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 int max_fringe_bmp
= 0;
66 static HBITMAP
*fringe_bmp
= 0;
68 /* Non-nil means Emacs uses toolkit scroll bars. */
70 Lisp_Object Vx_toolkit_scroll_bars
;
72 /* Temporary variables for w32_read_socket. */
74 static int last_mousemove_x
= 0;
75 static int last_mousemove_y
= 0;
77 /* Define GET_WHEEL_DELTA_WPARAM macro if system headers don't. */
78 #ifndef GET_WHEEL_DELTA_WPARAM
79 #define GET_WHEEL_DELTA_WPARAM(wparam) ((short)HIWORD (wparam))
82 /* Non-zero means that a HELP_EVENT has been generated since Emacs
85 static int any_help_event_p
;
87 /* Last window where we saw the mouse. Used by mouse-autoselect-window. */
88 static Lisp_Object last_window
;
90 extern unsigned int msh_mousewheel
;
92 extern void free_frame_menubar ();
94 extern int w32_codepage_for_font (char *fontname
);
95 extern Cursor
w32_load_cursor (LPCTSTR name
);
97 extern glyph_metric
*w32_BDF_TextMetric(bdffont
*fontp
,
98 unsigned char *text
, int dim
);
99 extern Lisp_Object Vwindow_system
;
101 #define x_any_window_to_frame x_window_to_frame
102 #define x_top_window_to_frame x_window_to_frame
105 /* This is display since w32 does not support multiple ones. */
106 struct w32_display_info one_w32_display_info
;
107 struct w32_display_info
*x_display_list
;
109 /* This is a list of cons cells, each of the form (NAME . FONT-LIST-CACHE),
110 one for each element of w32_display_list and in the same order.
111 NAME is the name of the frame.
112 FONT-LIST-CACHE records previous values returned by x-list-fonts. */
113 Lisp_Object w32_display_name_list
;
115 /* Frame being updated by update_frame. This is declared in term.c.
116 This is set by update_begin and looked at by all the
117 w32 functions. It is zero while not inside an update.
118 In that case, the w32 functions assume that `SELECTED_FRAME ()'
119 is the frame to apply to. */
120 extern struct frame
*updating_frame
;
122 /* This is a frame waiting to be autoraised, within w32_read_socket. */
123 struct frame
*pending_autoraise_frame
;
125 /* The handle of the frame that currently owns the system caret. */
126 HWND w32_system_caret_hwnd
;
127 int w32_system_caret_height
;
128 int w32_system_caret_x
;
129 int w32_system_caret_y
;
130 int w32_use_visible_system_caret
;
132 /* Flag to enable Unicode output in case users wish to use programs
133 like Twinbridge on '95 rather than installed system level support
134 for Far East languages. */
135 int w32_enable_unicode_output
;
137 DWORD dwWindowsThreadId
= 0;
138 HANDLE hWindowsThread
= NULL
;
139 DWORD dwMainThreadId
= 0;
140 HANDLE hMainThread
= NULL
;
143 /* These definitions are new with Windows 95. */
144 #define SIF_RANGE 0x0001
145 #define SIF_PAGE 0x0002
146 #define SIF_POS 0x0004
147 #define SIF_DISABLENOSCROLL 0x0008
148 #define SIF_TRACKPOS 0x0010
149 #define SIF_ALL (SIF_RANGE | SIF_PAGE | SIF_POS | SIF_TRACKPOS)
151 typedef struct tagSCROLLINFO
160 } SCROLLINFO
, FAR
*LPSCROLLINFO
;
161 typedef SCROLLINFO CONST FAR
*LPCSCROLLINFO
;
164 /* Dynamic linking to new proportional scroll bar functions. */
165 int (PASCAL
*pfnSetScrollInfo
) (HWND hwnd
, int fnBar
, LPSCROLLINFO lpsi
, BOOL fRedraw
);
166 BOOL (PASCAL
*pfnGetScrollInfo
) (HWND hwnd
, int fnBar
, LPSCROLLINFO lpsi
);
168 int vertical_scroll_bar_min_handle
;
169 int vertical_scroll_bar_top_border
;
170 int vertical_scroll_bar_bottom_border
;
172 int last_scroll_bar_drag_pos
;
174 /* Mouse movement. */
176 /* Where the mouse was last time we reported a mouse event. */
178 static RECT last_mouse_glyph
;
179 static Lisp_Object last_mouse_press_frame
;
181 int w32_num_mouse_buttons
;
183 Lisp_Object Vw32_swap_mouse_buttons
;
185 /* Control whether x_raise_frame also sets input focus. */
186 Lisp_Object Vw32_grab_focus_on_raise
;
188 /* Control whether Caps Lock affects non-ascii characters. */
189 Lisp_Object Vw32_capslock_is_shiftlock
;
191 /* Control whether right-alt and left-ctrl should be recognized as AltGr. */
192 Lisp_Object Vw32_recognize_altgr
;
194 /* The scroll bar in which the last motion event occurred.
196 If the last motion event occurred in a scroll bar, we set this
197 so w32_mouse_position can know whether to report a scroll bar motion or
200 If the last motion event didn't occur in a scroll bar, we set this
201 to Qnil, to tell w32_mouse_position to return an ordinary motion event. */
202 static Lisp_Object last_mouse_scroll_bar
;
203 static int last_mouse_scroll_bar_pos
;
205 /* This is a hack. We would really prefer that w32_mouse_position would
206 return the time associated with the position it returns, but there
207 doesn't seem to be any way to wrest the time-stamp from the server
208 along with the position query. So, we just keep track of the time
209 of the last movement we received, and return that in hopes that
210 it's somewhat accurate. */
212 static Time last_mouse_movement_time
;
214 /* Incremented by w32_read_socket whenever it really tries to read
218 static int volatile input_signal_count
;
220 static int input_signal_count
;
223 extern Lisp_Object Vcommand_line_args
, Vsystem_name
;
229 /* A mask of extra modifier bits to put into every keyboard char. */
231 extern EMACS_INT extra_keyboard_modifiers
;
233 static void x_update_window_end
P_ ((struct window
*, int, int));
234 void w32_delete_display
P_ ((struct w32_display_info
*));
235 static void w32_handle_tool_bar_click
P_ ((struct frame
*,
236 struct input_event
*));
237 void w32_define_cursor
P_ ((Window
, Cursor
));
239 void x_lower_frame
P_ ((struct frame
*));
240 void x_scroll_bar_clear
P_ ((struct frame
*));
241 void x_wm_set_size_hint
P_ ((struct frame
*, long, int));
242 void x_raise_frame
P_ ((struct frame
*));
243 void x_set_window_size
P_ ((struct frame
*, int, int, int));
244 void x_wm_set_window_state
P_ ((struct frame
*, int));
245 void x_wm_set_icon_pixmap
P_ ((struct frame
*, int));
246 void w32_initialize
P_ ((void));
247 static void x_font_min_bounds
P_ ((XFontStruct
*, int *, int *));
248 int x_compute_min_glyph_bounds
P_ ((struct frame
*));
249 static void x_update_end
P_ ((struct frame
*));
250 static void w32_frame_up_to_date
P_ ((struct frame
*));
251 static void w32_set_terminal_modes
P_ ((void));
252 static void w32_reset_terminal_modes
P_ ((void));
253 static void x_clear_frame
P_ ((void));
254 static void frame_highlight
P_ ((struct frame
*));
255 static void frame_unhighlight
P_ ((struct frame
*));
256 static void x_new_focus_frame
P_ ((struct w32_display_info
*,
258 static void w32_frame_rehighlight
P_ ((struct frame
*));
259 static void x_frame_rehighlight
P_ ((struct w32_display_info
*));
260 static void x_draw_hollow_cursor
P_ ((struct window
*, struct glyph_row
*));
261 static void x_draw_bar_cursor
P_ ((struct window
*, struct glyph_row
*, int,
262 enum text_cursor_kinds
));
263 static void w32_clip_to_row
P_ ((struct window
*, struct glyph_row
*, HDC
));
265 static Lisp_Object Qvendor_specific_keysyms
;
268 /***********************************************************************
270 ***********************************************************************/
274 /* This is a function useful for recording debugging information about
275 the sequence of occurrences in this file. */
283 struct record event_record
[100];
285 int event_record_index
;
287 record_event (locus
, type
)
291 if (event_record_index
== sizeof (event_record
) / sizeof (struct record
))
292 event_record_index
= 0;
294 event_record
[event_record_index
].locus
= locus
;
295 event_record
[event_record_index
].type
= type
;
296 event_record_index
++;
303 XChangeGC (void * ignore
, XGCValues
* gc
, unsigned long mask
,
306 if (mask
& GCForeground
)
307 gc
->foreground
= xgcv
->foreground
;
308 if (mask
& GCBackground
)
309 gc
->background
= xgcv
->background
;
311 gc
->font
= xgcv
->font
;
314 XGCValues
*XCreateGC (void * ignore
, Window window
, unsigned long mask
,
317 XGCValues
*gc
= (XGCValues
*) xmalloc (sizeof (XGCValues
));
318 bzero (gc
, sizeof (XGCValues
));
320 XChangeGC (ignore
, gc
, mask
, xgcv
);
326 XGetGCValues (void* ignore
, XGCValues
*gc
,
327 unsigned long mask
, XGCValues
*xgcv
)
329 XChangeGC (ignore
, xgcv
, mask
, gc
);
333 w32_set_clip_rectangle (HDC hdc
, RECT
*rect
)
337 HRGN clip_region
= CreateRectRgnIndirect (rect
);
338 SelectClipRgn (hdc
, clip_region
);
339 DeleteObject (clip_region
);
342 SelectClipRgn (hdc
, NULL
);
346 /* Draw a hollow rectangle at the specified position. */
348 w32_draw_rectangle (HDC hdc
, XGCValues
*gc
, int x
, int y
,
349 int width
, int height
)
354 hb
= CreateSolidBrush (gc
->background
);
355 hp
= CreatePen (PS_SOLID
, 0, gc
->foreground
);
356 oldhb
= SelectObject (hdc
, hb
);
357 oldhp
= SelectObject (hdc
, hp
);
359 Rectangle (hdc
, x
, y
, x
+ width
, y
+ height
);
361 SelectObject (hdc
, oldhb
);
362 SelectObject (hdc
, oldhp
);
367 /* Draw a filled rectangle at the specified position. */
369 w32_fill_rect (f
, hdc
, pix
, lprect
)
377 hb
= CreateSolidBrush (pix
);
378 FillRect (hdc
, lprect
, hb
);
387 HDC hdc
= get_frame_dc (f
);
389 /* Under certain conditions, this can be called at startup with
390 a console frame pointer before the GUI frame is created. An HDC
391 of 0 indicates this. */
394 GetClientRect (FRAME_W32_WINDOW (f
), &rect
);
395 w32_clear_rect (f
, hdc
, &rect
);
398 release_frame_dc (f
, hdc
);
402 /***********************************************************************
403 Starting and ending an update
404 ***********************************************************************/
406 /* Start an update of frame F. This function is installed as a hook
407 for update_begin, i.e. it is called when update_begin is called.
408 This function is called prior to calls to x_update_window_begin for
409 each window being updated. */
415 struct w32_display_info
*display_info
= FRAME_W32_DISPLAY_INFO (f
);
417 if (! FRAME_W32_P (f
))
420 /* Regenerate display palette before drawing if list of requested
421 colors has changed. */
422 if (display_info
->regen_palette
)
424 w32_regenerate_palette (f
);
425 display_info
->regen_palette
= FALSE
;
430 /* Start update of window W. Set the global variable updated_window
431 to the window being updated and set output_cursor to the cursor
435 x_update_window_begin (w
)
438 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
439 struct w32_display_info
*display_info
= FRAME_W32_DISPLAY_INFO (f
);
441 /* Hide the system caret during an update. */
442 if (w32_use_visible_system_caret
&& w32_system_caret_hwnd
)
444 SendMessage (w32_system_caret_hwnd
, WM_EMACS_HIDE_CARET
, 0, 0);
448 set_output_cursor (&w
->cursor
);
452 if (f
== display_info
->mouse_face_mouse_frame
)
454 /* Don't do highlighting for mouse motion during the update. */
455 display_info
->mouse_face_defer
= 1;
457 /* If F needs to be redrawn, simply forget about any prior mouse
459 if (FRAME_GARBAGED_P (f
))
460 display_info
->mouse_face_window
= Qnil
;
462 #if 0 /* Rows in a current matrix containing glyphs in mouse-face have
463 their mouse_face_p flag set, which means that they are always
464 unequal to rows in a desired matrix which never have that
465 flag set. So, rows containing mouse-face glyphs are never
466 scrolled, and we don't have to switch the mouse highlight off
467 here to prevent it from being scrolled. */
469 /* Can we tell that this update does not affect the window
470 where the mouse highlight is? If so, no need to turn off.
471 Likewise, don't do anything if the frame is garbaged;
472 in that case, the frame's current matrix that we would use
473 is all wrong, and we will redisplay that line anyway. */
474 if (!NILP (display_info
->mouse_face_window
)
475 && w
== XWINDOW (display_info
->mouse_face_window
))
479 for (i
= 0; i
< w
->desired_matrix
->nrows
; ++i
)
480 if (MATRIX_ROW_ENABLED_P (w
->desired_matrix
, i
))
483 if (i
< w
->desired_matrix
->nrows
)
484 clear_mouse_face (display_info
);
492 /* Draw a vertical window border from (x,y0) to (x,y1) */
495 w32_draw_vertical_window_border (w
, x
, y0
, y1
)
499 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
508 hdc
= get_frame_dc (f
);
509 w32_fill_rect (f
, hdc
, FRAME_FOREGROUND_PIXEL (f
), &r
);
510 release_frame_dc (f
, hdc
);
514 /* End update of window W (which is equal to updated_window).
516 Draw vertical borders between horizontally adjacent windows, and
517 display W's cursor if CURSOR_ON_P is non-zero.
519 MOUSE_FACE_OVERWRITTEN_P non-zero means that some row containing
520 glyphs in mouse-face were overwritten. In that case we have to
521 make sure that the mouse-highlight is properly redrawn.
523 W may be a menu bar pseudo-window in case we don't have X toolkit
524 support. Such windows don't have a cursor, so don't display it
528 x_update_window_end (w
, cursor_on_p
, mouse_face_overwritten_p
)
530 int cursor_on_p
, mouse_face_overwritten_p
;
532 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (XFRAME (w
->frame
));
534 if (!w
->pseudo_window_p
)
539 display_and_set_cursor (w
, 1, output_cursor
.hpos
,
541 output_cursor
.x
, output_cursor
.y
);
543 x_draw_vertical_border (w
);
545 draw_window_fringes (w
);
550 /* If a row with mouse-face was overwritten, arrange for
551 XTframe_up_to_date to redisplay the mouse highlight. */
552 if (mouse_face_overwritten_p
)
554 dpyinfo
->mouse_face_beg_row
= dpyinfo
->mouse_face_beg_col
= -1;
555 dpyinfo
->mouse_face_end_row
= dpyinfo
->mouse_face_end_col
= -1;
556 dpyinfo
->mouse_face_window
= Qnil
;
559 /* Unhide the caret. This won't actually show the cursor, unless it
560 was visible before the corresponding call to HideCaret in
561 x_update_window_begin. */
562 if (w32_use_visible_system_caret
&& w32_system_caret_hwnd
)
564 SendMessage (w32_system_caret_hwnd
, WM_EMACS_SHOW_CARET
, 0, 0);
567 updated_window
= NULL
;
571 /* End update of frame F. This function is installed as a hook in
578 if (! FRAME_W32_P (f
))
581 /* Mouse highlight may be displayed again. */
582 FRAME_W32_DISPLAY_INFO (f
)->mouse_face_defer
= 0;
586 /* This function is called from various places in xdisp.c whenever a
587 complete update has been performed. The global variable
588 updated_window is not available here. */
591 w32_frame_up_to_date (f
)
596 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
598 if (dpyinfo
->mouse_face_deferred_gc
599 || f
== dpyinfo
->mouse_face_mouse_frame
)
602 if (dpyinfo
->mouse_face_mouse_frame
)
603 note_mouse_highlight (dpyinfo
->mouse_face_mouse_frame
,
604 dpyinfo
->mouse_face_mouse_x
,
605 dpyinfo
->mouse_face_mouse_y
);
606 dpyinfo
->mouse_face_deferred_gc
= 0;
613 /* Draw truncation mark bitmaps, continuation mark bitmaps, overlay
614 arrow bitmaps, or clear the fringes if no bitmaps are required
615 before DESIRED_ROW is made current. The window being updated is
616 found in updated_window. This function is called from
617 update_window_line only if it is known that there are differences
618 between bitmaps to be drawn between current row and DESIRED_ROW. */
621 x_after_update_window_line (desired_row
)
622 struct glyph_row
*desired_row
;
624 struct window
*w
= updated_window
;
630 if (!desired_row
->mode_line_p
&& !w
->pseudo_window_p
)
631 desired_row
->redraw_fringe_bitmaps_p
= 1;
633 /* When a window has disappeared, make sure that no rest of
634 full-width rows stays visible in the internal border. Could
635 check here if updated_window is the leftmost/rightmost window,
636 but I guess it's not worth doing since vertically split windows
637 are almost never used, internal border is rarely set, and the
638 overhead is very small. */
639 if (windows_or_buffers_changed
640 && desired_row
->full_width_p
641 && (f
= XFRAME (w
->frame
),
642 width
= FRAME_INTERNAL_BORDER_WIDTH (f
),
644 && (height
= desired_row
->visible_height
,
647 int y
= WINDOW_TO_FRAME_PIXEL_Y (w
, max (0, desired_row
->y
));
649 /* Internal border is drawn below the tool bar. */
650 if (WINDOWP (f
->tool_bar_window
)
651 && w
== XWINDOW (f
->tool_bar_window
))
656 HDC hdc
= get_frame_dc (f
);
657 w32_clear_area (f
, hdc
, 0, y
, width
, height
);
658 w32_clear_area (f
, hdc
, FRAME_PIXEL_WIDTH (f
) - width
,
660 release_frame_dc (f
, hdc
);
667 /* Draw the bitmap WHICH in one of the left or right fringes of
668 window W. ROW is the glyph row for which to display the bitmap; it
669 determines the vertical position at which the bitmap has to be
673 w32_draw_fringe_bitmap (w
, row
, p
)
675 struct glyph_row
*row
;
676 struct draw_fringe_bitmap_params
*p
;
678 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
680 struct face
*face
= p
->face
;
683 hdc
= get_frame_dc (f
);
685 /* Must clip because of partially visible lines. */
686 rowY
= WINDOW_TO_FRAME_PIXEL_Y (w
, row
->y
);
689 /* Adjust position of "bottom aligned" bitmap on partially
692 int oldVH
= row
->visible_height
;
693 row
->visible_height
= p
->h
;
694 row
->y
-= rowY
- p
->y
;
695 w32_clip_to_row (w
, row
, hdc
);
697 row
->visible_height
= oldVH
;
700 w32_clip_to_row (w
, row
, hdc
);
702 if (p
->bx
>= 0 && !p
->overlay_p
)
704 w32_fill_area (f
, hdc
, face
->background
,
705 p
->bx
, p
->by
, p
->nx
, p
->ny
);
708 if (p
->which
&& p
->which
< max_fringe_bmp
)
710 HBITMAP pixmap
= fringe_bmp
[p
->which
];
714 compat_hdc
= CreateCompatibleDC (hdc
);
718 horig_obj
= SelectObject (compat_hdc
, pixmap
);
720 /* Paint overlays transparently. */
723 HBRUSH h_brush
, h_orig_brush
;
725 SetTextColor (hdc
, BLACK_PIX_DEFAULT (f
));
726 SetBkColor (hdc
, WHITE_PIX_DEFAULT (f
));
727 h_brush
= CreateSolidBrush (face
->foreground
);
728 h_orig_brush
= SelectObject (hdc
, h_brush
);
730 BitBlt (hdc
, p
->x
, p
->y
, p
->wd
, p
->h
,
731 compat_hdc
, 0, p
->dh
,
733 BitBlt (hdc
, p
->x
, p
->y
, p
->wd
, p
->h
,
734 compat_hdc
, 0, p
->dh
,
736 BitBlt (hdc
, p
->x
, p
->y
, p
->wd
, p
->h
,
737 compat_hdc
, 0, p
->dh
,
740 SelectObject (hdc
, h_orig_brush
);
741 DeleteObject (h_brush
);
745 SetTextColor (hdc
, face
->background
);
746 SetBkColor (hdc
, (p
->cursor_p
747 ? f
->output_data
.w32
->cursor_pixel
748 : face
->foreground
));
750 BitBlt (hdc
, p
->x
, p
->y
, p
->wd
, p
->h
,
751 compat_hdc
, 0, p
->dh
,
755 SelectObject (compat_hdc
, horig_obj
);
756 DeleteDC (compat_hdc
);
760 w32_set_clip_rectangle (hdc
, NULL
);
762 release_frame_dc (f
, hdc
);
766 w32_define_fringe_bitmap (which
, bits
, h
, wd
)
768 unsigned short *bits
;
771 if (which
>= max_fringe_bmp
)
773 int i
= max_fringe_bmp
;
774 max_fringe_bmp
= which
+ 20;
775 fringe_bmp
= (HBITMAP
*) xrealloc (fringe_bmp
, max_fringe_bmp
* sizeof (HBITMAP
));
776 while (i
< max_fringe_bmp
)
780 fringe_bmp
[which
] = CreateBitmap (wd
, h
, 1, 1, bits
);
784 w32_destroy_fringe_bitmap (which
)
787 if (which
>= max_fringe_bmp
)
790 if (fringe_bmp
[which
])
791 DeleteObject (fringe_bmp
[which
]);
792 fringe_bmp
[which
] = 0;
797 /* This is called when starting Emacs and when restarting after
798 suspend. When starting Emacs, no window is mapped. And nothing
799 must be done to Emacs's own window if it is suspended (though that
803 w32_set_terminal_modes (void)
807 /* This is called when exiting or suspending Emacs. Exiting will make
808 the W32 windows go away, and suspending requires no action. */
811 w32_reset_terminal_modes (void)
817 /***********************************************************************
819 ***********************************************************************/
821 /* Function prototypes of this page. */
823 static XCharStruct
*w32_per_char_metric
P_ ((XFontStruct
*,
825 static int w32_encode_char
P_ ((int, wchar_t *, struct font_info
*, int *));
828 /* Get metrics of character CHAR2B in FONT. Value is always non-null.
