This source file includes following definitions.
- dlg_default_get_colors
- dlg_read_history
- refresh_cmd
- dlg_execute_cmd
- dlg_handle_key
- dlg_key_event
- dlg_handle_mouse_event
- frontend_dlg_run
- dlg_default_callback
- dlg_default_mouse_callback
- dlg_create
- dlg_set_default_colors
- do_refresh
- dlg_stop
- dlg_init
- dlg_process_event
- dlg_run_done
- dlg_run
- dlg_destroy
- dlg_save_history
- dlg_get_title
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27 #include <config.h>
28
29 #include <ctype.h>
30 #include <errno.h>
31 #include <stdlib.h>
32 #include <stdio.h>
33 #include <string.h>
34 #include <sys/types.h>
35 #include <sys/stat.h>
36
37 #include "lib/global.h"
38
39 #include "lib/tty/tty.h"
40 #include "lib/skin.h"
41 #include "lib/tty/key.h"
42 #include "lib/strutil.h"
43 #include "lib/fileloc.h"
44 #include "lib/event.h"
45 #include "lib/util.h"
46 #include "lib/mcconfig.h"
47
48 #include "lib/widget.h"
49 #include "lib/widget/mouse.h"
50
51
52
53
54 dlg_colors_t dialog_colors;
55 dlg_colors_t alarm_colors;
56 dlg_colors_t listbox_colors;
57
58
59
60 GList *top_dlg = NULL;
61
62
63 hook_t *idle_hook = NULL;
64
65
66
67 gboolean fast_refresh = FALSE;
68
69
70 gboolean mouse_close_dialog = FALSE;
71
72 const global_keymap_t *dialog_map = NULL;
73
74
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82
83
84 static const int *
85 dlg_default_get_colors (const Widget * w)
86 {
87 return CONST_DIALOG (w)->colors;
88 }
89
90
91
92
93
94 static void
95 dlg_read_history (WDialog * h)
96 {
97 char *profile;
98 ev_history_load_save_t event_data;
99
100 if (num_history_items_recorded == 0)
101 return;
102
103 profile = mc_config_get_full_path (MC_HISTORY_FILE);
104 event_data.cfg = mc_config_init (profile, TRUE);
105 event_data.receiver = NULL;
106
107
108 mc_event_raise (h->event_group, MCEVENT_HISTORY_LOAD, &event_data);
109
110 mc_config_deinit (event_data.cfg);
111 g_free (profile);
112 }
113
114
115
116 static void
117 refresh_cmd (void)
118 {
119 #ifdef HAVE_SLANG
120 tty_touch_screen ();
121 mc_refresh ();
122 #else
123
124 tty_clear_screen ();
125 repaint_screen ();
126 #endif
127 }
128
129
130
131 static cb_ret_t
132 dlg_execute_cmd (WDialog * h, long command)
133 {
134 WGroup *g = GROUP (h);
135 cb_ret_t ret = MSG_HANDLED;
136
137 if (send_message (h, NULL, MSG_ACTION, command, NULL) == MSG_HANDLED)
138 return MSG_HANDLED;
139
140 switch (command)
141 {
142 case CK_Ok:
143 h->ret_value = B_ENTER;
144 dlg_stop (h);
145 break;
146 case CK_Cancel:
147 h->ret_value = B_CANCEL;
148 dlg_stop (h);
149 break;
150
151 case CK_Up:
152 case CK_Left:
153 group_select_prev_widget (g);
154 break;
155 case CK_Down:
156 case CK_Right:
157 group_select_next_widget (g);
158 break;
159
160 case CK_Help:
161 {
162 ev_help_t event_data = { NULL, h->help_ctx };
163 mc_event_raise (MCEVENT_GROUP_CORE, "help", &event_data);
164 }
165 break;
166
167 case CK_Suspend:
168 mc_event_raise (MCEVENT_GROUP_CORE, "suspend", NULL);
169 refresh_cmd ();
170 break;
171 case CK_Refresh:
172 refresh_cmd ();
173 break;
174
175 case CK_ScreenList:
176 if (!widget_get_state (WIDGET (h), WST_MODAL))
177 dialog_switch_list ();
178 else
179 ret = MSG_NOT_HANDLED;
180 break;
181 case CK_ScreenNext:
