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
*, int, 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 if (draw_window_fringes (w
, 1))
544 x_draw_vertical_border (w
);
549 /* If a row with mouse-face was overwritten, arrange for
550 XTframe_up_to_date to redisplay the mouse highlight. */
551 if (mouse_face_overwritten_p
)
553 dpyinfo
->mouse_face_beg_row
= dpyinfo
->mouse_face_beg_col
= -1;
554 dpyinfo
->mouse_face_end_row
= dpyinfo
->mouse_face_end_col
= -1;
555 dpyinfo
->mouse_face_window
= Qnil
;
558 /* Unhide the caret. This won't actually show the cursor, unless it
559 was visible before the corresponding call to HideCaret in
560 x_update_window_begin. */
561 if (w32_use_visible_system_caret
&& w32_system_caret_hwnd
)
563 SendMessage (w32_system_caret_hwnd
, WM_EMACS_SHOW_CARET
, 0, 0);
566 updated_window
= NULL
;
570 /* End update of frame F. This function is installed as a hook in
577 if (! FRAME_W32_P (f
))
580 /* Mouse highlight may be displayed again. */
581 FRAME_W32_DISPLAY_INFO (f
)->mouse_face_defer
= 0;
585 /* This function is called from various places in xdisp.c whenever a
586 complete update has been performed. The global variable
587 updated_window is not available here. */
590 w32_frame_up_to_date (f
)
595 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
597 if (dpyinfo
->mouse_face_deferred_gc
598 || f
== dpyinfo
->mouse_face_mouse_frame
)
601 if (dpyinfo
->mouse_face_mouse_frame
)
602 note_mouse_highlight (dpyinfo
->mouse_face_mouse_frame
,
603 dpyinfo
->mouse_face_mouse_x
,
604 dpyinfo
->mouse_face_mouse_y
);
605 dpyinfo
->mouse_face_deferred_gc
= 0;
612 /* Draw truncation mark bitmaps, continuation mark bitmaps, overlay
613 arrow bitmaps, or clear the fringes if no bitmaps are required
614 before DESIRED_ROW is made current. The window being updated is
615 found in updated_window. This function is called from
616 update_window_line only if it is known that there are differences
617 between bitmaps to be drawn between current row and DESIRED_ROW. */
620 x_after_update_window_line (desired_row
)
621 struct glyph_row
*desired_row
;
623 struct window
*w
= updated_window
;
629 if (!desired_row
->mode_line_p
&& !w
->pseudo_window_p
)
630 desired_row
->redraw_fringe_bitmaps_p
= 1;
632 /* When a window has disappeared, make sure that no rest of
633 full-width rows stays visible in the internal border. Could
634 check here if updated_window is the leftmost/rightmost window,
635 but I guess it's not worth doing since vertically split windows
636 are almost never used, internal border is rarely set, and the
637 overhead is very small. */
638 if (windows_or_buffers_changed
639 && desired_row
->full_width_p
640 && (f
= XFRAME (w
->frame
),
641 width
= FRAME_INTERNAL_BORDER_WIDTH (f
),
643 && (height
= desired_row
->visible_height
,
646 int y
= WINDOW_TO_FRAME_PIXEL_Y (w
, max (0, desired_row
->y
));
648 /* Internal border is drawn below the tool bar. */
649 if (WINDOWP (f
->tool_bar_window
)
650 && w
== XWINDOW (f
->tool_bar_window
))
655 HDC hdc
= get_frame_dc (f
);
656 w32_clear_area (f
, hdc
, 0, y
, width
, height
);
657 w32_clear_area (f
, hdc
, FRAME_PIXEL_WIDTH (f
) - width
,
659 release_frame_dc (f
, hdc
);
666 /* Draw the bitmap WHICH in one of the left or right fringes of
667 window W. ROW is the glyph row for which to display the bitmap; it
668 determines the vertical position at which the bitmap has to be
672 w32_draw_fringe_bitmap (w
, row
, p
)
674 struct glyph_row
*row
;
675 struct draw_fringe_bitmap_params
*p
;
677 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
679 struct face
*face
= p
->face
;
682 hdc
= get_frame_dc (f
);
684 /* Must clip because of partially visible lines. */
685 rowY
= WINDOW_TO_FRAME_PIXEL_Y (w
, row
->y
);
688 /* Adjust position of "bottom aligned" bitmap on partially
691 int oldVH
= row
->visible_height
;
692 row
->visible_height
= p
->h
;
693 row
->y
-= rowY
- p
->y
;
694 w32_clip_to_row (w
, row
, -1, hdc
);
696 row
->visible_height
= oldVH
;
699 w32_clip_to_row (w
, row
, -1, hdc
);
701 if (p
->bx
>= 0 && !p
->overlay_p
)
703 w32_fill_area (f
, hdc
, face
->background
,
704 p
->bx
, p
->by
, p
->nx
, p
->ny
);
707 if (p
->which
&& p
->which
< max_fringe_bmp
)
709 HBITMAP pixmap
= fringe_bmp
[p
->which
];
713 compat_hdc
= CreateCompatibleDC (hdc
);
717 horig_obj
= SelectObject (compat_hdc
, pixmap
);
719 /* Paint overlays transparently. */
722 HBRUSH h_brush
, h_orig_brush
;
724 SetTextColor (hdc
, BLACK_PIX_DEFAULT (f
));
725 SetBkColor (hdc
, WHITE_PIX_DEFAULT (f
));
726 h_brush
= CreateSolidBrush (face
->foreground
);
727 h_orig_brush
= SelectObject (hdc
, h_brush
);
729 BitBlt (hdc
, p
->x
, p
->y
, p
->wd
, p
->h
,
730 compat_hdc
, 0, p
->dh
,
732 BitBlt (hdc
, p
->x
, p
->y
, p
->wd
, p
->h
,
733 compat_hdc
, 0, p
->dh
,
735 BitBlt (hdc
, p
->x
, p
->y
, p
->wd
, p
->h
,
736 compat_hdc
, 0, p
->dh
,
739 SelectObject (hdc
, h_orig_brush
);
740 DeleteObject (h_brush
);
744 SetTextColor (hdc
, face
->background
);
745 SetBkColor (hdc
, (p
->cursor_p
746 ? f
->output_data
.w32
->cursor_pixel
747 : face
->foreground
));
749 BitBlt (hdc
, p
->x
, p
->y
, p
->wd
, p
->h
,
750 compat_hdc
, 0, p
->dh
,
754 SelectObject (compat_hdc
, horig_obj
);
755 DeleteDC (compat_hdc
);
759 w32_set_clip_rectangle (hdc
, NULL
);
761 release_frame_dc (f
, hdc
);
765 w32_define_fringe_bitmap (which
, bits
, h
, wd
)
767 unsigned short *bits
;
770 if (which
>= max_fringe_bmp
)
772 int i
= max_fringe_bmp
;
773 max_fringe_bmp
= which
+ 20;
774 fringe_bmp
= (HBITMAP
*) xrealloc (fringe_bmp
, max_fringe_bmp
* sizeof (HBITMAP
));
775 while (i
< max_fringe_bmp
)
779 fringe_bmp
[which
] = CreateBitmap (wd
, h
, 1, 1, bits
);
783 w32_destroy_fringe_bitmap (which
)
786 if (which
>= max_fringe_bmp
)
789 if (fringe_bmp
[which
])
790 DeleteObject (fringe_bmp
[which
]);
791 fringe_bmp
[which
] = 0;
796 /* This is called when starting Emacs and when restarting after
797 suspend. When starting Emacs, no window is mapped. And nothing
798 must be done to Emacs's own window if it is suspended (though that
802 w32_set_terminal_modes (void)
806 /* This is called when exiting or suspending Emacs. Exiting will make
807 the W32 windows go away, and suspending requires no action. */
810 w32_reset_terminal_modes (void)
816 /***********************************************************************
818 ***********************************************************************/
820 /* Function prototypes of this page. */
822 XCharStruct
*w32_per_char_metric
P_ ((XFontStruct
*, wchar_t *, int));
823 static int w32_encode_char
P_ ((int, wchar_t *, struct font_info
*, int *));
826 /* Get metrics of character CHAR2B in FONT. Value is always non-null.
827 If CHAR2B is not contained in FONT, the font's default character
828 metric is returned. */
831 w32_bdf_per_char_metric (font
, char2b
, dim
, pcm
)
837 glyph_metric
* bdf_metric
;
841 buf
[0] = (char)(*char2b
);
844 buf
[0] = XCHAR2B_BYTE1 (char2b
);
845 buf
[1] = XCHAR2B_BYTE2 (char2b
);
848 bdf_metric
= w32_BDF_TextMetric (font
->bdf
, buf
, dim
);
852 pcm
->width
= bdf_metric
->dwidth
;
853 pcm
->lbearing
= bdf_metric
->bbox
;
854 pcm
->rbearing
= bdf_metric
->dwidth
855 - (bdf_metric
->bbox
+ bdf_metric
->bbw
);
856 pcm
->ascent
= bdf_metric
->bboy
+ bdf_metric
->bbh
;
857 pcm
->descent
= -bdf_metric
->bboy
;
866 w32_native_per_char_metric (font
, char2b
, font_type
, pcm
)
869 enum w32_char_font_type font_type
;
872 HDC hdc
= GetDC (NULL
);
876 xassert (font
&& char2b
);
877 xassert (font
->hfont
);
878 xassert (font_type
== UNICODE_FONT
|| font_type
== ANSI_FONT
);
880 old_font
= SelectObject (hdc
, font
->hfont
);
882 if ((font
->tm
.tmPitchAndFamily
& TMPF_TRUETYPE
) != 0)
886 if (font_type
== UNICODE_FONT
)
887 retval
= GetCharABCWidthsW (hdc
, *char2b
, *char2b
, &char_widths
);
889 retval
= GetCharABCWidthsA (hdc
, *char2b
, *char2b
, &char_widths
);
894 /* Disabled until we can find a way to get the right results
895 on all versions of Windows. */
897 /* Don't trust the ABC widths. For synthesized fonts they are
898 wrong, and so is the result of GetCharWidth()! */
900 GetCharWidth (hdc
, *char2b
, *char2b
, &real_width
);
902 pcm
->width
= char_widths
.abcA
+ char_widths
.abcB
+ char_widths
.abcC
;
904 /* As far as I can tell, this is the best way to determine what
905 ExtTextOut will do with the broken font. */
906 if (pcm
->width
!= real_width
)
907 pcm
->width
= (pcm
->width
+ real_width
) / 2;
909 pcm
->lbearing
= char_widths
.abcA
;
910 pcm
->rbearing
= char_widths
.abcA
+ char_widths
.abcB
;
911 pcm
->ascent
= FONT_BASE (font
);
912 pcm
->descent
= FONT_DESCENT (font
);
918 /* Either font is not a True-type font, or GetCharABCWidthsW
919 failed (it is not supported on Windows 9x for instance), so we
920 can't determine the full info we would like. All is not lost
921 though - we can call GetTextExtentPoint32 to get rbearing and
922 deduce width based on the font's per-string overhang. lbearing
923 is assumed to be zero. */
925 /* TODO: Some Thai characters (and other composites if Windows
926 supports them) do have lbearing, and report their total width
927 as zero. Need some way of handling them when
928 GetCharABCWidthsW fails. */
931 if (font_type
== UNICODE_FONT
)
932 retval
= GetTextExtentPoint32W (hdc
, char2b
, 1, &sz
);
934 retval
= GetTextExtentPoint32A (hdc
, (char*)char2b
, 1, &sz
);
938 pcm
->width
= sz
.cx
- font
->tm
.tmOverhang
;
939 pcm
->rbearing
= sz
.cx
;
941 pcm
->ascent
= FONT_BASE (font
);
942 pcm
->descent
= FONT_DESCENT (font
);
947 if (pcm
->width
== 0 && (pcm
->rbearing
- pcm
->lbearing
) == 0)
952 SelectObject (hdc
, old_font
);
953 ReleaseDC (NULL
, hdc
);
960 w32_per_char_metric (font
, char2b
, font_type
)
963 int /* enum w32_char_font_type */ font_type
;
965 /* The result metric information. */
969 xassert (font
&& char2b
);
971 /* TODO: This function is currently called through the RIF, and in
972 some cases font_type is UNKNOWN_FONT. We currently allow the
973 cached metrics to be used, which seems to work, but in cases
974 where font_type is UNKNOWN_FONT, we probably haven't encoded
975 char2b appropriately. All callers need checking to see what they
976 are passing. This is most likely to affect variable width fonts
977 outside the Latin-1 range, particularly in languages like Thai
978 that rely on rbearing and lbearing to provide composition. I
979 don't think that is working currently anyway, but we don't seem
980 to have anyone testing such languages on Windows. */
982 /* Handle the common cases quickly. */
983 if (!font
->bdf
&& font
->per_char
== NULL
)
984 /* TODO: determine whether char2b exists in font? */
985 return &font
->max_bounds
;
986 else if (!font
->bdf
&& *char2b
< 128)
987 return &font
->per_char
[*char2b
];
989 xassert (font_type
!= UNKNOWN_FONT
);
991 pcm
= &font
->scratch
;
993 if (font_type
== BDF_1D_FONT
)
994 retval
= w32_bdf_per_char_metric (font
, char2b
, 1, pcm
);
995 else if (font_type
== BDF_2D_FONT
)
996 retval
= w32_bdf_per_char_metric (font
, char2b
, 2, pcm
);
998 retval
= w32_native_per_char_metric (font
, char2b
, font_type
, pcm
);
1007 w32_cache_char_metrics (font
)
1010 wchar_t char2b
= L
'x';
1012 /* Cache char metrics for the common cases. */
1015 /* TODO: determine whether font is fixed-pitch. */
1016 if (!w32_bdf_per_char_metric (font
, &char2b
, 1, &font
->max_bounds
))
1018 /* Use the font width and height as max bounds, as not all BDF
1019 fonts contain the letter 'x'. */
1020 font
->max_bounds
.width
= FONT_MAX_WIDTH (font
);
1021 font
->max_bounds
.lbearing
= -font
->bdf
->llx
;
1022 font
->max_bounds
.rbearing
= FONT_MAX_WIDTH (font
) - font
->bdf
->urx
;
1023 font
->max_bounds
.ascent
= FONT_BASE (font
);
1024 font
->max_bounds
.descent
= FONT_DESCENT (font
);
1029 if (((font
->tm
.tmPitchAndFamily
& TMPF_FIXED_PITCH
) != 0)
1030 /* Some fonts (eg DBCS fonts) are marked as fixed width even
1031 though they contain characters of different widths. */
1032 || (font
->tm
.tmMaxCharWidth
!= font
->tm
.tmAveCharWidth
))
1034 /* Font is not fixed pitch, so cache per_char info for the
1035 ASCII characters. It would be much more work, and probably
1036 not worth it, to cache other chars, since we may change
1037 between using Unicode and ANSI text drawing functions at
1041 font
->per_char
= xmalloc (128 * sizeof(XCharStruct
));
1042 for (i
= 0; i
< 128; i
++)
1045 w32_native_per_char_metric (font
, &char2b
, ANSI_FONT
,
1046 &font
->per_char
[i
]);
1050 w32_native_per_char_metric (font
, &char2b
, ANSI_FONT
,
1056 /* Determine if a font is double byte. */
1057 int w32_font_is_double_byte (XFontStruct
*font
)
1059 return font
->double_byte_p
;
1064 w32_use_unicode_for_codepage (codepage
)
1067 /* If the current codepage is supported, use Unicode for output. */
1068 return (w32_enable_unicode_output
1069 && codepage
!= CP_8BIT
1070 && (codepage
== CP_UNICODE
|| IsValidCodePage (codepage
)));
1073 /* Encode CHAR2B using encoding information from FONT_INFO. CHAR2B is
1074 the two-byte form of C. Encoding is returned in *CHAR2B. */
1076 static int /* enum w32_char_font_type */
1077 w32_encode_char (c
, char2b
, font_info
, two_byte_p
)
1080 struct font_info
*font_info
;
1083 int charset
= CHAR_CHARSET (c
);
1086 int internal_two_byte_p
= 0;
1088 XFontStruct
*font
= font_info
->font
;
1090 internal_two_byte_p
= w32_font_is_double_byte (font
);
1092 /* FONT_INFO may define a scheme by which to encode byte1 and byte2.
1093 This may be either a program in a special encoder language or a
1095 if (font_info
->font_encoder
)
1097 /* It's a program. */
1098 struct ccl_program
*ccl
= font_info
->font_encoder
;
1100 if (CHARSET_DIMENSION (charset
) == 1)
1102 ccl
->reg
[0] = charset
;
1103 ccl
->reg
[1] = XCHAR2B_BYTE2 (char2b
);
1108 ccl
->reg
[0] = charset
;
1109 ccl
->reg
[1] = XCHAR2B_BYTE1 (char2b
);
1110 ccl
->reg
[2] = XCHAR2B_BYTE2 (char2b
);
1113 ccl_driver (ccl
, NULL
, NULL
, 0, 0, NULL
);
1115 /* We assume that MSBs are appropriately set/reset by CCL
1117 if (!internal_two_byte_p
) /* 1-byte font */
1118 STORE_XCHAR2B (char2b
, 0, ccl
->reg
[1]);
1120 STORE_XCHAR2B (char2b
, ccl
->reg
[1], ccl
->reg
[2]);
1122 else if (font_info
->encoding
[charset
])
1124 /* Fixed encoding scheme. See fontset.h for the meaning of the
1125 encoding numbers. */
1126 int enc
= font_info
->encoding
[charset
];
1128 if ((enc
== 1 || enc
== 2)
1129 && CHARSET_DIMENSION (charset
) == 2)
1130 STORE_XCHAR2B (char2b
, XCHAR2B_BYTE1 (char2b
) | 0x80, XCHAR2B_BYTE2 (char2b
));
1132 if (enc
== 1 || enc
== 3
1133 || (enc
== 4 && CHARSET_DIMENSION (charset
) == 1))
1134 STORE_XCHAR2B (char2b
, XCHAR2B_BYTE1 (char2b
), XCHAR2B_BYTE2 (char2b
) | 0x80);
1139 ENCODE_SJIS (XCHAR2B_BYTE1 (char2b
), XCHAR2B_BYTE2 (char2b
),
1141 STORE_XCHAR2B (char2b
, sjis1
, sjis2
);
1144 codepage
= font_info
->codepage
;
1146 /* If charset is not ASCII or Latin-1, may need to move it into
1148 if ( font
&& !font
->bdf
&& w32_use_unicode_for_codepage (codepage
)
1149 && charset
!= CHARSET_ASCII
&& charset
!= charset_latin_iso8859_1
1150 && charset
!= CHARSET_8_BIT_CONTROL
&& charset
!= CHARSET_8_BIT_GRAPHIC
)
1153 temp
[0] = XCHAR2B_BYTE1 (char2b
);
1154 temp
[1] = XCHAR2B_BYTE2 (char2b
);
1156 if (codepage
!= CP_UNICODE
)
1159 MultiByteToWideChar (codepage
, 0, temp
, 2, char2b
, 1);
1161 MultiByteToWideChar (codepage
, 0, temp
+1, 1, char2b
, 1);
1164 internal_two_byte_p
= 1;
1168 *two_byte_p
= internal_two_byte_p
;
1171 return UNKNOWN_FONT
;
1172 else if (font
->bdf
&& CHARSET_DIMENSION (charset
) == 1)
1177 return UNICODE_FONT
;
1184 /***********************************************************************
1186 ***********************************************************************/
1189 /* Encapsulate the different ways of displaying text under W32. */
1192 w32_text_out (s
, x
, y
,chars
,nchars
)
1193 struct glyph_string
* s
;
1198 int charset_dim
= w32_font_is_double_byte (s
->font
) ? 2 : 1;
1200 w32_BDF_TextOut (s
->font
->bdf
, s
->hdc
,
1201 x
, y
, (char *) chars
, charset_dim
,
1202 nchars
* charset_dim
, 0);
1203 else if (s
->first_glyph
->font_type
== UNICODE_FONT
)
1204 ExtTextOutW (s
->hdc
, x
, y
, 0, NULL
, chars
, nchars
, NULL
);
1206 ExtTextOutA (s
->hdc
, x
, y
, 0, NULL
, (char *) chars
,
1207 nchars
* charset_dim
, NULL
);
1211 static void x_set_glyph_string_clipping
P_ ((struct glyph_string
*));
1212 static void x_set_glyph_string_gc
P_ ((struct glyph_string
*));
1213 static void x_draw_glyph_string_background
P_ ((struct glyph_string
*,
1215 static void x_draw_glyph_string_foreground
P_ ((struct glyph_string
*));
1216 static void x_draw_composite_glyph_string_foreground
P_ ((struct glyph_string
*));
1217 static void x_draw_glyph_string_box
P_ ((struct glyph_string
*));
1218 static void x_draw_glyph_string
P_ ((struct glyph_string
*));
1219 static void x_set_cursor_gc
P_ ((struct glyph_string
*));
1220 static void x_set_mode_line_face_gc
P_ ((struct glyph_string
*));
1221 static void x_set_mouse_face_gc
P_ ((struct glyph_string
*));
1222 static int w32_alloc_lighter_color (struct frame
*, COLORREF
*, double, int);
1223 static void w32_setup_relief_color
P_ ((struct frame
*, struct relief
*,
1224 double, int, COLORREF
));
1225 static void x_setup_relief_colors
P_ ((struct glyph_string
*));
1226 static void x_draw_image_glyph_string
P_ ((struct glyph_string
*));
1227 static void x_draw_image_relief
P_ ((struct glyph_string
*));
1228 static void x_draw_image_foreground
P_ ((struct glyph_string
*));
1229 static void w32_draw_image_foreground_1
P_ ((struct glyph_string
*, HBITMAP
));
1230 static void x_clear_glyph_string_rect
P_ ((struct glyph_string
*, int,
1232 static void w32_draw_relief_rect
P_ ((struct frame
*, int, int, int, int,
1233 int, int, int, int, int, int,
1235 static void w32_draw_box_rect
P_ ((struct glyph_string
*, int, int, int, int,
1236 int, int, int, RECT
*));
1239 static void x_check_font
P_ ((struct frame
*, XFontStruct
*));
1243 /* Set S->gc to a suitable GC for drawing glyph string S in cursor
1248 struct glyph_string
*s
;
1250 if (s
->font
== FRAME_FONT (s
->f
)
1251 && s
->face
->background
== FRAME_BACKGROUND_PIXEL (s
->f
)
1252 && s
->face
->foreground
== FRAME_FOREGROUND_PIXEL (s
->f
)
1254 s
->gc
= s
->f
->output_data
.w32
->cursor_gc
;
1257 /* Cursor on non-default face: must merge. */
1261 xgcv
.background
= s
->f
->output_data
.w32
->cursor_pixel
;
1262 xgcv
.foreground
= s
->face
->background
;
1264 /* If the glyph would be invisible, try a different foreground. */
1265 if (xgcv
.foreground
== xgcv
.background
)
1266 xgcv
.foreground
= s
->face
->foreground
;
1267 if (xgcv
.foreground
== xgcv
.background
)
1268 xgcv
.foreground
= s
->f
->output_data
.w32
->cursor_foreground_pixel
;
1269 if (xgcv
.foreground
== xgcv
.background
)
1270 xgcv
.foreground
= s
->face
->foreground
;
1272 /* Make sure the cursor is distinct from text in this face. */
1273 if (xgcv
.background
== s
->face
->background
1274 && xgcv
.foreground
== s
->face
->foreground
)
1276 xgcv
.background
= s
->face
->foreground
;
1277 xgcv
.foreground
= s
->face
->background
;
1280 IF_DEBUG (x_check_font (s
->f
, s
->font
));
1281 xgcv
.font
= s
->font
;
1282 mask
= GCForeground
| GCBackground
| GCFont
;
1284 if (FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
)
1285 XChangeGC (NULL
, FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
,
1288 FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
1289 = XCreateGC (NULL
, s
->window
, mask
, &xgcv
);
1291 s
->gc
= FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
;
1296 /* Set up S->gc of glyph string S for drawing text in mouse face. */
1299 x_set_mouse_face_gc (s
)
1300 struct glyph_string
*s
;
1305 /* What face has to be used last for the mouse face? */
1306 face_id
= FRAME_W32_DISPLAY_INFO (s
->f
)->mouse_face_face_id
;
1307 face
= FACE_FROM_ID (s
->f
, face_id
);
1309 face
= FACE_FROM_ID (s
->f
, MOUSE_FACE_ID
);
1311 if (s
->first_glyph
->type
== CHAR_GLYPH
)
1312 face_id
= FACE_FOR_CHAR (s
->f
, face
, s
->first_glyph
->u
.ch
);
1314 face_id
= FACE_FOR_CHAR (s
->f
, face
, 0);
1315 s
->face
= FACE_FROM_ID (s
->f
, face_id
);
1316 PREPARE_FACE_FOR_DISPLAY (s
->f
, s
->face
);
1318 /* If font in this face is same as S->font, use it. */
1319 if (s
->font
== s
->face
->font
)
1320 s
->gc
= s
->face
->gc
;
1323 /* Otherwise construct scratch_cursor_gc with values from FACE
1328 xgcv
.background
= s
->face
->background
;
1329 xgcv
.foreground
= s
->face
->foreground
;
1330 IF_DEBUG (x_check_font (s
->f
, s
->font
));
1331 xgcv
.font
= s
->font
;
1332 mask
= GCForeground
| GCBackground
| GCFont
;
1334 if (FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
)
1335 XChangeGC (NULL
, FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
,
1338 FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
1339 = XCreateGC (NULL
, s
->window
, mask
, &xgcv
);
1341 s
->gc
= FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
;
1344 xassert (s
->gc
!= 0);
1348 /* Set S->gc of glyph string S to a GC suitable for drawing a mode line.
