Commit | Line | Data |
---|---|---|
07bf635f | 1 | /* A general interface to the widgets of different toolkits. |
67f02b82 | 2 | |
4424d48a | 3 | Copyright (C) 1992, 1993 Lucid, Inc. |
acaf905b | 4 | Copyright (C) 1994-1996, 1999-2012 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 | |
19 | along with GNU Emacs; see the file COPYING. If not, write to | |
364c38d3 LK |
20 | the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
21 | Boston, MA 02110-1301, USA. */ | |
07bf635f | 22 | |
0f0912e6 PE |
23 | #ifdef HAVE_CONFIG_H |
24 | #include <config.h> | |
25 | #endif | |
26 | ||
d7306fe6 | 27 | #include <setjmp.h> |
67f02b82 | 28 | #include <lisp.h> |
a3bf8a8c | 29 | |
07bf635f | 30 | #include <sys/types.h> |
07bf635f | 31 | #include <stdio.h> |
5f61736f | 32 | #include <ctype.h> |
e7818b5a | 33 | #include "lwlib-int.h" |
07bf635f | 34 | #include "lwlib-utils.h" |
01492d1b | 35 | #include <X11/StringDefs.h> |
07bf635f | 36 | |
07bf635f RS |
37 | #if defined (USE_LUCID) |
38 | #include "lwlib-Xlw.h" | |
39 | #endif | |
40 | #if defined (USE_MOTIF) | |
41 | #include "lwlib-Xm.h" | |
ce5a08a1 FP |
42 | #else /* not USE_MOTIF */ |
43 | #if defined (USE_LUCID) | |
44 | #define USE_XAW | |
45 | #endif /* not USE_MOTIF && USE_LUCID */ | |
07bf635f | 46 | #endif |
9331cca8 | 47 | #if defined (USE_XAW) |
5262c5c7 CY |
48 | #ifdef HAVE_XAW3D |
49 | #include <X11/Xaw3d/Paned.h> | |
50 | #else /* !HAVE_XAW3D */ | |
cec17865 | 51 | #include <X11/Xaw/Paned.h> |
5262c5c7 | 52 | #endif /* HAVE_XAW3D */ |
9331cca8 FP |
53 | #include "lwlib-Xaw.h" |
54 | #endif | |
07bf635f | 55 | |
db0e17de DL |
56 | #if !defined (USE_LUCID) && !defined (USE_MOTIF) |
57 | #error At least one of USE_LUCID or USE_MOTIF must be defined. | |
07bf635f RS |
58 | #endif |
59 | ||
2af91681 PR |
60 | #ifndef max |
61 | #define max(x, y) ((x) > (y) ? (x) : (y)) | |
62 | #endif | |
63 | ||
07bf635f RS |
64 | /* List of all widgets managed by the library. */ |
65 | static widget_info* | |
66 | all_widget_info = NULL; | |
67 | ||
99dcca2f | 68 | #ifdef USE_MOTIF |
a953c1e3 | 69 | const char *lwlib_toolkit_type = "motif"; |
99dcca2f | 70 | #else |
a953c1e3 | 71 | const char *lwlib_toolkit_type = "lucid"; |
99dcca2f | 72 | #endif |
07bf635f | 73 | |
f57e2426 J |
74 | static widget_value *merge_widget_value (widget_value *, |
75 | widget_value *, | |
76 | int, int *); | |
77 | static void instantiate_widget_instance (widget_instance *); | |
d6dcbe70 | 78 | static int my_strcasecmp (const char *, const char *); |
f57e2426 J |
79 | static void safe_free_str (char *); |
80 | static void free_widget_value_tree (widget_value *); | |
81 | static widget_value *copy_widget_value_tree (widget_value *, | |
82 | change_type); | |
a953c1e3 | 83 | static widget_info *allocate_widget_info (const char *, const char *, LWLIB_ID, |
f57e2426 J |
84 | widget_value *, |
85 | lw_callback, lw_callback, | |
86 | lw_callback, lw_callback); | |
87 | static void free_widget_info (widget_info *); | |
88 | static void mark_widget_destroyed (Widget, XtPointer, XtPointer); | |
89 | static widget_instance *allocate_widget_instance (widget_info *, | |
90 | Widget, Boolean); | |
91 | static void free_widget_instance (widget_instance *); | |
92 | static widget_info *get_widget_info (LWLIB_ID, Boolean); | |
93 | static widget_instance *get_widget_instance (Widget, Boolean); | |
94 | static widget_instance *find_instance (LWLIB_ID, Widget, Boolean); | |
d6dcbe70 DN |
95 | static Boolean safe_strcmp (const char *, const char *); |
96 | static Widget name_to_widget (widget_instance *, const char *); | |
f57e2426 J |
97 | static void set_one_value (widget_instance *, widget_value *, Boolean); |
98 | static void update_one_widget_instance (widget_instance *, Boolean); | |
99 | static void update_all_widget_values (widget_info *, Boolean); | |
100 | static void initialize_widget_instance (widget_instance *); | |
d6dcbe70 DN |
101 | static widget_creation_function find_in_table (const char *, const widget_creation_entry *); |
102 | static Boolean dialog_spec_p (const char *); | |
f57e2426 J |
103 | static void destroy_one_instance (widget_instance *); |
104 | static void lw_pop_all_widgets (LWLIB_ID, Boolean); | |
105 | static Boolean get_one_value (widget_instance *, widget_value *); | |
106 | static void show_one_widget_busy (Widget, Boolean); | |
07bf635f | 107 | \f/* utility functions for widget_instance and widget_info */ |
bb2ee72b | 108 | char * |
c3174d16 | 109 | safe_strdup (const char *s) |
07bf635f RS |
110 | { |
111 | char *result; | |
112 | if (! s) return 0; | |
3370edca | 113 | result = (char *) xmalloc (strlen (s) + 1); |
07bf635f RS |
114 | strcpy (result, s); |
115 | return result; | |
116 | } | |
117 | ||
5f61736f RS |
118 | /* Like strcmp but ignore differences in case. */ |
119 | ||
120 | static int | |
d6dcbe70 | 121 | my_strcasecmp (const char *s1, const char *s2) |
5f61736f RS |
122 | { |
123 | while (1) | |
124 | { | |
125 | int c1 = *s1++; | |
126 | int c2 = *s2++; | |
127 | if (isupper (c1)) | |
128 | c1 = tolower (c1); | |
129 | if (isupper (c2)) | |
130 | c2 = tolower (c2); | |
131 | if (c1 != c2) | |
132 | return (c1 > c2 ? 1 : -1); | |
133 | if (c1 == 0) | |
134 | return 0; | |
135 | } | |
136 | } | |
137 | ||
07bf635f | 138 | static void |
c3174d16 | 139 | safe_free_str (char *s) |
07bf635f | 140 | { |
81d40c92 | 141 | xfree (s); |
07bf635f RS |
142 | } |
143 | ||
144 | static widget_value *widget_value_free_list = 0; | |
0b96f00b | 145 | static int malloc_cpt = 0; |
07bf635f RS |
146 | |
147 | widget_value * | |
c3174d16 | 148 | malloc_widget_value (void) |
07bf635f RS |
149 | { |
150 | widget_value *wv; | |
151 | if (widget_value_free_list) | |
152 | { | |
153 | wv = widget_value_free_list; | |
154 | widget_value_free_list = wv->free_list; | |
155 | wv->free_list = 0; | |
156 | } | |
157 | else | |
158 | { | |
3370edca | 159 | wv = (widget_value *) xmalloc (sizeof (widget_value)); |
0b96f00b | 160 | malloc_cpt++; |
07bf635f | 161 | } |
72af86bd | 162 | memset ((void*) wv, 0, sizeof (widget_value)); |
07bf635f RS |
