Get(Class)DefaultAttributes() for wxGTK controls

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@27115 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/gtk/combobox.h

@@ -134,6 +134,9 @@ public:
 
     wxCONTROL_ITEMCONTAINER_CLIENTDATAOBJECT_RECAST
 
+    static wxVisualAttributes
+    GetClassDefaultAttributes(wxWindowVariant variant = wxWINDOW_VARIANT_NORMAL);
+    
 protected:
     virtual int DoAppend(const wxString& item);
     virtual int DoInsert(const wxString& item, int pos);
@@ -145,6 +148,10 @@ protected:
 
     virtual wxSize DoGetBestSize() const;
 
+    // Widgets that use the style->base colour for the BG colour should
+    // override this and return true.
+    virtual bool UseGTKStyleBase() const { return true; }
+
 private:
     DECLARE_DYNAMIC_CLASS_NO_COPY(wxComboBox)
     DECLARE_EVENT_TABLE()