select current object

select current object by buttons. Each button represents one object which is either axes, image, etc

To reproduce screenshot,

x=1:100;y=sin(x/50);
subplot(121);plot(x,y,'r.',x,y-x/100,'b^');

img=importdata('cameraman.tif');

subplot(122);imagesc(img);colormap gray;
rectangle('position',[100 100 20 50],'edgecolor','b','facecolor','y')
text(20,20,'hello','color','g')

sco