void setCursorLocation(ByteBlock block, BigInteger index, int column) {

		int modelIndex = -1;
		for (ByteViewerComponent c : viewList) {
			modelIndex = c.setViewerCursorLocation(block, index, column);
		}
		if (modelIndex >= 0) {
			insertionField.setText(block.getLocationRepresentation(index));
		}
	}
Get the current highlight.

@return ByteBlockSelection highlight, or null if there is no highlight
Ghidra/Features/ByteViewer/src/main/java/ghidra/app/plugin/core/byteviewer/ByteViewerPanel.java