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69 lines
2.3 KiB
69 lines
2.3 KiB
# MIT License |
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# |
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# Copyright (c) 2021 Eugenio Parodi <ceccopierangiolieugenio AT googlemail DOT com> |
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# |
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# Permission is hereby granted, free of charge, to any person obtaining a copy |
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# of this software and associated documentation files (the "Software"), to deal |
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# in the Software without restriction, including without limitation the rights |
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# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
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# copies of the Software, and to permit persons to whom the Software is |
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# furnished to do so, subject to the following conditions: |
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# |
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# The above copyright notice and this permission notice shall be included in all |
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# copies or substantial portions of the Software. |
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# |
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
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# SOFTWARE. |
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__all__ = ['TTkTimer'] |
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import threading |
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from TermTk.TTkCore.signal import pyTTkSlot, pyTTkSignal |
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from TermTk.TTkCore.helper import TTkHelper |
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class TTkTimer(threading.Thread): |
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__slots__ = ( |
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'timeout', '_delay', |
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'_timer', '_quit', '_start') |
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def __init__(self): |
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self.timeout = pyTTkSignal() |
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self._delay = 0 |
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self._quit = threading.Event() |
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self._start = threading.Event() |
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self._timer = threading.Event() |
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super().__init__() |
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TTkHelper.quitEvent.connect(self.quit) |
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def quit(self): |
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TTkHelper.quitEvent.disconnect(self.quit) |
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self.timeout.clear() |
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self._quit.set() |
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self._timer.set() |
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self._start.set() |
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def run(self): |
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while not self._quit.is_set(): |
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self._start.wait() |
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self._start.clear() |
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if not self._timer.wait(self._delay): |
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self.timeout.emit() |
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@pyTTkSlot(float) |
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def start(self, sec=0.0): |
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self._delay = sec |
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self._timer.set() |
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self._timer.clear() |
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self._start.set() |
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if not self.native_id: |
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super().start() |
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@pyTTkSlot() |
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def stop(self): |
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self._timer.set() |
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