1 /* Implementation of GUI terminal on the Microsoft W32 API.
2 Copyright (C) 1989, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001,
3 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
5 This file is part of GNU Emacs.
7 GNU Emacs is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2, or (at your option)
12 GNU Emacs is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with GNU Emacs; see the file COPYING. If not, write to
19 the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
20 Boston, MA 02110-1301, USA. */
28 #include "blockinput.h"
47 #include "dispextern.h"
49 #include "termhooks.h"
56 #include "intervals.h"
57 #include "composite.h"
60 #define abs(x) ((x) < 0 ? -(x) : (x))
65 static int max_fringe_bmp
= 0;
66 static HBITMAP
*fringe_bmp
= 0;
68 /* Non-nil means Emacs uses toolkit scroll bars. */
70 Lisp_Object Vx_toolkit_scroll_bars
;
72 /* Temporary variables for w32_read_socket. */
74 static int last_mousemove_x
= 0;
75 static int last_mousemove_y
= 0;
77 /* Define GET_WHEEL_DELTA_WPARAM macro if system headers don't. */
78 #ifndef GET_WHEEL_DELTA_WPARAM
79 #define GET_WHEEL_DELTA_WPARAM(wparam) ((short)HIWORD (wparam))
82 /* Non-zero means that a HELP_EVENT has been generated since Emacs
85 static int any_help_event_p
;
87 /* Last window where we saw the mouse. Used by mouse-autoselect-window. */
88 static Lisp_Object last_window
;
90 /* Non-zero means make use of UNDERLINE_POSITION font properties.
91 (Not yet supported, see TODO in x_draw_glyph_string.) */
92 int x_use_underline_position_properties
;
94 extern unsigned int msh_mousewheel
;
96 extern void free_frame_menubar ();
98 extern int w32_codepage_for_font (char *fontname
);
99 extern Cursor
w32_load_cursor (LPCTSTR name
);
101 extern glyph_metric
*w32_BDF_TextMetric(bdffont
*fontp
,
102 unsigned char *text
, int dim
);
103 extern Lisp_Object Vwindow_system
;
105 #define x_any_window_to_frame x_window_to_frame
106 #define x_top_window_to_frame x_window_to_frame
109 /* This is display since w32 does not support multiple ones. */
110 struct w32_display_info one_w32_display_info
;
111 struct w32_display_info
*x_display_list
;
113 /* This is a list of cons cells, each of the form (NAME . FONT-LIST-CACHE),
114 one for each element of w32_display_list and in the same order.
115 NAME is the name of the frame.
116 FONT-LIST-CACHE records previous values returned by x-list-fonts. */
117 Lisp_Object w32_display_name_list
;
119 /* Frame being updated by update_frame. This is declared in term.c.
120 This is set by update_begin and looked at by all the
121 w32 functions. It is zero while not inside an update.
122 In that case, the w32 functions assume that `SELECTED_FRAME ()'
123 is the frame to apply to. */
124 extern struct frame
*updating_frame
;
126 /* This is a frame waiting to be autoraised, within w32_read_socket. */
127 struct frame
*pending_autoraise_frame
;
129 /* The handle of the frame that currently owns the system caret. */
130 HWND w32_system_caret_hwnd
;
131 int w32_system_caret_height
;
132 int w32_system_caret_x
;
133 int w32_system_caret_y
;
134 int w32_use_visible_system_caret
;
136 /* Flag to enable Unicode output in case users wish to use programs
137 like Twinbridge on '95 rather than installed system level support
138 for Far East languages. */
139 int w32_enable_unicode_output
;
141 /* Flag to enable Cleartype hack for font metrics. */
142 static int cleartype_active
;
144 DWORD dwWindowsThreadId
= 0;
145 HANDLE hWindowsThread
= NULL
;
146 DWORD dwMainThreadId
= 0;
147 HANDLE hMainThread
= NULL
;
150 /* These definitions are new with Windows 95. */
151 #define SIF_RANGE 0x0001
152 #define SIF_PAGE 0x0002
153 #define SIF_POS 0x0004
154 #define SIF_DISABLENOSCROLL 0x0008
155 #define SIF_TRACKPOS 0x0010
156 #define SIF_ALL (SIF_RANGE | SIF_PAGE | SIF_POS | SIF_TRACKPOS)
158 typedef struct tagSCROLLINFO
167 } SCROLLINFO
, FAR
*LPSCROLLINFO
;
168 typedef SCROLLINFO CONST FAR
*LPCSCROLLINFO
;
171 /* Dynamic linking to new proportional scroll bar functions. */
172 int (PASCAL
*pfnSetScrollInfo
) (HWND hwnd
, int fnBar
, LPSCROLLINFO lpsi
, BOOL fRedraw
);
173 BOOL (PASCAL
*pfnGetScrollInfo
) (HWND hwnd
, int fnBar
, LPSCROLLINFO lpsi
);
175 int vertical_scroll_bar_min_handle
;
176 int vertical_scroll_bar_top_border
;
177 int vertical_scroll_bar_bottom_border
;
179 int last_scroll_bar_drag_pos
;
181 /* Mouse movement. */
183 /* Where the mouse was last time we reported a mouse event. */
185 static RECT last_mouse_glyph
;
186 static Lisp_Object last_mouse_press_frame
;
188 int w32_num_mouse_buttons
;
190 Lisp_Object Vw32_swap_mouse_buttons
;
192 /* Control whether x_raise_frame also sets input focus. */
193 Lisp_Object Vw32_grab_focus_on_raise
;
195 /* Control whether Caps Lock affects non-ascii characters. */
196 Lisp_Object Vw32_capslock_is_shiftlock
;
198 /* Control whether right-alt and left-ctrl should be recognized as AltGr. */
199 Lisp_Object Vw32_recognize_altgr
;
201 /* The scroll bar in which the last motion event occurred.
203 If the last motion event occurred in a scroll bar, we set this
204 so w32_mouse_position can know whether to report a scroll bar motion or
207 If the last motion event didn't occur in a scroll bar, we set this
208 to Qnil, to tell w32_mouse_position to return an ordinary motion event. */
209 static Lisp_Object last_mouse_scroll_bar
;
210 static int last_mouse_scroll_bar_pos
;
212 /* This is a hack. We would really prefer that w32_mouse_position would
213 return the time associated with the position it returns, but there
214 doesn't seem to be any way to wrest the time-stamp from the server
215 along with the position query. So, we just keep track of the time
216 of the last movement we received, and return that in hopes that
217 it's somewhat accurate. */
219 static Time last_mouse_movement_time
;
221 /* Incremented by w32_read_socket whenever it really tries to read
225 static int volatile input_signal_count
;
227 static int input_signal_count
;
230 extern Lisp_Object Vcommand_line_args
, Vsystem_name
;
236 /* A mask of extra modifier bits to put into every keyboard char. */
238 extern EMACS_INT extra_keyboard_modifiers
;
240 static void x_update_window_end
P_ ((struct window
*, int, int));
241 void w32_delete_display
P_ ((struct w32_display_info
*));
242 static void w32_handle_tool_bar_click
P_ ((struct frame
*,
243 struct input_event
*));
244 void w32_define_cursor
P_ ((Window
, Cursor
));
246 void x_lower_frame
P_ ((struct frame
*));
247 void x_scroll_bar_clear
P_ ((struct frame
*));
248 void x_wm_set_size_hint
P_ ((struct frame
*, long, int));
249 void x_raise_frame
P_ ((struct frame
*));
250 void x_set_window_size
P_ ((struct frame
*, int, int, int));
251 void x_wm_set_window_state
P_ ((struct frame
*, int));
252 void x_wm_set_icon_pixmap
P_ ((struct frame
*, int));
253 void w32_initialize
P_ ((void));
254 static void x_font_min_bounds
P_ ((XFontStruct
*, int *, int *));
255 int x_compute_min_glyph_bounds
P_ ((struct frame
*));
256 static void x_update_end
P_ ((struct frame
*));
257 static void w32_frame_up_to_date
P_ ((struct frame
*));
258 static void w32_set_terminal_modes
P_ ((void));
259 static void w32_reset_terminal_modes
P_ ((void));
260 static void x_clear_frame
P_ ((void));
261 static void frame_highlight
P_ ((struct frame
*));
262 static void frame_unhighlight
P_ ((struct frame
*));
263 static void x_new_focus_frame
P_ ((struct w32_display_info
*,
265 static void x_focus_changed
P_ ((int, int, struct w32_display_info
*,
266 struct frame
*, struct input_event
*));
267 static void w32_detect_focus_change
P_ ((struct w32_display_info
*,
268 W32Msg
*, struct input_event
*));
269 static void w32_frame_rehighlight
P_ ((struct frame
*));
270 static void x_frame_rehighlight
P_ ((struct w32_display_info
*));
271 static void x_draw_hollow_cursor
P_ ((struct window
*, struct glyph_row
*));
272 static void x_draw_bar_cursor
P_ ((struct window
*, struct glyph_row
*, int,
273 enum text_cursor_kinds
));
274 static void w32_clip_to_row
P_ ((struct window
*, struct glyph_row
*, int, HDC
));
275 static BOOL my_show_window
P_ ((struct frame
*, HWND
, int));
276 static void my_set_window_pos
P_ ((HWND
, HWND
, int, int, int, int, UINT
));
277 static void my_set_focus
P_ ((struct frame
*, HWND
));
278 static void my_set_foreground_window
P_ ((HWND
));
279 static void my_destroy_window
P_ ((struct frame
*, HWND
));
281 static Lisp_Object Qvendor_specific_keysyms
;
284 /***********************************************************************
286 ***********************************************************************/
290 /* This is a function useful for recording debugging information about
291 the sequence of occurrences in this file. */
299 struct record event_record
[100];
301 int event_record_index
;
303 record_event (locus
, type
)
307 if (event_record_index
== sizeof (event_record
) / sizeof (struct record
))
308 event_record_index
= 0;
310 event_record
[event_record_index
].locus
= locus
;
311 event_record
[event_record_index
].type
= type
;
312 event_record_index
++;
319 XChangeGC (void * ignore
, XGCValues
* gc
, unsigned long mask
,
322 if (mask
& GCForeground
)
323 gc
->foreground
= xgcv
->foreground
;
324 if (mask
& GCBackground
)
325 gc
->background
= xgcv
->background
;
327 gc
->font
= xgcv
->font
;
330 XGCValues
*XCreateGC (void * ignore
, Window window
, unsigned long mask
,
333 XGCValues
*gc
= (XGCValues
*) xmalloc (sizeof (XGCValues
));
334 bzero (gc
, sizeof (XGCValues
));
336 XChangeGC (ignore
, gc
, mask
, xgcv
);
342 XGetGCValues (void* ignore
, XGCValues
*gc
,
343 unsigned long mask
, XGCValues
*xgcv
)
345 XChangeGC (ignore
, xgcv
, mask
, gc
);
349 w32_set_clip_rectangle (HDC hdc
, RECT
*rect
)
353 HRGN clip_region
= CreateRectRgnIndirect (rect
);
354 SelectClipRgn (hdc
, clip_region
);
355 DeleteObject (clip_region
);
358 SelectClipRgn (hdc
, NULL
);
362 /* Draw a hollow rectangle at the specified position. */
364 w32_draw_rectangle (HDC hdc
, XGCValues
*gc
, int x
, int y
,
365 int width
, int height
)
370 hb
= CreateSolidBrush (gc
->background
);
371 hp
= CreatePen (PS_SOLID
, 0, gc
->foreground
);
372 oldhb
= SelectObject (hdc
, hb
);
373 oldhp
= SelectObject (hdc
, hp
);
375 Rectangle (hdc
, x
, y
, x
+ width
, y
+ height
);
377 SelectObject (hdc
, oldhb
);
378 SelectObject (hdc
, oldhp
);
383 /* Draw a filled rectangle at the specified position. */
385 w32_fill_rect (f
, hdc
, pix
, lprect
)
393 hb
= CreateSolidBrush (pix
);
394 FillRect (hdc
, lprect
, hb
);
403 HDC hdc
= get_frame_dc (f
);
405 /* Under certain conditions, this can be called at startup with
406 a console frame pointer before the GUI frame is created. An HDC
407 of 0 indicates this. */
410 GetClientRect (FRAME_W32_WINDOW (f
), &rect
);
411 w32_clear_rect (f
, hdc
, &rect
);
414 release_frame_dc (f
, hdc
);
418 /***********************************************************************
419 Starting and ending an update
420 ***********************************************************************/
422 /* Start an update of frame F. This function is installed as a hook
423 for update_begin, i.e. it is called when update_begin is called.
424 This function is called prior to calls to x_update_window_begin for
425 each window being updated. */
431 struct w32_display_info
*display_info
= FRAME_W32_DISPLAY_INFO (f
);
433 if (! FRAME_W32_P (f
))
436 /* Regenerate display palette before drawing if list of requested
437 colors has changed. */
438 if (display_info
->regen_palette
)
440 w32_regenerate_palette (f
);
441 display_info
->regen_palette
= FALSE
;
446 /* Start update of window W. Set the global variable updated_window
447 to the window being updated and set output_cursor to the cursor
451 x_update_window_begin (w
)
454 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
455 struct w32_display_info
*display_info
= FRAME_W32_DISPLAY_INFO (f
);
457 /* Hide the system caret during an update. */
458 if (w32_use_visible_system_caret
&& w32_system_caret_hwnd
)
460 SendMessage (w32_system_caret_hwnd
, WM_EMACS_HIDE_CARET
, 0, 0);
464 set_output_cursor (&w
->cursor
);
468 if (f
== display_info
->mouse_face_mouse_frame
)
470 /* Don't do highlighting for mouse motion during the update. */
471 display_info
->mouse_face_defer
= 1;
473 /* If F needs to be redrawn, simply forget about any prior mouse
475 if (FRAME_GARBAGED_P (f
))
476 display_info
->mouse_face_window
= Qnil
;
478 #if 0 /* Rows in a current matrix containing glyphs in mouse-face have
479 their mouse_face_p flag set, which means that they are always
480 unequal to rows in a desired matrix which never have that
481 flag set. So, rows containing mouse-face glyphs are never
482 scrolled, and we don't have to switch the mouse highlight off
483 here to prevent it from being scrolled. */
485 /* Can we tell that this update does not affect the window
486 where the mouse highlight is? If so, no need to turn off.
487 Likewise, don't do anything if the frame is garbaged;
488 in that case, the frame's current matrix that we would use
489 is all wrong, and we will redisplay that line anyway. */
490 if (!NILP (display_info
->mouse_face_window
)
491 && w
== XWINDOW (display_info
->mouse_face_window
))
495 for (i
= 0; i
< w
->desired_matrix
->nrows
; ++i
)
496 if (MATRIX_ROW_ENABLED_P (w
->desired_matrix
, i
))
499 if (i
< w
->desired_matrix
->nrows
)
500 clear_mouse_face (display_info
);
508 /* Draw a vertical window border from (x,y0) to (x,y1) */
511 w32_draw_vertical_window_border (w
, x
, y0
, y1
)
515 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
525 hdc
= get_frame_dc (f
);
526 face
= FACE_FROM_ID (f
, VERTICAL_BORDER_FACE_ID
);
528 w32_fill_rect (f
, hdc
, face
->foreground
, &r
);
530 w32_fill_rect (f
, hdc
, FRAME_FOREGROUND_PIXEL (f
), &r
);
532 release_frame_dc (f
, hdc
);
536 /* End update of window W (which is equal to updated_window).
538 Draw vertical borders between horizontally adjacent windows, and
539 display W's cursor if CURSOR_ON_P is non-zero.
541 MOUSE_FACE_OVERWRITTEN_P non-zero means that some row containing
542 glyphs in mouse-face were overwritten. In that case we have to
543 make sure that the mouse-highlight is properly redrawn.
545 W may be a menu bar pseudo-window in case we don't have X toolkit
546 support. Such windows don't have a cursor, so don't display it
550 x_update_window_end (w
, cursor_on_p
, mouse_face_overwritten_p
)
552 int cursor_on_p
, mouse_face_overwritten_p
;
554 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (XFRAME (w
->frame
));
556 if (!w
->pseudo_window_p
)
561 display_and_set_cursor (w
, 1, output_cursor
.hpos
,
563 output_cursor
.x
, output_cursor
.y
);
565 if (draw_window_fringes (w
, 1))
566 x_draw_vertical_border (w
);
571 /* If a row with mouse-face was overwritten, arrange for
572 XTframe_up_to_date to redisplay the mouse highlight. */
573 if (mouse_face_overwritten_p
)
575 dpyinfo
->mouse_face_beg_row
= dpyinfo
->mouse_face_beg_col
= -1;
576 dpyinfo
->mouse_face_end_row
= dpyinfo
->mouse_face_end_col
= -1;
577 dpyinfo
->mouse_face_window
= Qnil
;
580 /* Unhide the caret. This won't actually show the cursor, unless it
581 was visible before the corresponding call to HideCaret in
582 x_update_window_begin. */
583 if (w32_use_visible_system_caret
&& w32_system_caret_hwnd
)
585 SendMessage (w32_system_caret_hwnd
, WM_EMACS_SHOW_CARET
, 0, 0);
588 updated_window
= NULL
;
592 /* End update of frame F. This function is installed as a hook in
599 if (! FRAME_W32_P (f
))
602 /* Mouse highlight may be displayed again. */
603 FRAME_W32_DISPLAY_INFO (f
)->mouse_face_defer
= 0;
607 /* This function is called from various places in xdisp.c whenever a
608 complete update has been performed. The global variable
609 updated_window is not available here. */
612 w32_frame_up_to_date (f
)
617 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
619 if (dpyinfo
->mouse_face_deferred_gc
620 || f
== dpyinfo
->mouse_face_mouse_frame
)
623 if (dpyinfo
->mouse_face_mouse_frame
)
624 note_mouse_highlight (dpyinfo
->mouse_face_mouse_frame
,
625 dpyinfo
->mouse_face_mouse_x
,
626 dpyinfo
->mouse_face_mouse_y
);
627 dpyinfo
->mouse_face_deferred_gc
= 0;
634 /* Draw truncation mark bitmaps, continuation mark bitmaps, overlay
635 arrow bitmaps, or clear the fringes if no bitmaps are required
636 before DESIRED_ROW is made current. The window being updated is
637 found in updated_window. This function is called from
638 update_window_line only if it is known that there are differences
639 between bitmaps to be drawn between current row and DESIRED_ROW. */
642 x_after_update_window_line (desired_row
)
643 struct glyph_row
*desired_row
;
645 struct window
*w
= updated_window
;
651 if (!desired_row
->mode_line_p
&& !w
->pseudo_window_p
)
652 desired_row
->redraw_fringe_bitmaps_p
= 1;
654 /* When a window has disappeared, make sure that no rest of
655 full-width rows stays visible in the internal border. Could
656 check here if updated_window is the leftmost/rightmost window,
657 but I guess it's not worth doing since vertically split windows
658 are almost never used, internal border is rarely set, and the
659 overhead is very small. */
660 if (windows_or_buffers_changed
661 && desired_row
->full_width_p
662 && (f
= XFRAME (w
->frame
),
663 width
= FRAME_INTERNAL_BORDER_WIDTH (f
),
665 && (height
= desired_row
->visible_height
,
668 int y
= WINDOW_TO_FRAME_PIXEL_Y (w
, max (0, desired_row
->y
));
670 /* Internal border is drawn below the tool bar. */
671 if (WINDOWP (f
->tool_bar_window
)
672 && w
== XWINDOW (f
->tool_bar_window
))
677 HDC hdc
= get_frame_dc (f
);
678 w32_clear_area (f
, hdc
, 0, y
, width
, height
);
679 w32_clear_area (f
, hdc
, FRAME_PIXEL_WIDTH (f
) - width
,
681 release_frame_dc (f
, hdc
);
688 /* Draw the bitmap WHICH in one of the left or right fringes of
689 window W. ROW is the glyph row for which to display the bitmap; it
690 determines the vertical position at which the bitmap has to be
694 w32_draw_fringe_bitmap (w
, row
, p
)
696 struct glyph_row
*row
;
697 struct draw_fringe_bitmap_params
*p
;
699 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
701 struct face
*face
= p
->face
;
704 hdc
= get_frame_dc (f
);
706 /* Must clip because of partially visible lines. */
707 rowY
= WINDOW_TO_FRAME_PIXEL_Y (w
, row
->y
);
710 /* Adjust position of "bottom aligned" bitmap on partially
713 int oldVH
= row
->visible_height
;
714 row
->visible_height
= p
->h
;
715 row
->y
-= rowY
- p
->y
;
716 w32_clip_to_row (w
, row
, -1, hdc
);
718 row
->visible_height
= oldVH
;
721 w32_clip_to_row (w
, row
, -1, hdc
);
723 if (p
->bx
>= 0 && !p
->overlay_p
)
725 w32_fill_area (f
, hdc
, face
->background
,
726 p
->bx
, p
->by
, p
->nx
, p
->ny
);
729 if (p
->which
&& p
->which
< max_fringe_bmp
)
731 HBITMAP pixmap
= fringe_bmp
[p
->which
];
735 compat_hdc
= CreateCompatibleDC (hdc
);
739 horig_obj
= SelectObject (compat_hdc
, pixmap
);
741 /* Paint overlays transparently. */
744 HBRUSH h_brush
, h_orig_brush
;
746 SetTextColor (hdc
, BLACK_PIX_DEFAULT (f
));
747 SetBkColor (hdc
, WHITE_PIX_DEFAULT (f
));
748 h_brush
= CreateSolidBrush (face
->foreground
);
749 h_orig_brush
= SelectObject (hdc
, h_brush
);
751 BitBlt (hdc
, p
->x
, p
->y
, p
->wd
, p
->h
,
752 compat_hdc
, 0, p
->dh
,
754 BitBlt (hdc
, p
->x
, p
->y
, p
->wd
, p
->h
,
755 compat_hdc
, 0, p
->dh
,
757 BitBlt (hdc
, p
->x
, p
->y
, p
->wd
, p
->h
,
758 compat_hdc
, 0, p
->dh
,
761 SelectObject (hdc
, h_orig_brush
);
762 DeleteObject (h_brush
);
766 SetTextColor (hdc
, face
->background
);
767 SetBkColor (hdc
, (p
->cursor_p
768 ? f
->output_data
.w32
->cursor_pixel
769 : face
->foreground
));
771 BitBlt (hdc
, p
->x
, p
->y
, p
->wd
, p
->h
,
772 compat_hdc
, 0, p
->dh
,
776 SelectObject (compat_hdc
, horig_obj
);
777 DeleteDC (compat_hdc
);
781 w32_set_clip_rectangle (hdc
, NULL
);
783 release_frame_dc (f
, hdc
);
787 w32_define_fringe_bitmap (which
, bits
, h
, wd
)
789 unsigned short *bits
;
792 if (which
>= max_fringe_bmp
)
794 int i
= max_fringe_bmp
;
795 max_fringe_bmp
= which
+ 20;
796 fringe_bmp
= (HBITMAP
*) xrealloc (fringe_bmp
, max_fringe_bmp
* sizeof (HBITMAP
));
797 while (i
< max_fringe_bmp
)
801 fringe_bmp
[which
] = CreateBitmap (wd
, h
, 1, 1, bits
);
805 w32_destroy_fringe_bitmap (which
)
808 if (which
>= max_fringe_bmp
)
811 if (fringe_bmp
[which
])
812 DeleteObject (fringe_bmp
[which
]);
813 fringe_bmp
[which
] = 0;
818 /* This is called when starting Emacs and when restarting after
819 suspend. When starting Emacs, no window is mapped. And nothing
820 must be done to Emacs's own window if it is suspended (though that
824 w32_set_terminal_modes (void)
828 /* This is called when exiting or suspending Emacs. Exiting will make
829 the W32 windows go away, and suspending requires no action. */
832 w32_reset_terminal_modes (void)
838 /***********************************************************************
840 ***********************************************************************/
842 /* Function prototypes of this page. */
844 XCharStruct
*w32_per_char_metric
P_ ((XFontStruct
*, wchar_t *, int));
845 static int w32_encode_char
P_ ((int, wchar_t *, struct font_info
*, int *));
848 /* Get metrics of character CHAR2B in FONT. Value is always non-null.
