use unsigned char to avoid MSVC warnings about cast truncations

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

diff --git a/src/msw/ole/oleutils.cpp b/src/msw/ole/oleutils.cpp
index 7649d712e20c5cf379609ee8948ccec584afa33c..ca0289188a89fcf562c4aa8f773b2d5ce84ef35c 100644 (file)
--- a/src/msw/ole/oleutils.cpp
+++ b/src/msw/ole/oleutils.cpp
@@ -1,12 +1,12 @@
 ///////////////////////////////////////////////////////////////////////////////
 ///////////////////////////////////////////////////////////////////////////////

-// Name:        ole/oleutils.cpp
+// Name:        src/msw/ole/oleutils.cpp

 // Purpose:     implementation of OLE helper functions
 // Author:      Vadim Zeitlin
 // Modified by:
 // Created:     19.02.98
 // RCS-ID:      $Id$
 // Copyright:   (c) 1998 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
 // Purpose:     implementation of OLE helper functions
 // Author:      Vadim Zeitlin
 // Modified by:
 // Created:     19.02.98
 // RCS-ID:      $Id$
 // Copyright:   (c) 1998 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>

-// Licence:     wxWindows license
+// Licence:     wxWindows licence

 ///////////////////////////////////////////////////////////////////////////////
 
 // ============================================================================
 ///////////////////////////////////////////////////////////////////////////////
 
 // ============================================================================


@@ -17,26 +17,36 @@
 // headers
 // ----------------------------------------------------------------------------
 
 // headers
 // ----------------------------------------------------------------------------
 

-#ifdef __GNUG__
-#pragma implementation "oleutils.h"
-#endif
-

 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 
 #if defined(__BORLANDC__)
 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 
 #if defined(__BORLANDC__)

-#pragma hdrstop
+    #pragma hdrstop

 #endif
 
 #endif
 

-#include  "wx/setup.h"
-#include  "wx/log.h"
+#if wxUSE_OLE
+
+#ifndef WX_PRECOMP
+    #include "wx/log.h"
+#endif

 
 #ifndef __CYGWIN10__
 
 
 #ifndef __CYGWIN10__
 

-#include <windows.h>
+#include "wx/msw/private.h"
+
+#ifdef __WXWINCE__
+    #include <winreg.h>
+    #include <ole2.h>
+
+    #define GUID_DEFINED
+    #define UUID_DEFINED
+#endif

 
 // OLE
 
 // OLE

+#ifndef __WXWINCE__

 #include  "wx/msw/ole/uuid.h"
 #include  "wx/msw/ole/uuid.h"

+#endif
+

 #include  "wx/msw/ole/oleutils.h"
 
 #if defined(__VISUALC__) && (__VISUALC__ > 1000)
 #include  "wx/msw/ole/oleutils.h"
 
 #if defined(__VISUALC__) && (__VISUALC__ > 1000)


@@ -47,24 +57,92 @@
 // Implementation
 // ============================================================================
 
 // Implementation
 // ============================================================================
 

-// 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)
 {
   for ( size_t i = 0; i < nCount; i++ ) {
     if ( riid == *aIids[i] )
 bool IsIidFromList(REFIID riid, const IID *aIids[], size_t nCount)
 {
   for ( size_t i = 0; i < nCount; i++ ) {
     if ( riid == *aIids[i] )

-      return TRUE;
+      return true;

   }
 
   }
 

-  return FALSE;
+  return false;
+}
+
+WXDLLEXPORT BSTR wxConvertStringToOle(const wxString& str)
+{
+    return wxBasicString(str).Get();
+}
+
+WXDLLEXPORT wxString wxConvertStringFromOle(BSTR bStr)
+{
+#if wxUSE_UNICODE
+    wxString str(bStr);
+#else
+    int len = SysStringLen(bStr) + 1;
+    char    *buf = new char[len];
+    (void)wcstombs( buf, bStr, len);
+    wxString str(buf);
+    delete[] buf;
+#endif
+    return str;
+}
+
+// ----------------------------------------------------------------------------
+// wxBasicString
+// ----------------------------------------------------------------------------
+
+// ctor takes an ANSI string and transforms it to Unicode
+wxBasicString::wxBasicString(const char *sz)
+{
+    Init(sz);
+}
+
+// ctor takes an ANSI or Unicode string and transforms it to Unicode
+wxBasicString::wxBasicString(const wxString& str)
+{
+#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

