loplugin:checkunusedparams in vcl

Change-Id: I26661684e634aa15a18f78442de15c9db832f319
Reviewed-on: https://gerrit.libreoffice.org/36886
Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>

41 files changed, 184 insertions, 208 deletions

diff --git a/vcl/inc/brdwin.hxx b/vcl/inc/brdwin.hxx
index 43341841a399..ab9c965202a9 100644
--- a/vcl/inc/brdwin.hxx
+++ b/vcl/inc/brdwin.hxx
@@ -138,7 +138,7 @@ public:
     void                    InvalidateBorder();
 
     using Window::Draw;
-    void                    Draw( const tools::Rectangle& rRect, OutputDevice* pDev, const Point& rPos );
+    void                    Draw( OutputDevice* pDev, const Point& rPos );
 
     void                    SetDisplayActive( bool bActive );
     void                    SetTitleType( BorderWindowTitleType nTitleType, const Size& rSize );
@@ -237,7 +237,7 @@ public:
 class ImplNoBorderWindowView : public ImplBorderWindowView
 {
 public:
-                            ImplNoBorderWindowView( ImplBorderWindow* pBorderWindow );
+                            ImplNoBorderWindowView();
 
     virtual void            Init( OutputDevice* pDev, long nWidth, long nHeight ) override;
     virtual void            GetBorder( sal_Int32& rLeftBorder, sal_Int32& rTopBorder,
diff --git a/vcl/inc/printdlg.hxx b/vcl/inc/printdlg.hxx
index b8129dcd8b93..2371eaa5469b 100644
--- a/vcl/inc/printdlg.hxx
+++ b/vcl/inc/printdlg.hxx
@@ -215,7 +215,7 @@ namespace vcl
         void updateNup();
         void updateNupFromPages();
         void preparePreview( bool i_bPrintChanged = true, bool i_bMayUseCache = false );
-        void setPreviewText( sal_Int32 );
+        void setPreviewText();
         void updatePrinterText();
         void checkControlDependencies();
         void checkOptionalControlDependencies();
diff --git a/vcl/inc/salgdi.hxx b/vcl/inc/salgdi.hxx
index e914b6493dff..e3892a381bed 100644
--- a/vcl/inc/salgdi.hxx
+++ b/vcl/inc/salgdi.hxx
@@ -268,8 +268,7 @@ public:
 
     bool                        DrawGradient(
                                     const tools::PolyPolygon& rPolyPoly,
-                                    const Gradient& rGradient,
-                                    OutputDevice* );
+                                    const Gradient& rGradient );
 
 
     // CopyArea --> No RasterOp, but ClipRegion
diff --git a/vcl/inc/salobj.hxx b/vcl/inc/salobj.hxx
index b1005fb87846..3d2105fcb008 100644
--- a/vcl/inc/salobj.hxx
+++ b/vcl/inc/salobj.hxx
@@ -52,8 +52,8 @@ public:
 
     void                            SetCallback( void* pInst, SALOBJECTPROC pProc )
                                         { m_pInst = pInst; m_pCallback = pProc; }
-    void                            CallCallback( SalObjEvent nEvent, const void* pEvent )
-                                        { if (m_pCallback) m_pCallback( m_pInst, this, nEvent, pEvent ); }
+    void                            CallCallback( SalObjEvent nEvent )
+                                        { if (m_pCallback) m_pCallback( m_pInst, nEvent ); }
 
     void                            SetMouseTransparent( bool bMouseTransparent )
                                         { m_bMouseTransparent = bMouseTransparent; }
diff --git a/vcl/inc/salwtype.hxx b/vcl/inc/salwtype.hxx
index 4b27a3e99c6b..316165f3d44c 100644
--- a/vcl/inc/salwtype.hxx
+++ b/vcl/inc/salwtype.hxx
@@ -224,8 +224,7 @@ enum class SalObjEvent {
     ToTop              = 3
 };
 
-typedef long (*SALOBJECTPROC)( void* pInst, SalObject* pObject,
-                               SalObjEvent nEvent, const void* pEvent );
+typedef long (*SALOBJECTPROC)( void* pInst, SalObjEvent nEvent );
 
 struct SalFrameState
 {
diff --git a/vcl/source/control/button.cxx b/vcl/source/control/button.cxx
index 122a71ef55be..493c74e4532f 100644
--- a/vcl/source/control/button.cxx
+++ b/vcl/source/control/button.cxx
@@ -658,7 +658,7 @@ void PushButton::ImplInit( vcl::Window* pParent, WinBits nStyle )
     if ( nStyle & WB_NOLIGHTBORDER )
         ImplGetButtonState() |= DrawButtonFlags::NoLightBorder;
 
-    ImplInitSettings( true, true, true );
+    ImplInitSettings( true );
 }
 
 WinBits PushButton::ImplInitStyle( const vcl::Window* pPrevWindow, WinBits nStyle )
@@ -692,10 +692,9 @@ const Color& PushButton::GetCanonicalTextColor( const StyleSettings& _rStyle ) c
     return _rStyle.GetButtonTextColor();
 }
 
-void PushButton::ImplInitSettings( bool bFont,
-                                   bool bForeground, bool bBackground )
+void PushButton::ImplInitSettings( bool bBackground )
 {
-    Button::ImplInitSettings( bFont, bForeground );
+    Button::ImplInitSettings();
 
     if ( bBackground )
     {
@@ -1453,17 +1452,17 @@ void PushButton::StateChanged( StateChangedType nType )
     else if ( (nType == StateChangedType::Zoom) ||
               (nType == StateChangedType::ControlFont) )
     {
-        ImplInitSettings( true, false, false );
+        ImplInitSettings( false );
         Invalidate();
     }
     else if ( nType == StateChangedType::ControlForeground )
     {
-        ImplInitSettings( false, true, false );
+        ImplInitSettings( false );
         Invalidate();
     }
     else if ( nType == StateChangedType::ControlBackground )
     {
-        ImplInitSettings( false, false, true );
+        ImplInitSettings( true );
         Invalidate();
     }
 }
@@ -1477,7 +1476,7 @@ void PushButton::DataChanged( const DataChangedEvent& rDCEvt )
          ((rDCEvt.GetType() == DataChangedEventType::SETTINGS) &&
           (rDCEvt.GetFlags() & AllSettingsFlags::STYLE)) )
     {
-        ImplInitSettings( true, true, true );
+        ImplInitSettings( true );
         Invalidate();
     }
 }
@@ -1835,7 +1834,7 @@ void RadioButton::ImplInit( vcl::Window* pParent, WinBits nStyle )
     nStyle = ImplInitStyle(getPreviousSibling(pParent), nStyle);
     Button::ImplInit( pParent, nStyle, nullptr );
 
-    ImplInitSettings( true, true, true );
+    ImplInitSettings( true );
 }
 
 WinBits RadioButton::ImplInitStyle( const vcl::Window* pPrevWindow, WinBits nStyle )
@@ -1863,10 +1862,9 @@ const Color& RadioButton::GetCanonicalTextColor( const StyleSettings& _rStyle )
     return _rStyle.GetRadioCheckTextColor();
 }
 
-void RadioButton::ImplInitSettings( bool bFont,
-                                    bool bForeground, bool bBackground )
+void RadioButton::ImplInitSettings( bool bBackground )
 {
-    Button::ImplInitSettings( bFont, bForeground );
+    Button::ImplInitSettings();
 
     if ( bBackground )
     {
@@ -2557,17 +2555,17 @@ void RadioButton::StateChanged( StateChangedType nType )
     else if ( (nType == StateChangedType::Zoom) ||
               (nType == StateChangedType::ControlFont) )
     {
-        ImplInitSettings( true, false, false );
+        ImplInitSettings( false );
         Invalidate();
     }
     else if ( nType == StateChangedType::ControlForeground )
     {
-        ImplInitSettings( false, true, false );
+        ImplInitSettings( false );
         Invalidate();
     }
     else if ( nType == StateChangedType::ControlBackground )
     {
-        ImplInitSettings( false, false, true );
+        ImplInitSettings( true );
         Invalidate();
     }
 }
@@ -2581,7 +2579,7 @@ void RadioButton::DataChanged( const DataChangedEvent& rDCEvt )
          ((rDCEvt.GetType() == DataChangedEventType::SETTINGS) &&
           (rDCEvt.GetFlags() & AllSettingsFlags::STYLE)) )
     {
-        ImplInitSettings( true, true, true );
+        ImplInitSettings( true );
         Invalidate();
     }
 }
@@ -2939,7 +2937,7 @@ void CheckBox::ImplInit( vcl::Window* pParent, WinBits nStyle )
     nStyle = ImplInitStyle(getPreviousSibling(pParent), nStyle);
     Button::ImplInit( pParent, nStyle, nullptr );
 
-    ImplInitSettings( true, true, true );
+    ImplInitSettings( true );
 }
 
 WinBits CheckBox::ImplInitStyle( const vcl::Window* pPrevWindow, WinBits nStyle )
@@ -2962,10 +2960,9 @@ const Color& CheckBox::GetCanonicalTextColor( const StyleSettings& _rStyle ) con
     return _rStyle.GetRadioCheckTextColor();
 }
 
-void CheckBox::ImplInitSettings( bool bFont,
-                                 bool bForeground, bool bBackground )
+void CheckBox::ImplInitSettings( bool bBackground )
 {
-    Button::ImplInitSettings( bFont, bForeground );
+    Button::ImplInitSettings();
 
     if ( bBackground )
     {
@@ -3479,17 +3476,17 @@ void CheckBox::StateChanged( StateChangedType nType )
     else if ( (nType == StateChangedType::Zoom) ||
               (nType == StateChangedType::ControlFont) )
     {
-        ImplInitSettings( true, false, false );
+        ImplInitSettings( false );
         Invalidate();
     }
     else if ( nType == StateChangedType::ControlForeground )
     {
-        ImplInitSettings( false, true, false );
+        ImplInitSettings( false );
         Invalidate();
     }
     else if ( nType == StateChangedType::ControlBackground )
     {
-        ImplInitSettings( false, false, true );
+        ImplInitSettings( true );
         Invalidate();
     }
 }
@@ -3503,7 +3500,7 @@ void CheckBox::DataChanged( const DataChangedEvent& rDCEvt )
          ((rDCEvt.GetType() == DataChangedEventType::SETTINGS) &&
           (rDCEvt.GetFlags() & AllSettingsFlags::STYLE)) )
     {
-        ImplInitSettings( true, true, true );
+        ImplInitSettings( true );
         Invalidate();
     }
 }
diff --git a/vcl/source/control/ctrl.cxx b/vcl/source/control/ctrl.cxx
index 8d94ebc26fce..3e4c0d56afb8 100644
--- a/vcl/source/control/ctrl.cxx
+++ b/vcl/source/control/ctrl.cxx
@@ -407,7 +407,7 @@ void Control::ApplySettings(vcl::RenderContext& rRenderContext)
     rRenderContext.SetTextFillColor();
 }
 
-void Control::ImplInitSettings(const bool, const bool)
+void Control::ImplInitSettings()
 {
     ApplySettings(*this);
 }
diff --git a/vcl/source/control/field.cxx b/vcl/source/control/field.cxx
index a1c1ea8897b9..aa616ef50805 100644
--- a/vcl/source/control/field.cxx
+++ b/vcl/source/control/field.cxx
@@ -60,9 +60,9 @@ sal_Int64 ImplPower10( sal_uInt16 n )
     return nValue;
 }
 
