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; | |
3370edca | 112 | result = (char *) xmalloc (strlen (s) + 1); |
07bf635f RS |
113 | strcpy (result, s); |
114 | return result; | |
115 | } | |
116 | ||
5f61736f RS |
117 | /* Like strcmp but ignore differences in case. */ |
118 | ||
119 | static int | |
d6dcbe70 | 120 | my_strcasecmp (const char *s1, const char *s2) |
5f61736f RS |
121 | { |
122 | while (1) | |
123 | { | |
124 | int c1 = *s1++; | |
125 | int c2 = *s2++; | |
126 | if (isupper (c1)) | |
127 | c1 = tolower (c1); | |
128 | if (isupper (c2)) | |
129 | c2 = tolower (c2); | |
130 | if (c1 != c2) | |
131 | return (c1 > c2 ? 1 : -1); | |
132 | if (c1 == 0) | |
133 | return 0; | |
134 | } | |
135 | } | |
136 | ||
07bf635f | 137 | static void |
c3174d16 | 138 | safe_free_str (char *s) |
07bf635f | 139 | { |
c2cd06e6 | 140 | free (s); |
07bf635f RS |
141 | } |
142 | ||
143 | static widget_value *widget_value_free_list = 0; | |
0b96f00b | 144 | static int malloc_cpt = 0; |
07bf635f RS |
145 | |
146 | widget_value * | |
c3174d16 | 147 | malloc_widget_value (void) |
07bf635f RS |
148 | { |
149 | widget_value *wv; | |
150 | if (widget_value_free_list) | |
151 | { | |
152 | wv = widget_value_free_list; | |
153 | widget_value_free_list = wv->free_list; | |
154 | wv->free_list = 0; | |
155 | } | |
156 | else | |
157 | { | |
3370edca | 158 | wv = (widget_value *) xmalloc (sizeof (widget_value)); |
0b96f00b | 159 | malloc_cpt++; |
07bf635f | 160 | } |
72af86bd | 161 | memset ((void*) wv, 0, sizeof (widget_value)); |
07bf635f RS |
162 | return wv; |
163 | } | |
164 | ||
7ef3956a | 165 | /* this is analogous to free(). It frees only what was allocated |
177c0ea7 | 166 | by malloc_widget_value(), and no substructures. |
07bf635f RS |
167 | */ |
168 | void | |
c3174d16 | 169 | free_widget_value (widget_value *wv) |
07bf635f RS |
170 | { |
171 | if (wv->free_list) | |
172 | abort (); | |
0b96f00b | 173 | |
d2a5919f | 174 | if (malloc_cpt > 25) |
0b96f00b FP |
175 | { |
176 | /* When the number of already allocated cells is too big, | |
177 | We free it. */ | |
0b96f00b | 178 | free (wv); |
d2a5919f | 179 | malloc_cpt--; |
0b96f00b FP |
180 | } |
181 | else | |
182 | { | |
183 | wv->free_list = widget_value_free_list; | |
184 | widget_value_free_list = wv; | |
185 | } | |
07bf635f RS |
186 | } |
187 | ||
188 | static void | |
c3174d16 | 189 | free_widget_value_tree (widget_value *wv) |
07bf635f RS |
190 | { |
191 | if (!wv) | |
192 | return; | |
193 | ||
c2cd06e6 JM |
194 | free (wv->name); |
195 | free (wv->value); | |
196 | free (wv->key); | |
07bf635f | 197 | |
a3bf8a8c | 198 | wv->name = wv->value = wv->key = (char *) 0xDEADBEEF; |
07bf635f RS |
199 | |
200 | if (wv->toolkit_data && wv->free_toolkit_data) | |
201 | { | |
53e28d2a | 202 | XtFree (wv->toolkit_data); |
07bf635f RS |
203 | wv->toolkit_data = (void *) 0xDEADBEEF; |
204 | } | |
205 | ||
206 | if (wv->contents && (wv->contents != (widget_value*)1)) | |
207 | { | |
208 | free_widget_value_tree (wv->contents); | |
209 | wv->contents = (widget_value *) 0xDEADBEEF; | |
210 | } | |
211 | if (wv->next) | |
212 | { | |
213 | free_widget_value_tree (wv->next); | |
214 | wv->next = (widget_value *) 0xDEADBEEF; | |
215 | } | |
216 | free_widget_value (wv); | |
217 | } | |
218 | ||
219 | static widget_value * | |
c3174d16 | 220 | copy_widget_value_tree (widget_value *val, change_type change) |
07bf635f RS |
221 | { |
222 | widget_value* copy; | |
177c0ea7 | 223 | |
07bf635f RS |
224 | if (!val) |
225 | return NULL; | |
226 | if (val == (widget_value *) 1) | |
227 | return val; | |
228 | ||
229 | copy = malloc_widget_value (); | |
230 | copy->name = safe_strdup (val->name); | |
231 | copy->value = safe_strdup (val->value); | |
232 | copy->key = safe_strdup (val->key); | |
a3bf8a8c | 233 | copy->help = val->help; |
07bf635f | 234 | copy->enabled = val->enabled; |
da88f592 | 235 | copy->button_type = val->button_type; |
07bf635f RS |
236 | copy->selected = val->selected; |
237 | copy->edited = False; | |
238 | copy->change = change; | |
0c12a958 | 239 | copy->this_one_change = change; |
07bf635f RS |
240 | copy->contents = copy_widget_value_tree (val->contents, change); |
241 | copy->call_data = val->call_data; | |
242 | copy->next = copy_widget_value_tree (val->next, change); | |
243 | copy->toolkit_data = NULL; | |
244 | copy->free_toolkit_data = False; | |
245 | return copy; | |
246 | } | |
247 | ||
248 | static widget_info * | |
a953c1e3 DN |
249 | allocate_widget_info (const char* type, |
250 | const char* name, | |
c825c0b6 J |
251 | LWLIB_ID id, |
252 | widget_value* val, | |
253 | lw_callback pre_activate_cb, | |
254 | lw_callback selection_cb, | |
255 | lw_callback post_activate_cb, | |
256 | lw_callback highlight_cb) | |
07bf635f | 257 | { |
3370edca | 258 | widget_info* info = (widget_info*) xmalloc (sizeof (widget_info)); |
07bf635f RS |
259 | info->type = safe_strdup (type); |
260 | info->name = safe_strdup (name); | |
261 | info->id = id; | |
262 | info->val = copy_widget_value_tree (val, STRUCTURAL_CHANGE); | |
263 | info->busy = False; | |
264 | info->pre_activate_cb = pre_activate_cb; | |
265 | info->selection_cb = selection_cb; | |
266 | info->post_activate_cb = post_activate_cb; | |
02512b20 | 267 | info->highlight_cb = highlight_cb; |
07bf635f RS |
268 | info->instances = NULL; |
269 | ||
270 | info->next = all_widget_info; | |
271 | all_widget_info = info; | |
272 | ||
273 | return info; | |
274 | } | |
275 | ||
276 | static void | |
c3174d16 | 277 | free_widget_info (widget_info *info) |
07bf635f RS |
278 | { |
279 | safe_free_str (info->type); | |
280 | safe_free_str (info->name); | |
281 | free_widget_value_tree (info->val); | |
