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c3b8ccce GV |
1 | /* Definitions and headers for communication with Win32 GUI. |
2 | Copyright (C) 1995 Free Software Foundation, Inc. | |
3 | ||
4 | This file is part of GNU Emacs. | |
5 | ||
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. | |
10 | ||
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. | |
15 | ||
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 | |
3b7ad313 EN |
18 | the Free Software Foundation, Inc., 59 Temple Place - Suite 330, |
19 | Boston, MA 02111-1307, USA. */ | |
c3b8ccce GV |
20 | |
21 | /* Added by Kevin Gallo */ | |
22 | ||
23 | #include <win32.h> | |
24 | ||
25 | /* The class of this X application. */ | |
26 | #define EMACS_CLASS "Emacs" | |
27 | \f | |
28 | #define BLACK_PIX_DEFAULT(f) RGB(0,0,0) | |
29 | #define WHITE_PIX_DEFAULT(f) RGB(255,255,255) | |
30 | ||
9c35997b | 31 | #define FONT_WIDTH(f) ((f)->tm.tmAveCharWidth) |
c3b8ccce GV |
32 | #define FONT_HEIGHT(f) ((f)->tm.tmHeight) |
33 | #define FONT_BASE(f) ((f)->tm.tmAscent) | |
34 | ||
35 | #define CHECK_WIN32_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_WIN32_P (f)) | |
44 | ||
45 | /* Indicates whether we are in the readsocket call and the message we | |
46 | are processing in the current loop */ | |
47 | ||
48 | extern MSG CurMsg; | |
49 | extern BOOL bUseDflt; | |
50 | ||
51 | extern struct frame *x_window_to_frame (); | |
52 | ||
53 | enum text_cursor_kinds { | |
54 | filled_box_cursor, hollow_box_cursor, bar_cursor | |
55 | }; | |
56 | ||
57 | /* This data type is used for the font_table field | |
58 | of struct win32_display_info. */ | |
59 | ||
60 | struct font_info | |
61 | { | |
62 | XFontStruct *font; | |
63 | char *name; | |
64 | }; | |
65 | ||
66 | /* Structure recording bitmaps and reference count. | |
67 | If REFCOUNT is 0 then this record is free to be reused. */ | |
68 | ||
69 | struct win32_bitmap_record | |
70 | { | |
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; | |
77 | }; | |
78 | \f | |
79 | /* For each display (currently only one on win32), we have a structure that | |
80 | records information about it. */ | |
81 | ||
82 | struct win32_display_info | |
83 | { | |
84 | /* Chain of all win32_display_info structures. */ | |
85 | struct win32_display_info *next; | |
86 | /* This is a cons cell of the form (NAME . FONT-LIST-CACHE). | |
87 | The same cons cell also appears in x_display_name_list. */ | |
88 | Lisp_Object name_list_element; | |
89 | /* Number of frames that are on this display. */ | |
90 | int reference_count; | |
91 | /* Number of planes on this screen. */ | |
92 | int n_planes; | |
93 | /* Number of bits per pixel on this screen. */ | |
94 | int n_cbits; | |
95 | /* Dimensions of this screen. */ | |
96 | int height, width; | |
97 | int height_in,width_in; | |
98 | /* Mask of things that cause the mouse to be grabbed. */ | |
99 | int grabbed; | |
100 | /* The root window of this screen. */ | |
101 | Window root_window; | |
102 | /* The cursor to use for vertical scroll bars. */ | |
103 | Cursor vertical_scroll_bar_cursor; | |
104 | ||
105 | /* A table of all the fonts we have already loaded. */ | |
106 | struct font_info *font_table; | |
107 | ||
108 | /* The current capacity of x_font_table. */ | |
109 | int font_table_size; | |
110 | ||
