package gve.calc.formula;

public interface KeydnListener {
	static final public char Key_LEFT = (char)0;
	static final public char Key_RIGHT = (char)1;
	static final public char Key_DOWN = (char)2;
	static final public char Key_UP = (char)3;
	static final public char Key_BS = (char)8;	// backspace
	static final public char Key_TAB = (char)9;
	static final public char Key_SHTAB = (char)4;	// shift tab
	static final public char Key_DEL = (char)127;

	public boolean keydn(int key);
}