diff --git a/common/wxwineda.cpp b/common/wxwineda.cpp
index 7644891a93..48b1a20905 100644
--- a/common/wxwineda.cpp
+++ b/common/wxwineda.cpp
@@ -424,7 +424,7 @@ WinEDA_DFloatValueCtrl::WinEDA_DFloatValueCtrl( wxWindow* parent,
 
     BoxSizer->Add( m_Text, 0, wxGROW | wxLEFT | wxRIGHT | wxTOP, 5 );
 
-    buffer.Printf( wxT( "%lf" ), m_Value );
+    buffer.Printf( wxT( "%f" ), m_Value );
     m_ValueCtrl = new   wxTextCtrl( parent, -1, buffer );
 
     BoxSizer->Add( m_ValueCtrl, 0, wxGROW | wxLEFT | wxRIGHT | wxBOTTOM, 5 );
@@ -453,7 +453,7 @@ void WinEDA_DFloatValueCtrl::SetValue( double new_value )
 
     m_Value = new_value;
 
-    buffer.Printf( wxT( "%lf" ), m_Value );
+    buffer.Printf( wxT( "%f" ), m_Value );
     m_ValueCtrl->SetValue( buffer );
 }
 
diff --git a/eeschema/CMakeLists.txt b/eeschema/CMakeLists.txt
index c3aec359e3..9bdff754ad 100644
--- a/eeschema/CMakeLists.txt
+++ b/eeschema/CMakeLists.txt
@@ -26,12 +26,12 @@ set(EESCHEMA_SRCS
     class_netlist_object.cpp
     class_pin.cpp
     class_sch_cmp_field.cpp
+    class_sch_component.cpp
     class_schematic_items.cpp
     class_sch_screen.cpp
     class_text-label.cpp
     classes_body_items.cpp
     cleanup.cpp
-    component_class.cpp
     controle.cpp
     cross-probing.cpp
     dangling_ends.cpp
@@ -73,7 +73,6 @@ set(EESCHEMA_SRCS
     erc.cpp
     files-io.cpp
     find.cpp
-    geometric_transforms.cpp
     getpart.cpp
     hierarch.cpp
     hotkeys.cpp
@@ -94,6 +93,7 @@ set(EESCHEMA_SRCS
     netlist.cpp
     onleftclick.cpp
     onrightclick.cpp
+    operations_on_items_lists.cpp
     pinedit.cpp
 #   pinedit-dialog.cpp
     plot.cpp
diff --git a/eeschema/block.cpp b/eeschema/block.cpp
index ea406f2208..783433778b 100644
--- a/eeschema/block.cpp
+++ b/eeschema/block.cpp
@@ -21,16 +21,14 @@
 /* Variables Locales */
 
 // Imported functions:
-void               MoveItemsInList( SCH_SCREEN* aScreen, PICKED_ITEMS_LIST& aItemsList, const wxPoint aMoveVector );
+void               MoveItemsInList( PICKED_ITEMS_LIST& aItemsList, const wxPoint aMoveVector );
 void               MirrorListOfItems( PICKED_ITEMS_LIST& aItemsList, wxPoint& Center );
-void               MirrorOneStruct( SCH_ITEM* DrawStruct, wxPoint&  Center );
+void               DeleteItemsInList( WinEDA_DrawPanel*  panel, PICKED_ITEMS_LIST& aItemsList );
+void               DuplicateItemsInList( SCH_SCREEN* screen, PICKED_ITEMS_LIST& aItemsList, const wxPoint aMoveVector  );
 
 /* Fonctions exportees */
-void               DeleteItemsInList( WinEDA_DrawPanel*  panel,
-                                             PICKED_ITEMS_LIST& aItemsList );
 
 /* Fonctions Locales */
-static void               DuplicateItemsInList( SCH_SCREEN* screen, PICKED_ITEMS_LIST& aItemsList, const wxPoint aMoveVector  );
 static void               CollectStructsToDrag( SCH_SCREEN* screen );
 static void               AddPickedItem( SCH_SCREEN* screen, wxPoint aPosition );
 static LibEDA_BaseStruct* GetNextPinPosition( SCH_COMPONENT* aDrawLibItem,
@@ -140,7 +138,7 @@ void WinEDA_SchematicFrame::HandleBlockPlace( wxDC* DC )
 
         SaveCopyInUndoList( block->m_ItemsSelection, UR_MOVED, block->m_MoveVector );
 
-        MoveItemsInList( GetScreen(), block->m_ItemsSelection, block->m_MoveVector );
+        MoveItemsInList( block->m_ItemsSelection, block->m_MoveVector );
         block->ClearItemsList();
         break;
 
@@ -287,7 +285,7 @@ int WinEDA_SchematicFrame::HandleBlockEnd( wxDC* DC )
             {
                 wxPoint move_vector =  -GetScreen()->m_BlockLocate.m_BlockLastCursorPosition;
                 SaveStructListForPaste( block->m_ItemsSelection );
-                MoveItemsInList( GetScreen(), g_BlockSaveDataList.m_ItemsSelection, move_vector);
+                MoveItemsInList( g_BlockSaveDataList.m_ItemsSelection, move_vector);
                 ii = -1;
             }
             block->ClearItemsList();
@@ -409,7 +407,7 @@ void WinEDA_SchematicFrame::HandleBlockEndByPopUp( int Command, wxDC* DC )
         {
             wxPoint move_vector =  -GetScreen()->m_BlockLocate.m_BlockLastCursorPosition;
             SaveStructListForPaste( block->m_ItemsSelection );
-            MoveItemsInList( GetScreen(), g_BlockSaveDataList.m_ItemsSelection, move_vector );
+            MoveItemsInList( g_BlockSaveDataList.m_ItemsSelection, move_vector );
             ii = -1;
         }
         break;
@@ -500,107 +498,6 @@ static void DrawMovingBlockOutlines( WinEDA_DrawPanel* panel, wxDC* DC,
 }
 
 
-
-/*****************************************************************************/
-void DuplicateItemsInList( SCH_SCREEN* screen, PICKED_ITEMS_LIST& aItemsList, const wxPoint aMoveVector )
-/*****************************************************************************/
-
-/* Routine to copy a new entity of an object for each object in list and reposition it.
- * Return the new created object list in aItemsList
- */
-{
-    SCH_ITEM* newitem;
-
-    if( aItemsList.GetCount() == 0 )
-        return;
-
-    for( unsigned ii = 0; ii < aItemsList.GetCount(); ii++ )
-    {
-        newitem = DuplicateStruct( (SCH_ITEM*) aItemsList.GetItemData( ii ) );
-        aItemsList.SetItem( newitem, ii );
-        aItemsList.SetItemStatus( UR_NEW, ii );
-        {
-            switch( newitem->Type() )
-            {
-            case DRAW_POLYLINE_STRUCT_TYPE:
-            case DRAW_JUNCTION_STRUCT_TYPE:
-            case DRAW_SEGMENT_STRUCT_TYPE:
-            case DRAW_BUSENTRY_STRUCT_TYPE:
-            case TYPE_SCH_TEXT:
-            case TYPE_SCH_LABEL:
-            case TYPE_SCH_GLOBALLABEL:
-            case TYPE_SCH_HIERLABEL:
-            case DRAW_HIERARCHICAL_PIN_SHEET_STRUCT_TYPE:
-            case DRAW_MARKER_STRUCT_TYPE:
-            case DRAW_NOCONNECT_STRUCT_TYPE:
-            default:
-                break;
-
-            case DRAW_SHEET_STRUCT_TYPE:
-            {
-                DrawSheetStruct* sheet = (DrawSheetStruct*) newitem;
-                sheet->m_TimeStamp = GetTimeStamp();
-                sheet->SetSon( NULL );
-                break;
-            }
-
-            case TYPE_SCH_COMPONENT:
-                ( (SCH_COMPONENT*) newitem )->m_TimeStamp = GetTimeStamp();
-                ( (SCH_COMPONENT*) newitem )->ClearAnnotation( NULL );
-                break;
-            }
-
-            SetaParent( newitem, screen );
-            newitem->SetNext( screen->EEDrawList );
-            screen->EEDrawList = newitem;
-        }
-    }
-
-    MoveItemsInList( screen, aItemsList, aMoveVector );
-}
-
-
-/*********************************************************************************/
-void DeleteStruct( WinEDA_DrawPanel* panel, wxDC* DC, SCH_ITEM* DrawStruct )
-/*********************************************************************************/
-
-/* Routine to delete an object from global drawing object list.
- *  Object is put in Undo list
- */
-{
-    SCH_SCREEN*            screen = (SCH_SCREEN*) panel->GetScreen();
-    WinEDA_SchematicFrame* frame  = (WinEDA_SchematicFrame*) panel->m_Parent;
-
-    if( !DrawStruct )
-        return;
-
-    if( DrawStruct->Type() == DRAW_HIERARCHICAL_PIN_SHEET_STRUCT_TYPE )
-    {
-        /* Cette stucture est rattachee a une feuille, et n'est pas
-         *  accessible par la liste globale directement */
-        frame->SaveCopyInUndoList( (SCH_ITEM*)( (Hierarchical_PIN_Sheet_Struct
-                                                 *) DrawStruct )->GetParent(),
-                                  UR_CHANGED );
-        frame->DeleteSheetLabel( DC ? true : false,
-                                 (Hierarchical_PIN_Sheet_Struct*) DrawStruct );
-        return;
-    }
-
-    else    /* structure classique */
-    {
-        screen->RemoveFromDrawList( DrawStruct );
-
-        panel->PostDirtyRect( DrawStruct->GetBoundingBox() );
-
-        /* Unlink the structure */
-        DrawStruct->SetNext( 0 );
-        DrawStruct->SetBack( 0 );  // Only one struct -> no link
-
-        frame->SaveCopyInUndoList( DrawStruct, UR_DELETED );
-    }
-}
-
-
 /*****************************************************************/
 void SaveStructListForPaste( PICKED_ITEMS_LIST& aItemsList )
 /*****************************************************************/
@@ -664,7 +561,7 @@ void WinEDA_SchematicFrame::PasteListOfItems( wxDC* DC )
 
