1 /* Implementation of GUI terminal on the Microsoft W32 API.
2 Copyright (C) 1989, 93, 94, 95, 96, 1997, 1998, 1999, 2000, 2001
3 Free Software Foundation, Inc.
5 This file is part of GNU Emacs.
7 GNU Emacs is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2, or (at your option)
12 GNU Emacs is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with GNU Emacs; see the file COPYING. If not, write to
19 the Free Software Foundation, Inc., 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 Lisp_Object last_mouse_press_frame
;
188 int w32_num_mouse_buttons
;
190 Lisp_Object Vw32_swap_mouse_buttons
;
192 /* Control whether x_raise_frame also sets input focus. */
193 Lisp_Object Vw32_grab_focus_on_raise
;
195 /* Control whether Caps Lock affects non-ascii characters. */
196 Lisp_Object Vw32_capslock_is_shiftlock
;
198 /* Control whether right-alt and left-ctrl should be recognized as AltGr. */
199 Lisp_Object Vw32_recognize_altgr
;
201 /* The scroll bar in which the last motion event occurred.
203 If the last motion event occurred in a scroll bar, we set this
204 so w32_mouse_position can know whether to report a scroll bar motion or
207 If the last motion event didn't occur in a scroll bar, we set this
208 to Qnil, to tell w32_mouse_position to return an ordinary motion event. */
209 static Lisp_Object last_mouse_scroll_bar
;
210 static int last_mouse_scroll_bar_pos
;
212 /* This is a hack. We would really prefer that w32_mouse_position would
213 return the time associated with the position it returns, but there
214 doesn't seem to be any way to wrest the time-stamp from the server
215 along with the position query. So, we just keep track of the time
216 of the last movement we received, and return that in hopes that
217 it's somewhat accurate. */
219 static Time last_mouse_movement_time
;
221 /* Incremented by w32_read_socket whenever it really tries to read
225 static int volatile input_signal_count
;
227 static int input_signal_count
;
230 extern Lisp_Object Vcommand_line_args
, Vsystem_name
;
236 /* A mask of extra modifier bits to put into every keyboard char. */
238 extern EMACS_INT extra_keyboard_modifiers
;
240 static void x_update_window_end
P_ ((struct window
*, int, int));
241 void w32_delete_display
P_ ((struct w32_display_info
*));
242 static void w32_handle_tool_bar_click
P_ ((struct frame
*,
243 struct input_event
*));
244 void w32_define_cursor
P_ ((Window
, Cursor
));
246 void x_lower_frame
P_ ((struct frame
*));
247 void x_scroll_bar_clear
P_ ((struct frame
*));
248 void x_wm_set_size_hint
P_ ((struct frame
*, long, int));
249 void x_raise_frame
P_ ((struct frame
*));
250 void x_set_window_size
P_ ((struct frame
*, int, int, int));
251 void x_wm_set_window_state
P_ ((struct frame
*, int));
252 void x_wm_set_icon_pixmap
P_ ((struct frame
*, int));
253 void w32_initialize
P_ ((void));
254 static void x_font_min_bounds
P_ ((XFontStruct
*, int *, int *));
255 int x_compute_min_glyph_bounds
P_ ((struct frame
*));
256 static void x_update_end
P_ ((struct frame
*));
257 static void w32_frame_up_to_date
P_ ((struct frame
*));
258 static void w32_set_terminal_modes
P_ ((void));
259 static void w32_reset_terminal_modes
P_ ((void));
260 static void x_clear_frame
P_ ((void));
261 static void frame_highlight
P_ ((struct frame
*));
262 static void frame_unhighlight
P_ ((struct frame
*));
263 static void x_new_focus_frame
P_ ((struct w32_display_info
*,
265 static void x_focus_changed
P_ ((int, int, struct w32_display_info
*,
266 struct frame
*, struct input_event
*));
267 static void w32_detect_focus_change
P_ ((struct w32_display_info
*,
268 W32Msg
*, struct input_event
*));
269 static void w32_frame_rehighlight
P_ ((struct frame
*));
270 static void x_frame_rehighlight
P_ ((struct w32_display_info
*));
271 static void x_draw_hollow_cursor
P_ ((struct window
*, struct glyph_row
*));
272 static void x_draw_bar_cursor
P_ ((struct window
*, struct glyph_row
*, int,
273 enum text_cursor_kinds
));
274 static void w32_clip_to_row
P_ ((struct window
*, struct glyph_row
*, int, HDC
));
276 static Lisp_Object Qvendor_specific_keysyms
;
279 /***********************************************************************
281 ***********************************************************************/
285 /* This is a function useful for recording debugging information about
286 the sequence of occurrences in this file. */
294 struct record event_record
[100];
296 int event_record_index
;
298 record_event (locus
, type
)
302 if (event_record_index
== sizeof (event_record
) / sizeof (struct record
))
303 event_record_index
= 0;
305 event_record
[event_record_index
].locus
= locus
;
306 event_record
[event_record_index
].type
= type
;
307 event_record_index
++;
314 XChangeGC (void * ignore
, XGCValues
* gc
, unsigned long mask
,
317 if (mask
& GCForeground
)
318 gc
->foreground
= xgcv
->foreground
;
319 if (mask
& GCBackground
)
320 gc
->background
= xgcv
->background
;
322 gc
->font
= xgcv
->font
;
325 XGCValues
*XCreateGC (void * ignore
, Window window
, unsigned long mask
,
328 XGCValues
*gc
= (XGCValues
*) xmalloc (sizeof (XGCValues
));
329 bzero (gc
, sizeof (XGCValues
));
331 XChangeGC (ignore
, gc
, mask
, xgcv
);
337 XGetGCValues (void* ignore
, XGCValues
*gc
,
338 unsigned long mask
, XGCValues
*xgcv
)
340 XChangeGC (ignore
, xgcv
, mask
, gc
);
344 w32_set_clip_rectangle (HDC hdc
, RECT
*rect
)
348 HRGN clip_region
= CreateRectRgnIndirect (rect
);
349 SelectClipRgn (hdc
, clip_region
);
350 DeleteObject (clip_region
);
353 SelectClipRgn (hdc
, NULL
);
357 /* Draw a hollow rectangle at the specified position. */
359 w32_draw_rectangle (HDC hdc
, XGCValues
*gc
, int x
, int y
,
360 int width
, int height
)
365 hb
= CreateSolidBrush (gc
->background
);
366 hp
= CreatePen (PS_SOLID
, 0, gc
->foreground
);
367 oldhb
= SelectObject (hdc
, hb
);
368 oldhp
= SelectObject (hdc
, hp
);
370 Rectangle (hdc
, x
, y
, x
+ width
, y
+ height
);
372 SelectObject (hdc
, oldhb
);
373 SelectObject (hdc
, oldhp
);
378 /* Draw a filled rectangle at the specified position. */
380 w32_fill_rect (f
, hdc
, pix
, lprect
)
388 hb
= CreateSolidBrush (pix
);
389 FillRect (hdc
, lprect
, hb
);
398 HDC hdc
= get_frame_dc (f
);
400 /* Under certain conditions, this can be called at startup with
401 a console frame pointer before the GUI frame is created. An HDC
402 of 0 indicates this. */
405 GetClientRect (FRAME_W32_WINDOW (f
), &rect
);
406 w32_clear_rect (f
, hdc
, &rect
);
409 release_frame_dc (f
, hdc
);
413 /***********************************************************************
414 Starting and ending an update
415 ***********************************************************************/
417 /* Start an update of frame F. This function is installed as a hook
418 for update_begin, i.e. it is called when update_begin is called.
419 This function is called prior to calls to x_update_window_begin for
420 each window being updated. */
426 struct w32_display_info
*display_info
= FRAME_W32_DISPLAY_INFO (f
);
428 if (! FRAME_W32_P (f
))
431 /* Regenerate display palette before drawing if list of requested
432 colors has changed. */
433 if (display_info
->regen_palette
)
435 w32_regenerate_palette (f
);
436 display_info
->regen_palette
= FALSE
;
441 /* Start update of window W. Set the global variable updated_window
442 to the window being updated and set output_cursor to the cursor
446 x_update_window_begin (w
)
449 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
450 struct w32_display_info
*display_info
= FRAME_W32_DISPLAY_INFO (f
);
452 /* Hide the system caret during an update. */
453 if (w32_use_visible_system_caret
&& w32_system_caret_hwnd
)
455 SendMessage (w32_system_caret_hwnd
, WM_EMACS_HIDE_CARET
, 0, 0);
459 set_output_cursor (&w
->cursor
);
463 if (f
== display_info
->mouse_face_mouse_frame
)
465 /* Don't do highlighting for mouse motion during the update. */
466 display_info
->mouse_face_defer
= 1;
468 /* If F needs to be redrawn, simply forget about any prior mouse
470 if (FRAME_GARBAGED_P (f
))
471 display_info
->mouse_face_window
= Qnil
;
473 #if 0 /* Rows in a current matrix containing glyphs in mouse-face have
474 their mouse_face_p flag set, which means that they are always
475 unequal to rows in a desired matrix which never have that
476 flag set. So, rows containing mouse-face glyphs are never
477 scrolled, and we don't have to switch the mouse highlight off
478 here to prevent it from being scrolled. */
480 /* Can we tell that this update does not affect the window
481 where the mouse highlight is? If so, no need to turn off.
482 Likewise, don't do anything if the frame is garbaged;
483 in that case, the frame's current matrix that we would use
484 is all wrong, and we will redisplay that line anyway. */
485 if (!NILP (display_info
->mouse_face_window
)
486 && w
== XWINDOW (display_info
->mouse_face_window
))
490 for (i
= 0; i
< w
->desired_matrix
->nrows
; ++i
)
491 if (MATRIX_ROW_ENABLED_P (w
->desired_matrix
, i
))
494 if (i
< w
->desired_matrix
->nrows
)
495 clear_mouse_face (display_info
);
503 /* Draw a vertical window border from (x,y0) to (x,y1) */
506 w32_draw_vertical_window_border (w
, x
, y0
, y1
)
510 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
520 hdc
= get_frame_dc (f
);
521 face
= FACE_FROM_ID (f
, VERTICAL_BORDER_FACE_ID
);
523 w32_fill_rect (f
, hdc
, face
->foreground
, &r
);
525 w32_fill_rect (f
, hdc
, FRAME_FOREGROUND_PIXEL (f
), &r
);
527 release_frame_dc (f
, hdc
);
531 /* End update of window W (which is equal to updated_window).
533 Draw vertical borders between horizontally adjacent windows, and
534 display W's cursor if CURSOR_ON_P is non-zero.
536 MOUSE_FACE_OVERWRITTEN_P non-zero means that some row containing
537 glyphs in mouse-face were overwritten. In that case we have to
538 make sure that the mouse-highlight is properly redrawn.
540 W may be a menu bar pseudo-window in case we don't have X toolkit
541 support. Such windows don't have a cursor, so don't display it
545 x_update_window_end (w
, cursor_on_p
, mouse_face_overwritten_p
)
547 int cursor_on_p
, mouse_face_overwritten_p
;
549 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (XFRAME (w
->frame
));
551 if (!w
->pseudo_window_p
)
556 display_and_set_cursor (w
, 1, output_cursor
.hpos
,
558 output_cursor
.x
, output_cursor
.y
);
560 if (draw_window_fringes (w
, 1))
561 x_draw_vertical_border (w
);
566 /* If a row with mouse-face was overwritten, arrange for
567 XTframe_up_to_date to redisplay the mouse highlight. */
568 if (mouse_face_overwritten_p
)
570 dpyinfo
->mouse_face_beg_row
= dpyinfo
->mouse_face_beg_col
= -1;
571 dpyinfo
->mouse_face_end_row
= dpyinfo
->mouse_face_end_col
= -1;
572 dpyinfo
->mouse_face_window
= Qnil
;
575 /* Unhide the caret. This won't actually show the cursor, unless it
576 was visible before the corresponding call to HideCaret in
577 x_update_window_begin. */
578 if (w32_use_visible_system_caret
&& w32_system_caret_hwnd
)
580 SendMessage (w32_system_caret_hwnd
, WM_EMACS_SHOW_CARET
, 0, 0);
583 updated_window
= NULL
;
587 /* End update of frame F. This function is installed as a hook in
594 if (! FRAME_W32_P (f
))
597 /* Mouse highlight may be displayed again. */
598 FRAME_W32_DISPLAY_INFO (f
)->mouse_face_defer
= 0;
602 /* This function is called from various places in xdisp.c whenever a
603 complete update has been performed. The global variable
604 updated_window is not available here. */
607 w32_frame_up_to_date (f
)
612 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
614 if (dpyinfo
->mouse_face_deferred_gc
615 || f
== dpyinfo
->mouse_face_mouse_frame
)
618 if (dpyinfo
->mouse_face_mouse_frame
)
619 note_mouse_highlight (dpyinfo
->mouse_face_mouse_frame
,
620 dpyinfo
->mouse_face_mouse_x
,
621 dpyinfo
->mouse_face_mouse_y
);
622 dpyinfo
->mouse_face_deferred_gc
= 0;
629 /* Draw truncation mark bitmaps, continuation mark bitmaps, overlay
630 arrow bitmaps, or clear the fringes if no bitmaps are required
631 before DESIRED_ROW is made current. The window being updated is
632 found in updated_window. This function is called from
633 update_window_line only if it is known that there are differences
634 between bitmaps to be drawn between current row and DESIRED_ROW. */
637 x_after_update_window_line (desired_row
)
638 struct glyph_row
*desired_row
;
640 struct window
*w
= updated_window
;
646 if (!desired_row
->mode_line_p
&& !w
->pseudo_window_p
)
647 desired_row
->redraw_fringe_bitmaps_p
= 1;
649 /* When a window has disappeared, make sure that no rest of
650 full-width rows stays visible in the internal border. Could
651 check here if updated_window is the leftmost/rightmost window,
652 but I guess it's not worth doing since vertically split windows
653 are almost never used, internal border is rarely set, and the
654 overhead is very small. */
655 if (windows_or_buffers_changed
656 && desired_row
->full_width_p
657 && (f
= XFRAME (w
->frame
),
658 width
= FRAME_INTERNAL_BORDER_WIDTH (f
),
660 && (height
= desired_row
->visible_height
,
663 int y
= WINDOW_TO_FRAME_PIXEL_Y (w
, max (0, desired_row
->y
));
665 /* Internal border is drawn below the tool bar. */
666 if (WINDOWP (f
->tool_bar_window
)
667 && w
== XWINDOW (f
->tool_bar_window
))
672 HDC hdc
= get_frame_dc (f
);
673 w32_clear_area (f
, hdc
, 0, y
, width
, height
);
674 w32_clear_area (f
, hdc
, FRAME_PIXEL_WIDTH (f
) - width
,
676 release_frame_dc (f
, hdc
);
683 /* Draw the bitmap WHICH in one of the left or right fringes of
684 window W. ROW is the glyph row for which to display the bitmap; it
685 determines the vertical position at which the bitmap has to be
689 w32_draw_fringe_bitmap (w
, row
, p
)
691 struct glyph_row
*row
;
692 struct draw_fringe_bitmap_params
*p
;
694 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
696 struct face
*face
= p
->face
;
699 hdc
= get_frame_dc (f
);
701 /* Must clip because of partially visible lines. */
702 rowY
= WINDOW_TO_FRAME_PIXEL_Y (w
, row
->y
);
705 /* Adjust position of "bottom aligned" bitmap on partially
708 int oldVH
= row
->visible_height
;
709 row
->visible_height
= p
->h
;
710 row
->y
-= rowY
- p
->y
;
711 w32_clip_to_row (w
, row
, -1, hdc
);
713 row
->visible_height
= oldVH
;
716 w32_clip_to_row (w
, row
, -1, hdc
);
718 if (p
->bx
>= 0 && !p
->overlay_p
)
720 w32_fill_area (f
, hdc
, face
->background
,
721 p
->bx
, p
->by
, p
->nx
, p
->ny
);
724 if (p
->which
&& p
->which
< max_fringe_bmp
)
726 HBITMAP pixmap
= fringe_bmp
[p
->which
];
730 compat_hdc
= CreateCompatibleDC (hdc
);
734 horig_obj
= SelectObject (compat_hdc
, pixmap
);
736 /* Paint overlays transparently. */
739 HBRUSH h_brush
, h_orig_brush
;
741 SetTextColor (hdc
, BLACK_PIX_DEFAULT (f
));
742 SetBkColor (hdc
, WHITE_PIX_DEFAULT (f
));
743 h_brush
= CreateSolidBrush (face
->foreground
);
744 h_orig_brush
= SelectObject (hdc
, h_brush
);
746 BitBlt (hdc
, p
->x
, p
->y
, p
->wd
, p
->h
,
747 compat_hdc
, 0, p
->dh
,
749 BitBlt (hdc
, p
->x
, p
->y
, p
->wd
, p
->h
,
750 compat_hdc
, 0, p
->dh
,
752 BitBlt (hdc
, p
->x
, p
->y
, p
->wd
, p
->h
,
753 compat_hdc
, 0, p
->dh
,
756 SelectObject (hdc
, h_orig_brush
);
757 DeleteObject (h_brush
);
761 SetTextColor (hdc
, face
->background
);
762 SetBkColor (hdc
, (p
->cursor_p
763 ? f
->output_data
.w32
->cursor_pixel
764 : face
->foreground
));
766 BitBlt (hdc
, p
->x
, p
->y
, p
->wd
, p
->h
,
767 compat_hdc
, 0, p
->dh
,
771 SelectObject (compat_hdc
, horig_obj
);
772 DeleteDC (compat_hdc
);
776 w32_set_clip_rectangle (hdc
, NULL
);
778 release_frame_dc (f
, hdc
);
782 w32_define_fringe_bitmap (which
, bits
, h
, wd
)
784 unsigned short *bits
;
787 if (which
>= max_fringe_bmp
)
789 int i
= max_fringe_bmp
;
790 max_fringe_bmp
= which
+ 20;
791 fringe_bmp
= (HBITMAP
*) xrealloc (fringe_bmp
, max_fringe_bmp
* sizeof (HBITMAP
));
792 while (i
< max_fringe_bmp
)
796 fringe_bmp
[which
] = CreateBitmap (wd
, h
, 1, 1, bits
);
800 w32_destroy_fringe_bitmap (which
)
803 if (which
>= max_fringe_bmp
)
806 if (fringe_bmp
[which
])
807 DeleteObject (fringe_bmp
[which
]);
808 fringe_bmp
[which
] = 0;
813 /* This is called when starting Emacs and when restarting after
814 suspend. When starting Emacs, no window is mapped. And nothing
815 must be done to Emacs's own window if it is suspended (though that
819 w32_set_terminal_modes (void)
823 /* This is called when exiting or suspending Emacs. Exiting will make
824 the W32 windows go away, and suspending requires no action. */
827 w32_reset_terminal_modes (void)
833 /***********************************************************************
835 ***********************************************************************/
837 /* Function prototypes of this page. */
839 XCharStruct
*w32_per_char_metric
P_ ((XFontStruct
*, wchar_t *, int));
840 static int w32_encode_char
P_ ((int, wchar_t *, struct font_info
*, int *));
843 /* Get metrics of character CHAR2B in FONT. Value is always non-null.
844 If CHAR2B is not contained in FONT, the font's default character
845 metric is returned. */
848 w32_bdf_per_char_metric (font
, char2b
, dim
, pcm
)
854 glyph_metric
* bdf_metric
;
858 buf
[0] = (char)(*char2b
);
861 buf
[0] = XCHAR2B_BYTE1 (char2b
);
862 buf
[1] = XCHAR2B_BYTE2 (char2b
);
865 bdf_metric
= w32_BDF_TextMetric (font
->bdf
, buf
, dim
);
869 pcm
->width
= bdf_metric
->dwidth
;
870 pcm
->lbearing
= bdf_metric
->bbox
;
871 pcm
->rbearing
= bdf_metric
->dwidth
872 - (bdf_metric
->bbox
+ bdf_metric
->bbw
);
873 pcm
->ascent
= bdf_metric
->bboy
+ bdf_metric
->bbh
;
874 pcm
->descent
= -bdf_metric
->bboy
;
883 w32_native_per_char_metric (font
, char2b
, font_type
, pcm
)
886 enum w32_char_font_type font_type
;
889 HDC hdc
= GetDC (NULL
);
893 xassert (font
&& char2b
);
894 xassert (font
->hfont
);
895 xassert (font_type
== UNICODE_FONT
|| font_type
== ANSI_FONT
);
897 old_font
= SelectObject (hdc
, font
->hfont
);
899 if ((font
->tm
.tmPitchAndFamily
& TMPF_TRUETYPE
) != 0)
903 if (font_type
== UNICODE_FONT
)
904 retval
= GetCharABCWidthsW (hdc
, *char2b
, *char2b
, &char_widths
);
906 retval
= GetCharABCWidthsA (hdc
, *char2b
, *char2b
, &char_widths
);
911 /* Disabled until we can find a way to get the right results
912 on all versions of Windows. */
914 /* Don't trust the ABC widths. For synthesized fonts they are
915 wrong, and so is the result of GetCharWidth()! */
917 GetCharWidth (hdc
, *char2b
, *char2b
, &real_width
);
919 if (cleartype_active
)
921 /* Cleartype antialiasing causes characters to overhang
922 by a pixel on each side compared with what GetCharABCWidths
924 char_widths
.abcA
-= 1;
925 char_widths
.abcC
-= 1;
926 char_widths
.abcB
+= 2;
929 pcm
->width
= char_widths
.abcA
+ char_widths
.abcB
+ char_widths
.abcC
;
931 /* As far as I can tell, this is the best way to determine what
932 ExtTextOut will do with the broken font. */
933 if (pcm
->width
!= real_width
)
934 pcm
->width
= (pcm
->width
+ real_width
) / 2;
936 pcm
->lbearing
= char_widths
.abcA
;
937 pcm
->rbearing
= char_widths
.abcA
+ char_widths
.abcB
;
938 pcm
->ascent
= FONT_BASE (font
);
939 pcm
->descent
= FONT_DESCENT (font
);
945 /* Either font is not a True-type font, or GetCharABCWidthsW
946 failed (it is not supported on Windows 9x for instance), so we
947 can't determine the full info we would like. All is not lost
948 though - we can call GetTextExtentPoint32 to get rbearing and
949 deduce width based on the font's per-string overhang. lbearing
950 is assumed to be zero. */
952 /* TODO: Some Thai characters (and other composites if Windows
953 supports them) do have lbearing, and report their total width
954 as zero. Need some way of handling them when
955 GetCharABCWidthsW fails. */
958 if (font_type
== UNICODE_FONT
)
959 retval
= GetTextExtentPoint32W (hdc
, char2b
, 1, &sz
);
961 retval
= GetTextExtentPoint32A (hdc
, (char*)char2b
, 1, &sz
);
965 pcm
->width
= sz
.cx
- font
->tm
.tmOverhang
;
966 pcm
->rbearing
= sz
.cx
;
968 pcm
->ascent
= FONT_BASE (font
);
969 pcm
->descent
= FONT_DESCENT (font
);
974 if (pcm
->width
== 0 && (pcm
->rbearing
- pcm
->lbearing
) == 0)
979 SelectObject (hdc
, old_font
);
980 ReleaseDC (NULL
, hdc
);
987 w32_per_char_metric (font
, char2b
, font_type
)
990 int /* enum w32_char_font_type */ font_type
;
992 /* The result metric information. */
996 xassert (font
&& char2b
);
998 /* TODO: This function is currently called through the RIF, and in
999 some cases font_type is UNKNOWN_FONT. We currently allow the
1000 cached metrics to be used, which seems to work, but in cases
1001 where font_type is UNKNOWN_FONT, we probably haven't encoded
1002 char2b appropriately. All callers need checking to see what they
1003 are passing. This is most likely to affect variable width fonts
1004 outside the Latin-1 range, particularly in languages like Thai
1005 that rely on rbearing and lbearing to provide composition. I
1006 don't think that is working currently anyway, but we don't seem
1007 to have anyone testing such languages on Windows. */
1009 /* Handle the common cases quickly. */
1010 if (!font
->bdf
&& font
->per_char
== NULL
)
1011 /* TODO: determine whether char2b exists in font? */
1012 return &font
->max_bounds
;
1013 else if (!font
->bdf
&& *char2b
< 128)
1014 return &font
->per_char
[*char2b
];
1016 xassert (font_type
!= UNKNOWN_FONT
);
1018 pcm
= &font
->scratch
;
1020 if (font_type
== BDF_1D_FONT
)
1021 retval
= w32_bdf_per_char_metric (font
, char2b
, 1, pcm
);
1022 else if (font_type
== BDF_2D_FONT
)
1023 retval
= w32_bdf_per_char_metric (font
, char2b
, 2, pcm
);
1025 retval
= w32_native_per_char_metric (font
, char2b
, font_type
, pcm
);
1034 w32_cache_char_metrics (font
)
1037 wchar_t char2b
= L
'x';
1039 /* Cache char metrics for the common cases. */
1042 /* TODO: determine whether font is fixed-pitch. */
1043 if (!w32_bdf_per_char_metric (font
, &char2b
, 1, &font
->max_bounds
))
1045 /* Use the font width and height as max bounds, as not all BDF
1046 fonts contain the letter 'x'. */
1047 font
->max_bounds
.width
= FONT_MAX_WIDTH (font
);
1048 font
->max_bounds
.lbearing
= -font
->bdf
->llx
;
1049 font
->max_bounds
.rbearing
= FONT_MAX_WIDTH (font
) - font
->bdf
->urx
;
1050 font
->max_bounds
.ascent
= FONT_BASE (font
);
1051 font
->max_bounds
.descent
= FONT_DESCENT (font
);
1056 if (((font
->tm
.tmPitchAndFamily
& TMPF_FIXED_PITCH
) != 0)
1057 /* Some fonts (eg DBCS fonts) are marked as fixed width even
1058 though they contain characters of different widths. */
1059 || (font
->tm
.tmMaxCharWidth
!= font
->tm
.tmAveCharWidth
))
1061 /* Font is not fixed pitch, so cache per_char info for the
1062 ASCII characters. It would be much more work, and probably
1063 not worth it, to cache other chars, since we may change
1064 between using Unicode and ANSI text drawing functions at
1068 font
->per_char
= xmalloc (128 * sizeof(XCharStruct
));
1069 for (i
= 0; i
< 128; i
++)
1072 w32_native_per_char_metric (font
, &char2b
, ANSI_FONT
,
1073 &font
->per_char
[i
]);
1077 w32_native_per_char_metric (font
, &char2b
, ANSI_FONT
,
1083 /* Determine if a font is double byte. */
1084 int w32_font_is_double_byte (XFontStruct
*font
)
1086 return font
->double_byte_p
;
1091 w32_use_unicode_for_codepage (codepage
)
1094 /* If the current codepage is supported, use Unicode for output. */
1095 return (w32_enable_unicode_output
1096 && codepage
!= CP_8BIT
1097 && (codepage
== CP_UNICODE
|| IsValidCodePage (codepage
)));
1100 /* Encode CHAR2B using encoding information from FONT_INFO. CHAR2B is
1101 the two-byte form of C. Encoding is returned in *CHAR2B. */
1103 static int /* enum w32_char_font_type */
1104 w32_encode_char (c
, char2b
, font_info
, two_byte_p
)
1107 struct font_info
*font_info
;
1110 int charset
= CHAR_CHARSET (c
);
1113 int internal_two_byte_p
= 0;
1115 XFontStruct
*font
= font_info
->font
;
1117 internal_two_byte_p
= w32_font_is_double_byte (font
);
1119 /* FONT_INFO may define a scheme by which to encode byte1 and byte2.
