diff --git a/example/stackedbarchart/main.cpp b/example/stackedbarchart/main.cpp
index c593b92..cf6294c 100644
--- a/example/stackedbarchart/main.cpp
+++ b/example/stackedbarchart/main.cpp
@@ -26,15 +26,15 @@ int main(int argc, char *argv[])
 
     // Create some test data to chart
     *set0 << 1 << 2 << 3 << 4 << 5 << 6 << 7 << 8 << 9 << 10 << 11 << 12;
-    *set1 << 5 << 0 << 0 << 4 << 0 << 7 << 8 << 9 << 9 << 0 << 4 << 2;
-    *set2 << 3 << 5 << 8 << 13 << 8 << 5 << 3 << 2 << 1 << 1 << 3 << 5;
-    *set3 << 5 << 6 << 7 << 3 << 4 << 5 << 8 << 9 << 10 << 5 << 2 << 7;
+//    *set1 << 5 << 0 << 0 << 4 << 0 << 7 << 8 << 9 << 9 << 0 << 4 << 2;
+//    *set2 << 3 << 5 << 8 << 13 << 8 << 5 << 3 << 2 << 1 << 1 << 3 << 5;
+//    *set3 << 5 << 6 << 7 << 3 << 4 << 5 << 8 << 9 << 10 << 5 << 2 << 7;
     *set4 << 9 << 7 << 5 << 3 << 1 << 2 << 4 << 6 << 8 << 10 << 1 << 6;
 
     series0->addBarSet(set0);
-    series0->addBarSet(set1);
-    series0->addBarSet(set2);
-    series0->addBarSet(set3);
+//    series0->addBarSet(set1);
+//    series0->addBarSet(set2);
+//    series0->addBarSet(set3);
     series0->addBarSet(set4);
 
     ChartWidget* chartWidget =  new ChartWidget(&window);
diff --git a/src/axisitem.cpp b/src/axisitem.cpp
index ceaa778..aa56fba 100644
--- a/src/axisitem.cpp
+++ b/src/axisitem.cpp
@@ -16,11 +16,13 @@ m_shadesEnabled(true),
 m_grid(parent),
 m_shades(parent),
 m_labels(parent),
-m_origin(0,0)
+m_axis(parent)
 {
     //initial initialization
+    m_axis.setZValue(ChartPresenter::AxisZValue);
     m_shades.setZValue(ChartPresenter::ShadesZValue);
     m_grid.setZValue(ChartPresenter::GridZValue);
+    setFlags(QGraphicsItem::ItemHasNoContents);
 }
 
 AxisItem::~AxisItem()
@@ -34,10 +36,12 @@ QRectF AxisItem::boundingRect() const
 
 void AxisItem::createItems(int count)
 {
+    m_axis.addToGroup(new QGraphicsLineItem(this));
     for (int i = 0; i < count; ++i) {
            m_grid.addToGroup(new QGraphicsLineItem(this));
            m_labels.addToGroup(new QGraphicsSimpleTextItem(this));
            if(i%2) m_shades.addToGroup(new QGraphicsRectItem(this));
+           m_axis.addToGroup(new QGraphicsLineItem(this));
        }
 }
 
@@ -55,6 +59,10 @@ void AxisItem::clear()
         delete item;
     }
 
+    foreach(QGraphicsItem* item , m_axis.childItems()) {
+            delete item;
+    }
+
     m_thicksList.clear();
 
 }
@@ -66,10 +74,12 @@ void AxisItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, 
 
 void AxisItem::updateItem(int count)
 {
+    if(count ==0) return;
 
     QList<QGraphicsItem *> lines = m_grid.childItems();
     QList<QGraphicsItem *> labels = m_labels.childItems();
     QList<QGraphicsItem *> shades = m_shades.childItems();
+    QList<QGraphicsItem *> axis = m_axis.childItems();
 
     switch (m_type)
       {
@@ -77,7 +87,8 @@ void AxisItem::updateItem(int count)
           {
               const qreal deltaX = m_rect.width() / (count-1);
 