111 | /* These variables describe the range of text currently shown | |
112 | in its mouse-face, together with the window they apply to. | |
113 | As long as the mouse stays within this range, we need not | |
114 | redraw anything on its account. */ | |
115 | int mouse_face_beg_row, mouse_face_beg_col; | |
116 | int mouse_face_end_row, mouse_face_end_col; | |
117 | int mouse_face_past_end; | |
118 | Lisp_Object mouse_face_window; | |
119 | int mouse_face_face_id; | |
120 | ||
121 | /* 1 if a mouse motion event came and we didn't handle it right away because | |
122 | gc was in progress. */ | |
123 | int mouse_face_deferred_gc; | |
124 | ||
125 | /* FRAME and X, Y position of mouse when last checked for | |
126 | highlighting. X and Y can be negative or out of range for the frame. */ | |
127 | struct frame *mouse_face_mouse_frame; | |
128 | int mouse_face_mouse_x, mouse_face_mouse_y; | |
129 | ||
130 | /* Nonzero means defer mouse-motion highlighting. */ | |
131 | int mouse_face_defer; | |
132 | ||
133 | char *win32_id_name; | |
134 | ||
135 | /* The number of fonts actually stored in win32_font_table. | |
136 | font_table[n] is used and valid iff 0 <= n < n_fonts. | |
137 | 0 <= n_fonts <= font_table_size. */ | |
138 | int n_fonts; | |
139 | ||
140 | /* Pointer to bitmap records. */ | |
141 | struct win32_bitmap_record *bitmaps; | |
142 | ||
143 | /* Allocated size of bitmaps field. */ | |
144 | int bitmaps_size; | |
145 | ||
146 | /* Last used bitmap index. */ | |
147 | int bitmaps_last; | |
148 | ||
149 | /* The frame (if any) which has the window that has keyboard focus. | |
150 | Zero if none. This is examined by Ffocus_frame in w32fns.c. Note | |
151 | that a mere EnterNotify event can set this; if you need to know the | |
152 | last frame specified in a FocusIn or FocusOut event, use | |
153 | win32_focus_event_frame. */ | |
154 | struct frame *win32_focus_frame; | |
155 | ||
156 | /* The last frame mentioned in a FocusIn or FocusOut event. This is | |
157 | separate from win32_focus_frame, because whether or not LeaveNotify | |
158 | events cause us to lose focus depends on whether or not we have | |
159 | received a FocusIn event for it. */ | |
160 | struct frame *win32_focus_event_frame; | |
161 | ||
162 | /* The frame which currently has the visual highlight, and should get | |
163 | keyboard input (other sorts of input have the frame encoded in the | |
164 | event). It points to the focus frame's selected window's | |
165 | frame. It differs from win32_focus_frame when we're using a global | |
166 | minibuffer. */ | |
167 | struct frame *win32_highlight_frame; | |
168 | }; | |
169 | ||
170 | /* This is a chain of structures for all the displays currently in use. */ | |
171 | extern struct win32_display_info one_win32_display_info; | |
172 | ||
173 | /* This is a list of cons cells, each of the form (NAME . FONT-LIST-CACHE), | |
174 | one for each element of win32_display_list and in the same order. | |
175 | NAME is the name of the frame. | |
176 | FONT-LIST-CACHE records previous values returned by x-list-fonts. */ | |
177 | extern Lisp_Object win32_display_name_list; | |
178 | ||
179 | extern struct win32_display_info *x_display_info_for_display (); | |
180 | extern struct win32_display_info *x_display_info_for_name (); | |
181 | ||
