/* 
 * XPixButton.java --
 *
 *      button with a picture and a label.
 *
 * Copyright 1996 Regents of the University of California
 * Permission to use, copy, modify, and distribute this
 * software and its documentation for any purpose and without
 * fee is hereby granted, provided that this copyright
 * notice appears in all copies.  The University of California
 * makes no representations about the suitability of this
 * software for any purpose.  It is provided "as is" without
 * express or implied warranty.
 *
 * rcsid = "$Header: /disks/barad-dur/now/rywang/src/java/classes/ryw/XPict.java,v 1.1 1995/09/27 07:33:22 rywang Exp $ xFS (Berkeley)"
 */

package ryw;

import java.awt.*;
import java.awt.image.*;


/**
 * A button with a picture and a label.
 * I can't extend the Button object because it's too closely tied to
 * its peer implementation.
 */
public class XPixButton extends Canvas {
    protected Image   image;
    protected boolean down;
    protected String  label;

    
    public XPixButton (String label, Image image) {
	this.label = label;
	this.image = image;
    }

    
    public String getLabel () {
	return label;
    }

    
    public void paint (Graphics g) {
	Rectangle bounds = bounds ();
	Font font = g.getFont ();
	Font newFont;
	FontMetrics fm;
	String label = getLabel ();
	
	g.setColor (down ? Color.gray : Color.lightGray);
	g.fill3DRect (0, 0, bounds.width, bounds.height, !down);
	
	g.setFont (newFont = new Font (font.getName  (),
				       font.BOLD,
				       36));
	g.setColor (down ? Color.yellow : Color.blue);

	g.drawImage (image, 0, 0, this);

	fm = g.getFontMetrics (newFont);
	g.drawString (label,
		      (bounds.width - fm.stringWidth (label)) / 2 - 6,
		      40);
    }

    
    public void setDown(boolean down) {
	if (down != this.down) {
	    this.down = down;
	    repaint ();
	}
    }


    public void pop () {
	if (!down)
	    return;

	down = false;
	repaint ();
    }
    
    
    public boolean mouseDown (Event ev, int x, int y) {
	String event;
	
	if (!inside (x, y))
	    return true;

	event = down ? "off" : "on";
	setDown (!down);
	getParent ().action (ev, event);
	return true;
    }

    
    public boolean mouseDrag(Event ev, int x, int y) {
	return true;
    }

    
    public boolean mouseUp(Event ev, int x, int y) {
	return true;
    }
}