PyQt/QPropertyAnimation/ShakeWindow.py
2019-05-08 18:19:11 +08:00

73 lines
2.3 KiB
Python

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