+ drawing->drawing_area = gtk_drawing_area_new ();
+
+ drawing->gc = NULL;
+
+ drawing->hbox = gtk_hbox_new(FALSE, 1);
+ drawing->viewport = gtk_viewport_new(NULL, control_flow_data->v_adjust);
+ drawing->scrollbar = gtk_vscrollbar_new(control_flow_data->v_adjust);
+ gtk_box_pack_start(GTK_BOX(drawing->hbox), drawing->viewport,
+ TRUE, TRUE, 0);
+ gtk_box_pack_end(GTK_BOX(drawing->hbox), drawing->scrollbar,
+ FALSE, FALSE, 0);
+
+ //drawing->scrolled_window =
+ // gtk_scrolled_window_new (NULL,
+ // control_flow_data->v_adjust);
+
+ //gtk_scrolled_window_set_policy(
+ // GTK_SCROLLED_WINDOW(drawing->scrolled_window),
+ // GTK_POLICY_NEVER,
+ // GTK_POLICY_AUTOMATIC);
+
+ gtk_container_add(GTK_CONTAINER(drawing->viewport),
+ drawing->drawing_area);
+ //gtk_scrolled_window_add_with_viewport(
+ // GTK_SCROLLED_WINDOW(drawing->scrolled_window),
+ // drawing->drawing_area);
+
+ gtk_box_pack_start(GTK_BOX(drawing->vbox), drawing->ruler_hbox,