/* Copyright (c) 2014 Jesper Öqvist <jesper@llbit.se>
*
* This file is part of Chunky.
*
* Chunky 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, either version 3 of the License, or
* (at your option) any later version.
*
* Chunky 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 Chunky. If not, see <http://www.gnu.org/licenses/>.
*/
package se.llbit.chunky.ui;
import java.awt.Point;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
import javax.swing.JSlider;
import javax.swing.plaf.basic.BasicSliderUI;
/**
* Clicking in the slider track sets the thumb to that position.
*/
@SuppressWarnings("serial")
public class ImprovedSlider extends JSlider {
public ImprovedSlider(int i, int yMax) {
super(i, yMax);
initListener();
}
private void initListener() {
// http://stackoverflow.com/questions/518471/jslider-question-position-after-leftclick
// http://stackoverflow.com/a/936725/1250278
for (MouseListener li: getMouseListeners()) {
removeMouseListener(li);
}
final BasicSliderUI ui = (BasicSliderUI) getUI();
MouseListener li = ui.new TrackListener() {
@Override
public void mousePressed(MouseEvent e) {
followCursor(e);
}
@Override
public boolean shouldScroll(int direction) {
return false;
}
private void followCursor(MouseEvent e) {
Point p = e.getPoint();
setValue(ui.valueForXPosition(p.x));
}
};
addMouseListener(li);
}
}