Source code for TermTk.TTkCore.timer_unix

# MIT License
#
# Copyright (c) 2021 Eugenio Parodi <ceccopierangiolieugenio AT googlemail DOT com>
#
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import threading

from TermTk.TTkCore.signal import pyTTkSlot, pyTTkSignal
from TermTk.TTkCore.helper import TTkHelper

[docs] class TTkTimer(threading.Thread): __slots__ = ( 'timeout', '_delay', '_timer', '_quit', '_start') def __init__(self): self.timeout = pyTTkSignal() self._delay = 0 self._quit = threading.Event() self._start = threading.Event() self._timer = threading.Event() super().__init__() TTkHelper.quitEvent.connect(self.quit)
[docs] def quit(self): self._quit.set() self._timer.set() self._start.set()
[docs] def run(self): while not self._quit.is_set(): self._start.wait() self._start.clear() if not self._timer.wait(self._delay): self.timeout.emit()
[docs] @pyTTkSlot(float) def start(self, sec=0.0): self._delay = sec self._timer.set() self._timer.clear() self._start.set() if not self.native_id: super().start()
[docs] @pyTTkSlot() def stop(self): self._timer.set()