Commit | Line | Data |
---|---|---|
07bf635f | 1 | /* A general interface to the widgets of different toolkits. |
4424d48a GM |
2 | Copyright (C) 1992, 1993 Lucid, Inc. |
3 | Copyright (C) 1994, 1995, 1996, 1999, 2000, 2001, 2002, 2003, 2004, | |
114f9c96 | 4 | 2005, 2006, 2007, 2008, 2009, 2010 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> |
a3bf8a8c RS |
28 | #include "../src/lisp.h" |
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; | |
113 | result = (char *) malloc (strlen (s) + 1); | |
114 | if (! result) | |
115 | return 0; | |
116 | strcpy (result, s); | |
117 | return result; | |
118 | } | |
119 | ||
5f61736f RS |
120 | /* Like strcmp but ignore differences in case. */ |
121 | ||
122 | static int | |
d6dcbe70 | 123 | my_strcasecmp (const char *s1, const char *s2) |
5f61736f RS |
124 | { |
125 | while (1) | |
126 | { | |
127 | int c1 = *s1++; | |
128 | int c2 = *s2++; | |
129 | if (isupper (c1)) | |
130 | c1 = tolower (c1); | |
131 | if (isupper (c2)) | |
132 | c2 = tolower (c2); | |
133 | if (c1 != c2) | |
134 | return (c1 > c2 ? 1 : -1); | |
135 | if (c1 == 0) | |
136 | return 0; | |
137 | } | |
138 | } | |
139 | ||
07bf635f | 140 | static void |
c3174d16 | 141 | safe_free_str (char *s) |
07bf635f | 142 | { |
c2cd06e6 | 143 | free (s); |
07bf635f RS |
144 | } |
145 | ||
146 | static widget_value *widget_value_free_list = 0; | |
0b96f00b | 147 | static int malloc_cpt = 0; |
07bf635f RS |
148 | |
149 | widget_value * | |
c3174d16 | 150 | malloc_widget_value (void) |
07bf635f RS |
151 | { |
152 | widget_value *wv; | |
153 | if (widget_value_free_list) | |
154 | { | |
155 | wv = widget_value_free_list; | |
156 | widget_value_free_list = wv->free_list; | |
157 | wv->free_list = 0; | |
158 | } | |
159 | else | |
160 | { | |
161 | wv = (widget_value *) malloc (sizeof (widget_value)); | |
0b96f00b | 162 | malloc_cpt++; |
07bf635f | 163 | } |
72af86bd | 164 | memset ((void*) wv, 0, sizeof (widget_value)); |
07bf635f RS |
165 | return wv; |
166 | } | |
167 | ||
7ef3956a | 168 | /* this is analogous to free(). It frees only what was allocated |
177c0ea7 | 169 | by malloc_widget_value(), and no substructures. |
07bf635f RS |
170 | */ |
171 | void | |
c3174d16 | 172 | free_widget_value (widget_value *wv) |
07bf635f RS |
173 | { |
174 | if (wv->free_list) | |
175 | abort (); | |
0b96f00b | 176 | |
d2a5919f | 177 | if (malloc_cpt > 25) |
0b96f00b FP |
178 | { |
179 | /* When the number of already allocated cells is too big, | |
180 | We free it. */ | |
0b96f00b | 181 | free (wv); |
d2a5919f | 182 | malloc_cpt--; |
0b96f00b FP |
183 | } |
184 | else | |
185 | { | |
186 | wv->free_list = widget_value_free_list; | |
187 | widget_value_free_list = wv; | |
188 | } | |
07bf635f RS |
189 | } |
190 | ||
191 | static void | |
c3174d16 | 192 | free_widget_value_tree (widget_value *wv) |
07bf635f RS |
193 | { |
194 | if (!wv) | |
195 | return; | |
196 | ||
c2cd06e6 JM |
197 | free (wv->name); |
198 | free (wv->value); | |
199 | free (wv->key); | |
07bf635f | 200 | |
a3bf8a8c | 201 | wv->name = wv->value = wv->key = (char *) 0xDEADBEEF; |
07bf635f RS |
202 | |
203 | if (wv->toolkit_data && wv->free_toolkit_data) | |
204 | { | |
53e28d2a | 205 | XtFree (wv->toolkit_data); |
07bf635f RS |
206 | wv->toolkit_data = (void *) 0xDEADBEEF; |
207 | } | |
208 | ||
209 | if (wv->contents && (wv->contents != (widget_value*)1)) | |
210 | { | |
211 | free_widget_value_tree (wv->contents); | |
212 | wv->contents = (widget_value *) 0xDEADBEEF; | |
213 | } | |
214 | if (wv->next) | |
215 | { | |
216 | free_widget_value_tree (wv->next); | |
217 | wv->next = (widget_value *) 0xDEADBEEF; | |
218 | } | |
219 | free_widget_value (wv); | |
220 | } | |
221 | ||
222 | static widget_value * | |
c3174d16 | 223 | copy_widget_value_tree (widget_value *val, change_type change) |
07bf635f RS |
224 | { |
225 | widget_value* copy; | |
177c0ea7 | 226 | |
07bf635f RS |
227 | if (!val) |
228 | return NULL; | |
229 | if (val == (widget_value *) 1) | |
230 | return val; | |
231 | ||
232 | copy = malloc_widget_value (); | |
233 | copy->name = safe_strdup (val->name); | |
234 | copy->value = safe_strdup (val->value); | |
235 | copy->key = safe_strdup (val->key); | |
a3bf8a8c | 236 | copy->help = val->help; |
07bf635f | 237 | copy->enabled = val->enabled; |
da88f592 | 238 | copy->button_type = val->button_type; |
07bf635f RS |
239 | copy->selected = val->selected; |
240 | copy->edited = False; | |
241 | copy->change = change; | |
0c12a958 | 242 | copy->this_one_change = change; |
07bf635f RS |
243 | copy->contents = copy_widget_value_tree (val->contents, change); |
244 | copy->call_data = val->call_data; | |
245 | copy->next = copy_widget_value_tree (val->next, change); | |
246 | copy->toolkit_data = NULL; | |
247 | copy->free_toolkit_data = False; | |
248 | return copy; | |
249 | } | |
250 | ||
251 | static widget_info * | |
a953c1e3 DN |
252 | allocate_widget_info (const char* type, |
253 | const char* name, | |
c825c0b6 J |
254 | LWLIB_ID id, |
255 | widget_value* val, | |
256 | lw_callback pre_activate_cb, | |
257 | lw_callback selection_cb, | |
258 | lw_callback post_activate_cb, | |
259 | lw_callback highlight_cb) | |
07bf635f RS |
260 | { |
261 | widget_info* info = (widget_info*)malloc (sizeof (widget_info)); | |
262 | info->type = safe_strdup (type); | |
263 | info->name = safe_strdup (name); | |
264 | info->id = id; | |
265 | info->val = copy_widget_value_tree (val, STRUCTURAL_CHANGE); | |
266 | info->busy = False; | |
267 | info->pre_activate_cb = pre_activate_cb; | |
268 | info->selection_cb = selection_cb; | |
269 | info->post_activate_cb = post_activate_cb; | |
02512b20 | 270 | info->highlight_cb = highlight_cb; |
07bf635f RS |
271 | info->instances = NULL; |
272 | ||
