diff --git a/src/board/UBBoardView.cpp b/src/board/UBBoardView.cpp
index 670f0ed8..1e299fde 100644
--- a/src/board/UBBoardView.cpp
+++ b/src/board/UBBoardView.cpp
@@ -426,6 +426,7 @@ UBBoardView::mousePressEvent (QMouseEvent *event)
 
             if (!movingItem 
                 || movingItem->isSelected()
+                || movingItem->data(UBGraphicsItemData::ItemLocked).toBool()
                 || movingItem->type() == UBGraphicsDelegateFrame::Type
                 || movingItem->type() == DelegateButton::Type 
                 || movingItem->type() == UBGraphicsCompass::Type
diff --git a/src/core/UBSettings.cpp b/src/core/UBSettings.cpp
index 78d3fd54..b8450d19 100644
--- a/src/core/UBSettings.cpp
+++ b/src/core/UBSettings.cpp
@@ -204,11 +204,14 @@ void UBSettings::init()
     appEnableAutomaticSoftwareUpdates = new UBSetting(this, "App", "EnableAutomaticSoftwareUpdates", true);
     appEnableSoftwareUpdates = new UBSetting(this, "App", "EnableSoftwareUpdates", true);
     appToolBarOrientationVertical = new UBSetting(this, "App", "ToolBarOrientationVertical", false);
-    navigPaletteWidth = new UBSetting(this, "Board", "NavigPaletteWidth", 270);
-    rightLibPaletteWidth = new UBSetting(this, "Board", "RightLibPaletteWidth", 270);
-    rightLibPaletteIsCollapsed = new UBSetting(this,"Board", "RightLibPaletteIsCollapsed",false);
-    leftLibPaletteWidth = new UBSetting(this, "Board", "LeftLibPaletteWidth",270);
-    leftLibPaletteIsCollapsed = new UBSetting(this,"Board","LeftLibPaletteIsCollapsed",false);
+    rightLibPaletteBoardModeWidth = new UBSetting(this, "Board", "RightLibPaletteBoardModeWidth", 270);
+    rightLibPaletteBoardModeIsCollapsed = new UBSetting(this,"Board", "RightLibPaletteBoardModeIsCollapsed",false);
+    rightLibPaletteDesktopModeWidth = new UBSetting(this, "Board", "RightLibPaletteDesktopModeWidth", 270);
+    rightLibPaletteDesktopModeIsCollapsed = new UBSetting(this,"Board", "RightLibPaletteDesktopModeIsCollapsed",false);
+    leftLibPaletteBoardModeWidth = new UBSetting(this, "Board", "LeftLibPaletteBoardModeWidth",270);
+    leftLibPaletteBoardModeIsCollapsed = new UBSetting(this,"Board","LeftLibPaletteBoardModeIsCollapsed",false);
+    leftLibPaletteDesktopModeWidth = new UBSetting(this, "Board", "LeftLibPaletteDesktopModeWidth",270);
+    leftLibPaletteDesktopModeIsCollapsed = new UBSetting(this,"Board","LeftLibPaletteDesktopModeIsCollapsed",false);
 
     appIsInSoftwareUpdateProcess = new UBSetting(this, "App", "IsInSoftwareUpdateProcess", false);
     appLastSessionDocumentUUID = new UBSetting(this, "App", "LastSessionDocumentUUID", "");
diff --git a/src/core/UBSettings.h b/src/core/UBSettings.h
index acb4b28a..c928b6fa 100644
--- a/src/core/UBSettings.h
+++ b/src/core/UBSettings.h
@@ -314,11 +314,14 @@ class UBSettings : public QObject
         UBSetting* gipThumbnailWidth;
         UBSetting* soundThumbnailWidth;
 
-        UBSetting* navigPaletteWidth;
-        UBSetting* rightLibPaletteWidth;
-        UBSetting* rightLibPaletteIsCollapsed;
-        UBSetting* leftLibPaletteWidth;
-        UBSetting* leftLibPaletteIsCollapsed;
+        UBSetting* rightLibPaletteBoardModeWidth;
+        UBSetting* rightLibPaletteBoardModeIsCollapsed;
+        UBSetting* rightLibPaletteDesktopModeWidth;
+        UBSetting* rightLibPaletteDesktopModeIsCollapsed;
+        UBSetting* leftLibPaletteBoardModeWidth;
+        UBSetting* leftLibPaletteBoardModeIsCollapsed;
+        UBSetting* leftLibPaletteDesktopModeWidth;
+        UBSetting* leftLibPaletteDesktopModeIsCollapsed;
 