182 if (!widget_get_state (WIDGET (h), WST_MODAL))
183 dialog_switch_next ();
184 else
185 ret = MSG_NOT_HANDLED;
186 break;
187 case CK_ScreenPrev:
188 if (!widget_get_state (WIDGET (h), WST_MODAL))
189 dialog_switch_prev ();
190 else
191 ret = MSG_NOT_HANDLED;
192 break;
193
194 default:
195 ret = MSG_NOT_HANDLED;
196 }
197
198 return ret;
199 }
200
201
202
203 static cb_ret_t
204 dlg_handle_key (WDialog * h, int d_key)
205 {
206 long command;
207
208 command = widget_lookup_key (WIDGET (h), d_key);
209 if (command == CK_IgnoreKey)
210 command = keybind_lookup_keymap_command (dialog_map, d_key);
211 if (command != CK_IgnoreKey)
212 return dlg_execute_cmd (h, command);
213
214 return MSG_NOT_HANDLED;
215 }
216
217
218
219 static void
220 dlg_key_event (WDialog * h, int d_key)
221 {
222 Widget *w = WIDGET (h);
223 WGroup *g = GROUP (h);
224 cb_ret_t handled;
225
226 if (g->widgets == NULL)
227 return;
228
229 if (g->current == NULL)
230 g->current = g->widgets;
231
232
233 if (!widget_get_options (w, WOP_WANT_TAB))
234 {
235 if (d_key == '\t')
236 {
237 group_select_next_widget (g);
238 return;
239 }
240 else if ((d_key & ~(KEY_M_SHIFT | KEY_M_CTRL)) == '\t')
241 {
242 group_select_prev_widget (g);
243 return;
244 }
245 }
246
247
248 handled = send_message (h, NULL, MSG_KEY, d_key, NULL);
249
250 if (handled == MSG_NOT_HANDLED)
251 handled = group_default_callback (w, NULL, MSG_KEY, d_key, NULL);
252
253 if (handled == MSG_NOT_HANDLED)
254 handled = dlg_handle_key (h, d_key);
255
256 (void) handled;
257 send_message (h, NULL, MSG_POST_KEY, d_key, NULL);
258 }
259
260
261
262 static int
263 dlg_handle_mouse_event (Widget * w, Gpm_Event * event)
264 {
265 if (w->mouse_callback != NULL)
266 {
267 int mou;
268
269 mou = mouse_handle_event (w, event);
270 if (mou != MOU_UNHANDLED)
271 return mou;
272 }
273
274 return group_handle_mouse_event (w, event);
275 }
276
277
278
279 static void
280 frontend_dlg_run (WDialog * h)
281 {
282 Widget *wh = WIDGET (h);
283 Gpm_Event event;
284
285 event.x = -1;
286
287
288 if (!widget_get_state (wh, WST_MODAL) && mc_global.midnight_shutdown)
289 {
290 send_message (h, NULL, MSG_VALIDATE, 0, NULL);
291 return;
292 }
293
294 while (widget_get_state (wh, WST_ACTIVE))
295 {
296 int d_key;
297
298 if (tty_got_winch ())
299 dialog_change_screen_size ();
300
301 if (is_idle ())
302 {
303 if (idle_hook)
304 execute_hooks (idle_hook);
305
306 while (widget_get_state (wh, WST_IDLE) && is_idle ())
307 send_message (wh, NULL, MSG_IDLE, 0, NULL);
308
309
310 if (!widget_get_state (wh, WST_ACTIVE))
311 break;
312 }
313
314 widget_update_cursor (wh);
315
316
317 tty_got_interrupt ();
318 d_key = tty_get_event (&event, GROUP (h)->mouse_status == MOU_REPEAT, TRUE);
319
320 dlg_process_event (h, d_key, &event);
321
322 if (widget_get_state (wh, WST_CLOSED))
323 send_message (h, NULL, MSG_VALIDATE, 0, NULL);
324 }
325 }
326
327
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329
330
331
332 cb_ret_t
333 dlg_default_callback (Widget * w, Widget * sender, widget_msg_t msg, int parm, void *data)
334 {
335 switch (msg)
336 {
337 case MSG_IDLE:
338
339 widget_idle (w, FALSE);
340 return MSG_HANDLED;
341
342 default:
343 return group_default_callback (w, sender, msg, parm, data);
344 }
345 }
346
