Re: custom treemodels and treeview padding

[Bob Caryl <bob fis-cal com>]

Just a shot in the dark here:  Is your custom Gtk::TreeModel based on a 
Gtk::TreeStore or a Gtk::ListStore?  If it's a Gtk::TreeStore then I'd 
guess that the "weird padding" is reserving space to place the expansion 
toggle symbol for a row that is an expandable parent.

Once again, just a guess.

Bob Caryl

Jonathon Jongsma wrote:
> I've been working a bit on a custom treemodel based on standard C++
> containers and I've got the basics working, but when I add it to a
> treeview, I get some weird padding in the beginning of the column.
> For example, see this screenshot:
> http://download.gna.org/colorscheme/etc/customtreemodel/Screenshot-testcustomtreemodel.png
>
> I tried running the example that's in the gtkmm source tree and the
> first column also seems to have this extra padding, although the
> subsequent columns don't:
> http://download.gna.org/colorscheme/etc/customtreemodel/gtkmm-example.png
>
> Does anybody have any suggestions for what might be causing this and
> what I might try to fix it?  Or has anybody implemented a custom
> treemodel where this behavior doesn't exist?
>
> If you're interested in playing with the code, you can download it from here:
> http://download.gna.org/colorscheme/etc/customtreemodel/customtreemodel-0.0.2.tar.gz
>
> Any tips would be greatly appreciated.
>
> Thanks,
> Jonner
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>   
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