Source Code for Module A11yChooser

 1  ''' 
 2  Defines a gtk dialog with a yes/no option for enabling desktop accessibility. 
 3   
 4  @note: Current implementation is AT-SPI, GNOME dependent 
 5   
 6  @author: Peter Parente 
 7  @organization: IBM Corporation 
 8  @copyright: Copyright (c) 2007 IBM Corporation 
 9  @license: The BSD License 
10   
11  @author: Frank Zenker 
12  @organization: IT Science Center Ruegen gGmbH, Germany 
13  @copyright: Copyright (c) 2007, 2008 ITSC Ruegen 
14  @license: The BSD License 
15   
16  All rights reserved. This program and the accompanying materials are made  
17  available under the terms of the BSD license which accompanies 
18  this distribution, and is available at 
19  U{http://www.opensource.org/licenses/bsd-license.php} 
20  ''' 
21   
22  import pygtk 
23  pygtk.require('2.0') 
24  import gtk, gobject 
25  import gconf 
26  from AccessEngine import AEChooser 
27  from Tools.i18n import _ 
28   
29  __uie__ = dict(kind='chooser') 
30   
31 -class A11yChooser(AEChooser.AEChooser):  
32    ''' 
33    Shows a dialog that lets the user choose whether to enable or disable  
34    desktop accessibility at startup. 
35     
36    @ivar dialog: Message dialog 
37    @type dialog: gtk.MessageDialog 
38    ''' 
39 -  def init(self, **kwargs): 
40      ''' 
41      Creates and shows the chooser dialog and its components. 
42      ''' 
43      # get the dialog widget 
44      self.dialog = gtk.MessageDialog(type=gtk.MESSAGE_WARNING, 
45                                      buttons=gtk.BUTTONS_YES_NO) 
46      self.dialog.set_title(_('Desktop accessibility disabled')) 
47      self.dialog.set_property('text',  
48       _('SUE cannot see the applications on your desktop. You' 
49         ' must enabled desktop accessibility to fix this ' 
50         ' problem. Do you want to enable it now?')) 
51      self.dialog.set_property('secondary-text', 
52                               _('Note: Changes take effect after logout.')) 
53      self.dialog.set_property('use-markup', False) 
54      self.dialog.show_all() 
55       
56      self.dialog.connect('response', self._onResponse) 
57   
58 -  def _onResponse(self, widget, response): 
59      ''' 
60      Processes the yes/no response and closes the dialog. 
61       
62      @param widget: Source of GUI event 
63      @type widget: gtk.Widget 
64      ''' 
65      if response == gtk.RESPONSE_YES: 
66        cl = gconf.client_get_default() 
67        cl.set_bool('/desktop/gnome/interface/accessibility', True) 
68      self.close() 
69   
70 -  def close(self): 
71      ''' 
72      Closes the chooser, preventing further interaction with the user. 
73      ''' 
74      self.dialog.destroy() 
75         
76 -  def getName(self): 
77      ''' 
78      Gets the name of the chooser. 
79       
80      @return: Human readable name of the chooser 
81      @rtype: string 
82      ''' 
83      return _('Accessibility message dialog') 
84