347
348
349 void
350 dlg_default_mouse_callback (Widget * w, mouse_msg_t msg, mouse_event_t * event)
351 {
352 switch (msg)
353 {
354 case MSG_MOUSE_CLICK:
355 if (event->y < 0 || event->y >= w->lines || event->x < 0 || event->x >= w->cols)
356 {
357 DIALOG (w)->ret_value = B_CANCEL;
358 dlg_stop (DIALOG (w));
359 }
360 break;
361
362 default:
363
364 event->result.abort = TRUE;
365 break;
366 }
367 }
368
369
370
371 WDialog *
372 dlg_create (gboolean modal, int y1, int x1, int lines, int cols, widget_pos_flags_t pos_flags,
373 gboolean compact, const int *colors, widget_cb_fn callback,
374 widget_mouse_cb_fn mouse_callback, const char *help_ctx, const char *title)
375 {
376 WDialog *new_d;
377 Widget *w;
378 WGroup *g;
379
380 new_d = g_new0 (WDialog, 1);
381 w = WIDGET (new_d);
382 g = GROUP (new_d);
383 widget_adjust_position (pos_flags, &y1, &x1, &lines, &cols);
384 group_init (g, y1, x1, lines, cols, callback != NULL ? callback : dlg_default_callback,
385 mouse_callback != NULL ? mouse_callback : dlg_default_mouse_callback);
386
387 w->pos_flags = pos_flags;
388 w->options |= WOP_SELECTABLE | WOP_TOP_SELECT;
389 w->state |= WST_FOCUSED;
390
391 w->owner = g;
392
393 w->keymap = dialog_map;
394
395 w->mouse_handler = dlg_handle_mouse_event;
396 w->mouse.forced_capture = mouse_close_dialog && (w->pos_flags & WPOS_FULLSCREEN) == 0;
397
398 w->get_colors = dlg_default_get_colors;
399
400 new_d->colors = colors;
401 new_d->help_ctx = help_ctx;
402 new_d->compact = compact;
403 new_d->data = NULL;
404
405 if (modal)
406 {
407 w->state |= WST_MODAL;
408
409 new_d->bg = WIDGET (frame_new (0, 0, w->lines, w->cols, title, FALSE, new_d->compact));
410 group_add_widget (g, new_d->bg);
411 frame_set_title (FRAME (new_d->bg), title);
412 }
413
414
415 new_d->event_group = g_strdup_printf ("%s_%p", MCEVENT_GROUP_DIALOG, (void *) new_d);
416
417 return new_d;
418 }
419
420
421
422 void
423 dlg_set_default_colors (void)
424 {
425 dialog_colors[DLG_COLOR_NORMAL] = COLOR_NORMAL;
426 dialog_colors[DLG_COLOR_FOCUS] = COLOR_FOCUS;
427 dialog_colors[DLG_COLOR_HOT_NORMAL] = COLOR_HOT_NORMAL;
428 dialog_colors[DLG_COLOR_HOT_FOCUS] = COLOR_HOT_FOCUS;
429 dialog_colors[DLG_COLOR_TITLE] = COLOR_TITLE;
430
431 alarm_colors[DLG_COLOR_NORMAL] = ERROR_COLOR;
432 alarm_colors[DLG_COLOR_FOCUS] = ERROR_FOCUS;
433 alarm_colors[DLG_COLOR_HOT_NORMAL] = ERROR_HOT_NORMAL;
434 alarm_colors[DLG_COLOR_HOT_FOCUS] = ERROR_HOT_FOCUS;
435 alarm_colors[DLG_COLOR_TITLE] = ERROR_TITLE;
436
437 listbox_colors[DLG_COLOR_NORMAL] = PMENU_ENTRY_COLOR;
438 listbox_colors[DLG_COLOR_FOCUS] = PMENU_SELECTED_COLOR;
439 listbox_colors[DLG_COLOR_HOT_NORMAL] = PMENU_ENTRY_COLOR;
440 listbox_colors[DLG_COLOR_HOT_FOCUS] = PMENU_SELECTED_COLOR;
441 listbox_colors[DLG_COLOR_TITLE] = PMENU_TITLE_COLOR;
442 }
443
444
445
446 void
447 do_refresh (void)
448 {
449 GList *d = top_dlg;
450
451 if (fast_refresh)
452 {
453 if (d != NULL)
454 widget_draw (WIDGET (d->data));
455 }
456 else
457 {
458
459 for (; d != NULL; d = g_list_next (d))
460 if ((WIDGET (d->data)->pos_flags & WPOS_FULLSCREEN) != 0)
461 break;
462
463
464
465 if (d == NULL)
466 d = g_list_last (top_dlg);
467
468
469 for (; d != NULL; d = g_list_previous (d))
470 widget_draw (WIDGET (d->data));
471 }
