Commit | Line | Data |
---|---|---|
07bf635f | 1 | /* A general interface to the widgets of different toolkits. |
67f02b82 | 2 | |
4424d48a | 3 | Copyright (C) 1992, 1993 Lucid, Inc. |
ba318903 | 4 | Copyright (C) 1994-1996, 1999-2014 Free Software Foundation, Inc. |
07bf635f RS |
5 | |
6 | This file is part of the Lucid Widget Library. | |
7 | ||
177c0ea7 | 8 | The Lucid Widget Library is free software; you can redistribute it and/or |
07bf635f | 9 | modify it under the terms of the GNU General Public License as published by |
2aa86c0f | 10 | the Free Software Foundation; either version 2, or (at your option) |
07bf635f RS |
11 | any later version. |
12 | ||
13 | The Lucid Widget Library is distributed in the hope that it will be useful, | |
177c0ea7 | 14 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
07bf635f RS |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
16 | GNU General Public License for more details. | |
17 | ||
18 | You should have received a copy of the GNU General Public License | |
fee0bd5f | 19 | along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */ |
07bf635f | 20 | |
0f0912e6 | 21 | #include <config.h> |
0f0912e6 | 22 | |
d7306fe6 | 23 | #include <setjmp.h> |
67f02b82 | 24 | #include <lisp.h> |
fee5959d | 25 | #include <c-strcase.h> |
a3bf8a8c | 26 | |
07bf635f | 27 | #include <sys/types.h> |
07bf635f | 28 | #include <stdio.h> |
e7818b5a | 29 | #include "lwlib-int.h" |
07bf635f | 30 | #include "lwlib-utils.h" |
01492d1b | 31 | #include <X11/StringDefs.h> |
07bf635f | 32 | |
07bf635f RS |
33 | #if defined (USE_LUCID) |
34 | #include "lwlib-Xlw.h" | |
35 | #endif | |
36 | #if defined (USE_MOTIF) | |
37 | #include "lwlib-Xm.h" | |
ce5a08a1 FP |
38 | #else /* not USE_MOTIF */ |
39 | #if defined (USE_LUCID) | |
40 | #define USE_XAW | |
41 | #endif /* not USE_MOTIF && USE_LUCID */ | |
07bf635f | 42 | #endif |
9331cca8 | 43 | #if defined (USE_XAW) |
5262c5c7 CY |
44 | #ifdef HAVE_XAW3D |
45 | #include <X11/Xaw3d/Paned.h> | |
46 | #else /* !HAVE_XAW3D */ | |
cec17865 | 47 | #include <X11/Xaw/Paned.h> |
5262c5c7 | 48 | #endif /* HAVE_XAW3D */ |
9331cca8 FP |
49 | #include "lwlib-Xaw.h" |
50 | #endif | |
07bf635f | 51 | |
db0e17de DL |
52 | #if !defined (USE_LUCID) && !defined (USE_MOTIF) |
53 | #error At least one of USE_LUCID or USE_MOTIF must be defined. | |
07bf635f RS |
54 | #endif |
55 | ||
2af91681 PR |
56 | #ifndef max |
57 | #define max(x, y) ((x) > (y) ? (x) : (y)) | |
58 | #endif | |
59 | ||
07bf635f RS |
60 | /* List of all widgets managed by the library. */ |
61 | static widget_info* | |
62 | all_widget_info = NULL; | |
63 | ||
99dcca2f | 64 | #ifdef USE_MOTIF |
a953c1e3 | 65 | const char *lwlib_toolkit_type = "motif"; |
99dcca2f | 66 | #else |
a953c1e3 | 67 | const char *lwlib_toolkit_type = "lucid"; |
99dcca2f | 68 | #endif |
07bf635f | 69 | |
f57e2426 J |
70 | static widget_value *merge_widget_value (widget_value *, |
71 | widget_value *, | |
72 | int, int *); | |
73 | static void instantiate_widget_instance (widget_instance *); | |
f57e2426 J |
74 | static void safe_free_str (char *); |
75 | static void free_widget_value_tree (widget_value *); | |
76 | static widget_value *copy_widget_value_tree (widget_value *, | |
77 | change_type); | |
a953c1e3 | 78 | static widget_info *allocate_widget_info (const char *, const char *, LWLIB_ID, |
f57e2426 J |
79 | widget_value *, |
80 | lw_callback, lw_callback, | |
81 | lw_callback, lw_callback); | |
82 | static void free_widget_info (widget_info *); | |
83 | static void mark_widget_destroyed (Widget, XtPointer, XtPointer); | |
84 | static widget_instance *allocate_widget_instance (widget_info *, | |
85 | Widget, Boolean); | |
86 | static void free_widget_instance (widget_instance *); | |
87 | static widget_info *get_widget_info (LWLIB_ID, Boolean); | |
88 | static widget_instance *get_widget_instance (Widget, Boolean); | |
89 | static widget_instance *find_instance (LWLIB_ID, Widget, Boolean); | |
d6dcbe70 DN |
90 | static Boolean safe_strcmp (const char *, const char *); |
91 | static Widget name_to_widget (widget_instance *, const char *); | |
f57e2426 J |
92 | static void set_one_value (widget_instance *, widget_value *, Boolean); |
93 | static void update_one_widget_instance (widget_instance *, Boolean); | |
94 | static void update_all_widget_values (widget_info *, Boolean); | |
95 | static void initialize_widget_instance (widget_instance *); | |
d6dcbe70 DN |
96 | static widget_creation_function find_in_table (const char *, const widget_creation_entry *); |
97 | static Boolean dialog_spec_p (const char *); | |
f57e2426 J |
98 | static void destroy_one_instance (widget_instance *); |
99 | static void lw_pop_all_widgets (LWLIB_ID, Boolean); | |
100 | static Boolean get_one_value (widget_instance *, widget_value *); | |
101 | static void show_one_widget_busy (Widget, Boolean); | |
07bf635f | 102 | \f/* utility functions for widget_instance and widget_info */ |
bb2ee72b | 103 | char * |
c3174d16 | 104 | safe_strdup (const char *s) |
07bf635f | 105 | { |
d672ac3c | 106 | return s ? xstrdup (s) : 0; |
07bf635f RS |
107 | } |
108 | ||
109 | static void | |
c3174d16 | 110 | safe_free_str (char *s) |
07bf635f | 111 | { |
81d40c92 | 112 | xfree (s); |
07bf635f RS |
113 | } |
114 | ||
115 | static widget_value *widget_value_free_list = 0; | |
0b96f00b | 116 | static int malloc_cpt = 0; |
07bf635f RS |
117 | |
118 | widget_value * | |
c3174d16 | 119 | malloc_widget_value (void) |
07bf635f RS |
120 | { |
121 | widget_value *wv; | |
122 | if (widget_value_free_list) | |
123 | { | |
124 | wv = widget_value_free_list; | |
125 | widget_value_free_list = wv->free_list; | |
126 | wv->free_list = 0; | |
127 | } | |
128 | else | |
129 | { | |
3370edca | 130 | wv = (widget_value *) xmalloc (sizeof (widget_value)); |
0b96f00b | 131 | malloc_cpt++; |
07bf635f | 132 | } |
72af86bd | 133 | memset ((void*) wv, 0, sizeof (widget_value)); |
07bf635f RS |
134 | return wv; |
135 | } | |
136 | ||
7ef3956a | 137 | /* this is analogous to free(). It frees only what was allocated |
177c0ea7 | 138 | by malloc_widget_value(), and no substructures. |
07bf635f RS |
139 | */ |
140 | void | |
c3174d16 | 141 | free_widget_value (widget_value *wv) |
07bf635f RS |
142 | { |
143 | if (wv->free_list) | |
