Fixes and other changes to the demo and some library modules so they

work better (or at all) on wxMac


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@16500 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

wxPython/demo/wxFileDialog.py

@@ -1,10 +1,15 @@
 
 from wxPython.wx import *
+import string
 
 #---------------------------------------------------------------------------
 
+wildcard = "Python source (*.py)|*.py|" \
+           "Compiled Python (*.pyc)|*.pyc|" \
+           "All files (*.*)|*.*"
+
 def runTest(frame, nb, log):
-    dlg = wxFileDialog(frame, "Choose a file", ".", "", "*.*", wxOPEN|wxMULTIPLE)
+    dlg = wxFileDialog(frame, "Choose a file", "", "", wildcard, wxOPEN|wxMULTIPLE)
     if dlg.ShowModal() == wxID_OK:
         for path in dlg.GetPaths():
             log.WriteText('You selected: %s\n' % path)