849 If CHAR2B is not contained in FONT, the font's default character
850 metric is returned. */
853 w32_bdf_per_char_metric (font
, char2b
, dim
, pcm
)
859 glyph_metric
* bdf_metric
;
863 buf
[0] = (char)(*char2b
);
866 buf
[0] = XCHAR2B_BYTE1 (char2b
);
867 buf
[1] = XCHAR2B_BYTE2 (char2b
);
870 bdf_metric
= w32_BDF_TextMetric (font
->bdf
, buf
, dim
);
874 pcm
->width
= bdf_metric
->dwidth
;
875 pcm
->lbearing
= bdf_metric
->bbox
;
876 pcm
->rbearing
= bdf_metric
->dwidth
877 - (bdf_metric
->bbox
+ bdf_metric
->bbw
);
878 pcm
->ascent
= bdf_metric
->bboy
+ bdf_metric
->bbh
;
879 pcm
->descent
= -bdf_metric
->bboy
;
888 w32_native_per_char_metric (font
, char2b
, font_type
, pcm
)
891 enum w32_char_font_type font_type
;
894 HDC hdc
= GetDC (NULL
);
898 xassert (font
&& char2b
);
899 xassert (font
->hfont
);
900 xassert (font_type
== UNICODE_FONT
|| font_type
== ANSI_FONT
);
902 old_font
= SelectObject (hdc
, font
->hfont
);
904 if ((font
->tm
.tmPitchAndFamily
& TMPF_TRUETYPE
) != 0)
908 if (font_type
== UNICODE_FONT
)
909 retval
= GetCharABCWidthsW (hdc
, *char2b
, *char2b
, &char_widths
);
911 retval
= GetCharABCWidthsA (hdc
, *char2b
, *char2b
, &char_widths
);
916 /* Disabled until we can find a way to get the right results
917 on all versions of Windows. */
919 /* Don't trust the ABC widths. For synthesized fonts they are
920 wrong, and so is the result of GetCharWidth()! */
922 GetCharWidth (hdc
, *char2b
, *char2b
, &real_width
);
924 if (cleartype_active
)
926 /* Cleartype antialiasing causes characters to overhang
927 by a pixel on each side compared with what GetCharABCWidths
929 char_widths
.abcA
-= 1;
930 char_widths
.abcC
-= 1;
931 char_widths
.abcB
+= 2;
934 pcm
->width
= char_widths
.abcA
+ char_widths
.abcB
+ char_widths
.abcC
;
936 /* As far as I can tell, this is the best way to determine what
937 ExtTextOut will do with the broken font. */
938 if (pcm
->width
!= real_width
)
939 pcm
->width
= (pcm
->width
+ real_width
) / 2;
941 pcm
->lbearing
= char_widths
.abcA
;
942 pcm
->rbearing
= char_widths
.abcA
+ char_widths
.abcB
;
943 pcm
->ascent
= FONT_BASE (font
);
944 pcm
->descent
= FONT_DESCENT (font
);
950 /* Either font is not a True-type font, or GetCharABCWidthsW
951 failed (it is not supported on Windows 9x for instance), so we
952 can't determine the full info we would like. All is not lost
953 though - we can call GetTextExtentPoint32 to get rbearing and
954 deduce width based on the font's per-string overhang. lbearing
955 is assumed to be zero. */
957 /* TODO: Some Thai characters (and other composites if Windows
958 supports them) do have lbearing, and report their total width
959 as zero. Need some way of handling them when
960 GetCharABCWidthsW fails. */
963 if (font_type
== UNICODE_FONT
)
964 retval
= GetTextExtentPoint32W (hdc
, char2b
, 1, &sz
);
966 retval
= GetTextExtentPoint32A (hdc
, (char*)char2b
, 1, &sz
);
970 pcm
->width
= sz
.cx
- font
->tm
.tmOverhang
;
971 pcm
->rbearing
= sz
.cx
;
973 pcm
->ascent
= FONT_BASE (font
);
974 pcm
->descent
= FONT_DESCENT (font
);
979 if (pcm
->width
== 0 && (pcm
->rbearing
- pcm
->lbearing
) == 0)
984 SelectObject (hdc
, old_font
);
985 ReleaseDC (NULL
, hdc
);
992 w32_per_char_metric (font
, char2b
, font_type
)
995 int /* enum w32_char_font_type */ font_type
;
997 /* The result metric information. */
1001 xassert (font
&& char2b
);
1003 /* TODO: This function is currently called through the RIF, and in
1004 some cases font_type is UNKNOWN_FONT. We currently allow the
1005 cached metrics to be used, which seems to work, but in cases
1006 where font_type is UNKNOWN_FONT, we probably haven't encoded
1007 char2b appropriately. All callers need checking to see what they
1008 are passing. This is most likely to affect variable width fonts
1009 outside the Latin-1 range, particularly in languages like Thai
1010 that rely on rbearing and lbearing to provide composition. I
1011 don't think that is working currently anyway, but we don't seem
1012 to have anyone testing such languages on Windows. */
1014 /* Handle the common cases quickly. */
1015 if (!font
->bdf
&& font
->per_char
== NULL
)
1016 /* TODO: determine whether char2b exists in font? */
1017 return &font
->max_bounds
;
1018 else if (!font
->bdf
&& *char2b
< 128)
1019 return &font
->per_char
[*char2b
];
1021 xassert (font_type
!= UNKNOWN_FONT
);
1023 pcm
= &font
->scratch
;
1025 if (font_type
== BDF_1D_FONT
)
1026 retval
= w32_bdf_per_char_metric (font
, char2b
, 1, pcm
);
1027 else if (font_type
== BDF_2D_FONT
)
1028 retval
= w32_bdf_per_char_metric (font
, char2b
, 2, pcm
);
1030 retval
= w32_native_per_char_metric (font
, char2b
, font_type
, pcm
);
1039 w32_cache_char_metrics (font
)
1042 wchar_t char2b
= L
'x';
1044 /* Cache char metrics for the common cases. */
1047 /* TODO: determine whether font is fixed-pitch. */
1048 if (!w32_bdf_per_char_metric (font
, &char2b
, 1, &font
->max_bounds
))
1050 /* Use the font width and height as max bounds, as not all BDF
1051 fonts contain the letter 'x'. */
1052 font
->max_bounds
.width
= FONT_MAX_WIDTH (font
);
1053 font
->max_bounds
.lbearing
= -font
->bdf
->llx
;
1054 font
->max_bounds
.rbearing
= FONT_MAX_WIDTH (font
) - font
->bdf
->urx
;
1055 font
->max_bounds
.ascent
= FONT_BASE (font
);
1056 font
->max_bounds
.descent
= FONT_DESCENT (font
);
1061 if (((font
->tm
.tmPitchAndFamily
& TMPF_FIXED_PITCH
) != 0)
1062 /* Some fonts (eg DBCS fonts) are marked as fixed width even
1063 though they contain characters of different widths. */
1064 || (font
->tm
.tmMaxCharWidth
!= font
->tm
.tmAveCharWidth
))
1066 /* Font is not fixed pitch, so cache per_char info for the
1067 ASCII characters. It would be much more work, and probably
1068 not worth it, to cache other chars, since we may change
1069 between using Unicode and ANSI text drawing functions at
1073 font
->per_char
= xmalloc (128 * sizeof(XCharStruct
));
1074 for (i
= 0; i
< 128; i
++)
1077 w32_native_per_char_metric (font
, &char2b
, ANSI_FONT
,
1078 &font
->per_char
[i
]);
1082 w32_native_per_char_metric (font
, &char2b
, ANSI_FONT
,
1088 /* Determine if a font is double byte. */
1089 int w32_font_is_double_byte (XFontStruct
*font
)
1091 return font
->double_byte_p
;
1096 w32_use_unicode_for_codepage (codepage
)
1099 /* If the current codepage is supported, use Unicode for output. */
1100 return (w32_enable_unicode_output
1101 && codepage
!= CP_8BIT
1102 && (codepage
== CP_UNICODE
|| IsValidCodePage (codepage
)));
1105 /* Encode CHAR2B using encoding information from FONT_INFO. CHAR2B is
1106 the two-byte form of C. Encoding is returned in *CHAR2B. */
1108 static int /* enum w32_char_font_type */
1109 w32_encode_char (c
, char2b
, font_info
, two_byte_p
)
1112 struct font_info
*font_info
;
1115 int charset
= CHAR_CHARSET (c
);
1118 int internal_two_byte_p
= 0;
1120 XFontStruct
*font
= font_info
->font
;
1122 internal_two_byte_p
= w32_font_is_double_byte (font
);
1124 /* FONT_INFO may define a scheme by which to encode byte1 and byte2.
1125 This may be either a program in a special encoder language or a
1127 if (font_info
->font_encoder
)
1129 /* It's a program. */
1130 struct ccl_program
*ccl
= font_info
->font_encoder
;
1132 if (CHARSET_DIMENSION (charset
) == 1)
1134 ccl
->reg
[0] = charset
;
1135 ccl
->reg
[1] = XCHAR2B_BYTE2 (char2b
);
1140 ccl
->reg
[0] = charset
;
1141 ccl
->reg
[1] = XCHAR2B_BYTE1 (char2b
);
1142 ccl
->reg
[2] = XCHAR2B_BYTE2 (char2b
);
1145 ccl_driver (ccl
, NULL
, NULL
, 0, 0, NULL
);
1147 /* We assume that MSBs are appropriately set/reset by CCL
1149 if (!internal_two_byte_p
) /* 1-byte font */
1150 STORE_XCHAR2B (char2b
, 0, ccl
->reg
[1]);
1152 STORE_XCHAR2B (char2b
, ccl
->reg
[1], ccl
->reg
[2]);
1154 else if (font_info
->encoding
[charset
])
1156 /* Fixed encoding scheme. See fontset.h for the meaning of the
1157 encoding numbers. */
1158 int enc
= font_info
->encoding
[charset
];
1160 if ((enc
== 1 || enc
== 2)
1161 && CHARSET_DIMENSION (charset
) == 2)
1162 STORE_XCHAR2B (char2b
, XCHAR2B_BYTE1 (char2b
) | 0x80, XCHAR2B_BYTE2 (char2b
));
1164 if (enc
== 1 || enc
== 3
1165 || (enc
== 4 && CHARSET_DIMENSION (charset
) == 1))
1166 STORE_XCHAR2B (char2b
, XCHAR2B_BYTE1 (char2b
), XCHAR2B_BYTE2 (char2b
) | 0x80);
1171 ENCODE_SJIS (XCHAR2B_BYTE1 (char2b
), XCHAR2B_BYTE2 (char2b
),
1173 STORE_XCHAR2B (char2b
, sjis1
, sjis2
);
1176 codepage
= font_info
->codepage
;
1178 /* If charset is not ASCII or Latin-1, may need to move it into
1180 if ( font
&& !font
->bdf
&& w32_use_unicode_for_codepage (codepage
)
1181 && charset
!= CHARSET_ASCII
&& charset
!= charset_latin_iso8859_1
1182 && charset
!= CHARSET_8_BIT_CONTROL
&& charset
!= CHARSET_8_BIT_GRAPHIC
)
1185 temp
[0] = XCHAR2B_BYTE1 (char2b
);
1186 temp
[1] = XCHAR2B_BYTE2 (char2b
);
1188 if (codepage
!= CP_UNICODE
)
1191 MultiByteToWideChar (codepage
, 0, temp
, 2, char2b
, 1);
1193 MultiByteToWideChar (codepage
, 0, temp
+1, 1, char2b
, 1);
1196 internal_two_byte_p
= 1;
1200 *two_byte_p
= internal_two_byte_p
;
1203 return UNKNOWN_FONT
;
1204 else if (font
->bdf
&& CHARSET_DIMENSION (charset
) == 1)
1209 return UNICODE_FONT
;
1216 /***********************************************************************
1218 ***********************************************************************/
1221 /* Encapsulate the different ways of displaying text under W32. */
1224 w32_text_out (s
, x
, y
,chars
,nchars
)
1225 struct glyph_string
* s
;
1230 int charset_dim
= w32_font_is_double_byte (s
->font
) ? 2 : 1;
1232 w32_BDF_TextOut (s
->font
->bdf
, s
->hdc
,
1233 x
, y
, (char *) chars
, charset_dim
,
1234 nchars
* charset_dim
, 0);
1235 else if (s
->first_glyph
->font_type
== UNICODE_FONT
)
1236 ExtTextOutW (s
->hdc
, x
, y
, 0, NULL
, chars
, nchars
, NULL
);
1238 ExtTextOutA (s
->hdc
, x
, y
, 0, NULL
, (char *) chars
,
1239 nchars
* charset_dim
, NULL
);
1243 static void x_set_glyph_string_clipping
P_ ((struct glyph_string
*));
1244 static void x_set_glyph_string_gc
P_ ((struct glyph_string
*));
1245 static void x_draw_glyph_string_background
P_ ((struct glyph_string
*,
1247 static void x_draw_glyph_string_foreground
P_ ((struct glyph_string
*));
1248 static void x_draw_composite_glyph_string_foreground
P_ ((struct glyph_string
*));
1249 static void x_draw_glyph_string_box
P_ ((struct glyph_string
*));
1250 static void x_draw_glyph_string
P_ ((struct glyph_string
*));
1251 static void x_set_cursor_gc
P_ ((struct glyph_string
*));
1252 static void x_set_mode_line_face_gc
P_ ((struct glyph_string
*));
1253 static void x_set_mouse_face_gc
P_ ((struct glyph_string
*));
1254 static int w32_alloc_lighter_color (struct frame
*, COLORREF
*, double, int);
1255 static void w32_setup_relief_color
P_ ((struct frame
*, struct relief
*,
1256 double, int, COLORREF
));
1257 static void x_setup_relief_colors
P_ ((struct glyph_string
*));
1258 static void x_draw_image_glyph_string
P_ ((struct glyph_string
*));
1259 static void x_draw_image_relief
P_ ((struct glyph_string
*));
1260 static void x_draw_image_foreground
P_ ((struct glyph_string
*));
1261 static void w32_draw_image_foreground_1
P_ ((struct glyph_string
*, HBITMAP
));
1262 static void x_clear_glyph_string_rect
P_ ((struct glyph_string
*, int,
1264 static void w32_draw_relief_rect
P_ ((struct frame
*, int, int, int, int,
1265 int, int, int, int, int, int,
1267 static void w32_draw_box_rect
P_ ((struct glyph_string
*, int, int, int, int,
1268 int, int, int, RECT
*));
1271 static void x_check_font
P_ ((struct frame
*, XFontStruct
*));
1275 /* Set S->gc to a suitable GC for drawing glyph string S in cursor
1280 struct glyph_string
*s
;
1282 if (s
->font
== FRAME_FONT (s
->f
)
1283 && s
->face
->background
== FRAME_BACKGROUND_PIXEL (s
->f
)
1284 && s
->face
->foreground
== FRAME_FOREGROUND_PIXEL (s
->f
)
1286 s
->gc
= s
->f
->output_data
.w32
->cursor_gc
;
1289 /* Cursor on non-default face: must merge. */
1293 xgcv
.background
= s
->f
->output_data
.w32
->cursor_pixel
;
1294 xgcv
.foreground
= s
->face
->background
;
1296 /* If the glyph would be invisible, try a different foreground. */
1297 if (xgcv
.foreground
== xgcv
.background
)
1298 xgcv
.foreground
= s
->face
->foreground
;
1299 if (xgcv
.foreground
== xgcv
.background
)
1300 xgcv
.foreground
= s
->f
->output_data
.w32
->cursor_foreground_pixel
;
1301 if (xgcv
.foreground
== xgcv
.background
)
1302 xgcv
.foreground
= s
->face
->foreground
;
1304 /* Make sure the cursor is distinct from text in this face. */
1305 if (xgcv
.background
== s
->face
->background
1306 && xgcv
.foreground
== s
->face
->foreground
)
1308 xgcv
.background
= s
->face
->foreground
;
1309 xgcv
.foreground
= s
->face
->background
;
1312 IF_DEBUG (x_check_font (s
->f
, s
->font
));
1313 xgcv
.font
= s
->font
;
1314 mask
= GCForeground
| GCBackground
| GCFont
;
1316 if (FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
)
1317 XChangeGC (NULL
, FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
,
1320 FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
1321 = XCreateGC (NULL
, s
->window
, mask
, &xgcv
);
1323 s
->gc
= FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
;
1328 /* Set up S->gc of glyph string S for drawing text in mouse face. */
1331 x_set_mouse_face_gc (s
)
1332 struct glyph_string
*s
;
1337 /* What face has to be used last for the mouse face? */
1338 face_id
= FRAME_W32_DISPLAY_INFO (s
->f
)->mouse_face_face_id
;
1339 face
= FACE_FROM_ID (s
->f
, face_id
);
1341 face
= FACE_FROM_ID (s
->f
, MOUSE_FACE_ID
);
1343 if (s
->first_glyph
->type
== CHAR_GLYPH
)
1344 face_id
= FACE_FOR_CHAR (s
->f
, face
, s
->first_glyph
->u
.ch
);
1346 face_id
= FACE_FOR_CHAR (s
->f
, face
, 0);
1347 s
->face
= FACE_FROM_ID (s
->f
, face_id
);
1348 PREPARE_FACE_FOR_DISPLAY (s
->f
, s
->face
);
1350 /* If font in this face is same as S->font, use it. */
1351 if (s
->font
== s
->face
->font
)
1352 s
->gc
= s
->face
->gc
;
1355 /* Otherwise construct scratch_cursor_gc with values from FACE
1360 xgcv
.background
= s
->face
->background
;
1361 xgcv
.foreground
= s
->face
->foreground
;
1362 IF_DEBUG (x_check_font (s
->f
, s
->font
));
1363 xgcv
.font
= s
->font
;
1364 mask
= GCForeground
| GCBackground
| GCFont
;
1366 if (FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
)
1367 XChangeGC (NULL
, FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
,
1370 FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
1371 = XCreateGC (NULL
, s
->window
, mask
, &xgcv
);
1373 s
->gc
= FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
;
1376 xassert (s
->gc
!= 0);
1380 /* Set S->gc of glyph string S to a GC suitable for drawing a mode line.
1381 Faces to use in the mode line have already been computed when the
1382 matrix was built, so there isn't much to do, here. */
1385 x_set_mode_line_face_gc (s
)
1386 struct glyph_string
*s
;
1388 s
->gc
= s
->face
->gc
;
1392 /* Set S->gc of glyph string S for drawing that glyph string. Set
1393 S->stippled_p to a non-zero value if the face of S has a stipple
1397 x_set_glyph_string_gc (s
)
1398 struct glyph_string
*s
;
1400 PREPARE_FACE_FOR_DISPLAY (s
->f
, s
->face
);
1402 if (s
->hl
== DRAW_NORMAL_TEXT
)
1404 s
->gc
= s
->face
->gc
;
1405 s
->stippled_p
= s
->face
->stipple
!= 0;
1407 else if (s
->hl
== DRAW_INVERSE_VIDEO
)
1409 x_set_mode_line_face_gc (s
);
1410 s
->stippled_p
= s
->face
->stipple
!= 0;
1412 else if (s
->hl
== DRAW_CURSOR
)
1414 x_set_cursor_gc (s
);
1417 else if (s
->hl
== DRAW_MOUSE_FACE
)
1419 x_set_mouse_face_gc (s
);
1420 s
->stippled_p
= s
->face
->stipple
!= 0;
1422 else if (s
->hl
== DRAW_IMAGE_RAISED
1423 || s
->hl
== DRAW_IMAGE_SUNKEN
)
1425 s
->gc
= s
->face
->gc
;
1426 s
->stippled_p
= s
->face
->stipple
!= 0;
1430 s
->gc
= s
->face
->gc
;
1431 s
->stippled_p
= s
->face
->stipple
!= 0;
1434 /* GC must have been set. */
1435 xassert (s
->gc
!= 0);
1439 /* Set clipping for output of glyph string S. S may be part of a mode
1440 line or menu if we don't have X toolkit support. */
1443 x_set_glyph_string_clipping (s
)
1444 struct glyph_string
*s
;
1447 get_glyph_string_clip_rect (s
, &r
);
1448 w32_set_clip_rectangle (s
->hdc
, &r
);
1453 Compute left and right overhang of glyph string S. If S is a glyph
1454 string for a composition, assume overhangs don't exist. */
1457 w32_compute_glyph_string_overhangs (s
)
1458 struct glyph_string
*s
;
1460 /* TODO: Windows does not appear to have a method for
1461 getting this info without getting the ABC widths for each
1462 individual character and working it out manually. */
1467 w32_get_glyph_overhangs (glyph
, f
, left
, right
)
1468 struct glyph
*glyph
;
1472 HDC hdc
= get_frame_dc (f
);
1473 /* Convert to unicode! */
1474 x_get_glyph_overhangs (glyph
, f
, left
, right
);
1475 release_frame_dc (f
, hdc
);
1479 /* Fill rectangle X, Y, W, H with background color of glyph string S. */
1482 x_clear_glyph_string_rect (s
, x
, y
, w
, h
)
1483 struct glyph_string
*s
;
1491 /* Take clipping into account. */
1492 if (s
->gc
->clip_mask
== Rect
)
1494 real_x
= max (real_x
, s
->gc
->clip_rectangle
.left
);
1495 real_y
= max (real_y
, s
->gc
->clip_rectangle
.top
);
1496 real_w
= min (real_w
, s
->gc
->clip_rectangle
.right
1497 - s
->gc
->clip_rectangle
.left
);
1498 real_h
= min (real_h
, s
->gc
->clip_rectangle
.bottom
1499 - s
->gc
->clip_rectangle
.top
);
1502 w32_fill_area (s
->f
, s
->hdc
, s
->gc
->background
, real_x
, real_y
,
1507 /* Draw the background of glyph_string S. If S->background_filled_p
1508 is non-zero don't draw it. FORCE_P non-zero means draw the
1509 background even if it wouldn't be drawn normally. This is used
1510 when a string preceding S draws into the background of S, or S
1511 contains the first component of a composition. */
1514 x_draw_glyph_string_background (s
, force_p
)
1515 struct glyph_string
*s
;
1518 /* Nothing to do if background has already been drawn or if it
1519 shouldn't be drawn in the first place. */
1520 if (!s
->background_filled_p
)
1522 int box_line_width
= max (s
->face
->box_line_width
, 0);
1524 #if 0 /* TODO: stipple */
1527 /* Fill background with a stipple pattern. */
1528 XSetFillStyle (s
->display
, s
->gc
, FillOpaqueStippled
);
1529 XFillRectangle (s
->display
, s
->window
, s
->gc
, s
->x
,
1530 s
->y
+ box_line_width
,
1531 s
->background_width
,
1532 s
->height
- 2 * box_line_width
);
1533 XSetFillStyle (s
->display
, s
->gc
, FillSolid
);
1534 s
->background_filled_p
= 1;
1538 if (FONT_HEIGHT (s
->font
) < s
->height
- 2 * box_line_width
1539 || s
->font_not_found_p
1540 || s
->extends_to_end_of_line_p
1544 x_clear_glyph_string_rect (s
, s
->x
, s
->y
+ box_line_width
,
1545 s
->background_width
,
1546 s
->height
- 2 * box_line_width
);
1547 s
->background_filled_p
= 1;
1553 /* Draw the foreground of glyph string S. */
1556 x_draw_glyph_string_foreground (s
)
1557 struct glyph_string
*s
;
1562 /* If first glyph of S has a left box line, start drawing the text
1563 of S to the right of that box line. */
1564 if (s
->face
->box
!= FACE_NO_BOX
1565 && s
->first_glyph
->left_box_line_p
)
1566 x
= s
->x
+ abs (s
->face
->box_line_width
);
1570 if (s
->for_overlaps
|| (s
->background_filled_p
&& s
->hl
!= DRAW_CURSOR
))
1571 SetBkMode (s
->hdc
, TRANSPARENT
);
1573 SetBkMode (s
->hdc
, OPAQUE
);
1575 SetTextColor (s
->hdc
, s
->gc
->foreground
);
1576 SetBkColor (s
->hdc
, s
->gc
->background
);
1577 SetTextAlign (s
->hdc
, TA_BASELINE
| TA_LEFT
);
1579 if (s
->font
&& s
->font
->hfont
)
1580 old_font
= SelectObject (s
->hdc
, s
->font
->hfont
);
1582 /* Draw characters of S as rectangles if S's font could not be
1584 if (s
->font_not_found_p
)
1586 for (i
= 0; i
< s
->nchars
; ++i
)
1588 struct glyph
*g
= s
->first_glyph
+ i
;
1590 w32_draw_rectangle (s
->hdc
, s
->gc
, x
, s
->y
, g
->pixel_width
- 1,
1592 x
+= g
->pixel_width
;
1597 char *char1b
= (char *) s
->char2b
;
1598 int boff
= s
->font_info
->baseline_offset
;
1600 if (s
->font_info
->vertical_centering
)
1601 boff
= VCENTER_BASELINE_OFFSET (s
->font
, s
->f
) - boff
;
1603 /* If we can use 8-bit functions, condense S->char2b. */
1605 for (i
= 0; i
< s
->nchars
; ++i
)
1606 char1b
[i
] = XCHAR2B_BYTE2 (&s
->char2b
[i
]);
1608 /* Draw text with TextOut and friends. */
1609 w32_text_out (s
, x
, s
->ybase
- boff
, s
->char2b
, s
->nchars
);
1611 if (s
->face
->overstrike
)
1613 /* For overstriking (to simulate bold-face), draw the
1614 characters again shifted to the right by one pixel. */
1615 w32_text_out (s
, x
+ 1, s
->ybase
- boff
, s
->char2b
, s
->nchars
);
1618 if (s
->font
&& s
->font
->hfont
)
1619 SelectObject (s
->hdc
, old_font
);
1622 /* Draw the foreground of composite glyph string S. */
1625 x_draw_composite_glyph_string_foreground (s
)
1626 struct glyph_string
*s
;
1631 /* If first glyph of S has a left box line, start drawing the text
1632 of S to the right of that box line. */
1633 if (s
->face
->box
!= FACE_NO_BOX
1634 && s
->first_glyph
->left_box_line_p
)
1635 x
= s
->x
+ abs (s
->face
->box_line_width
);
1639 /* S is a glyph string for a composition. S->gidx is the index of
1640 the first character drawn for glyphs of this composition.
