Commit | Line | Data |
---|---|---|
07bf635f | 1 | /* A general interface to the widgets of different toolkits. |
4424d48a | 2 | Copyright (C) 1992, 1993 Lucid, Inc. |
73b0cd50 | 3 | Copyright (C) 1994-1996, 1999-2011 Free Software Foundation, Inc. |
07bf635f RS |
4 | |
5 | This file is part of the Lucid Widget Library. | |
6 | ||
177c0ea7 | 7 | The Lucid Widget Library is free software; you can redistribute it and/or |
07bf635f | 8 | modify it under the terms of the GNU General Public License as published by |
2aa86c0f | 9 | the Free Software Foundation; either version 2, or (at your option) |
07bf635f RS |
10 | any later version. |
11 | ||
12 | The Lucid Widget Library is distributed in the hope that it will be useful, | |
177c0ea7 | 13 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
07bf635f RS |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
15 | GNU General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
18 | along with GNU Emacs; see the file COPYING. If not, write to | |
364c38d3 LK |
19 | the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
20 | Boston, MA 02110-1301, USA. */ | |
07bf635f | 21 | |
0f0912e6 PE |
22 | #ifdef HAVE_CONFIG_H |
23 | #include <config.h> | |
24 | #endif | |
25 | ||
d7306fe6 | 26 | #include <setjmp.h> |
a3bf8a8c RS |
27 | #include "../src/lisp.h" |
28 | ||
07bf635f | 29 | #include <sys/types.h> |
07bf635f | 30 | #include <stdio.h> |
5f61736f | 31 | #include <ctype.h> |
e7818b5a | 32 | #include "lwlib-int.h" |
07bf635f | 33 | #include "lwlib-utils.h" |
01492d1b | 34 | #include <X11/StringDefs.h> |
07bf635f | 35 | |
07bf635f RS |
36 | #if defined (USE_LUCID) |
37 | #include "lwlib-Xlw.h" | |
38 | #endif | |
39 | #if defined (USE_MOTIF) | |
40 | #include "lwlib-Xm.h" | |
ce5a08a1 FP |
41 | #else /* not USE_MOTIF */ |
42 | #if defined (USE_LUCID) | |
43 | #define USE_XAW | |
44 | #endif /* not USE_MOTIF && USE_LUCID */ | |
07bf635f | 45 | #endif |
9331cca8 | 46 | #if defined (USE_XAW) |
5262c5c7 CY |
47 | #ifdef HAVE_XAW3D |
48 | #include <X11/Xaw3d/Paned.h> | |
49 | #else /* !HAVE_XAW3D */ | |
cec17865 | 50 | #include <X11/Xaw/Paned.h> |
5262c5c7 | 51 | #endif /* HAVE_XAW3D */ |
9331cca8 FP |
52 | #include "lwlib-Xaw.h" |
53 | #endif | |
07bf635f | 54 | |
db0e17de DL |
55 | #if !defined (USE_LUCID) && !defined (USE_MOTIF) |
56 | #error At least one of USE_LUCID or USE_MOTIF must be defined. | |
07bf635f RS |
57 | #endif |
58 | ||
2af91681 PR |
59 | #ifndef max |
60 | #define max(x, y) ((x) > (y) ? (x) : (y)) | |
61 | #endif | |
62 | ||
07bf635f RS |
63 | /* List of all widgets managed by the library. */ |
64 | static widget_info* | |
65 | all_widget_info = NULL; | |
66 | ||
99dcca2f | 67 | #ifdef USE_MOTIF |
a953c1e3 | 68 | const char *lwlib_toolkit_type = "motif"; |
99dcca2f | 69 | #else |
a953c1e3 | 70 | const char *lwlib_toolkit_type = "lucid"; |
99dcca2f | 71 | #endif |
07bf635f | 72 | |
f57e2426 J |
73 | static widget_value *merge_widget_value (widget_value *, |
74 | widget_value *, | |
75 | int, int *); | |
76 | static void instantiate_widget_instance (widget_instance *); | |
d6dcbe70 | 77 | static int my_strcasecmp (const char *, const char *); |
f57e2426 J |
78 | static void safe_free_str (char *); |
79 | static void free_widget_value_tree (widget_value *); | |
80 | static widget_value *copy_widget_value_tree (widget_value *, | |
81 | change_type); | |
a953c1e3 | 82 | static widget_info *allocate_widget_info (const char *, const char *, LWLIB_ID, |
f57e2426 J |
83 | widget_value *, |
84 | lw_callback, lw_callback, | |
85 | lw_callback, lw_callback); | |
86 | static void free_widget_info (widget_info *); | |
87 | static void mark_widget_destroyed (Widget, XtPointer, XtPointer); | |
88 | static widget_instance *allocate_widget_instance (widget_info *, | |
89 | Widget, Boolean); | |
90 | static void free_widget_instance (widget_instance *); | |
91 | static widget_info *get_widget_info (LWLIB_ID, Boolean); | |
92 | static widget_instance *get_widget_instance (Widget, Boolean); | |
93 | static widget_instance *find_instance (LWLIB_ID, Widget, Boolean); | |
d6dcbe70 DN |
94 | static Boolean safe_strcmp (const char *, const char *); |
