1 /* Definitions and headers for communication on the Microsoft W32 API.
2 Copyright (C) 1995 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) ((f)->tm.tmAveCharWidth)
32 #define FONT_HEIGHT(f) ((f)->tm.tmHeight)
33 #define FONT_BASE(f) ((f)->tm.tmAscent)
35 #define CHECK_W32_FRAME(f, frame) \
40 CHECK_LIVE_FRAME (frame, 0); \
43 if (! FRAME_W32_P (f))
45 /* Indicates whether we are in the readsocket call and the message we
46 are processing in the current loop */
51 extern struct frame
*x_window_to_frame ();
53 enum text_cursor_kinds
{
54 filled_box_cursor
, hollow_box_cursor
, bar_cursor
57 /* Structure recording bitmaps and reference count.
58 If REFCOUNT is 0 then this record is free to be reused. */
60 struct w32_bitmap_record
64 HINSTANCE hinst
; /* Used to load the file */
66 /* Record some info about this pixmap. */
67 int height
, width
, depth
;
70 /* Palette book-keeping stuff for mapping requested colors into the
71 system palette. Keep a ref-counted list of requested colors and
72 regenerate the app palette whenever the requested list changes. */
74 extern Lisp_Object Vw32_enable_palette
;
76 struct w32_palette_entry
{
77 struct w32_palette_entry
* next
;
84 extern void w32_regenerate_palette(struct frame
*f
);
87 /* For each display (currently only one on w32), we have a structure that
88 records information about it. */
90 struct w32_display_info
92 /* Chain of all w32_display_info structures. */
93 struct w32_display_info
*next
;
94 /* This is a cons cell of the form (NAME . FONT-LIST-CACHE).
95 The same cons cell also appears in x_display_name_list. */
96 Lisp_Object name_list_element
;
97 /* Number of frames that are on this display. */
99 /* Number of planes on this screen. */
101 /* Number of bits per pixel on this screen. */
103 /* Dimensions of this screen. */
105 int height_in
,width_in
;
106 /* Mask of things that cause the mouse to be grabbed. */
108 /* The root window of this screen. */
110 /* The cursor to use for vertical scroll bars. */
111 Cursor vertical_scroll_bar_cursor
;
113 /* color palette information. */
115 struct w32_palette_entry
* color_list
;
119 /* deferred action flags checked when starting frame update. */
122 /* Keystroke that has been faked by Emacs and will be ignored when
123 received; value is reset after key is received. */
126 /* A table of all the fonts we have already loaded. */
127 struct font_info
*font_table
;
129 /* The current capacity of font_table. */
132 /* These variables describe the range of text currently shown
133 in its mouse-face, together with the window they apply to.
134 As long as the mouse stays within this range, we need not
135 redraw anything on its account. */
136 int mouse_face_beg_row
, mouse_face_beg_col
;
137 int mouse_face_end_row
, mouse_face_end_col
;
138 int mouse_face_past_end
;
139 Lisp_Object mouse_face_window
;
140 int mouse_face_face_id
;
142 /* 1 if a mouse motion event came and we didn't handle it right away because
143 gc was in progress. */
144 int mouse_face_deferred_gc
;
146 /* FRAME and X, Y position of mouse when last checked for
147 highlighting. X and Y can be negative or out of range for the frame. */
148 struct frame
*mouse_face_mouse_frame
;
149 int mouse_face_mouse_x
, mouse_face_mouse_y
;
151 /* Nonzero means defer mouse-motion highlighting. */
152 int mouse_face_defer
;
156 /* The number of fonts actually stored in w32_font_table.
157 font_table[n] is used and valid iff 0 <= n < n_fonts.
158 0 <= n_fonts <= font_table_size. */
161 /* Pointer to bitmap records. */
162 struct w32_bitmap_record
*bitmaps
;
164 /* Allocated size of bitmaps field. */
167 /* Last used bitmap index. */
170 /* The frame (if any) which has the window that has keyboard focus.
