main.cpp 范例文件

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#include <QApplication>
#include <QDebug>
#include <QDragEnterEvent>
#include <QDropEvent>
#include <QWidget>
#include <qmacpasteboardmime.h>
class VCardMime : public QMacPasteboardMime
{
public:
    VCardMime() : QMacPasteboardMime(MIME_ALL)
    { }
    QString convertorName()
    {
        return QString("VCardMime");
    }
    bool canConvert(const QString &mime, QString flav)
    {
        return mimeFor(flav) == mime;
    }
    QString mimeFor(QString flav)
    {
        if (flav == QString("public.vcard"))
            return QString("application/x-mycompany-VCard");
        return QString();
    }
    QString flavorFor(const QString &mime)
    {
        if (mime == QString("application/x-mycompany-VCard"))
            return QString("public.vcard");
        return QString();
    }
    QVariant convertToMime(const QString &mime, QList<QByteArray> data, QString flav)
    {
        Q_UNUSED(mime);
        Q_UNUSED(flav);
        return QVariant(data.join());
    }
    QList<QByteArray> convertFromMime(const QString &mime, QVariant data, QString flav)
    {
        Q_UNUSED(mime);
        Q_UNUSED(data);
        Q_UNUSED(flav);
        // Todo: implement!
        return QList<QByteArray>();
    }
};
class TestWidget : public QWidget
{
public:
    TestWidget() : QWidget(0)
    {
        vcardMime = new VCardMime();
        setAcceptDrops(true);
    }
    ~TestWidget()
    {
        delete vcardMime;
    }
    void dragEnterEvent(QDragEnterEvent *e)
    {
        e->accept();
    }
    virtual void dropEvent(QDropEvent *e)
    {
        e->accept();
        contentsDropEvent(e);
    }
    void contentsDropEvent(QDropEvent* e)
    {
        if ( e->mimeData()->hasFormat( "application/x-mycompany-VCard" ) )
        {
            QString s = QString( e->mimeData()->data( "application/x-mycompany-VCard" ) );
            // s now contains text of vcard
            qDebug() << "got vcard" << s.count();
            e->acceptProposedAction();
        }
    }
private:
    VCardMime *vcardMime;
};
int main(int argc, char **argv)
{
    QApplication app(argc, argv);
    qRegisterDraggedTypes(QStringList() << QLatin1String("public.vcard"));
    TestWidget wid1;
    wid1.show();
    return app.exec();
}