1 /* Implementation of GUI terminal on the Microsoft W32 API.
2 Copyright (C) 1989, 93, 94, 95, 96, 1997, 1998, 1999, 2000, 2001
3 Free Software Foundation, Inc.
5 This file is part of GNU Emacs.
7 GNU Emacs is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2, or (at your option)
12 GNU Emacs is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with GNU Emacs; see the file COPYING. If not, write to
19 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
20 Boston, MA 02111-1307, USA. */
28 #include "blockinput.h"
47 #include "dispextern.h"
49 #include "termhooks.h"
56 #include "intervals.h"
57 #include "composite.h"
60 #define abs(x) ((x) < 0 ? -(x) : (x))
65 static HBITMAP fringe_bmp
[MAX_FRINGE_BITMAPS
];
67 /* Non-nil means Emacs uses toolkit scroll bars. */
69 Lisp_Object Vx_toolkit_scroll_bars
;
71 /* Temporary variables for w32_read_socket. */
73 static int last_mousemove_x
= 0;
74 static int last_mousemove_y
= 0;
76 /* Define GET_WHEEL_DELTA_WPARAM macro if system headers don't. */
77 #ifndef GET_WHEEL_DELTA_WPARAM
78 #define GET_WHEEL_DELTA_WPARAM(wparam) ((short)HIWORD (wparam))
81 /* Non-zero means that a HELP_EVENT has been generated since Emacs
84 static int any_help_event_p
;
86 /* Last window where we saw the mouse. Used by mouse-autoselect-window. */
87 static Lisp_Object last_window
;
89 extern unsigned int msh_mousewheel
;
91 extern void free_frame_menubar ();
93 extern int w32_codepage_for_font (char *fontname
);
94 extern Cursor
w32_load_cursor (LPCTSTR name
);
96 extern glyph_metric
*w32_BDF_TextMetric(bdffont
*fontp
,
97 unsigned char *text
, int dim
);
98 extern Lisp_Object Vwindow_system
;
100 #define x_any_window_to_frame x_window_to_frame
101 #define x_top_window_to_frame x_window_to_frame
104 /* This is display since w32 does not support multiple ones. */
105 struct w32_display_info one_w32_display_info
;
106 struct w32_display_info
*x_display_list
;
108 /* This is a list of cons cells, each of the form (NAME . FONT-LIST-CACHE),
109 one for each element of w32_display_list and in the same order.
110 NAME is the name of the frame.
111 FONT-LIST-CACHE records previous values returned by x-list-fonts. */
112 Lisp_Object w32_display_name_list
;
114 /* Frame being updated by update_frame. This is declared in term.c.
115 This is set by update_begin and looked at by all the
116 w32 functions. It is zero while not inside an update.
117 In that case, the w32 functions assume that `SELECTED_FRAME ()'
118 is the frame to apply to. */
119 extern struct frame
*updating_frame
;
121 /* This is a frame waiting to be autoraised, within w32_read_socket. */
122 struct frame
*pending_autoraise_frame
;
124 /* The handle of the frame that currently owns the system caret. */
125 HWND w32_system_caret_hwnd
;
126 int w32_system_caret_height
;
127 int w32_system_caret_x
;
128 int w32_system_caret_y
;
129 int w32_use_visible_system_caret
;
131 /* Flag to enable Unicode output in case users wish to use programs
132 like Twinbridge on '95 rather than installed system level support
133 for Far East languages. */
134 int w32_enable_unicode_output
;
136 DWORD dwWindowsThreadId
= 0;
137 HANDLE hWindowsThread
= NULL
;
138 DWORD dwMainThreadId
= 0;
139 HANDLE hMainThread
= NULL
;
142 /* These definitions are new with Windows 95. */
143 #define SIF_RANGE 0x0001
144 #define SIF_PAGE 0x0002
145 #define SIF_POS 0x0004
146 #define SIF_DISABLENOSCROLL 0x0008
147 #define SIF_TRACKPOS 0x0010
148 #define SIF_ALL (SIF_RANGE | SIF_PAGE | SIF_POS | SIF_TRACKPOS)
150 typedef struct tagSCROLLINFO
159 } SCROLLINFO
, FAR
*LPSCROLLINFO
;
160 typedef SCROLLINFO CONST FAR
*LPCSCROLLINFO
;
163 /* Dynamic linking to new proportional scroll bar functions. */
164 int (PASCAL
*pfnSetScrollInfo
) (HWND hwnd
, int fnBar
, LPSCROLLINFO lpsi
, BOOL fRedraw
);
165 BOOL (PASCAL
*pfnGetScrollInfo
) (HWND hwnd
, int fnBar
, LPSCROLLINFO lpsi
);
167 int vertical_scroll_bar_min_handle
;
168 int vertical_scroll_bar_top_border
;
169 int vertical_scroll_bar_bottom_border
;
171 int last_scroll_bar_drag_pos
;
173 /* Mouse movement. */
175 /* Where the mouse was last time we reported a mouse event. */
177 static RECT last_mouse_glyph
;
178 static Lisp_Object last_mouse_press_frame
;
180 Lisp_Object Vw32_num_mouse_buttons
;
182 Lisp_Object Vw32_swap_mouse_buttons
;
184 /* Control whether x_raise_frame also sets input focus. */
185 Lisp_Object Vw32_grab_focus_on_raise
;
187 /* Control whether Caps Lock affects non-ascii characters. */
188 Lisp_Object Vw32_capslock_is_shiftlock
;
190 /* Control whether right-alt and left-ctrl should be recognized as AltGr. */
191 Lisp_Object Vw32_recognize_altgr
;
193 /* The scroll bar in which the last motion event occurred.
195 If the last motion event occurred in a scroll bar, we set this
196 so w32_mouse_position can know whether to report a scroll bar motion or
199 If the last motion event didn't occur in a scroll bar, we set this
200 to Qnil, to tell w32_mouse_position to return an ordinary motion event. */
201 static Lisp_Object last_mouse_scroll_bar
;
202 static int last_mouse_scroll_bar_pos
;
204 /* This is a hack. We would really prefer that w32_mouse_position would
205 return the time associated with the position it returns, but there
206 doesn't seem to be any way to wrest the time-stamp from the server
207 along with the position query. So, we just keep track of the time
208 of the last movement we received, and return that in hopes that
209 it's somewhat accurate. */
211 static Time last_mouse_movement_time
;
213 /* Incremented by w32_read_socket whenever it really tries to read
217 static int volatile input_signal_count
;
219 static int input_signal_count
;
222 extern Lisp_Object Vcommand_line_args
, Vsystem_name
;
228 /* A mask of extra modifier bits to put into every keyboard char. */
230 extern EMACS_INT extra_keyboard_modifiers
;
232 static void x_update_window_end
P_ ((struct window
*, int, int));
233 void w32_delete_display
P_ ((struct w32_display_info
*));
234 static void w32_handle_tool_bar_click
P_ ((struct frame
*,
235 struct input_event
*));
236 void w32_define_cursor
P_ ((Window
, Cursor
));
238 void x_lower_frame
P_ ((struct frame
*));
239 void x_scroll_bar_clear
P_ ((struct frame
*));
240 void x_wm_set_size_hint
P_ ((struct frame
*, long, int));
241 void x_raise_frame
P_ ((struct frame
*));
242 void x_set_window_size
P_ ((struct frame
*, int, int, int));
243 void x_wm_set_window_state
P_ ((struct frame
*, int));
244 void x_wm_set_icon_pixmap
P_ ((struct frame
*, int));
245 void w32_initialize
P_ ((void));
246 static void x_font_min_bounds
P_ ((XFontStruct
*, int *, int *));
247 int x_compute_min_glyph_bounds
P_ ((struct frame
*));
248 static void x_update_end
P_ ((struct frame
*));
249 static void w32_frame_up_to_date
P_ ((struct frame
*));
250 static void w32_set_terminal_modes
P_ ((void));
251 static void w32_reset_terminal_modes
P_ ((void));
252 static void x_clear_frame
P_ ((void));
253 static void frame_highlight
P_ ((struct frame
*));
254 static void frame_unhighlight
P_ ((struct frame
*));
255 static void x_new_focus_frame
P_ ((struct w32_display_info
*,
257 static void w32_frame_rehighlight
P_ ((struct frame
*));
258 static void x_frame_rehighlight
P_ ((struct w32_display_info
*));
259 static void x_draw_hollow_cursor
P_ ((struct window
*, struct glyph_row
*));
260 static void x_draw_bar_cursor
P_ ((struct window
*, struct glyph_row
*, int,
261 enum text_cursor_kinds
));
262 static void w32_clip_to_row
P_ ((struct window
*, struct glyph_row
*, HDC
));
264 static Lisp_Object Qvendor_specific_keysyms
;
267 /***********************************************************************
269 ***********************************************************************/
273 /* This is a function useful for recording debugging information about
274 the sequence of occurrences in this file. */
282 struct record event_record
[100];
284 int event_record_index
;
286 record_event (locus
, type
)
290 if (event_record_index
== sizeof (event_record
) / sizeof (struct record
))
291 event_record_index
= 0;
293 event_record
[event_record_index
].locus
= locus
;
294 event_record
[event_record_index
].type
= type
;
295 event_record_index
++;
302 XChangeGC (void * ignore
, XGCValues
* gc
, unsigned long mask
,
305 if (mask
& GCForeground
)
306 gc
->foreground
= xgcv
->foreground
;
307 if (mask
& GCBackground
)
308 gc
->background
= xgcv
->background
;
310 gc
->font
= xgcv
->font
;
313 XGCValues
*XCreateGC (void * ignore
, Window window
, unsigned long mask
,
316 XGCValues
*gc
= (XGCValues
*) xmalloc (sizeof (XGCValues
));
317 bzero (gc
, sizeof (XGCValues
));
319 XChangeGC (ignore
, gc
, mask
, xgcv
);
325 XGetGCValues (void* ignore
, XGCValues
*gc
,
326 unsigned long mask
, XGCValues
*xgcv
)
328 XChangeGC (ignore
, xgcv
, mask
, gc
);
332 w32_set_clip_rectangle (HDC hdc
, RECT
*rect
)
336 HRGN clip_region
= CreateRectRgnIndirect (rect
);
337 SelectClipRgn (hdc
, clip_region
);
338 DeleteObject (clip_region
);
341 SelectClipRgn (hdc
, NULL
);
345 /* Draw a hollow rectangle at the specified position. */
347 w32_draw_rectangle (HDC hdc
, XGCValues
*gc
, int x
, int y
,
348 int width
, int height
)
353 hb
= CreateSolidBrush (gc
->background
);
354 hp
= CreatePen (PS_SOLID
, 0, gc
->foreground
);
355 oldhb
= SelectObject (hdc
, hb
);
356 oldhp
= SelectObject (hdc
, hp
);
358 Rectangle (hdc
, x
, y
, x
+ width
, y
+ height
);
360 SelectObject (hdc
, oldhb
);
361 SelectObject (hdc
, oldhp
);
366 /* Draw a filled rectangle at the specified position. */
368 w32_fill_rect (f
, hdc
, pix
, lprect
)
376 hb
= CreateSolidBrush (pix
);
377 FillRect (hdc
, lprect
, hb
);
386 HDC hdc
= get_frame_dc (f
);
388 /* Under certain conditions, this can be called at startup with
389 a console frame pointer before the GUI frame is created. An HDC
390 of 0 indicates this. */
393 GetClientRect (FRAME_W32_WINDOW (f
), &rect
);
394 w32_clear_rect (f
, hdc
, &rect
);
397 release_frame_dc (f
, hdc
);
401 /***********************************************************************
402 Starting and ending an update
403 ***********************************************************************/
405 /* Start an update of frame F. This function is installed as a hook
406 for update_begin, i.e. it is called when update_begin is called.
407 This function is called prior to calls to x_update_window_begin for
408 each window being updated. */
414 struct w32_display_info
*display_info
= FRAME_W32_DISPLAY_INFO (f
);
416 if (! FRAME_W32_P (f
))
419 /* Regenerate display palette before drawing if list of requested
420 colors has changed. */
421 if (display_info
->regen_palette
)
423 w32_regenerate_palette (f
);
424 display_info
->regen_palette
= FALSE
;
429 /* Start update of window W. Set the global variable updated_window
430 to the window being updated and set output_cursor to the cursor
434 x_update_window_begin (w
)
437 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
438 struct w32_display_info
*display_info
= FRAME_W32_DISPLAY_INFO (f
);
440 /* Hide the system caret during an update. */
441 if (w32_use_visible_system_caret
&& w32_system_caret_hwnd
)
443 SendMessage (w32_system_caret_hwnd
, WM_EMACS_HIDE_CARET
, 0, 0);
447 set_output_cursor (&w
->cursor
);
451 if (f
== display_info
->mouse_face_mouse_frame
)
453 /* Don't do highlighting for mouse motion during the update. */
454 display_info
->mouse_face_defer
= 1;
456 /* If F needs to be redrawn, simply forget about any prior mouse
458 if (FRAME_GARBAGED_P (f
))
459 display_info
->mouse_face_window
= Qnil
;
461 #if 0 /* Rows in a current matrix containing glyphs in mouse-face have
462 their mouse_face_p flag set, which means that they are always
463 unequal to rows in a desired matrix which never have that
464 flag set. So, rows containing mouse-face glyphs are never
465 scrolled, and we don't have to switch the mouse highlight off
466 here to prevent it from being scrolled. */
468 /* Can we tell that this update does not affect the window
469 where the mouse highlight is? If so, no need to turn off.
470 Likewise, don't do anything if the frame is garbaged;
471 in that case, the frame's current matrix that we would use
472 is all wrong, and we will redisplay that line anyway. */
473 if (!NILP (display_info
->mouse_face_window
)
474 && w
== XWINDOW (display_info
->mouse_face_window
))
478 for (i
= 0; i
< w
->desired_matrix
->nrows
; ++i
)
479 if (MATRIX_ROW_ENABLED_P (w
->desired_matrix
, i
))
482 if (i
< w
->desired_matrix
->nrows
)
483 clear_mouse_face (display_info
);
491 /* Draw a vertical window border from (x,y0) to (x,y1) */
494 w32_draw_vertical_window_border (w
, x
, y0
, y1
)
498 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
507 hdc
= get_frame_dc (f
);
508 w32_fill_rect (f
, hdc
, FRAME_FOREGROUND_PIXEL (f
), &r
);
509 release_frame_dc (f
, hdc
);
513 /* End update of window W (which is equal to updated_window).
515 Draw vertical borders between horizontally adjacent windows, and
516 display W's cursor if CURSOR_ON_P is non-zero.
518 MOUSE_FACE_OVERWRITTEN_P non-zero means that some row containing
519 glyphs in mouse-face were overwritten. In that case we have to
520 make sure that the mouse-highlight is properly redrawn.
522 W may be a menu bar pseudo-window in case we don't have X toolkit
523 support. Such windows don't have a cursor, so don't display it
527 x_update_window_end (w
, cursor_on_p
, mouse_face_overwritten_p
)
529 int cursor_on_p
, mouse_face_overwritten_p
;
531 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (XFRAME (w
->frame
));
533 if (!w
->pseudo_window_p
)
538 display_and_set_cursor (w
, 1, output_cursor
.hpos
,
540 output_cursor
.x
, output_cursor
.y
);
542 x_draw_vertical_border (w
);
544 draw_window_fringes (w
);
549 /* If a row with mouse-face was overwritten, arrange for
550 XTframe_up_to_date to redisplay the mouse highlight. */
551 if (mouse_face_overwritten_p
)
553 dpyinfo
->mouse_face_beg_row
= dpyinfo
->mouse_face_beg_col
= -1;
554 dpyinfo
->mouse_face_end_row
= dpyinfo
->mouse_face_end_col
= -1;
555 dpyinfo
->mouse_face_window
= Qnil
;
558 /* Unhide the caret. This won't actually show the cursor, unless it
559 was visible before the corresponding call to HideCaret in
560 x_update_window_begin. */
561 if (w32_use_visible_system_caret
&& w32_system_caret_hwnd
)
563 SendMessage (w32_system_caret_hwnd
, WM_EMACS_SHOW_CARET
, 0, 0);
566 updated_window
= NULL
;
570 /* End update of frame F. This function is installed as a hook in
577 if (! FRAME_W32_P (f
))
580 /* Mouse highlight may be displayed again. */
581 FRAME_W32_DISPLAY_INFO (f
)->mouse_face_defer
= 0;
585 /* This function is called from various places in xdisp.c whenever a
586 complete update has been performed. The global variable
587 updated_window is not available here. */
590 w32_frame_up_to_date (f
)
595 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
597 if (dpyinfo
->mouse_face_deferred_gc
598 || f
== dpyinfo
->mouse_face_mouse_frame
)
601 if (dpyinfo
->mouse_face_mouse_frame
)
602 note_mouse_highlight (dpyinfo
->mouse_face_mouse_frame
,
603 dpyinfo
->mouse_face_mouse_x
,
604 dpyinfo
->mouse_face_mouse_y
);
605 dpyinfo
->mouse_face_deferred_gc
= 0;
612 /* Draw truncation mark bitmaps, continuation mark bitmaps, overlay
613 arrow bitmaps, or clear the fringes if no bitmaps are required
614 before DESIRED_ROW is made current. The window being updated is
615 found in updated_window. This function is called from
616 update_window_line only if it is known that there are differences
617 between bitmaps to be drawn between current row and DESIRED_ROW. */
620 x_after_update_window_line (desired_row
)
621 struct glyph_row
*desired_row
;
623 struct window
*w
= updated_window
;
629 if (!desired_row
->mode_line_p
&& !w
->pseudo_window_p
)
630 desired_row
->redraw_fringe_bitmaps_p
= 1;
632 /* When a window has disappeared, make sure that no rest of
633 full-width rows stays visible in the internal border. Could
634 check here if updated_window is the leftmost/rightmost window,
635 but I guess it's not worth doing since vertically split windows
636 are almost never used, internal border is rarely set, and the
637 overhead is very small. */
638 if (windows_or_buffers_changed
639 && desired_row
->full_width_p
640 && (f
= XFRAME (w
->frame
),
641 width
= FRAME_INTERNAL_BORDER_WIDTH (f
),
643 && (height
= desired_row
->visible_height
,
646 int y
= WINDOW_TO_FRAME_PIXEL_Y (w
, max (0, desired_row
->y
));
648 /* Internal border is drawn below the tool bar. */
649 if (WINDOWP (f
->tool_bar_window
)
650 && w
== XWINDOW (f
->tool_bar_window
))
655 HDC hdc
= get_frame_dc (f
);
656 w32_clear_area (f
, hdc
, 0, y
, width
, height
);
657 w32_clear_area (f
, hdc
, FRAME_PIXEL_WIDTH (f
) - width
,
659 release_frame_dc (f
, hdc
);
666 /* Draw the bitmap WHICH in one of the left or right fringes of
667 window W. ROW is the glyph row for which to display the bitmap; it
668 determines the vertical position at which the bitmap has to be
672 w32_draw_fringe_bitmap (w
, row
, p
)
674 struct glyph_row
*row
;
675 struct draw_fringe_bitmap_params
*p
;
677 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
679 struct face
*face
= p
->face
;
682 hdc
= get_frame_dc (f
);
684 /* Must clip because of partially visible lines. */
685 rowY
= WINDOW_TO_FRAME_PIXEL_Y (w
, row
->y
);
688 /* Adjust position of "bottom aligned" bitmap on partially
691 int oldVH
= row
->visible_height
;
692 row
->visible_height
= p
->h
;
693 row
->y
-= rowY
- p
->y
;
694 w32_clip_to_row (w
, row
, hdc
);
696 row
->visible_height
= oldVH
;
699 w32_clip_to_row (w
, row
, hdc
);
701 if (p
->bx
>= 0 && !p
->overlay_p
)
703 w32_fill_area (f
, hdc
, face
->background
,
704 p
->bx
, p
->by
, p
->nx
, p
->ny
);
709 HBITMAP pixmap
= fringe_bmp
[p
->which
];
713 compat_hdc
= CreateCompatibleDC (hdc
);
716 horig_obj
= SelectObject (compat_hdc
, pixmap
);
717 SetTextColor (hdc
, face
->background
);
718 SetBkColor (hdc
, face
->foreground
);
720 #if 0 /* TODO: fringe overlay_p and cursor_p */
721 SetBkColor (hdc
, (p
->cursor_p
722 ? (p
->overlay_p
? face
->background
723 : f
->output_data
.w32
->cursor_pixel
)
724 : face
->foreground
));
728 clipmask
= XCreatePixmapFromBitmapData (display
,
729 FRAME_X_DISPLAY_INFO (f
)->root_window
,
732 gcv
.clip_mask
= clipmask
;
733 gcv
.clip_x_origin
= p
->x
;
734 gcv
.clip_y_origin
= p
->y
;
735 XChangeGC (display
, gc
, GCClipMask
| GCClipXOrigin
| GCClipYOrigin
, &gcv
);
739 BitBlt (hdc
, p
->x
, p
->y
, p
->wd
, p
->h
,
740 compat_hdc
, 0, p
->dh
,
743 #if 0 /* TODO: fringe overlay_p and cursor_p */
746 gcv
.clip_mask
= (Pixmap
) 0;
747 XChangeGC (display
, gc
, GCClipMask
, &gcv
);
748 XFreePixmap (display
, clipmask
);
752 SelectObject (compat_hdc
, horig_obj
);
753 DeleteDC (compat_hdc
);
757 w32_set_clip_rectangle (hdc
, NULL
);
759 release_frame_dc (f
, hdc
);
763 w32_define_fringe_bitmap (which
, bits
, h
, wd
)
765 unsigned short *bits
;
768 fringe_bmp
[which
] = CreateBitmap (wd
, h
, 1, 1, bits
);
772 w32_destroy_fringe_bitmap (which
)
775 if (fringe_bmp
[which
])
776 DeleteObject (fringe_bmp
[which
]);
777 fringe_bmp
[which
] = 0;
782 /* This is called when starting Emacs and when restarting after
783 suspend. When starting Emacs, no window is mapped. And nothing
784 must be done to Emacs's own window if it is suspended (though that
788 w32_set_terminal_modes (void)
792 /* This is called when exiting or suspending Emacs. Exiting will make
793 the W32 windows go away, and suspending requires no action. */
796 w32_reset_terminal_modes (void)
802 /***********************************************************************
804 ***********************************************************************/
806 /* Function prototypes of this page. */
808 static XCharStruct
*w32_per_char_metric
P_ ((XFontStruct
*,
810 static int w32_encode_char
P_ ((int, wchar_t *, struct font_info
*, int *));
813 /* Get metrics of character CHAR2B in FONT. Value is always non-null.