1641 S->gidx == 0 means we are drawing the very first character of
1642 this composition. */
1644 SetTextColor (s
->hdc
, s
->gc
->foreground
);
1645 SetBkColor (s
->hdc
, s
->gc
->background
);
1646 SetBkMode (s
->hdc
, TRANSPARENT
);
1647 SetTextAlign (s
->hdc
, TA_BASELINE
| TA_LEFT
);
1649 if (s
->font
&& s
->font
->hfont
)
1650 old_font
= SelectObject (s
->hdc
, s
->font
->hfont
);
1652 /* Draw a rectangle for the composition if the font for the very
1653 first character of the composition could not be loaded. */
1654 if (s
->font_not_found_p
)
1657 w32_draw_rectangle (s
->hdc
, s
->gc
, x
, s
->y
, s
->width
- 1,
1662 for (i
= 0; i
< s
->nchars
; i
++, ++s
->gidx
)
1664 w32_text_out (s
, x
+ s
->cmp
->offsets
[s
->gidx
* 2],
1665 s
->ybase
- s
->cmp
->offsets
[s
->gidx
* 2 + 1],
1667 if (s
->face
->overstrike
)
1668 w32_text_out (s
, x
+ s
->cmp
->offsets
[s
->gidx
* 2] + 1,
1669 s
->ybase
- s
->cmp
->offsets
[s
->gidx
* 2 + 1],
1674 if (s
->font
&& s
->font
->hfont
)
1675 SelectObject (s
->hdc
, old_font
);
1679 /* Brightness beyond which a color won't have its highlight brightness
1682 Nominally, highlight colors for `3d' faces are calculated by
1683 brightening an object's color by a constant scale factor, but this
1684 doesn't yield good results for dark colors, so for colors who's
1685 brightness is less than this value (on a scale of 0-255) have to
1686 use an additional additive factor.
1688 The value here is set so that the default menu-bar/mode-line color
1689 (grey75) will not have its highlights changed at all. */
1690 #define HIGHLIGHT_COLOR_DARK_BOOST_LIMIT 187
1693 /* Allocate a color which is lighter or darker than *COLOR by FACTOR
1694 or DELTA. Try a color with RGB values multiplied by FACTOR first.
1695 If this produces the same color as COLOR, try a color where all RGB
1696 values have DELTA added. Return the allocated color in *COLOR.
1697 DISPLAY is the X display, CMAP is the colormap to operate on.
1698 Value is non-zero if successful. */
1701 w32_alloc_lighter_color (f
, color
, factor
, delta
)
1710 /* On Windows, RGB values are 0-255, not 0-65535, so scale delta. */
1713 /* Change RGB values by specified FACTOR. Avoid overflow! */
1714 xassert (factor
>= 0);
1715 new = PALETTERGB (min (0xff, factor
* GetRValue (*color
)),
1716 min (0xff, factor
* GetGValue (*color
)),
1717 min (0xff, factor
* GetBValue (*color
)));
1719 /* Calculate brightness of COLOR. */
1720 bright
= (2 * GetRValue (*color
) + 3 * GetGValue (*color
)
1721 + GetBValue (*color
)) / 6;
1723 /* We only boost colors that are darker than
1724 HIGHLIGHT_COLOR_DARK_BOOST_LIMIT. */
1725 if (bright
< HIGHLIGHT_COLOR_DARK_BOOST_LIMIT
)
1726 /* Make an additive adjustment to NEW, because it's dark enough so
1727 that scaling by FACTOR alone isn't enough. */
1729 /* How far below the limit this color is (0 - 1, 1 being darker). */
1730 double dimness
= 1 - (double)bright
/ HIGHLIGHT_COLOR_DARK_BOOST_LIMIT
;
1731 /* The additive adjustment. */
1732 int min_delta
= delta
* dimness
* factor
/ 2;
1735 new = PALETTERGB (max (0, min (0xff, min_delta
- GetRValue (*color
))),
1736 max (0, min (0xff, min_delta
- GetGValue (*color
))),
1737 max (0, min (0xff, min_delta
- GetBValue (*color
))));
1739 new = PALETTERGB (max (0, min (0xff, min_delta
+ GetRValue (*color
))),
1740 max (0, min (0xff, min_delta
+ GetGValue (*color
))),
1741 max (0, min (0xff, min_delta
+ GetBValue (*color
))));
1745 new = PALETTERGB (max (0, min (0xff, delta
+ GetRValue (*color
))),
1746 max (0, min (0xff, delta
+ GetGValue (*color
))),
1747 max (0, min (0xff, delta
+ GetBValue (*color
))));
1749 /* TODO: Map to palette and retry with delta if same? */
1750 /* TODO: Free colors (if using palette)? */
1761 /* Set up the foreground color for drawing relief lines of glyph
1762 string S. RELIEF is a pointer to a struct relief containing the GC
1763 with which lines will be drawn. Use a color that is FACTOR or
1764 DELTA lighter or darker than the relief's background which is found
1765 in S->f->output_data.x->relief_background. If such a color cannot
1766 be allocated, use DEFAULT_PIXEL, instead. */
1769 w32_setup_relief_color (f
, relief
, factor
, delta
, default_pixel
)
1771 struct relief
*relief
;
1774 COLORREF default_pixel
;
1777 struct w32_output
*di
= f
->output_data
.w32
;
1778 unsigned long mask
= GCForeground
;
1780 COLORREF background
= di
->relief_background
;
1781 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
1783 /* TODO: Free colors (if using palette)? */
1785 /* Allocate new color. */
1786 xgcv
.foreground
= default_pixel
;
1788 if (w32_alloc_lighter_color (f
, &pixel
, factor
, delta
))
1790 relief
->allocated_p
= 1;
1791 xgcv
.foreground
= relief
->pixel
= pixel
;
1794 if (relief
->gc
== 0)
1796 #if 0 /* TODO: stipple */
1797 xgcv
.stipple
= dpyinfo
->gray
;
1800 relief
->gc
= XCreateGC (NULL
, FRAME_W32_WINDOW (f
), mask
, &xgcv
);
1803 XChangeGC (NULL
, relief
->gc
, mask
, &xgcv
);
1807 /* Set up colors for the relief lines around glyph string S. */
1810 x_setup_relief_colors (s
)
1811 struct glyph_string
*s
;
1813 struct w32_output
*di
= s
->f
->output_data
.w32
;
1816 if (s
->face
->use_box_color_for_shadows_p
)
1817 color
= s
->face
->box_color
;
1818 else if (s
->first_glyph
->type
== IMAGE_GLYPH
1820 && !IMAGE_BACKGROUND_TRANSPARENT (s
->img
, s
->f
, 0))
1821 color
= IMAGE_BACKGROUND (s
->img
, s
->f
, 0);
1823 color
= s
->gc
->background
;
1825 if (di
->white_relief
.gc
== 0
1826 || color
!= di
->relief_background
)
1828 di
->relief_background
= color
;
1829 w32_setup_relief_color (s
->f
, &di
->white_relief
, 1.2, 0x8000,
1830 WHITE_PIX_DEFAULT (s
->f
));
1831 w32_setup_relief_color (s
->f
, &di
->black_relief
, 0.6, 0x4000,
1832 BLACK_PIX_DEFAULT (s
->f
));
1837 /* Draw a relief on frame F inside the rectangle given by LEFT_X,
1838 TOP_Y, RIGHT_X, and BOTTOM_Y. WIDTH is the thickness of the relief
1839 to draw, it must be >= 0. RAISED_P non-zero means draw a raised
1840 relief. LEFT_P non-zero means draw a relief on the left side of
1841 the rectangle. RIGHT_P non-zero means draw a relief on the right
1842 side of the rectangle. CLIP_RECT is the clipping rectangle to use
1846 w32_draw_relief_rect (f
, left_x
, top_y
, right_x
, bottom_y
, width
,
1847 raised_p
, top_p
, bot_p
, left_p
, right_p
, clip_rect
)
1849 int left_x
, top_y
, right_x
, bottom_y
, width
;
1850 int top_p
, bot_p
, left_p
, right_p
, raised_p
;
1855 HDC hdc
= get_frame_dc (f
);
1858 gc
.foreground
= f
->output_data
.w32
->white_relief
.gc
->foreground
;
1860 gc
.foreground
= f
->output_data
.w32
->black_relief
.gc
->foreground
;
1862 w32_set_clip_rectangle (hdc
, clip_rect
);
1866 for (i
= 0; i
< width
; ++i
)
1867 w32_fill_area (f
, hdc
, gc
.foreground
,
1868 left_x
+ i
* left_p
, top_y
+ i
,
1869 right_x
- left_x
- i
* (left_p
+ right_p
) + 1, 1);
1873 for (i
= 0; i
< width
; ++i
)
1874 w32_fill_area (f
, hdc
, gc
.foreground
,
1875 left_x
+ i
, top_y
+ i
, 1,
1876 bottom_y
- top_y
- 2 * i
+ 1);
1879 gc
.foreground
= f
->output_data
.w32
->black_relief
.gc
->foreground
;
1881 gc
.foreground
= f
->output_data
.w32
->white_relief
.gc
->foreground
;
1885 for (i
= 0; i
< width
; ++i
)
1886 w32_fill_area (f
, hdc
, gc
.foreground
,
1887 left_x
+ i
* left_p
, bottom_y
- i
,
1888 right_x
- left_x
- i
* (left_p
+ right_p
) + 1, 1);
1892 for (i
= 0; i
< width
; ++i
)
1893 w32_fill_area (f
, hdc
, gc
.foreground
,
1894 right_x
- i
, top_y
+ i
+ 1, 1,
1895 bottom_y
- top_y
- 2 * i
- 1);
1897 w32_set_clip_rectangle (hdc
, NULL
);
1899 release_frame_dc (f
, hdc
);
1903 /* Draw a box on frame F inside the rectangle given by LEFT_X, TOP_Y,
1904 RIGHT_X, and BOTTOM_Y. WIDTH is the thickness of the lines to
1905 draw, it must be >= 0. LEFT_P non-zero means draw a line on the
1906 left side of the rectangle. RIGHT_P non-zero means draw a line
1907 on the right side of the rectangle. CLIP_RECT is the clipping
1908 rectangle to use when drawing. */
1911 w32_draw_box_rect (s
, left_x
, top_y
, right_x
, bottom_y
, width
,
1912 left_p
, right_p
, clip_rect
)
1913 struct glyph_string
*s
;
1914 int left_x
, top_y
, right_x
, bottom_y
, width
, left_p
, right_p
;
1917 w32_set_clip_rectangle (s
->hdc
, clip_rect
);
1920 w32_fill_area (s
->f
, s
->hdc
, s
->face
->box_color
,
1921 left_x
, top_y
, right_x
- left_x
+ 1, width
);
1926 w32_fill_area (s
->f
, s
->hdc
, s
->face
->box_color
,
1927 left_x
, top_y
, width
, bottom_y
- top_y
+ 1);
1931 w32_fill_area (s
->f
, s
->hdc
, s
->face
->box_color
,
1932 left_x
, bottom_y
- width
+ 1, right_x
- left_x
+ 1, width
);
1937 w32_fill_area (s
->f
, s
->hdc
, s
->face
->box_color
,
1938 right_x
- width
+ 1, top_y
, width
, bottom_y
- top_y
+ 1);
1941 w32_set_clip_rectangle (s
->hdc
, NULL
);
1945 /* Draw a box around glyph string S. */
1948 x_draw_glyph_string_box (s
)
1949 struct glyph_string
*s
;
1951 int width
, left_x
, right_x
, top_y
, bottom_y
, last_x
, raised_p
;
1952 int left_p
, right_p
;
1953 struct glyph
*last_glyph
;
1956 last_x
= ((s
->row
->full_width_p
&& !s
->w
->pseudo_window_p
)
1957 ? WINDOW_RIGHT_EDGE_X (s
->w
)
1958 : window_box_right (s
->w
, s
->area
));
1960 /* The glyph that may have a right box line. */
1961 last_glyph
= (s
->cmp
|| s
->img
1963 : s
->first_glyph
+ s
->nchars
- 1);
1965 width
= abs (s
->face
->box_line_width
);
1966 raised_p
= s
->face
->box
== FACE_RAISED_BOX
;
1968 right_x
= ((s
->row
->full_width_p
&& s
->extends_to_end_of_line_p
1970 : min (last_x
, s
->x
+ s
->background_width
) - 1));
1972 bottom_y
= top_y
+ s
->height
- 1;
1974 left_p
= (s
->first_glyph
->left_box_line_p
1975 || (s
->hl
== DRAW_MOUSE_FACE
1977 || s
->prev
->hl
!= s
->hl
)));
1978 right_p
= (last_glyph
->right_box_line_p
1979 || (s
->hl
== DRAW_MOUSE_FACE
1981 || s
->next
->hl
!= s
->hl
)));
1983 get_glyph_string_clip_rect (s
, &clip_rect
);
1985 if (s
->face
->box
== FACE_SIMPLE_BOX
)
1986 w32_draw_box_rect (s
, left_x
, top_y
, right_x
, bottom_y
, width
,
1987 left_p
, right_p
, &clip_rect
);
1990 x_setup_relief_colors (s
);
1991 w32_draw_relief_rect (s
->f
, left_x
, top_y
, right_x
, bottom_y
,
1992 width
, raised_p
, 1, 1, left_p
, right_p
, &clip_rect
);
1997 /* Draw foreground of image glyph string S. */
2000 x_draw_image_foreground (s
)
2001 struct glyph_string
*s
;
2004 int y
= s
->ybase
- image_ascent (s
->img
, s
->face
, &s
->slice
);
2006 /* If first glyph of S has a left box line, start drawing it to the
2007 right of that line. */
2008 if (s
->face
->box
!= FACE_NO_BOX
2009 && s
->first_glyph
->left_box_line_p
2011 x
+= abs (s
->face
->box_line_width
);
2013 /* If there is a margin around the image, adjust x- and y-position
2015 if (s
->slice
.x
== 0)
2016 x
+= s
->img
->hmargin
;
2017 if (s
->slice
.y
== 0)
2018 y
+= s
->img
->vmargin
;
2024 HDC compat_hdc
= CreateCompatibleDC (s
->hdc
);
2025 HBRUSH fg_brush
= CreateSolidBrush (s
->gc
->foreground
);
2026 HBRUSH orig_brush
= SelectObject (s
->hdc
, fg_brush
);
2027 HGDIOBJ orig_obj
= SelectObject (compat_hdc
, s
->img
->pixmap
);
2028 SetBkColor (compat_hdc
, RGB (255, 255, 255));
2029 SetTextColor (s
->hdc
, RGB (0, 0, 0));
2030 x_set_glyph_string_clipping (s
);
2034 HDC mask_dc
= CreateCompatibleDC (s
->hdc
);
2035 HGDIOBJ mask_orig_obj
= SelectObject (mask_dc
, s
->img
->mask
);
2037 SetTextColor (s
->hdc
, RGB (255, 255, 255));
2038 SetBkColor (s
->hdc
, RGB (0, 0, 0));
2040 BitBlt (s
->hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
2041 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCINVERT
);
2042 BitBlt (s
->hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
2043 mask_dc
, s
->slice
.x
, s
->slice
.y
, SRCAND
);
2044 BitBlt (s
->hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
2045 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCINVERT
);
2047 SelectObject (mask_dc
, mask_orig_obj
);
2052 SetTextColor (s
->hdc
, s
->gc
->foreground
);
2053 SetBkColor (s
->hdc
, s
->gc
->background
);
2055 BitBlt (s
->hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
2056 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCCOPY
);
2058 /* When the image has a mask, we can expect that at
2059 least part of a mouse highlight or a block cursor will
2060 be visible. If the image doesn't have a mask, make
2061 a block cursor visible by drawing a rectangle around
2062 the image. I believe it's looking better if we do
2063 nothing here for mouse-face. */
2064 if (s
->hl
== DRAW_CURSOR
)
2066 int r
= s
->img
->relief
;
2068 w32_draw_rectangle (s
->hdc
, s
->gc
, x
- r
, y
- r
,
2069 s
->slice
.width
+ r
*2 - 1,
2070 s
->slice
.height
+ r
*2 - 1);
2074 w32_set_clip_rectangle (s
->hdc
, NULL
);
2075 SelectObject (s
->hdc
, orig_brush
);
2076 DeleteObject (fg_brush
);
2077 SelectObject (compat_hdc
, orig_obj
);
2078 DeleteDC (compat_hdc
);
2081 w32_draw_rectangle (s
->hdc
, s
->gc
, x
, y
,
2082 s
->slice
.width
- 1, s
->slice
.height
- 1);
2084 RestoreDC (s
->hdc
,-1);
2088 /* Draw a relief around the image glyph string S. */
2091 x_draw_image_relief (s
)
2092 struct glyph_string
*s
;
2094 int x0
, y0
, x1
, y1
, thick
, raised_p
;
2097 int y
= s
->ybase
- image_ascent (s
->img
, s
->face
, &s
->slice
);
2099 /* If first glyph of S has a left box line, start drawing it to the
2100 right of that line. */
2101 if (s
->face
->box
!= FACE_NO_BOX
2102 && s
->first_glyph
->left_box_line_p
2104 x
+= abs (s
->face
->box_line_width
);
2106 /* If there is a margin around the image, adjust x- and y-position
2108 if (s
->slice
.x
== 0)
2109 x
+= s
->img
->hmargin
;
2110 if (s
->slice
.y
== 0)
2111 y
+= s
->img
->vmargin
;
2113 if (s
->hl
== DRAW_IMAGE_SUNKEN
2114 || s
->hl
== DRAW_IMAGE_RAISED
)
2116 thick
= tool_bar_button_relief
>= 0 ? tool_bar_button_relief
: DEFAULT_TOOL_BAR_BUTTON_RELIEF
;
2117 raised_p
= s
->hl
== DRAW_IMAGE_RAISED
;
2121 thick
= abs (s
->img
->relief
);
2122 raised_p
= s
->img
->relief
> 0;
2127 x1
= x
+ s
->slice
.width
+ thick
- 1;
2128 y1
= y
+ s
->slice
.height
+ thick
- 1;
2130 x_setup_relief_colors (s
);
2131 get_glyph_string_clip_rect (s
, &r
);
2132 w32_draw_relief_rect (s
->f
, x0
, y0
, x1
, y1
, thick
, raised_p
,
2134 s
->slice
.y
+ s
->slice
.height
== s
->img
->height
,
2136 s
->slice
.x
+ s
->slice
.width
== s
->img
->width
,
2141 /* Draw the foreground of image glyph string S to PIXMAP. */
2144 w32_draw_image_foreground_1 (s
, pixmap
)
2145 struct glyph_string
*s
;
2148 HDC hdc
= CreateCompatibleDC (s
->hdc
);
2149 HGDIOBJ orig_hdc_obj
= SelectObject (hdc
, pixmap
);
2151 int y
= s
->ybase
- s
->y
- image_ascent (s
->img
, s
->face
, &s
->slice
);
2153 /* If first glyph of S has a left box line, start drawing it to the
2154 right of that line. */
2155 if (s
->face
->box
!= FACE_NO_BOX
2156 && s
->first_glyph
->left_box_line_p
2158 x
+= abs (s
->face
->box_line_width
);
2160 /* If there is a margin around the image, adjust x- and y-position
2162 if (s
->slice
.x
== 0)
2163 x
+= s
->img
->hmargin
;
2164 if (s
->slice
.y
== 0)
2165 y
+= s
->img
->vmargin
;
2169 HDC compat_hdc
= CreateCompatibleDC (hdc
);
2170 HBRUSH fg_brush
= CreateSolidBrush (s
->gc
->foreground
);
2171 HBRUSH orig_brush
= SelectObject (hdc
, fg_brush
);
2172 HGDIOBJ orig_obj
= SelectObject (compat_hdc
, s
->img
->pixmap
);
2176 HDC mask_dc
= CreateCompatibleDC (hdc
);
2177 HGDIOBJ mask_orig_obj
= SelectObject (mask_dc
, s
->img
->mask
);
2179 SetTextColor (hdc
, RGB (0, 0, 0));
2180 SetBkColor (hdc
, RGB (255, 255, 255));
2181 BitBlt (hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
2182 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCINVERT
);
2183 BitBlt (hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
2184 mask_dc
, s
->slice
.x
, s
->slice
.y
, SRCAND
);
2185 BitBlt (hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
2186 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCINVERT
);
2188 SelectObject (mask_dc
, mask_orig_obj
);
2193 SetTextColor (hdc
, s
->gc
->foreground
);
2194 SetBkColor (hdc
, s
->gc
->background
);
2196 BitBlt (hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
2197 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCCOPY
);
2199 /* When the image has a mask, we can expect that at
2200 least part of a mouse highlight or a block cursor will
2201 be visible. If the image doesn't have a mask, make
2202 a block cursor visible by drawing a rectangle around
2203 the image. I believe it's looking better if we do
2204 nothing here for mouse-face. */
2205 if (s
->hl
== DRAW_CURSOR
)
2207 int r
= s
->img
->relief
;
2209 w32_draw_rectangle (hdc
, s
->gc
, x
- r
, y
- r
,
2210 s
->slice
.width
+ r
*2 - 1,
2211 s
->slice
.height
+ r
*2 - 1);
2215 SelectObject (hdc
, orig_brush
);
2216 DeleteObject (fg_brush
);
2217 SelectObject (compat_hdc
, orig_obj
);
2218 DeleteDC (compat_hdc
);
2221 w32_draw_rectangle (hdc
, s
->gc
, x
, y
,
2222 s
->slice
.width
- 1, s
->slice
.height
- 1);
2224 SelectObject (hdc
, orig_hdc_obj
);
2229 /* Draw part of the background of glyph string S. X, Y, W, and H
2230 give the rectangle to draw. */
2233 x_draw_glyph_string_bg_rect (s
, x
, y
, w
, h
)
2234 struct glyph_string
*s
;
2237 #if 0 /* TODO: stipple */
2240 /* Fill background with a stipple pattern. */
2241 XSetFillStyle (s
->display
, s
->gc
, FillOpaqueStippled
);
2242 XFillRectangle (s
->display
, s
->window
, s
->gc
, x
, y
, w
, h
);
2243 XSetFillStyle (s
->display
, s
->gc
, FillSolid
);
2247 x_clear_glyph_string_rect (s
, x
, y
, w
, h
);
2251 /* Draw image glyph string S.
