Merge from origin/emacs-24
[emacs.git] / src / w32term.h
blobf02d7ce0a686eec67704f3e65ed9977be26bd120
1 /* Definitions and headers for communication on the Microsoft Windows API.
2 Copyright (C) 1995, 2001-2014 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"
25 /* Stack alignment stuff. Every CALLBACK function should have the
26 ALIGN_STACK attribute if it manipulates Lisp objects, because
27 Windows x86 32-bit ABI only guarantees 4-byte stack alignment, and
28 that is what we will get when a Windows function calls us. The
29 ALIGN_STACK attribute forces GCC to emit a preamble code to
30 re-align the stack at function entry. Further details about this
31 can be found in http://www.peterstock.co.uk/games/mingw_sse/. */
32 #ifdef __GNUC__
33 # if USE_STACK_LISP_OBJECTS && !defined _WIN64 && !defined __x86_64__ \
34 && __GNUC__ + (__GNUC_MINOR__ > 1) >= 5
35 # define ALIGN_STACK __attribute__((force_align_arg_pointer))
36 # else
37 # define ALIGN_STACK
38 # endif /* USE_STACK_LISP_OBJECTS */
39 #endif
42 #define BLACK_PIX_DEFAULT(f) PALETTERGB(0,0,0)
43 #define WHITE_PIX_DEFAULT(f) PALETTERGB(255,255,255)
45 #define CP_DEFAULT 1004
47 /* Indicates whether we are in the readsocket call and the message we
48 are processing in the current loop */
50 extern MSG CurMsg;
51 extern BOOL bUseDflt;
53 /* Structure recording bitmaps and reference count.
54 If REFCOUNT is 0 then this record is free to be reused. */
56 struct w32_bitmap_record
58 Pixmap pixmap;
59 char *file;
60 HINSTANCE hinst; /* Used to load the file */
61 int refcount;
62 /* Record some info about this pixmap. */
63 int height, width, depth;
66 struct w32_palette_entry {
67 struct w32_palette_entry * next;
68 PALETTEENTRY entry;
69 #if 0
70 unsigned refcount;
71 #endif
74 extern void w32_regenerate_palette (struct frame *f);
75 extern void w32_fullscreen_rect (HWND hwnd, int fsmode, RECT normal,
76 RECT *rect);
79 /* For each display (currently only one on w32), we have a structure that
80 records information about it. */
82 struct w32_display_info
84 /* Chain of all w32_display_info structures. */
85 struct w32_display_info *next;
87 /* The generic display parameters corresponding to this w32 display. */
88 struct terminal *terminal;
90 /* This is a cons cell of the form (NAME . FONT-LIST-CACHE). */
91 Lisp_Object name_list_element;
93 /* Number of frames that are on this display. */
94 int reference_count;
96 /* Dots per inch of the screen. */
97 double resx, resy;
99 /* Number of planes on this screen. */
100 int n_planes;
102 /* Number of bits per pixel on this screen. */
103 int n_cbits;
105 /* Mask of things that cause the mouse to be grabbed. */
106 int grabbed;
108 /* Emacs bitmap-id of the default icon bitmap for this frame.
109 Or -1 if none has been allocated yet. */
110 ptrdiff_t icon_bitmap_id;
112 /* The root window of this screen. */
113 Window root_window;
115 /* The cursor to use for vertical scroll bars. */
116 Cursor vertical_scroll_bar_cursor;
118 /* The cursor to use for horizontal scroll bars. */
119 Cursor horizontal_scroll_bar_cursor;
121 /* Resource data base */
122 XrmDatabase xrdb;
124 /* color palette information. */
125 int has_palette;
126 struct w32_palette_entry * color_list;
127 unsigned num_colors;
128 HPALETTE palette;
130 /* deferred action flags checked when starting frame update. */
131 int regen_palette;
133 /* Keystroke that has been faked by Emacs and will be ignored when
134 received; value is reset after key is received. */
135 int faked_key;
137 /* Minimum width over all characters in all fonts in font_table. */
138 int smallest_char_width;
140 /* Minimum font height over all fonts in font_table. */
141 int smallest_font_height;
143 /* Reusable Graphics Context for drawing a cursor in a non-default face. */
144 XGCValues *scratch_cursor_gc;
146 /* Information about the range of text currently shown in
147 mouse-face. */
148 Mouse_HLInfo mouse_highlight;
150 char *w32_id_name;
152 /* The number of fonts actually stored in w32_font_table.
