diff options
Diffstat (limited to 'src/declarative/graphicsitems/qdeclarativepathview.cpp')
| -rw-r--r-- | src/declarative/graphicsitems/qdeclarativepathview.cpp | 75 |
1 files changed, 61 insertions, 14 deletions
diff --git a/src/declarative/graphicsitems/qdeclarativepathview.cpp b/src/declarative/graphicsitems/qdeclarativepathview.cpp index 040fc98..207cc25 100644 --- a/src/declarative/graphicsitems/qdeclarativepathview.cpp +++ b/src/declarative/graphicsitems/qdeclarativepathview.cpp @@ -49,6 +49,7 @@ #include <qlistmodelinterface_p.h> #include <QGraphicsSceneEvent> +#include <qmath.h> #include <math.h> QT_BEGIN_NAMESPACE @@ -98,9 +99,8 @@ QDeclarativeItem *QDeclarativePathViewPrivate::getItem(int modelIndex) if (!attType) { // pre-create one metatype to share with all attached objects attType = new QDeclarativeOpenMetaObjectType(&QDeclarativePathViewAttached::staticMetaObject, qmlEngine(q)); - foreach(const QString &attr, path->attributes()) { + foreach(const QString &attr, path->attributes()) attType->createProperty(attr.toUtf8()); - } } qPathViewAttachedType = attType; QDeclarativePathViewAttached *att = static_cast<QDeclarativePathViewAttached *>(qmlAttachedPropertiesObject<QDeclarativePathView>(item)); @@ -280,8 +280,8 @@ void QDeclarativePathViewPrivate::updateItem(QDeclarativeItem *item, qreal perce att->setValue(attr.toUtf8(), path->attributeAt(attr, percent)); } QPointF pf = path->pointAt(percent); - item->setX(pf.x() - item->width()*item->scale()/2); - item->setY(pf.y() - item->height()*item->scale()/2); + item->setX(qRound(pf.x() - item->width()*item->scale()/2)); + item->setY(qRound(pf.y() - item->height()*item->scale()/2)); } void QDeclarativePathViewPrivate::regenerate() @@ -418,7 +418,7 @@ void QDeclarativePathView::setModel(const QVariant &model) d->model = vim; } else { if (!d->ownModel) { - d->model = new QDeclarativeVisualDataModel(qmlContext(this)); + d->model = new QDeclarativeVisualDataModel(qmlContext(this), this); d->ownModel = true; } if (QDeclarativeVisualDataModel *dataModel = qobject_cast<QDeclarativeVisualDataModel*>(d->model)) @@ -471,12 +471,14 @@ void QDeclarativePathView::setPath(QDeclarativePath *path) disconnect(d->path, SIGNAL(changed()), this, SLOT(refill())); d->path = path; connect(d->path, SIGNAL(changed()), this, SLOT(refill())); - d->clear(); - if (d->attType) { - d->attType->release(); - d->attType = 0; + if (d->isValid() && isComponentComplete()) { + d->clear(); + if (d->attType) { + d->attType->release(); + d->attType = 0; + } + d->regenerate(); } - d->regenerate(); emit pathChanged(); } @@ -526,6 +528,33 @@ void QDeclarativePathView::setCurrentIndex(int idx) } /*! + \qmlmethod PathView::incrementCurrentIndex() + + Increments the current index. +*/ +void QDeclarativePathView::incrementCurrentIndex() +{ + setCurrentIndex(currentIndex()+1); +} + + +/*! + \qmlmethod PathView::decrementCurrentIndex() + + Decrements the current index. +*/ +void QDeclarativePathView::decrementCurrentIndex() +{ + Q_D(QDeclarativePathView); + if (d->model && d->model->count()) { + int idx = currentIndex()-1; + if (idx < 0) + idx = d->model->count() - 1; + setCurrentIndex(idx); + } +} + +/*! \qmlproperty real PathView::offset The offset specifies how far along the path the items are from their initial positions. @@ -1119,7 +1148,8 @@ void QDeclarativePathView::refill() while ((pos > startPos || !d->items.count()) && d->items.count() < count) { // qDebug() << "append" << idx; QDeclarativeItem *item = d->getItem(idx); - item->setZValue(idx+1); + if (d->model->completePending()) + item->setZValue(idx+1); if (d->currentIndex == idx) { item->setFocus(true); if (QDeclarativePathViewAttached *att = d->attached(item)) @@ -1132,7 +1162,8 @@ void QDeclarativePathView::refill() d->firstIndex = idx; d->items.append(item); d->updateItem(item, pos); - d->model->completeItem(); + if (d->model->completePending()) + d->model->completeItem(); ++idx; if (idx >= d->model->count()) idx = 0; @@ -1146,7 +1177,8 @@ void QDeclarativePathView::refill() while (pos >= 0.0 && pos < startPos) { // qDebug() << "prepend" << idx; QDeclarativeItem *item = d->getItem(idx); - item->setZValue(idx+1); + if (d->model->completePending()) + item->setZValue(idx+1); if (d->currentIndex == idx) { item->setFocus(true); if (QDeclarativePathViewAttached *att = d->attached(item)) @@ -1157,7 +1189,8 @@ void QDeclarativePathView::refill() } d->items.prepend(item); d->updateItem(item, pos); - d->model->completeItem(); + if (d->model->completePending()) + d->model->completeItem(); d->firstIndex = idx; idx = d->firstIndex - 1; if (idx < 0) @@ -1269,6 +1302,19 @@ void QDeclarativePathView::createdItem(int index, QDeclarativeItem *item) { Q_D(QDeclarativePathView); if (d->requestedIndex != index) { + if (!d->attType) { + // pre-create one metatype to share with all attached objects + d->attType = new QDeclarativeOpenMetaObjectType(&QDeclarativePathViewAttached::staticMetaObject, qmlEngine(this)); + foreach(const QString &attr, d->path->attributes()) + d->attType->createProperty(attr.toUtf8()); + } + qPathViewAttachedType = d->attType; + QDeclarativePathViewAttached *att = static_cast<QDeclarativePathViewAttached *>(qmlAttachedPropertiesObject<QDeclarativePathView>(item)); + qPathViewAttachedType = 0; + if (att) { + att->m_view = this; + att->setOnPath(false); + } item->setParentItem(this); d->updateItem(item, index < d->firstIndex ? 0.0 : 1.0); } @@ -1294,6 +1340,7 @@ int QDeclarativePathViewPrivate::calcCurrentIndex() if (offset < 0) offset += model->count(); current = qRound(qAbs(qmlMod(model->count() - offset, model->count()))); + current = current % model->count(); } return current; |