273 | info->next = all_widget_info; | |
274 | all_widget_info = info; | |
275 | ||
276 | return info; | |
277 | } | |
278 | ||
279 | static void | |
c3174d16 | 280 | free_widget_info (widget_info *info) |
07bf635f RS |
281 | { |
282 | safe_free_str (info->type); | |
283 | safe_free_str (info->name); | |
284 | free_widget_value_tree (info->val); | |
72af86bd | 285 | memset ((void*)info, 0xDEADBEEF, sizeof (widget_info)); |
07bf635f RS |
286 | free (info); |
287 | } | |
288 | ||
289 | static void | |
c3174d16 | 290 | mark_widget_destroyed (Widget widget, XtPointer closure, XtPointer call_data) |
07bf635f RS |
291 | { |
292 | widget_instance* instance = (widget_instance*)closure; | |
293 | ||
294 | /* be very conservative */ | |
295 | if (instance->widget == widget) | |
296 | instance->widget = NULL; | |
297 | } | |
298 | ||
299 | static widget_instance * | |
db0e17de | 300 | allocate_widget_instance (widget_info* info, Widget parent, Boolean pop_up_p) |
07bf635f RS |
301 | { |
302 | widget_instance* instance = | |
303 | (widget_instance*)malloc (sizeof (widget_instance)); | |
72af86bd | 304 | memset (instance, 0, sizeof *instance); |
07bf635f RS |
305 | instance->parent = parent; |
306 | instance->pop_up_p = pop_up_p; | |
307 | instance->info = info; | |
308 | instance->next = info->instances; | |
309 | info->instances = instance; | |
310 | ||
7ef3956a | 311 | instantiate_widget_instance (instance); |
07bf635f RS |
312 | |
313 | XtAddCallback (instance->widget, XtNdestroyCallback, | |
314 | mark_widget_destroyed, (XtPointer)instance); | |
315 | return instance; | |
316 | } | |
317 | ||
318 | static void | |
c3174d16 | 319 | free_widget_instance (widget_instance *instance) |
07bf635f | 320 | { |
72af86bd | 321 | memset ((void*)instance, 0xDEADBEEF, sizeof (widget_instance)); |
07bf635f RS |
322 | free (instance); |
323 | } | |
324 | ||
325 | static widget_info * | |
db0e17de | 326 | get_widget_info (LWLIB_ID id, Boolean remove_p) |
07bf635f RS |
327 | { |
328 | widget_info* info; | |
329 | widget_info* prev; | |
330 | for (prev = NULL, info = all_widget_info; | |
331 | info; | |
332 | prev = info, info = info->next) | |
333 | if (info->id == id) | |
334 | { | |
335 | if (remove_p) | |
336 | { | |
337 | if (prev) | |
338 | prev->next = info->next; | |
339 | else | |
340 | all_widget_info = info->next; | |
341 | } | |
342 | return info; | |
343 | } | |
344 | return NULL; | |
345 | } | |
346 | ||
9331cca8 FP |
347 | /* Internal function used by the library dependent implementation to get the |
348 | widget_value for a given widget in an instance */ | |
349 | widget_info * | |
c3174d16 | 350 | lw_get_widget_info (LWLIB_ID id) |
9331cca8 FP |
351 | { |
352 | return get_widget_info (id, 0); | |
353 | } | |
354 | ||
07bf635f | 355 | static widget_instance * |
db0e17de | 356 | get_widget_instance (Widget widget, Boolean remove_p) |
07bf635f RS |
357 | { |
358 | widget_info* info; | |
359 | widget_instance* instance; | |
360 | widget_instance* prev; | |
361 | for (info = all_widget_info; info; info = info->next) | |
362 | for (prev = NULL, instance = info->instances; | |
363 | instance; | |
364 | prev = instance, instance = instance->next) | |
365 | if (instance->widget == widget) | |
366 | { | |
367 | if (remove_p) | |
368 | { | |
369 | if (prev) | |
370 | prev->next = instance->next; | |
371 | else | |
372 | info->instances = instance->next; | |
373 | } | |
374 | return instance; | |
375 | } | |
376 | return (widget_instance *) 0; | |
377 | } | |
378 | ||
02512b20 GM |
379 | /* Value is a pointer to the widget_instance corresponding to |
380 | WIDGET, or null if WIDGET is not a lwlib widget. */ | |
381 | ||
382 | widget_instance * | |
c3174d16 | 383 | lw_get_widget_instance (Widget widget) |
02512b20 GM |
384 | { |
385 | return get_widget_instance (widget, False); | |
386 | } | |
387 | ||
07bf635f | 388 | static widget_instance* |
db0e17de | 389 | find_instance (LWLIB_ID id, Widget parent, Boolean pop_up_p) |
07bf635f RS |
390 | { |
391 | widget_info* info = get_widget_info (id, False); | |
392 | widget_instance* instance; | |
393 | ||
394 | if (info) | |
395 | for (instance = info->instances; instance; instance = instance->next) | |
396 | if (instance->parent == parent && instance->pop_up_p == pop_up_p) | |
397 | return instance; | |
398 | ||
399 | return NULL; | |
400 | } | |
401 | ||
402 | \f | |
403 | /* utility function for widget_value */ | |
404 | static Boolean | |
d6dcbe70 | 405 | safe_strcmp (const char *s1, const char *s2) |
07bf635f RS |
406 | { |
407 | if (!!s1 ^ !!s2) return True; | |
408 | return (s1 && s2) ? strcmp (s1, s2) : s1 ? False : !!s2; | |
409 | } | |
410 | ||
07bf635f RS |
411 | |
412 | #if 0 | |
413 | # define EXPLAIN(name, oc, nc, desc, a1, a2) \ | |
414 | printf ("Change: \"%s\"\tmax(%s=%d,%s=%d)\t%s %d %d\n", \ | |
415 | name, \ | |
416 | (oc == NO_CHANGE ? "none" : \ | |
417 | (oc == INVISIBLE_CHANGE ? "invisible" : \ | |
418 | (oc == VISIBLE_CHANGE ? "visible" : \ | |
419 | (oc == STRUCTURAL_CHANGE ? "structural" : "???")))), \ | |
420 | oc, \ | |
421 | (nc == NO_CHANGE ? "none" : \ | |
422 | (nc == INVISIBLE_CHANGE ? "invisible" : \ | |
423 | (nc == VISIBLE_CHANGE ? "visible" : \ | |
424 | (nc == STRUCTURAL_CHANGE ? "structural" : "???")))), \ | |
425 | nc, desc, a1, a2) | |
426 | #else | |
427 | # define EXPLAIN(name, oc, nc, desc, a1, a2) | |
428 | #endif | |
429 | ||
430 | ||
431 | static widget_value * | |
c825c0b6 J |
432 | merge_widget_value (widget_value *val1, |
433 | widget_value *val2, | |
434 | int level, | |
435 | int *change_p) | |
07bf635f | 436 | { |
0c12a958 | 437 | change_type change, this_one_change; |
07bf635f RS |
438 | widget_value* merged_next; |
439 | widget_value* merged_contents; | |
440 | ||
441 | if (!val1) | |
