aboutsummaryrefslogtreecommitdiffstats
path: root/src/notify.c
blob: 72741ed801f2defac4c23b0645d59947e7536844 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
/*	$calcurse: notify.c,v 1.47 2009/08/17 10:04:39 culot Exp $	*/

/*
 * Calcurse - text-based organizer
 *
 * Copyright (c) 2004-2009 Frederic Culot <frederic@culot.org>
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 *      - Redistributions of source code must retain the above
 *        copyright notice, this list of conditions and the
 *        following disclaimer.
 *
 *      - Redistributions in binary form must reproduce the above
 *        copyright notice, this list of conditions and the
 *        following disclaimer in the documentation and/or other
 *        materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 * Send your feedback or comments to : calcurse@culot.org
 * Calcurse home page : http://culot.org/calcurse
 *
 */

#include <time.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>

#ifdef HAVE_CONFIG_H
#include "config.h"
#endif /* HAVE_CONFIG_H */

#include "i18n.h"
#include "utils.h"
#include "custom.h"
#include "keys.h"
#include "mem.h"
#include "notify.h"

static struct notify_vars_s   notify;
static struct notify_app_s    notify_app;
static pthread_attr_t         detached_thread_attr;
static pthread_t              notify_t_main;

/*
 * Return the number of seconds before next appointment
 * (0 if no upcoming appointment).
 */
int
notify_time_left (void)
{
  struct tm *ntime;
  time_t ntimer;
  int left;  

  ntimer = time (NULL);
  ntime = localtime (&ntimer);
  left = notify_app.time - ntimer;

  return left > 0 ? left : 0;
}

/*
 * Return 1 if the reminder was not sent already for the upcoming
 * appointment.
 */
unsigned
notify_needs_reminder (void)
{
  if (notify_app.got_app
      && (notify_app.state & APOINT_NOTIFY)
      && !(notify_app.state & APOINT_NOTIFIED))
    return 1;
  return 0;
}

/*
 * This is used to update the notify_app structure.
 * Note: the mutex associated with this structure must be locked by the
 * caller!
 */
void
notify_update_app (long start, char state, char *msg)
{
  notify_free_app ();
  notify_app.got_app = 1;
  notify_app.time = start;
  notify_app.state = state;  
  notify_app.txt = mem_strdup (msg);
}

/* Return 1 if we need to display the notify-bar, else 0. */
int
notify_bar (void)
{
  int display_bar = 0;

  pthread_mutex_lock (&nbar.mutex);
  display_bar = (nbar.show) ? 1 : 0;
  pthread_mutex_unlock (&nbar.mutex);

  return (display_bar);
}

/* Initialize the nbar variable used to store notification options. */
void
notify_init_vars (void)
{
  char *time_format = "%T";
  char *date_format = "%a %F";
  char *cmd = "printf '\\a'";

  pthread_mutex_init (&nbar.mutex, NULL);
  nbar.show = 1;
  nbar.cntdwn = 300;
  (void)strncpy (nbar.datefmt, date_format, strlen (date_format) + 1);
  (void)strncpy (nbar.timefmt, time_format, strlen (time_format) + 1);
  (void)strncpy (nbar.cmd, cmd, strlen (cmd) + 1);

  if ((nbar.shell = getenv ("SHELL")) == NULL)
    nbar.shell = "/bin/sh";

  (void)pthread_attr_init (&detached_thread_attr);
  (void)pthread_attr_setdetachstate (&detached_thread_attr,
                                     PTHREAD_CREATE_DETACHED);
}

/* Extract the appointment file name from the complete file path. */
static void
extract_aptsfile (void)
{
  char *file;

  file = strrchr (path_apts, '/');
  if (!file)
    notify.apts_file = path_apts;
  else
    {
      notify.apts_file = file;
      notify.apts_file++;
    }
}

/* 
 * Create the notification bar, by initializing all the variables and 
 * creating the notification window (l is the number of lines, c the
 * number of columns, y and x are its coordinates). 
 */
void
notify_init_bar (void)
{
  pthread_mutex_init (&notify.mutex, NULL);
  pthread_mutex_init (&notify_app.mutex, NULL);
  notify_app.got_app = 0;
  notify_app.txt = 0;
  notify.win = newwin (win[NOT].h, win[NOT].w, win[NOT].y, win[NOT].x);
  extract_aptsfile ();
}

