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 | |
3b7ad313 EN |
18 | the Free Software Foundation, Inc., 59 Temple Place - Suite 330, |
19 | Boston, MA 02111-1307, USA. */ | |
07bf635f RS |
20 | |
21 | #ifdef NeXT | |
22 | #undef __STRICT_BSD__ /* ick */ | |
23 | #endif | |
24 | ||
07bf635f | 25 | #include <sys/types.h> |
07bf635f | 26 | #include <stdio.h> |
5f61736f | 27 | #include <ctype.h> |
e7818b5a | 28 | #include "lwlib-int.h" |
07bf635f | 29 | #include "lwlib-utils.h" |
01492d1b | 30 | #include <X11/StringDefs.h> |
07bf635f | 31 | |
c7d71315 RS |
32 | #ifdef __osf__ |
33 | #include <string.h> | |
34 | #include <stdlib.h> | |
c7d71315 | 35 | #endif |
cec17865 | 36 | extern long *xmalloc(); |
c7d71315 | 37 | |
07bf635f RS |
38 | #if defined (USE_LUCID) |
39 | #include "lwlib-Xlw.h" | |
40 | #endif | |
41 | #if defined (USE_MOTIF) | |
42 | #include "lwlib-Xm.h" | |
ce5a08a1 FP |
43 | #else /* not USE_MOTIF */ |
44 | #if defined (USE_LUCID) | |
45 | #define USE_XAW | |
46 | #endif /* not USE_MOTIF && USE_LUCID */ | |
07bf635f RS |
47 | #endif |
48 | #if defined (USE_OLIT) | |
49 | #include "lwlib-Xol.h" | |
50 | #endif | |
9331cca8 | 51 | #if defined (USE_XAW) |
cec17865 | 52 | #include <X11/Xaw/Paned.h> |
9331cca8 FP |
53 | #include "lwlib-Xaw.h" |
54 | #endif | |
07bf635f RS |
55 | |
56 | #if !defined (USE_LUCID) && !defined (USE_MOTIF) && !defined (USE_OLIT) | |
57 | ERROR! At least one of USE_LUCID, USE_MOTIF or USE_OLIT must be defined. | |
58 | #endif | |
59 | ||
60 | #if defined (USE_MOTIF) && defined (USE_OLIT) | |
61 | ERROR! no more than one of USE_MOTIF and USE_OLIT may be defined. | |
62 | #endif | |
63 | ||
2af91681 PR |
64 | #ifndef max |
65 | #define max(x, y) ((x) > (y) ? (x) : (y)) | |
66 | #endif | |
67 | ||
07bf635f RS |
68 | /* List of all widgets managed by the library. */ |
69 | static widget_info* | |
70 | all_widget_info = NULL; | |
71 | ||
99dcca2f KH |
72 | #ifdef USE_MOTIF |
73 | char *lwlib_toolkit_type = "motif"; | |
74 | #else | |
75 | char *lwlib_toolkit_type = "lucid"; | |
76 | #endif | |
07bf635f RS |
77 | \f/* Forward declarations */ |
78 | static void | |
7ef3956a | 79 | instantiate_widget_instance (/* widget_instance* instance */); |
07bf635f | 80 | |
cec17865 | 81 | void |
f60044f5 RS |
82 | lwlib_memset (address, value, length) |
83 | char *address; | |
84 | int value; | |
85 | int length; | |
86 | { | |
87 | int i; | |
88 | ||
89 | for (i = 0; i < length; i++) | |
90 | address[i] = value; | |
91 | } | |
92 | ||
cec17865 | 93 | void |
f60044f5 RS |
94 | lwlib_bcopy (from, to, length) |
95 | char *from; | |
96 | char *to; | |
97 | int length; | |
98 | { | |
99 | int i; | |
100 | ||
101 | for (i = 0; i < length; i++) | |
102 | to[i] = from[i]; | |
103 | } | |
07bf635f | 104 | \f/* utility functions for widget_instance and widget_info */ |
bb2ee72b | 105 | char * |
5f61736f RS |
106 | safe_strdup (s) |
107 | char *s; | |
07bf635f RS |
108 | { |
109 | char *result; | |
110 | if (! s) return 0; | |
111 | result = (char *) malloc (strlen (s) + 1); | |
112 | if (! result) | |
113 | return 0; | |
114 | strcpy (result, s); | |
115 | return result; | |
116 | } | |
117 | ||
5f61736f RS |
118 | /* Like strcmp but ignore differences in case. */ |
119 | ||
120 | static int | |
ed9c1473 | 121 | my_strcasecmp (s1, s2) |
5f61736f RS |
122 | char *s1, *s2; |
123 | { | |
124 | while (1) | |
125 | { | |
126 | int c1 = *s1++; | |
127 | int c2 = *s2++; | |
128 | if (isupper (c1)) | |
129 | c1 = tolower (c1); | |
130 | if (isupper (c2)) | |
131 | c2 = tolower (c2); | |
132 | if (c1 != c2) | |
133 | return (c1 > c2 ? 1 : -1); | |
134 | if (c1 == 0) | |
135 | return 0; | |
136 | } | |
137 | } | |
138 | ||
07bf635f | 139 | static void |
5f61736f RS |
140 | safe_free_str (s) |
141 | char *s; | |
07bf635f RS |
142 | { |
143 | if (s) free (s); | |
144 | } | |
145 | ||
146 | static widget_value *widget_value_free_list = 0; | |
0b96f00b | 147 | static int malloc_cpt = 0; |
07bf635f RS |
148 | |
149 | widget_value * | |
150 | malloc_widget_value () | |
151 | { | |
152 | widget_value *wv; | |
153 | if (widget_value_free_list) | |
154 | { | |
155 | wv = widget_value_free_list; | |
156 | widget_value_free_list = wv->free_list; | |
157 | wv->free_list = 0; | |
158 | } | |
159 | else | |
160 | { | |
161 | wv = (widget_value *) malloc (sizeof (widget_value)); | |
0b96f00b | 162 | malloc_cpt++; |
07bf635f | 163 | } |
f60044f5 | 164 | lwlib_memset (wv, 0, sizeof (widget_value)); |
07bf635f RS |
165 | return wv; |
166 | } | |
167 | ||
7ef3956a | 168 | /* this is analogous to free(). It frees only what was allocated |
07bf635f RS |
169 | by malloc_widget_value(), and no substructures. |
170 | */ | |
171 | void | |
172 | free_widget_value (wv) | |
173 | widget_value *wv; | |
174 | { | |
175 | if (wv->free_list) | |
176 | abort (); | |
0b96f00b | 177 | |
d2a5919f | 178 | if (malloc_cpt > 25) |
0b96f00b FP |
179 | { |
180 | /* When the number of already allocated cells is too big, | |
181 | We free it. */ | |
0b96f00b | 182 | free (wv); |
d2a5919f | 183 | malloc_cpt--; |
0b96f00b FP |
184 | } |
185 | else | |
186 | { | |
187 | wv->free_list = widget_value_free_list; | |
188 | widget_value_free_list = wv; | |
189 | } | |
07bf635f RS |
190 | } |
191 | ||
192 | static void | |
5f61736f RS |
193 | free_widget_value_tree (wv) |
194 | widget_value *wv; | |
07bf635f RS |
195 | { |
196 | if (!wv) | |
197 | return; | |
198 | ||
199 | if (wv->name) free (wv->name); | |
200 | if (wv->value) free (wv->value); | |
201 | if (wv->key) free (wv->key); | |
202 | ||
203 | wv->name = wv->value = wv->key = (char *) 0xDEADBEEF; | |
204 | ||
205 | if (wv->toolkit_data && wv->free_toolkit_data) | |
206 | { | |
53e28d2a | 207 | XtFree (wv->toolkit_data); |
07bf635f RS |
208 | wv->toolkit_data = (void *) 0xDEADBEEF; |
209 | } | |
210 | ||
211 | if (wv->contents && (wv->contents != (widget_value*)1)) | |
212 | { | |
213 | free_widget_value_tree (wv->contents); | |
214 | wv->contents = (widget_value *) 0xDEADBEEF; | |
215 | } | |
216 | if (wv->next) | |
217 | { | |
218 | free_widget_value_tree (wv->next); | |
219 | wv->next = (widget_value *) 0xDEADBEEF; | |