814 If CHAR2B is not contained in FONT, the font's default character
815 metric is returned. */
818 w32_bdf_per_char_metric (font
, char2b
, dim
, pcm
)
824 glyph_metric
* bdf_metric
;
828 buf
[0] = (char)(*char2b
);
831 buf
[0] = XCHAR2B_BYTE1 (char2b
);
832 buf
[1] = XCHAR2B_BYTE2 (char2b
);
835 bdf_metric
= w32_BDF_TextMetric (font
->bdf
, buf
, dim
);
839 pcm
->width
= bdf_metric
->dwidth
;
840 pcm
->lbearing
= bdf_metric
->bbox
;
841 pcm
->rbearing
= bdf_metric
->dwidth
842 - (bdf_metric
->bbox
+ bdf_metric
->bbw
);
843 pcm
->ascent
= bdf_metric
->bboy
+ bdf_metric
->bbh
;
844 pcm
->descent
= -bdf_metric
->bboy
;
853 w32_native_per_char_metric (font
, char2b
, font_type
, pcm
)
856 enum w32_char_font_type font_type
;
859 HDC hdc
= GetDC (NULL
);
863 xassert (font
&& char2b
);
864 xassert (font
->hfont
);
865 xassert (font_type
== UNICODE_FONT
|| font_type
== ANSI_FONT
);
867 old_font
= SelectObject (hdc
, font
->hfont
);
869 if ((font
->tm
.tmPitchAndFamily
& TMPF_TRUETYPE
) != 0)
873 if (font_type
== UNICODE_FONT
)
874 retval
= GetCharABCWidthsW (hdc
, *char2b
, *char2b
, &char_widths
);
876 retval
= GetCharABCWidthsA (hdc
, *char2b
, *char2b
, &char_widths
);
881 /* Disabled until we can find a way to get the right results
882 on all versions of Windows. */
884 /* Don't trust the ABC widths. For synthesized fonts they are
885 wrong, and so is the result of GetCharWidth()! */
887 GetCharWidth (hdc
, *char2b
, *char2b
, &real_width
);
889 pcm
->width
= char_widths
.abcA
+ char_widths
.abcB
+ char_widths
.abcC
;
891 /* As far as I can tell, this is the best way to determine what
892 ExtTextOut will do with the broken font. */
893 if (pcm
->width
!= real_width
)
894 pcm
->width
= (pcm
->width
+ real_width
) / 2;
896 pcm
->lbearing
= char_widths
.abcA
;
897 pcm
->rbearing
= char_widths
.abcA
+ char_widths
.abcB
;
898 pcm
->ascent
= FONT_BASE (font
);
899 pcm
->descent
= FONT_DESCENT (font
);
905 /* Either font is not a True-type font, or GetCharABCWidthsW
906 failed (it is not supported on Windows 9x for instance), so we
907 can't determine the full info we would like. All is not lost
908 though - we can call GetTextExtentPoint32 to get rbearing and
909 deduce width based on the font's per-string overhang. lbearing
910 is assumed to be zero. */
912 /* TODO: Some Thai characters (and other composites if Windows
913 supports them) do have lbearing, and report their total width
914 as zero. Need some way of handling them when
915 GetCharABCWidthsW fails. */
918 if (font_type
== UNICODE_FONT
)
919 retval
= GetTextExtentPoint32W (hdc
, char2b
, 1, &sz
);
921 retval
= GetTextExtentPoint32A (hdc
, (char*)char2b
, 1, &sz
);
925 pcm
->width
= sz
.cx
- font
->tm
.tmOverhang
;
926 pcm
->rbearing
= sz
.cx
;
928 pcm
->ascent
= FONT_BASE (font
);
929 pcm
->descent
= FONT_DESCENT (font
);
934 if (pcm
->width
== 0 && (pcm
->rbearing
- pcm
->lbearing
) == 0)
939 SelectObject (hdc
, old_font
);
940 ReleaseDC (NULL
, hdc
);
947 w32_per_char_metric (font
, char2b
, font_type
)
950 int /* enum w32_char_font_type */ font_type
;
952 /* The result metric information. */
956 xassert (font
&& char2b
);
958 /* TODO: This function is currently called through the RIF, and in
959 some cases font_type is UNKNOWN_FONT. We currently allow the
960 cached metrics to be used, which seems to work, but in cases
961 where font_type is UNKNOWN_FONT, we probably haven't encoded
962 char2b appropriately. All callers need checking to see what they
963 are passing. This is most likely to affect variable width fonts
964 outside the Latin-1 range, particularly in languages like Thai
965 that rely on rbearing and lbearing to provide composition. I
966 don't think that is working currently anyway, but we don't seem
967 to have anyone testing such languages on Windows. */
969 /* Handle the common cases quickly. */
970 if (!font
->bdf
&& font
->per_char
== NULL
)
971 /* TODO: determine whether char2b exists in font? */
972 return &font
->max_bounds
;
973 else if (!font
->bdf
&& *char2b
< 128)
974 return &font
->per_char
[*char2b
];
976 xassert (font_type
!= UNKNOWN_FONT
);
978 pcm
= &font
->scratch
;
980 if (font_type
== BDF_1D_FONT
)
981 retval
= w32_bdf_per_char_metric (font
, char2b
, 1, pcm
);
982 else if (font_type
== BDF_2D_FONT
)
983 retval
= w32_bdf_per_char_metric (font
, char2b
, 2, pcm
);
985 retval
= w32_native_per_char_metric (font
, char2b
, font_type
, pcm
);
994 w32_cache_char_metrics (font
)
997 wchar_t char2b
= L
'x';
999 /* Cache char metrics for the common cases. */
1002 /* TODO: determine whether font is fixed-pitch. */
1003 if (!w32_bdf_per_char_metric (font
, &char2b
, 1, &font
->max_bounds
))
1005 /* Use the font width and height as max bounds, as not all BDF
1006 fonts contain the letter 'x'. */
1007 font
->max_bounds
.width
= FONT_MAX_WIDTH (font
);
1008 font
->max_bounds
.lbearing
= -font
->bdf
->llx
;
1009 font
->max_bounds
.rbearing
= FONT_MAX_WIDTH (font
) - font
->bdf
->urx
;
1010 font
->max_bounds
.ascent
= FONT_BASE (font
);
1011 font
->max_bounds
.descent
= FONT_DESCENT (font
);
1016 if (((font
->tm
.tmPitchAndFamily
& TMPF_FIXED_PITCH
) != 0)
1017 /* Some fonts (eg DBCS fonts) are marked as fixed width even
1018 though they contain characters of different widths. */
1019 || (font
->tm
.tmMaxCharWidth
!= font
->tm
.tmAveCharWidth
))
1021 /* Font is not fixed pitch, so cache per_char info for the
1022 ASCII characters. It would be much more work, and probably
1023 not worth it, to cache other chars, since we may change
1024 between using Unicode and ANSI text drawing functions at
1028 font
->per_char
= xmalloc (128 * sizeof(XCharStruct
));
1029 for (i
= 0; i
< 128; i
++)
1032 w32_native_per_char_metric (font
, &char2b
, ANSI_FONT
,
1033 &font
->per_char
[i
]);
1037 w32_native_per_char_metric (font
, &char2b
, ANSI_FONT
,
1043 /* Determine if a font is double byte. */
1044 int w32_font_is_double_byte (XFontStruct
*font
)
1046 return font
->double_byte_p
;
1051 w32_use_unicode_for_codepage (codepage
)
1054 /* If the current codepage is supported, use Unicode for output. */
1055 return (w32_enable_unicode_output
1056 && codepage
!= CP_8BIT
1057 && (codepage
== CP_UNICODE
|| IsValidCodePage (codepage
)));
1060 /* Encode CHAR2B using encoding information from FONT_INFO. CHAR2B is
1061 the two-byte form of C. Encoding is returned in *CHAR2B. */
1063 static int /* enum w32_char_font_type */
1064 w32_encode_char (c
, char2b
, font_info
, two_byte_p
)
1067 struct font_info
*font_info
;
1070 int charset
= CHAR_CHARSET (c
);
1073 int internal_two_byte_p
= 0;
1075 XFontStruct
*font
= font_info
->font
;
1077 internal_two_byte_p
= w32_font_is_double_byte (font
);
1079 /* FONT_INFO may define a scheme by which to encode byte1 and byte2.
1080 This may be either a program in a special encoder language or a
1082 if (font_info
->font_encoder
)
1084 /* It's a program. */
1085 struct ccl_program
*ccl
= font_info
->font_encoder
;
1087 if (CHARSET_DIMENSION (charset
) == 1)
1089 ccl
->reg
[0] = charset
;
1090 ccl
->reg
[1] = XCHAR2B_BYTE2 (char2b
);
1095 ccl
->reg
[0] = charset
;
1096 ccl
->reg
[1] = XCHAR2B_BYTE1 (char2b
);
1097 ccl
->reg
[2] = XCHAR2B_BYTE2 (char2b
);
1100 ccl_driver (ccl
, NULL
, NULL
, 0, 0, NULL
);
1102 /* We assume that MSBs are appropriately set/reset by CCL
1104 if (!internal_two_byte_p
) /* 1-byte font */
1105 STORE_XCHAR2B (char2b
, 0, ccl
->reg
[1]);
1107 STORE_XCHAR2B (char2b
, ccl
->reg
[1], ccl
->reg
[2]);
1109 else if (font_info
->encoding
[charset
])
1111 /* Fixed encoding scheme. See fontset.h for the meaning of the
1112 encoding numbers. */
1113 int enc
= font_info
->encoding
[charset
];
1115 if ((enc
== 1 || enc
== 2)
1116 && CHARSET_DIMENSION (charset
) == 2)
1117 STORE_XCHAR2B (char2b
, XCHAR2B_BYTE1 (char2b
) | 0x80, XCHAR2B_BYTE2 (char2b
));
1119 if (enc
== 1 || enc
== 3
1120 || (enc
== 4 && CHARSET_DIMENSION (charset
) == 1))
1121 STORE_XCHAR2B (char2b
, XCHAR2B_BYTE1 (char2b
), XCHAR2B_BYTE2 (char2b
) | 0x80);
1126 ENCODE_SJIS (XCHAR2B_BYTE1 (char2b
), XCHAR2B_BYTE2 (char2b
),
1128 STORE_XCHAR2B (char2b
, sjis1
, sjis2
);
1131 codepage
= font_info
->codepage
;
1133 /* If charset is not ASCII or Latin-1, may need to move it into
1135 if ( font
&& !font
->bdf
&& w32_use_unicode_for_codepage (codepage
)
1136 && charset
!= CHARSET_ASCII
&& charset
!= charset_latin_iso8859_1
1137 && charset
!= CHARSET_8_BIT_CONTROL
&& charset
!= CHARSET_8_BIT_GRAPHIC
)
1140 temp
[0] = XCHAR2B_BYTE1 (char2b
);
1141 temp
[1] = XCHAR2B_BYTE2 (char2b
);
1143 if (codepage
!= CP_UNICODE
)
1146 MultiByteToWideChar (codepage
, 0, temp
, 2, char2b
, 1);
1148 MultiByteToWideChar (codepage
, 0, temp
+1, 1, char2b
, 1);
1151 internal_two_byte_p
= 1;
1155 *two_byte_p
= internal_two_byte_p
;
1158 return UNKNOWN_FONT
;
1159 else if (font
->bdf
&& CHARSET_DIMENSION (charset
) == 1)
1164 return UNICODE_FONT
;
1171 /***********************************************************************
1173 ***********************************************************************/
1176 /* Encapsulate the different ways of displaying text under W32. */
1179 w32_text_out (s
, x
, y
,chars
,nchars
)
1180 struct glyph_string
* s
;
1185 int charset_dim
= w32_font_is_double_byte (s
->font
) ? 2 : 1;
1187 w32_BDF_TextOut (s
->font
->bdf
, s
->hdc
,
1188 x
, y
, (char *) chars
, charset_dim
,
1189 nchars
* charset_dim
, 0);
1190 else if (s
->first_glyph
->font_type
== UNICODE_FONT
)
1191 ExtTextOutW (s
->hdc
, x
, y
, 0, NULL
, chars
, nchars
, NULL
);
1193 ExtTextOutA (s
->hdc
, x
, y
, 0, NULL
, (char *) chars
,
1194 nchars
* charset_dim
, NULL
);
1199 static void x_set_glyph_string_clipping
P_ ((struct glyph_string
*));
1200 static void x_set_glyph_string_gc
P_ ((struct glyph_string
*));
1201 static void x_draw_glyph_string_background
P_ ((struct glyph_string
*,
1203 static void x_draw_glyph_string_foreground
P_ ((struct glyph_string
*));
1204 static void x_draw_composite_glyph_string_foreground
P_ ((struct glyph_string
*));
1205 static void x_draw_glyph_string_box
P_ ((struct glyph_string
*));
1206 static void x_draw_glyph_string
P_ ((struct glyph_string
*));
1207 static void x_set_cursor_gc
P_ ((struct glyph_string
*));
1208 static void x_set_mode_line_face_gc
P_ ((struct glyph_string
*));
1209 static void x_set_mouse_face_gc
P_ ((struct glyph_string
*));
1210 static int w32_alloc_lighter_color (struct frame
*, COLORREF
*, double, int);
1211 static void w32_setup_relief_color
P_ ((struct frame
*, struct relief
*,
1212 double, int, COLORREF
));
1213 static void x_setup_relief_colors
P_ ((struct glyph_string
*));
1214 static void x_draw_image_glyph_string
P_ ((struct glyph_string
*));
1215 static void x_draw_image_relief
P_ ((struct glyph_string
*));
1216 static void x_draw_image_foreground
P_ ((struct glyph_string
*));
1217 static void w32_draw_image_foreground_1
P_ ((struct glyph_string
*, HBITMAP
));
1218 static void x_clear_glyph_string_rect
P_ ((struct glyph_string
*, int,
1220 static void w32_draw_relief_rect
P_ ((struct frame
*, int, int, int, int,
1221 int, int, int, int, RECT
*));
1222 static void w32_draw_box_rect
P_ ((struct glyph_string
*, int, int, int, int,
1223 int, int, int, RECT
*));
1226 static void x_check_font
P_ ((struct frame
*, XFontStruct
*));
1230 /* Set S->gc to a suitable GC for drawing glyph string S in cursor
1235 struct glyph_string
*s
;
1237 if (s
->font
== FRAME_FONT (s
->f
)
1238 && s
->face
->background
== FRAME_BACKGROUND_PIXEL (s
->f
)
1239 && s
->face
->foreground
== FRAME_FOREGROUND_PIXEL (s
->f
)
1241 s
->gc
= s
->f
->output_data
.w32
->cursor_gc
;
1244 /* Cursor on non-default face: must merge. */
1248 xgcv
.background
= s
->f
->output_data
.w32
->cursor_pixel
;
1249 xgcv
.foreground
= s
->face
->background
;
1251 /* If the glyph would be invisible, try a different foreground. */
1252 if (xgcv
.foreground
== xgcv
.background
)
1253 xgcv
.foreground
= s
->face
->foreground
;
1254 if (xgcv
.foreground
== xgcv
.background
)
1255 xgcv
.foreground
= s
->f
->output_data
.w32
->cursor_foreground_pixel
;
1256 if (xgcv
.foreground
== xgcv
.background
)
1257 xgcv
.foreground
= s
->face
->foreground
;
1259 /* Make sure the cursor is distinct from text in this face. */
1260 if (xgcv
.background
== s
->face
->background
1261 && xgcv
.foreground
== s
->face
->foreground
)
1263 xgcv
.background
= s
->face
->foreground
;
1264 xgcv
.foreground
= s
->face
->background
;
1267 IF_DEBUG (x_check_font (s
->f
, s
->font
));
1268 xgcv
.font
= s
->font
;
1269 mask
= GCForeground
| GCBackground
| GCFont
;
1271 if (FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
)
1272 XChangeGC (NULL
, FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
,
1275 FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
1276 = XCreateGC (NULL
, s
->window
, mask
, &xgcv
);
1278 s
->gc
= FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
;
1283 /* Set up S->gc of glyph string S for drawing text in mouse face. */
1286 x_set_mouse_face_gc (s
)
1287 struct glyph_string
*s
;
1292 /* What face has to be used last for the mouse face? */
1293 face_id
= FRAME_W32_DISPLAY_INFO (s
->f
)->mouse_face_face_id
;
1294 face
= FACE_FROM_ID (s
->f
, face_id
);
1296 face
= FACE_FROM_ID (s
->f
, MOUSE_FACE_ID
);
1298 if (s
->first_glyph
->type
== CHAR_GLYPH
)
1299 face_id
= FACE_FOR_CHAR (s
->f
, face
, s
->first_glyph
->u
.ch
);
1301 face_id
= FACE_FOR_CHAR (s
->f
, face
, 0);
1302 s
->face
= FACE_FROM_ID (s
->f
, face_id
);
1303 PREPARE_FACE_FOR_DISPLAY (s
->f
, s
->face
);
1305 /* If font in this face is same as S->font, use it. */
1306 if (s
->font
== s
->face
->font
)
1307 s
->gc
= s
->face
->gc
;
1310 /* Otherwise construct scratch_cursor_gc with values from FACE
1315 xgcv
.background
= s
->face
->background
;
1316 xgcv
.foreground
= s
->face
->foreground
;
1317 IF_DEBUG (x_check_font (s
->f
, s
->font
));
1318 xgcv
.font
= s
->font
;
1319 mask
= GCForeground
| GCBackground
| GCFont
;
1321 if (FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
)
1322 XChangeGC (NULL
, FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
,
1325 FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
1326 = XCreateGC (NULL
, s
->window
, mask
, &xgcv
);
1328 s
->gc
= FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
;
1331 xassert (s
->gc
!= 0);
1335 /* Set S->gc of glyph string S to a GC suitable for drawing a mode line.
1336 Faces to use in the mode line have already been computed when the
1337 matrix was built, so there isn't much to do, here. */
1340 x_set_mode_line_face_gc (s
)
1341 struct glyph_string
*s
;
1343 s
->gc
= s
->face
->gc
;
1347 /* Set S->gc of glyph string S for drawing that glyph string. Set
1348 S->stippled_p to a non-zero value if the face of S has a stipple
1352 x_set_glyph_string_gc (s
)
1353 struct glyph_string
*s
;
1355 PREPARE_FACE_FOR_DISPLAY (s
->f
, s
->face
);
1357 if (s
->hl
== DRAW_NORMAL_TEXT
)
1359 s
->gc
= s
->face
->gc
;
1360 s
->stippled_p
= s
->face
->stipple
!= 0;
1362 else if (s
->hl
== DRAW_INVERSE_VIDEO
)
1364 x_set_mode_line_face_gc (s
);
1365 s
->stippled_p
= s
->face
->stipple
!= 0;
1367 else if (s
->hl
== DRAW_CURSOR
)
1369 x_set_cursor_gc (s
);
1372 else if (s
->hl
== DRAW_MOUSE_FACE
)
1374 x_set_mouse_face_gc (s
);
1375 s
->stippled_p
= s
->face
->stipple
!= 0;
1377 else if (s
->hl
== DRAW_IMAGE_RAISED
1378 || s
->hl
== DRAW_IMAGE_SUNKEN
)
1380 s
->gc
= s
->face
->gc
;
1381 s
->stippled_p
= s
->face
->stipple
!= 0;
1385 s
->gc
= s
->face
->gc
;
1386 s
->stippled_p
= s
->face
->stipple
!= 0;
1389 /* GC must have been set. */
1390 xassert (s
->gc
!= 0);
1394 /* Set clipping for output of glyph string S. S may be part of a mode
1395 line or menu if we don't have X toolkit support. */
1398 x_set_glyph_string_clipping (s
)
1399 struct glyph_string
*s
;
1402 get_glyph_string_clip_rect (s
, &r
);
1403 w32_set_clip_rectangle (s
->hdc
, &r
);
1408 Compute left and right overhang of glyph string S. If S is a glyph
1409 string for a composition, assume overhangs don't exist. */
1412 w32_compute_glyph_string_overhangs (s
)
1413 struct glyph_string
*s
;
1415 /* TODO: Windows does not appear to have a method for
1416 getting this info without getting the ABC widths for each
1417 individual character and working it out manually. */
1422 w32_get_glyph_overhangs (glyph
, f
, left
, right
)
1423 struct glyph
*glyph
;
1427 HDC hdc
= get_frame_dc (f
);
1428 /* Convert to unicode! */
1429 x_get_glyph_overhangs (glyph
, f
, left
, right
);
1430 release_frame_dc (f
, hdc
);
1434 /* Fill rectangle X, Y, W, H with background color of glyph string S. */
1437 x_clear_glyph_string_rect (s
, x
, y
, w
, h
)
1438 struct glyph_string
*s
;
1446 /* Take clipping into account. */
1447 if (s
->gc
->clip_mask
== Rect
)
1449 real_x
= max (real_x
, s
->gc
->clip_rectangle
.left
);
1450 real_y
= max (real_y
, s
->gc
->clip_rectangle
.top
);
1451 real_w
= min (real_w
, s
->gc
->clip_rectangle
.right
1452 - s
->gc
->clip_rectangle
.left
);
1453 real_h
= min (real_h
, s
->gc
->clip_rectangle
.bottom
1454 - s
->gc
->clip_rectangle
.top
);
1457 w32_fill_area (s
->f
, s
->hdc
, s
->gc
->background
, real_x
, real_y
,
1462 /* Draw the background of glyph_string S. If S->background_filled_p
1463 is non-zero don't draw it. FORCE_P non-zero means draw the
1464 background even if it wouldn't be drawn normally. This is used
1465 when a string preceding S draws into the background of S, or S
1466 contains the first component of a composition. */
1469 x_draw_glyph_string_background (s
, force_p
)
1470 struct glyph_string
*s
;
1473 /* Nothing to do if background has already been drawn or if it
1474 shouldn't be drawn in the first place. */
1475 if (!s
->background_filled_p
)
1477 int box_line_width
= max (s
->face
->box_line_width
, 0);
1479 #if 0 /* TODO: stipple */
1482 /* Fill background with a stipple pattern. */
1483 XSetFillStyle (s
->display
, s
->gc
, FillOpaqueStippled
);
1484 XFillRectangle (s
->display
, s
->window
, s
->gc
, s
->x
,
1485 s
->y
+ box_line_width
,
1486 s
->background_width
,
1487 s
->height
- 2 * box_line_width
);
1488 XSetFillStyle (s
->display
, s
->gc
, FillSolid
);
1489 s
->background_filled_p
= 1;
1493 if (FONT_HEIGHT (s
->font
) < s
->height
- 2 * box_line_width
1494 || s
->font_not_found_p
1495 || s
->extends_to_end_of_line_p
1499 x_clear_glyph_string_rect (s
, s
->x
, s
->y
+ box_line_width
,
1500 s
->background_width
,
1501 s
->height
- 2 * box_line_width
);
1502 s
->background_filled_p
= 1;
1508 /* Draw the foreground of glyph string S. */
1511 x_draw_glyph_string_foreground (s
)
1512 struct glyph_string
*s
;
1517 /* If first glyph of S has a left box line, start drawing the text
1518 of S to the right of that box line. */
1519 if (s
->face
->box
!= FACE_NO_BOX
1520 && s
->first_glyph
->left_box_line_p
)
1521 x
= s
->x
+ abs (s
->face
->box_line_width
);
1525 if (s
->for_overlaps_p
|| (s
->background_filled_p
&& s
->hl
!= DRAW_CURSOR
))
1526 SetBkMode (s
->hdc
, TRANSPARENT
);
1528 SetBkMode (s
->hdc
, OPAQUE
);
1530 SetTextColor (s
->hdc
, s
->gc
->foreground
);
1531 SetBkColor (s
->hdc
, s
->gc
->background
);
1532 SetTextAlign (s
->hdc
, TA_BASELINE
| TA_LEFT
);
1534 if (s
->font
&& s
->font
->hfont
)
1535 old_font
= SelectObject (s
->hdc
, s
->font
->hfont
);
1537 /* Draw characters of S as rectangles if S's font could not be
1539 if (s
->font_not_found_p
)
1541 for (i
= 0; i
< s
->nchars
; ++i
)
1543 struct glyph
*g
= s
->first_glyph
+ i
;
1545 w32_draw_rectangle (s
->hdc
, s
->gc
, x
, s
->y
, g
->pixel_width
- 1,
1547 x
+= g
->pixel_width
;
1552 char *char1b
= (char *) s
->char2b
;
1553 int boff
= s
->font_info
->baseline_offset
;
1555 if (s
->font_info
->vertical_centering
)
1556 boff
= VCENTER_BASELINE_OFFSET (s
->font
, s
->f
) - boff
;
1558 /* If we can use 8-bit functions, condense S->char2b. */
1560 for (i
= 0; i
< s
->nchars
; ++i
)
1561 char1b
[i
] = XCHAR2B_BYTE2 (&s
->char2b
[i
]);
1563 /* Draw text with TextOut and friends. */
1564 w32_text_out (s
, x
, s
->ybase
- boff
, s
->char2b
, s
->nchars
);
1566 if (s
->face
->overstrike
)
1568 /* For overstriking (to simulate bold-face), draw the
1569 characters again shifted to the right by one pixel. */
1570 w32_text_out (s
, x
+ 1, s
->ybase
- boff
, s
->char2b
, s
->nchars
);
1573 if (s
->font
&& s
->font
->hfont
)
1574 SelectObject (s
->hdc
, old_font
);
1577 /* Draw the foreground of composite glyph string S. */
1580 x_draw_composite_glyph_string_foreground (s
)
1581 struct glyph_string
*s
;
1586 /* If first glyph of S has a left box line, start drawing the text
1587 of S to the right of that box line. */
1588 if (s
->face
->box
!= FACE_NO_BOX
1589 && s
->first_glyph
->left_box_line_p
)
1590 x
= s
->x
+ abs (s
->face
->box_line_width
);
1594 /* S is a glyph string for a composition. S->gidx is the index of
1595 the first character drawn for glyphs of this composition.
1596 S->gidx == 0 means we are drawing the very first character of
1597 this composition. */
1599 SetTextColor (s
->hdc
, s
->gc
->foreground
);
1600 SetBkColor (s
->hdc
, s
->gc
->background
);
1601 SetBkMode (s
->hdc
, TRANSPARENT
);
1602 SetTextAlign (s
->hdc
, TA_BASELINE
| TA_LEFT
);
1604 if (s
->font
&& s
->font
->hfont
)
1605 old_font
= SelectObject (s
->hdc
, s
->font
->hfont
);
1607 /* Draw a rectangle for the composition if the font for the very
1608 first character of the composition could not be loaded. */
1609 if (s
->font_not_found_p
)
1612 w32_draw_rectangle (s
->hdc
, s
->gc
, x
, s
->y
, s
->width
- 1,
1617 for (i
= 0; i
< s
->nchars
; i
++, ++s
->gidx
)
1619 w32_text_out (s
, x
+ s
->cmp
->offsets
[s
->gidx
* 2],
1620 s
->ybase
- s
->cmp
->offsets
[s
->gidx
* 2 + 1],
1622 if (s
->face
->overstrike
)
1623 w32_text_out (s
, x
+ s
->cmp
->offsets
[s
->gidx
* 2] + 1,
1624 s
->ybase
- s
->cmp
->offsets
[s
->gidx
* 2 + 1],
1629 if (s
->font
&& s
->font
->hfont
)
1630 SelectObject (s
->hdc
, old_font
);
1634 /* Brightness beyond which a color won't have its highlight brightness
1637 Nominally, highlight colors for `3d' faces are calculated by
1638 brightening an object's color by a constant scale factor, but this
1639 doesn't yield good results for dark colors, so for colors who's
1640 brightness is less than this value (on a scale of 0-255) have to
1641 use an additional additive factor.
