Don't overide default value of diary-file.
[emacs.git] / src / w32term.h
blob4c7c7a19a7f8087b90e3b39d706387f54b1b0e80
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)
9 any later version.
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 */
23 #include <w32gui.h>
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) \
36 if (NILP (frame)) \
37 f = selected_frame; \
38 else \
39 { \
40 CHECK_LIVE_FRAME (frame, 0); \
41 f = XFRAME (frame); \
42 } \
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 */
48 extern MSG CurMsg;
49 extern BOOL bUseDflt;
51 extern struct frame *x_window_to_frame ();
53 enum text_cursor_kinds {
54 filled_box_cursor, hollow_box_cursor, bar_cursor
57 /* This data type is used for the font_table field
58 of struct w32_display_info. */
60 struct font_info
62 XFontStruct *font;
63 char *name;
66 /* Structure recording bitmaps and reference count.
67 If REFCOUNT is 0 then this record is free to be reused. */
69 struct w32_bitmap_record
71 Pixmap pixmap;
72 char *file;
73 HINSTANCE hinst; /* Used to load the file */
74 int refcount;
75 /* Record some info about this pixmap. */
76 int height, width, depth;
79 /* Palette book-keeping stuff for mapping requested colors into the
80 system palette. Keep a ref-counted list of requested colors and
81 regenerate the app palette whenever the requested list changes. */
83 extern Lisp_Object Vw32_enable_palette;
85 struct w32_palette_entry {
86 struct w32_palette_entry * next;
87 PALETTEENTRY entry;
88 #if 0
89 unsigned refcount;
90 #endif
93 extern void w32_regenerate_palette(struct frame *f);
96 /* For each display (currently only one on w32), we have a structure that
97 records information about it. */
99 struct w32_display_info
101 /* Chain of all w32_display_info structures. */
102 struct w32_display_info *next;
103 /* This is a cons cell of the form (NAME . FONT-LIST-CACHE).
104 The same cons cell also appears in x_display_name_list. */
105 Lisp_Object name_list_element;
106 /* Number of frames that are on this display. */
107 int reference_count;
108 /* Number of planes on this screen. */
109 int n_planes;
110 /* Number of bits per pixel on this screen. */
111 int n_cbits;
112 /* Dimensions of this screen. */
113 int height, width;
114 int height_in,width_in;
115 /* Mask of things that cause the mouse to be grabbed. */
116 int grabbed;
117 /* The root window of this screen. */
118 Window root_window;
119 /* The cursor to use for vertical scroll bars. */
120 Cursor vertical_scroll_bar_cursor;
122 /* color palette information */
123 int has_palette;
124 struct w32_palette_entry * color_list;
125 unsigned num_colors;
126 HPALETTE palette;
128 /* deferred action flags checked when starting frame update */
129 int regen_palette;
131 /* A table of all the fonts we have already loaded. */
132 struct font_info *font_table;
134 /* The current capacity of x_font_table. */
135 int font_table_size;
137 /* These variables describe the range of text currently shown
138 in its mouse-face, together with the window they apply to.
139 As long as the mouse stays within this range, we need not
140 redraw anything on its account. */
141 int mouse_face_beg_row, mouse_face_beg_col;
142 int mouse_face_end_row, mouse_face_end_col;
143 int mouse_face_past_end;
144 Lisp_Object mouse_face_window;
145 int mouse_face_face_id;
147 /* 1 if a mouse motion event came and we didn't handle it right away because
148 gc was in progress. */
149 int mouse_face_deferred_gc;
151 /* FRAME and X, Y position of mouse when last checked for
152 highlighting. X and Y can be negative or out of range for the frame. */
153 struct frame *mouse_face_mouse_frame;
154 int mouse_face_mouse_x, mouse_face_mouse_y;
156 /* Nonzero means defer mouse-motion highlighting. */
157 int mouse_face_defer;
159 char *w32_id_name;
161 /* The number of fonts actually stored in w32_font_table.
162 font_table[n] is used and valid iff 0 <= n < n_fonts.
