1 /* Definitions and headers for communication on the Microsoft W32 API.
2 Copyright (C) 1995, 2001 Free Software Foundation, Inc.
4 This file is part of GNU Emacs.
6 GNU Emacs is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2, or (at your option)
11 GNU Emacs is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with GNU Emacs; see the file COPYING. If not, write to
18 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
19 Boston, MA 02111-1307, USA. */
21 /* Added by Kevin Gallo */
25 /* The class of this X application. */
26 #define EMACS_CLASS "Emacs"
28 #define BLACK_PIX_DEFAULT(f) PALETTERGB(0,0,0)
29 #define WHITE_PIX_DEFAULT(f) PALETTERGB(255,255,255)
31 #define FONT_WIDTH(f) \
32 ((f)->bdf ? (f)->bdf->width : (f)->tm.tmAveCharWidth)
33 #define FONT_HEIGHT(f) \
34 ((f)->bdf ? (f)->bdf->height : (f)->tm.tmHeight)
35 #define FONT_BASE(f) \
36 ((f)->bdf ? (f)->bdf->ury : (f)->tm.tmAscent)
37 #define FONT_DESCENT(f) \
38 ((f)->bdf ? -((f)->bdf->lly) : (f)->tm.tmDescent)
39 #define FONT_MAX_WIDTH(f) \
40 ((f)->bdf ? (f)->bdf->width : (f)->tm.tmMaxCharWidth)
42 #define CP_DEFAULT 1004
43 /* Special pseudo-codepages. */
48 #define CHECK_W32_FRAME(f, frame) \
50 f = SELECTED_FRAME (); \
53 CHECK_LIVE_FRAME (frame, 0); \
56 if (! FRAME_W32_P (f))
58 /* Indicates whether we are in the readsocket call and the message we
59 are processing in the current loop */
64 extern struct frame
*x_window_to_frame ();
66 enum text_cursor_kinds
{
73 /* Structure recording bitmaps and reference count.
74 If REFCOUNT is 0 then this record is free to be reused. */
76 struct w32_bitmap_record
80 HINSTANCE hinst
; /* Used to load the file */
82 /* Record some info about this pixmap. */
83 int height
, width
, depth
;
86 /* Palette book-keeping stuff for mapping requested colors into the
87 system palette. Keep a ref-counted list of requested colors and
88 regenerate the app palette whenever the requested list changes. */
90 extern Lisp_Object Vw32_enable_palette
;
92 struct w32_palette_entry
{
93 struct w32_palette_entry
* next
;
100 extern void w32_regenerate_palette(struct frame
*f
);
103 /* For each display (currently only one on w32), we have a structure that
104 records information about it. */
106 struct w32_display_info
108 /* Chain of all w32_display_info structures. */
109 struct w32_display_info
*next
;
111 /* This is a cons cell of the form (NAME . FONT-LIST-CACHE).
112 The same cons cell also appears in x_display_name_list. */
113 Lisp_Object name_list_element
;
115 /* Number of frames that are on this display. */
118 /* Dots per inch of the screen. */
121 /* Number of planes on this screen. */
124 /* Number of bits per pixel on this screen. */
127 /* Dimensions of this screen. */
129 int height_in
,width_in
;
131 /* Mask of things that cause the mouse to be grabbed. */
134 /* Emacs bitmap-id of the default icon bitmap for this frame.