     SaveCopyInUndoList( picklist, UR_NEW );
 
-    MoveItemsInList( GetScreen(), picklist, GetScreen()->m_BlockLocate.m_MoveVector );
+    MoveItemsInList( picklist, GetScreen()->m_BlockLocate.m_MoveVector );
 
     /* clear .m_Flags member for all items */
     for( Struct = GetScreen()->EEDrawList; Struct != NULL; Struct = Struct->Next() )
@@ -676,131 +573,6 @@ void WinEDA_SchematicFrame::PasteListOfItems( wxDC* DC )
 }
 
 
-/** function DeleteItemsInList
- * delete schematic items in aItemsList
- * deleted items are put in undo list
- */
-void DeleteItemsInList( WinEDA_DrawPanel* panel, PICKED_ITEMS_LIST& aItemsList )
-{
-    SCH_SCREEN*            screen = (SCH_SCREEN*) panel->GetScreen();
-    WinEDA_SchematicFrame* frame  = (WinEDA_SchematicFrame*) panel->m_Parent;
-    PICKED_ITEMS_LIST      itemsList;
-    ITEM_PICKER            itemWrapper;
-
-    for( unsigned ii = 0; ii < aItemsList.GetCount(); ii++ )
-    {
-        SCH_ITEM* item = (SCH_ITEM*) aItemsList.GetItemData( ii );
-        itemWrapper.m_Item = item;
-        itemWrapper.m_UndoRedoStatus = UR_DELETED;
-        if( item->Type() == DRAW_HIERARCHICAL_PIN_SHEET_STRUCT_TYPE )
-        {
-            /* this item is depending on a sheet, and is not in global list */
-            wxMessageBox( wxT(
-                             "DeleteItemsInList() err: unexpected DRAW_HIERARCHICAL_PIN_SHEET_STRUCT_TYPE" ) );
-#if 0
-            Hierarchical_PIN_Sheet_Struct* pinlabel = (Hierarchical_PIN_Sheet_Struct*) item;
-            frame->DeleteSheetLabel( false, pinlabel->m_Parent );
-            itemWrapper.m_Item = pinlabel->m_Parent;
-            itemWrapper.m_UndoRedoStatus = UR_CHANGED;
-            itemsList.PushItem( itemWrapper );
-#endif
-        }
-        else
-        {
-            screen->RemoveFromDrawList( item );
-
-            /* Unlink the structure */
-            item->SetNext( 0 );
-            item->SetBack( 0 );
-            itemsList.PushItem( itemWrapper );
-        }
-    }
-
-    frame->SaveCopyInUndoList( itemsList, UR_DELETED );
-}
-
-
-/************************************************************/
-SCH_ITEM* DuplicateStruct( SCH_ITEM* DrawStruct )
-/************************************************************/
-
-/* Routine to create a new copy of given struct.
- *  The new object is not put in draw list (not linked)
- */
-{
-    SCH_ITEM* NewDrawStruct = NULL;
-
-    if( DrawStruct == NULL )
-    {
-        DisplayError( NULL, wxT( "DuplicateStruct error: NULL struct" ) );
-        return NULL;
-    }
-
-    switch( DrawStruct->Type() )
-    {
-    case DRAW_POLYLINE_STRUCT_TYPE:
-        NewDrawStruct = ( (DrawPolylineStruct*) DrawStruct )->GenCopy();
-        break;
-
-    case DRAW_SEGMENT_STRUCT_TYPE:
-        NewDrawStruct = ( (EDA_DrawLineStruct*) DrawStruct )->GenCopy();
-        break;
-
-    case DRAW_BUSENTRY_STRUCT_TYPE:
-        NewDrawStruct = ( (DrawBusEntryStruct*) DrawStruct )->GenCopy();
-        break;
-
-    case DRAW_JUNCTION_STRUCT_TYPE:
-        NewDrawStruct = ( (DrawJunctionStruct*) DrawStruct )->GenCopy();
-        break;
-
-    case DRAW_MARKER_STRUCT_TYPE:
-        NewDrawStruct = ( (MARKER_SCH*) DrawStruct )->GenCopy();
-        break;
-
-    case DRAW_NOCONNECT_STRUCT_TYPE:
-        NewDrawStruct = ( (DrawNoConnectStruct*) DrawStruct )->GenCopy();
-        break;
-
-    case TYPE_SCH_TEXT:
-        NewDrawStruct = ( (SCH_TEXT*) DrawStruct )->GenCopy();
-        break;
-
-    case TYPE_SCH_LABEL:
-        NewDrawStruct = ( (SCH_LABEL*) DrawStruct )->GenCopy();
-        break;
-
-    case TYPE_SCH_HIERLABEL:
-        NewDrawStruct = ( (SCH_HIERLABEL*) DrawStruct )->GenCopy();
-        break;
-
-    case TYPE_SCH_GLOBALLABEL:
-        NewDrawStruct = ( (SCH_GLOBALLABEL*) DrawStruct )->GenCopy();
-        break;
-
-    case TYPE_SCH_COMPONENT:
-        NewDrawStruct = ( (SCH_COMPONENT*) DrawStruct )->GenCopy();
-        break;
-
-    case DRAW_SHEET_STRUCT_TYPE:
-        NewDrawStruct = ( (DrawSheetStruct*) DrawStruct )->GenCopy();
-        break;
-
-    default:
-    {
-        wxString msg;
-        msg << wxT( "DuplicateStruct error: unexpected StructType " ) <<
-        DrawStruct->Type() << wxT( " " ) << DrawStruct->GetClass();
-        DisplayError( NULL, msg );
-    }
-    break;
-    }
-
-    NewDrawStruct->m_Image = DrawStruct;
-    return NewDrawStruct;
-}
-
-
 /****************************************************/
 static void CollectStructsToDrag( SCH_SCREEN* screen )
 /****************************************************/
diff --git a/eeschema/class_drawsheet.cpp b/eeschema/class_drawsheet.cpp
index 88e815c933..99a1ef9101 100644
--- a/eeschema/class_drawsheet.cpp
+++ b/eeschema/class_drawsheet.cpp
@@ -705,6 +705,27 @@ void DrawSheetStruct::DisplayInfo( WinEDA_DrawFrame* frame )
 }
 
 
+/** virtual function Mirror_Y
+ * mirror item relative to an Y axis
+ * @param aYaxis_position = the y axis position
+ */
+void DrawSheetStruct::Mirror_Y(int aYaxis_position)
+{
+    m_Pos.x -= aYaxis_position;
+    NEGATE( m_Pos.x );
+    m_Pos.x += aYaxis_position;
+
+    m_Pos.x -= m_Size.x;
+
+   Hierarchical_PIN_Sheet_Struct*  label = m_Label;
+    while( label != NULL )
+    {
+        label->Mirror_Y( aYaxis_position );
+        label = label->Next();
+    }
+}
+
+
 #if defined(DEBUG)
 void DrawSheetStruct::Show( int nestLevel, std::ostream& os )
 {
diff --git a/eeschema/class_drawsheet.h b/eeschema/class_drawsheet.h
index 11cecba823..fc55f073a3 100644
--- a/eeschema/class_drawsheet.h
+++ b/eeschema/class_drawsheet.h
@@ -70,6 +70,28 @@ public:
      * @param Pos = Position of the shape
      */
     void CreateGraphicShape( std::vector <wxPoint>& aCorner_list, const wxPoint& Pos );
+
+    // Geometric transforms (used in block operations):
+    /** virtual function Move
+     * move item to a new position.
+     * @param aMoveVector = the deplacement vector
+     */
+    virtual void Move(const wxPoint& aMoveVector)
+    {
+        m_Pos += aMoveVector;
+    }
+
+    /** virtual function Mirror_Y
+     * mirror item relative to an Y axis
+     * @param aYaxis_position = the y axis position
+     */
+    virtual void Mirror_Y(int aYaxis_position)
+    {
+        m_Edge = m_Edge ? 0 : 1;
+        m_Pos.x -= aYaxis_position;
+        NEGATE(  m_Pos.x );
+        m_Pos.x += aYaxis_position;
+    }
 };
 
 
@@ -224,6 +246,28 @@ public:
     //to remove a sheet, just delete it
     //-- the destructor should take care of everything else.
 
