loplugin:constparam in vcl,svtools

Change-Id: I7a3eb2bfda869e9e66db919f929ead60cf8890a4
Reviewed-on: https://gerrit.libreoffice.org/44209
Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>

25 files changed, 56 insertions, 56 deletions

diff --git a/include/svl/zformat.hxx b/include/svl/zformat.hxx
index 882082a6313e..9077e45d92ff 100644
--- a/include/svl/zformat.hxx
+++ b/include/svl/zformat.hxx
@@ -580,7 +580,7 @@ private:
         inserted at a proper position to rString after all bracketed prefixes.
      */
     SVL_DLLPRIVATE OUString ImpObtainCalendarAndNumerals( OUStringBuffer & rString,
-                                                          sal_Int32 & nPos,
+                                                          sal_Int32 nPos,
                                                           LanguageType & nLang,
                                                           const LocaleType & aTmpLocale );
 
diff --git a/include/svtools/ivctrl.hxx b/include/svtools/ivctrl.hxx
index 3d7a4842ca91..18641b419422 100644
--- a/include/svtools/ivctrl.hxx
+++ b/include/svtools/ivctrl.hxx
@@ -256,7 +256,7 @@ public:
 
     sal_Int32               GetEntryCount() const;
     SvxIconChoiceCtrlEntry* GetEntry( sal_Int32 nPos ) const;
-    sal_Int32               GetEntryListPos( SvxIconChoiceCtrlEntry* pEntry ) const;
+    sal_Int32               GetEntryListPos( SvxIconChoiceCtrlEntry const * pEntry ) const;
     using Window::SetCursor;
     void                    SetCursor( SvxIconChoiceCtrlEntry* pEntry );
     SvxIconChoiceCtrlEntry* GetCursor() const;
diff --git a/include/svtools/ruler.hxx b/include/svtools/ruler.hxx
index e95febf8fabd..23aac6fc2fcc 100644
--- a/include/svtools/ruler.hxx
+++ b/include/svtools/ruler.hxx
@@ -697,7 +697,7 @@ private:
                                          bool bRequiredStyle = false,
                                          RulerIndentStyle nRequiredStyle = RulerIndentStyle::Top ) const;
     SVT_DLLPRIVATE bool     ImplDocHitTest( const Point& rPos, RulerType eDragType, RulerSelection* pHitTest ) const;
-    SVT_DLLPRIVATE bool     ImplStartDrag( RulerSelection* pHitTest, sal_uInt16 nModifier );
+    SVT_DLLPRIVATE bool     ImplStartDrag( RulerSelection const * pHitTest, sal_uInt16 nModifier );
     SVT_DLLPRIVATE void     ImplDrag( const Point& rPos );
     SVT_DLLPRIVATE void     ImplEndDrag();
 
diff --git a/include/vcl/bitmap.hxx b/include/vcl/bitmap.hxx
index b844807d7d48..66a056448b53 100644
--- a/include/vcl/bitmap.hxx
+++ b/include/vcl/bitmap.hxx
@@ -668,7 +668,7 @@ public:
                                 BitmapReadAccess const * pReadAcc,
                                 int aNumberOfContributions,
                                 const double* pWeights,
-                                int* pPixels,
+                                int const * pPixels,
                                 const int* pCount );
 
     SAL_DLLPRIVATE bool     ImplMakeMono( sal_uInt8 cThreshold );
diff --git a/sax/source/fastparser/fastparser.cxx b/sax/source/fastparser/fastparser.cxx
index 507d40208928..1f278b244616 100644
--- a/sax/source/fastparser/fastparser.cxx
+++ b/sax/source/fastparser/fastparser.cxx
@@ -189,7 +189,7 @@ struct Entity : public ParserData
 
     explicit Entity( const ParserData& rData );
     Entity( const Entity& rEntity );
-    void startElement( Event *pEvent );
+    void startElement( Event const *pEvent );
     void characters( const OUString& sChars );
     void endElement();
     void processingInstruction( const OUString& rTarget, const OUString& rData );
@@ -397,7 +397,7 @@ Entity::Entity(const Entity& e)
 {
 }
 
