Ramu 0.7b doc

virtual Clickable.onHoverEnter()

Description

It will be called when the player’s mouse enters the object.

You can test this snippet of code here.

var TXT = new Text("Hover Enter", 10, 10, 200);

class ClickableChild extends Clickable{
   onHoverEnter(){
      TXT.text = "Hover Enter";
  }
  onHoverExit(){
      TXT.text = "Hover Exit";
  }
}

See also Clickable.onHoverExit and Clickable.onHoverStay.