Make some member functions const

include/wx/html/helpdata.h

@@ -138,10 +138,10 @@ public:
                        bool case_sensitive, bool whole_words_only,
                        const wxString& book = wxEmptyString);
     bool Search();  // do the next iteration
-    bool IsActive() { return m_Active; }
-    int GetCurIndex() { return m_CurIndex; }
-    int GetMaxIndex() { return m_MaxIndex; }
-    const wxString& GetName() { return m_Name; }
+    bool IsActive() const { return m_Active; }
+    int GetCurIndex() const { return m_CurIndex; }
+    int GetMaxIndex() const { return m_MaxIndex; }
+    const wxString& GetName() const { return m_Name; }
 
     const wxHtmlHelpDataItem *GetCurItem() const { return m_CurItem; }
 

include/wx/html/htmlcell.h

@@ -222,7 +222,7 @@ public:
 
     void SetScriptMode(wxHtmlScriptMode mode, long previousBase);
     wxHtmlScriptMode GetScriptMode() const { return m_ScriptMode; }
-    long GetScriptBaseline() { return m_ScriptBaseline; }
+    long GetScriptBaseline() const { return m_ScriptBaseline; }
 
     // Formatting cells are not visible on the screen, they only alter
     // renderer's state.

include/wx/html/winpars.h

@@ -55,7 +55,7 @@ public:
     void SetDC(wxDC *dc, double pixel_scale, double font_scale);
 
     wxDC *GetDC() {return m_DC;}
-    double GetPixelScale() {return m_PixelScale;}
+    double GetPixelScale() const { return m_PixelScale; }
     int GetCharHeight() const {return m_CharHeight;}
     int GetCharWidth() const {return m_CharWidth;}