442 | { | |
443 | if (val2) | |
a17063b5 GM |
444 | { |
445 | *change_p = 1; | |
446 | return copy_widget_value_tree (val2, STRUCTURAL_CHANGE); | |
447 | } | |
07bf635f RS |
448 | else |
449 | return NULL; | |
450 | } | |
451 | if (!val2) | |
452 | { | |
a17063b5 | 453 | *change_p = 1; |
07bf635f RS |
454 | free_widget_value_tree (val1); |
455 | return NULL; | |
456 | } | |
177c0ea7 | 457 | |
07bf635f RS |
458 | change = NO_CHANGE; |
459 | ||
460 | if (safe_strcmp (val1->name, val2->name)) | |
461 | { | |
462 | EXPLAIN (val1->name, change, STRUCTURAL_CHANGE, "name change", | |
463 | val1->name, val2->name); | |
464 | change = max (change, STRUCTURAL_CHANGE); | |
465 | safe_free_str (val1->name); | |
466 | val1->name = safe_strdup (val2->name); | |
467 | } | |
468 | if (safe_strcmp (val1->value, val2->value)) | |
469 | { | |
470 | EXPLAIN (val1->name, change, VISIBLE_CHANGE, "value change", | |
471 | val1->value, val2->value); | |
472 | change = max (change, VISIBLE_CHANGE); | |
473 | safe_free_str (val1->value); | |
474 | val1->value = safe_strdup (val2->value); | |
475 | } | |
476 | if (safe_strcmp (val1->key, val2->key)) | |
477 | { | |
478 | EXPLAIN (val1->name, change, VISIBLE_CHANGE, "key change", | |
479 | val1->key, val2->key); | |
480 | change = max (change, VISIBLE_CHANGE); | |
481 | safe_free_str (val1->key); | |
482 | val1->key = safe_strdup (val2->key); | |
483 | } | |
a3bf8a8c | 484 | if (! EQ (val1->help, val2->help)) |
02512b20 GM |
485 | { |
486 | EXPLAIN (val1->name, change, VISIBLE_CHANGE, "help change", | |
487 | val1->help, val2->help); | |
488 | change = max (change, VISIBLE_CHANGE); | |
a3bf8a8c | 489 | val1->help = val2->help; |
02512b20 | 490 | } |
07bf635f RS |
491 | if (val1->enabled != val2->enabled) |
492 | { | |
493 | EXPLAIN (val1->name, change, VISIBLE_CHANGE, "enablement change", | |
494 | val1->enabled, val2->enabled); | |
495 | change = max (change, VISIBLE_CHANGE); | |
496 | val1->enabled = val2->enabled; | |
497 | } | |
da88f592 GM |
498 | if (val1->button_type != val2->button_type) |
499 | { | |
500 | EXPLAIN (val1->name, change, VISIBLE_CHANGE, "button type change", | |
501 | val1->button_type, val2->button_type); | |
502 | change = max (change, VISIBLE_CHANGE); | |
503 | val1->button_type = val2->button_type; | |
504 | } | |
07bf635f RS |
505 | if (val1->selected != val2->selected) |
506 | { | |
507 | EXPLAIN (val1->name, change, VISIBLE_CHANGE, "selection change", | |
508 | val1->selected, val2->selected); | |
509 | change = max (change, VISIBLE_CHANGE); | |
510 | val1->selected = val2->selected; | |
511 | } | |
512 | if (val1->call_data != val2->call_data) | |
513 | { | |
514 | EXPLAIN (val1->name, change, INVISIBLE_CHANGE, "call-data change", | |
515 | val1->call_data, val2->call_data); | |
516 | change = max (change, INVISIBLE_CHANGE); | |
517 | val1->call_data = val2->call_data; | |
518 | } | |
519 | ||
520 | if (level > 0) | |
521 | { | |
522 | merged_contents = | |
a17063b5 GM |
523 | merge_widget_value (val1->contents, val2->contents, level - 1, |
524 | change_p); | |
177c0ea7 | 525 | |
07bf635f RS |
526 | if (val1->contents && !merged_contents) |
527 | { | |
7ef3956a RS |
528 | /* This used to say INVISIBLE_CHANGE, |
529 | but it is visible and vitally important when | |
530 | the contents of the menu bar itself are entirely deleted. | |
531 | ||
532 | But maybe it doesn't matter. This fails to fix the bug. */ | |
533 | EXPLAIN (val1->name, change, STRUCTURAL_CHANGE, "(contents gone)", | |
07bf635f | 534 | 0, 0); |
7ef3956a | 535 | change = max (change, STRUCTURAL_CHANGE); |
07bf635f RS |
536 | } |
537 | else if (merged_contents && merged_contents->change != NO_CHANGE) | |
538 | { | |
539 | EXPLAIN (val1->name, change, INVISIBLE_CHANGE, "(contents change)", | |
540 | 0, 0); | |
541 | change = max (change, INVISIBLE_CHANGE); | |
61069f2b | 542 | #if 0 /* This was replaced by the August 9 1996 change in lwlib-Xm.c. */ |
2fe6d204 RS |
543 | #ifdef USE_MOTIF |
544 | change = max (merged_contents->change, change); | |
61069f2b | 545 | #endif |
2fe6d204 | 546 | #endif |
07bf635f | 547 | } |
177c0ea7 | 548 | |
07bf635f RS |
549 | val1->contents = merged_contents; |
550 | } | |
551 | ||
0c12a958 RS |
552 | this_one_change = change; |
553 | ||
a17063b5 | 554 | merged_next = merge_widget_value (val1->next, val2->next, level, change_p); |
07bf635f RS |
555 | |
556 | if (val1->next && !merged_next) | |
557 | { | |
558 | EXPLAIN (val1->name, change, STRUCTURAL_CHANGE, "(following gone)", | |
559 | 0, 0); | |
560 | change = max (change, STRUCTURAL_CHANGE); | |
561 | } | |
562 | else if (merged_next) | |
563 | { | |
564 | if (merged_next->change) | |
565 | EXPLAIN (val1->name, change, merged_next->change, "(following change)", | |
566 | 0, 0); | |
567 | change = max (change, merged_next->change); | |
568 | } | |
569 | ||
570 | val1->next = merged_next; | |
571 | ||
0c12a958 | 572 | val1->this_one_change = this_one_change; |
07bf635f | 573 | val1->change = change; |
177c0ea7 | 574 | |
07bf635f RS |
575 | if (change > NO_CHANGE && val1->toolkit_data) |
576 | { | |
a17063b5 | 577 | *change_p = 1; |
07bf635f | 578 | if (val1->free_toolkit_data) |
53e28d2a | 579 | XtFree (val1->toolkit_data); |
07bf635f RS |
580 | val1->toolkit_data = NULL; |
581 | } | |
582 | ||
583 | return val1; | |
584 | } | |
585 | ||
586 | \f | |
587 | /* modifying the widgets */ | |
588 | static Widget | |
d6dcbe70 | 589 | name_to_widget (widget_instance *instance, const char *name) |
07bf635f RS |
590 | { |
591 | Widget widget = NULL; | |
592 | ||
593 | if (!instance->widget) | |
594 | return NULL; | |
595 | ||
596 | if (!strcmp (XtName (instance->widget), name)) | |
597 | widget = instance->widget; | |
598 | else | |
599 | { | |
600 | int length = strlen (name) + 2; | |
