Thanks Though what I don't quite get is the difference in behaviour between editing-started and edited (both using path to get the ITER) On my particular scenario I use editing-started to setup some stuff so I can use the iter created
On Thu, 28 Feb 2019, 12:30 Nicolas Soubeiran via gtk-app-devel-list, < gtk-app-devel-list@gnome.org> wrote: > Hello, > after you sort the model, you shall consider that all iter and path > previously stored are wrong : > A path is a representation of the position of the row in the current case > (which you can read by using gtk_tree_path_to_string). > > https://developer.gnome.org/gtk3/stable/GtkTreeModel.html#gtk-tree-path-to-string > > Iter are quite the same (but link to a particular GtkTreeModel), such as > list::iterator of C++ STL : they are pointer to row that you can use to > access to data or walk through the models. You can make an iter from a > path and a model : > > GtkTreePath *path;GtkTreeIter iter; > > GtkTreeModel* model; > > GtkListStore store = gtk_list_store_new(3, G_TYPE_INT, > G_TYPE_STRING,G_TYPE_STRING) > > model = GTK_TREE_MODEL(store); > > path = gtk_tree_path_new_from_string > < > https://developer.gnome.org/gtk3/stable/GtkTreeModel.html#gtk-tree-path-new-from-string > > > ("3"); // third rowgtk_tree_model_get_iter > < > https://developer.gnome.org/gtk3/stable/GtkTreeModel.html#gtk-tree-model-get-iter > > > (model, &iter, path); // may be invalid (check return value) > > If you really want to keep track of a particular row, you have to use > GtkTreeRowReference > > https://developer.gnome.org/gtk3/stable/GtkTreeModel.html#GtkTreeRowReference > But GTK will have to keep the reference up to date, so each time your > model change (inserting, deleting, sorting...) > GTK will triggered signal to update your GtkTreeRowReference which may > cause an overhead in your application > > Hope this helps you to understand better the GtkTreeModel paradigm > _______________________________________________ > gtk-app-devel-list mailing list > gtk-app-devel-list@gnome.org > https://mail.gnome.org/mailman/listinfo/gtk-app-devel-list > _______________________________________________ gtk-app-devel-list mailing list gtk-app-devel-list@gnome.org https://mail.gnome.org/mailman/listinfo/gtk-app-devel-list
