timer.py

   1 # Copyright (C) 2006, Thomas Leonard
   2
   3 from rox import g, Dialog, info, confirm
   4 import gobject
   5 import time
   6 import dbus_notify
   7
   8 edit_timer_box = None
   9
  10 class TimerButton(g.Button):
  11         """An 'egg-timer' button for the main window'"""
  12
  13         def __init__(self):
  14                 g.Button.__init__(self, 'T')
  15                 self.end_time = None
  16                 self.timeout = None
  17                 self.unset_flags(g.CAN_FOCUS)
  18
  19                 tips = g.Tooltips()
  20                 tips.set_tip(self, _('Click here to set the count-down timer.'))
  21
  22                 self.connect('clicked', edit_timer)
  23
  24         def set_timer(self, secs):
  25                 self.end_time = time.time() + secs
  26                 def update_timer():
  27                         wait = self.end_time - time.time()
  28                         if wait < 0:
  29                                 self.timeout = None
  30                                 self.alarm()
  31                                 return False
  32                         if wait >= 60:
  33                                 text = '%dm%d' % (int(wait / 60), int(wait % 60))
  34                         else:
  35                                 text = '%ss' % int(wait)
  36                         self.set_label(text)
  37                         return True
  38                 assert self.timeout is None
  39                 if update_timer():
  40                         self.timeout = gobject.timeout_add(1000, update_timer)
  41
  42         def alarm(self):
  43                 self.clear_timer()
  44                 if dbus_notify.is_available():
  45                         dbus_notify.timer()
  46                 else:
  47                         info(_('Memo : Time is up!'))
  48
  49         def clear_timer(self):
  50                 self.set_label('T')
  51                 self.end_time = None
  52                 if self.timeout:
  53                         gobject.source_remove(self.timeout)
  54                         self.timeout = None
  55
  56 def edit_timer(timer):
  57         global edit_timer_box
  58         if edit_timer_box:
  59                 edit_timer_box.destroy()
  60
  61         if timer.end_time:
  62                 if confirm(_('The timer is already set - clear it?'), g.STOCK_CLEAR):
  63                         timer.clear_timer()
  64                 return
  65
  66         edit_timer_box = Dialog(title = _('Memo Timer'), parent = timer.get_toplevel(), flags = g.DIALOG_NO_SEPARATOR)
  67         def destroyed(box):
  68                 global edit_timer_box
  69                 assert edit_timer_box is box
  70                 edit_timer_box = None
  71         edit_timer_box.connect('destroy', destroyed)
  72
  73         def response(d, resp):
  74                 if resp == int(g.RESPONSE_OK):
  75                         timer.set_timer(min.value * 60 + sec.value)
  76                 d.destroy()
  77         edit_timer_box.connect('response', response)
  78
  79         vbox = g.VBox(False, 0)
  80         vbox.set_border_width(8)
  81         edit_timer_box.vbox.pack_start(vbox, True, True, 0)
  82         vbox.pack_start(g.Label(_('Set the count-down timer and click OK.')), True, True, 0)
  83
  84         hbox = g.HBox(False, 0)
  85         vbox.pack_start(hbox, False, True, 8)
  86
  87         min = g.Adjustment(0, 0, 999, 1, 1)
  88         spin = g.SpinButton(min)
  89         spin.set_digits(0)
  90         spin.set_activates_default(True)
  91         hbox.pack_start(spin, True, True, 0)
  92         hbox.pack_start(g.Label(_('min ')), False, True, 2)
  93
  94         sec = g.Adjustment(0, 0, 59, 1, 1)
  95         spin = g.SpinButton(sec)
  96         spin.set_digits(0)
  97         spin.set_activates_default(True)
  98         hbox.pack_start(spin, True, True, 0)
  99         hbox.pack_start(g.Label(_('sec')), False, True, 2)
 100
 101         edit_timer_box.add_button(g.STOCK_CANCEL, g.RESPONSE_CANCEL)
 102         edit_timer_box.add_button(g.STOCK_OK, g.RESPONSE_OK)
 103         edit_timer_box.set_default_response(g.RESPONSE_OK)
 104
 105         edit_timer_box.show_all()