loplugin:constparams in vcl

Change-Id: Icf1a952fbe190fd6c4efd89364136aa2b48050e3
Reviewed-on: https://gerrit.libreoffice.org/66767
Tested-by: Jenkins
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>

27 files changed, 42 insertions, 42 deletions

diff --git a/vcl/headless/svpgdi.cxx b/vcl/headless/svpgdi.cxx
index ace3e53ed3ef..5f389b8468f2 100644
--- a/vcl/headless/svpgdi.cxx
+++ b/vcl/headless/svpgdi.cxx
@@ -1628,7 +1628,7 @@ void SvpSalGraphics::drawBitmap(const SalTwoRect& rTR, const SalBitmap& rSourceB
     copySource(rTR, source);
 }
 
-void SvpSalGraphics::drawBitmap(const SalTwoRect& rTR, BitmapBuffer* pBuffer, cairo_operator_t eOp)
+void SvpSalGraphics::drawBitmap(const SalTwoRect& rTR, const BitmapBuffer* pBuffer, cairo_operator_t eOp)
 {
     cairo_surface_t* source = createCairoSurface( pBuffer );
     copyWithOperator(rTR, source, eOp);
diff --git a/vcl/headless/svpinst.cxx b/vcl/headless/svpinst.cxx
index 6562f26d5dbc..c88238665758 100644
--- a/vcl/headless/svpinst.cxx
+++ b/vcl/headless/svpinst.cxx
@@ -253,7 +253,7 @@ std::unique_ptr<SalVirtualDevice> SvpSalInstance::CreateVirtualDevice( SalGraphi
     return pNew;
 }
 
-cairo_surface_t* get_underlying_cairo_surface(VirtualDevice& rDevice)
+cairo_surface_t* get_underlying_cairo_surface(const VirtualDevice& rDevice)
 {
     return static_cast<SvpSalVirtualDevice*>(rDevice.mpVirDev.get())->GetSurface();
 }
diff --git a/vcl/inc/graphic/Manager.hxx b/vcl/inc/graphic/Manager.hxx
index 88d57229f9e2..f6f24b47db6f 100644
--- a/vcl/inc/graphic/Manager.hxx
+++ b/vcl/inc/graphic/Manager.hxx
@@ -43,7 +43,7 @@ private:
 
     Manager();
 
-    void registerGraphic(std::shared_ptr<ImpGraphic>& rImpGraphic, OUString const& rsContext);
+    void registerGraphic(const std::shared_ptr<ImpGraphic>& rImpGraphic, OUString const& rsContext);
 
     DECL_LINK(SwapOutTimerHandler, Timer*, void);
 
diff --git a/vcl/inc/headless/svpgdi.hxx b/vcl/inc/headless/svpgdi.hxx
index 9ba284300a37..e62c508d0863 100644
--- a/vcl/inc/headless/svpgdi.hxx
+++ b/vcl/inc/headless/svpgdi.hxx
@@ -242,7 +242,7 @@ public:
     virtual void            drawBitmap( const SalTwoRect& rPosAry,
                                         const SalBitmap& rSalBitmap ) override;
     void                    drawBitmap( const SalTwoRect& rPosAry,
-                                        BitmapBuffer* pBuffer,
+                                        const BitmapBuffer* pBuffer,
                                         cairo_operator_t eOp );
     virtual void            drawBitmap( const SalTwoRect& rPosAry,
                                         const SalBitmap& rSalBitmap,
diff --git a/vcl/inc/headless/svpinst.hxx b/vcl/inc/headless/svpinst.hxx
index b331c5cbcbad..3dbdf10f1e57 100644
--- a/vcl/inc/headless/svpinst.hxx
+++ b/vcl/inc/headless/svpinst.hxx
@@ -194,7 +194,7 @@ inline void SvpSalInstance::deregisterFrame( SalFrame* pFrame )
     eraseFrame( pFrame );
 }
 