472 }
473
474
475
476 void
477 dlg_stop (WDialog * h)
478 {
479 widget_set_state (WIDGET (h), WST_CLOSED, TRUE);
480 }
481
482
483
484
485 void
486 dlg_init (WDialog * h)
487 {
488 WGroup *g = GROUP (h);
489 Widget *wh = WIDGET (h);
490
491 if (top_dlg != NULL && widget_get_state (WIDGET (top_dlg->data), WST_MODAL))
492 widget_set_state (wh, WST_MODAL, TRUE);
493
494
495 top_dlg = g_list_prepend (top_dlg, h);
496
497
498 if (widget_get_state (wh, WST_CONSTRUCT))
499 {
500 if (!widget_get_state (wh, WST_MODAL))
501 dialog_switch_add (h);
502
503 send_message (h, NULL, MSG_INIT, 0, NULL);
504 group_default_callback (wh, NULL, MSG_INIT, 0, NULL);
505 dlg_read_history (h);
506 }
507
508
509 while (g->current != NULL && !widget_get_options (WIDGET (g->current->data), WOP_SELECTABLE)
510 && !widget_get_state (WIDGET (g->current->data), WST_DISABLED))
511 group_set_current_widget_next (g);
512
513 widget_set_state (wh, WST_ACTIVE, TRUE);
514
515 widget_set_state (wh, WST_FOCUSED, TRUE);
516
517 h->ret_value = 0;
518 }
519
520
521
522 void
523 dlg_process_event (WDialog * h, int key, Gpm_Event * event)
524 {
525 switch (key)
526 {
527 case EV_NONE:
528 if (tty_got_interrupt ())
529 dlg_execute_cmd (h, CK_Cancel);
530 break;
531
532 case EV_MOUSE:
533 {
534 Widget *w = WIDGET (h);
535
536 GROUP (h)->mouse_status = w->mouse_handler (w, event);
537 break;
538 }
539
540 default:
541 dlg_key_event (h, key);
542 break;
543 }
544 }
545
546
547
548
549 void
550 dlg_run_done (WDialog * h)
551 {
552 top_dlg = g_list_remove (top_dlg, h);
553
554 if (widget_get_state (WIDGET (h), WST_CLOSED))
555 {
556 send_message (h, GROUP (h)->current == NULL ? NULL : WIDGET (GROUP (h)->current->data),
557 MSG_END, 0, NULL);
558 if (!widget_get_state (WIDGET (h), WST_MODAL))
559 dialog_switch_remove (h);
560 }
561 }
562
563
564
565
566
567
568
569
570
571 int
572 dlg_run (WDialog * h)
573 {
574 dlg_init (h);
575 frontend_dlg_run (h);
576 dlg_run_done (h);
577 return h->ret_value;
578 }
579
580
581
582 void
583 dlg_destroy (WDialog * h)
584 {
585
586 dlg_save_history (h);
587 group_default_callback (WIDGET (h), NULL, MSG_DESTROY, 0, NULL);
588 mc_event_group_del (h->event_group);
589 g_free (h->event_group);
590 g_free (h);
591
592 do_refresh ();
593 }
594
595
596
597
598
599
600 void
601 dlg_save_history (WDialog * h)
602 {
603 char *profile;
604 int i;
605
606 if (num_history_items_recorded == 0)
607 return;
608
609 profile = mc_config_get_full_path (MC_HISTORY_FILE);
610 i = open (profile, O_CREAT | O_EXCL, S_IRUSR | S_IWUSR);
611 if (i != -1)
612 close (i);
613
614
615 if (chmod (profile, S_IRUSR | S_IWUSR) != -1 || errno == ENOENT)
616 {
617 ev_history_load_save_t event_data;
618
619 event_data.cfg = mc_config_init (profile, FALSE);
620 event_data.receiver = NULL;
621
622
623 mc_event_raise (h->event_group, MCEVENT_HISTORY_SAVE, &event_data);
624
625 mc_config_save_file (event_data.cfg, NULL);
626 mc_config_deinit (event_data.cfg);
627 }
628
629 g_free (profile);
630 }
631
632
633
634 char *
635 dlg_get_title (const WDialog * h, size_t len)
636 {
637 char *t;
638
639 if (h == NULL)
640 abort ();
641
642 if (h->get_title != NULL)
643 t = h->get_title (h, len);
644 else
645 t = g_strdup ("");
646
647 return t;
648 }
649
650