163 | return wv; |
164 | } | |
165 | ||
7ef3956a | 166 | /* this is analogous to free(). It frees only what was allocated |
177c0ea7 | 167 | by malloc_widget_value(), and no substructures. |
07bf635f RS |
168 | */ |
169 | void | |
c3174d16 | 170 | free_widget_value (widget_value *wv) |
07bf635f RS |
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. */ | |
81d40c92 | 179 | xfree (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 | |
c3174d16 | 190 | free_widget_value_tree (widget_value *wv) |
07bf635f RS |
191 | { |
192 | if (!wv) | |
193 | return; | |
194 | ||
81d40c92 DA |
195 | xfree (wv->name); |
196 | xfree (wv->value); | |
197 | xfree (wv->key); | |
07bf635f | 198 | |
a3bf8a8c | 199 | wv->name = wv->value = wv->key = (char *) 0xDEADBEEF; |
07bf635f RS |
200 | |
201 | if (wv->toolkit_data && wv->free_toolkit_data) | |
202 | { | |
53e28d2a | 203 | XtFree (wv->toolkit_data); |
07bf635f RS |
204 | wv->toolkit_data = (void *) 0xDEADBEEF; |
205 | } | |
206 | ||
207 | if (wv->contents && (wv->contents != (widget_value*)1)) | |
208 | { | |
209 | free_widget_value_tree (wv->contents); | |
210 | wv->contents = (widget_value *) 0xDEADBEEF; | |
211 | } | |
212 | if (wv->next) | |
213 | { | |
214 | free_widget_value_tree (wv->next); | |
215 | wv->next = (widget_value *) 0xDEADBEEF; | |
216 | } | |
217 | free_widget_value (wv); | |
218 | } | |
219 | ||
220 | static widget_value * | |
c3174d16 | 221 | copy_widget_value_tree (widget_value *val, change_type change) |
07bf635f RS |
222 | { |
223 | widget_value* copy; | |
177c0ea7 | 224 | |
07bf635f RS |
225 | if (!val) |
226 | return NULL; | |
227 | if (val == (widget_value *) 1) | |
228 | return val; | |
229 | ||
230 | copy = malloc_widget_value (); | |
231 | copy->name = safe_strdup (val->name); | |
232 | copy->value = safe_strdup (val->value); | |
233 | copy->key = safe_strdup (val->key); | |
a3bf8a8c | 234 | copy->help = val->help; |
07bf635f | 235 | copy->enabled = val->enabled; |
da88f592 | 236 | copy->button_type = val->button_type; |
07bf635f RS |
237 | copy->selected = val->selected; |
238 | copy->edited = False; | |
239 | copy->change = change; | |
0c12a958 | 240 | copy->this_one_change = change; |
07bf635f RS |
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 * | |
a953c1e3 DN |
250 | allocate_widget_info (const char* type, |
251 | const char* name, | |
c825c0b6 J |
252 | LWLIB_ID id, |
253 | widget_value* val, | |
254 | lw_callback pre_activate_cb, | |
255 | lw_callback selection_cb, | |
256 | lw_callback post_activate_cb, | |
257 | lw_callback highlight_cb) | |
07bf635f | 258 | { |
3370edca | 259 | widget_info* info = (widget_info*) xmalloc (sizeof (widget_info)); |
07bf635f RS |
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; | |
02512b20 | 268 | info->highlight_cb = highlight_cb; |
07bf635f RS |
269 | info->instances = NULL; |
270 | ||
271 | info->next = all_widget_info; | |
272 | all_widget_info = info; | |
273 | ||
274 | return info; | |
275 | } | |
276 | ||
277 | static void | |
c3174d16 | 278 | free_widget_info (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); | |
72af86bd | 283 | memset ((void*)info, 0xDEADBEEF, sizeof (widget_info)); |
81d40c92 | 284 | xfree (info); |
07bf635f RS |
285 | } |
286 | ||
287 | static void | |
c3174d16 | 288 | mark_widget_destroyed (Widget widget, XtPointer closure, XtPointer call_data) |
07bf635f RS |
289 | { |
290 | widget_instance* instance = (widget_instance*)closure; | |
291 | ||
292 | /* be very conservative */ | |
293 | if (instance->widget == widget) | |
294 | instance->widget = NULL; | |
295 | } | |
296 | ||
297 | static widget_instance * | |
db0e17de | 298 | allocate_widget_instance (widget_info* info, Widget parent, Boolean pop_up_p) |
07bf635f RS |
299 | { |
300 | widget_instance* instance = | |
3370edca | 301 | (widget_instance*) xmalloc (sizeof (widget_instance)); |
72af86bd | 302 | memset (instance, 0, sizeof *instance); |
07bf635f RS |
303 | instance->parent = parent; |
304 | instance->pop_up_p = pop_up_p; | |
305 | instance->info = info; | |
306 | instance->next = info->instances; | |
307 | info->instances = instance; | |
308 | ||
7ef3956a | 309 | instantiate_widget_instance (instance); |
07bf635f RS |
310 | |
311 | XtAddCallback (instance->widget, XtNdestroyCallback, | |
312 | mark_widget_destroyed, (XtPointer)instance); | |
313 | return instance; | |
314 | } | |
315 | ||
316 | static void | |
c3174d16 | 317 | free_widget_instance (widget_instance *instance) |
07bf635f | 318 | { |
72af86bd | 319 | memset ((void*)instance, 0xDEADBEEF, sizeof (widget_instance)); |
81d40c92 | 320 | xfree (instance); |
07bf635f RS |
321 | } |
322 | ||
323 | static widget_info * | |
db0e17de | 324 | get_widget_info (LWLIB_ID id, Boolean remove_p) |
07bf635f RS |
325 | { |
326 | widget_info* info; | |
327 | widget_info* prev; | |
328 | for (prev = NULL, info = all_widget_info; | |
329 | info; | |
330 | prev = info, info = info->next) | |
331 | if (info->id == id) | |
332 | { | |
333 | if (remove_p) | |
334 | { | |
335 | if (prev) | |
336 | prev->next = info->next; | |
337 | else | |
338 | all_widget_info = info->next; | |
339 | } | |
340 | return info; | |
341 | } | |
342 | return NULL; | |
343 | } | |
344 | ||
9331cca8 FP |
345 | /* Internal function used by the library dependent implementation to get the |
346 | widget_value for a given widget in an instance */ | |
347 | widget_info * | |
c3174d16 | 348 | lw_get_widget_info (LWLIB_ID id) |
9331cca8 FP |
349 | { |
350 | return get_widget_info (id, 0); | |
351 | } | |
352 | ||
07bf635f | 353 | static widget_instance * |
db0e17de | 354 | get_widget_instance (Widget widget, Boolean remove_p) |
07bf635f RS |
355 | { |
356 | widget_info* info; | |
357 | widget_instance* instance; | |
358 | widget_instance* prev; | |
359 | for (info = all_widget_info; info; info = info->next) | |
360 | for (prev = NULL, instance = info->instances; | |
361 | instance; | |
362 | prev = instance, instance = instance->next) | |
363 | if (instance->widget == widget) | |
364 | { | |
365 | if (remove_p) | |
366 | { | |
