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
, background_width
= s
->background_width
;
2393 int x
= s
->x
, left_x
= window_box_left_offset (s
->w
, TEXT_AREA
);
2397 background_width
-= left_x
- x
;
2400 width
= min (FRAME_COLUMN_WIDTH (s
->f
), background_width
);
2403 x_draw_glyph_string_bg_rect (s
, x
, s
->y
, width
, s
->height
);
2405 /* Clear rest using the GC of the original non-cursor face. */
2406 if (width
< background_width
)
2408 XGCValues
*gc
= s
->face
->gc
;
2410 int w
= background_width
- width
, h
= s
->height
;
2415 if (s
->row
->mouse_face_p
2416 && cursor_in_mouse_face_p (s
->w
))
2418 x_set_mouse_face_gc (s
);
2424 get_glyph_string_clip_rect (s
, &r
);
2425 w32_set_clip_rectangle (hdc
, &r
);
2427 #if 0 /* TODO: stipple */
2428 if (s
->face
->stipple
)
2430 /* Fill background with a stipple pattern. */
2431 XSetFillStyle (s
->display
, gc
, FillOpaqueStippled
);
2432 XFillRectangle (s
->display
, s
->window
, gc
, x
, y
, w
, h
);
2433 XSetFillStyle (s
->display
, gc
, FillSolid
);
2438 w32_fill_area (s
->f
, s
->hdc
, gc
->background
, x
, y
, w
, h
);
2442 else if (!s
->background_filled_p
)
2444 int background_width
= s
->background_width
;
2445 int x
= s
->x
, left_x
= window_box_left_offset (s
->w
, TEXT_AREA
);
2449 background_width
-= left_x
- x
;
2452 if (background_width
> 0)
2453 x_draw_glyph_string_bg_rect (s
, x
, s
->y
, background_width
, s
->height
);
2455 s
->background_filled_p
= 1;
2459 /* Draw glyph string S. */
2462 x_draw_glyph_string (s
)
2463 struct glyph_string
*s
;
2465 int relief_drawn_p
= 0;
2467 /* If S draws into the background of its successor, draw the
2468 background of the successor first so that S can draw into it.
2469 This makes S->next use XDrawString instead of XDrawImageString. */
2470 if (s
->next
&& s
->right_overhang
&& !s
->for_overlaps
)
2472 xassert (s
->next
->img
== NULL
);
2473 x_set_glyph_string_gc (s
->next
);
2474 x_set_glyph_string_clipping (s
->next
);
2475 x_draw_glyph_string_background (s
->next
, 1);
2478 /* Set up S->gc, set clipping and draw S. */
2479 x_set_glyph_string_gc (s
);
2481 /* Draw relief (if any) in advance for char/composition so that the
2482 glyph string can be drawn over it. */
2483 if (!s
->for_overlaps
2484 && s
->face
->box
!= FACE_NO_BOX
2485 && (s
->first_glyph
->type
== CHAR_GLYPH
2486 || s
->first_glyph
->type
== COMPOSITE_GLYPH
))
2489 x_set_glyph_string_clipping (s
);
2490 x_draw_glyph_string_background (s
, 1);
2491 x_draw_glyph_string_box (s
);
2492 x_set_glyph_string_clipping (s
);
2496 x_set_glyph_string_clipping (s
);
2498 switch (s
->first_glyph
->type
)
2501 x_draw_image_glyph_string (s
);
2505 x_draw_stretch_glyph_string (s
);
2509 if (s
->for_overlaps
)
2510 s
->background_filled_p
= 1;
2512 x_draw_glyph_string_background (s
, 0);
2513 x_draw_glyph_string_foreground (s
);
2516 case COMPOSITE_GLYPH
:
2517 if (s
->for_overlaps
|| s
->gidx
> 0)
2518 s
->background_filled_p
= 1;
2520 x_draw_glyph_string_background (s
, 1);
2521 x_draw_composite_glyph_string_foreground (s
);
2528 if (!s
->for_overlaps
)
2530 /* Draw underline. */
2531 if (s
->face
->underline_p
2532 && (s
->font
->bdf
|| !s
->font
->tm
.tmUnderlined
))
2534 unsigned long h
= 1;
2535 unsigned long dy
= s
->height
- h
;
2537 /* TODO: Use font information for positioning and thickness
2538 of underline. See OUTLINETEXTMETRIC, and xterm.c.
2539 Note: If you make this work, don't forget to change the
2540 doc string of x-use-underline-position-properties below. */
2541 if (s
->face
->underline_defaulted_p
)
2543 w32_fill_area (s
->f
, s
->hdc
, s
->gc
->foreground
, s
->x
,
2544 s
->y
+ dy
, s
->width
, 1);
2548 w32_fill_area (s
->f
, s
->hdc
, s
->face
->underline_color
, s
->x
,
2549 s
->y
+ dy
, s
->width
, 1);
2553 /* Draw overline. */
2554 if (s
->face
->overline_p
)
2556 unsigned long dy
= 0, h
= 1;
2558 if (s
->face
->overline_color_defaulted_p
)
2560 w32_fill_area (s
->f
, s
->hdc
, s
->gc
->foreground
, s
->x
,
2561 s
->y
+ dy
, s
->width
, h
);
2565 w32_fill_area (s
->f
, s
->hdc
, s
->face
->overline_color
, s
->x
,
2566 s
->y
+ dy
, s
->width
, h
);
2570 /* Draw strike-through. */
2571 if (s
->face
->strike_through_p
2572 && (s
->font
->bdf
|| !s
->font
->tm
.tmStruckOut
))
2574 unsigned long h
= 1;
2575 unsigned long dy
= (s
->height
- h
) / 2;
2577 if (s
->face
->strike_through_color_defaulted_p
)
2579 w32_fill_area (s
->f
, s
->hdc
, s
->gc
->foreground
, s
->x
, s
->y
+ dy
,
2584 w32_fill_area (s
->f
, s
->hdc
, s
->face
->underline_color
, s
->x
,
2585 s
->y
+ dy
, s
->width
, h
);
2590 if (!relief_drawn_p
&& s
->face
->box
!= FACE_NO_BOX
)
2591 x_draw_glyph_string_box (s
);
2594 /* Reset clipping. */
2595 w32_set_clip_rectangle (s
->hdc
, NULL
);
2599 /* Shift display to make room for inserted glyphs. */
2602 w32_shift_glyphs_for_insert (f
, x
, y
, width
, height
, shift_by
)
2604 int x
, y
, width
, height
, shift_by
;
2608 hdc
= get_frame_dc (f
);
2609 BitBlt (hdc
, x
+ shift_by
, y
, width
, height
,
2610 hdc
, x
, y
, SRCCOPY
);
2612 release_frame_dc (f
, hdc
);
2616 /* Delete N glyphs at the nominal cursor position. Not implemented
2628 f
= SELECTED_FRAME ();
2630 if (! FRAME_W32_P (f
))
2637 /* Clear entire frame. If updating_frame is non-null, clear that
2638 frame. Otherwise clear the selected frame. */
2648 f
= SELECTED_FRAME ();
2650 if (! FRAME_W32_P (f
))
2653 /* Clearing the frame will erase any cursor, so mark them all as no
2655 mark_window_cursors_off (XWINDOW (FRAME_ROOT_WINDOW (f
)));
2656 output_cursor
.hpos
= output_cursor
.vpos
= 0;
2657 output_cursor
.x
= -1;
2659 /* We don't set the output cursor here because there will always
2660 follow an explicit cursor_to. */
2663 w32_clear_window (f
);
2665 /* We have to clear the scroll bars, too. If we have changed
2666 colors or something like that, then they should be notified. */
2667 x_scroll_bar_clear (f
);
2673 /* Make audible bell. */
2676 w32_ring_bell (void)
2680 f
= SELECTED_FRAME ();
2684 if (FRAME_W32_P (f
) && visible_bell
)
2687 HWND hwnd
= FRAME_W32_WINDOW (SELECTED_FRAME ());
2689 for (i
= 0; i
< 5; i
++)
2691 FlashWindow (hwnd
, TRUE
);
2694 FlashWindow (hwnd
, FALSE
);
2697 w32_sys_ring_bell ();
2703 /* Specify how many text lines, from the top of the window,
2704 should be affected by insert-lines and delete-lines operations.
2705 This, and those operations, are used only within an update
2706 that is bounded by calls to x_update_begin and x_update_end. */
2709 w32_set_terminal_window (n
)
2712 /* This function intentionally left blank. */
2716 /***********************************************************************
2718 ***********************************************************************/
2720 /* Perform an insert-lines or delete-lines operation, inserting N
2721 lines or deleting -N lines at vertical position VPOS. */
2724 x_ins_del_lines (vpos
, n
)
2732 f
= SELECTED_FRAME ();
2734 if (! FRAME_W32_P (f
))
2741 /* Scroll part of the display as described by RUN. */
2744 x_scroll_run (w
, run
)
2748 struct frame
*f
= XFRAME (w
->frame
);
2749 int x
, y
, width
, height
, from_y
, to_y
, bottom_y
;
2750 HWND hwnd
= FRAME_W32_WINDOW (f
);
2753 /* Get frame-relative bounding box of the text display area of W,
2754 without mode lines. Include in this box the left and right
2756 window_box (w
, -1, &x
, &y
, &width
, &height
);
2758 from_y
= WINDOW_TO_FRAME_PIXEL_Y (w
, run
->current_y
);
2759 to_y
= WINDOW_TO_FRAME_PIXEL_Y (w
, run
->desired_y
);
2760 bottom_y
= y
+ height
;
2764 /* Scrolling up. Make sure we don't copy part of the mode
2765 line at the bottom. */
2766 if (from_y
+ run
->height
> bottom_y
)
2767 height
= bottom_y
- from_y
;
2769 height
= run
->height
;
2770 expect_dirty
= CreateRectRgn (x
, y
+ height
, x
+ width
, bottom_y
);
2774 /* Scolling down. Make sure we don't copy over the mode line.
2776 if (to_y
+ run
->height
> bottom_y
)
2777 height
= bottom_y
- to_y
;
2779 height
= run
->height
;
2780 expect_dirty
= CreateRectRgn (x
, y
, x
+ width
, to_y
);
2785 /* Cursor off. Will be switched on again in x_update_window_end. */
2792 HRGN dirty
= CreateRectRgn (0, 0, 0, 0);
2793 HRGN combined
= CreateRectRgn (0, 0, 0, 0);
2795 from
.left
= to
.left
= x
;
2796 from
.right
= to
.right
= x
+ width
;
2798 from
.bottom
= from_y
+ height
;
2800 to
.bottom
= bottom_y
;
2802 ScrollWindowEx (hwnd
, 0, to_y
- from_y
, &from
, &to
, dirty
,
2803 NULL
, SW_INVALIDATE
);
2805 /* Combine this with what we expect to be dirty. This covers the
2806 case where not all of the region we expect is actually dirty. */
2807 CombineRgn (combined
, dirty
, expect_dirty
, RGN_OR
);
2809 /* If the dirty region is not what we expected, redraw the entire frame. */
2810 if (!EqualRgn (combined
, expect_dirty
))
2811 SET_FRAME_GARBAGED (f
);
2813 DeleteObject (dirty
);
2814 DeleteObject (combined
);
2818 DeleteObject (expect_dirty
);
2823 /***********************************************************************
2825 ***********************************************************************/
2831 x_update_cursor (f
, 1);
2835 frame_unhighlight (f
)
2838 x_update_cursor (f
, 1);
2841 /* The focus has changed. Update the frames as necessary to reflect
2842 the new situation. Note that we can't change the selected frame
2843 here, because the Lisp code we are interrupting might become confused.
2844 Each event gets marked with the frame in which it occurred, so the
2845 Lisp code can tell when the switch took place by examining the events. */
2848 x_new_focus_frame (dpyinfo
, frame
)
2849 struct w32_display_info
*dpyinfo
;
2850 struct frame
*frame
;
2852 struct frame
*old_focus
= dpyinfo
->w32_focus_frame
;
2854 if (frame
!= dpyinfo
->w32_focus_frame
)
2856 /* Set this before calling other routines, so that they see
2857 the correct value of w32_focus_frame. */
2858 dpyinfo
->w32_focus_frame
= frame
;
2860 if (old_focus
&& old_focus
->auto_lower
)
2861 x_lower_frame (old_focus
);
2863 if (dpyinfo
->w32_focus_frame
&& dpyinfo
->w32_focus_frame
->auto_raise
)
2864 pending_autoraise_frame
= dpyinfo
->w32_focus_frame
;
2866 pending_autoraise_frame
= 0;
2869 x_frame_rehighlight (dpyinfo
);
2873 /* Handle FocusIn and FocusOut state changes for FRAME.
2874 If FRAME has focus and there exists more than one frame, puts
2875 a FOCUS_IN_EVENT into *BUFP. */
2878 x_focus_changed (type
, state
, dpyinfo
, frame
, bufp
)
2881 struct w32_display_info
*dpyinfo
;
2882 struct frame
*frame
;
2883 struct input_event
*bufp
;
2885 if (type
== WM_SETFOCUS
)
2887 if (dpyinfo
->w32_focus_event_frame
!= frame
)
2889 x_new_focus_frame (dpyinfo
, frame
);
2890 dpyinfo
->w32_focus_event_frame
= frame
;
2892 /* Don't stop displaying the initial startup message
2893 for a switch-frame event we don't need. */
2894 if (GC_NILP (Vterminal_frame
)
2895 && GC_CONSP (Vframe_list
)
2896 && !GC_NILP (XCDR (Vframe_list
)))
2898 bufp
->kind
= FOCUS_IN_EVENT
;
2899 XSETFRAME (bufp
->frame_or_window
, frame
);
2903 frame
->output_data
.x
->focus_state
|= state
;
2905 /* TODO: IME focus? */
2907 else if (type
== WM_KILLFOCUS
)
2909 frame
->output_data
.x
->focus_state
&= ~state
;
2911 if (dpyinfo
->w32_focus_event_frame
== frame
)
2913 dpyinfo
->w32_focus_event_frame
= 0;
2914 x_new_focus_frame (dpyinfo
, 0);
2917 /* TODO: IME focus? */
2922 /* The focus may have changed. Figure out if it is a real focus change,
2923 by checking both FocusIn/Out and Enter/LeaveNotify events.
2925 Returns FOCUS_IN_EVENT event in *BUFP. */
2928 w32_detect_focus_change (dpyinfo
, event
, bufp
)
2929 struct w32_display_info
*dpyinfo
;
2931 struct input_event
*bufp
;
2933 struct frame
*frame
;
2935 frame
= x_any_window_to_frame (dpyinfo
, event
->msg
.hwnd
);
2939 /* On w32, this is only called from focus events, so no switch needed. */
2940 x_focus_changed (event
->msg
.message
,
2941 (event
->msg
.message
== WM_KILLFOCUS
?
2942 FOCUS_IMPLICIT
: FOCUS_EXPLICIT
),
2943 dpyinfo
, frame
, bufp
);
2947 /* Handle an event saying the mouse has moved out of an Emacs frame. */
2950 x_mouse_leave (dpyinfo
)
2951 struct w32_display_info
*dpyinfo
;
2953 x_new_focus_frame (dpyinfo
, dpyinfo
->w32_focus_event_frame
);
2956 /* The focus has changed, or we have redirected a frame's focus to
2957 another frame (this happens when a frame uses a surrogate
2958 mini-buffer frame). Shift the highlight as appropriate.