153 font_table[n] is used and valid if 0 <= n < n_fonts. 0 <=
154 n_fonts <= font_table_size. and font_table[i].name != 0. */
155 int n_fonts;
157 /* Pointer to bitmap records. */
158 struct w32_bitmap_record *bitmaps;
160 /* Allocated size of bitmaps field. */
161 ptrdiff_t bitmaps_size;
163 /* Last used bitmap index. */
164 ptrdiff_t bitmaps_last;
166 /* The frame (if any) which has the window that has keyboard focus.
167 Zero if none. This is examined by Ffocus_frame in w32fns.c. Note
168 that a mere EnterNotify event can set this; if you need to know the
169 last frame specified in a FocusIn or FocusOut event, use
170 w32_focus_event_frame. */
171 struct frame *w32_focus_frame;
173 /* The last frame mentioned in a FocusIn or FocusOut event. This is
174 separate from w32_focus_frame, because whether or not LeaveNotify
175 events cause us to lose focus depends on whether or not we have
176 received a FocusIn event for it. */
177 struct frame *w32_focus_event_frame;
179 /* The frame which currently has the visual highlight, and should get
180 keyboard input (other sorts of input have the frame encoded in the
181 event). It points to the focus frame's selected window's
182 frame. It differs from w32_focus_frame when we're using a global
183 minibuffer. */
184 struct frame *x_highlight_frame;
186 /* The frame waiting to be auto-raised in w32_read_socket. */
187 struct frame *w32_pending_autoraise_frame;
189 /* The frame where the mouse was last time we reported a mouse event. */
190 struct frame *last_mouse_frame;
192 /* The frame where the mouse was last time we reported a mouse motion. */
193 struct frame *last_mouse_motion_frame;
195 /* The frame where the mouse was last time we reported a mouse position. */
196 struct frame *last_mouse_glyph_frame;
198 /* Position where the mouse was last time we reported a motion.
199 This is a position on last_mouse_motion_frame. */
200 int last_mouse_motion_x;
201 int last_mouse_motion_y;
203 /* Where the mouse was last time we reported a mouse position.
204 This is a rectangle on last_mouse_glyph_frame. */
205 RECT last_mouse_glyph;
207 /* The scroll bar in which the last motion event occurred. */
208 struct scroll_bar *last_mouse_scroll_bar;
210 /* Mouse position on the scroll bar above.
211 FIXME: shouldn't it be a member of struct scroll_bar? */
212 int last_mouse_scroll_bar_pos;
214 /* Time of last mouse movement. */
215 Time last_mouse_movement_time;
217 /* Value returned by last call of ShowCursor. */
218 int cursor_display_counter;
221 /* This is a chain of structures for all the displays currently in use. */
222 extern struct w32_display_info *x_display_list;
223 extern struct w32_display_info one_w32_display_info;
225 /* These 2 are set by w32fns.c and examined in w32term.c. */
226 extern HMENU current_popup_menu;
227 extern int menubar_in_use;
229 extern struct frame *x_window_to_frame (struct w32_display_info *, HWND);
231 struct w32_display_info *x_display_info_for_name (Lisp_Object);
233 Lisp_Object display_x_get_resource (struct w32_display_info *,
234 Lisp_Object, Lisp_Object,
235 Lisp_Object, Lisp_Object);
237 /* also defined in xterm.h XXX: factor out to common header */
239 extern struct w32_display_info *w32_term_init (Lisp_Object,
240 char *, char *);
241 extern int w32_defined_color (struct frame *f, const char *color,
242 XColor *color_def, int alloc);
243 extern void x_set_window_size (struct frame *f, bool change_gravity,
244 int width, int height, bool pixelwise);
245 extern int x_display_pixel_height (struct w32_display_info *);
246 extern int x_display_pixel_width (struct w32_display_info *);
247 extern Lisp_Object x_get_focus_frame (struct frame *);
248 extern void x_make_frame_visible (struct frame *f);
249 extern void x_make_frame_invisible (struct frame *f);
250 extern void x_iconify_frame (struct frame *f);
251 extern void x_set_frame_alpha (struct frame *f);
252 extern void x_set_menu_bar_lines (struct frame *, Lisp_Object, Lisp_Object);
253 extern void x_set_tool_bar_lines (struct frame *f,
254 Lisp_Object value,
255 Lisp_Object oldval);
256 extern void x_set_internal_border_width (struct frame *f,
257 Lisp_Object value,
258 Lisp_Object oldval);
259 extern void x_activate_menubar (struct frame *);
260 extern bool x_bitmap_icon (struct frame *, Lisp_Object);
261 extern void initialize_frame_menubar (struct frame *);
262 extern void x_free_frame_resources (struct frame *);
263 extern void x_real_positions (struct frame *, int *, int *);
265 /* w32inevt.c */
266 extern int w32_kbd_patch_key (KEY_EVENT_RECORD *event, int cpId);
267 extern int w32_kbd_mods_to_emacs (DWORD mods, WORD key);
270 extern Lisp_Object x_get_focus_frame (struct frame *);
272 /* w32console.c */
273 extern void w32con_hide_cursor (void);
274 extern void w32con_show_cursor (void);
277 #define PIX_TYPE COLORREF
279 /* Each W32 frame object points to its own struct w32_display object
280 in the output_data.w32 field. The w32_display structure contains all
281 the information that is specific to W32 windows. */
283 /* Put some things in x_output for compatibility.