/*
 * Free memory associated with the notify_app structure.
 */
void
notify_free_app (void)
{
  notify_app.time = 0;
  notify_app.got_app = 0;
  notify_app.state = APOINT_NULL;
  if (notify_app.txt)
    mem_free (notify_app.txt);
  notify_app.txt = 0;
}

/* Stop the notify-bar main thread. */
void
notify_stop_main_thread (void)
{
  if (notify_t_main)
    pthread_cancel (notify_t_main);
}

/* 
 * The calcurse window geometry has changed so we need to reset the 
 * notification window. 
 */
void
notify_reinit_bar (void)
{
  delwin (notify.win);
  notify.win = newwin (win[NOT].h, win[NOT].w, win[NOT].y, win[NOT].x);
}

/* Launch user defined command as a notification. */
unsigned
notify_launch_cmd (void)
{
  int pid;

  if (notify_app.state & APOINT_NOTIFIED)
    return 1;
  
  notify_app.state |= APOINT_NOTIFIED;
    
  pid = fork ();

  if (pid < 0)
    {
      ERROR_MSG (_("error while launching command: could not fork"));
      return 0;
    }
  else if (pid == 0)
    {
      /* Child: launch user defined command */
      if (execlp (nbar.shell, nbar.shell, "-c", nbar.cmd, (char *)0) < 0)
        {
          ERROR_MSG (_("error while launching command"));
          _exit (1);
        }
      _exit (0);
    }

  return 1;
}

/* 
 * Update the notification bar. This is useful when changing color theme
 * for example.
 */
void
notify_update_bar (void)
{
  const int space = 3;
  int file_pos, date_pos, app_pos, txt_max_len, too_long = 0;
  int time_left, blinking;
  char buf[BUFSIZ];

  date_pos = space;
  pthread_mutex_lock (&notify.mutex);

  file_pos = strlen (notify.date) + strlen (notify.time) + 7 + 2 * space;
  app_pos = file_pos + strlen (notify.apts_file) + 2 + space;
  txt_max_len = col - (app_pos + 12 + space);

  custom_apply_attr (notify.win, ATTR_HIGHEST);
  wattron (notify.win, A_UNDERLINE | A_REVERSE);
  mvwhline (notify.win, 0, 0, ACS_HLINE, col);
  mvwprintw (notify.win, 0, date_pos, "[ %s | %s ]",
	     notify.date, notify.time);
  mvwprintw (notify.win, 0, file_pos, "(%s)", notify.apts_file);

  pthread_mutex_lock (&notify_app.mutex);
  if (notify_app.got_app)
    {
      if (strlen (notify_app.txt) > txt_max_len)
	{
	  too_long = 1;
	  (void)strncpy (buf, notify_app.txt, txt_max_len - 3);
	  buf[txt_max_len - 3] = '\0';
	}
      time_left = notify_time_left ();
      if (time_left > 0)
	{
          int hours_left, minutes_left;
          
	  hours_left = (time_left / HOURINSEC);
	  minutes_left = (time_left - hours_left * HOURINSEC) / MININSEC;
	  pthread_mutex_lock (&nbar.mutex);

	  if (time_left < nbar.cntdwn && (notify_app.state & APOINT_NOTIFY))
	    blinking = 1;
	  else
	    blinking = 0;

	  if (blinking)
	    wattron (notify.win, A_BLINK);
	  if (too_long)
	    mvwprintw (notify.win, 0, app_pos, "> %02d:%02d :: %s.. <",
		       hours_left, minutes_left, buf);
	  else
	    mvwprintw (notify.win, 0, app_pos, "> %02d:%02d :: %s <",
		       hours_left, minutes_left, notify_app.txt);
	  if (blinking)
	    wattroff (notify.win, A_BLINK);

