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 | |
c7d71315 RS |
31 | #ifdef __osf__ |
32 | #include <string.h> | |
33 | #include <stdlib.h> | |
34 | extern long *xmalloc(); | |
35 | #endif | |
36 | ||
07bf635f RS |
37 | #if defined (USE_LUCID) |
38 | #include "lwlib-Xlw.h" | |
39 | #endif | |
40 | #if defined (USE_MOTIF) | |
41 | #include "lwlib-Xm.h" | |
ce5a08a1 FP |
42 | #else /* not USE_MOTIF */ |
43 | #if defined (USE_LUCID) | |
44 | #define USE_XAW | |
45 | #endif /* not USE_MOTIF && USE_LUCID */ | |
07bf635f RS |
46 | #endif |
47 | #if defined (USE_OLIT) | |
48 | #include "lwlib-Xol.h" | |
49 | #endif | |
9331cca8 FP |
50 | #if defined (USE_XAW) |
51 | #include "lwlib-Xaw.h" | |
52 | #endif | |
07bf635f RS |
53 | |
54 | #if !defined (USE_LUCID) && !defined (USE_MOTIF) && !defined (USE_OLIT) | |
55 | ERROR! At least one of USE_LUCID, USE_MOTIF or USE_OLIT must be defined. | |
56 | #endif | |
57 | ||
58 | #if defined (USE_MOTIF) && defined (USE_OLIT) | |
59 | ERROR! no more than one of USE_MOTIF and USE_OLIT may be defined. | |
60 | #endif | |
61 | ||
2af91681 PR |
62 | #ifndef max |
63 | #define max(x, y) ((x) > (y) ? (x) : (y)) | |
64 | #endif | |
65 | ||
07bf635f RS |
66 | /* List of all widgets managed by the library. */ |
67 | static widget_info* | |
68 | all_widget_info = NULL; | |
69 | ||
99dcca2f KH |
70 | #ifdef USE_MOTIF |
71 | char *lwlib_toolkit_type = "motif"; | |
72 | #else | |
73 | char *lwlib_toolkit_type = "lucid"; | |
74 | #endif | |
07bf635f RS |
75 | \f/* Forward declarations */ |
76 | static void | |
5f61736f | 77 | instanciate_widget_instance (/* widget_instance* instance */); |
07bf635f | 78 | |
f60044f5 RS |
79 | lwlib_memset (address, value, length) |
80 | char *address; | |
81 | int value; | |
82 | int length; | |
83 | { | |
84 | int i; | |
85 | ||
86 | for (i = 0; i < length; i++) | |
87 | address[i] = value; | |
88 | } | |
89 | ||
90 | lwlib_bcopy (from, to, length) | |
91 | char *from; | |
92 | char *to; | |
93 | int length; | |
94 | { | |
95 | int i; | |
96 | ||
97 | for (i = 0; i < length; i++) | |
98 | to[i] = from[i]; | |
99 | } | |
07bf635f | 100 | \f/* utility functions for widget_instance and widget_info */ |
bb2ee72b | 101 | char * |
5f61736f RS |
102 | safe_strdup (s) |
103 | char *s; | |
07bf635f RS |
104 | { |
105 | char *result; | |
106 | if (! s) return 0; | |
107 | result = (char *) malloc (strlen (s) + 1); | |
108 | if (! result) | |
109 | return 0; | |
110 | strcpy (result, s); | |
111 | return result; | |
112 | } | |
113 | ||
5f61736f RS |
114 | /* Like strcmp but ignore differences in case. */ |
115 | ||
116 | static int | |
ed9c1473 | 117 | my_strcasecmp (s1, s2) |
5f61736f RS |
118 | char *s1, *s2; |
119 | { | |
120 | while (1) | |
121 | { | |
122 | int c1 = *s1++; | |
123 | int c2 = *s2++; | |
124 | if (isupper (c1)) | |
125 | c1 = tolower (c1); | |
126 | if (isupper (c2)) | |
127 | c2 = tolower (c2); | |
128 | if (c1 != c2) | |
129 | return (c1 > c2 ? 1 : -1); | |
130 | if (c1 == 0) | |
131 | return 0; | |
132 | } | |
133 | } | |
134 | ||
07bf635f | 135 | static void |
5f61736f RS |
136 | safe_free_str (s) |
137 | char *s; | |
07bf635f RS |
138 | { |
139 | if (s) free (s); | |
140 | } | |
141 | ||
142 | static widget_value *widget_value_free_list = 0; | |
0b96f00b | 143 | static int malloc_cpt = 0; |
07bf635f RS |
144 | |
145 | widget_value * | |
146 | malloc_widget_value () | |
147 | { | |
148 | widget_value *wv; | |
149 | if (widget_value_free_list) | |
150 | { | |
151 | wv = widget_value_free_list; | |
152 | widget_value_free_list = wv->free_list; | |
153 | wv->free_list = 0; | |
154 | } | |
155 | else | |
156 | { | |
157 | wv = (widget_value *) malloc (sizeof (widget_value)); | |
0b96f00b | 158 | malloc_cpt++; |
07bf635f | 159 | } |
f60044f5 | 160 | lwlib_memset (wv, 0, sizeof (widget_value)); |
07bf635f RS |
161 | return wv; |
162 | } | |
163 | ||
164 | /* this is analagous to free(). It frees only what was allocated | |
165 | by malloc_widget_value(), and no substructures. | |
166 | */ | |
167 | void | |
168 | free_widget_value (wv) | |
169 | widget_value *wv; | |
170 | { | |
171 | if (wv->free_list) | |
172 | abort (); | |
0b96f00b | 173 | |
d2a5919f | 174 | if (malloc_cpt > 25) |
0b96f00b FP |
175 | { |
176 | /* When the number of already allocated cells is too big, | |
177 | We free it. */ | |
0b96f00b | 178 | free (wv); |
d2a5919f | 179 | malloc_cpt--; |
0b96f00b FP |
180 | } |
181 | else | |
182 | { | |
183 | wv->free_list = widget_value_free_list; | |
184 | widget_value_free_list = wv; | |
185 | } | |
07bf635f RS |
186 | } |
187 | ||
188 | static void | |
5f61736f RS |
189 | free_widget_value_tree (wv) |
190 | widget_value *wv; | |
07bf635f RS |
191 | { |
192 | if (!wv) | |
193 | return; | |
194 | ||
195 | if (wv->name) free (wv->name); | |
196 | if (wv->value) free (wv->value); | |
197 | if (wv->key) free (wv->key); | |
198 | ||
199 | wv->name = wv->value = wv->key = (char *) 0xDEADBEEF; | |
200 | ||
201 | if (wv->toolkit_data && wv->free_toolkit_data) | |
202 | { | |
203 | free (wv->toolkit_data); | |
204 | wv->toolkit_data = (void *) 0xDEADBEEF; | |
205 | } | |
206 | ||
207 | if (wv->contents && (wv->contents != (widget_value*)1)) | |
208 | { | |
209 | free_widget_value_tree (wv->contents); | |
210 | wv->contents = (widget_value *) 0xDEADBEEF; | |
