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1 | #include "copyright.h" |
2 | ||
463f5630 | 3 | /* $Header: /cvs/emacs/oldXMenu/Internal.c,v 1.1 1999/10/03 19:35:07 fx Exp $ */ |
e745ede7 DL |
4 | /* Copyright Massachusetts Institute of Technology 1985 */ |
5 | ||
6 | /* | |
7 | * XMenu: MIT Project Athena, X Window system menu package | |
8 | * | |
9 | * XMenuInternal.c - XMenu internal (not user visible) routines. | |
10 | * | |
11 | * Author: Tony Della Fera, DEC | |
12 | * November, 1985 | |
13 | * | |
14 | */ | |
15 | ||
16 | #include <config.h> | |
17 | #include "XMenuInt.h" | |
18 | ||
19 | /* | |
20 | * Toggle color macro. | |
21 | */ | |
22 | #define toggle_color(x) \ | |
23 | ((x) == menu->bkgnd_color ? menu->s_frg_color : menu->bkgnd_color) | |
24 | ||
25 | /* | |
26 | * Internal Window creation queue sizes. | |
27 | */ | |
28 | #define S_QUE_SIZE 300 | |
29 | #define P_QUE_SIZE 20 | |
30 | #define BUFFER_SIZE (S_QUE_SIZE >= P_QUE_SIZE ? S_QUE_SIZE : P_QUE_SIZE) | |
31 | ||
32 | ||
33 | /* | |
34 | * XMWinQue - Internal window creation queue datatype. | |
35 | */ | |
36 | typedef struct _xmwinquedef { | |
37 | int sq_size; | |
38 | XMSelect *sq[S_QUE_SIZE]; | |
39 | XMSelect **sq_ptr; | |
40 | int pq_size; | |
41 | XMPane *pq[P_QUE_SIZE]; | |
42 | XMPane **pq_ptr; | |
43 | } XMWinQue; | |
44 | ||
45 | /* | |
46 | * _XMWinQue - Internal static window creation queue. | |
47 | */ | |
48 | static Bool _XMWinQueIsInit = False; | |
49 | static XMWinQue _XMWinQue; | |
50 | ||
51 | /* | |
52 | * _XMErrorCode - Global XMenu error code. | |
53 | */ | |
177c0ea7 | 54 | int _XMErrorCode = XME_NO_ERROR; |
e745ede7 DL |
55 | /* |
56 | * _XMErrorList - Global XMenu error code description strings. | |
57 | */ | |
58 | char * | |
59 | _XMErrorList[XME_CODE_COUNT] = { | |
60 | "No error", /* XME_NO_ERROR */ | |
61 | "Menu not initialized", /* XME_NOT_INIT */ | |
62 | "Argument out of bounds", /* XME_ARG_BOUNDS */ | |
63 | "Pane not found", /* XME_P_NOT_FOUND */ | |
64 | "Selection not found", /* XME_S_NOT_FOUND */ | |
65 | "Invalid menu style parameter", /* XME_STYLE_PARAM */ | |
66 | "Unable to grab mouse", /* XME_GRAB_MOUSE */ | |
67 | "Unable to interpret locator", /* XME_INTERP_LOC */ | |
68 | "Unable to calloc memory", /* XME_CALLOC */ | |
69 | "Unable to create XAssocTable", /* XME_CREATE_ASSOC */ | |
70 | "Unable to store bitmap", /* XME_STORE_BITMAP */ | |
71 | "Unable to make tile pixmaps", /* XME_MAKE_TILES */ | |
72 | "Unable to make pixmap", /* XME_MAKE_PIXMAP */ | |
73 | "Unable to create cursor", /* XME_CREATE_CURSOR */ | |
74 | "Unable to open font", /* XME_OPEN_FONT */ | |
75 | "Unable to create windows", /* XME_CREATE_WINDOW */ | |
76 | "Unable to create transparencies", /* XME_CREATE_TRANSP */ | |
77 | }; | |
78 | ||
79 | /* | |
80 | * _XMEventHandler - Internal event handler variable. | |
81 | */ | |
82 | int (*_XMEventHandler)() = NULL; | |
83 | ||
84 | ||
85 | ||
86 | /* | |
87 | * _XMWinQueInit - Internal routine to initialize the window | |
88 | * queue. | |
89 | */ | |
90 | _XMWinQueInit() | |
91 | { | |
92 | /* | |
93 | * If the queue is not initialized initialize it. | |
94 | */ | |
95 | if (!_XMWinQueIsInit) { | |
96 | /* | |
97 | * Blank the queue structure. | |
98 | */ | |
99 | register int i; | |
100 | ||
101 | for (i = 0; i < S_QUE_SIZE; i++) | |
102 | _XMWinQue.sq[i] = 0; | |
103 | ||
104 | for (i = 0; i < P_QUE_SIZE; i++) | |
105 | _XMWinQue.pq[i] = 0; | |
106 | ||
107 | _XMWinQue.sq_size = _XMWinQue.pq_size = 0; | |
108 | ||
109 | /* | |
110 | * Initialize the next free location pointers. | |
111 | */ | |
112 | _XMWinQue.sq_ptr = _XMWinQue.sq; | |
113 | _XMWinQue.pq_ptr = _XMWinQue.pq; | |
114 | } | |
115 | } | |
116 | ||
117 | ||
118 | ||
119 | /* | |
120 | * _XMWinQueAddPane - Internal routine to add a pane to the pane | |
121 | * window queue. | |
122 | */ | |
123 | int | |
124 | _XMWinQueAddPane(display, menu, p_ptr) | |
125 | register Display *display; | |
126 | register XMenu *menu; /* Menu being manipulated. */ | |
127 | register XMPane *p_ptr; /* XMPane being queued. */ | |
128 | { | |
129 | /* | |
130 | * If the queue is currently full then flush it. | |
131 | */ | |
132 | if (_XMWinQue.pq_size == P_QUE_SIZE) { | |