         UBSetting* communityUser;
         UBSetting* communityPsw;
diff --git a/src/domain/UBGraphicsVideoItem.cpp b/src/domain/UBGraphicsVideoItem.cpp
index a7d12d35..2a87a455 100644
--- a/src/domain/UBGraphicsVideoItem.cpp
+++ b/src/domain/UBGraphicsVideoItem.cpp
@@ -120,6 +120,9 @@ void UBGraphicsVideoItem::mousePressEvent(QGraphicsSceneMouseEvent *event)
 
 void UBGraphicsVideoItem::mouseMoveEvent(QGraphicsSceneMouseEvent *event)
 {
+    if (mDelegate->delegated()->data(UBGraphicsItemData::ItemLocked).toBool())
+        return;
+
     if(mShouldMove && (event->buttons() & Qt::LeftButton))
     {
         QPointF offset = event->scenePos() - mMousePressPos;
diff --git a/src/gui/UBDockPalette.cpp b/src/gui/UBDockPalette.cpp
index 935f8549..293684fd 100644
--- a/src/gui/UBDockPalette.cpp
+++ b/src/gui/UBDockPalette.cpp
@@ -531,9 +531,10 @@ void UBDockPalette::setVisible(bool visible)
 
 bool UBDockPalette::switchMode(eUBDockPaletteWidgetMode mode)
 {
+	mCurrentMode = mode;
 	bool hasVisibleElements = false;
 	//-------------------------------//
-	// get full right palette widgets list, parse it, show all widgets for BOARD mode, and hide all other
+	// get full palette widgets list, parse it, show all widgets for BOARD mode, and hide all other
 	for(int i = 0; i < mRegisteredWidgets.size(); i++)
 	{
 		UBDockPaletteWidget* pNextWidget = mRegisteredWidgets.at(i);
diff --git a/src/gui/UBDockPalette.h b/src/gui/UBDockPalette.h
index a513db75..569f391b 100644
--- a/src/gui/UBDockPalette.h
+++ b/src/gui/UBDockPalette.h
@@ -79,8 +79,7 @@ private:
 typedef enum
 {
     eUBDockPaletteType_LEFT,
-    eUBDockPaletteType_RIGHT,
-    eUBDockPaletteType_NAVIGATOR,
+    eUBDockPaletteType_RIGHT
 } eUBDockPaletteType;
 
 
@@ -116,6 +115,8 @@ public:
 
     bool switchMode(eUBDockPaletteWidgetMode mode);
 
+    eUBDockPaletteWidgetMode mCurrentMode;
+
     QVector<UBDockPaletteWidget*> GetWidgetsList() { return mRegisteredWidgets; }
 
 public:
diff --git a/src/gui/UBLeftPalette.cpp b/src/gui/UBLeftPalette.cpp
index 21b3521b..fab827c6 100644
--- a/src/gui/UBLeftPalette.cpp
+++ b/src/gui/UBLeftPalette.cpp
@@ -25,11 +25,19 @@ UBLeftPalette::UBLeftPalette(QWidget *parent, const char *name):
 {
     setObjectName(name);
     setOrientation(eUBDockOrientation_Left);
-
-    mLastWidth = UBSettings::settings()->leftLibPaletteWidth->get().toInt();
     mCollapseWidth = 150;
 