-              m_axis.setLine(m_rect.left(), m_rect.bottom(), m_rect.right(), m_rect.bottom());
+              QGraphicsLineItem *lineItem =  static_cast<QGraphicsLineItem*>(axis.at(0));
+              lineItem->setLine(m_rect.left(), m_rect.bottom(), m_rect.right(), m_rect.bottom());
 
               for (int i = 0; i < count; ++i) {
                   int x = i * deltaX + m_rect.left();
@@ -88,11 +99,12 @@ void AxisItem::updateItem(int count)
                   QPointF center = labelItem->boundingRect().center();
                   labelItem->setTransformOriginPoint(center.x(), center.y());
                   labelItem->setPos(x - center.x(), m_rect.bottom() + label_padding);
-
                   if(i%2){
                       QGraphicsRectItem *rectItem =  static_cast<QGraphicsRectItem*>(shades.at(i/2));
                       rectItem->setRect(x,m_rect.top(),deltaX,m_rect.height());
                   }
+                  lineItem =  static_cast<QGraphicsLineItem*>(axis.at(i+1));
+                  lineItem->setLine(x,m_rect.bottom(),x,m_rect.bottom()+5);
               }
           }
           break;
@@ -101,7 +113,8 @@ void AxisItem::updateItem(int count)
           {
               const qreal deltaY = m_rect.height()/ (count-1);
 
-              m_axis.setLine(m_rect.left() , m_rect.top(), m_rect.left(), m_rect.bottom());
+              QGraphicsLineItem *lineItem =  static_cast<QGraphicsLineItem*>(axis.at(0));
+              lineItem->setLine(m_rect.left() , m_rect.top(), m_rect.left(), m_rect.bottom());
 
               for (int i = 0; i < count; ++i) {
                   int y = i * -deltaY + m_rect.bottom();
@@ -116,6 +129,8 @@ void AxisItem::updateItem(int count)
                       QGraphicsRectItem *rectItem =  static_cast<QGraphicsRectItem*>(shades.at(i/2));
                       rectItem->setRect(m_rect.left(),y,m_rect.width(),deltaY);
                   }
+                  lineItem =  static_cast<QGraphicsLineItem*>(axis.at(i+1));
+                  lineItem->setLine(m_rect.left()-5,y,m_rect.left(),y);
               }
           }
           break;
@@ -170,14 +185,14 @@ void AxisItem::handleLabelsChanged(QChartAxis* axis,const QStringList& labels)
 {
     m_thicksList=labels;
     QList<QGraphicsItem*> items = m_labels.childItems();
-    if(items.size()!=m_thicksList.size()){
+    //if(items.size()!=m_thicksList.size()){
        clear();
        m_thicksList=labels;
        createItems(m_thicksList.size());
        updateItem(m_thicksList.size());
        items = m_labels.childItems();
        handleAxisUpdate(axis);
-     }
+    // }
 
     Q_ASSERT(items.size()==m_thicksList.size());
 
@@ -283,7 +298,9 @@ void AxisItem::setShadesPen(const QPen& pen)
 
 void AxisItem::setAxisPen(const QPen& pen)
 {
-    m_axis.setPen(pen);
+    foreach(QGraphicsItem* item , m_axis.childItems()) {
+           static_cast<QGraphicsLineItem*>(item)->setPen(pen);
+    }
 }
 
 void AxisItem::setGridPen(const QPen& pen)
diff --git a/src/axisitem_p.h b/src/axisitem_p.h
index cd28482..db42b61 100644
--- a/src/axisitem_p.h
+++ b/src/axisitem_p.h
@@ -66,9 +66,8 @@ private:
     QGraphicsItemGroup m_grid;
     QGraphicsItemGroup m_shades;
     QGraphicsItemGroup m_labels;
-    QGraphicsLineItem m_axis;
+    QGraphicsItemGroup m_axis;
     QStringList m_thicksList;
-    QPointF m_origin;
 
 };
 
diff --git a/src/barchart/bar.cpp b/src/barchart/bar.cpp
index 615314b..941c5be 100644
--- a/src/barchart/bar.cpp
+++ b/src/barchart/bar.cpp
@@ -63,7 +63,7 @@ void Bar::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidg
 
 QRectF Bar::boundingRect() const
 {
-    QRectF r(mXpos, mYpos, mXpos + mWidth, mYpos + mHeight);
+    QRectF r(mXpos, mYpos, mWidth, mHeight);
     return r;
 }
 
diff --git a/src/barchart/barchartmodel.cpp b/src/barchart/barchartmodel.cpp
index 55826af..463dc47 100644
--- a/src/barchart/barchartmodel.cpp
+++ b/src/barchart/barchartmodel.cpp
@@ -51,10 +51,9 @@ QBarSet* BarChartModel::nextSet(bool getFirst)
     return set;
 }
 
-
-QBarSet& BarChartModel::setAt(int index)
+QBarSet* BarChartModel::setAt(int index)
 {
-    return *mDataModel.at(index);
+    return mDataModel.at(index);
 }
 
 int BarChartModel::countSets()
diff --git a/src/barchart/barchartmodel_p.h b/src/barchart/barchartmodel_p.h
index 26f3009..40b821d 100644
--- a/src/barchart/barchartmodel_p.h
+++ b/src/barchart/barchartmodel_p.h
@@ -23,8 +23,7 @@ public:
     void addBarSet(QBarSet *set);
     void removeBarSet(QBarSet *set);
     QBarSet* nextSet(bool getFirst);
-
-    QBarSet& setAt(int index);  // Internal
+    QBarSet *setAt(int index);
 
     int countSets();            // Number of sets in model
     int countCategories();      // Number of categories
diff --git a/src/barchart/barlabel.cpp b/src/barchart/barlabel.cpp
index 3437334..6f8c635 100644
--- a/src/barchart/barlabel.cpp
+++ b/src/barchart/barlabel.cpp
@@ -29,7 +29,7 @@ void BarLabel::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, 
 
 QRectF BarLabel::boundingRect() const
 {
-    QRectF r(mXpos, mYpos, mXpos + mSize.width(), mYpos + mSize.height());
+    QRectF r(mXpos, mYpos, mSize.width(), mSize.height());
     return r;
 }
 
diff --git a/src/barchart/barpresenter.cpp b/src/barchart/barpresenter.cpp
index 3323d2a..592f997 100644
--- a/src/barchart/barpresenter.cpp
+++ b/src/barchart/barpresenter.cpp
@@ -52,7 +52,7 @@ void BarPresenter::layoutChanged()
 
             // TODO: width settable per bar?
             bar->resize(mBarDefaultWidth, barHeight);
-            bar->setBrush(mModel.setAt(set).brush());
+            bar->setBrush(mModel.setAt(set)->brush());
             bar->setPos(xPos, yPos-barHeight); // item*posStep+startPos + set * mBarDefaultWidth, mHeight);
             itemIndex++;
             xPos += mBarDefaultWidth;
diff --git a/src/barchart/barpresenterbase.cpp b/src/barchart/barpresenterbase.cpp
index 4eba484..75d5782 100644
--- a/src/barchart/barpresenterbase.cpp
+++ b/src/barchart/barpresenterbase.cpp
@@ -63,13 +63,13 @@ void BarPresenterBase::dataChanged()
     mFloatingValues.clear();
 
     // Create new graphic items for bars
-    for (int s=0; s<mModel.countSets(); s++) {
-        QBarSet *set = mModel.nextSet(0==s);
-        for (int c=0; c<mModel.countCategories(); c++) {
+    for (int c=0; c<mModel.countCategories(); c++) {
+        for (int s=0; s<mModel.countSets(); s++) {
+            QBarSet *set = mModel.setAt(s);
             Bar *bar = new Bar(this);
             childItems().append(bar);
             mBars.append(bar);
-            connect(bar,SIGNAL(clicked()),set,SLOT(toggleFloatingValuesVisible()));
+            connect(bar,SIGNAL(clicked()),set,SLOT(barClicked()));
         }
     }
 
@@ -92,31 +92,20 @@ void BarPresenterBase::dataChanged()
     }
 
     // Create floating values
-    for (int s=0; s<mModel.countSets(); s++) {
-        QBarSet *set = mModel.nextSet(0==s);
-        for (int category=0; category<mModel.countCategories(); category++) {
+    for (int category=0; category<mModel.countCategories(); category++) {
+        for (int s=0; s<mModel.countSets(); s++) {
+            QBarSet *set = mModel.setAt(s);
             BarValue *value = new BarValue(*set, this);
             childItems().append(value);
             mFloatingValues.append(value);
+            connect(set,SIGNAL(clicked()),value,SLOT(toggleVisible()));
         }
-        connect(set,SIGNAL(setFloatingValuesVisible(QBarSet*)),this,SLOT(setFloatingValues(QBarSet*)));
     }
 
     // TODO: if (autolayout) { layoutChanged() } or something
     mLayoutDirty = true;
 }
 
-void BarPresenterBase::setFloatingValues(QBarSet *set)
-{
-    qDebug() << "BarPresenterBase::setFloatingValues";
-    // TODO: better way to map set to BarValues?
-    for (int i=0; i<mFloatingValues.count(); i++) {
-        if (mFloatingValues.at(i)->belongsToSet(set)) {
-            mFloatingValues.at(i)->setVisible(set->isFloatingValuesVisible());
-        }
-    }
-}
-
 //handlers
 
 void BarPresenterBase::handleModelChanged(int index)
diff --git a/src/barchart/barpresenterbase.h b/src/barchart/barpresenterbase.h
index ecbe5fa..01c9ace 100644
--- a/src/barchart/barpresenterbase.h
+++ b/src/barchart/barpresenterbase.h
@@ -41,9 +41,6 @@ public:
     virtual void dataChanged();     // data of series has changed -> need to recalculate bar sizes
     virtual void layoutChanged() = 0;   // layout has changed -> need to recalculate bar sizes
 
-public Q_SLOTS:
-    void setFloatingValues(QBarSet *set);
-
 protected slots:
     void handleModelChanged(int index);
     void handleDomainChanged(const Domain& domain);
diff --git a/src/barchart/barvalue.cpp b/src/barchart/barvalue.cpp
index cfa2063..3673227 100644
--- a/src/barchart/barvalue.cpp
+++ b/src/barchart/barvalue.cpp
@@ -5,10 +5,10 @@
 QTCOMMERCIALCHART_BEGIN_NAMESPACE
 
 BarValue::BarValue(QBarSet &set, QGraphicsItem *parent)
-    : QGraphicsItem(parent)
+    : QGraphicsObject(parent)
     ,mBarSet(set)
 {
-//    setVisible(false);
+    setVisible(false);
 }
 
 void BarValue::setValueString(QString str)
@@ -56,9 +56,14 @@ void BarValue::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, 
 
 QRectF BarValue::boundingRect() const
 {
-    QRectF r(mXpos, mYpos, mXpos + mWidth, mYpos + mHeight);
+    QRectF r(mXpos, mYpos, mWidth, mHeight);
     return r;
 }
 
+void BarValue::toggleVisible()
+{
+    setVisible(!isVisible());
+}
 
+#include "moc_barvalue_p.cpp"
 QTCOMMERCIALCHART_END_NAMESPACE
diff --git a/src/barchart/barvalue_p.h b/src/barchart/barvalue_p.h
index eaba88b..e705c14 100644
--- a/src/barchart/barvalue_p.h
+++ b/src/barchart/barvalue_p.h
@@ -2,7 +2,7 @@
 #define BARVALUE_P_H
 
 #include "qchartglobal.h"
-#include <QGraphicsItem>
+#include <QGraphicsObject>
 #include <QPen>
 
 QTCOMMERCIALCHART_BEGIN_NAMESPACE
@@ -12,8 +12,9 @@ class QBarSet;
 // Visual class for floating bar values
 // TODO: fonts, colors etc.
 // By default these are not visible.
-class BarValue : public QGraphicsItem // TODO: public QGraphicsObject for signals?
+class BarValue : public QGraphicsObject
 {
+    Q_OBJECT
 public:
     BarValue(QBarSet &set, QGraphicsItem *parent = 0);
 
