@Override
	public void optionsChanged(ToolOptions options, String optionName, Object oldValue,
			Object newValue) throws OptionsVetoException {
		if (optionName.equals(SHOW_TABS_ALWAYS)) {
			tabPanel.setShowTabsAlways((Boolean) newValue);
		}
	}
Plugin to show a "tab" for each open program; the selected tab is the activated program.
Ghidra/Features/Base/src/main/java/ghidra/app/plugin/core/progmgr/MultiTabPlugin.java