284 NTEMACS_TODO: Move all common things here to eliminate unnecessary
285 diffs between X and w32 code. */
286 struct x_output
288 /* Keep track of focus. May be EXPLICIT if we received a FocusIn for this
289 frame, or IMPLICIT if we received an EnterNotify.
290 FocusOut and LeaveNotify clears EXPLICIT/IMPLICIT. */
291 int focus_state;
294 enum
296 /* Values for focus_state, used as bit mask.
297 EXPLICIT means we received a FocusIn for the frame and know it has
298 the focus. IMPLICIT means we received an EnterNotify and the frame
299 may have the focus if no window manager is running.
300 FocusOut and LeaveNotify clears EXPLICIT/IMPLICIT. */
301 FOCUS_NONE = 0,
302 FOCUS_IMPLICIT = 1,
303 FOCUS_EXPLICIT = 2
306 struct w32_output
308 /* Placeholder for things accessed through output_data.x. */
309 struct x_output x_compatible;
311 /* Menubar "widget" handle. */
312 HMENU menubar_widget;
314 /* Original palette (used to deselect real palette after drawing) */
315 HPALETTE old_palette;
317 /* Here are the Graphics Contexts for the default font. */
318 XGCValues *cursor_gc; /* cursor drawing */
320 /* The window used for this frame.
321 May be zero while the frame object is being created
322 and the window has not yet been created. */
323 Window window_desc;
325 /* The window that is the parent of this window.
326 Usually this is a window that was made by the window manager,
327 but it can be the root window, and it can be explicitly specified
328 (see the explicit_parent field, below). */
329 Window parent_desc;
331 /* Default ASCII font of this frame. */
332 struct font *font;
334 /* The baseline offset of the default ASCII font. */
335 int baseline_offset;
337 /* If a fontset is specified for this frame instead of font, this
338 value contains an ID of the fontset, else -1. */
339 int fontset;
341 /* Pixel values used for various purposes.
342 border_pixel may be -1 meaning use a gray tile. */
343 COLORREF cursor_pixel;
344 COLORREF border_pixel;
345 COLORREF mouse_pixel;
346 COLORREF cursor_foreground_pixel;
348 /* Foreground color for scroll bars. A value of -1 means use the
349 default (black for non-toolkit scroll bars). */
350 COLORREF scroll_bar_foreground_pixel;
352 /* Background color for scroll bars. A value of -1 means use the
353 default (background color of the frame for non-toolkit scroll
354 bars). */
355 COLORREF scroll_bar_background_pixel;
357 /* Descriptor for the cursor in use for this window. */
358 Cursor text_cursor;
359 Cursor nontext_cursor;
360 Cursor modeline_cursor;
361 Cursor hand_cursor;
362 Cursor hourglass_cursor;
363 Cursor horizontal_drag_cursor;
364 Cursor vertical_drag_cursor;
366 /* Non-zero means hourglass cursor is currently displayed. */
367 unsigned hourglass_p : 1;
369 /* Non-hourglass cursor that is currently active. */
370 Cursor current_cursor;
372 DWORD dwStyle;
374 /* This is the Emacs structure for the display this frame is on. */
375 /* struct w32_display_info *display_info; */
377 /* Nonzero means our parent is another application's window
378 and was explicitly specified. */
379 unsigned explicit_parent : 1;
381 /* Nonzero means tried already to make this frame visible. */
382 unsigned asked_for_visible : 1;
384 /* Nonzero means menubar is currently active. */
385 unsigned menubar_active : 1;
387 /* Relief GCs, colors etc. */
388 struct relief
390 XGCValues *gc;
391 unsigned long pixel;
393 black_relief, white_relief;
395 /* The background for which the above relief GCs were set up.
