loplugin:unusedmethods unused return value in sd

Change-Id: I9bf87cad19b7371076fd0b2333c83697021fe0e1

48 files changed, 80 insertions, 209 deletions

diff --git a/sd/inc/drawdoc.hxx b/sd/inc/drawdoc.hxx
index e2ff20cd2b55..9208e6c6a54f 100644
--- a/sd/inc/drawdoc.hxx
+++ b/sd/inc/drawdoc.hxx
@@ -262,7 +262,7 @@ public:
     SdDrawDocument* OpenBookmarkDoc(const OUString& rBookmarkFile);
     SAL_DLLPRIVATE SdDrawDocument*     OpenBookmarkDoc(SfxMedium& rMedium);
 
-    SAL_DLLPRIVATE bool InsertBookmark(const std::vector<OUString> &rBookmarkList,
+    SAL_DLLPRIVATE void InsertBookmark(const std::vector<OUString> &rBookmarkList,
                             std::vector<OUString> &rExchangeList, bool bLink,
                             bool bReplace, sal_uInt16 nPgPos, bool bNoDialogs,
                             ::sd::DrawDocShell* pBookmarkDocSh, bool bCopy,
diff --git a/sd/inc/pglink.hxx b/sd/inc/pglink.hxx
index 968799bdcbbd..222a1f6168b4 100644
--- a/sd/inc/pglink.hxx
+++ b/sd/inc/pglink.hxx
@@ -35,7 +35,7 @@ public:
     virtual void Closed() override;
     virtual ::sfx2::SvBaseLink::UpdateResult DataChanged(
         const OUString& rMimeType, const css::uno::Any & rValue ) override;
-    bool         Connect() { return nullptr != SvBaseLink::GetRealObject(); }
+    void         Connect() { SvBaseLink::GetRealObject(); }
 };
 
 #endif // INCLUDED_SD_INC_PGLINK_HXX
diff --git a/sd/inc/shapelist.hxx b/sd/inc/shapelist.hxx
index bbb0cbc80409..0b100845025b 100644
--- a/sd/inc/shapelist.hxx
+++ b/sd/inc/shapelist.hxx
@@ -35,9 +35,8 @@ namespace sd
         /** adds the given shape to this list */
         void addShape( SdrObject& rObject );
 
-        /** removes the shape from this list and returns
-            a pointer to the next shape in list or 0*/
-        SdrObject* removeShape( SdrObject& rObject );
+        /** removes the shape from this list*/
+        void removeShape( SdrObject& rObject );
 
         /** removes all shapes from this list */
         void clear();
diff --git a/sd/source/core/drawdoc3.cxx b/sd/source/core/drawdoc3.cxx
index b326667387cf..7e11c55bf7cf 100644
--- a/sd/source/core/drawdoc3.cxx
+++ b/sd/source/core/drawdoc3.cxx
@@ -277,7 +277,7 @@ SdDrawDocument* SdDrawDocument::OpenBookmarkDoc(const OUString& rBookmarkFile)
 }
 
 // Inserts a bookmark (page or object)
-bool SdDrawDocument::InsertBookmark(
+void SdDrawDocument::InsertBookmark(
     const std::vector<OUString> &rBookmarkList,     // List of names of the bookmarks to be inserted
     std::vector<OUString> &rExchangeList,           // List of the names to be used
     bool bLink,                                     // Insert bookmarks as links?
@@ -339,8 +339,6 @@ bool SdDrawDocument::InsertBookmark(
         bOK = InsertBookmarkAsObject(rBookmarkList, rExchangeList, bLink,
                                      pBookmarkDocSh, pObjPos, bCalcObjCount);
     }
-
-    return bOK;
 }
 
 namespace
diff --git a/sd/source/core/shapelist.cxx b/sd/source/core/shapelist.cxx
index bbdcc96aa7bb..bdeda0982205 100644
--- a/sd/source/core/shapelist.cxx
+++ b/sd/source/core/shapelist.cxx
@@ -50,7 +50,7 @@ void ShapeList::addShape( SdrObject& rObject )
 }
 
 /** removes the given shape from this list */
-SdrObject* ShapeList::removeShape( SdrObject& rObject )
+void ShapeList::removeShape( SdrObject& rObject )
 {
     ListImpl::iterator aIter( std::find( maShapeList.begin(), maShapeList.end(), &rObject ) );
     if( aIter != maShapeList.end() )
@@ -62,15 +62,11 @@ SdrObject* ShapeList::removeShape( SdrObject& rObject )
 
         if( bIterErased )
             maIter = aIter;
-
-        if( aIter != maShapeList.end() )
-            return (*aIter);
     }
     else
     {
         OSL_FAIL("sd::ShapeList::removeShape(), given shape not part of list!");
     }
-    return nullptr;
 }
 
 /** removes all shapes from this list
diff --git a/sd/source/filter/eppt/eppt.cxx b/sd/source/filter/eppt/eppt.cxx
index 71ef6f5414e3..9e93b31f2bff 100644
--- a/sd/source/filter/eppt/eppt.cxx
+++ b/sd/source/filter/eppt/eppt.cxx
@@ -922,7 +922,7 @@ bool PPTWriter::ImplCreateDocument()
     return true;
 };
 
-bool PPTWriter::ImplCreateHyperBlob( SvMemoryStream& rStrm )
+void PPTWriter::ImplCreateHyperBlob( SvMemoryStream& rStrm )
 {
     sal_uInt32 nCurrentOfs, nParaOfs, nParaCount = 0;
 
@@ -1000,7 +1000,6 @@ bool PPTWriter::ImplCreateHyperBlob( SvMemoryStream& rStrm )
     rStrm.WriteUInt32( nCurrentOfs - ( nParaOfs + 4 ) );
     rStrm.WriteUInt32( nParaCount );
     rStrm.Seek( nCurrentOfs );
-    return true;
 }
 
 bool PPTWriter::ImplCreateMainNotes()
diff --git a/sd/source/filter/eppt/eppt.hxx b/sd/source/filter/eppt/eppt.hxx
index ea0a7fcec8cc..a1e27890d5f2 100644
--- a/sd/source/filter/eppt/eppt.hxx
+++ b/sd/source/filter/eppt/eppt.hxx
@@ -219,7 +219,7 @@ class PPTWriter : public PPTWriterBase, public PPTExBulletProvider
                                 css::uno::Reference< css::beans::XPropertySet >& rXPagePropSet );
         void                ImplCreateHeaderFooters( css::uno::Reference< css::beans::XPropertySet >& rXPagePropSet );
         virtual bool        ImplCreateDocument() override;
-        bool                ImplCreateHyperBlob( SvMemoryStream& rStream );
+        void                ImplCreateHyperBlob( SvMemoryStream& rStream );
         sal_uInt32          ImplInsertBookmarkURL( const OUString& rBookmark, const sal_uInt32 nType,
                                 const OUString& rStringVer0, const OUString& rStringVer1, const OUString& rStringVer2, const OUString& rStringVer3 );
         virtual bool        ImplCreateMainNotes() override;
diff --git a/sd/source/filter/eppt/epptbase.hxx b/sd/source/filter/eppt/epptbase.hxx
index e0e920880966..af0901fd2f12 100644
--- a/sd/source/filter/eppt/epptbase.hxx
+++ b/sd/source/filter/eppt/epptbase.hxx
@@ -394,7 +394,7 @@ public:
     bool InitSOIface();
     bool GetPageByIndex( sal_uInt32 nIndex, PageType );
     sal_uInt32 GetMasterIndex( PageType ePageType );
-    bool SetCurrentStyleSheet( sal_uInt32 nPageNum );
+    void SetCurrentStyleSheet( sal_uInt32 nPageNum );
 
     bool GetPresObj() { return mbPresObj; }
 
diff --git a/sd/source/filter/eppt/pptx-epptbase.cxx b/sd/source/filter/eppt/pptx-epptbase.cxx
index 450b835a6bae..1dc3cd1aa2e5 100644
--- a/sd/source/filter/eppt/pptx-epptbase.cxx
+++ b/sd/source/filter/eppt/pptx-epptbase.cxx
@@ -505,15 +505,11 @@ sal_uInt32 PPTWriterBase::GetMasterIndex( PageType ePageType )
     return nRetValue;
 }
 
