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# Copyright (c) 2007, Riverbank Computing Limited
# Copyright (c) 2018, Enthought Inc
# All rights reserved.
#
# This software is provided without warranty under the terms of the BSD
# license. However, when used with the GPL version of PyQt the additional
# terms described in the PyQt GPL exception also apply
from traits.api import Instance
from pyface.qt.QtCore import QTimer
from pyface.timer.i_timer import BaseTimer
class PyfaceTimer(BaseTimer):
""" Abstract base class for Qt toolkit timers. """
#: The QTimer for the PyfaceTimer.
_timer = Instance(QTimer, (), allow_none=False)
def __init__(self, **traits):
traits.setdefault('_timer', QTimer())
super(PyfaceTimer, self).__init__(**traits)
self._timer.timeout.connect(self.perform)
def _start(self):
self._timer.start(int(self.interval * 1000))
def _stop(self):
self._timer.stop()
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