-bool ImplNumericProcessKeyInput( Edit*, const KeyEvent& rKEvt,
-                                        bool bStrictFormat, bool bThousandSep,
-                                        const LocaleDataWrapper& rLocaleDataWrappper )
+bool ImplNumericProcessKeyInput( const KeyEvent& rKEvt,
+                                 bool bStrictFormat, bool bThousandSep,
+                                 const LocaleDataWrapper& rLocaleDataWrappper )
 {
     if ( !bStrictFormat )
         return false;
@@ -775,7 +775,7 @@ bool NumericField::PreNotify( NotifyEvent& rNEvt )
 {
         if ( (rNEvt.GetType() == MouseNotifyEvent::KEYINPUT) && !rNEvt.GetKeyEvent()->GetKeyCode().IsMod2() )
     {
-        if ( ImplNumericProcessKeyInput( GetField(), *rNEvt.GetKeyEvent(), IsStrictFormat(), IsUseThousandSep(), ImplGetLocaleDataWrapper() ) )
+        if ( ImplNumericProcessKeyInput( *rNEvt.GetKeyEvent(), IsStrictFormat(), IsUseThousandSep(), ImplGetLocaleDataWrapper() ) )
             return true;
     }
 
@@ -914,7 +914,7 @@ bool NumericBox::PreNotify( NotifyEvent& rNEvt )
 {
     if ( (rNEvt.GetType() == MouseNotifyEvent::KEYINPUT) && !rNEvt.GetKeyEvent()->GetKeyCode().IsMod2() )
     {
-        if ( ImplNumericProcessKeyInput( GetField(), *rNEvt.GetKeyEvent(), IsStrictFormat(), IsUseThousandSep(), ImplGetLocaleDataWrapper() ) )
+        if ( ImplNumericProcessKeyInput( *rNEvt.GetKeyEvent(), IsStrictFormat(), IsUseThousandSep(), ImplGetLocaleDataWrapper() ) )
             return true;
     }
 
@@ -978,11 +978,11 @@ void NumericBox::InsertValue( sal_Int64 nValue, sal_Int32 nPos )
     ComboBox::InsertEntry( CreateFieldText( nValue ), nPos );
 }
 
-static bool ImplMetricProcessKeyInput( Edit* pEdit, const KeyEvent& rKEvt,
-                                       bool, bool bUseThousandSep, const LocaleDataWrapper& rWrapper )
+static bool ImplMetricProcessKeyInput( const KeyEvent& rKEvt,
+                                       bool bUseThousandSep, const LocaleDataWrapper& rWrapper )
 {
     // no meaningfull strict format; therefore allow all characters
-    return ImplNumericProcessKeyInput( pEdit, rKEvt, false, bUseThousandSep, rWrapper );
+    return ImplNumericProcessKeyInput( rKEvt, false, bUseThousandSep, rWrapper );
 }
 
 static OUString ImplMetricGetUnitText(const OUString& rStr)
@@ -1595,7 +1595,7 @@ bool MetricField::PreNotify( NotifyEvent& rNEvt )
 {
     if ( (rNEvt.GetType() == MouseNotifyEvent::KEYINPUT) && !rNEvt.GetKeyEvent()->GetKeyCode().IsMod2() )
     {
-        if ( ImplMetricProcessKeyInput( GetField(), *rNEvt.GetKeyEvent(), IsStrictFormat(), IsUseThousandSep(), ImplGetLocaleDataWrapper() ) )
+        if ( ImplMetricProcessKeyInput( *rNEvt.GetKeyEvent(), IsUseThousandSep(), ImplGetLocaleDataWrapper() ) )
             return true;
     }
 
@@ -1698,7 +1698,7 @@ bool MetricBox::PreNotify( NotifyEvent& rNEvt )
 {
     if ( (rNEvt.GetType() == MouseNotifyEvent::KEYINPUT) && !rNEvt.GetKeyEvent()->GetKeyCode().IsMod2()  )
     {
-        if ( ImplMetricProcessKeyInput( GetField(), *rNEvt.GetKeyEvent(), IsStrictFormat(), IsUseThousandSep(), ImplGetLocaleDataWrapper() ) )
+        if ( ImplMetricProcessKeyInput( *rNEvt.GetKeyEvent(), IsUseThousandSep(), ImplGetLocaleDataWrapper() ) )
             return true;
     }
 
@@ -1803,11 +1803,11 @@ sal_Int64 MetricBox::GetValue() const
     return GetValue( FUNIT_NONE );
 }
 
-static bool ImplCurrencyProcessKeyInput( Edit* pEdit, const KeyEvent& rKEvt,
-                                         bool, bool bUseThousandSep, const LocaleDataWrapper& rWrapper )
+static bool ImplCurrencyProcessKeyInput( const KeyEvent& rKEvt,
+                                         bool bUseThousandSep, const LocaleDataWrapper& rWrapper )
 {
     // no strict format set; therefore allow all characters
-    return ImplNumericProcessKeyInput( pEdit, rKEvt, false, bUseThousandSep, rWrapper );
+    return ImplNumericProcessKeyInput( rKEvt, false, bUseThousandSep, rWrapper );
 }
 
 inline bool ImplCurrencyGetValue( const OUString& rStr, sal_Int64& rValue,
@@ -1910,7 +1910,7 @@ bool CurrencyField::PreNotify( NotifyEvent& rNEvt )
 {
     if ( (rNEvt.GetType() == MouseNotifyEvent::KEYINPUT) && !rNEvt.GetKeyEvent()->GetKeyCode().IsMod2() )
     {
-        if ( ImplCurrencyProcessKeyInput( GetField(), *rNEvt.GetKeyEvent(), IsStrictFormat(), IsUseThousandSep(), ImplGetLocaleDataWrapper() ) )
+        if ( ImplCurrencyProcessKeyInput( *rNEvt.GetKeyEvent(), IsUseThousandSep(), ImplGetLocaleDataWrapper() ) )
             return true;
     }
 
@@ -1994,7 +1994,7 @@ bool CurrencyBox::PreNotify( NotifyEvent& rNEvt )
 {
     if ( (rNEvt.GetType() == MouseNotifyEvent::KEYINPUT) && !rNEvt.GetKeyEvent()->GetKeyCode().IsMod2() )
     {
-        if ( ImplCurrencyProcessKeyInput( GetField(), *rNEvt.GetKeyEvent(), IsStrictFormat(), IsUseThousandSep(), ImplGetLocaleDataWrapper() ) )
+        if ( ImplCurrencyProcessKeyInput( *rNEvt.GetKeyEvent(), IsUseThousandSep(), ImplGetLocaleDataWrapper() ) )
             return true;
     }
 
diff --git a/vcl/source/control/field2.cxx b/vcl/source/control/field2.cxx
index da5a3aa97601..97afce44d12e 100644
--- a/vcl/source/control/field2.cxx
+++ b/vcl/source/control/field2.cxx
@@ -997,7 +997,7 @@ static OUString ImplGetDateSep( const LocaleDataWrapper& rLocaleDataWrapper, Ext
         return rLocaleDataWrapper.getDateSep();
 }
 
-static bool ImplDateProcessKeyInput( Edit*, const KeyEvent& rKEvt, ExtDateFieldFormat eFormat,
+static bool ImplDateProcessKeyInput( const KeyEvent& rKEvt, ExtDateFieldFormat eFormat,
                                      const LocaleDataWrapper& rLocaleDataWrapper  )
 {
     sal_Unicode cChar = rKEvt.GetCharCode();
@@ -1012,8 +1012,7 @@ static bool ImplDateProcessKeyInput( Edit*, const KeyEvent& rKEvt, ExtDateFieldF
 }
 
 static bool ImplDateGetValue( const OUString& rStr, Date& rDate, ExtDateFieldFormat eDateOrder,
-                              const LocaleDataWrapper& rLocaleDataWrapper, const CalendarWrapper& rCalendarWrapper,
-                              const AllSettings& )
+                              const LocaleDataWrapper& rLocaleDataWrapper, const CalendarWrapper& rCalendarWrapper )
 {
     sal_uInt16 nDay = 0;
     sal_uInt16 nMonth = 0;
@@ -1121,10 +1120,10 @@ static bool ImplDateGetValue( const OUString& rStr, Date& rDate, ExtDateFieldFor
     return false;
 }
 
-bool DateFormatter::ImplDateReformat( const OUString& rStr, OUString& rOutStr, const AllSettings& rSettings )
+bool DateFormatter::ImplDateReformat( const OUString& rStr, OUString& rOutStr )
 {
     Date aDate( Date::EMPTY );
-    if ( !ImplDateGetValue( rStr, aDate, GetExtDateFormat(true), ImplGetLocaleDataWrapper(), GetCalendarWrapper(), GetFieldSettings() ) )
+    if ( !ImplDateGetValue( rStr, aDate, GetExtDateFormat(true), ImplGetLocaleDataWrapper(), GetCalendarWrapper() ) )
         return true;
 
     Date aTempDate = aDate;
@@ -1133,13 +1132,12 @@ bool DateFormatter::ImplDateReformat( const OUString& rStr, OUString& rOutStr, c
     else if ( aTempDate < GetMin() )
         aTempDate = GetMin();
 
-    rOutStr = ImplGetDateAsText( aTempDate, rSettings );
+    rOutStr = ImplGetDateAsText( aTempDate );
 
     return true;
 }
 
-OUString DateFormatter::ImplGetDateAsText( const Date& rDate,
-                                           const AllSettings& ) const
+OUString DateFormatter::ImplGetDateAsText( const Date& rDate ) const
 {
     bool bShowCentury = false;
     switch ( GetExtDateFormat() )
@@ -1582,7 +1580,7 @@ void DateFormatter::ImplSetUserDate( const Date& rNewDate, Selection* pNewSelect
     maLastDate = aNewDate;
 
     if ( GetField() )
-        ImplSetText( ImplGetDateAsText( aNewDate, GetFieldSettings() ), pNewSelection );
+        ImplSetText( ImplGetDateAsText( aNewDate ), pNewSelection );
 }
 
 void DateFormatter::ImplNewFieldValue( const Date& rDate )
@@ -1620,7 +1618,7 @@ Date DateFormatter::GetDate() const
 
     if ( GetField() )
     {
-        if ( ImplDateGetValue( GetField()->GetText(), aDate, GetExtDateFormat(true), ImplGetLocaleDataWrapper(), GetCalendarWrapper(), GetFieldSettings() ) )
+        if ( ImplDateGetValue( GetField()->GetText(), aDate, GetExtDateFormat(true), ImplGetLocaleDataWrapper(), GetCalendarWrapper() ) )
         {
             if ( aDate > maMax )
                 aDate = maMax;
@@ -1665,7 +1663,7 @@ bool DateFormatter::IsEmptyDate() const
         else if ( !maLastDate.GetDate() )
         {
             Date aDate( Date::EMPTY );
-            bEmpty = !ImplDateGetValue( GetField()->GetText(), aDate, GetExtDateFormat(true), ImplGetLocaleDataWrapper(), GetCalendarWrapper(), GetFieldSettings() );
+            bEmpty = !ImplDateGetValue( GetField()->GetText(), aDate, GetExtDateFormat(true), ImplGetLocaleDataWrapper(), GetCalendarWrapper() );
         }
     }
     return bEmpty;
@@ -1680,14 +1678,14 @@ void DateFormatter::Reformat()
         return;
 
