Trigger | Converting any key like the function of shift key

[ComplexPoint]

I'm not sure that either the question, or the examples, are intelligible yet.

To get any help, you would need to provide more (and broader) context about what you are hoping to achieve, enabling us to understand what you are talking about.

See:

How Do I Get The Best Answer in the Shortest Time to Questions on the KM Forum?

Tip: How Do I Get The Best Answer in the Shortest Time? Summary: The better quality and more complete the information you post about your issue, the quicker we can give you a useful answer. Tell us your complete workflow along with your end-objective up front – do not spoon-feed it to us one post at a time -- i.e. don't waste your time or ours. At the very least provide a summary of what you're doing. By having a more complete picture of your task we can often suggest more efficient me…

and:
XY problem - Wikipedia

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No idea yet what the meaning, context, or use of your "Q+1, A+1" is, but I wonder if there is a problem which you are hoping to solve with a key down condition ?