Commit | Line | Data |
---|---|---|
07bf635f RS |
1 | /* A general interface to the widgets of different toolkits. |
2 | Copyright (C) 1992, 1993 Lucid, Inc. | |
3 | ||
4 | This file is part of the Lucid Widget Library. | |
5 | ||
6 | The Lucid Widget Library is free software; you can redistribute it and/or | |
7 | modify 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 | The Lucid Widget Library 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, 675 Mass Ave, Cambridge, MA 02139, USA. */ | |
19 | ||
20 | #ifdef NeXT | |
21 | #undef __STRICT_BSD__ /* ick */ | |
22 | #endif | |
23 | ||
07bf635f | 24 | #include <sys/types.h> |
07bf635f | 25 | #include <stdio.h> |
5f61736f | 26 | #include <ctype.h> |
e7818b5a | 27 | #include "lwlib-int.h" |
07bf635f | 28 | #include "lwlib-utils.h" |
01492d1b | 29 | #include <X11/StringDefs.h> |
07bf635f | 30 | |
07bf635f RS |
31 | #if defined (USE_LUCID) |
32 | #include "lwlib-Xlw.h" | |
33 | #endif | |
34 | #if defined (USE_MOTIF) | |
35 | #include "lwlib-Xm.h" | |
ce5a08a1 FP |
36 | #else /* not USE_MOTIF */ |
37 | #if defined (USE_LUCID) | |
38 | #define USE_XAW | |
39 | #endif /* not USE_MOTIF && USE_LUCID */ | |
07bf635f RS |
40 | #endif |
41 | #if defined (USE_OLIT) | |
42 | #include "lwlib-Xol.h" | |
43 | #endif | |
9331cca8 FP |
44 | #if defined (USE_XAW) |
45 | #include "lwlib-Xaw.h" | |
46 | #endif | |
07bf635f RS |
47 | |
48 | #if !defined (USE_LUCID) && !defined (USE_MOTIF) && !defined (USE_OLIT) | |
49 | ERROR! At least one of USE_LUCID, USE_MOTIF or USE_OLIT must be defined. | |
50 | #endif | |
51 | ||
52 | #if defined (USE_MOTIF) && defined (USE_OLIT) | |
53 | ERROR! no more than one of USE_MOTIF and USE_OLIT may be defined. | |
54 | #endif | |
55 | ||
2af91681 PR |
56 | #ifndef max |
57 | #define max(x, y) ((x) > (y) ? (x) : (y)) | |
58 | #endif | |
59 | ||
07bf635f RS |
60 | /* List of all widgets managed by the library. */ |
61 | static widget_info* | |
62 | all_widget_info = NULL; | |
63 | ||
64 | \f/* Forward declarations */ | |
65 | static void | |
5f61736f | 66 | instanciate_widget_instance (/* widget_instance* instance */); |
07bf635f | 67 | |
f60044f5 RS |
68 | lwlib_memset (address, value, length) |
69 | char *address; | |
70 | int value; | |
71 | int length; | |
72 | { | |
73 | int i; | |
74 | ||
75 | for (i = 0; i < length; i++) | |
76 | address[i] = value; | |
77 | } | |
78 | ||
79 | lwlib_bcopy (from, to, length) | |
80 | char *from; | |
81 | char *to; | |
82 | int length; | |
83 | { | |
84 | int i; | |
85 | ||
86 | for (i = 0; i < length; i++) | |
87 | to[i] = from[i]; | |
88 | } | |
07bf635f | 89 | \f/* utility functions for widget_instance and widget_info */ |
bb2ee72b | 90 | char * |
5f61736f RS |
91 | safe_strdup (s) |
92 | char *s; | |
07bf635f RS |
93 | { |
94 | char *result; | |
95 | if (! s) return 0; | |
96 | result = (char *) malloc (strlen (s) + 1); | |
97 | if (! result) | |
98 | return 0; | |
99 | strcpy (result, s); | |
100 | return result; | |
101 | } | |
102 | ||
5f61736f RS |
103 | /* Like strcmp but ignore differences in case. */ |
104 | ||
105 | static int | |
ed9c1473 | 106 | my_strcasecmp (s1, s2) |
5f61736f RS |
107 | char *s1, *s2; |
108 | { | |
109 | while (1) | |
110 | { | |
111 | int c1 = *s1++; | |
112 | int c2 = *s2++; | |
113 | if (isupper (c1)) | |
114 | c1 = tolower (c1); | |
115 | if (isupper (c2)) | |
116 | c2 = tolower (c2); | |
117 | if (c1 != c2) | |
118 | return (c1 > c2 ? 1 : -1); | |
119 | if (c1 == 0) | |
120 | return 0; | |
121 | } | |
122 | } | |
123 | ||
07bf635f | 124 | static void |
5f61736f RS |
125 | safe_free_str (s) |
126 | char *s; | |
07bf635f RS |
127 | { |
128 | if (s) free (s); | |
129 | } | |
130 | ||
131 | static widget_value *widget_value_free_list = 0; | |
0b96f00b | 132 | static int malloc_cpt = 0; |
07bf635f RS |
133 | |
134 | widget_value * | |
135 | malloc_widget_value () | |
136 | { | |
137 | widget_value *wv; | |
138 | if (widget_value_free_list) | |
139 | { | |
140 | wv = widget_value_free_list; | |
141 | widget_value_free_list = wv->free_list; | |
142 | wv->free_list = 0; | |
143 | } | |
144 | else | |
145 | { | |
146 | wv = (widget_value *) malloc (sizeof (widget_value)); | |
0b96f00b | 147 | malloc_cpt++; |
07bf635f | 148 | } |
f60044f5 | 149 | lwlib_memset (wv, 0, sizeof (widget_value)); |
07bf635f RS |
150 | return wv; |
151 | } | |
152 | ||
153 | /* this is analagous to free(). It frees only what was allocated | |
154 | by malloc_widget_value(), and no substructures. | |
155 | */ | |
156 | void | |
157 | free_widget_value (wv) | |
158 | widget_value *wv; | |
159 | { | |
160 | if (wv->free_list) | |
161 | abort (); | |
0b96f00b | 162 | |
d2a5919f | 163 | if (malloc_cpt > 25) |
0b96f00b FP |
164 | { |
165 | /* When the number of already allocated cells is too big, | |
166 | We free it. */ | |
0b96f00b | 167 | free (wv); |
d2a5919f | 168 | malloc_cpt--; |
0b96f00b FP |
169 | } |
170 | else | |
171 | { | |
172 | wv->free_list = widget_value_free_list; | |
173 | widget_value_free_list = wv; | |
174 | } | |
07bf635f RS |
175 | } |
176 | ||
177 | static void | |
5f61736f RS |
178 | free_widget_value_tree (wv) |
179 | widget_value *wv; | |
07bf635f RS |
180 | { |
181 | if (!wv) | |
182 | return; | |
183 | ||
184 | if (wv->name) free (wv->name); | |
185 | if (wv->value) free (wv->value); | |
186 | if (wv->key) free (wv->key); | |
187 | ||