182 | extern struct win32_display_info *win32_term_init (); | |
183 | \f | |
184 | /* Each Win32 frame object points to its own struct win32_display object | |
185 | in the output_data.win32 field. The win32_display structure contains all | |
186 | the information that is specific to Win32 windows. */ | |
187 | ||
188 | struct win32_output | |
189 | { | |
190 | /* Position of the Win32 window (x and y offsets in root window). */ | |
191 | int left_pos; | |
192 | int top_pos; | |
193 | ||
194 | /* Border width of the Win32 window as known by the window system. */ | |
195 | int border_width; | |
196 | ||
197 | /* Size of the Win32 window in pixels. */ | |
198 | int pixel_height, pixel_width; | |
199 | ||
200 | /* Height of a line, in pixels. */ | |
201 | int line_height; | |
202 | ||
203 | /* Width of the internal border. This is a line of background color | |
204 | just inside the window's border. When the frame is selected, | |
205 | a highlighting is displayed inside the internal border. */ | |
206 | int internal_border_width; | |
207 | ||
208 | /* The window used for this frame. | |
209 | May be zero while the frame object is being created | |
210 | and the window has not yet been created. */ | |
211 | Window window_desc; | |
212 | ||
213 | /* The window that is the parent of this window. | |
214 | Usually this is a window that was made by the window manager, | |
215 | but it can be the root window, and it can be explicitly specified | |
216 | (see the explicit_parent field, below). */ | |
217 | Window parent_desc; | |
218 | ||
219 | XFontStruct *font; | |
220 | ||
221 | /* Pixel values used for various purposes. | |
222 | border_pixel may be -1 meaning use a gray tile. */ | |
223 | unsigned long background_pixel; | |
224 | unsigned long foreground_pixel; | |
225 | unsigned long cursor_pixel; | |
226 | unsigned long border_pixel; | |
227 | unsigned long mouse_pixel; | |
228 | unsigned long cursor_foreground_pixel; | |
229 | ||
230 | /* Descriptor for the cursor in use for this window. */ | |
231 | Cursor text_cursor; | |
232 | Cursor nontext_cursor; | |
233 | Cursor modeline_cursor; | |
234 | Cursor cross_cursor; | |
235 | ||
236 | /* Flag to set when the window needs to be completely repainted. */ | |
237 | int needs_exposure; | |
238 | ||
239 | /* What kind of text cursor is drawn in this window right now? | |
240 | (If there is no cursor (phys_cursor_x < 0), then this means nothing.) */ | |
241 | enum text_cursor_kinds current_cursor; | |
242 | ||
243 | /* What kind of text cursor should we draw in the future? | |
244 | This should always be filled_box_cursor or bar_cursor. */ | |
245 | enum text_cursor_kinds desired_cursor; | |
246 | ||
247 | /* Width of bar cursor (if we are using that). */ | |
248 | int cursor_width; | |
249 | ||
250 | DWORD dwStyle; | |
251 | ||
252 | /* The size of the extra width currently allotted for vertical | |
253 | scroll bars, in pixels. */ | |
254 | int vertical_scroll_bar_extra; | |
255 | ||
256 | /* Table of parameter faces for this frame. Any resources (pixel | |
257 | values, fonts) referred to here have been allocated explicitly | |
258 | for this face, and should be freed if we change the face. */ | |
259 | struct face **param_faces; | |
260 | int n_param_faces; | |
261 | ||
262 | /* Table of computed faces for this frame. These are the faces | |
