qgraphicssceneevent.cpp

奇趣公司比较新的qt/emd版本

QGraphicsSceneHoverEvent::~QGraphicsSceneHoverEvent()
{
}

/*!
    Returns the position of the mouse cursor in item coordinates at the moment
    the the hover event was sent.

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

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

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

/*!
    Returns the position of the mouse cursor in scene coordinates at the
    moment the the hover event was sent.

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

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

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

/*!
    Returns the position of the mouse cursor in screen coordinates at the
    moment the the hover event was sent.

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

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

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

class QGraphicsSceneHelpEventPrivate : public QGraphicsSceneEventPrivate
{
public:
    QPointF scenePos;
    QPoint screenPos;
};

/*!
    \internal

    Constructs a graphics scene help event of the specified \a type.
*/
QGraphicsSceneHelpEvent::QGraphicsSceneHelpEvent(Type type)
    : QGraphicsSceneEvent(*new QGraphicsSceneHelpEventPrivate, type)
{
}

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

/*!
    Returns the position of the mouse cursor in scene coordinates at the
    moment the the help event was sent.

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

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

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

/*!
    Returns the position of the mouse cursor in screen coordinates at the
    moment the the help event was sent.

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

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

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

class QGraphicsSceneDragDropEventPrivate : public QGraphicsSceneEventPrivate
{
    Q_DECLARE_PUBLIC(QGraphicsSceneDragDropEvent)
public:
    inline QGraphicsSceneDragDropEventPrivate()
        : source(0), mimeData(0)
    { }

    QPointF pos;
    QPointF scenePos;
    QPoint screenPos;
    Qt::MouseButtons buttons;
    Qt::KeyboardModifiers modifiers;
    Qt::DropActions possibleActions;
    Qt::DropAction proposedAction;
    Qt::DropAction dropAction;
    QWidget *source;
    const QMimeData *mimeData;
};

/*!
    \internal

    Constructs a new QGraphicsSceneDragDropEvent of the
    specified \a type. The type can be either
    QEvent::GraphicsSceneDragEnter, QEvent::GraphicsSceneDragLeave,
    QEvent::GraphicsSceneDragMove, or QEvent::GraphicsSceneDrop.
*/
QGraphicsSceneDragDropEvent::QGraphicsSceneDragDropEvent(Type type)
    : QGraphicsSceneEvent(*new QGraphicsSceneDragDropEventPrivate, type)
{
}

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

/*!
    Returns the mouse position of the event relative to the
    view that sent the event.
    
    \sa QGraphicsView, screenPos(), scenePos()
*/
QPointF QGraphicsSceneDragDropEvent::pos() const
{
    Q_D(const QGraphicsSceneDragDropEvent);
    return d->pos;
}

/*!
    \internal
    Sets the position of the mouse to \a pos; this should be
    relative to the widget that generated the event, which normally
    is a QGraphicsView.

    \sa pos(), setScenePos(), setScreenPos()
*/

void QGraphicsSceneDragDropEvent::setPos(const QPointF &pos)
{
    Q_D(QGraphicsSceneDragDropEvent);
    d->pos = pos;
}

/*!
    Returns the position of the mouse in scene coordinates.

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

/*!
    \internal
    Sets the scene position of the mouse to \a pos.

    \sa scenePos(), setScreenPos(), setPos()
*/
void QGraphicsSceneDragDropEvent::setScenePos(const QPointF &pos)
{
    Q_D(QGraphicsSceneDragDropEvent);
    d->scenePos = pos;
}

/*!
    Returns the position of the mouse relative to the screen.

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

/*!
    \internal
    Sets the mouse position relative to the screen to \a pos.

    \sa screenPos(), setScenePos(), setPos()
*/
void QGraphicsSceneDragDropEvent::setScreenPos(const QPoint &pos)
{
    Q_D(QGraphicsSceneDragDropEvent);
    d->screenPos = pos;
}

/*!
    Returns a Qt::MouseButtons value indicating which buttons
    were pressed on the mouse when this mouse event was
    generated.

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

/*!
    \internal
    Sets the mouse buttons that were pressed when the event was
    created to \a buttons.

    \sa Qt::MouseButtons, buttons()
*/
void QGraphicsSceneDragDropEvent::setButtons(Qt::MouseButtons buttons)
{
    Q_D(QGraphicsSceneDragDropEvent);
    d->buttons = buttons;
}

/*!
    Returns the keyboard modifiers that were pressed when the drag
    and drop event was created. 

