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
;
228 /* A mask of extra modifier bits to put into every keyboard char. */
230 extern EMACS_INT extra_keyboard_modifiers
;
232 static void x_update_window_end
P_ ((struct window
*, int, int));
233 void w32_delete_display
P_ ((struct w32_display_info
*));
234 static void w32_handle_tool_bar_click
P_ ((struct frame
*,
235 struct input_event
*));
236 void w32_define_cursor
P_ ((Window
, Cursor
));
238 void x_lower_frame
P_ ((struct frame
*));
239 void x_scroll_bar_clear
P_ ((struct frame
*));
240 void x_wm_set_size_hint
P_ ((struct frame
*, long, int));
241 void x_raise_frame
P_ ((struct frame
*));
242 void x_set_window_size
P_ ((struct frame
*, int, int, int));
243 void x_wm_set_window_state
P_ ((struct frame
*, int));
244 void x_wm_set_icon_pixmap
P_ ((struct frame
*, int));
245 void w32_initialize
P_ ((void));
246 static void x_font_min_bounds
P_ ((XFontStruct
*, int *, int *));
247 int x_compute_min_glyph_bounds
P_ ((struct frame
*));
248 static void x_update_end
P_ ((struct frame
*));
249 static void w32_frame_up_to_date
P_ ((struct frame
*));
250 static void w32_set_terminal_modes
P_ ((void));
251 static void w32_reset_terminal_modes
P_ ((void));
252 static void x_clear_frame
P_ ((void));
253 static void frame_highlight
P_ ((struct frame
*));
254 static void frame_unhighlight
P_ ((struct frame
*));
255 static void x_new_focus_frame
P_ ((struct w32_display_info
*,
257 static void w32_frame_rehighlight
P_ ((struct frame
*));
258 static void x_frame_rehighlight
P_ ((struct w32_display_info
*));
259 static void x_draw_hollow_cursor
P_ ((struct window
*, struct glyph_row
*));
260 static void x_draw_bar_cursor
P_ ((struct window
*, struct glyph_row
*, int,
261 enum text_cursor_kinds
));
262 static void w32_clip_to_row
P_ ((struct window
*, struct glyph_row
*, HDC
));
264 static Lisp_Object Qvendor_specific_keysyms
;
267 /***********************************************************************
269 ***********************************************************************/
273 /* This is a function useful for recording debugging information about
274 the sequence of occurrences in this file. */
282 struct record event_record
[100];
284 int event_record_index
;
286 record_event (locus
, type
)
290 if (event_record_index
== sizeof (event_record
) / sizeof (struct record
))
291 event_record_index
= 0;
293 event_record
[event_record_index
].locus
= locus
;
294 event_record
[event_record_index
].type
= type
;
295 event_record_index
++;
302 XChangeGC (void * ignore
, XGCValues
* gc
, unsigned long mask
,
305 if (mask
& GCForeground
)
306 gc
->foreground
= xgcv
->foreground
;
307 if (mask
& GCBackground
)
308 gc
->background
= xgcv
->background
;
310 gc
->font
= xgcv
->font
;
313 XGCValues
*XCreateGC (void * ignore
, Window window
, unsigned long mask
,
316 XGCValues
*gc
= (XGCValues
*) xmalloc (sizeof (XGCValues
));
317 bzero (gc
, sizeof (XGCValues
));
319 XChangeGC (ignore
, gc
, mask
, xgcv
);
325 XGetGCValues (void* ignore
, XGCValues
*gc
,
326 unsigned long mask
, XGCValues
*xgcv
)
328 XChangeGC (ignore
, xgcv
, mask
, gc
);
332 w32_set_clip_rectangle (HDC hdc
, RECT
*rect
)
336 HRGN clip_region
= CreateRectRgnIndirect (rect
);
337 SelectClipRgn (hdc
, clip_region
);
338 DeleteObject (clip_region
);
341 SelectClipRgn (hdc
, NULL
);
345 /* Draw a hollow rectangle at the specified position. */
347 w32_draw_rectangle (HDC hdc
, XGCValues
*gc
, int x
, int y
,
348 int width
, int height
)
353 hb
= CreateSolidBrush (gc
->background
);
354 hp
= CreatePen (PS_SOLID
, 0, gc
->foreground
);
355 oldhb
= SelectObject (hdc
, hb
);
356 oldhp
= SelectObject (hdc
, hp
);
358 Rectangle (hdc
, x
, y
, x
+ width
, y
+ height
);
360 SelectObject (hdc
, oldhb
);
361 SelectObject (hdc
, oldhp
);
366 /* Draw a filled rectangle at the specified position. */
368 w32_fill_rect (f
, hdc
, pix
, lprect
)
376 hb
= CreateSolidBrush (pix
);
377 FillRect (hdc
, lprect
, hb
);
386 HDC hdc
= get_frame_dc (f
);
388 /* Under certain conditions, this can be called at startup with
389 a console frame pointer before the GUI frame is created. An HDC
390 of 0 indicates this. */
393 GetClientRect (FRAME_W32_WINDOW (f
), &rect
);
394 w32_clear_rect (f
, hdc
, &rect
);
397 release_frame_dc (f
, hdc
);
401 /***********************************************************************
402 Starting and ending an update
403 ***********************************************************************/
405 /* Start an update of frame F. This function is installed as a hook
406 for update_begin, i.e. it is called when update_begin is called.
407 This function is called prior to calls to x_update_window_begin for
408 each window being updated. */
414 struct w32_display_info
*display_info
= FRAME_W32_DISPLAY_INFO (f
);
416 if (! FRAME_W32_P (f
))
419 /* Regenerate display palette before drawing if list of requested
420 colors has changed. */
421 if (display_info
->regen_palette
)
423 w32_regenerate_palette (f
);
424 display_info
->regen_palette
= FALSE
;
429 /* Start update of window W. Set the global variable updated_window
430 to the window being updated and set output_cursor to the cursor
434 x_update_window_begin (w
)
437 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
438 struct w32_display_info
*display_info
= FRAME_W32_DISPLAY_INFO (f
);
440 /* Hide the system caret during an update. */
441 if (w32_use_visible_system_caret
&& w32_system_caret_hwnd
)
443 SendMessage (w32_system_caret_hwnd
, WM_EMACS_HIDE_CARET
, 0, 0);
447 set_output_cursor (&w
->cursor
);
451 if (f
== display_info
->mouse_face_mouse_frame
)
453 /* Don't do highlighting for mouse motion during the update. */
454 display_info
->mouse_face_defer
= 1;
456 /* If F needs to be redrawn, simply forget about any prior mouse
458 if (FRAME_GARBAGED_P (f
))
459 display_info
->mouse_face_window
= Qnil
;
461 #if 0 /* Rows in a current matrix containing glyphs in mouse-face have
462 their mouse_face_p flag set, which means that they are always
463 unequal to rows in a desired matrix which never have that
464 flag set. So, rows containing mouse-face glyphs are never
465 scrolled, and we don't have to switch the mouse highlight off
466 here to prevent it from being scrolled. */
468 /* Can we tell that this update does not affect the window
469 where the mouse highlight is? If so, no need to turn off.
470 Likewise, don't do anything if the frame is garbaged;
471 in that case, the frame's current matrix that we would use
472 is all wrong, and we will redisplay that line anyway. */
473 if (!NILP (display_info
->mouse_face_window
)
474 && w
== XWINDOW (display_info
->mouse_face_window
))
478 for (i
= 0; i
< w
->desired_matrix
->nrows
; ++i
)
479 if (MATRIX_ROW_ENABLED_P (w
->desired_matrix
, i
))
482 if (i
< w
->desired_matrix
->nrows
)
483 clear_mouse_face (display_info
);
491 /* Draw a vertical window border from (x,y0) to (x,y1) */
494 w32_draw_vertical_window_border (w
, x
, y0
, y1
)
498 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
507 hdc
= get_frame_dc (f
);
508 w32_fill_rect (f
, hdc
, FRAME_FOREGROUND_PIXEL (f
), &r
);
509 release_frame_dc (f
, hdc
);
513 /* End update of window W (which is equal to updated_window).
515 Draw vertical borders between horizontally adjacent windows, and
516 display W's cursor if CURSOR_ON_P is non-zero.
518 MOUSE_FACE_OVERWRITTEN_P non-zero means that some row containing
519 glyphs in mouse-face were overwritten. In that case we have to
520 make sure that the mouse-highlight is properly redrawn.
522 W may be a menu bar pseudo-window in case we don't have X toolkit
523 support. Such windows don't have a cursor, so don't display it
527 x_update_window_end (w
, cursor_on_p
, mouse_face_overwritten_p
)
529 int cursor_on_p
, mouse_face_overwritten_p
;
531 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (XFRAME (w
->frame
));
533 if (!w
->pseudo_window_p
)
538 display_and_set_cursor (w
, 1, output_cursor
.hpos
,
540 output_cursor
.x
, output_cursor
.y
);
542 x_draw_vertical_border (w
);
544 draw_window_fringes (w
);
549 /* If a row with mouse-face was overwritten, arrange for
550 XTframe_up_to_date to redisplay the mouse highlight. */
551 if (mouse_face_overwritten_p
)
553 dpyinfo
->mouse_face_beg_row
= dpyinfo
->mouse_face_beg_col
= -1;
554 dpyinfo
->mouse_face_end_row
= dpyinfo
->mouse_face_end_col
= -1;
555 dpyinfo
->mouse_face_window
= Qnil
;
558 /* Unhide the caret. This won't actually show the cursor, unless it
559 was visible before the corresponding call to HideCaret in
560 x_update_window_begin. */
561 if (w32_use_visible_system_caret
&& w32_system_caret_hwnd
)
563 SendMessage (w32_system_caret_hwnd
, WM_EMACS_SHOW_CARET
, 0, 0);
566 updated_window
= NULL
;
570 /* End update of frame F. This function is installed as a hook in
577 if (! FRAME_W32_P (f
))
580 /* Mouse highlight may be displayed again. */
581 FRAME_W32_DISPLAY_INFO (f
)->mouse_face_defer
= 0;
585 /* This function is called from various places in xdisp.c whenever a
586 complete update has been performed. The global variable
587 updated_window is not available here. */
590 w32_frame_up_to_date (f
)
595 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
597 if (dpyinfo
->mouse_face_deferred_gc
598 || f
== dpyinfo
->mouse_face_mouse_frame
)
601 if (dpyinfo
->mouse_face_mouse_frame
)
602 note_mouse_highlight (dpyinfo
->mouse_face_mouse_frame
,
603 dpyinfo
->mouse_face_mouse_x
,
604 dpyinfo
->mouse_face_mouse_y
);
605 dpyinfo
->mouse_face_deferred_gc
= 0;
612 /* Draw truncation mark bitmaps, continuation mark bitmaps, overlay
613 arrow bitmaps, or clear the fringes if no bitmaps are required
614 before DESIRED_ROW is made current. The window being updated is
615 found in updated_window. This function is called from
616 update_window_line only if it is known that there are differences
617 between bitmaps to be drawn between current row and DESIRED_ROW. */
620 x_after_update_window_line (desired_row
)
621 struct glyph_row
*desired_row
;
623 struct window
*w
= updated_window
;
629 if (!desired_row
->mode_line_p
&& !w
->pseudo_window_p
)
630 desired_row
->redraw_fringe_bitmaps_p
= 1;
632 /* When a window has disappeared, make sure that no rest of
633 full-width rows stays visible in the internal border. Could
634 check here if updated_window is the leftmost/rightmost window,
635 but I guess it's not worth doing since vertically split windows
636 are almost never used, internal border is rarely set, and the
637 overhead is very small. */
638 if (windows_or_buffers_changed
639 && desired_row
->full_width_p
640 && (f
= XFRAME (w
->frame
),
641 width
= FRAME_INTERNAL_BORDER_WIDTH (f
),
643 && (height
= desired_row
->visible_height
,
646 int y
= WINDOW_TO_FRAME_PIXEL_Y (w
, max (0, desired_row
->y
));
648 /* Internal border is drawn below the tool bar. */
649 if (WINDOWP (f
->tool_bar_window
)
650 && w
== XWINDOW (f
->tool_bar_window
))
655 HDC hdc
= get_frame_dc (f
);
656 w32_clear_area (f
, hdc
, 0, y
, width
, height
);
657 w32_clear_area (f
, hdc
, FRAME_PIXEL_WIDTH (f
) - width
,
659 release_frame_dc (f
, hdc
);
666 /* Draw the bitmap WHICH in one of the left or right fringes of
667 window W. ROW is the glyph row for which to display the bitmap; it
668 determines the vertical position at which the bitmap has to be
672 w32_draw_fringe_bitmap (w
, row
, p
)
674 struct glyph_row
*row
;
675 struct draw_fringe_bitmap_params
*p
;
677 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
679 struct face
*face
= p
->face
;
682 hdc
= get_frame_dc (f
);
684 /* Must clip because of partially visible lines. */
685 rowY
= WINDOW_TO_FRAME_PIXEL_Y (w
, row
->y
);
688 /* Adjust position of "bottom aligned" bitmap on partially
691 int oldVH
= row
->visible_height
;
692 row
->visible_height
= p
->h
;
693 row
->y
-= rowY
- p
->y
;
694 w32_clip_to_row (w
, row
, hdc
);
696 row
->visible_height
= oldVH
;
699 w32_clip_to_row (w
, row
, hdc
);
701 if (p
->bx
>= 0 && !p
->overlay_p
)
703 w32_fill_area (f
, hdc
, face
->background
,
704 p
->bx
, p
->by
, p
->nx
, p
->ny
);
709 HBITMAP pixmap
= fringe_bmp
[p
->which
];
713 compat_hdc
= CreateCompatibleDC (hdc
);
717 horig_obj
= SelectObject (compat_hdc
, pixmap
);
719 /* Paint overlays transparently. */
722 HBRUSH h_brush
, h_orig_brush
;
724 SetTextColor (hdc
, BLACK_PIX_DEFAULT (f
));
725 SetBkColor (hdc
, WHITE_PIX_DEFAULT (f
));
726 h_brush
= CreateSolidBrush (face
->foreground
);
727 h_orig_brush
= SelectObject (hdc
, h_brush
);
729 BitBlt (hdc
, p
->x
, p
->y
, p
->wd
, p
->h
,
730 compat_hdc
, 0, p
->dh
,
732 BitBlt (hdc
, p
->x
, p
->y
, p
->wd
, p
->h
,
733 compat_hdc
, 0, p
->dh
,
735 BitBlt (hdc
, p
->x
, p
->y
, p
->wd
, p
->h
,
736 compat_hdc
, 0, p
->dh
,
739 SelectObject (hdc
, h_orig_brush
);
740 DeleteObject (h_brush
);
744 SetTextColor (hdc
, face
->background
);
745 SetBkColor (hdc
, (p
->cursor_p
746 ? f
->output_data
.w32
->cursor_pixel
747 : face
->foreground
));
749 BitBlt (hdc
, p
->x
, p
->y
, p
->wd
, p
->h
,
750 compat_hdc
, 0, p
->dh
,
754 SelectObject (compat_hdc
, horig_obj
);
755 DeleteDC (compat_hdc
);
759 w32_set_clip_rectangle (hdc
, NULL
);
761 release_frame_dc (f
, hdc
);
765 w32_define_fringe_bitmap (which
, bits
, h
, wd
)
767 unsigned short *bits
;
770 fringe_bmp
[which
] = CreateBitmap (wd
, h
, 1, 1, bits
);
774 w32_destroy_fringe_bitmap (which
)
777 if (fringe_bmp
[which
])
778 DeleteObject (fringe_bmp
[which
]);
779 fringe_bmp
[which
] = 0;
784 /* This is called when starting Emacs and when restarting after
785 suspend. When starting Emacs, no window is mapped. And nothing
786 must be done to Emacs's own window if it is suspended (though that
790 w32_set_terminal_modes (void)
794 /* This is called when exiting or suspending Emacs. Exiting will make
795 the W32 windows go away, and suspending requires no action. */
798 w32_reset_terminal_modes (void)
804 /***********************************************************************
806 ***********************************************************************/
808 /* Function prototypes of this page. */
810 static XCharStruct
*w32_per_char_metric
P_ ((XFontStruct
*,
812 static int w32_encode_char
P_ ((int, wchar_t *, struct font_info
*, int *));
815 /* Get metrics of character CHAR2B in FONT. Value is always non-null.
816 If CHAR2B is not contained in FONT, the font's default character
817 metric is returned. */
820 w32_bdf_per_char_metric (font
, char2b
, dim
, pcm
)
826 glyph_metric
* bdf_metric
;
830 buf
[0] = (char)(*char2b
);
833 buf
[0] = XCHAR2B_BYTE1 (char2b
);
834 buf
[1] = XCHAR2B_BYTE2 (char2b
);
837 bdf_metric
= w32_BDF_TextMetric (font
->bdf
, buf
, dim
);
841 pcm
->width
= bdf_metric
->dwidth
;
842 pcm
->lbearing
= bdf_metric
->bbox
;
843 pcm
->rbearing
= bdf_metric
->dwidth
844 - (bdf_metric
->bbox
+ bdf_metric
->bbw
);
845 pcm
->ascent
= bdf_metric
->bboy
+ bdf_metric
->bbh
;
846 pcm
->descent
= -bdf_metric
->bboy
;
855 w32_native_per_char_metric (font
, char2b
, font_type
, pcm
)
858 enum w32_char_font_type font_type
;
861 HDC hdc
= GetDC (NULL
);
865 xassert (font
&& char2b
);
866 xassert (font
->hfont
);
867 xassert (font_type
== UNICODE_FONT
|| font_type
== ANSI_FONT
);
869 old_font
= SelectObject (hdc
, font
->hfont
);
871 if ((font
->tm
.tmPitchAndFamily
& TMPF_TRUETYPE
) != 0)
875 if (font_type
== UNICODE_FONT
)
876 retval
= GetCharABCWidthsW (hdc
, *char2b
, *char2b
, &char_widths
);
878 retval
= GetCharABCWidthsA (hdc
, *char2b
, *char2b
, &char_widths
);
883 /* Disabled until we can find a way to get the right results
884 on all versions of Windows. */
886 /* Don't trust the ABC widths. For synthesized fonts they are
887 wrong, and so is the result of GetCharWidth()! */
889 GetCharWidth (hdc
, *char2b
, *char2b
, &real_width
);
891 pcm
->width
= char_widths
.abcA
+ char_widths
.abcB
+ char_widths
.abcC
;
893 /* As far as I can tell, this is the best way to determine what
894 ExtTextOut will do with the broken font. */
895 if (pcm
->width
!= real_width
)
896 pcm
->width
= (pcm
->width
+ real_width
) / 2;
898 pcm
->lbearing
= char_widths
.abcA
;
899 pcm
->rbearing
= char_widths
.abcA
+ char_widths
.abcB
;
900 pcm
->ascent
= FONT_BASE (font
);
901 pcm
->descent
= FONT_DESCENT (font
);
907 /* Either font is not a True-type font, or GetCharABCWidthsW
908 failed (it is not supported on Windows 9x for instance), so we
909 can't determine the full info we would like. All is not lost
910 though - we can call GetTextExtentPoint32 to get rbearing and
911 deduce width based on the font's per-string overhang. lbearing
912 is assumed to be zero. */
914 /* TODO: Some Thai characters (and other composites if Windows
915 supports them) do have lbearing, and report their total width
916 as zero. Need some way of handling them when
917 GetCharABCWidthsW fails. */
920 if (font_type
== UNICODE_FONT
)
921 retval
= GetTextExtentPoint32W (hdc
, char2b
, 1, &sz
);
923 retval
= GetTextExtentPoint32A (hdc
, (char*)char2b
, 1, &sz
);
927 pcm
->width
= sz
.cx
- font
->tm
.tmOverhang
;
928 pcm
->rbearing
= sz
.cx
;
930 pcm
->ascent
= FONT_BASE (font
);
931 pcm
->descent
= FONT_DESCENT (font
);
936 if (pcm
->width
== 0 && (pcm
->rbearing
- pcm
->lbearing
) == 0)
941 SelectObject (hdc
, old_font
);
942 ReleaseDC (NULL
, hdc
);
949 w32_per_char_metric (font
, char2b
, font_type
)
952 int /* enum w32_char_font_type */ font_type
;
954 /* The result metric information. */
958 xassert (font
&& char2b
);
960 /* TODO: This function is currently called through the RIF, and in
961 some cases font_type is UNKNOWN_FONT. We currently allow the
962 cached metrics to be used, which seems to work, but in cases
963 where font_type is UNKNOWN_FONT, we probably haven't encoded
964 char2b appropriately. All callers need checking to see what they
965 are passing. This is most likely to affect variable width fonts
966 outside the Latin-1 range, particularly in languages like Thai
967 that rely on rbearing and lbearing to provide composition. I
968 don't think that is working currently anyway, but we don't seem
969 to have anyone testing such languages on Windows. */
971 /* Handle the common cases quickly. */
972 if (!font
->bdf
&& font
->per_char
== NULL
)
973 /* TODO: determine whether char2b exists in font? */
974 return &font
->max_bounds
;
975 else if (!font
->bdf
&& *char2b
< 128)
976 return &font
->per_char
[*char2b
];
978 xassert (font_type
!= UNKNOWN_FONT
);
980 pcm
= &font
->scratch
;
982 if (font_type
== BDF_1D_FONT
)
983 retval
= w32_bdf_per_char_metric (font
, char2b
, 1, pcm
);
984 else if (font_type
== BDF_2D_FONT
)
985 retval
= w32_bdf_per_char_metric (font
, char2b
, 2, pcm
);
987 retval
= w32_native_per_char_metric (font
, char2b
, font_type
, pcm
);
996 w32_cache_char_metrics (font
)
999 wchar_t char2b
= L
'x';
1001 /* Cache char metrics for the common cases. */
1004 /* TODO: determine whether font is fixed-pitch. */
1005 if (!w32_bdf_per_char_metric (font
, &char2b
, 1, &font
->max_bounds
))
1007 /* Use the font width and height as max bounds, as not all BDF
1008 fonts contain the letter 'x'. */
1009 font
->max_bounds
.width
= FONT_MAX_WIDTH (font
);
1010 font
->max_bounds
.lbearing
= -font
->bdf
->llx
;
1011 font
->max_bounds
.rbearing
= FONT_MAX_WIDTH (font
) - font
->bdf
->urx
;
1012 font
->max_bounds
.ascent
= FONT_BASE (font
);
1013 font
->max_bounds
.descent
= FONT_DESCENT (font
);
1018 if (((font
->tm
.tmPitchAndFamily
& TMPF_FIXED_PITCH
) != 0)
1019 /* Some fonts (eg DBCS fonts) are marked as fixed width even
1020 though they contain characters of different widths. */
1021 || (font
->tm
.tmMaxCharWidth
!= font
->tm
.tmAveCharWidth
))
1023 /* Font is not fixed pitch, so cache per_char info for the
1024 ASCII characters. It would be much more work, and probably
1025 not worth it, to cache other chars, since we may change
1026 between using Unicode and ANSI text drawing functions at
1030 font
->per_char
= xmalloc (128 * sizeof(XCharStruct
));
1031 for (i
= 0; i
< 128; i
++)
1034 w32_native_per_char_metric (font
, &char2b
, ANSI_FONT
,
1035 &font
->per_char
[i
]);
1039 w32_native_per_char_metric (font
, &char2b
, ANSI_FONT
,
1045 /* Determine if a font is double byte. */
1046 int w32_font_is_double_byte (XFontStruct
*font
)
1048 return font
->double_byte_p
;
1053 w32_use_unicode_for_codepage (codepage
)
1056 /* If the current codepage is supported, use Unicode for output. */
1057 return (w32_enable_unicode_output
1058 && codepage
!= CP_8BIT
1059 && (codepage
== CP_UNICODE
|| IsValidCodePage (codepage
)));
1062 /* Encode CHAR2B using encoding information from FONT_INFO. CHAR2B is
1063 the two-byte form of C. Encoding is returned in *CHAR2B. */
1065 static int /* enum w32_char_font_type */
1066 w32_encode_char (c
, char2b
, font_info
, two_byte_p
)
1069 struct font_info
*font_info
;
1072 int charset
= CHAR_CHARSET (c
);
1075 int internal_two_byte_p
= 0;
1077 XFontStruct
*font
= font_info
->font
;
1079 internal_two_byte_p
= w32_font_is_double_byte (font
);
1081 /* FONT_INFO may define a scheme by which to encode byte1 and byte2.
