diff options
Diffstat (limited to 'src/declarative/graphicsitems/qdeclarativeflickable.cpp')
-rw-r--r-- | src/declarative/graphicsitems/qdeclarativeflickable.cpp | 54 |
1 files changed, 53 insertions, 1 deletions
diff --git a/src/declarative/graphicsitems/qdeclarativeflickable.cpp b/src/declarative/graphicsitems/qdeclarativeflickable.cpp index c0b664f..bf3d88b 100644 --- a/src/declarative/graphicsitems/qdeclarativeflickable.cpp +++ b/src/declarative/graphicsitems/qdeclarativeflickable.cpp @@ -1051,10 +1051,62 @@ void QDeclarativeFlickablePrivate::data_append(QDeclarativeListProperty<QObject> o->setParent(prop->object); } +static inline int children_count_helper(QGraphicsObject *object) +{ + QGraphicsItemPrivate *d = QGraphicsItemPrivate::get(object); + return d->children.count(); +} + +static inline QObject *children_at_helper(QGraphicsObject *object, int index) +{ + QGraphicsItemPrivate *d = QGraphicsItemPrivate::get(object); + if (index >= 0 && index < d->children.count()) + return d->children.at(index)->toGraphicsObject(); + else + return 0; +} + +static inline void children_clear_helper(QGraphicsObject *object) +{ + QGraphicsItemPrivate *d = QGraphicsItemPrivate::get(object); + for (int index = 0 ;index < d->children.count();index++) + QGraphicsItemPrivate::get(d->children.at(index))->setParentItemHelper(0, /*newParentVariant=*/0, /*thisPointerVariant=*/0); +} + +int QDeclarativeFlickablePrivate::data_count(QDeclarativeListProperty<QObject> *prop) +{ + return QDeclarativeItemPrivate::resources_count(prop) + + children_count_helper(static_cast<QDeclarativeFlickablePrivate*>(prop->data)->contentItem); +} + +QObject *QDeclarativeFlickablePrivate::data_at(QDeclarativeListProperty<QObject> *prop, int i) +{ + int resourcesCount = QDeclarativeItemPrivate::resources_count(prop); + if (i < resourcesCount) + return QDeclarativeItemPrivate::resources_at(prop, i); + const int j = i - resourcesCount; + QGraphicsObject *contentObject = static_cast<QDeclarativeFlickablePrivate*>(prop->data)->contentItem; + if (j < children_count_helper(contentObject)) + children_at_helper(contentObject, j); + return 0; +} + +void QDeclarativeFlickablePrivate::data_clear(QDeclarativeListProperty<QObject> *prop) +{ + QDeclarativeItemPrivate::resources_clear(prop); + QGraphicsObject *contentObject = + static_cast<QDeclarativeFlickablePrivate*>(prop->data)->contentItem; + children_clear_helper(contentObject); +} + QDeclarativeListProperty<QObject> QDeclarativeFlickable::flickableData() { Q_D(QDeclarativeFlickable); - return QDeclarativeListProperty<QObject>(this, (void *)d, QDeclarativeFlickablePrivate::data_append); + return QDeclarativeListProperty<QObject>(this, (void *)d, QDeclarativeFlickablePrivate::data_append, + QDeclarativeFlickablePrivate::data_count, + QDeclarativeFlickablePrivate::data_at, + QDeclarativeFlickablePrivate::data_clear + ); } QDeclarativeListProperty<QGraphicsObject> QDeclarativeFlickable::flickableChildren() |