diff options
Diffstat (limited to 'src/declarative/graphicsitems/qdeclarativeloader.cpp')
-rw-r--r-- | src/declarative/graphicsitems/qdeclarativeloader.cpp | 126 |
1 files changed, 30 insertions, 96 deletions
diff --git a/src/declarative/graphicsitems/qdeclarativeloader.cpp b/src/declarative/graphicsitems/qdeclarativeloader.cpp index bdd2c87..7edd53c 100644 --- a/src/declarative/graphicsitems/qdeclarativeloader.cpp +++ b/src/declarative/graphicsitems/qdeclarativeloader.cpp @@ -49,7 +49,6 @@ QT_BEGIN_NAMESPACE QDeclarativeLoaderPrivate::QDeclarativeLoaderPrivate() : item(0), component(0), ownComponent(false) - , resizeMode(QDeclarativeLoader::SizeLoaderToItem) { } @@ -59,9 +58,8 @@ QDeclarativeLoaderPrivate::~QDeclarativeLoaderPrivate() void QDeclarativeLoaderPrivate::itemGeometryChanged(QDeclarativeItem *resizeItem, const QRectF &newGeometry, const QRectF &oldGeometry) { - if (resizeItem == item && resizeMode == QDeclarativeLoader::SizeLoaderToItem) { - _q_updateSize(); - } + if (resizeItem == item) + _q_updateSize(false); QDeclarativeItemChangeListener::itemGeometryChanged(resizeItem, newGeometry, oldGeometry); } @@ -76,11 +74,9 @@ void QDeclarativeLoaderPrivate::clear() if (item) { if (QDeclarativeItem *qmlItem = qobject_cast<QDeclarativeItem*>(item)) { - if (resizeMode == QDeclarativeLoader::SizeLoaderToItem) { - QDeclarativeItemPrivate *p = + QDeclarativeItemPrivate *p = static_cast<QDeclarativeItemPrivate *>(QGraphicsItemPrivate::get(qmlItem)); - p->removeItemChangeListener(this, QDeclarativeItemPrivate::Geometry); - } + p->removeItemChangeListener(this, QDeclarativeItemPrivate::Geometry); } // We can't delete immediately because our item may have triggered @@ -96,16 +92,12 @@ void QDeclarativeLoaderPrivate::initResize() { Q_Q(QDeclarativeLoader); if (QDeclarativeItem *qmlItem = qobject_cast<QDeclarativeItem*>(item)) { - if (resizeMode == QDeclarativeLoader::SizeLoaderToItem) { - QDeclarativeItemPrivate *p = + QDeclarativeItemPrivate *p = static_cast<QDeclarativeItemPrivate *>(QGraphicsItemPrivate::get(qmlItem)); - p->addItemChangeListener(this, QDeclarativeItemPrivate::Geometry); - } + p->addItemChangeListener(this, QDeclarativeItemPrivate::Geometry); } else if (item && item->isWidget()) { QGraphicsWidget *widget = static_cast<QGraphicsWidget*>(item); - if (resizeMode == QDeclarativeLoader::SizeLoaderToItem) { - widget->installEventFilter(q); - } + widget->installEventFilter(q); } _q_updateSize(); } @@ -337,10 +329,10 @@ void QDeclarativeLoaderPrivate::_q_sourceLoaded() This property holds the status of QML loading. It can be one of: \list - \o Null - no QML source has been set - \o Ready - the QML source has been loaded - \o Loading - the QML source is currently being loaded - \o Error - an error occurred while loading the QML source + \o Loader.Null - no QML source has been set + \o Loader.Ready - the QML source has been loaded + \o Loader.Loading - the QML source is currently being loaded + \o Loader.Error - an error occurred while loading the QML source \endlist Note that a change in the status property does not cause anything to happen @@ -390,83 +382,30 @@ qreal QDeclarativeLoader::progress() const return 0.0; } -/*! - \qmlproperty enumeration Loader::resizeMode - - This property determines how the Loader or item are resized: - \list - \o NoResize - no item will be resized - \o SizeLoaderToItem - the Loader will be sized to the size of the item, unless the size of the Loader has been otherwise specified. - \o SizeItemToLoader - the item will be sized to the size of the Loader. - \endlist - - Note that changing from SizeItemToLoader to SizeLoaderToItem - after the component is loaded will not return the item or Loader - to it's original size. This is due to the item size being adjusted - to the