f60044f5 | 601 | char* real_name = (char *) xmalloc (length); |
07bf635f RS |
602 | real_name [0] = '*'; |
603 | strcpy (real_name + 1, name); | |
177c0ea7 | 604 | |
07bf635f | 605 | widget = XtNameToWidget (instance->widget, real_name); |
f60044f5 RS |
606 | |
607 | free (real_name); | |
07bf635f RS |
608 | } |
609 | return widget; | |
610 | } | |
611 | ||
612 | static void | |
db0e17de | 613 | set_one_value (widget_instance* instance, widget_value* val, Boolean deep_p) |
07bf635f RS |
614 | { |
615 | Widget widget = name_to_widget (instance, val->name); | |
177c0ea7 | 616 | |
07bf635f RS |
617 | if (widget) |
618 | { | |
619 | #if defined (USE_LUCID) | |
620 | if (lw_lucid_widget_p (instance->widget)) | |
621 | xlw_update_one_widget (instance, widget, val, deep_p); | |
622 | #endif | |
623 | #if defined (USE_MOTIF) | |
624 | if (lw_motif_widget_p (instance->widget)) | |
625 | xm_update_one_widget (instance, widget, val, deep_p); | |
626 | #endif | |
9331cca8 FP |
627 | #if defined (USE_XAW) |
628 | if (lw_xaw_widget_p (instance->widget)) | |
629 | xaw_update_one_widget (instance, widget, val, deep_p); | |
07bf635f RS |
630 | #endif |
631 | } | |
632 | } | |
633 | ||
634 | static void | |
db0e17de | 635 | update_one_widget_instance (widget_instance* instance, Boolean deep_p) |
07bf635f RS |
636 | { |
637 | widget_value *val; | |
638 | ||
639 | if (!instance->widget) | |
640 | /* the widget was destroyed */ | |
641 | return; | |
642 | ||
643 | for (val = instance->info->val; val; val = val->next) | |
644 | if (val->change != NO_CHANGE) | |
645 | set_one_value (instance, val, deep_p); | |
646 | } | |
647 | ||
648 | static void | |
db0e17de | 649 | update_all_widget_values (widget_info* info, Boolean deep_p) |
07bf635f RS |
650 | { |
651 | widget_instance* instance; | |
652 | widget_value* val; | |
653 | ||
654 | for (instance = info->instances; instance; instance = instance->next) | |
655 | update_one_widget_instance (instance, deep_p); | |
656 | ||
657 | for (val = info->val; val; val = val->next) | |
658 | val->change = NO_CHANGE; | |
659 | } | |
660 | ||
a17063b5 | 661 | int |
db0e17de | 662 | lw_modify_all_widgets (LWLIB_ID id, widget_value* val, Boolean deep_p) |
07bf635f RS |
663 | { |
664 | widget_info* info = get_widget_info (id, False); | |
665 | widget_value* new_val; | |
666 | widget_value* next_new_val; | |
667 | widget_value* cur; | |
668 | widget_value* prev; | |
669 | widget_value* next; | |
670 | int found; | |
a17063b5 | 671 | int change_p = 0; |
07bf635f RS |
672 | |
673 | if (!info) | |
fdc4d3cd | 674 | return 0; |
07bf635f RS |
675 | |
676 | for (new_val = val; new_val; new_val = new_val->next) | |
677 | { | |
678 | next_new_val = new_val->next; | |
679 | new_val->next = NULL; | |
680 | found = False; | |
681 | for (prev = NULL, cur = info->val; cur; prev = cur, cur = cur->next) | |
682 | if (!strcmp (cur->name, new_val->name)) | |
683 | { | |
684 | found = True; | |
685 | next = cur->next; | |
686 | cur->next = NULL; | |
a17063b5 GM |
687 | cur = merge_widget_value (cur, new_val, deep_p ? 1000 : 1, |
688 | &change_p); | |
07bf635f RS |
689 | if (prev) |
690 | prev->next = cur ? cur : next; | |
691 | else | |
692 | info->val = cur ? cur : next; | |
693 | if (cur) | |
694 | cur->next = next; | |
695 | break; | |
696 | } | |
697 | if (!found) | |
698 | { | |
699 | /* Could not find it, add it */ | |
700 | if (prev) | |
701 | prev->next = copy_widget_value_tree (new_val, STRUCTURAL_CHANGE); | |
702 | else | |
703 | info->val = copy_widget_value_tree (new_val, STRUCTURAL_CHANGE); | |
a17063b5 | 704 | change_p = 1; |
07bf635f RS |
705 | } |
706 | new_val->next = next_new_val; | |
707 | } | |
708 | ||
709 | update_all_widget_values (info, deep_p); | |
a17063b5 | 710 | return change_p; |
07bf635f RS |
711 | } |
712 | ||
713 | \f | |
714 | /* creating the widgets */ | |
715 | ||
716 | static void | |
c3174d16 | 717 | initialize_widget_instance (widget_instance *instance) |
07bf635f RS |
718 | { |
719 | widget_value* val; | |
720 | ||
721 | for (val = instance->info->val; val; val = val->next) | |
722 | val->change = STRUCTURAL_CHANGE; | |
723 | ||
724 | update_one_widget_instance (instance, True); | |
725 | ||
726 | for (val = instance->info->val; val; val = val->next) | |
727 | val->change = NO_CHANGE; | |
728 | } | |
729 | ||
730 | ||
731 | static widget_creation_function | |
d6dcbe70 | 732 | find_in_table (const char *type, const widget_creation_entry *table) |
07bf635f | 733 | { |
d6dcbe70 | 734 | const widget_creation_entry* cur; |
07bf635f | 735 | for (cur = table; cur->type; cur++) |
ed9c1473 | 736 | if (!my_strcasecmp (type, cur->type)) |
07bf635f RS |
737 | return cur->function; |
738 | return NULL; | |
739 | } | |
740 | ||
741 | static Boolean | |
d6dcbe70 | 742 | dialog_spec_p (const char *name) |
07bf635f | 743 | { |
177c0ea7 | 744 | /* return True if name matches [EILPQeilpq][1-9][Bb] or |
07bf635f RS |
745 | [EILPQeilpq][1-9][Bb][Rr][1-9] */ |
746 | if (!name) | |
747 | return False; | |
177c0ea7 | 748 | |
07bf635f RS |
749 | switch (name [0]) |
750 | { | |
751 | case 'E': case 'I': case 'L': case 'P': case 'Q': | |
752 | case 'e': case 'i': case 'l': case 'p': case 'q': | |
753 | if (name [1] >= '0' && name [1] <= '9') | |
754 | { | |
755 | if (name [2] != 'B' && name [2] != 'b') | |
756 | return False; | |
757 | if (!name [3]) | |
758 | return True; | |
759 | if ((name [3] == 'T' || name [3] == 't') && !name [4]) | |
760 | return True; | |
761 | if ((name [3] == 'R' || name [3] == 'r') | |
762 | && name [4] >= '0' && name [4] <= '9' && !name [5]) | |
763 | return True; | |
764 | return False; | |
765 | } | |
766 | else | |
767 | return False; | |
177c0ea7 | 768 | |
07bf635f RS |
769 | default: |
770 | return False; | |