+    // Geometric transforms (used in block operations):
+    /** virtual function Move
+     * move item to a new position.
+     * @param aMoveVector = the deplacement vector
+     */
+    virtual void Move(const wxPoint& aMoveVector)
+    {
+        m_Pos += aMoveVector;
+        Hierarchical_PIN_Sheet_Struct* label    = m_Label;
+        while( label != NULL )
+        {
+            label->Move( aMoveVector );
+            label = label->Next();
+        }
+    }
+
+    /** virtual function Mirror_Y
+     * mirror item relative to an Y axis
+     * @param aYaxis_position = the y axis position
+     */
+    virtual void Mirror_Y(int aYaxis_position);
+
 #if defined (DEBUG)
 
     // comment inherited by Doxygen from Base_Struct
diff --git a/eeschema/class_marker_sch.h b/eeschema/class_marker_sch.h
index 955251da2e..521bf575e3 100644
--- a/eeschema/class_marker_sch.h
+++ b/eeschema/class_marker_sch.h
@@ -77,6 +77,27 @@ public:
     virtual EDA_Rect GetBoundingBox();
 
 
+    // Geometric transforms (used in block operations):
+    /** virtual function Move
+     * move item to a new position.
+     * @param aMoveVector = the deplacement vector
+     */
+    virtual void Move(const wxPoint& aMoveVector)
+    {
+        m_Pos += aMoveVector;
+    }
+
+    /** virtual function Mirror_Y
+     * mirror item relative to an Y axis
+     * @param aYaxis_position = the y axis position
+     */
+    virtual void Mirror_Y(int aYaxis_position)
+    {
+        m_Pos.x -= aYaxis_position;
+        m_Pos.x = - m_Pos.x;
+        m_Pos.x += aYaxis_position;
+    }
+
 #if defined(DEBUG)
     void              Show( int nestLevel, std::ostream& os );
 #endif
diff --git a/eeschema/class_sch_cmp_field.h b/eeschema/class_sch_cmp_field.h
index 0549e46666..f19f243ba1 100644
--- a/eeschema/class_sch_cmp_field.h
+++ b/eeschema/class_sch_cmp_field.h
@@ -78,6 +78,28 @@ public:
      * @return bool - true if success writing else false.
      */
     bool Save( FILE* aFile ) const;
+
+    // Geometric transforms (used in block operations):
+    /** virtual function Move
+     * move item to a new position.
+     * @param aMoveVector = the deplacement vector
+     */
+    virtual void Move(const wxPoint& aMoveVector)
+    {
+        m_Pos += aMoveVector;
+    }
+
+    /** virtual function Mirror_Y
+     * mirror item relative to an Y axis
+     * @param aYaxis_position = the y axis position
+     */
+    virtual void Mirror_Y(int aYaxis_position)
+    {
+        /* Do Nothing: fields are never mirrored alone.
+         * they are moved when the parent component is mirrored
+         * this function is only needed by the virtual pure function of the master class
+         */
+    }
 };
 
 
diff --git a/eeschema/component_class.cpp b/eeschema/class_sch_component.cpp
similarity index 97%
rename from eeschema/component_class.cpp
rename to eeschema/class_sch_component.cpp
index 7ff38b28d2..46fa6f88e1 100644
--- a/eeschema/component_class.cpp
+++ b/eeschema/class_sch_component.cpp
@@ -1,12 +1,11 @@
-/***********************************************************************/
-/* component_class.cpp : handle the  class SCH_COMPONENT  */
-/***********************************************************************/
+/**************************************************************/
+/* class_sch_component.cpp : handle the  class SCH_COMPONENT  */
+/**************************************************************/
 
 #include "fctsys.h"
 #include "class_drawpanel.h"
 #include "gr_basic.h"
 #include "common.h"
-#include "confirm.h"
 #include "program.h"
 #include "libcmp.h"
 #include "general.h"
@@ -14,14 +13,8 @@
 
 #include "protos.h"
 
-#include <wx/arrimpl.cpp>
 #include <wx/tokenzr.h>
 
-#include "component_class.h"
-
-
-WX_DEFINE_OBJARRAY( ArrayOfSheetLists );
-
 
 /* Local variables */
 static EDA_LibComponentStruct* DummyCmp;
@@ -148,6 +141,7 @@ void DrawLibPartAux( WinEDA_DrawPanel* panel, wxDC* DC,
 }
 
 
+
 /*******************************************************************/
 SCH_COMPONENT::SCH_COMPONENT( const wxPoint& aPos, SCH_ITEM* aParent ) :
     SCH_ITEM( aParent, TYPE_SCH_COMPONENT )
@@ -797,7 +791,7 @@ void SCH_COMPONENT::SetRotationMiroir( int type_rotate )
 
     default:
         Transform = FALSE;
-        DisplayError( NULL, wxT( "SetRotateMiroir() error: ill value" ) );
+        wxMessageBox( wxT( "SetRotateMiroir() error: ill value" ) );
         break;
     }
 
@@ -873,7 +867,7 @@ int SCH_COMPONENT::GetRotationMiroir()
     }
 
     // Error: orientation not found in list (should not happen)
-    DisplayError(NULL, wxT("Component orientation matrix internal error") );
+    wxMessageBox(wxT("Component orientation matrix internal error") );
     memcpy( m_Transform, ComponentMatOrient, sizeof( ComponentMatOrient ) );
     return CMP_NORMAL;
 }
@@ -1093,3 +1087,23 @@ void SCH_COMPONENT::DisplayInfo( WinEDA_DrawFrame* frame )
                              DARKCYAN );
     }
 }
+
+/** virtual function Mirror_Y
+ * mirror item relative to an Y axis
+ * @param aYaxis_position = the y axis position
+ */
+void SCH_COMPONENT::Mirror_Y(int aYaxis_position)
+{
+    int dx = m_Pos.x;
+    SetRotationMiroir( CMP_MIROIR_Y );
+    m_Pos.x -= aYaxis_position;
+    NEGATE( m_Pos.x );
+    m_Pos.x += aYaxis_position;
+    dx -= m_Pos.x;     // dx,0 is the move vector for this transform
+
+    for( int ii = 0; ii < GetFieldCount(); ii++ )
+    {
+        /* move the fields to the new position because the component itself has moved */
+        GetField( ii )->m_Pos.x -= dx;
+    }
+}
diff --git a/eeschema/component_class.h b/eeschema/class_sch_component.h
similarity index 94%
rename from eeschema/component_class.h
rename to eeschema/class_sch_component.h
index 47cda596a0..6e8b929cdf 100644
--- a/eeschema/component_class.h
+++ b/eeschema/class_sch_component.h
@@ -285,7 +285,25 @@ public:
      */
     virtual int GetPenSize( ) { return 0; }
 
-#if defined (DEBUG)
+    // Geometric transforms (used in block operations):
+    /** virtual function Move
+     * move item to a new position.
+     * @param aMoveVector = the deplacement vector
+     */
+    virtual void Move(const wxPoint& aMoveVector)
+    {
+        m_Pos += aMoveVector;
+        for( int ii = 0; ii < GetFieldCount(); ii++ )
+            GetField( ii )->Move(aMoveVector);
+    }
+
+    /** virtual function Mirror_Y
+     * mirror item relative to an Y axis
+     * @param aYaxis_position = the y axis position
+     */
+    virtual void Mirror_Y(int aYaxis_position);
+
+    #if defined (DEBUG)
 