	  if (blinking)
            (void)notify_launch_cmd ();
	  pthread_mutex_unlock (&nbar.mutex);
	}
      else
	{
	  notify_app.got_app = 0;
	  pthread_mutex_unlock (&notify_app.mutex);
	  pthread_mutex_unlock (&notify.mutex);
	  notify_check_next_app ();
	  return;
	}
    }
  pthread_mutex_unlock (&notify_app.mutex);

  wattroff (notify.win, A_UNDERLINE | A_REVERSE);
  custom_remove_attr (notify.win, ATTR_HIGHEST);
  wrefresh (notify.win);

  pthread_mutex_unlock (&notify.mutex);
}

/* Update the notication bar content */
/* ARGSUSED0 */
static void *
notify_main_thread (void *arg)
{
  const unsigned thread_sleep = 1;
  const unsigned check_app = MININSEC;
  int elapse = 0, got_app = 0;
  struct tm *ntime;
  time_t ntimer;

  elapse = 0;
  got_app = 0;

  for (;;)
    {
      ntimer = time (NULL);
      ntime = localtime (&ntimer);
      pthread_mutex_lock (&notify.mutex);
      pthread_mutex_lock (&nbar.mutex);
      strftime (notify.time, NOTIFY_FIELD_LENGTH, nbar.timefmt, ntime);
      strftime (notify.date, NOTIFY_FIELD_LENGTH, nbar.datefmt, ntime);
      pthread_mutex_unlock (&nbar.mutex);
      pthread_mutex_unlock (&notify.mutex);
      notify_update_bar ();
      psleep (thread_sleep);
      elapse += thread_sleep;
      if (elapse >= check_app)
	{
	  elapse = 0;
	  pthread_mutex_lock (&notify_app.mutex);
	  got_app = notify_app.got_app;
	  pthread_mutex_unlock (&notify_app.mutex);
	  if (!got_app)
	    notify_check_next_app ();
	}
    }
  pthread_exit ((void *) 0);
}

/* Fill the given structure with information about next appointment. */
unsigned
notify_get_next (struct notify_app_s *a)
{
  time_t current_time;
  
  if (!a)
    return 0;
  
  current_time = time (NULL);

  a->time = current_time + DAYINSEC;
  a->got_app = 0;
  a->state = 0;
  a->txt = (char *)0;
  (void)recur_apoint_check_next (a, current_time, get_today ());
  (void)apoint_check_next (a, current_time);

  return 1;
}

/*
 * This is used for the daemon to check if we have an upcoming appointment or
 * not.
 */
unsigned
notify_get_next_bkgd (void)
{
  struct notify_app_s a;

  a.txt = (char *)0;
  if (!notify_get_next (&a))
    return 0;

  if (!a.got_app)
    {
      /* No next appointment, reset the previous notified one. */
      notify_app.got_app = 0;
      return 1;
    }
  else
    {
      if (!notify_same_item (a.time))
        notify_update_app (a.time, a.state, a.txt);
    }

  if (a.txt)
    mem_free (a.txt);
  
  return 1;
}

/* Return the description of next appointment to be notified. */
char *
notify_app_txt (void)
{
  if (notify_app.got_app)
    return notify_app.txt;
  else
    return (char *)0;
}

/* Look for the next appointment within the next 24 hours. */
/* ARGSUSED0 */
static void *
notify_thread_app (void *arg)
{
  struct notify_app_s tmp_app;

  if (!notify_get_next (&tmp_app))
    pthread_exit ((void *)0);
  
  if (!tmp_app.got_app)
    {
      pthread_mutex_lock (&notify_app.mutex);
      notify_free_app ();
      pthread_mutex_unlock (&notify_app.mutex);      
    }
  else
    {
      if (!notify_same_item (tmp_app.time))
        {
          pthread_mutex_lock (&notify_app.mutex);          
          notify_update_app (tmp_app.time, tmp_app.state, tmp_app.txt);
          pthread_mutex_unlock (&notify_app.mutex);          
        }
    }
  
  if (tmp_app.txt)
    mem_free (tmp_app.txt);
  notify_update_bar ();

  pthread_exit ((void *) 0);
}

/* Launch the thread notify_thread_app to look for next appointment. */
void
notify_check_next_app (void)
{
  pthread_t notify_t_app;

  pthread_create (&notify_t_app, &detached_thread_attr, notify_thread_app,
                  (void *)0);
  return;
}

