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Diffstat (limited to 'src/gui/graphicsview/qgraphicssceneevent.cpp')
| -rw-r--r-- | src/gui/graphicsview/qgraphicssceneevent.cpp | 245 |
1 files changed, 0 insertions, 245 deletions
diff --git a/src/gui/graphicsview/qgraphicssceneevent.cpp b/src/gui/graphicsview/qgraphicssceneevent.cpp index 987ae9ae65..97e8e46d4c 100644 --- a/src/gui/graphicsview/qgraphicssceneevent.cpp +++ b/src/gui/graphicsview/qgraphicssceneevent.cpp @@ -275,8 +275,6 @@ QT_BEGIN_NAMESPACE -QString qt_getStandardGestureTypeName(Qt::GestureType type); - class QGraphicsSceneEventPrivate { public: @@ -1678,249 +1676,6 @@ void QGraphicsSceneMoveEvent::setNewPos(const QPointF &pos) d->newPos = pos; } -/*! - \class QGraphicsSceneGestureEvent - \brief The QGraphicsSceneGestureEvent class provides gesture events for - the graphics view framework. - \since 4.6 - \ingroup multimedia - \ingroup graphicsview-api - - QGraphicsSceneGestureEvent extends information provided by - QGestureEvent by adding some convenience functions like - \l{QGraphicsSceneEvent::}{widget()} to get a widget that received - original gesture event, and convenience functions mapToScene(), - mapToItem() for converting positions of the gesture into - QGraphicsScene and QGraphicsItem coordinate system respectively. - - The scene sends the event to the first QGraphicsItem under the - mouse cursor that accepts gestures; a graphics item is set to accept - gestures with \l{QGraphicsItem::}{grabGesture()}. - - \sa QGestureEvent -*/ - -/*! - Constructs a QGraphicsSceneGestureEvent. -*/ -QGraphicsSceneGestureEvent::QGraphicsSceneGestureEvent() - : QGraphicsSceneEvent(QEvent::GraphicsSceneGesture) -{ - setAccepted(false); -} - -/*! - Destroys a QGraphicsSceneGestureEvent. -*/ -QGraphicsSceneGestureEvent::~QGraphicsSceneGestureEvent() -{ -} - -/*! - Returns true if the gesture event contains gesture of specific \a - type; returns false otherwise. -*/ -bool QGraphicsSceneGestureEvent::contains(const QString &type) const -{ - return gesture(type) != 0; -} - -/*! - Returns true if the gesture event contains gesture of specific \a - type; returns false otherwise. -*/ -bool QGraphicsSceneGestureEvent::contains(Qt::GestureType type) const -{ - return contains(qt_getStandardGestureTypeName(type)); -} - -/*! - Returns a list of gesture names that this event contains. -*/ -QList<QString> QGraphicsSceneGestureEvent::gestureTypes() const -{ - return m_gestures.keys(); -} - -/*! - Returns extended information about a gesture of specific \a type. -*/ -const QGesture* QGraphicsSceneGestureEvent::gesture(const QString &type) const -{ - return m_gestures.value(type, 0); -} - -/*! - Returns extended information about a gesture of specific \a type. -*/ -const QGesture* QGraphicsSceneGestureEvent::gesture(Qt::GestureType type) const -{ - return gesture(qt_getStandardGestureTypeName(type)); -} - -/*! - Returns extended information about all gestures in the event. -*/ -QList<QGesture*> QGraphicsSceneGestureEvent::gestures() const -{ - return m_gestures.values(); -} - -/*! - Returns a set of gesture names that used to be executed, but were - cancelled (i.e. they were not finished properly). -*/ -QSet<QString> QGraphicsSceneGestureEvent::cancelledGestures() const -{ - return m_cancelledGestures; -} - -/*! - Sets a list of gesture names \a cancelledGestures that used to be - executed, but were cancelled (i.e. they were not finished - properly). -*/ -void QGraphicsSceneGestureEvent::setCancelledGestures(const QSet<QString> &cancelledGestures) -{ - m_cancelledGestures = cancelledGestures; -} - -/*! - Maps the point \a point, which is in a view coordinate system, to - scene coordinate system, and returns the mapped coordinate. - - A \a point is in coordinate system of the widget that received - gesture event. - - \sa mapToItem(), {The Graphics View Coordinate System} -*/ -QPointF