TabbedImpl.java 文件源码

@Override
protected Shape getDropIndication( TopComponent draggedTC, Point location ) {
    location = SwingUtilities.convertPoint( getComponent(), location, getTabDisplayer() );
    Path2D res = new Path2D.Double();
    Rectangle tabRect = getTabDisplayer().dropIndication( draggedTC, location );
    if( null != tabRect ) {
        tabRect = SwingUtilities.convertRectangle( getTabDisplayer(), tabRect, container );
        res.append( tabRect, false );
    }
    res.append( container.getContentArea(), false );
    return res;
}