220 | } | |
221 | free_widget_value (wv); | |
222 | } | |
223 | ||
224 | static widget_value * | |
5f61736f RS |
225 | copy_widget_value_tree (val, change) |
226 | widget_value* val; | |
227 | change_type change; | |
07bf635f RS |
228 | { |
229 | widget_value* copy; | |
230 | ||
231 | if (!val) | |
232 | return NULL; | |
233 | if (val == (widget_value *) 1) | |
234 | return val; | |
235 | ||
236 | copy = malloc_widget_value (); | |
237 | copy->name = safe_strdup (val->name); | |
238 | copy->value = safe_strdup (val->value); | |
239 | copy->key = safe_strdup (val->key); | |
240 | copy->enabled = val->enabled; | |
da88f592 | 241 | copy->button_type = val->button_type; |
07bf635f RS |
242 | copy->selected = val->selected; |
243 | copy->edited = False; | |
244 | copy->change = change; | |
0c12a958 | 245 | copy->this_one_change = change; |
07bf635f RS |
246 | copy->contents = copy_widget_value_tree (val->contents, change); |
247 | copy->call_data = val->call_data; | |
248 | copy->next = copy_widget_value_tree (val->next, change); | |
249 | copy->toolkit_data = NULL; | |
250 | copy->free_toolkit_data = False; | |
251 | return copy; | |
252 | } | |
253 | ||
254 | static widget_info * | |
5f61736f RS |
255 | allocate_widget_info (type, name, id, val, pre_activate_cb, selection_cb, post_activate_cb) |
256 | char* type; | |
257 | char* name; | |
258 | LWLIB_ID id; | |
259 | widget_value* val; | |
260 | lw_callback pre_activate_cb; | |
261 | lw_callback selection_cb; | |
262 | lw_callback post_activate_cb; | |
07bf635f RS |
263 | { |
264 | widget_info* info = (widget_info*)malloc (sizeof (widget_info)); | |
265 | info->type = safe_strdup (type); | |
266 | info->name = safe_strdup (name); | |
267 | info->id = id; | |
268 | info->val = copy_widget_value_tree (val, STRUCTURAL_CHANGE); | |
269 | info->busy = False; | |
270 | info->pre_activate_cb = pre_activate_cb; | |
271 | info->selection_cb = selection_cb; | |
272 | info->post_activate_cb = post_activate_cb; | |
273 | info->instances = NULL; | |
274 | ||
275 | info->next = all_widget_info; | |
276 | all_widget_info = info; | |
277 | ||
278 | return info; | |
279 | } | |
280 | ||
281 | static void | |
5f61736f RS |
282 | free_widget_info (info) |
283 | widget_info* info; | |
07bf635f RS |
284 | { |
285 | safe_free_str (info->type); | |
286 | safe_free_str (info->name); | |
287 | free_widget_value_tree (info->val); | |
f60044f5 | 288 | lwlib_memset ((void*)info, 0xDEADBEEF, sizeof (widget_info)); |
07bf635f RS |
289 | free (info); |
290 | } | |
291 | ||
292 | static void | |
5f61736f RS |
293 | mark_widget_destroyed (widget, closure, call_data) |
294 | Widget widget; | |
295 | XtPointer closure; | |
296 | XtPointer call_data; | |
07bf635f RS |
297 | { |
298 | widget_instance* instance = (widget_instance*)closure; | |
299 | ||
300 | /* be very conservative */ | |
301 | if (instance->widget == widget) | |
302 | instance->widget = NULL; | |
303 | } | |
304 | ||
305 | static widget_instance * | |
5f61736f RS |
306 | allocate_widget_instance (info, parent, pop_up_p) |
307 | widget_info* info; | |
308 | Widget parent; | |
309 | Boolean pop_up_p; | |
07bf635f RS |
310 | { |
311 | widget_instance* instance = | |
312 | (widget_instance*)malloc (sizeof (widget_instance)); | |
313 | instance->parent = parent; | |
314 | instance->pop_up_p = pop_up_p; | |
315 | instance->info = info; | |
316 | instance->next = info->instances; | |
317 | info->instances = instance; | |
318 | ||
7ef3956a | 319 | instantiate_widget_instance (instance); |
07bf635f RS |
320 | |
321 | XtAddCallback (instance->widget, XtNdestroyCallback, | |
322 | mark_widget_destroyed, (XtPointer)instance); | |
323 | return instance; | |
324 | } | |
325 | ||
326 | static void | |
5f61736f RS |
327 | free_widget_instance (instance) |
328 | widget_instance* instance; | |
07bf635f | 329 | { |
f60044f5 | 330 | lwlib_memset ((void*)instance, 0xDEADBEEF, sizeof (widget_instance)); |
07bf635f RS |
331 | free (instance); |
332 | } | |
333 | ||
334 | static widget_info * | |
5f61736f RS |
335 | get_widget_info (id, remove_p) |
336 | LWLIB_ID id; | |
337 | Boolean remove_p; | |
07bf635f RS |
338 | { |
339 | widget_info* info; | |
340 | widget_info* prev; | |
341 | for (prev = NULL, info = all_widget_info; | |
342 | info; | |
343 | prev = info, info = info->next) | |
344 | if (info->id == id) | |
345 | { | |
346 | if (remove_p) | |
347 | { | |
348 | if (prev) | |
349 | prev->next = info->next; | |
350 | else | |
351 | all_widget_info = info->next; | |
352 | } | |
353 | return info; | |
354 | } | |
355 | return NULL; | |
356 | } | |
357 | ||
9331cca8 FP |
358 | /* Internal function used by the library dependent implementation to get the |
359 | widget_value for a given widget in an instance */ | |
360 | widget_info * | |
e14e13a4 FP |
361 | lw_get_widget_info (id) |
362 | LWLIB_ID id; | |
9331cca8 FP |
363 | { |
364 | return get_widget_info (id, 0); | |
365 | } | |
366 | ||
07bf635f | 367 | static widget_instance * |
5f61736f RS |
368 | get_widget_instance (widget, remove_p) |
369 | Widget widget; | |
370 | Boolean remove_p; | |
07bf635f RS |
371 | { |
372 | widget_info* info; | |
373 | widget_instance* instance; | |
374 | widget_instance* prev; | |
375 | for (info = all_widget_info; info; info = info->next) | |
376 | for (prev = NULL, instance = info->instances; | |
377 | instance; | |
378 | prev = instance, instance = instance->next) | |
379 | if (instance->widget == widget) | |
380 | { | |
381 | if (remove_p) | |
382 | { | |
383 | if (prev) | |
384 | prev->next = instance->next; | |
385 | else | |
386 | info->instances = instance->next; | |
387 | } | |
388 | return instance; | |
389 | } | |
390 | return (widget_instance *) 0; | |
391 | } | |
392 | ||
393 | static widget_instance* | |
5f61736f RS |
394 | find_instance (id, parent, pop_up_p) |
395 | LWLIB_ID id; | |
396 | Widget parent; | |
397 | Boolean pop_up_p; | |
07bf635f RS |
398 | { |
399 | widget_info* info = get_widget_info (id, False); | |
400 | widget_instance* instance; | |
401 | ||
402 | if (info) | |
403 | for (instance = info->instances; instance; instance = instance->next) | |
