File: rendezvous.c

package info (click to toggle)
gworldclock 1.4.4-1
  • links: PTS
  • area: main
  • in suites: sarge
  • size: 980 kB
  • ctags: 158
  • sloc: sh: 3,855; ansic: 2,228; makefile: 68; sed: 16
file content (608 lines) | stat: -rw-r--r-- 18,943 bytes parent folder | download | duplicates (3)
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
/* functions related to time zone synchronisation
   (i.e. "Rendezvous")
  
   For simplicity, and because the phrase "synchronisation" made sense to me,
   I'll leave internal references to "sync" without changing them to 
   "rendezvous".
*/

#include <stdlib.h>
#include <string.h>
#include <libintl.h>
#define _(A) gettext(A)

#include "main.h"
#include "rendezvous.h"
#include "timer.h"

extern GtkBox *syncBox;
/* id of second timer.
   Set to -1 during synchronisation.
*/
extern gint timer;

/* Normal UI format is to press the "Done" button when finished with 
   Rendezvous.  Certain users (see Debian bug #213368) seem, however,
   not to understand that "Done" means, ahem, "done".  To accommodate
   such users I will allow the "Done" label to be set by the user:
   in ~/.gworldclock, e.g.:
   <gworldclock>
       <rendezvous>
           <doneLabel>Return</doneLabel>
       </rendezvous>
   </gworldclock>
*/

/* should be left as NULL unless explicitly set by user in config file */
GString *rendezvousDoneLabel = NULL;

/* keeps track of whether or not Rendezvous is currently running */
static gboolean rendezvousIsActive = FALSE;
static gulong leftClickHandlerForRendezvous=0;

/* returns name of month (as defined by locale, converted to UTF-8)
   corresponding to given index (between 1 and 12) */
gchar* getNameOfMonth( gint index )
{
  gchar *number, *monthName, localeMonthName[50];
  struct tm tmonth;
  time_t t;

  if ( (index < 1) || (index > 12) ) {
    return NULL;
  }

  asprintf(&number, "%i", index );
  strptime(number, "%m", &tmonth); 
  strftime(localeMonthName, sizeof(localeMonthName), "%B", &tmonth);
  monthName = g_locale_to_utf8 ( localeMonthName,
				   -1, NULL, NULL, NULL );

  free(number);

  return monthName;
}

/* returns the index (between 1 and 12 ) of the given month,
   identified by name (for current locale, but encoded in UTF-8) */
gint getMonthIndex( gchar *monthName )
{
  struct tm tmonth;
  time_t t;
  gchar * localeMonthName;

  localeMonthName = g_locale_from_utf8 ( monthName,
  			   -1, NULL, NULL, NULL );
  strptime(localeMonthName, "%B", &tmonth); 
  g_free(localeMonthName);

  /* don't forget to add 1, since struct tm counts months 0 to 11 */
  return ( tmonth.tm_mon + 1 );
}



/* set the display values for date and time in the SyncBox to the current time */
void setDefaultSyncValues(gchar *description, gchar *timezone)
{
  GtkWidget *label;
  GtkWidget *hour;
  GtkWidget *minute;
  GtkWidget *day;
  GtkWidget *month;
  GtkWidget *year;

  gint *dayHandler, *yearHandler;

  struct tm *timeSet, timeSetStruct;
  time_t t;
  gchar *TZdefault;
  gchar *s, *oldtimezone;
  gint yearChangeSignal;

  timeSet = &timeSetStruct;

  label = g_object_get_data( G_OBJECT(syncBox), "label" );
  gtk_label_set_text( (GtkLabel *) label, description);

  /* initialise time from sync time if syncing has started */
  if ( timer == -1) {
    oldtimezone = g_object_get_data( G_OBJECT(syncBox), "timezone"  );
    t = extractSyncTime();
  }

  g_object_set_data( G_OBJECT(syncBox), "timezone", (gpointer) timezone );

  day = g_object_get_data( G_OBJECT(syncBox), "day" );
  month = g_object_get_data( G_OBJECT(syncBox), "month" );
  year = g_object_get_data( G_OBJECT(syncBox), "year" );
  hour = g_object_get_data( G_OBJECT(syncBox), "hour" );
  minute = g_object_get_data( G_OBJECT(syncBox), "minute" );