163 0 <= n_fonts <= font_table_size. */
164 int n_fonts;
166 /* Pointer to bitmap records. */
167 struct w32_bitmap_record *bitmaps;
169 /* Allocated size of bitmaps field. */
170 int bitmaps_size;
172 /* Last used bitmap index. */
173 int bitmaps_last;
175 /* The frame (if any) which has the window that has keyboard focus.
176 Zero if none. This is examined by Ffocus_frame in w32fns.c. Note
177 that a mere EnterNotify event can set this; if you need to know the
178 last frame specified in a FocusIn or FocusOut event, use
179 w32_focus_event_frame. */
180 struct frame *w32_focus_frame;
182 /* The last frame mentioned in a FocusIn or FocusOut event. This is
183 separate from w32_focus_frame, because whether or not LeaveNotify
184 events cause us to lose focus depends on whether or not we have
185 received a FocusIn event for it. */
186 struct frame *w32_focus_event_frame;
188 /* The frame which currently has the visual highlight, and should get
189 keyboard input (other sorts of input have the frame encoded in the
190 event). It points to the focus frame's selected window's
191 frame. It differs from w32_focus_frame when we're using a global
192 minibuffer. */
193 struct frame *w32_highlight_frame;
196 /* This is a chain of structures for all the displays currently in use. */
197 extern struct w32_display_info one_w32_display_info;
199 /* This is a list of cons cells, each of the form (NAME . FONT-LIST-CACHE),
200 one for each element of w32_display_list and in the same order.
201 NAME is the name of the frame.
202 FONT-LIST-CACHE records previous values returned by x-list-fonts. */
203 extern Lisp_Object w32_display_name_list;
205 extern struct w32_display_info *x_display_info_for_display ();
206 extern struct w32_display_info *x_display_info_for_name ();
208 extern struct w32_display_info *w32_term_init ();
210 /* Each W32 frame object points to its own struct w32_display object
211 in the output_data.w32 field. The w32_display structure contains all
212 the information that is specific to W32 windows. */
214 struct w32_output
216 /* Menubar "widget" handle. */
217 HMENU menubar_widget;
219 /* Original palette (used to deselect real palette after drawing) */
220 HPALETTE old_palette;
222 /* Position of the W32 window (x and y offsets in root window). */
223 int left_pos;
224 int top_pos;
226 /* Border width of the W32 window as known by the window system. */
227 int border_width;
229 /* Size of the W32 window in pixels. */
230 int pixel_height, pixel_width;
232 /* Height of a line, in pixels. */
233 int line_height;
235 /* Width of the internal border. This is a line of background color
236 just inside the window's border. When the frame is selected,
237 a highlighting is displayed inside the internal border. */
238 int internal_border_width;
240 /* The window used for this frame.
241 May be zero while the frame object is being created
242 and the window has not yet been created. */
243 Window window_desc;
245 /* The window that is the parent of this window.
246 Usually this is a window that was made by the window manager,
247 but it can be the root window, and it can be explicitly specified
248 (see the explicit_parent field, below). */
249 Window parent_desc;
251 XFontStruct *font;
253 /* Pixel values used for various purposes.
254 border_pixel may be -1 meaning use a gray tile. */
255 unsigned long background_pixel;
256 unsigned long foreground_pixel;
257 unsigned long cursor_pixel;
258 unsigned long border_pixel;
259 unsigned long mouse_pixel;
260 unsigned long cursor_foreground_pixel;
262 /* Descriptor for the cursor in use for this window. */
263 Cursor text_cursor;
264 Cursor nontext_cursor;
265 Cursor modeline_cursor;
266 Cursor cross_cursor;
268 /* Flag to set when the window needs to be completely repainted. */
269 int needs_exposure;
271 /* What kind of text cursor is drawn in this window right now?
272 (If there is no cursor (phys_cursor_x < 0), then this means nothing.) */
273 enum text_cursor_kinds current_cursor;
275 /* What kind of text cursor should we draw in the future?