1349 Faces to use in the mode line have already been computed when the
1350 matrix was built, so there isn't much to do, here. */
1353 x_set_mode_line_face_gc (s
)
1354 struct glyph_string
*s
;
1356 s
->gc
= s
->face
->gc
;
1360 /* Set S->gc of glyph string S for drawing that glyph string. Set
1361 S->stippled_p to a non-zero value if the face of S has a stipple
1365 x_set_glyph_string_gc (s
)
1366 struct glyph_string
*s
;
1368 PREPARE_FACE_FOR_DISPLAY (s
->f
, s
->face
);
1370 if (s
->hl
== DRAW_NORMAL_TEXT
)
1372 s
->gc
= s
->face
->gc
;
1373 s
->stippled_p
= s
->face
->stipple
!= 0;
1375 else if (s
->hl
== DRAW_INVERSE_VIDEO
)
1377 x_set_mode_line_face_gc (s
);
1378 s
->stippled_p
= s
->face
->stipple
!= 0;
1380 else if (s
->hl
== DRAW_CURSOR
)
1382 x_set_cursor_gc (s
);
1385 else if (s
->hl
== DRAW_MOUSE_FACE
)
1387 x_set_mouse_face_gc (s
);
1388 s
->stippled_p
= s
->face
->stipple
!= 0;
1390 else if (s
->hl
== DRAW_IMAGE_RAISED
1391 || s
->hl
== DRAW_IMAGE_SUNKEN
)
1393 s
->gc
= s
->face
->gc
;
1394 s
->stippled_p
= s
->face
->stipple
!= 0;
1398 s
->gc
= s
->face
->gc
;
1399 s
->stippled_p
= s
->face
->stipple
!= 0;
1402 /* GC must have been set. */
1403 xassert (s
->gc
!= 0);
1407 /* Set clipping for output of glyph string S. S may be part of a mode
1408 line or menu if we don't have X toolkit support. */
1411 x_set_glyph_string_clipping (s
)
1412 struct glyph_string
*s
;
1415 get_glyph_string_clip_rect (s
, &r
);
1416 w32_set_clip_rectangle (s
->hdc
, &r
);
1421 Compute left and right overhang of glyph string S. If S is a glyph
1422 string for a composition, assume overhangs don't exist. */
1425 w32_compute_glyph_string_overhangs (s
)
1426 struct glyph_string
*s
;
1428 /* TODO: Windows does not appear to have a method for
1429 getting this info without getting the ABC widths for each
1430 individual character and working it out manually. */
1435 w32_get_glyph_overhangs (glyph
, f
, left
, right
)
1436 struct glyph
*glyph
;
1440 HDC hdc
= get_frame_dc (f
);
1441 /* Convert to unicode! */
1442 x_get_glyph_overhangs (glyph
, f
, left
, right
);
1443 release_frame_dc (f
, hdc
);
1447 /* Fill rectangle X, Y, W, H with background color of glyph string S. */
1450 x_clear_glyph_string_rect (s
, x
, y
, w
, h
)
1451 struct glyph_string
*s
;
1459 /* Take clipping into account. */
1460 if (s
->gc
->clip_mask
== Rect
)
1462 real_x
= max (real_x
, s
->gc
->clip_rectangle
.left
);
1463 real_y
= max (real_y
, s
->gc
->clip_rectangle
.top
);
1464 real_w
= min (real_w
, s
->gc
->clip_rectangle
.right
1465 - s
->gc
->clip_rectangle
.left
);
1466 real_h
= min (real_h
, s
->gc
->clip_rectangle
.bottom
1467 - s
->gc
->clip_rectangle
.top
);
1470 w32_fill_area (s
->f
, s
->hdc
, s
->gc
->background
, real_x
, real_y
,
1475 /* Draw the background of glyph_string S. If S->background_filled_p
1476 is non-zero don't draw it. FORCE_P non-zero means draw the
1477 background even if it wouldn't be drawn normally. This is used
1478 when a string preceding S draws into the background of S, or S
1479 contains the first component of a composition. */
1482 x_draw_glyph_string_background (s
, force_p
)
1483 struct glyph_string
*s
;
1486 /* Nothing to do if background has already been drawn or if it
1487 shouldn't be drawn in the first place. */
1488 if (!s
->background_filled_p
)
1490 int box_line_width
= max (s
->face
->box_line_width
, 0);
1492 #if 0 /* TODO: stipple */
1495 /* Fill background with a stipple pattern. */
1496 XSetFillStyle (s
->display
, s
->gc
, FillOpaqueStippled
);
1497 XFillRectangle (s
->display
, s
->window
, s
->gc
, s
->x
,
1498 s
->y
+ box_line_width
,
1499 s
->background_width
,
1500 s
->height
- 2 * box_line_width
);
1501 XSetFillStyle (s
->display
, s
->gc
, FillSolid
);
1502 s
->background_filled_p
= 1;
1506 if (FONT_HEIGHT (s
->font
) < s
->height
- 2 * box_line_width
1507 || s
->font_not_found_p
1508 || s
->extends_to_end_of_line_p
1512 x_clear_glyph_string_rect (s
, s
->x
, s
->y
+ box_line_width
,
1513 s
->background_width
,
1514 s
->height
- 2 * box_line_width
);
1515 s
->background_filled_p
= 1;
1521 /* Draw the foreground of glyph string S. */
1524 x_draw_glyph_string_foreground (s
)
1525 struct glyph_string
*s
;
1530 /* If first glyph of S has a left box line, start drawing the text
1531 of S to the right of that box line. */
1532 if (s
->face
->box
!= FACE_NO_BOX
1533 && s
->first_glyph
->left_box_line_p
)
1534 x
= s
->x
+ abs (s
->face
->box_line_width
);
1538 if (s
->for_overlaps_p
|| (s
->background_filled_p
&& s
->hl
!= DRAW_CURSOR
))
1539 SetBkMode (s
->hdc
, TRANSPARENT
);
1541 SetBkMode (s
->hdc
, OPAQUE
);
1543 SetTextColor (s
->hdc
, s
->gc
->foreground
);
1544 SetBkColor (s
->hdc
, s
->gc
->background
);
1545 SetTextAlign (s
->hdc
, TA_BASELINE
| TA_LEFT
);
1547 if (s
->font
&& s
->font
->hfont
)
1548 old_font
= SelectObject (s
->hdc
, s
->font
->hfont
);
1550 /* Draw characters of S as rectangles if S's font could not be
1552 if (s
->font_not_found_p
)
1554 for (i
= 0; i
< s
->nchars
; ++i
)
1556 struct glyph
*g
= s
->first_glyph
+ i
;
1558 w32_draw_rectangle (s
->hdc
, s
->gc
, x
, s
->y
, g
->pixel_width
- 1,
1560 x
+= g
->pixel_width
;
1565 char *char1b
= (char *) s
->char2b
;
1566 int boff
= s
->font_info
->baseline_offset
;
1568 if (s
->font_info
->vertical_centering
)
1569 boff
= VCENTER_BASELINE_OFFSET (s
->font
, s
->f
) - boff
;
1571 /* If we can use 8-bit functions, condense S->char2b. */
1573 for (i
= 0; i
< s
->nchars
; ++i
)
1574 char1b
[i
] = XCHAR2B_BYTE2 (&s
->char2b
[i
]);
1576 /* Draw text with TextOut and friends. */
1577 w32_text_out (s
, x
, s
->ybase
- boff
, s
->char2b
, s
->nchars
);
1579 if (s
->face
->overstrike
)
1581 /* For overstriking (to simulate bold-face), draw the
1582 characters again shifted to the right by one pixel. */
1583 w32_text_out (s
, x
+ 1, s
->ybase
- boff
, s
->char2b
, s
->nchars
);
1586 if (s
->font
&& s
->font
->hfont
)
1587 SelectObject (s
->hdc
, old_font
);
1590 /* Draw the foreground of composite glyph string S. */
1593 x_draw_composite_glyph_string_foreground (s
)
1594 struct glyph_string
*s
;
1599 /* If first glyph of S has a left box line, start drawing the text
1600 of S to the right of that box line. */
1601 if (s
->face
->box
!= FACE_NO_BOX
1602 && s
->first_glyph
->left_box_line_p
)
1603 x
= s
->x
+ abs (s
->face
->box_line_width
);
1607 /* S is a glyph string for a composition. S->gidx is the index of
1608 the first character drawn for glyphs of this composition.
1609 S->gidx == 0 means we are drawing the very first character of
1610 this composition. */
1612 SetTextColor (s
->hdc
, s
->gc
->foreground
);
1613 SetBkColor (s
->hdc
, s
->gc
->background
);
1614 SetBkMode (s
->hdc
, TRANSPARENT
);
1615 SetTextAlign (s
->hdc
, TA_BASELINE
| TA_LEFT
);
1617 if (s
->font
&& s
->font
->hfont
)
1618 old_font
= SelectObject (s
->hdc
, s
->font
->hfont
);
1620 /* Draw a rectangle for the composition if the font for the very
1621 first character of the composition could not be loaded. */
1622 if (s
->font_not_found_p
)
1625 w32_draw_rectangle (s
->hdc
, s
->gc
, x
, s
->y
, s
->width
- 1,
1630 for (i
= 0; i
< s
->nchars
; i
++, ++s
->gidx
)
1632 w32_text_out (s
, x
+ s
->cmp
->offsets
[s
->gidx
* 2],
1633 s
->ybase
- s
->cmp
->offsets
[s
->gidx
* 2 + 1],
1635 if (s
->face
->overstrike
)
1636 w32_text_out (s
, x
+ s
->cmp
->offsets
[s
->gidx
* 2] + 1,
1637 s
->ybase
- s
->cmp
->offsets
[s
->gidx
* 2 + 1],
1642 if (s
->font
&& s
->font
->hfont
)
1643 SelectObject (s
->hdc
, old_font
);
1647 /* Brightness beyond which a color won't have its highlight brightness
1650 Nominally, highlight colors for `3d' faces are calculated by
1651 brightening an object's color by a constant scale factor, but this
1652 doesn't yield good results for dark colors, so for colors who's
1653 brightness is less than this value (on a scale of 0-255) have to
1654 use an additional additive factor.
1656 The value here is set so that the default menu-bar/mode-line color
1657 (grey75) will not have its highlights changed at all. */
1658 #define HIGHLIGHT_COLOR_DARK_BOOST_LIMIT 187
1661 /* Allocate a color which is lighter or darker than *COLOR by FACTOR
1662 or DELTA. Try a color with RGB values multiplied by FACTOR first.
1663 If this produces the same color as COLOR, try a color where all RGB
1664 values have DELTA added. Return the allocated color in *COLOR.
1665 DISPLAY is the X display, CMAP is the colormap to operate on.
1666 Value is non-zero if successful. */
1669 w32_alloc_lighter_color (f
, color
, factor
, delta
)
1678 /* On Windows, RGB values are 0-255, not 0-65535, so scale delta. */
1681 /* Change RGB values by specified FACTOR. Avoid overflow! */
1682 xassert (factor
>= 0);
1683 new = PALETTERGB (min (0xff, factor
* GetRValue (*color
)),
1684 min (0xff, factor
* GetGValue (*color
)),
1685 min (0xff, factor
* GetBValue (*color
)));
1687 /* Calculate brightness of COLOR. */
1688 bright
= (2 * GetRValue (*color
) + 3 * GetGValue (*color
)
1689 + GetBValue (*color
)) / 6;
1691 /* We only boost colors that are darker than
1692 HIGHLIGHT_COLOR_DARK_BOOST_LIMIT. */
1693 if (bright
< HIGHLIGHT_COLOR_DARK_BOOST_LIMIT
)
1694 /* Make an additive adjustment to NEW, because it's dark enough so
1695 that scaling by FACTOR alone isn't enough. */
1697 /* How far below the limit this color is (0 - 1, 1 being darker). */
1698 double dimness
= 1 - (double)bright
/ HIGHLIGHT_COLOR_DARK_BOOST_LIMIT
;
1699 /* The additive adjustment. */
1700 int min_delta
= delta
* dimness
* factor
/ 2;
1703 new = PALETTERGB (max (0, min (0xff, min_delta
- GetRValue (*color
))),
1704 max (0, min (0xff, min_delta
- GetGValue (*color
))),
1705 max (0, min (0xff, min_delta
- GetBValue (*color
))));
1707 new = PALETTERGB (max (0, min (0xff, min_delta
+ GetRValue (*color
))),
1708 max (0, min (0xff, min_delta
+ GetGValue (*color
))),
1709 max (0, min (0xff, min_delta
+ GetBValue (*color
))));
1713 new = PALETTERGB (max (0, min (0xff, delta
+ GetRValue (*color
))),
1714 max (0, min (0xff, delta
+ GetGValue (*color
))),
1715 max (0, min (0xff, delta
+ GetBValue (*color
))));
1717 /* TODO: Map to palette and retry with delta if same? */
1718 /* TODO: Free colors (if using palette)? */
1729 /* Set up the foreground color for drawing relief lines of glyph
1730 string S. RELIEF is a pointer to a struct relief containing the GC
1731 with which lines will be drawn. Use a color that is FACTOR or
1732 DELTA lighter or darker than the relief's background which is found
1733 in S->f->output_data.x->relief_background. If such a color cannot
1734 be allocated, use DEFAULT_PIXEL, instead. */
1737 w32_setup_relief_color (f
, relief
, factor
, delta
, default_pixel
)
1739 struct relief
*relief
;
1742 COLORREF default_pixel
;
1745 struct w32_output
*di
= f
->output_data
.w32
;
1746 unsigned long mask
= GCForeground
;
1748 COLORREF background
= di
->relief_background
;
1749 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
1751 /* TODO: Free colors (if using palette)? */
1753 /* Allocate new color. */
1754 xgcv
.foreground
= default_pixel
;
1756 if (w32_alloc_lighter_color (f
, &pixel
, factor
, delta
))
1758 relief
->allocated_p
= 1;
1759 xgcv
.foreground
= relief
->pixel
= pixel
;
1762 if (relief
->gc
== 0)
1764 #if 0 /* TODO: stipple */
1765 xgcv
.stipple
= dpyinfo
->gray
;
1768 relief
->gc
= XCreateGC (NULL
, FRAME_W32_WINDOW (f
), mask
, &xgcv
);
1771 XChangeGC (NULL
, relief
->gc
, mask
, &xgcv
);
1775 /* Set up colors for the relief lines around glyph string S. */
1778 x_setup_relief_colors (s
)
1779 struct glyph_string
*s
;
1781 struct w32_output
*di
= s
->f
->output_data
.w32
;
1784 if (s
->face
->use_box_color_for_shadows_p
)
1785 color
= s
->face
->box_color
;
1786 else if (s
->first_glyph
->type
== IMAGE_GLYPH
1788 && !IMAGE_BACKGROUND_TRANSPARENT (s
->img
, s
->f
, 0))
1789 color
= IMAGE_BACKGROUND (s
->img
, s
->f
, 0);
1791 color
= s
->gc
->background
;
1793 if (di
->white_relief
.gc
== 0
1794 || color
!= di
->relief_background
)
1796 di
->relief_background
= color
;
1797 w32_setup_relief_color (s
->f
, &di
->white_relief
, 1.2, 0x8000,
1798 WHITE_PIX_DEFAULT (s
->f
));
1799 w32_setup_relief_color (s
->f
, &di
->black_relief
, 0.6, 0x4000,
1800 BLACK_PIX_DEFAULT (s
->f
));
1805 /* Draw a relief on frame F inside the rectangle given by LEFT_X,
1806 TOP_Y, RIGHT_X, and BOTTOM_Y. WIDTH is the thickness of the relief
1807 to draw, it must be >= 0. RAISED_P non-zero means draw a raised
1808 relief. LEFT_P non-zero means draw a relief on the left side of
1809 the rectangle. RIGHT_P non-zero means draw a relief on the right
1810 side of the rectangle. CLIP_RECT is the clipping rectangle to use
1814 w32_draw_relief_rect (f
, left_x
, top_y
, right_x
, bottom_y
, width
,
1815 raised_p
, top_p
, bot_p
, left_p
, right_p
, clip_rect
)
1817 int left_x
, top_y
, right_x
, bottom_y
, width
;
1818 int top_p
, bot_p
, left_p
, right_p
, raised_p
;
1823 HDC hdc
= get_frame_dc (f
);
1826 gc
.foreground
= f
->output_data
.w32
->white_relief
.gc
->foreground
;
1828 gc
.foreground
= f
->output_data
.w32
->black_relief
.gc
->foreground
;
1830 w32_set_clip_rectangle (hdc
, clip_rect
);
1834 for (i
= 0; i
< width
; ++i
)
1835 w32_fill_area (f
, hdc
, gc
.foreground
,
1836 left_x
+ i
* left_p
, top_y
+ i
,
1837 right_x
- left_x
- i
* (left_p
+ right_p
) + 1, 1);
1841 for (i
= 0; i
< width
; ++i
)
1842 w32_fill_area (f
, hdc
, gc
.foreground
,
1843 left_x
+ i
, top_y
+ i
, 1,
1844 bottom_y
- top_y
- 2 * i
+ 1);
1847 gc
.foreground
= f
->output_data
.w32
->black_relief
.gc
->foreground
;
1849 gc
.foreground
= f
->output_data
.w32
->white_relief
.gc
->foreground
;
1853 for (i
= 0; i
< width
; ++i
)
1854 w32_fill_area (f
, hdc
, gc
.foreground
,
1855 left_x
+ i
* left_p
, bottom_y
- i
,
1856 right_x
- left_x
- i
* (left_p
+ right_p
) + 1, 1);
1860 for (i
= 0; i
< width
; ++i
)
1861 w32_fill_area (f
, hdc
, gc
.foreground
,
1862 right_x
- i
, top_y
+ i
+ 1, 1,
1863 bottom_y
- top_y
- 2 * i
- 1);
1865 w32_set_clip_rectangle (hdc
, NULL
);
1867 release_frame_dc (f
, hdc
);
1871 /* Draw a box on frame F inside the rectangle given by LEFT_X, TOP_Y,
1872 RIGHT_X, and BOTTOM_Y. WIDTH is the thickness of the lines to
1873 draw, it must be >= 0. LEFT_P non-zero means draw a line on the
1874 left side of the rectangle. RIGHT_P non-zero means draw a line
1875 on the right side of the rectangle. CLIP_RECT is the clipping
1876 rectangle to use when drawing. */
1879 w32_draw_box_rect (s
, left_x
, top_y
, right_x
, bottom_y
, width
,
1880 left_p
, right_p
, clip_rect
)
1881 struct glyph_string
*s
;
1882 int left_x
, top_y
, right_x
, bottom_y
, width
, left_p
, right_p
;
1885 w32_set_clip_rectangle (s
->hdc
, clip_rect
);
1888 w32_fill_area (s
->f
, s
->hdc
, s
->face
->box_color
,
1889 left_x
, top_y
, right_x
- left_x
+ 1, width
);
1894 w32_fill_area (s
->f
, s
->hdc
, s
->face
->box_color
,
1895 left_x
, top_y
, width
, bottom_y
- top_y
+ 1);
1899 w32_fill_area (s
->f
, s
->hdc
, s
->face
->box_color
,
1900 left_x
, bottom_y
- width
+ 1, right_x
- left_x
+ 1, width
);
1905 w32_fill_area (s
->f
, s
->hdc
, s
->face
->box_color
,
1906 right_x
- width
+ 1, top_y
, width
, bottom_y
- top_y
+ 1);
1909 w32_set_clip_rectangle (s
->hdc
, NULL
);
1913 /* Draw a box around glyph string S. */
1916 x_draw_glyph_string_box (s
)
1917 struct glyph_string
*s
;
1919 int width
, left_x
, right_x
, top_y
, bottom_y
, last_x
, raised_p
;
1920 int left_p
, right_p
;
1921 struct glyph
*last_glyph
;
1924 last_x
= ((s
->row
->full_width_p
&& !s
->w
->pseudo_window_p
)
1925 ? WINDOW_RIGHT_EDGE_X (s
->w
)
1926 : window_box_right (s
->w
, s
->area
));
1928 /* The glyph that may have a right box line. */
1929 last_glyph
= (s
->cmp
|| s
->img
1931 : s
->first_glyph
+ s
->nchars
- 1);
1933 width
= abs (s
->face
->box_line_width
);
1934 raised_p
= s
->face
->box
== FACE_RAISED_BOX
;
1936 right_x
= ((s
->row
->full_width_p
&& s
->extends_to_end_of_line_p
1938 : min (last_x
, s
->x
+ s
->background_width
) - 1));
1940 bottom_y
= top_y
+ s
->height
- 1;
1942 left_p
= (s
->first_glyph
->left_box_line_p
1943 || (s
->hl
== DRAW_MOUSE_FACE
1945 || s
->prev
->hl
!= s
->hl
)));
1946 right_p
= (last_glyph
->right_box_line_p
1947 || (s
->hl
== DRAW_MOUSE_FACE
1949 || s
->next
->hl
!= s
->hl
)));
1951 get_glyph_string_clip_rect (s
, &clip_rect
);
1953 if (s
->face
->box
== FACE_SIMPLE_BOX
)
1954 w32_draw_box_rect (s
, left_x
, top_y
, right_x
, bottom_y
, width
,
1955 left_p
, right_p
, &clip_rect
);
1958 x_setup_relief_colors (s
);
1959 w32_draw_relief_rect (s
->f
, left_x
, top_y
, right_x
, bottom_y
,
1960 width
, raised_p
, 1, 1, left_p
