@Override
	public void setDisplayed(boolean b) {
		if (!b) {
			super.setDisplayed(b);
			return;
		}

		// this must be before any call that triggers the help system to create its window
		initializeScreenDevice();

		WindowPresentation windowPresentation = getWindowPresentation();
		updateWindowSize(windowPresentation);

		// this has to be before getHelpWindow() or the value returned will be null
		super.setDisplayed(b);

		initializeUIWindowPresentation(windowPresentation);
	}
Construct a new GhidraHelpBroker.
@param hs java help set associated with this help broker
Ghidra/Framework/Help/src/main/java/help/GHelpBroker.java