1 /* Implementation of GUI terminal on the Microsoft W32 API.
2 Copyright (C) 1989, 1993, 1994, 1995, 1996, 1997, 1998,
3 1999, 2000, 2001, 2002, 2003, 2004, 2005,
4 2006, 2007 Free Software Foundation, Inc.
6 This file is part of GNU Emacs.
8 GNU Emacs is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 3, or (at your option)
13 GNU Emacs is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with GNU Emacs; see the file COPYING. If not, write to
20 the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
21 Boston, MA 02110-1301, USA. */
29 #include "blockinput.h"
48 #include "dispextern.h"
50 #include "termhooks.h"
57 #include "intervals.h"
58 #include "composite.h"
61 #define abs(x) ((x) < 0 ? -(x) : (x))
66 static int max_fringe_bmp
= 0;
67 static HBITMAP
*fringe_bmp
= 0;
69 /* Non-nil means Emacs uses toolkit scroll bars. */
71 Lisp_Object Vx_toolkit_scroll_bars
;
73 /* Temporary variables for w32_read_socket. */
75 static int last_mousemove_x
= 0;
76 static int last_mousemove_y
= 0;
78 /* Define GET_WHEEL_DELTA_WPARAM macro if system headers don't. */
79 #ifndef GET_WHEEL_DELTA_WPARAM
80 #define GET_WHEEL_DELTA_WPARAM(wparam) ((short)HIWORD (wparam))
83 /* Non-zero means that a HELP_EVENT has been generated since Emacs
86 static int any_help_event_p
;
88 /* Last window where we saw the mouse. Used by mouse-autoselect-window. */
89 static Lisp_Object last_window
;
91 /* Non-zero means make use of UNDERLINE_POSITION font properties.
92 (Not yet supported, see TODO in x_draw_glyph_string.) */
93 int x_use_underline_position_properties
;
95 /* Non-zero means to draw the underline at the same place as the descent line. */
97 int x_underline_at_descent_line
;
99 extern unsigned int msh_mousewheel
;
101 extern void free_frame_menubar ();
103 extern int w32_codepage_for_font (char *fontname
);
104 extern Cursor
w32_load_cursor (LPCTSTR name
);
106 extern glyph_metric
*w32_BDF_TextMetric(bdffont
*fontp
,
107 unsigned char *text
, int dim
);
108 extern Lisp_Object Vwindow_system
;
110 #define x_any_window_to_frame x_window_to_frame
111 #define x_top_window_to_frame x_window_to_frame
114 /* This is display since w32 does not support multiple ones. */
115 struct w32_display_info one_w32_display_info
;
116 struct w32_display_info
*x_display_list
;
118 /* This is a list of cons cells, each of the form (NAME . FONT-LIST-CACHE),
119 one for each element of w32_display_list and in the same order.
120 NAME is the name of the frame.
121 FONT-LIST-CACHE records previous values returned by x-list-fonts. */
122 Lisp_Object w32_display_name_list
;
124 /* Frame being updated by update_frame. This is declared in term.c.
125 This is set by update_begin and looked at by all the
126 w32 functions. It is zero while not inside an update.
127 In that case, the w32 functions assume that `SELECTED_FRAME ()'
128 is the frame to apply to. */
129 extern struct frame
*updating_frame
;
131 /* This is a frame waiting to be autoraised, within w32_read_socket. */
132 struct frame
*pending_autoraise_frame
;
134 /* The handle of the frame that currently owns the system caret. */
135 HWND w32_system_caret_hwnd
;
136 int w32_system_caret_height
;
137 int w32_system_caret_x
;
138 int w32_system_caret_y
;
139 int w32_use_visible_system_caret
;
141 /* Flag to enable Unicode output in case users wish to use programs
142 like Twinbridge on '95 rather than installed system level support
143 for Far East languages. */
144 int w32_enable_unicode_output
;
146 /* Flag to enable Cleartype hack for font metrics. */
147 static int cleartype_active
;
149 DWORD dwWindowsThreadId
= 0;
150 HANDLE hWindowsThread
= NULL
;
151 DWORD dwMainThreadId
= 0;
152 HANDLE hMainThread
= NULL
;
154 int vertical_scroll_bar_min_handle
;
155 int vertical_scroll_bar_top_border
;
156 int vertical_scroll_bar_bottom_border
;
158 int last_scroll_bar_drag_pos
;
160 /* Mouse movement. */
162 /* Where the mouse was last time we reported a mouse event. */
164 static RECT last_mouse_glyph
;
165 static FRAME_PTR last_mouse_glyph_frame
;
166 static Lisp_Object last_mouse_press_frame
;
168 int w32_num_mouse_buttons
;
170 Lisp_Object Vw32_swap_mouse_buttons
;
172 /* Control whether x_raise_frame also sets input focus. */
173 Lisp_Object Vw32_grab_focus_on_raise
;
175 /* Control whether Caps Lock affects non-ascii characters. */
176 Lisp_Object Vw32_capslock_is_shiftlock
;
178 /* Control whether right-alt and left-ctrl should be recognized as AltGr. */
179 Lisp_Object Vw32_recognize_altgr
;
181 /* The scroll bar in which the last motion event occurred.
183 If the last motion event occurred in a scroll bar, we set this
184 so w32_mouse_position can know whether to report a scroll bar motion or
187 If the last motion event didn't occur in a scroll bar, we set this
188 to Qnil, to tell w32_mouse_position to return an ordinary motion event. */
189 static Lisp_Object last_mouse_scroll_bar
;
190 static int last_mouse_scroll_bar_pos
;
192 /* This is a hack. We would really prefer that w32_mouse_position would
193 return the time associated with the position it returns, but there
194 doesn't seem to be any way to wrest the time-stamp from the server
195 along with the position query. So, we just keep track of the time
196 of the last movement we received, and return that in hopes that
197 it's somewhat accurate. */
199 static Time last_mouse_movement_time
;
201 /* Incremented by w32_read_socket whenever it really tries to read
205 static int volatile input_signal_count
;
207 static int input_signal_count
;
210 extern Lisp_Object Vcommand_line_args
, Vsystem_name
;
216 /* A mask of extra modifier bits to put into every keyboard char. */
218 extern EMACS_INT extra_keyboard_modifiers
;
220 static void x_update_window_end
P_ ((struct window
*, int, int));
221 void w32_delete_display
P_ ((struct w32_display_info
*));
222 static void w32_handle_tool_bar_click
P_ ((struct frame
*,
223 struct input_event
*));
224 void w32_define_cursor
P_ ((Window
, Cursor
));
226 void x_lower_frame
P_ ((struct frame
*));
227 void x_scroll_bar_clear
P_ ((struct frame
*));
228 void x_wm_set_size_hint
P_ ((struct frame
*, long, int));
229 void x_raise_frame
P_ ((struct frame
*));
230 void x_set_window_size
P_ ((struct frame
*, int, int, int));
231 void x_wm_set_window_state
P_ ((struct frame
*, int));
232 void x_wm_set_icon_pixmap
P_ ((struct frame
*, int));
233 void w32_initialize
P_ ((void));
234 static void x_font_min_bounds
P_ ((XFontStruct
*, int *, int *));
235 int x_compute_min_glyph_bounds
P_ ((struct frame
*));
236 static void x_update_end
P_ ((struct frame
*));
237 static void w32_frame_up_to_date
P_ ((struct frame
*));
238 static void w32_set_terminal_modes
P_ ((void));
239 static void w32_reset_terminal_modes
P_ ((void));
240 static void x_clear_frame
P_ ((void));
241 static void frame_highlight
P_ ((struct frame
*));
242 static void frame_unhighlight
P_ ((struct frame
*));
243 static void x_new_focus_frame
P_ ((struct w32_display_info
*,
245 static void x_focus_changed
P_ ((int, int, struct w32_display_info
*,
246 struct frame
*, struct input_event
*));
247 static void w32_detect_focus_change
P_ ((struct w32_display_info
*,
248 W32Msg
*, struct input_event
*));
249 static void w32_frame_rehighlight
P_ ((struct frame
*));
250 static void x_frame_rehighlight
P_ ((struct w32_display_info
*));
251 static void x_draw_hollow_cursor
P_ ((struct window
*, struct glyph_row
*));
252 static void x_draw_bar_cursor
P_ ((struct window
*, struct glyph_row
*, int,
253 enum text_cursor_kinds
));
254 static void w32_clip_to_row
P_ ((struct window
*, struct glyph_row
*, int, HDC
));
255 static BOOL my_show_window
P_ ((struct frame
*, HWND
, int));
256 static void my_set_window_pos
P_ ((HWND
, HWND
, int, int, int, int, UINT
));
257 static void my_set_focus
P_ ((struct frame
*, HWND
));
258 static void my_set_foreground_window
P_ ((HWND
));
259 static void my_destroy_window
P_ ((struct frame
*, HWND
));
261 static Lisp_Object Qvendor_specific_keysyms
;
264 /***********************************************************************
266 ***********************************************************************/
270 /* This is a function useful for recording debugging information about
271 the sequence of occurrences in this file. */
279 struct record event_record
[100];
281 int event_record_index
;
283 record_event (locus
, type
)
287 if (event_record_index
== sizeof (event_record
) / sizeof (struct record
))
288 event_record_index
= 0;
290 event_record
[event_record_index
].locus
= locus
;
291 event_record
[event_record_index
].type
= type
;
292 event_record_index
++;
299 XChangeGC (void * ignore
, XGCValues
* gc
, unsigned long mask
,
302 if (mask
& GCForeground
)
303 gc
->foreground
= xgcv
->foreground
;
304 if (mask
& GCBackground
)
305 gc
->background
= xgcv
->background
;
307 gc
->font
= xgcv
->font
;
310 XGCValues
*XCreateGC (void * ignore
, Window window
, unsigned long mask
,
313 XGCValues
*gc
= (XGCValues
*) xmalloc (sizeof (XGCValues
));
314 bzero (gc
, sizeof (XGCValues
));
316 XChangeGC (ignore
, gc
, mask
, xgcv
);
322 XGetGCValues (void* ignore
, XGCValues
*gc
,
323 unsigned long mask
, XGCValues
*xgcv
)
325 XChangeGC (ignore
, xgcv
, mask
, gc
);
329 w32_set_clip_rectangle (HDC hdc
, RECT
*rect
)
333 HRGN clip_region
= CreateRectRgnIndirect (rect
);
334 SelectClipRgn (hdc
, clip_region
);
335 DeleteObject (clip_region
);
338 SelectClipRgn (hdc
, NULL
);
342 /* Draw a hollow rectangle at the specified position. */
344 w32_draw_rectangle (HDC hdc
, XGCValues
*gc
, int x
, int y
,
345 int width
, int height
)
350 hb
= CreateSolidBrush (gc
->background
);
351 hp
= CreatePen (PS_SOLID
, 0, gc
->foreground
);
352 oldhb
= SelectObject (hdc
, hb
);
353 oldhp
= SelectObject (hdc
, hp
);
355 Rectangle (hdc
, x
, y
, x
+ width
, y
+ height
);
357 SelectObject (hdc
, oldhb
);
358 SelectObject (hdc
, oldhp
);
363 /* Draw a filled rectangle at the specified position. */
365 w32_fill_rect (f
, hdc
, pix
, lprect
)
373 hb
= CreateSolidBrush (pix
);
374 FillRect (hdc
, lprect
, hb
);
383 HDC hdc
= get_frame_dc (f
);
385 /* Under certain conditions, this can be called at startup with
386 a console frame pointer before the GUI frame is created. An HDC
387 of 0 indicates this. */
390 GetClientRect (FRAME_W32_WINDOW (f
), &rect
);
391 w32_clear_rect (f
, hdc
, &rect
);
394 release_frame_dc (f
, hdc
);
398 /***********************************************************************
399 Starting and ending an update
400 ***********************************************************************/
402 /* Start an update of frame F. This function is installed as a hook
403 for update_begin, i.e. it is called when update_begin is called.
404 This function is called prior to calls to x_update_window_begin for
405 each window being updated. */
411 struct w32_display_info
*display_info
= FRAME_W32_DISPLAY_INFO (f
);
413 if (! FRAME_W32_P (f
))
416 /* Regenerate display palette before drawing if list of requested
417 colors has changed. */
418 if (display_info
->regen_palette
)
420 w32_regenerate_palette (f
);
421 display_info
->regen_palette
= FALSE
;
426 /* Start update of window W. Set the global variable updated_window
427 to the window being updated and set output_cursor to the cursor
431 x_update_window_begin (w
)
434 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
435 struct w32_display_info
*display_info
= FRAME_W32_DISPLAY_INFO (f
);
437 /* Hide the system caret during an update. */
438 if (w32_use_visible_system_caret
&& w32_system_caret_hwnd
)
440 SendMessage (w32_system_caret_hwnd
, WM_EMACS_HIDE_CARET
, 0, 0);
444 set_output_cursor (&w
->cursor
);
448 if (f
== display_info
->mouse_face_mouse_frame
)
450 /* Don't do highlighting for mouse motion during the update. */
451 display_info
->mouse_face_defer
= 1;
453 /* If F needs to be redrawn, simply forget about any prior mouse
455 if (FRAME_GARBAGED_P (f
))
456 display_info
->mouse_face_window
= Qnil
;
458 #if 0 /* Rows in a current matrix containing glyphs in mouse-face have
459 their mouse_face_p flag set, which means that they are always
460 unequal to rows in a desired matrix which never have that
461 flag set. So, rows containing mouse-face glyphs are never
462 scrolled, and we don't have to switch the mouse highlight off
463 here to prevent it from being scrolled. */
465 /* Can we tell that this update does not affect the window
466 where the mouse highlight is? If so, no need to turn off.
467 Likewise, don't do anything if the frame is garbaged;
468 in that case, the frame's current matrix that we would use
469 is all wrong, and we will redisplay that line anyway. */
470 if (!NILP (display_info
->mouse_face_window
)
471 && w
== XWINDOW (display_info
->mouse_face_window
))
475 for (i
= 0; i
< w
->desired_matrix
->nrows
; ++i
)
476 if (MATRIX_ROW_ENABLED_P (w
->desired_matrix
, i
))
479 if (i
< w
->desired_matrix
->nrows
)
480 clear_mouse_face (display_info
);
488 /* Draw a vertical window border from (x,y0) to (x,y1) */
491 w32_draw_vertical_window_border (w
, x
, y0
, y1
)
495 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
505 hdc
= get_frame_dc (f
);
506 face
= FACE_FROM_ID (f
, VERTICAL_BORDER_FACE_ID
);
508 w32_fill_rect (f
, hdc
, face
->foreground
, &r
);
510 w32_fill_rect (f
, hdc
, FRAME_FOREGROUND_PIXEL (f
), &r
);
512 release_frame_dc (f
, hdc
);
516 /* End update of window W (which is equal to updated_window).
518 Draw vertical borders between horizontally adjacent windows, and
519 display W's cursor if CURSOR_ON_P is non-zero.
521 MOUSE_FACE_OVERWRITTEN_P non-zero means that some row containing
522 glyphs in mouse-face were overwritten. In that case we have to
523 make sure that the mouse-highlight is properly redrawn.
525 W may be a menu bar pseudo-window in case we don't have X toolkit
526 support. Such windows don't have a cursor, so don't display it
530 x_update_window_end (w
, cursor_on_p
, mouse_face_overwritten_p
)
532 int cursor_on_p
, mouse_face_overwritten_p
;
534 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (XFRAME (w
->frame
));
536 if (!w
->pseudo_window_p
)
541 display_and_set_cursor (w
, 1, output_cursor
.hpos
,
543 output_cursor
.x
, output_cursor
.y
);
545 if (draw_window_fringes (w
, 1))
546 x_draw_vertical_border (w
);
551 /* If a row with mouse-face was overwritten, arrange for
552 XTframe_up_to_date to redisplay the mouse highlight. */
553 if (mouse_face_overwritten_p
)
555 dpyinfo
->mouse_face_beg_row
= dpyinfo
->mouse_face_beg_col
= -1;
556 dpyinfo
->mouse_face_end_row
= dpyinfo
->mouse_face_end_col
= -1;
557 dpyinfo
->mouse_face_window
= Qnil
;
560 /* Unhide the caret. This won't actually show the cursor, unless it
561 was visible before the corresponding call to HideCaret in
562 x_update_window_begin. */
563 if (w32_use_visible_system_caret
&& w32_system_caret_hwnd
)
565 SendMessage (w32_system_caret_hwnd
, WM_EMACS_SHOW_CARET
, 0, 0);
568 updated_window
= NULL
;
572 /* End update of frame F. This function is installed as a hook in
579 if (! FRAME_W32_P (f
))
582 /* Mouse highlight may be displayed again. */
583 FRAME_W32_DISPLAY_INFO (f
)->mouse_face_defer
= 0;
587 /* This function is called from various places in xdisp.c whenever a
588 complete update has been performed. The global variable
589 updated_window is not available here. */
592 w32_frame_up_to_date (f
)
597 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
599 if (dpyinfo
->mouse_face_deferred_gc
600 || f
== dpyinfo
->mouse_face_mouse_frame
)
603 if (dpyinfo
->mouse_face_mouse_frame
)
604 note_mouse_highlight (dpyinfo
->mouse_face_mouse_frame
,
605 dpyinfo
->mouse_face_mouse_x
,
606 dpyinfo
->mouse_face_mouse_y
);
607 dpyinfo
->mouse_face_deferred_gc
= 0;
614 /* Draw truncation mark bitmaps, continuation mark bitmaps, overlay
615 arrow bitmaps, or clear the fringes if no bitmaps are required
616 before DESIRED_ROW is made current. The window being updated is
617 found in updated_window. This function is called from
618 update_window_line only if it is known that there are differences
619 between bitmaps to be drawn between current row and DESIRED_ROW. */
622 x_after_update_window_line (desired_row
)
623 struct glyph_row
*desired_row
;
625 struct window
*w
= updated_window
;
631 if (!desired_row
->mode_line_p
&& !w
->pseudo_window_p
)
632 desired_row
->redraw_fringe_bitmaps_p
= 1;
634 /* When a window has disappeared, make sure that no rest of
635 full-width rows stays visible in the internal border. Could
636 check here if updated_window is the leftmost/rightmost window,
637 but I guess it's not worth doing since vertically split windows
638 are almost never used, internal border is rarely set, and the
639 overhead is very small. */
640 if (windows_or_buffers_changed
641 && desired_row
->full_width_p
642 && (f
= XFRAME (w
->frame
),
643 width
= FRAME_INTERNAL_BORDER_WIDTH (f
),
645 && (height
= desired_row
->visible_height
,
648 int y
= WINDOW_TO_FRAME_PIXEL_Y (w
, max (0, desired_row
->y
));
650 /* Internal border is drawn below the tool bar. */
651 if (WINDOWP (f
->tool_bar_window
)
652 && w
== XWINDOW (f
->tool_bar_window
))
657 HDC hdc
= get_frame_dc (f
);
658 w32_clear_area (f
, hdc
, 0, y
, width
, height
);
659 w32_clear_area (f
, hdc
, FRAME_PIXEL_WIDTH (f
) - width
,
661 release_frame_dc (f
, hdc
);
668 /* Draw the bitmap WHICH in one of the left or right fringes of
669 window W. ROW is the glyph row for which to display the bitmap; it
670 determines the vertical position at which the bitmap has to be
674 w32_draw_fringe_bitmap (w
, row
, p
)
676 struct glyph_row
*row
;
677 struct draw_fringe_bitmap_params
*p
;
679 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
681 struct face
*face
= p
->face
;
684 hdc
= get_frame_dc (f
);
686 /* Must clip because of partially visible lines. */
687 rowY
= WINDOW_TO_FRAME_PIXEL_Y (w
, row
->y
);
690 /* Adjust position of "bottom aligned" bitmap on partially
693 int oldVH
= row
->visible_height
;
694 row
->visible_height
= p
->h
;
695 row
->y
-= rowY
- p
->y
;
696 w32_clip_to_row (w
, row
, -1, hdc
);
698 row
->visible_height
= oldVH
;
701 w32_clip_to_row (w
, row
, -1, hdc
);
703 if (p
->bx
>= 0 && !p
->overlay_p
)
705 w32_fill_area (f
, hdc
, face
->background
,
706 p
->bx
, p
->by
, p
->nx
, p
->ny
);
709 if (p
->which
&& p
->which
< max_fringe_bmp
)
711 HBITMAP pixmap
= fringe_bmp
[p
->which
];
715 compat_hdc
= CreateCompatibleDC (hdc
);
719 horig_obj
= SelectObject (compat_hdc
, pixmap
);
721 /* Paint overlays transparently. */
724 HBRUSH h_brush
, h_orig_brush
;
726 SetTextColor (hdc
, BLACK_PIX_DEFAULT (f
));
727 SetBkColor (hdc
, WHITE_PIX_DEFAULT (f
));
728 h_brush
= CreateSolidBrush (face
->foreground
);
729 h_orig_brush
= SelectObject (hdc
, h_brush
);
731 BitBlt (hdc
, p
->x
, p
->y
, p
->wd
, p
->h
,
732 compat_hdc
, 0, p
->dh
,
734 BitBlt (hdc
, p
->x
, p
->y
, p
->wd
, p
->h
,
735 compat_hdc
, 0, p
->dh
,
737 BitBlt (hdc
, p
->x
, p
->y
, p
->wd
, p
->h
,
738 compat_hdc
, 0, p
->dh
,
741 SelectObject (hdc
, h_orig_brush
);
742 DeleteObject (h_brush
);
746 SetTextColor (hdc
, face
->background
);
747 SetBkColor (hdc
, (p
->cursor_p
748 ? f
->output_data
.w32
->cursor_pixel
749 : face
->foreground
));
751 BitBlt (hdc
, p
->x
, p
->y
, p
->wd
, p
->h
,
752 compat_hdc
, 0, p
->dh
,
756 SelectObject (compat_hdc
, horig_obj
);
757 DeleteDC (compat_hdc
);
761 w32_set_clip_rectangle (hdc
, NULL
);
763 release_frame_dc (f
, hdc
);
767 w32_define_fringe_bitmap (which
, bits
, h
, wd
)
769 unsigned short *bits
;
772 if (which
>= max_fringe_bmp
)
774 int i
= max_fringe_bmp
;
775 max_fringe_bmp
= which
+ 20;
776 fringe_bmp
= (HBITMAP
*) xrealloc (fringe_bmp
, max_fringe_bmp
* sizeof (HBITMAP
));
777 while (i
< max_fringe_bmp
)
781 fringe_bmp
[which
] = CreateBitmap (wd
, h
, 1, 1, bits
);
785 w32_destroy_fringe_bitmap (which
)
788 if (which
>= max_fringe_bmp
)
791 if (fringe_bmp
[which
])
792 DeleteObject (fringe_bmp
[which
]);
793 fringe_bmp
[which
] = 0;
798 /* This is called when starting Emacs and when restarting after
799 suspend. When starting Emacs, no window is mapped. And nothing
800 must be done to Emacs's own window if it is suspended (though that
804 w32_set_terminal_modes (void)
808 /* This is called when exiting or suspending Emacs. Exiting will make
809 the W32 windows go away, and suspending requires no action. */
812 w32_reset_terminal_modes (void)
818 /***********************************************************************
820 ***********************************************************************/
822 /* Function prototypes of this page. */
824 XCharStruct
*w32_per_char_metric
P_ ((XFontStruct
*, wchar_t *, int));
825 static int w32_encode_char
P_ ((int, wchar_t *, struct font_info
*, int *));
828 /* Get metrics of character CHAR2B in FONT. Value is always non-null.