404 | if (instance->parent == parent && instance->pop_up_p == pop_up_p) | |
405 | return instance; | |
406 | ||
407 | return NULL; | |
408 | } | |
409 | ||
410 | \f | |
411 | /* utility function for widget_value */ | |
412 | static Boolean | |
5f61736f RS |
413 | safe_strcmp (s1, s2) |
414 | char* s1; | |
415 | char* s2; | |
07bf635f RS |
416 | { |
417 | if (!!s1 ^ !!s2) return True; | |
418 | return (s1 && s2) ? strcmp (s1, s2) : s1 ? False : !!s2; | |
419 | } | |
420 | ||
07bf635f RS |
421 | |
422 | #if 0 | |
423 | # define EXPLAIN(name, oc, nc, desc, a1, a2) \ | |
424 | printf ("Change: \"%s\"\tmax(%s=%d,%s=%d)\t%s %d %d\n", \ | |
425 | name, \ | |
426 | (oc == NO_CHANGE ? "none" : \ | |
427 | (oc == INVISIBLE_CHANGE ? "invisible" : \ | |
428 | (oc == VISIBLE_CHANGE ? "visible" : \ | |
429 | (oc == STRUCTURAL_CHANGE ? "structural" : "???")))), \ | |
430 | oc, \ | |
431 | (nc == NO_CHANGE ? "none" : \ | |
432 | (nc == INVISIBLE_CHANGE ? "invisible" : \ | |
433 | (nc == VISIBLE_CHANGE ? "visible" : \ | |
434 | (nc == STRUCTURAL_CHANGE ? "structural" : "???")))), \ | |
435 | nc, desc, a1, a2) | |
436 | #else | |
437 | # define EXPLAIN(name, oc, nc, desc, a1, a2) | |
438 | #endif | |
439 | ||
440 | ||
441 | static widget_value * | |
5f61736f RS |
442 | merge_widget_value (val1, val2, level) |
443 | widget_value* val1; | |
444 | widget_value* val2; | |
445 | int level; | |
07bf635f | 446 | { |
0c12a958 | 447 | change_type change, this_one_change; |
07bf635f RS |
448 | widget_value* merged_next; |
449 | widget_value* merged_contents; | |
450 | ||
451 | if (!val1) | |
452 | { | |
453 | if (val2) | |
454 | return copy_widget_value_tree (val2, STRUCTURAL_CHANGE); | |
455 | else | |
456 | return NULL; | |
457 | } | |
458 | if (!val2) | |
459 | { | |
460 | free_widget_value_tree (val1); | |
461 | return NULL; | |
462 | } | |
463 | ||
464 | change = NO_CHANGE; | |
465 | ||
466 | if (safe_strcmp (val1->name, val2->name)) | |
467 | { | |
468 | EXPLAIN (val1->name, change, STRUCTURAL_CHANGE, "name change", | |
469 | val1->name, val2->name); | |
470 | change = max (change, STRUCTURAL_CHANGE); | |
471 | safe_free_str (val1->name); | |
472 | val1->name = safe_strdup (val2->name); | |
473 | } | |
474 | if (safe_strcmp (val1->value, val2->value)) | |
475 | { | |
476 | EXPLAIN (val1->name, change, VISIBLE_CHANGE, "value change", | |
477 | val1->value, val2->value); | |
478 | change = max (change, VISIBLE_CHANGE); | |
479 | safe_free_str (val1->value); | |
480 | val1->value = safe_strdup (val2->value); | |
481 | } | |
482 | if (safe_strcmp (val1->key, val2->key)) | |
483 | { | |
484 | EXPLAIN (val1->name, change, VISIBLE_CHANGE, "key change", | |
485 | val1->key, val2->key); | |
486 | change = max (change, VISIBLE_CHANGE); | |
487 | safe_free_str (val1->key); | |
488 | val1->key = safe_strdup (val2->key); | |
489 | } | |
490 | if (val1->enabled != val2->enabled) | |
491 | { | |
492 | EXPLAIN (val1->name, change, VISIBLE_CHANGE, "enablement change", | |
493 | val1->enabled, val2->enabled); | |
494 | change = max (change, VISIBLE_CHANGE); | |
495 | val1->enabled = val2->enabled; | |
496 | } | |
da88f592 GM |
497 | if (val1->button_type != val2->button_type) |
498 | { | |
499 | EXPLAIN (val1->name, change, VISIBLE_CHANGE, "button type change", | |
500 | val1->button_type, val2->button_type); | |
501 | change = max (change, VISIBLE_CHANGE); | |
502 | val1->button_type = val2->button_type; | |
503 | } | |
07bf635f RS |
504 | if (val1->selected != val2->selected) |
505 | { | |
506 | EXPLAIN (val1->name, change, VISIBLE_CHANGE, "selection change", | |
507 | val1->selected, val2->selected); | |
508 | change = max (change, VISIBLE_CHANGE); | |
509 | val1->selected = val2->selected; | |
510 | } | |
511 | if (val1->call_data != val2->call_data) | |
512 | { | |
513 | EXPLAIN (val1->name, change, INVISIBLE_CHANGE, "call-data change", | |
514 | val1->call_data, val2->call_data); | |
515 | change = max (change, INVISIBLE_CHANGE); | |
516 | val1->call_data = val2->call_data; | |
517 | } | |
518 | ||
519 | if (level > 0) | |
520 | { | |
521 | merged_contents = | |
522 | merge_widget_value (val1->contents, val2->contents, level - 1); | |
523 | ||
524 | if (val1->contents && !merged_contents) | |
525 | { | |
7ef3956a RS |
526 | /* This used to say INVISIBLE_CHANGE, |
527 | but it is visible and vitally important when | |
528 | the contents of the menu bar itself are entirely deleted. | |
529 | ||
530 | But maybe it doesn't matter. This fails to fix the bug. */ | |
531 | EXPLAIN (val1->name, change, STRUCTURAL_CHANGE, "(contents gone)", | |
07bf635f | 532 | 0, 0); |
7ef3956a | 533 | change = max (change, STRUCTURAL_CHANGE); |
07bf635f RS |
534 | } |
535 | else if (merged_contents && merged_contents->change != NO_CHANGE) | |
536 | { | |
537 | EXPLAIN (val1->name, change, INVISIBLE_CHANGE, "(contents change)", | |
538 | 0, 0); | |
539 | change = max (change, INVISIBLE_CHANGE); | |
61069f2b | 540 | #if 0 /* This was replaced by the August 9 1996 change in lwlib-Xm.c. */ |
2fe6d204 RS |
541 | #ifdef USE_MOTIF |
542 | change = max (merged_contents->change, change); | |
61069f2b | 543 | #endif |
2fe6d204 | 544 | #endif |
07bf635f RS |
545 | } |
546 | ||
547 | val1->contents = merged_contents; | |
548 | } | |
549 | ||
0c12a958 RS |
550 | this_one_change = change; |
551 | ||
07bf635f RS |
552 | merged_next = merge_widget_value (val1->next, val2->next, level); |
553 | ||
554 | if (val1->next && !merged_next) | |
555 | { | |
556 | EXPLAIN (val1->name, change, STRUCTURAL_CHANGE, "(following gone)", | |
557 | 0, 0); | |
558 | change = max (change, STRUCTURAL_CHANGE); | |
559 | } | |
560 | else if (merged_next) | |
561 | { | |
562 | if (merged_next->change) | |
563 | EXPLAIN (val1->name, change, merged_next->change, "(following change)", | |
564 | 0, 0); | |
565 | change = max (change, merged_next->change); | |
566 | } | |
567 | ||
568 | val1->next = merged_next; | |
569 | ||
0c12a958 | 570 | val1->this_one_change = this_one_change; |
07bf635f RS |
571 | val1->change = change; |
572 | ||
573 | if (change > NO_CHANGE && val1->toolkit_data) | |
