fixed crash on startup under GTK

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

diff --git a/src/msw/ole/dataobj.cpp b/src/msw/ole/dataobj.cpp
index b5c4b6f593914cfe97bef288953f738075011a8e..6a4ef3067093f861ca6eaf076866bf11a0d1e41d 100644 (file)
--- a/src/msw/ole/dataobj.cpp
+++ b/src/msw/ole/dataobj.cpp
@@ -17,7 +17,7 @@
 // headers
 // ----------------------------------------------------------------------------
 
 // headers
 // ----------------------------------------------------------------------------
 

-#ifdef __GNUG__
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)

     #pragma implementation "dataobj.h"
 #endif
 
     #pragma implementation "dataobj.h"
 #endif
 


@@ -39,8 +39,12 @@
 
 #include "wx/msw/private.h"         // includes <windows.h>
 
 
 #include "wx/msw/private.h"         // includes <windows.h>
 

+#ifdef __WXWINCE__
+#include <winreg.h>
+#endif
+

 // for some compilers, the entire ole2.h must be included, not only oleauto.h
 // for some compilers, the entire ole2.h must be included, not only oleauto.h

-#if wxUSE_NORLANDER_HEADERS || defined(__WATCOMC__)
+#if wxUSE_NORLANDER_HEADERS || defined(__WATCOMC__) || defined(__WXWINCE__)

   #include <ole2.h>
 #endif
 
   #include <ole2.h>
 #endif
 


@@ -62,7 +66,7 @@
 #ifdef __WXDEBUG__
     static const wxChar *GetTymedName(DWORD tymed);
 #else // !Debug
 #ifdef __WXDEBUG__
     static const wxChar *GetTymedName(DWORD tymed);
 #else // !Debug

-    #define GetTymedName(tymed) _T("")
+    #define GetTymedName(tymed) wxEmptyString

 #endif // Debug/!Debug
 
 // ----------------------------------------------------------------------------
 #endif // Debug/!Debug
 
 // ----------------------------------------------------------------------------


@@ -153,8 +157,7 @@ wxString wxDataFormat::GetId() const
     wxCHECK_MSG( !IsStandard(), s,
                  wxT("name of predefined format cannot be retrieved") );
 
     wxCHECK_MSG( !IsStandard(), s,
                  wxT("name of predefined format cannot be retrieved") );
 

-    int len = ::GetClipboardFormatName(m_format, s.GetWriteBuf(max), max);
-    s.UngetWriteBuf();
+    int len = ::GetClipboardFormatName(m_format, wxStringBuffer(s, max), max);

 
     if ( !len )
     {
 
     if ( !len )
     {


@@ -187,31 +190,27 @@ wxIEnumFORMATETC::wxIEnumFORMATETC(const wxDataFormat *formats, ULONG nCount)
 
 STDMETHODIMP wxIEnumFORMATETC::Next(ULONG      celt,
                                     FORMATETC *rgelt,
 
 STDMETHODIMP wxIEnumFORMATETC::Next(ULONG      celt,
                                     FORMATETC *rgelt,

-                                    ULONG     *WXUNUSED(pceltFetched))
+                                    ULONG     *pceltFetched)

 {
     wxLogTrace(wxTRACE_OleCalls, wxT("wxIEnumFORMATETC::Next"));
 
 {
     wxLogTrace(wxTRACE_OleCalls, wxT("wxIEnumFORMATETC::Next"));
 

-    if ( celt > 1 ) {
-        // we only return 1 element at a time - mainly because I'm too lazy to
-        // implement something which you're never asked for anyhow
-        return S_FALSE;
-    }
-
-    if ( m_nCurrent < m_nCount ) {
+    ULONG numFetched = 0;
+    while (m_nCurrent < m_nCount && numFetched < celt) {

         FORMATETC format;
         format.cfFormat = m_formats[m_nCurrent++];
         format.ptd      = NULL;
         format.dwAspect = DVASPECT_CONTENT;
         format.lindex   = -1;
         format.tymed    = TYMED_HGLOBAL;
         FORMATETC format;
         format.cfFormat = m_formats[m_nCurrent++];
         format.ptd      = NULL;
         format.dwAspect = DVASPECT_CONTENT;
         format.lindex   = -1;
         format.tymed    = TYMED_HGLOBAL;

-        *rgelt = format;

 
 

-        return S_OK;
-    }
-    else {
-        // bad index
-        return S_FALSE;
+        *rgelt++ = format;
+        numFetched++;

     }
     }

+
+    if (pceltFetched)
+        *pceltFetched = numFetched;
+
+    return numFetched == celt ? S_OK : S_FALSE;

 }
 
 STDMETHODIMP wxIEnumFORMATETC::Skip(ULONG celt)
 }
 
 STDMETHODIMP wxIEnumFORMATETC::Skip(ULONG celt)