72af86bd | 282 | memset ((void*)info, 0xDEADBEEF, sizeof (widget_info)); |
07bf635f RS |
283 | free (info); |
284 | } | |
285 | ||
286 | static void | |
c3174d16 | 287 | mark_widget_destroyed (Widget widget, XtPointer closure, XtPointer call_data) |
07bf635f RS |
288 | { |
289 | widget_instance* instance = (widget_instance*)closure; | |
290 | ||
291 | /* be very conservative */ | |
292 | if (instance->widget == widget) | |
293 | instance->widget = NULL; | |
294 | } | |
295 | ||
296 | static widget_instance * | |
db0e17de | 297 | allocate_widget_instance (widget_info* info, Widget parent, Boolean pop_up_p) |
07bf635f RS |
298 | { |
299 | widget_instance* instance = | |
3370edca | 300 | (widget_instance*) xmalloc (sizeof (widget_instance)); |
72af86bd | 301 | memset (instance, 0, sizeof *instance); |
07bf635f RS |
302 | instance->parent = parent; |
303 | instance->pop_up_p = pop_up_p; | |
304 | instance->info = info; | |
305 | instance->next = info->instances; | |
306 | info->instances = instance; | |
307 | ||
7ef3956a | 308 | instantiate_widget_instance (instance); |
07bf635f RS |
309 | |
310 | XtAddCallback (instance->widget, XtNdestroyCallback, | |
311 | mark_widget_destroyed, (XtPointer)instance); | |
312 | return instance; | |
313 | } | |
314 | ||
315 | static void | |
c3174d16 | 316 | free_widget_instance (widget_instance *instance) |
07bf635f | 317 | { |
72af86bd | 318 | memset ((void*)instance, 0xDEADBEEF, sizeof (widget_instance)); |
07bf635f RS |
319 | free (instance); |
320 | } | |
321 | ||
322 | static widget_info * | |
db0e17de | 323 | get_widget_info (LWLIB_ID id, Boolean remove_p) |
07bf635f RS |
324 | { |
325 | widget_info* info; | |
326 | widget_info* prev; | |
327 | for (prev = NULL, info = all_widget_info; | |
328 | info; | |
329 | prev = info, info = info->next) | |
330 | if (info->id == id) | |
331 | { | |
332 | if (remove_p) | |
333 | { | |
334 | if (prev) | |
335 | prev->next = info->next; | |
336 | else | |
337 | all_widget_info = info->next; | |
338 | } | |
339 | return info; | |
340 | } | |
341 | return NULL; | |
342 | } | |
343 | ||
9331cca8 FP |
344 | /* Internal function used by the library dependent implementation to get the |
345 | widget_value for a given widget in an instance */ | |
346 | widget_info * | |
c3174d16 | 347 | lw_get_widget_info (LWLIB_ID id) |
9331cca8 FP |
348 | { |
349 | return get_widget_info (id, 0); | |
350 | } | |
351 | ||
07bf635f | 352 | static widget_instance * |
db0e17de | 353 | get_widget_instance (Widget widget, Boolean remove_p) |
07bf635f RS |
354 | { |
355 | widget_info* info; | |
356 | widget_instance* instance; | |
357 | widget_instance* prev; | |
358 | for (info = all_widget_info; info; info = info->next) | |
359 | for (prev = NULL, instance = info->instances; | |
360 | instance; | |
361 | prev = instance, instance = instance->next) | |
362 | if (instance->widget == widget) | |
363 | { | |
364 | if (remove_p) | |
365 | { | |
366 | if (prev) | |
367 | prev->next = instance->next; | |
368 | else | |
369 | info->instances = instance->next; | |
370 | } | |
371 | return instance; | |
372 | } | |
373 | return (widget_instance *) 0; | |
374 | } | |
375 | ||
02512b20 GM |
376 | /* Value is a pointer to the widget_instance corresponding to |
377 | WIDGET, or null if WIDGET is not a lwlib widget. */ | |
378 | ||
379 | widget_instance * | |
c3174d16 | 380 | lw_get_widget_instance (Widget widget) |
02512b20 GM |
381 | { |
382 | return get_widget_instance (widget, False); | |
383 | } | |
384 | ||
07bf635f | 385 | static widget_instance* |
db0e17de | 386 | find_instance (LWLIB_ID id, Widget parent, Boolean pop_up_p) |
07bf635f RS |
387 | { |
388 | widget_info* info = get_widget_info (id, False); | |
389 | widget_instance* instance; | |
390 | ||
391 | if (info) | |
392 | for (instance = info->instances; instance; instance = instance->next) | |
393 | if (instance->parent == parent && instance->pop_up_p == pop_up_p) | |
394 | return instance; | |
395 | ||
396 | return NULL; | |
397 | } | |
398 | ||
399 | \f | |
400 | /* utility function for widget_value */ | |
401 | static Boolean | |
d6dcbe70 | 402 | safe_strcmp (const char *s1, const char *s2) |
07bf635f RS |
403 | { |
404 | if (!!s1 ^ !!s2) return True; | |
405 | return (s1 && s2) ? strcmp (s1, s2) : s1 ? False : !!s2; | |
406 | } | |
407 | ||
07bf635f RS |
408 | |
409 | #if 0 | |
410 | # define EXPLAIN(name, oc, nc, desc, a1, a2) \ | |
411 | printf ("Change: \"%s\"\tmax(%s=%d,%s=%d)\t%s %d %d\n", \ | |
412 | name, \ | |
413 | (oc == NO_CHANGE ? "none" : \ | |
414 | (oc == INVISIBLE_CHANGE ? "invisible" : \ | |
415 | (oc == VISIBLE_CHANGE ? "visible" : \ | |
416 | (oc == STRUCTURAL_CHANGE ? "structural" : "???")))), \ | |
417 | oc, \ | |
418 | (nc == NO_CHANGE ? "none" : \ | |
419 | (nc == INVISIBLE_CHANGE ? "invisible" : \ | |
420 | (nc == VISIBLE_CHANGE ? "visible" : \ | |
421 | (nc == STRUCTURAL_CHANGE ? "structural" : "???")))), \ | |
422 | nc, desc, a1, a2) | |
423 | #else | |
424 | # define EXPLAIN(name, oc, nc, desc, a1, a2) | |
425 | #endif | |
426 | ||
427 | ||
428 | static widget_value * | |
c825c0b6 J |
429 | merge_widget_value (widget_value *val1, |
430 | widget_value *val2, | |
431 | int level, | |
432 | int *change_p) | |
07bf635f | 433 | { |
0c12a958 | 434 | change_type change, this_one_change; |
07bf635f RS |
435 | widget_value* merged_next; |
436 | widget_value* merged_contents; | |
437 | ||
438 | if (!val1) | |
439 | { | |
440 | if (val2) | |
a17063b5 GM |
441 | { |
442 | *change_p = 1; | |
443 | return copy_widget_value_tree (val2, STRUCTURAL_CHANGE); | |
444 | } | |
07bf635f RS |
445 | else |
446 | return NULL; | |
447 | } | |
448 | if (!val2) | |
449 | { | |
