diff --git a/client/preferences.c b/client/preferences.c
index ebe72df94..6c7fd5a6d 100644
--- a/client/preferences.c
+++ b/client/preferences.c
@@ -24,7 +24,7 @@
 #include "cmdparser.h"
 #include <ctype.h>
 //#include "proxgui.h"
-extern void SetWindowsPosition (void);
+//extern void SetWindowsPosition (void);
 static int CmdHelp(const char *Cmd);
 
 // Load all settings into memory (struct)
@@ -445,7 +445,7 @@ static int CmdPrefSet (const char *Cmd)
                 // Need to work out how to change live....
                 // calling data plot seems to work
                 //plotwidget->MoveWindows ();
-                SetWindowsPosition();
+               // SetWindowsPosition();
                 showPlotPosState ();
                 break;
             case prefOVERLAY: 
@@ -468,7 +468,7 @@ static int CmdPrefSet (const char *Cmd)
                 if (y != -99999) session.window_overlay_ypos = y; 
                 if (h != -99999) session.window_overlay_hsize = h; 
                 if (w != -99999) session.window_overlay_wsize = w; 
-                SetWindowsPosition();
+               // SetWindowsPosition();
                 showOverlayPosState ();
                 // Need to work out how to change live....
                 break;
diff --git a/client/proxgui.cpp b/client/proxgui.cpp
index 3a7ac9ff1..d5f82ffe9 100644
--- a/client/proxgui.cpp
+++ b/client/proxgui.cpp
@@ -54,9 +54,6 @@ extern "C" void MainGraphics(void) {
 
     gui->MainLoop();
 }
-extern "C" void SetWindowsPosition (void) {
-    gui->SetWindowsPosition ();
-}
 
 extern "C" void InitGraphics(int argc, char **argv, char *script_cmds_file, char *script_cmd, bool stayInCommandLoop) {
 #ifdef Q_WS_X11
diff --git a/client/proxgui.h b/client/proxgui.h
index 635adffe6..c9cd0096d 100644
--- a/client/proxgui.h
+++ b/client/proxgui.h
@@ -24,7 +24,6 @@ void ShowGraphWindow(void);
 void HideGraphWindow(void);
 void RepaintGraphWindow(void);
 void MainGraphics(void);
-void SetWindowsPosition (void);
 void InitGraphics(int argc, char **argv, char *script_cmds_file, char *script_cmd, bool stayInCommandLoop);
 void ExitGraphics(void);
 #ifndef MAX_GRAPH_TRACE_LEN
diff --git a/client/proxguiqt.cpp b/client/proxguiqt.cpp
index b9860058f..dfa9aa9fc 100644
--- a/client/proxguiqt.cpp
+++ b/client/proxguiqt.cpp
@@ -128,10 +128,30 @@ ProxGuiQT::~ProxGuiQT(void) {
         plotapp = NULL;
     }
 }
-void ProxGuiQT::SetWindowsPosition (void)
-{
-    plotwidget->SetWindowsPosition ();
+
+// -------------------------------------------------
+// Slider Widget form based on a class to enable 
+// Event override functions
+// -------------------------------------------------
+
+SliderWidget::SliderWidget() {   
+    // Set the initail postion and size from settings
+    if (session.preferences_loaded)
+        setGeometry (session.window_overlay_xpos,session.window_overlay_ypos,session.window_overlay_wsize,session.window_overlay_hsize);
+    else
+        resize(800, 400);
 }
+
+void SliderWidget::resizeEvent (QResizeEvent *event) {
+    session.window_overlay_hsize = event->size().height();
+    session.window_overlay_wsize = event->size().width();
+}
+
+void SliderWidget::moveEvent (QMoveEvent *event) {
+    session.window_overlay_xpos = event->pos().x();
+    session.window_overlay_ypos = event->pos().y();
+}
+
 //--------------------
 void ProxWidget::applyOperation() {
     //printf("ApplyOperation()");
@@ -179,7 +199,7 @@ ProxWidget::ProxWidget(QWidget *parent, ProxGuiQT *master) : QWidget(parent) {
         resize(800, 400);
 
     // Setup the controller widget
-    controlWidget = new QWidget();
+    controlWidget = new SliderWidget ();//new QWidget();
     opsController = new Ui::Form();
     opsController->setupUi(controlWidget);
     //Due to quirks in QT Designer, we need to fiddle a bit
@@ -192,7 +212,6 @@ ProxWidget::ProxWidget(QWidget *parent, ProxGuiQT *master) : QWidget(parent) {
     opsController->horizontalSlider_askedge->setValue(25);
     opsController->horizontalSlider_window->setValue(4000);
 
