TooltipListener.java

package Roguelike.UI;

import Roguelike.Screens.GameScreen;
import com.badlogic.gdx.Game;
import com.badlogic.gdx.math.Vector2;
import com.badlogic.gdx.scenes.scene2d.Actor;
import com.badlogic.gdx.scenes.scene2d.Event;
import com.badlogic.gdx.scenes.scene2d.InputEvent;
import com.badlogic.gdx.scenes.scene2d.InputListener;
import com.badlogic.gdx.scenes.scene2d.ui.Table;

/**
 * Makes a given tooltip actor visible when the actor this listener is attached
 * to was hovered. It will also hide the tooltip when the mouse is not hovering
 * anymore.
 *
 * @author Daniel Holderbaum
 */
public class TooltipListener extends InputListener
{
	private Tooltip tooltip;

	public TooltipListener(Tooltip tooltip)
	{
		this.tooltip = tooltip;
	}

	@Override
	public void enter(InputEvent event, float x, float y, int pointer, Actor fromActor)
	{
		tooltip.show( event, x, y, false );
		tooltip.openTooltip = tooltip;
	}

	@Override
	public boolean mouseMoved (InputEvent event, float x, float y)
	{
		tooltip.show( event, x, y, false );
		tooltip.openTooltip = tooltip;

		return true;
	}

	@Override
	public void exit(InputEvent event, float x, float y, int pointer, Actor toActor)
	{
		tooltip.setVisible(false);
		tooltip.openTooltip = null;
	}

	@Override
	public boolean touchDown (InputEvent event, float x, float y, int pointer, int button)
	{
		return GameScreen.Instance.examineMode;
	}

	@Override
	public void touchUp (InputEvent event, float x, float y, int pointer, int button)
	{
		if (GameScreen.Instance.examineMode)
		{
			tooltip.show( event, x, y, false );
			tooltip.openTooltip = tooltip;
		}
	}
}