1 /* Implementation of GUI terminal on the Microsoft W32 API.
2 Copyright (C) 1989, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001,
3 2002, 2003, 2004, 2005, 2006 Free Software Foundation, Inc.
5 This file is part of GNU Emacs.
7 GNU Emacs is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2, or (at your option)
12 GNU Emacs is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with GNU Emacs; see the file COPYING. If not, write to
19 the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
20 Boston, MA 02110-1301, USA. */
28 #include "blockinput.h"
47 #include "dispextern.h"
49 #include "termhooks.h"
56 #include "intervals.h"
57 #include "composite.h"
60 #define abs(x) ((x) < 0 ? -(x) : (x))
65 static int max_fringe_bmp
= 0;
66 static HBITMAP
*fringe_bmp
= 0;
68 /* Non-nil means Emacs uses toolkit scroll bars. */
70 Lisp_Object Vx_toolkit_scroll_bars
;
72 /* Temporary variables for w32_read_socket. */
74 static int last_mousemove_x
= 0;
75 static int last_mousemove_y
= 0;
77 /* Define GET_WHEEL_DELTA_WPARAM macro if system headers don't. */
78 #ifndef GET_WHEEL_DELTA_WPARAM
79 #define GET_WHEEL_DELTA_WPARAM(wparam) ((short)HIWORD (wparam))
82 /* Non-zero means that a HELP_EVENT has been generated since Emacs
85 static int any_help_event_p
;
87 /* Last window where we saw the mouse. Used by mouse-autoselect-window. */
88 static Lisp_Object last_window
;
90 /* Non-zero means make use of UNDERLINE_POSITION font properties.
91 (Not yet supported, see TODO in x_draw_glyph_string.) */
92 int x_use_underline_position_properties
;
94 extern unsigned int msh_mousewheel
;
96 extern void free_frame_menubar ();
98 extern int w32_codepage_for_font (char *fontname
);
99 extern Cursor
w32_load_cursor (LPCTSTR name
);
101 extern glyph_metric
*w32_BDF_TextMetric(bdffont
*fontp
,
102 unsigned char *text
, int dim
);
103 extern Lisp_Object Vwindow_system
;
105 #define x_any_window_to_frame x_window_to_frame
106 #define x_top_window_to_frame x_window_to_frame
109 /* This is display since w32 does not support multiple ones. */
110 struct w32_display_info one_w32_display_info
;
111 struct w32_display_info
*x_display_list
;
113 /* This is a list of cons cells, each of the form (NAME . FONT-LIST-CACHE),
114 one for each element of w32_display_list and in the same order.
115 NAME is the name of the frame.
116 FONT-LIST-CACHE records previous values returned by x-list-fonts. */
117 Lisp_Object w32_display_name_list
;
119 /* Frame being updated by update_frame. This is declared in term.c.
120 This is set by update_begin and looked at by all the
121 w32 functions. It is zero while not inside an update.
122 In that case, the w32 functions assume that `SELECTED_FRAME ()'
123 is the frame to apply to. */
124 extern struct frame
*updating_frame
;
126 /* This is a frame waiting to be autoraised, within w32_read_socket. */
127 struct frame
*pending_autoraise_frame
;
129 /* The handle of the frame that currently owns the system caret. */
130 HWND w32_system_caret_hwnd
;
131 int w32_system_caret_height
;
132 int w32_system_caret_x
;
133 int w32_system_caret_y
;
134 int w32_use_visible_system_caret
;
136 /* Flag to enable Unicode output in case users wish to use programs
137 like Twinbridge on '95 rather than installed system level support
138 for Far East languages. */
139 int w32_enable_unicode_output
;
141 /* Flag to enable Cleartype hack for font metrics. */
142 static int cleartype_active
;
144 DWORD dwWindowsThreadId
= 0;
145 HANDLE hWindowsThread
= NULL
;
146 DWORD dwMainThreadId
= 0;
147 HANDLE hMainThread
= NULL
;
150 /* These definitions are new with Windows 95. */
151 #define SIF_RANGE 0x0001
152 #define SIF_PAGE 0x0002
153 #define SIF_POS 0x0004
154 #define SIF_DISABLENOSCROLL 0x0008
155 #define SIF_TRACKPOS 0x0010
156 #define SIF_ALL (SIF_RANGE | SIF_PAGE | SIF_POS | SIF_TRACKPOS)
158 typedef struct tagSCROLLINFO
167 } SCROLLINFO
, FAR
*LPSCROLLINFO
;
168 typedef SCROLLINFO CONST FAR
*LPCSCROLLINFO
;
171 /* Dynamic linking to new proportional scroll bar functions. */
172 int (PASCAL
*pfnSetScrollInfo
) (HWND hwnd
, int fnBar
, LPSCROLLINFO lpsi
, BOOL fRedraw
);
173 BOOL (PASCAL
*pfnGetScrollInfo
) (HWND hwnd
, int fnBar
, LPSCROLLINFO lpsi
);
175 int vertical_scroll_bar_min_handle
;
176 int vertical_scroll_bar_top_border
;
177 int vertical_scroll_bar_bottom_border
;
179 int last_scroll_bar_drag_pos
;
181 /* Mouse movement. */
183 /* Where the mouse was last time we reported a mouse event. */
185 static RECT last_mouse_glyph
;
186 static FRAME_PTR last_mouse_glyph_frame
;
187 static Lisp_Object last_mouse_press_frame
;
189 int w32_num_mouse_buttons
;
191 Lisp_Object Vw32_swap_mouse_buttons
;
193 /* Control whether x_raise_frame also sets input focus. */
194 Lisp_Object Vw32_grab_focus_on_raise
;
196 /* Control whether Caps Lock affects non-ascii characters. */
197 Lisp_Object Vw32_capslock_is_shiftlock
;
199 /* Control whether right-alt and left-ctrl should be recognized as AltGr. */
200 Lisp_Object Vw32_recognize_altgr
;
202 /* The scroll bar in which the last motion event occurred.
204 If the last motion event occurred in a scroll bar, we set this
205 so w32_mouse_position can know whether to report a scroll bar motion or
208 If the last motion event didn't occur in a scroll bar, we set this
209 to Qnil, to tell w32_mouse_position to return an ordinary motion event. */
210 static Lisp_Object last_mouse_scroll_bar
;
211 static int last_mouse_scroll_bar_pos
;
213 /* This is a hack. We would really prefer that w32_mouse_position would
214 return the time associated with the position it returns, but there
215 doesn't seem to be any way to wrest the time-stamp from the server
216 along with the position query. So, we just keep track of the time
217 of the last movement we received, and return that in hopes that
218 it's somewhat accurate. */
220 static Time last_mouse_movement_time
;
222 /* Incremented by w32_read_socket whenever it really tries to read
226 static int volatile input_signal_count
;
228 static int input_signal_count
;
231 extern Lisp_Object Vcommand_line_args
, Vsystem_name
;
237 /* A mask of extra modifier bits to put into every keyboard char. */
239 extern EMACS_INT extra_keyboard_modifiers
;
241 static void x_update_window_end
P_ ((struct window
*, int, int));
242 void w32_delete_display
P_ ((struct w32_display_info
*));
243 static void w32_handle_tool_bar_click
P_ ((struct frame
*,
244 struct input_event
*));
245 void w32_define_cursor
P_ ((Window
, Cursor
));
247 void x_lower_frame
P_ ((struct frame
*));
248 void x_scroll_bar_clear
P_ ((struct frame
*));
249 void x_wm_set_size_hint
P_ ((struct frame
*, long, int));
250 void x_raise_frame
P_ ((struct frame
*));
251 void x_set_window_size
P_ ((struct frame
*, int, int, int));
252 void x_wm_set_window_state
P_ ((struct frame
*, int));
253 void x_wm_set_icon_pixmap
P_ ((struct frame
*, int));
254 void w32_initialize
P_ ((void));
255 static void x_font_min_bounds
P_ ((XFontStruct
*, int *, int *));
256 int x_compute_min_glyph_bounds
P_ ((struct frame
*));
257 static void x_update_end
P_ ((struct frame
*));
258 static void w32_frame_up_to_date
P_ ((struct frame
*));
259 static void w32_set_terminal_modes
P_ ((void));
260 static void w32_reset_terminal_modes
P_ ((void));
261 static void x_clear_frame
P_ ((void));
262 static void frame_highlight
P_ ((struct frame
*));
263 static void frame_unhighlight
P_ ((struct frame
*));
264 static void x_new_focus_frame
P_ ((struct w32_display_info
*,
266 static void x_focus_changed
P_ ((int, int, struct w32_display_info
*,
267 struct frame
*, struct input_event
*));
268 static void w32_detect_focus_change
P_ ((struct w32_display_info
*,
269 W32Msg
*, struct input_event
*));
270 static void w32_frame_rehighlight
P_ ((struct frame
*));
271 static void x_frame_rehighlight
P_ ((struct w32_display_info
*));
272 static void x_draw_hollow_cursor
P_ ((struct window
*, struct glyph_row
*));
273 static void x_draw_bar_cursor
P_ ((struct window
*, struct glyph_row
*, int,
274 enum text_cursor_kinds
));
275 static void w32_clip_to_row
P_ ((struct window
*, struct glyph_row
*, int, HDC
));
276 static BOOL my_show_window
P_ ((struct frame
*, HWND
, int));
277 static void my_set_window_pos
P_ ((HWND
, HWND
, int, int, int, int, UINT
));
278 static void my_set_focus
P_ ((struct frame
*, HWND
));
279 static void my_set_foreground_window
P_ ((HWND
));
280 static void my_destroy_window
P_ ((struct frame
*, HWND
));
282 static Lisp_Object Qvendor_specific_keysyms
;
285 /***********************************************************************
287 ***********************************************************************/
291 /* This is a function useful for recording debugging information about
292 the sequence of occurrences in this file. */
300 struct record event_record
[100];
302 int event_record_index
;
304 record_event (locus
, type
)
308 if (event_record_index
== sizeof (event_record
) / sizeof (struct record
))
309 event_record_index
= 0;
311 event_record
[event_record_index
].locus
= locus
;
312 event_record
[event_record_index
].type
= type
;
313 event_record_index
++;
320 XChangeGC (void * ignore
, XGCValues
* gc
, unsigned long mask
,
323 if (mask
& GCForeground
)
324 gc
->foreground
= xgcv
->foreground
;
325 if (mask
& GCBackground
)
326 gc
->background
= xgcv
->background
;
328 gc
->font
= xgcv
->font
;
331 XGCValues
*XCreateGC (void * ignore
, Window window
, unsigned long mask
,
334 XGCValues
*gc
= (XGCValues
*) xmalloc (sizeof (XGCValues
));
335 bzero (gc
, sizeof (XGCValues
));
337 XChangeGC (ignore
, gc
, mask
, xgcv
);
343 XGetGCValues (void* ignore
, XGCValues
*gc
,
344 unsigned long mask
, XGCValues
*xgcv
)
346 XChangeGC (ignore
, xgcv
, mask
, gc
);
350 w32_set_clip_rectangle (HDC hdc
, RECT
*rect
)
354 HRGN clip_region
= CreateRectRgnIndirect (rect
);
355 SelectClipRgn (hdc
, clip_region
);
356 DeleteObject (clip_region
);
359 SelectClipRgn (hdc
, NULL
);
363 /* Draw a hollow rectangle at the specified position. */
365 w32_draw_rectangle (HDC hdc
, XGCValues
*gc
, int x
, int y
,
366 int width
, int height
)
371 hb
= CreateSolidBrush (gc
->background
);
372 hp
= CreatePen (PS_SOLID
, 0, gc
->foreground
);
373 oldhb
= SelectObject (hdc
, hb
);
374 oldhp
= SelectObject (hdc
, hp
);
376 Rectangle (hdc
, x
, y
, x
+ width
, y
+ height
);
378 SelectObject (hdc
, oldhb
);
379 SelectObject (hdc
, oldhp
);
384 /* Draw a filled rectangle at the specified position. */
386 w32_fill_rect (f
, hdc
, pix
, lprect
)
394 hb
= CreateSolidBrush (pix
);
395 FillRect (hdc
, lprect
, hb
);
404 HDC hdc
= get_frame_dc (f
);
406 /* Under certain conditions, this can be called at startup with
407 a console frame pointer before the GUI frame is created. An HDC
408 of 0 indicates this. */
411 GetClientRect (FRAME_W32_WINDOW (f
), &rect
);
412 w32_clear_rect (f
, hdc
, &rect
);
415 release_frame_dc (f
, hdc
);
419 /***********************************************************************
420 Starting and ending an update
421 ***********************************************************************/
423 /* Start an update of frame F. This function is installed as a hook
424 for update_begin, i.e. it is called when update_begin is called.
425 This function is called prior to calls to x_update_window_begin for
426 each window being updated. */
432 struct w32_display_info
*display_info
= FRAME_W32_DISPLAY_INFO (f
);
434 if (! FRAME_W32_P (f
))
437 /* Regenerate display palette before drawing if list of requested
438 colors has changed. */
439 if (display_info
->regen_palette
)
441 w32_regenerate_palette (f
);
442 display_info
->regen_palette
= FALSE
;
447 /* Start update of window W. Set the global variable updated_window
448 to the window being updated and set output_cursor to the cursor
452 x_update_window_begin (w
)
455 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
456 struct w32_display_info
*display_info
= FRAME_W32_DISPLAY_INFO (f
);
458 /* Hide the system caret during an update. */
459 if (w32_use_visible_system_caret
&& w32_system_caret_hwnd
)
461 SendMessage (w32_system_caret_hwnd
, WM_EMACS_HIDE_CARET
, 0, 0);
465 set_output_cursor (&w
->cursor
);
469 if (f
== display_info
->mouse_face_mouse_frame
)
471 /* Don't do highlighting for mouse motion during the update. */
472 display_info
->mouse_face_defer
= 1;
474 /* If F needs to be redrawn, simply forget about any prior mouse
476 if (FRAME_GARBAGED_P (f
))
477 display_info
->mouse_face_window
= Qnil
;
479 #if 0 /* Rows in a current matrix containing glyphs in mouse-face have
480 their mouse_face_p flag set, which means that they are always
481 unequal to rows in a desired matrix which never have that
482 flag set. So, rows containing mouse-face glyphs are never
483 scrolled, and we don't have to switch the mouse highlight off
484 here to prevent it from being scrolled. */
486 /* Can we tell that this update does not affect the window
487 where the mouse highlight is? If so, no need to turn off.
488 Likewise, don't do anything if the frame is garbaged;
489 in that case, the frame's current matrix that we would use
490 is all wrong, and we will redisplay that line anyway. */
491 if (!NILP (display_info
->mouse_face_window
)
492 && w
== XWINDOW (display_info
->mouse_face_window
))
496 for (i
= 0; i
< w
->desired_matrix
->nrows
; ++i
)
497 if (MATRIX_ROW_ENABLED_P (w
->desired_matrix
, i
))
500 if (i
< w
->desired_matrix
->nrows
)
501 clear_mouse_face (display_info
);
509 /* Draw a vertical window border from (x,y0) to (x,y1) */
512 w32_draw_vertical_window_border (w
, x
, y0
, y1
)
516 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
526 hdc
= get_frame_dc (f
);
527 face
= FACE_FROM_ID (f
, VERTICAL_BORDER_FACE_ID
);
529 w32_fill_rect (f
, hdc
, face
->foreground
, &r
);
531 w32_fill_rect (f
, hdc
, FRAME_FOREGROUND_PIXEL (f
), &r
);
533 release_frame_dc (f
, hdc
);
537 /* End update of window W (which is equal to updated_window).
539 Draw vertical borders between horizontally adjacent windows, and
540 display W's cursor if CURSOR_ON_P is non-zero.
542 MOUSE_FACE_OVERWRITTEN_P non-zero means that some row containing
543 glyphs in mouse-face were overwritten. In that case we have to
544 make sure that the mouse-highlight is properly redrawn.
546 W may be a menu bar pseudo-window in case we don't have X toolkit
547 support. Such windows don't have a cursor, so don't display it
551 x_update_window_end (w
, cursor_on_p
, mouse_face_overwritten_p
)
553 int cursor_on_p
, mouse_face_overwritten_p
;
555 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (XFRAME (w
->frame
));
557 if (!w
->pseudo_window_p
)
562 display_and_set_cursor (w
, 1, output_cursor
.hpos
,
564 output_cursor
.x
, output_cursor
.y
);
566 if (draw_window_fringes (w
, 1))
567 x_draw_vertical_border (w
);
572 /* If a row with mouse-face was overwritten, arrange for
573 XTframe_up_to_date to redisplay the mouse highlight. */
574 if (mouse_face_overwritten_p
)
576 dpyinfo
->mouse_face_beg_row
= dpyinfo
->mouse_face_beg_col
= -1;
577 dpyinfo
->mouse_face_end_row
= dpyinfo
->mouse_face_end_col
= -1;
578 dpyinfo
->mouse_face_window
= Qnil
;
581 /* Unhide the caret. This won't actually show the cursor, unless it
582 was visible before the corresponding call to HideCaret in
583 x_update_window_begin. */
584 if (w32_use_visible_system_caret
&& w32_system_caret_hwnd
)
586 SendMessage (w32_system_caret_hwnd
, WM_EMACS_SHOW_CARET
, 0, 0);
589 updated_window
= NULL
;
593 /* End update of frame F. This function is installed as a hook in
600 if (! FRAME_W32_P (f
))
603 /* Mouse highlight may be displayed again. */
604 FRAME_W32_DISPLAY_INFO (f
)->mouse_face_defer
= 0;
608 /* This function is called from various places in xdisp.c whenever a
609 complete update has been performed. The global variable
610 updated_window is not available here. */
613 w32_frame_up_to_date (f
)
618 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
620 if (dpyinfo
->mouse_face_deferred_gc
621 || f
== dpyinfo
->mouse_face_mouse_frame
)
624 if (dpyinfo
->mouse_face_mouse_frame
)
625 note_mouse_highlight (dpyinfo
->mouse_face_mouse_frame
,
626 dpyinfo
->mouse_face_mouse_x
,
627 dpyinfo
->mouse_face_mouse_y
);
628 dpyinfo
->mouse_face_deferred_gc
= 0;
635 /* Draw truncation mark bitmaps, continuation mark bitmaps, overlay
636 arrow bitmaps, or clear the fringes if no bitmaps are required
637 before DESIRED_ROW is made current. The window being updated is
638 found in updated_window. This function is called from
639 update_window_line only if it is known that there are differences
640 between bitmaps to be drawn between current row and DESIRED_ROW. */
643 x_after_update_window_line (desired_row
)
644 struct glyph_row
*desired_row
;
646 struct window
*w
= updated_window
;
652 if (!desired_row
->mode_line_p
&& !w
->pseudo_window_p
)
653 desired_row
->redraw_fringe_bitmaps_p
= 1;
655 /* When a window has disappeared, make sure that no rest of
656 full-width rows stays visible in the internal border. Could
657 check here if updated_window is the leftmost/rightmost window,
658 but I guess it's not worth doing since vertically split windows
659 are almost never used, internal border is rarely set, and the
660 overhead is very small. */
661 if (windows_or_buffers_changed
662 && desired_row
->full_width_p
663 && (f
= XFRAME (w
->frame
),
664 width
= FRAME_INTERNAL_BORDER_WIDTH (f
),
666 && (height
= desired_row
->visible_height
,
669 int y
= WINDOW_TO_FRAME_PIXEL_Y (w
, max (0, desired_row
->y
));
671 /* Internal border is drawn below the tool bar. */
672 if (WINDOWP (f
->tool_bar_window
)
673 && w
== XWINDOW (f
->tool_bar_window
))
678 HDC hdc
= get_frame_dc (f
);
679 w32_clear_area (f
, hdc
, 0, y
, width
, height
);
680 w32_clear_area (f
, hdc
, FRAME_PIXEL_WIDTH (f
) - width
,
682 release_frame_dc (f
, hdc
);
689 /* Draw the bitmap WHICH in one of the left or right fringes of
690 window W. ROW is the glyph row for which to display the bitmap; it
691 determines the vertical position at which the bitmap has to be
695 w32_draw_fringe_bitmap (w
, row
, p
)
697 struct glyph_row
*row
;
698 struct draw_fringe_bitmap_params
*p
;
700 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
702 struct face
*face
= p
->face
;
705 hdc
= get_frame_dc (f
);
707 /* Must clip because of partially visible lines. */
708 rowY
= WINDOW_TO_FRAME_PIXEL_Y (w
, row
->y
);
711 /* Adjust position of "bottom aligned" bitmap on partially
714 int oldVH
= row
->visible_height
;
715 row
->visible_height
= p
->h
;
716 row
->y
-= rowY
- p
->y
;
717 w32_clip_to_row (w
, row
, -1, hdc
);
719 row
->visible_height
= oldVH
;
722 w32_clip_to_row (w
, row
, -1, hdc
);
724 if (p
->bx
>= 0 && !p
->overlay_p
)
726 w32_fill_area (f
, hdc
, face
->background
,
727 p
->bx
, p
->by
, p
->nx
, p
->ny
);
730 if (p
->which
&& p
->which
< max_fringe_bmp
)
732 HBITMAP pixmap
= fringe_bmp
[p
->which
];
736 compat_hdc
= CreateCompatibleDC (hdc
);
740 horig_obj
= SelectObject (compat_hdc
, pixmap
);
742 /* Paint overlays transparently. */
745 HBRUSH h_brush
, h_orig_brush
;
747 SetTextColor (hdc
, BLACK_PIX_DEFAULT (f
));
748 SetBkColor (hdc
, WHITE_PIX_DEFAULT (f
));
749 h_brush
= CreateSolidBrush (face
->foreground
);
750 h_orig_brush
= SelectObject (hdc
, h_brush
);
752 BitBlt (hdc
, p
->x
, p
->y
, p
->wd
, p
->h
,
753 compat_hdc
, 0, p
->dh
,
755 BitBlt (hdc
, p
->x
, p
->y
, p
->wd
, p
->h
,
756 compat_hdc
, 0, p
->dh
,
758 BitBlt (hdc
, p
->x
, p
->y
, p
->wd
, p
->h
,
759 compat_hdc
, 0, p
->dh
,
762 SelectObject (hdc
, h_orig_brush
);
763 DeleteObject (h_brush
);
767 SetTextColor (hdc
, face
->background
);
768 SetBkColor (hdc
, (p
->cursor_p
769 ? f
->output_data
.w32
->cursor_pixel
770 : face
->foreground
));
772 BitBlt (hdc
, p
->x
, p
->y
, p
->wd
, p
->h
,
773 compat_hdc
, 0, p
->dh
,
777 SelectObject (compat_hdc
, horig_obj
);
778 DeleteDC (compat_hdc
);
782 w32_set_clip_rectangle (hdc
, NULL
);
784 release_frame_dc (f
, hdc
);
788 w32_define_fringe_bitmap (which
, bits
, h
, wd
)
790 unsigned short *bits
;
793 if (which
>= max_fringe_bmp
)
795 int i
= max_fringe_bmp
;
796 max_fringe_bmp
= which
+ 20;
797 fringe_bmp
= (HBITMAP
*) xrealloc (fringe_bmp
, max_fringe_bmp
* sizeof (HBITMAP
));
798 while (i
< max_fringe_bmp
)
802 fringe_bmp
[which
] = CreateBitmap (wd
, h
, 1, 1, bits
);
806 w32_destroy_fringe_bitmap (which
)
809 if (which
>= max_fringe_bmp
)
812 if (fringe_bmp
[which
])
813 DeleteObject (fringe_bmp
[which
]);
814 fringe_bmp
[which
] = 0;
819 /* This is called when starting Emacs and when restarting after
820 suspend. When starting Emacs, no window is mapped. And nothing
821 must be done to Emacs's own window if it is suspended (though that
825 w32_set_terminal_modes (void)
829 /* This is called when exiting or suspending Emacs. Exiting will make
830 the W32 windows go away, and suspending requires no action. */
833 w32_reset_terminal_modes (void)
839 /***********************************************************************
841 ***********************************************************************/
843 /* Function prototypes of this page. */
845 XCharStruct
*w32_per_char_metric
P_ ((XFontStruct
*, wchar_t *, int));
846 static int w32_encode_char
P_ ((int, wchar_t *, struct font_info
*, int *));
849 /* Get metrics of character CHAR2B in FONT. Value is always non-null.