2960 The FRAME argument doesn't necessarily have anything to do with which
2961 frame is being highlighted or un-highlighted; we only use it to find
2962 the appropriate X display info. */
2965 w32_frame_rehighlight (frame
)
2966 struct frame
*frame
;
2968 if (! FRAME_W32_P (frame
))
2970 x_frame_rehighlight (FRAME_W32_DISPLAY_INFO (frame
));
2974 x_frame_rehighlight (dpyinfo
)
2975 struct w32_display_info
*dpyinfo
;
2977 struct frame
*old_highlight
= dpyinfo
->x_highlight_frame
;
2979 if (dpyinfo
->w32_focus_frame
)
2981 dpyinfo
->x_highlight_frame
2982 = ((GC_FRAMEP (FRAME_FOCUS_FRAME (dpyinfo
->w32_focus_frame
)))
2983 ? XFRAME (FRAME_FOCUS_FRAME (dpyinfo
->w32_focus_frame
))
2984 : dpyinfo
->w32_focus_frame
);
2985 if (! FRAME_LIVE_P (dpyinfo
->x_highlight_frame
))
2987 FRAME_FOCUS_FRAME (dpyinfo
->w32_focus_frame
) = Qnil
;
2988 dpyinfo
->x_highlight_frame
= dpyinfo
->w32_focus_frame
;
2992 dpyinfo
->x_highlight_frame
= 0;
2994 if (dpyinfo
->x_highlight_frame
!= old_highlight
)
2997 frame_unhighlight (old_highlight
);
2998 if (dpyinfo
->x_highlight_frame
)
2999 frame_highlight (dpyinfo
->x_highlight_frame
);
3003 /* Keyboard processing - modifier keys, etc. */
3005 /* Convert a keysym to its name. */
3008 x_get_keysym_name (keysym
)
3011 /* Make static so we can always return it */
3012 static char value
[100];
3015 GetKeyNameText (keysym
, value
, 100);
3023 /* Mouse clicks and mouse movement. Rah. */
3025 /* Parse a button MESSAGE. The button index is returned in PBUTTON, and
3026 the state in PUP. XBUTTON provides extra information for extended mouse
3027 button messages. Returns FALSE if unable to parse the message. */
3029 parse_button (message
, xbutton
, pbutton
, pup
)
3040 case WM_LBUTTONDOWN
:
3048 case WM_MBUTTONDOWN
:
3049 if (NILP (Vw32_swap_mouse_buttons
))
3056 if (NILP (Vw32_swap_mouse_buttons
))
3062 case WM_RBUTTONDOWN
:
3063 if (NILP (Vw32_swap_mouse_buttons
))
3070 if (NILP (Vw32_swap_mouse_buttons
))
3076 case WM_XBUTTONDOWN
:
3077 button
= xbutton
+ 2;
3081 button
= xbutton
+ 2;
3089 if (pbutton
) *pbutton
= button
;
3095 /* Prepare a mouse-event in *RESULT for placement in the input queue.
3097 If the event is a button press, then note that we have grabbed
3101 construct_mouse_click (result
, msg
, f
)
3102 struct input_event
*result
;
3109 parse_button (msg
->msg
.message
, HIWORD (msg
->msg
.wParam
),
3112 /* Make the event type NO_EVENT; we'll change that when we decide
3114 result
->kind
= MOUSE_CLICK_EVENT
;
3115 result
->code
= button
;
3116 result
->timestamp
= msg
->msg
.time
;
3117 result
->modifiers
= (msg
->dwModifiers
3122 XSETINT (result
->x
, LOWORD (msg
->msg
.lParam
));
3123 XSETINT (result
->y
, HIWORD (msg
->msg
.lParam
));
3124 XSETFRAME (result
->frame_or_window
, f
);
3130 construct_mouse_wheel (result
, msg
, f
)
3131 struct input_event
*result
;
3138 result
->kind
= WHEEL_EVENT
;
3140 result
->timestamp
= msg
->msg
.time
;
3142 /* A WHEEL_DELTA positive value indicates that the wheel was rotated
3143 forward, away from the user (up); a negative value indicates that
3144 the wheel was rotated backward, toward the user (down). */
3145 delta
= GET_WHEEL_DELTA_WPARAM (msg
->msg
.wParam
);
3147 /* The up and down modifiers indicate if the wheel was rotated up or
3148 down based on WHEEL_DELTA value. */
3149 result
->modifiers
= (msg
->dwModifiers
3150 | ((delta
< 0 ) ? down_modifier
: up_modifier
));
3152 /* With multiple monitors, we can legitimately get negative
3153 coordinates, so cast to short to interpret them correctly. */
3154 p
.x
= (short) LOWORD (msg
->msg
.lParam
);
3155 p
.y
= (short) HIWORD (msg
->msg
.lParam
);
3156 ScreenToClient (msg
->msg
.hwnd
, &p
);
3157 XSETINT (result
->x
, p
.x
);
3158 XSETINT (result
->y
, p
.y
);
3159 XSETFRAME (result
->frame_or_window
, f
);
3165 construct_drag_n_drop (result
, msg
, f
)
3166 struct input_event
*result
;
3178 result
->kind
= DRAG_N_DROP_EVENT
;
3180 result
->timestamp
= msg
->msg
.time
;
3181 result
->modifiers
= msg
->dwModifiers
;
3183 hdrop
= (HDROP
) msg
->msg
.wParam
;
3184 DragQueryPoint (hdrop
, &p
);
3187 p
.x
= LOWORD (msg
->msg
.lParam
);
3188 p
.y
= HIWORD (msg
->msg
.lParam
);
3189 ScreenToClient (msg
->msg
.hwnd
, &p
);
3192 XSETINT (result
->x
, p
.x
);
3193 XSETINT (result
->y
, p
.y
);
3195 num_files
= DragQueryFile (hdrop
, 0xFFFFFFFF, NULL
, 0);
3198 for (i
= 0; i
< num_files
; i
++)
3200 len
= DragQueryFile (hdrop
, i
, NULL
, 0);
3203 name
= alloca (len
+ 1);
3204 DragQueryFile (hdrop
, i
, name
, len
+ 1);
3205 files
= Fcons (DECODE_FILE (build_string (name
)), files
);
3210 XSETFRAME (frame
, f
);
3211 result
->frame_or_window
= frame
;
3212 result
->arg
= files
;
3217 /* Function to report a mouse movement to the mainstream Emacs code.
3218 The input handler calls this.
3220 We have received a mouse movement event, which is given in *event.
3221 If the mouse is over a different glyph than it was last time, tell
3222 the mainstream emacs code by setting mouse_moved. If not, ask for
3223 another motion event, so we can check again the next time it moves. */
3225 static MSG last_mouse_motion_event
;
3226 static Lisp_Object last_mouse_motion_frame
;
3229 note_mouse_movement (frame
, msg
)
3233 int mouse_x
= LOWORD (msg
->lParam
);
3234 int mouse_y
= HIWORD (msg
->lParam
);
3236 last_mouse_movement_time
= msg
->time
;
3237 memcpy (&last_mouse_motion_event
, msg
, sizeof (last_mouse_motion_event
));
3238 XSETFRAME (last_mouse_motion_frame
, frame
);
3240 if (msg
->hwnd
!= FRAME_W32_WINDOW (frame
))
3242 frame
->mouse_moved
= 1;
3243 last_mouse_scroll_bar
= Qnil
;
3244 note_mouse_highlight (frame
, -1, -1);
3245 last_mouse_glyph_frame
= 0;
3249 /* Has the mouse moved off the glyph it was on at the last sighting? */
3250 if (frame
!= last_mouse_glyph_frame
3251 || mouse_x
< last_mouse_glyph
.left
3252 || mouse_x
>= last_mouse_glyph
.right
3253 || mouse_y
< last_mouse_glyph
.top
3254 || mouse_y
>= last_mouse_glyph
.bottom
)
3256 frame
->mouse_moved
= 1;
3257 last_mouse_scroll_bar
= Qnil
;
3258 note_mouse_highlight (frame
, mouse_x
, mouse_y
);
3259 /* Remember the mouse position here, as w32_mouse_position only
3260 gets called when mouse tracking is enabled but we also need
3261 to keep track of the mouse for help_echo and highlighting at
3263 remember_mouse_glyph (frame
, mouse_x
, mouse_y
, &last_mouse_glyph
);
3264 last_mouse_glyph_frame
= frame
;
3272 /************************************************************************
3274 ************************************************************************/
3276 static struct scroll_bar
*x_window_to_scroll_bar ();
3277 static void x_scroll_bar_report_motion ();
3278 static void x_check_fullscreen
P_ ((struct frame
*));
3281 redo_mouse_highlight ()
3283 if (!NILP (last_mouse_motion_frame
)
3284 && FRAME_LIVE_P (XFRAME (last_mouse_motion_frame
)))
3285 note_mouse_highlight (XFRAME (last_mouse_motion_frame
),
3286 LOWORD (last_mouse_motion_event
.lParam
),
3287 HIWORD (last_mouse_motion_event
.lParam
));
3291 w32_define_cursor (window
, cursor
)
3295 PostMessage (window
, WM_EMACS_SETCURSOR
, (WPARAM
) cursor
, 0);
3297 /* Return the current position of the mouse.
3298 *fp should be a frame which indicates which display to ask about.
3300 If the mouse movement started in a scroll bar, set *fp, *bar_window,
3301 and *part to the frame, window, and scroll bar part that the mouse
3302 is over. Set *x and *y to the portion and whole of the mouse's
3303 position on the scroll bar.
3305 If the mouse movement started elsewhere, set *fp to the frame the
3306 mouse is on, *bar_window to nil, and *x and *y to the character cell
3309 Set *time to the server time-stamp for the time at which the mouse
3310 was at this position.
3312 Don't store anything if we don't have a valid set of values to report.
3314 This clears the mouse_moved flag, so we can wait for the next mouse
3318 w32_mouse_position (fp
, insist
, bar_window
, part
, x
, y
, time
)
3321 Lisp_Object
*bar_window
;
3322 enum scroll_bar_part
*part
;
3324 unsigned long *time
;
3330 if (! NILP (last_mouse_scroll_bar
) && insist
== 0)
3331 x_scroll_bar_report_motion (fp
, bar_window
, part
, x
, y
, time
);
3336 Lisp_Object frame
, tail
;
3338 /* Clear the mouse-moved flag for every frame on this display. */
3339 FOR_EACH_FRAME (tail
, frame
)
3340 XFRAME (frame
)->mouse_moved
= 0;
3342 last_mouse_scroll_bar
= Qnil
;
3346 /* Now we have a position on the root; find the innermost window
3347 containing the pointer. */
3349 if (FRAME_W32_DISPLAY_INFO (*fp
)->grabbed
&& last_mouse_frame
3350 && FRAME_LIVE_P (last_mouse_frame
))
3352 /* If mouse was grabbed on a frame, give coords for that frame
3353 even if the mouse is now outside it. */
3354 f1
= last_mouse_frame
;
3358 /* Is window under mouse one of our frames? */
3359 f1
= x_any_window_to_frame (FRAME_W32_DISPLAY_INFO (*fp
),
3360 WindowFromPoint (pt
));
3363 /* If not, is it one of our scroll bars? */
3366 struct scroll_bar
*bar
3367 = x_window_to_scroll_bar (WindowFromPoint (pt
));
3371 f1
= XFRAME (WINDOW_FRAME (XWINDOW (bar
->window
)));
3375 if (f1
== 0 && insist
> 0)
3376 f1
= SELECTED_FRAME ();
3380 /* Ok, we found a frame. Store all the values.
3381 last_mouse_glyph is a rectangle used to reduce the
3382 generation of mouse events. To not miss any motion
3383 events, we must divide the frame into rectangles of the
3384 size of the smallest character that could be displayed
3385 on it, i.e. into the same rectangles that matrices on
3386 the frame are divided into. */
3388 ScreenToClient (FRAME_W32_WINDOW (f1
), &pt
);
3389 remember_mouse_glyph (f1
, pt
.x
, pt
.y
, &last_mouse_glyph
);
3390 last_mouse_glyph_frame
= f1
;
3397 *time
= last_mouse_movement_time
;
3406 /***********************************************************************
3408 ***********************************************************************/
3410 /* Handle mouse button event on the tool-bar of frame F, at
3411 frame-relative coordinates X/Y. EVENT_TYPE is either ButtionPress
3415 w32_handle_tool_bar_click (f
, button_event
)
3417 struct input_event
*button_event
;
3419 int x
= XFASTINT (button_event
->x
);
3420 int y
= XFASTINT (button_event
->y
);
3422 if (button_event
->modifiers
& down_modifier
)
3423 handle_tool_bar_click (f
, x
, y
, 1, 0);
3425 handle_tool_bar_click (f
, x
, y
, 0,
3426 button_event
->modifiers
& ~up_modifier
);
3431 /***********************************************************************
3433 ***********************************************************************/
3435 /* Scroll bar support. */
3437 /* Given a window ID, find the struct scroll_bar which manages it.