133 | if (_XMWinQueFlush(display, menu, 0, 0) == _FAILURE) return(_FAILURE); | |
134 | } | |
135 | ||
136 | /* | |
137 | * Insert the new XMPane pointer and increment the queue pointer | |
138 | * and the queue size. | |
139 | */ | |
140 | *_XMWinQue.pq_ptr = p_ptr; | |
141 | _XMWinQue.pq_ptr++; | |
142 | _XMWinQue.pq_size++; | |
143 | ||
144 | /* | |
145 | * All went well, return successfully. | |
146 | */ | |
147 | _XMErrorCode = XME_NO_ERROR; | |
148 | return(_SUCCESS); | |
149 | } | |
150 | ||
151 | ||
152 | ||
153 | /* | |
154 | * _XMWinQueAddSelection - Internal routine to add a selection to | |
155 | * the selection window queue. | |
156 | */ | |
157 | int | |
158 | _XMWinQueAddSelection(display, menu, s_ptr) | |
159 | register Display *display; | |
160 | register XMenu *menu; /* Menu being manipulated. */ | |
161 | register XMSelect *s_ptr; /* XMSelection being queued. */ | |
162 | { | |
163 | /* | |
164 | * If this entry will overflow the queue then flush it. | |
165 | */ | |
166 | if (_XMWinQue.sq_size == S_QUE_SIZE) { | |
167 | if (_XMWinQueFlush(display, menu, 0, 0) == _FAILURE) return(_FAILURE); | |
168 | } | |
169 | ||
170 | /* | |
171 | * Insert the new XMSelect pointer and increment the queue pointer | |
172 | * and the queue size. | |
173 | */ | |
174 | *_XMWinQue.sq_ptr = s_ptr; | |
175 | _XMWinQue.sq_ptr++; | |
176 | _XMWinQue.sq_size++; | |
177 | ||
178 | /* | |
179 | * All went well, return successfully. | |
180 | */ | |
181 | _XMErrorCode = XME_NO_ERROR; | |
182 | return(_SUCCESS); | |
183 | } | |
184 | ||
185 | ||
186 | ||
187 | /* | |
188 | * _XMWinQueFlush - Internal routine to flush the pane and | |
189 | * selection window queues. | |
190 | */ | |
191 | int | |
192 | _XMWinQueFlush(display, menu, pane, select) | |
193 | register Display *display; | |
194 | register XMenu *menu; /* Menu being manipulated. */ | |
195 | register XMPane *pane; /* Current pane. */ | |
196 | { | |
197 | register int pq_index; /* Pane queue index. */ | |
198 | register int sq_index; /* Selection queue index. */ | |
199 | register XMPane *p_ptr; /* XMPane pointer. */ | |
200 | register XMSelect *s_ptr; /* XMSelect pointer. */ | |
201 | unsigned long valuemask; /* Which attributes to set. */ | |
202 | XSetWindowAttributes *attributes; /* Attributes to be set. */ | |
203 | ||
204 | /* | |
205 | * If the pane window queue is not empty... | |
206 | */ | |
177c0ea7 | 207 | |
e745ede7 DL |
208 | if (_XMWinQue.pq_size > 0) { |
209 | /* | |
210 | * set up attributes for pane window to be created. | |
211 | */ | |
212 | valuemask = (CWBackPixmap | CWBorderPixel | CWOverrideRedirect); | |
213 | attributes = (XSetWindowAttributes *)malloc(sizeof(XSetWindowAttributes)); | |
214 | attributes->border_pixel = menu->p_bdr_color; | |
215 | attributes->background_pixmap = menu->inact_pixmap; | |
216 | attributes->override_redirect = True; | |
177c0ea7 | 217 | |
e745ede7 DL |
218 | /* |
219 | * Create all the pending panes in order, so that the | |
220 | * current pane will be on top, with the others | |
221 | * stacked appropriately under it. | |
222 | */ | |
223 | for (pq_index = _XMWinQue.pq_size - 1; | |
224 | pq_index >= 0; | |
177c0ea7 | 225 | pq_index--) |
e745ede7 DL |
226 | { |
227 | p_ptr = _XMWinQue.pq[pq_index]; /* Retrieve next pane. */ | |
228 | if (p_ptr == pane) break; | |
229 | p_ptr->window = XCreateWindow(display, | |
230 | menu->parent, | |
231 | p_ptr->window_x, | |
232 | p_ptr->window_y, | |
233 | p_ptr->window_w, | |
234 | p_ptr->window_h, | |
235 | menu->p_bdr_width, | |
236 | CopyFromParent, | |
237 | InputOutput, | |
238 | CopyFromParent, | |
239 | valuemask, | |
240 | attributes); | |
241 | XMakeAssoc(display, menu->assoc_tab, p_ptr->window, p_ptr); | |
242 | XSelectInput(display, p_ptr->window, menu->p_events); | |
243 | } | |
244 | for (pq_index = 0; | |
245 | pq_index < _XMWinQue.pq_size; | |
177c0ea7 | 246 | pq_index++) |
e745ede7 DL |
247 | { |
248 | p_ptr = _XMWinQue.pq[pq_index]; /* Retrieve next pane. */ | |
249 | p_ptr->window = XCreateWindow(display, | |
250 | menu->parent, | |
251 | p_ptr->window_x, | |
252 | p_ptr->window_y, | |
253 | p_ptr->window_w, | |
254 | p_ptr->window_h, | |
255 | menu->p_bdr_width, | |
256 | CopyFromParent, | |
257 | InputOutput, | |