, right_p
, &clip_rect
);
1965 /* Draw foreground of image glyph string S. */
1968 x_draw_image_foreground (s
)
1969 struct glyph_string
*s
;
1972 int y
= s
->ybase
- image_ascent (s
->img
, s
->face
, &s
->slice
);
1974 /* If first glyph of S has a left box line, start drawing it to the
1975 right of that line. */
1976 if (s
->face
->box
!= FACE_NO_BOX
1977 && s
->first_glyph
->left_box_line_p
1979 x
+= abs (s
->face
->box_line_width
);
1981 /* If there is a margin around the image, adjust x- and y-position
1983 if (s
->slice
.x
== 0)
1984 x
+= s
->img
->hmargin
;
1985 if (s
->slice
.y
== 0)
1986 y
+= s
->img
->vmargin
;
1992 HDC compat_hdc
= CreateCompatibleDC (s
->hdc
);
1993 HBRUSH fg_brush
= CreateSolidBrush (s
->gc
->foreground
);
1994 HBRUSH orig_brush
= SelectObject (s
->hdc
, fg_brush
);
1995 HGDIOBJ orig_obj
= SelectObject (compat_hdc
, s
->img
->pixmap
);
1996 SetBkColor (compat_hdc
, RGB (255, 255, 255));
1997 SetTextColor (s
->hdc
, RGB (0, 0, 0));
1998 x_set_glyph_string_clipping (s
);
2002 HDC mask_dc
= CreateCompatibleDC (s
->hdc
);
2003 HGDIOBJ mask_orig_obj
= SelectObject (mask_dc
, s
->img
->mask
);
2005 SetTextColor (s
->hdc
, RGB (255, 255, 255));
2006 SetBkColor (s
->hdc
, RGB (0, 0, 0));
2008 BitBlt (s
->hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
2009 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCINVERT
);
2010 BitBlt (s
->hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
2011 mask_dc
, s
->slice
.x
, s
->slice
.y
, SRCAND
);
2012 BitBlt (s
->hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
2013 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCINVERT
);
2015 SelectObject (mask_dc
, mask_orig_obj
);
2020 SetTextColor (s
->hdc
, s
->gc
->foreground
);
2021 SetBkColor (s
->hdc
, s
->gc
->background
);
2023 BitBlt (s
->hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
2024 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCCOPY
);
2026 /* When the image has a mask, we can expect that at
2027 least part of a mouse highlight or a block cursor will
2028 be visible. If the image doesn't have a mask, make
2029 a block cursor visible by drawing a rectangle around
2030 the image. I believe it's looking better if we do
2031 nothing here for mouse-face. */
2032 if (s
->hl
== DRAW_CURSOR
)
2034 int r
= s
->img
->relief
;
2036 w32_draw_rectangle (s
->hdc
, s
->gc
, x
- r
, y
- r
,
2037 s
->slice
.width
+ r
*2 - 1,
2038 s
->slice
.height
+ r
*2 - 1);
2042 w32_set_clip_rectangle (s
->hdc
, NULL
);
2043 SelectObject (s
->hdc
, orig_brush
);
2044 DeleteObject (fg_brush
);
2045 SelectObject (compat_hdc
, orig_obj
);
2046 DeleteDC (compat_hdc
);
2049 w32_draw_rectangle (s
->hdc
, s
->gc
, x
, y
,
2050 s
->slice
.width
- 1, s
->slice
.height
- 1);
2052 RestoreDC (s
->hdc
,-1);
2056 /* Draw a relief around the image glyph string S. */
2059 x_draw_image_relief (s
)
2060 struct glyph_string
*s
;
2062 int x0
, y0
, x1
, y1
, thick
, raised_p
;
2065 int y
= s
->ybase
- image_ascent (s
->img
, s
->face
, &s
->slice
);
2067 /* If first glyph of S has a left box line, start drawing it to the
2068 right of that line. */
2069 if (s
->face
->box
!= FACE_NO_BOX
2070 && s
->first_glyph
->left_box_line_p
2072 x
+= abs (s
->face
->box_line_width
);
2074 /* If there is a margin around the image, adjust x- and y-position
2076 if (s
->slice
.x
== 0)
2077 x
+= s
->img
->hmargin
;
2078 if (s
->slice
.y
== 0)
2079 y
+= s
->img
->vmargin
;
2081 if (s
->hl
== DRAW_IMAGE_SUNKEN
2082 || s
->hl
== DRAW_IMAGE_RAISED
)
2084 thick
= tool_bar_button_relief
>= 0 ? tool_bar_button_relief
: DEFAULT_TOOL_BAR_BUTTON_RELIEF
;
2085 raised_p
= s
->hl
== DRAW_IMAGE_RAISED
;
2089 thick
= abs (s
->img
->relief
);
2090 raised_p
= s
->img
->relief
> 0;
2095 x1
= x
+ s
->slice
.width
+ thick
- 1;
2096 y1
= y
+ s
->slice
.height
+ thick
- 1;
2098 x_setup_relief_colors (s
);
2099 get_glyph_string_clip_rect (s
, &r
);
2100 w32_draw_relief_rect (s
->f
, x0
, y0
, x1
, y1
, thick
, raised_p
,
2102 s
->slice
.y
+ s
->slice
.height
== s
->img
->height
,
2104 s
->slice
.x
+ s
->slice
.width
== s
->img
->width
,
2109 /* Draw the foreground of image glyph string S to PIXMAP. */
2112 w32_draw_image_foreground_1 (s
, pixmap
)
2113 struct glyph_string
*s
;
2116 HDC hdc
= CreateCompatibleDC (s
->hdc
);
2117 HGDIOBJ orig_hdc_obj
= SelectObject (hdc
, pixmap
);
2119 int y
= s
->ybase
- s
->y
- image_ascent (s
->img
, s
->face
, &s
->slice
);
2121 /* If first glyph of S has a left box line, start drawing it to the
2122 right of that line. */
2123 if (s
->face
->box
!= FACE_NO_BOX
2124 && s
->first_glyph
->left_box_line_p
2126 x
+= abs (s
->face
->box_line_width
);
2128 /* If there is a margin around the image, adjust x- and y-position
2130 if (s
->slice
.x
== 0)
2131 x
+= s
->img
->hmargin
;
2132 if (s
->slice
.y
== 0)
2133 y
+= s
->img
->vmargin
;
2137 HDC compat_hdc
= CreateCompatibleDC (hdc
);
2138 HBRUSH fg_brush
= CreateSolidBrush (s
->gc
->foreground
);
2139 HBRUSH orig_brush
= SelectObject (hdc
, fg_brush
);
2140 HGDIOBJ orig_obj
= SelectObject (compat_hdc
, s
->img
->pixmap
);
2144 HDC mask_dc
= CreateCompatibleDC (hdc
);
2145 HGDIOBJ mask_orig_obj
= SelectObject (mask_dc
, s
->img
->mask
);
2147 SetTextColor (hdc
, RGB (0, 0, 0));
2148 SetBkColor (hdc
, RGB (255, 255, 255));
2149 BitBlt (hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
2150 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCINVERT
);
2151 BitBlt (hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
2152 mask_dc
, s
->slice
.x
, s
->slice
.y
, SRCAND
);
2153 BitBlt (hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
2154 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCINVERT
);
2156 SelectObject (mask_dc
, mask_orig_obj
);
2161 SetTextColor (hdc
, s
->gc
->foreground
);
2162 SetBkColor (hdc
, s
->gc
->background
);
2164 BitBlt (hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
2165 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCCOPY
);
2167 /* When the image has a mask, we can expect that at
2168 least part of a mouse highlight or a block cursor will
2169 be visible. If the image doesn't have a mask, make
2170 a block cursor visible by drawing a rectangle around
2171 the image. I believe it's looking better if we do
2172 nothing here for mouse-face. */
2173 if (s
->hl
== DRAW_CURSOR
)
2175 int r
= s
->img
->relief
;
2177 w32_draw_rectangle (hdc
, s
->gc
, x
- r
, y
- r
,
2178 s
->slice
.width
+ r
*2 - 1,
2179 s
->slice
.height
+ r
*2 - 1);
2183 SelectObject (hdc
, orig_brush
);
2184 DeleteObject (fg_brush
);
2185 SelectObject (compat_hdc
, orig_obj
);
2186 DeleteDC (compat_hdc
);
2189 w32_draw_rectangle (hdc
, s
->gc
, x
, y
,
2190 s
->slice
.width
- 1, s
->slice
.height
- 1);
2192 SelectObject (hdc
, orig_hdc_obj
);
2197 /* Draw part of the background of glyph string S. X, Y, W, and H
2198 give the rectangle to draw. */
2201 x_draw_glyph_string_bg_rect (s
, x
, y
, w
, h
)
2202 struct glyph_string
*s
;
2205 #if 0 /* TODO: stipple */
2208 /* Fill background with a stipple pattern. */
2209 XSetFillStyle (s
->display
, s
->gc
, FillOpaqueStippled
);
2210 XFillRectangle (s
->display
, s
->window
, s
->gc
, x
, y
, w
, h
);
2211 XSetFillStyle (s
->display
, s
->gc
, FillSolid
);
2215 x_clear_glyph_string_rect (s
, x
, y
, w
, h
);
2219 /* Draw image glyph string S.
2222 s->x +-------------------------
2225 | +-------------------------
2228 | | +-------------------
2234 x_draw_image_glyph_string (s
)
2235 struct glyph_string
*s
;
2238 int box_line_hwidth
= abs (s
->face
->box_line_width
);
2239 int box_line_vwidth
= max (s
->face
->box_line_width
, 0);
2243 height
= s
->height
- 2 * box_line_vwidth
;
2245 /* Fill background with face under the image. Do it only if row is
2246 taller than image or if image has a clip mask to reduce
2248 s
->stippled_p
= s
->face
->stipple
!= 0;
2249 if (height
> s
->slice
.height
2253 || s
->img
->pixmap
== 0
2254 || s
->width
!= s
->background_width
)
2257 if (s
->first_glyph
->left_box_line_p
2259 x
+= box_line_hwidth
;
2262 if (s
->slice
.y
== 0)
2263 y
+= box_line_vwidth
;
2265 #if 0 /* TODO: figure out if we need to do this on Windows. */
2268 /* Create a pixmap as large as the glyph string. Fill it
2269 with the background color. Copy the image to it, using
2270 its mask. Copy the temporary pixmap to the display. */
2271 Screen
*screen
= FRAME_X_SCREEN (s
->f
);
2272 int depth
= DefaultDepthOfScreen (screen
);
2274 /* Create a pixmap as large as the glyph string. */
2275 pixmap
= XCreatePixmap (s
->display
, s
->window
,
2276 s
->background_width
,
2279 /* Don't clip in the following because we're working on the
2281 XSetClipMask (s
->display
, s
->gc
, None
);
2283 /* Fill the pixmap with the background color/stipple. */
2286 /* Fill background with a stipple pattern. */
2287 XSetFillStyle (s
->display
, s
->gc
, FillOpaqueStippled
);
2288 XFillRectangle (s
->display
, pixmap
, s
->gc
,
2289 0, 0, s
->background_width
, s
->height
);
2290 XSetFillStyle (s
->display
, s
->gc
, FillSolid
);
2295 XGetGCValues (s
->display
, s
->gc
, GCForeground
| GCBackground
,
2297 XSetForeground (s
->display
, s
->gc
, xgcv
.background
);
2298 XFillRectangle (s
->display
, pixmap
, s
->gc
,
2299 0, 0, s
->background_width
, s
->height
);
2300 XSetForeground (s
->display
, s
->gc
, xgcv
.foreground
);
2305 x_draw_glyph_string_bg_rect (s
, x
, y
, s
->background_width
, height
);
2307 s
->background_filled_p
= 1;
2310 /* Draw the foreground. */
2313 w32_draw_image_foreground_1 (s
, pixmap
);
2314 x_set_glyph_string_clipping (s
);
2316 HDC compat_hdc
= CreateCompatibleDC (s
->hdc
);
2317 HBRUSH fg_brush
= CreateSolidBrush (s
->gc
->foreground
);
2318 HBRUSH orig_brush
= SelectObject (s
->hdc
, fg_brush
);
2319 HGDIOBJ orig_obj
= SelectObject (compat_hdc
, pixmap
);
2321 SetTextColor (s
->hdc
, s
->gc
->foreground
);
2322 SetBkColor (s
->hdc
, s
->gc
->background
);
2323 BitBlt (s
->hdc
, s
->x
, s
->y
, s
->background_width
, s
->height
,
2324 compat_hdc
, 0, 0, SRCCOPY
);
2326 SelectObject (s
->hdc
, orig_brush
);
2327 DeleteObject (fg_brush
);
2328 SelectObject (compat_hdc
, orig_obj
);
2329 DeleteDC (compat_hdc
);
2331 DeleteObject (pixmap
);
2335 x_draw_image_foreground (s
);
2337 /* If we must draw a relief around the image, do it. */
2339 || s
->hl
== DRAW_IMAGE_RAISED
2340 || s
->hl
== DRAW_IMAGE_SUNKEN
)
2341 x_draw_image_relief (s
);
2345 /* Draw stretch glyph string S. */
2348 x_draw_stretch_glyph_string (s
)
2349 struct glyph_string
*s
;
2351 xassert (s
->first_glyph
->type
== STRETCH_GLYPH
);
2352 s
->stippled_p
= s
->face
->stipple
!= 0;
2354 if (s
->hl
== DRAW_CURSOR
2355 && !x_stretch_cursor_p
)
2357 /* If `x-stretch-block-cursor' is nil, don't draw a block cursor
2358 as wide as the stretch glyph. */
2359 int width
= min (FRAME_COLUMN_WIDTH (s
->f
), s
->background_width
);
2362 x_draw_glyph_string_bg_rect (s
, s
->x
, s
->y
, width
, s
->height
);
2364 /* Clear rest using the GC of the original non-cursor face. */
2365 if (width
< s
->background_width
)
2367 XGCValues
*gc
= s
->face
->gc
;
2368 int x
= s
->x
+ width
, y
= s
->y
;
2369 int w
= s
->background_width
- width
, h
= s
->height
;
2373 if (s
->row
->mouse_face_p
2374 && cursor_in_mouse_face_p (s
->w
))
2376 x_set_mouse_face_gc (s
);
2382 get_glyph_string_clip_rect (s
, &r
);
2383 w32_set_clip_rectangle (hdc
, &r
);
2385 #if 0 /* TODO: stipple */
2386 if (s
->face
->stipple
)
2388 /* Fill background with a stipple pattern. */
2389 XSetFillStyle (s
->display
, gc
, FillOpaqueStippled
);
2390 XFillRectangle (s
->display
, s
->window
, gc
, x
, y
, w
, h
);
2391 XSetFillStyle (s
->display
, gc
, FillSolid
);
2396 w32_fill_area (s
->f
, s
->hdc
, gc
->background
, x
, y
, w
, h
);
2400 else if (!s
->background_filled_p
)
2401 x_draw_glyph_string_bg_rect (s
, s
->x
, s
->y
, s
->background_width
,
2404 s
->background_filled_p
= 1;
2408 /* Draw glyph string S. */
2411 x_draw_glyph_string (s
)
2412 struct glyph_string
*s
;
2414 int relief_drawn_p
= 0;
2416 /* If S draws into the background of its successor, draw the
2417 background of the successor first so that S can draw into it.
2418 This makes S->next use XDrawString instead of XDrawImageString. */
2419 if (s
->next
&& s
->right_overhang
&& !s
->for_overlaps_p
)
2421 xassert (s
->next
->img
== NULL
);
2422 x_set_glyph_string_gc (s
->next
);
2423 x_set_glyph_string_clipping (s
->next
);
2424 x_draw_glyph_string_background (s
->next
, 1);
2427 /* Set up S->gc, set clipping and draw S. */
2428 x_set_glyph_string_gc (s
);
2430 /* Draw relief (if any) in advance for char/composition so that the
2431 glyph string can be drawn over it. */
2432 if (!s
->for_overlaps_p
2433 && s
->face
->box
!= FACE_NO_BOX
2434 && (s
->first_glyph
->type
== CHAR_GLYPH
2435 || s
->first_glyph
->type
== COMPOSITE_GLYPH
))
2438 x_set_glyph_string_clipping (s
);
2439 x_draw_glyph_string_background (s
, 1);
2440 x_draw_glyph_string_box (s
);
2441 x_set_glyph_string_clipping (s
);
2445 x_set_glyph_string_clipping (s
);
2447 switch (s
->first_glyph
->type
)
2450 x_draw_image_glyph_string (s
);
2454 x_draw_stretch_glyph_string (s
);
2458 if (s
->for_overlaps_p
)
2459 s
->background_filled_p
= 1;
2461 x_draw_glyph_string_background (s
, 0);
2462 x_draw_glyph_string_foreground (s
);
2465 case COMPOSITE_GLYPH
:
2466 if (s
->for_overlaps_p
|| s
->gidx
> 0)
2467 s
->background_filled_p
= 1;
2469 x_draw_glyph_string_background (s
, 1);
2470 x_draw_composite_glyph_string_foreground (s
);
2477 if (!s
->for_overlaps_p
)
2479 /* Draw underline. */
2480 if (s
->face
->underline_p
2481 && (s
->font
->bdf
|| !s
->font
->tm
.tmUnderlined
))
2483 unsigned long h
= 1;
2484 unsigned long dy
= s
->height
- h
;
2486 /* TODO: Use font information for positioning and thickness
2487 of underline. See OUTLINETEXTMETRIC, and xterm.c. */
2488 if (s
->face
->underline_defaulted_p
)
2490 w32_fill_area (s
->f
, s
->hdc
, s
->gc
->foreground
, s
->x
,
2491 s
->y
+ dy
, s
->width
, 1);
2495 w32_fill_area (s
->f
, s
->hdc
, s
->face
->underline_color
, s
->x
,
2496 s
->y
+ dy
, s
->width
, 1);
2500 /* Draw overline. */
2501 if (s
->face
->overline_p
)
2503 unsigned long dy
= 0, h
= 1;
2505 if (s
->face
->overline_color_defaulted_p
)
2507 w32_fill_area (s
->f
, s
->hdc
, s
->gc
->foreground
, s
->x
,
2508 s
->y
+ dy
, s
->width
, h
);
2512 w32_fill_area (s
->f
, s
->hdc
, s
->face
->overline_color
, s
->x
,
2513 s
->y
+ dy
, s
->width
, h
);
2517 /* Draw strike-through. */
2518 if (s
->face
->strike_through_p
2519 && (s
->font
->bdf
|| !s
->font
->tm
.tmStruckOut
))
2521 unsigned long h
= 1;
2522 unsigned long dy
= (s
->height
- h
) / 2;
2524 if (s
->face
->strike_through_color_defaulted_p
)
2526 w32_fill_area (s
->f
, s
->hdc
, s
->gc
->foreground
, s
->x
, s
->y
+ dy
,
2531 w32_fill_area (s
->f
, s
->hdc
, s
->face
->underline_color
, s
->x
,
2532 s
->y
+ dy
, s
->width
, h
);
2537 if (!relief_drawn_p
&& s
->face
->box
!= FACE_NO_BOX
)
2538 x_draw_glyph_string_box (s
);
2541 /* Reset clipping. */
2542 w32_set_clip_rectangle (s
->hdc
, NULL
);
2546 /* Shift display to make room for inserted glyphs. */
2549 w32_shift_glyphs_for_insert (f
, x
, y
, width
, height
, shift_by
)
2551 int x
, y
, width
, height
, shift_by
;
2555 hdc
= get_frame_dc (f
);
2556 BitBlt (hdc
, x
+ shift_by
, y
, width
, height
,
2557 hdc
, x
, y
, SRCCOPY
);
2559 release_frame_dc (f
, hdc
);
2563 /* Delete N glyphs at the nominal cursor position. Not implemented
2575 f
= SELECTED_FRAME ();
2577 if (! FRAME_W32_P (f
))
2584 /* Clear entire frame. If updating_frame is non-null, clear that
2585 frame. Otherwise clear the selected frame. */
2595 f
= SELECTED_FRAME ();
2597 if (! FRAME_W32_P (f
))
2600 /* Clearing the frame will erase any cursor, so mark them all as no
2602 mark_window_cursors_off (XWINDOW (FRAME_ROOT_WINDOW (f
)));
2603 output_cursor
.hpos
= output_cursor
.vpos
= 0;
2604 output_cursor
.x
= -1;
2606 /* We don't set the output cursor here because there will always
2607 follow an explicit cursor_to. */
2610 w32_clear_window (f
);
2612 /* We have to clear the scroll bars, too. If we have changed
2613 colors or something like that, then they should be notified. */
2614 x_scroll_bar_clear (f
);
2620 /* Make audible bell. */
2623 w32_ring_bell (void)
2627 f
= SELECTED_FRAME ();
2631 if (FRAME_W32_P (f
) && visible_bell
)
2634 HWND hwnd
= FRAME_W32_WINDOW (SELECTED_FRAME ());
2636 for (i
= 0; i
< 5; i
++)
2638 FlashWindow (hwnd
, TRUE
);
2641 FlashWindow (hwnd
, FALSE
);
2644 w32_sys_ring_bell ();
2650 /* Specify how many text lines, from the top of the window,
2651 should be affected by insert-lines and delete-lines operations.