Loader size, thereby losing the original size of the item. - Future changes to the item's size will affect the loader, however. - - The default resizeMode is SizeLoaderToItem. -*/ -QDeclarativeLoader::ResizeMode QDeclarativeLoader::resizeMode() const -{ - Q_D(const QDeclarativeLoader); - return d->resizeMode; -} - -void QDeclarativeLoader::setResizeMode(ResizeMode mode) -{ - Q_D(QDeclarativeLoader); - if (mode == d->resizeMode) - return; - - if (QDeclarativeItem *qmlItem = qobject_cast<QDeclarativeItem*>(d->item)) { - if (d->resizeMode == SizeLoaderToItem) { - QDeclarativeItemPrivate *p = - static_cast<QDeclarativeItemPrivate *>(QGraphicsItemPrivate::get(qmlItem)); - p->removeItemChangeListener(d, QDeclarativeItemPrivate::Geometry); - } - } else if (d->item && d->item->isWidget()) { - if (d->resizeMode == SizeLoaderToItem) - d->item->removeEventFilter(this); - } - d->resizeMode = mode; - emit resizeModeChanged(); - d->initResize(); -} - -void QDeclarativeLoaderPrivate::_q_updateSize() +void QDeclarativeLoaderPrivate::_q_updateSize(bool loaderGeometryChanged) { Q_Q(QDeclarativeLoader); if (!item) return; if (QDeclarativeItem *qmlItem = qobject_cast<QDeclarativeItem*>(item)) { - if (resizeMode == QDeclarativeLoader::SizeLoaderToItem) { - q->setWidth(qmlItem->width()); - q->setHeight(qmlItem->height()); - } else if (resizeMode == QDeclarativeLoader::SizeItemToLoader) { + q->setImplicitWidth(qmlItem->width()); + if (loaderGeometryChanged && q->widthValid()) qmlItem->setWidth(q->width()); + q->setImplicitHeight(qmlItem->height()); + if (loaderGeometryChanged && q->heightValid()) qmlItem->setHeight(q->height()); - } } else if (item && item->isWidget()) { QGraphicsWidget *widget = static_cast<QGraphicsWidget*>(item); - if (resizeMode == QDeclarativeLoader::SizeLoaderToItem) { - QSizeF newSize = widget->size(); - if (newSize.isValid()) { - q->setWidth(newSize.width()); - q->setHeight(newSize.height()); - } - } else if (resizeMode == QDeclarativeLoader::SizeItemToLoader) { - QSizeF oldSize = widget->size(); - QSizeF newSize = oldSize; - if (q->heightValid()) - newSize.setHeight(q->height()); - if (q->widthValid()) - newSize.setWidth(q->width()); - if (oldSize != newSize) - widget->resize(newSize); - } + QSizeF widgetSize = widget->size(); + q->setImplicitWidth(widgetSize.width()); + if (loaderGeometryChanged && q->widthValid()) + widgetSize.setWidth(q->width()); + q->setImplicitHeight(widgetSize.height()); + if (loaderGeometryChanged && q->heightValid()) + widgetSize.setHeight(q->height()); + if (widget->size() != widgetSize) + widget->resize(widgetSize); } } @@ -484,9 +423,7 @@ void QDeclarativeLoader::geometryChanged(const QRectF &newGeometry, const QRectF { Q_D(QDeclarativeLoader); if (newGeometry != oldGeometry) { - if (d->resizeMode == SizeItemToLoader) { - d->_q_updateSize(); - } + d->_q_updateSize(); } QDeclarativeItem::geometryChanged(newGeometry, oldGeometry); } @@ -496,10 +433,8 @@ QVariant QDeclarativeLoader::itemChange(GraphicsItemChange change, const QVarian Q_D(QDeclarativeLoader); if (change == ItemSceneHasChanged) { if (d->item && d->item->isWidget()) { - if (d->resizeMode == SizeLoaderToItem) { - d->item->removeEventFilter(this); - d->item->installEventFilter(this); - } + d->item->removeEventFilter(this); + d->item->installEventFilter(this); } } return QDeclarativeItem::itemChange(change, value); @@ -509,9 +444,8 @@ bool QDeclarativeLoader::eventFilter(QObject *watched, QEvent *e) { Q_D(QDeclarativeLoader); if (watched == d->item && e->type() == QEvent::GraphicsSceneResize) { - if (d->item && d->item->isWidget() && d->resizeMode == SizeLoaderToItem) { - d->_q_updateSize(); - } + if (d->item && d->item->isWidget()) + d->_q_updateSize(false); } return QDeclarativeItem::eventFilter(watched, e); } |