258 | CopyFromParent, | |
259 | valuemask, | |
260 | attributes); | |
261 | XMakeAssoc(display, menu->assoc_tab, p_ptr->window, p_ptr); | |
262 | XSelectInput(display, p_ptr->window, menu->p_events); | |
263 | if (p_ptr == pane) break; | |
264 | } | |
265 | ||
266 | /* | |
267 | * Reset the pane queue pointer and size. | |
268 | */ | |
269 | _XMWinQue.pq_size = 0; | |
270 | _XMWinQue.pq_ptr = _XMWinQue.pq; | |
271 | } | |
272 | ||
273 | /* | |
274 | * If the selection window queue is not empty... | |
275 | */ | |
177c0ea7 | 276 | |
e745ede7 DL |
277 | if (_XMWinQue.sq_size > 0) { |
278 | ||
279 | for (sq_index = 0; sq_index < _XMWinQue.sq_size; sq_index++) { | |
280 | /* | |
281 | * Retrieve the XMSelect pointer. | |
282 | */ | |
283 | s_ptr = _XMWinQue.sq[sq_index]; | |
284 | s_ptr->window = XCreateWindow(display, | |
285 | s_ptr->parent_p->window, | |
286 | s_ptr->window_x, | |
287 | s_ptr->window_y, | |
288 | s_ptr->window_w, | |
289 | s_ptr->window_h, | |
290 | 0, /* border width*/ | |
291 | CopyFromParent, | |
292 | InputOnly, | |
293 | CopyFromParent, | |
294 | 0, | |
295 | attributes); | |
177c0ea7 | 296 | |
e745ede7 DL |
297 | /* |
298 | * Insert the new window id and its | |
177c0ea7 | 299 | * associated XMSelect structure into the |
e745ede7 DL |
300 | * association table. |
301 | */ | |
302 | XMakeAssoc(display, menu->assoc_tab, s_ptr->window, s_ptr); | |
303 | XSelectInput(display, s_ptr->window, menu->s_events); | |
304 | } | |
305 | ||
306 | /* | |
307 | * Reset the selection queue pointer and size. | |
308 | */ | |
309 | _XMWinQue.sq_size = 0; | |
310 | _XMWinQue.sq_ptr = _XMWinQue.sq; | |
311 | } | |
312 | ||
313 | /* | |
314 | * Flush X's internal queues. | |
315 | */ | |
316 | XFlush(display); | |
317 | ||
318 | /* | |
319 | * All went well, return successfully. | |
320 | */ | |
321 | _XMErrorCode = XME_NO_ERROR; | |
322 | return(_SUCCESS); | |
323 | } | |
324 | ||
325 | ||
326 | ||
327 | /* | |
328 | * _XMGetPanePtr - Given a menu pointer and a pane index number, return | |
329 | * a pane pointer that points to the indexed pane. | |
330 | */ | |
331 | XMPane * | |
332 | _XMGetPanePtr(menu, p_num) | |
333 | register XMenu *menu; /* Menu to find the pane in. */ | |
334 | register int p_num; /* Index number of pane to find. */ | |
335 | { | |
336 | register XMPane *p_ptr; /* Pane pointer to be returned. */ | |
337 | register int i; /* Loop counter. */ | |
338 | ||
339 | /* | |
340 | * Is the pane number out of range? | |
341 | */ | |
342 | if ((p_num < 0) || (p_num > (menu->p_count - 1))) { | |
343 | _XMErrorCode = XME_P_NOT_FOUND; | |
344 | return(NULL); | |
345 | } | |
346 | ||
347 | /* | |
348 | * Find the right pane. | |
349 | */ | |
350 | p_ptr = menu->p_list->next; | |
351 | for (i = 0; i < p_num; i++) p_ptr = p_ptr->next; | |
352 | ||
353 | /* | |
354 | * Return successfully. | |
355 | */ | |
356 | _XMErrorCode = XME_NO_ERROR; | |
357 | return(p_ptr); | |
358 | } | |
359 | ||
360 | ||
361 | ||
362 | /* | |
363 | * _XMGetSelectionPtr - Given pane pointer and a selection index number, | |
364 | * return a selection pointer that points to the | |
365 | * indexed selection. | |
366 | */ | |
367 | XMSelect * | |
368 | _XMGetSelectionPtr(p_ptr, s_num) | |
369 | register XMPane *p_ptr; /* Pane to find the selection in. */ | |
370 | register int s_num; /* Index number of the selection to find. */ | |
371 | { | |
372 | register XMSelect *s_ptr; /* Selection pointer to be returned. */ | |
373 | register int i; /* Loop counter. */ | |
177c0ea7 | 374 | |
e745ede7 DL |
375 | /* |
376 | * Is the selection number out of range? | |
377 | */ | |
378 | if ((s_num < 0) || (s_num > (p_ptr->s_count - 1))) { | |
379 | _XMErrorCode = XME_S_NOT_FOUND; | |
380 | return(NULL); | |
381 | } | |
382 | ||
383 | /* | |
384 | * Find the right selection. | |
385 | */ | |
386 | s_ptr = p_ptr->s_list->next; | |
387 | for (i = 0; i < s_num; i++) s_ptr = s_ptr->next; | |
388 | ||
389 | /* | |
390 | * Return successfully. | |
391 | */ | |
392 | _XMErrorCode = XME_NO_ERROR; | |
393 | return(s_ptr); | |
394 | } | |
395 | ||
396 | ||
397 | ||
398 | /* | |
399 | * _XMRecomputeGlobals - Internal subroutine to recompute menu wide | |
400 | * global values. | |
401 | */ | |