3438 This can be called in GC, so we have to make sure to strip off mark
3441 static struct scroll_bar
*
3442 x_window_to_scroll_bar (window_id
)
3447 for (tail
= Vframe_list
;
3448 XGCTYPE (tail
) == Lisp_Cons
;
3451 Lisp_Object frame
, bar
, condemned
;
3453 frame
= XCAR (tail
);
3454 /* All elements of Vframe_list should be frames. */
3455 if (! GC_FRAMEP (frame
))
3458 /* Scan this frame's scroll bar list for a scroll bar with the
3460 condemned
= FRAME_CONDEMNED_SCROLL_BARS (XFRAME (frame
));
3461 for (bar
= FRAME_SCROLL_BARS (XFRAME (frame
));
3462 /* This trick allows us to search both the ordinary and
3463 condemned scroll bar lists with one loop. */
3464 ! GC_NILP (bar
) || (bar
= condemned
,
3467 bar
= XSCROLL_BAR (bar
)->next
)
3468 if (SCROLL_BAR_W32_WINDOW (XSCROLL_BAR (bar
)) == window_id
)
3469 return XSCROLL_BAR (bar
);
3477 /* Set the thumb size and position of scroll bar BAR. We are currently
3478 displaying PORTION out of a whole WHOLE, and our position POSITION. */
3481 w32_set_scroll_bar_thumb (bar
, portion
, position
, whole
)
3482 struct scroll_bar
*bar
;
3483 int portion
, position
, whole
;
3485 Window w
= SCROLL_BAR_W32_WINDOW (bar
);
3486 double range
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
));
3487 int sb_page
, sb_pos
;
3488 BOOL draggingp
= !NILP (bar
->dragging
) ? TRUE
: FALSE
;
3492 /* Position scroll bar at rock bottom if the bottom of the
3493 buffer is visible. This avoids shinking the thumb away
3494 to nothing if it is held at the bottom of the buffer. */
3495 if (position
+ portion
>= whole
)
3497 sb_page
= range
* (whole
- position
) / whole
3498 + VERTICAL_SCROLL_BAR_MIN_HANDLE
;
3502 sb_page
= portion
* range
/ whole
+ VERTICAL_SCROLL_BAR_MIN_HANDLE
;
3503 sb_pos
= position
* range
/ whole
;
3513 if (pfnSetScrollInfo
)
3517 si
.cbSize
= sizeof (si
);
3518 /* Only update page size if currently dragging, to reduce
3521 si
.fMask
= SIF_PAGE
;
3523 si
.fMask
= SIF_PAGE
| SIF_POS
;
3527 pfnSetScrollInfo (w
, SB_CTL
, &si
, !draggingp
);
3530 SetScrollPos (w
, SB_CTL
, sb_pos
, !draggingp
);
3536 /************************************************************************
3537 Scroll bars, general
3538 ************************************************************************/
3541 my_create_scrollbar (f
, bar
)
3543 struct scroll_bar
* bar
;
3545 return (HWND
) SendMessage (FRAME_W32_WINDOW (f
),
3546 WM_EMACS_CREATESCROLLBAR
, (WPARAM
) f
,
3550 /*#define ATTACH_THREADS*/
3553 my_show_window (FRAME_PTR f
, HWND hwnd
, int how
)
3555 #ifndef ATTACH_THREADS
3556 return SendMessage (FRAME_W32_WINDOW (f
), WM_EMACS_SHOWWINDOW
,
3557 (WPARAM
) hwnd
, (LPARAM
) how
);
3559 return ShowWindow (hwnd
, how
);
3564 my_set_window_pos (HWND hwnd
, HWND hwndAfter
,
3565 int x
, int y
, int cx
, int cy
, UINT flags
)
3567 #ifndef ATTACH_THREADS
3569 pos
.hwndInsertAfter
= hwndAfter
;
3575 SendMessage (hwnd
, WM_EMACS_SETWINDOWPOS
, (WPARAM
) &pos
, 0);
3577 SetWindowPos (hwnd
, hwndAfter
, x
, y
, cx
, cy
, flags
);
3582 my_set_focus (f
, hwnd
)
3586 SendMessage (FRAME_W32_WINDOW (f
), WM_EMACS_SETFOCUS
,
3591 my_set_foreground_window (hwnd
)
3594 SendMessage (hwnd
, WM_EMACS_SETFOREGROUND
, (WPARAM
) hwnd
, 0);
3599 my_destroy_window (f
, hwnd
)
3603 SendMessage (FRAME_W32_WINDOW (f
), WM_EMACS_DESTROYWINDOW
,
3607 /* Create a scroll bar and return the scroll bar vector for it. W is
3608 the Emacs window on which to create the scroll bar. TOP, LEFT,
3609 WIDTH and HEIGHT are.the pixel coordinates and dimensions of the
3612 static struct scroll_bar
*
3613 x_scroll_bar_create (w
, top
, left
, width
, height
)
3615 int top
, left
, width
, height
;
3617 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
3619 struct scroll_bar
*bar
3620 = XSCROLL_BAR (Fmake_vector (make_number (SCROLL_BAR_VEC_SIZE
), Qnil
));
3624 XSETWINDOW (bar
->window
, w
);
3625 XSETINT (bar
->top
, top
);
3626 XSETINT (bar
->left
, left
);
3627 XSETINT (bar
->width
, width
);
3628 XSETINT (bar
->height
, height
);
3629 XSETINT (bar
->start
, 0);
3630 XSETINT (bar
->end
, 0);
3631 bar
->dragging
= Qnil
;
3633 /* Requires geometry to be set before call to create the real window */
3635 hwnd
= my_create_scrollbar (f
, bar
);
3637 if (pfnSetScrollInfo
)
3641 si
.cbSize
= sizeof (si
);
3644 si
.nMax
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, height
)
3645 + VERTICAL_SCROLL_BAR_MIN_HANDLE
;
3649 pfnSetScrollInfo (hwnd
, SB_CTL
, &si
, FALSE
);
3653 SetScrollRange (hwnd
, SB_CTL
, 0,
3654 VERTICAL_SCROLL_BAR_TOP_RANGE (f
, height
), FALSE
);
3655 SetScrollPos (hwnd
, SB_CTL
, 0, FALSE
);
3658 SET_SCROLL_BAR_W32_WINDOW (bar
, hwnd
);
3660 /* Add bar to its frame's list of scroll bars. */
3661 bar
->next
= FRAME_SCROLL_BARS (f
);
3663 XSETVECTOR (FRAME_SCROLL_BARS (f
), bar
);
3664 if (! NILP (bar
->next
))
3665 XSETVECTOR (XSCROLL_BAR (bar
->next
)->prev
, bar
);
3673 /* Destroy scroll bar BAR, and set its Emacs window's scroll bar to
3677 x_scroll_bar_remove (bar
)
3678 struct scroll_bar
*bar
;
3680 FRAME_PTR f
= XFRAME (WINDOW_FRAME (XWINDOW (bar
->window
)));
3684 /* Destroy the window. */
3685 my_destroy_window (f
, SCROLL_BAR_W32_WINDOW (bar
));
3687 /* Disassociate this scroll bar from its window. */
3688 XWINDOW (bar
->window
)->vertical_scroll_bar
= Qnil
;
3693 /* Set the handle of the vertical scroll bar for WINDOW to indicate
3694 that we are displaying PORTION characters out of a total of WHOLE
3695 characters, starting at POSITION. If WINDOW has no scroll bar,
3698 w32_set_vertical_scroll_bar (w
, portion
, whole
, position
)
3700 int portion
, whole
, position
;
3702 struct frame
*f
= XFRAME (w
->frame
);
3703 struct scroll_bar
*bar
;
3704 int top
, height
, left
, sb_left
, width
, sb_width
;
3705 int window_y
, window_height
;
3707 /* Get window dimensions. */
3708 window_box (w
, -1, 0, &window_y
, 0, &window_height
);
3710 width
= WINDOW_CONFIG_SCROLL_BAR_COLS (w
) * FRAME_COLUMN_WIDTH (f
);
3711 height
= window_height
;
3713 /* Compute the left edge of the scroll bar area. */
3714 left
= WINDOW_SCROLL_BAR_AREA_X (w
);
3716 /* Compute the width of the scroll bar which might be less than
3717 the width of the area reserved for the scroll bar. */
3718 if (WINDOW_CONFIG_SCROLL_BAR_WIDTH (w
) > 0)
3719 sb_width
= WINDOW_CONFIG_SCROLL_BAR_WIDTH (w
);
3723 /* Compute the left edge of the scroll bar. */
3724 if (WINDOW_HAS_VERTICAL_SCROLL_BAR_ON_RIGHT (w
))
3725 sb_left
= left
+ width
- sb_width
- (width
- sb_width
) / 2;
3727 sb_left
= left
+ (width
- sb_width
) / 2;
3729 /* Does the scroll bar exist yet? */
3730 if (NILP (w
->vertical_scroll_bar
))
3734 if (width
> 0 && height
> 0)
3736 hdc
= get_frame_dc (f
);
3737 w32_clear_area (f
, hdc
, left
, top
, width
, height
);
3738 release_frame_dc (f
, hdc
);
3742 bar
= x_scroll_bar_create (w
, top
, sb_left
, sb_width
, height
);
3746 /* It may just need to be moved and resized. */
3749 bar
= XSCROLL_BAR (w
->vertical_scroll_bar
);
3750 hwnd
= SCROLL_BAR_W32_WINDOW (bar
);
3752 /* If already correctly positioned, do nothing. */
3753 if ( XINT (bar
->left
) == sb_left
3754 && XINT (bar
->top
) == top
3755 && XINT (bar
->width
) == sb_width
3756 && XINT (bar
->height
) == height
)
3758 /* Redraw after clear_frame. */
3759 if (!my_show_window (f
, hwnd
, SW_NORMAL
))
3760 InvalidateRect (hwnd
, NULL
, FALSE
);
3766 if (width
&& height
)
3768 hdc
= get_frame_dc (f
);
3769 /* Since Windows scroll bars are smaller than the space reserved
3770 for them on the frame, we have to clear "under" them. */
3771 w32_clear_area (f
, hdc
,
3776 release_frame_dc (f
, hdc
);
3778 /* Make sure scroll bar is "visible" before moving, to ensure the
3779 area of the parent window now exposed will be refreshed. */
3780 my_show_window (f
, hwnd
, SW_HIDE
);
3781 MoveWindow (hwnd
, sb_left
+ VERTICAL_SCROLL_BAR_WIDTH_TRIM
,
3782 top
, sb_width
- VERTICAL_SCROLL_BAR_WIDTH_TRIM
* 2,
3783 max (height
, 1), TRUE
);
3784 if (pfnSetScrollInfo
)
3788 si
.cbSize
= sizeof (si
);
3789 si
.fMask
= SIF_RANGE
;
3791 si
.nMax
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, height
)
3792 + VERTICAL_SCROLL_BAR_MIN_HANDLE
;
3794 pfnSetScrollInfo (hwnd
, SB_CTL
, &si
, FALSE
);
3797 SetScrollRange (hwnd
, SB_CTL
, 0,
3798 VERTICAL_SCROLL_BAR_TOP_RANGE (f
, height
), FALSE
);
3799 my_show_window (f
, hwnd
, SW_NORMAL
);
3800 /* InvalidateRect (w, NULL, FALSE); */
3802 /* Remember new settings. */
3803 XSETINT (bar
->left
, sb_left
);
3804 XSETINT (bar
->top
, top
);
3805 XSETINT (bar
->width
, sb_width
);
3806 XSETINT (bar
->height
, height
);
3811 w32_set_scroll_bar_thumb (bar
, portion
, position
, whole
);
3813 XSETVECTOR (w
->vertical_scroll_bar
, bar
);
3817 /* The following three hooks are used when we're doing a thorough
3818 redisplay of the frame. We don't explicitly know which scroll bars
3819 are going to be deleted, because keeping track of when windows go
3820 away is a real pain - "Can you say set-window-configuration, boys
3821 and girls?" Instead, we just assert at the beginning of redisplay
3822 that *all* scroll bars are to be removed, and then save a scroll bar
3823 from the fiery pit when we actually redisplay its window. */
3825 /* Arrange for all scroll bars on FRAME to be removed at the next call
3826 to `*judge_scroll_bars_hook'. A scroll bar may be spared if
3827 `*redeem_scroll_bar_hook' is applied to its window before the judgment. */
3830 w32_condemn_scroll_bars (frame
)
3833 /* Transfer all the scroll bars to FRAME_CONDEMNED_SCROLL_BARS. */
3834 while (! NILP (FRAME_SCROLL_BARS (frame
)))
3837 bar
= FRAME_SCROLL_BARS (frame
);
3838 FRAME_SCROLL_BARS (frame
) = XSCROLL_BAR (bar
)->next
;
3839 XSCROLL_BAR (bar
)->next
= FRAME_CONDEMNED_SCROLL_BARS (frame
);
3840 XSCROLL_BAR (bar
)->prev
= Qnil
;
3841 if (! NILP (FRAME_CONDEMNED_SCROLL_BARS (frame
)))
3842 XSCROLL_BAR (FRAME_CONDEMNED_SCROLL_BARS (frame
))->prev
= bar
;
3843 FRAME_CONDEMNED_SCROLL_BARS (frame
) = bar
;
3848 /* Un-mark WINDOW's scroll bar for deletion in this judgment cycle.
3849 Note that WINDOW isn't necessarily condemned at all. */
3852 w32_redeem_scroll_bar (window
)
3853 struct window
*window
;
3855 struct scroll_bar
*bar
;
3858 /* We can't redeem this window's scroll bar if it doesn't have one. */
3859 if (NILP (window
->vertical_scroll_bar
))
3862 bar
= XSCROLL_BAR (window
->vertical_scroll_bar
);
3864 /* Unlink it from the condemned list. */
3865 f
= XFRAME (WINDOW_FRAME (window
));
3866 if (NILP (bar
->prev
))
3868 /* If the prev pointer is nil, it must be the first in one of
3870 if (EQ (FRAME_SCROLL_BARS (f
), window
->vertical_scroll_bar
))
3871 /* It's not condemned. Everything's fine. */
3873 else if (EQ (FRAME_CONDEMNED_SCROLL_BARS (f
),
3874 window
->vertical_scroll_bar
))
3875 FRAME_CONDEMNED_SCROLL_BARS (f
) = bar
->next
;
3877 /* If its prev pointer is nil, it must be at the front of
3878 one or the other! */
3882 XSCROLL_BAR (bar
->prev
)->next
= bar
->next
;
3884 if (! NILP (bar
->next
))
3885 XSCROLL_BAR (bar
->next
)->prev
= bar
->prev
;
3887 bar
->next
= FRAME_SCROLL_BARS (f
);
3889 XSETVECTOR (FRAME_SCROLL_BARS (f
), bar
);
3890 if (! NILP (bar
->next
))
3891 XSETVECTOR (XSCROLL_BAR (bar
->next
)->prev
, bar
);
3894 /* Remove all scroll bars on FRAME that haven't been saved since the
3895 last call to `*condemn_scroll_bars_hook'. */
3898 w32_judge_scroll_bars (f
)
3901 Lisp_Object bar
, next
;
3903 bar
= FRAME_CONDEMNED_SCROLL_BARS (f
);
3905 /* Clear out the condemned list now so we won't try to process any
3906 more events on the hapless scroll bars. */
3907 FRAME_CONDEMNED_SCROLL_BARS (f
) = Qnil
;
3909 for (; ! NILP (bar
); bar
= next
)
3911 struct scroll_bar
*b
= XSCROLL_BAR (bar
);
3913 x_scroll_bar_remove (b
);
3916 b
->next
= b
->prev
= Qnil
;
3919 /* Now there should be no references to the condemned scroll bars,
3920 and they should get garbage-collected. */
3923 /* Handle a mouse click on the scroll bar BAR. If *EMACS_EVENT's kind
3924 is set to something other than NO_EVENT, it is enqueued.