-void Entity::startElement( Event *pEvent )
+void Entity::startElement( Event const *pEvent )
 {
     const sal_Int32& nElementToken = pEvent->mnElementToken;
     const OUString& aNamespace = pEvent->msNamespace;
diff --git a/svl/source/crypto/cryptosign.cxx b/svl/source/crypto/cryptosign.cxx
index acb85ae7fe6b..d363542bae57 100644
--- a/svl/source/crypto/cryptosign.cxx
+++ b/svl/source/crypto/cryptosign.cxx
@@ -1715,7 +1715,7 @@ namespace
 {
 #ifdef SVL_CRYPTO_NSS
 /// Similar to NSS_CMSAttributeArray_FindAttrByOidTag(), but works directly with a SECOidData.
-NSSCMSAttribute* CMSAttributeArray_FindAttrByOidData(NSSCMSAttribute** attrs, SECOidData* oid, PRBool only)
+NSSCMSAttribute* CMSAttributeArray_FindAttrByOidData(NSSCMSAttribute** attrs, SECOidData const * oid, PRBool only)
 {
     NSSCMSAttribute* attr1, *attr2;
 
diff --git a/svl/source/numbers/zformat.cxx b/svl/source/numbers/zformat.cxx
index 1f2012f998ca..d3e48317f4d0 100644
--- a/svl/source/numbers/zformat.cxx
+++ b/svl/source/numbers/zformat.cxx
@@ -466,7 +466,7 @@ static bool lcl_SvNumberformat_IsBracketedPrefix( short nSymbolType )
 
 /** Import extended LCID from Excel
  */
-OUString SvNumberformat::ImpObtainCalendarAndNumerals( OUStringBuffer& rString, sal_Int32& nPos,
+OUString SvNumberformat::ImpObtainCalendarAndNumerals( OUStringBuffer& rString, sal_Int32 nPos,
                                                        LanguageType& nLang, const LocaleType& aTmpLocale )
 {
     OUString sCalendar;
diff --git a/svtools/source/contnr/imivctl.hxx b/svtools/source/contnr/imivctl.hxx
index 882b0049910d..1f9efb0ce1b2 100644
--- a/svtools/source/contnr/imivctl.hxx
+++ b/svtools/source/contnr/imivctl.hxx
@@ -249,8 +249,8 @@ class SvxIconChoiceCtrl_Impl
                         );
 
     void                SelectRange(
-                            SvxIconChoiceCtrlEntry* pStart,
-                            SvxIconChoiceCtrlEntry* pEnd,
+                            SvxIconChoiceCtrlEntry const * pStart,
+                            SvxIconChoiceCtrlEntry const * pEnd,
                             bool bAdd
                         );
 
@@ -447,7 +447,7 @@ public:
                             }
     SvxIconChoiceCtrlEntry* GetFirstSelectedEntry() const;
     void                SetSelectionMode( SelectionMode eMode ) { eSelectionMode=eMode; }
-    sal_Int32           GetEntryListPos( SvxIconChoiceCtrlEntry* ) const;
+    sal_Int32           GetEntryListPos( SvxIconChoiceCtrlEntry const * ) const;
     void                InitSettings();
     tools::Rectangle           GetOutputRect() const;
 
diff --git a/svtools/source/contnr/imivctl1.cxx b/svtools/source/contnr/imivctl1.cxx
index 424b080ff213..8366a8c497e1 100644
--- a/svtools/source/contnr/imivctl1.cxx
+++ b/svtools/source/contnr/imivctl1.cxx
@@ -2564,8 +2564,8 @@ void SvxIconChoiceCtrl_Impl::SelectRect( const tools::Rectangle& rRect, bool bAd
 }
 
 void SvxIconChoiceCtrl_Impl::SelectRange(
-                        SvxIconChoiceCtrlEntry* pStart,
-                        SvxIconChoiceCtrlEntry* pEnd,
+                        SvxIconChoiceCtrlEntry const * pStart,
+                        SvxIconChoiceCtrlEntry const * pEnd,
                         bool bAdd )
 {
     sal_uLong nFront = GetEntryListPos( pStart );
@@ -3047,7 +3047,7 @@ void IcnViewEdit_Impl::StopEditing()
     }
 }
 