850 If CHAR2B is not contained in FONT, the font's default character
851 metric is returned. */
854 w32_bdf_per_char_metric (font
, char2b
, dim
, pcm
)
860 glyph_metric
* bdf_metric
;
864 buf
[0] = (char)(*char2b
);
867 buf
[0] = XCHAR2B_BYTE1 (char2b
);
868 buf
[1] = XCHAR2B_BYTE2 (char2b
);
871 bdf_metric
= w32_BDF_TextMetric (font
->bdf
, buf
, dim
);
875 pcm
->width
= bdf_metric
->dwidth
;
876 pcm
->lbearing
= bdf_metric
->bbox
;
877 pcm
->rbearing
= bdf_metric
->dwidth
878 - (bdf_metric
->bbox
+ bdf_metric
->bbw
);
879 pcm
->ascent
= bdf_metric
->bboy
+ bdf_metric
->bbh
;
880 pcm
->descent
= -bdf_metric
->bboy
;
889 w32_native_per_char_metric (font
, char2b
, font_type
, pcm
)
892 enum w32_char_font_type font_type
;
895 HDC hdc
= GetDC (NULL
);
899 xassert (font
&& char2b
);
900 xassert (font
->hfont
);
901 xassert (font_type
== UNICODE_FONT
|| font_type
== ANSI_FONT
);
903 old_font
= SelectObject (hdc
, font
->hfont
);
905 if ((font
->tm
.tmPitchAndFamily
& TMPF_TRUETYPE
) != 0)
909 if (font_type
== UNICODE_FONT
)
910 retval
= GetCharABCWidthsW (hdc
, *char2b
, *char2b
, &char_widths
);
912 retval
= GetCharABCWidthsA (hdc
, *char2b
, *char2b
, &char_widths
);
917 /* Disabled until we can find a way to get the right results
918 on all versions of Windows. */
920 /* Don't trust the ABC widths. For synthesized fonts they are
921 wrong, and so is the result of GetCharWidth()! */
923 GetCharWidth (hdc
, *char2b
, *char2b
, &real_width
);
925 if (cleartype_active
)
927 /* Cleartype antialiasing causes characters to overhang
928 by a pixel on each side compared with what GetCharABCWidths
930 char_widths
.abcA
-= 1;
931 char_widths
.abcC
-= 1;
932 char_widths
.abcB
+= 2;
935 pcm
->width
= char_widths
.abcA
+ char_widths
.abcB
+ char_widths
.abcC
;
937 /* As far as I can tell, this is the best way to determine what
938 ExtTextOut will do with the broken font. */
939 if (pcm
->width
!= real_width
)
940 pcm
->width
= (pcm
->width
+ real_width
) / 2;
942 pcm
->lbearing
= char_widths
.abcA
;
943 pcm
->rbearing
= char_widths
.abcA
+ char_widths
.abcB
;
944 pcm
->ascent
= FONT_BASE (font
);
945 pcm
->descent
= FONT_DESCENT (font
);
951 /* Either font is not a True-type font, or GetCharABCWidthsW
952 failed (it is not supported on Windows 9x for instance), so we
953 can't determine the full info we would like. All is not lost
954 though - we can call GetTextExtentPoint32 to get rbearing and
955 deduce width based on the font's per-string overhang. lbearing
956 is assumed to be zero. */
958 /* TODO: Some Thai characters (and other composites if Windows
959 supports them) do have lbearing, and report their total width
960 as zero. Need some way of handling them when
961 GetCharABCWidthsW fails. */
964 if (font_type
== UNICODE_FONT
)
965 retval
= GetTextExtentPoint32W (hdc
, char2b
, 1, &sz
);
967 retval
= GetTextExtentPoint32A (hdc
, (char*)char2b
, 1, &sz
);
971 pcm
->width
= sz
.cx
- font
->tm
.tmOverhang
;
972 pcm
->rbearing
= sz
.cx
;
974 pcm
->ascent
= FONT_BASE (font
);
975 pcm
->descent
= FONT_DESCENT (font
);
980 if (pcm
->width
== 0 && (pcm
->rbearing
- pcm
->lbearing
) == 0)
985 SelectObject (hdc
, old_font
);
986 ReleaseDC (NULL
, hdc
);
993 w32_per_char_metric (font
, char2b
, font_type
)
996 int /* enum w32_char_font_type */ font_type
;
998 /* The result metric information. */
1002 xassert (font
&& char2b
);
1004 /* TODO: This function is currently called through the RIF, and in
1005 some cases font_type is UNKNOWN_FONT. We currently allow the
1006 cached metrics to be used, which seems to work, but in cases
1007 where font_type is UNKNOWN_FONT, we probably haven't encoded
1008 char2b appropriately. All callers need checking to see what they
1009 are passing. This is most likely to affect variable width fonts
1010 outside the Latin-1 range, particularly in languages like Thai
1011 that rely on rbearing and lbearing to provide composition. I
1012 don't think that is working currently anyway, but we don't seem
1013 to have anyone testing such languages on Windows. */
1015 /* Handle the common cases quickly. */
1016 if (!font
->bdf
&& font
->per_char
== NULL
)
1017 /* TODO: determine whether char2b exists in font? */
1018 return &font
->max_bounds
;
1019 else if (!font
->bdf
&& *char2b
< 128)
1020 return &font
->per_char
[*char2b
];
1022 xassert (font_type
!= UNKNOWN_FONT
);
1024 pcm
= &font
->scratch
;
1026 if (font_type
== BDF_1D_FONT
)
1027 retval
= w32_bdf_per_char_metric (font
, char2b
, 1, pcm
);
1028 else if (font_type
== BDF_2D_FONT
)
1029 retval
= w32_bdf_per_char_metric (font
, char2b
, 2, pcm
);
1031 retval
= w32_native_per_char_metric (font
, char2b
, font_type
, pcm
);
1040 w32_cache_char_metrics (font
)
1043 wchar_t char2b
= L
'x';
1045 /* Cache char metrics for the common cases. */
1048 /* TODO: determine whether font is fixed-pitch. */
1049 if (!w32_bdf_per_char_metric (font
, &char2b
, 1, &font
->max_bounds
))
1051 /* Use the font width and height as max bounds, as not all BDF
1052 fonts contain the letter 'x'. */
1053 font
->max_bounds
.width
= FONT_MAX_WIDTH (font
);
1054 font
->max_bounds
.lbearing
= -font
->bdf
->llx
;
1055 font
->max_bounds
.rbearing
= FONT_MAX_WIDTH (font
) - font
->bdf
->urx
;
1056 font
->max_bounds
.ascent
= FONT_BASE (font
);
1057 font
->max_bounds
.descent
= FONT_DESCENT (font
);
1062 if (((font
->tm
.tmPitchAndFamily
& TMPF_FIXED_PITCH
) != 0)
1063 /* Some fonts (eg DBCS fonts) are marked as fixed width even
1064 though they contain characters of different widths. */
1065 || (font
->tm
.tmMaxCharWidth
!= font
->tm
.tmAveCharWidth
))
1067 /* Font is not fixed pitch, so cache per_char info for the
1068 ASCII characters. It would be much more work, and probably
1069 not worth it, to cache other chars, since we may change
1070 between using Unicode and ANSI text drawing functions at
1074 font
->per_char
= xmalloc (128 * sizeof(XCharStruct
));
1075 for (i
= 0; i
< 128; i
++)
1078 w32_native_per_char_metric (font
, &char2b
, ANSI_FONT
,
1079 &font
->per_char
[i
]);
1083 w32_native_per_char_metric (font
, &char2b
, ANSI_FONT
,
1089 /* Determine if a font is double byte. */
1090 int w32_font_is_double_byte (XFontStruct
*font
)
1092 return font
->double_byte_p
;
1097 w32_use_unicode_for_codepage (codepage
)
1100 /* If the current codepage is supported, use Unicode for output. */
1101 return (w32_enable_unicode_output
1102 && codepage
!= CP_8BIT
1103 && (codepage
== CP_UNICODE
|| IsValidCodePage (codepage
)));
1106 /* Encode CHAR2B using encoding information from FONT_INFO. CHAR2B is
1107 the two-byte form of C. Encoding is returned in *CHAR2B. */
1109 static int /* enum w32_char_font_type */
1110 w32_encode_char (c
, char2b
, font_info
, two_byte_p
)
1113 struct font_info
*font_info
;
1116 int charset
= CHAR_CHARSET (c
);
1119 int internal_two_byte_p
= 0;
1121 XFontStruct
*font
= font_info
->font
;
1123 internal_two_byte_p
= w32_font_is_double_byte (font
);
1125 /* FONT_INFO may define a scheme by which to encode byte1 and byte2.
1126 This may be either a program in a special encoder language or a
1128 if (font_info
->font_encoder
)
1130 /* It's a program. */
1131 struct ccl_program
*ccl
= font_info
->font_encoder
;
1133 if (CHARSET_DIMENSION (charset
) == 1)
1135 ccl
->reg
[0] = charset
;
1136 ccl
->reg
[1] = XCHAR2B_BYTE2 (char2b
);
1141 ccl
->reg
[0] = charset
;
1142 ccl
->reg
[1] = XCHAR2B_BYTE1 (char2b
);
1143 ccl
->reg
[2] = XCHAR2B_BYTE2 (char2b
);
1146 ccl_driver (ccl
, NULL
, NULL
, 0, 0, NULL
);
1148 /* We assume that MSBs are appropriately set/reset by CCL
1150 if (!internal_two_byte_p
) /* 1-byte font */
1151 STORE_XCHAR2B (char2b
, 0, ccl
->reg
[1]);
1153 STORE_XCHAR2B (char2b
, ccl
->reg
[1], ccl
->reg
[2]);
1155 else if (font_info
->encoding
[charset
])
1157 /* Fixed encoding scheme. See fontset.h for the meaning of the
1158 encoding numbers. */
1159 int enc
= font_info
->encoding
[charset
];
1161 if ((enc
== 1 || enc
== 2)
1162 && CHARSET_DIMENSION (charset
) == 2)
1163 STORE_XCHAR2B (char2b
, XCHAR2B_BYTE1 (char2b
) | 0x80, XCHAR2B_BYTE2 (char2b
));
1165 if (enc
== 1 || enc
== 3
1166 || (enc
== 4 && CHARSET_DIMENSION (charset
) == 1))
1167 STORE_XCHAR2B (char2b
, XCHAR2B_BYTE1 (char2b
), XCHAR2B_BYTE2 (char2b
) | 0x80);
1172 ENCODE_SJIS (XCHAR2B_BYTE1 (char2b
), XCHAR2B_BYTE2 (char2b
),
1174 STORE_XCHAR2B (char2b
, sjis1
, sjis2
);
1177 codepage
= font_info
->codepage
;
1179 /* If charset is not ASCII or Latin-1, may need to move it into
1181 if ( font
&& !font
->bdf
&& w32_use_unicode_for_codepage (codepage
)
1182 && charset
!= CHARSET_ASCII
&& charset
!= charset_latin_iso8859_1
1183 && charset
!= CHARSET_8_BIT_CONTROL
&& charset
!= CHARSET_8_BIT_GRAPHIC
)
1186 temp
[0] = XCHAR2B_BYTE1 (char2b
);
1187 temp
[1] = XCHAR2B_BYTE2 (char2b
);
1189 if (codepage
!= CP_UNICODE
)
1192 MultiByteToWideChar (codepage
, 0, temp
, 2, char2b
, 1);
1194 MultiByteToWideChar (codepage
, 0, temp
+1, 1, char2b
, 1);
1197 internal_two_byte_p
= 1;
1201 *two_byte_p
= internal_two_byte_p
;
1204 return UNKNOWN_FONT
;
1205 else if (font
->bdf
&& CHARSET_DIMENSION (charset
) == 1)
1210 return UNICODE_FONT
;
1217 /***********************************************************************
1219 ***********************************************************************/
1222 /* Encapsulate the different ways of displaying text under W32. */
1225 w32_text_out (s
, x
, y
,chars
,nchars
)
1226 struct glyph_string
* s
;
1231 int charset_dim
= w32_font_is_double_byte (s
->font
) ? 2 : 1;
1233 w32_BDF_TextOut (s
->font
->bdf
, s
->hdc
,
1234 x
, y
, (char *) chars
, charset_dim
,
1235 nchars
* charset_dim
, 0);
1236 else if (s
->first_glyph
->font_type
== UNICODE_FONT
)
1237 ExtTextOutW (s
->hdc
, x
, y
, 0, NULL
, chars
, nchars
, NULL
);
1239 ExtTextOutA (s
->hdc
, x
, y
, 0, NULL
, (char *) chars
,
1240 nchars
* charset_dim
, NULL
);
1244 static void x_set_glyph_string_clipping
P_ ((struct glyph_string
*));
1245 static void x_set_glyph_string_gc
P_ ((struct glyph_string
*));
1246 static void x_draw_glyph_string_background
P_ ((struct glyph_string
*,
1248 static void x_draw_glyph_string_foreground
P_ ((struct glyph_string
*));
1249 static void x_draw_composite_glyph_string_foreground
P_ ((struct glyph_string
*));
1250 static void x_draw_glyph_string_box
P_ ((struct glyph_string
*));
1251 static void x_draw_glyph_string
P_ ((struct glyph_string
*));
1252 static void x_set_cursor_gc
P_ ((struct glyph_string
*));
1253 static void x_set_mode_line_face_gc
P_ ((struct glyph_string
*));
1254 static void x_set_mouse_face_gc
P_ ((struct glyph_string
*));
1255 static int w32_alloc_lighter_color (struct frame
*, COLORREF
*, double, int);
1256 static void w32_setup_relief_color
P_ ((struct frame
*, struct relief
*,
1257 double, int, COLORREF
));
1258 static void x_setup_relief_colors
P_ ((struct glyph_string
*));
1259 static void x_draw_image_glyph_string
P_ ((struct glyph_string
*));
1260 static void x_draw_image_relief
P_ ((struct glyph_string
*));
1261 static void x_draw_image_foreground
P_ ((struct glyph_string
*));
1262 static void w32_draw_image_foreground_1
P_ ((struct glyph_string
*, HBITMAP
));
1263 static void x_clear_glyph_string_rect
P_ ((struct glyph_string
*, int,
1265 static void w32_draw_relief_rect
P_ ((struct frame
*, int, int, int, int,
1266 int, int, int, int, int, int,
1268 static void w32_draw_box_rect
P_ ((struct glyph_string
*, int, int, int, int,
1269 int, int, int, RECT
*));
1272 static void x_check_font
P_ ((struct frame
*, XFontStruct
*));
1276 /* Set S->gc to a suitable GC for drawing glyph string S in cursor
1281 struct glyph_string
*s
;
1283 if (s
->font
== FRAME_FONT (s
->f
)
1284 && s
->face
->background
== FRAME_BACKGROUND_PIXEL (s
->f
)
1285 && s
->face
->foreground
== FRAME_FOREGROUND_PIXEL (s
->f
)
1287 s
->gc
= s
->f
->output_data
.w32
->cursor_gc
;
1290 /* Cursor on non-default face: must merge. */
1294 xgcv
.background
= s
->f
->output_data
.w32
->cursor_pixel
;
1295 xgcv
.foreground
= s
->face
->background
;
1297 /* If the glyph would be invisible, try a different foreground. */
1298 if (xgcv
.foreground
== xgcv
.background
)
1299 xgcv
.foreground
= s
->face
->foreground
;
1300 if (xgcv
.foreground
== xgcv
.background
)
1301 xgcv
.foreground
= s
->f
->output_data
.w32
->cursor_foreground_pixel
;
1302 if (xgcv
.foreground
== xgcv
.background
)
1303 xgcv
.foreground
= s
->face
->foreground
;
1305 /* Make sure the cursor is distinct from text in this face. */
1306 if (xgcv
.background
== s
->face
->background
1307 && xgcv
.foreground
== s
->face
->foreground
)
1309 xgcv
.background
= s
->face
->foreground
;
1310 xgcv
.foreground
= s
->face
->background
;
1313 IF_DEBUG (x_check_font (s
->f
, s
->font
));
1314 xgcv
.font
= s
->font
;
1315 mask
= GCForeground
| GCBackground
| GCFont
;
1317 if (FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
)
1318 XChangeGC (NULL
, FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
,
1321 FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
1322 = XCreateGC (NULL
, s
->window
, mask
, &xgcv
);
1324 s
->gc
= FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
;
1329 /* Set up S->gc of glyph string S for drawing text in mouse face. */
1332 x_set_mouse_face_gc (s
)
1333 struct glyph_string
*s
;
1338 /* What face has to be used last for the mouse face? */
1339 face_id
= FRAME_W32_DISPLAY_INFO (s
->f
)->mouse_face_face_id
;
1340 face
= FACE_FROM_ID (s
->f
, face_id
);
1342 face
= FACE_FROM_ID (s
->f
, MOUSE_FACE_ID
);
1344 if (s
->first_glyph
->type
== CHAR_GLYPH
)
1345 face_id
= FACE_FOR_CHAR (s
->f
, face
, s
->first_glyph
->u
.ch
);
1347 face_id
= FACE_FOR_CHAR (s
->f
, face
, 0);
1348 s
->face
= FACE_FROM_ID (s
->f
, face_id
);
1349 PREPARE_FACE_FOR_DISPLAY (s
->f
, s
->face
);
1351 /* If font in this face is same as S->font, use it. */
1352 if (s
->font
== s
->face
->font
)
1353 s
->gc
= s
->face
->gc
;
1356 /* Otherwise construct scratch_cursor_gc with values from FACE
1361 xgcv
.background
= s
->face
->background
;
1362 xgcv
.foreground
= s
->face
->foreground
;
1363 IF_DEBUG (x_check_font (s
->f
, s
->font
));
1364 xgcv
.font
= s
->font
;
1365 mask
= GCForeground
| GCBackground
| GCFont
;
1367 if (FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
)
1368 XChangeGC (NULL
, FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
,
1371 FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
1372 = XCreateGC (NULL
, s
->window
, mask
, &xgcv
);
1374 s
->gc
= FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
;
1377 xassert (s
->gc
!= 0);
1381 /* Set S->gc of glyph string S to a GC suitable for drawing a mode line.
1382 Faces to use in the mode line have already been computed when the
1383 matrix was built, so there isn't much to do, here. */
1386 x_set_mode_line_face_gc (s
)
1387 struct glyph_string
*s
;
1389 s
->gc
= s
->face
->gc
;
1393 /* Set S->gc of glyph string S for drawing that glyph string. Set
1394 S->stippled_p to a non-zero value if the face of S has a stipple
1398 x_set_glyph_string_gc (s
)
1399 struct glyph_string
*s
;
1401 PREPARE_FACE_FOR_DISPLAY (s
->f
, s
->face
);
1403 if (s
->hl
== DRAW_NORMAL_TEXT
)
1405 s
->gc
= s
->face
->gc
;
1406 s
->stippled_p
= s
->face
->stipple
!= 0;
1408 else if (s
->hl
== DRAW_INVERSE_VIDEO
)
1410 x_set_mode_line_face_gc (s
);
1411 s
->stippled_p
= s
->face
->stipple
!= 0;
1413 else if (s
->hl
== DRAW_CURSOR
)
1415 x_set_cursor_gc (s
);
1418 else if (s
->hl
== DRAW_MOUSE_FACE
)
1420 x_set_mouse_face_gc (s
);
1421 s
->stippled_p
= s
->face
->stipple
!= 0;
1423 else if (s
->hl
== DRAW_IMAGE_RAISED
1424 || s
->hl
== DRAW_IMAGE_SUNKEN
)
1426 s
->gc
= s
->face
->gc
;
1427 s
->stippled_p
= s
->face
->stipple
!= 0;
1431 s
->gc
= s
->face
->gc
;
1432 s
->stippled_p
= s
->face
->stipple
!= 0;
1435 /* GC must have been set. */
1436 xassert (s
->gc
!= 0);
1440 /* Set clipping for output of glyph string S. S may be part of a mode
1441 line or menu if we don't have X toolkit support. */
1444 x_set_glyph_string_clipping (s
)
1445 struct glyph_string
*s
;
1448 get_glyph_string_clip_rect (s
, &r
);
1449 w32_set_clip_rectangle (s
->hdc
, &r
);
1454 Compute left and right overhang of glyph string S. If S is a glyph
1455 string for a composition, assume overhangs don't exist. */
1458 w32_compute_glyph_string_overhangs (s
)
1459 struct glyph_string
*s
;
1461 /* TODO: Windows does not appear to have a method for
1462 getting this info without getting the ABC widths for each
1463 individual character and working it out manually. */
1468 w32_get_glyph_overhangs (glyph
, f
, left
, right
)
1469 struct glyph
*glyph
;
1473 HDC hdc
= get_frame_dc (f
);
1474 /* Convert to unicode! */
1475 x_get_glyph_overhangs (glyph
, f
, left
, right
);
1476 release_frame_dc (f
, hdc
);
1480 /* Fill rectangle X, Y, W, H with background color of glyph string S. */
1483 x_clear_glyph_string_rect (s
, x
, y
, w
, h
)
1484 struct glyph_string
*s
;
1492 /* Take clipping into account. */
1493 if (s
->gc
->clip_mask
== Rect
)
1495 real_x
= max (real_x
, s
->gc
->clip_rectangle
.left
);
1496 real_y
= max (real_y
, s
->gc
->clip_rectangle
.top
);
1497 real_w
= min (real_w
, s
->gc
->clip_rectangle
.right
1498 - s
->gc
->clip_rectangle
.left
);
1499 real_h
= min (real_h
, s
->gc
->clip_rectangle
.bottom
1500 - s
->gc
->clip_rectangle
.top
);
1503 w32_fill_area (s
->f
, s
->hdc
, s
->gc
->background
, real_x
, real_y
,
1508 /* Draw the background of glyph_string S. If S->background_filled_p
1509 is non-zero don't draw it. FORCE_P non-zero means draw the
1510 background even if it wouldn't be drawn normally. This is used
1511 when a string preceding S draws into the background of S, or S
1512 contains the first component of a composition. */
1515 x_draw_glyph_string_background (s
, force_p
)
1516 struct glyph_string
*s
;
1519 /* Nothing to do if background has already been drawn or if it
1520 shouldn't be drawn in the first place. */
1521 if (!s
->background_filled_p
)
1523 int box_line_width
= max (s
->face
->box_line_width
, 0);
1525 #if 0 /* TODO: stipple */
1528 /* Fill background with a stipple pattern. */
1529 XSetFillStyle (s
->display
, s
->gc
, FillOpaqueStippled
);
1530 XFillRectangle (s
->display
, s
->window
, s
->gc
, s
->x
,
1531 s
->y
+ box_line_width
,
1532 s
->background_width
,
1533 s
->height
- 2 * box_line_width
);
1534 XSetFillStyle (s
->display
, s
->gc
, FillSolid
);
1535 s
->background_filled_p
= 1;
1539 if (FONT_HEIGHT (s
->font
) < s
->height
- 2 * box_line_width
1540 || s
->font_not_found_p
1541 || s
->extends_to_end_of_line_p
1545 x_clear_glyph_string_rect (s
, s
->x
, s
->y
+ box_line_width
,
1546 s
->background_width
,
1547 s
->height
- 2 * box_line_width
);
1548 s
->background_filled_p
= 1;
1554 /* Draw the foreground of glyph string S. */
1557 x_draw_glyph_string_foreground (s
)
1558 struct glyph_string
*s
;
1563 /* If first glyph of S has a left box line, start drawing the text
1564 of S to the right of that box line. */
1565 if (s
->face
->box
!= FACE_NO_BOX
1566 && s
->first_glyph
->left_box_line_p
)
1567 x
= s
->x
+ abs (s
->face
->box_line_width
);
1571 if (s
->for_overlaps
|| (s
->background_filled_p
&& s
->hl
!= DRAW_CURSOR
))
1572 SetBkMode (s
->hdc
, TRANSPARENT
);
1574 SetBkMode (s
->hdc
, OPAQUE
);
1576 SetTextColor (s
->hdc
, s
->gc
->foreground
);
1577 SetBkColor (s
->hdc
, s
->gc
->background
);
1578 SetTextAlign (s
->hdc
, TA_BASELINE
| TA_LEFT
);
1580 if (s
->font
&& s
->font
->hfont
)
1581 old_font
= SelectObject (s
->hdc
, s
->font
->hfont
);
1583 /* Draw characters of S as rectangles if S's font could not be
1585 if (s
->font_not_found_p
)
1587 for (i
= 0; i
< s
->nchars
; ++i
)
1589 struct glyph
*g
= s
->first_glyph
+ i
;
1591 w32_draw_rectangle (s
->hdc
, s
->gc
, x
, s
->y
, g
->pixel_width
- 1,
1593 x
+= g
->pixel_width
;
1598 char *char1b
= (char *) s
->char2b
;
1599 int boff
= s
->font_info
->baseline_offset
;
1601 if (s
->font_info
->vertical_centering
)
1602 boff
= VCENTER_BASELINE_OFFSET (s
->font
, s
->f
) - boff
;
1604 /* If we can use 8-bit functions, condense S->char2b. */
1606 for (i
= 0; i
< s
->nchars
; ++i
)
1607 char1b
[i
] = XCHAR2B_BYTE2 (&s
->char2b
[i
]);
1609 /* Draw text with TextOut and friends. */
1610 w32_text_out (s
, x
, s
->ybase
- boff
, s
->char2b
, s
->nchars
);
1612 if (s
->face
->overstrike
)
1614 /* For overstriking (to simulate bold-face), draw the
1615 characters again shifted to the right by one pixel. */
1616 w32_text_out (s
, x
+ 1, s
->ybase
- boff
, s
->char2b
, s
->nchars
);
1619 if (s
->font
&& s
->font
->hfont
)
1620 SelectObject (s
->hdc
, old_font
);
1623 /* Draw the foreground of composite glyph string S. */
1626 x_draw_composite_glyph_string_foreground (s
)
1627 struct glyph_string
*s
;
1632 /* If first glyph of S has a left box line, start drawing the text
1633 of S to the right of that box line. */
1634 if (s
->face
->box
!= FACE_NO_BOX
1635 && s
->first_glyph
->left_box_line_p
)
1636 x
= s
->x
+ abs (s
->face
->box_line_width
);
1640 /* S is a glyph string for a composition. S->gidx is the index of
1641 the first character drawn for glyphs of this composition.
1642 S->gidx == 0 means we are drawing the very first character of
1643 this composition. */
1645 SetTextColor (s
->hdc
, s
->gc
->foreground
);
1646 SetBkColor (s
->hdc
, s
->gc
->background
);
1647 SetBkMode (s
->hdc
, TRANSPARENT
);
1648 SetTextAlign (s
->hdc
, TA_BASELINE
| TA_LEFT
);
1650 if (s
->font
&& s
->font
->hfont
)
1651 old_font
= SelectObject (s
->hdc
, s
->font
->hfont
);
1653 /* Draw a rectangle for the composition if the font for the very
1654 first character of the composition could not be loaded. */
1655 if (s
->font_not_found_p
)
1658 w32_draw_rectangle (s
->hdc
, s
->gc
, x
, s
->y
, s
->width
- 1,
1663 for (i
= 0; i
< s
->nchars
; i
++, ++s
->gidx
)
1665 w32_text_out (s
, x
+ s
->cmp
->offsets
[s
->gidx
* 2],
1666 s
->ybase
- s
->cmp
->offsets
[s
->gidx
* 2 + 1],
1668 if (s
->face
->overstrike
)
1669 w32_text_out (s
, x
+ s
->cmp
->offsets
[s
->gidx
* 2] + 1,
1670 s
->ybase
- s
->cmp
->offsets
[s
->gidx
* 2 + 1],
1675 if (s
->font
&& s
->font
->hfont
)
1676 SelectObject (s
->hdc
, old_font
);
1680 /* Brightness beyond which a color won't have its highlight brightness
1683 Nominally, highlight colors for `3d' faces are calculated by
1684 brightening an object's color by a constant scale factor, but this
1685 doesn't yield good results for dark colors, so for colors who's
1686 brightness is less than this value (on a scale of 0-255) have to
1687 use an additional additive factor.
1689 The value here is set so that the default menu-bar/mode-line color
1690 (grey75) will not have its highlights changed at all. */
1691 #define HIGHLIGHT_COLOR_DARK_BOOST_LIMIT 187
1694 /* Allocate a color which is lighter or darker than *COLOR by FACTOR
1695 or DELTA. Try a color with RGB values multiplied by FACTOR first.
1696 If this produces the same color as COLOR, try a color where all RGB
1697 values have DELTA added. Return the allocated color in *COLOR.
1698 DISPLAY is the X display, CMAP is the colormap to operate on.
1699 Value is non-zero if successful. */
1702 w32_alloc_lighter_color (f
, color
, factor
, delta
)
1711 /* On Windows, RGB values are 0-255, not 0-65535, so scale delta. */
1714 /* Change RGB values by specified FACTOR. Avoid overflow! */
1715 xassert (factor
>= 0);
1716 new = PALETTERGB (min (0xff, factor
* GetRValue (*color
)),
1717 min (0xff, factor
* GetGValue (*color
)),
1718 min (0xff, factor
* GetBValue (*color
)));
1720 /* Calculate brightness of COLOR. */
1721 bright
= (2 * GetRValue (*color
) + 3 * GetGValue (*color
)
1722 + GetBValue (*color
)) / 6;
1724 /* We only boost colors that are darker than
1725 HIGHLIGHT_COLOR_DARK_BOOST_LIMIT. */
1726 if (bright
< HIGHLIGHT_COLOR_DARK_BOOST_LIMIT
)
1727 /* Make an additive adjustment to NEW, because it's dark enough so
1728 that scaling by FACTOR alone isn't enough. */
1730 /* How far below the limit this color is (0 - 1, 1 being darker). */
1731 double dimness
= 1 - (double)bright
/ HIGHLIGHT_COLOR_DARK_BOOST_LIMIT
;
1732 /* The additive adjustment. */
1733 int min_delta
= delta
* dimness
* factor
/ 2;
1736 new = PALETTERGB (max (0, min (0xff, min_delta
- GetRValue (*color
))),
1737 max (0, min (0xff, min_delta
- GetGValue (*color
))),
1738 max (0, min (0xff, min_delta
- GetBValue (*color
))));
1740 new = PALETTERGB (max (0, min (0xff, min_delta
+ GetRValue (*color
))),
1741 max (0, min (0xff, min_delta
+ GetGValue (*color
))),
1742 max (0, min (0xff, min_delta
+ GetBValue (*color
))));
1746 new = PALETTERGB (max (0, min (0xff, delta
+ GetRValue (*color
))),
1747 max (0, min (0xff, delta
+ GetGValue (*color
))),
1748 max (0, min (0xff, delta
+ GetBValue (*color
))));
1750 /* TODO: Map to palette and retry with delta if same? */
1751 /* TODO: Free colors (if using palette)? */
1762 /* Set up the foreground color for drawing relief lines of glyph
1763 string S. RELIEF is a pointer to a struct relief containing the GC
1764 with which lines will be drawn. Use a color that is FACTOR or
1765 DELTA lighter or darker than the relief's background which is found
1766 in S->f->output_data.x->relief_background. If such a color cannot
1767 be allocated, use DEFAULT_PIXEL, instead. */
1770 w32_setup_relief_color (f
, relief
, factor
, delta
, default_pixel
)
1772 struct relief
*relief
;
1775 COLORREF default_pixel
;
1778 struct w32_output
*di
= f
->output_data
.w32
;
1779 unsigned long mask
= GCForeground
;
1781 COLORREF background
= di
->relief_background
;
1782 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
1784 /* TODO: Free colors (if using palette)? */
1786 /* Allocate new color. */
1787 xgcv
.foreground
= default_pixel
;
1789 if (w32_alloc_lighter_color (f
, &pixel
, factor
, delta
))
1791 relief
->allocated_p
= 1;
1792 xgcv
.foreground
= relief
->pixel
= pixel
;
1795 if (relief
->gc
== 0)
1797 #if 0 /* TODO: stipple */
1798 xgcv
.stipple
= dpyinfo
->gray
;
1801 relief
->gc
= XCreateGC (NULL
, FRAME_W32_WINDOW (f
), mask
, &xgcv
);
1804 XChangeGC (NULL
, relief
->gc
, mask
, &xgcv
);
1808 /* Set up colors for the relief lines around glyph string S. */
1811 x_setup_relief_colors (s
)
1812 struct glyph_string
*s
;
1814 struct w32_output
*di
= s
->f
->output_data
.w32
;
1817 if (s
->face
->use_box_color_for_shadows_p
)
1818 color
= s
->face
->box_color
;
1819 else if (s
->first_glyph
->type
== IMAGE_GLYPH
1821 && !IMAGE_BACKGROUND_TRANSPARENT (s
->img
, s
->f
, 0))
1822 color
= IMAGE_BACKGROUND (s
->img
, s
->f
, 0);
1824 color
= s
->gc
->background
;
1826 if (di
->white_relief
.gc
== 0
1827 || color
!= di
->relief_background
)
1829 di
->relief_background
= color
;
1830 w32_setup_relief_color (s
->f
, &di
->white_relief
, 1.2, 0x8000,
1831 WHITE_PIX_DEFAULT (s
->f
));
1832 w32_setup_relief_color (s
->f
, &di
->black_relief
, 0.6, 0x4000,
1833 BLACK_PIX_DEFAULT (s
->f
));
1838 /* Draw a relief on frame F inside the rectangle given by LEFT_X,
1839 TOP_Y, RIGHT_X, and BOTTOM_Y. WIDTH is the thickness of the relief
1840 to draw, it must be >= 0. RAISED_P non-zero means draw a raised
1841 relief. LEFT_P non-zero means draw a relief on the left side of
1842 the rectangle. RIGHT_P non-zero means draw a relief on the right
1843 side of the rectangle. CLIP_RECT is the clipping rectangle to use
1847 w32_draw_relief_rect (f
, left_x
, top_y
, right_x
, bottom_y
, width
,
1848 raised_p
, top_p
, bot_p
, left_p
, right_p
, clip_rect
)
1850 int left_x
, top_y
, right_x
, bottom_y
, width
;
1851 int top_p
, bot_p
, left_p
, right_p
, raised_p
;
1856 HDC hdc
= get_frame_dc (f
);
1859 gc
.foreground
= f
->output_data
.w32
->white_relief
.gc
->foreground
;
1861 gc
.foreground
= f
->output_data
.w32
->black_relief
.gc
->foreground
;
1863 w32_set_clip_rectangle (hdc
, clip_rect
);
1867 for (i
= 0; i
< width
; ++i
)
1868 w32_fill_area (f
, hdc
, gc
.foreground
,
1869 left_x
+ i
* left_p
, top_y
+ i
,
1870 right_x
- left_x
- i
* (left_p
+ right_p
) + 1, 1);
1874 for (i
= 0; i
< width
; ++i
)
1875 w32_fill_area (f
, hdc
, gc
.foreground
,
1876 left_x
+ i
, top_y
+ i
, 1,
1877 bottom_y
- top_y
- 2 * i
+ 1);
1880 gc
.foreground
= f
->output_data
.w32
->black_relief
.gc
->foreground
;
1882 gc
.foreground
= f
->output_data
.w32
->white_relief
.gc
->foreground
;
1886 for (i
= 0; i
< width
; ++i
)
1887 w32_fill_area (f
, hdc
, gc
.foreground
,
1888 left_x
+ i
* left_p
, bottom_y
- i
,
1889 right_x
- left_x
- i
* (left_p
+ right_p
) + 1, 1);
1893 for (i
= 0; i
< width
; ++i
)
1894 w32_fill_area (f
, hdc
, gc
.foreground
,
1895 right_x
- i
, top_y
+ i
+ 1, 1,
1896 bottom_y
- top_y
- 2 * i
- 1);
1898 w32_set_clip_rectangle (hdc
, NULL
);
1900 release_frame_dc (f
, hdc
);
1904 /* Draw a box on frame F inside the rectangle given by LEFT_X, TOP_Y,
1905 RIGHT_X, and BOTTOM_Y. WIDTH is the thickness of the lines to
1906 draw, it must be >= 0. LEFT_P non-zero means draw a line on the
1907 left side of the rectangle. RIGHT_P non-zero means draw a line
1908 on the right side of the rectangle. CLIP_RECT is the clipping
1909 rectangle to use when drawing. */
1912 w32_draw_box_rect (s
, left_x
, top_y
, right_x
, bottom_y
, width
,
1913 left_p
, right_p
, clip_rect
)
1914 struct glyph_string
*s
;
1915 int left_x
, top_y
, right_x
, bottom_y
, width
, left_p
, right_p
;
1918 w32_set_clip_rectangle (s
->hdc
, clip_rect
);
1921 w32_fill_area (s
->f
, s
->hdc
, s
->face
->box_color
,
1922 left_x
, top_y
, right_x
- left_x
+ 1, width
);
1927 w32_fill_area (s
->f
, s
->hdc
, s
->face
->box_color
,
1928 left_x
, top_y
, width
, bottom_y
- top_y
+ 1);
1932 w32_fill_area (s
->f
, s
->hdc
, s
->face
->box_color
,
1933 left_x
, bottom_y
- width
+ 1, right_x
- left_x
+ 1, width
);
1938 w32_fill_area (s
->f
, s
->hdc
, s
->face
->box_color
,
1939 right_x
- width
+ 1, top_y
, width
, bottom_y
- top_y
+ 1);
1942 w32_set_clip_rectangle (s
->hdc
, NULL
);
1946 /* Draw a box around glyph string S. */
1949 x_draw_glyph_string_box (s
)
1950 struct glyph_string
*s
;
1952 int width
, left_x
, right_x
, top_y
, bottom_y
, last_x
, raised_p
;
1953 int left_p
, right_p
;
1954 struct glyph
*last_glyph
;
1957 last_x
= ((s
->row
->full_width_p
&& !s
->w
->pseudo_window_p
)
1958 ? WINDOW_RIGHT_EDGE_X (s
->w
)
1959 : window_box_right (s
->w
, s
->area
));
1961 /* The glyph that may have a right box line. */
1962 last_glyph
= (s
->cmp
|| s
->img
1964 : s
->first_glyph
+ s
->nchars
- 1);
1966 width
= abs (s
->face
->box_line_width
);
1967 raised_p
= s
->face
->box
== FACE_RAISED_BOX
;
1969 right_x
= ((s
->row
->full_width_p
&& s
->extends_to_end_of_line_p
1971 : min (last_x
, s
->x
+ s
->background_width
) - 1));
1973 bottom_y
= top_y
+ s
->height
- 1;
1975 left_p
= (s
->first_glyph
->left_box_line_p
1976 || (s
->hl
== DRAW_MOUSE_FACE
1978 || s
->prev
->hl
!= s
->hl
)));
1979 right_p
= (last_glyph
->right_box_line_p
1980 || (s
->hl
== DRAW_MOUSE_FACE
1982 || s
->next
->hl
!= s
->hl
)));
1984 get_glyph_string_clip_rect (s
, &clip_rect
);
1986 if (s
->face
->box
== FACE_SIMPLE_BOX
)
1987 w32_draw_box_rect (s
, left_x
, top_y
, right_x
, bottom_y
, width
,
1988 left_p
, right_p
, &clip_rect
);
1991 x_setup_relief_colors (s
);
1992 w32_draw_relief_rect (s
->f
, left_x
, top_y
, right_x
, bottom_y
,
1993 width
, raised_p
, 1, 1, left_p
, right_p
, &clip_rect
);
1998 /* Draw foreground of image glyph string S. */
2001 x_draw_image_foreground (s
)
2002 struct glyph_string
*s
;
2005 int y
= s
->ybase
- image_ascent (s
->img
, s
->face
, &s
->slice
);
2007 /* If first glyph of S has a left box line, start drawing it to the
2008 right of that line. */
2009 if (s
->face
->box
!= FACE_NO_BOX
2010 && s
->first_glyph
->left_box_line_p
2012 x
+= abs (s
->face
->box_line_width
);
2014 /* If there is a margin around the image, adjust x- and y-position
2016 if (s
->slice
.x
== 0)
2017 x
+= s
->img
->hmargin
;
2018 if (s
->slice
.y
== 0)
2019 y
+= s
->img
->vmargin
;
2025 HDC compat_hdc
= CreateCompatibleDC (s
->hdc
);
2026 HBRUSH fg_brush
= CreateSolidBrush (s
->gc
->foreground
);
2027 HBRUSH orig_brush
= SelectObject (s
->hdc
, fg_brush
);
2028 HGDIOBJ orig_obj
= SelectObject (compat_hdc
, s
->img
->pixmap
);
2029 SetBkColor (compat_hdc
, RGB (255, 255, 255));
2030 SetTextColor (s
->hdc
, RGB (0, 0, 0));
2031 x_set_glyph_string_clipping (s
);
2035 HDC mask_dc
= CreateCompatibleDC (s
->hdc
);
2036 HGDIOBJ mask_orig_obj
= SelectObject (mask_dc
, s
->img
->mask
);
2038 SetTextColor (s
->hdc
, RGB (255, 255, 255));
2039 SetBkColor (s
->hdc
, RGB (0, 0, 0));
2041 BitBlt (s
->hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
2042 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCINVERT
);
2043 BitBlt (s
->hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
2044 mask_dc
, s
->slice
.x
, s
->slice
.y
, SRCAND
);
2045 BitBlt (s
->hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
2046 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCINVERT
);
2048 SelectObject (mask_dc
, mask_orig_obj
);
2053 SetTextColor (s
->hdc
, s
->gc
->foreground
);
2054 SetBkColor (s
->hdc
, s
->gc
->background
);
2056 BitBlt (s
->hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
2057 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCCOPY
);
2059 /* When the image has a mask, we can expect that at
2060 least part of a mouse highlight or a block cursor will
2061 be visible. If the image doesn't have a mask, make
2062 a block cursor visible by drawing a rectangle around
2063 the image. I believe it's looking better if we do
2064 nothing here for mouse-face. */
2065 if (s
->hl
== DRAW_CURSOR
)
2067 int r
= s
->img
->relief
;
2069 w32_draw_rectangle (s
->hdc
, s
->gc
, x
- r
, y
- r
,
2070 s
->slice
.width
+ r
*2 - 1,
2071 s
->slice
.height
+ r
*2 - 1);
2075 w32_set_clip_rectangle (s
->hdc
, NULL
);
2076 SelectObject (s
->hdc
, orig_brush
);
2077 DeleteObject (fg_brush
);
2078 SelectObject (compat_hdc
, orig_obj
);
2079 DeleteDC (compat_hdc
);
2082 w32_draw_rectangle (s
->hdc
, s
->gc
, x
, y
,
2083 s
->slice
.width
- 1, s
->slice
.height
- 1);
2085 RestoreDC (s
->hdc
,-1);
2089 /* Draw a relief around the image glyph string S. */
2092 x_draw_image_relief (s
)
2093 struct glyph_string
*s
;
2095 int x0
, y0
, x1
, y1
, thick
, raised_p
;
2098 int y
= s
->ybase
- image_ascent (s
->img
, s
->face
, &s
->slice
);
2100 /* If first glyph of S has a left box line, start drawing it to the
2101 right of that line. */
2102 if (s
->face
->box
!= FACE_NO_BOX
2103 && s
->first_glyph
->left_box_line_p
2105 x
+= abs (s
->face
->box_line_width
);
2107 /* If there is a margin around the image, adjust x- and y-position
2109 if (s
->slice
.x
== 0)
2110 x
+= s
->img
->hmargin
;
2111 if (s
->slice
.y
== 0)
2112 y
+= s
->img
->vmargin
;
2114 if (s
->hl
== DRAW_IMAGE_SUNKEN
2115 || s
->hl
== DRAW_IMAGE_RAISED
)
2117 thick
= tool_bar_button_relief
>= 0 ? tool_bar_button_relief
: DEFAULT_TOOL_BAR_BUTTON_RELIEF
;
2118 raised_p
= s
->hl
== DRAW_IMAGE_RAISED
;
2122 thick
= abs (s
->img
->relief
);
2123 raised_p
= s
->img
->relief
> 0;
2128 x1
= x
+ s
->slice
.width
+ thick
- 1;
2129 y1
= y
+ s
->slice
.height
+ thick
- 1;
2131 x_setup_relief_colors (s
);
2132 get_glyph_string_clip_rect (s
, &r
);
2133 w32_draw_relief_rect (s
->f
, x0
, y0
, x1
, y1
, thick
, raised_p
,
2135 s
->slice
.y
+ s
->slice
.height
== s
->img
->height
,
2137 s
->slice
.x
+ s
->slice
.width
== s
->img
->width
,
2142 /* Draw the foreground of image glyph string S to PIXMAP. */
2145 w32_draw_image_foreground_1 (s
, pixmap
)
2146 struct glyph_string
*s
;
2149 HDC hdc
= CreateCompatibleDC (s
->hdc
);
2150 HGDIOBJ orig_hdc_obj
= SelectObject (hdc
, pixmap
);
2152 int y
= s
->ybase
- s
->y
- image_ascent (s
->img
, s
->face
, &s
->slice
);
2154 /* If first glyph of S has a left box line, start drawing it to the
2155 right of that line. */
2156 if (s
->face
->box
!= FACE_NO_BOX
2157 && s
->first_glyph
->left_box_line_p
2159 x
+= abs (s
->face
->box_line_width
);
2161 /* If there is a margin around the image, adjust x- and y-position
2163 if (s
->slice
.x
== 0)
2164 x
+= s
->img
->hmargin
;
2165 if (s
->slice
.y
== 0)
2166 y
+= s
->img
->vmargin
;
2170 HDC compat_hdc
= CreateCompatibleDC (hdc
);
2171 HBRUSH fg_brush
= CreateSolidBrush (s
->gc
->foreground
);
2172 HBRUSH orig_brush
= SelectObject (hdc
, fg_brush
);
2173 HGDIOBJ orig_obj
= SelectObject (compat_hdc
, s
->img
->pixmap
);
2177 HDC mask_dc
= CreateCompatibleDC (hdc
);
2178 HGDIOBJ mask_orig_obj
= SelectObject (mask_dc
, s
->img
->mask
);
2180 SetTextColor (hdc
, RGB (0, 0, 0));
2181 SetBkColor (hdc
, RGB (255, 255, 255));
2182 BitBlt (hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
2183 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCINVERT
);
2184 BitBlt (hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
2185 mask_dc
, s
->slice
.x
, s
->slice
.y
, SRCAND
);
2186 BitBlt (hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
2187 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCINVERT
);
2189 SelectObject (mask_dc
, mask_orig_obj
);
2194 SetTextColor (hdc
, s
->gc
->foreground
);
2195 SetBkColor (hdc
, s
->gc
->background
);
2197 BitBlt (hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
2198 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCCOPY
);
2200 /* When the image has a mask, we can expect that at
2201 least part of a mouse highlight or a block cursor will
2202 be visible. If the image doesn't have a mask, make
2203 a block cursor visible by drawing a rectangle around
2204 the image. I believe it's looking better if we do
2205 nothing here for mouse-face. */
2206 if (s
->hl
== DRAW_CURSOR
)
2208 int r
= s
->img
->relief
;
2210 w32_draw_rectangle (hdc
, s
->gc
, x
- r
, y
- r
,
2211 s
->slice
.width
+ r
*2 - 1,
2212 s
->slice
.height
+ r
*2 - 1);
2216 SelectObject (hdc
, orig_brush
);
2217 DeleteObject (fg_brush
);
2218 SelectObject (compat_hdc
, orig_obj
);
2219 DeleteDC (compat_hdc
);
2222 w32_draw_rectangle (hdc
, s
->gc
, x
, y
,
2223 s
->slice
.width
- 1, s
->slice
.height
- 1);
2225 SelectObject (hdc
, orig_hdc_obj
);
2230 /* Draw part of the background of glyph string S. X, Y, W, and H
2231 give the rectangle to draw. */
2234 x_draw_glyph_string_bg_rect (s
, x
, y
, w
, h
)
2235 struct glyph_string
*s
;
2238 #if 0 /* TODO: stipple */
2241 /* Fill background with a stipple pattern. */
2242 XSetFillStyle (s
->display
, s
->gc
, FillOpaqueStippled
);
2243 XFillRectangle (s
->display
, s
->window
, s
->gc
, x
, y
, w
, h
);
2244 XSetFillStyle (s
->display
, s
->gc
, FillSolid
);
2248 x_clear_glyph_string_rect (s
, x
, y
, w
, h
);
2252 /* Draw image glyph string S.
2255 s->x +-------------------------
2258 | +-------------------------
2261 | | +-------------------
2267 x_draw_image_glyph_string (s
)
2268 struct glyph_string
*s
;
2271 int box_line_hwidth
= abs (s
->face
->box_line_width
);
2272 int box_line_vwidth
= max (s
->face
->box_line_width
, 0);
2276 height
= s
->height
- 2 * box_line_vwidth
;
2278 /* Fill background with face under the image. Do it only if row is
2279 taller than image or if image has a clip mask to reduce
2281 s
->stippled_p
= s
->face
->stipple
!= 0;
2282 if (height
> s
->slice
.height
2286 || s
->img
->pixmap
== 0
2287 || s
->width
!= s
->background_width
)
2290 if (s
->first_glyph
->left_box_line_p
2292 x
+= box_line_hwidth
;
2295 if (s
->slice
.y
== 0)
2296 y
+= box_line_vwidth
;
2298 #if 0 /* TODO: figure out if we need to do this on Windows. */
2301 /* Create a pixmap as large as the glyph string. Fill it
2302 with the background color. Copy the image to it, using
2303 its mask. Copy the temporary pixmap to the display. */
2304 Screen
*screen
= FRAME_X_SCREEN (s
->f
);
2305 int depth
= DefaultDepthOfScreen (screen
);
2307 /* Create a pixmap as large as the glyph string. */
2308 pixmap
= XCreatePixmap (s
->display
, s
->window
,
2309 s
->background_width
,
2312 /* Don't clip in the following because we're working on the
2314 XSetClipMask (s
->display
, s
->gc
, None
);
2316 /* Fill the pixmap with the background color/stipple. */
2319 /* Fill background with a stipple pattern. */
2320 XSetFillStyle (s
->display
, s
->gc
, FillOpaqueStippled
);
2321 XFillRectangle (s
->display
, pixmap
, s
->gc
,
2322 0, 0, s
->background_width
, s
->height
);
2323 XSetFillStyle (s
->display
, s
->gc
, FillSolid
);
2328 XGetGCValues (s
->display
, s
->gc
, GCForeground
| GCBackground
,
2330 XSetForeground (s
->display
, s
->gc
, xgcv
.background
);
2331 XFillRectangle (s
->display
, pixmap
, s
->gc
,
2332 0, 0, s
->background_width
, s
->height
);
2333 XSetForeground (s
->display
, s
->gc
, xgcv
.foreground
);
2338 x_draw_glyph_string_bg_rect (s
, x
, y
, s
->background_width
, height
);
2340 s
->background_filled_p
= 1;
2343 /* Draw the foreground. */
2346 w32_draw_image_foreground_1 (s
, pixmap
);
2347 x_set_glyph_string_clipping (s
);
2349 HDC compat_hdc
= CreateCompatibleDC (s
->hdc
);
2350 HBRUSH fg_brush
= CreateSolidBrush (s
->gc
->foreground
);
2351 HBRUSH orig_brush
= SelectObject (s
->hdc
, fg_brush
);
2352 HGDIOBJ orig_obj
= SelectObject (compat_hdc
, pixmap
);
2354 SetTextColor (s
->hdc
, s
->gc
->foreground
);
2355 SetBkColor (s
->hdc
, s
->gc
->background
);
2356 BitBlt (s
->hdc
, s
->x
, s
->y
, s
->background_width
, s
->height
,
2357 compat_hdc
, 0, 0, SRCCOPY
);
2359 SelectObject (s
->hdc
, orig_brush
);
2360 DeleteObject (fg_brush
);
2361 SelectObject (compat_hdc
, orig_obj
);
2362 DeleteDC (compat_hdc
);
2364 DeleteObject (pixmap
);
2368 x_draw_image_foreground (s
);
2370 /* If we must draw a relief around the image, do it. */
2372 || s
->hl
== DRAW_IMAGE_RAISED
2373 || s
->hl
== DRAW_IMAGE_SUNKEN
)
2374 x_draw_image_relief (s
);
2378 /* Draw stretch glyph string S. */
2381 x_draw_stretch_glyph_string (s
)
2382 struct glyph_string
*s
;
2384 xassert (s
->first_glyph
->type
== STRETCH_GLYPH
);
2385 s
->stippled_p
= s
->face
->stipple
!= 0;
2387 if (s
->hl
== DRAW_CURSOR
2388 && !x_stretch_cursor_p
)
2390 /* If `x-stretch-block-cursor' is nil, don't draw a block cursor
2391 as wide as the stretch glyph. */
2392 int width
= min (FRAME_COLUMN_WIDTH (s
->f
), s
->background_width
);
2395 x_draw_glyph_string_bg_rect (s
, s
->x
, s
->y
, width
, s
->height
);
2397 /* Clear rest using the GC of the original non-cursor face. */
2398 if (width
< s
->background_width
)
2400 XGCValues
*gc
= s
->face
->gc
;
2401 int x
= s
->x
+ width
, y
= s
->y
;
2402 int w
= s
->background_width
- width
, h
= s
->height
;
2406 if (s
->row
->mouse_face_p
2407 && cursor_in_mouse_face_p (s
->w
))
2409 x_set_mouse_face_gc (s
);
2415 get_glyph_string_clip_rect (s
, &r
);
2416 w32_set_clip_rectangle (hdc
, &r
);
2418 #if 0 /* TODO: stipple */
2419 if (s
->face
->stipple
)
2421 /* Fill background with a stipple pattern. */
2422 XSetFillStyle (s
->display
, gc
, FillOpaqueStippled
);
2423 XFillRectangle (s
->display
, s
->window
, gc
, x
, y
, w
, h
);
2424 XSetFillStyle (s
->display
, gc
, FillSolid
);
2429 w32_fill_area (s
->f
, s
->hdc
, gc
->background
, x
, y
, w
, h
);
2433 else if (!s
->background_filled_p
)
2434 x_draw_glyph_string_bg_rect (s
, s
->x
, s
->y
, s
->background_width
,
2437 s
->background_filled_p
= 1;
2441 /* Draw glyph string S. */
2444 x_draw_glyph_string (s
)
2445 struct glyph_string
*s
;
2447 int relief_drawn_p
= 0;
2449 /* If S draws into the background of its successor, draw the
2450 background of the successor first so that S can draw into it.
2451 This makes S->next use XDrawString instead of XDrawImageString. */
2452 if (s
->next
&& s
->right_overhang
&& !s
->for_overlaps
)
2454 xassert (s
->next
->img
== NULL
);
2455 x_set_glyph_string_gc (s
->next
);
2456 x_set_glyph_string_clipping (s
->next
);
2457 x_draw_glyph_string_background (s
->next
, 1);
2460 /* Set up S->gc, set clipping and draw S. */
2461 x_set_glyph_string_gc (s
);
2463 /* Draw relief (if any) in advance for char/composition so that the
2464 glyph string can be drawn over it. */
2465 if (!s
->for_overlaps
2466 && s
->face
->box
!= FACE_NO_BOX
2467 && (s
->first_glyph
->type
== CHAR_GLYPH
2468 || s
->first_glyph
->type
== COMPOSITE_GLYPH
))
2471 x_set_glyph_string_clipping (s
);
2472 x_draw_glyph_string_background (s
, 1);
2473 x_draw_glyph_string_box (s
);
2474 x_set_glyph_string_clipping (s
);
2478 x_set_glyph_string_clipping (s
);
2480 switch (s
->first_glyph
->type
)
2483 x_draw_image_glyph_string (s
);
2487 x_draw_stretch_glyph_string (s
);
2491 if (s
->for_overlaps
)
2492 s
->background_filled_p
= 1;
2494 x_draw_glyph_string_background (s
, 0);
2495 x_draw_glyph_string_foreground (s
);
2498 case COMPOSITE_GLYPH
:
2499 if (s
->for_overlaps
|| s
->gidx
> 0)
2500 s
->background_filled_p
= 1;
2502 x_draw_glyph_string_background (s
, 1);
2503 x_draw_composite_glyph_string_foreground (s
);
2510 if (!s
->for_overlaps
)
2512 /* Draw underline. */
2513 if (s
->face
->underline_p
2514 && (s
->font
->bdf
|| !s
->font
->tm
.tmUnderlined
))
2516 unsigned long h
= 1;
2517 unsigned long dy
= s
->height
- h
;
2519 /* TODO: Use font information for positioning and thickness
2520 of underline. See OUTLINETEXTMETRIC, and xterm.c.
2521 Note: If you make this work, don't forget to change the
2522 doc string of x-use-underline-position-properties below. */
2523 if (s
->face
->underline_defaulted_p
)
2525 w32_fill_area (s
->f
, s
->hdc
, s
->gc
->foreground
, s
->x
,
2526 s
->y
+ dy
, s
->width
, 1);
2530 w32_fill_area (s
->f
, s
->hdc
, s
->face
->underline_color
, s
->x
,
2531 s
->y
+ dy
, s
->width
, 1);
2535 /* Draw overline. */
2536 if (s
->face
->overline_p
)
2538 unsigned long dy
= 0, h
= 1;
2540 if (s
->face
->overline_color_defaulted_p
)
2542 w32_fill_area (s
->f
, s
->hdc
, s
->gc
->foreground
, s
->x
,
2543 s
->y
+ dy
, s
->width
, h
);
2547 w32_fill_area (s
->f
, s
->hdc
, s
->face
->overline_color
, s
->x
,
2548 s
->y
+ dy
, s
->width
, h
);
2552 /* Draw strike-through. */
2553 if (s
->face
->strike_through_p
2554 && (s
->font
->bdf
|| !s
->font
->tm
.tmStruckOut
))
2556 unsigned long h
= 1;
2557 unsigned long dy
= (s
->height
- h
) / 2;
2559 if (s
->face
->strike_through_color_defaulted_p
)
2561 w32_fill_area (s
->f
, s
->hdc
, s
->gc
->foreground
, s
->x
, s
->y
+ dy
,
2566 w32_fill_area (s
->f
, s
->hdc
, s
->face
->underline_color
, s
->x
,
2567 s
->y
+ dy
, s
->width
, h
);
2572 if (!relief_drawn_p
&& s
->face
->box
!= FACE_NO_BOX
)
2573 x_draw_glyph_string_box (s
);
2576 /* Reset clipping. */
2577 w32_set_clip_rectangle (s
->hdc
, NULL
);
2581 /* Shift display to make room for inserted glyphs. */
2584 w32_shift_glyphs_for_insert (f
, x
, y
, width
, height
, shift_by
)
2586 int x
, y
, width
, height
, shift_by
;
2590 hdc
= get_frame_dc (f
);
2591 BitBlt (hdc
, x
+ shift_by
, y
, width
, height
,
2592 hdc
, x
, y
, SRCCOPY
);
2594 release_frame_dc (f
, hdc
);
2598 /* Delete N glyphs at the nominal cursor position. Not implemented
2610 f
= SELECTED_FRAME ();
2612 if (! FRAME_W32_P (f
))
2619 /* Clear entire frame. If updating_frame is non-null, clear that
2620 frame. Otherwise clear the selected frame. */
2630 f
= SELECTED_FRAME ();
2632 if (! FRAME_W32_P (f
))
2635 /* Clearing the frame will erase any cursor, so mark them all as no
2637 mark_window_cursors_off (XWINDOW (FRAME_ROOT_WINDOW (f
)));
2638 output_cursor
.hpos
= output_cursor
.vpos
= 0;
2639 output_cursor
.x
= -1;
2641 /* We don't set the output cursor here because there will always
2642 follow an explicit cursor_to. */
2645 w32_clear_window (f
);
2647 /* We have to clear the scroll bars, too. If we have changed
2648 colors or something like that, then they should be notified. */
2649 x_scroll_bar_clear (f
);
2655 /* Make audible bell. */
2658 w32_ring_bell (void)
2662 f
= SELECTED_FRAME ();
2666 if (FRAME_W32_P (f
) && visible_bell
)
2669 HWND hwnd
= FRAME_W32_WINDOW (SELECTED_FRAME ());
2671 for (i
= 0; i
< 5; i
++)
2673 FlashWindow (hwnd
, TRUE
);
2676 FlashWindow (hwnd
, FALSE
);
2679 w32_sys_ring_bell ();
2685 /* Specify how many text lines, from the top of the window,
2686 should be affected by insert-lines and delete-lines operations.
2687 This, and those operations, are used only within an update
2688 that is bounded by calls to x_update_begin and x_update_end. */
2691 w32_set_terminal_window (n
)
2694 /* This function intentionally left blank. */
2698 /***********************************************************************
2700 ***********************************************************************/
2702 /* Perform an insert-lines or delete-lines operation, inserting N
2703 lines or deleting -N lines at vertical position VPOS. */
2706 x_ins_del_lines (vpos
, n
)
2714 f
= SELECTED_FRAME ();
2716 if (! FRAME_W32_P (f
))
2723 /* Scroll part of the display as described by RUN. */
2726 x_scroll_run (w
, run
)
2730 struct frame
*f
= XFRAME (w
->frame
);
2731 int x
, y
, width
, height
, from_y
, to_y
, bottom_y
;
2732 HWND hwnd
= FRAME_W32_WINDOW (f
);
2735 /* Get frame-relative bounding box of the text display area of W,
2736 without mode lines. Include in this box the left and right
2738 window_box (w
, -1, &x
, &y
, &width
, &height
);
2740 from_y
= WINDOW_TO_FRAME_PIXEL_Y (w
, run
->current_y
);
2741 to_y
= WINDOW_TO_FRAME_PIXEL_Y (w
, run
->desired_y
);
2742 bottom_y
= y
+ height
;
2746 /* Scrolling up. Make sure we don't copy part of the mode
2747 line at the bottom. */
2748 if (from_y
+ run
->height
> bottom_y
)
2749 height
= bottom_y
- from_y
;
2751 height
= run
->height
;
2752 expect_dirty
= CreateRectRgn (x
, y
+ height
, x
+ width
, bottom_y
);
2756 /* Scolling down. Make sure we don't copy over the mode line.
2758 if (to_y
+ run
->height
> bottom_y
)
2759 height
= bottom_y
- to_y
;
2761 height
= run
->height
;
2762 expect_dirty
= CreateRectRgn (x
, y
, x
+ width
, to_y
);
2767 /* Cursor off. Will be switched on again in x_update_window_end. */
2774 HRGN dirty
= CreateRectRgn (0, 0, 0, 0);
2775 HRGN combined
= CreateRectRgn (0, 0, 0, 0);
2777 from
.left
= to
.left
= x
;
2778 from
.right
= to
.right
= x
+ width
;
2780 from
.bottom
= from_y
+ height
;
2782 to
.bottom
= bottom_y
;
2784 ScrollWindowEx (hwnd
, 0, to_y
- from_y
, &from
, &to
, dirty
,
2785 NULL
, SW_INVALIDATE
);
2787 /* Combine this with what we expect to be dirty. This covers the
2788 case where not all of the region we expect is actually dirty. */
2789 CombineRgn (combined
, dirty
, expect_dirty
, RGN_OR
);
2791 /* If the dirty region is not what we expected, redraw the entire frame. */
2792 if (!EqualRgn (combined
, expect_dirty
))
2793 SET_FRAME_GARBAGED (f
);
2795 DeleteObject (dirty
);
2796 DeleteObject (combined
);
2800 DeleteObject (expect_dirty
);
2805 /***********************************************************************
2807 ***********************************************************************/
2813 x_update_cursor (f
, 1);
2817 frame_unhighlight (f
)
2820 x_update_cursor (f
, 1);
2823 /* The focus has changed. Update the frames as necessary to reflect
2824 the new situation. Note that we can't change the selected frame
2825 here, because the Lisp code we are interrupting might become confused.
2826 Each event gets marked with the frame in which it occurred, so the
2827 Lisp code can tell when the switch took place by examining the events. */
2830 x_new_focus_frame (dpyinfo
, frame
)
2831 struct w32_display_info
*dpyinfo
;
2832 struct frame
*frame
;
2834 struct frame
*old_focus
= dpyinfo
->w32_focus_frame
;
2836 if (frame
!= dpyinfo
->w32_focus_frame
)
2838 /* Set this before calling other routines, so that they see
2839 the correct value of w32_focus_frame. */
2840 dpyinfo
->w32_focus_frame
= frame
;
2842 if (old_focus
&& old_focus
->auto_lower
)
2843 x_lower_frame (old_focus
);
2845 if (dpyinfo
->w32_focus_frame
&& dpyinfo
->w32_focus_frame
->auto_raise
)
2846 pending_autoraise_frame
= dpyinfo
->w32_focus_frame
;
2848 pending_autoraise_frame
= 0;
2851 x_frame_rehighlight (dpyinfo
);
2855 /* Handle FocusIn and FocusOut state changes for FRAME.
2856 If FRAME has focus and there exists more than one frame, puts
2857 a FOCUS_IN_EVENT into *BUFP. */
2860 x_focus_changed (type
, state
, dpyinfo
, frame
, bufp
)
2863 struct w32_display_info
*dpyinfo
;
2864 struct frame
*frame
;
2865 struct input_event
*bufp
;
2867 if (type
== WM_SETFOCUS
)
2869 if (dpyinfo
->w32_focus_event_frame
!= frame
)
2871 x_new_focus_frame (dpyinfo
, frame
);
2872 dpyinfo
->w32_focus_event_frame
= frame
;
2874 /* Don't stop displaying the initial startup message
2875 for a switch-frame event we don't need. */
2876 if (GC_NILP (Vterminal_frame
)
2877 && GC_CONSP (Vframe_list
)
2878 && !GC_NILP (XCDR (Vframe_list
)))
2880 bufp
->kind
= FOCUS_IN_EVENT
;
2881 XSETFRAME (bufp
->frame_or_window
, frame
);
2885 frame
->output_data
.x
->focus_state
|= state
;
2887 /* TODO: IME focus? */
2889 else if (type
== WM_KILLFOCUS
)
2891 frame
->output_data
.x
->focus_state
&= ~state
;
2893 if (dpyinfo
->w32_focus_event_frame
== frame
)
2895 dpyinfo
->w32_focus_event_frame
= 0;
2896 x_new_focus_frame (dpyinfo
, 0);
2899 /* TODO: IME focus? */
2904 /* The focus may have changed. Figure out if it is a real focus change,
2905 by checking both FocusIn/Out and Enter/LeaveNotify events.
2907 Returns FOCUS_IN_EVENT event in *BUFP. */
2910 w32_detect_focus_change (dpyinfo
, event
, bufp
)
2911 struct w32_display_info
*dpyinfo
;
2913 struct input_event
*bufp
;
2915 struct frame
*frame
;
2917 frame
= x_any_window_to_frame (dpyinfo
, event
->msg
.hwnd
);
2921 /* On w32, this is only called from focus events, so no switch needed. */
2922 x_focus_changed (event
->msg
.message
,
2923 (event
->msg
.message
== WM_KILLFOCUS
?
2924 FOCUS_IMPLICIT
: FOCUS_EXPLICIT
),
2925 dpyinfo
, frame
, bufp
);
2929 /* Handle an event saying the mouse has moved out of an Emacs frame. */
2932 x_mouse_leave (dpyinfo
)
2933 struct w32_display_info
*dpyinfo
;
2935 x_new_focus_frame (dpyinfo
, dpyinfo
->w32_focus_event_frame
);
2938 /* The focus has changed, or we have redirected a frame's focus to
2939 another frame (this happens when a frame uses a surrogate
2940 mini-buffer frame). Shift the highlight as appropriate.
2942 The FRAME argument doesn't necessarily have anything to do with which
2943 frame is being highlighted or un-highlighted; we only use it to find
2944 the appropriate X display info. */
2947 w32_frame_rehighlight (frame
)
2948 struct frame
*frame
;
2950 if (! FRAME_W32_P (frame
))
2952 x_frame_rehighlight (FRAME_W32_DISPLAY_INFO (frame
));
2956 x_frame_rehighlight (dpyinfo
)
2957 struct w32_display_info
*dpyinfo
;
2959 struct frame
*old_highlight
= dpyinfo
->x_highlight_frame
;
2961 if (dpyinfo
->w32_focus_frame
)
2963 dpyinfo
->x_highlight_frame
2964 = ((GC_FRAMEP (FRAME_FOCUS_FRAME (dpyinfo
->w32_focus_frame
)))
2965 ? XFRAME (FRAME_FOCUS_FRAME (dpyinfo
->w32_focus_frame
))
2966 : dpyinfo
->w32_focus_frame
);
2967 if (! FRAME_LIVE_P (dpyinfo
->x_highlight_frame
))
2969 FRAME_FOCUS_FRAME (dpyinfo
->w32_focus_frame
) = Qnil
;
2970 dpyinfo
->x_highlight_frame
= dpyinfo
->w32_focus_frame
;
2974 dpyinfo
->x_highlight_frame
= 0;
2976 if (dpyinfo
->x_highlight_frame
!= old_highlight
)
2979 frame_unhighlight (old_highlight
);
2980 if (dpyinfo
->x_highlight_frame
)
2981 frame_highlight (dpyinfo
->x_highlight_frame
);
2985 /* Keyboard processing - modifier keys, etc. */
2987 /* Convert a keysym to its name. */
2990 x_get_keysym_name (keysym
)
2993 /* Make static so we can always return it */
2994 static char value
[100];
2997 GetKeyNameText (keysym
, value
, 100);
3005 /* Mouse clicks and mouse movement. Rah. */
3007 /* Parse a button MESSAGE. The button index is returned in PBUTTON, and
3008 the state in PUP. XBUTTON provides extra information for extended mouse
3009 button messages. Returns FALSE if unable to parse the message. */
3011 parse_button (message
, xbutton
, pbutton
, pup
)
3022 case WM_LBUTTONDOWN
:
3030 case WM_MBUTTONDOWN
:
3031 if (NILP (Vw32_swap_mouse_buttons
))
3038 if (NILP (Vw32_swap_mouse_buttons
))
3044 case WM_RBUTTONDOWN
:
3045 if (NILP (Vw32_swap_mouse_buttons
))
3052 if (NILP (Vw32_swap_mouse_buttons
))
3058 case WM_XBUTTONDOWN
:
3059 button
= xbutton
+ 2;
3063 button
= xbutton
+ 2;
3071 if (pbutton
) *pbutton
= button
;
3077 /* Prepare a mouse-event in *RESULT for placement in the input queue.
3079 If the event is a button press, then note that we have grabbed
3083 construct_mouse_click (result
, msg
, f
)
3084 struct input_event
*result
;
3091 parse_button (msg
->msg
.message
, HIWORD (msg
->msg
.wParam
),
3094 /* Make the event type NO_EVENT; we'll change that when we decide
3096 result
->kind
= MOUSE_CLICK_EVENT
;
3097 result
->code
= button
;
3098 result
->timestamp
= msg
->msg
.time
;
3099 result
->modifiers
= (msg
->dwModifiers
3104 XSETINT (result
->x
, LOWORD (msg
->msg
.lParam
));
3105 XSETINT (result
->y
, HIWORD (msg
->msg
.lParam
));
3106 XSETFRAME (result
->frame_or_window
, f
);
3112 construct_mouse_wheel (result
, msg
, f
)
3113 struct input_event
*result
;
3120 result
->kind
= WHEEL_EVENT
;
3122 result
->timestamp
= msg
->msg
.time
;
3124 /* A WHEEL_DELTA positive value indicates that the wheel was rotated
3125 forward, away from the user (up); a negative value indicates that
3126 the wheel was rotated backward, toward the user (down). */
3127 delta
= GET_WHEEL_DELTA_WPARAM (msg
->msg
.wParam
);
3129 /* The up and down modifiers indicate if the wheel was rotated up or
3130 down based on WHEEL_DELTA value. */
3131 result
->modifiers
= (msg
->dwModifiers
3132 | ((delta
< 0 ) ? down_modifier
: up_modifier
));
3134 p
.x
= LOWORD (msg
->msg
.lParam
);
3135 p
.y
= HIWORD (msg
->msg
.lParam
);
3136 ScreenToClient (msg
->msg
.hwnd
, &p
);
3137 XSETINT (result
->x
, p
.x
);
3138 XSETINT (result
->y
, p
.y
);
3139 XSETFRAME (result
->frame_or_window
, f
);
3145 construct_drag_n_drop (result
, msg
, f
)
3146 struct input_event
*result
;
3158 result
->kind
= DRAG_N_DROP_EVENT
;
3160 result
->timestamp
= msg
->msg
.time
;
3161 result
->modifiers
= msg
->dwModifiers
;
3163 hdrop
= (HDROP
) msg
->msg
.wParam
;
3164 DragQueryPoint (hdrop
, &p
);
3167 p
.x
= LOWORD (msg
->msg
.lParam
);
3168 p
.y
= HIWORD (msg
->msg
.lParam
);
3169 ScreenToClient (msg
->msg
.hwnd
, &p
);
3172 XSETINT (result
->x
, p
.x
);
3173 XSETINT (result
->y
, p
.y
);
3175 num_files
= DragQueryFile (hdrop
, 0xFFFFFFFF, NULL
, 0);
3178 for (i
= 0; i
< num_files
; i
++)
3180 len
= DragQueryFile (hdrop
, i
, NULL
, 0);
3183 name
= alloca (len
+ 1);
3184 DragQueryFile (hdrop
, i
, name
, len
+ 1);
3185 files
= Fcons (DECODE_FILE (build_string (name
)), files
);
3190 XSETFRAME (frame
, f
);
3191 result
->frame_or_window
= frame
;
3192 result
->arg
= files
;
3197 /* Function to report a mouse movement to the mainstream Emacs code.
3198 The input handler calls this.
3200 We have received a mouse movement event, which is given in *event.
3201 If the mouse is over a different glyph than it was last time, tell
3202 the mainstream emacs code by setting mouse_moved. If not, ask for
3203 another motion event, so we can check again the next time it moves. */
3205 static MSG last_mouse_motion_event
;
3206 static Lisp_Object last_mouse_motion_frame
;
3209 note_mouse_movement (frame
, msg
)
3213 int mouse_x
= LOWORD (msg
->lParam
);
3214 int mouse_y
= HIWORD (msg
->lParam
);
3216 last_mouse_movement_time
= msg
->time
;
3217 memcpy (&last_mouse_motion_event
, msg
, sizeof (last_mouse_motion_event
));
3218 XSETFRAME (last_mouse_motion_frame
, frame
);
3220 if (msg
->hwnd
!= FRAME_W32_WINDOW (frame
))
3222 frame
->mouse_moved
= 1;
3223 last_mouse_scroll_bar
= Qnil
;
3224 note_mouse_highlight (frame
, -1, -1);
3225 last_mouse_glyph_frame
= 0;
3229 /* Has the mouse moved off the glyph it was on at the last sighting? */
3230 if (frame
!= last_mouse_glyph_frame
3231 || mouse_x
< last_mouse_glyph
.left
3232 || mouse_x
>= last_mouse_glyph
.right
3233 || mouse_y
< last_mouse_glyph
.top
3234 || mouse_y
>= last_mouse_glyph
.bottom
)
3236 frame
->mouse_moved
= 1;
3237 last_mouse_scroll_bar
= Qnil
;
3238 note_mouse_highlight (frame
, mouse_x
, mouse_y
);
3239 /* Remember the mouse position here, as w32_mouse_position only
3240 gets called when mouse tracking is enabled but we also need
3241 to keep track of the mouse for help_echo and highlighting at
3243 remember_mouse_glyph (frame
, mouse_x
, mouse_y
, &last_mouse_glyph
);
3244 last_mouse_glyph_frame
= frame
;
3252 /************************************************************************
3254 ************************************************************************/
3256 static struct scroll_bar
*x_window_to_scroll_bar ();
3257 static void x_scroll_bar_report_motion ();
3258 static void x_check_fullscreen
P_ ((struct frame
*));
3261 redo_mouse_highlight ()
3263 if (!NILP (last_mouse_motion_frame
)
3264 && FRAME_LIVE_P (XFRAME (last_mouse_motion_frame
)))
3265 note_mouse_highlight (XFRAME (last_mouse_motion_frame
),
3266 LOWORD (last_mouse_motion_event
.lParam
),
3267 HIWORD (last_mouse_motion_event
.lParam
));
3271 w32_define_cursor (window
, cursor
)
3275 PostMessage (window
, WM_EMACS_SETCURSOR
, (WPARAM
) cursor
, 0);
3277 /* Return the current position of the mouse.