396 They are changed only when a different background is involved. */
397 unsigned long relief_background;
399 /* Frame geometry and full-screen mode before it was resized by
400 specifying the 'fullscreen' frame parameter. Used to restore the
401 geometry when 'fullscreen' is reset to nil. */
402 WINDOWPLACEMENT normal_placement;
403 int prev_fsmode;
406 extern struct w32_output w32term_display;
408 /* Return the X output data for frame F. */
409 #define FRAME_X_OUTPUT(f) ((f)->output_data.w32)
411 /* Return the window associated with the frame F. */
412 #define FRAME_W32_WINDOW(f) ((f)->output_data.w32->window_desc)
413 #define FRAME_X_WINDOW(f) FRAME_W32_WINDOW (f)
415 #define FRAME_FONT(f) ((f)->output_data.w32->font)
416 #define FRAME_FONTSET(f) ((f)->output_data.w32->fontset)
417 #define FRAME_BASELINE_OFFSET(f) ((f)->output_data.w32->baseline_offset)
419 /* This gives the w32_display_info structure for the display F is on. */
420 #define FRAME_DISPLAY_INFO(f) (&one_w32_display_info)
422 /* This is the `Display *' which frame F is on. */
423 #define FRAME_X_DISPLAY(f) (0)
425 #define FRAME_NORMAL_PLACEMENT(F) ((F)->output_data.w32->normal_placement)
426 #define FRAME_PREV_FSMODE(F) ((F)->output_data.w32->prev_fsmode)
429 /* W32-specific scroll bar stuff. */
431 /* We represent scroll bars as lisp vectors. This allows us to place
432 references to them in windows without worrying about whether we'll
433 end up with windows referring to dead scroll bars; the garbage
434 collector will free it when its time comes.
436 We use struct scroll_bar as a template for accessing fields of the
437 vector. */
439 struct scroll_bar {
441 /* This field is shared by all vectors. */
442 struct vectorlike_header header;
444 /* The window we're a scroll bar for. */
445 Lisp_Object window;
447 /* The next and previous in the chain of scroll bars in this frame. */
448 Lisp_Object next, prev;
450 /* The window representing this scroll bar. Since this is a full
451 32-bit quantity, we store it split into two 32-bit values. */
452 Lisp_Object w32_window_low, w32_window_high;
454 /* Same as above for the widget. */
455 Lisp_Object w32_widget_low, w32_widget_high;
457 /* The position and size of the scroll bar in pixels, relative to the
458 frame. */
459 int top, left, width, height;
461 /* The starting and ending positions of the handle, relative to the
462 handle area (i.e. zero is the top position, not
463 SCROLL_BAR_TOP_BORDER). If they're equal, that means the handle
464 hasn't been drawn yet.
466 These are not actually the locations where the beginning and end
467 are drawn; in order to keep handles from becoming invisible when
468 editing large files, we establish a minimum height by always
469 drawing handle bottoms VERTICAL_SCROLL_BAR_MIN_HANDLE pixels below
470 where they would be normally; the bottom and top are in a
471 different co-ordinate system. */
472 int start, end;
474 /* If the scroll bar handle is currently being dragged by the user,
475 this is the number of pixels from the top of the handle to the
476 place where the user grabbed it. If the handle isn't currently
477 being dragged, this is Qnil. */
478 int dragging;
480 /* true if the scroll bar is horizontal. */
481 bool horizontal;
484 /* Turning a lisp vector value into a pointer to a struct scroll_bar. */
485 #define XSCROLL_BAR(vec) ((struct scroll_bar *) XVECTOR (vec))
487 #ifdef _WIN64
488 /* Building a 64-bit C integer from two 32-bit lisp integers. */
489 #define SCROLL_BAR_PACK(low, high) (XINT (high) << 32 | XINT (low))
491 /* Setting two lisp integers to the low and high words of a 64-bit C int. */
492 #define SCROLL_BAR_UNPACK(low, high, int64) \
493 (XSETINT ((low), ((DWORDLONG)(int64)) & 0xffffffff), \
494 XSETINT ((high), ((DWORDLONG)(int64) >> 32) & 0xffffffff))
495 #else /* not _WIN64 */
496 /* Building a 32-bit C integer from two 16-bit lisp integers. */
497 #define SCROLL_BAR_PACK(low, high) (XINT (high) << 16 | XINT (low))
499 /* Setting two lisp integers to the low and high words of a 32-bit C int. */
500 #define SCROLL_BAR_UNPACK(low, high, int32) \
501 (XSETINT ((low), (int32) & 0xffff), \
502 XSETINT ((high), ((int32) >> 16) & 0xffff))
503 #endif /* not _WIN64 */
505 /* Extract the window id of the scroll bar from a struct scroll_bar. */
506 #define SCROLL_BAR_W32_WINDOW(ptr) \
507 ((Window) SCROLL_BAR_PACK ((ptr)->w32_window_low, (ptr)->w32_window_high))
509 /* Store a window id in a struct scroll_bar. */
510 #define SET_SCROLL_BAR_W32_WINDOW(ptr, id) \
511 (SCROLL_BAR_UNPACK ((ptr)->w32_window_low, (ptr)->w32_window_high, (intptr_t) id))
513 /* Return the inside width of a vertical scroll bar, given the outside
514 width. */
515 #define VERTICAL_SCROLL_BAR_INSIDE_WIDTH(f,width) \
516 ((width) \
517 - VERTICAL_SCROLL_BAR_LEFT_BORDER \
518 - VERTICAL_SCROLL_BAR_RIGHT_BORDER)
520 /* Return the length of the rectangle within which the top of the
521 handle must stay. This isn't equivalent to the inside height,
522 because the scroll bar handle has a minimum height.
