Add QGraphicsItem::focusProxy(), focus proxy support.

Following QWidget's behavior, you can not assign any item in the
same scene as a focus proxy for another item. Also supports nested
focus proxies. You can only assign items in the same scene as
focus proxies. Autotests are included.

Reviewed-By: mbm

1 files changed, 2 insertions, 0 deletions

diff --git a/src/gui/graphicsview/qgraphicsscene_p.h b/src/gui/graphicsview/qgraphicsscene_p.h
index 9a91acc..a4bbdd2 100644
--- a/src/gui/graphicsview/qgraphicsscene_p.h
+++ b/src/gui/graphicsview/qgraphicsscene_p.h
@@ -130,6 +130,8 @@ public:
     QGraphicsWidget *tabFocusFirst;
     QGraphicsWidget *activeWindow;
     int activationRefCount;
+    void setFocusItemHelper(QGraphicsItem *item, Qt::FocusReason focusReason);
+    QMultiHash<QGraphicsItem *, QGraphicsItem *> focusProxyReverseMap;
 
     QList<QGraphicsWidget *> popupWidgets;
     void addPopup(QGraphicsWidget *widget);