574 | { | |
575 | if (val1->free_toolkit_data) | |
53e28d2a | 576 | XtFree (val1->toolkit_data); |
07bf635f RS |
577 | val1->toolkit_data = NULL; |
578 | } | |
579 | ||
580 | return val1; | |
581 | } | |
582 | ||
583 | \f | |
584 | /* modifying the widgets */ | |
585 | static Widget | |
5f61736f RS |
586 | name_to_widget (instance, name) |
587 | widget_instance* instance; | |
588 | char* name; | |
07bf635f RS |
589 | { |
590 | Widget widget = NULL; | |
591 | ||
592 | if (!instance->widget) | |
593 | return NULL; | |
594 | ||
595 | if (!strcmp (XtName (instance->widget), name)) | |
596 | widget = instance->widget; | |
597 | else | |
598 | { | |
599 | int length = strlen (name) + 2; | |
f60044f5 | 600 | char* real_name = (char *) xmalloc (length); |
07bf635f RS |
601 | real_name [0] = '*'; |
602 | strcpy (real_name + 1, name); | |
603 | ||
604 | widget = XtNameToWidget (instance->widget, real_name); | |
f60044f5 RS |
605 | |
606 | free (real_name); | |
07bf635f RS |
607 | } |
608 | return widget; | |
609 | } | |
610 | ||
611 | static void | |
5f61736f RS |
612 | set_one_value (instance, val, deep_p) |
613 | widget_instance* instance; | |
614 | widget_value* val; | |
615 | Boolean deep_p; | |
07bf635f RS |
616 | { |
617 | Widget widget = name_to_widget (instance, val->name); | |
618 | ||
619 | if (widget) | |
620 | { | |
621 | #if defined (USE_LUCID) | |
622 | if (lw_lucid_widget_p (instance->widget)) | |
623 | xlw_update_one_widget (instance, widget, val, deep_p); | |
624 | #endif | |
625 | #if defined (USE_MOTIF) | |
626 | if (lw_motif_widget_p (instance->widget)) | |
627 | xm_update_one_widget (instance, widget, val, deep_p); | |
628 | #endif | |
629 | #if defined (USE_OLIT) | |
630 | if (lw_olit_widget_p (instance->widget)) | |
631 | xol_update_one_widget (instance, widget, val, deep_p); | |
9331cca8 FP |
632 | #endif |
633 | #if defined (USE_XAW) | |
634 | if (lw_xaw_widget_p (instance->widget)) | |
635 | xaw_update_one_widget (instance, widget, val, deep_p); | |
07bf635f RS |
636 | #endif |
637 | } | |
638 | } | |
639 | ||
640 | static void | |
5f61736f RS |
641 | update_one_widget_instance (instance, deep_p) |
642 | widget_instance* instance; | |
643 | Boolean deep_p; | |
07bf635f RS |
644 | { |
645 | widget_value *val; | |
646 | ||
647 | if (!instance->widget) | |
648 | /* the widget was destroyed */ | |
649 | return; | |
650 | ||
651 | for (val = instance->info->val; val; val = val->next) | |
652 | if (val->change != NO_CHANGE) | |
653 | set_one_value (instance, val, deep_p); | |
654 | } | |
655 | ||
656 | static void | |
5f61736f RS |
657 | update_all_widget_values (info, deep_p) |
658 | widget_info* info; | |
659 | Boolean deep_p; | |
07bf635f RS |
660 | { |
661 | widget_instance* instance; | |
662 | widget_value* val; | |
663 | ||
664 | for (instance = info->instances; instance; instance = instance->next) | |
665 | update_one_widget_instance (instance, deep_p); | |
666 | ||
667 | for (val = info->val; val; val = val->next) | |
668 | val->change = NO_CHANGE; | |
669 | } | |
670 | ||
671 | void | |
5f61736f RS |
672 | lw_modify_all_widgets (id, val, deep_p) |
673 | LWLIB_ID id; | |
674 | widget_value* val; | |
675 | Boolean deep_p; | |
07bf635f RS |
676 | { |
677 | widget_info* info = get_widget_info (id, False); | |
678 | widget_value* new_val; | |
679 | widget_value* next_new_val; | |
680 | widget_value* cur; | |
681 | widget_value* prev; | |
682 | widget_value* next; | |
683 | int found; | |
684 | ||
685 | if (!info) | |
686 | return; | |
687 | ||
688 | for (new_val = val; new_val; new_val = new_val->next) | |
689 | { | |
690 | next_new_val = new_val->next; | |
691 | new_val->next = NULL; | |
692 | found = False; | |
693 | for (prev = NULL, cur = info->val; cur; prev = cur, cur = cur->next) | |
694 | if (!strcmp (cur->name, new_val->name)) | |
695 | { | |
696 | found = True; | |
697 | next = cur->next; | |
698 | cur->next = NULL; | |
699 | cur = merge_widget_value (cur, new_val, deep_p ? 1000 : 1); | |
700 | if (prev) | |
701 | prev->next = cur ? cur : next; | |
702 | else | |
703 | info->val = cur ? cur : next; | |
704 | if (cur) | |
705 | cur->next = next; | |
706 | break; | |
707 | } | |
708 | if (!found) | |
709 | { | |
710 | /* Could not find it, add it */ | |
711 | if (prev) | |
712 | prev->next = copy_widget_value_tree (new_val, STRUCTURAL_CHANGE); | |
713 | else | |
714 | info->val = copy_widget_value_tree (new_val, STRUCTURAL_CHANGE); | |
715 | } | |
716 | new_val->next = next_new_val; | |
717 | } | |
718 | ||
719 | update_all_widget_values (info, deep_p); | |
720 | } | |
721 | ||
722 | \f | |
723 | /* creating the widgets */ | |
724 | ||
725 | static void | |
5f61736f RS |
726 | initialize_widget_instance (instance) |
727 | widget_instance* instance; | |
07bf635f RS |
728 | { |
729 | widget_value* val; | |
730 | ||
731 | for (val = instance->info->val; val; val = val->next) | |
732 | val->change = STRUCTURAL_CHANGE; | |
733 | ||
734 | update_one_widget_instance (instance, True); | |
735 | ||
736 | for (val = instance->info->val; val; val = val->next) | |
737 | val->change = NO_CHANGE; | |
738 | } | |
739 | ||
740 | ||
741 | static widget_creation_function | |
5f61736f RS |
742 | find_in_table (type, table) |
743 | char* type; | |
744 | widget_creation_entry* table; | |
07bf635f RS |
745 | { |
746 | widget_creation_entry* cur; | |
747 | for (cur = table; cur->type; cur++) | |
ed9c1473 | 748 | if (!my_strcasecmp (type, cur->type)) |
07bf635f RS |
749 | return cur->function; |
750 | return NULL; | |
751 | } | |
752 | ||
753 | static Boolean | |
5f61736f RS |
754 | dialog_spec_p (name) |
755 | char* name; | |
07bf635f RS |
756 | { |
757 | /* return True if name matches [EILPQeilpq][1-9][Bb] or | |
758 | [EILPQeilpq][1-9][Bb][Rr][1-9] */ | |
759 | if (!name) | |
760 | return False; | |
761 | ||
762 | switch (name [0]) | |
763 | { | |
764 | case 'E': case 'I': case 'L': case 'P': case 'Q': | |
765 | case 'e': case 'i': case 'l': case 'p': case 'q': | |
766 | if (name [1] >= '0' && name [1] <= '9') | |
767 | { | |
768 | if (name [2] != 'B' && name [2] != 'b') | |
769 | return False; | |
