Re: Trouble setting JSlider position

e_matthes@hotmail.com wrote:


<code snipped>

perhaps a mouseListener might get you what you want

import javax.swing.*;
import javax.swing.event.*;
class SliderSnapTester extends JFrame //implements ChangeListener
{
  JSlider sliderOne;
  JSlider sliderTwo;
  JTextField sliderOneDisplay = new JTextField(3);
  JTextField sliderTwoDisplay = new JTextField(3);
  public SliderSnapTester()
  {
    super("Slider Snap Tester");
    setSize(500, 200);
    setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    JPanel wholePanel = new JPanel();
    BoxLayout wholePanelLayout = new
BoxLayout(wholePanel,BoxLayout.Y_AXIS);
    wholePanel.setLayout(wholePanelLayout);
    buildSliders();
    JPanel sliderOnePanel = new JPanel();
    BoxLayout sliderOnePanelLayout = new
BoxLayout(sliderOnePanel,BoxLayout.X_AXIS);
    sliderOnePanel.setLayout(sliderOnePanelLayout);
    sliderOnePanel.add(sliderOne);
    sliderOnePanel.add(sliderOneDisplay);
    JPanel sliderTwoPanel = new JPanel();
    BoxLayout sliderTwoPanelLayout = new
BoxLayout(sliderTwoPanel,BoxLayout.X_AXIS);
    sliderTwoPanel.setLayout(sliderTwoPanelLayout);
    sliderTwoPanel.add(sliderTwo);
    sliderTwoPanel.add(sliderTwoDisplay);
    wholePanel.add(sliderOnePanel);
    wholePanel.add(sliderTwoPanel);
    sliderOneDisplay.setText("" + sliderOne.getValue() );
    sliderTwoDisplay.setText("" + sliderTwo.getValue() );
    getContentPane().add(wholePanel);
  }
  private void checkSliderBounds()
  {
    int sliderTwoValue = sliderTwo.getValue();
    int lowerBound = sliderOne.getValue() + 1;// Lowest allowed value
for slider two.
    if (sliderTwoValue < lowerBound)
    {
      sliderTwo.setValue(lowerBound);
    }
    //sliderTwoDisplay.setText("" + sliderTwoValue);
    sliderTwoDisplay.setText("" + sliderTwo.getValue());
    sliderOneDisplay.setText("" + sliderOne.getValue());
  }
  private void buildSliders()
  {
    sliderOne = new JSlider(JSlider.HORIZONTAL, 0, 100, 50);
    sliderTwo = new JSlider(JSlider.HORIZONTAL, 0, 100, 75);
    sliderOne.setMajorTickSpacing(25);
    sliderOne.setMinorTickSpacing(5);
    sliderOne.setPaintTicks(true);
    sliderOne.setPaintLabels(true);
    sliderTwo.setMajorTickSpacing(25);
    sliderTwo.setMinorTickSpacing(5);
    sliderTwo.setPaintTicks(true);
    sliderTwo.setPaintLabels(true);
    //sliderOne.addChangeListener(this);
    //sliderTwo.addChangeListener(this);
    MyMouseListener listener = new MyMouseListener();
    sliderOne.addMouseListener(listener);
    sliderTwo.addMouseListener(listener);
  }
  class MyMouseListener extends java.awt.event.MouseAdapter
  {
    public void mouseReleased(java.awt.event.MouseEvent me)
    {
      checkSliderBounds();
    }
  }
  public static void main(String[] arguments) {new
SliderSnapTester().setVisible(true);}
}