///////////////////////////////////////////////////////////////////////////////
-// Name: oleutils.h
+// Name: wx/msw/ole/oleutils.h
// Purpose: OLE helper routines, OLE debugging support &c
// Author: Vadim Zeitlin
// Modified by:
// 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"));
#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
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
#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; \
\
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; \
// 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)
// Convert variants
class WXDLLIMPEXP_FWD_BASE wxVariant;
+// 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;
+};
+
WXDLLIMPEXP_CORE bool wxConvertVariantToOle(const wxVariant& variant, VARIANTARG& oleVariant);
WXDLLIMPEXP_CORE bool wxConvertOleToVariant(const VARIANTARG& oleVariant, wxVariant& variant);
#endif // wxUSE_VARIANT
projects / wxWidgets.git / blobdiff