770 | if (!name [3]) | |
771 | return True; | |
772 | if ((name [3] == 'T' || name [3] == 't') && !name [4]) | |
773 | return True; | |
774 | if ((name [3] == 'R' || name [3] == 'r') | |
775 | && name [4] >= '0' && name [4] <= '9' && !name [5]) | |
776 | return True; | |
777 | return False; | |
778 | } | |
779 | else | |
780 | return False; | |
781 | ||
782 | default: | |
783 | return False; | |
784 | } | |
785 | } | |
786 | ||
787 | static void | |
7ef3956a | 788 | instantiate_widget_instance (instance) |
5f61736f | 789 | widget_instance* instance; |
07bf635f RS |
790 | { |
791 | widget_creation_function function = NULL; | |
792 | ||
793 | #if defined (USE_LUCID) | |
794 | if (!function) | |
795 | function = find_in_table (instance->info->type, xlw_creation_table); | |
796 | #endif | |
797 | #if defined(USE_MOTIF) | |
798 | if (!function) | |
799 | function = find_in_table (instance->info->type, xm_creation_table); | |
800 | #endif | |
801 | #if defined (USE_OLIT) | |
802 | if (!function) | |
803 | function = find_in_table (instance->info->type, xol_creation_table); | |
804 | #endif | |
9331cca8 FP |
805 | #if defined (USE_XAW) |
806 | if (!function) | |
807 | function = find_in_table (instance->info->type, xaw_creation_table); | |
808 | #endif | |
07bf635f RS |
809 | |
810 | if (!function) | |
811 | { | |
812 | if (dialog_spec_p (instance->info->type)) | |
813 | { | |
814 | #if defined (USE_LUCID) | |
815 | /* not yet */ | |
816 | #endif | |
817 | #if defined(USE_MOTIF) | |
818 | if (!function) | |
819 | function = xm_create_dialog; | |
820 | #endif | |
9331cca8 FP |
821 | #if defined (USE_XAW) |
822 | if (!function) | |
823 | function = xaw_create_dialog; | |
824 | #endif | |
07bf635f RS |
825 | #if defined (USE_OLIT) |
826 | /* not yet */ | |
827 | #endif | |
828 | } | |
829 | } | |
830 | ||
831 | if (!function) | |
832 | { | |
833 | printf ("No creation function for widget type %s\n", | |
834 | instance->info->type); | |
835 | abort (); | |
836 | } | |
837 | ||
838 | instance->widget = (*function) (instance); | |
839 | ||
840 | if (!instance->widget) | |
841 | abort (); | |
842 | ||
843 | /* XtRealizeWidget (instance->widget);*/ | |
844 | } | |
845 | ||
846 | void | |
5f61736f RS |
847 | lw_register_widget (type, name, id, val, pre_activate_cb, selection_cb, post_activate_cb) |
848 | char* type; | |
849 | char* name; | |
850 | LWLIB_ID id; | |
851 | widget_value* val; | |
852 | lw_callback pre_activate_cb; | |
853 | lw_callback selection_cb; | |
854 | lw_callback post_activate_cb; | |
07bf635f RS |
855 | { |
856 | if (!get_widget_info (id, False)) | |
857 | allocate_widget_info (type, name, id, val, pre_activate_cb, selection_cb, | |
858 | post_activate_cb); | |
859 | } | |
860 | ||
861 | Widget | |
5f61736f RS |
862 | lw_get_widget (id, parent, pop_up_p) |
863 | LWLIB_ID id; | |
864 | Widget parent; | |
865 | Boolean pop_up_p; | |
07bf635f RS |
866 | { |
867 | widget_instance* instance; | |
868 | ||
869 | instance = find_instance (id, parent, pop_up_p); | |
870 | return instance ? instance->widget : NULL; | |
871 | } | |
872 | ||
873 | Widget | |
5f61736f RS |
874 | lw_make_widget (id, parent, pop_up_p) |
875 | LWLIB_ID id; | |
876 | Widget parent; | |
877 | Boolean pop_up_p; | |
07bf635f RS |
878 | { |
879 | widget_instance* instance; | |
880 | widget_info* info; | |
881 | ||
882 | instance = find_instance (id, parent, pop_up_p); | |
883 | if (!instance) | |
884 | { | |
885 | info = get_widget_info (id, False); | |
886 | if (!info) | |
887 | return NULL; | |
888 | instance = allocate_widget_instance (info, parent, pop_up_p); | |
889 | initialize_widget_instance (instance); | |
890 | } | |
891 | if (!instance->widget) | |
892 | abort (); | |
893 | return instance->widget; | |
894 | } | |
895 | ||
896 | Widget | |
5f61736f RS |
897 | lw_create_widget (type, name, id, val, parent, pop_up_p, pre_activate_cb, selection_cb, post_activate_cb) |
898 | char* type; | |
899 | char* name; | |
900 | LWLIB_ID id; | |
901 | widget_value* val; | |
902 | Widget parent; | |
903 | Boolean pop_up_p; | |
904 | lw_callback pre_activate_cb; | |
905 | lw_callback selection_cb; | |
906 | lw_callback post_activate_cb; | |
07bf635f RS |
907 | { |
908 | lw_register_widget (type, name, id, val, pre_activate_cb, selection_cb, | |
909 | post_activate_cb); | |
910 | return lw_make_widget (id, parent, pop_up_p); | |
911 | } | |
912 | ||
913 | \f | |
914 | /* destroying the widgets */ | |
915 | static void | |
5f61736f RS |
916 | destroy_one_instance (instance) |
917 | widget_instance* instance; | |
07bf635f RS |
918 | { |
919 | /* Remove the destroy callback on the widget; that callback will try to | |
920 | dereference the instance object (to set its widget slot to 0, since the | |
921 | widget is dead.) Since the instance is now dead, we don't have to worry | |
922 | about the fact that its widget is dead too. | |
923 | ||
924 | This happens in the Phase2Destroy of the widget, so this callback would | |
925 | not have been run until arbitrarily long after the instance was freed. | |
926 | */ | |
927 | if (instance->widget) | |
928 | XtRemoveCallback (instance->widget, XtNdestroyCallback, | |
929 | mark_widget_destroyed, (XtPointer)instance); | |
930 | ||
931 | if (instance->widget) | |
932 | { | |
933 | /* The else are pretty tricky here, including the empty statement | |
934 | at the end because it would be very bad to destroy a widget | |
935 | twice. */ | |
936 | #if defined (USE_LUCID) | |
937 | if (lw_lucid_widget_p (instance->widget)) | |
938 | xlw_destroy_instance (instance); | |
939 | else | |
940 | #endif | |
941 | #if defined (USE_MOTIF) | |
942 | if (lw_motif_widget_p (instance->widget)) | |
943 | xm_destroy_instance (instance); | |
944 | else | |
945 | #endif | |
946 | #if defined (USE_OLIT) | |
947 | if (lw_olit_widget_p (instance->widget)) | |
948 | xol_destroy_instance (instance); | |
949 | else | |
9331cca8 FP |
950 | #endif |
951 | #if defined (USE_XAW) | |
952 | if (lw_xaw_widget_p (instance->widget)) | |
953 | xaw_destroy_instance (instance); | |
954 | else | |
07bf635f RS |
955 | #endif |
956 | /* do not remove the empty statement */ | |