3278 *fp should be a frame which indicates which display to ask about.
3280 If the mouse movement started in a scroll bar, set *fp, *bar_window,
3281 and *part to the frame, window, and scroll bar part that the mouse
3282 is over. Set *x and *y to the portion and whole of the mouse's
3283 position on the scroll bar.
3285 If the mouse movement started elsewhere, set *fp to the frame the
3286 mouse is on, *bar_window to nil, and *x and *y to the character cell
3289 Set *time to the server time-stamp for the time at which the mouse
3290 was at this position.
3292 Don't store anything if we don't have a valid set of values to report.
3294 This clears the mouse_moved flag, so we can wait for the next mouse
3298 w32_mouse_position (fp
, insist
, bar_window
, part
, x
, y
, time
)
3301 Lisp_Object
*bar_window
;
3302 enum scroll_bar_part
*part
;
3304 unsigned long *time
;
3310 if (! NILP (last_mouse_scroll_bar
) && insist
== 0)
3311 x_scroll_bar_report_motion (fp
, bar_window
, part
, x
, y
, time
);
3316 Lisp_Object frame
, tail
;
3318 /* Clear the mouse-moved flag for every frame on this display. */
3319 FOR_EACH_FRAME (tail
, frame
)
3320 XFRAME (frame
)->mouse_moved
= 0;
3322 last_mouse_scroll_bar
= Qnil
;
3326 /* Now we have a position on the root; find the innermost window
3327 containing the pointer. */
3329 if (FRAME_W32_DISPLAY_INFO (*fp
)->grabbed
&& last_mouse_frame
3330 && FRAME_LIVE_P (last_mouse_frame
))
3332 /* If mouse was grabbed on a frame, give coords for that frame
3333 even if the mouse is now outside it. */
3334 f1
= last_mouse_frame
;
3338 /* Is window under mouse one of our frames? */
3339 f1
= x_any_window_to_frame (FRAME_W32_DISPLAY_INFO (*fp
),
3340 WindowFromPoint (pt
));
3343 /* If not, is it one of our scroll bars? */
3346 struct scroll_bar
*bar
3347 = x_window_to_scroll_bar (WindowFromPoint (pt
));
3351 f1
= XFRAME (WINDOW_FRAME (XWINDOW (bar
->window
)));
3355 if (f1
== 0 && insist
> 0)
3356 f1
= SELECTED_FRAME ();
3360 /* Ok, we found a frame. Store all the values.
3361 last_mouse_glyph is a rectangle used to reduce the
3362 generation of mouse events. To not miss any motion
3363 events, we must divide the frame into rectangles of the
3364 size of the smallest character that could be displayed
3365 on it, i.e. into the same rectangles that matrices on
3366 the frame are divided into. */
3368 ScreenToClient (FRAME_W32_WINDOW (f1
), &pt
);
3369 remember_mouse_glyph (f1
, pt
.x
, pt
.y
, &last_mouse_glyph
);
3370 last_mouse_glyph_frame
= f1
;
3377 *time
= last_mouse_movement_time
;
3386 /***********************************************************************
3388 ***********************************************************************/
3390 /* Handle mouse button event on the tool-bar of frame F, at
3391 frame-relative coordinates X/Y. EVENT_TYPE is either ButtionPress
3395 w32_handle_tool_bar_click (f
, button_event
)
3397 struct input_event
*button_event
;
3399 int x
= XFASTINT (button_event
->x
);
3400 int y
= XFASTINT (button_event
->y
);
3402 if (button_event
->modifiers
& down_modifier
)
3403 handle_tool_bar_click (f
, x
, y
, 1, 0);
3405 handle_tool_bar_click (f
, x
, y
, 0,
3406 button_event
->modifiers
& ~up_modifier
);
3411 /***********************************************************************
3413 ***********************************************************************/
3415 /* Scroll bar support. */
3417 /* Given a window ID, find the struct scroll_bar which manages it.
3418 This can be called in GC, so we have to make sure to strip off mark
3421 static struct scroll_bar
*
3422 x_window_to_scroll_bar (window_id
)
3427 for (tail
= Vframe_list
;
3428 XGCTYPE (tail
) == Lisp_Cons
;
3431 Lisp_Object frame
, bar
, condemned
;
3433 frame
= XCAR (tail
);
3434 /* All elements of Vframe_list should be frames. */
3435 if (! GC_FRAMEP (frame
))
3438 /* Scan this frame's scroll bar list for a scroll bar with the
3440 condemned
= FRAME_CONDEMNED_SCROLL_BARS (XFRAME (frame
));
3441 for (bar
= FRAME_SCROLL_BARS (XFRAME (frame
));
3442 /* This trick allows us to search both the ordinary and
3443 condemned scroll bar lists with one loop. */
3444 ! GC_NILP (bar
) || (bar
= condemned
,
3447 bar
= XSCROLL_BAR (bar
)->next
)
3448 if (SCROLL_BAR_W32_WINDOW (XSCROLL_BAR (bar
)) == window_id
)
3449 return XSCROLL_BAR (bar
);
3457 /* Set the thumb size and position of scroll bar BAR. We are currently
3458 displaying PORTION out of a whole WHOLE, and our position POSITION. */
3461 w32_set_scroll_bar_thumb (bar
, portion
, position
, whole
)
3462 struct scroll_bar
*bar
;
3463 int portion
, position
, whole
;
3465 Window w
= SCROLL_BAR_W32_WINDOW (bar
);
3466 double range
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
));
3467 int sb_page
, sb_pos
;
3468 BOOL draggingp
= !NILP (bar
->dragging
) ? TRUE
: FALSE
;
3472 /* Position scroll bar at rock bottom if the bottom of the
3473 buffer is visible. This avoids shinking the thumb away
3474 to nothing if it is held at the bottom of the buffer. */
3475 if (position
+ portion
>= whole
)
3477 sb_page
= range
* (whole
- position
) / whole
3478 + VERTICAL_SCROLL_BAR_MIN_HANDLE
;
3482 sb_page
= portion
* range
/ whole
+ VERTICAL_SCROLL_BAR_MIN_HANDLE
;
3483 sb_pos
= position
* range
/ whole
;
3493 if (pfnSetScrollInfo
)
3497 si
.cbSize
= sizeof (si
);
3498 /* Only update page size if currently dragging, to reduce
3501 si
.fMask
= SIF_PAGE
;
3503 si
.fMask
= SIF_PAGE
| SIF_POS
;
3507 pfnSetScrollInfo (w
, SB_CTL
, &si
, !draggingp
);
3510 SetScrollPos (w
, SB_CTL
, sb_pos
, !draggingp
);
3516 /************************************************************************
3517 Scroll bars, general
3518 ************************************************************************/
3521 my_create_scrollbar (f
, bar
)
3523 struct scroll_bar
* bar
;
3525 return (HWND
) SendMessage (FRAME_W32_WINDOW (f
),
3526 WM_EMACS_CREATESCROLLBAR
, (WPARAM
) f
,
3530 /*#define ATTACH_THREADS*/
3533 my_show_window (FRAME_PTR f
, HWND hwnd
, int how
)
3535 #ifndef ATTACH_THREADS
3536 return SendMessage (FRAME_W32_WINDOW (f
), WM_EMACS_SHOWWINDOW
,
3537 (WPARAM
) hwnd
, (LPARAM
) how
);
3539 return ShowWindow (hwnd
, how
);
3544 my_set_window_pos (HWND hwnd
, HWND hwndAfter
,
3545 int x
, int y
, int cx
, int cy
, UINT flags
)
3547 #ifndef ATTACH_THREADS
3549 pos
.hwndInsertAfter
= hwndAfter
;
3555 SendMessage (hwnd
, WM_EMACS_SETWINDOWPOS
, (WPARAM
) &pos
, 0);
3557 SetWindowPos (hwnd
, hwndAfter
, x
, y
, cx
, cy
, flags
);
3562 my_set_focus (f
, hwnd
)
3566 SendMessage (FRAME_W32_WINDOW (f
), WM_EMACS_SETFOCUS
,
3571 my_set_foreground_window (hwnd
)
3574 SendMessage (hwnd
, WM_EMACS_SETFOREGROUND
, (WPARAM
) hwnd
, 0);
3579 my_destroy_window (f
, hwnd
)
3583 SendMessage (FRAME_W32_WINDOW (f
), WM_EMACS_DESTROYWINDOW
,
3587 /* Create a scroll bar and return the scroll bar vector for it. W is
3588 the Emacs window on which to create the scroll bar. TOP, LEFT,
3589 WIDTH and HEIGHT are.the pixel coordinates and dimensions of the
3592 static struct scroll_bar
*
3593 x_scroll_bar_create (w
, top
, left
, width
, height
)
3595 int top
, left
, width
, height
;
3597 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
3599 struct scroll_bar
*bar
3600 = XSCROLL_BAR (Fmake_vector (make_number (SCROLL_BAR_VEC_SIZE
), Qnil
));
3604 XSETWINDOW (bar
->window
, w
);
3605 XSETINT (bar
->top
, top
);
3606 XSETINT (bar
->left
, left
);
3607 XSETINT (bar
->width
, width
);
3608 XSETINT (bar
->height
, height
);
3609 XSETINT (bar
->start
, 0);
3610 XSETINT (bar
->end
, 0);
3611 bar
->dragging
= Qnil
;
3613 /* Requires geometry to be set before call to create the real window */
3615 hwnd
= my_create_scrollbar (f
, bar
);
3617 if (pfnSetScrollInfo
)
3621 si
.cbSize
= sizeof (si
);
3624 si
.nMax
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, height
)
3625 + VERTICAL_SCROLL_BAR_MIN_HANDLE
;
3629 pfnSetScrollInfo (hwnd
, SB_CTL
, &si
, FALSE
);
3633 SetScrollRange (hwnd
, SB_CTL
, 0,
3634 VERTICAL_SCROLL_BAR_TOP_RANGE (f
, height
), FALSE
);
3635 SetScrollPos (hwnd
, SB_CTL
, 0, FALSE
);
3638 SET_SCROLL_BAR_W32_WINDOW (bar
, hwnd
);
3640 /* Add bar to its frame's list of scroll bars. */
3641 bar
->next
= FRAME_SCROLL_BARS (f
);
3643 XSETVECTOR (FRAME_SCROLL_BARS (f
), bar
);
3644 if (! NILP (bar
->next
))
3645 XSETVECTOR (XSCROLL_BAR (bar
->next
)->prev
, bar
);
3653 /* Destroy scroll bar BAR, and set its Emacs window's scroll bar to
3657 x_scroll_bar_remove (bar
)
3658 struct scroll_bar
*bar
;
3660 FRAME_PTR f
= XFRAME (WINDOW_FRAME (XWINDOW (bar
->window
)));
3664 /* Destroy the window. */
3665 my_destroy_window (f
, SCROLL_BAR_W32_WINDOW (bar
));
3667 /* Disassociate this scroll bar from its window. */
3668 XWINDOW (bar
->window
)->vertical_scroll_bar
= Qnil
;
3673 /* Set the handle of the vertical scroll bar for WINDOW to indicate
3674 that we are displaying PORTION characters out of a total of WHOLE
3675 characters, starting at POSITION. If WINDOW has no scroll bar,
3678 w32_set_vertical_scroll_bar (w
, portion
, whole
, position
)
3680 int portion
, whole
, position
;
3682 struct frame
*f
= XFRAME (w
->frame
);
3683 struct scroll_bar
*bar
;
3684 int top
, height
, left
, sb_left
, width
, sb_width
;
3685 int window_y
, window_height
;
3687 /* Get window dimensions. */
3688 window_box (w
, -1, 0, &window_y
, 0, &window_height
);
3690 width
= WINDOW_CONFIG_SCROLL_BAR_COLS (w
) * FRAME_COLUMN_WIDTH (f
);
3691 height
= window_height
;
3693 /* Compute the left edge of the scroll bar area. */
3694 left
= WINDOW_SCROLL_BAR_AREA_X (w
);
3696 /* Compute the width of the scroll bar which might be less than
3697 the width of the area reserved for the scroll bar. */
3698 if (WINDOW_CONFIG_SCROLL_BAR_WIDTH (w
) > 0)
3699 sb_width
= WINDOW_CONFIG_SCROLL_BAR_WIDTH (w
);
3703 /* Compute the left edge of the scroll bar. */
3704 if (WINDOW_HAS_VERTICAL_SCROLL_BAR_ON_RIGHT (w
))
3705 sb_left
= left
+ width
- sb_width
- (width
- sb_width
) / 2;
3707 sb_left
= left
+ (width
- sb_width
) / 2;
3709 /* Does the scroll bar exist yet? */
3710 if (NILP (w
->vertical_scroll_bar
))
3714 if (width
> 0 && height
> 0)
3716 hdc
= get_frame_dc (f
);
3717 w32_clear_area (f
, hdc
, left
, top
, width
, height
);
3718 release_frame_dc (f
, hdc
);
3722 bar
= x_scroll_bar_create (w
, top
, sb_left
, sb_width
, height
);
3726 /* It may just need to be moved and resized. */
3729 bar
= XSCROLL_BAR (w
->vertical_scroll_bar
);
3730 hwnd
= SCROLL_BAR_W32_WINDOW (bar
);
3732 /* If already correctly positioned, do nothing. */
3733 if ( XINT (bar
->left
) == sb_left
3734 && XINT (bar
->top
) == top
3735 && XINT (bar
->width
) == sb_width
3736 && XINT (bar
->height
) == height
)
3738 /* Redraw after clear_frame. */
3739 if (!my_show_window (f
, hwnd
, SW_NORMAL
))
3740 InvalidateRect (hwnd
, NULL
, FALSE
);
3746 if (width
&& height
)
3748 hdc
= get_frame_dc (f
);
3749 /* Since Windows scroll bars are smaller than the space reserved
3750 for them on the frame, we have to clear "under" them. */
3751 w32_clear_area (f
, hdc
,
3756 release_frame_dc (f
, hdc
);
3758 /* Make sure scroll bar is "visible" before moving, to ensure the
3759 area of the parent window now exposed will be refreshed. */
3760 my_show_window (f
, hwnd
, SW_HIDE
);
3761 MoveWindow (hwnd
, sb_left
+ VERTICAL_SCROLL_BAR_WIDTH_TRIM
,
3762 top
, sb_width
- VERTICAL_SCROLL_BAR_WIDTH_TRIM
* 2,
3763 max (height
, 1), TRUE
);
3764 if (pfnSetScrollInfo
)
3768 si
.cbSize
= sizeof (si
);
3769 si
.fMask
= SIF_RANGE
;
3771 si
.nMax
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, height
)
3772 + VERTICAL_SCROLL_BAR_MIN_HANDLE
;
3774 pfnSetScrollInfo (hwnd
, SB_CTL
, &si
, FALSE
);
3777 SetScrollRange (hwnd
, SB_CTL
, 0,
3778 VERTICAL_SCROLL_BAR_TOP_RANGE (f
, height
), FALSE
);
3779 my_show_window (f
, hwnd
, SW_NORMAL
);
3780 /* InvalidateRect (w, NULL, FALSE); */
3782 /* Remember new settings. */
3783 XSETINT (bar
->left
, sb_left
);
3784 XSETINT (bar
->top
, top
);
3785 XSETINT (bar
->width
, sb_width
);
3786 XSETINT (bar
->height
, height
);
3791 w32_set_scroll_bar_thumb (bar
, portion
, position
, whole
);
3793 XSETVECTOR (w
->vertical_scroll_bar
, bar
);
3797 /* The following three hooks are used when we're doing a thorough
3798 redisplay of the frame. We don't explicitly know which scroll bars
3799 are going to be deleted, because keeping track of when windows go
3800 away is a real pain - "Can you say set-window-configuration, boys
3801 and girls?" Instead, we just assert at the beginning of redisplay
3802 that *all* scroll bars are to be removed, and then save a scroll bar
3803 from the fiery pit when we actually redisplay its window. */
3805 /* Arrange for all scroll bars on FRAME to be removed at the next call
3806 to `*judge_scroll_bars_hook'. A scroll bar may be spared if
3807 `*redeem_scroll_bar_hook' is applied to its window before the judgment. */
3810 w32_condemn_scroll_bars (frame
)
3813 /* Transfer all the scroll bars to FRAME_CONDEMNED_SCROLL_BARS. */
3814 while (! NILP (FRAME_SCROLL_BARS (frame
)))
3817 bar
= FRAME_SCROLL_BARS (frame
);
3818 FRAME_SCROLL_BARS (frame
) = XSCROLL_BAR (bar
)->next
;
3819 XSCROLL_BAR (bar
)->next
= FRAME_CONDEMNED_SCROLL_BARS (frame
);
3820 XSCROLL_BAR (bar
)->prev
= Qnil
;
3821 if (! NILP (FRAME_CONDEMNED_SCROLL_BARS (frame
)))
3822 XSCROLL_BAR (FRAME_CONDEMNED_SCROLL_BARS (frame
))->prev
= bar
;
3823 FRAME_CONDEMNED_SCROLL_BARS (frame
) = bar
;
3828 /* Un-mark WINDOW's scroll bar for deletion in this judgment cycle.
3829 Note that WINDOW isn't necessarily condemned at all. */
3832 w32_redeem_scroll_bar (window
)
3833 struct window
*window
;
3835 struct scroll_bar
*bar
;
3838 /* We can't redeem this window's scroll bar if it doesn't have one. */
3839 if (NILP (window
->vertical_scroll_bar
))
3842 bar
= XSCROLL_BAR (window
->vertical_scroll_bar
);
3844 /* Unlink it from the condemned list. */
3845 f
= XFRAME (WINDOW_FRAME (window
));
3846 if (NILP (bar
->prev
))
3848 /* If the prev pointer is nil, it must be the first in one of
3850 if (EQ (FRAME_SCROLL_BARS (f
), window
->vertical_scroll_bar
))
3851 /* It's not condemned. Everything's fine. */
3853 else if (EQ (FRAME_CONDEMNED_SCROLL_BARS (f
),
3854 window
->vertical_scroll_bar
))
3855 FRAME_CONDEMNED_SCROLL_BARS (f
) = bar
->next
;
3857 /* If its prev pointer is nil, it must be at the front of
3858 one or the other! */
3862 XSCROLL_BAR (bar
->prev
)->next
= bar
->next
;
3864 if (! NILP (bar
->next
))
3865 XSCROLL_BAR (bar
->next
)->prev
= bar
->prev
;
3867 bar
->next
= FRAME_SCROLL_BARS (f
);
3869 XSETVECTOR (FRAME_SCROLL_BARS (f
), bar
);
3870 if (! NILP (bar
->next
))
3871 XSETVECTOR (XSCROLL_BAR (bar
->next
)->prev
, bar
);
3874 /* Remove all scroll bars on FRAME that haven't been saved since the
3875 last call to `*condemn_scroll_bars_hook'. */
3878 w32_judge_scroll_bars (f
)
3881 Lisp_Object bar
, next
;
3883 bar
= FRAME_CONDEMNED_SCROLL_BARS (f
);
3885 /* Clear out the condemned list now so we won't try to process any
3886 more events on the hapless scroll bars. */
3887 FRAME_CONDEMNED_SCROLL_BARS (f
) = Qnil
;
3889 for (; ! NILP (bar
); bar
= next
)
3891 struct scroll_bar
*b
= XSCROLL_BAR (bar
);
3893 x_scroll_bar_remove (b
);
3896 b
->next
= b
->prev
= Qnil
;
3899 /* Now there should be no references to the condemned scroll bars,
3900 and they should get garbage-collected. */
3903 /* Handle a mouse click on the scroll bar BAR. If *EMACS_EVENT's kind
3904 is set to something other than NO_EVENT, it is enqueued.
3906 This may be called from a signal handler, so we have to ignore GC
3910 w32_scroll_bar_handle_click (bar
, msg
, emacs_event
)
3911 struct scroll_bar
*bar
;
3913 struct input_event
*emacs_event
;
3915 if (! GC_WINDOWP (bar
->window
))
3918 emacs_event
->kind
= W32_SCROLL_BAR_CLICK_EVENT
;
3919 emacs_event
->code
= 0;
3920 /* not really meaningful to distinguish up/down */
3921 emacs_event
->modifiers
= msg
->dwModifiers
;
3922 emacs_event
->frame_or_window
= bar
->window
;
3923 emacs_event
->arg
= Qnil
;
3924 emacs_event
->timestamp
= msg
->msg
.time
;
3927 int top_range
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
));
3929 int dragging
= !NILP (bar
->dragging
);
3931 if (pfnGetScrollInfo
)
3935 si
.cbSize
= sizeof (si
);
3938 pfnGetScrollInfo ((HWND
) msg
->msg
.lParam
, SB_CTL
, &si
);
3942 y
= GetScrollPos ((HWND
) msg
->msg
.lParam
, SB_CTL
);
3944 bar
->dragging
= Qnil
;
3947 last_mouse_scroll_bar_pos
= msg
->msg
.wParam
;
3949 switch (LOWORD (msg
->msg
.wParam
))
3952 emacs_event
->part
= scroll_bar_down_arrow
;
3955 emacs_event
->part
= scroll_bar_up_arrow
;
3958 emacs_event
->part
= scroll_bar_above_handle
;
3961 emacs_event
->part
= scroll_bar_below_handle
;
3964 emacs_event
->part
= scroll_bar_handle
;
3968 emacs_event
->part
= scroll_bar_handle
;
3972 case SB_THUMBPOSITION
:
3973 if (VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
)) <= 0xffff)
3974 y
= HIWORD (msg
->msg
.wParam
);
3976 emacs_event
->part
= scroll_bar_handle
;
3978 /* "Silently" update current position. */
3979 if (pfnSetScrollInfo
)
3983 si
.cbSize
= sizeof (si
);
3986 /* Remember apparent position (we actually lag behind the real
3987 position, so don't set that directly. */
3988 last_scroll_bar_drag_pos
= y
;
3990 pfnSetScrollInfo (SCROLL_BAR_W32_WINDOW (bar
), SB_CTL
, &si
, FALSE
);
3993 SetScrollPos (SCROLL_BAR_W32_WINDOW (bar
), SB_CTL
, y
, FALSE
);
3996 /* If this is the end of a drag sequence, then reset the scroll
3997 handle size to normal and do a final redraw. Otherwise do
4001 if (pfnSetScrollInfo
)
4004 int start
= XINT (bar
->start
);
4005 int end
= XINT (bar
->end
);
4007 si
.cbSize
= sizeof (si
);
4008 si
.fMask
= SIF_PAGE
| SIF_POS
;
4009 si
.nPage
= end
- start
+ VERTICAL_SCROLL_BAR_MIN_HANDLE
;
4010 si
.nPos
= last_scroll_bar_drag_pos
;
4011 pfnSetScrollInfo (SCROLL_BAR_W32_WINDOW (bar
), SB_CTL
, &si
, TRUE
);
4014 SetScrollPos (SCROLL_BAR_W32_WINDOW (bar
), SB_CTL
, y
, TRUE
);
4018 emacs_event
->kind
= NO_EVENT
;
4022 XSETINT (emacs_event
->x
, y
);
4023 XSETINT (emacs_event
->y
, top_range
);
4029 /* Return information to the user about the current position of the mouse
4030 on the scroll bar. */
4033 x_scroll_bar_report_motion (fp
, bar_window
, part
, x
, y
, time
)
4035 Lisp_Object
*bar_window
;
4036 enum scroll_bar_part
*part
;
4038 unsigned long *time
;
4040 struct scroll_bar
*bar
= XSCROLL_BAR (last_mouse_scroll_bar
);
4041 Window w
= SCROLL_BAR_W32_WINDOW (bar
);
4042 FRAME_PTR f
= XFRAME (WINDOW_FRAME (XWINDOW (bar
->window
)));
4044 int top_range
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
));
4049 *bar_window
= bar
->window
;
4051 if (pfnGetScrollInfo
)
4055 si
.cbSize
= sizeof (si
);
4056 si
.fMask
= SIF_POS
| SIF_PAGE
| SIF_RANGE
;
4058 pfnGetScrollInfo (w
, SB_CTL
, &si
);
4060 top_range
= si
.nMax
- si
.nPage
+ 1;
4063 pos
= GetScrollPos (w
, SB_CTL
);
4065 switch (LOWORD (last_mouse_scroll_bar_pos
))
4067 case SB_THUMBPOSITION
:
4069 *part
= scroll_bar_handle
;
4070 if (VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
)) <= 0xffff)
4071 pos
= HIWORD (last_mouse_scroll_bar_pos
);
4074 *part
= scroll_bar_handle
;
4078 *part
= scroll_bar_handle
;
4083 XSETINT (*y
, top_range
);
4086 last_mouse_scroll_bar
= Qnil
;
4088 *time
= last_mouse_movement_time
;
4094 /* The screen has been cleared so we may have changed foreground or
4095 background colors, and the scroll bars may need to be redrawn.
