PdfList.java 文件源码

@Override
public void mouseWheelMoved(MouseWheelEvent event) {
    if (event.isControlDown() && (getCellRenderer() instanceof PdfCellRenderer)) {
        setThumbnailSize(
            Math.max(10, getThumbnailSize() - zoomSpeed * event.getWheelRotation())
        );
    } else if (getParent() != null) {
        getParent().dispatchEvent(event);
    }
}