276 This should always be filled_box_cursor or bar_cursor. */
277 enum text_cursor_kinds desired_cursor;
279 /* Width of bar cursor (if we are using that). */
280 int cursor_width;
282 DWORD dwStyle;
284 /* The size of the extra width currently allotted for vertical
285 scroll bars, in pixels. */
286 int vertical_scroll_bar_extra;
288 /* Table of parameter faces for this frame. Any resources (pixel
289 values, fonts) referred to here have been allocated explicitly
290 for this face, and should be freed if we change the face. */
291 struct face **param_faces;
292 int n_param_faces;
294 /* Table of computed faces for this frame. These are the faces
295 whose indexes go into the upper bits of a glyph, computed by
296 combining the parameter faces specified by overlays, text
297 properties, and what have you. The resources mentioned here
298 are all shared with parameter faces. */
299 struct face **computed_faces;
300 int n_computed_faces; /* How many are valid */
301 int size_computed_faces; /* How many are allocated */
303 /* This is the gravity value for the specified window position. */
304 int win_gravity;
306 /* The geometry flags for this window. */
307 int size_hint_flags;
309 /* This is the Emacs structure for the display this frame is on. */
310 /* struct w32_display_info *display_info; */
312 /* Nonzero means our parent is another application's window
313 and was explicitly specified. */
314 char explicit_parent;
316 /* Nonzero means tried already to make this frame visible. */
317 char asked_for_visible;
319 /* Nonzero means menubar is currently active. */
320 char menubar_active;
322 /* Nonzero means menubar is about to become active, but should be
323 brought up to date first. */
324 volatile char pending_menu_activation;
327 /* Get at the computed faces of an X window frame. */
328 #define FRAME_PARAM_FACES(f) ((f)->output_data.w32->param_faces)
329 #define FRAME_N_PARAM_FACES(f) ((f)->output_data.w32->n_param_faces)
330 #define FRAME_DEFAULT_PARAM_FACE(f) (FRAME_PARAM_FACES (f)[0])
331 #define FRAME_MODE_LINE_PARAM_FACE(f) (FRAME_PARAM_FACES (f)[1])
333 #define FRAME_COMPUTED_FACES(f) ((f)->output_data.w32->computed_faces)
334 #define FRAME_N_COMPUTED_FACES(f) ((f)->output_data.w32->n_computed_faces)
335 #define FRAME_SIZE_COMPUTED_FACES(f) ((f)->output_data.w32->size_computed_faces)
336 #define FRAME_DEFAULT_FACE(f) ((f)->output_data.w32->computed_faces[0])
337 #define FRAME_MODE_LINE_FACE(f) ((f)->output_data.w32->computed_faces[1])
339 /* Return the window associated with the frame F. */
340 #define FRAME_W32_WINDOW(f) ((f)->output_data.w32->window_desc)
342 #define FRAME_FOREGROUND_PIXEL(f) ((f)->output_data.w32->foreground_pixel)
343 #define FRAME_BACKGROUND_PIXEL(f) ((f)->output_data.w32->background_pixel)
344 #define FRAME_FONT(f) ((f)->output_data.w32->font)
345 #define FRAME_INTERNAL_BORDER_WIDTH(f) ((f)->output_data.w32->internal_border_width)
347 /* This gives the w32_display_info structure for the display F is on. */
348 #define FRAME_W32_DISPLAY_INFO(f) (&one_w32_display_info)
350 /* These two really ought to be called FRAME_PIXEL_{WIDTH,HEIGHT}. */
351 #define PIXEL_WIDTH(f) ((f)->output_data.w32->pixel_width)
352 #define PIXEL_HEIGHT(f) ((f)->output_data.w32->pixel_height)
353 #define FRAME_LINE_HEIGHT(f) ((f)->output_data.w32->line_height)
355 #define FRAME_DESIRED_CURSOR(f) ((f)->output_data.w32->desired_cursor)
358 /* W32-specific scroll bar stuff. */
360 /* We represent scroll bars as lisp vectors. This allows us to place
361 references to them in windows without worrying about whether we'll
362 end up with windows referring to dead scroll bars; the garbage
363 collector will free it when its time comes.
