@Override
	public boolean contains(int x, int y) {
		if ((x >= startX) && (x < startX + width) && (y >= -heightAbove) &&
			(y < height - heightAbove)) {
			return true;
		}
		return false;
	}
Returns true if the cursor is allowed past the last character.  This
field always returns false since there is no text.
@return true if the cursor is allowed past the last character
Ghidra/Framework/Docking/src/main/java/docking/widgets/fieldpanel/field/EmptyTextField.java