135 Or -1 if none has been allocated yet. */
138 /* The root window of this screen. */
141 /* The cursor to use for vertical scroll bars. */
142 Cursor vertical_scroll_bar_cursor
;
144 /* color palette information. */
146 struct w32_palette_entry
* color_list
;
150 /* deferred action flags checked when starting frame update. */
153 /* Keystroke that has been faked by Emacs and will be ignored when
154 received; value is reset after key is received. */
157 /* A table of all the fonts we have already loaded. */
158 struct font_info
*font_table
;
160 /* The current capacity of font_table. */
163 /* Minimum width over all characters in all fonts in font_table. */
164 int smallest_char_width
;
166 /* Minimum font height over all fonts in font_table. */
167 int smallest_font_height
;
169 /* Reusable Graphics Context for drawing a cursor in a non-default face. */
170 XGCValues
*scratch_cursor_gc
;
172 /* These variables describe the range of text currently shown in its
173 mouse-face, together with the window they apply to. As long as
174 the mouse stays within this range, we need not redraw anything on
175 its account. Rows and columns are glyph matrix positions in
176 MOUSE_FACE_WINDOW. */
177 int mouse_face_beg_row
, mouse_face_beg_col
;
178 int mouse_face_beg_x
, mouse_face_beg_y
;
179 int mouse_face_end_row
, mouse_face_end_col
;
180 int mouse_face_end_x
, mouse_face_end_y
;
181 int mouse_face_past_end
;
182 Lisp_Object mouse_face_window
;
183 int mouse_face_face_id
;
184 Lisp_Object mouse_face_overlay
;
186 /* 1 if a mouse motion event came and we didn't handle it right away because
187 gc was in progress. */
188 int mouse_face_deferred_gc
;
190 /* FRAME and X, Y position of mouse when last checked for
191 highlighting. X and Y can be negative or out of range for the frame. */
192 struct frame
*mouse_face_mouse_frame
;
193 int mouse_face_mouse_x
, mouse_face_mouse_y
;
195 /* Nonzero means defer mouse-motion highlighting. */
196 int mouse_face_defer
;
198 /* Nonzero means that the mouse highlight should not be shown. */
199 int mouse_face_hidden
;
201 int mouse_face_image_state
;
205 /* The number of fonts actually stored in w32_font_table.
206 font_table[n] is used and valid iff 0 <= n < n_fonts. 0 <=
207 n_fonts <= font_table_size. and font_table[i].name != 0. */
210 /* Pointer to bitmap records. */
211 struct w32_bitmap_record
*bitmaps
;
213 /* Allocated size of bitmaps field. */
216 /* Last used bitmap index. */
219 /* The frame (if any) which has the window that has keyboard focus.
220 Zero if none. This is examined by Ffocus_frame in w32fns.c. Note
221 that a mere EnterNotify event can set this; if you need to know the
222 last frame specified in a FocusIn or FocusOut event, use
223 w32_focus_event_frame. */
224 struct frame
*w32_focus_frame
;
226 /* The last frame mentioned in a FocusIn or FocusOut event. This is
227 separate from w32_focus_frame, because whether or not LeaveNotify
228 events cause us to lose focus depends on whether or not we have
229 received a FocusIn event for it. */
230 struct frame
*w32_focus_event_frame
;
232 /* The frame which currently has the visual highlight, and should get
233 keyboard input (other sorts of input have the frame encoded in the
234 event). It points to the focus frame's selected window's
235 frame. It differs from w32_focus_frame when we're using a global
237 struct frame
*w32_highlight_frame
;
239 /* Cache of images. */
240 struct image_cache
*image_cache
;
243 /* This is a chain of structures for all the displays currently in use. */
244 extern struct w32_display_info
*x_display_list
;
245 extern struct w32_display_info one_w32_display_info
;
247 /* This is a list of cons cells, each of the form (NAME . FONT-LIST-CACHE),
248 one for each element of w32_display_list and in the same order.
249 NAME is the name of the frame.
250 FONT-LIST-CACHE records previous values returned by x-list-fonts. */
251 extern Lisp_Object w32_display_name_list
;
253 /* Regexp matching a font name whose width is the same as `PIXEL_SIZE'. */
254 extern Lisp_Object Vx_pixel_size_width_font_regexp
;
256 /* A flag to control how to display unibyte 8-bit character. */
257 extern int unibyte_display_via_language_environment
;
259 struct w32_display_info
*x_display_info_for_name ();
261 extern struct w32_display_info
*w32_term_init ();
263 extern Lisp_Object w32_list_fonts
P_ ((struct frame
*, Lisp_Object
, int, int));
264 extern struct font_info
*w32_get_font_info (), *w32_query_font ();
265 extern void w32_cache_char_metrics (XFontStruct
*font
);
266 extern void w32_find_ccl_program();
268 #define PIX_TYPE COLORREF
270 /* Each W32 frame object points to its own struct w32_display object
271 in the output_data.w32 field. The w32_display structure contains all
272 the information that is specific to W32 windows. */
274 /* Put some things in x_output for compatibility.