     OUString aStr;
-    bool bOK = ImplDateReformat( GetField()->GetText(), aStr, GetFieldSettings() );
+    bool bOK = ImplDateReformat( GetField()->GetText(), aStr );
     if( !bOK )
         return;
 
     if ( !aStr.isEmpty() )
     {
         ImplSetText( aStr );
-        (void)ImplDateGetValue(aStr, maLastDate, GetExtDateFormat(true), ImplGetLocaleDataWrapper(), GetCalendarWrapper(), GetFieldSettings());
+        (void)ImplDateGetValue(aStr, maLastDate, GetExtDateFormat(true), ImplGetLocaleDataWrapper(), GetCalendarWrapper());
     }
     else
     {
@@ -1743,7 +1741,7 @@ bool DateField::PreNotify( NotifyEvent& rNEvt )
          ( GetExtDateFormat() != ExtDateFieldFormat::SystemLong ) &&
          !rNEvt.GetKeyEvent()->GetKeyCode().IsMod2() )
     {
-        if ( ImplDateProcessKeyInput( GetField(), *rNEvt.GetKeyEvent(), GetExtDateFormat( true ), ImplGetLocaleDataWrapper() ) )
+        if ( ImplDateProcessKeyInput( *rNEvt.GetKeyEvent(), GetExtDateFormat( true ), ImplGetLocaleDataWrapper() ) )
             return true;
     }
 
@@ -1769,7 +1767,7 @@ bool DateField::EventNotify( NotifyEvent& rNEvt )
                 else
                 {
                     Date aDate( 0, 0, 0 );
-                    if ( ImplDateGetValue( GetText(), aDate, GetExtDateFormat(true), ImplGetLocaleDataWrapper(), GetCalendarWrapper(), GetFieldSettings() ) )
+                    if ( ImplDateGetValue( GetText(), aDate, GetExtDateFormat(true), ImplGetLocaleDataWrapper(), GetCalendarWrapper() ) )
                         // even with strict text analysis, our text is a valid date -> do a complete
                         // reformat
                         Reformat();
@@ -1848,7 +1846,7 @@ bool DateBox::PreNotify( NotifyEvent& rNEvt )
          ( GetExtDateFormat() != ExtDateFieldFormat::SystemLong ) &&
          !rNEvt.GetKeyEvent()->GetKeyCode().IsMod2() )
     {
-        if ( ImplDateProcessKeyInput( GetField(), *rNEvt.GetKeyEvent(), GetExtDateFormat( true ), ImplGetLocaleDataWrapper() ) )
+        if ( ImplDateProcessKeyInput( *rNEvt.GetKeyEvent(), GetExtDateFormat( true ), ImplGetLocaleDataWrapper() ) )
             return true;
     }
 
@@ -1902,7 +1900,7 @@ void DateBox::ReformatAll()
     const sal_Int32 nEntryCount = GetEntryCount();
     for ( sal_Int32 i=0; i < nEntryCount; ++i )
     {
-        ImplDateReformat( GetEntry( i ), aStr, GetFieldSettings() );
+        ImplDateReformat( GetEntry( i ), aStr );
         RemoveEntryAt(i);
         InsertEntry( aStr, i );
     }
@@ -1910,7 +1908,7 @@ void DateBox::ReformatAll()
     SetUpdateMode( true );
 }
 
-static bool ImplTimeProcessKeyInput( Edit*, const KeyEvent& rKEvt,
+static bool ImplTimeProcessKeyInput( const KeyEvent& rKEvt,
                                      bool bStrictFormat, bool bDuration,
                                      TimeFieldFormat eFormat,
                                      const LocaleDataWrapper& rLocaleDataWrapper  )
@@ -2524,7 +2522,7 @@ bool TimeField::PreNotify( NotifyEvent& rNEvt )
 {
     if ( (rNEvt.GetType() == MouseNotifyEvent::KEYINPUT) && !rNEvt.GetKeyEvent()->GetKeyCode().IsMod2() )
     {
-        if ( ImplTimeProcessKeyInput( GetField(), *rNEvt.GetKeyEvent(), IsStrictFormat(), IsDuration(), GetFormat(), ImplGetLocaleDataWrapper() ) )
+        if ( ImplTimeProcessKeyInput( *rNEvt.GetKeyEvent(), IsStrictFormat(), IsDuration(), GetFormat(), ImplGetLocaleDataWrapper() ) )
             return true;
     }
 
@@ -2641,7 +2639,7 @@ bool TimeBox::PreNotify( NotifyEvent& rNEvt )
 {
     if ( (rNEvt.GetType() == MouseNotifyEvent::KEYINPUT) && !rNEvt.GetKeyEvent()->GetKeyCode().IsMod2() )
     {
-        if ( ImplTimeProcessKeyInput( GetField(), *rNEvt.GetKeyEvent(), IsStrictFormat(), IsDuration(), GetFormat(), ImplGetLocaleDataWrapper() ) )
+        if ( ImplTimeProcessKeyInput( *rNEvt.GetKeyEvent(), IsStrictFormat(), IsDuration(), GetFormat(), ImplGetLocaleDataWrapper() ) )
             return true;
     }
 
diff --git a/vcl/source/control/fixed.cxx b/vcl/source/control/fixed.cxx
index fa95ee3d2404..6722fd345de6 100644
--- a/vcl/source/control/fixed.cxx
+++ b/vcl/source/control/fixed.cxx
@@ -693,8 +693,7 @@ FixedBitmap::FixedBitmap( vcl::Window* pParent, WinBits nStyle ) :
     ImplInit( pParent, nStyle );
 }
 
-void FixedBitmap::ImplDraw( OutputDevice* pDev, DrawFlags /* nDrawFlags */,
-                            const Point& rPos, const Size& rSize )
+void FixedBitmap::ImplDraw( OutputDevice* pDev, const Point& rPos, const Size& rSize )
 {
     Bitmap* pBitmap = &maBitmap;
 
@@ -736,7 +735,7 @@ void FixedBitmap::ApplySettings(vcl::RenderContext& rRenderContext)
 
 void FixedBitmap::Paint(vcl::RenderContext& rRenderContext, const tools::Rectangle&)
 {
-    ImplDraw(&rRenderContext, DrawFlags::NONE, Point(), GetOutputSizePixel());
+    ImplDraw(&rRenderContext, Point(), GetOutputSizePixel());
 }
 
 void FixedBitmap::Draw( OutputDevice* pDev, const Point& rPos, const Size& rSize,
@@ -756,7 +755,7 @@ void FixedBitmap::Draw( OutputDevice* pDev, const Point& rPos, const Size& rSize
         aRect = aDecoView.DrawFrame( aRect, DrawFrameStyle::DoubleIn );
     }
     pDev->IntersectClipRegion( aRect );
-    ImplDraw( pDev, nFlags, aRect.TopLeft(), aRect.GetSize() );
+    ImplDraw( pDev, aRect.TopLeft(), aRect.GetSize() );
 
     pDev->Pop();
 }
diff --git a/vcl/source/control/group.cxx b/vcl/source/control/group.cxx
index dfcf58f75905..e23b836a846d 100644
--- a/vcl/source/control/group.cxx
+++ b/vcl/source/control/group.cxx
@@ -33,7 +33,7 @@ void GroupBox::ImplInit( vcl::Window* pParent, WinBits nStyle )
     nStyle = ImplInitStyle( nStyle );
     Control::ImplInit( pParent, nStyle, nullptr );
     SetMouseTransparent( true );
-    ImplInitSettings( true, true, true );
+    ImplInitSettings( true );
 }
 
 WinBits GroupBox::ImplInitStyle( WinBits nStyle )
@@ -53,10 +53,9 @@ const Color& GroupBox::GetCanonicalTextColor( const StyleSettings& _rStyle ) con
     return _rStyle.GetGroupTextColor();
 }
 
-void GroupBox::ImplInitSettings( bool bFont,
-                                 bool bForeground, bool bBackground )
+void GroupBox::ImplInitSettings( bool bBackground )
 {
-    Control::ImplInitSettings( bFont, bForeground );
+    Control::ImplInitSettings();
 
     if ( bBackground )
     {
@@ -238,17 +237,17 @@ void GroupBox::StateChanged( StateChangedType nType )
     else if ( (nType == StateChangedType::Zoom)  ||
               (nType == StateChangedType::ControlFont) )
     {
-        ImplInitSettings( true, false, false );
+        ImplInitSettings( false );
         Invalidate();
     }
     else if ( nType == StateChangedType::ControlForeground )
     {
-        ImplInitSettings( false, true, false );
+        ImplInitSettings( false );
         Invalidate();
     }
     else if ( nType == StateChangedType::ControlBackground )
     {
-        ImplInitSettings( false, false, true );
+        ImplInitSettings( true );
         Invalidate();
     }
 }
@@ -262,7 +261,7 @@ void GroupBox::DataChanged( const DataChangedEvent& rDCEvt )
          ((rDCEvt.GetType() == DataChangedEventType::SETTINGS) &&
           (rDCEvt.GetFlags() & AllSettingsFlags::STYLE)) )
     {
-        ImplInitSettings( true, true, true );
+        ImplInitSettings( true );
         Invalidate();
     }
 }
diff --git a/vcl/source/control/longcurr.cxx b/vcl/source/control/longcurr.cxx
index f2409df06848..04de31562e3d 100644
--- a/vcl/source/control/longcurr.cxx
+++ b/vcl/source/control/longcurr.cxx
@@ -93,9 +93,9 @@ OUString ImplGetCurr( const LocaleDataWrapper& rLocaleDataWrapper, const BigInt
     return aTemplate.makeStringAndClear();
 }
 
-bool ImplNumericProcessKeyInput( Edit*, const KeyEvent& rKEvt,
-                                        bool bStrictFormat, bool bThousandSep,
-                                        const LocaleDataWrapper& rLocaleDataWrapper )
+bool ImplNumericProcessKeyInput( const KeyEvent& rKEvt,
+                                 bool bStrictFormat, bool bThousandSep,
+                                 const LocaleDataWrapper& rLocaleDataWrapper )
 {
     if ( !bStrictFormat )
         return false;
@@ -240,11 +240,11 @@ bool ImplNumericGetValue( const OUString& rStr, BigInt& rValue,
     return true;
 }
 
-bool ImplLongCurrencyProcessKeyInput( Edit* pEdit, const KeyEvent& rKEvt,
-                                             bool, bool bUseThousandSep, const LocaleDataWrapper& rLocaleDataWrapper )
+bool ImplLongCurrencyProcessKeyInput( const KeyEvent& rKEvt,
+                                      bool bUseThousandSep, const LocaleDataWrapper& rLocaleDataWrapper )
 {
     // There's no StrictFormat that makes sense here, thus allow all chars
-    return ImplNumericProcessKeyInput( pEdit, rKEvt, false, bUseThousandSep, rLocaleDataWrapper  );
+    return ImplNumericProcessKeyInput( rKEvt, false, bUseThousandSep, rLocaleDataWrapper  );
 }
 
