qgraphicssceneevent.cpp

奇趣公司比较新的qt/emd版本

{
    Q_D(QGraphicsSceneMouseEvent);
    d->lastPos = pos;
}

/*!
    Returns the last recorded mouse cursor position in scene 
    coordinates. The last recorded position is the position of
    the previous mouse event received by the view that created
    the event.

    \sa lastPos(), lastScreenPos(), scenePos()
*/
QPointF QGraphicsSceneMouseEvent::lastScenePos() const
{
    Q_D(const QGraphicsSceneMouseEvent);
    return d->lastScenePos;
}

/*!
    \internal
*/
void QGraphicsSceneMouseEvent::setLastScenePos(const QPointF &pos)
{
    Q_D(QGraphicsSceneMouseEvent);
    d->lastScenePos = pos;
}

/*!
    Returns the last recorded mouse cursor position in screen 
    coordinates. The last recorded position is the position of
    the previous mouse event received by the view that created
    the event.

    \sa lastPos(), lastScenePos(), screenPos()
*/
QPoint QGraphicsSceneMouseEvent::lastScreenPos() const
{
    Q_D(const QGraphicsSceneMouseEvent);
    return d->lastScreenPos;
}

/*!
    \internal
*/
void QGraphicsSceneMouseEvent::setLastScreenPos(const QPoint &pos)
{
    Q_D(QGraphicsSceneMouseEvent);
    d->lastScreenPos = pos;
}

/*!
    Returns the combination of mouse buttons that were pressed at the
    time the event was sent.

    \sa button(), modifiers()
*/
Qt::MouseButtons QGraphicsSceneMouseEvent::buttons() const
{
    Q_D(const QGraphicsSceneMouseEvent);
    return d->buttons;
}

/*!
    \internal
*/
void QGraphicsSceneMouseEvent::setButtons(Qt::MouseButtons buttons)
{
    Q_D(QGraphicsSceneMouseEvent);
    d->buttons = buttons;
}

/*!
    Returns the mouse button (if any) that caused the event.

    \sa buttons(), modifiers()
*/
Qt::MouseButton QGraphicsSceneMouseEvent::button() const
{
    Q_D(const QGraphicsSceneMouseEvent);
    return d->button;
}

/*!
    \internal
*/
void QGraphicsSceneMouseEvent::setButton(Qt::MouseButton button)
{
    Q_D(QGraphicsSceneMouseEvent);
    d->button = button;
}

/*!
    Returns the keyboard modifiers in use at the time the event was
    sent.

    \sa buttons(), button()
*/
Qt::KeyboardModifiers QGraphicsSceneMouseEvent::modifiers() const
{
    Q_D(const QGraphicsSceneMouseEvent);
    return d->modifiers;
}

/*!
    \internal
*/
void QGraphicsSceneMouseEvent::setModifiers(Qt::KeyboardModifiers modifiers)
{
    Q_D(QGraphicsSceneMouseEvent);
    d->modifiers = modifiers;
}

class QGraphicsSceneWheelEventPrivate : public QGraphicsSceneEventPrivate
{
    Q_DECLARE_PUBLIC(QGraphicsSceneWheelEvent)
public:
    inline QGraphicsSceneWheelEventPrivate()
        : buttons(0), modifiers(0), delta(0), orientation(Qt::Horizontal)
    { }

    QPointF pos;
    QPointF scenePos;
    QPoint screenPos;
    Qt::MouseButtons buttons;
    Qt::KeyboardModifiers modifiers;
    int delta;
    Qt::Orientation orientation;
};

/*!
    \internal

    Constructs a QGraphicsSceneWheelEvent of type \a type, which
    is always QEvent::GraphicsSceneWheel.
*/
QGraphicsSceneWheelEvent::QGraphicsSceneWheelEvent(Type type)
    : QGraphicsSceneEvent(*new QGraphicsSceneWheelEventPrivate, type)
{
}

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

/*!
    Returns the position of the cursor in item coordinates when the
    wheel event occurred.