211 | } | |
212 | if (wv->next) | |
213 | { | |
214 | free_widget_value_tree (wv->next); | |
215 | wv->next = (widget_value *) 0xDEADBEEF; | |
216 | } | |
217 | free_widget_value (wv); | |
218 | } | |
219 | ||
220 | static widget_value * | |
5f61736f RS |
221 | copy_widget_value_tree (val, change) |
222 | widget_value* val; | |
223 | change_type change; | |
07bf635f RS |
224 | { |
225 | widget_value* copy; | |
226 | ||
227 | if (!val) | |
228 | return NULL; | |
229 | if (val == (widget_value *) 1) | |
230 | return val; | |
231 | ||
232 | copy = malloc_widget_value (); | |
233 | copy->name = safe_strdup (val->name); | |
234 | copy->value = safe_strdup (val->value); | |
235 | copy->key = safe_strdup (val->key); | |
236 | copy->enabled = val->enabled; | |
237 | copy->selected = val->selected; | |
238 | copy->edited = False; | |
239 | copy->change = change; | |
240 | copy->contents = copy_widget_value_tree (val->contents, change); | |
241 | copy->call_data = val->call_data; | |
242 | copy->next = copy_widget_value_tree (val->next, change); | |
243 | copy->toolkit_data = NULL; | |
244 | copy->free_toolkit_data = False; | |
245 | return copy; | |
246 | } | |
247 | ||
248 | static widget_info * | |
5f61736f RS |
249 | allocate_widget_info (type, name, id, val, pre_activate_cb, selection_cb, post_activate_cb) |
250 | char* type; | |
251 | char* name; | |
252 | LWLIB_ID id; | |
253 | widget_value* val; | |
254 | lw_callback pre_activate_cb; | |
255 | lw_callback selection_cb; | |
256 | lw_callback post_activate_cb; | |
07bf635f RS |
257 | { |
258 | widget_info* info = (widget_info*)malloc (sizeof (widget_info)); | |
259 | info->type = safe_strdup (type); | |
260 | info->name = safe_strdup (name); | |
261 | info->id = id; | |
262 | info->val = copy_widget_value_tree (val, STRUCTURAL_CHANGE); | |
263 | info->busy = False; | |
264 | info->pre_activate_cb = pre_activate_cb; | |
265 | info->selection_cb = selection_cb; | |
266 | info->post_activate_cb = post_activate_cb; | |
267 | info->instances = NULL; | |
268 | ||
269 | info->next = all_widget_info; | |
270 | all_widget_info = info; | |
271 | ||
272 | return info; | |
273 | } | |
274 | ||
275 | static void | |
5f61736f RS |
276 | free_widget_info (info) |
277 | widget_info* info; | |
07bf635f RS |
278 | { |
279 | safe_free_str (info->type); | |
280 | safe_free_str (info->name); | |
281 | free_widget_value_tree (info->val); | |
f60044f5 | 282 | lwlib_memset ((void*)info, 0xDEADBEEF, sizeof (widget_info)); |
07bf635f RS |
283 | free (info); |
284 | } | |
285 | ||
286 | static void | |
5f61736f RS |
287 | mark_widget_destroyed (widget, closure, call_data) |
288 | Widget widget; | |
289 | XtPointer closure; | |
290 | XtPointer call_data; | |
07bf635f RS |
291 | { |
292 | widget_instance* instance = (widget_instance*)closure; | |
293 | ||
294 | /* be very conservative */ | |
295 | if (instance->widget == widget) | |
296 | instance->widget = NULL; | |
297 | } | |
298 | ||
299 | static widget_instance * | |
5f61736f RS |
300 | allocate_widget_instance (info, parent, pop_up_p) |
301 | widget_info* info; | |
302 | Widget parent; | |
303 | Boolean pop_up_p; | |
07bf635f RS |
304 | { |
305 | widget_instance* instance = | |
306 | (widget_instance*)malloc (sizeof (widget_instance)); | |
307 | instance->parent = parent; | |
308 | instance->pop_up_p = pop_up_p; | |
309 | instance->info = info; | |
310 | instance->next = info->instances; | |
311 | info->instances = instance; | |
312 | ||
313 | instanciate_widget_instance (instance); | |
314 | ||
315 | XtAddCallback (instance->widget, XtNdestroyCallback, | |
316 | mark_widget_destroyed, (XtPointer)instance); | |
317 | return instance; | |
318 | } | |
319 | ||
320 | static void | |
5f61736f RS |
321 | free_widget_instance (instance) |
322 | widget_instance* instance; | |
07bf635f | 323 | { |
f60044f5 | 324 | lwlib_memset ((void*)instance, 0xDEADBEEF, sizeof (widget_instance)); |
07bf635f RS |
325 | free (instance); |
326 | } | |
327 | ||
328 | static widget_info * | |
5f61736f RS |
329 | get_widget_info (id, remove_p) |
330 | LWLIB_ID id; | |
331 | Boolean remove_p; | |
07bf635f RS |
332 | { |
333 | widget_info* info; | |
334 | widget_info* prev; | |
335 | for (prev = NULL, info = all_widget_info; | |
336 | info; | |
337 | prev = info, info = info->next) | |
338 | if (info->id == id) | |
339 | { | |
340 | if (remove_p) | |
341 | { | |
342 | if (prev) | |
343 | prev->next = info->next; | |
344 | else | |
345 | all_widget_info = info->next; | |
346 | } | |
347 | return info; | |
348 | } | |
349 | return NULL; | |
350 | } | |
351 | ||
9331cca8 FP |
352 | /* Internal function used by the library dependent implementation to get the |
353 | widget_value for a given widget in an instance */ | |
354 | widget_info * | |
e14e13a4 FP |
355 | lw_get_widget_info (id) |
356 | LWLIB_ID id; | |
9331cca8 FP |
357 | { |
358 | return get_widget_info (id, 0); | |
359 | } | |
360 | ||
07bf635f | 361 | static widget_instance * |
5f61736f RS |
362 | get_widget_instance (widget, remove_p) |
363 | Widget widget; | |
364 | Boolean remove_p; | |
07bf635f RS |
365 | { |
366 | widget_info* info; | |
367 | widget_instance* instance; | |
368 | widget_instance* prev; | |
369 | for (info = all_widget_info; info; info = info->next) | |
370 | for (prev = NULL, instance = info->instances; | |