4096 Clear out the scroll bars, and ask for expose events, so we can
4100 x_scroll_bar_clear (f
)
4105 /* We can have scroll bars even if this is 0,
4106 if we just turned off scroll bar mode.
4107 But in that case we should not clear them. */
4108 if (FRAME_HAS_VERTICAL_SCROLL_BARS (f
))
4109 for (bar
= FRAME_SCROLL_BARS (f
); VECTORP (bar
);
4110 bar
= XSCROLL_BAR (bar
)->next
)
4112 HWND window
= SCROLL_BAR_W32_WINDOW (XSCROLL_BAR (bar
));
4113 HDC hdc
= GetDC (window
);
4116 /* Hide scroll bar until ready to repaint. x_scroll_bar_move
4117 arranges to refresh the scroll bar if hidden. */
4118 my_show_window (f
, window
, SW_HIDE
);
4120 GetClientRect (window
, &rect
);
4121 select_palette (f
, hdc
);
4122 w32_clear_rect (f
, hdc
, &rect
);
4123 deselect_palette (f
, hdc
);
4125 ReleaseDC (window
, hdc
);
4130 /* The main W32 event-reading loop - w32_read_socket. */
4132 /* Record the last 100 characters stored
4133 to help debug the loss-of-chars-during-GC problem. */
4135 static int temp_index
;
4136 static short temp_buffer
[100];
4139 /* Read events coming from the W32 shell.
4140 This routine is called by the SIGIO handler.
4141 We return as soon as there are no more events to be read.
4143 We return the number of characters stored into the buffer,
4144 thus pretending to be `read'.
4146 EXPECTED is nonzero if the caller knows input is available.
4148 Some of these messages are reposted back to the message queue since the
4149 system calls the windows proc directly in a context where we cannot return
4150 the data nor can we guarantee the state we are in. So if we dispatch them
4151 we will get into an infinite loop. To prevent this from ever happening we
4152 will set a variable to indicate we are in the read_socket call and indicate
4153 which message we are processing since the windows proc gets called
4154 recursively with different messages by the system.
4158 w32_read_socket (sd
, expected
, hold_quit
)
4161 struct input_event
*hold_quit
;
4164 int check_visibility
= 0;
4167 struct w32_display_info
*dpyinfo
= &one_w32_display_info
;
4169 if (interrupt_input_blocked
)
4171 interrupt_input_pending
= 1;
4175 interrupt_input_pending
= 0;
4178 /* So people can tell when we have read the available input. */
4179 input_signal_count
++;
4181 /* TODO: ghostscript integration. */
4182 while (get_next_msg (&msg
, FALSE
))
4184 struct input_event inev
;
4188 inev
.kind
= NO_EVENT
;
4191 switch (msg
.msg
.message
)
4194 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4198 if (msg
.rect
.right
== msg
.rect
.left
||
4199 msg
.rect
.bottom
== msg
.rect
.top
)
4201 /* We may get paint messages even though the client
4202 area is clipped - these are not expose events. */
4203 DebPrint (("clipped frame %p (%s) got WM_PAINT - ignored\n", f
,
4206 else if (f
->async_visible
!= 1)
4208 /* Definitely not obscured, so mark as visible. */
4209 f
->async_visible
= 1;
4210 f
->async_iconified
= 0;
4211 SET_FRAME_GARBAGED (f
);
4212 DebPrint (("frame %p (%s) reexposed by WM_PAINT\n", f
,
4215 /* WM_PAINT serves as MapNotify as well, so report
4216 visibility changes properly. */
4219 inev
.kind
= DEICONIFY_EVENT
;
4220 XSETFRAME (inev
.frame_or_window
, f
);
4222 else if (! NILP (Vframe_list
)
4223 && ! NILP (XCDR (Vframe_list
)))
4224 /* Force a redisplay sooner or later to update the
4225 frame titles in case this is the second frame. */
4226 record_asynch_buffer_change ();
4230 HDC hdc
= get_frame_dc (f
);
4232 /* Erase background again for safety. */
4233 w32_clear_rect (f
, hdc
, &msg
.rect
);
4234 release_frame_dc (f
, hdc
);
4238 msg
.rect
.right
- msg
.rect
.left
,
4239 msg
.rect
.bottom
- msg
.rect
.top
);
4244 case WM_INPUTLANGCHANGE
:
4245 /* Generate a language change event. */
4246 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4250 inev
.kind
= LANGUAGE_CHANGE_EVENT
;
4251 XSETFRAME (inev
.frame_or_window
, f
);
4252 inev
.code
= msg
.msg
.wParam
;
4253 inev
.modifiers
= msg
.msg
.lParam
& 0xffff;
4259 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4261 if (f
&& !f
->iconified
)
4263 if (!dpyinfo
->mouse_face_hidden
&& INTEGERP (Vmouse_highlight
)
4264 && !EQ (f
->tool_bar_window
, dpyinfo
->mouse_face_window
))
4266 clear_mouse_face (dpyinfo
);
4267 dpyinfo
->mouse_face_hidden
= 1;
4270 if (temp_index
== sizeof temp_buffer
/ sizeof (short))
4272 temp_buffer
[temp_index
++] = msg
.msg
.wParam
;
4273 inev
.kind
= NON_ASCII_KEYSTROKE_EVENT
;
4274 inev
.code
= msg
.msg
.wParam
;
4275 inev
.modifiers
= msg
.dwModifiers
;
4276 XSETFRAME (inev
.frame_or_window
, f
);
4277 inev
.timestamp
= msg
.msg
.time
;
4283 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4285 if (f
&& !f
->iconified
)
4287 if (!dpyinfo
->mouse_face_hidden
&& INTEGERP (Vmouse_highlight
)
4288 && !EQ (f
->tool_bar_window
, dpyinfo
->mouse_face_window
))
4290 clear_mouse_face (dpyinfo
);
4291 dpyinfo
->mouse_face_hidden
= 1;
4294 if (temp_index
== sizeof temp_buffer
/ sizeof (short))
4296 temp_buffer
[temp_index
++] = msg
.msg
.wParam
;
4297 inev
.kind
= ASCII_KEYSTROKE_EVENT
;
4298 inev
.code
= msg
.msg
.wParam
;
4299 inev
.modifiers
= msg
.dwModifiers
;
4300 XSETFRAME (inev
.frame_or_window
, f
);
4301 inev
.timestamp
= msg
.msg
.time
;
4306 /* Ignore non-movement. */
4308 int x
= LOWORD (msg
.msg
.lParam
);
4309 int y
= HIWORD (msg
.msg
.lParam
);
4310 if (x
== last_mousemove_x
&& y
== last_mousemove_y
)
4312 last_mousemove_x
= x
;
4313 last_mousemove_y
= y
;
4316 previous_help_echo_string
= help_echo_string
;
4317 help_echo_string
= Qnil
;
4319 if (dpyinfo
->grabbed
&& last_mouse_frame
4320 && FRAME_LIVE_P (last_mouse_frame
))
4321 f
= last_mouse_frame
;
4323 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4325 if (dpyinfo
->mouse_face_hidden
)
4327 dpyinfo
->mouse_face_hidden
= 0;
4328 clear_mouse_face (dpyinfo
);
4333 /* Generate SELECT_WINDOW_EVENTs when needed. */
4334 if (mouse_autoselect_window
)
4337 int x
= LOWORD (msg
.msg
.lParam
);
4338 int y
= HIWORD (msg
.msg
.lParam
);
4340 window
= window_from_coordinates (f
, x
, y
, 0, 0, 0, 0);
4342 /* Window will be selected only when it is not
4343 selected now and last mouse movement event was
4344 not in it. Minibuffer window will be selected
4345 iff it is active. */
4347 && !EQ (window
, last_window
)
4348 && !EQ (window
, selected_window
))
4350 inev
.kind
= SELECT_WINDOW_EVENT
;
4351 inev
.frame_or_window
= window
;
4356 if (!note_mouse_movement (f
, &msg
.msg
))
4357 help_echo_string
= previous_help_echo_string
;
4361 /* If we move outside the frame, then we're
4362 certainly no longer on any text in the frame. */
4363 clear_mouse_face (dpyinfo
);
4366 /* If the contents of the global variable help_echo_string
4367 has changed, generate a HELP_EVENT. */
4368 #if 0 /* The below is an invalid comparison when USE_LISP_UNION_TYPE.
4369 But it was originally changed to this to fix a bug, so I have
4370 not removed it completely in case the bug is still there. */
4371 if (help_echo_string
!= previous_help_echo_string
||
4372 (!NILP (help_echo_string
) && !STRINGP (help_echo_string
) && f
->mouse_moved
))
4373 #else /* This is what xterm.c does. */
4374 if (!NILP (help_echo_string
)
4375 || !NILP (previous_help_echo_string
))
4380 case WM_LBUTTONDOWN
:
4382 case WM_MBUTTONDOWN
:
4384 case WM_RBUTTONDOWN
:
4386 case WM_XBUTTONDOWN
:
4389 /* If we decide we want to generate an event to be seen
4390 by the rest of Emacs, we put it here. */
4395 if (dpyinfo
->grabbed
&& last_mouse_frame
4396 && FRAME_LIVE_P (last_mouse_frame
))
4397 f
= last_mouse_frame
;
4399 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4403 construct_mouse_click (&inev
, &msg
, f
);
4405 /* Is this in the tool-bar? */
4406 if (WINDOWP (f
->tool_bar_window
)
4407 && WINDOW_TOTAL_LINES (XWINDOW (f
->tool_bar_window
)))
4410 int x
= XFASTINT (inev
.x
);
4411 int y
= XFASTINT (inev
.y
);
4413 window
= window_from_coordinates (f
, x
, y
, 0, 0, 0, 1);
4415 if (EQ (window
, f
->tool_bar_window
))
4417 w32_handle_tool_bar_click (f
, &inev
);
4423 || (dpyinfo
->w32_focus_frame
4424 && f
!= dpyinfo
->w32_focus_frame
))
4425 inev
.kind
= NO_EVENT
;
4428 parse_button (msg
.msg
.message
, HIWORD (msg
.msg
.wParam
),
4433 dpyinfo
->grabbed
&= ~ (1 << button
);
4437 dpyinfo
->grabbed
|= (1 << button
);
4438 last_mouse_frame
= f
;
4439 /* Ignore any mouse motion that happened
4440 before this event; any subsequent mouse-movement
4441 Emacs events should reflect only motion after
4447 last_tool_bar_item
= -1;
4454 if (dpyinfo
->grabbed
&& last_mouse_frame
4455 && FRAME_LIVE_P (last_mouse_frame
))
4456 f
= last_mouse_frame
;
4458 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4463 if (!dpyinfo
->w32_focus_frame
4464 || f
== dpyinfo
->w32_focus_frame
)
4466 /* Emit an Emacs wheel-up/down event. */
4467 construct_mouse_wheel (&inev
, &msg
, f
);
4469 /* Ignore any mouse motion that happened before this
4470 event; any subsequent mouse-movement Emacs events
4471 should reflect only motion after the
4475 last_mouse_frame
= f
;
4476 last_tool_bar_item
= -1;
4481 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4484 construct_drag_n_drop (&inev
, &msg
, f
);
4489 struct scroll_bar
*bar
=
4490 x_window_to_scroll_bar ((HWND
)msg
.msg
.lParam
);
4493 w32_scroll_bar_handle_click (bar
, &msg
, &inev
);
4497 case WM_WINDOWPOSCHANGED
:
4498 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4501 if (f
->want_fullscreen
& FULLSCREEN_WAIT
)
4502 f
->want_fullscreen
&= ~(FULLSCREEN_WAIT
|FULLSCREEN_BOTH
);
4504 check_visibility
= 1;
4508 case WM_ACTIVATEAPP
:
4509 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4511 x_check_fullscreen (f
);
4512 check_visibility
= 1;
4516 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4518 if (f
&& !f
->async_iconified
)
4522 x_real_positions (f
, &x
, &y
);
4527 check_visibility
= 1;
4531 /* wParam non-zero means Window is about to be shown, 0 means
4532 about to be hidden. */
4533 /* Redo the mouse-highlight after the tooltip has gone. */
4534 if (!msg
.msg
.wParam
&& msg
.msg
.hwnd
== tip_window
)
4537 redo_mouse_highlight ();
4540 /* If window has been obscured or exposed by another window
4541 being maximised or minimised/restored, then recheck
4542 visibility of all frames. Direct changes to our own
4543 windows get handled by WM_SIZE. */
4545 if (msg
.msg
.lParam
!= 0)
4546 check_visibility
= 1;
4549 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4550 f
->async_visible
= msg
.msg
.wParam
;
4554 check_visibility
= 1;
4558 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4560 /* Inform lisp of whether frame has been iconified etc. */
4563 switch (msg
.msg
.wParam
)
4565 case SIZE_MINIMIZED
:
4566 f
->async_visible
= 0;
4567 f
->async_iconified
= 1;
4569 inev
.kind
= ICONIFY_EVENT
;
4570 XSETFRAME (inev
.frame_or_window
, f
);
4573 case SIZE_MAXIMIZED
:
4575 f
->async_visible
= 1;
4576 f
->async_iconified
= 0;
4578 /* wait_reading_process_output will notice this and update
4579 the frame's display structures. */
4580 SET_FRAME_GARBAGED (f
);
4586 /* Reset top and left positions of the Window
4587 here since Windows sends a WM_MOVE message
4588 BEFORE telling us the Window is minimized
4589 when the Window is iconified, with 3000,3000
4591 x_real_positions (f
, &x
, &y
);
4595 inev
.kind
= DEICONIFY_EVENT
;
4596 XSETFRAME (inev
.frame_or_window
, f
);
4598 else if (! NILP (Vframe_list
)
4599 && ! NILP (XCDR (Vframe_list
)))
4600 /* Force a redisplay sooner or later
4601 to update the frame titles
4602 in case this is the second frame. */
4603 record_asynch_buffer_change ();
4608 if (f
&& !f
->async_iconified
&& msg
.msg
.wParam
!= SIZE_MINIMIZED
)
4616 GetClientRect (msg
.msg
.hwnd
, &rect
);
4618 height
= rect
.bottom
- rect
.top
;
4619 width
= rect
.right
- rect
.left
;
4621 rows
= FRAME_PIXEL_HEIGHT_TO_TEXT_LINES (f
, height
);
4622 columns
= FRAME_PIXEL_WIDTH_TO_TEXT_COLS (f
, width
);
4624 /* TODO: Clip size to the screen dimensions. */
4626 /* Even if the number of character rows and columns has
4627 not changed, the font size may have changed, so we need
4628 to check the pixel dimensions as well. */
4630 if (columns
!= FRAME_COLS (f
)
4631 || rows
!= FRAME_LINES (f
)
4632 || width
!= FRAME_PIXEL_WIDTH (f
)
4633 || height
!= FRAME_PIXEL_HEIGHT (f
))
4635 change_frame_size (f
, rows
, columns
, 0, 1, 0);
4636 SET_FRAME_GARBAGED (f
);
4637 cancel_mouse_face (f
);
4638 FRAME_PIXEL_WIDTH (f
) = width
;
4639 FRAME_PIXEL_HEIGHT (f
) = height
;
4640 f
->win_gravity
= NorthWestGravity
;
4644 check_visibility
= 1;
4648 f
= x_any_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4651 if (f
== dpyinfo
->mouse_face_mouse_frame
)
4653 /* If we move outside the frame, then we're
4654 certainly no longer on any text in the frame. */
4655 clear_mouse_face (dpyinfo
);
4656 dpyinfo
->mouse_face_mouse_frame
= 0;
4659 /* Generate a nil HELP_EVENT to cancel a help-echo.
4660 Do it only if there's something to cancel.
4661 Otherwise, the startup message is cleared when
4662 the mouse leaves the frame. */
4663 if (any_help_event_p
)
4669 w32_detect_focus_change (dpyinfo
, &msg
, &inev
);
4671 dpyinfo
->grabbed
= 0;
4672 check_visibility
= 1;
4676 f
= x_top_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4680 if (f
== dpyinfo
->w32_focus_event_frame
)
4681 dpyinfo
->w32_focus_event_frame
= 0;
4683 if (f
== dpyinfo
->w32_focus_frame
)
4684 x_new_focus_frame (dpyinfo
, 0);
4686 if (f
== dpyinfo
->mouse_face_mouse_frame
)
4688 /* If we move outside the frame, then we're
4689 certainly no longer on any text in the frame. */
4690 clear_mouse_face (dpyinfo
);
4691 dpyinfo
->mouse_face_mouse_frame
= 0;
4694 /* Generate a nil HELP_EVENT to cancel a help-echo.
4695 Do it only if there's something to cancel.
4696 Otherwise, the startup message is cleared when
4697 the mouse leaves the frame. */
4698 if (any_help_event_p
)
4702 dpyinfo
->grabbed
= 0;
4703 check_visibility
= 1;
4707 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4711 inev
.kind
= DELETE_WINDOW_EVENT
;
4712 XSETFRAME (inev
.frame_or_window
, f
);
4717 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4721 inev
.kind
= MENU_BAR_ACTIVATE_EVENT
;
4722 XSETFRAME (inev
.frame_or_window
, f
);
4727 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4731 extern void menubar_selection_callback
4732 (FRAME_PTR f
, void * client_data
);
4733 menubar_selection_callback (f
, (void *)msg
.msg
.wParam
);
4736 check_visibility
= 1;
4739 case WM_DISPLAYCHANGE
:
4740 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4744 dpyinfo
->width
= (short) LOWORD (msg
.msg
.lParam
);
4745 dpyinfo
->height
= (short) HIWORD (msg
.msg
.lParam
);
4746 dpyinfo
->n_cbits
= msg
.msg
.wParam
;
4747 DebPrint (("display change: %d %d\n", dpyinfo
->width
,
4751 check_visibility
= 1;
4755 /* Check for messages registered at runtime. */
4756 if (msg
.msg
.message
== msh_mousewheel
)
4758 /* Forward MSH_MOUSEWHEEL as WM_MOUSEWHEEL. */
4759 msg
.msg
.message
= WM_MOUSEWHEEL
;
4765 if (inev
.kind
!= NO_EVENT
)
4767 kbd_buffer_store_event_hold (&inev
, hold_quit
);
4772 && !(hold_quit
&& hold_quit
->kind
!= NO_EVENT
))
4777 XSETFRAME (frame
, f
);
4783 if (NILP (help_echo_string
))
4785 help_echo_object
= help_echo_window
= Qnil
;
4789 any_help_event_p
= 1;
4790 gen_help_event (help_echo_string
, frame
, help_echo_window
,
4791 help_echo_object
, help_echo_pos
);
4795 help_echo_string
= Qnil
;
4796 gen_help_event (Qnil
, frame
, Qnil
, Qnil
, 0);
4802 /* If the focus was just given to an autoraising frame,
4804 /* ??? This ought to be able to handle more than one such frame. */
4805 if (pending_autoraise_frame
)
4807 x_raise_frame (pending_autoraise_frame
);
4808 pending_autoraise_frame
= 0;
4811 /* Check which frames are still visisble, if we have enqueued any user
4812 events or been notified of events that may affect visibility. We
4813 do this here because there doesn't seem to be any direct
4814 notification from Windows that the visibility of a window has
4815 changed (at least, not in all cases). */
4816 if (count
> 0 || check_visibility
)
4818 Lisp_Object tail
, frame
;
4820 FOR_EACH_FRAME (tail
, frame
)
4822 FRAME_PTR f
= XFRAME (frame
);
4823 /* The tooltip has been drawn already. Avoid the
4824 SET_FRAME_GARBAGED below. */
4825 if (EQ (frame
, tip_frame
))
4828 /* Check "visible" frames and mark each as obscured or not.
4829 Note that async_visible is nonzero for unobscured and
4830 obscured frames, but zero for hidden and iconified frames. */
4831 if (FRAME_W32_P (f
) && f
->async_visible
)
4837 /* Query clipping rectangle for the entire window area
4838 (GetWindowDC), not just the client portion (GetDC).
4839 Otherwise, the scrollbars and menubar aren't counted as
4840 part of the visible area of the frame, and we may think
4841 the frame is obscured when really a scrollbar is still
4842 visible and gets WM_PAINT messages above. */
4843 hdc
= GetWindowDC (FRAME_W32_WINDOW (f
));
4844 GetClipBox (hdc
, &clipbox
);
4845 ReleaseDC (FRAME_W32_WINDOW (f
), hdc
);
4848 if (clipbox
.right
== clipbox
.left
4849 || clipbox
.bottom
== clipbox
.top
)
4851 /* Frame has become completely obscured so mark as
4852 such (we do this by setting async_visible to 2 so
4853 that FRAME_VISIBLE_P is still true, but redisplay
4855 f
->async_visible
= 2;
4857 if (!FRAME_OBSCURED_P (f
))
4859 DebPrint (("frame %p (%s) obscured\n", f
,
4865 /* Frame is not obscured, so mark it as such. */
4866 f
->async_visible
= 1;
4868 if (FRAME_OBSCURED_P (f
))
4870 SET_FRAME_GARBAGED (f
);
4871 DebPrint (("obscured frame %p (%s) found to be visible\n", f
,
4874 /* Force a redisplay sooner or later. */
4875 record_asynch_buffer_change ();
4888 /***********************************************************************
4890 ***********************************************************************/
4892 /* Set clipping for output in glyph row ROW. W is the window in which
4893 we operate. GC is the graphics context to set clipping in.
4895 ROW may be a text row or, e.g., a mode line. Text rows must be
4896 clipped to the interior of the window dedicated to text display,
4897 mode lines must be clipped to the whole window. */
4900 w32_clip_to_row (w
, row
, area
, hdc
)
4902 struct glyph_row
*row
;
4906 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
4908 int window_x
, window_y
, window_width
;
4910 window_box (w
, area
, &window_x
, &window_y
, &window_width
, 0);
4912 clip_rect
.left
= window_x
;
4913 clip_rect
.top
= WINDOW_TO_FRAME_PIXEL_Y (w
, row
->y
);
4914 clip_rect
.top
= max (clip_rect
.top
, window_y
);
4915 clip_rect
.right
= clip_rect
.left
+ window_width
;
4916 clip_rect
.bottom
= clip_rect
.top
+ row
->visible_height
;
4918 w32_set_clip_rectangle (hdc
, &clip_rect
);
4922 /* Draw a hollow box cursor on window W in glyph row ROW. */
4925 x_draw_hollow_cursor (w
, row
)
4927 struct glyph_row
*row
;
4929 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
4933 struct glyph
*cursor_glyph
;
4934 HBRUSH hb
= CreateSolidBrush (f
->output_data
.w32
->cursor_pixel
);
4936 /* Get the glyph the cursor is on. If we can't tell because
4937 the current matrix is invalid or such, give up. */
4938 cursor_glyph
= get_phys_cursor_glyph (w
);
4939 if (cursor_glyph
== NULL
)
4942 /* Compute frame-relative coordinates for phys cursor. */
4943 rect
.left
= WINDOW_TEXT_TO_FRAME_PIXEL_X (w
, w
->phys_cursor
.x
);
4944 rect
.top
= get_phys_cursor_geometry (w
, row
, cursor_glyph
, &h
);
4945 rect
.bottom
= rect
.top
+ h
;
4946 rect
.right
= rect
.left
+ w
->phys_cursor_width
;
4948 hdc
= get_frame_dc (f
);
4949 /* Set clipping, draw the rectangle, and reset clipping again. */
4950 w32_clip_to_row (w
, row
, TEXT_AREA
, hdc
);
4951 FrameRect (hdc
, &rect
, hb
);
4953 w32_set_clip_rectangle (hdc
, NULL
);
4954 release_frame_dc (f
, hdc
);
4958 /* Draw a bar cursor on window W in glyph row ROW.
4960 Implementation note: One would like to draw a bar cursor with an
4961 angle equal to the one given by the font property XA_ITALIC_ANGLE.