171 Zero if none. This is examined by Ffocus_frame in w32fns.c. Note
172 that a mere EnterNotify event can set this; if you need to know the
173 last frame specified in a FocusIn or FocusOut event, use
174 w32_focus_event_frame. */
175 struct frame
*w32_focus_frame
;
177 /* The last frame mentioned in a FocusIn or FocusOut event. This is
178 separate from w32_focus_frame, because whether or not LeaveNotify
179 events cause us to lose focus depends on whether or not we have
180 received a FocusIn event for it. */
181 struct frame
*w32_focus_event_frame
;
183 /* The frame which currently has the visual highlight, and should get
184 keyboard input (other sorts of input have the frame encoded in the
185 event). It points to the focus frame's selected window's
186 frame. It differs from w32_focus_frame when we're using a global
188 struct frame
*w32_highlight_frame
;
191 /* This is a chain of structures for all the displays currently in use. */
192 extern struct w32_display_info one_w32_display_info
;
194 /* This is a list of cons cells, each of the form (NAME . FONT-LIST-CACHE),
195 one for each element of w32_display_list and in the same order.
196 NAME is the name of the frame.
197 FONT-LIST-CACHE records previous values returned by x-list-fonts. */
198 extern Lisp_Object w32_display_name_list
;
200 /* Regexp matching a font name whose width is the same as `PIXEL_SIZE'. */
201 extern Lisp_Object Vx_pixel_size_width_font_regexp
;
203 /* A flag to control how to display unibyte 8-bit character. */
204 extern int unibyte_display_via_language_environment
;
206 extern struct w32_display_info
*x_display_info_for_display ();
207 extern struct w32_display_info
*x_display_info_for_name ();
209 extern struct w32_display_info
*w32_term_init ();
211 extern Lisp_Object
w32_list_fonts ();
212 extern struct font_info
*w32_get_font_info (), *w32_query_font ();
213 extern void w32_find_ccl_program();
215 /* Each W32 frame object points to its own struct w32_display object
216 in the output_data.w32 field. The w32_display structure contains all
217 the information that is specific to W32 windows. */
221 /* Menubar "widget" handle. */
222 HMENU menubar_widget
;
224 /* Original palette (used to deselect real palette after drawing) */
225 HPALETTE old_palette
;
227 /* Position of the W32 window (x and y offsets in root window). */
231 /* Border width of the W32 window as known by the window system. */
234 /* Size of the W32 window in pixels. */
235 int pixel_height
, pixel_width
;
237 /* Height of a line, in pixels. */
240 /* Width of the internal border. This is a line of background color
241 just inside the window's border. When the frame is selected,
242 a highlighting is displayed inside the internal border. */
243 int internal_border_width
;
245 /* The window used for this frame.
246 May be zero while the frame object is being created
247 and the window has not yet been created. */
250 /* The window that is the parent of this window.
251 Usually this is a window that was made by the window manager,
252 but it can be the root window, and it can be explicitly specified
253 (see the explicit_parent field, below). */
256 /* Default ASCII font of this frame. */
259 /* The baseline position of the default ASCII font. */
262 /* If a fontset is specified for this frame instead of font, this
263 value contains an ID of the fontset, else -1. */
266 /* Pixel values used for various purposes.
267 border_pixel may be -1 meaning use a gray tile. */
268 unsigned long background_pixel
;
269 unsigned long foreground_pixel
;
270 unsigned long cursor_pixel
;
271 unsigned long border_pixel
;
272 unsigned long mouse_pixel
;
273 unsigned long cursor_foreground_pixel
;
275 /* Descriptor for the cursor in use for this window. */
277 Cursor nontext_cursor
;
278 Cursor modeline_cursor
;
281 /* Flag to set when the window needs to be completely repainted. */
284 /* What kind of text cursor is drawn in this window right now?
285 (If there is no cursor (phys_cursor_x < 0), then this means nothing.) */
286 enum text_cursor_kinds current_cursor
;
288 /* What kind of text cursor should we draw in the future?