371 | instance; | |
372 | prev = instance, instance = instance->next) | |
373 | if (instance->widget == widget) | |
374 | { | |
375 | if (remove_p) | |
376 | { | |
377 | if (prev) | |
378 | prev->next = instance->next; | |
379 | else | |
380 | info->instances = instance->next; | |
381 | } | |
382 | return instance; | |
383 | } | |
384 | return (widget_instance *) 0; | |
385 | } | |
386 | ||
387 | static widget_instance* | |
5f61736f RS |
388 | find_instance (id, parent, pop_up_p) |
389 | LWLIB_ID id; | |
390 | Widget parent; | |
391 | Boolean pop_up_p; | |
07bf635f RS |
392 | { |
393 | widget_info* info = get_widget_info (id, False); | |
394 | widget_instance* instance; | |
395 | ||
396 | if (info) | |
397 | for (instance = info->instances; instance; instance = instance->next) | |
398 | if (instance->parent == parent && instance->pop_up_p == pop_up_p) | |
399 | return instance; | |
400 | ||
401 | return NULL; | |
402 | } | |
403 | ||
404 | \f | |
405 | /* utility function for widget_value */ | |
406 | static Boolean | |
5f61736f RS |
407 | safe_strcmp (s1, s2) |
408 | char* s1; | |
409 | char* s2; | |
07bf635f RS |
410 | { |
411 | if (!!s1 ^ !!s2) return True; | |
412 | return (s1 && s2) ? strcmp (s1, s2) : s1 ? False : !!s2; | |
413 | } | |
414 | ||
07bf635f RS |
415 | |
416 | #if 0 | |
417 | # define EXPLAIN(name, oc, nc, desc, a1, a2) \ | |
418 | printf ("Change: \"%s\"\tmax(%s=%d,%s=%d)\t%s %d %d\n", \ | |
419 | name, \ | |
420 | (oc == NO_CHANGE ? "none" : \ | |
421 | (oc == INVISIBLE_CHANGE ? "invisible" : \ | |
422 | (oc == VISIBLE_CHANGE ? "visible" : \ | |
423 | (oc == STRUCTURAL_CHANGE ? "structural" : "???")))), \ | |
424 | oc, \ | |
425 | (nc == NO_CHANGE ? "none" : \ | |
426 | (nc == INVISIBLE_CHANGE ? "invisible" : \ | |
427 | (nc == VISIBLE_CHANGE ? "visible" : \ | |
428 | (nc == STRUCTURAL_CHANGE ? "structural" : "???")))), \ | |
429 | nc, desc, a1, a2) | |
430 | #else | |
431 | # define EXPLAIN(name, oc, nc, desc, a1, a2) | |
432 | #endif | |
433 | ||
434 | ||
435 | static widget_value * | |
5f61736f RS |
436 | merge_widget_value (val1, val2, level) |
437 | widget_value* val1; | |
438 | widget_value* val2; | |
439 | int level; | |
07bf635f RS |
440 | { |
441 | change_type change; | |
442 | widget_value* merged_next; | |
443 | widget_value* merged_contents; | |
444 | ||
445 | if (!val1) | |
446 | { | |
447 | if (val2) | |
448 | return copy_widget_value_tree (val2, STRUCTURAL_CHANGE); | |
449 | else | |
450 | return NULL; | |
451 | } | |
452 | if (!val2) | |
453 | { | |
454 | free_widget_value_tree (val1); | |
455 | return NULL; | |
456 | } | |
457 | ||
458 | change = NO_CHANGE; | |
459 | ||
460 | if (safe_strcmp (val1->name, val2->name)) | |
461 | { | |
462 | EXPLAIN (val1->name, change, STRUCTURAL_CHANGE, "name change", | |
463 | val1->name, val2->name); | |
464 | change = max (change, STRUCTURAL_CHANGE); | |
465 | safe_free_str (val1->name); | |
466 | val1->name = safe_strdup (val2->name); | |
467 | } | |
468 | if (safe_strcmp (val1->value, val2->value)) | |
469 | { | |
470 | EXPLAIN (val1->name, change, VISIBLE_CHANGE, "value change", | |
471 | val1->value, val2->value); | |
472 | change = max (change, VISIBLE_CHANGE); | |
473 | safe_free_str (val1->value); | |
474 | val1->value = safe_strdup (val2->value); | |
475 | } | |
476 | if (safe_strcmp (val1->key, val2->key)) | |
477 | { | |
478 | EXPLAIN (val1->name, change, VISIBLE_CHANGE, "key change", | |
479 | val1->key, val2->key); | |
480 | change = max (change, VISIBLE_CHANGE); | |
481 | safe_free_str (val1->key); | |
482 | val1->key = safe_strdup (val2->key); | |
483 | } | |
484 | if (val1->enabled != val2->enabled) | |
485 | { | |
486 | EXPLAIN (val1->name, change, VISIBLE_CHANGE, "enablement change", | |
487 | val1->enabled, val2->enabled); | |
488 | change = max (change, VISIBLE_CHANGE); | |
489 | val1->enabled = val2->enabled; | |
490 | } | |
491 | if (val1->selected != val2->selected) | |
492 | { | |
493 | EXPLAIN (val1->name, change, VISIBLE_CHANGE, "selection change", | |
494 | val1->selected, val2->selected); | |
495 | change = max (change, VISIBLE_CHANGE); | |
496 | val1->selected = val2->selected; | |
497 | } | |
498 | if (val1->call_data != val2->call_data) | |
499 | { | |
500 | EXPLAIN (val1->name, change, INVISIBLE_CHANGE, "call-data change", | |
501 | val1->call_data, val2->call_data); | |
502 | change = max (change, INVISIBLE_CHANGE); | |
503 | val1->call_data = val2->call_data; | |
504 | } | |
505 | ||
506 | if (level > 0) | |
507 | { | |
508 | merged_contents = | |
509 | merge_widget_value (val1->contents, val2->contents, level - 1); | |
510 | ||
511 | if (val1->contents && !merged_contents) | |
512 | { | |
513 | EXPLAIN (val1->name, change, INVISIBLE_CHANGE, "(contents gone)", | |
514 | 0, 0); | |
515 | change = max (change, INVISIBLE_CHANGE); | |
516 | } | |
517 | else if (merged_contents && merged_contents->change != NO_CHANGE) | |
518 | { | |
519 | EXPLAIN (val1->name, change, INVISIBLE_CHANGE, "(contents change)", | |
520 | 0, 0); | |
521 | change = max (change, INVISIBLE_CHANGE); | |
522 | } | |
523 | ||
524 | val1->contents = merged_contents; | |
525 | } | |
526 | ||
527 | merged_next = merge_widget_value (val1->next, val2->next, level); | |
528 | ||
529 | if (val1->next && !merged_next) | |
530 | { | |