829 If CHAR2B is not contained in FONT, the font's default character
830 metric is returned. */
833 w32_bdf_per_char_metric (font
, char2b
, dim
, pcm
)
839 glyph_metric
* bdf_metric
;
843 buf
[0] = (char)(*char2b
);
846 buf
[0] = XCHAR2B_BYTE1 (char2b
);
847 buf
[1] = XCHAR2B_BYTE2 (char2b
);
850 bdf_metric
= w32_BDF_TextMetric (font
->bdf
, buf
, dim
);
854 pcm
->width
= bdf_metric
->dwidth
;
855 pcm
->lbearing
= bdf_metric
->bbox
;
856 pcm
->rbearing
= bdf_metric
->dwidth
857 - (bdf_metric
->bbox
+ bdf_metric
->bbw
);
858 pcm
->ascent
= bdf_metric
->bboy
+ bdf_metric
->bbh
;
859 pcm
->descent
= -bdf_metric
->bboy
;
868 w32_native_per_char_metric (font
, char2b
, font_type
, pcm
)
871 enum w32_char_font_type font_type
;
874 HDC hdc
= GetDC (NULL
);
878 xassert (font
&& char2b
);
879 xassert (font
->hfont
);
880 xassert (font_type
== UNICODE_FONT
|| font_type
== ANSI_FONT
);
882 old_font
= SelectObject (hdc
, font
->hfont
);
884 if ((font
->tm
.tmPitchAndFamily
& TMPF_TRUETYPE
) != 0)
888 if (font_type
== UNICODE_FONT
)
889 retval
= GetCharABCWidthsW (hdc
, *char2b
, *char2b
, &char_widths
);
891 retval
= GetCharABCWidthsA (hdc
, *char2b
, *char2b
, &char_widths
);
896 /* Disabled until we can find a way to get the right results
897 on all versions of Windows. */
899 /* Don't trust the ABC widths. For synthesized fonts they are
900 wrong, and so is the result of GetCharWidth()! */
902 GetCharWidth (hdc
, *char2b
, *char2b
, &real_width
);
904 if (cleartype_active
)
906 /* Cleartype antialiasing causes characters to overhang
907 by a pixel on each side compared with what GetCharABCWidths
909 char_widths
.abcA
-= 1;
910 char_widths
.abcC
-= 1;
911 char_widths
.abcB
+= 2;
914 pcm
->width
= char_widths
.abcA
+ char_widths
.abcB
+ char_widths
.abcC
;
916 /* As far as I can tell, this is the best way to determine what
917 ExtTextOut will do with the broken font. */
918 if (pcm
->width
!= real_width
)
919 pcm
->width
= (pcm
->width
+ real_width
) / 2;
921 pcm
->lbearing
= char_widths
.abcA
;
922 pcm
->rbearing
= char_widths
.abcA
+ char_widths
.abcB
;
923 pcm
->ascent
= FONT_BASE (font
);
924 pcm
->descent
= FONT_DESCENT (font
);
930 /* Either font is not a True-type font, or GetCharABCWidthsW
931 failed (it is not supported on Windows 9x for instance), so we
932 can't determine the full info we would like. All is not lost
933 though - we can call GetTextExtentPoint32 to get rbearing and
934 deduce width based on the font's per-string overhang. lbearing
935 is assumed to be zero. */
937 /* TODO: Some Thai characters (and other composites if Windows
938 supports them) do have lbearing, and report their total width
939 as zero. Need some way of handling them when
940 GetCharABCWidthsW fails. */
943 if (font_type
== UNICODE_FONT
)
944 retval
= GetTextExtentPoint32W (hdc
, char2b
, 1, &sz
);
946 retval
= GetTextExtentPoint32A (hdc
, (char*)char2b
, 1, &sz
);
950 pcm
->width
= sz
.cx
- font
->tm
.tmOverhang
;
951 pcm
->rbearing
= sz
.cx
;
953 pcm
->ascent
= FONT_BASE (font
);
954 pcm
->descent
= FONT_DESCENT (font
);
959 if (pcm
->width
== 0 && (pcm
->rbearing
- pcm
->lbearing
) == 0)
964 SelectObject (hdc
, old_font
);
965 ReleaseDC (NULL
, hdc
);
972 w32_per_char_metric (font
, char2b
, font_type
)
975 int /* enum w32_char_font_type */ font_type
;
977 /* The result metric information. */
981 xassert (font
&& char2b
);
983 /* TODO: This function is currently called through the RIF, and in
984 some cases font_type is UNKNOWN_FONT. We currently allow the
985 cached metrics to be used, which seems to work, but in cases
986 where font_type is UNKNOWN_FONT, we probably haven't encoded
987 char2b appropriately. All callers need checking to see what they
988 are passing. This is most likely to affect variable width fonts
989 outside the Latin-1 range, particularly in languages like Thai
990 that rely on rbearing and lbearing to provide composition. I
991 don't think that is working currently anyway, but we don't seem
992 to have anyone testing such languages on Windows. */
994 /* Handle the common cases quickly. */
995 if (!font
->bdf
&& font
->per_char
== NULL
)
996 /* TODO: determine whether char2b exists in font? */
997 return &font
->max_bounds
;
998 else if (!font
->bdf
&& *char2b
< 128)
999 return &font
->per_char
[*char2b
];
1001 xassert (font_type
!= UNKNOWN_FONT
);
1003 pcm
= &font
->scratch
;
1005 if (font_type
== BDF_1D_FONT
)
1006 retval
= w32_bdf_per_char_metric (font
, char2b
, 1, pcm
);
1007 else if (font_type
== BDF_2D_FONT
)
1008 retval
= w32_bdf_per_char_metric (font
, char2b
, 2, pcm
);
1010 retval
= w32_native_per_char_metric (font
, char2b
, font_type
, pcm
);
1019 w32_cache_char_metrics (font
)
1022 wchar_t char2b
= L
'x';
1024 /* Cache char metrics for the common cases. */
1027 /* TODO: determine whether font is fixed-pitch. */
1028 if (!w32_bdf_per_char_metric (font
, &char2b
, 1, &font
->max_bounds
))
1030 /* Use the font width and height as max bounds, as not all BDF
1031 fonts contain the letter 'x'. */
1032 font
->max_bounds
.width
= FONT_MAX_WIDTH (font
);
1033 font
->max_bounds
.lbearing
= -font
->bdf
->llx
;
1034 font
->max_bounds
.rbearing
= FONT_MAX_WIDTH (font
) - font
->bdf
->urx
;
1035 font
->max_bounds
.ascent
= FONT_BASE (font
);
1036 font
->max_bounds
.descent
= FONT_DESCENT (font
);
1041 if (((font
->tm
.tmPitchAndFamily
& TMPF_FIXED_PITCH
) != 0)
1042 /* Some fonts (eg DBCS fonts) are marked as fixed width even
1043 though they contain characters of different widths. */
1044 || (font
->tm
.tmMaxCharWidth
!= font
->tm
.tmAveCharWidth
))
1046 /* Font is not fixed pitch, so cache per_char info for the
1047 ASCII characters. It would be much more work, and probably
1048 not worth it, to cache other chars, since we may change
1049 between using Unicode and ANSI text drawing functions at
1053 font
->per_char
= xmalloc (128 * sizeof(XCharStruct
));
1054 for (i
= 0; i
< 128; i
++)
1057 w32_native_per_char_metric (font
, &char2b
, ANSI_FONT
,
1058 &font
->per_char
[i
]);
1062 w32_native_per_char_metric (font
, &char2b
, ANSI_FONT
,
1068 /* Determine if a font is double byte. */
1069 int w32_font_is_double_byte (XFontStruct
*font
)
1071 return font
->double_byte_p
;
1076 w32_use_unicode_for_codepage (codepage
)
1079 /* If the current codepage is supported, use Unicode for output. */
1080 return (w32_enable_unicode_output
1081 && codepage
!= CP_8BIT
1082 && (codepage
== CP_UNICODE
|| IsValidCodePage (codepage
)));
1085 /* Encode CHAR2B using encoding information from FONT_INFO. CHAR2B is
1086 the two-byte form of C. Encoding is returned in *CHAR2B. */
1088 static int /* enum w32_char_font_type */
1089 w32_encode_char (c
, char2b
, font_info
, two_byte_p
)
1092 struct font_info
*font_info
;
1095 int charset
= CHAR_CHARSET (c
);
1098 int internal_two_byte_p
= 0;
1100 XFontStruct
*font
= font_info
->font
;
1102 internal_two_byte_p
= w32_font_is_double_byte (font
);
1104 /* FONT_INFO may define a scheme by which to encode byte1 and byte2.
1105 This may be either a program in a special encoder language or a
1107 if (font_info
->font_encoder
)
1109 /* It's a program. */
1110 struct ccl_program
*ccl
= font_info
->font_encoder
;
1112 if (CHARSET_DIMENSION (charset
) == 1)
1114 ccl
->reg
[0] = charset
;
1115 ccl
->reg
[1] = XCHAR2B_BYTE2 (char2b
);
1120 ccl
->reg
[0] = charset
;
1121 ccl
->reg
[1] = XCHAR2B_BYTE1 (char2b
);
1122 ccl
->reg
[2] = XCHAR2B_BYTE2 (char2b
);
1125 ccl_driver (ccl
, NULL
, NULL
, 0, 0, NULL
);
1127 /* We assume that MSBs are appropriately set/reset by CCL
1129 if (!internal_two_byte_p
) /* 1-byte font */
1130 STORE_XCHAR2B (char2b
, 0, ccl
->reg
[1]);
1132 STORE_XCHAR2B (char2b
, ccl
->reg
[1], ccl
->reg
[2]);
1134 else if (font_info
->encoding
[charset
])
1136 /* Fixed encoding scheme. See fontset.h for the meaning of the
1137 encoding numbers. */
1138 int enc
= font_info
->encoding
[charset
];
1140 if ((enc
== 1 || enc
== 2)
1141 && CHARSET_DIMENSION (charset
) == 2)
1142 STORE_XCHAR2B (char2b
, XCHAR2B_BYTE1 (char2b
) | 0x80, XCHAR2B_BYTE2 (char2b
));
1144 if (enc
== 1 || enc
== 3
1145 || (enc
== 4 && CHARSET_DIMENSION (charset
) == 1))
1146 STORE_XCHAR2B (char2b
, XCHAR2B_BYTE1 (char2b
), XCHAR2B_BYTE2 (char2b
) | 0x80);
1151 ENCODE_SJIS (XCHAR2B_BYTE1 (char2b
), XCHAR2B_BYTE2 (char2b
),
1153 STORE_XCHAR2B (char2b
, sjis1
, sjis2
);
1156 codepage
= font_info
->codepage
;
1158 /* If charset is not ASCII or Latin-1, may need to move it into
1160 if ( font
&& !font
->bdf
&& w32_use_unicode_for_codepage (codepage
)
1161 && charset
!= CHARSET_ASCII
&& charset
!= charset_latin_iso8859_1
1162 && charset
!= CHARSET_8_BIT_CONTROL
&& charset
!= CHARSET_8_BIT_GRAPHIC
)
1165 temp
[0] = XCHAR2B_BYTE1 (char2b
);
1166 temp
[1] = XCHAR2B_BYTE2 (char2b
);
1168 if (codepage
!= CP_UNICODE
)
1171 MultiByteToWideChar (codepage
, 0, temp
, 2, char2b
, 1);
1173 MultiByteToWideChar (codepage
, 0, temp
+1, 1, char2b
, 1);
1176 internal_two_byte_p
= 1;
1180 *two_byte_p
= internal_two_byte_p
;
1183 return UNKNOWN_FONT
;
1184 else if (font
->bdf
&& CHARSET_DIMENSION (charset
) == 1)
1189 return UNICODE_FONT
;
1196 /***********************************************************************
1198 ***********************************************************************/
1201 /* Encapsulate the different ways of displaying text under W32. */
1204 w32_text_out (s
, x
, y
,chars
,nchars
)
1205 struct glyph_string
* s
;
1210 int charset_dim
= w32_font_is_double_byte (s
->font
) ? 2 : 1;
1212 w32_BDF_TextOut (s
->font
->bdf
, s
->hdc
,
1213 x
, y
, (char *) chars
, charset_dim
,
1214 nchars
* charset_dim
, 0);
1215 else if (s
->first_glyph
->font_type
== UNICODE_FONT
)
1216 ExtTextOutW (s
->hdc
, x
, y
, 0, NULL
, chars
, nchars
, NULL
);
1218 ExtTextOutA (s
->hdc
, x
, y
, 0, NULL
, (char *) chars
,
1219 nchars
* charset_dim
, NULL
);
1223 static void x_set_glyph_string_clipping
P_ ((struct glyph_string
*));
1224 static void x_set_glyph_string_gc
P_ ((struct glyph_string
*));
1225 static void x_draw_glyph_string_background
P_ ((struct glyph_string
*,
1227 static void x_draw_glyph_string_foreground
P_ ((struct glyph_string
*));
1228 static void x_draw_composite_glyph_string_foreground
P_ ((struct glyph_string
*));
1229 static void x_draw_glyph_string_box
P_ ((struct glyph_string
*));
1230 static void x_draw_glyph_string
P_ ((struct glyph_string
*));
1231 static void x_set_cursor_gc
P_ ((struct glyph_string
*));
1232 static void x_set_mode_line_face_gc
P_ ((struct glyph_string
*));
1233 static void x_set_mouse_face_gc
P_ ((struct glyph_string
*));
1234 static int w32_alloc_lighter_color (struct frame
*, COLORREF
*, double, int);
1235 static void w32_setup_relief_color
P_ ((struct frame
*, struct relief
*,
1236 double, int, COLORREF
));
1237 static void x_setup_relief_colors
P_ ((struct glyph_string
*));
1238 static void x_draw_image_glyph_string
P_ ((struct glyph_string
*));
1239 static void x_draw_image_relief
P_ ((struct glyph_string
*));
1240 static void x_draw_image_foreground
P_ ((struct glyph_string
*));
1241 static void w32_draw_image_foreground_1
P_ ((struct glyph_string
*, HBITMAP
));
1242 static void x_clear_glyph_string_rect
P_ ((struct glyph_string
*, int,
1244 static void w32_draw_relief_rect
P_ ((struct frame
*, int, int, int, int,
1245 int, int, int, int, int, int,
1247 static void w32_draw_box_rect
P_ ((struct glyph_string
*, int, int, int, int,
1248 int, int, int, RECT
*));
1251 static void x_check_font
P_ ((struct frame
*, XFontStruct
*));
1255 /* Set S->gc to a suitable GC for drawing glyph string S in cursor
1260 struct glyph_string
*s
;
1262 if (s
->font
== FRAME_FONT (s
->f
)
1263 && s
->face
->background
== FRAME_BACKGROUND_PIXEL (s
->f
)
1264 && s
->face
->foreground
== FRAME_FOREGROUND_PIXEL (s
->f
)
1266 s
->gc
= s
->f
->output_data
.w32
->cursor_gc
;
1269 /* Cursor on non-default face: must merge. */
1273 xgcv
.background
= s
->f
->output_data
.w32
->cursor_pixel
;
1274 xgcv
.foreground
= s
->face
->background
;
1276 /* If the glyph would be invisible, try a different foreground. */
1277 if (xgcv
.foreground
== xgcv
.background
)
1278 xgcv
.foreground
= s
->face
->foreground
;
1279 if (xgcv
.foreground
== xgcv
.background
)
1280 xgcv
.foreground
= s
->f
->output_data
.w32
->cursor_foreground_pixel
;
1281 if (xgcv
.foreground
== xgcv
.background
)
1282 xgcv
.foreground
= s
->face
->foreground
;
1284 /* Make sure the cursor is distinct from text in this face. */
1285 if (xgcv
.background
== s
->face
->background
1286 && xgcv
.foreground
== s
->face
->foreground
)
1288 xgcv
.background
= s
->face
->foreground
;
1289 xgcv
.foreground
= s
->face
->background
;
1292 IF_DEBUG (x_check_font (s
->f
, s
->font
));
1293 xgcv
.font
= s
->font
;
1294 mask
= GCForeground
| GCBackground
| GCFont
;
1296 if (FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
)
1297 XChangeGC (NULL
, FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
,
1300 FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
1301 = XCreateGC (NULL
, s
->window
, mask
, &xgcv
);
1303 s
->gc
= FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
;
1308 /* Set up S->gc of glyph string S for drawing text in mouse face. */
1311 x_set_mouse_face_gc (s
)
1312 struct glyph_string
*s
;
1317 /* What face has to be used last for the mouse face? */
1318 face_id
= FRAME_W32_DISPLAY_INFO (s
->f
)->mouse_face_face_id
;
1319 face
= FACE_FROM_ID (s
->f
, face_id
);
1321 face
= FACE_FROM_ID (s
->f
, MOUSE_FACE_ID
);
1323 if (s
->first_glyph
->type
== CHAR_GLYPH
)
1324 face_id
= FACE_FOR_CHAR (s
->f
, face
, s
->first_glyph
->u
.ch
);
1326 face_id
= FACE_FOR_CHAR (s
->f
, face
, 0);
1327 s
->face
= FACE_FROM_ID (s
->f
, face_id
);
1328 PREPARE_FACE_FOR_DISPLAY (s
->f
, s
->face
);
1330 /* If font in this face is same as S->font, use it. */
1331 if (s
->font
== s
->face
->font
)
1332 s
->gc
= s
->face
->gc
;
1335 /* Otherwise construct scratch_cursor_gc with values from FACE
1340 xgcv
.background
= s
->face
->background
;
1341 xgcv
.foreground
= s
->face
->foreground
;
1342 IF_DEBUG (x_check_font (s
->f
, s
->font
));
1343 xgcv
.font
= s
->font
;
1344 mask
= GCForeground
| GCBackground
| GCFont
;
1346 if (FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
)
1347 XChangeGC (NULL
, FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
,
1350 FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
1351 = XCreateGC (NULL
, s
->window
, mask
, &xgcv
);
1353 s
->gc
= FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
;
1356 xassert (s
->gc
!= 0);
1360 /* Set S->gc of glyph string S to a GC suitable for drawing a mode line.
1361 Faces to use in the mode line have already been computed when the
1362 matrix was built, so there isn't much to do, here. */
1365 x_set_mode_line_face_gc (s
)
1366 struct glyph_string
*s
;
1368 s
->gc
= s
->face
->gc
;
1372 /* Set S->gc of glyph string S for drawing that glyph string. Set
1373 S->stippled_p to a non-zero value if the face of S has a stipple
1377 x_set_glyph_string_gc (s
)
1378 struct glyph_string
*s
;
1380 PREPARE_FACE_FOR_DISPLAY (s
->f
, s
->face
);
1382 if (s
->hl
== DRAW_NORMAL_TEXT
)
1384 s
->gc
= s
->face
->gc
;
1385 s
->stippled_p
= s
->face
->stipple
!= 0;
1387 else if (s
->hl
== DRAW_INVERSE_VIDEO
)
1389 x_set_mode_line_face_gc (s
);
1390 s
->stippled_p
= s
->face
->stipple
!= 0;
1392 else if (s
->hl
== DRAW_CURSOR
)
1394 x_set_cursor_gc (s
);
1397 else if (s
->hl
== DRAW_MOUSE_FACE
)
1399 x_set_mouse_face_gc (s
);
1400 s
->stippled_p
= s
->face
->stipple
!= 0;
1402 else if (s
->hl
== DRAW_IMAGE_RAISED
1403 || s
->hl
== DRAW_IMAGE_SUNKEN
)
1405 s
->gc
= s
->face
->gc
;
1406 s
->stippled_p
= s
->face
->stipple
!= 0;
1410 s
->gc
= s
->face
->gc
;
1411 s
->stippled_p
= s
->face
->stipple
!= 0;
1414 /* GC must have been set. */
1415 xassert (s
->gc
!= 0);
1419 /* Set clipping for output of glyph string S. S may be part of a mode
1420 line or menu if we don't have X toolkit support. */
1423 x_set_glyph_string_clipping (s
)
1424 struct glyph_string
*s
;
1427 get_glyph_string_clip_rect (s
, &r
);
1428 w32_set_clip_rectangle (s
->hdc
, &r
);
1433 Compute left and right overhang of glyph string S. If S is a glyph
1434 string for a composition, assume overhangs don't exist. */
1437 w32_compute_glyph_string_overhangs (s
)
1438 struct glyph_string
*s
;
1440 /* TODO: Windows does not appear to have a method for
1441 getting this info without getting the ABC widths for each
1442 individual character and working it out manually. */
1447 w32_get_glyph_overhangs (glyph
, f
, left
, right
)
1448 struct glyph
*glyph
;
1452 HDC hdc
= get_frame_dc (f
);
1453 /* Convert to unicode! */
1454 x_get_glyph_overhangs (glyph
, f
, left
, right
);
1455 release_frame_dc (f
, hdc
);
1459 /* Fill rectangle X, Y, W, H with background color of glyph string S. */
1462 x_clear_glyph_string_rect (s
, x
, y
, w
, h
)
1463 struct glyph_string
*s
;
1471 /* Take clipping into account. */
1472 if (s
->gc
->clip_mask
== Rect
)
1474 real_x
= max (real_x
, s
->gc
->clip_rectangle
.left
);
1475 real_y
= max (real_y
, s
->gc
->clip_rectangle
.top
);
1476 real_w
= min (real_w
, s
->gc
->clip_rectangle
.right
1477 - s
->gc
->clip_rectangle
.left
);
1478 real_h
= min (real_h
, s
->gc
->clip_rectangle
.bottom
1479 - s
->gc
->clip_rectangle
.top
);
1482 w32_fill_area (s
->f
, s
->hdc
, s
->gc
->background
, real_x
, real_y
,
1487 /* Draw the background of glyph_string S. If S->background_filled_p
1488 is non-zero don't draw it. FORCE_P non-zero means draw the
1489 background even if it wouldn't be drawn normally. This is used
1490 when a string preceding S draws into the background of S, or S
1491 contains the first component of a composition. */
1494 x_draw_glyph_string_background (s
, force_p
)
1495 struct glyph_string
*s
;
1498 /* Nothing to do if background has already been drawn or if it
1499 shouldn't be drawn in the first place. */
1500 if (!s
->background_filled_p
)
1502 int box_line_width
= max (s
->face
->box_line_width
, 0);
1504 #if 0 /* TODO: stipple */
1507 /* Fill background with a stipple pattern. */
1508 XSetFillStyle (s
->display
, s
->gc
, FillOpaqueStippled
);
1509 XFillRectangle (s
->display
, s
->window
, s
->gc
, s
->x
,
1510 s
->y
+ box_line_width
,
1511 s
->background_width
,
1512 s
->height
- 2 * box_line_width
);
1513 XSetFillStyle (s
->display
, s
->gc
, FillSolid
);
1514 s
->background_filled_p
= 1;
1518 if (FONT_HEIGHT (s
->font
) < s
->height
- 2 * box_line_width
1519 || s
->font_not_found_p
1520 || s
->extends_to_end_of_line_p
1524 x_clear_glyph_string_rect (s
, s
->x
, s
->y
+ box_line_width
,
1525 s
->background_width
,
1526 s
->height
- 2 * box_line_width
);
1527 s
->background_filled_p
= 1;
1533 /* Draw the foreground of glyph string S. */
1536 x_draw_glyph_string_foreground (s
)
1537 struct glyph_string
*s
;
1542 /* If first glyph of S has a left box line, start drawing the text
1543 of S to the right of that box line. */
1544 if (s
->face
->box
!= FACE_NO_BOX
1545 && s
->first_glyph
->left_box_line_p
)
1546 x
= s
->x
+ abs (s
->face
->box_line_width
);
1550 if (s
->for_overlaps
|| (s
->background_filled_p
&& s
->hl
!= DRAW_CURSOR
))
1551 SetBkMode (s
->hdc
, TRANSPARENT
);
1553 SetBkMode (s
->hdc
, OPAQUE
);
1555 SetTextColor (s
->hdc
, s
->gc
->foreground
);
1556 SetBkColor (s
->hdc
, s
->gc
->background
);
1557 SetTextAlign (s
->hdc
, TA_BASELINE
| TA_LEFT
);
1559 if (s
->font
&& s
->font
->hfont
)
1560 old_font
= SelectObject (s
->hdc
, s
->font
->hfont
);
1562 /* Draw characters of S as rectangles if S's font could not be
1564 if (s
->font_not_found_p
)
1566 for (i
= 0; i
< s
->nchars
; ++i
)
1568 struct glyph
*g
= s
->first_glyph
+ i
;
1570 w32_draw_rectangle (s
->hdc
, s
->gc
, x
, s
->y
, g
->pixel_width
- 1,
1572 x
+= g
->pixel_width
;
1577 char *char1b
= (char *) s
->char2b
;
1578 int boff
= s
->font_info
->baseline_offset
;
1580 if (s
->font_info
->vertical_centering
)
1581 boff
= VCENTER_BASELINE_OFFSET (s
->font
, s
->f
) - boff
;
1583 /* If we can use 8-bit functions, condense S->char2b. */
1585 for (i
= 0; i
< s
->nchars
; ++i
)
1586 char1b
[i
] = XCHAR2B_BYTE2 (&s
->char2b
[i
]);
1588 /* Draw text with TextOut and friends. */
1589 w32_text_out (s
, x
, s
->ybase
- boff
, s
->char2b
, s
->nchars
);
1591 if (s
->face
->overstrike
)
1593 /* For overstriking (to simulate bold-face), draw the
1594 characters again shifted to the right by one pixel. */
1595 int old_BkMode
= SetBkMode (s
->hdc
, TRANSPARENT
);
1596 w32_text_out (s
, x
+ 1, s
->ybase
- boff
, s
->char2b
, s
->nchars
);
1597 if (old_BkMode
&& old_BkMode
!= TRANSPARENT
)
1598 SetBkMode (s
->hdc
, old_BkMode
);
1601 if (s
->font
&& s
->font
->hfont
)
1602 SelectObject (s
->hdc
, old_font
);
1605 /* Draw the foreground of composite glyph string S. */
1608 x_draw_composite_glyph_string_foreground (s
)
1609 struct glyph_string
*s
;
1614 /* If first glyph of S has a left box line, start drawing the text
1615 of S to the right of that box line. */
1616 if (s
->face
->box
!= FACE_NO_BOX
1617 && s
->first_glyph
->left_box_line_p
)
1618 x
= s
->x
+ abs (s
->face
->box_line_width
);
1622 /* S is a glyph string for a composition. S->gidx is the index of
1623 the first character drawn for glyphs of this composition.