2254 s->x +-------------------------
2257 | +-------------------------
2260 | | +-------------------
2266 x_draw_image_glyph_string (s
)
2267 struct glyph_string
*s
;
2270 int box_line_hwidth
= abs (s
->face
->box_line_width
);
2271 int box_line_vwidth
= max (s
->face
->box_line_width
, 0);
2275 height
= s
->height
- 2 * box_line_vwidth
;
2277 /* Fill background with face under the image. Do it only if row is
2278 taller than image or if image has a clip mask to reduce
2280 s
->stippled_p
= s
->face
->stipple
!= 0;
2281 if (height
> s
->slice
.height
2285 || s
->img
->pixmap
== 0
2286 || s
->width
!= s
->background_width
)
2289 if (s
->first_glyph
->left_box_line_p
2291 x
+= box_line_hwidth
;
2294 if (s
->slice
.y
== 0)
2295 y
+= box_line_vwidth
;
2297 #if 0 /* TODO: figure out if we need to do this on Windows. */
2300 /* Create a pixmap as large as the glyph string. Fill it
2301 with the background color. Copy the image to it, using
2302 its mask. Copy the temporary pixmap to the display. */
2303 Screen
*screen
= FRAME_X_SCREEN (s
->f
);
2304 int depth
= DefaultDepthOfScreen (screen
);
2306 /* Create a pixmap as large as the glyph string. */
2307 pixmap
= XCreatePixmap (s
->display
, s
->window
,
2308 s
->background_width
,
2311 /* Don't clip in the following because we're working on the
2313 XSetClipMask (s
->display
, s
->gc
, None
);
2315 /* Fill the pixmap with the background color/stipple. */
2318 /* Fill background with a stipple pattern. */
2319 XSetFillStyle (s
->display
, s
->gc
, FillOpaqueStippled
);
2320 XFillRectangle (s
->display
, pixmap
, s
->gc
,
2321 0, 0, s
->background_width
, s
->height
);
2322 XSetFillStyle (s
->display
, s
->gc
, FillSolid
);
2327 XGetGCValues (s
->display
, s
->gc
, GCForeground
| GCBackground
,
2329 XSetForeground (s
->display
, s
->gc
, xgcv
.background
);
2330 XFillRectangle (s
->display
, pixmap
, s
->gc
,
2331 0, 0, s
->background_width
, s
->height
);
2332 XSetForeground (s
->display
, s
->gc
, xgcv
.foreground
);
2337 x_draw_glyph_string_bg_rect (s
, x
, y
, s
->background_width
, height
);
2339 s
->background_filled_p
= 1;
2342 /* Draw the foreground. */
2345 w32_draw_image_foreground_1 (s
, pixmap
);
2346 x_set_glyph_string_clipping (s
);
2348 HDC compat_hdc
= CreateCompatibleDC (s
->hdc
);
2349 HBRUSH fg_brush
= CreateSolidBrush (s
->gc
->foreground
);
2350 HBRUSH orig_brush
= SelectObject (s
->hdc
, fg_brush
);
2351 HGDIOBJ orig_obj
= SelectObject (compat_hdc
, pixmap
);
2353 SetTextColor (s
->hdc
, s
->gc
->foreground
);
2354 SetBkColor (s
->hdc
, s
->gc
->background
);
2355 BitBlt (s
->hdc
, s
->x
, s
->y
, s
->background_width
, s
->height
,
2356 compat_hdc
, 0, 0, SRCCOPY
);
2358 SelectObject (s
->hdc
, orig_brush
);
2359 DeleteObject (fg_brush
);
2360 SelectObject (compat_hdc
, orig_obj
);
2361 DeleteDC (compat_hdc
);
2363 DeleteObject (pixmap
);
2367 x_draw_image_foreground (s
);
2369 /* If we must draw a relief around the image, do it. */
2371 || s
->hl
== DRAW_IMAGE_RAISED
2372 || s
->hl
== DRAW_IMAGE_SUNKEN
)
2373 x_draw_image_relief (s
);
2377 /* Draw stretch glyph string S. */
2380 x_draw_stretch_glyph_string (s
)
2381 struct glyph_string
*s
;
2383 xassert (s
->first_glyph
->type
== STRETCH_GLYPH
);
2384 s
->stippled_p
= s
->face
->stipple
!= 0;
2386 if (s
->hl
== DRAW_CURSOR
2387 && !x_stretch_cursor_p
)
2389 /* If `x-stretch-block-cursor' is nil, don't draw a block cursor
2390 as wide as the stretch glyph. */
2391 int width
= min (FRAME_COLUMN_WIDTH (s
->f
), s
->background_width
);
2394 x_draw_glyph_string_bg_rect (s
, s
->x
, s
->y
, width
, s
->height
);
2396 /* Clear rest using the GC of the original non-cursor face. */
2397 if (width
< s
->background_width
)
2399 XGCValues
*gc
= s
->face
->gc
;
2400 int x
= s
->x
+ width
, y
= s
->y
;
2401 int w
= s
->background_width
- width
, h
= s
->height
;
2405 if (s
->row
->mouse_face_p
2406 && cursor_in_mouse_face_p (s
->w
))
2408 x_set_mouse_face_gc (s
);
2414 get_glyph_string_clip_rect (s
, &r
);
2415 w32_set_clip_rectangle (hdc
, &r
);
2417 #if 0 /* TODO: stipple */
2418 if (s
->face
->stipple
)
2420 /* Fill background with a stipple pattern. */
2421 XSetFillStyle (s
->display
, gc
, FillOpaqueStippled
);
2422 XFillRectangle (s
->display
, s
->window
, gc
, x
, y
, w
, h
);
2423 XSetFillStyle (s
->display
, gc
, FillSolid
);
2428 w32_fill_area (s
->f
, s
->hdc
, gc
->background
, x
, y
, w
, h
);
2432 else if (!s
->background_filled_p
)
2433 x_draw_glyph_string_bg_rect (s
, s
->x
, s
->y
, s
->background_width
,
2436 s
->background_filled_p
= 1;
2440 /* Draw glyph string S. */
2443 x_draw_glyph_string (s
)
2444 struct glyph_string
*s
;
2446 int relief_drawn_p
= 0;
2448 /* If S draws into the background of its successor, draw the
2449 background of the successor first so that S can draw into it.
2450 This makes S->next use XDrawString instead of XDrawImageString. */
2451 if (s
->next
&& s
->right_overhang
&& !s
->for_overlaps
)
2453 xassert (s
->next
->img
== NULL
);
2454 x_set_glyph_string_gc (s
->next
);
2455 x_set_glyph_string_clipping (s
->next
);
2456 x_draw_glyph_string_background (s
->next
, 1);
2459 /* Set up S->gc, set clipping and draw S. */
2460 x_set_glyph_string_gc (s
);
2462 /* Draw relief (if any) in advance for char/composition so that the
2463 glyph string can be drawn over it. */
2464 if (!s
->for_overlaps
2465 && s
->face
->box
!= FACE_NO_BOX
2466 && (s
->first_glyph
->type
== CHAR_GLYPH
2467 || s
->first_glyph
->type
== COMPOSITE_GLYPH
))
2470 x_set_glyph_string_clipping (s
);
2471 x_draw_glyph_string_background (s
, 1);
2472 x_draw_glyph_string_box (s
);
2473 x_set_glyph_string_clipping (s
);
2477 x_set_glyph_string_clipping (s
);
2479 switch (s
->first_glyph
->type
)
2482 x_draw_image_glyph_string (s
);
2486 x_draw_stretch_glyph_string (s
);
2490 if (s
->for_overlaps
)
2491 s
->background_filled_p
= 1;
2493 x_draw_glyph_string_background (s
, 0);
2494 x_draw_glyph_string_foreground (s
);
2497 case COMPOSITE_GLYPH
:
2498 if (s
->for_overlaps
|| s
->gidx
> 0)
2499 s
->background_filled_p
= 1;
2501 x_draw_glyph_string_background (s
, 1);
2502 x_draw_composite_glyph_string_foreground (s
);
2509 if (!s
->for_overlaps
)
2511 /* Draw underline. */
2512 if (s
->face
->underline_p
2513 && (s
->font
->bdf
|| !s
->font
->tm
.tmUnderlined
))
2515 unsigned long h
= 1;
2516 unsigned long dy
= s
->height
- h
;
2518 /* TODO: Use font information for positioning and thickness
2519 of underline. See OUTLINETEXTMETRIC, and xterm.c.
2520 Note: If you make this work, don't forget to change the
2521 doc string of x-use-underline-position-properties below. */
2522 if (s
->face
->underline_defaulted_p
)
2524 w32_fill_area (s
->f
, s
->hdc
, s
->gc
->foreground
, s
->x
,
2525 s
->y
+ dy
, s
->width
, 1);
2529 w32_fill_area (s
->f
, s
->hdc
, s
->face
->underline_color
, s
->x
,
2530 s
->y
+ dy
, s
->width
, 1);
2534 /* Draw overline. */
2535 if (s
->face
->overline_p
)
2537 unsigned long dy
= 0, h
= 1;
2539 if (s
->face
->overline_color_defaulted_p
)
2541 w32_fill_area (s
->f
, s
->hdc
, s
->gc
->foreground
, s
->x
,
2542 s
->y
+ dy
, s
->width
, h
);
2546 w32_fill_area (s
->f
, s
->hdc
, s
->face
->overline_color
, s
->x
,
2547 s
->y
+ dy
, s
->width
, h
);
2551 /* Draw strike-through. */
2552 if (s
->face
->strike_through_p
2553 && (s
->font
->bdf
|| !s
->font
->tm
.tmStruckOut
))
2555 unsigned long h
= 1;
2556 unsigned long dy
= (s
->height
- h
) / 2;
2558 if (s
->face
->strike_through_color_defaulted_p
)
2560 w32_fill_area (s
->f
, s
->hdc
, s
->gc
->foreground
, s
->x
, s
->y
+ dy
,
2565 w32_fill_area (s
->f
, s
->hdc
, s
->face
->underline_color
, s
->x
,
2566 s
->y
+ dy
, s
->width
, h
);
2571 if (!relief_drawn_p
&& s
->face
->box
!= FACE_NO_BOX
)
2572 x_draw_glyph_string_box (s
);
2575 /* Reset clipping. */
2576 w32_set_clip_rectangle (s
->hdc
, NULL
);
2580 /* Shift display to make room for inserted glyphs. */
2583 w32_shift_glyphs_for_insert (f
, x
, y
, width
, height
, shift_by
)
2585 int x
, y
, width
, height
, shift_by
;
2589 hdc
= get_frame_dc (f
);
2590 BitBlt (hdc
, x
+ shift_by
, y
, width
, height
,
2591 hdc
, x
, y
, SRCCOPY
);
2593 release_frame_dc (f
, hdc
);
2597 /* Delete N glyphs at the nominal cursor position. Not implemented
2609 f
= SELECTED_FRAME ();
2611 if (! FRAME_W32_P (f
))
2618 /* Clear entire frame. If updating_frame is non-null, clear that
2619 frame. Otherwise clear the selected frame. */
2629 f
= SELECTED_FRAME ();
2631 if (! FRAME_W32_P (f
))
2634 /* Clearing the frame will erase any cursor, so mark them all as no
2636 mark_window_cursors_off (XWINDOW (FRAME_ROOT_WINDOW (f
)));
2637 output_cursor
.hpos
= output_cursor
.vpos
= 0;
2638 output_cursor
.x
= -1;
2640 /* We don't set the output cursor here because there will always
2641 follow an explicit cursor_to. */
2644 w32_clear_window (f
);
2646 /* We have to clear the scroll bars, too. If we have changed
2647 colors or something like that, then they should be notified. */
2648 x_scroll_bar_clear (f
);
2654 /* Make audible bell. */
2657 w32_ring_bell (void)
2661 f
= SELECTED_FRAME ();
2665 if (FRAME_W32_P (f
) && visible_bell
)
2668 HWND hwnd
= FRAME_W32_WINDOW (SELECTED_FRAME ());
2670 for (i
= 0; i
< 5; i
++)
2672 FlashWindow (hwnd
, TRUE
);
2675 FlashWindow (hwnd
, FALSE
);
2678 w32_sys_ring_bell ();
2684 /* Specify how many text lines, from the top of the window,
2685 should be affected by insert-lines and delete-lines operations.
2686 This, and those operations, are used only within an update
2687 that is bounded by calls to x_update_begin and x_update_end. */
2690 w32_set_terminal_window (n
)
2693 /* This function intentionally left blank. */
2697 /***********************************************************************
2699 ***********************************************************************/
2701 /* Perform an insert-lines or delete-lines operation, inserting N
2702 lines or deleting -N lines at vertical position VPOS. */
2705 x_ins_del_lines (vpos
, n
)
2713 f
= SELECTED_FRAME ();
2715 if (! FRAME_W32_P (f
))
2722 /* Scroll part of the display as described by RUN. */
2725 x_scroll_run (w
, run
)
2729 struct frame
*f
= XFRAME (w
->frame
);
2730 int x
, y
, width
, height
, from_y
, to_y
, bottom_y
;
2731 HWND hwnd
= FRAME_W32_WINDOW (f
);
2734 /* Get frame-relative bounding box of the text display area of W,
2735 without mode lines. Include in this box the left and right
2737 window_box (w
, -1, &x
, &y
, &width
, &height
);
2739 from_y
= WINDOW_TO_FRAME_PIXEL_Y (w
, run
->current_y
);
2740 to_y
= WINDOW_TO_FRAME_PIXEL_Y (w
, run
->desired_y
);
2741 bottom_y
= y
+ height
;
2745 /* Scrolling up. Make sure we don't copy part of the mode
2746 line at the bottom. */
2747 if (from_y
+ run
->height
> bottom_y
)
2748 height
= bottom_y
- from_y
;
2750 height
= run
->height
;
2751 expect_dirty
= CreateRectRgn (x
, y
+ height
, x
+ width
, bottom_y
);
2755 /* Scolling down. Make sure we don't copy over the mode line.
2757 if (to_y
+ run
->height
> bottom_y
)
2758 height
= bottom_y
- to_y
;
2760 height
= run
->height
;
2761 expect_dirty
= CreateRectRgn (x
, y
, x
+ width
, to_y
);
2766 /* Cursor off. Will be switched on again in x_update_window_end. */
2773 HRGN dirty
= CreateRectRgn (0, 0, 0, 0);
2774 HRGN combined
= CreateRectRgn (0, 0, 0, 0);
2776 from
.left
= to
.left
= x
;
2777 from
.right
= to
.right
= x
+ width
;
2779 from
.bottom
= from_y
+ height
;
2781 to
.bottom
= bottom_y
;
2783 ScrollWindowEx (hwnd
, 0, to_y
- from_y
, &from
, &to
, dirty
,
2784 NULL
, SW_INVALIDATE
);
2786 /* Combine this with what we expect to be dirty. This covers the
2787 case where not all of the region we expect is actually dirty. */
2788 CombineRgn (combined
, dirty
, expect_dirty
, RGN_OR
);
2790 /* If the dirty region is not what we expected, redraw the entire frame. */
2791 if (!EqualRgn (combined
, expect_dirty
))
2792 SET_FRAME_GARBAGED (f
);
2794 DeleteObject (dirty
);
2795 DeleteObject (combined
);
2799 DeleteObject (expect_dirty
);
2804 /***********************************************************************
2806 ***********************************************************************/
2812 x_update_cursor (f
, 1);
2816 frame_unhighlight (f
)
2819 x_update_cursor (f
, 1);
2822 /* The focus has changed. Update the frames as necessary to reflect
2823 the new situation. Note that we can't change the selected frame
2824 here, because the Lisp code we are interrupting might become confused.
2825 Each event gets marked with the frame in which it occurred, so the
2826 Lisp code can tell when the switch took place by examining the events. */
2829 x_new_focus_frame (dpyinfo
, frame
)
2830 struct w32_display_info
*dpyinfo
;
2831 struct frame
*frame
;
2833 struct frame
*old_focus
= dpyinfo
->w32_focus_frame
;
2835 if (frame
!= dpyinfo
->w32_focus_frame
)
2837 /* Set this before calling other routines, so that they see
2838 the correct value of w32_focus_frame. */
2839 dpyinfo
->w32_focus_frame
= frame
;
2841 if (old_focus
&& old_focus
->auto_lower
)
2842 x_lower_frame (old_focus
);
2844 if (dpyinfo
->w32_focus_frame
&& dpyinfo
->w32_focus_frame
->auto_raise
)
2845 pending_autoraise_frame
= dpyinfo
->w32_focus_frame
;
2847 pending_autoraise_frame
= 0;
2850 x_frame_rehighlight (dpyinfo
);
2854 /* Handle FocusIn and FocusOut state changes for FRAME.
2855 If FRAME has focus and there exists more than one frame, puts
2856 a FOCUS_IN_EVENT into *BUFP. */
2859 x_focus_changed (type
, state
, dpyinfo
, frame
, bufp
)
2862 struct w32_display_info
*dpyinfo
;
2863 struct frame
*frame
;
2864 struct input_event
*bufp
;
2866 if (type
== WM_SETFOCUS
)
2868 if (dpyinfo
->w32_focus_event_frame
!= frame
)
2870 x_new_focus_frame (dpyinfo
, frame
);
2871 dpyinfo
->w32_focus_event_frame
= frame
;
2873 /* Don't stop displaying the initial startup message
2874 for a switch-frame event we don't need. */
2875 if (GC_NILP (Vterminal_frame
)
2876 && GC_CONSP (Vframe_list
)
2877 && !GC_NILP (XCDR (Vframe_list
)))
2879 bufp
->kind
= FOCUS_IN_EVENT
;
2880 XSETFRAME (bufp
->frame_or_window
, frame
);
2884 frame
->output_data
.x
->focus_state
|= state
;
2886 /* TODO: IME focus? */
2888 else if (type
== WM_KILLFOCUS
)
2890 frame
->output_data
.x
->focus_state
&= ~state
;
2892 if (dpyinfo
->w32_focus_event_frame
== frame
)
2894 dpyinfo
->w32_focus_event_frame
= 0;
2895 x_new_focus_frame (dpyinfo
, 0);
2898 /* TODO: IME focus? */
2903 /* The focus may have changed. Figure out if it is a real focus change,
2904 by checking both FocusIn/Out and Enter/LeaveNotify events.
2906 Returns FOCUS_IN_EVENT event in *BUFP. */
2909 w32_detect_focus_change (dpyinfo
, event
, bufp
)
2910 struct w32_display_info
*dpyinfo
;
2912 struct input_event
*bufp
;
2914 struct frame
*frame
;
2916 frame
= x_any_window_to_frame (dpyinfo
, event
->msg
.hwnd
);
2920 /* On w32, this is only called from focus events, so no switch needed. */
2921 x_focus_changed (event
->msg
.message
,
2922 (event
->msg
.message
== WM_KILLFOCUS
?
2923 FOCUS_IMPLICIT
: FOCUS_EXPLICIT
),
2924 dpyinfo
, frame
, bufp
);
2928 /* Handle an event saying the mouse has moved out of an Emacs frame. */
2931 x_mouse_leave (dpyinfo
)
2932 struct w32_display_info
*dpyinfo
;
2934 x_new_focus_frame (dpyinfo
, dpyinfo
->w32_focus_event_frame
);
2937 /* The focus has changed, or we have redirected a frame's focus to
2938 another frame (this happens when a frame uses a surrogate
2939 mini-buffer frame). Shift the highlight as appropriate.
2941 The FRAME argument doesn't necessarily have anything to do with which
2942 frame is being highlighted or un-highlighted; we only use it to find
2943 the appropriate X display info. */
2946 w32_frame_rehighlight (frame
)
2947 struct frame
*frame
;
2949 if (! FRAME_W32_P (frame
))
2951 x_frame_rehighlight (FRAME_W32_DISPLAY_INFO (frame
));
2955 x_frame_rehighlight (dpyinfo
)
2956 struct w32_display_info
*dpyinfo
;
2958 struct frame
*old_highlight
= dpyinfo
->x_highlight_frame
;
2960 if (dpyinfo
->w32_focus_frame
)
2962 dpyinfo
->x_highlight_frame
2963 = ((GC_FRAMEP (FRAME_FOCUS_FRAME (dpyinfo
->w32_focus_frame
)))
2964 ? XFRAME (FRAME_FOCUS_FRAME (dpyinfo
->w32_focus_frame
))
2965 : dpyinfo
->w32_focus_frame
);
2966 if (! FRAME_LIVE_P (dpyinfo
->x_highlight_frame
))
2968 FRAME_FOCUS_FRAME (dpyinfo
->w32_focus_frame
) = Qnil
;
2969 dpyinfo
->x_highlight_frame
= dpyinfo
->w32_focus_frame
;
2973 dpyinfo
->x_highlight_frame
= 0;
2975 if (dpyinfo
->x_highlight_frame
!= old_highlight
)
2978 frame_unhighlight (old_highlight
);
2979 if (dpyinfo
->x_highlight_frame
)
2980 frame_highlight (dpyinfo
->x_highlight_frame
);
2984 /* Keyboard processing - modifier keys, etc. */
2986 /* Convert a keysym to its name. */
2989 x_get_keysym_name (keysym
)
2992 /* Make static so we can always return it */
2993 static char value
[100];
2996 GetKeyNameText (keysym
, value
, 100);
3004 /* Mouse clicks and mouse movement. Rah. */
3006 /* Parse a button MESSAGE. The button index is returned in PBUTTON, and
3007 the state in PUP. XBUTTON provides extra information for extended mouse
3008 button messages. Returns FALSE if unable to parse the message. */
3010 parse_button (message
, xbutton
, pbutton
, pup
)
3021 case WM_LBUTTONDOWN
:
3029 case WM_MBUTTONDOWN
:
3030 if (NILP (Vw32_swap_mouse_buttons
))
3037 if (NILP (Vw32_swap_mouse_buttons
))
3043 case WM_RBUTTONDOWN
:
3044 if (NILP (Vw32_swap_mouse_buttons
))
3051 if (NILP (Vw32_swap_mouse_buttons
))
3057 case WM_XBUTTONDOWN
:
3058 button
= xbutton
+ 2;
3062 button
= xbutton
+ 2;
3070 if (pbutton
) *pbutton
= button
;
3076 /* Prepare a mouse-event in *RESULT for placement in the input queue.
3078 If the event is a button press, then note that we have grabbed
3082 construct_mouse_click (result
, msg
, f
)
3083 struct input_event
*result
;
3090 parse_button (msg
->msg
.message
, HIWORD (msg
->msg
.wParam
),
3093 /* Make the event type NO_EVENT; we'll change that when we decide
3095 result
->kind
= MOUSE_CLICK_EVENT
;
3096 result
->code
= button
;
3097 result
->timestamp
= msg
->msg
.time
;
3098 result
->modifiers
= (msg
->dwModifiers
3103 XSETINT (result
->x
, LOWORD (msg
->msg
.lParam
));
3104 XSETINT (result
->y
, HIWORD (msg
->msg
.lParam
));
3105 XSETFRAME (result
->frame_or_window
, f
);
3111 construct_mouse_wheel (result
, msg
, f
)
3112 struct input_event
*result
;
3119 result
->kind
= WHEEL_EVENT
;
3121 result
->timestamp
= msg
->msg
.time
;
3123 /* A WHEEL_DELTA positive value indicates that the wheel was rotated
3124 forward, away from the user (up); a negative value indicates that
3125 the wheel was rotated backward, toward the user (down). */
3126 delta
= GET_WHEEL_DELTA_WPARAM (msg
->msg
.wParam
);
3128 /* The up and down modifiers indicate if the wheel was rotated up or
3129 down based on WHEEL_DELTA value. */
3130 result
->modifiers
= (msg
->dwModifiers
3131 | ((delta
< 0 ) ? down_modifier
: up_modifier
));
3133 p
.x
= LOWORD (msg
->msg
.lParam
);
3134 p
.y
= HIWORD (msg
->msg
.lParam
);
3135 ScreenToClient (msg
->msg
.hwnd
, &p
);
3136 XSETINT (result
->x
, p
.x
);
3137 XSETINT (result
->y
, p
.y
);
3138 XSETFRAME (result
->frame_or_window
, f
);
3144 construct_drag_n_drop (result
, msg
, f
)
3145 struct input_event
*result
;
3157 result
->kind
= DRAG_N_DROP_EVENT
;
3159 result
->timestamp
= msg
->msg
.time
;
3160 result
->modifiers
= msg
->dwModifiers
;
3162 hdrop
= (HDROP
) msg
->msg
.wParam
;
3163 DragQueryPoint (hdrop
, &p
);
3166 p
.x
= LOWORD (msg
->msg
.lParam
);
3167 p
.y
= HIWORD (msg
->msg
.lParam
);
3168 ScreenToClient (msg
->msg
.hwnd
, &p
);
3171 XSETINT (result
->x
, p
.x
);
3172 XSETINT (result
->y
, p
.y
);
3174 num_files
= DragQueryFile (hdrop
, 0xFFFFFFFF, NULL
, 0);
3177 for (i
= 0; i
< num_files
; i
++)
3179 len
= DragQueryFile (hdrop
, i
, NULL
, 0);
3182 name
= alloca (len
+ 1);
3183 DragQueryFile (hdrop
, i
, name
, len
+ 1);
3184 files
= Fcons (DECODE_FILE (build_string (name
)), files
);
3189 XSETFRAME (frame
, f
);
3190 result
->frame_or_window
= Fcons (frame
, files
);
3196 /* Function to report a mouse movement to the mainstream Emacs code.
3197 The input handler calls this.
3199 We have received a mouse movement event, which is given in *event.
3200 If the mouse is over a different glyph than it was last time, tell
3201 the mainstream emacs code by setting mouse_moved. If not, ask for
3202 another motion event, so we can check again the next time it moves. */
3204 static MSG last_mouse_motion_event
;
3205 static Lisp_Object last_mouse_motion_frame
;
3208 note_mouse_movement (frame
, msg
)
3212 int mouse_x
= LOWORD (msg
->lParam
);
3213 int mouse_y
= HIWORD (msg
->lParam
);
3215 last_mouse_movement_time
= msg
->time
;
3216 memcpy (&last_mouse_motion_event
, msg
, sizeof (last_mouse_motion_event
));
3217 XSETFRAME (last_mouse_motion_frame
, frame
);
3219 if (msg
->hwnd
!= FRAME_W32_WINDOW (frame
))
3221 frame
->mouse_moved
= 1;
3222 last_mouse_scroll_bar
= Qnil
;
3223 note_mouse_highlight (frame
, -1, -1);
3226 /* Has the mouse moved off the glyph it was on at the last sighting? */
3227 else if (mouse_x
< last_mouse_glyph
.left
3228 || mouse_x
>= last_mouse_glyph
.right
3229 || mouse_y
< last_mouse_glyph
.top
3230 || mouse_y
>= last_mouse_glyph
.bottom
)
3232 frame
->mouse_moved
= 1;
3233 last_mouse_scroll_bar
= Qnil
;
3234 note_mouse_highlight (frame
, mouse_x
, mouse_y
);
3235 /* Remember the mouse position here, as w32_mouse_position only
3236 gets called when mouse tracking is enabled but we also need
3237 to keep track of the mouse for help_echo and highlighting at
3239 remember_mouse_glyph (frame
, mouse_x
, mouse_y
, &last_mouse_glyph
);
3244 /************************************************************************
3246 ************************************************************************/
3248 static struct scroll_bar
*x_window_to_scroll_bar ();
3249 static void x_scroll_bar_report_motion ();
3250 static void x_check_fullscreen
P_ ((struct frame
*));
3253 redo_mouse_highlight ()
3255 if (!NILP (last_mouse_motion_frame
)
3256 && FRAME_LIVE_P (XFRAME (last_mouse_motion_frame
)))
3257 note_mouse_highlight (XFRAME (last_mouse_motion_frame
),
3258 LOWORD (last_mouse_motion_event
.lParam
),
3259 HIWORD (last_mouse_motion_event
.lParam
));
3263 w32_define_cursor (window
, cursor
)
3267 PostMessage (window
, WM_EMACS_SETCURSOR
, (WPARAM
) cursor
, 0);
3269 /* Return the current position of the mouse.
