#include <gtk/gtk.h>

static GtkWidget *create_tree (int i)
{
	GtkWidget *tree;
	GtkListStore *store;
	GtkTreeModel *model;
	GtkCellRenderer *renderer;
	GtkTreeViewColumn *col;
	char *caption[] = {"Foo", "Bar"};

	store = gtk_list_store_new (1, G_TYPE_INT);

	model = GTK_TREE_MODEL (store);
	tree = gtk_tree_view_new_with_model (model);

	renderer = gtk_cell_renderer_text_new ();
	col = gtk_tree_view_column_new_with_attributes (caption[i],
	                                                renderer,
	                                                "text", 0,
	                                                NULL);

	gtk_tree_view_append_column (GTK_TREE_VIEW (tree), col);

	return tree;
}

static gboolean on_window_delete (GtkWidget *widget, GtkWidget *event,
                                  gpointer data)
{
    gtk_main_quit();

    return FALSE;
}

int main (int argc, char **argv)
{
	GtkWidget *window, *vbox;
	GtkNotebook *notebook;
	int i;

	gtk_init (&argc, &argv);

	window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
	gtk_window_set_title (GTK_WINDOW (window), "Tree Test");
	gtk_window_set_default_size (GTK_WINDOW (window), 200, 100);
	gtk_window_set_position (GTK_WINDOW (window), GTK_WIN_POS_CENTER);

	g_signal_connect (G_OBJECT (window), "delete_event",
	                  G_CALLBACK (on_window_delete), NULL);

	vbox = gtk_vbox_new (FALSE, 0);

	notebook = GTK_NOTEBOOK (gtk_notebook_new ());
	gtk_notebook_set_tab_pos (notebook, GTK_POS_TOP);
	gtk_container_set_border_width (GTK_CONTAINER (notebook), 10);

	gtk_box_pack_start (GTK_BOX (vbox), GTK_WIDGET (notebook),
	                    TRUE, TRUE, 0);

	gtk_container_add (GTK_CONTAINER (window), vbox);
	gtk_widget_show_all (GTK_WIDGET (window));

	for (i = 0; i < 2; i++){
      // show each tree
      GtkWidget* tree;
      tree = create_tree (i);
      gtk_widget_show(tree);
      gtk_notebook_append_page (notebook, tree, NULL);
    }
    // this is not needed now
	//gtk_widget_show_all (GTK_WIDGET (notebook));

	/* workaround: */
	/*gtk_notebook_set_current_page (notebook, 1);
	gtk_notebook_set_current_page (notebook, 0);*/

	gtk_main ();

	return 0;
}