121 lines
3.8 KiB
Python
121 lines
3.8 KiB
Python
#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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"""
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Created on 2018年10月30日
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@author: Irony
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@site: https://pyqt.site , https://github.com/PyQt5
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@email: 892768447@qq.com
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@file: ButtomZoom
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@description:
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"""
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try:
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from PyQt5.QtCore import QPropertyAnimation, QRect
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from PyQt5.QtWidgets import QApplication, QPushButton, QWidget, QHBoxLayout, QSpacerItem, QSizePolicy
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except ImportError:
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from PySide2.QtCore import QPropertyAnimation, QRect
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from PySide2.QtWidgets import QApplication, QPushButton, QWidget, QHBoxLayout, QSpacerItem, QSizePolicy
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class ZoomButton(QPushButton):
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def __init__(self, *args, **kwargs):
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super(ZoomButton, self).__init__(*args, **kwargs)
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self._animation = QPropertyAnimation(
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self, b'geometry', self, duration=200)
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def updatePos(self):
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# 记录自己的固定的geometry值
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self._geometry = self.geometry()
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self._rect = QRect(
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self._geometry.x() - 6,
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self._geometry.y() - 2,
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self._geometry.width() + 12,
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self._geometry.height() + 4
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)
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def showEvent(self, event):
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super(ZoomButton, self).showEvent(event)
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self.updatePos()
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def enterEvent(self, event):
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super(ZoomButton, self).enterEvent(event)
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self._animation.stop() # 停止动画
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# 修改动画的开始值
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self._animation.setStartValue(self._geometry)
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# 修改动画的终止值
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self._animation.setEndValue(self._rect)
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self._animation.start()
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def leaveEvent(self, event):
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super(ZoomButton, self).leaveEvent(event)
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self._animation.stop() # 停止动画
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# 修改动画的开始值
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self._animation.setStartValue(self._rect)
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# 修改动画的终止值
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self._animation.setEndValue(self._geometry)
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self._animation.start()
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def mousePressEvent(self, event):
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self._animation.stop() # 停止动画
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# 修改动画的开始值
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self._animation.setStartValue(self._rect)
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# 修改动画的终止值
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self._animation.setEndValue(self._geometry)
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self._animation.start()
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super(ZoomButton, self).mousePressEvent(event)
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class Window(QWidget):
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# 测试窗口
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def __init__(self, *args, **kwargs):
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super(Window, self).__init__(*args, **kwargs)
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# 1. 加入布局中
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layout = QHBoxLayout(self)
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layout.addSpacerItem(QSpacerItem(
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40, 20, QSizePolicy.Expanding, QSizePolicy.Minimum))
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self.button1 = ZoomButton('按钮1', self)
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layout.addWidget(self.button1)
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layout.addSpacerItem(QSpacerItem(
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40, 20, QSizePolicy.Expanding, QSizePolicy.Minimum))
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# 2. 不在布局中
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self.button2 = ZoomButton('按钮2', self)
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# 以下两个方法需要重写
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def showEvent(self, event):
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super(Window, self).showEvent(event)
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# 更新按钮的位置
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self.button1.updatePos()
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# 针对不在控件中的按钮
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self.button2.move(self.width() - self.button2.width() - 15,
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self.height() - self.button2.height() - 10)
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self.button2.updatePos()
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def resizeEvent(self, event):
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super(Window, self).resizeEvent(event)
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# 更新按钮的位置
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self.button1.updatePos()
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# 针对不在控件中的按钮
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self.button2.move(self.width() - self.button2.width() - 15,
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self.height() - self.button2.height() - 10)
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self.button2.updatePos()
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if __name__ == '__main__':
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import sys
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app = QApplication(sys.argv)
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app.setStyleSheet("""QPushButton {
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border: none;
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font-weight: bold;
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font-size: 16px;
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border-radius: 18px;
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min-width: 180px;
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min-height: 40px;
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background-color: white;
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}""")
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w = Window()
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w.show()
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sys.exit(app.exec_())
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