402 | _XMRecomputeGlobals(display, menu) | |
177c0ea7 | 403 | register Display *display; /*X11 display variable. */ |
e745ede7 DL |
404 | register XMenu *menu; /* Menu object to compute from. */ |
405 | { | |
406 | register XMPane *p_ptr; /* Pane pointer. */ | |
407 | register XMSelect *s_ptr; /* Selection pointer. */ | |
408 | ||
409 | register int max_p_label = 0; /* Maximum pane label width. */ | |
410 | register int max_s_label = 0; /* Maximum selection label width. */ | |
411 | register int s_count = 0; /* Maximum selection count. */ | |
412 | ||
413 | int p_s_pad; /* Pane <-> selection padding. */ | |
414 | int p_s_diff; /* Pane <-> selection separation. */ | |
415 | ||
416 | int p_height; /* Pane window height. */ | |
417 | int p_width; /* Pane window width. */ | |
418 | int s_width; /* Selection window width. */ | |
419 | ||
420 | int screen; /* DefaultScreen holder. */ | |
177c0ea7 | 421 | |
e745ede7 DL |
422 | /* |
423 | * For each pane... | |
424 | */ | |
425 | for ( | |
426 | p_ptr = menu->p_list->next; | |
427 | p_ptr != menu->p_list; | |
428 | p_ptr = p_ptr->next | |
429 | ){ | |
177c0ea7 | 430 | |
e745ede7 DL |
431 | /* |
432 | * Recompute maximum pane label width. | |
433 | */ | |
434 | max_p_label = max(max_p_label, p_ptr->label_width); | |
435 | ||
436 | /* | |
177c0ea7 | 437 | * Recompute maximum selection count. |
e745ede7 DL |
438 | */ |
439 | s_count = max(s_count, p_ptr->s_count); | |
440 | ||
441 | /* | |
442 | * For each selection in the current pane... | |
443 | */ | |
444 | for ( | |
445 | s_ptr = p_ptr->s_list->next; | |
446 | s_ptr != p_ptr->s_list; | |
447 | s_ptr = s_ptr->next | |
448 | ){ | |
449 | ||
450 | /* | |
451 | * Recompute maximum selection label width. | |
452 | */ | |
453 | max_s_label = max(max_s_label, s_ptr->label_width); | |
454 | } | |
455 | } | |
456 | ||
457 | /* | |
458 | * Recompute pane height. | |
459 | */ | |
460 | p_height = (menu->flag_height << 1) + (menu->s_y_off * s_count); | |
461 | ||
462 | /* | |
463 | * Recompute horizontal padding between the pane window and the | |
464 | * selection windows. | |
465 | */ | |
466 | p_s_pad = menu->p_x_off << 1; | |
467 | ||
468 | /* | |
469 | * Recompute pane and selection window widths. | |
470 | * This is done by first computing the window sizes from the maximum | |
471 | * label widths. If the spacing between the selection window and the | |
472 | * containing pane window is less than the pane selection padding value | |
473 | * (twice the pane X offset) then change the size of the pane to be | |
474 | * the size of the selection window plus the padding. If, however the | |
475 | * spacing between the selection window and the containing pane window | |
476 | * is more than the pane selection padding value increase the size of | |
477 | * the selection to its maximum possible value (the pane width minus | |
478 | * the pane selection padding value). | |
479 | */ | |
480 | p_width = max_p_label + p_s_pad; | |
481 | s_width = max_s_label + (menu->s_fnt_pad << 1) + (menu->s_bdr_width << 1); | |
482 | p_s_diff = p_width - s_width; | |
483 | if (p_s_diff < p_s_pad) { | |
484 | p_width = s_width + p_s_pad; | |
485 | } | |
486 | else if (p_s_diff > p_s_pad) { | |
487 | s_width = p_width - p_s_pad; | |
488 | } | |
489 | ||
490 | /* | |
491 | * Reset menu wide global values. | |
492 | */ | |
493 | menu->s_count = s_count; | |
494 | menu->p_height = p_height; | |
495 | menu->p_width = p_width; | |
496 | menu->s_width = s_width; | |
497 | ||
177c0ea7 | 498 | /* |
e745ede7 DL |
499 | * Ensure that the origin of the menu is placed so that |
500 | * None of the panes ore selections are off the screen. | |
501 | */ | |
502 | screen = DefaultScreen(display); | |
503 | if (menu->x_pos + menu->width > DisplayWidth(display, screen)) | |
504 | menu->x_pos = DisplayWidth(display, screen) - menu->width; | |
505 | else if (menu->x_pos < 0) menu->x_pos = 0; | |
506 | if(menu->y_pos + menu->height > DisplayHeight(display, screen)) | |
507 | menu->y_pos = DisplayHeight(display, screen) - menu->height; | |
508 | else if (menu->y_pos < 0) menu->y_pos = 0; | |
509 | } | |
510 | ||
511 | ||
512 | /* | |
513 | * _XMRecomputePane - Internal subroutine to recompute pane | |
514 | * window dependencies. | |
515 | */ | |
516 | int | |
517 | _XMRecomputePane(display, menu, p_ptr, p_num) | |
518 | register Display *display; /* Standard X display variable. */ | |
519 | register XMenu *menu; /* Menu object being recomputed. */ | |
520 | register XMPane *p_ptr; /* Pane pointer. */ | |
521 | register int p_num; /* Pane sequence number. */ | |
522 | { | |
523 | register int window_x; /* Recomputed window X coordinate. */ | |
524 | register int window_y; /* Recomputed window Y coordinate. */ | |
177c0ea7 | 525 | |
e745ede7 DL |
526 | unsigned long change_mask; /* Value mask to reconfigure window. */ |
527 | XWindowChanges *changes; /* Values to use in configure window. */ | |
177c0ea7 | 528 | |
e745ede7 DL |
529 | register Bool config_p = False; /* Reconfigure pane window? */ |
530 | ||
531 | /* | |
532 | * Update the pane serial number. | |
533 | */ | |
534 | p_ptr->serial = p_num; | |
535 | ||
536 | /* | |
537 | * Recompute window X and Y coordinates. | |
538 | */ | |
539 | switch (menu->menu_style) { | |
540 | case LEFT: | |
541 | window_x = menu->p_x_off * ((menu->p_count - 1) - p_num); | |
542 | window_y = menu->p_y_off * ((menu->p_count - 1) - p_num); | |
543 | break; | |
544 | case RIGHT: | |
545 | window_x = menu->p_x_off * p_num; | |
546 | window_y = menu->p_y_off * ((menu->p_count - 1) - p_num); | |
547 | break; | |
548 | case CENTER: | |
549 | window_x = 0; | |
550 | window_y = menu->p_y_off * ((menu->p_count - 1) - p_num); | |
551 | break; | |
552 | default: | |
553 | /* Error! Invalid style parameter. */ | |
554 | _XMErrorCode = XME_STYLE_PARAM; | |
555 | return(_FAILURE); | |
556 | } | |
557 | window_x += menu->x_pos; | |
558 | window_y += menu->y_pos; | |
559 | ||
560 | /* | |
177c0ea7 | 561 | * If the newly compute pane coordinates differ from the |
e745ede7 DL |
562 | * current coordinates, reset the current coordinates and |
563 | * reconfigure the pane. | |
564 | */ | |
565 | if ( | |
566 | (window_x != p_ptr->window_x) || | |
567 | (window_y != p_ptr->window_y) | |
568 | ){ | |
569 | /* | |
570 | * Reset the coordinates and schedule | |
571 | * the pane for reconfiguration. | |
572 | */ | |
573 | p_ptr->window_x = window_x; | |
574 | p_ptr->window_y = window_y; | |
575 | config_p = True; | |
576 | } | |
577 | ||
578 | /* | |
579 | * If the local pane width and height differs from the | |
580 | * menu pane width and height, reset the local values. | |
581 | */ | |
582 | if ( | |
583 | (p_ptr->window_w != menu->p_width) || | |
584 | (p_ptr->window_h != menu->p_height) | |
585 | ){ | |
586 | /* | |
587 | * Reset window width and height and schedule | |
588 | * the pane for reconfiguration. | |
589 | */ | |
590 | p_ptr->window_w = menu->p_width; | |
591 | p_ptr->window_h = menu->p_height; | |
592 | config_p = True; | |
593 | } | |
594 | ||
595 | /* | |
596 | * If we need to reconfigure the pane window do it now. | |
597 | */ | |
598 | if (config_p == True) { | |
599 | /* | |
600 | * If the pane window has already been created then | |
601 | * reconfigure the existing window, otherwise queue | |
602 | * it for creation with the new configuration. | |
603 | */ | |
604 | if (p_ptr->window) { | |
605 | change_mask = (CWX | CWY | CWWidth | CWHeight); | |
606 | changes = (XWindowChanges *)malloc(sizeof(XWindowChanges)); | |
607 | changes->x = p_ptr->window_x; | |
608 | changes->y = p_ptr->window_y; | |
609 | changes->width = p_ptr->window_w; | |
610 | changes->height = p_ptr->window_h; | |
177c0ea7 | 611 | |
e745ede7 DL |
612 | XConfigureWindow( |
613 | display, | |
614 | p_ptr->window, | |
615 | change_mask, | |
616 | changes | |
617 | ); | |
618 | free(changes); | |
177c0ea7 | 619 | |
e745ede7 DL |
620 | } |
621 | else { | |
622 | if (_XMWinQueAddPane(display, menu, p_ptr) == _FAILURE) { | |
623 | return(_FAILURE); | |
624 | } | |
625 | } | |
626 | } | |
177c0ea7 | 627 | |
e745ede7 DL |
628 | /* |
629 | * Recompute label X position. | |
630 | */ | |
631 | switch (menu->p_style) { | |
632 | case LEFT: | |
633 | p_ptr->label_x = menu->p_x_off + menu->p_fnt_pad; | |
634 | break; | |
635 | case RIGHT: | |
636 | p_ptr->label_x = menu->p_width - | |
637 | (p_ptr->label_width + menu->p_x_off + menu->p_fnt_pad); | |
638 | break; | |
639 | case CENTER: | |
640 | p_ptr->label_x = (menu->p_width - p_ptr->label_width) >> 1; | |
641 | break; | |
642 | default: | |
643 | /* Error! Invalid style parameter. */ | |
644 | _XMErrorCode = XME_STYLE_PARAM; | |
645 | return(_FAILURE); | |
646 | } | |
647 | /* | |
648 | * Recompute label Y positions. | |
649 | */ | |
650 | p_ptr->label_uy = menu->p_fnt_pad + menu->p_fnt_info->max_bounds.ascent; | |
651 | p_ptr->label_ly = (menu->p_height - menu->p_fnt_pad - menu->p_fnt_info->max_bounds.descent); | |
652 | ||
653 | /* | |
654 | * All went well, return successfully. | |
655 | */ | |
656 | _XMErrorCode = XME_NO_ERROR; | |
657 | return(_SUCCESS); | |
658 | } | |
659 | ||
660 | ||
661 | ||
662 | /* | |
663 | * _XMRecomputeSelection - Internal subroutine to recompute | |
664 | * selection window dependencies. | |
665 | */ | |
666 | int | |
667 | _XMRecomputeSelection(display, menu, s_ptr, s_num) | |
668 | register Display *display; | |
669 | register XMenu *menu; /* Menu object being recomputed. */ | |
670 | register XMSelect *s_ptr; /* Selection pointer. */ | |
671 | register int s_num; /* Selection sequence number. */ | |
672 | { | |
673 | register Bool config_s = False; /* Reconfigure selection window? */ | |
674 | XWindowChanges *changes; /* Values to change in configure. */ | |
675 | unsigned long change_mask; /* Value mask for XConfigureWindow. */ | |
177c0ea7 | 676 | |
e745ede7 DL |
677 | /* |
678 | * If the selection serial numbers are out of order, begin | |
679 | * resequencing selections. Recompute selection window coordinates | |
680 | * and serial number. | |
681 | * | |
682 | * When selections are created they are given a serial number of | |
683 | * -1, this causes this routine to give a new selection | |
684 | * its initial coordinates and serial number. | |
685 | */ | |
686 | if (s_ptr->serial != s_num) { | |
687 | /* | |
688 | * Fix the sequence number. | |
689 | */ | |
690 | s_ptr->serial = s_num; | |
691 | /* | |
692 | * Recompute window X and Y coordinates. | |
693 | */ | |
694 | s_ptr->window_x = menu->s_x_off; | |
695 | s_ptr->window_y = menu->flag_height + (menu->s_y_off * s_num); | |
696 | /* | |
697 | * We must reconfigure the window. | |
698 | */ | |
699 | config_s = True; | |
700 | } | |
701 | ||
702 | /* | |
703 | * If the local selection width and height differs from the | |
704 | * menu selection width and height, reset the local values. | |
705 | */ | |
706 | if ( | |
707 | (s_ptr->window_w != menu->s_width) || | |
708 | (s_ptr->window_h != menu->s_height) | |
709 | ){ | |
710 | /* | |
711 | * We must reconfigure the window. | |
712 | */ | |
713 | config_s = True; | |
714 | /* | |
715 | * Reset window width and height. | |
716 | */ | |
717 | s_ptr->window_w = menu->s_width; | |
718 | s_ptr->window_h = menu->s_height; | |
719 | } | |
720 | ||
721 | /* | |
722 | * If we need to reconfigure the selection window do it now. | |
723 | */ | |
724 | if (config_s == True) { | |
725 | /* | |
726 | * If the selection window has already been created then | |
727 | * reconfigure the existing window, otherwise queue it | |
728 | * for creation with the new configuration. | |
729 | */ | |
730 | if (s_ptr->window) { | |
731 | changes = (XWindowChanges *)malloc(sizeof(XWindowChanges)); | |
732 | change_mask = (CWX | CWY | CWWidth | CWHeight); | |
733 | changes = (XWindowChanges *)malloc(sizeof(XWindowChanges)); | |
734 | changes->x = s_ptr->window_x; | |
735 | changes->y = s_ptr->window_y; | |
736 | changes->width = s_ptr->window_w; | |
737 | changes->height = s_ptr->window_h; | |
177c0ea7 | 738 | |
e745ede7 DL |
739 | XConfigureWindow( |
740 | display, | |
741 | s_ptr->window, | |
742 | change_mask, | |
743 | changes | |
744 | ); | |
745 | free(changes); | |
177c0ea7 | 746 | |
e745ede7 DL |
747 | } |
748 | else { | |
749 | if (_XMWinQueAddSelection(display, menu, s_ptr) == _FAILURE) { | |
750 | return(_FAILURE); | |
751 | } | |
752 | } | |
753 | } | |
754 | ||
755 | /* | |
756 | * Recompute label X position. | |
757 | */ | |
758 | switch (menu->s_style) { | |
759 | case LEFT: | |
760 | s_ptr->label_x = menu->s_bdr_width + menu->s_fnt_pad + s_ptr->window_x; | |
761 | break; | |
762 | case RIGHT: | |
763 | s_ptr->label_x = s_ptr->window_x + menu->s_width - | |
764 | (s_ptr->label_width + menu->s_bdr_width + menu->s_fnt_pad); | |
765 | break; | |
766 | case CENTER: | |
767 | s_ptr->label_x = s_ptr->window_x + ((menu->s_width - s_ptr->label_width) >> 1); | |
768 | break; | |
769 | default: | |
770 | /* Error! Invalid style parameter. */ | |
771 | _XMErrorCode = XME_STYLE_PARAM; | |
772 | return(_FAILURE); | |
773 | } | |
774 | /* | |
775 | * Recompute label Y position. | |
776 | */ | |
777 | s_ptr->label_y = s_ptr->window_y + menu->s_fnt_info->max_bounds.ascent + menu->s_fnt_pad + menu->s_bdr_width; | |
177c0ea7 | 778 | |
e745ede7 DL |
779 | /* |
780 | * All went well, return successfully. | |
781 | */ | |
782 | _XMErrorCode = XME_NO_ERROR; | |
783 | return(_SUCCESS); | |
784 | } | |
785 | ||
786 | ||
787 | ||
788 | /* | |
789 | * _XMTransToOrigin - Internal subroutine to translate the point at | |
177c0ea7 | 790 | * the center of the current pane and selection to the |
e745ede7 DL |
791 | * the menu origin. |
792 | * | |
793 | * WARNING! ****** Be certain that all menu dependencies have been | |
794 | * recomputed before calling this routine or | |
795 | * unpredictable results will follow. | |
796 | */ | |
797 | _XMTransToOrigin(display, menu, p_ptr, s_ptr, x_pos, y_pos, orig_x, orig_y) | |
798 | Display *display; /* Not used. Included for consistency. */ | |
799 | register XMenu *menu; /* Menu being computed against. */ | |
800 | register XMPane *p_ptr; /* Current pane pointer. */ | |
801 | register XMSelect *s_ptr; /* Current selection pointer. */ | |
802 | int x_pos; /* X coordinate of point to translate. */ | |
803 | int y_pos; /* Y coordinate of point to translate. */ | |
804 | int *orig_x; /* Return value X coord. of the menu origin. */ | |
805 | int *orig_y; /* Return value Y coord. of the menu origin. */ | |
806 | { | |
807 | register int l_orig_x; /* Local X coordinate of the menu origin. */ | |
808 | register int l_orig_y; /* Local Y coordinate of the menu origin. */ | |
177c0ea7 | 809 | |
e745ede7 DL |
810 | /* |
811 | * Translate the menu origin such that the cursor hot point will be in the | |
812 | * center of the desired current selection and pane. | |
813 | * If the current selection pointer is NULL then assume that the hot point | |
814 | * will be in the center of the current pane flag. | |
815 | */ | |
816 | ||
817 | if (s_ptr == NULL) { | |
818 | /* | |
819 | * Translate from the center of the pane flag to the upper left | |
820 | * of the current pane window. | |
821 | */ | |
822 | l_orig_x = x_pos - (menu->p_width >> 1) - menu->p_bdr_width; | |
823 | l_orig_y = y_pos - (menu->flag_height >> 1) - menu->p_bdr_width; | |
824 | } | |
825 | else { | |
826 | /* | |
827 | * First translate from the center of the current selection | |
828 | * to the upper left of the current selection window. | |
829 | */ | |
830 | l_orig_x = x_pos - (menu->s_width >> 1); | |
831 | l_orig_y = y_pos - (menu->s_height >> 1); | |
832 | ||
833 | /* | |
834 | * Then translate to the upper left of the current pane window. | |
835 | */ | |
836 | l_orig_x -= (s_ptr->window_x + menu->p_bdr_width); | |
837 | l_orig_y -= (s_ptr->window_y + menu->p_bdr_width); | |
838 | } | |
839 | ||
840 | /* | |
841 | * Finally translate to the upper left of the menu. | |
842 | */ | |
843 | l_orig_x -= (p_ptr->window_x - menu->x_pos); | |
844 | l_orig_y -= (p_ptr->window_y - menu->y_pos); | |
845 | ||
846 | /* | |
847 | * Set the return values. | |
848 | */ | |
849 | *orig_x = l_orig_x; | |
850 | *orig_y = l_orig_y; | |
851 | } | |
852 | ||
853 | /* | |
854 | * _XMRefreshPane - Internal subroutine to completely refresh | |
855 | * the contents of a pane. | |
856 | */ | |
857 | _XMRefreshPane(display, menu, pane) | |
858 | register Display *display; | |
859 | register XMenu *menu; | |
860 | register XMPane *pane; | |
861 | { | |
862 | register XMSelect *s_list = pane->s_list; | |
863 | register XMSelect *s_ptr; | |
864 | ||
865 | /* | |
177c0ea7 | 866 | * First clear the pane. |
e745ede7 DL |
867 | */ |
868 | XClearWindow(display, pane->window); | |
869 | if (!pane->activated) { | |
870 | XFillRectangle(display, | |
871 | pane->window, | |
872 | menu->inverse_select_GC, | |
873 | pane->label_x - menu->p_fnt_pad, | |
874 | pane->label_uy - menu->p_fnt_info->max_bounds.ascent - menu->p_fnt_pad, | |
875 | pane->label_width + (menu->p_fnt_pad << 1), | |
876 | menu->flag_height); | |
877 | ||
878 | XFillRectangle(display, | |
879 | pane->window, | |
880 | menu->inverse_select_GC, | |
881 | pane->label_x - menu->p_fnt_pad, | |
882 | pane->label_ly - menu->p_fnt_info->max_bounds.ascent - menu->p_fnt_pad, | |
883 | pane->label_width + (menu->p_fnt_pad << 1), | |
884 | menu->flag_height); | |
885 | } | |
886 | if (!pane->active) { | |
887 | XDrawString(display, | |
888 | pane->window, | |
889 | menu->inact_GC, | |
890 | pane->label_x, pane->label_uy, | |
891 | pane->label, pane->label_length); | |
892 | XDrawString(display, | |
893 | pane->window, | |
894 | menu->inact_GC, | |
895 | pane->label_x, pane->label_ly, | |
896 | pane->label, pane->label_length); | |
897 | } | |
898 | else { | |
899 | XDrawString(display, | |
900 | pane->window, | |
901 | menu->pane_GC, | |
902 | pane->label_x, pane->label_uy, | |
903 | pane->label, pane->label_length); | |
904 | XDrawString(display, | |
905 | pane->window, | |
906 | menu->pane_GC, | |
907 | pane->label_x, pane->label_ly, | |
908 | pane->label, pane->label_length); | |
909 | ||
910 | /* | |
911 | * Finally refresh each selection if the pane is activated. | |
912 | */ | |
913 | if (pane->activated) { | |
914 | for (s_ptr = s_list->next; s_ptr != s_list; s_ptr = s_ptr->next) | |
915 | _XMRefreshSelection(display, menu, s_ptr); | |
916 | } | |
917 | } | |
918 | } | |
177c0ea7 JB |
919 | |
920 | ||
e745ede7 DL |
921 | |
922 | ||
923 | /* | |
177c0ea7 | 924 | * _XMRefreshSelection - Internal subroutine that refreshes |
e745ede7 DL |
925 | * a single selection window. |
926 | */ | |
927 | _XMRefreshSelection(display, menu, select) | |
928 | register Display *display; | |
929 | register XMenu *menu; | |
930 | register XMSelect *select; | |
931 | { | |
932 | register int width = select->window_w; | |
933 | register int height = select->window_h; | |
934 | register int bdr_width = menu->s_bdr_width; | |
177c0ea7 | 935 | |
e745ede7 DL |
936 | if (select->type == SEPARATOR) { |
937 | XDrawLine(display, | |
938 | select->parent_p->window, | |
939 | menu->normal_select_GC, | |
940 | select->window_x, | |
941 | select->window_y + height / 2, | |
942 | select->window_x + width, | |
943 | select->window_y + height / 2); | |
944 | } | |
945 | else if (select->activated) { | |
946 | if (menu->menu_mode == INVERT) { | |
177c0ea7 | 947 | XFillRectangle(display, |
e745ede7 DL |
948 | select->parent_p->window, |
949 | menu->normal_select_GC, | |
950 | select->window_x, select->window_y, | |
177c0ea7 | 951 | width, height); |
e745ede7 DL |
952 | XDrawString(display, |
953 | select->parent_p->window, | |
954 | menu->inverse_select_GC, | |
955 | select->label_x, | |
956 | select->label_y, | |
957 | select->label, select->label_length); | |
958 | } | |
959 | else { | |
960 | /* | |
961 | * Using BOX mode. | |
962 | * Since most drawing routines with arbitrary width lines | |
963 | * are slow compared to raster-ops lets use a raster-op to | |
964 | * draw the boxes. | |
965 | */ | |
177c0ea7 | 966 | |
e745ede7 DL |
967 | XDrawRectangle(display, |
968 | select->parent_p->window, | |
969 | menu->normal_select_GC, | |
970 | select->window_x + (bdr_width >> 1), | |
971 | select->window_y + (bdr_width >> 1 ), | |
972 | width - bdr_width, | |
973 | height - bdr_width); | |
974 | XDrawString(display, | |
975 | select->parent_p->window, | |
976 | menu->normal_select_GC, | |
977 | select->label_x, | |
978 | select->label_y, | |
979 | select->label, select->label_length); | |
980 | } | |
981 | } | |
982 | else { | |
177c0ea7 | 983 | XClearArea(display, |
e745ede7 DL |
984 | select->parent_p->window, |
985 | select->window_x, select->window_y, | |
986 | width, height, | |
987 | False); | |
988 | if (select->active) { | |
989 | XDrawString(display, | |
990 | select->parent_p->window, | |
991 | menu->normal_select_GC, | |
992 | select->label_x, | |
993 | select->label_y, | |
994 | select->label, select->label_length); | |
995 | } | |
996 | else { | |
997 | XDrawString(display, | |
998 | select->parent_p->window, | |
999 | menu->inact_GC, | |
1000 | select->label_x, | |
1001 | select->label_y, | |
1002 | select->label, select->label_length); | |
1003 | } | |
1004 | } | |
1005 | } | |
1006 |