-bool PPTWriterBase::SetCurrentStyleSheet( sal_uInt32 nPageNum )
+void PPTWriterBase::SetCurrentStyleSheet( sal_uInt32 nPageNum )
 {
-    bool bRet = false;
     if ( nPageNum >= maStyleSheetList.size() )
         nPageNum = 0;
-    else
-        bRet = true;
     mpStyleSheet = maStyleSheetList[ nPageNum ];
-    return bRet;
 }
 
 bool PPTWriterBase::GetStyleSheets()
diff --git a/sd/source/filter/html/pubdlg.cxx b/sd/source/filter/html/pubdlg.cxx
index 084bfd432850..21617ed5e845 100644
--- a/sd/source/filter/html/pubdlg.cxx
+++ b/sd/source/filter/html/pubdlg.cxx
@@ -1512,7 +1512,7 @@ IMPL_LINK_NOARG_TYPED(SdPublishingDlg, LastPageHdl, Button*, void)
 }
 
 // Load Designs
-bool SdPublishingDlg::Load()
+void SdPublishingDlg::Load()
 {
     m_bDesignListDirty = false;
 
@@ -1529,7 +1529,7 @@ bool SdPublishingDlg::Load()
         delete pIStm;
 
         if( !bOk )
-            return false;
+            return;
     }
 
     SfxMedium aMedium( aURL.GetMainURL( INetURLObject::NO_DECODE ), StreamMode::READ | StreamMode::NOCREATE );
@@ -1537,13 +1537,13 @@ bool SdPublishingDlg::Load()
     SvStream* pStream = aMedium.GetInStream();
 
     if( !pStream )
-        return false;
+        return;
 
     sal_uInt16 aCheck;
     pStream->ReadUInt16( aCheck );
 
     if(aCheck != nMagic)
-        return false;
+        return;
 
     SdIOCompat aIO(*pStream, StreamMode::READ);
 
@@ -1559,8 +1559,6 @@ bool SdPublishingDlg::Load()
 
         m_aDesignList.push_back(aDesign);
     }
-
-    return( pStream->GetError() == SVSTREAM_OK );
 }
 
 // Save Designs
diff --git a/sd/source/filter/ppt/pptinanimations.cxx b/sd/source/filter/ppt/pptinanimations.cxx
index 1363a2494489..bb253c0ea7c2 100644
--- a/sd/source/filter/ppt/pptinanimations.cxx
+++ b/sd/source/filter/ppt/pptinanimations.cxx
@@ -2265,7 +2265,7 @@ void AnimationImporter::importAnimateRotationContainer( const Atom* pAtom, const
     }
 }
 
-bool AnimationImporter::importAttributeNamesContainer( const Atom* pAtom, OUString& rAttributeNames )
+void AnimationImporter::importAttributeNamesContainer( const Atom* pAtom, OUString& rAttributeNames )
 {
     OUStringBuffer aNames;
 
@@ -2298,7 +2298,6 @@ bool AnimationImporter::importAttributeNamesContainer( const Atom* pAtom, OUStri
     }
 
     rAttributeNames = aNames.makeStringAndClear();
-    return true;
 }
 
 void AnimationImporter::importAnimationValues( const Atom* pAtom, const Reference< XAnimationNode >& xNode )
@@ -2735,7 +2734,7 @@ void AnimationImporter::importAnimationActions( const Atom* pAtom, const Referen
     }
 }
 
-sal_Int32 AnimationImporter::importTargetElementContainer( const Atom* pAtom, Any& rTarget, sal_Int16& rSubType )
+void AnimationImporter::importTargetElementContainer( const Atom* pAtom, Any& rTarget, sal_Int16& rSubType )
 {
     rSubType = ShapeAnimationSubType::AS_WHOLE;
     sal_Int32 nRefMode = -1;
@@ -2852,8 +2851,6 @@ sal_Int32 AnimationImporter::importTargetElementContainer( const Atom* pAtom, An
 
         }
     }
-
-    return nRefMode;
 }
 
 void AnimationImporter::importPropertySetContainer( const Atom* pAtom, PropertySet& rSet )
diff --git a/sd/source/filter/ppt/pptinanimations.hxx b/sd/source/filter/ppt/pptinanimations.hxx
index 3456743c734f..843415fac79a 100644
--- a/sd/source/filter/ppt/pptinanimations.hxx
+++ b/sd/source/filter/ppt/pptinanimations.hxx
@@ -72,8 +72,8 @@ private:
     void importAnimateKeyPoints( const Atom* pAtom, const css::uno::Reference< css::animations::XAnimationNode >& xNode );
     void importPropertySetContainer( const Atom* pAtom,PropertySet& rSet );
     bool importAttributeValue( const Atom* pAtom, css::uno::Any& rAny );
-    bool importAttributeNamesContainer( const Atom* pAtom, OUString& rAttributeNames );
-    sal_Int32 importTargetElementContainer( const Atom* pAtom, css::uno::Any& rTarget, sal_Int16& nSubType );
+    void importAttributeNamesContainer( const Atom* pAtom, OUString& rAttributeNames );
+    void importTargetElementContainer( const Atom* pAtom, css::uno::Any& rTarget, sal_Int16& nSubType );
 
     static void fillNode( css::uno::Reference< css::animations::XAnimationNode >& xTiming, const AnimationNode& rNode, const PropertySet& rSet );
     static css::uno::Reference< css::animations::XAnimationNode > createNode( const Atom* pAtom, const AnimationNode& rNode );
diff --git a/sd/source/ui/animations/CustomAnimationCreateDialog.cxx b/sd/source/ui/animations/CustomAnimationCreateDialog.cxx
index dfd303e83cb7..0f918a915c2d 100644
--- a/sd/source/ui/animations/CustomAnimationCreateDialog.cxx
+++ b/sd/source/ui/animations/CustomAnimationCreateDialog.cxx
@@ -71,7 +71,7 @@ public:
 
     virtual void        MouseButtonUp( const MouseEvent& rMEvt ) override;
 
-    sal_Int32           InsertCategory( const OUString& rStr, sal_Int32  nPos = LISTBOX_APPEND );
+    void                InsertCategory( const OUString& rStr, sal_Int32  nPos = LISTBOX_APPEND );
 
     void                SetDoubleClickLink( const Link<CategoryListBox&,void>& rDoubleClickHdl ) { maDoubleClickHdl = rDoubleClickHdl; }
 