 } // namespace
@@ -451,7 +451,7 @@ bool LongCurrencyField::PreNotify( NotifyEvent& rNEvt )
 {
     if( rNEvt.GetType() == MouseNotifyEvent::KEYINPUT )
     {
-        if ( ImplLongCurrencyProcessKeyInput( GetField(), *rNEvt.GetKeyEvent(), IsStrictFormat(), IsUseThousandSep(), GetLocaleDataWrapper() ) )
+        if ( ImplLongCurrencyProcessKeyInput( *rNEvt.GetKeyEvent(), IsUseThousandSep(), GetLocaleDataWrapper() ) )
             return true;
     }
     return SpinField::PreNotify( rNEvt );
@@ -525,7 +525,7 @@ bool LongCurrencyBox::PreNotify( NotifyEvent& rNEvt )
 {
     if( rNEvt.GetType() == MouseNotifyEvent::KEYINPUT )
     {
-        if ( ImplLongCurrencyProcessKeyInput( GetField(), *rNEvt.GetKeyEvent(), IsStrictFormat(), IsUseThousandSep(), GetLocaleDataWrapper() ) )
+        if ( ImplLongCurrencyProcessKeyInput( *rNEvt.GetKeyEvent(), IsUseThousandSep(), GetLocaleDataWrapper() ) )
             return true;
     }
     return ComboBox::PreNotify( rNEvt );
diff --git a/vcl/source/control/tabctrl.cxx b/vcl/source/control/tabctrl.cxx
index d6e75ed387eb..98bd3f8a3f36 100644
--- a/vcl/source/control/tabctrl.cxx
+++ b/vcl/source/control/tabctrl.cxx
@@ -98,7 +98,7 @@ void TabControl::ImplInit( vcl::Window* pParent, WinBits nStyle )
     mpTabCtrlData               = new ImplTabCtrlData;
     mpTabCtrlData->mpListBox    = nullptr;
 
-    ImplInitSettings( true, true, true );
+    ImplInitSettings( true );
 
     if( (nStyle & WB_DROPDOWN) )
     {
@@ -127,10 +127,9 @@ const Color& TabControl::GetCanonicalTextColor( const StyleSettings& _rStyle ) c
     return _rStyle.GetTabTextColor();
 }
 
-void TabControl::ImplInitSettings( bool bFont,
-                                   bool bForeground, bool bBackground )
+void TabControl::ImplInitSettings( bool bBackground )
 {
-    Control::ImplInitSettings( bFont, bForeground );
+    Control::ImplInitSettings();
 
     if ( bBackground )
     {
@@ -764,7 +763,7 @@ void TabControl::ImplShowFocus()
 }
 
 void TabControl::ImplDrawItem(vcl::RenderContext& rRenderContext, ImplTabItem* pItem, const tools::Rectangle& rCurRect,
-                              bool bFirstInGroup, bool bLastInGroup, bool /* bIsCurrentItem */ )
+                              bool bFirstInGroup, bool bLastInGroup )
 {
     if (pItem->maRect.IsEmpty())
         return;
@@ -1209,7 +1208,7 @@ void TabControl::ImplPaint(vcl::RenderContext& rRenderContext, const tools::Rect
                 if (!aClipRgn.IsEmpty())
                 {
                     ImplDrawItem(rRenderContext, pItem, aCurRect, false/*bLayout*/,
-                                    pItem == pFirstTab, pItem == pLastTab);
+                                    pItem == pFirstTab);
                 }
             }
 
@@ -1228,7 +1227,7 @@ void TabControl::ImplPaint(vcl::RenderContext& rRenderContext, const tools::Rect
             if (!aClipRgn.IsEmpty())
             {
                 ImplDrawItem(rRenderContext, pCurItem, aCurRect,
-                             pCurItem == pFirstTab, pCurItem == pLastTab, true);
+                             pCurItem == pFirstTab, pCurItem == pLastTab);
             }
         }
     }
@@ -1491,17 +1490,17 @@ void TabControl::StateChanged( StateChangedType nType )
     else if ( (nType == StateChangedType::Zoom)  ||
               (nType == StateChangedType::ControlFont) )
     {
-        ImplInitSettings( true, false, false );
+        ImplInitSettings( false );
         Invalidate();
     }
     else if ( nType == StateChangedType::ControlForeground )
     {
-        ImplInitSettings( false, true, false );
+        ImplInitSettings( false );
         Invalidate();
     }
     else if ( nType == StateChangedType::ControlBackground )
     {
-        ImplInitSettings( false, false, true );
+        ImplInitSettings( true );
         Invalidate();
     }
 }
@@ -1515,7 +1514,7 @@ void TabControl::DataChanged( const DataChangedEvent& rDCEvt )
          ((rDCEvt.GetType() == DataChangedEventType::SETTINGS) &&
           (rDCEvt.GetFlags() & AllSettingsFlags::STYLE)) )
     {
-        ImplInitSettings( true, true, true );
+        ImplInitSettings( true );
         Invalidate();
     }
 }
@@ -2717,7 +2716,7 @@ void NotebookbarTabControlBase::ImplPaint(vcl::RenderContext& rRenderContext, co
                 if (!aClipRgn.IsEmpty())
                 {
                     ImplDrawItem(rRenderContext, pItem, aCurRect, false/*bLayout*/,
-                                    pItem == pFirstTab, pItem == pLastTab);
+                                    pItem == pFirstTab);
                 }
             }
 
@@ -2736,7 +2735,7 @@ void NotebookbarTabControlBase::ImplPaint(vcl::RenderContext& rRenderContext, co
             if (!aClipRgn.IsEmpty())
             {
                 ImplDrawItem(rRenderContext, pCurItem, aCurRect,
-                             pCurItem == pFirstTab, pCurItem == pLastTab, true);
+                             pCurItem == pFirstTab, pCurItem == pLastTab);
             }
         }
     }
diff --git a/vcl/source/edit/textdat2.hxx b/vcl/source/edit/textdat2.hxx
index 96e0cec88111..d74541e7e75b 100644
--- a/vcl/source/edit/textdat2.hxx
+++ b/vcl/source/edit/textdat2.hxx
@@ -195,7 +195,7 @@ public:
     void                SetValid()                  { mbInvalid = false; mbSimple = true;}
 
     void                MarkInvalid( sal_Int32 nStart, sal_Int32 nDiff );
-    void                MarkSelectionInvalid( sal_Int32 nStart, sal_Int32 nEnd );
+    void                MarkSelectionInvalid( sal_Int32 nStart );
 
     sal_Int32           GetInvalidPosStart() const  { return mnInvalidPosStart; }
     sal_Int32           GetInvalidDiff() const      { return mnInvalidDiff; }
diff --git a/vcl/source/edit/textdata.cxx b/vcl/source/edit/textdata.cxx
index 0ab5d92d7c28..1024c360f1e2 100644
--- a/vcl/source/edit/textdata.cxx
+++ b/vcl/source/edit/textdata.cxx
@@ -195,17 +195,15 @@ void TEParaPortion::MarkInvalid( sal_Int32 nStart, sal_Int32 nDiff )
     mbInvalid = true;
 }
 
-void TEParaPortion::MarkSelectionInvalid( sal_Int32 nStart, sal_Int32 /*nEnd*/ )
+void TEParaPortion::MarkSelectionInvalid( sal_Int32 nStart )
 {
     if ( !mbInvalid )
     {
         mnInvalidPosStart = nStart;
-//      nInvalidPosEnd = nEnd;
     }
     else
     {
         mnInvalidPosStart = std::min( mnInvalidPosStart, nStart );
-//      nInvalidPosEnd = pNode->Len();
     }
 
     maWritingDirectionInfos.clear();
diff --git a/vcl/source/edit/texteng.cxx b/vcl/source/edit/texteng.cxx
index b143b93835f9..cc50317037bc 100644
--- a/vcl/source/edit/texteng.cxx
+++ b/vcl/source/edit/texteng.cxx
@@ -520,7 +520,7 @@ TextPaM TextEngine::ImpConnectParagraphs( sal_uInt32 nLeft, sal_uInt32 nRight )
     TextPaM aPaM = mpDoc->ConnectParagraphs( pLeft, pRight );
     ImpParagraphRemoved( nRight );
 
-    pLeftPortion->MarkSelectionInvalid( aPaM.GetIndex(), pLeft->GetText().getLength() );
+    pLeftPortion->MarkSelectionInvalid( aPaM.GetIndex() );
 
     mpTEParaPortions->Remove( nRight );
     delete pRightPortion;
@@ -565,7 +565,7 @@ TextPaM TextEngine::ImpDeleteText( const TextSelection& rSel )
             ImpRemoveChars( aStartPaM, nChars );
             TEParaPortion* pPortion = mpTEParaPortions->GetObject( nStartNode );
             SAL_WARN_IF( !pPortion, "vcl", "ImpDeleteText(3): bad Index" );
-            pPortion->MarkSelectionInvalid( aStartPaM.GetIndex(), pLeft->GetText().getLength() );
+            pPortion->MarkSelectionInvalid( aStartPaM.GetIndex() );
         }
 
         // the beginning of EndNodes....
@@ -578,7 +578,7 @@ TextPaM TextEngine::ImpDeleteText( const TextSelection& rSel )
             ImpRemoveChars( aEndPaM, nChars );
             TEParaPortion* pPortion = mpTEParaPortions->GetObject( nEndNode );
             SAL_WARN_IF( !pPortion, "vcl", "ImpDeleteText(4): bad Index" );
-            pPortion->MarkSelectionInvalid( 0, pPortion->GetNode()->GetText().getLength() );
+            pPortion->MarkSelectionInvalid( 0 );
         }
 
         // connect....
@@ -1028,7 +1028,7 @@ bool TextEngine::HasAttrib( sal_uInt16 nWhich ) const
     return bAttr;
 }
 
-TextPaM TextEngine::GetPaM( const Point& rDocPos, bool bSmart )
+TextPaM TextEngine::GetPaM( const Point& rDocPos )
 {
     SAL_WARN_IF( !GetUpdateMode(), "vcl", "GetPaM: GetUpdateMode()" );
 
@@ -1045,7 +1045,7 @@ TextPaM TextEngine::GetPaM( const Point& rDocPos, bool bSmart )
             aPosInPara.Y() -= nY;
 
             TextPaM aPaM( nPortion, 0 );
-            aPaM.GetIndex() = ImpFindIndex( nPortion, aPosInPara, bSmart );
+            aPaM.GetIndex() = ImpFindIndex( nPortion, aPosInPara );
             return aPaM;
         }
     }
@@ -1056,7 +1056,7 @@ TextPaM TextEngine::GetPaM( const Point& rDocPos, bool bSmart )
     return TextPaM( nLastNode, pLast->GetText().getLength() );
 }
 
-sal_Int32 TextEngine::ImpFindIndex( sal_uInt32 nPortion, const Point& rPosInPara, bool bSmart )
+sal_Int32 TextEngine::ImpFindIndex( sal_uInt32 nPortion, const Point& rPosInPara )
 {
     SAL_WARN_IF( !IsFormatted(), "vcl", "GetPaM: Not formatted" );
     TEParaPortion* pPortion = mpTEParaPortions->GetObject( nPortion );
@@ -1079,7 +1079,7 @@ sal_Int32 TextEngine::ImpFindIndex( sal_uInt32 nPortion, const Point& rPosInPara
 
     assert(pLine && "ImpFindIndex: pLine ?");
 
-    nCurIndex = GetCharPos( nPortion, nLine, rPosInPara.X(), bSmart );
+    nCurIndex = GetCharPos( nPortion, nLine, rPosInPara.X() );
 
     if ( nCurIndex && ( nCurIndex == pLine->GetEnd() ) &&
          ( pLine != &( pPortion->GetLines().back() ) ) )
@@ -1091,7 +1091,7 @@ sal_Int32 TextEngine::ImpFindIndex( sal_uInt32 nPortion, const Point& rPosInPara
     return nCurIndex;
 }
 