2652 This, and those operations, are used only within an update
2653 that is bounded by calls to x_update_begin and x_update_end. */
2656 w32_set_terminal_window (n
)
2659 /* This function intentionally left blank. */
2663 /***********************************************************************
2665 ***********************************************************************/
2667 /* Perform an insert-lines or delete-lines operation, inserting N
2668 lines or deleting -N lines at vertical position VPOS. */
2671 x_ins_del_lines (vpos
, n
)
2679 f
= SELECTED_FRAME ();
2681 if (! FRAME_W32_P (f
))
2688 /* Scroll part of the display as described by RUN. */
2691 x_scroll_run (w
, run
)
2695 struct frame
*f
= XFRAME (w
->frame
);
2696 int x
, y
, width
, height
, from_y
, to_y
, bottom_y
;
2697 HWND hwnd
= FRAME_W32_WINDOW (f
);
2700 /* Get frame-relative bounding box of the text display area of W,
2701 without mode lines. Include in this box the left and right
2703 window_box (w
, -1, &x
, &y
, &width
, &height
);
2705 from_y
= WINDOW_TO_FRAME_PIXEL_Y (w
, run
->current_y
);
2706 to_y
= WINDOW_TO_FRAME_PIXEL_Y (w
, run
->desired_y
);
2707 bottom_y
= y
+ height
;
2711 /* Scrolling up. Make sure we don't copy part of the mode
2712 line at the bottom. */
2713 if (from_y
+ run
->height
> bottom_y
)
2714 height
= bottom_y
- from_y
;
2716 height
= run
->height
;
2717 expect_dirty
= CreateRectRgn (x
, y
+ height
, x
+ width
, bottom_y
);
2721 /* Scolling down. Make sure we don't copy over the mode line.
2723 if (to_y
+ run
->height
> bottom_y
)
2724 height
= bottom_y
- to_y
;
2726 height
= run
->height
;
2727 expect_dirty
= CreateRectRgn (x
, y
, x
+ width
, to_y
);
2732 /* Cursor off. Will be switched on again in x_update_window_end. */
2739 HRGN dirty
= CreateRectRgn (0, 0, 0, 0);
2740 HRGN combined
= CreateRectRgn (0, 0, 0, 0);
2742 from
.left
= to
.left
= x
;
2743 from
.right
= to
.right
= x
+ width
;
2745 from
.bottom
= from_y
+ height
;
2747 to
.bottom
= bottom_y
;
2749 ScrollWindowEx (hwnd
, 0, to_y
- from_y
, &from
, &to
, dirty
,
2750 NULL
, SW_INVALIDATE
);
2752 /* Combine this with what we expect to be dirty. This covers the
2753 case where not all of the region we expect is actually dirty. */
2754 CombineRgn (combined
, dirty
, expect_dirty
, RGN_OR
);
2756 /* If the dirty region is not what we expected, redraw the entire frame. */
2757 if (!EqualRgn (combined
, expect_dirty
))
2758 SET_FRAME_GARBAGED (f
);
2760 DeleteObject (dirty
);
2761 DeleteObject (combined
);
2765 DeleteObject (expect_dirty
);
2770 /***********************************************************************
2772 ***********************************************************************/
2778 x_update_cursor (f
, 1);
2782 frame_unhighlight (f
)
2785 x_update_cursor (f
, 1);
2788 /* The focus has changed. Update the frames as necessary to reflect
2789 the new situation. Note that we can't change the selected frame
2790 here, because the Lisp code we are interrupting might become confused.
2791 Each event gets marked with the frame in which it occurred, so the
2792 Lisp code can tell when the switch took place by examining the events. */
2795 x_new_focus_frame (dpyinfo
, frame
)
2796 struct w32_display_info
*dpyinfo
;
2797 struct frame
*frame
;
2799 struct frame
*old_focus
= dpyinfo
->w32_focus_frame
;
2801 if (frame
!= dpyinfo
->w32_focus_frame
)
2803 /* Set this before calling other routines, so that they see
2804 the correct value of w32_focus_frame. */
2805 dpyinfo
->w32_focus_frame
= frame
;
2807 if (old_focus
&& old_focus
->auto_lower
)
2808 x_lower_frame (old_focus
);
2810 if (dpyinfo
->w32_focus_frame
&& dpyinfo
->w32_focus_frame
->auto_raise
)
2811 pending_autoraise_frame
= dpyinfo
->w32_focus_frame
;
2813 pending_autoraise_frame
= 0;
2816 x_frame_rehighlight (dpyinfo
);
2819 /* Handle an event saying the mouse has moved out of an Emacs frame. */
2822 x_mouse_leave (dpyinfo
)
2823 struct w32_display_info
*dpyinfo
;
2825 x_new_focus_frame (dpyinfo
, dpyinfo
->w32_focus_event_frame
);
2828 /* The focus has changed, or we have redirected a frame's focus to
2829 another frame (this happens when a frame uses a surrogate
2830 mini-buffer frame). Shift the highlight as appropriate.
2832 The FRAME argument doesn't necessarily have anything to do with which
2833 frame is being highlighted or un-highlighted; we only use it to find
2834 the appropriate X display info. */
2837 w32_frame_rehighlight (frame
)
2838 struct frame
*frame
;
2840 if (! FRAME_W32_P (frame
))
2842 x_frame_rehighlight (FRAME_W32_DISPLAY_INFO (frame
));
2846 x_frame_rehighlight (dpyinfo
)
2847 struct w32_display_info
*dpyinfo
;
2849 struct frame
*old_highlight
= dpyinfo
->x_highlight_frame
;
2851 if (dpyinfo
->w32_focus_frame
)
2853 dpyinfo
->x_highlight_frame
2854 = ((GC_FRAMEP (FRAME_FOCUS_FRAME (dpyinfo
->w32_focus_frame
)))
2855 ? XFRAME (FRAME_FOCUS_FRAME (dpyinfo
->w32_focus_frame
))
2856 : dpyinfo
->w32_focus_frame
);
2857 if (! FRAME_LIVE_P (dpyinfo
->x_highlight_frame
))
2859 FRAME_FOCUS_FRAME (dpyinfo
->w32_focus_frame
) = Qnil
;
2860 dpyinfo
->x_highlight_frame
= dpyinfo
->w32_focus_frame
;
2864 dpyinfo
->x_highlight_frame
= 0;
2866 if (dpyinfo
->x_highlight_frame
!= old_highlight
)
2869 frame_unhighlight (old_highlight
);
2870 if (dpyinfo
->x_highlight_frame
)
2871 frame_highlight (dpyinfo
->x_highlight_frame
);
2875 /* Keyboard processing - modifier keys, etc. */
2877 /* Convert a keysym to its name. */
2880 x_get_keysym_name (keysym
)
2883 /* Make static so we can always return it */
2884 static char value
[100];
2887 GetKeyNameText (keysym
, value
, 100);
2895 /* Mouse clicks and mouse movement. Rah. */
2897 /* Parse a button MESSAGE. The button index is returned in PBUTTON, and
2898 the state in PUP. XBUTTON provides extra information for extended mouse
2899 button messages. Returns FALSE if unable to parse the message. */
2901 parse_button (message
, xbutton
, pbutton
, pup
)
2912 case WM_LBUTTONDOWN
:
2920 case WM_MBUTTONDOWN
:
2921 if (NILP (Vw32_swap_mouse_buttons
))
2928 if (NILP (Vw32_swap_mouse_buttons
))
2934 case WM_RBUTTONDOWN
:
2935 if (NILP (Vw32_swap_mouse_buttons
))
2942 if (NILP (Vw32_swap_mouse_buttons
))
2948 case WM_XBUTTONDOWN
:
2949 button
= xbutton
+ 2;
2953 button
= xbutton
+ 2;
2961 if (pbutton
) *pbutton
= button
;
2967 /* Prepare a mouse-event in *RESULT for placement in the input queue.
2969 If the event is a button press, then note that we have grabbed
2973 construct_mouse_click (result
, msg
, f
)
2974 struct input_event
*result
;
2981 parse_button (msg
->msg
.message
, HIWORD (msg
->msg
.wParam
),
2984 /* Make the event type NO_EVENT; we'll change that when we decide
2986 result
->kind
= MOUSE_CLICK_EVENT
;
2987 result
->code
= button
;
2988 result
->timestamp
= msg
->msg
.time
;
2989 result
->modifiers
= (msg
->dwModifiers
2994 XSETINT (result
->x
, LOWORD (msg
->msg
.lParam
));
2995 XSETINT (result
->y
, HIWORD (msg
->msg
.lParam
));
2996 XSETFRAME (result
->frame_or_window
, f
);
3002 construct_mouse_wheel (result
, msg
, f
)
3003 struct input_event
*result
;
3010 result
->kind
= WHEEL_EVENT
;
3012 result
->timestamp
= msg
->msg
.time
;
3014 /* A WHEEL_DELTA positive value indicates that the wheel was rotated
3015 forward, away from the user (up); a negative value indicates that
3016 the wheel was rotated backward, toward the user (down). */
3017 delta
= GET_WHEEL_DELTA_WPARAM (msg
->msg
.wParam
);
3019 /* The up and down modifiers indicate if the wheel was rotated up or
3020 down based on WHEEL_DELTA value. */
3021 result
->modifiers
= (msg
->dwModifiers
3022 | ((delta
< 0 ) ? down_modifier
: up_modifier
));
3024 p
.x
= LOWORD (msg
->msg
.lParam
);
3025 p
.y
= HIWORD (msg
->msg
.lParam
);
3026 ScreenToClient (msg
->msg
.hwnd
, &p
);
3027 XSETINT (result
->x
, p
.x
);
3028 XSETINT (result
->y
, p
.y
);
3029 XSETFRAME (result
->frame_or_window
, f
);
3035 construct_drag_n_drop (result
, msg
, f
)
3036 struct input_event
*result
;
3048 result
->kind
= DRAG_N_DROP_EVENT
;
3050 result
->timestamp
= msg
->msg
.time
;
3051 result
->modifiers
= msg
->dwModifiers
;
3053 hdrop
= (HDROP
) msg
->msg
.wParam
;
3054 DragQueryPoint (hdrop
, &p
);
3057 p
.x
= LOWORD (msg
->msg
.lParam
);
3058 p
.y
= HIWORD (msg
->msg
.lParam
);
3059 ScreenToClient (msg
->msg
.hwnd
, &p
);
3062 XSETINT (result
->x
, p
.x
);
3063 XSETINT (result
->y
, p
.y
);
3065 num_files
= DragQueryFile (hdrop
, 0xFFFFFFFF, NULL
, 0);
3068 for (i
= 0; i
< num_files
; i
++)
3070 len
= DragQueryFile (hdrop
, i
, NULL
, 0);
3073 name
= alloca (len
+ 1);
3074 DragQueryFile (hdrop
, i
, name
, len
+ 1);
3075 files
= Fcons (DECODE_FILE (build_string (name
)), files
);
3080 XSETFRAME (frame
, f
);
3081 result
->frame_or_window
= Fcons (frame
, files
);
3087 /* Function to report a mouse movement to the mainstream Emacs code.
3088 The input handler calls this.
3090 We have received a mouse movement event, which is given in *event.
3091 If the mouse is over a different glyph than it was last time, tell
3092 the mainstream emacs code by setting mouse_moved. If not, ask for
3093 another motion event, so we can check again the next time it moves. */
3095 static MSG last_mouse_motion_event
;
3096 static Lisp_Object last_mouse_motion_frame
;
3098 static void remember_mouse_glyph
P_ ((struct frame
*, int, int));
3101 note_mouse_movement (frame
, msg
)
3105 int mouse_x
= LOWORD (msg
->lParam
);
3106 int mouse_y
= HIWORD (msg
->lParam
);
3108 last_mouse_movement_time
= msg
->time
;
3109 memcpy (&last_mouse_motion_event
, msg
, sizeof (last_mouse_motion_event
));
3110 XSETFRAME (last_mouse_motion_frame
, frame
);
3112 if (msg
->hwnd
!= FRAME_W32_WINDOW (frame
))
3114 frame
->mouse_moved
= 1;
3115 last_mouse_scroll_bar
= Qnil
;
3116 note_mouse_highlight (frame
, -1, -1);
3119 /* Has the mouse moved off the glyph it was on at the last sighting? */
3120 else if (mouse_x
< last_mouse_glyph
.left
3121 || mouse_x
> last_mouse_glyph
.right
3122 || mouse_y
< last_mouse_glyph
.top
3123 || mouse_y
> last_mouse_glyph
.bottom
)
3125 frame
->mouse_moved
= 1;
3126 last_mouse_scroll_bar
= Qnil
;
3127 note_mouse_highlight (frame
, mouse_x
, mouse_y
);
3128 /* Remember the mouse position here, as w32_mouse_position only
3129 gets called when mouse tracking is enabled but we also need
3130 to keep track of the mouse for help_echo and highlighting at
3132 remember_mouse_glyph (frame
, mouse_x
, mouse_y
);
3137 /************************************************************************
3139 ************************************************************************/
3141 static struct scroll_bar
*x_window_to_scroll_bar ();
3142 static void x_scroll_bar_report_motion ();
3143 static void x_check_fullscreen
P_ ((struct frame
*));
3144 static int glyph_rect
P_ ((struct frame
*f
, int, int, RECT
*));
3148 redo_mouse_highlight ()
3150 if (!NILP (last_mouse_motion_frame
)
3151 && FRAME_LIVE_P (XFRAME (last_mouse_motion_frame
)))
3152 note_mouse_highlight (XFRAME (last_mouse_motion_frame
),
3153 LOWORD (last_mouse_motion_event
.lParam
),
3154 HIWORD (last_mouse_motion_event
.lParam
));
3158 w32_define_cursor (window
, cursor
)
3162 PostMessage (window
, WM_EMACS_SETCURSOR
, (WPARAM
) cursor
, 0);
3165 /* Try to determine frame pixel position and size of the glyph under
3166 frame pixel coordinates X/Y on frame F . Return the position and
3167 size in *RECT. Value is non-zero if we could compute these
3171 glyph_rect (f
, x
, y
, rect
)
3178 window
= window_from_coordinates (f
, x
, y
, 0, &x
, &y
, 0);
3182 struct window
*w
= XWINDOW (window
);
3183 struct glyph_row
*r
= MATRIX_FIRST_TEXT_ROW (w
->current_matrix
);
3184 struct glyph_row
*end
= r
+ w
->current_matrix
->nrows
- 1;
3186 for (; r
< end
&& r
->enabled_p
; ++r
)
3187 if (r
->y
<= y
&& r
->y
+ r
->height
> y
)
3189 /* Found the row at y. */
3190 struct glyph
*g
= r
->glyphs
[TEXT_AREA
];
3191 struct glyph
*end
= g
+ r
->used
[TEXT_AREA
];
3194 rect
->top
= WINDOW_TO_FRAME_PIXEL_Y (w
, r
->y
);
3195 rect
->bottom
= rect
->top
+ r
->height
;
3199 /* x is to the left of the first glyph in the row. */
3200 /* Shouldn't this be a pixel value?
3201 WINDOW_LEFT_EDGE_X (w) seems to be the right value.
3203 rect
->left
= WINDOW_LEFT_EDGE_COL (w
);
3204 rect
->right
= WINDOW_TO_FRAME_PIXEL_X (w
, r
->x
);
3208 for (gx
= r
->x
; g
< end
; gx
+= g
->pixel_width
, ++g
)
3209 if (gx
<= x
&& gx
+ g
->pixel_width
> x
)
3211 /* x is on a glyph. */
3212 rect
->left
= WINDOW_TO_FRAME_PIXEL_X (w
, gx
);
3213 rect
->right
= rect
->left
+ g
->pixel_width
;
3217 /* x is to the right of the last glyph in the row. */
3218 rect
->left
= WINDOW_TO_FRAME_PIXEL_X (w
, gx
);
3219 /* Shouldn't this be a pixel value?
3220 WINDOW_RIGHT_EDGE_X (w) seems to be the right value.
3222 rect
->right
= WINDOW_RIGHT_EDGE_COL (w
);
3227 /* The y is not on any row. */
3231 /* Record the position of the mouse in last_mouse_glyph. */
3233 remember_mouse_glyph (f1
, gx
, gy
)
3237 if (!glyph_rect (f1
, gx
, gy
, &last_mouse_glyph
))
3239 int width
= FRAME_SMALLEST_CHAR_WIDTH (f1
);
3240 int height
= FRAME_SMALLEST_FONT_HEIGHT (f1
);
3242 /* Arrange for the division in FRAME_PIXEL_X_TO_COL etc. to
3243 round down even for negative values. */
3249 /* This was the original code from XTmouse_position, but it seems
3250 to give the position of the glyph diagonally next to the one
3251 the mouse is over. */
3252 gx
= (gx
+ width
- 1) / width
* width
;
3253 gy
= (gy
+ height
- 1) / height
* height
;
3255 gx
= gx
/ width
* width
;
3256 gy
= gy
/ height
* height
;
3259 last_mouse_glyph
.left
= gx
;
3260 last_mouse_glyph
.top
= gy
;
3261 last_mouse_glyph
.right
= gx
+ width
;
3262 last_mouse_glyph
.bottom
= gy
+ height
;
3266 /* Return the current position of the mouse.
3267 *fp should be a frame which indicates which display to ask about.
3269 If the mouse movement started in a scroll bar, set *fp, *bar_window,
3270 and *part to the frame, window, and scroll bar part that the mouse
3271 is over. Set *x and *y to the portion and whole of the mouse's
3272 position on the scroll bar.
3274 If the mouse movement started elsewhere, set *fp to the frame the
3275 mouse is on, *bar_window to nil, and *x and *y to the character cell
3278 Set *time to the server time-stamp for the time at which the mouse
3279 was at this position.
3281 Don't store anything if we don't have a valid set of values to report.
3283 This clears the mouse_moved flag, so we can wait for the next mouse
3287 w32_mouse_position (fp
, insist
, bar_window
, part
, x
, y
, time
)
3290 Lisp_Object
*bar_window
;
3291 enum scroll_bar_part
*part
;
3293 unsigned long *time
;
3299 if (! NILP (last_mouse_scroll_bar
) && insist
== 0)
3300 x_scroll_bar_report_motion (fp
, bar_window
, part
, x
, y
, time
);
3305 Lisp_Object frame
, tail
;
3307 /* Clear the mouse-moved flag for every frame on this display. */
3308 FOR_EACH_FRAME (tail
, frame
)
3309 XFRAME (frame
)->mouse_moved
= 0;
3311 last_mouse_scroll_bar
= Qnil
;
3315 /* Now we have a position on the root; find the innermost window
3316 containing the pointer. */
3318 if (FRAME_W32_DISPLAY_INFO (*fp
)->grabbed
&& last_mouse_frame
3319 && FRAME_LIVE_P (last_mouse_frame
))
3321 /* If mouse was grabbed on a frame, give coords for that frame
3322 even if the mouse is now outside it. */
3323 f1
= last_mouse_frame
;
3327 /* Is window under mouse one of our frames? */
3328 f1
= x_any_window_to_frame (FRAME_W32_DISPLAY_INFO (*fp
),
3329 WindowFromPoint (pt
));
3332 /* If not, is it one of our scroll bars? */
3335 struct scroll_bar
*bar
3336 = x_window_to_scroll_bar (WindowFromPoint (pt
));
3340 f1
= XFRAME (WINDOW_FRAME (XWINDOW (bar
->window
)));
3344 if (f1
== 0 && insist
> 0)
3345 f1
= SELECTED_FRAME ();
3349 /* Ok, we found a frame. Store all the values.
3350 last_mouse_glyph is a rectangle used to reduce the
3351 generation of mouse events. To not miss any motion
3352 events, we must divide the frame into rectangles of the
3353 size of the smallest character that could be displayed
3354 on it, i.e. into the same rectangles that matrices on
3355 the frame are divided into. */
3357 #if OLD_REDISPLAY_CODE
3358 int ignore1
, ignore2
;
3360 ScreenToClient (FRAME_W32_WINDOW (f1
), &pt
);
3362 pixel_to_glyph_coords (f1
, pt
.x
, pt
.y
, &ignore1
, &ignore2
,
3364 FRAME_W32_DISPLAY_INFO (f1
)->grabbed
3367 ScreenToClient (FRAME_W32_WINDOW (f1
), &pt
);
3368 remember_mouse_glyph (f1
, pt
.x
, pt
.y
);
3376 *time
= last_mouse_movement_time
;
3385 /***********************************************************************
3387 ***********************************************************************/
3389 /* Handle mouse button event on the tool-bar of frame F, at
3390 frame-relative coordinates X/Y. EVENT_TYPE is either ButtionPress
3394 w32_handle_tool_bar_click (f
, button_event
)
3396 struct input_event
*button_event
;
3398 int x
= XFASTINT (button_event
->x
);
3399 int y
= XFASTINT (button_event
->y
);
3401 if (button_event
->modifiers
& down_modifier
)
3402 handle_tool_bar_click (f
, x
, y
, 1, 0);
3404 handle_tool_bar_click (f
, x
, y
, 0,
3405 button_event
->modifiers
& ~up_modifier
);
3410 /***********************************************************************
3412 ***********************************************************************/
3414 /* Scroll bar support. */
3416 /* Given a window ID, find the struct scroll_bar which manages it.
