X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/3586d10f7287c92fc988229c384346f0a04c42ac..472eec8a0391538e4dcf7f7c6c4f4d44c8383616:/include/wx/variant.h diff --git a/include/wx/variant.h b/include/wx/variant.h index 9d8a681912..89cb6c437d 100644 --- a/include/wx/variant.h +++ b/include/wx/variant.h @@ -26,10 +26,6 @@ #include "wx/datetime.h" #endif // wxUSE_DATETIME -#if wxUSE_ODBC - #include "wx/db.h" // will #include sqltypes.h -#endif //ODBC - #include "wx/iosfwrap.h" /* @@ -81,6 +77,10 @@ public: // If it based on wxObject return the ClassInfo. virtual wxClassInfo* GetValueClassInfo() { return NULL; } + // Implement this to make wxVariant::AllocExcusive work. Returns + // a copy of the data. + virtual wxVariantData* Clone() const { return NULL; } + void IncRef() { m_count++; } void DecRef() { @@ -105,6 +105,10 @@ private: * built in. */ +class WXDLLIMPEXP_FWD_BASE wxVariant; + +WX_DECLARE_LIST_WITH_DECL(wxVariant, wxVariantList, class WXDLLIMPEXP_BASE); + class WXDLLIMPEXP_BASE wxVariant: public wxObject { public: @@ -142,6 +146,9 @@ public: // destroy a reference void UnRef(); + // ensure that the data is exclusive to this variant, and not shared + bool Unshare(); + // Make NULL (i.e. delete the data) void MakeNull(); @@ -191,19 +198,9 @@ public: // wxDateTime #if wxUSE_DATETIME wxVariant(const wxDateTime& val, const wxString& name = wxEmptyString); -#if wxUSE_ODBC - wxVariant(const DATE_STRUCT* valptr, const wxString& name = wxEmptyString); - wxVariant(const TIME_STRUCT* valptr, const wxString& name = wxEmptyString); - wxVariant(const TIMESTAMP_STRUCT* valptr, const wxString& name = wxEmptyString); -#endif bool operator== (const wxDateTime& value) const; bool operator!= (const wxDateTime& value) const; void operator= (const wxDateTime& value) ; -#if wxUSE_ODBC - void operator= (const DATE_STRUCT* value) ; - void operator= (const TIME_STRUCT* value) ; - void operator= (const TIMESTAMP_STRUCT* value) ; -#endif inline operator wxDateTime () const { return GetDateTime(); } wxDateTime GetDateTime() const; #endif @@ -286,14 +283,14 @@ public: // list operations // ------------------------------ - wxVariant(const wxList& val, const wxString& name = wxEmptyString); // List of variants - bool operator== (const wxList& value) const; - bool operator!= (const wxList& value) const; - void operator= (const wxList& value) ; + wxVariant(const wxVariantList& val, const wxString& name = wxEmptyString); // List of variants + bool operator== (const wxVariantList& value) const; + bool operator!= (const wxVariantList& value) const; + void operator= (const wxVariantList& value) ; // Treat a list variant as an array wxVariant operator[] (size_t idx) const; wxVariant& operator[] (size_t idx) ; - wxList& GetList() const ; + wxVariantList& GetList() const ; // Return the number of elements in a list size_t GetCount() const; @@ -361,6 +358,8 @@ public:\ \ virtual wxString GetType() const; \ virtual wxClassInfo* GetValueClassInfo(); \ +\ + virtual wxVariantData* Clone() const { return new classname##VariantData(m_value); } \ \ protected:\ classname m_value; \ @@ -432,6 +431,9 @@ bool classname##VariantData::Eq(wxVariantData& data) const \ ((classname*)(var.IsValueKindOf(&classname::ms_classInfo) ?\ var.GetWxObjectPtr() : NULL)); +// Replacement for using wxDynamicCast on a wxVariantData object +#define wxDynamicCastVariantData(data, classname) dynamic_cast(data) + extern wxVariant WXDLLIMPEXP_BASE wxNullVariant; #endif // wxUSE_VARIANT