275 NTEMACS_TODO: Move all common things here to eliminate unneccesary
276 diffs between X and w32 code. */
279 PIX_TYPE background_pixel
;
280 PIX_TYPE foreground_pixel
;
286 /* Placeholder for things accessed through output_data.x. */
287 struct x_output x_compatible
;
289 /* Menubar "widget" handle. */
290 HMENU menubar_widget
;
292 /* Original palette (used to deselect real palette after drawing) */
293 HPALETTE old_palette
;
295 /* Position of the W32 window (x and y offsets in root window). */
299 /* Border width of the W32 window as known by the window system. */
302 /* Size of the W32 window in pixels. */
303 int pixel_height
, pixel_width
;
305 /* Height of a line, in pixels. */
308 /* Here are the Graphics Contexts for the default font. */
309 XGCValues
*cursor_gc
; /* cursor drawing */
311 /* Width of the internal border. This is a line of background color
312 just inside the window's border. When the frame is selected,
313 a highlighting is displayed inside the internal border. */
314 int internal_border_width
;
316 /* The window used for this frame.
317 May be zero while the frame object is being created
318 and the window has not yet been created. */
321 /* The window that is the parent of this window.
322 Usually this is a window that was made by the window manager,
323 but it can be the root window, and it can be explicitly specified
324 (see the explicit_parent field, below). */
327 /* Default ASCII font of this frame. */
330 /* The baseline offset of the default ASCII font. */
333 /* If a fontset is specified for this frame instead of font, this
334 value contains an ID of the fontset, else -1. */
337 /* Pixel values used for various purposes.
338 border_pixel may be -1 meaning use a gray tile. */
339 COLORREF cursor_pixel
;
340 COLORREF border_pixel
;
341 COLORREF mouse_pixel
;
342 COLORREF cursor_foreground_pixel
;
344 /* Foreground color for scroll bars. A value of -1 means use the
345 default (black for non-toolkit scroll bars). */
346 COLORREF scroll_bar_foreground_pixel
;
348 /* Background color for scroll bars. A value of -1 means use the
349 default (background color of the frame for non-toolkit scroll
351 COLORREF scroll_bar_background_pixel
;
353 /* Descriptor for the cursor in use for this window. */
355 Cursor nontext_cursor
;
356 Cursor modeline_cursor
;
358 Cursor hourglass_cursor
;
359 Cursor horizontal_drag_cursor
;
361 /* Window whose cursor is hourglass_cursor. This window is
362 temporarily mapped to display an hourglass cursor. */
363 Window hourglass_window
;
365 /* Non-zero means hourglass cursor is currently displayed. */
366 unsigned hourglass_p
: 1;
368 /* Flag to set when the window needs to be completely repainted. */
371 /* What kind of text cursor is drawn in this window right now?
372 (If there is no cursor (phys_cursor_x < 0), then this means nothing.) */
373 enum text_cursor_kinds current_cursor
;
375 /* What kind of text cursor should we draw in the future?
376 This should always be filled_box_cursor or bar_cursor. */
377 enum text_cursor_kinds desired_cursor
;
379 /* Width of bar cursor (if we are using that). */
384 /* The size of the extra width currently allotted for vertical
385 scroll bars, in pixels. */
386 int vertical_scroll_bar_extra
;
388 /* The extra width currently allotted for the areas in which
389 truncation marks, continuation marks, and overlay arrows are
391 int left_fringe_width
, right_fringe_width
;
392 int fringe_cols
, fringes_extra
;
394 /* This is the gravity value for the specified window position. */
397 /* The geometry flags for this window. */
400 /* This is the Emacs structure for the display this frame is on. */
401 /* struct w32_display_info *display_info; */
403 /* Nonzero means our parent is another application's window
404 and was explicitly specified. */
405 char explicit_parent
;
407 /* Nonzero means tried already to make this frame visible. */
408 char asked_for_visible
;
410 /* Nonzero means menubar is currently active. */
413 /* Nonzero means a menu command is being processed. */
414 char menu_command_in_progress
;
416 /* Nonzero means menubar is about to become active, but should be
417 brought up to date first. */
418 volatile char pending_menu_activation
;
420 /* Relief GCs, colors etc. */
427 black_relief
, white_relief
;
429 /* The background for which the above relief GCs were set up.