1120 This may be either a program in a special encoder language or a
1122 if (font_info
->font_encoder
)
1124 /* It's a program. */
1125 struct ccl_program
*ccl
= font_info
->font_encoder
;
1127 if (CHARSET_DIMENSION (charset
) == 1)
1129 ccl
->reg
[0] = charset
;
1130 ccl
->reg
[1] = XCHAR2B_BYTE2 (char2b
);
1135 ccl
->reg
[0] = charset
;
1136 ccl
->reg
[1] = XCHAR2B_BYTE1 (char2b
);
1137 ccl
->reg
[2] = XCHAR2B_BYTE2 (char2b
);
1140 ccl_driver (ccl
, NULL
, NULL
, 0, 0, NULL
);
1142 /* We assume that MSBs are appropriately set/reset by CCL
1144 if (!internal_two_byte_p
) /* 1-byte font */
1145 STORE_XCHAR2B (char2b
, 0, ccl
->reg
[1]);
1147 STORE_XCHAR2B (char2b
, ccl
->reg
[1], ccl
->reg
[2]);
1149 else if (font_info
->encoding
[charset
])
1151 /* Fixed encoding scheme. See fontset.h for the meaning of the
1152 encoding numbers. */
1153 int enc
= font_info
->encoding
[charset
];
1155 if ((enc
== 1 || enc
== 2)
1156 && CHARSET_DIMENSION (charset
) == 2)
1157 STORE_XCHAR2B (char2b
, XCHAR2B_BYTE1 (char2b
) | 0x80, XCHAR2B_BYTE2 (char2b
));
1159 if (enc
== 1 || enc
== 3
1160 || (enc
== 4 && CHARSET_DIMENSION (charset
) == 1))
1161 STORE_XCHAR2B (char2b
, XCHAR2B_BYTE1 (char2b
), XCHAR2B_BYTE2 (char2b
) | 0x80);
1166 ENCODE_SJIS (XCHAR2B_BYTE1 (char2b
), XCHAR2B_BYTE2 (char2b
),
1168 STORE_XCHAR2B (char2b
, sjis1
, sjis2
);
1171 codepage
= font_info
->codepage
;
1173 /* If charset is not ASCII or Latin-1, may need to move it into
1175 if ( font
&& !font
->bdf
&& w32_use_unicode_for_codepage (codepage
)
1176 && charset
!= CHARSET_ASCII
&& charset
!= charset_latin_iso8859_1
1177 && charset
!= CHARSET_8_BIT_CONTROL
&& charset
!= CHARSET_8_BIT_GRAPHIC
)
1180 temp
[0] = XCHAR2B_BYTE1 (char2b
);
1181 temp
[1] = XCHAR2B_BYTE2 (char2b
);
1183 if (codepage
!= CP_UNICODE
)
1186 MultiByteToWideChar (codepage
, 0, temp
, 2, char2b
, 1);
1188 MultiByteToWideChar (codepage
, 0, temp
+1, 1, char2b
, 1);
1191 internal_two_byte_p
= 1;
1195 *two_byte_p
= internal_two_byte_p
;
1198 return UNKNOWN_FONT
;
1199 else if (font
->bdf
&& CHARSET_DIMENSION (charset
) == 1)
1204 return UNICODE_FONT
;
1211 /***********************************************************************
1213 ***********************************************************************/
1216 /* Encapsulate the different ways of displaying text under W32. */
1219 w32_text_out (s
, x
, y
,chars
,nchars
)
1220 struct glyph_string
* s
;
1225 int charset_dim
= w32_font_is_double_byte (s
->font
) ? 2 : 1;
1227 w32_BDF_TextOut (s
->font
->bdf
, s
->hdc
,
1228 x
, y
, (char *) chars
, charset_dim
,
1229 nchars
* charset_dim
, 0);
1230 else if (s
->first_glyph
->font_type
== UNICODE_FONT
)
1231 ExtTextOutW (s
->hdc
, x
, y
, 0, NULL
, chars
, nchars
, NULL
);
1233 ExtTextOutA (s
->hdc
, x
, y
, 0, NULL
, (char *) chars
,
1234 nchars
* charset_dim
, NULL
);
1238 static void x_set_glyph_string_clipping
P_ ((struct glyph_string
*));
1239 static void x_set_glyph_string_gc
P_ ((struct glyph_string
*));
1240 static void x_draw_glyph_string_background
P_ ((struct glyph_string
*,
1242 static void x_draw_glyph_string_foreground
P_ ((struct glyph_string
*));
1243 static void x_draw_composite_glyph_string_foreground
P_ ((struct glyph_string
*));
1244 static void x_draw_glyph_string_box
P_ ((struct glyph_string
*));
1245 static void x_draw_glyph_string
P_ ((struct glyph_string
*));
1246 static void x_set_cursor_gc
P_ ((struct glyph_string
*));
1247 static void x_set_mode_line_face_gc
P_ ((struct glyph_string
*));
1248 static void x_set_mouse_face_gc
P_ ((struct glyph_string
*));
1249 static int w32_alloc_lighter_color (struct frame
*, COLORREF
*, double, int);
1250 static void w32_setup_relief_color
P_ ((struct frame
*, struct relief
*,
1251 double, int, COLORREF
));
1252 static void x_setup_relief_colors
P_ ((struct glyph_string
*));
1253 static void x_draw_image_glyph_string
P_ ((struct glyph_string
*));
1254 static void x_draw_image_relief
P_ ((struct glyph_string
*));
1255 static void x_draw_image_foreground
P_ ((struct glyph_string
*));
1256 static void w32_draw_image_foreground_1
P_ ((struct glyph_string
*, HBITMAP
));
1257 static void x_clear_glyph_string_rect
P_ ((struct glyph_string
*, int,
1259 static void w32_draw_relief_rect
P_ ((struct frame
*, int, int, int, int,
1260 int, int, int, int, int, int,
1262 static void w32_draw_box_rect
P_ ((struct glyph_string
*, int, int, int, int,
1263 int, int, int, RECT
*));
1266 static void x_check_font
P_ ((struct frame
*, XFontStruct
*));
1270 /* Set S->gc to a suitable GC for drawing glyph string S in cursor
1275 struct glyph_string
*s
;
1277 if (s
->font
== FRAME_FONT (s
->f
)
1278 && s
->face
->background
== FRAME_BACKGROUND_PIXEL (s
->f
)
1279 && s
->face
->foreground
== FRAME_FOREGROUND_PIXEL (s
->f
)
1281 s
->gc
= s
->f
->output_data
.w32
->cursor_gc
;
1284 /* Cursor on non-default face: must merge. */
1288 xgcv
.background
= s
->f
->output_data
.w32
->cursor_pixel
;
1289 xgcv
.foreground
= s
->face
->background
;
1291 /* If the glyph would be invisible, try a different foreground. */
1292 if (xgcv
.foreground
== xgcv
.background
)
1293 xgcv
.foreground
= s
->face
->foreground
;
1294 if (xgcv
.foreground
== xgcv
.background
)
1295 xgcv
.foreground
= s
->f
->output_data
.w32
->cursor_foreground_pixel
;
1296 if (xgcv
.foreground
== xgcv
.background
)
1297 xgcv
.foreground
= s
->face
->foreground
;
1299 /* Make sure the cursor is distinct from text in this face. */
1300 if (xgcv
.background
== s
->face
->background
1301 && xgcv
.foreground
== s
->face
->foreground
)
1303 xgcv
.background
= s
->face
->foreground
;
1304 xgcv
.foreground
= s
->face
->background
;
1307 IF_DEBUG (x_check_font (s
->f
, s
->font
));
1308 xgcv
.font
= s
->font
;
1309 mask
= GCForeground
| GCBackground
| GCFont
;
1311 if (FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
)
1312 XChangeGC (NULL
, FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
,
1315 FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
1316 = XCreateGC (NULL
, s
->window
, mask
, &xgcv
);
1318 s
->gc
= FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
;
1323 /* Set up S->gc of glyph string S for drawing text in mouse face. */
1326 x_set_mouse_face_gc (s
)
1327 struct glyph_string
*s
;
1332 /* What face has to be used last for the mouse face? */
1333 face_id
= FRAME_W32_DISPLAY_INFO (s
->f
)->mouse_face_face_id
;
1334 face
= FACE_FROM_ID (s
->f
, face_id
);
1336 face
= FACE_FROM_ID (s
->f
, MOUSE_FACE_ID
);
1338 if (s
->first_glyph
->type
== CHAR_GLYPH
)
1339 face_id
= FACE_FOR_CHAR (s
->f
, face
, s
->first_glyph
->u
.ch
);
1341 face_id
= FACE_FOR_CHAR (s
->f
, face
, 0);
1342 s
->face
= FACE_FROM_ID (s
->f
, face_id
);
1343 PREPARE_FACE_FOR_DISPLAY (s
->f
, s
->face
);
1345 /* If font in this face is same as S->font, use it. */
1346 if (s
->font
== s
->face
->font
)
1347 s
->gc
= s
->face
->gc
;
1350 /* Otherwise construct scratch_cursor_gc with values from FACE
1355 xgcv
.background
= s
->face
->background
;
1356 xgcv
.foreground
= s
->face
->foreground
;
1357 IF_DEBUG (x_check_font (s
->f
, s
->font
));
1358 xgcv
.font
= s
->font
;
1359 mask
= GCForeground
| GCBackground
| GCFont
;
1361 if (FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
)
1362 XChangeGC (NULL
, FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
,
1365 FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
1366 = XCreateGC (NULL
, s
->window
, mask
, &xgcv
);
1368 s
->gc
= FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
;
1371 xassert (s
->gc
!= 0);
1375 /* Set S->gc of glyph string S to a GC suitable for drawing a mode line.
1376 Faces to use in the mode line have already been computed when the
1377 matrix was built, so there isn't much to do, here. */
1380 x_set_mode_line_face_gc (s
)
1381 struct glyph_string
*s
;
1383 s
->gc
= s
->face
->gc
;
1387 /* Set S->gc of glyph string S for drawing that glyph string. Set
1388 S->stippled_p to a non-zero value if the face of S has a stipple
1392 x_set_glyph_string_gc (s
)
1393 struct glyph_string
*s
;
1395 PREPARE_FACE_FOR_DISPLAY (s
->f
, s
->face
);
1397 if (s
->hl
== DRAW_NORMAL_TEXT
)
1399 s
->gc
= s
->face
->gc
;
1400 s
->stippled_p
= s
->face
->stipple
!= 0;
1402 else if (s
->hl
== DRAW_INVERSE_VIDEO
)
1404 x_set_mode_line_face_gc (s
);
1405 s
->stippled_p
= s
->face
->stipple
!= 0;
1407 else if (s
->hl
== DRAW_CURSOR
)
1409 x_set_cursor_gc (s
);
1412 else if (s
->hl
== DRAW_MOUSE_FACE
)
1414 x_set_mouse_face_gc (s
);
1415 s
->stippled_p
= s
->face
->stipple
!= 0;
1417 else if (s
->hl
== DRAW_IMAGE_RAISED
1418 || s
->hl
== DRAW_IMAGE_SUNKEN
)
1420 s
->gc
= s
->face
->gc
;
1421 s
->stippled_p
= s
->face
->stipple
!= 0;
1425 s
->gc
= s
->face
->gc
;
1426 s
->stippled_p
= s
->face
->stipple
!= 0;
1429 /* GC must have been set. */
1430 xassert (s
->gc
!= 0);
1434 /* Set clipping for output of glyph string S. S may be part of a mode
1435 line or menu if we don't have X toolkit support. */
1438 x_set_glyph_string_clipping (s
)
1439 struct glyph_string
*s
;
1442 get_glyph_string_clip_rect (s
, &r
);
1443 w32_set_clip_rectangle (s
->hdc
, &r
);
1448 Compute left and right overhang of glyph string S. If S is a glyph
1449 string for a composition, assume overhangs don't exist. */
1452 w32_compute_glyph_string_overhangs (s
)
1453 struct glyph_string
*s
;
1455 /* TODO: Windows does not appear to have a method for
1456 getting this info without getting the ABC widths for each
1457 individual character and working it out manually. */
1462 w32_get_glyph_overhangs (glyph
, f
, left
, right
)
1463 struct glyph
*glyph
;
1467 HDC hdc
= get_frame_dc (f
);
1468 /* Convert to unicode! */
1469 x_get_glyph_overhangs (glyph
, f
, left
, right
);
1470 release_frame_dc (f
, hdc
);
1474 /* Fill rectangle X, Y, W, H with background color of glyph string S. */
1477 x_clear_glyph_string_rect (s
, x
, y
, w
, h
)
1478 struct glyph_string
*s
;
1486 /* Take clipping into account. */
1487 if (s
->gc
->clip_mask
== Rect
)
1489 real_x
= max (real_x
, s
->gc
->clip_rectangle
.left
);
1490 real_y
= max (real_y
, s
->gc
->clip_rectangle
.top
);
1491 real_w
= min (real_w
, s
->gc
->clip_rectangle
.right
1492 - s
->gc
->clip_rectangle
.left
);
1493 real_h
= min (real_h
, s
->gc
->clip_rectangle
.bottom
1494 - s
->gc
->clip_rectangle
.top
);
1497 w32_fill_area (s
->f
, s
->hdc
, s
->gc
->background
, real_x
, real_y
,
1502 /* Draw the background of glyph_string S. If S->background_filled_p
1503 is non-zero don't draw it. FORCE_P non-zero means draw the
1504 background even if it wouldn't be drawn normally. This is used
1505 when a string preceding S draws into the background of S, or S
1506 contains the first component of a composition. */
1509 x_draw_glyph_string_background (s
, force_p
)
1510 struct glyph_string
*s
;
1513 /* Nothing to do if background has already been drawn or if it
1514 shouldn't be drawn in the first place. */
1515 if (!s
->background_filled_p
)
1517 int box_line_width
= max (s
->face
->box_line_width
, 0);
1519 #if 0 /* TODO: stipple */
1522 /* Fill background with a stipple pattern. */
1523 XSetFillStyle (s
->display
, s
->gc
, FillOpaqueStippled
);
1524 XFillRectangle (s
->display
, s
->window
, s
->gc
, s
->x
,
1525 s
->y
+ box_line_width
,
1526 s
->background_width
,
1527 s
->height
- 2 * box_line_width
);
1528 XSetFillStyle (s
->display
, s
->gc
, FillSolid
);
1529 s
->background_filled_p
= 1;
1533 if (FONT_HEIGHT (s
->font
) < s
->height
- 2 * box_line_width
1534 || s
->font_not_found_p
1535 || s
->extends_to_end_of_line_p
1539 x_clear_glyph_string_rect (s
, s
->x
, s
->y
+ box_line_width
,
1540 s
->background_width
,
1541 s
->height
- 2 * box_line_width
);
1542 s
->background_filled_p
= 1;
1548 /* Draw the foreground of glyph string S. */
1551 x_draw_glyph_string_foreground (s
)
1552 struct glyph_string
*s
;
1557 /* If first glyph of S has a left box line, start drawing the text
1558 of S to the right of that box line. */
1559 if (s
->face
->box
!= FACE_NO_BOX
1560 && s
->first_glyph
->left_box_line_p
)
1561 x
= s
->x
+ abs (s
->face
->box_line_width
);
1565 if (s
->for_overlaps_p
|| (s
->background_filled_p
&& s
->hl
!= DRAW_CURSOR
))
1566 SetBkMode (s
->hdc
, TRANSPARENT
);
1568 SetBkMode (s
->hdc
, OPAQUE
);
1570 SetTextColor (s
->hdc
, s
->gc
->foreground
);
1571 SetBkColor (s
->hdc
, s
->gc
->background
);
1572 SetTextAlign (s
->hdc
, TA_BASELINE
| TA_LEFT
);
1574 if (s
->font
&& s
->font
->hfont
)
1575 old_font
= SelectObject (s
->hdc
, s
->font
->hfont
);
1577 /* Draw characters of S as rectangles if S's font could not be
1579 if (s
->font_not_found_p
)
1581 for (i
= 0; i
< s
->nchars
; ++i
)
1583 struct glyph
*g
= s
->first_glyph
+ i
;
1585 w32_draw_rectangle (s
->hdc
, s
->gc
, x
, s
->y
, g
->pixel_width
- 1,
1587 x
+= g
->pixel_width
;
1592 char *char1b
= (char *) s
->char2b
;
1593 int boff
= s
->font_info
->baseline_offset
;
1595 if (s
->font_info
->vertical_centering
)
1596 boff
= VCENTER_BASELINE_OFFSET (s
->font
, s
->f
) - boff
;
1598 /* If we can use 8-bit functions, condense S->char2b. */
1600 for (i
= 0; i
< s
->nchars
; ++i
)
1601 char1b
[i
] = XCHAR2B_BYTE2 (&s
->char2b
[i
]);
1603 /* Draw text with TextOut and friends. */
1604 w32_text_out (s
, x
, s
->ybase
- boff
, s
->char2b
, s
->nchars
);
1606 if (s
->face
->overstrike
)
1608 /* For overstriking (to simulate bold-face), draw the
1609 characters again shifted to the right by one pixel. */
1610 w32_text_out (s
, x
+ 1, s
->ybase
- boff
, s
->char2b
, s
->nchars
);
1613 if (s
->font
&& s
->font
->hfont
)
1614 SelectObject (s
->hdc
, old_font
);
1617 /* Draw the foreground of composite glyph string S. */
1620 x_draw_composite_glyph_string_foreground (s
)
1621 struct glyph_string
*s
;
1626 /* If first glyph of S has a left box line, start drawing the text
1627 of S to the right of that box line. */
1628 if (s
->face
->box
!= FACE_NO_BOX
1629 && s
->first_glyph
->left_box_line_p
)
1630 x
= s
->x
+ abs (s
->face
->box_line_width
);
1634 /* S is a glyph string for a composition. S->gidx is the index of
1635 the first character drawn for glyphs of this composition.
1636 S->gidx == 0 means we are drawing the very first character of
1637 this composition. */
1639 SetTextColor (s
->hdc
, s
->gc
->foreground
);
1640 SetBkColor (s
->hdc
, s
->gc
->background
);
1641 SetBkMode (s
->hdc
, TRANSPARENT
);
1642 SetTextAlign (s
->hdc
, TA_BASELINE
| TA_LEFT
);
1644 if (s
->font
&& s
->font
->hfont
)
1645 old_font
= SelectObject (s
->hdc
, s
->font
->hfont
);
1647 /* Draw a rectangle for the composition if the font for the very
1648 first character of the composition could not be loaded. */
1649 if (s
->font_not_found_p
)
1652 w32_draw_rectangle (s
->hdc
, s
->gc
, x
, s
->y
, s
->width
- 1,
1657 for (i
= 0; i
< s
->nchars
; i
++, ++s
->gidx
)
1659 w32_text_out (s
, x
+ s
->cmp
->offsets
[s
->gidx
* 2],
1660 s
->ybase
- s
->cmp
->offsets
[s
->gidx
* 2 + 1],
1662 if (s
->face
->overstrike
)
1663 w32_text_out (s
, x
+ s
->cmp
->offsets
[s
->gidx
* 2] + 1,
1664 s
->ybase
- s
->cmp
->offsets
[s
->gidx
* 2 + 1],
1669 if (s
->font
&& s
->font
->hfont
)
1670 SelectObject (s
->hdc
, old_font
);
1674 /* Brightness beyond which a color won't have its highlight brightness
1677 Nominally, highlight colors for `3d' faces are calculated by
1678 brightening an object's color by a constant scale factor, but this
1679 doesn't yield good results for dark colors, so for colors who's
1680 brightness is less than this value (on a scale of 0-255) have to
1681 use an additional additive factor.
1683 The value here is set so that the default menu-bar/mode-line color
1684 (grey75) will not have its highlights changed at all. */
1685 #define HIGHLIGHT_COLOR_DARK_BOOST_LIMIT 187
1688 /* Allocate a color which is lighter or darker than *COLOR by FACTOR
1689 or DELTA. Try a color with RGB values multiplied by FACTOR first.
1690 If this produces the same color as COLOR, try a color where all RGB
1691 values have DELTA added. Return the allocated color in *COLOR.
