Merge branch '4.5' of git@scm.dev.nokia.troll.no:qt/qt into 4.5

1 files changed, 10 insertions, 16 deletions

diff --git a/src/gui/graphicsview/qgraphicsitem.cpp b/src/gui/graphicsview/qgraphicsitem.cpp
index 5799fe7155..4f77aa8bc9 100644
--- a/src/gui/graphicsview/qgraphicsitem.cpp
+++ b/src/gui/graphicsview/qgraphicsitem.cpp
@@ -3975,26 +3975,20 @@ void QGraphicsItem::update(const QRectF &rect)
         return;
 
     if (CacheMode(d_ptr->cacheMode) != NoCache) {
+        // Invalidate cache.
         QGraphicsItemCache *cache = d_ptr->extraItemCache();
-        if (d_ptr->discardUpdateRequest(/* ignoreVisibleBit = */ false,
-                                        /* ignoreClipping = */ false,
-                                        /* ignoreDirtyBit = */ true)) {
-            return;
+        if (!cache->allExposed) {
+            if (rect.isNull()) {
+                cache->allExposed = true;
+                cache->exposed.clear();
+            } else {
+                cache->exposed.append(rect);
+            }
         }
+    }
 
-        // Invalidate cache.
-        if (rect.isNull()) {
-            cache->allExposed = true;
-            cache->exposed.clear();
-        } else {
-            cache->exposed.append(rect);
-        }
-        // Only invalidate cache; item is already dirty.
-        if (d_ptr->dirty)
-            return;
-    } else if (d_ptr->discardUpdateRequest()) {
+    if (d_ptr->discardUpdateRequest())
         return;
-    }
 
     // Effectively the same as updateHelper(rect);
     if (rect.isNull())