3926 This may be called from a signal handler, so we have to ignore GC
3930 w32_scroll_bar_handle_click (bar
, msg
, emacs_event
)
3931 struct scroll_bar
*bar
;
3933 struct input_event
*emacs_event
;
3935 if (! GC_WINDOWP (bar
->window
))
3938 emacs_event
->kind
= W32_SCROLL_BAR_CLICK_EVENT
;
3939 emacs_event
->code
= 0;
3940 /* not really meaningful to distinguish up/down */
3941 emacs_event
->modifiers
= msg
->dwModifiers
;
3942 emacs_event
->frame_or_window
= bar
->window
;
3943 emacs_event
->arg
= Qnil
;
3944 emacs_event
->timestamp
= msg
->msg
.time
;
3947 int top_range
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
));
3949 int dragging
= !NILP (bar
->dragging
);
3951 if (pfnGetScrollInfo
)
3955 si
.cbSize
= sizeof (si
);
3958 pfnGetScrollInfo ((HWND
) msg
->msg
.lParam
, SB_CTL
, &si
);
3962 y
= GetScrollPos ((HWND
) msg
->msg
.lParam
, SB_CTL
);
3964 bar
->dragging
= Qnil
;
3967 last_mouse_scroll_bar_pos
= msg
->msg
.wParam
;
3969 switch (LOWORD (msg
->msg
.wParam
))
3972 emacs_event
->part
= scroll_bar_down_arrow
;
3975 emacs_event
->part
= scroll_bar_up_arrow
;
3978 emacs_event
->part
= scroll_bar_above_handle
;
3981 emacs_event
->part
= scroll_bar_below_handle
;
3984 emacs_event
->part
= scroll_bar_handle
;
3988 emacs_event
->part
= scroll_bar_handle
;
3992 case SB_THUMBPOSITION
:
3993 if (VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
)) <= 0xffff)
3994 y
= HIWORD (msg
->msg
.wParam
);
3996 emacs_event
->part
= scroll_bar_handle
;
3998 /* "Silently" update current position. */
3999 if (pfnSetScrollInfo
)
4003 si
.cbSize
= sizeof (si
);
4006 /* Remember apparent position (we actually lag behind the real
4007 position, so don't set that directly. */
4008 last_scroll_bar_drag_pos
= y
;
4010 pfnSetScrollInfo (SCROLL_BAR_W32_WINDOW (bar
), SB_CTL
, &si
, FALSE
);
4013 SetScrollPos (SCROLL_BAR_W32_WINDOW (bar
), SB_CTL
, y
, FALSE
);
4016 /* If this is the end of a drag sequence, then reset the scroll
4017 handle size to normal and do a final redraw. Otherwise do
4021 if (pfnSetScrollInfo
)
4024 int start
= XINT (bar
->start
);
4025 int end
= XINT (bar
->end
);
4027 si
.cbSize
= sizeof (si
);
4028 si
.fMask
= SIF_PAGE
| SIF_POS
;
4029 si
.nPage
= end
- start
+ VERTICAL_SCROLL_BAR_MIN_HANDLE
;
4030 si
.nPos
= last_scroll_bar_drag_pos
;
4031 pfnSetScrollInfo (SCROLL_BAR_W32_WINDOW (bar
), SB_CTL
, &si
, TRUE
);
4034 SetScrollPos (SCROLL_BAR_W32_WINDOW (bar
), SB_CTL
, y
, TRUE
);
4038 emacs_event
->kind
= NO_EVENT
;
4042 XSETINT (emacs_event
->x
, y
);
4043 XSETINT (emacs_event
->y
, top_range
);
4049 /* Return information to the user about the current position of the mouse
4050 on the scroll bar. */
4053 x_scroll_bar_report_motion (fp
, bar_window
, part
, x
, y
, time
)
4055 Lisp_Object
*bar_window
;
4056 enum scroll_bar_part
*part
;
4058 unsigned long *time
;
4060 struct scroll_bar
*bar
= XSCROLL_BAR (last_mouse_scroll_bar
);
4061 Window w
= SCROLL_BAR_W32_WINDOW (bar
);
4062 FRAME_PTR f
= XFRAME (WINDOW_FRAME (XWINDOW (bar
->window
)));
4064 int top_range
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
));
4069 *bar_window
= bar
->window
;
4071 if (pfnGetScrollInfo
)
4075 si
.cbSize
= sizeof (si
);
4076 si
.fMask
= SIF_POS
| SIF_PAGE
| SIF_RANGE
;
4078 pfnGetScrollInfo (w
, SB_CTL
, &si
);
4080 top_range
= si
.nMax
- si
.nPage
+ 1;
4083 pos
= GetScrollPos (w
, SB_CTL
);
4085 switch (LOWORD (last_mouse_scroll_bar_pos
))
4087 case SB_THUMBPOSITION
:
4089 *part
= scroll_bar_handle
;
4090 if (VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
)) <= 0xffff)
4091 pos
= HIWORD (last_mouse_scroll_bar_pos
);
4094 *part
= scroll_bar_handle
;
4098 *part
= scroll_bar_handle
;
4103 XSETINT (*y
, top_range
);
4106 last_mouse_scroll_bar
= Qnil
;
4108 *time
= last_mouse_movement_time
;
4114 /* The screen has been cleared so we may have changed foreground or
4115 background colors, and the scroll bars may need to be redrawn.
4116 Clear out the scroll bars, and ask for expose events, so we can
4120 x_scroll_bar_clear (f
)
4125 /* We can have scroll bars even if this is 0,
4126 if we just turned off scroll bar mode.
4127 But in that case we should not clear them. */
4128 if (FRAME_HAS_VERTICAL_SCROLL_BARS (f
))
4129 for (bar
= FRAME_SCROLL_BARS (f
); VECTORP (bar
);
4130 bar
= XSCROLL_BAR (bar
)->next
)
4132 HWND window
= SCROLL_BAR_W32_WINDOW (XSCROLL_BAR (bar
));
4133 HDC hdc
= GetDC (window
);
4136 /* Hide scroll bar until ready to repaint. x_scroll_bar_move
4137 arranges to refresh the scroll bar if hidden. */
4138 my_show_window (f
, window
, SW_HIDE
);
4140 GetClientRect (window
, &rect
);
4141 select_palette (f
, hdc
);
4142 w32_clear_rect (f
, hdc
, &rect
);
4143 deselect_palette (f
, hdc
);
4145 ReleaseDC (window
, hdc
);
4150 /* The main W32 event-reading loop - w32_read_socket. */
4152 /* Record the last 100 characters stored
4153 to help debug the loss-of-chars-during-GC problem. */
4155 static int temp_index
;
4156 static short temp_buffer
[100];
4159 /* Read events coming from the W32 shell.
4160 This routine is called by the SIGIO handler.
4161 We return as soon as there are no more events to be read.
4163 We return the number of characters stored into the buffer,
4164 thus pretending to be `read'.
4166 EXPECTED is nonzero if the caller knows input is available.
4168 Some of these messages are reposted back to the message queue since the
4169 system calls the windows proc directly in a context where we cannot return
4170 the data nor can we guarantee the state we are in. So if we dispatch them
4171 we will get into an infinite loop. To prevent this from ever happening we
4172 will set a variable to indicate we are in the read_socket call and indicate
4173 which message we are processing since the windows proc gets called
4174 recursively with different messages by the system.
4178 w32_read_socket (sd
, expected
, hold_quit
)
4181 struct input_event
*hold_quit
;
4184 int check_visibility
= 0;
4187 struct w32_display_info
*dpyinfo
= &one_w32_display_info
;
4189 if (interrupt_input_blocked
)
4191 interrupt_input_pending
= 1;
4195 interrupt_input_pending
= 0;
4198 /* So people can tell when we have read the available input. */
4199 input_signal_count
++;
4201 /* TODO: ghostscript integration. */
4202 while (get_next_msg (&msg
, FALSE
))
4204 struct input_event inev
;
4208 inev
.kind
= NO_EVENT
;
4211 switch (msg
.msg
.message
)
4214 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4218 if (msg
.rect
.right
== msg
.rect
.left
||
4219 msg
.rect
.bottom
== msg
.rect
.top
)
4221 /* We may get paint messages even though the client
4222 area is clipped - these are not expose events. */
4223 DebPrint (("clipped frame %p (%s) got WM_PAINT - ignored\n", f
,
4226 else if (f
->async_visible
!= 1)
4228 /* Definitely not obscured, so mark as visible. */
4229 f
->async_visible
= 1;
4230 f
->async_iconified
= 0;
4231 SET_FRAME_GARBAGED (f
);
4232 DebPrint (("frame %p (%s) reexposed by WM_PAINT\n", f
,
4235 /* WM_PAINT serves as MapNotify as well, so report
4236 visibility changes properly. */
4239 inev
.kind
= DEICONIFY_EVENT
;
4240 XSETFRAME (inev
.frame_or_window
, f
);
4242 else if (! NILP (Vframe_list
)
4243 && ! NILP (XCDR (Vframe_list
)))
4244 /* Force a redisplay sooner or later to update the
4245 frame titles in case this is the second frame. */
4246 record_asynch_buffer_change ();
4250 HDC hdc
= get_frame_dc (f
);
4252 /* Erase background again for safety. */
4253 w32_clear_rect (f
, hdc
, &msg
.rect
);
4254 release_frame_dc (f
, hdc
);
4258 msg
.rect
.right
- msg
.rect
.left
,
4259 msg
.rect
.bottom
- msg
.rect
.top
);
4264 case WM_INPUTLANGCHANGE
:
4265 /* Generate a language change event. */
4266 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4270 inev
.kind
= LANGUAGE_CHANGE_EVENT
;
4271 XSETFRAME (inev
.frame_or_window
, f
);
4272 inev
.code
= msg
.msg
.wParam
;
4273 inev
.modifiers
= msg
.msg
.lParam
& 0xffff;
4279 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4281 if (f
&& !f
->iconified
)
4283 if (!dpyinfo
->mouse_face_hidden
&& INTEGERP (Vmouse_highlight
)
4284 && !EQ (f
->tool_bar_window
, dpyinfo
->mouse_face_window
))
4286 clear_mouse_face (dpyinfo
);
4287 dpyinfo
->mouse_face_hidden
= 1;
4290 if (temp_index
== sizeof temp_buffer
/ sizeof (short))
4292 temp_buffer
[temp_index
++] = msg
.msg
.wParam
;
4293 inev
.kind
= NON_ASCII_KEYSTROKE_EVENT
;
4294 inev
.code
= msg
.msg
.wParam
;
4295 inev
.modifiers
= msg
.dwModifiers
;
4296 XSETFRAME (inev
.frame_or_window
, f
);
4297 inev
.timestamp
= msg
.msg
.time
;
4303 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4305 if (f
&& !f
->iconified
)
4307 if (!dpyinfo
->mouse_face_hidden
&& INTEGERP (Vmouse_highlight
)
4308 && !EQ (f
->tool_bar_window
, dpyinfo
->mouse_face_window
))
4310 clear_mouse_face (dpyinfo
);
4311 dpyinfo
->mouse_face_hidden
= 1;
4314 if (temp_index
== sizeof temp_buffer
/ sizeof (short))
4316 temp_buffer
[temp_index
++] = msg
.msg
.wParam
;
4317 inev
.kind
= ASCII_KEYSTROKE_EVENT
;
4318 inev
.code
= msg
.msg
.wParam
;
4319 inev
.modifiers
= msg
.dwModifiers
;
4320 XSETFRAME (inev
.frame_or_window
, f
);
4321 inev
.timestamp
= msg
.msg
.time
;
4326 /* Ignore non-movement. */
4328 int x
= LOWORD (msg
.msg
.lParam
);
4329 int y
= HIWORD (msg
.msg
.lParam
);
4330 if (x
== last_mousemove_x
&& y
== last_mousemove_y
)
4332 last_mousemove_x
= x
;
4333 last_mousemove_y
= y
;
4336 previous_help_echo_string
= help_echo_string
;
4337 help_echo_string
= Qnil
;
4339 if (dpyinfo
->grabbed
&& last_mouse_frame
4340 && FRAME_LIVE_P (last_mouse_frame
))
4341 f
= last_mouse_frame
;
4343 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4345 if (dpyinfo
->mouse_face_hidden
)
4347 dpyinfo
->mouse_face_hidden
= 0;
4348 clear_mouse_face (dpyinfo
);
4353 /* Generate SELECT_WINDOW_EVENTs when needed. */
4354 if (mouse_autoselect_window
)
4357 int x
= LOWORD (msg
.msg
.lParam
);
4358 int y
= HIWORD (msg
.msg
.lParam
);
4360 window
= window_from_coordinates (f
, x
, y
, 0, 0, 0, 0);
4362 /* Window will be selected only when it is not
4363 selected now and last mouse movement event was
4364 not in it. Minibuffer window will be selected
4365 iff it is active. */
4367 && !EQ (window
, last_window
)
4368 && !EQ (window
, selected_window
))
4370 inev
.kind
= SELECT_WINDOW_EVENT
;
4371 inev
.frame_or_window
= window
;
4376 if (!note_mouse_movement (f
, &msg
.msg
))
4377 help_echo_string
= previous_help_echo_string
;
4381 /* If we move outside the frame, then we're
4382 certainly no longer on any text in the frame. */
4383 clear_mouse_face (dpyinfo
);
4386 /* If the contents of the global variable help_echo_string
4387 has changed, generate a HELP_EVENT. */
4388 #if 0 /* The below is an invalid comparison when USE_LISP_UNION_TYPE.
4389 But it was originally changed to this to fix a bug, so I have
4390 not removed it completely in case the bug is still there. */
4391 if (help_echo_string
!= previous_help_echo_string
||
4392 (!NILP (help_echo_string
) && !STRINGP (help_echo_string
) && f
->mouse_moved
))
4393 #else /* This is what xterm.c does. */
4394 if (!NILP (help_echo_string
)
4395 || !NILP (previous_help_echo_string
))
4400 case WM_LBUTTONDOWN
:
4402 case WM_MBUTTONDOWN
:
4404 case WM_RBUTTONDOWN
:
4406 case WM_XBUTTONDOWN
:
4409 /* If we decide we want to generate an event to be seen
4410 by the rest of Emacs, we put it here. */
4415 if (dpyinfo
->grabbed
&& last_mouse_frame
4416 && FRAME_LIVE_P (last_mouse_frame
))
4417 f
= last_mouse_frame
;
4419 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4423 construct_mouse_click (&inev
, &msg
, f
);
4425 /* Is this in the tool-bar? */
4426 if (WINDOWP (f
->tool_bar_window
)
4427 && WINDOW_TOTAL_LINES (XWINDOW (f
->tool_bar_window
)))
4430 int x
= XFASTINT (inev
.x
);
4431 int y
= XFASTINT (inev
.y
);
4433 window
= window_from_coordinates (f
, x
, y
, 0, 0, 0, 1);
4435 if (EQ (window
, f
->tool_bar_window
))
4437 w32_handle_tool_bar_click (f
, &inev
);
4443 || (dpyinfo
->w32_focus_frame
4444 && f
!= dpyinfo
->w32_focus_frame
))
4445 inev
.kind
= NO_EVENT
;
4448 parse_button (msg
.msg
.message
, HIWORD (msg
.msg
.wParam
),
4453 dpyinfo
->grabbed
&= ~ (1 << button
);
4457 dpyinfo
->grabbed
|= (1 << button
);
4458 last_mouse_frame
= f
;
4459 /* Ignore any mouse motion that happened
4460 before this event; any subsequent mouse-movement
4461 Emacs events should reflect only motion after
4467 last_tool_bar_item
= -1;
4474 if (dpyinfo
->grabbed
&& last_mouse_frame
4475 && FRAME_LIVE_P (last_mouse_frame
))
4476 f
= last_mouse_frame
;
4478 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4483 if (!dpyinfo
->w32_focus_frame
4484 || f
== dpyinfo
->w32_focus_frame
)
4486 /* Emit an Emacs wheel-up/down event. */
4487 construct_mouse_wheel (&inev
, &msg
, f
);
4489 /* Ignore any mouse motion that happened before this
4490 event; any subsequent mouse-movement Emacs events
4491 should reflect only motion after the
4495 last_mouse_frame
= f
;
4496 last_tool_bar_item
= -1;
4501 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4504 construct_drag_n_drop (&inev
, &msg
, f
);
4509 struct scroll_bar
*bar
=
4510 x_window_to_scroll_bar ((HWND
)msg
.msg
.lParam
);
4513 w32_scroll_bar_handle_click (bar
, &msg
, &inev
);
4517 case WM_WINDOWPOSCHANGED
:
4518 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4521 if (f
->want_fullscreen
& FULLSCREEN_WAIT
)
4522 f
->want_fullscreen
&= ~(FULLSCREEN_WAIT
|FULLSCREEN_BOTH
);
4524 check_visibility
= 1;
4528 case WM_ACTIVATEAPP
:
4529 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4531 x_check_fullscreen (f
);
4532 check_visibility
= 1;
4536 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4538 if (f
&& !f
->async_iconified
)
4542 x_real_positions (f
, &x
, &y
);
4547 check_visibility
= 1;
4551 /* wParam non-zero means Window is about to be shown, 0 means
4552 about to be hidden. */
4553 /* Redo the mouse-highlight after the tooltip has gone. */
4554 if (!msg
.msg
.wParam
&& msg
.msg
.hwnd
== tip_window
)
4557 redo_mouse_highlight ();
4560 /* If window has been obscured or exposed by another window
4561 being maximised or minimised/restored, then recheck
4562 visibility of all frames. Direct changes to our own
4563 windows get handled by WM_SIZE. */
4565 if (msg
.msg
.lParam
!= 0)
4566 check_visibility
= 1;
4569 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4570 f
->async_visible
= msg
.msg
.wParam
;
4574 check_visibility
= 1;
4578 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4580 /* Inform lisp of whether frame has been iconified etc. */
4583 switch (msg
.msg
.wParam
)
4585 case SIZE_MINIMIZED
:
4586 f
->async_visible
= 0;
4587 f
->async_iconified
= 1;
4589 inev
.kind
= ICONIFY_EVENT
;
4590 XSETFRAME (inev
.frame_or_window
, f
);
4593 case SIZE_MAXIMIZED
:
4595 f
->async_visible
= 1;
4596 f
->async_iconified
= 0;
4598 /* wait_reading_process_output will notice this and update
4599 the frame's display structures. */
4600 SET_FRAME_GARBAGED (f
);
4606 /* Reset top and left positions of the Window
4607 here since Windows sends a WM_MOVE message
4608 BEFORE telling us the Window is minimized
4609 when the Window is iconified, with 3000,3000
4611 x_real_positions (f
, &x
, &y
);
4615 inev
.kind
= DEICONIFY_EVENT
;
4616 XSETFRAME (inev
.frame_or_window
, f
);
4618 else if (! NILP (Vframe_list
)
4619 && ! NILP (XCDR (Vframe_list
)))
4620 /* Force a redisplay sooner or later
4621 to update the frame titles
4622 in case this is the second frame. */
4623 record_asynch_buffer_change ();
4628 if (f
&& !f
->async_iconified
&& msg
.msg
.wParam
!= SIZE_MINIMIZED
)
4636 GetClientRect (msg
.msg
.hwnd
, &rect
);
4638 height
= rect
.bottom
- rect
.top
;
4639 width
= rect
.right
- rect
.left
;
4641 rows
= FRAME_PIXEL_HEIGHT_TO_TEXT_LINES (f
, height
);
4642 columns
= FRAME_PIXEL_WIDTH_TO_TEXT_COLS (f
, width
);
4644 /* TODO: Clip size to the screen dimensions. */
4646 /* Even if the number of character rows and columns has
4647 not changed, the font size may have changed, so we need
4648 to check the pixel dimensions as well. */
4650 if (columns
!= FRAME_COLS (f
)
4651 || rows
!= FRAME_LINES (f
)
4652 || width
!= FRAME_PIXEL_WIDTH (f
)
4653 || height
!= FRAME_PIXEL_HEIGHT (f
))
4655 change_frame_size (f
, rows
, columns
, 0, 1, 0);
4656 SET_FRAME_GARBAGED (f
);
4657 cancel_mouse_face (f
);
4658 FRAME_PIXEL_WIDTH (f
) = width
;
4659 FRAME_PIXEL_HEIGHT (f
) = height
;
4660 f
->win_gravity
= NorthWestGravity
;
4664 check_visibility
= 1;
4668 f
= x_any_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4671 if (f
== dpyinfo
->mouse_face_mouse_frame
)
4673 /* If we move outside the frame, then we're
4674 certainly no longer on any text in the frame. */
4675 clear_mouse_face (dpyinfo
);
4676 dpyinfo
->mouse_face_mouse_frame
= 0;
4679 /* Generate a nil HELP_EVENT to cancel a help-echo.
