[wxpython-users] Catching user leaving the window

[Mike Driscoll]

Tim,
>
>
> On Mon, Sep 8, 2008 at 3:30 PM, Mike Driscoll <mike at pythonlibrary.org 
> <mailto:mike at pythonlibrary.org>> wrote:
>
>     Hi Werner,
>
>
>         I have a FlatNotebook and use the event
>         "EVT_FLATNOTEBOOK_PAGE_CHANGING" to catch page changing to
>         ensure that user either saves data before changing to another
>         page.
>
>         This works fine as long as user goes to another notebook page,
>         but if they go "outside" the flatnotebook I can't find an
>         event which lets me catch this.
>
>         Tried "EVT_CHILD_FOCUS" but that fires very often and I
>         haven't figured out a nice way to just rollback the database
>         connection in the right situation.
>
>         I also tried "EVT_KILL_FOCUS" but does not seem to fire for
>         the flatnotebook - is this a known issue?
>
>         Do I have any other options?
>
>         Werner
>
>
>     Did you try EVT_LEAVE_WINDOW ? I would think that would work no
>     matter which widget you're using, unless the OS doesn't support it.
>
>
> Doesn't that track mouse-movement? Wouldn't it be a bit extreme to 
> rollback your database-transaction and already-entered data just b/c 
> the user moves the mouse? ;-)
>
> You could perhaps try window activate/deactivate events, I think that 
> these apply only to the whole wx.Frame; not to individual widgets.
>
> Cheers,
>
> --Tim
>
>

Yeah, but sometimes you gotta get extreme! Anyway, I suppose Werner 
could just track changes and catch the OnClose event and ask the user if 
they want to save or not.

-------------------
Mike Driscoll

Blog:   http://blog.pythonlibrary.org
Python Extension Building Network:     http://www.pythonlibrary.org