1643 The value here is set so that the default menu-bar/mode-line color
1644 (grey75) will not have its highlights changed at all. */
1645 #define HIGHLIGHT_COLOR_DARK_BOOST_LIMIT 187
1648 /* Allocate a color which is lighter or darker than *COLOR by FACTOR
1649 or DELTA. Try a color with RGB values multiplied by FACTOR first.
1650 If this produces the same color as COLOR, try a color where all RGB
1651 values have DELTA added. Return the allocated color in *COLOR.
1652 DISPLAY is the X display, CMAP is the colormap to operate on.
1653 Value is non-zero if successful. */
1656 w32_alloc_lighter_color (f
, color
, factor
, delta
)
1665 /* On Windows, RGB values are 0-255, not 0-65535, so scale delta. */
1668 /* Change RGB values by specified FACTOR. Avoid overflow! */
1669 xassert (factor
>= 0);
1670 new = PALETTERGB (min (0xff, factor
* GetRValue (*color
)),
1671 min (0xff, factor
* GetGValue (*color
)),
1672 min (0xff, factor
* GetBValue (*color
)));
1674 /* Calculate brightness of COLOR. */
1675 bright
= (2 * GetRValue (*color
) + 3 * GetGValue (*color
)
1676 + GetBValue (*color
)) / 6;
1678 /* We only boost colors that are darker than
1679 HIGHLIGHT_COLOR_DARK_BOOST_LIMIT. */
1680 if (bright
< HIGHLIGHT_COLOR_DARK_BOOST_LIMIT
)
1681 /* Make an additive adjustment to NEW, because it's dark enough so
1682 that scaling by FACTOR alone isn't enough. */
1684 /* How far below the limit this color is (0 - 1, 1 being darker). */
1685 double dimness
= 1 - (double)bright
/ HIGHLIGHT_COLOR_DARK_BOOST_LIMIT
;
1686 /* The additive adjustment. */
1687 int min_delta
= delta
* dimness
* factor
/ 2;
1690 new = PALETTERGB (max (0, min (0xff, min_delta
- GetRValue (*color
))),
1691 max (0, min (0xff, min_delta
- GetGValue (*color
))),
1692 max (0, min (0xff, min_delta
- GetBValue (*color
))));
1694 new = PALETTERGB (max (0, min (0xff, min_delta
+ GetRValue (*color
))),
1695 max (0, min (0xff, min_delta
+ GetGValue (*color
))),
1696 max (0, min (0xff, min_delta
+ GetBValue (*color
))));
1700 new = PALETTERGB (max (0, min (0xff, delta
+ GetRValue (*color
))),
1701 max (0, min (0xff, delta
+ GetGValue (*color
))),
1702 max (0, min (0xff, delta
+ GetBValue (*color
))));
1704 /* TODO: Map to palette and retry with delta if same? */
1705 /* TODO: Free colors (if using palette)? */
1716 /* Set up the foreground color for drawing relief lines of glyph
1717 string S. RELIEF is a pointer to a struct relief containing the GC
1718 with which lines will be drawn. Use a color that is FACTOR or
1719 DELTA lighter or darker than the relief's background which is found
1720 in S->f->output_data.x->relief_background. If such a color cannot
1721 be allocated, use DEFAULT_PIXEL, instead. */
1724 w32_setup_relief_color (f
, relief
, factor
, delta
, default_pixel
)
1726 struct relief
*relief
;
1729 COLORREF default_pixel
;
1732 struct w32_output
*di
= f
->output_data
.w32
;
1733 unsigned long mask
= GCForeground
;
1735 COLORREF background
= di
->relief_background
;
1736 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
1738 /* TODO: Free colors (if using palette)? */
1740 /* Allocate new color. */
1741 xgcv
.foreground
= default_pixel
;
1743 if (w32_alloc_lighter_color (f
, &pixel
, factor
, delta
))
1745 relief
->allocated_p
= 1;
1746 xgcv
.foreground
= relief
->pixel
= pixel
;
1749 if (relief
->gc
== 0)
1751 #if 0 /* TODO: stipple */
1752 xgcv
.stipple
= dpyinfo
->gray
;
1755 relief
->gc
= XCreateGC (NULL
, FRAME_W32_WINDOW (f
), mask
, &xgcv
);
1758 XChangeGC (NULL
, relief
->gc
, mask
, &xgcv
);
1762 /* Set up colors for the relief lines around glyph string S. */
1765 x_setup_relief_colors (s
)
1766 struct glyph_string
*s
;
1768 struct w32_output
*di
= s
->f
->output_data
.w32
;
1771 if (s
->face
->use_box_color_for_shadows_p
)
1772 color
= s
->face
->box_color
;
1773 else if (s
->first_glyph
->type
== IMAGE_GLYPH
1775 && !IMAGE_BACKGROUND_TRANSPARENT (s
->img
, s
->f
, 0))
1776 color
= IMAGE_BACKGROUND (s
->img
, s
->f
, 0);
1778 color
= s
->gc
->background
;
1780 if (di
->white_relief
.gc
== 0
1781 || color
!= di
->relief_background
)
1783 di
->relief_background
= color
;
1784 w32_setup_relief_color (s
->f
, &di
->white_relief
, 1.2, 0x8000,
1785 WHITE_PIX_DEFAULT (s
->f
));
1786 w32_setup_relief_color (s
->f
, &di
->black_relief
, 0.6, 0x4000,
1787 BLACK_PIX_DEFAULT (s
->f
));
1792 /* Draw a relief on frame F inside the rectangle given by LEFT_X,
1793 TOP_Y, RIGHT_X, and BOTTOM_Y. WIDTH is the thickness of the relief
1794 to draw, it must be >= 0. RAISED_P non-zero means draw a raised
1795 relief. LEFT_P non-zero means draw a relief on the left side of
1796 the rectangle. RIGHT_P non-zero means draw a relief on the right
1797 side of the rectangle. CLIP_RECT is the clipping rectangle to use
1801 w32_draw_relief_rect (f
, left_x
, top_y
, right_x
, bottom_y
, width
,
1802 raised_p
, left_p
, right_p
, clip_rect
)
1804 int left_x
, top_y
, right_x
, bottom_y
, width
, left_p
, right_p
, raised_p
;
1809 HDC hdc
= get_frame_dc (f
);
1812 gc
.foreground
= f
->output_data
.w32
->white_relief
.gc
->foreground
;
1814 gc
.foreground
= f
->output_data
.w32
->black_relief
.gc
->foreground
;
1816 w32_set_clip_rectangle (hdc
, clip_rect
);
1819 for (i
= 0; i
< width
; ++i
)
1820 w32_fill_area (f
, hdc
, gc
.foreground
,
1821 left_x
+ i
* left_p
, top_y
+ i
,
1822 right_x
- left_x
- i
* (left_p
+ right_p
) + 1, 1);
1826 for (i
= 0; i
< width
; ++i
)
1827 w32_fill_area (f
, hdc
, gc
.foreground
,
1828 left_x
+ i
, top_y
+ i
, 1,
1829 bottom_y
- top_y
- 2 * i
+ 1);
1832 gc
.foreground
= f
->output_data
.w32
->black_relief
.gc
->foreground
;
1834 gc
.foreground
= f
->output_data
.w32
->white_relief
.gc
->foreground
;
1837 for (i
= 0; i
< width
; ++i
)
1838 w32_fill_area (f
, hdc
, gc
.foreground
,
1839 left_x
+ i
* left_p
, bottom_y
- i
,
1840 right_x
- left_x
- i
* (left_p
+ right_p
) + 1, 1);
1844 for (i
= 0; i
< width
; ++i
)
1845 w32_fill_area (f
, hdc
, gc
.foreground
,
1846 right_x
- i
, top_y
+ i
+ 1, 1,
1847 bottom_y
- top_y
- 2 * i
- 1);
1849 w32_set_clip_rectangle (hdc
, NULL
);
1851 release_frame_dc (f
, hdc
);
1855 /* Draw a box on frame F inside the rectangle given by LEFT_X, TOP_Y,
1856 RIGHT_X, and BOTTOM_Y. WIDTH is the thickness of the lines to
1857 draw, it must be >= 0. LEFT_P non-zero means draw a line on the
1858 left side of the rectangle. RIGHT_P non-zero means draw a line
1859 on the right side of the rectangle. CLIP_RECT is the clipping
1860 rectangle to use when drawing. */
1863 w32_draw_box_rect (s
, left_x
, top_y
, right_x
, bottom_y
, width
,
1864 left_p
, right_p
, clip_rect
)
1865 struct glyph_string
*s
;
1866 int left_x
, top_y
, right_x
, bottom_y
, width
, left_p
, right_p
;
1869 w32_set_clip_rectangle (s
->hdc
, clip_rect
);
1872 w32_fill_area (s
->f
, s
->hdc
, s
->face
->box_color
,
1873 left_x
, top_y
, right_x
- left_x
+ 1, width
);
1878 w32_fill_area (s
->f
, s
->hdc
, s
->face
->box_color
,
1879 left_x
, top_y
, width
, bottom_y
- top_y
+ 1);
1883 w32_fill_area (s
->f
, s
->hdc
, s
->face
->box_color
,
1884 left_x
, bottom_y
- width
+ 1, right_x
- left_x
+ 1, width
);
1889 w32_fill_area (s
->f
, s
->hdc
, s
->face
->box_color
,
1890 right_x
- width
+ 1, top_y
, width
, bottom_y
- top_y
+ 1);
1893 w32_set_clip_rectangle (s
->hdc
, NULL
);
1897 /* Draw a box around glyph string S. */
1900 x_draw_glyph_string_box (s
)
1901 struct glyph_string
*s
;
1903 int width
, left_x
, right_x
, top_y
, bottom_y
, last_x
, raised_p
;
1904 int left_p
, right_p
;
1905 struct glyph
*last_glyph
;
1908 last_x
= window_box_right (s
->w
, s
->area
);
1909 if (s
->row
->full_width_p
1910 && !s
->w
->pseudo_window_p
)
1912 last_x
+= WINDOW_RIGHT_SCROLL_BAR_AREA_WIDTH (s
->w
);
1913 if (s
->area
!= RIGHT_MARGIN_AREA
1914 || WINDOW_HAS_FRINGES_OUTSIDE_MARGINS (s
->w
))
1915 last_x
+= WINDOW_RIGHT_FRINGE_WIDTH (s
->w
);
1918 /* The glyph that may have a right box line. */
1919 last_glyph
= (s
->cmp
|| s
->img
1921 : s
->first_glyph
+ s
->nchars
- 1);
1923 width
= abs (s
->face
->box_line_width
);
1924 raised_p
= s
->face
->box
== FACE_RAISED_BOX
;
1926 right_x
= ((s
->row
->full_width_p
&& s
->extends_to_end_of_line_p
1928 : min (last_x
, s
->x
+ s
->background_width
) - 1));
1930 bottom_y
= top_y
+ s
->height
- 1;
1932 left_p
= (s
->first_glyph
->left_box_line_p
1933 || (s
->hl
== DRAW_MOUSE_FACE
1935 || s
->prev
->hl
!= s
->hl
)));
1936 right_p
= (last_glyph
->right_box_line_p
1937 || (s
->hl
== DRAW_MOUSE_FACE
1939 || s
->next
->hl
!= s
->hl
)));
1941 get_glyph_string_clip_rect (s
, &clip_rect
);
1943 if (s
->face
->box
== FACE_SIMPLE_BOX
)
1944 w32_draw_box_rect (s
, left_x
, top_y
, right_x
, bottom_y
, width
,
1945 left_p
, right_p
, &clip_rect
);
1948 x_setup_relief_colors (s
);
1949 w32_draw_relief_rect (s
->f
, left_x
, top_y
, right_x
, bottom_y
,
1950 width
, raised_p
, left_p
, right_p
, &clip_rect
);
1955 /* Draw foreground of image glyph string S. */
1958 x_draw_image_foreground (s
)
1959 struct glyph_string
*s
;
1962 int y
= s
->ybase
- image_ascent (s
->img
, s
->face
);
1964 /* If first glyph of S has a left box line, start drawing it to the
1965 right of that line. */
1966 if (s
->face
->box
!= FACE_NO_BOX
1967 && s
->first_glyph
->left_box_line_p
)
1968 x
= s
->x
+ abs (s
->face
->box_line_width
);
1972 /* If there is a margin around the image, adjust x- and y-position
1974 x
+= s
->img
->hmargin
;
1975 y
+= s
->img
->vmargin
;
1981 HDC compat_hdc
= CreateCompatibleDC (s
->hdc
);
1982 HBRUSH fg_brush
= CreateSolidBrush (s
->gc
->foreground
);
1983 HBRUSH orig_brush
= SelectObject (s
->hdc
, fg_brush
);
1984 HGDIOBJ orig_obj
= SelectObject (compat_hdc
, s
->img
->pixmap
);
1985 SetBkColor (compat_hdc
, RGB (255, 255, 255));
1986 SetTextColor (s
->hdc
, RGB (0, 0, 0));
1987 x_set_glyph_string_clipping (s
);
1991 HDC mask_dc
= CreateCompatibleDC (s
->hdc
);
1992 HGDIOBJ mask_orig_obj
= SelectObject (mask_dc
, s
->img
->mask
);
1994 SetTextColor (s
->hdc
, RGB (255, 255, 255));
1995 SetBkColor (s
->hdc
, RGB (0, 0, 0));
1997 BitBlt (s
->hdc
, x
, y
, s
->img
->width
, s
->img
->height
,
1998 compat_hdc
, 0, 0, SRCINVERT
);
1999 BitBlt (s
->hdc
, x
, y
, s
->img
->width
, s
->img
->height
,
2000 mask_dc
, 0, 0, SRCAND
);
2001 BitBlt (s
->hdc
, x
, y
, s
->img
->width
, s
->img
->height
,
2002 compat_hdc
, 0, 0, SRCINVERT
);
2004 SelectObject (mask_dc
, mask_orig_obj
);
2009 SetTextColor (s
->hdc
, s
->gc
->foreground
);
2010 SetBkColor (s
->hdc
, s
->gc
->background
);
2012 BitBlt (s
->hdc
, x
, y
, s
->img
->width
, s
->img
->height
,
2013 compat_hdc
, 0, 0, SRCCOPY
);
2015 /* When the image has a mask, we can expect that at
2016 least part of a mouse highlight or a block cursor will
2017 be visible. If the image doesn't have a mask, make
2018 a block cursor visible by drawing a rectangle around
2019 the image. I believe it's looking better if we do
2020 nothing here for mouse-face. */
2021 if (s
->hl
== DRAW_CURSOR
)
2023 int r
= s
->img
->relief
;
2025 w32_draw_rectangle (s
->hdc
, s
->gc
, x
- r
, y
- r
,
2026 s
->img
->width
+ r
*2 - 1, s
->img
->height
+ r
*2 - 1);
2030 w32_set_clip_rectangle (s
->hdc
, NULL
);
2031 SelectObject (s
->hdc
, orig_brush
);
2032 DeleteObject (fg_brush
);
2033 SelectObject (compat_hdc
, orig_obj
);
2034 DeleteDC (compat_hdc
);
2037 w32_draw_rectangle (s
->hdc
, s
->gc
, x
, y
, s
->img
->width
-1,
2038 s
->img
->height
- 1);
2040 RestoreDC (s
->hdc
,-1);
2045 /* Draw a relief around the image glyph string S. */
2048 x_draw_image_relief (s
)
2049 struct glyph_string
*s
;
2051 int x0
, y0
, x1
, y1
, thick
, raised_p
;
2054 int y
= s
->ybase
- image_ascent (s
->img
, s
->face
);
2056 /* If first glyph of S has a left box line, start drawing it to the
2057 right of that line. */
2058 if (s
->face
->box
!= FACE_NO_BOX
2059 && s
->first_glyph
->left_box_line_p
)
2060 x
= s
->x
+ abs (s
->face
->box_line_width
);
2064 /* If there is a margin around the image, adjust x- and y-position
2066 x
+= s
->img
->hmargin
;
2067 y
+= s
->img
->vmargin
;
2069 if (s
->hl
== DRAW_IMAGE_SUNKEN
2070 || s
->hl
== DRAW_IMAGE_RAISED
)
2072 thick
= tool_bar_button_relief
>= 0 ? tool_bar_button_relief
: DEFAULT_TOOL_BAR_BUTTON_RELIEF
;
2073 raised_p
= s
->hl
== DRAW_IMAGE_RAISED
;
2077 thick
= abs (s
->img
->relief
);
2078 raised_p
= s
->img
->relief
> 0;
2083 x1
= x
+ s
->img
->width
+ thick
- 1;
2084 y1
= y
+ s
->img
->height
+ thick
- 1;
2086 x_setup_relief_colors (s
);
2087 get_glyph_string_clip_rect (s
, &r
);
2088 w32_draw_relief_rect (s
->f
, x0
, y0
, x1
, y1
, thick
, raised_p
, 1, 1, &r
);
2092 /* Draw the foreground of image glyph string S to PIXMAP. */
2095 w32_draw_image_foreground_1 (s
, pixmap
)
2096 struct glyph_string
*s
;
2099 HDC hdc
= CreateCompatibleDC (s
->hdc
);
2100 HGDIOBJ orig_hdc_obj
= SelectObject (hdc
, pixmap
);
2102 int y
= s
->ybase
- s
->y
- image_ascent (s
->img
, s
->face
);
2104 /* If first glyph of S has a left box line, start drawing it to the
2105 right of that line. */
2106 if (s
->face
->box
!= FACE_NO_BOX
2107 && s
->first_glyph
->left_box_line_p
)
2108 x
= abs (s
->face
->box_line_width
);
2112 /* If there is a margin around the image, adjust x- and y-position
2114 x
+= s
->img
->hmargin
;
2115 y
+= s
->img
->vmargin
;
2119 HDC compat_hdc
= CreateCompatibleDC (hdc
);
2120 HBRUSH fg_brush
= CreateSolidBrush (s
->gc
->foreground
);
2121 HBRUSH orig_brush
= SelectObject (hdc
, fg_brush
);
2122 HGDIOBJ orig_obj
= SelectObject (compat_hdc
, s
->img
->pixmap
);
2126 HDC mask_dc
= CreateCompatibleDC (hdc
);
2127 HGDIOBJ mask_orig_obj
= SelectObject (mask_dc
, s
->img
->mask
);
2129 SetTextColor (hdc
, RGB (0, 0, 0));
2130 SetBkColor (hdc
, RGB (255, 255, 255));
2131 BitBlt (hdc
, x
, y
, s
->img
->width
, s
->img
->height
,
2132 compat_hdc
, 0, 0, SRCINVERT
);
2133 BitBlt (hdc
, x
, y
, s
->img
->width
, s
->img
->height
,
2134 mask_dc
, 0, 0, SRCAND
);
2135 BitBlt (hdc
, x
, y
, s
->img
->width
, s
->img
->height
,
2136 compat_hdc
, 0, 0, SRCINVERT
);
2138 SelectObject (mask_dc
, mask_orig_obj
);
2143 SetTextColor (hdc
, s
->gc
->foreground
);
2144 SetBkColor (hdc
, s
->gc
->background
);
2146 BitBlt (hdc
, x
, y
, s
->img
->width
, s
->img
->height
,
2147 compat_hdc
, 0, 0, SRCCOPY
);
2149 /* When the image has a mask, we can expect that at
2150 least part of a mouse highlight or a block cursor will
2151 be visible. If the image doesn't have a mask, make
2152 a block cursor visible by drawing a rectangle around
2153 the image. I believe it's looking better if we do
2154 nothing here for mouse-face. */
2155 if (s
->hl
== DRAW_CURSOR
)
2157 int r
= s
->img
->relief
;
2159 w32_draw_rectangle (hdc
, s
->gc
, x
- r
, y
- r
,
2160 s
->img
->width
+ r
*2 - 1, s
->img
->height
+ r
*2 - 1);
2164 SelectObject (hdc
, orig_brush
);
2165 DeleteObject (fg_brush
);
2166 SelectObject (compat_hdc
, orig_obj
);
2167 DeleteDC (compat_hdc
);
2170 w32_draw_rectangle (hdc
, s
->gc
, x
, y
, s
->img
->width
- 1,
2171 s
->img
->height
- 1);
2173 SelectObject (hdc
, orig_hdc_obj
);
2178 /* Draw part of the background of glyph string S. X, Y, W, and H
2179 give the rectangle to draw. */
2182 x_draw_glyph_string_bg_rect (s
, x
, y
, w
, h
)
2183 struct glyph_string
*s
;
2186 #if 0 /* TODO: stipple */
2189 /* Fill background with a stipple pattern. */
2190 XSetFillStyle (s
->display
, s
->gc
, FillOpaqueStippled
);
2191 XFillRectangle (s
->display
, s
->window
, s
->gc
, x
, y
, w
, h
);
2192 XSetFillStyle (s
->display
, s
->gc
, FillSolid
);
2196 x_clear_glyph_string_rect (s
, x
, y
, w
, h
);
2200 /* Draw image glyph string S.
2203 s->x +-------------------------
2206 | +-------------------------
2209 | | +-------------------
2215 x_draw_image_glyph_string (s
)
2216 struct glyph_string
*s
;
2219 int box_line_hwidth
= abs (s
->face
->box_line_width
);
2220 int box_line_vwidth
= max (s
->face
->box_line_width
, 0);
2224 height
= s
->height
- 2 * box_line_vwidth
;
2226 /* Fill background with face under the image. Do it only if row is
2227 taller than image or if image has a clip mask to reduce
2229 s
->stippled_p
= s
->face
->stipple
!= 0;
2230 if (height
> s
->img
->height
2234 || s
->img
->pixmap
== 0
2235 || s
->width
!= s
->background_width
)
2237 if (box_line_hwidth
&& s
->first_glyph
->left_box_line_p
)
2238 x
= s
->x
+ box_line_hwidth
;
2242 y
= s
->y
+ box_line_vwidth
;
2243 #if 0 /* TODO: figure out if we need to do this on Windows. */
2246 /* Create a pixmap as large as the glyph string. Fill it
2247 with the background color. Copy the image to it, using
2248 its mask. Copy the temporary pixmap to the display. */
2249 Screen
*screen
= FRAME_X_SCREEN (s
->f
);
2250 int depth
= DefaultDepthOfScreen (screen
);
2252 /* Create a pixmap as large as the glyph string. */
2253 pixmap
= XCreatePixmap (s
->display
, s
->window
,
2254 s
->background_width
,
2257 /* Don't clip in the following because we're working on the
2259 XSetClipMask (s
->display
, s
->gc
, None
);
2261 /* Fill the pixmap with the background color/stipple. */
2264 /* Fill background with a stipple pattern. */
2265 XSetFillStyle (s
->display
, s
->gc
, FillOpaqueStippled
);
2266 XFillRectangle (s
->display
, pixmap
, s
->gc
,
2267 0, 0, s
->background_width
, s
->height
);
2268 XSetFillStyle (s
->display
, s
->gc
, FillSolid
);
2273 XGetGCValues (s
->display
, s
->gc
, GCForeground
| GCBackground
,
2275 XSetForeground (s
->display
, s
->gc
, xgcv
.background
);
2276 XFillRectangle (s
->display
, pixmap
, s
->gc
,
2277 0, 0, s
->background_width
, s
->height
);
2278 XSetForeground (s
->display
, s
->gc
, xgcv
.foreground
);
2283 x_draw_glyph_string_bg_rect (s
, x
, y
, s
->background_width
, height
);
2285 s
->background_filled_p
= 1;
2288 /* Draw the foreground. */
2291 w32_draw_image_foreground_1 (s
, pixmap
);
2292 x_set_glyph_string_clipping (s
);
2294 HDC compat_hdc
= CreateCompatibleDC (s
->hdc
);
2295 HBRUSH fg_brush
= CreateSolidBrush (s
->gc
->foreground
);
2296 HBRUSH orig_brush
= SelectObject (s
->hdc
, fg_brush
);
2297 HGDIOBJ orig_obj
= SelectObject (compat_hdc
, pixmap
);
2299 SetTextColor (s
->hdc
, s
->gc
->foreground
);
2300 SetBkColor (s
->hdc
, s
->gc
->background
);
2301 BitBlt (s
->hdc
, s
->x
, s
->y
, s
->background_width
, s
->height
,
2302 compat_hdc
, 0, 0, SRCCOPY
);
2304 SelectObject (s
->hdc
, orig_brush
);
2305 DeleteObject (fg_brush
);
2306 SelectObject (compat_hdc
, orig_obj
);
2307 DeleteDC (compat_hdc
);
2309 DeleteObject (pixmap
);
2313 x_draw_image_foreground (s
);
2315 /* If we must draw a relief around the image, do it. */
2317 || s
->hl
== DRAW_IMAGE_RAISED
2318 || s
->hl
== DRAW_IMAGE_SUNKEN
)
2319 x_draw_image_relief (s
);
2323 /* Draw stretch glyph string S. */
2326 x_draw_stretch_glyph_string (s
)
2327 struct glyph_string
*s
;
2329 xassert (s
->first_glyph
->type
== STRETCH_GLYPH
);
2330 s
->stippled_p
= s
->face
->stipple
!= 0;
2332 if (s
->hl
== DRAW_CURSOR
2333 && !x_stretch_cursor_p
)
2335 /* If `x-stretch-block-cursor' is nil, don't draw a block cursor
2336 as wide as the stretch glyph. */
2337 int width
= min (FRAME_COLUMN_WIDTH (s
->f
), s
->background_width
);
2340 x_draw_glyph_string_bg_rect (s
, s
->x
, s
->y
, width
, s
->height
);
2342 /* Clear rest using the GC of the original non-cursor face. */
2343 if (width
< s
->background_width
)
2345 XGCValues
*gc
= s
->face
->gc
;
2346 int x
= s
->x
+ width
, y
= s
->y
;
2347 int w
= s
->background_width
- width
, h
= s
->height
;
2351 if (s
->row
->mouse_face_p
2352 && cursor_in_mouse_face_p (s
->w
))
2354 x_set_mouse_face_gc (s
);
2360 get_glyph_string_clip_rect (s
, &r
);
2361 w32_set_clip_rectangle (hdc
, &r
);
2363 #if 0 /* TODO: stipple */
2364 if (s
->face
->stipple
)
2366 /* Fill background with a stipple pattern. */
2367 XSetFillStyle (s
->display
, gc
, FillOpaqueStippled
);
2368 XFillRectangle (s
->display
, s
->window
, gc
, x
, y
, w
, h
);
2369 XSetFillStyle (s
->display
, gc
, FillSolid
);
2374 w32_fill_area (s
->f
, s
->hdc
, gc
->background
, x
, y
, w
, h
);
2378 else if (!s
->background_filled_p
)
2379 x_draw_glyph_string_bg_rect (s
, s
->x
, s
->y
, s
->background_width
,
2382 s
->background_filled_p
= 1;
2386 /* Draw glyph string S. */
2389 x_draw_glyph_string (s
)
2390 struct glyph_string
*s
;
2392 int relief_drawn_p
= 0;
2394 /* If S draws into the background of its successor, draw the
2395 background of the successor first so that S can draw into it.