3417 This can be called in GC, so we have to make sure to strip off mark
3420 static struct scroll_bar
*
3421 x_window_to_scroll_bar (window_id
)
3426 for (tail
= Vframe_list
;
3427 XGCTYPE (tail
) == Lisp_Cons
;
3430 Lisp_Object frame
, bar
, condemned
;
3432 frame
= XCAR (tail
);
3433 /* All elements of Vframe_list should be frames. */
3434 if (! GC_FRAMEP (frame
))
3437 /* Scan this frame's scroll bar list for a scroll bar with the
3439 condemned
= FRAME_CONDEMNED_SCROLL_BARS (XFRAME (frame
));
3440 for (bar
= FRAME_SCROLL_BARS (XFRAME (frame
));
3441 /* This trick allows us to search both the ordinary and
3442 condemned scroll bar lists with one loop. */
3443 ! GC_NILP (bar
) || (bar
= condemned
,
3446 bar
= XSCROLL_BAR (bar
)->next
)
3447 if (SCROLL_BAR_W32_WINDOW (XSCROLL_BAR (bar
)) == window_id
)
3448 return XSCROLL_BAR (bar
);
3456 /* Set the thumb size and position of scroll bar BAR. We are currently
3457 displaying PORTION out of a whole WHOLE, and our position POSITION. */
3460 w32_set_scroll_bar_thumb (bar
, portion
, position
, whole
)
3461 struct scroll_bar
*bar
;
3462 int portion
, position
, whole
;
3464 Window w
= SCROLL_BAR_W32_WINDOW (bar
);
3465 double range
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
));
3466 int sb_page
, sb_pos
;
3467 BOOL draggingp
= !NILP (bar
->dragging
) ? TRUE
: FALSE
;
3471 /* Position scroll bar at rock bottom if the bottom of the
3472 buffer is visible. This avoids shinking the thumb away
3473 to nothing if it is held at the bottom of the buffer. */
3474 if (position
+ portion
>= whole
)
3476 sb_page
= range
* (whole
- position
) / whole
3477 + VERTICAL_SCROLL_BAR_MIN_HANDLE
;
3481 sb_page
= portion
* range
/ whole
+ VERTICAL_SCROLL_BAR_MIN_HANDLE
;
3482 sb_pos
= position
* range
/ whole
;
3492 if (pfnSetScrollInfo
)
3496 si
.cbSize
= sizeof (si
);
3497 /* Only update page size if currently dragging, to reduce
3500 si
.fMask
= SIF_PAGE
;
3502 si
.fMask
= SIF_PAGE
| SIF_POS
;
3506 pfnSetScrollInfo (w
, SB_CTL
, &si
, !draggingp
);
3509 SetScrollPos (w
, SB_CTL
, sb_pos
, !draggingp
);
3515 /************************************************************************
3516 Scroll bars, general
3517 ************************************************************************/
3520 my_create_scrollbar (f
, bar
)
3522 struct scroll_bar
* bar
;
3524 return (HWND
) SendMessage (FRAME_W32_WINDOW (f
),
3525 WM_EMACS_CREATESCROLLBAR
, (WPARAM
) f
,
3529 /*#define ATTACH_THREADS*/
3532 my_show_window (FRAME_PTR f
, HWND hwnd
, int how
)
3534 #ifndef ATTACH_THREADS
3535 return SendMessage (FRAME_W32_WINDOW (f
), WM_EMACS_SHOWWINDOW
,
3536 (WPARAM
) hwnd
, (LPARAM
) how
);
3538 return ShowWindow (hwnd
, how
);
3543 my_set_window_pos (HWND hwnd
, HWND hwndAfter
,
3544 int x
, int y
, int cx
, int cy
, UINT flags
)
3546 #ifndef ATTACH_THREADS
3548 pos
.hwndInsertAfter
= hwndAfter
;
3554 SendMessage (hwnd
, WM_EMACS_SETWINDOWPOS
, (WPARAM
) &pos
, 0);
3556 SetWindowPos (hwnd
, hwndAfter
, x
, y
, cx
, cy
, flags
);
3561 my_set_focus (f
, hwnd
)
3565 SendMessage (FRAME_W32_WINDOW (f
), WM_EMACS_SETFOCUS
,
3570 my_set_foreground_window (hwnd
)
3573 SendMessage (hwnd
, WM_EMACS_SETFOREGROUND
, (WPARAM
) hwnd
, 0);
3577 my_destroy_window (f
, hwnd
)
3581 SendMessage (FRAME_W32_WINDOW (f
), WM_EMACS_DESTROYWINDOW
,
3585 /* Create a scroll bar and return the scroll bar vector for it. W is
3586 the Emacs window on which to create the scroll bar. TOP, LEFT,
3587 WIDTH and HEIGHT are.the pixel coordinates and dimensions of the
3590 static struct scroll_bar
*
3591 x_scroll_bar_create (w
, top
, left
, width
, height
)
3593 int top
, left
, width
, height
;
3595 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
3597 struct scroll_bar
*bar
3598 = XSCROLL_BAR (Fmake_vector (make_number (SCROLL_BAR_VEC_SIZE
), Qnil
));
3602 XSETWINDOW (bar
->window
, w
);
3603 XSETINT (bar
->top
, top
);
3604 XSETINT (bar
->left
, left
);
3605 XSETINT (bar
->width
, width
);
3606 XSETINT (bar
->height
, height
);
3607 XSETINT (bar
->start
, 0);
3608 XSETINT (bar
->end
, 0);
3609 bar
->dragging
= Qnil
;
3611 /* Requires geometry to be set before call to create the real window */
3613 hwnd
= my_create_scrollbar (f
, bar
);
3615 if (pfnSetScrollInfo
)
3619 si
.cbSize
= sizeof (si
);
3622 si
.nMax
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, height
)
3623 + VERTICAL_SCROLL_BAR_MIN_HANDLE
;
3627 pfnSetScrollInfo (hwnd
, SB_CTL
, &si
, FALSE
);
3631 SetScrollRange (hwnd
, SB_CTL
, 0,
3632 VERTICAL_SCROLL_BAR_TOP_RANGE (f
, height
), FALSE
);
3633 SetScrollPos (hwnd
, SB_CTL
, 0, FALSE
);
3636 SET_SCROLL_BAR_W32_WINDOW (bar
, hwnd
);
3638 /* Add bar to its frame's list of scroll bars. */
3639 bar
->next
= FRAME_SCROLL_BARS (f
);
3641 XSETVECTOR (FRAME_SCROLL_BARS (f
), bar
);
3642 if (! NILP (bar
->next
))
3643 XSETVECTOR (XSCROLL_BAR (bar
->next
)->prev
, bar
);
3651 /* Destroy scroll bar BAR, and set its Emacs window's scroll bar to
3655 x_scroll_bar_remove (bar
)
3656 struct scroll_bar
*bar
;
3658 FRAME_PTR f
= XFRAME (WINDOW_FRAME (XWINDOW (bar
->window
)));
3662 /* Destroy the window. */
3663 my_destroy_window (f
, SCROLL_BAR_W32_WINDOW (bar
));
3665 /* Disassociate this scroll bar from its window. */
3666 XWINDOW (bar
->window
)->vertical_scroll_bar
= Qnil
;
3671 /* Set the handle of the vertical scroll bar for WINDOW to indicate
3672 that we are displaying PORTION characters out of a total of WHOLE
3673 characters, starting at POSITION. If WINDOW has no scroll bar,
3676 w32_set_vertical_scroll_bar (w
, portion
, whole
, position
)
3678 int portion
, whole
, position
;
3680 struct frame
*f
= XFRAME (w
->frame
);
3681 struct scroll_bar
*bar
;
3682 int top
, height
, left
, sb_left
, width
, sb_width
;
3683 int window_y
, window_height
;
3685 /* Get window dimensions. */
3686 window_box (w
, -1, 0, &window_y
, 0, &window_height
);
3688 width
= WINDOW_CONFIG_SCROLL_BAR_COLS (w
) * FRAME_COLUMN_WIDTH (f
);
3689 height
= window_height
;
3691 /* Compute the left edge of the scroll bar area. */
3692 left
= WINDOW_SCROLL_BAR_AREA_X (w
);
3694 /* Compute the width of the scroll bar which might be less than
3695 the width of the area reserved for the scroll bar. */
3696 if (WINDOW_CONFIG_SCROLL_BAR_WIDTH (w
) > 0)
3697 sb_width
= WINDOW_CONFIG_SCROLL_BAR_WIDTH (w
);
3701 /* Compute the left edge of the scroll bar. */
3702 if (WINDOW_HAS_VERTICAL_SCROLL_BAR_ON_RIGHT (w
))
3703 sb_left
= left
+ width
- sb_width
- (width
- sb_width
) / 2;
3705 sb_left
= left
+ (width
- sb_width
) / 2;
3707 /* Does the scroll bar exist yet? */
3708 if (NILP (w
->vertical_scroll_bar
))
3712 if (width
> 0 && height
> 0)
3714 hdc
= get_frame_dc (f
);
3715 w32_clear_area (f
, hdc
, left
, top
, width
, height
);
3716 release_frame_dc (f
, hdc
);
3720 bar
= x_scroll_bar_create (w
, top
, sb_left
, sb_width
, height
);
3724 /* It may just need to be moved and resized. */
3727 bar
= XSCROLL_BAR (w
->vertical_scroll_bar
);
3728 hwnd
= SCROLL_BAR_W32_WINDOW (bar
);
3730 /* If already correctly positioned, do nothing. */
3731 if ( XINT (bar
->left
) == sb_left
3732 && XINT (bar
->top
) == top
3733 && XINT (bar
->width
) == sb_width
3734 && XINT (bar
->height
) == height
)
3736 /* Redraw after clear_frame. */
3737 if (!my_show_window (f
, hwnd
, SW_NORMAL
))
3738 InvalidateRect (hwnd
, NULL
, FALSE
);
3744 if (width
&& height
)
3746 hdc
= get_frame_dc (f
);
3747 /* Since Windows scroll bars are smaller than the space reserved
3748 for them on the frame, we have to clear "under" them. */
3749 w32_clear_area (f
, hdc
,
3754 release_frame_dc (f
, hdc
);
3756 /* Make sure scroll bar is "visible" before moving, to ensure the
3757 area of the parent window now exposed will be refreshed. */
3758 my_show_window (f
, hwnd
, SW_HIDE
);
3759 MoveWindow (hwnd
, sb_left
+ VERTICAL_SCROLL_BAR_WIDTH_TRIM
,
3760 top
, sb_width
- VERTICAL_SCROLL_BAR_WIDTH_TRIM
* 2,
3761 max (height
, 1), TRUE
);
3762 if (pfnSetScrollInfo
)
3766 si
.cbSize
= sizeof (si
);
3767 si
.fMask
= SIF_RANGE
;
3769 si
.nMax
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, height
)
3770 + VERTICAL_SCROLL_BAR_MIN_HANDLE
;
3772 pfnSetScrollInfo (hwnd
, SB_CTL
, &si
, FALSE
);
3775 SetScrollRange (hwnd
, SB_CTL
, 0,
3776 VERTICAL_SCROLL_BAR_TOP_RANGE (f
, height
), FALSE
);
3777 my_show_window (f
, hwnd
, SW_NORMAL
);
3778 /* InvalidateRect (w, NULL, FALSE); */
3780 /* Remember new settings. */
3781 XSETINT (bar
->left
, sb_left
);
3782 XSETINT (bar
->top
, top
);
3783 XSETINT (bar
->width
, sb_width
);
3784 XSETINT (bar
->height
, height
);
3789 w32_set_scroll_bar_thumb (bar
, portion
, position
, whole
);
3791 XSETVECTOR (w
->vertical_scroll_bar
, bar
);
3795 /* The following three hooks are used when we're doing a thorough
3796 redisplay of the frame. We don't explicitly know which scroll bars
3797 are going to be deleted, because keeping track of when windows go
3798 away is a real pain - "Can you say set-window-configuration, boys
3799 and girls?" Instead, we just assert at the beginning of redisplay
3800 that *all* scroll bars are to be removed, and then save a scroll bar
3801 from the fiery pit when we actually redisplay its window. */
3803 /* Arrange for all scroll bars on FRAME to be removed at the next call
3804 to `*judge_scroll_bars_hook'. A scroll bar may be spared if
3805 `*redeem_scroll_bar_hook' is applied to its window before the judgment. */
3808 w32_condemn_scroll_bars (frame
)
3811 /* Transfer all the scroll bars to FRAME_CONDEMNED_SCROLL_BARS. */
3812 while (! NILP (FRAME_SCROLL_BARS (frame
)))
3815 bar
= FRAME_SCROLL_BARS (frame
);
3816 FRAME_SCROLL_BARS (frame
) = XSCROLL_BAR (bar
)->next
;
3817 XSCROLL_BAR (bar
)->next
= FRAME_CONDEMNED_SCROLL_BARS (frame
);
3818 XSCROLL_BAR (bar
)->prev
= Qnil
;
3819 if (! NILP (FRAME_CONDEMNED_SCROLL_BARS (frame
)))
3820 XSCROLL_BAR (FRAME_CONDEMNED_SCROLL_BARS (frame
))->prev
= bar
;
3821 FRAME_CONDEMNED_SCROLL_BARS (frame
) = bar
;
3826 /* Un-mark WINDOW's scroll bar for deletion in this judgment cycle.
3827 Note that WINDOW isn't necessarily condemned at all. */
3830 w32_redeem_scroll_bar (window
)
3831 struct window
*window
;
3833 struct scroll_bar
*bar
;
3836 /* We can't redeem this window's scroll bar if it doesn't have one. */
3837 if (NILP (window
->vertical_scroll_bar
))
3840 bar
= XSCROLL_BAR (window
->vertical_scroll_bar
);
3842 /* Unlink it from the condemned list. */
3843 f
= XFRAME (WINDOW_FRAME (window
));
3844 if (NILP (bar
->prev
))
3846 /* If the prev pointer is nil, it must be the first in one of
3848 if (EQ (FRAME_SCROLL_BARS (f
), window
->vertical_scroll_bar
))
3849 /* It's not condemned. Everything's fine. */
3851 else if (EQ (FRAME_CONDEMNED_SCROLL_BARS (f
),
3852 window
->vertical_scroll_bar
))
3853 FRAME_CONDEMNED_SCROLL_BARS (f
) = bar
->next
;
3855 /* If its prev pointer is nil, it must be at the front of
3856 one or the other! */
3860 XSCROLL_BAR (bar
->prev
)->next
= bar
->next
;
3862 if (! NILP (bar
->next
))
3863 XSCROLL_BAR (bar
->next
)->prev
= bar
->prev
;
3865 bar
->next
= FRAME_SCROLL_BARS (f
);
3867 XSETVECTOR (FRAME_SCROLL_BARS (f
), bar
);
3868 if (! NILP (bar
->next
))
3869 XSETVECTOR (XSCROLL_BAR (bar
->next
)->prev
, bar
);
3872 /* Remove all scroll bars on FRAME that haven't been saved since the
3873 last call to `*condemn_scroll_bars_hook'. */
3876 w32_judge_scroll_bars (f
)
3879 Lisp_Object bar
, next
;
3881 bar
= FRAME_CONDEMNED_SCROLL_BARS (f
);
3883 /* Clear out the condemned list now so we won't try to process any
3884 more events on the hapless scroll bars. */
3885 FRAME_CONDEMNED_SCROLL_BARS (f
) = Qnil
;
3887 for (; ! NILP (bar
); bar
= next
)
3889 struct scroll_bar
*b
= XSCROLL_BAR (bar
);
3891 x_scroll_bar_remove (b
);
3894 b
->next
= b
->prev
= Qnil
;
3897 /* Now there should be no references to the condemned scroll bars,
3898 and they should get garbage-collected. */
3901 /* Handle a mouse click on the scroll bar BAR. If *EMACS_EVENT's kind
3902 is set to something other than NO_EVENT, it is enqueued.
3904 This may be called from a signal handler, so we have to ignore GC
3908 w32_scroll_bar_handle_click (bar
, msg
, emacs_event
)
3909 struct scroll_bar
*bar
;
3911 struct input_event
*emacs_event
;
3913 if (! GC_WINDOWP (bar
->window
))
3916 emacs_event
->kind
= W32_SCROLL_BAR_CLICK_EVENT
;
3917 emacs_event
->code
= 0;
3918 /* not really meaningful to distinguish up/down */
3919 emacs_event
->modifiers
= msg
->dwModifiers
;
3920 emacs_event
->frame_or_window
= bar
->window
;
3921 emacs_event
->arg
= Qnil
;
3922 emacs_event
->timestamp
= msg
->msg
.time
;
3925 int top_range
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
));
3927 int dragging
= !NILP (bar
->dragging
);
3929 if (pfnGetScrollInfo
)
3933 si
.cbSize
= sizeof (si
);
3936 pfnGetScrollInfo ((HWND
) msg
->msg
.lParam
, SB_CTL
, &si
);
3940 y
= GetScrollPos ((HWND
) msg
->msg
.lParam
, SB_CTL
);
3942 bar
->dragging
= Qnil
;
3945 last_mouse_scroll_bar_pos
= msg
->msg
.wParam
;
3947 switch (LOWORD (msg
->msg
.wParam
))
3950 emacs_event
->part
= scroll_bar_down_arrow
;
3953 emacs_event
->part
= scroll_bar_up_arrow
;
3956 emacs_event
->part
= scroll_bar_above_handle
;
3959 emacs_event
->part
= scroll_bar_below_handle
;
3962 emacs_event
->part
= scroll_bar_handle
;
3966 emacs_event
->part
= scroll_bar_handle
;
3970 case SB_THUMBPOSITION
:
3971 if (VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
)) <= 0xffff)
3972 y
= HIWORD (msg
->msg
.wParam
);
3974 emacs_event
->part
= scroll_bar_handle
;
3976 /* "Silently" update current position. */
3977 if (pfnSetScrollInfo
)
3981 si
.cbSize
= sizeof (si
);
3984 /* Remember apparent position (we actually lag behind the real
3985 position, so don't set that directly. */
3986 last_scroll_bar_drag_pos
= y
;
3988 pfnSetScrollInfo (SCROLL_BAR_W32_WINDOW (bar
), SB_CTL
, &si
, FALSE
);
3991 SetScrollPos (SCROLL_BAR_W32_WINDOW (bar
), SB_CTL
, y
, FALSE
);
3994 /* If this is the end of a drag sequence, then reset the scroll
3995 handle size to normal and do a final redraw. Otherwise do
3999 if (pfnSetScrollInfo
)
4002 int start
= XINT (bar
->start
);
4003 int end
= XINT (bar
->end
);
4005 si
.cbSize
= sizeof (si
);
4006 si
.fMask
= SIF_PAGE
| SIF_POS
;
4007 si
.nPage
= end
- start
+ VERTICAL_SCROLL_BAR_MIN_HANDLE
;
4008 si
.nPos
= last_scroll_bar_drag_pos
;
4009 pfnSetScrollInfo (SCROLL_BAR_W32_WINDOW (bar
), SB_CTL
, &si
, TRUE
);
4012 SetScrollPos (SCROLL_BAR_W32_WINDOW (bar
), SB_CTL
, y
, TRUE
);
4016 emacs_event
->kind
= NO_EVENT
;
4020 XSETINT (emacs_event
->x
, y
);
4021 XSETINT (emacs_event
->y
, top_range
);
4027 /* Return information to the user about the current position of the mouse
4028 on the scroll bar. */
4031 x_scroll_bar_report_motion (fp
, bar_window
, part
, x
, y
, time
)
4033 Lisp_Object
*bar_window
;
4034 enum scroll_bar_part
*part
;
4036 unsigned long *time
;
4038 struct scroll_bar
*bar
= XSCROLL_BAR (last_mouse_scroll_bar
);
4039 Window w
= SCROLL_BAR_W32_WINDOW (bar
);
4040 FRAME_PTR f
= XFRAME (WINDOW_FRAME (XWINDOW (bar
->window
)));
4042 int top_range
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
));
4047 *bar_window
= bar
->window
;
4049 if (pfnGetScrollInfo
)
4053 si
.cbSize
= sizeof (si
);
4054 si
.fMask
= SIF_POS
| SIF_PAGE
| SIF_RANGE
;
4056 pfnGetScrollInfo (w
, SB_CTL
, &si
);
4058 top_range
= si
.nMax
- si
.nPage
+ 1;
4061 pos
= GetScrollPos (w
, SB_CTL
);
4063 switch (LOWORD (last_mouse_scroll_bar_pos
))
4065 case SB_THUMBPOSITION
:
4067 *part
= scroll_bar_handle
;
4068 if (VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
)) <= 0xffff)
4069 pos
= HIWORD (last_mouse_scroll_bar_pos
);
4072 *part
= scroll_bar_handle
;
4076 *part
= scroll_bar_handle
;
4081 XSETINT (*y
, top_range
);
4084 last_mouse_scroll_bar
= Qnil
;
4086 *time
= last_mouse_movement_time
;
4092 /* The screen has been cleared so we may have changed foreground or
4093 background colors, and the scroll bars may need to be redrawn.
4094 Clear out the scroll bars, and ask for expose events, so we can
4098 x_scroll_bar_clear (f
)
4103 /* We can have scroll bars even if this is 0,
4104 if we just turned off scroll bar mode.
4105 But in that case we should not clear them. */
4106 if (FRAME_HAS_VERTICAL_SCROLL_BARS (f
))
4107 for (bar
= FRAME_SCROLL_BARS (f
); VECTORP (bar
);
4108 bar
= XSCROLL_BAR (bar
)->next
)
4110 HWND window
= SCROLL_BAR_W32_WINDOW (XSCROLL_BAR (bar
));
4111 HDC hdc
= GetDC (window
);
4114 /* Hide scroll bar until ready to repaint. x_scroll_bar_move
4115 arranges to refresh the scroll bar if hidden. */
4116 my_show_window (f
, window
, SW_HIDE
);
4118 GetClientRect (window
, &rect
);
4119 select_palette (f
, hdc
);
4120 w32_clear_rect (f
, hdc
, &rect
);
4121 deselect_palette (f
, hdc
);
4123 ReleaseDC (window
, hdc
);
4128 /* The main W32 event-reading loop - w32_read_socket. */
4130 /* Record the last 100 characters stored
4131 to help debug the loss-of-chars-during-GC problem. */
4133 static int temp_index
;
4134 static short temp_buffer
[100];
4137 /* Read events coming from the W32 shell.
4138 This routine is called by the SIGIO handler.
4139 We return as soon as there are no more events to be read.
4141 We return the number of characters stored into the buffer,
4142 thus pretending to be `read'.
4144 EXPECTED is nonzero if the caller knows input is available.
4146 Some of these messages are reposted back to the message queue since the
4147 system calls the windows proc directly in a context where we cannot return
4148 the data nor can we guarantee the state we are in. So if we dispatch them
4149 we will get into an infinite loop. To prevent this from ever happening we
4150 will set a variable to indicate we are in the read_socket call and indicate
4151 which message we are processing since the windows proc gets called
4152 recursively with different messages by the system.
4156 w32_read_socket (sd
, expected
, hold_quit
)
4159 struct input_event
*hold_quit
;
4162 int check_visibility
= 0;
4165 struct w32_display_info
*dpyinfo
= &one_w32_display_info
;
4167 if (interrupt_input_blocked
)
4169 interrupt_input_pending
= 1;
4173 interrupt_input_pending
= 0;
4176 /* So people can tell when we have read the available input. */
4177 input_signal_count
++;
4179 /* TODO: ghostscript integration. */
4180 while (get_next_msg (&msg
, FALSE
))
4182 struct input_event inev
;
4186 inev
.kind
= NO_EVENT
;
4189 switch (msg
.msg
.message
)
4192 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4196 if (msg
.rect
.right
== msg
.rect
.left
||
4197 msg
.rect
.bottom
== msg
.rect
.top
)
4199 /* We may get paint messages even though the client
4200 area is clipped - these are not expose events. */
4201 DebPrint (("clipped frame %p (%s) got WM_PAINT - ignored\n", f
,
4204 else if (f
->async_visible
!= 1)
4206 /* Definitely not obscured, so mark as visible. */
4207 f
->async_visible
= 1;
4208 f
->async_iconified
= 0;
4209 SET_FRAME_GARBAGED (f
);
4210 DebPrint (("frame %p (%s) reexposed by WM_PAINT\n", f
,
4213 /* WM_PAINT serves as MapNotify as well, so report
4214 visibility changes properly. */
4217 inev
.kind
= DEICONIFY_EVENT
;
4218 XSETFRAME (inev
.frame_or_window
, f
);
4220 else if (! NILP (Vframe_list
)
4221 && ! NILP (XCDR (Vframe_list
)))
4222 /* Force a redisplay sooner or later to update the
4223 frame titles in case this is the second frame. */
4224 record_asynch_buffer_change ();
4228 HDC hdc
= get_frame_dc (f
);
4230 /* Erase background again for safety. */
4231 w32_clear_rect (f
, hdc
, &msg
.rect
);
4232 release_frame_dc (f
, hdc
);
4236 msg
.rect
.right
- msg
.rect
.left
,
4237 msg
.rect
.bottom
- msg
.rect
.top
);
4242 case WM_INPUTLANGCHANGE
:
4243 /* Generate a language change event. */
4244 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4248 inev
.kind
= LANGUAGE_CHANGE_EVENT
;
4249 XSETFRAME (inev
.frame_or_window
, f
);
4250 inev
.code
= msg
.msg
.wParam
;
4251 inev
.modifiers
= msg
.msg
.lParam
& 0xffff;
4257 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4259 if (f
&& !f
->iconified
)
4261 if (!dpyinfo
->mouse_face_hidden
&& INTEGERP (Vmouse_highlight
))
4263 clear_mouse_face (dpyinfo
);
4264 dpyinfo
->mouse_face_hidden
= 1;
4267 if (temp_index
== sizeof temp_buffer
/ sizeof (short))
4269 temp_buffer
[temp_index
++] = msg
.msg
.wParam
;
4270 inev
.kind
= NON_ASCII_KEYSTROKE_EVENT
;
4271 inev
.code
= msg
.msg
.wParam
;
4272 inev
.modifiers
= msg
.dwModifiers
;
4273 XSETFRAME (inev
.frame_or_window
, f
);
4274 inev
.timestamp
= msg
.msg
.time
;
4280 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4282 if (f
&& !f
->iconified
)
4284 if (!dpyinfo
->mouse_face_hidden
&& INTEGERP (Vmouse_highlight
))
4286 clear_mouse_face (dpyinfo
);
4287 dpyinfo
->mouse_face_hidden
= 1;
4290 if (temp_index
== sizeof temp_buffer
/ sizeof (short))
4292 temp_buffer
[temp_index
++] = msg
.msg
.wParam
;
4293 inev
.kind
= ASCII_KEYSTROKE_EVENT
;
4294 inev
.code
= msg
.msg
.wParam
;
4295 inev
.modifiers
= msg
.dwModifiers
;
4296 XSETFRAME (inev
.frame_or_window
, f
);
4297 inev
.timestamp
= msg
.msg
.time
;
4302 /* Ignore non-movement. */
4304 int x
= LOWORD (msg
.msg
.lParam
);
4305 int y
= HIWORD (msg
.msg
.lParam
);
4306 if (x
== last_mousemove_x
&& y
== last_mousemove_y
)
4308 last_mousemove_x
= x
;
4309 last_mousemove_y
= y
;
4312 previous_help_echo_string
= help_echo_string
;
4314 if (dpyinfo
->grabbed
&& last_mouse_frame
4315 && FRAME_LIVE_P (last_mouse_frame
))
4316 f
= last_mouse_frame
;
4318 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4320 if (dpyinfo
->mouse_face_hidden
)
4322 dpyinfo
->mouse_face_hidden
= 0;
4323 clear_mouse_face (dpyinfo
);
4328 /* Generate SELECT_WINDOW_EVENTs when needed. */
4329 if (mouse_autoselect_window
)
4332 int x
= LOWORD (msg
.msg
.lParam
);
4333 int y
= HIWORD (msg
.msg
.lParam
);
4335 window
= window_from_coordinates (f
, x
, y
, 0, 0, 0, 0);
4337 /* Window will be selected only when it is not
4338 selected now and last mouse movement event was
4339 not in it. Minibuffer window will be selected
4340 iff it is active. */
4342 && !EQ (window
, last_window
)
4343 && !EQ (window
, selected_window
))
4345 inev
.kind
= SELECT_WINDOW_EVENT
;
4346 inev
.frame_or_window
= window
;
4351 note_mouse_movement (f
, &msg
.msg
);
4355 /* If we move outside the frame, then we're
4356 certainly no longer on any text in the frame. */
4357 clear_mouse_face (dpyinfo
);
4360 /* If the contents of the global variable help_echo_string
4361 has changed, generate a HELP_EVENT. */
4362 #if 0 /* The below is an invalid comparison when USE_LISP_UNION_TYPE.
4363 But it was originally changed to this to fix a bug, so I have
4364 not removed it completely in case the bug is still there. */
4365 if (help_echo_string
!= previous_help_echo_string
||
4366 (!NILP (help_echo_string
) && !STRINGP (help_echo_string
) && f
->mouse_moved
))
4367 #else /* This is what xterm.c does. */
4368 if (!NILP (help_echo_string
)
4369 || !NILP (previous_help_echo_string
))
4374 case WM_LBUTTONDOWN
:
4376 case WM_MBUTTONDOWN
:
4378 case WM_RBUTTONDOWN
:
4380 case WM_XBUTTONDOWN
:
4383 /* If we decide we want to generate an event to be seen
4384 by the rest of Emacs, we put it here. */
4389 if (dpyinfo
->grabbed
&& last_mouse_frame
4390 && FRAME_LIVE_P (last_mouse_frame
))
4391 f
= last_mouse_frame
;
4393 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4397 construct_mouse_click (&inev
, &msg
, f
);
4399 /* Is this in the tool-bar? */
4400 if (WINDOWP (f
->tool_bar_window
)
4401 && WINDOW_TOTAL_LINES (XWINDOW (f
->tool_bar_window
)))
4404 int x
= XFASTINT (inev
.x
);
4405 int y
= XFASTINT (inev
.y
);
4407 window
= window_from_coordinates (f
, x
, y
, 0, 0, 0, 1);
4409 if (EQ (window
, f
->tool_bar_window
))
4411 w32_handle_tool_bar_click (f
, &inev
);
4417 || (dpyinfo
->w32_focus_frame
4418 && f
!= dpyinfo
->w32_focus_frame
))
4419 inev
.kind
= NO_EVENT
;
4422 parse_button (msg
.msg
.message
, HIWORD (msg
.msg
.wParam
),
4427 dpyinfo
->grabbed
&= ~ (1 << button
);
4431 dpyinfo
->grabbed
|= (1 << button
);
4432 last_mouse_frame
= f
;
4433 /* Ignore any mouse motion that happened
4434 before this event; any subsequent mouse-movement
4435 Emacs events should reflect only motion after
4441 last_tool_bar_item
= -1;
4448 if (dpyinfo
->grabbed
&& last_mouse_frame
4449 && FRAME_LIVE_P (last_mouse_frame
))
4450 f
= last_mouse_frame
;
4452 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4457 if (!dpyinfo
->w32_focus_frame
4458 || f
== dpyinfo
->w32_focus_frame
)
4460 /* Emit an Emacs wheel-up/down event. */
4461 construct_mouse_wheel (&inev
, &msg
, f
);
4463 /* Ignore any mouse motion that happened before this
4464 event; any subsequent mouse-movement Emacs events
4465 should reflect only motion after the
4469 last_mouse_frame
= f
;
4470 last_tool_bar_item
= -1;
4475 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4478 construct_drag_n_drop (&inev
, &msg
, f
);
4483 struct scroll_bar
*bar
=
4484 x_window_to_scroll_bar ((HWND
)msg
.msg
.lParam
);
4487 w32_scroll_bar_handle_click (bar
, &msg
, &inev
);
4491 case WM_WINDOWPOSCHANGED
:
4492 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4495 if (f
->want_fullscreen
& FULLSCREEN_WAIT
)
4496 f
->want_fullscreen
&= ~(FULLSCREEN_WAIT
|FULLSCREEN_BOTH
);
4498 check_visibility
= 1;
4502 case WM_ACTIVATEAPP
:
4503 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4505 x_check_fullscreen (f
);
4506 check_visibility
= 1;
4510 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4512 if (f
&& !f
->async_iconified
)
4516 x_real_positions (f
, &x
, &y
);
4521 check_visibility
= 1;
4525 /* wParam non-zero means Window is about to be shown, 0 means
4526 about to be hidden. */
4527 /* Redo the mouse-highlight after the tooltip has gone. */
4528 if (!msg
.msg
.wParam
&& msg
.msg
.hwnd
== tip_window
)
4531 redo_mouse_highlight ();
4534 /* If window has been obscured or exposed by another window
4535 being maximised or minimised/restored, then recheck
4536 visibility of all frames. Direct changes to our own
4537 windows get handled by WM_SIZE. */
4539 if (msg
.msg
.lParam
!= 0)
4540 check_visibility
= 1;
4543 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4544 f
->async_visible
= msg
.msg
.wParam
;
4548 check_visibility
= 1;
4552 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4554 /* Inform lisp of whether frame has been iconified etc. */
4557 switch (msg
.msg
.wParam
)
4559 case SIZE_MINIMIZED
:
4560 f
->async_visible
= 0;
4561 f
->async_iconified
= 1;
4563 inev
.kind
= ICONIFY_EVENT
;
4564 XSETFRAME (inev
.frame_or_window
, f
);
4567 case SIZE_MAXIMIZED
:
4569 f
->async_visible
= 1;
4570 f
->async_iconified
= 0;
4572 /* wait_reading_process_output will notice this and update
4573 the frame's display structures. */
4574 SET_FRAME_GARBAGED (f
);
4580 /* Reset top and left positions of the Window
4581 here since Windows sends a WM_MOVE message
4582 BEFORE telling us the Window is minimized
4583 when the Window is iconified, with 3000,3000
4585 x_real_positions (f
, &x
, &y
);
4589 inev
.kind
= DEICONIFY_EVENT
;
4590 XSETFRAME (inev
.frame_or_window
, f
);
4592 else if (! NILP (Vframe_list
)
4593 && ! NILP (XCDR (Vframe_list
)))
4594 /* Force a redisplay sooner or later
4595 to update the frame titles
4596 in case this is the second frame. */
4597 record_asynch_buffer_change ();
4602 if (f
&& !f
->async_iconified
&& msg
.msg
.wParam
!= SIZE_MINIMIZED
)
4610 GetClientRect (msg
.msg
.hwnd
, &rect
);
4612 height
= rect
.bottom
- rect
.top
;
4613 width
= rect
.right
- rect
.left
;
4615 rows
= FRAME_PIXEL_HEIGHT_TO_TEXT_LINES (f
, height
);
4616 columns
= FRAME_PIXEL_WIDTH_TO_TEXT_COLS (f
, width
);
4618 /* TODO: Clip size to the screen dimensions. */
4620 /* Even if the number of character rows and columns has
4621 not changed, the font size may have changed, so we need
4622 to check the pixel dimensions as well. */
4624 if (columns
!= FRAME_COLS (f
)
4625 || rows
!= FRAME_LINES (f
)
4626 || width
!= FRAME_PIXEL_WIDTH (f
)
4627 || height
!= FRAME_PIXEL_HEIGHT (f
))
4629 change_frame_size (f
, rows
, columns
, 0, 1, 0);
4630 SET_FRAME_GARBAGED (f
);
4631 cancel_mouse_face (f
);
4632 FRAME_PIXEL_WIDTH (f
) = width
;
4633 FRAME_PIXEL_HEIGHT (f
) = height
;
4634 f
->win_gravity
= NorthWestGravity
;
4638 check_visibility
= 1;
4642 f
= x_any_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4645 if (f
== dpyinfo
->mouse_face_mouse_frame
)
4647 /* If we move outside the frame, then we're
4648 certainly no longer on any text in the frame. */
4649 clear_mouse_face (dpyinfo
);
4650 dpyinfo
->mouse_face_mouse_frame
= 0;
4653 /* Generate a nil HELP_EVENT to cancel a help-echo.
4654 Do it only if there's something to cancel.
4655 Otherwise, the startup message is cleared when
4656 the mouse leaves the frame. */
4657 if (any_help_event_p
)
4663 /* TODO: Port this change:
4664 2002-06-28 Jan D. <jan.h.d@swipnet.se>
4665 * xterm.h (struct x_output): Add focus_state.
4666 * xterm.c (x_focus_changed): New function.
4667 (x_detect_focus_change): New function.
4668 (XTread_socket): Call x_detect_focus_change for FocusIn/FocusOut
4669 EnterNotify and LeaveNotify to track X focus changes.
4671 f
= x_any_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4673 dpyinfo
->w32_focus_event_frame
= f
;
4676 x_new_focus_frame (dpyinfo
, f
);
4678 dpyinfo
->grabbed
= 0;
4679 check_visibility
= 1;
4683 /* TODO: some of this belongs in MOUSE_LEAVE */
4684 f
= x_top_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4688 if (f
== dpyinfo
->w32_focus_event_frame
)
4689 dpyinfo
->w32_focus_event_frame
= 0;
4691 if (f
== dpyinfo
->w32_focus_frame
)
4692 x_new_focus_frame (dpyinfo
, 0);
4694 if (f
== dpyinfo
->mouse_face_mouse_frame
)
4696 /* If we move outside the frame, then we're
4697 certainly no longer on any text in the frame. */
4698 clear_mouse_face (dpyinfo
);
4699 dpyinfo
->mouse_face_mouse_frame
= 0;
4702 /* Generate a nil HELP_EVENT to cancel a help-echo.
4703 Do it only if there's something to cancel.
4704 Otherwise, the startup message is cleared when
4705 the mouse leaves the frame. */
4706 if (any_help_event_p
)
4710 dpyinfo
->grabbed
= 0;
4711 check_visibility
= 1;
4715 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4719 inev
.kind
= DELETE_WINDOW_EVENT
;
4720 XSETFRAME (inev
.frame_or_window
, f
);
4725 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4729 inev
.kind
= MENU_BAR_ACTIVATE_EVENT
;
4730 XSETFRAME (inev
.frame_or_window
, f
);
4735 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4739 extern void menubar_selection_callback
4740 (FRAME_PTR f
, void * client_data
);
4741 menubar_selection_callback (f
, (void *)msg
.msg
.wParam
);
4744 check_visibility
= 1;
4747 case WM_DISPLAYCHANGE
:
4748 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4752 dpyinfo
->width
= (short) LOWORD (msg
.msg
.lParam
);
4753 dpyinfo
->height
= (short) HIWORD (msg
.msg
.lParam
);
4754 dpyinfo
->n_cbits
= msg
.msg
.wParam
;
4755 DebPrint (("display change: %d %d\n", dpyinfo
->width
,
4759 check_visibility
= 1;
4763 /* Check for messages registered at runtime. */
4764 if (msg
.msg
.message
== msh_mousewheel
)
4766 /* Forward MSH_MOUSEWHEEL as WM_MOUSEWHEEL. */
4767 msg
.msg
.message
= WM_MOUSEWHEEL
;
4773 if (inev
.kind
!= NO_EVENT
)
4775 kbd_buffer_store_event_hold (&inev
, hold_quit
);
4780 && !(hold_quit
&& hold_quit
->kind
!= NO_EVENT
))
4785 XSETFRAME (frame
, f
);
4791 if (NILP (help_echo_string
))
4793 help_echo_object
= help_echo_window
= Qnil
;
4797 any_help_event_p
= 1;
4798 gen_help_event (help_echo_string
, frame
, help_echo_window
,
4799 help_echo_object
, help_echo_pos
);
4803 help_echo_string
= Qnil
;
4804 gen_help_event (Qnil
, frame
, Qnil
, Qnil
, 0);
4810 /* If the focus was just given to an autoraising frame,
4812 /* ??? This ought to be able to handle more than one such frame. */
4813 if (pending_autoraise_frame
)
4815 x_raise_frame (pending_autoraise_frame
);
4816 pending_autoraise_frame
= 0;
4819 /* Check which frames are still visisble, if we have enqueued any user
4820 events or been notified of events that may affect visibility. We
4821 do this here because there doesn't seem to be any direct
4822 notification from Windows that the visibility of a window has
4823 changed (at least, not in all cases). */
4824 if (count
> 0 || check_visibility
)
4826 Lisp_Object tail
, frame
;
4828 FOR_EACH_FRAME (tail
, frame
)
4830 FRAME_PTR f
= XFRAME (frame
);
4831 /* The tooltip has been drawn already. Avoid the
4832 SET_FRAME_GARBAGED below. */
4833 if (EQ (frame
, tip_frame
))
4836 /* Check "visible" frames and mark each as obscured or not.
4837 Note that async_visible is nonzero for unobscured and
4838 obscured frames, but zero for hidden and iconified frames. */
4839 if (FRAME_W32_P (f
) && f
->async_visible
)
4845 /* Query clipping rectangle for the entire window area
4846 (GetWindowDC), not just the client portion (GetDC).
4847 Otherwise, the scrollbars and menubar aren't counted as
4848 part of the visible area of the frame, and we may think
4849 the frame is obscured when really a scrollbar is still
4850 visible and gets WM_PAINT messages above. */
4851 hdc
= GetWindowDC (FRAME_W32_WINDOW (f
));
4852 GetClipBox (hdc
, &clipbox
);
4853 ReleaseDC (FRAME_W32_WINDOW (f
), hdc
);
4856 if (clipbox
.right
== clipbox
.left
4857 || clipbox
.bottom
== clipbox
.top
)
4859 /* Frame has become completely obscured so mark as
4860 such (we do this by setting async_visible to 2 so
4861 that FRAME_VISIBLE_P is still true, but redisplay
4863 f
->async_visible
= 2;
4865 if (!FRAME_OBSCURED_P (f
))
4867 DebPrint (("frame %p (%s) obscured\n", f
,
4873 /* Frame is not obscured, so mark it as such. */
4874 f
->async_visible
= 1;
4876 if (FRAME_OBSCURED_P (f
))
4878 SET_FRAME_GARBAGED (f
);
4879 DebPrint (("obscured frame %p (%s) found to be visible\n", f
,
4882 /* Force a redisplay sooner or later. */
4883 record_asynch_buffer_change ();
4896 /***********************************************************************
4898 ***********************************************************************/
4900 /* Set clipping for output in glyph row ROW. W is the window in which
4901 we operate. GC is the graphics context to set clipping in.
4903 ROW may be a text row or, e.g., a mode line. Text rows must be
4904 clipped to the interior of the window dedicated to text display,
4905 mode lines must be clipped to the whole window. */
4908 w32_clip_to_row (w
, row
, area
, hdc
)
4910 struct glyph_row
*row
;
4914 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
4916 int window_x
, window_y
, window_width
;
4918 window_box (w
, area
, &window_x
, &window_y
, &window_width
, 0);
4920 clip_rect
.left
= window_x
;
4921 clip_rect
.top
= WINDOW_TO_FRAME_PIXEL_Y (w
, row
->y
);
4922 clip_rect
.top
= max (clip_rect
.top
, window_y
);
4923 clip_rect
.right
= clip_rect
.left
+ window_width
;
4924 clip_rect
.bottom
= clip_rect
.top
+ row
->visible_height
;
4926 w32_set_clip_rectangle (hdc
, &clip_rect
);
4930 /* Draw a hollow box cursor on window W in glyph row ROW. */
4933 x_draw_hollow_cursor (w
, row
)
4935 struct glyph_row
*row
;
4937 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
4941 struct glyph
*cursor_glyph
;
4942 HBRUSH hb
= CreateSolidBrush (f
->output_data
.w32
->cursor_pixel
);
4944 /* Get the glyph the cursor is on. If we can't tell because
4945 the current matrix is invalid or such, give up. */
4946 cursor_glyph
= get_phys_cursor_glyph (w
);
4947 if (cursor_glyph
== NULL
)
4950 /* Compute frame-relative coordinates from window-relative
4952 rect
.left
= WINDOW_TEXT_TO_FRAME_PIXEL_X (w
, w
->phys_cursor
.x
);
4953 rect
.top
= (WINDOW_TO_FRAME_PIXEL_Y (w
, w
->phys_cursor
.y
)
4954 + row
->ascent
- w
->phys_cursor_ascent
);
4956 /* Compute the proper height and ascent of the rectangle, based
4957 on the actual glyph. Using the full height of the row looks
4958 bad when there are tall images on that row. */
4959 h
= max (min (FRAME_LINE_HEIGHT (f
), row
->height
),
4960 cursor_glyph
->ascent
+ cursor_glyph
->descent
);
4961 if (h
< row
->height
)
4962 rect
.top
+= row
->ascent
/* - w->phys_cursor_ascent */ + cursor_glyph
->descent
- h
;
4965 rect
.bottom
= rect
.top
+ h
;
4967 /* Compute the width of the rectangle to draw. If on a stretch
4968 glyph, and `x-stretch-block-cursor' is nil, don't draw a
4969 rectangle as wide as the glyph, but use a canonical character
4971 wd
= cursor_glyph
->pixel_width
; /* TODO: Why off by one compared with X? */
4972 if (cursor_glyph
->type
== STRETCH_GLYPH
4973 && !x_stretch_cursor_p
)
4974 wd
= min (FRAME_COLUMN_WIDTH (f
), wd
);
4975 w
->phys_cursor_width
= wd
;
4977 rect
.right
= rect
.left
+ wd
;
4978 hdc
= get_frame_dc (f
);
4979 /* Set clipping, draw the rectangle, and reset clipping again. */
4980 w32_clip_to_row (w
, row
, TEXT_AREA
, hdc
);
4981 FrameRect (hdc
, &rect
, hb
);
4983 w32_set_clip_rectangle (hdc
, NULL
);
4984 release_frame_dc (f
, hdc
);
4988 /* Draw a bar cursor on window W in glyph row ROW.
4990 Implementation note: One would like to draw a bar cursor with an
4991 angle equal to the one given by the font property XA_ITALIC_ANGLE.
