74 lines
2.3 KiB
Python
74 lines
2.3 KiB
Python
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#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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"""
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Created on 2019年5月8日
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@author: Irony
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@site: https://pyqt5.com https://github.com/892768447
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@email: 892768447@qq.com
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@file: ShakeWindow
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@description: 抖动动画
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"""
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from PyQt5.QtCore import QPropertyAnimation, QPoint
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from PyQt5.QtWidgets import QWidget, QVBoxLayout, QPushButton
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__Author__ = 'Irony'
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__Copyright__ = 'Copyright (c) 2019 Irony'
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__Version__ = 1.0
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class Window(QWidget):
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def __init__(self, *args, **kwargs):
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super(Window, self).__init__(*args, **kwargs)
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self.resize(400, 400)
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layout = QVBoxLayout(self)
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layout.addWidget(QPushButton('抖动', self, clicked=self.doShake))
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def doShake(self):
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self.doShakeWindow(self)
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# 下面这个方法可以做成这样的封装给任何控件
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def doShakeWindow(self, target):
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"""窗口抖动动画
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:param target: 目标控件
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"""
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if hasattr(target, '_shake_animation'):
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# 如果已经有该对象则跳过
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return
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animation = QPropertyAnimation(target, b'pos', target)
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target._shake_animation = animation
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animation.finished.connect(lambda: delattr(target, '_shake_animation'))
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pos = target.pos()
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x, y = pos.x(), pos.y()
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animation.setDuration(200)
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animation.setLoopCount(2)
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animation.setKeyValueAt(0, QPoint(x, y))
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animation.setKeyValueAt(0.09, QPoint(x + 2, y - 2))
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animation.setKeyValueAt(0.18, QPoint(x + 4, y - 4))
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animation.setKeyValueAt(0.27, QPoint(x + 2, y - 6))
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animation.setKeyValueAt(0.36, QPoint(x + 0, y - 8))
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animation.setKeyValueAt(0.45, QPoint(x - 2, y - 10))
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animation.setKeyValueAt(0.54, QPoint(x - 4, y - 8))
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animation.setKeyValueAt(0.63, QPoint(x - 6, y - 6))
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animation.setKeyValueAt(0.72, QPoint(x - 8, y - 4))
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animation.setKeyValueAt(0.81, QPoint(x - 6, y - 2))
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animation.setKeyValueAt(0.90, QPoint(x - 4, y - 0))
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animation.setKeyValueAt(0.99, QPoint(x - 2, y + 2))
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animation.setEndValue(QPoint(x, y))
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animation.start(animation.DeleteWhenStopped)
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if __name__ == '__main__':
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import sys
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from PyQt5.QtWidgets import QApplication
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app = QApplication(sys.argv)
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w = Window()
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w.show()
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sys.exit(app.exec_())
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