    \sa scenePos(), screenPos()
*/
QPointF QGraphicsSceneWheelEvent::pos() const
{
    Q_D(const QGraphicsSceneWheelEvent);
    return d->pos;
}

/*!
    \internal
*/
void QGraphicsSceneWheelEvent::setPos(const QPointF &pos)
{
    Q_D(QGraphicsSceneWheelEvent);
    d->pos = pos;
}

/*!
    Returns the position of the cursor in item coordinates when the wheel
    event occurred.

    \sa pos(), screenPos()
*/
QPointF QGraphicsSceneWheelEvent::scenePos() const
{
    Q_D(const QGraphicsSceneWheelEvent);
    return d->scenePos;
}

/*!
    \internal
*/
void QGraphicsSceneWheelEvent::setScenePos(const QPointF &pos)
{
    Q_D(QGraphicsSceneWheelEvent);
    d->scenePos = pos;
}

/*!
    Returns the position of the cursor in screen coordinates when the wheel
    event occurred.

    \sa pos(), scenePos()
*/
QPoint QGraphicsSceneWheelEvent::screenPos() const
{
    Q_D(const QGraphicsSceneWheelEvent);
    return d->screenPos;
}

/*!
    \internal
*/
void QGraphicsSceneWheelEvent::setScreenPos(const QPoint &pos)
{
    Q_D(QGraphicsSceneWheelEvent);
    d->screenPos = pos;
}

/*!
    Returns the mouse buttons that were pressed when the wheel event occurred.

    \sa modifiers()
*/
Qt::MouseButtons QGraphicsSceneWheelEvent::buttons() const
{
    Q_D(const QGraphicsSceneWheelEvent);
    return d->buttons;
}

/*!
    \internal
*/
void QGraphicsSceneWheelEvent::setButtons(Qt::MouseButtons buttons)
{
    Q_D(QGraphicsSceneWheelEvent);
    d->buttons = buttons;
}

/*!
    Returns the keyboard modifiers that were active when the wheel event
    occurred.

    \sa buttons()
*/
Qt::KeyboardModifiers QGraphicsSceneWheelEvent::modifiers() const
{
    Q_D(const QGraphicsSceneWheelEvent);
    return d->modifiers;
}

/*!
    \internal
*/
void QGraphicsSceneWheelEvent::setModifiers(Qt::KeyboardModifiers modifiers)
{
    Q_D(QGraphicsSceneWheelEvent);
    d->modifiers = modifiers;
}

/*!
    Returns the distance that the wheel is rotated, in eighths (1/8s)
    of a degree. A positive value indicates that the wheel was
    rotated forwards away from the user; a negative value indicates
    that the wheel was rotated backwards toward the user.

    Most mouse types work in steps of 15 degrees, in which case the delta
    value is a multiple of 120 (== 15 * 8).
*/
int QGraphicsSceneWheelEvent::delta() const
{
    Q_D(const QGraphicsSceneWheelEvent);
    return d->delta;
}

/*!
    \internal
*/
void QGraphicsSceneWheelEvent::setDelta(int delta)
{
    Q_D(QGraphicsSceneWheelEvent);
    d->delta = delta;
}

/*!
    Returns the wheel orientation.
*/
Qt::Orientation QGraphicsSceneWheelEvent::orientation() const
{
    Q_D(const QGraphicsSceneWheelEvent);
    return d->orientation;
}

/*!
    \internal
*/
void QGraphicsSceneWheelEvent::setOrientation(Qt::Orientation orientation)
{
    Q_D(QGraphicsSceneWheelEvent);
    d->orientation = orientation;
}

class QGraphicsSceneContextMenuEventPrivate : public QGraphicsSceneEventPrivate
{
    Q_DECLARE_PUBLIC(QGraphicsSceneContextMenuEvent)
        public:
    inline QGraphicsSceneContextMenuEventPrivate()
        : modifiers(0), reason(QGraphicsSceneContextMenuEvent::Other)
        { }

    QPointF pos;
    QPointF scenePos;
    QPoint screenPos;
    Qt::KeyboardModifiers modifiers;
    QGraphicsSceneContextMenuEvent::Reason reason;
};

/*!
    \internal

    Constructs a graphics scene context menu event of the specified \a type.
*/
QGraphicsSceneContextMenuEvent::QGraphicsSceneContextMenuEvent(Type type)
    : QGraphicsSceneEvent(*new QGraphicsSceneContextMenuEventPrivate, type)
{
}

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

/*!
    Returns the position of the mouse cursor in item coordinates at the moment
    the the context menu was requested.