430 They are changed only when a different background is involved. */
431 unsigned long relief_background
;
436 /* This many pixels are the difference between the outer window (i.e. the
437 left of the window manager decoration) and FRAME_W32_WINDOW. */
440 /* This many pixels are the difference between the outer window (i.e. the
441 top of the window manager titlebar) and FRAME_W32_WINDOW. */
445 extern struct w32_output w32term_display
;
449 /* Values used as a bit mask, BOTH == WIDTH | HEIGHT. */
451 FULLSCREEN_WIDTH
= 1,
452 FULLSCREEN_HEIGHT
= 2,
455 FULLSCREEN_MOVE_WAIT
= 8,
458 /* Return the window associated with the frame F. */
459 #define FRAME_W32_WINDOW(f) ((f)->output_data.w32->window_desc)
461 #define FRAME_FOREGROUND_PIXEL(f) ((f)->output_data.x->foreground_pixel)
462 #define FRAME_BACKGROUND_PIXEL(f) ((f)->output_data.x->background_pixel)
463 #define FRAME_FONT(f) ((f)->output_data.w32->font)
464 #define FRAME_FONTSET(f) ((f)->output_data.w32->fontset)
465 #define FRAME_INTERNAL_BORDER_WIDTH(f) ((f)->output_data.w32->internal_border_width)
466 #define FRAME_LINE_HEIGHT(f) ((f)->output_data.w32->line_height)
467 /* Width of the default font of frame F. Must be defined by each
468 terminal specific header. */
469 #define FRAME_DEFAULT_FONT_WIDTH(F) FONT_WIDTH (FRAME_FONT (F))
470 #define FRAME_BASELINE_OFFSET(f) ((f)->output_data.w32->baseline_offset)
472 /* This gives the w32_display_info structure for the display F is on. */
473 #define FRAME_W32_DISPLAY_INFO(f) (&one_w32_display_info)
474 #define FRAME_X_DISPLAY_INFO(f) (&one_w32_display_info)
476 /* This is the 'font_info *' which frame F has. */
477 #define FRAME_W32_FONT_TABLE(f) (FRAME_W32_DISPLAY_INFO (f)->font_table)
479 /* These two really ought to be called FRAME_PIXEL_{WIDTH,HEIGHT}. */
480 #define PIXEL_WIDTH(f) ((f)->output_data.w32->pixel_width)
481 #define PIXEL_HEIGHT(f) ((f)->output_data.w32->pixel_height)
483 #define FRAME_DESIRED_CURSOR(f) ((f)->output_data.w32->desired_cursor)
485 /* Value is the smallest width of any character in any font on frame F. */
487 #define FRAME_SMALLEST_CHAR_WIDTH(F) \
488 FRAME_W32_DISPLAY_INFO(F)->smallest_char_width
490 /* Value is the smallest height of any font on frame F. */
492 #define FRAME_SMALLEST_FONT_HEIGHT(F) \
493 FRAME_W32_DISPLAY_INFO(F)->smallest_font_height
495 /* Return a pointer to the image cache of frame F. */
497 #define FRAME_X_IMAGE_CACHE(F) FRAME_W32_DISPLAY_INFO ((F))->image_cache
500 /* Total width of fringes reserved for drawing truncation bitmaps,
501 continuation bitmaps and alike. The width is in canonical char
502 units of the frame. This must currently be the case because window
503 sizes aren't pixel values. If it weren't the case, we wouldn't be
504 able to split windows horizontally nicely. */
506 #define FRAME_X_FRINGE_COLS(F) ((F)->output_data.w32->fringe_cols)
508 /* Total width of fringes in pixels. */
510 #define FRAME_X_FRINGE_WIDTH(F) ((F)->output_data.w32->fringes_extra)
512 /* Pixel-width of the left and right fringe. */
514 #define FRAME_X_LEFT_FRINGE_WIDTH(F) ((F)->output_data.w32->left_fringe_width)
515 #define FRAME_X_RIGHT_FRINGE_WIDTH(F) ((F)->output_data.w32->right_fringe_width)
519 /* W32-specific scroll bar stuff. */
521 /* We represent scroll bars as lisp vectors. This allows us to place
522 references to them in windows without worrying about whether we'll
523 end up with windows referring to dead scroll bars; the garbage
524 collector will free it when its time comes.