     /**
      * Function Show
diff --git a/eeschema/class_schematic_items.h b/eeschema/class_schematic_items.h
index 7373a31859..cdb36a170f 100644
--- a/eeschema/class_schematic_items.h
+++ b/eeschema/class_schematic_items.h
@@ -69,6 +69,33 @@ public:
      */
     virtual int GetPenSize( );
 
+    // Geometric transforms (used in block operations):
+    /** virtual function Move
+     * move item to a new position.
+     * @param aMoveVector = the deplacement vector
+     */
+    virtual void Move(const wxPoint& aMoveVector)
+    {
+        if( (m_Flags & STARTPOINT) == 0 )
+            m_Start += aMoveVector;
+        if( (m_Flags & ENDPOINT) == 0 )
+            m_End += aMoveVector;
+    }
+
+    /** virtual function Mirror_Y
+     * mirror item relative to an Y axis
+     * @param aYaxis_position = the y axis position
+     */
+    virtual void Mirror_Y(int aYaxis_position)
+    {
+        m_Start.x -= aYaxis_position;
+        NEGATE(  m_Start.x );
+        m_Start.x += aYaxis_position;
+        m_End.x -= aYaxis_position;
+        NEGATE(  m_End.x );
+        m_End.x += aYaxis_position;
+    }
+
 #if defined(DEBUG)
     void         Show( int nestLevel, std::ostream& os );
 #endif
@@ -116,6 +143,26 @@ public:
     bool HitTest( const wxPoint& aPosRef );
 
     EDA_Rect             GetBoundingBox();
+    // Geometric transforms (used in block operations):
+    /** virtual function Move
+     * move item to a new position.
+     * @param aMoveVector = the deplacement vector
+     */
+    virtual void Move(const wxPoint& aMoveVector)
+    {
+        m_Pos += aMoveVector;
+    }
+
+    /** virtual function Mirror_Y
+     * mirror item relative to an Y axis
+     * @param aYaxis_position = the y axis position
+     */
+    virtual void Mirror_Y(int aYaxis_position)
+    {
+        m_Pos.x -= aYaxis_position;
+        NEGATE(  m_Pos.x );
+        m_Pos.x += aYaxis_position;
+    }
 };
 
 
@@ -162,6 +209,27 @@ public:
      */
     virtual int GetPenSize( );
 
+    // Geometric transforms (used in block operations):
+    /** virtual function Move
+     * move item to a new position.
+     * @param aMoveVector = the deplacement vector
+     */
+    virtual void Move(const wxPoint& aMoveVector)
+    {
+        m_Pos += aMoveVector;
+    }
+
+    /** virtual function Mirror_Y
+     * mirror item relative to an Y axis
+     * @param aYaxis_position = the y axis position
+     */
+    virtual void Mirror_Y(int aYaxis_position)
+    {
+        m_Pos.x -= aYaxis_position;
+        NEGATE(  m_Pos.x );
+        m_Pos.x += aYaxis_position;
+        NEGATE(  m_Size.x );
+    }
 };
 
 class DrawPolylineStruct  : public SCH_ITEM /* Polyligne (serie de segments) */
@@ -213,6 +281,29 @@ public:
      */
     virtual int GetPenSize( );
 
+    // Geometric transforms (used in block operations):
+    /** virtual function Move
+     * move item to a new position.
+     * @param aMoveVector = the deplacement vector
+     */
+    virtual void Move(const wxPoint& aMoveVector)
+    {
+        for( unsigned ii = 0; ii < GetCornerCount(); ii++ )
+            m_PolyPoints[ii] += aMoveVector;
+    }
+    /** virtual function Mirror_Y
+     * mirror item relative to an Y axis
+     * @param aYaxis_position = the y axis position
+     */
+    virtual void Mirror_Y(int aYaxis_position)
+    {
+        for( unsigned ii = 0; ii < GetCornerCount(); ii++ )
+        {
+            m_PolyPoints[ii].x -= aYaxis_position;
+            NEGATE(  m_PolyPoints[ii].x );
+            m_PolyPoints[ii].x = aYaxis_position;
+        }
+    }
 };
 
 
@@ -257,6 +348,27 @@ public:
      */
     bool                Save( FILE* aFile ) const;
 
+    // Geometric transforms (used in block operations):
+    /** virtual function Move
+     * move item to a new position.
+     * @param aMoveVector = the deplacement vector
+     */
+    virtual void Move(const wxPoint& aMoveVector)
+    {
+        m_Pos += aMoveVector;
+    }
+
+    /** virtual function Mirror_Y
+     * mirror item relative to an Y axis
+     * @param aYaxis_position = the y axis position
+     */
+    virtual void Mirror_Y(int aYaxis_position)
+    {
+        m_Pos.x -= aYaxis_position;
+        NEGATE(  m_Pos.x );
+        m_Pos.x += aYaxis_position;
+    }
+
 #if defined(DEBUG)
     void                Show( int nestLevel, std::ostream& os );
 #endif
diff --git a/eeschema/class_text-label.cpp b/eeschema/class_text-label.cpp
index 9005921552..76d007d40f 100644
--- a/eeschema/class_text-label.cpp
+++ b/eeschema/class_text-label.cpp
@@ -186,6 +186,31 @@ wxPoint SCH_LABEL::GetSchematicTextOffset()
 }
 
 
+/** virtual function Mirror_Y
+ * mirror item relative to an Y axis
+ * @param aYaxis_position = the y axis position
+ */
+void SCH_TEXT::Mirror_Y(int aYaxis_position)
+{
+    // Text is NOT really mirrored; it is moved to a suitable position
+    // which is the closest position for a true mirrored text
+    // The center position is mirrored and the text is moved for half horizontal len
+    int px = m_Pos.x;
+    int dx;
+    if( m_Orient == 0 )       /* horizontal text */
+        dx = LenSize( m_Text ) / 2;
+    else if( m_Orient == 2 )  /* invert horizontal text*/
+        dx = -LenSize( m_Text ) / 2;
+    else
+        dx = 0;
+    px += dx;
+    px -= aYaxis_position;
+    NEGATE(px);
+    px += aYaxis_position;
+    px -= dx;
+    m_Pos.x = px;
+}
+
 /** function GetSchematicTextOffset (virtual)
  * @return the offset between the SCH_TEXT position and the text itself position
  * This offset depend on orientation, and the type of text
@@ -221,6 +246,41 @@ wxPoint SCH_HIERLABEL::GetSchematicTextOffset()
     return text_offset;
 }
 
+/** virtual function Mirror_Y
+ * mirror item relative to an Y axis
+ * @param aYaxis_position = the y axis position
+ */
+void SCH_HIERLABEL::Mirror_Y(int aYaxis_position)
+{
+    // Text is NOT really mirrored; it is moved to a suitable position
+    // which is the closest position for a true mirrored text
+    // The center position is mirrored and the text is moved for half horizontal len
+    if( m_Orient == 0 )       /* horizontal text */
+        m_Orient = 2;
+    else if( m_Orient == 2 )  /* invert horizontal text*/
+        m_Orient = 0;
+    m_Pos.x -= aYaxis_position;
+    NEGATE(m_Pos.x);
+    m_Pos.x += aYaxis_position;
+}
+
+/** virtual function Mirror_Y
+ * mirror item relative to an Y axis
+ * @param aYaxis_position = the y axis position
+ */
+void SCH_GLOBALLABEL::Mirror_Y(int aYaxis_position)
+{
+    // Text is NOT really mirrored; it is moved to a suitable position
+    // which is the closest position for a true mirrored text
+    // The center position is mirrored and the text is moved for half horizontal len
+    if( m_Orient == 0 )       /* horizontal text */
+        m_Orient = 2;
+    else if( m_Orient == 2 )  /* invert horizontal text*/
+        m_Orient = 0;
+    m_Pos.x -= aYaxis_position;
+    NEGATE(m_Pos.x);
+    m_Pos.x += aYaxis_position;
+}
 
 /** function GetSchematicTextOffset (virtual)
  * @return the offset between the SCH_TEXT position and the text itself position
diff --git a/eeschema/class_text-label.h b/eeschema/class_text-label.h
index 7a7da9ae38..a3bf02a1f5 100644
--- a/eeschema/class_text-label.h
+++ b/eeschema/class_text-label.h
@@ -102,6 +102,21 @@ public:
      */
     int GetPenSize( );
 
+    // Geometric transforms (used in block operations):
+    /** virtual function Move
+     * move item to a new position.
+     * @param aMoveVector = the deplacement vector
+     */
+    virtual void Move(const wxPoint& aMoveVector)
+    {
+        m_Pos += aMoveVector;
+    }
+
+    /** virtual function Mirror_Y
+     * mirror item relative to an Y axis
+     * @param aYaxis_position = the y axis position
+     */
+    virtual void Mirror_Y(int aYaxis_position);
 
