public void setPopupPlacer(PopupWindowPlacer popupWindowPlacer) {
		this.popupWindowPlacer = popupWindowPlacer;
	}
Sets the object that decides where to place the popup window. 
@param popupWindowPlacer the placer
Ghidra/Features/Base/src/main/java/ghidra/app/plugin/core/hover/AbstractHoverProvider.java