1624 S->gidx == 0 means we are drawing the very first character of
1625 this composition. */
1627 SetTextColor (s
->hdc
, s
->gc
->foreground
);
1628 SetBkColor (s
->hdc
, s
->gc
->background
);
1629 SetBkMode (s
->hdc
, TRANSPARENT
);
1630 SetTextAlign (s
->hdc
, TA_BASELINE
| TA_LEFT
);
1632 if (s
->font
&& s
->font
->hfont
)
1633 old_font
= SelectObject (s
->hdc
, s
->font
->hfont
);
1635 /* Draw a rectangle for the composition if the font for the very
1636 first character of the composition could not be loaded. */
1637 if (s
->font_not_found_p
)
1640 w32_draw_rectangle (s
->hdc
, s
->gc
, x
, s
->y
, s
->width
- 1,
1645 for (i
= 0; i
< s
->nchars
; i
++, ++s
->gidx
)
1647 w32_text_out (s
, x
+ s
->cmp
->offsets
[s
->gidx
* 2],
1648 s
->ybase
- s
->cmp
->offsets
[s
->gidx
* 2 + 1],
1650 if (s
->face
->overstrike
)
1651 w32_text_out (s
, x
+ s
->cmp
->offsets
[s
->gidx
* 2] + 1,
1652 s
->ybase
- s
->cmp
->offsets
[s
->gidx
* 2 + 1],
1657 if (s
->font
&& s
->font
->hfont
)
1658 SelectObject (s
->hdc
, old_font
);
1662 /* Brightness beyond which a color won't have its highlight brightness
1665 Nominally, highlight colors for `3d' faces are calculated by
1666 brightening an object's color by a constant scale factor, but this
1667 doesn't yield good results for dark colors, so for colors who's
1668 brightness is less than this value (on a scale of 0-255) have to
1669 use an additional additive factor.
1671 The value here is set so that the default menu-bar/mode-line color
1672 (grey75) will not have its highlights changed at all. */
1673 #define HIGHLIGHT_COLOR_DARK_BOOST_LIMIT 187
1676 /* Allocate a color which is lighter or darker than *COLOR by FACTOR
1677 or DELTA. Try a color with RGB values multiplied by FACTOR first.
1678 If this produces the same color as COLOR, try a color where all RGB
1679 values have DELTA added. Return the allocated color in *COLOR.
1680 DISPLAY is the X display, CMAP is the colormap to operate on.
1681 Value is non-zero if successful. */
1684 w32_alloc_lighter_color (f
, color
, factor
, delta
)
1693 /* On Windows, RGB values are 0-255, not 0-65535, so scale delta. */
1696 /* Change RGB values by specified FACTOR. Avoid overflow! */
1697 xassert (factor
>= 0);
1698 new = PALETTERGB (min (0xff, factor
* GetRValue (*color
)),
1699 min (0xff, factor
* GetGValue (*color
)),
1700 min (0xff, factor
* GetBValue (*color
)));
1702 /* Calculate brightness of COLOR. */
1703 bright
= (2 * GetRValue (*color
) + 3 * GetGValue (*color
)
1704 + GetBValue (*color
)) / 6;
1706 /* We only boost colors that are darker than
1707 HIGHLIGHT_COLOR_DARK_BOOST_LIMIT. */
1708 if (bright
< HIGHLIGHT_COLOR_DARK_BOOST_LIMIT
)
1709 /* Make an additive adjustment to NEW, because it's dark enough so
1710 that scaling by FACTOR alone isn't enough. */
1712 /* How far below the limit this color is (0 - 1, 1 being darker). */
1713 double dimness
= 1 - (double)bright
/ HIGHLIGHT_COLOR_DARK_BOOST_LIMIT
;
1714 /* The additive adjustment. */
1715 int min_delta
= delta
* dimness
* factor
/ 2;
1718 new = PALETTERGB (max (0, min (0xff, min_delta
- GetRValue (*color
))),
1719 max (0, min (0xff, min_delta
- GetGValue (*color
))),
1720 max (0, min (0xff, min_delta
- GetBValue (*color
))));
1722 new = PALETTERGB (max (0, min (0xff, min_delta
+ GetRValue (*color
))),
1723 max (0, min (0xff, min_delta
+ GetGValue (*color
))),
1724 max (0, min (0xff, min_delta
+ GetBValue (*color
))));
1728 new = PALETTERGB (max (0, min (0xff, delta
+ GetRValue (*color
))),
1729 max (0, min (0xff, delta
+ GetGValue (*color
))),
1730 max (0, min (0xff, delta
+ GetBValue (*color
))));
1732 /* TODO: Map to palette and retry with delta if same? */
1733 /* TODO: Free colors (if using palette)? */
1744 /* Set up the foreground color for drawing relief lines of glyph
1745 string S. RELIEF is a pointer to a struct relief containing the GC
1746 with which lines will be drawn. Use a color that is FACTOR or
1747 DELTA lighter or darker than the relief's background which is found
1748 in S->f->output_data.x->relief_background. If such a color cannot
1749 be allocated, use DEFAULT_PIXEL, instead. */
1752 w32_setup_relief_color (f
, relief
, factor
, delta
, default_pixel
)
1754 struct relief
*relief
;
1757 COLORREF default_pixel
;
1760 struct w32_output
*di
= f
->output_data
.w32
;
1761 unsigned long mask
= GCForeground
;
1763 COLORREF background
= di
->relief_background
;
1764 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
1766 /* TODO: Free colors (if using palette)? */
1768 /* Allocate new color. */
1769 xgcv
.foreground
= default_pixel
;
1771 if (w32_alloc_lighter_color (f
, &pixel
, factor
, delta
))
1773 relief
->allocated_p
= 1;
1774 xgcv
.foreground
= relief
->pixel
= pixel
;
1777 if (relief
->gc
== 0)
1779 #if 0 /* TODO: stipple */
1780 xgcv
.stipple
= dpyinfo
->gray
;
1783 relief
->gc
= XCreateGC (NULL
, FRAME_W32_WINDOW (f
), mask
, &xgcv
);
1786 XChangeGC (NULL
, relief
->gc
, mask
, &xgcv
);
1790 /* Set up colors for the relief lines around glyph string S. */
1793 x_setup_relief_colors (s
)
1794 struct glyph_string
*s
;
1796 struct w32_output
*di
= s
->f
->output_data
.w32
;
1799 if (s
->face
->use_box_color_for_shadows_p
)
1800 color
= s
->face
->box_color
;
1801 else if (s
->first_glyph
->type
== IMAGE_GLYPH
1803 && !IMAGE_BACKGROUND_TRANSPARENT (s
->img
, s
->f
, 0))
1804 color
= IMAGE_BACKGROUND (s
->img
, s
->f
, 0);
1806 color
= s
->gc
->background
;
1808 if (di
->white_relief
.gc
== 0
1809 || color
!= di
->relief_background
)
1811 di
->relief_background
= color
;
1812 w32_setup_relief_color (s
->f
, &di
->white_relief
, 1.2, 0x8000,
1813 WHITE_PIX_DEFAULT (s
->f
));
1814 w32_setup_relief_color (s
->f
, &di
->black_relief
, 0.6, 0x4000,
1815 BLACK_PIX_DEFAULT (s
->f
));
1820 /* Draw a relief on frame F inside the rectangle given by LEFT_X,
1821 TOP_Y, RIGHT_X, and BOTTOM_Y. WIDTH is the thickness of the relief
1822 to draw, it must be >= 0. RAISED_P non-zero means draw a raised
1823 relief. LEFT_P non-zero means draw a relief on the left side of
1824 the rectangle. RIGHT_P non-zero means draw a relief on the right
1825 side of the rectangle. CLIP_RECT is the clipping rectangle to use
1829 w32_draw_relief_rect (f
, left_x
, top_y
, right_x
, bottom_y
, width
,
1830 raised_p
, top_p
, bot_p
, left_p
, right_p
, clip_rect
)
1832 int left_x
, top_y
, right_x
, bottom_y
, width
;
1833 int top_p
, bot_p
, left_p
, right_p
, raised_p
;
1838 HDC hdc
= get_frame_dc (f
);
1841 gc
.foreground
= f
->output_data
.w32
->white_relief
.gc
->foreground
;
1843 gc
.foreground
= f
->output_data
.w32
->black_relief
.gc
->foreground
;
1845 w32_set_clip_rectangle (hdc
, clip_rect
);
1849 for (i
= 0; i
< width
; ++i
)
1850 w32_fill_area (f
, hdc
, gc
.foreground
,
1851 left_x
+ i
* left_p
, top_y
+ i
,
1852 right_x
- left_x
- i
* (left_p
+ right_p
) + 1, 1);
1856 for (i
= 0; i
< width
; ++i
)
1857 w32_fill_area (f
, hdc
, gc
.foreground
,
1858 left_x
+ i
, top_y
+ i
, 1,
1859 bottom_y
- top_y
- 2 * i
+ 1);
1862 gc
.foreground
= f
->output_data
.w32
->black_relief
.gc
->foreground
;
1864 gc
.foreground
= f
->output_data
.w32
->white_relief
.gc
->foreground
;
1868 for (i
= 0; i
< width
; ++i
)
1869 w32_fill_area (f
, hdc
, gc
.foreground
,
1870 left_x
+ i
* left_p
, bottom_y
- i
,
1871 right_x
- left_x
- i
* (left_p
+ right_p
) + 1, 1);
1875 for (i
= 0; i
< width
; ++i
)
1876 w32_fill_area (f
, hdc
, gc
.foreground
,
1877 right_x
- i
, top_y
+ i
+ 1, 1,
1878 bottom_y
- top_y
- 2 * i
- 1);
1880 w32_set_clip_rectangle (hdc
, NULL
);
1882 release_frame_dc (f
, hdc
);
1886 /* Draw a box on frame F inside the rectangle given by LEFT_X, TOP_Y,
1887 RIGHT_X, and BOTTOM_Y. WIDTH is the thickness of the lines to
1888 draw, it must be >= 0. LEFT_P non-zero means draw a line on the
1889 left side of the rectangle. RIGHT_P non-zero means draw a line
1890 on the right side of the rectangle. CLIP_RECT is the clipping
1891 rectangle to use when drawing. */
1894 w32_draw_box_rect (s
, left_x
, top_y
, right_x
, bottom_y
, width
,
1895 left_p
, right_p
, clip_rect
)
1896 struct glyph_string
*s
;
1897 int left_x
, top_y
, right_x
, bottom_y
, width
, left_p
, right_p
;
1900 w32_set_clip_rectangle (s
->hdc
, clip_rect
);
1903 w32_fill_area (s
->f
, s
->hdc
, s
->face
->box_color
,
1904 left_x
, top_y
, right_x
- left_x
+ 1, width
);
1909 w32_fill_area (s
->f
, s
->hdc
, s
->face
->box_color
,
1910 left_x
, top_y
, width
, bottom_y
- top_y
+ 1);
1914 w32_fill_area (s
->f
, s
->hdc
, s
->face
->box_color
,
1915 left_x
, bottom_y
- width
+ 1, right_x
- left_x
+ 1, width
);
1920 w32_fill_area (s
->f
, s
->hdc
, s
->face
->box_color
,
1921 right_x
- width
+ 1, top_y
, width
, bottom_y
- top_y
+ 1);
1924 w32_set_clip_rectangle (s
->hdc
, NULL
);
1928 /* Draw a box around glyph string S. */
1931 x_draw_glyph_string_box (s
)
1932 struct glyph_string
*s
;
1934 int width
, left_x
, right_x
, top_y
, bottom_y
, last_x
, raised_p
;
1935 int left_p
, right_p
;
1936 struct glyph
*last_glyph
;
1939 last_x
= ((s
->row
->full_width_p
&& !s
->w
->pseudo_window_p
)
1940 ? WINDOW_RIGHT_EDGE_X (s
->w
)
1941 : window_box_right (s
->w
, s
->area
));
1943 /* The glyph that may have a right box line. */
1944 last_glyph
= (s
->cmp
|| s
->img
1946 : s
->first_glyph
+ s
->nchars
- 1);
1948 width
= abs (s
->face
->box_line_width
);
1949 raised_p
= s
->face
->box
== FACE_RAISED_BOX
;
1951 right_x
= ((s
->row
->full_width_p
&& s
->extends_to_end_of_line_p
1953 : min (last_x
, s
->x
+ s
->background_width
) - 1));
1955 bottom_y
= top_y
+ s
->height
- 1;
1957 left_p
= (s
->first_glyph
->left_box_line_p
1958 || (s
->hl
== DRAW_MOUSE_FACE
1960 || s
->prev
->hl
!= s
->hl
)));
1961 right_p
= (last_glyph
->right_box_line_p
1962 || (s
->hl
== DRAW_MOUSE_FACE
1964 || s
->next
->hl
!= s
->hl
)));
1966 get_glyph_string_clip_rect (s
, &clip_rect
);
1968 if (s
->face
->box
== FACE_SIMPLE_BOX
)
1969 w32_draw_box_rect (s
, left_x
, top_y
, right_x
, bottom_y
, width
,
1970 left_p
, right_p
, &clip_rect
);
1973 x_setup_relief_colors (s
);
1974 w32_draw_relief_rect (s
->f
, left_x
, top_y
, right_x
, bottom_y
,
1975 width
, raised_p
, 1, 1, left_p
, right_p
, &clip_rect
);
1980 /* Draw foreground of image glyph string S. */
1983 x_draw_image_foreground (s
)
1984 struct glyph_string
*s
;
1987 int y
= s
->ybase
- image_ascent (s
->img
, s
->face
, &s
->slice
);
1989 /* If first glyph of S has a left box line, start drawing it to the
1990 right of that line. */
1991 if (s
->face
->box
!= FACE_NO_BOX
1992 && s
->first_glyph
->left_box_line_p
1994 x
+= abs (s
->face
->box_line_width
);
1996 /* If there is a margin around the image, adjust x- and y-position
1998 if (s
->slice
.x
== 0)
1999 x
+= s
->img
->hmargin
;
2000 if (s
->slice
.y
== 0)
2001 y
+= s
->img
->vmargin
;
2007 HDC compat_hdc
= CreateCompatibleDC (s
->hdc
);
2008 HBRUSH fg_brush
= CreateSolidBrush (s
->gc
->foreground
);
2009 HBRUSH orig_brush
= SelectObject (s
->hdc
, fg_brush
);
2010 HGDIOBJ orig_obj
= SelectObject (compat_hdc
, s
->img
->pixmap
);
2011 SetBkColor (compat_hdc
, RGB (255, 255, 255));
2012 SetTextColor (s
->hdc
, RGB (0, 0, 0));
2013 x_set_glyph_string_clipping (s
);
2017 HDC mask_dc
= CreateCompatibleDC (s
->hdc
);
2018 HGDIOBJ mask_orig_obj
= SelectObject (mask_dc
, s
->img
->mask
);
2020 SetTextColor (s
->hdc
, RGB (255, 255, 255));
2021 SetBkColor (s
->hdc
, RGB (0, 0, 0));
2023 BitBlt (s
->hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
2024 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCINVERT
);
2025 BitBlt (s
->hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
2026 mask_dc
, s
->slice
.x
, s
->slice
.y
, SRCAND
);
2027 BitBlt (s
->hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
2028 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCINVERT
);
2030 SelectObject (mask_dc
, mask_orig_obj
);
2035 SetTextColor (s
->hdc
, s
->gc
->foreground
);
2036 SetBkColor (s
->hdc
, s
->gc
->background
);
2038 BitBlt (s
->hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
2039 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCCOPY
);
2041 /* When the image has a mask, we can expect that at
2042 least part of a mouse highlight or a block cursor will
2043 be visible. If the image doesn't have a mask, make
2044 a block cursor visible by drawing a rectangle around
2045 the image. I believe it's looking better if we do
2046 nothing here for mouse-face. */
2047 if (s
->hl
== DRAW_CURSOR
)
2049 int r
= s
->img
->relief
;
2051 w32_draw_rectangle (s
->hdc
, s
->gc
, x
- r
, y
- r
,
2052 s
->slice
.width
+ r
*2 - 1,
2053 s
->slice
.height
+ r
*2 - 1);
2057 w32_set_clip_rectangle (s
->hdc
, NULL
);
2058 SelectObject (s
->hdc
, orig_brush
);
2059 DeleteObject (fg_brush
);
2060 SelectObject (compat_hdc
, orig_obj
);
2061 DeleteDC (compat_hdc
);
2064 w32_draw_rectangle (s
->hdc
, s
->gc
, x
, y
,
2065 s
->slice
.width
- 1, s
->slice
.height
- 1);
2067 RestoreDC (s
->hdc
,-1);
2071 /* Draw a relief around the image glyph string S. */
2074 x_draw_image_relief (s
)
2075 struct glyph_string
*s
;
2077 int x0
, y0
, x1
, y1
, thick
, raised_p
;
2080 int y
= s
->ybase
- image_ascent (s
->img
, s
->face
, &s
->slice
);
2082 /* If first glyph of S has a left box line, start drawing it to the
2083 right of that line. */
2084 if (s
->face
->box
!= FACE_NO_BOX
2085 && s
->first_glyph
->left_box_line_p
2087 x
+= abs (s
->face
->box_line_width
);
2089 /* If there is a margin around the image, adjust x- and y-position
2091 if (s
->slice
.x
== 0)
2092 x
+= s
->img
->hmargin
;
2093 if (s
->slice
.y
== 0)
2094 y
+= s
->img
->vmargin
;
2096 if (s
->hl
== DRAW_IMAGE_SUNKEN
2097 || s
->hl
== DRAW_IMAGE_RAISED
)
2099 thick
= tool_bar_button_relief
>= 0 ? tool_bar_button_relief
: DEFAULT_TOOL_BAR_BUTTON_RELIEF
;
2100 raised_p
= s
->hl
== DRAW_IMAGE_RAISED
;
2104 thick
= abs (s
->img
->relief
);
2105 raised_p
= s
->img
->relief
> 0;
2110 x1
= x
+ s
->slice
.width
+ thick
- 1;
2111 y1
= y
+ s
->slice
.height
+ thick
- 1;
2113 x_setup_relief_colors (s
);
2114 get_glyph_string_clip_rect (s
, &r
);
2115 w32_draw_relief_rect (s
->f
, x0
, y0
, x1
, y1
, thick
, raised_p
,
2117 s
->slice
.y
+ s
->slice
.height
== s
->img
->height
,
2119 s
->slice
.x
+ s
->slice
.width
== s
->img
->width
,
2124 /* Draw the foreground of image glyph string S to PIXMAP. */
2127 w32_draw_image_foreground_1 (s
, pixmap
)
2128 struct glyph_string
*s
;
2131 HDC hdc
= CreateCompatibleDC (s
->hdc
);
2132 HGDIOBJ orig_hdc_obj
= SelectObject (hdc
, pixmap
);
2134 int y
= s
->ybase
- s
->y
- image_ascent (s
->img
, s
->face
, &s
->slice
);
2136 /* If first glyph of S has a left box line, start drawing it to the
2137 right of that line. */
2138 if (s
->face
->box
!= FACE_NO_BOX
2139 && s
->first_glyph
->left_box_line_p
2141 x
+= abs (s
->face
->box_line_width
);
2143 /* If there is a margin around the image, adjust x- and y-position
2145 if (s
->slice
.x
== 0)
2146 x
+= s
->img
->hmargin
;
2147 if (s
->slice
.y
== 0)
2148 y
+= s
->img
->vmargin
;
2152 HDC compat_hdc
= CreateCompatibleDC (hdc
);
2153 HBRUSH fg_brush
= CreateSolidBrush (s
->gc
->foreground
);
2154 HBRUSH orig_brush
= SelectObject (hdc
, fg_brush
);
2155 HGDIOBJ orig_obj
= SelectObject (compat_hdc
, s
->img
->pixmap
);
2159 HDC mask_dc
= CreateCompatibleDC (hdc
);
2160 HGDIOBJ mask_orig_obj
= SelectObject (mask_dc
, s
->img
->mask
);
2162 SetTextColor (hdc
, RGB (0, 0, 0));
2163 SetBkColor (hdc
, RGB (255, 255, 255));
2164 BitBlt (hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
2165 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCINVERT
);
2166 BitBlt (hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
2167 mask_dc
, s
->slice
.x
, s
->slice
.y
, SRCAND
);
2168 BitBlt (hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
2169 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCINVERT
);
2171 SelectObject (mask_dc
, mask_orig_obj
);
2176 SetTextColor (hdc
, s
->gc
->foreground
);
2177 SetBkColor (hdc
, s
->gc
->background
);
2179 BitBlt (hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
2180 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCCOPY
);
2182 /* When the image has a mask, we can expect that at
2183 least part of a mouse highlight or a block cursor will
2184 be visible. If the image doesn't have a mask, make
2185 a block cursor visible by drawing a rectangle around
2186 the image. I believe it's looking better if we do
2187 nothing here for mouse-face. */
2188 if (s
->hl
== DRAW_CURSOR
)
2190 int r
= s
->img
->relief
;
2192 w32_draw_rectangle (hdc
, s
->gc
, x
- r
, y
- r
,
2193 s
->slice
.width
+ r
*2 - 1,
2194 s
->slice
.height
+ r
*2 - 1);
2198 SelectObject (hdc
, orig_brush
);
2199 DeleteObject (fg_brush
);
2200 SelectObject (compat_hdc
, orig_obj
);
2201 DeleteDC (compat_hdc
);
2204 w32_draw_rectangle (hdc
, s
->gc
, x
, y
,
2205 s
->slice
.width
- 1, s
->slice
.height
- 1);
2207 SelectObject (hdc
, orig_hdc_obj
);
2212 /* Draw part of the background of glyph string S. X, Y, W, and H
2213 give the rectangle to draw. */
2216 x_draw_glyph_string_bg_rect (s
, x
, y
, w
, h
)
2217 struct glyph_string
*s
;
2220 #if 0 /* TODO: stipple */
2223 /* Fill background with a stipple pattern. */
2224 XSetFillStyle (s
->display
, s
->gc
, FillOpaqueStippled
);
2225 XFillRectangle (s
->display
, s
->window
, s
->gc
, x
, y
, w
, h
);
2226 XSetFillStyle (s
->display
, s
->gc
, FillSolid
);
2230 x_clear_glyph_string_rect (s
, x
, y
, w
, h
);
2234 /* Draw image glyph string S.
2237 s->x +-------------------------
2240 | +-------------------------
2243 | | +-------------------
2249 x_draw_image_glyph_string (s
)
2250 struct glyph_string
*s
;
2253 int box_line_hwidth
= abs (s
->face
->box_line_width
);
2254 int box_line_vwidth
= max (s
->face
->box_line_width
, 0);
2258 height
= s
->height
- 2 * box_line_vwidth
;
2260 /* Fill background with face under the image. Do it only if row is
2261 taller than image or if image has a clip mask to reduce
2263 s
->stippled_p
= s
->face
->stipple
!= 0;
2264 if (height
> s
->slice
.height
2268 || s
->img
->pixmap
== 0
2269 || s
->width
!= s
->background_width
)
2272 if (s
->first_glyph
->left_box_line_p
2274 x
+= box_line_hwidth
;
2277 if (s
->slice
.y
== 0)
2278 y
+= box_line_vwidth
;
2280 #if 0 /* TODO: figure out if we need to do this on Windows. */
2283 /* Create a pixmap as large as the glyph string. Fill it
2284 with the background color. Copy the image to it, using
2285 its mask. Copy the temporary pixmap to the display. */
2286 Screen
*screen
= FRAME_X_SCREEN (s
->f
);
2287 int depth
= DefaultDepthOfScreen (screen
);
2289 /* Create a pixmap as large as the glyph string. */
2290 pixmap
= XCreatePixmap (s
->display
, s
->window
,
2291 s
->background_width
,
2294 /* Don't clip in the following because we're working on the
2296 XSetClipMask (s
->display
, s
->gc
, None
);
2298 /* Fill the pixmap with the background color/stipple. */
2301 /* Fill background with a stipple pattern. */
2302 XSetFillStyle (s
->display
, s
->gc
, FillOpaqueStippled
);
2303 XFillRectangle (s
->display
, pixmap
, s
->gc
,
2304 0, 0, s
->background_width
, s
->height
);
2305 XSetFillStyle (s
->display
, s
->gc
, FillSolid
);
2310 XGetGCValues (s
->display
, s
->gc
, GCForeground
| GCBackground
,
2312 XSetForeground (s
->display
, s
->gc
, xgcv
.background
);
2313 XFillRectangle (s
->display
, pixmap
, s
->gc
,
2314 0, 0, s
->background_width
, s
->height
);
2315 XSetForeground (s
->display
, s
->gc
, xgcv
.foreground
);
2320 x_draw_glyph_string_bg_rect (s
, x
, y
, s
->background_width
, height
);
2322 s
->background_filled_p
= 1;
2325 /* Draw the foreground. */
2328 w32_draw_image_foreground_1 (s
, pixmap
);
2329 x_set_glyph_string_clipping (s
);
2331 HDC compat_hdc
= CreateCompatibleDC (s
->hdc
);
2332 HBRUSH fg_brush
= CreateSolidBrush (s
->gc
->foreground
);
2333 HBRUSH orig_brush
= SelectObject (s
->hdc
, fg_brush
);
2334 HGDIOBJ orig_obj
= SelectObject (compat_hdc
, pixmap
);
2336 SetTextColor (s
->hdc
, s
->gc
->foreground
);
2337 SetBkColor (s
->hdc
, s
->gc
->background
);
2338 BitBlt (s
->hdc
, s
->x
, s
->y
, s
->background_width
, s
->height
,
2339 compat_hdc
, 0, 0, SRCCOPY
);
2341 SelectObject (s
->hdc
, orig_brush
);
2342 DeleteObject (fg_brush
);
2343 SelectObject (compat_hdc
, orig_obj
);
2344 DeleteDC (compat_hdc
);
2346 DeleteObject (pixmap
);
2350 x_draw_image_foreground (s
);
2352 /* If we must draw a relief around the image, do it. */
2354 || s
->hl
== DRAW_IMAGE_RAISED
2355 || s
->hl
== DRAW_IMAGE_SUNKEN
)
2356 x_draw_image_relief (s
);
2360 /* Draw stretch glyph string S. */
2363 x_draw_stretch_glyph_string (s
)
2364 struct glyph_string
*s
;
2366 xassert (s
->first_glyph
->type
== STRETCH_GLYPH
);
2367 s
->stippled_p
= s
->face
->stipple
!= 0;
2369 if (s
->hl
== DRAW_CURSOR
2370 && !x_stretch_cursor_p
)
2372 /* If `x-stretch-block-cursor' is nil, don't draw a block cursor
2373 as wide as the stretch glyph. */
2374 int width
, background_width
= s
->background_width
;
2375 int x
= s
->x
, left_x
= window_box_left_offset (s
->w
, TEXT_AREA
);
2379 background_width
-= left_x
- x
;
2382 width
= min (FRAME_COLUMN_WIDTH (s
->f
), background_width
);
2385 x_draw_glyph_string_bg_rect (s
, x
, s
->y
, width
, s
->height
);
2387 /* Clear rest using the GC of the original non-cursor face. */
2388 if (width
< background_width
)
2390 XGCValues
*gc
= s
->face
->gc
;
2392 int w
= background_width
- width
, h
= s
->height
;
2397 if (s
->row
->mouse_face_p
2398 && cursor_in_mouse_face_p (s
->w
))
2400 x_set_mouse_face_gc (s
);
2406 get_glyph_string_clip_rect (s
, &r
);
2407 w32_set_clip_rectangle (hdc
, &r
);
2409 #if 0 /* TODO: stipple */
2410 if (s
->face
->stipple
)
2412 /* Fill background with a stipple pattern. */
2413 XSetFillStyle (s
->display
, gc
, FillOpaqueStippled
);
2414 XFillRectangle (s
->display
, s
->window
, gc
, x
, y
, w
, h
);
2415 XSetFillStyle (s
->display
, gc
, FillSolid
);
2420 w32_fill_area (s
->f
, s
->hdc
, gc
->background
, x
, y
, w
, h
);
2424 else if (!s
->background_filled_p
)
2426 int background_width
= s
->background_width
;
2427 int x
= s
->x
, left_x
= window_box_left_offset (s
->w
, TEXT_AREA
);
2429 /* Don't draw into left margin, fringe or scrollbar area
2430 except for header line and mode line. */
2431 if (x
< left_x
&& !s
->row
->mode_line_p
)
2433 background_width
-= left_x
- x
;
2436 if (background_width
> 0)
2437 x_draw_glyph_string_bg_rect (s
, x
, s
->y
, background_width
, s
->height
);
2440 s
->background_filled_p
= 1;
2444 /* Draw glyph string S. */
2447 x_draw_glyph_string (s
)
2448 struct glyph_string
*s
;
2450 int relief_drawn_p
= 0;
2452 /* If S draws into the background of its successor, draw the
2453 background of the successor first so that S can draw into it.