-    if(UBSettings::settings()->leftLibPaletteIsCollapsed->get().toBool())
+    bool isCollapsed = false;
+    if(mCurrentMode == eUBDockPaletteWidget_BOARD){
+    	mLastWidth = UBSettings::settings()->leftLibPaletteBoardModeWidth->get().toInt();
+    	isCollapsed = UBSettings::settings()->leftLibPaletteBoardModeIsCollapsed->get().toBool();
+    }
+    else{
+    	mLastWidth = UBSettings::settings()->leftLibPaletteDesktopModeWidth->get().toInt();
+    	isCollapsed = UBSettings::settings()->leftLibPaletteDesktopModeIsCollapsed->get().toBool();
+    }
+
+    if(isCollapsed)
     	resize(0,parentWidget()->height());
     else
     	resize(mLastWidth, parentWidget()->height());
@@ -58,8 +66,35 @@ void UBLeftPalette::updateMaxWidth()
 void UBLeftPalette::resizeEvent(QResizeEvent *event)
 {
 	int newWidth = width();
-	if(newWidth > mCollapseWidth)
-		UBSettings::settings()->leftLibPaletteWidth->set(newWidth);
-    UBSettings::settings()->leftLibPaletteIsCollapsed->set(newWidth == 0);
+	if(mCurrentMode == eUBDockPaletteWidget_BOARD){
+		if(newWidth > mCollapseWidth)
+			UBSettings::settings()->leftLibPaletteBoardModeWidth->set(newWidth);
+		UBSettings::settings()->leftLibPaletteBoardModeIsCollapsed->set(newWidth == 0);
+	}
+	else{
+		if(newWidth > mCollapseWidth)
+			UBSettings::settings()->leftLibPaletteDesktopModeWidth->set(newWidth);
+		UBSettings::settings()->leftLibPaletteDesktopModeIsCollapsed->set(newWidth == 0);
+	}
     UBDockPalette::resizeEvent(event);
 }
+
+
+bool UBLeftPalette::switchMode(eUBDockPaletteWidgetMode mode)
+{
+	int newModeWidth;
+	if(mode == eUBDockPaletteWidget_BOARD){
+		mLastWidth = UBSettings::settings()->leftLibPaletteBoardModeWidth->get().toInt();
+		newModeWidth = mLastWidth;
+		if(UBSettings::settings()->leftLibPaletteBoardModeIsCollapsed->get().toBool())
+			newModeWidth = 0;
+	}
+	else{
+		mLastWidth = UBSettings::settings()->leftLibPaletteDesktopModeWidth->get().toInt();
+		newModeWidth = mLastWidth;
+		if(UBSettings::settings()->leftLibPaletteDesktopModeIsCollapsed->get().toBool())
+			newModeWidth = 0;
+	}
+	resize(newModeWidth,height());
+	return UBDockPalette::switchMode(mode);
+}
diff --git a/src/gui/UBLeftPalette.h b/src/gui/UBLeftPalette.h
index cdb49330..8ae3bdf3 100644
--- a/src/gui/UBLeftPalette.h
+++ b/src/gui/UBLeftPalette.h
@@ -23,6 +23,8 @@ public:
     UBLeftPalette(QWidget* parent=0, const char* name="UBLeftPalette");
     ~UBLeftPalette();
 
+    bool switchMode(eUBDockPaletteWidgetMode mode);
+
 protected:
     void updateMaxWidth();
     void resizeEvent(QResizeEvent *event);
diff --git a/src/gui/UBNavigatorPalette.cpp b/src/gui/UBNavigatorPalette.cpp
index a389e3c3..df67c67e 100644
--- a/src/gui/UBNavigatorPalette.cpp
+++ b/src/gui/UBNavigatorPalette.cpp
@@ -24,18 +24,13 @@
  * @param name as the object name
  */
 UBNavigatorPalette::UBNavigatorPalette(QWidget *parent, const char *name):
-    UBDockPalette(eUBDockPaletteType_NAVIGATOR, parent, name)
+	UBDockPalette(eUBDockPaletteType_LEFT, parent, name)
 	, mNavigator(NULL)
 	, mLayout(NULL)
     , mHLayout(NULL)
     , mPageNbr(NULL)
     , mClock(NULL)
 {
-    setOrientation(eUBDockOrientation_Left);
-    setMaximumWidth(300);
-    resize(UBSettings::settings()->navigPaletteWidth->get().toInt(), height());
-    mLastWidth = 300;
-
     // Build the gui
     mLayout = new QVBoxLayout(this);
     mLayout->setContentsMargins(customMargin(), customMargin(), 2*border() + customMargin(), customMargin());
@@ -150,7 +145,6 @@ void UBNavigatorPalette::resizeEvent(QResizeEvent *event)
     {
         mNavigator->setMinimumHeight(height() - 2*border());
     }
-    UBSettings::settings()->navigPaletteWidth->set(width());
 }
 