a17063b5 | 450 | *change_p = 1; |
07bf635f RS |
451 | free_widget_value_tree (val1); |
452 | return NULL; | |
453 | } | |
177c0ea7 | 454 | |
07bf635f RS |
455 | change = NO_CHANGE; |
456 | ||
457 | if (safe_strcmp (val1->name, val2->name)) | |
458 | { | |
459 | EXPLAIN (val1->name, change, STRUCTURAL_CHANGE, "name change", | |
460 | val1->name, val2->name); | |
461 | change = max (change, STRUCTURAL_CHANGE); | |
462 | safe_free_str (val1->name); | |
463 | val1->name = safe_strdup (val2->name); | |
464 | } | |
465 | if (safe_strcmp (val1->value, val2->value)) | |
466 | { | |
467 | EXPLAIN (val1->name, change, VISIBLE_CHANGE, "value change", | |
468 | val1->value, val2->value); | |
469 | change = max (change, VISIBLE_CHANGE); | |
470 | safe_free_str (val1->value); | |
471 | val1->value = safe_strdup (val2->value); | |
472 | } | |
473 | if (safe_strcmp (val1->key, val2->key)) | |
474 | { | |
475 | EXPLAIN (val1->name, change, VISIBLE_CHANGE, "key change", | |
476 | val1->key, val2->key); | |
477 | change = max (change, VISIBLE_CHANGE); | |
478 | safe_free_str (val1->key); | |
479 | val1->key = safe_strdup (val2->key); | |
480 | } | |
a3bf8a8c | 481 | if (! EQ (val1->help, val2->help)) |
02512b20 GM |
482 | { |
483 | EXPLAIN (val1->name, change, VISIBLE_CHANGE, "help change", | |
484 | val1->help, val2->help); | |
485 | change = max (change, VISIBLE_CHANGE); | |
a3bf8a8c | 486 | val1->help = val2->help; |
02512b20 | 487 | } |
07bf635f RS |
488 | if (val1->enabled != val2->enabled) |
489 | { | |
490 | EXPLAIN (val1->name, change, VISIBLE_CHANGE, "enablement change", | |
491 | val1->enabled, val2->enabled); | |
492 | change = max (change, VISIBLE_CHANGE); | |
493 | val1->enabled = val2->enabled; | |
494 | } | |
da88f592 GM |
495 | if (val1->button_type != val2->button_type) |
496 | { | |
497 | EXPLAIN (val1->name, change, VISIBLE_CHANGE, "button type change", | |
498 | val1->button_type, val2->button_type); | |
499 | change = max (change, VISIBLE_CHANGE); | |
500 | val1->button_type = val2->button_type; | |
501 | } | |
07bf635f RS |
502 | if (val1->selected != val2->selected) |
503 | { | |
504 | EXPLAIN (val1->name, change, VISIBLE_CHANGE, "selection change", | |
505 | val1->selected, val2->selected); | |
506 | change = max (change, VISIBLE_CHANGE); | |
507 | val1->selected = val2->selected; | |
508 | } | |
509 | if (val1->call_data != val2->call_data) | |
510 | { | |
511 | EXPLAIN (val1->name, change, INVISIBLE_CHANGE, "call-data change", | |
512 | val1->call_data, val2->call_data); | |
513 | change = max (change, INVISIBLE_CHANGE); | |
514 | val1->call_data = val2->call_data; | |
515 | } | |
516 | ||
517 | if (level > 0) | |
518 | { | |
519 | merged_contents = | |
a17063b5 GM |
520 | merge_widget_value (val1->contents, val2->contents, level - 1, |
521 | change_p); | |
177c0ea7 | 522 | |
07bf635f RS |
523 | if (val1->contents && !merged_contents) |
524 | { | |
7ef3956a RS |
525 | /* This used to say INVISIBLE_CHANGE, |
526 | but it is visible and vitally important when | |
527 | the contents of the menu bar itself are entirely deleted. | |
528 | ||
529 | But maybe it doesn't matter. This fails to fix the bug. */ | |
530 | EXPLAIN (val1->name, change, STRUCTURAL_CHANGE, "(contents gone)", | |
07bf635f | 531 | 0, 0); |
7ef3956a | 532 | change = max (change, STRUCTURAL_CHANGE); |
07bf635f RS |
533 | } |
534 | else if (merged_contents && merged_contents->change != NO_CHANGE) | |
535 | { | |
536 | EXPLAIN (val1->name, change, INVISIBLE_CHANGE, "(contents change)", | |
537 | 0, 0); | |
538 | change = max (change, INVISIBLE_CHANGE); | |
61069f2b | 539 | #if 0 /* This was replaced by the August 9 1996 change in lwlib-Xm.c. */ |
2fe6d204 RS |
540 | #ifdef USE_MOTIF |
541 | change = max (merged_contents->change, change); | |
61069f2b | 542 | #endif |
2fe6d204 | 543 | #endif |
07bf635f | 544 | } |
177c0ea7 | 545 | |
07bf635f RS |
546 | val1->contents = merged_contents; |
547 | } | |
548 | ||
0c12a958 RS |
549 | this_one_change = change; |
550 | ||
a17063b5 | 551 | merged_next = merge_widget_value (val1->next, val2->next, level, change_p); |
07bf635f RS |
552 | |
553 | if (val1->next && !merged_next) | |
554 | { | |
555 | EXPLAIN (val1->name, change, STRUCTURAL_CHANGE, "(following gone)", | |
556 | 0, 0); | |
557 | change = max (change, STRUCTURAL_CHANGE); | |
558 | } | |
559 | else if (merged_next) | |
560 | { | |
561 | if (merged_next->change) | |
562 | EXPLAIN (val1->name, change, merged_next->change, "(following change)", | |
563 | 0, 0); | |
564 | change = max (change, merged_next->change); | |
565 | } | |
566 | ||
567 | val1->next = merged_next; | |
568 | ||
0c12a958 | 569 | val1->this_one_change = this_one_change; |
07bf635f | 570 | val1->change = change; |
177c0ea7 | 571 | |
07bf635f RS |
572 | if (change > NO_CHANGE && val1->toolkit_data) |
573 | { | |
a17063b5 | 574 | *change_p = 1; |
07bf635f | 575 | if (val1->free_toolkit_data) |
53e28d2a | 576 | XtFree (val1->toolkit_data); |
07bf635f RS |
577 | val1->toolkit_data = NULL; |
578 | } | |
579 | ||
580 | return val1; | |
581 | } | |
582 | ||
583 | \f | |
584 | /* modifying the widgets */ | |
585 | static Widget | |
d6dcbe70 | 586 | name_to_widget (widget_instance *instance, const char *name) |
07bf635f RS |
587 | { |
588 | Widget widget = NULL; | |
589 | ||
590 | if (!instance->widget) | |
591 | return NULL; | |
592 | ||
593 | if (!strcmp (XtName (instance->widget), name)) | |
594 | widget = instance->widget; | |
595 | else | |
596 | { | |
597 | int length = strlen (name) + 2; | |
f60044f5 | 598 | char* real_name = (char *) xmalloc (length); |
07bf635f RS |
599 | real_name [0] = '*'; |
600 | strcpy (real_name + 1, name); | |
177c0ea7 | 601 | |
