Commit | Line | Data |
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1a578e9b | 1 | /* Display module for Mac OS. |
e0f712ba | 2 | Copyright (C) 2000, 2001 Free Software Foundation, Inc. |
1a578e9b AC |
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 | |
18 | the Free Software Foundation, Inc., 59 Temple Place - Suite 330, | |
19 | Boston, MA 02111-1307, USA. */ | |
20 | ||
e0f712ba | 21 | /* Contributed by Andrew Choi (akochoi@mac.com). */ |
1a578e9b AC |
22 | |
23 | #include "macgui.h" | |
24 | #include "frame.h" | |
25 | ||
1a578e9b AC |
26 | #define RGB_TO_ULONG(r, g, b) (((r) << 16) | ((g) << 8) | (b)) |
27 | ||
28 | #define RED_FROM_ULONG(color) ((color) >> 16) | |
29 | #define GREEN_FROM_ULONG(color) (((color) >> 8) & 0xff) | |
30 | #define BLUE_FROM_ULONG(color) ((color) & 0xff) | |
31 | ||
e3564461 ST |
32 | /* Do not change `* 0x101' in the following lines to `<< 8'. If |
33 | changed, image masks in 1-bit depth will not work. */ | |
34 | #define RED16_FROM_ULONG(color) (RED_FROM_ULONG(color) * 0x101) | |
35 | #define GREEN16_FROM_ULONG(color) (GREEN_FROM_ULONG(color) * 0x101) | |
36 | #define BLUE16_FROM_ULONG(color) (BLUE_FROM_ULONG(color) * 0x101) | |
37 | ||
1a578e9b AC |
38 | #define BLACK_PIX_DEFAULT(f) RGB_TO_ULONG(0,0,0) |
39 | #define WHITE_PIX_DEFAULT(f) RGB_TO_ULONG(255,255,255) | |
40 | ||
e3564461 ST |
41 | /* A black pixel in a mask bitmap/pixmap means ``draw a source |
42 | pixel''. A white pixel means ``retain the current pixel''. */ | |
43 | #define PIX_MASK_DRAW(f) BLACK_PIX_DEFAULT(f) | |
44 | #define PIX_MASK_RETAIN(f) WHITE_PIX_DEFAULT(f) | |
45 | ||
1a578e9b AC |
46 | #define FONT_WIDTH(f) ((f)->max_bounds.width) |
47 | #define FONT_HEIGHT(f) ((f)->ascent + (f)->descent) | |
48 | #define FONT_BASE(f) ((f)->ascent) | |
49 | #define FONT_DESCENT(f) ((f)->descent) | |
50 | ||
51 | #define FONT_MAX_WIDTH(f) FONT_WIDTH(f) /* fix later */ | |
52 | ||
1a578e9b AC |
53 | /* Structure recording bitmaps and reference count. |
54 | If REFCOUNT is 0 then this record is free to be reused. */ | |
55 | ||
177c0ea7 | 56 | struct mac_bitmap_record |
1a578e9b AC |
57 | { |
58 | char *bitmap_data; | |
79af19c4 | 59 | char *file; |
1a578e9b AC |
60 | int refcount; |
61 | int height, width; | |
62 | }; | |
63 | ||
64 | ||
65 | /* For each display (currently only one on mac), we have a structure that | |
66 | records information about it. */ | |
67 | ||
68 | struct mac_display_info | |
69 | { | |
70 | /* Chain of all mac_display_info structures. */ | |
71 | struct mac_display_info *next; | |
72 | ||
73 | /* This is a cons cell of the form (NAME . FONT-LIST-CACHE). | |
74 | The same cons cell also appears in x_display_name_list. */ | |
75 | Lisp_Object name_list_element; | |
76 | ||
77 | /* Number of frames that are on this display. */ | |
78 | int reference_count; | |
79 | ||
80 | /* Dots per inch of the screen. */ | |
81 | double resx, resy; | |
82 | ||
83 | /* Number of planes on this screen. */ | |
84 | int n_planes; | |
85 | ||
e3564461 ST |
86 | /* Whether the screen supports color */ |
87 | int color_p; | |
88 | ||
89 | #if 0 | |
1a578e9b AC |
90 | /* Number of bits per pixel on this screen. */ |
91 | int n_cbits; | |
e3564461 | 92 | #endif |
1a578e9b AC |
93 | |
94 | /* Dimensions of this screen. */ | |
95 | int height, width; | |
96 | #if 0 | |
97 | int height_in,width_in; | |
98 | #endif | |
99 | ||
100 | /* Mask of things that cause the mouse to be grabbed. */ | |
101 | int grabbed; | |
102 | ||
103 | #if 0 | |
104 | /* Emacs bitmap-id of the default icon bitmap for this frame. | |
105 | Or -1 if none has been allocated yet. */ | |