188 | wv->name = wv->value = wv->key = (char *) 0xDEADBEEF; | |
189 | ||
190 | if (wv->toolkit_data && wv->free_toolkit_data) | |
191 | { | |
192 | free (wv->toolkit_data); | |
193 | wv->toolkit_data = (void *) 0xDEADBEEF; | |
194 | } | |
195 | ||
196 | if (wv->contents && (wv->contents != (widget_value*)1)) | |
197 | { | |
198 | free_widget_value_tree (wv->contents); | |
199 | wv->contents = (widget_value *) 0xDEADBEEF; | |
200 | } | |
201 | if (wv->next) | |
202 | { | |
203 | free_widget_value_tree (wv->next); | |
204 | wv->next = (widget_value *) 0xDEADBEEF; | |
205 | } | |
206 | free_widget_value (wv); | |
207 | } | |
208 | ||
209 | static widget_value * | |
5f61736f RS |
210 | copy_widget_value_tree (val, change) |
211 | widget_value* val; | |
212 | change_type change; | |
07bf635f RS |
213 | { |
214 | widget_value* copy; | |
215 | ||
216 | if (!val) | |
217 | return NULL; | |
218 | if (val == (widget_value *) 1) | |
219 | return val; | |
220 | ||
221 | copy = malloc_widget_value (); | |
222 | copy->name = safe_strdup (val->name); | |
223 | copy->value = safe_strdup (val->value); | |
224 | copy->key = safe_strdup (val->key); | |
225 | copy->enabled = val->enabled; | |
226 | copy->selected = val->selected; | |
227 | copy->edited = False; | |
228 | copy->change = change; | |
229 | copy->contents = copy_widget_value_tree (val->contents, change); | |
230 | copy->call_data = val->call_data; | |
231 | copy->next = copy_widget_value_tree (val->next, change); | |
232 | copy->toolkit_data = NULL; | |
233 | copy->free_toolkit_data = False; | |
234 | return copy; | |
235 | } | |
236 | ||
237 | static widget_info * | |
5f61736f RS |
238 | allocate_widget_info (type, name, id, val, pre_activate_cb, selection_cb, post_activate_cb) |
239 | char* type; | |
240 | char* name; | |
241 | LWLIB_ID id; | |
242 | widget_value* val; | |
243 | lw_callback pre_activate_cb; | |
244 | lw_callback selection_cb; | |
245 | lw_callback post_activate_cb; | |
07bf635f RS |
246 | { |
247 | widget_info* info = (widget_info*)malloc (sizeof (widget_info)); | |
248 | info->type = safe_strdup (type); | |
249 | info->name = safe_strdup (name); | |
250 | info->id = id; | |
251 | info->val = copy_widget_value_tree (val, STRUCTURAL_CHANGE); | |
252 | info->busy = False; | |
253 | info->pre_activate_cb = pre_activate_cb; | |
254 | info->selection_cb = selection_cb; | |
255 | info->post_activate_cb = post_activate_cb; | |
256 | info->instances = NULL; | |
257 | ||
258 | info->next = all_widget_info; | |
259 | all_widget_info = info; | |
260 | ||
261 | return info; | |
262 | } | |
263 | ||
264 | static void | |
5f61736f RS |
265 | free_widget_info (info) |
266 | widget_info* info; | |
07bf635f RS |
267 | { |
268 | safe_free_str (info->type); | |
269 | safe_free_str (info->name); | |
270 | free_widget_value_tree (info->val); | |
f60044f5 | 271 | lwlib_memset ((void*)info, 0xDEADBEEF, sizeof (widget_info)); |
07bf635f RS |
272 | free (info); |
273 | } | |
274 | ||
275 | static void | |
5f61736f RS |
276 | mark_widget_destroyed (widget, closure, call_data) |
277 | Widget widget; | |
278 | XtPointer closure; | |
279 | XtPointer call_data; | |
07bf635f RS |
280 | { |
281 | widget_instance* instance = (widget_instance*)closure; | |
282 | ||
283 | /* be very conservative */ | |
284 | if (instance->widget == widget) | |
285 | instance->widget = NULL; | |
286 | } | |
287 | ||
288 | static widget_instance * | |
5f61736f RS |
289 | allocate_widget_instance (info, parent, pop_up_p) |
290 | widget_info* info; | |
291 | Widget parent; | |
292 | Boolean pop_up_p; | |
07bf635f RS |
293 | { |
294 | widget_instance* instance = | |
295 | (widget_instance*)malloc (sizeof (widget_instance)); | |
296 | instance->parent = parent; | |
297 | instance->pop_up_p = pop_up_p; | |
298 | instance->info = info; | |
299 | instance->next = info->instances; | |
300 | info->instances = instance; | |
301 | ||
302 | instanciate_widget_instance (instance); | |
303 | ||
304 | XtAddCallback (instance->widget, XtNdestroyCallback, | |
305 | mark_widget_destroyed, (XtPointer)instance); | |
306 | return instance; | |
307 | } | |
308 | ||
309 | static void | |
5f61736f RS |
310 | free_widget_instance (instance) |
311 | widget_instance* instance; | |
07bf635f | 312 | { |
f60044f5 | 313 | lwlib_memset ((void*)instance, 0xDEADBEEF, sizeof (widget_instance)); |
07bf635f RS |
314 | free (instance); |
315 | } | |
316 | ||
317 | static widget_info * | |
5f61736f RS |
318 | get_widget_info (id, remove_p) |
319 | LWLIB_ID id; | |
320 | Boolean remove_p; | |
07bf635f RS |
321 | { |
322 | widget_info* info; | |
323 | widget_info* prev; | |
324 | for (prev = NULL, info = all_widget_info; | |
325 | info; | |
326 | prev = info, info = info->next) | |
327 | if (info->id == id) | |
328 | { | |
329 | if (remove_p) | |
330 | { | |
331 | if (prev) | |
332 | prev->next = info->next; | |
333 | else | |
334 | all_widget_info = info->next; | |
335 | } | |
336 | return info; | |
337 | } | |
338 | return NULL; | |
339 | } | |
340 | ||
9331cca8 FP |
341 | /* Internal function used by the library dependent implementation to get the |
342 | widget_value for a given widget in an instance */ | |
343 | widget_info * | |
e14e13a4 FP |
344 | lw_get_widget_info (id) |
345 | LWLIB_ID id; | |
9331cca8 FP |
346 | { |
347 | return get_widget_info (id, 0); | |
348 | } | |
349 | ||
07bf635f | 350 | static widget_instance * |
5f61736f RS |