-sal_Int32 SvxIconChoiceCtrl_Impl::GetEntryListPos( SvxIconChoiceCtrlEntry* pEntry ) const
+sal_Int32 SvxIconChoiceCtrl_Impl::GetEntryListPos( SvxIconChoiceCtrlEntry const * pEntry ) const
 {
     if( !(nFlags & IconChoiceFlags::EntryListPosValid ))
         const_cast<SvxIconChoiceCtrl_Impl*>(this)->SetListPositions();
diff --git a/svtools/source/contnr/ivctrl.cxx b/svtools/source/contnr/ivctrl.cxx
index f1796d5704ac..31310df0313b 100644
--- a/svtools/source/contnr/ivctrl.cxx
+++ b/svtools/source/contnr/ivctrl.cxx
@@ -297,7 +297,7 @@ bool SvtIconChoiceCtrl::DoKeyInput( const KeyEvent& rKEvt )
     bool bHandled = _pImpl->KeyInput( rKEvt );
     return bHandled;
 }
-sal_Int32 SvtIconChoiceCtrl::GetEntryListPos( SvxIconChoiceCtrlEntry* pEntry ) const
+sal_Int32 SvtIconChoiceCtrl::GetEntryListPos( SvxIconChoiceCtrlEntry const * pEntry ) const
 {
     return _pImpl->GetEntryListPos( pEntry );
 }
diff --git a/svtools/source/control/ruler.cxx b/svtools/source/control/ruler.cxx
index 15e96da47f98..52198ae55f92 100644
--- a/svtools/source/control/ruler.cxx
+++ b/svtools/source/control/ruler.cxx
@@ -1744,7 +1744,7 @@ bool Ruler::ImplDocHitTest( const Point& rPos, RulerType eDragType,
     return false;
 }
 
-bool Ruler::ImplStartDrag( RulerSelection* pHitTest, sal_uInt16 nModifier )
+bool Ruler::ImplStartDrag( RulerSelection const * pHitTest, sal_uInt16 nModifier )
 {
     // don't trigger drag if a border that was clicked can not be changed
     if ( (pHitTest->eType == RulerType::Border) &&
diff --git a/vcl/inc/sallayout.hxx b/vcl/inc/sallayout.hxx
index b64de3ffed69..9b169eabcd29 100644
--- a/vcl/inc/sallayout.hxx
+++ b/vcl/inc/sallayout.hxx
@@ -115,7 +115,7 @@ private:
 };
 
 // For nice SAL_INFO logging of ImplLayoutArgs values
-std::ostream &operator <<(std::ostream& s, ImplLayoutArgs &rArgs);
+std::ostream &operator <<(std::ostream& s, ImplLayoutArgs const &rArgs);
 
 // all positions/widths are in font units
 // one exception: drawposition is in pixel units
diff --git a/vcl/inc/sft.hxx b/vcl/inc/sft.hxx
index 80225dc04fd6..3d676aa371e8 100644
--- a/vcl/inc/sft.hxx
+++ b/vcl/inc/sft.hxx
@@ -344,7 +344,7 @@ namespace vcl
  * @ingroup sft
  *
  */
-    int  CreateT3FromTTGlyphs(TrueTypeFont *ttf, FILE *outf, const char *fname, sal_uInt16 *glyphArray, sal_uInt8 *encoding, int nGlyphs, int wmode);
+    int  CreateT3FromTTGlyphs(TrueTypeFont *ttf, FILE *outf, const char *fname, sal_uInt16 const *glyphArray, sal_uInt8 *encoding, int nGlyphs, int wmode);
 
 /**
  * Generates a new TrueType font and dumps it to <b>outf</b> file.
@@ -368,8 +368,8 @@ namespace vcl
  */
     int  CreateTTFromTTGlyphs(TrueTypeFont  *ttf,
                               const char    *fname,
-                              sal_uInt16    *glyphArray,
-                              sal_uInt8     *encoding,
+                              sal_uInt16 const *glyphArray,
+                              sal_uInt8 const *encoding,
                               int            nGlyphs,
                               int            nNameRecs,
                               NameRecord const *nr);
@@ -397,7 +397,7 @@ namespace vcl
     int  CreateT42FromTTGlyphs(TrueTypeFont  *ttf,
                                FILE          *outf,
                                const char    *psname,
-                               sal_uInt16        *glyphArray,
+                               sal_uInt16 const *glyphArray,
                                sal_uInt8          *encoding,
                                int            nGlyphs);
 
diff --git a/vcl/source/filter/jpeg/JpegReader.cxx b/vcl/source/filter/jpeg/JpegReader.cxx
index 604b182b5bb1..7c0aecd5fa47 100644
--- a/vcl/source/filter/jpeg/JpegReader.cxx
+++ b/vcl/source/filter/jpeg/JpegReader.cxx
@@ -180,7 +180,7 @@ JPEGReader::~JPEGReader()
 {
 }
 
-bool JPEGReader::CreateBitmap(JPEGCreateBitmapParam& rParam)
+bool JPEGReader::CreateBitmap(JPEGCreateBitmapParam const & rParam)
 {
     if (rParam.nWidth > SAL_MAX_INT32 / 8 || rParam.nHeight > SAL_MAX_INT32 / 8)
         return false; // avoid overflows later
diff --git a/vcl/source/filter/jpeg/JpegReader.hxx b/vcl/source/filter/jpeg/JpegReader.hxx
index 6c4f1dc3803b..84ad8c2a718c 100644
--- a/vcl/source/filter/jpeg/JpegReader.hxx
+++ b/vcl/source/filter/jpeg/JpegReader.hxx
@@ -64,7 +64,7 @@ public:
 
     ReadState Read(Graphic& rGraphic, GraphicFilterImportFlags nImportFlags, Bitmap::ScopedWriteAccess* ppAccess);
 
-    bool CreateBitmap(JPEGCreateBitmapParam& param);
+    bool CreateBitmap(JPEGCreateBitmapParam const & param);
 
     Bitmap& GetBitmap() { return *mpBitmap; }
 };
diff --git a/vcl/source/fontsubset/sft.cxx b/vcl/source/fontsubset/sft.cxx
index 19e40cb6d61c..098d54b41b2d 100644
--- a/vcl/source/fontsubset/sft.cxx
+++ b/vcl/source/fontsubset/sft.cxx
@@ -1770,7 +1770,7 @@ int GetTTGlyphComponents(TrueTypeFont *ttf, sal_uInt32 glyphID, std::vector< sal
 }
 
 int  CreateT3FromTTGlyphs(TrueTypeFont *ttf, FILE *outf, const char *fname,
-                          sal_uInt16 *glyphArray, sal_uInt8 *encoding, int nGlyphs,
+                          sal_uInt16 const *glyphArray, sal_uInt8 *encoding, int nGlyphs,
                           int wmode)
 {
     ControlPoint *pa;
@@ -1923,8 +1923,8 @@ int  CreateT3FromTTGlyphs(TrueTypeFont *ttf, FILE *outf, const char *fname,
 
 int  CreateTTFromTTGlyphs(TrueTypeFont  *ttf,
                           const char    *fname,
-                          sal_uInt16        *glyphArray,
-                          sal_uInt8          *encoding,
+                          sal_uInt16 const *glyphArray,
+                          sal_uInt8 const *encoding,
                           int            nGlyphs,
                           int            nNameRecs,
                           NameRecord const *nr)
@@ -2178,7 +2178,7 @@ static void DumpSfnts(FILE *outf, sal_uInt8 *sfntP, sal_uInt32 sfntLen)
 int  CreateT42FromTTGlyphs(TrueTypeFont  *ttf,
                            FILE          *outf,
                            const char    *psname,
-                           sal_uInt16        *glyphArray,
+                           sal_uInt16 const *glyphArray,
                            sal_uInt8          *encoding,
                            int            nGlyphs)
 {
diff --git a/vcl/source/fontsubset/ttcr.cxx b/vcl/source/fontsubset/ttcr.cxx
index 2b30cb35ebc5..6ea929cd728d 100644
--- a/vcl/source/fontsubset/ttcr.cxx
+++ b/vcl/source/fontsubset/ttcr.cxx
@@ -615,7 +615,7 @@ static sal_uInt8 *PackCmapType0(CmapSubTable const *s, sal_uInt32 *length)
     return ptr;
 }
 
-static sal_uInt8 *PackCmapType6(CmapSubTable *s, sal_uInt32 *length)
+static sal_uInt8 *PackCmapType6(CmapSubTable const *s, sal_uInt32 *length)
 {
     sal_uInt8* ptr = static_cast<sal_uInt8*>(smalloc(s->n*2 + 10));
     sal_uInt8 *p = ptr + 10;
@@ -642,7 +642,7 @@ static sal_uInt8 *PackCmapType6(CmapSubTable *s, sal_uInt32 *length)
 }
 
 /* XXX it only handles Format 0 encoding tables */
-static sal_uInt8 *PackCmap(CmapSubTable *s, sal_uInt32 *length)
+static sal_uInt8 *PackCmap(CmapSubTable const *s, sal_uInt32 *length)
 {
     if( s->xg[s->n-1] > 0xff )
         return PackCmapType6(s, length);
diff --git a/vcl/source/gdi/bitmap3.cxx b/vcl/source/gdi/bitmap3.cxx
index 4aef742fcc86..b509f6059737 100644
--- a/vcl/source/gdi/bitmap3.cxx
+++ b/vcl/source/gdi/bitmap3.cxx
@@ -2127,7 +2127,7 @@ bool Bitmap::Adjust( short nLuminancePercent, short nContrastPercent,
     return bRet;
 }
 
-bool Bitmap::ImplConvolutionPass(Bitmap& aNewBitmap, BitmapReadAccess const * pReadAcc, int aNumberOfContributions, const double* pWeights, int* pPixels, const int* pCount)
+bool Bitmap::ImplConvolutionPass(Bitmap& aNewBitmap, BitmapReadAccess const * pReadAcc, int aNumberOfContributions, const double* pWeights, int const * pPixels, const int* pCount)
 {
     if (!pReadAcc)
         return false;
diff --git a/vcl/source/gdi/pdfwriter_impl.cxx b/vcl/source/gdi/pdfwriter_impl.cxx
index 3592ae115504..db6d337c0c2e 100644
--- a/vcl/source/gdi/pdfwriter_impl.cxx
+++ b/vcl/source/gdi/pdfwriter_impl.cxx
@@ -3026,7 +3026,7 @@ static void appendSubsetName( int nSubsetID, const OUString& rPSName, OStringBuf
     appendName( rPSName, rBuffer );
 }
 
-sal_Int32 PDFWriterImpl::createToUnicodeCMap( sal_uInt8* pEncoding,
+sal_Int32 PDFWriterImpl::createToUnicodeCMap( sal_uInt8 const * pEncoding,
                                               const sal_Ucs* pCodeUnits,
                                               const sal_Int32* pCodeUnitsPerGlyph,
                                               const sal_Int32* pEncToUnicodeIndex,
@@ -3136,7 +3136,7 @@ sal_Int32 PDFWriterImpl::createToUnicodeCMap( sal_uInt8* pEncoding,
     return nStream;
 }
 
-sal_Int32 PDFWriterImpl::emitFontDescriptor( const PhysicalFontFace* pFont, FontSubsetInfo& rInfo, sal_Int32 nSubsetID, sal_Int32 nFontStream )
+sal_Int32 PDFWriterImpl::emitFontDescriptor( const PhysicalFontFace* pFont, FontSubsetInfo const & rInfo, sal_Int32 nSubsetID, sal_Int32 nFontStream )
 {
     OStringBuffer aLine( 1024 );
     // get font flags, see PDF reference 1.4 p. 358
@@ -8647,7 +8647,7 @@ void PDFWriterImpl::writeTransparentObject( TransparencyEmit& rObject )
     CHECK_RETURN2( writeBuffer( aLine.getStr(), aLine.getLength() ) );
 }
 
-bool PDFWriterImpl::writeGradientFunction( GradientEmit& rObject )
+bool PDFWriterImpl::writeGradientFunction( GradientEmit const & rObject )
 {
     // LO internal gradient -> PDF shading type:
     //  * GradientStyle::Linear: axial shading, using sampled-function with 2 samples
diff --git a/vcl/source/gdi/pdfwriter_impl.hxx b/vcl/source/gdi/pdfwriter_impl.hxx
index b9e02ee0a69d..7aba8c50d0e6 100644
--- a/vcl/source/gdi/pdfwriter_impl.hxx
+++ b/vcl/source/gdi/pdfwriter_impl.hxx
@@ -861,7 +861,7 @@ i12626
     /* writes the Do operation inside the content stream */
     void drawBitmap( const Point& rDestPt, const Size& rDestSize, const BitmapEmit& rBitmap, const Color& rFillColor );
     /* write the function object for a Gradient */
-    bool writeGradientFunction( GradientEmit& rObject );
+    bool writeGradientFunction( GradientEmit const & rObject );
     /* creates a GradientEmit and returns its object number */
     sal_Int32 createGradient(  const Gradient& rGradient, const Size& rSize );
 
@@ -874,9 +874,9 @@ i12626
     /* writes a type1 system font object and returns its mapping from font ids to object ids (or 0 in case of failure ) */
     std::map< sal_Int32, sal_Int32 > emitSystemFont( const PhysicalFontFace*, EmbedFont const & );
     /* writes a font descriptor and returns its object id (or 0) */
-    sal_Int32 emitFontDescriptor( const PhysicalFontFace*, FontSubsetInfo&, sal_Int32 nSubsetID, sal_Int32 nStream );
+    sal_Int32 emitFontDescriptor( const PhysicalFontFace*, FontSubsetInfo const &, sal_Int32 nSubsetID, sal_Int32 nStream );
     /* writes a ToUnicode cmap, returns the corresponding stream object */
-    sal_Int32 createToUnicodeCMap( sal_uInt8* pEncoding, const sal_Ucs* pCodeUnits, const sal_Int32* pCodeUnitsPerGlyph,
+    sal_Int32 createToUnicodeCMap( sal_uInt8 const * pEncoding, const sal_Ucs* pCodeUnits, const sal_Int32* pCodeUnitsPerGlyph,
                                    const sal_Int32* pEncToUnicodeIndex, int nGlyphs );
 
     /* get resource dict object number */
diff --git a/vcl/source/gdi/sallayout.cxx b/vcl/source/gdi/sallayout.cxx
index a3b2d019c783..e277e661f61e 100644
--- a/vcl/source/gdi/sallayout.cxx
+++ b/vcl/source/gdi/sallayout.cxx
@@ -50,7 +50,7 @@
 #define GF_DROPPED   0xFFFFFFFF
 
 
-std::ostream &operator <<(std::ostream& s, ImplLayoutArgs &rArgs)
+std::ostream &operator <<(std::ostream& s, ImplLayoutArgs const &rArgs)
 {
 #ifndef SAL_LOG_INFO
     (void) rArgs;
diff --git a/vcl/source/gdi/salmisc.cxx b/vcl/source/gdi/salmisc.cxx
index 0befbf6f3a93..174eda36c3a4 100644
--- a/vcl/source/gdi/salmisc.cxx
+++ b/vcl/source/gdi/salmisc.cxx
@@ -65,7 +65,7 @@ static long ImplIndexFromColor( const BitmapColor& rCol )
 
 static void ImplPALToPAL( const BitmapBuffer& rSrcBuffer, BitmapBuffer& rDstBuffer,
                           FncGetPixel pFncGetPixel, FncSetPixel pFncSetPixel,
-                          Scanline* pSrcScanMap, Scanline* pDstScanMap, long* pMapX, const long* pMapY )
+                          Scanline* pSrcScanMap, Scanline* pDstScanMap, long const * pMapX, const long* pMapY )
 {
     const long          nHeight1 = rDstBuffer.mnHeight - 1;
     const ColorMask&    rSrcMask = rSrcBuffer.maColorMask;
@@ -96,9 +96,9 @@ static void ImplPALToPAL( const BitmapBuffer& rSrcBuffer, BitmapBuffer& rDstBuff
     }
 }
 
-static void ImplPALToTC( const BitmapBuffer& rSrcBuffer, BitmapBuffer& rDstBuffer,
+static void ImplPALToTC( const BitmapBuffer& rSrcBuffer, BitmapBuffer const & rDstBuffer,
                          FncGetPixel pFncGetPixel, FncSetPixel pFncSetPixel,
-                         Scanline* pSrcScanMap, Scanline* pDstScanMap, long* pMapX, const long* pMapY )
+                         Scanline* pSrcScanMap, Scanline* pDstScanMap, long const * pMapX, const long* pMapY )
 {
     const long          nHeight1 = rDstBuffer.mnHeight - 1;
     const ColorMask&    rSrcMask = rSrcBuffer.maColorMask;
@@ -175,9 +175,9 @@ static void ImplPALToTC( const BitmapBuffer& rSrcBuffer, BitmapBuffer& rDstBuffe
     }
 }
 
-static void ImplTCToTC( const BitmapBuffer& rSrcBuffer, BitmapBuffer& rDstBuffer,
+static void ImplTCToTC( const BitmapBuffer& rSrcBuffer, BitmapBuffer const & rDstBuffer,
                         FncGetPixel pFncGetPixel, FncSetPixel pFncSetPixel,
-                        Scanline* pSrcScanMap, Scanline* pDstScanMap, long* pMapX, const long* pMapY )
+                        Scanline* pSrcScanMap, Scanline* pDstScanMap, long const * pMapX, const long* pMapY )
 {
     const long          nHeight1 = rDstBuffer.mnHeight - 1;
     const ColorMask&    rSrcMask = rSrcBuffer.maColorMask;
@@ -219,9 +219,9 @@ static void ImplTCToTC( const BitmapBuffer& rSrcBuffer, BitmapBuffer& rDstBuffer
     }
 }
 