/* Check if the newly created appointment is to be notified. */
void
notify_check_added (char *mesg, long start, char state)
{
  time_t current_time;
  int update_notify = 0;
  long gap;

  current_time = time (NULL);
  pthread_mutex_lock (&notify_app.mutex);
  if (!notify_app.got_app)
    {
      gap = start - current_time;
      if (gap >= 0 && gap <= DAYINSEC)
	update_notify = 1;
    }
  else if (start < notify_app.time && start >= current_time)
    {
      update_notify = 1;
    }
  else if (start == notify_app.time && state != notify_app.state)
    update_notify = 1;

  if (update_notify)
    {
      notify_update_app (start, state, mesg);
    }
  pthread_mutex_unlock (&notify_app.mutex);
  notify_update_bar ();
}

/* Check if the newly repeated appointment is to be notified. */
void
notify_check_repeated (recur_apoint_llist_node_t *i)
{
  long real_app_time;
  int update_notify = 0;
  time_t current_time;

  current_time = time (NULL);
  pthread_mutex_lock (&notify_app.mutex);
  if ((real_app_time = recur_item_inday (i->start, i->exc, i->rpt->type,
					 i->rpt->freq, i->rpt->until,
					 get_today ()) > current_time))
    {
      if (!notify_app.got_app)
	{
	  if (real_app_time - current_time <= DAYINSEC)
	    update_notify = 1;
	}
      else if (real_app_time < notify_app.time &&
	       real_app_time >= current_time)
	{
	  update_notify = 1;
	}
      else if (real_app_time == notify_app.time &&
	       i->state != notify_app.state)
	update_notify = 1;
    }
  if (update_notify)
    {
      notify_update_app (real_app_time, i->state, i->mesg);
    }
  pthread_mutex_unlock (&notify_app.mutex);
  notify_update_bar ();
}

int
notify_same_item (long time)
{
  int same = 0;

  pthread_mutex_lock (&(notify_app.mutex));
  if (notify_app.got_app && notify_app.time == time)
    same = 1;
  pthread_mutex_unlock (&(notify_app.mutex));

  return same;
}

int
notify_same_recur_item (recur_apoint_llist_node_t *i)
{
  int same = 0;
  long item_start = 0;

  item_start = recur_item_inday (i->start, i->exc, i->rpt->type,
				 i->rpt->freq, i->rpt->until, get_today ());
  pthread_mutex_lock (&notify_app.mutex);
  if (notify_app.got_app && item_start == notify_app.time)
    same = 1;
  pthread_mutex_unlock (&(notify_app.mutex));

  return same;
}

/* Launch the notify-bar main thread. */
void
notify_start_main_thread (void)
{
  pthread_create (&notify_t_main, NULL, notify_main_thread, NULL);
  notify_check_next_app ();
}

/*
 * Print an option in the configuration menu.
 * Specific treatment is needed depending on if the option is of type boolean
 * (either YES or NO), or an option holding a string value.
 */
static void
print_option (WINDOW *win, unsigned x, unsigned y, char *name,
              char *valstr, unsigned valbool, char *desc, unsigned num)
{
  const int XOFF = 4;
  const int MAXCOL = col - 3;
  int x_opt, len;
  
  x_opt = x + XOFF + strlen (name);
  mvwprintw (win, y, x, "[%u] %s", num, name);
  erase_window_part (win, x_opt, y, MAXCOL, y);
  if ((len = strlen (valstr)) != 0)
    {
      unsigned maxlen;

      maxlen = MAXCOL - x_opt - 2;
      custom_apply_attr (win, ATTR_HIGHEST);
      if (len < maxlen)
	mvwprintw (win, y, x_opt, "%s", valstr);
      else
	{
          char buf[BUFSIZ];
          
	  (void)strncpy (buf, valstr, maxlen - 1);
	  buf[maxlen - 1] = '\0';
	  mvwprintw (win, y, x_opt, "%s...", buf);
	}
      custom_remove_attr (win, ATTR_HIGHEST);
    }
  else
    print_bool_option_incolor (win, valbool, y, x_opt);
  mvwprintw (win, y + 1, x, desc);
}