@@ -96,13 +96,11 @@ CategoryListBox::~CategoryListBox()
 {
 }
 
-sal_Int32  CategoryListBox::InsertCategory( const OUString& rStr, sal_Int32  nPos /* = LISTBOX_APPEND */ )
+void  CategoryListBox::InsertCategory( const OUString& rStr, sal_Int32  nPos /* = LISTBOX_APPEND */ )
 {
     sal_Int32  n = ListBox::InsertEntry( rStr, nPos );
     if( n != LISTBOX_ENTRY_NOTFOUND )
         ListBox::SetEntryFlags( n, ListBox::GetEntryFlags(n) | ListBoxEntryFlags::DisableSelection );
-
-    return n;
 }
 
 void CategoryListBox::UserDraw( const UserDrawEvent& rUDEvt )
diff --git a/sd/source/ui/app/optsitem.cxx b/sd/source/ui/app/optsitem.cxx
index 628453b1e74c..73b9ddd12967 100644
--- a/sd/source/ui/app/optsitem.cxx
+++ b/sd/source/ui/app/optsitem.cxx
@@ -919,17 +919,6 @@ SdOptionsZoom::SdOptionsZoom( sal_uInt16 nConfigId, bool bUseConfig ) :
     EnableModify( true );
 }
 
-bool SdOptionsZoom::operator==( const SdOptionsZoom& rOpt ) const
-{
-    sal_Int32 nX1, nX2, nY1, nY2;
-
-    GetScale( nX1, nY1 );
-    rOpt.GetScale( nX2, nY2 );
-
-    return( ( nX1 == nX2 ) &&
-            ( nY1 == nY2 ) );
-}
-
 void SdOptionsZoom::GetPropNameArray( const char**& ppNames, sal_uLong& rCount ) const
 {
     static const char* aPropNames[] =
@@ -1004,20 +993,6 @@ void SdOptionsGrid::SetDefaults()
     SetEqualGrid( true );
 }
 
-bool SdOptionsGrid::operator==( const SdOptionsGrid& rOpt ) const
-{
-    return( GetFieldDrawX() == rOpt.GetFieldDrawX() &&
-            GetFieldDivisionX() == rOpt.GetFieldDivisionX() &&
-            GetFieldDrawY() == rOpt.GetFieldDrawY() &&
-            GetFieldDivisionY() == rOpt.GetFieldDivisionY() &&
-            GetFieldSnapX() == rOpt.GetFieldSnapX() &&
-            GetFieldSnapY() == rOpt.GetFieldSnapY() &&
-            IsUseGridSnap() == rOpt.IsUseGridSnap() &&
-            IsSynchronize() == rOpt.IsSynchronize() &&
-            IsGridVisible() == rOpt.IsGridVisible() &&
-            IsEqualGrid() == rOpt.IsEqualGrid() );
-}
-
 void SdOptionsGrid::GetPropNameArray( const char**& ppNames, sal_uLong& rCount ) const
 {
     if( isMetricSystem() )
diff --git a/sd/source/ui/dlg/assclass.cxx b/sd/source/ui/dlg/assclass.cxx
index 2c8a7dc3e549..9eb6075067dd 100644
--- a/sd/source/ui/dlg/assclass.cxx
+++ b/sd/source/ui/dlg/assclass.cxx
@@ -49,7 +49,7 @@ bool Assistent::InsertControl(int nDestPage, vcl::Window* pUsedControl)
     return false;
 }
 
-bool Assistent::NextPage()
+void Assistent::NextPage()
 {
     if(mnCurrentPage<mnPages)
     {
@@ -58,13 +58,11 @@ bool Assistent::NextPage()
           nPage++;
 
         if(nPage <= mnPages)
-            return GotoPage(nPage);
+            GotoPage(nPage);
     }
-
-    return false;
 }
 
-bool Assistent::PreviousPage()
+void Assistent::PreviousPage()
 {
     if(mnCurrentPage>1)
     {
@@ -73,9 +71,8 @@ bool Assistent::PreviousPage()
             nPage--;
 
         if(nPage >= 0)
-            return GotoPage(nPage);
+            GotoPage(nPage);
     }
-    return false;
 }
 
 bool Assistent::GotoPage(const int nPageToGo)
diff --git a/sd/source/ui/func/futext.cxx b/sd/source/ui/func/futext.cxx
index cb0e848bdab7..9aecfe3d046e 100644
--- a/sd/source/ui/func/futext.cxx
+++ b/sd/source/ui/func/futext.cxx
@@ -1117,10 +1117,8 @@ void FuText::SetInEditMode(const MouseEvent& rMEvt, bool bQuickDrag)
 /**
  * Text entry is started, if necessary delete the default text.
  */
-bool FuText::DeleteDefaultText()
+void FuText::DeleteDefaultText()
 {
-    bool bDeleted = false;
-
     if ( mxTextObj.is() && mxTextObj->IsEmptyPresObj() )
     {
         SdPage* pPage = static_cast<SdPage*>( mxTextObj->GetPage() );
@@ -1151,12 +1149,9 @@ bool FuText::DeleteDefaultText()
                     pOutliner->SetStyleSheet(0, pSheet);
 
                 mxTextObj->SetEmptyPresObj(true);
-                bDeleted = true;
             }
         }
     }
-
-    return bDeleted;
 }
 
 bool FuText::Command(const CommandEvent& rCEvt)
diff --git a/sd/source/ui/inc/DrawViewShell.hxx b/sd/source/ui/inc/DrawViewShell.hxx
index d652d238e7e5..6fdf9d878188 100644
--- a/sd/source/ui/inc/DrawViewShell.hxx
+++ b/sd/source/ui/inc/DrawViewShell.hxx
@@ -264,7 +264,7 @@ public:
     bool            SwitchPage(sal_uInt16 nPage);
     bool            IsSwitchPageAllowed() const;
 
-    bool            GotoBookmark(const OUString& rBookmark);
+    void            GotoBookmark(const OUString& rBookmark);
     //Realize multi-selection of objects, If object is marked, the
     //corresponding entry is set true, else the corresponding entry is set
     //false.
diff --git a/sd/source/ui/inc/OutlineView.hxx b/sd/source/ui/inc/OutlineView.hxx
index 48fd1f6f16c1..c45909f9711b 100644
--- a/sd/source/ui/inc/OutlineView.hxx
+++ b/sd/source/ui/inc/OutlineView.hxx
@@ -111,7 +111,7 @@ public:
 
     bool          PrepareClose(bool bUI = true);
 
-    virtual bool    GetAttributes( SfxItemSet& rTargetSet, bool bOnlyHardAttr = false ) const override;
+    virtual void    GetAttributes( SfxItemSet& rTargetSet, bool bOnlyHardAttr = false ) const override;
     virtual bool    SetAttributes(const SfxItemSet& rSet, bool bReplaceAll = false) override;
 
     void               FillOutliner();
diff --git a/sd/source/ui/inc/OutlineViewShell.hxx b/sd/source/ui/inc/OutlineViewShell.hxx
index 2a7b8a5773c1..b57bc50151fa 100644
--- a/sd/source/ui/inc/OutlineViewShell.hxx
+++ b/sd/source/ui/inc/OutlineViewShell.hxx
@@ -73,8 +73,8 @@ public:
 
     virtual bool PrepareClose( bool bUI = true ) override;
 
