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_destroy
- 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_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
328
329 static void
330 dlg_default_destroy (Widget * w)
331 {
332 WDialog *h = DIALOG (w);
333
334
335 dlg_save_history (h);
336 group_default_callback (w, NULL, MSG_DESTROY, 0, NULL);
337 mc_event_group_del (h->event_group);
338 g_free (h->event_group);
339 g_free (h);
340
341 do_refresh ();
342 }
343
344
345
346
347
348
349 cb_ret_t
350 dlg_default_callback (Widget * w, Widget * sender, widget_msg_t msg, int parm, void *data)
351 {
352 switch (msg)
353 {
354 case MSG_INIT:
355
356 return MSG_HANDLED;
357
358 case MSG_IDLE:
359
360 widget_idle (w, FALSE);
361 return MSG_HANDLED;
362
363 case MSG_DESTROY:
364
365 return MSG_HANDLED;
366
367 default:
368 return group_default_callback (w, sender, msg, parm, data);
369 }
370 }
371
372
373
374 void
375 dlg_default_mouse_callback (Widget * w, mouse_msg_t msg, mouse_event_t * event)
376 {
377 switch (msg)
378 {
379 case MSG_MOUSE_CLICK:
380 if (event->y < 0 || event->y >= w->lines || event->x < 0 || event->x >= w->cols)
381 {
382 DIALOG (w)->ret_value = B_CANCEL;
383 dlg_stop (DIALOG (w));
384 }
385 break;
386
387 default:
388
389 event->result.abort = TRUE;
390 break;
391 }
392 }
393
394
395
396 WDialog *
397 dlg_create (gboolean modal, int y1, int x1, int lines, int cols, widget_pos_flags_t pos_flags,
398 gboolean compact, const int *colors, widget_cb_fn callback,
399 widget_mouse_cb_fn mouse_callback, const char *help_ctx, const char *title)
400 {
401 WDialog *new_d;
402 Widget *w;
403 WGroup *g;
404
405 new_d = g_new0 (WDialog, 1);
406 w = WIDGET (new_d);
407 g = GROUP (new_d);
408 widget_adjust_position (pos_flags, &y1, &x1, &lines, &cols);
409 group_init (g, y1, x1, lines, cols, callback != NULL ? callback : dlg_default_callback,
410 mouse_callback != NULL ? mouse_callback : dlg_default_mouse_callback);
411
412 w->pos_flags = pos_flags;
413 w->options |= WOP_SELECTABLE | WOP_TOP_SELECT;
414 w->state |= WST_FOCUSED;
415
416 w->owner = g;
417
418 w->keymap = dialog_map;
419
420 w->mouse_handler = dlg_handle_mouse_event;
421 w->mouse.forced_capture = mouse_close_dialog && (w->pos_flags & WPOS_FULLSCREEN) == 0;
422
423 w->destroy = dlg_default_destroy;
424 w->get_colors = dlg_default_get_colors;
425
426 new_d->colors = colors;
427 new_d->help_ctx = help_ctx;
428 new_d->compact = compact;
429 new_d->data = NULL;
430
431 if (modal)
432 {
433 w->state |= WST_MODAL;
434
435 new_d->bg = WIDGET (frame_new (0, 0, w->lines, w->cols, title, FALSE, new_d->compact));
436 group_add_widget (g, new_d->bg);
437 frame_set_title (FRAME (new_d->bg), title);
438 }
439
440
441 new_d->event_group = g_strdup_printf ("%s_%p", MCEVENT_GROUP_DIALOG, (void *) new_d);
442
443 return new_d;
444 }
445
446
447
448 void
449 dlg_set_default_colors (void)
450 {
451 dialog_colors[DLG_COLOR_NORMAL] = COLOR_NORMAL;
452 dialog_colors[DLG_COLOR_FOCUS] = COLOR_FOCUS;
453 dialog_colors[DLG_COLOR_HOT_NORMAL] = COLOR_HOT_NORMAL;
454 dialog_colors[DLG_COLOR_HOT_FOCUS] = COLOR_HOT_FOCUS;
455 dialog_colors[DLG_COLOR_TITLE] = COLOR_TITLE;
456
457 alarm_colors[DLG_COLOR_NORMAL] = ERROR_COLOR;
458 alarm_colors[DLG_COLOR_FOCUS] = ERROR_FOCUS;
459 alarm_colors[DLG_COLOR_HOT_NORMAL] = ERROR_HOT_NORMAL;
460 alarm_colors[DLG_COLOR_HOT_FOCUS] = ERROR_HOT_FOCUS;
461 alarm_colors[DLG_COLOR_TITLE] = ERROR_TITLE;
462
463 listbox_colors[DLG_COLOR_NORMAL] = PMENU_ENTRY_COLOR;
464 listbox_colors[DLG_COLOR_FOCUS] = PMENU_SELECTED_COLOR;
