[Pythoncard-users] PythonCard app not closing cleanly

[Phil E. <ph...@li...>]

Hi All:

Long time no post and all that, hope everyone is well! :-)

I'm having an odd problem with the latest round of enhancements for the 
standaloneBuilder tool which I'd appreciate any input on that may be 
forthcoming.

Platform details first...I'm running Mandriva 2007.0, Python 2.4.3, 
wxPython 2.6.3.3 and PythonCard 0.8.2 on my Linux machine and XP Pro, 
Python 2.4.3, wxPython 2.8.4.0 and PythonCard 0.8.2 on my Windows box.

If you change some aspect of a standaloneBuilder project and then try to 
close the program without saving the project, it throws up a 'Project 
not saved, save now?' dialog with yes, no and cancel buttons. Within the 
code, this is handled by the 'on_close' event:

     def on_close(self, event):
         if self.doExit():
             print 'on_close: calling event.Skip()'
             event.Skip()
             print 'on_close: back from event.Skip()'

the doExit() routine looks like this:

     def doExit(self):
         bull = True
         if self.documentChanged:
             save = self.saveChanges()
             if save == wx.ID_CANCEL:
                 bull = False
             elif save == wx.ID_NO:
                 bull = True
             else:
                 if self.documentPath is None:
                     bull = self.on_menuFileSaveAs_select(None)
                 else:
                     self.saveFile(self.documentPath)
                     bull = True

         print 'doExit: returning [%s]' % bull
         return bull

On my Linux box, I make a change to the project file then try to exit 
the program and select 'No' when it asks me if I want to save the 
changes. The main window then disappears but the program is still 
running. From the print statements I've put into the code, at the point 
where the on_close event fires, the event.Skip() appears to be getting 
ignored, and in my terminal window, I see both print lines, i.e

on_close: calling event.Skip()
on_close: back from event.Skip()

Under Windows, everything works as it is supposed to and the program 
exits cleanly back to a command prompt.

On both Linux and Windows, clicking the 'yes' and 'cancel' buttons 
results in the expected behaviour, it's just clicking 'no' that seems to 
break things on Linux. I've checked an earlier version of 
standaloneBuilder and this has the same bug, so I'm reasonably sure this 
isn't something that I've introduced into the code by my recent changes.

I'm planning to install a later version of wxPython on another machine 
and repeat my test there to try to rule out any bug in wx that my code 
might be tickling.

My understanding of the event.Skip() call is that it simply leaves the 
current event unchanged and allows it to pass back 'up the chain' to be 
dealt with elsewhere. It seems as though my code is somehow swallowing 
the on_close event.

Any ideas?


-- 

Regards

Phil Edwards
Brighton, UK