07bf635f | 602 | widget = XtNameToWidget (instance->widget, real_name); |
f60044f5 RS |
603 | |
604 | free (real_name); | |
07bf635f RS |
605 | } |
606 | return widget; | |
607 | } | |
608 | ||
609 | static void | |
db0e17de | 610 | set_one_value (widget_instance* instance, widget_value* val, Boolean deep_p) |
07bf635f RS |
611 | { |
612 | Widget widget = name_to_widget (instance, val->name); | |
177c0ea7 | 613 | |
07bf635f RS |
614 | if (widget) |
615 | { | |
616 | #if defined (USE_LUCID) | |
617 | if (lw_lucid_widget_p (instance->widget)) | |
618 | xlw_update_one_widget (instance, widget, val, deep_p); | |
619 | #endif | |
620 | #if defined (USE_MOTIF) | |
621 | if (lw_motif_widget_p (instance->widget)) | |
622 | xm_update_one_widget (instance, widget, val, deep_p); | |
623 | #endif | |
9331cca8 FP |
624 | #if defined (USE_XAW) |
625 | if (lw_xaw_widget_p (instance->widget)) | |
626 | xaw_update_one_widget (instance, widget, val, deep_p); | |
07bf635f RS |
627 | #endif |
628 | } | |
629 | } | |
630 | ||
631 | static void | |
db0e17de | 632 | update_one_widget_instance (widget_instance* instance, Boolean deep_p) |
07bf635f RS |
633 | { |
634 | widget_value *val; | |
635 | ||
636 | if (!instance->widget) | |
637 | /* the widget was destroyed */ | |
638 | return; | |
639 | ||
640 | for (val = instance->info->val; val; val = val->next) | |
641 | if (val->change != NO_CHANGE) | |
642 | set_one_value (instance, val, deep_p); | |
643 | } | |
644 | ||
645 | static void | |
db0e17de | 646 | update_all_widget_values (widget_info* info, Boolean deep_p) |
07bf635f RS |
647 | { |
648 | widget_instance* instance; | |
649 | widget_value* val; | |
650 | ||
651 | for (instance = info->instances; instance; instance = instance->next) | |
652 | update_one_widget_instance (instance, deep_p); | |
653 | ||
654 | for (val = info->val; val; val = val->next) | |
655 | val->change = NO_CHANGE; | |
656 | } | |
657 | ||
a17063b5 | 658 | int |
db0e17de | 659 | lw_modify_all_widgets (LWLIB_ID id, widget_value* val, Boolean deep_p) |
07bf635f RS |
660 | { |
661 | widget_info* info = get_widget_info (id, False); | |
662 | widget_value* new_val; | |
663 | widget_value* next_new_val; | |
664 | widget_value* cur; | |
665 | widget_value* prev; | |
666 | widget_value* next; | |
667 | int found; | |
a17063b5 | 668 | int change_p = 0; |
07bf635f RS |
669 | |
670 | if (!info) | |
fdc4d3cd | 671 | return 0; |
07bf635f RS |
672 | |
673 | for (new_val = val; new_val; new_val = new_val->next) | |
674 | { | |
675 | next_new_val = new_val->next; | |
676 | new_val->next = NULL; | |
677 | found = False; | |
678 | for (prev = NULL, cur = info->val; cur; prev = cur, cur = cur->next) | |
679 | if (!strcmp (cur->name, new_val->name)) | |
680 | { | |
681 | found = True; | |
682 | next = cur->next; | |
683 | cur->next = NULL; | |
a17063b5 GM |
684 | cur = merge_widget_value (cur, new_val, deep_p ? 1000 : 1, |
685 | &change_p); | |
07bf635f RS |
686 | if (prev) |
687 | prev->next = cur ? cur : next; | |
688 | else | |
689 | info->val = cur ? cur : next; | |
690 | if (cur) | |
691 | cur->next = next; | |
692 | break; | |
693 | } | |
694 | if (!found) | |
695 | { | |
696 | /* Could not find it, add it */ | |
697 | if (prev) | |
698 | prev->next = copy_widget_value_tree (new_val, STRUCTURAL_CHANGE); | |
699 | else | |
700 | info->val = copy_widget_value_tree (new_val, STRUCTURAL_CHANGE); | |
a17063b5 | 701 | change_p = 1; |
07bf635f RS |
702 | } |
703 | new_val->next = next_new_val; | |
704 | } | |
705 | ||
706 | update_all_widget_values (info, deep_p); | |
a17063b5 | 707 | return change_p; |
07bf635f RS |
708 | } |
709 | ||
710 | \f | |
711 | /* creating the widgets */ | |
712 | ||
713 | static void | |
c3174d16 | 714 | initialize_widget_instance (widget_instance *instance) |
07bf635f RS |
715 | { |
716 | widget_value* val; | |
717 | ||
718 | for (val = instance->info->val; val; val = val->next) | |
719 | val->change = STRUCTURAL_CHANGE; | |
720 | ||
721 | update_one_widget_instance (instance, True); | |
722 | ||
723 | for (val = instance->info->val; val; val = val->next) | |
724 | val->change = NO_CHANGE; | |
725 | } | |
726 | ||
727 | ||
728 | static widget_creation_function | |
d6dcbe70 | 729 | find_in_table (const char *type, const widget_creation_entry *table) |
07bf635f | 730 | { |
d6dcbe70 | 731 | const widget_creation_entry* cur; |
07bf635f | 732 | for (cur = table; cur->type; cur++) |
ed9c1473 | 733 | if (!my_strcasecmp (type, cur->type)) |
07bf635f RS |
734 | return cur->function; |
735 | return NULL; | |
736 | } | |
737 | ||
738 | static Boolean | |
d6dcbe70 | 739 | dialog_spec_p (const char *name) |
07bf635f | 740 | { |
177c0ea7 | 741 | /* return True if name matches [EILPQeilpq][1-9][Bb] or |
07bf635f RS |
742 | [EILPQeilpq][1-9][Bb][Rr][1-9] */ |
743 | if (!name) | |
744 | return False; | |
177c0ea7 | 745 | |
07bf635f RS |
746 | switch (name [0]) |
747 | { | |
748 | case 'E': case 'I': case 'L': case 'P': case 'Q': | |
749 | case 'e': case 'i': case 'l': case 'p': case 'q': | |
750 | if (name [1] >= '0' && name [1] <= '9') | |
751 | { | |
752 | if (name [2] != 'B' && name [2] != 'b') | |
753 | return False; | |
754 | if (!name [3]) | |
755 | return True; | |
756 | if ((name [3] == 'T' || name [3] == 't') && !name [4]) | |
757 | return True; | |
758 | if ((name [3] == 'R' || name [3] == 'r') | |
759 | && name [4] >= '0' && name [4] <= '9' && !name [5]) | |
760 | return True; | |
761 | return False; | |
762 | } | |
763 | else | |
764 | return False; | |
177c0ea7 | 765 | |
07bf635f RS |
766 | default: |
767 | return False; | |
768 | } | |
769 | } | |
770 | ||
771 | static void | |
c3174d16 | 772 | instantiate_widget_instance (widget_instance *instance) |