  TZdefault = getenv("TZ");

  /* assign time zone in which time is to be given, if not "Local". */
  if(strcasecmp(timezone,"Local"))    
    setenv("TZ",timezone,1);


  /* initialise time from current time if syncing hasn't started yet */
  if ( timer != -1 ) {
    time(&t);
  }

  /* must read in time zone here, if we don't want to use localtime(&t) */
  tzset();

  /* initialise timeSet, setting time zone info */
  timeSet = localtime_r( &t, timeSet ); 

  /* ensure user's default time zone is not lost */
  if (TZdefault)
    setenv("TZ",TZdefault,1);
  else
    unsetenv("TZ");

  /* place the various bits of data into their fields */

  dayHandler =(gint *) g_object_get_data( G_OBJECT(day), "dayHandler" );
  g_signal_handler_block( (GObject *)gtk_spin_button_get_adjustment((GtkSpinButton *) day ), 
			    *dayHandler );
  asprintf( &s, "%i", timeSet->tm_mday );
  gtk_spin_button_set_value( (GtkSpinButton *)day, atoi(s) );
  free( s );
  g_signal_handler_unblock(  
     (GObject *)gtk_spin_button_get_adjustment((GtkSpinButton *) day ), 
     *dayHandler );

  gtk_combo_box_set_active( GTK_COMBO_BOX(month), timeSet->tm_mon);

  /* keep the year spin button from handling value_changed,
     or the clock will try to update before it's ready! */
  yearHandler = (gint *)g_object_get_data( G_OBJECT(year), "yearHandler" );
  g_signal_handler_block( (GObject *)gtk_spin_button_get_adjustment((GtkSpinButton *) year ), 
			    *yearHandler );
  asprintf( &s, "%i", (1900 + timeSet->tm_year) );
  gtk_spin_button_set_value( (GtkSpinButton *)year, atoi(s) );
  free( s );
  g_signal_handler_unblock(  (GObject *)(GtkObject *)gtk_spin_button_get_adjustment((GtkSpinButton *) year ), 
			       *yearHandler );

  asprintf( &s, "%.2i", timeSet->tm_hour);
  gtk_entry_set_text( GTK_ENTRY(hour), strdup(s) );
  free( s );

  asprintf( &s, "%.2i", timeSet->tm_min);
  gtk_entry_set_text( GTK_ENTRY(minute), strdup(s) );
  free( s );


}

/* Allows menu selection to turn Rendezvous on and off. */
void ToggleRendezvous(GtkToggleAction *action, gpointer clocklist)
{
    if ( gtk_toggle_action_get_active( action ) )
    {
	Rendezvous( NULL, clocklist );
    }
    else
    {
	unsynchronise( NULL, clocklist );
    }		
}

/* "Synchronise" is labelled "Rendezvous" in the user interface, to help
   users understand the meaning of the function. 
   Correspondingly this function is likewise relabelled */
void Rendezvous(GtkWidget *w, gpointer clocklist)
{
   extern gint changed;
   
   GString *title, *msg;
   gchar *button[]={"OK"};
   GdkWindow *window;
   gint width, height;
   gint selectedRow = 0; //temp  
   gchar *description, *timezone;
   GtkTreeModel *clocklistModel;
   GtkTreeIter iter;
   GtkTreeSelection *select;
   GtkToggleAction *toggleAction;
   
   if ( gtk_tree_selection_get_selected( 
	   gtk_tree_view_get_selection( clocklist ),
	   &clocklistModel,
	   &iter ) )
   {
       gtk_tree_model_get( clocklistModel, &iter,
			   TZ_NAME, &timezone,
			   TZ_DESCRIPTION, &description,
			   -1);
      