106 | int icon_bitmap_id; | |
107 | ||
108 | #endif | |
109 | /* The root window of this screen. */ | |
110 | Window root_window; | |
111 | ||
112 | /* The cursor to use for vertical scroll bars. */ | |
365fa1b3 | 113 | Cursor vertical_scroll_bar_cursor; |
1a578e9b | 114 | |
c900f291 KS |
115 | /* Resource data base */ |
116 | XrmDatabase xrdb; | |
117 | ||
1a578e9b AC |
118 | #if 0 |
119 | /* color palette information. */ | |
120 | int has_palette; | |
121 | struct w32_palette_entry * color_list; | |
122 | unsigned num_colors; | |
123 | HPALETTE palette; | |
124 | ||
125 | /* deferred action flags checked when starting frame update. */ | |
126 | int regen_palette; | |
127 | ||
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; | |
131 | ||
132 | #endif | |
133 | ||
134 | /* A table of all the fonts we have already loaded. */ | |
135 | struct font_info *font_table; | |
136 | ||
137 | /* The current capacity of font_table. */ | |
138 | int font_table_size; | |
139 | ||
140 | /* The number of fonts actually stored in the font table. | |
141 | font_table[n] is used and valid iff 0 <= n < n_fonts. 0 <= | |
142 | n_fonts <= font_table_size. and font_table[i].name != 0. */ | |
143 | int n_fonts; | |
144 | ||
145 | /* Minimum width over all characters in all fonts in font_table. */ | |
146 | int smallest_char_width; | |
147 | ||
148 | /* Minimum font height over all fonts in font_table. */ | |
149 | int smallest_font_height; | |
150 | ||
151 | /* Reusable Graphics Context for drawing a cursor in a non-default face. */ | |
152 | XGCValues *scratch_cursor_gc; | |
153 | ||
154 | /* These variables describe the range of text currently shown in its | |
155 | mouse-face, together with the window they apply to. As long as | |
156 | the mouse stays within this range, we need not redraw anything on | |
157 | its account. Rows and columns are glyph matrix positions in | |
158 | MOUSE_FACE_WINDOW. */ | |
159 | int mouse_face_beg_row, mouse_face_beg_col; | |
160 | int mouse_face_beg_x, mouse_face_beg_y; | |
161 | int mouse_face_end_row, mouse_face_end_col; | |
162 | int mouse_face_end_x, mouse_face_end_y; | |
163 | int mouse_face_past_end; | |
1a578e9b | 164 | Lisp_Object mouse_face_window; |
1a578e9b | 165 | int mouse_face_face_id; |
e0f712ba | 166 | Lisp_Object mouse_face_overlay; |
1a578e9b AC |
167 | |
168 | /* 1 if a mouse motion event came and we didn't handle it right away because | |
169 | gc was in progress. */ | |
170 | int mouse_face_deferred_gc; | |
171 | ||
172 | /* FRAME and X, Y position of mouse when last checked for | |
173 | highlighting. X and Y can be negative or out of range for the frame. */ | |
174 | struct frame *mouse_face_mouse_frame; | |
175 | ||
176 | int mouse_face_mouse_x, mouse_face_mouse_y; | |
177 | ||
178 | /* Nonzero means defer mouse-motion highlighting. */ | |
179 | int mouse_face_defer; | |
180 | ||
e0f712ba AC |
181 | /* Nonzero means that the mouse highlight should not be shown. */ |
182 | int mouse_face_hidden; | |
183 | ||
1a578e9b AC |
184 | int mouse_face_image_state; |
185 | ||
186 | char *mac_id_name; | |
187 | ||
188 | /* Pointer to bitmap records. */ | |
189 | struct mac_bitmap_record *bitmaps; | |
190 | ||
191 | /* Allocated size of bitmaps field. */ | |
192 | int bitmaps_size; | |
193 | ||
194 | /* Last used bitmap index. */ | |
195 | int bitmaps_last; | |
196 | ||
197 | /* The frame (if any) which has the window that has keyboard focus. | |
198 | Zero if none. This is examined by Ffocus_frame in w32fns.c. Note | |
199 | that a mere EnterNotify event can set this; if you need to know the | |