-VCL_DLLPUBLIC cairo_surface_t* get_underlying_cairo_surface(VirtualDevice& rDevice);
+VCL_DLLPUBLIC cairo_surface_t* get_underlying_cairo_surface(const VirtualDevice& rDevice);
 
 #endif // INCLUDED_VCL_INC_HEADLESS_SVPINST_HXX
 
diff --git a/vcl/inc/impfontmetricdata.hxx b/vcl/inc/impfontmetricdata.hxx
index 1c9b14a5098f..73beb59722db 100644
--- a/vcl/inc/impfontmetricdata.hxx
+++ b/vcl/inc/impfontmetricdata.hxx
@@ -97,7 +97,7 @@ public:
                                         int nUPEM);
 
 private:
-    bool            ShouldUseWinMetrics(vcl::TTGlobalFontInfo& rInfo);
+    bool            ShouldUseWinMetrics(const vcl::TTGlobalFontInfo& rInfo);
 
     // font instance attributes from the font request
     long const      mnHeight;                   // Font size
diff --git a/vcl/inc/implimagetree.hxx b/vcl/inc/implimagetree.hxx
index 1e81aba8fac8..4c23f3a2637f 100644
--- a/vcl/inc/implimagetree.hxx
+++ b/vcl/inc/implimagetree.hxx
@@ -133,7 +133,7 @@ private:
 
     void createStyle();
 
-    IconCache &getIconCache(ImageRequestParameters& rParameters);
+    IconCache &getIconCache(const ImageRequestParameters& rParameters);
 
     bool iconCacheLookup(ImageRequestParameters& rParameters);
 
diff --git a/vcl/inc/listbox.hxx b/vcl/inc/listbox.hxx
index 8591d9696764..a13714bf1910 100644
--- a/vcl/inc/listbox.hxx
+++ b/vcl/inc/listbox.hxx
@@ -74,7 +74,7 @@ struct ImplEntryType
     }
 
     /// Computes maStr's text layout (glyphs), cached in maStrGlyphs.
-    SalLayoutGlyphs* GetTextGlyphs(OutputDevice* pOutputDevice);
+    SalLayoutGlyphs* GetTextGlyphs(const OutputDevice* pOutputDevice);
 };
 
 class ImplEntryList
diff --git a/vcl/inc/sallayout.hxx b/vcl/inc/sallayout.hxx
index cd2b02f105aa..7e94242b4808 100644
--- a/vcl/inc/sallayout.hxx
+++ b/vcl/inc/sallayout.hxx
@@ -197,7 +197,7 @@ private:
                     GenericSalLayout( const GenericSalLayout& ) = delete;
                     GenericSalLayout& operator=( const GenericSalLayout& ) = delete;
 
-    void            ApplyDXArray(ImplLayoutArgs&);
+    void            ApplyDXArray(const ImplLayoutArgs&);
     void            Justify(DeviceCoordinate nNewWidth);
     void            ApplyAsianKerning(const OUString& rStr);
 
diff --git a/vcl/source/app/salvtables.cxx b/vcl/source/app/salvtables.cxx
index 4c343f85d53d..e1087b4f311c 100644
--- a/vcl/source/app/salvtables.cxx
+++ b/vcl/source/app/salvtables.cxx
@@ -591,13 +591,13 @@ namespace
         return Image(StockImage::Yes, rImage);
     }
 