1082 This may be either a program in a special encoder language or a
1084 if (font_info
->font_encoder
)
1086 /* It's a program. */
1087 struct ccl_program
*ccl
= font_info
->font_encoder
;
1089 if (CHARSET_DIMENSION (charset
) == 1)
1091 ccl
->reg
[0] = charset
;
1092 ccl
->reg
[1] = XCHAR2B_BYTE2 (char2b
);
1097 ccl
->reg
[0] = charset
;
1098 ccl
->reg
[1] = XCHAR2B_BYTE1 (char2b
);
1099 ccl
->reg
[2] = XCHAR2B_BYTE2 (char2b
);
1102 ccl_driver (ccl
, NULL
, NULL
, 0, 0, NULL
);
1104 /* We assume that MSBs are appropriately set/reset by CCL
1106 if (!internal_two_byte_p
) /* 1-byte font */
1107 STORE_XCHAR2B (char2b
, 0, ccl
->reg
[1]);
1109 STORE_XCHAR2B (char2b
, ccl
->reg
[1], ccl
->reg
[2]);
1111 else if (font_info
->encoding
[charset
])
1113 /* Fixed encoding scheme. See fontset.h for the meaning of the
1114 encoding numbers. */
1115 int enc
= font_info
->encoding
[charset
];
1117 if ((enc
== 1 || enc
== 2)
1118 && CHARSET_DIMENSION (charset
) == 2)
1119 STORE_XCHAR2B (char2b
, XCHAR2B_BYTE1 (char2b
) | 0x80, XCHAR2B_BYTE2 (char2b
));
1121 if (enc
== 1 || enc
== 3
1122 || (enc
== 4 && CHARSET_DIMENSION (charset
) == 1))
1123 STORE_XCHAR2B (char2b
, XCHAR2B_BYTE1 (char2b
), XCHAR2B_BYTE2 (char2b
) | 0x80);
1128 ENCODE_SJIS (XCHAR2B_BYTE1 (char2b
), XCHAR2B_BYTE2 (char2b
),
1130 STORE_XCHAR2B (char2b
, sjis1
, sjis2
);
1133 codepage
= font_info
->codepage
;
1135 /* If charset is not ASCII or Latin-1, may need to move it into
1137 if ( font
&& !font
->bdf
&& w32_use_unicode_for_codepage (codepage
)
1138 && charset
!= CHARSET_ASCII
&& charset
!= charset_latin_iso8859_1
1139 && charset
!= CHARSET_8_BIT_CONTROL
&& charset
!= CHARSET_8_BIT_GRAPHIC
)
1142 temp
[0] = XCHAR2B_BYTE1 (char2b
);
1143 temp
[1] = XCHAR2B_BYTE2 (char2b
);
1145 if (codepage
!= CP_UNICODE
)
1148 MultiByteToWideChar (codepage
, 0, temp
, 2, char2b
, 1);
1150 MultiByteToWideChar (codepage
, 0, temp
+1, 1, char2b
, 1);
1153 internal_two_byte_p
= 1;
1157 *two_byte_p
= internal_two_byte_p
;
1160 return UNKNOWN_FONT
;
1161 else if (font
->bdf
&& CHARSET_DIMENSION (charset
) == 1)
1166 return UNICODE_FONT
;
1173 /***********************************************************************
1175 ***********************************************************************/
1178 /* Encapsulate the different ways of displaying text under W32. */
1181 w32_text_out (s
, x
, y
,chars
,nchars
)
1182 struct glyph_string
* s
;
1187 int charset_dim
= w32_font_is_double_byte (s
->font
) ? 2 : 1;
1189 w32_BDF_TextOut (s
->font
->bdf
, s
->hdc
,
1190 x
, y
, (char *) chars
, charset_dim
,
1191 nchars
* charset_dim
, 0);
1192 else if (s
->first_glyph
->font_type
== UNICODE_FONT
)
1193 ExtTextOutW (s
->hdc
, x
, y
, 0, NULL
, chars
, nchars
, NULL
);
1195 ExtTextOutA (s
->hdc
, x
, y
, 0, NULL
, (char *) chars
,
1196 nchars
* charset_dim
, NULL
);
1201 static void x_set_glyph_string_clipping
P_ ((struct glyph_string
*));
1202 static void x_set_glyph_string_gc
P_ ((struct glyph_string
*));
1203 static void x_draw_glyph_string_background
P_ ((struct glyph_string
*,
1205 static void x_draw_glyph_string_foreground
P_ ((struct glyph_string
*));
1206 static void x_draw_composite_glyph_string_foreground
P_ ((struct glyph_string
*));
1207 static void x_draw_glyph_string_box
P_ ((struct glyph_string
*));
1208 static void x_draw_glyph_string
P_ ((struct glyph_string
*));
1209 static void x_set_cursor_gc
P_ ((struct glyph_string
*));
1210 static void x_set_mode_line_face_gc
P_ ((struct glyph_string
*));
1211 static void x_set_mouse_face_gc
P_ ((struct glyph_string
*));
1212 static int w32_alloc_lighter_color (struct frame
*, COLORREF
*, double, int);
1213 static void w32_setup_relief_color
P_ ((struct frame
*, struct relief
*,
1214 double, int, COLORREF
));
1215 static void x_setup_relief_colors
P_ ((struct glyph_string
*));
1216 static void x_draw_image_glyph_string
P_ ((struct glyph_string
*));
1217 static void x_draw_image_relief
P_ ((struct glyph_string
*));
1218 static void x_draw_image_foreground
P_ ((struct glyph_string
*));
1219 static void w32_draw_image_foreground_1
P_ ((struct glyph_string
*, HBITMAP
));
1220 static void x_clear_glyph_string_rect
P_ ((struct glyph_string
*, int,
1222 static void w32_draw_relief_rect
P_ ((struct frame
*, int, int, int, int,
1223 int, int, int, int, RECT
*));
1224 static void w32_draw_box_rect
P_ ((struct glyph_string
*, int, int, int, int,
1225 int, int, int, RECT
*));
1228 static void x_check_font
P_ ((struct frame
*, XFontStruct
*));
1232 /* Set S->gc to a suitable GC for drawing glyph string S in cursor
1237 struct glyph_string
*s
;
1239 if (s
->font
== FRAME_FONT (s
->f
)
1240 && s
->face
->background
== FRAME_BACKGROUND_PIXEL (s
->f
)
1241 && s
->face
->foreground
== FRAME_FOREGROUND_PIXEL (s
->f
)
1243 s
->gc
= s
->f
->output_data
.w32
->cursor_gc
;
1246 /* Cursor on non-default face: must merge. */
1250 xgcv
.background
= s
->f
->output_data
.w32
->cursor_pixel
;
1251 xgcv
.foreground
= s
->face
->background
;
1253 /* If the glyph would be invisible, try a different foreground. */
1254 if (xgcv
.foreground
== xgcv
.background
)
1255 xgcv
.foreground
= s
->face
->foreground
;
1256 if (xgcv
.foreground
== xgcv
.background
)
1257 xgcv
.foreground
= s
->f
->output_data
.w32
->cursor_foreground_pixel
;
1258 if (xgcv
.foreground
== xgcv
.background
)
1259 xgcv
.foreground
= s
->face
->foreground
;
1261 /* Make sure the cursor is distinct from text in this face. */
1262 if (xgcv
.background
== s
->face
->background
1263 && xgcv
.foreground
== s
->face
->foreground
)
1265 xgcv
.background
= s
->face
->foreground
;
1266 xgcv
.foreground
= s
->face
->background
;
1269 IF_DEBUG (x_check_font (s
->f
, s
->font
));
1270 xgcv
.font
= s
->font
;
1271 mask
= GCForeground
| GCBackground
| GCFont
;
1273 if (FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
)
1274 XChangeGC (NULL
, FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
,
1277 FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
1278 = XCreateGC (NULL
, s
->window
, mask
, &xgcv
);
1280 s
->gc
= FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
;
1285 /* Set up S->gc of glyph string S for drawing text in mouse face. */
1288 x_set_mouse_face_gc (s
)
1289 struct glyph_string
*s
;
1294 /* What face has to be used last for the mouse face? */
1295 face_id
= FRAME_W32_DISPLAY_INFO (s
->f
)->mouse_face_face_id
;
1296 face
= FACE_FROM_ID (s
->f
, face_id
);
1298 face
= FACE_FROM_ID (s
->f
, MOUSE_FACE_ID
);
1300 if (s
->first_glyph
->type
== CHAR_GLYPH
)
1301 face_id
= FACE_FOR_CHAR (s
->f
, face
, s
->first_glyph
->u
.ch
);
1303 face_id
= FACE_FOR_CHAR (s
->f
, face
, 0);
1304 s
->face
= FACE_FROM_ID (s
->f
, face_id
);
1305 PREPARE_FACE_FOR_DISPLAY (s
->f
, s
->face
);
1307 /* If font in this face is same as S->font, use it. */
1308 if (s
->font
== s
->face
->font
)
1309 s
->gc
= s
->face
->gc
;
1312 /* Otherwise construct scratch_cursor_gc with values from FACE
1317 xgcv
.background
= s
->face
->background
;
1318 xgcv
.foreground
= s
->face
->foreground
;
1319 IF_DEBUG (x_check_font (s
->f
, s
->font
));
1320 xgcv
.font
= s
->font
;
1321 mask
= GCForeground
| GCBackground
| GCFont
;
1323 if (FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
)
1324 XChangeGC (NULL
, FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
,
1327 FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
1328 = XCreateGC (NULL
, s
->window
, mask
, &xgcv
);
1330 s
->gc
= FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
;
1333 xassert (s
->gc
!= 0);
1337 /* Set S->gc of glyph string S to a GC suitable for drawing a mode line.
1338 Faces to use in the mode line have already been computed when the
1339 matrix was built, so there isn't much to do, here. */
1342 x_set_mode_line_face_gc (s
)
1343 struct glyph_string
*s
;
1345 s
->gc
= s
->face
->gc
;
1349 /* Set S->gc of glyph string S for drawing that glyph string. Set
1350 S->stippled_p to a non-zero value if the face of S has a stipple
1354 x_set_glyph_string_gc (s
)
1355 struct glyph_string
*s
;
1357 PREPARE_FACE_FOR_DISPLAY (s
->f
, s
->face
);
1359 if (s
->hl
== DRAW_NORMAL_TEXT
)
1361 s
->gc
= s
->face
->gc
;
1362 s
->stippled_p
= s
->face
->stipple
!= 0;
1364 else if (s
->hl
== DRAW_INVERSE_VIDEO
)
1366 x_set_mode_line_face_gc (s
);
1367 s
->stippled_p
= s
->face
->stipple
!= 0;
1369 else if (s
->hl
== DRAW_CURSOR
)
1371 x_set_cursor_gc (s
);
1374 else if (s
->hl
== DRAW_MOUSE_FACE
)
1376 x_set_mouse_face_gc (s
);
1377 s
->stippled_p
= s
->face
->stipple
!= 0;
1379 else if (s
->hl
== DRAW_IMAGE_RAISED
1380 || s
->hl
== DRAW_IMAGE_SUNKEN
)
1382 s
->gc
= s
->face
->gc
;
1383 s
->stippled_p
= s
->face
->stipple
!= 0;
1387 s
->gc
= s
->face
->gc
;
1388 s
->stippled_p
= s
->face
->stipple
!= 0;
1391 /* GC must have been set. */
1392 xassert (s
->gc
!= 0);
1396 /* Set clipping for output of glyph string S. S may be part of a mode
1397 line or menu if we don't have X toolkit support. */
1400 x_set_glyph_string_clipping (s
)
1401 struct glyph_string
*s
;
1404 get_glyph_string_clip_rect (s
, &r
);
1405 w32_set_clip_rectangle (s
->hdc
, &r
);
1410 Compute left and right overhang of glyph string S. If S is a glyph
1411 string for a composition, assume overhangs don't exist. */
1414 w32_compute_glyph_string_overhangs (s
)
1415 struct glyph_string
*s
;
1417 /* TODO: Windows does not appear to have a method for
1418 getting this info without getting the ABC widths for each
1419 individual character and working it out manually. */
1424 w32_get_glyph_overhangs (glyph
, f
, left
, right
)
1425 struct glyph
*glyph
;
1429 HDC hdc
= get_frame_dc (f
);
1430 /* Convert to unicode! */
1431 x_get_glyph_overhangs (glyph
, f
, left
, right
);
1432 release_frame_dc (f
, hdc
);
1436 /* Fill rectangle X, Y, W, H with background color of glyph string S. */
1439 x_clear_glyph_string_rect (s
, x
, y
, w
, h
)
1440 struct glyph_string
*s
;
1448 /* Take clipping into account. */
1449 if (s
->gc
->clip_mask
== Rect
)
1451 real_x
= max (real_x
, s
->gc
->clip_rectangle
.left
);
1452 real_y
= max (real_y
, s
->gc
->clip_rectangle
.top
);
1453 real_w
= min (real_w
, s
->gc
->clip_rectangle
.right
1454 - s
->gc
->clip_rectangle
.left
);
1455 real_h
= min (real_h
, s
->gc
->clip_rectangle
.bottom
1456 - s
->gc
->clip_rectangle
.top
);
1459 w32_fill_area (s
->f
, s
->hdc
, s
->gc
->background
, real_x
, real_y
,
1464 /* Draw the background of glyph_string S. If S->background_filled_p
1465 is non-zero don't draw it. FORCE_P non-zero means draw the
1466 background even if it wouldn't be drawn normally. This is used
1467 when a string preceding S draws into the background of S, or S
1468 contains the first component of a composition. */
1471 x_draw_glyph_string_background (s
, force_p
)
1472 struct glyph_string
*s
;
1475 /* Nothing to do if background has already been drawn or if it
1476 shouldn't be drawn in the first place. */
1477 if (!s
->background_filled_p
)
1479 int box_line_width
= max (s
->face
->box_line_width
, 0);
1481 #if 0 /* TODO: stipple */
1484 /* Fill background with a stipple pattern. */
1485 XSetFillStyle (s
->display
, s
->gc
, FillOpaqueStippled
);
1486 XFillRectangle (s
->display
, s
->window
, s
->gc
, s
->x
,
1487 s
->y
+ box_line_width
,
1488 s
->background_width
,
1489 s
->height
- 2 * box_line_width
);
1490 XSetFillStyle (s
->display
, s
->gc
, FillSolid
);
1491 s
->background_filled_p
= 1;
1495 if (FONT_HEIGHT (s
->font
) < s
->height
- 2 * box_line_width
1496 || s
->font_not_found_p
1497 || s
->extends_to_end_of_line_p
1501 x_clear_glyph_string_rect (s
, s
->x
, s
->y
+ box_line_width
,
1502 s
->background_width
,
1503 s
->height
- 2 * box_line_width
);
1504 s
->background_filled_p
= 1;
1510 /* Draw the foreground of glyph string S. */
1513 x_draw_glyph_string_foreground (s
)
1514 struct glyph_string
*s
;
1519 /* If first glyph of S has a left box line, start drawing the text
1520 of S to the right of that box line. */
1521 if (s
->face
->box
!= FACE_NO_BOX
1522 && s
->first_glyph
->left_box_line_p
)
1523 x
= s
->x
+ abs (s
->face
->box_line_width
);
1527 if (s
->for_overlaps_p
|| (s
->background_filled_p
&& s
->hl
!= DRAW_CURSOR
))
1528 SetBkMode (s
->hdc
, TRANSPARENT
);
1530 SetBkMode (s
->hdc
, OPAQUE
);
1532 SetTextColor (s
->hdc
, s
->gc
->foreground
);
1533 SetBkColor (s
->hdc
, s
->gc
->background
);
1534 SetTextAlign (s
->hdc
, TA_BASELINE
| TA_LEFT
);
1536 if (s
->font
&& s
->font
->hfont
)
1537 old_font
= SelectObject (s
->hdc
, s
->font
->hfont
);
1539 /* Draw characters of S as rectangles if S's font could not be
1541 if (s
->font_not_found_p
)
1543 for (i
= 0; i
< s
->nchars
; ++i
)
1545 struct glyph
*g
= s
->first_glyph
+ i
;
1547 w32_draw_rectangle (s
->hdc
, s
->gc
, x
, s
->y
, g
->pixel_width
- 1,
1549 x
+= g
->pixel_width
;
1554 char *char1b
= (char *) s
->char2b
;
1555 int boff
= s
->font_info
->baseline_offset
;
1557 if (s
->font_info
->vertical_centering
)
1558 boff
= VCENTER_BASELINE_OFFSET (s
->font
, s
->f
) - boff
;
1560 /* If we can use 8-bit functions, condense S->char2b. */
1562 for (i
= 0; i
< s
->nchars
; ++i
)
1563 char1b
[i
] = XCHAR2B_BYTE2 (&s
->char2b
[i
]);
1565 /* Draw text with TextOut and friends. */
1566 w32_text_out (s
, x
, s
->ybase
- boff
, s
->char2b
, s
->nchars
);
1568 if (s
->face
->overstrike
)
1570 /* For overstriking (to simulate bold-face), draw the
1571 characters again shifted to the right by one pixel. */
1572 w32_text_out (s
, x
+ 1, s
->ybase
- boff
, s
->char2b
, s
->nchars
);
1575 if (s
->font
&& s
->font
->hfont
)
1576 SelectObject (s
->hdc
, old_font
);
1579 /* Draw the foreground of composite glyph string S. */
1582 x_draw_composite_glyph_string_foreground (s
)
1583 struct glyph_string
*s
;
1588 /* If first glyph of S has a left box line, start drawing the text
1589 of S to the right of that box line. */
1590 if (s
->face
->box
!= FACE_NO_BOX
1591 && s
->first_glyph
->left_box_line_p
)
1592 x
= s
->x
+ abs (s
->face
->box_line_width
);
1596 /* S is a glyph string for a composition. S->gidx is the index of
1597 the first character drawn for glyphs of this composition.
1598 S->gidx == 0 means we are drawing the very first character of
1599 this composition. */
1601 SetTextColor (s
->hdc
, s
->gc
->foreground
);
1602 SetBkColor (s
->hdc
, s
->gc
->background
);
1603 SetBkMode (s
->hdc
, TRANSPARENT
);
1604 SetTextAlign (s
->hdc
, TA_BASELINE
| TA_LEFT
);
1606 if (s
->font
&& s
->font
->hfont
)
1607 old_font
= SelectObject (s
->hdc
, s
->font
->hfont
);
1609 /* Draw a rectangle for the composition if the font for the very
1610 first character of the composition could not be loaded. */
1611 if (s
->font_not_found_p
)
1614 w32_draw_rectangle (s
->hdc
, s
->gc
, x
, s
->y
, s
->width
- 1,
1619 for (i
= 0; i
< s
->nchars
; i
++, ++s
->gidx
)
1621 w32_text_out (s
, x
+ s
->cmp
->offsets
[s
->gidx
* 2],
1622 s
->ybase
- s
->cmp
->offsets
[s
->gidx
* 2 + 1],
1624 if (s
->face
->overstrike
)
1625 w32_text_out (s
, x
+ s
->cmp
->offsets
[s
->gidx
* 2] + 1,
1626 s
->ybase
- s
->cmp
->offsets
[s
->gidx
* 2 + 1],
1631 if (s
->font
&& s
->font
->hfont
)
1632 SelectObject (s
->hdc
, old_font
);
1636 /* Brightness beyond which a color won't have its highlight brightness
1639 Nominally, highlight colors for `3d' faces are calculated by
1640 brightening an object's color by a constant scale factor, but this
1641 doesn't yield good results for dark colors, so for colors who's
1642 brightness is less than this value (on a scale of 0-255) have to
1643 use an additional additive factor.
1645 The value here is set so that the default menu-bar/mode-line color
1646 (grey75) will not have its highlights changed at all. */
1647 #define HIGHLIGHT_COLOR_DARK_BOOST_LIMIT 187
1650 /* Allocate a color which is lighter or darker than *COLOR by FACTOR
1651 or DELTA. Try a color with RGB values multiplied by FACTOR first.
1652 If this produces the same color as COLOR, try a color where all RGB
1653 values have DELTA added. Return the allocated color in *COLOR.