771 | } | |
772 | } | |
773 | ||
774 | static void | |
c3174d16 | 775 | instantiate_widget_instance (widget_instance *instance) |
07bf635f RS |
776 | { |
777 | widget_creation_function function = NULL; | |
778 | ||
779 | #if defined (USE_LUCID) | |
780 | if (!function) | |
781 | function = find_in_table (instance->info->type, xlw_creation_table); | |
782 | #endif | |
783 | #if defined(USE_MOTIF) | |
784 | if (!function) | |
785 | function = find_in_table (instance->info->type, xm_creation_table); | |
786 | #endif | |
9331cca8 FP |
787 | #if defined (USE_XAW) |
788 | if (!function) | |
789 | function = find_in_table (instance->info->type, xaw_creation_table); | |
790 | #endif | |
07bf635f RS |
791 | |
792 | if (!function) | |
793 | { | |
794 | if (dialog_spec_p (instance->info->type)) | |
795 | { | |
796 | #if defined (USE_LUCID) | |
797 | /* not yet */ | |
798 | #endif | |
799 | #if defined(USE_MOTIF) | |
800 | if (!function) | |
801 | function = xm_create_dialog; | |
802 | #endif | |
9331cca8 FP |
803 | #if defined (USE_XAW) |
804 | if (!function) | |
805 | function = xaw_create_dialog; | |
07bf635f RS |
806 | #endif |
807 | } | |
808 | } | |
177c0ea7 | 809 | |
07bf635f RS |
810 | if (!function) |
811 | { | |
812 | printf ("No creation function for widget type %s\n", | |
813 | instance->info->type); | |
814 | abort (); | |
815 | } | |
816 | ||
817 | instance->widget = (*function) (instance); | |
818 | ||
819 | if (!instance->widget) | |
820 | abort (); | |
821 | ||
822 | /* XtRealizeWidget (instance->widget);*/ | |
823 | } | |
824 | ||
177c0ea7 | 825 | void |
a953c1e3 DN |
826 | lw_register_widget (const char* type, |
827 | const char* name, | |
c825c0b6 J |
828 | LWLIB_ID id, |
829 | widget_value* val, | |
830 | lw_callback pre_activate_cb, | |
831 | lw_callback selection_cb, | |
832 | lw_callback post_activate_cb, | |
833 | lw_callback highlight_cb) | |
07bf635f RS |
834 | { |
835 | if (!get_widget_info (id, False)) | |
836 | allocate_widget_info (type, name, id, val, pre_activate_cb, selection_cb, | |
02512b20 | 837 | post_activate_cb, highlight_cb); |
07bf635f RS |
838 | } |
839 | ||
840 | Widget | |
db0e17de | 841 | lw_get_widget (LWLIB_ID id, Widget parent, Boolean pop_up_p) |
07bf635f RS |
842 | { |
843 | widget_instance* instance; | |
177c0ea7 | 844 | |
07bf635f RS |
845 | instance = find_instance (id, parent, pop_up_p); |
846 | return instance ? instance->widget : NULL; | |
847 | } | |
848 | ||
849 | Widget | |
db0e17de | 850 | lw_make_widget (LWLIB_ID id, Widget parent, Boolean pop_up_p) |
07bf635f RS |
851 | { |
852 | widget_instance* instance; | |
853 | widget_info* info; | |
177c0ea7 | 854 | |
07bf635f RS |
855 | instance = find_instance (id, parent, pop_up_p); |
856 | if (!instance) | |
857 | { | |
858 | info = get_widget_info (id, False); | |
859 | if (!info) | |
860 | return NULL; | |
861 | instance = allocate_widget_instance (info, parent, pop_up_p); | |
862 | initialize_widget_instance (instance); | |
863 | } | |
864 | if (!instance->widget) | |
865 | abort (); | |
866 | return instance->widget; | |
867 | } | |
868 | ||
869 | Widget | |
a953c1e3 | 870 | lw_create_widget (const char* type, const char* name, LWLIB_ID id, widget_value* val, |
db0e17de DL |
871 | Widget parent, Boolean pop_up_p, |
872 | lw_callback pre_activate_cb, lw_callback selection_cb, | |
873 | lw_callback post_activate_cb, lw_callback highlight_cb) | |
07bf635f RS |
874 | { |
875 | lw_register_widget (type, name, id, val, pre_activate_cb, selection_cb, | |
02512b20 | 876 | post_activate_cb, highlight_cb); |
07bf635f RS |
877 | return lw_make_widget (id, parent, pop_up_p); |
878 | } | |
177c0ea7 | 879 | |
07bf635f RS |
880 | \f |
881 | /* destroying the widgets */ | |
882 | static void | |
c3174d16 | 883 | destroy_one_instance (widget_instance *instance) |
07bf635f RS |
884 | { |
885 | /* Remove the destroy callback on the widget; that callback will try to | |
886 | dereference the instance object (to set its widget slot to 0, since the | |
887 | widget is dead.) Since the instance is now dead, we don't have to worry | |
888 | about the fact that its widget is dead too. | |
889 | ||
890 | This happens in the Phase2Destroy of the widget, so this callback would | |
891 | not have been run until arbitrarily long after the instance was freed. | |
892 | */ | |
893 | if (instance->widget) | |
894 | XtRemoveCallback (instance->widget, XtNdestroyCallback, | |
895 | mark_widget_destroyed, (XtPointer)instance); | |
896 | ||
897 | if (instance->widget) | |
898 | { | |
899 | /* The else are pretty tricky here, including the empty statement | |
900 | at the end because it would be very bad to destroy a widget | |
901 | twice. */ | |
902 | #if defined (USE_LUCID) | |
903 | if (lw_lucid_widget_p (instance->widget)) | |
904 | xlw_destroy_instance (instance); | |
905 | else | |
906 | #endif | |
907 | #if defined (USE_MOTIF) | |
908 | if (lw_motif_widget_p (instance->widget)) | |
909 | xm_destroy_instance (instance); | |
910 | else | |
911 | #endif | |
9331cca8 FP |
912 | #if defined (USE_XAW) |
913 | if (lw_xaw_widget_p (instance->widget)) | |
914 | xaw_destroy_instance (instance); | |
177c0ea7 | 915 | else |
07bf635f RS |
916 | #endif |
917 | /* do not remove the empty statement */ | |
918 | ; | |
919 | } | |
920 | ||
921 | free_widget_instance (instance); | |
922 | } | |
923 | ||
924 | void | |
c3174d16 | 925 | lw_destroy_widget (Widget w) |
07bf635f RS |
926 | { |
927 | widget_instance* instance = get_widget_instance (w, True); | |
177c0ea7 | 928 | |
07bf635f RS |
929 | if (instance) |
930 | { | |
931 | widget_info *info = instance->info; | |
932 | /* instance has already been removed from the list; free it */ | |
933 | destroy_one_instance (instance); | |