1692 DISPLAY is the X display, CMAP is the colormap to operate on.
1693 Value is non-zero if successful. */
1696 w32_alloc_lighter_color (f
, color
, factor
, delta
)
1705 /* On Windows, RGB values are 0-255, not 0-65535, so scale delta. */
1708 /* Change RGB values by specified FACTOR. Avoid overflow! */
1709 xassert (factor
>= 0);
1710 new = PALETTERGB (min (0xff, factor
* GetRValue (*color
)),
1711 min (0xff, factor
* GetGValue (*color
)),
1712 min (0xff, factor
* GetBValue (*color
)));
1714 /* Calculate brightness of COLOR. */
1715 bright
= (2 * GetRValue (*color
) + 3 * GetGValue (*color
)
1716 + GetBValue (*color
)) / 6;
1718 /* We only boost colors that are darker than
1719 HIGHLIGHT_COLOR_DARK_BOOST_LIMIT. */
1720 if (bright
< HIGHLIGHT_COLOR_DARK_BOOST_LIMIT
)
1721 /* Make an additive adjustment to NEW, because it's dark enough so
1722 that scaling by FACTOR alone isn't enough. */
1724 /* How far below the limit this color is (0 - 1, 1 being darker). */
1725 double dimness
= 1 - (double)bright
/ HIGHLIGHT_COLOR_DARK_BOOST_LIMIT
;
1726 /* The additive adjustment. */
1727 int min_delta
= delta
* dimness
* factor
/ 2;
1730 new = PALETTERGB (max (0, min (0xff, min_delta
- GetRValue (*color
))),
1731 max (0, min (0xff, min_delta
- GetGValue (*color
))),
1732 max (0, min (0xff, min_delta
- GetBValue (*color
))));
1734 new = PALETTERGB (max (0, min (0xff, min_delta
+ GetRValue (*color
))),
1735 max (0, min (0xff, min_delta
+ GetGValue (*color
))),
1736 max (0, min (0xff, min_delta
+ GetBValue (*color
))));
1740 new = PALETTERGB (max (0, min (0xff, delta
+ GetRValue (*color
))),
1741 max (0, min (0xff, delta
+ GetGValue (*color
))),
1742 max (0, min (0xff, delta
+ GetBValue (*color
))));
1744 /* TODO: Map to palette and retry with delta if same? */
1745 /* TODO: Free colors (if using palette)? */
1756 /* Set up the foreground color for drawing relief lines of glyph
1757 string S. RELIEF is a pointer to a struct relief containing the GC
1758 with which lines will be drawn. Use a color that is FACTOR or
1759 DELTA lighter or darker than the relief's background which is found
1760 in S->f->output_data.x->relief_background. If such a color cannot
1761 be allocated, use DEFAULT_PIXEL, instead. */
1764 w32_setup_relief_color (f
, relief
, factor
, delta
, default_pixel
)
1766 struct relief
*relief
;
1769 COLORREF default_pixel
;
1772 struct w32_output
*di
= f
->output_data
.w32
;
1773 unsigned long mask
= GCForeground
;
1775 COLORREF background
= di
->relief_background
;
1776 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
1778 /* TODO: Free colors (if using palette)? */
1780 /* Allocate new color. */
1781 xgcv
.foreground
= default_pixel
;
1783 if (w32_alloc_lighter_color (f
, &pixel
, factor
, delta
))
1785 relief
->allocated_p
= 1;
1786 xgcv
.foreground
= relief
->pixel
= pixel
;
1789 if (relief
->gc
== 0)
1791 #if 0 /* TODO: stipple */
1792 xgcv
.stipple
= dpyinfo
->gray
;
1795 relief
->gc
= XCreateGC (NULL
, FRAME_W32_WINDOW (f
), mask
, &xgcv
);
1798 XChangeGC (NULL
, relief
->gc
, mask
, &xgcv
);
1802 /* Set up colors for the relief lines around glyph string S. */
1805 x_setup_relief_colors (s
)
1806 struct glyph_string
*s
;
1808 struct w32_output
*di
= s
->f
->output_data
.w32
;
1811 if (s
->face
->use_box_color_for_shadows_p
)
1812 color
= s
->face
->box_color
;
1813 else if (s
->first_glyph
->type
== IMAGE_GLYPH
1815 && !IMAGE_BACKGROUND_TRANSPARENT (s
->img
, s
->f
, 0))
1816 color
= IMAGE_BACKGROUND (s
->img
, s
->f
, 0);
1818 color
= s
->gc
->background
;
1820 if (di
->white_relief
.gc
== 0
1821 || color
!= di
->relief_background
)
1823 di
->relief_background
= color
;
1824 w32_setup_relief_color (s
->f
, &di
->white_relief
, 1.2, 0x8000,
1825 WHITE_PIX_DEFAULT (s
->f
));
1826 w32_setup_relief_color (s
->f
, &di
->black_relief
, 0.6, 0x4000,
1827 BLACK_PIX_DEFAULT (s
->f
));
1832 /* Draw a relief on frame F inside the rectangle given by LEFT_X,
1833 TOP_Y, RIGHT_X, and BOTTOM_Y. WIDTH is the thickness of the relief
1834 to draw, it must be >= 0. RAISED_P non-zero means draw a raised
1835 relief. LEFT_P non-zero means draw a relief on the left side of
1836 the rectangle. RIGHT_P non-zero means draw a relief on the right
1837 side of the rectangle. CLIP_RECT is the clipping rectangle to use
1841 w32_draw_relief_rect (f
, left_x
, top_y
, right_x
, bottom_y
, width
,
1842 raised_p
, top_p
, bot_p
, left_p
, right_p
, clip_rect
)
1844 int left_x
, top_y
, right_x
, bottom_y
, width
;
1845 int top_p
, bot_p
, left_p
, right_p
, raised_p
;
1850 HDC hdc
= get_frame_dc (f
);
1853 gc
.foreground
= f
->output_data
.w32
->white_relief
.gc
->foreground
;
1855 gc
.foreground
= f
->output_data
.w32
->black_relief
.gc
->foreground
;
1857 w32_set_clip_rectangle (hdc
, clip_rect
);
1861 for (i
= 0; i
< width
; ++i
)
1862 w32_fill_area (f
, hdc
, gc
.foreground
,
1863 left_x
+ i
* left_p
, top_y
+ i
,
1864 right_x
- left_x
- i
* (left_p
+ right_p
) + 1, 1);
1868 for (i
= 0; i
< width
; ++i
)
1869 w32_fill_area (f
, hdc
, gc
.foreground
,
1870 left_x
+ i
, top_y
+ i
, 1,
1871 bottom_y
- top_y
- 2 * i
+ 1);
1874 gc
.foreground
= f
->output_data
.w32
->black_relief
.gc
->foreground
;
1876 gc
.foreground
= f
->output_data
.w32
->white_relief
.gc
->foreground
;
1880 for (i
= 0; i
< width
; ++i
)
1881 w32_fill_area (f
, hdc
, gc
.foreground
,
1882 left_x
+ i
* left_p
, bottom_y
- i
,
1883 right_x
- left_x
- i
* (left_p
+ right_p
) + 1, 1);
1887 for (i
= 0; i
< width
; ++i
)
1888 w32_fill_area (f
, hdc
, gc
.foreground
,
1889 right_x
- i
, top_y
+ i
+ 1, 1,
1890 bottom_y
- top_y
- 2 * i
- 1);
1892 w32_set_clip_rectangle (hdc
, NULL
);
1894 release_frame_dc (f
, hdc
);
1898 /* Draw a box on frame F inside the rectangle given by LEFT_X, TOP_Y,
1899 RIGHT_X, and BOTTOM_Y. WIDTH is the thickness of the lines to
1900 draw, it must be >= 0. LEFT_P non-zero means draw a line on the
1901 left side of the rectangle. RIGHT_P non-zero means draw a line
1902 on the right side of the rectangle. CLIP_RECT is the clipping
1903 rectangle to use when drawing. */
1906 w32_draw_box_rect (s
, left_x
, top_y
, right_x
, bottom_y
, width
,
1907 left_p
, right_p
, clip_rect
)
1908 struct glyph_string
*s
;
1909 int left_x
, top_y
, right_x
, bottom_y
, width
, left_p
, right_p
;
1912 w32_set_clip_rectangle (s
->hdc
, clip_rect
);
1915 w32_fill_area (s
->f
, s
->hdc
, s
->face
->box_color
,
1916 left_x
, top_y
, right_x
- left_x
+ 1, width
);
1921 w32_fill_area (s
->f
, s
->hdc
, s
->face
->box_color
,
1922 left_x
, top_y
, width
, bottom_y
- top_y
+ 1);
1926 w32_fill_area (s
->f
, s
->hdc
, s
->face
->box_color
,
1927 left_x
, bottom_y
- width
+ 1, right_x
- left_x
+ 1, width
);
1932 w32_fill_area (s
->f
, s
->hdc
, s
->face
->box_color
,
1933 right_x
- width
+ 1, top_y
, width
, bottom_y
- top_y
+ 1);
1936 w32_set_clip_rectangle (s
->hdc
, NULL
);
1940 /* Draw a box around glyph string S. */
1943 x_draw_glyph_string_box (s
)
1944 struct glyph_string
*s
;
1946 int width
, left_x
, right_x
, top_y
, bottom_y
, last_x
, raised_p
;
1947 int left_p
, right_p
;
1948 struct glyph
*last_glyph
;
1951 last_x
= ((s
->row
->full_width_p
&& !s
->w
->pseudo_window_p
)
1952 ? WINDOW_RIGHT_EDGE_X (s
->w
)
1953 : window_box_right (s
->w
, s
->area
));
1955 /* The glyph that may have a right box line. */
1956 last_glyph
= (s
->cmp
|| s
->img
1958 : s
->first_glyph
+ s
->nchars
- 1);
1960 width
= abs (s
->face
->box_line_width
);
1961 raised_p
= s
->face
->box
== FACE_RAISED_BOX
;
1963 right_x
= ((s
->row
->full_width_p
&& s
->extends_to_end_of_line_p
1965 : min (last_x
, s
->x
+ s
->background_width
) - 1));
1967 bottom_y
= top_y
+ s
->height
- 1;
1969 left_p
= (s
->first_glyph
->left_box_line_p
1970 || (s
->hl
== DRAW_MOUSE_FACE
1972 || s
->prev
->hl
!= s
->hl
)));
1973 right_p
= (last_glyph
->right_box_line_p
1974 || (s
->hl
== DRAW_MOUSE_FACE
1976 || s
->next
->hl
!= s
->hl
)));
1978 get_glyph_string_clip_rect (s
, &clip_rect
);
1980 if (s
->face
->box
== FACE_SIMPLE_BOX
)
1981 w32_draw_box_rect (s
, left_x
, top_y
, right_x
, bottom_y
, width
,
1982 left_p
, right_p
, &clip_rect
);
1985 x_setup_relief_colors (s
);
1986 w32_draw_relief_rect (s
->f
, left_x
, top_y
, right_x
, bottom_y
,
1987 width
, raised_p
, 1, 1, left_p
, right_p
, &clip_rect
);
1992 /* Draw foreground of image glyph string S. */
1995 x_draw_image_foreground (s
)
1996 struct glyph_string
*s
;
1999 int y
= s
->ybase
- image_ascent (s
->img
, s
->face
, &s
->slice
);
2001 /* If first glyph of S has a left box line, start drawing it to the
2002 right of that line. */
2003 if (s
->face
->box
!= FACE_NO_BOX
2004 && s
->first_glyph
->left_box_line_p
2006 x
+= abs (s
->face
->box_line_width
);
2008 /* If there is a margin around the image, adjust x- and y-position
2010 if (s
->slice
.x
== 0)
2011 x
+= s
->img
->hmargin
;
2012 if (s
->slice
.y
== 0)
2013 y
+= s
->img
->vmargin
;
2019 HDC compat_hdc
= CreateCompatibleDC (s
->hdc
);
2020 HBRUSH fg_brush
= CreateSolidBrush (s
->gc
->foreground
);
2021 HBRUSH orig_brush
= SelectObject (s
->hdc
, fg_brush
);
2022 HGDIOBJ orig_obj
= SelectObject (compat_hdc
, s
->img
->pixmap
);
2023 SetBkColor (compat_hdc
, RGB (255, 255, 255));
2024 SetTextColor (s
->hdc
, RGB (0, 0, 0));
2025 x_set_glyph_string_clipping (s
);
2029 HDC mask_dc
= CreateCompatibleDC (s
->hdc
);
2030 HGDIOBJ mask_orig_obj
= SelectObject (mask_dc
, s
->img
->mask
);
2032 SetTextColor (s
->hdc
, RGB (255, 255, 255));
2033 SetBkColor (s
->hdc
, RGB (0, 0, 0));
2035 BitBlt (s
->hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
2036 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCINVERT
);
2037 BitBlt (s
->hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
2038 mask_dc
, s
->slice
.x
, s
->slice
.y
, SRCAND
);
2039 BitBlt (s
->hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
2040 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCINVERT
);
2042 SelectObject (mask_dc
, mask_orig_obj
);
2047 SetTextColor (s
->hdc
, s
->gc
->foreground
);
2048 SetBkColor (s
->hdc
, s
->gc
->background
);
2050 BitBlt (s
->hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
2051 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCCOPY
);
2053 /* When the image has a mask, we can expect that at
2054 least part of a mouse highlight or a block cursor will
2055 be visible. If the image doesn't have a mask, make
2056 a block cursor visible by drawing a rectangle around
2057 the image. I believe it's looking better if we do
2058 nothing here for mouse-face. */
2059 if (s
->hl
== DRAW_CURSOR
)
2061 int r
= s
->img
->relief
;
2063 w32_draw_rectangle (s
->hdc
, s
->gc
, x
- r
, y
- r
,
2064 s
->slice
.width
+ r
*2 - 1,
2065 s
->slice
.height
+ r
*2 - 1);
2069 w32_set_clip_rectangle (s
->hdc
, NULL
);
2070 SelectObject (s
->hdc
, orig_brush
);
2071 DeleteObject (fg_brush
);
2072 SelectObject (compat_hdc
, orig_obj
);
2073 DeleteDC (compat_hdc
);
2076 w32_draw_rectangle (s
->hdc
, s
->gc
, x
, y
,
2077 s
->slice
.width
- 1, s
->slice
.height
- 1);
2079 RestoreDC (s
->hdc
,-1);
2083 /* Draw a relief around the image glyph string S. */
2086 x_draw_image_relief (s
)
2087 struct glyph_string
*s
;
2089 int x0
, y0
, x1
, y1
, thick
, raised_p
;
2092 int y
= s
->ybase
- image_ascent (s
->img
, s
->face
, &s
->slice
);
2094 /* If first glyph of S has a left box line, start drawing it to the
2095 right of that line. */
2096 if (s
->face
->box
!= FACE_NO_BOX
2097 && s
->first_glyph
->left_box_line_p
2099 x
+= abs (s
->face
->box_line_width
);
2101 /* If there is a margin around the image, adjust x- and y-position
2103 if (s
->slice
.x
== 0)
2104 x
+= s
->img
->hmargin
;
2105 if (s
->slice
.y
== 0)
2106 y
+= s
->img
->vmargin
;
2108 if (s
->hl
== DRAW_IMAGE_SUNKEN
2109 || s
->hl
== DRAW_IMAGE_RAISED
)
2111 thick
= tool_bar_button_relief
>= 0 ? tool_bar_button_relief
: DEFAULT_TOOL_BAR_BUTTON_RELIEF
;
2112 raised_p
= s
->hl
== DRAW_IMAGE_RAISED
;
2116 thick
= abs (s
->img
->relief
);
2117 raised_p
= s
->img
->relief
> 0;
2122 x1
= x
+ s
->slice
.width
+ thick
- 1;
2123 y1
= y
+ s
->slice
.height
+ thick
- 1;
2125 x_setup_relief_colors (s
);
2126 get_glyph_string_clip_rect (s
, &r
);
2127 w32_draw_relief_rect (s
->f
, x0
, y0
, x1
, y1
, thick
, raised_p
,
2129 s
->slice
.y
+ s
->slice
.height
== s
->img
->height
,
2131 s
->slice
.x
+ s
->slice
.width
== s
->img
->width
,
2136 /* Draw the foreground of image glyph string S to PIXMAP. */
2139 w32_draw_image_foreground_1 (s
, pixmap
)
2140 struct glyph_string
*s
;
2143 HDC hdc
= CreateCompatibleDC (s
->hdc
);
2144 HGDIOBJ orig_hdc_obj
= SelectObject (hdc
, pixmap
);
2146 int y
= s
->ybase
- s
->y
- image_ascent (s
->img
, s
->face
, &s
->slice
);
2148 /* If first glyph of S has a left box line, start drawing it to the
2149 right of that line. */
2150 if (s
->face
->box
!= FACE_NO_BOX
2151 && s
->first_glyph
->left_box_line_p
2153 x
+= abs (s
->face
->box_line_width
);
2155 /* If there is a margin around the image, adjust x- and y-position
2157 if (s
->slice
.x
== 0)
2158 x
+= s
->img
->hmargin
;
2159 if (s
->slice
.y
== 0)
2160 y
+= s
->img
->vmargin
;
2164 HDC compat_hdc
= CreateCompatibleDC (hdc
);
2165 HBRUSH fg_brush
= CreateSolidBrush (s
->gc
->foreground
);
2166 HBRUSH orig_brush
= SelectObject (hdc
, fg_brush
);
2167 HGDIOBJ orig_obj
= SelectObject (compat_hdc
, s
->img
->pixmap
);
2171 HDC mask_dc
= CreateCompatibleDC (hdc
);
2172 HGDIOBJ mask_orig_obj
= SelectObject (mask_dc
, s
->img
->mask
);
2174 SetTextColor (hdc
, RGB (0, 0, 0));
2175 SetBkColor (hdc
, RGB (255, 255, 255));
2176 BitBlt (hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
2177 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCINVERT
);
2178 BitBlt (hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
2179 mask_dc
, s
->slice
.x
, s
->slice
.y
, SRCAND
);
2180 BitBlt (hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
2181 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCINVERT
);
2183 SelectObject (mask_dc
, mask_orig_obj
);
2188 SetTextColor (hdc
, s
->gc
->foreground
);
2189 SetBkColor (hdc
, s
->gc
->background
);
2191 BitBlt (hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
2192 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCCOPY
);
2194 /* When the image has a mask, we can expect that at
2195 least part of a mouse highlight or a block cursor will
2196 be visible. If the image doesn't have a mask, make
2197 a block cursor visible by drawing a rectangle around
2198 the image. I believe it's looking better if we do
2199 nothing here for mouse-face. */
2200 if (s
->hl
== DRAW_CURSOR
)
2202 int r
= s
->img
->relief
;
2204 w32_draw_rectangle (hdc
, s
->gc
, x
- r
, y
- r
,
2205 s
->slice
.width
+ r
*2 - 1,
2206 s
->slice
.height
+ r
*2 - 1);
2210 SelectObject (hdc
, orig_brush
);
2211 DeleteObject (fg_brush
);
2212 SelectObject (compat_hdc
, orig_obj
);
2213 DeleteDC (compat_hdc
);
2216 w32_draw_rectangle (hdc
, s
->gc
, x
, y
,
2217 s
->slice
.width
- 1, s
->slice
.height
- 1);
2219 SelectObject (hdc
, orig_hdc_obj
);
2224 /* Draw part of the background of glyph string S. X, Y, W, and H
2225 give the rectangle to draw. */
2228 x_draw_glyph_string_bg_rect (s
, x
, y
, w
, h
)
2229 struct glyph_string
*s
;
2232 #if 0 /* TODO: stipple */
2235 /* Fill background with a stipple pattern. */
2236 XSetFillStyle (s
->display
, s
->gc
, FillOpaqueStippled
);
2237 XFillRectangle (s
->display
, s
->window
, s
->gc
, x
, y
, w
, h
);
2238 XSetFillStyle (s
->display
, s
->gc
, FillSolid
);
2242 x_clear_glyph_string_rect (s
, x
, y
, w
, h
);
2246 /* Draw image glyph string S.
2249 s->x +-------------------------
2252 | +-------------------------
2255 | | +-------------------
2261 x_draw_image_glyph_string (s
)
2262 struct glyph_string
*s
;
2265 int box_line_hwidth
= abs (s
->face
->box_line_width
);
2266 int box_line_vwidth
= max (s
->face
->box_line_width
, 0);
2270 height
= s
->height
- 2 * box_line_vwidth
;
2272 /* Fill background with face under the image. Do it only if row is
2273 taller than image or if image has a clip mask to reduce
2275 s
->stippled_p
= s
->face
->stipple
!= 0;
2276 if (height
> s
->slice
.height
2280 || s
->img
->pixmap
== 0
2281 || s
->width
!= s
->background_width
)
2284 if (s
->first_glyph
->left_box_line_p
2286 x
+= box_line_hwidth
;
2289 if (s
->slice
.y
== 0)
2290 y
+= box_line_vwidth
;
2292 #if 0 /* TODO: figure out if we need to do this on Windows. */
2295 /* Create a pixmap as large as the glyph string. Fill it
2296 with the background color. Copy the image to it, using
2297 its mask. Copy the temporary pixmap to the display. */
2298 Screen
*screen
= FRAME_X_SCREEN (s
->f
);
2299 int depth
= DefaultDepthOfScreen (screen
);
2301 /* Create a pixmap as large as the glyph string. */
2302 pixmap
= XCreatePixmap (s
->display
, s
->window
,
2303 s
->background_width
,
2306 /* Don't clip in the following because we're working on the
2308 XSetClipMask (s
->display
, s
->gc
, None
);
2310 /* Fill the pixmap with the background color/stipple. */
2313 /* Fill background with a stipple pattern. */
2314 XSetFillStyle (s
->display
, s
->gc
, FillOpaqueStippled
);
2315 XFillRectangle (s
->display
, pixmap
, s
->gc
,
2316 0, 0, s
->background_width
, s
->height
);
2317 XSetFillStyle (s
->display
, s
->gc
, FillSolid
);
2322 XGetGCValues (s
->display
, s
->gc
, GCForeground
| GCBackground
,
2324 XSetForeground (s
->display
, s
->gc
, xgcv
.background
);
2325 XFillRectangle (s
->display
, pixmap
, s
->gc
,
2326 0, 0, s
->background_width
, s
->height
);
2327 XSetForeground (s
->display
, s
->gc
, xgcv
.foreground
);
2332 x_draw_glyph_string_bg_rect (s
, x
, y
, s
->background_width
, height
);
2334 s
->background_filled_p
= 1;
2337 /* Draw the foreground. */
2340 w32_draw_image_foreground_1 (s
, pixmap
);
2341 x_set_glyph_string_clipping (s
);
2343 HDC compat_hdc
= CreateCompatibleDC (s
->hdc
);
2344 HBRUSH fg_brush
= CreateSolidBrush (s
->gc
->foreground
);
2345 HBRUSH orig_brush
= SelectObject (s
->hdc
, fg_brush
);
2346 HGDIOBJ orig_obj
= SelectObject (compat_hdc
, pixmap
);
2348 SetTextColor (s
->hdc
, s
->gc
->foreground
);
2349 SetBkColor (s
->hdc
, s
->gc
->background
);
2350 BitBlt (s
->hdc
, s
->x
, s
->y
, s
->background_width
, s
->height
,
2351 compat_hdc
, 0, 0, SRCCOPY
);
2353 SelectObject (s
->hdc
, orig_brush
);
2354 DeleteObject (fg_brush
);
2355 SelectObject (compat_hdc
, orig_obj
);
2356 DeleteDC (compat_hdc
);
2358 DeleteObject (pixmap
);
2362 x_draw_image_foreground (s
);
2364 /* If we must draw a relief around the image, do it. */
2366 || s
->hl
== DRAW_IMAGE_RAISED
2367 || s
->hl
== DRAW_IMAGE_SUNKEN
)
2368 x_draw_image_relief (s
);
2372 /* Draw stretch glyph string S. */
2375 x_draw_stretch_glyph_string (s
)
2376 struct glyph_string
*s
;
2378 xassert (s
->first_glyph
->type
== STRETCH_GLYPH
);
2379 s
->stippled_p
= s
->face
->stipple
!= 0;
2381 if (s
->hl
== DRAW_CURSOR
2382 && !x_stretch_cursor_p
)
2384 /* If `x-stretch-block-cursor' is nil, don't draw a block cursor
2385 as wide as the stretch glyph. */
2386 int width
= min (FRAME_COLUMN_WIDTH (s
->f
), s
->background_width
);
2389 x_draw_glyph_string_bg_rect (s
, s
->x
, s
->y
, width
, s
->height
);
2391 /* Clear rest using the GC of the original non-cursor face. */
2392 if (width
< s
->background_width
)
2394 XGCValues
*gc
= s
->face
->gc
;
2395 int x
= s
->x
+ width
, y
= s
->y
;
2396 int w
= s
->background_width
- width
, h
= s
->height
;
2400 if (s
->row
->mouse_face_p
2401 && cursor_in_mouse_face_p (s
->w
))
2403 x_set_mouse_face_gc (s
);
2409 get_glyph_string_clip_rect (s
, &r
);
2410 w32_set_clip_rectangle (hdc
, &r
);
2412 #if 0 /* TODO: stipple */
2413 if (s
->face
->stipple
)
2415 /* Fill background with a stipple pattern. */
2416 XSetFillStyle (s
->display
, gc
, FillOpaqueStippled
);
2417 XFillRectangle (s
->display
, s
->window
, gc
, x
, y
, w
, h
);
2418 XSetFillStyle (s
->display
, gc
, FillSolid
);
2423 w32_fill_area (s
->f
, s
->hdc
, gc
->background
, x
, y
, w
, h
);
2427 else if (!s
->background_filled_p
)
2428 x_draw_glyph_string_bg_rect (s
, s
->x
, s
->y
, s
->background_width
,
2431 s
->background_filled_p
= 1;
2435 /* Draw glyph string S. */
2438 x_draw_glyph_string (s
)
2439 struct glyph_string
*s
;
2441 int relief_drawn_p
= 0;
2443 /* If S draws into the background of its successor, draw the
2444 background of the successor first so that S can draw into it.