-    Image createImage(VirtualDevice& rDevice)
+    Image createImage(const VirtualDevice& rDevice)
     {
         return Image(rDevice.GetBitmapEx(Point(), rDevice.GetOutputSizePixel()));
     }
 
     void insert_to_menu(PopupMenu* pMenu, int pos, const OUString& rId, const OUString& rStr,
-                        const OUString* pIconName, VirtualDevice* pImageSurface, bool bCheck)
+                        const OUString* pIconName, const VirtualDevice* pImageSurface, bool bCheck)
     {
         const auto nCount = pMenu->GetItemCount();
         const sal_uInt16 nLastId = nCount ? pMenu->GetItemId(nCount-1) : 0;
diff --git a/vcl/source/bitmap/BitmapGaussianSeparableBlurFilter.cxx b/vcl/source/bitmap/BitmapGaussianSeparableBlurFilter.cxx
index 990a3f090056..71888f43ca25 100644
--- a/vcl/source/bitmap/BitmapGaussianSeparableBlurFilter.cxx
+++ b/vcl/source/bitmap/BitmapGaussianSeparableBlurFilter.cxx
@@ -83,7 +83,7 @@ BitmapEx BitmapGaussianSeparableBlurFilter::execute(BitmapEx const& rBitmapEx) c
     return BitmapEx();
 }
 
-bool BitmapGaussianSeparableBlurFilter::convolutionPass(Bitmap& rBitmap, Bitmap& aNewBitmap,
+bool BitmapGaussianSeparableBlurFilter::convolutionPass(const Bitmap& rBitmap, Bitmap& aNewBitmap,
                                                         BitmapReadAccess const* pReadAcc,
                                                         int aNumberOfContributions,
                                                         const double* pWeights, int const* pPixels,
diff --git a/vcl/source/control/imp_listbox.cxx b/vcl/source/control/imp_listbox.cxx
index 41750ae91eca..1a059785994a 100644
--- a/vcl/source/control/imp_listbox.cxx
+++ b/vcl/source/control/imp_listbox.cxx
@@ -604,7 +604,7 @@ struct ImplEntryMetrics
     long    nImgHeight;
 };
 
-SalLayoutGlyphs* ImplEntryType::GetTextGlyphs(OutputDevice* pOutputDevice)
+SalLayoutGlyphs* ImplEntryType::GetTextGlyphs(const OutputDevice* pOutputDevice)
 {
     if (maStrGlyphs.IsValid())
         // Use pre-calculated result.
diff --git a/vcl/source/edit/textdoc.cxx b/vcl/source/edit/textdoc.cxx
index b8908f0ee6c7..bca776388ee0 100644
--- a/vcl/source/edit/textdoc.cxx
+++ b/vcl/source/edit/textdoc.cxx
@@ -495,7 +495,7 @@ TextPaM TextDoc::InsertParaBreak( const TextPaM& rPaM )
     return aPaM;
 }
 
-TextPaM TextDoc::ConnectParagraphs( TextNode* pLeft, TextNode* pRight )
+TextPaM TextDoc::ConnectParagraphs( TextNode* pLeft, const TextNode* pRight )
 {
     sal_Int32 nPrevLen = pLeft->GetText().getLength();
     pLeft->Append( *pRight );
diff --git a/vcl/source/edit/textdoc.hxx b/vcl/source/edit/textdoc.hxx
index 0130a2377f43..4bd67fc5e25d 100644
--- a/vcl/source/edit/textdoc.hxx
+++ b/vcl/source/edit/textdoc.hxx
@@ -112,7 +112,7 @@ public:
     TextPaM             InsertText( const TextPaM& rPaM, const OUString& rStr );
 
     TextPaM             InsertParaBreak( const TextPaM& rPaM );
-    TextPaM             ConnectParagraphs( TextNode* pLeft, TextNode* pRight );
+    TextPaM             ConnectParagraphs( TextNode* pLeft, const TextNode* pRight );
 
     sal_Int32           GetTextLen( const sal_Unicode* pSep, const TextSelection* pSel = nullptr ) const;
     OUString            GetText( const sal_Unicode* pSep ) const;
diff --git a/vcl/source/font/fontmetric.cxx b/vcl/source/font/fontmetric.cxx
index 5a5dec974c9f..36d9f7d727eb 100644
--- a/vcl/source/font/fontmetric.cxx
+++ b/vcl/source/font/fontmetric.cxx
@@ -395,7 +395,7 @@ void ImplFontMetricData::ImplInitFlags( const OutputDevice* pDev )
     SetFullstopCenteredFlag( bCentered );
 }
 
