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MotifSliderUI.java
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1998-06-30
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/*
* @(#)MotifSliderUI.java 1.11 98/02/02
*
* Copyright (c) 1997 Sun Microsystems, Inc. All Rights Reserved.
*
* This software is the confidential and proprietary information of Sun
* Microsystems, Inc. ("Confidential Information"). You shall not
* disclose such Confidential Information and shall use it only in
* accordance with the terms of the license agreement you entered into
* with Sun.
*
* SUN MAKES NO REPRESENTATIONS OR WARRANTIES ABOUT THE SUITABILITY OF THE
* SOFTWARE, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
* IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
* PURPOSE, OR NON-INFRINGEMENT. SUN SHALL NOT BE LIABLE FOR ANY DAMAGES
* SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR DISTRIBUTING
* THIS SOFTWARE OR ITS DERIVATIVES.
*
*/
package com.sun.java.swing.plaf.motif;
import java.awt.*;
import com.sun.java.swing.*;
import com.sun.java.swing.event.*;
import com.sun.java.swing.plaf.*;
import com.sun.java.swing.plaf.basic.BasicSliderUI;
/**
* Motif Slider
* <p>
* Warning: 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 Swing1.0 applications. It will
* not be possible to load serialized Swing1.0 objects with future releases
* of Swing. The JDK1.2 release of Swing will be the compatibility
* baseline for the serialized form of Swing objects.
*
* @version 1.11 02/02/98
* @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;
}
/*
public int getTickSize() {
return 0;
}
*/
/*
public int getTickSpace() {
return 0;
}
*/
public void calculateThumbBounds() {
if(slider.getOrientation() == JSlider.VERTICAL) {
setThumbBounds(getScrollTrackRect().x,
yPositionForValue(slider.getValue()) - getThumbRect().height / 2,
getScrollTrackRect().width,
30);
} else {
setThumbBounds(xPositionForValue(slider.getValue()) - getThumbRect().width / 2,
getScrollTrackRect().y,
30,
getScrollTrackRect().height);
}
}
public void paintFocus(Graphics g) {
}
public void paintTrack(Graphics g) {
}
public void paintThumb(Graphics g) {
Rectangle knobBounds = getThumbRect();
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(0, knobBounds.y-1);
// fill
g.fillRect(x, 1, w, h - 1);
// highlight
g.setColor(getHighlightColor());
g.drawLine(x, 1, x + w - 1, 1); // top
g.drawLine(x, 1, x, h); // left
g.drawLine(x + w/2, 2, x + w/2, h-1); // center
// shadow
g.setColor(getShadowColor());
g.drawLine(x + 1, h, x + w - 1, h); // bottom
g.drawLine(x + w - 1, 1, x + w - 1, h); // right
g.drawLine(x + w/2 - 1, 2, x + w/2 - 1, h); // center
g.translate(0, -(knobBounds.y-1));
} else {
g.translate(knobBounds.x-1, 0);
// fill
g.fillRect(1, y, w - 1, h);
// highlight
g.setColor(getHighlightColor());
g.drawLine(1, y, w, y); // top
g.drawLine(1, y+1, 1, y+h-1); // left
g.drawLine(2, y+h/2, w-1, y+h/2); // center
// shadow
g.setColor(getShadowColor());
g.drawLine(2, y+h-1, w, y+h-1); // bottom
g.drawLine(w, y+h-1, w, y); // right
g.drawLine(2, y+h/2-1, w-1, y+h/2-1); // center
g.translate(-(knobBounds.x-1), 0);
}
}
}