95 | static Widget name_to_widget (widget_instance *, const char *); | |
f57e2426 J |
96 | static void set_one_value (widget_instance *, widget_value *, Boolean); |
97 | static void update_one_widget_instance (widget_instance *, Boolean); | |
98 | static void update_all_widget_values (widget_info *, Boolean); | |
99 | static void initialize_widget_instance (widget_instance *); | |
d6dcbe70 DN |
100 | static widget_creation_function find_in_table (const char *, const widget_creation_entry *); |
101 | static Boolean dialog_spec_p (const char *); | |
f57e2426 J |
102 | static void destroy_one_instance (widget_instance *); |
103 | static void lw_pop_all_widgets (LWLIB_ID, Boolean); | |
104 | static Boolean get_one_value (widget_instance *, widget_value *); | |
105 | static void show_one_widget_busy (Widget, Boolean); | |
07bf635f | 106 | \f/* utility functions for widget_instance and widget_info */ |
bb2ee72b | 107 | char * |
c3174d16 | 108 | safe_strdup (const char *s) |
07bf635f RS |
109 | { |
110 | char *result; | |
111 | if (! s) return 0; | |
112 | result = (char *) malloc (strlen (s) + 1); | |
113 | if (! result) | |
114 | return 0; | |
115 | strcpy (result, s); | |
116 | return result; | |
117 | } | |
118 | ||
5f61736f RS |
119 | /* Like strcmp but ignore differences in case. */ |
120 | ||
121 | static int | |
d6dcbe70 | 122 | my_strcasecmp (const char *s1, const char *s2) |
5f61736f RS |
123 | { |
124 | while (1) | |
125 | { | |
126 | int c1 = *s1++; | |
127 | int c2 = *s2++; | |
128 | if (isupper (c1)) | |
129 | c1 = tolower (c1); | |
130 | if (isupper (c2)) | |
131 | c2 = tolower (c2); | |
132 | if (c1 != c2) | |
133 | return (c1 > c2 ? 1 : -1); | |
134 | if (c1 == 0) | |
135 | return 0; | |
136 | } | |
137 | } | |
138 | ||
07bf635f | 139 | static void |
c3174d16 | 140 | safe_free_str (char *s) |
07bf635f | 141 | { |
c2cd06e6 | 142 | free (s); |
07bf635f RS |
143 | } |
144 | ||
145 | static widget_value *widget_value_free_list = 0; | |
0b96f00b | 146 | static int malloc_cpt = 0; |
07bf635f RS |
147 | |
148 | widget_value * | |
c3174d16 | 149 | malloc_widget_value (void) |
07bf635f RS |
150 | { |
151 | widget_value *wv; | |
152 | if (widget_value_free_list) | |
153 | { | |
154 | wv = widget_value_free_list; | |
155 | widget_value_free_list = wv->free_list; | |
156 | wv->free_list = 0; | |
157 | } | |
158 | else | |
159 | { | |
160 | wv = (widget_value *) malloc (sizeof (widget_value)); | |
0b96f00b | 161 | malloc_cpt++; |
07bf635f | 162 | } |
72af86bd | 163 | memset ((void*) wv, 0, sizeof (widget_value)); |
07bf635f RS |
164 | return wv; |
165 | } | |
166 | ||
7ef3956a | 167 | /* this is analogous to free(). It frees only what was allocated |
177c0ea7 | 168 | by malloc_widget_value(), and no substructures. |
07bf635f RS |
169 | */ |
170 | void | |
c3174d16 | 171 | free_widget_value (widget_value *wv) |
07bf635f RS |
172 | { |
173 | if (wv->free_list) | |
174 | abort (); | |
0b96f00b | 175 | |
d2a5919f | 176 | if (malloc_cpt > 25) |
0b96f00b FP |
177 | { |
178 | /* When the number of already allocated cells is too big, | |
179 | We free it. */ | |
0b96f00b | 180 | free (wv); |
d2a5919f | 181 | malloc_cpt--; |
0b96f00b FP |
182 | } |
183 | else | |
184 | { | |
185 | wv->free_list = widget_value_free_list; | |
186 | widget_value_free_list = wv; | |
187 | } | |
07bf635f RS |
188 | } |
189 | ||
190 | static void | |
c3174d16 | 191 | free_widget_value_tree (widget_value *wv) |
07bf635f RS |
192 | { |
193 | if (!wv) | |
194 | return; | |
195 | ||
c2cd06e6 JM |
196 | free (wv->name); |
197 | free (wv->value); | |
198 | free (wv->key); | |
07bf635f | 199 | |
a3bf8a8c | 200 | wv->name = wv->value = wv->key = (char *) 0xDEADBEEF; |
07bf635f RS |
201 | |
202 | if (wv->toolkit_data && wv->free_toolkit_data) | |
203 | { | |
53e28d2a | 204 | XtFree (wv->toolkit_data); |
07bf635f RS |
205 | wv->toolkit_data = (void *) 0xDEADBEEF; |
206 | } | |
207 | ||
208 | if (wv->contents && (wv->contents != (widget_value*)1)) | |
209 | { | |
210 | free_widget_value_tree (wv->contents); | |
211 | wv->contents = (widget_value *) 0xDEADBEEF; | |
212 | } | |
213 | if (wv->next) | |
214 | { | |
215 | free_widget_value_tree (wv->next); | |
