2 * Jalview - A Sequence Alignment Editor and Viewer
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3 * Copyright (C) 2005 AM Waterhouse, J Procter, G Barton, M Clamp, S Searle
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5 * This program is free software; you can redistribute it and/or
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6 * modify it under the terms of the GNU General Public License
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7 * as published by the Free Software Foundation; either version 2
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8 * of the License, or (at your option) any later version.
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10 * This program is distributed in the hope that it will be useful,
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11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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13 * GNU General Public License for more details.
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15 * You should have received a copy of the GNU General Public License
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16 * along with this program; if not, write to the Free Software
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17 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
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20 package jalview.gui;
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22 import javax.swing.*;
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23 import java.awt.event.*;
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27 public class IdwidthAdjuster extends JPanel implements MouseListener, MouseMotionListener
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29 boolean active = false;
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34 public IdwidthAdjuster(AlignmentPanel ap)
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37 java.net.URL url = getClass().getResource("/images/idwidth.gif");
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39 image = java.awt.Toolkit.getDefaultToolkit().createImage(url);
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41 addMouseListener(this);
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42 addMouseMotionListener(this);
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45 public void mousePressed(MouseEvent evt)
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46 { oldX = evt.getX(); }
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48 public void mouseReleased(MouseEvent evt){ active = false; repaint(); }
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49 public void mouseEntered(MouseEvent evt) { active = true; repaint();}
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50 public void mouseExited(MouseEvent evt) { active = false; repaint();}
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51 public void mouseDragged(MouseEvent evt)
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54 Dimension d = ap.idPanel.idCanvas.getPreferredSize();
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55 int dif = evt.getX() - oldX;
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57 if(d.width+dif>20 || dif>0)
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59 ap.idPanel.idCanvas.setPreferredSize(new Dimension(d.width + dif,d.height));
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66 public void mouseMoved(MouseEvent evt) {}
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67 public void mouseClicked(MouseEvent evt) {}
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69 public void paintComponent(Graphics g)
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71 g.setColor(Color.white);
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72 g.fillRect(0,0, getWidth(), getHeight());
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76 g.drawImage(image, getWidth()-20, 2, this);
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