-sal_Int32 TextEngine::GetCharPos( sal_uInt32 nPortion, std::vector<TextLine>::size_type nLine, long nXPos, bool )
+sal_Int32 TextEngine::GetCharPos( sal_uInt32 nPortion, std::vector<TextLine>::size_type nLine, long nXPos )
 {
 
     TEParaPortion* pPortion = mpTEParaPortions->GetObject( nPortion );
@@ -1514,8 +1514,7 @@ void TextEngine::FormatFullDoc()
     for ( sal_uInt32 nPortion = 0; nPortion < mpTEParaPortions->Count(); ++nPortion )
     {
         TEParaPortion* pTEParaPortion = mpTEParaPortions->GetObject( nPortion );
-        const sal_Int32 nLen = pTEParaPortion->GetNode()->GetText().getLength();
-        pTEParaPortion->MarkSelectionInvalid( 0, nLen );
+        pTEParaPortion->MarkSelectionInvalid( 0 );
     }
     mbFormatted = false;
     FormatDoc();
@@ -1641,7 +1640,7 @@ void TextEngine::CreateAndInsertEmptyLine( sal_uInt32 nPara )
     pTEParaPortion->GetLines().push_back( aTmpLine );
 }
 
-void TextEngine::ImpBreakLine( sal_uInt32 nPara, TextLine* pLine, TETextPortion*, sal_Int32 nPortionStart, long nRemainingWidth )
+void TextEngine::ImpBreakLine( sal_uInt32 nPara, TextLine* pLine, sal_Int32 nPortionStart, long nRemainingWidth )
 {
     TextNode* pNode = mpDoc->GetNodes()[ nPara ];
 
@@ -2268,7 +2267,7 @@ bool TextEngine::CreateLines( sal_uInt32 nPara )
         {
             SAL_WARN_IF( (nPortionEnd-nPortionStart) != pPortion->GetLen(), "vcl", "CreateLines: There is a Portion after all?!" );
             const long nRemainingWidth = mnMaxTextWidth - nTmpWidth;
-            ImpBreakLine( nPara, pLine, pPortion, nPortionStart, nRemainingWidth );
+            ImpBreakLine( nPara, pLine, nPortionStart, nRemainingWidth );
         }
 
         if ( ( ImpGetAlign() == TxtAlign::Center ) || ( ImpGetAlign() == TxtAlign::Right ) )
@@ -2549,7 +2548,7 @@ void TextEngine::RemoveAttribs( sal_uInt32 nPara )
             pNode->GetCharAttribs().Clear();
 
             TEParaPortion* pTEParaPortion = mpTEParaPortions->GetObject( nPara );
-            pTEParaPortion->MarkSelectionInvalid( 0, pNode->GetText().getLength() );
+            pTEParaPortion->MarkSelectionInvalid( 0 );
 
             mbFormatted = false;
 
@@ -2572,7 +2571,7 @@ void TextEngine::RemoveAttribs( sal_uInt32 nPara, sal_uInt16 nWhich )
                     rAttribs.RemoveAttrib( nAttr -1 );
             }
             TEParaPortion* pTEParaPortion = mpTEParaPortions->GetObject( nPara );
-            pTEParaPortion->MarkSelectionInvalid( 0, pNode->GetText().getLength() );
+            pTEParaPortion->MarkSelectionInvalid( 0 );
             mbFormatted = false;
             IdleFormatAndUpdate( nullptr, 0xFFFF );
         }
@@ -2596,7 +2595,7 @@ void TextEngine::RemoveAttrib( sal_uInt32 nPara, const TextCharAttrib& rAttrib )
                 }
             }
             TEParaPortion* pTEParaPortion = mpTEParaPortions->GetObject( nPara );
-            pTEParaPortion->MarkSelectionInvalid( 0, pNode->GetText().getLength() );
+            pTEParaPortion->MarkSelectionInvalid( 0 );
             mbFormatted = false;
             FormatAndUpdate();
         }
@@ -2623,7 +2622,7 @@ void TextEngine::SetAttrib( const TextAttrib& rAttr, sal_uInt32 nPara, sal_Int32
             nEnd = nMax;
 
         pNode->GetCharAttribs().InsertAttrib( new TextCharAttrib( rAttr, nStart, nEnd ) );
-        pTEParaPortion->MarkSelectionInvalid( nStart, nEnd );
+        pTEParaPortion->MarkSelectionInvalid( nStart );
 
         mbFormatted = false;
         if ( bIdleFormatAndUpdate )
diff --git a/vcl/source/edit/textview.cxx b/vcl/source/edit/textview.cxx
index cff429cdb828..edcfac1f3a8e 100644
--- a/vcl/source/edit/textview.cxx
+++ b/vcl/source/edit/textview.cxx
@@ -434,20 +434,20 @@ void TextView::ImpSetSelection( const TextSelection& rSelection )
 
 void TextView::ShowSelection()
 {
-    ImpShowHideSelection( true );
+    ImpShowHideSelection();
 }
 
 void TextView::HideSelection()
 {
-    ImpShowHideSelection( false );
+    ImpShowHideSelection();
 }
 
 void TextView::ShowSelection( const TextSelection& rRange )
 {
-    ImpShowHideSelection( true, &rRange );
+    ImpShowHideSelection( &rRange );
 }
 
-void TextView::ImpShowHideSelection(bool /*bShow*/, const TextSelection* pRange)
+void TextView::ImpShowHideSelection(const TextSelection* pRange)
 {
     const TextSelection* pRangeOrSelection = pRange ? pRange : &mpImpl->maSelection;
 
@@ -854,7 +854,7 @@ void TextView::Command( const CommandEvent& rCEvt )
         if( mpImpl->mpTextEngine->mpIMEInfos )
         {
             TEParaPortion* pPortion = mpImpl->mpTextEngine->mpTEParaPortions->GetObject( mpImpl->mpTextEngine->mpIMEInfos->aPos.GetPara() );
-            pPortion->MarkSelectionInvalid( mpImpl->mpTextEngine->mpIMEInfos->aPos.GetIndex(), 0 );
+            pPortion->MarkSelectionInvalid( mpImpl->mpTextEngine->mpIMEInfos->aPos.GetIndex() );
 
             bool bInsertMode = !mpImpl->mpTextEngine->mpIMEInfos->bWasCursorOverwrite;
 
@@ -922,7 +922,7 @@ void TextView::Command( const CommandEvent& rCEvt )
                 }
 
                 TEParaPortion* pPPortion = mpImpl->mpTextEngine->mpTEParaPortions->GetObject( mpImpl->mpTextEngine->mpIMEInfos->aPos.GetPara() );
-                pPPortion->MarkSelectionInvalid( mpImpl->mpTextEngine->mpIMEInfos->aPos.GetIndex(), 0 );
+                pPPortion->MarkSelectionInvalid( mpImpl->mpTextEngine->mpIMEInfos->aPos.GetIndex() );
                 mpImpl->mpTextEngine->FormatAndUpdate( this );
             }
 
@@ -1762,17 +1762,13 @@ bool TextView::SetCursorAtPoint( const Point& rPosPixel )
 
 bool TextView::IsSelectionAtPoint( const Point& rPosPixel )
 {
-//  if ( !Rectangle( Point(), mpImpl->mpWindow->GetOutputSizePixel() ).IsInside( rPosPixel ) && !mbInSelection )
-//      return false;
-
     Point aDocPos = GetDocPos( rPosPixel );
-    TextPaM aPaM = mpImpl->mpTextEngine->GetPaM( aDocPos, false );
+    TextPaM aPaM = mpImpl->mpTextEngine->GetPaM( aDocPos );
     // For Hyperlinks D&D also start w/o a selection.
     // BeginDrag is only called, however, if IsSelectionAtPoint()
     // Problem: IsSelectionAtPoint is not called by Command()
     // if before MBDown returned false.
-    return ( IsInSelection( aPaM ) ||
-            ( /* mpImpl->mpSelEngine->IsInCommand() && */ mpImpl->mpTextEngine->FindAttrib( aPaM, TEXTATTR_HYPERLINK ) ) );
+    return IsInSelection( aPaM ) || mpImpl->mpTextEngine->FindAttrib( aPaM, TEXTATTR_HYPERLINK );
 }
 
 bool TextView::IsInSelection( const TextPaM& rPaM )
diff --git a/vcl/source/edit/vclmedit.cxx b/vcl/source/edit/vclmedit.cxx
index ff0c32dfa60f..72c2a38f72b3 100644
--- a/vcl/source/edit/vclmedit.cxx
+++ b/vcl/source/edit/vclmedit.cxx
@@ -947,7 +947,7 @@ VclMultiLineEdit::VclMultiLineEdit( vcl::Window* pParent, WinBits nWinStyle )
 {
     SetType( WindowType::MULTILINEEDIT );
     pImpVclMEdit = new ImpVclMEdit( this, nWinStyle );
-    ImplInitSettings( true, true, true );
+    ImplInitSettings( true );
     pUpdateDataTimer = nullptr;
 
     SetCompoundControl( true );
@@ -1034,7 +1034,7 @@ void VclMultiLineEdit::ApplySettings(vcl::RenderContext& rRenderContext)
     }
 }
 
-void VclMultiLineEdit::ImplInitSettings(bool /*bFont*/, bool /*bForeground*/, bool bBackground)
+void VclMultiLineEdit::ImplInitSettings(bool bBackground)
 {
     const StyleSettings& rStyleSettings = GetSettings().GetStyleSettings();
 
@@ -1308,7 +1308,7 @@ void VclMultiLineEdit::StateChanged( StateChangedType nType )
     if( nType == StateChangedType::Enable )
     {
         pImpVclMEdit->Enable( IsEnabled() );
-        ImplInitSettings( true, false, false );
+        ImplInitSettings( false );
     }
     else if( nType == StateChangedType::ReadOnly )
     {
@@ -1317,23 +1317,23 @@ void VclMultiLineEdit::StateChanged( StateChangedType nType )
     else if ( nType == StateChangedType::Zoom )
     {
         pImpVclMEdit->GetTextWindow()->SetZoom( GetZoom() );
-        ImplInitSettings( true, false, false );
+        ImplInitSettings( false );
         Resize();
     }
     else if ( nType == StateChangedType::ControlFont )
     {
-        ImplInitSettings( true, false, false );
+        ImplInitSettings( false );
         Resize();
         Invalidate();
     }
     else if ( nType == StateChangedType::ControlForeground )
     {
-        ImplInitSettings( false, true, false );
+        ImplInitSettings( false );
         Invalidate();
     }
     else if ( nType == StateChangedType::ControlBackground )
     {
-        ImplInitSettings( false, false, true );
+        ImplInitSettings( true );
         Invalidate();
     }
     else if ( nType == StateChangedType::Style )
@@ -1361,7 +1361,7 @@ void VclMultiLineEdit::DataChanged( const DataChangedEvent& rDCEvt )
     if ( (rDCEvt.GetType() == DataChangedEventType::SETTINGS) &&
          (rDCEvt.GetFlags() & AllSettingsFlags::STYLE) )
     {
-        ImplInitSettings( true, true, true );
+        ImplInitSettings( true );
         Resize();
         Invalidate();
     }
@@ -1371,7 +1371,7 @@ void VclMultiLineEdit::DataChanged( const DataChangedEvent& rDCEvt )
 
 void VclMultiLineEdit::Draw( OutputDevice* pDev, const Point& rPos, const Size& rSize, DrawFlags nFlags )
 {
-    ImplInitSettings(true, true, true);
+    ImplInitSettings(true);
 