1654 DISPLAY is the X display, CMAP is the colormap to operate on.
1655 Value is non-zero if successful. */
1658 w32_alloc_lighter_color (f
, color
, factor
, delta
)
1667 /* On Windows, RGB values are 0-255, not 0-65535, so scale delta. */
1670 /* Change RGB values by specified FACTOR. Avoid overflow! */
1671 xassert (factor
>= 0);
1672 new = PALETTERGB (min (0xff, factor
* GetRValue (*color
)),
1673 min (0xff, factor
* GetGValue (*color
)),
1674 min (0xff, factor
* GetBValue (*color
)));
1676 /* Calculate brightness of COLOR. */
1677 bright
= (2 * GetRValue (*color
) + 3 * GetGValue (*color
)
1678 + GetBValue (*color
)) / 6;
1680 /* We only boost colors that are darker than
1681 HIGHLIGHT_COLOR_DARK_BOOST_LIMIT. */
1682 if (bright
< HIGHLIGHT_COLOR_DARK_BOOST_LIMIT
)
1683 /* Make an additive adjustment to NEW, because it's dark enough so
1684 that scaling by FACTOR alone isn't enough. */
1686 /* How far below the limit this color is (0 - 1, 1 being darker). */
1687 double dimness
= 1 - (double)bright
/ HIGHLIGHT_COLOR_DARK_BOOST_LIMIT
;
1688 /* The additive adjustment. */
1689 int min_delta
= delta
* dimness
* factor
/ 2;
1692 new = PALETTERGB (max (0, min (0xff, min_delta
- GetRValue (*color
))),
1693 max (0, min (0xff, min_delta
- GetGValue (*color
))),
1694 max (0, min (0xff, min_delta
- GetBValue (*color
))));
1696 new = PALETTERGB (max (0, min (0xff, min_delta
+ GetRValue (*color
))),
1697 max (0, min (0xff, min_delta
+ GetGValue (*color
))),
1698 max (0, min (0xff, min_delta
+ GetBValue (*color
))));
1702 new = PALETTERGB (max (0, min (0xff, delta
+ GetRValue (*color
))),
1703 max (0, min (0xff, delta
+ GetGValue (*color
))),
1704 max (0, min (0xff, delta
+ GetBValue (*color
))));
1706 /* TODO: Map to palette and retry with delta if same? */
1707 /* TODO: Free colors (if using palette)? */
1718 /* Set up the foreground color for drawing relief lines of glyph
1719 string S. RELIEF is a pointer to a struct relief containing the GC
1720 with which lines will be drawn. Use a color that is FACTOR or
1721 DELTA lighter or darker than the relief's background which is found
1722 in S->f->output_data.x->relief_background. If such a color cannot
1723 be allocated, use DEFAULT_PIXEL, instead. */
1726 w32_setup_relief_color (f
, relief
, factor
, delta
, default_pixel
)
1728 struct relief
*relief
;
1731 COLORREF default_pixel
;
1734 struct w32_output
*di
= f
->output_data
.w32
;
1735 unsigned long mask
= GCForeground
;
1737 COLORREF background
= di
->relief_background
;
1738 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
1740 /* TODO: Free colors (if using palette)? */
1742 /* Allocate new color. */
1743 xgcv
.foreground
= default_pixel
;
1745 if (w32_alloc_lighter_color (f
, &pixel
, factor
, delta
))
1747 relief
->allocated_p
= 1;
1748 xgcv
.foreground
= relief
->pixel
= pixel
;
1751 if (relief
->gc
== 0)
1753 #if 0 /* TODO: stipple */
1754 xgcv
.stipple
= dpyinfo
->gray
;
1757 relief
->gc
= XCreateGC (NULL
, FRAME_W32_WINDOW (f
), mask
, &xgcv
);
1760 XChangeGC (NULL
, relief
->gc
, mask
, &xgcv
);
1764 /* Set up colors for the relief lines around glyph string S. */
1767 x_setup_relief_colors (s
)
1768 struct glyph_string
*s
;
1770 struct w32_output
*di
= s
->f
->output_data
.w32
;
1773 if (s
->face
->use_box_color_for_shadows_p
)
1774 color
= s
->face
->box_color
;
1775 else if (s
->first_glyph
->type
== IMAGE_GLYPH
1777 && !IMAGE_BACKGROUND_TRANSPARENT (s
->img
, s
->f
, 0))
1778 color
= IMAGE_BACKGROUND (s
->img
, s
->f
, 0);
1780 color
= s
->gc
->background
;
1782 if (di
->white_relief
.gc
== 0
1783 || color
!= di
->relief_background
)
1785 di
->relief_background
= color
;
1786 w32_setup_relief_color (s
->f
, &di
->white_relief
, 1.2, 0x8000,
1787 WHITE_PIX_DEFAULT (s
->f
));
1788 w32_setup_relief_color (s
->f
, &di
->black_relief
, 0.6, 0x4000,
1789 BLACK_PIX_DEFAULT (s
->f
));
1794 /* Draw a relief on frame F inside the rectangle given by LEFT_X,
1795 TOP_Y, RIGHT_X, and BOTTOM_Y. WIDTH is the thickness of the relief
1796 to draw, it must be >= 0. RAISED_P non-zero means draw a raised
1797 relief. LEFT_P non-zero means draw a relief on the left side of
1798 the rectangle. RIGHT_P non-zero means draw a relief on the right
1799 side of the rectangle. CLIP_RECT is the clipping rectangle to use
1803 w32_draw_relief_rect (f
, left_x
, top_y
, right_x
, bottom_y
, width
,
1804 raised_p
, left_p
, right_p
, clip_rect
)
1806 int left_x
, top_y
, right_x
, bottom_y
, width
, left_p
, right_p
, raised_p
;
1811 HDC hdc
= get_frame_dc (f
);
1814 gc
.foreground
= f
->output_data
.w32
->white_relief
.gc
->foreground
;
1816 gc
.foreground
= f
->output_data
.w32
->black_relief
.gc
->foreground
;
1818 w32_set_clip_rectangle (hdc
, clip_rect
);
1821 for (i
= 0; i
< width
; ++i
)
1822 w32_fill_area (f
, hdc
, gc
.foreground
,
1823 left_x
+ i
* left_p
, top_y
+ i
,
1824 right_x
- left_x
- i
* (left_p
+ right_p
) + 1, 1);
1828 for (i
= 0; i
< width
; ++i
)
1829 w32_fill_area (f
, hdc
, gc
.foreground
,
1830 left_x
+ i
, top_y
+ i
, 1,
1831 bottom_y
- top_y
- 2 * i
+ 1);
1834 gc
.foreground
= f
->output_data
.w32
->black_relief
.gc
->foreground
;
1836 gc
.foreground
= f
->output_data
.w32
->white_relief
.gc
->foreground
;
1839 for (i
= 0; i
< width
; ++i
)
1840 w32_fill_area (f
, hdc
, gc
.foreground
,
1841 left_x
+ i
* left_p
, bottom_y
- i
,
1842 right_x
- left_x
- i
* (left_p
+ right_p
) + 1, 1);
1846 for (i
= 0; i
< width
; ++i
)
1847 w32_fill_area (f
, hdc
, gc
.foreground
,
1848 right_x
- i
, top_y
+ i
+ 1, 1,
1849 bottom_y
- top_y
- 2 * i
- 1);
1851 w32_set_clip_rectangle (hdc
, NULL
);
1853 release_frame_dc (f
, hdc
);
1857 /* Draw a box on frame F inside the rectangle given by LEFT_X, TOP_Y,
1858 RIGHT_X, and BOTTOM_Y. WIDTH is the thickness of the lines to
1859 draw, it must be >= 0. LEFT_P non-zero means draw a line on the
1860 left side of the rectangle. RIGHT_P non-zero means draw a line
1861 on the right side of the rectangle. CLIP_RECT is the clipping
1862 rectangle to use when drawing. */
1865 w32_draw_box_rect (s
, left_x
, top_y
, right_x
, bottom_y
, width
,
1866 left_p
, right_p
, clip_rect
)
1867 struct glyph_string
*s
;
1868 int left_x
, top_y
, right_x
, bottom_y
, width
, left_p
, right_p
;
1871 w32_set_clip_rectangle (s
->hdc
, clip_rect
);
1874 w32_fill_area (s
->f
, s
->hdc
, s
->face
->box_color
,
1875 left_x
, top_y
, right_x
- left_x
+ 1, width
);
1880 w32_fill_area (s
->f
, s
->hdc
, s
->face
->box_color
,
1881 left_x
, top_y
, width
, bottom_y
- top_y
+ 1);
1885 w32_fill_area (s
->f
, s
->hdc
, s
->face
->box_color
,
1886 left_x
, bottom_y
- width
+ 1, right_x
- left_x
+ 1, width
);
1891 w32_fill_area (s
->f
, s
->hdc
, s
->face
->box_color
,
1892 right_x
- width
+ 1, top_y
, width
, bottom_y
- top_y
+ 1);
1895 w32_set_clip_rectangle (s
->hdc
, NULL
);
1899 /* Draw a box around glyph string S. */
1902 x_draw_glyph_string_box (s
)
1903 struct glyph_string
*s
;
1905 int width
, left_x
, right_x
, top_y
, bottom_y
, last_x
, raised_p
;
1906 int left_p
, right_p
;
1907 struct glyph
*last_glyph
;
1910 last_x
= window_box_right (s
->w
, s
->area
);
1911 if (s
->row
->full_width_p
1912 && !s
->w
->pseudo_window_p
)
1914 last_x
+= WINDOW_RIGHT_SCROLL_BAR_AREA_WIDTH (s
->w
);
1915 if (s
->area
!= RIGHT_MARGIN_AREA
1916 || WINDOW_HAS_FRINGES_OUTSIDE_MARGINS (s
->w
))
1917 last_x
+= WINDOW_RIGHT_FRINGE_WIDTH (s
->w
);
1920 /* The glyph that may have a right box line. */
1921 last_glyph
= (s
->cmp
|| s
->img
1923 : s
->first_glyph
+ s
->nchars
- 1);
1925 width
= abs (s
->face
->box_line_width
);
1926 raised_p
= s
->face
->box
== FACE_RAISED_BOX
;
1928 right_x
= ((s
->row
->full_width_p
&& s
->extends_to_end_of_line_p
1930 : min (last_x
, s
->x
+ s
->background_width
) - 1));
1932 bottom_y
= top_y
+ s
->height
- 1;
1934 left_p
= (s
->first_glyph
->left_box_line_p
1935 || (s
->hl
== DRAW_MOUSE_FACE
1937 || s
->prev
->hl
!= s
->hl
)));
1938 right_p
= (last_glyph
->right_box_line_p
1939 || (s
->hl
== DRAW_MOUSE_FACE
1941 || s
->next
->hl
!= s
->hl
)));
1943 get_glyph_string_clip_rect (s
, &clip_rect
);
1945 if (s
->face
->box
== FACE_SIMPLE_BOX
)
1946 w32_draw_box_rect (s
, left_x
, top_y
, right_x
, bottom_y
, width
,
1947 left_p
, right_p
, &clip_rect
);
1950 x_setup_relief_colors (s
);
1951 w32_draw_relief_rect (s
->f
, left_x
, top_y
, right_x
, bottom_y
,
1952 width
, raised_p
, left_p
, right_p
, &clip_rect
);
1957 /* Draw foreground of image glyph string S. */
1960 x_draw_image_foreground (s
)
1961 struct glyph_string
*s
;
1964 int y
= s
->ybase
- image_ascent (s
->img
, s
->face
);
1966 /* If first glyph of S has a left box line, start drawing it to the
1967 right of that line. */
1968 if (s
->face
->box
!= FACE_NO_BOX
1969 && s
->first_glyph
->left_box_line_p
)
1970 x
= s
->x
+ abs (s
->face
->box_line_width
);
1974 /* If there is a margin around the image, adjust x- and y-position
1976 x
+= s
->img
->hmargin
;
1977 y
+= s
->img
->vmargin
;
1983 HDC compat_hdc
= CreateCompatibleDC (s
->hdc
);
1984 HBRUSH fg_brush
= CreateSolidBrush (s
->gc
->foreground
);
1985 HBRUSH orig_brush
= SelectObject (s
->hdc
, fg_brush
);
1986 HGDIOBJ orig_obj
= SelectObject (compat_hdc
, s
->img
->pixmap
);
1987 SetBkColor (compat_hdc
, RGB (255, 255, 255));
1988 SetTextColor (s
->hdc
, RGB (0, 0, 0));
1989 x_set_glyph_string_clipping (s
);
1993 HDC mask_dc
= CreateCompatibleDC (s
->hdc
);
1994 HGDIOBJ mask_orig_obj
= SelectObject (mask_dc
, s
->img
->mask
);
1996 SetTextColor (s
->hdc
, RGB (255, 255, 255));
1997 SetBkColor (s
->hdc
, RGB (0, 0, 0));
1999 BitBlt (s
->hdc
, x
, y
, s
->img
->width
, s
->img
->height
,
2000 compat_hdc
, 0, 0, SRCINVERT
);
2001 BitBlt (s
->hdc
, x
, y
, s
->img
->width
, s
->img
->height
,
2002 mask_dc
, 0, 0, SRCAND
);
2003 BitBlt (s
->hdc
, x
, y
, s
->img
->width
, s
->img
->height
,
2004 compat_hdc
, 0, 0, SRCINVERT
);
2006 SelectObject (mask_dc
, mask_orig_obj
);
2011 SetTextColor (s
->hdc
, s
->gc
->foreground
);
2012 SetBkColor (s
->hdc
, s
->gc
->background
);
2014 BitBlt (s
->hdc
, x
, y
, s
->img
->width
, s
->img
->height
,
2015 compat_hdc
, 0, 0, SRCCOPY
);
2017 /* When the image has a mask, we can expect that at
2018 least part of a mouse highlight or a block cursor will
2019 be visible. If the image doesn't have a mask, make
2020 a block cursor visible by drawing a rectangle around
2021 the image. I believe it's looking better if we do
2022 nothing here for mouse-face. */
2023 if (s
->hl
== DRAW_CURSOR
)
2025 int r
= s
->img
->relief
;
2027 w32_draw_rectangle (s
->hdc
, s
->gc
, x
- r
, y
- r
,
2028 s
->img
->width
+ r
*2 - 1, s
->img
->height
+ r
*2 - 1);
2032 w32_set_clip_rectangle (s
->hdc
, NULL
);
2033 SelectObject (s
->hdc
, orig_brush
);
2034 DeleteObject (fg_brush
);
2035 SelectObject (compat_hdc
, orig_obj
);
2036 DeleteDC (compat_hdc
);
2039 w32_draw_rectangle (s
->hdc
, s
->gc
, x
, y
, s
->img
->width
-1,
2040 s
->img
->height
- 1);
2042 RestoreDC (s
->hdc
,-1);
2047 /* Draw a relief around the image glyph string S. */
2050 x_draw_image_relief (s
)
2051 struct glyph_string
*s
;
2053 int x0
, y0
, x1
, y1
, thick
, raised_p
;
2056 int y
= s
->ybase
- image_ascent (s
->img
, s
->face
);
2058 /* If first glyph of S has a left box line, start drawing it to the
2059 right of that line. */
2060 if (s
->face
->box
!= FACE_NO_BOX
2061 && s
->first_glyph
->left_box_line_p
)
2062 x
= s
->x
+ abs (s
->face
->box_line_width
);
2066 /* If there is a margin around the image, adjust x- and y-position
2068 x
+= s
->img
->hmargin
;
2069 y
+= s
->img
->vmargin
;
2071 if (s
->hl
== DRAW_IMAGE_SUNKEN
2072 || s
->hl
== DRAW_IMAGE_RAISED
)
2074 thick
= tool_bar_button_relief
>= 0 ? tool_bar_button_relief
: DEFAULT_TOOL_BAR_BUTTON_RELIEF
;
2075 raised_p
= s
->hl
== DRAW_IMAGE_RAISED
;
2079 thick
= abs (s
->img
->relief
);
2080 raised_p
= s
->img
->relief
> 0;
2085 x1
= x
+ s
->img
->width
+ thick
- 1;
2086 y1
= y
+ s
->img
->height
+ thick
- 1;
2088 x_setup_relief_colors (s
);
2089 get_glyph_string_clip_rect (s
, &r
);
2090 w32_draw_relief_rect (s
->f
, x0
, y0
, x1
, y1
, thick
, raised_p
, 1, 1, &r
);
2094 /* Draw the foreground of image glyph string S to PIXMAP. */
2097 w32_draw_image_foreground_1 (s
, pixmap
)
2098 struct glyph_string
*s
;
2101 HDC hdc
= CreateCompatibleDC (s
->hdc
);
2102 HGDIOBJ orig_hdc_obj
= SelectObject (hdc
, pixmap
);
2104 int y
= s
->ybase
- s
->y
- image_ascent (s
->img
, s
->face
);
2106 /* If first glyph of S has a left box line, start drawing it to the
2107 right of that line. */
2108 if (s
->face
->box
!= FACE_NO_BOX
2109 && s
->first_glyph
->left_box_line_p
)
2110 x
= abs (s
->face
->box_line_width
);
2114 /* If there is a margin around the image, adjust x- and y-position
2116 x
+= s
->img
->hmargin
;
2117 y
+= s
->img
->vmargin
;
2121 HDC compat_hdc
= CreateCompatibleDC (hdc
);
2122 HBRUSH fg_brush
= CreateSolidBrush (s
->gc
->foreground
);
2123 HBRUSH orig_brush
= SelectObject (hdc
, fg_brush
);
2124 HGDIOBJ orig_obj
= SelectObject (compat_hdc
, s
->img
->pixmap
);
2128 HDC mask_dc
= CreateCompatibleDC (hdc
);
2129 HGDIOBJ mask_orig_obj
= SelectObject (mask_dc
, s
->img
->mask
);
2131 SetTextColor (hdc
, RGB (0, 0, 0));
2132 SetBkColor (hdc
, RGB (255, 255, 255));
2133 BitBlt (hdc
, x
, y
, s
->img
->width
, s
->img
->height
,
2134 compat_hdc
, 0, 0, SRCINVERT
);
2135 BitBlt (hdc
, x
, y
, s
->img
->width
, s
->img
->height
,
2136 mask_dc
, 0, 0, SRCAND
);
2137 BitBlt (hdc
, x
, y
, s
->img
->width
, s
->img
->height
,
2138 compat_hdc
, 0, 0, SRCINVERT
);
2140 SelectObject (mask_dc
, mask_orig_obj
);
2145 SetTextColor (hdc
, s
->gc
->foreground
);
2146 SetBkColor (hdc
, s
->gc
->background
);
2148 BitBlt (hdc
, x
, y
, s
->img
->width
, s
->img
->height
,
2149 compat_hdc
, 0, 0, SRCCOPY
);
2151 /* When the image has a mask, we can expect that at
2152 least part of a mouse highlight or a block cursor will
2153 be visible. If the image doesn't have a mask, make
2154 a block cursor visible by drawing a rectangle around
2155 the image. I believe it's looking better if we do
2156 nothing here for mouse-face. */
2157 if (s
->hl
== DRAW_CURSOR
)
2159 int r
= s
->img
->relief
;
2161 w32_draw_rectangle (hdc
, s
->gc
, x
- r
, y
- r
,
2162 s
->img
->width
+ r
*2 - 1, s
->img
->height
+ r
*2 - 1);
2166 SelectObject (hdc
, orig_brush
);
2167 DeleteObject (fg_brush
);
2168 SelectObject (compat_hdc
, orig_obj
);
2169 DeleteDC (compat_hdc
);
2172 w32_draw_rectangle (hdc
, s
->gc
, x
, y
, s
->img
->width
- 1,
2173 s
->img
->height
- 1);
2175 SelectObject (hdc
, orig_hdc_obj
);
2180 /* Draw part of the background of glyph string S. X, Y, W, and H
2181 give the rectangle to draw. */
2184 x_draw_glyph_string_bg_rect (s
, x
, y
, w
, h
)
2185 struct glyph_string
*s
;
2188 #if 0 /* TODO: stipple */
2191 /* Fill background with a stipple pattern. */
2192 XSetFillStyle (s
->display
, s
->gc
, FillOpaqueStippled
);
2193 XFillRectangle (s
->display
, s
->window
, s
->gc
, x
, y
, w
, h
);
2194 XSetFillStyle (s
->display
, s
->gc
, FillSolid
);
2198 x_clear_glyph_string_rect (s
, x
, y
, w
, h
);
2202 /* Draw image glyph string S.
2205 s->x +-------------------------
2208 | +-------------------------
2211 | | +-------------------
2217 x_draw_image_glyph_string (s
)
2218 struct glyph_string
*s
;
2221 int box_line_hwidth
= abs (s
->face
->box_line_width
);
2222 int box_line_vwidth
= max (s
->face
->box_line_width
, 0);
2226 height
= s
->height
- 2 * box_line_vwidth
;
2228 /* Fill background with face under the image. Do it only if row is
2229 taller than image or if image has a clip mask to reduce
2231 s
->stippled_p
= s
->face
->stipple
!= 0;
2232 if (height
> s
->img
->height
2236 || s
->img
->pixmap
== 0
2237 || s
->width
!= s
->background_width
)
2239 if (box_line_hwidth
&& s
->first_glyph
->left_box_line_p
)
2240 x
= s
->x
+ box_line_hwidth
;
2244 y
= s
->y
+ box_line_vwidth
;
2245 #if 0 /* TODO: figure out if we need to do this on Windows. */
2248 /* Create a pixmap as large as the glyph string. Fill it
2249 with the background color. Copy the image to it, using
2250 its mask. Copy the temporary pixmap to the display. */
2251 Screen
*screen
= FRAME_X_SCREEN (s
->f
);
2252 int depth
= DefaultDepthOfScreen (screen
);
2254 /* Create a pixmap as large as the glyph string. */
2255 pixmap
= XCreatePixmap (s
->display
, s
->window
,
2256 s
->background_width
,
2259 /* Don't clip in the following because we're working on the
2261 XSetClipMask (s
->display
, s
->gc
, None
);
2263 /* Fill the pixmap with the background color/stipple. */
2266 /* Fill background with a stipple pattern. */
2267 XSetFillStyle (s
->display
, s
->gc
, FillOpaqueStippled
);
2268 XFillRectangle (s
->display
, pixmap
, s
->gc
,
2269 0, 0, s
->background_width
, s
->height
);
2270 XSetFillStyle (s
->display
, s
->gc
, FillSolid
);
2275 XGetGCValues (s
->display
, s
->gc
, GCForeground
| GCBackground
,
2277 XSetForeground (s
->display
, s
->gc
, xgcv
.background
);
2278 XFillRectangle (s
->display
, pixmap
, s
->gc
,
2279 0, 0, s
->background_width
, s
->height
);
2280 XSetForeground (s
->display
, s
->gc
, xgcv
.foreground
);
2285 x_draw_glyph_string_bg_rect (s
, x
, y
, s
->background_width
, height
);
2287 s
->background_filled_p
= 1;
2290 /* Draw the foreground. */
2293 w32_draw_image_foreground_1 (s
, pixmap
);
2294 x_set_glyph_string_clipping (s
);
2296 HDC compat_hdc
= CreateCompatibleDC (s
->hdc
);
2297 HBRUSH fg_brush
= CreateSolidBrush (s
->gc
->foreground
);
2298 HBRUSH orig_brush
= SelectObject (s
->hdc
, fg_brush
);
2299 HGDIOBJ orig_obj
= SelectObject (compat_hdc
, pixmap
);
2301 SetTextColor (s
->hdc
, s
->gc
->foreground
);
2302 SetBkColor (s
->hdc
, s
->gc
->background
);
2303 BitBlt (s
->hdc
, s
->x
, s
->y
, s
->background_width
, s
->height
,
2304 compat_hdc
, 0, 0, SRCCOPY
);
2306 SelectObject (s
->hdc
, orig_brush
);
2307 DeleteObject (fg_brush
);
2308 SelectObject (compat_hdc
, orig_obj
);
2309 DeleteDC (compat_hdc
);
2311 DeleteObject (pixmap
);
2315 x_draw_image_foreground (s
);
2317 /* If we must draw a relief around the image, do it. */
2319 || s
->hl
== DRAW_IMAGE_RAISED
2320 || s
->hl
== DRAW_IMAGE_SUNKEN
)
2321 x_draw_image_relief (s
);
2325 /* Draw stretch glyph string S. */
2328 x_draw_stretch_glyph_string (s
)
2329 struct glyph_string
*s
;
2331 xassert (s
->first_glyph
->type
== STRETCH_GLYPH
);
2332 s
->stippled_p
= s
->face
->stipple
!= 0;
2334 if (s
->hl
== DRAW_CURSOR
2335 && !x_stretch_cursor_p
)
2337 /* If `x-stretch-block-cursor' is nil, don't draw a block cursor
2338 as wide as the stretch glyph. */
2339 int width
= min (FRAME_COLUMN_WIDTH (s
->f
), s
->background_width
);
2342 x_draw_glyph_string_bg_rect (s
, s
->x
, s
->y
, width
, s
->height
);
2344 /* Clear rest using the GC of the original non-cursor face. */
2345 if (width
< s
->background_width
)
2347 XGCValues
*gc
= s
->face
->gc
;
2348 int x
= s
->x
+ width
, y
= s
->y
;
2349 int w
= s
->background_width
- width
, h
= s
->height
;
2353 if (s
->row
->mouse_face_p
2354 && cursor_in_mouse_face_p (s
->w
))
2356 x_set_mouse_face_gc (s
);
2362 get_glyph_string_clip_rect (s
, &r
);
2363 w32_set_clip_rectangle (hdc
, &r
);
2365 #if 0 /* TODO: stipple */
2366 if (s
->face
->stipple
)
2368 /* Fill background with a stipple pattern. */
2369 XSetFillStyle (s
->display
, gc
, FillOpaqueStippled
);
2370 XFillRectangle (s
->display
, s
->window
, gc
, x
, y
, w
, h
);
2371 XSetFillStyle (s
->display
, gc
, FillSolid
);
2376 w32_fill_area (s
->f
, s
->hdc
, gc
->background
, x
, y
, w
, h
);
2380 else if (!s
->background_filled_p
)
2381 x_draw_glyph_string_bg_rect (s
, s
->x
, s
->y
, s
->background_width
,
2384 s
->background_filled_p
= 1;
2388 /* Draw glyph string S. */
2391 x_draw_glyph_string (s
)
2392 struct glyph_string
*s
;
2394 int relief_drawn_p
= 0;
2396 /* If S draws into the background of its successor, draw the
2397 background of the successor first so that S can draw into it.