144 | abort (); | |
0b96f00b | 145 | |
d2a5919f | 146 | if (malloc_cpt > 25) |
0b96f00b FP |
147 | { |
148 | /* When the number of already allocated cells is too big, | |
149 | We free it. */ | |
81d40c92 | 150 | xfree (wv); |
d2a5919f | 151 | malloc_cpt--; |
0b96f00b FP |
152 | } |
153 | else | |
154 | { | |
155 | wv->free_list = widget_value_free_list; | |
156 | widget_value_free_list = wv; | |
157 | } | |
07bf635f RS |
158 | } |
159 | ||
160 | static void | |
c3174d16 | 161 | free_widget_value_tree (widget_value *wv) |
07bf635f RS |
162 | { |
163 | if (!wv) | |
164 | return; | |
165 | ||
81d40c92 DA |
166 | xfree (wv->name); |
167 | xfree (wv->value); | |
168 | xfree (wv->key); | |
07bf635f | 169 | |
a3bf8a8c | 170 | wv->name = wv->value = wv->key = (char *) 0xDEADBEEF; |
07bf635f RS |
171 | |
172 | if (wv->toolkit_data && wv->free_toolkit_data) | |
173 | { | |
53e28d2a | 174 | XtFree (wv->toolkit_data); |
07bf635f RS |
175 | wv->toolkit_data = (void *) 0xDEADBEEF; |
176 | } | |
177 | ||
178 | if (wv->contents && (wv->contents != (widget_value*)1)) | |
179 | { | |
180 | free_widget_value_tree (wv->contents); | |
181 | wv->contents = (widget_value *) 0xDEADBEEF; | |
182 | } | |
183 | if (wv->next) | |
184 | { | |
185 | free_widget_value_tree (wv->next); | |
186 | wv->next = (widget_value *) 0xDEADBEEF; | |
187 | } | |
188 | free_widget_value (wv); | |
189 | } | |
190 | ||
191 | static widget_value * | |
c3174d16 | 192 | copy_widget_value_tree (widget_value *val, change_type change) |
07bf635f RS |
193 | { |
194 | widget_value* copy; | |
177c0ea7 | 195 | |
07bf635f RS |
196 | if (!val) |
197 | return NULL; | |
198 | if (val == (widget_value *) 1) | |
199 | return val; | |
200 | ||
201 | copy = malloc_widget_value (); | |
202 | copy->name = safe_strdup (val->name); | |
203 | copy->value = safe_strdup (val->value); | |
204 | copy->key = safe_strdup (val->key); | |
a3bf8a8c | 205 | copy->help = val->help; |
07bf635f | 206 | copy->enabled = val->enabled; |
da88f592 | 207 | copy->button_type = val->button_type; |
07bf635f RS |
208 | copy->selected = val->selected; |
209 | copy->edited = False; | |
210 | copy->change = change; | |
0c12a958 | 211 | copy->this_one_change = change; |
07bf635f RS |
212 | copy->contents = copy_widget_value_tree (val->contents, change); |
213 | copy->call_data = val->call_data; | |
214 | copy->next = copy_widget_value_tree (val->next, change); | |
215 | copy->toolkit_data = NULL; | |
216 | copy->free_toolkit_data = False; | |
217 | return copy; | |
218 | } | |
219 | ||
220 | static widget_info * | |
a953c1e3 DN |
221 | allocate_widget_info (const char* type, |
222 | const char* name, | |
c825c0b6 J |
223 | LWLIB_ID id, |
224 | widget_value* val, | |
225 | lw_callback pre_activate_cb, | |
226 | lw_callback selection_cb, | |
227 | lw_callback post_activate_cb, | |
228 | lw_callback highlight_cb) | |
07bf635f | 229 | { |
3370edca | 230 | widget_info* info = (widget_info*) xmalloc (sizeof (widget_info)); |
07bf635f RS |
231 | info->type = safe_strdup (type); |
232 | info->name = safe_strdup (name); | |
233 | info->id = id; | |
234 | info->val = copy_widget_value_tree (val, STRUCTURAL_CHANGE); | |
235 | info->busy = False; | |
236 | info->pre_activate_cb = pre_activate_cb; | |
237 | info->selection_cb = selection_cb; | |
238 | info->post_activate_cb = post_activate_cb; | |
02512b20 | 239 | info->highlight_cb = highlight_cb; |
07bf635f RS |
240 | info->instances = NULL; |
241 | ||
242 | info->next = all_widget_info; | |
243 | all_widget_info = info; | |
244 | ||
245 | return info; | |
246 | } | |
247 | ||
248 | static void | |
c3174d16 | 249 | free_widget_info (widget_info *info) |
07bf635f RS |
250 | { |
251 | safe_free_str (info->type); | |
252 | safe_free_str (info->name); | |
253 | free_widget_value_tree (info->val); | |
72af86bd | 254 | memset ((void*)info, 0xDEADBEEF, sizeof (widget_info)); |
81d40c92 | 255 | xfree (info); |
07bf635f RS |
256 | } |
257 | ||
258 | static void | |
c3174d16 | 259 | mark_widget_destroyed (Widget widget, XtPointer closure, XtPointer call_data) |
07bf635f RS |
260 | { |
261 | widget_instance* instance = (widget_instance*)closure; | |
262 | ||
263 | /* be very conservative */ | |
264 | if (instance->widget == widget) | |
265 | instance->widget = NULL; | |
266 | } | |
267 | ||
268 | static widget_instance * | |
db0e17de | 269 | allocate_widget_instance (widget_info* info, Widget parent, Boolean pop_up_p) |
07bf635f RS |
270 | { |
271 | widget_instance* instance = | |
3370edca | 272 | (widget_instance*) xmalloc (sizeof (widget_instance)); |
72af86bd | 273 | memset (instance, 0, sizeof *instance); |
07bf635f RS |
274 | instance->parent = parent; |
275 | instance->pop_up_p = pop_up_p; | |
276 | instance->info = info; | |
277 | instance->next = info->instances; | |
278 | info->instances = instance; | |
279 | ||
7ef3956a | 280 | instantiate_widget_instance (instance); |
07bf635f RS |
281 | |
282 | XtAddCallback (instance->widget, XtNdestroyCallback, | |
283 | mark_widget_destroyed, (XtPointer)instance); | |
284 | return instance; | |
285 | } | |
286 | ||
287 | static void | |
c3174d16 | 288 | free_widget_instance (widget_instance *instance) |
07bf635f | 289 | { |
72af86bd | 290 | memset ((void*)instance, 0xDEADBEEF, sizeof (widget_instance)); |
81d40c92 | 291 | xfree (instance); |
07bf635f RS |
292 | } |
293 | ||
294 | static widget_info * | |
db0e17de | 295 | get_widget_info (LWLIB_ID id, Boolean remove_p) |
07bf635f RS |
296 | { |
297 | widget_info* info; | |
298 | widget_info* prev; | |
299 | for (prev = NULL, info = all_widget_info; | |
300 | info; | |
301 | prev = info, info = info->next) | |
302 | if (info->id == id) | |
303 | { | |
304 | if (remove_p) | |
305 | { | |
306 | if (prev) | |
307 | prev->next = info->next; | |
308 | else | |
309 | all_widget_info = info->next; | |
310 | } | |
311 | return info; | |
312 | } | |
313 | return NULL; | |
314 | } | |
315 | ||
9331cca8 FP |
316 | /* Internal function used by the library dependent implementation to get the |
317 | widget_value for a given widget in an instance */ | |
318 | widget_info * | |
c3174d16 | 319 | lw_get_widget_info (LWLIB_ID id) |
9331cca8 FP |
320 | { |
321 | return get_widget_info (id, 0); | |
322 | } | |