 #if defined(DEBUG)
     void         Show( int nestLevel, std::ostream& os );
@@ -209,6 +224,12 @@ public:
      * @param Pos = Position of the shape
      */
     void     CreateGraphicShape( std::vector <wxPoint>& aCorner_list, const wxPoint& Pos );
+
+    /** virtual function Mirror_Y
+     * mirror item relative to an Y axis
+     * @param aYaxis_position = the y axis position
+     */
+    virtual void Mirror_Y(int aYaxis_position);
 };
 
 
@@ -268,6 +289,11 @@ public:
     bool     HitTest( const wxPoint& aPosRef );
 
     EDA_Rect GetBoundingBox();
+    /** virtual function Mirror_Y
+     * mirror item relative to an Y axis
+     * @param aYaxis_position = the y axis position
+     */
+    virtual void Mirror_Y(int aYaxis_position);
 };
 
 #endif /* CLASS_TEXT_LABEL_H */
diff --git a/eeschema/eelibs_draw_components.cpp b/eeschema/eelibs_draw_components.cpp
index 6302ee0b4b..41a69f1465 100644
--- a/eeschema/eelibs_draw_components.cpp
+++ b/eeschema/eelibs_draw_components.cpp
@@ -9,7 +9,6 @@
 #include "drawtxt.h"
 #include "program.h"
 #include "libcmp.h"
-#include "component_class.h"
 #include "general.h"
 #include "trigo.h"
 #include "protos.h"
diff --git a/eeschema/geometric_transforms.cpp b/eeschema/geometric_transforms.cpp
deleted file mode 100644
index b93518b922..0000000000
--- a/eeschema/geometric_transforms.cpp
+++ /dev/null
@@ -1,326 +0,0 @@
-/****************************************************/
-/*	BLOCK.CPP										*/
-/* Gestion des Operations sur Blocks et Effacements */
-/****************************************************/
-
-#include "fctsys.h"
-#include "appl_wxstruct.h"
-#include "common.h"
-#include "class_drawpanel.h"
-#include "program.h"
-#include "libcmp.h"
-#include "general.h"
-#include "class_marker_sch.h"
-
-#include "protos.h"
-
-/* Variables Locales */
-
-/* Fonctions exportees */
-void               MoveItemsInList( SCH_SCREEN* aScreen, PICKED_ITEMS_LIST& aItemsList, const wxPoint aMoveVector );
-void               MirrorListOfItems( PICKED_ITEMS_LIST& aItemsList, wxPoint& aMirrorPoint );
-void               MirrorOneStruct( SCH_ITEM* DrawStruct, wxPoint&  aMirrorPoint );
-
-
-/*
-* Small function to mirror (relative to a vertiacl axis at aMirrorPoint.x position)
-* a given point
-*/
-static void MirrorYPoint( wxPoint& point, wxPoint& aMirrorPoint )
-{
-    point.x -= aMirrorPoint.x;
-    NEGATE( point.x );
-    point.x += aMirrorPoint.x;
-}
-
-
-/**************************************************************/
-void MirrorOneStruct( SCH_ITEM* DrawStruct, wxPoint& aMirrorPoint )
-/**************************************************************/
-
-/* Given a structure rotate it to 90 degrees refer to the aMirrorPoint point.
- */
-{
-    int dx;
-    DrawPolylineStruct*            DrawPoly;
-    DrawJunctionStruct*            DrawConnect;
-    EDA_DrawLineStruct*            DrawSegment;
-    DrawBusEntryStruct*            DrawRaccord;
-    SCH_COMPONENT*                 DrawLibItem;
-    DrawSheetStruct*               DrawSheet;
-    Hierarchical_PIN_Sheet_Struct* DrawSheetLabel;
-    MARKER_SCH* DrawMarker;
-    DrawNoConnectStruct*           DrawNoConnect;
-    SCH_TEXT* DrawText;
-    wxPoint px;
-
-    if( !DrawStruct )
-        return;
-
-    switch( DrawStruct->Type() )
-    {
-    case TYPE_NOT_INIT:
-        break;
-
-    case DRAW_POLYLINE_STRUCT_TYPE:
-        DrawPoly = (DrawPolylineStruct*) DrawStruct;
-        for( unsigned ii = 0; ii < DrawPoly->GetCornerCount(); ii++ )
-        {
-            wxPoint point;
-            point = DrawPoly->m_PolyPoints[ii];
-            MirrorYPoint( point, aMirrorPoint );
-            DrawPoly->m_PolyPoints[ii] = point;
-        }
-
-        break;
-
-    case DRAW_SEGMENT_STRUCT_TYPE:
-        DrawSegment = (EDA_DrawLineStruct*) DrawStruct;
-        if( (DrawSegment->m_Flags & STARTPOINT) == 0 )
-        {
-            MirrorYPoint( DrawSegment->m_Start, aMirrorPoint );
-        }
-        if( (DrawSegment->m_Flags & ENDPOINT) == 0 )
-        {
-            MirrorYPoint( DrawSegment->m_End, aMirrorPoint );
-        }
-        break;
-
-    case DRAW_BUSENTRY_STRUCT_TYPE:
-        DrawRaccord = (DrawBusEntryStruct*) DrawStruct;
-        MirrorYPoint( DrawRaccord->m_Pos, aMirrorPoint );
-        NEGATE( DrawRaccord->m_Size.x );
-        break;
-
-    case DRAW_JUNCTION_STRUCT_TYPE:
-        DrawConnect = (DrawJunctionStruct*) DrawStruct;
-        MirrorYPoint( DrawConnect->m_Pos, aMirrorPoint );
-        break;
-
-    case DRAW_MARKER_STRUCT_TYPE:
-        DrawMarker = (MARKER_SCH*) DrawStruct;
-        MirrorYPoint( DrawMarker->m_Pos, aMirrorPoint );
-        break;
-
-    case DRAW_NOCONNECT_STRUCT_TYPE:
-        DrawNoConnect = (DrawNoConnectStruct*) DrawStruct;
-        MirrorYPoint( DrawNoConnect->m_Pos, aMirrorPoint );
-        break;
-
-    case TYPE_SCH_TEXT:
-    case TYPE_SCH_LABEL:
-
-        // Text is NOT really mirrored; it is moved to a suitable position
-        // which is the closest position for a true mirrored text
-        // The center position is mirrored and the text is moved for half horizontal len
-        DrawText = (SCH_TEXT*) DrawStruct;
-        px = DrawText->m_Pos;
-        if( DrawText->m_Orient == 0 )       /* horizontal text */
-            dx = DrawText->LenSize( DrawText->m_Text ) / 2;
-        else if( DrawText->m_Orient == 2 )  /* invert horizontal text*/
-            dx = -DrawText->LenSize( DrawText->m_Text ) / 2;
-        else
-            dx = 0;
-        px.x += dx;
-        MirrorYPoint( px, aMirrorPoint );
-        px.x -= dx;
-        DrawText->m_Pos.x = px.x;
-        break;
-
-    case TYPE_SCH_HIERLABEL:
-    case TYPE_SCH_GLOBALLABEL:
-
-        // Text is not really mirrored: Orientation is changed
-        DrawText = (SCH_LABEL*) DrawStruct;
-        if( DrawText->m_Orient == 0 )       /* horizontal text */
-            DrawText->m_Orient = 2;
-        else if( DrawText->m_Orient == 2 )  /* invert horizontal text*/
-            DrawText->m_Orient = 0;
-
-        MirrorYPoint( DrawText->m_Pos, aMirrorPoint );
-        break;
-
-    case TYPE_SCH_COMPONENT:
-    {
-        DrawLibItem = (SCH_COMPONENT*) DrawStruct;
