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#include "qbasickeyeventtransition_p.h"

#ifndef QT_NO_STATEMACHINE

#include <QtGui/qevent.h>

#include <qdebug.h>

#include <private/qabstracttransition_p.h>

QT_BEGIN_NAMESPACE

/*!

  \internal

  \class QBasicKeyEventTransition

  \since 4.6

  \ingroup statemachine

  \brief The QBasicKeyEventTransition class provides a transition for Qt key events.

*/

class QBasicKeyEventTransitionPrivate : public QAbstractTransitionPrivate

{

    Q_DECLARE_PUBLIC(QBasicKeyEventTransition)

public:

    QBasicKeyEventTransitionPrivate();

    static QBasicKeyEventTransitionPrivate *get(QBasicKeyEventTransition *q);

    QEvent::Type eventType;

    int key;

    Qt::KeyboardModifiers modifierMask;

};

QBasicKeyEventTransitionPrivate::QBasicKeyEventTransitionPrivate()

{

    eventType = QEvent::None;

    key = 0;

    modifierMask = Qt::NoModifier;

}

QBasicKeyEventTransitionPrivate *QBasicKeyEventTransitionPrivate::get(QBasicKeyEventTransition *q)

{

    return q->d_func();

}

/*!

  Constructs a new key event transition with the given \a sourceState.

*/

QBasicKeyEventTransition::QBasicKeyEventTransition(QState *sourceState)

    : QAbstractTransition(*new QBasicKeyEventTransitionPrivate, sourceState)

{

}

/*!

  Constructs a new event transition for events of the given \a type for the

  given \a key, with the given \a sourceState.

*/

QBasicKeyEventTransition::QBasicKeyEventTransition(QEvent::Type type, int key,

                                                   QState *sourceState)

    : QAbstractTransition(*new QBasicKeyEventTransitionPrivate, sourceState)

{

    Q_D(QBasicKeyEventTransition);

    d->eventType = type;

    d->key = key;

}

/*!

  Constructs a new event transition for events of the given \a type for the

  given \a key, with the given \a modifierMask and \a sourceState.

*/

QBasicKeyEventTransition::QBasicKeyEventTransition(QEvent::Type type, int key,

                                                   Qt::KeyboardModifiers modifierMask,

                                                   QState *sourceState)

    : QAbstractTransition(*new QBasicKeyEventTransitionPrivate, sourceState)

{

    Q_D(QBasicKeyEventTransition);

    d->eventType = type;

    d->key = key;

    d->modifierMask = modifierMask;

}

/*!

  Destroys this event transition.

*/

QBasicKeyEventTransition::~QBasicKeyEventTransition()

{

}

/*!

  Returns the event type that this key event transition is associated with.

*/

QEvent::Type QBasicKeyEventTransition::eventType() const

{

    Q_D(const QBasicKeyEventTransition);

    return d->eventType;

}

/*!

  Sets the event \a type that this key event transition is associated with.

*/

void QBasicKeyEventTransition::setEventType(QEvent::Type type)

{

    Q_D(QBasicKeyEventTransition);

    d->eventType = type;

}

/*!

  Returns the key that this key event transition checks for.

*/

int QBasicKeyEventTransition::key() const

{

    Q_D(const QBasicKeyEventTransition);

    return d->key;

}

/*!

  Sets the key that this key event transition will check for.

*/

void QBasicKeyEventTransition::setKey(int key)

{

    Q_D(QBasicKeyEventTransition);

    d->key = key;

}

/*!

  Returns the keyboard modifier mask that this key event transition checks

  for.

*/

Qt::KeyboardModifiers QBasicKeyEventTransition::modifierMask() const

{

    Q_D(const QBasicKeyEventTransition);

    return d->modifierMask;

}

/*!

  Sets the keyboard modifier mask that this key event transition will check

  for.

*/

void QBasicKeyEventTransition::setModifierMask(Qt::KeyboardModifiers modifierMask)

{

    Q_D(QBasicKeyEventTransition);

    d->modifierMask = modifierMask;

}

/*!

  \reimp

*/

bool QBasicKeyEventTransition::eventTest(QEvent *event)

{

    Q_D(const QBasicKeyEventTransition);

    if (event->type() == d->eventType) {

        QKeyEvent *ke = static_cast<QKeyEvent*>(event);

        return (ke->key() == d->key)

            && ((ke->modifiers() & d->modifierMask) == d->modifierMask);

    }

    return false;

}

/*!

  \reimp

*/

void QBasicKeyEventTransition::onTransition(QEvent *)

{

}

QT_END_NAMESPACE

#endif //QT_NO_STATEMACHINE