934 | /* if there are no instances left, free the info too */ | |
935 | if (!info->instances) | |
936 | lw_destroy_all_widgets (info->id); | |
937 | } | |
938 | } | |
939 | ||
940 | void | |
c3174d16 | 941 | lw_destroy_all_widgets (LWLIB_ID id) |
07bf635f RS |
942 | { |
943 | widget_info* info = get_widget_info (id, True); | |
944 | widget_instance* instance; | |
945 | widget_instance* next; | |
946 | ||
947 | if (info) | |
948 | { | |
949 | for (instance = info->instances; instance; ) | |
950 | { | |
951 | next = instance->next; | |
952 | destroy_one_instance (instance); | |
953 | instance = next; | |
954 | } | |
955 | free_widget_info (info); | |
956 | } | |
957 | } | |
958 | ||
959 | void | |
c3174d16 | 960 | lw_destroy_everything (void) |
07bf635f RS |
961 | { |
962 | while (all_widget_info) | |
963 | lw_destroy_all_widgets (all_widget_info->id); | |
964 | } | |
965 | ||
966 | void | |
c3174d16 | 967 | lw_destroy_all_pop_ups (void) |
07bf635f RS |
968 | { |
969 | widget_info* info; | |
970 | widget_info* next; | |
971 | widget_instance* instance; | |
972 | ||
973 | for (info = all_widget_info; info; info = next) | |
974 | { | |
975 | next = info->next; | |
976 | instance = info->instances; | |
977 | if (instance && instance->pop_up_p) | |
978 | lw_destroy_all_widgets (info->id); | |
979 | } | |
980 | } | |
981 | ||
982 | #ifdef USE_MOTIF | |
9e3fe459 | 983 | extern Widget first_child (/* Widget */); /* garbage */ |
07bf635f RS |
984 | #endif |
985 | ||
986 | Widget | |
c3174d16 | 987 | lw_raise_all_pop_up_widgets (void) |
07bf635f RS |
988 | { |
989 | widget_info* info; | |
990 | widget_instance* instance; | |
991 | Widget result = NULL; | |
992 | ||
993 | for (info = all_widget_info; info; info = info->next) | |
994 | for (instance = info->instances; instance; instance = instance->next) | |
995 | if (instance->pop_up_p) | |
996 | { | |
997 | Widget widget = instance->widget; | |
998 | if (widget) | |
999 | { | |
1000 | if (XtIsManaged (widget) | |
1001 | #ifdef USE_MOTIF | |
1002 | /* What a complete load of crap!!!! | |
1003 | When a dialogShell is on the screen, it is not managed! | |
1004 | */ | |
1005 | || (lw_motif_widget_p (instance->widget) && | |
1006 | XtIsManaged (first_child (widget))) | |
1007 | #endif | |
1008 | ) | |
1009 | { | |
1010 | if (!result) | |
1011 | result = widget; | |
1012 | XMapRaised (XtDisplay (widget), XtWindow (widget)); | |
1013 | } | |
1014 | } | |
1015 | } | |
1016 | return result; | |
1017 | } | |
1018 | ||
1019 | static void | |
db0e17de | 1020 | lw_pop_all_widgets (LWLIB_ID id, Boolean up) |
07bf635f RS |
1021 | { |
1022 | widget_info* info = get_widget_info (id, False); | |
1023 | widget_instance* instance; | |
1024 | ||
1025 | if (info) | |
1026 | for (instance = info->instances; instance; instance = instance->next) | |
1027 | if (instance->pop_up_p && instance->widget) | |
1028 | { | |
07bf635f RS |
1029 | #if defined (USE_LUCID) |
1030 | if (lw_lucid_widget_p (instance->widget)) | |
9331cca8 FP |
1031 | { |
1032 | XtRealizeWidget (instance->widget); | |
1033 | xlw_pop_instance (instance, up); | |
1034 | } | |
07bf635f RS |
1035 | #endif |
1036 | #if defined (USE_MOTIF) | |
1037 | if (lw_motif_widget_p (instance->widget)) | |
9331cca8 FP |
1038 | { |
1039 | XtRealizeWidget (instance->widget); | |
1040 | xm_pop_instance (instance, up); | |
1041 | } | |
07bf635f | 1042 | #endif |
9331cca8 FP |
1043 | #if defined (USE_XAW) |
1044 | if (lw_xaw_widget_p (instance->widget)) | |
1045 | { | |
1046 | XtRealizeWidget (XtParent (instance->widget)); | |
1047 | XtRealizeWidget (instance->widget); | |
1048 | xaw_pop_instance (instance, up); | |
1049 | } | |
07bf635f RS |
1050 | #endif |
1051 | } | |
1052 | } | |
1053 | ||
1054 | void | |
c3174d16 | 1055 | lw_pop_up_all_widgets (LWLIB_ID id) |
07bf635f RS |
1056 | { |
1057 | lw_pop_all_widgets (id, True); | |
1058 | } | |
1059 | ||
1060 | void | |
c3174d16 | 1061 | lw_pop_down_all_widgets (LWLIB_ID id) |
07bf635f RS |
1062 | { |
1063 | lw_pop_all_widgets (id, False); | |
1064 | } | |
1065 | ||
1066 | void | |
c3174d16 | 1067 | lw_popup_menu (Widget widget, XEvent *event) |
07bf635f RS |
1068 | { |
1069 | #if defined (USE_LUCID) | |
1070 | if (lw_lucid_widget_p (widget)) | |
5b3b31d6 | 1071 | xlw_popup_menu (widget, event); |
07bf635f RS |
1072 | #endif |
1073 | #if defined (USE_MOTIF) | |
1074 | if (lw_motif_widget_p (widget)) | |
5b3b31d6 | 1075 | xm_popup_menu (widget, event); |
07bf635f | 1076 | #endif |
9331cca8 FP |
1077 | #if defined (USE_XAW) |
1078 | if (lw_xaw_widget_p (widget)) | |
5b3b31d6 | 1079 | xaw_popup_menu (widget, event); |
9331cca8 | 1080 | #endif |
07bf635f RS |
1081 | } |
1082 | ||
1083 | \f/* get the values back */ | |
1084 | static Boolean | |
c3174d16 | 1085 | get_one_value (widget_instance *instance, widget_value *val) |
07bf635f RS |
1086 | { |
1087 | Widget widget = name_to_widget (instance, val->name); | |
177c0ea7 | 1088 | |
07bf635f RS |
1089 | if (widget) |
1090 | { | |
1091 | #if defined (USE_LUCID) | |
1092 | if (lw_lucid_widget_p (instance->widget)) | |
1093 | xlw_update_one_value (instance, widget, val); | |
1094 | #endif | |
1095 | #if defined (USE_MOTIF) | |
1096 | if (lw_motif_widget_p (instance->widget)) | |
1097 | xm_update_one_value (instance, widget, val); | |
1098 | #endif | |
9331cca8 FP |
1099 | #if defined (USE_XAW) |
1100 | if (lw_xaw_widget_p (instance->widget)) | |
1101 | xaw_update_one_value (instance, widget, val); | |
07bf635f RS |
1102 | #endif |
1103 | return True; | |
1104 | } | |
1105 | else | |
1106 | return False; | |
1107 | } | |
1108 | ||
1109 | Boolean | |
c3174d16 | 1110 | lw_get_some_values (LWLIB_ID id, widget_value *val_out) |
07bf635f RS |
1111 | { |
1112 | widget_info* info = get_widget_info (id, False); | |