3270 *fp should be a frame which indicates which display to ask about.
3272 If the mouse movement started in a scroll bar, set *fp, *bar_window,
3273 and *part to the frame, window, and scroll bar part that the mouse
3274 is over. Set *x and *y to the portion and whole of the mouse's
3275 position on the scroll bar.
3277 If the mouse movement started elsewhere, set *fp to the frame the
3278 mouse is on, *bar_window to nil, and *x and *y to the character cell
3281 Set *time to the server time-stamp for the time at which the mouse
3282 was at this position.
3284 Don't store anything if we don't have a valid set of values to report.
3286 This clears the mouse_moved flag, so we can wait for the next mouse
3290 w32_mouse_position (fp
, insist
, bar_window
, part
, x
, y
, time
)
3293 Lisp_Object
*bar_window
;
3294 enum scroll_bar_part
*part
;
3296 unsigned long *time
;
3302 if (! NILP (last_mouse_scroll_bar
) && insist
== 0)
3303 x_scroll_bar_report_motion (fp
, bar_window
, part
, x
, y
, time
);
3308 Lisp_Object frame
, tail
;
3310 /* Clear the mouse-moved flag for every frame on this display. */
3311 FOR_EACH_FRAME (tail
, frame
)
3312 XFRAME (frame
)->mouse_moved
= 0;
3314 last_mouse_scroll_bar
= Qnil
;
3318 /* Now we have a position on the root; find the innermost window
3319 containing the pointer. */
3321 if (FRAME_W32_DISPLAY_INFO (*fp
)->grabbed
&& last_mouse_frame
3322 && FRAME_LIVE_P (last_mouse_frame
))
3324 /* If mouse was grabbed on a frame, give coords for that frame
3325 even if the mouse is now outside it. */
3326 f1
= last_mouse_frame
;
3330 /* Is window under mouse one of our frames? */
3331 f1
= x_any_window_to_frame (FRAME_W32_DISPLAY_INFO (*fp
),
3332 WindowFromPoint (pt
));
3335 /* If not, is it one of our scroll bars? */
3338 struct scroll_bar
*bar
3339 = x_window_to_scroll_bar (WindowFromPoint (pt
));
3343 f1
= XFRAME (WINDOW_FRAME (XWINDOW (bar
->window
)));
3347 if (f1
== 0 && insist
> 0)
3348 f1
= SELECTED_FRAME ();
3352 /* Ok, we found a frame. Store all the values.
3353 last_mouse_glyph is a rectangle used to reduce the
3354 generation of mouse events. To not miss any motion
3355 events, we must divide the frame into rectangles of the
3356 size of the smallest character that could be displayed
3357 on it, i.e. into the same rectangles that matrices on
3358 the frame are divided into. */
3360 #if OLD_REDISPLAY_CODE
3361 int ignore1
, ignore2
;
3363 ScreenToClient (FRAME_W32_WINDOW (f1
), &pt
);
3365 pixel_to_glyph_coords (f1
, pt
.x
, pt
.y
, &ignore1
, &ignore2
,
3367 FRAME_W32_DISPLAY_INFO (f1
)->grabbed
3370 ScreenToClient (FRAME_W32_WINDOW (f1
), &pt
);
3371 remember_mouse_glyph (f1
, pt
.x
, pt
.y
, &last_mouse_glyph
);
3379 *time
= last_mouse_movement_time
;
3388 /***********************************************************************
3390 ***********************************************************************/
3392 /* Handle mouse button event on the tool-bar of frame F, at
3393 frame-relative coordinates X/Y. EVENT_TYPE is either ButtionPress
3397 w32_handle_tool_bar_click (f
, button_event
)
3399 struct input_event
*button_event
;
3401 int x
= XFASTINT (button_event
->x
);
3402 int y
= XFASTINT (button_event
->y
);
3404 if (button_event
->modifiers
& down_modifier
)
3405 handle_tool_bar_click (f
, x
, y
, 1, 0);
3407 handle_tool_bar_click (f
, x
, y
, 0,
3408 button_event
->modifiers
& ~up_modifier
);
3413 /***********************************************************************
3415 ***********************************************************************/
3417 /* Scroll bar support. */
3419 /* Given a window ID, find the struct scroll_bar which manages it.
3420 This can be called in GC, so we have to make sure to strip off mark
3423 static struct scroll_bar
*
3424 x_window_to_scroll_bar (window_id
)
3429 for (tail
= Vframe_list
;
3430 XGCTYPE (tail
) == Lisp_Cons
;
3433 Lisp_Object frame
, bar
, condemned
;
3435 frame
= XCAR (tail
);
3436 /* All elements of Vframe_list should be frames. */
3437 if (! GC_FRAMEP (frame
))
3440 /* Scan this frame's scroll bar list for a scroll bar with the
3442 condemned
= FRAME_CONDEMNED_SCROLL_BARS (XFRAME (frame
));
3443 for (bar
= FRAME_SCROLL_BARS (XFRAME (frame
));
3444 /* This trick allows us to search both the ordinary and
3445 condemned scroll bar lists with one loop. */
3446 ! GC_NILP (bar
) || (bar
= condemned
,
3449 bar
= XSCROLL_BAR (bar
)->next
)
3450 if (SCROLL_BAR_W32_WINDOW (XSCROLL_BAR (bar
)) == window_id
)
3451 return XSCROLL_BAR (bar
);
3459 /* Set the thumb size and position of scroll bar BAR. We are currently
3460 displaying PORTION out of a whole WHOLE, and our position POSITION. */
3463 w32_set_scroll_bar_thumb (bar
, portion
, position
, whole
)
3464 struct scroll_bar
*bar
;
3465 int portion
, position
, whole
;
3467 Window w
= SCROLL_BAR_W32_WINDOW (bar
);
3468 double range
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
));
3469 int sb_page
, sb_pos
;
3470 BOOL draggingp
= !NILP (bar
->dragging
) ? TRUE
: FALSE
;
3474 /* Position scroll bar at rock bottom if the bottom of the
3475 buffer is visible. This avoids shinking the thumb away
3476 to nothing if it is held at the bottom of the buffer. */
3477 if (position
+ portion
>= whole
)
3479 sb_page
= range
* (whole
- position
) / whole
3480 + VERTICAL_SCROLL_BAR_MIN_HANDLE
;
3484 sb_page
= portion
* range
/ whole
+ VERTICAL_SCROLL_BAR_MIN_HANDLE
;
3485 sb_pos
= position
* range
/ whole
;
3495 if (pfnSetScrollInfo
)
3499 si
.cbSize
= sizeof (si
);
3500 /* Only update page size if currently dragging, to reduce
3503 si
.fMask
= SIF_PAGE
;
3505 si
.fMask
= SIF_PAGE
| SIF_POS
;
3509 pfnSetScrollInfo (w
, SB_CTL
, &si
, !draggingp
);
3512 SetScrollPos (w
, SB_CTL
, sb_pos
, !draggingp
);
3518 /************************************************************************
3519 Scroll bars, general
3520 ************************************************************************/
3523 my_create_scrollbar (f
, bar
)
3525 struct scroll_bar
* bar
;
3527 return (HWND
) SendMessage (FRAME_W32_WINDOW (f
),
3528 WM_EMACS_CREATESCROLLBAR
, (WPARAM
) f
,
3532 /*#define ATTACH_THREADS*/
3535 my_show_window (FRAME_PTR f
, HWND hwnd
, int how
)
3537 #ifndef ATTACH_THREADS
3538 return SendMessage (FRAME_W32_WINDOW (f
), WM_EMACS_SHOWWINDOW
,
3539 (WPARAM
) hwnd
, (LPARAM
) how
);
3541 return ShowWindow (hwnd
, how
);
3546 my_set_window_pos (HWND hwnd
, HWND hwndAfter
,
3547 int x
, int y
, int cx
, int cy
, UINT flags
)
3549 #ifndef ATTACH_THREADS
3551 pos
.hwndInsertAfter
= hwndAfter
;
3557 SendMessage (hwnd
, WM_EMACS_SETWINDOWPOS
, (WPARAM
) &pos
, 0);
3559 SetWindowPos (hwnd
, hwndAfter
, x
, y
, cx
, cy
, flags
);
3564 my_set_focus (f
, hwnd
)
3568 SendMessage (FRAME_W32_WINDOW (f
), WM_EMACS_SETFOCUS
,
3573 my_set_foreground_window (hwnd
)
3576 SendMessage (hwnd
, WM_EMACS_SETFOREGROUND
, (WPARAM
) hwnd
, 0);
3581 my_destroy_window (f
, hwnd
)
3585 SendMessage (FRAME_W32_WINDOW (f
), WM_EMACS_DESTROYWINDOW
,
3589 /* Create a scroll bar and return the scroll bar vector for it. W is
3590 the Emacs window on which to create the scroll bar. TOP, LEFT,
3591 WIDTH and HEIGHT are.the pixel coordinates and dimensions of the
3594 static struct scroll_bar
*
3595 x_scroll_bar_create (w
, top
, left
, width
, height
)
3597 int top
, left
, width
, height
;
3599 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
3601 struct scroll_bar
*bar
3602 = XSCROLL_BAR (Fmake_vector (make_number (SCROLL_BAR_VEC_SIZE
), Qnil
));
3606 XSETWINDOW (bar
->window
, w
);
3607 XSETINT (bar
->top
, top
);
3608 XSETINT (bar
->left
, left
);
3609 XSETINT (bar
->width
, width
);
3610 XSETINT (bar
->height
, height
);
3611 XSETINT (bar
->start
, 0);
3612 XSETINT (bar
->end
, 0);
3613 bar
->dragging
= Qnil
;
3615 /* Requires geometry to be set before call to create the real window */
3617 hwnd
= my_create_scrollbar (f
, bar
);
3619 if (pfnSetScrollInfo
)
3623 si
.cbSize
= sizeof (si
);
3626 si
.nMax
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, height
)
3627 + VERTICAL_SCROLL_BAR_MIN_HANDLE
;
3631 pfnSetScrollInfo (hwnd
, SB_CTL
, &si
, FALSE
);
3635 SetScrollRange (hwnd
, SB_CTL
, 0,
3636 VERTICAL_SCROLL_BAR_TOP_RANGE (f
, height
), FALSE
);
3637 SetScrollPos (hwnd
, SB_CTL
, 0, FALSE
);
3640 SET_SCROLL_BAR_W32_WINDOW (bar
, hwnd
);
3642 /* Add bar to its frame's list of scroll bars. */
3643 bar
->next
= FRAME_SCROLL_BARS (f
);
3645 XSETVECTOR (FRAME_SCROLL_BARS (f
), bar
);
3646 if (! NILP (bar
->next
))
3647 XSETVECTOR (XSCROLL_BAR (bar
->next
)->prev
, bar
);
3655 /* Destroy scroll bar BAR, and set its Emacs window's scroll bar to
3659 x_scroll_bar_remove (bar
)
3660 struct scroll_bar
*bar
;
3662 FRAME_PTR f
= XFRAME (WINDOW_FRAME (XWINDOW (bar
->window
)));
3666 /* Destroy the window. */
3667 my_destroy_window (f
, SCROLL_BAR_W32_WINDOW (bar
));
3669 /* Disassociate this scroll bar from its window. */
3670 XWINDOW (bar
->window
)->vertical_scroll_bar
= Qnil
;
3675 /* Set the handle of the vertical scroll bar for WINDOW to indicate
3676 that we are displaying PORTION characters out of a total of WHOLE
3677 characters, starting at POSITION. If WINDOW has no scroll bar,
3680 w32_set_vertical_scroll_bar (w
, portion
, whole
, position
)
3682 int portion
, whole
, position
;
3684 struct frame
*f
= XFRAME (w
->frame
);
3685 struct scroll_bar
*bar
;
3686 int top
, height
, left
, sb_left
, width
, sb_width
;
3687 int window_y
, window_height
;
3689 /* Get window dimensions. */
3690 window_box (w
, -1, 0, &window_y
, 0, &window_height
);
3692 width
= WINDOW_CONFIG_SCROLL_BAR_COLS (w
) * FRAME_COLUMN_WIDTH (f
);
3693 height
= window_height
;
3695 /* Compute the left edge of the scroll bar area. */
3696 left
= WINDOW_SCROLL_BAR_AREA_X (w
);
3698 /* Compute the width of the scroll bar which might be less than
3699 the width of the area reserved for the scroll bar. */
3700 if (WINDOW_CONFIG_SCROLL_BAR_WIDTH (w
) > 0)
3701 sb_width
= WINDOW_CONFIG_SCROLL_BAR_WIDTH (w
);
3705 /* Compute the left edge of the scroll bar. */
3706 if (WINDOW_HAS_VERTICAL_SCROLL_BAR_ON_RIGHT (w
))
3707 sb_left
= left
+ width
- sb_width
- (width
- sb_width
) / 2;
3709 sb_left
= left
+ (width
- sb_width
) / 2;
3711 /* Does the scroll bar exist yet? */
3712 if (NILP (w
->vertical_scroll_bar
))
3716 if (width
> 0 && height
> 0)
3718 hdc
= get_frame_dc (f
);
3719 w32_clear_area (f
, hdc
, left
, top
, width
, height
);
3720 release_frame_dc (f
, hdc
);
3724 bar
= x_scroll_bar_create (w
, top
, sb_left
, sb_width
, height
);
3728 /* It may just need to be moved and resized. */
3731 bar
= XSCROLL_BAR (w
->vertical_scroll_bar
);
3732 hwnd
= SCROLL_BAR_W32_WINDOW (bar
);
3734 /* If already correctly positioned, do nothing. */
3735 if ( XINT (bar
->left
) == sb_left
3736 && XINT (bar
->top
) == top
3737 && XINT (bar
->width
) == sb_width
3738 && XINT (bar
->height
) == height
)
3740 /* Redraw after clear_frame. */
3741 if (!my_show_window (f
, hwnd
, SW_NORMAL
))
3742 InvalidateRect (hwnd
, NULL
, FALSE
);
3748 if (width
&& height
)
3750 hdc
= get_frame_dc (f
);
3751 /* Since Windows scroll bars are smaller than the space reserved
3752 for them on the frame, we have to clear "under" them. */
3753 w32_clear_area (f
, hdc
,
3758 release_frame_dc (f
, hdc
);
3760 /* Make sure scroll bar is "visible" before moving, to ensure the
3761 area of the parent window now exposed will be refreshed. */
3762 my_show_window (f
, hwnd
, SW_HIDE
);
3763 MoveWindow (hwnd
, sb_left
+ VERTICAL_SCROLL_BAR_WIDTH_TRIM
,
3764 top
, sb_width
- VERTICAL_SCROLL_BAR_WIDTH_TRIM
* 2,
3765 max (height
, 1), TRUE
);
3766 if (pfnSetScrollInfo
)
3770 si
.cbSize
= sizeof (si
);
3771 si
.fMask
= SIF_RANGE
;
3773 si
.nMax
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, height
)
3774 + VERTICAL_SCROLL_BAR_MIN_HANDLE
;
3776 pfnSetScrollInfo (hwnd
, SB_CTL
, &si
, FALSE
);
3779 SetScrollRange (hwnd
, SB_CTL
, 0,
3780 VERTICAL_SCROLL_BAR_TOP_RANGE (f
, height
), FALSE
);
3781 my_show_window (f
, hwnd
, SW_NORMAL
);
3782 /* InvalidateRect (w, NULL, FALSE); */
3784 /* Remember new settings. */
3785 XSETINT (bar
->left
, sb_left
);
3786 XSETINT (bar
->top
, top
);
3787 XSETINT (bar
->width
, sb_width
);
3788 XSETINT (bar
->height
, height
);
3793 w32_set_scroll_bar_thumb (bar
, portion
, position
, whole
);
3795 XSETVECTOR (w
->vertical_scroll_bar
, bar
);
3799 /* The following three hooks are used when we're doing a thorough
3800 redisplay of the frame. We don't explicitly know which scroll bars
3801 are going to be deleted, because keeping track of when windows go
3802 away is a real pain - "Can you say set-window-configuration, boys
3803 and girls?" Instead, we just assert at the beginning of redisplay
3804 that *all* scroll bars are to be removed, and then save a scroll bar
3805 from the fiery pit when we actually redisplay its window. */
3807 /* Arrange for all scroll bars on FRAME to be removed at the next call
3808 to `*judge_scroll_bars_hook'. A scroll bar may be spared if
3809 `*redeem_scroll_bar_hook' is applied to its window before the judgment. */
3812 w32_condemn_scroll_bars (frame
)
3815 /* Transfer all the scroll bars to FRAME_CONDEMNED_SCROLL_BARS. */
3816 while (! NILP (FRAME_SCROLL_BARS (frame
)))
3819 bar
= FRAME_SCROLL_BARS (frame
);
3820 FRAME_SCROLL_BARS (frame
) = XSCROLL_BAR (bar
)->next
;
3821 XSCROLL_BAR (bar
)->next
= FRAME_CONDEMNED_SCROLL_BARS (frame
);
3822 XSCROLL_BAR (bar
)->prev
= Qnil
;
3823 if (! NILP (FRAME_CONDEMNED_SCROLL_BARS (frame
)))
3824 XSCROLL_BAR (FRAME_CONDEMNED_SCROLL_BARS (frame
))->prev
= bar
;
3825 FRAME_CONDEMNED_SCROLL_BARS (frame
) = bar
;
3830 /* Un-mark WINDOW's scroll bar for deletion in this judgment cycle.
3831 Note that WINDOW isn't necessarily condemned at all. */
3834 w32_redeem_scroll_bar (window
)
3835 struct window
*window
;
3837 struct scroll_bar
*bar
;
3840 /* We can't redeem this window's scroll bar if it doesn't have one. */
3841 if (NILP (window
->vertical_scroll_bar
))
3844 bar
= XSCROLL_BAR (window
->vertical_scroll_bar
);
3846 /* Unlink it from the condemned list. */
3847 f
= XFRAME (WINDOW_FRAME (window
));
3848 if (NILP (bar
->prev
))
3850 /* If the prev pointer is nil, it must be the first in one of
3852 if (EQ (FRAME_SCROLL_BARS (f
), window
->vertical_scroll_bar
))
3853 /* It's not condemned. Everything's fine. */
3855 else if (EQ (FRAME_CONDEMNED_SCROLL_BARS (f
),
3856 window
->vertical_scroll_bar
))
3857 FRAME_CONDEMNED_SCROLL_BARS (f
) = bar
->next
;
3859 /* If its prev pointer is nil, it must be at the front of
3860 one or the other! */
3864 XSCROLL_BAR (bar
->prev
)->next
= bar
->next
;
3866 if (! NILP (bar
->next
))
3867 XSCROLL_BAR (bar
->next
)->prev
= bar
->prev
;
3869 bar
->next
= FRAME_SCROLL_BARS (f
);
3871 XSETVECTOR (FRAME_SCROLL_BARS (f
), bar
);
3872 if (! NILP (bar
->next
))
3873 XSETVECTOR (XSCROLL_BAR (bar
->next
)->prev
, bar
);
3876 /* Remove all scroll bars on FRAME that haven't been saved since the
3877 last call to `*condemn_scroll_bars_hook'. */
3880 w32_judge_scroll_bars (f
)
3883 Lisp_Object bar
, next
;
3885 bar
= FRAME_CONDEMNED_SCROLL_BARS (f
);
3887 /* Clear out the condemned list now so we won't try to process any
3888 more events on the hapless scroll bars. */
3889 FRAME_CONDEMNED_SCROLL_BARS (f
) = Qnil
;
3891 for (; ! NILP (bar
); bar
= next
)
3893 struct scroll_bar
*b
= XSCROLL_BAR (bar
);
3895 x_scroll_bar_remove (b
);
3898 b
->next
= b
->prev
= Qnil
;
3901 /* Now there should be no references to the condemned scroll bars,
3902 and they should get garbage-collected. */
3905 /* Handle a mouse click on the scroll bar BAR. If *EMACS_EVENT's kind
3906 is set to something other than NO_EVENT, it is enqueued.
3908 This may be called from a signal handler, so we have to ignore GC
3912 w32_scroll_bar_handle_click (bar
, msg
, emacs_event
)
3913 struct scroll_bar
*bar
;
3915 struct input_event
*emacs_event
;
3917 if (! GC_WINDOWP (bar
->window
))
3920 emacs_event
->kind
= W32_SCROLL_BAR_CLICK_EVENT
;
3921 emacs_event
->code
= 0;
3922 /* not really meaningful to distinguish up/down */
3923 emacs_event
->modifiers
= msg
->dwModifiers
;
3924 emacs_event
->frame_or_window
= bar
->window
;
3925 emacs_event
->arg
= Qnil
;
3926 emacs_event
->timestamp
= msg
->msg
.time
;
3929 int top_range
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
));
3931 int dragging
= !NILP (bar
->dragging
);
3933 if (pfnGetScrollInfo
)
3937 si
.cbSize
= sizeof (si
);
3940 pfnGetScrollInfo ((HWND
) msg
->msg
.lParam
, SB_CTL
, &si
);
3944 y
= GetScrollPos ((HWND
) msg
->msg
.lParam
, SB_CTL
);
3946 bar
->dragging
= Qnil
;
3949 last_mouse_scroll_bar_pos
= msg
->msg
.wParam
;
3951 switch (LOWORD (msg
->msg
.wParam
))
3954 emacs_event
->part
= scroll_bar_down_arrow
;
3957 emacs_event
->part
= scroll_bar_up_arrow
;
3960 emacs_event
->part
= scroll_bar_above_handle
;
3963 emacs_event
->part
= scroll_bar_below_handle
;
3966 emacs_event
->part
= scroll_bar_handle
;
3970 emacs_event
->part
= scroll_bar_handle
;
3974 case SB_THUMBPOSITION
:
3975 if (VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
)) <= 0xffff)
3976 y
= HIWORD (msg
->msg
.wParam
);
3978 emacs_event
->part
= scroll_bar_handle
;
3980 /* "Silently" update current position. */
3981 if (pfnSetScrollInfo
)
3985 si
.cbSize
= sizeof (si
);
3988 /* Remember apparent position (we actually lag behind the real
3989 position, so don't set that directly. */
3990 last_scroll_bar_drag_pos
= y
;
3992 pfnSetScrollInfo (SCROLL_BAR_W32_WINDOW (bar
), SB_CTL
, &si
, FALSE
);
3995 SetScrollPos (SCROLL_BAR_W32_WINDOW (bar
), SB_CTL
, y
, FALSE
);
3998 /* If this is the end of a drag sequence, then reset the scroll
3999 handle size to normal and do a final redraw. Otherwise do
4003 if (pfnSetScrollInfo
)
4006 int start
= XINT (bar
->start
);
4007 int end
= XINT (bar
->end
);
4009 si
.cbSize
= sizeof (si
);
4010 si
.fMask
= SIF_PAGE
| SIF_POS
;
4011 si
.nPage
= end
- start
+ VERTICAL_SCROLL_BAR_MIN_HANDLE
;
4012 si
.nPos
= last_scroll_bar_drag_pos
;
4013 pfnSetScrollInfo (SCROLL_BAR_W32_WINDOW (bar
), SB_CTL
, &si
, TRUE
);
4016 SetScrollPos (SCROLL_BAR_W32_WINDOW (bar
), SB_CTL
, y
, TRUE
);
4020 emacs_event
->kind
= NO_EVENT
;
4024 XSETINT (emacs_event
->x
, y
);
4025 XSETINT (emacs_event
->y
, top_range
);
4031 /* Return information to the user about the current position of the mouse
4032 on the scroll bar. */
4035 x_scroll_bar_report_motion (fp
, bar_window
, part
, x
, y
, time
)
4037 Lisp_Object
*bar_window
;
4038 enum scroll_bar_part
*part
;
4040 unsigned long *time
;
4042 struct scroll_bar
*bar
= XSCROLL_BAR (last_mouse_scroll_bar
);
4043 Window w
= SCROLL_BAR_W32_WINDOW (bar
);
4044 FRAME_PTR f
= XFRAME (WINDOW_FRAME (XWINDOW (bar
->window
)));
4046 int top_range
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
));
4051 *bar_window
= bar
->window
;
4053 if (pfnGetScrollInfo
)
4057 si
.cbSize
= sizeof (si
);
4058 si
.fMask
= SIF_POS
| SIF_PAGE
| SIF_RANGE
;
4060 pfnGetScrollInfo (w
, SB_CTL
, &si
);
4062 top_range
= si
.nMax
- si
.nPage
+ 1;
4065 pos
= GetScrollPos (w
, SB_CTL
);
4067 switch (LOWORD (last_mouse_scroll_bar_pos
))
4069 case SB_THUMBPOSITION
:
4071 *part
= scroll_bar_handle
;
4072 if (VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
)) <= 0xffff)
4073 pos
= HIWORD (last_mouse_scroll_bar_pos
);
4076 *part
= scroll_bar_handle
;
4080 *part
= scroll_bar_handle
;
4085 XSETINT (*y
, top_range
);
4088 last_mouse_scroll_bar
= Qnil
;
4090 *time
= last_mouse_movement_time
;
4096 /* The screen has been cleared so we may have changed foreground or
4097 background colors, and the scroll bars may need to be redrawn.
