X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/af49c4b8a2d3553e733e71c7dd3911881f4c1a2a..5ecdc7ab6d10222bcf88610198771b5f3aee10a7:/include/wx/variant.h diff --git a/include/wx/variant.h b/include/wx/variant.h index 3c47bc497e..7c1b224c80 100644 --- a/include/wx/variant.h +++ b/include/wx/variant.h @@ -21,18 +21,15 @@ #include "wx/string.h" #include "wx/list.h" -#if wxUSE_TIMEDATE - #include "wx/time.h" - #include "wx/date.h" -#endif // time/date - -#include "wx/datetime.h" +#if wxUSE_DATETIME + #include "wx/datetime.h" +#endif // wxUSE_DATETIME #if wxUSE_ODBC #include "wx/db.h" // will #include sqltypes.h #endif //ODBC -#include "wx/ioswrap.h" +#include "wx/iosfwrap.h" /* * wxVariantData stores the actual data in a wxVariant object, @@ -70,6 +67,8 @@ public: virtual bool Read(wxString& str) = 0; // What type is it? Return a string name. virtual wxString GetType() const = 0; + // If it based on wxObject return the ClassInfo. + virtual wxClassInfo* GetValueClassInfo() { return NULL; } }; /* @@ -97,15 +96,13 @@ public: wxVariant(const wxChar* val, const wxString& name = wxEmptyString); // Necessary or VC++ assumes bool! wxVariant(const wxStringList& val, const wxString& name = wxEmptyString); wxVariant(const wxList& val, const wxString& name = wxEmptyString); // List of variants -// For some reason, Watcom C++ can't link variant.cpp with time/date classes compiled -#if wxUSE_TIMEDATE && !defined(__WATCOMC__) - wxVariant(const wxTime& val, const wxString& name = wxEmptyString); // Time - wxVariant(const wxDate& val, const wxString& name = wxEmptyString); // Date -#endif wxVariant(void* ptr, const wxString& name = wxEmptyString); // void* (general purpose) + wxVariant(wxObject* ptr, const wxString& name = wxEmptyString); //wxObject wxVariant(wxVariantData* data, const wxString& name = wxEmptyString); // User-defined data //TODO: Need to document +#if wxUSE_DATETIME wxVariant(const wxDateTime& val, const wxString& name = wxEmptyString); // Date +#endif // wxUSE_DATETIME wxVariant(const wxArrayString& val, const wxString& name = wxEmptyString); // String array #if wxUSE_ODBC wxVariant(const DATE_STRUCT* valptr, const wxString& name = wxEmptyString); // DateTime @@ -122,9 +119,11 @@ public: void operator= (const wxVariant& variant); //TODO: Need to document +#if wxUSE_DATETIME bool operator== (const wxDateTime& value) const; bool operator!= (const wxDateTime& value) const; void operator= (const wxDateTime& value) ; +#endif // wxUSE_DATETIME bool operator== (const wxArrayString& value) const; bool operator!= (const wxArrayString& value) const; @@ -167,15 +166,6 @@ public: bool operator== (const wxList& value) const; bool operator!= (const wxList& value) const; void operator= (const wxList& value) ; -// For some reason, Watcom C++ can't link variant.cpp with time/date classes compiled -#if wxUSE_TIMEDATE && !defined(__WATCOMC__) - bool operator== (const wxTime& value) const; - bool operator!= (const wxTime& value) const; - void operator= (const wxTime& value) ; - bool operator== (const wxDate& value) const; - bool operator!= (const wxDate& value) const; - void operator= (const wxDate& value) ; -#endif bool operator== (void* value) const; bool operator!= (void* value) const; void operator= (void* value) ; @@ -193,14 +183,14 @@ public: inline operator char () const { return GetChar(); } inline operator long () const { return GetLong(); } inline operator bool () const { return GetBool(); } -// For some reason, Watcom C++ can't link variant.cpp with time/date classes compiled -#if wxUSE_TIMEDATE && !defined(__WATCOMC__) - inline operator wxTime () const { return GetTime(); } - inline operator wxDate () const { return GetDate(); } -#endif inline operator void* () const { return GetVoidPtr(); } + // No implicit conversion to wxObject, as that would really + // confuse people between conversion to our contained data + // and downcasting to see our base type. //TODO: Need to document +#if wxUSE_DATETIME inline operator wxDateTime () const { return GetDateTime(); } +#endif // wxUSE_DATETIME //TODO: End of Need to document // Accessors @@ -219,6 +209,7 @@ public: wxString GetType() const; bool IsType(const wxString& type) const; + bool IsValueKindOf(const wxClassInfo* type) const; // Return the number of elements in a list int GetCount() const; @@ -234,14 +225,12 @@ public: wxList& GetList() const ; wxStringList& GetStringList() const ; -// For some reason, Watcom C++ can't link variant.cpp with time/date classes compiled -#if wxUSE_TIMEDATE && !defined(__WATCOMC__) - wxTime GetTime() const ; - wxDate GetDate() const ; -#endif void* GetVoidPtr() const ; + wxObject* GetWxObjectPtr() ; //TODO: Need to document +#if wxUSE_DATETIME wxDateTime GetDateTime() const ; +#endif // wxUSE_DATETIME wxArrayString GetArrayString() const; //TODO: End of Need to document @@ -275,13 +264,10 @@ public: bool Convert(double* value) const; bool Convert(wxString* value) const; bool Convert(char* value) const; -// For some reason, Watcom C++ can't link variant.cpp with time/date classes compiled -#if wxUSE_TIMEDATE && !defined(__WATCOMC__) - bool Convert(wxTime* value) const; - bool Convert(wxDate* value) const; -#endif //TODO: Need to document +#if wxUSE_DATETIME bool Convert(wxDateTime* value) const; +#endif // wxUSE_DATETIME //TODO: End of Need to document // Attributes @@ -290,6 +276,14 @@ protected: wxString m_name; }; +//Since we want type safety wxVariant we need to fetch and dynamic_cast +//in a seemingly safe way so the compiler can check, so we define +//a dynamic_cast /wxDynamicCast analogue. + +#define wxGetVariantCast(var,classname) \ + ((classname*)(var.IsValueKindOf(&classname::sm_class##classname) ?\ + var.GetWxObjectPtr() : NULL)); + extern wxVariant WXDLLEXPORT wxNullVariant; #endif