367 | if (prev) | |
368 | prev->next = instance->next; | |
369 | else | |
370 | info->instances = instance->next; | |
371 | } | |
372 | return instance; | |
373 | } | |
374 | return (widget_instance *) 0; | |
375 | } | |
376 | ||
02512b20 GM |
377 | /* Value is a pointer to the widget_instance corresponding to |
378 | WIDGET, or null if WIDGET is not a lwlib widget. */ | |
379 | ||
380 | widget_instance * | |
c3174d16 | 381 | lw_get_widget_instance (Widget widget) |
02512b20 GM |
382 | { |
383 | return get_widget_instance (widget, False); | |
384 | } | |
385 | ||
07bf635f | 386 | static widget_instance* |
db0e17de | 387 | find_instance (LWLIB_ID id, Widget parent, Boolean pop_up_p) |
07bf635f RS |
388 | { |
389 | widget_info* info = get_widget_info (id, False); | |
390 | widget_instance* instance; | |
391 | ||
392 | if (info) | |
393 | for (instance = info->instances; instance; instance = instance->next) | |
394 | if (instance->parent == parent && instance->pop_up_p == pop_up_p) | |
395 | return instance; | |
396 | ||
397 | return NULL; | |
398 | } | |
399 | ||
400 | \f | |
401 | /* utility function for widget_value */ | |
402 | static Boolean | |
d6dcbe70 | 403 | safe_strcmp (const char *s1, const char *s2) |
07bf635f RS |
404 | { |
405 | if (!!s1 ^ !!s2) return True; | |
406 | return (s1 && s2) ? strcmp (s1, s2) : s1 ? False : !!s2; | |
407 | } | |
408 | ||
07bf635f RS |
409 | |
410 | #if 0 | |
411 | # define EXPLAIN(name, oc, nc, desc, a1, a2) \ | |
412 | printf ("Change: \"%s\"\tmax(%s=%d,%s=%d)\t%s %d %d\n", \ | |
413 | name, \ | |
414 | (oc == NO_CHANGE ? "none" : \ | |
415 | (oc == INVISIBLE_CHANGE ? "invisible" : \ | |
416 | (oc == VISIBLE_CHANGE ? "visible" : \ | |
417 | (oc == STRUCTURAL_CHANGE ? "structural" : "???")))), \ | |
418 | oc, \ | |
419 | (nc == NO_CHANGE ? "none" : \ | |
420 | (nc == INVISIBLE_CHANGE ? "invisible" : \ | |
421 | (nc == VISIBLE_CHANGE ? "visible" : \ | |
422 | (nc == STRUCTURAL_CHANGE ? "structural" : "???")))), \ | |
423 | nc, desc, a1, a2) | |
424 | #else | |
9ac71959 | 425 | # define EXPLAIN(name, oc, nc, desc, a1, a2) ((void) 0) |
07bf635f RS |
426 | #endif |
427 | ||
428 | ||
429 | static widget_value * | |
c825c0b6 J |
430 | merge_widget_value (widget_value *val1, |
431 | widget_value *val2, | |
432 | int level, | |
433 | int *change_p) | |
07bf635f | 434 | { |
0c12a958 | 435 | change_type change, this_one_change; |
07bf635f RS |
436 | widget_value* merged_next; |
437 | widget_value* merged_contents; | |
438 | ||
439 | if (!val1) | |
440 | { | |
441 | if (val2) | |
a17063b5 GM |
442 | { |
443 | *change_p = 1; | |
444 | return copy_widget_value_tree (val2, STRUCTURAL_CHANGE); | |
445 | } | |
07bf635f RS |
446 | else |
447 | return NULL; | |
448 | } | |
449 | if (!val2) | |
450 | { | |
a17063b5 | 451 | *change_p = 1; |
07bf635f RS |
452 | free_widget_value_tree (val1); |
453 | return NULL; | |
454 | } | |
177c0ea7 | 455 | |
07bf635f RS |
456 | change = NO_CHANGE; |
457 | ||
458 | if (safe_strcmp (val1->name, val2->name)) | |
459 | { | |
460 | EXPLAIN (val1->name, change, STRUCTURAL_CHANGE, "name change", | |
461 | val1->name, val2->name); | |
462 | change = max (change, STRUCTURAL_CHANGE); | |
463 | safe_free_str (val1->name); | |
464 | val1->name = safe_strdup (val2->name); | |
465 | } | |
466 | if (safe_strcmp (val1->value, val2->value)) | |
467 | { | |
468 | EXPLAIN (val1->name, change, VISIBLE_CHANGE, "value change", | |
469 | val1->value, val2->value); | |
470 | change = max (change, VISIBLE_CHANGE); | |
471 | safe_free_str (val1->value); | |
472 | val1->value = safe_strdup (val2->value); | |
473 | } | |
474 | if (safe_strcmp (val1->key, val2->key)) | |
475 | { | |
476 | EXPLAIN (val1->name, change, VISIBLE_CHANGE, "key change", | |
477 | val1->key, val2->key); | |
478 | change = max (change, VISIBLE_CHANGE); | |
479 | safe_free_str (val1->key); | |
480 | val1->key = safe_strdup (val2->key); | |
481 | } | |
a3bf8a8c | 482 | if (! EQ (val1->help, val2->help)) |
02512b20 GM |
483 | { |
484 | EXPLAIN (val1->name, change, VISIBLE_CHANGE, "help change", | |
485 | val1->help, val2->help); | |
486 | change = max (change, VISIBLE_CHANGE); | |
a3bf8a8c | 487 | val1->help = val2->help; |
02512b20 | 488 | } |
07bf635f RS |
489 | if (val1->enabled != val2->enabled) |
490 | { | |
491 | EXPLAIN (val1->name, change, VISIBLE_CHANGE, "enablement change", | |
492 | val1->enabled, val2->enabled); | |
493 | change = max (change, VISIBLE_CHANGE); | |
494 | val1->enabled = val2->enabled; | |
495 | } | |
da88f592 GM |
496 | if (val1->button_type != val2->button_type) |
497 | { | |
498 | EXPLAIN (val1->name, change, VISIBLE_CHANGE, "button type change", | |
499 | val1->button_type, val2->button_type); | |
500 | change = max (change, VISIBLE_CHANGE); | |
501 | val1->button_type = val2->button_type; | |
502 | } | |
07bf635f RS |
503 | if (val1->selected != val2->selected) |
504 | { | |
505 | EXPLAIN (val1->name, change, VISIBLE_CHANGE, "selection change", | |
506 | val1->selected, val2->selected); | |
507 | change = max (change, VISIBLE_CHANGE); | |
508 | val1->selected = val2->selected; | |
509 | } | |
510 | if (val1->call_data != val2->call_data) | |
511 | { | |
512 | EXPLAIN (val1->name, change, INVISIBLE_CHANGE, "call-data change", | |
513 | val1->call_data, val2->call_data); | |
514 | change = max (change, INVISIBLE_CHANGE); | |
515 | val1->call_data = val2->call_data; | |
516 | } | |
517 | ||
518 | if (level > 0) | |
519 | { | |
520 | merged_contents = | |
a17063b5 GM |
521 | merge_widget_value (val1->contents, val2->contents, level - 1, |
522 | change_p); | |
177c0ea7 | 523 | |
07bf635f RS |
524 | if (val1->contents && !merged_contents) |
525 | { | |
7ef3956a RS |
526 | /* This used to say INVISIBLE_CHANGE, |
527 | but it is visible and vitally important when | |
528 | the contents of the menu bar itself are entirely deleted. | |
529 | ||
530 | But maybe it doesn't matter. This fails to fix the bug. */ | |
531 | EXPLAIN (val1->name, change, STRUCTURAL_CHANGE, "(contents gone)", | |
07bf635f | 532 | 0, 0); |
7ef3956a | 533 | change = max (change, STRUCTURAL_CHANGE); |