531 | EXPLAIN (val1->name, change, STRUCTURAL_CHANGE, "(following gone)", | |
532 | 0, 0); | |
533 | change = max (change, STRUCTURAL_CHANGE); | |
534 | } | |
535 | else if (merged_next) | |
536 | { | |
537 | if (merged_next->change) | |
538 | EXPLAIN (val1->name, change, merged_next->change, "(following change)", | |
539 | 0, 0); | |
540 | change = max (change, merged_next->change); | |
541 | } | |
542 | ||
543 | val1->next = merged_next; | |
544 | ||
545 | val1->change = change; | |
546 | ||
547 | if (change > NO_CHANGE && val1->toolkit_data) | |
548 | { | |
549 | if (val1->free_toolkit_data) | |
550 | free (val1->toolkit_data); | |
551 | val1->toolkit_data = NULL; | |
552 | } | |
553 | ||
554 | return val1; | |
555 | } | |
556 | ||
557 | \f | |
558 | /* modifying the widgets */ | |
559 | static Widget | |
5f61736f RS |
560 | name_to_widget (instance, name) |
561 | widget_instance* instance; | |
562 | char* name; | |
07bf635f RS |
563 | { |
564 | Widget widget = NULL; | |
565 | ||
566 | if (!instance->widget) | |
567 | return NULL; | |
568 | ||
569 | if (!strcmp (XtName (instance->widget), name)) | |
570 | widget = instance->widget; | |
571 | else | |
572 | { | |
573 | int length = strlen (name) + 2; | |
f60044f5 | 574 | char* real_name = (char *) xmalloc (length); |
07bf635f RS |
575 | real_name [0] = '*'; |
576 | strcpy (real_name + 1, name); | |
577 | ||
578 | widget = XtNameToWidget (instance->widget, real_name); | |
f60044f5 RS |
579 | |
580 | free (real_name); | |
07bf635f RS |
581 | } |
582 | return widget; | |
583 | } | |
584 | ||
585 | static void | |
5f61736f RS |
586 | set_one_value (instance, val, deep_p) |
587 | widget_instance* instance; | |
588 | widget_value* val; | |
589 | Boolean deep_p; | |
07bf635f RS |
590 | { |
591 | Widget widget = name_to_widget (instance, val->name); | |
592 | ||
593 | if (widget) | |
594 | { | |
595 | #if defined (USE_LUCID) | |
596 | if (lw_lucid_widget_p (instance->widget)) | |
597 | xlw_update_one_widget (instance, widget, val, deep_p); | |
598 | #endif | |
599 | #if defined (USE_MOTIF) | |
600 | if (lw_motif_widget_p (instance->widget)) | |
601 | xm_update_one_widget (instance, widget, val, deep_p); | |
602 | #endif | |
603 | #if defined (USE_OLIT) | |
604 | if (lw_olit_widget_p (instance->widget)) | |
605 | xol_update_one_widget (instance, widget, val, deep_p); | |
9331cca8 FP |
606 | #endif |
607 | #if defined (USE_XAW) | |
608 | if (lw_xaw_widget_p (instance->widget)) | |
609 | xaw_update_one_widget (instance, widget, val, deep_p); | |
07bf635f RS |
610 | #endif |
611 | } | |
612 | } | |
613 | ||
614 | static void | |
5f61736f RS |
615 | update_one_widget_instance (instance, deep_p) |
616 | widget_instance* instance; | |
617 | Boolean deep_p; | |
07bf635f RS |
618 | { |
619 | widget_value *val; | |
620 | ||
621 | if (!instance->widget) | |
622 | /* the widget was destroyed */ | |
623 | return; | |
624 | ||
625 | for (val = instance->info->val; val; val = val->next) | |
626 | if (val->change != NO_CHANGE) | |
627 | set_one_value (instance, val, deep_p); | |
628 | } | |
629 | ||
630 | static void | |
5f61736f RS |
631 | update_all_widget_values (info, deep_p) |
632 | widget_info* info; | |
633 | Boolean deep_p; | |
07bf635f RS |
634 | { |
635 | widget_instance* instance; | |
636 | widget_value* val; | |
637 | ||
638 | for (instance = info->instances; instance; instance = instance->next) | |
639 | update_one_widget_instance (instance, deep_p); | |
640 | ||
641 | for (val = info->val; val; val = val->next) | |
642 | val->change = NO_CHANGE; | |
643 | } | |
644 | ||
645 | void | |
5f61736f RS |
646 | lw_modify_all_widgets (id, val, deep_p) |
647 | LWLIB_ID id; | |
648 | widget_value* val; | |
649 | Boolean deep_p; | |
07bf635f RS |
650 | { |
651 | widget_info* info = get_widget_info (id, False); | |
652 | widget_value* new_val; | |
653 | widget_value* next_new_val; | |
654 | widget_value* cur; | |
655 | widget_value* prev; | |
656 | widget_value* next; | |
657 | int found; | |
658 | ||
659 | if (!info) | |
660 | return; | |
661 | ||
662 | for (new_val = val; new_val; new_val = new_val->next) | |
663 | { | |
664 | next_new_val = new_val->next; | |
665 | new_val->next = NULL; | |
666 | found = False; | |
667 | for (prev = NULL, cur = info->val; cur; prev = cur, cur = cur->next) | |
668 | if (!strcmp (cur->name, new_val->name)) | |
669 | { | |
670 | found = True; | |
671 | next = cur->next; | |
672 | cur->next = NULL; | |
673 | cur = merge_widget_value (cur, new_val, deep_p ? 1000 : 1); | |
674 | if (prev) | |
675 | prev->next = cur ? cur : next; | |
676 | else | |
677 | info->val = cur ? cur : next; | |
678 | if (cur) | |
679 | cur->next = next; | |
680 | break; | |
681 | } | |
682 | if (!found) | |
683 | { | |
684 | /* Could not find it, add it */ | |
685 | if (prev) | |
686 | prev->next = copy_widget_value_tree (new_val, STRUCTURAL_CHANGE); | |
687 | else | |
688 | info->val = copy_widget_value_tree (new_val, STRUCTURAL_CHANGE); | |
689 | } | |
690 | new_val->next = next_new_val; | |
691 | } | |
692 | ||
693 | update_all_widget_values (info, deep_p); | |
694 | } | |
695 | ||
696 | \f | |
697 | /* creating the widgets */ | |
698 | ||
699 | static void | |
5f61736f RS |
700 | initialize_widget_instance (instance) |
701 | widget_instance* instance; | |
07bf635f RS |
702 | { |
703 | widget_value* val; | |