07bf635f RS |
773 | { |
774 | widget_creation_function function = NULL; | |
775 | ||
776 | #if defined (USE_LUCID) | |
777 | if (!function) | |
778 | function = find_in_table (instance->info->type, xlw_creation_table); | |
779 | #endif | |
780 | #if defined(USE_MOTIF) | |
781 | if (!function) | |
782 | function = find_in_table (instance->info->type, xm_creation_table); | |
783 | #endif | |
9331cca8 FP |
784 | #if defined (USE_XAW) |
785 | if (!function) | |
786 | function = find_in_table (instance->info->type, xaw_creation_table); | |
787 | #endif | |
07bf635f RS |
788 | |
789 | if (!function) | |
790 | { | |
791 | if (dialog_spec_p (instance->info->type)) | |
792 | { | |
793 | #if defined (USE_LUCID) | |
794 | /* not yet */ | |
795 | #endif | |
796 | #if defined(USE_MOTIF) | |
797 | if (!function) | |
798 | function = xm_create_dialog; | |
799 | #endif | |
9331cca8 FP |
800 | #if defined (USE_XAW) |
801 | if (!function) | |
802 | function = xaw_create_dialog; | |
07bf635f RS |
803 | #endif |
804 | } | |
805 | } | |
177c0ea7 | 806 | |
07bf635f RS |
807 | if (!function) |
808 | { | |
809 | printf ("No creation function for widget type %s\n", | |
810 | instance->info->type); | |
811 | abort (); | |
812 | } | |
813 | ||
814 | instance->widget = (*function) (instance); | |
815 | ||
816 | if (!instance->widget) | |
817 | abort (); | |
818 | ||
819 | /* XtRealizeWidget (instance->widget);*/ | |
820 | } | |
821 | ||
177c0ea7 | 822 | void |
a953c1e3 DN |
823 | lw_register_widget (const char* type, |
824 | const char* name, | |
c825c0b6 J |
825 | LWLIB_ID id, |
826 | widget_value* val, | |
827 | lw_callback pre_activate_cb, | |
828 | lw_callback selection_cb, | |
829 | lw_callback post_activate_cb, | |
830 | lw_callback highlight_cb) | |
07bf635f RS |
831 | { |
832 | if (!get_widget_info (id, False)) | |
833 | allocate_widget_info (type, name, id, val, pre_activate_cb, selection_cb, | |
02512b20 | 834 | post_activate_cb, highlight_cb); |
07bf635f RS |
835 | } |
836 | ||
837 | Widget | |
db0e17de | 838 | lw_get_widget (LWLIB_ID id, Widget parent, Boolean pop_up_p) |
07bf635f RS |
839 | { |
840 | widget_instance* instance; | |
177c0ea7 | 841 | |
07bf635f RS |
842 | instance = find_instance (id, parent, pop_up_p); |
843 | return instance ? instance->widget : NULL; | |
844 | } | |
845 | ||
846 | Widget | |
db0e17de | 847 | lw_make_widget (LWLIB_ID id, Widget parent, Boolean pop_up_p) |
07bf635f RS |
848 | { |
849 | widget_instance* instance; | |
850 | widget_info* info; | |
177c0ea7 | 851 | |
07bf635f RS |
852 | instance = find_instance (id, parent, pop_up_p); |
853 | if (!instance) | |
854 | { | |
855 | info = get_widget_info (id, False); | |
856 | if (!info) | |
857 | return NULL; | |
858 | instance = allocate_widget_instance (info, parent, pop_up_p); | |
859 | initialize_widget_instance (instance); | |
860 | } | |
861 | if (!instance->widget) | |
862 | abort (); | |
863 | return instance->widget; | |
864 | } | |
865 | ||
866 | Widget | |
a953c1e3 | 867 | lw_create_widget (const char* type, const char* name, LWLIB_ID id, widget_value* val, |
db0e17de DL |
868 | Widget parent, Boolean pop_up_p, |
869 | lw_callback pre_activate_cb, lw_callback selection_cb, | |
870 | lw_callback post_activate_cb, lw_callback highlight_cb) | |
07bf635f RS |
871 | { |
872 | lw_register_widget (type, name, id, val, pre_activate_cb, selection_cb, | |
02512b20 | 873 | post_activate_cb, highlight_cb); |
07bf635f RS |
874 | return lw_make_widget (id, parent, pop_up_p); |
875 | } | |
177c0ea7 | 876 | |
07bf635f RS |
877 | \f |
878 | /* destroying the widgets */ | |
879 | static void | |
c3174d16 | 880 | destroy_one_instance (widget_instance *instance) |
07bf635f RS |
881 | { |
882 | /* Remove the destroy callback on the widget; that callback will try to | |
883 | dereference the instance object (to set its widget slot to 0, since the | |
884 | widget is dead.) Since the instance is now dead, we don't have to worry | |
885 | about the fact that its widget is dead too. | |
886 | ||
887 | This happens in the Phase2Destroy of the widget, so this callback would | |
888 | not have been run until arbitrarily long after the instance was freed. | |
889 | */ | |
890 | if (instance->widget) | |
891 | XtRemoveCallback (instance->widget, XtNdestroyCallback, | |
892 | mark_widget_destroyed, (XtPointer)instance); | |
893 | ||
894 | if (instance->widget) | |
895 | { | |
896 | /* The else are pretty tricky here, including the empty statement | |
897 | at the end because it would be very bad to destroy a widget | |
898 | twice. */ | |
899 | #if defined (USE_LUCID) | |
900 | if (lw_lucid_widget_p (instance->widget)) | |
901 | xlw_destroy_instance (instance); | |
902 | else | |
903 | #endif | |
904 | #if defined (USE_MOTIF) | |
905 | if (lw_motif_widget_p (instance->widget)) | |
906 | xm_destroy_instance (instance); | |
907 | else | |
908 | #endif | |
9331cca8 FP |
909 | #if defined (USE_XAW) |
910 | if (lw_xaw_widget_p (instance->widget)) | |
911 | xaw_destroy_instance (instance); | |
177c0ea7 | 912 | else |
07bf635f RS |
913 | #endif |
914 | /* do not remove the empty statement */ | |
915 | ; | |
916 | } | |
917 | ||
918 | free_widget_instance (instance); | |
919 | } | |
920 | ||
921 | void | |
c3174d16 | 922 | lw_destroy_widget (Widget w) |
07bf635f RS |
923 | { |
924 | widget_instance* instance = get_widget_instance (w, True); | |
177c0ea7 | 925 | |
07bf635f RS |
926 | if (instance) |
927 | { | |
928 | widget_info *info = instance->info; | |
929 | /* instance has already been removed from the list; free it */ | |
930 | destroy_one_instance (instance); | |
931 | /* if there are no instances left, free the info too */ | |
932 | if (!info->instances) | |
