eeschema: restore right value for m_Parent field member in SCH_COMPONENT::GenCopy() and SCH_COMPONENT::SwapData()

eeschema/component_class.cpp

@@ -50,6 +50,7 @@ SCH_COMPONENT::SCH_COMPONENT( const wxPoint& aPos, SCH_ITEM* aParent ) :
             field.SetLayer( LAYER_REFERENCEPART );
         else if( i==VALUE )
             field.SetLayer( LAYER_VALUEPART );
+
         // else keep LAYER_FIELDS from SCH_CMP_FIELD constructor
 
         // SCH_CMP_FIELD's implicitly created copy constructor is called in here
@@ -59,7 +60,6 @@ SCH_COMPONENT::SCH_COMPONENT( const wxPoint& aPos, SCH_ITEM* aParent ) :
     m_PrefixString = wxString( _( "U" ) );
 }
 
-
 /**
  * Function AddHierarchicalReference
  * adds a full hierachical reference (path + local reference)
@@ -399,6 +399,17 @@ void SCH_COMPONENT::SwapData( SCH_COMPONENT* copyitem )
     EXCHG( m_Transform[1][1], copyitem->m_Transform[1][1] );
 
     m_Fields.swap( copyitem->m_Fields );    // std::vector's swap()
+
+    // Reparent items after copying data (after swap() m_Pareny member does not points the right parent):
+    for( int ii = 0; ii < copyitem->GetFieldCount();  ++ii )
+    {
+       copyitem->GetField(ii)->m_Parent = copyitem;
+    }
+    for( int ii = 0; ii < GetFieldCount();  ++ii )
+    {
+       GetField(ii)->m_Parent = this;
+    }
+
 }
 
 
@@ -487,7 +498,6 @@ void SCH_COMPONENT::ClearAnnotation( DrawSheetPath* aSheet )
     // UpdateAllScreenReferences for the active sheet.
     // But this call cannot made here.
     m_Fields[REFERENCE].m_Text = defRef; //for drawing.
-
 }
 
 
@@ -495,27 +505,14 @@ void SCH_COMPONENT::ClearAnnotation( DrawSheetPath* aSheet )
 SCH_COMPONENT* SCH_COMPONENT::GenCopy()
 /**************************************************************/
 {
-
-#if 0
-    SCH_COMPONENT* new_item = new SCH_COMPONENT( m_Pos );
-
-    new_item->m_Multi        = m_Multi;
-    new_item->m_ChipName     = m_ChipName;
-    new_item->m_PrefixString = m_PrefixString;
-
-    new_item->m_Convert = m_Convert;
-    new_item->m_Transform[0][0] = m_Transform[0][0];
-    new_item->m_Transform[0][1] = m_Transform[0][1];
-    new_item->m_Transform[1][0] = m_Transform[1][0];
-    new_item->m_Transform[1][1] = m_Transform[1][1];
-    new_item->m_TimeStamp = m_TimeStamp;
-
-    new_item->m_Fields = m_Fields;
-#else
     SCH_COMPONENT* new_item = new SCH_COMPONENT( *this );
-
-#endif
-
+    // Reset chain pointers:
+    new_item->Pback = new_item->Pnext = new_item->m_Son = NULL;
+    // Reparent items after copy:
+    for( int ii = 0; ii < new_item->GetFieldCount();  ++ii )
+    {
+       new_item->GetField(ii)->m_Parent = new_item;
+    }
     return new_item;
 }
 
@@ -785,7 +782,6 @@ void SCH_COMPONENT::Show( int nestLevel, std::ostream& os )
 #endif
 
 
-
 /****************************************/
 bool SCH_COMPONENT::Save( FILE* f ) const
 /****************************************/