-    virtual long VirtHScrollHdl(ScrollBar* pHScroll) override;
-    virtual long VirtVScrollHdl(ScrollBar* pVHScroll) override;
+    virtual void VirtHScrollHdl(ScrollBar* pHScroll) override;
+    virtual void VirtVScrollHdl(ScrollBar* pVHScroll) override;
 
     virtual void Activate( bool IsMDIActivate ) override;
     virtual void Deactivate( bool IsMDIActivate ) override;
@@ -145,8 +145,8 @@ public:
     */
     void SetCurrentPage (SdPage* pPage);
 
-    bool UpdateTitleObject( SdPage* pPage, Paragraph* pPara );
-    bool UpdateOutlineObject( SdPage* pPage, Paragraph* pPara );
+    void UpdateTitleObject( SdPage* pPage, Paragraph* pPara );
+    void UpdateOutlineObject( SdPage* pPage, Paragraph* pPara );
 
 private:
     void ShowSlideShow(SfxRequest& rReq);
diff --git a/sd/source/ui/inc/View.hxx b/sd/source/ui/inc/View.hxx
index 5d65ddad74f5..662679e146d7 100644
--- a/sd/source/ui/inc/View.hxx
+++ b/sd/source/ui/inc/View.hxx
@@ -85,7 +85,7 @@ public:
 
     void                    CompleteRedraw( OutputDevice* pOutDev, const vcl::Region& rReg, sdr::contact::ViewObjectContactRedirector* pRedirector = nullptr) override;
 
-    virtual bool            GetAttributes( SfxItemSet& rTargetSet, bool bOnlyHardAttr = false ) const;
+    virtual void            GetAttributes( SfxItemSet& rTargetSet, bool bOnlyHardAttr = false ) const;
     virtual bool            SetAttributes(const SfxItemSet& rSet, bool bReplaceAll = false);
     virtual void            MarkListHasChanged() override;
     virtual void            ModelHasChanged() override;
@@ -146,11 +146,11 @@ public:
     SdrGrafObj*             InsertGraphic( const Graphic& rGraphic,
                                            sal_Int8& rAction, const Point& rPos,
                                            SdrObject* pSelectedObj, ImageMap* pImageMap );
-    SdrMediaObj*            InsertMediaURL( const OUString& rMediaURL, sal_Int8& rAction,
+    void                    InsertMediaURL( const OUString& rMediaURL, sal_Int8& rAction,
                                             const Point& rPos, const Size& rSize,
                                             bool const bLink );
 
-    SdrMediaObj*            Insert3DModelURL( const OUString& rModelURL, sal_Int8& rAction,
+    void                    Insert3DModelURL( const OUString& rModelURL, sal_Int8& rAction,
                                               const Point& rPos, const Size& rSize,
                                               bool const bLink );
 
diff --git a/sd/source/ui/inc/ViewShell.hxx b/sd/source/ui/inc/ViewShell.hxx
index 7f097bcfd50b..f71697e4bfc3 100644
--- a/sd/source/ui/inc/ViewShell.hxx
+++ b/sd/source/ui/inc/ViewShell.hxx
@@ -531,8 +531,8 @@ protected:
     DECL_LINK_TYPED( VScrollHdl, ScrollBar *, void );
 
     // virtual scroll handler, here, derivative classes can add themselves here
-    virtual long VirtHScrollHdl(ScrollBar* pHScroll);
-    virtual long VirtVScrollHdl(ScrollBar* pVScroll);
+    virtual void VirtHScrollHdl(ScrollBar* pHScroll);
+    virtual void VirtVScrollHdl(ScrollBar* pVScroll);
 
     // virtual functions ruler handling
     virtual SvxRuler* CreateHRuler(::sd::Window* pWin, bool bIsFirst);
diff --git a/sd/source/ui/inc/assclass.hxx b/sd/source/ui/inc/assclass.hxx
index c7b4cff7d909..c19e5f97d75a 100644
--- a/sd/source/ui/inc/assclass.hxx
+++ b/sd/source/ui/inc/assclass.hxx
@@ -53,9 +53,9 @@ public:
     /// adds a control to the specified page
     bool InsertControl(int nDestPage, vcl::Window* pUsedControl);
 
-    bool NextPage();
+    void NextPage();
 
-    bool PreviousPage();
+    void PreviousPage();
 
     bool GotoPage(const int nPageToGo);
 
diff --git a/sd/source/ui/inc/futext.hxx b/sd/source/ui/inc/futext.hxx
index 1cb4900e7e94..49cb439a358f 100644
--- a/sd/source/ui/inc/futext.hxx
+++ b/sd/source/ui/inc/futext.hxx
@@ -55,7 +55,7 @@ public:
     virtual void Deactivate() override;         ///< deactivates the function
 
     void    SetInEditMode(const MouseEvent& rMEvt, bool bQuickDrag);
-    bool    DeleteDefaultText();
+    void    DeleteDefaultText();
     SdrTextObj* GetTextObj() { return static_cast< SdrTextObj* >( mxTextObj.get() ); }
 
     virtual SdrObject* CreateDefaultObject(const sal_uInt16 nID, const Rectangle& rRectangle) override;
diff --git a/sd/source/ui/inc/optsitem.hxx b/sd/source/ui/inc/optsitem.hxx
index 0d9ec215e6a1..a2183d9b8690 100644
--- a/sd/source/ui/inc/optsitem.hxx
+++ b/sd/source/ui/inc/optsitem.hxx
@@ -419,8 +419,6 @@ public:
             SdOptionsZoom( sal_uInt16 nConfigId, bool bUseConfig );
             virtual ~SdOptionsZoom() {}
 
-    bool    operator==( const SdOptionsZoom& rOpt ) const;
-
     void    GetScale( sal_Int32& rX, sal_Int32& rY ) const { Init(); rX = nX; rY = nY; }
     void    SetScale( sal_Int32 nInX, sal_Int32 nInY ) { if( nX != nInX || nY != nInY ) { OptionsChanged(); nX = nInX; nY = nInY; } }
 };
@@ -439,7 +437,6 @@ public:
             virtual ~SdOptionsGrid();
 
     void    SetDefaults();
-    bool    operator==( const SdOptionsGrid& rOpt ) const;
 
     sal_uInt32  GetFieldDrawX() const { Init(); return SvxOptionsGrid::GetFieldDrawX(); }
     sal_uInt32  GetFieldDivisionX() const { Init(); return SvxOptionsGrid::GetFieldDivisionX(); }
diff --git a/sd/source/ui/inc/pubdlg.hxx b/sd/source/ui/inc/pubdlg.hxx
index 12db763eb268..894f33d9c9ff 100644
--- a/sd/source/ui/inc/pubdlg.hxx
+++ b/sd/source/ui/inc/pubdlg.hxx
@@ -169,7 +169,7 @@ private:
     std::vector<SdPublishingDesign>   m_aDesignList;
     bool    m_bDesignListDirty;
     SdPublishingDesign* m_pDesign;
-    bool    Load();
+    void    Load();
     bool    Save();
 
     void    GetDesign( SdPublishingDesign* pDesign );
diff --git a/sd/source/ui/inc/slideshow.hxx b/sd/source/ui/inc/slideshow.hxx
index 8d7e1d3bfd45..118c71912d33 100644
--- a/sd/source/ui/inc/slideshow.hxx
+++ b/sd/source/ui/inc/slideshow.hxx
@@ -155,7 +155,7 @@ public:
 