2398 This makes S->next use XDrawString instead of XDrawImageString. */
2399 if (s
->next
&& s
->right_overhang
&& !s
->for_overlaps_p
)
2401 xassert (s
->next
->img
== NULL
);
2402 x_set_glyph_string_gc (s
->next
);
2403 x_set_glyph_string_clipping (s
->next
);
2404 x_draw_glyph_string_background (s
->next
, 1);
2407 /* Set up S->gc, set clipping and draw S. */
2408 x_set_glyph_string_gc (s
);
2410 /* Draw relief (if any) in advance for char/composition so that the
2411 glyph string can be drawn over it. */
2412 if (!s
->for_overlaps_p
2413 && s
->face
->box
!= FACE_NO_BOX
2414 && (s
->first_glyph
->type
== CHAR_GLYPH
2415 || s
->first_glyph
->type
== COMPOSITE_GLYPH
))
2418 x_set_glyph_string_clipping (s
);
2419 x_draw_glyph_string_background (s
, 1);
2420 x_draw_glyph_string_box (s
);
2421 x_set_glyph_string_clipping (s
);
2425 x_set_glyph_string_clipping (s
);
2427 switch (s
->first_glyph
->type
)
2430 x_draw_image_glyph_string (s
);
2434 x_draw_stretch_glyph_string (s
);
2438 if (s
->for_overlaps_p
)
2439 s
->background_filled_p
= 1;
2441 x_draw_glyph_string_background (s
, 0);
2442 x_draw_glyph_string_foreground (s
);
2445 case COMPOSITE_GLYPH
:
2446 if (s
->for_overlaps_p
|| s
->gidx
> 0)
2447 s
->background_filled_p
= 1;
2449 x_draw_glyph_string_background (s
, 1);
2450 x_draw_composite_glyph_string_foreground (s
);
2457 if (!s
->for_overlaps_p
)
2459 /* Draw underline. */
2460 if (s
->face
->underline_p
2461 && (s
->font
->bdf
|| !s
->font
->tm
.tmUnderlined
))
2463 unsigned long h
= 1;
2464 unsigned long dy
= s
->height
- h
;
2466 /* TODO: Use font information for positioning and thickness
2467 of underline. See OUTLINETEXTMETRIC, and xterm.c. */
2468 if (s
->face
->underline_defaulted_p
)
2470 w32_fill_area (s
->f
, s
->hdc
, s
->gc
->foreground
, s
->x
,
2471 s
->y
+ dy
, s
->width
, 1);
2475 w32_fill_area (s
->f
, s
->hdc
, s
->face
->underline_color
, s
->x
,
2476 s
->y
+ dy
, s
->width
, 1);
2480 /* Draw overline. */
2481 if (s
->face
->overline_p
)
2483 unsigned long dy
= 0, h
= 1;
2485 if (s
->face
->overline_color_defaulted_p
)
2487 w32_fill_area (s
->f
, s
->hdc
, s
->gc
->foreground
, s
->x
,
2488 s
->y
+ dy
, s
->width
, h
);
2492 w32_fill_area (s
->f
, s
->hdc
, s
->face
->underline_color
, s
->x
,
2493 s
->y
+ dy
, s
->width
, h
);
2497 /* Draw strike-through. */
2498 if (s
->face
->strike_through_p
2499 && (s
->font
->bdf
|| !s
->font
->tm
.tmStruckOut
))
2501 unsigned long h
= 1;
2502 unsigned long dy
= (s
->height
- h
) / 2;
2504 if (s
->face
->strike_through_color_defaulted_p
)
2506 w32_fill_area (s
->f
, s
->hdc
, s
->gc
->foreground
, s
->x
, s
->y
+ dy
,
2511 w32_fill_area (s
->f
, s
->hdc
, s
->face
->underline_color
, s
->x
,
2512 s
->y
+ dy
, s
->width
, h
);
2517 if (!relief_drawn_p
&& s
->face
->box
!= FACE_NO_BOX
)
2518 x_draw_glyph_string_box (s
);
2521 /* Reset clipping. */
2522 w32_set_clip_rectangle (s
->hdc
, NULL
);
2526 /* Shift display to make room for inserted glyphs. */
2529 w32_shift_glyphs_for_insert (f
, x
, y
, width
, height
, shift_by
)
2531 int x
, y
, width
, height
, shift_by
;
2535 hdc
= get_frame_dc (f
);
2536 BitBlt (hdc
, x
+ shift_by
, y
, width
, height
,
2537 hdc
, x
, y
, SRCCOPY
);
2539 release_frame_dc (f
, hdc
);
2543 /* Delete N glyphs at the nominal cursor position. Not implemented
2555 f
= SELECTED_FRAME ();
2557 if (! FRAME_W32_P (f
))
2564 /* Clear entire frame. If updating_frame is non-null, clear that
2565 frame. Otherwise clear the selected frame. */
2575 f
= SELECTED_FRAME ();
2577 if (! FRAME_W32_P (f
))
2580 /* Clearing the frame will erase any cursor, so mark them all as no
2582 mark_window_cursors_off (XWINDOW (FRAME_ROOT_WINDOW (f
)));
2583 output_cursor
.hpos
= output_cursor
.vpos
= 0;
2584 output_cursor
.x
= -1;
2586 /* We don't set the output cursor here because there will always
2587 follow an explicit cursor_to. */
2590 w32_clear_window (f
);
2592 /* We have to clear the scroll bars, too. If we have changed
2593 colors or something like that, then they should be notified. */
2594 x_scroll_bar_clear (f
);
2600 /* Make audible bell. */
2603 w32_ring_bell (void)
2607 f
= SELECTED_FRAME ();
2611 if (FRAME_W32_P (f
) && visible_bell
)
2614 HWND hwnd
= FRAME_W32_WINDOW (SELECTED_FRAME ());
2616 for (i
= 0; i
< 5; i
++)
2618 FlashWindow (hwnd
, TRUE
);
2621 FlashWindow (hwnd
, FALSE
);
2624 w32_sys_ring_bell ();
2630 /* Specify how many text lines, from the top of the window,
2631 should be affected by insert-lines and delete-lines operations.
2632 This, and those operations, are used only within an update
2633 that is bounded by calls to x_update_begin and x_update_end. */
2636 w32_set_terminal_window (n
)
2639 /* This function intentionally left blank. */
2643 /***********************************************************************
2645 ***********************************************************************/
2647 /* Perform an insert-lines or delete-lines operation, inserting N
2648 lines or deleting -N lines at vertical position VPOS. */
2651 x_ins_del_lines (vpos
, n
)
2659 f
= SELECTED_FRAME ();
2661 if (! FRAME_W32_P (f
))
2668 /* Scroll part of the display as described by RUN. */
2671 x_scroll_run (w
, run
)
2675 struct frame
*f
= XFRAME (w
->frame
);
2676 int x
, y
, width
, height
, from_y
, to_y
, bottom_y
;
2677 HWND hwnd
= FRAME_W32_WINDOW (f
);
2680 /* Get frame-relative bounding box of the text display area of W,
2681 without mode lines. Include in this box the left and right
2683 window_box (w
, -1, &x
, &y
, &width
, &height
);
2685 from_y
= WINDOW_TO_FRAME_PIXEL_Y (w
, run
->current_y
);
2686 to_y
= WINDOW_TO_FRAME_PIXEL_Y (w
, run
->desired_y
);
2687 bottom_y
= y
+ height
;
2691 /* Scrolling up. Make sure we don't copy part of the mode
2692 line at the bottom. */
2693 if (from_y
+ run
->height
> bottom_y
)
2694 height
= bottom_y
- from_y
;
2696 height
= run
->height
;
2697 expect_dirty
= CreateRectRgn (x
, y
+ height
, x
+ width
, bottom_y
);
2701 /* Scolling down. Make sure we don't copy over the mode line.
2703 if (to_y
+ run
->height
> bottom_y
)
2704 height
= bottom_y
- to_y
;
2706 height
= run
->height
;
2707 expect_dirty
= CreateRectRgn (x
, y
, x
+ width
, to_y
);
2712 /* Cursor off. Will be switched on again in x_update_window_end. */
2719 HRGN dirty
= CreateRectRgn (0, 0, 0, 0);
2720 HRGN combined
= CreateRectRgn (0, 0, 0, 0);
2722 from
.left
= to
.left
= x
;
2723 from
.right
= to
.right
= x
+ width
;
2725 from
.bottom
= from_y
+ height
;
2727 to
.bottom
= bottom_y
;
2729 ScrollWindowEx (hwnd
, 0, to_y
- from_y
, &from
, &to
, dirty
,
2730 NULL
, SW_INVALIDATE
);
2732 /* Combine this with what we expect to be dirty. This covers the
2733 case where not all of the region we expect is actually dirty. */
2734 CombineRgn (combined
, dirty
, expect_dirty
, RGN_OR
);
2736 /* If the dirty region is not what we expected, redraw the entire frame. */
2737 if (!EqualRgn (combined
, expect_dirty
))
2738 SET_FRAME_GARBAGED (f
);
2746 /***********************************************************************
2748 ***********************************************************************/
2754 x_update_cursor (f
, 1);
2758 frame_unhighlight (f
)
2761 x_update_cursor (f
, 1);
2764 /* The focus has changed. Update the frames as necessary to reflect
2765 the new situation. Note that we can't change the selected frame
2766 here, because the Lisp code we are interrupting might become confused.
2767 Each event gets marked with the frame in which it occurred, so the
2768 Lisp code can tell when the switch took place by examining the events. */
2771 x_new_focus_frame (dpyinfo
, frame
)
2772 struct w32_display_info
*dpyinfo
;
2773 struct frame
*frame
;
2775 struct frame
*old_focus
= dpyinfo
->w32_focus_frame
;
2777 if (frame
!= dpyinfo
->w32_focus_frame
)
2779 /* Set this before calling other routines, so that they see
2780 the correct value of w32_focus_frame. */
2781 dpyinfo
->w32_focus_frame
= frame
;
2783 if (old_focus
&& old_focus
->auto_lower
)
2784 x_lower_frame (old_focus
);
2794 if (dpyinfo
->w32_focus_frame
&& dpyinfo
->w32_focus_frame
->auto_raise
)
2795 pending_autoraise_frame
= dpyinfo
->w32_focus_frame
;
2797 pending_autoraise_frame
= 0;
2800 x_frame_rehighlight (dpyinfo
);
2803 /* Handle an event saying the mouse has moved out of an Emacs frame. */
2806 x_mouse_leave (dpyinfo
)
2807 struct w32_display_info
*dpyinfo
;
2809 x_new_focus_frame (dpyinfo
, dpyinfo
->w32_focus_event_frame
);
2812 /* The focus has changed, or we have redirected a frame's focus to
2813 another frame (this happens when a frame uses a surrogate
2814 mini-buffer frame). Shift the highlight as appropriate.
2816 The FRAME argument doesn't necessarily have anything to do with which
2817 frame is being highlighted or un-highlighted; we only use it to find
2818 the appropriate X display info. */
2821 w32_frame_rehighlight (frame
)
2822 struct frame
*frame
;
2824 if (! FRAME_W32_P (frame
))
2826 x_frame_rehighlight (FRAME_W32_DISPLAY_INFO (frame
));
2830 x_frame_rehighlight (dpyinfo
)
2831 struct w32_display_info
*dpyinfo
;
2833 struct frame
*old_highlight
= dpyinfo
->x_highlight_frame
;
2835 if (dpyinfo
->w32_focus_frame
)
2837 dpyinfo
->x_highlight_frame
2838 = ((GC_FRAMEP (FRAME_FOCUS_FRAME (dpyinfo
->w32_focus_frame
)))
2839 ? XFRAME (FRAME_FOCUS_FRAME (dpyinfo
->w32_focus_frame
))
2840 : dpyinfo
->w32_focus_frame
);
2841 if (! FRAME_LIVE_P (dpyinfo
->x_highlight_frame
))
2843 FRAME_FOCUS_FRAME (dpyinfo
->w32_focus_frame
) = Qnil
;
2844 dpyinfo
->x_highlight_frame
= dpyinfo
->w32_focus_frame
;
2848 dpyinfo
->x_highlight_frame
= 0;
2850 if (dpyinfo
->x_highlight_frame
!= old_highlight
)
2853 frame_unhighlight (old_highlight
);
2854 if (dpyinfo
->x_highlight_frame
)
2855 frame_highlight (dpyinfo
->x_highlight_frame
);
2859 /* Keyboard processing - modifier keys, etc. */
2861 /* Convert a keysym to its name. */
2864 x_get_keysym_name (keysym
)
2867 /* Make static so we can always return it */
2868 static char value
[100];
2871 GetKeyNameText (keysym
, value
, 100);
2879 /* Mouse clicks and mouse movement. Rah. */
2881 /* Parse a button MESSAGE. The button index is returned in PBUTTON, and
2882 the state in PUP. XBUTTON provides extra information for extended mouse
2883 button messages. Returns FALSE if unable to parse the message. */
2885 parse_button (message
, xbutton
, pbutton
, pup
)
2896 case WM_LBUTTONDOWN
:
2904 case WM_MBUTTONDOWN
:
2905 if (NILP (Vw32_swap_mouse_buttons
))
2912 if (NILP (Vw32_swap_mouse_buttons
))
2918 case WM_RBUTTONDOWN
:
2919 if (NILP (Vw32_swap_mouse_buttons
))
2926 if (NILP (Vw32_swap_mouse_buttons
))
2932 case WM_XBUTTONDOWN
:
2933 button
= xbutton
+ 2;
2937 button
= xbutton
+ 2;
2945 if (pbutton
) *pbutton
= button
;
2951 /* Prepare a mouse-event in *RESULT for placement in the input queue.
2953 If the event is a button press, then note that we have grabbed
2957 construct_mouse_click (result
, msg
, f
)
2958 struct input_event
*result
;
2965 parse_button (msg
->msg
.message
, HIWORD (msg
->msg
.wParam
),
2968 /* Make the event type NO_EVENT; we'll change that when we decide
2970 result
->kind
= MOUSE_CLICK_EVENT
;
2971 result
->code
= button
;
2972 result
->timestamp
= msg
->msg
.time
;
2973 result
->modifiers
= (msg
->dwModifiers
2978 XSETINT (result
->x
, LOWORD (msg
->msg
.lParam
));
2979 XSETINT (result
->y
, HIWORD (msg
->msg
.lParam
));
2980 XSETFRAME (result
->frame_or_window
, f
);
2986 construct_mouse_wheel (result
, msg
, f
)
2987 struct input_event
*result
;
2994 result
->kind
= WHEEL_EVENT
;
2996 result
->timestamp
= msg
->msg
.time
;
2998 /* A WHEEL_DELTA positive value indicates that the wheel was rotated
2999 forward, away from the user (up); a negative value indicates that
3000 the wheel was rotated backward, toward the user (down). */
3001 delta
= GET_WHEEL_DELTA_WPARAM (msg
->msg
.wParam
);
3003 /* The up and down modifiers indicate if the wheel was rotated up or
3004 down based on WHEEL_DELTA value. */
3005 result
->modifiers
= (msg
->dwModifiers
3006 | ((delta
< 0 ) ? down_modifier
: up_modifier
));
3008 p
.x
= LOWORD (msg
->msg
.lParam
);
3009 p
.y
= HIWORD (msg
->msg
.lParam
);
3010 ScreenToClient (msg
->msg
.hwnd
, &p
);
3011 XSETINT (result
->x
, p
.x
);
3012 XSETINT (result
->y
, p
.y
);
3013 XSETFRAME (result
->frame_or_window
, f
);
3019 construct_drag_n_drop (result
, msg
, f
)
3020 struct input_event
*result
;
3032 result
->kind
= DRAG_N_DROP_EVENT
;
3034 result
->timestamp
= msg
->msg
.time
;
3035 result
->modifiers
= msg
->dwModifiers
;
3037 hdrop
= (HDROP
) msg
->msg
.wParam
;
3038 DragQueryPoint (hdrop
, &p
);
3041 p
.x
= LOWORD (msg
->msg
.lParam
);
3042 p
.y
= HIWORD (msg
->msg
.lParam
);
3043 ScreenToClient (msg
->msg
.hwnd
, &p
);
3046 XSETINT (result
->x
, p
.x
);
3047 XSETINT (result
->y
, p
.y
);
3049 num_files
= DragQueryFile (hdrop
, 0xFFFFFFFF, NULL
, 0);
3052 for (i
= 0; i
< num_files
; i
++)
3054 len
= DragQueryFile (hdrop
, i
, NULL
, 0);
3057 name
= alloca (len
+ 1);
3058 DragQueryFile (hdrop
, i
, name
, len
+ 1);
3059 files
= Fcons (DECODE_FILE (build_string (name
)), files
);
3064 XSETFRAME (frame
, f
);
3065 result
->frame_or_window
= Fcons (frame
, files
);
3071 /* Function to report a mouse movement to the mainstream Emacs code.
3072 The input handler calls this.
3074 We have received a mouse movement event, which is given in *event.
3075 If the mouse is over a different glyph than it was last time, tell
3076 the mainstream emacs code by setting mouse_moved. If not, ask for
3077 another motion event, so we can check again the next time it moves. */
3079 static MSG last_mouse_motion_event
;
3080 static Lisp_Object last_mouse_motion_frame
;
3082 static void remember_mouse_glyph
P_ ((struct frame
*, int, int));
3085 note_mouse_movement (frame
, msg
)
3089 int mouse_x
= LOWORD (msg
->lParam
);
3090 int mouse_y
= HIWORD (msg
->lParam
);
3092 last_mouse_movement_time
= msg
->time
;
3093 memcpy (&last_mouse_motion_event
, msg
, sizeof (last_mouse_motion_event
));
3094 XSETFRAME (last_mouse_motion_frame
, frame
);
3096 if (msg
->hwnd
!= FRAME_W32_WINDOW (frame
))
3098 frame
->mouse_moved
= 1;
3099 last_mouse_scroll_bar
= Qnil
;
3100 note_mouse_highlight (frame
, -1, -1);
3103 /* Has the mouse moved off the glyph it was on at the last sighting? */
3104 else if (mouse_x
< last_mouse_glyph
.left
3105 || mouse_x
> last_mouse_glyph
.right
3106 || mouse_y
< last_mouse_glyph
.top
3107 || mouse_y
> last_mouse_glyph
.bottom
)
3109 frame
->mouse_moved
= 1;
3110 last_mouse_scroll_bar
= Qnil
;
3111 note_mouse_highlight (frame
, mouse_x
, mouse_y
);
3112 /* Remember the mouse position here, as w32_mouse_position only
3113 gets called when mouse tracking is enabled but we also need
3114 to keep track of the mouse for help_echo and highlighting at
3116 remember_mouse_glyph (frame
, mouse_x
, mouse_y
);
3121 /************************************************************************
3123 ************************************************************************/
3125 static struct scroll_bar
*x_window_to_scroll_bar ();
3126 static void x_scroll_bar_report_motion ();
3127 static void x_check_fullscreen
P_ ((struct frame
*));
3128 static int glyph_rect
P_ ((struct frame
*f
, int, int, RECT
*));
3132 redo_mouse_highlight ()
3134 if (!NILP (last_mouse_motion_frame
)
3135 && FRAME_LIVE_P (XFRAME (last_mouse_motion_frame
)))
3136 note_mouse_highlight (XFRAME (last_mouse_motion_frame
),
3137 LOWORD (last_mouse_motion_event
.lParam
),
3138 HIWORD (last_mouse_motion_event
.lParam
));
3142 w32_define_cursor (window
, cursor
)
3146 PostMessage (window
, WM_EMACS_SETCURSOR
, (WPARAM
) cursor
, 0);
3149 /* Try to determine frame pixel position and size of the glyph under
3150 frame pixel coordinates X/Y on frame F . Return the position and
3151 size in *RECT. Value is non-zero if we could compute these
3155 glyph_rect (f
, x
, y
, rect
)
3162 window
= window_from_coordinates (f
, x
, y
, 0, &x
, &y
, 0);
3166 struct window
*w
= XWINDOW (window
);
3167 struct glyph_row
*r
= MATRIX_FIRST_TEXT_ROW (w
->current_matrix
);
3168 struct glyph_row
*end
= r
+ w
->current_matrix
->nrows
- 1;
3170 for (; r
< end
&& r
->enabled_p
; ++r
)
3171 if (r
->y
<= y
&& r
->y
+ r
->height
> y
)
3173 /* Found the row at y. */
3174 struct glyph
*g
= r
->glyphs
[TEXT_AREA
];
3175 struct glyph
*end
= g
+ r
->used
[TEXT_AREA
];
3178 rect
->top
= WINDOW_TO_FRAME_PIXEL_Y (w
, r
->y
);
3179 rect
->bottom
= rect
->top
+ r
->height
;
3183 /* x is to the left of the first glyph in the row. */
3184 /* Shouldn't this be a pixel value?
3185 WINDOW_LEFT_EDGE_X (w) seems to be the right value.
3187 rect
->left
= WINDOW_LEFT_EDGE_COL (w
);
3188 rect
->right
= WINDOW_TO_FRAME_PIXEL_X (w
, r
->x
);
3192 for (gx
= r
->x
; g
< end
; gx
+= g
->pixel_width
, ++g
)
3193 if (gx
<= x
&& gx
+ g
->pixel_width
> x
)
3195 /* x is on a glyph. */
3196 rect
->left
= WINDOW_TO_FRAME_PIXEL_X (w
, gx
);
3197 rect
->right
= rect
->left
+ g
->pixel_width
;
3201 /* x is to the right of the last glyph in the row. */
3202 rect
->left
= WINDOW_TO_FRAME_PIXEL_X (w
, gx
);
3203 /* Shouldn't this be a pixel value?
3204 WINDOW_RIGHT_EDGE_X (w) seems to be the right value.
3206 rect
->right
= WINDOW_RIGHT_EDGE_COL (w
);
3211 /* The y is not on any row. */
3215 /* Record the position of the mouse in last_mouse_glyph. */
3217 remember_mouse_glyph (f1
, gx
, gy
)
3221 if (!glyph_rect (f1
, gx
, gy
, &last_mouse_glyph
))
3223 int width
= FRAME_SMALLEST_CHAR_WIDTH (f1
);
3224 int height
= FRAME_SMALLEST_FONT_HEIGHT (f1
);
3226 /* Arrange for the division in FRAME_PIXEL_X_TO_COL etc. to
3227 round down even for negative values. */
3233 /* This was the original code from XTmouse_position, but it seems
3234 to give the position of the glyph diagonally next to the one
3235 the mouse is over. */
3236 gx
= (gx
+ width
- 1) / width
* width
;
3237 gy
= (gy
+ height
- 1) / height
* height
;
3239 gx
= gx
/ width
* width
;
3240 gy
= gy
/ height
* height
;
3243 last_mouse_glyph
.left
= gx
;
3244 last_mouse_glyph
.top
= gy
;
3245 last_mouse_glyph
.right
= gx
+ width
;
3246 last_mouse_glyph
.bottom
= gy
+ height
;
3250 /* Return the current position of the mouse.
3251 *fp should be a frame which indicates which display to ask about.
3253 If the mouse movement started in a scroll bar, set *fp, *bar_window,
3254 and *part to the frame, window, and scroll bar part that the mouse
3255 is over. Set *x and *y to the portion and whole of the mouse's
3256 position on the scroll bar.
3258 If the mouse movement started elsewhere, set *fp to the frame the
3259 mouse is on, *bar_window to nil, and *x and *y to the character cell
3262 Set *time to the server time-stamp for the time at which the mouse
3263 was at this position.
3265 Don't store anything if we don't have a valid set of values to report.
3267 This clears the mouse_moved flag, so we can wait for the next mouse
3271 w32_mouse_position (fp
, insist
, bar_window
, part
, x
, y
, time
)
3274 Lisp_Object
*bar_window
;
3275 enum scroll_bar_part
*part
;
3277 unsigned long *time
;
3283 if (! NILP (last_mouse_scroll_bar
) && insist
== 0)
3284 x_scroll_bar_report_motion (fp
, bar_window
, part
, x
, y
, time
);
3289 Lisp_Object frame
, tail
;
3291 /* Clear the mouse-moved flag for every frame on this display. */
3292 FOR_EACH_FRAME (tail
, frame
)
3293 XFRAME (frame
)->mouse_moved
= 0;
3295 last_mouse_scroll_bar
= Qnil
;
3299 /* Now we have a position on the root; find the innermost window
3300 containing the pointer. */
3302 if (FRAME_W32_DISPLAY_INFO (*fp
)->grabbed
&& last_mouse_frame
3303 && FRAME_LIVE_P (last_mouse_frame
))
3305 /* If mouse was grabbed on a frame, give coords for that frame
3306 even if the mouse is now outside it. */
3307 f1
= last_mouse_frame
;
3311 /* Is window under mouse one of our frames? */
3312 f1
= x_any_window_to_frame (FRAME_W32_DISPLAY_INFO (*fp
),
3313 WindowFromPoint (pt
));
3316 /* If not, is it one of our scroll bars? */
3319 struct scroll_bar
*bar
3320 = x_window_to_scroll_bar (WindowFromPoint (pt
));
3324 f1
= XFRAME (WINDOW_FRAME (XWINDOW (bar
->window
)));
3328 if (f1
== 0 && insist
> 0)
3329 f1
= SELECTED_FRAME ();
3333 /* Ok, we found a frame. Store all the values.
3334 last_mouse_glyph is a rectangle used to reduce the
3335 generation of mouse events. To not miss any motion
3336 events, we must divide the frame into rectangles of the
3337 size of the smallest character that could be displayed
3338 on it, i.e. into the same rectangles that matrices on
3339 the frame are divided into. */
3341 #if OLD_REDISPLAY_CODE
3342 int ignore1
, ignore2
;
3344 ScreenToClient (FRAME_W32_WINDOW (f1
), &pt
);
3346 pixel_to_glyph_coords (f1
, pt
.x
, pt
.y
, &ignore1
, &ignore2
,
3348 FRAME_W32_DISPLAY_INFO (f1
)->grabbed
3351 ScreenToClient (FRAME_W32_WINDOW (f1
), &pt
);
3352 remember_mouse_glyph (f1
, pt
.x
, pt
.y
);
3360 *time
= last_mouse_movement_time
;
3369 /***********************************************************************
3371 ***********************************************************************/
3373 /* Handle mouse button event on the tool-bar of frame F, at
3374 frame-relative coordinates X/Y. EVENT_TYPE is either ButtionPress
3378 w32_handle_tool_bar_click (f
, button_event
)
3380 struct input_event
*button_event
;
3382 int x
= XFASTINT (button_event
->x
);
3383 int y
= XFASTINT (button_event
->y
);
3385 if (button_event
->modifiers
& down_modifier
)
3386 handle_tool_bar_click (f
, x
, y
, 1, 0);
3388 handle_tool_bar_click (f
, x
, y
, 0,
3389 button_event
->modifiers
& ~up_modifier
);
3394 /***********************************************************************
3396 ***********************************************************************/
3398 /* Scroll bar support. */
3400 /* Given a window ID, find the struct scroll_bar which manages it.
3401 This can be called in GC, so we have to make sure to strip off mark
3404 static struct scroll_bar
*
3405 x_window_to_scroll_bar (window_id
)
3410 for (tail
= Vframe_list
;
3411 XGCTYPE (tail
) == Lisp_Cons
;
3414 Lisp_Object frame
, bar
, condemned
;
3416 frame
= XCAR (tail
);
3417 /* All elements of Vframe_list should be frames. */
3418 if (! GC_FRAMEP (frame
))
3421 /* Scan this frame's scroll bar list for a scroll bar with the
3423 condemned
= FRAME_CONDEMNED_SCROLL_BARS (XFRAME (frame
));
3424 for (bar
= FRAME_SCROLL_BARS (XFRAME (frame
));
3425 /* This trick allows us to search both the ordinary and
3426 condemned scroll bar lists with one loop. */
3427 ! GC_NILP (bar
) || (bar
= condemned
,
3430 bar
= XSCROLL_BAR (bar
)->next
)
3431 if (SCROLL_BAR_W32_WINDOW (XSCROLL_BAR (bar
)) == window_id
)
3432 return XSCROLL_BAR (bar
);
3440 /* Set the thumb size and position of scroll bar BAR. We are currently
3441 displaying PORTION out of a whole WHOLE, and our position POSITION. */
3444 w32_set_scroll_bar_thumb (bar
, portion
, position
, whole
)
3445 struct scroll_bar
*bar
;
3446 int portion
, position
, whole
;
3448 Window w
= SCROLL_BAR_W32_WINDOW (bar
);
3449 double range
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
));
3450 int sb_page
, sb_pos
;
3451 BOOL draggingp
= !NILP (bar
->dragging
) ? TRUE
: FALSE
;
3455 /* Position scroll bar at rock bottom if the bottom of the
3456 buffer is visible. This avoids shinking the thumb away
3457 to nothing if it is held at the bottom of the buffer. */
3458 if (position
+ portion
>= whole
)
3460 sb_page
= range
* (whole
- position
) / whole
3461 + VERTICAL_SCROLL_BAR_MIN_HANDLE
;
3465 sb_page
= portion
* range
/ whole
+ VERTICAL_SCROLL_BAR_MIN_HANDLE
;
3466 sb_pos
= position
* range
/ whole
;
3476 if (pfnSetScrollInfo
)
3480 si
.cbSize
= sizeof (si
);
3481 /* Only update page size if currently dragging, to reduce
3484 si
.fMask
= SIF_PAGE
;
3486 si
.fMask
= SIF_PAGE
| SIF_POS
;
3490 pfnSetScrollInfo (w
, SB_CTL
, &si
, !draggingp
);
3493 SetScrollPos (w
, SB_CTL
, sb_pos
, !draggingp
);
3499 /************************************************************************
3500 Scroll bars, general
3501 ************************************************************************/
3504 my_create_scrollbar (f
, bar
)
3506 struct scroll_bar
* bar
;
3508 return (HWND
) SendMessage (FRAME_W32_WINDOW (f
),
3509 WM_EMACS_CREATESCROLLBAR
, (WPARAM
) f
,
3513 /*#define ATTACH_THREADS*/
3516 my_show_window (FRAME_PTR f
, HWND hwnd
, int how
)
3518 #ifndef ATTACH_THREADS
3519 return SendMessage (FRAME_W32_WINDOW (f
), WM_EMACS_SHOWWINDOW
,
3520 (WPARAM
) hwnd
, (LPARAM
) how
);
3522 return ShowWindow (hwnd
, how
);
3527 my_set_window_pos (HWND hwnd
, HWND hwndAfter
,
3528 int x
, int y
, int cx
, int cy
, UINT flags
)
3530 #ifndef ATTACH_THREADS
3532 pos
.hwndInsertAfter
= hwndAfter
;
3538 SendMessage (hwnd
, WM_EMACS_SETWINDOWPOS
, (WPARAM
) &pos
, 0);
3540 SetWindowPos (hwnd
, hwndAfter
, x
, y
, cx
, cy
, flags
);
3545 my_set_focus (f
, hwnd
)
3549 SendMessage (FRAME_W32_WINDOW (f
), WM_EMACS_SETFOCUS
,
3554 my_set_foreground_window (hwnd
)
3557 SendMessage (hwnd
, WM_EMACS_SETFOREGROUND
, (WPARAM
) hwnd
, 0);
3561 my_destroy_window (f
, hwnd
)
3565 SendMessage (FRAME_W32_WINDOW (f
), WM_EMACS_DESTROYWINDOW
,
3569 /* Create a scroll bar and return the scroll bar vector for it. W is
3570 the Emacs window on which to create the scroll bar. TOP, LEFT,
3571 WIDTH and HEIGHT are.the pixel coordinates and dimensions of the
3574 static struct scroll_bar
*
3575 x_scroll_bar_create (w
, top
, left
, width
, height
)
3577 int top
, left
, width
, height
;
3579 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
3581 struct scroll_bar
*bar
3582 = XSCROLL_BAR (Fmake_vector (make_number (SCROLL_BAR_VEC_SIZE
), Qnil
));
3586 XSETWINDOW (bar
->window
, w
);
3587 XSETINT (bar
->top
, top
);
3588 XSETINT (bar
->left
, left
);
3589 XSETINT (bar
->width
, width
);
3590 XSETINT (bar
->height
, height
);
3591 XSETINT (bar
->start
, 0);
3592 XSETINT (bar
->end
, 0);
3593 bar
->dragging
= Qnil
;
3595 /* Requires geometry to be set before call to create the real window */
3597 hwnd
= my_create_scrollbar (f
, bar
);
3599 if (pfnSetScrollInfo
)
3603 si
.cbSize
= sizeof (si
);
3606 si
.nMax
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, height
)
3607 + VERTICAL_SCROLL_BAR_MIN_HANDLE
;
3611 pfnSetScrollInfo (hwnd
, SB_CTL
, &si
, FALSE
);
3615 SetScrollRange (hwnd
, SB_CTL
, 0,
3616 VERTICAL_SCROLL_BAR_TOP_RANGE (f
, height
), FALSE
);
3617 SetScrollPos (hwnd
, SB_CTL
, 0, FALSE
);
3620 SET_SCROLL_BAR_W32_WINDOW (bar
, hwnd
);
3622 /* Add bar to its frame's list of scroll bars. */
3623 bar
->next
= FRAME_SCROLL_BARS (f
);
3625 XSETVECTOR (FRAME_SCROLL_BARS (f
), bar
);
3626 if (! NILP (bar
->next
))
3627 XSETVECTOR (XSCROLL_BAR (bar
->next
)->prev
, bar
);
3635 /* Destroy scroll bar BAR, and set its Emacs window's scroll bar to
3639 x_scroll_bar_remove (bar
)
3640 struct scroll_bar
*bar
;
3642 FRAME_PTR f
= XFRAME (WINDOW_FRAME (XWINDOW (bar
->window
)));
3646 /* Destroy the window. */
3647 my_destroy_window (f
, SCROLL_BAR_W32_WINDOW (bar
));
3649 /* Disassociate this scroll bar from its window. */
3650 XWINDOW (bar
->window
)->vertical_scroll_bar
= Qnil
;
3655 /* Set the handle of the vertical scroll bar for WINDOW to indicate
3656 that we are displaying PORTION characters out of a total of WHOLE
3657 characters, starting at POSITION. If WINDOW has no scroll bar,
3660 w32_set_vertical_scroll_bar (w
, portion
, whole
, position
)
3662 int portion
, whole
, position
;
3664 struct frame
*f
= XFRAME (w
->frame
);
3665 struct scroll_bar
*bar
;
3666 int top
, height
, left
, sb_left
, width
, sb_width
;
3667 int window_y
, window_height
;
3669 /* Get window dimensions. */
3670 window_box (w
, -1, 0, &window_y
, 0, &window_height
);
3672 width
= WINDOW_CONFIG_SCROLL_BAR_COLS (w
) * FRAME_COLUMN_WIDTH (f
);
3673 height
= window_height
;
3675 /* Compute the left edge of the scroll bar area. */
3676 left
= WINDOW_SCROLL_BAR_AREA_X (w
);
3678 /* Compute the width of the scroll bar which might be less than
3679 the width of the area reserved for the scroll bar. */
3680 if (WINDOW_CONFIG_SCROLL_BAR_WIDTH (w
) > 0)
3681 sb_width
= WINDOW_CONFIG_SCROLL_BAR_WIDTH (w
);
3685 /* Compute the left edge of the scroll bar. */
3686 if (WINDOW_HAS_VERTICAL_SCROLL_BAR_ON_RIGHT (w
))
3687 sb_left
= left
+ width
- sb_width
- (width
- sb_width
) / 2;
3689 sb_left
= left
+ (width
- sb_width
) / 2;
3691 /* Does the scroll bar exist yet? */
3692 if (NILP (w
->vertical_scroll_bar
))
3696 if (width
> 0 && height
> 0)
3698 hdc
= get_frame_dc (f
);
3699 w32_clear_area (f
, hdc
, left
, top
, width
, height
);
3700 release_frame_dc (f
, hdc
);
3704 bar
= x_scroll_bar_create (w
, top
, sb_left
, sb_width
, height
);
3708 /* It may just need to be moved and resized. */
3711 bar
= XSCROLL_BAR (w
->vertical_scroll_bar
);
3712 hwnd
= SCROLL_BAR_W32_WINDOW (bar
);
3714 /* If already correctly positioned, do nothing. */
3715 if ( XINT (bar
->left
) == sb_left
3716 && XINT (bar
->top
) == top
3717 && XINT (bar
->width
) == sb_width
3718 && XINT (bar
->height
) == height
)
3720 /* Redraw after clear_frame. */
3721 if (!my_show_window (f
, hwnd
, SW_NORMAL
))
3722 InvalidateRect (hwnd
, NULL
, FALSE
);
3728 if (width
&& height
)
3730 hdc
= get_frame_dc (f
);
3731 /* Since Windows scroll bars are smaller than the space reserved
3732 for them on the frame, we have to clear "under" them. */
3733 w32_clear_area (f
, hdc
,
3738 release_frame_dc (f
, hdc
);
3740 /* Make sure scroll bar is "visible" before moving, to ensure the
3741 area of the parent window now exposed will be refreshed. */
3742 my_show_window (f
, hwnd
, SW_HIDE
);
3743 MoveWindow (hwnd
, sb_left
+ VERTICAL_SCROLL_BAR_WIDTH_TRIM
,
3744 top
, sb_width
- VERTICAL_SCROLL_BAR_WIDTH_TRIM
* 2,
3745 max (height
, 1), TRUE
);
3746 if (pfnSetScrollInfo
)
3750 si
.cbSize
= sizeof (si
);
3751 si
.fMask
= SIF_RANGE
;
3753 si
.nMax
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, height
)
3754 + VERTICAL_SCROLL_BAR_MIN_HANDLE
;
3756 pfnSetScrollInfo (hwnd
, SB_CTL
, &si
, FALSE
);
3759 SetScrollRange (hwnd
, SB_CTL
, 0,
3760 VERTICAL_SCROLL_BAR_TOP_RANGE (f
, height
), FALSE
);
3761 my_show_window (f
, hwnd
, SW_NORMAL
);
3762 /* InvalidateRect (w, NULL, FALSE); */
3764 /* Remember new settings. */
3765 XSETINT (bar
->left
, sb_left
);
3766 XSETINT (bar
->top
, top
);
3767 XSETINT (bar
->width
, sb_width
);
3768 XSETINT (bar
->height
, height
);
3773 w32_set_scroll_bar_thumb (bar
, portion
, position
, whole
);
3775 XSETVECTOR (w
->vertical_scroll_bar
, bar
);
3779 /* The following three hooks are used when we're doing a thorough
3780 redisplay of the frame. We don't explicitly know which scroll bars
3781 are going to be deleted, because keeping track of when windows go
3782 away is a real pain - "Can you say set-window-configuration, boys
3783 and girls?" Instead, we just assert at the beginning of redisplay
3784 that *all* scroll bars are to be removed, and then save a scroll bar
3785 from the fiery pit when we actually redisplay its window. */
3787 /* Arrange for all scroll bars on FRAME to be removed at the next call
3788 to `*judge_scroll_bars_hook'. A scroll bar may be spared if
3789 `*redeem_scroll_bar_hook' is applied to its window before the judgment. */
3792 w32_condemn_scroll_bars (frame
)
3795 /* Transfer all the scroll bars to FRAME_CONDEMNED_SCROLL_BARS. */
3796 while (! NILP (FRAME_SCROLL_BARS (frame
)))
3799 bar
= FRAME_SCROLL_BARS (frame
);
3800 FRAME_SCROLL_BARS (frame
) = XSCROLL_BAR (bar
)->next
;
3801 XSCROLL_BAR (bar
)->next
= FRAME_CONDEMNED_SCROLL_BARS (frame
);
3802 XSCROLL_BAR (bar
)->prev
= Qnil
;
3803 if (! NILP (FRAME_CONDEMNED_SCROLL_BARS (frame
)))
3804 XSCROLL_BAR (FRAME_CONDEMNED_SCROLL_BARS (frame
))->prev
= bar
;
3805 FRAME_CONDEMNED_SCROLL_BARS (frame
) = bar
;
3810 /* Un-mark WINDOW's scroll bar for deletion in this judgment cycle.
3811 Note that WINDOW isn't necessarily condemned at all. */
3814 w32_redeem_scroll_bar (window
)
3815 struct window
*window
;
3817 struct scroll_bar
*bar
;
3820 /* We can't redeem this window's scroll bar if it doesn't have one. */
3821 if (NILP (window
->vertical_scroll_bar
))
3824 bar
= XSCROLL_BAR (window
->vertical_scroll_bar
);
3826 /* Unlink it from the condemned list. */
3827 f
= XFRAME (WINDOW_FRAME (window
));
3828 if (NILP (bar
->prev
))
3830 /* If the prev pointer is nil, it must be the first in one of
3832 if (EQ (FRAME_SCROLL_BARS (f
), window
->vertical_scroll_bar
))
3833 /* It's not condemned. Everything's fine. */
3835 else if (EQ (FRAME_CONDEMNED_SCROLL_BARS (f
),
3836 window
->vertical_scroll_bar
))
3837 FRAME_CONDEMNED_SCROLL_BARS (f
) = bar
->next
;
3839 /* If its prev pointer is nil, it must be at the front of
3840 one or the other! */
3844 XSCROLL_BAR (bar
->prev
)->next
= bar
->next
;
3846 if (! NILP (bar
->next
))
3847 XSCROLL_BAR (bar
->next
)->prev
= bar
->prev
;
3849 bar
->next
= FRAME_SCROLL_BARS (f
);
3851 XSETVECTOR (FRAME_SCROLL_BARS (f
), bar
);
3852 if (! NILP (bar
->next
))
3853 XSETVECTOR (XSCROLL_BAR (bar
->next
)->prev
, bar
);
3856 /* Remove all scroll bars on FRAME that haven't been saved since the
3857 last call to `*condemn_scroll_bars_hook'. */
3860 w32_judge_scroll_bars (f
)
3863 Lisp_Object bar
, next
;
3865 bar
= FRAME_CONDEMNED_SCROLL_BARS (f
);
3867 /* Clear out the condemned list now so we won't try to process any
3868 more events on the hapless scroll bars. */
3869 FRAME_CONDEMNED_SCROLL_BARS (f
) = Qnil
;
3871 for (; ! NILP (bar
); bar
= next
)
3873 struct scroll_bar
*b
= XSCROLL_BAR (bar
);
3875 x_scroll_bar_remove (b
);
3878 b
->next
= b
->prev
= Qnil
;
3881 /* Now there should be no references to the condemned scroll bars,
3882 and they should get garbage-collected. */
3885 /* Handle a mouse click on the scroll bar BAR. If *EMACS_EVENT's kind
3886 is set to something other than NO_EVENT, it is enqueued.
3888 This may be called from a signal handler, so we have to ignore GC
3892 w32_scroll_bar_handle_click (bar
, msg
, emacs_event
)
3893 struct scroll_bar
*bar
;
3895 struct input_event
*emacs_event
;
3897 if (! GC_WINDOWP (bar
->window
))
3900 emacs_event
->kind
= W32_SCROLL_BAR_CLICK_EVENT
;
3901 emacs_event
->code
= 0;
3902 /* not really meaningful to distinguish up/down */
3903 emacs_event
->modifiers
= msg
->dwModifiers
;
3904 emacs_event
->frame_or_window
= bar
->window
;
3905 emacs_event
->arg
= Qnil
;
3906 emacs_event
->timestamp
= msg
->msg
.time
;
3909 int top_range
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
));
3911 int dragging
= !NILP (bar
->dragging
);
3913 if (pfnGetScrollInfo
)
3917 si
.cbSize
= sizeof (si
);
3920 pfnGetScrollInfo ((HWND
) msg
->msg
.lParam
, SB_CTL
, &si
);
3924 y
= GetScrollPos ((HWND
) msg
->msg
.lParam
, SB_CTL
);
3926 bar
->dragging
= Qnil
;
3929 last_mouse_scroll_bar_pos
= msg
->msg
.wParam
;
3931 switch (LOWORD (msg
->msg
.wParam
))
3934 emacs_event
->part
= scroll_bar_down_arrow
;
3937 emacs_event
->part
= scroll_bar_up_arrow
;
3940 emacs_event
->part
= scroll_bar_above_handle
;
3943 emacs_event
->part
= scroll_bar_below_handle
;
3946 emacs_event
->part
= scroll_bar_handle
;
3950 emacs_event
->part
= scroll_bar_handle
;
3954 case SB_THUMBPOSITION
:
3955 if (VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
)) <= 0xffff)
3956 y
= HIWORD (msg
->msg
.wParam
);
3958 emacs_event
->part
= scroll_bar_handle
;
3960 /* "Silently" update current position. */
3961 if (pfnSetScrollInfo
)
3965 si
.cbSize
= sizeof (si
);
3968 /* Remember apparent position (we actually lag behind the real
3969 position, so don't set that directly. */
3970 last_scroll_bar_drag_pos
= y
;
3972 pfnSetScrollInfo (SCROLL_BAR_W32_WINDOW (bar
), SB_CTL
, &si
, FALSE
);
3975 SetScrollPos (SCROLL_BAR_W32_WINDOW (bar
), SB_CTL
, y
, FALSE
);
3978 /* If this is the end of a drag sequence, then reset the scroll
3979 handle size to normal and do a final redraw. Otherwise do
3983 if (pfnSetScrollInfo
)
3986 int start
= XINT (bar
->start
);
3987 int end
= XINT (bar
->end
);
3989 si
.cbSize
= sizeof (si
);
3990 si
.fMask
= SIF_PAGE
| SIF_POS
;
3991 si
.nPage
= end
- start
+ VERTICAL_SCROLL_BAR_MIN_HANDLE
;
3992 si
.nPos
= last_scroll_bar_drag_pos
;
3993 pfnSetScrollInfo (SCROLL_BAR_W32_WINDOW (bar
), SB_CTL
, &si
, TRUE
);
3996 SetScrollPos (SCROLL_BAR_W32_WINDOW (bar
), SB_CTL
, y
, TRUE
);
4000 emacs_event
->kind
= NO_EVENT
;
4004 XSETINT (emacs_event
->x
, y
);
4005 XSETINT (emacs_event
->y
, top_range
);
4011 /* Return information to the user about the current position of the mouse
4012 on the scroll bar. */
4015 x_scroll_bar_report_motion (fp
, bar_window
, part
, x
, y
, time
)
4017 Lisp_Object
*bar_window
;
4018 enum scroll_bar_part
*part
;
4020 unsigned long *time
;
4022 struct scroll_bar
*bar
= XSCROLL_BAR (last_mouse_scroll_bar
);
4023 Window w
= SCROLL_BAR_W32_WINDOW (bar
);
4024 FRAME_PTR f
= XFRAME (WINDOW_FRAME (XWINDOW (bar
->window
)));
4026 int top_range
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
));
4031 *bar_window
= bar
->window
;
4033 if (pfnGetScrollInfo
)
4037 si
.cbSize
= sizeof (si
);
4038 si
.fMask
= SIF_POS
| SIF_PAGE
| SIF_RANGE
;
4040 pfnGetScrollInfo (w
, SB_CTL
, &si
);
4042 top_range
= si
.nMax
- si
.nPage
+ 1;
4045 pos
= GetScrollPos (w
, SB_CTL
);
4047 switch (LOWORD (last_mouse_scroll_bar_pos
))
4049 case SB_THUMBPOSITION
:
4051 *part
= scroll_bar_handle
;
4052 if (VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
)) <= 0xffff)
4053 pos
= HIWORD (last_mouse_scroll_bar_pos
);
4056 *part
= scroll_bar_handle
;
4060 *part
= scroll_bar_handle
;
4065 XSETINT (*y
, top_range
);
4068 last_mouse_scroll_bar
= Qnil
;
4070 *time
= last_mouse_movement_time
;
4076 /* The screen has been cleared so we may have changed foreground or
4077 background colors, and the scroll bars may need to be redrawn.
4078 Clear out the scroll bars, and ask for expose events, so we can
4082 x_scroll_bar_clear (f
)
4087 /* We can have scroll bars even if this is 0,
4088 if we just turned off scroll bar mode.
4089 But in that case we should not clear them. */
4090 if (FRAME_HAS_VERTICAL_SCROLL_BARS (f
))
4091 for (bar
= FRAME_SCROLL_BARS (f
); VECTORP (bar
);
4092 bar
= XSCROLL_BAR (bar
)->next
)
4094 HWND window
= SCROLL_BAR_W32_WINDOW (XSCROLL_BAR (bar
));
4095 HDC hdc
= GetDC (window
);
4098 /* Hide scroll bar until ready to repaint. x_scroll_bar_move
4099 arranges to refresh the scroll bar if hidden. */
4100 my_show_window (f
, window
, SW_HIDE
);
4102 GetClientRect (window
, &rect
);
4103 select_palette (f
, hdc
);
4104 w32_clear_rect (f
, hdc
, &rect
);
4105 deselect_palette (f
, hdc
);
4107 ReleaseDC (window
, hdc
);
4112 /* The main W32 event-reading loop - w32_read_socket. */
4114 /* Record the last 100 characters stored
4115 to help debug the loss-of-chars-during-GC problem. */
4117 static int temp_index
;
4118 static short temp_buffer
[100];
4121 /* Read events coming from the W32 shell.
4122 This routine is called by the SIGIO handler.
4123 We return as soon as there are no more events to be read.
4125 Events representing keys are stored in buffer BUFP,
4126 which can hold up to NUMCHARS characters.
4127 We return the number of characters stored into the buffer,
4128 thus pretending to be `read'.
4130 EXPECTED is nonzero if the caller knows input is available.
4132 Some of these messages are reposted back to the message queue since the
4133 system calls the windows proc directly in a context where we cannot return
4134 the data nor can we guarantee the state we are in. So if we dispatch them
4135 we will get into an infinite loop. To prevent this from ever happening we
4136 will set a variable to indicate we are in the read_socket call and indicate
4137 which message we are processing since the windows proc gets called
4138 recursively with different messages by the system.
