From 75838f77b37e9b59cc255bda6317827307902d71 Mon Sep 17 00:00:00 2001
From: Dhanya Thattil <dhanya.thattil@psi.ch>
Date: Mon, 6 Jan 2020 11:50:08 +0100
Subject: [PATCH] unregistering call back, detangling receiver streaming from
 callback

---
 slsDetectorGui/src/qDrawPlot.cpp                         | 3 +++
 slsDetectorSoftware/slsDetectorAnalysis/postProcessing.h | 5 +----
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/slsDetectorGui/src/qDrawPlot.cpp b/slsDetectorGui/src/qDrawPlot.cpp
index 6e9a4c848..a121319e2 100644
--- a/slsDetectorGui/src/qDrawPlot.cpp
+++ b/slsDetectorGui/src/qDrawPlot.cpp
@@ -373,6 +373,9 @@ void qDrawPlot::SetupWidgetWindow(){
 
 	// callbacks
 	// Setting the callback function to get data from detector class
+	if (setReceiverOnline() == slsDetectorDefs::ONLINE_FLAG) {
+		enableDataStreamingFromReceiver(1);
+	}
 	myDet->registerDataCallback(&(GetDataCallBack),this); // also enables data streaming in client and receiver (if receiver exists)
 	//Setting the callback function to alert when acquisition finished from detector class
 	myDet->registerAcquisitionFinishedCallback(&(GetAcquisitionFinishedCallBack),this);
diff --git a/slsDetectorSoftware/slsDetectorAnalysis/postProcessing.h b/slsDetectorSoftware/slsDetectorAnalysis/postProcessing.h
index 7903688dd..43fb2f528 100644
--- a/slsDetectorSoftware/slsDetectorAnalysis/postProcessing.h
+++ b/slsDetectorSoftware/slsDetectorAnalysis/postProcessing.h
@@ -239,10 +239,7 @@ s
   void registerDataCallback(int( *userCallback)(detectorData*, int, int, void*),  void *pArg) {	\
 	  dataReady = userCallback;																	\
 	  pCallbackArg = pArg;																		\
-	  if (setReceiverOnline() == slsDetectorDefs::ONLINE_FLAG) {								\
-		  enableDataStreamingToClient(1);														\
-		  enableDataStreamingFromReceiver(1);}};												\
-  
+    enableDataStreamingToClient(dataReady == NULL ? 0 : 1);};  \
 
   void registerRawDataCallback(int( *userCallback)(double*, int, void*),  void *pArg) {rawDataReady = userCallback; pRawDataArg = pArg;};