struct _VikViewport * vik_window_viewport(VikWindow *vw);
void vik_window_set_redraw_trigger(struct _VikLayer *vl);
+void vik_window_enable_layer_tool ( VikWindow *vw, gint layer_id, gint tool_id );
+
G_END_DECLS
#define VIK_WINDOW_FROM_WIDGET(x) VIK_WINDOW(gtk_widget_get_toplevel(GTK_WIDGET(x)))