2396 This makes S->next use XDrawString instead of XDrawImageString. */
2397 if (s
->next
&& s
->right_overhang
&& !s
->for_overlaps_p
)
2399 xassert (s
->next
->img
== NULL
);
2400 x_set_glyph_string_gc (s
->next
);
2401 x_set_glyph_string_clipping (s
->next
);
2402 x_draw_glyph_string_background (s
->next
, 1);
2405 /* Set up S->gc, set clipping and draw S. */
2406 x_set_glyph_string_gc (s
);
2408 /* Draw relief (if any) in advance for char/composition so that the
2409 glyph string can be drawn over it. */
2410 if (!s
->for_overlaps_p
2411 && s
->face
->box
!= FACE_NO_BOX
2412 && (s
->first_glyph
->type
== CHAR_GLYPH
2413 || s
->first_glyph
->type
== COMPOSITE_GLYPH
))
2416 x_set_glyph_string_clipping (s
);
2417 x_draw_glyph_string_background (s
, 1);
2418 x_draw_glyph_string_box (s
);
2419 x_set_glyph_string_clipping (s
);
2423 x_set_glyph_string_clipping (s
);
2425 switch (s
->first_glyph
->type
)
2428 x_draw_image_glyph_string (s
);
2432 x_draw_stretch_glyph_string (s
);
2436 if (s
->for_overlaps_p
)
2437 s
->background_filled_p
= 1;
2439 x_draw_glyph_string_background (s
, 0);
2440 x_draw_glyph_string_foreground (s
);
2443 case COMPOSITE_GLYPH
:
2444 if (s
->for_overlaps_p
|| s
->gidx
> 0)
2445 s
->background_filled_p
= 1;
2447 x_draw_glyph_string_background (s
, 1);
2448 x_draw_composite_glyph_string_foreground (s
);
2455 if (!s
->for_overlaps_p
)
2457 /* Draw underline. */
2458 if (s
->face
->underline_p
2459 && (s
->font
->bdf
|| !s
->font
->tm
.tmUnderlined
))
2461 unsigned long h
= 1;
2462 unsigned long dy
= s
->height
- h
;
2464 /* TODO: Use font information for positioning and thickness
2465 of underline. See OUTLINETEXTMETRIC, and xterm.c. */
2466 if (s
->face
->underline_defaulted_p
)
2468 w32_fill_area (s
->f
, s
->hdc
, s
->gc
->foreground
, s
->x
,
2469 s
->y
+ dy
, s
->width
, 1);
2473 w32_fill_area (s
->f
, s
->hdc
, s
->face
->underline_color
, s
->x
,
2474 s
->y
+ dy
, s
->width
, 1);
2478 /* Draw overline. */
2479 if (s
->face
->overline_p
)
2481 unsigned long dy
= 0, h
= 1;
2483 if (s
->face
->overline_color_defaulted_p
)
2485 w32_fill_area (s
->f
, s
->hdc
, s
->gc
->foreground
, s
->x
,
2486 s
->y
+ dy
, s
->width
, h
);
2490 w32_fill_area (s
->f
, s
->hdc
, s
->face
->underline_color
, s
->x
,
2491 s
->y
+ dy
, s
->width
, h
);
2495 /* Draw strike-through. */
2496 if (s
->face
->strike_through_p
2497 && (s
->font
->bdf
|| !s
->font
->tm
.tmStruckOut
))
2499 unsigned long h
= 1;
2500 unsigned long dy
= (s
->height
- h
) / 2;
2502 if (s
->face
->strike_through_color_defaulted_p
)
2504 w32_fill_area (s
->f
, s
->hdc
, s
->gc
->foreground
, s
->x
, s
->y
+ dy
,
2509 w32_fill_area (s
->f
, s
->hdc
, s
->face
->underline_color
, s
->x
,
2510 s
->y
+ dy
, s
->width
, h
);
2515 if (!relief_drawn_p
&& s
->face
->box
!= FACE_NO_BOX
)
2516 x_draw_glyph_string_box (s
);
2519 /* Reset clipping. */
2520 w32_set_clip_rectangle (s
->hdc
, NULL
);
2524 /* Shift display to make room for inserted glyphs. */
2527 w32_shift_glyphs_for_insert (f
, x
, y
, width
, height
, shift_by
)
2529 int x
, y
, width
, height
, shift_by
;
2533 hdc
= get_frame_dc (f
);
2534 BitBlt (hdc
, x
+ shift_by
, y
, width
, height
,
2535 hdc
, x
, y
, SRCCOPY
);
2537 release_frame_dc (f
, hdc
);
2541 /* Delete N glyphs at the nominal cursor position. Not implemented
2553 f
= SELECTED_FRAME ();
2555 if (! FRAME_W32_P (f
))
2562 /* Clear entire frame. If updating_frame is non-null, clear that
2563 frame. Otherwise clear the selected frame. */
2573 f
= SELECTED_FRAME ();
2575 if (! FRAME_W32_P (f
))
2578 /* Clearing the frame will erase any cursor, so mark them all as no
2580 mark_window_cursors_off (XWINDOW (FRAME_ROOT_WINDOW (f
)));
2581 output_cursor
.hpos
= output_cursor
.vpos
= 0;
2582 output_cursor
.x
= -1;
2584 /* We don't set the output cursor here because there will always
2585 follow an explicit cursor_to. */
2588 w32_clear_window (f
);
2590 /* We have to clear the scroll bars, too. If we have changed
2591 colors or something like that, then they should be notified. */
2592 x_scroll_bar_clear (f
);
2598 /* Make audible bell. */
2601 w32_ring_bell (void)
2605 f
= SELECTED_FRAME ();
2609 if (FRAME_W32_P (f
) && visible_bell
)
2612 HWND hwnd
= FRAME_W32_WINDOW (SELECTED_FRAME ());
2614 for (i
= 0; i
< 5; i
++)
2616 FlashWindow (hwnd
, TRUE
);
2619 FlashWindow (hwnd
, FALSE
);
2622 w32_sys_ring_bell ();
2628 /* Specify how many text lines, from the top of the window,
2629 should be affected by insert-lines and delete-lines operations.
2630 This, and those operations, are used only within an update
2631 that is bounded by calls to x_update_begin and x_update_end. */
2634 w32_set_terminal_window (n
)
2637 /* This function intentionally left blank. */
2641 /***********************************************************************
2643 ***********************************************************************/
2645 /* Perform an insert-lines or delete-lines operation, inserting N
2646 lines or deleting -N lines at vertical position VPOS. */
2649 x_ins_del_lines (vpos
, n
)
2657 f
= SELECTED_FRAME ();
2659 if (! FRAME_W32_P (f
))
2666 /* Scroll part of the display as described by RUN. */
2669 x_scroll_run (w
, run
)
2673 struct frame
*f
= XFRAME (w
->frame
);
2674 int x
, y
, width
, height
, from_y
, to_y
, bottom_y
;
2675 HWND hwnd
= FRAME_W32_WINDOW (f
);
2678 /* Get frame-relative bounding box of the text display area of W,
2679 without mode lines. Include in this box the left and right
2681 window_box (w
, -1, &x
, &y
, &width
, &height
);
2683 from_y
= WINDOW_TO_FRAME_PIXEL_Y (w
, run
->current_y
);
2684 to_y
= WINDOW_TO_FRAME_PIXEL_Y (w
, run
->desired_y
);
2685 bottom_y
= y
+ height
;
2689 /* Scrolling up. Make sure we don't copy part of the mode
2690 line at the bottom. */
2691 if (from_y
+ run
->height
> bottom_y
)
2692 height
= bottom_y
- from_y
;
2694 height
= run
->height
;
2695 expect_dirty
= CreateRectRgn (x
, y
+ height
, x
+ width
, bottom_y
);
2699 /* Scolling down. Make sure we don't copy over the mode line.
2701 if (to_y
+ run
->height
> bottom_y
)
2702 height
= bottom_y
- to_y
;
2704 height
= run
->height
;
2705 expect_dirty
= CreateRectRgn (x
, y
, x
+ width
, to_y
);
2710 /* Cursor off. Will be switched on again in x_update_window_end. */
2717 HRGN dirty
= CreateRectRgn (0, 0, 0, 0);
2718 HRGN combined
= CreateRectRgn (0, 0, 0, 0);
2720 from
.left
= to
.left
= x
;
2721 from
.right
= to
.right
= x
+ width
;
2723 from
.bottom
= from_y
+ height
;
2725 to
.bottom
= bottom_y
;
2727 ScrollWindowEx (hwnd
, 0, to_y
- from_y
, &from
, &to
, dirty
,
2728 NULL
, SW_INVALIDATE
);
2730 /* Combine this with what we expect to be dirty. This covers the
2731 case where not all of the region we expect is actually dirty. */
2732 CombineRgn (combined
, dirty
, expect_dirty
, RGN_OR
);
2734 /* If the dirty region is not what we expected, redraw the entire frame. */
2735 if (!EqualRgn (combined
, expect_dirty
))
2736 SET_FRAME_GARBAGED (f
);
2744 /***********************************************************************
2746 ***********************************************************************/
2752 x_update_cursor (f
, 1);
2756 frame_unhighlight (f
)
2759 x_update_cursor (f
, 1);
2762 /* The focus has changed. Update the frames as necessary to reflect
2763 the new situation. Note that we can't change the selected frame
2764 here, because the Lisp code we are interrupting might become confused.
2765 Each event gets marked with the frame in which it occurred, so the
2766 Lisp code can tell when the switch took place by examining the events. */
2769 x_new_focus_frame (dpyinfo
, frame
)
2770 struct w32_display_info
*dpyinfo
;
2771 struct frame
*frame
;
2773 struct frame
*old_focus
= dpyinfo
->w32_focus_frame
;
2775 if (frame
!= dpyinfo
->w32_focus_frame
)
2777 /* Set this before calling other routines, so that they see
2778 the correct value of w32_focus_frame. */
2779 dpyinfo
->w32_focus_frame
= frame
;
2781 if (old_focus
&& old_focus
->auto_lower
)
2782 x_lower_frame (old_focus
);
2792 if (dpyinfo
->w32_focus_frame
&& dpyinfo
->w32_focus_frame
->auto_raise
)
2793 pending_autoraise_frame
= dpyinfo
->w32_focus_frame
;
2795 pending_autoraise_frame
= 0;
2798 x_frame_rehighlight (dpyinfo
);
2801 /* Handle an event saying the mouse has moved out of an Emacs frame. */
2804 x_mouse_leave (dpyinfo
)
2805 struct w32_display_info
*dpyinfo
;
2807 x_new_focus_frame (dpyinfo
, dpyinfo
->w32_focus_event_frame
);
2810 /* The focus has changed, or we have redirected a frame's focus to
2811 another frame (this happens when a frame uses a surrogate
2812 mini-buffer frame). Shift the highlight as appropriate.
2814 The FRAME argument doesn't necessarily have anything to do with which
2815 frame is being highlighted or un-highlighted; we only use it to find
2816 the appropriate X display info. */
2819 w32_frame_rehighlight (frame
)
2820 struct frame
*frame
;
2822 if (! FRAME_W32_P (frame
))
2824 x_frame_rehighlight (FRAME_W32_DISPLAY_INFO (frame
));
2828 x_frame_rehighlight (dpyinfo
)
2829 struct w32_display_info
*dpyinfo
;
2831 struct frame
*old_highlight
= dpyinfo
->x_highlight_frame
;
2833 if (dpyinfo
->w32_focus_frame
)
2835 dpyinfo
->x_highlight_frame
2836 = ((GC_FRAMEP (FRAME_FOCUS_FRAME (dpyinfo
->w32_focus_frame
)))
2837 ? XFRAME (FRAME_FOCUS_FRAME (dpyinfo
->w32_focus_frame
))
2838 : dpyinfo
->w32_focus_frame
);
2839 if (! FRAME_LIVE_P (dpyinfo
->x_highlight_frame
))
2841 FRAME_FOCUS_FRAME (dpyinfo
->w32_focus_frame
) = Qnil
;
2842 dpyinfo
->x_highlight_frame
= dpyinfo
->w32_focus_frame
;
2846 dpyinfo
->x_highlight_frame
= 0;
2848 if (dpyinfo
->x_highlight_frame
!= old_highlight
)
2851 frame_unhighlight (old_highlight
);
2852 if (dpyinfo
->x_highlight_frame
)
2853 frame_highlight (dpyinfo
->x_highlight_frame
);
2857 /* Keyboard processing - modifier keys, etc. */
2859 /* Convert a keysym to its name. */
2862 x_get_keysym_name (keysym
)
2865 /* Make static so we can always return it */
2866 static char value
[100];
2869 GetKeyNameText (keysym
, value
, 100);
2877 /* Mouse clicks and mouse movement. Rah. */
2879 /* Parse a button MESSAGE. The button index is returned in PBUTTON, and
2880 the state in PUP. XBUTTON provides extra information for extended mouse
2881 button messages. Returns FALSE if unable to parse the message. */
2883 parse_button (message
, xbutton
, pbutton
, pup
)
2894 case WM_LBUTTONDOWN
:
2902 case WM_MBUTTONDOWN
:
2903 if (NILP (Vw32_swap_mouse_buttons
))
2910 if (NILP (Vw32_swap_mouse_buttons
))
2916 case WM_RBUTTONDOWN
:
2917 if (NILP (Vw32_swap_mouse_buttons
))
2924 if (NILP (Vw32_swap_mouse_buttons
))
2930 case WM_XBUTTONDOWN
:
2931 button
= xbutton
+ 2;
2935 button
= xbutton
+ 2;
2943 if (pbutton
) *pbutton
= button
;
2949 /* Prepare a mouse-event in *RESULT for placement in the input queue.
2951 If the event is a button press, then note that we have grabbed
2955 construct_mouse_click (result
, msg
, f
)
2956 struct input_event
*result
;
2963 parse_button (msg
->msg
.message
, HIWORD (msg
->msg
.wParam
),
2966 /* Make the event type NO_EVENT; we'll change that when we decide
2968 result
->kind
= MOUSE_CLICK_EVENT
;
2969 result
->code
= button
;
2970 result
->timestamp
= msg
->msg
.time
;
2971 result
->modifiers
= (msg
->dwModifiers
2976 XSETINT (result
->x
, LOWORD (msg
->msg
.lParam
));
2977 XSETINT (result
->y
, HIWORD (msg
->msg
.lParam
));
2978 XSETFRAME (result
->frame_or_window
, f
);
2984 construct_mouse_wheel (result
, msg
, f
)
2985 struct input_event
*result
;
2992 result
->kind
= WHEEL_EVENT
;
2994 result
->timestamp
= msg
->msg
.time
;
2996 /* A WHEEL_DELTA positive value indicates that the wheel was rotated
2997 forward, away from the user (up); a negative value indicates that
2998 the wheel was rotated backward, toward the user (down). */
2999 delta
= GET_WHEEL_DELTA_WPARAM (msg
->msg
.wParam
);
3001 /* The up and down modifiers indicate if the wheel was rotated up or
3002 down based on WHEEL_DELTA value. */
3003 result
->modifiers
= (msg
->dwModifiers
3004 | ((delta
< 0 ) ? down_modifier
: up_modifier
));
3006 p
.x
= LOWORD (msg
->msg
.lParam
);
3007 p
.y
= HIWORD (msg
->msg
.lParam
);
3008 ScreenToClient (msg
->msg
.hwnd
, &p
);
3009 XSETINT (result
->x
, p
.x
);
3010 XSETINT (result
->y
, p
.y
);
3011 XSETFRAME (result
->frame_or_window
, f
);
3017 construct_drag_n_drop (result
, msg
, f
)
3018 struct input_event
*result
;
3030 result
->kind
= DRAG_N_DROP_EVENT
;
3032 result
->timestamp
= msg
->msg
.time
;
3033 result
->modifiers
= msg
->dwModifiers
;
3035 hdrop
= (HDROP
) msg
->msg
.wParam
;
3036 DragQueryPoint (hdrop
, &p
);
3039 p
.x
= LOWORD (msg
->msg
.lParam
);
3040 p
.y
= HIWORD (msg
->msg
.lParam
);
3041 ScreenToClient (msg
->msg
.hwnd
, &p
);
3044 XSETINT (result
->x
, p
.x
);
3045 XSETINT (result
->y
, p
.y
);
3047 num_files
= DragQueryFile (hdrop
, 0xFFFFFFFF, NULL
, 0);
3050 for (i
= 0; i
< num_files
; i
++)
3052 len
= DragQueryFile (hdrop
, i
, NULL
, 0);
3055 name
= alloca (len
+ 1);
3056 DragQueryFile (hdrop
, i
, name
, len
+ 1);
3057 files
= Fcons (DECODE_FILE (build_string (name
)), files
);
3062 XSETFRAME (frame
, f
);
3063 result
->frame_or_window
= Fcons (frame
, files
);
3069 /* Function to report a mouse movement to the mainstream Emacs code.
3070 The input handler calls this.
3072 We have received a mouse movement event, which is given in *event.
3073 If the mouse is over a different glyph than it was last time, tell
3074 the mainstream emacs code by setting mouse_moved. If not, ask for
3075 another motion event, so we can check again the next time it moves. */
3077 static MSG last_mouse_motion_event
;
3078 static Lisp_Object last_mouse_motion_frame
;
3080 static void remember_mouse_glyph
P_ ((struct frame
*, int, int));
3083 note_mouse_movement (frame
, msg
)
3087 int mouse_x
= LOWORD (msg
->lParam
);
3088 int mouse_y
= HIWORD (msg
->lParam
);
3090 last_mouse_movement_time
= msg
->time
;
3091 memcpy (&last_mouse_motion_event
, msg
, sizeof (last_mouse_motion_event
));
3092 XSETFRAME (last_mouse_motion_frame
, frame
);
3094 if (msg
->hwnd
!= FRAME_W32_WINDOW (frame
))
3096 frame
->mouse_moved
= 1;
3097 last_mouse_scroll_bar
= Qnil
;
3098 note_mouse_highlight (frame
, -1, -1);
3101 /* Has the mouse moved off the glyph it was on at the last sighting? */
3102 else if (mouse_x
< last_mouse_glyph
.left
3103 || mouse_x
> last_mouse_glyph
.right
3104 || mouse_y
< last_mouse_glyph
.top
3105 || mouse_y
> last_mouse_glyph
.bottom
)
3107 frame
->mouse_moved
= 1;
3108 last_mouse_scroll_bar
= Qnil
;
3109 note_mouse_highlight (frame
, mouse_x
, mouse_y
);
3110 /* Remember the mouse position here, as w32_mouse_position only
3111 gets called when mouse tracking is enabled but we also need
3112 to keep track of the mouse for help_echo and highlighting at
3114 remember_mouse_glyph (frame
, mouse_x
, mouse_y
);
3119 /************************************************************************
3121 ************************************************************************/
3123 static struct scroll_bar
*x_window_to_scroll_bar ();
3124 static void x_scroll_bar_report_motion ();
3125 static void x_check_fullscreen
P_ ((struct frame
*));
3126 static int glyph_rect
P_ ((struct frame
*f
, int, int, RECT
*));
3130 redo_mouse_highlight ()
3132 if (!NILP (last_mouse_motion_frame
)
3133 && FRAME_LIVE_P (XFRAME (last_mouse_motion_frame
)))
3134 note_mouse_highlight (XFRAME (last_mouse_motion_frame
),
3135 LOWORD (last_mouse_motion_event
.lParam
),
3136 HIWORD (last_mouse_motion_event
.lParam
));
3140 w32_define_cursor (window
, cursor
)
3144 PostMessage (window
, WM_EMACS_SETCURSOR
, (WPARAM
) cursor
, 0);
3147 /* Try to determine frame pixel position and size of the glyph under
3148 frame pixel coordinates X/Y on frame F . Return the position and
3149 size in *RECT. Value is non-zero if we could compute these
3153 glyph_rect (f
, x
, y
, rect
)
3160 window
= window_from_coordinates (f
, x
, y
, 0, &x
, &y
, 0);
3164 struct window
*w
= XWINDOW (window
);
3165 struct glyph_row
*r
= MATRIX_FIRST_TEXT_ROW (w
->current_matrix
);
3166 struct glyph_row
*end
= r
+ w
->current_matrix
->nrows
- 1;
3168 for (; r
< end
&& r
->enabled_p
; ++r
)
3169 if (r
->y
<= y
&& r
->y
+ r
->height
> y
)
3171 /* Found the row at y. */
3172 struct glyph
*g
= r
->glyphs
[TEXT_AREA
];
3173 struct glyph
*end
= g
+ r
->used
[TEXT_AREA
];
3176 rect
->top
= WINDOW_TO_FRAME_PIXEL_Y (w
, r
->y
);
3177 rect
->bottom
= rect
->top
+ r
->height
;
3181 /* x is to the left of the first glyph in the row. */
3182 /* Shouldn't this be a pixel value?
3183 WINDOW_LEFT_EDGE_X (w) seems to be the right value.
3185 rect
->left
= WINDOW_LEFT_EDGE_COL (w
);
3186 rect
->right
= WINDOW_TO_FRAME_PIXEL_X (w
, r
->x
);
3190 for (gx
= r
->x
; g
< end
; gx
+= g
->pixel_width
, ++g
)
3191 if (gx
<= x
&& gx
+ g
->pixel_width
> x
)
3193 /* x is on a glyph. */
3194 rect
->left
= WINDOW_TO_FRAME_PIXEL_X (w
, gx
);
3195 rect
->right
= rect
->left
+ g
->pixel_width
;
3199 /* x is to the right of the last glyph in the row. */
3200 rect
->left
= WINDOW_TO_FRAME_PIXEL_X (w
, gx
);
3201 /* Shouldn't this be a pixel value?
3202 WINDOW_RIGHT_EDGE_X (w) seems to be the right value.
3204 rect
->right
= WINDOW_RIGHT_EDGE_COL (w
);
3209 /* The y is not on any row. */
3213 /* Record the position of the mouse in last_mouse_glyph. */
3215 remember_mouse_glyph (f1
, gx
, gy
)
3219 if (!glyph_rect (f1
, gx
, gy
, &last_mouse_glyph
))
3221 int width
= FRAME_SMALLEST_CHAR_WIDTH (f1
);
3222 int height
= FRAME_SMALLEST_FONT_HEIGHT (f1
);
3224 /* Arrange for the division in FRAME_PIXEL_X_TO_COL etc. to
3225 round down even for negative values. */
3231 /* This was the original code from XTmouse_position, but it seems
3232 to give the position of the glyph diagonally next to the one
3233 the mouse is over. */
3234 gx
= (gx
+ width
- 1) / width
* width
;
3235 gy
= (gy
+ height
- 1) / height
* height
;
3237 gx
= gx
/ width
* width
;
3238 gy
= gy
/ height
* height
;
3241 last_mouse_glyph
.left
= gx
;
3242 last_mouse_glyph
.top
= gy
;
3243 last_mouse_glyph
.right
= gx
+ width
;
3244 last_mouse_glyph
.bottom
= gy
+ height
;
3248 /* Return the current position of the mouse.