200 | last frame specified in a FocusIn or FocusOut event, use | |
201 | w32_focus_event_frame. */ | |
202 | struct frame *x_focus_frame; | |
203 | ||
204 | /* The last frame mentioned in a FocusIn or FocusOut event. This is | |
205 | separate from w32_focus_frame, because whether or not LeaveNotify | |
206 | events cause us to lose focus depends on whether or not we have | |
207 | received a FocusIn event for it. */ | |
208 | struct frame *x_focus_event_frame; | |
209 | ||
210 | /* The frame which currently has the visual highlight, and should get | |
211 | keyboard input (other sorts of input have the frame encoded in the | |
212 | event). It points to the focus frame's selected window's | |
213 | frame. It differs from w32_focus_frame when we're using a global | |
214 | minibuffer. */ | |
215 | struct frame *x_highlight_frame; | |
216 | ||
217 | /* Cache of images. */ | |
218 | struct image_cache *image_cache; | |
219 | }; | |
220 | ||
221 | #define x_display_info mac_display_info | |
222 | ||
11c78113 AC |
223 | /* This is a chain of structures for all the X displays currently in use. */ |
224 | extern struct x_display_info *x_display_list; | |
225 | ||
e0f712ba AC |
226 | /* This is a chain of structures for all the displays currently in use. */ |
227 | extern struct mac_display_info one_mac_display_info; | |
228 | ||
1a578e9b | 229 | /* This is a list of cons cells, each of the form (NAME . FONT-LIST-CACHE), |
11c78113 | 230 | one for each element of x_display_list and in the same order. |
1a578e9b AC |
231 | NAME is the name of the frame. |
232 | FONT-LIST-CACHE records previous values returned by x-list-fonts. */ | |
233 | extern Lisp_Object x_display_name_list; | |
234 | ||
235 | /* A flag to control how to display unibyte 8-bit character. */ | |
236 | extern int unibyte_display_via_language_environment; | |
237 | ||
238 | extern struct x_display_info *x_display_info_for_display P_ ((Display *)); | |
239 | extern struct x_display_info *x_display_info_for_name P_ ((Lisp_Object)); | |
240 | ||
241 | extern struct mac_display_info *mac_term_init (); | |
242 | ||
ed627ef5 KS |
243 | extern Lisp_Object x_list_fonts P_ ((struct frame *, Lisp_Object, int, int)); |
244 | extern struct font_info *x_get_font_info P_ ((struct frame *f, int)); | |
245 | extern struct font_info *x_load_font P_ ((struct frame *, char *, int)); | |
246 | extern struct font_info *x_query_font P_ ((struct frame *, char *)); | |
247 | extern void x_find_ccl_program P_ ((struct font_info *)); | |
248 | \f | |
e0f712ba AC |
249 | /* When Emacs uses a tty window, tty_display in frame.c points to an |
250 | x_output struct . */ | |
251 | struct x_output | |
252 | { | |
253 | unsigned long background_pixel; | |
254 | unsigned long foreground_pixel; | |
255 | }; | |
256 | ||
257 | /* The collection of data describing a window on the Mac. */ | |
1a578e9b | 258 | struct mac_output { |
e0f712ba AC |
259 | /* Placeholder for things accessed through output_data.x. Must |
260 | appear first. */ | |
261 | struct x_output x_compatible; | |
262 | ||
263 | /* Menubar "widget" handle. */ | |
264 | int menubar_widget; | |
265 | ||
266 | Window mWP; /* pointer to QuickDraw window */ | |
1a578e9b AC |
267 | FRAME_PTR mFP; /* points back to the frame struct */ |
268 | ||
269 | #if 0 | |
270 | int mNumCols; /* number of characters per column */ | |
271 | int mNumRows; /* number of characters per row */ | |
272 | int mLineHeight; /* height of one line of text in pixels */ | |
273 | int mCharWidth; /* width of one character in pixels */ | |
e0f712ba AC |
274 | int mHomeX; /* X pixel coordinate of lower left |