323 | ||
07bf635f | 324 | static widget_instance * |
db0e17de | 325 | get_widget_instance (Widget widget, Boolean remove_p) |
07bf635f RS |
326 | { |
327 | widget_info* info; | |
328 | widget_instance* instance; | |
329 | widget_instance* prev; | |
330 | for (info = all_widget_info; info; info = info->next) | |
331 | for (prev = NULL, instance = info->instances; | |
332 | instance; | |
333 | prev = instance, instance = instance->next) | |
334 | if (instance->widget == widget) | |
335 | { | |
336 | if (remove_p) | |
337 | { | |
338 | if (prev) | |
339 | prev->next = instance->next; | |
340 | else | |
341 | info->instances = instance->next; | |
342 | } | |
343 | return instance; | |
344 | } | |
345 | return (widget_instance *) 0; | |
346 | } | |
347 | ||
02512b20 GM |
348 | /* Value is a pointer to the widget_instance corresponding to |
349 | WIDGET, or null if WIDGET is not a lwlib widget. */ | |
350 | ||
351 | widget_instance * | |
c3174d16 | 352 | lw_get_widget_instance (Widget widget) |
02512b20 GM |
353 | { |
354 | return get_widget_instance (widget, False); | |
355 | } | |
356 | ||
07bf635f | 357 | static widget_instance* |
db0e17de | 358 | find_instance (LWLIB_ID id, Widget parent, Boolean pop_up_p) |
07bf635f RS |
359 | { |
360 | widget_info* info = get_widget_info (id, False); | |
361 | widget_instance* instance; | |
362 | ||
363 | if (info) | |
364 | for (instance = info->instances; instance; instance = instance->next) | |
365 | if (instance->parent == parent && instance->pop_up_p == pop_up_p) | |
366 | return instance; | |
367 | ||
368 | return NULL; | |
369 | } | |
370 | ||
371 | \f | |
372 | /* utility function for widget_value */ | |
373 | static Boolean | |
d6dcbe70 | 374 | safe_strcmp (const char *s1, const char *s2) |
07bf635f RS |
375 | { |
376 | if (!!s1 ^ !!s2) return True; | |
377 | return (s1 && s2) ? strcmp (s1, s2) : s1 ? False : !!s2; | |
378 | } | |
379 | ||
07bf635f RS |
380 | |
381 | #if 0 | |
382 | # define EXPLAIN(name, oc, nc, desc, a1, a2) \ | |
383 | printf ("Change: \"%s\"\tmax(%s=%d,%s=%d)\t%s %d %d\n", \ | |
384 | name, \ | |
385 | (oc == NO_CHANGE ? "none" : \ | |
386 | (oc == INVISIBLE_CHANGE ? "invisible" : \ | |
387 | (oc == VISIBLE_CHANGE ? "visible" : \ | |
388 | (oc == STRUCTURAL_CHANGE ? "structural" : "???")))), \ | |
389 | oc, \ | |
390 | (nc == NO_CHANGE ? "none" : \ | |
391 | (nc == INVISIBLE_CHANGE ? "invisible" : \ | |
392 | (nc == VISIBLE_CHANGE ? "visible" : \ | |
393 | (nc == STRUCTURAL_CHANGE ? "structural" : "???")))), \ | |
394 | nc, desc, a1, a2) | |
395 | #else | |
9ac71959 | 396 | # define EXPLAIN(name, oc, nc, desc, a1, a2) ((void) 0) |
07bf635f RS |
397 | #endif |
398 | ||
399 | ||
400 | static widget_value * | |
c825c0b6 J |
401 | merge_widget_value (widget_value *val1, |
402 | widget_value *val2, | |
403 | int level, | |
404 | int *change_p) | |
07bf635f | 405 | { |
0c12a958 | 406 | change_type change, this_one_change; |
07bf635f RS |
407 | widget_value* merged_next; |
408 | widget_value* merged_contents; | |
409 | ||
410 | if (!val1) | |
411 | { | |
412 | if (val2) | |
a17063b5 GM |
413 | { |
414 | *change_p = 1; | |
415 | return copy_widget_value_tree (val2, STRUCTURAL_CHANGE); | |
416 | } | |
07bf635f RS |
417 | else |
418 | return NULL; | |
419 | } | |
420 | if (!val2) | |
421 | { | |
a17063b5 | 422 | *change_p = 1; |
07bf635f RS |
423 | free_widget_value_tree (val1); |
424 | return NULL; | |
425 | } | |
177c0ea7 | 426 | |
07bf635f RS |
427 | change = NO_CHANGE; |
428 | ||
429 | if (safe_strcmp (val1->name, val2->name)) | |
430 | { | |
431 | EXPLAIN (val1->name, change, STRUCTURAL_CHANGE, "name change", | |
432 | val1->name, val2->name); | |
433 | change = max (change, STRUCTURAL_CHANGE); | |
434 | safe_free_str (val1->name); | |
435 | val1->name = safe_strdup (val2->name); | |
436 | } | |
437 | if (safe_strcmp (val1->value, val2->value)) | |
438 | { | |
439 | EXPLAIN (val1->name, change, VISIBLE_CHANGE, "value change", | |
440 | val1->value, val2->value); | |
441 | change = max (change, VISIBLE_CHANGE); | |
442 | safe_free_str (val1->value); | |
443 | val1->value = safe_strdup (val2->value); | |
444 | } | |
445 | if (safe_strcmp (val1->key, val2->key)) | |
446 | { | |
447 | EXPLAIN (val1->name, change, VISIBLE_CHANGE, "key change", | |
448 | val1->key, val2->key); | |
449 | change = max (change, VISIBLE_CHANGE); | |
450 | safe_free_str (val1->key); | |
451 | val1->key = safe_strdup (val2->key); | |
452 | } | |
a3bf8a8c | 453 | if (! EQ (val1->help, val2->help)) |
02512b20 GM |
454 | { |
455 | EXPLAIN (val1->name, change, VISIBLE_CHANGE, "help change", | |
456 | val1->help, val2->help); | |
457 | change = max (change, VISIBLE_CHANGE); | |
a3bf8a8c | 458 | val1->help = val2->help; |
02512b20 | 459 | } |
07bf635f RS |
460 | if (val1->enabled != val2->enabled) |
461 | { | |
462 | EXPLAIN (val1->name, change, VISIBLE_CHANGE, "enablement change", | |
463 | val1->enabled, val2->enabled); | |
464 | change = max (change, VISIBLE_CHANGE); | |
465 | val1->enabled = val2->enabled; | |
466 | } | |
da88f592 GM |
467 | if (val1->button_type != val2->button_type) |
468 | { | |
469 | EXPLAIN (val1->name, change, VISIBLE_CHANGE, "button type change", | |
470 | val1->button_type, val2->button_type); | |
471 | change = max (change, VISIBLE_CHANGE); | |
472 | val1->button_type = val2->button_type; | |
473 | } | |
07bf635f RS |
474 | if (val1->selected != val2->selected) |
475 | { | |
476 | EXPLAIN (val1->name, change, VISIBLE_CHANGE, "selection change", | |
477 | val1->selected, val2->selected); | |
478 | change = max (change, VISIBLE_CHANGE); | |
479 | val1->selected = val2->selected; | |
480 | } | |
481 | if (val1->call_data != val2->call_data) | |
482 | { | |
483 | EXPLAIN (val1->name, change, INVISIBLE_CHANGE, "call-data change", | |
484 | val1->call_data, val2->call_data); | |
485 | change = max (change, INVISIBLE_CHANGE); | |
486 | val1->call_data = val2->call_data; | |
487 | } | |
488 | ||
489 | if (level > 0) | |
490 | { | |
491 | merged_contents = | |
a17063b5 GM |
492 | merge_widget_value (val1->contents, val2->contents, level - 1, |
493 | change_p); | |
177c0ea7 | 494 | |
07bf635f RS |
495 | if (val1->contents && !merged_contents) |
496 | { | |
7ef3956a RS |
497 | /* This used to say INVISIBLE_CHANGE, |
