diff --git a/src/board/UBBoardPaletteManager.cpp b/src/board/UBBoardPaletteManager.cpp
index 24ac7868..2c20151b 100644
--- a/src/board/UBBoardPaletteManager.cpp
+++ b/src/board/UBBoardPaletteManager.cpp
@@ -90,6 +90,12 @@ UBBoardPaletteManager::~UBBoardPaletteManager()
 	delete mLibPalette;
 	mLibPalette = NULL;
     }
+
+    if(NULL != mStylusPalette)
+    {
+        delete mStylusPalette;
+        mStylusPalette = NULL;
+    }
 }
 
 void UBBoardPaletteManager::initPalettesPosAtStartup()
@@ -641,9 +647,13 @@ void UBBoardPaletteManager::changeStylusPaletteOrientation(QVariant var)
     bool bVertical = var.toBool();
     bool bVisible = mStylusPalette->isVisible();
 
+    UBStylusPalette* mOldPalette;
     // Clean the old palette
-    disconnect(mStylusPalette, SIGNAL(stylusToolDoubleClicked(int)), UBApplication::boardController, SLOT(stylusToolDoubleClicked(int)));
-    delete mStylusPalette;
+    if(NULL != mStylusPalette)
+    {
+        // TODO : check why this line creates a crash in the application.
+        delete mStylusPalette;
+    }
 
     // Create the new palette
     if(bVertical)
diff --git a/src/desktop/UBDesktopAnnotationController.cpp b/src/desktop/UBDesktopAnnotationController.cpp
index 2cd607ac..1073e431 100644
--- a/src/desktop/UBDesktopAnnotationController.cpp
+++ b/src/desktop/UBDesktopAnnotationController.cpp
@@ -111,12 +111,12 @@ UBDesktopAnnotationController::UBDesktopAnnotationController(QObject *parent)
     UBPlatformUtils::disableShadow(mDesktopMarkerPalette);
     mDesktopEraserPalette = new UBDesktopEraserPalette(mTransparentDrawingView);
     UBPlatformUtils::disableShadow(mDesktopEraserPalette);
-	if (UBPlatformUtils::hasVirtualKeyboard())
-	{
-		mKeyboardPalette = UBKeyboardPalette::create(mTransparentDrawingView);
+        if (UBPlatformUtils::hasVirtualKeyboard())
+        {
+                mKeyboardPalette = UBKeyboardPalette::create(mTransparentDrawingView);
 
-		connect(mKeyboardPalette, SIGNAL(keyboardActivated(bool)), mTransparentDrawingView, SLOT(virtualKeyboardActivated(bool)));
-	}
+                connect(mKeyboardPalette, SIGNAL(keyboardActivated(bool)), mTransparentDrawingView, SLOT(virtualKeyboardActivated(bool)));
+        }
 
     mDesktopPalette->setBackgroundBrush(UBSettings::settings()->opaquePaletteColor);
     mDesktopToolsPalette->setBackgroundBrush(UBSettings::settings()->opaquePaletteColor);
diff --git a/src/gui/UBActionPalette.cpp b/src/gui/UBActionPalette.cpp
index d7f3bff3..bc93294a 100644
--- a/src/gui/UBActionPalette.cpp
+++ b/src/gui/UBActionPalette.cpp
@@ -43,6 +43,7 @@ void UBActionPalette::init(Qt::Orientation orientation)
     mAutoClose = false;
     mButtonGroup = 0;
     mToolButtonStyle = Qt::ToolButtonIconOnly;
+    mButtons.clear();
 
     QBoxLayout *layout = 0;
 
@@ -111,7 +112,8 @@ QList<QAction*> UBActionPalette::actions()
 
 UBActionPalette::~UBActionPalette()
 {
-
+    qDeleteAll(mButtons.begin(), mButtons.end());
+    mButtons.clear();
 }
 
 
@@ -160,6 +162,7 @@ void UBActionPalette::updateLayout()
     {
         layout()->setContentsMargins (sLayoutContentMargin  + border(), sLayoutContentMargin  + border()
                 , sLayoutContentMargin  + border(), sLayoutContentMargin + border());
+
     }
     update();
 }
@@ -256,7 +259,7 @@ UBActionPaletteButton::UBActionPaletteButton(QAction* action, QWidget * parent)
 
 UBActionPaletteButton::~UBActionPaletteButton()
 {
-    // NOOP
+
 }
 
 
diff --git a/src/gui/UBActionPalette.h b/src/gui/UBActionPalette.h
index 6ea9949b..5d20bcaa 100644
--- a/src/gui/UBActionPalette.h
+++ b/src/gui/UBActionPalette.h
@@ -73,7 +73,6 @@ class UBActionPalette : public UBFloatingPalette
         QPoint mMousePos;
         UBActionPaletteButton *createPaletteButton(QAction* action, QWidget *parent);
 
-
     private slots:
         void buttonClicked();
         void actionChanged();
@@ -82,7 +81,7 @@ class UBActionPalette : public UBFloatingPalette
 
 class UBActionPaletteButton : public QToolButton
 {
-    Q_OBJECT;
+    Q_OBJECT
 
     public:
         UBActionPaletteButton(QAction* action, QWidget * parent = 0);
diff --git a/src/gui/UBFloatingPalette.h b/src/gui/UBFloatingPalette.h
index a4b37bfb..ba0dbb84 100644
--- a/src/gui/UBFloatingPalette.h
+++ b/src/gui/UBFloatingPalette.h
@@ -17,7 +17,7 @@ typedef enum
 
 class UBFloatingPalette : public QWidget
 {
-    Q_OBJECT;
+    Q_OBJECT
 
     public:
 
diff --git a/src/gui/UBKeyboardPalette_linux.cpp b/src/gui/UBKeyboardPalette_linux.cpp
index 54a9b5ee..0e5a0c40 100644
--- a/src/gui/UBKeyboardPalette_linux.cpp
+++ b/src/gui/UBKeyboardPalette_linux.cpp
@@ -95,7 +95,7 @@ void UBKeyboardButton::sendControlSymbol(int nSymbol)
 
 void UBKeyboardPalette::createCtrlButtons()
 {
-        ctrlButtons = new UBKeyboardButton*[7];
+        ctrlButtons = new UBKeyboardButton*[8];
 
         ctrlButtons[0] = new UBCntrlButton(this, "<-", XK_BackSpace);
         ctrlButtons[1] = new UBCntrlButton(this, "<->", XK_Tab);
diff --git a/src/gui/UBLibNavigatorWidget.cpp b/src/gui/UBLibNavigatorWidget.cpp
index 97b193c4..a1c11941 100644
--- a/src/gui/UBLibNavigatorWidget.cpp
+++ b/src/gui/UBLibNavigatorWidget.cpp
@@ -94,6 +94,12 @@ UBLibNavigatorWidget::~UBLibNavigatorWidget()
     }
 }
 
+void UBLibNavigatorWidget::dropMe(const QMimeData *_data)
+{
+    // Forward the mime data to the library widget
+
+}
+
 /**
  * \brief Update the navigation bar
  * @param pElem as the current element
diff --git a/src/gui/UBLibNavigatorWidget.h b/src/gui/UBLibNavigatorWidget.h
index d661e66c..a7e6fae8 100644
--- a/src/gui/UBLibNavigatorWidget.h
+++ b/src/gui/UBLibNavigatorWidget.h
@@ -16,6 +16,7 @@ class UBLibNavigatorWidget : public QWidget
 public:
     UBLibNavigatorWidget(QWidget* parent=0, const char* name="UBLibNavigatorWidget");
     ~UBLibNavigatorWidget();
+    void dropMe(const QMimeData* _data);
 
 signals:
     void propertiesRequested(UBLibElement* elem);
diff --git a/src/gui/UBLibPalette.cpp b/src/gui/UBLibPalette.cpp
index d64827b6..87485db5 100644
--- a/src/gui/UBLibPalette.cpp
+++ b/src/gui/UBLibPalette.cpp
@@ -12,6 +12,7 @@ UBLibPalette::UBLibPalette(QWidget *parent, const char *name):UBDockPalette(pare
     , mNavigator(NULL)
     , mProperties(NULL)
     , mActionBar(NULL)
+    , mDropWidget(NULL)
 {
     setOrientation(eUBDockOrientation_Right);
     mIcon = QPixmap(":images/paletteLibrary.png");
@@ -31,14 +32,17 @@ UBLibPalette::UBLibPalette(QWidget *parent, const char *name):UBDockPalette(pare
     mActionBar = new UBLibActionBar(this);
     mNavigator = new UBLibNavigatorWidget(this);
     mProperties = new UBLibItemProperties(this);
+    //mDropWidget = new UBDropMeWidget(this);
 
     mLayout->addWidget(mStackedWidget, 1);
     mLayout->addWidget(mActionBar, 0);
 
     mStackedWidget->addWidget(mNavigator);
     mStackedWidget->addWidget(mProperties);
+    //mStackedWidget->addWidget(mDropWidget);
 
     mStackedWidget->setCurrentIndex(ID_NAVIGATOR);
+    miCrntStackWidget = ID_NAVIGATOR;
 
     connect(mNavigator, SIGNAL(propertiesRequested(UBLibElement*)), this, SLOT(showProperties(UBLibElement*)));
     connect(mProperties, SIGNAL(showFolderContent()), this, SLOT(showFolder()));
@@ -69,6 +73,11 @@ UBLibPalette::~UBLibPalette()
         delete mActionBar;
         mActionBar = NULL;
     }
+    if(NULL != mDropWidget)
+    {
+        delete mDropWidget;
+        mDropWidget = NULL;
+    }
     if(NULL != mLayout)
     {
 	delete mLayout;
@@ -93,9 +102,16 @@ void UBLibPalette::updateMaxWidth()
 void UBLibPalette::dragEnterEvent(QDragEnterEvent *pEvent)
 {
     setBackgroundRole(QPalette::Highlight);
+    //mStackedWidget->setCurrentIndex(ID_DROPME);
     pEvent->acceptProposedAction();
 }
 
+void UBLibPalette::dragLeaveEvent(QDragLeaveEvent *pEvent)
+{
+    //mStackedWidget->setCurrentIndex(miCrntStackWidget);
+    pEvent->accept();
+}
+
 /**
  * \brief Handles the drop event
  * @param pEvent as the drop event
@@ -104,6 +120,7 @@ void UBLibPalette::dropEvent(QDropEvent *pEvent)
 {
     processMimeData(pEvent->mimeData());
     setBackgroundRole(QPalette::Dark);
+    mStackedWidget->setCurrentIndex(miCrntStackWidget);
     pEvent->acceptProposedAction();
 }
 
@@ -128,6 +145,7 @@ void UBLibPalette::processMimeData(const QMimeData *pData)
     {
         qDebug() << "Dropped element format " << i << " = "<< qslFormats.at(i);
     }
+   // mNavigator->dropMe(pData);
 
 }
 
@@ -151,6 +169,7 @@ void UBLibPalette::showProperties(UBLibElement *elem)
         // Show the properties of this object
         mProperties->showElement(elem);
         mStackedWidget->setCurrentIndex(ID_PROPERTIES);
+        miCrntStackWidget = ID_PROPERTIES;
     }
 }
 
@@ -158,6 +177,7 @@ void UBLibPalette::showFolder()
 {
     mActionBar->setButtons(mActionBar->previousButtonSet());
     mStackedWidget->setCurrentIndex(ID_NAVIGATOR);
+    miCrntStackWidget = ID_NAVIGATOR;
 }
 
 void UBLibPalette::resizeEvent(QResizeEvent *event)
@@ -165,3 +185,30 @@ void UBLibPalette::resizeEvent(QResizeEvent *event)
     UBDockPalette::resizeEvent(event);
     UBSettings::settings()->libPaletteWidth->set(width());
 }
+
+// --------------------------------------------------------------------------
+UBDropMeWidget::UBDropMeWidget(QWidget *parent, const char *name):QWidget(parent)
+  , mpLabel(NULL)
+  , mpLayout(NULL)
+{
+    setObjectName(name);
+    mpLayout = new QVBoxLayout(this);
+    setLayout(mpLayout);
+
+    mpLabel = new QLabel(tr("Drop here"), this);
+    mpLayout->addWidget(mpLabel);
+}
+
+UBDropMeWidget::~UBDropMeWidget()
+{
+    if(NULL != mpLabel)
+    {
+        delete mpLabel;
+        mpLabel = NULL;
+    }
+    if(NULL != mpLayout)
+    {
+        delete mpLayout;
+        mpLayout = NULL;
+    }
+}
diff --git a/src/gui/UBLibPalette.h b/src/gui/UBLibPalette.h
index 7dc6c6f8..28e87e98 100644
--- a/src/gui/UBLibPalette.h
+++ b/src/gui/UBLibPalette.h
@@ -10,6 +10,7 @@
 #include <QMimeData>
 #include <QMouseEvent>
 #include <QResizeEvent>
+#include <QLabel>
 