2454 This makes S->next use XDrawString instead of XDrawImageString. */
2455 if (s
->next
&& s
->right_overhang
&& !s
->for_overlaps
)
2457 xassert (s
->next
->img
== NULL
);
2458 x_set_glyph_string_gc (s
->next
);
2459 x_set_glyph_string_clipping (s
->next
);
2460 x_draw_glyph_string_background (s
->next
, 1);
2463 /* Set up S->gc, set clipping and draw S. */
2464 x_set_glyph_string_gc (s
);
2466 /* Draw relief (if any) in advance for char/composition so that the
2467 glyph string can be drawn over it. */
2468 if (!s
->for_overlaps
2469 && s
->face
->box
!= FACE_NO_BOX
2470 && (s
->first_glyph
->type
== CHAR_GLYPH
2471 || s
->first_glyph
->type
== COMPOSITE_GLYPH
))
2474 x_set_glyph_string_clipping (s
);
2475 x_draw_glyph_string_background (s
, 1);
2476 x_draw_glyph_string_box (s
);
2477 x_set_glyph_string_clipping (s
);
2481 x_set_glyph_string_clipping (s
);
2483 switch (s
->first_glyph
->type
)
2486 x_draw_image_glyph_string (s
);
2490 x_draw_stretch_glyph_string (s
);
2494 if (s
->for_overlaps
)
2495 s
->background_filled_p
= 1;
2497 x_draw_glyph_string_background (s
, 0);
2498 x_draw_glyph_string_foreground (s
);
2501 case COMPOSITE_GLYPH
:
2502 if (s
->for_overlaps
|| s
->gidx
> 0)
2503 s
->background_filled_p
= 1;
2505 x_draw_glyph_string_background (s
, 1);
2506 x_draw_composite_glyph_string_foreground (s
);
2513 if (!s
->for_overlaps
)
2515 /* Draw underline. */
2516 if (s
->face
->underline_p
2517 && (s
->font
->bdf
|| !s
->font
->tm
.tmUnderlined
))
2519 unsigned long h
= 1;
2520 unsigned long dy
= 0;
2522 if (x_underline_at_descent_line
)
2526 /* TODO: Use font information for positioning and thickness of
2527 underline. See OUTLINETEXTMETRIC, and xterm.c. Note: If
2528 you make this work, don't forget to change the doc string of
2529 x-use-underline-position-properties below. */
2532 if (s
->face
->underline_defaulted_p
)
2534 w32_fill_area (s
->f
, s
->hdc
, s
->gc
->foreground
, s
->x
,
2535 s
->y
+ dy
, s
->background_width
, 1);
2539 w32_fill_area (s
->f
, s
->hdc
, s
->face
->underline_color
, s
->x
,
2540 s
->y
+ dy
, s
->background_width
, 1);
2544 /* Draw overline. */
2545 if (s
->face
->overline_p
)
2547 unsigned long dy
= 0, h
= 1;
2549 if (s
->face
->overline_color_defaulted_p
)
2551 w32_fill_area (s
->f
, s
->hdc
, s
->gc
->foreground
, s
->x
,
2552 s
->y
+ dy
, s
->background_width
, h
);
2556 w32_fill_area (s
->f
, s
->hdc
, s
->face
->overline_color
, s
->x
,
2557 s
->y
+ dy
, s
->background_width
, h
);
2561 /* Draw strike-through. */
2562 if (s
->face
->strike_through_p
2563 && (s
->font
->bdf
|| !s
->font
->tm
.tmStruckOut
))
2565 unsigned long h
= 1;
2566 unsigned long dy
= (s
->height
- h
) / 2;
2568 if (s
->face
->strike_through_color_defaulted_p
)
2570 w32_fill_area (s
->f
, s
->hdc
, s
->gc
->foreground
, s
->x
, s
->y
+ dy
,
2575 w32_fill_area (s
->f
, s
->hdc
, s
->face
->strike_through_color
, s
->x
,
2576 s
->y
+ dy
, s
->width
, h
);
2581 if (!relief_drawn_p
&& s
->face
->box
!= FACE_NO_BOX
)
2582 x_draw_glyph_string_box (s
);
2585 /* Reset clipping. */
2586 w32_set_clip_rectangle (s
->hdc
, NULL
);
2590 /* Shift display to make room for inserted glyphs. */
2593 w32_shift_glyphs_for_insert (f
, x
, y
, width
, height
, shift_by
)
2595 int x
, y
, width
, height
, shift_by
;
2599 hdc
= get_frame_dc (f
);
2600 BitBlt (hdc
, x
+ shift_by
, y
, width
, height
,
2601 hdc
, x
, y
, SRCCOPY
);
2603 release_frame_dc (f
, hdc
);
2607 /* Delete N glyphs at the nominal cursor position. Not implemented
2619 f
= SELECTED_FRAME ();
2621 if (! FRAME_W32_P (f
))
2628 /* Clear entire frame. If updating_frame is non-null, clear that
2629 frame. Otherwise clear the selected frame. */
2639 f
= SELECTED_FRAME ();
2641 if (! FRAME_W32_P (f
))
2644 /* Clearing the frame will erase any cursor, so mark them all as no
2646 mark_window_cursors_off (XWINDOW (FRAME_ROOT_WINDOW (f
)));
2647 output_cursor
.hpos
= output_cursor
.vpos
= 0;
2648 output_cursor
.x
= -1;
2650 /* We don't set the output cursor here because there will always
2651 follow an explicit cursor_to. */
2654 w32_clear_window (f
);
2656 /* We have to clear the scroll bars, too. If we have changed
2657 colors or something like that, then they should be notified. */
2658 x_scroll_bar_clear (f
);
2664 /* Make audible bell. */
2667 w32_ring_bell (void)
2671 f
= SELECTED_FRAME ();
2675 if (FRAME_W32_P (f
) && visible_bell
)
2678 HWND hwnd
= FRAME_W32_WINDOW (SELECTED_FRAME ());
2680 for (i
= 0; i
< 5; i
++)
2682 FlashWindow (hwnd
, TRUE
);
2685 FlashWindow (hwnd
, FALSE
);
2688 w32_sys_ring_bell ();
2694 /* Specify how many text lines, from the top of the window,
2695 should be affected by insert-lines and delete-lines operations.
2696 This, and those operations, are used only within an update
2697 that is bounded by calls to x_update_begin and x_update_end. */
2700 w32_set_terminal_window (n
)
2703 /* This function intentionally left blank. */
2707 /***********************************************************************
2709 ***********************************************************************/
2711 /* Perform an insert-lines or delete-lines operation, inserting N
2712 lines or deleting -N lines at vertical position VPOS. */
2715 x_ins_del_lines (vpos
, n
)
2723 f
= SELECTED_FRAME ();
2725 if (! FRAME_W32_P (f
))
2732 /* Scroll part of the display as described by RUN. */
2735 x_scroll_run (w
, run
)
2739 struct frame
*f
= XFRAME (w
->frame
);
2740 int x
, y
, width
, height
, from_y
, to_y
, bottom_y
;
2741 HWND hwnd
= FRAME_W32_WINDOW (f
);
2744 /* Get frame-relative bounding box of the text display area of W,
2745 without mode lines. Include in this box the left and right
2747 window_box (w
, -1, &x
, &y
, &width
, &height
);
2749 from_y
= WINDOW_TO_FRAME_PIXEL_Y (w
, run
->current_y
);
2750 to_y
= WINDOW_TO_FRAME_PIXEL_Y (w
, run
->desired_y
);
2751 bottom_y
= y
+ height
;
2755 /* Scrolling up. Make sure we don't copy part of the mode
2756 line at the bottom. */
2757 if (from_y
+ run
->height
> bottom_y
)
2758 height
= bottom_y
- from_y
;
2760 height
= run
->height
;
2761 expect_dirty
= CreateRectRgn (x
, y
+ height
, x
+ width
, bottom_y
);
2765 /* Scolling down. Make sure we don't copy over the mode line.
2767 if (to_y
+ run
->height
> bottom_y
)
2768 height
= bottom_y
- to_y
;
2770 height
= run
->height
;
2771 expect_dirty
= CreateRectRgn (x
, y
, x
+ width
, to_y
);
2776 /* Cursor off. Will be switched on again in x_update_window_end. */
2783 HRGN dirty
= CreateRectRgn (0, 0, 0, 0);
2784 HRGN combined
= CreateRectRgn (0, 0, 0, 0);
2786 from
.left
= to
.left
= x
;
2787 from
.right
= to
.right
= x
+ width
;
2789 from
.bottom
= from_y
+ height
;
2791 to
.bottom
= bottom_y
;
2793 ScrollWindowEx (hwnd
, 0, to_y
- from_y
, &from
, &to
, dirty
,
2794 NULL
, SW_INVALIDATE
);
2796 /* Combine this with what we expect to be dirty. This covers the
2797 case where not all of the region we expect is actually dirty. */
2798 CombineRgn (combined
, dirty
, expect_dirty
, RGN_OR
);
2800 /* If the dirty region is not what we expected, redraw the entire frame. */
2801 if (!EqualRgn (combined
, expect_dirty
))
2802 SET_FRAME_GARBAGED (f
);
2804 DeleteObject (dirty
);
2805 DeleteObject (combined
);
2809 DeleteObject (expect_dirty
);
2814 /***********************************************************************
2816 ***********************************************************************/
2822 x_update_cursor (f
, 1);
2826 frame_unhighlight (f
)
2829 x_update_cursor (f
, 1);
2832 /* The focus has changed. Update the frames as necessary to reflect
2833 the new situation. Note that we can't change the selected frame
2834 here, because the Lisp code we are interrupting might become confused.
2835 Each event gets marked with the frame in which it occurred, so the
2836 Lisp code can tell when the switch took place by examining the events. */
2839 x_new_focus_frame (dpyinfo
, frame
)
2840 struct w32_display_info
*dpyinfo
;
2841 struct frame
*frame
;
2843 struct frame
*old_focus
= dpyinfo
->w32_focus_frame
;
2845 if (frame
!= dpyinfo
->w32_focus_frame
)
2847 /* Set this before calling other routines, so that they see
2848 the correct value of w32_focus_frame. */
2849 dpyinfo
->w32_focus_frame
= frame
;
2851 if (old_focus
&& old_focus
->auto_lower
)
2852 x_lower_frame (old_focus
);
2854 if (dpyinfo
->w32_focus_frame
&& dpyinfo
->w32_focus_frame
->auto_raise
)
2855 pending_autoraise_frame
= dpyinfo
->w32_focus_frame
;
2857 pending_autoraise_frame
= 0;
2860 x_frame_rehighlight (dpyinfo
);
2864 /* Handle FocusIn and FocusOut state changes for FRAME.
2865 If FRAME has focus and there exists more than one frame, puts
2866 a FOCUS_IN_EVENT into *BUFP. */
2869 x_focus_changed (type
, state
, dpyinfo
, frame
, bufp
)
2872 struct w32_display_info
*dpyinfo
;
2873 struct frame
*frame
;
2874 struct input_event
*bufp
;
2876 if (type
== WM_SETFOCUS
)
2878 if (dpyinfo
->w32_focus_event_frame
!= frame
)
2880 x_new_focus_frame (dpyinfo
, frame
);
2881 dpyinfo
->w32_focus_event_frame
= frame
;
2883 /* Don't stop displaying the initial startup message
2884 for a switch-frame event we don't need. */
2885 if (GC_NILP (Vterminal_frame
)
2886 && GC_CONSP (Vframe_list
)
2887 && !GC_NILP (XCDR (Vframe_list
)))
2889 bufp
->kind
= FOCUS_IN_EVENT
;
2890 XSETFRAME (bufp
->frame_or_window
, frame
);
2894 frame
->output_data
.x
->focus_state
|= state
;
2896 /* TODO: IME focus? */
2898 else if (type
== WM_KILLFOCUS
)
2900 frame
->output_data
.x
->focus_state
&= ~state
;
2902 if (dpyinfo
->w32_focus_event_frame
== frame
)
2904 dpyinfo
->w32_focus_event_frame
= 0;
2905 x_new_focus_frame (dpyinfo
, 0);
2908 /* TODO: IME focus? */
2913 /* The focus may have changed. Figure out if it is a real focus change,
2914 by checking both FocusIn/Out and Enter/LeaveNotify events.
2916 Returns FOCUS_IN_EVENT event in *BUFP. */
2919 w32_detect_focus_change (dpyinfo
, event
, bufp
)
2920 struct w32_display_info
*dpyinfo
;
2922 struct input_event
*bufp
;
2924 struct frame
*frame
;
2926 frame
= x_any_window_to_frame (dpyinfo
, event
->msg
.hwnd
);
2930 /* On w32, this is only called from focus events, so no switch needed. */
2931 x_focus_changed (event
->msg
.message
,
2932 (event
->msg
.message
== WM_KILLFOCUS
?
2933 FOCUS_IMPLICIT
: FOCUS_EXPLICIT
),
2934 dpyinfo
, frame
, bufp
);
2938 /* Handle an event saying the mouse has moved out of an Emacs frame. */
2941 x_mouse_leave (dpyinfo
)
2942 struct w32_display_info
*dpyinfo
;
2944 x_new_focus_frame (dpyinfo
, dpyinfo
->w32_focus_event_frame
);
2947 /* The focus has changed, or we have redirected a frame's focus to
2948 another frame (this happens when a frame uses a surrogate
2949 mini-buffer frame). Shift the highlight as appropriate.
2951 The FRAME argument doesn't necessarily have anything to do with which
2952 frame is being highlighted or un-highlighted; we only use it to find
2953 the appropriate X display info. */
2956 w32_frame_rehighlight (frame
)
2957 struct frame
*frame
;
2959 if (! FRAME_W32_P (frame
))
2961 x_frame_rehighlight (FRAME_W32_DISPLAY_INFO (frame
));
2965 x_frame_rehighlight (dpyinfo
)
2966 struct w32_display_info
*dpyinfo
;
2968 struct frame
*old_highlight
= dpyinfo
->x_highlight_frame
;
2970 if (dpyinfo
->w32_focus_frame
)
2972 dpyinfo
->x_highlight_frame
2973 = ((GC_FRAMEP (FRAME_FOCUS_FRAME (dpyinfo
->w32_focus_frame
)))
2974 ? XFRAME (FRAME_FOCUS_FRAME (dpyinfo
->w32_focus_frame
))
2975 : dpyinfo
->w32_focus_frame
);
2976 if (! FRAME_LIVE_P (dpyinfo
->x_highlight_frame
))
2978 FRAME_FOCUS_FRAME (dpyinfo
->w32_focus_frame
) = Qnil
;
2979 dpyinfo
->x_highlight_frame
= dpyinfo
->w32_focus_frame
;
2983 dpyinfo
->x_highlight_frame
= 0;
2985 if (dpyinfo
->x_highlight_frame
!= old_highlight
)
2988 frame_unhighlight (old_highlight
);
2989 if (dpyinfo
->x_highlight_frame
)
2990 frame_highlight (dpyinfo
->x_highlight_frame
);
2994 /* Keyboard processing - modifier keys, etc. */
2996 /* Convert a keysym to its name. */
2999 x_get_keysym_name (keysym
)
3002 /* Make static so we can always return it */
3003 static char value
[100];
3006 GetKeyNameText (keysym
, value
, 100);
3014 /* Mouse clicks and mouse movement. Rah. */
3016 /* Parse a button MESSAGE. The button index is returned in PBUTTON, and
3017 the state in PUP. XBUTTON provides extra information for extended mouse
3018 button messages. Returns FALSE if unable to parse the message. */
3020 parse_button (message
, xbutton
, pbutton
, pup
)
3031 case WM_LBUTTONDOWN
:
3039 case WM_MBUTTONDOWN
:
3040 if (NILP (Vw32_swap_mouse_buttons
))
3047 if (NILP (Vw32_swap_mouse_buttons
))
3053 case WM_RBUTTONDOWN
:
3054 if (NILP (Vw32_swap_mouse_buttons
))
3061 if (NILP (Vw32_swap_mouse_buttons
))
3067 case WM_XBUTTONDOWN
:
3068 button
= xbutton
+ 2;
3072 button
= xbutton
+ 2;
3080 if (pbutton
) *pbutton
= button
;
3086 /* Prepare a mouse-event in *RESULT for placement in the input queue.
3088 If the event is a button press, then note that we have grabbed
3092 construct_mouse_click (result
, msg
, f
)
3093 struct input_event
*result
;
3100 parse_button (msg
->msg
.message
, HIWORD (msg
->msg
.wParam
),
3103 /* Make the event type NO_EVENT; we'll change that when we decide
3105 result
->kind
= MOUSE_CLICK_EVENT
;
3106 result
->code
= button
;
3107 result
->timestamp
= msg
->msg
.time
;
3108 result
->modifiers
= (msg
->dwModifiers
3113 XSETINT (result
->x
, LOWORD (msg
->msg
.lParam
));
3114 XSETINT (result
->y
, HIWORD (msg
->msg
.lParam
));
3115 XSETFRAME (result
->frame_or_window
, f
);
3121 construct_mouse_wheel (result
, msg
, f
)
3122 struct input_event
*result
;
3129 result
->kind
= WHEEL_EVENT
;
3131 result
->timestamp
= msg
->msg
.time
;
3133 /* A WHEEL_DELTA positive value indicates that the wheel was rotated
3134 forward, away from the user (up); a negative value indicates that
3135 the wheel was rotated backward, toward the user (down). */
3136 delta
= GET_WHEEL_DELTA_WPARAM (msg
->msg
.wParam
);
3138 /* The up and down modifiers indicate if the wheel was rotated up or
3139 down based on WHEEL_DELTA value. */
3140 result
->modifiers
= (msg
->dwModifiers
3141 | ((delta
< 0 ) ? down_modifier
: up_modifier
));
3143 /* With multiple monitors, we can legitimately get negative
3144 coordinates, so cast to short to interpret them correctly. */
3145 p
.x
= (short) LOWORD (msg
->msg
.lParam
);
3146 p
.y
= (short) HIWORD (msg
->msg
.lParam
);
3147 ScreenToClient (msg
->msg
.hwnd
, &p
);
3148 XSETINT (result
->x
, p
.x
);
3149 XSETINT (result
->y
, p
.y
);
3150 XSETFRAME (result
->frame_or_window
, f
);
3156 construct_drag_n_drop (result
, msg
, f
)
3157 struct input_event
*result
;
3169 result
->kind
= DRAG_N_DROP_EVENT
;
3171 result
->timestamp
= msg
->msg
.time
;
3172 result
->modifiers
= msg
->dwModifiers
;
3174 hdrop
= (HDROP
) msg
->msg
.wParam
;
3175 DragQueryPoint (hdrop
, &p
);
3178 p
.x
= LOWORD (msg
->msg
.lParam
);
3179 p
.y
= HIWORD (msg
->msg
.lParam
);
3180 ScreenToClient (msg
->msg
.hwnd
, &p
);
3183 XSETINT (result
->x
, p
.x
);
3184 XSETINT (result
->y
, p
.y
);
3186 num_files
= DragQueryFile (hdrop
, 0xFFFFFFFF, NULL
, 0);
3189 for (i
= 0; i
< num_files
; i
++)
3191 len
= DragQueryFile (hdrop
, i
, NULL
, 0);
3194 name
= alloca (len
+ 1);
3195 DragQueryFile (hdrop
, i
, name
, len
+ 1);
3196 files
= Fcons (DECODE_FILE (build_string (name
)), files
);
3201 XSETFRAME (frame
, f
);
3202 result
->frame_or_window
= frame
;
3203 result
->arg
= files
;
3208 /* Function to report a mouse movement to the mainstream Emacs code.
3209 The input handler calls this.
3211 We have received a mouse movement event, which is given in *event.
3212 If the mouse is over a different glyph than it was last time, tell
3213 the mainstream emacs code by setting mouse_moved. If not, ask for
3214 another motion event, so we can check again the next time it moves. */
3216 static MSG last_mouse_motion_event
;
3217 static Lisp_Object last_mouse_motion_frame
;
3220 note_mouse_movement (frame
, msg
)
3224 int mouse_x
= LOWORD (msg
->lParam
);
3225 int mouse_y
= HIWORD (msg
->lParam
);
3227 last_mouse_movement_time
= msg
->time
;
3228 memcpy (&last_mouse_motion_event
, msg
, sizeof (last_mouse_motion_event
));
3229 XSETFRAME (last_mouse_motion_frame
, frame
);
3231 if (msg
->hwnd
!= FRAME_W32_WINDOW (frame
))
3233 frame
->mouse_moved
= 1;
3234 last_mouse_scroll_bar
= Qnil
;
3235 note_mouse_highlight (frame
, -1, -1);
3236 last_mouse_glyph_frame
= 0;
3240 /* Has the mouse moved off the glyph it was on at the last sighting? */
3241 if (frame
!= last_mouse_glyph_frame
3242 || mouse_x
< last_mouse_glyph
.left
3243 || mouse_x
>= last_mouse_glyph
.right
3244 || mouse_y
< last_mouse_glyph
.top
3245 || mouse_y
>= last_mouse_glyph
.bottom
)
3247 frame
->mouse_moved
= 1;
3248 last_mouse_scroll_bar
= Qnil
;
3249 note_mouse_highlight (frame
, mouse_x
, mouse_y
);
3250 /* Remember the mouse position here, as w32_mouse_position only
3251 gets called when mouse tracking is enabled but we also need
3252 to keep track of the mouse for help_echo and highlighting at
3254 remember_mouse_glyph (frame
, mouse_x
, mouse_y
, &last_mouse_glyph
);
3255 last_mouse_glyph_frame
= frame
;
3263 /************************************************************************
3265 ************************************************************************/
3267 static struct scroll_bar
*x_window_to_scroll_bar ();
3268 static void x_scroll_bar_report_motion ();
3269 static void x_check_fullscreen
P_ ((struct frame
*));
3272 redo_mouse_highlight ()
3274 if (!NILP (last_mouse_motion_frame
)
3275 && FRAME_LIVE_P (XFRAME (last_mouse_motion_frame
)))
3276 note_mouse_highlight (XFRAME (last_mouse_motion_frame
),
3277 LOWORD (last_mouse_motion_event
.lParam
),
3278 HIWORD (last_mouse_motion_event
.lParam
));
3282 w32_define_cursor (window
, cursor
)
3286 PostMessage (window
, WM_EMACS_SETCURSOR
, (WPARAM
) cursor
, 0);
3288 /* Return the current position of the mouse.
3289 *fp should be a frame which indicates which display to ask about.
3291 If the mouse movement started in a scroll bar, set *fp, *bar_window,
3292 and *part to the frame, window, and scroll bar part that the mouse
3293 is over. Set *x and *y to the portion and whole of the mouse's
3294 position on the scroll bar.
3296 If the mouse movement started elsewhere, set *fp to the frame the
3297 mouse is on, *bar_window to nil, and *x and *y to the character cell
3300 Set *time to the server time-stamp for the time at which the mouse
3301 was at this position.
3303 Don't store anything if we don't have a valid set of values to report.
3305 This clears the mouse_moved flag, so we can wait for the next mouse
3309 w32_mouse_position (fp
, insist
, bar_window
, part
, x
, y
, time
)
3312 Lisp_Object
*bar_window
;
3313 enum scroll_bar_part
*part
;
3315 unsigned long *time
;
3321 if (! NILP (last_mouse_scroll_bar
) && insist
== 0)
3322 x_scroll_bar_report_motion (fp
, bar_window
, part
, x
, y
, time
);
3327 Lisp_Object frame
, tail
;
3329 /* Clear the mouse-moved flag for every frame on this display. */
3330 FOR_EACH_FRAME (tail
, frame
)
3331 XFRAME (frame
)->mouse_moved
= 0;
3333 last_mouse_scroll_bar
= Qnil
;
3337 /* Now we have a position on the root; find the innermost window
3338 containing the pointer. */
3340 if (FRAME_W32_DISPLAY_INFO (*fp
)->grabbed
&& last_mouse_frame
3341 && FRAME_LIVE_P (last_mouse_frame
))
3343 /* If mouse was grabbed on a frame, give coords for that frame
3344 even if the mouse is now outside it. */
3345 f1
= last_mouse_frame
;
3349 /* Is window under mouse one of our frames? */
3350 f1
= x_any_window_to_frame (FRAME_W32_DISPLAY_INFO (*fp
),
3351 WindowFromPoint (pt
));
3354 /* If not, is it one of our scroll bars? */
3357 struct scroll_bar
*bar
3358 = x_window_to_scroll_bar (WindowFromPoint (pt
));
3362 f1
= XFRAME (WINDOW_FRAME (XWINDOW (bar
->window
)));
3366 if (f1
== 0 && insist
> 0)
3367 f1
= SELECTED_FRAME ();
3371 /* Ok, we found a frame. Store all the values.
3372 last_mouse_glyph is a rectangle used to reduce the
3373 generation of mouse events. To not miss any motion
3374 events, we must divide the frame into rectangles of the
3375 size of the smallest character that could be displayed
3376 on it, i.e. into the same rectangles that matrices on
3377 the frame are divided into. */
3379 ScreenToClient (FRAME_W32_WINDOW (f1
), &pt
);
3380 remember_mouse_glyph (f1
, pt
.x
, pt
.y
, &last_mouse_glyph
);
3381 last_mouse_glyph_frame
= f1
;
3388 *time
= last_mouse_movement_time
;
3397 /***********************************************************************
3399 ***********************************************************************/
3401 /* Handle mouse button event on the tool-bar of frame F, at
3402 frame-relative coordinates X/Y. EVENT_TYPE is either ButtionPress
3406 w32_handle_tool_bar_click (f
, button_event
)
3408 struct input_event
*button_event
;
3410 int x
= XFASTINT (button_event
->x
);
3411 int y
= XFASTINT (button_event
->y
);
3413 if (button_event
->modifiers
& down_modifier
)
3414 handle_tool_bar_click (f
, x
, y
, 1, 0);
3416 handle_tool_bar_click (f
, x
, y
, 0,
3417 button_event
->modifiers
& ~up_modifier
);
3422 /***********************************************************************
3424 ***********************************************************************/
3426 /* Scroll bar support. */
3428 /* Given a window ID, find the struct scroll_bar which manages it.
3429 This can be called in GC, so we have to make sure to strip off mark
3432 static struct scroll_bar
*
3433 x_window_to_scroll_bar (window_id
)
3438 for (tail
= Vframe_list
;
3439 XGCTYPE (tail
) == Lisp_Cons
;
3442 Lisp_Object frame
, bar
, condemned
;
3444 frame
= XCAR (tail
);
3445 /* All elements of Vframe_list should be frames. */
3446 if (! GC_FRAMEP (frame
))
3449 /* Scan this frame's scroll bar list for a scroll bar with the
3451 condemned
= FRAME_CONDEMNED_SCROLL_BARS (XFRAME (frame
));
3452 for (bar
= FRAME_SCROLL_BARS (XFRAME (frame
));
3453 /* This trick allows us to search both the ordinary and
3454 condemned scroll bar lists with one loop. */
3455 ! GC_NILP (bar
) || (bar
= condemned
,
3458 bar
= XSCROLL_BAR (bar
)->next
)
3459 if (SCROLL_BAR_W32_WINDOW (XSCROLL_BAR (bar
)) == window_id
)
3460 return XSCROLL_BAR (bar
);
3468 /* Set the thumb size and position of scroll bar BAR. We are currently
3469 displaying PORTION out of a whole WHOLE, and our position POSITION. */
3472 w32_set_scroll_bar_thumb (bar
, portion
, position
, whole
)
3473 struct scroll_bar
*bar
;
3474 int portion
, position
, whole
;
3476 Window w
= SCROLL_BAR_W32_WINDOW (bar
);
3477 /* We use the whole scroll-bar height in the calculations below, to
3478 avoid strange effects like scrolling backwards when just clicking
3479 on the handle (without moving it). */
3480 double range
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
))
3481 + VERTICAL_SCROLL_BAR_MIN_HANDLE
;
3482 int sb_page
, sb_pos
;
3483 BOOL draggingp
= !NILP (bar
->dragging
) ? TRUE
: FALSE
;
3486 /* We used to change the nPage setting while dragging the handle,
3487 but that had very strange effects (such as scrolling backwards
3488 while dragging downwards).
3490 Now, we don't change the nPage setting while dragging unless we
3491 get near to the end of the buffer, in which case we often have to
3492 resize the handle to "go all the way". */
3498 si
.cbSize
= sizeof (si
);
3499 si
.fMask
= SIF_POS
| SIF_PAGE
;
3500 GetScrollInfo(w
, SB_CTL
, &si
);
3501 near_bottom_p
= si
.nPos
+ si
.nPage
>= range
;
3509 /* Position scroll bar at rock bottom if the bottom of the
3510 buffer is visible. This avoids shinking the thumb away
3511 to nothing if it is held at the bottom of the buffer. */
3512 if (position
+ portion
>= whole
&& !draggingp
)
3514 sb_page
= range
* (whole
- position
) / whole
;
3519 sb_pos
= position
* range
/ whole
;
3520 sb_page
= (min (portion
, (whole
- position
)) * range
) / whole
;
3529 sb_page
= max (sb_page
, VERTICAL_SCROLL_BAR_MIN_HANDLE
);
3533 si
.cbSize
= sizeof (si
);
3534 si
.fMask
= SIF_PAGE
| SIF_POS
;
3538 SetScrollInfo (w
, SB_CTL
, &si
, TRUE
);
3544 /************************************************************************
3545 Scroll bars, general
3546 ************************************************************************/
3549 my_create_scrollbar (f
, bar
)
3551 struct scroll_bar
* bar
;
3553 return (HWND
) SendMessage (FRAME_W32_WINDOW (f
),
3554 WM_EMACS_CREATESCROLLBAR
, (WPARAM
) f
,
3558 /*#define ATTACH_THREADS*/
3561 my_show_window (FRAME_PTR f
, HWND hwnd
, int how
)
3563 #ifndef ATTACH_THREADS
3564 return SendMessage (FRAME_W32_WINDOW (f
), WM_EMACS_SHOWWINDOW
,
3565 (WPARAM
) hwnd
, (LPARAM
) how
);
3567 return ShowWindow (hwnd
, how
);
3572 my_set_window_pos (HWND hwnd
, HWND hwndAfter
,
3573 int x
, int y
, int cx
, int cy
, UINT flags
)
3575 #ifndef ATTACH_THREADS
3577 pos
.hwndInsertAfter
= hwndAfter
;
3583 SendMessage (hwnd
, WM_EMACS_SETWINDOWPOS
, (WPARAM
) &pos
, 0);
3585 SetWindowPos (hwnd
, hwndAfter
, x
, y
, cx
, cy
, flags
);
3590 my_set_focus (f
, hwnd
)
3594 SendMessage (FRAME_W32_WINDOW (f
), WM_EMACS_SETFOCUS
,
3599 my_set_foreground_window (hwnd
)
3602 SendMessage (hwnd
, WM_EMACS_SETFOREGROUND
, (WPARAM
) hwnd
, 0);
3607 my_destroy_window (f
, hwnd
)
3611 SendMessage (FRAME_W32_WINDOW (f
), WM_EMACS_DESTROYWINDOW
,
3615 /* Create a scroll bar and return the scroll bar vector for it. W is
3616 the Emacs window on which to create the scroll bar. TOP, LEFT,
3617 WIDTH and HEIGHT are.the pixel coordinates and dimensions of the
3620 static struct scroll_bar
*
3621 x_scroll_bar_create (w
, top
, left
, width
, height
)
3623 int top
, left
, width
, height
;
3625 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
3628 struct scroll_bar
*bar
3629 = XSCROLL_BAR (Fmake_vector (make_number (SCROLL_BAR_VEC_SIZE
), Qnil
));
3633 XSETWINDOW (bar
->window
, w
);
3634 XSETINT (bar
->top
, top
);
3635 XSETINT (bar
->left
, left
);
3636 XSETINT (bar
->width
, width
);
3637 XSETINT (bar
->height
, height
);
3638 XSETINT (bar
->start
, 0);
3639 XSETINT (bar
->end
, 0);
3640 bar
->dragging
= Qnil
;
3642 /* Requires geometry to be set before call to create the real window */
3644 hwnd
= my_create_scrollbar (f
, bar
);
3646 si
.cbSize
= sizeof (si
);
3649 si
.nMax
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, height
)
3650 + VERTICAL_SCROLL_BAR_MIN_HANDLE
;
3654 SetScrollInfo (hwnd
, SB_CTL
, &si
, FALSE
);
3656 SET_SCROLL_BAR_W32_WINDOW (bar
, hwnd
);
3658 /* Add bar to its frame's list of scroll bars. */
3659 bar
->next
= FRAME_SCROLL_BARS (f
);
3661 XSETVECTOR (FRAME_SCROLL_BARS (f
), bar
);
3662 if (! NILP (bar
->next
))
3663 XSETVECTOR (XSCROLL_BAR (bar
->next
)->prev
, bar
);
3671 /* Destroy scroll bar BAR, and set its Emacs window's scroll bar to
3675 x_scroll_bar_remove (bar
)
3676 struct scroll_bar
*bar
;
3678 FRAME_PTR f
= XFRAME (WINDOW_FRAME (XWINDOW (bar
->window
)));
3682 /* Destroy the window. */
3683 my_destroy_window (f
, SCROLL_BAR_W32_WINDOW (bar
));
3685 /* Disassociate this scroll bar from its window. */
3686 XWINDOW (bar
->window
)->vertical_scroll_bar
= Qnil
;
3691 /* Set the handle of the vertical scroll bar for WINDOW to indicate
3692 that we are displaying PORTION characters out of a total of WHOLE
3693 characters, starting at POSITION. If WINDOW has no scroll bar,
3696 w32_set_vertical_scroll_bar (w
, portion
, whole
, position
)
3698 int portion
, whole
, position
;
3700 struct frame
*f
= XFRAME (w
->frame
);
3701 struct scroll_bar
*bar
;
3702 int top
, height
, left
, sb_left
, width
, sb_width
;
3703 int window_y
, window_height
;
3705 /* Get window dimensions. */
3706 window_box (w
, -1, 0, &window_y
, 0, &window_height
);
3708 width
= WINDOW_CONFIG_SCROLL_BAR_COLS (w
) * FRAME_COLUMN_WIDTH (f
);
3709 height
= window_height
;
3711 /* Compute the left edge of the scroll bar area. */
3712 left
= WINDOW_SCROLL_BAR_AREA_X (w
);
3714 /* Compute the width of the scroll bar which might be less than
3715 the width of the area reserved for the scroll bar. */
3716 if (WINDOW_CONFIG_SCROLL_BAR_WIDTH (w
) > 0)
3717 sb_width
= WINDOW_CONFIG_SCROLL_BAR_WIDTH (w
);
3721 /* Compute the left edge of the scroll bar. */
3722 if (WINDOW_HAS_VERTICAL_SCROLL_BAR_ON_RIGHT (w
))
3723 sb_left
= left
+ width
- sb_width
- (width
- sb_width
) / 2;
3725 sb_left
= left
+ (width
- sb_width
) / 2;
3727 /* Does the scroll bar exist yet? */
3728 if (NILP (w
->vertical_scroll_bar
))
3732 if (width
> 0 && height
> 0)
3734 hdc
= get_frame_dc (f
);
3735 w32_clear_area (f
, hdc
, left
, top
, width
, height
);
3736 release_frame_dc (f
, hdc
);
3740 bar
= x_scroll_bar_create (w
, top
, sb_left
, sb_width
, height
);
3744 /* It may just need to be moved and resized. */
3747 bar
= XSCROLL_BAR (w
->vertical_scroll_bar
);
3748 hwnd
= SCROLL_BAR_W32_WINDOW (bar
);
3750 /* If already correctly positioned, do nothing. */
3751 if ( XINT (bar
->left
) == sb_left
3752 && XINT (bar
->top
) == top
3753 && XINT (bar
->width
) == sb_width
3754 && XINT (bar
->height
) == height
)
3756 /* Redraw after clear_frame. */
3757 if (!my_show_window (f
, hwnd
, SW_NORMAL
))
3758 InvalidateRect (hwnd
, NULL
, FALSE
);
3766 if (width
&& height
)
3768 hdc
= get_frame_dc (f
);
3769 /* Since Windows scroll bars are smaller than the space reserved
3770 for them on the frame, we have to clear "under" them. */
3771 w32_clear_area (f
, hdc
,
3776 release_frame_dc (f
, hdc
);
3778 /* Make sure scroll bar is "visible" before moving, to ensure the
3779 area of the parent window now exposed will be refreshed. */
3780 my_show_window (f
, hwnd
, SW_HIDE
);
3781 MoveWindow (hwnd
, sb_left
+ VERTICAL_SCROLL_BAR_WIDTH_TRIM
,
3782 top
, sb_width
- VERTICAL_SCROLL_BAR_WIDTH_TRIM
* 2,
3783 max (height
, 1), TRUE
);
3785 si
.cbSize
= sizeof (si
);
3786 si
.fMask
= SIF_RANGE
;
3788 si
.nMax
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, height
)
3789 + VERTICAL_SCROLL_BAR_MIN_HANDLE
;
3791 SetScrollInfo (hwnd
, SB_CTL
, &si
, FALSE
);
3793 my_show_window (f
, hwnd
, SW_NORMAL
);
3794 /* InvalidateRect (w, NULL, FALSE); */
3796 /* Remember new settings. */
3797 XSETINT (bar
->left
, sb_left
);
3798 XSETINT (bar
->top
, top
);
3799 XSETINT (bar
->width
, sb_width
);
3800 XSETINT (bar
->height
, height
);
3805 w32_set_scroll_bar_thumb (bar
, portion
, position
, whole
);
3807 XSETVECTOR (w
->vertical_scroll_bar
, bar
);
3811 /* The following three hooks are used when we're doing a thorough
3812 redisplay of the frame. We don't explicitly know which scroll bars
3813 are going to be deleted, because keeping track of when windows go
3814 away is a real pain - "Can you say set-window-configuration, boys
3815 and girls?" Instead, we just assert at the beginning of redisplay
3816 that *all* scroll bars are to be removed, and then save a scroll bar
3817 from the fiery pit when we actually redisplay its window. */
3819 /* Arrange for all scroll bars on FRAME to be removed at the next call
3820 to `*judge_scroll_bars_hook'. A scroll bar may be spared if
3821 `*redeem_scroll_bar_hook' is applied to its window before the judgment. */
3824 w32_condemn_scroll_bars (frame
)
3827 /* Transfer all the scroll bars to FRAME_CONDEMNED_SCROLL_BARS. */
3828 while (! NILP (FRAME_SCROLL_BARS (frame
)))
3831 bar
= FRAME_SCROLL_BARS (frame
);
3832 FRAME_SCROLL_BARS (frame
) = XSCROLL_BAR (bar
)->next
;
3833 XSCROLL_BAR (bar
)->next
= FRAME_CONDEMNED_SCROLL_BARS (frame
);
3834 XSCROLL_BAR (bar
)->prev
= Qnil
;
3835 if (! NILP (FRAME_CONDEMNED_SCROLL_BARS (frame
)))
3836 XSCROLL_BAR (FRAME_CONDEMNED_SCROLL_BARS (frame
))->prev
= bar
;
3837 FRAME_CONDEMNED_SCROLL_BARS (frame
) = bar
;
3842 /* Un-mark WINDOW's scroll bar for deletion in this judgment cycle.
3843 Note that WINDOW isn't necessarily condemned at all. */
3846 w32_redeem_scroll_bar (window
)
3847 struct window
*window
;
3849 struct scroll_bar
*bar
;
3852 /* We can't redeem this window's scroll bar if it doesn't have one. */
3853 if (NILP (window
->vertical_scroll_bar
))
3856 bar
= XSCROLL_BAR (window
->vertical_scroll_bar
);
3858 /* Unlink it from the condemned list. */
3859 f
= XFRAME (WINDOW_FRAME (window
));
3860 if (NILP (bar
->prev
))
3862 /* If the prev pointer is nil, it must be the first in one of
3864 if (EQ (FRAME_SCROLL_BARS (f
), window
->vertical_scroll_bar
))
3865 /* It's not condemned. Everything's fine. */
3867 else if (EQ (FRAME_CONDEMNED_SCROLL_BARS (f
),
3868 window
->vertical_scroll_bar
))
3869 FRAME_CONDEMNED_SCROLL_BARS (f
) = bar
->next
;
3871 /* If its prev pointer is nil, it must be at the front of
3872 one or the other! */
3876 XSCROLL_BAR (bar
->prev
)->next
= bar
->next
;
3878 if (! NILP (bar
->next
))
3879 XSCROLL_BAR (bar
->next
)->prev
= bar
->prev
;
3881 bar
->next
= FRAME_SCROLL_BARS (f
);
3883 XSETVECTOR (FRAME_SCROLL_BARS (f
), bar
);
3884 if (! NILP (bar
->next
))
3885 XSETVECTOR (XSCROLL_BAR (bar
->next
)->prev
, bar
);
3888 /* Remove all scroll bars on FRAME that haven't been saved since the
3889 last call to `*condemn_scroll_bars_hook'. */
3892 w32_judge_scroll_bars (f
)
3895 Lisp_Object bar
, next
;
3897 bar
= FRAME_CONDEMNED_SCROLL_BARS (f
);
3899 /* Clear out the condemned list now so we won't try to process any
3900 more events on the hapless scroll bars. */
3901 FRAME_CONDEMNED_SCROLL_BARS (f
) = Qnil
;
3903 for (; ! NILP (bar
); bar
= next
)
3905 struct scroll_bar
*b
= XSCROLL_BAR (bar
);
3907 x_scroll_bar_remove (b
);
3910 b
->next
= b
->prev
= Qnil
;
3913 /* Now there should be no references to the condemned scroll bars,
3914 and they should get garbage-collected. */
3917 /* Handle a mouse click on the scroll bar BAR. If *EMACS_EVENT's kind
3918 is set to something other than NO_EVENT, it is enqueued.
3920 This may be called from a signal handler, so we have to ignore GC
3924 w32_scroll_bar_handle_click (bar
, msg
, emacs_event
)
3925 struct scroll_bar
*bar
;
3927 struct input_event
*emacs_event
;
3929 if (! GC_WINDOWP (bar
->window
))
3932 emacs_event
->kind
= W32_SCROLL_BAR_CLICK_EVENT
;
3933 emacs_event
->code
= 0;
3934 /* not really meaningful to distinguish up/down */
3935 emacs_event
->modifiers
= msg
->dwModifiers
;
3936 emacs_event
->frame_or_window
= bar
->window
;
3937 emacs_event
->arg
= Qnil
;
3938 emacs_event
->timestamp
= msg
->msg
.time
;
3941 int top_range
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
));
3943 int dragging
= !NILP (bar
->dragging
);
3946 si
.cbSize
= sizeof (si
);
3949 GetScrollInfo ((HWND
) msg
->msg
.lParam
, SB_CTL
, &si
);
3952 bar
->dragging
= Qnil
;
3955 last_mouse_scroll_bar_pos
= msg
->msg
.wParam
;
3957 switch (LOWORD (msg
->msg
.wParam
))
3960 emacs_event
->part
= scroll_bar_down_arrow
;
3963 emacs_event
->part
= scroll_bar_up_arrow
;
3966 emacs_event
->part
= scroll_bar_above_handle
;
3969 emacs_event
->part
= scroll_bar_below_handle
;
3972 emacs_event
->part
= scroll_bar_handle
;
3976 emacs_event
->part
= scroll_bar_handle
;
3980 case SB_THUMBPOSITION
:
3981 if (VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
)) <= 0xffff)
3982 y
= HIWORD (msg
->msg
.wParam
);
3984 emacs_event
->part
= scroll_bar_handle
;
3986 /* "Silently" update current position. */
3990 si
.cbSize
= sizeof (si
);
3993 /* Remember apparent position (we actually lag behind the real
3994 position, so don't set that directly. */
3995 last_scroll_bar_drag_pos
= y
;
3997 SetScrollInfo (SCROLL_BAR_W32_WINDOW (bar
), SB_CTL
, &si
, FALSE
);
4001 /* If this is the end of a drag sequence, then reset the scroll
4002 handle size to normal and do a final redraw. Otherwise do
4007 int start
= XINT (bar
->start
);
4008 int end
= XINT (bar
->end
);
4010 si
.cbSize
= sizeof (si
);
4011 si
.fMask
= SIF_PAGE
| SIF_POS
;
4012 si
.nPage
= end
- start
+ VERTICAL_SCROLL_BAR_MIN_HANDLE
;
4013 si
.nPos
= last_scroll_bar_drag_pos
;
4014 SetScrollInfo (SCROLL_BAR_W32_WINDOW (bar
), SB_CTL
, &si
, TRUE
);
4018 emacs_event
->kind
= NO_EVENT
;
4022 XSETINT (emacs_event
->x
, y
);
4023 XSETINT (emacs_event
->y
, top_range
);
4029 /* Return information to the user about the current position of the mouse
4030 on the scroll bar. */
4033 x_scroll_bar_report_motion (fp
, bar_window
, part
, x
, y
, time
)
4035 Lisp_Object
*bar_window
;
4036 enum scroll_bar_part
*part
;
4038 unsigned long *time
;
4040 struct scroll_bar
*bar
= XSCROLL_BAR (last_mouse_scroll_bar
);
4041 Window w
= SCROLL_BAR_W32_WINDOW (bar
);
4042 FRAME_PTR f
= XFRAME (WINDOW_FRAME (XWINDOW (bar
->window
)));
4044 int top_range
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
));
4050 *bar_window
= bar
->window
;
4052 si
.cbSize
= sizeof (si
);
4053 si
.fMask
= SIF_POS
| SIF_PAGE
| SIF_RANGE
;
4055 GetScrollInfo (w
, SB_CTL
, &si
);
4057 top_range
= si
.nMax
- si
.nPage
+ 1;
4059 switch (LOWORD (last_mouse_scroll_bar_pos
))
4061 case SB_THUMBPOSITION
:
4063 *part
= scroll_bar_handle
;
4064 if (VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
)) <= 0xffff)
4065 pos
= HIWORD (last_mouse_scroll_bar_pos
);
4068 *part
= scroll_bar_handle
;
4072 *part
= scroll_bar_handle
;
4077 XSETINT (*y
, top_range
);
4080 last_mouse_scroll_bar
= Qnil
;
4082 *time
= last_mouse_movement_time
;
4088 /* The screen has been cleared so we may have changed foreground or
4089 background colors, and the scroll bars may need to be redrawn.
4090 Clear out the scroll bars, and ask for expose events, so we can
4094 x_scroll_bar_clear (f
)
4099 /* We can have scroll bars even if this is 0,
4100 if we just turned off scroll bar mode.
4101 But in that case we should not clear them. */
4102 if (FRAME_HAS_VERTICAL_SCROLL_BARS (f
))
4103 for (bar
= FRAME_SCROLL_BARS (f
); VECTORP (bar
);
4104 bar
= XSCROLL_BAR (bar
)->next
)
4106 HWND window
= SCROLL_BAR_W32_WINDOW (XSCROLL_BAR (bar
));
4107 HDC hdc
= GetDC (window
);
4110 /* Hide scroll bar until ready to repaint. x_scroll_bar_move
4111 arranges to refresh the scroll bar if hidden. */
4112 my_show_window (f
, window
, SW_HIDE
);
4114 GetClientRect (window
, &rect
);
4115 select_palette (f
, hdc
);
4116 w32_clear_rect (f
, hdc
, &rect
);
4117 deselect_palette (f
, hdc
);
4119 ReleaseDC (window
, hdc
);
4124 /* The main W32 event-reading loop - w32_read_socket. */
4126 /* Record the last 100 characters stored
4127 to help debug the loss-of-chars-during-GC problem. */
4129 static int temp_index
;
4130 static short temp_buffer
[100];
4133 /* Read events coming from the W32 shell.
