qgesturerecognizer.cpp

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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
 
#include "qgesturerecognizer.h"
 
#include "private/qgesture_p.h"
#include "private/qgesturemanager_p.h"
#include "private/qapplication_p.h"
 
#ifndef QT_NO_GESTURES
 
QT_BEGIN_NAMESPACE
 
QGestureRecognizer::QGestureRecognizer()
{
}
 
QGestureRecognizer::~QGestureRecognizer()
{
}
 
QGesture *QGestureRecognizer::create(QObject *target)
{
    Q_UNUSED(target);
    return new QGesture;
}
 
void QGestureRecognizer::reset(QGesture *gesture)
{
    if (gesture) {
        QGesturePrivate *d = gesture->d_func();
        d->state = Qt::NoGesture;
        d->hotSpot = QPointF();
        d->sceneHotSpot = QPointF();
        d->isHotSpotSet = false;
    }
}
 
Qt::GestureType QGestureRecognizer::registerRecognizer(QGestureRecognizer *recognizer)
{
    return QGestureManager::instance()->registerGestureRecognizer(recognizer);
}
 
void QGestureRecognizer::unregisterRecognizer(Qt::GestureType type)
{
    auto qAppPriv = QApplicationPrivate::instance();
    if (!qAppPriv)
        return;
    if (!qAppPriv->gestureManager)
        return;
    QGestureManager::instance()->unregisterGestureRecognizer(type);
}
 
QT_END_NAMESPACE
 
#endif // QT_NO_GESTURES