216 | wv->next = (widget_value *) 0xDEADBEEF; | |
217 | } | |
218 | free_widget_value (wv); | |
219 | } | |
220 | ||
221 | static widget_value * | |
c3174d16 | 222 | copy_widget_value_tree (widget_value *val, change_type change) |
07bf635f RS |
223 | { |
224 | widget_value* copy; | |
177c0ea7 | 225 | |
07bf635f RS |
226 | if (!val) |
227 | return NULL; | |
228 | if (val == (widget_value *) 1) | |
229 | return val; | |
230 | ||
231 | copy = malloc_widget_value (); | |
232 | copy->name = safe_strdup (val->name); | |
233 | copy->value = safe_strdup (val->value); | |
234 | copy->key = safe_strdup (val->key); | |
a3bf8a8c | 235 | copy->help = val->help; |
07bf635f | 236 | copy->enabled = val->enabled; |
da88f592 | 237 | copy->button_type = val->button_type; |
07bf635f RS |
238 | copy->selected = val->selected; |
239 | copy->edited = False; | |
240 | copy->change = change; | |
0c12a958 | 241 | copy->this_one_change = change; |
07bf635f RS |
242 | copy->contents = copy_widget_value_tree (val->contents, change); |
243 | copy->call_data = val->call_data; | |
244 | copy->next = copy_widget_value_tree (val->next, change); | |
245 | copy->toolkit_data = NULL; | |
246 | copy->free_toolkit_data = False; | |
247 | return copy; | |
248 | } | |
249 | ||
250 | static widget_info * | |
a953c1e3 DN |
251 | allocate_widget_info (const char* type, |
252 | const char* name, | |
c825c0b6 J |
253 | LWLIB_ID id, |
254 | widget_value* val, | |
255 | lw_callback pre_activate_cb, | |
256 | lw_callback selection_cb, | |
257 | lw_callback post_activate_cb, | |
258 | lw_callback highlight_cb) | |
07bf635f RS |
259 | { |
260 | widget_info* info = (widget_info*)malloc (sizeof (widget_info)); | |
261 | info->type = safe_strdup (type); | |
262 | info->name = safe_strdup (name); | |
263 | info->id = id; | |
264 | info->val = copy_widget_value_tree (val, STRUCTURAL_CHANGE); | |
265 | info->busy = False; | |
266 | info->pre_activate_cb = pre_activate_cb; | |
267 | info->selection_cb = selection_cb; | |
268 | info->post_activate_cb = post_activate_cb; | |
02512b20 | 269 | info->highlight_cb = highlight_cb; |
07bf635f RS |
270 | info->instances = NULL; |
271 | ||
272 | info->next = all_widget_info; | |
273 | all_widget_info = info; | |
274 | ||
275 | return info; | |
276 | } | |
277 | ||
278 | static void | |
c3174d16 | 279 | free_widget_info (widget_info *info) |
07bf635f RS |
280 | { |
281 | safe_free_str (info->type); | |
282 | safe_free_str (info->name); | |
283 | free_widget_value_tree (info->val); | |
72af86bd | 284 | memset ((void*)info, 0xDEADBEEF, sizeof (widget_info)); |
07bf635f RS |
285 | free (info); |
286 | } | |
287 | ||
288 | static void | |
c3174d16 | 289 | mark_widget_destroyed (Widget widget, XtPointer closure, XtPointer call_data) |
07bf635f RS |
290 | { |
291 | widget_instance* instance = (widget_instance*)closure; | |
292 | ||
293 | /* be very conservative */ | |
294 | if (instance->widget == widget) | |
295 | instance->widget = NULL; | |
296 | } | |
297 | ||
298 | static widget_instance * | |
db0e17de | 299 | allocate_widget_instance (widget_info* info, Widget parent, Boolean pop_up_p) |
07bf635f RS |
300 | { |
301 | widget_instance* instance = | |
302 | (widget_instance*)malloc (sizeof (widget_instance)); | |
72af86bd | 303 | memset (instance, 0, sizeof *instance); |
07bf635f RS |
304 | instance->parent = parent; |
305 | instance->pop_up_p = pop_up_p; | |
306 | instance->info = info; | |
307 | instance->next = info->instances; | |
308 | info->instances = instance; | |
309 | ||
7ef3956a | 310 | instantiate_widget_instance (instance); |
07bf635f RS |
311 | |
312 | XtAddCallback (instance->widget, XtNdestroyCallback, | |
313 | mark_widget_destroyed, (XtPointer)instance); | |
314 | return instance; | |
315 | } | |
316 | ||
317 | static void | |
c3174d16 | 318 | free_widget_instance (widget_instance *instance) |
07bf635f | 319 | { |
72af86bd | 320 | memset ((void*)instance, 0xDEADBEEF, sizeof (widget_instance)); |
07bf635f RS |
321 | free (instance); |
322 | } | |
323 | ||
324 | static widget_info * | |
db0e17de | 325 | get_widget_info (LWLIB_ID id, Boolean remove_p) |
07bf635f RS |
326 | { |
327 | widget_info* info; | |
328 | widget_info* prev; | |