4962 Unfortunately, I didn't find a font yet that has this property set.
4966 x_draw_bar_cursor (w
, row
, width
, kind
)
4968 struct glyph_row
*row
;
4970 enum text_cursor_kinds kind
;
4972 struct frame
*f
= XFRAME (w
->frame
);
4973 struct glyph
*cursor_glyph
;
4977 /* If cursor is out of bounds, don't draw garbage. This can happen
4978 in mini-buffer windows when switching between echo area glyphs
4980 cursor_glyph
= get_phys_cursor_glyph (w
);
4981 if (cursor_glyph
== NULL
)
4984 /* If on an image, draw like a normal cursor. That's usually better
4985 visible than drawing a bar, esp. if the image is large so that
4986 the bar might not be in the window. */
4987 if (cursor_glyph
->type
== IMAGE_GLYPH
)
4989 struct glyph_row
*row
;
4990 row
= MATRIX_ROW (w
->current_matrix
, w
->phys_cursor
.vpos
);
4991 draw_phys_cursor_glyph (w
, row
, DRAW_CURSOR
);
4995 COLORREF cursor_color
= f
->output_data
.w32
->cursor_pixel
;
4996 struct face
*face
= FACE_FROM_ID (f
, cursor_glyph
->face_id
);
4998 /* If the glyph's background equals the color we normally draw
4999 the bar cursor in, the bar cursor in its normal color is
5000 invisible. Use the glyph's foreground color instead in this
5001 case, on the assumption that the glyph's colors are chosen so
5002 that the glyph is legible. */
5003 if (face
->background
== cursor_color
)
5004 cursor_color
= face
->foreground
;
5006 x
= WINDOW_TEXT_TO_FRAME_PIXEL_X (w
, w
->phys_cursor
.x
);
5009 width
= FRAME_CURSOR_WIDTH (f
);
5010 width
= min (cursor_glyph
->pixel_width
, width
);
5012 w
->phys_cursor_width
= width
;
5015 hdc
= get_frame_dc (f
);
5016 w32_clip_to_row (w
, row
, TEXT_AREA
, hdc
);
5018 if (kind
== BAR_CURSOR
)
5020 w32_fill_area (f
, hdc
, cursor_color
, x
,
5021 WINDOW_TO_FRAME_PIXEL_Y (w
, w
->phys_cursor
.y
),
5022 width
, row
->height
);
5026 w32_fill_area (f
, hdc
, cursor_color
, x
,
5027 WINDOW_TO_FRAME_PIXEL_Y (w
, w
->phys_cursor
.y
+
5028 row
->height
- width
),
5029 cursor_glyph
->pixel_width
, width
);
5032 w32_set_clip_rectangle (hdc
, NULL
);
5033 release_frame_dc (f
, hdc
);
5038 /* RIF: Define cursor CURSOR on frame F. */
5041 w32_define_frame_cursor (f
, cursor
)
5045 w32_define_cursor (FRAME_W32_WINDOW (f
), cursor
);
5049 /* RIF: Clear area on frame F. */
5052 w32_clear_frame_area (f
, x
, y
, width
, height
)
5054 int x
, y
, width
, height
;
5058 hdc
= get_frame_dc (f
);
5059 w32_clear_area (f
, hdc
, x
, y
, width
, height
);
5060 release_frame_dc (f
, hdc
);
5063 /* RIF: Draw or clear cursor on window W. */
5066 w32_draw_window_cursor (w
, glyph_row
, x
, y
, cursor_type
, cursor_width
, on_p
, active_p
)
5068 struct glyph_row
*glyph_row
;
5070 int cursor_type
, cursor_width
;
5075 /* If the user wants to use the system caret, make sure our own
5076 cursor remains invisible. */
5077 if (w32_use_visible_system_caret
)
5079 /* Call to erase_phys_cursor here seems to use the
5080 wrong values of w->phys_cursor, as they have been
5081 overwritten before this function was called. */
5082 if (w
->phys_cursor_type
!= NO_CURSOR
)
5083 erase_phys_cursor (w
);
5085 cursor_type
= w
->phys_cursor_type
= NO_CURSOR
;
5086 w
->phys_cursor_width
= -1;
5090 w
->phys_cursor_type
= cursor_type
;
5093 w
->phys_cursor_on_p
= 1;
5095 /* If this is the active cursor, we need to track it with the
5096 system caret, so third party software like screen magnifiers
5097 and speech synthesizers can follow the cursor. */
5100 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
5101 HWND hwnd
= FRAME_W32_WINDOW (f
);
5104 = WINDOW_TEXT_TO_FRAME_PIXEL_X (w
, w
->phys_cursor
.x
);
5106 = (WINDOW_TO_FRAME_PIXEL_Y (w
, w
->phys_cursor
.y
)
5107 + glyph_row
->ascent
- w
->phys_cursor_ascent
);
5109 /* If the size of the active cursor changed, destroy the old
5111 if (w32_system_caret_hwnd
5112 && (w32_system_caret_height
!= w
->phys_cursor_height
))
5113 PostMessage (hwnd
, WM_EMACS_DESTROY_CARET
, 0, 0);
5115 w32_system_caret_height
= w
->phys_cursor_height
;
5117 /* Move the system caret. */
5118 PostMessage (hwnd
, WM_EMACS_TRACK_CARET
, 0, 0);
5121 if (glyph_row
->exact_window_width_line_p
5122 && w
->phys_cursor
.hpos
>= glyph_row
->used
[TEXT_AREA
])
5124 glyph_row
->cursor_in_fringe_p
= 1;
5125 draw_fringe_bitmap (w
, glyph_row
, 0);
5129 switch (cursor_type
)
5131 case HOLLOW_BOX_CURSOR
:
5132 x_draw_hollow_cursor (w
, glyph_row
);
5135 case FILLED_BOX_CURSOR
:
5136 draw_phys_cursor_glyph (w
, glyph_row
, DRAW_CURSOR
);
5140 x_draw_bar_cursor (w
, glyph_row
, cursor_width
, BAR_CURSOR
);
5144 x_draw_bar_cursor (w
, glyph_row
, cursor_width
, HBAR_CURSOR
);
5148 w
->phys_cursor_width
= 0;
5162 x_bitmap_icon (f
, icon
)
5167 HANDLE small_icon
= NULL
;
5169 if (FRAME_W32_WINDOW (f
) == 0)
5173 main_icon
= LoadIcon (hinst
, EMACS_CLASS
);
5174 else if (STRINGP (icon
))
5176 /* Load the main icon from the named file. */
5177 main_icon
= LoadImage (NULL
, (LPCTSTR
) SDATA (icon
), IMAGE_ICON
, 0, 0,
5178 LR_DEFAULTSIZE
| LR_LOADFROMFILE
);
5179 /* Try to load a small icon to go with it. */
5180 small_icon
= LoadImage (NULL
, (LPCSTR
) SDATA (icon
), IMAGE_ICON
,
5181 GetSystemMetrics (SM_CXSMICON
),
5182 GetSystemMetrics (SM_CYSMICON
),
5185 else if (SYMBOLP (icon
))
5189 if (EQ (icon
, intern ("application")))
5190 name
= (LPCTSTR
) IDI_APPLICATION
;
5191 else if (EQ (icon
, intern ("hand")))
5192 name
= (LPCTSTR
) IDI_HAND
;
5193 else if (EQ (icon
, intern ("question")))
5194 name
= (LPCTSTR
) IDI_QUESTION
;
5195 else if (EQ (icon
, intern ("exclamation")))
5196 name
= (LPCTSTR
) IDI_EXCLAMATION
;
5197 else if (EQ (icon
, intern ("asterisk")))
5198 name
= (LPCTSTR
) IDI_ASTERISK
;
5199 else if (EQ (icon
, intern ("winlogo")))
5200 name
= (LPCTSTR
) IDI_WINLOGO
;
5204 main_icon
= LoadIcon (NULL
, name
);
5209 if (main_icon
== NULL
)
5212 PostMessage (FRAME_W32_WINDOW (f
), WM_SETICON
, (WPARAM
) ICON_BIG
,
5213 (LPARAM
) main_icon
);
5215 /* If there is a small icon that goes with it, set that too. */
5217 PostMessage (FRAME_W32_WINDOW (f
), WM_SETICON
, (WPARAM
) ICON_SMALL
,
5218 (LPARAM
) small_icon
);
5224 /************************************************************************
5226 ************************************************************************/
5228 /* Display Error Handling functions not used on W32. Listing them here
5229 helps diff stay in step when comparing w32term.c with xterm.c.
5231 x_error_catcher (display, error)
5232 x_catch_errors (dpy)
5233 x_catch_errors_unwind (old_val)
5234 x_check_errors (dpy, format)
5235 x_fully_uncatch_errors ()
5236 x_catching_errors ()
5237 x_had_errors_p (dpy)
5238 x_clear_errors (dpy)
5239 x_uncatch_errors (dpy, count)
5241 x_connection_signal (signalnum)
5242 x_connection_closed (dpy, error_message)
5243 x_error_quitter (display, error)
5244 x_error_handler (display, error)
5245 x_io_error_quitter (display)
5250 /* Changing the font of the frame. */
5252 /* Give frame F the font named FONTNAME as its default font, and
5253 return the full name of that font. FONTNAME may be a wildcard
5254 pattern; in that case, we choose some font that fits the pattern.
5255 The return value shows which font we chose. */
5258 x_new_font (f
, fontname
)
5260 register char *fontname
;
5262 struct font_info
*fontp
5263 = FS_LOAD_FONT (f
, 0, fontname
, -1);
5268 FRAME_FONT (f
) = (XFontStruct
*) (fontp
->font
);
5269 FRAME_BASELINE_OFFSET (f
) = fontp
->baseline_offset
;
5270 FRAME_FONTSET (f
) = -1;
5272 FRAME_COLUMN_WIDTH (f
) = fontp
->average_width
;
5273 FRAME_SPACE_WIDTH (f
) = fontp
->space_width
;
5274 FRAME_LINE_HEIGHT (f
) = FONT_HEIGHT (FRAME_FONT (f
));
5276 compute_fringe_widths (f
, 1);
5278 /* Compute the scroll bar width in character columns. */
5279 if (FRAME_CONFIG_SCROLL_BAR_WIDTH (f
) > 0)
5281 int wid
= FRAME_COLUMN_WIDTH (f
);
5282 FRAME_CONFIG_SCROLL_BAR_COLS (f
)
5283 = (FRAME_CONFIG_SCROLL_BAR_WIDTH (f
) + wid
-1) / wid
;
5287 int wid
= FRAME_COLUMN_WIDTH (f
);
5288 FRAME_CONFIG_SCROLL_BAR_COLS (f
) = (14 + wid
- 1) / wid
;
5291 /* Now make the frame display the given font. */
5292 if (FRAME_W32_WINDOW (f
) != 0)
5294 if (NILP (tip_frame
) || XFRAME (tip_frame
) != f
)
5295 x_set_window_size (f
, 0, FRAME_COLS (f
), FRAME_LINES (f
));
5298 return build_string (fontp
->full_name
);
5301 /* Give frame F the fontset named FONTSETNAME as its default font, and
5302 return the full name of that fontset. FONTSETNAME may be a wildcard
5303 pattern; in that case, we choose some fontset that fits the pattern.
5304 The return value shows which fontset we chose. */
5307 x_new_fontset (f
, fontsetname
)
5311 int fontset
= fs_query_fontset (build_string (fontsetname
), 0);
5317 if (FRAME_FONTSET (f
) == fontset
)
5318 /* This fontset is already set in frame F. There's nothing more
5320 return fontset_name (fontset
);
5322 result
= x_new_font (f
, (SDATA (fontset_ascii (fontset
))));
5324 if (!STRINGP (result
))
5325 /* Can't load ASCII font. */
5328 /* Since x_new_font doesn't update any fontset information, do it now. */
5329 FRAME_FONTSET(f
) = fontset
;
5331 return build_string (fontsetname
);
5335 /***********************************************************************
5336 TODO: W32 Input Methods
5337 ***********************************************************************/
5338 /* Listing missing functions from xterm.c helps diff stay in step.
5340 xim_destroy_callback (xim, client_data, call_data)
5341 xim_open_dpy (dpyinfo, resource_name)
5343 xim_instantiate_callback (display, client_data, call_data)
5344 xim_initialize (dpyinfo, resource_name)
5345 xim_close_dpy (dpyinfo)
5350 /* Calculate the absolute position in frame F
5351 from its current recorded position values and gravity. */
5354 x_calc_absolute_position (f
)
5357 int flags
= f
->size_hint_flags
;
5359 /* Treat negative positions as relative to the leftmost bottommost
5360 position that fits on the screen. */
5361 if (flags
& XNegative
)
5362 f
->left_pos
= (FRAME_W32_DISPLAY_INFO (f
)->width
5363 - FRAME_PIXEL_WIDTH (f
)
5366 if (flags
& YNegative
)
5367 f
->top_pos
= (FRAME_W32_DISPLAY_INFO (f
)->height
5368 - FRAME_PIXEL_HEIGHT (f
)
5370 /* The left_pos and top_pos
5371 are now relative to the top and left screen edges,
5372 so the flags should correspond. */
5373 f
->size_hint_flags
&= ~ (XNegative
| YNegative
);
5376 /* CHANGE_GRAVITY is 1 when calling from Fset_frame_position,
5377 to really change the position, and 0 when calling from
5378 x_make_frame_visible (in that case, XOFF and YOFF are the current
5379 position values). It is -1 when calling from x_set_frame_parameters,
5380 which means, do adjust for borders but don't change the gravity. */
5383 x_set_offset (f
, xoff
, yoff
, change_gravity
)
5385 register int xoff
, yoff
;
5388 int modified_top
, modified_left
;
5390 if (change_gravity
> 0)
5394 f
->size_hint_flags
&= ~ (XNegative
| YNegative
);
5396 f
->size_hint_flags
|= XNegative
;
5398 f
->size_hint_flags
|= YNegative
;
5399 f
->win_gravity
= NorthWestGravity
;
5401 x_calc_absolute_position (f
);
5404 x_wm_set_size_hint (f
, (long) 0, 0);
5406 modified_left
= f
->left_pos
;
5407 modified_top
= f
->top_pos
;
5409 my_set_window_pos (FRAME_W32_WINDOW (f
),
5411 modified_left
, modified_top
,
5413 SWP_NOZORDER
| SWP_NOSIZE
| SWP_NOACTIVATE
);
5418 /* Check if we need to resize the frame due to a fullscreen request.
5419 If so needed, resize the frame. */
5421 x_check_fullscreen (f
)
5424 if (f
->want_fullscreen
& FULLSCREEN_BOTH
)
5426 int width
, height
, ign
;
5428 x_real_positions (f
, &f
->left_pos
, &f
->top_pos
);
5430 x_fullscreen_adjust (f
, &width
, &height
, &ign
, &ign
);
5432 /* We do not need to move the window, it shall be taken care of
5433 when setting WM manager hints. */
5434 if (FRAME_COLS (f
) != width
|| FRAME_LINES (f
) != height
)
5436 change_frame_size (f
, height
, width
, 0, 1, 0);
5437 SET_FRAME_GARBAGED (f
);
5438 cancel_mouse_face (f
);
5440 /* Wait for the change of frame size to occur */
5441 f
->want_fullscreen
|= FULLSCREEN_WAIT
;
5446 /* Call this to change the size of frame F's x-window.
5447 If CHANGE_GRAVITY is 1, we change to top-left-corner window gravity
5448 for this size change and subsequent size changes.
5449 Otherwise we leave the window gravity unchanged. */
5452 x_set_window_size (f
, change_gravity
, cols
, rows
)
5457 int pixelwidth
, pixelheight
;
5461 check_frame_size (f
, &rows
, &cols
);
5462 f
->scroll_bar_actual_width
5463 = FRAME_SCROLL_BAR_COLS (f
) * FRAME_COLUMN_WIDTH (f
);
5465 compute_fringe_widths (f
, 0);
5467 pixelwidth
= FRAME_TEXT_COLS_TO_PIXEL_WIDTH (f
, cols
);
5468 pixelheight
= FRAME_TEXT_LINES_TO_PIXEL_HEIGHT (f
, rows
);
5470 f
->win_gravity
= NorthWestGravity
;
5471 x_wm_set_size_hint (f
, (long) 0, 0);
5476 rect
.left
= rect
.top
= 0;
5477 rect
.right
= pixelwidth
;
5478 rect
.bottom
= pixelheight
;
5480 AdjustWindowRect(&rect
, f
->output_data
.w32
->dwStyle
,
5481 FRAME_EXTERNAL_MENU_BAR (f
));
5483 my_set_window_pos (FRAME_W32_WINDOW (f
),
5486 rect
.right
- rect
.left
,
5487 rect
.bottom
- rect
.top
,
5488 SWP_NOZORDER
| SWP_NOMOVE
| SWP_NOACTIVATE
);
5491 /* Now, strictly speaking, we can't be sure that this is accurate,
5492 but the window manager will get around to dealing with the size
5493 change request eventually, and we'll hear how it went when the
5494 ConfigureNotify event gets here.
5496 We could just not bother storing any of this information here,
5497 and let the ConfigureNotify event set everything up, but that
5498 might be kind of confusing to the Lisp code, since size changes
5499 wouldn't be reported in the frame parameters until some random
5500 point in the future when the ConfigureNotify event arrives.
5502 We pass 1 for DELAY since we can't run Lisp code inside of
5504 change_frame_size (f
, rows
, cols
, 0, 1, 0);
5505 FRAME_PIXEL_WIDTH (f
) = pixelwidth
;
5506 FRAME_PIXEL_HEIGHT (f
) = pixelheight
;
5508 /* We've set {FRAME,PIXEL}_{WIDTH,HEIGHT} to the values we hope to
5509 receive in the ConfigureNotify event; if we get what we asked
5510 for, then the event won't cause the screen to become garbaged, so
5511 we have to make sure to do it here. */
5512 SET_FRAME_GARBAGED (f
);
5514 /* If cursor was outside the new size, mark it as off. */
5515 mark_window_cursors_off (XWINDOW (f
->root_window
));
5517 /* Clear out any recollection of where the mouse highlighting was,
5518 since it might be in a place that's outside the new frame size.
5519 Actually checking whether it is outside is a pain in the neck,
5520 so don't try--just let the highlighting be done afresh with new size. */
5521 cancel_mouse_face (f
);
5526 /* Mouse warping. */
5528 void x_set_mouse_pixel_position (struct frame
*f
, int pix_x
, int pix_y
);
5531 x_set_mouse_position (f
, x
, y
)
5537 pix_x
= FRAME_COL_TO_PIXEL_X (f
, x
) + FRAME_COLUMN_WIDTH (f
) / 2;
5538 pix_y
= FRAME_LINE_TO_PIXEL_Y (f
, y
) + FRAME_LINE_HEIGHT (f
) / 2;
5540 if (pix_x
< 0) pix_x
= 0;
5541 if (pix_x
> FRAME_PIXEL_WIDTH (f
)) pix_x
= FRAME_PIXEL_WIDTH (f
);
5543 if (pix_y
< 0) pix_y
= 0;
5544 if (pix_y
> FRAME_PIXEL_HEIGHT (f
)) pix_y
= FRAME_PIXEL_HEIGHT (f
);
5546 x_set_mouse_pixel_position (f
, pix_x
, pix_y
);
5550 x_set_mouse_pixel_position (f
, pix_x
, pix_y
)
5559 GetClientRect (FRAME_W32_WINDOW (f
), &rect
);
5560 pt
.x
= rect
.left
+ pix_x
;
5561 pt
.y
= rect
.top
+ pix_y
;
5562 ClientToScreen (FRAME_W32_WINDOW (f
), &pt
);
5564 SetCursorPos (pt
.x
, pt
.y
);
5570 /* focus shifting, raising and lowering. */
5573 x_focus_on_frame (f
)
5576 struct w32_display_info
*dpyinfo
= &one_w32_display_info
;
5578 /* Give input focus to frame. */
5581 /* Try not to change its Z-order if possible. */
5582 if (x_window_to_frame (dpyinfo
, GetForegroundWindow ()))
5583 my_set_focus (f
, FRAME_W32_WINDOW (f
));
5586 my_set_foreground_window (FRAME_W32_WINDOW (f
));
5596 /* Raise frame F. */
5603 /* Strictly speaking, raise-frame should only change the frame's Z
5604 order, leaving input focus unchanged. This is reasonable behaviour
5605 on X where the usual policy is point-to-focus. However, this
5606 behaviour would be very odd on Windows where the usual policy is
5609 On X, if the mouse happens to be over the raised frame, it gets
5610 input focus anyway (so the window with focus will never be
5611 completely obscured) - if not, then just moving the mouse over it
5612 is sufficient to give it focus. On Windows, the user must actually
5613 click on the frame (preferrably the title bar so as not to move
5614 point), which is more awkward. Also, no other Windows program
5615 raises a window to the top but leaves another window (possibly now
5616 completely obscured) with input focus.
5618 Because there is a system setting on Windows that allows the user
5619 to choose the point to focus policy, we make the strict semantics
5620 optional, but by default we grab focus when raising. */
5622 if (NILP (Vw32_grab_focus_on_raise
))
5624 /* The obvious call to my_set_window_pos doesn't work if Emacs is
5625 not already the foreground application: the frame is raised
5626 above all other frames belonging to us, but not above the
5627 current top window. To achieve that, we have to resort to this
5628 more cumbersome method. */
5630 HDWP handle
= BeginDeferWindowPos (2);
5633 DeferWindowPos (handle
,
5634 FRAME_W32_WINDOW (f
),
5637 SWP_NOSIZE
| SWP_NOMOVE
| SWP_NOACTIVATE
);
5639 DeferWindowPos (handle
,
5640 GetForegroundWindow (),
5641 FRAME_W32_WINDOW (f
),
5643 SWP_NOSIZE
| SWP_NOMOVE
| SWP_NOACTIVATE
);
5645 EndDeferWindowPos (handle
);
5650 my_set_foreground_window (FRAME_W32_WINDOW (f
));
5656 /* Lower frame F. */
5662 my_set_window_pos (FRAME_W32_WINDOW (f
),
5665 SWP_NOSIZE
| SWP_NOMOVE
| SWP_NOACTIVATE
);
5670 w32_frame_raise_lower (f
, raise_flag
)
5674 if (! FRAME_W32_P (f
))
5683 /* Change of visibility. */
5685 /* This tries to wait until the frame is really visible.
5686 However, if the window manager asks the user where to position
5687 the frame, this will return before the user finishes doing that.
5688 The frame will not actually be visible at that time,
5689 but it will become visible later when the window manager
5690 finishes with it. */
5693 x_make_frame_visible (f
)
5700 type
= x_icon_type (f
);
5702 x_bitmap_icon (f
, type
);
5704 if (! FRAME_VISIBLE_P (f
))
5706 /* We test FRAME_GARBAGED_P here to make sure we don't
5707 call x_set_offset a second time
5708 if we get to x_make_frame_visible a second time
5709 before the window gets really visible. */
5710 if (! FRAME_ICONIFIED_P (f
)
5711 && ! f
->output_data
.w32
->asked_for_visible
)
5712 x_set_offset (f
, f
->left_pos
, f
->top_pos
, 0);
5714 f
->output_data
.w32
->asked_for_visible
= 1;
5716 /* my_show_window (f, FRAME_W32_WINDOW (f), f->async_iconified ? SW_RESTORE : SW_SHOW); */
5717 my_show_window (f
, FRAME_W32_WINDOW (f
), SW_SHOWNORMAL
);
5720 /* Synchronize to ensure Emacs knows the frame is visible
5721 before we do anything else. We do this loop with input not blocked
5722 so that incoming events are handled. */
5727 /* This must come after we set COUNT. */
5730 XSETFRAME (frame
, f
);
5732 /* Wait until the frame is visible. Process X events until a
5733 MapNotify event has been seen, or until we think we won't get a
5734 MapNotify at all.. */
5735 for (count
= input_signal_count
+ 10;
5736 input_signal_count
< count
&& !FRAME_VISIBLE_P (f
);)
5738 /* Force processing of queued events. */
5739 /* TODO: x_sync equivalent? */
5741 /* Machines that do polling rather than SIGIO have been observed
5742 to go into a busy-wait here. So we'll fake an alarm signal
5743 to let the handler know that there's something to be read.
5744 We used to raise a real alarm, but it seems that the handler
5745 isn't always enabled here. This is probably a bug. */
5746 if (input_polling_used ())
5748 /* It could be confusing if a real alarm arrives while processing
5749 the fake one. Turn it off and let the handler reset it. */
5750 int old_poll_suppress_count
= poll_suppress_count
;
5751 poll_suppress_count
= 1;
5752 poll_for_input_1 ();
5753 poll_suppress_count
= old_poll_suppress_count
;
5756 FRAME_SAMPLE_VISIBILITY (f
);
5760 /* Change from mapped state to withdrawn state. */
5762 /* Make the frame visible (mapped and not iconified). */
5764 x_make_frame_invisible (f
)
5767 /* Don't keep the highlight on an invisible frame. */
5768 if (FRAME_W32_DISPLAY_INFO (f
)->x_highlight_frame
== f
)
5769 FRAME_W32_DISPLAY_INFO (f
)->x_highlight_frame
= 0;
5773 my_show_window (f
, FRAME_W32_WINDOW (f
), SW_HIDE
);
5775 /* We can't distinguish this from iconification
5776 just by the event that we get from the server.