829 If CHAR2B is not contained in FONT, the font's default character
830 metric is returned. */
833 w32_bdf_per_char_metric (font
, char2b
, dim
, pcm
)
839 glyph_metric
* bdf_metric
;
843 buf
[0] = (char)(*char2b
);
846 buf
[0] = XCHAR2B_BYTE1 (char2b
);
847 buf
[1] = XCHAR2B_BYTE2 (char2b
);
850 bdf_metric
= w32_BDF_TextMetric (font
->bdf
, buf
, dim
);
854 pcm
->width
= bdf_metric
->dwidth
;
855 pcm
->lbearing
= bdf_metric
->bbox
;
856 pcm
->rbearing
= bdf_metric
->dwidth
857 - (bdf_metric
->bbox
+ bdf_metric
->bbw
);
858 pcm
->ascent
= bdf_metric
->bboy
+ bdf_metric
->bbh
;
859 pcm
->descent
= -bdf_metric
->bboy
;
868 w32_native_per_char_metric (font
, char2b
, font_type
, pcm
)
871 enum w32_char_font_type font_type
;
874 HDC hdc
= GetDC (NULL
);
878 xassert (font
&& char2b
);
879 xassert (font
->hfont
);
880 xassert (font_type
== UNICODE_FONT
|| font_type
== ANSI_FONT
);
882 old_font
= SelectObject (hdc
, font
->hfont
);
884 if ((font
->tm
.tmPitchAndFamily
& TMPF_TRUETYPE
) != 0)
888 if (font_type
== UNICODE_FONT
)
889 retval
= GetCharABCWidthsW (hdc
, *char2b
, *char2b
, &char_widths
);
891 retval
= GetCharABCWidthsA (hdc
, *char2b
, *char2b
, &char_widths
);
896 /* Disabled until we can find a way to get the right results
897 on all versions of Windows. */
899 /* Don't trust the ABC widths. For synthesized fonts they are
900 wrong, and so is the result of GetCharWidth()! */
902 GetCharWidth (hdc
, *char2b
, *char2b
, &real_width
);
904 pcm
->width
= char_widths
.abcA
+ char_widths
.abcB
+ char_widths
.abcC
;
906 /* As far as I can tell, this is the best way to determine what
907 ExtTextOut will do with the broken font. */
908 if (pcm
->width
!= real_width
)
909 pcm
->width
= (pcm
->width
+ real_width
) / 2;
911 pcm
->lbearing
= char_widths
.abcA
;
912 pcm
->rbearing
= char_widths
.abcA
+ char_widths
.abcB
;
913 pcm
->ascent
= FONT_BASE (font
);
914 pcm
->descent
= FONT_DESCENT (font
);
920 /* Either font is not a True-type font, or GetCharABCWidthsW
921 failed (it is not supported on Windows 9x for instance), so we
922 can't determine the full info we would like. All is not lost
923 though - we can call GetTextExtentPoint32 to get rbearing and
924 deduce width based on the font's per-string overhang. lbearing
925 is assumed to be zero. */
927 /* TODO: Some Thai characters (and other composites if Windows
928 supports them) do have lbearing, and report their total width
929 as zero. Need some way of handling them when
930 GetCharABCWidthsW fails. */
933 if (font_type
== UNICODE_FONT
)
934 retval
= GetTextExtentPoint32W (hdc
, char2b
, 1, &sz
);
936 retval
= GetTextExtentPoint32A (hdc
, (char*)char2b
, 1, &sz
);
940 pcm
->width
= sz
.cx
- font
->tm
.tmOverhang
;
941 pcm
->rbearing
= sz
.cx
;
943 pcm
->ascent
= FONT_BASE (font
);
944 pcm
->descent
= FONT_DESCENT (font
);
949 if (pcm
->width
== 0 && (pcm
->rbearing
- pcm
->lbearing
) == 0)
954 SelectObject (hdc
, old_font
);
955 ReleaseDC (NULL
, hdc
);
962 w32_per_char_metric (font
, char2b
, font_type
)
965 int /* enum w32_char_font_type */ font_type
;
967 /* The result metric information. */
971 xassert (font
&& char2b
);
973 /* TODO: This function is currently called through the RIF, and in
974 some cases font_type is UNKNOWN_FONT. We currently allow the
975 cached metrics to be used, which seems to work, but in cases
976 where font_type is UNKNOWN_FONT, we probably haven't encoded
977 char2b appropriately. All callers need checking to see what they
978 are passing. This is most likely to affect variable width fonts
979 outside the Latin-1 range, particularly in languages like Thai
980 that rely on rbearing and lbearing to provide composition. I
981 don't think that is working currently anyway, but we don't seem
982 to have anyone testing such languages on Windows. */
984 /* Handle the common cases quickly. */
985 if (!font
->bdf
&& font
->per_char
== NULL
)
986 /* TODO: determine whether char2b exists in font? */
987 return &font
->max_bounds
;
988 else if (!font
->bdf
&& *char2b
< 128)
989 return &font
->per_char
[*char2b
];
991 xassert (font_type
!= UNKNOWN_FONT
);
993 pcm
= &font
->scratch
;
995 if (font_type
== BDF_1D_FONT
)
996 retval
= w32_bdf_per_char_metric (font
, char2b
, 1, pcm
);
997 else if (font_type
== BDF_2D_FONT
)
998 retval
= w32_bdf_per_char_metric (font
, char2b
, 2, pcm
);
1000 retval
= w32_native_per_char_metric (font
, char2b
, font_type
, pcm
);
1009 w32_cache_char_metrics (font
)
1012 wchar_t char2b
= L
'x';
1014 /* Cache char metrics for the common cases. */
1017 /* TODO: determine whether font is fixed-pitch. */
1018 if (!w32_bdf_per_char_metric (font
, &char2b
, 1, &font
->max_bounds
))
1020 /* Use the font width and height as max bounds, as not all BDF
1021 fonts contain the letter 'x'. */
1022 font
->max_bounds
.width
= FONT_MAX_WIDTH (font
);
1023 font
->max_bounds
.lbearing
= -font
->bdf
->llx
;
1024 font
->max_bounds
.rbearing
= FONT_MAX_WIDTH (font
) - font
->bdf
->urx
;
1025 font
->max_bounds
.ascent
= FONT_BASE (font
);
1026 font
->max_bounds
.descent
= FONT_DESCENT (font
);
1031 if (((font
->tm
.tmPitchAndFamily
& TMPF_FIXED_PITCH
) != 0)
1032 /* Some fonts (eg DBCS fonts) are marked as fixed width even
1033 though they contain characters of different widths. */
1034 || (font
->tm
.tmMaxCharWidth
!= font
->tm
.tmAveCharWidth
))
1036 /* Font is not fixed pitch, so cache per_char info for the
1037 ASCII characters. It would be much more work, and probably
1038 not worth it, to cache other chars, since we may change
1039 between using Unicode and ANSI text drawing functions at
1043 font
->per_char
= xmalloc (128 * sizeof(XCharStruct
));
1044 for (i
= 0; i
< 128; i
++)
1047 w32_native_per_char_metric (font
, &char2b
, ANSI_FONT
,
1048 &font
->per_char
[i
]);
1052 w32_native_per_char_metric (font
, &char2b
, ANSI_FONT
,
1058 /* Determine if a font is double byte. */
1059 int w32_font_is_double_byte (XFontStruct
*font
)
1061 return font
->double_byte_p
;
1066 w32_use_unicode_for_codepage (codepage
)
1069 /* If the current codepage is supported, use Unicode for output. */
1070 return (w32_enable_unicode_output
1071 && codepage
!= CP_8BIT
1072 && (codepage
== CP_UNICODE
|| IsValidCodePage (codepage
)));
1075 /* Encode CHAR2B using encoding information from FONT_INFO. CHAR2B is
1076 the two-byte form of C. Encoding is returned in *CHAR2B. */
1078 static int /* enum w32_char_font_type */
1079 w32_encode_char (c
, char2b
, font_info
, two_byte_p
)
1082 struct font_info
*font_info
;
1085 int charset
= CHAR_CHARSET (c
);
1088 int internal_two_byte_p
= 0;
1090 XFontStruct
*font
= font_info
->font
;
1092 internal_two_byte_p
= w32_font_is_double_byte (font
);
1094 /* FONT_INFO may define a scheme by which to encode byte1 and byte2.
1095 This may be either a program in a special encoder language or a
1097 if (font_info
->font_encoder
)
1099 /* It's a program. */
1100 struct ccl_program
*ccl
= font_info
->font_encoder
;
1102 if (CHARSET_DIMENSION (charset
) == 1)
1104 ccl
->reg
[0] = charset
;
1105 ccl
->reg
[1] = XCHAR2B_BYTE2 (char2b
);
1110 ccl
->reg
[0] = charset
;
1111 ccl
->reg
[1] = XCHAR2B_BYTE1 (char2b
);
1112 ccl
->reg
[2] = XCHAR2B_BYTE2 (char2b
);
1115 ccl_driver (ccl
, NULL
, NULL
, 0, 0, NULL
);
1117 /* We assume that MSBs are appropriately set/reset by CCL
1119 if (!internal_two_byte_p
) /* 1-byte font */
1120 STORE_XCHAR2B (char2b
, 0, ccl
->reg
[1]);
1122 STORE_XCHAR2B (char2b
, ccl
->reg
[1], ccl
->reg
[2]);
1124 else if (font_info
->encoding
[charset
])
1126 /* Fixed encoding scheme. See fontset.h for the meaning of the
1127 encoding numbers. */
1128 int enc
= font_info
->encoding
[charset
];
1130 if ((enc
== 1 || enc
== 2)
1131 && CHARSET_DIMENSION (charset
) == 2)
1132 STORE_XCHAR2B (char2b
, XCHAR2B_BYTE1 (char2b
) | 0x80, XCHAR2B_BYTE2 (char2b
));
1134 if (enc
== 1 || enc
== 3
1135 || (enc
== 4 && CHARSET_DIMENSION (charset
) == 1))
1136 STORE_XCHAR2B (char2b
, XCHAR2B_BYTE1 (char2b
), XCHAR2B_BYTE2 (char2b
) | 0x80);
1141 ENCODE_SJIS (XCHAR2B_BYTE1 (char2b
), XCHAR2B_BYTE2 (char2b
),
1143 STORE_XCHAR2B (char2b
, sjis1
, sjis2
);
1146 codepage
= font_info
->codepage
;
1148 /* If charset is not ASCII or Latin-1, may need to move it into
1150 if ( font
&& !font
->bdf
&& w32_use_unicode_for_codepage (codepage
)
1151 && charset
!= CHARSET_ASCII
&& charset
!= charset_latin_iso8859_1
1152 && charset
!= CHARSET_8_BIT_CONTROL
&& charset
!= CHARSET_8_BIT_GRAPHIC
)
1155 temp
[0] = XCHAR2B_BYTE1 (char2b
);
1156 temp
[1] = XCHAR2B_BYTE2 (char2b
);
1158 if (codepage
!= CP_UNICODE
)
1161 MultiByteToWideChar (codepage
, 0, temp
, 2, char2b
, 1);
1163 MultiByteToWideChar (codepage
, 0, temp
+1, 1, char2b
, 1);
1166 internal_two_byte_p
= 1;
1170 *two_byte_p
= internal_two_byte_p
;
1173 return UNKNOWN_FONT
;
1174 else if (font
->bdf
&& CHARSET_DIMENSION (charset
) == 1)
1179 return UNICODE_FONT
;
1186 /***********************************************************************
1188 ***********************************************************************/
1191 /* Encapsulate the different ways of displaying text under W32. */
1194 w32_text_out (s
, x
, y
,chars
,nchars
)
1195 struct glyph_string
* s
;
1200 int charset_dim
= w32_font_is_double_byte (s
->font
) ? 2 : 1;
1202 w32_BDF_TextOut (s
->font
->bdf
, s
->hdc
,
1203 x
, y
, (char *) chars
, charset_dim
,
1204 nchars
* charset_dim
, 0);
1205 else if (s
->first_glyph
->font_type
== UNICODE_FONT
)
1206 ExtTextOutW (s
->hdc
, x
, y
, 0, NULL
, chars
, nchars
, NULL
);
1208 ExtTextOutA (s
->hdc
, x
, y
, 0, NULL
, (char *) chars
,
1209 nchars
* charset_dim
, NULL
);
1214 static void x_set_glyph_string_clipping
P_ ((struct glyph_string
*));
1215 static void x_set_glyph_string_gc
P_ ((struct glyph_string
*));
1216 static void x_draw_glyph_string_background
P_ ((struct glyph_string
*,
1218 static void x_draw_glyph_string_foreground
P_ ((struct glyph_string
*));
1219 static void x_draw_composite_glyph_string_foreground
P_ ((struct glyph_string
*));
1220 static void x_draw_glyph_string_box
P_ ((struct glyph_string
*));
1221 static void x_draw_glyph_string
P_ ((struct glyph_string
*));
1222 static void x_set_cursor_gc
P_ ((struct glyph_string
*));
1223 static void x_set_mode_line_face_gc
P_ ((struct glyph_string
*));
1224 static void x_set_mouse_face_gc
P_ ((struct glyph_string
*));
1225 static int w32_alloc_lighter_color (struct frame
*, COLORREF
*, double, int);
1226 static void w32_setup_relief_color
P_ ((struct frame
*, struct relief
*,
1227 double, int, COLORREF
));
1228 static void x_setup_relief_colors
P_ ((struct glyph_string
*));
1229 static void x_draw_image_glyph_string
P_ ((struct glyph_string
*));
1230 static void x_draw_image_relief
P_ ((struct glyph_string
*));
1231 static void x_draw_image_foreground
P_ ((struct glyph_string
*));
1232 static void w32_draw_image_foreground_1
P_ ((struct glyph_string
*, HBITMAP
));
1233 static void x_clear_glyph_string_rect
P_ ((struct glyph_string
*, int,
1235 static void w32_draw_relief_rect
P_ ((struct frame
*, int, int, int, int,
1236 int, int, int, int, int, int,
1238 static void w32_draw_box_rect
P_ ((struct glyph_string
*, int, int, int, int,
1239 int, int, int, RECT
*));
1242 static void x_check_font
P_ ((struct frame
*, XFontStruct
*));
1246 /* Set S->gc to a suitable GC for drawing glyph string S in cursor
1251 struct glyph_string
*s
;
1253 if (s
->font
== FRAME_FONT (s
->f
)
1254 && s
->face
->background
== FRAME_BACKGROUND_PIXEL (s
->f
)
1255 && s
->face
->foreground
== FRAME_FOREGROUND_PIXEL (s
->f
)
1257 s
->gc
= s
->f
->output_data
.w32
->cursor_gc
;
1260 /* Cursor on non-default face: must merge. */
1264 xgcv
.background
= s
->f
->output_data
.w32
->cursor_pixel
;
1265 xgcv
.foreground
= s
->face
->background
;
1267 /* If the glyph would be invisible, try a different foreground. */
1268 if (xgcv
.foreground
== xgcv
.background
)
1269 xgcv
.foreground
= s
->face
->foreground
;
1270 if (xgcv
.foreground
== xgcv
.background
)
1271 xgcv
.foreground
= s
->f
->output_data
.w32
->cursor_foreground_pixel
;
1272 if (xgcv
.foreground
== xgcv
.background
)
1273 xgcv
.foreground
= s
->face
->foreground
;
1275 /* Make sure the cursor is distinct from text in this face. */
1276 if (xgcv
.background
== s
->face
->background
1277 && xgcv
.foreground
== s
->face
->foreground
)
1279 xgcv
.background
= s
->face
->foreground
;
1280 xgcv
.foreground
= s
->face
->background
;
1283 IF_DEBUG (x_check_font (s
->f
, s
->font
));
1284 xgcv
.font
= s
->font
;
1285 mask
= GCForeground
| GCBackground
| GCFont
;
1287 if (FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
)
1288 XChangeGC (NULL
, FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
,
1291 FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
1292 = XCreateGC (NULL
, s
->window
, mask
, &xgcv
);
1294 s
->gc
= FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
;
1299 /* Set up S->gc of glyph string S for drawing text in mouse face. */
1302 x_set_mouse_face_gc (s
)
1303 struct glyph_string
*s
;
1308 /* What face has to be used last for the mouse face? */
1309 face_id
= FRAME_W32_DISPLAY_INFO (s
->f
)->mouse_face_face_id
;
1310 face
= FACE_FROM_ID (s
->f
, face_id
);
1312 face
= FACE_FROM_ID (s
->f
, MOUSE_FACE_ID
);
1314 if (s
->first_glyph
->type
== CHAR_GLYPH
)
1315 face_id
= FACE_FOR_CHAR (s
->f
, face
, s
->first_glyph
->u
.ch
);
1317 face_id
= FACE_FOR_CHAR (s
->f
, face
, 0);
1318 s
->face
= FACE_FROM_ID (s
->f
, face_id
);
1319 PREPARE_FACE_FOR_DISPLAY (s
->f
, s
->face
);
1321 /* If font in this face is same as S->font, use it. */
1322 if (s
->font
== s
->face
->font
)
1323 s
->gc
= s
->face
->gc
;
1326 /* Otherwise construct scratch_cursor_gc with values from FACE
1331 xgcv
.background
= s
->face
->background
;
1332 xgcv
.foreground
= s
->face
->foreground
;
1333 IF_DEBUG (x_check_font (s
->f
, s
->font
));
1334 xgcv
.font
= s
->font
;
1335 mask
= GCForeground
| GCBackground
| GCFont
;
1337 if (FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
)
1338 XChangeGC (NULL
, FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
,
1341 FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
1342 = XCreateGC (NULL
, s
->window
, mask
, &xgcv
);
1344 s
->gc
= FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
;
1347 xassert (s
->gc
!= 0);
1351 /* Set S->gc of glyph string S to a GC suitable for drawing a mode line.
1352 Faces to use in the mode line have already been computed when the
1353 matrix was built, so there isn't much to do, here. */
1356 x_set_mode_line_face_gc (s
)
1357 struct glyph_string
*s
;
1359 s
->gc
= s
->face
->gc
;
1363 /* Set S->gc of glyph string S for drawing that glyph string. Set
1364 S->stippled_p to a non-zero value if the face of S has a stipple
1368 x_set_glyph_string_gc (s
)
1369 struct glyph_string
*s
;
1371 PREPARE_FACE_FOR_DISPLAY (s
->f
, s
->face
);
1373 if (s
->hl
== DRAW_NORMAL_TEXT
)
1375 s
->gc
= s
->face
->gc
;
1376 s
->stippled_p
= s
->face
->stipple
!= 0;
1378 else if (s
->hl
== DRAW_INVERSE_VIDEO
)
1380 x_set_mode_line_face_gc (s
);
1381 s
->stippled_p
= s
->face
->stipple
!= 0;
1383 else if (s
->hl
== DRAW_CURSOR
)
1385 x_set_cursor_gc (s
);
1388 else if (s
->hl
== DRAW_MOUSE_FACE
)
1390 x_set_mouse_face_gc (s
);
1391 s
->stippled_p
= s
->face
->stipple
!= 0;
1393 else if (s
->hl
== DRAW_IMAGE_RAISED
1394 || s
->hl
== DRAW_IMAGE_SUNKEN
)
1396 s
->gc
= s
->face
->gc
;
1397 s
->stippled_p
= s
->face
->stipple
!= 0;
1401 s
->gc
= s
->face
->gc
;
1402 s
->stippled_p
= s
->face
->stipple
!= 0;
1405 /* GC must have been set. */
1406 xassert (s
->gc
!= 0);
1410 /* Set clipping for output of glyph string S. S may be part of a mode
1411 line or menu if we don't have X toolkit support. */
1414 x_set_glyph_string_clipping (s
)
1415 struct glyph_string
*s
;
1418 get_glyph_string_clip_rect (s
, &r
);
1419 w32_set_clip_rectangle (s
->hdc
, &r
);
1424 Compute left and right overhang of glyph string S. If S is a glyph
1425 string for a composition, assume overhangs don't exist. */
1428 w32_compute_glyph_string_overhangs (s
)
1429 struct glyph_string
*s
;
1431 /* TODO: Windows does not appear to have a method for
1432 getting this info without getting the ABC widths for each
1433 individual character and working it out manually. */
1438 w32_get_glyph_overhangs (glyph
, f
, left
, right
)
1439 struct glyph
*glyph
;
1443 HDC hdc
= get_frame_dc (f
);
1444 /* Convert to unicode! */
1445 x_get_glyph_overhangs (glyph
, f
, left
, right
);
1446 release_frame_dc (f
, hdc
);
1450 /* Fill rectangle X, Y, W, H with background color of glyph string S. */
1453 x_clear_glyph_string_rect (s
, x
, y
, w
, h
)
1454 struct glyph_string
*s
;
1462 /* Take clipping into account. */
1463 if (s
->gc
->clip_mask
== Rect
)
1465 real_x
= max (real_x
, s
->gc
->clip_rectangle
.left
);
1466 real_y
= max (real_y
, s
->gc
->clip_rectangle
.top
);
1467 real_w
= min (real_w
, s
->gc
->clip_rectangle
.right
1468 - s
->gc
->clip_rectangle
.left
);
1469 real_h
= min (real_h
, s
->gc
->clip_rectangle
.bottom
1470 - s
->gc
->clip_rectangle
.top
);
1473 w32_fill_area (s
->f
, s
->hdc
, s
->gc
->background
, real_x
, real_y
,
1478 /* Draw the background of glyph_string S. If S->background_filled_p
1479 is non-zero don't draw it. FORCE_P non-zero means draw the
1480 background even if it wouldn't be drawn normally. This is used
1481 when a string preceding S draws into the background of S, or S
1482 contains the first component of a composition. */
1485 x_draw_glyph_string_background (s
, force_p
)
1486 struct glyph_string
*s
;
1489 /* Nothing to do if background has already been drawn or if it
1490 shouldn't be drawn in the first place. */
1491 if (!s
->background_filled_p
)
1493 int box_line_width
= max (s
->face
->box_line_width
, 0);
1495 #if 0 /* TODO: stipple */
1498 /* Fill background with a stipple pattern. */
1499 XSetFillStyle (s
->display
, s
->gc
, FillOpaqueStippled
);
1500 XFillRectangle (s
->display
, s
->window
, s
->gc
, s
->x
,
1501 s
->y
+ box_line_width
,
1502 s
->background_width
,
1503 s
->height
- 2 * box_line_width
);
1504 XSetFillStyle (s
->display
, s
->gc
, FillSolid
);
1505 s
->background_filled_p
= 1;
1509 if (FONT_HEIGHT (s
->font
) < s
->height
- 2 * box_line_width
1510 || s
->font_not_found_p
1511 || s
->extends_to_end_of_line_p
1515 x_clear_glyph_string_rect (s
, s
->x
, s
->y
+ box_line_width
,
1516 s
->background_width
,
1517 s
->height
- 2 * box_line_width
);
1518 s
->background_filled_p
= 1;
1524 /* Draw the foreground of glyph string S. */
1527 x_draw_glyph_string_foreground (s
)
1528 struct glyph_string
*s
;
1533 /* If first glyph of S has a left box line, start drawing the text
1534 of S to the right of that box line. */
1535 if (s
->face
->box
!= FACE_NO_BOX
1536 && s
->first_glyph
->left_box_line_p
)
1537 x
= s
->x
+ abs (s
->face
->box_line_width
);
1541 if (s
->for_overlaps_p
|| (s
->background_filled_p
&& s
->hl
!= DRAW_CURSOR
))
1542 SetBkMode (s
->hdc
, TRANSPARENT
);
1544 SetBkMode (s
->hdc
, OPAQUE
);
1546 SetTextColor (s
->hdc
, s
->gc
->foreground
);
1547 SetBkColor (s
->hdc
, s
->gc
->background
);
1548 SetTextAlign (s
->hdc
, TA_BASELINE
| TA_LEFT
);
1550 if (s
->font
&& s
->font
->hfont
)
1551 old_font
= SelectObject (s
->hdc
, s
->font
->hfont
);
1553 /* Draw characters of S as rectangles if S's font could not be
1555 if (s
->font_not_found_p
)
1557 for (i
= 0; i
< s
->nchars
; ++i
)
1559 struct glyph
*g
= s
->first_glyph
+ i
;
1561 w32_draw_rectangle (s
->hdc
, s
->gc
, x
, s
->y
, g
->pixel_width
- 1,
1563 x
+= g
->pixel_width
;
1568 char *char1b
= (char *) s
->char2b
;
1569 int boff
= s
->font_info
->baseline_offset
;
1571 if (s
->font_info
->vertical_centering
)
1572 boff
= VCENTER_BASELINE_OFFSET (s
->font
, s
->f
) - boff
;
1574 /* If we can use 8-bit functions, condense S->char2b. */
1576 for (i
= 0; i
< s
->nchars
; ++i
)
1577 char1b
[i
] = XCHAR2B_BYTE2 (&s
->char2b
[i
]);
1579 /* Draw text with TextOut and friends. */
1580 w32_text_out (s
, x
, s
->ybase
- boff
, s
->char2b
, s
->nchars
);
1582 if (s
->face
->overstrike
)
1584 /* For overstriking (to simulate bold-face), draw the
1585 characters again shifted to the right by one pixel. */
1586 w32_text_out (s
, x
+ 1, s
->ybase
- boff
, s
->char2b
, s
->nchars
);
1589 if (s
->font
&& s
->font
->hfont
)
1590 SelectObject (s
->hdc
, old_font
);
1593 /* Draw the foreground of composite glyph string S. */
1596 x_draw_composite_glyph_string_foreground (s
)
1597 struct glyph_string
*s
;
1602 /* If first glyph of S has a left box line, start drawing the text
1603 of S to the right of that box line. */
1604 if (s
->face
->box
!= FACE_NO_BOX
1605 && s
->first_glyph
->left_box_line_p
)
1606 x
= s
->x
+ abs (s
->face
->box_line_width
);
1610 /* S is a glyph string for a composition. S->gidx is the index of
1611 the first character drawn for glyphs of this composition.
1612 S->gidx == 0 means we are drawing the very first character of
1613 this composition. */
1615 SetTextColor (s
->hdc
, s
->gc
->foreground
);
1616 SetBkColor (s
->hdc
, s
->gc
->background
);
1617 SetBkMode (s
->hdc
, TRANSPARENT
);
1618 SetTextAlign (s
->hdc
, TA_BASELINE
| TA_LEFT
);
1620 if (s
->font
&& s
->font
->hfont
)
1621 old_font
= SelectObject (s
->hdc
, s
->font
->hfont
);
1623 /* Draw a rectangle for the composition if the font for the very
1624 first character of the composition could not be loaded. */
1625 if (s
->font_not_found_p
)
1628 w32_draw_rectangle (s
->hdc
, s
->gc
, x
, s
->y
, s
->width
- 1,
1633 for (i
= 0; i
< s
->nchars
; i
++, ++s
->gidx
)
1635 w32_text_out (s
, x
+ s
->cmp
->offsets
[s
->gidx
* 2],
1636 s
->ybase
- s
->cmp
->offsets
[s
->gidx
* 2 + 1],
1638 if (s
->face
->overstrike
)
1639 w32_text_out (s
, x
+ s
->cmp
->offsets
[s
->gidx
* 2] + 1,
1640 s
->ybase
- s
->cmp
->offsets
[s
->gidx
* 2 + 1],
1645 if (s
->font
&& s
->font
->hfont
)
1646 SelectObject (s
->hdc
, old_font
);
1650 /* Brightness beyond which a color won't have its highlight brightness
1653 Nominally, highlight colors for `3d' faces are calculated by
1654 brightening an object's color by a constant scale factor, but this
1655 doesn't yield good results for dark colors, so for colors who's
1656 brightness is less than this value (on a scale of 0-255) have to
1657 use an additional additive factor.