524 This is the real range of motion for the scroll bar, so when we're
525 scaling buffer positions to scroll bar positions, we use this, not
526 VERTICAL_SCROLL_BAR_INSIDE_HEIGHT. */
527 #define VERTICAL_SCROLL_BAR_TOP_RANGE(f,height) \
528 (VERTICAL_SCROLL_BAR_INSIDE_HEIGHT (f, height) - VERTICAL_SCROLL_BAR_MIN_HANDLE)
530 /* Return the inside height of vertical scroll bar, given the outside
531 height. See VERTICAL_SCROLL_BAR_TOP_RANGE too. */
532 #define VERTICAL_SCROLL_BAR_INSIDE_HEIGHT(f,height) \
533 ((height) - VERTICAL_SCROLL_BAR_TOP_BORDER - VERTICAL_SCROLL_BAR_BOTTOM_BORDER)
535 /* Return the inside height of a horizontal scroll bar, given the
536 outside height. */
537 #define HORIZONTAL_SCROLL_BAR_INSIDE_HEIGHT(f,height) \
538 ((height) \
539 - HORIZONTAL_SCROLL_BAR_TOP_BORDER \
540 - HORIZONTAL_SCROLL_BAR_BOTTOM_BORDER)
542 /* Return the length of the rectangle within which the left of the
543 handle must stay. This isn't equivalent to the inside width,
544 because the scroll bar handle has a minimum width.
546 This is the real range of motion for the scroll bar, so when we're
547 scaling buffer positions to scroll bar positions, we use this, not
548 HORIZONTAL_SCROLL_BAR_INSIDE_WIDTH. */
549 #define HORIZONTAL_SCROLL_BAR_LEFT_RANGE(f,width) \
550 (HORIZONTAL_SCROLL_BAR_INSIDE_WIDTH (f, width) - HORIZONTAL_SCROLL_BAR_MIN_HANDLE)
552 /* Return the inside width of horizontal scroll bar, given the outside
553 width. See HORIZONTAL_SCROLL_BAR_LEFT_RANGE too. */
554 #define HORIZONTAL_SCROLL_BAR_INSIDE_WIDTH(f,width) \
555 ((width) - HORIZONTAL_SCROLL_BAR_LEFT_BORDER - HORIZONTAL_SCROLL_BAR_RIGHT_BORDER)
558 /* Border widths for scroll bars.
560 Scroll bar windows don't have any borders; their border width is
561 set to zero, and we redraw borders ourselves. This makes the code
562 a bit cleaner, since we don't have to convert between outside width
563 (used when relating to the rest of the screen) and inside width
564 (used when sizing and drawing the scroll bar window itself).