4098 Clear out the scroll bars, and ask for expose events, so we can
4102 x_scroll_bar_clear (f
)
4107 /* We can have scroll bars even if this is 0,
4108 if we just turned off scroll bar mode.
4109 But in that case we should not clear them. */
4110 if (FRAME_HAS_VERTICAL_SCROLL_BARS (f
))
4111 for (bar
= FRAME_SCROLL_BARS (f
); VECTORP (bar
);
4112 bar
= XSCROLL_BAR (bar
)->next
)
4114 HWND window
= SCROLL_BAR_W32_WINDOW (XSCROLL_BAR (bar
));
4115 HDC hdc
= GetDC (window
);
4118 /* Hide scroll bar until ready to repaint. x_scroll_bar_move
4119 arranges to refresh the scroll bar if hidden. */
4120 my_show_window (f
, window
, SW_HIDE
);
4122 GetClientRect (window
, &rect
);
4123 select_palette (f
, hdc
);
4124 w32_clear_rect (f
, hdc
, &rect
);
4125 deselect_palette (f
, hdc
);
4127 ReleaseDC (window
, hdc
);
4132 /* The main W32 event-reading loop - w32_read_socket. */
4134 /* Record the last 100 characters stored
4135 to help debug the loss-of-chars-during-GC problem. */
4137 static int temp_index
;
4138 static short temp_buffer
[100];
4141 /* Read events coming from the W32 shell.
4142 This routine is called by the SIGIO handler.
4143 We return as soon as there are no more events to be read.
4145 We return the number of characters stored into the buffer,
4146 thus pretending to be `read'.
4148 EXPECTED is nonzero if the caller knows input is available.
4150 Some of these messages are reposted back to the message queue since the
4151 system calls the windows proc directly in a context where we cannot return
4152 the data nor can we guarantee the state we are in. So if we dispatch them
4153 we will get into an infinite loop. To prevent this from ever happening we
4154 will set a variable to indicate we are in the read_socket call and indicate
4155 which message we are processing since the windows proc gets called
4156 recursively with different messages by the system.
4160 w32_read_socket (sd
, expected
, hold_quit
)
4163 struct input_event
*hold_quit
;
4166 int check_visibility
= 0;
4169 struct w32_display_info
*dpyinfo
= &one_w32_display_info
;
4171 if (interrupt_input_blocked
)
4173 interrupt_input_pending
= 1;
4177 interrupt_input_pending
= 0;
4180 /* So people can tell when we have read the available input. */
4181 input_signal_count
++;
4183 /* TODO: ghostscript integration. */
4184 while (get_next_msg (&msg
, FALSE
))
4186 struct input_event inev
;
4190 inev
.kind
= NO_EVENT
;
4193 switch (msg
.msg
.message
)
4196 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4200 if (msg
.rect
.right
== msg
.rect
.left
||
4201 msg
.rect
.bottom
== msg
.rect
.top
)
4203 /* We may get paint messages even though the client
4204 area is clipped - these are not expose events. */
4205 DebPrint (("clipped frame %p (%s) got WM_PAINT - ignored\n", f
,
4208 else if (f
->async_visible
!= 1)
4210 /* Definitely not obscured, so mark as visible. */
4211 f
->async_visible
= 1;
4212 f
->async_iconified
= 0;
4213 SET_FRAME_GARBAGED (f
);
4214 DebPrint (("frame %p (%s) reexposed by WM_PAINT\n", f
,
4217 /* WM_PAINT serves as MapNotify as well, so report
4218 visibility changes properly. */
4221 inev
.kind
= DEICONIFY_EVENT
;
4222 XSETFRAME (inev
.frame_or_window
, f
);
4224 else if (! NILP (Vframe_list
)
4225 && ! NILP (XCDR (Vframe_list
)))
4226 /* Force a redisplay sooner or later to update the
4227 frame titles in case this is the second frame. */
4228 record_asynch_buffer_change ();
4232 HDC hdc
= get_frame_dc (f
);
4234 /* Erase background again for safety. */
4235 w32_clear_rect (f
, hdc
, &msg
.rect
);
4236 release_frame_dc (f
, hdc
);
4240 msg
.rect
.right
- msg
.rect
.left
,
4241 msg
.rect
.bottom
- msg
.rect
.top
);
4246 case WM_INPUTLANGCHANGE
:
4247 /* Generate a language change event. */
4248 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4252 inev
.kind
= LANGUAGE_CHANGE_EVENT
;
4253 XSETFRAME (inev
.frame_or_window
, f
);
4254 inev
.code
= msg
.msg
.wParam
;
4255 inev
.modifiers
= msg
.msg
.lParam
& 0xffff;
4261 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4263 if (f
&& !f
->iconified
)
4265 if (!dpyinfo
->mouse_face_hidden
&& INTEGERP (Vmouse_highlight
))
4267 clear_mouse_face (dpyinfo
);
4268 dpyinfo
->mouse_face_hidden
= 1;
4271 if (temp_index
== sizeof temp_buffer
/ sizeof (short))
4273 temp_buffer
[temp_index
++] = msg
.msg
.wParam
;
4274 inev
.kind
= NON_ASCII_KEYSTROKE_EVENT
;
4275 inev
.code
= msg
.msg
.wParam
;
4276 inev
.modifiers
= msg
.dwModifiers
;
4277 XSETFRAME (inev
.frame_or_window
, f
);
4278 inev
.timestamp
= msg
.msg
.time
;
4284 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4286 if (f
&& !f
->iconified
)
4288 if (!dpyinfo
->mouse_face_hidden
&& INTEGERP (Vmouse_highlight
))
4290 clear_mouse_face (dpyinfo
);
4291 dpyinfo
->mouse_face_hidden
= 1;
4294 if (temp_index
== sizeof temp_buffer
/ sizeof (short))
4296 temp_buffer
[temp_index
++] = msg
.msg
.wParam
;
4297 inev
.kind
= ASCII_KEYSTROKE_EVENT
;
4298 inev
.code
= msg
.msg
.wParam
;
4299 inev
.modifiers
= msg
.dwModifiers
;
4300 XSETFRAME (inev
.frame_or_window
, f
);
4301 inev
.timestamp
= msg
.msg
.time
;
4306 /* Ignore non-movement. */
4308 int x
= LOWORD (msg
.msg
.lParam
);
4309 int y
= HIWORD (msg
.msg
.lParam
);
4310 if (x
== last_mousemove_x
&& y
== last_mousemove_y
)
4312 last_mousemove_x
= x
;
4313 last_mousemove_y
= y
;
4316 previous_help_echo_string
= help_echo_string
;
4318 if (dpyinfo
->grabbed
&& last_mouse_frame
4319 && FRAME_LIVE_P (last_mouse_frame
))
4320 f
= last_mouse_frame
;
4322 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4324 if (dpyinfo
->mouse_face_hidden
)
4326 dpyinfo
->mouse_face_hidden
= 0;
4327 clear_mouse_face (dpyinfo
);
4332 /* Generate SELECT_WINDOW_EVENTs when needed. */
4333 if (mouse_autoselect_window
)
4336 int x
= LOWORD (msg
.msg
.lParam
);
4337 int y
= HIWORD (msg
.msg
.lParam
);
4339 window
= window_from_coordinates (f
, x
, y
, 0, 0, 0, 0);
4341 /* Window will be selected only when it is not
4342 selected now and last mouse movement event was
4343 not in it. Minibuffer window will be selected
4344 iff it is active. */
4346 && !EQ (window
, last_window
)
4347 && !EQ (window
, selected_window
))
4349 inev
.kind
= SELECT_WINDOW_EVENT
;
4350 inev
.frame_or_window
= window
;
4355 note_mouse_movement (f
, &msg
.msg
);
4359 /* If we move outside the frame, then we're
4360 certainly no longer on any text in the frame. */
4361 clear_mouse_face (dpyinfo
);
4364 /* If the contents of the global variable help_echo_string
4365 has changed, generate a HELP_EVENT. */
4366 #if 0 /* The below is an invalid comparison when USE_LISP_UNION_TYPE.
4367 But it was originally changed to this to fix a bug, so I have
4368 not removed it completely in case the bug is still there. */
4369 if (help_echo_string
!= previous_help_echo_string
||
4370 (!NILP (help_echo_string
) && !STRINGP (help_echo_string
) && f
->mouse_moved
))
4371 #else /* This is what xterm.c does. */
4372 if (!NILP (help_echo_string
)
4373 || !NILP (previous_help_echo_string
))
4378 case WM_LBUTTONDOWN
:
4380 case WM_MBUTTONDOWN
:
4382 case WM_RBUTTONDOWN
:
4384 case WM_XBUTTONDOWN
:
4387 /* If we decide we want to generate an event to be seen
4388 by the rest of Emacs, we put it here. */
4393 if (dpyinfo
->grabbed
&& last_mouse_frame
4394 && FRAME_LIVE_P (last_mouse_frame
))
4395 f
= last_mouse_frame
;
4397 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4401 construct_mouse_click (&inev
, &msg
, f
);
4403 /* Is this in the tool-bar? */
4404 if (WINDOWP (f
->tool_bar_window
)
4405 && WINDOW_TOTAL_LINES (XWINDOW (f
->tool_bar_window
)))
4408 int x
= XFASTINT (inev
.x
);
4409 int y
= XFASTINT (inev
.y
);
4411 window
= window_from_coordinates (f
, x
, y
, 0, 0, 0, 1);
4413 if (EQ (window
, f
->tool_bar_window
))
4415 w32_handle_tool_bar_click (f
, &inev
);
4421 || (dpyinfo
->w32_focus_frame
4422 && f
!= dpyinfo
->w32_focus_frame
))
4423 inev
.kind
= NO_EVENT
;
4426 parse_button (msg
.msg
.message
, HIWORD (msg
.msg
.wParam
),
4431 dpyinfo
->grabbed
&= ~ (1 << button
);
4435 dpyinfo
->grabbed
|= (1 << button
);
4436 last_mouse_frame
= f
;
4437 /* Ignore any mouse motion that happened
4438 before this event; any subsequent mouse-movement
4439 Emacs events should reflect only motion after
4445 last_tool_bar_item
= -1;
4452 if (dpyinfo
->grabbed
&& last_mouse_frame
4453 && FRAME_LIVE_P (last_mouse_frame
))
4454 f
= last_mouse_frame
;
4456 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4461 if (!dpyinfo
->w32_focus_frame
4462 || f
== dpyinfo
->w32_focus_frame
)
4464 /* Emit an Emacs wheel-up/down event. */
4465 construct_mouse_wheel (&inev
, &msg
, f
);
4467 /* Ignore any mouse motion that happened before this
4468 event; any subsequent mouse-movement Emacs events
4469 should reflect only motion after the
4473 last_mouse_frame
= f
;
4474 last_tool_bar_item
= -1;
4479 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4482 construct_drag_n_drop (&inev
, &msg
, f
);
4487 struct scroll_bar
*bar
=
4488 x_window_to_scroll_bar ((HWND
)msg
.msg
.lParam
);
4491 w32_scroll_bar_handle_click (bar
, &msg
, &inev
);
4495 case WM_WINDOWPOSCHANGED
:
4496 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4499 if (f
->want_fullscreen
& FULLSCREEN_WAIT
)
4500 f
->want_fullscreen
&= ~(FULLSCREEN_WAIT
|FULLSCREEN_BOTH
);
4502 check_visibility
= 1;
4506 case WM_ACTIVATEAPP
:
4507 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4509 x_check_fullscreen (f
);
4510 check_visibility
= 1;
4514 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4516 if (f
&& !f
->async_iconified
)
4520 x_real_positions (f
, &x
, &y
);
4525 check_visibility
= 1;
4529 /* wParam non-zero means Window is about to be shown, 0 means
4530 about to be hidden. */
4531 /* Redo the mouse-highlight after the tooltip has gone. */
4532 if (!msg
.msg
.wParam
&& msg
.msg
.hwnd
== tip_window
)
4535 redo_mouse_highlight ();
4538 /* If window has been obscured or exposed by another window
4539 being maximised or minimised/restored, then recheck
4540 visibility of all frames. Direct changes to our own
4541 windows get handled by WM_SIZE. */
4543 if (msg
.msg
.lParam
!= 0)
4544 check_visibility
= 1;
4547 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4548 f
->async_visible
= msg
.msg
.wParam
;
4552 check_visibility
= 1;
4556 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4558 /* Inform lisp of whether frame has been iconified etc. */
4561 switch (msg
.msg
.wParam
)
4563 case SIZE_MINIMIZED
:
4564 f
->async_visible
= 0;
4565 f
->async_iconified
= 1;
4567 inev
.kind
= ICONIFY_EVENT
;
4568 XSETFRAME (inev
.frame_or_window
, f
);
4571 case SIZE_MAXIMIZED
:
4573 f
->async_visible
= 1;
4574 f
->async_iconified
= 0;
4576 /* wait_reading_process_output will notice this and update
4577 the frame's display structures. */
4578 SET_FRAME_GARBAGED (f
);
4584 /* Reset top and left positions of the Window
4585 here since Windows sends a WM_MOVE message
4586 BEFORE telling us the Window is minimized
4587 when the Window is iconified, with 3000,3000
4589 x_real_positions (f
, &x
, &y
);
4593 inev
.kind
= DEICONIFY_EVENT
;
4594 XSETFRAME (inev
.frame_or_window
, f
);
4596 else if (! NILP (Vframe_list
)
4597 && ! NILP (XCDR (Vframe_list
)))
4598 /* Force a redisplay sooner or later
4599 to update the frame titles
4600 in case this is the second frame. */
4601 record_asynch_buffer_change ();
4606 if (f
&& !f
->async_iconified
&& msg
.msg
.wParam
!= SIZE_MINIMIZED
)
4614 GetClientRect (msg
.msg
.hwnd
, &rect
);
4616 height
= rect
.bottom
- rect
.top
;
4617 width
= rect
.right
- rect
.left
;
4619 rows
= FRAME_PIXEL_HEIGHT_TO_TEXT_LINES (f
, height
);
4620 columns
= FRAME_PIXEL_WIDTH_TO_TEXT_COLS (f
, width
);
4622 /* TODO: Clip size to the screen dimensions. */
4624 /* Even if the number of character rows and columns has
4625 not changed, the font size may have changed, so we need
4626 to check the pixel dimensions as well. */
4628 if (columns
!= FRAME_COLS (f
)
4629 || rows
!= FRAME_LINES (f
)
4630 || width
!= FRAME_PIXEL_WIDTH (f
)
4631 || height
!= FRAME_PIXEL_HEIGHT (f
))
4633 change_frame_size (f
, rows
, columns
, 0, 1, 0);
4634 SET_FRAME_GARBAGED (f
);
4635 cancel_mouse_face (f
);
4636 FRAME_PIXEL_WIDTH (f
) = width
;
4637 FRAME_PIXEL_HEIGHT (f
) = height
;
4638 f
->win_gravity
= NorthWestGravity
;
4642 check_visibility
= 1;
4646 f
= x_any_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4649 if (f
== dpyinfo
->mouse_face_mouse_frame
)
4651 /* If we move outside the frame, then we're
4652 certainly no longer on any text in the frame. */
4653 clear_mouse_face (dpyinfo
);
4654 dpyinfo
->mouse_face_mouse_frame
= 0;
4657 /* Generate a nil HELP_EVENT to cancel a help-echo.
4658 Do it only if there's something to cancel.
4659 Otherwise, the startup message is cleared when
4660 the mouse leaves the frame. */
4661 if (any_help_event_p
)
4667 w32_detect_focus_change (dpyinfo
, &msg
, &inev
);
4669 dpyinfo
->grabbed
= 0;
4670 check_visibility
= 1;
4674 f
= x_top_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4678 if (f
== dpyinfo
->w32_focus_event_frame
)
4679 dpyinfo
->w32_focus_event_frame
= 0;
4681 if (f
== dpyinfo
->w32_focus_frame
)
4682 x_new_focus_frame (dpyinfo
, 0);
4684 if (f
== dpyinfo
->mouse_face_mouse_frame
)
4686 /* If we move outside the frame, then we're
4687 certainly no longer on any text in the frame. */
4688 clear_mouse_face (dpyinfo
);
4689 dpyinfo
->mouse_face_mouse_frame
= 0;
4692 /* Generate a nil HELP_EVENT to cancel a help-echo.
4693 Do it only if there's something to cancel.
4694 Otherwise, the startup message is cleared when
4695 the mouse leaves the frame. */
4696 if (any_help_event_p
)
4700 dpyinfo
->grabbed
= 0;
4701 check_visibility
= 1;
4705 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4709 inev
.kind
= DELETE_WINDOW_EVENT
;
4710 XSETFRAME (inev
.frame_or_window
, f
);
4715 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4719 inev
.kind
= MENU_BAR_ACTIVATE_EVENT
;
4720 XSETFRAME (inev
.frame_or_window
, f
);
4725 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4729 extern void menubar_selection_callback
4730 (FRAME_PTR f
, void * client_data
);
4731 menubar_selection_callback (f
, (void *)msg
.msg
.wParam
);
4734 check_visibility
= 1;
4737 case WM_DISPLAYCHANGE
:
4738 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4742 dpyinfo
->width
= (short) LOWORD (msg
.msg
.lParam
);
4743 dpyinfo
->height
= (short) HIWORD (msg
.msg
.lParam
);
4744 dpyinfo
->n_cbits
= msg
.msg
.wParam
;
4745 DebPrint (("display change: %d %d\n", dpyinfo
->width
,
4749 check_visibility
= 1;
4753 /* Check for messages registered at runtime. */
4754 if (msg
.msg
.message
== msh_mousewheel
)
4756 /* Forward MSH_MOUSEWHEEL as WM_MOUSEWHEEL. */
4757 msg
.msg
.message
= WM_MOUSEWHEEL
;
4763 if (inev
.kind
!= NO_EVENT
)
4765 kbd_buffer_store_event_hold (&inev
, hold_quit
);
4770 && !(hold_quit
&& hold_quit
->kind
!= NO_EVENT
))
4775 XSETFRAME (frame
, f
);
4781 if (NILP (help_echo_string
))
4783 help_echo_object
= help_echo_window
= Qnil
;
4787 any_help_event_p
= 1;
4788 gen_help_event (help_echo_string
, frame
, help_echo_window
,
4789 help_echo_object
, help_echo_pos
);
4793 help_echo_string
= Qnil
;
4794 gen_help_event (Qnil
, frame
, Qnil
, Qnil
, 0);
4800 /* If the focus was just given to an autoraising frame,
4802 /* ??? This ought to be able to handle more than one such frame. */
4803 if (pending_autoraise_frame
)
4805 x_raise_frame (pending_autoraise_frame
);
4806 pending_autoraise_frame
= 0;
4809 /* Check which frames are still visisble, if we have enqueued any user
4810 events or been notified of events that may affect visibility. We
4811 do this here because there doesn't seem to be any direct
4812 notification from Windows that the visibility of a window has
4813 changed (at least, not in all cases). */
4814 if (count
> 0 || check_visibility
)
4816 Lisp_Object tail
, frame
;
4818 FOR_EACH_FRAME (tail
, frame
)
4820 FRAME_PTR f
= XFRAME (frame
);
4821 /* The tooltip has been drawn already. Avoid the
4822 SET_FRAME_GARBAGED below. */
4823 if (EQ (frame
, tip_frame
))
4826 /* Check "visible" frames and mark each as obscured or not.
4827 Note that async_visible is nonzero for unobscured and
4828 obscured frames, but zero for hidden and iconified frames. */
4829 if (FRAME_W32_P (f
) && f
->async_visible
)
4835 /* Query clipping rectangle for the entire window area
4836 (GetWindowDC), not just the client portion (GetDC).
4837 Otherwise, the scrollbars and menubar aren't counted as
4838 part of the visible area of the frame, and we may think
4839 the frame is obscured when really a scrollbar is still
4840 visible and gets WM_PAINT messages above. */
4841 hdc
= GetWindowDC (FRAME_W32_WINDOW (f
));
4842 GetClipBox (hdc
, &clipbox
);
4843 ReleaseDC (FRAME_W32_WINDOW (f
), hdc
);
4846 if (clipbox
.right
== clipbox
.left
4847 || clipbox
.bottom
== clipbox
.top
)
4849 /* Frame has become completely obscured so mark as
4850 such (we do this by setting async_visible to 2 so
4851 that FRAME_VISIBLE_P is still true, but redisplay
4853 f
->async_visible
= 2;
4855 if (!FRAME_OBSCURED_P (f
))
4857 DebPrint (("frame %p (%s) obscured\n", f
,
4863 /* Frame is not obscured, so mark it as such. */
4864 f
->async_visible
= 1;
4866 if (FRAME_OBSCURED_P (f
))
4868 SET_FRAME_GARBAGED (f
);
4869 DebPrint (("obscured frame %p (%s) found to be visible\n", f
,
4872 /* Force a redisplay sooner or later. */
4873 record_asynch_buffer_change ();
4886 /***********************************************************************
4888 ***********************************************************************/
4890 /* Set clipping for output in glyph row ROW. W is the window in which
4891 we operate. GC is the graphics context to set clipping in.
4893 ROW may be a text row or, e.g., a mode line. Text rows must be
4894 clipped to the interior of the window dedicated to text display,
4895 mode lines must be clipped to the whole window. */
4898 w32_clip_to_row (w
, row
, area
, hdc
)
4900 struct glyph_row
*row
;
4904 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
4906 int window_x
, window_y
, window_width
;
4908 window_box (w
, area
, &window_x
, &window_y
, &window_width
, 0);
4910 clip_rect
.left
= window_x
;
4911 clip_rect
.top
= WINDOW_TO_FRAME_PIXEL_Y (w
, row
->y
);
4912 clip_rect
.top
= max (clip_rect
.top
, window_y
);
4913 clip_rect
.right
= clip_rect
.left
+ window_width
;
4914 clip_rect
.bottom
= clip_rect
.top
+ row
->visible_height
;
4916 w32_set_clip_rectangle (hdc
, &clip_rect
);
4920 /* Draw a hollow box cursor on window W in glyph row ROW. */
4923 x_draw_hollow_cursor (w
, row
)
4925 struct glyph_row
*row
;
4927 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
4931 struct glyph
*cursor_glyph
;
4932 HBRUSH hb
= CreateSolidBrush (f
->output_data
.w32
->cursor_pixel
);
4934 /* Get the glyph the cursor is on. If we can't tell because
4935 the current matrix is invalid or such, give up. */
4936 cursor_glyph
= get_phys_cursor_glyph (w
);
4937 if (cursor_glyph
== NULL
)
4940 /* Compute frame-relative coordinates for phys cursor. */
4941 rect
.left
= WINDOW_TEXT_TO_FRAME_PIXEL_X (w
, w
->phys_cursor
.x
);
4942 rect
.top
= get_phys_cursor_geometry (w
, row
, cursor_glyph
, &h
);
4943 rect
.bottom
= rect
.top
+ h
;
4944 rect
.right
= rect
.left
+ w
->phys_cursor_width
;
4946 hdc
= get_frame_dc (f
);
4947 /* Set clipping, draw the rectangle, and reset clipping again. */
4948 w32_clip_to_row (w
, row
, TEXT_AREA
, hdc
);
4949 FrameRect (hdc
, &rect
, hb
);
4951 w32_set_clip_rectangle (hdc
, NULL
);
4952 release_frame_dc (f
, hdc
);
4956 /* Draw a bar cursor on window W in glyph row ROW.
4958 Implementation note: One would like to draw a bar cursor with an
4959 angle equal to the one given by the font property XA_ITALIC_ANGLE.