-bool ImplFontMetricData::ShouldUseWinMetrics(vcl::TTGlobalFontInfo& rInfo)
+bool ImplFontMetricData::ShouldUseWinMetrics(const vcl::TTGlobalFontInfo& rInfo)
 {
     if (utl::ConfigManager::IsFuzzing())
         return false;
diff --git a/vcl/source/gdi/CommonSalLayout.cxx b/vcl/source/gdi/CommonSalLayout.cxx
index 21d4d1c22ad3..291178af2c6e 100644
--- a/vcl/source/gdi/CommonSalLayout.cxx
+++ b/vcl/source/gdi/CommonSalLayout.cxx
@@ -616,7 +616,7 @@ void GenericSalLayout::GetCharWidths(DeviceCoordinate* pCharWidths) const
 //   * For any RTL glyph that has DX adjustment, insert enough Kashidas to
 //     fill in the added space.
 
-void GenericSalLayout::ApplyDXArray(ImplLayoutArgs& rArgs)
+void GenericSalLayout::ApplyDXArray(const ImplLayoutArgs& rArgs)
 {
     if (rArgs.mpDXArray == nullptr)
         return;
diff --git a/vcl/source/gdi/impvect.cxx b/vcl/source/gdi/impvect.cxx
index 2b959aee204b..896182663dca 100644
--- a/vcl/source/gdi/impvect.cxx
+++ b/vcl/source/gdi/impvect.cxx
@@ -44,7 +44,7 @@
 #define VECT_POLY_OUTLINE_INNER 4UL
 #define VECT_POLY_OUTLINE_OUTER 8UL
 
-static void VECT_MAP( std::unique_ptr<long []> & pMapIn, std::unique_ptr<long []>& pMapOut, long nVal )
+static void VECT_MAP( const std::unique_ptr<long []> & pMapIn, const std::unique_ptr<long []>& pMapOut, long nVal )
 {
     pMapIn[nVal] = (nVal * 4) + 1;
     pMapOut[nVal] = pMapIn[nVal] + 5;
diff --git a/vcl/source/graphic/Manager.cxx b/vcl/source/graphic/Manager.cxx
index 98ef80eebddc..c5408a62bce0 100644
--- a/vcl/source/graphic/Manager.cxx
+++ b/vcl/source/graphic/Manager.cxx
@@ -108,7 +108,7 @@ IMPL_LINK(Manager, SwapOutTimerHandler, Timer*, pTimer, void)
     pTimer->Start();
 }
 
-void Manager::registerGraphic(std::shared_ptr<ImpGraphic>& pImpGraphic,
+void Manager::registerGraphic(const std::shared_ptr<ImpGraphic>& pImpGraphic,
                               OUString const& /*rsContext*/)
 {
     // make some space first
diff --git a/vcl/source/image/ImplImageTree.cxx b/vcl/source/image/ImplImageTree.cxx
index b6ea1196c054..ae8e29e353eb 100644
--- a/vcl/source/image/ImplImageTree.cxx
+++ b/vcl/source/image/ImplImageTree.cxx
@@ -485,7 +485,7 @@ void ImplImageTree::createStyle()
 }
 
 /// Find an icon cache for the right scale factor
-ImplImageTree::IconCache &ImplImageTree::getIconCache(ImageRequestParameters& rParameters)
+ImplImageTree::IconCache &ImplImageTree::getIconCache(const ImageRequestParameters& rParameters)
 {
     IconSet &rSet = getCurrentIconSet();
     auto it = rSet.maScaledIconCaches.find(rParameters.mnScalePercentage);
diff --git a/vcl/source/window/dialog.cxx b/vcl/source/window/dialog.cxx
index 312608347af9..af49c58ba7f7 100644
--- a/vcl/source/window/dialog.cxx
+++ b/vcl/source/window/dialog.cxx
@@ -199,7 +199,7 @@ vcl::Window * lastLogicalChildOfParent(const vcl::Window *pTopLevel)
     return const_cast<vcl::Window *>(pChild);
 }
 