498 | but it is visible and vitally important when | |
499 | the contents of the menu bar itself are entirely deleted. | |
500 | ||
501 | But maybe it doesn't matter. This fails to fix the bug. */ | |
502 | EXPLAIN (val1->name, change, STRUCTURAL_CHANGE, "(contents gone)", | |
07bf635f | 503 | 0, 0); |
7ef3956a | 504 | change = max (change, STRUCTURAL_CHANGE); |
07bf635f RS |
505 | } |
506 | else if (merged_contents && merged_contents->change != NO_CHANGE) | |
507 | { | |
508 | EXPLAIN (val1->name, change, INVISIBLE_CHANGE, "(contents change)", | |
509 | 0, 0); | |
510 | change = max (change, INVISIBLE_CHANGE); | |
61069f2b | 511 | #if 0 /* This was replaced by the August 9 1996 change in lwlib-Xm.c. */ |
2fe6d204 RS |
512 | #ifdef USE_MOTIF |
513 | change = max (merged_contents->change, change); | |
61069f2b | 514 | #endif |
2fe6d204 | 515 | #endif |
07bf635f | 516 | } |
177c0ea7 | 517 | |
07bf635f RS |
518 | val1->contents = merged_contents; |
519 | } | |
520 | ||
0c12a958 RS |
521 | this_one_change = change; |
522 | ||
a17063b5 | 523 | merged_next = merge_widget_value (val1->next, val2->next, level, change_p); |
07bf635f RS |
524 | |
525 | if (val1->next && !merged_next) | |
526 | { | |
527 | EXPLAIN (val1->name, change, STRUCTURAL_CHANGE, "(following gone)", | |
528 | 0, 0); | |
529 | change = max (change, STRUCTURAL_CHANGE); | |
530 | } | |
531 | else if (merged_next) | |
532 | { | |
533 | if (merged_next->change) | |
534 | EXPLAIN (val1->name, change, merged_next->change, "(following change)", | |
535 | 0, 0); | |
536 | change = max (change, merged_next->change); | |
537 | } | |
538 | ||
539 | val1->next = merged_next; | |
540 | ||
0c12a958 | 541 | val1->this_one_change = this_one_change; |
07bf635f | 542 | val1->change = change; |
177c0ea7 | 543 | |
07bf635f RS |
544 | if (change > NO_CHANGE && val1->toolkit_data) |
545 | { | |
a17063b5 | 546 | *change_p = 1; |
07bf635f | 547 | if (val1->free_toolkit_data) |
53e28d2a | 548 | XtFree (val1->toolkit_data); |
07bf635f RS |
549 | val1->toolkit_data = NULL; |
550 | } | |
551 | ||
552 | return val1; | |
553 | } | |
554 | ||
555 | \f | |
556 | /* modifying the widgets */ | |
557 | static Widget | |
d6dcbe70 | 558 | name_to_widget (widget_instance *instance, const char *name) |
07bf635f RS |
559 | { |
560 | Widget widget = NULL; | |
561 | ||
562 | if (!instance->widget) | |
563 | return NULL; | |
564 | ||
565 | if (!strcmp (XtName (instance->widget), name)) | |
566 | widget = instance->widget; | |
567 | else | |
568 | { | |
569 | int length = strlen (name) + 2; | |
f60044f5 | 570 | char* real_name = (char *) xmalloc (length); |
07bf635f RS |
571 | real_name [0] = '*'; |
572 | strcpy (real_name + 1, name); | |
177c0ea7 | 573 | |
07bf635f | 574 | widget = XtNameToWidget (instance->widget, real_name); |
f60044f5 | 575 | |
81d40c92 | 576 | xfree (real_name); |
07bf635f RS |
577 | } |
578 | return widget; | |
579 | } | |
580 | ||
581 | static void | |
db0e17de | 582 | set_one_value (widget_instance* instance, widget_value* val, Boolean deep_p) |
07bf635f RS |
583 | { |
584 | Widget widget = name_to_widget (instance, val->name); | |
177c0ea7 | 585 | |
07bf635f RS |
586 | if (widget) |
587 | { | |
588 | #if defined (USE_LUCID) | |
589 | if (lw_lucid_widget_p (instance->widget)) | |
590 | xlw_update_one_widget (instance, widget, val, deep_p); | |
591 | #endif | |
592 | #if defined (USE_MOTIF) | |
593 | if (lw_motif_widget_p (instance->widget)) | |
594 | xm_update_one_widget (instance, widget, val, deep_p); | |
595 | #endif | |
9331cca8 FP |
596 | #if defined (USE_XAW) |
597 | if (lw_xaw_widget_p (instance->widget)) | |
598 | xaw_update_one_widget (instance, widget, val, deep_p); | |
07bf635f RS |
599 | #endif |
600 | } | |
601 | } | |
602 | ||
603 | static void | |
db0e17de | 604 | update_one_widget_instance (widget_instance* instance, Boolean deep_p) |
07bf635f RS |
605 | { |
606 | widget_value *val; | |
607 | ||
608 | if (!instance->widget) | |
609 | /* the widget was destroyed */ | |
610 | return; | |
611 | ||
612 | for (val = instance->info->val; val; val = val->next) | |
613 | if (val->change != NO_CHANGE) | |
614 | set_one_value (instance, val, deep_p); | |
615 | } | |
616 | ||
617 | static void | |
db0e17de | 618 | update_all_widget_values (widget_info* info, Boolean deep_p) |
07bf635f RS |
619 | { |
620 | widget_instance* instance; | |
621 | widget_value* val; | |
622 | ||
623 | for (instance = info->instances; instance; instance = instance->next) | |
624 | update_one_widget_instance (instance, deep_p); | |
625 | ||
626 | for (val = info->val; val; val = val->next) | |
627 | val->change = NO_CHANGE; | |
628 | } | |
629 | ||
a17063b5 | 630 | int |
db0e17de | 631 | lw_modify_all_widgets (LWLIB_ID id, widget_value* val, Boolean deep_p) |
07bf635f RS |
632 | { |
633 | widget_info* info = get_widget_info (id, False); | |
634 | widget_value* new_val; | |
635 | widget_value* next_new_val; | |
636 | widget_value* cur; | |
637 | widget_value* prev; | |
638 | widget_value* next; | |
639 | int found; | |
a17063b5 | 640 | int change_p = 0; |
07bf635f RS |
641 | |
642 | if (!info) | |
fdc4d3cd | 643 | return 0; |
07bf635f RS |
644 | |
645 | for (new_val = val; new_val; new_val = new_val->next) | |
646 | { | |
647 | next_new_val = new_val->next; | |
648 | new_val->next = NULL; | |
649 | found = False; | |
650 | for (prev = NULL, cur = info->val; cur; prev = cur, cur = cur->next) | |
651 | if (!strcmp (cur->name, new_val->name)) | |
652 | { | |
653 | found = True; | |
654 | next = cur->next; | |
655 | cur->next = NULL; | |
a17063b5 GM |
656 | cur = merge_widget_value (cur, new_val, deep_p ? 1000 : 1, |
657 | &change_p); | |
07bf635f RS |
658 | if (prev) |
659 | prev->next = cur ? cur : next; | |
660 | else | |
661 | info->val = cur ? cur : next; | |
662 | if (cur) | |
663 | cur->next = next; | |
664 | break; | |
665 | } | |
666 | if (!found) | |
667 | { | |
668 | /* Could not find it, add it */ | |
669 | if (prev) | |
670 | prev->next = copy_widget_value_tree (new_val, STRUCTURAL_CHANGE); | |
671 | else | |
672 | info->val = copy_widget_value_tree (new_val, STRUCTURAL_CHANGE); | |
a17063b5 | 673 | change_p = 1; |
07bf635f RS |
674 | } |
675 | new_val->next = next_new_val; | |
