Fix the JToolTip display of JList cells to correspond to after mouse wheel rotation

• download example.jar
• download src.zip
• repository

Code

JList<String> list1 = new JList<String>(model) {
  @Override public void updateUI() {
    super.updateUI();
    setCellRenderer(new TooltipListCellRenderer<>());
  }
};
JScrollPane scroll1 = new JScrollPane(list1);
scroll1.addMouseWheelListener(e -> {
  JScrollPane scrollPane = (JScrollPane) e.getComponent();
  Component view = scrollPane.getViewport().getView();
  MouseEvent event = SwingUtilities.convertMouseEvent(scrollPane, e, view);
  ToolTipManager.sharedInstance().mouseMoved(event);
});

References

• Fix the JToolTip display of JList cells to correspond to after mouse wheel rotation(Japanese)
• Tooltips, the mouse wheel and JScrollPane — oracle-tech