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[emacs.git] / src / w32term.h
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1 /* Definitions and headers for communication on the Microsoft Windows API.
2 Copyright (C) 1995, 2001-2012 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 3 of the License, or
9 (at your option) 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. If not, see <http://www.gnu.org/licenses/>. */
19 /* Added by Kevin Gallo */
21 #include "w32gui.h"
22 #include "frame.h"
23 #include "atimer.h"
26 #define BLACK_PIX_DEFAULT(f) PALETTERGB(0,0,0)
27 #define WHITE_PIX_DEFAULT(f) PALETTERGB(255,255,255)
29 #define FONT_WIDTH(f) ((f)->max_width)
30 #define FONT_HEIGHT(f) ((f)->height)
31 #define FONT_BASE(f) ((f)->ascent)
32 #define FONT_DESCENT(f) ((f)->descent)
34 #define CP_DEFAULT 1004
36 #define CHECK_W32_FRAME(f, frame) \
37 if (NILP (frame)) \
38 f = SELECTED_FRAME (); \
39 else \
40 { \
41 CHECK_LIVE_FRAME (frame, 0); \
42 f = XFRAME (frame); \
43 } \
44 if (! FRAME_W32_P (f))
46 /* Indicates whether we are in the readsocket call and the message we
47 are processing in the current loop */
49 extern MSG CurMsg;
50 extern BOOL bUseDflt;
52 /* Structure recording bitmaps and reference count.
53 If REFCOUNT is 0 then this record is free to be reused. */
55 struct w32_bitmap_record
57 Pixmap pixmap;
58 char *file;
59 HINSTANCE hinst; /* Used to load the file */
60 int refcount;
61 /* Record some info about this pixmap. */
62 int height, width, depth;
65 struct w32_palette_entry {
66 struct w32_palette_entry * next;
67 PALETTEENTRY entry;
68 #if 0
69 unsigned refcount;
70 #endif
73 extern void w32_regenerate_palette (struct frame *f);
76 /* For each display (currently only one on w32), we have a structure that
77 records information about it. */
79 struct w32_display_info
81 /* Chain of all w32_display_info structures. */
82 struct w32_display_info *next;
84 /* The generic display parameters corresponding to this w32 display. */
85 struct terminal *terminal;
87 /* This is a cons cell of the form (NAME . FONT-LIST-CACHE).
88 The same cons cell also appears in x_display_name_list. */
89 Lisp_Object name_list_element;
91 /* Number of frames that are on this display. */
92 int reference_count;
94 /* Dots per inch of the screen. */
95 double resx, resy;
97 /* Number of planes on this screen. */
98 int n_planes;
100 /* Number of bits per pixel on this screen. */
101 int n_cbits;
103 /* Mask of things that cause the mouse to be grabbed. */
104 int grabbed;
106 /* Emacs bitmap-id of the default icon bitmap for this frame.
107 Or -1 if none has been allocated yet. */
108 ptrdiff_t icon_bitmap_id;
110 /* The root window of this screen. */
111 Window root_window;
113 /* The cursor to use for vertical scroll bars. */
114 Cursor vertical_scroll_bar_cursor;
116 /* Resource data base */
117 XrmDatabase xrdb;
119 /* color palette information. */
120 int has_palette;
121 struct w32_palette_entry * color_list;
122 unsigned num_colors;
123 HPALETTE palette;
125 /* deferred action flags checked when starting frame update. */
126 int regen_palette;
128 /* Keystroke that has been faked by Emacs and will be ignored when
129 received; value is reset after key is received. */
130 int faked_key;
132 /* Minimum width over all characters in all fonts in font_table. */
133 int smallest_char_width;
135 /* Minimum font height over all fonts in font_table. */
136 int smallest_font_height;
138 /* Reusable Graphics Context for drawing a cursor in a non-default face. */
139 XGCValues *scratch_cursor_gc;
141 /* Information about the range of text currently shown in
142 mouse-face. */
143 Mouse_HLInfo mouse_highlight;
145 char *w32_id_name;
147 /* The number of fonts actually stored in w32_font_table.
