qicon.h File Reference

#include <QtCore/qglobal.h>
#include <QtCore/qsize.h>
#include <QtCore/qlist.h>
#include <QtGui/qpixmap.h>

Go to the source code of this file.

Classes
class	QIcon
	The QIcon class provides scalable icons in different modes and states. More...

Functions
Q_GUI_EXPORT QDataStream &	operator<< (QDataStream &, const QIcon &)
Q_GUI_EXPORT QDataStream &	operator>> (QDataStream &, QIcon &)
	Q_DECLARE_TYPEINFO (QIcon, Q_MOVABLE_TYPE)

Function Documentation

operator<<()

Q_GUI_EXPORT QDataStream& operator<<	(	QDataStream &	,
		const QIcon &
	)

Definition at line 1096 of file qicon.cpp.

Referenced by QIcon::data_ptr().

{
    if (s.version() >= QDataStream::Qt_4_3) {
        if (icon.isNull()) {
            s << QString();
        } else {
            if (icon.d->engine_version > 1) {
                QIconEngineV2 *engine = static_cast<QIconEngineV2 *>(icon.d->engine);
                s << engine->key();
                engine->write(s);
            } else {
                // not really supported
                qWarning("QIcon: Cannot stream QIconEngine. Use QIconEngineV2 instead.");
            }
        }
    } else if (s.version() == QDataStream::Qt_4_2) {
        if (icon.isNull()) {
            s << 0;
        } else {
            QPixmapIconEngine *engine = static_cast<QPixmapIconEngine *>(icon.d->engine);
            int num_entries = engine->pixmaps.size();
            s << num_entries;
            for (int i=0; i < num_entries; ++i) {
                s << engine->pixmaps.at(i).pixmap;
                s << engine->pixmaps.at(i).fileName;
                s << engine->pixmaps.at(i).size;
                s << (uint) engine->pixmaps.at(i).mode;
                s << (uint) engine->pixmaps.at(i).state;
            }
        }
    } else {
        s << QPixmap(icon.pixmap(22,22));
    }
    return s;
}

operator>>()

Q_GUI_EXPORT QDataStream& operator>>	(	QDataStream &	,
		QIcon &
	)

Definition at line 1144 of file qicon.cpp.

Referenced by QIcon::data_ptr().

{
    if (s.version() >= QDataStream::Qt_4_3) {
        icon = QIcon();
        QString key;
        s >> key;
        if (key == QLatin1String("QPixmapIconEngine")) {
            icon.d = new QIconPrivate;
            QIconEngineV2 *engine = new QPixmapIconEngine;
            icon.d->engine = engine;
            engine->read(s);
        } else if (key == QLatin1String("QIconLoaderEngine")) {
            icon.d = new QIconPrivate;
            QIconEngineV2 *engine = new QIconLoaderEngine();
            icon.d->engine = engine;
            engine->read(s);
#if !defined (QT_NO_LIBRARY) && !defined(QT_NO_SETTINGS)
        } else if (QIconEngineFactoryInterfaceV2 *factory = qobject_cast<QIconEngineFactoryInterfaceV2*>(loaderV2()->instance(key))) {
            if (QIconEngineV2 *engine= factory->create()) {
                icon.d = new QIconPrivate;
                icon.d->engine = engine;
                engine->read(s);
            }
#endif
        }
    } else if (s.version() == QDataStream::Qt_4_2) {
        icon = QIcon();
        int num_entries;
        QPixmap pm;
        QString fileName;
        QSize sz;
        uint mode;
        uint state;

        s >> num_entries;
        for (int i=0; i < num_entries; ++i) {
            s >> pm;
            s >> fileName;
            s >> sz;
            s >> mode;
            s >> state;
            if (pm.isNull())
                icon.addFile(fileName, sz, QIcon::Mode(mode), QIcon::State(state));
            else
                icon.addPixmap(pm, QIcon::Mode(mode), QIcon::State(state));
        }
    } else {
        QPixmap pm;
        s >> pm;
        icon.addPixmap(pm);
    }
    return s;
}

Q_DECLARE_TYPEINFO()

Q_DECLARE_TYPEINFO	(	QIcon	,
		Q_MOVABLE_TYPE
	)

Referenced by QIcon::data_ptr().