3249 *fp should be a frame which indicates which display to ask about.
3251 If the mouse movement started in a scroll bar, set *fp, *bar_window,
3252 and *part to the frame, window, and scroll bar part that the mouse
3253 is over. Set *x and *y to the portion and whole of the mouse's
3254 position on the scroll bar.
3256 If the mouse movement started elsewhere, set *fp to the frame the
3257 mouse is on, *bar_window to nil, and *x and *y to the character cell
3260 Set *time to the server time-stamp for the time at which the mouse
3261 was at this position.
3263 Don't store anything if we don't have a valid set of values to report.
3265 This clears the mouse_moved flag, so we can wait for the next mouse
3269 w32_mouse_position (fp
, insist
, bar_window
, part
, x
, y
, time
)
3272 Lisp_Object
*bar_window
;
3273 enum scroll_bar_part
*part
;
3275 unsigned long *time
;
3281 if (! NILP (last_mouse_scroll_bar
) && insist
== 0)
3282 x_scroll_bar_report_motion (fp
, bar_window
, part
, x
, y
, time
);
3287 Lisp_Object frame
, tail
;
3289 /* Clear the mouse-moved flag for every frame on this display. */
3290 FOR_EACH_FRAME (tail
, frame
)
3291 XFRAME (frame
)->mouse_moved
= 0;
3293 last_mouse_scroll_bar
= Qnil
;
3297 /* Now we have a position on the root; find the innermost window
3298 containing the pointer. */
3300 if (FRAME_W32_DISPLAY_INFO (*fp
)->grabbed
&& last_mouse_frame
3301 && FRAME_LIVE_P (last_mouse_frame
))
3303 /* If mouse was grabbed on a frame, give coords for that frame
3304 even if the mouse is now outside it. */
3305 f1
= last_mouse_frame
;
3309 /* Is window under mouse one of our frames? */
3310 f1
= x_any_window_to_frame (FRAME_W32_DISPLAY_INFO (*fp
),
3311 WindowFromPoint (pt
));
3314 /* If not, is it one of our scroll bars? */
3317 struct scroll_bar
*bar
3318 = x_window_to_scroll_bar (WindowFromPoint (pt
));
3322 f1
= XFRAME (WINDOW_FRAME (XWINDOW (bar
->window
)));
3326 if (f1
== 0 && insist
> 0)
3327 f1
= SELECTED_FRAME ();
3331 /* Ok, we found a frame. Store all the values.
3332 last_mouse_glyph is a rectangle used to reduce the
3333 generation of mouse events. To not miss any motion
3334 events, we must divide the frame into rectangles of the
3335 size of the smallest character that could be displayed
3336 on it, i.e. into the same rectangles that matrices on
3337 the frame are divided into. */
3339 #if OLD_REDISPLAY_CODE
3340 int ignore1
, ignore2
;
3342 ScreenToClient (FRAME_W32_WINDOW (f1
), &pt
);
3344 pixel_to_glyph_coords (f1
, pt
.x
, pt
.y
, &ignore1
, &ignore2
,
3346 FRAME_W32_DISPLAY_INFO (f1
)->grabbed
3349 ScreenToClient (FRAME_W32_WINDOW (f1
), &pt
);
3350 remember_mouse_glyph (f1
, pt
.x
, pt
.y
);
3358 *time
= last_mouse_movement_time
;
3367 /***********************************************************************
3369 ***********************************************************************/
3371 /* Handle mouse button event on the tool-bar of frame F, at
3372 frame-relative coordinates X/Y. EVENT_TYPE is either ButtionPress
3376 w32_handle_tool_bar_click (f
, button_event
)
3378 struct input_event
*button_event
;
3380 int x
= XFASTINT (button_event
->x
);
3381 int y
= XFASTINT (button_event
->y
);
3383 if (button_event
->modifiers
& down_modifier
)
3384 handle_tool_bar_click (f
, x
, y
, 1, 0);
3386 handle_tool_bar_click (f
, x
, y
, 0,
3387 button_event
->modifiers
& ~up_modifier
);
3392 /***********************************************************************
3394 ***********************************************************************/
3396 /* Scroll bar support. */
3398 /* Given a window ID, find the struct scroll_bar which manages it.
3399 This can be called in GC, so we have to make sure to strip off mark
3402 static struct scroll_bar
*
3403 x_window_to_scroll_bar (window_id
)
3408 for (tail
= Vframe_list
;
3409 XGCTYPE (tail
) == Lisp_Cons
;
3412 Lisp_Object frame
, bar
, condemned
;
3414 frame
= XCAR (tail
);
3415 /* All elements of Vframe_list should be frames. */
3416 if (! GC_FRAMEP (frame
))
3419 /* Scan this frame's scroll bar list for a scroll bar with the
3421 condemned
= FRAME_CONDEMNED_SCROLL_BARS (XFRAME (frame
));
3422 for (bar
= FRAME_SCROLL_BARS (XFRAME (frame
));
3423 /* This trick allows us to search both the ordinary and
3424 condemned scroll bar lists with one loop. */
3425 ! GC_NILP (bar
) || (bar
= condemned
,
3428 bar
= XSCROLL_BAR (bar
)->next
)
3429 if (SCROLL_BAR_W32_WINDOW (XSCROLL_BAR (bar
)) == window_id
)
3430 return XSCROLL_BAR (bar
);
3438 /* Set the thumb size and position of scroll bar BAR. We are currently
3439 displaying PORTION out of a whole WHOLE, and our position POSITION. */
3442 w32_set_scroll_bar_thumb (bar
, portion
, position
, whole
)
3443 struct scroll_bar
*bar
;
3444 int portion
, position
, whole
;
3446 Window w
= SCROLL_BAR_W32_WINDOW (bar
);
3447 double range
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
));
3448 int sb_page
, sb_pos
;
3449 BOOL draggingp
= !NILP (bar
->dragging
) ? TRUE
: FALSE
;
3453 /* Position scroll bar at rock bottom if the bottom of the
3454 buffer is visible. This avoids shinking the thumb away
3455 to nothing if it is held at the bottom of the buffer. */
3456 if (position
+ portion
>= whole
)
3458 sb_page
= range
* (whole
- position
) / whole
3459 + VERTICAL_SCROLL_BAR_MIN_HANDLE
;
3463 sb_page
= portion
* range
/ whole
+ VERTICAL_SCROLL_BAR_MIN_HANDLE
;
3464 sb_pos
= position
* range
/ whole
;
3474 if (pfnSetScrollInfo
)
3478 si
.cbSize
= sizeof (si
);
3479 /* Only update page size if currently dragging, to reduce
3482 si
.fMask
= SIF_PAGE
;
3484 si
.fMask
= SIF_PAGE
| SIF_POS
;
3488 pfnSetScrollInfo (w
, SB_CTL
, &si
, !draggingp
);
3491 SetScrollPos (w
, SB_CTL
, sb_pos
, !draggingp
);
3497 /************************************************************************
3498 Scroll bars, general
3499 ************************************************************************/
3502 my_create_scrollbar (f
, bar
)
3504 struct scroll_bar
* bar
;
3506 return (HWND
) SendMessage (FRAME_W32_WINDOW (f
),
3507 WM_EMACS_CREATESCROLLBAR
, (WPARAM
) f
,
3511 /*#define ATTACH_THREADS*/
3514 my_show_window (FRAME_PTR f
, HWND hwnd
, int how
)
3516 #ifndef ATTACH_THREADS
3517 return SendMessage (FRAME_W32_WINDOW (f
), WM_EMACS_SHOWWINDOW
,
3518 (WPARAM
) hwnd
, (LPARAM
) how
);
3520 return ShowWindow (hwnd
, how
);
3525 my_set_window_pos (HWND hwnd
, HWND hwndAfter
,
3526 int x
, int y
, int cx
, int cy
, UINT flags
)
3528 #ifndef ATTACH_THREADS
3530 pos
.hwndInsertAfter
= hwndAfter
;
3536 SendMessage (hwnd
, WM_EMACS_SETWINDOWPOS
, (WPARAM
) &pos
, 0);
3538 SetWindowPos (hwnd
, hwndAfter
, x
, y
, cx
, cy
, flags
);
3543 my_set_focus (f
, hwnd
)
3547 SendMessage (FRAME_W32_WINDOW (f
), WM_EMACS_SETFOCUS
,
3552 my_set_foreground_window (hwnd
)
3555 SendMessage (hwnd
, WM_EMACS_SETFOREGROUND
, (WPARAM
) hwnd
, 0);
3559 my_destroy_window (f
, hwnd
)
3563 SendMessage (FRAME_W32_WINDOW (f
), WM_EMACS_DESTROYWINDOW
,
3567 /* Create a scroll bar and return the scroll bar vector for it. W is
3568 the Emacs window on which to create the scroll bar. TOP, LEFT,
3569 WIDTH and HEIGHT are.the pixel coordinates and dimensions of the
3572 static struct scroll_bar
*
3573 x_scroll_bar_create (w
, top
, left
, width
, height
)
3575 int top
, left
, width
, height
;
3577 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
3579 struct scroll_bar
*bar
3580 = XSCROLL_BAR (Fmake_vector (make_number (SCROLL_BAR_VEC_SIZE
), Qnil
));
3584 XSETWINDOW (bar
->window
, w
);
3585 XSETINT (bar
->top
, top
);
3586 XSETINT (bar
->left
, left
);
3587 XSETINT (bar
->width
, width
);
3588 XSETINT (bar
->height
, height
);
3589 XSETINT (bar
->start
, 0);
3590 XSETINT (bar
->end
, 0);
3591 bar
->dragging
= Qnil
;
3593 /* Requires geometry to be set before call to create the real window */
3595 hwnd
= my_create_scrollbar (f
, bar
);
3597 if (pfnSetScrollInfo
)
3601 si
.cbSize
= sizeof (si
);
3604 si
.nMax
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, height
)
3605 + VERTICAL_SCROLL_BAR_MIN_HANDLE
;
3609 pfnSetScrollInfo (hwnd
, SB_CTL
, &si
, FALSE
);
3613 SetScrollRange (hwnd
, SB_CTL
, 0,
3614 VERTICAL_SCROLL_BAR_TOP_RANGE (f
, height
), FALSE
);
3615 SetScrollPos (hwnd
, SB_CTL
, 0, FALSE
);
3618 SET_SCROLL_BAR_W32_WINDOW (bar
, hwnd
);
3620 /* Add bar to its frame's list of scroll bars. */
3621 bar
->next
= FRAME_SCROLL_BARS (f
);
3623 XSETVECTOR (FRAME_SCROLL_BARS (f
), bar
);
3624 if (! NILP (bar
->next
))
3625 XSETVECTOR (XSCROLL_BAR (bar
->next
)->prev
, bar
);
3633 /* Destroy scroll bar BAR, and set its Emacs window's scroll bar to
3637 x_scroll_bar_remove (bar
)
3638 struct scroll_bar
*bar
;
3640 FRAME_PTR f
= XFRAME (WINDOW_FRAME (XWINDOW (bar
->window
)));
3644 /* Destroy the window. */
3645 my_destroy_window (f
, SCROLL_BAR_W32_WINDOW (bar
));
3647 /* Disassociate this scroll bar from its window. */
3648 XWINDOW (bar
->window
)->vertical_scroll_bar
= Qnil
;
3653 /* Set the handle of the vertical scroll bar for WINDOW to indicate
3654 that we are displaying PORTION characters out of a total of WHOLE
3655 characters, starting at POSITION. If WINDOW has no scroll bar,
3658 w32_set_vertical_scroll_bar (w
, portion
, whole
, position
)
3660 int portion
, whole
, position
;
3662 struct frame
*f
= XFRAME (w
->frame
);
3663 struct scroll_bar
*bar
;
3664 int top
, height
, left
, sb_left
, width
, sb_width
;
3665 int window_y
, window_height
;
3667 /* Get window dimensions. */
3668 window_box (w
, -1, 0, &window_y
, 0, &window_height
);
3670 width
= WINDOW_CONFIG_SCROLL_BAR_COLS (w
) * FRAME_COLUMN_WIDTH (f
);
3671 height
= window_height
;
3673 /* Compute the left edge of the scroll bar area. */
3674 left
= WINDOW_SCROLL_BAR_AREA_X (w
);
3676 /* Compute the width of the scroll bar which might be less than
3677 the width of the area reserved for the scroll bar. */
3678 if (WINDOW_CONFIG_SCROLL_BAR_WIDTH (w
) > 0)
3679 sb_width
= WINDOW_CONFIG_SCROLL_BAR_WIDTH (w
);
3683 /* Compute the left edge of the scroll bar. */
3684 if (WINDOW_HAS_VERTICAL_SCROLL_BAR_ON_RIGHT (w
))
3685 sb_left
= left
+ width
- sb_width
- (width
- sb_width
) / 2;
3687 sb_left
= left
+ (width
- sb_width
) / 2;
3689 /* Does the scroll bar exist yet? */
3690 if (NILP (w
->vertical_scroll_bar
))
3694 if (width
> 0 && height
> 0)
3696 hdc
= get_frame_dc (f
);
3697 w32_clear_area (f
, hdc
, left
, top
, width
, height
);
3698 release_frame_dc (f
, hdc
);
3702 bar
= x_scroll_bar_create (w
, top
, sb_left
, sb_width
, height
);
3706 /* It may just need to be moved and resized. */
3709 bar
= XSCROLL_BAR (w
->vertical_scroll_bar
);
3710 hwnd
= SCROLL_BAR_W32_WINDOW (bar
);
3712 /* If already correctly positioned, do nothing. */
3713 if ( XINT (bar
->left
) == sb_left
3714 && XINT (bar
->top
) == top
3715 && XINT (bar
->width
) == sb_width
3716 && XINT (bar
->height
) == height
)
3718 /* Redraw after clear_frame. */
3719 if (!my_show_window (f
, hwnd
, SW_NORMAL
))
3720 InvalidateRect (hwnd
, NULL
, FALSE
);
3726 if (width
&& height
)
3728 hdc
= get_frame_dc (f
);
3729 /* Since Windows scroll bars are smaller than the space reserved
3730 for them on the frame, we have to clear "under" them. */
3731 w32_clear_area (f
, hdc
,
3736 release_frame_dc (f
, hdc
);
3738 /* Make sure scroll bar is "visible" before moving, to ensure the
3739 area of the parent window now exposed will be refreshed. */
3740 my_show_window (f
, hwnd
, SW_HIDE
);
3741 MoveWindow (hwnd
, sb_left
+ VERTICAL_SCROLL_BAR_WIDTH_TRIM
,
3742 top
, sb_width
- VERTICAL_SCROLL_BAR_WIDTH_TRIM
* 2,
3743 max (height
, 1), TRUE
);
3744 if (pfnSetScrollInfo
)
3748 si
.cbSize
= sizeof (si
);
3749 si
.fMask
= SIF_RANGE
;
3751 si
.nMax
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, height
)
3752 + VERTICAL_SCROLL_BAR_MIN_HANDLE
;
3754 pfnSetScrollInfo (hwnd
, SB_CTL
, &si
, FALSE
);
3757 SetScrollRange (hwnd
, SB_CTL
, 0,
3758 VERTICAL_SCROLL_BAR_TOP_RANGE (f
, height
), FALSE
);
3759 my_show_window (f
, hwnd
, SW_NORMAL
);
3760 /* InvalidateRect (w, NULL, FALSE); */
3762 /* Remember new settings. */
3763 XSETINT (bar
->left
, sb_left
);
3764 XSETINT (bar
->top
, top
);
3765 XSETINT (bar
->width
, sb_width
);
3766 XSETINT (bar
->height
, height
);
3771 w32_set_scroll_bar_thumb (bar
, portion
, position
, whole
);
3773 XSETVECTOR (w
->vertical_scroll_bar
, bar
);
3777 /* The following three hooks are used when we're doing a thorough
3778 redisplay of the frame. We don't explicitly know which scroll bars
3779 are going to be deleted, because keeping track of when windows go
3780 away is a real pain - "Can you say set-window-configuration, boys
3781 and girls?" Instead, we just assert at the beginning of redisplay
3782 that *all* scroll bars are to be removed, and then save a scroll bar
3783 from the fiery pit when we actually redisplay its window. */
3785 /* Arrange for all scroll bars on FRAME to be removed at the next call
3786 to `*judge_scroll_bars_hook'. A scroll bar may be spared if
3787 `*redeem_scroll_bar_hook' is applied to its window before the judgment. */
3790 w32_condemn_scroll_bars (frame
)
3793 /* Transfer all the scroll bars to FRAME_CONDEMNED_SCROLL_BARS. */
3794 while (! NILP (FRAME_SCROLL_BARS (frame
)))
3797 bar
= FRAME_SCROLL_BARS (frame
);
3798 FRAME_SCROLL_BARS (frame
) = XSCROLL_BAR (bar
)->next
;
3799 XSCROLL_BAR (bar
)->next
= FRAME_CONDEMNED_SCROLL_BARS (frame
);
3800 XSCROLL_BAR (bar
)->prev
= Qnil
;
3801 if (! NILP (FRAME_CONDEMNED_SCROLL_BARS (frame
)))
3802 XSCROLL_BAR (FRAME_CONDEMNED_SCROLL_BARS (frame
))->prev
= bar
;
3803 FRAME_CONDEMNED_SCROLL_BARS (frame
) = bar
;
3808 /* Un-mark WINDOW's scroll bar for deletion in this judgment cycle.
3809 Note that WINDOW isn't necessarily condemned at all. */
3812 w32_redeem_scroll_bar (window
)
3813 struct window
*window
;
3815 struct scroll_bar
*bar
;
3818 /* We can't redeem this window's scroll bar if it doesn't have one. */
3819 if (NILP (window
->vertical_scroll_bar
))
3822 bar
= XSCROLL_BAR (window
->vertical_scroll_bar
);
3824 /* Unlink it from the condemned list. */
3825 f
= XFRAME (WINDOW_FRAME (window
));
3826 if (NILP (bar
->prev
))
3828 /* If the prev pointer is nil, it must be the first in one of
3830 if (EQ (FRAME_SCROLL_BARS (f
), window
->vertical_scroll_bar
))
3831 /* It's not condemned. Everything's fine. */
3833 else if (EQ (FRAME_CONDEMNED_SCROLL_BARS (f
),
3834 window
->vertical_scroll_bar
))
3835 FRAME_CONDEMNED_SCROLL_BARS (f
) = bar
->next
;
3837 /* If its prev pointer is nil, it must be at the front of
3838 one or the other! */
3842 XSCROLL_BAR (bar
->prev
)->next
= bar
->next
;
3844 if (! NILP (bar
->next
))
3845 XSCROLL_BAR (bar
->next
)->prev
= bar
->prev
;
3847 bar
->next
= FRAME_SCROLL_BARS (f
);
3849 XSETVECTOR (FRAME_SCROLL_BARS (f
), bar
);
3850 if (! NILP (bar
->next
))
3851 XSETVECTOR (XSCROLL_BAR (bar
->next
)->prev
, bar
);
3854 /* Remove all scroll bars on FRAME that haven't been saved since the
3855 last call to `*condemn_scroll_bars_hook'. */
3858 w32_judge_scroll_bars (f
)
3861 Lisp_Object bar
, next
;
3863 bar
= FRAME_CONDEMNED_SCROLL_BARS (f
);
3865 /* Clear out the condemned list now so we won't try to process any
3866 more events on the hapless scroll bars. */
3867 FRAME_CONDEMNED_SCROLL_BARS (f
) = Qnil
;
3869 for (; ! NILP (bar
); bar
= next
)
3871 struct scroll_bar
*b
= XSCROLL_BAR (bar
);
3873 x_scroll_bar_remove (b
);
3876 b
->next
= b
->prev
= Qnil
;
3879 /* Now there should be no references to the condemned scroll bars,
3880 and they should get garbage-collected. */
3883 /* Handle a mouse click on the scroll bar BAR. If *EMACS_EVENT's kind
3884 is set to something other than NO_EVENT, it is enqueued.
3886 This may be called from a signal handler, so we have to ignore GC
3890 w32_scroll_bar_handle_click (bar
, msg
, emacs_event
)
3891 struct scroll_bar
*bar
;
3893 struct input_event
*emacs_event
;
3895 if (! GC_WINDOWP (bar
->window
))
3898 emacs_event
->kind
= W32_SCROLL_BAR_CLICK_EVENT
;
3899 emacs_event
->code
= 0;
3900 /* not really meaningful to distinguish up/down */
3901 emacs_event
->modifiers
= msg
->dwModifiers
;
3902 emacs_event
->frame_or_window
= bar
->window
;
3903 emacs_event
->arg
= Qnil
;
3904 emacs_event
->timestamp
= msg
->msg
.time
;
3907 int top_range
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
));
3909 int dragging
= !NILP (bar
->dragging
);
3911 if (pfnGetScrollInfo
)
3915 si
.cbSize
= sizeof (si
);
3918 pfnGetScrollInfo ((HWND
) msg
->msg
.lParam
, SB_CTL
, &si
);
3922 y
= GetScrollPos ((HWND
) msg
->msg
.lParam
, SB_CTL
);
3924 bar
->dragging
= Qnil
;
3927 last_mouse_scroll_bar_pos
= msg
->msg
.wParam
;
3929 switch (LOWORD (msg
->msg
.wParam
))
3932 emacs_event
->part
= scroll_bar_down_arrow
;
3935 emacs_event
->part
= scroll_bar_up_arrow
;
3938 emacs_event
->part
= scroll_bar_above_handle
;
3941 emacs_event
->part
= scroll_bar_below_handle
;
3944 emacs_event
->part
= scroll_bar_handle
;
3948 emacs_event
->part
= scroll_bar_handle
;
3952 case SB_THUMBPOSITION
:
3953 if (VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
)) <= 0xffff)
3954 y
= HIWORD (msg
->msg
.wParam
);
3956 emacs_event
->part
= scroll_bar_handle
;
3958 /* "Silently" update current position. */
3959 if (pfnSetScrollInfo
)
3963 si
.cbSize
= sizeof (si
);
3966 /* Remember apparent position (we actually lag behind the real
3967 position, so don't set that directly. */
3968 last_scroll_bar_drag_pos
= y
;
3970 pfnSetScrollInfo (SCROLL_BAR_W32_WINDOW (bar
), SB_CTL
, &si
, FALSE
);
3973 SetScrollPos (SCROLL_BAR_W32_WINDOW (bar
), SB_CTL
, y
, FALSE
);
3976 /* If this is the end of a drag sequence, then reset the scroll
3977 handle size to normal and do a final redraw. Otherwise do
3981 if (pfnSetScrollInfo
)
3984 int start
= XINT (bar
->start
);
3985 int end
= XINT (bar
->end
);
3987 si
.cbSize
= sizeof (si
);
3988 si
.fMask
= SIF_PAGE
| SIF_POS
;
3989 si
.nPage
= end
- start
+ VERTICAL_SCROLL_BAR_MIN_HANDLE
;
3990 si
.nPos
= last_scroll_bar_drag_pos
;
3991 pfnSetScrollInfo (SCROLL_BAR_W32_WINDOW (bar
), SB_CTL
, &si
, TRUE
);
3994 SetScrollPos (SCROLL_BAR_W32_WINDOW (bar
), SB_CTL
, y
, TRUE
);
3998 emacs_event
->kind
= NO_EVENT
;
4002 XSETINT (emacs_event
->x
, y
);
4003 XSETINT (emacs_event
->y
, top_range
);
4009 /* Return information to the user about the current position of the mouse
4010 on the scroll bar. */
4013 x_scroll_bar_report_motion (fp
, bar_window
, part
, x
, y
, time
)
4015 Lisp_Object
*bar_window
;
4016 enum scroll_bar_part
*part
;
4018 unsigned long *time
;
4020 struct scroll_bar
*bar
= XSCROLL_BAR (last_mouse_scroll_bar
);
4021 Window w
= SCROLL_BAR_W32_WINDOW (bar
);
4022 FRAME_PTR f
= XFRAME (WINDOW_FRAME (XWINDOW (bar
->window
)));
4024 int top_range
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
));
4029 *bar_window
= bar
->window
;
4031 if (pfnGetScrollInfo
)
4035 si
.cbSize
= sizeof (si
);
4036 si
.fMask
= SIF_POS
| SIF_PAGE
| SIF_RANGE
;
4038 pfnGetScrollInfo (w
, SB_CTL
, &si
);
4040 top_range
= si
.nMax
- si
.nPage
+ 1;
4043 pos
= GetScrollPos (w
, SB_CTL
);
4045 switch (LOWORD (last_mouse_scroll_bar_pos
))
4047 case SB_THUMBPOSITION
:
4049 *part
= scroll_bar_handle
;
4050 if (VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
)) <= 0xffff)
4051 pos
= HIWORD (last_mouse_scroll_bar_pos
);
4054 *part
= scroll_bar_handle
;
4058 *part
= scroll_bar_handle
;
4063 XSETINT (*y
, top_range
);
4066 last_mouse_scroll_bar
= Qnil
;
4068 *time
= last_mouse_movement_time
;
4074 /* The screen has been cleared so we may have changed foreground or
4075 background colors, and the scroll bars may need to be redrawn.