-        dx = DrawLibItem->m_Pos.x;
-        WinEDA_SchematicFrame* frame = (WinEDA_SchematicFrame*) wxGetApp().GetTopWindow();
-        frame->CmpRotationMiroir( DrawLibItem, NULL, CMP_MIROIR_Y );
-        MirrorYPoint( DrawLibItem->m_Pos, aMirrorPoint );
-        dx -= DrawLibItem->m_Pos.x;     // dx,0 is the move vector for this transform
-
-        for( int ii = 0; ii < DrawLibItem->GetFieldCount(); ii++ )
-        {
-            /* move the fields to the new position because the component itself has moved */
-            DrawLibItem->GetField( ii )->m_Pos.x -= dx;
-        }
-    }
-        break;
-
-    case DRAW_SHEET_STRUCT_TYPE:
-        DrawSheet = (DrawSheetStruct*) DrawStruct;
-        MirrorYPoint( DrawSheet->m_Pos, aMirrorPoint );
-        DrawSheet->m_Pos.x -= DrawSheet->m_Size.x;
-
-        DrawSheetLabel = DrawSheet->m_Label;
-        while( DrawSheetLabel != NULL )
-        {
-            MirrorYPoint( DrawSheetLabel->m_Pos, aMirrorPoint );
-            DrawSheetLabel->m_Edge = DrawSheetLabel->m_Edge ? 0 : 1;
-            DrawSheetLabel =
-                (Hierarchical_PIN_Sheet_Struct*) DrawSheetLabel->Next();
-        }
-
-        break;
-
-    case DRAW_HIERARCHICAL_PIN_SHEET_STRUCT_TYPE:
-        DrawSheetLabel = (Hierarchical_PIN_Sheet_Struct*) DrawStruct;
-        MirrorYPoint( DrawSheetLabel->m_Pos, aMirrorPoint );
-        break;
-
-    default:
-        break;
-    }
-}
-
-
-/*****************************************************************************
-* Routine to Mirror objects.							 *
-*****************************************************************************/
-void MirrorListOfItems( PICKED_ITEMS_LIST& aItemsList, wxPoint& aMirrorPoint )
-{
-    for( unsigned ii = 0; ii < aItemsList.GetCount(); ii++ )
-    {
-        SCH_ITEM* item = (SCH_ITEM*) aItemsList.GetItemData( ii );
-        MirrorOneStruct( item, aMirrorPoint );      // Place it in its new position.
-        item->m_Flags = 0;
-    }
-}
-
-
-
-/*****************************************************************************
-* Routine to place a given object.											 *
-*****************************************************************************/
-void MoveItemsInList( SCH_SCREEN* aScreen, PICKED_ITEMS_LIST& aItemsList, const wxPoint aMoveVector )
-{
-    for( unsigned ii = 0; ii < aItemsList.GetCount(); ii++ )
-    {
-        SCH_ITEM* item = (SCH_ITEM*) aItemsList.GetItemData( ii );
-        MoveOneStruct( item, aMoveVector );
-    }
-}
-
-
-/**************************************************************************/
-void MoveOneStruct( SCH_ITEM* aItem, const wxPoint& aMoveVector )
-/*************************************************************************/
-/* Given a structure move it by aMoveVector.
- */
-{
-    DrawPolylineStruct*            DrawPoly;
-    DrawJunctionStruct*            DrawConnect;
-    EDA_DrawLineStruct*            DrawSegment;
-    DrawBusEntryStruct*            DrawRaccord;
-    SCH_COMPONENT*                 DrawLibItem;
-    DrawSheetStruct*               DrawSheet;
-    Hierarchical_PIN_Sheet_Struct* DrawSheetLabel;
-    MARKER_SCH* DrawMarker;
-    DrawNoConnectStruct*           DrawNoConnect;
-
-    if( !aItem )
-        return;
-
-    switch( aItem->Type() )
-    {
-    case TYPE_NOT_INIT:
-        break;
-
-    case DRAW_POLYLINE_STRUCT_TYPE:
-        DrawPoly = (DrawPolylineStruct*) aItem;
-        for( unsigned ii = 0; ii < DrawPoly->GetCornerCount(); ii++ )
-        {
-            DrawPoly->m_PolyPoints[ii] += aMoveVector;
-        }
-
-        break;
-
-    case DRAW_SEGMENT_STRUCT_TYPE:
-        DrawSegment = (EDA_DrawLineStruct*) aItem;
-        if( (DrawSegment->m_Flags & STARTPOINT) == 0 )
-        {
-            DrawSegment->m_Start += aMoveVector;
-        }
-        if( (DrawSegment->m_Flags & ENDPOINT) == 0 )
-        {
-            DrawSegment->m_End += aMoveVector;
-        }
-        break;
-
-    case DRAW_BUSENTRY_STRUCT_TYPE:
-        DrawRaccord = (DrawBusEntryStruct*) aItem;
-        DrawRaccord->m_Pos += aMoveVector;
-        break;
-
-    case DRAW_JUNCTION_STRUCT_TYPE:
-        DrawConnect = (DrawJunctionStruct*) aItem;
-        DrawConnect->m_Pos += aMoveVector;
-        break;
-
-    case DRAW_MARKER_STRUCT_TYPE:
-        DrawMarker = (MARKER_SCH*) aItem;
-        DrawMarker->m_Pos += aMoveVector;
-        break;
-
-    case DRAW_NOCONNECT_STRUCT_TYPE:
-        DrawNoConnect = (DrawNoConnectStruct*) aItem;
-        DrawNoConnect->m_Pos += aMoveVector;
-        break;
-
-    case TYPE_SCH_TEXT:
-             #define DrawText ( (SCH_TEXT*) aItem )
-        DrawText->m_Pos += aMoveVector;
-        break;
-
-    case TYPE_SCH_LABEL:
-             #define DrawLabel ( (SCH_LABEL*) aItem )
-        DrawLabel->m_Pos += aMoveVector;
-        break;
-
-    case TYPE_SCH_HIERLABEL:
-    case TYPE_SCH_GLOBALLABEL:
-             #define DrawGHLabel ( (SCH_LABEL*) aItem )
-        DrawGHLabel->m_Pos += aMoveVector;
-        break;
-
-    case TYPE_SCH_COMPONENT:
-        DrawLibItem = (SCH_COMPONENT*) aItem;
-        DrawLibItem->m_Pos += aMoveVector;
-        for( int ii = 0; ii < DrawLibItem->GetFieldCount(); ii++ )
-        {
-            DrawLibItem->GetField( ii )->m_Pos += aMoveVector;
-        }
-
-        break;
-
-    case DRAW_SHEET_STRUCT_TYPE:
-        DrawSheet = (DrawSheetStruct*) aItem;
-        DrawSheet->m_Pos += aMoveVector;
-        DrawSheetLabel    = DrawSheet->m_Label;
-        while( DrawSheetLabel != NULL )
-        {
-            DrawSheetLabel->m_Pos += aMoveVector;
-            DrawSheetLabel = DrawSheetLabel->Next();
-        }
-
-        break;
-
-    case DRAW_HIERARCHICAL_PIN_SHEET_STRUCT_TYPE:
-        DrawSheetLabel = (Hierarchical_PIN_Sheet_Struct*) aItem;
-        DrawSheetLabel->m_Pos += aMoveVector;
-        break;
-
-    default:
-        break;
-    }
-}
diff --git a/eeschema/getpart.cpp b/eeschema/getpart.cpp
index 51cbdc0548..228c21bd55 100644
--- a/eeschema/getpart.cpp
+++ b/eeschema/getpart.cpp
@@ -258,9 +258,8 @@ static void ShowWhileMoving( WinEDA_DrawPanel* panel, wxDC* DC, bool erase )
         DrawStructsInGhost( panel, DC, Component, wxPoint(0,0) );
     }
 
