title: how to create label button in PYQT?
body: <p>I need your help with my app. I undecorated python gui and now i need to create clicable label.</p>
  
  <p>run.py</p>
  
  <pre><code>from PyQt4 import  QtCore, QtGui
  import sys
  
  import untitled
  
  class ExampleApp(QtGui.QMainWindow, untitled.Ui_MainWindow):
      def __init__(self):
          super(self.__class__, self).__init__()
          self.setupUi(self)
          self.setWindowFlags(QtCore.Qt.FramelessWindowHint)
  
  
  
  def main():
      app = QtGui.QApplication(sys.argv)
      form = ExampleApp()
      form.show()
      app.exec_()
  
  
  if __name__ == '__main__':
      main()                              
  
  
  def closeapp():
      sys.exit(0);
  </code></pre>
  
  <p>untitled.py:</p>
  
  <pre><code># -*- coding: utf-8 -*-
  
  # Form implementation generated from reading ui file 'untitled.ui'
  #
  # Created by: PyQt4 UI code generator 4.11.4
  #
  # WARNING! All changes made in this file will be lost!
  
  from PyQt4 import QtCore, QtGui
  
  try:
      _fromUtf8 = QtCore.QString.fromUtf8
  except AttributeError:
      def _fromUtf8(s):
          return s
  
  try:
      _encoding = QtGui.QApplication.UnicodeUTF8
      def _translate(context, text, disambig):
          return QtGui.QApplication.translate(context, text, disambig, _encoding)
  except AttributeError:
      def _translate(context, text, disambig):
          return QtGui.QApplication.translate(context, text, disambig)
  
  class Ui_MainWindow(object):
      def setupUi(self, MainWindow):
          MainWindow.setObjectName(_fromUtf8("MainWindow"))
          MainWindow.resize(800, 600)
          self.centralwidget = QtGui.QWidget(MainWindow)
          self.centralwidget.setObjectName(_fromUtf8("centralwidget"))
          self.pushButton = QtGui.QPushButton(self.centralwidget)
          self.pushButton.setGeometry(QtCore.QRect(40, 110, 85, 30))
          self.pushButton.setObjectName(_fromUtf8("pushButton"))
          self.label = QtGui.QLabel(self.centralwidget)
          self.label.setGeometry(QtCore.QRect(220, 100, 58, 14))
          self.label.setObjectName(_fromUtf8("label"))
          self.label_2 = QtGui.QLabel(self.centralwidget)
          self.label_2.setGeometry(QtCore.QRect(220, 140, 58, 14))
          self.label_2.setObjectName(_fromUtf8("label_2"))
          MainWindow.setCentralWidget(self.centralwidget)
          self.menubar = QtGui.QMenuBar(MainWindow)
          self.menubar.setGeometry(QtCore.QRect(0, 0, 800, 26))
          self.menubar.setObjectName(_fromUtf8("menubar"))
          MainWindow.setMenuBar(self.menubar)
          self.statusbar = QtGui.QStatusBar(MainWindow)
          self.statusbar.setObjectName(_fromUtf8("statusbar"))
          MainWindow.setStatusBar(self.statusbar)
  
          self.retranslateUi(MainWindow)
          QtCore.QMetaObject.connectSlotsByName(MainWindow)
  
      def retranslateUi(self, MainWindow):
          MainWindow.setWindowTitle(_translate("MainWindow", "MainWindow", None))
          self.pushButton.setText(_translate("MainWindow", "open", None))
          self.label.setText(_translate("MainWindow", "close", None))
          self.label_2.setText(_translate("MainWindow", "view", None))
  </code></pre>
  
  <p>Now I need to add action to label and label_2. How to make the label to perform closeapp()?</p>