526 We use struct scroll_bar as a template for accessing fields of the
531 /* These fields are shared by all vectors. */
532 EMACS_INT size_from_Lisp_Vector_struct
;
533 struct Lisp_Vector
*next_from_Lisp_Vector_struct
;
535 /* The window we're a scroll bar for. */
538 /* The next and previous in the chain of scroll bars in this frame. */
539 Lisp_Object next
, prev
;
541 /* The window representing this scroll bar. Since this is a full
542 32-bit quantity, we store it split into two 32-bit values. */
543 Lisp_Object w32_window_low
, w32_window_high
;
545 /* Same as above for the widget. */
546 Lisp_Object w32_widget_low
, w32_widget_high
;
548 /* The position and size of the scroll bar in pixels, relative to the
550 Lisp_Object top
, left
, width
, height
;
552 /* The starting and ending positions of the handle, relative to the
553 handle area (i.e. zero is the top position, not
554 SCROLL_BAR_TOP_BORDER). If they're equal, that means the handle
555 hasn't been drawn yet.
557 These are not actually the locations where the beginning and end
558 are drawn; in order to keep handles from becoming invisible when
559 editing large files, we establish a minimum height by always
560 drawing handle bottoms VERTICAL_SCROLL_BAR_MIN_HANDLE pixels below
561 where they would be normally; the bottom and top are in a
562 different co-ordinate system. */
563 Lisp_Object start
, end
;
565 /* If the scroll bar handle is currently being dragged by the user,
566 this is the number of pixels from the top of the handle to the
567 place where the user grabbed it. If the handle isn't currently
568 being dragged, this is Qnil. */
569 Lisp_Object dragging
;
572 /* The number of elements a vector holding a struct scroll_bar needs. */
573 #define SCROLL_BAR_VEC_SIZE \
574 ((sizeof (struct scroll_bar) \
575 - sizeof (EMACS_INT) - sizeof (struct Lisp_Vector *)) \
576 / sizeof (Lisp_Object))
578 /* Turning a lisp vector value into a pointer to a struct scroll_bar. */
579 #define XSCROLL_BAR(vec) ((struct scroll_bar *) XVECTOR (vec))
582 /* Building a 32-bit C integer from two 16-bit lisp integers. */
583 #define SCROLL_BAR_PACK(low, high) (XINT (high) << 16 | XINT (low))
585 /* Setting two lisp integers to the low and high words of a 32-bit C int. */
586 #define SCROLL_BAR_UNPACK(low, high, int32) \
587 (XSETINT ((low), (int32) & 0xffff), \
588 XSETINT ((high), ((int32) >> 16) & 0xffff))
591 /* Extract the window id of the scroll bar from a struct scroll_bar. */
592 #define SCROLL_BAR_W32_WINDOW(ptr) \
593 ((Window) SCROLL_BAR_PACK ((ptr)->w32_window_low, (ptr)->w32_window_high))
595 /* Store a window id in a struct scroll_bar. */
596 #define SET_SCROLL_BAR_W32_WINDOW(ptr, id) \
597 (SCROLL_BAR_UNPACK ((ptr)->w32_window_low, (ptr)->w32_window_high, (int) id))
599 /* Extract the X widget of the scroll bar from a struct scroll_bar. */
600 #define SCROLL_BAR_X_WIDGET(ptr) \
601 ((Widget) SCROLL_BAR_PACK ((ptr)->x_widget_low, (ptr)->x_widget_high))
603 /* Store a widget id in a struct scroll_bar. */
604 #define SET_SCROLL_BAR_X_WIDGET(ptr, w) \
605 (SCROLL_BAR_UNPACK ((ptr)->x_widget_low, (ptr)->x_widget_high, (int) w))
607 /* Return the inside width of a vertical scroll bar, given the outside
609 #define VERTICAL_SCROLL_BAR_INSIDE_WIDTH(f,width) \
611 - VERTICAL_SCROLL_BAR_LEFT_BORDER \
612 - VERTICAL_SCROLL_BAR_RIGHT_BORDER \
613 - VERTICAL_SCROLL_BAR_WIDTH_TRIM * 2)
615 /* Return the length of the rectangle within which the top of the
616 handle must stay. This isn't equivalent to the inside height,
617 because the scroll bar handle has a minimum height.
619 This is the real range of motion for the scroll bar, so when we're
620 scaling buffer positions to scroll bar positions, we use this, not
621 VERTICAL_SCROLL_BAR_INSIDE_HEIGHT. */
622 #define VERTICAL_SCROLL_BAR_TOP_RANGE(f,height) \
623 (VERTICAL_SCROLL_BAR_INSIDE_HEIGHT (f, height) - VERTICAL_SCROLL_BAR_MIN_HANDLE)
625 /* Return the inside height of vertical scroll bar, given the outside
626 height. See VERTICAL_SCROLL_BAR_TOP_RANGE too. */
627 #define VERTICAL_SCROLL_BAR_INSIDE_HEIGHT(f,height) \
628 ((height) - VERTICAL_SCROLL_BAR_TOP_BORDER - VERTICAL_SCROLL_BAR_BOTTOM_BORDER)
631 /* Border widths for scroll bars.
633 Scroll bar windows don't have any borders; their border width is
634 set to zero, and we redraw borders ourselves. This makes the code
635 a bit cleaner, since we don't have to convert between outside width
636 (used when relating to the rest of the screen) and inside width
637 (used when sizing and drawing the scroll bar window itself).
639 The handle moves up and down/back and forth in a rectangle inset
640 from the edges of the scroll bar. These are widths by which we
641 inset the handle boundaries from the scroll bar edges. */
642 #define VERTICAL_SCROLL_BAR_LEFT_BORDER (0)
643 #define VERTICAL_SCROLL_BAR_RIGHT_BORDER (0)
644 #define VERTICAL_SCROLL_BAR_TOP_BORDER (vertical_scroll_bar_top_border)
645 #define VERTICAL_SCROLL_BAR_BOTTOM_BORDER (vertical_scroll_bar_bottom_border)
647 /* Minimum lengths for scroll bar handles, in pixels. */
648 #define VERTICAL_SCROLL_BAR_MIN_HANDLE (vertical_scroll_bar_min_handle)
650 /* Trimming off a few pixels from each side prevents
651 text from glomming up against the scroll bar */
652 #define VERTICAL_SCROLL_BAR_WIDTH_TRIM (0)
655 /* Manipulating pixel sizes and character sizes.
656 Knowledge of which factors affect the overall size of the window should
657 be hidden in these macros, if that's possible.
659 Return the upper/left pixel position of the character cell on frame F
661 #define CHAR_TO_PIXEL_ROW(f, row) \
662 ((f)->output_data.w32->internal_border_width \
663 + (row) * (f)->output_data.w32->line_height)
664 #define CHAR_TO_PIXEL_COL(f, col) \
665 ((f)->output_data.w32->internal_border_width \
666 + (col) * FONT_WIDTH ((f)->output_data.w32->font))
668 /* Return the pixel width/height of frame F if it has
669 WIDTH columns/HEIGHT rows. */
670 #define CHAR_TO_PIXEL_WIDTH(f, width) \
671 (CHAR_TO_PIXEL_COL (f, width) \
672 + (f)->output_data.w32->vertical_scroll_bar_extra \
673 + (f)->output_data.w32->fringes_extra \
674 + (f)->output_data.w32->internal_border_width)
675 #define CHAR_TO_PIXEL_HEIGHT(f, height) \
676 (CHAR_TO_PIXEL_ROW (f, height) \
677 + (f)->output_data.w32->internal_border_width)
680 /* Return the row/column (zero-based) of the character cell containing
681 the pixel on FRAME at ROW/COL. */
682 #define PIXEL_TO_CHAR_ROW(f, row) \
683 (((row) - (f)->output_data.w32->internal_border_width) \
