const_cast: convert some C-style casts and remove some redundant ones

Change-Id: Iee4396c5ac715e1b211c5fa6e1cb66b1e95e3f60

starmath/inc/dialog.hxx

@@ -445,7 +445,7 @@ class SmSymDefineDialog : public ModalDialog
     SmSym       * GetSymbol(const ComboBox &rComboBox);
     const SmSym * GetSymbol(const ComboBox &rComboBox) const
     {
-        return ((SmSymDefineDialog *) this)->GetSymbol(rComboBox);
+        return const_cast<SmSymDefineDialog *>(this)->GetSymbol(rComboBox);
     }
 
     void            InitColor_Impl();

starmath/inc/format.hxx

@@ -149,7 +149,7 @@ public:
 
     void RequestApplyChanges() const
     {
-        ((SmFormat *) this)->Broadcast(SfxSimpleHint(HINT_FORMATCHANGED));
+        const_cast<SmFormat *>(this)->Broadcast(SfxSimpleHint(HINT_FORMATCHANGED));
     }
 
 };

starmath/inc/node.hxx

@@ -1029,7 +1029,7 @@ public:
     /** Get body (Not NULL) */
     const SmNode * GetBody() const
     {
-        return ((SmSubSupNode *) this)->GetBody();
+        return const_cast<SmSubSupNode *>(this)->GetBody();
     }
 
     void  SetUseLimits(bool bVal) { bUseLimits = bVal; }
@@ -1183,7 +1183,7 @@ public:
     SmNode *       GetSymbol();
     const SmNode * GetSymbol() const
     {
-        return ((SmOperNode *) this)->GetSymbol();
+        return const_cast<SmOperNode *>(this)->GetSymbol();
     }
 
     long CalcSymbolHeight(const SmNode &rSymbol, const SmFormat &rFormat) const;

starmath/inc/symbol.hxx

@@ -144,7 +144,7 @@ public:
     SmSym       *   GetSymbolByName(const OUString& rSymbolName);
     const SmSym *   GetSymbolByName(const OUString& rSymbolName) const
     {
-        return ((SmSymbolManager *) this)->GetSymbolByName(rSymbolName);
+        return const_cast<SmSymbolManager *>(this)->GetSymbolByName(rSymbolName);
     }
 
     bool        IsModified() const          { return m_bModified; }

starmath/source/rect.cxx

@@ -608,7 +608,7 @@ bool SmGetGlyphBoundRect(const OutputDevice &rDev,
     // get a device where 'OutputDevice::GetTextBoundRect' will be successful
     OutputDevice *pGlyphDev;
     if (rDev.GetOutDevType() != OUTDEV_PRINTER)
-        pGlyphDev = (OutputDevice *) &rDev;
+        pGlyphDev = const_cast<OutputDevice *>(&rDev);
     else
     {
         // since we format for the printer (where GetTextBoundRect will fail)

starmath/source/smmod.cxx

@@ -188,13 +188,13 @@ SmModule::~SmModule()
 
 void SmModule::_CreateSysLocale() const
 {
-    SmModule* pThis = (SmModule*)this;
+    SmModule* pThis = const_cast<SmModule*>(this);
     pThis->pSysLocale = new SvtSysLocale;
 }
 
 void SmModule::_CreateVirtualDev() const
 {
-    SmModule* pThis = (SmModule*)this;
+    SmModule* pThis = const_cast<SmModule*>(this);
     pThis->pVirtualDev = new VirtualDevice;
     pThis->pVirtualDev->SetReferenceDevice( VirtualDevice::REFDEV_MODE_MSO1 );
 }
@@ -249,7 +249,7 @@ SmSymbolManager & SmModule::GetSymbolManager()
 SmLocalizedSymbolData & SmModule::GetLocSymbolData() const
 {
     if (!pLocSymbolData)
-        ((SmModule *) this)->pLocSymbolData = new SmLocalizedSymbolData;
+        const_cast<SmModule *>(this)->pLocSymbolData = new SmLocalizedSymbolData;
     return *pLocSymbolData;
 }