Force a Java Tooltip to Appear

user_814723 0
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Given a JTextField (or any JComponent for that matter), how would one go about forcing that component's designated tooltip to appear, without any direct input event from the user? In other words, why is there no JComponent.setTooltipVisible(boolean)?

tooltip java
5 Answers

For me works the similar version stated above (instead of Timer I used SwingUtilities and invokeLater approach):

private void showTooltip(Component component)
{
    final ToolTipManager ttm = ToolTipManager.sharedInstance();
    final int oldDelay = ttm.getInitialDelay();
    ttm.setInitialDelay(0);
    ttm.mouseMoved(new MouseEvent(component, 0, 0, 0,
            0, 0, // X-Y of the mouse for the tool tip
            0, false));
    SwingUtilities.invokeLater(new Runnable()
    {
        @Override
        public void run() 
        {
            ttm.setInitialDelay(oldDelay);
        }
    });
}
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