Windows-4.7.4/src/gui/symbian/qsymbianevent.cpp

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#include "qsymbianevent.h"

QT_BEGIN_NAMESPACE

/*!
    \class QSymbianEvent
    \brief The QSymbianEvent class contains a Symbian event of any type.
    \since 4.6

    The class is used as a generic container type for all types of Symbian
    events.

    \note This class is only available on Symbian.

    \sa QApplication::symbianEventFilter()
*/

/*!
    \enum QSymbianEvent::Type

    \value InvalidEvent        The event is not valid.
    \value WindowServerEvent   Indicates an event of type \c TWsEvent.
    \value CommandEvent        Indicates that the event is a Symbian command.
    \value ResourceChangeEvent Indicates that the event is a Symbian resource change type.
*/

/*!
    \fn QSymbianEvent::type() const

    Returns the event type contained in the QSymbianEvent instance.
*/

/*!
    \fn QSymbianEvent::isValid() const

    Returns whether this QSymbianEvent instance contains a valid event.
*/

/*!
    Constructs a QSymbianEvent containing the given window server event
    \a windowServerEvent.
*/
QSymbianEvent::QSymbianEvent(const TWsEvent *windowServerEvent)
    : m_type(WindowServerEvent)
    , m_eventPtr(windowServerEvent)
{
}

/*!
    Constructs a QSymbianEvent containing the given event value
    \a value. The type of event is controlled by the \a eventType parameter.
*/
QSymbianEvent::QSymbianEvent(QSymbianEvent::Type eventType, int value)
{
    switch (eventType) {
    case CommandEvent:
    case ResourceChangeEvent:
        m_type = eventType;
        m_eventValue = value;
        break;
    default:
        m_type = InvalidEvent;
        m_eventValue = 0;
        break;
    }
}

/*!
    Destroys the QSymbianEvent.
*/
QSymbianEvent::~QSymbianEvent()
{
}

/*!
    Returns the window server event contained in the class instance, or 0 if the event type
    is not \c WindowServerEvent.
*/
const TWsEvent *QSymbianEvent::windowServerEvent() const
{
    return (m_type == WindowServerEvent) ? static_cast<const TWsEvent *>(m_eventPtr) : 0;
}

/*!
    Returns the command contained in the class instance, or 0 if the event type
    is not \c CommandEvent.
*/
int QSymbianEvent::command() const
{
    return (m_type == CommandEvent) ? m_eventValue : 0;
}

/*!
    Returns the resource change type contained in the class instance, or 0 if the event type
    is not \c ResourceChangeEvent.
*/
int QSymbianEvent::resourceChangeType() const
{
    return (m_type == ResourceChangeEvent) ? m_eventValue : 0;
}

QT_END_NAMESPACE