in the handdraw, trigger the data-changing function on mouseup and mouseleave
in the handdraw, trigger the data-changing function on mouseup and mouseleave

bloomberg/bqplot,dmadeka/bqplot,rmenegaux/bqplot,bloomberg/bqplot,ssunkara1/bqplot,ChakriCherukuri/bqplot,SylvainCorlay/bqplot,dmadeka/bqplot,rmenegaux/bqplot,ChakriCherukuri/bqplot,SylvainCorlay/bqplot,ssunkara1/bqplot,bloomberg/bqplot,ChakriCherukuri/bqplot,SylvainCorlay/bqplot