1113 | widget_instance* instance; | |
1114 | widget_value* val; | |
1115 | Boolean result = False; | |
1116 | ||
1117 | if (!info) | |
1118 | return False; | |
1119 | ||
1120 | instance = info->instances; | |
1121 | if (!instance) | |
1122 | return False; | |
1123 | ||
1124 | for (val = val_out; val; val = val->next) | |
1125 | if (get_one_value (instance, val)) | |
1126 | result = True; | |
1127 | ||
1128 | return result; | |
1129 | } | |
1130 | ||
1131 | widget_value* | |
c3174d16 | 1132 | lw_get_all_values (LWLIB_ID id) |
07bf635f RS |
1133 | { |
1134 | widget_info* info = get_widget_info (id, False); | |
1135 | widget_value* val = info->val; | |
1136 | if (lw_get_some_values (id, val)) | |
1137 | return val; | |
1138 | else | |
1139 | return NULL; | |
1140 | } | |
1141 | ||
1142 | /* internal function used by the library dependent implementation to get the | |
1143 | widget_value for a given widget in an instance */ | |
1144 | widget_value* | |
c3174d16 | 1145 | lw_get_widget_value_for_widget (widget_instance *instance, Widget w) |
07bf635f RS |
1146 | { |
1147 | char* name = XtName (w); | |
1148 | widget_value* cur; | |
1149 | for (cur = instance->info->val; cur; cur = cur->next) | |
1150 | if (!strcmp (cur->name, name)) | |
1151 | return cur; | |
1152 | return NULL; | |
1153 | } | |
1154 | ||
1155 | \f/* update other instances value when one thing changed */ | |
bd2c5b53 KH |
1156 | |
1157 | /* To forbid recursive calls */ | |
1158 | static Boolean lwlib_updating; | |
1159 | ||
177c0ea7 | 1160 | /* This function can be used as a an XtCallback for the widgets that get |
07bf635f RS |
1161 | modified to update other instances of the widgets. Closure should be the |
1162 | widget_instance. */ | |
1163 | void | |
c825c0b6 J |
1164 | lw_internal_update_other_instances (Widget widget, |
1165 | XtPointer closure, | |
1166 | XtPointer call_data) | |
07bf635f | 1167 | { |
07bf635f RS |
1168 | widget_instance* instance = (widget_instance*)closure; |
1169 | char* name = XtName (widget); | |
1170 | widget_info* info; | |
1171 | widget_instance* cur; | |
1172 | widget_value* val; | |
1173 | ||
bd2c5b53 KH |
1174 | /* Avoid possibly infinite recursion. */ |
1175 | if (lwlib_updating) | |
07bf635f RS |
1176 | return; |
1177 | ||
1178 | /* protect against the widget being destroyed */ | |
1179 | if (XtWidgetBeingDestroyedP (widget)) | |
1180 | return; | |
1181 | ||
1182 | /* Return immediately if there are no other instances */ | |
1183 | info = instance->info; | |
1184 | if (!info->instances->next) | |
1185 | return; | |
1186 | ||
bd2c5b53 | 1187 | lwlib_updating = True; |
07bf635f RS |
1188 | |
1189 | for (val = info->val; val && strcmp (val->name, name); val = val->next); | |
1190 | ||
1191 | if (val && get_one_value (instance, val)) | |
1192 | for (cur = info->instances; cur; cur = cur->next) | |
1193 | if (cur != instance) | |
1194 | set_one_value (cur, val, True); | |
1195 | ||
bd2c5b53 | 1196 | lwlib_updating = False; |
07bf635f RS |
1197 | } |
1198 | ||
1199 | ||
1200 | \f/* get the id */ | |
1201 | ||
1202 | LWLIB_ID | |
c3174d16 | 1203 | lw_get_widget_id (Widget w) |
07bf635f RS |
1204 | { |
1205 | widget_instance* instance = get_widget_instance (w, False); | |
1206 | ||
1207 | return instance ? instance->info->id : 0; | |
1208 | } | |
1209 | ||
1210 | \f/* set the keyboard focus */ | |
1211 | void | |
c3174d16 | 1212 | lw_set_keyboard_focus (Widget parent, Widget w) |
07bf635f RS |
1213 | { |
1214 | #if defined (USE_MOTIF) | |
1215 | xm_set_keyboard_focus (parent, w); | |
1216 | #else | |
1217 | XtSetKeyboardFocus (parent, w); | |
1218 | #endif | |
1219 | } | |
1220 | ||
1221 | \f/* Show busy */ | |
1222 | static void | |
db0e17de | 1223 | show_one_widget_busy (Widget w, Boolean flag) |
07bf635f RS |
1224 | { |
1225 | Pixel foreground = 0; | |
1226 | Pixel background = 1; | |
1227 | Widget widget_to_invert = XtNameToWidget (w, "*sheet"); | |
1228 | if (!widget_to_invert) | |
1229 | widget_to_invert = w; | |
177c0ea7 | 1230 | |
07bf635f RS |
1231 | XtVaGetValues (widget_to_invert, |
1232 | XtNforeground, &foreground, | |
1233 | XtNbackground, &background, | |
8dd095ee | 1234 | NULL); |
07bf635f RS |
1235 | XtVaSetValues (widget_to_invert, |
1236 | XtNforeground, background, | |
1237 | XtNbackground, foreground, | |
8dd095ee | 1238 | NULL); |
07bf635f RS |
1239 | } |
1240 | ||
1241 | void | |
db0e17de | 1242 | lw_show_busy (Widget w, Boolean busy) |
07bf635f RS |
1243 | { |
1244 | widget_instance* instance = get_widget_instance (w, False); | |
1245 | widget_info* info; | |
1246 | widget_instance* next; | |
1247 | ||
1248 | if (instance) | |
1249 | { | |
1250 | info = instance->info; | |
1251 | if (info->busy != busy) | |
1252 | { | |
1253 | for (next = info->instances; next; next = next->next) | |
1254 | if (next->widget) | |
1255 | show_one_widget_busy (next->widget, busy); | |
1256 | info->busy = busy; | |
1257 | } | |
1258 | } | |
1259 | } | |
2af91681 PR |
1260 | |
1261 | /* This hack exists because Lucid/Athena need to execute the strange | |
1262 | function below to support geometry management. */ | |
1263 | void | |
db0e17de | 1264 | lw_refigure_widget (Widget w, Boolean doit) |
2af91681 | 1265 | { |
177c0ea7 | 1266 | #if defined (USE_XAW) |
2af91681 PR |
1267 | XawPanedSetRefigureMode (w, doit); |
1268 | #endif | |
1269 | #if defined (USE_MOTIF) | |
1270 | if (doit) | |
2af91681 | 1271 | XtManageChild (w); |
a61155bc RS |
1272 | else |
1273 | XtUnmanageChild (w); | |
2af91681 PR |
1274 | #endif |
1275 | } | |
1276 | ||
1277 | /* Toolkit independent way of determining if an event window is in the | |
1278 | menubar. */ | |
1279 | Boolean | |
c3174d16 | 1280 | lw_window_is_in_menubar (Window win, Widget menubar_widget) |
2af91681 PR |
1281 | { |
