On Wed, 27 Nov 2013 14:19:37 +0100, Colomban Wendling <lists....@herbesfolles.org> wrote: > Le 27/11/2013 12:57, Jarosław Sobieszek a écrit : >> Hello, >> >> I'm trying to dynamically modify list based on some action. Program below >> should add 3 rows at the top and 3 rows at the bottom of the list for >> every >> click of the button. For some reason it doesn't work - I'm seeing partial >> updates with random amount of data (only 2 top rows on first click, then >> 5 >> at the bottom, on 3rd click the list looks ok (9 rows added at the top >> and >> 9 rows added at the bottom)). I've tested this under gtk2 and it works >> ok. >> Am I missing something or is it a bug in gtk3 (gtk3-3.8.6 under Fedora >> 19)? > > I'd say it's a bug in tree view sizing in GTK3. > > Actually, the list is correctly updated, but the view only request space > for the initial data, and not for the newly added. And since in your > case you don't pack it in a ScrolledWindow, the view should grow its > size request. > > You can see what really happens by making your tree view expand > (gtk_box_pack_start(GTK_BOX(box), tree, TRUE, TRUE, 0) instead of > container_add(box, tree)): you will see that if you resize the window > manually you see the "missing" rows.
Yes I'd normally put it in ScrolledWindow but I wanted to test something and skipped that step. The partial refresh was a bit baffling (and probably slightly buggy) since I'd expect it to either update everything or nothing at all, but it's easy to work around that. Thanks for both answers. Jarek _______________________________________________ gtk-app-devel-list mailing list gtk-app-devel-list@gnome.org https://mail.gnome.org/mailman/listinfo/gtk-app-devel-list