       /* set sync values to current time */
       setDefaultSyncValues(description, timezone);

      if ( timer != -1 ) {

	 /* freeze timer */
	 stop_timer();

	 /* adjust size of window to fit syncbox */
	 window = gtk_widget_get_parent_window( (GtkWidget *) syncBox );
	 gdk_window_get_size(window, &width, &height);
	 gdk_window_resize( window, width, height + SYNCBOX_HEIGHT );
      }

      /* enable single clicking on a zone in the list to rendezvous
	 against that zone */
      if ( ! rendezvousIsActive )
      {
	  if ( leftClickHandlerForRendezvous )
	  {
	      g_signal_handler_unblock( 
		  G_OBJECT(gtk_tree_view_get_selection( clocklist )), 
		  leftClickHandlerForRendezvous );
	  }
	  else
	  {
	      leftClickHandlerForRendezvous =
		  g_signal_connect(G_OBJECT(gtk_tree_view_get_selection( clocklist )),
				   "changed",
				   G_CALLBACK(Rendezvous),
				   (gpointer)clocklist );
	  }
      }

      synchroniseTimes( NULL, (gpointer) clocklist);
     
      /* and change display to correspond to given time */
      gtk_widget_show( (GtkWidget *) syncBox );

      rendezvousIsActive = TRUE;

      /* Check the Rendezvous main menu item is toggled on, if we got
	 here via the popup menu */
      toggleAction = GTK_TOGGLE_ACTION( gtk_action_group_get_action(
	  GTK_ACTION_GROUP( g_object_get_data(G_OBJECT(clocklist), ACTIONS) ),
	  "ToggleRendezvous" ) );
      gtk_toggle_action_set_active( toggleAction, TRUE );


   }
   else 
   {
      title = g_string_new("Delete Zone");
      msg = g_string_new("No zone chosen for synchronising.");
      showMessageDialog( msg->str, GTK_MESSAGE_WARNING );
      g_string_free(msg,TRUE);
      g_string_free(title,TRUE);
   }
}


/* reads the values set in the syncBox fields and turns them into
   a time_t time.
   Note: this time_t crashes (mktime returns -1) at 6:45am, 14 Dec 1901
   At 6:46am, t=-2147483640 (2^31=2147483648) - 32bit int limitation :(  
   useless! */
time_t extractSyncTime()
{
  int newDay, newMonth, newYear, newHour, newMinute;
  
  GtkWidget *hour;
  GtkWidget *minute;
  GtkWidget *day;
  GtkWidget *month;
  GtkWidget *year;

  gchar *timezone;

  struct tm *timeSet, timeSetStruct;
  time_t t;
  gchar *TZdefault;
  gchar *s;

  timeSet = &timeSetStruct;

  day = g_object_get_data( G_OBJECT(syncBox), "day" );
  month = g_object_get_data( G_OBJECT(syncBox), "month" );
  year = g_object_get_data( G_OBJECT(syncBox), "year" );
  hour = g_object_get_data( G_OBJECT(syncBox), "hour" );
  minute = g_object_get_data( G_OBJECT(syncBox), "minute" );

  newDay = gtk_spin_button_get_value_as_int( (GtkSpinButton *) day );
  newMonth = gtk_combo_box_get_active(GTK_COMBO_BOX(month));
  newYear = gtk_spin_button_get_value_as_int( (GtkSpinButton *) year ) - 1900;
  newHour = atoi( gtk_entry_get_text( GTK_ENTRY(hour) ) );
  newMinute = atoi( gtk_entry_get_text( GTK_ENTRY(minute) ) );

  TZdefault = getenv("TZ");
    
  /* assign time zone in which time is to be given, if not "Local". */
  timezone = g_object_get_data( G_OBJECT(syncBox), "timezone" );
  if(strcasecmp(timezone,"Local"))    
    setenv("TZ",timezone,1);

