1/*
2 * Copyright (c) 1997, 2003, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.  Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26package com.sun.java.swing.plaf.motif;
27
28import sun.awt.AppContext;
29
30import javax.swing.*;
31import javax.swing.border.*;
32import javax.swing.plaf.basic.*;
33import java.awt.*;
34import java.awt.event.*;
35import javax.swing.plaf.*;
36
37/**
38 * MotifButton implementation
39 * <p>
40 * <strong>Warning:</strong>
41 * Serialized objects of this class will not be compatible with
42 * future Swing releases.  The current serialization support is appropriate
43 * for short term storage or RMI between applications running the same
44 * version of Swing.  A future release of Swing will provide support for
45 * long term persistence.
46 *
47 * @author Rich Schiavi
48 */
49public class MotifButtonUI extends BasicButtonUI {
50
51    protected Color selectColor;
52
53    private boolean defaults_initialized = false;
54
55    private static final Object MOTIF_BUTTON_UI_KEY = new Object();
56
57    // ********************************
58    //          Create PLAF
59    // ********************************
60    public static ComponentUI createUI(JComponent c) {
61        AppContext appContext = AppContext.getAppContext();
62        MotifButtonUI motifButtonUI =
63                (MotifButtonUI) appContext.get(MOTIF_BUTTON_UI_KEY);
64        if (motifButtonUI == null) {
65            motifButtonUI = new MotifButtonUI();
66            appContext.put(MOTIF_BUTTON_UI_KEY, motifButtonUI);
67        }
68        return motifButtonUI;
69    }
70
71    // ********************************
72    //         Create Listeners
73    // ********************************
74    protected BasicButtonListener createButtonListener(AbstractButton b){
75        return new MotifButtonListener(b);
76    }
77
78    // ********************************
79    //          Install Defaults
80    // ********************************
81    public void installDefaults(AbstractButton b) {
82        super.installDefaults(b);
83        if(!defaults_initialized) {
84            selectColor = UIManager.getColor(getPropertyPrefix() + "select");
85            defaults_initialized = true;
86        }
87        LookAndFeel.installProperty(b, "opaque", Boolean.FALSE);
88    }
89
90    protected void uninstallDefaults(AbstractButton b) {
91        super.uninstallDefaults(b);
92        defaults_initialized = false;
93    }
94
95    // ********************************
96    //          Default Accessors
97    // ********************************
98
99    protected Color getSelectColor() {
100        return selectColor;
101    }
102
103    // ********************************
104    //          Paint Methods
105    // ********************************
106    public void paint(Graphics g, JComponent c) {
107        fillContentArea( g, (AbstractButton)c , c.getBackground() );
108        super.paint(g,c);
109    }
110
111    // Overridden to ensure we don't paint icon over button borders.
112    protected void paintIcon(Graphics g, JComponent c, Rectangle iconRect) {
113        Shape oldClip = g.getClip();
114        Rectangle newClip =
115            AbstractBorder.getInteriorRectangle(c, c.getBorder(), 0, 0,
116                                                c.getWidth(), c.getHeight());
117
118        Rectangle r = oldClip.getBounds();
119        newClip =
120            SwingUtilities.computeIntersection(r.x, r.y, r.width, r.height,
121                                               newClip);
122        g.setClip(newClip);
123        super.paintIcon(g, c, iconRect);
124        g.setClip(oldClip);
125    }
126
127    protected void paintFocus(Graphics g, AbstractButton b, Rectangle viewRect, Rectangle textRect, Rectangle iconRect){
128        // focus painting is handled by the border
129    }
130
131    protected void paintButtonPressed(Graphics g, AbstractButton b) {
132
133        fillContentArea( g, b , selectColor );
134
135    }
136
137    protected void fillContentArea( Graphics g, AbstractButton b, Color fillColor) {
138
139        if (b.isContentAreaFilled()) {
140            Insets margin = b.getMargin();
141            Insets insets = b.getInsets();
142            Dimension size = b.getSize();
143            g.setColor(fillColor);
144            g.fillRect(insets.left - margin.left,
145                       insets.top - margin.top,
146                       size.width - (insets.left-margin.left) - (insets.right - margin.right),
147                       size.height - (insets.top-margin.top) - (insets.bottom - margin.bottom));
148        }
149    }
150}
151