/* Print options related to the notify-bar. */
static unsigned
print_config_options (WINDOW *optwin)
{
  const int XORIG = 3;
  const int YORIG = 0;
  const int YOFF  = 3;
  
  enum
  { SHOW, DATE, CLOCK, WARN, CMD, DMON, DMON_LOG, NB_OPT };

  struct opt_s
  {
    char     *name;
    char     *desc;
    char      valstr[BUFSIZ];
    unsigned  valnum;
  } opt[NB_OPT];

  int i;

  opt[SHOW].name = _("notify-bar_show = ");
  opt[SHOW].desc = _("(if set to YES, notify-bar will be displayed)");
  
  opt[DATE].name = _("notify-bar_date = ");
  opt[DATE].desc = _("(Format of the date to be displayed inside notify-bar)");
  
  opt[CLOCK].name = _("notify-bar_clock = ");
  opt[CLOCK].desc = _("(Format of the time to be displayed inside notify-bar)");
  
  opt[WARN].name = _("notify-bar_warning = ");
  opt[WARN].desc = _("(Warn user if an appointment is within next "
                     "'notify-bar_warning' seconds)");
  
  opt[CMD].name = _("notify-bar_command = ");
  opt[CMD].desc = _("(Command used to notify user of an upcoming appointment)");
  
  opt[DMON].name = _("notify-daemon_enable = ");
  opt[DMON].desc = _("(Run in background to get notifications after exiting)");
  
  opt[DMON_LOG].name = _("notify-daemon_log = ");
  opt[DMON_LOG].desc = _("(Log activity when running in background)");

  pthread_mutex_lock (&nbar.mutex);

  /* String value options */
  (void)strncpy (opt[DATE].valstr, nbar.datefmt, BUFSIZ);
  (void)strncpy (opt[CLOCK].valstr, nbar.timefmt, BUFSIZ);
  (void)snprintf (opt[WARN].valstr, BUFSIZ, "%d", nbar.cntdwn);
  (void)strncpy (opt[CMD].valstr, nbar.cmd, BUFSIZ);

  /* Boolean options */
  opt[SHOW].valnum = nbar.show;
  pthread_mutex_unlock (&nbar.mutex);
  
  opt[DMON].valnum = dmon.enable;
  opt[DMON_LOG].valnum = dmon.log;

  opt[SHOW].valstr[0] = opt[DMON].valstr[0] = opt[DMON_LOG].valstr[0] = '\0';
  
  for (i = 0; i < NB_OPT; i++)
    {
      int y;
      
      y = YORIG + i * YOFF;
      print_option (optwin, XORIG, y, opt[i].name, opt[i].valstr,
                    opt[i].valnum, opt[i].desc, i + 1);
    }

  return YORIG + NB_OPT * YOFF;
}

static void
reinit_conf_win (scrollwin_t *win)
{
  unsigned first_line;

  first_line = win->first_visible_line;
  wins_scrollwin_delete (win);
  custom_set_swsiz (win);  
  wins_scrollwin_init (win);
  wins_show (win->win.p, win->label);
  win->first_visible_line = first_line;
}

/* Notify-bar configuration. */
void
notify_config_bar (void)
{
  scrollwin_t cwin;
  char *buf;
  char *number_str =
    _("Enter an option number to change its value");
  char *keys =
    _("(Press '^P' or '^N' to move up or down, 'Q' to quit)");
  char *date_str =
    _("Enter the date format (see 'man 3 strftime' for possible formats) ");
  char *time_str =
    _("Enter the time format (see 'man 3 strftime' for possible formats) ");
  char *count_str =
    _("Enter the number of seconds (0 not to be warned before an appointment)");
  char *cmd_str = _("Enter the notification command ");
  int ch;

  clear ();  
  custom_set_swsiz (&cwin);
  (void)snprintf (cwin.label, BUFSIZ, _("notification options"));
  wins_scrollwin_init (&cwin);
  wins_show (cwin.win.p, cwin.label);
  status_mesg (number_str, keys);
  cwin.total_lines = print_config_options (cwin.pad.p);
  wins_scrollwin_display (&cwin);

