diff options
Diffstat (limited to 'src/declarative/graphicsitems/qdeclarativeitem.cpp')
| -rw-r--r-- | src/declarative/graphicsitems/qdeclarativeitem.cpp | 17 |
1 files changed, 12 insertions, 5 deletions
diff --git a/src/declarative/graphicsitems/qdeclarativeitem.cpp b/src/declarative/graphicsitems/qdeclarativeitem.cpp index 5dd44fa..c282808 100644 --- a/src/declarative/graphicsitems/qdeclarativeitem.cpp +++ b/src/declarative/graphicsitems/qdeclarativeitem.cpp @@ -1172,6 +1172,17 @@ QDeclarativeKeysAttached *QDeclarativeKeysAttached::qmlAttachedProperties(QObjec See the \l {Keys}{Keys} attached property for detailed documentation. + \section 1 Property Change Signals + + Most properties on Item and Item derivatives have a signal + emitted when they change. By convention, the signals are + named <propertyName>Changed, e.g. xChanged will be emitted when an item's + x property changes. Note that these also have signal handers e.g. + the onXChanged signal handler will be called when an item's x property + changes. For many properties in Item or Item derivatives this can be used + to add a touch of imperative logic to your application (when absolutely + necessary). + \ingroup group_coreitems */ @@ -1321,7 +1332,7 @@ QDeclarativeItem::~QDeclarativeItem() Image { source: "myimage.png" transformOrigin: Item.BottomRight - rotate: 45 + rotation: 45 } \endqml @@ -2604,7 +2615,6 @@ void QDeclarativeItem::setWidth(qreal w) prepareGeometryChange(); d->width = w; - update(); geometryChanged(QRectF(x(), y(), width(), height()), QRectF(x(), y(), oldWidth, height())); @@ -2641,7 +2651,6 @@ void QDeclarativeItem::setImplicitWidth(qreal w) prepareGeometryChange(); d->width = w; - update(); geometryChanged(QRectF(x(), y(), width(), height()), QRectF(x(), y(), oldWidth, height())); @@ -2676,7 +2685,6 @@ void QDeclarativeItem::setHeight(qreal h) prepareGeometryChange(); d->height = h; - update(); geometryChanged(QRectF(x(), y(), width(), height()), QRectF(x(), y(), width(), oldHeight)); @@ -2713,7 +2721,6 @@ void QDeclarativeItem::setImplicitHeight(qreal h) prepareGeometryChange(); d->height = h; - update(); geometryChanged(QRectF(x(), y(), width(), height()), QRectF(x(), y(), width(), oldHeight)); |