from PySide import QtCore, QtGui

class TestWidget(QtGui.QWidget):
  """
  A simple Pie menu class. Use in a similar way to QMenu: Create a PieMenu and add QActions to it with QAction.
  """

  def __init__(self, parent=None):
    super(TestWidget, self).__init__(parent)

    # with this flag set the application does not quit properly, without it does
    self.setWindowFlags(QtCore.Qt.Popup)

  def mousePressEvent(self, e):
    self.close()

  def keyPressEvent(self, event):
    if event.key() == QtCore.Qt.Key_Escape:
      self.close()


if __name__ == '__main__':
  import sys
  app = QtGui.QApplication(sys.argv)
  w = TestWidget()
  w.show()
  sys.exit(app.exec_())