OK, it's quicker to experiment: On my windows 7 machine in racket 5.3.3, holding the shift key followed by a wheel down yields the sequence "shift" "wheel-down" "shift".
So the way to detect shift-click and the like is to look for a button-up FOLLOWED by shift. Is there any better way to do this? --Mitch On Thu, Mar 14, 2013 at 9:56 PM, Mitchell Wand <w...@ccs.neu.edu> wrote: > Does releasing a shift key cause a key event in 2htdp/universe ? I want > to distinguish between ordinary mouse click and shift click. What I'd like > is to have a sequence like > > keyevent: "shift" (or "rshift") > mouse-event: button-down [or whatever] > keyevent: ??? (I release the shift key) > > I suppose I could experiment to find out, but it's quicker to ask :) > > --Mitch > > > > > >
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