351 | get_widget_instance (widget, remove_p) |
352 | Widget widget; | |
353 | Boolean remove_p; | |
07bf635f RS |
354 | { |
355 | widget_info* info; | |
356 | widget_instance* instance; | |
357 | widget_instance* prev; | |
358 | for (info = all_widget_info; info; info = info->next) | |
359 | for (prev = NULL, instance = info->instances; | |
360 | instance; | |
361 | prev = instance, instance = instance->next) | |
362 | if (instance->widget == widget) | |
363 | { | |
364 | if (remove_p) | |
365 | { | |
366 | if (prev) | |
367 | prev->next = instance->next; | |
368 | else | |
369 | info->instances = instance->next; | |
370 | } | |
371 | return instance; | |
372 | } | |
373 | return (widget_instance *) 0; | |
374 | } | |
375 | ||
376 | static widget_instance* | |
5f61736f RS |
377 | find_instance (id, parent, pop_up_p) |
378 | LWLIB_ID id; | |
379 | Widget parent; | |
380 | Boolean pop_up_p; | |
07bf635f RS |
381 | { |
382 | widget_info* info = get_widget_info (id, False); | |
383 | widget_instance* instance; | |
384 | ||
385 | if (info) | |
386 | for (instance = info->instances; instance; instance = instance->next) | |
387 | if (instance->parent == parent && instance->pop_up_p == pop_up_p) | |
388 | return instance; | |
389 | ||
390 | return NULL; | |
391 | } | |
392 | ||
393 | \f | |
394 | /* utility function for widget_value */ | |
395 | static Boolean | |
5f61736f RS |
396 | safe_strcmp (s1, s2) |
397 | char* s1; | |
398 | char* s2; | |
07bf635f RS |
399 | { |
400 | if (!!s1 ^ !!s2) return True; | |
401 | return (s1 && s2) ? strcmp (s1, s2) : s1 ? False : !!s2; | |
402 | } | |
403 | ||
07bf635f RS |
404 | |
405 | #if 0 | |
406 | # define EXPLAIN(name, oc, nc, desc, a1, a2) \ | |
407 | printf ("Change: \"%s\"\tmax(%s=%d,%s=%d)\t%s %d %d\n", \ | |
408 | name, \ | |
409 | (oc == NO_CHANGE ? "none" : \ | |
410 | (oc == INVISIBLE_CHANGE ? "invisible" : \ | |
411 | (oc == VISIBLE_CHANGE ? "visible" : \ | |
412 | (oc == STRUCTURAL_CHANGE ? "structural" : "???")))), \ | |
413 | oc, \ | |
414 | (nc == NO_CHANGE ? "none" : \ | |
415 | (nc == INVISIBLE_CHANGE ? "invisible" : \ | |
416 | (nc == VISIBLE_CHANGE ? "visible" : \ | |
417 | (nc == STRUCTURAL_CHANGE ? "structural" : "???")))), \ | |
418 | nc, desc, a1, a2) | |
419 | #else | |
420 | # define EXPLAIN(name, oc, nc, desc, a1, a2) | |
421 | #endif | |
422 | ||
423 | ||
424 | static widget_value * | |
5f61736f RS |
425 | merge_widget_value (val1, val2, level) |
426 | widget_value* val1; | |
427 | widget_value* val2; | |
428 | int level; | |
07bf635f RS |
429 | { |
430 | change_type change; | |
431 | widget_value* merged_next; | |
432 | widget_value* merged_contents; | |
433 | ||
434 | if (!val1) | |
435 | { | |
436 | if (val2) | |
437 | return copy_widget_value_tree (val2, STRUCTURAL_CHANGE); | |
438 | else | |
439 | return NULL; | |
440 | } | |
441 | if (!val2) | |
442 | { | |
443 | free_widget_value_tree (val1); | |
444 | return NULL; | |
445 | } | |
446 | ||
447 | change = NO_CHANGE; | |
448 | ||
449 | if (safe_strcmp (val1->name, val2->name)) | |
450 | { | |
451 | EXPLAIN (val1->name, change, STRUCTURAL_CHANGE, "name change", | |
452 | val1->name, val2->name); | |
453 | change = max (change, STRUCTURAL_CHANGE); | |
454 | safe_free_str (val1->name); | |
455 | val1->name = safe_strdup (val2->name); | |
456 | } | |
457 | if (safe_strcmp (val1->value, val2->value)) | |
458 | { | |
459 | EXPLAIN (val1->name, change, VISIBLE_CHANGE, "value change", | |
460 | val1->value, val2->value); | |
461 | change = max (change, VISIBLE_CHANGE); | |
462 | safe_free_str (val1->value); | |
463 | val1->value = safe_strdup (val2->value); | |
464 | } | |
465 | if (safe_strcmp (val1->key, val2->key)) | |
466 | { | |
467 | EXPLAIN (val1->name, change, VISIBLE_CHANGE, "key change", | |
468 | val1->key, val2->key); | |
469 | change = max (change, VISIBLE_CHANGE); | |
470 | safe_free_str (val1->key); | |
471 | val1->key = safe_strdup (val2->key); | |
472 | } | |
473 | if (val1->enabled != val2->enabled) | |
474 | { | |
475 | EXPLAIN (val1->name, change, VISIBLE_CHANGE, "enablement change", | |
476 | val1->enabled, val2->enabled); | |
477 | change = max (change, VISIBLE_CHANGE); | |
478 | val1->enabled = val2->enabled; | |
479 | } | |
480 | if (val1->selected != val2->selected) | |
481 | { | |
482 | EXPLAIN (val1->name, change, VISIBLE_CHANGE, "selection change", | |
483 | val1->selected, val2->selected); | |
484 | change = max (change, VISIBLE_CHANGE); | |
485 | val1->selected = val2->selected; | |
486 | } | |
487 | if (val1->call_data != val2->call_data) | |
488 | { | |
489 | EXPLAIN (val1->name, change, INVISIBLE_CHANGE, "call-data change", | |
490 | val1->call_data, val2->call_data); | |
491 | change = max (change, INVISIBLE_CHANGE); | |
492 | val1->call_data = val2->call_data; | |
493 | } | |
494 | ||
495 | if (level > 0) | |
496 | { | |
497 | merged_contents = | |
498 | merge_widget_value (val1->contents, val2->contents, level - 1); | |
499 | ||
500 | if (val1->contents && !merged_contents) | |
501 | { | |
502 | EXPLAIN (val1->name, change, INVISIBLE_CHANGE, "(contents gone)", | |
503 | 0, 0); | |
504 | change = max (change, INVISIBLE_CHANGE); | |
505 | } | |
506 | else if (merged_contents && merged_contents->change != NO_CHANGE) | |
507 | { | |
508 | EXPLAIN (val1->name, change, INVISIBLE_CHANGE, "(contents change)", | |
509 | 0, 0); | |
510 | change = max (change, INVISIBLE_CHANGE); | |