2445 This makes S->next use XDrawString instead of XDrawImageString. */
2446 if (s
->next
&& s
->right_overhang
&& !s
->for_overlaps_p
)
2448 xassert (s
->next
->img
== NULL
);
2449 x_set_glyph_string_gc (s
->next
);
2450 x_set_glyph_string_clipping (s
->next
);
2451 x_draw_glyph_string_background (s
->next
, 1);
2454 /* Set up S->gc, set clipping and draw S. */
2455 x_set_glyph_string_gc (s
);
2457 /* Draw relief (if any) in advance for char/composition so that the
2458 glyph string can be drawn over it. */
2459 if (!s
->for_overlaps_p
2460 && s
->face
->box
!= FACE_NO_BOX
2461 && (s
->first_glyph
->type
== CHAR_GLYPH
2462 || s
->first_glyph
->type
== COMPOSITE_GLYPH
))
2465 x_set_glyph_string_clipping (s
);
2466 x_draw_glyph_string_background (s
, 1);
2467 x_draw_glyph_string_box (s
);
2468 x_set_glyph_string_clipping (s
);
2472 x_set_glyph_string_clipping (s
);
2474 switch (s
->first_glyph
->type
)
2477 x_draw_image_glyph_string (s
);
2481 x_draw_stretch_glyph_string (s
);
2485 if (s
->for_overlaps_p
)
2486 s
->background_filled_p
= 1;
2488 x_draw_glyph_string_background (s
, 0);
2489 x_draw_glyph_string_foreground (s
);
2492 case COMPOSITE_GLYPH
:
2493 if (s
->for_overlaps_p
|| s
->gidx
> 0)
2494 s
->background_filled_p
= 1;
2496 x_draw_glyph_string_background (s
, 1);
2497 x_draw_composite_glyph_string_foreground (s
);
2504 if (!s
->for_overlaps_p
)
2506 /* Draw underline. */
2507 if (s
->face
->underline_p
2508 && (s
->font
->bdf
|| !s
->font
->tm
.tmUnderlined
))
2510 unsigned long h
= 1;
2511 unsigned long dy
= s
->height
- h
;
2513 /* TODO: Use font information for positioning and thickness
2514 of underline. See OUTLINETEXTMETRIC, and xterm.c.
2515 Note: If you make this work, don't forget to change the
2516 doc string of x-use-underline-position-properties below. */
2517 if (s
->face
->underline_defaulted_p
)
2519 w32_fill_area (s
->f
, s
->hdc
, s
->gc
->foreground
, s
->x
,
2520 s
->y
+ dy
, s
->width
, 1);
2524 w32_fill_area (s
->f
, s
->hdc
, s
->face
->underline_color
, s
->x
,
2525 s
->y
+ dy
, s
->width
, 1);
2529 /* Draw overline. */
2530 if (s
->face
->overline_p
)
2532 unsigned long dy
= 0, h
= 1;
2534 if (s
->face
->overline_color_defaulted_p
)
2536 w32_fill_area (s
->f
, s
->hdc
, s
->gc
->foreground
, s
->x
,
2537 s
->y
+ dy
, s
->width
, h
);
2541 w32_fill_area (s
->f
, s
->hdc
, s
->face
->overline_color
, s
->x
,
2542 s
->y
+ dy
, s
->width
, h
);
2546 /* Draw strike-through. */
2547 if (s
->face
->strike_through_p
2548 && (s
->font
->bdf
|| !s
->font
->tm
.tmStruckOut
))
2550 unsigned long h
= 1;
2551 unsigned long dy
= (s
->height
- h
) / 2;
2553 if (s
->face
->strike_through_color_defaulted_p
)
2555 w32_fill_area (s
->f
, s
->hdc
, s
->gc
->foreground
, s
->x
, s
->y
+ dy
,
2560 w32_fill_area (s
->f
, s
->hdc
, s
->face
->underline_color
, s
->x
,
2561 s
->y
+ dy
, s
->width
, h
);
2566 if (!relief_drawn_p
&& s
->face
->box
!= FACE_NO_BOX
)
2567 x_draw_glyph_string_box (s
);
2570 /* Reset clipping. */
2571 w32_set_clip_rectangle (s
->hdc
, NULL
);
2575 /* Shift display to make room for inserted glyphs. */
2578 w32_shift_glyphs_for_insert (f
, x
, y
, width
, height
, shift_by
)
2580 int x
, y
, width
, height
, shift_by
;
2584 hdc
= get_frame_dc (f
);
2585 BitBlt (hdc
, x
+ shift_by
, y
, width
, height
,
2586 hdc
, x
, y
, SRCCOPY
);
2588 release_frame_dc (f
, hdc
);
2592 /* Delete N glyphs at the nominal cursor position. Not implemented
2604 f
= SELECTED_FRAME ();
2606 if (! FRAME_W32_P (f
))
2613 /* Clear entire frame. If updating_frame is non-null, clear that
2614 frame. Otherwise clear the selected frame. */
2624 f
= SELECTED_FRAME ();
2626 if (! FRAME_W32_P (f
))
2629 /* Clearing the frame will erase any cursor, so mark them all as no
2631 mark_window_cursors_off (XWINDOW (FRAME_ROOT_WINDOW (f
)));
2632 output_cursor
.hpos
= output_cursor
.vpos
= 0;
2633 output_cursor
.x
= -1;
2635 /* We don't set the output cursor here because there will always
2636 follow an explicit cursor_to. */
2639 w32_clear_window (f
);
2641 /* We have to clear the scroll bars, too. If we have changed
2642 colors or something like that, then they should be notified. */
2643 x_scroll_bar_clear (f
);
2649 /* Make audible bell. */
2652 w32_ring_bell (void)
2656 f
= SELECTED_FRAME ();
2660 if (FRAME_W32_P (f
) && visible_bell
)
2663 HWND hwnd
= FRAME_W32_WINDOW (SELECTED_FRAME ());
2665 for (i
= 0; i
< 5; i
++)
2667 FlashWindow (hwnd
, TRUE
);
2670 FlashWindow (hwnd
, FALSE
);
2673 w32_sys_ring_bell ();
2679 /* Specify how many text lines, from the top of the window,
2680 should be affected by insert-lines and delete-lines operations.
2681 This, and those operations, are used only within an update
2682 that is bounded by calls to x_update_begin and x_update_end. */
2685 w32_set_terminal_window (n
)
2688 /* This function intentionally left blank. */
2692 /***********************************************************************
2694 ***********************************************************************/
2696 /* Perform an insert-lines or delete-lines operation, inserting N
2697 lines or deleting -N lines at vertical position VPOS. */
2700 x_ins_del_lines (vpos
, n
)
2708 f
= SELECTED_FRAME ();
2710 if (! FRAME_W32_P (f
))
2717 /* Scroll part of the display as described by RUN. */
2720 x_scroll_run (w
, run
)
2724 struct frame
*f
= XFRAME (w
->frame
);
2725 int x
, y
, width
, height
, from_y
, to_y
, bottom_y
;
2726 HWND hwnd
= FRAME_W32_WINDOW (f
);
2729 /* Get frame-relative bounding box of the text display area of W,
2730 without mode lines. Include in this box the left and right
2732 window_box (w
, -1, &x
, &y
, &width
, &height
);
2734 from_y
= WINDOW_TO_FRAME_PIXEL_Y (w
, run
->current_y
);
2735 to_y
= WINDOW_TO_FRAME_PIXEL_Y (w
, run
->desired_y
);
2736 bottom_y
= y
+ height
;
2740 /* Scrolling up. Make sure we don't copy part of the mode
2741 line at the bottom. */
2742 if (from_y
+ run
->height
> bottom_y
)
2743 height
= bottom_y
- from_y
;
2745 height
= run
->height
;
2746 expect_dirty
= CreateRectRgn (x
, y
+ height
, x
+ width
, bottom_y
);
2750 /* Scolling down. Make sure we don't copy over the mode line.
2752 if (to_y
+ run
->height
> bottom_y
)
2753 height
= bottom_y
- to_y
;
2755 height
= run
->height
;
2756 expect_dirty
= CreateRectRgn (x
, y
, x
+ width
, to_y
);
2761 /* Cursor off. Will be switched on again in x_update_window_end. */
2768 HRGN dirty
= CreateRectRgn (0, 0, 0, 0);
2769 HRGN combined
= CreateRectRgn (0, 0, 0, 0);
2771 from
.left
= to
.left
= x
;
2772 from
.right
= to
.right
= x
+ width
;
2774 from
.bottom
= from_y
+ height
;
2776 to
.bottom
= bottom_y
;
2778 ScrollWindowEx (hwnd
, 0, to_y
- from_y
, &from
, &to
, dirty
,
2779 NULL
, SW_INVALIDATE
);
2781 /* Combine this with what we expect to be dirty. This covers the
2782 case where not all of the region we expect is actually dirty. */
2783 CombineRgn (combined
, dirty
, expect_dirty
, RGN_OR
);
2785 /* If the dirty region is not what we expected, redraw the entire frame. */
2786 if (!EqualRgn (combined
, expect_dirty
))
2787 SET_FRAME_GARBAGED (f
);
2789 DeleteObject (dirty
);
2790 DeleteObject (combined
);
2794 DeleteObject (expect_dirty
);
2799 /***********************************************************************
2801 ***********************************************************************/
2807 x_update_cursor (f
, 1);
2811 frame_unhighlight (f
)
2814 x_update_cursor (f
, 1);
2817 /* The focus has changed. Update the frames as necessary to reflect
2818 the new situation. Note that we can't change the selected frame
2819 here, because the Lisp code we are interrupting might become confused.
2820 Each event gets marked with the frame in which it occurred, so the
2821 Lisp code can tell when the switch took place by examining the events. */
2824 x_new_focus_frame (dpyinfo
, frame
)
2825 struct w32_display_info
*dpyinfo
;
2826 struct frame
*frame
;
2828 struct frame
*old_focus
= dpyinfo
->w32_focus_frame
;
2830 if (frame
!= dpyinfo
->w32_focus_frame
)
2832 /* Set this before calling other routines, so that they see
2833 the correct value of w32_focus_frame. */
2834 dpyinfo
->w32_focus_frame
= frame
;
2836 if (old_focus
&& old_focus
->auto_lower
)
2837 x_lower_frame (old_focus
);
2839 if (dpyinfo
->w32_focus_frame
&& dpyinfo
->w32_focus_frame
->auto_raise
)
2840 pending_autoraise_frame
= dpyinfo
->w32_focus_frame
;
2842 pending_autoraise_frame
= 0;
2845 x_frame_rehighlight (dpyinfo
);
2849 /* Handle FocusIn and FocusOut state changes for FRAME.
2850 If FRAME has focus and there exists more than one frame, puts
2851 a FOCUS_IN_EVENT into *BUFP. */
2854 x_focus_changed (type
, state
, dpyinfo
, frame
, bufp
)
2857 struct w32_display_info
*dpyinfo
;
2858 struct frame
*frame
;
2859 struct input_event
*bufp
;
2861 if (type
== WM_SETFOCUS
)
2863 if (dpyinfo
->w32_focus_event_frame
!= frame
)
2865 x_new_focus_frame (dpyinfo
, frame
);
2866 dpyinfo
->w32_focus_event_frame
= frame
;
2868 /* Don't stop displaying the initial startup message
2869 for a switch-frame event we don't need. */
2870 if (GC_NILP (Vterminal_frame
)
2871 && GC_CONSP (Vframe_list
)
2872 && !GC_NILP (XCDR (Vframe_list
)))
2874 bufp
->kind
= FOCUS_IN_EVENT
;
2875 XSETFRAME (bufp
->frame_or_window
, frame
);
2879 frame
->output_data
.x
->focus_state
|= state
;
2881 /* TODO: IME focus? */
2883 else if (type
== WM_KILLFOCUS
)
2885 frame
->output_data
.x
->focus_state
&= ~state
;
2887 if (dpyinfo
->w32_focus_event_frame
== frame
)
2889 dpyinfo
->w32_focus_event_frame
= 0;
2890 x_new_focus_frame (dpyinfo
, 0);
2893 /* TODO: IME focus? */
2898 /* The focus may have changed. Figure out if it is a real focus change,
2899 by checking both FocusIn/Out and Enter/LeaveNotify events.
2901 Returns FOCUS_IN_EVENT event in *BUFP. */
2904 w32_detect_focus_change (dpyinfo
, event
, bufp
)
2905 struct w32_display_info
*dpyinfo
;
2907 struct input_event
*bufp
;
2909 struct frame
*frame
;
2911 frame
= x_any_window_to_frame (dpyinfo
, event
->msg
.hwnd
);
2915 /* On w32, this is only called from focus events, so no switch needed. */
2916 x_focus_changed (event
->msg
.message
,
2917 (event
->msg
.message
== WM_KILLFOCUS
?
2918 FOCUS_IMPLICIT
: FOCUS_EXPLICIT
),
2919 dpyinfo
, frame
, bufp
);
2923 /* Handle an event saying the mouse has moved out of an Emacs frame. */
2926 x_mouse_leave (dpyinfo
)
2927 struct w32_display_info
*dpyinfo
;
2929 x_new_focus_frame (dpyinfo
, dpyinfo
->w32_focus_event_frame
);
2932 /* The focus has changed, or we have redirected a frame's focus to
2933 another frame (this happens when a frame uses a surrogate
2934 mini-buffer frame). Shift the highlight as appropriate.
2936 The FRAME argument doesn't necessarily have anything to do with which
2937 frame is being highlighted or un-highlighted; we only use it to find
2938 the appropriate X display info. */
2941 w32_frame_rehighlight (frame
)
2942 struct frame
*frame
;
2944 if (! FRAME_W32_P (frame
))
2946 x_frame_rehighlight (FRAME_W32_DISPLAY_INFO (frame
));
2950 x_frame_rehighlight (dpyinfo
)
2951 struct w32_display_info
*dpyinfo
;
2953 struct frame
*old_highlight
= dpyinfo
->x_highlight_frame
;
2955 if (dpyinfo
->w32_focus_frame
)
2957 dpyinfo
->x_highlight_frame
2958 = ((GC_FRAMEP (FRAME_FOCUS_FRAME (dpyinfo
->w32_focus_frame
)))
2959 ? XFRAME (FRAME_FOCUS_FRAME (dpyinfo
->w32_focus_frame
))
2960 : dpyinfo
->w32_focus_frame
);
2961 if (! FRAME_LIVE_P (dpyinfo
->x_highlight_frame
))
2963 FRAME_FOCUS_FRAME (dpyinfo
->w32_focus_frame
) = Qnil
;
2964 dpyinfo
->x_highlight_frame
= dpyinfo
->w32_focus_frame
;
2968 dpyinfo
->x_highlight_frame
= 0;
2970 if (dpyinfo
->x_highlight_frame
!= old_highlight
)
2973 frame_unhighlight (old_highlight
);
2974 if (dpyinfo
->x_highlight_frame
)
2975 frame_highlight (dpyinfo
->x_highlight_frame
);
2979 /* Keyboard processing - modifier keys, etc. */
2981 /* Convert a keysym to its name. */
2984 x_get_keysym_name (keysym
)
2987 /* Make static so we can always return it */
2988 static char value
[100];
2991 GetKeyNameText (keysym
, value
, 100);
2999 /* Mouse clicks and mouse movement. Rah. */
3001 /* Parse a button MESSAGE. The button index is returned in PBUTTON, and
3002 the state in PUP. XBUTTON provides extra information for extended mouse
3003 button messages. Returns FALSE if unable to parse the message. */
3005 parse_button (message
, xbutton
, pbutton
, pup
)
3016 case WM_LBUTTONDOWN
:
3024 case WM_MBUTTONDOWN
:
3025 if (NILP (Vw32_swap_mouse_buttons
))
3032 if (NILP (Vw32_swap_mouse_buttons
))
3038 case WM_RBUTTONDOWN
:
3039 if (NILP (Vw32_swap_mouse_buttons
))
3046 if (NILP (Vw32_swap_mouse_buttons
))
3052 case WM_XBUTTONDOWN
:
3053 button
= xbutton
+ 2;
3057 button
= xbutton
+ 2;
3065 if (pbutton
) *pbutton
= button
;
3071 /* Prepare a mouse-event in *RESULT for placement in the input queue.
3073 If the event is a button press, then note that we have grabbed
3077 construct_mouse_click (result
, msg
, f
)
3078 struct input_event
*result
;
3085 parse_button (msg
->msg
.message
, HIWORD (msg
->msg
.wParam
),
3088 /* Make the event type NO_EVENT; we'll change that when we decide
3090 result
->kind
= MOUSE_CLICK_EVENT
;
3091 result
->code
= button
;
3092 result
->timestamp
= msg
->msg
.time
;
3093 result
->modifiers
= (msg
->dwModifiers
3098 XSETINT (result
->x
, LOWORD (msg
->msg
.lParam
));
3099 XSETINT (result
->y
, HIWORD (msg
->msg
.lParam
));
3100 XSETFRAME (result
->frame_or_window
, f
);
3106 construct_mouse_wheel (result
, msg
, f
)
3107 struct input_event
*result
;
3114 result
->kind
= WHEEL_EVENT
;
3116 result
->timestamp
= msg
->msg
.time
;
3118 /* A WHEEL_DELTA positive value indicates that the wheel was rotated
3119 forward, away from the user (up); a negative value indicates that
3120 the wheel was rotated backward, toward the user (down). */
3121 delta
= GET_WHEEL_DELTA_WPARAM (msg
->msg
.wParam
);
3123 /* The up and down modifiers indicate if the wheel was rotated up or
3124 down based on WHEEL_DELTA value. */
3125 result
->modifiers
= (msg
->dwModifiers
3126 | ((delta
< 0 ) ? down_modifier
: up_modifier
));
3128 p
.x
= LOWORD (msg
->msg
.lParam
);
3129 p
.y
= HIWORD (msg
->msg
.lParam
);
3130 ScreenToClient (msg
->msg
.hwnd
, &p
);
3131 XSETINT (result
->x
, p
.x
);
3132 XSETINT (result
->y
, p
.y
);
3133 XSETFRAME (result
->frame_or_window
, f
);
3139 construct_drag_n_drop (result
, msg
, f
)
3140 struct input_event
*result
;
3152 result
->kind
= DRAG_N_DROP_EVENT
;
3154 result
->timestamp
= msg
->msg
.time
;
3155 result
->modifiers
= msg
->dwModifiers
;
3157 hdrop
= (HDROP
) msg
->msg
.wParam
;
3158 DragQueryPoint (hdrop
, &p
);
3161 p
.x
= LOWORD (msg
->msg
.lParam
);
3162 p
.y
= HIWORD (msg
->msg
.lParam
);
3163 ScreenToClient (msg
->msg
.hwnd
, &p
);
3166 XSETINT (result
->x
, p
.x
);
3167 XSETINT (result
->y
, p
.y
);
3169 num_files
= DragQueryFile (hdrop
, 0xFFFFFFFF, NULL
, 0);
3172 for (i
= 0; i
< num_files
; i
++)
3174 len
= DragQueryFile (hdrop
, i
, NULL
, 0);
3177 name
= alloca (len
+ 1);
3178 DragQueryFile (hdrop
, i
, name
, len
+ 1);
3179 files
= Fcons (DECODE_FILE (build_string (name
)), files
);
3184 XSETFRAME (frame
, f
);
3185 result
->frame_or_window
= Fcons (frame
, files
);
3191 /* Function to report a mouse movement to the mainstream Emacs code.
3192 The input handler calls this.
3194 We have received a mouse movement event, which is given in *event.
3195 If the mouse is over a different glyph than it was last time, tell
3196 the mainstream emacs code by setting mouse_moved. If not, ask for
3197 another motion event, so we can check again the next time it moves. */
3199 static MSG last_mouse_motion_event
;
3200 static Lisp_Object last_mouse_motion_frame
;
3202 static void remember_mouse_glyph
P_ ((struct frame
*, int, int));
3205 note_mouse_movement (frame
, msg
)
3209 int mouse_x
= LOWORD (msg
->lParam
);
3210 int mouse_y
= HIWORD (msg
->lParam
);
3212 last_mouse_movement_time
= msg
->time
;
3213 memcpy (&last_mouse_motion_event
, msg
, sizeof (last_mouse_motion_event
));
3214 XSETFRAME (last_mouse_motion_frame
, frame
);
3216 if (msg
->hwnd
!= FRAME_W32_WINDOW (frame
))
3218 frame
->mouse_moved
= 1;
3219 last_mouse_scroll_bar
= Qnil
;
3220 note_mouse_highlight (frame
, -1, -1);
3223 /* Has the mouse moved off the glyph it was on at the last sighting? */
3224 else if (mouse_x
< last_mouse_glyph
.left
3225 || mouse_x
> last_mouse_glyph
.right
3226 || mouse_y
< last_mouse_glyph
.top
3227 || mouse_y
> last_mouse_glyph
.bottom
)
3229 frame
->mouse_moved
= 1;
3230 last_mouse_scroll_bar
= Qnil
;
3231 note_mouse_highlight (frame
, mouse_x
, mouse_y
);
3232 /* Remember the mouse position here, as w32_mouse_position only
3233 gets called when mouse tracking is enabled but we also need
3234 to keep track of the mouse for help_echo and highlighting at
3236 remember_mouse_glyph (frame
, mouse_x
, mouse_y
);
3241 /************************************************************************
3243 ************************************************************************/
3245 static struct scroll_bar
*x_window_to_scroll_bar ();
3246 static void x_scroll_bar_report_motion ();
3247 static void x_check_fullscreen
P_ ((struct frame
*));
3248 static int glyph_rect
P_ ((struct frame
*f
, int, int, RECT
*));
3252 redo_mouse_highlight ()
3254 if (!NILP (last_mouse_motion_frame
)
3255 && FRAME_LIVE_P (XFRAME (last_mouse_motion_frame
)))
3256 note_mouse_highlight (XFRAME (last_mouse_motion_frame
),
3257 LOWORD (last_mouse_motion_event
.lParam
),
3258 HIWORD (last_mouse_motion_event
.lParam
));
3262 w32_define_cursor (window
, cursor
)
3266 PostMessage (window
, WM_EMACS_SETCURSOR
, (WPARAM
) cursor
, 0);
3269 /* Try to determine frame pixel position and size of the glyph under
3270 frame pixel coordinates X/Y on frame F . Return the position and
3271 size in *RECT. Value is non-zero if we could compute these
3275 glyph_rect (f
, x
, y
, rect
)
3282 window
= window_from_coordinates (f
, x
, y
, 0, &x
, &y
, 0);
3286 struct window
*w
= XWINDOW (window
);
3287 struct glyph_row
*r
= MATRIX_FIRST_TEXT_ROW (w
->current_matrix
);
3288 struct glyph_row
*end
= r
+ w
->current_matrix
->nrows
- 1;
3290 for (; r
< end
&& r
->enabled_p
; ++r
)
3291 if (r
->y
<= y
&& r
->y
+ r
->height
> y
)
3293 /* Found the row at y. */
3294 struct glyph
*g
= r
->glyphs
[TEXT_AREA
];
3295 struct glyph
*end
= g
+ r
->used
[TEXT_AREA
];
3298 rect
->top
= WINDOW_TO_FRAME_PIXEL_Y (w
, r
->y
);
3299 rect
->bottom
= rect
->top
+ r
->height
;
3303 /* x is to the left of the first glyph in the row. */
3304 /* Shouldn't this be a pixel value?
3305 WINDOW_LEFT_EDGE_X (w) seems to be the right value.
3307 rect
->left
= WINDOW_LEFT_EDGE_COL (w
);
3308 rect
->right
= WINDOW_TO_FRAME_PIXEL_X (w
, r
->x
);
3312 for (gx
= r
->x
; g
< end
; gx
+= g
->pixel_width
, ++g
)
3313 if (gx
<= x
&& gx
+ g
->pixel_width
> x
)
3315 /* x is on a glyph. */
3316 rect
->left
= WINDOW_TO_FRAME_PIXEL_X (w
, gx
);
3317 rect
->right
= rect
->left
+ g
->pixel_width
;
3321 /* x is to the right of the last glyph in the row. */
3322 rect
->left
= WINDOW_TO_FRAME_PIXEL_X (w
, gx
);
3323 /* Shouldn't this be a pixel value?
3324 WINDOW_RIGHT_EDGE_X (w) seems to be the right value.
3326 rect
->right
= WINDOW_RIGHT_EDGE_COL (w
);
3331 /* The y is not on any row. */
3335 /* Record the position of the mouse in last_mouse_glyph. */
3337 remember_mouse_glyph (f1
, gx
, gy
)
3341 if (!glyph_rect (f1
, gx
, gy
, &last_mouse_glyph
))
3343 int width
= FRAME_SMALLEST_CHAR_WIDTH (f1
);
3344 int height
= FRAME_SMALLEST_FONT_HEIGHT (f1
);
3346 /* Arrange for the division in FRAME_PIXEL_X_TO_COL etc. to
3347 round down even for negative values. */
3353 /* This was the original code from XTmouse_position, but it seems
3354 to give the position of the glyph diagonally next to the one
3355 the mouse is over. */
3356 gx
= (gx
+ width
- 1) / width
* width
;
3357 gy
= (gy
+ height
- 1) / height
* height
;
3359 gx
= gx
/ width
* width
;
3360 gy
= gy
/ height
* height
;
3363 last_mouse_glyph
.left
= gx
;
3364 last_mouse_glyph
.top
= gy
;
3365 last_mouse_glyph
.right
= gx
+ width
;
3366 last_mouse_glyph
.bottom
= gy
+ height
;
3370 /* Return the current position of the mouse.