365 We use struct scroll_bar as a template for accessing fields of the
366 vector. */
368 struct scroll_bar {
370 /* These fields are shared by all vectors. */
371 EMACS_INT size_from_Lisp_Vector_struct;
372 struct Lisp_Vector *next_from_Lisp_Vector_struct;
374 /* The window we're a scroll bar for. */
375 Lisp_Object window;
377 /* The next and previous in the chain of scroll bars in this frame. */
378 Lisp_Object next, prev;
380 /* The window representing this scroll bar. Since this is a full
381 32-bit quantity, we store it split into two 32-bit values. */
382 Lisp_Object w32_window_low, w32_window_high;
384 /* The position and size of the scroll bar in pixels, relative to the
385 frame. */
386 Lisp_Object top, left, width, height;
388 /* The starting and ending positions of the handle, relative to the
389 handle area (i.e. zero is the top position, not
390 SCROLL_BAR_TOP_BORDER). If they're equal, that means the handle
391 hasn't been drawn yet.
393 These are not actually the locations where the beginning and end
394 are drawn; in order to keep handles from becoming invisible when
395 editing large files, we establish a minimum height by always
396 drawing handle bottoms VERTICAL_SCROLL_BAR_MIN_HANDLE pixels below
397 where they would be normally; the bottom and top are in a
398 different co-ordinate system. */
399 Lisp_Object start, end;
401 /* If the scroll bar handle is currently being dragged by the user,
402 this is the number of pixels from the top of the handle to the
403 place where the user grabbed it. If the handle isn't currently
404 being dragged, this is Qnil. */
405 Lisp_Object dragging;
408 /* The number of elements a vector holding a struct scroll_bar needs. */
409 #define SCROLL_BAR_VEC_SIZE \
410 ((sizeof (struct scroll_bar) \
411 - sizeof (EMACS_INT) - sizeof (struct Lisp_Vector *)) \
412 / sizeof (Lisp_Object))
414 /* Turning a lisp vector value into a pointer to a struct scroll_bar. */
415 #define XSCROLL_BAR(vec) ((struct scroll_bar *) XVECTOR (vec))
418 /* Building a 32-bit C integer from two 16-bit lisp integers. */
419 #define SCROLL_BAR_PACK(low, high) (XINT (high) << 16 | XINT (low))
421 /* Setting two lisp integers to the low and high words of a 32-bit C int. */
422 #define SCROLL_BAR_UNPACK(low, high, int32) \
423 (XSETINT ((low), (int32) & 0xffff), \
424 XSETINT ((high), ((int32) >> 16) & 0xffff))
427 /* Extract the window id of the scroll bar from a struct scroll_bar. */
428 #define SCROLL_BAR_W32_WINDOW(ptr) \
429 ((Window) SCROLL_BAR_PACK ((ptr)->w32_window_low, (ptr)->w32_window_high))
431 /* Store a window id in a struct scroll_bar. */
432 #define SET_SCROLL_BAR_W32_WINDOW(ptr, id) \
433 (SCROLL_BAR_UNPACK ((ptr)->w32_window_low, (ptr)->w32_window_high, (int) id))
436 /* Return the outside pixel height for a vertical scroll bar HEIGHT
437 rows high on frame F. */
438 #define VERTICAL_SCROLL_BAR_PIXEL_HEIGHT(f, height) \
439 ((height) * (f)->output_data.w32->line_height)
441 /* Return the inside width of a vertical scroll bar, given the outside
442 width. */
443 #define VERTICAL_SCROLL_BAR_INSIDE_WIDTH(width) \
444 ((width) - VERTICAL_SCROLL_BAR_LEFT_BORDER - VERTICAL_SCROLL_BAR_RIGHT_BORDER)
446 /* Return the length of the rectangle within which the top of the
447 handle must stay. This isn't equivalent to the inside height,
448 because the scroll bar handle has a minimum height.
