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# (C) Copyright 2005-2023 Enthought, Inc., Austin, TX
# All rights reserved.
#
# This software is provided without warranty under the terms of the BSD
# license included in LICENSE.txt and may be redistributed only under
# the conditions described in the aforementioned license. The license
# is also available online at http://www.enthought.com/licenses/BSD.txt
#
# Thanks for using Enthought open source!
"""A `wx.Timer` subclass that invokes a specified callback periodically.
"""
import wx
from traits.api import Instance
from pyface.timer.i_timer import BaseTimer
class CallbackTimer(wx.Timer):
def __init__(self, timer):
super().__init__()
self.timer = timer
def Notify(self):
self.timer.perform()
wx.GetApp().Yield(True)
class PyfaceTimer(BaseTimer):
""" Abstract base class for Wx toolkit timers. """
#: The wx.Timer for the PyfaceTimer.
_timer = Instance(wx.Timer)
def _start(self):
self._timer.Start(int(self.interval * 1000))
def _stop(self):
self._timer.Stop()
def __timer_default(self):
return CallbackTimer(self)
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