public void setHexMode() {
		BigInteger value = getValue();
		setHexMode(true);
		setValue(value);

	}
Sets the radix mode to Hex.

<P>
If the field is currently in decimal mode, the current text will be change from displaying
the current value from decimal to hex.
Ghidra/Framework/Docking/src/main/java/docking/widgets/textfield/IntegerTextField.java