[racket] onfocus like functionality in Racket

Yes, it's your choice whether one circle moves or both. 

If this is related to a course, you need to design the program so that this mailing list can help you with where you're stuck. 

If you're trying to find a good GUI toolbox, then I'd recommend using the underlying one instead. The big-bang construct is used for teaching design. 


On Oct 4, 2014, at 9:47 PM, Animesh Pandey wrote:

> Hi,
> I am using big-bang to create a simple GUI application where I am dragging two solid circles.
> Suppose I drag one circle on top of another and release the mouse button and then when I click both circles move together. Is there away I can avoid this? I want the circle on the top to move and not the one under it.
> 
> Thanks
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