4076 Clear out the scroll bars, and ask for expose events, so we can
4080 x_scroll_bar_clear (f
)
4085 /* We can have scroll bars even if this is 0,
4086 if we just turned off scroll bar mode.
4087 But in that case we should not clear them. */
4088 if (FRAME_HAS_VERTICAL_SCROLL_BARS (f
))
4089 for (bar
= FRAME_SCROLL_BARS (f
); VECTORP (bar
);
4090 bar
= XSCROLL_BAR (bar
)->next
)
4092 HWND window
= SCROLL_BAR_W32_WINDOW (XSCROLL_BAR (bar
));
4093 HDC hdc
= GetDC (window
);
4096 /* Hide scroll bar until ready to repaint. x_scroll_bar_move
4097 arranges to refresh the scroll bar if hidden. */
4098 my_show_window (f
, window
, SW_HIDE
);
4100 GetClientRect (window
, &rect
);
4101 select_palette (f
, hdc
);
4102 w32_clear_rect (f
, hdc
, &rect
);
4103 deselect_palette (f
, hdc
);
4105 ReleaseDC (window
, hdc
);
4110 /* The main W32 event-reading loop - w32_read_socket. */
4112 /* Record the last 100 characters stored
4113 to help debug the loss-of-chars-during-GC problem. */
4115 static int temp_index
;
4116 static short temp_buffer
[100];
4119 /* Read events coming from the W32 shell.
4120 This routine is called by the SIGIO handler.
4121 We return as soon as there are no more events to be read.
4123 Events representing keys are stored in buffer BUFP,
4124 which can hold up to NUMCHARS characters.
4125 We return the number of characters stored into the buffer,
4126 thus pretending to be `read'.
4128 EXPECTED is nonzero if the caller knows input is available.
4130 Some of these messages are reposted back to the message queue since the
4131 system calls the windows proc directly in a context where we cannot return
4132 the data nor can we guarantee the state we are in. So if we dispatch them
4133 we will get into an infinite loop. To prevent this from ever happening we
4134 will set a variable to indicate we are in the read_socket call and indicate
4135 which message we are processing since the windows proc gets called
4136 recursively with different messages by the system.
4140 w32_read_socket (sd
, bufp
, numchars
, expected
)
4142 /* register */ struct input_event
*bufp
;
4143 /* register */ int numchars
;
4147 int check_visibility
= 0;
4150 struct w32_display_info
*dpyinfo
= &one_w32_display_info
;
4152 if (interrupt_input_blocked
)
4154 interrupt_input_pending
= 1;
4158 interrupt_input_pending
= 0;
4161 /* So people can tell when we have read the available input. */
4162 input_signal_count
++;
4165 abort (); /* Don't think this happens. */
4167 /* TODO: tool-bars, ghostscript integration, mouse
4169 while (get_next_msg (&msg
, FALSE
))
4171 switch (msg
.msg
.message
)
4174 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4178 if (msg
.rect
.right
== msg
.rect
.left
||
4179 msg
.rect
.bottom
== msg
.rect
.top
)
4181 /* We may get paint messages even though the client
4182 area is clipped - these are not expose events. */
4183 DebPrint (("clipped frame %p (%s) got WM_PAINT - ignored\n", f
,
4186 else if (f
->async_visible
!= 1)
4188 /* Definitely not obscured, so mark as visible. */
4189 f
->async_visible
= 1;
4190 f
->async_iconified
= 0;
4191 SET_FRAME_GARBAGED (f
);
4192 DebPrint (("frame %p (%s) reexposed by WM_PAINT\n", f
,
4195 /* WM_PAINT serves as MapNotify as well, so report
4196 visibility changes properly. */
4199 bufp
->kind
= DEICONIFY_EVENT
;
4200 XSETFRAME (bufp
->frame_or_window
, f
);
4206 else if (! NILP (Vframe_list
)
4207 && ! NILP (XCDR (Vframe_list
)))
4208 /* Force a redisplay sooner or later to update the
4209 frame titles in case this is the second frame. */
4210 record_asynch_buffer_change ();
4214 HDC hdc
= get_frame_dc (f
);
4216 /* Erase background again for safety. */
4217 w32_clear_rect (f
, hdc
, &msg
.rect
);
4218 release_frame_dc (f
, hdc
);
4222 msg
.rect
.right
- msg
.rect
.left
,
4223 msg
.rect
.bottom
- msg
.rect
.top
);
4228 case WM_INPUTLANGCHANGE
:
4229 /* Generate a language change event. */
4230 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4237 bufp
->kind
= LANGUAGE_CHANGE_EVENT
;
4238 XSETFRAME (bufp
->frame_or_window
, f
);
4240 bufp
->code
= msg
.msg
.wParam
;
4241 bufp
->modifiers
= msg
.msg
.lParam
& 0xffff;
4250 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4252 if (f
&& !f
->iconified
)
4254 if (!dpyinfo
->mouse_face_hidden
&& INTEGERP (Vmouse_highlight
))
4256 dpyinfo
->mouse_face_hidden
= 1;
4257 clear_mouse_face (dpyinfo
);
4260 if (temp_index
== sizeof temp_buffer
/ sizeof (short))
4262 temp_buffer
[temp_index
++] = msg
.msg
.wParam
;
4263 bufp
->kind
= NON_ASCII_KEYSTROKE_EVENT
;
4264 bufp
->code
= msg
.msg
.wParam
;
4265 bufp
->modifiers
= msg
.dwModifiers
;
4266 XSETFRAME (bufp
->frame_or_window
, f
);
4268 bufp
->timestamp
= msg
.msg
.time
;
4277 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4279 if (f
&& !f
->iconified
)
4281 if (!dpyinfo
->mouse_face_hidden
&& INTEGERP (Vmouse_highlight
))
4283 dpyinfo
->mouse_face_hidden
= 1;
4284 clear_mouse_face (dpyinfo
);
4287 if (temp_index
== sizeof temp_buffer
/ sizeof (short))
4289 temp_buffer
[temp_index
++] = msg
.msg
.wParam
;
4290 bufp
->kind
= ASCII_KEYSTROKE_EVENT
;
4291 bufp
->code
= msg
.msg
.wParam
;
4292 bufp
->modifiers
= msg
.dwModifiers
;
4293 XSETFRAME (bufp
->frame_or_window
, f
);
4295 bufp
->timestamp
= msg
.msg
.time
;
4303 /* Ignore non-movement. */
4305 int x
= LOWORD (msg
.msg
.lParam
);
4306 int y
= HIWORD (msg
.msg
.lParam
);
4307 if (x
== last_mousemove_x
&& y
== last_mousemove_y
)
4309 last_mousemove_x
= x
;
4310 last_mousemove_y
= y
;
4313 previous_help_echo_string
= help_echo_string
;
4315 if (dpyinfo
->grabbed
&& last_mouse_frame
4316 && FRAME_LIVE_P (last_mouse_frame
))
4317 f
= last_mouse_frame
;
4319 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4321 if (dpyinfo
->mouse_face_hidden
)
4323 dpyinfo
->mouse_face_hidden
= 0;
4324 clear_mouse_face (dpyinfo
);
4329 /* Generate SELECT_WINDOW_EVENTs when needed. */
4330 if (mouse_autoselect_window
)
4333 int x
= LOWORD (msg
.msg
.lParam
);
4334 int y
= HIWORD (msg
.msg
.lParam
);
4336 window
= window_from_coordinates (f
, x
, y
, 0, 0, 0, 0);
4338 /* Window will be selected only when it is not
4339 selected now and last mouse movement event was
4340 not in it. Minibuffer window will be selected
4341 iff it is active. */
4343 && !EQ (window
, last_window
)
4344 && !EQ (window
, selected_window
)
4347 bufp
->kind
= SELECT_WINDOW_EVENT
;
4348 bufp
->frame_or_window
= window
;
4350 ++bufp
, ++count
, --numchars
;
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 (help_echo_string
!= previous_help_echo_string
||
4367 (!NILP (help_echo_string
) && !STRINGP (help_echo_string
) && f
->mouse_moved
))
4372 if (help_echo_string
== Qnil
)
4374 help_echo_object
= help_echo_window
= Qnil
;
4379 XSETFRAME (frame
, f
);
4383 any_help_event_p
= 1;
4384 n
= gen_help_event (bufp
, numchars
, help_echo_string
, frame
,
4385 help_echo_window
, help_echo_object
,
4387 bufp
+= n
, count
+= n
, numchars
-= n
;
4391 case WM_LBUTTONDOWN
:
4393 case WM_MBUTTONDOWN
:
4395 case WM_RBUTTONDOWN
:
4397 case WM_XBUTTONDOWN
:
4400 /* If we decide we want to generate an event to be seen
4401 by the rest of Emacs, we put it here. */
4402 struct input_event emacs_event
;
4407 emacs_event
.kind
= NO_EVENT
;
4409 if (dpyinfo
->grabbed
&& last_mouse_frame
4410 && FRAME_LIVE_P (last_mouse_frame
))
4411 f
= last_mouse_frame
;
4413 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4417 construct_mouse_click (&emacs_event
, &msg
, f
);
4419 /* Is this in the tool-bar? */
4420 if (WINDOWP (f
->tool_bar_window
)
4421 && WINDOW_TOTAL_LINES (XWINDOW (f
->tool_bar_window
)))
4424 int x
= XFASTINT (emacs_event
.x
);
4425 int y
= XFASTINT (emacs_event
.y
);
4427 window
= window_from_coordinates (f
, x
, y
, 0, 0, 0, 1);
4429 if (EQ (window
, f
->tool_bar_window
))
4431 w32_handle_tool_bar_click (f
, &emacs_event
);
4437 if (!dpyinfo
->w32_focus_frame
4438 || f
== dpyinfo
->w32_focus_frame
4441 construct_mouse_click (bufp
, &msg
, f
);
4448 parse_button (msg
.msg
.message
, HIWORD (msg
.msg
.wParam
),
4453 dpyinfo
->grabbed
&= ~ (1 << button
);
4457 dpyinfo
->grabbed
|= (1 << button
);
4458 last_mouse_frame
= f
;
4459 /* Ignore any mouse motion that happened
4460 before this event; any subsequent mouse-movement
4461 Emacs events should reflect only motion after
4467 last_tool_bar_item
= -1;
4474 if (dpyinfo
->grabbed
&& last_mouse_frame
4475 && FRAME_LIVE_P (last_mouse_frame
))
4476 f
= last_mouse_frame
;
4478 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4483 if ((!dpyinfo
->w32_focus_frame
4484 || f
== dpyinfo
->w32_focus_frame
)
4487 /* Emit an Emacs wheel-up/down event. */
4488 construct_mouse_wheel (bufp
, &msg
, f
);
4493 /* Ignore any mouse motion that happened before this
4494 event; any subsequent mouse-movement Emacs events
4495 should reflect only motion after the
4499 last_mouse_frame
= f
;
4500 last_tool_bar_item
= -1;
4505 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4509 construct_drag_n_drop (bufp
, &msg
, f
);
4518 struct scroll_bar
*bar
=
4519 x_window_to_scroll_bar ((HWND
)msg
.msg
.lParam
);
4521 if (bar
&& numchars
>= 1)
4523 if (w32_scroll_bar_handle_click (bar
, &msg
, bufp
))
4533 case WM_WINDOWPOSCHANGED
:
4534 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4537 if (f
->want_fullscreen
& FULLSCREEN_WAIT
)
4538 f
->want_fullscreen
&= ~(FULLSCREEN_WAIT
|FULLSCREEN_BOTH
);
4540 check_visibility
= 1;
4544 case WM_ACTIVATEAPP
:
4545 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4547 x_check_fullscreen (f
);
4548 check_visibility
= 1;
4552 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4554 if (f
&& !f
->async_iconified
)
4558 x_real_positions (f
, &x
, &y
);
4563 check_visibility
= 1;
4567 /* wParam non-zero means Window is about to be shown, 0 means
4568 about to be hidden. */
4569 /* Redo the mouse-highlight after the tooltip has gone. */
4570 if (!msg
.msg
.wParam
&& msg
.msg
.hwnd
== tip_window
)
4573 redo_mouse_highlight ();
4576 /* If window has been obscured or exposed by another window
4577 being maximised or minimised/restored, then recheck
4578 visibility of all frames. Direct changes to our own
4579 windows get handled by WM_SIZE. */
4581 if (msg
.msg
.lParam
!= 0)
4582 check_visibility
= 1;
4585 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4586 f
->async_visible
= msg
.msg
.wParam
;
4590 check_visibility
= 1;
4594 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4596 /* Inform lisp of whether frame has been iconified etc. */
4599 switch (msg
.msg
.wParam
)
4601 case SIZE_MINIMIZED
:
4602 f
->async_visible
= 0;
4603 f
->async_iconified
= 1;
4605 bufp
->kind
= ICONIFY_EVENT
;
4606 XSETFRAME (bufp
->frame_or_window
, f
);
4613 case SIZE_MAXIMIZED
:
4615 f
->async_visible
= 1;
4616 f
->async_iconified
= 0;
4618 /* wait_reading_process_input will notice this and update
4619 the frame's display structures. */
4620 SET_FRAME_GARBAGED (f
);
4626 /* Reset top and left positions of the Window
4627 here since Windows sends a WM_MOVE message
4628 BEFORE telling us the Window is minimized
4629 when the Window is iconified, with 3000,3000
4631 x_real_positions (f
, &x
, &y
);
4635 bufp
->kind
= DEICONIFY_EVENT
;
4636 XSETFRAME (bufp
->frame_or_window
, f
);
4642 else if (! NILP (Vframe_list
)
4643 && ! NILP (XCDR (Vframe_list
)))
4644 /* Force a redisplay sooner or later
4645 to update the frame titles
4646 in case this is the second frame. */
4647 record_asynch_buffer_change ();
4652 if (f
&& !f
->async_iconified
&& msg
.msg
.wParam
!= SIZE_MINIMIZED
)
4660 GetClientRect (msg
.msg
.hwnd
, &rect
);
4662 height
= rect
.bottom
- rect
.top
;
4663 width
= rect
.right
- rect
.left
;
4665 rows
= FRAME_PIXEL_HEIGHT_TO_TEXT_LINES (f
, height
);
4666 columns
= FRAME_PIXEL_WIDTH_TO_TEXT_COLS (f
, width
);
4668 /* TODO: Clip size to the screen dimensions. */
4670 /* Even if the number of character rows and columns has
4671 not changed, the font size may have changed, so we need
4672 to check the pixel dimensions as well. */
4674 if (columns
!= FRAME_COLS (f
)
4675 || rows
!= FRAME_LINES (f
)
4676 || width
!= FRAME_PIXEL_WIDTH (f
)
4677 || height
!= FRAME_PIXEL_HEIGHT (f
))
4679 change_frame_size (f
, rows
, columns
, 0, 1, 0);
4680 SET_FRAME_GARBAGED (f
);
4681 cancel_mouse_face (f
);
4682 FRAME_PIXEL_WIDTH (f
) = width
;
4683 FRAME_PIXEL_HEIGHT (f
) = height
;
4684 f
->win_gravity
= NorthWestGravity
;
4688 check_visibility
= 1;
4692 f
= x_any_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4695 if (f
== dpyinfo
->mouse_face_mouse_frame
)
4697 /* If we move outside the frame, then we're
4698 certainly no longer on any text in the frame. */
4699 clear_mouse_face (dpyinfo
);
4700 dpyinfo
->mouse_face_mouse_frame
= 0;
4703 /* Generate a nil HELP_EVENT to cancel a help-echo.
4704 Do it only if there's something to cancel.
4705 Otherwise, the startup message is cleared when
4706 the mouse leaves the frame. */
4707 if (any_help_event_p
)
4712 XSETFRAME (frame
, f
);
4713 help_echo_string
= Qnil
;
4714 n
= gen_help_event (bufp
, numchars
,
4715 Qnil
, frame
, Qnil
, Qnil
, 0);
4716 bufp
+= n
, count
+= n
, numchars
-= n
;
4722 /* TODO: Port this change:
4723 2002-06-28 Jan D. <jan.h.d@swipnet.se>
4724 * xterm.h (struct x_output): Add focus_state.
4725 * xterm.c (x_focus_changed): New function.
4726 (x_detect_focus_change): New function.
4727 (XTread_socket): Call x_detect_focus_change for FocusIn/FocusOut
4728 EnterNotify and LeaveNotify to track X focus changes.
4730 f
= x_any_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4732 dpyinfo
->w32_focus_event_frame
= f
;
4735 x_new_focus_frame (dpyinfo
, f
);
4738 dpyinfo
->grabbed
= 0;
4739 check_visibility
= 1;
4743 /* TODO: some of this belongs in MOUSE_LEAVE */
4744 f
= x_top_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4748 if (f
== dpyinfo
->w32_focus_event_frame
)
4749 dpyinfo
->w32_focus_event_frame
= 0;
4751 if (f
== dpyinfo
->w32_focus_frame
)
4752 x_new_focus_frame (dpyinfo
, 0);
4754 if (f
== dpyinfo
->mouse_face_mouse_frame
)
4756 /* If we move outside the frame, then we're
4757 certainly no longer on any text in the frame. */
4758 clear_mouse_face (dpyinfo
);
4759 dpyinfo
->mouse_face_mouse_frame
= 0;
4762 /* Generate a nil HELP_EVENT to cancel a help-echo.
4763 Do it only if there's something to cancel.
4764 Otherwise, the startup message is cleared when
4765 the mouse leaves the frame. */
4766 if (any_help_event_p
)
4771 XSETFRAME (frame
, f
);
4772 help_echo_string
= Qnil
;
4773 n
= gen_help_event (bufp
, numchars
,
4774 Qnil
, frame
, Qnil
, Qnil
, 0);
4775 bufp
+= n
, count
+= n
, numchars
-=n
;
4779 dpyinfo
->grabbed
= 0;
4780 check_visibility
= 1;
4784 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4791 bufp
->kind
= DELETE_WINDOW_EVENT
;
4792 XSETFRAME (bufp
->frame_or_window
, f
);
4801 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4808 bufp
->kind
= MENU_BAR_ACTIVATE_EVENT
;
4809 XSETFRAME (bufp
->frame_or_window
, f
);
4818 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4822 extern void menubar_selection_callback
4823 (FRAME_PTR f
, void * client_data
);
4824 menubar_selection_callback (f
, (void *)msg
.msg
.wParam
);
4827 check_visibility
= 1;
4830 case WM_DISPLAYCHANGE
:
4831 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4835 dpyinfo
->width
= (short) LOWORD (msg
.msg
.lParam
);
4836 dpyinfo
->height
= (short) HIWORD (msg
.msg
.lParam
);
4837 dpyinfo
->n_cbits
= msg
.msg
.wParam
;
4838 DebPrint (("display change: %d %d\n", dpyinfo
->width
,
4842 check_visibility
= 1;
4846 /* Check for messages registered at runtime. */
4847 if (msg
.msg
.message
== msh_mousewheel
)
4849 /* Forward MSH_MOUSEWHEEL as WM_MOUSEWHEEL. */
4850 msg
.msg
.message
= WM_MOUSEWHEEL
;
4857 /* If the focus was just given to an autoraising frame,
4859 /* ??? This ought to be able to handle more than one such frame. */
4860 if (pending_autoraise_frame
)
4862 x_raise_frame (pending_autoraise_frame
);
4863 pending_autoraise_frame
= 0;
4866 /* Check which frames are still visisble, if we have enqueued any user
4867 events or been notified of events that may affect visibility. We
4868 do this here because there doesn't seem to be any direct
4869 notification from Windows that the visibility of a window has
4870 changed (at least, not in all cases). */
4871 if (count
> 0 || check_visibility
)
4873 Lisp_Object tail
, frame
;
4875 FOR_EACH_FRAME (tail
, frame
)
4877 FRAME_PTR f
= XFRAME (frame
);
4878 /* The tooltip has been drawn already. Avoid the
4879 SET_FRAME_GARBAGED below. */
4880 if (EQ (frame
, tip_frame
))
4883 /* Check "visible" frames and mark each as obscured or not.
4884 Note that async_visible is nonzero for unobscured and
4885 obscured frames, but zero for hidden and iconified frames. */
4886 if (FRAME_W32_P (f
) && f
->async_visible
)
4892 /* Query clipping rectangle for the entire window area
4893 (GetWindowDC), not just the client portion (GetDC).
4894 Otherwise, the scrollbars and menubar aren't counted as
4895 part of the visible area of the frame, and we may think
4896 the frame is obscured when really a scrollbar is still
4897 visible and gets WM_PAINT messages above. */
4898 hdc
= GetWindowDC (FRAME_W32_WINDOW (f
));
4899 GetClipBox (hdc
, &clipbox
);
4900 ReleaseDC (FRAME_W32_WINDOW (f
), hdc
);
4903 if (clipbox
.right
== clipbox
.left
4904 || clipbox
.bottom
== clipbox
.top
)
4906 /* Frame has become completely obscured so mark as
4907 such (we do this by setting async_visible to 2 so
4908 that FRAME_VISIBLE_P is still true, but redisplay
4910 f
->async_visible
= 2;
4912 if (!FRAME_OBSCURED_P (f
))
4914 DebPrint (("frame %p (%s) obscured\n", f
,
4920 /* Frame is not obscured, so mark it as such. */
4921 f
->async_visible
= 1;
4923 if (FRAME_OBSCURED_P (f
))
4925 SET_FRAME_GARBAGED (f
);
4926 DebPrint (("obscured frame %p (%s) found to be visible\n", f
,
4929 /* Force a redisplay sooner or later. */
4930 record_asynch_buffer_change ();
4944 /***********************************************************************
4946 ***********************************************************************/
4948 /* Set clipping for output in glyph row ROW. W is the window in which
4949 we operate. GC is the graphics context to set clipping in.
4951 ROW may be a text row or, e.g., a mode line. Text rows must be
4952 clipped to the interior of the window dedicated to text display,
4953 mode lines must be clipped to the whole window. */
4956 w32_clip_to_row (w
, row
, hdc
)
4958 struct glyph_row
*row
;
4961 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
4963 int window_y
, window_width
;
4965 window_box (w
, -1, 0, &window_y
, &window_width
, 0);
4967 clip_rect
.left
= WINDOW_TO_FRAME_PIXEL_X (w
, 0);
4968 clip_rect
.top
= WINDOW_TO_FRAME_PIXEL_Y (w
, row
->y
);
4969 clip_rect
.top
= max (clip_rect
.top
, window_y
);
4970 clip_rect
.right
= clip_rect
.left
+ window_width
;
4971 clip_rect
.bottom
= clip_rect
.top
+ row
->visible_height
;
4973 w32_set_clip_rectangle (hdc
, &clip_rect
);
4977 /* Draw a hollow box cursor on window W in glyph row ROW. */
4980 x_draw_hollow_cursor (w
, row
)
4982 struct glyph_row
*row
;
4984 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
4988 struct glyph
*cursor_glyph
;
4989 HBRUSH hb
= CreateSolidBrush (f
->output_data
.w32
->cursor_pixel
);
4991 /* Compute frame-relative coordinates from window-relative
4993 rect
.left
= WINDOW_TEXT_TO_FRAME_PIXEL_X (w
, w
->phys_cursor
.x
);
4994 rect
.top
= (WINDOW_TO_FRAME_PIXEL_Y (w
, w
->phys_cursor
.y
)
4995 + row
->ascent
- w
->phys_cursor_ascent
);
4996 rect
.bottom
= rect
.top
+ row
->height
;
4998 /* Get the glyph the cursor is on. If we can't tell because
4999 the current matrix is invalid or such, give up. */
5000 cursor_glyph
= get_phys_cursor_glyph (w
);
5001 if (cursor_glyph
== NULL
)
5004 /* Compute the width of the rectangle to draw. If on a stretch
5005 glyph, and `x-stretch-block-cursor' is nil, don't draw a
5006 rectangle as wide as the glyph, but use a canonical character
5008 wd
= cursor_glyph
->pixel_width
;
5009 if (cursor_glyph
->type
== STRETCH_GLYPH
5010 && !x_stretch_cursor_p
)
5011 wd
= min (FRAME_COLUMN_WIDTH (f
), wd
);
5012 w
->phys_cursor_width
= wd
;
5014 rect
.right
= rect
.left
+ wd
;
5015 hdc
= get_frame_dc (f
);
5016 /* Set clipping, draw the rectangle, and reset clipping again. */
5017 w32_clip_to_row (w
, row
, hdc
);
5018 FrameRect (hdc
, &rect
, hb
);
5020 w32_set_clip_rectangle (hdc
, NULL
);
5021 release_frame_dc (f
, hdc
);
5025 /* Draw a bar cursor on window W in glyph row ROW.
