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56 lines (48 loc) · 1.57 KB
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//file: Slippery.java
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.event.*;
public class Slippery {
public static void main(String[] args)
{
JFrame frame = new JFrame("Slippery v1.0");
Container content = frame.getContentPane( ); // unecessary in 1.5+
JPanel main = new JPanel(new GridLayout(2, 1));
JPanel scrollBarPanel = new JPanel();
final JScrollBar scrollBar =
new JScrollBar(JScrollBar.HORIZONTAL, 0, 48, 0, 255);
int height = scrollBar.getPreferredSize( ).height;
scrollBar.setPreferredSize(new Dimension(175, height));
scrollBarPanel.add(scrollBar);
main.add(scrollBarPanel);
JPanel sliderPanel = new JPanel();
final JSlider slider =
new JSlider(JSlider.HORIZONTAL, 0, 255, 128);
slider.setMajorTickSpacing(48);
slider.setMinorTickSpacing(16);
slider.setPaintTicks(true);
sliderPanel.add(slider);
main.add(sliderPanel);
content.add(main, BorderLayout.CENTER);
final JLabel statusLabel =
new JLabel("Welcome to Slippery v1.0");
content.add(statusLabel, BorderLayout.SOUTH);
// wire up the event handlers
scrollBar.addAdjustmentListener(new AdjustmentListener( ) {
public void adjustmentValueChanged(AdjustmentEvent e) {
statusLabel.setText("JScrollBar's current value = "
+ scrollBar.getValue( ));
}
});
slider.addChangeListener(new ChangeListener( ) {
public void stateChanged(ChangeEvent e) {
statusLabel.setText("JSlider's current value = "
+ slider.getValue( ));
}
});
frame.pack();
frame.setDefaultCloseOperation( JFrame.EXIT_ON_CLOSE );
frame.setVisible(true);
}
}