3371 *fp should be a frame which indicates which display to ask about.
3373 If the mouse movement started in a scroll bar, set *fp, *bar_window,
3374 and *part to the frame, window, and scroll bar part that the mouse
3375 is over. Set *x and *y to the portion and whole of the mouse's
3376 position on the scroll bar.
3378 If the mouse movement started elsewhere, set *fp to the frame the
3379 mouse is on, *bar_window to nil, and *x and *y to the character cell
3382 Set *time to the server time-stamp for the time at which the mouse
3383 was at this position.
3385 Don't store anything if we don't have a valid set of values to report.
3387 This clears the mouse_moved flag, so we can wait for the next mouse
3391 w32_mouse_position (fp
, insist
, bar_window
, part
, x
, y
, time
)
3394 Lisp_Object
*bar_window
;
3395 enum scroll_bar_part
*part
;
3397 unsigned long *time
;
3403 if (! NILP (last_mouse_scroll_bar
) && insist
== 0)
3404 x_scroll_bar_report_motion (fp
, bar_window
, part
, x
, y
, time
);
3409 Lisp_Object frame
, tail
;
3411 /* Clear the mouse-moved flag for every frame on this display. */
3412 FOR_EACH_FRAME (tail
, frame
)
3413 XFRAME (frame
)->mouse_moved
= 0;
3415 last_mouse_scroll_bar
= Qnil
;
3419 /* Now we have a position on the root; find the innermost window
3420 containing the pointer. */
3422 if (FRAME_W32_DISPLAY_INFO (*fp
)->grabbed
&& last_mouse_frame
3423 && FRAME_LIVE_P (last_mouse_frame
))
3425 /* If mouse was grabbed on a frame, give coords for that frame
3426 even if the mouse is now outside it. */
3427 f1
= last_mouse_frame
;
3431 /* Is window under mouse one of our frames? */
3432 f1
= x_any_window_to_frame (FRAME_W32_DISPLAY_INFO (*fp
),
3433 WindowFromPoint (pt
));
3436 /* If not, is it one of our scroll bars? */
3439 struct scroll_bar
*bar
3440 = x_window_to_scroll_bar (WindowFromPoint (pt
));
3444 f1
= XFRAME (WINDOW_FRAME (XWINDOW (bar
->window
)));
3448 if (f1
== 0 && insist
> 0)
3449 f1
= SELECTED_FRAME ();
3453 /* Ok, we found a frame. Store all the values.
3454 last_mouse_glyph is a rectangle used to reduce the
3455 generation of mouse events. To not miss any motion
3456 events, we must divide the frame into rectangles of the
3457 size of the smallest character that could be displayed
3458 on it, i.e. into the same rectangles that matrices on
3459 the frame are divided into. */
3461 #if OLD_REDISPLAY_CODE
3462 int ignore1
, ignore2
;
3464 ScreenToClient (FRAME_W32_WINDOW (f1
), &pt
);
3466 pixel_to_glyph_coords (f1
, pt
.x
, pt
.y
, &ignore1
, &ignore2
,
3468 FRAME_W32_DISPLAY_INFO (f1
)->grabbed
3471 ScreenToClient (FRAME_W32_WINDOW (f1
), &pt
);
3472 remember_mouse_glyph (f1
, pt
.x
, pt
.y
);
3480 *time
= last_mouse_movement_time
;
3489 /***********************************************************************
3491 ***********************************************************************/
3493 /* Handle mouse button event on the tool-bar of frame F, at
3494 frame-relative coordinates X/Y. EVENT_TYPE is either ButtionPress
3498 w32_handle_tool_bar_click (f
, button_event
)
3500 struct input_event
*button_event
;
3502 int x
= XFASTINT (button_event
->x
);
3503 int y
= XFASTINT (button_event
->y
);
3505 if (button_event
->modifiers
& down_modifier
)
3506 handle_tool_bar_click (f
, x
, y
, 1, 0);
3508 handle_tool_bar_click (f
, x
, y
, 0,
3509 button_event
->modifiers
& ~up_modifier
);
3514 /***********************************************************************
3516 ***********************************************************************/
3518 /* Scroll bar support. */
3520 /* Given a window ID, find the struct scroll_bar which manages it.
3521 This can be called in GC, so we have to make sure to strip off mark
3524 static struct scroll_bar
*
3525 x_window_to_scroll_bar (window_id
)
3530 for (tail
= Vframe_list
;
3531 XGCTYPE (tail
) == Lisp_Cons
;
3534 Lisp_Object frame
, bar
, condemned
;
3536 frame
= XCAR (tail
);
3537 /* All elements of Vframe_list should be frames. */
3538 if (! GC_FRAMEP (frame
))
3541 /* Scan this frame's scroll bar list for a scroll bar with the
3543 condemned
= FRAME_CONDEMNED_SCROLL_BARS (XFRAME (frame
));
3544 for (bar
= FRAME_SCROLL_BARS (XFRAME (frame
));
3545 /* This trick allows us to search both the ordinary and
3546 condemned scroll bar lists with one loop. */
3547 ! GC_NILP (bar
) || (bar
= condemned
,
3550 bar
= XSCROLL_BAR (bar
)->next
)
3551 if (SCROLL_BAR_W32_WINDOW (XSCROLL_BAR (bar
)) == window_id
)
3552 return XSCROLL_BAR (bar
);
3560 /* Set the thumb size and position of scroll bar BAR. We are currently
3561 displaying PORTION out of a whole WHOLE, and our position POSITION. */
3564 w32_set_scroll_bar_thumb (bar
, portion
, position
, whole
)
3565 struct scroll_bar
*bar
;
3566 int portion
, position
, whole
;
3568 Window w
= SCROLL_BAR_W32_WINDOW (bar
);
3569 double range
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
));
3570 int sb_page
, sb_pos
;
3571 BOOL draggingp
= !NILP (bar
->dragging
) ? TRUE
: FALSE
;
3575 /* Position scroll bar at rock bottom if the bottom of the
3576 buffer is visible. This avoids shinking the thumb away
3577 to nothing if it is held at the bottom of the buffer. */
3578 if (position
+ portion
>= whole
)
3580 sb_page
= range
* (whole
- position
) / whole
3581 + VERTICAL_SCROLL_BAR_MIN_HANDLE
;
3585 sb_page
= portion
* range
/ whole
+ VERTICAL_SCROLL_BAR_MIN_HANDLE
;
3586 sb_pos
= position
* range
/ whole
;
3596 if (pfnSetScrollInfo
)
3600 si
.cbSize
= sizeof (si
);
3601 /* Only update page size if currently dragging, to reduce
3604 si
.fMask
= SIF_PAGE
;
3606 si
.fMask
= SIF_PAGE
| SIF_POS
;
3610 pfnSetScrollInfo (w
, SB_CTL
, &si
, !draggingp
);
3613 SetScrollPos (w
, SB_CTL
, sb_pos
, !draggingp
);
3619 /************************************************************************
3620 Scroll bars, general
3621 ************************************************************************/
3624 my_create_scrollbar (f
, bar
)
3626 struct scroll_bar
* bar
;
3628 return (HWND
) SendMessage (FRAME_W32_WINDOW (f
),
3629 WM_EMACS_CREATESCROLLBAR
, (WPARAM
) f
,
3633 /*#define ATTACH_THREADS*/
3636 my_show_window (FRAME_PTR f
, HWND hwnd
, int how
)
3638 #ifndef ATTACH_THREADS
3639 return SendMessage (FRAME_W32_WINDOW (f
), WM_EMACS_SHOWWINDOW
,
3640 (WPARAM
) hwnd
, (LPARAM
) how
);
3642 return ShowWindow (hwnd
, how
);
3647 my_set_window_pos (HWND hwnd
, HWND hwndAfter
,
3648 int x
, int y
, int cx
, int cy
, UINT flags
)
3650 #ifndef ATTACH_THREADS
3652 pos
.hwndInsertAfter
= hwndAfter
;
3658 SendMessage (hwnd
, WM_EMACS_SETWINDOWPOS
, (WPARAM
) &pos
, 0);
3660 SetWindowPos (hwnd
, hwndAfter
, x
, y
, cx
, cy
, flags
);
3665 my_set_focus (f
, hwnd
)
3669 SendMessage (FRAME_W32_WINDOW (f
), WM_EMACS_SETFOCUS
,
3674 my_set_foreground_window (hwnd
)
3677 SendMessage (hwnd
, WM_EMACS_SETFOREGROUND
, (WPARAM
) hwnd
, 0);
3681 my_destroy_window (f
, hwnd
)
3685 SendMessage (FRAME_W32_WINDOW (f
), WM_EMACS_DESTROYWINDOW
,
3689 /* Create a scroll bar and return the scroll bar vector for it. W is
3690 the Emacs window on which to create the scroll bar. TOP, LEFT,
3691 WIDTH and HEIGHT are.the pixel coordinates and dimensions of the
3694 static struct scroll_bar
*
3695 x_scroll_bar_create (w
, top
, left
, width
, height
)
3697 int top
, left
, width
, height
;
3699 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
3701 struct scroll_bar
*bar
3702 = XSCROLL_BAR (Fmake_vector (make_number (SCROLL_BAR_VEC_SIZE
), Qnil
));
3706 XSETWINDOW (bar
->window
, w
);
3707 XSETINT (bar
->top
, top
);
3708 XSETINT (bar
->left
, left
);
3709 XSETINT (bar
->width
, width
);
3710 XSETINT (bar
->height
, height
);
3711 XSETINT (bar
->start
, 0);
3712 XSETINT (bar
->end
, 0);
3713 bar
->dragging
= Qnil
;
3715 /* Requires geometry to be set before call to create the real window */
3717 hwnd
= my_create_scrollbar (f
, bar
);
3719 if (pfnSetScrollInfo
)
3723 si
.cbSize
= sizeof (si
);
3726 si
.nMax
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, height
)
3727 + VERTICAL_SCROLL_BAR_MIN_HANDLE
;
3731 pfnSetScrollInfo (hwnd
, SB_CTL
, &si
, FALSE
);
3735 SetScrollRange (hwnd
, SB_CTL
, 0,
3736 VERTICAL_SCROLL_BAR_TOP_RANGE (f
, height
), FALSE
);
3737 SetScrollPos (hwnd
, SB_CTL
, 0, FALSE
);
3740 SET_SCROLL_BAR_W32_WINDOW (bar
, hwnd
);
3742 /* Add bar to its frame's list of scroll bars. */
3743 bar
->next
= FRAME_SCROLL_BARS (f
);
3745 XSETVECTOR (FRAME_SCROLL_BARS (f
), bar
);
3746 if (! NILP (bar
->next
))
3747 XSETVECTOR (XSCROLL_BAR (bar
->next
)->prev
, bar
);
3755 /* Destroy scroll bar BAR, and set its Emacs window's scroll bar to
3759 x_scroll_bar_remove (bar
)
3760 struct scroll_bar
*bar
;
3762 FRAME_PTR f
= XFRAME (WINDOW_FRAME (XWINDOW (bar
->window
)));
3766 /* Destroy the window. */
3767 my_destroy_window (f
, SCROLL_BAR_W32_WINDOW (bar
));
3769 /* Disassociate this scroll bar from its window. */
3770 XWINDOW (bar
->window
)->vertical_scroll_bar
= Qnil
;
3775 /* Set the handle of the vertical scroll bar for WINDOW to indicate
3776 that we are displaying PORTION characters out of a total of WHOLE
3777 characters, starting at POSITION. If WINDOW has no scroll bar,
3780 w32_set_vertical_scroll_bar (w
, portion
, whole
, position
)
3782 int portion
, whole
, position
;
3784 struct frame
*f
= XFRAME (w
->frame
);
3785 struct scroll_bar
*bar
;
3786 int top
, height
, left
, sb_left
, width
, sb_width
;
3787 int window_y
, window_height
;
3789 /* Get window dimensions. */
3790 window_box (w
, -1, 0, &window_y
, 0, &window_height
);
3792 width
= WINDOW_CONFIG_SCROLL_BAR_COLS (w
) * FRAME_COLUMN_WIDTH (f
);
3793 height
= window_height
;
3795 /* Compute the left edge of the scroll bar area. */
3796 left
= WINDOW_SCROLL_BAR_AREA_X (w
);
3798 /* Compute the width of the scroll bar which might be less than
3799 the width of the area reserved for the scroll bar. */
3800 if (WINDOW_CONFIG_SCROLL_BAR_WIDTH (w
) > 0)
3801 sb_width
= WINDOW_CONFIG_SCROLL_BAR_WIDTH (w
);
3805 /* Compute the left edge of the scroll bar. */
3806 if (WINDOW_HAS_VERTICAL_SCROLL_BAR_ON_RIGHT (w
))
3807 sb_left
= left
+ width
- sb_width
- (width
- sb_width
) / 2;
3809 sb_left
= left
+ (width
- sb_width
) / 2;
3811 /* Does the scroll bar exist yet? */
3812 if (NILP (w
->vertical_scroll_bar
))
3816 if (width
> 0 && height
> 0)
3818 hdc
= get_frame_dc (f
);
3819 w32_clear_area (f
, hdc
, left
, top
, width
, height
);
3820 release_frame_dc (f
, hdc
);
3824 bar
= x_scroll_bar_create (w
, top
, sb_left
, sb_width
, height
);
3828 /* It may just need to be moved and resized. */
3831 bar
= XSCROLL_BAR (w
->vertical_scroll_bar
);
3832 hwnd
= SCROLL_BAR_W32_WINDOW (bar
);
3834 /* If already correctly positioned, do nothing. */
3835 if ( XINT (bar
->left
) == sb_left
3836 && XINT (bar
->top
) == top
3837 && XINT (bar
->width
) == sb_width
3838 && XINT (bar
->height
) == height
)
3840 /* Redraw after clear_frame. */
3841 if (!my_show_window (f
, hwnd
, SW_NORMAL
))
3842 InvalidateRect (hwnd
, NULL
, FALSE
);
3848 if (width
&& height
)
3850 hdc
= get_frame_dc (f
);
3851 /* Since Windows scroll bars are smaller than the space reserved
3852 for them on the frame, we have to clear "under" them. */
3853 w32_clear_area (f
, hdc
,
3858 release_frame_dc (f
, hdc
);
3860 /* Make sure scroll bar is "visible" before moving, to ensure the
3861 area of the parent window now exposed will be refreshed. */
3862 my_show_window (f
, hwnd
, SW_HIDE
);
3863 MoveWindow (hwnd
, sb_left
+ VERTICAL_SCROLL_BAR_WIDTH_TRIM
,
3864 top
, sb_width
- VERTICAL_SCROLL_BAR_WIDTH_TRIM
* 2,
3865 max (height
, 1), TRUE
);
3866 if (pfnSetScrollInfo
)
3870 si
.cbSize
= sizeof (si
);
3871 si
.fMask
= SIF_RANGE
;
3873 si
.nMax
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, height
)
3874 + VERTICAL_SCROLL_BAR_MIN_HANDLE
;
3876 pfnSetScrollInfo (hwnd
, SB_CTL
, &si
, FALSE
);
3879 SetScrollRange (hwnd
, SB_CTL
, 0,
3880 VERTICAL_SCROLL_BAR_TOP_RANGE (f
, height
), FALSE
);
3881 my_show_window (f
, hwnd
, SW_NORMAL
);
3882 /* InvalidateRect (w, NULL, FALSE); */
3884 /* Remember new settings. */
3885 XSETINT (bar
->left
, sb_left
);
3886 XSETINT (bar
->top
, top
);
3887 XSETINT (bar
->width
, sb_width
);
3888 XSETINT (bar
->height
, height
);
3893 w32_set_scroll_bar_thumb (bar
, portion
, position
, whole
);
3895 XSETVECTOR (w
->vertical_scroll_bar
, bar
);
3899 /* The following three hooks are used when we're doing a thorough
3900 redisplay of the frame. We don't explicitly know which scroll bars
3901 are going to be deleted, because keeping track of when windows go
3902 away is a real pain - "Can you say set-window-configuration, boys
3903 and girls?" Instead, we just assert at the beginning of redisplay
3904 that *all* scroll bars are to be removed, and then save a scroll bar
3905 from the fiery pit when we actually redisplay its window. */
3907 /* Arrange for all scroll bars on FRAME to be removed at the next call
3908 to `*judge_scroll_bars_hook'. A scroll bar may be spared if
3909 `*redeem_scroll_bar_hook' is applied to its window before the judgment. */
3912 w32_condemn_scroll_bars (frame
)
3915 /* Transfer all the scroll bars to FRAME_CONDEMNED_SCROLL_BARS. */
3916 while (! NILP (FRAME_SCROLL_BARS (frame
)))
3919 bar
= FRAME_SCROLL_BARS (frame
);
3920 FRAME_SCROLL_BARS (frame
) = XSCROLL_BAR (bar
)->next
;
3921 XSCROLL_BAR (bar
)->next
= FRAME_CONDEMNED_SCROLL_BARS (frame
);
3922 XSCROLL_BAR (bar
)->prev
= Qnil
;
3923 if (! NILP (FRAME_CONDEMNED_SCROLL_BARS (frame
)))
3924 XSCROLL_BAR (FRAME_CONDEMNED_SCROLL_BARS (frame
))->prev
= bar
;
3925 FRAME_CONDEMNED_SCROLL_BARS (frame
) = bar
;
3930 /* Un-mark WINDOW's scroll bar for deletion in this judgment cycle.
3931 Note that WINDOW isn't necessarily condemned at all. */
3934 w32_redeem_scroll_bar (window
)
3935 struct window
*window
;
3937 struct scroll_bar
*bar
;
3940 /* We can't redeem this window's scroll bar if it doesn't have one. */
3941 if (NILP (window
->vertical_scroll_bar
))
3944 bar
= XSCROLL_BAR (window
->vertical_scroll_bar
);
3946 /* Unlink it from the condemned list. */
3947 f
= XFRAME (WINDOW_FRAME (window
));
3948 if (NILP (bar
->prev
))
3950 /* If the prev pointer is nil, it must be the first in one of
3952 if (EQ (FRAME_SCROLL_BARS (f
), window
->vertical_scroll_bar
))
3953 /* It's not condemned. Everything's fine. */
3955 else if (EQ (FRAME_CONDEMNED_SCROLL_BARS (f
),
3956 window
->vertical_scroll_bar
))
3957 FRAME_CONDEMNED_SCROLL_BARS (f
) = bar
->next
;
3959 /* If its prev pointer is nil, it must be at the front of
3960 one or the other! */
3964 XSCROLL_BAR (bar
->prev
)->next
= bar
->next
;
3966 if (! NILP (bar
->next
))
3967 XSCROLL_BAR (bar
->next
)->prev
= bar
->prev
;
3969 bar
->next
= FRAME_SCROLL_BARS (f
);
3971 XSETVECTOR (FRAME_SCROLL_BARS (f
), bar
);
3972 if (! NILP (bar
->next
))
3973 XSETVECTOR (XSCROLL_BAR (bar
->next
)->prev
, bar
);
3976 /* Remove all scroll bars on FRAME that haven't been saved since the
3977 last call to `*condemn_scroll_bars_hook'. */
3980 w32_judge_scroll_bars (f
)
3983 Lisp_Object bar
, next
;
3985 bar
= FRAME_CONDEMNED_SCROLL_BARS (f
);
3987 /* Clear out the condemned list now so we won't try to process any
3988 more events on the hapless scroll bars. */
3989 FRAME_CONDEMNED_SCROLL_BARS (f
) = Qnil
;
3991 for (; ! NILP (bar
); bar
= next
)
3993 struct scroll_bar
*b
= XSCROLL_BAR (bar
);
3995 x_scroll_bar_remove (b
);
3998 b
->next
= b
->prev
= Qnil
;
4001 /* Now there should be no references to the condemned scroll bars,
4002 and they should get garbage-collected. */
4005 /* Handle a mouse click on the scroll bar BAR. If *EMACS_EVENT's kind
4006 is set to something other than NO_EVENT, it is enqueued.
4008 This may be called from a signal handler, so we have to ignore GC
4012 w32_scroll_bar_handle_click (bar
, msg
, emacs_event
)
4013 struct scroll_bar
*bar
;
4015 struct input_event
*emacs_event
;
4017 if (! GC_WINDOWP (bar
->window
))
4020 emacs_event
->kind
= W32_SCROLL_BAR_CLICK_EVENT
;
4021 emacs_event
->code
= 0;
4022 /* not really meaningful to distinguish up/down */
4023 emacs_event
->modifiers
= msg
->dwModifiers
;
4024 emacs_event
->frame_or_window
= bar
->window
;
4025 emacs_event
->arg
= Qnil
;
4026 emacs_event
->timestamp
= msg
->msg
.time
;
4029 int top_range
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
));
4031 int dragging
= !NILP (bar
->dragging
);
4033 if (pfnGetScrollInfo
)
4037 si
.cbSize
= sizeof (si
);
4040 pfnGetScrollInfo ((HWND
) msg
->msg
.lParam
, SB_CTL
, &si
);
4044 y
= GetScrollPos ((HWND
) msg
->msg
.lParam
, SB_CTL
);
4046 bar
->dragging
= Qnil
;
4049 last_mouse_scroll_bar_pos
= msg
->msg
.wParam
;
4051 switch (LOWORD (msg
->msg
.wParam
))
4054 emacs_event
->part
= scroll_bar_down_arrow
;
4057 emacs_event
->part
= scroll_bar_up_arrow
;
4060 emacs_event
->part
= scroll_bar_above_handle
;
4063 emacs_event
->part
= scroll_bar_below_handle
;
4066 emacs_event
->part
= scroll_bar_handle
;
4070 emacs_event
->part
= scroll_bar_handle
;
4074 case SB_THUMBPOSITION
:
4075 if (VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
)) <= 0xffff)
4076 y
= HIWORD (msg
->msg
.wParam
);
4078 emacs_event
->part
= scroll_bar_handle
;
4080 /* "Silently" update current position. */
4081 if (pfnSetScrollInfo
)
4085 si
.cbSize
= sizeof (si
);
4088 /* Remember apparent position (we actually lag behind the real
4089 position, so don't set that directly. */
4090 last_scroll_bar_drag_pos
= y
;
4092 pfnSetScrollInfo (SCROLL_BAR_W32_WINDOW (bar
), SB_CTL
, &si
, FALSE
);
4095 SetScrollPos (SCROLL_BAR_W32_WINDOW (bar
), SB_CTL
, y
, FALSE
);
4098 /* If this is the end of a drag sequence, then reset the scroll
4099 handle size to normal and do a final redraw. Otherwise do
4103 if (pfnSetScrollInfo
)
4106 int start
= XINT (bar
->start
);
4107 int end
= XINT (bar
->end
);
4109 si
.cbSize
= sizeof (si
);
4110 si
.fMask
= SIF_PAGE
| SIF_POS
;
4111 si
.nPage
= end
- start
+ VERTICAL_SCROLL_BAR_MIN_HANDLE
;
4112 si
.nPos
= last_scroll_bar_drag_pos
;
4113 pfnSetScrollInfo (SCROLL_BAR_W32_WINDOW (bar
), SB_CTL
, &si
, TRUE
);
4116 SetScrollPos (SCROLL_BAR_W32_WINDOW (bar
), SB_CTL
, y
, TRUE
);
4120 emacs_event
->kind
= NO_EVENT
;
4124 XSETINT (emacs_event
->x
, y
);
4125 XSETINT (emacs_event
->y
, top_range
);
4131 /* Return information to the user about the current position of the mouse
4132 on the scroll bar. */
4135 x_scroll_bar_report_motion (fp
, bar_window
, part
, x
, y
, time
)
4137 Lisp_Object
*bar_window
;
4138 enum scroll_bar_part
*part
;
4140 unsigned long *time
;
4142 struct scroll_bar
*bar
= XSCROLL_BAR (last_mouse_scroll_bar
);
4143 Window w
= SCROLL_BAR_W32_WINDOW (bar
);
4144 FRAME_PTR f
= XFRAME (WINDOW_FRAME (XWINDOW (bar
->window
)));
4146 int top_range
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
));
4151 *bar_window
= bar
->window
;
4153 if (pfnGetScrollInfo
)
4157 si
.cbSize
= sizeof (si
);
4158 si
.fMask
= SIF_POS
| SIF_PAGE
| SIF_RANGE
;
4160 pfnGetScrollInfo (w
, SB_CTL
, &si
);
4162 top_range
= si
.nMax
- si
.nPage
+ 1;
4165 pos
= GetScrollPos (w
, SB_CTL
);
4167 switch (LOWORD (last_mouse_scroll_bar_pos
))
4169 case SB_THUMBPOSITION
:
4171 *part
= scroll_bar_handle
;
4172 if (VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
)) <= 0xffff)
4173 pos
= HIWORD (last_mouse_scroll_bar_pos
);
4176 *part
= scroll_bar_handle
;
4180 *part
= scroll_bar_handle
;
4185 XSETINT (*y
, top_range
);
4188 last_mouse_scroll_bar
= Qnil
;
4190 *time
= last_mouse_movement_time
;
4196 /* The screen has been cleared so we may have changed foreground or
4197 background colors, and the scroll bars may need to be redrawn.
