From 51900441b77df5cb4755aaf2cba8351bbfe15e71 Mon Sep 17 00:00:00 2001
From: Michael Brasser <michael.brasser@nokia.com>
Date: Tue, 9 Mar 2010 10:33:52 +1000
Subject: Minor anchors.fill optimization.

Task-number: QT-716
---
 .../graphicsitems/qdeclarativeanchors.cpp           | 10 ++++++++--
 .../graphicsitems/qdeclarativeanchors_p_p.h         |  1 +
 src/declarative/graphicsitems/qdeclarativeitem.cpp  | 21 +++++++++++++++++++++
 src/declarative/graphicsitems/qdeclarativeitem.h    |  2 ++
 4 files changed, 32 insertions(+), 2 deletions(-)

diff --git a/src/declarative/graphicsitems/qdeclarativeanchors.cpp b/src/declarative/graphicsitems/qdeclarativeanchors.cpp
index 274d778..dc1f09d 100644
--- a/src/declarative/graphicsitems/qdeclarativeanchors.cpp
+++ b/src/declarative/graphicsitems/qdeclarativeanchors.cpp
@@ -168,8 +168,7 @@ void QDeclarativeAnchorsPrivate::fillChanged()
         } else if (fill->parentItem() == item->parentItem()) {   //siblings
             setItemPos(QPointF(fill->x()+leftMargin, fill->y()+topMargin));
         }
-        setItemWidth(fill->width()-leftMargin-rightMargin);
-        setItemHeight(fill->height()-topMargin-bottomMargin);
+        setItemSize(QSizeF(fill->width()-leftMargin-rightMargin, fill->height()-topMargin-bottomMargin));
 
         --updatingFill;
     } else {
@@ -314,6 +313,13 @@ void QDeclarativeAnchorsPrivate::setItemPos(const QPointF &v)
     updatingMe = false;
 }
 
+void QDeclarativeAnchorsPrivate::setItemSize(const QSizeF &v)
+{
+    updatingMe = true;
+    item->setSize(v);
+    updatingMe = false;
+}
+
 void QDeclarativeAnchorsPrivate::updateMe()
 {
     if (updatingMe) {
diff --git a/src/declarative/graphicsitems/qdeclarativeanchors_p_p.h b/src/declarative/graphicsitems/qdeclarativeanchors_p_p.h
index d9d7ffa..ca32211 100644
--- a/src/declarative/graphicsitems/qdeclarativeanchors_p_p.h
+++ b/src/declarative/graphicsitems/qdeclarativeanchors_p_p.h
@@ -122,6 +122,7 @@ public:
     void setItemX(qreal);
     void setItemY(qreal);
     void setItemPos(const QPointF &);
+    void setItemSize(const QSizeF &);
 
     void updateOnComplete();
     void updateMe();
diff --git a/src/declarative/graphicsitems/qdeclarativeitem.cpp b/src/declarative/graphicsitems/qdeclarativeitem.cpp
index b0a7570..ff3a790 100644
--- a/src/declarative/graphicsitems/qdeclarativeitem.cpp
+++ b/src/declarative/graphicsitems/qdeclarativeitem.cpp
@@ -2855,6 +2855,27 @@ bool QDeclarativeItem::heightValid() const
     return d->heightValid;
 }
 
+/*! \internal */
+void QDeclarativeItem::setSize(const QSizeF &size)
+{
+    Q_D(QDeclarativeItem);
+    d->heightValid = true;
+    d->widthValid = true;
+
+    if (d->height == size.height() && d->width == size.width())
+        return;
+
+    qreal oldHeight = d->height;
+    qreal oldWidth = d->width;
+
+    prepareGeometryChange();
+    d->height = size.height();
+    d->width = size.width();
+
+    geometryChanged(QRectF(x(), y(), width(), height()),
+                    QRectF(x(), y(), oldWidth, oldHeight));
+}
+
 /*!
   \qmlproperty bool Item::wantsFocus
 
diff --git a/src/declarative/graphicsitems/qdeclarativeitem.h b/src/declarative/graphicsitems/qdeclarativeitem.h
index f6fedc7..d326925 100644
--- a/src/declarative/graphicsitems/qdeclarativeitem.h
+++ b/src/declarative/graphicsitems/qdeclarativeitem.h
@@ -143,6 +143,8 @@ public:
     void resetHeight();
     qreal implicitHeight() const;
 
+    void setSize(const QSizeF &size);
+
     TransformOrigin transformOrigin() const;
     void setTransformOrigin(TransformOrigin);
 
-- 
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