704 | ||
705 | for (val = instance->info->val; val; val = val->next) | |
706 | val->change = STRUCTURAL_CHANGE; | |
707 | ||
708 | update_one_widget_instance (instance, True); | |
709 | ||
710 | for (val = instance->info->val; val; val = val->next) | |
711 | val->change = NO_CHANGE; | |
712 | } | |
713 | ||
714 | ||
715 | static widget_creation_function | |
5f61736f RS |
716 | find_in_table (type, table) |
717 | char* type; | |
718 | widget_creation_entry* table; | |
07bf635f RS |
719 | { |
720 | widget_creation_entry* cur; | |
721 | for (cur = table; cur->type; cur++) | |
ed9c1473 | 722 | if (!my_strcasecmp (type, cur->type)) |
07bf635f RS |
723 | return cur->function; |
724 | return NULL; | |
725 | } | |
726 | ||
727 | static Boolean | |
5f61736f RS |
728 | dialog_spec_p (name) |
729 | char* name; | |
07bf635f RS |
730 | { |
731 | /* return True if name matches [EILPQeilpq][1-9][Bb] or | |
732 | [EILPQeilpq][1-9][Bb][Rr][1-9] */ | |
733 | if (!name) | |
734 | return False; | |
735 | ||
736 | switch (name [0]) | |
737 | { | |
738 | case 'E': case 'I': case 'L': case 'P': case 'Q': | |
739 | case 'e': case 'i': case 'l': case 'p': case 'q': | |
740 | if (name [1] >= '0' && name [1] <= '9') | |
741 | { | |
742 | if (name [2] != 'B' && name [2] != 'b') | |
743 | return False; | |
744 | if (!name [3]) | |
745 | return True; | |
746 | if ((name [3] == 'T' || name [3] == 't') && !name [4]) | |
747 | return True; | |
748 | if ((name [3] == 'R' || name [3] == 'r') | |
749 | && name [4] >= '0' && name [4] <= '9' && !name [5]) | |
750 | return True; | |
751 | return False; | |
752 | } | |
753 | else | |
754 | return False; | |
755 | ||
756 | default: | |
757 | return False; | |
758 | } | |
759 | } | |
760 | ||
761 | static void | |
5f61736f RS |
762 | instanciate_widget_instance (instance) |
763 | widget_instance* instance; | |
07bf635f RS |
764 | { |
765 | widget_creation_function function = NULL; | |
766 | ||
767 | #if defined (USE_LUCID) | |
768 | if (!function) | |
769 | function = find_in_table (instance->info->type, xlw_creation_table); | |
770 | #endif | |
771 | #if defined(USE_MOTIF) | |
772 | if (!function) | |
773 | function = find_in_table (instance->info->type, xm_creation_table); | |
774 | #endif | |
775 | #if defined (USE_OLIT) | |
776 | if (!function) | |
777 | function = find_in_table (instance->info->type, xol_creation_table); | |
778 | #endif | |
9331cca8 FP |
779 | #if defined (USE_XAW) |
780 | if (!function) | |
781 | function = find_in_table (instance->info->type, xaw_creation_table); | |
782 | #endif | |
07bf635f RS |
783 | |
784 | if (!function) | |
785 | { | |
786 | if (dialog_spec_p (instance->info->type)) | |
787 | { | |
788 | #if defined (USE_LUCID) | |
789 | /* not yet */ | |
790 | #endif | |
791 | #if defined(USE_MOTIF) | |
792 | if (!function) | |
793 | function = xm_create_dialog; | |
794 | #endif | |
9331cca8 FP |
795 | #if defined (USE_XAW) |
796 | if (!function) | |
797 | function = xaw_create_dialog; | |
798 | #endif | |
07bf635f RS |
799 | #if defined (USE_OLIT) |
800 | /* not yet */ | |
801 | #endif | |
802 | } | |
803 | } | |
804 | ||
805 | if (!function) | |
806 | { | |
807 | printf ("No creation function for widget type %s\n", | |
808 | instance->info->type); | |
809 | abort (); | |
810 | } | |
811 | ||
812 | instance->widget = (*function) (instance); | |
813 | ||
814 | if (!instance->widget) | |
815 | abort (); | |
816 | ||
817 | /* XtRealizeWidget (instance->widget);*/ | |
818 | } | |
819 | ||
820 | void | |
5f61736f RS |
821 | lw_register_widget (type, name, id, val, pre_activate_cb, selection_cb, post_activate_cb) |
822 | char* type; | |
823 | char* name; | |
824 | LWLIB_ID id; | |
825 | widget_value* val; | |
826 | lw_callback pre_activate_cb; | |
827 | lw_callback selection_cb; | |
828 | lw_callback post_activate_cb; | |
07bf635f RS |
829 | { |
830 | if (!get_widget_info (id, False)) | |
831 | allocate_widget_info (type, name, id, val, pre_activate_cb, selection_cb, | |
832 | post_activate_cb); | |
833 | } | |
834 | ||
835 | Widget | |
5f61736f RS |
836 | lw_get_widget (id, parent, pop_up_p) |
837 | LWLIB_ID id; | |
838 | Widget parent; | |
839 | Boolean pop_up_p; | |
07bf635f RS |
840 | { |
841 | widget_instance* instance; | |
842 | ||
843 | instance = find_instance (id, parent, pop_up_p); | |
844 | return instance ? instance->widget : NULL; | |
845 | } | |
846 | ||
847 | Widget | |
5f61736f RS |
848 | lw_make_widget (id, parent, pop_up_p) |
849 | LWLIB_ID id; | |
850 | Widget parent; | |
851 | Boolean pop_up_p; | |
07bf635f RS |
852 | { |
853 | widget_instance* instance; | |
854 | widget_info* info; | |
855 | ||
856 | instance = find_instance (id, parent, pop_up_p); | |
857 | if (!instance) | |
858 | { | |
859 | info = get_widget_info (id, False); | |
860 | if (!info) | |
861 | return NULL; | |
862 | instance = allocate_widget_instance (info, parent, pop_up_p); | |
863 | initialize_widget_instance (instance); | |
864 | } | |
865 | if (!instance->widget) | |
866 | abort (); | |
867 | return instance->widget; | |
868 | } | |
869 | ||
870 | Widget | |
5f61736f RS |
871 | lw_create_widget (type, name, id, val, parent, pop_up_p, pre_activate_cb, selection_cb, post_activate_cb) |
872 | char* type; | |
873 | char* name; | |
874 | LWLIB_ID id; | |
875 | widget_value* val; | |
876 | Widget parent; | |