957 | ; | |
958 | } | |
959 | ||
960 | free_widget_instance (instance); | |
961 | } | |
962 | ||
963 | void | |
5f61736f RS |
964 | lw_destroy_widget (w) |
965 | Widget w; | |
07bf635f RS |
966 | { |
967 | widget_instance* instance = get_widget_instance (w, True); | |
968 | ||
969 | if (instance) | |
970 | { | |
971 | widget_info *info = instance->info; | |
972 | /* instance has already been removed from the list; free it */ | |
973 | destroy_one_instance (instance); | |
974 | /* if there are no instances left, free the info too */ | |
975 | if (!info->instances) | |
976 | lw_destroy_all_widgets (info->id); | |
977 | } | |
978 | } | |
979 | ||
980 | void | |
5f61736f RS |
981 | lw_destroy_all_widgets (id) |
982 | LWLIB_ID id; | |
07bf635f RS |
983 | { |
984 | widget_info* info = get_widget_info (id, True); | |
985 | widget_instance* instance; | |
986 | widget_instance* next; | |
987 | ||
988 | if (info) | |
989 | { | |
990 | for (instance = info->instances; instance; ) | |
991 | { | |
992 | next = instance->next; | |
993 | destroy_one_instance (instance); | |
994 | instance = next; | |
995 | } | |
996 | free_widget_info (info); | |
997 | } | |
998 | } | |
999 | ||
1000 | void | |
1001 | lw_destroy_everything () | |
1002 | { | |
1003 | while (all_widget_info) | |
1004 | lw_destroy_all_widgets (all_widget_info->id); | |
1005 | } | |
1006 | ||
1007 | void | |
1008 | lw_destroy_all_pop_ups () | |
1009 | { | |
1010 | widget_info* info; | |
1011 | widget_info* next; | |
1012 | widget_instance* instance; | |
1013 | ||
1014 | for (info = all_widget_info; info; info = next) | |
1015 | { | |
1016 | next = info->next; | |
1017 | instance = info->instances; | |
1018 | if (instance && instance->pop_up_p) | |
1019 | lw_destroy_all_widgets (info->id); | |
1020 | } | |
1021 | } | |
1022 | ||
1023 | #ifdef USE_MOTIF | |
9e3fe459 | 1024 | extern Widget first_child (/* Widget */); /* garbage */ |
07bf635f RS |
1025 | #endif |
1026 | ||
1027 | Widget | |
1028 | lw_raise_all_pop_up_widgets () | |
1029 | { | |
1030 | widget_info* info; | |
1031 | widget_instance* instance; | |
1032 | Widget result = NULL; | |
1033 | ||
1034 | for (info = all_widget_info; info; info = info->next) | |
1035 | for (instance = info->instances; instance; instance = instance->next) | |
1036 | if (instance->pop_up_p) | |
1037 | { | |
1038 | Widget widget = instance->widget; | |
1039 | if (widget) | |
1040 | { | |
1041 | if (XtIsManaged (widget) | |
1042 | #ifdef USE_MOTIF | |
1043 | /* What a complete load of crap!!!! | |
1044 | When a dialogShell is on the screen, it is not managed! | |
1045 | */ | |
1046 | || (lw_motif_widget_p (instance->widget) && | |
1047 | XtIsManaged (first_child (widget))) | |
1048 | #endif | |
1049 | ) | |
1050 | { | |
1051 | if (!result) | |
1052 | result = widget; | |
1053 | XMapRaised (XtDisplay (widget), XtWindow (widget)); | |
1054 | } | |
1055 | } | |
1056 | } | |
1057 | return result; | |
1058 | } | |
1059 | ||
1060 | static void | |
5f61736f RS |
1061 | lw_pop_all_widgets (id, up) |
1062 | LWLIB_ID id; | |
1063 | Boolean up; | |
07bf635f RS |
1064 | { |
1065 | widget_info* info = get_widget_info (id, False); | |
1066 | widget_instance* instance; | |
1067 | ||
1068 | if (info) | |
1069 | for (instance = info->instances; instance; instance = instance->next) | |
1070 | if (instance->pop_up_p && instance->widget) | |
1071 | { | |
07bf635f RS |
1072 | #if defined (USE_LUCID) |
1073 | if (lw_lucid_widget_p (instance->widget)) | |
9331cca8 FP |
1074 | { |
1075 | XtRealizeWidget (instance->widget); | |
1076 | xlw_pop_instance (instance, up); | |
1077 | } | |
07bf635f RS |
1078 | #endif |
1079 | #if defined (USE_MOTIF) | |
1080 | if (lw_motif_widget_p (instance->widget)) | |
9331cca8 FP |
1081 | { |
1082 | XtRealizeWidget (instance->widget); | |
1083 | xm_pop_instance (instance, up); | |
1084 | } | |
07bf635f RS |
1085 | #endif |
1086 | #if defined (USE_OLIT) | |
1087 | if (lw_olit_widget_p (instance->widget)) | |
9331cca8 FP |
1088 | { |
1089 | XtRealizeWidget (instance->widget); | |
1090 | xol_pop_instance (instance, up); | |
1091 | } | |
1092 | #endif | |
1093 | #if defined (USE_XAW) | |
1094 | if (lw_xaw_widget_p (instance->widget)) | |
1095 | { | |
1096 | XtRealizeWidget (XtParent (instance->widget)); | |
1097 | XtRealizeWidget (instance->widget); | |
1098 | xaw_pop_instance (instance, up); | |
1099 | } | |
07bf635f RS |
1100 | #endif |
1101 | } | |
1102 | } | |
1103 | ||
1104 | void | |
5f61736f RS |
1105 | lw_pop_up_all_widgets (id) |
1106 | LWLIB_ID id; | |
07bf635f RS |
1107 | { |
1108 | lw_pop_all_widgets (id, True); | |
1109 | } | |
1110 | ||
1111 | void | |
5f61736f RS |
1112 | lw_pop_down_all_widgets (id) |
1113 | LWLIB_ID id; | |
07bf635f RS |
1114 | { |
1115 | lw_pop_all_widgets (id, False); | |
1116 | } | |
1117 | ||
1118 | void | |
5b3b31d6 | 1119 | lw_popup_menu (widget, event) |
5f61736f | 1120 | Widget widget; |
5b3b31d6 | 1121 | XEvent *event; |
07bf635f RS |
1122 | { |
1123 | #if defined (USE_LUCID) | |
1124 | if (lw_lucid_widget_p (widget)) | |
5b3b31d6 | 1125 | xlw_popup_menu (widget, event); |
07bf635f RS |
1126 | #endif |
1127 | #if defined (USE_MOTIF) | |
1128 | if (lw_motif_widget_p (widget)) | |
5b3b31d6 | 1129 | xm_popup_menu (widget, event); |
07bf635f RS |
1130 | #endif |
1131 | #if defined (USE_OLIT) | |
1132 | if (lw_olit_widget_p (widget)) | |
5b3b31d6 | 1133 | xol_popup_menu (widget, event); |
07bf635f | 1134 | #endif |
9331cca8 FP |
1135 | #if defined (USE_XAW) |
1136 | if (lw_xaw_widget_p (widget)) | |
5b3b31d6 | 1137 | xaw_popup_menu (widget, event); |
9331cca8 | 1138 | #endif |
07bf635f RS |
1139 | } |
1140 | ||
1141 | \f/* get the values back */ | |
1142 | static Boolean | |
5f61736f RS |
1143 | get_one_value (instance, val) |
1144 | widget_instance* instance; | |
1145 | widget_value* val; | |
07bf635f RS |
1146 | { |
1147 | Widget widget = name_to_widget (instance, val->name); | |
1148 | ||
1149 | if (widget) | |
1150 | { | |
1151 | #if defined (USE_LUCID) | |
1152 | if (lw_lucid_widget_p (instance->widget)) | |
1153 | xlw_update_one_value (instance, widget, val); | |