 }
 
 }
 

-#if wxUSE_DRAG_AND_DROP
+// Takes an ANSI string and transforms it to Unicode
+void wxBasicString::Init(const char *sz)
+{
+    // get the size of required buffer
+    UINT lenAnsi = strlen(sz);
+#ifdef __MWERKS__
+    UINT lenWide = lenAnsi * 2 ;
+#else
+    UINT lenWide = mbstowcs(NULL, sz, lenAnsi);
+#endif
+
+    if ( lenWide > 0 ) {
+        m_wzBuf = new OLECHAR[lenWide + 1];
+        mbstowcs(m_wzBuf, sz, lenAnsi);
+        m_wzBuf[lenWide] = L'\0';
+    }
+    else {
+        m_wzBuf = NULL;
+    }
+}
+
+// dtor frees memory
+wxBasicString::~wxBasicString()
+{
+  delete [] m_wzBuf;
+}
+
+#if wxUSE_DATAOBJ

 
 // ----------------------------------------------------------------------------
 // Debug support
 // ----------------------------------------------------------------------------
 
 
 // ----------------------------------------------------------------------------
 // Debug support
 // ----------------------------------------------------------------------------
 

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

 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


@@ -81,7 +159,7 @@ static wxString GetIidName(REFIID riid)
     ADD_KNOWN_IID(AdviseSink2),
     ADD_KNOWN_IID(BindCtx),
     ADD_KNOWN_IID(ClassFactory),
     ADD_KNOWN_IID(AdviseSink2),
     ADD_KNOWN_IID(BindCtx),
     ADD_KNOWN_IID(ClassFactory),

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

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


@@ -167,25 +245,29 @@ static wxString GetIidName(REFIID riid)
     }
   }
 
     }
   }
 

+#ifndef __WXWINCE__

   // unknown IID, just transform to string
   Uuid uuid(riid);
   return wxString((const wxChar *)uuid);
   // unknown IID, just transform to string
   Uuid uuid(riid);
   return wxString((const wxChar *)uuid);

+#else
+  return wxEmptyString;
+#endif

 }
 
 void wxLogQueryInterface(const wxChar *szInterface, REFIID riid)
 {
 }
 
 void wxLogQueryInterface(const wxChar *szInterface, REFIID riid)
 {

-  wxLogTrace(wxT("%s::QueryInterface (iid = %s)"),
+  wxLogTrace(wxTRACE_OleCalls, wxT("%s::QueryInterface (iid = %s)"),

              szInterface, GetIidName(riid).c_str());
 }
 
 void wxLogAddRef(const wxChar *szInterface, ULONG cRef)
 {
              szInterface, GetIidName(riid).c_str());
 }
 
 void wxLogAddRef(const wxChar *szInterface, ULONG cRef)
 {

-  wxLogTrace(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)
 {
 }
 
 void wxLogRelease(const wxChar *szInterface, ULONG cRef)
 {

-  wxLogTrace(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)
 }
 
 #elif defined(__WXDEBUG__) && defined(__VISUALC__) && (__VISUALC__ <= 1000)


@@ -206,7 +288,7 @@ void wxLogRelease(const char *szInterface, ULONG cRef)
   wxLogTrace("After %s::Release: m_cRef = %d", szInterface, cRef - 1);
 }
 
   wxLogTrace("After %s::Release: m_cRef = %d", szInterface, cRef - 1);
 }
 

-#endif  //WXDEBUG
+#endif  // __WXDEBUG__

 
 #endif
   // wxUSE_DRAG_AND_DROP
 
 #endif
   // wxUSE_DRAG_AND_DROP


@@ -214,3 +296,5 @@ void wxLogRelease(const char *szInterface, ULONG cRef)
 #endif
   // __CYGWIN10__
 
 #endif
   // __CYGWIN10__
 

+#endif
+  // wxUSE_OLE