  buf = mem_malloc (BUFSIZ);  
  while ((ch = wgetch (win[STA].p)) != 'q')  
    {
      buf[0] = '\0';

      switch (ch)
        {
        case KEY_RESIZE:
          wins_get_config ();
          wins_reset ();
          reinit_conf_win (&cwin);
	  delwin (win[STA].p);
	  win[STA].p = newwin (win[STA].h, win[STA].w, win[STA].y,
			       win[STA].x);
	  keypad (win[STA].p, TRUE);
	  if (notify_bar ())
	    {
	      notify_reinit_bar ();
	      notify_update_bar ();
	    }
	  break;
        case CTRL ('N'):
          wins_scrollwin_down (&cwin, 1);
	  break;
        case CTRL ('P'):
          wins_scrollwin_up (&cwin, 1);
	  break;
	case '1':
	  pthread_mutex_lock (&nbar.mutex);
	  nbar.show = !nbar.show;
	  pthread_mutex_unlock (&nbar.mutex);
	  if (notify_bar ())
	    notify_start_main_thread ();
	  else
	    notify_stop_main_thread ();
          wins_scrollwin_delete (&cwin);
          reinit_conf_win (&cwin);          
	  break;
	case '2':
	  status_mesg (date_str, "");
	  pthread_mutex_lock (&nbar.mutex);
	  (void)strncpy (buf, nbar.datefmt, strlen (nbar.datefmt) + 1);
	  pthread_mutex_unlock (&nbar.mutex);
	  if (updatestring (win[STA].p, &buf, 0, 1) == 0)
	    {
	      pthread_mutex_lock (&nbar.mutex);
	      (void)strncpy (nbar.datefmt, buf, strlen (buf) + 1);
	      pthread_mutex_unlock (&nbar.mutex);
	    }
	  break;
	case '3':
	  status_mesg (time_str, "");
	  pthread_mutex_lock (&nbar.mutex);
	  (void)strncpy (buf, nbar.timefmt, strlen (nbar.timefmt) + 1);
	  pthread_mutex_unlock (&nbar.mutex);
	  if (updatestring (win[STA].p, &buf, 0, 1) == 0)
	    {
	      pthread_mutex_lock (&nbar.mutex);
	      (void)strncpy (nbar.timefmt, buf, strlen (buf) + 1);
	      pthread_mutex_unlock (&nbar.mutex);
	    }
	  break;
	case '4':
	  status_mesg (count_str, "");
	  pthread_mutex_lock (&nbar.mutex);
	  printf (buf, "%d", nbar.cntdwn);
	  pthread_mutex_unlock (&nbar.mutex);
	  if (updatestring (win[STA].p, &buf, 0, 1) == 0 &&
	      is_all_digit (buf) && atoi (buf) >= 0 && atoi (buf) <= DAYINSEC)
	    {
	      pthread_mutex_lock (&nbar.mutex);
	      nbar.cntdwn = atoi (buf);
	      pthread_mutex_unlock (&nbar.mutex);
	    }
	  break;
	case '5':
	  status_mesg (cmd_str, "");
	  pthread_mutex_lock (&nbar.mutex);
	  (void)strncpy (buf, nbar.cmd, strlen (nbar.cmd) + 1);
	  pthread_mutex_unlock (&nbar.mutex);
	  if (updatestring (win[STA].p, &buf, 0, 1) == 0)
	    {
	      pthread_mutex_lock (&nbar.mutex);
	      (void)strncpy (nbar.cmd, buf, strlen (buf) + 1);
	      pthread_mutex_unlock (&nbar.mutex);
	    }
	  break;
	case '6':
	  dmon.enable = !dmon.enable;
	  break;
	case '7':
	  dmon.log = !dmon.log;
	  break;
        }
      status_mesg (number_str, keys);
      cwin.total_lines = print_config_options (cwin.pad.p);
      wins_scrollwin_display (&cwin);
    }
  mem_free (buf);
  wins_scrollwin_delete (&cwin);
}