450 This is the real range of motion for the scroll bar, so when we're
451 scaling buffer positions to scroll bar positions, we use this, not
452 VERTICAL_SCROLL_BAR_INSIDE_HEIGHT. */
453 #define VERTICAL_SCROLL_BAR_TOP_RANGE(height) \
454 (VERTICAL_SCROLL_BAR_INSIDE_HEIGHT (height) - VERTICAL_SCROLL_BAR_MIN_HANDLE)
456 /* Return the inside height of vertical scroll bar, given the outside
457 height. See VERTICAL_SCROLL_BAR_TOP_RANGE too. */
458 #define VERTICAL_SCROLL_BAR_INSIDE_HEIGHT(height) \
459 ((height) - VERTICAL_SCROLL_BAR_TOP_BORDER - VERTICAL_SCROLL_BAR_BOTTOM_BORDER)
462 /* Border widths for scroll bars.
464 Scroll bar windows don't have any borders; their border width is
465 set to zero, and we redraw borders ourselves. This makes the code
466 a bit cleaner, since we don't have to convert between outside width
467 (used when relating to the rest of the screen) and inside width
468 (used when sizing and drawing the scroll bar window itself).
470 The handle moves up and down/back and forth in a rectangle inset
471 from the edges of the scroll bar. These are widths by which we
472 inset the handle boundaries from the scroll bar edges. */
473 #define VERTICAL_SCROLL_BAR_LEFT_BORDER (0)
474 #define VERTICAL_SCROLL_BAR_RIGHT_BORDER (0)
475 #define VERTICAL_SCROLL_BAR_TOP_BORDER (vertical_scroll_bar_top_border)
476 #define VERTICAL_SCROLL_BAR_BOTTOM_BORDER (vertical_scroll_bar_bottom_border)
478 /* Minimum lengths for scroll bar handles, in pixels. */
479 #define VERTICAL_SCROLL_BAR_MIN_HANDLE (vertical_scroll_bar_min_handle)
483 /* Manipulating pixel sizes and character sizes.
484 Knowledge of which factors affect the overall size of the window should
485 be hidden in these macros, if that's possible.
487 Return the upper/left pixel position of the character cell on frame F
488 at ROW/COL. */
489 #define CHAR_TO_PIXEL_ROW(f, row) \
490 ((f)->output_data.w32->internal_border_width \
491 + (row) * (f)->output_data.w32->line_height)
492 #define CHAR_TO_PIXEL_COL(f, col) \
493 ((f)->output_data.w32->internal_border_width \
494 + (col) * FONT_WIDTH ((f)->output_data.w32->font))
496 /* Return the pixel width/height of frame F if it has
497 WIDTH columns/HEIGHT rows. */
498 #define CHAR_TO_PIXEL_WIDTH(f, width) \
499 (CHAR_TO_PIXEL_COL (f, width) \
500 + (f)->output_data.w32->vertical_scroll_bar_extra \
501 + (f)->output_data.w32->internal_border_width)
502 #define CHAR_TO_PIXEL_HEIGHT(f, height) \
503 (CHAR_TO_PIXEL_ROW (f, height) \
504 + (f)->output_data.w32->internal_border_width)
507 /* Return the row/column (zero-based) of the character cell containing
508 the pixel on FRAME at ROW/COL. */
509 #define PIXEL_TO_CHAR_ROW(f, row) \
510 (((row) - (f)->output_data.w32->internal_border_width) \
511 / (f)->output_data.w32->line_height)
512 #define PIXEL_TO_CHAR_COL(f, col) \
513 (((col) - (f)->output_data.w32->internal_border_width) \
514 / FONT_WIDTH ((f)->output_data.w32->font))
516 /* How many columns/rows of text can we fit in WIDTH/HEIGHT pixels on
517 frame F? */
518 #define PIXEL_TO_CHAR_WIDTH(f, width) \
519 (PIXEL_TO_CHAR_COL (f, ((width) \
520 - (f)->output_data.w32->internal_border_width \
521 - (f)->output_data.w32->vertical_scroll_bar_extra)))
522 #define PIXEL_TO_CHAR_HEIGHT(f, height) \
523 (PIXEL_TO_CHAR_ROW (f, ((height) \
524 - (f)->output_data.w32->internal_border_width)))
526 /* Interface to the face code functions. */
528 /* Create the first two computed faces for a frame -- the ones that
529 have GC's. */
530 extern void init_frame_faces (/* FRAME_PTR */);
532 /* Free the resources for the faces associated with a frame. */
533 extern void free_frame_faces (/* FRAME_PTR */);
535 /* Given a computed face, find or make an equivalent display face
536 in face_vector, and return a pointer to it. */
537 extern struct face *intern_face (/* FRAME_PTR, struct face * */);
539 /* Given a frame and a face name, return the face's ID number, or
540 zero if it isn't a recognized face name. */
541 extern int face_name_id_number (/* FRAME_PTR, Lisp_Object */);
543 /* Return non-zero if FONT1 and FONT2 have the same size bounding box.