4134 This routine is called by the SIGIO handler.
4135 We return as soon as there are no more events to be read.
4137 We return the number of characters stored into the buffer,
4138 thus pretending to be `read'.
4140 EXPECTED is nonzero if the caller knows input is available.
4142 Some of these messages are reposted back to the message queue since the
4143 system calls the windows proc directly in a context where we cannot return
4144 the data nor can we guarantee the state we are in. So if we dispatch them
4145 we will get into an infinite loop. To prevent this from ever happening we
4146 will set a variable to indicate we are in the read_socket call and indicate
4147 which message we are processing since the windows proc gets called
4148 recursively with different messages by the system.
4152 w32_read_socket (sd
, expected
, hold_quit
)
4155 struct input_event
*hold_quit
;
4158 int check_visibility
= 0;
4161 struct w32_display_info
*dpyinfo
= &one_w32_display_info
;
4163 if (interrupt_input_blocked
)
4165 interrupt_input_pending
= 1;
4169 interrupt_input_pending
= 0;
4172 /* So people can tell when we have read the available input. */
4173 input_signal_count
++;
4175 /* TODO: ghostscript integration. */
4176 while (get_next_msg (&msg
, FALSE
))
4178 struct input_event inev
;
4182 inev
.kind
= NO_EVENT
;
4185 switch (msg
.msg
.message
)
4188 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4192 if (msg
.rect
.right
== msg
.rect
.left
||
4193 msg
.rect
.bottom
== msg
.rect
.top
)
4195 /* We may get paint messages even though the client
4196 area is clipped - these are not expose events. */
4197 DebPrint (("clipped frame %p (%s) got WM_PAINT - ignored\n", f
,
4200 else if (f
->async_visible
!= 1)
4202 /* Definitely not obscured, so mark as visible. */
4203 f
->async_visible
= 1;
4204 f
->async_iconified
= 0;
4205 SET_FRAME_GARBAGED (f
);
4206 DebPrint (("frame %p (%s) reexposed by WM_PAINT\n", f
,
4209 /* WM_PAINT serves as MapNotify as well, so report
4210 visibility changes properly. */
4213 inev
.kind
= DEICONIFY_EVENT
;
4214 XSETFRAME (inev
.frame_or_window
, f
);
4216 else if (! NILP (Vframe_list
)
4217 && ! NILP (XCDR (Vframe_list
)))
4218 /* Force a redisplay sooner or later to update the
4219 frame titles in case this is the second frame. */
4220 record_asynch_buffer_change ();
4224 HDC hdc
= get_frame_dc (f
);
4226 /* Erase background again for safety. */
4227 w32_clear_rect (f
, hdc
, &msg
.rect
);
4228 release_frame_dc (f
, hdc
);
4232 msg
.rect
.right
- msg
.rect
.left
,
4233 msg
.rect
.bottom
- msg
.rect
.top
);
4238 case WM_INPUTLANGCHANGE
:
4239 /* Generate a language change event. */
4240 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4244 inev
.kind
= LANGUAGE_CHANGE_EVENT
;
4245 XSETFRAME (inev
.frame_or_window
, f
);
4246 inev
.code
= msg
.msg
.wParam
;
4247 inev
.modifiers
= msg
.msg
.lParam
& 0xffff;
4253 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4255 if (f
&& !f
->iconified
)
4257 if (!dpyinfo
->mouse_face_hidden
&& INTEGERP (Vmouse_highlight
)
4258 && !EQ (f
->tool_bar_window
, dpyinfo
->mouse_face_window
))
4260 clear_mouse_face (dpyinfo
);
4261 dpyinfo
->mouse_face_hidden
= 1;
4264 if (temp_index
== sizeof temp_buffer
/ sizeof (short))
4266 temp_buffer
[temp_index
++] = msg
.msg
.wParam
;
4267 inev
.kind
= NON_ASCII_KEYSTROKE_EVENT
;
4268 inev
.code
= msg
.msg
.wParam
;
4269 inev
.modifiers
= msg
.dwModifiers
;
4270 XSETFRAME (inev
.frame_or_window
, f
);
4271 inev
.timestamp
= msg
.msg
.time
;
4277 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4279 if (f
&& !f
->iconified
)
4281 if (!dpyinfo
->mouse_face_hidden
&& INTEGERP (Vmouse_highlight
)
4282 && !EQ (f
->tool_bar_window
, dpyinfo
->mouse_face_window
))
4284 clear_mouse_face (dpyinfo
);
4285 dpyinfo
->mouse_face_hidden
= 1;
4288 if (temp_index
== sizeof temp_buffer
/ sizeof (short))
4290 temp_buffer
[temp_index
++] = msg
.msg
.wParam
;
4291 inev
.kind
= ASCII_KEYSTROKE_EVENT
;
4292 inev
.code
= msg
.msg
.wParam
;
4293 inev
.modifiers
= msg
.dwModifiers
;
4294 XSETFRAME (inev
.frame_or_window
, f
);
4295 inev
.timestamp
= msg
.msg
.time
;
4300 /* Ignore non-movement. */
4302 int x
= LOWORD (msg
.msg
.lParam
);
4303 int y
= HIWORD (msg
.msg
.lParam
);
4304 if (x
== last_mousemove_x
&& y
== last_mousemove_y
)
4306 last_mousemove_x
= x
;
4307 last_mousemove_y
= y
;
4310 previous_help_echo_string
= help_echo_string
;
4311 help_echo_string
= Qnil
;
4313 if (dpyinfo
->grabbed
&& last_mouse_frame
4314 && FRAME_LIVE_P (last_mouse_frame
))
4315 f
= last_mouse_frame
;
4317 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4319 if (dpyinfo
->mouse_face_hidden
)
4321 dpyinfo
->mouse_face_hidden
= 0;
4322 clear_mouse_face (dpyinfo
);
4327 /* Generate SELECT_WINDOW_EVENTs when needed. */
4328 if (!NILP (Vmouse_autoselect_window
))
4331 int x
= LOWORD (msg
.msg
.lParam
);
4332 int y
= HIWORD (msg
.msg
.lParam
);
4334 window
= window_from_coordinates (f
, x
, y
, 0, 0, 0, 0);
4336 /* Window will be selected only when it is not
4337 selected now and last mouse movement event was
4338 not in it. Minibuffer window will be selected
4339 only when it is active. */
4341 && !EQ (window
, last_window
)
4342 && !EQ (window
, selected_window
)
4343 /* For click-to-focus window managers
4344 create event iff we don't leave the
4346 && (focus_follows_mouse
4347 || (EQ (XWINDOW (window
)->frame
,
4348 XWINDOW (selected_window
)->frame
))))
4350 inev
.kind
= SELECT_WINDOW_EVENT
;
4351 inev
.frame_or_window
= window
;
4356 if (!note_mouse_movement (f
, &msg
.msg
))
4357 help_echo_string
= previous_help_echo_string
;
4361 /* If we move outside the frame, then we're
4362 certainly no longer on any text in the frame. */
4363 clear_mouse_face (dpyinfo
);
4366 /* If the contents of the global variable help_echo_string
4367 has changed, generate a HELP_EVENT. */
4368 #if 0 /* The below is an invalid comparison when USE_LISP_UNION_TYPE.
4369 But it was originally changed to this to fix a bug, so I have
4370 not removed it completely in case the bug is still there. */
4371 if (help_echo_string
!= previous_help_echo_string
||
4372 (!NILP (help_echo_string
) && !STRINGP (help_echo_string
) && f
->mouse_moved
))
4373 #else /* This is what xterm.c does. */
4374 if (!NILP (help_echo_string
)
4375 || !NILP (previous_help_echo_string
))
4380 case WM_LBUTTONDOWN
:
4382 case WM_MBUTTONDOWN
:
4384 case WM_RBUTTONDOWN
:
4386 case WM_XBUTTONDOWN
:
4389 /* If we decide we want to generate an event to be seen
4390 by the rest of Emacs, we put it here. */
4395 if (dpyinfo
->grabbed
&& last_mouse_frame
4396 && FRAME_LIVE_P (last_mouse_frame
))
4397 f
= last_mouse_frame
;
4399 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4403 construct_mouse_click (&inev
, &msg
, f
);
4405 /* Is this in the tool-bar? */
4406 if (WINDOWP (f
->tool_bar_window
)
4407 && WINDOW_TOTAL_LINES (XWINDOW (f
->tool_bar_window
)))
4410 int x
= XFASTINT (inev
.x
);
4411 int y
= XFASTINT (inev
.y
);
4413 window
= window_from_coordinates (f
, x
, y
, 0, 0, 0, 1);
4415 if (EQ (window
, f
->tool_bar_window
))
4417 w32_handle_tool_bar_click (f
, &inev
);
4423 || (dpyinfo
->w32_focus_frame
4424 && f
!= dpyinfo
->w32_focus_frame
))
4425 inev
.kind
= NO_EVENT
;
4428 parse_button (msg
.msg
.message
, HIWORD (msg
.msg
.wParam
),
4433 dpyinfo
->grabbed
&= ~ (1 << button
);
4437 dpyinfo
->grabbed
|= (1 << button
);
4438 last_mouse_frame
= f
;
4439 /* Ignore any mouse motion that happened
4440 before this event; any subsequent mouse-movement
4441 Emacs events should reflect only motion after
4447 last_tool_bar_item
= -1;
4454 if (dpyinfo
->grabbed
&& last_mouse_frame
4455 && FRAME_LIVE_P (last_mouse_frame
))
4456 f
= last_mouse_frame
;
4458 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4463 if (!dpyinfo
->w32_focus_frame
4464 || f
== dpyinfo
->w32_focus_frame
)
4466 /* Emit an Emacs wheel-up/down event. */
4467 construct_mouse_wheel (&inev
, &msg
, f
);
4469 /* Ignore any mouse motion that happened before this
4470 event; any subsequent mouse-movement Emacs events
4471 should reflect only motion after the
4475 last_mouse_frame
= f
;
4476 last_tool_bar_item
= -1;
4481 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4484 construct_drag_n_drop (&inev
, &msg
, f
);
4489 struct scroll_bar
*bar
=
4490 x_window_to_scroll_bar ((HWND
)msg
.msg
.lParam
);
4493 w32_scroll_bar_handle_click (bar
, &msg
, &inev
);
4497 case WM_WINDOWPOSCHANGED
:
4498 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4501 if (f
->want_fullscreen
& FULLSCREEN_WAIT
)
4502 f
->want_fullscreen
&= ~(FULLSCREEN_WAIT
|FULLSCREEN_BOTH
);
4504 check_visibility
= 1;
4508 case WM_ACTIVATEAPP
:
4509 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4511 x_check_fullscreen (f
);
4512 check_visibility
= 1;
4516 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4518 if (f
&& !f
->async_iconified
)
4522 x_real_positions (f
, &x
, &y
);
4527 check_visibility
= 1;
4531 /* wParam non-zero means Window is about to be shown, 0 means
4532 about to be hidden. */
4533 /* Redo the mouse-highlight after the tooltip has gone. */
4534 if (!msg
.msg
.wParam
&& msg
.msg
.hwnd
== tip_window
)
4537 redo_mouse_highlight ();
4540 /* If window has been obscured or exposed by another window
4541 being maximised or minimised/restored, then recheck
4542 visibility of all frames. Direct changes to our own
4543 windows get handled by WM_SIZE. */
4545 if (msg
.msg
.lParam
!= 0)
4546 check_visibility
= 1;
4549 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4550 f
->async_visible
= msg
.msg
.wParam
;
4554 check_visibility
= 1;
4558 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4560 /* Inform lisp of whether frame has been iconified etc. */
4563 switch (msg
.msg
.wParam
)
4565 case SIZE_MINIMIZED
:
4566 f
->async_visible
= 0;
4567 f
->async_iconified
= 1;
4569 inev
.kind
= ICONIFY_EVENT
;
4570 XSETFRAME (inev
.frame_or_window
, f
);
4573 case SIZE_MAXIMIZED
:
4575 f
->async_visible
= 1;
4576 f
->async_iconified
= 0;
4578 /* wait_reading_process_output will notice this and update
4579 the frame's display structures. */
4580 SET_FRAME_GARBAGED (f
);
4586 /* Reset top and left positions of the Window
4587 here since Windows sends a WM_MOVE message
4588 BEFORE telling us the Window is minimized
4589 when the Window is iconified, with 3000,3000
4591 x_real_positions (f
, &x
, &y
);
4595 inev
.kind
= DEICONIFY_EVENT
;
4596 XSETFRAME (inev
.frame_or_window
, f
);
4598 else if (! NILP (Vframe_list
)
4599 && ! NILP (XCDR (Vframe_list
)))
4600 /* Force a redisplay sooner or later
4601 to update the frame titles
4602 in case this is the second frame. */
4603 record_asynch_buffer_change ();
4608 if (f
&& !f
->async_iconified
&& msg
.msg
.wParam
!= SIZE_MINIMIZED
)
4616 GetClientRect (msg
.msg
.hwnd
, &rect
);
4618 height
= rect
.bottom
- rect
.top
;
4619 width
= rect
.right
- rect
.left
;
4621 rows
= FRAME_PIXEL_HEIGHT_TO_TEXT_LINES (f
, height
);
4622 columns
= FRAME_PIXEL_WIDTH_TO_TEXT_COLS (f
, width
);
4624 /* TODO: Clip size to the screen dimensions. */
4626 /* Even if the number of character rows and columns has
4627 not changed, the font size may have changed, so we need
4628 to check the pixel dimensions as well. */
4630 if (columns
!= FRAME_COLS (f
)
4631 || rows
!= FRAME_LINES (f
)
4632 || width
!= FRAME_PIXEL_WIDTH (f
)
4633 || height
!= FRAME_PIXEL_HEIGHT (f
))
4635 change_frame_size (f
, rows
, columns
, 0, 1, 0);
4636 SET_FRAME_GARBAGED (f
);
4637 cancel_mouse_face (f
);
4638 FRAME_PIXEL_WIDTH (f
) = width
;
4639 FRAME_PIXEL_HEIGHT (f
) = height
;
4640 f
->win_gravity
= NorthWestGravity
;
4644 check_visibility
= 1;
4648 f
= x_any_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4651 if (f
== dpyinfo
->mouse_face_mouse_frame
)
4653 /* If we move outside the frame, then we're
4654 certainly no longer on any text in the frame. */
4655 clear_mouse_face (dpyinfo
);
4656 dpyinfo
->mouse_face_mouse_frame
= 0;
4659 /* Generate a nil HELP_EVENT to cancel a help-echo.
4660 Do it only if there's something to cancel.
4661 Otherwise, the startup message is cleared when
4662 the mouse leaves the frame. */
4663 if (any_help_event_p
)
4669 w32_detect_focus_change (dpyinfo
, &msg
, &inev
);
4671 dpyinfo
->grabbed
= 0;
4672 check_visibility
= 1;
4676 f
= x_top_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4680 if (f
== dpyinfo
->w32_focus_event_frame
)
4681 dpyinfo
->w32_focus_event_frame
= 0;
4683 if (f
== dpyinfo
->w32_focus_frame
)
4684 x_new_focus_frame (dpyinfo
, 0);
4686 if (f
== dpyinfo
->mouse_face_mouse_frame
)
4688 /* If we move outside the frame, then we're
4689 certainly no longer on any text in the frame. */
4690 clear_mouse_face (dpyinfo
);
4691 dpyinfo
->mouse_face_mouse_frame
= 0;
4694 /* Generate a nil HELP_EVENT to cancel a help-echo.
4695 Do it only if there's something to cancel.
4696 Otherwise, the startup message is cleared when
4697 the mouse leaves the frame. */
4698 if (any_help_event_p
)
4702 dpyinfo
->grabbed
= 0;
4703 check_visibility
= 1;
4707 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4711 inev
.kind
= DELETE_WINDOW_EVENT
;
4712 XSETFRAME (inev
.frame_or_window
, f
);
4717 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4721 inev
.kind
= MENU_BAR_ACTIVATE_EVENT
;
4722 XSETFRAME (inev
.frame_or_window
, f
);
4727 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4731 extern void menubar_selection_callback
4732 (FRAME_PTR f
, void * client_data
);
4733 menubar_selection_callback (f
, (void *)msg
.msg
.wParam
);
4736 check_visibility
= 1;
4739 case WM_DISPLAYCHANGE
:
4740 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4744 dpyinfo
->width
= (short) LOWORD (msg
.msg
.lParam
);
4745 dpyinfo
->height
= (short) HIWORD (msg
.msg
.lParam
);
4746 dpyinfo
->n_cbits
= msg
.msg
.wParam
;
4747 DebPrint (("display change: %d %d\n", dpyinfo
->width
,
4751 check_visibility
= 1;
4755 /* Check for messages registered at runtime. */
4756 if (msg
.msg
.message
== msh_mousewheel
)
4758 /* Forward MSH_MOUSEWHEEL as WM_MOUSEWHEEL. */
4759 msg
.msg
.message
= WM_MOUSEWHEEL
;
4765 if (inev
.kind
!= NO_EVENT
)
4767 kbd_buffer_store_event_hold (&inev
, hold_quit
);
4772 && !(hold_quit
&& hold_quit
->kind
!= NO_EVENT
))
4777 XSETFRAME (frame
, f
);
4783 if (NILP (help_echo_string
))
4785 help_echo_object
= help_echo_window
= Qnil
;
4789 any_help_event_p
= 1;
4790 gen_help_event (help_echo_string
, frame
, help_echo_window
,
4791 help_echo_object
, help_echo_pos
);
4795 help_echo_string
= Qnil
;
4796 gen_help_event (Qnil
, frame
, Qnil
, Qnil
, 0);
4802 /* If the focus was just given to an autoraising frame,
4804 /* ??? This ought to be able to handle more than one such frame. */
4805 if (pending_autoraise_frame
)
4807 x_raise_frame (pending_autoraise_frame
);
4808 pending_autoraise_frame
= 0;
4811 /* Check which frames are still visisble, if we have enqueued any user
4812 events or been notified of events that may affect visibility. We
4813 do this here because there doesn't seem to be any direct
4814 notification from Windows that the visibility of a window has
4815 changed (at least, not in all cases). */
4816 if (count
> 0 || check_visibility
)
4818 Lisp_Object tail
, frame
;
4820 FOR_EACH_FRAME (tail
, frame
)
4822 FRAME_PTR f
= XFRAME (frame
);
4823 /* The tooltip has been drawn already. Avoid the
4824 SET_FRAME_GARBAGED below. */
4825 if (EQ (frame
, tip_frame
))
4828 /* Check "visible" frames and mark each as obscured or not.
4829 Note that async_visible is nonzero for unobscured and
4830 obscured frames, but zero for hidden and iconified frames. */
4831 if (FRAME_W32_P (f
) && f
->async_visible
)
4837 /* Query clipping rectangle for the entire window area
4838 (GetWindowDC), not just the client portion (GetDC).
4839 Otherwise, the scrollbars and menubar aren't counted as
4840 part of the visible area of the frame, and we may think
4841 the frame is obscured when really a scrollbar is still
4842 visible and gets WM_PAINT messages above. */
4843 hdc
= GetWindowDC (FRAME_W32_WINDOW (f
));
4844 GetClipBox (hdc
, &clipbox
);
4845 ReleaseDC (FRAME_W32_WINDOW (f
), hdc
);
4848 if (clipbox
.right
== clipbox
.left
4849 || clipbox
.bottom
== clipbox
.top
)
4851 /* Frame has become completely obscured so mark as
4852 such (we do this by setting async_visible to 2 so
4853 that FRAME_VISIBLE_P is still true, but redisplay
4855 f
->async_visible
= 2;
4857 if (!FRAME_OBSCURED_P (f
))
4859 DebPrint (("frame %p (%s) obscured\n", f
,
4865 /* Frame is not obscured, so mark it as such. */
4866 f
->async_visible
= 1;
4868 if (FRAME_OBSCURED_P (f
))
4870 SET_FRAME_GARBAGED (f
);
4871 DebPrint (("obscured frame %p (%s) found to be visible\n", f
,
4874 /* Force a redisplay sooner or later. */
4875 record_asynch_buffer_change ();
4888 /***********************************************************************
4890 ***********************************************************************/
4892 /* Set clipping for output in glyph row ROW. W is the window in which
4893 we operate. GC is the graphics context to set clipping in.
4895 ROW may be a text row or, e.g., a mode line. Text rows must be
4896 clipped to the interior of the window dedicated to text display,
4897 mode lines must be clipped to the whole window. */
4900 w32_clip_to_row (w
, row
, area
, hdc
)
4902 struct glyph_row
*row
;
4906 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
4908 int window_x
, window_y
, window_width
;
4910 window_box (w
, area
, &window_x
, &window_y
, &window_width
, 0);
4912 clip_rect
.left
= window_x
;
4913 clip_rect
.top
= WINDOW_TO_FRAME_PIXEL_Y (w
, row
->y
);
4914 clip_rect
.top
= max (clip_rect
.top
, window_y
);
4915 clip_rect
.right
= clip_rect
.left
+ window_width
;
4916 clip_rect
.bottom
= clip_rect
.top
+ row
->visible_height
;
4918 w32_set_clip_rectangle (hdc
, &clip_rect
);
4922 /* Draw a hollow box cursor on window W in glyph row ROW. */
4925 x_draw_hollow_cursor (w
, row
)
4927 struct glyph_row
*row
;
4929 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
4933 struct glyph
*cursor_glyph
;
4934 HBRUSH hb
= CreateSolidBrush (f
->output_data
.w32
->cursor_pixel
);
4936 /* Get the glyph the cursor is on. If we can't tell because
4937 the current matrix is invalid or such, give up. */
4938 cursor_glyph
= get_phys_cursor_glyph (w
);
4939 if (cursor_glyph
== NULL
)
4942 /* Compute frame-relative coordinates for phys cursor. */
4943 get_phys_cursor_geometry (w
, row
, cursor_glyph
, &left
, &top
, &h
);
4946 rect
.bottom
= rect
.top
+ h
;
4947 rect
.right
= rect
.left
+ w
->phys_cursor_width
;
4949 hdc
= get_frame_dc (f
);
4950 /* Set clipping, draw the rectangle, and reset clipping again. */
4951 w32_clip_to_row (w
, row
, TEXT_AREA
, hdc
);
4952 FrameRect (hdc
, &rect
, hb
);
4954 w32_set_clip_rectangle (hdc
, NULL
);
4955 release_frame_dc (f
, hdc
);
4959 /* Draw a bar cursor on window W in glyph row ROW.
4961 Implementation note: One would like to draw a bar cursor with an
4962 angle equal to the one given by the font property XA_ITALIC_ANGLE.
