protected boolean shouldShowCursor(MouseEvent e) {
		return isOverVertex(e); // to showing cursor over vertices
	}
Returns true if the location of the mouse event is over a edge
@param e the event
@return true if the location of the mouse event is over a edge
Ghidra/Features/GraphServices/src/main/java/ghidra/graph/visualization/mouse/AbstractJgtGraphMousePlugin.java