private void handleMouseClicked() {
		if (listener == null) {
			return;
		}
		for (LabelHistory h : tableModel.getLastSelectedObjects()) {
			listener.addressSelected(program, h.getAddress());
		}
	}
Construct a new history panel

@param program the program
@param list list of LabelHistory objects
@param listener listener that is notified when the user clicks on a
row in the table; null if only label history at a specific address
is being shown, in which case the address column is not displayed.
Ghidra/Features/Base/src/main/java/ghidra/app/plugin/core/label/LabelHistoryPanel.java