     Point aPos = pDev->LogicToPixel( rPos );
     Size aSize = pDev->LogicToPixel( rSize );
diff --git a/vcl/source/filter/sgfbram.cxx b/vcl/source/filter/sgfbram.cxx
index 5f9f6d551847..10bb23b2f886 100644
--- a/vcl/source/filter/sgfbram.cxx
+++ b/vcl/source/filter/sgfbram.cxx
@@ -185,7 +185,7 @@ sal_uInt8 PcxExpand::GetByte(SvStream& rInp)
     return Data;
 }
 
-bool SgfFilterBMap(SvStream& rInp, SvStream& rOut, SgfHeader& rHead, SgfEntry&)
+bool SgfFilterBMap(SvStream& rInp, SvStream& rOut, SgfHeader& rHead)
 {
     BmpFileHeader  aBmpHead;
     BmpInfoHeader  aBmpInfo;
@@ -350,7 +350,7 @@ bool SgfBMapFilter(SvStream& rInp, SvStream& rOut)
                     case SgfBitImag0:
                     case SgfBitImag1:
                     case SgfBitImag2:
-                    case SgfBitImgMo: bRet=SgfFilterBMap(rInp,rOut,aHead,aEntr); break;
+                    case SgfBitImgMo: bRet=SgfFilterBMap(rInp,rOut,aHead); break;
                 }
             }
         } // while(nNext)
@@ -386,7 +386,7 @@ Color Hpgl2SvFarbe( sal_uInt8 nFarb )
     return aColor;
 }
 
-bool SgfFilterVect(SvStream& rInp, SgfHeader& rHead, SgfEntry&, GDIMetaFile& rMtf)
+bool SgfFilterVect(SvStream& rInp, SgfHeader& rHead, GDIMetaFile& rMtf)
 {
     ScopedVclPtrInstance< VirtualDevice > aOutDev;
     SgfVector aVect;
@@ -468,7 +468,7 @@ bool SgfVectFilter(SvStream& rInp, GDIMetaFile& rMtf)
             ReadSgfEntry( rInp, aEntr );
             nNext=aEntr.GetOffset();
             if (aEntr.Typ==aHead.Typ) {
-                bRet=SgfFilterVect(rInp,aHead,aEntr,rMtf);
+                bRet=SgfFilterVect(rInp,aHead,rMtf);
             }
         } // while(nNext)
     }
diff --git a/vcl/source/filter/sgvmain.cxx b/vcl/source/filter/sgvmain.cxx
index 55ebb2ff9853..c7a8576f2890 100644
--- a/vcl/source/filter/sgvmain.cxx
+++ b/vcl/source/filter/sgvmain.cxx
@@ -859,7 +859,7 @@ void SkipObjkList(SvStream& rInp)
     } while (aObjk.Next!=0L && !rInp.GetError());
 }
 
-bool SgfFilterSDrw( SvStream& rInp, SgfHeader&, SgfEntry&, GDIMetaFile& rMtf )
+bool SgfFilterSDrw( SvStream& rInp, GDIMetaFile& rMtf )
 {
     bool          bRet = false;
     PageType      aPage;
@@ -929,7 +929,7 @@ bool SgfSDrwFilter(SvStream& rInp, GDIMetaFile& rMtf, const INetURLObject& _aIni
             ReadSgfEntry( rInp, aEntr );
             nNext=aEntr.GetOffset();
             if (aEntr.Typ==aHead.Typ) {
-                bRet=SgfFilterSDrw( rInp,aHead,aEntr,rMtf );
+                bRet=SgfFilterSDrw( rInp,rMtf );
             }
         } // while(nNext)
     }
diff --git a/vcl/source/filter/sgvtext.cxx b/vcl/source/filter/sgvtext.cxx
index 678b6a9bd689..0366ae7728f5 100644
--- a/vcl/source/filter/sgvtext.cxx
+++ b/vcl/source/filter/sgvtext.cxx
@@ -652,7 +652,6 @@ UCHAR ProcessChar(OutputDevice& rOut, UCHAR* TBuf, ProcChrSta& R, ObjTextType& A
 void FormatLine(UCHAR* TBuf, sal_uInt16& Index, ObjTextType& Atr0, ObjTextType& AktAtr,
                 sal_uInt16 UmbWdt, sal_uInt16 AdjWdt,
                 short* Line, sal_uInt16& nChars,
-                double, double,
                 UCHAR* cLine, bool TextFit)
 {
     ScopedVclPtrInstance< VirtualDevice > vOut;
@@ -931,7 +930,7 @@ void TextType::Draw(OutputDevice& rOut)
 
     do {
         T2=T1; Index2=Index1;
-        FormatLine(Buf,Index2,T,T2,xSize,xSAdj,xLine.get(),l,sn,cs,cLine.get(),LineFit);
+        FormatLine(Buf,Index2,T,T2,xSize,xSAdj,xLine.get(),l,cLine.get(),LineFit);
         Fehler=(Index2==Index1);
         if (!Fehler) {
             lc=GetLineFeed(Buf,Index1,T,T1,l,LF,MaxGrad);
diff --git a/vcl/source/filter/wmf/wmfwr.cxx b/vcl/source/filter/wmf/wmfwr.cxx
index 7950f105ee20..23c0bb3a429d 100644
--- a/vcl/source/filter/wmf/wmfwr.cxx
+++ b/vcl/source/filter/wmf/wmfwr.cxx
@@ -1627,7 +1627,7 @@ void WMFWriter::WriteRecords( const GDIMetaFile & rMTF )
     }
 }
 
-void WMFWriter::WriteHeader( const GDIMetaFile &, bool bPlaceable )
+void WMFWriter::WriteHeader( bool bPlaceable )
 {
     if( bPlaceable )
     {
@@ -1745,7 +1745,7 @@ bool WMFWriter::WriteWMF( const GDIMetaFile& rMTF, SvStream& rTargetStream,
 
     CountActionsAndBitmaps(rMTF);
 
-    WriteHeader(rMTF,bPlaceable);
+    WriteHeader(bPlaceable);
     if( bEmbedEMF )
         WriteEmbeddedEMF( rMTF );
     WMFRecord_SetWindowOrg(Point(0,0));
diff --git a/vcl/source/filter/wmf/wmfwr.hxx b/vcl/source/filter/wmf/wmfwr.hxx
index 8410275c5466..39474c94cc39 100644
--- a/vcl/source/filter/wmf/wmfwr.hxx
+++ b/vcl/source/filter/wmf/wmfwr.hxx
@@ -184,7 +184,7 @@ private:
     void HandleLineInfoPolyPolygons(const LineInfo& rInfo, const basegfx::B2DPolygon& rLinePolygon);
     void WriteRecords(const GDIMetaFile & rMTF);
 
-    void WriteHeader(const GDIMetaFile & rMTF, bool bPlaceable);
+    void WriteHeader(bool bPlaceable);
     void UpdateHeader();
 
     void WriteEmbeddedEMF( const GDIMetaFile& rMTF );
diff --git a/vcl/source/gdi/embeddedfontshelper.cxx b/vcl/source/gdi/embeddedfontshelper.cxx
index 8bea667b8c1b..1577ca45e0d4 100644
--- a/vcl/source/gdi/embeddedfontshelper.cxx
+++ b/vcl/source/gdi/embeddedfontshelper.cxx
@@ -209,7 +209,7 @@ bool EmbeddedFontsHelper::sufficientTTFRights( const void* data, long size, Font
 }
 
 OUString EmbeddedFontsHelper::fontFileUrl( const OUString& familyName, FontFamily family, FontItalic italic,
-    FontWeight weight, FontPitch pitch, rtl_TextEncoding, FontRights rights )
+    FontWeight weight, FontPitch pitch, FontRights rights )
 {
     OUString path = "${$BRAND_BASE_DIR/" LIBO_ETC_FOLDER "/" SAL_CONFIGFILE( "bootstrap") "::UserInstallation}";
     rtl::Bootstrap::expandMacros( path );
diff --git a/vcl/source/gdi/pdfextoutdevdata.cxx b/vcl/source/gdi/pdfextoutdevdata.cxx
index f97f4002c871..ccc242061fa4 100644
--- a/vcl/source/gdi/pdfextoutdevdata.cxx
+++ b/vcl/source/gdi/pdfextoutdevdata.cxx
@@ -404,15 +404,13 @@ bool PageSyncData::PlaySyncPageAct( PDFWriter& rWriter, sal_uInt32& rCurGDIMtfAc
                             GfxLinkType eType = rGraphic.GetLink().GetType();
                             if ( eType == GfxLinkType::NativeJpg && mParaRects.size() >= 2 )
                             {
-                                mbGroupIgnoreGDIMtfActions =
-                                rOutDevData.HasAdequateCompression(
-                                        rGraphic, mParaRects[0], mParaRects[1]);
+                                mbGroupIgnoreGDIMtfActions = rOutDevData.HasAdequateCompression(rGraphic);
                                 if ( !mbGroupIgnoreGDIMtfActions )
                                     mCurrentGraphic = rGraphic;
                             }
                             else if ((eType == GfxLinkType::NativePng || eType == GfxLinkType::NativePdf) && mParaRects.size() >= 2)
                             {
-                                if ( rOutDevData.HasAdequateCompression(rGraphic, mParaRects[0], mParaRects[1]) || eType == GfxLinkType::NativePdf )
+                                if ( rOutDevData.HasAdequateCompression(rGraphic) || eType == GfxLinkType::NativePdf )
                                     mCurrentGraphic = rGraphic;
                             }
                         }
@@ -809,9 +807,7 @@ void PDFExtOutDevData::EndGroup( const Graphic&     rGraphic,
 }
 
 // Avoids expensive de-compression and re-compression of large images.
-bool PDFExtOutDevData::HasAdequateCompression( const Graphic &rGraphic,
-                                               const tools::Rectangle & /* rOutputRect */,
-                                               const tools::Rectangle & /* rVisibleOutputRect */ ) const
+bool PDFExtOutDevData::HasAdequateCompression( const Graphic &rGraphic ) const
 {
     bool bReduceResolution = false;
 
diff --git a/vcl/source/gdi/pdfwriter_impl.cxx b/vcl/source/gdi/pdfwriter_impl.cxx
index 491c6adb4c51..bf250518495c 100644
--- a/vcl/source/gdi/pdfwriter_impl.cxx
+++ b/vcl/source/gdi/pdfwriter_impl.cxx
@@ -8847,8 +8847,7 @@ void PDFWriterImpl::drawLayout( SalLayout& rLayout, const OUString& rText, bool
                                                  nEmphYOff,
                                                  nEmphWidth,
                                                  nEmphMark,
-                                                 m_pReferenceDevice->ImplDevicePixelToLogicWidth(nEmphHeight),
-                                                 m_pReferenceDevice->mpFontInstance->mnOrientation );
+                                                 m_pReferenceDevice->ImplDevicePixelToLogicWidth(nEmphHeight) );
         if ( bEmphPolyLine )
         {
             setLineColor( m_aCurrentPDFState.m_aFont.GetColor() );
diff --git a/vcl/source/gdi/salgdilayout.cxx b/vcl/source/gdi/salgdilayout.cxx
index 7a30d990ebbd..47825fa5620e 100644
--- a/vcl/source/gdi/salgdilayout.cxx
+++ b/vcl/source/gdi/salgdilayout.cxx
@@ -523,7 +523,7 @@ bool SalGraphics::DrawPolyLine( const basegfx::B2DPolygon& i_rPolygon,
     return bRet;
 }
 