263 | whose indexes go into the upper bits of a glyph, computed by | |
264 | combining the parameter faces specified by overlays, text | |
265 | properties, and what have you. The resources mentioned here | |
266 | are all shared with parameter faces. */ | |
267 | struct face **computed_faces; | |
268 | int n_computed_faces; /* How many are valid */ | |
269 | int size_computed_faces; /* How many are allocated */ | |
270 | ||
271 | /* This is the gravity value for the specified window position. */ | |
272 | int win_gravity; | |
273 | ||
274 | /* The geometry flags for this window. */ | |
275 | int size_hint_flags; | |
276 | ||
277 | /* This is the Emacs structure for the display this frame is on. */ | |
278 | /* struct win32_display_info *display_info; */ | |
279 | ||
280 | /* Nonzero means our parent is another application's window | |
281 | and was explicitly specified. */ | |
282 | char explicit_parent; | |
283 | ||
284 | /* Nonzero means tried already to make this frame visible. */ | |
285 | char asked_for_visible; | |
286 | }; | |
287 | ||
288 | /* Get at the computed faces of an X window frame. */ | |
289 | #define FRAME_PARAM_FACES(f) ((f)->output_data.win32->param_faces) | |
290 | #define FRAME_N_PARAM_FACES(f) ((f)->output_data.win32->n_param_faces) | |
291 | #define FRAME_DEFAULT_PARAM_FACE(f) (FRAME_PARAM_FACES (f)[0]) | |
292 | #define FRAME_MODE_LINE_PARAM_FACE(f) (FRAME_PARAM_FACES (f)[1]) | |
293 | ||
294 | #define FRAME_COMPUTED_FACES(f) ((f)->output_data.win32->computed_faces) | |
295 | #define FRAME_N_COMPUTED_FACES(f) ((f)->output_data.win32->n_computed_faces) | |
296 | #define FRAME_SIZE_COMPUTED_FACES(f) ((f)->output_data.win32->size_computed_faces) | |
297 | #define FRAME_DEFAULT_FACE(f) ((f)->output_data.win32->computed_faces[0]) | |
298 | #define FRAME_MODE_LINE_FACE(f) ((f)->output_data.win32->computed_faces[1]) | |
299 | ||
300 | /* Return the window associated with the frame F. */ | |
301 | #define FRAME_WIN32_WINDOW(f) ((f)->output_data.win32->window_desc) | |
302 | ||
303 | #define FRAME_FOREGROUND_PIXEL(f) ((f)->output_data.win32->foreground_pixel) | |
304 | #define FRAME_BACKGROUND_PIXEL(f) ((f)->output_data.win32->background_pixel) | |
305 | #define FRAME_FONT(f) ((f)->output_data.win32->font) | |
306 | #define FRAME_INTERNAL_BORDER_WIDTH(f) ((f)->output_data.win32->internal_border_width) | |
307 | ||
308 | /* This gives the win32_display_info structure for the display F is on. */ | |
309 | #define FRAME_WIN32_DISPLAY_INFO(f) (&one_win32_display_info) | |
310 | ||
311 | /* These two really ought to be called FRAME_PIXEL_{WIDTH,HEIGHT}. */ | |
312 | #define PIXEL_WIDTH(f) ((f)->output_data.win32->pixel_width) | |
313 | #define PIXEL_HEIGHT(f) ((f)->output_data.win32->pixel_height) | |
314 | #define FRAME_LINE_HEIGHT(f) ((f)->output_data.win32->line_height) | |
315 | ||
316 | #define FRAME_DESIRED_CURSOR(f) ((f)->output_data.win32->desired_cursor) | |
317 | ||
318 | \f | |
319 | /* Win32-specific scroll bar stuff. */ | |
320 | ||
321 | /* We represent scroll bars as lisp vectors. This allows us to place | |
322 | references to them in windows without worrying about whether we'll | |
323 | end up with windows referring to dead scroll bars; the garbage | |
324 | collector will free it when its time comes. | |
