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/*
 * Copyright © 2010 Anthony Towns <aj@erisian.com.au>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; version 2 of the License.
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program; if not, write to the Free Software Foundation, Inc.,
 * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
 */

package altosui;

import java.awt.*;
import java.awt.image.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.event.MouseInputAdapter;
import javax.imageio.ImageIO;
import javax.swing.table.*;
import java.io.*;
import java.util.*;
import java.text.*;

class GrabNDrag extends MouseInputAdapter {
    private JComponent scroll;
    private Point startPt = new Point();

    public GrabNDrag(JComponent parent) {
        scroll = parent;
    }

    public void mousePressed(MouseEvent e) {
        startPt.setLocation(e.getPoint());
    }
    public void mouseDragged(MouseEvent e) {
        int xd = e.getX() - startPt.x;
        int yd = e.getY() - startPt.y;

        Rectangle r = scroll.getVisibleRect();
        r.x -= xd;
        r.y -= yd;
        scroll.scrollRectToVisible(r);
    }
}