Initial framework for saving/restoring model state.

glabels/Handles.cpp

@@ -119,41 +119,6 @@ QPainterPath Handle::pathAt( double                   scale,
 }
 
 
-///
-/// HandleNorthWest Constructor
-///
-HandleNorthWest::HandleNorthWest( LabelModelObject* owner )
-	: Handle( owner, NW )
-{
-}
-
-
-///
-/// HandleNorthWest Destructor
-///
-HandleNorthWest::~HandleNorthWest()
-{
-}
-
-
-///
-/// Draw HandleNorthWest
-///
-void HandleNorthWest::draw( QPainter* painter, double scale ) const
-{
-	drawAt( painter, scale, 0, 0, originHandleFillColor );
-}
-
-
-///
-/// HandleNorthWest Path
-///
-QPainterPath HandleNorthWest::path( double scale ) const
-{
-	return pathAt( scale, 0, 0 );
-}
-
-
 ///
 /// HandleNorth Constructor
 ///
@@ -171,6 +136,15 @@ HandleNorth::~HandleNorth()
 }
 
 
+///
+/// HandleNorth Clone
+///
+HandleNorth* HandleNorth::clone( LabelModelObject* newOwner ) const
+{
+	return new HandleNorth( newOwner );
+}
+
+
 ///
 /// Draw HandleNorth
 ///
@@ -206,6 +180,15 @@ HandleNorthEast::~HandleNorthEast()
 }
 
 
+///
+/// HandleNorthEast Clone
+///
+HandleNorthEast* HandleNorthEast::clone( LabelModelObject* newOwner ) const
+{
+	return new HandleNorthEast( newOwner );
+}
+
+
 ///
 /// Draw HandleNorthEast
 ///
@@ -241,6 +224,15 @@ HandleEast::~HandleEast()
 }
 
 
+///
+/// HandleEast Clone
+///
+HandleEast* HandleEast::clone( LabelModelObject* newOwner ) const
+{
+	return new HandleEast( newOwner );
+}
+
+
 ///
 /// Draw HandleEast
 ///
@@ -276,6 +268,15 @@ HandleSouthEast::~HandleSouthEast()
 }
 
 
+///
+/// HandleSouthEast Clone
+///
+HandleSouthEast* HandleSouthEast::clone( LabelModelObject* newOwner ) const
+{
+	return new HandleSouthEast( newOwner );
+}
+
+
 ///
 /// Draw HandleSouthEast
 ///
@@ -311,6 +312,15 @@ HandleSouth::~HandleSouth()
 }
 
 
+///
+/// HandleSouth Clone
+///
+HandleSouth* HandleSouth::clone( LabelModelObject* newOwner ) const
+{
+	return new HandleSouth( newOwner );
+}
+
+
 ///
 /// Draw HandleSouth
 ///
@@ -346,6 +356,15 @@ HandleSouthWest::~HandleSouthWest()
 }
 
 
+///
+/// HandleSouthWest Clone
+///
+HandleSouthWest* HandleSouthWest::clone( LabelModelObject* newOwner ) const
+{
+	return new HandleSouthWest( newOwner );
+}
+
+
 ///
 /// Draw HandleSouthWest
 ///
@@ -381,6 +400,15 @@ HandleWest::~HandleWest()
 }
 
 
+///
+/// HandleWest Clone
+///
+HandleWest* HandleWest::clone( LabelModelObject* newOwner ) const
+{
+	return new HandleWest( newOwner );
+}
+
+
 ///
 /// Draw HandleWest
 ///
@@ -399,6 +427,49 @@ QPainterPath HandleWest::path( double scale ) const
 }
 
 
+///
+/// HandleNorthWest Constructor
+///
+HandleNorthWest::HandleNorthWest( LabelModelObject* owner )
+	: Handle( owner, NW )
+{
+}
+
+
+///
+/// HandleNorthWest Destructor
+///
+HandleNorthWest::~HandleNorthWest()
+{
+}
+
+///
+/// HandleNorthWest Clone
+///
+HandleNorthWest* HandleNorthWest::clone( LabelModelObject* newOwner ) const
+{
+	return new HandleNorthWest( newOwner );
+}
+
+
+///
+/// Draw HandleNorthWest
+///
+void HandleNorthWest::draw( QPainter* painter, double scale ) const
+{
+	drawAt( painter, scale, 0, 0, originHandleFillColor );
+}
+
+
+///
+/// HandleNorthWest Path
+///
+QPainterPath HandleNorthWest::path( double scale ) const
+{
+	return pathAt( scale, 0, 0 );
+}
+
+
 ///
 /// HandleP1 Constructor
 ///
@@ -416,6 +487,15 @@ HandleP1::~HandleP1()
 }
 
 
+///
+/// HandleP1 Clone
+///
+HandleP1* HandleP1::clone( LabelModelObject* newOwner ) const
+{
+	return new HandleP1( newOwner );
+}
+
+
 ///
 /// Draw HandleP1
 ///
@@ -451,6 +531,15 @@ HandleP2::~HandleP2()
 }
 
 
+///
+/// HandleP2 Clone
+///
+HandleP2* HandleP2::clone( LabelModelObject* newOwner ) const
+{
+	return new HandleP2( newOwner );
+}
+
+
 ///
 /// Draw HandleP2
 ///