676 | } | |
677 | ||
678 | update_all_widget_values (info, deep_p); | |
a17063b5 | 679 | return change_p; |
07bf635f RS |
680 | } |
681 | ||
682 | \f | |
683 | /* creating the widgets */ | |
684 | ||
685 | static void | |
c3174d16 | 686 | initialize_widget_instance (widget_instance *instance) |
07bf635f RS |
687 | { |
688 | widget_value* val; | |
689 | ||
690 | for (val = instance->info->val; val; val = val->next) | |
691 | val->change = STRUCTURAL_CHANGE; | |
692 | ||
693 | update_one_widget_instance (instance, True); | |
694 | ||
695 | for (val = instance->info->val; val; val = val->next) | |
696 | val->change = NO_CHANGE; | |
697 | } | |
698 | ||
699 | ||
700 | static widget_creation_function | |
d6dcbe70 | 701 | find_in_table (const char *type, const widget_creation_entry *table) |
07bf635f | 702 | { |
d6dcbe70 | 703 | const widget_creation_entry* cur; |
07bf635f | 704 | for (cur = table; cur->type; cur++) |
fee5959d | 705 | if (!c_strcasecmp (type, cur->type)) |
07bf635f RS |
706 | return cur->function; |
707 | return NULL; | |
708 | } | |
709 | ||
710 | static Boolean | |
d6dcbe70 | 711 | dialog_spec_p (const char *name) |
07bf635f | 712 | { |
177c0ea7 | 713 | /* return True if name matches [EILPQeilpq][1-9][Bb] or |
07bf635f RS |
714 | [EILPQeilpq][1-9][Bb][Rr][1-9] */ |
715 | if (!name) | |
716 | return False; | |
177c0ea7 | 717 | |
07bf635f RS |
718 | switch (name [0]) |
719 | { | |
720 | case 'E': case 'I': case 'L': case 'P': case 'Q': | |
721 | case 'e': case 'i': case 'l': case 'p': case 'q': | |
722 | if (name [1] >= '0' && name [1] <= '9') | |
723 | { | |
724 | if (name [2] != 'B' && name [2] != 'b') | |
725 | return False; | |
726 | if (!name [3]) | |
727 | return True; | |
728 | if ((name [3] == 'T' || name [3] == 't') && !name [4]) | |
729 | return True; | |
730 | if ((name [3] == 'R' || name [3] == 'r') | |
731 | && name [4] >= '0' && name [4] <= '9' && !name [5]) | |
732 | return True; | |
733 | return False; | |
734 | } | |
735 | else | |
736 | return False; | |
177c0ea7 | 737 | |
07bf635f RS |
738 | default: |
739 | return False; | |
740 | } | |
741 | } | |
742 | ||
743 | static void | |
c3174d16 | 744 | instantiate_widget_instance (widget_instance *instance) |
07bf635f RS |
745 | { |
746 | widget_creation_function function = NULL; | |
747 | ||
748 | #if defined (USE_LUCID) | |
749 | if (!function) | |
750 | function = find_in_table (instance->info->type, xlw_creation_table); | |
751 | #endif | |
752 | #if defined(USE_MOTIF) | |
753 | if (!function) | |
754 | function = find_in_table (instance->info->type, xm_creation_table); | |
755 | #endif | |
9331cca8 FP |
756 | #if defined (USE_XAW) |
757 | if (!function) | |
758 | function = find_in_table (instance->info->type, xaw_creation_table); | |
759 | #endif | |
07bf635f RS |
760 | |
761 | if (!function) | |
762 | { | |
763 | if (dialog_spec_p (instance->info->type)) | |
764 | { | |
765 | #if defined (USE_LUCID) | |
766 | /* not yet */ | |
767 | #endif | |
768 | #if defined(USE_MOTIF) | |
769 | if (!function) | |
770 | function = xm_create_dialog; | |
771 | #endif | |
9331cca8 FP |
772 | #if defined (USE_XAW) |
773 | if (!function) | |
774 | function = xaw_create_dialog; | |
07bf635f RS |
775 | #endif |
776 | } | |
777 | } | |
177c0ea7 | 778 | |
07bf635f RS |
779 | if (!function) |
780 | { | |
781 | printf ("No creation function for widget type %s\n", | |
782 | instance->info->type); | |
783 | abort (); | |
784 | } | |
785 | ||
786 | instance->widget = (*function) (instance); | |
787 | ||
788 | if (!instance->widget) | |
789 | abort (); | |
790 | ||
791 | /* XtRealizeWidget (instance->widget);*/ | |
792 | } | |
793 | ||
177c0ea7 | 794 | void |
a953c1e3 DN |
795 | lw_register_widget (const char* type, |
796 | const char* name, | |
c825c0b6 J |
797 | LWLIB_ID id, |
798 | widget_value* val, | |
799 | lw_callback pre_activate_cb, | |
800 | lw_callback selection_cb, | |
801 | lw_callback post_activate_cb, | |
802 | lw_callback highlight_cb) | |
07bf635f RS |
803 | { |
804 | if (!get_widget_info (id, False)) | |
805 | allocate_widget_info (type, name, id, val, pre_activate_cb, selection_cb, | |
02512b20 | 806 | post_activate_cb, highlight_cb); |
07bf635f RS |
807 | } |
808 | ||
809 | Widget | |
db0e17de | 810 | lw_get_widget (LWLIB_ID id, Widget parent, Boolean pop_up_p) |
07bf635f RS |
811 | { |
812 | widget_instance* instance; | |
177c0ea7 | 813 | |
07bf635f RS |
814 | instance = find_instance (id, parent, pop_up_p); |
815 | return instance ? instance->widget : NULL; | |
816 | } | |
817 | ||
818 | Widget | |
db0e17de | 819 | lw_make_widget (LWLIB_ID id, Widget parent, Boolean pop_up_p) |
07bf635f RS |
820 | { |
821 | widget_instance* instance; | |
822 | widget_info* info; | |
177c0ea7 | 823 | |
07bf635f RS |
824 | instance = find_instance (id, parent, pop_up_p); |
825 | if (!instance) | |
826 | { | |
827 | info = get_widget_info (id, False); | |
828 | if (!info) | |
829 | return NULL; | |
830 | instance = allocate_widget_instance (info, parent, pop_up_p); | |
831 | initialize_widget_instance (instance); | |
832 | } | |
833 | if (!instance->widget) | |
834 | abort (); | |
835 | return instance->widget; | |
836 | } | |
837 | ||
838 | Widget | |
a953c1e3 | 839 | lw_create_widget (const char* type, const char* name, LWLIB_ID id, widget_value* val, |
db0e17de DL |
840 | Widget parent, Boolean pop_up_p, |
841 | lw_callback pre_activate_cb, lw_callback selection_cb, | |
842 | lw_callback post_activate_cb, lw_callback highlight_cb) | |
07bf635f RS |
843 | { |
844 | lw_register_widget (type, name, id, val, pre_activate_cb, selection_cb, | |
02512b20 | 845 | post_activate_cb, highlight_cb); |
07bf635f RS |
846 | return lw_make_widget (id, parent, pop_up_p); |
847 | } | |
177c0ea7 | 848 | |
07bf635f RS |
849 | \f |
850 | /* destroying the widgets */ | |
851 | static void | |
c3174d16 | 852 | destroy_one_instance (widget_instance *instance) |
07bf635f RS |
853 | { |
854 | /* Remove the destroy callback on the widget; that callback will try to | |
855 | dereference the instance object (to set its widget slot to 0, since the | |
856 | widget is dead.) Since the instance is now dead, we don't have to worry | |
857 | about the fact that its widget is dead too. | |
858 | ||
