Windows-4.7.4/src/corelib/plugin/qpluginloader.h

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#ifndef QPLUGINLOADER_H
#define QPLUGINLOADER_H

#include <QtCore/qlibrary.h>

#if defined(QT_NO_LIBRARY) && defined(Q_OS_WIN)
#undef QT_NO_LIBRARY
#pragma message("QT_NO_LIBRARY is not supported on Windows")
#endif

#ifndef QT_NO_LIBRARY

QT_BEGIN_HEADER

QT_BEGIN_NAMESPACE

QT_MODULE(Core)

class QLibraryPrivate;

class Q_CORE_EXPORT QPluginLoader : public QObject
{
    Q_OBJECT
    Q_PROPERTY(QString fileName READ fileName WRITE setFileName)
    Q_PROPERTY(QLibrary::LoadHints loadHints READ loadHints WRITE setLoadHints)
public:
    explicit QPluginLoader(QObject *parent = 0);
    explicit QPluginLoader(const QString &fileName, QObject *parent = 0);
    ~QPluginLoader();

    QObject *instance();

    static QObjectList staticInstances();

    bool load();
    bool unload();
    bool isLoaded() const;

    void setFileName(const QString &fileName);
    QString fileName() const;

    QString errorString() const;

    void setLoadHints(QLibrary::LoadHints loadHints);
    QLibrary::LoadHints loadHints() const;

private:
    QLibraryPrivate *d;
    bool did_load;
    Q_DISABLE_COPY(QPluginLoader)
};

QT_END_NAMESPACE

QT_END_HEADER

#endif // QT_NO_LIBRARY

#endif //QPLUGINLOADER_H