275 | corner of character at (0, 0) */ | |
276 | int mHomeY; /* Y pixel coordinate of lower left | |
277 | corner of character at (0, 0) */ | |
1a578e9b | 278 | int mHighlight; /* current highlight state (0 = off). */ |
e0f712ba AC |
279 | int mTermWinSize; /* num of lines from top of window |
280 | affected by ins_del_lines; set by | |
281 | set_terminal_window. */ | |
282 | #endif /* 0 */ | |
1a578e9b AC |
283 | |
284 | #if 0 | |
285 | /* stuffs used by xfaces.c */ | |
286 | struct face **param_faces; | |
287 | int n_param_faces; | |
288 | struct face **computed_faces; | |
289 | int n_computed_faces; | |
290 | int size_computed_faces; | |
291 | #endif | |
292 | ||
1a578e9b AC |
293 | /* Here are the Graphics Contexts for the default font. */ |
294 | GC normal_gc; /* Normal video */ | |
295 | GC reverse_gc; /* Reverse video */ | |
296 | GC cursor_gc; /* cursor drawing */ | |
297 | ||
1a578e9b AC |
298 | /* The window used for this frame. |
299 | May be zero while the frame object is being created | |
300 | and the window has not yet been created. */ | |
301 | Window window_desc; | |
302 | ||
303 | /* The window that is the parent of this window. | |
304 | Usually this is a window that was made by the window manager, | |
305 | but it can be the root window, and it can be explicitly specified | |
306 | (see the explicit_parent field, below). */ | |
307 | Window parent_desc; | |
308 | ||
309 | /* Default ASCII font of this frame. */ | |
310 | XFontStruct *font; | |
311 | ||
312 | /* The baseline offset of the default ASCII font. */ | |
313 | int baseline_offset; | |
314 | ||
315 | /* If a fontset is specified for this frame instead of font, this | |
316 | value contains an ID of the fontset, else -1. */ | |
317 | int fontset; | |
318 | ||
319 | /* Pixel values used for various purposes. | |
320 | border_pixel may be -1 meaning use a gray tile. */ | |
321 | unsigned long cursor_pixel; | |
322 | unsigned long border_pixel; | |
323 | unsigned long mouse_pixel; | |
324 | unsigned long cursor_foreground_pixel; | |
325 | ||
326 | /* Foreground color for scroll bars. A value of -1 means use the | |
327 | default (black for non-toolkit scroll bars). */ | |
328 | unsigned long scroll_bar_foreground_pixel; | |
177c0ea7 | 329 | |
1a578e9b AC |
330 | /* Background color for scroll bars. A value of -1 means use the |
331 | default (background color of the frame for non-toolkit scroll | |
332 | bars). */ | |
333 | unsigned long scroll_bar_background_pixel; | |
334 | ||
335 | /* Descriptor for the cursor in use for this window. */ | |
365fa1b3 AC |
336 | Cursor text_cursor; |
337 | Cursor nontext_cursor; | |
338 | Cursor modeline_cursor; | |
339 | Cursor hand_cursor; | |
340 | Cursor hourglass_cursor; | |
341 | Cursor horizontal_drag_cursor; | |
1a578e9b | 342 | #if 0 |
2e875e36 AC |
343 | /* Window whose cursor is hourglass_cursor. This window is temporarily |
344 | mapped to display a hourglass-cursor. */ | |
345 | Window hourglass_window; | |
177c0ea7 | 346 | |
2e875e36 AC |
347 | /* Non-zero means hourglass cursor is currently displayed. */ |
348 | unsigned hourglass_p : 1; | |
1a578e9b AC |
349 | |
350 | /* Flag to set when the window needs to be completely repainted. */ | |
351 | int needs_exposure; | |
352 | ||
353 | #endif | |
354 | ||
1a578e9b AC |
355 | #if 0 |
356 | DWORD dwStyle; | |
357 | #endif | |
358 | ||
1a578e9b AC |
359 | /* This is the Emacs structure for the display this frame is on. */ |
360 | /* struct w32_display_info *display_info; */ | |
361 | ||
362 | /* Nonzero means our parent is another application's window | |
363 | and was explicitly specified. */ | |
364 | char explicit_parent; | |
365 | ||
366 | /* Nonzero means tried already to make this frame visible. */ | |
367 | char asked_for_visible; | |
368 | ||
369 | /* Nonzero means menubar is currently active. */ | |
370 | char menubar_active; | |
371 | ||
e0f712ba AC |
372 | /* Nonzero means a menu command is being processed. */ |
373 | char menu_command_in_progress; | |
374 | ||
1a578e9b AC |
375 | /* Nonzero means menubar is about to become active, but should be |
376 | brought up to date first. */ | |
377 | volatile char pending_menu_activation; | |
378 | ||
1a578e9b AC |
379 | /* Relief GCs, colors etc. */ |
380 | struct relief | |
381 | { | |
382 | XGCValues *gc; | |
383 | unsigned long pixel; | |
384 | int allocated_p; | |
385 | } | |
386 | black_relief, white_relief; | |
387 | ||
388 | /* The background for which the above relief GCs were set up. | |
389 | They are changed only when a different background is involved. */ | |
390 | unsigned long relief_background; | |
391 | }; | |
392 | ||
393 | typedef struct mac_output mac_output; | |
394 | ||
9c3f34b3 KS |
395 | /* Return the X output data for frame F. */ |
396 | #define FRAME_X_OUTPUT(f) ((f)->output_data.mac) | |
397 | ||
1a578e9b AC |
398 | /* Return the Mac window used for displaying data in frame F. */ |
399 | #define FRAME_MAC_WINDOW(f) ((f)->output_data.mac->mWP) | |
9c3f34b3 | 400 | #define FRAME_X_WINDOW(f) ((f)->output_data.mac->mWP) |
1a578e9b | 401 | |
e0f712ba AC |
402 | #define FRAME_FOREGROUND_PIXEL(f) ((f)->output_data.x->foreground_pixel) |
403 | #define FRAME_BACKGROUND_PIXEL(f) ((f)->output_data.x->background_pixel) | |
1a578e9b AC |
404 | |
405 | #define FRAME_FONT(f) ((f)->output_data.mac->font) | |
406 | #define FRAME_FONTSET(f) ((f)->output_data.mac->fontset) | |
407 | ||
1a578e9b AC |
408 | #define FRAME_BASELINE_OFFSET(f) ((f)->output_data.mac->baseline_offset) |
409 | ||
410 | /* This gives the w32_display_info structure for the display F is on. */ | |
411 | #define FRAME_MAC_DISPLAY_INFO(f) (&one_mac_display_info) | |
412 | #define FRAME_X_DISPLAY_INFO(f) (&one_mac_display_info) | |
413 | ||
414 | /* This is the `Display *' which frame F is on. */ | |
415 | #define FRAME_MAC_DISPLAY(f) (0) | |
9c3f34b3 | 416 | #define FRAME_X_DISPLAY(f) (0) |
1a578e9b AC |
417 | |
418 | /* This is the 'font_info *' which frame F has. */ | |
419 | #define FRAME_MAC_FONT_TABLE(f) (FRAME_MAC_DISPLAY_INFO (f)->font_table) | |
420 | ||
1a578e9b AC |
421 | /* Value is the smallest width of any character in any font on frame F. */ |
422 | ||
423 | #define FRAME_SMALLEST_CHAR_WIDTH(F) \ | |
424 | FRAME_MAC_DISPLAY_INFO(F)->smallest_char_width | |
425 | ||
426 | /* Value is the smallest height of any font on frame F. */ | |
427 | ||
428 | #define FRAME_SMALLEST_FONT_HEIGHT(F) \ | |
429 | FRAME_MAC_DISPLAY_INFO(F)->smallest_font_height | |
430 | ||
431 | /* Return a pointer to the image cache of frame F. */ | |
432 | ||
433 | #define FRAME_X_IMAGE_CACHE(F) FRAME_MAC_DISPLAY_INFO ((F))->image_cache | |
434 | ||
435 | \f | |
1a578e9b AC |
436 | /* Mac-specific scroll bar stuff. */ |
437 | ||
438 | /* We represent scroll bars as lisp vectors. This allows us to place | |
439 | references to them in windows without worrying about whether we'll | |
440 | end up with windows referring to dead scroll bars; the garbage | |
441 | collector will free it when its time comes. | |
442 | ||
443 | We use struct scroll_bar as a template for accessing fields of the | |
444 | vector. */ | |
445 | ||
446 | struct scroll_bar { | |
447 | ||
448 | /* These fields are shared by all vectors. */ | |