4960 Unfortunately, I didn't find a font yet that has this property set.
4964 x_draw_bar_cursor (w
, row
, width
, kind
)
4966 struct glyph_row
*row
;
4968 enum text_cursor_kinds kind
;
4970 struct frame
*f
= XFRAME (w
->frame
);
4971 struct glyph
*cursor_glyph
;
4975 /* If cursor is out of bounds, don't draw garbage. This can happen
4976 in mini-buffer windows when switching between echo area glyphs
4978 cursor_glyph
= get_phys_cursor_glyph (w
);
4979 if (cursor_glyph
== NULL
)
4982 /* If on an image, draw like a normal cursor. That's usually better
4983 visible than drawing a bar, esp. if the image is large so that
4984 the bar might not be in the window. */
4985 if (cursor_glyph
->type
== IMAGE_GLYPH
)
4987 struct glyph_row
*row
;
4988 row
= MATRIX_ROW (w
->current_matrix
, w
->phys_cursor
.vpos
);
4989 draw_phys_cursor_glyph (w
, row
, DRAW_CURSOR
);
4993 COLORREF cursor_color
= f
->output_data
.w32
->cursor_pixel
;
4994 struct face
*face
= FACE_FROM_ID (f
, cursor_glyph
->face_id
);
4996 /* If the glyph's background equals the color we normally draw
4997 the bar cursor in, the bar cursor in its normal color is
4998 invisible. Use the glyph's foreground color instead in this
4999 case, on the assumption that the glyph's colors are chosen so
5000 that the glyph is legible. */
5001 if (face
->background
== cursor_color
)
5002 cursor_color
= face
->foreground
;
5004 x
= WINDOW_TEXT_TO_FRAME_PIXEL_X (w
, w
->phys_cursor
.x
);
5007 width
= FRAME_CURSOR_WIDTH (f
);
5008 width
= min (cursor_glyph
->pixel_width
, width
);
5010 w
->phys_cursor_width
= width
;
5013 hdc
= get_frame_dc (f
);
5014 w32_clip_to_row (w
, row
, TEXT_AREA
, hdc
);
5016 if (kind
== BAR_CURSOR
)
5018 w32_fill_area (f
, hdc
, cursor_color
, x
,
5019 WINDOW_TO_FRAME_PIXEL_Y (w
, w
->phys_cursor
.y
),
5020 width
, row
->height
);
5024 w32_fill_area (f
, hdc
, cursor_color
, x
,
5025 WINDOW_TO_FRAME_PIXEL_Y (w
, w
->phys_cursor
.y
+
5026 row
->height
- width
),
5027 cursor_glyph
->pixel_width
, width
);
5030 w32_set_clip_rectangle (hdc
, NULL
);
5031 release_frame_dc (f
, hdc
);
5036 /* RIF: Define cursor CURSOR on frame F. */
5039 w32_define_frame_cursor (f
, cursor
)
5043 w32_define_cursor (FRAME_W32_WINDOW (f
), cursor
);
5047 /* RIF: Clear area on frame F. */
5050 w32_clear_frame_area (f
, x
, y
, width
, height
)
5052 int x
, y
, width
, height
;
5056 hdc
= get_frame_dc (f
);
5057 w32_clear_area (f
, hdc
, x
, y
, width
, height
);
5058 release_frame_dc (f
, hdc
);
5061 /* RIF: Draw or clear cursor on window W. */
5064 w32_draw_window_cursor (w
, glyph_row
, x
, y
, cursor_type
, cursor_width
, on_p
, active_p
)
5066 struct glyph_row
*glyph_row
;
5068 int cursor_type
, cursor_width
;
5073 /* If the user wants to use the system caret, make sure our own
5074 cursor remains invisible. */
5075 if (w32_use_visible_system_caret
)
5077 /* Call to erase_phys_cursor here seems to use the
5078 wrong values of w->phys_cursor, as they have been
5079 overwritten before this function was called. */
5080 if (w
->phys_cursor_type
!= NO_CURSOR
)
5081 erase_phys_cursor (w
);
5083 cursor_type
= w
->phys_cursor_type
= NO_CURSOR
;
5084 w
->phys_cursor_width
= -1;
5088 w
->phys_cursor_type
= cursor_type
;
5091 w
->phys_cursor_on_p
= 1;
5093 /* If this is the active cursor, we need to track it with the
5094 system caret, so third party software like screen magnifiers
5095 and speech synthesizers can follow the cursor. */
5098 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
5099 HWND hwnd
= FRAME_W32_WINDOW (f
);
5102 = WINDOW_TEXT_TO_FRAME_PIXEL_X (w
, w
->phys_cursor
.x
);
5104 = (WINDOW_TO_FRAME_PIXEL_Y (w
, w
->phys_cursor
.y
)
5105 + glyph_row
->ascent
- w
->phys_cursor_ascent
);
5107 /* If the size of the active cursor changed, destroy the old
5109 if (w32_system_caret_hwnd
5110 && (w32_system_caret_height
!= w
->phys_cursor_height
))
5111 PostMessage (hwnd
, WM_EMACS_DESTROY_CARET
, 0, 0);
5113 w32_system_caret_height
= w
->phys_cursor_height
;
5115 /* Move the system caret. */
5116 PostMessage (hwnd
, WM_EMACS_TRACK_CARET
, 0, 0);
5119 if (glyph_row
->exact_window_width_line_p
5120 && w
->phys_cursor
.hpos
>= glyph_row
->used
[TEXT_AREA
])
5122 glyph_row
->cursor_in_fringe_p
= 1;
5123 draw_fringe_bitmap (w
, glyph_row
, 0);
5127 switch (cursor_type
)
5129 case HOLLOW_BOX_CURSOR
:
5130 x_draw_hollow_cursor (w
, glyph_row
);
5133 case FILLED_BOX_CURSOR
:
5134 draw_phys_cursor_glyph (w
, glyph_row
, DRAW_CURSOR
);
5138 x_draw_bar_cursor (w
, glyph_row
, cursor_width
, BAR_CURSOR
);
5142 x_draw_bar_cursor (w
, glyph_row
, cursor_width
, HBAR_CURSOR
);
5146 w
->phys_cursor_width
= 0;
5160 x_bitmap_icon (f
, icon
)
5165 HANDLE small_icon
= NULL
;
5167 if (FRAME_W32_WINDOW (f
) == 0)
5171 main_icon
= LoadIcon (hinst
, EMACS_CLASS
);
5172 else if (STRINGP (icon
))
5174 /* Load the main icon from the named file. */
5175 main_icon
= LoadImage (NULL
, (LPCTSTR
) SDATA (icon
), IMAGE_ICON
, 0, 0,
5176 LR_DEFAULTSIZE
| LR_LOADFROMFILE
);
5177 /* Try to load a small icon to go with it. */
5178 small_icon
= LoadImage (NULL
, (LPCSTR
) SDATA (icon
), IMAGE_ICON
,
5179 GetSystemMetrics (SM_CXSMICON
),
5180 GetSystemMetrics (SM_CYSMICON
),
5183 else if (SYMBOLP (icon
))
5187 if (EQ (icon
, intern ("application")))
5188 name
= (LPCTSTR
) IDI_APPLICATION
;
5189 else if (EQ (icon
, intern ("hand")))
5190 name
= (LPCTSTR
) IDI_HAND
;
5191 else if (EQ (icon
, intern ("question")))
5192 name
= (LPCTSTR
) IDI_QUESTION
;
5193 else if (EQ (icon
, intern ("exclamation")))
5194 name
= (LPCTSTR
) IDI_EXCLAMATION
;
5195 else if (EQ (icon
, intern ("asterisk")))
5196 name
= (LPCTSTR
) IDI_ASTERISK
;
5197 else if (EQ (icon
, intern ("winlogo")))
5198 name
= (LPCTSTR
) IDI_WINLOGO
;
5202 main_icon
= LoadIcon (NULL
, name
);
5207 if (main_icon
== NULL
)
5210 PostMessage (FRAME_W32_WINDOW (f
), WM_SETICON
, (WPARAM
) ICON_BIG
,
5211 (LPARAM
) main_icon
);
5213 /* If there is a small icon that goes with it, set that too. */
5215 PostMessage (FRAME_W32_WINDOW (f
), WM_SETICON
, (WPARAM
) ICON_SMALL
,
5216 (LPARAM
) small_icon
);
5222 /************************************************************************
5224 ************************************************************************/
5226 /* Display Error Handling functions not used on W32. Listing them here
5227 helps diff stay in step when comparing w32term.c with xterm.c.
5229 x_error_catcher (display, error)
5230 x_catch_errors (dpy)
5231 x_catch_errors_unwind (old_val)
5232 x_check_errors (dpy, format)
5233 x_had_errors_p (dpy)
5234 x_clear_errors (dpy)
5235 x_uncatch_errors (dpy, count)
5237 x_connection_signal (signalnum)
5238 x_connection_closed (dpy, error_message)
5239 x_error_quitter (display, error)
5240 x_error_handler (display, error)
5241 x_io_error_quitter (display)
5246 /* Changing the font of the frame. */
5248 /* Give frame F the font named FONTNAME as its default font, and
5249 return the full name of that font. FONTNAME may be a wildcard
5250 pattern; in that case, we choose some font that fits the pattern.
5251 The return value shows which font we chose. */
5254 x_new_font (f
, fontname
)
5256 register char *fontname
;
5258 struct font_info
*fontp
5259 = FS_LOAD_FONT (f
, 0, fontname
, -1);
5264 FRAME_FONT (f
) = (XFontStruct
*) (fontp
->font
);
5265 FRAME_BASELINE_OFFSET (f
) = fontp
->baseline_offset
;
5266 FRAME_FONTSET (f
) = -1;
5268 FRAME_COLUMN_WIDTH (f
) = fontp
->average_width
;
5269 FRAME_SPACE_WIDTH (f
) = fontp
->space_width
;
5270 FRAME_LINE_HEIGHT (f
) = FONT_HEIGHT (FRAME_FONT (f
));
5272 compute_fringe_widths (f
, 1);
5274 /* Compute the scroll bar width in character columns. */
5275 if (FRAME_CONFIG_SCROLL_BAR_WIDTH (f
) > 0)
5277 int wid
= FRAME_COLUMN_WIDTH (f
);
5278 FRAME_CONFIG_SCROLL_BAR_COLS (f
)
5279 = (FRAME_CONFIG_SCROLL_BAR_WIDTH (f
) + wid
-1) / wid
;
5283 int wid
= FRAME_COLUMN_WIDTH (f
);
5284 FRAME_CONFIG_SCROLL_BAR_COLS (f
) = (14 + wid
- 1) / wid
;
5287 /* Now make the frame display the given font. */
5288 if (FRAME_W32_WINDOW (f
) != 0)
5290 if (NILP (tip_frame
) || XFRAME (tip_frame
) != f
)
5291 x_set_window_size (f
, 0, FRAME_COLS (f
), FRAME_LINES (f
));
5294 return build_string (fontp
->full_name
);
5297 /* Give frame F the fontset named FONTSETNAME as its default font, and
5298 return the full name of that fontset. FONTSETNAME may be a wildcard
5299 pattern; in that case, we choose some fontset that fits the pattern.
5300 The return value shows which fontset we chose. */
5303 x_new_fontset (f
, fontsetname
)
5307 int fontset
= fs_query_fontset (build_string (fontsetname
), 0);
5313 if (FRAME_FONTSET (f
) == fontset
)
5314 /* This fontset is already set in frame F. There's nothing more
5316 return fontset_name (fontset
);
5318 result
= x_new_font (f
, (SDATA (fontset_ascii (fontset
))));
5320 if (!STRINGP (result
))
5321 /* Can't load ASCII font. */
5324 /* Since x_new_font doesn't update any fontset information, do it now. */
5325 FRAME_FONTSET(f
) = fontset
;
5327 return build_string (fontsetname
);
5331 /***********************************************************************
5332 TODO: W32 Input Methods
5333 ***********************************************************************/
5334 /* Listing missing functions from xterm.c helps diff stay in step.
5336 xim_destroy_callback (xim, client_data, call_data)
5337 xim_open_dpy (dpyinfo, resource_name)
5339 xim_instantiate_callback (display, client_data, call_data)
5340 xim_initialize (dpyinfo, resource_name)
5341 xim_close_dpy (dpyinfo)
5346 /* Calculate the absolute position in frame F
5347 from its current recorded position values and gravity. */
5350 x_calc_absolute_position (f
)
5353 int flags
= f
->size_hint_flags
;
5355 /* Treat negative positions as relative to the leftmost bottommost
5356 position that fits on the screen. */
5357 if (flags
& XNegative
)
5358 f
->left_pos
= (FRAME_W32_DISPLAY_INFO (f
)->width
5359 - FRAME_PIXEL_WIDTH (f
)
5362 if (flags
& YNegative
)
5363 f
->top_pos
= (FRAME_W32_DISPLAY_INFO (f
)->height
5364 - FRAME_PIXEL_HEIGHT (f
)
5366 /* The left_pos and top_pos
5367 are now relative to the top and left screen edges,
5368 so the flags should correspond. */
5369 f
->size_hint_flags
&= ~ (XNegative
| YNegative
);
5372 /* CHANGE_GRAVITY is 1 when calling from Fset_frame_position,
5373 to really change the position, and 0 when calling from
5374 x_make_frame_visible (in that case, XOFF and YOFF are the current
5375 position values). It is -1 when calling from x_set_frame_parameters,
5376 which means, do adjust for borders but don't change the gravity. */
5379 x_set_offset (f
, xoff
, yoff
, change_gravity
)
5381 register int xoff
, yoff
;
5384 int modified_top
, modified_left
;
5386 if (change_gravity
> 0)
5390 f
->size_hint_flags
&= ~ (XNegative
| YNegative
);
5392 f
->size_hint_flags
|= XNegative
;
5394 f
->size_hint_flags
|= YNegative
;
5395 f
->win_gravity
= NorthWestGravity
;
5397 x_calc_absolute_position (f
);
5400 x_wm_set_size_hint (f
, (long) 0, 0);
5402 modified_left
= f
->left_pos
;
5403 modified_top
= f
->top_pos
;
5405 my_set_window_pos (FRAME_W32_WINDOW (f
),
5407 modified_left
, modified_top
,
5409 SWP_NOZORDER
| SWP_NOSIZE
| SWP_NOACTIVATE
);
5414 /* Check if we need to resize the frame due to a fullscreen request.
5415 If so needed, resize the frame. */
5417 x_check_fullscreen (f
)
5420 if (f
->want_fullscreen
& FULLSCREEN_BOTH
)
5422 int width
, height
, ign
;
5424 x_real_positions (f
, &f
->left_pos
, &f
->top_pos
);
5426 x_fullscreen_adjust (f
, &width
, &height
, &ign
, &ign
);
5428 /* We do not need to move the window, it shall be taken care of
5429 when setting WM manager hints. */
5430 if (FRAME_COLS (f
) != width
|| FRAME_LINES (f
) != height
)
5432 change_frame_size (f
, height
, width
, 0, 1, 0);
5433 SET_FRAME_GARBAGED (f
);
5434 cancel_mouse_face (f
);
5436 /* Wait for the change of frame size to occur */
5437 f
->want_fullscreen
|= FULLSCREEN_WAIT
;
5442 /* Call this to change the size of frame F's x-window.
5443 If CHANGE_GRAVITY is 1, we change to top-left-corner window gravity
5444 for this size change and subsequent size changes.
5445 Otherwise we leave the window gravity unchanged. */
5448 x_set_window_size (f
, change_gravity
, cols
, rows
)
5453 int pixelwidth
, pixelheight
;
5457 check_frame_size (f
, &rows
, &cols
);
5458 f
->scroll_bar_actual_width
5459 = FRAME_SCROLL_BAR_COLS (f
) * FRAME_COLUMN_WIDTH (f
);
5461 compute_fringe_widths (f
, 0);
5463 pixelwidth
= FRAME_TEXT_COLS_TO_PIXEL_WIDTH (f
, cols
);
5464 pixelheight
= FRAME_TEXT_LINES_TO_PIXEL_HEIGHT (f
, rows
);
5466 f
->win_gravity
= NorthWestGravity
;
5467 x_wm_set_size_hint (f
, (long) 0, 0);
5472 rect
.left
= rect
.top
= 0;
5473 rect
.right
= pixelwidth
;
5474 rect
.bottom
= pixelheight
;
5476 AdjustWindowRect(&rect
, f
->output_data
.w32
->dwStyle
,
5477 FRAME_EXTERNAL_MENU_BAR (f
));
5479 my_set_window_pos (FRAME_W32_WINDOW (f
),
5482 rect
.right
- rect
.left
,
5483 rect
.bottom
- rect
.top
,
5484 SWP_NOZORDER
| SWP_NOMOVE
| SWP_NOACTIVATE
);
5487 /* Now, strictly speaking, we can't be sure that this is accurate,
5488 but the window manager will get around to dealing with the size
5489 change request eventually, and we'll hear how it went when the
5490 ConfigureNotify event gets here.
5492 We could just not bother storing any of this information here,
5493 and let the ConfigureNotify event set everything up, but that
5494 might be kind of confusing to the Lisp code, since size changes
5495 wouldn't be reported in the frame parameters until some random
5496 point in the future when the ConfigureNotify event arrives.
5498 We pass 1 for DELAY since we can't run Lisp code inside of
5500 change_frame_size (f
, rows
, cols
, 0, 1, 0);
5501 FRAME_PIXEL_WIDTH (f
) = pixelwidth
;
5502 FRAME_PIXEL_HEIGHT (f
) = pixelheight
;
5504 /* We've set {FRAME,PIXEL}_{WIDTH,HEIGHT} to the values we hope to
5505 receive in the ConfigureNotify event; if we get what we asked
5506 for, then the event won't cause the screen to become garbaged, so
5507 we have to make sure to do it here. */
5508 SET_FRAME_GARBAGED (f
);
5510 /* If cursor was outside the new size, mark it as off. */
5511 mark_window_cursors_off (XWINDOW (f
->root_window
));
5513 /* Clear out any recollection of where the mouse highlighting was,
5514 since it might be in a place that's outside the new frame size.
5515 Actually checking whether it is outside is a pain in the neck,
5516 so don't try--just let the highlighting be done afresh with new size. */
5517 cancel_mouse_face (f
);
5522 /* Mouse warping. */
5524 void x_set_mouse_pixel_position (struct frame
*f
, int pix_x
, int pix_y
);
5527 x_set_mouse_position (f
, x
, y
)
5533 pix_x
= FRAME_COL_TO_PIXEL_X (f
, x
) + FRAME_COLUMN_WIDTH (f
) / 2;
5534 pix_y
= FRAME_LINE_TO_PIXEL_Y (f
, y
) + FRAME_LINE_HEIGHT (f
) / 2;
5536 if (pix_x
< 0) pix_x
= 0;
5537 if (pix_x
> FRAME_PIXEL_WIDTH (f
)) pix_x
= FRAME_PIXEL_WIDTH (f
);
5539 if (pix_y
< 0) pix_y
= 0;
5540 if (pix_y
> FRAME_PIXEL_HEIGHT (f
)) pix_y
= FRAME_PIXEL_HEIGHT (f
);
5542 x_set_mouse_pixel_position (f
, pix_x
, pix_y
);
5546 x_set_mouse_pixel_position (f
, pix_x
, pix_y
)
5555 GetClientRect (FRAME_W32_WINDOW (f
), &rect
);
5556 pt
.x
= rect
.left
+ pix_x
;
5557 pt
.y
= rect
.top
+ pix_y
;
5558 ClientToScreen (FRAME_W32_WINDOW (f
), &pt
);
5560 SetCursorPos (pt
.x
, pt
.y
);
5566 /* focus shifting, raising and lowering. */
5569 x_focus_on_frame (f
)
5572 struct w32_display_info
*dpyinfo
= &one_w32_display_info
;
5574 /* Give input focus to frame. */
5577 /* Try not to change its Z-order if possible. */
5578 if (x_window_to_frame (dpyinfo
, GetForegroundWindow ()))
5579 my_set_focus (f
, FRAME_W32_WINDOW (f
));
5582 my_set_foreground_window (FRAME_W32_WINDOW (f
));
5592 /* Raise frame F. */
5599 /* Strictly speaking, raise-frame should only change the frame's Z
5600 order, leaving input focus unchanged. This is reasonable behaviour
5601 on X where the usual policy is point-to-focus. However, this
5602 behaviour would be very odd on Windows where the usual policy is
5605 On X, if the mouse happens to be over the raised frame, it gets
5606 input focus anyway (so the window with focus will never be
5607 completely obscured) - if not, then just moving the mouse over it
5608 is sufficient to give it focus. On Windows, the user must actually
5609 click on the frame (preferrably the title bar so as not to move
5610 point), which is more awkward. Also, no other Windows program
5611 raises a window to the top but leaves another window (possibly now
5612 completely obscured) with input focus.
5614 Because there is a system setting on Windows that allows the user
5615 to choose the point to focus policy, we make the strict semantics
5616 optional, but by default we grab focus when raising. */
5618 if (NILP (Vw32_grab_focus_on_raise
))
5620 /* The obvious call to my_set_window_pos doesn't work if Emacs is
5621 not already the foreground application: the frame is raised
5622 above all other frames belonging to us, but not above the
5623 current top window. To achieve that, we have to resort to this
5624 more cumbersome method. */
5626 HDWP handle
= BeginDeferWindowPos (2);
5629 DeferWindowPos (handle
,
5630 FRAME_W32_WINDOW (f
),
5633 SWP_NOSIZE
| SWP_NOMOVE
| SWP_NOACTIVATE
);
5635 DeferWindowPos (handle
,
5636 GetForegroundWindow (),
5637 FRAME_W32_WINDOW (f
),
5639 SWP_NOSIZE
| SWP_NOMOVE
| SWP_NOACTIVATE
);
5641 EndDeferWindowPos (handle
);
5646 my_set_foreground_window (FRAME_W32_WINDOW (f
));
5652 /* Lower frame F. */
5658 my_set_window_pos (FRAME_W32_WINDOW (f
),
5661 SWP_NOSIZE
| SWP_NOMOVE
| SWP_NOACTIVATE
);
5666 w32_frame_raise_lower (f
, raise_flag
)
5670 if (! FRAME_W32_P (f
))
5679 /* Change of visibility. */
5681 /* This tries to wait until the frame is really visible.
5682 However, if the window manager asks the user where to position
5683 the frame, this will return before the user finishes doing that.
5684 The frame will not actually be visible at that time,
5685 but it will become visible later when the window manager
5686 finishes with it. */
5689 x_make_frame_visible (f
)
5696 type
= x_icon_type (f
);
5698 x_bitmap_icon (f
, type
);
5700 if (! FRAME_VISIBLE_P (f
))
5702 /* We test FRAME_GARBAGED_P here to make sure we don't
5703 call x_set_offset a second time
5704 if we get to x_make_frame_visible a second time
5705 before the window gets really visible. */
5706 if (! FRAME_ICONIFIED_P (f
)
5707 && ! f
->output_data
.w32
->asked_for_visible
)
5708 x_set_offset (f
, f
->left_pos
, f
->top_pos
, 0);
5710 f
->output_data
.w32
->asked_for_visible
= 1;
5712 /* my_show_window (f, FRAME_W32_WINDOW (f), f->async_iconified ? SW_RESTORE : SW_SHOW); */
5713 my_show_window (f
, FRAME_W32_WINDOW (f
), SW_SHOWNORMAL
);
5716 /* Synchronize to ensure Emacs knows the frame is visible
5717 before we do anything else. We do this loop with input not blocked
5718 so that incoming events are handled. */
5723 /* This must come after we set COUNT. */
5726 XSETFRAME (frame
, f
);
5728 /* Wait until the frame is visible. Process X events until a
5729 MapNotify event has been seen, or until we think we won't get a
5730 MapNotify at all.. */
5731 for (count
= input_signal_count
+ 10;
5732 input_signal_count
< count
&& !FRAME_VISIBLE_P (f
);)
5734 /* Force processing of queued events. */
5735 /* TODO: x_sync equivalent? */
5737 /* Machines that do polling rather than SIGIO have been observed
5738 to go into a busy-wait here. So we'll fake an alarm signal
5739 to let the handler know that there's something to be read.
5740 We used to raise a real alarm, but it seems that the handler
5741 isn't always enabled here. This is probably a bug. */
5742 if (input_polling_used ())
5744 /* It could be confusing if a real alarm arrives while processing
5745 the fake one. Turn it off and let the handler reset it. */
5746 int old_poll_suppress_count
= poll_suppress_count
;
5747 poll_suppress_count
= 1;
5748 poll_for_input_1 ();
5749 poll_suppress_count
= old_poll_suppress_count
;
5752 FRAME_SAMPLE_VISIBILITY (f
);
5756 /* Change from mapped state to withdrawn state. */
5758 /* Make the frame visible (mapped and not iconified). */
5760 x_make_frame_invisible (f
)
5763 /* Don't keep the highlight on an invisible frame. */
5764 if (FRAME_W32_DISPLAY_INFO (f
)->x_highlight_frame
== f
)
5765 FRAME_W32_DISPLAY_INFO (f
)->x_highlight_frame
= 0;
5769 my_show_window (f
, FRAME_W32_WINDOW (f
), SW_HIDE
);
5771 /* We can't distinguish this from iconification
5772 just by the event that we get from the server.