859 | This happens in the Phase2Destroy of the widget, so this callback would | |
860 | not have been run until arbitrarily long after the instance was freed. | |
861 | */ | |
862 | if (instance->widget) | |
863 | XtRemoveCallback (instance->widget, XtNdestroyCallback, | |
864 | mark_widget_destroyed, (XtPointer)instance); | |
865 | ||
866 | if (instance->widget) | |
867 | { | |
868 | /* The else are pretty tricky here, including the empty statement | |
869 | at the end because it would be very bad to destroy a widget | |
870 | twice. */ | |
871 | #if defined (USE_LUCID) | |
872 | if (lw_lucid_widget_p (instance->widget)) | |
873 | xlw_destroy_instance (instance); | |
874 | else | |
875 | #endif | |
876 | #if defined (USE_MOTIF) | |
877 | if (lw_motif_widget_p (instance->widget)) | |
878 | xm_destroy_instance (instance); | |
879 | else | |
880 | #endif | |
9331cca8 FP |
881 | #if defined (USE_XAW) |
882 | if (lw_xaw_widget_p (instance->widget)) | |
883 | xaw_destroy_instance (instance); | |
177c0ea7 | 884 | else |
07bf635f | 885 | #endif |
9ac71959 PE |
886 | { |
887 | /* Empty compound statement to terminate if-then-else chain. */ | |
888 | } | |
07bf635f RS |
889 | } |
890 | ||
891 | free_widget_instance (instance); | |
892 | } | |
893 | ||
894 | void | |
c3174d16 | 895 | lw_destroy_widget (Widget w) |
07bf635f RS |
896 | { |
897 | widget_instance* instance = get_widget_instance (w, True); | |
177c0ea7 | 898 | |
07bf635f RS |
899 | if (instance) |
900 | { | |
901 | widget_info *info = instance->info; | |
902 | /* instance has already been removed from the list; free it */ | |
903 | destroy_one_instance (instance); | |
904 | /* if there are no instances left, free the info too */ | |
905 | if (!info->instances) | |
906 | lw_destroy_all_widgets (info->id); | |
907 | } | |
908 | } | |
909 | ||
910 | void | |
c3174d16 | 911 | lw_destroy_all_widgets (LWLIB_ID id) |
07bf635f RS |
912 | { |
913 | widget_info* info = get_widget_info (id, True); | |
914 | widget_instance* instance; | |
915 | widget_instance* next; | |
916 | ||
917 | if (info) | |
918 | { | |
919 | for (instance = info->instances; instance; ) | |
920 | { | |
921 | next = instance->next; | |
922 | destroy_one_instance (instance); | |
923 | instance = next; | |
924 | } | |
925 | free_widget_info (info); | |
926 | } | |
927 | } | |
928 | ||
929 | void | |
c3174d16 | 930 | lw_destroy_everything (void) |
07bf635f RS |
931 | { |
932 | while (all_widget_info) | |
933 | lw_destroy_all_widgets (all_widget_info->id); | |
934 | } | |
935 | ||
936 | void | |
c3174d16 | 937 | lw_destroy_all_pop_ups (void) |
07bf635f RS |
938 | { |
939 | widget_info* info; | |
940 | widget_info* next; | |
941 | widget_instance* instance; | |
942 | ||
943 | for (info = all_widget_info; info; info = next) | |
944 | { | |
945 | next = info->next; | |
946 | instance = info->instances; | |
947 | if (instance && instance->pop_up_p) | |
948 | lw_destroy_all_widgets (info->id); | |
949 | } | |
950 | } | |
951 | ||
952 | #ifdef USE_MOTIF | |
748945cc | 953 | extern Widget first_child (Widget); /* garbage */ |
07bf635f RS |
954 | #endif |
955 | ||
956 | Widget | |
c3174d16 | 957 | lw_raise_all_pop_up_widgets (void) |
07bf635f RS |
958 | { |
959 | widget_info* info; | |
960 | widget_instance* instance; | |
961 | Widget result = NULL; | |
962 | ||
963 | for (info = all_widget_info; info; info = info->next) | |
964 | for (instance = info->instances; instance; instance = instance->next) | |
965 | if (instance->pop_up_p) | |
966 | { | |
967 | Widget widget = instance->widget; | |
968 | if (widget) | |
969 | { | |
970 | if (XtIsManaged (widget) | |
971 | #ifdef USE_MOTIF | |
972 | /* What a complete load of crap!!!! | |
973 | When a dialogShell is on the screen, it is not managed! | |
974 | */ | |
975 | || (lw_motif_widget_p (instance->widget) && | |
976 | XtIsManaged (first_child (widget))) | |
977 | #endif | |
978 | ) | |
979 | { | |
980 | if (!result) | |
981 | result = widget; | |
982 | XMapRaised (XtDisplay (widget), XtWindow (widget)); | |
983 | } | |
984 | } | |
985 | } | |
986 | return result; | |
987 | } | |
988 | ||
989 | static void | |
db0e17de | 990 | lw_pop_all_widgets (LWLIB_ID id, Boolean up) |
07bf635f RS |
991 | { |
992 | widget_info* info = get_widget_info (id, False); | |
993 | widget_instance* instance; | |
994 | ||
995 | if (info) | |
996 | for (instance = info->instances; instance; instance = instance->next) | |
997 | if (instance->pop_up_p && instance->widget) | |
998 | { | |
07bf635f RS |
999 | #if defined (USE_LUCID) |
1000 | if (lw_lucid_widget_p (instance->widget)) | |
9331cca8 FP |
1001 | { |
1002 | XtRealizeWidget (instance->widget); | |
1003 | xlw_pop_instance (instance, up); | |
1004 | } | |
07bf635f RS |
1005 | #endif |
1006 | #if defined (USE_MOTIF) | |
1007 | if (lw_motif_widget_p (instance->widget)) | |
9331cca8 FP |
1008 | { |
1009 | XtRealizeWidget (instance->widget); | |
1010 | xm_pop_instance (instance, up); | |
1011 | } | |
07bf635f | 1012 | #endif |
9331cca8 FP |
1013 | #if defined (USE_XAW) |
1014 | if (lw_xaw_widget_p (instance->widget)) | |
1015 | { | |
1016 | XtRealizeWidget (XtParent (instance->widget)); | |
1017 | XtRealizeWidget (instance->widget); | |
1018 | xaw_pop_instance (instance, up); | |
1019 | } | |
07bf635f RS |
1020 | #endif |
1021 | } | |
1022 | } | |
1023 | ||
1024 | void | |
c3174d16 | 1025 | lw_pop_up_all_widgets (LWLIB_ID id) |
07bf635f RS |
1026 | { |
1027 | lw_pop_all_widgets (id, True); | |
1028 | } | |
1029 | ||
1030 | void | |
c3174d16 | 1031 | lw_pop_down_all_widgets (LWLIB_ID id) |
07bf635f RS |
1032 | { |
1033 | lw_pop_all_widgets (id, False); | |
1034 | } | |
1035 | ||
1036 | void | |
c3174d16 | 1037 | lw_popup_menu (Widget widget, XEvent *event) |
07bf635f RS |
1038 | { |
1039 | #if defined (USE_LUCID) | |
1040 | if (lw_lucid_widget_p (widget)) | |
5b3b31d6 | 1041 | xlw_popup_menu (widget, event); |
07bf635f RS |
1042 | #endif |
1043 | #if defined (USE_MOTIF) | |
1044 | if (lw_motif_widget_p (widget)) | |
5b3b31d6 | 1045 | xm_popup_menu (widget, event); |
07bf635f | 1046 | #endif |
9331cca8 FP |
1047 | #if defined (USE_XAW) |
1048 | if (lw_xaw_widget_p (widget)) | |
5b3b31d6 | 1049 | xaw_popup_menu (widget, event); |
9331cca8 | 1050 | #endif |
07bf635f RS |
1051 | } |