-bool SalGraphics::DrawGradient( const tools::PolyPolygon& rPolyPoly, const Gradient& rGradient, OutputDevice* )
+bool SalGraphics::DrawGradient( const tools::PolyPolygon& rPolyPoly, const Gradient& rGradient )
 {
     return drawGradient( rPolyPoly, rGradient );
 }
diff --git a/vcl/source/outdev/font.cxx b/vcl/source/outdev/font.cxx
index 554bec061e50..93e80855901c 100644
--- a/vcl/source/outdev/font.cxx
+++ b/vcl/source/outdev/font.cxx
@@ -290,7 +290,7 @@ void OutputDevice::ImplGetEmphasisMark( tools::PolyPolygon& rPolyPoly, bool& rPo
                                         tools::Rectangle& rRect1, tools::Rectangle& rRect2,
                                         long& rYOff, long& rWidth,
                                         FontEmphasisMark eEmphasis,
-                                        long nHeight, short /*nOrient*/ )
+                                        long nHeight )
 {
     static const PolyFlags aAccentPolyFlags[24] =
     {
@@ -1261,7 +1261,7 @@ void OutputDevice::ImplDrawEmphasisMarks( SalLayout& rSalLayout )
                          aRect1, aRect2,
                          nEmphasisYOff, nEmphasisWidth,
                          nEmphasisMark,
-                         nEmphasisHeight, mpFontInstance->mnOrientation );
+                         nEmphasisHeight );
 
     if ( bPolyLine )
     {
diff --git a/vcl/source/outdev/gradient.cxx b/vcl/source/outdev/gradient.cxx
index 24e7e098f2e7..c522a8b0a086 100644
--- a/vcl/source/outdev/gradient.cxx
+++ b/vcl/source/outdev/gradient.cxx
@@ -109,7 +109,7 @@ void OutputDevice::DrawGradient( const tools::PolyPolygon& rPolyPoly,
                     InitClipRegion();
 
                 // try to draw gradient natively
-                bDrawn = mpGraphics->DrawGradient( aClixPolyPoly, aGradient, this );
+                bDrawn = mpGraphics->DrawGradient( aClixPolyPoly, aGradient );
 
                 if( !bDrawn && !mbOutputClipped )
                 {
diff --git a/vcl/source/window/brdwin.cxx b/vcl/source/window/brdwin.cxx
index bd466a7004a8..ea117be234ac 100644
--- a/vcl/source/window/brdwin.cxx
+++ b/vcl/source/window/brdwin.cxx
@@ -366,7 +366,7 @@ long ImplBorderWindowView::ImplCalcTitleWidth( const ImplBorderFrameData* pData
 }
 
 
-ImplNoBorderWindowView::ImplNoBorderWindowView( ImplBorderWindow* )
+ImplNoBorderWindowView::ImplNoBorderWindowView()
 {
 }
 
@@ -1698,7 +1698,7 @@ void ImplBorderWindow::Paint( vcl::RenderContext& rRenderContext, const tools::R
         mpBorderView->DrawWindow(rRenderContext);
 }
 
-void ImplBorderWindow::Draw( const tools::Rectangle&, OutputDevice* pOutDev, const Point& rPos )
+void ImplBorderWindow::Draw( OutputDevice* pOutDev, const Point& rPos )
 {
     if (mpBorderView)
         mpBorderView->DrawWindow(*pOutDev, &rPos);
@@ -1841,7 +1841,7 @@ void ImplBorderWindow::InitView()
         if( mbFrameBorder )
             mpBorderView = new ImplStdBorderWindowView( this );
         else
-            mpBorderView = new ImplNoBorderWindowView( this );
+            mpBorderView = new ImplNoBorderWindowView;
     }
     else if ( !mbFrameBorder )
         mpBorderView = new ImplSmallBorderWindowView( this );
diff --git a/vcl/source/window/dialog.cxx b/vcl/source/window/dialog.cxx
index 879526dcaa7f..a9bf23ff1dd6 100644
--- a/vcl/source/window/dialog.cxx
+++ b/vcl/source/window/dialog.cxx
@@ -1158,7 +1158,7 @@ void Dialog::Draw( OutputDevice* pDev, const Point& rPos, const Size& rSize, Dra
         aImplWin->SetDisplayActive( true );
         aImplWin->InitView();
 
-        aImplWin->Draw( tools::Rectangle( aPos, aSize ), pDev, aPos );
+        aImplWin->Draw( pDev, aPos );
     }
 
     pDev->Pop();
diff --git a/vcl/source/window/menu.cxx b/vcl/source/window/menu.cxx
index 02606828baa8..538ff1422366 100644
--- a/vcl/source/window/menu.cxx
+++ b/vcl/source/window/menu.cxx
@@ -2627,7 +2627,7 @@ tools::Rectangle MenuBar::GetMenuBarButtonRectPixel( sal_uInt16 nId )
     return pMenuWin ? pMenuWin->GetMenuBarButtonRectPixel(nId) : tools::Rectangle();
 }
 
-bool MenuBar::HandleMenuButtonEvent( Menu *, sal_uInt16 i_nButtonId )
+bool MenuBar::HandleMenuButtonEvent( sal_uInt16 i_nButtonId )
 {
     MenuBarWindow* pMenuWin = getMenuBarWindow();
     return pMenuWin && pMenuWin->HandleMenuButtonEvent(i_nButtonId);
diff --git a/vcl/source/window/printdlg.cxx b/vcl/source/window/printdlg.cxx
index dac298bc7c9d..0e70173de74c 100644
--- a/vcl/source/window/printdlg.cxx
+++ b/vcl/source/window/printdlg.cxx
@@ -1300,7 +1300,7 @@ void PrintDialog::updatePrinterText()
     }
 }
 
-void PrintDialog::setPreviewText( sal_Int32 )
+void PrintDialog::setPreviewText()
 {
     OUString aNewText( searchAndReplace( maPageStr, "%n", 2, OUString::number( mnCachedPages )  ) );
     mpNumPagesText->SetText( aNewText );
@@ -1317,7 +1317,7 @@ void PrintDialog::preparePreview( bool i_bNewPage, bool i_bMayUseCache )
     if( mnCurPage < 0 )
         mnCurPage = 0;
 
-    setPreviewText( mnCurPage );
+    setPreviewText();
 
     mpPageEdit->SetMin( 1 );
     mpPageEdit->SetMax( nPages );
diff --git a/vcl/source/window/splitwin.cxx b/vcl/source/window/splitwin.cxx
index 867a81529ec4..9d1c1a7af795 100644
--- a/vcl/source/window/splitwin.cxx
+++ b/vcl/source/window/splitwin.cxx
@@ -806,7 +806,7 @@ static void ImplCalcSet( ImplSplitSet* pSet,
 }
 
 void SplitWindow::ImplCalcSet2( SplitWindow* pWindow, ImplSplitSet* pSet, bool bHide,
-                                bool bRows, bool /*bDown*/ )
+                                bool bRows )
 {
     size_t              nItems = pSet->mpItems.size();
     std::vector< ImplSplitItem* >&     rItems = pSet->mpItems;
@@ -1107,7 +1107,7 @@ static void ImplDrawSplit(vcl::RenderContext& rRenderContext, ImplSplitSet* pSet
 
 sal_uInt16 SplitWindow::ImplTestSplit( ImplSplitSet* pSet, const Point& rPos,
                                    long& rMouseOff, ImplSplitSet** ppFoundSet, sal_uInt16& rFoundPos,
-                                   bool bRows, bool /*bDown*/ )
+                                   bool bRows )
 {
     if ( pSet->mpItems.empty() )
         return 0;
@@ -1241,7 +1241,7 @@ sal_uInt16 SplitWindow::ImplTestSplit( SplitWindow* pWindow, const Point& rPos,
     }
 
     return ImplTestSplit( pWindow->mpMainSet, rPos, rMouseOff, ppFoundSet, rFoundPos,
-                         pWindow->mbHorz, !pWindow->mbBottomRight );
+                         pWindow->mbHorz );
 }
 
 void SplitWindow::ImplDrawSplitTracking(const Point& rPos)
@@ -1567,7 +1567,7 @@ void SplitWindow::ImplCalcLayout()
 
     // calculate sets recursive
     ImplCalcSet( mpMainSet, nL, nT, nW, nH, mbHorz, !mbBottomRight );
-    ImplCalcSet2( this, mpMainSet, false, mbHorz, !mbBottomRight );
+    ImplCalcSet2( this, mpMainSet, false, mbHorz );
     mbCalc = false;
 }
 
@@ -1686,7 +1686,7 @@ void SplitWindow::ImplGetFadeInRect( tools::Rectangle& rRect, bool bTest ) const
     rRect = aRect;
 }
 
-void SplitWindow::ImplGetFadeOutRect( tools::Rectangle& rRect, bool ) const
+void SplitWindow::ImplGetFadeOutRect( tools::Rectangle& rRect ) const
 {
     tools::Rectangle aRect;
 
@@ -2050,7 +2050,7 @@ void SplitWindow::MouseButtonDown( const MouseEvent& rMEvt )
 
     mbFadeNoButtonMode = false;
 
-    ImplGetFadeOutRect( aTestRect, true );
+    ImplGetFadeOutRect( aTestRect );
     if ( aTestRect.IsInside( aMousePosPixel ) )
     {
         mbFadeOutDown = true;
@@ -2159,7 +2159,7 @@ void SplitWindow::Tracking( const TrackingEvent& rTEvt )
         else
         {
             tools::Rectangle aTestRect;
-            ImplGetFadeOutRect( aTestRect, true );
+            ImplGetFadeOutRect( aTestRect );
             bool bNewPressed = aTestRect.IsInside( aMousePosPixel );
             if ( !bNewPressed )
             {
@@ -2335,7 +2335,7 @@ void SplitWindow::RequestHelp( const HelpEvent& rHEvt )
             nHelpResId = SV_HELPTEXT_FADEIN;
         else
         {
-            ImplGetFadeOutRect( aHelpRect, true );
+            ImplGetFadeOutRect( aHelpRect );
             if ( aHelpRect.IsInside( aMousePosPixel ) )
                 nHelpResId = SV_HELPTEXT_FADEOUT;
         }
diff --git a/vcl/source/window/syschild.cxx b/vcl/source/window/syschild.cxx
index 9c24cf3c3358..9a975910eaa8 100644
--- a/vcl/source/window/syschild.cxx
+++ b/vcl/source/window/syschild.cxx
@@ -47,8 +47,7 @@
 
 using namespace ::com::sun::star;
 
-long ImplSysChildProc( void* pInst, SalObject* /* pObject */,
-                       SalObjEvent nEvent, const void* /* pEvent */ )
+long ImplSysChildProc( void* pInst, SalObjEvent nEvent )
 {
     VclPtr<SystemChildWindow> pWindow = static_cast<SystemChildWindow*>(pInst);
     long nRet = 0;
diff --git a/vcl/source/window/toolbox.cxx b/vcl/source/window/toolbox.cxx
index ae8382beeab4..e6374e65f93b 100644
--- a/vcl/source/window/toolbox.cxx
+++ b/vcl/source/window/toolbox.cxx
@@ -304,7 +304,7 @@ void ToolBox::ImplDrawGrip(vcl::RenderContext& rRenderContext)
     }
 }
 