325 | ||
326 | We use struct scroll_bar as a template for accessing fields of the | |
327 | vector. */ | |
328 | ||
329 | struct scroll_bar { | |
330 | ||
331 | /* These fields are shared by all vectors. */ | |
332 | EMACS_INT size_from_Lisp_Vector_struct; | |
333 | struct Lisp_Vector *next_from_Lisp_Vector_struct; | |
334 | ||
335 | /* The window we're a scroll bar for. */ | |
336 | Lisp_Object window; | |
337 | ||
338 | /* The next and previous in the chain of scroll bars in this frame. */ | |
339 | Lisp_Object next, prev; | |
340 | ||
341 | /* The window representing this scroll bar. Since this is a full | |
342 | 32-bit quantity, we store it split into two 32-bit values. */ | |
343 | Lisp_Object win32_window_low, win32_window_high; | |
344 | ||
345 | /* The position and size of the scroll bar in pixels, relative to the | |
346 | frame. */ | |
347 | Lisp_Object top, left, width, height; | |
348 | ||
349 | /* The starting and ending positions of the handle, relative to the | |
350 | handle area (i.e. zero is the top position, not | |
351 | SCROLL_BAR_TOP_BORDER). If they're equal, that means the handle | |
352 | hasn't been drawn yet. | |
353 | ||
354 | These are not actually the locations where the beginning and end | |
355 | are drawn; in order to keep handles from becoming invisible when | |
356 | editing large files, we establish a minimum height by always | |
357 | drawing handle bottoms VERTICAL_SCROLL_BAR_MIN_HANDLE pixels below | |
358 | where they would be normally; the bottom and top are in a | |
359 | different co-ordinate system. */ | |
360 | Lisp_Object start, end; | |
361 | ||
362 | /* If the scroll bar handle is currently being dragged by the user, | |
363 | this is the number of pixels from the top of the handle to the | |
364 | place where the user grabbed it. If the handle isn't currently | |
365 | being dragged, this is Qnil. */ | |
366 | Lisp_Object dragging; | |
367 | }; | |
368 | ||
369 | /* The number of elements a vector holding a struct scroll_bar needs. */ | |
370 | #define SCROLL_BAR_VEC_SIZE \ | |
371 | ((sizeof (struct scroll_bar) \ | |
372 | - sizeof (EMACS_INT) - sizeof (struct Lisp_Vector *)) \ | |
373 | / sizeof (Lisp_Object)) | |
374 | ||
375 | /* Turning a lisp vector value into a pointer to a struct scroll_bar. */ | |
376 | #define XSCROLL_BAR(vec) ((struct scroll_bar *) XVECTOR (vec)) | |
377 | ||
378 | ||
379 | /* Building a 32-bit C integer from two 16-bit lisp integers. */ | |
380 | #define SCROLL_BAR_PACK(low, high) (XINT (high) << 16 | XINT (low)) | |
381 | ||
382 | /* Setting two lisp integers to the low and high words of a 32-bit C int. */ | |
383 | #define SCROLL_BAR_UNPACK(low, high, int32) \ | |
384 | (XSETINT ((low), (int32) & 0xffff), \ | |
385 | XSETINT ((high), ((int32) >> 16) & 0xffff)) | |
386 | ||
387 | ||
388 | /* Extract the window id of the scroll bar from a struct scroll_bar. */ | |
389 | #define SCROLL_BAR_WIN32_WINDOW(ptr) \ | |
390 | ((Window) SCROLL_BAR_PACK ((ptr)->win32_window_low, (ptr)->win32_window_high)) | |
391 | ||
392 | /* Store a window id in a struct scroll_bar. */ | |
393 | #define SET_SCROLL_BAR_WIN32_WINDOW(ptr, id) \ | |
394 | (SCROLL_BAR_UNPACK ((ptr)->win32_window_low, (ptr)->win32_window_high, (int) id)) | |
395 | ||
396 | ||
397 | /* Return the outside pixel height for a vertical scroll bar HEIGHT | |