QGraphicsSceneGestureEvent::mapToScene(const QPoint &point) const -{ - if (QGraphicsView *view = qobject_cast<QGraphicsView*>(widget())) - return view->mapToScene(point); - return QPointF(); -} - -/*! - Maps the rectangular \a rect, which is in a view coordinate system, to - scene coordinate system, and returns the mapped coordinate. - - A \a rect is in coordinate system of the widget that received - gesture event. - - \sa mapToItem(), {The Graphics View Coordinate System} -*/ -QPolygonF QGraphicsSceneGestureEvent::mapToScene(const QRect &rect) const -{ - if (QGraphicsView *view = qobject_cast<QGraphicsView*>(widget())) - return view->mapToScene(rect); - return QPolygonF(); -} - -/*! - Maps the point \a point, which is in a view coordinate system, to - item's \a item coordinate system, and returns the mapped coordinate. - - If \a item is 0, this function returns the same as mapToScene(). - - \sa mapToScene(), {The Graphics View Coordinate System} -*/ -QPointF QGraphicsSceneGestureEvent::mapToItem(const QPoint &point, QGraphicsItem *item) const -{ - if (item) { - if (QGraphicsView *view = qobject_cast<QGraphicsView*>(widget())) - return item->mapFromScene(view->mapToScene(point)); - } else { - return mapToScene(point); - } - return QPointF(); -} - -/*! - Maps the rectangualar \a rect, which is in a view coordinate system, to - item's \a item coordinate system, and returns the mapped coordinate. - - If \a item is 0, this function returns the same as mapToScene(). - - \sa mapToScene(), {The Graphics View Coordinate System} -*/ -QPolygonF QGraphicsSceneGestureEvent::mapToItem(const QRect &rect, QGraphicsItem *item) const -{ - if (item) { - if (QGraphicsView *view = qobject_cast<QGraphicsView*>(widget())) - return item->mapFromScene(view->mapToScene(rect)); - } else { - return mapToScene(rect); - } - return QPolygonF(); -} - -/*! - Set a list of gesture objects containing extended information about \a gestures. -*/ -void QGraphicsSceneGestureEvent::setGestures(const QList<QGesture*> &gestures) -{ - foreach(QGesture *g, gestures) - m_gestures.insert(g->type(), g); -} - -/*! - Set a list of gesture objects containing extended information about \a gestures. -*/ -void QGraphicsSceneGestureEvent::setGestures(const QSet<QGesture*> &gestures) -{ - foreach(QGesture *g, gestures) - m_gestures.insert(g->type(), g); -} - -/*! - Sets the accept flag of the all gestures inside the event object, - the equivalent of calling \l{QEvent::accept()}{accept()} or - \l{QEvent::setAccepted()}{setAccepted(true)}. - - Setting the accept parameter indicates that the event receiver - wants the gesture. Unwanted gestures might be propagated to the parent - widget. -*/ -void QGraphicsSceneGestureEvent::acceptAll() -{ - QHash<QString, QGesture*>::iterator it = m_gestures.begin(), - e = m_gestures.end(); - for(; it != e; ++it) - it.value()->accept(); - setAccepted(true); -} - -/*! - Sets the accept flag of the specified gesture inside the event - object, the equivalent of calling - \l{QGestureEvent::gesture()}{gesture(type)}->\l{QGesture::accept()}{accept()} - - Setting the accept parameter indicates that the event receiver - wants the gesture. Unwanted gestures might be propagated to the parent - widget. -*/ -void QGraphicsSceneGestureEvent::accept(Qt::GestureType type) -{ - if (QGesture *g = m_gestures.value(qt_getStandardGestureTypeName(type), 0)) - g->accept(); -} - -/*! - Sets the accept flag of the specified gesture inside the event - object, the equivalent of calling - \l{QGestureEvent::gesture()}{gesture(type)}->\l{QGesture::accept()}{accept()} - - Setting the accept parameter indicates that the event receiver - wants the gesture. Unwanted gestures might be propagated to the parent - widget. -*/ -void QGraphicsSceneGestureEvent::accept(const QString &type) -{ - if (QGesture *g = m_gestures.value(type, 0)) - g->accept(); -} - QT_END_NAMESPACE #endif // QT_NO_GRAPHICSVIEW |