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    <ul> <li><p>AFAIK this could be done, possible by using <a href="http://docs.oracle.com/javase/tutorial/uiswing/misc/timer.html" rel="nofollow noreferrer">Swing Timer</a> and <a href="http://docs.oracle.com/javase/tutorial/uiswing/events/propertychangelistener.html" rel="nofollow noreferrer">PropertyChangeListener</a></p></li> <li><p>maybe there are another notifiers, code must be dealyed on some period, carefully with <code>E</code>(vent)<code>D</code>(ispath)<code>T</code>(hread) </p></li> <li><p>is required to use <a href="http://docs.oracle.com/javase/7/docs/api/javax/swing/SwingUtilities.html#convertMouseEvent%28java.awt.Component,%20java.awt.event.MouseEvent,%20java.awt.Component%29" rel="nofollow noreferrer">SwingUtilities.convertXxx</a> for <code>ToolTip</code> added to <code>JPanel</code>, <code>JPanel</code> which contains, there are added another <code>JComponents</code></p></li> <li><p>for example</p></li> </ul> <p><img src="https://i.stack.imgur.com/gg3vq.jpg" alt="."> <img src="https://i.stack.imgur.com/Fe61A.jpg" alt="enter image description here"></p> <pre><code>import java.awt.*; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.beans.PropertyChangeEvent; import java.beans.PropertyChangeListener; import javax.swing.JFrame; import javax.swing.JPanel; import javax.swing.JToolTip; import javax.swing.Timer; import javax.swing.ToolTipManager; import javax.swing.event.AncestorEvent; import javax.swing.event.AncestorListener; public class DynamicToolTipTest { private JPanel panel = new MyPanel(); private JFrame frame = new JFrame("DynamicToolTipTest"); public DynamicToolTipTest() { ToolTipManager ttm = ToolTipManager.sharedInstance(); ttm.setInitialDelay(200); ttm.setDismissDelay(10000); panel.setToolTipText("Text 1"); final Timer timer = new Timer(50, new ActionListener() { private int id = 1; @Override public void actionPerformed(ActionEvent e) { ++id; panel.setToolTipText("Text " + id); } }); timer.start(); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); frame.add(panel); frame.pack(); frame.setLocation(150, 100); frame.setVisible(true); } public static void main(String[] args) { EventQueue.invokeLater(new Runnable() { @Override public void run() { new DynamicToolTipTest(); } }); } private static final class MyPanel extends JPanel { private static final long serialVersionUID = 1L; @Override public Dimension getPreferredSize() { return new Dimension(300, 200); } @Override public JToolTip createToolTip() { final JToolTip tip = super.createToolTip(); final PropertyChangeListener updater = new PropertyChangeListener() { @Override public void propertyChange(final PropertyChangeEvent e) { if (e.getNewValue() != null) { tip.setTipText((String) e.getNewValue()); tip.repaint(); } } }; tip.addAncestorListener(new AncestorListener() { @Override public void ancestorAdded(AncestorEvent event) { //start listening for tip text changes only after the tip //is displayed, i.e. the tip is added to the component hierarchy MyPanel.this.addPropertyChangeListener(TOOL_TIP_TEXT_KEY, updater); } @Override public void ancestorRemoved(AncestorEvent event) { //stop listening for tip text changes once the tip is no longer //displayed, i.e. the tip is removed from the component hierarchy MyPanel.this.removePropertyChangeListener(TOOL_TIP_TEXT_KEY, updater); } @Override public void ancestorMoved(AncestorEvent event) { } }); return tip; } } } </code></pre>
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    1. CO[see code by using SwingUtilities.convertXxx posted by @Guillaume Polet (on one second period)](http://stackoverflow.com/a/12823177/714968)
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    2. COThanks for your reply. Your code works pretty good, but it does not fit my needs (needs that I described terribly, I must say...). The problem here is that I want that the message remain visible even if the cursor hover other `JComponent`s that have set a specific tooltip. I'll edit answer's title.
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    3. COthis is mentioned, by using SwingUtilities.convertXxx from JComponent to the parent (e.g. JPanel)
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