/*

 * Copyright (c) 1997, 2014, Oracle and/or its affiliates. All rights reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.  Oracle designates this

 * particular file as subject to the "Classpath" exception as provided

 * by Oracle in the LICENSE file that accompanied this code.

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

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package com.sun.java.swing.plaf.motif;

import java.awt.Dimension;

import java.awt.Graphics;

import java.awt.Rectangle;

import javax.swing.JComponent;

import javax.swing.JSlider;

import javax.swing.plaf.ComponentUI;

import javax.swing.plaf.basic.BasicSliderUI;

import static sun.swing.SwingUtilities2.drawHLine;

import static sun.swing.SwingUtilities2.drawVLine;

/**

 * Motif Slider

 * <p>

 * <strong>Warning:</strong>

 * Serialized objects of this class will not be compatible with

 * future Swing releases.  The current serialization support is appropriate

 * for short term storage or RMI between applications running the same

 * version of Swing.  A future release of Swing will provide support for

 * long term persistence.

 *

 * @author Jeff Dinkins

 */

public class MotifSliderUI extends BasicSliderUI {

    static final Dimension PREFERRED_HORIZONTAL_SIZE = new Dimension(164, 15);

    static final Dimension PREFERRED_VERTICAL_SIZE = new Dimension(15, 164);

    static final Dimension MINIMUM_HORIZONTAL_SIZE = new Dimension(43, 15);

    static final Dimension MINIMUM_VERTICAL_SIZE = new Dimension(15, 43);

    /**

     * MotifSliderUI Constructor

     */

    public MotifSliderUI(JSlider b)   {

        super(b);

    }

    /**

     * create a MotifSliderUI object

     */

    public static ComponentUI createUI(JComponent b)    {

        return new MotifSliderUI((JSlider)b);

    }

    public Dimension getPreferredHorizontalSize() {

        return PREFERRED_HORIZONTAL_SIZE;

    }

    public Dimension getPreferredVerticalSize() {

        return PREFERRED_VERTICAL_SIZE;

    }

    public Dimension getMinimumHorizontalSize() {

        return MINIMUM_HORIZONTAL_SIZE;

    }

    public Dimension getMinimumVerticalSize() {

        return MINIMUM_VERTICAL_SIZE;

    }

    protected Dimension getThumbSize() {

        if ( slider.getOrientation() == JSlider.HORIZONTAL ) {

            return new Dimension( 30, 15 );

        }

        else {

            return new Dimension( 15, 30 );

        }

    }

    public void paintFocus(Graphics g)  {

    }

    public void paintTrack(Graphics g)  {

    }

    public void paintThumb(Graphics g)  {

        Rectangle knobBounds = thumbRect;

        int x = knobBounds.x;

        int y = knobBounds.y;

        int w = knobBounds.width;

        int h = knobBounds.height;

        if ( slider.isEnabled() ) {

            g.setColor(slider.getForeground());

        }

        else {

            // PENDING(jeff) - the thumb should be dithered when disabled

            g.setColor(slider.getForeground().darker());

        }

        if ( slider.getOrientation() == JSlider.HORIZONTAL ) {

            g.translate(x, knobBounds.y-1);

            // fill

            g.fillRect(0, 1, w, h - 1);

            // highlight

            g.setColor(getHighlightColor());

            drawHLine(g, 0, w - 1, 1);      // top

            drawVLine(g, 0, 1, h);          // left

            drawVLine(g, w / 2, 2, h - 1);  // center

            // shadow

            g.setColor(getShadowColor());

            drawHLine(g, 0, w - 1, h);      // bottom

            drawVLine(g, w - 1, 1, h);      // right

            drawVLine(g, w / 2 - 1, 2, h);  // center

            g.translate(-x, -(knobBounds.y-1));

        }

        else {

            g.translate(knobBounds.x-1, 0);

            // fill

            g.fillRect(1, y, w - 1, h);

            // highlight

            g.setColor(getHighlightColor());

            drawHLine(g, 1, w, y);             // top

            drawVLine(g, 1, y + 1, y + h - 1); // left

            drawHLine(g, 2, w - 1, y + h / 2); // center

            // shadow

            g.setColor(getShadowColor());

            drawHLine(g, 2, w, y + h - 1);        // bottom

            drawVLine(g, w, y + h - 1, y);        // right

            drawHLine(g, 2, w - 1, y + h / 2 - 1);// center

            g.translate(-(knobBounds.x-1), 0);

        }

    }

}