4198 Clear out the scroll bars, and ask for expose events, so we can
4202 x_scroll_bar_clear (f
)
4207 /* We can have scroll bars even if this is 0,
4208 if we just turned off scroll bar mode.
4209 But in that case we should not clear them. */
4210 if (FRAME_HAS_VERTICAL_SCROLL_BARS (f
))
4211 for (bar
= FRAME_SCROLL_BARS (f
); VECTORP (bar
);
4212 bar
= XSCROLL_BAR (bar
)->next
)
4214 HWND window
= SCROLL_BAR_W32_WINDOW (XSCROLL_BAR (bar
));
4215 HDC hdc
= GetDC (window
);
4218 /* Hide scroll bar until ready to repaint. x_scroll_bar_move
4219 arranges to refresh the scroll bar if hidden. */
4220 my_show_window (f
, window
, SW_HIDE
);
4222 GetClientRect (window
, &rect
);
4223 select_palette (f
, hdc
);
4224 w32_clear_rect (f
, hdc
, &rect
);
4225 deselect_palette (f
, hdc
);
4227 ReleaseDC (window
, hdc
);
4232 /* The main W32 event-reading loop - w32_read_socket. */
4234 /* Record the last 100 characters stored
4235 to help debug the loss-of-chars-during-GC problem. */
4237 static int temp_index
;
4238 static short temp_buffer
[100];
4241 /* Read events coming from the W32 shell.
4242 This routine is called by the SIGIO handler.
4243 We return as soon as there are no more events to be read.
4245 We return the number of characters stored into the buffer,
4246 thus pretending to be `read'.
4248 EXPECTED is nonzero if the caller knows input is available.
4250 Some of these messages are reposted back to the message queue since the
4251 system calls the windows proc directly in a context where we cannot return
4252 the data nor can we guarantee the state we are in. So if we dispatch them
4253 we will get into an infinite loop. To prevent this from ever happening we
4254 will set a variable to indicate we are in the read_socket call and indicate
4255 which message we are processing since the windows proc gets called
4256 recursively with different messages by the system.
4260 w32_read_socket (sd
, expected
, hold_quit
)
4263 struct input_event
*hold_quit
;
4266 int check_visibility
= 0;
4269 struct w32_display_info
*dpyinfo
= &one_w32_display_info
;
4271 if (interrupt_input_blocked
)
4273 interrupt_input_pending
= 1;
4277 interrupt_input_pending
= 0;
4280 /* So people can tell when we have read the available input. */
4281 input_signal_count
++;
4283 /* TODO: ghostscript integration. */
4284 while (get_next_msg (&msg
, FALSE
))
4286 struct input_event inev
;
4290 inev
.kind
= NO_EVENT
;
4293 switch (msg
.msg
.message
)
4296 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4300 if (msg
.rect
.right
== msg
.rect
.left
||
4301 msg
.rect
.bottom
== msg
.rect
.top
)
4303 /* We may get paint messages even though the client
4304 area is clipped - these are not expose events. */
4305 DebPrint (("clipped frame %p (%s) got WM_PAINT - ignored\n", f
,
4308 else if (f
->async_visible
!= 1)
4310 /* Definitely not obscured, so mark as visible. */
4311 f
->async_visible
= 1;
4312 f
->async_iconified
= 0;
4313 SET_FRAME_GARBAGED (f
);
4314 DebPrint (("frame %p (%s) reexposed by WM_PAINT\n", f
,
4317 /* WM_PAINT serves as MapNotify as well, so report
4318 visibility changes properly. */
4321 inev
.kind
= DEICONIFY_EVENT
;
4322 XSETFRAME (inev
.frame_or_window
, f
);
4324 else if (! NILP (Vframe_list
)
4325 && ! NILP (XCDR (Vframe_list
)))
4326 /* Force a redisplay sooner or later to update the
4327 frame titles in case this is the second frame. */
4328 record_asynch_buffer_change ();
4332 HDC hdc
= get_frame_dc (f
);
4334 /* Erase background again for safety. */
4335 w32_clear_rect (f
, hdc
, &msg
.rect
);
4336 release_frame_dc (f
, hdc
);
4340 msg
.rect
.right
- msg
.rect
.left
,
4341 msg
.rect
.bottom
- msg
.rect
.top
);
4346 case WM_INPUTLANGCHANGE
:
4347 /* Generate a language change event. */
4348 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4352 inev
.kind
= LANGUAGE_CHANGE_EVENT
;
4353 XSETFRAME (inev
.frame_or_window
, f
);
4354 inev
.code
= msg
.msg
.wParam
;
4355 inev
.modifiers
= msg
.msg
.lParam
& 0xffff;
4361 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4363 if (f
&& !f
->iconified
)
4365 if (!dpyinfo
->mouse_face_hidden
&& INTEGERP (Vmouse_highlight
))
4367 clear_mouse_face (dpyinfo
);
4368 dpyinfo
->mouse_face_hidden
= 1;
4371 if (temp_index
== sizeof temp_buffer
/ sizeof (short))
4373 temp_buffer
[temp_index
++] = msg
.msg
.wParam
;
4374 inev
.kind
= NON_ASCII_KEYSTROKE_EVENT
;
4375 inev
.code
= msg
.msg
.wParam
;
4376 inev
.modifiers
= msg
.dwModifiers
;
4377 XSETFRAME (inev
.frame_or_window
, f
);
4378 inev
.timestamp
= msg
.msg
.time
;
4384 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4386 if (f
&& !f
->iconified
)
4388 if (!dpyinfo
->mouse_face_hidden
&& INTEGERP (Vmouse_highlight
))
4390 clear_mouse_face (dpyinfo
);
4391 dpyinfo
->mouse_face_hidden
= 1;
4394 if (temp_index
== sizeof temp_buffer
/ sizeof (short))
4396 temp_buffer
[temp_index
++] = msg
.msg
.wParam
;
4397 inev
.kind
= ASCII_KEYSTROKE_EVENT
;
4398 inev
.code
= msg
.msg
.wParam
;
4399 inev
.modifiers
= msg
.dwModifiers
;
4400 XSETFRAME (inev
.frame_or_window
, f
);
4401 inev
.timestamp
= msg
.msg
.time
;
4406 /* Ignore non-movement. */
4408 int x
= LOWORD (msg
.msg
.lParam
);
4409 int y
= HIWORD (msg
.msg
.lParam
);
4410 if (x
== last_mousemove_x
&& y
== last_mousemove_y
)
4412 last_mousemove_x
= x
;
4413 last_mousemove_y
= y
;
4416 previous_help_echo_string
= help_echo_string
;
4418 if (dpyinfo
->grabbed
&& last_mouse_frame
4419 && FRAME_LIVE_P (last_mouse_frame
))
4420 f
= last_mouse_frame
;
4422 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4424 if (dpyinfo
->mouse_face_hidden
)
4426 dpyinfo
->mouse_face_hidden
= 0;
4427 clear_mouse_face (dpyinfo
);
4432 /* Generate SELECT_WINDOW_EVENTs when needed. */
4433 if (mouse_autoselect_window
)
4436 int x
= LOWORD (msg
.msg
.lParam
);
4437 int y
= HIWORD (msg
.msg
.lParam
);
4439 window
= window_from_coordinates (f
, x
, y
, 0, 0, 0, 0);
4441 /* Window will be selected only when it is not
4442 selected now and last mouse movement event was
4443 not in it. Minibuffer window will be selected
4444 iff it is active. */
4446 && !EQ (window
, last_window
)
4447 && !EQ (window
, selected_window
))
4449 inev
.kind
= SELECT_WINDOW_EVENT
;
4450 inev
.frame_or_window
= window
;
4455 note_mouse_movement (f
, &msg
.msg
);
4459 /* If we move outside the frame, then we're
4460 certainly no longer on any text in the frame. */
4461 clear_mouse_face (dpyinfo
);
4464 /* If the contents of the global variable help_echo_string
4465 has changed, generate a HELP_EVENT. */
4466 #if 0 /* The below is an invalid comparison when USE_LISP_UNION_TYPE.
4467 But it was originally changed to this to fix a bug, so I have
4468 not removed it completely in case the bug is still there. */
4469 if (help_echo_string
!= previous_help_echo_string
||
4470 (!NILP (help_echo_string
) && !STRINGP (help_echo_string
) && f
->mouse_moved
))
4471 #else /* This is what xterm.c does. */
4472 if (!NILP (help_echo_string
)
4473 || !NILP (previous_help_echo_string
))
4478 case WM_LBUTTONDOWN
:
4480 case WM_MBUTTONDOWN
:
4482 case WM_RBUTTONDOWN
:
4484 case WM_XBUTTONDOWN
:
4487 /* If we decide we want to generate an event to be seen
4488 by the rest of Emacs, we put it here. */
4493 if (dpyinfo
->grabbed
&& last_mouse_frame
4494 && FRAME_LIVE_P (last_mouse_frame
))
4495 f
= last_mouse_frame
;
4497 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4501 construct_mouse_click (&inev
, &msg
, f
);
4503 /* Is this in the tool-bar? */
4504 if (WINDOWP (f
->tool_bar_window
)
4505 && WINDOW_TOTAL_LINES (XWINDOW (f
->tool_bar_window
)))
4508 int x
= XFASTINT (inev
.x
);
4509 int y
= XFASTINT (inev
.y
);
4511 window
= window_from_coordinates (f
, x
, y
, 0, 0, 0, 1);
4513 if (EQ (window
, f
->tool_bar_window
))
4515 w32_handle_tool_bar_click (f
, &inev
);
4521 || (dpyinfo
->w32_focus_frame
4522 && f
!= dpyinfo
->w32_focus_frame
))
4523 inev
.kind
= NO_EVENT
;
4526 parse_button (msg
.msg
.message
, HIWORD (msg
.msg
.wParam
),
4531 dpyinfo
->grabbed
&= ~ (1 << button
);
4535 dpyinfo
->grabbed
|= (1 << button
);
4536 last_mouse_frame
= f
;
4537 /* Ignore any mouse motion that happened
4538 before this event; any subsequent mouse-movement
4539 Emacs events should reflect only motion after
4545 last_tool_bar_item
= -1;
4552 if (dpyinfo
->grabbed
&& last_mouse_frame
4553 && FRAME_LIVE_P (last_mouse_frame
))
4554 f
= last_mouse_frame
;
4556 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4561 if (!dpyinfo
->w32_focus_frame
4562 || f
== dpyinfo
->w32_focus_frame
)
4564 /* Emit an Emacs wheel-up/down event. */
4565 construct_mouse_wheel (&inev
, &msg
, f
);
4567 /* Ignore any mouse motion that happened before this
4568 event; any subsequent mouse-movement Emacs events
4569 should reflect only motion after the
4573 last_mouse_frame
= f
;
4574 last_tool_bar_item
= -1;
4579 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4582 construct_drag_n_drop (&inev
, &msg
, f
);
4587 struct scroll_bar
*bar
=
4588 x_window_to_scroll_bar ((HWND
)msg
.msg
.lParam
);
4591 w32_scroll_bar_handle_click (bar
, &msg
, &inev
);
4595 case WM_WINDOWPOSCHANGED
:
4596 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4599 if (f
->want_fullscreen
& FULLSCREEN_WAIT
)
4600 f
->want_fullscreen
&= ~(FULLSCREEN_WAIT
|FULLSCREEN_BOTH
);
4602 check_visibility
= 1;
4606 case WM_ACTIVATEAPP
:
4607 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4609 x_check_fullscreen (f
);
4610 check_visibility
= 1;
4614 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4616 if (f
&& !f
->async_iconified
)
4620 x_real_positions (f
, &x
, &y
);
4625 check_visibility
= 1;
4629 /* wParam non-zero means Window is about to be shown, 0 means
4630 about to be hidden. */
4631 /* Redo the mouse-highlight after the tooltip has gone. */
4632 if (!msg
.msg
.wParam
&& msg
.msg
.hwnd
== tip_window
)
4635 redo_mouse_highlight ();
4638 /* If window has been obscured or exposed by another window
4639 being maximised or minimised/restored, then recheck
4640 visibility of all frames. Direct changes to our own
4641 windows get handled by WM_SIZE. */
4643 if (msg
.msg
.lParam
!= 0)
4644 check_visibility
= 1;
4647 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4648 f
->async_visible
= msg
.msg
.wParam
;
4652 check_visibility
= 1;
4656 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4658 /* Inform lisp of whether frame has been iconified etc. */
4661 switch (msg
.msg
.wParam
)
4663 case SIZE_MINIMIZED
:
4664 f
->async_visible
= 0;
4665 f
->async_iconified
= 1;
4667 inev
.kind
= ICONIFY_EVENT
;
4668 XSETFRAME (inev
.frame_or_window
, f
);
4671 case SIZE_MAXIMIZED
:
4673 f
->async_visible
= 1;
4674 f
->async_iconified
= 0;
4676 /* wait_reading_process_output will notice this and update
4677 the frame's display structures. */
4678 SET_FRAME_GARBAGED (f
);
4684 /* Reset top and left positions of the Window
4685 here since Windows sends a WM_MOVE message
4686 BEFORE telling us the Window is minimized
4687 when the Window is iconified, with 3000,3000
4689 x_real_positions (f
, &x
, &y
);
4693 inev
.kind
= DEICONIFY_EVENT
;
4694 XSETFRAME (inev
.frame_or_window
, f
);
4696 else if (! NILP (Vframe_list
)
4697 && ! NILP (XCDR (Vframe_list
)))
4698 /* Force a redisplay sooner or later
4699 to update the frame titles
4700 in case this is the second frame. */
4701 record_asynch_buffer_change ();
4706 if (f
&& !f
->async_iconified
&& msg
.msg
.wParam
!= SIZE_MINIMIZED
)
4714 GetClientRect (msg
.msg
.hwnd
, &rect
);
4716 height
= rect
.bottom
- rect
.top
;
4717 width
= rect
.right
- rect
.left
;
4719 rows
= FRAME_PIXEL_HEIGHT_TO_TEXT_LINES (f
, height
);
4720 columns
= FRAME_PIXEL_WIDTH_TO_TEXT_COLS (f
, width
);
4722 /* TODO: Clip size to the screen dimensions. */
4724 /* Even if the number of character rows and columns has
4725 not changed, the font size may have changed, so we need
4726 to check the pixel dimensions as well. */
4728 if (columns
!= FRAME_COLS (f
)
4729 || rows
!= FRAME_LINES (f
)
4730 || width
!= FRAME_PIXEL_WIDTH (f
)
4731 || height
!= FRAME_PIXEL_HEIGHT (f
))
4733 change_frame_size (f
, rows
, columns
, 0, 1, 0);
4734 SET_FRAME_GARBAGED (f
);
4735 cancel_mouse_face (f
);
4736 FRAME_PIXEL_WIDTH (f
) = width
;
4737 FRAME_PIXEL_HEIGHT (f
) = height
;
4738 f
->win_gravity
= NorthWestGravity
;
4742 check_visibility
= 1;
4746 f
= x_any_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4749 if (f
== dpyinfo
->mouse_face_mouse_frame
)
4751 /* If we move outside the frame, then we're
4752 certainly no longer on any text in the frame. */
4753 clear_mouse_face (dpyinfo
);
4754 dpyinfo
->mouse_face_mouse_frame
= 0;
4757 /* Generate a nil HELP_EVENT to cancel a help-echo.
4758 Do it only if there's something to cancel.
4759 Otherwise, the startup message is cleared when
4760 the mouse leaves the frame. */
4761 if (any_help_event_p
)
4767 w32_detect_focus_change (dpyinfo
, &msg
, &inev
);
4769 dpyinfo
->grabbed
= 0;
4770 check_visibility
= 1;
4774 f
= x_top_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4778 if (f
== dpyinfo
->w32_focus_event_frame
)
4779 dpyinfo
->w32_focus_event_frame
= 0;
4781 if (f
== dpyinfo
->w32_focus_frame
)
4782 x_new_focus_frame (dpyinfo
, 0);
4784 if (f
== dpyinfo
->mouse_face_mouse_frame
)
4786 /* If we move outside the frame, then we're
4787 certainly no longer on any text in the frame. */
4788 clear_mouse_face (dpyinfo
);
4789 dpyinfo
->mouse_face_mouse_frame
= 0;
4792 /* Generate a nil HELP_EVENT to cancel a help-echo.
4793 Do it only if there's something to cancel.
4794 Otherwise, the startup message is cleared when
4795 the mouse leaves the frame. */
4796 if (any_help_event_p
)
4800 dpyinfo
->grabbed
= 0;
4801 check_visibility
= 1;
4805 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4809 inev
.kind
= DELETE_WINDOW_EVENT
;
4810 XSETFRAME (inev
.frame_or_window
, f
);
4815 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4819 inev
.kind
= MENU_BAR_ACTIVATE_EVENT
;
4820 XSETFRAME (inev
.frame_or_window
, f
);
4825 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4829 extern void menubar_selection_callback
4830 (FRAME_PTR f
, void * client_data
);
4831 menubar_selection_callback (f
, (void *)msg
.msg
.wParam
);
4834 check_visibility
= 1;
4837 case WM_DISPLAYCHANGE
:
4838 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4842 dpyinfo
->width
= (short) LOWORD (msg
.msg
.lParam
);
4843 dpyinfo
->height
= (short) HIWORD (msg
.msg
.lParam
);
4844 dpyinfo
->n_cbits
= msg
.msg
.wParam
;
4845 DebPrint (("display change: %d %d\n", dpyinfo
->width
,
4849 check_visibility
= 1;
4853 /* Check for messages registered at runtime. */
4854 if (msg
.msg
.message
== msh_mousewheel
)
4856 /* Forward MSH_MOUSEWHEEL as WM_MOUSEWHEEL. */
4857 msg
.msg
.message
= WM_MOUSEWHEEL
;
4863 if (inev
.kind
!= NO_EVENT
)
4865 kbd_buffer_store_event_hold (&inev
, hold_quit
);
4870 && !(hold_quit
&& hold_quit
->kind
!= NO_EVENT
))
4875 XSETFRAME (frame
, f
);
4881 if (NILP (help_echo_string
))
4883 help_echo_object
= help_echo_window
= Qnil
;
4887 any_help_event_p
= 1;
4888 gen_help_event (help_echo_string
, frame
, help_echo_window
,
4889 help_echo_object
, help_echo_pos
);
4893 help_echo_string
= Qnil
;
4894 gen_help_event (Qnil
, frame
, Qnil
, Qnil
, 0);
4900 /* If the focus was just given to an autoraising frame,
4902 /* ??? This ought to be able to handle more than one such frame. */
4903 if (pending_autoraise_frame
)
4905 x_raise_frame (pending_autoraise_frame
);
4906 pending_autoraise_frame
= 0;
4909 /* Check which frames are still visisble, if we have enqueued any user
4910 events or been notified of events that may affect visibility. We
4911 do this here because there doesn't seem to be any direct
4912 notification from Windows that the visibility of a window has
4913 changed (at least, not in all cases). */
4914 if (count
> 0 || check_visibility
)
4916 Lisp_Object tail
, frame
;
4918 FOR_EACH_FRAME (tail
, frame
)
4920 FRAME_PTR f
= XFRAME (frame
);
4921 /* The tooltip has been drawn already. Avoid the
4922 SET_FRAME_GARBAGED below. */
4923 if (EQ (frame
, tip_frame
))
4926 /* Check "visible" frames and mark each as obscured or not.
4927 Note that async_visible is nonzero for unobscured and
4928 obscured frames, but zero for hidden and iconified frames. */
4929 if (FRAME_W32_P (f
) && f
->async_visible
)
4935 /* Query clipping rectangle for the entire window area
4936 (GetWindowDC), not just the client portion (GetDC).
4937 Otherwise, the scrollbars and menubar aren't counted as
4938 part of the visible area of the frame, and we may think
4939 the frame is obscured when really a scrollbar is still
4940 visible and gets WM_PAINT messages above. */
4941 hdc
= GetWindowDC (FRAME_W32_WINDOW (f
));
4942 GetClipBox (hdc
, &clipbox
);
4943 ReleaseDC (FRAME_W32_WINDOW (f
), hdc
);
4946 if (clipbox
.right
== clipbox
.left
4947 || clipbox
.bottom
== clipbox
.top
)
4949 /* Frame has become completely obscured so mark as
4950 such (we do this by setting async_visible to 2 so
4951 that FRAME_VISIBLE_P is still true, but redisplay
4953 f
->async_visible
= 2;
4955 if (!FRAME_OBSCURED_P (f
))
4957 DebPrint (("frame %p (%s) obscured\n", f
,
4963 /* Frame is not obscured, so mark it as such. */
4964 f
->async_visible
= 1;
4966 if (FRAME_OBSCURED_P (f
))
4968 SET_FRAME_GARBAGED (f
);
4969 DebPrint (("obscured frame %p (%s) found to be visible\n", f
,
4972 /* Force a redisplay sooner or later. */
4973 record_asynch_buffer_change ();
4986 /***********************************************************************
4988 ***********************************************************************/
4990 /* Set clipping for output in glyph row ROW. W is the window in which
4991 we operate. GC is the graphics context to set clipping in.
4993 ROW may be a text row or, e.g., a mode line. Text rows must be
4994 clipped to the interior of the window dedicated to text display,
4995 mode lines must be clipped to the whole window. */
4998 w32_clip_to_row (w
, row
, area
, hdc
)
5000 struct glyph_row
*row
;
5004 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
5006 int window_x
, window_y
, window_width
;
5008 window_box (w
, area
, &window_x
, &window_y
, &window_width
, 0);
5010 clip_rect
.left
= window_x
;
5011 clip_rect
.top
= WINDOW_TO_FRAME_PIXEL_Y (w
, row
->y
);
5012 clip_rect
.top
= max (clip_rect
.top
, window_y
);
5013 clip_rect
.right
= clip_rect
.left
+ window_width
;
5014 clip_rect
.bottom
= clip_rect
.top
+ row
->visible_height
;
5016 w32_set_clip_rectangle (hdc
, &clip_rect
);
5020 /* Draw a hollow box cursor on window W in glyph row ROW. */
5023 x_draw_hollow_cursor (w
, row
)
5025 struct glyph_row
*row
;
5027 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
5031 struct glyph
*cursor_glyph
;
5032 HBRUSH hb
= CreateSolidBrush (f
->output_data
.w32
->cursor_pixel
);
5034 /* Get the glyph the cursor is on. If we can't tell because
5035 the current matrix is invalid or such, give up. */
5036 cursor_glyph
= get_phys_cursor_glyph (w
);
5037 if (cursor_glyph
== NULL
)
5040 /* Compute frame-relative coordinates for phys cursor. */
5041 rect
.left
= WINDOW_TEXT_TO_FRAME_PIXEL_X (w
, w
->phys_cursor
.x
);
5042 rect
.top
= get_phys_cursor_geometry (w
, row
, cursor_glyph
, &h
);
5043 rect
.bottom
= rect
.top
+ h
;
5044 rect
.right
= rect
.left
+ w
->phys_cursor_width
;
5046 hdc
= get_frame_dc (f
);
5047 /* Set clipping, draw the rectangle, and reset clipping again. */
5048 w32_clip_to_row (w
, row
, TEXT_AREA
, hdc
);
5049 FrameRect (hdc
, &rect
, hb
);
5051 w32_set_clip_rectangle (hdc
, NULL
);
5052 release_frame_dc (f
, hdc
);
5056 /* Draw a bar cursor on window W in glyph row ROW.
5058 Implementation note: One would like to draw a bar cursor with an
5059 angle equal to the one given by the font property XA_ITALIC_ANGLE.