1282 | return menubar_widget | |
1283 | #if defined (USE_LUCID) | |
1284 | && XtWindow (menubar_widget) == win; | |
1285 | #endif | |
1286 | #if defined (USE_MOTIF) | |
c17d59fc RS |
1287 | && ((XtWindow (menubar_widget) == win) |
1288 | || (XtWindowToWidget (XtDisplay (menubar_widget), win) | |
1289 | && (XtParent (XtWindowToWidget (XtDisplay (menubar_widget), win)) | |
1290 | == menubar_widget))); | |
2af91681 PR |
1291 | #endif |
1292 | } | |
1293 | ||
1294 | /* Motif hack to set the main window areas. */ | |
1295 | void | |
c3174d16 | 1296 | lw_set_main_areas (Widget parent, Widget menubar, Widget work_area) |
2af91681 PR |
1297 | { |
1298 | #if defined (USE_MOTIF) | |
6618806e | 1299 | xm_set_main_areas (parent, menubar, work_area); |
2af91681 PR |
1300 | #endif |
1301 | } | |
1302 | ||
1303 | /* Manage resizing for Motif. This disables resizing when the menubar | |
1304 | is about to be modified. */ | |
1305 | void | |
db0e17de | 1306 | lw_allow_resizing (Widget w, Boolean flag) |
2af91681 PR |
1307 | { |
1308 | #if defined (USE_MOTIF) | |
f78c5177 | 1309 | xm_manage_resizing (w, flag); |
2af91681 PR |
1310 | #endif |
1311 | } | |
da88f592 GM |
1312 | |
1313 | ||
1314 | /* Value is non-zero if LABEL is a menu separator. If it is, *TYPE is | |
1315 | set to an appropriate enumerator of type enum menu_separator. | |
1316 | MOTIF_P non-zero means map separator types not supported by Motif | |
1317 | to similar ones that are supported. */ | |
1318 | ||
1319 | int | |
d6dcbe70 | 1320 | lw_separator_p (const char *label, enum menu_separator *type, int motif_p) |
da88f592 | 1321 | { |
0f3360b0 | 1322 | int separator_p = 0; |
da88f592 GM |
1323 | |
1324 | if (strlen (label) >= 3 | |
72af86bd | 1325 | && memcmp (label, "--:", 3) == 0) |
da88f592 GM |
1326 | { |
1327 | static struct separator_table | |
1328 | { | |
a953c1e3 | 1329 | const char *name; |
da88f592 GM |
1330 | enum menu_separator type; |
1331 | } | |
1332 | separator_names[] = | |
1333 | { | |
4a5301d8 PJ |
1334 | {"space", SEPARATOR_NO_LINE}, |
1335 | {"noLine", SEPARATOR_NO_LINE}, | |
1336 | {"singleLine", SEPARATOR_SINGLE_LINE}, | |
1337 | {"doubleLine", SEPARATOR_DOUBLE_LINE}, | |
1338 | {"singleDashedLine", SEPARATOR_SINGLE_DASHED_LINE}, | |
1339 | {"doubleDashedLine", SEPARATOR_DOUBLE_DASHED_LINE}, | |
1340 | {"shadowEtchedIn", SEPARATOR_SHADOW_ETCHED_IN}, | |
1341 | {"shadowEtchedOut", SEPARATOR_SHADOW_ETCHED_OUT}, | |
1342 | {"shadowEtchedInDash", SEPARATOR_SHADOW_ETCHED_IN_DASH}, | |
1343 | {"shadowEtchedOutDash", SEPARATOR_SHADOW_ETCHED_OUT_DASH}, | |
1344 | {"shadowDoubleEtchedIn", SEPARATOR_SHADOW_DOUBLE_ETCHED_IN}, | |
1345 | {"shadowDoubleEtchedOut", SEPARATOR_SHADOW_DOUBLE_ETCHED_OUT}, | |
1346 | {"shadowDoubleEtchedInDash", SEPARATOR_SHADOW_DOUBLE_ETCHED_IN_DASH}, | |
1347 | {"shadowDoubleEtchedOutDash", SEPARATOR_SHADOW_DOUBLE_ETCHED_OUT_DASH}, | |
1348 | {0,0} | |
da88f592 GM |
1349 | }; |
1350 | ||
1351 | int i; | |
1352 | ||
1353 | label += 3; | |
1354 | for (i = 0; separator_names[i].name; ++i) | |
1355 | if (strcmp (label, separator_names[i].name) == 0) | |
1356 | { | |
1357 | separator_p = 1; | |
1358 | *type = separator_names[i].type; | |
1359 | ||
2af98732 GM |
1360 | /* If separator type is not supported under Motif, |
1361 | use a similar one. */ | |
1362 | if (motif_p && *type >= SEPARATOR_SHADOW_DOUBLE_ETCHED_IN) | |
1363 | *type -= 4; | |
1364 | break; | |
1365 | } | |
1366 | } | |
1367 | else if (strlen (label) > 3 | |
72af86bd | 1368 | && memcmp (label, "--", 2) == 0 |
46d74a69 | 1369 | && label[2] != '-') |
2af98732 GM |
1370 | { |
1371 | /* Alternative, more Emacs-style names. */ | |
1372 | static struct separator_table | |
1373 | { | |
a953c1e3 | 1374 | const char *name; |
2af98732 GM |
1375 | enum menu_separator type; |
1376 | } | |
1377 | separator_names[] = | |
1378 | { | |
4a5301d8 PJ |
1379 | {"space", SEPARATOR_NO_LINE}, |
1380 | {"no-line", SEPARATOR_NO_LINE}, | |
1381 | {"single-line", SEPARATOR_SINGLE_LINE}, | |
1382 | {"double-line", SEPARATOR_DOUBLE_LINE}, | |
1383 | {"single-dashed-line", SEPARATOR_SINGLE_DASHED_LINE}, | |
1384 | {"double-dashed-line", SEPARATOR_DOUBLE_DASHED_LINE}, | |
1385 | {"shadow-etched-in", SEPARATOR_SHADOW_ETCHED_IN}, | |
1386 | {"shadow-etched-out", SEPARATOR_SHADOW_ETCHED_OUT}, | |
1387 | {"shadow-etched-in-dash", SEPARATOR_SHADOW_ETCHED_IN_DASH}, | |
1388 | {"shadow-etched-out-dash", SEPARATOR_SHADOW_ETCHED_OUT_DASH}, | |
1389 | {"shadow-double-etched-in", SEPARATOR_SHADOW_DOUBLE_ETCHED_IN}, | |
1390 | {"shadow-double-etched-out", SEPARATOR_SHADOW_DOUBLE_ETCHED_OUT}, | |
1391 | {"shadow-double-etched-in-dash", SEPARATOR_SHADOW_DOUBLE_ETCHED_IN_DASH}, | |
1392 | {"shadow-double-etched-out-dash",SEPARATOR_SHADOW_DOUBLE_ETCHED_OUT_DASH}, | |
1393 | {0,0} | |
2af98732 GM |
1394 | }; |
1395 | ||
1396 | int i; | |
1397 | ||
1398 | label += 2; | |
1399 | for (i = 0; separator_names[i].name; ++i) | |
1400 | if (strcmp (label, separator_names[i].name) == 0) | |
1401 | { | |
1402 | separator_p = 1; | |
1403 | *type = separator_names[i].type; | |
1404 | ||
da88f592 GM |
1405 | /* If separator type is not supported under Motif, |
1406 | use a similar one. */ | |
1407 | if (motif_p && *type >= SEPARATOR_SHADOW_DOUBLE_ETCHED_IN) | |
1408 | *type -= 4; | |
1409 | break; | |
1410 | } | |
1411 | } | |
1412 | else | |
1413 | { | |
1414 | /* Old-style separator, maybe. It's a separator if it contains | |
1415 | only dashes. */ | |
1416 | while (*label == '-') | |
1417 | ++label; | |
1418 | separator_p = *label == 0; | |
1419 | *type = SEPARATOR_SHADOW_ETCHED_IN; | |
1420 | } | |
1421 | ||
1422 | return separator_p; | |
1423 | } | |
1424 | ||
ab5796a9 MB |
1425 | /* arch-tag: 3d730f36-a441-4a71-9971-48ef3b5a4d9f |
1426 | (do not change this comment) */ |