-    move_vector.x = screen->m_Curseur.x - Component->m_Pos.x;
-    move_vector.y = screen->m_Curseur.y - Component->m_Pos.y;
-    MoveOneStruct( Component, move_vector );
+    move_vector = screen->m_Curseur - Component->m_Pos;
+    Component->Move( move_vector );
 
     DrawStructsInGhost( panel, DC, Component, wxPoint(0,0) );
 }
@@ -327,15 +326,9 @@ static void ExitPlaceCmp( WinEDA_DrawPanel* Panel, wxDC* DC )
     }
     else if( Component )   /* Deplacement ancien composant en cours */
     {
-        wxPoint move_vector;
-
-        move_vector.x = OldPos.x - Component->m_Pos.x;
-        move_vector.y = OldPos.y - Component->m_Pos.y;
-
-        MoveOneStruct( Component, move_vector );
-
+        wxPoint move_vector = OldPos - Component->m_Pos;
+        Component->Move( move_vector );
         memcpy( Component->m_Transform, OldTransMat, sizeof(OldTransMat) );
-
         Component->m_Flags = 0;
     }
 
diff --git a/eeschema/operations_on_items_lists.cpp b/eeschema/operations_on_items_lists.cpp
new file mode 100644
index 0000000000..7651114834
--- /dev/null
+++ b/eeschema/operations_on_items_lists.cpp
@@ -0,0 +1,281 @@
+/***************************************************
+ *	operations_on_item_lists.cpp
+ * functions used in block commands, on lists of schematic items:
+ * move, mirror, delete anc copy
+ ****************************************************/
+
+#include "fctsys.h"
+#include "appl_wxstruct.h"
+#include "common.h"
+#include "class_drawpanel.h"
+#include "program.h"
+#include "libcmp.h"
+#include "general.h"
+#include "class_marker_sch.h"
+
+#include "protos.h"
+
+/* Exported Functions */
+void               MoveItemsInList( PICKED_ITEMS_LIST& aItemsList, const wxPoint aMoveVector );
+void               MirrorListOfItems( PICKED_ITEMS_LIST& aItemsList, wxPoint& aMirrorPoint );
+void               DeleteItemsInList( WinEDA_DrawPanel*  panel, PICKED_ITEMS_LIST& aItemsList );
+void               DuplicateItemsInList( SCH_SCREEN* screen, PICKED_ITEMS_LIST& aItemsList, const wxPoint aMoveVector  );
+
+
+/*****************************************************************************
+* Routine to Mirror objects.							 *
+*****************************************************************************/
+void MirrorListOfItems( PICKED_ITEMS_LIST& aItemsList, wxPoint& aMirrorPoint )
+{
+    for( unsigned ii = 0; ii < aItemsList.GetCount(); ii++ )
+    {
+        SCH_ITEM* item = (SCH_ITEM*) aItemsList.GetItemData( ii );
+        item->Mirror_Y( aMirrorPoint.x );      // Place it in its new position.
+        item->m_Flags = 0;
+    }
+}
+
+
+
+/** Function MoveItemsInList
+*  Move a list of items to a givent move vector
+* @param aItemsList = list of picked items
+* @param aMoveVector = the move vector value
+*/
+void MoveItemsInList( PICKED_ITEMS_LIST& aItemsList, const wxPoint aMoveVector )
+{
+    for( unsigned ii = 0; ii < aItemsList.GetCount(); ii++ )
+    {
+        SCH_ITEM* item = (SCH_ITEM*) aItemsList.GetItemData( ii );
+        item->Move( aMoveVector );
+    }
+}
+
+
+
+/** function DeleteItemsInList
+ * delete schematic items in aItemsList
+ * deleted items are put in undo list
+ */
+void DeleteItemsInList( WinEDA_DrawPanel* panel, PICKED_ITEMS_LIST& aItemsList )
+{
+    SCH_SCREEN*            screen = (SCH_SCREEN*) panel->GetScreen();
+    WinEDA_SchematicFrame* frame  = (WinEDA_SchematicFrame*) panel->m_Parent;
+    PICKED_ITEMS_LIST      itemsList;
+    ITEM_PICKER            itemWrapper;
+
+    for( unsigned ii = 0; ii < aItemsList.GetCount(); ii++ )
+    {
+        SCH_ITEM* item = (SCH_ITEM*) aItemsList.GetItemData( ii );
+        itemWrapper.m_Item = item;
+        itemWrapper.m_UndoRedoStatus = UR_DELETED;
+        if( item->Type() == DRAW_HIERARCHICAL_PIN_SHEET_STRUCT_TYPE )
+        {
+            /* this item is depending on a sheet, and is not in global list */
+            wxMessageBox( wxT(
+                             "DeleteItemsInList() err: unexpected DRAW_HIERARCHICAL_PIN_SHEET_STRUCT_TYPE" ) );
+#if 0
+            Hierarchical_PIN_Sheet_Struct* pinlabel = (Hierarchical_PIN_Sheet_Struct*) item;
+            frame->DeleteSheetLabel( false, pinlabel->m_Parent );
+            itemWrapper.m_Item = pinlabel->m_Parent;
+            itemWrapper.m_UndoRedoStatus = UR_CHANGED;
+            itemsList.PushItem( itemWrapper );
+#endif
+        }
+        else
+        {
+            screen->RemoveFromDrawList( item );
+
+            /* Unlink the structure */
+            item->SetNext( 0 );
+            item->SetBack( 0 );
+            itemsList.PushItem( itemWrapper );
+        }
+    }
+
+    frame->SaveCopyInUndoList( itemsList, UR_DELETED );
+}
+
+
+/*********************************************************************************/
+void DeleteStruct( WinEDA_DrawPanel* panel, wxDC* DC, SCH_ITEM* DrawStruct )
+/*********************************************************************************/
+
+/* Routine to delete an object from global drawing object list.
+ *  Object is put in Undo list
+ */
+{
+    SCH_SCREEN*            screen = (SCH_SCREEN*) panel->GetScreen();
+    WinEDA_SchematicFrame* frame  = (WinEDA_SchematicFrame*) panel->m_Parent;
+
+    if( !DrawStruct )
+        return;
+
+    if( DrawStruct->Type() == DRAW_HIERARCHICAL_PIN_SHEET_STRUCT_TYPE )
+    {
+        /* Cette stucture est rattachee a une feuille, et n'est pas
+         *  accessible par la liste globale directement */
+        frame->SaveCopyInUndoList( (SCH_ITEM*)( (Hierarchical_PIN_Sheet_Struct
+                                                 *) DrawStruct )->GetParent(),
+                                  UR_CHANGED );
+        frame->DeleteSheetLabel( DC ? true : false,
+                                 (Hierarchical_PIN_Sheet_Struct*) DrawStruct );
+        return;
+    }
+
+    else    /* structure classique */
+    {
+        screen->RemoveFromDrawList( DrawStruct );
+
+        panel->PostDirtyRect( DrawStruct->GetBoundingBox() );
+
+        /* Unlink the structure */
+        DrawStruct->SetNext( 0 );
+        DrawStruct->SetBack( 0 );  // Only one struct -> no link
+
+        frame->SaveCopyInUndoList( DrawStruct, UR_DELETED );
+    }
+}
+
+
+
+/*****************************************************************************/
+void DuplicateItemsInList( SCH_SCREEN* screen, PICKED_ITEMS_LIST& aItemsList, const wxPoint aMoveVector )
+/*****************************************************************************/
+
+/* Routine to copy a new entity of an object for each object in list and reposition it.
+ * Return the new created object list in aItemsList
+ */
+{
+    SCH_ITEM* newitem;
+
+    if( aItemsList.GetCount() == 0 )
+        return;
+
+    for( unsigned ii = 0; ii < aItemsList.GetCount(); ii++ )
+    {
+        newitem = DuplicateStruct( (SCH_ITEM*) aItemsList.GetItemData( ii ) );
+        aItemsList.SetItem( newitem, ii );
+        aItemsList.SetItemStatus( UR_NEW, ii );
+        {
+            switch( newitem->Type() )
+            {
+            case DRAW_POLYLINE_STRUCT_TYPE:
+            case DRAW_JUNCTION_STRUCT_TYPE:
+            case DRAW_SEGMENT_STRUCT_TYPE:
+            case DRAW_BUSENTRY_STRUCT_TYPE:
+            case TYPE_SCH_TEXT:
+            case TYPE_SCH_LABEL:
+            case TYPE_SCH_GLOBALLABEL:
+            case TYPE_SCH_HIERLABEL:
+            case DRAW_HIERARCHICAL_PIN_SHEET_STRUCT_TYPE:
+            case DRAW_MARKER_STRUCT_TYPE:
+            case DRAW_NOCONNECT_STRUCT_TYPE:
+            default:
+                break;
+
+            case DRAW_SHEET_STRUCT_TYPE:
+            {
+                DrawSheetStruct* sheet = (DrawSheetStruct*) newitem;
+                sheet->m_TimeStamp = GetTimeStamp();
+                sheet->SetSon( NULL );
+                break;
+            }
+
+            case TYPE_SCH_COMPONENT:
+                ( (SCH_COMPONENT*) newitem )->m_TimeStamp = GetTimeStamp();
+                ( (SCH_COMPONENT*) newitem )->ClearAnnotation( NULL );
+                break;
+            }
+
+            SetaParent( newitem, screen );
+            newitem->SetNext( screen->EEDrawList );
+            screen->EEDrawList = newitem;
+        }
+    }
+
+    MoveItemsInList( aItemsList, aMoveVector );
+}
+
+
+/************************************************************/
+SCH_ITEM* DuplicateStruct( SCH_ITEM* DrawStruct )
+/************************************************************/
+
+/* Routine to create a new copy of given struct.
+ *  The new object is not put in draw list (not linked)
+ */
+{
+    SCH_ITEM* NewDrawStruct = NULL;
+
+    if( DrawStruct == NULL )
+    {
+        wxMessageBox( wxT( "DuplicateStruct error: NULL struct" ) );
+        return NULL;
+    }
+
+    switch( DrawStruct->Type() )
+    {
+    case DRAW_POLYLINE_STRUCT_TYPE:
+        NewDrawStruct = ( (DrawPolylineStruct*) DrawStruct )->GenCopy();
+        break;
+
+    case DRAW_SEGMENT_STRUCT_TYPE:
+        NewDrawStruct = ( (EDA_DrawLineStruct*) DrawStruct )->GenCopy();
+        break;
+
+    case DRAW_BUSENTRY_STRUCT_TYPE:
+        NewDrawStruct = ( (DrawBusEntryStruct*) DrawStruct )->GenCopy();
+        break;
+
+    case DRAW_JUNCTION_STRUCT_TYPE:
+        NewDrawStruct = ( (DrawJunctionStruct*) DrawStruct )->GenCopy();
+        break;
+
+    case DRAW_MARKER_STRUCT_TYPE:
+        NewDrawStruct = ( (MARKER_SCH*) DrawStruct )->GenCopy();
+        break;
+
+    case DRAW_NOCONNECT_STRUCT_TYPE:
+        NewDrawStruct = ( (DrawNoConnectStruct*) DrawStruct )->GenCopy();
+        break;
+
+    case TYPE_SCH_TEXT:
+        NewDrawStruct = ( (SCH_TEXT*) DrawStruct )->GenCopy();
+        break;
+
+    case TYPE_SCH_LABEL:
+        NewDrawStruct = ( (SCH_LABEL*) DrawStruct )->GenCopy();
+        break;
+
+    case TYPE_SCH_HIERLABEL:
+        NewDrawStruct = ( (SCH_HIERLABEL*) DrawStruct )->GenCopy();
+        break;
+
+    case TYPE_SCH_GLOBALLABEL:
+        NewDrawStruct = ( (SCH_GLOBALLABEL*) DrawStruct )->GenCopy();
+        break;
+
+    case TYPE_SCH_COMPONENT:
+        NewDrawStruct = ( (SCH_COMPONENT*) DrawStruct )->GenCopy();
+        break;
+
+    case DRAW_SHEET_STRUCT_TYPE:
+        NewDrawStruct = ( (DrawSheetStruct*) DrawStruct )->GenCopy();
+        break;
+
+    default:
+    {
+        wxString msg;
+        msg << wxT( "DuplicateStruct error: unexpected StructType " ) <<
+        DrawStruct->Type() << wxT( " " ) << DrawStruct->GetClass();
+        wxMessageBox( msg );
+    }
+    break;
+    }
+
+    NewDrawStruct->m_Image = DrawStruct;
+    return NewDrawStruct;
+}
+
+
diff --git a/eeschema/program.h b/eeschema/program.h
index 6373d94e45..d2f51afd07 100644
--- a/eeschema/program.h
+++ b/eeschema/program.h
@@ -10,7 +10,7 @@
 #include "base_struct.h"
 #include "sch_item_struct.h"
 
