onMouseMotion([callback], [remove])

Class: Panel. Method inherited from UIComponent.

Description:

Gets, registers or unregisters a mouse motion event handler function.

Parameters:

Name	Type	Default	Description
`[callback]`	function		The event handler function that receives a MouseMotionEvent object. Pass `null` to unregister all handler functions.
`[remove]`	boolean	false	Set to `true` to unregister the event handler.

Returns:

An array of handler functions if no arguments are passed, otherwise this component for method chaining.

Type: this | Array.<function()>

Examples:

// Example event object:
const e = {
  target: object,     // The component that triggered the event.
  type: string,       // `move` or `drag`.
  button: number,     // Button number. One of MouseButton enum values. Present when applicable.
  modifiers: number,  // Keyboard modifiers (bitmask or flags).
  x: number,          // Mouse x position relative to component
  y: number,          // Mouse y position relative to component
  screenX: number,    // Mouse x position relative to default screen
  screenY: number,    // Mouse y position relative to default screen
};

Also See:

MouseMotionEvent