933 | lw_destroy_all_widgets (info->id); | |
934 | } | |
935 | } | |
936 | ||
937 | void | |
c3174d16 | 938 | lw_destroy_all_widgets (LWLIB_ID id) |
07bf635f RS |
939 | { |
940 | widget_info* info = get_widget_info (id, True); | |
941 | widget_instance* instance; | |
942 | widget_instance* next; | |
943 | ||
944 | if (info) | |
945 | { | |
946 | for (instance = info->instances; instance; ) | |
947 | { | |
948 | next = instance->next; | |
949 | destroy_one_instance (instance); | |
950 | instance = next; | |
951 | } | |
952 | free_widget_info (info); | |
953 | } | |
954 | } | |
955 | ||
956 | void | |
c3174d16 | 957 | lw_destroy_everything (void) |
07bf635f RS |
958 | { |
959 | while (all_widget_info) | |
960 | lw_destroy_all_widgets (all_widget_info->id); | |
961 | } | |
962 | ||
963 | void | |
c3174d16 | 964 | lw_destroy_all_pop_ups (void) |
07bf635f RS |
965 | { |
966 | widget_info* info; | |
967 | widget_info* next; | |
968 | widget_instance* instance; | |
969 | ||
970 | for (info = all_widget_info; info; info = next) | |
971 | { | |
972 | next = info->next; | |
973 | instance = info->instances; | |
974 | if (instance && instance->pop_up_p) | |
975 | lw_destroy_all_widgets (info->id); | |
976 | } | |
977 | } | |
978 | ||
979 | #ifdef USE_MOTIF | |
9e3fe459 | 980 | extern Widget first_child (/* Widget */); /* garbage */ |
07bf635f RS |
981 | #endif |
982 | ||
983 | Widget | |
c3174d16 | 984 | lw_raise_all_pop_up_widgets (void) |
07bf635f RS |
985 | { |
986 | widget_info* info; | |
987 | widget_instance* instance; | |
988 | Widget result = NULL; | |
989 | ||
990 | for (info = all_widget_info; info; info = info->next) | |
991 | for (instance = info->instances; instance; instance = instance->next) | |
992 | if (instance->pop_up_p) | |
993 | { | |
994 | Widget widget = instance->widget; | |
995 | if (widget) | |
996 | { | |
997 | if (XtIsManaged (widget) | |
998 | #ifdef USE_MOTIF | |
999 | /* What a complete load of crap!!!! | |
1000 | When a dialogShell is on the screen, it is not managed! | |
1001 | */ | |
1002 | || (lw_motif_widget_p (instance->widget) && | |
1003 | XtIsManaged (first_child (widget))) | |
1004 | #endif | |
1005 | ) | |
1006 | { | |
1007 | if (!result) | |
1008 | result = widget; | |
1009 | XMapRaised (XtDisplay (widget), XtWindow (widget)); | |
1010 | } | |
1011 | } | |
1012 | } | |
1013 | return result; | |
1014 | } | |
1015 | ||
1016 | static void | |
db0e17de | 1017 | lw_pop_all_widgets (LWLIB_ID id, Boolean up) |
07bf635f RS |
1018 | { |
1019 | widget_info* info = get_widget_info (id, False); | |
1020 | widget_instance* instance; | |
1021 | ||
1022 | if (info) | |
1023 | for (instance = info->instances; instance; instance = instance->next) | |
1024 | if (instance->pop_up_p && instance->widget) | |
1025 | { | |
07bf635f RS |
1026 | #if defined (USE_LUCID) |
1027 | if (lw_lucid_widget_p (instance->widget)) | |
9331cca8 FP |
1028 | { |
1029 | XtRealizeWidget (instance->widget); | |
1030 | xlw_pop_instance (instance, up); | |
1031 | } | |
07bf635f RS |
1032 | #endif |
1033 | #if defined (USE_MOTIF) | |
1034 | if (lw_motif_widget_p (instance->widget)) | |
9331cca8 FP |
1035 | { |
1036 | XtRealizeWidget (instance->widget); | |
1037 | xm_pop_instance (instance, up); | |
1038 | } | |
07bf635f | 1039 | #endif |
9331cca8 FP |
1040 | #if defined (USE_XAW) |
1041 | if (lw_xaw_widget_p (instance->widget)) | |
1042 | { | |
1043 | XtRealizeWidget (XtParent (instance->widget)); | |
1044 | XtRealizeWidget (instance->widget); | |
1045 | xaw_pop_instance (instance, up); | |
1046 | } | |
07bf635f RS |
1047 | #endif |
1048 | } | |
1049 | } | |
1050 | ||
1051 | void | |
c3174d16 | 1052 | lw_pop_up_all_widgets (LWLIB_ID id) |
07bf635f RS |
1053 | { |
1054 | lw_pop_all_widgets (id, True); | |
1055 | } | |
1056 | ||
1057 | void | |
c3174d16 | 1058 | lw_pop_down_all_widgets (LWLIB_ID id) |
07bf635f RS |
1059 | { |
1060 | lw_pop_all_widgets (id, False); | |
1061 | } | |
1062 | ||
1063 | void | |
c3174d16 | 1064 | lw_popup_menu (Widget widget, XEvent *event) |
07bf635f RS |
1065 | { |
1066 | #if defined (USE_LUCID) | |
1067 | if (lw_lucid_widget_p (widget)) | |
5b3b31d6 | 1068 | xlw_popup_menu (widget, event); |
07bf635f RS |
1069 | #endif |
1070 | #if defined (USE_MOTIF) | |
1071 | if (lw_motif_widget_p (widget)) | |
5b3b31d6 | 1072 | xm_popup_menu (widget, event); |
07bf635f | 1073 | #endif |
9331cca8 FP |
1074 | #if defined (USE_XAW) |
1075 | if (lw_xaw_widget_p (widget)) | |
5b3b31d6 | 1076 | xaw_popup_menu (widget, event); |
9331cca8 | 1077 | #endif |
07bf635f RS |
1078 | } |
1079 | ||
1080 | \f/* get the values back */ | |
1081 | static Boolean | |
c3174d16 | 1082 | get_one_value (widget_instance *instance, widget_value *val) |
07bf635f RS |
1083 | { |
1084 | Widget widget = name_to_widget (instance, val->name); | |
177c0ea7 | 1085 | |
07bf635f RS |
1086 | if (widget) |
1087 | { | |
1088 | #if defined (USE_LUCID) | |
1089 | if (lw_lucid_widget_p (instance->widget)) | |
1090 | xlw_update_one_value (instance, widget, val); | |
1091 | #endif | |
1092 | #if defined (USE_MOTIF) | |
1093 | if (lw_motif_widget_p (instance->widget)) | |
1094 | xm_update_one_value (instance, widget, val); | |
1095 | #endif | |
9331cca8 FP |
1096 | #if defined (USE_XAW) |
1097 | if (lw_xaw_widget_p (instance->widget)) | |
1098 | xaw_update_one_value (instance, widget, val); | |
07bf635f RS |
1099 | #endif |
1100 | return True; | |
1101 | } | |
1102 | else | |
1103 | return False; | |
1104 | } | |
1105 | ||
1106 | Boolean | |
c3174d16 | 1107 | lw_get_some_values (LWLIB_ID id, widget_value *val_out) |
07bf635f RS |
1108 | { |
1109 | widget_info* info = get_widget_info (id, False); | |
1110 | widget_instance* instance; | |