4680 Do it only if there's something to cancel.
4681 Otherwise, the startup message is cleared when
4682 the mouse leaves the frame. */
4683 if (any_help_event_p
)
4689 w32_detect_focus_change (dpyinfo
, &msg
, &inev
);
4691 dpyinfo
->grabbed
= 0;
4692 check_visibility
= 1;
4696 f
= x_top_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4700 if (f
== dpyinfo
->w32_focus_event_frame
)
4701 dpyinfo
->w32_focus_event_frame
= 0;
4703 if (f
== dpyinfo
->w32_focus_frame
)
4704 x_new_focus_frame (dpyinfo
, 0);
4706 if (f
== dpyinfo
->mouse_face_mouse_frame
)
4708 /* If we move outside the frame, then we're
4709 certainly no longer on any text in the frame. */
4710 clear_mouse_face (dpyinfo
);
4711 dpyinfo
->mouse_face_mouse_frame
= 0;
4714 /* Generate a nil HELP_EVENT to cancel a help-echo.
4715 Do it only if there's something to cancel.
4716 Otherwise, the startup message is cleared when
4717 the mouse leaves the frame. */
4718 if (any_help_event_p
)
4722 dpyinfo
->grabbed
= 0;
4723 check_visibility
= 1;
4727 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4731 inev
.kind
= DELETE_WINDOW_EVENT
;
4732 XSETFRAME (inev
.frame_or_window
, f
);
4737 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4741 inev
.kind
= MENU_BAR_ACTIVATE_EVENT
;
4742 XSETFRAME (inev
.frame_or_window
, f
);
4747 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4751 extern void menubar_selection_callback
4752 (FRAME_PTR f
, void * client_data
);
4753 menubar_selection_callback (f
, (void *)msg
.msg
.wParam
);
4756 check_visibility
= 1;
4759 case WM_DISPLAYCHANGE
:
4760 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4764 dpyinfo
->width
= (short) LOWORD (msg
.msg
.lParam
);
4765 dpyinfo
->height
= (short) HIWORD (msg
.msg
.lParam
);
4766 dpyinfo
->n_cbits
= msg
.msg
.wParam
;
4767 DebPrint (("display change: %d %d\n", dpyinfo
->width
,
4771 check_visibility
= 1;
4775 /* Check for messages registered at runtime. */
4776 if (msg
.msg
.message
== msh_mousewheel
)
4778 /* Forward MSH_MOUSEWHEEL as WM_MOUSEWHEEL. */
4779 msg
.msg
.message
= WM_MOUSEWHEEL
;
4785 if (inev
.kind
!= NO_EVENT
)
4787 kbd_buffer_store_event_hold (&inev
, hold_quit
);
4792 && !(hold_quit
&& hold_quit
->kind
!= NO_EVENT
))
4797 XSETFRAME (frame
, f
);
4803 if (NILP (help_echo_string
))
4805 help_echo_object
= help_echo_window
= Qnil
;
4809 any_help_event_p
= 1;
4810 gen_help_event (help_echo_string
, frame
, help_echo_window
,
4811 help_echo_object
, help_echo_pos
);
4815 help_echo_string
= Qnil
;
4816 gen_help_event (Qnil
, frame
, Qnil
, Qnil
, 0);
4822 /* If the focus was just given to an autoraising frame,
4824 /* ??? This ought to be able to handle more than one such frame. */
4825 if (pending_autoraise_frame
)
4827 x_raise_frame (pending_autoraise_frame
);
4828 pending_autoraise_frame
= 0;
4831 /* Check which frames are still visisble, if we have enqueued any user
4832 events or been notified of events that may affect visibility. We
4833 do this here because there doesn't seem to be any direct
4834 notification from Windows that the visibility of a window has
4835 changed (at least, not in all cases). */
4836 if (count
> 0 || check_visibility
)
4838 Lisp_Object tail
, frame
;
4840 FOR_EACH_FRAME (tail
, frame
)
4842 FRAME_PTR f
= XFRAME (frame
);
4843 /* The tooltip has been drawn already. Avoid the
4844 SET_FRAME_GARBAGED below. */
4845 if (EQ (frame
, tip_frame
))
4848 /* Check "visible" frames and mark each as obscured or not.
4849 Note that async_visible is nonzero for unobscured and
4850 obscured frames, but zero for hidden and iconified frames. */
4851 if (FRAME_W32_P (f
) && f
->async_visible
)
4857 /* Query clipping rectangle for the entire window area
4858 (GetWindowDC), not just the client portion (GetDC).
4859 Otherwise, the scrollbars and menubar aren't counted as
4860 part of the visible area of the frame, and we may think
4861 the frame is obscured when really a scrollbar is still
4862 visible and gets WM_PAINT messages above. */
4863 hdc
= GetWindowDC (FRAME_W32_WINDOW (f
));
4864 GetClipBox (hdc
, &clipbox
);
4865 ReleaseDC (FRAME_W32_WINDOW (f
), hdc
);
4868 if (clipbox
.right
== clipbox
.left
4869 || clipbox
.bottom
== clipbox
.top
)
4871 /* Frame has become completely obscured so mark as
4872 such (we do this by setting async_visible to 2 so
4873 that FRAME_VISIBLE_P is still true, but redisplay
4875 f
->async_visible
= 2;
4877 if (!FRAME_OBSCURED_P (f
))
4879 DebPrint (("frame %p (%s) obscured\n", f
,
4885 /* Frame is not obscured, so mark it as such. */
4886 f
->async_visible
= 1;
4888 if (FRAME_OBSCURED_P (f
))
4890 SET_FRAME_GARBAGED (f
);
4891 DebPrint (("obscured frame %p (%s) found to be visible\n", f
,
4894 /* Force a redisplay sooner or later. */
4895 record_asynch_buffer_change ();
4908 /***********************************************************************
4910 ***********************************************************************/
4912 /* Set clipping for output in glyph row ROW. W is the window in which
4913 we operate. GC is the graphics context to set clipping in.
4915 ROW may be a text row or, e.g., a mode line. Text rows must be
4916 clipped to the interior of the window dedicated to text display,
4917 mode lines must be clipped to the whole window. */
4920 w32_clip_to_row (w
, row
, area
, hdc
)
4922 struct glyph_row
*row
;
4926 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
4928 int window_x
, window_y
, window_width
;
4930 window_box (w
, area
, &window_x
, &window_y
, &window_width
, 0);
4932 clip_rect
.left
= window_x
;
4933 clip_rect
.top
= WINDOW_TO_FRAME_PIXEL_Y (w
, row
->y
);
4934 clip_rect
.top
= max (clip_rect
.top
, window_y
);
4935 clip_rect
.right
= clip_rect
.left
+ window_width
;
4936 clip_rect
.bottom
= clip_rect
.top
+ row
->visible_height
;
4938 w32_set_clip_rectangle (hdc
, &clip_rect
);
4942 /* Draw a hollow box cursor on window W in glyph row ROW. */
4945 x_draw_hollow_cursor (w
, row
)
4947 struct glyph_row
*row
;
4949 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
4953 struct glyph
*cursor_glyph
;
4954 HBRUSH hb
= CreateSolidBrush (f
->output_data
.w32
->cursor_pixel
);
4956 /* Get the glyph the cursor is on. If we can't tell because
4957 the current matrix is invalid or such, give up. */
4958 cursor_glyph
= get_phys_cursor_glyph (w
);
4959 if (cursor_glyph
== NULL
)
4962 /* Compute frame-relative coordinates for phys cursor. */
4963 get_phys_cursor_geometry (w
, row
, cursor_glyph
, &rect
.left
, &rect
.top
, &h
);
4964 rect
.bottom
= rect
.top
+ h
;
4965 rect
.right
= rect
.left
+ w
->phys_cursor_width
;
4967 hdc
= get_frame_dc (f
);
4968 /* Set clipping, draw the rectangle, and reset clipping again. */
4969 w32_clip_to_row (w
, row
, TEXT_AREA
, hdc
);
4970 FrameRect (hdc
, &rect
, hb
);
4972 w32_set_clip_rectangle (hdc
, NULL
);
4973 release_frame_dc (f
, hdc
);
4977 /* Draw a bar cursor on window W in glyph row ROW.
4979 Implementation note: One would like to draw a bar cursor with an
4980 angle equal to the one given by the font property XA_ITALIC_ANGLE.
4981 Unfortunately, I didn't find a font yet that has this property set.
4985 x_draw_bar_cursor (w
, row
, width
, kind
)
4987 struct glyph_row
*row
;
4989 enum text_cursor_kinds kind
;
4991 struct frame
*f
= XFRAME (w
->frame
);
4992 struct glyph
*cursor_glyph
;
4996 /* If cursor is out of bounds, don't draw garbage. This can happen
4997 in mini-buffer windows when switching between echo area glyphs
4999 cursor_glyph
= get_phys_cursor_glyph (w
);
5000 if (cursor_glyph
== NULL
)
5003 /* If on an image, draw like a normal cursor. That's usually better
5004 visible than drawing a bar, esp. if the image is large so that
5005 the bar might not be in the window. */
5006 if (cursor_glyph
->type
== IMAGE_GLYPH
)
5008 struct glyph_row
*row
;
5009 row
= MATRIX_ROW (w
->current_matrix
, w
->phys_cursor
.vpos
);
5010 draw_phys_cursor_glyph (w
, row
, DRAW_CURSOR
);
5014 COLORREF cursor_color
= f
->output_data
.w32
->cursor_pixel
;
5015 struct face
*face
= FACE_FROM_ID (f
, cursor_glyph
->face_id
);
5017 /* If the glyph's background equals the color we normally draw
5018 the bar cursor in, the bar cursor in its normal color is
5019 invisible. Use the glyph's foreground color instead in this
5020 case, on the assumption that the glyph's colors are chosen so
5021 that the glyph is legible. */
5022 if (face
->background
== cursor_color
)
5023 cursor_color
= face
->foreground
;
5025 x
= WINDOW_TEXT_TO_FRAME_PIXEL_X (w
, w
->phys_cursor
.x
);
5028 width
= FRAME_CURSOR_WIDTH (f
);
5029 width
= min (cursor_glyph
->pixel_width
, width
);
5031 w
->phys_cursor_width
= width
;
5034 hdc
= get_frame_dc (f
);
5035 w32_clip_to_row (w
, row
, TEXT_AREA
, hdc
);
5037 if (kind
== BAR_CURSOR
)
5039 w32_fill_area (f
, hdc
, cursor_color
, x
,
5040 WINDOW_TO_FRAME_PIXEL_Y (w
, w
->phys_cursor
.y
),
5041 width
, row
->height
);
5045 w32_fill_area (f
, hdc
, cursor_color
, x
,
5046 WINDOW_TO_FRAME_PIXEL_Y (w
, w
->phys_cursor
.y
+
5047 row
->height
- width
),
5048 cursor_glyph
->pixel_width
, width
);
5051 w32_set_clip_rectangle (hdc
, NULL
);
5052 release_frame_dc (f
, hdc
);
5057 /* RIF: Define cursor CURSOR on frame F. */
5060 w32_define_frame_cursor (f
, cursor
)
5064 w32_define_cursor (FRAME_W32_WINDOW (f
), cursor
);
5068 /* RIF: Clear area on frame F. */
5071 w32_clear_frame_area (f
, x
, y
, width
, height
)
5073 int x
, y
, width
, height
;
5077 hdc
= get_frame_dc (f
);
5078 w32_clear_area (f
, hdc
, x
, y
, width
, height
);
5079 release_frame_dc (f
, hdc
);
5082 /* RIF: Draw or clear cursor on window W. */
5085 w32_draw_window_cursor (w
, glyph_row
, x
, y
, cursor_type
, cursor_width
, on_p
, active_p
)
5087 struct glyph_row
*glyph_row
;
5089 int cursor_type
, cursor_width
;
5094 /* If the user wants to use the system caret, make sure our own
5095 cursor remains invisible. */
5096 if (w32_use_visible_system_caret
)
5098 /* Call to erase_phys_cursor here seems to use the
5099 wrong values of w->phys_cursor, as they have been
5100 overwritten before this function was called. */
5101 if (w
->phys_cursor_type
!= NO_CURSOR
)
5102 erase_phys_cursor (w
);
5104 cursor_type
= w
->phys_cursor_type
= NO_CURSOR
;
5105 w
->phys_cursor_width
= -1;
5109 w
->phys_cursor_type
= cursor_type
;
5112 w
->phys_cursor_on_p
= 1;
5114 /* If this is the active cursor, we need to track it with the
5115 system caret, so third party software like screen magnifiers
5116 and speech synthesizers can follow the cursor. */
5119 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
5120 HWND hwnd
= FRAME_W32_WINDOW (f
);
5123 = WINDOW_TEXT_TO_FRAME_PIXEL_X (w
, w
->phys_cursor
.x
);
5125 = (WINDOW_TO_FRAME_PIXEL_Y (w
, w
->phys_cursor
.y
)
5126 + glyph_row
->ascent
- w
->phys_cursor_ascent
);
5128 /* If the size of the active cursor changed, destroy the old
5130 if (w32_system_caret_hwnd
5131 && (w32_system_caret_height
!= w
->phys_cursor_height
))
5132 PostMessage (hwnd
, WM_EMACS_DESTROY_CARET
, 0, 0);
5134 w32_system_caret_height
= w
->phys_cursor_height
;
5136 /* Move the system caret. */
5137 PostMessage (hwnd
, WM_EMACS_TRACK_CARET
, 0, 0);
5140 if (glyph_row
->exact_window_width_line_p
5141 && w
->phys_cursor
.hpos
>= glyph_row
->used
[TEXT_AREA
])
5143 glyph_row
->cursor_in_fringe_p
= 1;
5144 draw_fringe_bitmap (w
, glyph_row
, 0);
5148 switch (cursor_type
)
5150 case HOLLOW_BOX_CURSOR
:
5151 x_draw_hollow_cursor (w
, glyph_row
);
5154 case FILLED_BOX_CURSOR
:
5155 draw_phys_cursor_glyph (w
, glyph_row
, DRAW_CURSOR
);
5159 x_draw_bar_cursor (w
, glyph_row
, cursor_width
, BAR_CURSOR
);
5163 x_draw_bar_cursor (w
, glyph_row
, cursor_width
, HBAR_CURSOR
);
5167 w
->phys_cursor_width
= 0;
5181 x_bitmap_icon (f
, icon
)
5186 HANDLE small_icon
= NULL
;
5188 if (FRAME_W32_WINDOW (f
) == 0)
5192 main_icon
= LoadIcon (hinst
, EMACS_CLASS
);
5193 else if (STRINGP (icon
))
5195 /* Load the main icon from the named file. */
5196 main_icon
= LoadImage (NULL
, (LPCTSTR
) SDATA (icon
), IMAGE_ICON
, 0, 0,
5197 LR_DEFAULTSIZE
| LR_LOADFROMFILE
);
5198 /* Try to load a small icon to go with it. */
5199 small_icon
= LoadImage (NULL
, (LPCSTR
) SDATA (icon
), IMAGE_ICON
,
5200 GetSystemMetrics (SM_CXSMICON
),
5201 GetSystemMetrics (SM_CYSMICON
),
5204 else if (SYMBOLP (icon
))
5208 if (EQ (icon
, intern ("application")))
5209 name
= (LPCTSTR
) IDI_APPLICATION
;
5210 else if (EQ (icon
, intern ("hand")))
5211 name
= (LPCTSTR
) IDI_HAND
;
5212 else if (EQ (icon
, intern ("question")))
5213 name
= (LPCTSTR
) IDI_QUESTION
;
5214 else if (EQ (icon
, intern ("exclamation")))
5215 name
= (LPCTSTR
) IDI_EXCLAMATION
;
5216 else if (EQ (icon
, intern ("asterisk")))
5217 name
= (LPCTSTR
) IDI_ASTERISK
;
5218 else if (EQ (icon
, intern ("winlogo")))
5219 name
= (LPCTSTR
) IDI_WINLOGO
;
5223 main_icon
= LoadIcon (NULL
, name
);
5228 if (main_icon
== NULL
)
5231 PostMessage (FRAME_W32_WINDOW (f
), WM_SETICON
, (WPARAM
) ICON_BIG
,
5232 (LPARAM
) main_icon
);
5234 /* If there is a small icon that goes with it, set that too. */
5236 PostMessage (FRAME_W32_WINDOW (f
), WM_SETICON
, (WPARAM
) ICON_SMALL
,
5237 (LPARAM
) small_icon
);
5243 /************************************************************************
5245 ************************************************************************/
5247 /* Display Error Handling functions not used on W32. Listing them here
5248 helps diff stay in step when comparing w32term.c with xterm.c.