5027 Implementation note: One would like to draw a bar cursor with an
5028 angle equal to the one given by the font property XA_ITALIC_ANGLE.
5029 Unfortunately, I didn't find a font yet that has this property set.
5033 x_draw_bar_cursor (w
, row
, width
, kind
)
5035 struct glyph_row
*row
;
5037 enum text_cursor_kinds kind
;
5039 struct frame
*f
= XFRAME (w
->frame
);
5040 struct glyph
*cursor_glyph
;
5044 /* If cursor is out of bounds, don't draw garbage. This can happen
5045 in mini-buffer windows when switching between echo area glyphs
5047 cursor_glyph
= get_phys_cursor_glyph (w
);
5048 if (cursor_glyph
== NULL
)
5051 /* If on an image, draw like a normal cursor. That's usually better
5052 visible than drawing a bar, esp. if the image is large so that
5053 the bar might not be in the window. */
5054 if (cursor_glyph
->type
== IMAGE_GLYPH
)
5056 struct glyph_row
*row
;
5057 row
= MATRIX_ROW (w
->current_matrix
, w
->phys_cursor
.vpos
);
5058 draw_phys_cursor_glyph (w
, row
, DRAW_CURSOR
);
5062 COLORREF cursor_color
= f
->output_data
.w32
->cursor_pixel
;
5063 struct face
*face
= FACE_FROM_ID (f
, cursor_glyph
->face_id
);
5065 /* If the glyph's background equals the color we normally draw
5066 the bar cursor in, the bar cursor in its normal color is
5067 invisible. Use the glyph's foreground color instead in this
5068 case, on the assumption that the glyph's colors are chosen so
5069 that the glyph is legible. */
5070 if (face
->background
== cursor_color
)
5071 cursor_color
= face
->foreground
;
5073 x
= WINDOW_TEXT_TO_FRAME_PIXEL_X (w
, w
->phys_cursor
.x
);
5076 width
= FRAME_CURSOR_WIDTH (f
);
5077 width
= min (cursor_glyph
->pixel_width
, width
);
5079 w
->phys_cursor_width
= width
;
5082 hdc
= get_frame_dc (f
);
5083 w32_clip_to_row (w
, row
, hdc
);
5085 if (kind
== BAR_CURSOR
)
5087 w32_fill_area (f
, hdc
, cursor_color
, x
,
5088 WINDOW_TO_FRAME_PIXEL_Y (w
, w
->phys_cursor
.y
),
5089 width
, row
->height
);
5093 w32_fill_area (f
, hdc
, cursor_color
, x
,
5094 WINDOW_TO_FRAME_PIXEL_Y (w
, w
->phys_cursor
.y
+
5095 row
->height
- width
),
5096 cursor_glyph
->pixel_width
, width
);
5099 w32_set_clip_rectangle (hdc
, NULL
);
5100 release_frame_dc (f
, hdc
);
5105 /* RIF: Define cursor CURSOR on frame F. */
5108 w32_define_frame_cursor (f
, cursor
)
5112 w32_define_cursor (FRAME_W32_WINDOW (f
), cursor
);
5116 /* RIF: Clear area on frame F. */
5119 w32_clear_frame_area (f
, x
, y
, width
, height
)
5121 int x
, y
, width
, height
;
5125 hdc
= get_frame_dc (f
);
5126 w32_clear_area (f
, hdc
, x
, y
, width
, height
);
5127 release_frame_dc (f
, hdc
);
5130 /* RIF: Draw or clear cursor on window W. */
5133 w32_draw_window_cursor (w
, glyph_row
, x
, y
, cursor_type
, cursor_width
, on_p
, active_p
)
5135 struct glyph_row
*glyph_row
;
5137 int cursor_type
, cursor_width
;
5142 /* If the user wants to use the system caret, make sure our own
5143 cursor remains invisible. */
5144 if (w32_use_visible_system_caret
)
5146 if (w
->phys_cursor_type
!= NO_CURSOR
)
5147 erase_phys_cursor (w
);
5149 cursor_type
= w
->phys_cursor_type
= NO_CURSOR
;
5150 w
->phys_cursor_width
= -1;
5154 w
->phys_cursor_type
= cursor_type
;
5157 w
->phys_cursor_on_p
= 1;
5159 /* If this is the active cursor, we need to track it with the
5160 system caret, so third party software like screen magnifiers
5161 and speech synthesizers can follow the cursor. */
5164 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
5165 HWND hwnd
= FRAME_W32_WINDOW (f
);
5168 = WINDOW_TEXT_TO_FRAME_PIXEL_X (w
, w
->phys_cursor
.x
);
5170 = (WINDOW_TO_FRAME_PIXEL_Y (w
, w
->phys_cursor
.y
)
5171 + glyph_row
->ascent
- w
->phys_cursor_ascent
);
5173 /* If the size of the active cursor changed, destroy the old
5175 if (w32_system_caret_hwnd
5176 && (w32_system_caret_height
!= w
->phys_cursor_height
))
5177 PostMessage (hwnd
, WM_EMACS_DESTROY_CARET
, 0, 0);
5179 w32_system_caret_height
= w
->phys_cursor_height
;
5181 /* Move the system caret. */
5182 PostMessage (hwnd
, WM_EMACS_TRACK_CARET
, 0, 0);
5185 if (glyph_row
->exact_window_width_line_p
5186 && w
->phys_cursor
.hpos
>= glyph_row
->used
[TEXT_AREA
])
5188 glyph_row
->cursor_in_fringe_p
= 1;
5189 draw_fringe_bitmap (w
, glyph_row
, 0);
5193 switch (cursor_type
)
5195 case HOLLOW_BOX_CURSOR
:
5196 x_draw_hollow_cursor (w
, glyph_row
);
5199 case FILLED_BOX_CURSOR
:
5200 draw_phys_cursor_glyph (w
, glyph_row
, DRAW_CURSOR
);
5204 x_draw_bar_cursor (w
, glyph_row
, cursor_width
, BAR_CURSOR
);
5208 x_draw_bar_cursor (w
, glyph_row
, cursor_width
, HBAR_CURSOR
);
5212 w
->phys_cursor_width
= 0;
5226 x_bitmap_icon (f
, icon
)
5232 if (FRAME_W32_WINDOW (f
) == 0)
5236 hicon
= LoadIcon (hinst
, EMACS_CLASS
);
5237 else if (STRINGP (icon
))
5238 hicon
= LoadImage (NULL
, (LPCTSTR
) SDATA (icon
), IMAGE_ICON
, 0, 0,
5239 LR_DEFAULTSIZE
| LR_LOADFROMFILE
);
5240 else if (SYMBOLP (icon
))
5244 if (EQ (icon
, intern ("application")))
5245 name
= (LPCTSTR
) IDI_APPLICATION
;
5246 else if (EQ (icon
, intern ("hand")))
5247 name
= (LPCTSTR
) IDI_HAND
;
5248 else if (EQ (icon
, intern ("question")))
5249 name
= (LPCTSTR
) IDI_QUESTION
;
5250 else if (EQ (icon
, intern ("exclamation")))
5251 name
= (LPCTSTR
) IDI_EXCLAMATION
;
5252 else if (EQ (icon
, intern ("asterisk")))
5253 name
= (LPCTSTR
) IDI_ASTERISK
;
5254 else if (EQ (icon
, intern ("winlogo")))
5255 name
= (LPCTSTR
) IDI_WINLOGO
;
5259 hicon
= LoadIcon (NULL
, name
);
5267 PostMessage (FRAME_W32_WINDOW (f
), WM_SETICON
, (WPARAM
) ICON_BIG
,
5274 /************************************************************************
5276 ************************************************************************/
5278 /* Display Error Handling functions not used on W32. Listing them here
5279 helps diff stay in step when comparing w32term.c with xterm.c.
5281 x_error_catcher (display, error)
5282 x_catch_errors (dpy)
5283 x_catch_errors_unwind (old_val)
5284 x_check_errors (dpy, format)
5285 x_had_errors_p (dpy)
5286 x_clear_errors (dpy)
5287 x_uncatch_errors (dpy, count)
5289 x_connection_signal (signalnum)
5290 x_connection_closed (dpy, error_message)
5291 x_error_quitter (display, error)
5292 x_error_handler (display, error)
5293 x_io_error_quitter (display)
5298 /* Changing the font of the frame. */
5300 /* Give frame F the font named FONTNAME as its default font, and
5301 return the full name of that font. FONTNAME may be a wildcard
5302 pattern; in that case, we choose some font that fits the pattern.
5303 The return value shows which font we chose. */
5306 x_new_font (f
, fontname
)
5308 register char *fontname
;
5310 struct font_info
*fontp
5311 = FS_LOAD_FONT (f
, 0, fontname
, -1);
5316 FRAME_FONT (f
) = (XFontStruct
*) (fontp
->font
);
5317 FRAME_BASELINE_OFFSET (f
) = fontp
->baseline_offset
;
5318 FRAME_FONTSET (f
) = -1;
5320 FRAME_COLUMN_WIDTH (f
) = FONT_WIDTH (FRAME_FONT (f
));
5321 FRAME_LINE_HEIGHT (f
) = FONT_HEIGHT (FRAME_FONT (f
));
5323 compute_fringe_widths (f
, 1);
5325 /* Compute the scroll bar width in character columns. */
5326 if (FRAME_CONFIG_SCROLL_BAR_WIDTH (f
) > 0)
5328 int wid
= FRAME_COLUMN_WIDTH (f
);
5329 FRAME_CONFIG_SCROLL_BAR_COLS (f
)
5330 = (FRAME_CONFIG_SCROLL_BAR_WIDTH (f
) + wid
-1) / wid
;
5334 int wid
= FRAME_COLUMN_WIDTH (f
);
5335 FRAME_CONFIG_SCROLL_BAR_COLS (f
) = (14 + wid
- 1) / wid
;
5338 /* Now make the frame display the given font. */
5339 if (FRAME_W32_WINDOW (f
) != 0)
5341 if (NILP (tip_frame
) || XFRAME (tip_frame
) != f
)
5342 x_set_window_size (f
, 0, FRAME_COLS (f
), FRAME_LINES (f
));
5345 return build_string (fontp
->full_name
);
5348 /* Give frame F the fontset named FONTSETNAME as its default font, and
5349 return the full name of that fontset. FONTSETNAME may be a wildcard
5350 pattern; in that case, we choose some fontset that fits the pattern.
5351 The return value shows which fontset we chose. */
5354 x_new_fontset (f
, fontsetname
)
5358 int fontset
= fs_query_fontset (build_string (fontsetname
), 0);
5364 if (FRAME_FONTSET (f
) == fontset
)
5365 /* This fontset is already set in frame F. There's nothing more
5367 return fontset_name (fontset
);
5369 result
= x_new_font (f
, (SDATA (fontset_ascii (fontset
))));
5371 if (!STRINGP (result
))
5372 /* Can't load ASCII font. */
5375 /* Since x_new_font doesn't update any fontset information, do it now. */
5376 FRAME_FONTSET(f
) = fontset
;
5378 return build_string (fontsetname
);
5382 /***********************************************************************
5383 TODO: W32 Input Methods
5384 ***********************************************************************/
5385 /* Listing missing functions from xterm.c helps diff stay in step.
5387 xim_destroy_callback (xim, client_data, call_data)
5388 xim_open_dpy (dpyinfo, resource_name)
5390 xim_instantiate_callback (display, client_data, call_data)
5391 xim_initialize (dpyinfo, resource_name)
5392 xim_close_dpy (dpyinfo)
5397 /* Calculate the absolute position in frame F
5398 from its current recorded position values and gravity. */
5401 x_calc_absolute_position (f
)
5405 int flags
= f
->size_hint_flags
;
5409 /* Find the position of the outside upper-left corner of
5410 the inner window, with respect to the outer window.
5411 But do this only if we will need the results. */
5412 if (f
->output_data
.w32
->parent_desc
!= FRAME_W32_DISPLAY_INFO (f
)->root_window
)
5415 MapWindowPoints (FRAME_W32_WINDOW (f
),
5416 f
->output_data
.w32
->parent_desc
,
5423 rt
.left
= rt
.right
= rt
.top
= rt
.bottom
= 0;
5426 AdjustWindowRect(&rt
, f
->output_data
.w32
->dwStyle
,
5427 FRAME_EXTERNAL_MENU_BAR (f
));
5430 pt
.x
+= (rt
.right
- rt
.left
);
5431 pt
.y
+= (rt
.bottom
- rt
.top
);
5434 /* Treat negative positions as relative to the leftmost bottommost
5435 position that fits on the screen. */
5436 if (flags
& XNegative
)
5437 f
->left_pos
= (FRAME_W32_DISPLAY_INFO (f
)->width
5438 - 2 * f
->border_width
- pt
.x
5439 - FRAME_PIXEL_WIDTH (f
)
5442 if (flags
& YNegative
)
5443 f
->top_pos
= (FRAME_W32_DISPLAY_INFO (f
)->height
5444 - 2 * f
->border_width
- pt
.y
5445 - FRAME_PIXEL_HEIGHT (f
)
5447 /* The left_pos and top_pos
5448 are now relative to the top and left screen edges,
5449 so the flags should correspond. */
5450 f
->size_hint_flags
&= ~ (XNegative
| YNegative
);
5453 /* CHANGE_GRAVITY is 1 when calling from Fset_frame_position,
5454 to really change the position, and 0 when calling from
5455 x_make_frame_visible (in that case, XOFF and YOFF are the current
5456 position values). It is -1 when calling from x_set_frame_parameters,
5457 which means, do adjust for borders but don't change the gravity. */
5460 x_set_offset (f
, xoff
, yoff
, change_gravity
)
5462 register int xoff
, yoff
;
5465 int modified_top
, modified_left
;
5467 if (change_gravity
> 0)
5471 f
->size_hint_flags
&= ~ (XNegative
| YNegative
);
5473 f
->size_hint_flags
|= XNegative
;
5475 f
->size_hint_flags
|= YNegative
;
5476 f
->win_gravity
= NorthWestGravity
;
5478 x_calc_absolute_position (f
);
5481 x_wm_set_size_hint (f
, (long) 0, 0);
5483 modified_left
= f
->left_pos
;
5484 modified_top
= f
->top_pos
;
5486 my_set_window_pos (FRAME_W32_WINDOW (f
),
5488 modified_left
, modified_top
,
5490 SWP_NOZORDER
| SWP_NOSIZE
| SWP_NOACTIVATE
);
5495 /* Check if we need to resize the frame due to a fullscreen request.
5496 If so needed, resize the frame. */
5498 x_check_fullscreen (f
)
5501 if (f
->want_fullscreen
& FULLSCREEN_BOTH
)
5503 int width
, height
, ign
;
5505 x_real_positions (f
, &f
->left_pos
, &f
->top_pos
);
5507 x_fullscreen_adjust (f
, &width
, &height
, &ign
, &ign
);
5509 /* We do not need to move the window, it shall be taken care of
5510 when setting WM manager hints. */
5511 if (FRAME_COLS (f
) != width
|| FRAME_LINES (f
) != height
)
5513 change_frame_size (f
, height
, width
, 0, 1, 0);
5514 SET_FRAME_GARBAGED (f
);
5515 cancel_mouse_face (f
);
5517 /* Wait for the change of frame size to occur */
5518 f
->want_fullscreen
|= FULLSCREEN_WAIT
;
5523 /* Call this to change the size of frame F's x-window.
5524 If CHANGE_GRAVITY is 1, we change to top-left-corner window gravity
5525 for this size change and subsequent size changes.
5526 Otherwise we leave the window gravity unchanged. */
5529 x_set_window_size (f
, change_gravity
, cols
, rows
)
5534 int pixelwidth
, pixelheight
;
5538 check_frame_size (f
, &rows
, &cols
);
5539 f
->scroll_bar_actual_width
5540 = FRAME_SCROLL_BAR_COLS (f
) * FRAME_COLUMN_WIDTH (f
);
5542 compute_fringe_widths (f
, 0);
5544 pixelwidth
= FRAME_TEXT_COLS_TO_PIXEL_WIDTH (f
, cols
);
5545 pixelheight
= FRAME_TEXT_LINES_TO_PIXEL_HEIGHT (f
, rows
);
5547 f
->win_gravity
= NorthWestGravity
;
5548 x_wm_set_size_hint (f
, (long) 0, 0);
5553 rect
.left
= rect
.top
= 0;
5554 rect
.right
= pixelwidth
;
5555 rect
.bottom
= pixelheight
;
5557 AdjustWindowRect(&rect
, f
->output_data
.w32
->dwStyle
,
5558 FRAME_EXTERNAL_MENU_BAR (f
));
5560 my_set_window_pos (FRAME_W32_WINDOW (f
),
5563 rect
.right
- rect
.left
,
5564 rect
.bottom
- rect
.top
,
5565 SWP_NOZORDER
| SWP_NOMOVE
| SWP_NOACTIVATE
);
5568 /* Now, strictly speaking, we can't be sure that this is accurate,
5569 but the window manager will get around to dealing with the size
5570 change request eventually, and we'll hear how it went when the
5571 ConfigureNotify event gets here.
5573 We could just not bother storing any of this information here,
5574 and let the ConfigureNotify event set everything up, but that
5575 might be kind of confusing to the Lisp code, since size changes
5576 wouldn't be reported in the frame parameters until some random
5577 point in the future when the ConfigureNotify event arrives.
5579 We pass 1 for DELAY since we can't run Lisp code inside of
5581 change_frame_size (f
, rows
, cols
, 0, 1, 0);
5582 FRAME_PIXEL_WIDTH (f
) = pixelwidth
;
5583 FRAME_PIXEL_HEIGHT (f
) = pixelheight
;
5585 /* We've set {FRAME,PIXEL}_{WIDTH,HEIGHT} to the values we hope to
5586 receive in the ConfigureNotify event; if we get what we asked
5587 for, then the event won't cause the screen to become garbaged, so
5588 we have to make sure to do it here. */
5589 SET_FRAME_GARBAGED (f
);
5591 /* If cursor was outside the new size, mark it as off. */
5592 mark_window_cursors_off (XWINDOW (f
->root_window
));
5594 /* Clear out any recollection of where the mouse highlighting was,
5595 since it might be in a place that's outside the new frame size.
5596 Actually checking whether it is outside is a pain in the neck,
5597 so don't try--just let the highlighting be done afresh with new size. */
5598 cancel_mouse_face (f
);
5603 /* Mouse warping. */
5605 void x_set_mouse_pixel_position (struct frame
*f
, int pix_x
, int pix_y
);
5608 x_set_mouse_position (f
, x
, y
)
5614 pix_x
= FRAME_COL_TO_PIXEL_X (f
, x
) + FRAME_COLUMN_WIDTH (f
) / 2;
5615 pix_y
= FRAME_LINE_TO_PIXEL_Y (f
, y
) + FRAME_LINE_HEIGHT (f
) / 2;
5617 if (pix_x
< 0) pix_x
= 0;
5618 if (pix_x
> FRAME_PIXEL_WIDTH (f
)) pix_x
= FRAME_PIXEL_WIDTH (f
);
5620 if (pix_y
< 0) pix_y
= 0;
5621 if (pix_y
> FRAME_PIXEL_HEIGHT (f
)) pix_y
= FRAME_PIXEL_HEIGHT (f
);
5623 x_set_mouse_pixel_position (f
, pix_x
, pix_y
);
5627 x_set_mouse_pixel_position (f
, pix_x
, pix_y
)
5636 GetClientRect (FRAME_W32_WINDOW (f
), &rect
);
5637 pt
.x
= rect
.left
+ pix_x
;
5638 pt
.y
= rect
.top
+ pix_y
;
5639 ClientToScreen (FRAME_W32_WINDOW (f
), &pt
);
5641 SetCursorPos (pt
.x
, pt
.y
);
5647 /* focus shifting, raising and lowering. */
5650 x_focus_on_frame (f
)
5653 struct w32_display_info
*dpyinfo
= &one_w32_display_info
;
5655 /* Give input focus to frame. */
5658 /* Try not to change its Z-order if possible. */
5659 if (x_window_to_frame (dpyinfo
, GetForegroundWindow ()))
5660 my_set_focus (f
, FRAME_W32_WINDOW (f
));
5663 my_set_foreground_window (FRAME_W32_WINDOW (f
));
5673 /* Raise frame F. */
5680 /* Strictly speaking, raise-frame should only change the frame's Z
5681 order, leaving input focus unchanged. This is reasonable behaviour
5682 on X where the usual policy is point-to-focus. However, this
5683 behaviour would be very odd on Windows where the usual policy is
5686 On X, if the mouse happens to be over the raised frame, it gets
5687 input focus anyway (so the window with focus will never be
5688 completely obscured) - if not, then just moving the mouse over it
5689 is sufficient to give it focus. On Windows, the user must actually
5690 click on the frame (preferrably the title bar so as not to move
5691 point), which is more awkward. Also, no other Windows program
5692 raises a window to the top but leaves another window (possibly now
5693 completely obscured) with input focus.
5695 Because there is a system setting on Windows that allows the user
5696 to choose the point to focus policy, we make the strict semantics
5697 optional, but by default we grab focus when raising. */
5699 if (NILP (Vw32_grab_focus_on_raise
))
5701 /* The obvious call to my_set_window_pos doesn't work if Emacs is
5702 not already the foreground application: the frame is raised
5703 above all other frames belonging to us, but not above the
5704 current top window. To achieve that, we have to resort to this
5705 more cumbersome method. */
5707 HDWP handle
= BeginDeferWindowPos (2);
5710 DeferWindowPos (handle
,
5711 FRAME_W32_WINDOW (f
),
5714 SWP_NOSIZE
| SWP_NOMOVE
| SWP_NOACTIVATE
);
5716 DeferWindowPos (handle
,
5717 GetForegroundWindow (),
5718 FRAME_W32_WINDOW (f
),
5720 SWP_NOSIZE
| SWP_NOMOVE
| SWP_NOACTIVATE
);
5722 EndDeferWindowPos (handle
);
5727 my_set_foreground_window (FRAME_W32_WINDOW (f
));
5733 /* Lower frame F. */
5739 my_set_window_pos (FRAME_W32_WINDOW (f
),
5742 SWP_NOSIZE
| SWP_NOMOVE
| SWP_NOACTIVATE
);
5747 w32_frame_raise_lower (f
, raise_flag
)
5751 if (! FRAME_W32_P (f
))
5760 /* Change of visibility. */
5762 /* This tries to wait until the frame is really visible.
5763 However, if the window manager asks the user where to position
5764 the frame, this will return before the user finishes doing that.
5765 The frame will not actually be visible at that time,
5766 but it will become visible later when the window manager
5767 finishes with it. */
5770 x_make_frame_visible (f
)
5777 type
= x_icon_type (f
);
5779 x_bitmap_icon (f
, type
);
5781 if (! FRAME_VISIBLE_P (f
))
5783 /* We test FRAME_GARBAGED_P here to make sure we don't
5784 call x_set_offset a second time
5785 if we get to x_make_frame_visible a second time
5786 before the window gets really visible. */
5787 if (! FRAME_ICONIFIED_P (f
)
5788 && ! f
->output_data
.w32
->asked_for_visible
)
5789 x_set_offset (f
, f
->left_pos
, f
->top_pos
, 0);
5791 f
->output_data
.w32
->asked_for_visible
= 1;
5793 /* my_show_window (f, FRAME_W32_WINDOW (f), f->async_iconified ? SW_RESTORE : SW_SHOW); */
5794 my_show_window (f
, FRAME_W32_WINDOW (f
), SW_SHOWNORMAL
);
5797 /* Synchronize to ensure Emacs knows the frame is visible
5798 before we do anything else. We do this loop with input not blocked
5799 so that incoming events are handled. */
5804 /* This must come after we set COUNT. */
5807 XSETFRAME (frame
, f
);
5809 /* Wait until the frame is visible. Process X events until a
5810 MapNotify event has been seen, or until we think we won't get a
5811 MapNotify at all.. */
5812 for (count
= input_signal_count
+ 10;
5813 input_signal_count
< count
&& !FRAME_VISIBLE_P (f
);)
5815 /* Force processing of queued events. */
5816 /* TODO: x_sync equivalent? */
5818 /* Machines that do polling rather than SIGIO have been observed
5819 to go into a busy-wait here. So we'll fake an alarm signal
5820 to let the handler know that there's something to be read.
5821 We used to raise a real alarm, but it seems that the handler
5822 isn't always enabled here. This is probably a bug. */
5823 if (input_polling_used ())
5825 /* It could be confusing if a real alarm arrives while processing
5826 the fake one. Turn it off and let the handler reset it. */
5827 int old_poll_suppress_count
= poll_suppress_count
;
5828 poll_suppress_count
= 1;
5829 poll_for_input_1 ();
5830 poll_suppress_count
= old_poll_suppress_count
;
5833 FRAME_SAMPLE_VISIBILITY (f
);
5837 /* Change from mapped state to withdrawn state. */
5839 /* Make the frame visible (mapped and not iconified). */
5841 x_make_frame_invisible (f
)
5844 /* Don't keep the highlight on an invisible frame. */
5845 if (FRAME_W32_DISPLAY_INFO (f
)->x_highlight_frame
== f
)
5846 FRAME_W32_DISPLAY_INFO (f
)->x_highlight_frame
= 0;
5850 my_show_window (f
, FRAME_W32_WINDOW (f
), SW_HIDE
);
5852 /* We can't distinguish this from iconification
5853 just by the event that we get from the server.
5854 So we can't win using the usual strategy of letting
5855 FRAME_SAMPLE_VISIBILITY set this. So do it by hand,
5856 and synchronize with the server to make sure we agree. */
5858 FRAME_ICONIFIED_P (f
) = 0;
5859 f
->async_visible
= 0;
5860 f
->async_iconified
= 0;
5865 /* Change window state from mapped to iconified. */
5873 /* Don't keep the highlight on an invisible frame. */
5874 if (FRAME_W32_DISPLAY_INFO (f
)->x_highlight_frame
== f
)
5875 FRAME_W32_DISPLAY_INFO (f
)->x_highlight_frame
= 0;
5877 if (f
->async_iconified
)
5882 type
= x_icon_type (f
);
5884 x_bitmap_icon (f
, type
);
5886 /* Simulate the user minimizing the frame. */
5887 SendMessage (FRAME_W32_WINDOW (f
), WM_SYSCOMMAND
, SC_MINIMIZE
, 0);
5893 /* Free X resources of frame F. */
5896 x_free_frame_resources (f
)
5899 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
5903 if (FRAME_W32_WINDOW (f
))
5904 my_destroy_window (f
, FRAME_W32_WINDOW (f
));
5906 free_frame_menubar (f
);
5908 unload_color (f
, f
->output_data
.x
->foreground_pixel
);
5909 unload_color (f
, f
->output_data
.x
->background_pixel
);
5910 unload_color (f
, f
->output_data
.w32
->cursor_pixel
);
5911 unload_color (f
, f
->output_data
.w32
->cursor_foreground_pixel
);
5912 unload_color (f
, f
->output_data
.w32
->border_pixel
);
5913 unload_color (f
, f
->output_data
.w32
->mouse_pixel
);
5914 if (f
->output_data
.w32
->white_relief
.allocated_p
)
5915 unload_color (f
, f
->output_data
.w32
->white_relief
.pixel
);
5916 if (f
->output_data
.w32
->black_relief
.allocated_p
)
5917 unload_color (f
, f
->output_data
.w32
->black_relief
.pixel
);
5919 if (FRAME_FACE_CACHE (f
))
5920 free_frame_faces (f
);
5922 xfree (f
->output_data
.w32
);
5923 f
->output_data
.w32
= NULL
;
5925 if (f
== dpyinfo
->w32_focus_frame
)
5926 dpyinfo
->w32_focus_frame
= 0;
5927 if (f
== dpyinfo
->w32_focus_event_frame
)
5928 dpyinfo
->w32_focus_event_frame
= 0;
5929 if (f
== dpyinfo
->x_highlight_frame
)
5930 dpyinfo
->x_highlight_frame
= 0;
5932 if (f
== dpyinfo
->mouse_face_mouse_frame
)
5934 dpyinfo
->mouse_face_beg_row
5935 = dpyinfo
->mouse_face_beg_col
= -1;
5936 dpyinfo
->mouse_face_end_row
5937 = dpyinfo
->mouse_face_end_col
= -1;
5938 dpyinfo
->mouse_face_window
= Qnil
;
5939 dpyinfo
->mouse_face_deferred_gc
= 0;
5940 dpyinfo
->mouse_face_mouse_frame
= 0;
5947 /* Destroy the window of frame F. */
5949 x_destroy_window (f
)
5952 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
5954 x_free_frame_resources (f
);
5956 dpyinfo
->reference_count
--;
5960 /* Setting window manager hints. */
5962 /* Set the normal size hints for the window manager, for frame F.
5963 FLAGS is the flags word to use--or 0 meaning preserve the flags
5964 that the window now has.
5965 If USER_POSITION is nonzero, we set the USPosition
5966 flag (this is useful when FLAGS is 0). */
5968 x_wm_set_size_hint (f
, flags
, user_position
)
5973 Window window
= FRAME_W32_WINDOW (f
);
5977 SetWindowLong (window
, WND_FONTWIDTH_INDEX
, FRAME_COLUMN_WIDTH (f
));
5978 SetWindowLong (window
, WND_LINEHEIGHT_INDEX
, FRAME_LINE_HEIGHT (f
));
5979 SetWindowLong (window
, WND_BORDER_INDEX
, FRAME_INTERNAL_BORDER_WIDTH (f
));
5980 SetWindowLong (window
, WND_SCROLLBAR_INDEX
, f
->scroll_bar_actual_width
);
5985 /* Window manager things */
5987 x_wm_set_icon_position (f
, icon_x
, icon_y
)
5992 Window window
= FRAME_W32_WINDOW (f
);
5994 f
->display
.x
->wm_hints
.flags
|= IconPositionHint
;
5995 f
->display
.x
->wm_hints
.icon_x
= icon_x
;
5996 f
->display
.x
->wm_hints
.icon_y
= icon_y
;
5998 XSetWMHints (FRAME_X_DISPLAY (f
), window
, &f
->display
.x
->wm_hints
);
6003 /***********************************************************************
6005 ***********************************************************************/
6007 /* The following functions are listed here to help diff stay in step
6008 with xterm.c. See w32fns.c for definitions.
6010 x_get_font_info (f, font_idx)
6011 x_list_fonts (f, pattern, size, maxnames)
6017 /* Check that FONT is valid on frame F. It is if it can be found in F's
6021 x_check_font (f
, font
)
6026 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
6028 xassert (font
!= NULL
);
6030 for (i
= 0; i
< dpyinfo
->n_fonts
; i
++)
6031 if (dpyinfo
->font_table
[i
].name
6032 && font
== dpyinfo
->font_table
[i
].font
)
6035 xassert (i
< dpyinfo
->n_fonts
);
6038 #endif /* GLYPH_DEBUG != 0 */
6040 /* Set *W to the minimum width, *H to the minimum font height of FONT.
6041 Note: There are (broken) X fonts out there with invalid XFontStruct
6042 min_bounds contents. For example, handa@etl.go.jp reports that
6043 "-adobe-courier-medium-r-normal--*-180-*-*-m-*-iso8859-1" fonts
6044 have font->min_bounds.width == 0. */
6047 x_font_min_bounds (font
, w
, h
)
6052 * TODO: Windows does not appear to offer min bound, only
6053 * average and maximum width, and maximum height.
6055 *h
= FONT_HEIGHT (font
);
6056 *w
= FONT_WIDTH (font
);
6060 /* Compute the smallest character width and smallest font height over
6061 all fonts available on frame F. Set the members smallest_char_width
6062 and smallest_font_height in F's x_display_info structure to
6063 the values computed. Value is non-zero if smallest_font_height or
6064 smallest_char_width become smaller than they were before. */
6067 x_compute_min_glyph_bounds (f
)
6071 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
6073 int old_width
= dpyinfo
->smallest_char_width
;
6074 int old_height
= dpyinfo
->smallest_font_height
;
6076 dpyinfo
->smallest_font_height
= 100000;
6077 dpyinfo
->smallest_char_width
= 100000;
6079 for (i
= 0; i
< dpyinfo
->n_fonts
; ++i
)
6080 if (dpyinfo
->font_table
[i
].name
)
6082 struct font_info
*fontp
= dpyinfo
->font_table
+ i
;
6085 font
= (XFontStruct
*) fontp
->font
;
6086 xassert (font
!= (XFontStruct
*) ~0);
6087 x_font_min_bounds (font
, &w
, &h
);
6089 dpyinfo
->smallest_font_height
= min (dpyinfo
->smallest_font_height
, h
);
6090 dpyinfo
->smallest_char_width
= min (dpyinfo
->smallest_char_width
, w
);
6093 xassert (dpyinfo
->smallest_char_width
> 0
6094 && dpyinfo
->smallest_font_height
> 0);
6096 return (dpyinfo
->n_fonts
== 1
6097 || dpyinfo
->smallest_char_width
< old_width
6098 || dpyinfo
->smallest_font_height
< old_height
);
6101 /* The following functions are listed here to help diff stay in step
6102 with xterm.c. See w32fns.c for definitions.
6104 x_load_font (f, fontname, size)
6105 x_query_font (f, fontname)
6106 x_find_ccl_program (fontp)
6110 /***********************************************************************
6112 ***********************************************************************/
6114 static int w32_initialized
= 0;
6117 w32_initialize_display_info (display_name
)
6118 Lisp_Object display_name
;
6120 struct w32_display_info
*dpyinfo
= &one_w32_display_info
;
6122 bzero (dpyinfo
, sizeof (*dpyinfo
));
6124 /* Put it on w32_display_name_list. */
6125 w32_display_name_list
= Fcons (Fcons (display_name
, Qnil
),
6126 w32_display_name_list
);
6127 dpyinfo
->name_list_element
= XCAR (w32_display_name_list
);
6129 dpyinfo
->w32_id_name
6130 = (char *) xmalloc (SCHARS (Vinvocation_name
)
6131 + SCHARS (Vsystem_name
)
6133 sprintf (dpyinfo
->w32_id_name
, "%s@%s",
6134 SDATA (Vinvocation_name
), SDATA (Vsystem_name
));
6136 /* Default Console mode values - overridden when running in GUI mode
6137 with values obtained from system metrics. */
6140 dpyinfo
->height_in
= 1;
6141 dpyinfo
->width_in
= 1;
6142 dpyinfo
->n_planes
= 1;
6143 dpyinfo
->n_cbits
= 4;
6144 dpyinfo
->n_fonts
= 0;
6145 dpyinfo
->smallest_font_height
= 1;
6146 dpyinfo
->smallest_char_width
= 1;
6148 dpyinfo
->mouse_face_beg_row
= dpyinfo
->mouse_face_beg_col
= -1;
6149 dpyinfo
->mouse_face_end_row
= dpyinfo
->mouse_face_end_col
= -1;
6150 dpyinfo
->mouse_face_face_id
= DEFAULT_FACE_ID
;
6151 dpyinfo
->mouse_face_window
= Qnil
;
6152 dpyinfo
->mouse_face_overlay
= Qnil
;
6153 dpyinfo
->mouse_face_hidden
= 0;
6155 dpyinfo
->vertical_scroll_bar_cursor
= w32_load_cursor (IDC_ARROW
);
6156 /* TODO: dpyinfo->gray */
6160 /* Create an xrdb-style database of resources to supercede registry settings.
6161 The database is just a concatenation of C strings, finished by an additional
6162 \0. The string are submitted to some basic normalization, so
6164 [ *]option[ *]:[ *]value...
6170 but any whitespace following value is not removed. */
6173 w32_make_rdb (xrm_option
)
6176 char *buffer
= xmalloc (strlen (xrm_option
) + 2);
6177 char *current
= buffer
;
6180 int before_value
= 0;
6194 if (in_option
&& (ch
== ':'))
6199 else if (before_value
)
6204 else if (!(in_option
|| before_value
))
6215 struct w32_display_info
*
6216 w32_term_init (display_name
, xrm_option
, resource_name
)
6217 Lisp_Object display_name
;
6219 char *resource_name
;
6221 struct w32_display_info
*dpyinfo
;
6226 if (!w32_initialized
)
6229 w32_initialized
= 1;
6232 w32_initialize_display_info (display_name
);
6234 dpyinfo
= &one_w32_display_info
;
6236 dpyinfo
->xrdb
= xrm_option
? w32_make_rdb (xrm_option
) : NULL
;
6238 /* Put this display on the chain. */
6239 dpyinfo
->next
= x_display_list
;
6240 x_display_list
= dpyinfo
;
6242 hdc
= GetDC (GetDesktopWindow ());
6244 dpyinfo
->height
= GetDeviceCaps (hdc
, VERTRES
);
6245 dpyinfo
->width
= GetDeviceCaps (hdc
, HORZRES
);
6246 dpyinfo
->root_window
= GetDesktopWindow ();
6247 dpyinfo
->n_planes
= GetDeviceCaps (hdc
, PLANES
);
6248 dpyinfo
->n_cbits
= GetDeviceCaps (hdc
, BITSPIXEL
);
6249 dpyinfo
->resx
= GetDeviceCaps (hdc
, LOGPIXELSX
);
6250 dpyinfo
->resy
= GetDeviceCaps (hdc
, LOGPIXELSY
);
6251 dpyinfo
->has_palette
= GetDeviceCaps (hdc
, RASTERCAPS
) & RC_PALETTE
;
6252 dpyinfo
->image_cache
= make_image_cache ();
6253 dpyinfo
->height_in
= dpyinfo
->height
/ dpyinfo
->resx
;
6254 dpyinfo
->width_in
= dpyinfo
->width
/ dpyinfo
->resy
;
6255 ReleaseDC (GetDesktopWindow (), hdc
);
6257 /* initialise palette with white and black */
6260 w32_defined_color (0, "white", &color
, 1);
6261 w32_defined_color (0, "black", &color
, 1);
6264 /* Create Fringe Bitmaps and store them for later use.
6266 On W32, bitmaps are all unsigned short, as Windows requires
6267 bitmap data to be Word aligned. For some reason they are
6268 horizontally reflected compared to how they appear on X, so we
6269 need to bitswap and convert to unsigned shorts before creating
6273 #ifndef F_SETOWN_BUG
6275 #ifdef F_SETOWN_SOCK_NEG
6276 /* stdin is a socket here */
6277 fcntl (connection
, F_SETOWN
, -getpid ());
6278 #else /* ! defined (F_SETOWN_SOCK_NEG) */
6279 fcntl (connection
, F_SETOWN
, getpid ());
6280 #endif /* ! defined (F_SETOWN_SOCK_NEG) */
6281 #endif /* ! defined (F_SETOWN) */
6282 #endif /* F_SETOWN_BUG */
6285 if (interrupt_input
)
6286 init_sigio (connection
);
6287 #endif /* ! defined (SIGIO) */
6294 /* Get rid of display DPYINFO, assuming all frames are already gone. */
6297 x_delete_display (dpyinfo
)
6298 struct w32_display_info
*dpyinfo
;
6300 /* Discard this display from w32_display_name_list and w32_display_list.
6301 We can't use Fdelq because that can quit. */
6302 if (! NILP (w32_display_name_list
)
6303 && EQ (XCAR (w32_display_name_list
), dpyinfo
->name_list_element
))
6304 w32_display_name_list
= XCDR (w32_display_name_list
);
6309 tail
= w32_display_name_list
;
6310 while (CONSP (tail
) && CONSP (XCDR (tail
)))
6312 if (EQ (XCAR (XCDR (tail
)), dpyinfo
->name_list_element
))
6314 XSETCDR (tail
, XCDR (XCDR (tail
)));
6321 /* free palette table */
6323 struct w32_palette_entry
* plist
;
6325 plist
= dpyinfo
->color_list
;
6328 struct w32_palette_entry
* pentry
= plist
;
6329 plist
= plist
->next
;
6332 dpyinfo
->color_list
= NULL
;
6333 if (dpyinfo
->palette
)
6334 DeleteObject(dpyinfo
->palette
);
6336 xfree (dpyinfo
->font_table
);
6337 xfree (dpyinfo
->w32_id_name
);
6339 w32_reset_fringes ();
6342 /* Set up use of W32. */
6344 DWORD
w32_msg_worker ();
6347 x_flush (struct frame
* f
)
6348 { /* Nothing to do */ }
6350 extern frame_parm_handler w32_frame_parm_handlers
[];
6352 static struct redisplay_interface w32_redisplay_interface
=
6354 w32_frame_parm_handlers
,
6358 x_clear_end_of_line
,
6360 x_after_update_window_line
,
6361 x_update_window_begin
,
6362 x_update_window_end
,
6365 0, /* flush_display_optional */
6366 x_clear_window_mouse_face
,
6367 w32_get_glyph_overhangs
,
6368 x_fix_overlapping_area
,
6369 w32_draw_fringe_bitmap
,
6370 w32_define_fringe_bitmap
,
6371 w32_destroy_fringe_bitmap
,
6372 w32_per_char_metric
,
6374 NULL
, /* w32_compute_glyph_string_overhangs */
6375 x_draw_glyph_string
,
6376 w32_define_frame_cursor
,
6377 w32_clear_frame_area
,
6378 w32_draw_window_cursor
,
6379 w32_draw_vertical_window_border
,
6380 w32_shift_glyphs_for_insert
6386 rif
= &w32_redisplay_interface
;
6388 /* MSVC does not type K&R functions with no arguments correctly, and
6389 so we must explicitly cast them. */
6390 clear_frame_hook
= (void (*)(void)) x_clear_frame
;
6391 ring_bell_hook
= (void (*)(void)) w32_ring_bell
;
6392 update_begin_hook
= x_update_begin
;
6393 update_end_hook
= x_update_end
;
6395 read_socket_hook
= w32_read_socket
;
6397 frame_up_to_date_hook
= w32_frame_up_to_date
;
6399 mouse_position_hook
= w32_mouse_position
;
6400 frame_rehighlight_hook
= w32_frame_rehighlight
;
6401 frame_raise_lower_hook
= w32_frame_raise_lower
;
6402 set_vertical_scroll_bar_hook
= w32_set_vertical_scroll_bar
;
6403 condemn_scroll_bars_hook
= w32_condemn_scroll_bars
;
6404 redeem_scroll_bar_hook
= w32_redeem_scroll_bar
;
6405 judge_scroll_bars_hook
= w32_judge_scroll_bars
;
6407 scroll_region_ok
= 1; /* we'll scroll partial frames */
6408 char_ins_del_ok
= 1;
6409 line_ins_del_ok
= 1; /* we'll just blt 'em */
6410 fast_clear_end_of_line
= 1; /* X does this well */
6411 memory_below_frame
= 0; /* we don't remember what scrolls
6415 w32_system_caret_hwnd
= NULL
;
6416 w32_system_caret_height
= 0;
6417 w32_system_caret_x
= 0;
6418 w32_system_caret_y
= 0;
6420 last_tool_bar_item
= -1;
6421 any_help_event_p
= 0;
6423 /* Initialize input mode: interrupt_input off, no flow control, allow
6424 8 bit character input, standard quit char. */
6425 Fset_input_mode (Qnil
, Qnil
, make_number (2), Qnil
);
6427 /* Create the window thread - it will terminate itself or when the app terminates */
6431 dwMainThreadId
= GetCurrentThreadId ();
6432 DuplicateHandle (GetCurrentProcess (), GetCurrentThread (),
6433 GetCurrentProcess (), &hMainThread
, 0, TRUE
, DUPLICATE_SAME_ACCESS
);
6435 /* Wait for thread to start */
6440 PeekMessage (&msg
, NULL
, 0, 0, PM_NOREMOVE
);
6442 hWindowsThread
= CreateThread (NULL
, 0,
6443 (LPTHREAD_START_ROUTINE
) w32_msg_worker
,
6444 0, 0, &dwWindowsThreadId
);
6446 GetMessage (&msg
, NULL
, WM_EMACS_DONE
, WM_EMACS_DONE
);
6449 /* It is desirable that mainThread should have the same notion of
6450 focus window and active window as windowsThread. Unfortunately, the
6451 following call to AttachThreadInput, which should do precisely what
6452 we need, causes major problems when Emacs is linked as a console
6453 program. Unfortunately, we have good reasons for doing that, so
6454 instead we need to send messages to windowsThread to make some API
6455 calls for us (ones that affect, or depend on, the active/focus
6457 #ifdef ATTACH_THREADS
6458 AttachThreadInput (dwMainThreadId
, dwWindowsThreadId
, TRUE
);
6461 /* Dynamically link to optional system components. */
6463 HANDLE user_lib
= LoadLibrary ("user32.dll");
6465 #define LOAD_PROC(fn) pfn##fn = (void *) GetProcAddress (user_lib, #fn)
6467 /* New proportional scroll bar functions. */
6468 LOAD_PROC (SetScrollInfo
);
6469 LOAD_PROC (GetScrollInfo
);
6473 FreeLibrary (user_lib
);
6475 /* If using proportional scroll bars, ensure handle is at least 5 pixels;
6476 otherwise use the fixed height. */
6477 vertical_scroll_bar_min_handle
= (pfnSetScrollInfo
!= NULL
) ? 5 :
6478 GetSystemMetrics (SM_CYVTHUMB
);
6480 /* For either kind of scroll bar, take account of the arrows; these
6481 effectively form the border of the main scroll bar range. */
6482 vertical_scroll_bar_top_border
= vertical_scroll_bar_bottom_border
6483 = GetSystemMetrics (SM_CYVSCROLL
);
6490 staticpro (&w32_display_name_list
);
6491 w32_display_name_list
= Qnil
;
6493 staticpro (&last_mouse_scroll_bar
);
6494 last_mouse_scroll_bar
= Qnil
;
6496 staticpro (&Qvendor_specific_keysyms
);
6497 Qvendor_specific_keysyms
= intern ("vendor-specific-keysyms");
6499 DEFVAR_INT ("w32-num-mouse-buttons",
6500 &Vw32_num_mouse_buttons
,
6501 doc
: /* Number of physical mouse buttons. */);
6502 Vw32_num_mouse_buttons
= Qnil
;
6504 DEFVAR_LISP ("w32-swap-mouse-buttons",
6505 &Vw32_swap_mouse_buttons
,
6506 doc
: /* Swap the mapping of middle and right mouse buttons.
6507 When nil, middle button is mouse-2 and right button is mouse-3. */);
6508 Vw32_swap_mouse_buttons
= Qnil
;
6510 DEFVAR_LISP ("w32-grab-focus-on-raise",
6511 &Vw32_grab_focus_on_raise
,
6512 doc
: /* Raised frame grabs input focus.
6513 When t, `raise-frame' grabs input focus as well. This fits well
6514 with the normal Windows click-to-focus policy, but might not be
6515 desirable when using a point-to-focus policy. */);
6516 Vw32_grab_focus_on_raise
= Qt
;
6518 DEFVAR_LISP ("w32-capslock-is-shiftlock",
6519 &Vw32_capslock_is_shiftlock
,
6520 doc
: /* Apply CapsLock state to non character input keys.
6521 When nil, CapsLock only affects normal character input keys. */);
6522 Vw32_capslock_is_shiftlock
= Qnil
;
6524 DEFVAR_LISP ("w32-recognize-altgr",
6525 &Vw32_recognize_altgr
,
6526 doc
: /* Recognize right-alt and left-ctrl as AltGr.
6527 When nil, the right-alt and left-ctrl key combination is
6528 interpreted normally. */);
6529 Vw32_recognize_altgr
= Qt
;
6531 DEFVAR_BOOL ("w32-enable-unicode-output",
6532 &w32_enable_unicode_output
,
6533 doc
: /* Enable the use of Unicode for text output if non-nil.
6534 Unicode output may prevent some third party applications for displaying
6535 Far-East Languages on Windows 95/98 from working properly.
6536 NT uses Unicode internally anyway, so this flag will probably have no
6537 affect on NT machines. */);
6538 w32_enable_unicode_output
= 1;
6540 DEFVAR_BOOL ("w32-use-visible-system-caret",
6541 &w32_use_visible_system_caret
,
6542 doc
: /* Flag to make the system caret visible.
6543 When this is non-nil, Emacs will indicate the position of point by
6544 using the system caret instead of drawing its own cursor. Some screen
6545 reader software does not track the system cursor properly when it is
6546 invisible, and gets confused by Emacs drawing its own cursor, so this
6547 variable is initialized to t when Emacs detects that screen reader
6548 software is running as it starts up.
6550 When this variable is set, other variables affecting the appearance of
6551 the cursor have no effect. */);
6553 /* Initialize w32_use_visible_system_caret based on whether a screen
6554 reader is in use. */
6555 if (!SystemParametersInfo (SPI_GETSCREENREADER
, 0,
6556 &w32_use_visible_system_caret
, 0))
6557 w32_use_visible_system_caret
= 0;
6559 DEFVAR_LISP ("x-toolkit-scroll-bars", &Vx_toolkit_scroll_bars
,
6560 doc
: /* If not nil, Emacs uses toolkit scroll bars. */);
6561 Vx_toolkit_scroll_bars
= Qt
;
6563 staticpro (&last_mouse_motion_frame
);
6564 last_mouse_motion_frame
= Qnil
;
6567 /* arch-tag: 5fa70624-ab86-499c-8a85-473958ee4646
6568 (do not change this comment) */