5060 Unfortunately, I didn't find a font yet that has this property set.
5064 x_draw_bar_cursor (w
, row
, width
, kind
)
5066 struct glyph_row
*row
;
5068 enum text_cursor_kinds kind
;
5070 struct frame
*f
= XFRAME (w
->frame
);
5071 struct glyph
*cursor_glyph
;
5075 /* If cursor is out of bounds, don't draw garbage. This can happen
5076 in mini-buffer windows when switching between echo area glyphs
5078 cursor_glyph
= get_phys_cursor_glyph (w
);
5079 if (cursor_glyph
== NULL
)
5082 /* If on an image, draw like a normal cursor. That's usually better
5083 visible than drawing a bar, esp. if the image is large so that
5084 the bar might not be in the window. */
5085 if (cursor_glyph
->type
== IMAGE_GLYPH
)
5087 struct glyph_row
*row
;
5088 row
= MATRIX_ROW (w
->current_matrix
, w
->phys_cursor
.vpos
);
5089 draw_phys_cursor_glyph (w
, row
, DRAW_CURSOR
);
5093 COLORREF cursor_color
= f
->output_data
.w32
->cursor_pixel
;
5094 struct face
*face
= FACE_FROM_ID (f
, cursor_glyph
->face_id
);
5096 /* If the glyph's background equals the color we normally draw
5097 the bar cursor in, the bar cursor in its normal color is
5098 invisible. Use the glyph's foreground color instead in this
5099 case, on the assumption that the glyph's colors are chosen so
5100 that the glyph is legible. */
5101 if (face
->background
== cursor_color
)
5102 cursor_color
= face
->foreground
;
5104 x
= WINDOW_TEXT_TO_FRAME_PIXEL_X (w
, w
->phys_cursor
.x
);
5107 width
= FRAME_CURSOR_WIDTH (f
);
5108 width
= min (cursor_glyph
->pixel_width
, width
);
5110 w
->phys_cursor_width
= width
;
5113 hdc
= get_frame_dc (f
);
5114 w32_clip_to_row (w
, row
, TEXT_AREA
, hdc
);
5116 if (kind
== BAR_CURSOR
)
5118 w32_fill_area (f
, hdc
, cursor_color
, x
,
5119 WINDOW_TO_FRAME_PIXEL_Y (w
, w
->phys_cursor
.y
),
5120 width
, row
->height
);
5124 w32_fill_area (f
, hdc
, cursor_color
, x
,
5125 WINDOW_TO_FRAME_PIXEL_Y (w
, w
->phys_cursor
.y
+
5126 row
->height
- width
),
5127 cursor_glyph
->pixel_width
, width
);
5130 w32_set_clip_rectangle (hdc
, NULL
);
5131 release_frame_dc (f
, hdc
);
5136 /* RIF: Define cursor CURSOR on frame F. */
5139 w32_define_frame_cursor (f
, cursor
)
5143 w32_define_cursor (FRAME_W32_WINDOW (f
), cursor
);
5147 /* RIF: Clear area on frame F. */
5150 w32_clear_frame_area (f
, x
, y
, width
, height
)
5152 int x
, y
, width
, height
;
5156 hdc
= get_frame_dc (f
);
5157 w32_clear_area (f
, hdc
, x
, y
, width
, height
);
5158 release_frame_dc (f
, hdc
);
5161 /* RIF: Draw or clear cursor on window W. */
5164 w32_draw_window_cursor (w
, glyph_row
, x
, y
, cursor_type
, cursor_width
, on_p
, active_p
)
5166 struct glyph_row
*glyph_row
;
5168 int cursor_type
, cursor_width
;
5173 /* If the user wants to use the system caret, make sure our own
5174 cursor remains invisible. */
5175 if (w32_use_visible_system_caret
)
5177 /* Call to erase_phys_cursor here seems to use the
5178 wrong values of w->phys_cursor, as they have been
5179 overwritten before this function was called. */
5180 if (w
->phys_cursor_type
!= NO_CURSOR
)
5181 erase_phys_cursor (w
);
5183 cursor_type
= w
->phys_cursor_type
= NO_CURSOR
;
5184 w
->phys_cursor_width
= -1;
5188 w
->phys_cursor_type
= cursor_type
;
5191 w
->phys_cursor_on_p
= 1;
5193 /* If this is the active cursor, we need to track it with the
5194 system caret, so third party software like screen magnifiers
5195 and speech synthesizers can follow the cursor. */
5198 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
5199 HWND hwnd
= FRAME_W32_WINDOW (f
);
5202 = WINDOW_TEXT_TO_FRAME_PIXEL_X (w
, w
->phys_cursor
.x
);
5204 = (WINDOW_TO_FRAME_PIXEL_Y (w
, w
->phys_cursor
.y
)
5205 + glyph_row
->ascent
- w
->phys_cursor_ascent
);
5207 /* If the size of the active cursor changed, destroy the old
5209 if (w32_system_caret_hwnd
5210 && (w32_system_caret_height
!= w
->phys_cursor_height
))
5211 PostMessage (hwnd
, WM_EMACS_DESTROY_CARET
, 0, 0);
5213 w32_system_caret_height
= w
->phys_cursor_height
;
5215 /* Move the system caret. */
5216 PostMessage (hwnd
, WM_EMACS_TRACK_CARET
, 0, 0);
5219 if (glyph_row
->exact_window_width_line_p
5220 && w
->phys_cursor
.hpos
>= glyph_row
->used
[TEXT_AREA
])
5222 glyph_row
->cursor_in_fringe_p
= 1;
5223 draw_fringe_bitmap (w
, glyph_row
, 0);
5227 switch (cursor_type
)
5229 case HOLLOW_BOX_CURSOR
:
5230 x_draw_hollow_cursor (w
, glyph_row
);
5233 case FILLED_BOX_CURSOR
:
5234 draw_phys_cursor_glyph (w
, glyph_row
, DRAW_CURSOR
);
5238 x_draw_bar_cursor (w
, glyph_row
, cursor_width
, BAR_CURSOR
);
5242 x_draw_bar_cursor (w
, glyph_row
, cursor_width
, HBAR_CURSOR
);
5246 w
->phys_cursor_width
= 0;
5260 x_bitmap_icon (f
, icon
)
5266 if (FRAME_W32_WINDOW (f
) == 0)
5270 hicon
= LoadIcon (hinst
, EMACS_CLASS
);
5271 else if (STRINGP (icon
))
5272 hicon
= LoadImage (NULL
, (LPCTSTR
) SDATA (icon
), IMAGE_ICON
, 0, 0,
5273 LR_DEFAULTSIZE
| LR_LOADFROMFILE
);
5274 else if (SYMBOLP (icon
))
5278 if (EQ (icon
, intern ("application")))
5279 name
= (LPCTSTR
) IDI_APPLICATION
;
5280 else if (EQ (icon
, intern ("hand")))
5281 name
= (LPCTSTR
) IDI_HAND
;
5282 else if (EQ (icon
, intern ("question")))
5283 name
= (LPCTSTR
) IDI_QUESTION
;
5284 else if (EQ (icon
, intern ("exclamation")))
5285 name
= (LPCTSTR
) IDI_EXCLAMATION
;
5286 else if (EQ (icon
, intern ("asterisk")))
5287 name
= (LPCTSTR
) IDI_ASTERISK
;
5288 else if (EQ (icon
, intern ("winlogo")))
5289 name
= (LPCTSTR
) IDI_WINLOGO
;
5293 hicon
= LoadIcon (NULL
, name
);
5301 PostMessage (FRAME_W32_WINDOW (f
), WM_SETICON
, (WPARAM
) ICON_BIG
,
5308 /************************************************************************
5310 ************************************************************************/
5312 /* Display Error Handling functions not used on W32. Listing them here
5313 helps diff stay in step when comparing w32term.c with xterm.c.
5315 x_error_catcher (display, error)
5316 x_catch_errors (dpy)
5317 x_catch_errors_unwind (old_val)
5318 x_check_errors (dpy, format)
5319 x_had_errors_p (dpy)
5320 x_clear_errors (dpy)
5321 x_uncatch_errors (dpy, count)
5323 x_connection_signal (signalnum)
5324 x_connection_closed (dpy, error_message)
5325 x_error_quitter (display, error)
5326 x_error_handler (display, error)
5327 x_io_error_quitter (display)
5332 /* Changing the font of the frame. */
5334 /* Give frame F the font named FONTNAME as its default font, and
5335 return the full name of that font. FONTNAME may be a wildcard
5336 pattern; in that case, we choose some font that fits the pattern.
5337 The return value shows which font we chose. */
5340 x_new_font (f
, fontname
)
5342 register char *fontname
;
5344 struct font_info
*fontp
5345 = FS_LOAD_FONT (f
, 0, fontname
, -1);
5350 FRAME_FONT (f
) = (XFontStruct
*) (fontp
->font
);
5351 FRAME_BASELINE_OFFSET (f
) = fontp
->baseline_offset
;
5352 FRAME_FONTSET (f
) = -1;
5354 FRAME_COLUMN_WIDTH (f
) = fontp
->average_width
;
5355 FRAME_SPACE_WIDTH (f
) = fontp
->space_width
;
5356 FRAME_LINE_HEIGHT (f
) = FONT_HEIGHT (FRAME_FONT (f
));
5358 compute_fringe_widths (f
, 1);
5360 /* Compute the scroll bar width in character columns. */
5361 if (FRAME_CONFIG_SCROLL_BAR_WIDTH (f
) > 0)
5363 int wid
= FRAME_COLUMN_WIDTH (f
);
5364 FRAME_CONFIG_SCROLL_BAR_COLS (f
)
5365 = (FRAME_CONFIG_SCROLL_BAR_WIDTH (f
) + wid
-1) / wid
;
5369 int wid
= FRAME_COLUMN_WIDTH (f
);
5370 FRAME_CONFIG_SCROLL_BAR_COLS (f
) = (14 + wid
- 1) / wid
;
5373 /* Now make the frame display the given font. */
5374 if (FRAME_W32_WINDOW (f
) != 0)
5376 if (NILP (tip_frame
) || XFRAME (tip_frame
) != f
)
5377 x_set_window_size (f
, 0, FRAME_COLS (f
), FRAME_LINES (f
));
5380 return build_string (fontp
->full_name
);
5383 /* Give frame F the fontset named FONTSETNAME as its default font, and
5384 return the full name of that fontset. FONTSETNAME may be a wildcard
5385 pattern; in that case, we choose some fontset that fits the pattern.
5386 The return value shows which fontset we chose. */
5389 x_new_fontset (f
, fontsetname
)
5393 int fontset
= fs_query_fontset (build_string (fontsetname
), 0);
5399 if (FRAME_FONTSET (f
) == fontset
)
5400 /* This fontset is already set in frame F. There's nothing more
5402 return fontset_name (fontset
);
5404 result
= x_new_font (f
, (SDATA (fontset_ascii (fontset
))));
5406 if (!STRINGP (result
))
5407 /* Can't load ASCII font. */
5410 /* Since x_new_font doesn't update any fontset information, do it now. */
5411 FRAME_FONTSET(f
) = fontset
;
5413 return build_string (fontsetname
);
5417 /***********************************************************************
5418 TODO: W32 Input Methods
5419 ***********************************************************************/
5420 /* Listing missing functions from xterm.c helps diff stay in step.
5422 xim_destroy_callback (xim, client_data, call_data)
5423 xim_open_dpy (dpyinfo, resource_name)
5425 xim_instantiate_callback (display, client_data, call_data)
5426 xim_initialize (dpyinfo, resource_name)
5427 xim_close_dpy (dpyinfo)
5432 /* Calculate the absolute position in frame F
5433 from its current recorded position values and gravity. */
5436 x_calc_absolute_position (f
)
5439 int flags
= f
->size_hint_flags
;
5441 /* Treat negative positions as relative to the leftmost bottommost
5442 position that fits on the screen. */
5443 if (flags
& XNegative
)
5444 f
->left_pos
= (FRAME_W32_DISPLAY_INFO (f
)->width
5445 - FRAME_PIXEL_WIDTH (f
)
5448 if (flags
& YNegative
)
5449 f
->top_pos
= (FRAME_W32_DISPLAY_INFO (f
)->height
5450 - FRAME_PIXEL_HEIGHT (f
)
5452 /* The left_pos and top_pos
5453 are now relative to the top and left screen edges,
5454 so the flags should correspond. */
5455 f
->size_hint_flags
&= ~ (XNegative
| YNegative
);
5458 /* CHANGE_GRAVITY is 1 when calling from Fset_frame_position,
5459 to really change the position, and 0 when calling from
5460 x_make_frame_visible (in that case, XOFF and YOFF are the current
5461 position values). It is -1 when calling from x_set_frame_parameters,
5462 which means, do adjust for borders but don't change the gravity. */
5465 x_set_offset (f
, xoff
, yoff
, change_gravity
)
5467 register int xoff
, yoff
;
5470 int modified_top
, modified_left
;
5472 if (change_gravity
> 0)
5476 f
->size_hint_flags
&= ~ (XNegative
| YNegative
);
5478 f
->size_hint_flags
|= XNegative
;
5480 f
->size_hint_flags
|= YNegative
;
5481 f
->win_gravity
= NorthWestGravity
;
5483 x_calc_absolute_position (f
);
5486 x_wm_set_size_hint (f
, (long) 0, 0);
5488 modified_left
= f
->left_pos
;
5489 modified_top
= f
->top_pos
;
5491 my_set_window_pos (FRAME_W32_WINDOW (f
),
5493 modified_left
, modified_top
,
5495 SWP_NOZORDER
| SWP_NOSIZE
| SWP_NOACTIVATE
);
5500 /* Check if we need to resize the frame due to a fullscreen request.
5501 If so needed, resize the frame. */
5503 x_check_fullscreen (f
)
5506 if (f
->want_fullscreen
& FULLSCREEN_BOTH
)
5508 int width
, height
, ign
;
5510 x_real_positions (f
, &f
->left_pos
, &f
->top_pos
);
5512 x_fullscreen_adjust (f
, &width
, &height
, &ign
, &ign
);
5514 /* We do not need to move the window, it shall be taken care of
5515 when setting WM manager hints. */
5516 if (FRAME_COLS (f
) != width
|| FRAME_LINES (f
) != height
)
5518 change_frame_size (f
, height
, width
, 0, 1, 0);
5519 SET_FRAME_GARBAGED (f
);
5520 cancel_mouse_face (f
);
5522 /* Wait for the change of frame size to occur */
5523 f
->want_fullscreen
|= FULLSCREEN_WAIT
;
5528 /* Call this to change the size of frame F's x-window.
5529 If CHANGE_GRAVITY is 1, we change to top-left-corner window gravity
5530 for this size change and subsequent size changes.
5531 Otherwise we leave the window gravity unchanged. */
5534 x_set_window_size (f
, change_gravity
, cols
, rows
)
5539 int pixelwidth
, pixelheight
;
5543 check_frame_size (f
, &rows
, &cols
);
5544 f
->scroll_bar_actual_width
5545 = FRAME_SCROLL_BAR_COLS (f
) * FRAME_COLUMN_WIDTH (f
);
5547 compute_fringe_widths (f
, 0);
5549 pixelwidth
= FRAME_TEXT_COLS_TO_PIXEL_WIDTH (f
, cols
);
5550 pixelheight
= FRAME_TEXT_LINES_TO_PIXEL_HEIGHT (f
, rows
);
5552 f
->win_gravity
= NorthWestGravity
;
5553 x_wm_set_size_hint (f
, (long) 0, 0);
5558 rect
.left
= rect
.top
= 0;
5559 rect
.right
= pixelwidth
;
5560 rect
.bottom
= pixelheight
;
5562 AdjustWindowRect(&rect
, f
->output_data
.w32
->dwStyle
,
5563 FRAME_EXTERNAL_MENU_BAR (f
));
5565 my_set_window_pos (FRAME_W32_WINDOW (f
),
5568 rect
.right
- rect
.left
,
5569 rect
.bottom
- rect
.top
,
5570 SWP_NOZORDER
| SWP_NOMOVE
| SWP_NOACTIVATE
);
5573 /* Now, strictly speaking, we can't be sure that this is accurate,
5574 but the window manager will get around to dealing with the size
5575 change request eventually, and we'll hear how it went when the
5576 ConfigureNotify event gets here.
5578 We could just not bother storing any of this information here,
5579 and let the ConfigureNotify event set everything up, but that
5580 might be kind of confusing to the Lisp code, since size changes
5581 wouldn't be reported in the frame parameters until some random
5582 point in the future when the ConfigureNotify event arrives.
5584 We pass 1 for DELAY since we can't run Lisp code inside of
5586 change_frame_size (f
, rows
, cols
, 0, 1, 0);
5587 FRAME_PIXEL_WIDTH (f
) = pixelwidth
;
5588 FRAME_PIXEL_HEIGHT (f
) = pixelheight
;
5590 /* We've set {FRAME,PIXEL}_{WIDTH,HEIGHT} to the values we hope to
5591 receive in the ConfigureNotify event; if we get what we asked
5592 for, then the event won't cause the screen to become garbaged, so
5593 we have to make sure to do it here. */
5594 SET_FRAME_GARBAGED (f
);
5596 /* If cursor was outside the new size, mark it as off. */
5597 mark_window_cursors_off (XWINDOW (f
->root_window
));
5599 /* Clear out any recollection of where the mouse highlighting was,
5600 since it might be in a place that's outside the new frame size.
5601 Actually checking whether it is outside is a pain in the neck,
5602 so don't try--just let the highlighting be done afresh with new size. */
5603 cancel_mouse_face (f
);
5608 /* Mouse warping. */
5610 void x_set_mouse_pixel_position (struct frame
*f
, int pix_x
, int pix_y
);
5613 x_set_mouse_position (f
, x
, y
)
5619 pix_x
= FRAME_COL_TO_PIXEL_X (f
, x
) + FRAME_COLUMN_WIDTH (f
) / 2;
5620 pix_y
= FRAME_LINE_TO_PIXEL_Y (f
, y
) + FRAME_LINE_HEIGHT (f
) / 2;
5622 if (pix_x
< 0) pix_x
= 0;
5623 if (pix_x
> FRAME_PIXEL_WIDTH (f
)) pix_x
= FRAME_PIXEL_WIDTH (f
);
5625 if (pix_y
< 0) pix_y
= 0;
5626 if (pix_y
> FRAME_PIXEL_HEIGHT (f
)) pix_y
= FRAME_PIXEL_HEIGHT (f
);
5628 x_set_mouse_pixel_position (f
, pix_x
, pix_y
);
5632 x_set_mouse_pixel_position (f
, pix_x
, pix_y
)
5641 GetClientRect (FRAME_W32_WINDOW (f
), &rect
);
5642 pt
.x
= rect
.left
+ pix_x
;
5643 pt
.y
= rect
.top
+ pix_y
;
5644 ClientToScreen (FRAME_W32_WINDOW (f
), &pt
);
5646 SetCursorPos (pt
.x
, pt
.y
);
5652 /* focus shifting, raising and lowering. */
5655 x_focus_on_frame (f
)
5658 struct w32_display_info
*dpyinfo
= &one_w32_display_info
;
5660 /* Give input focus to frame. */
5663 /* Try not to change its Z-order if possible. */
5664 if (x_window_to_frame (dpyinfo
, GetForegroundWindow ()))
5665 my_set_focus (f
, FRAME_W32_WINDOW (f
));
5668 my_set_foreground_window (FRAME_W32_WINDOW (f
));
5678 /* Raise frame F. */
5685 /* Strictly speaking, raise-frame should only change the frame's Z
5686 order, leaving input focus unchanged. This is reasonable behaviour
5687 on X where the usual policy is point-to-focus. However, this
5688 behaviour would be very odd on Windows where the usual policy is
5691 On X, if the mouse happens to be over the raised frame, it gets
5692 input focus anyway (so the window with focus will never be
5693 completely obscured) - if not, then just moving the mouse over it
5694 is sufficient to give it focus. On Windows, the user must actually
5695 click on the frame (preferrably the title bar so as not to move
5696 point), which is more awkward. Also, no other Windows program
5697 raises a window to the top but leaves another window (possibly now
5698 completely obscured) with input focus.
5700 Because there is a system setting on Windows that allows the user
5701 to choose the point to focus policy, we make the strict semantics
5702 optional, but by default we grab focus when raising. */
5704 if (NILP (Vw32_grab_focus_on_raise
))
5706 /* The obvious call to my_set_window_pos doesn't work if Emacs is
5707 not already the foreground application: the frame is raised
5708 above all other frames belonging to us, but not above the
5709 current top window. To achieve that, we have to resort to this
5710 more cumbersome method. */
5712 HDWP handle
= BeginDeferWindowPos (2);
5715 DeferWindowPos (handle
,
5716 FRAME_W32_WINDOW (f
),
5719 SWP_NOSIZE
| SWP_NOMOVE
| SWP_NOACTIVATE
);
5721 DeferWindowPos (handle
,
5722 GetForegroundWindow (),
5723 FRAME_W32_WINDOW (f
),
5725 SWP_NOSIZE
| SWP_NOMOVE
| SWP_NOACTIVATE
);
5727 EndDeferWindowPos (handle
);
5732 my_set_foreground_window (FRAME_W32_WINDOW (f
));
5738 /* Lower frame F. */
5744 my_set_window_pos (FRAME_W32_WINDOW (f
),
5747 SWP_NOSIZE
| SWP_NOMOVE
| SWP_NOACTIVATE
);
5752 w32_frame_raise_lower (f
, raise_flag
)
5756 if (! FRAME_W32_P (f
))
5765 /* Change of visibility. */
5767 /* This tries to wait until the frame is really visible.
5768 However, if the window manager asks the user where to position
5769 the frame, this will return before the user finishes doing that.
5770 The frame will not actually be visible at that time,
5771 but it will become visible later when the window manager
5772 finishes with it. */
5775 x_make_frame_visible (f
)
5782 type
= x_icon_type (f
);
5784 x_bitmap_icon (f
, type
);
5786 if (! FRAME_VISIBLE_P (f
))
5788 /* We test FRAME_GARBAGED_P here to make sure we don't
5789 call x_set_offset a second time
5790 if we get to x_make_frame_visible a second time
5791 before the window gets really visible. */
5792 if (! FRAME_ICONIFIED_P (f
)
5793 && ! f
->output_data
.w32
->asked_for_visible
)
5794 x_set_offset (f
, f
->left_pos
, f
->top_pos
, 0);
5796 f
->output_data
.w32
->asked_for_visible
= 1;
5798 /* my_show_window (f, FRAME_W32_WINDOW (f), f->async_iconified ? SW_RESTORE : SW_SHOW); */
5799 my_show_window (f
, FRAME_W32_WINDOW (f
), SW_SHOWNORMAL
);
5802 /* Synchronize to ensure Emacs knows the frame is visible
5803 before we do anything else. We do this loop with input not blocked
5804 so that incoming events are handled. */
5809 /* This must come after we set COUNT. */
5812 XSETFRAME (frame
, f
);
5814 /* Wait until the frame is visible. Process X events until a
5815 MapNotify event has been seen, or until we think we won't get a
5816 MapNotify at all.. */
5817 for (count
= input_signal_count
+ 10;
5818 input_signal_count
< count
&& !FRAME_VISIBLE_P (f
);)
5820 /* Force processing of queued events. */
5821 /* TODO: x_sync equivalent? */
5823 /* Machines that do polling rather than SIGIO have been observed
5824 to go into a busy-wait here. So we'll fake an alarm signal
5825 to let the handler know that there's something to be read.
5826 We used to raise a real alarm, but it seems that the handler
5827 isn't always enabled here. This is probably a bug. */
5828 if (input_polling_used ())
5830 /* It could be confusing if a real alarm arrives while processing
5831 the fake one. Turn it off and let the handler reset it. */
5832 int old_poll_suppress_count
= poll_suppress_count
;
5833 poll_suppress_count
= 1;
5834 poll_for_input_1 ();
5835 poll_suppress_count
= old_poll_suppress_count
;
5838 FRAME_SAMPLE_VISIBILITY (f
);
5842 /* Change from mapped state to withdrawn state. */
5844 /* Make the frame visible (mapped and not iconified). */
5846 x_make_frame_invisible (f
)
5849 /* Don't keep the highlight on an invisible frame. */
5850 if (FRAME_W32_DISPLAY_INFO (f
)->x_highlight_frame
== f
)
5851 FRAME_W32_DISPLAY_INFO (f
)->x_highlight_frame
= 0;
5855 my_show_window (f
, FRAME_W32_WINDOW (f
), SW_HIDE
);
5857 /* We can't distinguish this from iconification
5858 just by the event that we get from the server.
