qabstractstate.cpp

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#include "qabstractstate.h"

#ifndef QT_NO_STATEMACHINE

#include "qabstractstate_p.h"
#include "qstate.h"
#include "qstate_p.h"
#include "qstatemachine.h"
#include "qstatemachine_p.h"

QT_BEGIN_NAMESPACE

QAbstractStatePrivate::QAbstractStatePrivate(StateType type)
    : stateType(type), isMachine(false), parentState(0)
{
}

QAbstractStatePrivate *QAbstractStatePrivate::get(QAbstractState *q)
{
    return q->d_func();
}

const QAbstractStatePrivate *QAbstractStatePrivate::get(const QAbstractState *q)
{
    return q->d_func();
}

QStateMachine *QAbstractStatePrivate::machine() const
{
    QObject *par = parent;
    while (par != 0) {
        if (QStateMachine *mach = qobject_cast<QStateMachine*>(par))
            return mach;
        par = par->parent();
    }
    return 0;
}

void QAbstractStatePrivate::callOnEntry(QEvent *e)
{
    Q_Q(QAbstractState);
    q->onEntry(e);
}

void QAbstractStatePrivate::callOnExit(QEvent *e)
{
    Q_Q(QAbstractState);
    q->onExit(e);
}

void QAbstractStatePrivate::emitEntered()
{
    Q_Q(QAbstractState);
    emit q->entered();
}

void QAbstractStatePrivate::emitExited()
{
    Q_Q(QAbstractState);
    emit q->exited();
}

QAbstractState::QAbstractState(QState *parent)
    : QObject(*new QAbstractStatePrivate(QAbstractStatePrivate::AbstractState), parent)
{
}

QAbstractState::QAbstractState(QAbstractStatePrivate &dd, QState *parent)
    : QObject(dd, parent)
{
}

QAbstractState::~QAbstractState()
{
}

QState *QAbstractState::parentState() const
{
    Q_D(const QAbstractState);
    if (d->parentState != parent())
        d->parentState = qobject_cast<QState*>(parent());
    return d->parentState;
}

QStateMachine *QAbstractState::machine() const
{
    Q_D(const QAbstractState);
    return d->machine();
}

bool QAbstractState::event(QEvent *e)
{
    return QObject::event(e);
}

QT_END_NAMESPACE

#endif //QT_NO_STATEMACHINE