1052 | ||
1053 | \f/* get the values back */ | |
1054 | static Boolean | |
c3174d16 | 1055 | get_one_value (widget_instance *instance, widget_value *val) |
07bf635f RS |
1056 | { |
1057 | Widget widget = name_to_widget (instance, val->name); | |
177c0ea7 | 1058 | |
07bf635f RS |
1059 | if (widget) |
1060 | { | |
1061 | #if defined (USE_LUCID) | |
1062 | if (lw_lucid_widget_p (instance->widget)) | |
1063 | xlw_update_one_value (instance, widget, val); | |
1064 | #endif | |
1065 | #if defined (USE_MOTIF) | |
1066 | if (lw_motif_widget_p (instance->widget)) | |
1067 | xm_update_one_value (instance, widget, val); | |
1068 | #endif | |
9331cca8 FP |
1069 | #if defined (USE_XAW) |
1070 | if (lw_xaw_widget_p (instance->widget)) | |
1071 | xaw_update_one_value (instance, widget, val); | |
07bf635f RS |
1072 | #endif |
1073 | return True; | |
1074 | } | |
1075 | else | |
1076 | return False; | |
1077 | } | |
1078 | ||
1079 | Boolean | |
c3174d16 | 1080 | lw_get_some_values (LWLIB_ID id, widget_value *val_out) |
07bf635f RS |
1081 | { |
1082 | widget_info* info = get_widget_info (id, False); | |
1083 | widget_instance* instance; | |
1084 | widget_value* val; | |
1085 | Boolean result = False; | |
1086 | ||
1087 | if (!info) | |
1088 | return False; | |
1089 | ||
1090 | instance = info->instances; | |
1091 | if (!instance) | |
1092 | return False; | |
1093 | ||
1094 | for (val = val_out; val; val = val->next) | |
1095 | if (get_one_value (instance, val)) | |
1096 | result = True; | |
1097 | ||
1098 | return result; | |
1099 | } | |
1100 | ||
1101 | widget_value* | |
c3174d16 | 1102 | lw_get_all_values (LWLIB_ID id) |
07bf635f RS |
1103 | { |
1104 | widget_info* info = get_widget_info (id, False); | |
1105 | widget_value* val = info->val; | |
1106 | if (lw_get_some_values (id, val)) | |
1107 | return val; | |
1108 | else | |
1109 | return NULL; | |
1110 | } | |
1111 | ||
1112 | /* internal function used by the library dependent implementation to get the | |
1113 | widget_value for a given widget in an instance */ | |
1114 | widget_value* | |
c3174d16 | 1115 | lw_get_widget_value_for_widget (widget_instance *instance, Widget w) |
07bf635f RS |
1116 | { |
1117 | char* name = XtName (w); | |
1118 | widget_value* cur; | |
1119 | for (cur = instance->info->val; cur; cur = cur->next) | |
1120 | if (!strcmp (cur->name, name)) | |
1121 | return cur; | |
1122 | return NULL; | |
1123 | } | |
1124 | ||
1125 | \f/* update other instances value when one thing changed */ | |
bd2c5b53 KH |
1126 | |
1127 | /* To forbid recursive calls */ | |
1128 | static Boolean lwlib_updating; | |
1129 | ||
20db1522 JB |
1130 | /* This function can be used as an XtCallback for the widgets that get |
1131 | modified to update other instances of the widgets. Closure should be the | |
1132 | widget_instance. */ | |
07bf635f | 1133 | void |
c825c0b6 J |
1134 | lw_internal_update_other_instances (Widget widget, |
1135 | XtPointer closure, | |
1136 | XtPointer call_data) | |
07bf635f | 1137 | { |
07bf635f RS |
1138 | widget_instance* instance = (widget_instance*)closure; |
1139 | char* name = XtName (widget); | |
1140 | widget_info* info; | |
1141 | widget_instance* cur; | |
1142 | widget_value* val; | |
1143 | ||
bd2c5b53 KH |
1144 | /* Avoid possibly infinite recursion. */ |
1145 | if (lwlib_updating) | |
07bf635f RS |
1146 | return; |
1147 | ||
1148 | /* protect against the widget being destroyed */ | |
1149 | if (XtWidgetBeingDestroyedP (widget)) | |
1150 | return; | |
1151 | ||
1152 | /* Return immediately if there are no other instances */ | |
1153 | info = instance->info; | |
1154 | if (!info->instances->next) | |
1155 | return; | |
1156 | ||
bd2c5b53 | 1157 | lwlib_updating = True; |
07bf635f RS |
1158 | |
1159 | for (val = info->val; val && strcmp (val->name, name); val = val->next); | |
1160 | ||
1161 | if (val && get_one_value (instance, val)) | |
1162 | for (cur = info->instances; cur; cur = cur->next) | |
1163 | if (cur != instance) | |
1164 | set_one_value (cur, val, True); | |
1165 | ||
bd2c5b53 | 1166 | lwlib_updating = False; |
07bf635f RS |
1167 | } |
1168 | ||
1169 | ||
1170 | \f/* get the id */ | |
1171 | ||
1172 | LWLIB_ID | |
c3174d16 | 1173 | lw_get_widget_id (Widget w) |
07bf635f RS |
1174 | { |
1175 | widget_instance* instance = get_widget_instance (w, False); | |
1176 | ||
1177 | return instance ? instance->info->id : 0; | |
1178 | } | |
1179 | ||
1180 | \f/* set the keyboard focus */ | |
1181 | void | |
c3174d16 | 1182 | lw_set_keyboard_focus (Widget parent, Widget w) |
07bf635f RS |
1183 | { |
1184 | #if defined (USE_MOTIF) | |
1185 | xm_set_keyboard_focus (parent, w); | |
1186 | #else | |
1187 | XtSetKeyboardFocus (parent, w); | |
1188 | #endif | |
1189 | } | |
1190 | ||
1191 | \f/* Show busy */ | |
1192 | static void | |
db0e17de | 1193 | show_one_widget_busy (Widget w, Boolean flag) |
07bf635f RS |
1194 | { |
1195 | Pixel foreground = 0; | |
1196 | Pixel background = 1; | |
1197 | Widget widget_to_invert = XtNameToWidget (w, "*sheet"); | |
1198 | if (!widget_to_invert) | |
1199 | widget_to_invert = w; | |
177c0ea7 | 1200 | |
07bf635f RS |
1201 | XtVaGetValues (widget_to_invert, |
1202 | XtNforeground, &foreground, | |
1203 | XtNbackground, &background, | |
8dd095ee | 1204 | NULL); |
07bf635f RS |
1205 | XtVaSetValues (widget_to_invert, |
1206 | XtNforeground, background, | |
1207 | XtNbackground, foreground, | |
8dd095ee | 1208 | NULL); |
07bf635f RS |
1209 | } |
1210 | ||
1211 | void | |
db0e17de | 1212 | lw_show_busy (Widget w, Boolean busy) |
07bf635f RS |
1213 | { |
1214 | widget_instance* instance = get_widget_instance (w, False); | |
1215 | widget_info* info; | |
1216 | widget_instance* next; | |
1217 | ||
1218 | if (instance) | |
1219 | { | |
1220 | info = instance->info; | |
1221 | if (info->busy != busy) | |
1222 | { | |
1223 | for (next = info->instances; next; next = next->next) | |
1224 | if (next->widget) | |
1225 | show_one_widget_busy (next->widget, busy); | |
1226 | info->busy = busy; | |
1227 | } | |
1228 | } | |
1229 | } | |
2af91681 PR |
1230 | |
1231 | /* This hack exists because Lucid/Athena need to execute the strange | |
1232 | function below to support geometry management. */ | |
1233 | void | |
db0e17de | 1234 | lw_refigure_widget (Widget w, Boolean doit) |
