///////////////////////////////////////////////////////////////////////////////
-// Name: ole/oleutils.cpp
+// Name: src/msw/ole/oleutils.cpp
// Purpose: implementation of OLE helper functions
// Author: Vadim Zeitlin
// Modified by:
#include "wx/wxprec.h"
#if defined(__BORLANDC__)
-#pragma hdrstop
+ #pragma hdrstop
#endif
-#include "wx/setup.h"
-#include "wx/log.h"
-
#if wxUSE_OLE
+#ifndef WX_PRECOMP
+ #include "wx/log.h"
+#endif
+
#ifndef __CYGWIN10__
#include "wx/msw/private.h"
return false;
}
-BSTR wxConvertStringToOle(const wxString& str)
+WXDLLEXPORT BSTR wxConvertStringToOle(const wxString& str)
{
-/*
- unsigned int len = strlen((const char*) str);
- unsigned short* s = new unsigned short[len*2+2];
- unsigned int i;
- memset(s, 0, len*2+2);
- for (i=0; i < len; i++)
- s[i*2] = str[i];
-*/
- wxBasicString bstr(str.mb_str());
- return bstr.Get();
+ return wxBasicString(str).Get();
}
-wxString wxConvertStringFromOle(BSTR bStr)
+WXDLLEXPORT wxString wxConvertStringFromOle(BSTR bStr)
{
+ // NULL BSTR is equivalent to an empty string (this is the convention used
+ // by VB and hence we must follow it)
+ if ( !bStr )
+ return wxString();
+
+ const int len = SysStringLen(bStr);
+
#if wxUSE_UNICODE
- wxString str(bStr);
+ wxString str(bStr, len);
#else
- int len = SysStringLen(bStr) + 1;
- char *buf = new char[len];
- (void)wcstombs( buf, bStr, len);
- wxString str(buf);
- delete[] buf;
+ wxString str;
+ if (len)
+ {
+ wxStringBufferLength buf(str, len); // asserts if len == 0
+ buf.SetLength(WideCharToMultiByte(CP_ACP, 0 /* no flags */,
+ bStr, len /* not necessarily NUL-terminated */,
+ buf, len,
+ NULL, NULL /* no default char */));
+ }
#endif
+
return str;
}
// wxBasicString
// ----------------------------------------------------------------------------
-// ctor takes an ANSI string and transforms it to Unicode
-wxBasicString::wxBasicString(const char *sz)
+wxBasicString::wxBasicString(const wxString& str)
{
- Init(sz);
+ m_bstrBuf = SysAllocString(str.wc_str(*wxConvCurrent));
}
-// ctor takes an ANSI or Unicode string and transforms it to Unicode
-wxBasicString::wxBasicString(const wxString& str)
+wxBasicString::wxBasicString(const wxBasicString& src)
{
-#if wxUSE_UNICODE
- m_wzBuf = new OLECHAR[str.Length() + 1];
- memcpy(m_wzBuf, str.c_str(), str.Length()*2);
- m_wzBuf[str.Length()] = L'\0';
-#else
- Init(str.c_str());
-#endif
+ m_bstrBuf = src.Get();
}
-// Takes an ANSI string and transforms it to Unicode
-void wxBasicString::Init(const char *sz)
+wxBasicString& wxBasicString::operator=(const wxBasicString& src)
{
- // get the size of required buffer
- UINT lenAnsi = strlen(sz);
-#ifdef __MWERKS__
- UINT lenWide = lenAnsi * 2 ;
-#else
- UINT lenWide = mbstowcs(NULL, sz, lenAnsi);
-#endif
+ SysReAllocString(&m_bstrBuf, src);
+ return *this;
+}
+
+wxBasicString::~wxBasicString()
+{
+ SysFreeString(m_bstrBuf);
+}
+
+
+// ----------------------------------------------------------------------------
+// Convert variants
+// ----------------------------------------------------------------------------
+
+#if wxUSE_VARIANT
+
+WXDLLEXPORT bool wxConvertVariantToOle(const wxVariant& variant, VARIANTARG& oleVariant)
+{
+ VariantInit(&oleVariant);
+ if (variant.IsNull())
+ {
+ oleVariant.vt = VT_NULL;
+ return true;
+ }
+
+ wxString type(variant.GetType());
+
+
+ if (type == wxT("long"))
+ {
+ oleVariant.vt = VT_I4;
+ oleVariant.lVal = variant.GetLong() ;
+ }
+ else if (type == wxT("char"))
+ {
+ oleVariant.vt=VT_I1; // Signed Char
+ oleVariant.cVal=variant.GetChar();
+ }
+ else if (type == wxT("double"))
+ {
+ oleVariant.vt = VT_R8;
+ oleVariant.dblVal = variant.GetDouble();
+ }
+ else if (type == wxT("bool"))
+ {
+ oleVariant.vt = VT_BOOL;
+ oleVariant.boolVal = variant.GetBool() ? VARIANT_TRUE : VARIANT_FALSE;
+ }
+ else if (type == wxT("string"))
+ {
+ wxString str( variant.GetString() );
+ oleVariant.vt = VT_BSTR;
+ oleVariant.bstrVal = wxConvertStringToOle(str);
+ }
+#if wxUSE_DATETIME
+ else if (type == wxT("datetime"))
+ {
+ wxDateTime date( variant.GetDateTime() );
+ oleVariant.vt = VT_DATE;
+
+ SYSTEMTIME st;
+ date.GetAsMSWSysTime(&st);
- if ( lenWide > 0 ) {
- m_wzBuf = new OLECHAR[lenWide + 1];
- mbstowcs(m_wzBuf, sz, lenAnsi);
- m_wzBuf[lenWide] = L'\0';
+ SystemTimeToVariantTime(&st, &oleVariant.date);
}
- else {
- m_wzBuf = NULL;
+#endif
+ else if (type == wxT("void*"))
+ {
+ oleVariant.vt = VT_DISPATCH;
+ oleVariant.pdispVal = (IDispatch*) variant.GetVoidPtr();
+ }
+ else if (type == wxT("list") || type == wxT("stringlist"))
+ {
+ oleVariant.vt = VT_VARIANT | VT_ARRAY;
+
+ SAFEARRAY *psa;
+ SAFEARRAYBOUND saBound;
+ VARIANTARG *pvargBase;
+ VARIANTARG *pvarg;
+ int i, j;
+
+ int iCount = variant.GetCount();
+
+ saBound.lLbound = 0;
+ saBound.cElements = iCount;
+
+ psa = SafeArrayCreate(VT_VARIANT, 1, &saBound);
+ if (psa == NULL)
+ return false;
+
+ SafeArrayAccessData(psa, (void**)&pvargBase);
+
+ pvarg = pvargBase;
+ for (i = 0; i < iCount; i++)
+ {
+ // copy each string in the list of strings
+ wxVariant eachVariant(variant[i]);
+ if (!wxConvertVariantToOle(eachVariant, * pvarg))
+ {
+ // memory failure: back out and free strings alloc'ed up to
+ // now, and then the array itself.
+ pvarg = pvargBase;
+ for (j = 0; j < i; j++)
+ {
+ SysFreeString(pvarg->bstrVal);
+ pvarg++;
+ }
+ SafeArrayDestroy(psa);
+ return false;
+ }
+ pvarg++;
+ }
+
+ SafeArrayUnaccessData(psa);
+
+ oleVariant.parray = psa;
}
+ else
+ {
+ oleVariant.vt = VT_NULL;
+ return false;
+ }
+ return true;
}
-// dtor frees memory
-wxBasicString::~wxBasicString()
+#ifndef VT_TYPEMASK
+#define VT_TYPEMASK 0xfff
+#endif
+
+WXDLLEXPORT bool
+wxConvertOleToVariant(const VARIANTARG& oleVariant, wxVariant& variant)
{
- delete [] m_wzBuf;
+ bool ok = true;
+ if ( oleVariant.vt & VT_ARRAY )
+ {
+
+ // Compute the total number of elements in all array dimensions
+ int cElements = 1;
+ for ( int cDims = 0; cDims < oleVariant.parray->cDims; cDims++ )
+ cElements *= oleVariant.parray->rgsabound[cDims].cElements;
+
+ // Get a pointer to the data
+ void* pvdata;
+ HRESULT hr = SafeArrayAccessData(oleVariant.parray, &pvdata);
+ if ( FAILED(hr) )
+ return false;
+
+ switch (oleVariant.vt & VT_TYPEMASK)
+ {
+ case VT_VARIANT:
+ {
+ variant.ClearList();
+ VARIANTARG *variant_data=(VARIANTARG*)pvdata;
+ for ( int i = 0; i < cElements; i++ )
+ {
+ VARIANTARG& oleElement = variant_data[i];
+ wxVariant vElement;
+ if ( !wxConvertOleToVariant(oleElement, vElement) )
+ {
+ ok = false;
+ variant.ClearList();
+ break;
+ }
+
+ variant.Append(vElement);
+ }
+ }
+ break;
+
+ case VT_BSTR:
+ {
+ wxArrayString strings;
+ BSTR *string_val=(BSTR*)pvdata;
+ for ( int i = 0; i < cElements; ++i )
+ {
+ wxString str=wxConvertStringFromOle(*string_val);
+ strings.Add(str);
+ ++string_val;
+ }
+ variant=strings;
+ }
+ break;
+
+ default:
+ wxLogDebug(wxT("unhandled VT_ARRAY type %x in wxConvertOleToVariant"),
+ oleVariant.vt & VT_TYPEMASK);
+ variant = wxVariant();
+ ok = false;
+ break;
+ }
+
+ SafeArrayUnaccessData(oleVariant.parray);
+ }
+ else if ( oleVariant.vt & VT_BYREF )
+ {
+ switch ( oleVariant.vt & VT_TYPEMASK )
+ {
+ case VT_VARIANT:
+ {
+ VARIANTARG& oleReference = *((LPVARIANT)oleVariant.byref);
+ if (!wxConvertOleToVariant(oleReference,variant))
+ return false;
+ break;
+ }
+
+ default:
+ wxLogError(wxT("wxAutomationObject::ConvertOleToVariant: [as yet] unhandled reference %X"),
+ oleVariant.vt);
+ return false;
+ }
+ }
+ else // simply type (not array or reference)
+ {
+ switch ( oleVariant.vt & VT_TYPEMASK )
+ {
+ case VT_BSTR:
+ {
+ wxString str(wxConvertStringFromOle(oleVariant.bstrVal));
+ variant = str;
+ }
+ break;
+
+ case VT_DATE:
+#if wxUSE_DATETIME
+ {
+ SYSTEMTIME st;
+ VariantTimeToSystemTime(oleVariant.date, &st);
+
+ wxDateTime date;
+ date.SetFromMSWSysTime(st);
+ variant = date;
+ }
+#endif // wxUSE_DATETIME
+ break;
+
+ case VT_I4:
+ variant = (long) oleVariant.lVal;
+ break;
+
+ case VT_I2:
+ variant = (long) oleVariant.iVal;
+ break;
+
+ case VT_BOOL:
+ variant = oleVariant.boolVal != 0;
+ break;
+
+ case VT_R4:
+ variant = oleVariant.fltVal;
+ break;
+
+ case VT_R8:
+ variant = oleVariant.dblVal;
+ break;
+
+ case VT_DISPATCH:
+ variant = (void*) oleVariant.pdispVal;
+ break;
+
+ case VT_NULL:
+ variant.MakeNull();
+ break;
+
+ case VT_EMPTY:
+ break; // Ignore Empty Variant, used only during destruction of objects
+
+ default:
+ wxLogError(wxT("wxAutomationObject::ConvertOleToVariant: Unknown variant value type %X -> %X"),
+ oleVariant.vt,oleVariant.vt&VT_TYPEMASK);
+ return false;
+ }
+ }
+
+ return ok;
}
-#if wxUSE_DATAOBJ
+#endif // wxUSE_VARIANT
+
// ----------------------------------------------------------------------------
// Debug support
// ----------------------------------------------------------------------------
-#if defined(__WXDEBUG__) && ( ( defined(__VISUALC__) && (__VISUALC__ > 1000) ) || defined(__MWERKS__) )
+#if wxUSE_DATAOBJ
+
+#if wxDEBUG_LEVEL && ( ( defined(__VISUALC__) && (__VISUALC__ > 1000) ) || defined(__MWERKS__) )
static wxString GetIidName(REFIID riid)
{
// an association between symbolic name and numeric value of an IID
};
// construct the table containing all known interfaces
- #define ADD_KNOWN_IID(name) { &IID_I##name, _T(#name) }
+ #define ADD_KNOWN_IID(name) { &IID_I##name, wxT(#name) }
static const KNOWN_IID aKnownIids[] = {
ADD_KNOWN_IID(AdviseSink),
wxLogTrace(wxTRACE_OleCalls, wxT("After %s::Release: m_cRef = %d"), szInterface, cRef - 1);
}
-#elif defined(__WXDEBUG__) && defined(__VISUALC__) && (__VISUALC__ <= 1000)
-
-// For VC++ 4
-void wxLogQueryInterface(const char *szInterface, REFIID riid)
-{
- wxLogTrace("%s::QueryInterface", szInterface);
-}
-
-void wxLogAddRef(const char *szInterface, ULONG cRef)
-{
- wxLogTrace("After %s::AddRef: m_cRef = %d", szInterface, cRef + 1);
-}
-
-void wxLogRelease(const char *szInterface, ULONG cRef)
-{
- wxLogTrace("After %s::Release: m_cRef = %d", szInterface, cRef - 1);
-}
-
-#endif // __WXDEBUG__
+#endif // wxDEBUG_LEVEL
-#endif
- // wxUSE_DRAG_AND_DROP
-
-#endif
- // __CYGWIN10__
+#endif // wxUSE_DATAOBJ
-#endif
- // wxUSE_OLE
+#endif // __CYGWIN10__
+#endif // wxUSE_OLE
projects / wxWidgets.git / blobdiff