398 | rows high on frame F. */ | |
399 | #define VERTICAL_SCROLL_BAR_PIXEL_HEIGHT(f, height) \ | |
400 | ((height) * (f)->output_data.win32->line_height) | |
401 | ||
402 | /* Return the inside width of a vertical scroll bar, given the outside | |
403 | width. */ | |
404 | #define VERTICAL_SCROLL_BAR_INSIDE_WIDTH(width) \ | |
405 | ((width) - VERTICAL_SCROLL_BAR_LEFT_BORDER - VERTICAL_SCROLL_BAR_RIGHT_BORDER) | |
406 | ||
407 | /* Return the length of the rectangle within which the top of the | |
408 | handle must stay. This isn't equivalent to the inside height, | |
409 | because the scroll bar handle has a minimum height. | |
410 | ||
411 | This is the real range of motion for the scroll bar, so when we're | |
412 | scaling buffer positions to scroll bar positions, we use this, not | |
413 | VERTICAL_SCROLL_BAR_INSIDE_HEIGHT. */ | |
414 | #define VERTICAL_SCROLL_BAR_TOP_RANGE(height) \ | |
415 | (VERTICAL_SCROLL_BAR_INSIDE_HEIGHT (height) - VERTICAL_SCROLL_BAR_MIN_HANDLE) | |
416 | ||
417 | /* Return the inside height of vertical scroll bar, given the outside | |
418 | height. See VERTICAL_SCROLL_BAR_TOP_RANGE too. */ | |
419 | #define VERTICAL_SCROLL_BAR_INSIDE_HEIGHT(height) \ | |
420 | ((height) - VERTICAL_SCROLL_BAR_TOP_BORDER - VERTICAL_SCROLL_BAR_BOTTOM_BORDER) | |
421 | ||
422 | ||
423 | /* Border widths for scroll bars. | |
424 | ||
425 | Scroll bar windows don't have any borders; their border width is | |
426 | set to zero, and we redraw borders ourselves. This makes the code | |
427 | a bit cleaner, since we don't have to convert between outside width | |
428 | (used when relating to the rest of the screen) and inside width | |
429 | (used when sizing and drawing the scroll bar window itself). | |
430 | ||
431 | The handle moves up and down/back and forth in a rectangle inset | |
432 | from the edges of the scroll bar. These are widths by which we | |
433 | inset the handle boundaries from the scroll bar edges. */ | |
434 | #define VERTICAL_SCROLL_BAR_LEFT_BORDER (0) | |
435 | #define VERTICAL_SCROLL_BAR_RIGHT_BORDER (0) | |
436 | #define VERTICAL_SCROLL_BAR_TOP_BORDER (0) | |
437 | #define VERTICAL_SCROLL_BAR_BOTTOM_BORDER (0) | |
438 | ||
439 | /* Minimum lengths for scroll bar handles, in pixels. */ | |
440 | #define VERTICAL_SCROLL_BAR_MIN_HANDLE (0) | |
441 | ||
442 | \f | |
443 | /* Manipulating pixel sizes and character sizes. | |
444 | Knowledge of which factors affect the overall size of the window should | |
445 | be hidden in these macros, if that's possible. | |
446 | ||
447 | Return the upper/left pixel position of the character cell on frame F | |
448 | at ROW/COL. */ | |
449 | #define CHAR_TO_PIXEL_ROW(f, row) \ | |
450 | ((f)->output_data.win32->internal_border_width \ | |
451 | + (row) * (f)->output_data.win32->line_height) | |
452 | #define CHAR_TO_PIXEL_COL(f, col) \ | |
453 | ((f)->output_data.win32->internal_border_width \ | |
454 | + (col) * FONT_WIDTH ((f)->output_data.win32->font)) | |
455 | ||
456 | /* Return the pixel width/height of frame F if it has | |
457 | WIDTH columns/HEIGHT rows. */ | |
458 | #define CHAR_TO_PIXEL_WIDTH(f, width) \ | |
459 | (CHAR_TO_PIXEL_COL (f, width) \ | |
460 | + (f)->output_data.win32->vertical_scroll_bar_extra \ | |
461 | + (f)->output_data.win32->internal_border_width) | |