1659 The value here is set so that the default menu-bar/mode-line color
1660 (grey75) will not have its highlights changed at all. */
1661 #define HIGHLIGHT_COLOR_DARK_BOOST_LIMIT 187
1664 /* Allocate a color which is lighter or darker than *COLOR by FACTOR
1665 or DELTA. Try a color with RGB values multiplied by FACTOR first.
1666 If this produces the same color as COLOR, try a color where all RGB
1667 values have DELTA added. Return the allocated color in *COLOR.
1668 DISPLAY is the X display, CMAP is the colormap to operate on.
1669 Value is non-zero if successful. */
1672 w32_alloc_lighter_color (f
, color
, factor
, delta
)
1681 /* On Windows, RGB values are 0-255, not 0-65535, so scale delta. */
1684 /* Change RGB values by specified FACTOR. Avoid overflow! */
1685 xassert (factor
>= 0);
1686 new = PALETTERGB (min (0xff, factor
* GetRValue (*color
)),
1687 min (0xff, factor
* GetGValue (*color
)),
1688 min (0xff, factor
* GetBValue (*color
)));
1690 /* Calculate brightness of COLOR. */
1691 bright
= (2 * GetRValue (*color
) + 3 * GetGValue (*color
)
1692 + GetBValue (*color
)) / 6;
1694 /* We only boost colors that are darker than
1695 HIGHLIGHT_COLOR_DARK_BOOST_LIMIT. */
1696 if (bright
< HIGHLIGHT_COLOR_DARK_BOOST_LIMIT
)
1697 /* Make an additive adjustment to NEW, because it's dark enough so
1698 that scaling by FACTOR alone isn't enough. */
1700 /* How far below the limit this color is (0 - 1, 1 being darker). */
1701 double dimness
= 1 - (double)bright
/ HIGHLIGHT_COLOR_DARK_BOOST_LIMIT
;
1702 /* The additive adjustment. */
1703 int min_delta
= delta
* dimness
* factor
/ 2;
1706 new = PALETTERGB (max (0, min (0xff, min_delta
- GetRValue (*color
))),
1707 max (0, min (0xff, min_delta
- GetGValue (*color
))),
1708 max (0, min (0xff, min_delta
- GetBValue (*color
))));
1710 new = PALETTERGB (max (0, min (0xff, min_delta
+ GetRValue (*color
))),
1711 max (0, min (0xff, min_delta
+ GetGValue (*color
))),
1712 max (0, min (0xff, min_delta
+ GetBValue (*color
))));
1716 new = PALETTERGB (max (0, min (0xff, delta
+ GetRValue (*color
))),
1717 max (0, min (0xff, delta
+ GetGValue (*color
))),
1718 max (0, min (0xff, delta
+ GetBValue (*color
))));
1720 /* TODO: Map to palette and retry with delta if same? */
1721 /* TODO: Free colors (if using palette)? */
1732 /* Set up the foreground color for drawing relief lines of glyph
1733 string S. RELIEF is a pointer to a struct relief containing the GC
1734 with which lines will be drawn. Use a color that is FACTOR or
1735 DELTA lighter or darker than the relief's background which is found
1736 in S->f->output_data.x->relief_background. If such a color cannot
1737 be allocated, use DEFAULT_PIXEL, instead. */
1740 w32_setup_relief_color (f
, relief
, factor
, delta
, default_pixel
)
1742 struct relief
*relief
;
1745 COLORREF default_pixel
;
1748 struct w32_output
*di
= f
->output_data
.w32
;
1749 unsigned long mask
= GCForeground
;
1751 COLORREF background
= di
->relief_background
;
1752 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
1754 /* TODO: Free colors (if using palette)? */
1756 /* Allocate new color. */
1757 xgcv
.foreground
= default_pixel
;
1759 if (w32_alloc_lighter_color (f
, &pixel
, factor
, delta
))
1761 relief
->allocated_p
= 1;
1762 xgcv
.foreground
= relief
->pixel
= pixel
;
1765 if (relief
->gc
== 0)
1767 #if 0 /* TODO: stipple */
1768 xgcv
.stipple
= dpyinfo
->gray
;
1771 relief
->gc
= XCreateGC (NULL
, FRAME_W32_WINDOW (f
), mask
, &xgcv
);
1774 XChangeGC (NULL
, relief
->gc
, mask
, &xgcv
);
1778 /* Set up colors for the relief lines around glyph string S. */
1781 x_setup_relief_colors (s
)
1782 struct glyph_string
*s
;
1784 struct w32_output
*di
= s
->f
->output_data
.w32
;
1787 if (s
->face
->use_box_color_for_shadows_p
)
1788 color
= s
->face
->box_color
;
1789 else if (s
->first_glyph
->type
== IMAGE_GLYPH
1791 && !IMAGE_BACKGROUND_TRANSPARENT (s
->img
, s
->f
, 0))
1792 color
= IMAGE_BACKGROUND (s
->img
, s
->f
, 0);
1794 color
= s
->gc
->background
;
1796 if (di
->white_relief
.gc
== 0
1797 || color
!= di
->relief_background
)
1799 di
->relief_background
= color
;
1800 w32_setup_relief_color (s
->f
, &di
->white_relief
, 1.2, 0x8000,
1801 WHITE_PIX_DEFAULT (s
->f
));
1802 w32_setup_relief_color (s
->f
, &di
->black_relief
, 0.6, 0x4000,
1803 BLACK_PIX_DEFAULT (s
->f
));
1808 /* Draw a relief on frame F inside the rectangle given by LEFT_X,
1809 TOP_Y, RIGHT_X, and BOTTOM_Y. WIDTH is the thickness of the relief
1810 to draw, it must be >= 0. RAISED_P non-zero means draw a raised
1811 relief. LEFT_P non-zero means draw a relief on the left side of
1812 the rectangle. RIGHT_P non-zero means draw a relief on the right
1813 side of the rectangle. CLIP_RECT is the clipping rectangle to use
1817 w32_draw_relief_rect (f
, left_x
, top_y
, right_x
, bottom_y
, width
,
1818 raised_p
, top_p
, bot_p
, left_p
, right_p
, clip_rect
)
1820 int left_x
, top_y
, right_x
, bottom_y
, width
;
1821 int top_p
, bot_p
, left_p
, right_p
, raised_p
;
1826 HDC hdc
= get_frame_dc (f
);
1829 gc
.foreground
= f
->output_data
.w32
->white_relief
.gc
->foreground
;
1831 gc
.foreground
= f
->output_data
.w32
->black_relief
.gc
->foreground
;
1833 w32_set_clip_rectangle (hdc
, clip_rect
);
1837 for (i
= 0; i
< width
; ++i
)
1838 w32_fill_area (f
, hdc
, gc
.foreground
,
1839 left_x
+ i
* left_p
, top_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 left_x
+ i
, top_y
+ i
, 1,
1847 bottom_y
- top_y
- 2 * i
+ 1);
1850 gc
.foreground
= f
->output_data
.w32
->black_relief
.gc
->foreground
;
1852 gc
.foreground
= f
->output_data
.w32
->white_relief
.gc
->foreground
;
1856 for (i
= 0; i
< width
; ++i
)
1857 w32_fill_area (f
, hdc
, gc
.foreground
,
1858 left_x
+ i
* left_p
, bottom_y
- i
,
1859 right_x
- left_x
- i
* (left_p
+ right_p
) + 1, 1);
1863 for (i
= 0; i
< width
; ++i
)
1864 w32_fill_area (f
, hdc
, gc
.foreground
,
1865 right_x
- i
, top_y
+ i
+ 1, 1,
1866 bottom_y
- top_y
- 2 * i
- 1);
1868 w32_set_clip_rectangle (hdc
, NULL
);
1870 release_frame_dc (f
, hdc
);
1874 /* Draw a box on frame F inside the rectangle given by LEFT_X, TOP_Y,
1875 RIGHT_X, and BOTTOM_Y. WIDTH is the thickness of the lines to
1876 draw, it must be >= 0. LEFT_P non-zero means draw a line on the
1877 left side of the rectangle. RIGHT_P non-zero means draw a line
1878 on the right side of the rectangle. CLIP_RECT is the clipping
1879 rectangle to use when drawing. */
1882 w32_draw_box_rect (s
, left_x
, top_y
, right_x
, bottom_y
, width
,
1883 left_p
, right_p
, clip_rect
)
1884 struct glyph_string
*s
;
1885 int left_x
, top_y
, right_x
, bottom_y
, width
, left_p
, right_p
;
1888 w32_set_clip_rectangle (s
->hdc
, clip_rect
);
1891 w32_fill_area (s
->f
, s
->hdc
, s
->face
->box_color
,
1892 left_x
, top_y
, right_x
- left_x
+ 1, width
);
1897 w32_fill_area (s
->f
, s
->hdc
, s
->face
->box_color
,
1898 left_x
, top_y
, width
, bottom_y
- top_y
+ 1);
1902 w32_fill_area (s
->f
, s
->hdc
, s
->face
->box_color
,
1903 left_x
, bottom_y
- width
+ 1, right_x
- left_x
+ 1, width
);
1908 w32_fill_area (s
->f
, s
->hdc
, s
->face
->box_color
,
1909 right_x
- width
+ 1, top_y
, width
, bottom_y
- top_y
+ 1);
1912 w32_set_clip_rectangle (s
->hdc
, NULL
);
1916 /* Draw a box around glyph string S. */
1919 x_draw_glyph_string_box (s
)
1920 struct glyph_string
*s
;
1922 int width
, left_x
, right_x
, top_y
, bottom_y
, last_x
, raised_p
;
1923 int left_p
, right_p
;
1924 struct glyph
*last_glyph
;
1927 last_x
= window_box_right (s
->w
, s
->area
);
1928 if (s
->row
->full_width_p
1929 && !s
->w
->pseudo_window_p
)
1931 last_x
+= WINDOW_RIGHT_SCROLL_BAR_AREA_WIDTH (s
->w
);
1932 if (s
->area
!= RIGHT_MARGIN_AREA
1933 || WINDOW_HAS_FRINGES_OUTSIDE_MARGINS (s
->w
))
1934 last_x
+= WINDOW_RIGHT_FRINGE_WIDTH (s
->w
);
1937 /* The glyph that may have a right box line. */
1938 last_glyph
= (s
->cmp
|| s
->img
1940 : s
->first_glyph
+ s
->nchars
- 1);
1942 width
= abs (s
->face
->box_line_width
);
1943 raised_p
= s
->face
->box
== FACE_RAISED_BOX
;
1945 right_x
= ((s
->row
->full_width_p
&& s
->extends_to_end_of_line_p
1947 : min (last_x
, s
->x
+ s
->background_width
) - 1));
1949 bottom_y
= top_y
+ s
->height
- 1;
1951 left_p
= (s
->first_glyph
->left_box_line_p
1952 || (s
->hl
== DRAW_MOUSE_FACE
1954 || s
->prev
->hl
!= s
->hl
)));
1955 right_p
= (last_glyph
->right_box_line_p
1956 || (s
->hl
== DRAW_MOUSE_FACE
1958 || s
->next
->hl
!= s
->hl
)));
1960 get_glyph_string_clip_rect (s
, &clip_rect
);
1962 if (s
->face
->box
== FACE_SIMPLE_BOX
)
1963 w32_draw_box_rect (s
, left_x
, top_y
, right_x
, bottom_y
, width
,
1964 left_p
, right_p
, &clip_rect
);
1967 x_setup_relief_colors (s
);
1968 w32_draw_relief_rect (s
->f
, left_x
, top_y
, right_x
, bottom_y
,
1969 width
, raised_p
, 1, 1, left_p
, right_p
, &clip_rect
);
1974 /* Draw foreground of image glyph string S. */
1977 x_draw_image_foreground (s
)
1978 struct glyph_string
*s
;
1981 int y
= s
->ybase
- image_ascent (s
->img
, s
->face
, &s
->slice
);
1983 /* If first glyph of S has a left box line, start drawing it to the
1984 right of that line. */
1985 if (s
->face
->box
!= FACE_NO_BOX
1986 && s
->first_glyph
->left_box_line_p
1988 x
+= abs (s
->face
->box_line_width
);
1990 /* If there is a margin around the image, adjust x- and y-position
1992 if (s
->slice
.x
== 0)
1993 x
+= s
->img
->hmargin
;
1994 if (s
->slice
.y
== 0)
1995 y
+= s
->img
->vmargin
;
2001 HDC compat_hdc
= CreateCompatibleDC (s
->hdc
);
2002 HBRUSH fg_brush
= CreateSolidBrush (s
->gc
->foreground
);
2003 HBRUSH orig_brush
= SelectObject (s
->hdc
, fg_brush
);
2004 HGDIOBJ orig_obj
= SelectObject (compat_hdc
, s
->img
->pixmap
);
2005 SetBkColor (compat_hdc
, RGB (255, 255, 255));
2006 SetTextColor (s
->hdc
, RGB (0, 0, 0));
2007 x_set_glyph_string_clipping (s
);
2011 HDC mask_dc
= CreateCompatibleDC (s
->hdc
);
2012 HGDIOBJ mask_orig_obj
= SelectObject (mask_dc
, s
->img
->mask
);
2014 SetTextColor (s
->hdc
, RGB (255, 255, 255));
2015 SetBkColor (s
->hdc
, RGB (0, 0, 0));
2017 BitBlt (s
->hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
2018 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCINVERT
);
2019 BitBlt (s
->hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
2020 mask_dc
, s
->slice
.x
, s
->slice
.y
, SRCAND
);
2021 BitBlt (s
->hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
2022 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCINVERT
);
2024 SelectObject (mask_dc
, mask_orig_obj
);
2029 SetTextColor (s
->hdc
, s
->gc
->foreground
);
2030 SetBkColor (s
->hdc
, s
->gc
->background
);
2032 BitBlt (s
->hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
2033 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCCOPY
);
2035 /* When the image has a mask, we can expect that at
2036 least part of a mouse highlight or a block cursor will
2037 be visible. If the image doesn't have a mask, make
2038 a block cursor visible by drawing a rectangle around
2039 the image. I believe it's looking better if we do
2040 nothing here for mouse-face. */
2041 if (s
->hl
== DRAW_CURSOR
)
2043 int r
= s
->img
->relief
;
2045 w32_draw_rectangle (s
->hdc
, s
->gc
, x
- r
, y
- r
,
2046 s
->slice
.width
+ r
*2 - 1,
2047 s
->slice
.height
+ r
*2 - 1);
2051 w32_set_clip_rectangle (s
->hdc
, NULL
);
2052 SelectObject (s
->hdc
, orig_brush
);
2053 DeleteObject (fg_brush
);
2054 SelectObject (compat_hdc
, orig_obj
);
2055 DeleteDC (compat_hdc
);
2058 w32_draw_rectangle (s
->hdc
, s
->gc
, x
, y
,
2059 s
->slice
.width
- 1, s
->slice
.height
- 1);
2061 RestoreDC (s
->hdc
,-1);
2066 /* Draw a relief around the image glyph string S. */
2069 x_draw_image_relief (s
)
2070 struct glyph_string
*s
;
2072 int x0
, y0
, x1
, y1
, thick
, raised_p
;
2075 int y
= s
->ybase
- image_ascent (s
->img
, s
->face
, &s
->slice
);
2077 /* If first glyph of S has a left box line, start drawing it to the
2078 right of that line. */
2079 if (s
->face
->box
!= FACE_NO_BOX
2080 && s
->first_glyph
->left_box_line_p
2082 x
+= abs (s
->face
->box_line_width
);
2084 /* If there is a margin around the image, adjust x- and y-position
2086 if (s
->slice
.x
== 0)
2087 x
+= s
->img
->hmargin
;
2088 if (s
->slice
.y
== 0)
2089 y
+= s
->img
->vmargin
;
2091 if (s
->hl
== DRAW_IMAGE_SUNKEN
2092 || s
->hl
== DRAW_IMAGE_RAISED
)
2094 thick
= tool_bar_button_relief
>= 0 ? tool_bar_button_relief
: DEFAULT_TOOL_BAR_BUTTON_RELIEF
;
2095 raised_p
= s
->hl
== DRAW_IMAGE_RAISED
;
2099 thick
= abs (s
->img
->relief
);
2100 raised_p
= s
->img
->relief
> 0;
2105 x1
= x
+ s
->slice
.width
+ thick
- 1;
2106 y1
= y
+ s
->slice
.height
+ thick
- 1;
2108 x_setup_relief_colors (s
);
2109 get_glyph_string_clip_rect (s
, &r
);
2110 w32_draw_relief_rect (s
->f
, x0
, y0
, x1
, y1
, thick
, raised_p
,
2112 s
->slice
.y
+ s
->slice
.height
== s
->img
->height
,
2114 s
->slice
.x
+ s
->slice
.width
== s
->img
->width
,
2119 /* Draw the foreground of image glyph string S to PIXMAP. */
2122 w32_draw_image_foreground_1 (s
, pixmap
)
2123 struct glyph_string
*s
;
2126 HDC hdc
= CreateCompatibleDC (s
->hdc
);
2127 HGDIOBJ orig_hdc_obj
= SelectObject (hdc
, pixmap
);
2129 int y
= s
->ybase
- s
->y
- image_ascent (s
->img
, s
->face
, &s
->slice
);
2131 /* If first glyph of S has a left box line, start drawing it to the
2132 right of that line. */
2133 if (s
->face
->box
!= FACE_NO_BOX
2134 && s
->first_glyph
->left_box_line_p
2136 x
+= abs (s
->face
->box_line_width
);
2138 /* If there is a margin around the image, adjust x- and y-position
2140 if (s
->slice
.x
== 0)
2141 x
+= s
->img
->hmargin
;
2142 if (s
->slice
.y
== 0)
2143 y
+= s
->img
->vmargin
;
2147 HDC compat_hdc
= CreateCompatibleDC (hdc
);
2148 HBRUSH fg_brush
= CreateSolidBrush (s
->gc
->foreground
);
2149 HBRUSH orig_brush
= SelectObject (hdc
, fg_brush
);
2150 HGDIOBJ orig_obj
= SelectObject (compat_hdc
, s
->img
->pixmap
);
2154 HDC mask_dc
= CreateCompatibleDC (hdc
);
2155 HGDIOBJ mask_orig_obj
= SelectObject (mask_dc
, s
->img
->mask
);
2157 SetTextColor (hdc
, RGB (0, 0, 0));
2158 SetBkColor (hdc
, RGB (255, 255, 255));
2159 BitBlt (hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
2160 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCINVERT
);
2161 BitBlt (hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
2162 mask_dc
, s
->slice
.x
, s
->slice
.y
, SRCAND
);
2163 BitBlt (hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
2164 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCINVERT
);
2166 SelectObject (mask_dc
, mask_orig_obj
);
2171 SetTextColor (hdc
, s
->gc
->foreground
);
2172 SetBkColor (hdc
, s
->gc
->background
);
2174 BitBlt (hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
2175 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCCOPY
);
2177 /* When the image has a mask, we can expect that at
2178 least part of a mouse highlight or a block cursor will
2179 be visible. If the image doesn't have a mask, make
2180 a block cursor visible by drawing a rectangle around
2181 the image. I believe it's looking better if we do
2182 nothing here for mouse-face. */
2183 if (s
->hl
== DRAW_CURSOR
)
2185 int r
= s
->img
->relief
;
2187 w32_draw_rectangle (hdc
, s
->gc
, x
- r
, y
- r
,
2188 s
->slice
.width
+ r
*2 - 1,
2189 s
->slice
.height
+ r
*2 - 1);
2193 SelectObject (hdc
, orig_brush
);
2194 DeleteObject (fg_brush
);
2195 SelectObject (compat_hdc
, orig_obj
);
2196 DeleteDC (compat_hdc
);
2199 w32_draw_rectangle (hdc
, s
->gc
, x
, y
,
2200 s
->slice
.width
- 1, s
->slice
.height
- 1);
2202 SelectObject (hdc
, orig_hdc_obj
);
2207 /* Draw part of the background of glyph string S. X, Y, W, and H
2208 give the rectangle to draw. */
2211 x_draw_glyph_string_bg_rect (s
, x
, y
, w
, h
)
2212 struct glyph_string
*s
;
2215 #if 0 /* TODO: stipple */
2218 /* Fill background with a stipple pattern. */
2219 XSetFillStyle (s
->display
, s
->gc
, FillOpaqueStippled
);
2220 XFillRectangle (s
->display
, s
->window
, s
->gc
, x
, y
, w
, h
);
2221 XSetFillStyle (s
->display
, s
->gc
, FillSolid
);
2225 x_clear_glyph_string_rect (s
, x
, y
, w
, h
);
2229 /* Draw image glyph string S.
2232 s->x +-------------------------
2235 | +-------------------------
2238 | | +-------------------
2244 x_draw_image_glyph_string (s
)
2245 struct glyph_string
*s
;
2248 int box_line_hwidth
= abs (s
->face
->box_line_width
);
2249 int box_line_vwidth
= max (s
->face
->box_line_width
, 0);
2253 height
= s
->height
- 2 * box_line_vwidth
;
2255 /* Fill background with face under the image. Do it only if row is
2256 taller than image or if image has a clip mask to reduce
2258 s
->stippled_p
= s
->face
->stipple
!= 0;
2259 if (height
> s
->slice
.height
2263 || s
->img
->pixmap
== 0
2264 || s
->width
!= s
->background_width
)
2267 if (s
->first_glyph
->left_box_line_p
2269 x
+= box_line_hwidth
;
2272 if (s
->slice
.y
== 0)
2273 y
+= box_line_vwidth
;
2275 #if 0 /* TODO: figure out if we need to do this on Windows. */
2278 /* Create a pixmap as large as the glyph string. Fill it
2279 with the background color. Copy the image to it, using
2280 its mask. Copy the temporary pixmap to the display. */
2281 Screen
*screen
= FRAME_X_SCREEN (s
->f
);
2282 int depth
= DefaultDepthOfScreen (screen
);
2284 /* Create a pixmap as large as the glyph string. */
2285 pixmap
= XCreatePixmap (s
->display
, s
->window
,
2286 s
->background_width
,
2289 /* Don't clip in the following because we're working on the
2291 XSetClipMask (s
->display
, s
->gc
, None
);
2293 /* Fill the pixmap with the background color/stipple. */
2296 /* Fill background with a stipple pattern. */
2297 XSetFillStyle (s
->display
, s
->gc
, FillOpaqueStippled
);
2298 XFillRectangle (s
->display
, pixmap
, s
->gc
,
2299 0, 0, s
->background_width
, s
->height
);
2300 XSetFillStyle (s
->display
, s
->gc
, FillSolid
);
2305 XGetGCValues (s
->display
, s
->gc
, GCForeground
| GCBackground
,
2307 XSetForeground (s
->display
, s
->gc
, xgcv
.background
);
2308 XFillRectangle (s
->display
, pixmap
, s
->gc
,
2309 0, 0, s
->background_width
, s
->height
);
2310 XSetForeground (s
->display
, s
->gc
, xgcv
.foreground
);
2315 x_draw_glyph_string_bg_rect (s
, x
, y
, s
->background_width
, height
);
2317 s
->background_filled_p
= 1;
2320 /* Draw the foreground. */
2323 w32_draw_image_foreground_1 (s
, pixmap
);
2324 x_set_glyph_string_clipping (s
);
2326 HDC compat_hdc
= CreateCompatibleDC (s
->hdc
);
2327 HBRUSH fg_brush
= CreateSolidBrush (s
->gc
->foreground
);
2328 HBRUSH orig_brush
= SelectObject (s
->hdc
, fg_brush
);
2329 HGDIOBJ orig_obj
= SelectObject (compat_hdc
, pixmap
);
2331 SetTextColor (s
->hdc
, s
->gc
->foreground
);
2332 SetBkColor (s
->hdc
, s
->gc
->background
);
2333 BitBlt (s
->hdc
, s
->x
, s
->y
, s
->background_width
, s
->height
,
2334 compat_hdc
, 0, 0, SRCCOPY
);
2336 SelectObject (s
->hdc
, orig_brush
);
2337 DeleteObject (fg_brush
);
2338 SelectObject (compat_hdc
, orig_obj
);
2339 DeleteDC (compat_hdc
);
2341 DeleteObject (pixmap
);
2345 x_draw_image_foreground (s
);
2347 /* If we must draw a relief around the image, do it. */
2349 || s
->hl
== DRAW_IMAGE_RAISED
2350 || s
->hl
== DRAW_IMAGE_SUNKEN
)
2351 x_draw_image_relief (s
);
2355 /* Draw stretch glyph string S. */
2358 x_draw_stretch_glyph_string (s
)
2359 struct glyph_string
*s
;
2361 xassert (s
->first_glyph
->type
== STRETCH_GLYPH
);
2362 s
->stippled_p
= s
->face
->stipple
!= 0;
2364 if (s
->hl
== DRAW_CURSOR
2365 && !x_stretch_cursor_p
)
2367 /* If `x-stretch-block-cursor' is nil, don't draw a block cursor
2368 as wide as the stretch glyph. */
2369 int width
= min (FRAME_COLUMN_WIDTH (s
->f
), s
->background_width
);
2372 x_draw_glyph_string_bg_rect (s
, s
->x
, s
->y
, width
, s
->height
);
2374 /* Clear rest using the GC of the original non-cursor face. */
2375 if (width
< s
->background_width
)
2377 XGCValues
*gc
= s
->face
->gc
;
2378 int x
= s
->x
+ width
, y
= s
->y
;
2379 int w
= s
->background_width
- width
, h
= s
->height
;
2383 if (s
->row
->mouse_face_p
2384 && cursor_in_mouse_face_p (s
->w
))
2386 x_set_mouse_face_gc (s
);
2392 get_glyph_string_clip_rect (s
, &r
);
2393 w32_set_clip_rectangle (hdc
, &r
);
2395 #if 0 /* TODO: stipple */
2396 if (s
->face
->stipple
)
2398 /* Fill background with a stipple pattern. */
2399 XSetFillStyle (s
->display
, gc
, FillOpaqueStippled
);
2400 XFillRectangle (s
->display
, s
->window
, gc
, x
, y
, w
, h
);
2401 XSetFillStyle (s
->display
, gc
, FillSolid
);
2406 w32_fill_area (s
->f
, s
->hdc
, gc
->background
, x
, y
, w
, h
);
2410 else if (!s
->background_filled_p
)
2411 x_draw_glyph_string_bg_rect (s
, s
->x
, s
->y
, s
->background_width
,
2414 s
->background_filled_p
= 1;
2418 /* Draw glyph string S. */
2421 x_draw_glyph_string (s
)
2422 struct glyph_string
*s
;
2424 int relief_drawn_p
= 0;
2426 /* If S draws into the background of its successor, draw the
2427 background of the successor first so that S can draw into it.