329 | for (prev = NULL, info = all_widget_info; | |
330 | info; | |
331 | prev = info, info = info->next) | |
332 | if (info->id == id) | |
333 | { | |
334 | if (remove_p) | |
335 | { | |
336 | if (prev) | |
337 | prev->next = info->next; | |
338 | else | |
339 | all_widget_info = info->next; | |
340 | } | |
341 | return info; | |
342 | } | |
343 | return NULL; | |
344 | } | |
345 | ||
9331cca8 FP |
346 | /* Internal function used by the library dependent implementation to get the |
347 | widget_value for a given widget in an instance */ | |
348 | widget_info * | |
c3174d16 | 349 | lw_get_widget_info (LWLIB_ID id) |
9331cca8 FP |
350 | { |
351 | return get_widget_info (id, 0); | |
352 | } | |
353 | ||
07bf635f | 354 | static widget_instance * |
db0e17de | 355 | get_widget_instance (Widget widget, Boolean remove_p) |
07bf635f RS |
356 | { |
357 | widget_info* info; | |
358 | widget_instance* instance; | |
359 | widget_instance* prev; | |
360 | for (info = all_widget_info; info; info = info->next) | |
361 | for (prev = NULL, instance = info->instances; | |
362 | instance; | |
363 | prev = instance, instance = instance->next) | |
364 | if (instance->widget == widget) | |
365 | { | |
366 | if (remove_p) | |
367 | { | |
368 | if (prev) | |
369 | prev->next = instance->next; | |
370 | else | |
371 | info->instances = instance->next; | |
372 | } | |
373 | return instance; | |
374 | } | |
375 | return (widget_instance *) 0; | |
376 | } | |
377 | ||
02512b20 GM |
378 | /* Value is a pointer to the widget_instance corresponding to |
379 | WIDGET, or null if WIDGET is not a lwlib widget. */ | |
380 | ||
381 | widget_instance * | |
c3174d16 | 382 | lw_get_widget_instance (Widget widget) |
02512b20 GM |
383 | { |
384 | return get_widget_instance (widget, False); | |
385 | } | |
386 | ||
07bf635f | 387 | static widget_instance* |
db0e17de | 388 | find_instance (LWLIB_ID id, Widget parent, Boolean pop_up_p) |
07bf635f RS |
389 | { |
390 | widget_info* info = get_widget_info (id, False); | |
391 | widget_instance* instance; | |
392 | ||
393 | if (info) | |
394 | for (instance = info->instances; instance; instance = instance->next) | |
395 | if (instance->parent == parent && instance->pop_up_p == pop_up_p) | |
396 | return instance; | |
397 | ||
398 | return NULL; | |
399 | } | |
400 | ||
401 | \f | |
402 | /* utility function for widget_value */ | |
403 | static Boolean | |
d6dcbe70 | 404 | safe_strcmp (const char *s1, const char *s2) |
07bf635f RS |
405 | { |
406 | if (!!s1 ^ !!s2) return True; | |
407 | return (s1 && s2) ? strcmp (s1, s2) : s1 ? False : !!s2; | |
408 | } | |
409 | ||
07bf635f RS |
410 | |
411 | #if 0 | |
412 | # define EXPLAIN(name, oc, nc, desc, a1, a2) \ | |
413 | printf ("Change: \"%s\"\tmax(%s=%d,%s=%d)\t%s %d %d\n", \ | |
414 | name, \ | |
415 | (oc == NO_CHANGE ? "none" : \ | |
416 | (oc == INVISIBLE_CHANGE ? "invisible" : \ | |
417 | (oc == VISIBLE_CHANGE ? "visible" : \ | |
418 | (oc == STRUCTURAL_CHANGE ? "structural" : "???")))), \ | |
419 | oc, \ | |
420 | (nc == NO_CHANGE ? "none" : \ | |
421 | (nc == INVISIBLE_CHANGE ? "invisible" : \ | |
422 | (nc == VISIBLE_CHANGE ? "visible" : \ | |
423 | (nc == STRUCTURAL_CHANGE ? "structural" : "???")))), \ | |
424 | nc, desc, a1, a2) | |
425 | #else | |
426 | # define EXPLAIN(name, oc, nc, desc, a1, a2) | |
427 | #endif | |
428 | ||
429 | ||
430 | static widget_value * | |
c825c0b6 J |
431 | merge_widget_value (widget_value *val1, |
432 | widget_value *val2, | |
433 | int level, | |
434 | int *change_p) | |
07bf635f | 435 | { |
0c12a958 | 436 | change_type change, this_one_change; |
07bf635f RS |
437 | widget_value* merged_next; |
438 | widget_value* merged_contents; | |
439 | ||
440 | if (!val1) | |
441 | { | |
442 | if (val2) | |
a17063b5 GM |
443 | { |
444 | *change_p = 1; | |
445 | return copy_widget_value_tree (val2, STRUCTURAL_CHANGE); | |
446 | } | |
07bf635f RS |
447 | else |
448 | return NULL; | |
449 | } | |
450 | if (!val2) | |
451 | { | |
a17063b5 | 452 | *change_p = 1; |
07bf635f RS |
453 | free_widget_value_tree (val1); |
454 | return NULL; | |
455 | } | |
177c0ea7 | 456 | |
07bf635f RS |
457 | change = NO_CHANGE; |
458 | ||
