qt mac和windows複製一張圖片，剪貼板差異

		QKeyEvent* pKeyEvent = dynamic_cast<QKeyEvent*>(event);
        if (pKeyEvent->modifiers() & Qt::ControlModifier && pKeyEvent->key() == Qt::Key_V)
        {
            // Screenshot image
            const QMimeData* pMimeData = qApp->clipboard()->mimeData();
            qDebug() << pMimeData->hasImage();
            if (pMimeData->hasImage())
            {
#ifdef Q_OS_MAC
                QList<QUrl> files = pMimeData->urls();
                if (files.size() != 0)
                {
                    QString file = files.at(0).toLocalFile();
                    if ((PFB::getMimeType(file).compare("image/jpeg") == 0
                            || PFB::getMimeType(file).compare("image/png") == 0))
                    {
                        m_pImageWidget->parserIamge(file);
                    }
                    return true;
                }
#endif
                QVariant data = pMimeData->imageData();
                if (data.type() == QVariant::Image)
                {
                    QImage image = data.value<QImage>();

                    QString strPath = PFB::getCachePath() + "/upload/" + PFB::getUuid() + ".png";
                    if (image.save(strPath))
                        m_pImageWidget->parserIamge(strPath);
                    return true;
                }
            }

            // copy image
            if (pMimeData->hasUrls())
            {
                QList<QUrl> files = pMimeData->urls();
                foreach (QUrl url, files) {
                    QString file = url.toLocalFile();
                    if (m_pImageWidget->imageList().size() < 2 && (PFB::getMimeType(file).compare("image/jpeg") == 0
                            || PFB::getMimeType(file).compare("image/png") == 0))
                    {
                        m_pImageWidget->parserIamge(file);
                    }
                }
                return true;
            }
        }