-void ToolBox::ImplDrawGradientBackground(vcl::RenderContext& rRenderContext, ImplDockingWindowWrapper*)
+void ToolBox::ImplDrawGradientBackground(vcl::RenderContext& rRenderContext)
 {
     // draw a nice gradient
 
@@ -429,7 +429,7 @@ void ToolBox::ImplDrawGradientBackground(vcl::RenderContext& rRenderContext, Imp
 
 }
 
-bool ToolBox::ImplDrawNativeBackground(vcl::RenderContext& rRenderContext, const vcl::Region& /*rRegion*/)
+bool ToolBox::ImplDrawNativeBackground(vcl::RenderContext& rRenderContext)
 {
     // use NWF
     Point aPt;
@@ -440,7 +440,7 @@ bool ToolBox::ImplDrawNativeBackground(vcl::RenderContext& rRenderContext, const
                                     aCtrlRegion, nState, ImplControlValue(), OUString() );
 }
 
-void ToolBox::ImplDrawTransparentBackground(vcl::RenderContext& /*rRenderContext*/, const vcl::Region &rRegion)
+void ToolBox::ImplDrawTransparentBackground(const vcl::Region &rRegion)
 {
     // just invalidate to trigger paint of the parent
     const bool bOldPaintLock = mpData->mbIsPaintLocked;
@@ -490,9 +490,9 @@ void ToolBox::ImplDrawBackground(vcl::RenderContext& rRenderContext, const tools
     {
         // no gradient for ordinary toolbars (not dockable)
         if( !IsBackground() && !IsInPaint() )
-            ImplDrawTransparentBackground(rRenderContext, aPaintRegion);
+            ImplDrawTransparentBackground(aPaintRegion);
         else
-            ImplDrawConstantBackground(rRenderContext,  aPaintRegion, bIsInPopupMode);
+            ImplDrawConstantBackground(rRenderContext, aPaintRegion, bIsInPopupMode);
     }
     else
     {
@@ -501,7 +501,7 @@ void ToolBox::ImplDrawBackground(vcl::RenderContext& rRenderContext, const tools
         // so NWF is used here for floating toolbars only
         bool bNativeOk = false;
         if( ImplIsFloatingMode() && rRenderContext.IsNativeControlSupported( ControlType::Toolbar, ControlPart::Entire) )
-            bNativeOk = ImplDrawNativeBackground(rRenderContext, aPaintRegion);
+            bNativeOk = ImplDrawNativeBackground(rRenderContext);
         if (!bNativeOk)
         {
             const StyleSettings rSetting = Application::GetSettings().GetStyleSettings();
@@ -510,10 +510,10 @@ void ToolBox::ImplDrawBackground(vcl::RenderContext& rRenderContext, const tools
             if (!IsBackground() || isHeader || isFooter)
             {
                 if (!IsInPaint())
-                    ImplDrawTransparentBackground(rRenderContext, aPaintRegion);
+                    ImplDrawTransparentBackground(aPaintRegion);
             }
             else
-                ImplDrawGradientBackground(rRenderContext, pWrapper);
+                ImplDrawGradientBackground(rRenderContext);
         }
     }
 
diff --git a/vcl/source/window/winproc.cxx b/vcl/source/window/winproc.cxx
index 17ada9bc8752..2b7f3be487f6 100644
--- a/vcl/source/window/winproc.cxx
+++ b/vcl/source/window/winproc.cxx
@@ -1212,7 +1212,7 @@ static bool ImplHandleExtTextInput( vcl::Window* pWindow,
     return !ImplCallCommand( pChild, CommandEventId::ExtTextInput, &aData );
 }
 
-static bool ImplHandleEndExtTextInput( vcl::Window* /* pWindow */ )
+static bool ImplHandleEndExtTextInput()
 {
     ImplSVData* pSVData = ImplGetSVData();
     vcl::Window*     pChild = pSVData->maWinData.mpExtTextInputWin;
@@ -2056,7 +2056,7 @@ static bool ImplHandleMenuEvent( vcl::Window* pWindow, SalMenuEvent* pEvent, Sal
                     bRet = pMenuBar->HandleMenuHighlightEvent( static_cast<Menu*>(pEvent->mpMenu), pEvent->mnId );
                     break;
                 case SalEvent::MenuButtonCommand:
-                    bRet = pMenuBar->HandleMenuButtonEvent( static_cast<Menu*>(pEvent->mpMenu), pEvent->mnId );
+                    bRet = pMenuBar->HandleMenuButtonEvent( pEvent->mnId );
                     break;
                 case SalEvent::MenuCommand:
                     bRet = pMenuBar->HandleMenuCommandEvent( static_cast<Menu*>(pEvent->mpMenu), pEvent->mnId );
@@ -2513,7 +2513,7 @@ bool ImplWindowFrameProc( vcl::Window* _pWindow, SalEvent nEvent, const void* pE
             }
             break;
         case SalEvent::EndExtTextInput:
-            bRet = ImplHandleEndExtTextInput( pWindow );
+            bRet = ImplHandleEndExtTextInput();
             break;
         case SalEvent::ExtTextInputPos:
             ImplHandleSalExtTextInputPos( pWindow, const_cast<SalExtTextInputPosEvent *>(static_cast<SalExtTextInputPosEvent const *>(pEvent)) );
diff --git a/vcl/unx/generic/window/salobj.cxx b/vcl/unx/generic/window/salobj.cxx
index 80c0726214c9..ab6460c53334 100644
--- a/vcl/unx/generic/window/salobj.cxx
+++ b/vcl/unx/generic/window/salobj.cxx
@@ -457,13 +457,13 @@ bool X11SalObject::Dispatch( XEvent* pEvent )
                     pObject->mbVisible = true;
                     return true;
                     case ButtonPress:
-                    pObject->CallCallback( SalObjEvent::ToTop, nullptr );
+                    pObject->CallCallback( SalObjEvent::ToTop );
                     return true;
                     case FocusIn:
-                    pObject->CallCallback( SalObjEvent::GetFocus, nullptr );
+                    pObject->CallCallback( SalObjEvent::GetFocus );
                     return true;
                     case FocusOut:
-                    pObject->CallCallback( SalObjEvent::LoseFocus, nullptr );
+                    pObject->CallCallback( SalObjEvent::LoseFocus );
                     return true;
                     default: break;
                 }
diff --git a/vcl/unx/gtk/gtkobject.cxx b/vcl/unx/gtk/gtkobject.cxx
index 0717ffe8b8c2..f7c14d08bb9f 100644
--- a/vcl/unx/gtk/gtkobject.cxx
+++ b/vcl/unx/gtk/gtkobject.cxx
@@ -159,7 +159,7 @@ gboolean GtkSalObject::signalButton( GtkWidget*, GdkEventButton* pEvent, gpointe
 
     if( pEvent->type == GDK_BUTTON_PRESS )
     {
-        pThis->CallCallback( SalObjEvent::ToTop, nullptr );
+        pThis->CallCallback( SalObjEvent::ToTop );
     }
 
     return FALSE;
@@ -169,7 +169,7 @@ gboolean GtkSalObject::signalFocus( GtkWidget*, GdkEventFocus* pEvent, gpointer
 {
     GtkSalObject* pThis = static_cast<GtkSalObject*>(object);
 
-    pThis->CallCallback( pEvent->in ? SalObjEvent::GetFocus : SalObjEvent::LoseFocus, nullptr );
+    pThis->CallCallback( pEvent->in ? SalObjEvent::GetFocus : SalObjEvent::LoseFocus );
 
     return FALSE;
 }
diff --git a/vcl/unx/gtk3/gtk3gtkobject.cxx b/vcl/unx/gtk3/gtk3gtkobject.cxx
index 4a8d0fdc28f3..a03ec854f05c 100644
--- a/vcl/unx/gtk3/gtk3gtkobject.cxx
+++ b/vcl/unx/gtk3/gtk3gtkobject.cxx
@@ -163,7 +163,7 @@ gboolean GtkSalObject::signalButton( GtkWidget*, GdkEventButton* pEvent, gpointe
 
     if( pEvent->type == GDK_BUTTON_PRESS )
     {
-        pThis->CallCallback( SalObjEvent::ToTop, nullptr );
+        pThis->CallCallback( SalObjEvent::ToTop );
     }
 
     return FALSE;
@@ -173,7 +173,7 @@ gboolean GtkSalObject::signalFocus( GtkWidget*, GdkEventFocus* pEvent, gpointer
 {
     GtkSalObject* pThis = static_cast<GtkSalObject*>(object);
 
-    pThis->CallCallback( pEvent->in ? SalObjEvent::GetFocus : SalObjEvent::LoseFocus, nullptr );
+    pThis->CallCallback( pEvent->in ? SalObjEvent::GetFocus : SalObjEvent::LoseFocus );
 
     return FALSE;
 }
diff --git a/vcl/win/window/salobj.cxx b/vcl/win/window/salobj.cxx
index e7511d5eaf53..8ec1cd42770f 100644
--- a/vcl/win/window/salobj.cxx
+++ b/vcl/win/window/salobj.cxx
@@ -108,7 +108,7 @@ LRESULT CALLBACK SalSysMsgProc( int nCode, WPARAM wParam, LPARAM lParam )
                 pObject->mhLastFocusWnd = pData->hwnd;
                 if ( ImplSalYieldMutexTryToAcquire() )
                 {
-                    pObject->CallCallback( SalObjEvent::GetFocus, nullptr );
+                    pObject->CallCallback( SalObjEvent::GetFocus );
                     ImplSalYieldMutexRelease();
                 }
                 else
@@ -128,7 +128,7 @@ LRESULT CALLBACK SalSysMsgProc( int nCode, WPARAM wParam, LPARAM lParam )
                 {
                     if ( ImplSalYieldMutexTryToAcquire() )
                     {
-                        pObject->CallCallback( SalObjEvent::LoseFocus, nullptr );
+                        pObject->CallCallback( SalObjEvent::LoseFocus );
                         ImplSalYieldMutexRelease();
                     }
                     else
@@ -286,7 +286,7 @@ LRESULT CALLBACK SalSysObjWndProc( HWND hWnd, UINT nMsg, WPARAM wParam, LPARAM l
                 ImplSalYieldMutexAcquireWithWait();
                 pSysObj = GetSalObjWindowPtr( hWnd );
                 if ( pSysObj && !pSysObj->IsMouseTransparent() )
-                    pSysObj->CallCallback( SalObjEvent::ToTop, nullptr );
+                    pSysObj->CallCallback( SalObjEvent::ToTop );
                 ImplSalYieldMutexRelease();
             }
             }
@@ -309,7 +309,7 @@ LRESULT CALLBACK SalSysObjWndProc( HWND hWnd, UINT nMsg, WPARAM wParam, LPARAM l
             if ( ImplSalYieldMutexTryToAcquire() )
             {
                 pSysObj = GetSalObjWindowPtr( hWnd );
-                pSysObj->CallCallback( SalObjEvent::ToTop, nullptr );
+                pSysObj->CallCallback( SalObjEvent::ToTop );
                 ImplSalYieldMutexRelease();
                 rDef = FALSE;
             }
@@ -330,7 +330,7 @@ LRESULT CALLBACK SalSysObjWndProc( HWND hWnd, UINT nMsg, WPARAM wParam, LPARAM l
                     nEvent = SalObjEvent::GetFocus;
                 else
                     nEvent = SalObjEvent::LoseFocus;
-                pSysObj->CallCallback( nEvent, nullptr );
+                pSysObj->CallCallback( nEvent );
                 ImplSalYieldMutexRelease();
             }
             else