4 files changed, 39 insertions, 26 deletions

diff --git a/src/gui/graphicsview/qgraphicsanchorlayout_p.cpp b/src/gui/graphicsview/qgraphicsanchorlayout_p.cpp
index eaa8ac2..deda3ff 100644
--- a/src/gui/graphicsview/qgraphicsanchorlayout_p.cpp
+++ b/src/gui/graphicsview/qgraphicsanchorlayout_p.cpp
@@ -2966,11 +2966,12 @@ bool QGraphicsAnchorLayoutPrivate::solvePreferred(const QList<QSimplexConstraint
             AnchorData *ad = variables.at(i);
             ad->sizeAtPreferred = ad->result - g_offset;
         }
-
-        // Make sure we delete the simplex solver -before- we delete the
-        // constraints used by it.
-        delete simplex;
     }
+
+    // Make sure we delete the simplex solver -before- we delete the
+    // constraints used by it.
+    delete simplex;
+
     // Delete constraints and variables we created.
     qDeleteAll(preferredConstraints);
     qDeleteAll(preferredVariables);
diff --git a/src/gui/graphicsview/qgraphicsitem.cpp b/src/gui/graphicsview/qgraphicsitem.cpp
index 0c218fc..9092593 100644
--- a/src/gui/graphicsview/qgraphicsitem.cpp
+++ b/src/gui/graphicsview/qgraphicsitem.cpp
@@ -5378,11 +5378,9 @@ void QGraphicsItemPrivate::invalidateParentGraphicsEffectsRecursively()
 {
     QGraphicsItemPrivate *itemPrivate = this;
     do {
-        if (itemPrivate->graphicsEffect) {
+        if (itemPrivate->graphicsEffect && !itemPrivate->updateDueToGraphicsEffect) {
             itemPrivate->notifyInvalidated = 1;
-
-            if (!itemPrivate->updateDueToGraphicsEffect)
-                static_cast<QGraphicsItemEffectSourcePrivate *>(itemPrivate->graphicsEffect->d_func()->source->d_func())->invalidateCache();
+            static_cast<QGraphicsItemEffectSourcePrivate *>(itemPrivate->graphicsEffect->d_func()->source->d_func())->invalidateCache();
         }
     } while ((itemPrivate = itemPrivate->parent ? itemPrivate->parent->d_ptr.data() : 0));
 }
@@ -5690,21 +5688,27 @@ void QGraphicsItem::update(const QRectF &rect)
     d_ptr->invalidateParentGraphicsEffectsRecursively();
 #endif //QT_NO_GRAPHICSEFFECT
 
-    if (CacheMode(d_ptr->cacheMode) != NoCache) {
-        // Invalidate cache.
-        QGraphicsItemCache *cache = d_ptr->extraItemCache();
-        if (!cache->allExposed) {
-            if (rect.isNull()) {
-                cache->allExposed = true;
-                cache->exposed.clear();
-            } else {
-                cache->exposed.append(rect);
+#ifndef QT_NO_GRAPHICSEFFECT
+    if (!d_ptr->updateDueToGraphicsEffect) {
+#endif
+        if (CacheMode(d_ptr->cacheMode) != NoCache) {
+            // Invalidate cache.
+            QGraphicsItemCache *cache = d_ptr->extraItemCache();
+            if (!cache->allExposed) {
+                if (rect.isNull()) {
+                    cache->allExposed = true;
+                    cache->exposed.clear();
+                } else {
+                    cache->exposed.append(rect);
+                }
             }
+            // Only invalidate cache; item is already dirty.
+            if (d_ptr->fullUpdatePending)
+                return;
         }
-        // Only invalidate cache; item is already dirty.
-        if (d_ptr->fullUpdatePending)
-            return;
+#ifndef QT_NO_GRAPHICSEFFECT
     }
+#endif
 
     if (d_ptr->scene)
         d_ptr->scene->d_func()->markDirty(this, rect);
diff --git a/src/gui/graphicsview/qgraphicsscene.cpp b/src/gui/graphicsview/qgraphicsscene.cpp
index 1551944..867880c 100644
--- a/src/gui/graphicsview/qgraphicsscene.cpp
+++ b/src/gui/graphicsview/qgraphicsscene.cpp
@@ -3504,7 +3504,9 @@ bool QGraphicsScene::event(QEvent *event)
         }
         break;
     case QEvent::WindowDeactivate:
-        if (!--d->activationRefCount) {
+        if (d->activationRefCount > 0)
+            --d->activationRefCount;
+        if (!d->activationRefCount) {
             if (d->activePanel) {
                 // Deactivate the active panel (but keep it so we can
                 // reactivate it later).
diff --git a/src/gui/graphicsview/qgraphicswidget.cpp b/src/gui/graphicsview/qgraphicswidget.cpp
index 965b1b34..c275968 100644
--- a/src/gui/graphicsview/qgraphicswidget.cpp
+++ b/src/gui/graphicsview/qgraphicswidget.cpp
@@ -152,7 +152,7 @@ QT_BEGIN_NAMESPACE
     \row    \o Qt::WA_SetPalette
                     \o Set by setPalette().
     \row    \o Qt::WA_SetFont
-                    \o Set by setPalette().
+                    \o Set by setFont().
     \row    \o Qt::WA_WindowPropagation
                     \o Enables propagation to window widgets.
     \endtable
@@ -1173,6 +1173,12 @@ QVariant QGraphicsWidget::itemChange(GraphicsItemChange change, const QVariant &
         QApplication::sendEvent(this, &event);
         break;
     }
+    case ItemChildAddedChange: {
+        QGraphicsItem *child = qVariantValue<QGraphicsItem *>(value);
+        if (child->isWidget())
+            static_cast<QGraphicsWidget *>(child)->d_func()->resolveLayoutDirection();
+        break;
+    }
     default:
         break;
     }
@@ -1668,7 +1674,7 @@ void QGraphicsWidget::hoverLeaveEvent(QGraphicsSceneHoverEvent *event)
 
 /*!
     This event handler, for \a event, can be reimplemented in a subclass to
-    receive notifications for Qt::GrabMouse events.
+    receive notifications for QEvent::GrabMouse events.
 
     \sa grabMouse(), grabKeyboard()
 */
@@ -1679,7 +1685,7 @@ void QGraphicsWidget::grabMouseEvent(QEvent *event)
 
 /*!
     This event handler, for \a event, can be reimplemented in a subclass to
-    receive notifications for Qt::UngrabMouse events.
+    receive notifications for QEvent::UngrabMouse events.
 
     \sa ungrabMouse(), ungrabKeyboard()
 */
@@ -1690,7 +1696,7 @@ void QGraphicsWidget::ungrabMouseEvent(QEvent *event)
 
 /*!
     This event handler, for \a event, can be reimplemented in a subclass to
-    receive notifications for Qt::GrabKeyboard events.
+    receive notifications for QEvent::GrabKeyboard events.
 
     \sa grabKeyboard(), grabMouse()
 */
@@ -1701,7 +1707,7 @@ void QGraphicsWidget::grabKeyboardEvent(QEvent *event)
 
 /*!
     This event handler, for \a event, can be reimplemented in a subclass to
-    receive notifications for Qt::UngrabKeyboard events.
+    receive notifications for QEvent::UngrabKeyboard events.
 
     \sa ungrabKeyboard(), ungrabMouse()
 */