     /** sets or clears the pause state of the running slideshow.
         !!!! This should only be called by the SdShowWindow !!!!*/
-    bool pause( bool bPause );
+    void pause( bool bPause );
     bool swipe(const CommandSwipeData &rSwipeData);
     bool longpress(const CommandLongPressData& rLongPressData);
 
diff --git a/sd/source/ui/presenter/PresenterTextView.cxx b/sd/source/ui/presenter/PresenterTextView.cxx
index 02f0b311dd81..502f52c2f38c 100644
--- a/sd/source/ui/presenter/PresenterTextView.cxx
+++ b/sd/source/ui/presenter/PresenterTextView.cxx
@@ -92,7 +92,7 @@ private:
     sal_Int32 mnTop;
     sal_Int32 mnTotalHeight;
 
-    EditEngine * GetEditEngine();
+    void GetEditEngine();
     EditEngine* CreateEditEngine();
     void CheckTop();
 };
@@ -264,11 +264,10 @@ PresenterTextView::Implementation::~Implementation()
     mpOutputDevice.disposeAndClear();
 }
 
-EditEngine * PresenterTextView::Implementation::GetEditEngine()
+void PresenterTextView::Implementation::GetEditEngine()
 {
     if (mpEditEngine == nullptr)
         mpEditEngine = CreateEditEngine ();
-    return mpEditEngine;
 }
 
 EditEngine* PresenterTextView::Implementation::CreateEditEngine()
diff --git a/sd/source/ui/sidebar/MasterPageContainerProviders.cxx b/sd/source/ui/sidebar/MasterPageContainerProviders.cxx
index 3bd897d56614..8e4bce88f485 100644
--- a/sd/source/ui/sidebar/MasterPageContainerProviders.cxx
+++ b/sd/source/ui/sidebar/MasterPageContainerProviders.cxx
@@ -168,16 +168,6 @@ int TemplatePageObjectProvider::GetCostIndex()
     return 20;
 }
 
-bool TemplatePageObjectProvider::operator== (const PageObjectProvider& rProvider)
-{
-    const TemplatePageObjectProvider* pTemplatePageObjectProvider
-        = dynamic_cast<const TemplatePageObjectProvider*>(&rProvider);
-    if (pTemplatePageObjectProvider != nullptr)
-        return (msURL == pTemplatePageObjectProvider->msURL);
-    else
-        return false;
-}
-
 //===== DefaultPageObjectProvider ==============================================
 
 DefaultPageObjectProvider::DefaultPageObjectProvider()
@@ -208,11 +198,6 @@ int DefaultPageObjectProvider::GetCostIndex()
     return 15;
 }
 
-bool DefaultPageObjectProvider::operator== (const PageObjectProvider& rProvider)
-{
-    return (dynamic_cast<const DefaultPageObjectProvider*>(&rProvider) != nullptr);
-}
-
 //===== ExistingPageProvider ==================================================
 
 ExistingPageProvider::ExistingPageProvider (SdPage* pPage)
@@ -232,16 +217,6 @@ int ExistingPageProvider::GetCostIndex()
     return 0;
 }
 
-bool ExistingPageProvider::operator== (const PageObjectProvider& rProvider)
-{
-    const ExistingPageProvider* pExistingPageProvider
-        = dynamic_cast<const ExistingPageProvider*>(&rProvider);
-    if (pExistingPageProvider != nullptr)
-        return (mpPage == pExistingPageProvider->mpPage);
-    else
-        return false;
-}
-
 } } // end of namespace sd::sidebar
 
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/sd/source/ui/sidebar/MasterPageContainerProviders.hxx b/sd/source/ui/sidebar/MasterPageContainerProviders.hxx
index 04001d19c062..da480cb1ac10 100644
--- a/sd/source/ui/sidebar/MasterPageContainerProviders.hxx
+++ b/sd/source/ui/sidebar/MasterPageContainerProviders.hxx
@@ -54,8 +54,6 @@ public:
     */
     virtual int GetCostIndex() = 0;
 
-    virtual bool operator== (const PageObjectProvider& rProvider) = 0;
-
 protected:
     ~PageObjectProvider() {}
 };
@@ -117,7 +115,6 @@ public:
     virtual ~TemplatePageObjectProvider() {};
     virtual SdPage* operator () (SdDrawDocument* pDocument) override;
     virtual int GetCostIndex() override;
-    virtual bool operator== (const PageObjectProvider& rProvider) override;
 private:
     OUString msURL;
     SfxObjectShellLock mxDocumentShell;
@@ -148,7 +145,6 @@ public:
     virtual ~DefaultPageObjectProvider() {}
     virtual SdPage* operator () (SdDrawDocument* pDocument) override;
     virtual int GetCostIndex() override;
-    virtual bool operator== (const PageObjectProvider& rProvider) override;
 };
 
 /** This implementation of the PageObjectProvider simply returns an already
@@ -161,7 +157,6 @@ public:
     virtual ~ExistingPageProvider() {}
     virtual SdPage* operator() (SdDrawDocument* pDocument) override;
     virtual int GetCostIndex() override;
-    virtual bool operator== (const PageObjectProvider& rProvider) override;
 private:
     SdPage* mpPage;
 };
diff --git a/sd/source/ui/slideshow/showwin.cxx b/sd/source/ui/slideshow/showwin.cxx
index feeff3ac1471..ecbebd0bb363 100644
--- a/sd/source/ui/slideshow/showwin.cxx
+++ b/sd/source/ui/slideshow/showwin.cxx
@@ -305,7 +305,7 @@ void ShowWindow::Move()
     ::sd::Window::Move();
 }
 
-bool ShowWindow::SetEndMode()
+void ShowWindow::SetEndMode()
 {
     if( ( SHOWWINDOWMODE_NORMAL == meShowWindowMode ) && mpViewShell && mpViewShell->GetView() )
     {
@@ -322,8 +322,6 @@ bool ShowWindow::SetEndMode()
 
         Invalidate();
     }
-
-    return( SHOWWINDOWMODE_END == meShowWindowMode );
 }
 
 bool ShowWindow::SetPauseMode( sal_Int32 nPageIndexToRestart, sal_Int32 nTimeout, Graphic* pLogo )
diff --git a/sd/source/ui/slideshow/showwindow.hxx b/sd/source/ui/slideshow/showwindow.hxx
index af9a9ea1a655..dafd0a5323cb 100644
--- a/sd/source/ui/slideshow/showwindow.hxx
+++ b/sd/source/ui/slideshow/showwindow.hxx
@@ -53,7 +53,7 @@ public:
     virtual ~ShowWindow();
     virtual void dispose() override;
 
-    bool         SetEndMode();
+    void            SetEndMode();
     bool            SetPauseMode( sal_Int32 nPageIndexToRestart, sal_Int32 nTimeoutSec = SLIDE_NO_TIMEOUT, Graphic* pLogo = nullptr );
     bool            SetBlankMode( sal_Int32 nPageIndexToRestart, const Color& rBlankColor );
 
diff --git a/sd/source/ui/slideshow/slideshow.cxx b/sd/source/ui/slideshow/slideshow.cxx
index e2b737efedfe..aa46aab44740 100644
--- a/sd/source/ui/slideshow/slideshow.cxx
+++ b/sd/source/ui/slideshow/slideshow.cxx
@@ -1021,7 +1021,7 @@ bool SlideShow::isAlwaysOnTop()
     return mxController.is() && mxController->maPresSettings.mbAlwaysOnTop;
 }
 
