Source Code for Module speechViewer

 1  #speechViewer.py 
 2  #A part of NonVisual Desktop Access (NVDA) 
 3  #Copyright (C) 2006-2008 NVDA Contributors <http://www.nvda-project.org/> 
 4  #This file is covered by the GNU General Public License. 
 5  #See the file COPYING for more details. 
 6   
 7  import wx 
 8  import gui 
 9   
10 -class SpeechViewerFrame(wx.MiniFrame): 
11   
12 -        def __init__(self): 
13                  super(SpeechViewerFrame, self).__init__(gui.mainFrame, wx.ID_ANY, _("NVDA Speech Viewer"), style=wx.CAPTION | wx.RESIZE_BORDER | wx.STAY_ON_TOP) 
14                  self.Bind(wx.EVT_CLOSE, self.onClose) 
15                  sizer = wx.BoxSizer(wx.VERTICAL) 
16                  self.textCtrl = wx.TextCtrl(self, -1,size=(500,500),style=wx.TE_RICH2|wx.TE_READONLY|wx.TE_MULTILINE) 
17                  sizer.Add(self.textCtrl, proportion=1, flag=wx.EXPAND) 
18                  sizer.Fit(self) 
19                  self.SetSizer(sizer) 
20                  self.Show(True) 
21   
22 -        def onClose(self, evt): 
23                  deactivate() 
24                  return 
25                  if not evt.CanVeto(): 
26                          self.Destroy() 
27                          return 
28                  evt.Veto() 
29   
30  _guiFrame=None 
31  isActive=False 
32   
33 -def activate(): 
34          global _guiFrame, isActive 
35          _guiFrame = SpeechViewerFrame() 
36          isActive=True 
37   
38 -def appendText(text): 
39          if not isActive: 
40                  return 
41          if not isinstance(text,basestring): 
42                  return 
43          #If the speech viewer text control has the focus, we want to disable updates 
44          #Otherwize it would be impossible to select text, or even just read it (as a blind person). 
45          if _guiFrame.FindFocus()==_guiFrame.textCtrl: 
46                  return 
47          _guiFrame.textCtrl.AppendText(text + "\n") 
48   
49 -def deactivate(): 
50          global _guiFrame, isActive 
51          if not isActive: 
52                  return 
53          isActive=False 
54          _guiFrame.Destroy() 
55          _guiFrame = None 
56