1111 | widget_value* val; | |
1112 | Boolean result = False; | |
1113 | ||
1114 | if (!info) | |
1115 | return False; | |
1116 | ||
1117 | instance = info->instances; | |
1118 | if (!instance) | |
1119 | return False; | |
1120 | ||
1121 | for (val = val_out; val; val = val->next) | |
1122 | if (get_one_value (instance, val)) | |
1123 | result = True; | |
1124 | ||
1125 | return result; | |
1126 | } | |
1127 | ||
1128 | widget_value* | |
c3174d16 | 1129 | lw_get_all_values (LWLIB_ID id) |
07bf635f RS |
1130 | { |
1131 | widget_info* info = get_widget_info (id, False); | |
1132 | widget_value* val = info->val; | |
1133 | if (lw_get_some_values (id, val)) | |
1134 | return val; | |
1135 | else | |
1136 | return NULL; | |
1137 | } | |
1138 | ||
1139 | /* internal function used by the library dependent implementation to get the | |
1140 | widget_value for a given widget in an instance */ | |
1141 | widget_value* | |
c3174d16 | 1142 | lw_get_widget_value_for_widget (widget_instance *instance, Widget w) |
07bf635f RS |
1143 | { |
1144 | char* name = XtName (w); | |
1145 | widget_value* cur; | |
1146 | for (cur = instance->info->val; cur; cur = cur->next) | |
1147 | if (!strcmp (cur->name, name)) | |
1148 | return cur; | |
1149 | return NULL; | |
1150 | } | |
1151 | ||
1152 | \f/* update other instances value when one thing changed */ | |
bd2c5b53 KH |
1153 | |
1154 | /* To forbid recursive calls */ | |
1155 | static Boolean lwlib_updating; | |
1156 | ||
177c0ea7 | 1157 | /* This function can be used as a an XtCallback for the widgets that get |
07bf635f RS |
1158 | modified to update other instances of the widgets. Closure should be the |
1159 | widget_instance. */ | |
1160 | void | |
c825c0b6 J |
1161 | lw_internal_update_other_instances (Widget widget, |
1162 | XtPointer closure, | |
1163 | XtPointer call_data) | |
07bf635f | 1164 | { |
07bf635f RS |
1165 | widget_instance* instance = (widget_instance*)closure; |
1166 | char* name = XtName (widget); | |
1167 | widget_info* info; | |
1168 | widget_instance* cur; | |
1169 | widget_value* val; | |
1170 | ||
bd2c5b53 KH |
1171 | /* Avoid possibly infinite recursion. */ |
1172 | if (lwlib_updating) | |
07bf635f RS |
1173 | return; |
1174 | ||
1175 | /* protect against the widget being destroyed */ | |
1176 | if (XtWidgetBeingDestroyedP (widget)) | |
1177 | return; | |
1178 | ||
1179 | /* Return immediately if there are no other instances */ | |
1180 | info = instance->info; | |
1181 | if (!info->instances->next) | |
1182 | return; | |
1183 | ||
bd2c5b53 | 1184 | lwlib_updating = True; |
07bf635f RS |
1185 | |
1186 | for (val = info->val; val && strcmp (val->name, name); val = val->next); | |
1187 | ||
1188 | if (val && get_one_value (instance, val)) | |
1189 | for (cur = info->instances; cur; cur = cur->next) | |
1190 | if (cur != instance) | |
1191 | set_one_value (cur, val, True); | |
1192 | ||
bd2c5b53 | 1193 | lwlib_updating = False; |
07bf635f RS |
1194 | } |
1195 | ||
1196 | ||
1197 | \f/* get the id */ | |
1198 | ||
1199 | LWLIB_ID | |
c3174d16 | 1200 | lw_get_widget_id (Widget w) |
07bf635f RS |
1201 | { |
1202 | widget_instance* instance = get_widget_instance (w, False); | |
1203 | ||
1204 | return instance ? instance->info->id : 0; | |
1205 | } | |
1206 | ||
1207 | \f/* set the keyboard focus */ | |
1208 | void | |
c3174d16 | 1209 | lw_set_keyboard_focus (Widget parent, Widget w) |
07bf635f RS |
1210 | { |
1211 | #if defined (USE_MOTIF) | |
1212 | xm_set_keyboard_focus (parent, w); | |
1213 | #else | |
1214 | XtSetKeyboardFocus (parent, w); | |
1215 | #endif | |
1216 | } | |
1217 | ||
1218 | \f/* Show busy */ | |
1219 | static void | |
db0e17de | 1220 | show_one_widget_busy (Widget w, Boolean flag) |
07bf635f RS |
1221 | { |
1222 | Pixel foreground = 0; | |
1223 | Pixel background = 1; | |
1224 | Widget widget_to_invert = XtNameToWidget (w, "*sheet"); | |
1225 | if (!widget_to_invert) | |
1226 | widget_to_invert = w; | |
177c0ea7 | 1227 | |
07bf635f RS |
1228 | XtVaGetValues (widget_to_invert, |
1229 | XtNforeground, &foreground, | |
1230 | XtNbackground, &background, | |
8dd095ee | 1231 | NULL); |
07bf635f RS |
1232 | XtVaSetValues (widget_to_invert, |
1233 | XtNforeground, background, | |
1234 | XtNbackground, foreground, | |
8dd095ee | 1235 | NULL); |
07bf635f RS |
1236 | } |
1237 | ||
1238 | void | |
db0e17de | 1239 | lw_show_busy (Widget w, Boolean busy) |
07bf635f RS |
1240 | { |
1241 | widget_instance* instance = get_widget_instance (w, False); | |
1242 | widget_info* info; | |
1243 | widget_instance* next; | |
1244 | ||
1245 | if (instance) | |
1246 | { | |
1247 | info = instance->info; | |
1248 | if (info->busy != busy) | |
1249 | { | |
1250 | for (next = info->instances; next; next = next->next) | |
1251 | if (next->widget) | |
1252 | show_one_widget_busy (next->widget, busy); | |
1253 | info->busy = busy; | |
1254 | } | |
1255 | } | |
1256 | } | |
2af91681 PR |
1257 | |
1258 | /* This hack exists because Lucid/Athena need to execute the strange | |
1259 | function below to support geometry management. */ | |
1260 | void | |
db0e17de | 1261 | lw_refigure_widget (Widget w, Boolean doit) |
2af91681 | 1262 | { |
177c0ea7 | 1263 | #if defined (USE_XAW) |
2af91681 PR |
1264 | XawPanedSetRefigureMode (w, doit); |
1265 | #endif | |
1266 | #if defined (USE_MOTIF) | |
1267 | if (doit) | |
2af91681 | 1268 | XtManageChild (w); |
a61155bc RS |
1269 | else |
1270 | XtUnmanageChild (w); | |
2af91681 PR |
1271 | #endif |
1272 | } | |
1273 | ||
1274 | /* Toolkit independent way of determining if an event window is in the | |
1275 | menubar. */ | |
1276 | Boolean | |
c3174d16 | 1277 | lw_window_is_in_menubar (Window win, Widget menubar_widget) |