07bf635f RS |
534 | } |
535 | else if (merged_contents && merged_contents->change != NO_CHANGE) | |
536 | { | |
537 | EXPLAIN (val1->name, change, INVISIBLE_CHANGE, "(contents change)", | |
538 | 0, 0); | |
539 | change = max (change, INVISIBLE_CHANGE); | |
61069f2b | 540 | #if 0 /* This was replaced by the August 9 1996 change in lwlib-Xm.c. */ |
2fe6d204 RS |
541 | #ifdef USE_MOTIF |
542 | change = max (merged_contents->change, change); | |
61069f2b | 543 | #endif |
2fe6d204 | 544 | #endif |
07bf635f | 545 | } |
177c0ea7 | 546 | |
07bf635f RS |
547 | val1->contents = merged_contents; |
548 | } | |
549 | ||
0c12a958 RS |
550 | this_one_change = change; |
551 | ||
a17063b5 | 552 | merged_next = merge_widget_value (val1->next, val2->next, level, change_p); |
07bf635f RS |
553 | |
554 | if (val1->next && !merged_next) | |
555 | { | |
556 | EXPLAIN (val1->name, change, STRUCTURAL_CHANGE, "(following gone)", | |
557 | 0, 0); | |
558 | change = max (change, STRUCTURAL_CHANGE); | |
559 | } | |
560 | else if (merged_next) | |
561 | { | |
562 | if (merged_next->change) | |
563 | EXPLAIN (val1->name, change, merged_next->change, "(following change)", | |
564 | 0, 0); | |
565 | change = max (change, merged_next->change); | |
566 | } | |
567 | ||
568 | val1->next = merged_next; | |
569 | ||
0c12a958 | 570 | val1->this_one_change = this_one_change; |
07bf635f | 571 | val1->change = change; |
177c0ea7 | 572 | |
07bf635f RS |
573 | if (change > NO_CHANGE && val1->toolkit_data) |
574 | { | |
a17063b5 | 575 | *change_p = 1; |
07bf635f | 576 | if (val1->free_toolkit_data) |
53e28d2a | 577 | XtFree (val1->toolkit_data); |
07bf635f RS |
578 | val1->toolkit_data = NULL; |
579 | } | |
580 | ||
581 | return val1; | |
582 | } | |
583 | ||
584 | \f | |
585 | /* modifying the widgets */ | |
586 | static Widget | |
d6dcbe70 | 587 | name_to_widget (widget_instance *instance, const char *name) |
07bf635f RS |
588 | { |
589 | Widget widget = NULL; | |
590 | ||
591 | if (!instance->widget) | |
592 | return NULL; | |
593 | ||
594 | if (!strcmp (XtName (instance->widget), name)) | |
595 | widget = instance->widget; | |
596 | else | |
597 | { | |
598 | int length = strlen (name) + 2; | |
f60044f5 | 599 | char* real_name = (char *) xmalloc (length); |
07bf635f RS |
600 | real_name [0] = '*'; |
601 | strcpy (real_name + 1, name); | |
177c0ea7 | 602 | |
07bf635f | 603 | widget = XtNameToWidget (instance->widget, real_name); |
f60044f5 | 604 | |
81d40c92 | 605 | xfree (real_name); |
07bf635f RS |
606 | } |
607 | return widget; | |
608 | } | |
609 | ||
610 | static void | |
db0e17de | 611 | set_one_value (widget_instance* instance, widget_value* val, Boolean deep_p) |
07bf635f RS |
612 | { |
613 | Widget widget = name_to_widget (instance, val->name); | |
177c0ea7 | 614 | |
07bf635f RS |
615 | if (widget) |
616 | { | |
617 | #if defined (USE_LUCID) | |
618 | if (lw_lucid_widget_p (instance->widget)) | |
619 | xlw_update_one_widget (instance, widget, val, deep_p); | |
620 | #endif | |
621 | #if defined (USE_MOTIF) | |
622 | if (lw_motif_widget_p (instance->widget)) | |
623 | xm_update_one_widget (instance, widget, val, deep_p); | |
624 | #endif | |
9331cca8 FP |
625 | #if defined (USE_XAW) |
626 | if (lw_xaw_widget_p (instance->widget)) | |
627 | xaw_update_one_widget (instance, widget, val, deep_p); | |
07bf635f RS |
628 | #endif |
629 | } | |
630 | } | |
631 | ||
632 | static void | |
db0e17de | 633 | update_one_widget_instance (widget_instance* instance, Boolean deep_p) |
07bf635f RS |
634 | { |
635 | widget_value *val; | |
636 | ||
637 | if (!instance->widget) | |
638 | /* the widget was destroyed */ | |
639 | return; | |
640 | ||
641 | for (val = instance->info->val; val; val = val->next) | |
642 | if (val->change != NO_CHANGE) | |
643 | set_one_value (instance, val, deep_p); | |
644 | } | |
645 | ||
646 | static void | |
db0e17de | 647 | update_all_widget_values (widget_info* info, Boolean deep_p) |
07bf635f RS |
648 | { |
649 | widget_instance* instance; | |
650 | widget_value* val; | |
651 | ||
652 | for (instance = info->instances; instance; instance = instance->next) | |
653 | update_one_widget_instance (instance, deep_p); | |
654 | ||
655 | for (val = info->val; val; val = val->next) | |
656 | val->change = NO_CHANGE; | |
657 | } | |
658 | ||
a17063b5 | 659 | int |
db0e17de | 660 | lw_modify_all_widgets (LWLIB_ID id, widget_value* val, Boolean deep_p) |
07bf635f RS |
661 | { |
662 | widget_info* info = get_widget_info (id, False); | |
663 | widget_value* new_val; | |
664 | widget_value* next_new_val; | |
665 | widget_value* cur; | |
666 | widget_value* prev; | |
667 | widget_value* next; | |
668 | int found; | |
a17063b5 | 669 | int change_p = 0; |
07bf635f RS |
670 | |
671 | if (!info) | |
fdc4d3cd | 672 | return 0; |
07bf635f RS |
673 | |
674 | for (new_val = val; new_val; new_val = new_val->next) | |
675 | { | |
676 | next_new_val = new_val->next; | |
677 | new_val->next = NULL; | |
678 | found = False; | |
679 | for (prev = NULL, cur = info->val; cur; prev = cur, cur = cur->next) | |
680 | if (!strcmp (cur->name, new_val->name)) | |
681 | { | |
682 | found = True; | |
683 | next = cur->next; | |
684 | cur->next = NULL; | |
a17063b5 GM |
685 | cur = merge_widget_value (cur, new_val, deep_p ? 1000 : 1, |
686 | &change_p); | |
07bf635f RS |
687 | if (prev) |
688 | prev->next = cur ? cur : next; | |
689 | else | |
690 | info->val = cur ? cur : next; | |
691 | if (cur) | |
692 | cur->next = next; | |
693 | break; | |
694 | } | |
695 | if (!found) | |
696 | { | |
697 | /* Could not find it, add it */ | |
698 | if (prev) | |
699 | prev->next = copy_widget_value_tree (new_val, STRUCTURAL_CHANGE); | |
700 | else | |
701 | info->val = copy_widget_value_tree (new_val, STRUCTURAL_CHANGE); | |
a17063b5 | 702 | change_p = 1; |
07bf635f RS |
703 | } |
704 | new_val->next = next_new_val; | |
705 | } | |
706 | ||
707 | update_all_widget_values (info, deep_p); | |
a17063b5 | 708 | return change_p; |
07bf635f RS |
709 | } |
710 | ||
711 | \f | |
712 | /* creating the widgets */ | |
