@Override
	public void requestFocus() {
		// no-op
	}
Offsets the given input index.

@param index
		Input index.

@return Offset index based on values in {@link #offsetMap} up until the given index.

@see #handleShortDurationChange(PlainTextChange)
recaf-ui/src/main/java/software/coley/recaf/ui/control/richtext/source/JavaContextActionSupport.java