@@ -32,6 +33,9 @@ public:
     void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget);
     QRectF boundingRect() const;
 
+public Q_SLOTS:
+    void toggleVisible();
+
 private:
 
     QBarSet& mBarSet;
diff --git a/src/barchart/percentbarpresenter.cpp b/src/barchart/percentbarpresenter.cpp
index dd90d73..7169a17 100644
--- a/src/barchart/percentbarpresenter.cpp
+++ b/src/barchart/percentbarpresenter.cpp
@@ -50,7 +50,7 @@ void PercentBarPresenter::layoutChanged()
 
             // TODO: width settable per bar?
             bar->resize(mBarDefaultWidth, barHeight);
-            bar->setBrush(mModel.setAt(set).brush());
+            bar->setBrush(mModel.setAt(set)->brush());
             bar->setPos(xPos, yPos-barHeight);
             itemIndex++;
             yPos -= barHeight;
diff --git a/src/barchart/qbarset.cpp b/src/barchart/qbarset.cpp
index fc0107a..1548c2d 100644
--- a/src/barchart/qbarset.cpp
+++ b/src/barchart/qbarset.cpp
@@ -65,24 +65,11 @@ bool QBarSet::isFloatingValuesVisible()
 
 void QBarSet::barClicked()
 {
-    qDebug() << "QBarset::barClicked";
+    qDebug() << "QBarset::barClicked" << this;
     // Some bar of this set has been clicked
     // TODO: What happens then?
     emit clicked();     // Notify that set has been clicked
 }
 
-void QBarSet::toggleFloatingValuesVisible()
-{
-    qDebug() << "QBarset::toggleFloatingValuesVisible";
-    // TODO: toggle vs explicit set?
-    if (mFloatingValuesVisible) {
-        mFloatingValuesVisible=false;
-    } else {
-        mFloatingValuesVisible=true;
-    }
-    emit setFloatingValuesVisible(this);
-}
-
-
 #include "moc_qbarset.cpp"
 QTCOMMERCIALCHART_END_NAMESPACE
diff --git a/src/barchart/qbarset.h b/src/barchart/qbarset.h
index 9a7e82a..889881a 100644
--- a/src/barchart/qbarset.h
+++ b/src/barchart/qbarset.h
@@ -31,7 +31,6 @@ public:
 
 Q_SIGNALS:
     void clicked();
-    void setFloatingValuesVisible(QBarSet* set);
 /*
     void hoverEnter();
     void hoverLeave();
@@ -39,7 +38,6 @@ Q_SIGNALS:
 
 public Q_SLOTS:
     void barClicked();
-    void toggleFloatingValuesVisible();
 
 private:
 
diff --git a/src/barchart/stackedbarpresenter.cpp b/src/barchart/stackedbarpresenter.cpp
index 67c0c7b..e5dafa0 100644
--- a/src/barchart/stackedbarpresenter.cpp
+++ b/src/barchart/stackedbarpresenter.cpp
@@ -55,7 +55,7 @@ void StackedBarPresenter::layoutChanged()
             Bar* bar = mBars.at(itemIndex);
 
             bar->resize(mBarDefaultWidth, barHeight);
-            bar->setBrush(mModel.setAt(set).brush());
+            bar->setBrush(mModel.setAt(set)->brush());
             bar->setPos(xPos, yPos-barHeight);
             itemIndex++;
             yPos -= barHeight;
diff --git a/src/qchart.cpp b/src/qchart.cpp
index 457af65..522e2b6 100644
--- a/src/qchart.cpp
+++ b/src/qchart.cpp
@@ -104,6 +104,7 @@ void QChart::createChartBackgroundItem()
 {
     if(!m_backgroundItem) {
         m_backgroundItem = new QGraphicsRectItem(this);
+        m_backgroundItem->setPen(Qt::NoPen);
         m_backgroundItem->setZValue(ChartPresenter::BackgroundZValue);
     }
 }