X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/a518e5080d824422b592e95fb4a9f958b1cd0724..a7689c49fe02c0c065facf736ab28b19f5997b7c:/include/wx/msw/ole/oleutils.h diff --git a/include/wx/msw/ole/oleutils.h b/include/wx/msw/ole/oleutils.h index 81c063701a..37cbd5fb9e 100644 --- a/include/wx/msw/ole/oleutils.h +++ b/include/wx/msw/ole/oleutils.h @@ -1,5 +1,5 @@ /////////////////////////////////////////////////////////////////////////////// -// Name: oleutils.h +// Name: wx/msw/ole/oleutils.h // Purpose: OLE helper routines, OLE debugging support &c // Author: Vadim Zeitlin // Modified by: @@ -36,12 +36,19 @@ // return true if ok, false otherwise inline bool wxOleInitialize() { - // we need to initialize OLE library + HRESULT #ifdef __WXWINCE__ - if ( FAILED(::CoInitializeEx(NULL, COINIT_MULTITHREADED)) ) + hr = ::CoInitializeEx(NULL, COINIT_MULTITHREADED); #else - if ( FAILED(::OleInitialize(NULL)) ) + hr = ::OleInitialize(NULL); #endif + + // RPC_E_CHANGED_MODE indicates that OLE had been already initialized + // before, albeit with different mode. Don't consider it to be an error as + // we don't actually care ourselves about the mode used so this allows the + // main application to call OleInitialize() on its own before we do if it + // needs non-default mode. + if ( hr != RPC_E_CHANGED_MODE && FAILED(hr) ) { wxLogError(_("Cannot initialize OLE")); @@ -75,7 +82,7 @@ inline void ReleaseInterface(IUnknown *pIUnk) #define RELEASE_AND_NULL(p) if ( (p) != NULL ) { p->Release(); p = NULL; }; // return true if the iid is in the array -extern bool IsIidFromList(REFIID riid, const IID *aIids[], size_t nCount); +extern WXDLLIMPEXP_CORE bool IsIidFromList(REFIID riid, const IID *aIids[], size_t nCount); // ============================================================================ // IUnknown implementation helpers @@ -133,9 +140,10 @@ private: wxAutoULong m_cRef // macros for declaring supported interfaces -// NB: you should write ADD_INTERFACE(Foo) and not ADD_INTERFACE(IID_IFoo)! +// NB: ADD_IID prepends IID_I whereas ADD_RAW_IID does not #define BEGIN_IID_TABLE(cname) const IID *cname::ms_aIids[] = { #define ADD_IID(iid) &IID_I##iid, +#define ADD_RAW_IID(iid) &iid, #define END_IID_TABLE } // implementation is as straightforward as possible @@ -143,7 +151,7 @@ private: #define IMPLEMENT_IUNKNOWN_METHODS(classname) \ STDMETHODIMP classname::QueryInterface(REFIID riid, void **ppv) \ { \ - wxLogQueryInterface(_T(#classname), riid); \ + wxLogQueryInterface(wxT(#classname), riid); \ \ if ( IsIidFromList(riid, ms_aIids, WXSIZEOF(ms_aIids)) ) { \ *ppv = this; \ @@ -160,14 +168,14 @@ private: \ STDMETHODIMP_(ULONG) classname::AddRef() \ { \ - wxLogAddRef(_T(#classname), m_cRef); \ + wxLogAddRef(wxT(#classname), m_cRef); \ \ return ++m_cRef; \ } \ \ STDMETHODIMP_(ULONG) classname::Release() \ { \ - wxLogRelease(_T(#classname), m_cRef); \ + wxLogRelease(wxT(#classname), m_cRef); \ \ if ( --m_cRef == wxAutoULong(0) ) { \ delete this; \ @@ -184,17 +192,17 @@ private: // VZ: I don't know it's not done for compilers other than VC++ but I leave it // as is. Please note, though, that tracing OLE interface calls may be // incredibly useful when debugging OLE programs. -#if defined(__WXDEBUG__) && ( ( defined(__VISUALC__) && (__VISUALC__ >= 1000) ) || defined(__MWERKS__) ) +#if defined(__WXDEBUG__) && (( defined(__VISUALC__) && (__VISUALC__ >= 1000) )) // ---------------------------------------------------------------------------- // All OLE specific log functions have DebugTrace level (as LogTrace) // ---------------------------------------------------------------------------- // tries to translate riid into a symbolic name, if possible -void wxLogQueryInterface(const wxChar *szInterface, REFIID riid); +WXDLLIMPEXP_CORE void wxLogQueryInterface(const wxChar *szInterface, REFIID riid); // these functions print out the new value of reference counter -void wxLogAddRef (const wxChar *szInterface, ULONG cRef); -void wxLogRelease(const wxChar *szInterface, ULONG cRef); +WXDLLIMPEXP_CORE void wxLogAddRef (const wxChar *szInterface, ULONG cRef); +WXDLLIMPEXP_CORE void wxLogRelease(const wxChar *szInterface, ULONG cRef); #else //!