2af91681 | 1235 | { |
177c0ea7 | 1236 | #if defined (USE_XAW) |
2af91681 PR |
1237 | XawPanedSetRefigureMode (w, doit); |
1238 | #endif | |
1239 | #if defined (USE_MOTIF) | |
1240 | if (doit) | |
2af91681 | 1241 | XtManageChild (w); |
a61155bc RS |
1242 | else |
1243 | XtUnmanageChild (w); | |
2af91681 PR |
1244 | #endif |
1245 | } | |
1246 | ||
1247 | /* Toolkit independent way of determining if an event window is in the | |
1248 | menubar. */ | |
1249 | Boolean | |
c3174d16 | 1250 | lw_window_is_in_menubar (Window win, Widget menubar_widget) |
2af91681 PR |
1251 | { |
1252 | return menubar_widget | |
1253 | #if defined (USE_LUCID) | |
1254 | && XtWindow (menubar_widget) == win; | |
1255 | #endif | |
1256 | #if defined (USE_MOTIF) | |
c17d59fc RS |
1257 | && ((XtWindow (menubar_widget) == win) |
1258 | || (XtWindowToWidget (XtDisplay (menubar_widget), win) | |
1259 | && (XtParent (XtWindowToWidget (XtDisplay (menubar_widget), win)) | |
1260 | == menubar_widget))); | |
2af91681 PR |
1261 | #endif |
1262 | } | |
1263 | ||
1264 | /* Motif hack to set the main window areas. */ | |
1265 | void | |
c3174d16 | 1266 | lw_set_main_areas (Widget parent, Widget menubar, Widget work_area) |
2af91681 PR |
1267 | { |
1268 | #if defined (USE_MOTIF) | |
6618806e | 1269 | xm_set_main_areas (parent, menubar, work_area); |
2af91681 PR |
1270 | #endif |
1271 | } | |
1272 | ||
1273 | /* Manage resizing for Motif. This disables resizing when the menubar | |
1274 | is about to be modified. */ | |
1275 | void | |
db0e17de | 1276 | lw_allow_resizing (Widget w, Boolean flag) |
2af91681 PR |
1277 | { |
1278 | #if defined (USE_MOTIF) | |
f78c5177 | 1279 | xm_manage_resizing (w, flag); |
2af91681 PR |
1280 | #endif |
1281 | } | |
da88f592 GM |
1282 | |
1283 | ||
1284 | /* Value is non-zero if LABEL is a menu separator. If it is, *TYPE is | |
1285 | set to an appropriate enumerator of type enum menu_separator. | |
1286 | MOTIF_P non-zero means map separator types not supported by Motif | |
1287 | to similar ones that are supported. */ | |
1288 | ||
1289 | int | |
d6dcbe70 | 1290 | lw_separator_p (const char *label, enum menu_separator *type, int motif_p) |
da88f592 | 1291 | { |
0f3360b0 | 1292 | int separator_p = 0; |
da88f592 GM |
1293 | |
1294 | if (strlen (label) >= 3 | |
72af86bd | 1295 | && memcmp (label, "--:", 3) == 0) |
da88f592 GM |
1296 | { |
1297 | static struct separator_table | |
1298 | { | |
a953c1e3 | 1299 | const char *name; |
da88f592 GM |
1300 | enum menu_separator type; |
1301 | } | |
1302 | separator_names[] = | |
1303 | { | |
4a5301d8 PJ |
1304 | {"space", SEPARATOR_NO_LINE}, |
1305 | {"noLine", SEPARATOR_NO_LINE}, | |
1306 | {"singleLine", SEPARATOR_SINGLE_LINE}, | |
1307 | {"doubleLine", SEPARATOR_DOUBLE_LINE}, | |
1308 | {"singleDashedLine", SEPARATOR_SINGLE_DASHED_LINE}, | |
1309 | {"doubleDashedLine", SEPARATOR_DOUBLE_DASHED_LINE}, | |
1310 | {"shadowEtchedIn", SEPARATOR_SHADOW_ETCHED_IN}, | |
1311 | {"shadowEtchedOut", SEPARATOR_SHADOW_ETCHED_OUT}, | |
1312 | {"shadowEtchedInDash", SEPARATOR_SHADOW_ETCHED_IN_DASH}, | |
1313 | {"shadowEtchedOutDash", SEPARATOR_SHADOW_ETCHED_OUT_DASH}, | |
1314 | {"shadowDoubleEtchedIn", SEPARATOR_SHADOW_DOUBLE_ETCHED_IN}, | |
1315 | {"shadowDoubleEtchedOut", SEPARATOR_SHADOW_DOUBLE_ETCHED_OUT}, | |
1316 | {"shadowDoubleEtchedInDash", SEPARATOR_SHADOW_DOUBLE_ETCHED_IN_DASH}, | |
1317 | {"shadowDoubleEtchedOutDash", SEPARATOR_SHADOW_DOUBLE_ETCHED_OUT_DASH}, | |
1318 | {0,0} | |
da88f592 GM |
1319 | }; |
1320 | ||
1321 | int i; | |
1322 | ||
1323 | label += 3; | |
1324 | for (i = 0; separator_names[i].name; ++i) | |
1325 | if (strcmp (label, separator_names[i].name) == 0) | |
1326 | { | |
1327 | separator_p = 1; | |
1328 | *type = separator_names[i].type; | |
1329 | ||
2af98732 GM |
1330 | /* If separator type is not supported under Motif, |
1331 | use a similar one. */ | |
1332 | if (motif_p && *type >= SEPARATOR_SHADOW_DOUBLE_ETCHED_IN) | |
1333 | *type -= 4; | |
1334 | break; | |
1335 | } | |
1336 | } | |
1337 | else if (strlen (label) > 3 | |
72af86bd | 1338 | && memcmp (label, "--", 2) == 0 |
46d74a69 | 1339 | && label[2] != '-') |
2af98732 GM |
1340 | { |
1341 | /* Alternative, more Emacs-style names. */ | |
1342 | static struct separator_table | |
1343 | { | |
a953c1e3 | 1344 | const char *name; |
2af98732 GM |
1345 | enum menu_separator type; |
1346 | } | |
1347 | separator_names[] = | |
1348 | { | |
4a5301d8 PJ |
1349 | {"space", SEPARATOR_NO_LINE}, |
1350 | {"no-line", SEPARATOR_NO_LINE}, | |
1351 | {"single-line", SEPARATOR_SINGLE_LINE}, | |
1352 | {"double-line", SEPARATOR_DOUBLE_LINE}, | |
1353 | {"single-dashed-line", SEPARATOR_SINGLE_DASHED_LINE}, | |
1354 | {"double-dashed-line", SEPARATOR_DOUBLE_DASHED_LINE}, | |
1355 | {"shadow-etched-in", SEPARATOR_SHADOW_ETCHED_IN}, | |
1356 | {"shadow-etched-out", SEPARATOR_SHADOW_ETCHED_OUT}, | |
1357 | {"shadow-etched-in-dash", SEPARATOR_SHADOW_ETCHED_IN_DASH}, | |
1358 | {"shadow-etched-out-dash", SEPARATOR_SHADOW_ETCHED_OUT_DASH}, | |
1359 | {"shadow-double-etched-in", SEPARATOR_SHADOW_DOUBLE_ETCHED_IN}, | |
1360 | {"shadow-double-etched-out", SEPARATOR_SHADOW_DOUBLE_ETCHED_OUT}, | |
1361 | {"shadow-double-etched-in-dash", SEPARATOR_SHADOW_DOUBLE_ETCHED_IN_DASH}, | |
1362 | {"shadow-double-etched-out-dash",SEPARATOR_SHADOW_DOUBLE_ETCHED_OUT_DASH}, | |
1363 | {0,0} | |
2af98732 GM |
1364 | }; |
1365 | ||
1366 | int i; | |
1367 | ||
1368 | label += 2; | |
1369 | for (i = 0; separator_names[i].name; ++i) | |
1370 | if (strcmp (label, separator_names[i].name) == 0) | |
1371 | { | |
1372 | separator_p = 1; | |
1373 | *type = separator_names[i].type; | |
1374 | ||
da88f592 GM |
1375 | /* If separator type is not supported under Motif, |
1376 | use a similar one. */ | |
1377 | if (motif_p && *type >= SEPARATOR_SHADOW_DOUBLE_ETCHED_IN) | |
1378 | *type -= 4; | |
1379 | break; | |
1380 | } | |
1381 | } | |
1382 | else | |
1383 | { | |
1384 | /* Old-style separator, maybe. It's a separator if it contains | |
1385 | only dashes. */ | |
1386 | while (*label == '-') | |
1387 | ++label; | |
1388 | separator_p = *label == 0; | |
1389 | *type = SEPARATOR_SHADOW_ETCHED_IN; | |
1390 | } | |
1391 | ||
1392 | return separator_p; | |
1393 | } |