148 font_table[n] is used and valid if 0 <= n < n_fonts. 0 <=
149 n_fonts <= font_table_size. and font_table[i].name != 0. */
150 int n_fonts;
152 /* Pointer to bitmap records. */
153 struct w32_bitmap_record *bitmaps;
155 /* Allocated size of bitmaps field. */
156 ptrdiff_t bitmaps_size;
158 /* Last used bitmap index. */
159 ptrdiff_t bitmaps_last;
161 /* The frame (if any) which has the window that has keyboard focus.
162 Zero if none. This is examined by Ffocus_frame in w32fns.c. Note
163 that a mere EnterNotify event can set this; if you need to know the
164 last frame specified in a FocusIn or FocusOut event, use
165 w32_focus_event_frame. */
166 struct frame *w32_focus_frame;
168 /* The last frame mentioned in a FocusIn or FocusOut event. This is
169 separate from w32_focus_frame, because whether or not LeaveNotify
170 events cause us to lose focus depends on whether or not we have
171 received a FocusIn event for it. */
172 struct frame *w32_focus_event_frame;
174 /* The frame which currently has the visual highlight, and should get
175 keyboard input (other sorts of input have the frame encoded in the
176 event). It points to the focus frame's selected window's
177 frame. It differs from w32_focus_frame when we're using a global
178 minibuffer. */
179 struct frame *x_highlight_frame;
182 /* This is a chain of structures for all the displays currently in use. */
183 extern struct w32_display_info *x_display_list;
184 extern struct w32_display_info one_w32_display_info;
186 /* This is a list of cons cells, each of the form (NAME . FONT-LIST-CACHE),
187 one for each element of w32_display_list and in the same order.
188 NAME is the name of the frame.
189 FONT-LIST-CACHE records previous values returned by x-list-fonts. */
190 extern Lisp_Object w32_display_name_list;
192 extern struct frame *x_window_to_frame (struct w32_display_info *, HWND);
194 struct w32_display_info *x_display_info_for_name (Lisp_Object);
196 Lisp_Object display_x_get_resource (struct w32_display_info *,
197 Lisp_Object, Lisp_Object,
198 Lisp_Object, Lisp_Object);
200 extern void x_focus_on_frame (struct frame *f);
202 /* also defined in xterm.h XXX: factor out to common header */
204 extern struct w32_display_info *w32_term_init (Lisp_Object,
205 char *, char *);
206 extern void check_w32 (void);
207 extern int w32_defined_color (FRAME_PTR f, const char *color,
208 XColor *color_def, int alloc);
209 extern void x_set_window_size (struct frame *f, int change_grav,
210 int cols, int rows);
211 extern int x_display_pixel_height (struct w32_display_info *);
212 extern int x_display_pixel_width (struct w32_display_info *);
213 extern void x_sync (struct frame *);
214 extern Lisp_Object x_get_focus_frame (struct frame *);
215 extern void x_set_mouse_position (struct frame *f, int h, int v);
216 extern void x_set_mouse_pixel_position (struct frame *f, int pix_x, int pix_y);
217 extern void x_make_frame_visible (struct frame *f);
218 extern void x_make_frame_invisible (struct frame *f);
219 extern void x_iconify_frame (struct frame *f);
220 extern int x_char_width (struct frame *f);
221 extern int x_char_height (struct frame *f);
222 extern int x_pixel_width (struct frame *f);
223 extern int x_pixel_height (struct frame *f);
224 extern void x_set_frame_alpha (struct frame *f);
225 extern void x_set_menu_bar_lines (struct frame *, Lisp_Object, Lisp_Object);
226 extern void x_set_tool_bar_lines (struct frame *f,
227 Lisp_Object value,
228 Lisp_Object oldval);
229 extern void x_activate_menubar (struct frame *);
230 extern int x_bitmap_icon (struct frame *, Lisp_Object);
231 extern void initialize_frame_menubar (struct frame *);
232 extern void x_free_frame_resources (struct frame *);
233 extern void x_real_positions (struct frame *, int *, int *);
235 /* w32inevt.c */
236 extern int w32_kbd_patch_key (KEY_EVENT_RECORD *event, int cpId);
237 extern int w32_kbd_mods_to_emacs (DWORD mods, WORD key);
240 extern Lisp_Object x_get_focus_frame (struct frame *);
243 #define PIX_TYPE COLORREF
245 /* Each W32 frame object points to its own struct w32_display object
246 in the output_data.w32 field. The w32_display structure contains all
247 the information that is specific to W32 windows. */
249 /* Put some things in x_output for compatibility.
