Capture close window button in Tkinter
noreply at gcgroup.net
Sun Jun 12 17:52:48 CEST 2005
I am trying to make a simple data editor in Tkinter where each data
element has a corresponding Entry widget. I have tried to use the
FocusIn/FocusOut events to set a 'hasChanged' flag (if a record has not
changed, the db doesn’t need updating). This seems to work fine except
that when the user finishes and clicks a ‘done’ button or the close
window button (in the root widget) no FocusOut event is triggered. I
can trigger a FocusOut event if the ‘done’ button opens another window
(i.e. a messagebox) that takes focus. Enter and Leave follow the mouse,
but don’t trigger when the user tabs between fields.
Is there a better way to monitor 'hasChanged'? Also, how do I capture
the root window close button?
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