package ij.gui;
import ij.IJ;
import java.awt.*;
import java.awt.event.*;
import java.awt.geom.*;


/** This class, based on Joachim Walter's Image5D package, adds "c", "z" labels 
	 and play-pause icons (T) to the stack and hyperstacks dimension sliders.
 * @author Joachim Walter
 */
public class ScrollbarWithLabel extends Panel implements Adjustable, AdjustmentListener {
	Scrollbar bar;
	private Icon icon;
	private StackWindow stackWindow;
	transient AdjustmentListener adjustmentListener;
	
	public ScrollbarWithLabel() {
	}

	public ScrollbarWithLabel(StackWindow stackWindow, int value, int visible, int minimum, int maximum, char label) {
		super(new BorderLayout(2, 0));
		this.stackWindow = stackWindow;
		bar = new Scrollbar(Scrollbar.HORIZONTAL, value, visible, minimum, maximum);
		icon = new Icon(label);
		add(icon, BorderLayout.WEST);
		add(bar, BorderLayout.CENTER);
		bar.addAdjustmentListener(this);
		addKeyListener(IJ.getInstance()); 
	}
	
	/* (non-Javadoc)
	 * @see java.awt.Component#getPreferredSize()
	 */
	public Dimension getPreferredSize() {
		Dimension dim = new Dimension(0,0);
		int width = bar.getPreferredSize().width;
		Dimension minSize = getMinimumSize();
		if (width