-#include "component_class.h"
+#include "class_sch_component.h"
 #include "class_sch_screen.h"
 #include "class_drawsheet.h"
 #include "class_drawsheetpath.h"
diff --git a/eeschema/protos.h b/eeschema/protos.h
index 76daea39b1..181543888c 100644
--- a/eeschema/protos.h
+++ b/eeschema/protos.h
@@ -93,9 +93,6 @@ char * StrPurge(char * text);
     /* BLOCK.CPP */
     /************/
 SCH_ITEM * DuplicateStruct(SCH_ITEM *DrawStruct);
-void MoveOneStruct(SCH_ITEM *DrawStructs, const wxPoint & move_vector);
-                        /* Given a structure move it by move_vector. */
-
 void DeleteStruct(WinEDA_DrawPanel * panel, wxDC * DC, SCH_ITEM *DrawStruct);
 
     /*************/
diff --git a/eeschema/schematic_undo_redo.cpp b/eeschema/schematic_undo_redo.cpp
index 8e1317e0d7..ce6a92b82f 100644
--- a/eeschema/schematic_undo_redo.cpp
+++ b/eeschema/schematic_undo_redo.cpp
@@ -13,9 +13,6 @@
 #include "class_marker_sch.h"
 
 
-// Imported functions
-void MirrorOneStruct( SCH_ITEM* DrawStruct, wxPoint&  aMirrorPoint );
-
 /* Functions to undo and redo edit commands.
  *  commmands to undo are stored in CurrentScreen->m_UndoList
  *  commmands to redo are stored in CurrentScreen->m_RedoList
@@ -344,6 +341,7 @@ void WinEDA_SchematicFrame::PutDataInPreviousState( PICKED_ITEMS_LIST* aList )
 {
     SCH_ITEM* item;
     SCH_ITEM* alt_item;
+    bool as_moved = false;
 
     for( unsigned ii = 0; ii < aList->GetCount(); ii++  )
     {
@@ -371,17 +369,14 @@ void WinEDA_SchematicFrame::PutDataInPreviousState( PICKED_ITEMS_LIST* aList )
             break;
 
         case UR_MOVED:
-        {
-            wxPoint moveVector = - aList->m_TransformPoint;
-            MoveOneStruct( item, moveVector );
-            aList->m_TransformPoint = moveVector;
-        }
+            item->Move( - aList->m_TransformPoint );
+            as_moved = true;
             break;
 
         case UR_MIRRORED_Y:
         {
             wxPoint mirrorPoint = aList->m_TransformPoint;
-            MirrorOneStruct( item, mirrorPoint );
+            item->Mirror_Y( mirrorPoint.x );
         }
             break;
 
@@ -411,6 +406,10 @@ void WinEDA_SchematicFrame::PutDataInPreviousState( PICKED_ITEMS_LIST* aList )
         break;
         }
     }
+
+    // Undo for move transform needs to change the general move vector:
+    if ( as_moved )
+        aList->m_TransformPoint = - aList->m_TransformPoint;
 }
 
 
diff --git a/eeschema/sheet.cpp b/eeschema/sheet.cpp
index 4f1b0ed260..d4ffa8c5c6 100644
--- a/eeschema/sheet.cpp
+++ b/eeschema/sheet.cpp
@@ -485,9 +485,8 @@ static void DeplaceSheet( WinEDA_DrawPanel* panel, wxDC* DC, bool erase )
     }
     else             /* Move Sheet */
     {
-        move_vector.x = screen->m_Curseur.x - Sheet->m_Pos.x;
-        move_vector.y = screen->m_Curseur.y - Sheet->m_Pos.y;
-        MoveOneStruct( Sheet, move_vector );
+        move_vector = screen->m_Curseur - Sheet->m_Pos;
+        Sheet->Move( move_vector );
     }
 
     RedrawOneStruct( panel, DC, Sheet, g_XorMode );
diff --git a/include/sch_item_struct.h b/include/sch_item_struct.h
index a778f7b36b..9ab62bcd19 100644
--- a/include/sch_item_struct.h
+++ b/include/sch_item_struct.h
@@ -62,9 +62,22 @@ public:
                           int               Color = -1 ) = 0;
 
 
-    /* fonction de placement */
+    /* Place function */
     virtual void    Place( WinEDA_SchematicFrame* frame, wxDC* DC );
 
+    // Geometric transforms (used in block operations):
+    /** virtual function Move
+     * move item to a new position.
+     * @param aMoveVector = the deplacement vector
+     */
+    virtual void Move(const wxPoint& aMoveVector) = 0;
+
+    /** virtual function Mirror_Y
+     * mirror item relative to an Y axis
+     * @param aYaxis_position = the y axis position
+     */
+    virtual void Mirror_Y(int aYaxis_position) = 0;
+
     /**
      * Function Save
      * writes the data structures for this object out to a FILE in "*.sch"
diff --git a/pcbnew/dialog_print_using_printer.cpp b/pcbnew/dialog_print_using_printer.cpp
index b0d1cf093b..60c403a146 100644
--- a/pcbnew/dialog_print_using_printer.cpp
+++ b/pcbnew/dialog_print_using_printer.cpp
@@ -238,9 +238,9 @@ void DIALOG_PRINT_USING_PRINTER::OnInitDialog( wxInitDialogEvent& event )
 
 
     // Create scale adjust option
-    msg.Printf( wxT( "%lf" ), m_XScaleAdjust );
+    msg.Printf( wxT( "%f" ), m_XScaleAdjust );
     m_FineAdjustXscaleOpt->SetValue( msg );
-    msg.Printf( wxT( "%lf" ), m_YScaleAdjust );
+    msg.Printf( wxT( "%f" ), m_YScaleAdjust );
     m_FineAdjustYscaleOpt->SetValue( msg );
 
     if( GetSizer() )