Example of Dynamic Popup Menus

Dynamic_PopupMenu.py

'''
Author: Carlo Cherisier
Date: 08.25.15
Script: ZeroOut
import ZeroOut
reload(ZeroOut)
ZeroOut.show_dialog()
'''
import sys
import functools
from PySide import QtCore, QtGui


class TestUI(QtGui.QDialog):
    def __init__(self, *args, **kws):
        parent = kws.get('parent', None)
        super(TestUI, self).__init__(parent=parent)

        ## Class variables
        self.mapper = QtCore.QSignalMapper(self)

        ## Setup GUI
        self.createWindow()
        self.setupConnections()

    def createWindow(self):
        '''
        Purpose: Contains all window elements
        '''
        ## Font Variable
        # fontSize = QtGui.QFont()

        ## Window Title
        self.setWindowTitle('Zero Out')

        ## Main Layout
        self._mainLayout = QtGui.QVBoxLayout()
        self._mainLayout.setAlignment(QtCore.Qt.AlignCenter)
        self.setLayout(self._mainLayout)

        self.thisButton = QtGui.QPushButton('This Button')
        self._mainLayout.addWidget(self.thisButton)

    def _createPopup(self, widget, func, args):
        ## Enable Right
        widget.setContextMenuPolicy(QtCore.Qt.CustomContextMenu)
        widget.customContextMenuRequested.connect(func)

        ## Create Popup Menu
        thisMenu = QtGui.QMenu(self)

        for each in args:
            label = 'Zero Out {0}'.format(each)
            ## You can also use partial to achieve this instead of mapping
            # thisMenu.addAction(label, functools.partial(func2, each))

            action = QtGui.QAction(label, self)
            self.mapper.setMapping(action, each)
            action.triggered.connect(self.mapper.map)
            thisMenu.addAction(action)

        return thisMenu

    def setupConnections(self):
        '''
        Purpose: Connect all GUI Elemenents to functions
        '''
        self.thisButton.clicked.connect(self.thisButton_clicked)

        args = ['RX', 'RY', 'RZ']
        self.thisButton_Popup = self._createPopup(self.thisButton, self.showthisButton_Popup, args)

        self.mapper.mapped['QString'].connect(self.doSomethingCool)

    def showthisButton_Popup(self, point):
        '''
        Show Popup Menu on Rotation QPushButton
        '''
        self.thisButton_Popup.exec_(self.thisButton.mapToGlobal(point))

    def doSomethingCool(self, arg):

        if(arg == 'RX'):
            print 'RX'
        elif(arg == 'RY'):
            print 'RY'
        elif(arg == 'RZ'):
            print 'RZ'

    def thisButton_clicked(self):
        print 'Button Clicked'



def main():
	global test

	try:
		test.deleteLater()
	except:
		pass

	try:
		app = QtGui.QApplication(sys.argv)
		test = TestUI()
		test.show()
		sys.exit(app.exec_())

	except(RuntimeError):
		test = TestUI()
		test.show()

if __name__ == '__main__':
    main()