gtk-demo: Make editable cells demo more robust

When removing all rows, trying to add rows would not work
and throw criticals. This is fallout from a recent change
to insert rows at the right position. Fix this by handling
the 'empty model' case separately.

https://bugzilla.gnome.org/show_bug.cgi?id=743157
This commit is contained in:
Matthias Clasen 2015-01-19 07:32:31 -05:00
parent dc952e3d94
commit 531fa78601

View File

@ -158,11 +158,18 @@ add_item (GtkWidget *button, gpointer data)
/* Insert a new row below the current one */
gtk_tree_view_get_cursor (treeview, &path, NULL);
model = gtk_tree_view_get_model (treeview);
gtk_tree_model_get_iter (model, &current, path);
gtk_tree_path_free (path);
if (path)
{
gtk_tree_model_get_iter (model, &current, path);
gtk_tree_path_free (path);
gtk_list_store_insert_after (GTK_LIST_STORE (model), &iter, &current);
}
else
{
gtk_list_store_insert (GTK_LIST_STORE (model), &iter, -1);
}
/* Set the data for the new row */
gtk_list_store_insert_after (GTK_LIST_STORE (model), &iter, &current);
gtk_list_store_set (GTK_LIST_STORE (model), &iter,
COLUMN_ITEM_NUMBER, foo.number,
COLUMN_ITEM_PRODUCT, foo.product,