462 | #define CHAR_TO_PIXEL_HEIGHT(f, height) \ | |
463 | (CHAR_TO_PIXEL_ROW (f, height) \ | |
464 | + (f)->output_data.win32->internal_border_width) | |
465 | ||
466 | ||
467 | /* Return the row/column (zero-based) of the character cell containing | |
468 | the pixel on FRAME at ROW/COL. */ | |
469 | #define PIXEL_TO_CHAR_ROW(f, row) \ | |
470 | (((row) - (f)->output_data.win32->internal_border_width) \ | |
471 | / (f)->output_data.win32->line_height) | |
472 | #define PIXEL_TO_CHAR_COL(f, col) \ | |
473 | (((col) - (f)->output_data.win32->internal_border_width) \ | |
474 | / FONT_WIDTH ((f)->output_data.win32->font)) | |
475 | ||
476 | /* How many columns/rows of text can we fit in WIDTH/HEIGHT pixels on | |
477 | frame F? */ | |
478 | #define PIXEL_TO_CHAR_WIDTH(f, width) \ | |
479 | (PIXEL_TO_CHAR_COL (f, ((width) \ | |
480 | - (f)->output_data.win32->internal_border_width \ | |
481 | - (f)->output_data.win32->vertical_scroll_bar_extra))) | |
482 | #define PIXEL_TO_CHAR_HEIGHT(f, height) \ | |
483 | (PIXEL_TO_CHAR_ROW (f, ((height) \ | |
484 | - (f)->output_data.win32->internal_border_width))) | |
485 | \f | |
486 | /* Interface to the face code functions. */ | |
487 | ||
488 | /* Create the first two computed faces for a frame -- the ones that | |
489 | have GC's. */ | |
490 | extern void init_frame_faces (/* FRAME_PTR */); | |
491 | ||
492 | /* Free the resources for the faces associated with a frame. */ | |
493 | extern void free_frame_faces (/* FRAME_PTR */); | |
494 | ||
495 | /* Given a computed face, find or make an equivalent display face | |
496 | in face_vector, and return a pointer to it. */ | |
497 | extern struct face *intern_face (/* FRAME_PTR, struct face * */); | |
498 | ||
499 | /* Given a frame and a face name, return the face's ID number, or | |
500 | zero if it isn't a recognized face name. */ | |
501 | extern int face_name_id_number (/* FRAME_PTR, Lisp_Object */); | |
502 | ||
503 | /* Return non-zero if FONT1 and FONT2 have the same size bounding box. | |
504 | We assume that they're both character-cell fonts. */ | |
505 | extern int same_size_fonts (/* XFontStruct *, XFontStruct * */); | |
506 | ||
507 | /* Recompute the GC's for the default and modeline faces. | |
508 | We call this after changing frame parameters on which those GC's | |
509 | depend. */ | |
510 | extern void recompute_basic_faces (/* FRAME_PTR */); | |
511 | ||
512 | /* Return the face ID associated with a buffer position POS. Store | |
513 | into *ENDPTR the next position at which a different face is | |
514 | needed. This does not take account of glyphs that specify their | |
515 | own face codes. F is the frame in use for display, and W is a | |
516 | window displaying the current buffer. | |
517 | ||
518 | REGION_BEG, REGION_END delimit the region, so it can be highlighted. */ | |
519 | extern int compute_char_face (/* FRAME_PTR frame, | |
520 | struct window *w, | |
521 | int pos, | |
522 | int region_beg, int region_end, | |
523 | int *endptr */); | |
524 | /* Return the face ID to use to display a special glyph which selects | |
525 | FACE_CODE as the face ID, assuming that ordinarily the face would | |
526 | be BASIC_FACE. F is the frame. */ | |
527 | extern int compute_glyph_face (/* FRAME_PTR, int */); | |
528 | ||
529 | extern void win32_fill_rect (); | |
530 | extern void win32_clear_window (); | |
531 | ||
532 | #define win32_fill_area(f,hdc,pix,x,y,nx,ny) \ | |
533 | { \ | |
534 | RECT rect; \ | |
535 | rect.left = x; \ | |
536 | rect.top = y; \ | |
537 | rect.right = x + nx; \ | |
538 | rect.bottom = y + ny; \ | |
539 | win32_fill_rect (f,hdc,pix,&rect); \ | |
540 | } | |
541 | ||
542 | #define win32_clear_rect(f,hdc,lprect) \ | |
543 | win32_fill_rect (f,hdc,f->output_data.win32->background_pixel,lprect) | |
544 | ||
545 | #define win32_clear_area(f,hdc,x,y,nx,ny) \ | |
546 | win32_fill_area (f,hdc,f->output_data.win32->background_pixel,x,y,nx,ny) | |
547 | ||
548 | extern XFontStruct *win32_load_font (); | |
549 | extern void win32_unload_font (); | |
550 | ||
3c190163 GV |
551 | extern HDC map_mode(); |
552 | ||
553 | #define my_get_dc(hwnd) (map_mode (GetDC (hwnd))) | |
554 | ||
c3b8ccce GV |
555 | #define WM_EMACS_START (WM_USER + 1) |
556 | #define WM_EMACS_KILL (WM_EMACS_START + 0x00) | |
557 | #define WM_EMACS_CREATEWINDOW (WM_EMACS_START + 0x01) | |
558 | #define WM_EMACS_DONE (WM_EMACS_START + 0x02) | |
559 | #define WM_EMACS_CREATESCROLLBAR (WM_EMACS_START + 0x03) | |
560 | #define WM_EMACS_DESTROYWINDOW (WM_EMACS_START + 0x04) | |
561 | #define WM_EMACS_END (WM_EMACS_START + 0x10) | |
562 | ||
563 | #define WND_X_UNITS_INDEX (0) | |
564 | #define WND_Y_UNITS_INDEX (4) | |
565 | #define WND_BACKGROUND_INDEX (8) | |
566 | ||
567 | #define WND_LAST_INDEX (16) | |
568 | #define WND_EXTRA_BYTES (WND_LAST_INDEX) | |
569 | ||
570 | extern DWORD dwWinThreadId; | |
571 | extern HANDLE hWinThread; | |
572 | extern DWORD dwMainThreadId; | |
573 | extern HANDLE hMainThread; | |
574 | ||
575 | typedef struct Win32Msg { | |
576 | MSG msg; | |
577 | DWORD dwModifiers; | |
578 | RECT rect; | |
579 | } Win32Msg; | |
580 | ||
581 | extern void init_crit (); | |
3c190163 GV |
582 | extern void enter_crit (); |
583 | extern void leave_crit (); | |
c3b8ccce GV |
584 | extern void delete_crit (); |
585 | ||
586 | extern BOOL get_next_msg (); | |
587 | extern BOOL post_msg (); | |
588 | extern void wait_for_sync (); | |
589 | ||
590 | extern BOOL parse_button (); | |
c684f475 GV |
591 | |
592 | /* Keypad command key support. Win32 doesn't have virtual keys defined | |
593 | for the function keys on the keypad (they are mapped to the standard | |
594 | fuction keys), so we define our own. */ | |
595 | #define VK_NUMPAD_BEGIN 0x92 | |
596 | #define VK_NUMPAD_CLEAR (VK_NUMPAD_BEGIN + 0) | |
597 | #define VK_NUMPAD_ENTER (VK_NUMPAD_BEGIN + 1) | |
598 | #define VK_NUMPAD_PRIOR (VK_NUMPAD_BEGIN + 2) | |
599 | #define VK_NUMPAD_NEXT (VK_NUMPAD_BEGIN + 3) | |
600 | #define VK_NUMPAD_END (VK_NUMPAD_BEGIN + 4) | |
601 | #define VK_NUMPAD_HOME (VK_NUMPAD_BEGIN + 5) | |
602 | #define VK_NUMPAD_LEFT (VK_NUMPAD_BEGIN + 6) | |
603 | #define VK_NUMPAD_UP (VK_NUMPAD_BEGIN + 7) | |
604 | #define VK_NUMPAD_RIGHT (VK_NUMPAD_BEGIN + 8) | |
605 | #define VK_NUMPAD_DOWN (VK_NUMPAD_BEGIN + 9) | |
606 | #define VK_NUMPAD_INSERT (VK_NUMPAD_BEGIN + 10) | |
607 | #define VK_NUMPAD_DELETE (VK_NUMPAD_BEGIN + 11) | |
608 | ||
609 | #ifndef VK_LWIN | |
610 | /* Older compiler environments don't have these defined. */ | |
611 | #define VK_LWIN 0x5B | |
612 | #define VK_RWIN 0x5C | |
613 | #define VK_APPS 0x5D | |
614 | #endif |