tkinter treeview widget - bind doubleclick to items only ?
MRAB
python at mrabarnett.plus.com
Tue Jan 21 13:54:02 EST 2020
On 2020-01-21 06:30, R.Wieser wrote:
> MRAB,
>
>> self.treeview.bind('<Double-1>', self.on_dclick)
>
> That is what I used. Doubleclicking on the heading caused the "on_dclick"
> code to execute, though initially the ".identify()" call in my code returns
> an empty ID (no row present at the location I clicked).
>
> That changes when the treeview contents are scrolled up, causing a with a
> row to be hidden behind the heading. At that moment doubleclicking the
> heading my ".identify()" call in the "on_dclick" code returns the ID of the
> row thats hidden behind it. :-(
>
> Shucks, it seems to be even worse:
> I just scrolled a row containing children (visible by its prefixed the
> to-the-right pointing triangle) behind the heading, and double-clicking the
> heading caused that rows children to unfold and fold.
>
> I don't think that that should be happening ... How do I prevent it ?
>
Huh, I never noticed that!
I think it's an issue with Tk itself. tkinter ("Tk interface") is a
wrapper around Tcl/Tk, Tk being the GUI extension for the Tcl
programming language.
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