4992 Unfortunately, I didn't find a font yet that has this property set.
4996 x_draw_bar_cursor (w
, row
, width
, kind
)
4998 struct glyph_row
*row
;
5000 enum text_cursor_kinds kind
;
5002 struct frame
*f
= XFRAME (w
->frame
);
5003 struct glyph
*cursor_glyph
;
5007 /* If cursor is out of bounds, don't draw garbage. This can happen
5008 in mini-buffer windows when switching between echo area glyphs
5010 cursor_glyph
= get_phys_cursor_glyph (w
);
5011 if (cursor_glyph
== NULL
)
5014 /* If on an image, draw like a normal cursor. That's usually better
5015 visible than drawing a bar, esp. if the image is large so that
5016 the bar might not be in the window. */
5017 if (cursor_glyph
->type
== IMAGE_GLYPH
)
5019 struct glyph_row
*row
;
5020 row
= MATRIX_ROW (w
->current_matrix
, w
->phys_cursor
.vpos
);
5021 draw_phys_cursor_glyph (w
, row
, DRAW_CURSOR
);
5025 COLORREF cursor_color
= f
->output_data
.w32
->cursor_pixel
;
5026 struct face
*face
= FACE_FROM_ID (f
, cursor_glyph
->face_id
);
5028 /* If the glyph's background equals the color we normally draw
5029 the bar cursor in, the bar cursor in its normal color is
5030 invisible. Use the glyph's foreground color instead in this
5031 case, on the assumption that the glyph's colors are chosen so
5032 that the glyph is legible. */
5033 if (face
->background
== cursor_color
)
5034 cursor_color
= face
->foreground
;
5036 x
= WINDOW_TEXT_TO_FRAME_PIXEL_X (w
, w
->phys_cursor
.x
);
5039 width
= FRAME_CURSOR_WIDTH (f
);
5040 width
= min (cursor_glyph
->pixel_width
, width
);
5042 w
->phys_cursor_width
= width
;
5045 hdc
= get_frame_dc (f
);
5046 w32_clip_to_row (w
, row
, TEXT_AREA
, hdc
);
5048 if (kind
== BAR_CURSOR
)
5050 w32_fill_area (f
, hdc
, cursor_color
, x
,
5051 WINDOW_TO_FRAME_PIXEL_Y (w
, w
->phys_cursor
.y
),
5052 width
, row
->height
);
5056 w32_fill_area (f
, hdc
, cursor_color
, x
,
5057 WINDOW_TO_FRAME_PIXEL_Y (w
, w
->phys_cursor
.y
+
5058 row
->height
- width
),
5059 cursor_glyph
->pixel_width
, width
);
5062 w32_set_clip_rectangle (hdc
, NULL
);
5063 release_frame_dc (f
, hdc
);
5068 /* RIF: Define cursor CURSOR on frame F. */
5071 w32_define_frame_cursor (f
, cursor
)
5075 w32_define_cursor (FRAME_W32_WINDOW (f
), cursor
);
5079 /* RIF: Clear area on frame F. */
5082 w32_clear_frame_area (f
, x
, y
, width
, height
)
5084 int x
, y
, width
, height
;
5088 hdc
= get_frame_dc (f
);
5089 w32_clear_area (f
, hdc
, x
, y
, width
, height
);
5090 release_frame_dc (f
, hdc
);
5093 /* RIF: Draw or clear cursor on window W. */
5096 w32_draw_window_cursor (w
, glyph_row
, x
, y
, cursor_type
, cursor_width
, on_p
, active_p
)
5098 struct glyph_row
*glyph_row
;
5100 int cursor_type
, cursor_width
;
5105 /* If the user wants to use the system caret, make sure our own
5106 cursor remains invisible. */
5107 if (w32_use_visible_system_caret
)
5109 /* Call to erase_phys_cursor here seems to use the
5110 wrong values of w->phys_cursor, as they have been
5111 overwritten before this function was called. */
5112 if (w
->phys_cursor_type
!= NO_CURSOR
)
5113 erase_phys_cursor (w
);
5115 cursor_type
= w
->phys_cursor_type
= NO_CURSOR
;
5116 w
->phys_cursor_width
= -1;
5120 w
->phys_cursor_type
= cursor_type
;
5123 w
->phys_cursor_on_p
= 1;
5125 /* If this is the active cursor, we need to track it with the
5126 system caret, so third party software like screen magnifiers
5127 and speech synthesizers can follow the cursor. */
5130 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
5131 HWND hwnd
= FRAME_W32_WINDOW (f
);
5134 = WINDOW_TEXT_TO_FRAME_PIXEL_X (w
, w
->phys_cursor
.x
);
5136 = (WINDOW_TO_FRAME_PIXEL_Y (w
, w
->phys_cursor
.y
)
5137 + glyph_row
->ascent
- w
->phys_cursor_ascent
);
5139 /* If the size of the active cursor changed, destroy the old
5141 if (w32_system_caret_hwnd
5142 && (w32_system_caret_height
!= w
->phys_cursor_height
))
5143 PostMessage (hwnd
, WM_EMACS_DESTROY_CARET
, 0, 0);
5145 w32_system_caret_height
= w
->phys_cursor_height
;
5147 /* Move the system caret. */
5148 PostMessage (hwnd
, WM_EMACS_TRACK_CARET
, 0, 0);
5151 if (glyph_row
->exact_window_width_line_p
5152 && w
->phys_cursor
.hpos
>= glyph_row
->used
[TEXT_AREA
])
5154 glyph_row
->cursor_in_fringe_p
= 1;
5155 draw_fringe_bitmap (w
, glyph_row
, 0);
5159 switch (cursor_type
)
5161 case HOLLOW_BOX_CURSOR
:
5162 x_draw_hollow_cursor (w
, glyph_row
);
5165 case FILLED_BOX_CURSOR
:
5166 draw_phys_cursor_glyph (w
, glyph_row
, DRAW_CURSOR
);
5170 x_draw_bar_cursor (w
, glyph_row
, cursor_width
, BAR_CURSOR
);
5174 x_draw_bar_cursor (w
, glyph_row
, cursor_width
, HBAR_CURSOR
);
5178 w
->phys_cursor_width
= 0;
5192 x_bitmap_icon (f
, icon
)
5198 if (FRAME_W32_WINDOW (f
) == 0)
5202 hicon
= LoadIcon (hinst
, EMACS_CLASS
);
5203 else if (STRINGP (icon
))
5204 hicon
= LoadImage (NULL
, (LPCTSTR
) SDATA (icon
), IMAGE_ICON
, 0, 0,
5205 LR_DEFAULTSIZE
| LR_LOADFROMFILE
);
5206 else if (SYMBOLP (icon
))
5210 if (EQ (icon
, intern ("application")))
5211 name
= (LPCTSTR
) IDI_APPLICATION
;
5212 else if (EQ (icon
, intern ("hand")))
5213 name
= (LPCTSTR
) IDI_HAND
;
5214 else if (EQ (icon
, intern ("question")))
5215 name
= (LPCTSTR
) IDI_QUESTION
;
5216 else if (EQ (icon
, intern ("exclamation")))
5217 name
= (LPCTSTR
) IDI_EXCLAMATION
;
5218 else if (EQ (icon
, intern ("asterisk")))
5219 name
= (LPCTSTR
) IDI_ASTERISK
;
5220 else if (EQ (icon
, intern ("winlogo")))
5221 name
= (LPCTSTR
) IDI_WINLOGO
;
5225 hicon
= LoadIcon (NULL
, name
);
5233 PostMessage (FRAME_W32_WINDOW (f
), WM_SETICON
, (WPARAM
) ICON_BIG
,
5240 /************************************************************************
5242 ************************************************************************/
5244 /* Display Error Handling functions not used on W32. Listing them here
5245 helps diff stay in step when comparing w32term.c with xterm.c.
5247 x_error_catcher (display, error)
5248 x_catch_errors (dpy)
5249 x_catch_errors_unwind (old_val)
5250 x_check_errors (dpy, format)
5251 x_had_errors_p (dpy)
5252 x_clear_errors (dpy)
5253 x_uncatch_errors (dpy, count)
5255 x_connection_signal (signalnum)
5256 x_connection_closed (dpy, error_message)
5257 x_error_quitter (display, error)
5258 x_error_handler (display, error)
5259 x_io_error_quitter (display)
5264 /* Changing the font of the frame. */
5266 /* Give frame F the font named FONTNAME as its default font, and
5267 return the full name of that font. FONTNAME may be a wildcard
5268 pattern; in that case, we choose some font that fits the pattern.
5269 The return value shows which font we chose. */
5272 x_new_font (f
, fontname
)
5274 register char *fontname
;
5276 struct font_info
*fontp
5277 = FS_LOAD_FONT (f
, 0, fontname
, -1);
5282 FRAME_FONT (f
) = (XFontStruct
*) (fontp
->font
);
5283 FRAME_BASELINE_OFFSET (f
) = fontp
->baseline_offset
;
5284 FRAME_FONTSET (f
) = -1;
5286 FRAME_COLUMN_WIDTH (f
) = fontp
->average_width
;
5287 FRAME_SPACE_WIDTH (f
) = fontp
->space_width
;
5288 FRAME_LINE_HEIGHT (f
) = FONT_HEIGHT (FRAME_FONT (f
));
5290 compute_fringe_widths (f
, 1);
5292 /* Compute the scroll bar width in character columns. */
5293 if (FRAME_CONFIG_SCROLL_BAR_WIDTH (f
) > 0)
5295 int wid
= FRAME_COLUMN_WIDTH (f
);
5296 FRAME_CONFIG_SCROLL_BAR_COLS (f
)
5297 = (FRAME_CONFIG_SCROLL_BAR_WIDTH (f
) + wid
-1) / wid
;
5301 int wid
= FRAME_COLUMN_WIDTH (f
);
5302 FRAME_CONFIG_SCROLL_BAR_COLS (f
) = (14 + wid
- 1) / wid
;
5305 /* Now make the frame display the given font. */
5306 if (FRAME_W32_WINDOW (f
) != 0)
5308 if (NILP (tip_frame
) || XFRAME (tip_frame
) != f
)
5309 x_set_window_size (f
, 0, FRAME_COLS (f
), FRAME_LINES (f
));
5312 return build_string (fontp
->full_name
);
5315 /* Give frame F the fontset named FONTSETNAME as its default font, and
5316 return the full name of that fontset. FONTSETNAME may be a wildcard
5317 pattern; in that case, we choose some fontset that fits the pattern.
5318 The return value shows which fontset we chose. */
5321 x_new_fontset (f
, fontsetname
)
5325 int fontset
= fs_query_fontset (build_string (fontsetname
), 0);
5331 if (FRAME_FONTSET (f
) == fontset
)
5332 /* This fontset is already set in frame F. There's nothing more
5334 return fontset_name (fontset
);
5336 result
= x_new_font (f
, (SDATA (fontset_ascii (fontset
))));
5338 if (!STRINGP (result
))
5339 /* Can't load ASCII font. */
5342 /* Since x_new_font doesn't update any fontset information, do it now. */
5343 FRAME_FONTSET(f
) = fontset
;
5345 return build_string (fontsetname
);
5349 /***********************************************************************
5350 TODO: W32 Input Methods
5351 ***********************************************************************/
5352 /* Listing missing functions from xterm.c helps diff stay in step.
5354 xim_destroy_callback (xim, client_data, call_data)
5355 xim_open_dpy (dpyinfo, resource_name)
5357 xim_instantiate_callback (display, client_data, call_data)
5358 xim_initialize (dpyinfo, resource_name)
5359 xim_close_dpy (dpyinfo)
5364 /* Calculate the absolute position in frame F
5365 from its current recorded position values and gravity. */
5368 x_calc_absolute_position (f
)
5371 int flags
= f
->size_hint_flags
;
5373 /* Treat negative positions as relative to the leftmost bottommost
5374 position that fits on the screen. */
5375 if (flags
& XNegative
)
5376 f
->left_pos
= (FRAME_W32_DISPLAY_INFO (f
)->width
5377 - FRAME_PIXEL_WIDTH (f
)
5380 if (flags
& YNegative
)
5381 f
->top_pos
= (FRAME_W32_DISPLAY_INFO (f
)->height
5382 - FRAME_PIXEL_HEIGHT (f
)
5384 /* The left_pos and top_pos
5385 are now relative to the top and left screen edges,
5386 so the flags should correspond. */
5387 f
->size_hint_flags
&= ~ (XNegative
| YNegative
);
5390 /* CHANGE_GRAVITY is 1 when calling from Fset_frame_position,
5391 to really change the position, and 0 when calling from
5392 x_make_frame_visible (in that case, XOFF and YOFF are the current
5393 position values). It is -1 when calling from x_set_frame_parameters,
5394 which means, do adjust for borders but don't change the gravity. */
5397 x_set_offset (f
, xoff
, yoff
, change_gravity
)
5399 register int xoff
, yoff
;
5402 int modified_top
, modified_left
;
5404 if (change_gravity
> 0)
5408 f
->size_hint_flags
&= ~ (XNegative
| YNegative
);
5410 f
->size_hint_flags
|= XNegative
;
5412 f
->size_hint_flags
|= YNegative
;
5413 f
->win_gravity
= NorthWestGravity
;
5415 x_calc_absolute_position (f
);
5418 x_wm_set_size_hint (f
, (long) 0, 0);
5420 modified_left
= f
->left_pos
;
5421 modified_top
= f
->top_pos
;
5423 my_set_window_pos (FRAME_W32_WINDOW (f
),
5425 modified_left
, modified_top
,
5427 SWP_NOZORDER
| SWP_NOSIZE
| SWP_NOACTIVATE
);
5432 /* Check if we need to resize the frame due to a fullscreen request.
5433 If so needed, resize the frame. */
5435 x_check_fullscreen (f
)
5438 if (f
->want_fullscreen
& FULLSCREEN_BOTH
)
5440 int width
, height
, ign
;
5442 x_real_positions (f
, &f
->left_pos
, &f
->top_pos
);
5444 x_fullscreen_adjust (f
, &width
, &height
, &ign
, &ign
);
5446 /* We do not need to move the window, it shall be taken care of
5447 when setting WM manager hints. */
5448 if (FRAME_COLS (f
) != width
|| FRAME_LINES (f
) != height
)
5450 change_frame_size (f
, height
, width
, 0, 1, 0);
5451 SET_FRAME_GARBAGED (f
);
5452 cancel_mouse_face (f
);
5454 /* Wait for the change of frame size to occur */
5455 f
->want_fullscreen
|= FULLSCREEN_WAIT
;
5460 /* Call this to change the size of frame F's x-window.
5461 If CHANGE_GRAVITY is 1, we change to top-left-corner window gravity
5462 for this size change and subsequent size changes.
5463 Otherwise we leave the window gravity unchanged. */
5466 x_set_window_size (f
, change_gravity
, cols
, rows
)
5471 int pixelwidth
, pixelheight
;
5475 check_frame_size (f
, &rows
, &cols
);
5476 f
->scroll_bar_actual_width
5477 = FRAME_SCROLL_BAR_COLS (f
) * FRAME_COLUMN_WIDTH (f
);
5479 compute_fringe_widths (f
, 0);
5481 pixelwidth
= FRAME_TEXT_COLS_TO_PIXEL_WIDTH (f
, cols
);
5482 pixelheight
= FRAME_TEXT_LINES_TO_PIXEL_HEIGHT (f
, rows
);
5484 f
->win_gravity
= NorthWestGravity
;
5485 x_wm_set_size_hint (f
, (long) 0, 0);
5490 rect
.left
= rect
.top
= 0;
5491 rect
.right
= pixelwidth
;
5492 rect
.bottom
= pixelheight
;
5494 AdjustWindowRect(&rect
, f
->output_data
.w32
->dwStyle
,
5495 FRAME_EXTERNAL_MENU_BAR (f
));
5497 my_set_window_pos (FRAME_W32_WINDOW (f
),
5500 rect
.right
- rect
.left
,
5501 rect
.bottom
- rect
.top
,
5502 SWP_NOZORDER
| SWP_NOMOVE
| SWP_NOACTIVATE
);
5505 /* Now, strictly speaking, we can't be sure that this is accurate,
5506 but the window manager will get around to dealing with the size
5507 change request eventually, and we'll hear how it went when the
5508 ConfigureNotify event gets here.
5510 We could just not bother storing any of this information here,
5511 and let the ConfigureNotify event set everything up, but that
5512 might be kind of confusing to the Lisp code, since size changes
5513 wouldn't be reported in the frame parameters until some random
5514 point in the future when the ConfigureNotify event arrives.
5516 We pass 1 for DELAY since we can't run Lisp code inside of
5518 change_frame_size (f
, rows
, cols
, 0, 1, 0);
5519 FRAME_PIXEL_WIDTH (f
) = pixelwidth
;
5520 FRAME_PIXEL_HEIGHT (f
) = pixelheight
;
5522 /* We've set {FRAME,PIXEL}_{WIDTH,HEIGHT} to the values we hope to
5523 receive in the ConfigureNotify event; if we get what we asked
5524 for, then the event won't cause the screen to become garbaged, so
5525 we have to make sure to do it here. */
5526 SET_FRAME_GARBAGED (f
);
5528 /* If cursor was outside the new size, mark it as off. */
5529 mark_window_cursors_off (XWINDOW (f
->root_window
));
5531 /* Clear out any recollection of where the mouse highlighting was,
5532 since it might be in a place that's outside the new frame size.
5533 Actually checking whether it is outside is a pain in the neck,
5534 so don't try--just let the highlighting be done afresh with new size. */
5535 cancel_mouse_face (f
);
5540 /* Mouse warping. */
5542 void x_set_mouse_pixel_position (struct frame
*f
, int pix_x
, int pix_y
);
5545 x_set_mouse_position (f
, x
, y
)
5551 pix_x
= FRAME_COL_TO_PIXEL_X (f
, x
) + FRAME_COLUMN_WIDTH (f
) / 2;
5552 pix_y
= FRAME_LINE_TO_PIXEL_Y (f
, y
) + FRAME_LINE_HEIGHT (f
) / 2;
5554 if (pix_x
< 0) pix_x
= 0;
5555 if (pix_x
> FRAME_PIXEL_WIDTH (f
)) pix_x
= FRAME_PIXEL_WIDTH (f
);
5557 if (pix_y
< 0) pix_y
= 0;
5558 if (pix_y
> FRAME_PIXEL_HEIGHT (f
)) pix_y
= FRAME_PIXEL_HEIGHT (f
);
5560 x_set_mouse_pixel_position (f
, pix_x
, pix_y
);
5564 x_set_mouse_pixel_position (f
, pix_x
, pix_y
)
5573 GetClientRect (FRAME_W32_WINDOW (f
), &rect
);
5574 pt
.x
= rect
.left
+ pix_x
;
5575 pt
.y
= rect
.top
+ pix_y
;
5576 ClientToScreen (FRAME_W32_WINDOW (f
), &pt
);
5578 SetCursorPos (pt
.x
, pt
.y
);
5584 /* focus shifting, raising and lowering. */
5587 x_focus_on_frame (f
)
5590 struct w32_display_info
*dpyinfo
= &one_w32_display_info
;
5592 /* Give input focus to frame. */
5595 /* Try not to change its Z-order if possible. */
5596 if (x_window_to_frame (dpyinfo
, GetForegroundWindow ()))
5597 my_set_focus (f
, FRAME_W32_WINDOW (f
));
5600 my_set_foreground_window (FRAME_W32_WINDOW (f
));
5610 /* Raise frame F. */
5617 /* Strictly speaking, raise-frame should only change the frame's Z
5618 order, leaving input focus unchanged. This is reasonable behaviour
5619 on X where the usual policy is point-to-focus. However, this
5620 behaviour would be very odd on Windows where the usual policy is
5623 On X, if the mouse happens to be over the raised frame, it gets
5624 input focus anyway (so the window with focus will never be
5625 completely obscured) - if not, then just moving the mouse over it
5626 is sufficient to give it focus. On Windows, the user must actually
5627 click on the frame (preferrably the title bar so as not to move
5628 point), which is more awkward. Also, no other Windows program
5629 raises a window to the top but leaves another window (possibly now
5630 completely obscured) with input focus.
5632 Because there is a system setting on Windows that allows the user
5633 to choose the point to focus policy, we make the strict semantics
5634 optional, but by default we grab focus when raising. */
5636 if (NILP (Vw32_grab_focus_on_raise
))
5638 /* The obvious call to my_set_window_pos doesn't work if Emacs is
5639 not already the foreground application: the frame is raised
5640 above all other frames belonging to us, but not above the
5641 current top window. To achieve that, we have to resort to this
5642 more cumbersome method. */
5644 HDWP handle
= BeginDeferWindowPos (2);
5647 DeferWindowPos (handle
,
5648 FRAME_W32_WINDOW (f
),
5651 SWP_NOSIZE
| SWP_NOMOVE
| SWP_NOACTIVATE
);
5653 DeferWindowPos (handle
,
5654 GetForegroundWindow (),
5655 FRAME_W32_WINDOW (f
),
5657 SWP_NOSIZE
| SWP_NOMOVE
| SWP_NOACTIVATE
);
5659 EndDeferWindowPos (handle
);
5664 my_set_foreground_window (FRAME_W32_WINDOW (f
));
5670 /* Lower frame F. */
5676 my_set_window_pos (FRAME_W32_WINDOW (f
),
5679 SWP_NOSIZE
| SWP_NOMOVE
| SWP_NOACTIVATE
);
5684 w32_frame_raise_lower (f
, raise_flag
)
5688 if (! FRAME_W32_P (f
))
5697 /* Change of visibility. */
5699 /* This tries to wait until the frame is really visible.
5700 However, if the window manager asks the user where to position
5701 the frame, this will return before the user finishes doing that.
5702 The frame will not actually be visible at that time,
5703 but it will become visible later when the window manager
5704 finishes with it. */
5707 x_make_frame_visible (f
)
5714 type
= x_icon_type (f
);
5716 x_bitmap_icon (f
, type
);
5718 if (! FRAME_VISIBLE_P (f
))
5720 /* We test FRAME_GARBAGED_P here to make sure we don't
5721 call x_set_offset a second time
5722 if we get to x_make_frame_visible a second time
5723 before the window gets really visible. */
5724 if (! FRAME_ICONIFIED_P (f
)
5725 && ! f
->output_data
.w32
->asked_for_visible
)
5726 x_set_offset (f
, f
->left_pos
, f
->top_pos
, 0);
5728 f
->output_data
.w32
->asked_for_visible
= 1;
5730 /* my_show_window (f, FRAME_W32_WINDOW (f), f->async_iconified ? SW_RESTORE : SW_SHOW); */
5731 my_show_window (f
, FRAME_W32_WINDOW (f
), SW_SHOWNORMAL
);
5734 /* Synchronize to ensure Emacs knows the frame is visible
5735 before we do anything else. We do this loop with input not blocked
5736 so that incoming events are handled. */
5741 /* This must come after we set COUNT. */
5744 XSETFRAME (frame
, f
);
5746 /* Wait until the frame is visible. Process X events until a
5747 MapNotify event has been seen, or until we think we won't get a
5748 MapNotify at all.. */
5749 for (count
= input_signal_count
+ 10;
5750 input_signal_count
< count
&& !FRAME_VISIBLE_P (f
);)
5752 /* Force processing of queued events. */
5753 /* TODO: x_sync equivalent? */
5755 /* Machines that do polling rather than SIGIO have been observed
5756 to go into a busy-wait here. So we'll fake an alarm signal
5757 to let the handler know that there's something to be read.
5758 We used to raise a real alarm, but it seems that the handler
5759 isn't always enabled here. This is probably a bug. */
5760 if (input_polling_used ())
5762 /* It could be confusing if a real alarm arrives while processing
5763 the fake one. Turn it off and let the handler reset it. */
5764 int old_poll_suppress_count
= poll_suppress_count
;
5765 poll_suppress_count
= 1;
5766 poll_for_input_1 ();
5767 poll_suppress_count
= old_poll_suppress_count
;
5770 FRAME_SAMPLE_VISIBILITY (f
);
5774 /* Change from mapped state to withdrawn state. */
5776 /* Make the frame visible (mapped and not iconified). */
5778 x_make_frame_invisible (f
)
5781 /* Don't keep the highlight on an invisible frame. */
5782 if (FRAME_W32_DISPLAY_INFO (f
)->x_highlight_frame
== f
)
5783 FRAME_W32_DISPLAY_INFO (f
)->x_highlight_frame
= 0;
5787 my_show_window (f
, FRAME_W32_WINDOW (f
), SW_HIDE
);
5789 /* We can't distinguish this from iconification
5790 just by the event that we get from the server.