289 This should always be filled_box_cursor or bar_cursor. */
290 enum text_cursor_kinds desired_cursor
;
292 /* Width of bar cursor (if we are using that). */
297 /* The size of the extra width currently allotted for vertical
298 scroll bars, in pixels. */
299 int vertical_scroll_bar_extra
;
301 /* Table of parameter faces for this frame. Any resources (pixel
302 values, fonts) referred to here have been allocated explicitly
303 for this face, and should be freed if we change the face. */
304 struct face
**param_faces
;
307 /* Table of computed faces for this frame. These are the faces
308 whose indexes go into the upper bits of a glyph, computed by
309 combining the parameter faces specified by overlays, text
310 properties, and what have you. The resources mentioned here
311 are all shared with parameter faces. */
312 struct face
**computed_faces
;
313 int n_computed_faces
; /* How many are valid */
314 int size_computed_faces
; /* How many are allocated */
316 /* This is the gravity value for the specified window position. */
319 /* The geometry flags for this window. */
322 /* This is the Emacs structure for the display this frame is on. */
323 /* struct w32_display_info *display_info; */
325 /* Nonzero means our parent is another application's window
326 and was explicitly specified. */
327 char explicit_parent
;
329 /* Nonzero means tried already to make this frame visible. */
330 char asked_for_visible
;
332 /* Nonzero means menubar is currently active. */
335 /* Nonzero means menubar is about to become active, but should be
336 brought up to date first. */
337 volatile char pending_menu_activation
;
340 /* Get at the computed faces of an X window frame. */
341 #define FRAME_PARAM_FACES(f) ((f)->output_data.w32->param_faces)
342 #define FRAME_N_PARAM_FACES(f) ((f)->output_data.w32->n_param_faces)
343 #define FRAME_DEFAULT_PARAM_FACE(f) (FRAME_PARAM_FACES (f)[0])
344 #define FRAME_MODE_LINE_PARAM_FACE(f) (FRAME_PARAM_FACES (f)[1])
346 #define FRAME_COMPUTED_FACES(f) ((f)->output_data.w32->computed_faces)
347 #define FRAME_N_COMPUTED_FACES(f) ((f)->output_data.w32->n_computed_faces)
348 #define FRAME_SIZE_COMPUTED_FACES(f) ((f)->output_data.w32->size_computed_faces)
349 #define FRAME_DEFAULT_FACE(f) ((f)->output_data.w32->computed_faces[0])
350 #define FRAME_MODE_LINE_FACE(f) ((f)->output_data.w32->computed_faces[1])
352 /* Return the window associated with the frame F. */
353 #define FRAME_W32_WINDOW(f) ((f)->output_data.w32->window_desc)
355 #define FRAME_FOREGROUND_PIXEL(f) ((f)->output_data.w32->foreground_pixel)
356 #define FRAME_BACKGROUND_PIXEL(f) ((f)->output_data.w32->background_pixel)
357 #define FRAME_FONT(f) ((f)->output_data.w32->font)
358 #define FRAME_FONTSET(f) ((f)->output_data.w32->fontset)
359 #define FRAME_INTERNAL_BORDER_WIDTH(f) ((f)->output_data.w32->internal_border_width)
361 /* This gives the w32_display_info structure for the display F is on. */
362 #define FRAME_W32_DISPLAY_INFO(f) (&one_w32_display_info)
364 /* This is the 'font_info *' which frame F has. */
365 #define FRAME_W32_FONT_TABLE(f) (FRAME_W32_DISPLAY_INFO (f)->font_table)
367 /* These two really ought to be called FRAME_PIXEL_{WIDTH,HEIGHT}. */
368 #define PIXEL_WIDTH(f) ((f)->output_data.w32->pixel_width)
369 #define PIXEL_HEIGHT(f) ((f)->output_data.w32->pixel_height)
370 #define FRAME_LINE_HEIGHT(f) ((f)->output_data.w32->line_height)
372 #define FRAME_DESIRED_CURSOR(f) ((f)->output_data.w32->desired_cursor)
375 /* W32-specific scroll bar stuff. */
377 /* We represent scroll bars as lisp vectors. This allows us to place
378 references to them in windows without worrying about whether we'll
379 end up with windows referring to dead scroll bars; the garbage
380 collector will free it when its time comes.
