1 // ******************************************************************************
2 //
3 // Title: Force Field X.
4 // Description: Force Field X - Software for Molecular Biophysics.
5 // Copyright: Copyright (c) Michael J. Schnieders 2001-2025.
6 //
7 // This file is part of Force Field X.
8 //
9 // Force Field X is free software; you can redistribute it and/or modify it
10 // under the terms of the GNU General Public License version 3 as published by
11 // the Free Software Foundation.
12 //
13 // Force Field X is distributed in the hope that it will be useful, but WITHOUT
14 // ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
15 // FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
16 // details.
17 //
18 // You should have received a copy of the GNU General Public License along with
19 // Force Field X; if not, write to the Free Software Foundation, Inc., 59 Temple
20 // Place, Suite 330, Boston, MA 02111-1307 USA
21 //
22 // Linking this library statically or dynamically with other modules is making a
23 // combined work based on this library. Thus, the terms and conditions of the
24 // GNU General Public License cover the whole combination.
25 //
26 // As a special exception, the copyright holders of this library give you
27 // permission to link this library with independent modules to produce an
28 // executable, regardless of the license terms of these independent modules, and
29 // to copy and distribute the resulting executable under terms of your choice,
30 // provided that you also meet, for each linked independent module, the terms
31 // and conditions of the license of that module. An independent module is a
32 // module which is not derived from or based on this library. If you modify this
33 // library, you may extend this exception to your version of the library, but
34 // you are not obligated to do so. If you do not wish to do so, delete this
35 // exception statement from your version.
36 //
37 // ******************************************************************************
38 package ffx.ui;
39
40 import java.awt.Component;
41 import java.awt.event.MouseEvent;
42 import java.awt.event.MouseListener;
43 import java.awt.event.MouseMotionListener;
44 import java.io.Serial;
45 import javax.swing.JSplitPane;
46
47 /**
48 * The GraphicsSplitPane is an early attempt at working around issues caused by the heavyweight
49 * Canvas3D inside a lightweight Swing SplitPane. Specifically, users cannot drag the slider toward
50 * the heavyweight Canvas3D.
51 *
52 * @author Michael J. Schnieders
53 */
54 public class GraphicsSplitPane extends JSplitPane implements MouseListener, MouseMotionListener {
55
56 @Serial
57 private static final long serialVersionUID = 1L;
58
59 private boolean mouseClicked = false;
60 private int currentPos = 0;
61
62 /** Constructor for GraphicsSplitPane. */
63 public GraphicsSplitPane() {
64 super();
65 addMouseListener(this);
66 addMouseMotionListener(this);
67 }
68
69 /**
70 * Constructor for GraphicsSplitPane.
71 *
72 * @param orient a int.
73 * @param b a boolean.
74 * @param left a {@link java.awt.Component} object.
75 * @param right a {@link java.awt.Component} object.
76 */
77 public GraphicsSplitPane(int orient, boolean b, Component left, Component right) {
78 super(orient, b, left, right);
79 addMouseListener(this);
80 addMouseMotionListener(this);
81 }
82
83 /** {@inheritDoc} */
84 public void mouseClicked(MouseEvent e) {
85 mouseClicked = true;
86 currentPos = e.getX();
87 }
88
89 /** {@inheritDoc} */
90 public void mouseDragged(MouseEvent e) {
91 if (mouseClicked) {
92 int change = e.getX() - currentPos;
93 setDividerLocation(getDividerLocation() + change);
94 }
95 }
96
97 /** {@inheritDoc} */
98 public void mouseEntered(MouseEvent e) {}
99
100 /** {@inheritDoc} */
101 public void mouseExited(MouseEvent e) {}
102
103 /** {@inheritDoc} */
104 public void mouseMoved(MouseEvent e) {}
105
106 /** {@inheritDoc} */
107 public void mousePressed(MouseEvent e) {}
108
109 /** {@inheritDoc} */
110 public void mouseReleased(MouseEvent e) {
111 mouseClicked = false;
112 }
113 }