2af91681 PR |
1278 | { |
1279 | return menubar_widget | |
1280 | #if defined (USE_LUCID) | |
1281 | && XtWindow (menubar_widget) == win; | |
1282 | #endif | |
1283 | #if defined (USE_MOTIF) | |
c17d59fc RS |
1284 | && ((XtWindow (menubar_widget) == win) |
1285 | || (XtWindowToWidget (XtDisplay (menubar_widget), win) | |
1286 | && (XtParent (XtWindowToWidget (XtDisplay (menubar_widget), win)) | |
1287 | == menubar_widget))); | |
2af91681 PR |
1288 | #endif |
1289 | } | |
1290 | ||
1291 | /* Motif hack to set the main window areas. */ | |
1292 | void | |
c3174d16 | 1293 | lw_set_main_areas (Widget parent, Widget menubar, Widget work_area) |
2af91681 PR |
1294 | { |
1295 | #if defined (USE_MOTIF) | |
6618806e | 1296 | xm_set_main_areas (parent, menubar, work_area); |
2af91681 PR |
1297 | #endif |
1298 | } | |
1299 | ||
1300 | /* Manage resizing for Motif. This disables resizing when the menubar | |
1301 | is about to be modified. */ | |
1302 | void | |
db0e17de | 1303 | lw_allow_resizing (Widget w, Boolean flag) |
2af91681 PR |
1304 | { |
1305 | #if defined (USE_MOTIF) | |
f78c5177 | 1306 | xm_manage_resizing (w, flag); |
2af91681 PR |
1307 | #endif |
1308 | } | |
da88f592 GM |
1309 | |
1310 | ||
1311 | /* Value is non-zero if LABEL is a menu separator. If it is, *TYPE is | |
1312 | set to an appropriate enumerator of type enum menu_separator. | |
1313 | MOTIF_P non-zero means map separator types not supported by Motif | |
1314 | to similar ones that are supported. */ | |
1315 | ||
1316 | int | |
d6dcbe70 | 1317 | lw_separator_p (const char *label, enum menu_separator *type, int motif_p) |
da88f592 | 1318 | { |
0f3360b0 | 1319 | int separator_p = 0; |
da88f592 GM |
1320 | |
1321 | if (strlen (label) >= 3 | |
72af86bd | 1322 | && memcmp (label, "--:", 3) == 0) |
da88f592 GM |
1323 | { |
1324 | static struct separator_table | |
1325 | { | |
a953c1e3 | 1326 | const char *name; |
da88f592 GM |
1327 | enum menu_separator type; |
1328 | } | |
1329 | separator_names[] = | |
1330 | { | |
4a5301d8 PJ |
1331 | {"space", SEPARATOR_NO_LINE}, |
1332 | {"noLine", SEPARATOR_NO_LINE}, | |
1333 | {"singleLine", SEPARATOR_SINGLE_LINE}, | |
1334 | {"doubleLine", SEPARATOR_DOUBLE_LINE}, | |
1335 | {"singleDashedLine", SEPARATOR_SINGLE_DASHED_LINE}, | |
1336 | {"doubleDashedLine", SEPARATOR_DOUBLE_DASHED_LINE}, | |
1337 | {"shadowEtchedIn", SEPARATOR_SHADOW_ETCHED_IN}, | |
1338 | {"shadowEtchedOut", SEPARATOR_SHADOW_ETCHED_OUT}, | |
1339 | {"shadowEtchedInDash", SEPARATOR_SHADOW_ETCHED_IN_DASH}, | |
1340 | {"shadowEtchedOutDash", SEPARATOR_SHADOW_ETCHED_OUT_DASH}, | |
1341 | {"shadowDoubleEtchedIn", SEPARATOR_SHADOW_DOUBLE_ETCHED_IN}, | |
1342 | {"shadowDoubleEtchedOut", SEPARATOR_SHADOW_DOUBLE_ETCHED_OUT}, | |
1343 | {"shadowDoubleEtchedInDash", SEPARATOR_SHADOW_DOUBLE_ETCHED_IN_DASH}, | |
1344 | {"shadowDoubleEtchedOutDash", SEPARATOR_SHADOW_DOUBLE_ETCHED_OUT_DASH}, | |
1345 | {0,0} | |
da88f592 GM |
1346 | }; |
1347 | ||
1348 | int i; | |
1349 | ||
1350 | label += 3; | |
1351 | for (i = 0; separator_names[i].name; ++i) | |
1352 | if (strcmp (label, separator_names[i].name) == 0) | |
1353 | { | |
1354 | separator_p = 1; | |
1355 | *type = separator_names[i].type; | |
1356 | ||
2af98732 GM |
1357 | /* If separator type is not supported under Motif, |
1358 | use a similar one. */ | |
1359 | if (motif_p && *type >= SEPARATOR_SHADOW_DOUBLE_ETCHED_IN) | |
1360 | *type -= 4; | |
1361 | break; | |
1362 | } | |
1363 | } | |
1364 | else if (strlen (label) > 3 | |
72af86bd | 1365 | && memcmp (label, "--", 2) == 0 |
46d74a69 | 1366 | && label[2] != '-') |
2af98732 GM |
1367 | { |
1368 | /* Alternative, more Emacs-style names. */ | |
1369 | static struct separator_table | |
1370 | { | |
a953c1e3 | 1371 | const char *name; |
2af98732 GM |
1372 | enum menu_separator type; |
1373 | } | |
1374 | separator_names[] = | |
1375 | { | |
4a5301d8 PJ |
1376 | {"space", SEPARATOR_NO_LINE}, |
1377 | {"no-line", SEPARATOR_NO_LINE}, | |
1378 | {"single-line", SEPARATOR_SINGLE_LINE}, | |
1379 | {"double-line", SEPARATOR_DOUBLE_LINE}, | |
1380 | {"single-dashed-line", SEPARATOR_SINGLE_DASHED_LINE}, | |
1381 | {"double-dashed-line", SEPARATOR_DOUBLE_DASHED_LINE}, | |
1382 | {"shadow-etched-in", SEPARATOR_SHADOW_ETCHED_IN}, | |
1383 | {"shadow-etched-out", SEPARATOR_SHADOW_ETCHED_OUT}, | |
1384 | {"shadow-etched-in-dash", SEPARATOR_SHADOW_ETCHED_IN_DASH}, | |
1385 | {"shadow-etched-out-dash", SEPARATOR_SHADOW_ETCHED_OUT_DASH}, | |
1386 | {"shadow-double-etched-in", SEPARATOR_SHADOW_DOUBLE_ETCHED_IN}, | |
1387 | {"shadow-double-etched-out", SEPARATOR_SHADOW_DOUBLE_ETCHED_OUT}, | |
1388 | {"shadow-double-etched-in-dash", SEPARATOR_SHADOW_DOUBLE_ETCHED_IN_DASH}, | |
1389 | {"shadow-double-etched-out-dash",SEPARATOR_SHADOW_DOUBLE_ETCHED_OUT_DASH}, | |
1390 | {0,0} | |
2af98732 GM |
1391 | }; |
1392 | ||
1393 | int i; | |
1394 | ||
1395 | label += 2; | |
1396 | for (i = 0; separator_names[i].name; ++i) | |
1397 | if (strcmp (label, separator_names[i].name) == 0) | |
1398 | { | |
1399 | separator_p = 1; | |
1400 | *type = separator_names[i].type; | |
1401 | ||
da88f592 GM |
1402 | /* If separator type is not supported under Motif, |
1403 | use a similar one. */ | |
1404 | if (motif_p && *type >= SEPARATOR_SHADOW_DOUBLE_ETCHED_IN) | |
1405 | *type -= 4; | |
1406 | break; | |
1407 | } | |
1408 | } | |
1409 | else | |
1410 | { | |
1411 | /* Old-style separator, maybe. It's a separator if it contains | |
1412 | only dashes. */ | |
1413 | while (*label == '-') | |
1414 | ++label; | |
1415 | separator_p = *label == 0; | |
1416 | *type = SEPARATOR_SHADOW_ETCHED_IN; | |
1417 | } | |
1418 | ||
1419 | return separator_p; | |
1420 | } | |
1421 |