pyqt 右击+指定位置点击例子学习

# -*- coding: utf-8 -*-

# python:2.x

__author__ = 'Administrator'

import sys

from PyQt4.QtCore import Qt

from PyQt4 import QtGui,QtCore,Qt

from rol import Ui_Form

class Example(QtGui.QDialog,Ui_Form):

def __init__(self,parnet=None):

super(Example, self).__init__(parnet)

self.setupUi(self)

self.createContextMenu()

self.label.setContextMenuPolicy(QtCore.Qt.CustomContextMenu)

self.setContextMenuPolicy(QtCore.Qt.CustomContextMenu)

self.label.customContextMenuRequested.connect(self.conmenx)

self.pushButton.clicked.connect(self.butoonMenu)

def conmenx(self,point):

self.menu.exec_(self.label.mapToGlobal(point))

def createContextMenu(self):

self.setContextMenuPolicy(QtCore.Qt.CustomContextMenu)

self.menu=QtGui.QMenu(self)

menu1=self.menu.addAction(u'打开')

menu1.triggered.connect(self.opens)

def butoonMenu(self):

self.setContextMenuPolicy(QtCore.Qt.CustomContextMenu)

self.buttonme=QtGui.QMenu(self)

text=self.buttonme.addAction(u'打开')

text.triggered.connect(self.opens)

self.buttonme.exec_(self.mapToGlobal(QtCore.QPoint(240,230)))

def opens(self):

QtGui.QMessageBox.information(self,'x','xx')

def main():

app = QtGui.QApplication(sys.argv)

ex = Example()

ex.show()

sys.exit(app.exec_())

main()

图片如下: