From 5304865fc4a9fc05d9d3982f816f7d6fe5f09eb5 Mon Sep 17 00:00:00 2001
From: thunder2 <retroshare.project@gmail.com>
Date: Sun, 27 Oct 2013 23:07:47 +0000
Subject: [PATCH] Added freeze option in NetworkView (Modified patch from K.
 Eisentraut)

git-svn-id: http://svn.code.sf.net/p/retroshare/code/trunk@6879 b45a01b8-16f6-495d-af2f-9b41ad6348cc
---
 retroshare-gui/src/gui/NetworkView.cpp         | 10 ++++++++++
 retroshare-gui/src/gui/NetworkView.h           |  2 ++
 retroshare-gui/src/gui/NetworkView.ui          |  7 +++++++
 retroshare-gui/src/gui/elastic/graphwidget.cpp | 18 +++++++++++++++++-
 retroshare-gui/src/gui/elastic/graphwidget.h   |  5 +++++
 5 files changed, 41 insertions(+), 1 deletion(-)

diff --git a/retroshare-gui/src/gui/NetworkView.cpp b/retroshare-gui/src/gui/NetworkView.cpp
index ba2708978..d6426a807 100644
--- a/retroshare-gui/src/gui/NetworkView.cpp
+++ b/retroshare-gui/src/gui/NetworkView.cpp
@@ -57,6 +57,7 @@ NetworkView::NetworkView(QWidget *parent)
   /* Hide Settings frame */
   connect( ui.maxFriendLevelSB, SIGNAL(valueChanged(int)), this, SLOT(setMaxFriendLevel(int)));
   connect( ui.edgeLengthSB, SIGNAL(valueChanged(int)), this, SLOT(setEdgeLength(int)));
+  connect( ui.freezeCheckBox, SIGNAL(toggled(bool)), this, SLOT(setFreezeState(bool)));
 
   _should_update = true ;
 }
@@ -96,6 +97,15 @@ void  NetworkView::clear()
 	update() ;
 }
 
+void NetworkView::setFreezeState(bool freeze)
+{
+#ifdef DEBUG_NETWORKVIEW
+	std::cerr << "  NetworkView::setFreezeState(" << freeze << ")" << std::endl;
+#endif
+
+	ui.graphicsView->setFreeze(freeze);
+}
+
 class NodeInfo
 {
 	public:
diff --git a/retroshare-gui/src/gui/NetworkView.h b/retroshare-gui/src/gui/NetworkView.h
index b2c8c4f73..7493a1469 100644
--- a/retroshare-gui/src/gui/NetworkView.h
+++ b/retroshare-gui/src/gui/NetworkView.h
@@ -49,6 +49,8 @@ class NetworkView : public RsAutoUpdatePage
 		void changedFoFCheckBox( );
 		void redraw();
 
+		void setFreezeState(bool);
+
 	private:
 
 		void  clear();
diff --git a/retroshare-gui/src/gui/NetworkView.ui b/retroshare-gui/src/gui/NetworkView.ui
index 3a079c69d..8805ddc44 100644
--- a/retroshare-gui/src/gui/NetworkView.ui
+++ b/retroshare-gui/src/gui/NetworkView.ui
@@ -91,6 +91,13 @@
        </property>
       </widget>
      </item>
+     <item row="0" column="6">
+      <widget class="QCheckBox" name="freezeCheckBox">
+       <property name="text">
+        <string>Freeze</string>
+       </property>
+      </widget>
+     </item>
     </layout>
    </item>
   </layout>
diff --git a/retroshare-gui/src/gui/elastic/graphwidget.cpp b/retroshare-gui/src/gui/elastic/graphwidget.cpp
index eff0684ff..227172c63 100644
--- a/retroshare-gui/src/gui/elastic/graphwidget.cpp
+++ b/retroshare-gui/src/gui/elastic/graphwidget.cpp
@@ -121,7 +121,7 @@ void fourn(double data[],unsigned long nn[],unsigned long ndim,int isign)
 #undef SWAP
 
 GraphWidget::GraphWidget(QWidget *)
-    : timerId(0)
+    : timerId(0), mIsFrozen(false)
 {
 //    QGraphicsScene *scene = new QGraphicsScene(QRectF(0,0,500,500),this);
 //    scene->setItemIndexMethod(QGraphicsScene::NoIndex);
@@ -305,6 +305,12 @@ void GraphWidget::timerEvent(QTimerEvent *event)
 	 if(!isVisible())
 		 return ;
 
+	if (mIsFrozen)
+	{
+		update();
+		return;
+	}
+
 	 static const int S = 256 ;
 	 static double *forceMap = new double[2*S*S] ;
 
@@ -437,3 +443,13 @@ void GraphWidget::scaleView(qreal scaleFactor)
 
     scale(scaleFactor, scaleFactor);
 }
+
+void GraphWidget::setFreeze(bool freeze)
+{
+    mIsFrozen = freeze;
+}
+
+bool GraphWidget::isFrozen() const
+{
+	return mIsFrozen;
+}
diff --git a/retroshare-gui/src/gui/elastic/graphwidget.h b/retroshare-gui/src/gui/elastic/graphwidget.h
index 9fa9bb483..e56f5b02f 100644
--- a/retroshare-gui/src/gui/elastic/graphwidget.h
+++ b/retroshare-gui/src/gui/elastic/graphwidget.h
@@ -78,6 +78,10 @@ public:
 	 void snapshotNodesPositions() ;
 	 void clearNodesPositions() ;
 	 void clearGraph() ;
+
+	void setFreeze(bool freeze);
+	bool isFrozen() const;
+
     virtual void itemMoved();
 
 	 void setEdgeLength(uint32_t l) ;
@@ -96,6 +100,7 @@ private:
     int timerId;
     //Node *centerNode;
 	 bool mDeterminedBB ;
+	bool mIsFrozen;
 
 	 std::vector<Node *> _nodes ;
 	 std::map<std::pair<NodeId,NodeId>,Edge *> _edges ;