 #include "UBDockPalette.h"
 #include "UBLibNavigatorWidget.h"
@@ -18,6 +19,18 @@
 
 #define ID_NAVIGATOR    0
 #define ID_PROPERTIES   1
+#define ID_DROPME       2
+
+class UBDropMeWidget : public QWidget
+{
+public:
+    UBDropMeWidget(QWidget* parent=0, const char* name="dropMeWidget");
+    ~UBDropMeWidget();
+
+private:
+    QLabel* mpLabel;
+    QVBoxLayout* mpLayout;
+};
 
 class UBLibPalette : public UBDockPalette
 {
@@ -33,6 +46,7 @@ protected:
     void dragEnterEvent(QDragEnterEvent* pEvent);
     void dropEvent(QDropEvent *pEvent);
     void dragMoveEvent(QDragMoveEvent* pEvent);
+    void dragLeaveEvent(QDragLeaveEvent* pEvent);
     void mouseMoveEvent(QMouseEvent *event);
     void resizeEvent(QResizeEvent *event);
 
@@ -53,6 +67,10 @@ private:
     UBLibItemProperties* mProperties;
     /** UBLibActionBar */
     UBLibActionBar* mActionBar;
+    /** The 'drop here' indicator */
+    UBDropMeWidget* mDropWidget;
+    /** The current stack widget index*/
+    int miCrntStackWidget;
 };
 
 #endif // UBLIBPALETTE_H
diff --git a/src/gui/UBLibraryWidget.cpp b/src/gui/UBLibraryWidget.cpp
index f28239e2..fd5da1e2 100644
--- a/src/gui/UBLibraryWidget.cpp
+++ b/src/gui/UBLibraryWidget.cpp
@@ -283,6 +283,11 @@ void UBLibraryWidget::dragMoveEvent(QDragMoveEvent *event)
     }
 }
 
+void UBLibraryWidget::onDropMe(const QMimeData *_data)
+{
+
+}
+
 /**
  * \brief Handles the drop event
  * @param event as the drop event
diff --git a/src/gui/UBLibraryWidget.h b/src/gui/UBLibraryWidget.h
index 7d8b2405..741d357a 100644
--- a/src/gui/UBLibraryWidget.h
+++ b/src/gui/UBLibraryWidget.h
@@ -35,7 +35,7 @@ public slots:
     void onElementsDropped(QList<QString> elements, UBLibElement* target);
     void onSearchElement(QString elem);
     void onNewFolderToCreate();
-
+    void onDropMe(const QMimeData* _data);
 signals:
     void navigBarUpdate(UBLibElement* pElem);
     void itemsSelected(QList<UBLibElement*> elemList, bool inTrash);
diff --git a/src/gui/UBStylusPalette.cpp b/src/gui/UBStylusPalette.cpp
index 3db3c0b8..a837f081 100644
--- a/src/gui/UBStylusPalette.cpp
+++ b/src/gui/UBStylusPalette.cpp
@@ -89,7 +89,7 @@ void UBStylusPalette::initPosition()
 
 UBStylusPalette::~UBStylusPalette()
 {
-    // NOOP
+
 }
 
 void UBStylusPalette::stylusToolDoubleClicked()
diff --git a/src/gui/UBStylusPalette.h b/src/gui/UBStylusPalette.h
index 7faceb4c..d9f8d0ef 100644
--- a/src/gui/UBStylusPalette.h
+++ b/src/gui/UBStylusPalette.h
@@ -9,7 +9,7 @@
 
 class UBStylusPalette : public UBActionPalette
 {
-    Q_OBJECT;
+    Q_OBJECT
 
     public:
         UBStylusPalette(QWidget *parent = 0, Qt::Orientation orient = Qt::Vertical);