1154 | #endif | |
1155 | #if defined (USE_MOTIF) | |
1156 | if (lw_motif_widget_p (instance->widget)) | |
1157 | xm_update_one_value (instance, widget, val); | |
1158 | #endif | |
1159 | #if defined (USE_OLIT) | |
1160 | if (lw_olit_widget_p (instance->widget)) | |
1161 | xol_update_one_value (instance, widget, val); | |
9331cca8 FP |
1162 | #endif |
1163 | #if defined (USE_XAW) | |
1164 | if (lw_xaw_widget_p (instance->widget)) | |
1165 | xaw_update_one_value (instance, widget, val); | |
07bf635f RS |
1166 | #endif |
1167 | return True; | |
1168 | } | |
1169 | else | |
1170 | return False; | |
1171 | } | |
1172 | ||
1173 | Boolean | |
5f61736f RS |
1174 | lw_get_some_values (id, val_out) |
1175 | LWLIB_ID id; | |
1176 | widget_value* val_out; | |
07bf635f RS |
1177 | { |
1178 | widget_info* info = get_widget_info (id, False); | |
1179 | widget_instance* instance; | |
1180 | widget_value* val; | |
1181 | Boolean result = False; | |
1182 | ||
1183 | if (!info) | |
1184 | return False; | |
1185 | ||
1186 | instance = info->instances; | |
1187 | if (!instance) | |
1188 | return False; | |
1189 | ||
1190 | for (val = val_out; val; val = val->next) | |
1191 | if (get_one_value (instance, val)) | |
1192 | result = True; | |
1193 | ||
1194 | return result; | |
1195 | } | |
1196 | ||
1197 | widget_value* | |
5f61736f RS |
1198 | lw_get_all_values (id) |
1199 | LWLIB_ID id; | |
07bf635f RS |
1200 | { |
1201 | widget_info* info = get_widget_info (id, False); | |
1202 | widget_value* val = info->val; | |
1203 | if (lw_get_some_values (id, val)) | |
1204 | return val; | |
1205 | else | |
1206 | return NULL; | |
1207 | } | |
1208 | ||
1209 | /* internal function used by the library dependent implementation to get the | |
1210 | widget_value for a given widget in an instance */ | |
1211 | widget_value* | |
5f61736f RS |
1212 | lw_get_widget_value_for_widget (instance, w) |
1213 | widget_instance* instance; | |
1214 | Widget w; | |
07bf635f RS |
1215 | { |
1216 | char* name = XtName (w); | |
1217 | widget_value* cur; | |
1218 | for (cur = instance->info->val; cur; cur = cur->next) | |
1219 | if (!strcmp (cur->name, name)) | |
1220 | return cur; | |
1221 | return NULL; | |
1222 | } | |
1223 | ||
1224 | \f/* update other instances value when one thing changed */ | |
bd2c5b53 KH |
1225 | |
1226 | /* To forbid recursive calls */ | |
1227 | static Boolean lwlib_updating; | |
1228 | ||
07bf635f RS |
1229 | /* This function can be used as a an XtCallback for the widgets that get |
1230 | modified to update other instances of the widgets. Closure should be the | |
1231 | widget_instance. */ | |
1232 | void | |
5f61736f RS |
1233 | lw_internal_update_other_instances (widget, closure, call_data) |
1234 | Widget widget; | |
1235 | XtPointer closure; | |
1236 | XtPointer call_data; | |
07bf635f | 1237 | { |
07bf635f RS |
1238 | widget_instance* instance = (widget_instance*)closure; |
1239 | char* name = XtName (widget); | |
1240 | widget_info* info; | |
1241 | widget_instance* cur; | |
1242 | widget_value* val; | |
1243 | ||
bd2c5b53 KH |
1244 | /* Avoid possibly infinite recursion. */ |
1245 | if (lwlib_updating) | |
07bf635f RS |
1246 | return; |
1247 | ||
1248 | /* protect against the widget being destroyed */ | |
1249 | if (XtWidgetBeingDestroyedP (widget)) | |
1250 | return; | |
1251 | ||
1252 | /* Return immediately if there are no other instances */ | |
1253 | info = instance->info; | |
1254 | if (!info->instances->next) | |
1255 | return; | |
1256 | ||
bd2c5b53 | 1257 | lwlib_updating = True; |
07bf635f RS |
1258 | |
1259 | for (val = info->val; val && strcmp (val->name, name); val = val->next); | |
1260 | ||
1261 | if (val && get_one_value (instance, val)) | |
1262 | for (cur = info->instances; cur; cur = cur->next) | |
1263 | if (cur != instance) | |
1264 | set_one_value (cur, val, True); | |
1265 | ||
bd2c5b53 | 1266 | lwlib_updating = False; |
07bf635f RS |
1267 | } |
1268 | ||
1269 | ||
1270 | \f/* get the id */ | |
1271 | ||
1272 | LWLIB_ID | |
5f61736f RS |
1273 | lw_get_widget_id (w) |
1274 | Widget w; | |
07bf635f RS |
1275 | { |
1276 | widget_instance* instance = get_widget_instance (w, False); | |
1277 | ||
1278 | return instance ? instance->info->id : 0; | |
1279 | } | |
1280 | ||
1281 | \f/* set the keyboard focus */ | |
1282 | void | |
5f61736f RS |
1283 | lw_set_keyboard_focus (parent, w) |
1284 | Widget parent; | |
1285 | Widget w; | |
07bf635f RS |
1286 | { |
1287 | #if defined (USE_MOTIF) | |
1288 | xm_set_keyboard_focus (parent, w); | |
1289 | #else | |
1290 | XtSetKeyboardFocus (parent, w); | |
1291 | #endif | |
1292 | } | |
1293 | ||
1294 | \f/* Show busy */ | |
1295 | static void | |
5f61736f RS |
1296 | show_one_widget_busy (w, flag) |
1297 | Widget w; | |
1298 | Boolean flag; | |
07bf635f RS |
1299 | { |
1300 | Pixel foreground = 0; | |
1301 | Pixel background = 1; | |
1302 | Widget widget_to_invert = XtNameToWidget (w, "*sheet"); | |
1303 | if (!widget_to_invert) | |
1304 | widget_to_invert = w; | |
1305 | ||
1306 | XtVaGetValues (widget_to_invert, | |
1307 | XtNforeground, &foreground, | |
1308 | XtNbackground, &background, | |
1309 | 0); | |
1310 | XtVaSetValues (widget_to_invert, | |
1311 | XtNforeground, background, | |
1312 | XtNbackground, foreground, | |
1313 | 0); | |
1314 | } | |
1315 | ||
1316 | void | |
5f61736f RS |
1317 | lw_show_busy (w, busy) |
1318 | Widget w; | |
1319 | Boolean busy; | |
07bf635f RS |
1320 | { |
1321 | widget_instance* instance = get_widget_instance (w, False); | |
1322 | widget_info* info; | |
1323 | widget_instance* next; | |
1324 | ||
1325 | if (instance) | |
1326 | { | |
1327 | info = instance->info; | |
1328 | if (info->busy != busy) | |
1329 | { | |
1330 | for (next = info->instances; next; next = next->next) | |
1331 | if (next->widget) | |
1332 | show_one_widget_busy (next->widget, busy); | |
1333 | info->busy = busy; | |
1334 | } | |
1335 | } | |
1336 | } | |
2af91681 PR |
1337 | |
1338 | /* This hack exists because Lucid/Athena need to execute the strange | |
1339 | function below to support geometry management. */ | |
1340 | void | |
1341 | lw_refigure_widget (w, doit) | |