250 NTEMACS_TODO: Move all common things here to eliminate unnecessary
251 diffs between X and w32 code. */
252 struct x_output
254 #if 0 /* These are also defined in struct frame. Use that instead. */
255 PIX_TYPE background_pixel;
256 PIX_TYPE foreground_pixel;
257 #endif
259 /* Keep track of focus. May be EXPLICIT if we received a FocusIn for this
260 frame, or IMPLICIT if we received an EnterNotify.
261 FocusOut and LeaveNotify clears EXPLICIT/IMPLICIT. */
262 int focus_state;
266 enum
268 /* Values for focus_state, used as bit mask.
269 EXPLICIT means we received a FocusIn for the frame and know it has
270 the focus. IMPLICIT means we received an EnterNotify and the frame
271 may have the focus if no window manager is running.
272 FocusOut and LeaveNotify clears EXPLICIT/IMPLICIT. */
273 FOCUS_NONE = 0,
274 FOCUS_IMPLICIT = 1,
275 FOCUS_EXPLICIT = 2
278 struct w32_output
280 /* Placeholder for things accessed through output_data.x. */
281 struct x_output x_compatible;
283 /* Menubar "widget" handle. */
284 HMENU menubar_widget;
286 /* Original palette (used to deselect real palette after drawing) */
287 HPALETTE old_palette;
289 /* Here are the Graphics Contexts for the default font. */
290 XGCValues *cursor_gc; /* cursor drawing */
292 /* The window used for this frame.
293 May be zero while the frame object is being created
294 and the window has not yet been created. */
295 Window window_desc;
297 /* The window that is the parent of this window.
298 Usually this is a window that was made by the window manager,
299 but it can be the root window, and it can be explicitly specified
300 (see the explicit_parent field, below). */
301 Window parent_desc;
303 /* Default ASCII font of this frame. */
304 struct font *font;
306 /* The baseline offset of the default ASCII font. */
307 int baseline_offset;
309 /* If a fontset is specified for this frame instead of font, this
310 value contains an ID of the fontset, else -1. */
311 int fontset;
313 /* Pixel values used for various purposes.
314 border_pixel may be -1 meaning use a gray tile. */
315 COLORREF cursor_pixel;
316 COLORREF border_pixel;
317 COLORREF mouse_pixel;
318 COLORREF cursor_foreground_pixel;
320 /* Foreground color for scroll bars. A value of -1 means use the
321 default (black for non-toolkit scroll bars). */
322 COLORREF scroll_bar_foreground_pixel;
324 /* Background color for scroll bars. A value of -1 means use the
325 default (background color of the frame for non-toolkit scroll
326 bars). */
327 COLORREF scroll_bar_background_pixel;
329 /* Descriptor for the cursor in use for this window. */
330 Cursor text_cursor;
331 Cursor nontext_cursor;
332 Cursor modeline_cursor;
333 Cursor hand_cursor;
334 Cursor hourglass_cursor;
335 Cursor horizontal_drag_cursor;
337 /* Non-zero means hourglass cursor is currently displayed. */
338 unsigned hourglass_p : 1;
340 /* Non-hourglass cursor that is currently active. */
341 Cursor current_cursor;
343 DWORD dwStyle;
345 /* This is the Emacs structure for the display this frame is on. */
346 /* struct w32_display_info *display_info; */
348 /* Nonzero means our parent is another application's window
349 and was explicitly specified. */
350 char explicit_parent;
352 /* Nonzero means tried already to make this frame visible. */
353 char asked_for_visible;
355 /* Nonzero means menubar is currently active. */
356 char menubar_active;
358 /* Nonzero means menubar is about to become active, but should be
359 brought up to date first. */
360 volatile char pending_menu_activation;
362 /* Relief GCs, colors etc. */
363 struct relief
365 XGCValues *gc;
366 unsigned long pixel;
367 int allocated_p;
369 black_relief, white_relief;
371 /* The background for which the above relief GCs were set up.