5777 So we can't win using the usual strategy of letting
5778 FRAME_SAMPLE_VISIBILITY set this. So do it by hand,
5779 and synchronize with the server to make sure we agree. */
5781 FRAME_ICONIFIED_P (f
) = 0;
5782 f
->async_visible
= 0;
5783 f
->async_iconified
= 0;
5788 /* Change window state from mapped to iconified. */
5796 /* Don't keep the highlight on an invisible frame. */
5797 if (FRAME_W32_DISPLAY_INFO (f
)->x_highlight_frame
== f
)
5798 FRAME_W32_DISPLAY_INFO (f
)->x_highlight_frame
= 0;
5800 if (f
->async_iconified
)
5805 type
= x_icon_type (f
);
5807 x_bitmap_icon (f
, type
);
5809 /* Simulate the user minimizing the frame. */
5810 SendMessage (FRAME_W32_WINDOW (f
), WM_SYSCOMMAND
, SC_MINIMIZE
, 0);
5816 /* Free X resources of frame F. */
5819 x_free_frame_resources (f
)
5822 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
5826 if (FRAME_W32_WINDOW (f
))
5827 my_destroy_window (f
, FRAME_W32_WINDOW (f
));
5829 free_frame_menubar (f
);
5831 unload_color (f
, FRAME_FOREGROUND_PIXEL (f
));
5832 unload_color (f
, FRAME_BACKGROUND_PIXEL (f
));
5833 unload_color (f
, f
->output_data
.w32
->cursor_pixel
);
5834 unload_color (f
, f
->output_data
.w32
->cursor_foreground_pixel
);
5835 unload_color (f
, f
->output_data
.w32
->border_pixel
);
5836 unload_color (f
, f
->output_data
.w32
->mouse_pixel
);
5837 if (f
->output_data
.w32
->white_relief
.allocated_p
)
5838 unload_color (f
, f
->output_data
.w32
->white_relief
.pixel
);
5839 if (f
->output_data
.w32
->black_relief
.allocated_p
)
5840 unload_color (f
, f
->output_data
.w32
->black_relief
.pixel
);
5842 if (FRAME_FACE_CACHE (f
))
5843 free_frame_faces (f
);
5845 xfree (f
->output_data
.w32
);
5846 f
->output_data
.w32
= NULL
;
5848 if (f
== dpyinfo
->w32_focus_frame
)
5849 dpyinfo
->w32_focus_frame
= 0;
5850 if (f
== dpyinfo
->w32_focus_event_frame
)
5851 dpyinfo
->w32_focus_event_frame
= 0;
5852 if (f
== dpyinfo
->x_highlight_frame
)
5853 dpyinfo
->x_highlight_frame
= 0;
5855 if (f
== dpyinfo
->mouse_face_mouse_frame
)
5857 dpyinfo
->mouse_face_beg_row
5858 = dpyinfo
->mouse_face_beg_col
= -1;
5859 dpyinfo
->mouse_face_end_row
5860 = dpyinfo
->mouse_face_end_col
= -1;
5861 dpyinfo
->mouse_face_window
= Qnil
;
5862 dpyinfo
->mouse_face_deferred_gc
= 0;
5863 dpyinfo
->mouse_face_mouse_frame
= 0;
5870 /* Destroy the window of frame F. */
5872 x_destroy_window (f
)
5875 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
5877 x_free_frame_resources (f
);
5879 dpyinfo
->reference_count
--;
5883 /* Setting window manager hints. */
5885 /* Set the normal size hints for the window manager, for frame F.
5886 FLAGS is the flags word to use--or 0 meaning preserve the flags
5887 that the window now has.
5888 If USER_POSITION is nonzero, we set the USPosition
5889 flag (this is useful when FLAGS is 0). */
5891 x_wm_set_size_hint (f
, flags
, user_position
)
5896 Window window
= FRAME_W32_WINDOW (f
);
5900 SetWindowLong (window
, WND_FONTWIDTH_INDEX
, FRAME_COLUMN_WIDTH (f
));
5901 SetWindowLong (window
, WND_LINEHEIGHT_INDEX
, FRAME_LINE_HEIGHT (f
));
5902 SetWindowLong (window
, WND_BORDER_INDEX
, FRAME_INTERNAL_BORDER_WIDTH (f
));
5903 SetWindowLong (window
, WND_SCROLLBAR_INDEX
, f
->scroll_bar_actual_width
);
5908 /* Window manager things */
5910 x_wm_set_icon_position (f
, icon_x
, icon_y
)
5915 Window window
= FRAME_W32_WINDOW (f
);
5917 f
->display
.x
->wm_hints
.flags
|= IconPositionHint
;
5918 f
->display
.x
->wm_hints
.icon_x
= icon_x
;
5919 f
->display
.x
->wm_hints
.icon_y
= icon_y
;
5921 XSetWMHints (FRAME_X_DISPLAY (f
), window
, &f
->display
.x
->wm_hints
);
5926 /***********************************************************************
5928 ***********************************************************************/
5930 /* The following functions are listed here to help diff stay in step
5931 with xterm.c. See w32fns.c for definitions.
5933 x_get_font_info (f, font_idx)
5934 x_list_fonts (f, pattern, size, maxnames)
5940 /* Check that FONT is valid on frame F. It is if it can be found in F's
5944 x_check_font (f
, font
)
5949 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
5951 xassert (font
!= NULL
);
5953 for (i
= 0; i
< dpyinfo
->n_fonts
; i
++)
5954 if (dpyinfo
->font_table
[i
].name
5955 && font
== dpyinfo
->font_table
[i
].font
)
5958 xassert (i
< dpyinfo
->n_fonts
);
5961 #endif /* GLYPH_DEBUG != 0 */
5963 /* Set *W to the minimum width, *H to the minimum font height of FONT.
5964 Note: There are (broken) X fonts out there with invalid XFontStruct
5965 min_bounds contents. For example, handa@etl.go.jp reports that
5966 "-adobe-courier-medium-r-normal--*-180-*-*-m-*-iso8859-1" fonts
5967 have font->min_bounds.width == 0. */
5970 x_font_min_bounds (font
, w
, h
)
5975 * TODO: Windows does not appear to offer min bound, only
5976 * average and maximum width, and maximum height.
5978 *h
= FONT_HEIGHT (font
);
5979 *w
= FONT_WIDTH (font
);
5983 /* Compute the smallest character width and smallest font height over
5984 all fonts available on frame F. Set the members smallest_char_width
5985 and smallest_font_height in F's x_display_info structure to
5986 the values computed. Value is non-zero if smallest_font_height or
5987 smallest_char_width become smaller than they were before. */
5990 x_compute_min_glyph_bounds (f
)
5994 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
5996 int old_width
= dpyinfo
->smallest_char_width
;
5997 int old_height
= dpyinfo
->smallest_font_height
;
5999 dpyinfo
->smallest_font_height
= 100000;
6000 dpyinfo
->smallest_char_width
= 100000;
6002 for (i
= 0; i
< dpyinfo
->n_fonts
; ++i
)
6003 if (dpyinfo
->font_table
[i
].name
)
6005 struct font_info
*fontp
= dpyinfo
->font_table
+ i
;
6008 font
= (XFontStruct
*) fontp
->font
;
6009 xassert (font
!= (XFontStruct
*) ~0);
6010 x_font_min_bounds (font
, &w
, &h
);
6012 dpyinfo
->smallest_font_height
= min (dpyinfo
->smallest_font_height
, h
);
6013 dpyinfo
->smallest_char_width
= min (dpyinfo
->smallest_char_width
, w
);
6016 xassert (dpyinfo
->smallest_char_width
> 0
6017 && dpyinfo
->smallest_font_height
> 0);
6019 return (dpyinfo
->n_fonts
== 1
6020 || dpyinfo
->smallest_char_width
< old_width
6021 || dpyinfo
->smallest_font_height
< old_height
);
6024 /* The following functions are listed here to help diff stay in step
6025 with xterm.c. See w32fns.c for definitions.
6027 x_load_font (f, fontname, size)
6028 x_query_font (f, fontname)
6029 x_find_ccl_program (fontp)
6033 /***********************************************************************
6035 ***********************************************************************/
6037 static int w32_initialized
= 0;
6040 w32_initialize_display_info (display_name
)
6041 Lisp_Object display_name
;
6043 struct w32_display_info
*dpyinfo
= &one_w32_display_info
;
6045 bzero (dpyinfo
, sizeof (*dpyinfo
));
6047 /* Put it on w32_display_name_list. */
6048 w32_display_name_list
= Fcons (Fcons (display_name
, Qnil
),
6049 w32_display_name_list
);
6050 dpyinfo
->name_list_element
= XCAR (w32_display_name_list
);
6052 dpyinfo
->w32_id_name
6053 = (char *) xmalloc (SCHARS (Vinvocation_name
)
6054 + SCHARS (Vsystem_name
)
6056 sprintf (dpyinfo
->w32_id_name
, "%s@%s",
6057 SDATA (Vinvocation_name
), SDATA (Vsystem_name
));
6059 /* Default Console mode values - overridden when running in GUI mode
6060 with values obtained from system metrics. */
6063 dpyinfo
->height_in
= 1;
6064 dpyinfo
->width_in
= 1;
6065 dpyinfo
->n_planes
= 1;
6066 dpyinfo
->n_cbits
= 4;
6067 dpyinfo
->n_fonts
= 0;
6068 dpyinfo
->smallest_font_height
= 1;
6069 dpyinfo
->smallest_char_width
= 1;
6071 dpyinfo
->mouse_face_beg_row
= dpyinfo
->mouse_face_beg_col
= -1;
6072 dpyinfo
->mouse_face_end_row
= dpyinfo
->mouse_face_end_col
= -1;
6073 dpyinfo
->mouse_face_face_id
= DEFAULT_FACE_ID
;
6074 dpyinfo
->mouse_face_window
= Qnil
;
6075 dpyinfo
->mouse_face_overlay
= Qnil
;
6076 dpyinfo
->mouse_face_hidden
= 0;
6078 dpyinfo
->vertical_scroll_bar_cursor
= w32_load_cursor (IDC_ARROW
);
6079 /* TODO: dpyinfo->gray */
6083 /* Create an xrdb-style database of resources to supercede registry settings.
6084 The database is just a concatenation of C strings, finished by an additional
6085 \0. The string are submitted to some basic normalization, so
6087 [ *]option[ *]:[ *]value...
6093 but any whitespace following value is not removed. */
6096 w32_make_rdb (xrm_option
)
6099 char *buffer
= xmalloc (strlen (xrm_option
) + 2);
6100 char *current
= buffer
;
6103 int before_value
= 0;
6117 if (in_option
&& (ch
== ':'))
6122 else if (before_value
)
6127 else if (!(in_option
|| before_value
))
6138 struct w32_display_info
*
6139 w32_term_init (display_name
, xrm_option
, resource_name
)
6140 Lisp_Object display_name
;
6142 char *resource_name
;
6144 struct w32_display_info
*dpyinfo
;
6149 if (!w32_initialized
)
6152 w32_initialized
= 1;
6155 w32_initialize_display_info (display_name
);
6157 dpyinfo
= &one_w32_display_info
;
6159 dpyinfo
->xrdb
= xrm_option
? w32_make_rdb (xrm_option
) : NULL
;
6161 /* Put this display on the chain. */
6162 dpyinfo
->next
= x_display_list
;
6163 x_display_list
= dpyinfo
;
6165 hdc
= GetDC (GetDesktopWindow ());
6167 dpyinfo
->height
= GetDeviceCaps (hdc
, VERTRES
);
6168 dpyinfo
->width
= GetDeviceCaps (hdc
, HORZRES
);
6169 dpyinfo
->root_window
= GetDesktopWindow ();
6170 dpyinfo
->n_planes
= GetDeviceCaps (hdc
, PLANES
);
6171 dpyinfo
->n_cbits
= GetDeviceCaps (hdc
, BITSPIXEL
);
6172 dpyinfo
->resx
= GetDeviceCaps (hdc
, LOGPIXELSX
);
6173 dpyinfo
->resy
= GetDeviceCaps (hdc
, LOGPIXELSY
);
6174 dpyinfo
->has_palette
= GetDeviceCaps (hdc
, RASTERCAPS
) & RC_PALETTE
;
6175 dpyinfo
->image_cache
= make_image_cache ();
6176 dpyinfo
->height_in
= dpyinfo
->height
/ dpyinfo
->resx
;
6177 dpyinfo
->width_in
= dpyinfo
->width
/ dpyinfo
->resy
;
6178 ReleaseDC (GetDesktopWindow (), hdc
);
6180 /* initialise palette with white and black */
6183 w32_defined_color (0, "white", &color
, 1);
6184 w32_defined_color (0, "black", &color
, 1);
6187 /* Create Fringe Bitmaps and store them for later use.
6189 On W32, bitmaps are all unsigned short, as Windows requires
6190 bitmap data to be Word aligned. For some reason they are
6191 horizontally reflected compared to how they appear on X, so we
6192 need to bitswap and convert to unsigned shorts before creating
6196 #ifndef F_SETOWN_BUG
6198 #ifdef F_SETOWN_SOCK_NEG
6199 /* stdin is a socket here */
6200 fcntl (connection
, F_SETOWN
, -getpid ());
6201 #else /* ! defined (F_SETOWN_SOCK_NEG) */
6202 fcntl (connection
, F_SETOWN
, getpid ());
6203 #endif /* ! defined (F_SETOWN_SOCK_NEG) */
6204 #endif /* ! defined (F_SETOWN) */
6205 #endif /* F_SETOWN_BUG */
6208 if (interrupt_input
)
6209 init_sigio (connection
);
6210 #endif /* ! defined (SIGIO) */
6217 /* Get rid of display DPYINFO, assuming all frames are already gone. */
6220 x_delete_display (dpyinfo
)
6221 struct w32_display_info
*dpyinfo
;
6223 /* Discard this display from w32_display_name_list and w32_display_list.
6224 We can't use Fdelq because that can quit. */
6225 if (! NILP (w32_display_name_list
)
6226 && EQ (XCAR (w32_display_name_list
), dpyinfo
->name_list_element
))
6227 w32_display_name_list
= XCDR (w32_display_name_list
);
6232 tail
= w32_display_name_list
;
6233 while (CONSP (tail
) && CONSP (XCDR (tail
)))
6235 if (EQ (XCAR (XCDR (tail
)), dpyinfo
->name_list_element
))
6237 XSETCDR (tail
, XCDR (XCDR (tail
)));
6244 /* free palette table */
6246 struct w32_palette_entry
* plist
;
6248 plist
= dpyinfo
->color_list
;
6251 struct w32_palette_entry
* pentry
= plist
;
6252 plist
= plist
->next
;
6255 dpyinfo
->color_list
= NULL
;
6256 if (dpyinfo
->palette
)
6257 DeleteObject(dpyinfo
->palette
);
6259 xfree (dpyinfo
->font_table
);
6260 xfree (dpyinfo
->w32_id_name
);
6262 w32_reset_fringes ();
6265 /* Set up use of W32. */
6267 DWORD
w32_msg_worker ();
6270 x_flush (struct frame
* f
)
6271 { /* Nothing to do */ }
6273 extern frame_parm_handler w32_frame_parm_handlers
[];
6275 static struct redisplay_interface w32_redisplay_interface
=
6277 w32_frame_parm_handlers
,
6281 x_clear_end_of_line
,
6283 x_after_update_window_line
,
6284 x_update_window_begin
,
6285 x_update_window_end
,
6288 0, /* flush_display_optional */
6289 x_clear_window_mouse_face
,
6290 w32_get_glyph_overhangs
,
6291 x_fix_overlapping_area
,
6292 w32_draw_fringe_bitmap
,
6293 w32_define_fringe_bitmap
,
6294 w32_destroy_fringe_bitmap
,
6295 w32_per_char_metric
,
6297 NULL
, /* w32_compute_glyph_string_overhangs */
6298 x_draw_glyph_string
,
6299 w32_define_frame_cursor
,
6300 w32_clear_frame_area
,
6301 w32_draw_window_cursor
,
6302 w32_draw_vertical_window_border
,
6303 w32_shift_glyphs_for_insert
6309 rif
= &w32_redisplay_interface
;
6311 /* MSVC does not type K&R functions with no arguments correctly, and
6312 so we must explicitly cast them. */
6313 clear_frame_hook
= (void (*)(void)) x_clear_frame
;
6314 ring_bell_hook
= (void (*)(void)) w32_ring_bell
;
6315 update_begin_hook
= x_update_begin
;
6316 update_end_hook
= x_update_end
;
6318 read_socket_hook
= w32_read_socket
;
6320 frame_up_to_date_hook
= w32_frame_up_to_date
;
6322 mouse_position_hook
= w32_mouse_position
;
6323 frame_rehighlight_hook
= w32_frame_rehighlight
;
6324 frame_raise_lower_hook
= w32_frame_raise_lower
;
6325 set_vertical_scroll_bar_hook
= w32_set_vertical_scroll_bar
;
6326 condemn_scroll_bars_hook
= w32_condemn_scroll_bars
;
6327 redeem_scroll_bar_hook
= w32_redeem_scroll_bar
;
6328 judge_scroll_bars_hook
= w32_judge_scroll_bars
;
6330 TTY_SCROLL_REGION_OK (CURTTY ()) = 1; /* we'll scroll partial frames */
6331 TTY_CHAR_INS_DEL_OK (CURTTY ()) = 1;
6332 TTY_LINE_INS_DEL_OK (CURTTY ()) = 1; /* we'll just blt 'em */
6333 TTY_FAST_CLEAR_END_OF_LINE (CURTTY ()) = 1; /* X does this well */
6334 TTY_MEMORY_BELOW_FRAME (CURTTY ()) = 0; /* we don't remember what
6339 w32_system_caret_hwnd
= NULL
;
6340 w32_system_caret_height
= 0;
6341 w32_system_caret_x
= 0;
6342 w32_system_caret_y
= 0;
6344 /* Initialize w32_use_visible_system_caret based on whether a screen
6345 reader is in use. */
6346 if (!SystemParametersInfo (SPI_GETSCREENREADER
, 0,
6347 &w32_use_visible_system_caret
, 0))
6348 w32_use_visible_system_caret
= 0;
6350 last_tool_bar_item
= -1;
6351 any_help_event_p
= 0;
6353 /* Initialize input mode: interrupt_input off, no flow control, allow
6354 8 bit character input, standard quit char. */
6355 Fset_input_mode (Qnil
, Qnil
, make_number (2), Qnil
);
6357 /* Create the window thread - it will terminate itself or when the app terminates */
6361 dwMainThreadId
= GetCurrentThreadId ();
6362 DuplicateHandle (GetCurrentProcess (), GetCurrentThread (),
6363 GetCurrentProcess (), &hMainThread
, 0, TRUE
, DUPLICATE_SAME_ACCESS
);
6365 /* Wait for thread to start */
6370 PeekMessage (&msg
, NULL
, 0, 0, PM_NOREMOVE
);
6372 hWindowsThread
= CreateThread (NULL
, 0,
6373 (LPTHREAD_START_ROUTINE
) w32_msg_worker
,
6374 0, 0, &dwWindowsThreadId
);
6376 GetMessage (&msg
, NULL
, WM_EMACS_DONE
, WM_EMACS_DONE
);
6379 /* It is desirable that mainThread should have the same notion of
6380 focus window and active window as windowsThread. Unfortunately, the
6381 following call to AttachThreadInput, which should do precisely what
6382 we need, causes major problems when Emacs is linked as a console
6383 program. Unfortunately, we have good reasons for doing that, so
6384 instead we need to send messages to windowsThread to make some API
6385 calls for us (ones that affect, or depend on, the active/focus
6387 #ifdef ATTACH_THREADS
6388 AttachThreadInput (dwMainThreadId
, dwWindowsThreadId
, TRUE
);
6391 /* Dynamically link to optional system components. */
6393 HANDLE user_lib
= LoadLibrary ("user32.dll");
6394 UINT smoothing_type
;
6395 BOOL smoothing_enabled
;
6397 #define LOAD_PROC(fn) pfn##fn = (void *) GetProcAddress (user_lib, #fn)
6399 /* New proportional scroll bar functions. */
6400 LOAD_PROC (SetScrollInfo
);
6401 LOAD_PROC (GetScrollInfo
);
6405 FreeLibrary (user_lib
);
6407 /* If using proportional scroll bars, ensure handle is at least 5 pixels;
6408 otherwise use the fixed height. */
6409 vertical_scroll_bar_min_handle
= (pfnSetScrollInfo
!= NULL
) ? 5 :
6410 GetSystemMetrics (SM_CYVTHUMB
);
6412 /* For either kind of scroll bar, take account of the arrows; these
6413 effectively form the border of the main scroll bar range. */
6414 vertical_scroll_bar_top_border
= vertical_scroll_bar_bottom_border
6415 = GetSystemMetrics (SM_CYVSCROLL
);
6417 /* Constants that are not always defined by the system headers
6418 since they only exist on certain versions of Windows. */
6419 #ifndef SPI_GETFONTSMOOTHING
6420 #define SPI_GETFONTSMOOTHING 0x4A
6422 #ifndef SPI_GETFONTSMOOTHINGTYPE
6423 #define SPI_GETFONTSMOOTHINGTYPE 0x0200A
6425 #ifndef FE_FONTSMOOTHINGCLEARTYPE
6426 #define FE_FONTSMOOTHINGCLEARTYPE 0x2
6429 /* Determine if Cleartype is in use. Used to enable a hack in
6430 the char metric calculations which adds extra pixels to
6431 compensate for the "sub-pixels" that are not counted by the
6434 SystemParametersInfo (SPI_GETFONTSMOOTHING
, 0, &smoothing_enabled
, 0)
6435 && smoothing_enabled
6436 && SystemParametersInfo (SPI_GETFONTSMOOTHINGTYPE
, 0, &smoothing_type
, 0)
6437 && smoothing_type
== FE_FONTSMOOTHINGCLEARTYPE
;
6444 staticpro (&w32_display_name_list
);
6445 w32_display_name_list
= Qnil
;
6447 staticpro (&last_mouse_scroll_bar
);
6448 last_mouse_scroll_bar
= Qnil
;
6450 staticpro (&Qvendor_specific_keysyms
);
6451 Qvendor_specific_keysyms
= intern ("vendor-specific-keysyms");
6453 DEFVAR_INT ("w32-num-mouse-buttons",
6454 &w32_num_mouse_buttons
,
6455 doc
: /* Number of physical mouse buttons. */);
6456 w32_num_mouse_buttons
= 2;
6458 DEFVAR_LISP ("w32-swap-mouse-buttons",
6459 &Vw32_swap_mouse_buttons
,
6460 doc
: /* Swap the mapping of middle and right mouse buttons.
6461 When nil, middle button is mouse-2 and right button is mouse-3. */);
6462 Vw32_swap_mouse_buttons
= Qnil
;
6464 DEFVAR_LISP ("w32-grab-focus-on-raise",
6465 &Vw32_grab_focus_on_raise
,
6466 doc
: /* Raised frame grabs input focus.
6467 When t, `raise-frame' grabs input focus as well. This fits well
6468 with the normal Windows click-to-focus policy, but might not be
6469 desirable when using a point-to-focus policy. */);
6470 Vw32_grab_focus_on_raise
= Qt
;
6472 DEFVAR_LISP ("w32-capslock-is-shiftlock",
6473 &Vw32_capslock_is_shiftlock
,
6474 doc
: /* Apply CapsLock state to non character input keys.
6475 When nil, CapsLock only affects normal character input keys. */);
6476 Vw32_capslock_is_shiftlock
= Qnil
;
6478 DEFVAR_LISP ("w32-recognize-altgr",
6479 &Vw32_recognize_altgr
,
6480 doc
: /* Recognize right-alt and left-ctrl as AltGr.
6481 When nil, the right-alt and left-ctrl key combination is
6482 interpreted normally. */);
6483 Vw32_recognize_altgr
= Qt
;
6485 DEFVAR_BOOL ("w32-enable-unicode-output",
6486 &w32_enable_unicode_output
,
6487 doc
: /* Enable the use of Unicode for text output if non-nil.
6488 Unicode output may prevent some third party applications for displaying
6489 Far-East Languages on Windows 95/98 from working properly.
6490 NT uses Unicode internally anyway, so this flag will probably have no
6491 affect on NT machines. */);
6492 w32_enable_unicode_output
= 1;
6494 DEFVAR_BOOL ("w32-use-visible-system-caret",
6495 &w32_use_visible_system_caret
,
6496 doc
: /* Flag to make the system caret visible.
6497 When this is non-nil, Emacs will indicate the position of point by
6498 using the system caret instead of drawing its own cursor. Some screen
6499 reader software does not track the system cursor properly when it is
6500 invisible, and gets confused by Emacs drawing its own cursor, so this
6501 variable is initialized to t when Emacs detects that screen reader
6502 software is running as it starts up.
6504 When this variable is set, other variables affecting the appearance of
6505 the cursor have no effect. */);
6507 w32_use_visible_system_caret
= 0;
6509 /* We don't yet support this, but defining this here avoids whining
6510 from cus-start.el and other places, like "M-x set-variable". */
6511 DEFVAR_BOOL ("x-use-underline-position-properties",
6512 &x_use_underline_position_properties
,
6513 doc
: /* *Non-nil means make use of UNDERLINE_POSITION font properties.
6514 nil means ignore them. If you encounter fonts with bogus
6515 UNDERLINE_POSITION font properties, for example 7x13 on XFree prior
6516 to 4.1, set this to nil.
6518 NOTE: Not supported on MS-Windows yet. */);
6519 x_use_underline_position_properties
= 0;
6521 DEFVAR_LISP ("x-toolkit-scroll-bars", &Vx_toolkit_scroll_bars
,
6522 doc
: /* If not nil, Emacs uses toolkit scroll bars. */);
6523 Vx_toolkit_scroll_bars
= Qt
;
6525 staticpro (&last_mouse_motion_frame
);
6526 last_mouse_motion_frame
= Qnil
;
6529 /* arch-tag: 5fa70624-ab86-499c-8a85-473958ee4646
6530 (do not change this comment) */