Lukas: Thanks for responding! I was confused about how on_alt and on_ctrl works. I would have done it like.
Initialize it.
Code:
on_alt = altKeyFunction;


Then the function.
Code:
function altKeyFunction()
{
   if (key_c)
      ...
   if (key_h)
      ...
}

But this is different than your approach. Will it work?

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