python PyQt5/Pyside2 按钮右击菜单实例代码

具体代码如下所述：

import sys
from PySide2.QtGui import *
from PySide2.QtCore import *
from PySide2.QtWidgets import *
class MainForm(QMainWindow):
def __init__(self, parent=None):
super(MainForm, self).__init__(parent)
# create button
self.button = QPushButton("test button", self)
self.button.resize(100, 30)
# set button context menu policy
self.button.setContextMenuPolicy(Qt.CustomContextMenu)
self.button.customContextMenuRequested.connect(self.on_context_menu)
# create context menu
self.popMenu = QMenu(self)
self.popMenu.addAction(QAction('test0', self))
self.popMenu.addAction(QAction('test1', self))
self.popMenu.addSeparator()
self.popMenu.addAction(QAction('test2', self))
def on_context_menu(self, point):
# show context menu
self.popMenu.exec_(self.button.mapToGlobal(point))
def main():
app = QApplication(sys.argv)
form = MainForm()
form.show()
app.exec_()
if __name__ == '__main__':
main()

 总结

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