107 lines
3.6 KiB
Java
107 lines
3.6 KiB
Java
/*
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* Copyright (c) 1997, 2014, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation. Oracle designates this
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* particular file as subject to the "Classpath" exception as provided
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* by Oracle in the LICENSE file that accompanied this code.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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package com.sun.java.swing.plaf.motif;
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import java.awt.Dimension;
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import java.awt.Graphics;
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import java.awt.Insets;
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import java.awt.Rectangle;
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import javax.swing.JButton;
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import javax.swing.JComponent;
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import javax.swing.JScrollBar;
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import javax.swing.plaf.ComponentUI;
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import javax.swing.plaf.basic.BasicScrollBarUI;
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import static sun.swing.SwingUtilities2.drawHLine;
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import static sun.swing.SwingUtilities2.drawVLine;
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/**
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* Implementation of ScrollBarUI for the Motif Look and Feel
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* <p>
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* <strong>Warning:</strong>
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* Serialized objects of this class will not be compatible with
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* future Swing releases. The current serialization support is appropriate
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* for short term storage or RMI between applications running the same
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* version of Swing. A future release of Swing will provide support for
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* long term persistence.
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*
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* @author Rich Schiavi
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* @author Hans Muller
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*/
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public class MotifScrollBarUI extends BasicScrollBarUI
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{
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public static ComponentUI createUI(JComponent c) {
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return new MotifScrollBarUI();
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}
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public Dimension getPreferredSize(JComponent c) {
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Insets insets = c.getInsets();
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int dx = insets.left + insets.right;
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int dy = insets.top + insets.bottom;
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return (scrollbar.getOrientation() == JScrollBar.VERTICAL)
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? new Dimension(dx + 11, dy + 33)
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: new Dimension(dx + 33, dy + 11);
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}
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protected JButton createDecreaseButton(int orientation) {
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return new MotifScrollBarButton(orientation);
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}
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protected JButton createIncreaseButton(int orientation) {
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return new MotifScrollBarButton(orientation);
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}
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public void paintTrack(Graphics g, JComponent c, Rectangle trackBounds) {
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g.setColor(trackColor);
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g.fillRect(trackBounds.x, trackBounds.y, trackBounds.width, trackBounds.height);
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}
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public void paintThumb(Graphics g, JComponent c, Rectangle thumbBounds) {
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if (thumbBounds.isEmpty() || !scrollbar.isEnabled()) {
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return;
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}
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int w = thumbBounds.width;
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int h = thumbBounds.height;
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g.translate(thumbBounds.x, thumbBounds.y);
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g.setColor(thumbColor);
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g.fillRect(0, 0, w - 1, h - 1);
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g.setColor(thumbHighlightColor);
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drawVLine(g, 0, 0, h - 1);
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drawHLine(g, 1, w - 1, 0);
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g.setColor(thumbLightShadowColor);
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drawHLine(g, 1, w - 1, h - 1);
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drawVLine(g, w - 1, 1, h - 2);
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g.translate(-thumbBounds.x, -thumbBounds.y);
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}
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}
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