511 | } | |
512 | ||
513 | val1->contents = merged_contents; | |
514 | } | |
515 | ||
516 | merged_next = merge_widget_value (val1->next, val2->next, level); | |
517 | ||
518 | if (val1->next && !merged_next) | |
519 | { | |
520 | EXPLAIN (val1->name, change, STRUCTURAL_CHANGE, "(following gone)", | |
521 | 0, 0); | |
522 | change = max (change, STRUCTURAL_CHANGE); | |
523 | } | |
524 | else if (merged_next) | |
525 | { | |
526 | if (merged_next->change) | |
527 | EXPLAIN (val1->name, change, merged_next->change, "(following change)", | |
528 | 0, 0); | |
529 | change = max (change, merged_next->change); | |
530 | } | |
531 | ||
532 | val1->next = merged_next; | |
533 | ||
534 | val1->change = change; | |
535 | ||
536 | if (change > NO_CHANGE && val1->toolkit_data) | |
537 | { | |
538 | if (val1->free_toolkit_data) | |
539 | free (val1->toolkit_data); | |
540 | val1->toolkit_data = NULL; | |
541 | } | |
542 | ||
543 | return val1; | |
544 | } | |
545 | ||
546 | \f | |
547 | /* modifying the widgets */ | |
548 | static Widget | |
5f61736f RS |
549 | name_to_widget (instance, name) |
550 | widget_instance* instance; | |
551 | char* name; | |
07bf635f RS |
552 | { |
553 | Widget widget = NULL; | |
554 | ||
555 | if (!instance->widget) | |
556 | return NULL; | |
557 | ||
558 | if (!strcmp (XtName (instance->widget), name)) | |
559 | widget = instance->widget; | |
560 | else | |
561 | { | |
562 | int length = strlen (name) + 2; | |
f60044f5 | 563 | char* real_name = (char *) xmalloc (length); |
07bf635f RS |
564 | real_name [0] = '*'; |
565 | strcpy (real_name + 1, name); | |
566 | ||
567 | widget = XtNameToWidget (instance->widget, real_name); | |
f60044f5 RS |
568 | |
569 | free (real_name); | |
07bf635f RS |
570 | } |
571 | return widget; | |
572 | } | |
573 | ||
574 | static void | |
5f61736f RS |
575 | set_one_value (instance, val, deep_p) |
576 | widget_instance* instance; | |
577 | widget_value* val; | |
578 | Boolean deep_p; | |
07bf635f RS |
579 | { |
580 | Widget widget = name_to_widget (instance, val->name); | |
581 | ||
582 | if (widget) | |
583 | { | |
584 | #if defined (USE_LUCID) | |
585 | if (lw_lucid_widget_p (instance->widget)) | |
586 | xlw_update_one_widget (instance, widget, val, deep_p); | |
587 | #endif | |
588 | #if defined (USE_MOTIF) | |
589 | if (lw_motif_widget_p (instance->widget)) | |
590 | xm_update_one_widget (instance, widget, val, deep_p); | |
591 | #endif | |
592 | #if defined (USE_OLIT) | |
593 | if (lw_olit_widget_p (instance->widget)) | |
594 | xol_update_one_widget (instance, widget, val, deep_p); | |
9331cca8 FP |
595 | #endif |
596 | #if defined (USE_XAW) | |
597 | if (lw_xaw_widget_p (instance->widget)) | |
598 | xaw_update_one_widget (instance, widget, val, deep_p); | |
07bf635f RS |
599 | #endif |
600 | } | |
601 | } | |
602 | ||
603 | static void | |
5f61736f RS |
604 | update_one_widget_instance (instance, deep_p) |
605 | widget_instance* instance; | |
606 | Boolean deep_p; | |
07bf635f RS |
607 | { |
608 | widget_value *val; | |
609 | ||
610 | if (!instance->widget) | |
611 | /* the widget was destroyed */ | |
612 | return; | |
613 | ||
614 | for (val = instance->info->val; val; val = val->next) | |
615 | if (val->change != NO_CHANGE) | |
616 | set_one_value (instance, val, deep_p); | |
617 | } | |
618 | ||
619 | static void | |
5f61736f RS |
620 | update_all_widget_values (info, deep_p) |
621 | widget_info* info; | |
622 | Boolean deep_p; | |
07bf635f RS |
623 | { |
624 | widget_instance* instance; | |
625 | widget_value* val; | |
626 | ||
627 | for (instance = info->instances; instance; instance = instance->next) | |
628 | update_one_widget_instance (instance, deep_p); | |
629 | ||
630 | for (val = info->val; val; val = val->next) | |
631 | val->change = NO_CHANGE; | |
632 | } | |
633 | ||
634 | void | |
5f61736f RS |
635 | lw_modify_all_widgets (id, val, deep_p) |
636 | LWLIB_ID id; | |
637 | widget_value* val; | |
638 | Boolean deep_p; | |
07bf635f RS |
639 | { |
640 | widget_info* info = get_widget_info (id, False); | |
641 | widget_value* new_val; | |
642 | widget_value* next_new_val; | |
643 | widget_value* cur; | |
644 | widget_value* prev; | |
645 | widget_value* next; | |
646 | int found; | |
647 | ||
648 | if (!info) | |
649 | return; | |
650 | ||
651 | for (new_val = val; new_val; new_val = new_val->next) | |
652 | { | |
653 | next_new_val = new_val->next; | |
654 | new_val->next = NULL; | |
655 | found = False; | |
656 | for (prev = NULL, cur = info->val; cur; prev = cur, cur = cur->next) | |
657 | if (!strcmp (cur->name, new_val->name)) | |
658 | { | |
659 | found = True; | |
660 | next = cur->next; | |
661 | cur->next = NULL; | |
662 | cur = merge_widget_value (cur, new_val, deep_p ? 1000 : 1); | |
663 | if (prev) | |
664 | prev->next = cur ? cur : next; | |
665 | else | |
666 | info->val = cur ? cur : next; | |
667 | if (cur) | |
668 | cur->next = next; | |
669 | break; | |
670 | } | |
671 | if (!found) | |
672 | { | |
673 | /* Could not find it, add it */ | |
674 | if (prev) | |
675 | prev->next = copy_widget_value_tree (new_val, STRUCTURAL_CHANGE); | |
676 | else | |
677 | info->val = copy_widget_value_tree (new_val, STRUCTURAL_CHANGE); | |
678 | } | |
679 | new_val->next = next_new_val; | |
680 | } | |
681 | ||
682 | update_all_widget_values (info, deep_p); | |
683 | } | |
684 | ||
685 | \f | |
686 | /* creating the widgets */ | |
687 | ||