-void Accelerator::GenerateAutoMnemonicsOnHierarchy(vcl::Window* pWindow)
+void Accelerator::GenerateAutoMnemonicsOnHierarchy(const vcl::Window* pWindow)
 {
     MnemonicGenerator   aMnemonicGenerator;
     vcl::Window*                 pGetChild;
diff --git a/vcl/source/window/menuitemlist.cxx b/vcl/source/window/menuitemlist.cxx
index 62127940e4e1..e05672510b7a 100644
--- a/vcl/source/window/menuitemlist.cxx
+++ b/vcl/source/window/menuitemlist.cxx
@@ -39,7 +39,7 @@ MenuItemData::~MenuItemData()
     pSubMenu.disposeAndClear();
 }
 
-SalLayoutGlyphs* MenuItemData::GetTextGlyphs(OutputDevice* pOutputDevice)
+SalLayoutGlyphs* MenuItemData::GetTextGlyphs(const OutputDevice* pOutputDevice)
 {
     if (aTextGlyphs.IsValid())
         // Use pre-calculated result.
diff --git a/vcl/source/window/menuitemlist.hxx b/vcl/source/window/menuitemlist.hxx
index 3d91ef498489..a41dc9eaef2c 100644
--- a/vcl/source/window/menuitemlist.hxx
+++ b/vcl/source/window/menuitemlist.hxx
@@ -92,7 +92,7 @@ struct MenuItemData
     ~MenuItemData();
 
     /// Computes aText's text layout (glyphs), cached in aTextGlyphs.
-    SalLayoutGlyphs* GetTextGlyphs(OutputDevice* pOutputDevice);
+    SalLayoutGlyphs* GetTextGlyphs(const OutputDevice* pOutputDevice);
 
     bool HasCheck() const
     {
diff --git a/vcl/source/window/splitwin.cxx b/vcl/source/window/splitwin.cxx
index ed5b9621990a..f2201341d781 100644
--- a/vcl/source/window/splitwin.cxx
+++ b/vcl/source/window/splitwin.cxx
@@ -1033,7 +1033,7 @@ sal_uInt16 SplitWindow::ImplTestSplit( ImplSplitSet* pSet, const Point& rPos,
     return 0;
 }
 
-sal_uInt16 SplitWindow::ImplTestSplit( SplitWindow* pWindow, const Point& rPos,
+sal_uInt16 SplitWindow::ImplTestSplit( const SplitWindow* pWindow, const Point& rPos,
                                    long& rMouseOff, ImplSplitSet** ppFoundSet, sal_uInt16& rFoundPos )
 {
     // Resizable SplitWindow should be treated different
diff --git a/vcl/source/window/syswin.cxx b/vcl/source/window/syswin.cxx
index 7869b92a08a0..f743186ebebf 100644
--- a/vcl/source/window/syswin.cxx
+++ b/vcl/source/window/syswin.cxx
@@ -113,7 +113,7 @@ void SystemWindow::dispose()
     Window::dispose();
 }
 
-static void ImplHandleControlAccelerator( vcl::Window* pWindow, bool bShow )
+static void ImplHandleControlAccelerator( const vcl::Window* pWindow, bool bShow )
 {
     Control *pControl = dynamic_cast<Control*>(pWindow->ImplGetWindow());
     if (pControl && pControl->GetText().indexOf('~') != -1)
@@ -125,7 +125,7 @@ static void ImplHandleControlAccelerator( vcl::Window* pWindow, bool bShow )
 
 namespace
 {
-    void processChildren(vcl::Window *pParent, bool bShowAccel)
+    void processChildren(const vcl::Window *pParent, bool bShowAccel)
     {
         // go through its children
         vcl::Window* pChild = firstLogicalChildOfParent(pParent);
@@ -157,7 +157,7 @@ namespace
     }
 }
 