459 | if (safe_strcmp (val1->name, val2->name)) | |
460 | { | |
461 | EXPLAIN (val1->name, change, STRUCTURAL_CHANGE, "name change", | |
462 | val1->name, val2->name); | |
463 | change = max (change, STRUCTURAL_CHANGE); | |
464 | safe_free_str (val1->name); | |
465 | val1->name = safe_strdup (val2->name); | |
466 | } | |
467 | if (safe_strcmp (val1->value, val2->value)) | |
468 | { | |
469 | EXPLAIN (val1->name, change, VISIBLE_CHANGE, "value change", | |
470 | val1->value, val2->value); | |
471 | change = max (change, VISIBLE_CHANGE); | |
472 | safe_free_str (val1->value); | |
473 | val1->value = safe_strdup (val2->value); | |
474 | } | |
475 | if (safe_strcmp (val1->key, val2->key)) | |
476 | { | |
477 | EXPLAIN (val1->name, change, VISIBLE_CHANGE, "key change", | |
478 | val1->key, val2->key); | |
479 | change = max (change, VISIBLE_CHANGE); | |
480 | safe_free_str (val1->key); | |
481 | val1->key = safe_strdup (val2->key); | |
482 | } | |
a3bf8a8c | 483 | if (! EQ (val1->help, val2->help)) |
02512b20 GM |
484 | { |
485 | EXPLAIN (val1->name, change, VISIBLE_CHANGE, "help change", | |
486 | val1->help, val2->help); | |
487 | change = max (change, VISIBLE_CHANGE); | |
a3bf8a8c | 488 | val1->help = val2->help; |
02512b20 | 489 | } |
07bf635f RS |
490 | if (val1->enabled != val2->enabled) |
491 | { | |
492 | EXPLAIN (val1->name, change, VISIBLE_CHANGE, "enablement change", | |
493 | val1->enabled, val2->enabled); | |
494 | change = max (change, VISIBLE_CHANGE); | |
495 | val1->enabled = val2->enabled; | |
496 | } | |
da88f592 GM |
497 | if (val1->button_type != val2->button_type) |
498 | { | |
499 | EXPLAIN (val1->name, change, VISIBLE_CHANGE, "button type change", | |
500 | val1->button_type, val2->button_type); | |
501 | change = max (change, VISIBLE_CHANGE); | |
502 | val1->button_type = val2->button_type; | |
503 | } | |
07bf635f RS |
504 | if (val1->selected != val2->selected) |
505 | { | |
506 | EXPLAIN (val1->name, change, VISIBLE_CHANGE, "selection change", | |
507 | val1->selected, val2->selected); | |
508 | change = max (change, VISIBLE_CHANGE); | |
509 | val1->selected = val2->selected; | |
510 | } | |
511 | if (val1->call_data != val2->call_data) | |
512 | { | |
513 | EXPLAIN (val1->name, change, INVISIBLE_CHANGE, "call-data change", | |
514 | val1->call_data, val2->call_data); | |
515 | change = max (change, INVISIBLE_CHANGE); | |
516 | val1->call_data = val2->call_data; | |
517 | } | |
518 | ||
519 | if (level > 0) | |
520 | { | |
521 | merged_contents = | |
a17063b5 GM |
522 | merge_widget_value (val1->contents, val2->contents, level - 1, |
523 | change_p); | |
177c0ea7 | 524 | |
07bf635f RS |
525 | if (val1->contents && !merged_contents) |
526 | { | |
7ef3956a RS |
527 | /* This used to say INVISIBLE_CHANGE, |
528 | but it is visible and vitally important when | |
529 | the contents of the menu bar itself are entirely deleted. | |
530 | ||
531 | But maybe it doesn't matter. This fails to fix the bug. */ | |
532 | EXPLAIN (val1->name, change, STRUCTURAL_CHANGE, "(contents gone)", | |
07bf635f | 533 | 0, 0); |
7ef3956a | 534 | change = max (change, STRUCTURAL_CHANGE); |
07bf635f RS |
535 | } |
536 | else if (merged_contents && merged_contents->change != NO_CHANGE) | |
537 | { | |
538 | EXPLAIN (val1->name, change, INVISIBLE_CHANGE, "(contents change)", | |
539 | 0, 0); | |
540 | change = max (change, INVISIBLE_CHANGE); | |
61069f2b | 541 | #if 0 /* This was replaced by the August 9 1996 change in lwlib-Xm.c. */ |
2fe6d204 RS |
542 | #ifdef USE_MOTIF |
543 | change = max (merged_contents->change, change); | |
61069f2b | 544 | #endif |
2fe6d204 | 545 | #endif |
07bf635f | 546 | } |
177c0ea7 | 547 | |
07bf635f RS |
548 | val1->contents = merged_contents; |
549 | } | |
550 | ||
0c12a958 RS |
551 | this_one_change = change; |
552 | ||
a17063b5 | 553 | merged_next = merge_widget_value (val1->next, val2->next, level, change_p); |
07bf635f RS |
554 | |
555 | if (val1->next && !merged_next) | |
556 | { | |
557 | EXPLAIN (val1->name, change, STRUCTURAL_CHANGE, "(following gone)", | |
558 | 0, 0); | |
559 | change = max (change, STRUCTURAL_CHANGE); | |
560 | } | |
561 | else if (merged_next) | |
562 | { | |
563 | if (merged_next->change) | |