2428 This makes S->next use XDrawString instead of XDrawImageString. */
2429 if (s
->next
&& s
->right_overhang
&& !s
->for_overlaps_p
)
2431 xassert (s
->next
->img
== NULL
);
2432 x_set_glyph_string_gc (s
->next
);
2433 x_set_glyph_string_clipping (s
->next
);
2434 x_draw_glyph_string_background (s
->next
, 1);
2437 /* Set up S->gc, set clipping and draw S. */
2438 x_set_glyph_string_gc (s
);
2440 /* Draw relief (if any) in advance for char/composition so that the
2441 glyph string can be drawn over it. */
2442 if (!s
->for_overlaps_p
2443 && s
->face
->box
!= FACE_NO_BOX
2444 && (s
->first_glyph
->type
== CHAR_GLYPH
2445 || s
->first_glyph
->type
== COMPOSITE_GLYPH
))
2448 x_set_glyph_string_clipping (s
);
2449 x_draw_glyph_string_background (s
, 1);
2450 x_draw_glyph_string_box (s
);
2451 x_set_glyph_string_clipping (s
);
2455 x_set_glyph_string_clipping (s
);
2457 switch (s
->first_glyph
->type
)
2460 x_draw_image_glyph_string (s
);
2464 x_draw_stretch_glyph_string (s
);
2468 if (s
->for_overlaps_p
)
2469 s
->background_filled_p
= 1;
2471 x_draw_glyph_string_background (s
, 0);
2472 x_draw_glyph_string_foreground (s
);
2475 case COMPOSITE_GLYPH
:
2476 if (s
->for_overlaps_p
|| s
->gidx
> 0)
2477 s
->background_filled_p
= 1;
2479 x_draw_glyph_string_background (s
, 1);
2480 x_draw_composite_glyph_string_foreground (s
);
2487 if (!s
->for_overlaps_p
)
2489 /* Draw underline. */
2490 if (s
->face
->underline_p
2491 && (s
->font
->bdf
|| !s
->font
->tm
.tmUnderlined
))
2493 unsigned long h
= 1;
2494 unsigned long dy
= s
->height
- h
;
2496 /* TODO: Use font information for positioning and thickness
2497 of underline. See OUTLINETEXTMETRIC, and xterm.c. */
2498 if (s
->face
->underline_defaulted_p
)
2500 w32_fill_area (s
->f
, s
->hdc
, s
->gc
->foreground
, s
->x
,
2501 s
->y
+ dy
, s
->width
, 1);
2505 w32_fill_area (s
->f
, s
->hdc
, s
->face
->underline_color
, s
->x
,
2506 s
->y
+ dy
, s
->width
, 1);
2510 /* Draw overline. */
2511 if (s
->face
->overline_p
)
2513 unsigned long dy
= 0, h
= 1;
2515 if (s
->face
->overline_color_defaulted_p
)
2517 w32_fill_area (s
->f
, s
->hdc
, s
->gc
->foreground
, s
->x
,
2518 s
->y
+ dy
, s
->width
, h
);
2522 w32_fill_area (s
->f
, s
->hdc
, s
->face
->underline_color
, s
->x
,
2523 s
->y
+ dy
, s
->width
, h
);
2527 /* Draw strike-through. */
2528 if (s
->face
->strike_through_p
2529 && (s
->font
->bdf
|| !s
->font
->tm
.tmStruckOut
))
2531 unsigned long h
= 1;
2532 unsigned long dy
= (s
->height
- h
) / 2;
2534 if (s
->face
->strike_through_color_defaulted_p
)
2536 w32_fill_area (s
->f
, s
->hdc
, s
->gc
->foreground
, s
->x
, s
->y
+ dy
,
2541 w32_fill_area (s
->f
, s
->hdc
, s
->face
->underline_color
, s
->x
,
2542 s
->y
+ dy
, s
->width
, h
);
2547 if (!relief_drawn_p
&& s
->face
->box
!= FACE_NO_BOX
)
2548 x_draw_glyph_string_box (s
);
2551 /* Reset clipping. */
2552 w32_set_clip_rectangle (s
->hdc
, NULL
);
2556 /* Shift display to make room for inserted glyphs. */
2559 w32_shift_glyphs_for_insert (f
, x
, y
, width
, height
, shift_by
)
2561 int x
, y
, width
, height
, shift_by
;
2565 hdc
= get_frame_dc (f
);
2566 BitBlt (hdc
, x
+ shift_by
, y
, width
, height
,
2567 hdc
, x
, y
, SRCCOPY
);
2569 release_frame_dc (f
, hdc
);
2573 /* Delete N glyphs at the nominal cursor position. Not implemented
2585 f
= SELECTED_FRAME ();
2587 if (! FRAME_W32_P (f
))
2594 /* Clear entire frame. If updating_frame is non-null, clear that
2595 frame. Otherwise clear the selected frame. */
2605 f
= SELECTED_FRAME ();
2607 if (! FRAME_W32_P (f
))
2610 /* Clearing the frame will erase any cursor, so mark them all as no
2612 mark_window_cursors_off (XWINDOW (FRAME_ROOT_WINDOW (f
)));
2613 output_cursor
.hpos
= output_cursor
.vpos
= 0;
2614 output_cursor
.x
= -1;
2616 /* We don't set the output cursor here because there will always
2617 follow an explicit cursor_to. */
2620 w32_clear_window (f
);
2622 /* We have to clear the scroll bars, too. If we have changed
2623 colors or something like that, then they should be notified. */
2624 x_scroll_bar_clear (f
);
2630 /* Make audible bell. */
2633 w32_ring_bell (void)
2637 f
= SELECTED_FRAME ();
2641 if (FRAME_W32_P (f
) && visible_bell
)
2644 HWND hwnd
= FRAME_W32_WINDOW (SELECTED_FRAME ());
2646 for (i
= 0; i
< 5; i
++)
2648 FlashWindow (hwnd
, TRUE
);
2651 FlashWindow (hwnd
, FALSE
);
2654 w32_sys_ring_bell ();
2660 /* Specify how many text lines, from the top of the window,
2661 should be affected by insert-lines and delete-lines operations.
2662 This, and those operations, are used only within an update
2663 that is bounded by calls to x_update_begin and x_update_end. */
2666 w32_set_terminal_window (n
)
2669 /* This function intentionally left blank. */
2673 /***********************************************************************
2675 ***********************************************************************/
2677 /* Perform an insert-lines or delete-lines operation, inserting N
2678 lines or deleting -N lines at vertical position VPOS. */
2681 x_ins_del_lines (vpos
, n
)
2689 f
= SELECTED_FRAME ();
2691 if (! FRAME_W32_P (f
))
2698 /* Scroll part of the display as described by RUN. */
2701 x_scroll_run (w
, run
)
2705 struct frame
*f
= XFRAME (w
->frame
);
2706 int x
, y
, width
, height
, from_y
, to_y
, bottom_y
;
2707 HWND hwnd
= FRAME_W32_WINDOW (f
);
2710 /* Get frame-relative bounding box of the text display area of W,
2711 without mode lines. Include in this box the left and right
2713 window_box (w
, -1, &x
, &y
, &width
, &height
);
2715 from_y
= WINDOW_TO_FRAME_PIXEL_Y (w
, run
->current_y
);
2716 to_y
= WINDOW_TO_FRAME_PIXEL_Y (w
, run
->desired_y
);
2717 bottom_y
= y
+ height
;
2721 /* Scrolling up. Make sure we don't copy part of the mode
2722 line at the bottom. */
2723 if (from_y
+ run
->height
> bottom_y
)
2724 height
= bottom_y
- from_y
;
2726 height
= run
->height
;
2727 expect_dirty
= CreateRectRgn (x
, y
+ height
, x
+ width
, bottom_y
);
2731 /* Scolling down. Make sure we don't copy over the mode line.
2733 if (to_y
+ run
->height
> bottom_y
)
2734 height
= bottom_y
- to_y
;
2736 height
= run
->height
;
2737 expect_dirty
= CreateRectRgn (x
, y
, x
+ width
, to_y
);
2742 /* Cursor off. Will be switched on again in x_update_window_end. */
2749 HRGN dirty
= CreateRectRgn (0, 0, 0, 0);
2750 HRGN combined
= CreateRectRgn (0, 0, 0, 0);
2752 from
.left
= to
.left
= x
;
2753 from
.right
= to
.right
= x
+ width
;
2755 from
.bottom
= from_y
+ height
;
2757 to
.bottom
= bottom_y
;
2759 ScrollWindowEx (hwnd
, 0, to_y
- from_y
, &from
, &to
, dirty
,
2760 NULL
, SW_INVALIDATE
);
2762 /* Combine this with what we expect to be dirty. This covers the
2763 case where not all of the region we expect is actually dirty. */
2764 CombineRgn (combined
, dirty
, expect_dirty
, RGN_OR
);
2766 /* If the dirty region is not what we expected, redraw the entire frame. */
2767 if (!EqualRgn (combined
, expect_dirty
))
2768 SET_FRAME_GARBAGED (f
);
2776 /***********************************************************************
2778 ***********************************************************************/
2784 x_update_cursor (f
, 1);
2788 frame_unhighlight (f
)
2791 x_update_cursor (f
, 1);
2794 /* The focus has changed. Update the frames as necessary to reflect
2795 the new situation. Note that we can't change the selected frame
2796 here, because the Lisp code we are interrupting might become confused.
2797 Each event gets marked with the frame in which it occurred, so the
2798 Lisp code can tell when the switch took place by examining the events. */
2801 x_new_focus_frame (dpyinfo
, frame
)
2802 struct w32_display_info
*dpyinfo
;
2803 struct frame
*frame
;
2805 struct frame
*old_focus
= dpyinfo
->w32_focus_frame
;
2807 if (frame
!= dpyinfo
->w32_focus_frame
)
2809 /* Set this before calling other routines, so that they see
2810 the correct value of w32_focus_frame. */
2811 dpyinfo
->w32_focus_frame
= frame
;
2813 if (old_focus
&& old_focus
->auto_lower
)
2814 x_lower_frame (old_focus
);
2824 if (dpyinfo
->w32_focus_frame
&& dpyinfo
->w32_focus_frame
->auto_raise
)
2825 pending_autoraise_frame
= dpyinfo
->w32_focus_frame
;
2827 pending_autoraise_frame
= 0;
2830 x_frame_rehighlight (dpyinfo
);
2833 /* Handle an event saying the mouse has moved out of an Emacs frame. */
2836 x_mouse_leave (dpyinfo
)
2837 struct w32_display_info
*dpyinfo
;
2839 x_new_focus_frame (dpyinfo
, dpyinfo
->w32_focus_event_frame
);
2842 /* The focus has changed, or we have redirected a frame's focus to
2843 another frame (this happens when a frame uses a surrogate
2844 mini-buffer frame). Shift the highlight as appropriate.
2846 The FRAME argument doesn't necessarily have anything to do with which
2847 frame is being highlighted or un-highlighted; we only use it to find
2848 the appropriate X display info. */
2851 w32_frame_rehighlight (frame
)
2852 struct frame
*frame
;
2854 if (! FRAME_W32_P (frame
))
2856 x_frame_rehighlight (FRAME_W32_DISPLAY_INFO (frame
));
2860 x_frame_rehighlight (dpyinfo
)
2861 struct w32_display_info
*dpyinfo
;
2863 struct frame
*old_highlight
= dpyinfo
->x_highlight_frame
;
2865 if (dpyinfo
->w32_focus_frame
)
2867 dpyinfo
->x_highlight_frame
2868 = ((GC_FRAMEP (FRAME_FOCUS_FRAME (dpyinfo
->w32_focus_frame
)))
2869 ? XFRAME (FRAME_FOCUS_FRAME (dpyinfo
->w32_focus_frame
))
2870 : dpyinfo
->w32_focus_frame
);
2871 if (! FRAME_LIVE_P (dpyinfo
->x_highlight_frame
))
2873 FRAME_FOCUS_FRAME (dpyinfo
->w32_focus_frame
) = Qnil
;
2874 dpyinfo
->x_highlight_frame
= dpyinfo
->w32_focus_frame
;
2878 dpyinfo
->x_highlight_frame
= 0;
2880 if (dpyinfo
->x_highlight_frame
!= old_highlight
)
2883 frame_unhighlight (old_highlight
);
2884 if (dpyinfo
->x_highlight_frame
)
2885 frame_highlight (dpyinfo
->x_highlight_frame
);
2889 /* Keyboard processing - modifier keys, etc. */
2891 /* Convert a keysym to its name. */
2894 x_get_keysym_name (keysym
)
2897 /* Make static so we can always return it */
2898 static char value
[100];
2901 GetKeyNameText (keysym
, value
, 100);
2909 /* Mouse clicks and mouse movement. Rah. */
2911 /* Parse a button MESSAGE. The button index is returned in PBUTTON, and
2912 the state in PUP. XBUTTON provides extra information for extended mouse
2913 button messages. Returns FALSE if unable to parse the message. */
2915 parse_button (message
, xbutton
, pbutton
, pup
)
2926 case WM_LBUTTONDOWN
:
2934 case WM_MBUTTONDOWN
:
2935 if (NILP (Vw32_swap_mouse_buttons
))
2942 if (NILP (Vw32_swap_mouse_buttons
))
2948 case WM_RBUTTONDOWN
:
2949 if (NILP (Vw32_swap_mouse_buttons
))
2956 if (NILP (Vw32_swap_mouse_buttons
))
2962 case WM_XBUTTONDOWN
:
2963 button
= xbutton
+ 2;
2967 button
= xbutton
+ 2;
2975 if (pbutton
) *pbutton
= button
;
2981 /* Prepare a mouse-event in *RESULT for placement in the input queue.
2983 If the event is a button press, then note that we have grabbed
2987 construct_mouse_click (result
, msg
, f
)
2988 struct input_event
*result
;
2995 parse_button (msg
->msg
.message
, HIWORD (msg
->msg
.wParam
),
2998 /* Make the event type NO_EVENT; we'll change that when we decide
3000 result
->kind
= MOUSE_CLICK_EVENT
;
3001 result
->code
= button
;
3002 result
->timestamp
= msg
->msg
.time
;
3003 result
->modifiers
= (msg
->dwModifiers
3008 XSETINT (result
->x
, LOWORD (msg
->msg
.lParam
));
3009 XSETINT (result
->y
, HIWORD (msg
->msg
.lParam
));
3010 XSETFRAME (result
->frame_or_window
, f
);
3016 construct_mouse_wheel (result
, msg
, f
)
3017 struct input_event
*result
;
3024 result
->kind
= WHEEL_EVENT
;
3026 result
->timestamp
= msg
->msg
.time
;
3028 /* A WHEEL_DELTA positive value indicates that the wheel was rotated
3029 forward, away from the user (up); a negative value indicates that
3030 the wheel was rotated backward, toward the user (down). */
3031 delta
= GET_WHEEL_DELTA_WPARAM (msg
->msg
.wParam
);
3033 /* The up and down modifiers indicate if the wheel was rotated up or
3034 down based on WHEEL_DELTA value. */
3035 result
->modifiers
= (msg
->dwModifiers
3036 | ((delta
< 0 ) ? down_modifier
: up_modifier
));
3038 p
.x
= LOWORD (msg
->msg
.lParam
);
3039 p
.y
= HIWORD (msg
->msg
.lParam
);
3040 ScreenToClient (msg
->msg
.hwnd
, &p
);
3041 XSETINT (result
->x
, p
.x
);
3042 XSETINT (result
->y
, p
.y
);
3043 XSETFRAME (result
->frame_or_window
, f
);
3049 construct_drag_n_drop (result
, msg
, f
)
3050 struct input_event
*result
;
3062 result
->kind
= DRAG_N_DROP_EVENT
;
3064 result
->timestamp
= msg
->msg
.time
;
3065 result
->modifiers
= msg
->dwModifiers
;
3067 hdrop
= (HDROP
) msg
->msg
.wParam
;
3068 DragQueryPoint (hdrop
, &p
);
3071 p
.x
= LOWORD (msg
->msg
.lParam
);
3072 p
.y
= HIWORD (msg
->msg
.lParam
);
3073 ScreenToClient (msg
->msg
.hwnd
, &p
);
3076 XSETINT (result
->x
, p
.x
);
3077 XSETINT (result
->y
, p
.y
);
3079 num_files
= DragQueryFile (hdrop
, 0xFFFFFFFF, NULL
, 0);
3082 for (i
= 0; i
< num_files
; i
++)
3084 len
= DragQueryFile (hdrop
, i
, NULL
, 0);
3087 name
= alloca (len
+ 1);
3088 DragQueryFile (hdrop
, i
, name
, len
+ 1);
3089 files
= Fcons (DECODE_FILE (build_string (name
)), files
);
3094 XSETFRAME (frame
, f
);
3095 result
->frame_or_window
= Fcons (frame
, files
);
3101 /* Function to report a mouse movement to the mainstream Emacs code.
3102 The input handler calls this.
3104 We have received a mouse movement event, which is given in *event.
3105 If the mouse is over a different glyph than it was last time, tell
3106 the mainstream emacs code by setting mouse_moved. If not, ask for
3107 another motion event, so we can check again the next time it moves. */
3109 static MSG last_mouse_motion_event
;
3110 static Lisp_Object last_mouse_motion_frame
;
3112 static void remember_mouse_glyph
P_ ((struct frame
*, int, int));
3115 note_mouse_movement (frame
, msg
)
3119 int mouse_x
= LOWORD (msg
->lParam
);
3120 int mouse_y
= HIWORD (msg
->lParam
);
3122 last_mouse_movement_time
= msg
->time
;
3123 memcpy (&last_mouse_motion_event
, msg
, sizeof (last_mouse_motion_event
));
3124 XSETFRAME (last_mouse_motion_frame
, frame
);
3126 if (msg
->hwnd
!= FRAME_W32_WINDOW (frame
))
3128 frame
->mouse_moved
= 1;
3129 last_mouse_scroll_bar
= Qnil
;
3130 note_mouse_highlight (frame
, -1, -1);
3133 /* Has the mouse moved off the glyph it was on at the last sighting? */
3134 else if (mouse_x
< last_mouse_glyph
.left
3135 || mouse_x
> last_mouse_glyph
.right
3136 || mouse_y
< last_mouse_glyph
.top
3137 || mouse_y
> last_mouse_glyph
.bottom
)
3139 frame
->mouse_moved
= 1;
3140 last_mouse_scroll_bar
= Qnil
;
3141 note_mouse_highlight (frame
, mouse_x
, mouse_y
);
3142 /* Remember the mouse position here, as w32_mouse_position only
3143 gets called when mouse tracking is enabled but we also need
3144 to keep track of the mouse for help_echo and highlighting at
3146 remember_mouse_glyph (frame
, mouse_x
, mouse_y
);
3151 /************************************************************************
3153 ************************************************************************/
3155 static struct scroll_bar
*x_window_to_scroll_bar ();
3156 static void x_scroll_bar_report_motion ();
3157 static void x_check_fullscreen
P_ ((struct frame
*));
3158 static int glyph_rect
P_ ((struct frame
*f
, int, int, RECT
*));
3162 redo_mouse_highlight ()
3164 if (!NILP (last_mouse_motion_frame
)
3165 && FRAME_LIVE_P (XFRAME (last_mouse_motion_frame
)))
3166 note_mouse_highlight (XFRAME (last_mouse_motion_frame
),
3167 LOWORD (last_mouse_motion_event
.lParam
),
3168 HIWORD (last_mouse_motion_event
.lParam
));
3172 w32_define_cursor (window
, cursor
)
3176 PostMessage (window
, WM_EMACS_SETCURSOR
, (WPARAM
) cursor
, 0);
3179 /* Try to determine frame pixel position and size of the glyph under
3180 frame pixel coordinates X/Y on frame F . Return the position and
3181 size in *RECT. Value is non-zero if we could compute these
3185 glyph_rect (f
, x
, y
, rect
)
3192 window
= window_from_coordinates (f
, x
, y
, 0, &x
, &y
, 0);
3196 struct window
*w
= XWINDOW (window
);
3197 struct glyph_row
*r
= MATRIX_FIRST_TEXT_ROW (w
->current_matrix
);
3198 struct glyph_row
*end
= r
+ w
->current_matrix
->nrows
- 1;
3200 for (; r
< end
&& r
->enabled_p
; ++r
)
3201 if (r
->y
<= y
&& r
->y
+ r
->height
> y
)
3203 /* Found the row at y. */
3204 struct glyph
*g
= r
->glyphs
[TEXT_AREA
];
3205 struct glyph
*end
= g
+ r
->used
[TEXT_AREA
];
3208 rect
->top
= WINDOW_TO_FRAME_PIXEL_Y (w
, r
->y
);
3209 rect
->bottom
= rect
->top
+ r
->height
;
3213 /* x is to the left of the first glyph in the row. */
3214 /* Shouldn't this be a pixel value?
3215 WINDOW_LEFT_EDGE_X (w) seems to be the right value.
3217 rect
->left
= WINDOW_LEFT_EDGE_COL (w
);
3218 rect
->right
= WINDOW_TO_FRAME_PIXEL_X (w
, r
->x
);
3222 for (gx
= r
->x
; g
< end
; gx
+= g
->pixel_width
, ++g
)
3223 if (gx
<= x
&& gx
+ g
->pixel_width
> x
)
3225 /* x is on a glyph. */
3226 rect
->left
= WINDOW_TO_FRAME_PIXEL_X (w
, gx
);
3227 rect
->right
= rect
->left
+ g
->pixel_width
;
3231 /* x is to the right of the last glyph in the row. */
3232 rect
->left
= WINDOW_TO_FRAME_PIXEL_X (w
, gx
);
3233 /* Shouldn't this be a pixel value?
3234 WINDOW_RIGHT_EDGE_X (w) seems to be the right value.
3236 rect
->right
= WINDOW_RIGHT_EDGE_COL (w
);
3241 /* The y is not on any row. */
3245 /* Record the position of the mouse in last_mouse_glyph. */
3247 remember_mouse_glyph (f1
, gx
, gy
)
3251 if (!glyph_rect (f1
, gx
, gy
, &last_mouse_glyph
))
3253 int width
= FRAME_SMALLEST_CHAR_WIDTH (f1
);
3254 int height
= FRAME_SMALLEST_FONT_HEIGHT (f1
);
3256 /* Arrange for the division in FRAME_PIXEL_X_TO_COL etc. to
3257 round down even for negative values. */
3263 /* This was the original code from XTmouse_position, but it seems
3264 to give the position of the glyph diagonally next to the one
3265 the mouse is over. */
3266 gx
= (gx
+ width
- 1) / width
* width
;
3267 gy
= (gy
+ height
- 1) / height
* height
;
3269 gx
= gx
/ width
* width
;
3270 gy
= gy
/ height
* height
;
3273 last_mouse_glyph
.left
= gx
;
3274 last_mouse_glyph
.top
= gy
;
3275 last_mouse_glyph
.right
= gx
+ width
;
3276 last_mouse_glyph
.bottom
= gy
+ height
;
3280 /* Return the current position of the mouse.