5773 So we can't win using the usual strategy of letting
5774 FRAME_SAMPLE_VISIBILITY set this. So do it by hand,
5775 and synchronize with the server to make sure we agree. */
5777 FRAME_ICONIFIED_P (f
) = 0;
5778 f
->async_visible
= 0;
5779 f
->async_iconified
= 0;
5784 /* Change window state from mapped to iconified. */
5792 /* Don't keep the highlight on an invisible frame. */
5793 if (FRAME_W32_DISPLAY_INFO (f
)->x_highlight_frame
== f
)
5794 FRAME_W32_DISPLAY_INFO (f
)->x_highlight_frame
= 0;
5796 if (f
->async_iconified
)
5801 type
= x_icon_type (f
);
5803 x_bitmap_icon (f
, type
);
5805 /* Simulate the user minimizing the frame. */
5806 SendMessage (FRAME_W32_WINDOW (f
), WM_SYSCOMMAND
, SC_MINIMIZE
, 0);
5812 /* Free X resources of frame F. */
5815 x_free_frame_resources (f
)
5818 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
5822 if (FRAME_W32_WINDOW (f
))
5823 my_destroy_window (f
, FRAME_W32_WINDOW (f
));
5825 free_frame_menubar (f
);
5827 unload_color (f
, f
->output_data
.x
->foreground_pixel
);
5828 unload_color (f
, f
->output_data
.x
->background_pixel
);
5829 unload_color (f
, f
->output_data
.w32
->cursor_pixel
);
5830 unload_color (f
, f
->output_data
.w32
->cursor_foreground_pixel
);
5831 unload_color (f
, f
->output_data
.w32
->border_pixel
);
5832 unload_color (f
, f
->output_data
.w32
->mouse_pixel
);
5833 if (f
->output_data
.w32
->white_relief
.allocated_p
)
5834 unload_color (f
, f
->output_data
.w32
->white_relief
.pixel
);
5835 if (f
->output_data
.w32
->black_relief
.allocated_p
)
5836 unload_color (f
, f
->output_data
.w32
->black_relief
.pixel
);
5838 if (FRAME_FACE_CACHE (f
))
5839 free_frame_faces (f
);
5841 xfree (f
->output_data
.w32
);
5842 f
->output_data
.w32
= NULL
;
5844 if (f
== dpyinfo
->w32_focus_frame
)
5845 dpyinfo
->w32_focus_frame
= 0;
5846 if (f
== dpyinfo
->w32_focus_event_frame
)
5847 dpyinfo
->w32_focus_event_frame
= 0;
5848 if (f
== dpyinfo
->x_highlight_frame
)
5849 dpyinfo
->x_highlight_frame
= 0;
5851 if (f
== dpyinfo
->mouse_face_mouse_frame
)
5853 dpyinfo
->mouse_face_beg_row
5854 = dpyinfo
->mouse_face_beg_col
= -1;
5855 dpyinfo
->mouse_face_end_row
5856 = dpyinfo
->mouse_face_end_col
= -1;
5857 dpyinfo
->mouse_face_window
= Qnil
;
5858 dpyinfo
->mouse_face_deferred_gc
= 0;
5859 dpyinfo
->mouse_face_mouse_frame
= 0;
5866 /* Destroy the window of frame F. */
5868 x_destroy_window (f
)
5871 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
5873 x_free_frame_resources (f
);
5875 dpyinfo
->reference_count
--;
5879 /* Setting window manager hints. */
5881 /* Set the normal size hints for the window manager, for frame F.
5882 FLAGS is the flags word to use--or 0 meaning preserve the flags
5883 that the window now has.
5884 If USER_POSITION is nonzero, we set the USPosition
5885 flag (this is useful when FLAGS is 0). */
5887 x_wm_set_size_hint (f
, flags
, user_position
)
5892 Window window
= FRAME_W32_WINDOW (f
);
5896 SetWindowLong (window
, WND_FONTWIDTH_INDEX
, FRAME_COLUMN_WIDTH (f
));
5897 SetWindowLong (window
, WND_LINEHEIGHT_INDEX
, FRAME_LINE_HEIGHT (f
));
5898 SetWindowLong (window
, WND_BORDER_INDEX
, FRAME_INTERNAL_BORDER_WIDTH (f
));
5899 SetWindowLong (window
, WND_SCROLLBAR_INDEX
, f
->scroll_bar_actual_width
);
5904 /* Window manager things */
5906 x_wm_set_icon_position (f
, icon_x
, icon_y
)
5911 Window window
= FRAME_W32_WINDOW (f
);
5913 f
->display
.x
->wm_hints
.flags
|= IconPositionHint
;
5914 f
->display
.x
->wm_hints
.icon_x
= icon_x
;
5915 f
->display
.x
->wm_hints
.icon_y
= icon_y
;
5917 XSetWMHints (FRAME_X_DISPLAY (f
), window
, &f
->display
.x
->wm_hints
);
5922 /***********************************************************************
5924 ***********************************************************************/
5926 /* The following functions are listed here to help diff stay in step
5927 with xterm.c. See w32fns.c for definitions.
5929 x_get_font_info (f, font_idx)
5930 x_list_fonts (f, pattern, size, maxnames)
5936 /* Check that FONT is valid on frame F. It is if it can be found in F's
5940 x_check_font (f
, font
)
5945 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
5947 xassert (font
!= NULL
);
5949 for (i
= 0; i
< dpyinfo
->n_fonts
; i
++)
5950 if (dpyinfo
->font_table
[i
].name
5951 && font
== dpyinfo
->font_table
[i
].font
)
5954 xassert (i
< dpyinfo
->n_fonts
);
5957 #endif /* GLYPH_DEBUG != 0 */
5959 /* Set *W to the minimum width, *H to the minimum font height of FONT.
5960 Note: There are (broken) X fonts out there with invalid XFontStruct
5961 min_bounds contents. For example, handa@etl.go.jp reports that
5962 "-adobe-courier-medium-r-normal--*-180-*-*-m-*-iso8859-1" fonts
5963 have font->min_bounds.width == 0. */
5966 x_font_min_bounds (font
, w
, h
)
5971 * TODO: Windows does not appear to offer min bound, only
5972 * average and maximum width, and maximum height.
5974 *h
= FONT_HEIGHT (font
);
5975 *w
= FONT_WIDTH (font
);
5979 /* Compute the smallest character width and smallest font height over
5980 all fonts available on frame F. Set the members smallest_char_width
5981 and smallest_font_height in F's x_display_info structure to
5982 the values computed. Value is non-zero if smallest_font_height or
5983 smallest_char_width become smaller than they were before. */
5986 x_compute_min_glyph_bounds (f
)
5990 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
5992 int old_width
= dpyinfo
->smallest_char_width
;
5993 int old_height
= dpyinfo
->smallest_font_height
;
5995 dpyinfo
->smallest_font_height
= 100000;
5996 dpyinfo
->smallest_char_width
= 100000;
5998 for (i
= 0; i
< dpyinfo
->n_fonts
; ++i
)
5999 if (dpyinfo
->font_table
[i
].name
)
6001 struct font_info
*fontp
= dpyinfo
->font_table
+ i
;
6004 font
= (XFontStruct
*) fontp
->font
;
6005 xassert (font
!= (XFontStruct
*) ~0);
6006 x_font_min_bounds (font
, &w
, &h
);
6008 dpyinfo
->smallest_font_height
= min (dpyinfo
->smallest_font_height
, h
);
6009 dpyinfo
->smallest_char_width
= min (dpyinfo
->smallest_char_width
, w
);
6012 xassert (dpyinfo
->smallest_char_width
> 0
6013 && dpyinfo
->smallest_font_height
> 0);
6015 return (dpyinfo
->n_fonts
== 1
6016 || dpyinfo
->smallest_char_width
< old_width
6017 || dpyinfo
->smallest_font_height
< old_height
);
6020 /* The following functions are listed here to help diff stay in step
6021 with xterm.c. See w32fns.c for definitions.
6023 x_load_font (f, fontname, size)
6024 x_query_font (f, fontname)
6025 x_find_ccl_program (fontp)
6029 /***********************************************************************
6031 ***********************************************************************/
6033 static int w32_initialized
= 0;
6036 w32_initialize_display_info (display_name
)
6037 Lisp_Object display_name
;
6039 struct w32_display_info
*dpyinfo
= &one_w32_display_info
;
6041 bzero (dpyinfo
, sizeof (*dpyinfo
));
6043 /* Put it on w32_display_name_list. */
6044 w32_display_name_list
= Fcons (Fcons (display_name
, Qnil
),
6045 w32_display_name_list
);
6046 dpyinfo
->name_list_element
= XCAR (w32_display_name_list
);
6048 dpyinfo
->w32_id_name
6049 = (char *) xmalloc (SCHARS (Vinvocation_name
)
6050 + SCHARS (Vsystem_name
)
6052 sprintf (dpyinfo
->w32_id_name
, "%s@%s",
6053 SDATA (Vinvocation_name
), SDATA (Vsystem_name
));
6055 /* Default Console mode values - overridden when running in GUI mode
6056 with values obtained from system metrics. */
6059 dpyinfo
->height_in
= 1;
6060 dpyinfo
->width_in
= 1;
6061 dpyinfo
->n_planes
= 1;
6062 dpyinfo
->n_cbits
= 4;
6063 dpyinfo
->n_fonts
= 0;
6064 dpyinfo
->smallest_font_height
= 1;
6065 dpyinfo
->smallest_char_width
= 1;
6067 dpyinfo
->mouse_face_beg_row
= dpyinfo
->mouse_face_beg_col
= -1;
6068 dpyinfo
->mouse_face_end_row
= dpyinfo
->mouse_face_end_col
= -1;
6069 dpyinfo
->mouse_face_face_id
= DEFAULT_FACE_ID
;
6070 dpyinfo
->mouse_face_window
= Qnil
;
6071 dpyinfo
->mouse_face_overlay
= Qnil
;
6072 dpyinfo
->mouse_face_hidden
= 0;
6074 dpyinfo
->vertical_scroll_bar_cursor
= w32_load_cursor (IDC_ARROW
);
6075 /* TODO: dpyinfo->gray */
6079 /* Create an xrdb-style database of resources to supercede registry settings.
6080 The database is just a concatenation of C strings, finished by an additional
6081 \0. The string are submitted to some basic normalization, so
6083 [ *]option[ *]:[ *]value...
6089 but any whitespace following value is not removed. */
6092 w32_make_rdb (xrm_option
)
6095 char *buffer
= xmalloc (strlen (xrm_option
) + 2);
6096 char *current
= buffer
;
6099 int before_value
= 0;
6113 if (in_option
&& (ch
== ':'))
6118 else if (before_value
)
6123 else if (!(in_option
|| before_value
))
6134 struct w32_display_info
*
6135 w32_term_init (display_name
, xrm_option
, resource_name
)
6136 Lisp_Object display_name
;
6138 char *resource_name
;
6140 struct w32_display_info
*dpyinfo
;
6145 if (!w32_initialized
)
6148 w32_initialized
= 1;
6151 w32_initialize_display_info (display_name
);
6153 dpyinfo
= &one_w32_display_info
;
6155 dpyinfo
->xrdb
= xrm_option
? w32_make_rdb (xrm_option
) : NULL
;
6157 /* Put this display on the chain. */
6158 dpyinfo
->next
= x_display_list
;
6159 x_display_list
= dpyinfo
;
6161 hdc
= GetDC (GetDesktopWindow ());
6163 dpyinfo
->height
= GetDeviceCaps (hdc
, VERTRES
);
6164 dpyinfo
->width
= GetDeviceCaps (hdc
, HORZRES
);
6165 dpyinfo
->root_window
= GetDesktopWindow ();
6166 dpyinfo
->n_planes
= GetDeviceCaps (hdc
, PLANES
);
6167 dpyinfo
->n_cbits
= GetDeviceCaps (hdc
, BITSPIXEL
);
6168 dpyinfo
->resx
= GetDeviceCaps (hdc
, LOGPIXELSX
);
6169 dpyinfo
->resy
= GetDeviceCaps (hdc
, LOGPIXELSY
);
6170 dpyinfo
->has_palette
= GetDeviceCaps (hdc
, RASTERCAPS
) & RC_PALETTE
;
6171 dpyinfo
->image_cache
= make_image_cache ();
6172 dpyinfo
->height_in
= dpyinfo
->height
/ dpyinfo
->resx
;
6173 dpyinfo
->width_in
= dpyinfo
->width
/ dpyinfo
->resy
;
6174 ReleaseDC (GetDesktopWindow (), hdc
);
6176 /* initialise palette with white and black */
6179 w32_defined_color (0, "white", &color
, 1);
6180 w32_defined_color (0, "black", &color
, 1);
6183 /* Create Fringe Bitmaps and store them for later use.
6185 On W32, bitmaps are all unsigned short, as Windows requires
6186 bitmap data to be Word aligned. For some reason they are
6187 horizontally reflected compared to how they appear on X, so we
6188 need to bitswap and convert to unsigned shorts before creating
6192 #ifndef F_SETOWN_BUG
6194 #ifdef F_SETOWN_SOCK_NEG
6195 /* stdin is a socket here */
6196 fcntl (connection
, F_SETOWN
, -getpid ());
6197 #else /* ! defined (F_SETOWN_SOCK_NEG) */
6198 fcntl (connection
, F_SETOWN
, getpid ());
6199 #endif /* ! defined (F_SETOWN_SOCK_NEG) */
6200 #endif /* ! defined (F_SETOWN) */
6201 #endif /* F_SETOWN_BUG */
6204 if (interrupt_input
)
6205 init_sigio (connection
);
6206 #endif /* ! defined (SIGIO) */
6213 /* Get rid of display DPYINFO, assuming all frames are already gone. */
6216 x_delete_display (dpyinfo
)
6217 struct w32_display_info
*dpyinfo
;
6219 /* Discard this display from w32_display_name_list and w32_display_list.
6220 We can't use Fdelq because that can quit. */
6221 if (! NILP (w32_display_name_list
)
6222 && EQ (XCAR (w32_display_name_list
), dpyinfo
->name_list_element
))
6223 w32_display_name_list
= XCDR (w32_display_name_list
);
6228 tail
= w32_display_name_list
;
6229 while (CONSP (tail
) && CONSP (XCDR (tail
)))
6231 if (EQ (XCAR (XCDR (tail
)), dpyinfo
->name_list_element
))
6233 XSETCDR (tail
, XCDR (XCDR (tail
)));
6240 /* free palette table */
6242 struct w32_palette_entry
* plist
;
6244 plist
= dpyinfo
->color_list
;
6247 struct w32_palette_entry
* pentry
= plist
;
6248 plist
= plist
->next
;
6251 dpyinfo
->color_list
= NULL
;
6252 if (dpyinfo
->palette
)
6253 DeleteObject(dpyinfo
->palette
);
6255 xfree (dpyinfo
->font_table
);
6256 xfree (dpyinfo
->w32_id_name
);
6258 w32_reset_fringes ();
6261 /* Set up use of W32. */
6263 DWORD
w32_msg_worker ();
6266 x_flush (struct frame
* f
)
6267 { /* Nothing to do */ }
6269 extern frame_parm_handler w32_frame_parm_handlers
[];
6271 static struct redisplay_interface w32_redisplay_interface
=
6273 w32_frame_parm_handlers
,
6277 x_clear_end_of_line
,
6279 x_after_update_window_line
,
6280 x_update_window_begin
,
6281 x_update_window_end
,
6284 0, /* flush_display_optional */
6285 x_clear_window_mouse_face
,
6286 w32_get_glyph_overhangs
,
6287 x_fix_overlapping_area
,
6288 w32_draw_fringe_bitmap
,
6289 w32_define_fringe_bitmap
,
6290 w32_destroy_fringe_bitmap
,
6291 w32_per_char_metric
,
6293 NULL
, /* w32_compute_glyph_string_overhangs */
6294 x_draw_glyph_string
,
6295 w32_define_frame_cursor
,
6296 w32_clear_frame_area
,
6297 w32_draw_window_cursor
,
6298 w32_draw_vertical_window_border
,
6299 w32_shift_glyphs_for_insert
6305 rif
= &w32_redisplay_interface
;
6307 /* MSVC does not type K&R functions with no arguments correctly, and
6308 so we must explicitly cast them. */
6309 clear_frame_hook
= (void (*)(void)) x_clear_frame
;
6310 ring_bell_hook
= (void (*)(void)) w32_ring_bell
;
6311 update_begin_hook
= x_update_begin
;
6312 update_end_hook
= x_update_end
;
6314 read_socket_hook
= w32_read_socket
;
6316 frame_up_to_date_hook
= w32_frame_up_to_date
;
6318 mouse_position_hook
= w32_mouse_position
;
6319 frame_rehighlight_hook
= w32_frame_rehighlight
;
6320 frame_raise_lower_hook
= w32_frame_raise_lower
;
6321 set_vertical_scroll_bar_hook
= w32_set_vertical_scroll_bar
;
6322 condemn_scroll_bars_hook
= w32_condemn_scroll_bars
;
6323 redeem_scroll_bar_hook
= w32_redeem_scroll_bar
;
6324 judge_scroll_bars_hook
= w32_judge_scroll_bars
;
6326 TTY_SCROLL_REGION_OK (CURTTY ()) = 1; /* we'll scroll partial frames */
6327 TTY_CHAR_INS_DEL_OK (CURTTY ()) = 1;
6328 TTY_LINE_INS_DEL_OK (CURTTY ()) = 1; /* we'll just blt 'em */
6329 TTY_FAST_CLEAR_END_OF_LINE (CURTTY ()) = 1; /* X does this well */
6330 TTY_MEMORY_BELOW_FRAME (CURTTY ()) = 0; /* we don't remember what
6335 w32_system_caret_hwnd
= NULL
;
6336 w32_system_caret_height
= 0;
6337 w32_system_caret_x
= 0;
6338 w32_system_caret_y
= 0;
6340 /* Initialize w32_use_visible_system_caret based on whether a screen
6341 reader is in use. */
6342 if (!SystemParametersInfo (SPI_GETSCREENREADER
, 0,
6343 &w32_use_visible_system_caret
, 0))
6344 w32_use_visible_system_caret
= 0;
6346 last_tool_bar_item
= -1;
6347 any_help_event_p
= 0;
6349 /* Initialize input mode: interrupt_input off, no flow control, allow
6350 8 bit character input, standard quit char. */
6351 Fset_input_mode (Qnil
, Qnil
, make_number (2), Qnil
);
6353 /* Create the window thread - it will terminate itself or when the app terminates */
6357 dwMainThreadId
= GetCurrentThreadId ();
6358 DuplicateHandle (GetCurrentProcess (), GetCurrentThread (),
6359 GetCurrentProcess (), &hMainThread
, 0, TRUE
, DUPLICATE_SAME_ACCESS
);
6361 /* Wait for thread to start */
6366 PeekMessage (&msg
, NULL
, 0, 0, PM_NOREMOVE
);
6368 hWindowsThread
= CreateThread (NULL
, 0,
6369 (LPTHREAD_START_ROUTINE
) w32_msg_worker
,
6370 0, 0, &dwWindowsThreadId
);
6372 GetMessage (&msg
, NULL
, WM_EMACS_DONE
, WM_EMACS_DONE
);
6375 /* It is desirable that mainThread should have the same notion of
6376 focus window and active window as windowsThread. Unfortunately, the
6377 following call to AttachThreadInput, which should do precisely what
6378 we need, causes major problems when Emacs is linked as a console
6379 program. Unfortunately, we have good reasons for doing that, so
6380 instead we need to send messages to windowsThread to make some API
6381 calls for us (ones that affect, or depend on, the active/focus
6383 #ifdef ATTACH_THREADS
6384 AttachThreadInput (dwMainThreadId
, dwWindowsThreadId
, TRUE
);
6387 /* Dynamically link to optional system components. */
6389 HANDLE user_lib
= LoadLibrary ("user32.dll");
6390 UINT smoothing_type
;
6391 BOOL smoothing_enabled
;
6393 #define LOAD_PROC(fn) pfn##fn = (void *) GetProcAddress (user_lib, #fn)
6395 /* New proportional scroll bar functions. */
6396 LOAD_PROC (SetScrollInfo
);
6397 LOAD_PROC (GetScrollInfo
);
6401 FreeLibrary (user_lib
);
6403 /* If using proportional scroll bars, ensure handle is at least 5 pixels;
6404 otherwise use the fixed height. */
6405 vertical_scroll_bar_min_handle
= (pfnSetScrollInfo
!= NULL
) ? 5 :
6406 GetSystemMetrics (SM_CYVTHUMB
);
6408 /* For either kind of scroll bar, take account of the arrows; these
6409 effectively form the border of the main scroll bar range. */
6410 vertical_scroll_bar_top_border
= vertical_scroll_bar_bottom_border
6411 = GetSystemMetrics (SM_CYVSCROLL
);
6413 /* Constants that are not always defined by the system headers
6414 since they only exist on certain versions of Windows. */
6415 #ifndef SPI_GETFONTSMOOTHING
6416 #define SPI_GETFONTSMOOTHING 0x4A
6418 #ifndef SPI_GETFONTSMOOTHINGTYPE
6419 #define SPI_GETFONTSMOOTHINGTYPE 0x0200A
6421 #ifndef FE_FONTSMOOTHINGCLEARTYPE
6422 #define FE_FONTSMOOTHINGCLEARTYPE 0x2
6425 /* Determine if Cleartype is in use. Used to enable a hack in
6426 the char metric calculations which adds extra pixels to
6427 compensate for the "sub-pixels" that are not counted by the
6430 SystemParametersInfo (SPI_GETFONTSMOOTHING
, 0, &smoothing_enabled
, 0)
6431 && smoothing_enabled
6432 && SystemParametersInfo (SPI_GETFONTSMOOTHINGTYPE
, 0, &smoothing_type
, 0)
6433 && smoothing_type
== FE_FONTSMOOTHINGCLEARTYPE
;
6440 staticpro (&w32_display_name_list
);
6441 w32_display_name_list
= Qnil
;
6443 staticpro (&last_mouse_scroll_bar
);
6444 last_mouse_scroll_bar
= Qnil
;
6446 staticpro (&Qvendor_specific_keysyms
);
6447 Qvendor_specific_keysyms
= intern ("vendor-specific-keysyms");
6449 DEFVAR_INT ("w32-num-mouse-buttons",
6450 &w32_num_mouse_buttons
,
6451 doc
: /* Number of physical mouse buttons. */);
6452 w32_num_mouse_buttons
= 2;
6454 DEFVAR_LISP ("w32-swap-mouse-buttons",
6455 &Vw32_swap_mouse_buttons
,
6456 doc
: /* Swap the mapping of middle and right mouse buttons.
6457 When nil, middle button is mouse-2 and right button is mouse-3. */);
6458 Vw32_swap_mouse_buttons
= Qnil
;
6460 DEFVAR_LISP ("w32-grab-focus-on-raise",
6461 &Vw32_grab_focus_on_raise
,
6462 doc
: /* Raised frame grabs input focus.
6463 When t, `raise-frame' grabs input focus as well. This fits well
6464 with the normal Windows click-to-focus policy, but might not be
6465 desirable when using a point-to-focus policy. */);
6466 Vw32_grab_focus_on_raise
= Qt
;
6468 DEFVAR_LISP ("w32-capslock-is-shiftlock",
6469 &Vw32_capslock_is_shiftlock
,
6470 doc
: /* Apply CapsLock state to non character input keys.
6471 When nil, CapsLock only affects normal character input keys. */);
6472 Vw32_capslock_is_shiftlock
= Qnil
;
6474 DEFVAR_LISP ("w32-recognize-altgr",
6475 &Vw32_recognize_altgr
,
6476 doc
: /* Recognize right-alt and left-ctrl as AltGr.
6477 When nil, the right-alt and left-ctrl key combination is
6478 interpreted normally. */);
6479 Vw32_recognize_altgr
= Qt
;
6481 DEFVAR_BOOL ("w32-enable-unicode-output",
6482 &w32_enable_unicode_output
,
6483 doc
: /* Enable the use of Unicode for text output if non-nil.
6484 Unicode output may prevent some third party applications for displaying
6485 Far-East Languages on Windows 95/98 from working properly.
6486 NT uses Unicode internally anyway, so this flag will probably have no
6487 affect on NT machines. */);
6488 w32_enable_unicode_output
= 1;
6490 DEFVAR_BOOL ("w32-use-visible-system-caret",
6491 &w32_use_visible_system_caret
,
6492 doc
: /* Flag to make the system caret visible.
6493 When this is non-nil, Emacs will indicate the position of point by
6494 using the system caret instead of drawing its own cursor. Some screen
6495 reader software does not track the system cursor properly when it is
6496 invisible, and gets confused by Emacs drawing its own cursor, so this
6497 variable is initialized to t when Emacs detects that screen reader
6498 software is running as it starts up.
6500 When this variable is set, other variables affecting the appearance of
6501 the cursor have no effect. */);
6503 w32_use_visible_system_caret
= 0;
6505 /* We don't yet support this, but defining this here avoids whining
6506 from cus-start.el and other places, like "M-x set-variable". */
6507 DEFVAR_BOOL ("x-use-underline-position-properties",
6508 &x_use_underline_position_properties
,
6509 doc
: /* *Non-nil means make use of UNDERLINE_POSITION font properties.
6510 nil means ignore them. If you encounter fonts with bogus
6511 UNDERLINE_POSITION font properties, for example 7x13 on XFree prior
6512 to 4.1, set this to nil.
6514 NOTE: Not supported on MS-Windows yet. */);
6515 x_use_underline_position_properties
= 0;
6517 DEFVAR_LISP ("x-toolkit-scroll-bars", &Vx_toolkit_scroll_bars
,
6518 doc
: /* If not nil, Emacs uses toolkit scroll bars. */);
6519 Vx_toolkit_scroll_bars
= Qt
;
6521 staticpro (&last_mouse_motion_frame
);
6522 last_mouse_motion_frame
= Qnil
;
6525 /* arch-tag: 5fa70624-ab86-499c-8a85-473958ee4646
6526 (do not change this comment) */