382 We use struct scroll_bar as a template for accessing fields of the
387 /* These fields are shared by all vectors. */
388 EMACS_INT size_from_Lisp_Vector_struct
;
389 struct Lisp_Vector
*next_from_Lisp_Vector_struct
;
391 /* The window we're a scroll bar for. */
394 /* The next and previous in the chain of scroll bars in this frame. */
395 Lisp_Object next
, prev
;
397 /* The window representing this scroll bar. Since this is a full
398 32-bit quantity, we store it split into two 32-bit values. */
399 Lisp_Object w32_window_low
, w32_window_high
;
401 /* The position and size of the scroll bar in pixels, relative to the
403 Lisp_Object top
, left
, width
, height
;
405 /* The starting and ending positions of the handle, relative to the
406 handle area (i.e. zero is the top position, not
407 SCROLL_BAR_TOP_BORDER). If they're equal, that means the handle
408 hasn't been drawn yet.
410 These are not actually the locations where the beginning and end
411 are drawn; in order to keep handles from becoming invisible when
412 editing large files, we establish a minimum height by always
413 drawing handle bottoms VERTICAL_SCROLL_BAR_MIN_HANDLE pixels below
414 where they would be normally; the bottom and top are in a
415 different co-ordinate system. */
416 Lisp_Object start
, end
;
418 /* If the scroll bar handle is currently being dragged by the user,
419 this is the number of pixels from the top of the handle to the
420 place where the user grabbed it. If the handle isn't currently
421 being dragged, this is Qnil. */
422 Lisp_Object dragging
;
425 /* The number of elements a vector holding a struct scroll_bar needs. */
426 #define SCROLL_BAR_VEC_SIZE \
427 ((sizeof (struct scroll_bar) \
428 - sizeof (EMACS_INT) - sizeof (struct Lisp_Vector *)) \
429 / sizeof (Lisp_Object))
431 /* Turning a lisp vector value into a pointer to a struct scroll_bar. */
432 #define XSCROLL_BAR(vec) ((struct scroll_bar *) XVECTOR (vec))
435 /* Building a 32-bit C integer from two 16-bit lisp integers. */
436 #define SCROLL_BAR_PACK(low, high) (XINT (high) << 16 | XINT (low))
438 /* Setting two lisp integers to the low and high words of a 32-bit C int. */
439 #define SCROLL_BAR_UNPACK(low, high, int32) \
440 (XSETINT ((low), (int32) & 0xffff), \
441 XSETINT ((high), ((int32) >> 16) & 0xffff))
444 /* Extract the window id of the scroll bar from a struct scroll_bar. */
445 #define SCROLL_BAR_W32_WINDOW(ptr) \
446 ((Window) SCROLL_BAR_PACK ((ptr)->w32_window_low, (ptr)->w32_window_high))
448 /* Store a window id in a struct scroll_bar. */
449 #define SET_SCROLL_BAR_W32_WINDOW(ptr, id) \
450 (SCROLL_BAR_UNPACK ((ptr)->w32_window_low, (ptr)->w32_window_high, (int) id))
453 /* Return the outside pixel height for a vertical scroll bar HEIGHT
454 rows high on frame F. */
455 #define VERTICAL_SCROLL_BAR_PIXEL_HEIGHT(f, height) \
456 ((height) * (f)->output_data.w32->line_height)
458 /* Return the inside width of a vertical scroll bar, given the outside
460 #define VERTICAL_SCROLL_BAR_INSIDE_WIDTH(width) \
461 ((width) - VERTICAL_SCROLL_BAR_LEFT_BORDER - VERTICAL_SCROLL_BAR_RIGHT_BORDER)
463 /* Return the length of the rectangle within which the top of the
464 handle must stay. This isn't equivalent to the inside height,
465 because the scroll bar handle has a minimum height.