__WXDEBUG__ #define wxLogQueryInterface(szInterface, riid) @@ -204,7 +212,7 @@ void wxLogRelease(const wxChar *szInterface, ULONG cRef); // wrapper around BSTR type (by Vadim Zeitlin) -class WXDLLEXPORT wxBasicString +class WXDLLIMPEXP_CORE wxBasicString { public: // ctors & dtor @@ -229,15 +237,96 @@ private: // Convert variants class WXDLLIMPEXP_FWD_BASE wxVariant; -WXDLLEXPORT bool wxConvertVariantToOle(const wxVariant& variant, VARIANTARG& oleVariant); -WXDLLEXPORT bool wxConvertOleToVariant(const VARIANTARG& oleVariant, wxVariant& variant); +// wrapper for CURRENCY type used in VARIANT (VARIANT.vt == VT_CY) +class WXDLLIMPEXP_CORE wxVariantDataCurrency : public wxVariantData +{ +public: + wxVariantDataCurrency() { VarCyFromR8(0.0, &m_value); } + wxVariantDataCurrency(CURRENCY value) { m_value = value; } + + CURRENCY GetValue() const { return m_value; } + void SetValue(CURRENCY value) { m_value = value; } + + virtual bool Eq(wxVariantData& data) const; + +#if wxUSE_STD_IOSTREAM + virtual bool Write(wxSTD ostream& str) const; +#endif + virtual bool Write(wxString& str) const; + + wxVariantData* Clone() const { return new wxVariantDataCurrency(m_value); } + virtual wxString GetType() const { return wxS("currency"); } + + DECLARE_WXANY_CONVERSION() + +private: + CURRENCY m_value; +}; + + +// wrapper for SCODE type used in VARIANT (VARIANT.vt == VT_ERROR) +class WXDLLIMPEXP_CORE wxVariantDataErrorCode : public wxVariantData +{ +public: + wxVariantDataErrorCode(SCODE value = S_OK) { m_value = value; } + + SCODE GetValue() const { return m_value; } + void SetValue(SCODE value) { m_value = value; } + + virtual bool Eq(wxVariantData& data) const; + +#if wxUSE_STD_IOSTREAM + virtual bool Write(wxSTD ostream& str) const; +#endif + virtual bool Write(wxString& str) const; + + wxVariantData* Clone() const { return new wxVariantDataErrorCode(m_value); } + virtual wxString GetType() const { return wxS("errorcode"); } + + DECLARE_WXANY_CONVERSION() + +private: + SCODE m_value; +}; + +// wrapper for SAFEARRAY, used for passing multidimensional arrays in wxVariant +class WXDLLIMPEXP_CORE wxVariantDataSafeArray : public wxVariantData +{ +public: + wxEXPLICIT wxVariantDataSafeArray(SAFEARRAY* value = NULL) + { + m_value = value; + } + + SAFEARRAY* GetValue() const { return m_value; } + void SetValue(SAFEARRAY* value) { m_value = value; } + + virtual bool Eq(wxVariantData& data) const; + +#if wxUSE_STD_IOSTREAM + virtual bool Write(wxSTD ostream& str) const; +#endif + virtual bool Write(wxString& str) const; + + wxVariantData* Clone() const { return new wxVariantDataSafeArray(m_value); } + virtual wxString GetType() const { return wxS("safearray"); } + + DECLARE_WXANY_CONVERSION() + +private: + SAFEARRAY* m_value; +}; + + +WXDLLIMPEXP_CORE bool wxConvertVariantToOle(const wxVariant& variant, VARIANTARG& oleVariant); +WXDLLIMPEXP_CORE bool wxConvertOleToVariant(const VARIANTARG& oleVariant, wxVariant& variant); #endif // wxUSE_VARIANT // Convert string to Unicode -WXDLLEXPORT BSTR wxConvertStringToOle(const wxString& str); +WXDLLIMPEXP_CORE BSTR wxConvertStringToOle(const wxString& str); // Convert string from BSTR to wxString -WXDLLEXPORT wxString wxConvertStringFromOle(BSTR bStr); +WXDLLIMPEXP_CORE wxString wxConvertStringFromOle(BSTR bStr); #else // !wxUSE_OLE