5791 So we can't win using the usual strategy of letting
5792 FRAME_SAMPLE_VISIBILITY set this. So do it by hand,
5793 and synchronize with the server to make sure we agree. */
5795 FRAME_ICONIFIED_P (f
) = 0;
5796 f
->async_visible
= 0;
5797 f
->async_iconified
= 0;
5802 /* Change window state from mapped to iconified. */
5810 /* Don't keep the highlight on an invisible frame. */
5811 if (FRAME_W32_DISPLAY_INFO (f
)->x_highlight_frame
== f
)
5812 FRAME_W32_DISPLAY_INFO (f
)->x_highlight_frame
= 0;
5814 if (f
->async_iconified
)
5819 type
= x_icon_type (f
);
5821 x_bitmap_icon (f
, type
);
5823 /* Simulate the user minimizing the frame. */
5824 SendMessage (FRAME_W32_WINDOW (f
), WM_SYSCOMMAND
, SC_MINIMIZE
, 0);
5830 /* Free X resources of frame F. */
5833 x_free_frame_resources (f
)
5836 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
5840 if (FRAME_W32_WINDOW (f
))
5841 my_destroy_window (f
, FRAME_W32_WINDOW (f
));
5843 free_frame_menubar (f
);
5845 unload_color (f
, f
->output_data
.x
->foreground_pixel
);
5846 unload_color (f
, f
->output_data
.x
->background_pixel
);
5847 unload_color (f
, f
->output_data
.w32
->cursor_pixel
);
5848 unload_color (f
, f
->output_data
.w32
->cursor_foreground_pixel
);
5849 unload_color (f
, f
->output_data
.w32
->border_pixel
);
5850 unload_color (f
, f
->output_data
.w32
->mouse_pixel
);
5851 if (f
->output_data
.w32
->white_relief
.allocated_p
)
5852 unload_color (f
, f
->output_data
.w32
->white_relief
.pixel
);
5853 if (f
->output_data
.w32
->black_relief
.allocated_p
)
5854 unload_color (f
, f
->output_data
.w32
->black_relief
.pixel
);
5856 if (FRAME_FACE_CACHE (f
))
5857 free_frame_faces (f
);
5859 xfree (f
->output_data
.w32
);
5860 f
->output_data
.w32
= NULL
;
5862 if (f
== dpyinfo
->w32_focus_frame
)
5863 dpyinfo
->w32_focus_frame
= 0;
5864 if (f
== dpyinfo
->w32_focus_event_frame
)
5865 dpyinfo
->w32_focus_event_frame
= 0;
5866 if (f
== dpyinfo
->x_highlight_frame
)
5867 dpyinfo
->x_highlight_frame
= 0;
5869 if (f
== dpyinfo
->mouse_face_mouse_frame
)
5871 dpyinfo
->mouse_face_beg_row
5872 = dpyinfo
->mouse_face_beg_col
= -1;
5873 dpyinfo
->mouse_face_end_row
5874 = dpyinfo
->mouse_face_end_col
= -1;
5875 dpyinfo
->mouse_face_window
= Qnil
;
5876 dpyinfo
->mouse_face_deferred_gc
= 0;
5877 dpyinfo
->mouse_face_mouse_frame
= 0;
5884 /* Destroy the window of frame F. */
5886 x_destroy_window (f
)
5889 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
5891 x_free_frame_resources (f
);
5893 dpyinfo
->reference_count
--;
5897 /* Setting window manager hints. */
5899 /* Set the normal size hints for the window manager, for frame F.
5900 FLAGS is the flags word to use--or 0 meaning preserve the flags
5901 that the window now has.
5902 If USER_POSITION is nonzero, we set the USPosition
5903 flag (this is useful when FLAGS is 0). */
5905 x_wm_set_size_hint (f
, flags
, user_position
)
5910 Window window
= FRAME_W32_WINDOW (f
);
5914 SetWindowLong (window
, WND_FONTWIDTH_INDEX
, FRAME_COLUMN_WIDTH (f
));
5915 SetWindowLong (window
, WND_LINEHEIGHT_INDEX
, FRAME_LINE_HEIGHT (f
));
5916 SetWindowLong (window
, WND_BORDER_INDEX
, FRAME_INTERNAL_BORDER_WIDTH (f
));
5917 SetWindowLong (window
, WND_SCROLLBAR_INDEX
, f
->scroll_bar_actual_width
);
5922 /* Window manager things */
5924 x_wm_set_icon_position (f
, icon_x
, icon_y
)
5929 Window window
= FRAME_W32_WINDOW (f
);
5931 f
->display
.x
->wm_hints
.flags
|= IconPositionHint
;
5932 f
->display
.x
->wm_hints
.icon_x
= icon_x
;
5933 f
->display
.x
->wm_hints
.icon_y
= icon_y
;
5935 XSetWMHints (FRAME_X_DISPLAY (f
), window
, &f
->display
.x
->wm_hints
);
5940 /***********************************************************************
5942 ***********************************************************************/
5944 /* The following functions are listed here to help diff stay in step
5945 with xterm.c. See w32fns.c for definitions.
5947 x_get_font_info (f, font_idx)
5948 x_list_fonts (f, pattern, size, maxnames)
5954 /* Check that FONT is valid on frame F. It is if it can be found in F's
5958 x_check_font (f
, font
)
5963 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
5965 xassert (font
!= NULL
);
5967 for (i
= 0; i
< dpyinfo
->n_fonts
; i
++)
5968 if (dpyinfo
->font_table
[i
].name
5969 && font
== dpyinfo
->font_table
[i
].font
)
5972 xassert (i
< dpyinfo
->n_fonts
);
5975 #endif /* GLYPH_DEBUG != 0 */
5977 /* Set *W to the minimum width, *H to the minimum font height of FONT.
5978 Note: There are (broken) X fonts out there with invalid XFontStruct
5979 min_bounds contents. For example, handa@etl.go.jp reports that
5980 "-adobe-courier-medium-r-normal--*-180-*-*-m-*-iso8859-1" fonts
5981 have font->min_bounds.width == 0. */
5984 x_font_min_bounds (font
, w
, h
)
5989 * TODO: Windows does not appear to offer min bound, only
5990 * average and maximum width, and maximum height.
5992 *h
= FONT_HEIGHT (font
);
5993 *w
= FONT_WIDTH (font
);
5997 /* Compute the smallest character width and smallest font height over
5998 all fonts available on frame F. Set the members smallest_char_width
5999 and smallest_font_height in F's x_display_info structure to
6000 the values computed. Value is non-zero if smallest_font_height or
6001 smallest_char_width become smaller than they were before. */
6004 x_compute_min_glyph_bounds (f
)
6008 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
6010 int old_width
= dpyinfo
->smallest_char_width
;
6011 int old_height
= dpyinfo
->smallest_font_height
;
6013 dpyinfo
->smallest_font_height
= 100000;
6014 dpyinfo
->smallest_char_width
= 100000;
6016 for (i
= 0; i
< dpyinfo
->n_fonts
; ++i
)
6017 if (dpyinfo
->font_table
[i
].name
)
6019 struct font_info
*fontp
= dpyinfo
->font_table
+ i
;
6022 font
= (XFontStruct
*) fontp
->font
;
6023 xassert (font
!= (XFontStruct
*) ~0);
6024 x_font_min_bounds (font
, &w
, &h
);
6026 dpyinfo
->smallest_font_height
= min (dpyinfo
->smallest_font_height
, h
);
6027 dpyinfo
->smallest_char_width
= min (dpyinfo
->smallest_char_width
, w
);
6030 xassert (dpyinfo
->smallest_char_width
> 0
6031 && dpyinfo
->smallest_font_height
> 0);
6033 return (dpyinfo
->n_fonts
== 1
6034 || dpyinfo
->smallest_char_width
< old_width
6035 || dpyinfo
->smallest_font_height
< old_height
);
6038 /* The following functions are listed here to help diff stay in step
6039 with xterm.c. See w32fns.c for definitions.
6041 x_load_font (f, fontname, size)
6042 x_query_font (f, fontname)
6043 x_find_ccl_program (fontp)
6047 /***********************************************************************
6049 ***********************************************************************/
6051 static int w32_initialized
= 0;
6054 w32_initialize_display_info (display_name
)
6055 Lisp_Object display_name
;
6057 struct w32_display_info
*dpyinfo
= &one_w32_display_info
;
6059 bzero (dpyinfo
, sizeof (*dpyinfo
));
6061 /* Put it on w32_display_name_list. */
6062 w32_display_name_list
= Fcons (Fcons (display_name
, Qnil
),
6063 w32_display_name_list
);
6064 dpyinfo
->name_list_element
= XCAR (w32_display_name_list
);
6066 dpyinfo
->w32_id_name
6067 = (char *) xmalloc (SCHARS (Vinvocation_name
)
6068 + SCHARS (Vsystem_name
)
6070 sprintf (dpyinfo
->w32_id_name
, "%s@%s",
6071 SDATA (Vinvocation_name
), SDATA (Vsystem_name
));
6073 /* Default Console mode values - overridden when running in GUI mode
6074 with values obtained from system metrics. */
6077 dpyinfo
->height_in
= 1;
6078 dpyinfo
->width_in
= 1;
6079 dpyinfo
->n_planes
= 1;
6080 dpyinfo
->n_cbits
= 4;
6081 dpyinfo
->n_fonts
= 0;
6082 dpyinfo
->smallest_font_height
= 1;
6083 dpyinfo
->smallest_char_width
= 1;
6085 dpyinfo
->mouse_face_beg_row
= dpyinfo
->mouse_face_beg_col
= -1;
6086 dpyinfo
->mouse_face_end_row
= dpyinfo
->mouse_face_end_col
= -1;
6087 dpyinfo
->mouse_face_face_id
= DEFAULT_FACE_ID
;
6088 dpyinfo
->mouse_face_window
= Qnil
;
6089 dpyinfo
->mouse_face_overlay
= Qnil
;
6090 dpyinfo
->mouse_face_hidden
= 0;
6092 dpyinfo
->vertical_scroll_bar_cursor
= w32_load_cursor (IDC_ARROW
);
6093 /* TODO: dpyinfo->gray */
6097 /* Create an xrdb-style database of resources to supercede registry settings.
6098 The database is just a concatenation of C strings, finished by an additional
6099 \0. The string are submitted to some basic normalization, so
6101 [ *]option[ *]:[ *]value...
6107 but any whitespace following value is not removed. */
6110 w32_make_rdb (xrm_option
)
6113 char *buffer
= xmalloc (strlen (xrm_option
) + 2);
6114 char *current
= buffer
;
6117 int before_value
= 0;
6131 if (in_option
&& (ch
== ':'))
6136 else if (before_value
)
6141 else if (!(in_option
|| before_value
))
6152 struct w32_display_info
*
6153 w32_term_init (display_name
, xrm_option
, resource_name
)
6154 Lisp_Object display_name
;
6156 char *resource_name
;
6158 struct w32_display_info
*dpyinfo
;
6163 if (!w32_initialized
)
6166 w32_initialized
= 1;
6169 w32_initialize_display_info (display_name
);
6171 dpyinfo
= &one_w32_display_info
;
6173 dpyinfo
->xrdb
= xrm_option
? w32_make_rdb (xrm_option
) : NULL
;
6175 /* Put this display on the chain. */
6176 dpyinfo
->next
= x_display_list
;
6177 x_display_list
= dpyinfo
;
6179 hdc
= GetDC (GetDesktopWindow ());
6181 dpyinfo
->height
= GetDeviceCaps (hdc
, VERTRES
);
6182 dpyinfo
->width
= GetDeviceCaps (hdc
, HORZRES
);
6183 dpyinfo
->root_window
= GetDesktopWindow ();
6184 dpyinfo
->n_planes
= GetDeviceCaps (hdc
, PLANES
);
6185 dpyinfo
->n_cbits
= GetDeviceCaps (hdc
, BITSPIXEL
);
6186 dpyinfo
->resx
= GetDeviceCaps (hdc
, LOGPIXELSX
);
6187 dpyinfo
->resy
= GetDeviceCaps (hdc
, LOGPIXELSY
);
6188 dpyinfo
->has_palette
= GetDeviceCaps (hdc
, RASTERCAPS
) & RC_PALETTE
;
6189 dpyinfo
->image_cache
= make_image_cache ();
6190 dpyinfo
->height_in
= dpyinfo
->height
/ dpyinfo
->resx
;
6191 dpyinfo
->width_in
= dpyinfo
->width
/ dpyinfo
->resy
;
6192 ReleaseDC (GetDesktopWindow (), hdc
);
6194 /* initialise palette with white and black */
6197 w32_defined_color (0, "white", &color
, 1);
6198 w32_defined_color (0, "black", &color
, 1);
6201 /* Create Fringe Bitmaps and store them for later use.
6203 On W32, bitmaps are all unsigned short, as Windows requires
6204 bitmap data to be Word aligned. For some reason they are
6205 horizontally reflected compared to how they appear on X, so we
6206 need to bitswap and convert to unsigned shorts before creating
6210 #ifndef F_SETOWN_BUG
6212 #ifdef F_SETOWN_SOCK_NEG
6213 /* stdin is a socket here */
6214 fcntl (connection
, F_SETOWN
, -getpid ());
6215 #else /* ! defined (F_SETOWN_SOCK_NEG) */
6216 fcntl (connection
, F_SETOWN
, getpid ());
6217 #endif /* ! defined (F_SETOWN_SOCK_NEG) */
6218 #endif /* ! defined (F_SETOWN) */
6219 #endif /* F_SETOWN_BUG */
6222 if (interrupt_input
)
6223 init_sigio (connection
);
6224 #endif /* ! defined (SIGIO) */
6231 /* Get rid of display DPYINFO, assuming all frames are already gone. */
6234 x_delete_display (dpyinfo
)
6235 struct w32_display_info
*dpyinfo
;
6237 /* Discard this display from w32_display_name_list and w32_display_list.
6238 We can't use Fdelq because that can quit. */
6239 if (! NILP (w32_display_name_list
)
6240 && EQ (XCAR (w32_display_name_list
), dpyinfo
->name_list_element
))
6241 w32_display_name_list
= XCDR (w32_display_name_list
);
6246 tail
= w32_display_name_list
;
6247 while (CONSP (tail
) && CONSP (XCDR (tail
)))
6249 if (EQ (XCAR (XCDR (tail
)), dpyinfo
->name_list_element
))
6251 XSETCDR (tail
, XCDR (XCDR (tail
)));
6258 /* free palette table */
6260 struct w32_palette_entry
* plist
;
6262 plist
= dpyinfo
->color_list
;
6265 struct w32_palette_entry
* pentry
= plist
;
6266 plist
= plist
->next
;
6269 dpyinfo
->color_list
= NULL
;
6270 if (dpyinfo
->palette
)
6271 DeleteObject(dpyinfo
->palette
);
6273 xfree (dpyinfo
->font_table
);
6274 xfree (dpyinfo
->w32_id_name
);
6276 w32_reset_fringes ();
6279 /* Set up use of W32. */
6281 DWORD
w32_msg_worker ();
6284 x_flush (struct frame
* f
)
6285 { /* Nothing to do */ }
6287 extern frame_parm_handler w32_frame_parm_handlers
[];
6289 static struct redisplay_interface w32_redisplay_interface
=
6291 w32_frame_parm_handlers
,
6295 x_clear_end_of_line
,
6297 x_after_update_window_line
,
6298 x_update_window_begin
,
6299 x_update_window_end
,
6302 0, /* flush_display_optional */
6303 x_clear_window_mouse_face
,
6304 w32_get_glyph_overhangs
,
6305 x_fix_overlapping_area
,
6306 w32_draw_fringe_bitmap
,
6307 w32_define_fringe_bitmap
,
6308 w32_destroy_fringe_bitmap
,
6309 w32_per_char_metric
,
6311 NULL
, /* w32_compute_glyph_string_overhangs */
6312 x_draw_glyph_string
,
6313 w32_define_frame_cursor
,
6314 w32_clear_frame_area
,
6315 w32_draw_window_cursor
,
6316 w32_draw_vertical_window_border
,
6317 w32_shift_glyphs_for_insert
6323 rif
= &w32_redisplay_interface
;
6325 /* MSVC does not type K&R functions with no arguments correctly, and
6326 so we must explicitly cast them. */
6327 clear_frame_hook
= (void (*)(void)) x_clear_frame
;
6328 ring_bell_hook
= (void (*)(void)) w32_ring_bell
;
6329 update_begin_hook
= x_update_begin
;
6330 update_end_hook
= x_update_end
;
6332 read_socket_hook
= w32_read_socket
;
6334 frame_up_to_date_hook
= w32_frame_up_to_date
;
6336 mouse_position_hook
= w32_mouse_position
;
6337 frame_rehighlight_hook
= w32_frame_rehighlight
;
6338 frame_raise_lower_hook
= w32_frame_raise_lower
;
6339 set_vertical_scroll_bar_hook
= w32_set_vertical_scroll_bar
;
6340 condemn_scroll_bars_hook
= w32_condemn_scroll_bars
;
6341 redeem_scroll_bar_hook
= w32_redeem_scroll_bar
;
6342 judge_scroll_bars_hook
= w32_judge_scroll_bars
;
6344 scroll_region_ok
= 1; /* we'll scroll partial frames */
6345 char_ins_del_ok
= 1;
6346 line_ins_del_ok
= 1; /* we'll just blt 'em */
6347 fast_clear_end_of_line
= 1; /* X does this well */
6348 memory_below_frame
= 0; /* we don't remember what scrolls
6352 w32_system_caret_hwnd
= NULL
;
6353 w32_system_caret_height
= 0;
6354 w32_system_caret_x
= 0;
6355 w32_system_caret_y
= 0;
6357 last_tool_bar_item
= -1;
6358 any_help_event_p
= 0;
6360 /* Initialize input mode: interrupt_input off, no flow control, allow
6361 8 bit character input, standard quit char. */
6362 Fset_input_mode (Qnil
, Qnil
, make_number (2), Qnil
);
6364 /* Create the window thread - it will terminate itself or when the app terminates */
6368 dwMainThreadId
= GetCurrentThreadId ();
6369 DuplicateHandle (GetCurrentProcess (), GetCurrentThread (),
6370 GetCurrentProcess (), &hMainThread
, 0, TRUE
, DUPLICATE_SAME_ACCESS
);
6372 /* Wait for thread to start */
6377 PeekMessage (&msg
, NULL
, 0, 0, PM_NOREMOVE
);
6379 hWindowsThread
= CreateThread (NULL
, 0,
6380 (LPTHREAD_START_ROUTINE
) w32_msg_worker
,
6381 0, 0, &dwWindowsThreadId
);
6383 GetMessage (&msg
, NULL
, WM_EMACS_DONE
, WM_EMACS_DONE
);
6386 /* It is desirable that mainThread should have the same notion of
6387 focus window and active window as windowsThread. Unfortunately, the
6388 following call to AttachThreadInput, which should do precisely what
6389 we need, causes major problems when Emacs is linked as a console
6390 program. Unfortunately, we have good reasons for doing that, so
6391 instead we need to send messages to windowsThread to make some API
6392 calls for us (ones that affect, or depend on, the active/focus
6394 #ifdef ATTACH_THREADS
6395 AttachThreadInput (dwMainThreadId
, dwWindowsThreadId
, TRUE
);
6398 /* Dynamically link to optional system components. */
6400 HANDLE user_lib
= LoadLibrary ("user32.dll");
6402 #define LOAD_PROC(fn) pfn##fn = (void *) GetProcAddress (user_lib, #fn)
6404 /* New proportional scroll bar functions. */
6405 LOAD_PROC (SetScrollInfo
);
6406 LOAD_PROC (GetScrollInfo
);
6410 FreeLibrary (user_lib
);
6412 /* If using proportional scroll bars, ensure handle is at least 5 pixels;
6413 otherwise use the fixed height. */
6414 vertical_scroll_bar_min_handle
= (pfnSetScrollInfo
!= NULL
) ? 5 :
6415 GetSystemMetrics (SM_CYVTHUMB
);
6417 /* For either kind of scroll bar, take account of the arrows; these
6418 effectively form the border of the main scroll bar range. */
6419 vertical_scroll_bar_top_border
= vertical_scroll_bar_bottom_border
6420 = GetSystemMetrics (SM_CYVSCROLL
);
6427 staticpro (&w32_display_name_list
);
6428 w32_display_name_list
= Qnil
;
6430 staticpro (&last_mouse_scroll_bar
);
6431 last_mouse_scroll_bar
= Qnil
;
6433 staticpro (&Qvendor_specific_keysyms
);
6434 Qvendor_specific_keysyms
= intern ("vendor-specific-keysyms");
6436 DEFVAR_INT ("w32-num-mouse-buttons",
6437 &w32_num_mouse_buttons
,
6438 doc
: /* Number of physical mouse buttons. */);
6439 w32_num_mouse_buttons
= 2;
6441 DEFVAR_LISP ("w32-swap-mouse-buttons",
6442 &Vw32_swap_mouse_buttons
,
6443 doc
: /* Swap the mapping of middle and right mouse buttons.
6444 When nil, middle button is mouse-2 and right button is mouse-3. */);
6445 Vw32_swap_mouse_buttons
= Qnil
;
6447 DEFVAR_LISP ("w32-grab-focus-on-raise",
6448 &Vw32_grab_focus_on_raise
,
6449 doc
: /* Raised frame grabs input focus.
6450 When t, `raise-frame' grabs input focus as well. This fits well
6451 with the normal Windows click-to-focus policy, but might not be
6452 desirable when using a point-to-focus policy. */);
6453 Vw32_grab_focus_on_raise
= Qt
;
6455 DEFVAR_LISP ("w32-capslock-is-shiftlock",
6456 &Vw32_capslock_is_shiftlock
,
6457 doc
: /* Apply CapsLock state to non character input keys.
6458 When nil, CapsLock only affects normal character input keys. */);
6459 Vw32_capslock_is_shiftlock
= Qnil
;
6461 DEFVAR_LISP ("w32-recognize-altgr",
6462 &Vw32_recognize_altgr
,
6463 doc
: /* Recognize right-alt and left-ctrl as AltGr.
6464 When nil, the right-alt and left-ctrl key combination is
6465 interpreted normally. */);
6466 Vw32_recognize_altgr
= Qt
;
6468 DEFVAR_BOOL ("w32-enable-unicode-output",
6469 &w32_enable_unicode_output
,
6470 doc
: /* Enable the use of Unicode for text output if non-nil.
6471 Unicode output may prevent some third party applications for displaying
6472 Far-East Languages on Windows 95/98 from working properly.
6473 NT uses Unicode internally anyway, so this flag will probably have no
6474 affect on NT machines. */);
6475 w32_enable_unicode_output
= 1;
6477 DEFVAR_BOOL ("w32-use-visible-system-caret",
6478 &w32_use_visible_system_caret
,
6479 doc
: /* Flag to make the system caret visible.
6480 When this is non-nil, Emacs will indicate the position of point by
6481 using the system caret instead of drawing its own cursor. Some screen
6482 reader software does not track the system cursor properly when it is
6483 invisible, and gets confused by Emacs drawing its own cursor, so this
6484 variable is initialized to t when Emacs detects that screen reader
6485 software is running as it starts up.
6487 When this variable is set, other variables affecting the appearance of
6488 the cursor have no effect. */);
6490 /* Initialize w32_use_visible_system_caret based on whether a screen
6491 reader is in use. */
6492 if (!SystemParametersInfo (SPI_GETSCREENREADER
, 0,
6493 &w32_use_visible_system_caret
, 0))
6494 w32_use_visible_system_caret
= 0;
6496 DEFVAR_LISP ("x-toolkit-scroll-bars", &Vx_toolkit_scroll_bars
,
6497 doc
: /* If not nil, Emacs uses toolkit scroll bars. */);
6498 Vx_toolkit_scroll_bars
= Qt
;
6500 staticpro (&last_mouse_motion_frame
);
6501 last_mouse_motion_frame
= Qnil
;
6504 /* arch-tag: 5fa70624-ab86-499c-8a85-473958ee4646
6505 (do not change this comment) */