-bool SlideShow::pause( bool bPause )
+void SlideShow::pause( bool bPause )
 {
     if( mxController.is() )
     {
@@ -1030,7 +1030,6 @@ bool SlideShow::pause( bool bPause )
         else
             mxController->resume();
     }
-    return true;
 }
 
 void SlideShow::receiveRequest(SfxRequest& rReq)
diff --git a/sd/source/ui/slideshow/slideshowimpl.cxx b/sd/source/ui/slideshow/slideshowimpl.cxx
index 07287a08e996..8976c21bf393 100644
--- a/sd/source/ui/slideshow/slideshowimpl.cxx
+++ b/sd/source/ui/slideshow/slideshowimpl.cxx
@@ -1739,10 +1739,9 @@ sal_Bool SAL_CALL SlideshowImpl::isEndless() throw( RuntimeException, std::excep
     return maPresSettings.mbEndless;
 }
 
-double SlideshowImpl::update()
+void SlideshowImpl::update()
 {
     startUpdateTimer();
-    return -1;
 }
 
 void SlideshowImpl::startUpdateTimer()
@@ -1770,14 +1769,14 @@ IMPL_LINK_NOARG_TYPED(SlideshowImpl, updateHdl, Timer *, void)
     updateSlideShow();
 }
 
-sal_Int32 SlideshowImpl::updateSlideShow()
+void SlideshowImpl::updateSlideShow()
 {
     // prevent me from deletion when recursing (App::EnableYieldMode does)
     const rtl::Reference<SlideshowImpl> this_(this);
 
     Reference< XSlideShow > xShow( mxShow );
     if ( ! xShow.is())
-        return 0;
+        return;
 
     try
     {
@@ -1819,7 +1818,6 @@ sal_Int32 SlideshowImpl::updateSlideShow()
                     comphelper::anyToString( cppu::getCaughtException() ),
                     RTL_TEXTENCODING_UTF8 )).getStr() );
     }
-    return 0;
 }
 
 bool SlideshowImpl::keyInput(const KeyEvent& rKEvt)
diff --git a/sd/source/ui/slideshow/slideshowimpl.hxx b/sd/source/ui/slideshow/slideshowimpl.hxx
index 09006a895054..88666d414243 100644
--- a/sd/source/ui/slideshow/slideshowimpl.hxx
+++ b/sd/source/ui/slideshow/slideshowimpl.hxx
@@ -252,7 +252,7 @@ private:
         /** forces an async call to update in the main thread */
     void startUpdateTimer();
 
-    double update();
+    void update();
 
     void createSlideList( bool bAll, const OUString& rPresSlide );
 
@@ -315,7 +315,7 @@ private:
         its return value, wait for a certain amount of time before another
         call to update() is scheduled.
     */
-    sal_Int32 updateSlideShow();
+    void updateSlideShow();
 
     css::uno::Reference< css::presentation::XSlideShow > mxShow;
     rtl::Reference<sd::SlideShowView> mxView;
diff --git a/sd/source/ui/slideshow/slideshowviewimpl.cxx b/sd/source/ui/slideshow/slideshowviewimpl.cxx
index fd38e6272966..76d8dc9e9040 100644
--- a/sd/source/ui/slideshow/slideshowviewimpl.cxx
+++ b/sd/source/ui/slideshow/slideshowviewimpl.cxx
@@ -73,7 +73,7 @@ void SlideShowViewListeners::removeListener( const Reference< util::XModifyListe
         maListeners.erase( aIter );
 }
 
-bool SlideShowViewListeners::notify( const lang::EventObject& _rEvent ) throw( css::uno::Exception )
+void SlideShowViewListeners::notify( const lang::EventObject& _rEvent ) throw( css::uno::Exception )
 {
     ::osl::MutexGuard aGuard( mrMutex );
 
@@ -91,7 +91,6 @@ bool SlideShowViewListeners::notify( const lang::EventObject& _rEvent ) throw( c
             aIter = maListeners.erase( aIter );
         }
     }
-    return true;
 }
 
 void SlideShowViewListeners::disposing( const lang::EventObject& _rEventSource )
diff --git a/sd/source/ui/slideshow/slideshowviewimpl.hxx b/sd/source/ui/slideshow/slideshowviewimpl.hxx
index 458ee823476d..369017a0b380 100644
--- a/sd/source/ui/slideshow/slideshowviewimpl.hxx
+++ b/sd/source/ui/slideshow/slideshowviewimpl.hxx
@@ -105,7 +105,7 @@ public:
 
     void    addListener( const css::uno::Reference< css::util::XModifyListener >& _rxListener );
     void    removeListener( const css::uno::Reference< css::util::XModifyListener >& _rxListener );
-    bool    notify( const css::lang::EventObject& _rEvent ) throw( css::uno::Exception );
+    void    notify( const css::lang::EventObject& _rEvent ) throw( css::uno::Exception );
     void    disposing( const css::lang::EventObject& _rEventSource );
 
 protected:
diff --git a/sd/source/ui/slidesorter/cache/SlsRequestQueue.cxx b/sd/source/ui/slidesorter/cache/SlsRequestQueue.cxx
index 05aa18656844..11ed93f7bb36 100644
--- a/sd/source/ui/slidesorter/cache/SlsRequestQueue.cxx
+++ b/sd/source/ui/slidesorter/cache/SlsRequestQueue.cxx
@@ -140,10 +140,9 @@ void RequestQueue::PageInDestruction(const SdrPage& rPage)
     RemoveRequest(&rPage);
 }
 
-bool RequestQueue::RemoveRequest (
+void RequestQueue::RemoveRequest (
     CacheKey aKey)
 {
-    bool bRequestWasRemoved (false);
     ::osl::MutexGuard aGuard (maMutex);
 
     while(true)
@@ -162,14 +161,11 @@ bool RequestQueue::RemoveRequest (
             SdrPage *pPage = const_cast<SdrPage*>(aRequestIterator->maKey);
             pPage->RemovePageUser(*this);
             mpRequestQueue->erase(aRequestIterator);
-
-            bRequestWasRemoved = true;
         }
         else
             break;
     }
 
-    return bRequestWasRemoved;
 }
 
 void RequestQueue::ChangeClass (
diff --git a/sd/source/ui/slidesorter/cache/SlsRequestQueue.hxx b/sd/source/ui/slidesorter/cache/SlsRequestQueue.hxx
index 3410ae841643..b8fc2fb85903 100644
--- a/sd/source/ui/slidesorter/cache/SlsRequestQueue.hxx
+++ b/sd/source/ui/slidesorter/cache/SlsRequestQueue.hxx
@@ -63,12 +63,8 @@ public:
         @param aKey
             It is OK when the specified request is not a member of the
             queue.
-        @return
-            Returns <TRUE/> when the request has been successfully been
-            removed from the queue.  Otherwise, e.g. because the request was
-            not a member of the queue, <FALSE/> is returned.
     */
-    bool RemoveRequest (CacheKey aKey);
+    void RemoveRequest (CacheKey aKey);
 
     /** Change the priority class of the specified request.
     */
diff --git a/sd/source/ui/slidesorter/controller/SlideSorterController.cxx b/sd/source/ui/slidesorter/controller/SlideSorterController.cxx
index c4cb361b6806..f41bff18c843 100644
--- a/sd/source/ui/slidesorter/controller/SlideSorterController.cxx
+++ b/sd/source/ui/slidesorter/controller/SlideSorterController.cxx
@@ -686,17 +686,13 @@ void SlideSorterController::UpdateAllPages()
     mrSlideSorter.GetContentWindow()->Invalidate();
 }
 