688 | static void | |
5f61736f RS |
689 | initialize_widget_instance (instance) |
690 | widget_instance* instance; | |
07bf635f RS |
691 | { |
692 | widget_value* val; | |
693 | ||
694 | for (val = instance->info->val; val; val = val->next) | |
695 | val->change = STRUCTURAL_CHANGE; | |
696 | ||
697 | update_one_widget_instance (instance, True); | |
698 | ||
699 | for (val = instance->info->val; val; val = val->next) | |
700 | val->change = NO_CHANGE; | |
701 | } | |
702 | ||
703 | ||
704 | static widget_creation_function | |
5f61736f RS |
705 | find_in_table (type, table) |
706 | char* type; | |
707 | widget_creation_entry* table; | |
07bf635f RS |
708 | { |
709 | widget_creation_entry* cur; | |
710 | for (cur = table; cur->type; cur++) | |
ed9c1473 | 711 | if (!my_strcasecmp (type, cur->type)) |
07bf635f RS |
712 | return cur->function; |
713 | return NULL; | |
714 | } | |
715 | ||
716 | static Boolean | |
5f61736f RS |
717 | dialog_spec_p (name) |
718 | char* name; | |
07bf635f RS |
719 | { |
720 | /* return True if name matches [EILPQeilpq][1-9][Bb] or | |
721 | [EILPQeilpq][1-9][Bb][Rr][1-9] */ | |
722 | if (!name) | |
723 | return False; | |
724 | ||
725 | switch (name [0]) | |
726 | { | |
727 | case 'E': case 'I': case 'L': case 'P': case 'Q': | |
728 | case 'e': case 'i': case 'l': case 'p': case 'q': | |
729 | if (name [1] >= '0' && name [1] <= '9') | |
730 | { | |
731 | if (name [2] != 'B' && name [2] != 'b') | |
732 | return False; | |
733 | if (!name [3]) | |
734 | return True; | |
735 | if ((name [3] == 'T' || name [3] == 't') && !name [4]) | |
736 | return True; | |
737 | if ((name [3] == 'R' || name [3] == 'r') | |
738 | && name [4] >= '0' && name [4] <= '9' && !name [5]) | |
739 | return True; | |
740 | return False; | |
741 | } | |
742 | else | |
743 | return False; | |
744 | ||
745 | default: | |
746 | return False; | |
747 | } | |
748 | } | |
749 | ||
750 | static void | |
5f61736f RS |
751 | instanciate_widget_instance (instance) |
752 | widget_instance* instance; | |
07bf635f RS |
753 | { |
754 | widget_creation_function function = NULL; | |
755 | ||
756 | #if defined (USE_LUCID) | |
757 | if (!function) | |
758 | function = find_in_table (instance->info->type, xlw_creation_table); | |
759 | #endif | |
760 | #if defined(USE_MOTIF) | |
761 | if (!function) | |
762 | function = find_in_table (instance->info->type, xm_creation_table); | |
763 | #endif | |
764 | #if defined (USE_OLIT) | |
765 | if (!function) | |
766 | function = find_in_table (instance->info->type, xol_creation_table); | |
767 | #endif | |
9331cca8 FP |
768 | #if defined (USE_XAW) |
769 | if (!function) | |
770 | function = find_in_table (instance->info->type, xaw_creation_table); | |
771 | #endif | |
07bf635f RS |
772 | |
773 | if (!function) | |
774 | { | |
775 | if (dialog_spec_p (instance->info->type)) | |
776 | { | |
777 | #if defined (USE_LUCID) | |
778 | /* not yet */ | |
779 | #endif | |
780 | #if defined(USE_MOTIF) | |
781 | if (!function) | |
782 | function = xm_create_dialog; | |
783 | #endif | |
9331cca8 FP |
784 | #if defined (USE_XAW) |
785 | if (!function) | |
786 | function = xaw_create_dialog; | |
787 | #endif | |
07bf635f RS |
788 | #if defined (USE_OLIT) |
789 | /* not yet */ | |
790 | #endif | |
791 | } | |
792 | } | |
793 | ||
794 | if (!function) | |
795 | { | |
796 | printf ("No creation function for widget type %s\n", | |
797 | instance->info->type); | |
798 | abort (); | |
799 | } | |
800 | ||
801 | instance->widget = (*function) (instance); | |
802 | ||
803 | if (!instance->widget) | |
804 | abort (); | |
805 | ||
806 | /* XtRealizeWidget (instance->widget);*/ | |
807 | } | |
808 | ||
809 | void | |
5f61736f RS |
810 | lw_register_widget (type, name, id, val, pre_activate_cb, selection_cb, post_activate_cb) |
811 | char* type; | |
812 | char* name; | |
813 | LWLIB_ID id; | |
814 | widget_value* val; | |
815 | lw_callback pre_activate_cb; | |
816 | lw_callback selection_cb; | |
817 | lw_callback post_activate_cb; | |
07bf635f RS |
818 | { |
819 | if (!get_widget_info (id, False)) | |
820 | allocate_widget_info (type, name, id, val, pre_activate_cb, selection_cb, | |
821 | post_activate_cb); | |
822 | } | |
823 | ||
824 | Widget | |
5f61736f RS |
825 | lw_get_widget (id, parent, pop_up_p) |
826 | LWLIB_ID id; | |
827 | Widget parent; | |
828 | Boolean pop_up_p; | |
07bf635f RS |
829 | { |
830 | widget_instance* instance; | |
831 | ||
832 | instance = find_instance (id, parent, pop_up_p); | |
833 | return instance ? instance->widget : NULL; | |
834 | } | |
835 | ||
836 | Widget | |
5f61736f RS |
837 | lw_make_widget (id, parent, pop_up_p) |
838 | LWLIB_ID id; | |
839 | Widget parent; | |
840 | Boolean pop_up_p; | |
07bf635f RS |
841 | { |
842 | widget_instance* instance; | |
843 | widget_info* info; | |
844 | ||
845 | instance = find_instance (id, parent, pop_up_p); | |
846 | if (!instance) | |
847 | { | |
848 | info = get_widget_info (id, False); | |
849 | if (!info) | |
850 | return NULL; | |
851 | instance = allocate_widget_instance (info, parent, pop_up_p); | |
852 | initialize_widget_instance (instance); | |
853 | } | |
854 | if (!instance->widget) | |
855 | abort (); | |
856 | return instance->widget; | |
857 | } | |
858 | ||
859 | Widget | |
5f61736f RS |
860 | lw_create_widget (type, name, id, val, parent, pop_up_p, pre_activate_cb, selection_cb, post_activate_cb) |
861 | char* type; | |
862 | char* name; | |
863 | LWLIB_ID id; | |
864 | widget_value* val; | |
865 | Widget parent; | |
866 | Boolean pop_up_p; | |
867 | lw_callback pre_activate_cb; | |
868 | lw_callback selection_cb; | |
869 | lw_callback post_activate_cb; | |
07bf635f RS |
870 | { |
871 | lw_register_widget (type, name, id, val, pre_activate_cb, selection_cb, | |
872 | post_activate_cb); | |
873 | return lw_make_widget (id, parent, pop_up_p); | |
874 | } | |
875 | ||
876 | \f | |
877 | /* destroying the widgets */ | |
878 | static void | |
5f61736f RS |
879 | destroy_one_instance (instance) |
880 | widget_instance* instance; | |
07bf635f RS |
881 | { |
882 | /* Remove the destroy callback on the widget; that callback will try to | |
883 | dereference the instance object (to set its widget slot to 0, since the | |
884 | widget is dead.) Since the instance is now dead, we don't have to worry | |
885 | about the fact that its widget is dead too. | |
886 | ||
887 | This happens in the Phase2Destroy of the widget, so this callback would | |
888 | not have been run until arbitrarily long after the instance was freed. | |
889 | */ | |
890 | if (instance->widget) | |
891 | XtRemoveCallback (instance->widget, XtNdestroyCallback, | |
892 | mark_widget_destroyed, (XtPointer)instance); | |
893 | ||
894 | if (instance->widget) | |
895 | { | |
896 | /* The else are pretty tricky here, including the empty statement | |
897 | at the end because it would be very bad to destroy a widget | |
898 | twice. */ | |
899 | #if defined (USE_LUCID) | |
900 | if (lw_lucid_widget_p (instance->widget)) | |
901 | xlw_destroy_instance (instance); | |
902 | else | |
903 | #endif | |
904 | #if defined (USE_MOTIF) | |
905 | if (lw_motif_widget_p (instance->widget)) | |
906 | xm_destroy_instance (instance); | |
907 | else | |
908 | #endif | |
909 | #if defined (USE_OLIT) | |
910 | if (lw_olit_widget_p (instance->widget)) | |
911 | xol_destroy_instance (instance); | |
912 | else | |
9331cca8 FP |
913 | #endif |
914 | #if defined (USE_XAW) | |
915 | if (lw_xaw_widget_p (instance->widget)) | |
916 | xaw_destroy_instance (instance); | |
917 | else | |
07bf635f RS |
918 | #endif |
919 | /* do not remove the empty statement */ | |
920 | ; | |
921 | } | |
922 | ||
923 | free_widget_instance (instance); | |
924 | } | |
925 | ||
926 | void | |
5f61736f RS |
927 | lw_destroy_widget (w) |
928 | Widget w; | |
07bf635f RS |
929 | { |
930 | widget_instance* instance = get_widget_instance (w, True); | |
931 | ||
932 | if (instance) | |
933 | { | |
934 | widget_info *info = instance->info; | |
935 | /* instance has already been removed from the list; free it */ | |
936 | destroy_one_instance (instance); | |
937 | /* if there are no instances left, free the info too */ | |
938 | if (!info->instances) | |
939 | lw_destroy_all_widgets (info->id); | |
940 | } | |
941 | } | |
942 | ||
943 | void | |
5f61736f RS |
944 | lw_destroy_all_widgets (id) |
945 | LWLIB_ID id; | |
07bf635f RS |
946 | { |
947 | widget_info* info = get_widget_info (id, True); | |
948 | widget_instance* instance; | |
949 | widget_instance* next; | |
950 | ||
951 | if (info) | |
952 | { | |
953 | for (instance = info->instances; instance; ) | |
954 | { | |
955 | next = instance->next; | |
956 | destroy_one_instance (instance); | |
957 | instance = next; | |
958 | } | |
959 | free_widget_info (info); | |
960 | } | |
961 | } | |
962 | ||
963 | void | |
964 | lw_destroy_everything () | |
965 | { | |
966 | while (all_widget_info) | |
967 | lw_destroy_all_widgets (all_widget_info->id); | |
968 | } | |
969 | ||
970 | void | |
971 | lw_destroy_all_pop_ups () | |
972 | { | |
973 | widget_info* info; | |
974 | widget_info* next; | |
975 | widget_instance* instance; | |
976 | ||
977 | for (info = all_widget_info; info; info = next) | |
978 | { | |
979 | next = info->next; | |
980 | instance = info->instances; | |
981 | if (instance && instance->pop_up_p) | |
982 | lw_destroy_all_widgets (info->id); | |
983 | } | |
984 | } | |
985 | ||
986 | #ifdef USE_MOTIF | |
987 | extern Widget first_child (Widget); /* garbage */ | |
988 | #endif | |
989 | ||
990 | Widget | |
991 | lw_raise_all_pop_up_widgets () | |
992 | { | |
993 | widget_info* info; | |
994 | widget_instance* instance; | |
995 | Widget result = NULL; | |
996 | ||
997 | for (info = all_widget_info; info; info = info->next) | |
998 | for (instance = info->instances; instance; instance = instance->next) | |
999 | if (instance->pop_up_p) | |
1000 | { | |
1001 | Widget widget = instance->widget; | |
1002 | if (widget) | |
1003 | { | |
1004 | if (XtIsManaged (widget) | |
1005 | #ifdef USE_MOTIF | |
1006 | /* What a complete load of crap!!!! | |
1007 | When a dialogShell is on the screen, it is not managed! | |
1008 | */ | |
1009 | || (lw_motif_widget_p (instance->widget) && | |
1010 | XtIsManaged (first_child (widget))) | |
1011 | #endif | |
1012 | ) | |
1013 | { | |
1014 | if (!result) | |
1015 | result = widget; | |
1016 | XMapRaised (XtDisplay (widget), XtWindow (widget)); | |
1017 | } | |
1018 | } | |
1019 | } | |
1020 | return result; | |
1021 | } | |
1022 | ||
1023 | static void | |
5f61736f RS |
1024 | lw_pop_all_widgets (id, up) |
1025 | LWLIB_ID id; | |
1026 | Boolean up; | |
07bf635f RS |
1027 | { |
1028 | widget_info* info = get_widget_info (id, False); | |
1029 | widget_instance* instance; | |
1030 | ||
1031 | if (info) | |