566 The handle moves up and down/back and forth in a rectangle inset
567 from the edges of the scroll bar. These are widths by which we
568 inset the handle boundaries from the scroll bar edges. */
569 #define VERTICAL_SCROLL_BAR_LEFT_BORDER (0)
570 #define VERTICAL_SCROLL_BAR_RIGHT_BORDER (0)
571 #define VERTICAL_SCROLL_BAR_TOP_BORDER (vertical_scroll_bar_top_border)
572 #define VERTICAL_SCROLL_BAR_BOTTOM_BORDER (vertical_scroll_bar_bottom_border)
574 #define HORIZONTAL_SCROLL_BAR_LEFT_BORDER (horizontal_scroll_bar_left_border)
575 #define HORIZONTAL_SCROLL_BAR_RIGHT_BORDER (horizontal_scroll_bar_right_border)
576 #define HORIZONTAL_SCROLL_BAR_TOP_BORDER (0)
577 #define HORIZONTAL_SCROLL_BAR_BOTTOM_BORDER (0)
579 /* Minimum lengths for scroll bar handles, in pixels. */
580 #define VERTICAL_SCROLL_BAR_MIN_HANDLE (vertical_scroll_bar_min_handle)
581 #define HORIZONTAL_SCROLL_BAR_MIN_HANDLE (horizontal_scroll_bar_min_handle)
583 struct frame; /* from frame.h */
585 extern void w32_fill_rect (struct frame *, HDC, COLORREF, RECT *);
586 extern void w32_clear_window (struct frame *);
588 #define w32_fill_area(f,hdc,pix,x,y,nx,ny) \
589 do { \
590 RECT rect; \
591 rect.left = x; \
592 rect.top = y; \
593 rect.right = x + nx; \
594 rect.bottom = y + ny; \
595 w32_fill_rect (f,hdc,pix,&rect); \
596 } while (0)
598 #define w32_fill_area_abs(f,hdc,pix,x0,y0,x1,y1) \
599 do { \
600 RECT rect; \
601 rect.left = x0; \
602 rect.top = y0; \
603 rect.right = x1; \
604 rect.bottom = y1; \
605 w32_fill_rect (f,hdc,pix,&rect); \
606 } while (0)
608 #define w32_clear_rect(f,hdc,lprect) \
609 w32_fill_rect (f, hdc, FRAME_BACKGROUND_PIXEL (f), lprect)
611 #define w32_clear_area(f,hdc,px,py,nx,ny) \
612 w32_fill_area (f, hdc, FRAME_BACKGROUND_PIXEL (f), px, py, nx, ny)
614 /* Define for earlier versions of Visual C */
615 #ifndef WM_MOUSEWHEEL
616 #define WM_MOUSEWHEEL (WM_MOUSELAST + 1)
617 #endif /* WM_MOUSEWHEEL */
618 #ifndef MSH_MOUSEWHEEL
619 #define MSH_MOUSEWHEEL "MSWHEEL_ROLLMSG"
620 #endif /* MSH_MOUSEWHEEL */
621 #ifndef WM_XBUTTONDOWN
622 #define WM_XBUTTONDOWN (WM_MOUSEWHEEL + 1)
623 #define WM_XBUTTONUP (WM_MOUSEWHEEL + 2)
624 #endif /* WM_XBUTTONDOWN */
625 #ifndef WM_MOUSEHWHEEL
626 #define WM_MOUSEHWHEEL (WM_MOUSEWHEEL + 4)
627 #endif /* WM_MOUSEHWHEEL */
628 #ifndef WM_APPCOMMAND
629 #define WM_APPCOMMAND 0x319
630 #define GET_APPCOMMAND_LPARAM(lParam) (HIWORD(lParam) & 0x7fff)
631 #endif
632 #ifndef WM_UNICHAR
633 #define WM_UNICHAR 0x109
634 #endif
635 #ifndef UNICODE_NOCHAR
636 #define UNICODE_NOCHAR 0xFFFF
637 #endif
639 #define WM_EMACS_START (WM_USER + 1)
640 #define WM_EMACS_KILL (WM_EMACS_START + 0)
641 #define WM_EMACS_CREATEWINDOW (WM_EMACS_START + 1)
642 #define WM_EMACS_DONE (WM_EMACS_START + 2)
643 #define WM_EMACS_CREATEVSCROLLBAR (WM_EMACS_START + 3)
644 #define WM_EMACS_CREATEHSCROLLBAR (WM_EMACS_START + 4)
645 #define WM_EMACS_SHOWWINDOW (WM_EMACS_START + 5)
646 #define WM_EMACS_SETWINDOWPOS (WM_EMACS_START + 6)
647 #define WM_EMACS_DESTROYWINDOW (WM_EMACS_START + 7)
648 #define WM_EMACS_TRACKPOPUPMENU (WM_EMACS_START + 8)
649 #define WM_EMACS_SETFOCUS (WM_EMACS_START + 9)
650 #define WM_EMACS_SETFOREGROUND (WM_EMACS_START + 10)
651 #define WM_EMACS_SETLOCALE (WM_EMACS_START + 11)
652 #define WM_EMACS_SETKEYBOARDLAYOUT (WM_EMACS_START + 12)
653 #define WM_EMACS_REGISTER_HOT_KEY (WM_EMACS_START + 13)
654 #define WM_EMACS_UNREGISTER_HOT_KEY (WM_EMACS_START + 14)