467 This is the real range of motion for the scroll bar, so when we're
468 scaling buffer positions to scroll bar positions, we use this, not
469 VERTICAL_SCROLL_BAR_INSIDE_HEIGHT. */
470 #define VERTICAL_SCROLL_BAR_TOP_RANGE(height) \
471 (VERTICAL_SCROLL_BAR_INSIDE_HEIGHT (height) - VERTICAL_SCROLL_BAR_MIN_HANDLE)
473 /* Return the inside height of vertical scroll bar, given the outside
474 height. See VERTICAL_SCROLL_BAR_TOP_RANGE too. */
475 #define VERTICAL_SCROLL_BAR_INSIDE_HEIGHT(height) \
476 ((height) - VERTICAL_SCROLL_BAR_TOP_BORDER - VERTICAL_SCROLL_BAR_BOTTOM_BORDER)
479 /* Border widths for scroll bars.
481 Scroll bar windows don't have any borders; their border width is
482 set to zero, and we redraw borders ourselves. This makes the code
483 a bit cleaner, since we don't have to convert between outside width
484 (used when relating to the rest of the screen) and inside width
485 (used when sizing and drawing the scroll bar window itself).
487 The handle moves up and down/back and forth in a rectangle inset
488 from the edges of the scroll bar. These are widths by which we
489 inset the handle boundaries from the scroll bar edges. */
490 #define VERTICAL_SCROLL_BAR_LEFT_BORDER (0)
491 #define VERTICAL_SCROLL_BAR_RIGHT_BORDER (0)
492 #define VERTICAL_SCROLL_BAR_TOP_BORDER (vertical_scroll_bar_top_border)
493 #define VERTICAL_SCROLL_BAR_BOTTOM_BORDER (vertical_scroll_bar_bottom_border)
495 /* Minimum lengths for scroll bar handles, in pixels. */
496 #define VERTICAL_SCROLL_BAR_MIN_HANDLE (vertical_scroll_bar_min_handle)
500 /* Manipulating pixel sizes and character sizes.
501 Knowledge of which factors affect the overall size of the window should
502 be hidden in these macros, if that's possible.
504 Return the upper/left pixel position of the character cell on frame F
506 #define CHAR_TO_PIXEL_ROW(f, row) \
507 ((f)->output_data.w32->internal_border_width \
508 + (row) * (f)->output_data.w32->line_height)
509 #define CHAR_TO_PIXEL_COL(f, col) \
510 ((f)->output_data.w32->internal_border_width \
511 + (col) * FONT_WIDTH ((f)->output_data.w32->font))
513 /* Return the pixel width/height of frame F if it has
514 WIDTH columns/HEIGHT rows. */
515 #define CHAR_TO_PIXEL_WIDTH(f, width) \
516 (CHAR_TO_PIXEL_COL (f, width) \
517 + (f)->output_data.w32->vertical_scroll_bar_extra \
518 + (f)->output_data.w32->internal_border_width)
519 #define CHAR_TO_PIXEL_HEIGHT(f, height) \
520 (CHAR_TO_PIXEL_ROW (f, height) \
521 + (f)->output_data.w32->internal_border_width)
524 /* Return the row/column (zero-based) of the character cell containing
525 the pixel on FRAME at ROW/COL. */
526 #define PIXEL_TO_CHAR_ROW(f, row) \
527 (((row) - (f)->output_data.w32->internal_border_width) \
528 / (f)->output_data.w32->line_height)
529 #define PIXEL_TO_CHAR_COL(f, col) \
530 (((col) - (f)->output_data.w32->internal_border_width) \
531 / FONT_WIDTH ((f)->output_data.w32->font))
533 /* How many columns/rows of text can we fit in WIDTH/HEIGHT pixels on
535 #define PIXEL_TO_CHAR_WIDTH(f, width) \
536 (PIXEL_TO_CHAR_COL (f, ((width) \
537 - (f)->output_data.w32->internal_border_width \
538 - (f)->output_data.w32->vertical_scroll_bar_extra)))
539 #define PIXEL_TO_CHAR_HEIGHT(f, height) \
540 (PIXEL_TO_CHAR_ROW (f, ((height) \
541 - (f)->output_data.w32->internal_border_width)))
543 /* Interface to the face code functions. */
545 /* Create the first two computed faces for a frame -- the ones that
547 extern void init_frame_faces (/* FRAME_PTR */);
549 /* Free the resources for the faces associated with a frame. */
550 extern void free_frame_faces (/* FRAME_PTR */);
552 /* Given a computed face, find or make an equivalent display face
553 in face_vector, and return a pointer to it. */
554 extern struct face
*intern_face (/* FRAME_PTR, struct face * */);
556 /* Given a frame and a face name, return the face's ID number, or
557 zero if it isn't a recognized face name. */
558 extern int face_name_id_number (/* FRAME_PTR, Lisp_Object */);
560 /* Return non-zero if FONT1 and FONT2 have the same size bounding box.