372 They are changed only when a different background is involved. */
373 unsigned long relief_background;
376 extern struct w32_output w32term_display;
378 /* Return the X output data for frame F. */
379 #define FRAME_X_OUTPUT(f) ((f)->output_data.w32)
381 /* Return the window associated with the frame F. */
382 #define FRAME_W32_WINDOW(f) ((f)->output_data.w32->window_desc)
383 #define FRAME_X_WINDOW(f) FRAME_W32_WINDOW (f)
385 #define FRAME_FONT(f) ((f)->output_data.w32->font)
386 #define FRAME_FONTSET(f) ((f)->output_data.w32->fontset)
387 #define FRAME_BASELINE_OFFSET(f) ((f)->output_data.w32->baseline_offset)
389 /* This gives the w32_display_info structure for the display F is on. */
390 #define FRAME_W32_DISPLAY_INFO(f) (&one_w32_display_info)
391 #define FRAME_X_DISPLAY_INFO(f) (&one_w32_display_info)
393 /* This is the `Display *' which frame F is on. */
394 #define FRAME_X_DISPLAY(f) (0)
396 /* Value is the smallest width of any character in any font on frame F. */
398 #define FRAME_SMALLEST_CHAR_WIDTH(F) \
399 FRAME_W32_DISPLAY_INFO(F)->smallest_char_width
401 /* Value is the smallest height of any font on frame F. */
403 #define FRAME_SMALLEST_FONT_HEIGHT(F) \
404 FRAME_W32_DISPLAY_INFO(F)->smallest_font_height
406 /* W32-specific scroll bar stuff. */
408 /* We represent scroll bars as lisp vectors. This allows us to place
409 references to them in windows without worrying about whether we'll
410 end up with windows referring to dead scroll bars; the garbage
411 collector will free it when its time comes.
413 We use struct scroll_bar as a template for accessing fields of the
414 vector. */
416 struct scroll_bar {
418 /* This field is shared by all vectors. */
419 struct vectorlike_header header;
421 /* The window we're a scroll bar for. */
422 Lisp_Object window;
424 /* The next and previous in the chain of scroll bars in this frame. */
425 Lisp_Object next, prev;
427 /* The window representing this scroll bar. Since this is a full
428 32-bit quantity, we store it split into two 32-bit values. */
429 Lisp_Object w32_window_low, w32_window_high;
431 /* Same as above for the widget. */
432 Lisp_Object w32_widget_low, w32_widget_high;
434 /* The position and size of the scroll bar in pixels, relative to the
435 frame. */
436 Lisp_Object top, left, width, height;
438 /* The starting and ending positions of the handle, relative to the
439 handle area (i.e. zero is the top position, not
440 SCROLL_BAR_TOP_BORDER). If they're equal, that means the handle
441 hasn't been drawn yet.
