From be730d3143ecae2229a976529288eabb3b0965ee Mon Sep 17 00:00:00 2001
From: Lorenz Meier <lm@inf.ethz.ch>
Date: Sun, 23 Nov 2014 23:50:56 +0100
Subject: [PATCH] Ensure that the show event handling of the op map widget only
 creates one connection

---
 libs/opmapcontrol/src/mapwidget/opmapwidget.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libs/opmapcontrol/src/mapwidget/opmapwidget.cpp b/libs/opmapcontrol/src/mapwidget/opmapwidget.cpp
index ee3cc5b24..23c895be7 100644
--- a/libs/opmapcontrol/src/mapwidget/opmapwidget.cpp
+++ b/libs/opmapcontrol/src/mapwidget/opmapwidget.cpp
@@ -225,7 +225,7 @@ namespace mapcontrol
     }
     void OPMapWidget::showEvent(QShowEvent *event)
     {
-        connect(&mscene,SIGNAL(sceneRectChanged(QRectF)),map,SLOT(resize(QRectF)));
+        connect(&mscene,SIGNAL(sceneRectChanged(QRectF)),map,SLOT(resize(QRectF)), Qt::UniqueConnection);
         map->start();
         QGraphicsView::showEvent(event);
     }
-- 
2.22.0