564 | EXPLAIN (val1->name, change, merged_next->change, "(following change)", | |
565 | 0, 0); | |
566 | change = max (change, merged_next->change); | |
567 | } | |
568 | ||
569 | val1->next = merged_next; | |
570 | ||
0c12a958 | 571 | val1->this_one_change = this_one_change; |
07bf635f | 572 | val1->change = change; |
177c0ea7 | 573 | |
07bf635f RS |
574 | if (change > NO_CHANGE && val1->toolkit_data) |
575 | { | |
a17063b5 | 576 | *change_p = 1; |
07bf635f | 577 | if (val1->free_toolkit_data) |
53e28d2a | 578 | XtFree (val1->toolkit_data); |
07bf635f RS |
579 | val1->toolkit_data = NULL; |
580 | } | |
581 | ||
582 | return val1; | |
583 | } | |
584 | ||
585 | \f | |
586 | /* modifying the widgets */ | |
587 | static Widget | |
d6dcbe70 | 588 | name_to_widget (widget_instance *instance, const char *name) |
07bf635f RS |
589 | { |
590 | Widget widget = NULL; | |
591 | ||
592 | if (!instance->widget) | |
593 | return NULL; | |
594 | ||
595 | if (!strcmp (XtName (instance->widget), name)) | |
596 | widget = instance->widget; | |
597 | else | |
598 | { | |
599 | int length = strlen (name) + 2; | |
f60044f5 | 600 | char* real_name = (char *) xmalloc (length); |
07bf635f RS |
601 | real_name [0] = '*'; |
602 | strcpy (real_name + 1, name); | |
177c0ea7 | 603 | |
07bf635f | 604 | widget = XtNameToWidget (instance->widget, real_name); |
f60044f5 RS |
605 | |
606 | free (real_name); | |
07bf635f RS |
607 | } |
608 | return widget; | |
609 | } | |
610 | ||
611 | static void | |
db0e17de | 612 | set_one_value (widget_instance* instance, widget_value* val, Boolean deep_p) |
07bf635f RS |
613 | { |
614 | Widget widget = name_to_widget (instance, val->name); | |
177c0ea7 | 615 | |
07bf635f RS |
616 | if (widget) |
617 | { | |
618 | #if defined (USE_LUCID) | |
619 | if (lw_lucid_widget_p (instance->widget)) | |
620 | xlw_update_one_widget (instance, widget, val, deep_p); | |
621 | #endif | |
622 | #if defined (USE_MOTIF) | |
623 | if (lw_motif_widget_p (instance->widget)) | |
624 | xm_update_one_widget (instance, widget, val, deep_p); | |
625 | #endif | |
9331cca8 FP |
626 | #if defined (USE_XAW) |
627 | if (lw_xaw_widget_p (instance->widget)) | |
628 | xaw_update_one_widget (instance, widget, val, deep_p); | |
07bf635f RS |
629 | #endif |
630 | } | |
631 | } | |
632 | ||
633 | static void | |
db0e17de | 634 | update_one_widget_instance (widget_instance* instance, Boolean deep_p) |
07bf635f RS |
635 | { |
636 | widget_value *val; | |
637 | ||
638 | if (!instance->widget) | |
639 | /* the widget was destroyed */ | |
640 | return; | |
641 | ||
642 | for (val = instance->info->val; val; val = val->next) | |
643 | if (val->change != NO_CHANGE) | |
644 | set_one_value (instance, val, deep_p); | |
645 | } | |
646 | ||
647 | static void | |
db0e17de | 648 | update_all_widget_values (widget_info* info, Boolean deep_p) |
07bf635f RS |
649 | { |
650 | widget_instance* instance; | |
651 | widget_value* val; | |
652 | ||
653 | for (instance = info->instances; instance; instance = instance->next) | |
654 | update_one_widget_instance (instance, deep_p); | |
655 | ||
656 | for (val = info->val; val; val = val->next) | |
657 | val->change = NO_CHANGE; | |
658 | } | |
659 | ||
a17063b5 | 660 | int |
db0e17de | 661 | lw_modify_all_widgets (LWLIB_ID id, widget_value* val, Boolean deep_p) |
07bf635f RS |
662 | { |
663 | widget_info* info = get_widget_info (id, False); | |
664 | widget_value* new_val; | |
665 | widget_value* next_new_val; | |
666 | widget_value* cur; | |
667 | widget_value* prev; | |
668 | widget_value* next; | |
669 | int found; | |
a17063b5 | 670 | int change_p = 0; |
07bf635f RS |
671 | |
672 | if (!info) | |
fdc4d3cd | 673 | return 0; |
07bf635f RS |
674 | |
675 | for (new_val = val; new_val; new_val = new_val->next) | |
676 | { | |
677 | next_new_val = new_val->next; | |
678 | new_val->next = NULL; | |
679 | found = False; | |
680 | for (prev = NULL, cur = info->val; cur; prev = cur, cur = cur->next) | |
681 | if (!strcmp (cur->name, new_val->name)) | |
682 | { | |
683 | found = True; | |
684 | next = cur->next; | |
685 | cur->next = NULL; | |
a17063b5 GM |
686 | cur = merge_widget_value (cur, new_val, deep_p ? 1000 : 1, |