-bool Accelerator::ToggleMnemonicsOnHierarchy(const CommandEvent& rCEvent, vcl::Window *pWindow)
+bool Accelerator::ToggleMnemonicsOnHierarchy(const CommandEvent& rCEvent, const vcl::Window *pWindow)
 {
     if (rCEvent.GetCommand() == CommandEventId::ModKeyChange && ImplGetSVData()->maNWFData.mbAutoAccel)
     {
diff --git a/vcl/source/window/winproc.cxx b/vcl/source/window/winproc.cxx
index f58ea591b922..8fdfdede0bcd 100644
--- a/vcl/source/window/winproc.cxx
+++ b/vcl/source/window/winproc.cxx
@@ -1869,13 +1869,13 @@ static void DelayedCloseEventLink( void* pCEvent, void* )
     delete pEv;
 }
 
-static void ImplHandleClose( vcl::Window* pWindow )
+static void ImplHandleClose( const vcl::Window* pWindow )
 {
     ImplSVData* pSVData = ImplGetSVData();
 
     bool bWasPopup = false;
     if( pWindow->ImplIsFloatingWindow() &&
-        static_cast<FloatingWindow*>(pWindow)->ImplIsInPrivatePopupMode() )
+        static_cast<const FloatingWindow*>(pWindow)->ImplIsInPrivatePopupMode() )
     {
         bWasPopup = true;
     }
diff --git a/vcl/unx/generic/print/genpspgraphics.cxx b/vcl/unx/generic/print/genpspgraphics.cxx
index e40b9fd5cc82..7bbe59575b36 100644
--- a/vcl/unx/generic/print/genpspgraphics.cxx
+++ b/vcl/unx/generic/print/genpspgraphics.cxx
@@ -537,7 +537,7 @@ ImplPspFontData::ImplPspFontData(const psp::FastPrintFontInfo& rInfo)
 class PspSalLayout : public GenericSalLayout
 {
 public:
-    PspSalLayout(psp::PrinterGfx&, FreetypeFont& rFont);
+    PspSalLayout(psp::PrinterGfx&, const FreetypeFont& rFont);
 
     void                InitFont() const final override;
 
@@ -551,7 +551,7 @@ private:
     bool                mbArtBold;
 };
 
-PspSalLayout::PspSalLayout(::psp::PrinterGfx& rGfx, FreetypeFont& rFont)
+PspSalLayout::PspSalLayout(::psp::PrinterGfx& rGfx, const FreetypeFont& rFont)
 :   GenericSalLayout(*rFont.GetFontInstance())
 ,   mrPrinterGfx(rGfx)
 {
diff --git a/vcl/unx/gtk3/gtk3gtkinst.cxx b/vcl/unx/gtk3/gtk3gtkinst.cxx
index 9b8741578b28..c6b4553d2bbd 100644
--- a/vcl/unx/gtk3/gtk3gtkinst.cxx
+++ b/vcl/unx/gtk3/gtk3gtkinst.cxx
@@ -1184,7 +1184,7 @@ namespace
         return OString(pStr, pStr ? strlen(pStr) : 0);
     }
 
-    KeyEvent GtkToVcl(GdkEventKey& rEvent)
+    KeyEvent GtkToVcl(const GdkEventKey& rEvent)
     {
         sal_uInt16 nKeyCode = GtkSalFrame::GetKeyCode(rEvent.keyval);
         if (nKeyCode == 0)
@@ -1553,7 +1553,7 @@ public:
         m_aSizeAllocateHdl.Call(Size(nWidth, nHeight));
     }
 