4963 Unfortunately, I didn't find a font yet that has this property set.
4967 x_draw_bar_cursor (w
, row
, width
, kind
)
4969 struct glyph_row
*row
;
4971 enum text_cursor_kinds kind
;
4973 struct frame
*f
= XFRAME (w
->frame
);
4974 struct glyph
*cursor_glyph
;
4978 /* If cursor is out of bounds, don't draw garbage. This can happen
4979 in mini-buffer windows when switching between echo area glyphs
4981 cursor_glyph
= get_phys_cursor_glyph (w
);
4982 if (cursor_glyph
== NULL
)
4985 /* If on an image, draw like a normal cursor. That's usually better
4986 visible than drawing a bar, esp. if the image is large so that
4987 the bar might not be in the window. */
4988 if (cursor_glyph
->type
== IMAGE_GLYPH
)
4990 struct glyph_row
*row
;
4991 row
= MATRIX_ROW (w
->current_matrix
, w
->phys_cursor
.vpos
);
4992 draw_phys_cursor_glyph (w
, row
, DRAW_CURSOR
);
4996 COLORREF cursor_color
= f
->output_data
.w32
->cursor_pixel
;
4997 struct face
*face
= FACE_FROM_ID (f
, cursor_glyph
->face_id
);
4999 /* If the glyph's background equals the color we normally draw
5000 the bar cursor in, the bar cursor in its normal color is
5001 invisible. Use the glyph's foreground color instead in this
5002 case, on the assumption that the glyph's colors are chosen so
5003 that the glyph is legible. */
5004 if (face
->background
== cursor_color
)
5005 cursor_color
= face
->foreground
;
5007 x
= WINDOW_TEXT_TO_FRAME_PIXEL_X (w
, w
->phys_cursor
.x
);
5010 width
= FRAME_CURSOR_WIDTH (f
);
5011 width
= min (cursor_glyph
->pixel_width
, width
);
5013 w
->phys_cursor_width
= width
;
5016 hdc
= get_frame_dc (f
);
5017 w32_clip_to_row (w
, row
, TEXT_AREA
, hdc
);
5019 if (kind
== BAR_CURSOR
)
5021 w32_fill_area (f
, hdc
, cursor_color
, x
,
5022 WINDOW_TO_FRAME_PIXEL_Y (w
, w
->phys_cursor
.y
),
5023 width
, row
->height
);
5027 w32_fill_area (f
, hdc
, cursor_color
, x
,
5028 WINDOW_TO_FRAME_PIXEL_Y (w
, w
->phys_cursor
.y
+
5029 row
->height
- width
),
5030 cursor_glyph
->pixel_width
, width
);
5033 w32_set_clip_rectangle (hdc
, NULL
);
5034 release_frame_dc (f
, hdc
);
5039 /* RIF: Define cursor CURSOR on frame F. */
5042 w32_define_frame_cursor (f
, cursor
)
5046 w32_define_cursor (FRAME_W32_WINDOW (f
), cursor
);
5050 /* RIF: Clear area on frame F. */
5053 w32_clear_frame_area (f
, x
, y
, width
, height
)
5055 int x
, y
, width
, height
;
5059 hdc
= get_frame_dc (f
);
5060 w32_clear_area (f
, hdc
, x
, y
, width
, height
);
5061 release_frame_dc (f
, hdc
);
5064 /* RIF: Draw or clear cursor on window W. */
5067 w32_draw_window_cursor (w
, glyph_row
, x
, y
, cursor_type
, cursor_width
, on_p
, active_p
)
5069 struct glyph_row
*glyph_row
;
5071 int cursor_type
, cursor_width
;
5076 /* If the user wants to use the system caret, make sure our own
5077 cursor remains invisible. */
5078 if (w32_use_visible_system_caret
)
5080 /* Call to erase_phys_cursor here seems to use the
5081 wrong values of w->phys_cursor, as they have been
5082 overwritten before this function was called. */
5083 if (w
->phys_cursor_type
!= NO_CURSOR
)
5084 erase_phys_cursor (w
);
5086 cursor_type
= w
->phys_cursor_type
= NO_CURSOR
;
5087 w
->phys_cursor_width
= -1;
5091 w
->phys_cursor_type
= cursor_type
;
5094 w
->phys_cursor_on_p
= 1;
5096 /* If this is the active cursor, we need to track it with the
5097 system caret, so third party software like screen magnifiers
5098 and speech synthesizers can follow the cursor. */
5101 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
5102 HWND hwnd
= FRAME_W32_WINDOW (f
);
5105 = WINDOW_TEXT_TO_FRAME_PIXEL_X (w
, w
->phys_cursor
.x
);
5107 = (WINDOW_TO_FRAME_PIXEL_Y (w
, w
->phys_cursor
.y
)
5108 + glyph_row
->ascent
- w
->phys_cursor_ascent
);
5110 /* If the size of the active cursor changed, destroy the old
5112 if (w32_system_caret_hwnd
5113 && (w32_system_caret_height
!= w
->phys_cursor_height
))
5114 PostMessage (hwnd
, WM_EMACS_DESTROY_CARET
, 0, 0);
5116 w32_system_caret_height
= w
->phys_cursor_height
;
5118 /* Move the system caret. */
5119 PostMessage (hwnd
, WM_EMACS_TRACK_CARET
, 0, 0);
5122 if (glyph_row
->exact_window_width_line_p
5123 && w
->phys_cursor
.hpos
>= glyph_row
->used
[TEXT_AREA
])
5125 glyph_row
->cursor_in_fringe_p
= 1;
5126 draw_fringe_bitmap (w
, glyph_row
, 0);
5130 switch (cursor_type
)
5132 case HOLLOW_BOX_CURSOR
:
5133 x_draw_hollow_cursor (w
, glyph_row
);
5136 case FILLED_BOX_CURSOR
:
5137 draw_phys_cursor_glyph (w
, glyph_row
, DRAW_CURSOR
);
5141 x_draw_bar_cursor (w
, glyph_row
, cursor_width
, BAR_CURSOR
);
5145 x_draw_bar_cursor (w
, glyph_row
, cursor_width
, HBAR_CURSOR
);
5149 w
->phys_cursor_width
= 0;
5163 x_bitmap_icon (f
, icon
)
5168 HANDLE small_icon
= NULL
;
5170 if (FRAME_W32_WINDOW (f
) == 0)
5174 main_icon
= LoadIcon (hinst
, EMACS_CLASS
);
5175 else if (STRINGP (icon
))
5177 /* Load the main icon from the named file. */
5178 main_icon
= LoadImage (NULL
, (LPCTSTR
) SDATA (icon
), IMAGE_ICON
, 0, 0,
5179 LR_DEFAULTSIZE
| LR_LOADFROMFILE
);
5180 /* Try to load a small icon to go with it. */
5181 small_icon
= LoadImage (NULL
, (LPCSTR
) SDATA (icon
), IMAGE_ICON
,
5182 GetSystemMetrics (SM_CXSMICON
),
5183 GetSystemMetrics (SM_CYSMICON
),
5186 else if (SYMBOLP (icon
))
5190 if (EQ (icon
, intern ("application")))
5191 name
= (LPCTSTR
) IDI_APPLICATION
;
5192 else if (EQ (icon
, intern ("hand")))
5193 name
= (LPCTSTR
) IDI_HAND
;
5194 else if (EQ (icon
, intern ("question")))
5195 name
= (LPCTSTR
) IDI_QUESTION
;
5196 else if (EQ (icon
, intern ("exclamation")))
5197 name
= (LPCTSTR
) IDI_EXCLAMATION
;
5198 else if (EQ (icon
, intern ("asterisk")))
5199 name
= (LPCTSTR
) IDI_ASTERISK
;
5200 else if (EQ (icon
, intern ("winlogo")))
5201 name
= (LPCTSTR
) IDI_WINLOGO
;
5205 main_icon
= LoadIcon (NULL
, name
);
5210 if (main_icon
== NULL
)
5213 PostMessage (FRAME_W32_WINDOW (f
), WM_SETICON
, (WPARAM
) ICON_BIG
,
5214 (LPARAM
) main_icon
);
5216 /* If there is a small icon that goes with it, set that too. */
5218 PostMessage (FRAME_W32_WINDOW (f
), WM_SETICON
, (WPARAM
) ICON_SMALL
,
5219 (LPARAM
) small_icon
);
5225 /************************************************************************
5227 ************************************************************************/
5229 /* Display Error Handling functions not used on W32. Listing them here
5230 helps diff stay in step when comparing w32term.c with xterm.c.
5232 x_error_catcher (display, error)
5233 x_catch_errors (dpy)
5234 x_catch_errors_unwind (old_val)
5235 x_check_errors (dpy, format)
5236 x_fully_uncatch_errors ()
5237 x_catching_errors ()
5238 x_had_errors_p (dpy)
5239 x_clear_errors (dpy)
5240 x_uncatch_errors (dpy, count)
5242 x_connection_signal (signalnum)
5243 x_connection_closed (dpy, error_message)
5244 x_error_quitter (display, error)
5245 x_error_handler (display, error)
5246 x_io_error_quitter (display)
5251 /* Changing the font of the frame. */
5253 /* Give frame F the font named FONTNAME as its default font, and
5254 return the full name of that font. FONTNAME may be a wildcard
5255 pattern; in that case, we choose some font that fits the pattern.
5256 The return value shows which font we chose. */
5259 x_new_font (f
, fontname
)
5261 register char *fontname
;
5263 struct font_info
*fontp
5264 = FS_LOAD_FONT (f
, 0, fontname
, -1);
5269 FRAME_FONT (f
) = (XFontStruct
*) (fontp
->font
);
5270 FRAME_BASELINE_OFFSET (f
) = fontp
->baseline_offset
;
5271 FRAME_FONTSET (f
) = -1;
5273 FRAME_COLUMN_WIDTH (f
) = fontp
->average_width
;
5274 FRAME_SPACE_WIDTH (f
) = fontp
->space_width
;
5275 FRAME_LINE_HEIGHT (f
) = FONT_HEIGHT (FRAME_FONT (f
));
5277 compute_fringe_widths (f
, 1);
5279 /* Compute the scroll bar width in character columns. */
5280 if (FRAME_CONFIG_SCROLL_BAR_WIDTH (f
) > 0)
5282 int wid
= FRAME_COLUMN_WIDTH (f
);
5283 FRAME_CONFIG_SCROLL_BAR_COLS (f
)
5284 = (FRAME_CONFIG_SCROLL_BAR_WIDTH (f
) + wid
-1) / wid
;
5288 int wid
= FRAME_COLUMN_WIDTH (f
);
5289 FRAME_CONFIG_SCROLL_BAR_COLS (f
) = (14 + wid
- 1) / wid
;
5292 /* Now make the frame display the given font. */
5293 if (FRAME_W32_WINDOW (f
) != 0)
5295 if (NILP (tip_frame
) || XFRAME (tip_frame
) != f
)
5296 x_set_window_size (f
, 0, FRAME_COLS (f
), FRAME_LINES (f
));
5299 return build_string (fontp
->full_name
);
5302 /* Give frame F the fontset named FONTSETNAME as its default font, and
5303 return the full name of that fontset. FONTSETNAME may be a wildcard
5304 pattern; in that case, we choose some fontset that fits the pattern.
5305 The return value shows which fontset we chose. */
5308 x_new_fontset (f
, fontsetname
)
5312 int fontset
= fs_query_fontset (build_string (fontsetname
), 0);
5318 if (FRAME_FONTSET (f
) == fontset
)
5319 /* This fontset is already set in frame F. There's nothing more
5321 return fontset_name (fontset
);
5323 result
= x_new_font (f
, (SDATA (fontset_ascii (fontset
))));
5325 if (!STRINGP (result
))
5326 /* Can't load ASCII font. */
5329 /* Since x_new_font doesn't update any fontset information, do it now. */
5330 FRAME_FONTSET(f
) = fontset
;
5332 return build_string (fontsetname
);
5336 /***********************************************************************
5337 TODO: W32 Input Methods
5338 ***********************************************************************/
5339 /* Listing missing functions from xterm.c helps diff stay in step.
5341 xim_destroy_callback (xim, client_data, call_data)
5342 xim_open_dpy (dpyinfo, resource_name)
5344 xim_instantiate_callback (display, client_data, call_data)
5345 xim_initialize (dpyinfo, resource_name)
5346 xim_close_dpy (dpyinfo)
5351 /* Calculate the absolute position in frame F
5352 from its current recorded position values and gravity. */
5355 x_calc_absolute_position (f
)
5358 int flags
= f
->size_hint_flags
;
5360 /* The sum of the widths of the frame's left and right borders, and
5361 the sum of the heights of the frame's top and bottom borders (in
5362 pixels) drawn by Windows. */
5363 unsigned int left_right_borders_width
, top_bottom_borders_height
;
5365 /* Try to get the actual values of these two variables. We compute
5366 the border width (height) by subtracting the width (height) of
5367 the frame's client area from the width (height) of the frame's
5369 WINDOWPLACEMENT wp
= { 0 };
5370 RECT client_rect
= { 0 };
5372 if (GetWindowPlacement (FRAME_W32_WINDOW (f
), &wp
)
5373 && GetClientRect (FRAME_W32_WINDOW (f
), &client_rect
))
5375 left_right_borders_width
=
5376 (wp
.rcNormalPosition
.right
- wp
.rcNormalPosition
.left
) -
5377 (client_rect
.right
- client_rect
.left
);
5379 top_bottom_borders_height
=
5380 (wp
.rcNormalPosition
.bottom
- wp
.rcNormalPosition
.top
) -
5381 (client_rect
.bottom
- client_rect
.top
);
5385 /* Use sensible default values. */
5386 left_right_borders_width
= 8;
5387 top_bottom_borders_height
= 32;
5390 /* Treat negative positions as relative to the rightmost bottommost
5391 position that fits on the screen. */
5392 if (flags
& XNegative
)
5393 f
->left_pos
= (FRAME_W32_DISPLAY_INFO (f
)->width
5394 - FRAME_PIXEL_WIDTH (f
)
5396 - (left_right_borders_width
- 1));
5398 if (flags
& YNegative
)
5399 f
->top_pos
= (FRAME_W32_DISPLAY_INFO (f
)->height
5400 - FRAME_PIXEL_HEIGHT (f
)
5402 - (top_bottom_borders_height
- 1));
5404 /* The left_pos and top_pos are now relative to the top and left
5405 screen edges, so the flags should correspond. */
5406 f
->size_hint_flags
&= ~ (XNegative
| YNegative
);
5409 /* CHANGE_GRAVITY is 1 when calling from Fset_frame_position,
5410 to really change the position, and 0 when calling from
5411 x_make_frame_visible (in that case, XOFF and YOFF are the current
5412 position values). It is -1 when calling from x_set_frame_parameters,
5413 which means, do adjust for borders but don't change the gravity. */
5416 x_set_offset (f
, xoff
, yoff
, change_gravity
)
5418 register int xoff
, yoff
;
5421 int modified_top
, modified_left
;
5423 if (change_gravity
> 0)
5427 f
->size_hint_flags
&= ~ (XNegative
| YNegative
);
5429 f
->size_hint_flags
|= XNegative
;
5431 f
->size_hint_flags
|= YNegative
;
5432 f
->win_gravity
= NorthWestGravity
;
5434 x_calc_absolute_position (f
);
5437 x_wm_set_size_hint (f
, (long) 0, 0);
5439 modified_left
= f
->left_pos
;
5440 modified_top
= f
->top_pos
;
5442 my_set_window_pos (FRAME_W32_WINDOW (f
),
5444 modified_left
, modified_top
,
5446 SWP_NOZORDER
| SWP_NOSIZE
| SWP_NOACTIVATE
);
5451 /* Check if we need to resize the frame due to a fullscreen request.
5452 If so needed, resize the frame. */
5454 x_check_fullscreen (f
)
5457 if (f
->want_fullscreen
& FULLSCREEN_BOTH
)
5459 int width
, height
, ign
;
5461 x_real_positions (f
, &f
->left_pos
, &f
->top_pos
);
5463 x_fullscreen_adjust (f
, &width
, &height
, &ign
, &ign
);
5465 /* We do not need to move the window, it shall be taken care of
5466 when setting WM manager hints. */
5467 if (FRAME_COLS (f
) != width
|| FRAME_LINES (f
) != height
)
5469 change_frame_size (f
, height
, width
, 0, 1, 0);
5470 SET_FRAME_GARBAGED (f
);
5471 cancel_mouse_face (f
);
5473 /* Wait for the change of frame size to occur */
5474 f
->want_fullscreen
|= FULLSCREEN_WAIT
;
5479 /* Call this to change the size of frame F's x-window.
5480 If CHANGE_GRAVITY is 1, we change to top-left-corner window gravity
5481 for this size change and subsequent size changes.
5482 Otherwise we leave the window gravity unchanged. */
5485 x_set_window_size (f
, change_gravity
, cols
, rows
)
5490 int pixelwidth
, pixelheight
;
5494 check_frame_size (f
, &rows
, &cols
);
5495 f
->scroll_bar_actual_width
5496 = FRAME_SCROLL_BAR_COLS (f
) * FRAME_COLUMN_WIDTH (f
);
5498 compute_fringe_widths (f
, 0);
5500 pixelwidth
= FRAME_TEXT_COLS_TO_PIXEL_WIDTH (f
, cols
);
5501 pixelheight
= FRAME_TEXT_LINES_TO_PIXEL_HEIGHT (f
, rows
);
5503 f
->win_gravity
= NorthWestGravity
;
5504 x_wm_set_size_hint (f
, (long) 0, 0);
5509 rect
.left
= rect
.top
= 0;
5510 rect
.right
= pixelwidth
;
5511 rect
.bottom
= pixelheight
;
5513 AdjustWindowRect(&rect
, f
->output_data
.w32
->dwStyle
,
5514 FRAME_EXTERNAL_MENU_BAR (f
));
5516 my_set_window_pos (FRAME_W32_WINDOW (f
),
5519 rect
.right
- rect
.left
,
5520 rect
.bottom
- rect
.top
,
5521 SWP_NOZORDER
| SWP_NOMOVE
| SWP_NOACTIVATE
);
5524 /* Now, strictly speaking, we can't be sure that this is accurate,
5525 but the window manager will get around to dealing with the size
5526 change request eventually, and we'll hear how it went when the
5527 ConfigureNotify event gets here.
5529 We could just not bother storing any of this information here,
5530 and let the ConfigureNotify event set everything up, but that
5531 might be kind of confusing to the Lisp code, since size changes
5532 wouldn't be reported in the frame parameters until some random
5533 point in the future when the ConfigureNotify event arrives.
5535 We pass 1 for DELAY since we can't run Lisp code inside of
5537 change_frame_size (f
, rows
, cols
, 0, 1, 0);
5538 FRAME_PIXEL_WIDTH (f
) = pixelwidth
;
5539 FRAME_PIXEL_HEIGHT (f
) = pixelheight
;
5541 /* We've set {FRAME,PIXEL}_{WIDTH,HEIGHT} to the values we hope to
5542 receive in the ConfigureNotify event; if we get what we asked
5543 for, then the event won't cause the screen to become garbaged, so
5544 we have to make sure to do it here. */
5545 SET_FRAME_GARBAGED (f
);
5547 /* If cursor was outside the new size, mark it as off. */
5548 mark_window_cursors_off (XWINDOW (f
->root_window
));
5550 /* Clear out any recollection of where the mouse highlighting was,
5551 since it might be in a place that's outside the new frame size.
5552 Actually checking whether it is outside is a pain in the neck,
5553 so don't try--just let the highlighting be done afresh with new size. */
5554 cancel_mouse_face (f
);
5559 /* Mouse warping. */
5561 void x_set_mouse_pixel_position (struct frame
*f
, int pix_x
, int pix_y
);
5564 x_set_mouse_position (f
, x
, y
)
5570 pix_x
= FRAME_COL_TO_PIXEL_X (f
, x
) + FRAME_COLUMN_WIDTH (f
) / 2;
5571 pix_y
= FRAME_LINE_TO_PIXEL_Y (f
, y
) + FRAME_LINE_HEIGHT (f
) / 2;
5573 if (pix_x
< 0) pix_x
= 0;
5574 if (pix_x
> FRAME_PIXEL_WIDTH (f
)) pix_x
= FRAME_PIXEL_WIDTH (f
);
5576 if (pix_y
< 0) pix_y
= 0;
5577 if (pix_y
> FRAME_PIXEL_HEIGHT (f
)) pix_y
= FRAME_PIXEL_HEIGHT (f
);
5579 x_set_mouse_pixel_position (f
, pix_x
, pix_y
);
5583 x_set_mouse_pixel_position (f
, pix_x
, pix_y
)
5592 GetClientRect (FRAME_W32_WINDOW (f
), &rect
);
5593 pt
.x
= rect
.left
+ pix_x
;
5594 pt
.y
= rect
.top
+ pix_y
;
5595 ClientToScreen (FRAME_W32_WINDOW (f
), &pt
);
5597 SetCursorPos (pt
.x
, pt
.y
);
5603 /* focus shifting, raising and lowering. */
5606 x_focus_on_frame (f
)
5609 struct w32_display_info
*dpyinfo
= &one_w32_display_info
;
5611 /* Give input focus to frame. */
5614 /* Try not to change its Z-order if possible. */
5615 if (x_window_to_frame (dpyinfo
, GetForegroundWindow ()))
5616 my_set_focus (f
, FRAME_W32_WINDOW (f
));
5619 my_set_foreground_window (FRAME_W32_WINDOW (f
));
5629 /* Raise frame F. */
5636 /* Strictly speaking, raise-frame should only change the frame's Z
5637 order, leaving input focus unchanged. This is reasonable behaviour
5638 on X where the usual policy is point-to-focus. However, this
5639 behaviour would be very odd on Windows where the usual policy is
5642 On X, if the mouse happens to be over the raised frame, it gets
5643 input focus anyway (so the window with focus will never be
5644 completely obscured) - if not, then just moving the mouse over it
5645 is sufficient to give it focus. On Windows, the user must actually
5646 click on the frame (preferrably the title bar so as not to move
5647 point), which is more awkward. Also, no other Windows program
5648 raises a window to the top but leaves another window (possibly now
5649 completely obscured) with input focus.
5651 Because there is a system setting on Windows that allows the user
5652 to choose the point to focus policy, we make the strict semantics
5653 optional, but by default we grab focus when raising. */
5655 if (NILP (Vw32_grab_focus_on_raise
))
5657 /* The obvious call to my_set_window_pos doesn't work if Emacs is
5658 not already the foreground application: the frame is raised
5659 above all other frames belonging to us, but not above the
5660 current top window. To achieve that, we have to resort to this
5661 more cumbersome method. */
5663 HDWP handle
= BeginDeferWindowPos (2);
5666 DeferWindowPos (handle
,
5667 FRAME_W32_WINDOW (f
),
5670 SWP_NOSIZE
| SWP_NOMOVE
| SWP_NOACTIVATE
);
5672 DeferWindowPos (handle
,
5673 GetForegroundWindow (),
5674 FRAME_W32_WINDOW (f
),
5676 SWP_NOSIZE
| SWP_NOMOVE
| SWP_NOACTIVATE
);
5678 EndDeferWindowPos (handle
);
5683 my_set_foreground_window (FRAME_W32_WINDOW (f
));
5689 /* Lower frame F. */
5695 my_set_window_pos (FRAME_W32_WINDOW (f
),
5698 SWP_NOSIZE
| SWP_NOMOVE
| SWP_NOACTIVATE
);
5703 w32_frame_raise_lower (f
, raise_flag
)
5707 if (! FRAME_W32_P (f
))
5716 /* Change of visibility. */
5718 /* This tries to wait until the frame is really visible.
5719 However, if the window manager asks the user where to position
5720 the frame, this will return before the user finishes doing that.
5721 The frame will not actually be visible at that time,
5722 but it will become visible later when the window manager
5723 finishes with it. */
5726 x_make_frame_visible (f
)
5733 type
= x_icon_type (f
);
5735 x_bitmap_icon (f
, type
);
5737 if (! FRAME_VISIBLE_P (f
))
5739 /* We test FRAME_GARBAGED_P here to make sure we don't
5740 call x_set_offset a second time
5741 if we get to x_make_frame_visible a second time
5742 before the window gets really visible. */
5743 if (! FRAME_ICONIFIED_P (f
)
5744 && ! f
->output_data
.w32
->asked_for_visible
)
5749 /* Adjust vertical window position in order to avoid being
5750 covered by a task bar placed at the bottom of the desktop. */
5751 SystemParametersInfo(SPI_GETWORKAREA
, 0, &workarea_rect
, 0);
5752 GetWindowRect(FRAME_W32_WINDOW(f
), &window_rect
);
5753 if (window_rect
.bottom
> workarea_rect
.bottom
5754 && window_rect
.top
> workarea_rect
.top
)
5755 f
->top_pos
= max (window_rect
.top
5756 - window_rect
.bottom
+ workarea_rect
.bottom
,
5759 x_set_offset (f
, f
->left_pos
, f
->top_pos
, 0);
5762 f
->output_data
.w32
->asked_for_visible
= 1;
5764 /* my_show_window (f, FRAME_W32_WINDOW (f), f->async_iconified ? SW_RESTORE : SW_SHOW); */
5765 my_show_window (f
, FRAME_W32_WINDOW (f
), SW_SHOWNORMAL
);
5768 /* Synchronize to ensure Emacs knows the frame is visible
5769 before we do anything else. We do this loop with input not blocked
5770 so that incoming events are handled. */
5775 /* This must come after we set COUNT. */
5778 XSETFRAME (frame
, f
);
5780 /* Wait until the frame is visible. Process X events until a
5781 MapNotify event has been seen, or until we think we won't get a
5782 MapNotify at all.. */
5783 for (count
= input_signal_count
+ 10;
5784 input_signal_count
< count
&& !FRAME_VISIBLE_P (f
);)
5786 /* Force processing of queued events. */
5787 /* TODO: x_sync equivalent? */
5789 /* Machines that do polling rather than SIGIO have been observed
5790 to go into a busy-wait here. So we'll fake an alarm signal
5791 to let the handler know that there's something to be read.
5792 We used to raise a real alarm, but it seems that the handler
5793 isn't always enabled here. This is probably a bug. */
5794 if (input_polling_used ())
5796 /* It could be confusing if a real alarm arrives while processing
5797 the fake one. Turn it off and let the handler reset it. */
5798 int old_poll_suppress_count
= poll_suppress_count
;
5799 poll_suppress_count
= 1;
5800 poll_for_input_1 ();
5801 poll_suppress_count
= old_poll_suppress_count
;
5804 FRAME_SAMPLE_VISIBILITY (f
);
5808 /* Change from mapped state to withdrawn state. */
5810 /* Make the frame visible (mapped and not iconified). */
5812 x_make_frame_invisible (f
)
5815 /* Don't keep the highlight on an invisible frame. */
5816 if (FRAME_W32_DISPLAY_INFO (f
)->x_highlight_frame
== f
)
5817 FRAME_W32_DISPLAY_INFO (f
)->x_highlight_frame
= 0;
5821 my_show_window (f
, FRAME_W32_WINDOW (f
), SW_HIDE
);
5823 /* We can't distinguish this from iconification
5824 just by the event that we get from the server.