449 | EMACS_INT size_from_Lisp_Vector_struct; | |
450 | struct Lisp_Vector *next_from_Lisp_Vector_struct; | |
451 | ||
452 | /* The window we're a scroll bar for. */ | |
453 | Lisp_Object window; | |
454 | ||
455 | /* The next and previous in the chain of scroll bars in this frame. */ | |
456 | Lisp_Object next, prev; | |
457 | ||
458 | /* The Mac control handle of this scroll bar. Since this is a full | |
459 | 32-bit quantity, we store it split into two 32-bit values. */ | |
460 | Lisp_Object control_handle_low, control_handle_high; | |
461 | ||
462 | /* The position and size of the scroll bar in pixels, relative to the | |
463 | frame. */ | |
464 | Lisp_Object top, left, width, height; | |
465 | ||
466 | /* The starting and ending positions of the handle, relative to the | |
467 | handle area (i.e. zero is the top position, not | |
468 | SCROLL_BAR_TOP_BORDER). If they're equal, that means the handle | |
469 | hasn't been drawn yet. | |
470 | ||
471 | These are not actually the locations where the beginning and end | |
472 | are drawn; in order to keep handles from becoming invisible when | |
473 | editing large files, we establish a minimum height by always | |
474 | drawing handle bottoms VERTICAL_SCROLL_BAR_MIN_HANDLE pixels below | |
475 | where they would be normally; the bottom and top are in a | |
476 | different co-ordinate system. */ | |
477 | Lisp_Object start, end; | |
478 | ||
479 | /* If the scroll bar handle is currently being dragged by the user, | |
480 | this is the number of pixels from the top of the handle to the | |
481 | place where the user grabbed it. If the handle isn't currently | |
482 | being dragged, this is Qnil. */ | |
483 | Lisp_Object dragging; | |
484 | }; | |
485 | ||
486 | /* The number of elements a vector holding a struct scroll_bar needs. */ | |
487 | #define SCROLL_BAR_VEC_SIZE \ | |
488 | ((sizeof (struct scroll_bar) \ | |
489 | - sizeof (EMACS_INT) - sizeof (struct Lisp_Vector *)) \ | |
490 | / sizeof (Lisp_Object)) | |
491 | ||
492 | /* Turning a lisp vector value into a pointer to a struct scroll_bar. */ | |
493 | #define XSCROLL_BAR(vec) ((struct scroll_bar *) XVECTOR (vec)) | |
494 | ||
495 | ||
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)) | |
498 | ||
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 | ||
504 | ||
e0f712ba AC |
505 | /* Extract the Mac control handle of the scroll bar from a struct |
506 | scroll_bar. */ | |
1a578e9b | 507 | #define SCROLL_BAR_CONTROL_HANDLE(ptr) \ |
e0f712ba AC |
508 | ((ControlHandle) SCROLL_BAR_PACK ((ptr)->control_handle_low, \ |
509 | (ptr)->control_handle_high)) | |
1a578e9b AC |
510 | |
511 | /* Store a Mac control handle in a struct scroll_bar. */ | |
512 | #define SET_SCROLL_BAR_CONTROL_HANDLE(ptr, id) \ | |
e0f712ba AC |
513 | (SCROLL_BAR_UNPACK ((ptr)->control_handle_low, \ |
514 | (ptr)->control_handle_high, (int) id)) | |
1a578e9b AC |
515 | |
516 | /* Return the inside width of a vertical scroll bar, given the outside | |
517 | width. */ | |
518 | #define VERTICAL_SCROLL_BAR_INSIDE_WIDTH(f,width) \ | |
519 | ((width) \ | |
520 | - VERTICAL_SCROLL_BAR_LEFT_BORDER \ | |
521 | - VERTICAL_SCROLL_BAR_RIGHT_BORDER \ | |
522 | - VERTICAL_SCROLL_BAR_WIDTH_TRIM * 2) | |
523 | ||
524 | /* Return the length of the rectangle within which the top of the | |
525 | handle must stay. This isn't equivalent to the inside height, | |
177c0ea7 | 526 | because the scroll bar handle has a minimum height. |
1a578e9b AC |
527 | |
528 | This is the real range of motion for the scroll bar, so when we're | |
529 | scaling buffer positions to scroll bar positions, we use this, not | |