655 #define WM_EMACS_TOGGLE_LOCK_KEY (WM_EMACS_START + 15)
656 #define WM_EMACS_TRACK_CARET (WM_EMACS_START + 16)
657 #define WM_EMACS_DESTROY_CARET (WM_EMACS_START + 17)
658 #define WM_EMACS_SHOW_CARET (WM_EMACS_START + 18)
659 #define WM_EMACS_HIDE_CARET (WM_EMACS_START + 19)
660 #define WM_EMACS_SETCURSOR (WM_EMACS_START + 20)
661 #define WM_EMACS_SHOWCURSOR (WM_EMACS_START + 21)
662 #define WM_EMACS_PAINT (WM_EMACS_START + 22)
663 #define WM_EMACS_BRINGTOTOP (WM_EMACS_START + 23)
664 #define WM_EMACS_INPUT_READY (WM_EMACS_START + 24)
665 #define WM_EMACS_FILENOTIFY (WM_EMACS_START + 25)
666 #define WM_EMACS_END (WM_EMACS_START + 26)
668 #define WND_FONTWIDTH_INDEX (0)
669 #define WND_LINEHEIGHT_INDEX (4)
670 #define WND_BORDER_INDEX (8)
671 #define WND_VSCROLLBAR_INDEX (12)
672 #define WND_HSCROLLBAR_INDEX (16)
673 #define WND_BACKGROUND_INDEX (20)
674 #define WND_LAST_INDEX (24)
676 #define WND_EXTRA_BYTES (WND_LAST_INDEX)
678 extern DWORD dwWindowsThreadId;
679 extern HANDLE hWindowsThread;
680 extern DWORD dwMainThreadId;
681 extern HANDLE hMainThread;
683 typedef struct W32Msg {
684 MSG msg;
685 DWORD dwModifiers;
686 RECT rect;
687 } W32Msg;
689 extern BOOL prepend_msg (W32Msg *lpmsg);
691 /* Structure for recording message when input thread must return a
692 result that depends on lisp thread to compute. Lisp thread can
693 complete deferred messages out of order. */
694 typedef struct deferred_msg
696 struct deferred_msg * next;
697 W32Msg w32msg;
698 LRESULT result;
699 int completed;
700 } deferred_msg;
702 extern CRITICAL_SECTION critsect;
704 extern void init_crit (void);
705 extern void delete_crit (void);
707 extern void signal_quit (void);
709 #define enter_crit() EnterCriticalSection (&critsect)
710 #define leave_crit() LeaveCriticalSection (&critsect)
712 extern void select_palette (struct frame * f, HDC hdc);
713 extern void deselect_palette (struct frame * f, HDC hdc);
714 extern HDC get_frame_dc (struct frame * f);
715 extern int release_frame_dc (struct frame * f, HDC hDC);
717 extern int drain_message_queue (void);
719 extern BOOL get_next_msg (W32Msg *, BOOL);
720 extern BOOL post_msg (W32Msg *);
721 extern void complete_deferred_msg (HWND hwnd, UINT msg, LRESULT result);
723 extern BOOL parse_button (int, int, int *, int *);
725 extern void w32_sys_ring_bell (struct frame *f);
726 extern void x_delete_display (struct w32_display_info *dpyinfo);
728 extern volatile int notification_buffer_in_use;
729 extern BYTE file_notifications[16384];
730 extern DWORD notifications_size;
731 extern void *notifications_desc;
732 extern Lisp_Object w32_get_watch_object (void *);
733 extern Lisp_Object lispy_file_action (DWORD);
734 extern int handle_file_notifications (struct input_event *);
736 extern void w32_initialize_display_info (Lisp_Object);
737 extern void initialize_w32_display (struct terminal *, int *, int *);
739 /* Keypad command key support. W32 doesn't have virtual keys defined
740 for the function keys on the keypad (they are mapped to the standard
741 function keys), so we define our own. */
742 #define VK_NUMPAD_BEGIN 0x92
743 #define VK_NUMPAD_CLEAR (VK_NUMPAD_BEGIN + 0)
744 #define VK_NUMPAD_ENTER (VK_NUMPAD_BEGIN + 1)
745 #define VK_NUMPAD_PRIOR (VK_NUMPAD_BEGIN + 2)
746 #define VK_NUMPAD_NEXT (VK_NUMPAD_BEGIN + 3)
747 #define VK_NUMPAD_END (VK_NUMPAD_BEGIN + 4)
748 #define VK_NUMPAD_HOME (VK_NUMPAD_BEGIN + 5)