4142 w32_read_socket (bufp
, numchars
, expected
)
4143 /* register */ struct input_event
*bufp
;
4144 /* register */ int numchars
;
4148 int check_visibility
= 0;
4151 struct w32_display_info
*dpyinfo
= &one_w32_display_info
;
4153 if (interrupt_input_blocked
)
4155 interrupt_input_pending
= 1;
4159 interrupt_input_pending
= 0;
4162 /* So people can tell when we have read the available input. */
4163 input_signal_count
++;
4166 abort (); /* Don't think this happens. */
4168 /* TODO: tool-bars, ghostscript integration, mouse
4170 while (get_next_msg (&msg
, FALSE
))
4172 switch (msg
.msg
.message
)
4175 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4179 if (msg
.rect
.right
== msg
.rect
.left
||
4180 msg
.rect
.bottom
== msg
.rect
.top
)
4182 /* We may get paint messages even though the client
4183 area is clipped - these are not expose events. */
4184 DebPrint (("clipped frame %p (%s) got WM_PAINT - ignored\n", f
,
4187 else if (f
->async_visible
!= 1)
4189 /* Definitely not obscured, so mark as visible. */
4190 f
->async_visible
= 1;
4191 f
->async_iconified
= 0;
4192 SET_FRAME_GARBAGED (f
);
4193 DebPrint (("frame %p (%s) reexposed by WM_PAINT\n", f
,
4196 /* WM_PAINT serves as MapNotify as well, so report
4197 visibility changes properly. */
4200 bufp
->kind
= DEICONIFY_EVENT
;
4201 XSETFRAME (bufp
->frame_or_window
, f
);
4207 else if (! NILP (Vframe_list
)
4208 && ! NILP (XCDR (Vframe_list
)))
4209 /* Force a redisplay sooner or later to update the
4210 frame titles in case this is the second frame. */
4211 record_asynch_buffer_change ();
4215 HDC hdc
= get_frame_dc (f
);
4217 /* Erase background again for safety. */
4218 w32_clear_rect (f
, hdc
, &msg
.rect
);
4219 release_frame_dc (f
, hdc
);
4223 msg
.rect
.right
- msg
.rect
.left
,
4224 msg
.rect
.bottom
- msg
.rect
.top
);
4229 case WM_INPUTLANGCHANGE
:
4230 /* Generate a language change event. */
4231 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4238 bufp
->kind
= LANGUAGE_CHANGE_EVENT
;
4239 XSETFRAME (bufp
->frame_or_window
, f
);
4241 bufp
->code
= msg
.msg
.wParam
;
4242 bufp
->modifiers
= msg
.msg
.lParam
& 0xffff;
4251 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4253 if (f
&& !f
->iconified
)
4255 if (!dpyinfo
->mouse_face_hidden
&& INTEGERP (Vmouse_highlight
))
4257 dpyinfo
->mouse_face_hidden
= 1;
4258 clear_mouse_face (dpyinfo
);
4261 if (temp_index
== sizeof temp_buffer
/ sizeof (short))
4263 temp_buffer
[temp_index
++] = msg
.msg
.wParam
;
4264 bufp
->kind
= NON_ASCII_KEYSTROKE_EVENT
;
4265 bufp
->code
= msg
.msg
.wParam
;
4266 bufp
->modifiers
= msg
.dwModifiers
;
4267 XSETFRAME (bufp
->frame_or_window
, f
);
4269 bufp
->timestamp
= msg
.msg
.time
;
4278 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4280 if (f
&& !f
->iconified
)
4282 if (!dpyinfo
->mouse_face_hidden
&& INTEGERP (Vmouse_highlight
))
4284 dpyinfo
->mouse_face_hidden
= 1;
4285 clear_mouse_face (dpyinfo
);
4288 if (temp_index
== sizeof temp_buffer
/ sizeof (short))
4290 temp_buffer
[temp_index
++] = msg
.msg
.wParam
;
4291 bufp
->kind
= ASCII_KEYSTROKE_EVENT
;
4292 bufp
->code
= msg
.msg
.wParam
;
4293 bufp
->modifiers
= msg
.dwModifiers
;
4294 XSETFRAME (bufp
->frame_or_window
, f
);
4296 bufp
->timestamp
= msg
.msg
.time
;
4304 /* Ignore non-movement. */
4306 int x
= LOWORD (msg
.msg
.lParam
);
4307 int y
= HIWORD (msg
.msg
.lParam
);
4308 if (x
== last_mousemove_x
&& y
== last_mousemove_y
)
4310 last_mousemove_x
= x
;
4311 last_mousemove_y
= y
;
4314 previous_help_echo_string
= help_echo_string
;
4316 if (dpyinfo
->grabbed
&& last_mouse_frame
4317 && FRAME_LIVE_P (last_mouse_frame
))
4318 f
= last_mouse_frame
;
4320 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4322 if (dpyinfo
->mouse_face_hidden
)
4324 dpyinfo
->mouse_face_hidden
= 0;
4325 clear_mouse_face (dpyinfo
);
4330 /* Generate SELECT_WINDOW_EVENTs when needed. */
4331 if (mouse_autoselect_window
)
4334 int x
= LOWORD (msg
.msg
.lParam
);
4335 int y
= HIWORD (msg
.msg
.lParam
);
4337 window
= window_from_coordinates (f
, x
, y
, 0, 0, 0, 0);
4339 /* Window will be selected only when it is not
4340 selected now and last mouse movement event was
4341 not in it. Minibuffer window will be selected
4342 iff it is active. */
4344 && !EQ (window
, last_window
)
4345 && !EQ (window
, selected_window
)
4348 bufp
->kind
= SELECT_WINDOW_EVENT
;
4349 bufp
->frame_or_window
= window
;
4351 ++bufp
, ++count
, --numchars
;
4356 note_mouse_movement (f
, &msg
.msg
);
4360 /* If we move outside the frame, then we're
4361 certainly no longer on any text in the frame. */
4362 clear_mouse_face (dpyinfo
);
4365 /* If the contents of the global variable help_echo_string
4366 has changed, generate a HELP_EVENT. */
4367 if (help_echo_string
!= previous_help_echo_string
||
4368 (!NILP (help_echo_string
) && !STRINGP (help_echo_string
) && f
->mouse_moved
))
4373 if (help_echo_string
== Qnil
)
4375 help_echo_object
= help_echo_window
= Qnil
;
4380 XSETFRAME (frame
, f
);
4384 any_help_event_p
= 1;
4385 n
= gen_help_event (bufp
, numchars
, help_echo_string
, frame
,
4386 help_echo_window
, help_echo_object
,
4388 bufp
+= n
, count
+= n
, numchars
-= n
;
4392 case WM_LBUTTONDOWN
:
4394 case WM_MBUTTONDOWN
:
4396 case WM_RBUTTONDOWN
:
4398 case WM_XBUTTONDOWN
:
4401 /* If we decide we want to generate an event to be seen
4402 by the rest of Emacs, we put it here. */
4403 struct input_event emacs_event
;
4408 emacs_event
.kind
= NO_EVENT
;
4410 if (dpyinfo
->grabbed
&& last_mouse_frame
4411 && FRAME_LIVE_P (last_mouse_frame
))
4412 f
= last_mouse_frame
;
4414 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4418 construct_mouse_click (&emacs_event
, &msg
, f
);
4420 /* Is this in the tool-bar? */
4421 if (WINDOWP (f
->tool_bar_window
)
4422 && WINDOW_TOTAL_LINES (XWINDOW (f
->tool_bar_window
)))
4425 int x
= XFASTINT (emacs_event
.x
);
4426 int y
= XFASTINT (emacs_event
.y
);
4428 window
= window_from_coordinates (f
, x
, y
, 0, 0, 0, 1);
4430 if (EQ (window
, f
->tool_bar_window
))
4432 w32_handle_tool_bar_click (f
, &emacs_event
);
4438 if (!dpyinfo
->w32_focus_frame
4439 || f
== dpyinfo
->w32_focus_frame
4442 construct_mouse_click (bufp
, &msg
, f
);
4449 parse_button (msg
.msg
.message
, HIWORD (msg
.msg
.wParam
),
4454 dpyinfo
->grabbed
&= ~ (1 << button
);
4458 dpyinfo
->grabbed
|= (1 << button
);
4459 last_mouse_frame
= f
;
4460 /* Ignore any mouse motion that happened
4461 before this event; any subsequent mouse-movement
4462 Emacs events should reflect only motion after
4468 last_tool_bar_item
= -1;
4475 if (dpyinfo
->grabbed
&& last_mouse_frame
4476 && FRAME_LIVE_P (last_mouse_frame
))
4477 f
= last_mouse_frame
;
4479 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4484 if ((!dpyinfo
->w32_focus_frame
4485 || f
== dpyinfo
->w32_focus_frame
)
4488 /* Emit an Emacs wheel-up/down event. */
4489 construct_mouse_wheel (bufp
, &msg
, f
);
4494 /* Ignore any mouse motion that happened before this
4495 event; any subsequent mouse-movement Emacs events
4496 should reflect only motion after the
4500 last_mouse_frame
= f
;
4501 last_tool_bar_item
= -1;
4506 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4510 construct_drag_n_drop (bufp
, &msg
, f
);
4519 struct scroll_bar
*bar
=
4520 x_window_to_scroll_bar ((HWND
)msg
.msg
.lParam
);
4522 if (bar
&& numchars
>= 1)
4524 if (w32_scroll_bar_handle_click (bar
, &msg
, bufp
))
4534 case WM_WINDOWPOSCHANGED
:
4535 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4538 if (f
->want_fullscreen
& FULLSCREEN_WAIT
)
4539 f
->want_fullscreen
&= ~(FULLSCREEN_WAIT
|FULLSCREEN_BOTH
);
4541 check_visibility
= 1;
4545 case WM_ACTIVATEAPP
:
4546 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4548 x_check_fullscreen (f
);
4549 check_visibility
= 1;
4553 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4555 if (f
&& !f
->async_iconified
)
4559 x_real_positions (f
, &x
, &y
);
4564 check_visibility
= 1;
4568 /* wParam non-zero means Window is about to be shown, 0 means
4569 about to be hidden. */
4570 /* Redo the mouse-highlight after the tooltip has gone. */
4571 if (!msg
.msg
.wParam
&& msg
.msg
.hwnd
== tip_window
)
4574 redo_mouse_highlight ();
4577 /* If window has been obscured or exposed by another window
4578 being maximised or minimised/restored, then recheck
4579 visibility of all frames. Direct changes to our own
4580 windows get handled by WM_SIZE. */
4582 if (msg
.msg
.lParam
!= 0)
4583 check_visibility
= 1;
4586 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4587 f
->async_visible
= msg
.msg
.wParam
;
4591 check_visibility
= 1;
4595 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4597 /* Inform lisp of whether frame has been iconified etc. */
4600 switch (msg
.msg
.wParam
)
4602 case SIZE_MINIMIZED
:
4603 f
->async_visible
= 0;
4604 f
->async_iconified
= 1;
4606 bufp
->kind
= ICONIFY_EVENT
;
4607 XSETFRAME (bufp
->frame_or_window
, f
);
4614 case SIZE_MAXIMIZED
:
4616 f
->async_visible
= 1;
4617 f
->async_iconified
= 0;
4619 /* wait_reading_process_input will notice this and update
4620 the frame's display structures. */
4621 SET_FRAME_GARBAGED (f
);
4627 /* Reset top and left positions of the Window
4628 here since Windows sends a WM_MOVE message
4629 BEFORE telling us the Window is minimized
4630 when the Window is iconified, with 3000,3000
4632 x_real_positions (f
, &x
, &y
);
4636 bufp
->kind
= DEICONIFY_EVENT
;
4637 XSETFRAME (bufp
->frame_or_window
, f
);
4643 else if (! NILP (Vframe_list
)
4644 && ! NILP (XCDR (Vframe_list
)))
4645 /* Force a redisplay sooner or later
4646 to update the frame titles
4647 in case this is the second frame. */
4648 record_asynch_buffer_change ();
4653 if (f
&& !f
->async_iconified
&& msg
.msg
.wParam
!= SIZE_MINIMIZED
)
4661 GetClientRect (msg
.msg
.hwnd
, &rect
);
4663 height
= rect
.bottom
- rect
.top
;
4664 width
= rect
.right
- rect
.left
;
4666 rows
= FRAME_PIXEL_HEIGHT_TO_TEXT_LINES (f
, height
);
4667 columns
= FRAME_PIXEL_WIDTH_TO_TEXT_COLS (f
, width
);
4669 /* TODO: Clip size to the screen dimensions. */
4671 /* Even if the number of character rows and columns has
4672 not changed, the font size may have changed, so we need
4673 to check the pixel dimensions as well. */
4675 if (columns
!= FRAME_COLS (f
)
4676 || rows
!= FRAME_LINES (f
)
4677 || width
!= FRAME_PIXEL_WIDTH (f
)
4678 || height
!= FRAME_PIXEL_HEIGHT (f
))
4680 change_frame_size (f
, rows
, columns
, 0, 1, 0);
4681 SET_FRAME_GARBAGED (f
);
4682 cancel_mouse_face (f
);
4683 FRAME_PIXEL_WIDTH (f
) = width
;
4684 FRAME_PIXEL_HEIGHT (f
) = height
;
4685 f
->win_gravity
= NorthWestGravity
;
4689 check_visibility
= 1;
4693 f
= x_any_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4696 if (f
== dpyinfo
->mouse_face_mouse_frame
)
4698 /* If we move outside the frame, then we're
4699 certainly no longer on any text in the frame. */
4700 clear_mouse_face (dpyinfo
);
4701 dpyinfo
->mouse_face_mouse_frame
= 0;
4704 /* Generate a nil HELP_EVENT to cancel a help-echo.
4705 Do it only if there's something to cancel.
4706 Otherwise, the startup message is cleared when
4707 the mouse leaves the frame. */
4708 if (any_help_event_p
)
4713 XSETFRAME (frame
, f
);
4714 help_echo_string
= Qnil
;
4715 n
= gen_help_event (bufp
, numchars
,
4716 Qnil
, frame
, Qnil
, Qnil
, 0);
4717 bufp
+= n
, count
+= n
, numchars
-= n
;
4723 /* TODO: Port this change:
4724 2002-06-28 Jan D. <jan.h.d@swipnet.se>
4725 * xterm.h (struct x_output): Add focus_state.
4726 * xterm.c (x_focus_changed): New function.
4727 (x_detect_focus_change): New function.
4728 (XTread_socket): Call x_detect_focus_change for FocusIn/FocusOut
4729 EnterNotify and LeaveNotify to track X focus changes.
4731 f
= x_any_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4733 dpyinfo
->w32_focus_event_frame
= f
;
4736 x_new_focus_frame (dpyinfo
, f
);
4739 dpyinfo
->grabbed
= 0;
4740 check_visibility
= 1;
4744 /* TODO: some of this belongs in MOUSE_LEAVE */
4745 f
= x_top_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4749 if (f
== dpyinfo
->w32_focus_event_frame
)
4750 dpyinfo
->w32_focus_event_frame
= 0;
4752 if (f
== dpyinfo
->w32_focus_frame
)
4753 x_new_focus_frame (dpyinfo
, 0);
4755 if (f
== dpyinfo
->mouse_face_mouse_frame
)
4757 /* If we move outside the frame, then we're
4758 certainly no longer on any text in the frame. */
4759 clear_mouse_face (dpyinfo
);
4760 dpyinfo
->mouse_face_mouse_frame
= 0;
4763 /* Generate a nil HELP_EVENT to cancel a help-echo.
4764 Do it only if there's something to cancel.
4765 Otherwise, the startup message is cleared when
4766 the mouse leaves the frame. */
4767 if (any_help_event_p
)
4772 XSETFRAME (frame
, f
);
4773 help_echo_string
= Qnil
;
4774 n
= gen_help_event (bufp
, numchars
,
4775 Qnil
, frame
, Qnil
, Qnil
, 0);
4776 bufp
+= n
, count
+= n
, numchars
-=n
;
4780 dpyinfo
->grabbed
= 0;
4781 check_visibility
= 1;
4785 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4792 bufp
->kind
= DELETE_WINDOW_EVENT
;
4793 XSETFRAME (bufp
->frame_or_window
, f
);
4802 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4809 bufp
->kind
= MENU_BAR_ACTIVATE_EVENT
;
4810 XSETFRAME (bufp
->frame_or_window
, f
);
4819 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4823 extern void menubar_selection_callback
4824 (FRAME_PTR f
, void * client_data
);
4825 menubar_selection_callback (f
, (void *)msg
.msg
.wParam
);
4828 check_visibility
= 1;
4831 case WM_DISPLAYCHANGE
:
4832 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4836 dpyinfo
->width
= (short) LOWORD (msg
.msg
.lParam
);
4837 dpyinfo
->height
= (short) HIWORD (msg
.msg
.lParam
);
4838 dpyinfo
->n_cbits
= msg
.msg
.wParam
;
4839 DebPrint (("display change: %d %d\n", dpyinfo
->width
,
4843 check_visibility
= 1;
4847 /* Check for messages registered at runtime. */
4848 if (msg
.msg
.message
== msh_mousewheel
)
4850 /* Forward MSH_MOUSEWHEEL as WM_MOUSEWHEEL. */
4851 msg
.msg
.message
= WM_MOUSEWHEEL
;
4858 /* If the focus was just given to an autoraising frame,
4860 /* ??? This ought to be able to handle more than one such frame. */
4861 if (pending_autoraise_frame
)
4863 x_raise_frame (pending_autoraise_frame
);
4864 pending_autoraise_frame
= 0;
4867 /* Check which frames are still visisble, if we have enqueued any user
4868 events or been notified of events that may affect visibility. We
4869 do this here because there doesn't seem to be any direct
4870 notification from Windows that the visibility of a window has
4871 changed (at least, not in all cases). */
4872 if (count
> 0 || check_visibility
)
4874 Lisp_Object tail
, frame
;
4876 FOR_EACH_FRAME (tail
, frame
)
4878 FRAME_PTR f
= XFRAME (frame
);
4879 /* The tooltip has been drawn already. Avoid the
4880 SET_FRAME_GARBAGED below. */
4881 if (EQ (frame
, tip_frame
))
4884 /* Check "visible" frames and mark each as obscured or not.
4885 Note that async_visible is nonzero for unobscured and
4886 obscured frames, but zero for hidden and iconified frames. */
4887 if (FRAME_W32_P (f
) && f
->async_visible
)
4893 /* Query clipping rectangle for the entire window area
4894 (GetWindowDC), not just the client portion (GetDC).
4895 Otherwise, the scrollbars and menubar aren't counted as
4896 part of the visible area of the frame, and we may think
4897 the frame is obscured when really a scrollbar is still
4898 visible and gets WM_PAINT messages above. */
4899 hdc
= GetWindowDC (FRAME_W32_WINDOW (f
));
4900 GetClipBox (hdc
, &clipbox
);
4901 ReleaseDC (FRAME_W32_WINDOW (f
), hdc
);
4904 if (clipbox
.right
== clipbox
.left
4905 || clipbox
.bottom
== clipbox
.top
)
4907 /* Frame has become completely obscured so mark as
4908 such (we do this by setting async_visible to 2 so
4909 that FRAME_VISIBLE_P is still true, but redisplay
4911 f
->async_visible
= 2;
4913 if (!FRAME_OBSCURED_P (f
))
4915 DebPrint (("frame %p (%s) obscured\n", f
,
4921 /* Frame is not obscured, so mark it as such. */
4922 f
->async_visible
= 1;
4924 if (FRAME_OBSCURED_P (f
))
4926 SET_FRAME_GARBAGED (f
);
4927 DebPrint (("obscured frame %p (%s) found to be visible\n", f
,
4930 /* Force a redisplay sooner or later. */
4931 record_asynch_buffer_change ();
4945 /***********************************************************************
4947 ***********************************************************************/
4949 /* Set clipping for output in glyph row ROW. W is the window in which
4950 we operate. GC is the graphics context to set clipping in.
4952 ROW may be a text row or, e.g., a mode line. Text rows must be
4953 clipped to the interior of the window dedicated to text display,
4954 mode lines must be clipped to the whole window. */
4957 w32_clip_to_row (w
, row
, hdc
)
4959 struct glyph_row
*row
;
4962 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
4964 int window_y
, window_width
;
4966 window_box (w
, -1, 0, &window_y
, &window_width
, 0);
4968 clip_rect
.left
= WINDOW_TO_FRAME_PIXEL_X (w
, 0);
4969 clip_rect
.top
= WINDOW_TO_FRAME_PIXEL_Y (w
, row
->y
);
4970 clip_rect
.top
= max (clip_rect
.top
, window_y
);
4971 clip_rect
.right
= clip_rect
.left
+ window_width
;
4972 clip_rect
.bottom
= clip_rect
.top
+ row
->visible_height
;
4974 w32_set_clip_rectangle (hdc
, &clip_rect
);
4978 /* Draw a hollow box cursor on window W in glyph row ROW. */
4981 x_draw_hollow_cursor (w
, row
)
4983 struct glyph_row
*row
;
4985 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
4989 struct glyph
*cursor_glyph
;
4990 HBRUSH hb
= CreateSolidBrush (f
->output_data
.w32
->cursor_pixel
);
4992 /* Compute frame-relative coordinates from window-relative
4994 rect
.left
= WINDOW_TEXT_TO_FRAME_PIXEL_X (w
, w
->phys_cursor
.x
);
4995 rect
.top
= (WINDOW_TO_FRAME_PIXEL_Y (w
, w
->phys_cursor
.y
)
4996 + row
->ascent
- w
->phys_cursor_ascent
);
4997 rect
.bottom
= rect
.top
+ row
->height
;
4999 /* Get the glyph the cursor is on. If we can't tell because
5000 the current matrix is invalid or such, give up. */
5001 cursor_glyph
= get_phys_cursor_glyph (w
);
5002 if (cursor_glyph
== NULL
)
5005 /* Compute the width of the rectangle to draw. If on a stretch
5006 glyph, and `x-stretch-block-cursor' is nil, don't draw a
5007 rectangle as wide as the glyph, but use a canonical character
5009 wd
= cursor_glyph
->pixel_width
;
5010 if (cursor_glyph
->type
== STRETCH_GLYPH
5011 && !x_stretch_cursor_p
)
5012 wd
= min (FRAME_COLUMN_WIDTH (f
), wd
);
5013 w
->phys_cursor_width
= wd
;
5015 rect
.right
= rect
.left
+ wd
;
5016 hdc
= get_frame_dc (f
);
5017 /* Set clipping, draw the rectangle, and reset clipping again. */
5018 w32_clip_to_row (w
, row
, hdc
);
5019 FrameRect (hdc
, &rect
, hb
);
5021 w32_set_clip_rectangle (hdc
, NULL
);
5022 release_frame_dc (f
, hdc
);
5026 /* Draw a bar cursor on window W in glyph row ROW.
5028 Implementation note: One would like to draw a bar cursor with an
5029 angle equal to the one given by the font property XA_ITALIC_ANGLE.