877 | Boolean pop_up_p; | |
878 | lw_callback pre_activate_cb; | |
879 | lw_callback selection_cb; | |
880 | lw_callback post_activate_cb; | |
07bf635f RS |
881 | { |
882 | lw_register_widget (type, name, id, val, pre_activate_cb, selection_cb, | |
883 | post_activate_cb); | |
884 | return lw_make_widget (id, parent, pop_up_p); | |
885 | } | |
886 | ||
887 | \f | |
888 | /* destroying the widgets */ | |
889 | static void | |
5f61736f RS |
890 | destroy_one_instance (instance) |
891 | widget_instance* instance; | |
07bf635f RS |
892 | { |
893 | /* Remove the destroy callback on the widget; that callback will try to | |
894 | dereference the instance object (to set its widget slot to 0, since the | |
895 | widget is dead.) Since the instance is now dead, we don't have to worry | |
896 | about the fact that its widget is dead too. | |
897 | ||
898 | This happens in the Phase2Destroy of the widget, so this callback would | |
899 | not have been run until arbitrarily long after the instance was freed. | |
900 | */ | |
901 | if (instance->widget) | |
902 | XtRemoveCallback (instance->widget, XtNdestroyCallback, | |
903 | mark_widget_destroyed, (XtPointer)instance); | |
904 | ||
905 | if (instance->widget) | |
906 | { | |
907 | /* The else are pretty tricky here, including the empty statement | |
908 | at the end because it would be very bad to destroy a widget | |
909 | twice. */ | |
910 | #if defined (USE_LUCID) | |
911 | if (lw_lucid_widget_p (instance->widget)) | |
912 | xlw_destroy_instance (instance); | |
913 | else | |
914 | #endif | |
915 | #if defined (USE_MOTIF) | |
916 | if (lw_motif_widget_p (instance->widget)) | |
917 | xm_destroy_instance (instance); | |
918 | else | |
919 | #endif | |
920 | #if defined (USE_OLIT) | |
921 | if (lw_olit_widget_p (instance->widget)) | |
922 | xol_destroy_instance (instance); | |
923 | else | |
9331cca8 FP |
924 | #endif |
925 | #if defined (USE_XAW) | |
926 | if (lw_xaw_widget_p (instance->widget)) | |
927 | xaw_destroy_instance (instance); | |
928 | else | |
07bf635f RS |
929 | #endif |
930 | /* do not remove the empty statement */ | |
931 | ; | |
932 | } | |
933 | ||
934 | free_widget_instance (instance); | |
935 | } | |
936 | ||
937 | void | |
5f61736f RS |
938 | lw_destroy_widget (w) |
939 | Widget w; | |
07bf635f RS |
940 | { |
941 | widget_instance* instance = get_widget_instance (w, True); | |
942 | ||
943 | if (instance) | |
944 | { | |
945 | widget_info *info = instance->info; | |
946 | /* instance has already been removed from the list; free it */ | |
947 | destroy_one_instance (instance); | |
948 | /* if there are no instances left, free the info too */ | |
949 | if (!info->instances) | |
950 | lw_destroy_all_widgets (info->id); | |
951 | } | |
952 | } | |
953 | ||
954 | void | |
5f61736f RS |
955 | lw_destroy_all_widgets (id) |
956 | LWLIB_ID id; | |
07bf635f RS |
957 | { |
958 | widget_info* info = get_widget_info (id, True); | |
959 | widget_instance* instance; | |
960 | widget_instance* next; | |
961 | ||
962 | if (info) | |
963 | { | |
964 | for (instance = info->instances; instance; ) | |
965 | { | |
966 | next = instance->next; | |
967 | destroy_one_instance (instance); | |
968 | instance = next; | |
969 | } | |
970 | free_widget_info (info); | |
971 | } | |
972 | } | |
973 | ||
974 | void | |
975 | lw_destroy_everything () | |
976 | { | |
977 | while (all_widget_info) | |
978 | lw_destroy_all_widgets (all_widget_info->id); | |
979 | } | |
980 | ||
981 | void | |
982 | lw_destroy_all_pop_ups () | |
983 | { | |
984 | widget_info* info; | |
985 | widget_info* next; | |
986 | widget_instance* instance; | |
987 | ||
988 | for (info = all_widget_info; info; info = next) | |
989 | { | |
990 | next = info->next; | |
991 | instance = info->instances; | |
992 | if (instance && instance->pop_up_p) | |
993 | lw_destroy_all_widgets (info->id); | |
994 | } | |
995 | } | |
996 | ||
997 | #ifdef USE_MOTIF | |
9e3fe459 | 998 | extern Widget first_child (/* Widget */); /* garbage */ |
07bf635f RS |
999 | #endif |
1000 | ||
1001 | Widget | |
1002 | lw_raise_all_pop_up_widgets () | |
1003 | { | |
1004 | widget_info* info; | |
1005 | widget_instance* instance; | |
1006 | Widget result = NULL; | |
1007 | ||
1008 | for (info = all_widget_info; info; info = info->next) | |
1009 | for (instance = info->instances; instance; instance = instance->next) | |
1010 | if (instance->pop_up_p) | |
1011 | { | |
1012 | Widget widget = instance->widget; | |
1013 | if (widget) | |
1014 | { | |
1015 | if (XtIsManaged (widget) | |
1016 | #ifdef USE_MOTIF | |
1017 | /* What a complete load of crap!!!! | |
1018 | When a dialogShell is on the screen, it is not managed! | |
1019 | */ | |
1020 | || (lw_motif_widget_p (instance->widget) && | |
1021 | XtIsManaged (first_child (widget))) | |
1022 | #endif | |
1023 | ) | |
1024 | { | |
1025 | if (!result) | |
1026 | result = widget; | |
1027 | XMapRaised (XtDisplay (widget), XtWindow (widget)); | |
1028 | } | |
1029 | } | |
1030 | } | |
1031 | return result; | |
1032 | } | |
1033 | ||
1034 | static void | |
5f61736f RS |
1035 | lw_pop_all_widgets (id, up) |
1036 | LWLIB_ID id; | |
1037 | Boolean up; | |
07bf635f RS |
1038 | { |
1039 | widget_info* info = get_widget_info (id, False); | |
1040 | widget_instance* instance; | |
1041 | ||
1042 | if (info) | |