443 These are not actually the locations where the beginning and end
444 are drawn; in order to keep handles from becoming invisible when
445 editing large files, we establish a minimum height by always
446 drawing handle bottoms VERTICAL_SCROLL_BAR_MIN_HANDLE pixels below
447 where they would be normally; the bottom and top are in a
448 different co-ordinate system. */
449 Lisp_Object start, end;
451 /* If the scroll bar handle is currently being dragged by the user,
452 this is the number of pixels from the top of the handle to the
453 place where the user grabbed it. If the handle isn't currently
454 being dragged, this is Qnil. */
455 Lisp_Object dragging;
457 /* t if the background of the fringe that is adjacent to a scroll
458 bar is extended to the gap between the fringe and the bar. */
459 Lisp_Object fringe_extended_p;
462 /* Turning a lisp vector value into a pointer to a struct scroll_bar. */
463 #define XSCROLL_BAR(vec) ((struct scroll_bar *) XVECTOR (vec))
465 #ifdef _WIN64
466 /* Building a 64-bit C integer from two 32-bit lisp integers. */
467 #define SCROLL_BAR_PACK(low, high) (XINT (high) << 32 | XINT (low))
469 /* Setting two lisp integers to the low and high words of a 64-bit C int. */
470 #define SCROLL_BAR_UNPACK(low, high, int64) \
471 (XSETINT ((low), ((DWORDLONG)(int64)) & 0xffffffff), \
472 XSETINT ((high), ((DWORDLONG)(int64) >> 32) & 0xffffffff))
473 #else /* not _WIN64 */
474 /* Building a 32-bit C integer from two 16-bit lisp integers. */
475 #define SCROLL_BAR_PACK(low, high) (XINT (high) << 16 | XINT (low))
477 /* Setting two lisp integers to the low and high words of a 32-bit C int. */
478 #define SCROLL_BAR_UNPACK(low, high, int32) \
479 (XSETINT ((low), (int32) & 0xffff), \
480 XSETINT ((high), ((int32) >> 16) & 0xffff))
481 #endif /* not _WIN64 */
483 /* Extract the window id of the scroll bar from a struct scroll_bar. */
484 #define SCROLL_BAR_W32_WINDOW(ptr) \
485 ((Window) SCROLL_BAR_PACK ((ptr)->w32_window_low, (ptr)->w32_window_high))
487 /* Store a window id in a struct scroll_bar. */
488 #define SET_SCROLL_BAR_W32_WINDOW(ptr, id) \
489 (SCROLL_BAR_UNPACK ((ptr)->w32_window_low, (ptr)->w32_window_high, (intptr_t) id))
491 /* Extract the X widget of the scroll bar from a struct scroll_bar. */
492 #define SCROLL_BAR_X_WIDGET(ptr) \
493 ((Widget) SCROLL_BAR_PACK ((ptr)->x_widget_low, (ptr)->x_widget_high))
495 /* Store a widget id in a struct scroll_bar. */
496 #define SET_SCROLL_BAR_X_WIDGET(ptr, w) \
497 (SCROLL_BAR_UNPACK ((ptr)->x_widget_low, (ptr)->x_widget_high, (int) w))
499 /* Return the inside width of a vertical scroll bar, given the outside
500 width. */
501 #define VERTICAL_SCROLL_BAR_INSIDE_WIDTH(f,width) \
502 ((width) \
503 - VERTICAL_SCROLL_BAR_LEFT_BORDER \
504 - VERTICAL_SCROLL_BAR_RIGHT_BORDER \
505 - VERTICAL_SCROLL_BAR_WIDTH_TRIM * 2)
507 /* Return the length of the rectangle within which the top of the
508 handle must stay. This isn't equivalent to the inside height,
509 because the scroll bar handle has a minimum height.
511 This is the real range of motion for the scroll bar, so when we're
512 scaling buffer positions to scroll bar positions, we use this, not
513 VERTICAL_SCROLL_BAR_INSIDE_HEIGHT. */
514 #define VERTICAL_SCROLL_BAR_TOP_RANGE(f,height) \
515 (VERTICAL_SCROLL_BAR_INSIDE_HEIGHT (f, height) - VERTICAL_SCROLL_BAR_MIN_HANDLE)
517 /* Return the inside height of vertical scroll bar, given the outside
518 height. See VERTICAL_SCROLL_BAR_TOP_RANGE too. */
519 #define VERTICAL_SCROLL_BAR_INSIDE_HEIGHT(f,height) \
520 ((height) - VERTICAL_SCROLL_BAR_TOP_BORDER - VERTICAL_SCROLL_BAR_BOTTOM_BORDER)
523 /* Border widths for scroll bars.
525 Scroll bar windows don't have any borders; their border width is
526 set to zero, and we redraw borders ourselves. This makes the code
527 a bit cleaner, since we don't have to convert between outside width
528 (used when relating to the rest of the screen) and inside width
529 (used when sizing and drawing the scroll bar window itself).
531 The handle moves up and down/back and forth in a rectangle inset
532 from the edges of the scroll bar. These are widths by which we
533 inset the handle boundaries from the scroll bar edges. */
534 #define VERTICAL_SCROLL_BAR_LEFT_BORDER (0)
535 #define VERTICAL_SCROLL_BAR_RIGHT_BORDER (0)
536 #define VERTICAL_SCROLL_BAR_TOP_BORDER (vertical_scroll_bar_top_border)
537 #define VERTICAL_SCROLL_BAR_BOTTOM_BORDER (vertical_scroll_bar_bottom_border)
539 /* Minimum lengths for scroll bar handles, in pixels. */
540 #define VERTICAL_SCROLL_BAR_MIN_HANDLE (vertical_scroll_bar_min_handle)
542 /* Trimming off a few pixels from each side prevents
543 text from glomming up against the scroll bar */
544 #define VERTICAL_SCROLL_BAR_WIDTH_TRIM (0)
547 struct frame; /* from frame.h */
549 extern void w32_fill_rect (struct frame *, HDC, COLORREF, RECT *);
550 extern void w32_clear_window (struct frame *);
552 #define w32_fill_area(f,hdc,pix,x,y,nx,ny) \
553 do { \
554 RECT rect; \
555 rect.left = x; \
556 rect.top = y; \
557 rect.right = x + nx; \
558 rect.bottom = y + ny; \
559 w32_fill_rect (f,hdc,pix,&rect); \
560 } while (0)
562 #define w32_clear_rect(f,hdc,lprect) \
563 w32_fill_rect (f, hdc, FRAME_BACKGROUND_PIXEL (f), lprect)
565 #define w32_clear_area(f,hdc,px,py,nx,ny) \
566 w32_fill_area (f, hdc, FRAME_BACKGROUND_PIXEL (f), px, py, nx, ny)
568 /* Define for earlier versions of Visual C */
569 #ifndef WM_MOUSEWHEEL
570 #define WM_MOUSEWHEEL (WM_MOUSELAST + 1)
571 #endif /* WM_MOUSEWHEEL */
572 #ifndef MSH_MOUSEWHEEL
573 #define MSH_MOUSEWHEEL "MSWHEEL_ROLLMSG"
574 #endif /* MSH_MOUSEWHEEL */
575 #ifndef WM_XBUTTONDOWN
576 #define WM_XBUTTONDOWN (WM_MOUSEWHEEL + 1)
577 #define WM_XBUTTONUP (WM_MOUSEWHEEL + 2)
578 #endif /* WM_XBUTTONDOWN */
579 #ifndef WM_MOUSEHWHEEL
580 #define WM_MOUSEHWHEEL (WM_MOUSEWHEEL + 4)
581 #endif /* WM_MOUSEHWHEEL */
582 #ifndef WM_APPCOMMAND
583 #define WM_APPCOMMAND 0x319
584 #define GET_APPCOMMAND_LPARAM(lParam) (HIWORD(lParam) & 0x7fff)
585 #endif
586 #ifndef WM_UNICHAR
587 #define WM_UNICHAR 0x109
588 #endif
589 #ifndef UNICODE_NOCHAR
590 #define UNICODE_NOCHAR 0xFFFF
591 #endif
593 #define WM_EMACS_START (WM_USER + 1)
594 #define WM_EMACS_KILL (WM_EMACS_START + 0)
595 #define WM_EMACS_CREATEWINDOW (WM_EMACS_START + 1)
596 #define WM_EMACS_DONE (WM_EMACS_START + 2)
597 #define WM_EMACS_CREATESCROLLBAR (WM_EMACS_START + 3)
598 #define WM_EMACS_SHOWWINDOW (WM_EMACS_START + 4)
599 #define WM_EMACS_SETWINDOWPOS (WM_EMACS_START + 5)
600 #define WM_EMACS_DESTROYWINDOW (WM_EMACS_START + 6)
601 #define WM_EMACS_TRACKPOPUPMENU (WM_EMACS_START + 7)
602 #define WM_EMACS_SETFOCUS (WM_EMACS_START + 8)
603 #define WM_EMACS_SETFOREGROUND (WM_EMACS_START + 9)
604 #define WM_EMACS_SETLOCALE (WM_EMACS_START + 10)
605 #define WM_EMACS_SETKEYBOARDLAYOUT (WM_EMACS_START + 11)