5859 So we can't win using the usual strategy of letting
5860 FRAME_SAMPLE_VISIBILITY set this. So do it by hand,
5861 and synchronize with the server to make sure we agree. */
5863 FRAME_ICONIFIED_P (f
) = 0;
5864 f
->async_visible
= 0;
5865 f
->async_iconified
= 0;
5870 /* Change window state from mapped to iconified. */
5878 /* Don't keep the highlight on an invisible frame. */
5879 if (FRAME_W32_DISPLAY_INFO (f
)->x_highlight_frame
== f
)
5880 FRAME_W32_DISPLAY_INFO (f
)->x_highlight_frame
= 0;
5882 if (f
->async_iconified
)
5887 type
= x_icon_type (f
);
5889 x_bitmap_icon (f
, type
);
5891 /* Simulate the user minimizing the frame. */
5892 SendMessage (FRAME_W32_WINDOW (f
), WM_SYSCOMMAND
, SC_MINIMIZE
, 0);
5898 /* Free X resources of frame F. */
5901 x_free_frame_resources (f
)
5904 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
5908 if (FRAME_W32_WINDOW (f
))
5909 my_destroy_window (f
, FRAME_W32_WINDOW (f
));
5911 free_frame_menubar (f
);
5913 unload_color (f
, f
->output_data
.x
->foreground_pixel
);
5914 unload_color (f
, f
->output_data
.x
->background_pixel
);
5915 unload_color (f
, f
->output_data
.w32
->cursor_pixel
);
5916 unload_color (f
, f
->output_data
.w32
->cursor_foreground_pixel
);
5917 unload_color (f
, f
->output_data
.w32
->border_pixel
);
5918 unload_color (f
, f
->output_data
.w32
->mouse_pixel
);
5919 if (f
->output_data
.w32
->white_relief
.allocated_p
)
5920 unload_color (f
, f
->output_data
.w32
->white_relief
.pixel
);
5921 if (f
->output_data
.w32
->black_relief
.allocated_p
)
5922 unload_color (f
, f
->output_data
.w32
->black_relief
.pixel
);
5924 if (FRAME_FACE_CACHE (f
))
5925 free_frame_faces (f
);
5927 xfree (f
->output_data
.w32
);
5928 f
->output_data
.w32
= NULL
;
5930 if (f
== dpyinfo
->w32_focus_frame
)
5931 dpyinfo
->w32_focus_frame
= 0;
5932 if (f
== dpyinfo
->w32_focus_event_frame
)
5933 dpyinfo
->w32_focus_event_frame
= 0;
5934 if (f
== dpyinfo
->x_highlight_frame
)
5935 dpyinfo
->x_highlight_frame
= 0;
5937 if (f
== dpyinfo
->mouse_face_mouse_frame
)
5939 dpyinfo
->mouse_face_beg_row
5940 = dpyinfo
->mouse_face_beg_col
= -1;
5941 dpyinfo
->mouse_face_end_row
5942 = dpyinfo
->mouse_face_end_col
= -1;
5943 dpyinfo
->mouse_face_window
= Qnil
;
5944 dpyinfo
->mouse_face_deferred_gc
= 0;
5945 dpyinfo
->mouse_face_mouse_frame
= 0;
5952 /* Destroy the window of frame F. */
5954 x_destroy_window (f
)
5957 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
5959 x_free_frame_resources (f
);
5961 dpyinfo
->reference_count
--;
5965 /* Setting window manager hints. */
5967 /* Set the normal size hints for the window manager, for frame F.
5968 FLAGS is the flags word to use--or 0 meaning preserve the flags
5969 that the window now has.
5970 If USER_POSITION is nonzero, we set the USPosition
5971 flag (this is useful when FLAGS is 0). */
5973 x_wm_set_size_hint (f
, flags
, user_position
)
5978 Window window
= FRAME_W32_WINDOW (f
);
5982 SetWindowLong (window
, WND_FONTWIDTH_INDEX
, FRAME_COLUMN_WIDTH (f
));
5983 SetWindowLong (window
, WND_LINEHEIGHT_INDEX
, FRAME_LINE_HEIGHT (f
));
5984 SetWindowLong (window
, WND_BORDER_INDEX
, FRAME_INTERNAL_BORDER_WIDTH (f
));
5985 SetWindowLong (window
, WND_SCROLLBAR_INDEX
, f
->scroll_bar_actual_width
);
5990 /* Window manager things */
5992 x_wm_set_icon_position (f
, icon_x
, icon_y
)
5997 Window window
= FRAME_W32_WINDOW (f
);
5999 f
->display
.x
->wm_hints
.flags
|= IconPositionHint
;
6000 f
->display
.x
->wm_hints
.icon_x
= icon_x
;
6001 f
->display
.x
->wm_hints
.icon_y
= icon_y
;
6003 XSetWMHints (FRAME_X_DISPLAY (f
), window
, &f
->display
.x
->wm_hints
);
6008 /***********************************************************************
6010 ***********************************************************************/
6012 /* The following functions are listed here to help diff stay in step
6013 with xterm.c. See w32fns.c for definitions.
6015 x_get_font_info (f, font_idx)
6016 x_list_fonts (f, pattern, size, maxnames)
6022 /* Check that FONT is valid on frame F. It is if it can be found in F's
6026 x_check_font (f
, font
)
6031 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
6033 xassert (font
!= NULL
);
6035 for (i
= 0; i
< dpyinfo
->n_fonts
; i
++)
6036 if (dpyinfo
->font_table
[i
].name
6037 && font
== dpyinfo
->font_table
[i
].font
)
6040 xassert (i
< dpyinfo
->n_fonts
);
6043 #endif /* GLYPH_DEBUG != 0 */
6045 /* Set *W to the minimum width, *H to the minimum font height of FONT.
6046 Note: There are (broken) X fonts out there with invalid XFontStruct
6047 min_bounds contents. For example, handa@etl.go.jp reports that
6048 "-adobe-courier-medium-r-normal--*-180-*-*-m-*-iso8859-1" fonts
6049 have font->min_bounds.width == 0. */
6052 x_font_min_bounds (font
, w
, h
)
6057 * TODO: Windows does not appear to offer min bound, only
6058 * average and maximum width, and maximum height.
6060 *h
= FONT_HEIGHT (font
);
6061 *w
= FONT_WIDTH (font
);
6065 /* Compute the smallest character width and smallest font height over
6066 all fonts available on frame F. Set the members smallest_char_width
6067 and smallest_font_height in F's x_display_info structure to
6068 the values computed. Value is non-zero if smallest_font_height or
6069 smallest_char_width become smaller than they were before. */
6072 x_compute_min_glyph_bounds (f
)
6076 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
6078 int old_width
= dpyinfo
->smallest_char_width
;
6079 int old_height
= dpyinfo
->smallest_font_height
;
6081 dpyinfo
->smallest_font_height
= 100000;
6082 dpyinfo
->smallest_char_width
= 100000;
6084 for (i
= 0; i
< dpyinfo
->n_fonts
; ++i
)
6085 if (dpyinfo
->font_table
[i
].name
)
6087 struct font_info
*fontp
= dpyinfo
->font_table
+ i
;
6090 font
= (XFontStruct
*) fontp
->font
;
6091 xassert (font
!= (XFontStruct
*) ~0);
6092 x_font_min_bounds (font
, &w
, &h
);
6094 dpyinfo
->smallest_font_height
= min (dpyinfo
->smallest_font_height
, h
);
6095 dpyinfo
->smallest_char_width
= min (dpyinfo
->smallest_char_width
, w
);
6098 xassert (dpyinfo
->smallest_char_width
> 0
6099 && dpyinfo
->smallest_font_height
> 0);
6101 return (dpyinfo
->n_fonts
== 1
6102 || dpyinfo
->smallest_char_width
< old_width
6103 || dpyinfo
->smallest_font_height
< old_height
);
6106 /* The following functions are listed here to help diff stay in step
6107 with xterm.c. See w32fns.c for definitions.
6109 x_load_font (f, fontname, size)
6110 x_query_font (f, fontname)
6111 x_find_ccl_program (fontp)
6115 /***********************************************************************
6117 ***********************************************************************/
6119 static int w32_initialized
= 0;
6122 w32_initialize_display_info (display_name
)
6123 Lisp_Object display_name
;
6125 struct w32_display_info
*dpyinfo
= &one_w32_display_info
;
6127 bzero (dpyinfo
, sizeof (*dpyinfo
));
6129 /* Put it on w32_display_name_list. */
6130 w32_display_name_list
= Fcons (Fcons (display_name
, Qnil
),
6131 w32_display_name_list
);
6132 dpyinfo
->name_list_element
= XCAR (w32_display_name_list
);
6134 dpyinfo
->w32_id_name
6135 = (char *) xmalloc (SCHARS (Vinvocation_name
)
6136 + SCHARS (Vsystem_name
)
6138 sprintf (dpyinfo
->w32_id_name
, "%s@%s",
6139 SDATA (Vinvocation_name
), SDATA (Vsystem_name
));
6141 /* Default Console mode values - overridden when running in GUI mode
6142 with values obtained from system metrics. */
6145 dpyinfo
->height_in
= 1;
6146 dpyinfo
->width_in
= 1;
6147 dpyinfo
->n_planes
= 1;
6148 dpyinfo
->n_cbits
= 4;
6149 dpyinfo
->n_fonts
= 0;
6150 dpyinfo
->smallest_font_height
= 1;
6151 dpyinfo
->smallest_char_width
= 1;
6153 dpyinfo
->mouse_face_beg_row
= dpyinfo
->mouse_face_beg_col
= -1;
6154 dpyinfo
->mouse_face_end_row
= dpyinfo
->mouse_face_end_col
= -1;
6155 dpyinfo
->mouse_face_face_id
= DEFAULT_FACE_ID
;
6156 dpyinfo
->mouse_face_window
= Qnil
;
6157 dpyinfo
->mouse_face_overlay
= Qnil
;
6158 dpyinfo
->mouse_face_hidden
= 0;
6160 dpyinfo
->vertical_scroll_bar_cursor
= w32_load_cursor (IDC_ARROW
);
6161 /* TODO: dpyinfo->gray */
6165 /* Create an xrdb-style database of resources to supercede registry settings.
6166 The database is just a concatenation of C strings, finished by an additional
6167 \0. The string are submitted to some basic normalization, so
6169 [ *]option[ *]:[ *]value...
6175 but any whitespace following value is not removed. */
6178 w32_make_rdb (xrm_option
)
6181 char *buffer
= xmalloc (strlen (xrm_option
) + 2);
6182 char *current
= buffer
;
6185 int before_value
= 0;
6199 if (in_option
&& (ch
== ':'))
6204 else if (before_value
)
6209 else if (!(in_option
|| before_value
))
6220 struct w32_display_info
*
6221 w32_term_init (display_name
, xrm_option
, resource_name
)
6222 Lisp_Object display_name
;
6224 char *resource_name
;
6226 struct w32_display_info
*dpyinfo
;
6231 if (!w32_initialized
)
6234 w32_initialized
= 1;
6237 w32_initialize_display_info (display_name
);
6239 dpyinfo
= &one_w32_display_info
;
6241 dpyinfo
->xrdb
= xrm_option
? w32_make_rdb (xrm_option
) : NULL
;
6243 /* Put this display on the chain. */
6244 dpyinfo
->next
= x_display_list
;
6245 x_display_list
= dpyinfo
;
6247 hdc
= GetDC (GetDesktopWindow ());
6249 dpyinfo
->height
= GetDeviceCaps (hdc
, VERTRES
);
6250 dpyinfo
->width
= GetDeviceCaps (hdc
, HORZRES
);
6251 dpyinfo
->root_window
= GetDesktopWindow ();
6252 dpyinfo
->n_planes
= GetDeviceCaps (hdc
, PLANES
);
6253 dpyinfo
->n_cbits
= GetDeviceCaps (hdc
, BITSPIXEL
);
6254 dpyinfo
->resx
= GetDeviceCaps (hdc
, LOGPIXELSX
);
6255 dpyinfo
->resy
= GetDeviceCaps (hdc
, LOGPIXELSY
);
6256 dpyinfo
->has_palette
= GetDeviceCaps (hdc
, RASTERCAPS
) & RC_PALETTE
;
6257 dpyinfo
->image_cache
= make_image_cache ();
6258 dpyinfo
->height_in
= dpyinfo
->height
/ dpyinfo
->resx
;
6259 dpyinfo
->width_in
= dpyinfo
->width
/ dpyinfo
->resy
;
6260 ReleaseDC (GetDesktopWindow (), hdc
);
6262 /* initialise palette with white and black */
6265 w32_defined_color (0, "white", &color
, 1);
6266 w32_defined_color (0, "black", &color
, 1);
6269 /* Create Fringe Bitmaps and store them for later use.
6271 On W32, bitmaps are all unsigned short, as Windows requires
6272 bitmap data to be Word aligned. For some reason they are
6273 horizontally reflected compared to how they appear on X, so we
6274 need to bitswap and convert to unsigned shorts before creating
6278 #ifndef F_SETOWN_BUG
6280 #ifdef F_SETOWN_SOCK_NEG
6281 /* stdin is a socket here */
6282 fcntl (connection
, F_SETOWN
, -getpid ());
6283 #else /* ! defined (F_SETOWN_SOCK_NEG) */
6284 fcntl (connection
, F_SETOWN
, getpid ());
6285 #endif /* ! defined (F_SETOWN_SOCK_NEG) */
6286 #endif /* ! defined (F_SETOWN) */
6287 #endif /* F_SETOWN_BUG */
6290 if (interrupt_input
)
6291 init_sigio (connection
);
6292 #endif /* ! defined (SIGIO) */
6299 /* Get rid of display DPYINFO, assuming all frames are already gone. */
6302 x_delete_display (dpyinfo
)
6303 struct w32_display_info
*dpyinfo
;
6305 /* Discard this display from w32_display_name_list and w32_display_list.
6306 We can't use Fdelq because that can quit. */
6307 if (! NILP (w32_display_name_list
)
6308 && EQ (XCAR (w32_display_name_list
), dpyinfo
->name_list_element
))
6309 w32_display_name_list
= XCDR (w32_display_name_list
);
6314 tail
= w32_display_name_list
;
6315 while (CONSP (tail
) && CONSP (XCDR (tail
)))
6317 if (EQ (XCAR (XCDR (tail
)), dpyinfo
->name_list_element
))
6319 XSETCDR (tail
, XCDR (XCDR (tail
)));
6326 /* free palette table */
6328 struct w32_palette_entry
* plist
;
6330 plist
= dpyinfo
->color_list
;
6333 struct w32_palette_entry
* pentry
= plist
;
6334 plist
= plist
->next
;
6337 dpyinfo
->color_list
= NULL
;
6338 if (dpyinfo
->palette
)
6339 DeleteObject(dpyinfo
->palette
);
6341 xfree (dpyinfo
->font_table
);
6342 xfree (dpyinfo
->w32_id_name
);
6344 w32_reset_fringes ();
6347 /* Set up use of W32. */
6349 DWORD
w32_msg_worker ();
6352 x_flush (struct frame
* f
)
6353 { /* Nothing to do */ }
6355 extern frame_parm_handler w32_frame_parm_handlers
[];
6357 static struct redisplay_interface w32_redisplay_interface
=
6359 w32_frame_parm_handlers
,
6363 x_clear_end_of_line
,
6365 x_after_update_window_line
,
6366 x_update_window_begin
,
6367 x_update_window_end
,
6370 0, /* flush_display_optional */
6371 x_clear_window_mouse_face
,
6372 w32_get_glyph_overhangs
,
6373 x_fix_overlapping_area
,
6374 w32_draw_fringe_bitmap
,
6375 w32_define_fringe_bitmap
,
6376 w32_destroy_fringe_bitmap
,
6377 w32_per_char_metric
,
6379 NULL
, /* w32_compute_glyph_string_overhangs */
6380 x_draw_glyph_string
,
6381 w32_define_frame_cursor
,
6382 w32_clear_frame_area
,
6383 w32_draw_window_cursor
,
6384 w32_draw_vertical_window_border
,
6385 w32_shift_glyphs_for_insert
6391 rif
= &w32_redisplay_interface
;
6393 /* MSVC does not type K&R functions with no arguments correctly, and
6394 so we must explicitly cast them. */
6395 clear_frame_hook
= (void (*)(void)) x_clear_frame
;
6396 ring_bell_hook
= (void (*)(void)) w32_ring_bell
;
6397 update_begin_hook
= x_update_begin
;
6398 update_end_hook
= x_update_end
;
6400 read_socket_hook
= w32_read_socket
;
6402 frame_up_to_date_hook
= w32_frame_up_to_date
;
6404 mouse_position_hook
= w32_mouse_position
;
6405 frame_rehighlight_hook
= w32_frame_rehighlight
;
6406 frame_raise_lower_hook
= w32_frame_raise_lower
;
6407 set_vertical_scroll_bar_hook
= w32_set_vertical_scroll_bar
;
6408 condemn_scroll_bars_hook
= w32_condemn_scroll_bars
;
6409 redeem_scroll_bar_hook
= w32_redeem_scroll_bar
;
6410 judge_scroll_bars_hook
= w32_judge_scroll_bars
;
6412 scroll_region_ok
= 1; /* we'll scroll partial frames */
6413 char_ins_del_ok
= 1;
6414 line_ins_del_ok
= 1; /* we'll just blt 'em */
6415 fast_clear_end_of_line
= 1; /* X does this well */
6416 memory_below_frame
= 0; /* we don't remember what scrolls
6420 w32_system_caret_hwnd
= NULL
;
6421 w32_system_caret_height
= 0;
6422 w32_system_caret_x
= 0;
6423 w32_system_caret_y
= 0;
6425 /* Initialize w32_use_visible_system_caret based on whether a screen
6426 reader is in use. */
6427 if (!SystemParametersInfo (SPI_GETSCREENREADER
, 0,
6428 &w32_use_visible_system_caret
, 0))
6429 w32_use_visible_system_caret
= 0;
6431 last_tool_bar_item
= -1;
6432 any_help_event_p
= 0;
6434 /* Initialize input mode: interrupt_input off, no flow control, allow
6435 8 bit character input, standard quit char. */
6436 Fset_input_mode (Qnil
, Qnil
, make_number (2), Qnil
);
6438 /* Create the window thread - it will terminate itself or when the app terminates */
6442 dwMainThreadId
= GetCurrentThreadId ();
6443 DuplicateHandle (GetCurrentProcess (), GetCurrentThread (),
6444 GetCurrentProcess (), &hMainThread
, 0, TRUE
, DUPLICATE_SAME_ACCESS
);
6446 /* Wait for thread to start */
6451 PeekMessage (&msg
, NULL
, 0, 0, PM_NOREMOVE
);
6453 hWindowsThread
= CreateThread (NULL
, 0,
6454 (LPTHREAD_START_ROUTINE
) w32_msg_worker
,
6455 0, 0, &dwWindowsThreadId
);
6457 GetMessage (&msg
, NULL
, WM_EMACS_DONE
, WM_EMACS_DONE
);
6460 /* It is desirable that mainThread should have the same notion of
6461 focus window and active window as windowsThread. Unfortunately, the
6462 following call to AttachThreadInput, which should do precisely what
6463 we need, causes major problems when Emacs is linked as a console
6464 program. Unfortunately, we have good reasons for doing that, so
6465 instead we need to send messages to windowsThread to make some API
6466 calls for us (ones that affect, or depend on, the active/focus
6468 #ifdef ATTACH_THREADS
6469 AttachThreadInput (dwMainThreadId
, dwWindowsThreadId
, TRUE
);
6472 /* Dynamically link to optional system components. */
6474 HANDLE user_lib
= LoadLibrary ("user32.dll");
6475 UINT smoothing_type
;
6476 BOOL smoothing_enabled
;
6478 #define LOAD_PROC(fn) pfn##fn = (void *) GetProcAddress (user_lib, #fn)
6480 /* New proportional scroll bar functions. */
6481 LOAD_PROC (SetScrollInfo
);
6482 LOAD_PROC (GetScrollInfo
);
6486 FreeLibrary (user_lib
);
6488 /* If using proportional scroll bars, ensure handle is at least 5 pixels;
6489 otherwise use the fixed height. */
6490 vertical_scroll_bar_min_handle
= (pfnSetScrollInfo
!= NULL
) ? 5 :
6491 GetSystemMetrics (SM_CYVTHUMB
);
6493 /* For either kind of scroll bar, take account of the arrows; these
6494 effectively form the border of the main scroll bar range. */
6495 vertical_scroll_bar_top_border
= vertical_scroll_bar_bottom_border
6496 = GetSystemMetrics (SM_CYVSCROLL
);
6498 /* Constants that are not always defined by the system headers
6499 since they only exist on certain versions of Windows. */
6500 #ifndef SPI_GETFONTSMOOTHING
6501 #define SPI_GETFONTSMOOTHING 0x4A
6503 #ifndef SPI_GETFONTSMOOTHINGTYPE
6504 #define SPI_GETFONTSMOOTHINGTYPE 0x0200A
6506 #ifndef FE_FONTSMOOTHINGCLEARTYPE
6507 #define FE_FONTSMOOTHINGCLEARTYPE 0x2
6510 /* Determine if Cleartype is in use. Used to enable a hack in
6511 the char metric calculations which adds extra pixels to
6512 compensate for the "sub-pixels" that are not counted by the
6515 SystemParametersInfo (SPI_GETFONTSMOOTHING
, 0, &smoothing_enabled
, 0)
6516 && smoothing_enabled
6517 && SystemParametersInfo (SPI_GETFONTSMOOTHINGTYPE
, 0, &smoothing_type
, 0)
6518 && smoothing_type
== FE_FONTSMOOTHINGCLEARTYPE
;
6525 staticpro (&w32_display_name_list
);
6526 w32_display_name_list
= Qnil
;
6528 staticpro (&last_mouse_scroll_bar
);
6529 last_mouse_scroll_bar
= Qnil
;
6531 staticpro (&Qvendor_specific_keysyms
);
6532 Qvendor_specific_keysyms
= intern ("vendor-specific-keysyms");
6534 DEFVAR_INT ("w32-num-mouse-buttons",
6535 &w32_num_mouse_buttons
,
6536 doc
: /* Number of physical mouse buttons. */);
6537 w32_num_mouse_buttons
= 2;
6539 DEFVAR_LISP ("w32-swap-mouse-buttons",
6540 &Vw32_swap_mouse_buttons
,
6541 doc
: /* Swap the mapping of middle and right mouse buttons.
6542 When nil, middle button is mouse-2 and right button is mouse-3. */);
6543 Vw32_swap_mouse_buttons
= Qnil
;
6545 DEFVAR_LISP ("w32-grab-focus-on-raise",
6546 &Vw32_grab_focus_on_raise
,
6547 doc
: /* Raised frame grabs input focus.
6548 When t, `raise-frame' grabs input focus as well. This fits well
6549 with the normal Windows click-to-focus policy, but might not be
6550 desirable when using a point-to-focus policy. */);
6551 Vw32_grab_focus_on_raise
= Qt
;
6553 DEFVAR_LISP ("w32-capslock-is-shiftlock",
6554 &Vw32_capslock_is_shiftlock
,
6555 doc
: /* Apply CapsLock state to non character input keys.
6556 When nil, CapsLock only affects normal character input keys. */);
6557 Vw32_capslock_is_shiftlock
= Qnil
;
6559 DEFVAR_LISP ("w32-recognize-altgr",
6560 &Vw32_recognize_altgr
,
6561 doc
: /* Recognize right-alt and left-ctrl as AltGr.
6562 When nil, the right-alt and left-ctrl key combination is
6563 interpreted normally. */);
6564 Vw32_recognize_altgr
= Qt
;
6566 DEFVAR_BOOL ("w32-enable-unicode-output",
6567 &w32_enable_unicode_output
,
6568 doc
: /* Enable the use of Unicode for text output if non-nil.
6569 Unicode output may prevent some third party applications for displaying
6570 Far-East Languages on Windows 95/98 from working properly.
6571 NT uses Unicode internally anyway, so this flag will probably have no
6572 affect on NT machines. */);
6573 w32_enable_unicode_output
= 1;
6575 DEFVAR_BOOL ("w32-use-visible-system-caret",
6576 &w32_use_visible_system_caret
,
6577 doc
: /* Flag to make the system caret visible.
6578 When this is non-nil, Emacs will indicate the position of point by
6579 using the system caret instead of drawing its own cursor. Some screen
6580 reader software does not track the system cursor properly when it is
6581 invisible, and gets confused by Emacs drawing its own cursor, so this
6582 variable is initialized to t when Emacs detects that screen reader
6583 software is running as it starts up.
6585 When this variable is set, other variables affecting the appearance of
6586 the cursor have no effect. */);
6588 w32_use_visible_system_caret
= 0;
6590 /* We don't yet support this, but defining this here avoids whining
6591 from cus-start.el and other places, like "M-x set-variable". */
6592 DEFVAR_BOOL ("x-use-underline-position-properties",
6593 &x_use_underline_position_properties
,
6594 doc
: /* *Non-nil means make use of UNDERLINE_POSITION font properties.
6595 nil means ignore them. If you encounter fonts with bogus
6596 UNDERLINE_POSITION font properties, for example 7x13 on XFree prior
6597 to 4.1, set this to nil.
6599 NOTE: Not supported on MS-Windows yet. */);
6600 x_use_underline_position_properties
= 0;
6602 DEFVAR_LISP ("x-toolkit-scroll-bars", &Vx_toolkit_scroll_bars
,
6603 doc
: /* If not nil, Emacs uses toolkit scroll bars. */);
6604 Vx_toolkit_scroll_bars
= Qt
;
6606 staticpro (&last_mouse_motion_frame
);
6607 last_mouse_motion_frame
= Qnil
;
6610 /* arch-tag: 5fa70624-ab86-499c-8a85-473958ee4646
6611 (do not change this comment) */