1032 | for (instance = info->instances; instance; instance = instance->next) | |
1033 | if (instance->pop_up_p && instance->widget) | |
1034 | { | |
07bf635f RS |
1035 | #if defined (USE_LUCID) |
1036 | if (lw_lucid_widget_p (instance->widget)) | |
9331cca8 FP |
1037 | { |
1038 | XtRealizeWidget (instance->widget); | |
1039 | xlw_pop_instance (instance, up); | |
1040 | } | |
07bf635f RS |
1041 | #endif |
1042 | #if defined (USE_MOTIF) | |
1043 | if (lw_motif_widget_p (instance->widget)) | |
9331cca8 FP |
1044 | { |
1045 | XtRealizeWidget (instance->widget); | |
1046 | xm_pop_instance (instance, up); | |
1047 | } | |
07bf635f RS |
1048 | #endif |
1049 | #if defined (USE_OLIT) | |
1050 | if (lw_olit_widget_p (instance->widget)) | |
9331cca8 FP |
1051 | { |
1052 | XtRealizeWidget (instance->widget); | |
1053 | xol_pop_instance (instance, up); | |
1054 | } | |
1055 | #endif | |
1056 | #if defined (USE_XAW) | |
1057 | if (lw_xaw_widget_p (instance->widget)) | |
1058 | { | |
1059 | XtRealizeWidget (XtParent (instance->widget)); | |
1060 | XtRealizeWidget (instance->widget); | |
1061 | xaw_pop_instance (instance, up); | |
1062 | } | |
07bf635f RS |
1063 | #endif |
1064 | } | |
1065 | } | |
1066 | ||
1067 | void | |
5f61736f RS |
1068 | lw_pop_up_all_widgets (id) |
1069 | LWLIB_ID id; | |
07bf635f RS |
1070 | { |
1071 | lw_pop_all_widgets (id, True); | |
1072 | } | |
1073 | ||
1074 | void | |
5f61736f RS |
1075 | lw_pop_down_all_widgets (id) |
1076 | LWLIB_ID id; | |
07bf635f RS |
1077 | { |
1078 | lw_pop_all_widgets (id, False); | |
1079 | } | |
1080 | ||
1081 | void | |
5f61736f RS |
1082 | lw_popup_menu (widget) |
1083 | Widget widget; | |
07bf635f RS |
1084 | { |
1085 | #if defined (USE_LUCID) | |
1086 | if (lw_lucid_widget_p (widget)) | |
1087 | xlw_popup_menu (widget); | |
1088 | #endif | |
1089 | #if defined (USE_MOTIF) | |
1090 | if (lw_motif_widget_p (widget)) | |
1091 | xm_popup_menu (widget); | |
1092 | #endif | |
1093 | #if defined (USE_OLIT) | |
1094 | if (lw_olit_widget_p (widget)) | |
1095 | xol_popup_menu (widget); | |
1096 | #endif | |
9331cca8 FP |
1097 | #if defined (USE_XAW) |
1098 | if (lw_xaw_widget_p (widget)) | |
1099 | xaw_popup_menu (widget); | |
1100 | #endif | |
07bf635f RS |
1101 | } |
1102 | ||
1103 | \f/* get the values back */ | |
1104 | static Boolean | |
5f61736f RS |
1105 | get_one_value (instance, val) |
1106 | widget_instance* instance; | |
1107 | widget_value* val; | |
07bf635f RS |
1108 | { |
1109 | Widget widget = name_to_widget (instance, val->name); | |
1110 | ||
1111 | if (widget) | |
1112 | { | |
1113 | #if defined (USE_LUCID) | |
1114 | if (lw_lucid_widget_p (instance->widget)) | |
1115 | xlw_update_one_value (instance, widget, val); | |
1116 | #endif | |
1117 | #if defined (USE_MOTIF) | |
1118 | if (lw_motif_widget_p (instance->widget)) | |
1119 | xm_update_one_value (instance, widget, val); | |
1120 | #endif | |
1121 | #if defined (USE_OLIT) | |
1122 | if (lw_olit_widget_p (instance->widget)) | |
1123 | xol_update_one_value (instance, widget, val); | |
9331cca8 FP |
1124 | #endif |
1125 | #if defined (USE_XAW) | |
1126 | if (lw_xaw_widget_p (instance->widget)) | |
1127 | xaw_update_one_value (instance, widget, val); | |
07bf635f RS |
1128 | #endif |
1129 | return True; | |
1130 | } | |
1131 | else | |
1132 | return False; | |
1133 | } | |
1134 | ||
1135 | Boolean | |
5f61736f RS |
1136 | lw_get_some_values (id, val_out) |
1137 | LWLIB_ID id; | |
1138 | widget_value* val_out; | |
07bf635f RS |
1139 | { |
1140 | widget_info* info = get_widget_info (id, False); | |
1141 | widget_instance* instance; | |
1142 | widget_value* val; | |
1143 | Boolean result = False; | |
1144 | ||
1145 | if (!info) | |
1146 | return False; | |
1147 | ||
1148 | instance = info->instances; | |
1149 | if (!instance) | |
1150 | return False; | |
1151 | ||
1152 | for (val = val_out; val; val = val->next) | |
1153 | if (get_one_value (instance, val)) | |
1154 | result = True; | |
1155 | ||
1156 | return result; | |
1157 | } | |
1158 | ||
1159 | widget_value* | |
5f61736f RS |
1160 | lw_get_all_values (id) |
1161 | LWLIB_ID id; | |
07bf635f RS |
1162 | { |
1163 | widget_info* info = get_widget_info (id, False); | |
1164 | widget_value* val = info->val; | |
1165 | if (lw_get_some_values (id, val)) | |
1166 | return val; | |
1167 | else | |
1168 | return NULL; | |
1169 | } | |
1170 | ||
1171 | /* internal function used by the library dependent implementation to get the | |
1172 | widget_value for a given widget in an instance */ | |
1173 | widget_value* | |
5f61736f RS |
1174 | lw_get_widget_value_for_widget (instance, w) |
1175 | widget_instance* instance; | |
1176 | Widget w; | |
07bf635f RS |
1177 | { |
1178 | char* name = XtName (w); | |
1179 | widget_value* cur; | |
1180 | for (cur = instance->info->val; cur; cur = cur->next) | |
1181 | if (!strcmp (cur->name, name)) | |
1182 | return cur; | |
1183 | return NULL; | |
1184 | } | |
1185 | ||
1186 | \f/* update other instances value when one thing changed */ | |
1187 | /* This function can be used as a an XtCallback for the widgets that get | |
1188 | modified to update other instances of the widgets. Closure should be the | |
1189 | widget_instance. */ | |
1190 | void | |
5f61736f RS |
1191 | lw_internal_update_other_instances (widget, closure, call_data) |
1192 | Widget widget; | |
1193 | XtPointer closure; | |
1194 | XtPointer call_data; | |
07bf635f RS |
1195 | { |
