Source code for lib_openmolar.common.qt4.widgets.restorable_app

#! /usr/bin/env python
# -*- coding: utf-8 -*-

###############################################################################
##                                                                           ##
##  Copyright 2010, Neil Wallace <rowinggolfer@googlemail.com>               ##
##                                                                           ##
##  This program is free software: you can redistribute it and/or modify     ##
##  it under the terms of the GNU General Public License as published by     ##
##  the Free Software Foundation, either version 3 of the License, or        ##
##  (at your option) any later version.                                      ##
##                                                                           ##
##  This program is distributed in the hope that it will be useful,          ##
##  but WITHOUT ANY WARRANTY; without even the implied warranty of           ##
##  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the            ##
##  GNU General Public License for more details.                             ##
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##  You should have received a copy of the GNU General Public License        ##
##  along with this program.  If not, see <http://www.gnu.org/licenses/>.    ##
##                                                                           ##
###############################################################################

import sys
from PyQt4 import QtGui

class RestorableApplication(QtGui.QApplication):
    '''
    A subclass which play ball if app state is to be remembered by an X11
    Session manager.
    Will write settings to ~/.config/application_name on linux systems
    '''
    def __init__(self, name):
        '''
        the name given here is important as is used in saving the settings
        '''
        super(RestorableApplication, self).__init__(sys.argv)
        self.setOrganizationName(name)
        self.setApplicationName(name)

    def commitData(self, session):
        '''re-implement this method, called on quit'''
        pass

    def saveState(self, session):
        '''re-implement this method, called on run'''
        pass

if __name__ == "__main__":
    app = RestorableApplication("test_organisation_name")
    app.closeAllWindows()