6.2. Double-Clicks on a Row

  void
  view_onRowActivated (GtkTreeView        *treeview,
                       GtkTreePath        *path,
                       GtkTreeViewColumn  *col,
                       gpointer            userdata)
  {
    GtkTreeModel *model;
    GtkTreeIter   iter;

    g_print ("A row has been double-clicked!\n");

    model = gtk_tree_view_get_model(treeview);

    if (gtk_tree_model_get_iter(model, &iter, path))
    {
       gchar *name;

       gtk_tree_model_get(model, &iter, COLUMN_NAME, &name, -1);

       g_print ("Double-clicked row contains name %s\n", name);

       g_free(name);
    }
  }

  void
  create_view (void)
  {
    GtkWidget *view;

    view = gtk_tree_view_new();

    ...

    g_signal_connect(view, "row-activated", (GCallback) view_onRowActivated, NULL);

    ...
  }