684 / (f)->output_data.w32->line_height)
685 #define PIXEL_TO_CHAR_COL(f, col) \
686 (((col) - (f)->output_data.w32->internal_border_width) \
687 / FONT_WIDTH ((f)->output_data.w32->font))
689 /* How many columns/rows of text can we fit in WIDTH/HEIGHT pixels on
691 #define PIXEL_TO_CHAR_WIDTH(f, width) \
692 (PIXEL_TO_CHAR_COL (f, ((width) \
693 - (f)->output_data.w32->internal_border_width \
694 - (f)->output_data.w32->fringes_extra \
695 - (f)->output_data.w32->vertical_scroll_bar_extra)))
696 #define PIXEL_TO_CHAR_HEIGHT(f, height) \
697 (PIXEL_TO_CHAR_ROW (f, ((height) \
698 - (f)->output_data.w32->internal_border_width)))
701 extern void w32_fill_rect ();
702 extern void w32_clear_window ();
704 #define w32_fill_area(f,hdc,pix,x,y,nx,ny) \
709 rect.right = x + nx; \
710 rect.bottom = y + ny; \
711 w32_fill_rect (f,hdc,pix,&rect); \
714 #define w32_clear_rect(f,hdc,lprect) \
715 w32_fill_rect (f,hdc,f->output_data.x->background_pixel,lprect)
717 #define w32_clear_area(f,hdc,px,py,nx,ny) \
718 w32_fill_area (f,hdc,f->output_data.x->background_pixel,px,py,nx,ny)
720 extern struct font_info
*w32_load_font ();
721 extern void w32_unload_font ();
723 extern void x_fullscreen_adjust
P_ ((struct frame
*f
, int *, int *,
726 /* Define for earlier versions of Visual C */
727 #ifndef WM_MOUSEWHEEL
728 #define WM_MOUSEWHEEL (WM_MOUSELAST + 1)
729 #endif /* WM_MOUSEWHEEL */
730 #ifndef MSH_MOUSEWHEEL
731 #define MSH_MOUSEWHEEL "MSWHEEL_ROLLMSG"
732 #endif /* MSH_MOUSEWHEEL */
733 #ifndef WM_XBUTTONDOWN
734 #define WM_XBUTTONDOWN (WM_MOUSEWHEEL + 1)
735 #define WM_XBUTTONUP (WM_MOUSEWHEEL + 2)
736 #endif /* WM_XBUTTONDOWN */
738 #define WM_EMACS_START (WM_USER + 1)
739 #define WM_EMACS_KILL (WM_EMACS_START + 0)
740 #define WM_EMACS_CREATEWINDOW (WM_EMACS_START + 1)
741 #define WM_EMACS_DONE (WM_EMACS_START + 2)
742 #define WM_EMACS_CREATESCROLLBAR (WM_EMACS_START + 3)
743 #define WM_EMACS_SHOWWINDOW (WM_EMACS_START + 4)
744 #define WM_EMACS_SETWINDOWPOS (WM_EMACS_START + 5)
745 #define WM_EMACS_DESTROYWINDOW (WM_EMACS_START + 6)
746 #define WM_EMACS_TRACKPOPUPMENU (WM_EMACS_START + 7)
747 #define WM_EMACS_SETFOCUS (WM_EMACS_START + 8)
748 #define WM_EMACS_SETFOREGROUND (WM_EMACS_START + 9)
749 #define WM_EMACS_SETLOCALE (WM_EMACS_START + 10)
750 #define WM_EMACS_SETKEYBOARDLAYOUT (WM_EMACS_START + 11)
751 #define WM_EMACS_REGISTER_HOT_KEY (WM_EMACS_START + 12)
752 #define WM_EMACS_UNREGISTER_HOT_KEY (WM_EMACS_START + 13)
753 #define WM_EMACS_TOGGLE_LOCK_KEY (WM_EMACS_START + 14)
754 #define WM_EMACS_TRACK_CARET (WM_EMACS_START + 15)
755 #define WM_EMACS_DESTROY_CARET (WM_EMACS_START + 16)
756 #define WM_EMACS_SHOW_CARET (WM_EMACS_START + 17)
757 #define WM_EMACS_HIDE_CARET (WM_EMACS_START + 18)
758 #define WM_EMACS_END (WM_EMACS_START + 19)
760 #define WND_FONTWIDTH_INDEX (0)
761 #define WND_LINEHEIGHT_INDEX (4)
762 #define WND_BORDER_INDEX (8)
763 #define WND_SCROLLBAR_INDEX (12)