713 | ||
714 | static void | |
c3174d16 | 715 | initialize_widget_instance (widget_instance *instance) |
07bf635f RS |
716 | { |
717 | widget_value* val; | |
718 | ||
719 | for (val = instance->info->val; val; val = val->next) | |
720 | val->change = STRUCTURAL_CHANGE; | |
721 | ||
722 | update_one_widget_instance (instance, True); | |
723 | ||
724 | for (val = instance->info->val; val; val = val->next) | |
725 | val->change = NO_CHANGE; | |
726 | } | |
727 | ||
728 | ||
729 | static widget_creation_function | |
d6dcbe70 | 730 | find_in_table (const char *type, const widget_creation_entry *table) |
07bf635f | 731 | { |
d6dcbe70 | 732 | const widget_creation_entry* cur; |
07bf635f | 733 | for (cur = table; cur->type; cur++) |
ed9c1473 | 734 | if (!my_strcasecmp (type, cur->type)) |
07bf635f RS |
735 | return cur->function; |
736 | return NULL; | |
737 | } | |
738 | ||
739 | static Boolean | |
d6dcbe70 | 740 | dialog_spec_p (const char *name) |
07bf635f | 741 | { |
177c0ea7 | 742 | /* return True if name matches [EILPQeilpq][1-9][Bb] or |
07bf635f RS |
743 | [EILPQeilpq][1-9][Bb][Rr][1-9] */ |
744 | if (!name) | |
745 | return False; | |
177c0ea7 | 746 | |
07bf635f RS |
747 | switch (name [0]) |
748 | { | |
749 | case 'E': case 'I': case 'L': case 'P': case 'Q': | |
750 | case 'e': case 'i': case 'l': case 'p': case 'q': | |
751 | if (name [1] >= '0' && name [1] <= '9') | |
752 | { | |
753 | if (name [2] != 'B' && name [2] != 'b') | |
754 | return False; | |
755 | if (!name [3]) | |
756 | return True; | |
757 | if ((name [3] == 'T' || name [3] == 't') && !name [4]) | |
758 | return True; | |
759 | if ((name [3] == 'R' || name [3] == 'r') | |
760 | && name [4] >= '0' && name [4] <= '9' && !name [5]) | |
761 | return True; | |
762 | return False; | |
763 | } | |
764 | else | |
765 | return False; | |
177c0ea7 | 766 | |
07bf635f RS |
767 | default: |
768 | return False; | |
769 | } | |
770 | } | |
771 | ||
772 | static void | |
c3174d16 | 773 | instantiate_widget_instance (widget_instance *instance) |
07bf635f RS |
774 | { |
775 | widget_creation_function function = NULL; | |
776 | ||
777 | #if defined (USE_LUCID) | |
778 | if (!function) | |
779 | function = find_in_table (instance->info->type, xlw_creation_table); | |
780 | #endif | |
781 | #if defined(USE_MOTIF) | |
782 | if (!function) | |
783 | function = find_in_table (instance->info->type, xm_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; | |
07bf635f RS |
804 | #endif |
805 | } | |
806 | } | |
177c0ea7 | 807 | |
07bf635f RS |
808 | if (!function) |
809 | { | |
810 | printf ("No creation function for widget type %s\n", | |
811 | instance->info->type); | |
812 | abort (); | |
813 | } | |
814 | ||
815 | instance->widget = (*function) (instance); | |
816 | ||
817 | if (!instance->widget) | |
818 | abort (); | |
819 | ||
820 | /* XtRealizeWidget (instance->widget);*/ | |
821 | } | |
822 | ||
177c0ea7 | 823 | void |
a953c1e3 DN |
824 | lw_register_widget (const char* type, |
825 | const char* name, | |
c825c0b6 J |
826 | LWLIB_ID id, |
827 | widget_value* val, | |
828 | lw_callback pre_activate_cb, | |
829 | lw_callback selection_cb, | |
830 | lw_callback post_activate_cb, | |
831 | lw_callback highlight_cb) | |
07bf635f RS |
832 | { |
833 | if (!get_widget_info (id, False)) | |
834 | allocate_widget_info (type, name, id, val, pre_activate_cb, selection_cb, | |
02512b20 | 835 | post_activate_cb, highlight_cb); |
07bf635f RS |
836 | } |
837 | ||
838 | Widget | |
db0e17de | 839 | lw_get_widget (LWLIB_ID id, Widget parent, Boolean pop_up_p) |
07bf635f RS |
840 | { |
841 | widget_instance* instance; | |
177c0ea7 | 842 | |
07bf635f RS |
843 | instance = find_instance (id, parent, pop_up_p); |
844 | return instance ? instance->widget : NULL; | |
845 | } | |
846 | ||
847 | Widget | |
db0e17de | 848 | lw_make_widget (LWLIB_ID id, Widget parent, Boolean pop_up_p) |
07bf635f RS |
849 | { |
850 | widget_instance* instance; | |
851 | widget_info* info; | |
177c0ea7 | 852 | |
07bf635f RS |
853 | instance = find_instance (id, parent, pop_up_p); |
854 | if (!instance) | |
855 | { | |
856 | info = get_widget_info (id, False); | |
857 | if (!info) | |
858 | return NULL; | |
859 | instance = allocate_widget_instance (info, parent, pop_up_p); | |
860 | initialize_widget_instance (instance); | |
861 | } | |
862 | if (!instance->widget) | |
863 | abort (); | |
864 | return instance->widget; | |
865 | } | |
866 | ||
867 | Widget | |
a953c1e3 | 868 | lw_create_widget (const char* type, const char* name, LWLIB_ID id, widget_value* val, |
db0e17de DL |
869 | Widget parent, Boolean pop_up_p, |
870 | lw_callback pre_activate_cb, lw_callback selection_cb, | |
871 | lw_callback post_activate_cb, lw_callback highlight_cb) | |
07bf635f RS |
872 | { |
873 | lw_register_widget (type, name, id, val, pre_activate_cb, selection_cb, | |
02512b20 | 874 | post_activate_cb, highlight_cb); |
07bf635f RS |
875 | return lw_make_widget (id, parent, pop_up_p); |
876 | } | |
177c0ea7 | 877 | |
07bf635f RS |
878 | \f |
879 | /* destroying the widgets */ | |
880 | static void | |
c3174d16 | 881 | destroy_one_instance (widget_instance *instance) |
07bf635f RS |
882 | { |
883 | /* Remove the destroy callback on the widget; that callback will try to | |
884 | dereference the instance object (to set its widget slot to 0, since the | |
885 | widget is dead.) Since the instance is now dead, we don't have to worry | |
886 | about the fact that its widget is dead too. | |
887 | ||
888 | This happens in the Phase2Destroy of the widget, so this callback would | |
889 | not have been run until arbitrarily long after the instance was freed. | |
890 | */ | |
891 | if (instance->widget) | |
892 | XtRemoveCallback (instance->widget, XtNdestroyCallback, | |
893 | mark_widget_destroyed, (XtPointer)instance); | |
894 | ||
895 | if (instance->widget) | |
896 | { | |
897 | /* The else are pretty tricky here, including the empty statement | |
898 | at the end because it would be very bad to destroy a widget | |
899 | twice. */ | |
900 | #if defined (USE_LUCID) | |