    \sa scenePos(), screenPos()
*/
QPointF QGraphicsSceneContextMenuEvent::pos() const
{
    Q_D(const QGraphicsSceneContextMenuEvent);
    return d->pos;
}

/*!
    \fn void QGraphicsSceneContextMenuEvent::setPos(const QPointF &point)
    \internal

    Sets the position associated with the context menu to the given \a point
    in item coordinates.
*/
void QGraphicsSceneContextMenuEvent::setPos(const QPointF &pos)
{
    Q_D(QGraphicsSceneContextMenuEvent);
    d->pos = pos;
}

/*!
    Returns the position of the mouse cursor in scene coordinates at the moment the
    the context menu was requested.

    \sa pos(), screenPos()
*/
QPointF QGraphicsSceneContextMenuEvent::scenePos() const
{
    Q_D(const QGraphicsSceneContextMenuEvent);
    return d->scenePos;
}

/*!
    \fn void QGraphicsSceneContextMenuEvent::setScenePos(const QPointF &point)
    \internal

    Sets the position associated with the context menu to the given \a point
    in scene coordinates.
*/
void QGraphicsSceneContextMenuEvent::setScenePos(const QPointF &pos)
{
    Q_D(QGraphicsSceneContextMenuEvent);
    d->scenePos = pos;
}

/*!
    Returns the position of the mouse cursor in screen coordinates at the moment the
    the context menu was requested.

    \sa pos(), scenePos()
*/
QPoint QGraphicsSceneContextMenuEvent::screenPos() const
{
    Q_D(const QGraphicsSceneContextMenuEvent);
    return d->screenPos;
}

/*!
    \fn void QGraphicsSceneContextMenuEvent::setScreenPos(const QPoint &point)
    \internal

    Sets the position associated with the context menu to the given \a point
    in screen coordinates.
*/
void QGraphicsSceneContextMenuEvent::setScreenPos(const QPoint &pos)
{
    Q_D(QGraphicsSceneContextMenuEvent);
    d->screenPos = pos;
}

/*!
    Returns the keyboard modifiers in use when the context menu was requested.
*/
Qt::KeyboardModifiers QGraphicsSceneContextMenuEvent::modifiers() const
{
    Q_D(const QGraphicsSceneContextMenuEvent);
    return d->modifiers;
}

/*!
    \internal

    Sets the keyboard modifiers associated with the context menu to the \a
    modifiers specified.
*/
void QGraphicsSceneContextMenuEvent::setModifiers(Qt::KeyboardModifiers modifiers)
{
    Q_D(QGraphicsSceneContextMenuEvent);
    d->modifiers = modifiers;
}

/*!
    Returns the reason for the context menu event.

    \sa QGraphicsSceneContextMenuEvent::Reason
*/
QGraphicsSceneContextMenuEvent::Reason QGraphicsSceneContextMenuEvent::reason() const
{
    Q_D(const QGraphicsSceneContextMenuEvent);
    return d->reason;
}

/*!
    \internal
    Sets the reason for the context menu event to \a reason.

    \sa reason()
*/
void QGraphicsSceneContextMenuEvent::setReason(Reason reason)
{
    Q_D(QGraphicsSceneContextMenuEvent);
    d->reason = reason;
}

class QGraphicsSceneHoverEventPrivate : public QGraphicsSceneEventPrivate
{
public:
    QPointF pos;
    QPointF scenePos;
    QPoint screenPos;
};

/*!
    \internal

    Constructs a graphics scene hover event of the specified \a type.
*/
QGraphicsSceneHoverEvent::QGraphicsSceneHoverEvent(Type type)
    : QGraphicsSceneEvent(*new QGraphicsSceneHoverEventPrivate, type)
{
}

/*!
    Destroys the event.
*/