qt-everywhere-src-5.15.1/qt3d/examples/qt3d/audio-visualizer-qml/touchsettings.cpp

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#include "touchsettings.h"
#include <QtGui/QTouchDevice>
#include <QDebug>

TouchSettings::TouchSettings(QObject *parent)
    : QObject(parent)
{
}

bool TouchSettings::isHoverEnabled() const
{
#if defined(Q_OS_IOS) || defined(Q_OS_ANDROID) || defined(Q_OS_QNX) || defined(Q_OS_WINRT)
    return false;
#else
    const auto devices = QTouchDevice::devices();
    bool isTouch = false;
    for (const QTouchDevice *dev : devices)
        if (dev->type() == QTouchDevice::TouchScreen) {
            isTouch = true;
            break;
        }
    bool isMobile = false;
    if (qEnvironmentVariableIsSet("QT_QUICK_CONTROLS_MOBILE")) {
        isMobile = true;
    }
    return !isTouch && !isMobile;
#endif
}