Re: Treeview (liststore) CSS question

[Mike Martin <redtux1 gmail com>]

Its not whether the row is empty, its whether it exists

On Mon, 18 Mar 2019 at 23:25, Daniel Kasak <d j kasak dk gmail com> wrote:

> On Tue, Mar 19, 2019 at 3:01 AM Mike Martin via gtk-app-devel-list <
> gtk-app-devel-list gnome org> wrote:
>
> > Is it possible to set different background for a treestore, with a
> > liststore, for populated rows v blank area.
> >
> > ie: If I have a dynamic treeview I would like to have one background
> > colour
> > for the rows and another for the treestore where there are no rows
> >
> > The particular example has the following tree
> > Grid,Notebook,grid,scrolledwindow,treeview
>
> Use set_cell_data_func:
>
> https://developer.gnome.org/gtk3/stable/GtkTreeViewColumn.html#gtk-tree-view-column-set-cell-data-func
>
> You'd have to do this for every GtkTreeViewColumn you wanted to colour.
> Your callback would then fetch whatever value you want to use as a test (
> ie to test whether the row is 'empty' or not ), and set the renderer's
> "background' property to whatever colour you're after ( the callback get's
> passed the renderer ).
>
> Dan