544 We assume that they're both character-cell fonts. */
545 extern int same_size_fonts (/* XFontStruct *, XFontStruct * */);
547 /* Recompute the GC's for the default and modeline faces.
548 We call this after changing frame parameters on which those GC's
549 depend. */
550 extern void recompute_basic_faces (/* FRAME_PTR */);
552 /* Return the face ID associated with a buffer position POS. Store
553 into *ENDPTR the next position at which a different face is
554 needed. This does not take account of glyphs that specify their
555 own face codes. F is the frame in use for display, and W is a
556 window displaying the current buffer.
558 REGION_BEG, REGION_END delimit the region, so it can be highlighted. */
559 extern int compute_char_face (/* FRAME_PTR frame,
560 struct window *w,
561 int pos,
562 int region_beg, int region_end,
563 int *endptr */);
564 /* Return the face ID to use to display a special glyph which selects
565 FACE_CODE as the face ID, assuming that ordinarily the face would
566 be BASIC_FACE. F is the frame. */
567 extern int compute_glyph_face (/* FRAME_PTR, int */);
569 extern void w32_fill_rect ();
570 extern void w32_clear_window ();
572 #define w32_fill_area(f,hdc,pix,x,y,nx,ny) \
574 RECT rect; \
575 rect.left = x; \
576 rect.top = y; \
577 rect.right = x + nx; \
578 rect.bottom = y + ny; \
579 w32_fill_rect (f,hdc,pix,&rect); \
582 #define w32_clear_rect(f,hdc,lprect) \
583 w32_fill_rect (f,hdc,f->output_data.w32->background_pixel,lprect)
585 #define w32_clear_area(f,hdc,x,y,nx,ny) \
586 w32_fill_area (f,hdc,f->output_data.w32->background_pixel,x,y,nx,ny)
588 extern XFontStruct *w32_load_font ();
589 extern void w32_unload_font ();
591 /* Define for earlier versions of Visual C */
592 #ifndef WM_MOUSEWHEEL
593 #define WM_MOUSEWHEEL (WM_MOUSELAST + 1)
594 #endif /* WM_MOUSEWHEEL */
595 #ifndef MSH_MOUSEWHEEL
596 #define MSH_MOUSEWHEEL "MSWHEEL_ROLLMSG"
597 #endif /* MSH_MOUSEWHEEL */
599 #define WM_EMACS_START (WM_USER + 1)
600 #define WM_EMACS_KILL (WM_EMACS_START + 0x00)
601 #define WM_EMACS_CREATEWINDOW (WM_EMACS_START + 0x01)
602 #define WM_EMACS_DONE (WM_EMACS_START + 0x02)
603 #define WM_EMACS_CREATESCROLLBAR (WM_EMACS_START + 0x03)
604 #define WM_EMACS_SHOWWINDOW (WM_EMACS_START + 0x04)
605 #define WM_EMACS_SETWINDOWPOS (WM_EMACS_START + 0x05)
606 #define WM_EMACS_DESTROYWINDOW (WM_EMACS_START + 0x06)
607 #define WM_EMACS_TRACKPOPUPMENU (WM_EMACS_START + 0x07)
608 #define WM_EMACS_SETFOCUS (WM_EMACS_START + 0x08)
609 #define WM_EMACS_SETFOREGROUND (WM_EMACS_START + 0x09)
