[cp-patches] FYI: new class javax.swing.plaf.metal.MetalComboBoxIcon

[David Gilbert]

I committed this patch to add a missing icon class for the Metal look
and feel:

2005-07-15  David Gilbert  <address@hidden>

        * javax/swing/plaf/metal/MetalComboBoxIcon.java: new file.

Regards,

Dave Gilbert

/* MetalComboBoxButton.java
   Copyright (C) 2005 Free Software Foundation, Inc.

This file is part of GNU Classpath.

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package javax.swing.plaf.metal;

import java.awt.Color;
import java.awt.Component;
import java.awt.Graphics;
import java.io.Serializable;

import javax.swing.Icon;

/**
 * An icon used by the address@hidden MetalComboBoxUI} class.
 */
public class MetalComboBoxIcon implements Icon, Serializable {
  
  /**
   * Creates a new icon.
   */
  public MetalComboBoxIcon() 
  {
    // nothing required.
  }
  
  /**
   * Returns the icon width, which for this icon is 10 pixels.
   * 
   * @return <code>10</code>.
   */
  public int getIconWidth()
  {
    return 10;
  }

  /**
   * Returns the icon height, which for this icon is 5 pixels.
   * 
   * @return <code>5</code>.
   */
  public int getIconHeight()
  {
    return 5;
  }

  /**
   * Paints the icon at the location (x, y).
   * 
   * @param c  the combo box (ignored here).
   * @param g  the graphics device.
   * @param x  the x coordinate.
   * @param y  the y coordinate.
   */
  public void paintIcon(Component c, Graphics g, int x, int y)
  {
    // TODO: work out whether/how the icon changes with different component
    //       states (and also different metal themes)
    Color savedColor = g.getColor();
    g.setColor(Color.black);
    for (int i = 0; i < 5; i++)
      g.drawLine(x + i, y + i, x + 9 - i, y + i);
    g.setColor(savedColor);
  }

}