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@heuermh
Created February 7, 2014 21:53
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import java.awt.*;
import javax.swing.*;
import javax.swing.border.*;
import javax.swing.event.*;
import rwmidi.*;
public final class SwingSliderMidi extends JPanel implements Runnable {
public SwingSliderMidi() {
super();
setLayout(new BorderLayout());
setBorder(new EmptyBorder(20, 20, 20, 20));
// sends CC out to MIDI device 0
final MidiOutput midiOut = RWMidi.getOutputDevices()[0].createOutput();
final JSlider slider = new JSlider(JSlider.VERTICAL, 0, 127, 0);
slider.setMajorTickSpacing(20);
slider.setMinorTickSpacing(5);
slider.setPaintLabels(true);
slider.setPaintTicks(true);
slider.createStandardLabels(10);
slider.addChangeListener(new ChangeListener() {
@Override
public void stateChanged(final ChangeEvent e) {
midiOut.sendController(0, 0, slider.getValue());
}
});
final JLabel currentValue = new JLabel("Current value: 0");
slider.addChangeListener(new ChangeListener() {
@Override
public void stateChanged(final ChangeEvent e) {
currentValue.setText("Current value: " + slider.getValue());
}
});
add("North", new JLabel("Slider CC 0"));
add("Center", slider);
add("South", currentValue);
}
@Override
public void run() {
JFrame frame = new JFrame("Swing Slider MIDI");
frame.setContentPane(this);
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.setBounds(100, 100, 200, 400);
frame.setVisible(true);
}
public static void main(final String[] args) {
SwingUtilities.invokeLater(new SwingSliderMidi());
}
}
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