5030 Unfortunately, I didn't find a font yet that has this property set.
5034 x_draw_bar_cursor (w
, row
, width
, kind
)
5036 struct glyph_row
*row
;
5038 enum text_cursor_kinds kind
;
5040 struct frame
*f
= XFRAME (w
->frame
);
5041 struct glyph
*cursor_glyph
;
5045 /* If cursor is out of bounds, don't draw garbage. This can happen
5046 in mini-buffer windows when switching between echo area glyphs
5048 cursor_glyph
= get_phys_cursor_glyph (w
);
5049 if (cursor_glyph
== NULL
)
5052 /* If on an image, draw like a normal cursor. That's usually better
5053 visible than drawing a bar, esp. if the image is large so that
5054 the bar might not be in the window. */
5055 if (cursor_glyph
->type
== IMAGE_GLYPH
)
5057 struct glyph_row
*row
;
5058 row
= MATRIX_ROW (w
->current_matrix
, w
->phys_cursor
.vpos
);
5059 draw_phys_cursor_glyph (w
, row
, DRAW_CURSOR
);
5063 COLORREF cursor_color
= f
->output_data
.w32
->cursor_pixel
;
5064 struct face
*face
= FACE_FROM_ID (f
, cursor_glyph
->face_id
);
5066 /* If the glyph's background equals the color we normally draw
5067 the bar cursor in, the bar cursor in its normal color is
5068 invisible. Use the glyph's foreground color instead in this
5069 case, on the assumption that the glyph's colors are chosen so
5070 that the glyph is legible. */
5071 if (face
->background
== cursor_color
)
5072 cursor_color
= face
->foreground
;
5074 x
= WINDOW_TEXT_TO_FRAME_PIXEL_X (w
, w
->phys_cursor
.x
);
5077 width
= FRAME_CURSOR_WIDTH (f
);
5078 width
= min (cursor_glyph
->pixel_width
, width
);
5080 w
->phys_cursor_width
= width
;
5083 hdc
= get_frame_dc (f
);
5084 w32_clip_to_row (w
, row
, hdc
);
5086 if (kind
== BAR_CURSOR
)
5088 w32_fill_area (f
, hdc
, cursor_color
, x
,
5089 WINDOW_TO_FRAME_PIXEL_Y (w
, w
->phys_cursor
.y
),
5090 width
, row
->height
);
5094 w32_fill_area (f
, hdc
, cursor_color
, x
,
5095 WINDOW_TO_FRAME_PIXEL_Y (w
, w
->phys_cursor
.y
+
5096 row
->height
- width
),
5097 cursor_glyph
->pixel_width
, width
);
5100 w32_set_clip_rectangle (hdc
, NULL
);
5101 release_frame_dc (f
, hdc
);
5106 /* RIF: Define cursor CURSOR on frame F. */
5109 w32_define_frame_cursor (f
, cursor
)
5113 w32_define_cursor (FRAME_W32_WINDOW (f
), cursor
);
5117 /* RIF: Clear area on frame F. */
5120 w32_clear_frame_area (f
, x
, y
, width
, height
)
5122 int x
, y
, width
, height
;
5126 hdc
= get_frame_dc (f
);
5127 w32_clear_area (f
, hdc
, x
, y
, width
, height
);
5128 release_frame_dc (f
, hdc
);
5131 /* RIF: Draw or clear cursor on window W. */
5134 w32_draw_window_cursor (w
, glyph_row
, x
, y
, cursor_type
, cursor_width
, on_p
, active_p
)
5136 struct glyph_row
*glyph_row
;
5138 int cursor_type
, cursor_width
;
5143 /* If the user wants to use the system caret, make sure our own
5144 cursor remains invisible. */
5145 if (w32_use_visible_system_caret
)
5147 if (w
->phys_cursor_type
!= NO_CURSOR
)
5148 erase_phys_cursor (w
);
5150 cursor_type
= w
->phys_cursor_type
= NO_CURSOR
;
5151 w
->phys_cursor_width
= -1;
5155 w
->phys_cursor_type
= cursor_type
;
5158 w
->phys_cursor_on_p
= 1;
5160 /* If this is the active cursor, we need to track it with the
5161 system caret, so third party software like screen magnifiers
5162 and speech synthesizers can follow the cursor. */
5165 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
5166 HWND hwnd
= FRAME_W32_WINDOW (f
);
5169 = WINDOW_TEXT_TO_FRAME_PIXEL_X (w
, w
->phys_cursor
.x
);
5171 = (WINDOW_TO_FRAME_PIXEL_Y (w
, w
->phys_cursor
.y
)
5172 + glyph_row
->ascent
- w
->phys_cursor_ascent
);
5174 /* If the size of the active cursor changed, destroy the old
5176 if (w32_system_caret_hwnd
5177 && (w32_system_caret_height
!= w
->phys_cursor_height
))
5178 PostMessage (hwnd
, WM_EMACS_DESTROY_CARET
, 0, 0);
5180 w32_system_caret_height
= w
->phys_cursor_height
;
5182 /* Move the system caret. */
5183 PostMessage (hwnd
, WM_EMACS_TRACK_CARET
, 0, 0);
5186 if (glyph_row
->exact_window_width_line_p
5187 && w
->phys_cursor
.hpos
>= glyph_row
->used
[TEXT_AREA
])
5189 glyph_row
->cursor_in_fringe_p
= 1;
5190 draw_fringe_bitmap (w
, glyph_row
, 0);
5194 switch (cursor_type
)
5196 case HOLLOW_BOX_CURSOR
:
5197 x_draw_hollow_cursor (w
, glyph_row
);
5200 case FILLED_BOX_CURSOR
:
5201 draw_phys_cursor_glyph (w
, glyph_row
, DRAW_CURSOR
);
5205 x_draw_bar_cursor (w
, glyph_row
, cursor_width
, BAR_CURSOR
);
5209 x_draw_bar_cursor (w
, glyph_row
, cursor_width
, HBAR_CURSOR
);
5213 w
->phys_cursor_width
= 0;
5227 x_bitmap_icon (f
, icon
)
5233 if (FRAME_W32_WINDOW (f
) == 0)
5237 hicon
= LoadIcon (hinst
, EMACS_CLASS
);
5238 else if (STRINGP (icon
))
5239 hicon
= LoadImage (NULL
, (LPCTSTR
) SDATA (icon
), IMAGE_ICON
, 0, 0,
5240 LR_DEFAULTSIZE
| LR_LOADFROMFILE
);
5241 else if (SYMBOLP (icon
))
5245 if (EQ (icon
, intern ("application")))
5246 name
= (LPCTSTR
) IDI_APPLICATION
;
5247 else if (EQ (icon
, intern ("hand")))
5248 name
= (LPCTSTR
) IDI_HAND
;
5249 else if (EQ (icon
, intern ("question")))
5250 name
= (LPCTSTR
) IDI_QUESTION
;
5251 else if (EQ (icon
, intern ("exclamation")))
5252 name
= (LPCTSTR
) IDI_EXCLAMATION
;
5253 else if (EQ (icon
, intern ("asterisk")))
5254 name
= (LPCTSTR
) IDI_ASTERISK
;
5255 else if (EQ (icon
, intern ("winlogo")))
5256 name
= (LPCTSTR
) IDI_WINLOGO
;
5260 hicon
= LoadIcon (NULL
, name
);
5268 PostMessage (FRAME_W32_WINDOW (f
), WM_SETICON
, (WPARAM
) ICON_BIG
,
5275 /************************************************************************
5277 ************************************************************************/
5279 /* Display Error Handling functions not used on W32. Listing them here
5280 helps diff stay in step when comparing w32term.c with xterm.c.
5282 x_error_catcher (display, error)
5283 x_catch_errors (dpy)
5284 x_catch_errors_unwind (old_val)
5285 x_check_errors (dpy, format)
5286 x_had_errors_p (dpy)
5287 x_clear_errors (dpy)
5288 x_uncatch_errors (dpy, count)
5290 x_connection_signal (signalnum)
5291 x_connection_closed (dpy, error_message)
5292 x_error_quitter (display, error)
5293 x_error_handler (display, error)
5294 x_io_error_quitter (display)
5299 /* Changing the font of the frame. */
5301 /* Give frame F the font named FONTNAME as its default font, and
5302 return the full name of that font. FONTNAME may be a wildcard
5303 pattern; in that case, we choose some font that fits the pattern.
5304 The return value shows which font we chose. */
5307 x_new_font (f
, fontname
)
5309 register char *fontname
;
5311 struct font_info
*fontp
5312 = FS_LOAD_FONT (f
, 0, fontname
, -1);
5317 FRAME_FONT (f
) = (XFontStruct
*) (fontp
->font
);
5318 FRAME_BASELINE_OFFSET (f
) = fontp
->baseline_offset
;
5319 FRAME_FONTSET (f
) = -1;
5321 FRAME_COLUMN_WIDTH (f
) = FONT_WIDTH (FRAME_FONT (f
));
5322 FRAME_LINE_HEIGHT (f
) = FONT_HEIGHT (FRAME_FONT (f
));
5324 compute_fringe_widths (f
, 1);
5326 /* Compute the scroll bar width in character columns. */
5327 if (FRAME_CONFIG_SCROLL_BAR_WIDTH (f
) > 0)
5329 int wid
= FRAME_COLUMN_WIDTH (f
);
5330 FRAME_CONFIG_SCROLL_BAR_COLS (f
)
5331 = (FRAME_CONFIG_SCROLL_BAR_WIDTH (f
) + wid
-1) / wid
;
5335 int wid
= FRAME_COLUMN_WIDTH (f
);
5336 FRAME_CONFIG_SCROLL_BAR_COLS (f
) = (14 + wid
- 1) / wid
;
5339 /* Now make the frame display the given font. */
5340 if (FRAME_W32_WINDOW (f
) != 0)
5342 if (NILP (tip_frame
) || XFRAME (tip_frame
) != f
)
5343 x_set_window_size (f
, 0, FRAME_COLS (f
), FRAME_LINES (f
));
5346 return build_string (fontp
->full_name
);
5349 /* Give frame F the fontset named FONTSETNAME as its default font, and
5350 return the full name of that fontset. FONTSETNAME may be a wildcard
5351 pattern; in that case, we choose some fontset that fits the pattern.
5352 The return value shows which fontset we chose. */
5355 x_new_fontset (f
, fontsetname
)
5359 int fontset
= fs_query_fontset (build_string (fontsetname
), 0);
5365 if (FRAME_FONTSET (f
) == fontset
)
5366 /* This fontset is already set in frame F. There's nothing more
5368 return fontset_name (fontset
);
5370 result
= x_new_font (f
, (SDATA (fontset_ascii (fontset
))));
5372 if (!STRINGP (result
))
5373 /* Can't load ASCII font. */
5376 /* Since x_new_font doesn't update any fontset information, do it now. */
5377 FRAME_FONTSET(f
) = fontset
;
5379 return build_string (fontsetname
);
5383 /***********************************************************************
5384 TODO: W32 Input Methods
5385 ***********************************************************************/
5386 /* Listing missing functions from xterm.c helps diff stay in step.
5388 xim_destroy_callback (xim, client_data, call_data)
5389 xim_open_dpy (dpyinfo, resource_name)
5391 xim_instantiate_callback (display, client_data, call_data)
5392 xim_initialize (dpyinfo, resource_name)
5393 xim_close_dpy (dpyinfo)
5398 /* Calculate the absolute position in frame F
5399 from its current recorded position values and gravity. */
5402 x_calc_absolute_position (f
)
5406 int flags
= f
->size_hint_flags
;
5410 /* Find the position of the outside upper-left corner of
5411 the inner window, with respect to the outer window.
5412 But do this only if we will need the results. */
5413 if (f
->output_data
.w32
->parent_desc
!= FRAME_W32_DISPLAY_INFO (f
)->root_window
)
5416 MapWindowPoints (FRAME_W32_WINDOW (f
),
5417 f
->output_data
.w32
->parent_desc
,
5424 rt
.left
= rt
.right
= rt
.top
= rt
.bottom
= 0;
5427 AdjustWindowRect(&rt
, f
->output_data
.w32
->dwStyle
,
5428 FRAME_EXTERNAL_MENU_BAR (f
));
5431 pt
.x
+= (rt
.right
- rt
.left
);
5432 pt
.y
+= (rt
.bottom
- rt
.top
);
5435 /* Treat negative positions as relative to the leftmost bottommost
5436 position that fits on the screen. */
5437 if (flags
& XNegative
)
5438 f
->left_pos
= (FRAME_W32_DISPLAY_INFO (f
)->width
5439 - 2 * f
->border_width
- pt
.x
5440 - FRAME_PIXEL_WIDTH (f
)
5443 if (flags
& YNegative
)
5444 f
->top_pos
= (FRAME_W32_DISPLAY_INFO (f
)->height
5445 - 2 * f
->border_width
- pt
.y
5446 - FRAME_PIXEL_HEIGHT (f
)
5448 /* The left_pos and top_pos
5449 are now relative to the top and left screen edges,
5450 so the flags should correspond. */
5451 f
->size_hint_flags
&= ~ (XNegative
| YNegative
);
5454 /* CHANGE_GRAVITY is 1 when calling from Fset_frame_position,
5455 to really change the position, and 0 when calling from
5456 x_make_frame_visible (in that case, XOFF and YOFF are the current
5457 position values). It is -1 when calling from x_set_frame_parameters,
5458 which means, do adjust for borders but don't change the gravity. */
5461 x_set_offset (f
, xoff
, yoff
, change_gravity
)
5463 register int xoff
, yoff
;
5466 int modified_top
, modified_left
;
5468 if (change_gravity
> 0)
5472 f
->size_hint_flags
&= ~ (XNegative
| YNegative
);
5474 f
->size_hint_flags
|= XNegative
;
5476 f
->size_hint_flags
|= YNegative
;
5477 f
->win_gravity
= NorthWestGravity
;
5479 x_calc_absolute_position (f
);
5482 x_wm_set_size_hint (f
, (long) 0, 0);
5484 modified_left
= f
->left_pos
;
5485 modified_top
= f
->top_pos
;
5487 my_set_window_pos (FRAME_W32_WINDOW (f
),
5489 modified_left
, modified_top
,
5491 SWP_NOZORDER
| SWP_NOSIZE
| SWP_NOACTIVATE
);
5496 /* Check if we need to resize the frame due to a fullscreen request.
5497 If so needed, resize the frame. */
5499 x_check_fullscreen (f
)
5502 if (f
->want_fullscreen
& FULLSCREEN_BOTH
)
5504 int width
, height
, ign
;
5506 x_real_positions (f
, &f
->left_pos
, &f
->top_pos
);
5508 x_fullscreen_adjust (f
, &width
, &height
, &ign
, &ign
);
5510 /* We do not need to move the window, it shall be taken care of
5511 when setting WM manager hints. */
5512 if (FRAME_COLS (f
) != width
|| FRAME_LINES (f
) != height
)
5514 change_frame_size (f
, height
, width
, 0, 1, 0);
5515 SET_FRAME_GARBAGED (f
);
5516 cancel_mouse_face (f
);
5518 /* Wait for the change of frame size to occur */
5519 f
->want_fullscreen
|= FULLSCREEN_WAIT
;
5524 /* Call this to change the size of frame F's x-window.
5525 If CHANGE_GRAVITY is 1, we change to top-left-corner window gravity
5526 for this size change and subsequent size changes.
5527 Otherwise we leave the window gravity unchanged. */
5530 x_set_window_size (f
, change_gravity
, cols
, rows
)
5535 int pixelwidth
, pixelheight
;
5539 check_frame_size (f
, &rows
, &cols
);
5540 f
->scroll_bar_actual_width
5541 = FRAME_SCROLL_BAR_COLS (f
) * FRAME_COLUMN_WIDTH (f
);
5543 compute_fringe_widths (f
, 0);
5545 pixelwidth
= FRAME_TEXT_COLS_TO_PIXEL_WIDTH (f
, cols
);
5546 pixelheight
= FRAME_TEXT_LINES_TO_PIXEL_HEIGHT (f
, rows
);
5548 f
->win_gravity
= NorthWestGravity
;
5549 x_wm_set_size_hint (f
, (long) 0, 0);
5554 rect
.left
= rect
.top
= 0;
5555 rect
.right
= pixelwidth
;
5556 rect
.bottom
= pixelheight
;
5558 AdjustWindowRect(&rect
, f
->output_data
.w32
->dwStyle
,
5559 FRAME_EXTERNAL_MENU_BAR (f
));
5561 my_set_window_pos (FRAME_W32_WINDOW (f
),
5564 rect
.right
- rect
.left
,
5565 rect
.bottom
- rect
.top
,
5566 SWP_NOZORDER
| SWP_NOMOVE
| SWP_NOACTIVATE
);
5569 /* Now, strictly speaking, we can't be sure that this is accurate,
5570 but the window manager will get around to dealing with the size
5571 change request eventually, and we'll hear how it went when the
5572 ConfigureNotify event gets here.
5574 We could just not bother storing any of this information here,
5575 and let the ConfigureNotify event set everything up, but that
5576 might be kind of confusing to the Lisp code, since size changes
5577 wouldn't be reported in the frame parameters until some random
5578 point in the future when the ConfigureNotify event arrives.
5580 We pass 1 for DELAY since we can't run Lisp code inside of
5582 change_frame_size (f
, rows
, cols
, 0, 1, 0);
5583 FRAME_PIXEL_WIDTH (f
) = pixelwidth
;
5584 FRAME_PIXEL_HEIGHT (f
) = pixelheight
;
5586 /* We've set {FRAME,PIXEL}_{WIDTH,HEIGHT} to the values we hope to
5587 receive in the ConfigureNotify event; if we get what we asked
5588 for, then the event won't cause the screen to become garbaged, so
5589 we have to make sure to do it here. */
5590 SET_FRAME_GARBAGED (f
);
5592 /* If cursor was outside the new size, mark it as off. */
5593 mark_window_cursors_off (XWINDOW (f
->root_window
));
5595 /* Clear out any recollection of where the mouse highlighting was,
5596 since it might be in a place that's outside the new frame size.
5597 Actually checking whether it is outside is a pain in the neck,
5598 so don't try--just let the highlighting be done afresh with new size. */
5599 cancel_mouse_face (f
);
5604 /* Mouse warping. */
5606 void x_set_mouse_pixel_position (struct frame
*f
, int pix_x
, int pix_y
);
5609 x_set_mouse_position (f
, x
, y
)
5615 pix_x
= FRAME_COL_TO_PIXEL_X (f
, x
) + FRAME_COLUMN_WIDTH (f
) / 2;
5616 pix_y
= FRAME_LINE_TO_PIXEL_Y (f
, y
) + FRAME_LINE_HEIGHT (f
) / 2;
5618 if (pix_x
< 0) pix_x
= 0;
5619 if (pix_x
> FRAME_PIXEL_WIDTH (f
)) pix_x
= FRAME_PIXEL_WIDTH (f
);
5621 if (pix_y
< 0) pix_y
= 0;
5622 if (pix_y
> FRAME_PIXEL_HEIGHT (f
)) pix_y
= FRAME_PIXEL_HEIGHT (f
);
5624 x_set_mouse_pixel_position (f
, pix_x
, pix_y
);
5628 x_set_mouse_pixel_position (f
, pix_x
, pix_y
)
5637 GetClientRect (FRAME_W32_WINDOW (f
), &rect
);
5638 pt
.x
= rect
.left
+ pix_x
;
5639 pt
.y
= rect
.top
+ pix_y
;
5640 ClientToScreen (FRAME_W32_WINDOW (f
), &pt
);
5642 SetCursorPos (pt
.x
, pt
.y
);
5648 /* focus shifting, raising and lowering. */
5651 x_focus_on_frame (f
)
5654 struct w32_display_info
*dpyinfo
= &one_w32_display_info
;
5656 /* Give input focus to frame. */
5659 /* Try not to change its Z-order if possible. */
5660 if (x_window_to_frame (dpyinfo
, GetForegroundWindow ()))
5661 my_set_focus (f
, FRAME_W32_WINDOW (f
));
5664 my_set_foreground_window (FRAME_W32_WINDOW (f
));
5674 /* Raise frame F. */
5681 /* Strictly speaking, raise-frame should only change the frame's Z
5682 order, leaving input focus unchanged. This is reasonable behaviour
5683 on X where the usual policy is point-to-focus. However, this
5684 behaviour would be very odd on Windows where the usual policy is
5687 On X, if the mouse happens to be over the raised frame, it gets
5688 input focus anyway (so the window with focus will never be
5689 completely obscured) - if not, then just moving the mouse over it
5690 is sufficient to give it focus. On Windows, the user must actually
5691 click on the frame (preferrably the title bar so as not to move
5692 point), which is more awkward. Also, no other Windows program
5693 raises a window to the top but leaves another window (possibly now
5694 completely obscured) with input focus.
5696 Because there is a system setting on Windows that allows the user
5697 to choose the point to focus policy, we make the strict semantics
5698 optional, but by default we grab focus when raising. */
5700 if (NILP (Vw32_grab_focus_on_raise
))
5702 /* The obvious call to my_set_window_pos doesn't work if Emacs is
5703 not already the foreground application: the frame is raised
5704 above all other frames belonging to us, but not above the
5705 current top window. To achieve that, we have to resort to this
5706 more cumbersome method. */
5708 HDWP handle
= BeginDeferWindowPos (2);
5711 DeferWindowPos (handle
,
5712 FRAME_W32_WINDOW (f
),
5715 SWP_NOSIZE
| SWP_NOMOVE
| SWP_NOACTIVATE
);
5717 DeferWindowPos (handle
,
5718 GetForegroundWindow (),
5719 FRAME_W32_WINDOW (f
),
5721 SWP_NOSIZE
| SWP_NOMOVE
| SWP_NOACTIVATE
);
5723 EndDeferWindowPos (handle
);
5728 my_set_foreground_window (FRAME_W32_WINDOW (f
));
5734 /* Lower frame F. */
5740 my_set_window_pos (FRAME_W32_WINDOW (f
),
5743 SWP_NOSIZE
| SWP_NOMOVE
| SWP_NOACTIVATE
);
5748 w32_frame_raise_lower (f
, raise_flag
)
5752 if (! FRAME_W32_P (f
))
5761 /* Change of visibility. */
5763 /* This tries to wait until the frame is really visible.
5764 However, if the window manager asks the user where to position
5765 the frame, this will return before the user finishes doing that.
5766 The frame will not actually be visible at that time,
5767 but it will become visible later when the window manager
5768 finishes with it. */
5771 x_make_frame_visible (f
)
5778 type
= x_icon_type (f
);
5780 x_bitmap_icon (f
, type
);
5782 if (! FRAME_VISIBLE_P (f
))
5784 /* We test FRAME_GARBAGED_P here to make sure we don't
5785 call x_set_offset a second time
5786 if we get to x_make_frame_visible a second time
5787 before the window gets really visible. */
5788 if (! FRAME_ICONIFIED_P (f
)
5789 && ! f
->output_data
.w32
->asked_for_visible
)
5790 x_set_offset (f
, f
->left_pos
, f
->top_pos
, 0);
5792 f
->output_data
.w32
->asked_for_visible
= 1;
5794 /* my_show_window (f, FRAME_W32_WINDOW (f), f->async_iconified ? SW_RESTORE : SW_SHOW); */
5795 my_show_window (f
, FRAME_W32_WINDOW (f
), SW_SHOWNORMAL
);
5798 /* Synchronize to ensure Emacs knows the frame is visible
5799 before we do anything else. We do this loop with input not blocked
5800 so that incoming events are handled. */
5805 /* This must come after we set COUNT. */
5808 XSETFRAME (frame
, f
);
5810 /* Wait until the frame is visible. Process X events until a
5811 MapNotify event has been seen, or until we think we won't get a
5812 MapNotify at all.. */
5813 for (count
= input_signal_count
+ 10;
5814 input_signal_count
< count
&& !FRAME_VISIBLE_P (f
);)
5816 /* Force processing of queued events. */
5817 /* TODO: x_sync equivalent? */
5819 /* Machines that do polling rather than SIGIO have been observed
5820 to go into a busy-wait here. So we'll fake an alarm signal
5821 to let the handler know that there's something to be read.
5822 We used to raise a real alarm, but it seems that the handler
5823 isn't always enabled here. This is probably a bug. */
5824 if (input_polling_used ())
5826 /* It could be confusing if a real alarm arrives while processing
5827 the fake one. Turn it off and let the handler reset it. */
5828 int old_poll_suppress_count
= poll_suppress_count
;
5829 poll_suppress_count
= 1;
5830 poll_for_input_1 ();
5831 poll_suppress_count
= old_poll_suppress_count
;
5834 FRAME_SAMPLE_VISIBILITY (f
);
5838 /* Change from mapped state to withdrawn state. */
5840 /* Make the frame visible (mapped and not iconified). */
5842 x_make_frame_invisible (f
)
5845 /* Don't keep the highlight on an invisible frame. */
5846 if (FRAME_W32_DISPLAY_INFO (f
)->x_highlight_frame
== f
)
5847 FRAME_W32_DISPLAY_INFO (f
)->x_highlight_frame
= 0;
5851 my_show_window (f
, FRAME_W32_WINDOW (f
), SW_HIDE
);
5853 /* We can't distinguish this from iconification
5854 just by the event that we get from the server.