465 listbox_colors[DLG_COLOR_HOT_NORMAL] = PMENU_ENTRY_COLOR;
466 listbox_colors[DLG_COLOR_HOT_FOCUS] = PMENU_SELECTED_COLOR;
467 listbox_colors[DLG_COLOR_TITLE] = PMENU_TITLE_COLOR;
468 }
469
470
471
472 void
473 do_refresh (void)
474 {
475 GList *d = top_dlg;
476
477 if (fast_refresh)
478 {
479 if (d != NULL)
480 widget_draw (WIDGET (d->data));
481 }
482 else
483 {
484
485 for (; d != NULL; d = g_list_next (d))
486 if ((WIDGET (d->data)->pos_flags & WPOS_FULLSCREEN) != 0)
487 break;
488
489
490
491 if (d == NULL)
492 d = g_list_last (top_dlg);
493
494
495 for (; d != NULL; d = g_list_previous (d))
496 widget_draw (WIDGET (d->data));
497 }
498 }
499
500
501
502 void
503 dlg_stop (WDialog * h)
504 {
505 widget_set_state (WIDGET (h), WST_CLOSED, TRUE);
506 }
507
508
509
510
511 void
512 dlg_init (WDialog * h)
513 {
514 WGroup *g = GROUP (h);
515 Widget *wh = WIDGET (h);
516
517 if (top_dlg != NULL && widget_get_state (WIDGET (top_dlg->data), WST_MODAL))
518 widget_set_state (wh, WST_MODAL, TRUE);
519
520
521 top_dlg = g_list_prepend (top_dlg, h);
522
523
524 if (widget_get_state (wh, WST_CONSTRUCT))
525 {
526 if (!widget_get_state (wh, WST_MODAL))
527 dialog_switch_add (h);
528
529 send_message (h, NULL, MSG_INIT, 0, NULL);
530 group_default_callback (wh, NULL, MSG_INIT, 0, NULL);
531 dlg_read_history (h);
532 }
533
534
535 while (g->current != NULL && !widget_is_focusable (g->current->data))
536 group_set_current_widget_next (g);
537
538 widget_set_state (wh, WST_ACTIVE, TRUE);
539
540 widget_set_state (wh, WST_FOCUSED, TRUE);
541
542 h->ret_value = 0;
543 }
544
545
546
547 void
548 dlg_process_event (WDialog * h, int key, Gpm_Event * event)
549 {
550 switch (key)
551 {
552 case EV_NONE:
553 if (tty_got_interrupt ())
554 dlg_execute_cmd (h, CK_Cancel);
555 break;
556
557 case EV_MOUSE:
558 {
559 Widget *w = WIDGET (h);
560
561 GROUP (h)->mouse_status = w->mouse_handler (w, event);
562 break;
563 }
564
565 default:
566 dlg_key_event (h, key);
567 break;
568 }
569 }
570
571
572
573
574 void
575 dlg_run_done (WDialog * h)
576 {
577 top_dlg = g_list_remove (top_dlg, h);
578
579 if (widget_get_state (WIDGET (h), WST_CLOSED))
580 {
581 send_message (h, GROUP (h)->current == NULL ? NULL : WIDGET (GROUP (h)->current->data),
582 MSG_END, 0, NULL);
583 if (!widget_get_state (WIDGET (h), WST_MODAL))
584 dialog_switch_remove (h);
585 }
586 }
587
588
589
590
591
592
593
594
595
596 int
597 dlg_run (WDialog * h)
598 {
599 dlg_init (h);
600 frontend_dlg_run (h);
601 dlg_run_done (h);
602 return h->ret_value;
603 }
604
605
606
607
608
609
610 void
611 dlg_save_history (WDialog * h)
612 {
613 char *profile;
614 int i;
615
616 if (num_history_items_recorded == 0)
617 return;
618
619 profile = mc_config_get_full_path (MC_HISTORY_FILE);
620 i = open (profile, O_CREAT | O_EXCL, S_IRUSR | S_IWUSR);
621 if (i != -1)
622 close (i);
623
624
625 if (chmod (profile, S_IRUSR | S_IWUSR) != -1 || errno == ENOENT)
626 {
627 ev_history_load_save_t event_data;
628
629 event_data.cfg = mc_config_init (profile, FALSE);
630 event_data.receiver = NULL;
631
632
633 mc_event_raise (h->event_group, MCEVENT_HISTORY_SAVE, &event_data);
634
635 mc_config_save_file (event_data.cfg, NULL);
636 mc_config_deinit (event_data.cfg);
637 }
638
639 g_free (profile);
640 }
641
642
643
644 char *
645 dlg_get_title (const WDialog * h, size_t len)
646 {
647 char *t;
648
649 if (h == NULL)
650 abort ();
651
652 if (h->get_title != NULL)
653 t = h->get_title (h, len);
654 else
655 t = g_strdup ("");
656
657 return t;
658 }
659
660