  /* initialise timeSet, setting time zone info */
  time(&t);
  tzset();
  timeSet = localtime_r( &t, timeSet ); 

  /* set new day to get proper daylight savings calculations */  
  timeSet->tm_mday = newDay;
  timeSet->tm_mon = newMonth;
  timeSet->tm_year = newYear;
  timeSet->tm_hour = newHour;
  timeSet->tm_min = newMinute;

  /* reset timeSet to time on new day, to make sure daylight savings is set properly */
  t = mktime( timeSet );

  timeSet = localtime_r( &t, timeSet ); 

  /* and set new time (set everything just to be sure) */
  timeSet->tm_mday = newDay;
  timeSet->tm_mon = newMonth;
  timeSet->tm_year = newYear;
  timeSet->tm_hour = newHour;
  timeSet->tm_min = newMinute;

  /* set seconds to zero for neatness */
  timeSet->tm_sec = 0;

  t = mktime( timeSet );

  /* ensure user's default time zone is not lost */
  if (TZdefault)
    setenv("TZ",TZdefault,1);
  else
    unsetenv("TZ");

  return t;
}


/* callback function to be run if any of the sync fields are changed.
   Updates the times in each zone to the new sync time. 
   The changed field is referenced as field, but is not used as such.
*/
void synchroniseTimes( GtkWidget *field, gpointer clocklist)
{
  time_t t;

  /* grab sync time */
  t = extractSyncTime();

  /* and display it */
  gtk_tree_model_foreach( gtk_tree_view_get_model( GTK_TREE_VIEW(clocklist)),
			   (GtkTreeModelForeachFunc) SetToGivenTime,
			  (gpointer) t );
  
}


/* after done synchronising zones, return back to current time */
void unsynchronise( GtkWidget *w, gpointer clocklist)
{
  GdkWindow *window;
  gint width, height;

  if ( leftClickHandlerForRendezvous )
  {
      g_signal_handler_block( 
	  G_OBJECT(gtk_tree_view_get_selection( clocklist )), 
	  leftClickHandlerForRendezvous );
  }

  SetTime( clocklist );
  gtk_widget_hide( (GtkWidget *) syncBox );
  
  /* adjust window to normal size */
  window = gtk_widget_get_parent_window( (GtkWidget *) syncBox );
  gdk_window_get_size(window, &width, &height);
  gdk_window_resize( window, width, height - SYNCBOX_HEIGHT );

  timer = start_timer( clocklist );

  rendezvousIsActive = FALSE;
}

/* after done synchronising zones and the Done button has been
  clicked, return back to current time. Goes through the Rendezvous
  toggle action, to make sure it is switched off as well.  */
void unsynchroniseFromDone( GtkWidget *w, gpointer clocklist)
{
  GtkToggleAction *toggleAction;

  /* Check the Rendezvous main menu item is toggled off, if we got
     here via the "Done" button */
  toggleAction = GTK_TOGGLE_ACTION( gtk_action_group_get_action(
		   GTK_ACTION_GROUP( g_object_get_data(G_OBJECT(clocklist), 
		   ACTIONS) ),
	  "ToggleRendezvous" ) );

  // go to unsynchronise by toggle the Rendezvous button off
  gtk_toggle_action_set_active( toggleAction, FALSE );

}

void initialiseMonthList(GObject *months)
{
   gint i;
   
    /* months in year by name (as set by locale) */
   for ( i=1; i<=12; i++ )  
   {
      gtk_combo_box_append_text(GTK_COMBO_BOX(months),
				getNameOfMonth( i ) );
   }
}

/* construct the box in which the controls for synchronising dates will be 
   found */
GtkBox *constructSyncBox(gpointer clocklist)
{
   GtkWidget *box, *line, *set;
   GtkWidget *button;

   GString *doneLabel;
   
   GtkWidget *label;
   GtkWidget *hour;
   GtkWidget *date, *time, *colon;
   GtkWidget *minute;
   GtkWidget *day;
   GtkWidget *month;
   GtkWidget *year;
   GtkObject *adj;
   gint *dayHandler, *yearHandler;
   GList *monthList = NULL;
   gint charWidth;
   