764 #define WND_BACKGROUND_INDEX (16)
765 #define WND_LAST_INDEX (20)
767 #define WND_EXTRA_BYTES (WND_LAST_INDEX)
769 extern DWORD dwWindowsThreadId
;
770 extern HANDLE hWindowsThread
;
771 extern DWORD dwMainThreadId
;
772 extern HANDLE hMainThread
;
774 typedef struct W32Msg
{
780 /* Structure for recording message when input thread must return a
781 result that depends on lisp thread to compute. Lisp thread can
782 complete deferred messages out of order. */
783 typedef struct deferred_msg
785 struct deferred_msg
* next
;
791 extern CRITICAL_SECTION critsect
;
793 extern void init_crit ();
794 extern void delete_crit ();
796 extern void signal_quit ();
798 #define enter_crit() EnterCriticalSection (&critsect)
799 #define leave_crit() LeaveCriticalSection (&critsect)
801 extern void select_palette (struct frame
* f
, HDC hdc
);
802 extern void deselect_palette (struct frame
* f
, HDC hdc
);
803 extern HDC
get_frame_dc (struct frame
* f
);
804 extern int release_frame_dc (struct frame
* f
, HDC hDC
);
806 extern void drain_message_queue ();
808 extern BOOL
get_next_msg ();
809 extern BOOL
post_msg ();
810 extern void complete_deferred_msg (HWND hwnd
, UINT msg
, LRESULT result
);
811 extern void wait_for_sync ();
813 extern BOOL
parse_button ();
815 /* Keypad command key support. W32 doesn't have virtual keys defined
816 for the function keys on the keypad (they are mapped to the standard
817 fuction keys), so we define our own. */
818 #define VK_NUMPAD_BEGIN 0x92
819 #define VK_NUMPAD_CLEAR (VK_NUMPAD_BEGIN + 0)
820 #define VK_NUMPAD_ENTER (VK_NUMPAD_BEGIN + 1)
821 #define VK_NUMPAD_PRIOR (VK_NUMPAD_BEGIN + 2)
822 #define VK_NUMPAD_NEXT (VK_NUMPAD_BEGIN + 3)
823 #define VK_NUMPAD_END (VK_NUMPAD_BEGIN + 4)
824 #define VK_NUMPAD_HOME (VK_NUMPAD_BEGIN + 5)
825 #define VK_NUMPAD_LEFT (VK_NUMPAD_BEGIN + 6)
826 #define VK_NUMPAD_UP (VK_NUMPAD_BEGIN + 7)
827 #define VK_NUMPAD_RIGHT (VK_NUMPAD_BEGIN + 8)
828 #define VK_NUMPAD_DOWN (VK_NUMPAD_BEGIN + 9)
829 #define VK_NUMPAD_INSERT (VK_NUMPAD_BEGIN + 10)
830 #define VK_NUMPAD_DELETE (VK_NUMPAD_BEGIN + 11)
833 /* Older compiler environments don't have these defined. */
839 /* Support for treating Windows and Apps keys as modifiers. These
840 constants must not overlap with any of the dwControlKeyState flags in
842 #define LEFT_WIN_PRESSED 0x8000
843 #define RIGHT_WIN_PRESSED 0x4000
844 #define APPS_PRESSED 0x2000
846 /* When compiling on Windows 9x/ME and NT 3.x, the following are not defined
847 (even though they are supported on 98 and ME. */
848 #ifndef WM_MOUSELEAVE
849 #define WM_MOUSELEAVE 0x02A3
850 #define TME_LEAVE 0x00000002;
852 typedef struct tagTRACKMOUSEEVENT
864 XGCValues
*XCreateGC (void *, Window
, unsigned long, XGCValues
*);
865 struct frame
* check_x_frame (Lisp_Object
);
866 EXFUN (Fx_display_color_p
, 1);
867 EXFUN (Fx_display_grayscale_p
, 1);
868 int image_ascent
P_ ((struct image
*, struct face
*));