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

/*!
    \internal
    Sets the keyboard modifiers that were pressed when the event
    was created to \a modifiers.

    \sa Qt::KeyboardModifiers, modifiers()
*/

void QGraphicsSceneDragDropEvent::setModifiers(Qt::KeyboardModifiers modifiers)
{
    Q_D(QGraphicsSceneDragDropEvent);
    d->modifiers = modifiers;
}

/*!
    Returns the possible drop actions that the drag and
    drop can result in.

    \sa Qt::DropActions
*/

Qt::DropActions QGraphicsSceneDragDropEvent::possibleActions() const
{
    Q_D(const QGraphicsSceneDragDropEvent);
    return d->possibleActions;
}

/*!
    \internal
    Sets the possible drop actions that the drag can
    result in to \a actions.

    \sa Qt::DropActions, possibleActions()
*/
void QGraphicsSceneDragDropEvent::setPossibleActions(Qt::DropActions actions)
{
    Q_D(QGraphicsSceneDragDropEvent);
    d->possibleActions = actions;
}

/*!
    Returns the drop action that is proposed, i.e., preferred.
    The action must be one of the possible actions as defined by
    \c possibleActions().

    \sa Qt::DropAction, possibleActions()    
*/

Qt::DropAction QGraphicsSceneDragDropEvent::proposedAction() const
{
    Q_D(const QGraphicsSceneDragDropEvent);
    return d->proposedAction;
}

/*!
    \internal
    Sets the proposed action to \a action. The proposed action
    is a Qt::DropAction that is one of the possible actions as
    given by \c possibleActions().

    \sa proposedAction(), Qt::DropAction, possibleActions()
*/

void QGraphicsSceneDragDropEvent::setProposedAction(Qt::DropAction action)
{
    Q_D(QGraphicsSceneDragDropEvent);
    d->proposedAction = action;
}

/*!
    Sets the proposed action as accepted, i.e, the drop action
    is set to the proposed action. This is equal to:

    \code

    setDropAction(proposedAction());

    \endcode

    When using this function, one should not call \c accept().

    \sa dropAction(), setDropAction(), proposedAction()
*/

void QGraphicsSceneDragDropEvent::acceptProposedAction()
{
    Q_D(QGraphicsSceneDragDropEvent);
    d->dropAction = d->proposedAction;
}

/*!
    Returns the action that was performed in this drag and drop.
    This should be set by the receiver of the drop and is
    returned by QDrag::start().

    \sa setDropAction(), acceptProposedAction()
*/

Qt::DropAction QGraphicsSceneDragDropEvent::dropAction() const
{
    Q_D(const QGraphicsSceneDragDropEvent);
    return d->dropAction;
}

/*!
    This function lets the receiver of the drop set the drop
    action that was performed to \a action, which should be one
    of the
    \l{QGraphicsSceneDragDropEvent::possibleActions()}{possible
    actions}. Call \c accept() in stead of \c
    acceptProposedAction() if you use this function.

    \sa dropAction(), accept(), possibleActions()
*/
void QGraphicsSceneDragDropEvent::setDropAction(Qt::DropAction action)
{
    Q_D(QGraphicsSceneDragDropEvent);
    d->dropAction = action;
}

/*!
    This function returns the QGraphicsView that created the
    QGraphicsSceneDragDropEvent.
*/
QWidget *QGraphicsSceneDragDropEvent::source() const
{
    Q_D(const QGraphicsSceneDragDropEvent);
    return d->source;
}

/*!
    \internal
    This function set the source widget, i.e., the widget that
    created the drop event, to \a source.
*/
void QGraphicsSceneDragDropEvent::setSource(QWidget *source)
{
    Q_D(QGraphicsSceneDragDropEvent);
    d->source = source;
}

/*!
    This function returns the MIME data of the event.
*/
const QMimeData *QGraphicsSceneDragDropEvent::mimeData() const
{
    Q_D(const QGraphicsSceneDragDropEvent);
    return d->mimeData;
}

/*!
    \internal
    This function sets the MIME data for the event.
*/
void QGraphicsSceneDragDropEvent::setMimeData(const QMimeData *data)
{
    Q_D(QGraphicsSceneDragDropEvent);
    d->mimeData = data;
}

#endif // QT_NO_GRAPHICSVIEW