5250 x_error_catcher (display, error)
5251 x_catch_errors (dpy)
5252 x_catch_errors_unwind (old_val)
5253 x_check_errors (dpy, format)
5254 x_fully_uncatch_errors ()
5255 x_catching_errors ()
5256 x_had_errors_p (dpy)
5257 x_clear_errors (dpy)
5258 x_uncatch_errors (dpy, count)
5260 x_connection_signal (signalnum)
5261 x_connection_closed (dpy, error_message)
5262 x_error_quitter (display, error)
5263 x_error_handler (display, error)
5264 x_io_error_quitter (display)
5269 /* Changing the font of the frame. */
5271 /* Give frame F the font named FONTNAME as its default font, and
5272 return the full name of that font. FONTNAME may be a wildcard
5273 pattern; in that case, we choose some font that fits the pattern.
5274 The return value shows which font we chose. */
5277 x_new_font (f
, fontname
)
5279 register char *fontname
;
5281 struct font_info
*fontp
5282 = FS_LOAD_FONT (f
, 0, fontname
, -1);
5287 FRAME_FONT (f
) = (XFontStruct
*) (fontp
->font
);
5288 FRAME_BASELINE_OFFSET (f
) = fontp
->baseline_offset
;
5289 FRAME_FONTSET (f
) = -1;
5291 FRAME_COLUMN_WIDTH (f
) = fontp
->average_width
;
5292 FRAME_SPACE_WIDTH (f
) = fontp
->space_width
;
5293 FRAME_LINE_HEIGHT (f
) = FONT_HEIGHT (FRAME_FONT (f
));
5295 compute_fringe_widths (f
, 1);
5297 /* Compute the scroll bar width in character columns. */
5298 if (FRAME_CONFIG_SCROLL_BAR_WIDTH (f
) > 0)
5300 int wid
= FRAME_COLUMN_WIDTH (f
);
5301 FRAME_CONFIG_SCROLL_BAR_COLS (f
)
5302 = (FRAME_CONFIG_SCROLL_BAR_WIDTH (f
) + wid
-1) / wid
;
5306 int wid
= FRAME_COLUMN_WIDTH (f
);
5307 FRAME_CONFIG_SCROLL_BAR_COLS (f
) = (14 + wid
- 1) / wid
;
5310 /* Now make the frame display the given font. */
5311 if (FRAME_W32_WINDOW (f
) != 0)
5313 if (NILP (tip_frame
) || XFRAME (tip_frame
) != f
)
5314 x_set_window_size (f
, 0, FRAME_COLS (f
), FRAME_LINES (f
));
5317 return build_string (fontp
->full_name
);
5320 /* Give frame F the fontset named FONTSETNAME as its default font, and
5321 return the full name of that fontset. FONTSETNAME may be a wildcard
5322 pattern; in that case, we choose some fontset that fits the pattern.
5323 The return value shows which fontset we chose. */
5326 x_new_fontset (f
, fontsetname
)
5330 int fontset
= fs_query_fontset (build_string (fontsetname
), 0);
5336 if (FRAME_FONTSET (f
) == fontset
)
5337 /* This fontset is already set in frame F. There's nothing more
5339 return fontset_name (fontset
);
5341 result
= x_new_font (f
, (SDATA (fontset_ascii (fontset
))));
5343 if (!STRINGP (result
))
5344 /* Can't load ASCII font. */
5347 /* Since x_new_font doesn't update any fontset information, do it now. */
5348 FRAME_FONTSET(f
) = fontset
;
5350 return build_string (fontsetname
);
5354 /***********************************************************************
5355 TODO: W32 Input Methods
5356 ***********************************************************************/
5357 /* Listing missing functions from xterm.c helps diff stay in step.
5359 xim_destroy_callback (xim, client_data, call_data)
5360 xim_open_dpy (dpyinfo, resource_name)
5362 xim_instantiate_callback (display, client_data, call_data)
5363 xim_initialize (dpyinfo, resource_name)
5364 xim_close_dpy (dpyinfo)
5369 /* Calculate the absolute position in frame F
5370 from its current recorded position values and gravity. */
5373 x_calc_absolute_position (f
)
5376 int flags
= f
->size_hint_flags
;
5378 /* Treat negative positions as relative to the leftmost bottommost
5379 position that fits on the screen. */
5380 if (flags
& XNegative
)
5381 f
->left_pos
= (FRAME_W32_DISPLAY_INFO (f
)->width
5382 - FRAME_PIXEL_WIDTH (f
)
5385 if (flags
& YNegative
)
5386 f
->top_pos
= (FRAME_W32_DISPLAY_INFO (f
)->height
5387 - FRAME_PIXEL_HEIGHT (f
)
5389 /* The left_pos and top_pos
5390 are now relative to the top and left screen edges,
5391 so the flags should correspond. */
5392 f
->size_hint_flags
&= ~ (XNegative
| YNegative
);
5395 /* CHANGE_GRAVITY is 1 when calling from Fset_frame_position,
5396 to really change the position, and 0 when calling from
5397 x_make_frame_visible (in that case, XOFF and YOFF are the current
5398 position values). It is -1 when calling from x_set_frame_parameters,
5399 which means, do adjust for borders but don't change the gravity. */
5402 x_set_offset (f
, xoff
, yoff
, change_gravity
)
5404 register int xoff
, yoff
;
5407 int modified_top
, modified_left
;
5409 if (change_gravity
> 0)
5413 f
->size_hint_flags
&= ~ (XNegative
| YNegative
);
5415 f
->size_hint_flags
|= XNegative
;
5417 f
->size_hint_flags
|= YNegative
;
5418 f
->win_gravity
= NorthWestGravity
;
5420 x_calc_absolute_position (f
);
5423 x_wm_set_size_hint (f
, (long) 0, 0);
5425 modified_left
= f
->left_pos
;
5426 modified_top
= f
->top_pos
;
5428 my_set_window_pos (FRAME_W32_WINDOW (f
),
5430 modified_left
, modified_top
,
5432 SWP_NOZORDER
| SWP_NOSIZE
| SWP_NOACTIVATE
);
5437 /* Check if we need to resize the frame due to a fullscreen request.
5438 If so needed, resize the frame. */
5440 x_check_fullscreen (f
)
5443 if (f
->want_fullscreen
& FULLSCREEN_BOTH
)
5445 int width
, height
, ign
;
5447 x_real_positions (f
, &f
->left_pos
, &f
->top_pos
);
5449 x_fullscreen_adjust (f
, &width
, &height
, &ign
, &ign
);
5451 /* We do not need to move the window, it shall be taken care of
5452 when setting WM manager hints. */
5453 if (FRAME_COLS (f
) != width
|| FRAME_LINES (f
) != height
)
5455 change_frame_size (f
, height
, width
, 0, 1, 0);
5456 SET_FRAME_GARBAGED (f
);
5457 cancel_mouse_face (f
);
5459 /* Wait for the change of frame size to occur */
5460 f
->want_fullscreen
|= FULLSCREEN_WAIT
;
5465 /* Call this to change the size of frame F's x-window.
5466 If CHANGE_GRAVITY is 1, we change to top-left-corner window gravity
5467 for this size change and subsequent size changes.
5468 Otherwise we leave the window gravity unchanged. */
5471 x_set_window_size (f
, change_gravity
, cols
, rows
)
5476 int pixelwidth
, pixelheight
;
5480 check_frame_size (f
, &rows
, &cols
);
5481 f
->scroll_bar_actual_width
5482 = FRAME_SCROLL_BAR_COLS (f
) * FRAME_COLUMN_WIDTH (f
);
5484 compute_fringe_widths (f
, 0);
5486 pixelwidth
= FRAME_TEXT_COLS_TO_PIXEL_WIDTH (f
, cols
);
5487 pixelheight
= FRAME_TEXT_LINES_TO_PIXEL_HEIGHT (f
, rows
);
5489 f
->win_gravity
= NorthWestGravity
;
5490 x_wm_set_size_hint (f
, (long) 0, 0);
5495 rect
.left
= rect
.top
= 0;
5496 rect
.right
= pixelwidth
;
5497 rect
.bottom
= pixelheight
;
5499 AdjustWindowRect(&rect
, f
->output_data
.w32
->dwStyle
,
5500 FRAME_EXTERNAL_MENU_BAR (f
));
5502 my_set_window_pos (FRAME_W32_WINDOW (f
),
5505 rect
.right
- rect
.left
,
5506 rect
.bottom
- rect
.top
,
5507 SWP_NOZORDER
| SWP_NOMOVE
| SWP_NOACTIVATE
);
5510 /* Now, strictly speaking, we can't be sure that this is accurate,
5511 but the window manager will get around to dealing with the size
5512 change request eventually, and we'll hear how it went when the
5513 ConfigureNotify event gets here.
5515 We could just not bother storing any of this information here,
5516 and let the ConfigureNotify event set everything up, but that
5517 might be kind of confusing to the Lisp code, since size changes
5518 wouldn't be reported in the frame parameters until some random
5519 point in the future when the ConfigureNotify event arrives.
5521 We pass 1 for DELAY since we can't run Lisp code inside of
5523 change_frame_size (f
, rows
, cols
, 0, 1, 0);
5524 FRAME_PIXEL_WIDTH (f
) = pixelwidth
;
5525 FRAME_PIXEL_HEIGHT (f
) = pixelheight
;
5527 /* We've set {FRAME,PIXEL}_{WIDTH,HEIGHT} to the values we hope to
5528 receive in the ConfigureNotify event; if we get what we asked
5529 for, then the event won't cause the screen to become garbaged, so
5530 we have to make sure to do it here. */
5531 SET_FRAME_GARBAGED (f
);
5533 /* If cursor was outside the new size, mark it as off. */
5534 mark_window_cursors_off (XWINDOW (f
->root_window
));
5536 /* Clear out any recollection of where the mouse highlighting was,
5537 since it might be in a place that's outside the new frame size.
5538 Actually checking whether it is outside is a pain in the neck,
5539 so don't try--just let the highlighting be done afresh with new size. */
5540 cancel_mouse_face (f
);
5545 /* Mouse warping. */
5547 void x_set_mouse_pixel_position (struct frame
*f
, int pix_x
, int pix_y
);
5550 x_set_mouse_position (f
, x
, y
)
5556 pix_x
= FRAME_COL_TO_PIXEL_X (f
, x
) + FRAME_COLUMN_WIDTH (f
) / 2;
5557 pix_y
= FRAME_LINE_TO_PIXEL_Y (f
, y
) + FRAME_LINE_HEIGHT (f
) / 2;
5559 if (pix_x
< 0) pix_x
= 0;
5560 if (pix_x
> FRAME_PIXEL_WIDTH (f
)) pix_x
= FRAME_PIXEL_WIDTH (f
);
5562 if (pix_y
< 0) pix_y
= 0;
5563 if (pix_y
> FRAME_PIXEL_HEIGHT (f
)) pix_y
= FRAME_PIXEL_HEIGHT (f
);
5565 x_set_mouse_pixel_position (f
, pix_x
, pix_y
);
5569 x_set_mouse_pixel_position (f
, pix_x
, pix_y
)
5578 GetClientRect (FRAME_W32_WINDOW (f
), &rect
);
5579 pt
.x
= rect
.left
+ pix_x
;
5580 pt
.y
= rect
.top
+ pix_y
;
5581 ClientToScreen (FRAME_W32_WINDOW (f
), &pt
);
5583 SetCursorPos (pt
.x
, pt
.y
);
5589 /* focus shifting, raising and lowering. */
5592 x_focus_on_frame (f
)
5595 struct w32_display_info
*dpyinfo
= &one_w32_display_info
;
5597 /* Give input focus to frame. */
5600 /* Try not to change its Z-order if possible. */
5601 if (x_window_to_frame (dpyinfo
, GetForegroundWindow ()))
5602 my_set_focus (f
, FRAME_W32_WINDOW (f
));
5605 my_set_foreground_window (FRAME_W32_WINDOW (f
));
5615 /* Raise frame F. */
5622 /* Strictly speaking, raise-frame should only change the frame's Z
5623 order, leaving input focus unchanged. This is reasonable behaviour
5624 on X where the usual policy is point-to-focus. However, this
5625 behaviour would be very odd on Windows where the usual policy is
5628 On X, if the mouse happens to be over the raised frame, it gets
5629 input focus anyway (so the window with focus will never be
5630 completely obscured) - if not, then just moving the mouse over it
5631 is sufficient to give it focus. On Windows, the user must actually
5632 click on the frame (preferrably the title bar so as not to move
5633 point), which is more awkward. Also, no other Windows program
5634 raises a window to the top but leaves another window (possibly now
5635 completely obscured) with input focus.