561 We assume that they're both character-cell fonts. */
562 extern int same_size_fonts (/* XFontStruct *, XFontStruct * */);
564 /* Recompute the GC's for the default and modeline faces.
565 We call this after changing frame parameters on which those GC's
567 extern void recompute_basic_faces (/* FRAME_PTR */);
569 /* Return the face ID associated with a buffer position POS. Store
570 into *ENDPTR the next position at which a different face is
571 needed. This does not take account of glyphs that specify their
572 own face codes. F is the frame in use for display, and W is a
573 window displaying the current buffer.
575 REGION_BEG, REGION_END delimit the region, so it can be highlighted. */
576 extern int compute_char_face (/* FRAME_PTR frame,
579 int region_beg, int region_end,
581 /* Return the face ID to use to display a special glyph which selects
582 FACE_CODE as the face ID, assuming that ordinarily the face would
583 be BASIC_FACE. F is the frame. */
584 extern int compute_glyph_face (/* FRAME_PTR, int */);
586 extern void w32_fill_rect ();
587 extern void w32_clear_window ();
589 #define w32_fill_area(f,hdc,pix,x,y,nx,ny) \
594 rect.right = x + nx; \
595 rect.bottom = y + ny; \
596 w32_fill_rect (f,hdc,pix,&rect); \
599 #define w32_clear_rect(f,hdc,lprect) \
600 w32_fill_rect (f,hdc,f->output_data.w32->background_pixel,lprect)
602 #define w32_clear_area(f,hdc,x,y,nx,ny) \
603 w32_fill_area (f,hdc,f->output_data.w32->background_pixel,x,y,nx,ny)
605 extern struct font_info
*w32_load_font ();
606 extern void w32_unload_font ();
608 /* Define for earlier versions of Visual C */
609 #ifndef WM_MOUSEWHEEL
610 #define WM_MOUSEWHEEL (WM_MOUSELAST + 1)
611 #endif /* WM_MOUSEWHEEL */
612 #ifndef MSH_MOUSEWHEEL
613 #define MSH_MOUSEWHEEL "MSWHEEL_ROLLMSG"
614 #endif /* MSH_MOUSEWHEEL */
616 #define WM_EMACS_START (WM_USER + 1)
617 #define WM_EMACS_KILL (WM_EMACS_START + 0)
618 #define WM_EMACS_CREATEWINDOW (WM_EMACS_START + 1)
619 #define WM_EMACS_DONE (WM_EMACS_START + 2)
620 #define WM_EMACS_CREATESCROLLBAR (WM_EMACS_START + 3)
621 #define WM_EMACS_SHOWWINDOW (WM_EMACS_START + 4)
622 #define WM_EMACS_SETWINDOWPOS (WM_EMACS_START + 5)
623 #define WM_EMACS_DESTROYWINDOW (WM_EMACS_START + 6)
624 #define WM_EMACS_TRACKPOPUPMENU (WM_EMACS_START + 7)
625 #define WM_EMACS_SETFOCUS (WM_EMACS_START + 8)
626 #define WM_EMACS_SETFOREGROUND (WM_EMACS_START + 9)
627 #define WM_EMACS_SETLOCALE (WM_EMACS_START + 10)
628 #define WM_EMACS_SETKEYBOARDLAYOUT (WM_EMACS_START + 11)
629 #define WM_EMACS_REGISTER_HOT_KEY (WM_EMACS_START + 12)
