make TextAttrib::Clone return by std::unique_ptr

Change-Id: I8e3941c4c8507e7a898f5f2e0fb13543e5c129cd
Reviewed-on: https://gerrit.libreoffice.org/52748Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>

cui/source/dialogs/SpellAttrib.cxx

@@ -38,9 +38,9 @@ void SpellErrorAttrib::SetFont( vcl::Font&  ) const
 }
 
 
-TextAttrib*     SpellErrorAttrib::Clone() const
+std::unique_ptr<TextAttrib> SpellErrorAttrib::Clone() const
 {
-    return new SpellErrorAttrib(*this);
+    return std::unique_ptr<TextAttrib>(new SpellErrorAttrib(*this));
 }
 
 
@@ -64,9 +64,9 @@ void SpellLanguageAttrib::SetFont( vcl::Font&  ) const
 }
 
 
-TextAttrib* SpellLanguageAttrib::Clone() const
+std::unique_ptr<TextAttrib> SpellLanguageAttrib::Clone() const
 {
-    return new SpellLanguageAttrib(*this);
+    return std::unique_ptr<TextAttrib>(new SpellLanguageAttrib(*this));
 }
 
 
@@ -90,9 +90,9 @@ void SpellBackgroundAttrib::SetFont( vcl::Font& rFont ) const
 }
 
 
-TextAttrib* SpellBackgroundAttrib::Clone() const
+std::unique_ptr<TextAttrib> SpellBackgroundAttrib::Clone() const
 {
-    return new SpellBackgroundAttrib(*this);
+    return std::unique_ptr<TextAttrib>(new SpellBackgroundAttrib(*this));
 }
 
 

cui/source/dialogs/SpellAttrib.hxx

@@ -103,7 +103,7 @@ public:
 
 
     virtual void            SetFont( vcl::Font& rFont ) const override;
-    virtual TextAttrib*     Clone() const override;
+    virtual std::unique_ptr<TextAttrib> Clone() const override;
     virtual bool            operator==( const TextAttrib& rAttr ) const override;
 };
 
@@ -118,7 +118,7 @@ public:
     LanguageType            GetLanguage() const {return m_eLanguage;}
 
     virtual void            SetFont( vcl::Font& rFont ) const override;
-    virtual TextAttrib*     Clone() const override;
+    virtual std::unique_ptr<TextAttrib> Clone() const override;
     virtual bool            operator==( const TextAttrib& rAttr ) const override;
 };
 
@@ -131,7 +131,7 @@ public:
                             SpellBackgroundAttrib(const Color& rCol);
 
     virtual void            SetFont( vcl::Font& rFont ) const override;
-    virtual TextAttrib*     Clone() const override;
+    virtual std::unique_ptr<TextAttrib> Clone() const override;
     virtual bool            operator==( const TextAttrib& rAttr ) const override;
 };
 }//namespace svx

include/vcl/txtattr.hxx

@@ -51,7 +51,7 @@ public:
 
     sal_uInt16              Which() const   { return mnWhich; }
     virtual void            SetFont( vcl::Font& rFont ) const = 0;
-    virtual TextAttrib*     Clone() const = 0;
+    virtual std::unique_ptr<TextAttrib> Clone() const = 0;
 
     virtual bool            operator==( const TextAttrib& rAttr ) const = 0;
     bool                    operator!=( const TextAttrib& rAttr ) const
@@ -70,7 +70,7 @@ public:
     const Color&            GetColor() const { return maColor; }
 
     virtual void            SetFont( vcl::Font& rFont ) const override;
-    virtual TextAttrib*     Clone() const override;
+    virtual std::unique_ptr<TextAttrib> Clone() const override;
     virtual bool            operator==( const TextAttrib& rAttr ) const override;
 
 };
@@ -84,7 +84,7 @@ public:
                             TextAttribFontWeight( FontWeight eWeight );
 
     virtual void            SetFont( vcl::Font& rFont ) const override;
-    virtual TextAttrib*     Clone() const override;
+    virtual std::unique_ptr<TextAttrib> Clone() const override;
     virtual bool            operator==( const TextAttrib& rAttr ) const override;
 
     FontWeight getFontWeight() const { return meWeight; }
@@ -96,7 +96,7 @@ public:
                             TextAttribProtect();
 
     virtual void            SetFont( vcl::Font& rFont ) const override;
-    virtual TextAttrib*     Clone() const override;
+    virtual std::unique_ptr<TextAttrib> Clone() const override;
     virtual bool            operator==( const TextAttrib& rAttr ) const override;
 
 };

vcl/source/edit/txtattr.cxx

@@ -39,9 +39,9 @@ void TextAttribFontColor::SetFont( vcl::Font& rFont ) const
     rFont.SetColor( maColor );
 }
 
-TextAttrib* TextAttribFontColor::Clone() const
+std::unique_ptr<TextAttrib> TextAttribFontColor::Clone() const
 {
-    return new TextAttribFontColor( *this );
+    return std::unique_ptr<TextAttrib>(new TextAttribFontColor( *this ));
 }
 
 bool TextAttribFontColor::operator==( const TextAttrib& rAttr ) const
@@ -60,9 +60,9 @@ void TextAttribFontWeight::SetFont( vcl::Font& rFont ) const
     rFont.SetWeight( meWeight );
 }
 
-TextAttrib* TextAttribFontWeight::Clone() const
+std::unique_ptr<TextAttrib> TextAttribFontWeight::Clone() const
 {
-    return new TextAttribFontWeight( *this );
+    return std::unique_ptr<TextAttrib>(new TextAttribFontWeight( *this ));
 }
 
 bool TextAttribFontWeight::operator==( const TextAttrib& rAttr ) const
@@ -80,9 +80,9 @@ void TextAttribProtect::SetFont( vcl::Font& ) const
 {
 }
 
-TextAttrib*     TextAttribProtect::Clone() const
+std::unique_ptr<TextAttrib> TextAttribProtect::Clone() const
 {
-    return new TextAttribProtect();
+    return std::unique_ptr<TextAttrib>(new TextAttribProtect());
 }
 
 bool TextAttribProtect::operator==( const TextAttrib& rAttr ) const