   PangoFontMetrics *metrics;
   PangoContext *context;
   
   context = gtk_widget_get_pango_context (clocklist);
   metrics = pango_context_get_metrics (context,
					GTK_WIDGET(clocklist)->style->font_desc,
					pango_context_get_language (context));
   charWidth = PANGO_PIXELS( pango_font_metrics_get_approximate_char_width( metrics ) );

   box  = gtk_vbox_new (FALSE, 2);
   
   line = gtk_hbox_new (FALSE, 1);
   
   /* Zone name */
   label = gtk_label_new("");
   gtk_box_pack_start(GTK_BOX(line), label, TRUE, FALSE, 0);  
   gtk_widget_show( label );

   gtk_box_pack_start(GTK_BOX(box), line, FALSE, FALSE, 0);  
   gtk_widget_show( line );
   
   
   line = gtk_hbox_new (FALSE, 1);
   set = gtk_hbox_new (FALSE, 1);
   date = gtk_label_new(_("Date:"));
   gtk_box_pack_start(GTK_BOX(set), date, FALSE, FALSE, 0);  
   gtk_widget_show( date );
   
   /* just use days 1 to 31 for now */
   adj = gtk_adjustment_new (0, 1, 31, 1, 5, 0);
   day = gtk_spin_button_new ((GtkAdjustment *)adj, 0.1, 0);
   gtk_spin_button_set_numeric( (GtkSpinButton *)day, TRUE );
   gtk_spin_button_set_update_policy( (GtkSpinButton *)day, GTK_UPDATE_IF_VALID );
   //  gtk_spin_button_set_shadow_type (GTK_SPIN_BUTTON (day), GTK_SHADOW_ETCHED_IN);
   gtk_entry_set_width_chars( GTK_ENTRY(day), 2 );
   gtk_box_pack_start(GTK_BOX(set), day, FALSE, FALSE, 0);  
   /* must keep record of day change handler to block it
      while the syncBox is being populated with data */
   dayHandler = (gint *) g_malloc( sizeof(gint) );
   *dayHandler = 
       g_signal_connect (G_OBJECT(adj), "value_changed",
			 G_CALLBACK (synchroniseTimes),  (gpointer)clocklist);
   g_object_set_data( G_OBJECT(day), "dayHandler", (gpointer) dayHandler);
   gtk_widget_show( day );
  
  
   month = gtk_combo_box_new_text();
   initialiseMonthList(G_OBJECT(month));
   gtk_box_pack_start(GTK_BOX(set), month, FALSE, FALSE, 2);
   g_signal_connect (G_OBJECT (month), "changed",
		       G_CALLBACK (synchroniseTimes),  (gpointer)clocklist);
   gtk_widget_show( month );
   
   
   /* The time functions only handle years up to 9999, I believe
      so limit the year spin button accordingly */
   adj = gtk_adjustment_new (0, -9999, 9999, 1, 5, 0);
   year = gtk_spin_button_new ((GtkAdjustment *)adj, 0.1, 0);
   gtk_spin_button_set_numeric( (GtkSpinButton *)year, TRUE );
   /*  gtk_spin_button_set_wrap (GTK_SPIN_BUTTON (spinner), TRUE); */
   gtk_spin_button_set_update_policy( (GtkSpinButton *)year, GTK_UPDATE_IF_VALID );
   //  gtk_spin_button_set_shadow_type (GTK_SPIN_BUTTON (year), GTK_SHADOW_ETCHED_IN);
   gtk_entry_set_width_chars( GTK_ENTRY(year), 4 );
   gtk_box_pack_start(GTK_BOX(set), year, FALSE, FALSE, 0);  
   /* must keep record of year change handler to block it
      while the syncBox is being populated with data */
   yearHandler = (gint *) g_malloc( sizeof(gint) );
   *yearHandler = 
      g_signal_connect (G_OBJECT(adj), "value_changed",
			  G_CALLBACK (synchroniseTimes),  (gpointer)clocklist);
   g_object_set_data( G_OBJECT(year), "yearHandler", (gpointer) yearHandler);
   gtk_widget_show( year );
   