630 #define WM_EMACS_UNREGISTER_HOT_KEY (WM_EMACS_START + 13)
631 #define WM_EMACS_END (WM_EMACS_START + 14)
633 #define WND_FONTWIDTH_INDEX (0)
634 #define WND_LINEHEIGHT_INDEX (4)
635 #define WND_BORDER_INDEX (8)
636 #define WND_SCROLLBAR_INDEX (12)
637 #define WND_BACKGROUND_INDEX (16)
638 #define WND_LAST_INDEX (20)
640 #define WND_EXTRA_BYTES (WND_LAST_INDEX)
642 extern DWORD dwWindowsThreadId
;
643 extern HANDLE hWindowsThread
;
644 extern DWORD dwMainThreadId
;
645 extern HANDLE hMainThread
;
647 typedef struct W32Msg
{
653 /* Structure for recording message when input thread must return a
654 result that depends on lisp thread to compute. Lisp thread can
655 complete deferred messages out of order. */
656 typedef struct deferred_msg
658 struct deferred_msg
* next
;
664 extern CRITICAL_SECTION critsect
;
666 extern void init_crit ();
667 extern void delete_crit ();
669 extern void signal_quit ();
671 #define enter_crit() EnterCriticalSection (&critsect)
672 #define leave_crit() LeaveCriticalSection (&critsect)
674 extern void select_palette (struct frame
* f
, HDC hdc
);
675 extern void deselect_palette (struct frame
* f
, HDC hdc
);
676 extern HDC
get_frame_dc (struct frame
* f
);
677 extern int release_frame_dc (struct frame
* f
, HDC hDC
);
679 extern BOOL
get_next_msg ();
680 extern BOOL
post_msg ();
681 extern void complete_deferred_msg (HWND hwnd
, UINT msg
, LRESULT result
);
682 extern void wait_for_sync ();
684 extern BOOL
parse_button ();
686 /* Keypad command key support. W32 doesn't have virtual keys defined
687 for the function keys on the keypad (they are mapped to the standard
688 fuction keys), so we define our own. */
689 #define VK_NUMPAD_BEGIN 0x92
690 #define VK_NUMPAD_CLEAR (VK_NUMPAD_BEGIN + 0)
691 #define VK_NUMPAD_ENTER (VK_NUMPAD_BEGIN + 1)
692 #define VK_NUMPAD_PRIOR (VK_NUMPAD_BEGIN + 2)
693 #define VK_NUMPAD_NEXT (VK_NUMPAD_BEGIN + 3)
694 #define VK_NUMPAD_END (VK_NUMPAD_BEGIN + 4)
695 #define VK_NUMPAD_HOME (VK_NUMPAD_BEGIN + 5)
696 #define VK_NUMPAD_LEFT (VK_NUMPAD_BEGIN + 6)
697 #define VK_NUMPAD_UP (VK_NUMPAD_BEGIN + 7)
698 #define VK_NUMPAD_RIGHT (VK_NUMPAD_BEGIN + 8)
699 #define VK_NUMPAD_DOWN (VK_NUMPAD_BEGIN + 9)
700 #define VK_NUMPAD_INSERT (VK_NUMPAD_BEGIN + 10)
701 #define VK_NUMPAD_DELETE (VK_NUMPAD_BEGIN + 11)
704 /* Older compiler environments don't have these defined. */
710 /* Support for treating Windows and Apps keys as modifiers. These
711 constants must not overlap with any of the dwControlKeyState flags in
713 #define LEFT_WIN_PRESSED 0x8000
714 #define RIGHT_WIN_PRESSED 0x4000
715 #define APPS_PRESSED 0x2000