901 | if (lw_lucid_widget_p (instance->widget)) | |
902 | xlw_destroy_instance (instance); | |
903 | else | |
904 | #endif | |
905 | #if defined (USE_MOTIF) | |
906 | if (lw_motif_widget_p (instance->widget)) | |
907 | xm_destroy_instance (instance); | |
908 | else | |
909 | #endif | |
9331cca8 FP |
910 | #if defined (USE_XAW) |
911 | if (lw_xaw_widget_p (instance->widget)) | |
912 | xaw_destroy_instance (instance); | |
177c0ea7 | 913 | else |
07bf635f | 914 | #endif |
9ac71959 PE |
915 | { |
916 | /* Empty compound statement to terminate if-then-else chain. */ | |
917 | } | |
07bf635f RS |
918 | } |
919 | ||
920 | free_widget_instance (instance); | |
921 | } | |
922 | ||
923 | void | |
c3174d16 | 924 | lw_destroy_widget (Widget w) |
07bf635f RS |
925 | { |
926 | widget_instance* instance = get_widget_instance (w, True); | |
177c0ea7 | 927 | |
07bf635f RS |
928 | if (instance) |
929 | { | |
930 | widget_info *info = instance->info; | |
931 | /* instance has already been removed from the list; free it */ | |
932 | destroy_one_instance (instance); | |
933 | /* if there are no instances left, free the info too */ | |
934 | if (!info->instances) | |
935 | lw_destroy_all_widgets (info->id); | |
936 | } | |
937 | } | |
938 | ||
939 | void | |
c3174d16 | 940 | lw_destroy_all_widgets (LWLIB_ID id) |
07bf635f RS |
941 | { |
942 | widget_info* info = get_widget_info (id, True); | |
943 | widget_instance* instance; | |
944 | widget_instance* next; | |
945 | ||
946 | if (info) | |
947 | { | |
948 | for (instance = info->instances; instance; ) | |
949 | { | |
950 | next = instance->next; | |
951 | destroy_one_instance (instance); | |
952 | instance = next; | |
953 | } | |
954 | free_widget_info (info); | |
955 | } | |
956 | } | |
957 | ||
958 | void | |
c3174d16 | 959 | lw_destroy_everything (void) |
07bf635f RS |
960 | { |
961 | while (all_widget_info) | |
962 | lw_destroy_all_widgets (all_widget_info->id); | |
963 | } | |
964 | ||
965 | void | |
c3174d16 | 966 | lw_destroy_all_pop_ups (void) |
07bf635f RS |
967 | { |
968 | widget_info* info; | |
969 | widget_info* next; | |
970 | widget_instance* instance; | |
971 | ||
972 | for (info = all_widget_info; info; info = next) | |
973 | { | |
974 | next = info->next; | |
975 | instance = info->instances; | |
976 | if (instance && instance->pop_up_p) | |
977 | lw_destroy_all_widgets (info->id); | |
978 | } | |
979 | } | |
980 | ||
981 | #ifdef USE_MOTIF | |
748945cc | 982 | extern Widget first_child (Widget); /* garbage */ |
07bf635f RS |
983 | #endif |
984 | ||
985 | Widget | |
c3174d16 | 986 | lw_raise_all_pop_up_widgets (void) |
07bf635f RS |
987 | { |
988 | widget_info* info; | |
989 | widget_instance* instance; | |
990 | Widget result = NULL; | |
991 | ||
992 | for (info = all_widget_info; info; info = info->next) | |
993 | for (instance = info->instances; instance; instance = instance->next) | |
994 | if (instance->pop_up_p) | |
995 | { | |
996 | Widget widget = instance->widget; | |
997 | if (widget) | |
998 | { | |
999 | if (XtIsManaged (widget) | |
1000 | #ifdef USE_MOTIF | |
1001 | /* What a complete load of crap!!!! | |
1002 | When a dialogShell is on the screen, it is not managed! | |
1003 | */ | |
1004 | || (lw_motif_widget_p (instance->widget) && | |
1005 | XtIsManaged (first_child (widget))) | |
1006 | #endif | |
1007 | ) | |
1008 | { | |
1009 | if (!result) | |
1010 | result = widget; | |
1011 | XMapRaised (XtDisplay (widget), XtWindow (widget)); | |
1012 | } | |
1013 | } | |
1014 | } | |
1015 | return result; | |
1016 | } | |
1017 | ||
1018 | static void | |
db0e17de | 1019 | lw_pop_all_widgets (LWLIB_ID id, Boolean up) |
07bf635f RS |
1020 | { |
1021 | widget_info* info = get_widget_info (id, False); | |
1022 | widget_instance* instance; | |
1023 | ||
1024 | if (info) | |
1025 | for (instance = info->instances; instance; instance = instance->next) | |
1026 | if (instance->pop_up_p && instance->widget) | |
1027 | { | |
07bf635f RS |
1028 | #if defined (USE_LUCID) |
1029 | if (lw_lucid_widget_p (instance->widget)) | |
9331cca8 FP |
1030 | { |
1031 | XtRealizeWidget (instance->widget); | |
1032 | xlw_pop_instance (instance, up); | |
1033 | } | |
07bf635f RS |
1034 | #endif |
1035 | #if defined (USE_MOTIF) | |
1036 | if (lw_motif_widget_p (instance->widget)) | |
9331cca8 FP |
1037 | { |
1038 | XtRealizeWidget (instance->widget); | |
1039 | xm_pop_instance (instance, up); | |
1040 | } | |
07bf635f | 1041 | #endif |
9331cca8 FP |
1042 | #if defined (USE_XAW) |
1043 | if (lw_xaw_widget_p (instance->widget)) | |
1044 | { | |
1045 | XtRealizeWidget (XtParent (instance->widget)); | |
1046 | XtRealizeWidget (instance->widget); | |
1047 | xaw_pop_instance (instance, up); | |
1048 | } | |
07bf635f RS |
1049 | #endif |
1050 | } | |
1051 | } | |
1052 | ||
1053 | void | |
c3174d16 | 1054 | lw_pop_up_all_widgets (LWLIB_ID id) |
07bf635f RS |
1055 | { |
1056 | lw_pop_all_widgets (id, True); | |
1057 | } | |
1058 | ||
1059 | void | |
c3174d16 | 1060 | lw_pop_down_all_widgets (LWLIB_ID id) |
07bf635f RS |
1061 | { |
1062 | lw_pop_all_widgets (id, False); | |
1063 | } | |
1064 | ||
1065 | void | |
c3174d16 | 1066 | lw_popup_menu (Widget widget, XEvent *event) |
07bf635f RS |
1067 | { |
1068 | #if defined (USE_LUCID) | |
1069 | if (lw_lucid_widget_p (widget)) | |
5b3b31d6 | 1070 | xlw_popup_menu (widget, event); |
07bf635f RS |
1071 | #endif |
1072 | #if defined (USE_MOTIF) | |
1073 | if (lw_motif_widget_p (widget)) | |
5b3b31d6 | 1074 | xm_popup_menu (widget, event); |
07bf635f | 1075 | #endif |
9331cca8 FP |
1076 | #if defined (USE_XAW) |
1077 | if (lw_xaw_widget_p (widget)) | |
5b3b31d6 | 1078 | xaw_popup_menu (widget, event); |
9331cca8 | 1079 | #endif |
07bf635f RS |
1080 | } |
1081 | ||
1082 | \f/* get the values back */ | |
1083 | static Boolean | |
c3174d16 | 1084 | get_one_value (widget_instance *instance, widget_value *val) |
07bf635f RS |
1085 | { |
1086 | Widget widget = name_to_widget (instance, val->name); | |
177c0ea7 | 1087 | |
07bf635f RS |
1088 | if (widget) |
1089 | { | |
1090 | #if defined (USE_LUCID) | |
