Get key combination code of multiple keys

Question

I want to ask you can I get key code combination of multiple keys. For example I can get the key code from this example:

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Answer 1

I Don't see directly there is any way except Menus but still We can handle multi key event e.g. Ctrl + S by below work around.

at controller class level keep

public static boolean halfCtrlSPressed=false;

and in Event filter add logic as

if(ke.getCode().getName() == "Ctrl") {
            halfCtrlSPressed=true;
        }else if(ke.getCode().getName() == "S"  && halfCtrlSPressed) {
            halfCtrlSPressed=false;
            //doDomething
}