   gtk_box_pack_start(GTK_BOX(line), set, TRUE, FALSE, 0);  
   gtk_widget_show( set );
   
   
   gtk_box_pack_start(GTK_BOX(box), line, FALSE, FALSE, 0);  
   gtk_widget_show( line );
   
   
   line = gtk_hbox_new (FALSE, 1);
   set = gtk_hbox_new (FALSE, 1);
   time = gtk_label_new(_("Time:"));
   gtk_box_pack_start(GTK_BOX(set), time, FALSE, FALSE, 0);  
   gtk_widget_show( time );
   
   hour = gtk_entry_new_with_max_length(2);
   gtk_entry_set_width_chars( GTK_ENTRY(hour), 2 );
   gtk_box_pack_start(GTK_BOX(set), hour, FALSE, FALSE, 0);  
   g_signal_connect (G_OBJECT (hour), "activate",
		       G_CALLBACK (synchroniseTimes),  (gpointer)clocklist);
   gtk_widget_show( hour );
   
   colon = gtk_label_new(":");
   gtk_box_pack_start(GTK_BOX(set), colon, FALSE, FALSE, 0);  
   gtk_widget_show( colon );
   
   
   minute = gtk_entry_new_with_max_length(2);
   gtk_entry_set_width_chars( GTK_ENTRY(minute), 2 );
   gtk_box_pack_start(GTK_BOX(set), minute, FALSE, FALSE, 0);  
   g_signal_connect (G_OBJECT (minute), "activate",
		       G_CALLBACK (synchroniseTimes),  (gpointer)clocklist);
   gtk_widget_show( minute );
   
   gtk_box_pack_start(GTK_BOX(line), set, TRUE, FALSE, 0);  
   gtk_widget_show( set );
   
   gtk_box_pack_start(GTK_BOX(box), line, FALSE, FALSE, 0);  
   gtk_widget_show( line );
   
   line = gtk_hbox_new (TRUE, 1);
   /* button to set to new time (for those who dislike the return button */
   button = gtk_button_new_with_label(_("Update View"));
   gtk_box_pack_start(GTK_BOX(line), button, TRUE, FALSE, 0);  
   g_signal_connect (G_OBJECT (button), "clicked",
		       G_CALLBACK (synchroniseTimes),  (gpointer)clocklist);
   gtk_widget_show (button);
   
   /* button to close synchronisation, return to current time */
   if ( rendezvousDoneLabel != NULL )
       doneLabel = g_string_new( rendezvousDoneLabel->str );
   else /* normal behaviour */
       doneLabel = g_string_new( _("Done") );
   button = gtk_button_new_with_label( doneLabel->str );
   g_string_free( doneLabel, TRUE );

   gtk_box_pack_start(GTK_BOX(line), button, TRUE, FALSE, 0);  
   g_signal_connect (G_OBJECT (button), "clicked",
		       G_CALLBACK(unsynchroniseFromDone),  (gpointer)clocklist);
   gtk_widget_show (button);
   
   gtk_box_pack_start(GTK_BOX(box), line, FALSE, FALSE, 0);  
   gtk_widget_show( line );
   
   g_object_set_data( G_OBJECT(box), "label", (gpointer) label);
   g_object_set_data( G_OBJECT(box), "day", (gpointer) day);
   g_object_set_data( G_OBJECT(box), "month", (gpointer) month);
   g_object_set_data( G_OBJECT(box), "year", (gpointer) year);
   g_object_set_data( G_OBJECT(box), "hour", (gpointer) hour);
   g_object_set_data( G_OBJECT(box), "minute", (gpointer) minute);
   
   return (GtkBox *)box;
}