687 | &change_p); | |
07bf635f RS |
688 | if (prev) |
689 | prev->next = cur ? cur : next; | |
690 | else | |
691 | info->val = cur ? cur : next; | |
692 | if (cur) | |
693 | cur->next = next; | |
694 | break; | |
695 | } | |
696 | if (!found) | |
697 | { | |
698 | /* Could not find it, add it */ | |
699 | if (prev) | |
700 | prev->next = copy_widget_value_tree (new_val, STRUCTURAL_CHANGE); | |
701 | else | |
702 | info->val = copy_widget_value_tree (new_val, STRUCTURAL_CHANGE); | |
a17063b5 | 703 | change_p = 1; |
07bf635f RS |
704 | } |
705 | new_val->next = next_new_val; | |
706 | } | |
707 | ||
708 | update_all_widget_values (info, deep_p); | |
a17063b5 | 709 | return change_p; |
07bf635f RS |
710 | } |
711 | ||
712 | \f | |
713 | /* creating the widgets */ | |
714 | ||
715 | static void | |
c3174d16 | 716 | initialize_widget_instance (widget_instance *instance) |
07bf635f RS |
717 | { |
718 | widget_value* val; | |
719 | ||
720 | for (val = instance->info->val; val; val = val->next) | |
721 | val->change = STRUCTURAL_CHANGE; | |
722 | ||
723 | update_one_widget_instance (instance, True); | |
724 | ||
725 | for (val = instance->info->val; val; val = val->next) | |
726 | val->change = NO_CHANGE; | |
727 | } | |
728 | ||
729 | ||
730 | static widget_creation_function | |
d6dcbe70 | 731 | find_in_table (const char *type, const widget_creation_entry *table) |
07bf635f | 732 | { |
d6dcbe70 | 733 | const widget_creation_entry* cur; |
07bf635f | 734 | for (cur = table; cur->type; cur++) |
ed9c1473 | 735 | if (!my_strcasecmp (type, cur->type)) |
07bf635f RS |
736 | return cur->function; |
737 | return NULL; | |
738 | } | |
739 | ||
740 | static Boolean | |
d6dcbe70 | 741 | dialog_spec_p (const char *name) |
07bf635f | 742 | { |
177c0ea7 | 743 | /* return True if name matches [EILPQeilpq][1-9][Bb] or |
07bf635f RS |
744 | [EILPQeilpq][1-9][Bb][Rr][1-9] */ |
745 | if (!name) | |
746 | return False; | |
177c0ea7 | 747 | |
07bf635f RS |
748 | switch (name [0]) |
749 | { | |
750 | case 'E': case 'I': case 'L': case 'P': case 'Q': | |
751 | case 'e': case 'i': case 'l': case 'p': case 'q': | |
752 | if (name [1] >= '0' && name [1] <= '9') | |
753 | { | |
754 | if (name [2] != 'B' && name [2] != 'b') | |
755 | return False; | |
756 | if (!name [3]) | |
757 | return True; | |
758 | if ((name [3] == 'T' || name [3] == 't') && !name [4]) | |
759 | return True; | |
760 | if ((name [3] == 'R' || name [3] == 'r') | |
761 | && name [4] >= '0' && name [4] <= '9' && !name [5]) | |
762 | return True; | |
763 | return False; | |
764 | } | |
765 | else | |
766 | return False; | |
177c0ea7 | 767 | |
07bf635f RS |
768 | default: |
769 | return False; | |
770 | } | |
771 | } | |
772 | ||
773 | static void | |
c3174d16 | 774 | instantiate_widget_instance (widget_instance *instance) |
07bf635f RS |
775 | { |
776 | widget_creation_function function = NULL; | |
777 | ||
778 | #if defined (USE_LUCID) | |
779 | if (!function) | |
780 | function = find_in_table (instance->info->type, xlw_creation_table); | |
781 | #endif | |
782 | #if defined(USE_MOTIF) | |
783 | if (!function) | |
784 | function = find_in_table (instance->info->type, xm_creation_table); | |
785 | #endif | |
9331cca8 FP |
786 | #if defined (USE_XAW) |
787 | if (!function) | |
788 | function = find_in_table (instance->info->type, xaw_creation_table); | |
789 | #endif | |
07bf635f RS |
790 | |
791 | if (!function) | |
792 | { | |
793 | if (dialog_spec_p (instance->info->type)) | |
794 | { | |
795 | #if defined (USE_LUCID) | |
796 | /* not yet */ | |
797 | #endif | |
798 | #if defined(USE_MOTIF) | |
799 | if (!function) | |
800 | function = xm_create_dialog; | |
801 | #endif | |
9331cca8 FP |
802 | #if defined (USE_XAW) |
803 | if (!function) | |
804 | function = xaw_create_dialog; | |
07bf635f RS |
805 | #endif |
806 | } | |
807 | } | |
177c0ea7 | 808 | |
07bf635f RS |
809 | if (!function) |
810 | { | |
811 | printf ("No creation function for widget type %s\n", | |
812 | instance->info->type); | |
813 | abort (); | |
814 | } | |
815 | ||
816 | instance->widget = (*function) (instance); | |
817 | ||
818 | if (!instance->widget) | |
819 | abort (); | |
820 | ||