-Rectangle SlideSorterController::Resize (const Rectangle& rAvailableSpace)
+void SlideSorterController::Resize (const Rectangle& rAvailableSpace)
 {
-    Rectangle aContentArea (rAvailableSpace);
-
     if (maTotalWindowArea != rAvailableSpace)
     {
         maTotalWindowArea = rAvailableSpace;
-        aContentArea = Rearrange(true);
+        Rearrange(true);
     }
-
-    return aContentArea;
 }
 
 Rectangle  SlideSorterController::Rearrange (bool bForce)
@@ -799,7 +795,7 @@ void SlideSorterController::PrepareEditModeChange()
     }
 }
 
-bool SlideSorterController::ChangeEditMode (EditMode eEditMode)
+void SlideSorterController::ChangeEditMode (EditMode eEditMode)
 {
     bool bResult (false);
     if (mrModel.GetEditMode() != eEditMode)
@@ -811,7 +807,6 @@ bool SlideSorterController::ChangeEditMode (EditMode eEditMode)
         if (bResult)
             HandleModelChange();
     }
-    return bResult;
 }
 
 void SlideSorterController::FinishEditModeChange()
diff --git a/sd/source/ui/slidesorter/inc/controller/SlideSorterController.hxx b/sd/source/ui/slidesorter/inc/controller/SlideSorterController.hxx
index 5d6957724524..4e1618ebde38 100644
--- a/sd/source/ui/slidesorter/inc/controller/SlideSorterController.hxx
+++ b/sd/source/ui/slidesorter/inc/controller/SlideSorterController.hxx
@@ -82,10 +82,8 @@ public:
 
     /** Place and size the scroll bars and the browser window so that the
         given rectangle is filled.
-        @return
-            The space occupied by the browser window is returned.
     */
-    Rectangle Resize (const Rectangle& rAvailableSpace);
+    void Resize (const Rectangle& rAvailableSpace);
 
     /** Determine which of the UI elements--the scroll bars, the scroll bar
         filler, the actual slide sorter view--are visible and place them in
@@ -192,11 +190,8 @@ public:
         has been changed.  For proper saving and restoring of the selection
         this method should be called between calls to
         PrepareEditModeChange() and FinishEditModeChange().
-        @return
-            A return value of <TRUE/> indicates that the edit mode has
-            changed.
     */
-    bool ChangeEditMode (EditMode eEditMode);
+    void ChangeEditMode (EditMode eEditMode);
 
     /** Finish the change of the edit mode.  Here we may select a page or
         restore a previously saved selection.
diff --git a/sd/source/ui/slidesorter/inc/model/SlsVisualState.hxx b/sd/source/ui/slidesorter/inc/model/SlsVisualState.hxx
index 0df22fa48819..131b1c97cb5c 100644
--- a/sd/source/ui/slidesorter/inc/model/SlsVisualState.hxx
+++ b/sd/source/ui/slidesorter/inc/model/SlsVisualState.hxx
@@ -49,7 +49,7 @@ public:
     void UpdateVisualState (const PageDescriptor& rDescriptor);
 
     Point GetLocationOffset() const { return maLocationOffset;}
-    bool SetLocationOffset (const Point& rPoint);
+    void SetLocationOffset (const Point& rPoint);
 
     sal_Int32 mnPageId; // For debugging
 
diff --git a/sd/source/ui/slidesorter/model/SlsVisualState.cxx b/sd/source/ui/slidesorter/model/SlsVisualState.cxx
index 9accd0e2336c..180358fa15f9 100644
--- a/sd/source/ui/slidesorter/model/SlsVisualState.cxx
+++ b/sd/source/ui/slidesorter/model/SlsVisualState.cxx
@@ -63,15 +63,12 @@ void VisualState::UpdateVisualState (const PageDescriptor& rDescriptor)
         SetVisualState(VS_None);
 }
 
-bool VisualState::SetLocationOffset (const Point& rOffset)
+void VisualState::SetLocationOffset (const Point& rOffset)
 {
     if (maLocationOffset != rOffset)
     {
         maLocationOffset = rOffset;
-        return true;
     }
-    else
-        return false;
 }
 
 } } } // end of namespace ::sd::slidesorter::model
diff --git a/sd/source/ui/view/drviewsh.cxx b/sd/source/ui/view/drviewsh.cxx
index 8c043e3c0ae7..a4a1e434cc6a 100644
--- a/sd/source/ui/view/drviewsh.cxx
+++ b/sd/source/ui/view/drviewsh.cxx
@@ -41,17 +41,15 @@
 
 namespace sd {
 
-bool DrawViewShell::GotoBookmark(const OUString& rBookmark)
+void DrawViewShell::GotoBookmark(const OUString& rBookmark)
 {
-    bool bRet = false;
     ::sd::DrawDocShell* pDocSh = GetDocSh();
     if( pDocSh )
     {
         if( !pDocSh->GetViewShell() ) //#i26016# this case occurs if the jump-target-document was opened already with file open dialog before triggering the jump via hyperlink
             pDocSh->Connect(this);
-        bRet = (pDocSh->GotoBookmark(rBookmark));
+        pDocSh->GotoBookmark(rBookmark);
     }
-    return bRet;
 }
 
 /**
diff --git a/sd/source/ui/view/outlnvsh.cxx b/sd/source/ui/view/outlnvsh.cxx
index 2391a02c4618..cdf471609869 100644
--- a/sd/source/ui/view/outlnvsh.cxx
+++ b/sd/source/ui/view/outlnvsh.cxx
@@ -1070,7 +1070,7 @@ void OutlineViewShell::GetMenuState( SfxItemSet &rSet )
 /**
  * gets invoked when ScrollBar is used
  */
-long OutlineViewShell::VirtHScrollHdl(ScrollBar* pHScroll)
+void OutlineViewShell::VirtHScrollHdl(ScrollBar* pHScroll)
 {
     long   nThumb = pHScroll->GetThumbPos();
     long   nRange = pHScroll->GetRange().Len();
@@ -1089,11 +1089,9 @@ long OutlineViewShell::VirtHScrollHdl(ScrollBar* pHScroll)
     pOutlinerView->HideCursor();
     pOutlinerView->Scroll(-nDelta, 0);
     pOutlinerView->ShowCursor(false);
-
-    return 0;
 }
 
-long OutlineViewShell::VirtVScrollHdl(ScrollBar* pVScroll)
+void OutlineViewShell::VirtVScrollHdl(ScrollBar* pVScroll)
 {
     long nThumb = pVScroll->GetThumbPos();
     long nRange = pVScroll->GetRange().Len();
@@ -1112,8 +1110,6 @@ long OutlineViewShell::VirtVScrollHdl(ScrollBar* pVScroll)
     pOutlinerView->HideCursor();
     pOutlinerView->Scroll(0, -nDelta);
     pOutlinerView->ShowCursor(false);
-
-    return 0;
 }
 
 /**
@@ -1577,13 +1573,13 @@ void OutlineViewShell::UpdatePreview( SdPage* pPage, bool )
     }
 }
 
-bool OutlineViewShell::UpdateTitleObject( SdPage* pPage, Paragraph* pPara )
+void OutlineViewShell::UpdateTitleObject( SdPage* pPage, Paragraph* pPara )
 {
     DBG_ASSERT( pPage, "sd::OutlineViewShell::UpdateTitleObject(), pPage == 0?" );
     DBG_ASSERT( pPara, "sd::OutlineViewShell::UpdateTitleObject(), pPara == 0?" );
 
     if( !pPage || !pPara )
-        return false;
+        return;
 