1342 | Widget w; | |
1343 | Boolean doit; | |
1344 | { | |
e1241f09 | 1345 | #if defined (USE_XAW) |
2af91681 PR |
1346 | XawPanedSetRefigureMode (w, doit); |
1347 | #endif | |
1348 | #if defined (USE_MOTIF) | |
1349 | if (doit) | |
2af91681 | 1350 | XtManageChild (w); |
a61155bc RS |
1351 | else |
1352 | XtUnmanageChild (w); | |
2af91681 PR |
1353 | #endif |
1354 | } | |
1355 | ||
1356 | /* Toolkit independent way of determining if an event window is in the | |
1357 | menubar. */ | |
1358 | Boolean | |
1359 | lw_window_is_in_menubar (win, menubar_widget) | |
1360 | Window win; | |
1361 | Widget menubar_widget; | |
1362 | { | |
1363 | return menubar_widget | |
1364 | #if defined (USE_LUCID) | |
1365 | && XtWindow (menubar_widget) == win; | |
1366 | #endif | |
1367 | #if defined (USE_MOTIF) | |
c17d59fc RS |
1368 | && ((XtWindow (menubar_widget) == win) |
1369 | || (XtWindowToWidget (XtDisplay (menubar_widget), win) | |
1370 | && (XtParent (XtWindowToWidget (XtDisplay (menubar_widget), win)) | |
1371 | == menubar_widget))); | |
2af91681 PR |
1372 | #endif |
1373 | } | |
1374 | ||
1375 | /* Motif hack to set the main window areas. */ | |
1376 | void | |
1377 | lw_set_main_areas (parent, menubar, work_area) | |
1378 | Widget parent; | |
1379 | Widget menubar; | |
1380 | Widget work_area; | |
1381 | { | |
1382 | #if defined (USE_MOTIF) | |
6618806e | 1383 | xm_set_main_areas (parent, menubar, work_area); |
2af91681 PR |
1384 | #endif |
1385 | } | |
1386 | ||
1387 | /* Manage resizing for Motif. This disables resizing when the menubar | |
1388 | is about to be modified. */ | |
1389 | void | |
1390 | lw_allow_resizing (w, flag) | |
1391 | Widget w; | |
1392 | Boolean flag; | |
1393 | { | |
1394 | #if defined (USE_MOTIF) | |
f78c5177 | 1395 | xm_manage_resizing (w, flag); |
2af91681 PR |
1396 | #endif |
1397 | } | |
da88f592 GM |
1398 | |
1399 | ||
1400 | /* Value is non-zero if LABEL is a menu separator. If it is, *TYPE is | |
1401 | set to an appropriate enumerator of type enum menu_separator. | |
1402 | MOTIF_P non-zero means map separator types not supported by Motif | |
1403 | to similar ones that are supported. */ | |
1404 | ||
1405 | int | |
1406 | lw_separator_p (label, type, motif_p) | |
1407 | char *label; | |
1408 | enum menu_separator *type; | |
1409 | int motif_p; | |
1410 | { | |
1411 | int separator_p; | |
1412 | ||
1413 | if (strlen (label) >= 3 | |
1414 | && bcmp (label, "--:", 3) == 0) | |
1415 | { | |
1416 | static struct separator_table | |
1417 | { | |
1418 | char *name; | |
1419 | enum menu_separator type; | |
1420 | } | |
1421 | separator_names[] = | |
1422 | { | |
61e59c1d | 1423 | "space", SEPARATOR_NO_LINE, |
da88f592 GM |
1424 | "noLine", SEPARATOR_NO_LINE, |
1425 | "singleLine", SEPARATOR_SINGLE_LINE, | |
1426 | "doubleLine", SEPARATOR_DOUBLE_LINE, | |
1427 | "singleDashedLine", SEPARATOR_SINGLE_DASHED_LINE, | |
1428 | "doubleDashedLine", SEPARATOR_DOUBLE_DASHED_LINE, | |
1429 | "shadowEtchedIn", SEPARATOR_SHADOW_ETCHED_IN, | |
1430 | "shadowEtchedOut", SEPARATOR_SHADOW_ETCHED_OUT, | |
1431 | "shadowEtchedInDash", SEPARATOR_SHADOW_ETCHED_IN_DASH, | |
1432 | "shadowEtchedOutDash", SEPARATOR_SHADOW_ETCHED_OUT_DASH, | |
1433 | "shadowDoubleEtchedIn", SEPARATOR_SHADOW_DOUBLE_ETCHED_IN, | |
1434 | "shadowDoubleEtchedOut", SEPARATOR_SHADOW_DOUBLE_ETCHED_OUT, | |
1435 | "shadowDoubleEtchedInDash", SEPARATOR_SHADOW_DOUBLE_ETCHED_IN_DASH, | |
1436 | "shadowDoubleEtchedOutDash", SEPARATOR_SHADOW_DOUBLE_ETCHED_OUT_DASH, | |
1437 | 0 | |
1438 | }; | |
1439 | ||
1440 | int i; | |
1441 | ||
1442 | label += 3; | |
1443 | for (i = 0; separator_names[i].name; ++i) | |
1444 | if (strcmp (label, separator_names[i].name) == 0) | |
1445 | { | |
1446 | separator_p = 1; | |
1447 | *type = separator_names[i].type; | |
1448 | ||
2af98732 GM |
1449 | /* If separator type is not supported under Motif, |
1450 | use a similar one. */ | |
1451 | if (motif_p && *type >= SEPARATOR_SHADOW_DOUBLE_ETCHED_IN) | |
1452 | *type -= 4; | |
1453 | break; | |
1454 | } | |
1455 | } | |
1456 | else if (strlen (label) > 3 | |
1457 | && bcmp (label, "--", 2) == 0) | |
1458 | { | |
1459 | /* Alternative, more Emacs-style names. */ | |
1460 | static struct separator_table | |
1461 | { | |
1462 | char *name; | |
1463 | enum menu_separator type; | |
1464 | } | |
1465 | separator_names[] = | |
1466 | { | |
1467 | "space", SEPARATOR_NO_LINE, | |
1468 | "no-line", SEPARATOR_NO_LINE, | |
1469 | "single-line", SEPARATOR_SINGLE_LINE, | |
1470 | "double-line", SEPARATOR_DOUBLE_LINE, | |
1471 | "single-dashed-line", SEPARATOR_SINGLE_DASHED_LINE, | |
1472 | "double-dashed-line", SEPARATOR_DOUBLE_DASHED_LINE, | |
1473 | "shadow-etched-in", SEPARATOR_SHADOW_ETCHED_IN, | |
1474 | "shadow-etched-out", SEPARATOR_SHADOW_ETCHED_OUT, | |
1475 | "shadow-etched-in-dash", SEPARATOR_SHADOW_ETCHED_IN_DASH, | |
1476 | "shadow-etched-out-dash", SEPARATOR_SHADOW_ETCHED_OUT_DASH, | |
1477 | "shadow-double-etched-in", SEPARATOR_SHADOW_DOUBLE_ETCHED_IN, | |
1478 | "shadow-double-etched-out", SEPARATOR_SHADOW_DOUBLE_ETCHED_OUT, | |
1479 | "shadow-double-etched-in-dash", SEPARATOR_SHADOW_DOUBLE_ETCHED_IN_DASH, | |
1480 | "shadow-double-etched-out-dash",SEPARATOR_SHADOW_DOUBLE_ETCHED_OUT_DASH, | |
1481 | 0 | |
1482 | }; | |
1483 | ||
1484 | int i; | |
1485 | ||
1486 | label += 2; | |
1487 | for (i = 0; separator_names[i].name; ++i) | |
1488 | if (strcmp (label, separator_names[i].name) == 0) | |
1489 | { | |
1490 | separator_p = 1; | |
1491 | *type = separator_names[i].type; | |
1492 | ||
da88f592 GM |
1493 | /* If separator type is not supported under Motif, |
1494 | use a similar one. */ | |
1495 | if (motif_p && *type >= SEPARATOR_SHADOW_DOUBLE_ETCHED_IN) | |
1496 | *type -= 4; | |
1497 | break; | |
1498 | } | |
1499 | } | |
1500 | else | |
1501 | { | |
1502 | /* Old-style separator, maybe. It's a separator if it contains | |
1503 | only dashes. */ | |
1504 | while (*label == '-') | |
1505 | ++label; | |
1506 | separator_p = *label == 0; | |
1507 | *type = SEPARATOR_SHADOW_ETCHED_IN; | |
1508 | } | |
1509 | ||
1510 | return separator_p; | |
1511 | } | |
1512 |