1091 | if (lw_lucid_widget_p (instance->widget)) | |
1092 | xlw_update_one_value (instance, widget, val); | |
1093 | #endif | |
1094 | #if defined (USE_MOTIF) | |
1095 | if (lw_motif_widget_p (instance->widget)) | |
1096 | xm_update_one_value (instance, widget, val); | |
1097 | #endif | |
9331cca8 FP |
1098 | #if defined (USE_XAW) |
1099 | if (lw_xaw_widget_p (instance->widget)) | |
1100 | xaw_update_one_value (instance, widget, val); | |
07bf635f RS |
1101 | #endif |
1102 | return True; | |
1103 | } | |
1104 | else | |
1105 | return False; | |
1106 | } | |
1107 | ||
1108 | Boolean | |
c3174d16 | 1109 | lw_get_some_values (LWLIB_ID id, widget_value *val_out) |
07bf635f RS |
1110 | { |
1111 | widget_info* info = get_widget_info (id, False); | |
1112 | widget_instance* instance; | |
1113 | widget_value* val; | |
1114 | Boolean result = False; | |
1115 | ||
1116 | if (!info) | |
1117 | return False; | |
1118 | ||
1119 | instance = info->instances; | |
1120 | if (!instance) | |
1121 | return False; | |
1122 | ||
1123 | for (val = val_out; val; val = val->next) | |
1124 | if (get_one_value (instance, val)) | |
1125 | result = True; | |
1126 | ||
1127 | return result; | |
1128 | } | |
1129 | ||
1130 | widget_value* | |
c3174d16 | 1131 | lw_get_all_values (LWLIB_ID id) |
07bf635f RS |
1132 | { |
1133 | widget_info* info = get_widget_info (id, False); | |
1134 | widget_value* val = info->val; | |
1135 | if (lw_get_some_values (id, val)) | |
1136 | return val; | |
1137 | else | |
1138 | return NULL; | |
1139 | } | |
1140 | ||
1141 | /* internal function used by the library dependent implementation to get the | |
1142 | widget_value for a given widget in an instance */ | |
1143 | widget_value* | |
c3174d16 | 1144 | lw_get_widget_value_for_widget (widget_instance *instance, Widget w) |
07bf635f RS |
1145 | { |
1146 | char* name = XtName (w); | |
1147 | widget_value* cur; | |
1148 | for (cur = instance->info->val; cur; cur = cur->next) | |
1149 | if (!strcmp (cur->name, name)) | |
1150 | return cur; | |
1151 | return NULL; | |
1152 | } | |
1153 | ||
1154 | \f/* update other instances value when one thing changed */ | |
bd2c5b53 KH |
1155 | |
1156 | /* To forbid recursive calls */ | |
1157 | static Boolean lwlib_updating; | |
1158 | ||
20db1522 JB |
1159 | /* This function can be used as an XtCallback for the widgets that get |
1160 | modified to update other instances of the widgets. Closure should be the | |
1161 | widget_instance. */ | |
07bf635f | 1162 | void |
c825c0b6 J |
1163 | lw_internal_update_other_instances (Widget widget, |
1164 | XtPointer closure, | |
1165 | XtPointer call_data) | |
07bf635f | 1166 | { |
07bf635f RS |
1167 | widget_instance* instance = (widget_instance*)closure; |
1168 | char* name = XtName (widget); | |
1169 | widget_info* info; | |
1170 | widget_instance* cur; | |
1171 | widget_value* val; | |
1172 | ||
bd2c5b53 KH |
1173 | /* Avoid possibly infinite recursion. */ |
1174 | if (lwlib_updating) | |
07bf635f RS |
1175 | return; |
1176 | ||
1177 | /* protect against the widget being destroyed */ | |
1178 | if (XtWidgetBeingDestroyedP (widget)) | |
1179 | return; | |
1180 | ||
1181 | /* Return immediately if there are no other instances */ | |
1182 | info = instance->info; | |
1183 | if (!info->instances->next) | |
1184 | return; | |
1185 | ||
bd2c5b53 | 1186 | lwlib_updating = True; |
07bf635f RS |
1187 | |
1188 | for (val = info->val; val && strcmp (val->name, name); val = val->next); | |
1189 | ||
1190 | if (val && get_one_value (instance, val)) | |
1191 | for (cur = info->instances; cur; cur = cur->next) | |
1192 | if (cur != instance) | |
1193 | set_one_value (cur, val, True); | |
1194 | ||
bd2c5b53 | 1195 | lwlib_updating = False; |
07bf635f RS |
1196 | } |
1197 | ||
1198 | ||
1199 | \f/* get the id */ | |
1200 | ||
1201 | LWLIB_ID | |
c3174d16 | 1202 | lw_get_widget_id (Widget w) |
07bf635f RS |
1203 | { |
1204 | widget_instance* instance = get_widget_instance (w, False); | |
1205 | ||
1206 | return instance ? instance->info->id : 0; | |
1207 | } | |
1208 | ||
1209 | \f/* set the keyboard focus */ | |
1210 | void | |
c3174d16 | 1211 | lw_set_keyboard_focus (Widget parent, Widget w) |
07bf635f RS |
1212 | { |
1213 | #if defined (USE_MOTIF) | |
1214 | xm_set_keyboard_focus (parent, w); | |
1215 | #else | |
1216 | XtSetKeyboardFocus (parent, w); | |
1217 | #endif | |
1218 | } | |
1219 | ||
1220 | \f/* Show busy */ | |
1221 | static void | |
db0e17de | 1222 | show_one_widget_busy (Widget w, Boolean flag) |
07bf635f RS |
1223 | { |
1224 | Pixel foreground = 0; | |
1225 | Pixel background = 1; | |
1226 | Widget widget_to_invert = XtNameToWidget (w, "*sheet"); | |
1227 | if (!widget_to_invert) | |
1228 | widget_to_invert = w; | |
177c0ea7 | 1229 | |
07bf635f RS |
1230 | XtVaGetValues (widget_to_invert, |
1231 | XtNforeground, &foreground, | |
1232 | XtNbackground, &background, | |
8dd095ee | 1233 | NULL); |
07bf635f RS |
1234 | XtVaSetValues (widget_to_invert, |
1235 | XtNforeground, background, | |
1236 | XtNbackground, foreground, | |
8dd095ee | 1237 | NULL); |
07bf635f RS |
1238 | } |
1239 | ||
1240 | void | |
db0e17de | 1241 | lw_show_busy (Widget w, Boolean busy) |
07bf635f RS |
1242 | { |
1243 | widget_instance* instance = get_widget_instance (w, False); | |
1244 | widget_info* info; | |
1245 | widget_instance* next; | |
1246 | ||
1247 | if (instance) | |
1248 | { | |
1249 | info = instance->info; | |
1250 | if (info->busy != busy) | |
1251 | { | |
1252 | for (next = info->instances; next; next = next->next) | |
1253 | if (next->widget) | |
1254 | show_one_widget_busy (next->widget, busy); | |
1255 | info->busy = busy; | |
1256 | } | |
1257 | } | |
1258 | } | |
2af91681 PR |
1259 | |
1260 | /* This hack exists because Lucid/Athena need to execute the strange | |
1261 | function below to support geometry management. */ | |
1262 | void | |
db0e17de | 1263 | lw_refigure_widget (Widget w, Boolean doit) |
2af91681 | 1264 | { |
177c0ea7 | 1265 | #if defined (USE_XAW) |
2af91681 PR |
1266 | XawPanedSetRefigureMode (w, doit); |
1267 | #endif | |
