| 22 | |
| 23 | |
| 24 | class LfSlider(QSlider): |
| 25 | valueChanged = pyqtSignal(int) |
| 26 | |
| 27 | def __init__(self, *args, **kwargs): |
| 28 | delay = kwargs.pop('delay', 500) |
| 29 | super(LfSlider, self).__init__(*args, **kwargs) |
| 30 | self.lastValue = self.value() |
| 31 | self.uTimer = QTimer(self) |
| 32 | self.uTimer.timeout.connect(self.onValueChanged) |
| 33 | self.uTimer.start(delay) |
| 34 | |
| 35 | def onValueChanged(self): |
| 36 | if self.lastValue != self.value(): |
| 37 | self.lastValue = self.value() |
| 38 | self.valueChanged.emit(self.lastValue) |
| 39 | |
| 40 | |
| 41 | class Window(QWidget): |