public void addButtonPressedListener(ButtonPressedListener listener) {
		for (ListingPanel listingPanel : listingPanels) {
			listingPanel.addButtonPressedListener(listener);
		}
	}
Adds a button press listener.

@param listener the listener to add.
Ghidra/Features/Base/src/main/java/ghidra/app/merge/tool/ListingMergePanel.java