-
     QObject::connect(opsController->pushButton_apply, SIGNAL(clicked()), this, SLOT(applyOperation()));
     QObject::connect(opsController->pushButton_sticky, SIGNAL(clicked()), this, SLOT(stickOperation()));
     QObject::connect(opsController->horizontalSlider_window, SIGNAL(valueChanged(int)), this, SLOT(vchange_autocorr(int)));
@@ -200,6 +219,8 @@ ProxWidget::ProxWidget(QWidget *parent, ProxGuiQT *master) : QWidget(parent) {
     QObject::connect(opsController->horizontalSlider_dirthr_down, SIGNAL(valueChanged(int)), this, SLOT(vchange_dthr_down(int)));
     QObject::connect(opsController->horizontalSlider_askedge, SIGNAL(valueChanged(int)), this, SLOT(vchange_askedge(int)));
 
+    controlWidget->setGeometry (session.window_overlay_xpos,session.window_overlay_ypos,session.window_overlay_wsize,session.window_overlay_hsize);
+
     // Set up the plot widget, which does the actual plotting
     plot = new Plot(this);
     QVBoxLayout *layout = new QVBoxLayout;
@@ -213,9 +234,8 @@ ProxWidget::ProxWidget(QWidget *parent, ProxGuiQT *master) : QWidget(parent) {
     // shows plot window on the screen.
     show();
 
-    if (session.preferences_loaded)
-        controlWidget->setGeometry (session.window_overlay_xpos,session.window_overlay_ypos,session.window_overlay_wsize,session.window_overlay_hsize);
-    else {
+    // Set Slider/Overlay position if no settings.
+    if (!session.preferences_loaded){
         // Move controller widget below plot
         controlWidget->move(x(), y() + frameSize().height());
         controlWidget->resize(size().width(), 200);
@@ -261,15 +281,14 @@ void ProxWidget::showEvent(QShowEvent *event) {
     controlWidget->show();
     plot->show();
 }
-void ProxWidget::SetWindowsPosition(void) {
-
-//    plotwidget->update();
-    if (session.preferences_loaded) {
-        setGeometry (session.window_plot_xpos,session.window_plot_ypos,session.window_plot_wsize,session.window_plot_hsize);
-        controlWidget->setGeometry (session.window_overlay_xpos,session.window_overlay_ypos,session.window_overlay_wsize,session.window_overlay_hsize);
-        update();
-        controlWidget->update();
-    }
+void ProxWidget::moveEvent(QMoveEvent *event) {
+    session.window_plot_xpos = event->pos().x();
+    session.window_plot_ypos = event->pos().y();
+    
+}
+void ProxWidget::resizeEvent(QResizeEvent *event) {
+    session.window_plot_hsize = event->size().height();
+    session.window_plot_wsize = event->size().width();
 }
 
 //----------- Plotting
diff --git a/client/proxguiqt.h b/client/proxguiqt.h
index f5e9d2736..4b4a21c11 100644
--- a/client/proxguiqt.h
+++ b/client/proxguiqt.h
@@ -56,9 +56,19 @@ class Plot: public QWidget {
 };
 class ProxGuiQT;
 
+// Added class for SliderWidget to allow move/resize event override
+class SliderWidget : public QWidget {
+protected:
+    void resizeEvent (QResizeEvent *event);
+    void moveEvent (QMoveEvent *event);
+public:
+    SliderWidget();
+};
+
 /**
  * The window with plot and controls
  */
+
 class ProxWidget : public QWidget {
     Q_OBJECT; //needed for slot/signal classes
 
@@ -66,8 +76,8 @@ class ProxWidget : public QWidget {
     ProxGuiQT *master;
     Plot *plot;
     Ui::Form *opsController;
-    QWidget *controlWidget;
-
+//    QWidget *controlWidget;
+    SliderWidget *controlWidget;
   public:
     ProxWidget(QWidget *parent = 0, ProxGuiQT *master = NULL);
     ~ProxWidget(void);
@@ -78,6 +88,8 @@ class ProxWidget : public QWidget {
     void closeEvent(QCloseEvent *event);
     void showEvent(QShowEvent *event);
     void hideEvent(QHideEvent *event);
+    void moveEvent(QMoveEvent *event);
+    void resizeEvent(QResizeEvent *event);
     //  void mouseMoveEvent(QMouseEvent *event);
     //  void mousePressEvent(QMouseEvent *event) { mouseMoveEvent(event); }
     //  void keyPressEvent(QKeyEvent *event);
@@ -88,7 +100,6 @@ class ProxWidget : public QWidget {
     void vchange_askedge(int v);
     void vchange_dthr_up(int v);
     void vchange_dthr_down(int v);
-    void SetWindowsPosition(void);
 };
 
 class WorkerThread : public QThread {