1268 | #if defined (USE_MOTIF) | |
1269 | if (doit) | |
2af91681 | 1270 | XtManageChild (w); |
a61155bc RS |
1271 | else |
1272 | XtUnmanageChild (w); | |
2af91681 PR |
1273 | #endif |
1274 | } | |
1275 | ||
1276 | /* Toolkit independent way of determining if an event window is in the | |
1277 | menubar. */ | |
1278 | Boolean | |
c3174d16 | 1279 | lw_window_is_in_menubar (Window win, Widget menubar_widget) |
2af91681 PR |
1280 | { |
1281 | return menubar_widget | |
1282 | #if defined (USE_LUCID) | |
1283 | && XtWindow (menubar_widget) == win; | |
1284 | #endif | |
1285 | #if defined (USE_MOTIF) | |
c17d59fc RS |
1286 | && ((XtWindow (menubar_widget) == win) |
1287 | || (XtWindowToWidget (XtDisplay (menubar_widget), win) | |
1288 | && (XtParent (XtWindowToWidget (XtDisplay (menubar_widget), win)) | |
1289 | == menubar_widget))); | |
2af91681 PR |
1290 | #endif |
1291 | } | |
1292 | ||
1293 | /* Motif hack to set the main window areas. */ | |
1294 | void | |
c3174d16 | 1295 | lw_set_main_areas (Widget parent, Widget menubar, Widget work_area) |
2af91681 PR |
1296 | { |
1297 | #if defined (USE_MOTIF) | |
6618806e | 1298 | xm_set_main_areas (parent, menubar, work_area); |
2af91681 PR |
1299 | #endif |
1300 | } | |
1301 | ||
1302 | /* Manage resizing for Motif. This disables resizing when the menubar | |
1303 | is about to be modified. */ | |
1304 | void | |
db0e17de | 1305 | lw_allow_resizing (Widget w, Boolean flag) |
2af91681 PR |
1306 | { |
1307 | #if defined (USE_MOTIF) | |
f78c5177 | 1308 | xm_manage_resizing (w, flag); |
2af91681 PR |
1309 | #endif |
1310 | } | |
da88f592 GM |
1311 | |
1312 | ||
1313 | /* Value is non-zero if LABEL is a menu separator. If it is, *TYPE is | |
1314 | set to an appropriate enumerator of type enum menu_separator. | |
1315 | MOTIF_P non-zero means map separator types not supported by Motif | |
1316 | to similar ones that are supported. */ | |
1317 | ||
1318 | int | |
d6dcbe70 | 1319 | lw_separator_p (const char *label, enum menu_separator *type, int motif_p) |
da88f592 | 1320 | { |
0f3360b0 | 1321 | int separator_p = 0; |
da88f592 GM |
1322 | |
1323 | if (strlen (label) >= 3 | |
72af86bd | 1324 | && memcmp (label, "--:", 3) == 0) |
da88f592 GM |
1325 | { |
1326 | static struct separator_table | |
1327 | { | |
a953c1e3 | 1328 | const char *name; |
da88f592 GM |
1329 | enum menu_separator type; |
1330 | } | |
1331 | separator_names[] = | |
1332 | { | |
4a5301d8 PJ |
1333 | {"space", SEPARATOR_NO_LINE}, |
1334 | {"noLine", SEPARATOR_NO_LINE}, | |
1335 | {"singleLine", SEPARATOR_SINGLE_LINE}, | |
1336 | {"doubleLine", SEPARATOR_DOUBLE_LINE}, | |
1337 | {"singleDashedLine", SEPARATOR_SINGLE_DASHED_LINE}, | |
1338 | {"doubleDashedLine", SEPARATOR_DOUBLE_DASHED_LINE}, | |
1339 | {"shadowEtchedIn", SEPARATOR_SHADOW_ETCHED_IN}, | |
1340 | {"shadowEtchedOut", SEPARATOR_SHADOW_ETCHED_OUT}, | |
1341 | {"shadowEtchedInDash", SEPARATOR_SHADOW_ETCHED_IN_DASH}, | |
1342 | {"shadowEtchedOutDash", SEPARATOR_SHADOW_ETCHED_OUT_DASH}, | |
1343 | {"shadowDoubleEtchedIn", SEPARATOR_SHADOW_DOUBLE_ETCHED_IN}, | |
1344 | {"shadowDoubleEtchedOut", SEPARATOR_SHADOW_DOUBLE_ETCHED_OUT}, | |
1345 | {"shadowDoubleEtchedInDash", SEPARATOR_SHADOW_DOUBLE_ETCHED_IN_DASH}, | |
1346 | {"shadowDoubleEtchedOutDash", SEPARATOR_SHADOW_DOUBLE_ETCHED_OUT_DASH}, | |
1347 | {0,0} | |
da88f592 GM |
1348 | }; |
1349 | ||
1350 | int i; | |
1351 | ||
1352 | label += 3; | |
1353 | for (i = 0; separator_names[i].name; ++i) | |
1354 | if (strcmp (label, separator_names[i].name) == 0) | |
1355 | { | |
1356 | separator_p = 1; | |
1357 | *type = separator_names[i].type; | |
1358 | ||
2af98732 GM |
1359 | /* If separator type is not supported under Motif, |
1360 | use a similar one. */ | |
1361 | if (motif_p && *type >= SEPARATOR_SHADOW_DOUBLE_ETCHED_IN) | |
1362 | *type -= 4; | |
1363 | break; | |
1364 | } | |
1365 | } | |
1366 | else if (strlen (label) > 3 | |
72af86bd | 1367 | && memcmp (label, "--", 2) == 0 |
46d74a69 | 1368 | && label[2] != '-') |
2af98732 GM |
1369 | { |
1370 | /* Alternative, more Emacs-style names. */ | |
1371 | static struct separator_table | |
1372 | { | |
a953c1e3 | 1373 | const char *name; |
2af98732 GM |
1374 | enum menu_separator type; |
1375 | } | |
1376 | separator_names[] = | |
1377 | { | |
4a5301d8 PJ |
1378 | {"space", SEPARATOR_NO_LINE}, |
1379 | {"no-line", SEPARATOR_NO_LINE}, | |
1380 | {"single-line", SEPARATOR_SINGLE_LINE}, | |
1381 | {"double-line", SEPARATOR_DOUBLE_LINE}, | |
1382 | {"single-dashed-line", SEPARATOR_SINGLE_DASHED_LINE}, | |
1383 | {"double-dashed-line", SEPARATOR_DOUBLE_DASHED_LINE}, | |
1384 | {"shadow-etched-in", SEPARATOR_SHADOW_ETCHED_IN}, | |
1385 | {"shadow-etched-out", SEPARATOR_SHADOW_ETCHED_OUT}, | |
1386 | {"shadow-etched-in-dash", SEPARATOR_SHADOW_ETCHED_IN_DASH}, | |
1387 | {"shadow-etched-out-dash", SEPARATOR_SHADOW_ETCHED_OUT_DASH}, | |
1388 | {"shadow-double-etched-in", SEPARATOR_SHADOW_DOUBLE_ETCHED_IN}, | |
1389 | {"shadow-double-etched-out", SEPARATOR_SHADOW_DOUBLE_ETCHED_OUT}, | |
1390 | {"shadow-double-etched-in-dash", SEPARATOR_SHADOW_DOUBLE_ETCHED_IN_DASH}, | |
1391 | {"shadow-double-etched-out-dash",SEPARATOR_SHADOW_DOUBLE_ETCHED_OUT_DASH}, | |
1392 | {0,0} | |
2af98732 GM |
1393 | }; |
1394 | ||
1395 | int i; | |
1396 | ||
1397 | label += 2; | |
1398 | for (i = 0; separator_names[i].name; ++i) | |
1399 | if (strcmp (label, separator_names[i].name) == 0) | |
1400 | { | |
1401 | separator_p = 1; | |
1402 | *type = separator_names[i].type; | |
1403 | ||
da88f592 GM |
1404 | /* If separator type is not supported under Motif, |
1405 | use a similar one. */ | |
1406 | if (motif_p && *type >= SEPARATOR_SHADOW_DOUBLE_ETCHED_IN) | |
1407 | *type -= 4; | |
1408 | break; | |
1409 | } | |
1410 | } | |
1411 | else | |
1412 | { | |
1413 | /* Old-style separator, maybe. It's a separator if it contains | |
1414 | only dashes. */ | |
1415 | while (*label == '-') | |
1416 | ++label; | |
1417 | separator_p = *label == 0; | |
1418 | *type = SEPARATOR_SHADOW_ETCHED_IN; | |
1419 | } | |
1420 | ||
1421 | return separator_p; | |
1422 | } |