-static void ImplTCToPAL( const BitmapBuffer& rSrcBuffer, BitmapBuffer& rDstBuffer,
+static void ImplTCToPAL( const BitmapBuffer& rSrcBuffer, BitmapBuffer const & rDstBuffer,
                          FncGetPixel pFncGetPixel, FncSetPixel pFncSetPixel,
-                         Scanline* pSrcScanMap, Scanline* pDstScanMap, long* pMapX, const long* pMapY )
+                         Scanline* pSrcScanMap, Scanline* pDstScanMap, long const * pMapX, const long* pMapY )
 {
     const long          nHeight1 = rDstBuffer.mnHeight- 1;
     const ColorMask&    rSrcMask = rSrcBuffer.maColorMask;
diff --git a/vcl/source/window/cursor.cxx b/vcl/source/window/cursor.cxx
index 23afab02edf2..a4c0187097e6 100644
--- a/vcl/source/window/cursor.cxx
+++ b/vcl/source/window/cursor.cxx
@@ -42,7 +42,7 @@ struct ImplCursorData
     VclPtr<vcl::Window> mpWindow;           // assigned window
 };
 
-static void ImplCursorInvert( ImplCursorData* pData )
+static void ImplCursorInvert( ImplCursorData const * pData )
 {
     vcl::Window* pWindow  = pData->mpWindow;
     std::unique_ptr<PaintBufferGuard> pGuard;
diff --git a/vcl/source/window/toolbox.cxx b/vcl/source/window/toolbox.cxx
index 4200cdbc02d0..8541bed438dd 100644
--- a/vcl/source/window/toolbox.cxx
+++ b/vcl/source/window/toolbox.cxx
@@ -145,7 +145,7 @@ int ToolBox::ImplGetDragWidth() const
     return ToolBox::ImplGetDragWidth( *this, mbHorz );
 }
 
-ButtonType determineButtonType( ImplToolItem* pItem, ButtonType defaultType )
+ButtonType determineButtonType( ImplToolItem const * pItem, ButtonType defaultType )
 {
     ButtonType tmpButtonType = defaultType;
     if ( pItem->mnBits & (ToolBoxItemBits::TEXT_ONLY | ToolBoxItemBits::ICON_ONLY) ) // item has custom setting
diff --git a/vcl/source/window/winproc.cxx b/vcl/source/window/winproc.cxx
index 3c56adc27733..fdc584eb7513 100644
--- a/vcl/source/window/winproc.cxx
+++ b/vcl/source/window/winproc.cxx
@@ -1955,7 +1955,7 @@ static MouseEventModifiers ImplGetMouseButtonMode( SalMouseEvent const * pEvent
     return nMode;
 }
 
-inline bool ImplHandleSalMouseLeave( vcl::Window* pWindow, SalMouseEvent* pEvent )
+inline bool ImplHandleSalMouseLeave( vcl::Window* pWindow, SalMouseEvent const * pEvent )
 {
     return ImplHandleMouseEvent( pWindow, MouseNotifyEvent::MOUSEMOVE, true,
                                  pEvent->mnX, pEvent->mnY,
@@ -1963,7 +1963,7 @@ inline bool ImplHandleSalMouseLeave( vcl::Window* pWindow, SalMouseEvent* pEvent
                                  ImplGetMouseMoveMode( pEvent ) );
 }
 
-inline bool ImplHandleSalMouseMove( vcl::Window* pWindow, SalMouseEvent* pEvent )
+inline bool ImplHandleSalMouseMove( vcl::Window* pWindow, SalMouseEvent const * pEvent )
 {
     return ImplHandleMouseEvent( pWindow, MouseNotifyEvent::MOUSEMOVE, false,
                                  pEvent->mnX, pEvent->mnY,
@@ -1971,7 +1971,7 @@ inline bool ImplHandleSalMouseMove( vcl::Window* pWindow, SalMouseEvent* pEvent
                                  ImplGetMouseMoveMode( pEvent ) );
 }
 