606 #define WM_EMACS_REGISTER_HOT_KEY (WM_EMACS_START + 12)
607 #define WM_EMACS_UNREGISTER_HOT_KEY (WM_EMACS_START + 13)
608 #define WM_EMACS_TOGGLE_LOCK_KEY (WM_EMACS_START + 14)
609 #define WM_EMACS_TRACK_CARET (WM_EMACS_START + 15)
610 #define WM_EMACS_DESTROY_CARET (WM_EMACS_START + 16)
611 #define WM_EMACS_SHOW_CARET (WM_EMACS_START + 17)
612 #define WM_EMACS_HIDE_CARET (WM_EMACS_START + 18)
613 #define WM_EMACS_SETCURSOR (WM_EMACS_START + 19)
614 #define WM_EMACS_PAINT (WM_EMACS_START + 20)
615 #define WM_EMACS_BRINGTOTOP (WM_EMACS_START + 21)
616 #define WM_EMACS_INPUT_READY (WM_EMACS_START + 22)
617 #define WM_EMACS_END (WM_EMACS_START + 23)
619 #define WND_FONTWIDTH_INDEX (0)
620 #define WND_LINEHEIGHT_INDEX (4)
621 #define WND_BORDER_INDEX (8)
622 #define WND_SCROLLBAR_INDEX (12)
623 #define WND_BACKGROUND_INDEX (16)
624 #define WND_LAST_INDEX (20)
626 #define WND_EXTRA_BYTES (WND_LAST_INDEX)
628 extern DWORD dwWindowsThreadId;
629 extern HANDLE hWindowsThread;
630 extern DWORD dwMainThreadId;
631 extern HANDLE hMainThread;
633 typedef struct W32Msg {
634 MSG msg;
635 DWORD dwModifiers;
636 RECT rect;
637 } W32Msg;
639 extern BOOL prepend_msg (W32Msg *lpmsg);
641 /* Structure for recording message when input thread must return a
642 result that depends on lisp thread to compute. Lisp thread can
643 complete deferred messages out of order. */
644 typedef struct deferred_msg
646 struct deferred_msg * next;
647 W32Msg w32msg;
648 LRESULT result;
649 int completed;
650 } deferred_msg;
652 extern CRITICAL_SECTION critsect;
654 extern void init_crit (void);
655 extern void delete_crit (void);
657 extern void signal_quit (void);
659 #define enter_crit() EnterCriticalSection (&critsect)
660 #define leave_crit() LeaveCriticalSection (&critsect)
662 extern void select_palette (struct frame * f, HDC hdc);
663 extern void deselect_palette (struct frame * f, HDC hdc);
664 extern HDC get_frame_dc (struct frame * f);
665 extern int release_frame_dc (struct frame * f, HDC hDC);
667 extern void drain_message_queue (void);
669 extern BOOL get_next_msg (W32Msg *, BOOL);
670 extern BOOL post_msg (W32Msg *);
671 extern void complete_deferred_msg (HWND hwnd, UINT msg, LRESULT result);
673 extern BOOL parse_button (int, int, int *, int *);
675 extern void w32_sys_ring_bell (struct frame *f);
676 extern void x_delete_display (struct w32_display_info *dpyinfo);
677 extern void w32_initialize_display_info (Lisp_Object);
678 extern void initialize_w32_display (struct terminal *);
681 /* Keypad command key support. W32 doesn't have virtual keys defined
682 for the function keys on the keypad (they are mapped to the standard
683 function keys), so we define our own. */
684 #define VK_NUMPAD_BEGIN 0x92
685 #define VK_NUMPAD_CLEAR (VK_NUMPAD_BEGIN + 0)