     ::Outliner&         rOutliner = pOlView->GetOutliner();
     SdrTextObj*         pTO  = OutlineView::GetTitleTextObject( pPage );
@@ -1653,17 +1649,15 @@ bool OutlineViewShell::UpdateTitleObject( SdPage* pPage, Paragraph* pPara )
             pPage->RemoveObject(pTO->GetOrdNum());
         }
     }
-
-    return bNewObject;
 }
 
-bool OutlineViewShell::UpdateOutlineObject( SdPage* pPage, Paragraph* pPara )
+void OutlineViewShell::UpdateOutlineObject( SdPage* pPage, Paragraph* pPara )
 {
     DBG_ASSERT( pPage, "sd::OutlineViewShell::UpdateOutlineObject(), pPage == 0?" );
     DBG_ASSERT( pPara, "sd::OutlineViewShell::UpdateOutlineObject(), pPara == 0?" );
 
     if( !pPage || !pPara )
-        return false;
+        return;
 
     ::Outliner&         rOutliner = pOlView->GetOutliner();
     OutlinerParaObject* pOPO = nullptr;
@@ -1758,8 +1752,6 @@ bool OutlineViewShell::UpdateOutlineObject( SdPage* pPage, Paragraph* pPara )
             pPage->RemoveObject(pTO->GetOrdNum());
         }
     }
-
-    return bNewObject;
 }
 
 /**
diff --git a/sd/source/ui/view/outlview.cxx b/sd/source/ui/view/outlview.cxx
index 63c19ebfdcb6..ab3e8ecc2291 100644
--- a/sd/source/ui/view/outlview.cxx
+++ b/sd/source/ui/view/outlview.cxx
@@ -1040,14 +1040,13 @@ bool OutlineView::SetAttributes(const SfxItemSet& rSet, bool )
 /**
  * Get attributes of the selected text
  */
-bool OutlineView::GetAttributes( SfxItemSet& rTargetSet, bool ) const
+void OutlineView::GetAttributes( SfxItemSet& rTargetSet, bool ) const
 {
     OutlinerView* pOlView = GetViewByWindow(
                                 mrOutlineViewShell.GetActiveWindow());
     assert(pOlView && "keine OutlinerView gefunden");
 
     rTargetSet.Put( pOlView->GetAttribs(), false );
-    return true;
 }
 
 /** creates outliner model from draw model */
diff --git a/sd/source/ui/view/sdview.cxx b/sd/source/ui/view/sdview.cxx
index cff5e65d9a44..98c6615c4077 100644
--- a/sd/source/ui/view/sdview.cxx
+++ b/sd/source/ui/view/sdview.cxx
@@ -518,9 +518,9 @@ bool View::SetAttributes(const SfxItemSet& rSet, bool bReplaceAll)
     return bOk;
 }
 
-bool View::GetAttributes( SfxItemSet& rTargetSet, bool bOnlyHardAttr ) const
+void View::GetAttributes( SfxItemSet& rTargetSet, bool bOnlyHardAttr ) const
 {
-    return FmFormView::GetAttributes( rTargetSet, bOnlyHardAttr );
+    FmFormView::GetAttributes( rTargetSet, bOnlyHardAttr );
 }
 
 /**
diff --git a/sd/source/ui/view/sdview4.cxx b/sd/source/ui/view/sdview4.cxx
index f9e75e33b069..ffda4fe52287 100644
--- a/sd/source/ui/view/sdview4.cxx
+++ b/sd/source/ui/view/sdview4.cxx
@@ -273,7 +273,7 @@ SdrGrafObj* View::InsertGraphic( const Graphic& rGraphic, sal_Int8& rAction,
     return pNewGrafObj;
 }
 
-SdrMediaObj* View::InsertMediaURL( const OUString& rMediaURL, sal_Int8& rAction,
+void View::InsertMediaURL( const OUString& rMediaURL, sal_Int8& rAction,
                                    const Point& rPos, const Size& rSize,
                                    bool const bLink )
 {
@@ -287,14 +287,14 @@ SdrMediaObj* View::InsertMediaURL( const OUString& rMediaURL, sal_Int8& rAction,
         uno::Reference<frame::XModel> const xModel(
                 GetDoc().GetObjectShell()->GetModel());
         bool const bRet = ::avmedia::EmbedMedia(xModel, rMediaURL, realURL);
-        if (!bRet) { return nullptr; }
+        if (!bRet) { return; }
     }
 
-    return InsertMediaObj( realURL, "application/vnd.sun.star.media", rAction, rPos, rSize );
+    InsertMediaObj( realURL, "application/vnd.sun.star.media", rAction, rPos, rSize );
 }
 
 #if HAVE_FEATURE_GLTF
-SdrMediaObj* View::Insert3DModelURL(
+void View::Insert3DModelURL(
     const OUString& rModelURL, sal_Int8& rAction,
     const Point& rPos, const Size& rSize,
     bool const bLink )
@@ -309,14 +309,13 @@ SdrMediaObj* View::Insert3DModelURL(
         uno::Reference<frame::XModel> const xModel(
                 GetDoc().GetObjectShell()->GetModel());
         bool const bRet = ::avmedia::Embed3DModel(xModel, rModelURL, sRealURL);
-        if (!bRet) { return nullptr; }
+        if (!bRet) { return; }
     }
 
     SdrMediaObj* pRetObject = InsertMediaObj( sRealURL, "model/vnd.gltf+json", rAction, rPos, rSize );
     avmedia::MediaItem aItem = pRetObject->getMediaProperties();
     aItem.setLoop(true);
     pRetObject->setMediaProperties(aItem);
-    return pRetObject;
 }
 #endif
 
diff --git a/sd/source/ui/view/viewshe2.cxx b/sd/source/ui/view/viewshe2.cxx
index 628292f48d87..692262c69836 100644
--- a/sd/source/ui/view/viewshe2.cxx
+++ b/sd/source/ui/view/viewshe2.cxx
@@ -142,7 +142,7 @@ IMPL_LINK_TYPED(ViewShell, HScrollHdl, ScrollBar *, pHScroll, void )
 /**
  * virtual scroll handler for horizontal Scrollbars
  */
-long ViewShell::VirtHScrollHdl(ScrollBar* pHScroll)
+void ViewShell::VirtHScrollHdl(ScrollBar* pHScroll)
 {
     long nDelta = pHScroll->GetDelta();
 
@@ -183,8 +183,6 @@ long ViewShell::VirtHScrollHdl(ScrollBar* pHScroll)
             UpdateHRuler();
 
     }
-
-    return 0;
 }
 
 /**
@@ -198,7 +196,7 @@ IMPL_LINK_TYPED(ViewShell, VScrollHdl, ScrollBar *, pVScroll, void )
 /**
  * handling for vertical Scrollbars
  */
-long ViewShell::VirtVScrollHdl(ScrollBar* pVScroll)
+void ViewShell::VirtVScrollHdl(ScrollBar* pVScroll)
 {
     if(IsPageFlipMode())
     {
@@ -244,8 +242,6 @@ long ViewShell::VirtVScrollHdl(ScrollBar* pVScroll)
             UpdateVRuler();
 
     }
-
-    return 0;
 }
 
 SvxRuler* ViewShell::CreateHRuler(::sd::Window* , bool )