5637 Because there is a system setting on Windows that allows the user
5638 to choose the point to focus policy, we make the strict semantics
5639 optional, but by default we grab focus when raising. */
5641 if (NILP (Vw32_grab_focus_on_raise
))
5643 /* The obvious call to my_set_window_pos doesn't work if Emacs is
5644 not already the foreground application: the frame is raised
5645 above all other frames belonging to us, but not above the
5646 current top window. To achieve that, we have to resort to this
5647 more cumbersome method. */
5649 HDWP handle
= BeginDeferWindowPos (2);
5652 DeferWindowPos (handle
,
5653 FRAME_W32_WINDOW (f
),
5656 SWP_NOSIZE
| SWP_NOMOVE
| SWP_NOACTIVATE
);
5658 DeferWindowPos (handle
,
5659 GetForegroundWindow (),
5660 FRAME_W32_WINDOW (f
),
5662 SWP_NOSIZE
| SWP_NOMOVE
| SWP_NOACTIVATE
);
5664 EndDeferWindowPos (handle
);
5669 my_set_foreground_window (FRAME_W32_WINDOW (f
));
5675 /* Lower frame F. */
5681 my_set_window_pos (FRAME_W32_WINDOW (f
),
5684 SWP_NOSIZE
| SWP_NOMOVE
| SWP_NOACTIVATE
);
5689 w32_frame_raise_lower (f
, raise_flag
)
5693 if (! FRAME_W32_P (f
))
5702 /* Change of visibility. */
5704 /* This tries to wait until the frame is really visible.
5705 However, if the window manager asks the user where to position
5706 the frame, this will return before the user finishes doing that.
5707 The frame will not actually be visible at that time,
5708 but it will become visible later when the window manager
5709 finishes with it. */
5712 x_make_frame_visible (f
)
5719 type
= x_icon_type (f
);
5721 x_bitmap_icon (f
, type
);
5723 if (! FRAME_VISIBLE_P (f
))
5725 /* We test FRAME_GARBAGED_P here to make sure we don't
5726 call x_set_offset a second time
5727 if we get to x_make_frame_visible a second time
5728 before the window gets really visible. */
5729 if (! FRAME_ICONIFIED_P (f
)
5730 && ! f
->output_data
.w32
->asked_for_visible
)
5731 x_set_offset (f
, f
->left_pos
, f
->top_pos
, 0);
5733 f
->output_data
.w32
->asked_for_visible
= 1;
5735 /* my_show_window (f, FRAME_W32_WINDOW (f), f->async_iconified ? SW_RESTORE : SW_SHOW); */
5736 my_show_window (f
, FRAME_W32_WINDOW (f
), SW_SHOWNORMAL
);
5739 /* Synchronize to ensure Emacs knows the frame is visible
5740 before we do anything else. We do this loop with input not blocked
5741 so that incoming events are handled. */
5746 /* This must come after we set COUNT. */
5749 XSETFRAME (frame
, f
);
5751 /* Wait until the frame is visible. Process X events until a
5752 MapNotify event has been seen, or until we think we won't get a
5753 MapNotify at all.. */
5754 for (count
= input_signal_count
+ 10;
5755 input_signal_count
< count
&& !FRAME_VISIBLE_P (f
);)
5757 /* Force processing of queued events. */
5758 /* TODO: x_sync equivalent? */
5760 /* Machines that do polling rather than SIGIO have been observed
5761 to go into a busy-wait here. So we'll fake an alarm signal
5762 to let the handler know that there's something to be read.
5763 We used to raise a real alarm, but it seems that the handler
5764 isn't always enabled here. This is probably a bug. */
5765 if (input_polling_used ())
5767 /* It could be confusing if a real alarm arrives while processing
5768 the fake one. Turn it off and let the handler reset it. */
5769 int old_poll_suppress_count
= poll_suppress_count
;
5770 poll_suppress_count
= 1;
5771 poll_for_input_1 ();
5772 poll_suppress_count
= old_poll_suppress_count
;
5775 FRAME_SAMPLE_VISIBILITY (f
);
5779 /* Change from mapped state to withdrawn state. */
5781 /* Make the frame visible (mapped and not iconified). */
5783 x_make_frame_invisible (f
)
5786 /* Don't keep the highlight on an invisible frame. */
5787 if (FRAME_W32_DISPLAY_INFO (f
)->x_highlight_frame
== f
)
5788 FRAME_W32_DISPLAY_INFO (f
)->x_highlight_frame
= 0;
5792 my_show_window (f
, FRAME_W32_WINDOW (f
), SW_HIDE
);
5794 /* We can't distinguish this from iconification
5795 just by the event that we get from the server.
5796 So we can't win using the usual strategy of letting
5797 FRAME_SAMPLE_VISIBILITY set this. So do it by hand,
5798 and synchronize with the server to make sure we agree. */
5800 FRAME_ICONIFIED_P (f
) = 0;
5801 f
->async_visible
= 0;
5802 f
->async_iconified
= 0;
5807 /* Change window state from mapped to iconified. */
5815 /* Don't keep the highlight on an invisible frame. */
5816 if (FRAME_W32_DISPLAY_INFO (f
)->x_highlight_frame
== f
)
5817 FRAME_W32_DISPLAY_INFO (f
)->x_highlight_frame
= 0;
5819 if (f
->async_iconified
)
5824 type
= x_icon_type (f
);
5826 x_bitmap_icon (f
, type
);
5828 /* Simulate the user minimizing the frame. */
5829 SendMessage (FRAME_W32_WINDOW (f
), WM_SYSCOMMAND
, SC_MINIMIZE
, 0);
5835 /* Free X resources of frame F. */
5838 x_free_frame_resources (f
)
5841 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
5845 if (FRAME_W32_WINDOW (f
))
5846 my_destroy_window (f
, FRAME_W32_WINDOW (f
));
5848 free_frame_menubar (f
);
5850 unload_color (f
, f
->output_data
.x
->foreground_pixel
);
5851 unload_color (f
, f
->output_data
.x
->background_pixel
);
5852 unload_color (f
, f
->output_data
.w32
->cursor_pixel
);
5853 unload_color (f
, f
->output_data
.w32
->cursor_foreground_pixel
);
5854 unload_color (f
, f
->output_data
.w32
->border_pixel
);
5855 unload_color (f
, f
->output_data
.w32
->mouse_pixel
);
5856 if (f
->output_data
.w32
->white_relief
.allocated_p
)
5857 unload_color (f
, f
->output_data
.w32
->white_relief
.pixel
);
5858 if (f
->output_data
.w32
->black_relief
.allocated_p
)
5859 unload_color (f
, f
->output_data
.w32
->black_relief
.pixel
);
5861 if (FRAME_FACE_CACHE (f
))
5862 free_frame_faces (f
);
5864 xfree (f
->output_data
.w32
);
5865 f
->output_data
.w32
= NULL
;
5867 if (f
== dpyinfo
->w32_focus_frame
)
5868 dpyinfo
->w32_focus_frame
= 0;
5869 if (f
== dpyinfo
->w32_focus_event_frame
)
5870 dpyinfo
->w32_focus_event_frame
= 0;
5871 if (f
== dpyinfo
->x_highlight_frame
)
5872 dpyinfo
->x_highlight_frame
= 0;
5874 if (f
== dpyinfo
->mouse_face_mouse_frame
)
5876 dpyinfo
->mouse_face_beg_row
5877 = dpyinfo
->mouse_face_beg_col
= -1;
5878 dpyinfo
->mouse_face_end_row
5879 = dpyinfo
->mouse_face_end_col
= -1;
5880 dpyinfo
->mouse_face_window
= Qnil
;
5881 dpyinfo
->mouse_face_deferred_gc
= 0;
5882 dpyinfo
->mouse_face_mouse_frame
= 0;
5889 /* Destroy the window of frame F. */
5891 x_destroy_window (f
)
5894 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
5896 x_free_frame_resources (f
);
5898 dpyinfo
->reference_count
--;
5902 /* Setting window manager hints. */
5904 /* Set the normal size hints for the window manager, for frame F.
5905 FLAGS is the flags word to use--or 0 meaning preserve the flags
5906 that the window now has.
5907 If USER_POSITION is nonzero, we set the USPosition
5908 flag (this is useful when FLAGS is 0). */
5910 x_wm_set_size_hint (f
, flags
, user_position
)
5915 Window window
= FRAME_W32_WINDOW (f
);
5919 SetWindowLong (window
, WND_FONTWIDTH_INDEX
, FRAME_COLUMN_WIDTH (f
));
5920 SetWindowLong (window
, WND_LINEHEIGHT_INDEX
, FRAME_LINE_HEIGHT (f
));
5921 SetWindowLong (window
, WND_BORDER_INDEX
, FRAME_INTERNAL_BORDER_WIDTH (f
));
5922 SetWindowLong (window
, WND_SCROLLBAR_INDEX
, f
->scroll_bar_actual_width
);
5927 /* Window manager things */
5929 x_wm_set_icon_position (f
, icon_x
, icon_y
)
5934 Window window
= FRAME_W32_WINDOW (f
);
5936 f
->display
.x
->wm_hints
.flags
|= IconPositionHint
;
5937 f
->display
.x
->wm_hints
.icon_x
= icon_x
;
5938 f
->display
.x
->wm_hints
.icon_y
= icon_y
;
5940 XSetWMHints (FRAME_X_DISPLAY (f
), window
, &f
->display
.x
->wm_hints
);
5945 /***********************************************************************
5947 ***********************************************************************/
5949 /* The following functions are listed here to help diff stay in step
5950 with xterm.c. See w32fns.c for definitions.
5952 x_get_font_info (f, font_idx)
5953 x_list_fonts (f, pattern, size, maxnames)
5959 /* Check that FONT is valid on frame F. It is if it can be found in F's
5963 x_check_font (f
, font
)
5968 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
5970 xassert (font
!= NULL
);
5972 for (i
= 0; i
< dpyinfo
->n_fonts
; i
++)
5973 if (dpyinfo
->font_table
[i
].name
5974 && font
== dpyinfo
->font_table
[i
].font
)
5977 xassert (i
< dpyinfo
->n_fonts
);
5980 #endif /* GLYPH_DEBUG != 0 */
5982 /* Set *W to the minimum width, *H to the minimum font height of FONT.
5983 Note: There are (broken) X fonts out there with invalid XFontStruct
5984 min_bounds contents. For example, handa@etl.go.jp reports that
5985 "-adobe-courier-medium-r-normal--*-180-*-*-m-*-iso8859-1" fonts
5986 have font->min_bounds.width == 0. */
5989 x_font_min_bounds (font
, w
, h
)
5994 * TODO: Windows does not appear to offer min bound, only
5995 * average and maximum width, and maximum height.
5997 *h
= FONT_HEIGHT (font
);
5998 *w
= FONT_WIDTH (font
);
6002 /* Compute the smallest character width and smallest font height over
6003 all fonts available on frame F. Set the members smallest_char_width
6004 and smallest_font_height in F's x_display_info structure to
6005 the values computed. Value is non-zero if smallest_font_height or
6006 smallest_char_width become smaller than they were before. */
6009 x_compute_min_glyph_bounds (f
)
6013 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
6015 int old_width
= dpyinfo
->smallest_char_width
;
6016 int old_height
= dpyinfo
->smallest_font_height
;
6018 dpyinfo
->smallest_font_height
= 100000;
6019 dpyinfo
->smallest_char_width
= 100000;
6021 for (i
= 0; i
< dpyinfo
->n_fonts
; ++i
)
6022 if (dpyinfo
->font_table
[i
].name
)
6024 struct font_info
*fontp
= dpyinfo
->font_table
+ i
;
6027 font
= (XFontStruct
*) fontp
->font
;
6028 xassert (font
!= (XFontStruct
*) ~0);
6029 x_font_min_bounds (font
, &w
, &h
);
6031 dpyinfo
->smallest_font_height
= min (dpyinfo
->smallest_font_height
, h
);
6032 dpyinfo
->smallest_char_width
= min (dpyinfo
->smallest_char_width
, w
);
6035 xassert (dpyinfo
->smallest_char_width
> 0
6036 && dpyinfo
->smallest_font_height
> 0);
6038 return (dpyinfo
->n_fonts
== 1
6039 || dpyinfo
->smallest_char_width
< old_width
6040 || dpyinfo
->smallest_font_height
< old_height
);
6043 /* The following functions are listed here to help diff stay in step
6044 with xterm.c. See w32fns.c for definitions.
6046 x_load_font (f, fontname, size)
6047 x_query_font (f, fontname)
6048 x_find_ccl_program (fontp)
6052 /***********************************************************************
6054 ***********************************************************************/
6056 static int w32_initialized
= 0;
6059 w32_initialize_display_info (display_name
)
6060 Lisp_Object display_name
;
6062 struct w32_display_info
*dpyinfo
= &one_w32_display_info
;
6064 bzero (dpyinfo
, sizeof (*dpyinfo
));
6066 /* Put it on w32_display_name_list. */
6067 w32_display_name_list
= Fcons (Fcons (display_name
, Qnil
),
6068 w32_display_name_list
);
6069 dpyinfo
->name_list_element
= XCAR (w32_display_name_list
);
6071 dpyinfo
->w32_id_name
6072 = (char *) xmalloc (SCHARS (Vinvocation_name
)
6073 + SCHARS (Vsystem_name
)
6075 sprintf (dpyinfo
->w32_id_name
, "%s@%s",
6076 SDATA (Vinvocation_name
), SDATA (Vsystem_name
));
6078 /* Default Console mode values - overridden when running in GUI mode
6079 with values obtained from system metrics. */
6082 dpyinfo
->height_in
= 1;
6083 dpyinfo
->width_in
= 1;
6084 dpyinfo
->n_planes
= 1;
6085 dpyinfo
->n_cbits
= 4;
6086 dpyinfo
->n_fonts
= 0;
6087 dpyinfo
->smallest_font_height
= 1;
6088 dpyinfo
->smallest_char_width
= 1;
6090 dpyinfo
->mouse_face_beg_row
= dpyinfo
->mouse_face_beg_col
= -1;
6091 dpyinfo
->mouse_face_end_row
= dpyinfo
->mouse_face_end_col
= -1;
6092 dpyinfo
->mouse_face_face_id
= DEFAULT_FACE_ID
;
6093 dpyinfo
->mouse_face_window
= Qnil
;
6094 dpyinfo
->mouse_face_overlay
= Qnil
;
6095 dpyinfo
->mouse_face_hidden
= 0;
6097 dpyinfo
->vertical_scroll_bar_cursor
= w32_load_cursor (IDC_ARROW
);
6098 /* TODO: dpyinfo->gray */
6102 /* Create an xrdb-style database of resources to supercede registry settings.
6103 The database is just a concatenation of C strings, finished by an additional
6104 \0. The string are submitted to some basic normalization, so
6106 [ *]option[ *]:[ *]value...
