qsignalmapper.cpp

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#include "qsignalmapper.h"
#ifndef QT_NO_SIGNALMAPPER
#include "qhash.h"
#include "qobject_p.h"

QT_BEGIN_NAMESPACE

class QSignalMapperPrivate : public QObjectPrivate
{
    Q_DECLARE_PUBLIC(QSignalMapper)
public:
    void _q_senderDestroyed() {
        Q_Q(QSignalMapper);
        q->removeMappings(q->sender());
    }
    QHash<QObject *, int> intHash;
    QHash<QObject *, QString> stringHash;
    QHash<QObject *, QWidget*> widgetHash;
    QHash<QObject *, QObject*> objectHash;

};


QSignalMapper::QSignalMapper(QObject* parent)
    : QObject(*new QSignalMapperPrivate, parent)
{
}

#ifdef QT3_SUPPORT

QSignalMapper::QSignalMapper(QObject *parent, const char *name)
    : QObject(*new QSignalMapperPrivate, parent)
{
    setObjectName(QString::fromAscii(name));
}
#endif

QSignalMapper::~QSignalMapper()
{
}

void QSignalMapper::setMapping(QObject *sender, int id)
{
    Q_D(QSignalMapper);
    d->intHash.insert(sender, id);
    connect(sender, SIGNAL(destroyed()), this, SLOT(_q_senderDestroyed()));
}

void QSignalMapper::setMapping(QObject *sender, const QString &text)
{
    Q_D(QSignalMapper);
    d->stringHash.insert(sender, text);
    connect(sender, SIGNAL(destroyed()), this, SLOT(_q_senderDestroyed()));
}

void QSignalMapper::setMapping(QObject *sender, QWidget *widget)
{
    Q_D(QSignalMapper);
    d->widgetHash.insert(sender, widget);
    connect(sender, SIGNAL(destroyed()), this, SLOT(_q_senderDestroyed()));
}

void QSignalMapper::setMapping(QObject *sender, QObject *object)
{
    Q_D(QSignalMapper);
    d->objectHash.insert(sender, object);
    connect(sender, SIGNAL(destroyed()), this, SLOT(_q_senderDestroyed()));
}

QObject *QSignalMapper::mapping(int id) const
{
    Q_D(const QSignalMapper);
    return d->intHash.key(id);
}

QObject *QSignalMapper::mapping(const QString &id) const
{
    Q_D(const QSignalMapper);
    return d->stringHash.key(id);
}

QObject *QSignalMapper::mapping(QWidget *widget) const
{
    Q_D(const QSignalMapper);
    return d->widgetHash.key(widget);
}

QObject *QSignalMapper::mapping(QObject *object) const
{
    Q_D(const QSignalMapper);
    return d->objectHash.key(object);
}

void QSignalMapper::removeMappings(QObject *sender)
{
    Q_D(QSignalMapper);

    d->intHash.remove(sender);
    d->stringHash.remove(sender);
    d->widgetHash.remove(sender);
    d->objectHash.remove(sender);
}

void QSignalMapper::map() { map(sender()); }

void QSignalMapper::map(QObject *sender)
{
    Q_D(QSignalMapper);
    if (d->intHash.contains(sender))
        emit mapped(d->intHash.value(sender));
    if (d->stringHash.contains(sender))
        emit mapped(d->stringHash.value(sender));
    if (d->widgetHash.contains(sender))
        emit mapped(d->widgetHash.value(sender));
    if (d->objectHash.contains(sender))
        emit mapped(d->objectHash.value(sender));
}


QT_END_NAMESPACE

#include "moc_qsignalmapper.cpp"

#endif // QT_NO_SIGNALMAPPER