-    gboolean signal_key(GdkEventKey* pEvent)
+    gboolean signal_key(const GdkEventKey* pEvent)
     {
         if (pEvent->type == GDK_KEY_PRESS && m_aKeyPressHdl.IsSet())
         {
@@ -1740,7 +1740,7 @@ namespace
         return load_icon_by_name(rIconName, sIconTheme, sUILang);
     }
 
-    GdkPixbuf* load_icon_from_surface(VirtualDevice& rDevice)
+    GdkPixbuf* load_icon_from_surface(const VirtualDevice& rDevice)
     {
         Size aSize(rDevice.GetOutputSizePixel());
         cairo_surface_t* surface = get_underlying_cairo_surface(rDevice);
@@ -1749,7 +1749,7 @@ namespace
         return gdk_pixbuf_get_from_surface(surface, 0, 0, aSize.Width() * m_fXScale, aSize.Height() * m_fYScale);
     }
 
-    GtkWidget* image_new_from_virtual_device(VirtualDevice& rImageSurface)
+    GtkWidget* image_new_from_virtual_device(const VirtualDevice& rImageSurface)
     {
         GtkWidget* pImage = nullptr;
         if (gtk_check_version(3, 20, 0) == nullptr)
@@ -1839,7 +1839,7 @@ public:
     }
 
     void insert_item(int pos, const OUString& rId, const OUString& rStr,
-                     const OUString* pIconName, VirtualDevice* pImageSurface,
+                     const OUString* pIconName, const VirtualDevice* pImageSurface,
                      bool bCheck)
     {
         GtkWidget* pImage = nullptr;
@@ -3983,7 +3983,7 @@ private:
         pThis->grab_broken(pEvent);
     }
 
-    void grab_broken(GdkEventGrabBroken *event)
+    void grab_broken(const GdkEventGrabBroken *event)
     {
         if (event->grab_window == nullptr)
         {
@@ -4037,7 +4037,7 @@ private:
         return pThis->key_press(pEvent);
     }
 
-    bool key_press(GdkEventKey* pEvent)
+    bool key_press(const GdkEventKey* pEvent)
     {
         if (pEvent->keyval == GDK_KEY_Escape)
         {
@@ -4756,7 +4756,7 @@ namespace
         return found;
     }
 
-    void insert_row(GtkListStore* pListStore, GtkTreeIter& iter, int pos, const OUString* pId, const OUString& rText, const OUString* pIconName, VirtualDevice* pDevice)
+    void insert_row(GtkListStore* pListStore, GtkTreeIter& iter, int pos, const OUString* pId, const OUString& rText, const OUString* pIconName, const VirtualDevice* pDevice)
     {
         if (!pIconName && !pDevice)
         {
@@ -4943,7 +4943,7 @@ private:
     }
 
     void insert_row(GtkTreeIter& iter, GtkTreeIter* parent, int pos, const OUString* pId, const OUString* pText,
-                    const OUString* pIconName, VirtualDevice* pDevice, const OUString* pExpanderName)
+                    const OUString* pIconName, const VirtualDevice* pDevice, const OUString* pExpanderName)
     {
         gtk_tree_store_insert_with_values(m_pTreeStore, &iter, parent, pos,
                                           m_nTextCol, !pText ? nullptr : OUStringToOString(*pText, RTL_TEXTENCODING_UTF8).getStr(),
@@ -6409,7 +6409,7 @@ private:
         SolarMutexGuard aGuard;
         return pThis->signal_motion(pEvent);
     }
-    bool signal_motion(GdkEventMotion* pEvent)
+    bool signal_motion(const GdkEventMotion* pEvent)
     {
         Point aPos(pEvent->x, pEvent->y);
         if (AllSettings::GetLayoutRTL())
@@ -6775,7 +6775,7 @@ private:
         return pThis->signal_key_press(pEvent);
     }
 
-    bool signal_key_press(GdkEventKey* pEvent)
+    bool signal_key_press(const GdkEventKey* pEvent)
     {
         KeyEvent aKEvt(GtkToVcl(*pEvent));