6112 but any whitespace following value is not removed. */
6115 w32_make_rdb (xrm_option
)
6118 char *buffer
= xmalloc (strlen (xrm_option
) + 2);
6119 char *current
= buffer
;
6122 int before_value
= 0;
6136 if (in_option
&& (ch
== ':'))
6141 else if (before_value
)
6146 else if (!(in_option
|| before_value
))
6157 struct w32_display_info
*
6158 w32_term_init (display_name
, xrm_option
, resource_name
)
6159 Lisp_Object display_name
;
6161 char *resource_name
;
6163 struct w32_display_info
*dpyinfo
;
6168 if (!w32_initialized
)
6171 w32_initialized
= 1;
6174 w32_initialize_display_info (display_name
);
6176 dpyinfo
= &one_w32_display_info
;
6178 dpyinfo
->xrdb
= xrm_option
? w32_make_rdb (xrm_option
) : NULL
;
6180 /* Put this display on the chain. */
6181 dpyinfo
->next
= x_display_list
;
6182 x_display_list
= dpyinfo
;
6184 hdc
= GetDC (GetDesktopWindow ());
6186 dpyinfo
->height
= GetDeviceCaps (hdc
, VERTRES
);
6187 dpyinfo
->width
= GetDeviceCaps (hdc
, HORZRES
);
6188 dpyinfo
->root_window
= GetDesktopWindow ();
6189 dpyinfo
->n_planes
= GetDeviceCaps (hdc
, PLANES
);
6190 dpyinfo
->n_cbits
= GetDeviceCaps (hdc
, BITSPIXEL
);
6191 dpyinfo
->resx
= GetDeviceCaps (hdc
, LOGPIXELSX
);
6192 dpyinfo
->resy
= GetDeviceCaps (hdc
, LOGPIXELSY
);
6193 dpyinfo
->has_palette
= GetDeviceCaps (hdc
, RASTERCAPS
) & RC_PALETTE
;
6194 dpyinfo
->image_cache
= make_image_cache ();
6195 dpyinfo
->height_in
= dpyinfo
->height
/ dpyinfo
->resx
;
6196 dpyinfo
->width_in
= dpyinfo
->width
/ dpyinfo
->resy
;
6197 ReleaseDC (GetDesktopWindow (), hdc
);
6199 /* initialise palette with white and black */
6202 w32_defined_color (0, "white", &color
, 1);
6203 w32_defined_color (0, "black", &color
, 1);
6206 /* Create Fringe Bitmaps and store them for later use.
6208 On W32, bitmaps are all unsigned short, as Windows requires
6209 bitmap data to be Word aligned. For some reason they are
6210 horizontally reflected compared to how they appear on X, so we
6211 need to bitswap and convert to unsigned shorts before creating
6215 #ifndef F_SETOWN_BUG
6217 #ifdef F_SETOWN_SOCK_NEG
6218 /* stdin is a socket here */
6219 fcntl (connection
, F_SETOWN
, -getpid ());
6220 #else /* ! defined (F_SETOWN_SOCK_NEG) */
6221 fcntl (connection
, F_SETOWN
, getpid ());
6222 #endif /* ! defined (F_SETOWN_SOCK_NEG) */
6223 #endif /* ! defined (F_SETOWN) */
6224 #endif /* F_SETOWN_BUG */
6227 if (interrupt_input
)
6228 init_sigio (connection
);
6229 #endif /* ! defined (SIGIO) */
6236 /* Get rid of display DPYINFO, assuming all frames are already gone. */
6239 x_delete_display (dpyinfo
)
6240 struct w32_display_info
*dpyinfo
;
6242 /* Discard this display from w32_display_name_list and w32_display_list.
6243 We can't use Fdelq because that can quit. */
6244 if (! NILP (w32_display_name_list
)
6245 && EQ (XCAR (w32_display_name_list
), dpyinfo
->name_list_element
))
6246 w32_display_name_list
= XCDR (w32_display_name_list
);
6251 tail
= w32_display_name_list
;
6252 while (CONSP (tail
) && CONSP (XCDR (tail
)))
6254 if (EQ (XCAR (XCDR (tail
)), dpyinfo
->name_list_element
))
6256 XSETCDR (tail
, XCDR (XCDR (tail
)));
6263 /* free palette table */
6265 struct w32_palette_entry
* plist
;
6267 plist
= dpyinfo
->color_list
;
6270 struct w32_palette_entry
* pentry
= plist
;
6271 plist
= plist
->next
;
6274 dpyinfo
->color_list
= NULL
;
6275 if (dpyinfo
->palette
)
6276 DeleteObject(dpyinfo
->palette
);
6278 xfree (dpyinfo
->font_table
);
6279 xfree (dpyinfo
->w32_id_name
);
6281 w32_reset_fringes ();
6284 /* Set up use of W32. */
6286 DWORD
w32_msg_worker ();
6289 x_flush (struct frame
* f
)
6290 { /* Nothing to do */ }
6292 extern frame_parm_handler w32_frame_parm_handlers
[];
6294 static struct redisplay_interface w32_redisplay_interface
=
6296 w32_frame_parm_handlers
,
6300 x_clear_end_of_line
,
6302 x_after_update_window_line
,
6303 x_update_window_begin
,
6304 x_update_window_end
,
6307 0, /* flush_display_optional */
6308 x_clear_window_mouse_face
,
6309 w32_get_glyph_overhangs
,
6310 x_fix_overlapping_area
,
6311 w32_draw_fringe_bitmap
,
6312 w32_define_fringe_bitmap
,
6313 w32_destroy_fringe_bitmap
,
6314 w32_per_char_metric
,
6316 NULL
, /* w32_compute_glyph_string_overhangs */
6317 x_draw_glyph_string
,
6318 w32_define_frame_cursor
,
6319 w32_clear_frame_area
,
6320 w32_draw_window_cursor
,
6321 w32_draw_vertical_window_border
,
6322 w32_shift_glyphs_for_insert
6328 rif
= &w32_redisplay_interface
;
6330 /* MSVC does not type K&R functions with no arguments correctly, and
6331 so we must explicitly cast them. */
6332 clear_frame_hook
= (void (*)(void)) x_clear_frame
;
6333 ring_bell_hook
= (void (*)(void)) w32_ring_bell
;
6334 update_begin_hook
= x_update_begin
;
6335 update_end_hook
= x_update_end
;
6337 read_socket_hook
= w32_read_socket
;
6339 frame_up_to_date_hook
= w32_frame_up_to_date
;
6341 mouse_position_hook
= w32_mouse_position
;
6342 frame_rehighlight_hook
= w32_frame_rehighlight
;
6343 frame_raise_lower_hook
= w32_frame_raise_lower
;
6344 set_vertical_scroll_bar_hook
= w32_set_vertical_scroll_bar
;
6345 condemn_scroll_bars_hook
= w32_condemn_scroll_bars
;
6346 redeem_scroll_bar_hook
= w32_redeem_scroll_bar
;
6347 judge_scroll_bars_hook
= w32_judge_scroll_bars
;
6349 scroll_region_ok
= 1; /* we'll scroll partial frames */
6350 char_ins_del_ok
= 1;
6351 line_ins_del_ok
= 1; /* we'll just blt 'em */
6352 fast_clear_end_of_line
= 1; /* X does this well */
6353 memory_below_frame
= 0; /* we don't remember what scrolls
6357 w32_system_caret_hwnd
= NULL
;
6358 w32_system_caret_height
= 0;
6359 w32_system_caret_x
= 0;
6360 w32_system_caret_y
= 0;
6362 /* Initialize w32_use_visible_system_caret based on whether a screen
6363 reader is in use. */
6364 if (!SystemParametersInfo (SPI_GETSCREENREADER
, 0,
6365 &w32_use_visible_system_caret
, 0))
6366 w32_use_visible_system_caret
= 0;
6368 last_tool_bar_item
= -1;
6369 any_help_event_p
= 0;
6371 /* Initialize input mode: interrupt_input off, no flow control, allow
6372 8 bit character input, standard quit char. */
6373 Fset_input_mode (Qnil
, Qnil
, make_number (2), Qnil
);
6375 /* Create the window thread - it will terminate itself or when the app terminates */
6379 dwMainThreadId
= GetCurrentThreadId ();
6380 DuplicateHandle (GetCurrentProcess (), GetCurrentThread (),
6381 GetCurrentProcess (), &hMainThread
, 0, TRUE
, DUPLICATE_SAME_ACCESS
);
6383 /* Wait for thread to start */
6388 PeekMessage (&msg
, NULL
, 0, 0, PM_NOREMOVE
);
6390 hWindowsThread
= CreateThread (NULL
, 0,
6391 (LPTHREAD_START_ROUTINE
) w32_msg_worker
,
6392 0, 0, &dwWindowsThreadId
);
6394 GetMessage (&msg
, NULL
, WM_EMACS_DONE
, WM_EMACS_DONE
);
6397 /* It is desirable that mainThread should have the same notion of
6398 focus window and active window as windowsThread. Unfortunately, the
6399 following call to AttachThreadInput, which should do precisely what
6400 we need, causes major problems when Emacs is linked as a console
6401 program. Unfortunately, we have good reasons for doing that, so
6402 instead we need to send messages to windowsThread to make some API
6403 calls for us (ones that affect, or depend on, the active/focus
6405 #ifdef ATTACH_THREADS
6406 AttachThreadInput (dwMainThreadId
, dwWindowsThreadId
, TRUE
);
6409 /* Dynamically link to optional system components. */
6411 HANDLE user_lib
= LoadLibrary ("user32.dll");
6412 UINT smoothing_type
;
6413 BOOL smoothing_enabled
;
6415 #define LOAD_PROC(fn) pfn##fn = (void *) GetProcAddress (user_lib, #fn)
6417 /* New proportional scroll bar functions. */
6418 LOAD_PROC (SetScrollInfo
);
6419 LOAD_PROC (GetScrollInfo
);
6423 FreeLibrary (user_lib
);
6425 /* If using proportional scroll bars, ensure handle is at least 5 pixels;
6426 otherwise use the fixed height. */
6427 vertical_scroll_bar_min_handle
= (pfnSetScrollInfo
!= NULL
) ? 5 :
6428 GetSystemMetrics (SM_CYVTHUMB
);
6430 /* For either kind of scroll bar, take account of the arrows; these
6431 effectively form the border of the main scroll bar range. */
6432 vertical_scroll_bar_top_border
= vertical_scroll_bar_bottom_border
6433 = GetSystemMetrics (SM_CYVSCROLL
);
6435 /* Constants that are not always defined by the system headers
6436 since they only exist on certain versions of Windows. */
6437 #ifndef SPI_GETFONTSMOOTHING
6438 #define SPI_GETFONTSMOOTHING 0x4A
6440 #ifndef SPI_GETFONTSMOOTHINGTYPE
6441 #define SPI_GETFONTSMOOTHINGTYPE 0x0200A
6443 #ifndef FE_FONTSMOOTHINGCLEARTYPE
6444 #define FE_FONTSMOOTHINGCLEARTYPE 0x2
6447 /* Determine if Cleartype is in use. Used to enable a hack in
6448 the char metric calculations which adds extra pixels to
6449 compensate for the "sub-pixels" that are not counted by the
6452 SystemParametersInfo (SPI_GETFONTSMOOTHING
, 0, &smoothing_enabled
, 0)
6453 && smoothing_enabled
6454 && SystemParametersInfo (SPI_GETFONTSMOOTHINGTYPE
, 0, &smoothing_type
, 0)
6455 && smoothing_type
== FE_FONTSMOOTHINGCLEARTYPE
;
6462 staticpro (&w32_display_name_list
);
6463 w32_display_name_list
= Qnil
;
6465 staticpro (&last_mouse_scroll_bar
);
6466 last_mouse_scroll_bar
= Qnil
;
6468 staticpro (&Qvendor_specific_keysyms
);
6469 Qvendor_specific_keysyms
= intern ("vendor-specific-keysyms");
6471 DEFVAR_INT ("w32-num-mouse-buttons",
6472 &w32_num_mouse_buttons
,
6473 doc
: /* Number of physical mouse buttons. */);
6474 w32_num_mouse_buttons
= 2;
6476 DEFVAR_LISP ("w32-swap-mouse-buttons",
6477 &Vw32_swap_mouse_buttons
,
6478 doc
: /* Swap the mapping of middle and right mouse buttons.
6479 When nil, middle button is mouse-2 and right button is mouse-3. */);
6480 Vw32_swap_mouse_buttons
= Qnil
;
6482 DEFVAR_LISP ("w32-grab-focus-on-raise",
6483 &Vw32_grab_focus_on_raise
,
6484 doc
: /* Raised frame grabs input focus.
6485 When t, `raise-frame' grabs input focus as well. This fits well
6486 with the normal Windows click-to-focus policy, but might not be
6487 desirable when using a point-to-focus policy. */);
6488 Vw32_grab_focus_on_raise
= Qt
;
6490 DEFVAR_LISP ("w32-capslock-is-shiftlock",
6491 &Vw32_capslock_is_shiftlock
,
6492 doc
: /* Apply CapsLock state to non character input keys.
6493 When nil, CapsLock only affects normal character input keys. */);
6494 Vw32_capslock_is_shiftlock
= Qnil
;
6496 DEFVAR_LISP ("w32-recognize-altgr",
6497 &Vw32_recognize_altgr
,
6498 doc
: /* Recognize right-alt and left-ctrl as AltGr.
6499 When nil, the right-alt and left-ctrl key combination is
6500 interpreted normally. */);
6501 Vw32_recognize_altgr
= Qt
;
6503 DEFVAR_BOOL ("w32-enable-unicode-output",
6504 &w32_enable_unicode_output
,
6505 doc
: /* Enable the use of Unicode for text output if non-nil.
6506 Unicode output may prevent some third party applications for displaying
6507 Far-East Languages on Windows 95/98 from working properly.
6508 NT uses Unicode internally anyway, so this flag will probably have no
6509 affect on NT machines. */);
6510 w32_enable_unicode_output
= 1;
6512 DEFVAR_BOOL ("w32-use-visible-system-caret",
6513 &w32_use_visible_system_caret
,
6514 doc
: /* Flag to make the system caret visible.
6515 When this is non-nil, Emacs will indicate the position of point by
6516 using the system caret instead of drawing its own cursor. Some screen
6517 reader software does not track the system cursor properly when it is
6518 invisible, and gets confused by Emacs drawing its own cursor, so this
6519 variable is initialized to t when Emacs detects that screen reader
6520 software is running as it starts up.
6522 When this variable is set, other variables affecting the appearance of
6523 the cursor have no effect. */);
6525 w32_use_visible_system_caret
= 0;
6527 /* We don't yet support this, but defining this here avoids whining
6528 from cus-start.el and other places, like "M-x set-variable". */
6529 DEFVAR_BOOL ("x-use-underline-position-properties",
6530 &x_use_underline_position_properties
,
6531 doc
: /* *Non-nil means make use of UNDERLINE_POSITION font properties.
6532 nil means ignore them. If you encounter fonts with bogus
6533 UNDERLINE_POSITION font properties, for example 7x13 on XFree prior
6534 to 4.1, set this to nil.
6536 NOTE: Not supported on MS-Windows yet. */);
6537 x_use_underline_position_properties
= 0;
6539 DEFVAR_LISP ("x-toolkit-scroll-bars", &Vx_toolkit_scroll_bars
,
6540 doc
: /* If not nil, Emacs uses toolkit scroll bars. */);
6541 Vx_toolkit_scroll_bars
= Qt
;
6543 staticpro (&last_mouse_motion_frame
);
6544 last_mouse_motion_frame
= Qnil
;
6547 /* arch-tag: 5fa70624-ab86-499c-8a85-473958ee4646
6548 (do not change this comment) */