686 #define VK_NUMPAD_ENTER (VK_NUMPAD_BEGIN + 1)
687 #define VK_NUMPAD_PRIOR (VK_NUMPAD_BEGIN + 2)
688 #define VK_NUMPAD_NEXT (VK_NUMPAD_BEGIN + 3)
689 #define VK_NUMPAD_END (VK_NUMPAD_BEGIN + 4)
690 #define VK_NUMPAD_HOME (VK_NUMPAD_BEGIN + 5)
691 #define VK_NUMPAD_LEFT (VK_NUMPAD_BEGIN + 6)
692 #define VK_NUMPAD_UP (VK_NUMPAD_BEGIN + 7)
693 #define VK_NUMPAD_RIGHT (VK_NUMPAD_BEGIN + 8)
694 #define VK_NUMPAD_DOWN (VK_NUMPAD_BEGIN + 9)
695 #define VK_NUMPAD_INSERT (VK_NUMPAD_BEGIN + 10)
696 #define VK_NUMPAD_DELETE (VK_NUMPAD_BEGIN + 11)
698 #ifndef VK_LWIN
699 /* Older compiler environments don't have these defined. */
700 #define VK_LWIN 0x5B
701 #define VK_RWIN 0x5C
702 #define VK_APPS 0x5D
703 #endif
705 /* Support for treating Windows and Apps keys as modifiers. These
706 constants must not overlap with any of the dwControlKeyState flags in
707 KEY_EVENT_RECORD. */
708 #define LEFT_WIN_PRESSED 0x8000
709 #define RIGHT_WIN_PRESSED 0x4000
710 #define APPS_PRESSED 0x2000
712 /* The current ANSI input codepage for GUI sessions. */
713 extern int w32_keyboard_codepage;
715 /* When compiling on Windows 9x/ME and NT 3.x, the following are not defined
716 (even though they are supported on 98 and ME. */
717 #ifndef WM_MOUSELEAVE
718 #define WM_MOUSELEAVE 0x02A3
719 #define TME_LEAVE 0x00000002;
721 typedef struct tagTRACKMOUSEEVENT
723 DWORD cbSize;
724 DWORD dwFlags;
725 HWND hwndTrack;
726 DWORD dwHoverTime;
727 } TRACKMOUSEEVENT;
728 #endif
730 struct image;
731 struct face;
733 XGCValues *XCreateGC (void *, Window, unsigned long, XGCValues *);
734 struct frame * check_x_frame (Lisp_Object);
736 typedef DWORD (WINAPI * ClipboardSequence_Proc) (void);
737 typedef BOOL (WINAPI * AppendMenuW_Proc) (
738 IN HMENU,
739 IN UINT,
740 IN UINT_PTR,
741 IN LPCWSTR);
743 extern HWND w32_system_caret_hwnd;
744 extern int w32_system_caret_height;
745 extern int w32_system_caret_x;
746 extern int w32_system_caret_y;
748 #ifdef _MSC_VER
749 #ifndef EnumSystemLocales
750 /* MSVC headers define these only for _WIN32_WINNT >= 0x0500. */
751 typedef BOOL (CALLBACK *LOCALE_ENUMPROCA)(LPSTR);
752 typedef BOOL (CALLBACK *LOCALE_ENUMPROCW)(LPWSTR);
753 BOOL WINAPI EnumSystemLocalesA(LOCALE_ENUMPROCA,DWORD);
754 BOOL WINAPI EnumSystemLocalesW(LOCALE_ENUMPROCW,DWORD)
755 #ifdef UNICODE
756 #define EnumSystemLocales EnumSystemLocalesW
757 #else
758 #define EnumSystemLocales EnumSystemLocalesA
759 #endif
760 #endif
761 #endif
763 #if EMACSDEBUG
764 extern const char*
765 w32_name_of_message (UINT msg);
766 #endif /* EMACSDEBUG */
768 extern void syms_of_w32term (void);
769 extern void syms_of_w32menu (void);
770 extern void syms_of_w32fns (void);
772 extern void globals_of_w32menu (void);
773 extern void globals_of_w32fns (void);
775 #ifdef CYGWIN
776 extern int w32_message_fd;
777 #endif /* CYGWIN */