1043 | for (instance = info->instances; instance; instance = instance->next) | |
1044 | if (instance->pop_up_p && instance->widget) | |
1045 | { | |
07bf635f RS |
1046 | #if defined (USE_LUCID) |
1047 | if (lw_lucid_widget_p (instance->widget)) | |
9331cca8 FP |
1048 | { |
1049 | XtRealizeWidget (instance->widget); | |
1050 | xlw_pop_instance (instance, up); | |
1051 | } | |
07bf635f RS |
1052 | #endif |
1053 | #if defined (USE_MOTIF) | |
1054 | if (lw_motif_widget_p (instance->widget)) | |
9331cca8 FP |
1055 | { |
1056 | XtRealizeWidget (instance->widget); | |
1057 | xm_pop_instance (instance, up); | |
1058 | } | |
07bf635f RS |
1059 | #endif |
1060 | #if defined (USE_OLIT) | |
1061 | if (lw_olit_widget_p (instance->widget)) | |
9331cca8 FP |
1062 | { |
1063 | XtRealizeWidget (instance->widget); | |
1064 | xol_pop_instance (instance, up); | |
1065 | } | |
1066 | #endif | |
1067 | #if defined (USE_XAW) | |
1068 | if (lw_xaw_widget_p (instance->widget)) | |
1069 | { | |
1070 | XtRealizeWidget (XtParent (instance->widget)); | |
1071 | XtRealizeWidget (instance->widget); | |
1072 | xaw_pop_instance (instance, up); | |
1073 | } | |
07bf635f RS |
1074 | #endif |
1075 | } | |
1076 | } | |
1077 | ||
1078 | void | |
5f61736f RS |
1079 | lw_pop_up_all_widgets (id) |
1080 | LWLIB_ID id; | |
07bf635f RS |
1081 | { |
1082 | lw_pop_all_widgets (id, True); | |
1083 | } | |
1084 | ||
1085 | void | |
5f61736f RS |
1086 | lw_pop_down_all_widgets (id) |
1087 | LWLIB_ID id; | |
07bf635f RS |
1088 | { |
1089 | lw_pop_all_widgets (id, False); | |
1090 | } | |
1091 | ||
1092 | void | |
5b3b31d6 | 1093 | lw_popup_menu (widget, event) |
5f61736f | 1094 | Widget widget; |
5b3b31d6 | 1095 | XEvent *event; |
07bf635f RS |
1096 | { |
1097 | #if defined (USE_LUCID) | |
1098 | if (lw_lucid_widget_p (widget)) | |
5b3b31d6 | 1099 | xlw_popup_menu (widget, event); |
07bf635f RS |
1100 | #endif |
1101 | #if defined (USE_MOTIF) | |
1102 | if (lw_motif_widget_p (widget)) | |
5b3b31d6 | 1103 | xm_popup_menu (widget, event); |
07bf635f RS |
1104 | #endif |
1105 | #if defined (USE_OLIT) | |
1106 | if (lw_olit_widget_p (widget)) | |
5b3b31d6 | 1107 | xol_popup_menu (widget, event); |
07bf635f | 1108 | #endif |
9331cca8 FP |
1109 | #if defined (USE_XAW) |
1110 | if (lw_xaw_widget_p (widget)) | |
5b3b31d6 | 1111 | xaw_popup_menu (widget, event); |
9331cca8 | 1112 | #endif |
07bf635f RS |
1113 | } |
1114 | ||
1115 | \f/* get the values back */ | |
1116 | static Boolean | |
5f61736f RS |
1117 | get_one_value (instance, val) |
1118 | widget_instance* instance; | |
1119 | widget_value* val; | |
07bf635f RS |
1120 | { |
1121 | Widget widget = name_to_widget (instance, val->name); | |
1122 | ||
1123 | if (widget) | |
1124 | { | |
1125 | #if defined (USE_LUCID) | |
1126 | if (lw_lucid_widget_p (instance->widget)) | |
1127 | xlw_update_one_value (instance, widget, val); | |
1128 | #endif | |
1129 | #if defined (USE_MOTIF) | |
1130 | if (lw_motif_widget_p (instance->widget)) | |
1131 | xm_update_one_value (instance, widget, val); | |
1132 | #endif | |
1133 | #if defined (USE_OLIT) | |
1134 | if (lw_olit_widget_p (instance->widget)) | |
1135 | xol_update_one_value (instance, widget, val); | |
9331cca8 FP |
1136 | #endif |
1137 | #if defined (USE_XAW) | |
1138 | if (lw_xaw_widget_p (instance->widget)) | |
1139 | xaw_update_one_value (instance, widget, val); | |
07bf635f RS |
1140 | #endif |
1141 | return True; | |
1142 | } | |
1143 | else | |
1144 | return False; | |
1145 | } | |
1146 | ||
1147 | Boolean | |
5f61736f RS |
1148 | lw_get_some_values (id, val_out) |
1149 | LWLIB_ID id; | |
1150 | widget_value* val_out; | |
07bf635f RS |
1151 | { |
1152 | widget_info* info = get_widget_info (id, False); | |
1153 | widget_instance* instance; | |
1154 | widget_value* val; | |
1155 | Boolean result = False; | |
1156 | ||
1157 | if (!info) | |
1158 | return False; | |
1159 | ||
1160 | instance = info->instances; | |
1161 | if (!instance) | |
1162 | return False; | |
1163 | ||
1164 | for (val = val_out; val; val = val->next) | |
1165 | if (get_one_value (instance, val)) | |
1166 | result = True; | |
1167 | ||
1168 | return result; | |
1169 | } | |
1170 | ||
1171 | widget_value* | |
5f61736f RS |
1172 | lw_get_all_values (id) |
1173 | LWLIB_ID id; | |
07bf635f RS |
1174 | { |
1175 | widget_info* info = get_widget_info (id, False); | |
1176 | widget_value* val = info->val; | |
1177 | if (lw_get_some_values (id, val)) | |
1178 | return val; | |
1179 | else | |
1180 | return NULL; | |
1181 | } | |
1182 | ||
1183 | /* internal function used by the library dependent implementation to get the | |
1184 | widget_value for a given widget in an instance */ | |
1185 | widget_value* | |
5f61736f RS |
1186 | lw_get_widget_value_for_widget (instance, w) |
1187 | widget_instance* instance; | |
1188 | Widget w; | |
07bf635f RS |
1189 | { |
1190 | char* name = XtName (w); | |
1191 | widget_value* cur; | |
1192 | for (cur = instance->info->val; cur; cur = cur->next) | |
1193 | if (!strcmp (cur->name, name)) | |
1194 | return cur; | |
1195 | return NULL; | |
1196 | } | |
1197 | ||
1198 | \f/* update other instances value when one thing changed */ | |
1199 | /* This function can be used as a an XtCallback for the widgets that get | |
1200 | modified to update other instances of the widgets. Closure should be the | |
