Method onMouseEntered

tools/xsbug/TabsPane.js:202–205

(container, x, y)

		this.changeState(container, this.machine == machine ? 0 : 1);
	}
	onMouseEntered(container, x, y) {
		container.last.visible = !this.machine.broken;
		super.onMouseEntered(container, x, y);
	}
	onMouseExited(container, x, y) {
		container.last.visible = false;
		super.onMouseExited(container, x, y);