3281 *fp should be a frame which indicates which display to ask about.
3283 If the mouse movement started in a scroll bar, set *fp, *bar_window,
3284 and *part to the frame, window, and scroll bar part that the mouse
3285 is over. Set *x and *y to the portion and whole of the mouse's
3286 position on the scroll bar.
3288 If the mouse movement started elsewhere, set *fp to the frame the
3289 mouse is on, *bar_window to nil, and *x and *y to the character cell
3292 Set *time to the server time-stamp for the time at which the mouse
3293 was at this position.
3295 Don't store anything if we don't have a valid set of values to report.
3297 This clears the mouse_moved flag, so we can wait for the next mouse
3301 w32_mouse_position (fp
, insist
, bar_window
, part
, x
, y
, time
)
3304 Lisp_Object
*bar_window
;
3305 enum scroll_bar_part
*part
;
3307 unsigned long *time
;
3313 if (! NILP (last_mouse_scroll_bar
) && insist
== 0)
3314 x_scroll_bar_report_motion (fp
, bar_window
, part
, x
, y
, time
);
3319 Lisp_Object frame
, tail
;
3321 /* Clear the mouse-moved flag for every frame on this display. */
3322 FOR_EACH_FRAME (tail
, frame
)
3323 XFRAME (frame
)->mouse_moved
= 0;
3325 last_mouse_scroll_bar
= Qnil
;
3329 /* Now we have a position on the root; find the innermost window
3330 containing the pointer. */
3332 if (FRAME_W32_DISPLAY_INFO (*fp
)->grabbed
&& last_mouse_frame
3333 && FRAME_LIVE_P (last_mouse_frame
))
3335 /* If mouse was grabbed on a frame, give coords for that frame
3336 even if the mouse is now outside it. */
3337 f1
= last_mouse_frame
;
3341 /* Is window under mouse one of our frames? */
3342 f1
= x_any_window_to_frame (FRAME_W32_DISPLAY_INFO (*fp
),
3343 WindowFromPoint (pt
));
3346 /* If not, is it one of our scroll bars? */
3349 struct scroll_bar
*bar
3350 = x_window_to_scroll_bar (WindowFromPoint (pt
));
3354 f1
= XFRAME (WINDOW_FRAME (XWINDOW (bar
->window
)));
3358 if (f1
== 0 && insist
> 0)
3359 f1
= SELECTED_FRAME ();
3363 /* Ok, we found a frame. Store all the values.
3364 last_mouse_glyph is a rectangle used to reduce the
3365 generation of mouse events. To not miss any motion
3366 events, we must divide the frame into rectangles of the
3367 size of the smallest character that could be displayed
3368 on it, i.e. into the same rectangles that matrices on
3369 the frame are divided into. */
3371 #if OLD_REDISPLAY_CODE
3372 int ignore1
, ignore2
;
3374 ScreenToClient (FRAME_W32_WINDOW (f1
), &pt
);
3376 pixel_to_glyph_coords (f1
, pt
.x
, pt
.y
, &ignore1
, &ignore2
,
3378 FRAME_W32_DISPLAY_INFO (f1
)->grabbed
3381 ScreenToClient (FRAME_W32_WINDOW (f1
), &pt
);
3382 remember_mouse_glyph (f1
, pt
.x
, pt
.y
);
3390 *time
= last_mouse_movement_time
;
3399 /***********************************************************************
3401 ***********************************************************************/
3403 /* Handle mouse button event on the tool-bar of frame F, at
3404 frame-relative coordinates X/Y. EVENT_TYPE is either ButtionPress
3408 w32_handle_tool_bar_click (f
, button_event
)
3410 struct input_event
*button_event
;
3412 int x
= XFASTINT (button_event
->x
);
3413 int y
= XFASTINT (button_event
->y
);
3415 if (button_event
->modifiers
& down_modifier
)
3416 handle_tool_bar_click (f
, x
, y
, 1, 0);
3418 handle_tool_bar_click (f
, x
, y
, 0,
3419 button_event
->modifiers
& ~up_modifier
);
3424 /***********************************************************************
3426 ***********************************************************************/
3428 /* Scroll bar support. */
3430 /* Given a window ID, find the struct scroll_bar which manages it.
3431 This can be called in GC, so we have to make sure to strip off mark
3434 static struct scroll_bar
*
3435 x_window_to_scroll_bar (window_id
)
3440 for (tail
= Vframe_list
;
3441 XGCTYPE (tail
) == Lisp_Cons
;
3444 Lisp_Object frame
, bar
, condemned
;
3446 frame
= XCAR (tail
);
3447 /* All elements of Vframe_list should be frames. */
3448 if (! GC_FRAMEP (frame
))
3451 /* Scan this frame's scroll bar list for a scroll bar with the
3453 condemned
= FRAME_CONDEMNED_SCROLL_BARS (XFRAME (frame
));
3454 for (bar
= FRAME_SCROLL_BARS (XFRAME (frame
));
3455 /* This trick allows us to search both the ordinary and
3456 condemned scroll bar lists with one loop. */
3457 ! GC_NILP (bar
) || (bar
= condemned
,
3460 bar
= XSCROLL_BAR (bar
)->next
)
3461 if (SCROLL_BAR_W32_WINDOW (XSCROLL_BAR (bar
)) == window_id
)
3462 return XSCROLL_BAR (bar
);
3470 /* Set the thumb size and position of scroll bar BAR. We are currently
3471 displaying PORTION out of a whole WHOLE, and our position POSITION. */
3474 w32_set_scroll_bar_thumb (bar
, portion
, position
, whole
)
3475 struct scroll_bar
*bar
;
3476 int portion
, position
, whole
;
3478 Window w
= SCROLL_BAR_W32_WINDOW (bar
);
3479 double range
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
));
3480 int sb_page
, sb_pos
;
3481 BOOL draggingp
= !NILP (bar
->dragging
) ? TRUE
: FALSE
;
3485 /* Position scroll bar at rock bottom if the bottom of the
3486 buffer is visible. This avoids shinking the thumb away
3487 to nothing if it is held at the bottom of the buffer. */
3488 if (position
+ portion
>= whole
)
3490 sb_page
= range
* (whole
- position
) / whole
3491 + VERTICAL_SCROLL_BAR_MIN_HANDLE
;
3495 sb_page
= portion
* range
/ whole
+ VERTICAL_SCROLL_BAR_MIN_HANDLE
;
3496 sb_pos
= position
* range
/ whole
;
3506 if (pfnSetScrollInfo
)
3510 si
.cbSize
= sizeof (si
);
3511 /* Only update page size if currently dragging, to reduce
3514 si
.fMask
= SIF_PAGE
;
3516 si
.fMask
= SIF_PAGE
| SIF_POS
;
3520 pfnSetScrollInfo (w
, SB_CTL
, &si
, !draggingp
);
3523 SetScrollPos (w
, SB_CTL
, sb_pos
, !draggingp
);
3529 /************************************************************************
3530 Scroll bars, general
3531 ************************************************************************/
3534 my_create_scrollbar (f
, bar
)
3536 struct scroll_bar
* bar
;
3538 return (HWND
) SendMessage (FRAME_W32_WINDOW (f
),
3539 WM_EMACS_CREATESCROLLBAR
, (WPARAM
) f
,
3543 /*#define ATTACH_THREADS*/
3546 my_show_window (FRAME_PTR f
, HWND hwnd
, int how
)
3548 #ifndef ATTACH_THREADS
3549 return SendMessage (FRAME_W32_WINDOW (f
), WM_EMACS_SHOWWINDOW
,
3550 (WPARAM
) hwnd
, (LPARAM
) how
);
3552 return ShowWindow (hwnd
, how
);
3557 my_set_window_pos (HWND hwnd
, HWND hwndAfter
,
3558 int x
, int y
, int cx
, int cy
, UINT flags
)
3560 #ifndef ATTACH_THREADS
3562 pos
.hwndInsertAfter
= hwndAfter
;
3568 SendMessage (hwnd
, WM_EMACS_SETWINDOWPOS
, (WPARAM
) &pos
, 0);
3570 SetWindowPos (hwnd
, hwndAfter
, x
, y
, cx
, cy
, flags
);
3575 my_set_focus (f
, hwnd
)
3579 SendMessage (FRAME_W32_WINDOW (f
), WM_EMACS_SETFOCUS
,
3584 my_set_foreground_window (hwnd
)
3587 SendMessage (hwnd
, WM_EMACS_SETFOREGROUND
, (WPARAM
) hwnd
, 0);
3591 my_destroy_window (f
, hwnd
)
3595 SendMessage (FRAME_W32_WINDOW (f
), WM_EMACS_DESTROYWINDOW
,
3599 /* Create a scroll bar and return the scroll bar vector for it. W is
3600 the Emacs window on which to create the scroll bar. TOP, LEFT,
3601 WIDTH and HEIGHT are.the pixel coordinates and dimensions of the
3604 static struct scroll_bar
*
3605 x_scroll_bar_create (w
, top
, left
, width
, height
)
3607 int top
, left
, width
, height
;
3609 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
3611 struct scroll_bar
*bar
3612 = XSCROLL_BAR (Fmake_vector (make_number (SCROLL_BAR_VEC_SIZE
), Qnil
));
3616 XSETWINDOW (bar
->window
, w
);
3617 XSETINT (bar
->top
, top
);
3618 XSETINT (bar
->left
, left
);
3619 XSETINT (bar
->width
, width
);
3620 XSETINT (bar
->height
, height
);
3621 XSETINT (bar
->start
, 0);
3622 XSETINT (bar
->end
, 0);
3623 bar
->dragging
= Qnil
;
3625 /* Requires geometry to be set before call to create the real window */
3627 hwnd
= my_create_scrollbar (f
, bar
);
3629 if (pfnSetScrollInfo
)
3633 si
.cbSize
= sizeof (si
);
3636 si
.nMax
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, height
)
3637 + VERTICAL_SCROLL_BAR_MIN_HANDLE
;
3641 pfnSetScrollInfo (hwnd
, SB_CTL
, &si
, FALSE
);
3645 SetScrollRange (hwnd
, SB_CTL
, 0,
3646 VERTICAL_SCROLL_BAR_TOP_RANGE (f
, height
), FALSE
);
3647 SetScrollPos (hwnd
, SB_CTL
, 0, FALSE
);
3650 SET_SCROLL_BAR_W32_WINDOW (bar
, hwnd
);
3652 /* Add bar to its frame's list of scroll bars. */
3653 bar
->next
= FRAME_SCROLL_BARS (f
);
3655 XSETVECTOR (FRAME_SCROLL_BARS (f
), bar
);
3656 if (! NILP (bar
->next
))
3657 XSETVECTOR (XSCROLL_BAR (bar
->next
)->prev
, bar
);
3665 /* Destroy scroll bar BAR, and set its Emacs window's scroll bar to
3669 x_scroll_bar_remove (bar
)
3670 struct scroll_bar
*bar
;
3672 FRAME_PTR f
= XFRAME (WINDOW_FRAME (XWINDOW (bar
->window
)));
3676 /* Destroy the window. */
3677 my_destroy_window (f
, SCROLL_BAR_W32_WINDOW (bar
));
3679 /* Disassociate this scroll bar from its window. */
3680 XWINDOW (bar
->window
)->vertical_scroll_bar
= Qnil
;
3685 /* Set the handle of the vertical scroll bar for WINDOW to indicate
3686 that we are displaying PORTION characters out of a total of WHOLE
3687 characters, starting at POSITION. If WINDOW has no scroll bar,
3690 w32_set_vertical_scroll_bar (w
, portion
, whole
, position
)
3692 int portion
, whole
, position
;
3694 struct frame
*f
= XFRAME (w
->frame
);
3695 struct scroll_bar
*bar
;
3696 int top
, height
, left
, sb_left
, width
, sb_width
;
3697 int window_y
, window_height
;
3699 /* Get window dimensions. */
3700 window_box (w
, -1, 0, &window_y
, 0, &window_height
);
3702 width
= WINDOW_CONFIG_SCROLL_BAR_COLS (w
) * FRAME_COLUMN_WIDTH (f
);
3703 height
= window_height
;
3705 /* Compute the left edge of the scroll bar area. */
3706 left
= WINDOW_SCROLL_BAR_AREA_X (w
);
3708 /* Compute the width of the scroll bar which might be less than
3709 the width of the area reserved for the scroll bar. */
3710 if (WINDOW_CONFIG_SCROLL_BAR_WIDTH (w
) > 0)
3711 sb_width
= WINDOW_CONFIG_SCROLL_BAR_WIDTH (w
);
3715 /* Compute the left edge of the scroll bar. */
3716 if (WINDOW_HAS_VERTICAL_SCROLL_BAR_ON_RIGHT (w
))
3717 sb_left
= left
+ width
- sb_width
- (width
- sb_width
) / 2;
3719 sb_left
= left
+ (width
- sb_width
) / 2;
3721 /* Does the scroll bar exist yet? */
3722 if (NILP (w
->vertical_scroll_bar
))
3726 if (width
> 0 && height
> 0)
3728 hdc
= get_frame_dc (f
);
3729 w32_clear_area (f
, hdc
, left
, top
, width
, height
);
3730 release_frame_dc (f
, hdc
);
3734 bar
= x_scroll_bar_create (w
, top
, sb_left
, sb_width
, height
);
3738 /* It may just need to be moved and resized. */
3741 bar
= XSCROLL_BAR (w
->vertical_scroll_bar
);
3742 hwnd
= SCROLL_BAR_W32_WINDOW (bar
);
3744 /* If already correctly positioned, do nothing. */
3745 if ( XINT (bar
->left
) == sb_left
3746 && XINT (bar
->top
) == top
3747 && XINT (bar
->width
) == sb_width
3748 && XINT (bar
->height
) == height
)
3750 /* Redraw after clear_frame. */
3751 if (!my_show_window (f
, hwnd
, SW_NORMAL
))
3752 InvalidateRect (hwnd
, NULL
, FALSE
);
3758 if (width
&& height
)
3760 hdc
= get_frame_dc (f
);
3761 /* Since Windows scroll bars are smaller than the space reserved
3762 for them on the frame, we have to clear "under" them. */
3763 w32_clear_area (f
, hdc
,
3768 release_frame_dc (f
, hdc
);
3770 /* Make sure scroll bar is "visible" before moving, to ensure the
3771 area of the parent window now exposed will be refreshed. */
3772 my_show_window (f
, hwnd
, SW_HIDE
);
3773 MoveWindow (hwnd
, sb_left
+ VERTICAL_SCROLL_BAR_WIDTH_TRIM
,
3774 top
, sb_width
- VERTICAL_SCROLL_BAR_WIDTH_TRIM
* 2,
3775 max (height
, 1), TRUE
);
3776 if (pfnSetScrollInfo
)
3780 si
.cbSize
= sizeof (si
);
3781 si
.fMask
= SIF_RANGE
;
3783 si
.nMax
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, height
)
3784 + VERTICAL_SCROLL_BAR_MIN_HANDLE
;
3786 pfnSetScrollInfo (hwnd
, SB_CTL
, &si
, FALSE
);
3789 SetScrollRange (hwnd
, SB_CTL
, 0,
3790 VERTICAL_SCROLL_BAR_TOP_RANGE (f
, height
), FALSE
);
3791 my_show_window (f
, hwnd
, SW_NORMAL
);
3792 /* InvalidateRect (w, NULL, FALSE); */
3794 /* Remember new settings. */
3795 XSETINT (bar
->left
, sb_left
);
3796 XSETINT (bar
->top
, top
);
3797 XSETINT (bar
->width
, sb_width
);
3798 XSETINT (bar
->height
, height
);
3803 w32_set_scroll_bar_thumb (bar
, portion
, position
, whole
);
3805 XSETVECTOR (w
->vertical_scroll_bar
, bar
);
3809 /* The following three hooks are used when we're doing a thorough
3810 redisplay of the frame. We don't explicitly know which scroll bars
3811 are going to be deleted, because keeping track of when windows go
3812 away is a real pain - "Can you say set-window-configuration, boys
3813 and girls?" Instead, we just assert at the beginning of redisplay
3814 that *all* scroll bars are to be removed, and then save a scroll bar
3815 from the fiery pit when we actually redisplay its window. */
3817 /* Arrange for all scroll bars on FRAME to be removed at the next call
3818 to `*judge_scroll_bars_hook'. A scroll bar may be spared if
3819 `*redeem_scroll_bar_hook' is applied to its window before the judgment. */
3822 w32_condemn_scroll_bars (frame
)
3825 /* Transfer all the scroll bars to FRAME_CONDEMNED_SCROLL_BARS. */
3826 while (! NILP (FRAME_SCROLL_BARS (frame
)))
3829 bar
= FRAME_SCROLL_BARS (frame
);
3830 FRAME_SCROLL_BARS (frame
) = XSCROLL_BAR (bar
)->next
;
3831 XSCROLL_BAR (bar
)->next
= FRAME_CONDEMNED_SCROLL_BARS (frame
);
3832 XSCROLL_BAR (bar
)->prev
= Qnil
;
3833 if (! NILP (FRAME_CONDEMNED_SCROLL_BARS (frame
)))
3834 XSCROLL_BAR (FRAME_CONDEMNED_SCROLL_BARS (frame
))->prev
= bar
;
3835 FRAME_CONDEMNED_SCROLL_BARS (frame
) = bar
;
3840 /* Un-mark WINDOW's scroll bar for deletion in this judgment cycle.
3841 Note that WINDOW isn't necessarily condemned at all. */
3844 w32_redeem_scroll_bar (window
)
3845 struct window
*window
;
3847 struct scroll_bar
*bar
;
3850 /* We can't redeem this window's scroll bar if it doesn't have one. */
3851 if (NILP (window
->vertical_scroll_bar
))
3854 bar
= XSCROLL_BAR (window
->vertical_scroll_bar
);
3856 /* Unlink it from the condemned list. */
3857 f
= XFRAME (WINDOW_FRAME (window
));
3858 if (NILP (bar
->prev
))
3860 /* If the prev pointer is nil, it must be the first in one of
3862 if (EQ (FRAME_SCROLL_BARS (f
), window
->vertical_scroll_bar
))
3863 /* It's not condemned. Everything's fine. */
3865 else if (EQ (FRAME_CONDEMNED_SCROLL_BARS (f
),
3866 window
->vertical_scroll_bar
))
3867 FRAME_CONDEMNED_SCROLL_BARS (f
) = bar
->next
;
3869 /* If its prev pointer is nil, it must be at the front of
3870 one or the other! */
3874 XSCROLL_BAR (bar
->prev
)->next
= bar
->next
;
3876 if (! NILP (bar
->next
))
3877 XSCROLL_BAR (bar
->next
)->prev
= bar
->prev
;
3879 bar
->next
= FRAME_SCROLL_BARS (f
);
3881 XSETVECTOR (FRAME_SCROLL_BARS (f
), bar
);
3882 if (! NILP (bar
->next
))
3883 XSETVECTOR (XSCROLL_BAR (bar
->next
)->prev
, bar
);
3886 /* Remove all scroll bars on FRAME that haven't been saved since the
3887 last call to `*condemn_scroll_bars_hook'. */
3890 w32_judge_scroll_bars (f
)
3893 Lisp_Object bar
, next
;
3895 bar
= FRAME_CONDEMNED_SCROLL_BARS (f
);
3897 /* Clear out the condemned list now so we won't try to process any
3898 more events on the hapless scroll bars. */
3899 FRAME_CONDEMNED_SCROLL_BARS (f
) = Qnil
;
3901 for (; ! NILP (bar
); bar
= next
)
3903 struct scroll_bar
*b
= XSCROLL_BAR (bar
);
3905 x_scroll_bar_remove (b
);
3908 b
->next
= b
->prev
= Qnil
;
3911 /* Now there should be no references to the condemned scroll bars,
3912 and they should get garbage-collected. */
3915 /* Handle a mouse click on the scroll bar BAR. If *EMACS_EVENT's kind
3916 is set to something other than NO_EVENT, it is enqueued.
3918 This may be called from a signal handler, so we have to ignore GC
3922 w32_scroll_bar_handle_click (bar
, msg
, emacs_event
)
3923 struct scroll_bar
*bar
;
3925 struct input_event
*emacs_event
;
3927 if (! GC_WINDOWP (bar
->window
))
3930 emacs_event
->kind
= W32_SCROLL_BAR_CLICK_EVENT
;
3931 emacs_event
->code
= 0;
3932 /* not really meaningful to distinguish up/down */
3933 emacs_event
->modifiers
= msg
->dwModifiers
;
3934 emacs_event
->frame_or_window
= bar
->window
;
3935 emacs_event
->arg
= Qnil
;
3936 emacs_event
->timestamp
= msg
->msg
.time
;
3939 int top_range
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
));
3941 int dragging
= !NILP (bar
->dragging
);
3943 if (pfnGetScrollInfo
)
3947 si
.cbSize
= sizeof (si
);
3950 pfnGetScrollInfo ((HWND
) msg
->msg
.lParam
, SB_CTL
, &si
);
3954 y
= GetScrollPos ((HWND
) msg
->msg
.lParam
, SB_CTL
);
3956 bar
->dragging
= Qnil
;
3959 last_mouse_scroll_bar_pos
= msg
->msg
.wParam
;
3961 switch (LOWORD (msg
->msg
.wParam
))
3964 emacs_event
->part
= scroll_bar_down_arrow
;
3967 emacs_event
->part
= scroll_bar_up_arrow
;
3970 emacs_event
->part
= scroll_bar_above_handle
;
3973 emacs_event
->part
= scroll_bar_below_handle
;
3976 emacs_event
->part
= scroll_bar_handle
;
3980 emacs_event
->part
= scroll_bar_handle
;
3984 case SB_THUMBPOSITION
:
3985 if (VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
)) <= 0xffff)
3986 y
= HIWORD (msg
->msg
.wParam
);
3988 emacs_event
->part
= scroll_bar_handle
;
3990 /* "Silently" update current position. */
3991 if (pfnSetScrollInfo
)
3995 si
.cbSize
= sizeof (si
);
3998 /* Remember apparent position (we actually lag behind the real
3999 position, so don't set that directly. */
4000 last_scroll_bar_drag_pos
= y
;
4002 pfnSetScrollInfo (SCROLL_BAR_W32_WINDOW (bar
), SB_CTL
, &si
, FALSE
);
4005 SetScrollPos (SCROLL_BAR_W32_WINDOW (bar
), SB_CTL
, y
, FALSE
);
4008 /* If this is the end of a drag sequence, then reset the scroll
4009 handle size to normal and do a final redraw. Otherwise do
4013 if (pfnSetScrollInfo
)
4016 int start
= XINT (bar
->start
);
4017 int end
= XINT (bar
->end
);
4019 si
.cbSize
= sizeof (si
);
4020 si
.fMask
= SIF_PAGE
| SIF_POS
;
4021 si
.nPage
= end
- start
+ VERTICAL_SCROLL_BAR_MIN_HANDLE
;
4022 si
.nPos
= last_scroll_bar_drag_pos
;
4023 pfnSetScrollInfo (SCROLL_BAR_W32_WINDOW (bar
), SB_CTL
, &si
, TRUE
);
4026 SetScrollPos (SCROLL_BAR_W32_WINDOW (bar
), SB_CTL
, y
, TRUE
);
4030 emacs_event
->kind
= NO_EVENT
;
4034 XSETINT (emacs_event
->x
, y
);
4035 XSETINT (emacs_event
->y
, top_range
);
4041 /* Return information to the user about the current position of the mouse
4042 on the scroll bar. */
4045 x_scroll_bar_report_motion (fp
, bar_window
, part
, x
, y
, time
)
4047 Lisp_Object
*bar_window
;
4048 enum scroll_bar_part
*part
;
4050 unsigned long *time
;
4052 struct scroll_bar
*bar
= XSCROLL_BAR (last_mouse_scroll_bar
);
4053 Window w
= SCROLL_BAR_W32_WINDOW (bar
);
4054 FRAME_PTR f
= XFRAME (WINDOW_FRAME (XWINDOW (bar
->window
)));
4056 int top_range
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
));
4061 *bar_window
= bar
->window
;
4063 if (pfnGetScrollInfo
)
4067 si
.cbSize
= sizeof (si
);
4068 si
.fMask
= SIF_POS
| SIF_PAGE
| SIF_RANGE
;
4070 pfnGetScrollInfo (w
, SB_CTL
, &si
);
4072 top_range
= si
.nMax
- si
.nPage
+ 1;
4075 pos
= GetScrollPos (w
, SB_CTL
);
4077 switch (LOWORD (last_mouse_scroll_bar_pos
))
4079 case SB_THUMBPOSITION
:
4081 *part
= scroll_bar_handle
;
4082 if (VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
)) <= 0xffff)
4083 pos
= HIWORD (last_mouse_scroll_bar_pos
);
4086 *part
= scroll_bar_handle
;
4090 *part
= scroll_bar_handle
;
4095 XSETINT (*y
, top_range
);
4098 last_mouse_scroll_bar
= Qnil
;
4100 *time
= last_mouse_movement_time
;
4106 /* The screen has been cleared so we may have changed foreground or
4107 background colors, and the scroll bars may need to be redrawn.
4108 Clear out the scroll bars, and ask for expose events, so we can
4112 x_scroll_bar_clear (f
)
4117 /* We can have scroll bars even if this is 0,
4118 if we just turned off scroll bar mode.
4119 But in that case we should not clear them. */
4120 if (FRAME_HAS_VERTICAL_SCROLL_BARS (f
))
4121 for (bar
= FRAME_SCROLL_BARS (f
); VECTORP (bar
);
4122 bar
= XSCROLL_BAR (bar
)->next
)
4124 HWND window
= SCROLL_BAR_W32_WINDOW (XSCROLL_BAR (bar
));
4125 HDC hdc
= GetDC (window
);
4128 /* Hide scroll bar until ready to repaint. x_scroll_bar_move
4129 arranges to refresh the scroll bar if hidden. */
4130 my_show_window (f
, window
, SW_HIDE
);
4132 GetClientRect (window
, &rect
);
4133 select_palette (f
, hdc
);
4134 w32_clear_rect (f
, hdc
, &rect
);
4135 deselect_palette (f
, hdc
);
4137 ReleaseDC (window
, hdc
);
4142 /* The main W32 event-reading loop - w32_read_socket. */
4144 /* Record the last 100 characters stored
4145 to help debug the loss-of-chars-during-GC problem. */
4147 static int temp_index
;
4148 static short temp_buffer
[100];
4151 /* Read events coming from the W32 shell.
4152 This routine is called by the SIGIO handler.
4153 We return as soon as there are no more events to be read.
4155 We return the number of characters stored into the buffer,
4156 thus pretending to be `read'.
4158 EXPECTED is nonzero if the caller knows input is available.
4160 Some of these messages are reposted back to the message queue since the
4161 system calls the windows proc directly in a context where we cannot return
4162 the data nor can we guarantee the state we are in. So if we dispatch them
4163 we will get into an infinite loop. To prevent this from ever happening we
4164 will set a variable to indicate we are in the read_socket call and indicate
4165 which message we are processing since the windows proc gets called
4166 recursively with different messages by the system.
4170 w32_read_socket (sd
, expected
, hold_quit
)
4173 struct input_event
*hold_quit
;
4176 int check_visibility
= 0;
4179 struct w32_display_info
*dpyinfo
= &one_w32_display_info
;
4181 if (interrupt_input_blocked
)
4183 interrupt_input_pending
= 1;
4187 interrupt_input_pending
= 0;
4190 /* So people can tell when we have read the available input. */
4191 input_signal_count
++;
4193 /* TODO: ghostscript integration. */
4194 while (get_next_msg (&msg
, FALSE
))
4196 struct input_event inev
;
4200 inev
.kind
= NO_EVENT
;
4203 switch (msg
.msg
.message
)
4206 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4210 if (msg
.rect
.right
== msg
.rect
.left
||
4211 msg
.rect
.bottom
== msg
.rect
.top
)
4213 /* We may get paint messages even though the client
4214 area is clipped - these are not expose events. */
4215 DebPrint (("clipped frame %p (%s) got WM_PAINT - ignored\n", f
,
4218 else if (f
->async_visible
!= 1)
4220 /* Definitely not obscured, so mark as visible. */
4221 f
->async_visible
= 1;
4222 f
->async_iconified
= 0;
4223 SET_FRAME_GARBAGED (f
);
4224 DebPrint (("frame %p (%s) reexposed by WM_PAINT\n", f
,
4227 /* WM_PAINT serves as MapNotify as well, so report
4228 visibility changes properly. */
4231 inev
.kind
= DEICONIFY_EVENT
;
4232 XSETFRAME (inev
.frame_or_window
, f
);
4234 else if (! NILP (Vframe_list
)
4235 && ! NILP (XCDR (Vframe_list
)))
4236 /* Force a redisplay sooner or later to update the
4237 frame titles in case this is the second frame. */
4238 record_asynch_buffer_change ();
4242 HDC hdc
= get_frame_dc (f
);
4244 /* Erase background again for safety. */
4245 w32_clear_rect (f
, hdc
, &msg
.rect
);
4246 release_frame_dc (f
, hdc
);
4250 msg
.rect
.right
- msg
.rect
.left
,
4251 msg
.rect
.bottom
- msg
.rect
.top
);
4256 case WM_INPUTLANGCHANGE
:
4257 /* Generate a language change event. */
4258 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4262 inev
.kind
= LANGUAGE_CHANGE_EVENT
;
4263 XSETFRAME (inev
.frame_or_window
, f
);
4264 inev
.code
= msg
.msg
.wParam
;
4265 inev
.modifiers
= msg
.msg
.lParam
& 0xffff;
4271 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4273 if (f
&& !f
->iconified
)
4275 if (!dpyinfo
->mouse_face_hidden
&& INTEGERP (Vmouse_highlight
))
4277 clear_mouse_face (dpyinfo
);
4278 dpyinfo
->mouse_face_hidden
= 1;
4281 if (temp_index
== sizeof temp_buffer
/ sizeof (short))
4283 temp_buffer
[temp_index
++] = msg
.msg
.wParam
;
4284 inev
.kind
= NON_ASCII_KEYSTROKE_EVENT
;
4285 inev
.code
= msg
.msg
.wParam
;
4286 inev
.modifiers
= msg
.dwModifiers
;
4287 XSETFRAME (inev
.frame_or_window
, f
);
4288 inev
.timestamp
= msg
.msg
.time
;
4294 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4296 if (f
&& !f
->iconified
)
4298 if (!dpyinfo
->mouse_face_hidden
&& INTEGERP (Vmouse_highlight
))
4300 clear_mouse_face (dpyinfo
);
4301 dpyinfo
->mouse_face_hidden
= 1;
4304 if (temp_index
== sizeof temp_buffer
/ sizeof (short))
4306 temp_buffer
[temp_index
++] = msg
.msg
.wParam
;
4307 inev
.kind
= ASCII_KEYSTROKE_EVENT
;
4308 inev
.code
= msg
.msg
.wParam
;
4309 inev
.modifiers
= msg
.dwModifiers
;
4310 XSETFRAME (inev
.frame_or_window
, f
);
4311 inev
.timestamp
= msg
.msg
.time
;
4316 /* Ignore non-movement. */
4318 int x
= LOWORD (msg
.msg
.lParam
);
4319 int y
= HIWORD (msg
.msg
.lParam
);
4320 if (x
== last_mousemove_x
&& y
== last_mousemove_y
)
4322 last_mousemove_x
= x
;
4323 last_mousemove_y
= y
;
4326 previous_help_echo_string
= help_echo_string
;
4328 if (dpyinfo
->grabbed
&& last_mouse_frame
4329 && FRAME_LIVE_P (last_mouse_frame
))
4330 f
= last_mouse_frame
;
4332 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4334 if (dpyinfo
->mouse_face_hidden
)
4336 dpyinfo
->mouse_face_hidden
= 0;
4337 clear_mouse_face (dpyinfo
);
4342 /* Generate SELECT_WINDOW_EVENTs when needed. */
4343 if (mouse_autoselect_window
)
4346 int x
= LOWORD (msg
.msg
.lParam
);
4347 int y
= HIWORD (msg
.msg
.lParam
);
4349 window
= window_from_coordinates (f
, x
, y
, 0, 0, 0, 0);
4351 /* Window will be selected only when it is not
4352 selected now and last mouse movement event was
4353 not in it. Minibuffer window will be selected
4354 iff it is active. */
4356 && !EQ (window
, last_window
)
4357 && !EQ (window
, selected_window
))
4359 inev
.kind
= SELECT_WINDOW_EVENT
;
4360 inev
.frame_or_window
= window
;
4365 note_mouse_movement (f
, &msg
.msg
);
4369 /* If we move outside the frame, then we're
4370 certainly no longer on any text in the frame. */
4371 clear_mouse_face (dpyinfo
);
4374 /* If the contents of the global variable help_echo_string
4375 has changed, generate a HELP_EVENT. */
4376 #if 0 /* The below is an invalid comparison when USE_LISP_UNION_TYPE.
4377 But it was originally changed to this to fix a bug, so I have
4378 not removed it completely in case the bug is still there. */
4379 if (help_echo_string
!= previous_help_echo_string
||
4380 (!NILP (help_echo_string
) && !STRINGP (help_echo_string
) && f
->mouse_moved
))
4381 #else /* This is what xterm.c does. */
4382 if (!NILP (help_echo_string
)
4383 || !NILP (previous_help_echo_string
))
4388 case WM_LBUTTONDOWN
:
4390 case WM_MBUTTONDOWN
:
4392 case WM_RBUTTONDOWN
:
4394 case WM_XBUTTONDOWN
:
4397 /* If we decide we want to generate an event to be seen
4398 by the rest of Emacs, we put it here. */
4403 if (dpyinfo
->grabbed
&& last_mouse_frame
4404 && FRAME_LIVE_P (last_mouse_frame
))
4405 f
= last_mouse_frame
;
4407 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4411 construct_mouse_click (&inev
, &msg
, f
);
4413 /* Is this in the tool-bar? */
4414 if (WINDOWP (f
->tool_bar_window
)
4415 && WINDOW_TOTAL_LINES (XWINDOW (f
->tool_bar_window
)))
4418 int x
= XFASTINT (inev
.x
);
4419 int y
= XFASTINT (inev
.y
);
4421 window
= window_from_coordinates (f
, x
, y
, 0, 0, 0, 1);
4423 if (EQ (window
, f
->tool_bar_window
))
4425 w32_handle_tool_bar_click (f
, &inev
);
4431 || (dpyinfo
->w32_focus_frame
4432 && f
!= dpyinfo
->w32_focus_frame
))
4433 inev
.kind
= NO_EVENT
;
4436 parse_button (msg
.msg
.message
, HIWORD (msg
.msg
.wParam
),
4441 dpyinfo
->grabbed
&= ~ (1 << button
);
4445 dpyinfo
->grabbed
|= (1 << button
);
4446 last_mouse_frame
= f
;
4447 /* Ignore any mouse motion that happened
4448 before this event; any subsequent mouse-movement
4449 Emacs events should reflect only motion after
4455 last_tool_bar_item
= -1;
4462 if (dpyinfo
->grabbed
&& last_mouse_frame
4463 && FRAME_LIVE_P (last_mouse_frame
))
4464 f
= last_mouse_frame
;
4466 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4471 if (!dpyinfo
->w32_focus_frame
4472 || f
== dpyinfo
->w32_focus_frame
)
4474 /* Emit an Emacs wheel-up/down event. */
4475 construct_mouse_wheel (&inev
, &msg
, f
);
4477 /* Ignore any mouse motion that happened before this
4478 event; any subsequent mouse-movement Emacs events
4479 should reflect only motion after the
4483 last_mouse_frame
= f
;
4484 last_tool_bar_item
= -1;
4489 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4492 construct_drag_n_drop (&inev
, &msg
, f
);
4497 struct scroll_bar
*bar
=
4498 x_window_to_scroll_bar ((HWND
)msg
.msg
.lParam
);
4501 w32_scroll_bar_handle_click (bar
, &msg
, &inev
);
4505 case WM_WINDOWPOSCHANGED
:
4506 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4509 if (f
->want_fullscreen
& FULLSCREEN_WAIT
)
4510 f
->want_fullscreen
&= ~(FULLSCREEN_WAIT
|FULLSCREEN_BOTH
);
4512 check_visibility
= 1;
4516 case WM_ACTIVATEAPP
:
4517 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4519 x_check_fullscreen (f
);
4520 check_visibility
= 1;
4524 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4526 if (f
&& !f
->async_iconified
)
4530 x_real_positions (f
, &x
, &y
);
4535 check_visibility
= 1;
4539 /* wParam non-zero means Window is about to be shown, 0 means
4540 about to be hidden. */
4541 /* Redo the mouse-highlight after the tooltip has gone. */
4542 if (!msg
.msg
.wParam
&& msg
.msg
.hwnd
== tip_window
)
4545 redo_mouse_highlight ();
4548 /* If window has been obscured or exposed by another window
4549 being maximised or minimised/restored, then recheck
4550 visibility of all frames. Direct changes to our own
4551 windows get handled by WM_SIZE. */
4553 if (msg
.msg
.lParam
!= 0)
4554 check_visibility
= 1;
4557 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4558 f
->async_visible
= msg
.msg
.wParam
;
4562 check_visibility
= 1;
4566 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4568 /* Inform lisp of whether frame has been iconified etc. */
4571 switch (msg
.msg
.wParam
)
4573 case SIZE_MINIMIZED
:
4574 f
->async_visible
= 0;
4575 f
->async_iconified
= 1;
4577 inev
.kind
= ICONIFY_EVENT
;
4578 XSETFRAME (inev
.frame_or_window
, f
);
4581 case SIZE_MAXIMIZED
:
4583 f
->async_visible
= 1;
4584 f
->async_iconified
= 0;
4586 /* wait_reading_process_output will notice this and update
4587 the frame's display structures. */
4588 SET_FRAME_GARBAGED (f
);
4594 /* Reset top and left positions of the Window
4595 here since Windows sends a WM_MOVE message
4596 BEFORE telling us the Window is minimized
4597 when the Window is iconified, with 3000,3000
4599 x_real_positions (f
, &x
, &y
);
4603 inev
.kind
= DEICONIFY_EVENT
;
4604 XSETFRAME (inev
.frame_or_window
, f
);
4606 else if (! NILP (Vframe_list
)
4607 && ! NILP (XCDR (Vframe_list
)))
4608 /* Force a redisplay sooner or later
4609 to update the frame titles
4610 in case this is the second frame. */
4611 record_asynch_buffer_change ();
4616 if (f
&& !f
->async_iconified
&& msg
.msg
.wParam
!= SIZE_MINIMIZED
)
4624 GetClientRect (msg
.msg
.hwnd
, &rect
);
4626 height
= rect
.bottom
- rect
.top
;
4627 width
= rect
.right
- rect
.left
;
4629 rows
= FRAME_PIXEL_HEIGHT_TO_TEXT_LINES (f
, height
);
4630 columns
= FRAME_PIXEL_WIDTH_TO_TEXT_COLS (f
, width
);
4632 /* TODO: Clip size to the screen dimensions. */
4634 /* Even if the number of character rows and columns has
4635 not changed, the font size may have changed, so we need
4636 to check the pixel dimensions as well. */
4638 if (columns
!= FRAME_COLS (f
)
4639 || rows
!= FRAME_LINES (f
)
4640 || width
!= FRAME_PIXEL_WIDTH (f
)
4641 || height
!= FRAME_PIXEL_HEIGHT (f
))
4643 change_frame_size (f
, rows
, columns
, 0, 1, 0);
4644 SET_FRAME_GARBAGED (f
);
4645 cancel_mouse_face (f
);
4646 FRAME_PIXEL_WIDTH (f
) = width
;
4647 FRAME_PIXEL_HEIGHT (f
) = height
;
4648 f
->win_gravity
= NorthWestGravity
;
4652 check_visibility
= 1;
4656 f
= x_any_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4659 if (f
== dpyinfo
->mouse_face_mouse_frame
)
4661 /* If we move outside the frame, then we're
4662 certainly no longer on any text in the frame. */
4663 clear_mouse_face (dpyinfo
);
4664 dpyinfo
->mouse_face_mouse_frame
= 0;
4667 /* Generate a nil HELP_EVENT to cancel a help-echo.
4668 Do it only if there's something to cancel.
4669 Otherwise, the startup message is cleared when
4670 the mouse leaves the frame. */
4671 if (any_help_event_p
)
4677 /* TODO: Port this change:
4678 2002-06-28 Jan D. <jan.h.d@swipnet.se>
4679 * xterm.h (struct x_output): Add focus_state.
4680 * xterm.c (x_focus_changed): New function.
4681 (x_detect_focus_change): New function.
4682 (XTread_socket): Call x_detect_focus_change for FocusIn/FocusOut
4683 EnterNotify and LeaveNotify to track X focus changes.
4685 f
= x_any_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4687 dpyinfo
->w32_focus_event_frame
= f
;
4690 x_new_focus_frame (dpyinfo
, f
);
4693 dpyinfo
->grabbed
= 0;
4694 check_visibility
= 1;
4698 /* TODO: some of this belongs in MOUSE_LEAVE */
4699 f
= x_top_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4703 if (f
== dpyinfo
->w32_focus_event_frame
)
4704 dpyinfo
->w32_focus_event_frame
= 0;
4706 if (f
== dpyinfo
->w32_focus_frame
)
4707 x_new_focus_frame (dpyinfo
, 0);
4709 if (f
== dpyinfo
->mouse_face_mouse_frame
)
4711 /* If we move outside the frame, then we're
4712 certainly no longer on any text in the frame. */
4713 clear_mouse_face (dpyinfo
);
4714 dpyinfo
->mouse_face_mouse_frame
= 0;
4717 /* Generate a nil HELP_EVENT to cancel a help-echo.
4718 Do it only if there's something to cancel.
4719 Otherwise, the startup message is cleared when
4720 the mouse leaves the frame. */
4721 if (any_help_event_p
)
4725 dpyinfo
->grabbed
= 0;
4726 check_visibility
= 1;
4730 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4734 inev
.kind
= DELETE_WINDOW_EVENT
;
4735 XSETFRAME (inev
.frame_or_window
, f
);
4740 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4744 inev
.kind
= MENU_BAR_ACTIVATE_EVENT
;
4745 XSETFRAME (inev
.frame_or_window
, f
);
4750 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4754 extern void menubar_selection_callback
4755 (FRAME_PTR f
, void * client_data
);
4756 menubar_selection_callback (f
, (void *)msg
.msg
.wParam
);
4759 check_visibility
= 1;
4762 case WM_DISPLAYCHANGE
:
4763 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4767 dpyinfo
->width
= (short) LOWORD (msg
.msg
.lParam
);
4768 dpyinfo
->height
= (short) HIWORD (msg
.msg
.lParam
);
4769 dpyinfo
->n_cbits
= msg
.msg
.wParam
;
4770 DebPrint (("display change: %d %d\n", dpyinfo
->width
,
4774 check_visibility
= 1;
4778 /* Check for messages registered at runtime. */
4779 if (msg
.msg
.message
== msh_mousewheel
)
4781 /* Forward MSH_MOUSEWHEEL as WM_MOUSEWHEEL. */
4782 msg
.msg
.message
= WM_MOUSEWHEEL
;
4788 if (inev
.kind
!= NO_EVENT
)
4790 kbd_buffer_store_event_hold (&inev
, hold_quit
);
4795 && !(hold_quit
&& hold_quit
->kind
!= NO_EVENT
))
4800 XSETFRAME (frame
, f
);
4806 if (NILP (help_echo_string
))
4808 help_echo_object
= help_echo_window
= Qnil
;
4812 any_help_event_p
= 1;
4813 gen_help_event (help_echo_string
, frame
, help_echo_window
,
4814 help_echo_object
, help_echo_pos
);
4818 help_echo_string
= Qnil
;
4819 gen_help_event (Qnil
, frame
, Qnil
, Qnil
, 0);
4825 /* If the focus was just given to an autoraising frame,
4827 /* ??? This ought to be able to handle more than one such frame. */
4828 if (pending_autoraise_frame
)
4830 x_raise_frame (pending_autoraise_frame
);
4831 pending_autoraise_frame
= 0;
4834 /* Check which frames are still visisble, if we have enqueued any user
4835 events or been notified of events that may affect visibility. We
4836 do this here because there doesn't seem to be any direct
4837 notification from Windows that the visibility of a window has
4838 changed (at least, not in all cases). */
4839 if (count
> 0 || check_visibility
)
4841 Lisp_Object tail
, frame
;
4843 FOR_EACH_FRAME (tail
, frame
)
4845 FRAME_PTR f
= XFRAME (frame
);
4846 /* The tooltip has been drawn already. Avoid the
4847 SET_FRAME_GARBAGED below. */
4848 if (EQ (frame
, tip_frame
))
4851 /* Check "visible" frames and mark each as obscured or not.
4852 Note that async_visible is nonzero for unobscured and
4853 obscured frames, but zero for hidden and iconified frames. */
4854 if (FRAME_W32_P (f
) && f
->async_visible
)
4860 /* Query clipping rectangle for the entire window area
4861 (GetWindowDC), not just the client portion (GetDC).
4862 Otherwise, the scrollbars and menubar aren't counted as
4863 part of the visible area of the frame, and we may think
4864 the frame is obscured when really a scrollbar is still
4865 visible and gets WM_PAINT messages above. */
4866 hdc
= GetWindowDC (FRAME_W32_WINDOW (f
));
4867 GetClipBox (hdc
, &clipbox
);
4868 ReleaseDC (FRAME_W32_WINDOW (f
), hdc
);
4871 if (clipbox
.right
== clipbox
.left
4872 || clipbox
.bottom
== clipbox
.top
)
4874 /* Frame has become completely obscured so mark as
4875 such (we do this by setting async_visible to 2 so
4876 that FRAME_VISIBLE_P is still true, but redisplay
4878 f
->async_visible
= 2;
4880 if (!FRAME_OBSCURED_P (f
))
4882 DebPrint (("frame %p (%s) obscured\n", f
,
4888 /* Frame is not obscured, so mark it as such. */
4889 f
->async_visible
= 1;
4891 if (FRAME_OBSCURED_P (f
))
4893 SET_FRAME_GARBAGED (f
);
4894 DebPrint (("obscured frame %p (%s) found to be visible\n", f
,
4897 /* Force a redisplay sooner or later. */
4898 record_asynch_buffer_change ();
4912 /***********************************************************************
4914 ***********************************************************************/
4916 /* Set clipping for output in glyph row ROW. W is the window in which
4917 we operate. GC is the graphics context to set clipping in.
4919 ROW may be a text row or, e.g., a mode line. Text rows must be
4920 clipped to the interior of the window dedicated to text display,
4921 mode lines must be clipped to the whole window. */
4924 w32_clip_to_row (w
, row
, hdc
)
4926 struct glyph_row
*row
;
4929 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
4931 int window_y
, window_width
;
4933 window_box (w
, -1, 0, &window_y
, &window_width
, 0);
4935 clip_rect
.left
= WINDOW_TO_FRAME_PIXEL_X (w
, 0);
4936 clip_rect
.top
= WINDOW_TO_FRAME_PIXEL_Y (w
, row
->y
);
4937 clip_rect
.top
= max (clip_rect
.top
, window_y
);
4938 clip_rect
.right
= clip_rect
.left
+ window_width
;
4939 clip_rect
.bottom
= clip_rect
.top
+ row
->visible_height
;
4941 w32_set_clip_rectangle (hdc
, &clip_rect
);
4945 /* Draw a hollow box cursor on window W in glyph row ROW. */
4948 x_draw_hollow_cursor (w
, row
)
4950 struct glyph_row
*row
;
4952 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
4956 struct glyph
*cursor_glyph
;
4957 HBRUSH hb
= CreateSolidBrush (f
->output_data
.w32
->cursor_pixel
);
4959 /* Get the glyph the cursor is on. If we can't tell because
4960 the current matrix is invalid or such, give up. */
4961 cursor_glyph
= get_phys_cursor_glyph (w
);
4962 if (cursor_glyph
== NULL
)
4965 /* Compute frame-relative coordinates from window-relative
4967 rect
.left
= WINDOW_TEXT_TO_FRAME_PIXEL_X (w
, w
->phys_cursor
.x
);
4968 rect
.top
= (WINDOW_TO_FRAME_PIXEL_Y (w
, w
->phys_cursor
.y
)
4969 + row
->ascent
- w
->phys_cursor_ascent
);
4971 /* Compute the proper height and ascent of the rectangle, based
4972 on the actual glyph. Using the full height of the row looks
4973 bad when there are tall images on that row. */
4974 h
= max (min (FRAME_LINE_HEIGHT (f
), row
->height
),
4975 cursor_glyph
->ascent
+ cursor_glyph
->descent
);
4976 if (h
< row
->height
)
4977 rect
.top
+= row
->ascent
/* - w->phys_cursor_ascent */ + cursor_glyph
->descent
- h
;
4980 rect
.bottom
= rect
.top
+ h
;
4982 /* Compute the width of the rectangle to draw. If on a stretch
4983 glyph, and `x-stretch-block-cursor' is nil, don't draw a
4984 rectangle as wide as the glyph, but use a canonical character
4986 wd
= cursor_glyph
->pixel_width
; /* TODO: Why off by one compared with X? */
4987 if (cursor_glyph
->type
== STRETCH_GLYPH
4988 && !x_stretch_cursor_p
)
4989 wd
= min (FRAME_COLUMN_WIDTH (f
), wd
);
4990 w
->phys_cursor_width
= wd
;
4992 rect
.right
= rect
.left
+ wd
;
4993 hdc
= get_frame_dc (f
);
4994 /* Set clipping, draw the rectangle, and reset clipping again. */
4995 w32_clip_to_row (w
, row
, hdc
);
4996 FrameRect (hdc
, &rect
, hb
);
4998 w32_set_clip_rectangle (hdc
, NULL
);
4999 release_frame_dc (f
, hdc
);
5003 /* Draw a bar cursor on window W in glyph row ROW.
5005 Implementation note: One would like to draw a bar cursor with an
5006 angle equal to the one given by the font property XA_ITALIC_ANGLE.
5007 Unfortunately, I didn't find a font yet that has this property set.
5011 x_draw_bar_cursor (w
, row
, width
, kind
)
5013 struct glyph_row
*row
;
5015 enum text_cursor_kinds kind
;
5017 struct frame
*f
= XFRAME (w
->frame
);
5018 struct glyph
*cursor_glyph
;
5022 /* If cursor is out of bounds, don't draw garbage. This can happen
5023 in mini-buffer windows when switching between echo area glyphs
5025 cursor_glyph
= get_phys_cursor_glyph (w
);
5026 if (cursor_glyph
== NULL
)
5029 /* If on an image, draw like a normal cursor. That's usually better
5030 visible than drawing a bar, esp. if the image is large so that
5031 the bar might not be in the window. */
5032 if (cursor_glyph
->type
== IMAGE_GLYPH
)
5034 struct glyph_row
*row
;
5035 row
= MATRIX_ROW (w
->current_matrix
, w
->phys_cursor
.vpos
);
5036 draw_phys_cursor_glyph (w
, row
, DRAW_CURSOR
);
5040 COLORREF cursor_color
= f
->output_data
.w32
->cursor_pixel
;
5041 struct face
*face
= FACE_FROM_ID (f
, cursor_glyph
->face_id
);
5043 /* If the glyph's background equals the color we normally draw
5044 the bar cursor in, the bar cursor in its normal color is
5045 invisible. Use the glyph's foreground color instead in this
5046 case, on the assumption that the glyph's colors are chosen so
5047 that the glyph is legible. */
5048 if (face
->background
== cursor_color
)
5049 cursor_color
= face
->foreground
;
5051 x
= WINDOW_TEXT_TO_FRAME_PIXEL_X (w
, w
->phys_cursor
.x
);
5054 width
= FRAME_CURSOR_WIDTH (f
);
5055 width
= min (cursor_glyph
->pixel_width
, width
);
5057 w
->phys_cursor_width
= width
;
5060 hdc
= get_frame_dc (f
);
5061 w32_clip_to_row (w
, row
, hdc
);
5063 if (kind
== BAR_CURSOR
)
5065 w32_fill_area (f
, hdc
, cursor_color
, x
,
5066 WINDOW_TO_FRAME_PIXEL_Y (w
, w
->phys_cursor
.y
),
5067 width
, row
->height
);
5071 w32_fill_area (f
, hdc
, cursor_color
, x
,
5072 WINDOW_TO_FRAME_PIXEL_Y (w
, w
->phys_cursor
.y
+
5073 row
->height
- width
),
5074 cursor_glyph
->pixel_width
, width
);
5077 w32_set_clip_rectangle (hdc
, NULL
);
5078 release_frame_dc (f
, hdc
);
5083 /* RIF: Define cursor CURSOR on frame F. */
5086 w32_define_frame_cursor (f
, cursor
)
5090 w32_define_cursor (FRAME_W32_WINDOW (f
), cursor
);
5094 /* RIF: Clear area on frame F. */
5097 w32_clear_frame_area (f
, x
, y
, width
, height
)
5099 int x
, y
, width
, height
;
5103 hdc
= get_frame_dc (f
);
5104 w32_clear_area (f
, hdc
, x
, y
, width
, height
);
5105 release_frame_dc (f
, hdc
);
5108 /* RIF: Draw or clear cursor on window W. */
5111 w32_draw_window_cursor (w
, glyph_row
, x
, y
, cursor_type
, cursor_width
, on_p
, active_p
)
5113 struct glyph_row
*glyph_row
;
5115 int cursor_type
, cursor_width
;
5120 /* If the user wants to use the system caret, make sure our own
5121 cursor remains invisible. */
5122 if (w32_use_visible_system_caret
)
5124 /* Call to erase_phys_cursor here seems to use the
5125 wrong values of w->phys_cursor, as they have been
5126 overwritten before this function was called. */
5127 if (w
->phys_cursor_type
!= NO_CURSOR
)
5128 erase_phys_cursor (w
);
5130 cursor_type
= w
->phys_cursor_type
= NO_CURSOR
;
5131 w
->phys_cursor_width
= -1;
5135 w
->phys_cursor_type
= cursor_type
;
5138 w
->phys_cursor_on_p
= 1;
5140 /* If this is the active cursor, we need to track it with the
5141 system caret, so third party software like screen magnifiers
5142 and speech synthesizers can follow the cursor. */
5145 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
5146 HWND hwnd
= FRAME_W32_WINDOW (f
);
5149 = WINDOW_TEXT_TO_FRAME_PIXEL_X (w
, w
->phys_cursor
.x
);
5151 = (WINDOW_TO_FRAME_PIXEL_Y (w
, w
->phys_cursor
.y
)
5152 + glyph_row
->ascent
- w
->phys_cursor_ascent
);
5154 /* If the size of the active cursor changed, destroy the old
5156 if (w32_system_caret_hwnd
5157 && (w32_system_caret_height
!= w
->phys_cursor_height
))
5158 PostMessage (hwnd
, WM_EMACS_DESTROY_CARET
, 0, 0);
5160 w32_system_caret_height
= w
->phys_cursor_height
;
5162 /* Move the system caret. */
5163 PostMessage (hwnd
, WM_EMACS_TRACK_CARET
, 0, 0);
5166 if (glyph_row
->exact_window_width_line_p
5167 && w
->phys_cursor
.hpos
>= glyph_row
->used
[TEXT_AREA
])
5169 glyph_row
->cursor_in_fringe_p
= 1;
5170 draw_fringe_bitmap (w
, glyph_row
, 0);
5174 switch (cursor_type
)
5176 case HOLLOW_BOX_CURSOR
:
5177 x_draw_hollow_cursor (w
, glyph_row
);
5180 case FILLED_BOX_CURSOR
:
5181 draw_phys_cursor_glyph (w
, glyph_row
, DRAW_CURSOR
);
5185 x_draw_bar_cursor (w
, glyph_row
, cursor_width
, BAR_CURSOR
);
5189 x_draw_bar_cursor (w
, glyph_row
, cursor_width
, HBAR_CURSOR
);
5193 w
->phys_cursor_width
= 0;
5207 x_bitmap_icon (f
, icon
)
5213 if (FRAME_W32_WINDOW (f
) == 0)
5217 hicon
= LoadIcon (hinst
, EMACS_CLASS
);
5218 else if (STRINGP (icon
))
5219 hicon
= LoadImage (NULL
, (LPCTSTR
) SDATA (icon
), IMAGE_ICON
, 0, 0,
5220 LR_DEFAULTSIZE
| LR_LOADFROMFILE
);
5221 else if (SYMBOLP (icon
))
5225 if (EQ (icon
, intern ("application")))
5226 name
= (LPCTSTR
) IDI_APPLICATION
;
5227 else if (EQ (icon
, intern ("hand")))
5228 name
= (LPCTSTR
) IDI_HAND
;
5229 else if (EQ (icon
, intern ("question")))
5230 name
= (LPCTSTR
) IDI_QUESTION
;
5231 else if (EQ (icon
, intern ("exclamation")))
5232 name
= (LPCTSTR
) IDI_EXCLAMATION
;
5233 else if (EQ (icon
, intern ("asterisk")))
5234 name
= (LPCTSTR
) IDI_ASTERISK
;
5235 else if (EQ (icon
, intern ("winlogo")))
5236 name
= (LPCTSTR
) IDI_WINLOGO
;
5240 hicon
= LoadIcon (NULL
, name
);
5248 PostMessage (FRAME_W32_WINDOW (f
), WM_SETICON
, (WPARAM
) ICON_BIG
,
5255 /************************************************************************
5257 ************************************************************************/
5259 /* Display Error Handling functions not used on W32. Listing them here
5260 helps diff stay in step when comparing w32term.c with xterm.c.
5262 x_error_catcher (display, error)
5263 x_catch_errors (dpy)
5264 x_catch_errors_unwind (old_val)
5265 x_check_errors (dpy, format)
5266 x_had_errors_p (dpy)
5267 x_clear_errors (dpy)
5268 x_uncatch_errors (dpy, count)
5270 x_connection_signal (signalnum)
5271 x_connection_closed (dpy, error_message)
5272 x_error_quitter (display, error)
5273 x_error_handler (display, error)
5274 x_io_error_quitter (display)
5279 /* Changing the font of the frame. */
5281 /* Give frame F the font named FONTNAME as its default font, and
5282 return the full name of that font. FONTNAME may be a wildcard
5283 pattern; in that case, we choose some font that fits the pattern.
5284 The return value shows which font we chose. */
5287 x_new_font (f
, fontname
)
5289 register char *fontname
;
5291 struct font_info
*fontp
5292 = FS_LOAD_FONT (f
, 0, fontname
, -1);
5297 FRAME_FONT (f
) = (XFontStruct
*) (fontp
->font
);
5298 FRAME_BASELINE_OFFSET (f
) = fontp
->baseline_offset
;
5299 FRAME_FONTSET (f
) = -1;
5301 FRAME_COLUMN_WIDTH (f
) = FONT_WIDTH (FRAME_FONT (f
));
5302 FRAME_LINE_HEIGHT (f
) = FONT_HEIGHT (FRAME_FONT (f
));
5304 compute_fringe_widths (f
, 1);
5306 /* Compute the scroll bar width in character columns. */
5307 if (FRAME_CONFIG_SCROLL_BAR_WIDTH (f
) > 0)
5309 int wid
= FRAME_COLUMN_WIDTH (f
);
5310 FRAME_CONFIG_SCROLL_BAR_COLS (f
)
5311 = (FRAME_CONFIG_SCROLL_BAR_WIDTH (f
) + wid
-1) / wid
;
5315 int wid
= FRAME_COLUMN_WIDTH (f
);
5316 FRAME_CONFIG_SCROLL_BAR_COLS (f
) = (14 + wid
- 1) / wid
;
5319 /* Now make the frame display the given font. */
5320 if (FRAME_W32_WINDOW (f
) != 0)
5322 if (NILP (tip_frame
) || XFRAME (tip_frame
) != f
)
5323 x_set_window_size (f
, 0, FRAME_COLS (f
), FRAME_LINES (f
));
5326 return build_string (fontp
->full_name
);
5329 /* Give frame F the fontset named FONTSETNAME as its default font, and
5330 return the full name of that fontset. FONTSETNAME may be a wildcard
5331 pattern; in that case, we choose some fontset that fits the pattern.
5332 The return value shows which fontset we chose. */
5335 x_new_fontset (f
, fontsetname
)
5339 int fontset
= fs_query_fontset (build_string (fontsetname
), 0);
5345 if (FRAME_FONTSET (f
) == fontset
)
5346 /* This fontset is already set in frame F. There's nothing more
5348 return fontset_name (fontset
);
5350 result
= x_new_font (f
, (SDATA (fontset_ascii (fontset
))));
5352 if (!STRINGP (result
))
5353 /* Can't load ASCII font. */
5356 /* Since x_new_font doesn't update any fontset information, do it now. */
5357 FRAME_FONTSET(f
) = fontset
;
5359 return build_string (fontsetname
);
5363 /***********************************************************************
5364 TODO: W32 Input Methods
5365 ***********************************************************************/
5366 /* Listing missing functions from xterm.c helps diff stay in step.
5368 xim_destroy_callback (xim, client_data, call_data)
5369 xim_open_dpy (dpyinfo, resource_name)
5371 xim_instantiate_callback (display, client_data, call_data)
5372 xim_initialize (dpyinfo, resource_name)
5373 xim_close_dpy (dpyinfo)
5378 /* Calculate the absolute position in frame F
5379 from its current recorded position values and gravity. */
5382 x_calc_absolute_position (f
)
5386 int flags
= f
->size_hint_flags
;
5390 /* Find the position of the outside upper-left corner of
5391 the inner window, with respect to the outer window.
5392 But do this only if we will need the results. */
5393 if (f
->output_data
.w32
->parent_desc
!= FRAME_W32_DISPLAY_INFO (f
)->root_window
)
5396 MapWindowPoints (FRAME_W32_WINDOW (f
),
5397 f
->output_data
.w32
->parent_desc
,
5404 rt
.left
= rt
.right
= rt
.top
= rt
.bottom
= 0;
5407 AdjustWindowRect(&rt
, f
->output_data
.w32
->dwStyle
,
5408 FRAME_EXTERNAL_MENU_BAR (f
));
5411 pt
.x
+= (rt
.right
- rt
.left
);
5412 pt
.y
+= (rt
.bottom
- rt
.top
);
5415 /* Treat negative positions as relative to the leftmost bottommost
5416 position that fits on the screen. */
5417 if (flags
& XNegative
)
5418 f
->left_pos
= (FRAME_W32_DISPLAY_INFO (f
)->width
5419 - 2 * f
->border_width
- pt
.x
5420 - FRAME_PIXEL_WIDTH (f
)
5423 if (flags
& YNegative
)
5424 f
->top_pos
= (FRAME_W32_DISPLAY_INFO (f
)->height
5425 - 2 * f
->border_width
- pt
.y
5426 - FRAME_PIXEL_HEIGHT (f
)
5428 /* The left_pos and top_pos
5429 are now relative to the top and left screen edges,
5430 so the flags should correspond. */
5431 f
->size_hint_flags
&= ~ (XNegative
| YNegative
);
5434 /* CHANGE_GRAVITY is 1 when calling from Fset_frame_position,
5435 to really change the position, and 0 when calling from
5436 x_make_frame_visible (in that case, XOFF and YOFF are the current
5437 position values). It is -1 when calling from x_set_frame_parameters,
5438 which means, do adjust for borders but don't change the gravity. */
5441 x_set_offset (f
, xoff
, yoff
, change_gravity
)
5443 register int xoff
, yoff
;
5446 int modified_top
, modified_left
;
5448 if (change_gravity
> 0)
5452 f
->size_hint_flags
&= ~ (XNegative
| YNegative
);
5454 f
->size_hint_flags
|= XNegative
;
5456 f
->size_hint_flags
|= YNegative
;
5457 f
->win_gravity
= NorthWestGravity
;
5459 x_calc_absolute_position (f
);
5462 x_wm_set_size_hint (f
, (long) 0, 0);
5464 modified_left
= f
->left_pos
;
5465 modified_top
= f
->top_pos
;
5467 my_set_window_pos (FRAME_W32_WINDOW (f
),
5469 modified_left
, modified_top
,
5471 SWP_NOZORDER
| SWP_NOSIZE
| SWP_NOACTIVATE
);
5476 /* Check if we need to resize the frame due to a fullscreen request.
5477 If so needed, resize the frame. */
5479 x_check_fullscreen (f
)
5482 if (f
->want_fullscreen
& FULLSCREEN_BOTH
)
5484 int width
, height
, ign
;
5486 x_real_positions (f
, &f
->left_pos
, &f
->top_pos
);
5488 x_fullscreen_adjust (f
, &width
, &height
, &ign
, &ign
);
5490 /* We do not need to move the window, it shall be taken care of
5491 when setting WM manager hints. */
5492 if (FRAME_COLS (f
) != width
|| FRAME_LINES (f
) != height
)
5494 change_frame_size (f
, height
, width
, 0, 1, 0);
5495 SET_FRAME_GARBAGED (f
);
5496 cancel_mouse_face (f
);
5498 /* Wait for the change of frame size to occur */
5499 f
->want_fullscreen
|= FULLSCREEN_WAIT
;
5504 /* Call this to change the size of frame F's x-window.
5505 If CHANGE_GRAVITY is 1, we change to top-left-corner window gravity
5506 for this size change and subsequent size changes.
5507 Otherwise we leave the window gravity unchanged. */
5510 x_set_window_size (f
, change_gravity
, cols
, rows
)
5515 int pixelwidth
, pixelheight
;
5519 check_frame_size (f
, &rows
, &cols
);
5520 f
->scroll_bar_actual_width
5521 = FRAME_SCROLL_BAR_COLS (f
) * FRAME_COLUMN_WIDTH (f
);
5523 compute_fringe_widths (f
, 0);
5525 pixelwidth
= FRAME_TEXT_COLS_TO_PIXEL_WIDTH (f
, cols
);
5526 pixelheight
= FRAME_TEXT_LINES_TO_PIXEL_HEIGHT (f
, rows
);
5528 f
->win_gravity
= NorthWestGravity
;
5529 x_wm_set_size_hint (f
, (long) 0, 0);
5534 rect
.left
= rect
.top
= 0;
5535 rect
.right
= pixelwidth
;
5536 rect
.bottom
= pixelheight
;
5538 AdjustWindowRect(&rect
, f
->output_data
.w32
->dwStyle
,
5539 FRAME_EXTERNAL_MENU_BAR (f
));
5541 my_set_window_pos (FRAME_W32_WINDOW (f
),
5544 rect
.right
- rect
.left
,
5545 rect
.bottom
- rect
.top
,
5546 SWP_NOZORDER
| SWP_NOMOVE
| SWP_NOACTIVATE
);
5549 /* Now, strictly speaking, we can't be sure that this is accurate,
5550 but the window manager will get around to dealing with the size
5551 change request eventually, and we'll hear how it went when the
5552 ConfigureNotify event gets here.
5554 We could just not bother storing any of this information here,
5555 and let the ConfigureNotify event set everything up, but that
5556 might be kind of confusing to the Lisp code, since size changes
5557 wouldn't be reported in the frame parameters until some random
5558 point in the future when the ConfigureNotify event arrives.
5560 We pass 1 for DELAY since we can't run Lisp code inside of
5562 change_frame_size (f
, rows
, cols
, 0, 1, 0);
5563 FRAME_PIXEL_WIDTH (f
) = pixelwidth
;
5564 FRAME_PIXEL_HEIGHT (f
) = pixelheight
;
5566 /* We've set {FRAME,PIXEL}_{WIDTH,HEIGHT} to the values we hope to
5567 receive in the ConfigureNotify event; if we get what we asked
5568 for, then the event won't cause the screen to become garbaged, so
5569 we have to make sure to do it here. */
5570 SET_FRAME_GARBAGED (f
);
5572 /* If cursor was outside the new size, mark it as off. */
5573 mark_window_cursors_off (XWINDOW (f
->root_window
));
5575 /* Clear out any recollection of where the mouse highlighting was,
5576 since it might be in a place that's outside the new frame size.
5577 Actually checking whether it is outside is a pain in the neck,
5578 so don't try--just let the highlighting be done afresh with new size. */
5579 cancel_mouse_face (f
);
5584 /* Mouse warping. */
5586 void x_set_mouse_pixel_position (struct frame
*f
, int pix_x
, int pix_y
);
5589 x_set_mouse_position (f
, x
, y
)
5595 pix_x
= FRAME_COL_TO_PIXEL_X (f
, x
) + FRAME_COLUMN_WIDTH (f
) / 2;
5596 pix_y
= FRAME_LINE_TO_PIXEL_Y (f
, y
) + FRAME_LINE_HEIGHT (f
) / 2;
5598 if (pix_x
< 0) pix_x
= 0;
5599 if (pix_x
> FRAME_PIXEL_WIDTH (f
)) pix_x
= FRAME_PIXEL_WIDTH (f
);
5601 if (pix_y
< 0) pix_y
= 0;
5602 if (pix_y
> FRAME_PIXEL_HEIGHT (f
)) pix_y
= FRAME_PIXEL_HEIGHT (f
);
5604 x_set_mouse_pixel_position (f
, pix_x
, pix_y
);
5608 x_set_mouse_pixel_position (f
, pix_x
, pix_y
)
5617 GetClientRect (FRAME_W32_WINDOW (f
), &rect
);
5618 pt
.x
= rect
.left
+ pix_x
;
5619 pt
.y
= rect
.top
+ pix_y
;
5620 ClientToScreen (FRAME_W32_WINDOW (f
), &pt
);
5622 SetCursorPos (pt
.x
, pt
.y
);
5628 /* focus shifting, raising and lowering. */
5631 x_focus_on_frame (f
)
5634 struct w32_display_info
*dpyinfo
= &one_w32_display_info
;
5636 /* Give input focus to frame. */
5639 /* Try not to change its Z-order if possible. */
5640 if (x_window_to_frame (dpyinfo
, GetForegroundWindow ()))
5641 my_set_focus (f
, FRAME_W32_WINDOW (f
));
5644 my_set_foreground_window (FRAME_W32_WINDOW (f
));
5654 /* Raise frame F. */
5661 /* Strictly speaking, raise-frame should only change the frame's Z
5662 order, leaving input focus unchanged. This is reasonable behaviour
5663 on X where the usual policy is point-to-focus. However, this
5664 behaviour would be very odd on Windows where the usual policy is
5667 On X, if the mouse happens to be over the raised frame, it gets
5668 input focus anyway (so the window with focus will never be
5669 completely obscured) - if not, then just moving the mouse over it
5670 is sufficient to give it focus. On Windows, the user must actually
5671 click on the frame (preferrably the title bar so as not to move
5672 point), which is more awkward. Also, no other Windows program
5673 raises a window to the top but leaves another window (possibly now
5674 completely obscured) with input focus.
5676 Because there is a system setting on Windows that allows the user
5677 to choose the point to focus policy, we make the strict semantics
5678 optional, but by default we grab focus when raising. */
5680 if (NILP (Vw32_grab_focus_on_raise
))
5682 /* The obvious call to my_set_window_pos doesn't work if Emacs is
5683 not already the foreground application: the frame is raised
5684 above all other frames belonging to us, but not above the
5685 current top window. To achieve that, we have to resort to this
5686 more cumbersome method. */
5688 HDWP handle
= BeginDeferWindowPos (2);
5691 DeferWindowPos (handle
,
5692 FRAME_W32_WINDOW (f
),
5695 SWP_NOSIZE
| SWP_NOMOVE
| SWP_NOACTIVATE
);
5697 DeferWindowPos (handle
,
5698 GetForegroundWindow (),
5699 FRAME_W32_WINDOW (f
),
5701 SWP_NOSIZE
| SWP_NOMOVE
| SWP_NOACTIVATE
);
5703 EndDeferWindowPos (handle
);
5708 my_set_foreground_window (FRAME_W32_WINDOW (f
));
5714 /* Lower frame F. */
5720 my_set_window_pos (FRAME_W32_WINDOW (f
),
5723 SWP_NOSIZE
| SWP_NOMOVE
| SWP_NOACTIVATE
);
5728 w32_frame_raise_lower (f
, raise_flag
)
5732 if (! FRAME_W32_P (f
))
5741 /* Change of visibility. */
5743 /* This tries to wait until the frame is really visible.
5744 However, if the window manager asks the user where to position
5745 the frame, this will return before the user finishes doing that.
5746 The frame will not actually be visible at that time,
5747 but it will become visible later when the window manager
5748 finishes with it. */
5751 x_make_frame_visible (f
)
5758 type
= x_icon_type (f
);
5760 x_bitmap_icon (f
, type
);
5762 if (! FRAME_VISIBLE_P (f
))
5764 /* We test FRAME_GARBAGED_P here to make sure we don't
5765 call x_set_offset a second time
5766 if we get to x_make_frame_visible a second time
5767 before the window gets really visible. */
5768 if (! FRAME_ICONIFIED_P (f
)
5769 && ! f
->output_data
.w32
->asked_for_visible
)
5770 x_set_offset (f
, f
->left_pos
, f
->top_pos
, 0);
5772 f
->output_data
.w32
->asked_for_visible
= 1;
5774 /* my_show_window (f, FRAME_W32_WINDOW (f), f->async_iconified ? SW_RESTORE : SW_SHOW); */
5775 my_show_window (f
, FRAME_W32_WINDOW (f
), SW_SHOWNORMAL
);
5778 /* Synchronize to ensure Emacs knows the frame is visible
5779 before we do anything else. We do this loop with input not blocked
5780 so that incoming events are handled. */
5785 /* This must come after we set COUNT. */
5788 XSETFRAME (frame
, f
);
5790 /* Wait until the frame is visible. Process X events until a
5791 MapNotify event has been seen, or until we think we won't get a
5792 MapNotify at all.. */
5793 for (count
= input_signal_count
+ 10;
5794 input_signal_count
< count
&& !FRAME_VISIBLE_P (f
);)
5796 /* Force processing of queued events. */
5797 /* TODO: x_sync equivalent? */
5799 /* Machines that do polling rather than SIGIO have been observed
5800 to go into a busy-wait here. So we'll fake an alarm signal
5801 to let the handler know that there's something to be read.
5802 We used to raise a real alarm, but it seems that the handler
5803 isn't always enabled here. This is probably a bug. */
5804 if (input_polling_used ())
5806 /* It could be confusing if a real alarm arrives while processing
5807 the fake one. Turn it off and let the handler reset it. */
5808 int old_poll_suppress_count
= poll_suppress_count
;
5809 poll_suppress_count
= 1;
5810 poll_for_input_1 ();
5811 poll_suppress_count
= old_poll_suppress_count
;
5814 FRAME_SAMPLE_VISIBILITY (f
);
5818 /* Change from mapped state to withdrawn state. */
5820 /* Make the frame visible (mapped and not iconified). */
5822 x_make_frame_invisible (f
)
5825 /* Don't keep the highlight on an invisible frame. */
5826 if (FRAME_W32_DISPLAY_INFO (f
)->x_highlight_frame
== f
)
5827 FRAME_W32_DISPLAY_INFO (f
)->x_highlight_frame
= 0;
5831 my_show_window (f
, FRAME_W32_WINDOW (f
), SW_HIDE
);
5833 /* We can't distinguish this from iconification
5834 just by the event that we get from the server.
5835 So we can't win using the usual strategy of letting
5836 FRAME_SAMPLE_VISIBILITY set this. So do it by hand,
5837 and synchronize with the server to make sure we agree. */
5839 FRAME_ICONIFIED_P (f
) = 0;
5840 f
->async_visible
= 0;
5841 f
->async_iconified
= 0;
5846 /* Change window state from mapped to iconified. */
5854 /* Don't keep the highlight on an invisible frame. */
5855 if (FRAME_W32_DISPLAY_INFO (f
)->x_highlight_frame
== f
)
5856 FRAME_W32_DISPLAY_INFO (f
)->x_highlight_frame
= 0;
5858 if (f
->async_iconified
)
5863 type
= x_icon_type (f
);
5865 x_bitmap_icon (f
, type
);
5867 /* Simulate the user minimizing the frame. */
5868 SendMessage (FRAME_W32_WINDOW (f
), WM_SYSCOMMAND
, SC_MINIMIZE
, 0);
5874 /* Free X resources of frame F. */
5877 x_free_frame_resources (f
)
5880 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
5884 if (FRAME_W32_WINDOW (f
))
5885 my_destroy_window (f
, FRAME_W32_WINDOW (f
));
5887 free_frame_menubar (f
);
5889 unload_color (f
, f
->output_data
.x
->foreground_pixel
);
5890 unload_color (f
, f
->output_data
.x
->background_pixel
);
5891 unload_color (f
, f
->output_data
.w32
->cursor_pixel
);
5892 unload_color (f
, f
->output_data
.w32
->cursor_foreground_pixel
);
5893 unload_color (f
, f
->output_data
.w32
->border_pixel
);
5894 unload_color (f
, f
->output_data
.w32
->mouse_pixel
);
5895 if (f
->output_data
.w32
->white_relief
.allocated_p
)
5896 unload_color (f
, f
->output_data
.w32
->white_relief
.pixel
);
5897 if (f
->output_data
.w32
->black_relief
.allocated_p
)
5898 unload_color (f
, f
->output_data
.w32
->black_relief
.pixel
);
5900 if (FRAME_FACE_CACHE (f
))
5901 free_frame_faces (f
);
5903 xfree (f
->output_data
.w32
);
5904 f
->output_data
.w32
= NULL
;
5906 if (f
== dpyinfo
->w32_focus_frame
)
5907 dpyinfo
->w32_focus_frame
= 0;
5908 if (f
== dpyinfo
->w32_focus_event_frame
)
5909 dpyinfo
->w32_focus_event_frame
= 0;
5910 if (f
== dpyinfo
->x_highlight_frame
)
5911 dpyinfo
->x_highlight_frame
= 0;
5913 if (f
== dpyinfo
->mouse_face_mouse_frame
)
5915 dpyinfo
->mouse_face_beg_row
5916 = dpyinfo
->mouse_face_beg_col
= -1;
5917 dpyinfo
->mouse_face_end_row
5918 = dpyinfo
->mouse_face_end_col
= -1;
5919 dpyinfo
->mouse_face_window
= Qnil
;
5920 dpyinfo
->mouse_face_deferred_gc
= 0;
5921 dpyinfo
->mouse_face_mouse_frame
= 0;
5928 /* Destroy the window of frame F. */
5930 x_destroy_window (f
)
5933 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
5935 x_free_frame_resources (f
);
5937 dpyinfo
->reference_count
--;
5941 /* Setting window manager hints. */
5943 /* Set the normal size hints for the window manager, for frame F.
5944 FLAGS is the flags word to use--or 0 meaning preserve the flags
5945 that the window now has.
5946 If USER_POSITION is nonzero, we set the USPosition
5947 flag (this is useful when FLAGS is 0). */
5949 x_wm_set_size_hint (f
, flags
, user_position
)
5954 Window window
= FRAME_W32_WINDOW (f
);
5958 SetWindowLong (window
, WND_FONTWIDTH_INDEX
, FRAME_COLUMN_WIDTH (f
));
5959 SetWindowLong (window
, WND_LINEHEIGHT_INDEX
, FRAME_LINE_HEIGHT (f
));
5960 SetWindowLong (window
, WND_BORDER_INDEX
, FRAME_INTERNAL_BORDER_WIDTH (f
));
5961 SetWindowLong (window
, WND_SCROLLBAR_INDEX
, f
->scroll_bar_actual_width
);
5966 /* Window manager things */
5968 x_wm_set_icon_position (f
, icon_x
, icon_y
)
5973 Window window
= FRAME_W32_WINDOW (f
);
5975 f
->display
.x
->wm_hints
.flags
|= IconPositionHint
;
5976 f
->display
.x
->wm_hints
.icon_x
= icon_x
;
5977 f
->display
.x
->wm_hints
.icon_y
= icon_y
;
5979 XSetWMHints (FRAME_X_DISPLAY (f
), window
, &f
->display
.x
->wm_hints
);
5984 /***********************************************************************
5986 ***********************************************************************/
5988 /* The following functions are listed here to help diff stay in step
5989 with xterm.c. See w32fns.c for definitions.
5991 x_get_font_info (f, font_idx)
5992 x_list_fonts (f, pattern, size, maxnames)
5998 /* Check that FONT is valid on frame F. It is if it can be found in F's
6002 x_check_font (f
, font
)
6007 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
6009 xassert (font
!= NULL
);
6011 for (i
= 0; i
< dpyinfo
->n_fonts
; i
++)
6012 if (dpyinfo
->font_table
[i
].name
6013 && font
== dpyinfo
->font_table
[i
].font
)
6016 xassert (i
< dpyinfo
->n_fonts
);
6019 #endif /* GLYPH_DEBUG != 0 */
6021 /* Set *W to the minimum width, *H to the minimum font height of FONT.
6022 Note: There are (broken) X fonts out there with invalid XFontStruct
6023 min_bounds contents. For example, handa@etl.go.jp reports that
6024 "-adobe-courier-medium-r-normal--*-180-*-*-m-*-iso8859-1" fonts
6025 have font->min_bounds.width == 0. */
6028 x_font_min_bounds (font
, w
, h
)
6033 * TODO: Windows does not appear to offer min bound, only
6034 * average and maximum width, and maximum height.
6036 *h
= FONT_HEIGHT (font
);
6037 *w
= FONT_WIDTH (font
);
6041 /* Compute the smallest character width and smallest font height over
6042 all fonts available on frame F. Set the members smallest_char_width
6043 and smallest_font_height in F's x_display_info structure to
6044 the values computed. Value is non-zero if smallest_font_height or
6045 smallest_char_width become smaller than they were before. */
6048 x_compute_min_glyph_bounds (f
)
6052 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
6054 int old_width
= dpyinfo
->smallest_char_width
;
6055 int old_height
= dpyinfo
->smallest_font_height
;
6057 dpyinfo
->smallest_font_height
= 100000;
6058 dpyinfo
->smallest_char_width
= 100000;
6060 for (i
= 0; i
< dpyinfo
->n_fonts
; ++i
)
6061 if (dpyinfo
->font_table
[i
].name
)
6063 struct font_info
*fontp
= dpyinfo
->font_table
+ i
;
6066 font
= (XFontStruct
*) fontp
->font
;
6067 xassert (font
!= (XFontStruct
*) ~0);
6068 x_font_min_bounds (font
, &w
, &h
);
6070 dpyinfo
->smallest_font_height
= min (dpyinfo
->smallest_font_height
, h
);
6071 dpyinfo
->smallest_char_width
= min (dpyinfo
->smallest_char_width
, w
);
6074 xassert (dpyinfo
->smallest_char_width
> 0
6075 && dpyinfo
->smallest_font_height
> 0);
6077 return (dpyinfo
->n_fonts
== 1
6078 || dpyinfo
->smallest_char_width
< old_width
6079 || dpyinfo
->smallest_font_height
< old_height
);
6082 /* The following functions are listed here to help diff stay in step
6083 with xterm.c. See w32fns.c for definitions.
6085 x_load_font (f, fontname, size)
6086 x_query_font (f, fontname)
6087 x_find_ccl_program (fontp)
6091 /***********************************************************************
6093 ***********************************************************************/
6095 static int w32_initialized
= 0;
6098 w32_initialize_display_info (display_name
)
6099 Lisp_Object display_name
;
6101 struct w32_display_info
*dpyinfo
= &one_w32_display_info
;
6103 bzero (dpyinfo
, sizeof (*dpyinfo
));
6105 /* Put it on w32_display_name_list. */
6106 w32_display_name_list
= Fcons (Fcons (display_name
, Qnil
),
6107 w32_display_name_list
);
6108 dpyinfo
->name_list_element
= XCAR (w32_display_name_list
);
6110 dpyinfo
->w32_id_name
6111 = (char *) xmalloc (SCHARS (Vinvocation_name
)
6112 + SCHARS (Vsystem_name
)
6114 sprintf (dpyinfo
->w32_id_name
, "%s@%s",
6115 SDATA (Vinvocation_name
), SDATA (Vsystem_name
));
6117 /* Default Console mode values - overridden when running in GUI mode
6118 with values obtained from system metrics. */
6121 dpyinfo
->height_in
= 1;
6122 dpyinfo
->width_in
= 1;
6123 dpyinfo
->n_planes
= 1;
6124 dpyinfo
->n_cbits
= 4;
6125 dpyinfo
->n_fonts
= 0;
6126 dpyinfo
->smallest_font_height
= 1;
6127 dpyinfo
->smallest_char_width
= 1;
6129 dpyinfo
->mouse_face_beg_row
= dpyinfo
->mouse_face_beg_col
= -1;
6130 dpyinfo
->mouse_face_end_row
= dpyinfo
->mouse_face_end_col
= -1;
6131 dpyinfo
->mouse_face_face_id
= DEFAULT_FACE_ID
;
6132 dpyinfo
->mouse_face_window
= Qnil
;
6133 dpyinfo
->mouse_face_overlay
= Qnil
;
6134 dpyinfo
->mouse_face_hidden
= 0;
6136 dpyinfo
->vertical_scroll_bar_cursor
= w32_load_cursor (IDC_ARROW
);
6137 /* TODO: dpyinfo->gray */
6141 /* Create an xrdb-style database of resources to supercede registry settings.
6142 The database is just a concatenation of C strings, finished by an additional
6143 \0. The string are submitted to some basic normalization, so
6145 [ *]option[ *]:[ *]value...
6151 but any whitespace following value is not removed. */
6154 w32_make_rdb (xrm_option
)
6157 char *buffer
= xmalloc (strlen (xrm_option
) + 2);
6158 char *current
= buffer
;
6161 int before_value
= 0;
6175 if (in_option
&& (ch
== ':'))
6180 else if (before_value
)
6185 else if (!(in_option
|| before_value
))
6196 struct w32_display_info
*
6197 w32_term_init (display_name
, xrm_option
, resource_name
)
6198 Lisp_Object display_name
;
6200 char *resource_name
;
6202 struct w32_display_info
*dpyinfo
;
6207 if (!w32_initialized
)
6210 w32_initialized
= 1;
6213 w32_initialize_display_info (display_name
);
6215 dpyinfo
= &one_w32_display_info
;
6217 dpyinfo
->xrdb
= xrm_option
? w32_make_rdb (xrm_option
) : NULL
;
6219 /* Put this display on the chain. */
6220 dpyinfo
->next
= x_display_list
;
6221 x_display_list
= dpyinfo
;
6223 hdc
= GetDC (GetDesktopWindow ());
6225 dpyinfo
->height
= GetDeviceCaps (hdc
, VERTRES
);
6226 dpyinfo
->width
= GetDeviceCaps (hdc
, HORZRES
);
6227 dpyinfo
->root_window
= GetDesktopWindow ();
6228 dpyinfo
->n_planes
= GetDeviceCaps (hdc
, PLANES
);
6229 dpyinfo
->n_cbits
= GetDeviceCaps (hdc
, BITSPIXEL
);
6230 dpyinfo
->resx
= GetDeviceCaps (hdc
, LOGPIXELSX
);
6231 dpyinfo
->resy
= GetDeviceCaps (hdc
, LOGPIXELSY
);
6232 dpyinfo
->has_palette
= GetDeviceCaps (hdc
, RASTERCAPS
) & RC_PALETTE
;
6233 dpyinfo
->image_cache
= make_image_cache ();
6234 dpyinfo
->height_in
= dpyinfo
->height
/ dpyinfo
->resx
;
6235 dpyinfo
->width_in
= dpyinfo
->width
/ dpyinfo
->resy
;
6236 ReleaseDC (GetDesktopWindow (), hdc
);
6238 /* initialise palette with white and black */
6241 w32_defined_color (0, "white", &color
, 1);
6242 w32_defined_color (0, "black", &color
, 1);
6245 /* Create Fringe Bitmaps and store them for later use.
6247 On W32, bitmaps are all unsigned short, as Windows requires
6248 bitmap data to be Word aligned. For some reason they are
6249 horizontally reflected compared to how they appear on X, so we
6250 need to bitswap and convert to unsigned shorts before creating
6254 #ifndef F_SETOWN_BUG
6256 #ifdef F_SETOWN_SOCK_NEG
6257 /* stdin is a socket here */
6258 fcntl (connection
, F_SETOWN
, -getpid ());
6259 #else /* ! defined (F_SETOWN_SOCK_NEG) */
6260 fcntl (connection
, F_SETOWN
, getpid ());
6261 #endif /* ! defined (F_SETOWN_SOCK_NEG) */
6262 #endif /* ! defined (F_SETOWN) */
6263 #endif /* F_SETOWN_BUG */
6266 if (interrupt_input
)
6267 init_sigio (connection
);
6268 #endif /* ! defined (SIGIO) */
6275 /* Get rid of display DPYINFO, assuming all frames are already gone. */
6278 x_delete_display (dpyinfo
)
6279 struct w32_display_info
*dpyinfo
;
6281 /* Discard this display from w32_display_name_list and w32_display_list.
6282 We can't use Fdelq because that can quit. */
6283 if (! NILP (w32_display_name_list
)
6284 && EQ (XCAR (w32_display_name_list
), dpyinfo
->name_list_element
))
6285 w32_display_name_list
= XCDR (w32_display_name_list
);
6290 tail
= w32_display_name_list
;
6291 while (CONSP (tail
) && CONSP (XCDR (tail
)))
6293 if (EQ (XCAR (XCDR (tail
)), dpyinfo
->name_list_element
))
6295 XSETCDR (tail
, XCDR (XCDR (tail
)));
6302 /* free palette table */
6304 struct w32_palette_entry
* plist
;
6306 plist
= dpyinfo
->color_list
;
6309 struct w32_palette_entry
* pentry
= plist
;
6310 plist
= plist
->next
;
6313 dpyinfo
->color_list
= NULL
;
6314 if (dpyinfo
->palette
)
6315 DeleteObject(dpyinfo
->palette
);
6317 xfree (dpyinfo
->font_table
);
6318 xfree (dpyinfo
->w32_id_name
);
6320 w32_reset_fringes ();
6323 /* Set up use of W32. */
6325 DWORD
w32_msg_worker ();
6328 x_flush (struct frame
* f
)
6329 { /* Nothing to do */ }
6331 extern frame_parm_handler w32_frame_parm_handlers
[];
6333 static struct redisplay_interface w32_redisplay_interface
=
6335 w32_frame_parm_handlers
,
6339 x_clear_end_of_line
,
6341 x_after_update_window_line
,
6342 x_update_window_begin
,
6343 x_update_window_end
,
6346 0, /* flush_display_optional */
6347 x_clear_window_mouse_face
,
6348 w32_get_glyph_overhangs
,
6349 x_fix_overlapping_area
,
6350 w32_draw_fringe_bitmap
,
6351 w32_define_fringe_bitmap
,
6352 w32_destroy_fringe_bitmap
,
6353 w32_per_char_metric
,
6355 NULL
, /* w32_compute_glyph_string_overhangs */
6356 x_draw_glyph_string
,
6357 w32_define_frame_cursor
,
6358 w32_clear_frame_area
,
6359 w32_draw_window_cursor
,
6360 w32_draw_vertical_window_border
,
6361 w32_shift_glyphs_for_insert
6367 rif
= &w32_redisplay_interface
;
6369 /* MSVC does not type K&R functions with no arguments correctly, and
6370 so we must explicitly cast them. */
6371 clear_frame_hook
= (void (*)(void)) x_clear_frame
;
6372 ring_bell_hook
= (void (*)(void)) w32_ring_bell
;
6373 update_begin_hook
= x_update_begin
;
6374 update_end_hook
= x_update_end
;
6376 read_socket_hook
= w32_read_socket
;
6378 frame_up_to_date_hook
= w32_frame_up_to_date
;
6380 mouse_position_hook
= w32_mouse_position
;
6381 frame_rehighlight_hook
= w32_frame_rehighlight
;
6382 frame_raise_lower_hook
= w32_frame_raise_lower
;
6383 set_vertical_scroll_bar_hook
= w32_set_vertical_scroll_bar
;
6384 condemn_scroll_bars_hook
= w32_condemn_scroll_bars
;
6385 redeem_scroll_bar_hook
= w32_redeem_scroll_bar
;
6386 judge_scroll_bars_hook
= w32_judge_scroll_bars
;
6388 scroll_region_ok
= 1; /* we'll scroll partial frames */
6389 char_ins_del_ok
= 1;
6390 line_ins_del_ok
= 1; /* we'll just blt 'em */
6391 fast_clear_end_of_line
= 1; /* X does this well */
6392 memory_below_frame
= 0; /* we don't remember what scrolls
6396 w32_system_caret_hwnd
= NULL
;
6397 w32_system_caret_height
= 0;
6398 w32_system_caret_x
= 0;
6399 w32_system_caret_y
= 0;
6401 last_tool_bar_item
= -1;
6402 any_help_event_p
= 0;
6404 /* Initialize input mode: interrupt_input off, no flow control, allow
6405 8 bit character input, standard quit char. */
6406 Fset_input_mode (Qnil
, Qnil
, make_number (2), Qnil
);
6408 /* Create the window thread - it will terminate itself or when the app terminates */
6412 dwMainThreadId
= GetCurrentThreadId ();
6413 DuplicateHandle (GetCurrentProcess (), GetCurrentThread (),
6414 GetCurrentProcess (), &hMainThread
, 0, TRUE
, DUPLICATE_SAME_ACCESS
);
6416 /* Wait for thread to start */
6421 PeekMessage (&msg
, NULL
, 0, 0, PM_NOREMOVE
);
6423 hWindowsThread
= CreateThread (NULL
, 0,
6424 (LPTHREAD_START_ROUTINE
) w32_msg_worker
,
6425 0, 0, &dwWindowsThreadId
);
6427 GetMessage (&msg
, NULL
, WM_EMACS_DONE
, WM_EMACS_DONE
);
6430 /* It is desirable that mainThread should have the same notion of
6431 focus window and active window as windowsThread. Unfortunately, the
6432 following call to AttachThreadInput, which should do precisely what
6433 we need, causes major problems when Emacs is linked as a console
6434 program. Unfortunately, we have good reasons for doing that, so
6435 instead we need to send messages to windowsThread to make some API
6436 calls for us (ones that affect, or depend on, the active/focus
6438 #ifdef ATTACH_THREADS
6439 AttachThreadInput (dwMainThreadId
, dwWindowsThreadId
, TRUE
);
6442 /* Dynamically link to optional system components. */
6444 HANDLE user_lib
= LoadLibrary ("user32.dll");
6446 #define LOAD_PROC(fn) pfn##fn = (void *) GetProcAddress (user_lib, #fn)
6448 /* New proportional scroll bar functions. */
6449 LOAD_PROC (SetScrollInfo
);
6450 LOAD_PROC (GetScrollInfo
);
6454 FreeLibrary (user_lib
);
6456 /* If using proportional scroll bars, ensure handle is at least 5 pixels;
6457 otherwise use the fixed height. */
6458 vertical_scroll_bar_min_handle
= (pfnSetScrollInfo
!= NULL
) ? 5 :
6459 GetSystemMetrics (SM_CYVTHUMB
);
6461 /* For either kind of scroll bar, take account of the arrows; these
6462 effectively form the border of the main scroll bar range. */
6463 vertical_scroll_bar_top_border
= vertical_scroll_bar_bottom_border
6464 = GetSystemMetrics (SM_CYVSCROLL
);
6471 staticpro (&w32_display_name_list
);
6472 w32_display_name_list
= Qnil
;
6474 staticpro (&last_mouse_scroll_bar
);
6475 last_mouse_scroll_bar
= Qnil
;
6477 staticpro (&Qvendor_specific_keysyms
);
6478 Qvendor_specific_keysyms
= intern ("vendor-specific-keysyms");
6480 DEFVAR_INT ("w32-num-mouse-buttons",
6481 &w32_num_mouse_buttons
,
6482 doc
: /* Number of physical mouse buttons. */);
6483 w32_num_mouse_buttons
= 2;
6485 DEFVAR_LISP ("w32-swap-mouse-buttons",
6486 &Vw32_swap_mouse_buttons
,
6487 doc
: /* Swap the mapping of middle and right mouse buttons.
6488 When nil, middle button is mouse-2 and right button is mouse-3. */);
6489 Vw32_swap_mouse_buttons
= Qnil
;
6491 DEFVAR_LISP ("w32-grab-focus-on-raise",
6492 &Vw32_grab_focus_on_raise
,
6493 doc
: /* Raised frame grabs input focus.
6494 When t, `raise-frame' grabs input focus as well. This fits well
6495 with the normal Windows click-to-focus policy, but might not be
6496 desirable when using a point-to-focus policy. */);
6497 Vw32_grab_focus_on_raise
= Qt
;
6499 DEFVAR_LISP ("w32-capslock-is-shiftlock",
6500 &Vw32_capslock_is_shiftlock
,
6501 doc
: /* Apply CapsLock state to non character input keys.
6502 When nil, CapsLock only affects normal character input keys. */);
6503 Vw32_capslock_is_shiftlock
= Qnil
;
6505 DEFVAR_LISP ("w32-recognize-altgr",
6506 &Vw32_recognize_altgr
,
6507 doc
: /* Recognize right-alt and left-ctrl as AltGr.
6508 When nil, the right-alt and left-ctrl key combination is
6509 interpreted normally. */);
6510 Vw32_recognize_altgr
= Qt
;
6512 DEFVAR_BOOL ("w32-enable-unicode-output",
6513 &w32_enable_unicode_output
,
6514 doc
: /* Enable the use of Unicode for text output if non-nil.
6515 Unicode output may prevent some third party applications for displaying
6516 Far-East Languages on Windows 95/98 from working properly.
6517 NT uses Unicode internally anyway, so this flag will probably have no
6518 affect on NT machines. */);
6519 w32_enable_unicode_output
= 1;
6521 DEFVAR_BOOL ("w32-use-visible-system-caret",
6522 &w32_use_visible_system_caret
,
6523 doc
: /* Flag to make the system caret visible.
6524 When this is non-nil, Emacs will indicate the position of point by
6525 using the system caret instead of drawing its own cursor. Some screen
6526 reader software does not track the system cursor properly when it is
6527 invisible, and gets confused by Emacs drawing its own cursor, so this
6528 variable is initialized to t when Emacs detects that screen reader
6529 software is running as it starts up.
6531 When this variable is set, other variables affecting the appearance of
6532 the cursor have no effect. */);
6534 /* Initialize w32_use_visible_system_caret based on whether a screen
6535 reader is in use. */
6536 if (!SystemParametersInfo (SPI_GETSCREENREADER
, 0,
6537 &w32_use_visible_system_caret
, 0))
6538 w32_use_visible_system_caret
= 0;
6540 DEFVAR_LISP ("x-toolkit-scroll-bars", &Vx_toolkit_scroll_bars
,
6541 doc
: /* If not nil, Emacs uses toolkit scroll bars. */);
6542 Vx_toolkit_scroll_bars
= Qt
;
6544 staticpro (&last_mouse_motion_frame
);
6545 last_mouse_motion_frame
= Qnil
;
6548 /* arch-tag: 5fa70624-ab86-499c-8a85-473958ee4646
6549 (do not change this comment) */