5825 So we can't win using the usual strategy of letting
5826 FRAME_SAMPLE_VISIBILITY set this. So do it by hand,
5827 and synchronize with the server to make sure we agree. */
5829 FRAME_ICONIFIED_P (f
) = 0;
5830 f
->async_visible
= 0;
5831 f
->async_iconified
= 0;
5836 /* Change window state from mapped to iconified. */
5844 /* Don't keep the highlight on an invisible frame. */
5845 if (FRAME_W32_DISPLAY_INFO (f
)->x_highlight_frame
== f
)
5846 FRAME_W32_DISPLAY_INFO (f
)->x_highlight_frame
= 0;
5848 if (f
->async_iconified
)
5853 type
= x_icon_type (f
);
5855 x_bitmap_icon (f
, type
);
5857 /* Simulate the user minimizing the frame. */
5858 SendMessage (FRAME_W32_WINDOW (f
), WM_SYSCOMMAND
, SC_MINIMIZE
, 0);
5864 /* Free X resources of frame F. */
5867 x_free_frame_resources (f
)
5870 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
5874 if (FRAME_W32_WINDOW (f
))
5875 my_destroy_window (f
, FRAME_W32_WINDOW (f
));
5877 free_frame_menubar (f
);
5879 unload_color (f
, f
->output_data
.x
->foreground_pixel
);
5880 unload_color (f
, f
->output_data
.x
->background_pixel
);
5881 unload_color (f
, f
->output_data
.w32
->cursor_pixel
);
5882 unload_color (f
, f
->output_data
.w32
->cursor_foreground_pixel
);
5883 unload_color (f
, f
->output_data
.w32
->border_pixel
);
5884 unload_color (f
, f
->output_data
.w32
->mouse_pixel
);
5885 if (f
->output_data
.w32
->white_relief
.allocated_p
)
5886 unload_color (f
, f
->output_data
.w32
->white_relief
.pixel
);
5887 if (f
->output_data
.w32
->black_relief
.allocated_p
)
5888 unload_color (f
, f
->output_data
.w32
->black_relief
.pixel
);
5890 if (FRAME_FACE_CACHE (f
))
5891 free_frame_faces (f
);
5893 xfree (f
->output_data
.w32
);
5894 f
->output_data
.w32
= NULL
;
5896 if (f
== dpyinfo
->w32_focus_frame
)
5897 dpyinfo
->w32_focus_frame
= 0;
5898 if (f
== dpyinfo
->w32_focus_event_frame
)
5899 dpyinfo
->w32_focus_event_frame
= 0;
5900 if (f
== dpyinfo
->x_highlight_frame
)
5901 dpyinfo
->x_highlight_frame
= 0;
5903 if (f
== dpyinfo
->mouse_face_mouse_frame
)
5905 dpyinfo
->mouse_face_beg_row
5906 = dpyinfo
->mouse_face_beg_col
= -1;
5907 dpyinfo
->mouse_face_end_row
5908 = dpyinfo
->mouse_face_end_col
= -1;
5909 dpyinfo
->mouse_face_window
= Qnil
;
5910 dpyinfo
->mouse_face_deferred_gc
= 0;
5911 dpyinfo
->mouse_face_mouse_frame
= 0;
5918 /* Destroy the window of frame F. */
5920 x_destroy_window (f
)
5923 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
5925 x_free_frame_resources (f
);
5927 dpyinfo
->reference_count
--;
5931 /* Setting window manager hints. */
5933 /* Set the normal size hints for the window manager, for frame F.
5934 FLAGS is the flags word to use--or 0 meaning preserve the flags
5935 that the window now has.
5936 If USER_POSITION is nonzero, we set the USPosition
5937 flag (this is useful when FLAGS is 0). */
5939 x_wm_set_size_hint (f
, flags
, user_position
)
5944 Window window
= FRAME_W32_WINDOW (f
);
5948 SetWindowLong (window
, WND_FONTWIDTH_INDEX
, FRAME_COLUMN_WIDTH (f
));
5949 SetWindowLong (window
, WND_LINEHEIGHT_INDEX
, FRAME_LINE_HEIGHT (f
));
5950 SetWindowLong (window
, WND_BORDER_INDEX
, FRAME_INTERNAL_BORDER_WIDTH (f
));
5951 SetWindowLong (window
, WND_SCROLLBAR_INDEX
, f
->scroll_bar_actual_width
);
5956 /* Window manager things */
5958 x_wm_set_icon_position (f
, icon_x
, icon_y
)
5963 Window window
= FRAME_W32_WINDOW (f
);
5965 f
->display
.x
->wm_hints
.flags
|= IconPositionHint
;
5966 f
->display
.x
->wm_hints
.icon_x
= icon_x
;
5967 f
->display
.x
->wm_hints
.icon_y
= icon_y
;
5969 XSetWMHints (FRAME_X_DISPLAY (f
), window
, &f
->display
.x
->wm_hints
);
5974 /***********************************************************************
5976 ***********************************************************************/
5978 /* The following functions are listed here to help diff stay in step
5979 with xterm.c. See w32fns.c for definitions.
5981 x_get_font_info (f, font_idx)
5982 x_list_fonts (f, pattern, size, maxnames)
5988 /* Check that FONT is valid on frame F. It is if it can be found in F's
5992 x_check_font (f
, font
)
5997 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
5999 xassert (font
!= NULL
);
6001 for (i
= 0; i
< dpyinfo
->n_fonts
; i
++)
6002 if (dpyinfo
->font_table
[i
].name
6003 && font
== dpyinfo
->font_table
[i
].font
)
6006 xassert (i
< dpyinfo
->n_fonts
);
6009 #endif /* GLYPH_DEBUG != 0 */
6011 /* Set *W to the minimum width, *H to the minimum font height of FONT.
6012 Note: There are (broken) X fonts out there with invalid XFontStruct
6013 min_bounds contents. For example, handa@etl.go.jp reports that
6014 "-adobe-courier-medium-r-normal--*-180-*-*-m-*-iso8859-1" fonts
6015 have font->min_bounds.width == 0. */
6018 x_font_min_bounds (font
, w
, h
)
6023 * TODO: Windows does not appear to offer min bound, only
6024 * average and maximum width, and maximum height.
6026 *h
= FONT_HEIGHT (font
);
6027 *w
= FONT_WIDTH (font
);
6031 /* Compute the smallest character width and smallest font height over
6032 all fonts available on frame F. Set the members smallest_char_width
6033 and smallest_font_height in F's x_display_info structure to
6034 the values computed. Value is non-zero if smallest_font_height or
6035 smallest_char_width become smaller than they were before. */
6038 x_compute_min_glyph_bounds (f
)
6042 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
6044 int old_width
= dpyinfo
->smallest_char_width
;
6045 int old_height
= dpyinfo
->smallest_font_height
;
6047 dpyinfo
->smallest_font_height
= 100000;
6048 dpyinfo
->smallest_char_width
= 100000;
6050 for (i
= 0; i
< dpyinfo
->n_fonts
; ++i
)
6051 if (dpyinfo
->font_table
[i
].name
)
6053 struct font_info
*fontp
= dpyinfo
->font_table
+ i
;
6056 font
= (XFontStruct
*) fontp
->font
;
6057 xassert (font
!= (XFontStruct
*) ~0);
6058 x_font_min_bounds (font
, &w
, &h
);
6060 dpyinfo
->smallest_font_height
= min (dpyinfo
->smallest_font_height
, h
);
6061 dpyinfo
->smallest_char_width
= min (dpyinfo
->smallest_char_width
, w
);
6064 xassert (dpyinfo
->smallest_char_width
> 0
6065 && dpyinfo
->smallest_font_height
> 0);
6067 return (dpyinfo
->n_fonts
== 1
6068 || dpyinfo
->smallest_char_width
< old_width
6069 || dpyinfo
->smallest_font_height
< old_height
);
6072 /* The following functions are listed here to help diff stay in step
6073 with xterm.c. See w32fns.c for definitions.
6075 x_load_font (f, fontname, size)
6076 x_query_font (f, fontname)
6077 x_find_ccl_program (fontp)
6081 /***********************************************************************
6083 ***********************************************************************/
6085 static int w32_initialized
= 0;
6088 w32_initialize_display_info (display_name
)
6089 Lisp_Object display_name
;
6091 struct w32_display_info
*dpyinfo
= &one_w32_display_info
;
6093 bzero (dpyinfo
, sizeof (*dpyinfo
));
6095 /* Put it on w32_display_name_list. */
6096 w32_display_name_list
= Fcons (Fcons (display_name
, Qnil
),
6097 w32_display_name_list
);
6098 dpyinfo
->name_list_element
= XCAR (w32_display_name_list
);
6100 dpyinfo
->w32_id_name
6101 = (char *) xmalloc (SCHARS (Vinvocation_name
)
6102 + SCHARS (Vsystem_name
)
6104 sprintf (dpyinfo
->w32_id_name
, "%s@%s",
6105 SDATA (Vinvocation_name
), SDATA (Vsystem_name
));
6107 /* Default Console mode values - overridden when running in GUI mode
6108 with values obtained from system metrics. */
6111 dpyinfo
->height_in
= 1;
6112 dpyinfo
->width_in
= 1;
6113 dpyinfo
->n_planes
= 1;
6114 dpyinfo
->n_cbits
= 4;
6115 dpyinfo
->n_fonts
= 0;
6116 dpyinfo
->smallest_font_height
= 1;
6117 dpyinfo
->smallest_char_width
= 1;
6119 dpyinfo
->mouse_face_beg_row
= dpyinfo
->mouse_face_beg_col
= -1;
6120 dpyinfo
->mouse_face_end_row
= dpyinfo
->mouse_face_end_col
= -1;
6121 dpyinfo
->mouse_face_face_id
= DEFAULT_FACE_ID
;
6122 dpyinfo
->mouse_face_window
= Qnil
;
6123 dpyinfo
->mouse_face_overlay
= Qnil
;
6124 dpyinfo
->mouse_face_hidden
= 0;
6126 dpyinfo
->vertical_scroll_bar_cursor
= w32_load_cursor (IDC_ARROW
);
6127 /* TODO: dpyinfo->gray */
6131 /* Create an xrdb-style database of resources to supercede registry settings.
6132 The database is just a concatenation of C strings, finished by an additional
6133 \0. The string are submitted to some basic normalization, so
6135 [ *]option[ *]:[ *]value...
6141 but any whitespace following value is not removed. */
6144 w32_make_rdb (xrm_option
)
6147 char *buffer
= xmalloc (strlen (xrm_option
) + 2);
6148 char *current
= buffer
;
6151 int before_value
= 0;
6165 if (in_option
&& (ch
== ':'))
6170 else if (before_value
)
6175 else if (!(in_option
|| before_value
))
6186 struct w32_display_info
*
6187 w32_term_init (display_name
, xrm_option
, resource_name
)
6188 Lisp_Object display_name
;
6190 char *resource_name
;
6192 struct w32_display_info
*dpyinfo
;
6197 if (!w32_initialized
)
6200 w32_initialized
= 1;
6203 w32_initialize_display_info (display_name
);
6205 dpyinfo
= &one_w32_display_info
;
6207 dpyinfo
->xrdb
= xrm_option
? w32_make_rdb (xrm_option
) : NULL
;
6209 /* Put this display on the chain. */
6210 dpyinfo
->next
= x_display_list
;
6211 x_display_list
= dpyinfo
;
6213 hdc
= GetDC (GetDesktopWindow ());
6215 dpyinfo
->height
= GetDeviceCaps (hdc
, VERTRES
);
6216 dpyinfo
->width
= GetDeviceCaps (hdc
, HORZRES
);
6217 dpyinfo
->root_window
= GetDesktopWindow ();
6218 dpyinfo
->n_planes
= GetDeviceCaps (hdc
, PLANES
);
6219 dpyinfo
->n_cbits
= GetDeviceCaps (hdc
, BITSPIXEL
);
6220 dpyinfo
->resx
= GetDeviceCaps (hdc
, LOGPIXELSX
);
6221 dpyinfo
->resy
= GetDeviceCaps (hdc
, LOGPIXELSY
);
6222 dpyinfo
->has_palette
= GetDeviceCaps (hdc
, RASTERCAPS
) & RC_PALETTE
;
6223 dpyinfo
->image_cache
= make_image_cache ();
6224 dpyinfo
->height_in
= dpyinfo
->height
/ dpyinfo
->resx
;
6225 dpyinfo
->width_in
= dpyinfo
->width
/ dpyinfo
->resy
;
6226 ReleaseDC (GetDesktopWindow (), hdc
);
6228 /* initialise palette with white and black */
6231 w32_defined_color (0, "white", &color
, 1);
6232 w32_defined_color (0, "black", &color
, 1);
6235 /* Create Fringe Bitmaps and store them for later use.
6237 On W32, bitmaps are all unsigned short, as Windows requires
6238 bitmap data to be Word aligned. For some reason they are
6239 horizontally reflected compared to how they appear on X, so we
6240 need to bitswap and convert to unsigned shorts before creating
6244 #ifndef F_SETOWN_BUG
6246 #ifdef F_SETOWN_SOCK_NEG
6247 /* stdin is a socket here */
6248 fcntl (connection
, F_SETOWN
, -getpid ());
6249 #else /* ! defined (F_SETOWN_SOCK_NEG) */
6250 fcntl (connection
, F_SETOWN
, getpid ());
6251 #endif /* ! defined (F_SETOWN_SOCK_NEG) */
6252 #endif /* ! defined (F_SETOWN) */
6253 #endif /* F_SETOWN_BUG */
6256 if (interrupt_input
)
6257 init_sigio (connection
);
6258 #endif /* ! defined (SIGIO) */
6265 /* Get rid of display DPYINFO, assuming all frames are already gone. */
6268 x_delete_display (dpyinfo
)
6269 struct w32_display_info
*dpyinfo
;
6271 /* Discard this display from w32_display_name_list and w32_display_list.
6272 We can't use Fdelq because that can quit. */
6273 if (! NILP (w32_display_name_list
)
6274 && EQ (XCAR (w32_display_name_list
), dpyinfo
->name_list_element
))
6275 w32_display_name_list
= XCDR (w32_display_name_list
);
6280 tail
= w32_display_name_list
;
6281 while (CONSP (tail
) && CONSP (XCDR (tail
)))
6283 if (EQ (XCAR (XCDR (tail
)), dpyinfo
->name_list_element
))
6285 XSETCDR (tail
, XCDR (XCDR (tail
)));
6292 /* free palette table */
6294 struct w32_palette_entry
* plist
;
6296 plist
= dpyinfo
->color_list
;
6299 struct w32_palette_entry
* pentry
= plist
;
6300 plist
= plist
->next
;
6303 dpyinfo
->color_list
= NULL
;
6304 if (dpyinfo
->palette
)
6305 DeleteObject(dpyinfo
->palette
);
6307 xfree (dpyinfo
->font_table
);
6308 xfree (dpyinfo
->w32_id_name
);
6310 w32_reset_fringes ();
6313 /* Set up use of W32. */
6315 DWORD WINAPI
w32_msg_worker (void * arg
);
6318 x_flush (struct frame
* f
)
6319 { /* Nothing to do */ }
6321 extern frame_parm_handler w32_frame_parm_handlers
[];
6323 static struct redisplay_interface w32_redisplay_interface
=
6325 w32_frame_parm_handlers
,
6329 x_clear_end_of_line
,
6331 x_after_update_window_line
,
6332 x_update_window_begin
,
6333 x_update_window_end
,
6336 0, /* flush_display_optional */
6337 x_clear_window_mouse_face
,
6338 w32_get_glyph_overhangs
,
6339 x_fix_overlapping_area
,
6340 w32_draw_fringe_bitmap
,
6341 w32_define_fringe_bitmap
,
6342 w32_destroy_fringe_bitmap
,
6343 w32_per_char_metric
,
6345 NULL
, /* w32_compute_glyph_string_overhangs */
6346 x_draw_glyph_string
,
6347 w32_define_frame_cursor
,
6348 w32_clear_frame_area
,
6349 w32_draw_window_cursor
,
6350 w32_draw_vertical_window_border
,
6351 w32_shift_glyphs_for_insert
6357 rif
= &w32_redisplay_interface
;
6359 /* MSVC does not type K&R functions with no arguments correctly, and
6360 so we must explicitly cast them. */
6361 clear_frame_hook
= (void (*)(void)) x_clear_frame
;
6362 ring_bell_hook
= (void (*)(void)) w32_ring_bell
;
6363 update_begin_hook
= x_update_begin
;
6364 update_end_hook
= x_update_end
;
6366 read_socket_hook
= w32_read_socket
;
6368 frame_up_to_date_hook
= w32_frame_up_to_date
;
6370 mouse_position_hook
= w32_mouse_position
;
6371 frame_rehighlight_hook
= w32_frame_rehighlight
;
6372 frame_raise_lower_hook
= w32_frame_raise_lower
;
6373 set_vertical_scroll_bar_hook
= w32_set_vertical_scroll_bar
;
6374 condemn_scroll_bars_hook
= w32_condemn_scroll_bars
;
6375 redeem_scroll_bar_hook
= w32_redeem_scroll_bar
;
6376 judge_scroll_bars_hook
= w32_judge_scroll_bars
;
6378 scroll_region_ok
= 1; /* we'll scroll partial frames */
6379 char_ins_del_ok
= 1;
6380 line_ins_del_ok
= 1; /* we'll just blt 'em */
6381 fast_clear_end_of_line
= 1; /* X does this well */
6382 memory_below_frame
= 0; /* we don't remember what scrolls
6386 w32_system_caret_hwnd
= NULL
;
6387 w32_system_caret_height
= 0;
6388 w32_system_caret_x
= 0;
6389 w32_system_caret_y
= 0;
6391 /* Initialize w32_use_visible_system_caret based on whether a screen
6392 reader is in use. */
6393 if (!SystemParametersInfo (SPI_GETSCREENREADER
, 0,
6394 &w32_use_visible_system_caret
, 0))
6395 w32_use_visible_system_caret
= 0;
6397 last_tool_bar_item
= -1;
6398 any_help_event_p
= 0;
6400 /* Initialize input mode: interrupt_input off, no flow control, allow
6401 8 bit character input, standard quit char. */
6402 Fset_input_mode (Qnil
, Qnil
, make_number (2), Qnil
);
6404 /* Create the window thread - it will terminate itself or when the app terminates */
6408 dwMainThreadId
= GetCurrentThreadId ();
6409 DuplicateHandle (GetCurrentProcess (), GetCurrentThread (),
6410 GetCurrentProcess (), &hMainThread
, 0, TRUE
, DUPLICATE_SAME_ACCESS
);
6412 /* Wait for thread to start */
6417 PeekMessage (&msg
, NULL
, 0, 0, PM_NOREMOVE
);
6419 hWindowsThread
= CreateThread (NULL
, 0,
6421 0, 0, &dwWindowsThreadId
);
6423 GetMessage (&msg
, NULL
, WM_EMACS_DONE
, WM_EMACS_DONE
);
6426 /* It is desirable that mainThread should have the same notion of
6427 focus window and active window as windowsThread. Unfortunately, the
6428 following call to AttachThreadInput, which should do precisely what
6429 we need, causes major problems when Emacs is linked as a console
6430 program. Unfortunately, we have good reasons for doing that, so
6431 instead we need to send messages to windowsThread to make some API
6432 calls for us (ones that affect, or depend on, the active/focus
6434 #ifdef ATTACH_THREADS
6435 AttachThreadInput (dwMainThreadId
, dwWindowsThreadId
, TRUE
);
6438 /* Load system settings. */
6440 UINT smoothing_type
;
6441 BOOL smoothing_enabled
;
6443 /* If using proportional scroll bars, ensure handle is at least 5 pixels;
6444 otherwise use the fixed height. */
6445 vertical_scroll_bar_min_handle
= 5;
6447 /* For either kind of scroll bar, take account of the arrows; these
6448 effectively form the border of the main scroll bar range. */
6449 vertical_scroll_bar_top_border
= vertical_scroll_bar_bottom_border
6450 = GetSystemMetrics (SM_CYVSCROLL
);
6452 /* Constants that are not always defined by the system headers
6453 since they only exist on certain versions of Windows. */
6454 #ifndef SPI_GETFONTSMOOTHING
6455 #define SPI_GETFONTSMOOTHING 0x4A
6457 #ifndef SPI_GETFONTSMOOTHINGTYPE
6458 #define SPI_GETFONTSMOOTHINGTYPE 0x0200A
6460 #ifndef FE_FONTSMOOTHINGCLEARTYPE
6461 #define FE_FONTSMOOTHINGCLEARTYPE 0x2
6464 /* Determine if Cleartype is in use. Used to enable a hack in
6465 the char metric calculations which adds extra pixels to
6466 compensate for the "sub-pixels" that are not counted by the
6469 SystemParametersInfo (SPI_GETFONTSMOOTHING
, 0, &smoothing_enabled
, 0)
6470 && smoothing_enabled
6471 && SystemParametersInfo (SPI_GETFONTSMOOTHINGTYPE
, 0, &smoothing_type
, 0)
6472 && smoothing_type
== FE_FONTSMOOTHINGCLEARTYPE
;
6479 staticpro (&w32_display_name_list
);
6480 w32_display_name_list
= Qnil
;
6482 staticpro (&last_mouse_scroll_bar
);
6483 last_mouse_scroll_bar
= Qnil
;
6485 staticpro (&Qvendor_specific_keysyms
);
6486 Qvendor_specific_keysyms
= intern ("vendor-specific-keysyms");
6488 DEFVAR_INT ("w32-num-mouse-buttons",
6489 &w32_num_mouse_buttons
,
6490 doc
: /* Number of physical mouse buttons. */);
6491 w32_num_mouse_buttons
= 2;
6493 DEFVAR_LISP ("w32-swap-mouse-buttons",
6494 &Vw32_swap_mouse_buttons
,
6495 doc
: /* Swap the mapping of middle and right mouse buttons.
6496 When nil, middle button is mouse-2 and right button is mouse-3. */);
6497 Vw32_swap_mouse_buttons
= Qnil
;
6499 DEFVAR_LISP ("w32-grab-focus-on-raise",
6500 &Vw32_grab_focus_on_raise
,
6501 doc
: /* Raised frame grabs input focus.
6502 When t, `raise-frame' grabs input focus as well. This fits well
6503 with the normal Windows click-to-focus policy, but might not be
6504 desirable when using a point-to-focus policy. */);
6505 Vw32_grab_focus_on_raise
= Qt
;
6507 DEFVAR_LISP ("w32-capslock-is-shiftlock",
6508 &Vw32_capslock_is_shiftlock
,
6509 doc
: /* Apply CapsLock state to non character input keys.
6510 When nil, CapsLock only affects normal character input keys. */);
6511 Vw32_capslock_is_shiftlock
= Qnil
;
6513 DEFVAR_LISP ("w32-recognize-altgr",
6514 &Vw32_recognize_altgr
,
6515 doc
: /* Recognize right-alt and left-ctrl as AltGr.
6516 When nil, the right-alt and left-ctrl key combination is
6517 interpreted normally. */);
6518 Vw32_recognize_altgr
= Qt
;
6520 DEFVAR_BOOL ("w32-enable-unicode-output",
6521 &w32_enable_unicode_output
,
6522 doc
: /* Enable the use of Unicode for text output if non-nil.
6523 Unicode output may prevent some third party applications for displaying
6524 Far-East Languages on Windows 95/98 from working properly.
6525 NT uses Unicode internally anyway, so this flag will probably have no
6526 affect on NT machines. */);
6527 w32_enable_unicode_output
= 1;
6529 DEFVAR_BOOL ("w32-use-visible-system-caret",
6530 &w32_use_visible_system_caret
,
6531 doc
: /* Flag to make the system caret visible.
6532 When this is non-nil, Emacs will indicate the position of point by
6533 using the system caret instead of drawing its own cursor. Some screen
6534 reader software does not track the system cursor properly when it is
6535 invisible, and gets confused by Emacs drawing its own cursor, so this
6536 variable is initialized to t when Emacs detects that screen reader
6537 software is running as it starts up.
6539 When this variable is set, other variables affecting the appearance of
6540 the cursor have no effect. */);
6542 w32_use_visible_system_caret
= 0;
6544 /* We don't yet support this, but defining this here avoids whining
6545 from cus-start.el and other places, like "M-x set-variable". */
6546 DEFVAR_BOOL ("x-use-underline-position-properties",
6547 &x_use_underline_position_properties
,
6548 doc
: /* *Non-nil means make use of UNDERLINE_POSITION font properties.
6549 A value of nil means ignore them. If you encounter fonts with bogus
6550 UNDERLINE_POSITION font properties, for example 7x13 on XFree prior
6551 to 4.1, set this to nil.
6553 NOTE: Not supported on MS-Windows yet. */);
6554 x_use_underline_position_properties
= 0;
6556 DEFVAR_BOOL ("x-underline-at-descent-line",
6557 &x_underline_at_descent_line
,
6558 doc
: /* *Non-nil means to draw the underline at the same place as the descent line.
6559 A value of nil means to draw the underline according to the value of the
6560 variable `x-use-underline-position-properties', which is usually at the
6561 baseline level. The default value is nil. */);
6562 x_underline_at_descent_line
= 0;
6564 DEFVAR_LISP ("x-toolkit-scroll-bars", &Vx_toolkit_scroll_bars
,
6565 doc
: /* If not nil, Emacs uses toolkit scroll bars. */);
6566 Vx_toolkit_scroll_bars
= Qt
;
6568 staticpro (&last_mouse_motion_frame
);
6569 last_mouse_motion_frame
= Qnil
;
6572 /* arch-tag: 5fa70624-ab86-499c-8a85-473958ee4646
6573 (do not change this comment) */