610 #define WM_EMACS_SETLOCALE (WM_EMACS_START + 0x0a)
611 #define WM_EMACS_END (WM_EMACS_START + 0x0b)
613 #define WND_FONTWIDTH_INDEX (0)
614 #define WND_LINEHEIGHT_INDEX (4)
615 #define WND_BORDER_INDEX (8)
616 #define WND_SCROLLBAR_INDEX (12)
617 #define WND_BACKGROUND_INDEX (16)
618 #define WND_LAST_INDEX (20)
620 #define WND_EXTRA_BYTES (WND_LAST_INDEX)
622 extern DWORD dwWindowsThreadId;
623 extern HANDLE hWindowsThread;
624 extern DWORD dwMainThreadId;
625 extern HANDLE hMainThread;
627 typedef struct W32Msg {
628 MSG msg;
629 DWORD dwModifiers;
630 RECT rect;
631 } W32Msg;
633 /* Structure for recording message when input thread must return a
634 result that depends on lisp thread to compute. Lisp thread can
635 complete deferred messages out of order. */
636 typedef struct deferred_msg
638 struct deferred_msg * next;
639 W32Msg w32msg;
640 LRESULT result;
641 int completed;
642 } deferred_msg;
644 extern CRITICAL_SECTION critsect;
646 extern void init_crit ();
647 extern void delete_crit ();
649 extern void signal_quit ();
651 #define enter_crit() EnterCriticalSection (&critsect)
652 #define leave_crit() LeaveCriticalSection (&critsect)
654 extern void select_palette (struct frame * f, HDC hdc);
655 extern void deselect_palette (struct frame * f, HDC hdc);
656 extern HDC get_frame_dc (struct frame * f);
657 extern int release_frame_dc (struct frame * f, HDC hDC);
659 extern BOOL get_next_msg ();
660 extern BOOL post_msg ();
661 extern void complete_deferred_msg (HWND hwnd, UINT msg, LRESULT result);
662 extern void wait_for_sync ();
664 extern BOOL parse_button ();
666 /* Keypad command key support. W32 doesn't have virtual keys defined
667 for the function keys on the keypad (they are mapped to the standard
668 fuction keys), so we define our own. */
669 #define VK_NUMPAD_BEGIN 0x92
670 #define VK_NUMPAD_CLEAR (VK_NUMPAD_BEGIN + 0)
671 #define VK_NUMPAD_ENTER (VK_NUMPAD_BEGIN + 1)
672 #define VK_NUMPAD_PRIOR (VK_NUMPAD_BEGIN + 2)
673 #define VK_NUMPAD_NEXT (VK_NUMPAD_BEGIN + 3)
674 #define VK_NUMPAD_END (VK_NUMPAD_BEGIN + 4)
675 #define VK_NUMPAD_HOME (VK_NUMPAD_BEGIN + 5)
676 #define VK_NUMPAD_LEFT (VK_NUMPAD_BEGIN + 6)
677 #define VK_NUMPAD_UP (VK_NUMPAD_BEGIN + 7)
678 #define VK_NUMPAD_RIGHT (VK_NUMPAD_BEGIN + 8)
679 #define VK_NUMPAD_DOWN (VK_NUMPAD_BEGIN + 9)
680 #define VK_NUMPAD_INSERT (VK_NUMPAD_BEGIN + 10)
681 #define VK_NUMPAD_DELETE (VK_NUMPAD_BEGIN + 11)
683 #ifndef VK_LWIN
684 /* Older compiler environments don't have these defined. */
685 #define VK_LWIN 0x5B
686 #define VK_RWIN 0x5C
687 #define VK_APPS 0x5D
688 #endif