-inline bool ImplHandleSalMouseButtonDown( vcl::Window* pWindow, SalMouseEvent* pEvent )
+inline bool ImplHandleSalMouseButtonDown( vcl::Window* pWindow, SalMouseEvent const * pEvent )
 {
     return ImplHandleMouseEvent( pWindow, MouseNotifyEvent::MOUSEBUTTONDOWN, false,
                                  pEvent->mnX, pEvent->mnY,
@@ -1984,7 +1984,7 @@ inline bool ImplHandleSalMouseButtonDown( vcl::Window* pWindow, SalMouseEvent* p
                                  ImplGetMouseButtonMode( pEvent ) );
 }
 
-inline bool ImplHandleSalMouseButtonUp( vcl::Window* pWindow, SalMouseEvent* pEvent )
+inline bool ImplHandleSalMouseButtonUp( vcl::Window* pWindow, SalMouseEvent const * pEvent )
 {
     return ImplHandleMouseEvent( pWindow, MouseNotifyEvent::MOUSEBUTTONUP, false,
                                  pEvent->mnX, pEvent->mnY,
@@ -2038,7 +2038,7 @@ static bool ImplHandleMenuEvent( vcl::Window const * pWindow, SalMenuEvent* pEve
     return bRet;
 }
 
-static void ImplHandleSalKeyMod( vcl::Window* pWindow, SalKeyModEvent* pEvent )
+static void ImplHandleSalKeyMod( vcl::Window* pWindow, SalKeyModEvent const * pEvent )
 {
     ImplSVData* pSVData = ImplGetSVData();
     vcl::Window* pTrackWin = pSVData->maWinData.mpTrackWin;
@@ -2283,7 +2283,7 @@ bool ImplWindowFrameProc( vcl::Window* _pWindow, SalEvent nEvent, const void* pE
     switch ( nEvent )
     {
         case SalEvent::MouseMove:
-            bRet = ImplHandleSalMouseMove( pWindow, const_cast<SalMouseEvent *>(static_cast<SalMouseEvent const *>(pEvent)) );
+            bRet = ImplHandleSalMouseMove( pWindow, static_cast<SalMouseEvent const *>(pEvent) );
             break;
         case SalEvent::ExternalMouseMove:
         {
@@ -2300,10 +2300,10 @@ bool ImplWindowFrameProc( vcl::Window* _pWindow, SalEvent nEvent, const void* pE
         }
         break;
         case SalEvent::MouseLeave:
-            bRet = ImplHandleSalMouseLeave( pWindow, const_cast<SalMouseEvent *>(static_cast<SalMouseEvent const *>(pEvent)) );
+            bRet = ImplHandleSalMouseLeave( pWindow, static_cast<SalMouseEvent const *>(pEvent) );
             break;
         case SalEvent::MouseButtonDown:
-            bRet = ImplHandleSalMouseButtonDown( pWindow, const_cast<SalMouseEvent *>(static_cast<SalMouseEvent const *>(pEvent)) );
+            bRet = ImplHandleSalMouseButtonDown( pWindow, static_cast<SalMouseEvent const *>(pEvent) );
             break;
         case SalEvent::ExternalMouseButtonDown:
         {
@@ -2320,7 +2320,7 @@ bool ImplWindowFrameProc( vcl::Window* _pWindow, SalEvent nEvent, const void* pE
         }
         break;
         case SalEvent::MouseButtonUp:
-            bRet = ImplHandleSalMouseButtonUp( pWindow, const_cast<SalMouseEvent *>(static_cast<SalMouseEvent const *>(pEvent)) );
+            bRet = ImplHandleSalMouseButtonUp( pWindow, static_cast<SalMouseEvent const *>(pEvent) );
             break;
         case SalEvent::ExternalMouseButtonUp:
         {
@@ -2368,7 +2368,7 @@ bool ImplWindowFrameProc( vcl::Window* _pWindow, SalEvent nEvent, const void* pE
             }
             break;
         case SalEvent::KeyModChange:
-            ImplHandleSalKeyMod( pWindow, const_cast<SalKeyModEvent *>(static_cast<SalKeyModEvent const *>(pEvent)) );
+            ImplHandleSalKeyMod( pWindow, static_cast<SalKeyModEvent const *>(pEvent) );
             break;
 
         case SalEvent::InputLanguageChange: