Fixed some warnings

[wxWidgets.git] / src / msw / ole / oleutils.cpp

diff --git a/src/msw/ole/oleutils.cpp b/src/msw/ole/oleutils.cpp
index 058f4afd87c658eec6f6fcf638996dbe0867c858..293b4e68baf088794dec6c16e44ce256f0ba3705 100644 (file)
--- a/src/msw/ole/oleutils.cpp
+++ b/src/msw/ole/oleutils.cpp
@@ -48,6 +48,7 @@
 #endif
 
 #include  "wx/msw/ole/oleutils.h"
 #endif
 
 #include  "wx/msw/ole/oleutils.h"

+#include "wx/msw/ole/safearray.h"

 
 #if defined(__VISUALC__) && (__VISUALC__ > 1000)
     #include  <docobj.h>
 
 #if defined(__VISUALC__) && (__VISUALC__ > 1000)
     #include  <docobj.h>


@@ -58,7 +59,7 @@
 // ============================================================================
 
 // return true if the iid is in the array
 // ============================================================================
 
 // return true if the iid is in the array

-bool IsIidFromList(REFIID riid, const IID *aIids[], size_t nCount)
+WXDLLEXPORT bool IsIidFromList(REFIID riid, const IID *aIids[], size_t nCount)

 {
   for ( size_t i = 0; i < nCount; i++ ) {
     if ( riid == *aIids[i] )
 {
   for ( size_t i = 0; i < nCount; i++ ) {
     if ( riid == *aIids[i] )


@@ -70,29 +71,32 @@ bool IsIidFromList(REFIID riid, const IID *aIids[], size_t nCount)
 
 WXDLLEXPORT 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();

 }
 
 WXDLLEXPORT 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
 #if wxUSE_UNICODE

-    wxString str(bStr);
+    wxString str(bStr, len);

 #else
 #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
 #endif

+

     return str;
 }
 
     return str;
 }
 


@@ -100,58 +104,478 @@ WXDLLEXPORT wxString wxConvertStringFromOle(BSTR bStr)
 // wxBasicString
 // ----------------------------------------------------------------------------
 
 // 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());
+    m_bstrBuf = src.Get();
+}
+
+wxBasicString& wxBasicString::operator=(const wxBasicString& src)
+{
+    SysReAllocString(&m_bstrBuf, src);
+    return *this;
+}
+
+wxBasicString::~wxBasicString()
+{
+    SysFreeString(m_bstrBuf);
+}
+
+
+// ----------------------------------------------------------------------------
+// Convert variants
+// ----------------------------------------------------------------------------
+
+#if wxUSE_VARIANT
+
+// ----------------------------------------------------------------------------
+// wxVariantDataCurrency
+// ----------------------------------------------------------------------------
+
+
+#if wxUSE_ANY
+
+bool wxVariantDataCurrency::GetAsAny(wxAny* any) const
+{
+    *any = m_value;
+    return true;
+}
+
+wxVariantData* wxVariantDataCurrency::VariantDataFactory(const wxAny& any)
+{
+    return new wxVariantDataCurrency(wxANY_AS(any, CURRENCY));
+}
+
+REGISTER_WXANY_CONVERSION(CURRENCY, wxVariantDataCurrency)
+
+#endif // wxUSE_ANY
+
+bool wxVariantDataCurrency::Eq(wxVariantData& data) const
+{
+    wxASSERT_MSG( (data.GetType() == wxS("currency")),
+                  "wxVariantDataCurrency::Eq: argument mismatch" );
+
+    wxVariantDataCurrency& otherData = (wxVariantDataCurrency&) data;
+
+    return otherData.m_value.int64 == m_value.int64;
+}
+
+#if wxUSE_STD_IOSTREAM
+bool wxVariantDataCurrency::Write(wxSTD ostream& str) const
+{
+    wxString s;
+    Write(s);
+    str << s;
+    return true;
+}

 #endif
 #endif

+
+bool wxVariantDataCurrency::Write(wxString& str) const
+{
+    BSTR bStr = NULL;
+    if ( SUCCEEDED(VarBstrFromCy(m_value, LOCALE_USER_DEFAULT, 0, &bStr)) )
+    {
+        str = wxConvertStringFromOle(bStr);
+        SysFreeString(bStr);
+        return true;
+    }
+    return false;

 }
 
 }
 

-// Takes an ANSI string and transforms it to Unicode
-void wxBasicString::Init(const char *sz)
+// ----------------------------------------------------------------------------
+// wxVariantDataErrorCode
+// ----------------------------------------------------------------------------
+
+#if wxUSE_ANY
+
+bool wxVariantDataErrorCode::GetAsAny(wxAny* any) const

 {
 {

-    // get the size of required buffer
-    UINT lenAnsi = strlen(sz);
-#ifdef __MWERKS__
-    UINT lenWide = lenAnsi * 2 ;
-#else
-    UINT lenWide = mbstowcs(NULL, sz, lenAnsi);
+    *any = m_value;
+    return true;
+}
+
+wxVariantData* wxVariantDataErrorCode::VariantDataFactory(const wxAny& any)
+{
+    return new wxVariantDataErrorCode(wxANY_AS(any, SCODE));
+}
+
+REGISTER_WXANY_CONVERSION(SCODE, wxVariantDataErrorCode)
+
+#endif // wxUSE_ANY
+
+bool wxVariantDataErrorCode::Eq(wxVariantData& data) const
+{
+    wxASSERT_MSG( (data.GetType() == wxS("errorcode")),
+                  "wxVariantDataErrorCode::Eq: argument mismatch" );
+
+    wxVariantDataErrorCode& otherData = (wxVariantDataErrorCode&) data;
+
+    return otherData.m_value == m_value;
+}
+
+#if wxUSE_STD_IOSTREAM
+bool wxVariantDataErrorCode::Write(wxSTD ostream& str) const
+{
+    wxString s;
+    Write(s);
+    str << s;
+    return true;
+}
+#endif
+
+bool wxVariantDataErrorCode::Write(wxString& str) const
+{
+    str << m_value;
+    return true;
+}
+
+
+// ----------------------------------------------------------------------------
+// wxVariantDataSafeArray
+// ----------------------------------------------------------------------------
+
+#if wxUSE_ANY
+
+bool wxVariantDataSafeArray::GetAsAny(wxAny* any) const
+{
+    *any = m_value;
+    return true;
+}
+
+wxVariantData* wxVariantDataSafeArray::VariantDataFactory(const wxAny& any)
+{
+    return new wxVariantDataSafeArray(wxANY_AS(any, SAFEARRAY*));
+}
+
+REGISTER_WXANY_CONVERSION(SAFEARRAY*, wxVariantDataSafeArray)
+
+#endif // wxUSE_ANY
+
+bool wxVariantDataSafeArray::Eq(wxVariantData& data) const
+{
+    wxASSERT_MSG( (data.GetType() == wxS("safearray")),
+                  "wxVariantDataSafeArray::Eq: argument mismatch" );
+
+    wxVariantDataSafeArray& otherData = (wxVariantDataSafeArray&) data;
+
+    return otherData.m_value == m_value;
+}
+
+#if wxUSE_STD_IOSTREAM
+bool wxVariantDataSafeArray::Write(wxSTD ostream& str) const
+{
+    wxString s;
+    Write(s);
+    str << s;
+    return true;
+}

 #endif
 
 #endif
 

-    if ( lenWide > 0 ) {
-        m_wzBuf = new OLECHAR[lenWide + 1];
-        mbstowcs(m_wzBuf, sz, lenAnsi);
-        m_wzBuf[lenWide] = L'\0';
+bool wxVariantDataSafeArray::Write(wxString& str) const
+{
+    str.Printf(wxS("SAFEARRAY: %p"), (void*)m_value);
+    return true;
+}
+
+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("errorcode"))
+    {
+        wxVariantDataErrorCode* const
+            ec = wxStaticCastVariantData(variant.GetData(),
+                                         wxVariantDataErrorCode);
+        oleVariant.vt = VT_ERROR;
+        oleVariant.scode = ec->GetValue();
+    }
+    else if (type == wxT("currency"))
+    {
+        wxVariantDataCurrency* const
+            c = wxStaticCastVariantData(variant.GetData(),
+                                        wxVariantDataCurrency);
+        oleVariant.vt = VT_CY;
+        oleVariant.cyVal = c->GetValue();
+    }
+    else if (type == wxT("safearray"))
+    {
+        wxVariantDataSafeArray* const
+            vsa = wxStaticCastVariantData(variant.GetData(),
+                                          wxVariantDataSafeArray);
+        SAFEARRAY* psa = vsa->GetValue();
+        VARTYPE vt;
+
+        wxCHECK(psa, false);
+        HRESULT hr = SafeArrayGetVartype(psa, &vt);
+        if ( FAILED(hr) )
+        {
+            wxLogApiError(wxS("SafeArrayGetVartype()"), hr);
+            SafeArrayDestroy(psa);
+            return false;
+        }
+        oleVariant.vt = vt | VT_ARRAY;
+        oleVariant.parray = psa;
+    }
+    else if (type == wxT("long"))
+    {
+        oleVariant.vt = VT_I4;
+        oleVariant.lVal = variant.GetLong() ;
+    }
+    // Original VC6 came with SDK too old to contain VARIANT::llVal declaration
+    // and there doesn't seem to be any way to test for it as Microsoft simply
+    // added it to the later version of oaidl.h without changing anything else.
+    // So assume it's not present for VC6, even though it might be if an
+    // updated SDK is used. In this case the user would need to disable this
+    // check himself.
+#if wxUSE_LONGLONG && !defined(__VISUALC6__)
+    else if (type == wxT("longlong"))
+    {
+        oleVariant.vt = VT_I8;
+        oleVariant.llVal = variant.GetLongLong().GetValue();
+    }
+#endif
+    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 {
-        m_wzBuf = NULL;
+    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);
+
+        SystemTimeToVariantTime(&st, &oleVariant.date);
+    }
+#endif
+    else if (type == wxT("void*"))
+    {
+        oleVariant.vt = VT_DISPATCH;
+        oleVariant.pdispVal = (IDispatch*) variant.GetVoidPtr();
+    }
+    else if (type == wxT("list"))
+    {
+        wxSafeArray<VT_VARIANT> safeArray;
+        if (!safeArray.CreateFromListVariant(variant))
+            return false;
+
+        oleVariant.vt = VT_VARIANT | VT_ARRAY;
+        oleVariant.parray = safeArray.Detach();
+    }
+    else if (type == wxT("arrstring"))
+    {
+        wxSafeArray<VT_BSTR> safeArray;
+
+        if (!safeArray.CreateFromArrayString(variant.GetArrayString()))
+            return false;
+
+        oleVariant.vt = VT_BSTR | VT_ARRAY;
+        oleVariant.parray = safeArray.Detach();
+    }
+    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 )
+    {
+        // TODO: We currently return arrays as wxVariant of the list type
+        //       containing the flattened form of array but we should allow
+        //       getting it as wxVariantDataSafeArray instead. Doing this is
+        //       simple, we'd just need to do something like this:
+        //
+        //  if ( oleVariant.parray && SafeArrayGetDim(oleVariant.parray) > 1 )
+        //  {
+        //      variant.SetData(new wxVariantDataSafeArray(oleVariant.parray));
+        //  }
+        //
+        //      but currently we don't do it for compatibility reasons.
+        switch (oleVariant.vt & VT_TYPEMASK)
+        {
+            case VT_I2:
+                ok = wxSafeArray<VT_I2>::ConvertToVariant(oleVariant.parray, variant);
+                break;
+            case VT_I4:
+                ok = wxSafeArray<VT_I4>::ConvertToVariant(oleVariant.parray, variant);
+                break;
+            case VT_R4:
+                ok = wxSafeArray<VT_R4>::ConvertToVariant(oleVariant.parray, variant);
+                break;
+            case VT_R8:
+                ok = wxSafeArray<VT_R8>::ConvertToVariant(oleVariant.parray, variant);
+                break;
+            case VT_VARIANT:
+                ok = wxSafeArray<VT_VARIANT>::ConvertToVariant(oleVariant.parray, variant);
+                break;
+            case VT_BSTR:
+                {
+                    wxArrayString strings;
+                    if ( wxSafeArray<VT_BSTR>::ConvertToArrayString(oleVariant.parray, strings) )
+                        variant = strings;
+                    else
+                        ok = false;
+                }
+                break;
+            default:
+                ok = false;
+                break;
+        }
+        if ( !ok )
+        {
+            wxLogDebug(wxT("unhandled VT_ARRAY type %x in wxConvertOleToVariant"),
+                       oleVariant.vt & VT_TYPEMASK);
+            variant = wxVariant();
+        }
+    }
+    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_ERROR:
+                variant.SetData(new wxVariantDataErrorCode(oleVariant.scode));
+                break;
+
+            case VT_CY:
+                variant.SetData(new wxVariantDataCurrency(oleVariant.cyVal));
+                break;
+
+            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;
+
+                // See the comment before the __VISUALC6__ test above.
+#if wxUSE_LONGLONG && !defined(__VISUALC6__)
+            case VT_I8:
+                variant = wxLongLong(oleVariant.llVal);
+                break;
+#endif // wxUSE_LONGLONG
+
+            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
 // ----------------------------------------------------------------------------
 
 
 // ----------------------------------------------------------------------------
 // Debug support
 // ----------------------------------------------------------------------------
 

-#if defined(__WXDEBUG__) && ( ( defined(__VISUALC__) && (__VISUALC__ > 1000) ) || defined(__MWERKS__) )
+#if wxUSE_DATAOBJ
+
+#if wxDEBUG_LEVEL && (( defined(__VISUALC__) && (__VISUALC__ > 1000) ))

 static wxString GetIidName(REFIID riid)
 {
   // an association between symbolic name and numeric value of an IID
 static wxString GetIidName(REFIID riid)
 {
   // an association between symbolic name and numeric value of an IID


@@ -161,14 +585,14 @@ static wxString GetIidName(REFIID riid)
   };
 
   // construct the table containing all known interfaces
   };
 
   // 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),
     ADD_KNOWN_IID(AdviseSink2),
     ADD_KNOWN_IID(BindCtx),
     ADD_KNOWN_IID(ClassFactory),
 
   static const KNOWN_IID aKnownIids[] = {
     ADD_KNOWN_IID(AdviseSink),
     ADD_KNOWN_IID(AdviseSink2),
     ADD_KNOWN_IID(BindCtx),
     ADD_KNOWN_IID(ClassFactory),

-#if ( !defined( __VISUALC__) || (__VISUALC__!=1010) ) && !defined(__MWERKS__)
+#if ( !defined( __VISUALC__) || (__VISUALC__!=1010) )

     ADD_KNOWN_IID(ContinueCallback),
     ADD_KNOWN_IID(EnumOleDocumentViews),
     ADD_KNOWN_IID(OleCommandTarget),
     ADD_KNOWN_IID(ContinueCallback),
     ADD_KNOWN_IID(EnumOleDocumentViews),
     ADD_KNOWN_IID(OleCommandTarget),


@@ -263,47 +687,26 @@ static wxString GetIidName(REFIID riid)
 #endif
 }
 
 #endif
 }
 

-void wxLogQueryInterface(const wxChar *szInterface, REFIID riid)
+WXDLLEXPORT void wxLogQueryInterface(const wxChar *szInterface, REFIID riid)

 {
   wxLogTrace(wxTRACE_OleCalls, wxT("%s::QueryInterface (iid = %s)"),
              szInterface, GetIidName(riid).c_str());
 }
 
 {
   wxLogTrace(wxTRACE_OleCalls, wxT("%s::QueryInterface (iid = %s)"),
              szInterface, GetIidName(riid).c_str());
 }
 

-void wxLogAddRef(const wxChar *szInterface, ULONG cRef)
+WXDLLEXPORT void wxLogAddRef(const wxChar *szInterface, ULONG cRef)

 {
   wxLogTrace(wxTRACE_OleCalls, wxT("After %s::AddRef: m_cRef = %d"), szInterface, cRef + 1);
 }
 
 {
   wxLogTrace(wxTRACE_OleCalls, wxT("After %s::AddRef: m_cRef = %d"), szInterface, cRef + 1);
 }
 

-void wxLogRelease(const wxChar *szInterface, ULONG cRef)
+WXDLLEXPORT void wxLogRelease(const wxChar *szInterface, ULONG cRef)

 {
   wxLogTrace(wxTRACE_OleCalls, wxT("After %s::Release: m_cRef = %d"), szInterface, cRef - 1);
 }
 
 {
   wxLogTrace(wxTRACE_OleCalls, wxT("After %s::Release: m_cRef = %d"), szInterface, cRef - 1);
 }
 

-#elif defined(__WXDEBUG__) && defined(__VISUALC__) && (__VISUALC__ <= 1000)
+#endif  // wxDEBUG_LEVEL

 
 

-// For VC++ 4
-void wxLogQueryInterface(const char *szInterface, REFIID riid)
-{
-  wxLogTrace("%s::QueryInterface", szInterface);
-}
+#endif // wxUSE_DATAOBJ

 
 

-void wxLogAddRef(const char *szInterface, ULONG cRef)
-{
-  wxLogTrace("After %s::AddRef: m_cRef = %d", szInterface, cRef + 1);
-}
+#endif // __CYGWIN10__

 
 

-void wxLogRelease(const char *szInterface, ULONG cRef)
-{
-  wxLogTrace("After %s::Release: m_cRef = %d", szInterface, cRef - 1);
-}
-
-#endif  // __WXDEBUG__
-
-#endif
-  // wxUSE_DRAG_AND_DROP
-
-#endif
-  // __CYGWIN10__
-
-#endif
-  // wxUSE_OLE
+#endif // wxUSE_OLE