749 #define VK_NUMPAD_LEFT (VK_NUMPAD_BEGIN + 6)
750 #define VK_NUMPAD_UP (VK_NUMPAD_BEGIN + 7)
751 #define VK_NUMPAD_RIGHT (VK_NUMPAD_BEGIN + 8)
752 #define VK_NUMPAD_DOWN (VK_NUMPAD_BEGIN + 9)
753 #define VK_NUMPAD_INSERT (VK_NUMPAD_BEGIN + 10)
754 #define VK_NUMPAD_DELETE (VK_NUMPAD_BEGIN + 11)
756 #ifndef VK_LWIN
757 /* Older compiler environments don't have these defined. */
758 #define VK_LWIN 0x5B
759 #define VK_RWIN 0x5C
760 #define VK_APPS 0x5D
761 #endif
763 /* Support for treating Windows and Apps keys as modifiers. These
764 constants must not overlap with any of the dwControlKeyState flags in
765 KEY_EVENT_RECORD. */
766 #define LEFT_WIN_PRESSED 0x8000
767 #define RIGHT_WIN_PRESSED 0x4000
768 #define APPS_PRESSED 0x2000
770 /* The current ANSI input codepage for GUI sessions. */
771 extern int w32_keyboard_codepage;
773 /* When compiling on Windows 9x/ME and NT 3.x, the following are not defined
774 (even though they are supported on 98 and ME. */
775 #ifndef WM_MOUSELEAVE
776 #define WM_MOUSELEAVE 0x02A3
777 #define TME_LEAVE 0x00000002;
779 typedef struct tagTRACKMOUSEEVENT
781 DWORD cbSize;
782 DWORD dwFlags;
783 HWND hwndTrack;
784 DWORD dwHoverTime;
785 } TRACKMOUSEEVENT;
786 #endif
788 struct image;
789 struct face;
791 XGCValues *XCreateGC (void *, Window, unsigned long, XGCValues *);
793 typedef DWORD (WINAPI * ClipboardSequence_Proc) (void);
794 typedef BOOL (WINAPI * AppendMenuW_Proc) (
795 IN HMENU,
796 IN UINT,
797 IN UINT_PTR,
798 IN LPCWSTR);
800 extern HWND w32_system_caret_hwnd;
801 extern int w32_system_caret_height;
802 extern int w32_system_caret_x;
803 extern int w32_system_caret_y;
804 extern struct window *w32_system_caret_window;
805 extern int w32_system_caret_hdr_height;
806 extern int w32_system_caret_mode_height;
808 #ifdef _MSC_VER
809 #ifndef EnumSystemLocales
810 /* MSVC headers define these only for _WIN32_WINNT >= 0x0500. */
811 typedef BOOL (CALLBACK *LOCALE_ENUMPROCA)(LPSTR);
812 typedef BOOL (CALLBACK *LOCALE_ENUMPROCW)(LPWSTR);
813 BOOL WINAPI EnumSystemLocalesA(LOCALE_ENUMPROCA,DWORD);
814 BOOL WINAPI EnumSystemLocalesW(LOCALE_ENUMPROCW,DWORD);
815 #ifdef UNICODE
816 #define EnumSystemLocales EnumSystemLocalesW
817 #else
818 #define EnumSystemLocales EnumSystemLocalesA
819 #endif
820 #endif
821 #endif
823 #if EMACSDEBUG
824 extern const char*
825 w32_name_of_message (UINT msg);
826 #endif /* EMACSDEBUG */
828 #ifdef NTGUI_UNICODE
829 extern Lisp_Object ntgui_encode_system (Lisp_Object str);
830 #define GUISTR(x) (L ## x)
831 #define GUI_ENCODE_FILE GUI_ENCODE_SYSTEM
832 #define GUI_ENCODE_SYSTEM(x) ntgui_encode_system (x)
833 #define GUI_FN(fn) fn ## W
834 typedef wchar_t guichar_t;
835 #else /* !NTGUI_UNICODE */
836 #define GUISTR(x) x
837 #define GUI_ENCODE_FILE ENCODE_FILE
838 #define GUI_ENCODE_SYSTEM ENCODE_SYSTEM
839 #define GUI_FN(fn) fn
840 typedef char guichar_t;
841 #endif /* NTGUI_UNICODE */
843 #define GUI_SDATA(x) ((guichar_t*) SDATA (x))
845 extern Lisp_Object w32_popup_dialog (struct frame *, Lisp_Object, Lisp_Object);
846 extern void w32_arrow_cursor (void);
848 extern void syms_of_w32term (void);
849 extern void syms_of_w32menu (void);
850 extern void syms_of_w32fns (void);
852 extern void globals_of_w32menu (void);
853 extern void globals_of_w32fns (void);
854 extern void globals_of_w32notify (void);
856 #ifdef CYGWIN
857 extern int w32_message_fd;
858 #endif /* CYGWIN */