1196 | /* To forbid recursive calls */ | |
1197 | static Boolean updating; | |
1198 | ||
1199 | widget_instance* instance = (widget_instance*)closure; | |
1200 | char* name = XtName (widget); | |
1201 | widget_info* info; | |
1202 | widget_instance* cur; | |
1203 | widget_value* val; | |
1204 | ||
1205 | /* never recurse as this could cause infinite recursions. */ | |
1206 | if (updating) | |
1207 | return; | |
1208 | ||
1209 | /* protect against the widget being destroyed */ | |
1210 | if (XtWidgetBeingDestroyedP (widget)) | |
1211 | return; | |
1212 | ||
1213 | /* Return immediately if there are no other instances */ | |
1214 | info = instance->info; | |
1215 | if (!info->instances->next) | |
1216 | return; | |
1217 | ||
1218 | updating = True; | |
1219 | ||
1220 | for (val = info->val; val && strcmp (val->name, name); val = val->next); | |
1221 | ||
1222 | if (val && get_one_value (instance, val)) | |
1223 | for (cur = info->instances; cur; cur = cur->next) | |
1224 | if (cur != instance) | |
1225 | set_one_value (cur, val, True); | |
1226 | ||
1227 | updating = False; | |
1228 | } | |
1229 | ||
1230 | ||
1231 | \f/* get the id */ | |
1232 | ||
1233 | LWLIB_ID | |
5f61736f RS |
1234 | lw_get_widget_id (w) |
1235 | Widget w; | |
07bf635f RS |
1236 | { |
1237 | widget_instance* instance = get_widget_instance (w, False); | |
1238 | ||
1239 | return instance ? instance->info->id : 0; | |
1240 | } | |
1241 | ||
1242 | \f/* set the keyboard focus */ | |
1243 | void | |
5f61736f RS |
1244 | lw_set_keyboard_focus (parent, w) |
1245 | Widget parent; | |
1246 | Widget w; | |
07bf635f RS |
1247 | { |
1248 | #if defined (USE_MOTIF) | |
1249 | xm_set_keyboard_focus (parent, w); | |
1250 | #else | |
1251 | XtSetKeyboardFocus (parent, w); | |
1252 | #endif | |
1253 | } | |
1254 | ||
1255 | \f/* Show busy */ | |
1256 | static void | |
5f61736f RS |
1257 | show_one_widget_busy (w, flag) |
1258 | Widget w; | |
1259 | Boolean flag; | |
07bf635f RS |
1260 | { |
1261 | Pixel foreground = 0; | |
1262 | Pixel background = 1; | |
1263 | Widget widget_to_invert = XtNameToWidget (w, "*sheet"); | |
1264 | if (!widget_to_invert) | |
1265 | widget_to_invert = w; | |
1266 | ||
1267 | XtVaGetValues (widget_to_invert, | |
1268 | XtNforeground, &foreground, | |
1269 | XtNbackground, &background, | |
1270 | 0); | |
1271 | XtVaSetValues (widget_to_invert, | |
1272 | XtNforeground, background, | |
1273 | XtNbackground, foreground, | |
1274 | 0); | |
1275 | } | |
1276 | ||
1277 | void | |
5f61736f RS |
1278 | lw_show_busy (w, busy) |
1279 | Widget w; | |
1280 | Boolean busy; | |
07bf635f RS |
1281 | { |
1282 | widget_instance* instance = get_widget_instance (w, False); | |
1283 | widget_info* info; | |
1284 | widget_instance* next; | |
1285 | ||
1286 | if (instance) | |
1287 | { | |
1288 | info = instance->info; | |
1289 | if (info->busy != busy) | |
1290 | { | |
1291 | for (next = info->instances; next; next = next->next) | |
1292 | if (next->widget) | |
1293 | show_one_widget_busy (next->widget, busy); | |
1294 | info->busy = busy; | |
1295 | } | |
1296 | } | |
1297 | } | |
2af91681 PR |
1298 | |
1299 | /* This hack exists because Lucid/Athena need to execute the strange | |
1300 | function below to support geometry management. */ | |
1301 | void | |
1302 | lw_refigure_widget (w, doit) | |
1303 | Widget w; | |
1304 | Boolean doit; | |
1305 | { | |
1306 | #if defined (XAW) | |
1307 | XawPanedSetRefigureMode (w, doit); | |
1308 | #endif | |
1309 | #if defined (USE_MOTIF) | |
1310 | if (doit) | |
1311 | XtUnmanageChild (w); | |
1312 | else | |
1313 | XtManageChild (w); | |
1314 | #endif | |
1315 | } | |
1316 | ||
1317 | /* Toolkit independent way of determining if an event window is in the | |
1318 | menubar. */ | |
1319 | Boolean | |
1320 | lw_window_is_in_menubar (win, menubar_widget) | |
1321 | Window win; | |
1322 | Widget menubar_widget; | |
1323 | { | |
1324 | return menubar_widget | |
1325 | #if defined (USE_LUCID) | |
1326 | && XtWindow (menubar_widget) == win; | |
1327 | #endif | |
1328 | #if defined (USE_MOTIF) | |
1329 | && XtWindowToWidget (XtDisplay (menubar_widget), win) | |
1330 | && (XtParent (XtWindowToWidget (XtDisplay (menubar_widget), win)) | |
1331 | == menubar_widget); | |
1332 | #endif | |
1333 | } | |
1334 | ||
1335 | /* Motif hack to set the main window areas. */ | |
1336 | void | |
1337 | lw_set_main_areas (parent, menubar, work_area) | |
1338 | Widget parent; | |
1339 | Widget menubar; | |
1340 | Widget work_area; | |
1341 | { | |
1342 | #if defined (USE_MOTIF) | |
6618806e | 1343 | xm_set_main_areas (parent, menubar, work_area); |
2af91681 PR |
1344 | #endif |
1345 | } | |
1346 | ||
1347 | /* Manage resizing for Motif. This disables resizing when the menubar | |
1348 | is about to be modified. */ | |
1349 | void | |
1350 | lw_allow_resizing (w, flag) | |
1351 | Widget w; | |
1352 | Boolean flag; | |
1353 | { | |
1354 | #if defined (USE_MOTIF) | |
1355 | if (flag) | |
1356 | { | |
1357 | /* Enable the edit widget for resizing. */ | |
1358 | Arg al[1]; | |
1359 | ||
1360 | XtSetArg (al[0], XtNallowShellResize, 0); | |
1361 | XtSetValues (w, al, 1); | |
1362 | } | |
1363 | else | |
1364 | { | |
1365 | /* Disable the edit widget from resizing. */ | |
1366 | Arg al[1]; | |
1367 | ||
1368 | XtSetArg (al[0], XtNallowShellResize, 0); | |
1369 | XtSetValues (w, al, 1); | |
1370 | } | |
1371 | #endif | |
1372 | } |