5855 So we can't win using the usual strategy of letting
5856 FRAME_SAMPLE_VISIBILITY set this. So do it by hand,
5857 and synchronize with the server to make sure we agree. */
5859 FRAME_ICONIFIED_P (f
) = 0;
5860 f
->async_visible
= 0;
5861 f
->async_iconified
= 0;
5866 /* Change window state from mapped to iconified. */
5874 /* Don't keep the highlight on an invisible frame. */
5875 if (FRAME_W32_DISPLAY_INFO (f
)->x_highlight_frame
== f
)
5876 FRAME_W32_DISPLAY_INFO (f
)->x_highlight_frame
= 0;
5878 if (f
->async_iconified
)
5883 type
= x_icon_type (f
);
5885 x_bitmap_icon (f
, type
);
5887 /* Simulate the user minimizing the frame. */
5888 SendMessage (FRAME_W32_WINDOW (f
), WM_SYSCOMMAND
, SC_MINIMIZE
, 0);
5894 /* Free X resources of frame F. */
5897 x_free_frame_resources (f
)
5900 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
5904 if (FRAME_W32_WINDOW (f
))
5905 my_destroy_window (f
, FRAME_W32_WINDOW (f
));
5907 free_frame_menubar (f
);
5909 unload_color (f
, f
->output_data
.x
->foreground_pixel
);
5910 unload_color (f
, f
->output_data
.x
->background_pixel
);
5911 unload_color (f
, f
->output_data
.w32
->cursor_pixel
);
5912 unload_color (f
, f
->output_data
.w32
->cursor_foreground_pixel
);
5913 unload_color (f
, f
->output_data
.w32
->border_pixel
);
5914 unload_color (f
, f
->output_data
.w32
->mouse_pixel
);
5915 if (f
->output_data
.w32
->white_relief
.allocated_p
)
5916 unload_color (f
, f
->output_data
.w32
->white_relief
.pixel
);
5917 if (f
->output_data
.w32
->black_relief
.allocated_p
)
5918 unload_color (f
, f
->output_data
.w32
->black_relief
.pixel
);
5920 if (FRAME_FACE_CACHE (f
))
5921 free_frame_faces (f
);
5923 xfree (f
->output_data
.w32
);
5924 f
->output_data
.w32
= NULL
;
5926 if (f
== dpyinfo
->w32_focus_frame
)
5927 dpyinfo
->w32_focus_frame
= 0;
5928 if (f
== dpyinfo
->w32_focus_event_frame
)
5929 dpyinfo
->w32_focus_event_frame
= 0;
5930 if (f
== dpyinfo
->x_highlight_frame
)
5931 dpyinfo
->x_highlight_frame
= 0;
5933 if (f
== dpyinfo
->mouse_face_mouse_frame
)
5935 dpyinfo
->mouse_face_beg_row
5936 = dpyinfo
->mouse_face_beg_col
= -1;
5937 dpyinfo
->mouse_face_end_row
5938 = dpyinfo
->mouse_face_end_col
= -1;
5939 dpyinfo
->mouse_face_window
= Qnil
;
5940 dpyinfo
->mouse_face_deferred_gc
= 0;
5941 dpyinfo
->mouse_face_mouse_frame
= 0;
5948 /* Destroy the window of frame F. */
5950 x_destroy_window (f
)
5953 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
5955 x_free_frame_resources (f
);
5957 dpyinfo
->reference_count
--;
5961 /* Setting window manager hints. */
5963 /* Set the normal size hints for the window manager, for frame F.
5964 FLAGS is the flags word to use--or 0 meaning preserve the flags
5965 that the window now has.
5966 If USER_POSITION is nonzero, we set the USPosition
5967 flag (this is useful when FLAGS is 0). */
5969 x_wm_set_size_hint (f
, flags
, user_position
)
5974 Window window
= FRAME_W32_WINDOW (f
);
5978 SetWindowLong (window
, WND_FONTWIDTH_INDEX
, FRAME_COLUMN_WIDTH (f
));
5979 SetWindowLong (window
, WND_LINEHEIGHT_INDEX
, FRAME_LINE_HEIGHT (f
));
5980 SetWindowLong (window
, WND_BORDER_INDEX
, FRAME_INTERNAL_BORDER_WIDTH (f
));
5981 SetWindowLong (window
, WND_SCROLLBAR_INDEX
, f
->scroll_bar_actual_width
);
5986 /* Window manager things */
5988 x_wm_set_icon_position (f
, icon_x
, icon_y
)
5993 Window window
= FRAME_W32_WINDOW (f
);
5995 f
->display
.x
->wm_hints
.flags
|= IconPositionHint
;
5996 f
->display
.x
->wm_hints
.icon_x
= icon_x
;
5997 f
->display
.x
->wm_hints
.icon_y
= icon_y
;
5999 XSetWMHints (FRAME_X_DISPLAY (f
), window
, &f
->display
.x
->wm_hints
);
6004 /***********************************************************************
6006 ***********************************************************************/
6008 /* The following functions are listed here to help diff stay in step
6009 with xterm.c. See w32fns.c for definitions.
6011 x_get_font_info (f, font_idx)
6012 x_list_fonts (f, pattern, size, maxnames)
6018 /* Check that FONT is valid on frame F. It is if it can be found in F's
6022 x_check_font (f
, font
)
6027 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
6029 xassert (font
!= NULL
);
6031 for (i
= 0; i
< dpyinfo
->n_fonts
; i
++)
6032 if (dpyinfo
->font_table
[i
].name
6033 && font
== dpyinfo
->font_table
[i
].font
)
6036 xassert (i
< dpyinfo
->n_fonts
);
6039 #endif /* GLYPH_DEBUG != 0 */
6041 /* Set *W to the minimum width, *H to the minimum font height of FONT.
6042 Note: There are (broken) X fonts out there with invalid XFontStruct
6043 min_bounds contents. For example, handa@etl.go.jp reports that
6044 "-adobe-courier-medium-r-normal--*-180-*-*-m-*-iso8859-1" fonts
6045 have font->min_bounds.width == 0. */
6048 x_font_min_bounds (font
, w
, h
)
6053 * TODO: Windows does not appear to offer min bound, only
6054 * average and maximum width, and maximum height.
6056 *h
= FONT_HEIGHT (font
);
6057 *w
= FONT_WIDTH (font
);
6061 /* Compute the smallest character width and smallest font height over
6062 all fonts available on frame F. Set the members smallest_char_width
6063 and smallest_font_height in F's x_display_info structure to
6064 the values computed. Value is non-zero if smallest_font_height or
6065 smallest_char_width become smaller than they were before. */
6068 x_compute_min_glyph_bounds (f
)
6072 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
6074 int old_width
= dpyinfo
->smallest_char_width
;
6075 int old_height
= dpyinfo
->smallest_font_height
;
6077 dpyinfo
->smallest_font_height
= 100000;
6078 dpyinfo
->smallest_char_width
= 100000;
6080 for (i
= 0; i
< dpyinfo
->n_fonts
; ++i
)
6081 if (dpyinfo
->font_table
[i
].name
)
6083 struct font_info
*fontp
= dpyinfo
->font_table
+ i
;
6086 font
= (XFontStruct
*) fontp
->font
;
6087 xassert (font
!= (XFontStruct
*) ~0);
6088 x_font_min_bounds (font
, &w
, &h
);
6090 dpyinfo
->smallest_font_height
= min (dpyinfo
->smallest_font_height
, h
);
6091 dpyinfo
->smallest_char_width
= min (dpyinfo
->smallest_char_width
, w
);
6094 xassert (dpyinfo
->smallest_char_width
> 0
6095 && dpyinfo
->smallest_font_height
> 0);
6097 return (dpyinfo
->n_fonts
== 1
6098 || dpyinfo
->smallest_char_width
< old_width
6099 || dpyinfo
->smallest_font_height
< old_height
);
6102 /* The following functions are listed here to help diff stay in step
6103 with xterm.c. See w32fns.c for definitions.
6105 x_load_font (f, fontname, size)
6106 x_query_font (f, fontname)
6107 x_find_ccl_program (fontp)
6111 /***********************************************************************
6113 ***********************************************************************/
6115 static int w32_initialized
= 0;
6118 w32_initialize_display_info (display_name
)
6119 Lisp_Object display_name
;
6121 struct w32_display_info
*dpyinfo
= &one_w32_display_info
;
6123 bzero (dpyinfo
, sizeof (*dpyinfo
));
6125 /* Put it on w32_display_name_list. */
6126 w32_display_name_list
= Fcons (Fcons (display_name
, Qnil
),
6127 w32_display_name_list
);
6128 dpyinfo
->name_list_element
= XCAR (w32_display_name_list
);
6130 dpyinfo
->w32_id_name
6131 = (char *) xmalloc (SCHARS (Vinvocation_name
)
6132 + SCHARS (Vsystem_name
)
6134 sprintf (dpyinfo
->w32_id_name
, "%s@%s",
6135 SDATA (Vinvocation_name
), SDATA (Vsystem_name
));
6137 /* Default Console mode values - overridden when running in GUI mode
6138 with values obtained from system metrics. */
6141 dpyinfo
->height_in
= 1;
6142 dpyinfo
->width_in
= 1;
6143 dpyinfo
->n_planes
= 1;
6144 dpyinfo
->n_cbits
= 4;
6145 dpyinfo
->n_fonts
= 0;
6146 dpyinfo
->smallest_font_height
= 1;
6147 dpyinfo
->smallest_char_width
= 1;
6149 dpyinfo
->mouse_face_beg_row
= dpyinfo
->mouse_face_beg_col
= -1;
6150 dpyinfo
->mouse_face_end_row
= dpyinfo
->mouse_face_end_col
= -1;
6151 dpyinfo
->mouse_face_face_id
= DEFAULT_FACE_ID
;
6152 dpyinfo
->mouse_face_window
= Qnil
;
6153 dpyinfo
->mouse_face_overlay
= Qnil
;
6154 dpyinfo
->mouse_face_hidden
= 0;
6156 dpyinfo
->vertical_scroll_bar_cursor
= w32_load_cursor (IDC_ARROW
);
6157 /* TODO: dpyinfo->gray */
6161 /* Create an xrdb-style database of resources to supercede registry settings.
6162 The database is just a concatenation of C strings, finished by an additional
6163 \0. The string are submitted to some basic normalization, so
6165 [ *]option[ *]:[ *]value...
6171 but any whitespace following value is not removed. */
6174 w32_make_rdb (xrm_option
)
6177 char *buffer
= xmalloc (strlen (xrm_option
) + 2);
6178 char *current
= buffer
;
6181 int before_value
= 0;
6195 if (in_option
&& (ch
== ':'))
6200 else if (before_value
)
6205 else if (!(in_option
|| before_value
))
6216 struct w32_display_info
*
6217 w32_term_init (display_name
, xrm_option
, resource_name
)
6218 Lisp_Object display_name
;
6220 char *resource_name
;
6222 struct w32_display_info
*dpyinfo
;
6227 if (!w32_initialized
)
6230 w32_initialized
= 1;
6233 w32_initialize_display_info (display_name
);
6235 dpyinfo
= &one_w32_display_info
;
6237 dpyinfo
->xrdb
= xrm_option
? w32_make_rdb (xrm_option
) : NULL
;
6239 /* Put this display on the chain. */
6240 dpyinfo
->next
= x_display_list
;
6241 x_display_list
= dpyinfo
;
6243 hdc
= GetDC (GetDesktopWindow ());
6245 dpyinfo
->height
= GetDeviceCaps (hdc
, VERTRES
);
6246 dpyinfo
->width
= GetDeviceCaps (hdc
, HORZRES
);
6247 dpyinfo
->root_window
= GetDesktopWindow ();
6248 dpyinfo
->n_planes
= GetDeviceCaps (hdc
, PLANES
);
6249 dpyinfo
->n_cbits
= GetDeviceCaps (hdc
, BITSPIXEL
);
6250 dpyinfo
->resx
= GetDeviceCaps (hdc
, LOGPIXELSX
);
6251 dpyinfo
->resy
= GetDeviceCaps (hdc
, LOGPIXELSY
);
6252 dpyinfo
->has_palette
= GetDeviceCaps (hdc
, RASTERCAPS
) & RC_PALETTE
;
6253 dpyinfo
->image_cache
= make_image_cache ();
6254 dpyinfo
->height_in
= dpyinfo
->height
/ dpyinfo
->resx
;
6255 dpyinfo
->width_in
= dpyinfo
->width
/ dpyinfo
->resy
;
6256 ReleaseDC (GetDesktopWindow (), hdc
);
6258 /* initialise palette with white and black */
6261 w32_defined_color (0, "white", &color
, 1);
6262 w32_defined_color (0, "black", &color
, 1);
6265 /* Create Fringe Bitmaps and store them for later use.
6267 On W32, bitmaps are all unsigned short, as Windows requires
6268 bitmap data to be Word aligned. For some reason they are
6269 horizontally reflected compared to how they appear on X, so we
6270 need to bitswap and convert to unsigned shorts before creating
6274 #ifndef F_SETOWN_BUG
6276 #ifdef F_SETOWN_SOCK_NEG
6277 /* stdin is a socket here */
6278 fcntl (connection
, F_SETOWN
, -getpid ());
6279 #else /* ! defined (F_SETOWN_SOCK_NEG) */
6280 fcntl (connection
, F_SETOWN
, getpid ());
6281 #endif /* ! defined (F_SETOWN_SOCK_NEG) */
6282 #endif /* ! defined (F_SETOWN) */
6283 #endif /* F_SETOWN_BUG */
6286 if (interrupt_input
)
6287 init_sigio (connection
);
6288 #endif /* ! defined (SIGIO) */
6295 /* Get rid of display DPYINFO, assuming all frames are already gone. */
6298 x_delete_display (dpyinfo
)
6299 struct w32_display_info
*dpyinfo
;
6301 /* Discard this display from w32_display_name_list and w32_display_list.
6302 We can't use Fdelq because that can quit. */
6303 if (! NILP (w32_display_name_list
)
6304 && EQ (XCAR (w32_display_name_list
), dpyinfo
->name_list_element
))
6305 w32_display_name_list
= XCDR (w32_display_name_list
);
6310 tail
= w32_display_name_list
;
6311 while (CONSP (tail
) && CONSP (XCDR (tail
)))
6313 if (EQ (XCAR (XCDR (tail
)), dpyinfo
->name_list_element
))
6315 XSETCDR (tail
, XCDR (XCDR (tail
)));
6322 /* free palette table */
6324 struct w32_palette_entry
* plist
;
6326 plist
= dpyinfo
->color_list
;
6329 struct w32_palette_entry
* pentry
= plist
;
6330 plist
= plist
->next
;
6333 dpyinfo
->color_list
= NULL
;
6334 if (dpyinfo
->palette
)
6335 DeleteObject(dpyinfo
->palette
);
6337 xfree (dpyinfo
->font_table
);
6338 xfree (dpyinfo
->w32_id_name
);
6340 w32_reset_fringes ();
6343 /* Set up use of W32. */
6345 DWORD
w32_msg_worker ();
6348 x_flush (struct frame
* f
)
6349 { /* Nothing to do */ }
6351 extern frame_parm_handler w32_frame_parm_handlers
[];
6353 static struct redisplay_interface w32_redisplay_interface
=
6355 w32_frame_parm_handlers
,
6359 x_clear_end_of_line
,
6361 x_after_update_window_line
,
6362 x_update_window_begin
,
6363 x_update_window_end
,
6366 0, /* flush_display_optional */
6367 x_clear_window_mouse_face
,
6368 w32_get_glyph_overhangs
,
6369 x_fix_overlapping_area
,
6370 w32_draw_fringe_bitmap
,
6371 w32_define_fringe_bitmap
,
6372 w32_destroy_fringe_bitmap
,
6373 w32_per_char_metric
,
6375 NULL
, /* w32_compute_glyph_string_overhangs */
6376 x_draw_glyph_string
,
6377 w32_define_frame_cursor
,
6378 w32_clear_frame_area
,
6379 w32_draw_window_cursor
,
6380 w32_draw_vertical_window_border
,
6381 w32_shift_glyphs_for_insert
6387 rif
= &w32_redisplay_interface
;
6389 /* MSVC does not type K&R functions with no arguments correctly, and
6390 so we must explicitly cast them. */
6391 clear_frame_hook
= (void (*)(void)) x_clear_frame
;
6392 ring_bell_hook
= (void (*)(void)) w32_ring_bell
;
6393 update_begin_hook
= x_update_begin
;
6394 update_end_hook
= x_update_end
;
6396 read_socket_hook
= w32_read_socket
;
6398 frame_up_to_date_hook
= w32_frame_up_to_date
;
6400 mouse_position_hook
= w32_mouse_position
;
6401 frame_rehighlight_hook
= w32_frame_rehighlight
;
6402 frame_raise_lower_hook
= w32_frame_raise_lower
;
6403 set_vertical_scroll_bar_hook
= w32_set_vertical_scroll_bar
;
6404 condemn_scroll_bars_hook
= w32_condemn_scroll_bars
;
6405 redeem_scroll_bar_hook
= w32_redeem_scroll_bar
;
6406 judge_scroll_bars_hook
= w32_judge_scroll_bars
;
6408 TTY_SCROLL_REGION_OK (CURTTY ()) = 1; /* we'll scroll partial frames */
6409 TTY_CHAR_INS_DEL_OK (CURTTY ()) = 1;
6410 TTY_LINE_INS_DEL_OK (CURTTY ()) = 1; /* we'll just blt 'em */
6411 TTY_FAST_CLEAR_END_OF_LINE (CURTTY ()) = 1; /* X does this well */
6412 TTY_MEMORY_BELOW_FRAME (CURTTY ()) = 0; /* we don't remember what
6417 w32_system_caret_hwnd
= NULL
;
6418 w32_system_caret_height
= 0;
6419 w32_system_caret_x
= 0;
6420 w32_system_caret_y
= 0;
6422 last_tool_bar_item
= -1;
6423 any_help_event_p
= 0;
6425 /* Initialize input mode: interrupt_input off, no flow control, allow
6426 8 bit character input, standard quit char. */
6427 Fset_input_mode (Qnil
, Qnil
, make_number (2), Qnil
);
6429 /* Create the window thread - it will terminate itself or when the app terminates */
6433 dwMainThreadId
= GetCurrentThreadId ();
6434 DuplicateHandle (GetCurrentProcess (), GetCurrentThread (),
6435 GetCurrentProcess (), &hMainThread
, 0, TRUE
, DUPLICATE_SAME_ACCESS
);
6437 /* Wait for thread to start */
6442 PeekMessage (&msg
, NULL
, 0, 0, PM_NOREMOVE
);
6444 hWindowsThread
= CreateThread (NULL
, 0,
6445 (LPTHREAD_START_ROUTINE
) w32_msg_worker
,
6446 0, 0, &dwWindowsThreadId
);
6448 GetMessage (&msg
, NULL
, WM_EMACS_DONE
, WM_EMACS_DONE
);
6451 /* It is desirable that mainThread should have the same notion of
6452 focus window and active window as windowsThread. Unfortunately, the
6453 following call to AttachThreadInput, which should do precisely what
6454 we need, causes major problems when Emacs is linked as a console
6455 program. Unfortunately, we have good reasons for doing that, so
6456 instead we need to send messages to windowsThread to make some API
6457 calls for us (ones that affect, or depend on, the active/focus
6459 #ifdef ATTACH_THREADS
6460 AttachThreadInput (dwMainThreadId
, dwWindowsThreadId
, TRUE
);
6463 /* Dynamically link to optional system components. */
6465 HANDLE user_lib
= LoadLibrary ("user32.dll");
6467 #define LOAD_PROC(fn) pfn##fn = (void *) GetProcAddress (user_lib, #fn)
6469 /* New proportional scroll bar functions. */
6470 LOAD_PROC (SetScrollInfo
);
6471 LOAD_PROC (GetScrollInfo
);
6475 FreeLibrary (user_lib
);
6477 /* If using proportional scroll bars, ensure handle is at least 5 pixels;
6478 otherwise use the fixed height. */
6479 vertical_scroll_bar_min_handle
= (pfnSetScrollInfo
!= NULL
) ? 5 :
6480 GetSystemMetrics (SM_CYVTHUMB
);
6482 /* For either kind of scroll bar, take account of the arrows; these
6483 effectively form the border of the main scroll bar range. */
6484 vertical_scroll_bar_top_border
= vertical_scroll_bar_bottom_border
6485 = GetSystemMetrics (SM_CYVSCROLL
);
6492 staticpro (&w32_display_name_list
);
6493 w32_display_name_list
= Qnil
;
6495 staticpro (&last_mouse_scroll_bar
);
6496 last_mouse_scroll_bar
= Qnil
;
6498 staticpro (&Qvendor_specific_keysyms
);
6499 Qvendor_specific_keysyms
= intern ("vendor-specific-keysyms");
6501 DEFVAR_INT ("w32-num-mouse-buttons",
6502 &Vw32_num_mouse_buttons
,
6503 doc
: /* Number of physical mouse buttons. */);
6504 Vw32_num_mouse_buttons
= Qnil
;
6506 DEFVAR_LISP ("w32-swap-mouse-buttons",
6507 &Vw32_swap_mouse_buttons
,
6508 doc
: /* Swap the mapping of middle and right mouse buttons.
6509 When nil, middle button is mouse-2 and right button is mouse-3. */);
6510 Vw32_swap_mouse_buttons
= Qnil
;
6512 DEFVAR_LISP ("w32-grab-focus-on-raise",
6513 &Vw32_grab_focus_on_raise
,
6514 doc
: /* Raised frame grabs input focus.
6515 When t, `raise-frame' grabs input focus as well. This fits well
6516 with the normal Windows click-to-focus policy, but might not be
6517 desirable when using a point-to-focus policy. */);
6518 Vw32_grab_focus_on_raise
= Qt
;
6520 DEFVAR_LISP ("w32-capslock-is-shiftlock",
6521 &Vw32_capslock_is_shiftlock
,
6522 doc
: /* Apply CapsLock state to non character input keys.
6523 When nil, CapsLock only affects normal character input keys. */);
6524 Vw32_capslock_is_shiftlock
= Qnil
;
6526 DEFVAR_LISP ("w32-recognize-altgr",
6527 &Vw32_recognize_altgr
,
6528 doc
: /* Recognize right-alt and left-ctrl as AltGr.
6529 When nil, the right-alt and left-ctrl key combination is
6530 interpreted normally. */);
6531 Vw32_recognize_altgr
= Qt
;
6533 DEFVAR_BOOL ("w32-enable-unicode-output",
6534 &w32_enable_unicode_output
,
6535 doc
: /* Enable the use of Unicode for text output if non-nil.
6536 Unicode output may prevent some third party applications for displaying
6537 Far-East Languages on Windows 95/98 from working properly.
6538 NT uses Unicode internally anyway, so this flag will probably have no
6539 affect on NT machines. */);
6540 w32_enable_unicode_output
= 1;
6542 DEFVAR_BOOL ("w32-use-visible-system-caret",
6543 &w32_use_visible_system_caret
,
6544 doc
: /* Flag to make the system caret visible.
6545 When this is non-nil, Emacs will indicate the position of point by
6546 using the system caret instead of drawing its own cursor. Some screen
6547 reader software does not track the system cursor properly when it is
6548 invisible, and gets confused by Emacs drawing its own cursor, so this
6549 variable is initialized to t when Emacs detects that screen reader
6550 software is running as it starts up.
6552 When this variable is set, other variables affecting the appearance of
6553 the cursor have no effect. */);
6555 /* Initialize w32_use_visible_system_caret based on whether a screen
6556 reader is in use. */
6557 if (!SystemParametersInfo (SPI_GETSCREENREADER
, 0,
6558 &w32_use_visible_system_caret
, 0))
6559 w32_use_visible_system_caret
= 0;
6561 DEFVAR_LISP ("x-toolkit-scroll-bars", &Vx_toolkit_scroll_bars
,
6562 doc
: /* If not nil, Emacs uses toolkit scroll bars. */);
6563 Vx_toolkit_scroll_bars
= Qt
;
6565 staticpro (&last_mouse_motion_frame
);
6566 last_mouse_motion_frame
= Qnil
;
6569 /* arch-tag: 5fa70624-ab86-499c-8a85-473958ee4646
6570 (do not change this comment) */