 void UBNavigatorPalette::timerEvent(QTimerEvent *event)
diff --git a/src/gui/UBRightPalette.cpp b/src/gui/UBRightPalette.cpp
index 9762b5e8..be8205c2 100644
--- a/src/gui/UBRightPalette.cpp
+++ b/src/gui/UBRightPalette.cpp
@@ -28,9 +28,16 @@ UBRightPalette::UBRightPalette(QWidget *parent, const char *name):
     setObjectName(name);
     setOrientation(eUBDockOrientation_Right);
     mCollapseWidth = 150;
-
-    mLastWidth = UBSettings::settings()->rightLibPaletteWidth->get().toInt();
-    if(UBSettings::settings()->rightLibPaletteIsCollapsed->get().toBool())
+    bool isCollapsed = false;
+    if(mCurrentMode == eUBDockPaletteWidget_BOARD){
+    	mLastWidth = UBSettings::settings()->rightLibPaletteBoardModeWidth->get().toInt();
+    	isCollapsed = UBSettings::settings()->rightLibPaletteBoardModeIsCollapsed->get().toBool();
+    }
+    else{
+    	mLastWidth = UBSettings::settings()->rightLibPaletteDesktopModeWidth->get().toInt();
+    	isCollapsed = UBSettings::settings()->rightLibPaletteDesktopModeIsCollapsed->get().toBool();
+    }
+    if(isCollapsed)
     	resize(0,parentWidget()->height());
     else
     	resize(mLastWidth, parentWidget()->height());
@@ -62,10 +69,17 @@ void UBRightPalette::mouseMoveEvent(QMouseEvent *event)
 void UBRightPalette::resizeEvent(QResizeEvent *event)
 {
 	int newWidth = width();
-	if(newWidth > mCollapseWidth)
-		UBSettings::settings()->rightLibPaletteWidth->set(newWidth);
-    UBSettings::settings()->rightLibPaletteIsCollapsed->set(newWidth == 0);
-    UBDockPalette::resizeEvent(event);
+	if(mCurrentMode == eUBDockPaletteWidget_BOARD){
+		if(newWidth > mCollapseWidth)
+			UBSettings::settings()->rightLibPaletteBoardModeWidth->set(newWidth);
+		UBSettings::settings()->rightLibPaletteBoardModeIsCollapsed->set(newWidth == 0);
+	}
+	else{
+		if(newWidth > mCollapseWidth)
+			UBSettings::settings()->rightLibPaletteDesktopModeWidth->set(newWidth);
+		UBSettings::settings()->rightLibPaletteDesktopModeIsCollapsed->set(newWidth == 0);
+	}
+	UBDockPalette::resizeEvent(event);
     emit resized();
 }
 
@@ -78,3 +92,22 @@ void UBRightPalette::updateMaxWidth()
     setMaximumHeight(parentWidget()->height());
     setMinimumHeight(parentWidget()->height());
 }
+
+bool UBRightPalette::switchMode(eUBDockPaletteWidgetMode mode)
+{
+	int newModeWidth;
+	if(mode == eUBDockPaletteWidget_BOARD){
+		mLastWidth = UBSettings::settings()->rightLibPaletteBoardModeWidth->get().toInt();
+		newModeWidth = mLastWidth;
+		if(UBSettings::settings()->rightLibPaletteBoardModeIsCollapsed->get().toBool())
+			newModeWidth = 0;
+	}
+	else{
+		mLastWidth = UBSettings::settings()->rightLibPaletteDesktopModeWidth->get().toInt();
+		newModeWidth = mLastWidth;
+		if(UBSettings::settings()->rightLibPaletteDesktopModeIsCollapsed->get().toBool())
+			newModeWidth = 0;
+	}
+	resize(newModeWidth,height());
+	return UBDockPalette::switchMode(mode);
+}
diff --git a/src/gui/UBRightPalette.h b/src/gui/UBRightPalette.h
index df0e82e5..00e6dd14 100644
--- a/src/gui/UBRightPalette.h
+++ b/src/gui/UBRightPalette.h
@@ -23,6 +23,7 @@ class UBRightPalette : public UBDockPalette
 public:
     UBRightPalette(QWidget* parent=0, const char* name="UBRightPalette");
     ~UBRightPalette();
+    bool switchMode(eUBDockPaletteWidgetMode mode);
 
 signals:
     void resized();
@@ -31,6 +32,7 @@ protected:
     void updateMaxWidth();
     void mouseMoveEvent(QMouseEvent *event);
     void resizeEvent(QResizeEvent *event);
+
 };
 
 #endif // UBRIGHTPALETTE_H