datetime:2019/5/23 10:53

author:nzb

右键菜单

import sys
from PyQt5.QtWidgets import QApplication, QMainWindow, QMenu
from PyQt5 import QtGui



class UI_demo(QMainWindow):
    """用户界面"""
    def __init__(self):
        super().__init__()

        # 窗口信息
        self.title = 'PyQt5 Context Menu'
        self.left = 600
        self.top = 200
        self.width = 500
        self.height = 400
        self.iconName = '../img/home.ico'

        self.initWindow()

    def initWindow(self):

        # 窗口信息
        self.setWindowIcon(QtGui.QIcon(self.iconName))  # 图标设置
        self.setGeometry(self.left, self.top, self.width, self.height)  # 大小位置设置
        self.setWindowTitle(self.title)  # 窗口标题

        # 展示窗口
        self.show()

    def contextMenuEvent(self, event):
        """右键菜单"""
        contextMenu = QMenu(self)

        newAction = contextMenu.addAction("New")
        openAction = contextMenu.addAction("Open")
        quitAction = contextMenu.addAction("Quit")

        action = contextMenu.exec_(self.mapToGlobal(event.pos()))

        if action == quitAction:
            self.close()


if __name__ == "__main__":
    app = QApplication(sys.argv)
    ex = UI_demo()
    sys.exit(app.exec_())