1201 | widget_instance. */ | |
1202 | void | |
5f61736f RS |
1203 | lw_internal_update_other_instances (widget, closure, call_data) |
1204 | Widget widget; | |
1205 | XtPointer closure; | |
1206 | XtPointer call_data; | |
07bf635f RS |
1207 | { |
1208 | /* To forbid recursive calls */ | |
1209 | static Boolean updating; | |
1210 | ||
1211 | widget_instance* instance = (widget_instance*)closure; | |
1212 | char* name = XtName (widget); | |
1213 | widget_info* info; | |
1214 | widget_instance* cur; | |
1215 | widget_value* val; | |
1216 | ||
1217 | /* never recurse as this could cause infinite recursions. */ | |
1218 | if (updating) | |
1219 | return; | |
1220 | ||
1221 | /* protect against the widget being destroyed */ | |
1222 | if (XtWidgetBeingDestroyedP (widget)) | |
1223 | return; | |
1224 | ||
1225 | /* Return immediately if there are no other instances */ | |
1226 | info = instance->info; | |
1227 | if (!info->instances->next) | |
1228 | return; | |
1229 | ||
1230 | updating = True; | |
1231 | ||
1232 | for (val = info->val; val && strcmp (val->name, name); val = val->next); | |
1233 | ||
1234 | if (val && get_one_value (instance, val)) | |
1235 | for (cur = info->instances; cur; cur = cur->next) | |
1236 | if (cur != instance) | |
1237 | set_one_value (cur, val, True); | |
1238 | ||
1239 | updating = False; | |
1240 | } | |
1241 | ||
1242 | ||
1243 | \f/* get the id */ | |
1244 | ||
1245 | LWLIB_ID | |
5f61736f RS |
1246 | lw_get_widget_id (w) |
1247 | Widget w; | |
07bf635f RS |
1248 | { |
1249 | widget_instance* instance = get_widget_instance (w, False); | |
1250 | ||
1251 | return instance ? instance->info->id : 0; | |
1252 | } | |
1253 | ||
1254 | \f/* set the keyboard focus */ | |
1255 | void | |
5f61736f RS |
1256 | lw_set_keyboard_focus (parent, w) |
1257 | Widget parent; | |
1258 | Widget w; | |
07bf635f RS |
1259 | { |
1260 | #if defined (USE_MOTIF) | |
1261 | xm_set_keyboard_focus (parent, w); | |
1262 | #else | |
1263 | XtSetKeyboardFocus (parent, w); | |
1264 | #endif | |
1265 | } | |
1266 | ||
1267 | \f/* Show busy */ | |
1268 | static void | |
5f61736f RS |
1269 | show_one_widget_busy (w, flag) |
1270 | Widget w; | |
1271 | Boolean flag; | |
07bf635f RS |
1272 | { |
1273 | Pixel foreground = 0; | |
1274 | Pixel background = 1; | |
1275 | Widget widget_to_invert = XtNameToWidget (w, "*sheet"); | |
1276 | if (!widget_to_invert) | |
1277 | widget_to_invert = w; | |
1278 | ||
1279 | XtVaGetValues (widget_to_invert, | |
1280 | XtNforeground, &foreground, | |
1281 | XtNbackground, &background, | |
1282 | 0); | |
1283 | XtVaSetValues (widget_to_invert, | |
1284 | XtNforeground, background, | |
1285 | XtNbackground, foreground, | |
1286 | 0); | |
1287 | } | |
1288 | ||
1289 | void | |
5f61736f RS |
1290 | lw_show_busy (w, busy) |
1291 | Widget w; | |
1292 | Boolean busy; | |
07bf635f RS |
1293 | { |
1294 | widget_instance* instance = get_widget_instance (w, False); | |
1295 | widget_info* info; | |
1296 | widget_instance* next; | |
1297 | ||
1298 | if (instance) | |
1299 | { | |
1300 | info = instance->info; | |
1301 | if (info->busy != busy) | |
1302 | { | |
1303 | for (next = info->instances; next; next = next->next) | |
1304 | if (next->widget) | |
1305 | show_one_widget_busy (next->widget, busy); | |
1306 | info->busy = busy; | |
1307 | } | |
1308 | } | |
1309 | } | |
2af91681 PR |
1310 | |
1311 | /* This hack exists because Lucid/Athena need to execute the strange | |
1312 | function below to support geometry management. */ | |
1313 | void | |
1314 | lw_refigure_widget (w, doit) | |
1315 | Widget w; | |
1316 | Boolean doit; | |
1317 | { | |
e1241f09 | 1318 | #if defined (USE_XAW) |
2af91681 PR |
1319 | XawPanedSetRefigureMode (w, doit); |
1320 | #endif | |
1321 | #if defined (USE_MOTIF) | |
1322 | if (doit) | |
2af91681 | 1323 | XtManageChild (w); |
a61155bc RS |
1324 | else |
1325 | XtUnmanageChild (w); | |
2af91681 PR |
1326 | #endif |
1327 | } | |
1328 | ||
1329 | /* Toolkit independent way of determining if an event window is in the | |
1330 | menubar. */ | |
1331 | Boolean | |
1332 | lw_window_is_in_menubar (win, menubar_widget) | |
1333 | Window win; | |
1334 | Widget menubar_widget; | |
1335 | { | |
1336 | return menubar_widget | |
1337 | #if defined (USE_LUCID) | |
1338 | && XtWindow (menubar_widget) == win; | |
1339 | #endif | |
1340 | #if defined (USE_MOTIF) | |
1341 | && XtWindowToWidget (XtDisplay (menubar_widget), win) | |
1342 | && (XtParent (XtWindowToWidget (XtDisplay (menubar_widget), win)) | |
1343 | == menubar_widget); | |
1344 | #endif | |
1345 | } | |
1346 | ||
1347 | /* Motif hack to set the main window areas. */ | |
1348 | void | |
1349 | lw_set_main_areas (parent, menubar, work_area) | |
1350 | Widget parent; | |
1351 | Widget menubar; | |
1352 | Widget work_area; | |
1353 | { | |
1354 | #if defined (USE_MOTIF) | |
6618806e | 1355 | xm_set_main_areas (parent, menubar, work_area); |
2af91681 PR |
1356 | #endif |
1357 | } | |
1358 | ||
1359 | /* Manage resizing for Motif. This disables resizing when the menubar | |
1360 | is about to be modified. */ | |
1361 | void | |
1362 | lw_allow_resizing (w, flag) | |
1363 | Widget w; | |
1364 | Boolean flag; | |
1365 | { | |
1366 | #if defined (USE_MOTIF) | |
f78c5177 | 1367 | xm_manage_resizing (w, flag); |
2af91681 PR |
1368 | #endif |
1369 | } |