530 | VERTICAL_SCROLL_BAR_INSIDE_HEIGHT. */ | |
531 | #define VERTICAL_SCROLL_BAR_TOP_RANGE(f,height) \ | |
e0f712ba AC |
532 | (VERTICAL_SCROLL_BAR_INSIDE_HEIGHT (f, height) \ |
533 | - VERTICAL_SCROLL_BAR_MIN_HANDLE - UP_AND_DOWN_ARROWS) | |
1a578e9b AC |
534 | |
535 | /* Return the inside height of vertical scroll bar, given the outside | |
536 | height. See VERTICAL_SCROLL_BAR_TOP_RANGE too. */ | |
537 | #define VERTICAL_SCROLL_BAR_INSIDE_HEIGHT(f,height) \ | |
e0f712ba AC |
538 | ((height) - VERTICAL_SCROLL_BAR_TOP_BORDER \ |
539 | - VERTICAL_SCROLL_BAR_BOTTOM_BORDER) | |
1a578e9b AC |
540 | |
541 | ||
542 | /* Border widths for scroll bars. | |
543 | ||
544 | Scroll bar windows don't have any borders; their border width is | |
545 | set to zero, and we redraw borders ourselves. This makes the code | |
546 | a bit cleaner, since we don't have to convert between outside width | |
547 | (used when relating to the rest of the screen) and inside width | |
548 | (used when sizing and drawing the scroll bar window itself). | |
549 | ||
550 | The handle moves up and down/back and forth in a rectangle inset | |
551 | from the edges of the scroll bar. These are widths by which we | |
552 | inset the handle boundaries from the scroll bar edges. */ | |
553 | #define VERTICAL_SCROLL_BAR_LEFT_BORDER (0) | |
554 | #define VERTICAL_SCROLL_BAR_RIGHT_BORDER (0) | |
555 | #define VERTICAL_SCROLL_BAR_TOP_BORDER (0) | |
556 | #define VERTICAL_SCROLL_BAR_BOTTOM_BORDER (0) | |
557 | ||
558 | /* Minimum lengths for scroll bar handles, in pixels. */ | |
559 | #define VERTICAL_SCROLL_BAR_MIN_HANDLE (16) | |
560 | ||
561 | /* Combined length of up and down arrow boxes in scroll bars, in pixels. */ | |
562 | #define UP_AND_DOWN_ARROWS (32) | |
563 | ||
564 | /* Trimming off a few pixels from each side prevents | |
565 | text from glomming up against the scroll bar */ | |
566 | #define VERTICAL_SCROLL_BAR_WIDTH_TRIM (0) | |
567 | ||
a433994a ST |
568 | struct frame; |
569 | struct face; | |
570 | struct image; | |
571 | ||
572 | Lisp_Object display_x_get_resource P_ ((struct x_display_info *, | |
573 | Lisp_Object, Lisp_Object, | |
574 | Lisp_Object, Lisp_Object)); | |
575 | struct frame *check_x_frame P_ ((Lisp_Object)); | |
576 | EXFUN (Fx_display_color_p, 1); | |
577 | EXFUN (Fx_display_grayscale_p, 1); | |
578 | EXFUN (Fx_display_planes, 1); | |
579 | extern void x_free_gcs P_ ((struct frame *)); | |
1a578e9b | 580 | |
31ee2d81 KS |
581 | void activate_scroll_bars (FRAME_PTR); |
582 | void deactivate_scroll_bars (FRAME_PTR); | |
583 | ||
ed627ef5 KS |
584 | /* Defined in macterm.c. */ |
585 | ||
586 | extern void x_set_window_size P_ ((struct frame *, int, int, int)); | |
587 | extern void x_make_frame_visible P_ ((struct frame *)); | |
588 | extern void mac_initialize P_ ((void)); | |
589 | extern Pixmap XCreatePixmap P_ ((Display *, WindowPtr, unsigned int, | |
590 | unsigned int, unsigned int)); | |
591 | extern Pixmap XCreatePixmapFromBitmapData P_ ((Display *, WindowPtr, char *, | |
592 | unsigned int, unsigned int, | |
593 | unsigned long, unsigned long, | |
594 | unsigned int)); | |
595 | extern void XFreePixmap P_ ((Display *, Pixmap)); | |
596 | extern void XSetForeground P_ ((Display *, GC, unsigned long)); | |
597 | extern void mac_draw_line_to_pixmap P_ ((Display *, Pixmap, GC, int, int, | |
598 | int, int)); | |
599 | ||
9c3f34b3 KS |
600 | #define FONT_TYPE_FOR_UNIBYTE(font, ch) 0 |
601 | #define FONT_TYPE_FOR_MULTIBYTE(font, ch) 0 | |
602 | ||
ab5796a9 MB |
603 | /* arch-tag: 6b4ca125-5bef-476d-8ee8-31ed808b7e79 |
604 | (do not change this comment) */ |