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