Apparently , yes this is a bug in gtk upstream https://gitlab.gnome.org/GNOME/gtk/issues/794
On Tue, 5 Mar 2019 at 23:12, Mike Martin <redt...@gmail.com> wrote: > I am trying to toggle sorting on a liststore, so I am trying to use > > $list->get_column(0)->set_sort_column_id(-2) > where list is a treeview containing a liststore > > as per > GTK_TREE_SORTABLE_UNSORTED_SORT_COLUMN_ID > > #define GTK_TREE_SORTABLE_UNSORTED_SORT_COLUMN_ID (-2) > > The GTK_TREE_SORTABLE_DEFAULT_SORT_COLUMN_ID can be used to make a > GtkTreeSortable > <https://developer.gnome.org/gtk3/stable/GtkTreeSortable.html> use no > sorting. > > referenced on > https://developer.gnome.org/gtk3/stable/GtkTreeSortable.html#GTK-TREE-SORTABLE-UNSORTED-SORT-COLUMN-ID:CAPS > > However I get the error message > > gtk_tree_view_column_set_sort_column_id: assertion 'sort_column_id >= -1' > failed > > thanks > > > Mike > > >
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