76 lines
2.5 KiB
Python
76 lines
2.5 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24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: MultiSelect
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@description:
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"""
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try:
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from PyQt5.QtWidgets import QApplication, QWidget, QVBoxLayout, QLabel, QPushButton, QMenu, QAction
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except ImportError:
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from PySide2.QtWidgets import QApplication, QWidget, QVBoxLayout, QLabel, QPushButton, QMenu, QAction
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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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layout = QVBoxLayout(self)
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self.labelInfo = QLabel(self)
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self.button = QPushButton('带按钮的菜单', self)
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layout.addWidget(self.labelInfo)
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layout.addWidget(self.button)
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# 添加菜单
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self._initMenu()
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def _initMenu(self):
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# 创建菜单
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self._menu = QMenu(self.button)
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# 替换menu的鼠标释放事件达到选择性不关闭菜单
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self._menu.mouseReleaseEvent = self._menu_mouseReleaseEvent
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self._menu.addAction('菜单1', self._checkAction)
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self._menu.addAction('菜单2', self._checkAction)
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self._menu.addAction(
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QAction('菜单3', self._menu, triggered=self._checkAction))
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action = QAction('菜单4', self._menu, triggered=self._checkAction)
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# 添加自定义的属性,判断该属性可以关闭菜单
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action.setProperty('canHide', True)
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self._menu.addAction(action)
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for action in self._menu.actions():
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# 循环设置可勾选
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action.setCheckable(True)
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self.button.setMenu(self._menu)
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def _menu_mouseReleaseEvent(self, event):
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action = self._menu.actionAt(event.pos())
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if not action:
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# 没有找到action就交给QMenu自己处理
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return QMenu.mouseReleaseEvent(self._menu, event)
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if action.property('canHide'): # 如果有该属性则给菜单自己处理
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return QMenu.mouseReleaseEvent(self._menu, event)
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# 找到了QAction则只触发Action
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action.activate(action.Trigger)
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def _checkAction(self):
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# 三个action都响应该函数
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self.labelInfo.setText('\n'.join(['{}\t选中：{}'.format(
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action.text(), action.isChecked()) for action in self._menu.actions()]))
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if __name__ == '__main__':
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import sys
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import cgitb
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cgitb.enable(format='text')
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app = QApplication(sys.argv)
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w = Window()
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w.resize(400, 400)
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w.show()
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sys.exit(app.exec_())
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