Fixes tooltips for QGraphicsProxyWidget.

Help event was not propagated to the widget. Also fixes tooltip value
propagation when setting it on the proxy or on the widget.
Autotest included.

Task-number: QTBUG-5349
Reviewed-by: bnilsen

1 files changed, 6 insertions, 0 deletions

diff --git a/src/gui/graphicsview/qgraphicsscene.cpp b/src/gui/graphicsview/qgraphicsscene.cpp
index 6581727..b368a82 100644
--- a/src/gui/graphicsview/qgraphicsscene.cpp
+++ b/src/gui/graphicsview/qgraphicsscene.cpp
@@ -3772,6 +3772,12 @@ void QGraphicsScene::helpEvent(QGraphicsSceneHelpEvent *helpEvent)
     QGraphicsItem *toolTipItem = 0;
     for (int i = 0; i < itemsAtPos.size(); ++i) {
         QGraphicsItem *tmp = itemsAtPos.at(i);
+        if (tmp->d_func()->isProxyWidget()) {
+            // if the item is a proxy widget, the event is forwarded to it
+            sendEvent(tmp, helpEvent);
+            if (helpEvent->isAccepted())
+                return;
+        }
         if (!tmp->toolTip().isEmpty()) {
             toolTipItem = tmp;
             break;