lib/packages/core-classes.js
function(event_name, event_object) {

		this._tooltip.set('x', event_object.page.x); // left
		this._tooltip.set('y', event_object.page.y); // top

	}
function(event_name, event_object) {

		this._tooltip.set('x', event_object.page.x); // left
		this._tooltip.set('y', event_object.page.y); // top

	}
function ( event_name , event_object ) { this . _tooltip . set ( 'x' , event_object . page . x ) ; // left this . _tooltip . set ( 'y' , event_object . page . y ) ; // top }
Mouse has changed position. Move tooltip accordingly
@param {string} event_name
@param {Object} event_object
Mouse has changed position . Move tooltip accordingly