821 | /* XtRealizeWidget (instance->widget);*/ | |
822 | } | |
823 | ||
177c0ea7 | 824 | void |
a953c1e3 DN |
825 | lw_register_widget (const char* type, |
826 | const char* name, | |
c825c0b6 J |
827 | LWLIB_ID id, |
828 | widget_value* val, | |
829 | lw_callback pre_activate_cb, | |
830 | lw_callback selection_cb, | |
831 | lw_callback post_activate_cb, | |
832 | lw_callback highlight_cb) | |
07bf635f RS |
833 | { |
834 | if (!get_widget_info (id, False)) | |
835 | allocate_widget_info (type, name, id, val, pre_activate_cb, selection_cb, | |
02512b20 | 836 | post_activate_cb, highlight_cb); |
07bf635f RS |
837 | } |
838 | ||
839 | Widget | |
db0e17de | 840 | lw_get_widget (LWLIB_ID id, Widget parent, Boolean pop_up_p) |
07bf635f RS |
841 | { |
842 | widget_instance* instance; | |
177c0ea7 | 843 | |
07bf635f RS |
844 | instance = find_instance (id, parent, pop_up_p); |
845 | return instance ? instance->widget : NULL; | |
846 | } | |
847 | ||
848 | Widget | |
db0e17de | 849 | lw_make_widget (LWLIB_ID id, Widget parent, Boolean pop_up_p) |
07bf635f RS |
850 | { |
851 | widget_instance* instance; | |
852 | widget_info* info; | |
177c0ea7 | 853 | |
07bf635f RS |
854 | instance = find_instance (id, parent, pop_up_p); |
855 | if (!instance) | |
856 | { | |
857 | info = get_widget_info (id, False); | |
858 | if (!info) | |
859 | return NULL; | |
860 | instance = allocate_widget_instance (info, parent, pop_up_p); | |
861 | initialize_widget_instance (instance); | |
862 | } | |
863 | if (!instance->widget) | |
864 | abort (); | |
865 | return instance->widget; | |
866 | } | |
867 | ||
868 | Widget | |
a953c1e3 | 869 | lw_create_widget (const char* type, const char* name, LWLIB_ID id, widget_value* val, |
db0e17de DL |
870 | Widget parent, Boolean pop_up_p, |
871 | lw_callback pre_activate_cb, lw_callback selection_cb, | |
872 | lw_callback post_activate_cb, lw_callback highlight_cb) | |
07bf635f RS |
873 | { |
874 | lw_register_widget (type, name, id, val, pre_activate_cb, selection_cb, | |
02512b20 | 875 | post_activate_cb, highlight_cb); |
07bf635f RS |
876 | return lw_make_widget (id, parent, pop_up_p); |
877 | } | |
177c0ea7 | 878 | |
07bf635f RS |
879 | \f |
880 | /* destroying the widgets */ | |
881 | static void | |
c3174d16 | 882 | destroy_one_instance (widget_instance *instance) |
07bf635f RS |
883 | { |
884 | /* Remove the destroy callback on the widget; that callback will try to | |
885 | dereference the instance object (to set its widget slot to 0, since the | |
886 | widget is dead.) Since the instance is now dead, we don't have to worry | |
887 | about the fact that its widget is dead too. | |
888 | ||
889 | This happens in the Phase2Destroy of the widget, so this callback would | |
890 | not have been run until arbitrarily long after the instance was freed. | |
891 | */ | |
892 | if (instance->widget) | |
893 | XtRemoveCallback (instance->widget, XtNdestroyCallback, | |
894 | mark_widget_destroyed, (XtPointer)instance); | |
895 | ||
896 | if (instance->widget) | |
897 | { | |
898 | /* The else are pretty tricky here, including the empty statement | |
899 | at the end because it would be very bad to destroy a widget | |
900 | twice. */ | |
901 | #if defined (USE_LUCID) | |
902 | if (lw_lucid_widget_p (instance->widget)) | |
903 | xlw_destroy_instance (instance); | |
904 | else | |
905 | #endif | |
906 | #if defined (USE_MOTIF) | |
907 | if (lw_motif_widget_p (instance->widget)) | |
908 | xm_destroy_instance (instance); | |
909 | else | |
910 | #endif | |
9331cca8 FP |
911 | #if defined (USE_XAW) |
912 | if (lw_xaw_widget_p (instance->widget)) | |
913 | xaw_destroy_instance (instance); | |
177c0ea7 | 914 | else |
07bf635f RS |
915 | #endif |
916 | /* do not remove the empty statement */ | |
917 | ; | |
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 | |
9e3fe459 | 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 | ||
177c0ea7 | 1159 | /* This function can be used as a an XtCallback for the widgets that get |
07bf635f RS |
1160 | modified to update other instances of the widgets. Closure should be the |
1161 | widget_instance. */ | |
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 | } | |
1423 |