@@ -303,6 +302,7 @@ STDMETHODIMP wxIDataObject::GetData(FORMATETC *pformatetcIn, STGMEDIUM *pmedium)
             pmedium->tymed = TYMED_ENHMF;
             break;
 
             pmedium->tymed = TYMED_ENHMF;
             break;
 

+#ifndef __WXWINCE__

         case wxDF_METAFILE:
             pmedium->hGlobal = GlobalAlloc(GMEM_MOVEABLE | GMEM_SHARE,
                                            sizeof(METAFILEPICT));
         case wxDF_METAFILE:
             pmedium->hGlobal = GlobalAlloc(GMEM_MOVEABLE | GMEM_SHARE,
                                            sizeof(METAFILEPICT));


@@ -312,7 +312,7 @@ STDMETHODIMP wxIDataObject::GetData(FORMATETC *pformatetcIn, STGMEDIUM *pmedium)
             }
             pmedium->tymed = TYMED_MFPICT;
             break;
             }
             pmedium->tymed = TYMED_MFPICT;
             break;

-
+#endif

         default:
             // alloc memory
             size_t size = m_pDataObject->GetDataSize(format);
         default:
             // alloc memory
             size_t size = m_pDataObject->GetDataSize(format);


@@ -410,19 +410,6 @@ STDMETHODIMP wxIDataObject::GetDataHere(FORMATETC *pformatetc,
     return S_OK;
 }
 
     return S_OK;
 }
 

-#ifdef __DIGITALMARS__
-extern "C"
-size_t wxDataObjectComposite::GetBufferOffset( const wxDataFormat& format );
-
-extern "C"
-const void* wxDataObjectComposite::GetSizeFromBuffer( const void* buffer,
-                                                      size_t* size,
-                                                      const wxDataFormat& format ) ;
-extern "C"
-void* wxDataObjectComposite::SetSizeInBuffer( void* buffer, size_t size,
-                                              const wxDataFormat& format ) ;
-
-#endif

 
 // set data functions
 STDMETHODIMP wxIDataObject::SetData(FORMATETC *pformatetc,
 
 // set data functions
 STDMETHODIMP wxIDataObject::SetData(FORMATETC *pformatetc,


@@ -489,11 +476,13 @@ STDMETHODIMP wxIDataObject::SetData(FORMATETC *pformatetc,
                         break;
 #endif
                     case CF_BITMAP:
                         break;
 #endif
                     case CF_BITMAP:

+#ifndef __WXWINCE__

                     case CF_HDROP:
                         // these formats don't use size at all, anyhow (but
                         // pass data by handle, which is always a single DWORD)
                         size = 0;
                         break;
                     case CF_HDROP:
                         // these formats don't use size at all, anyhow (but
                         // pass data by handle, which is always a single DWORD)
                         size = 0;
                         break;

+#endif

 
                     case CF_DIB:
                         // the handler will calculate size itself (it's too
 
                     case CF_DIB:
                         // the handler will calculate size itself (it's too


@@ -501,10 +490,11 @@ STDMETHODIMP wxIDataObject::SetData(FORMATETC *pformatetc,
                         size = 0;
                         break;
 
                         size = 0;
                         break;
 

+#ifndef __WXWINCE__

                     case CF_METAFILEPICT:
                         size = sizeof(METAFILEPICT);
                         break;
                     case CF_METAFILEPICT:
                         size = sizeof(METAFILEPICT);
                         break;

-
+#endif

                     default:
                         {
                             // we suppose that the size precedes the data
                     default:
                         {
                             // we suppose that the size precedes the data


@@ -771,18 +761,27 @@ const wxChar *wxDataObject::GetFormatName(wxDataFormat format)
 
 size_t wxBitmapDataObject::GetDataSize() const
 {
 
 size_t wxBitmapDataObject::GetDataSize() const
 {

+#if wxUSE_WXDIB

     return wxDIB::ConvertFromBitmap(NULL, GetHbitmapOf(GetBitmap()));
     return wxDIB::ConvertFromBitmap(NULL, GetHbitmapOf(GetBitmap()));

+#else
+    return 0;
+#endif

 }
 
 bool wxBitmapDataObject::GetDataHere(void *buf) const
 {
 }
 
 bool wxBitmapDataObject::GetDataHere(void *buf) const
 {

+#if wxUSE_WXDIB

     BITMAPINFO * const pbi = (BITMAPINFO *)buf;
 
     return wxDIB::ConvertFromBitmap(pbi, GetHbitmapOf(GetBitmap())) != 0;
     BITMAPINFO * const pbi = (BITMAPINFO *)buf;
 
     return wxDIB::ConvertFromBitmap(pbi, GetHbitmapOf(GetBitmap())) != 0;

+#else
+    return FALSE;
+#endif

 }
 
 bool wxBitmapDataObject::SetData(size_t WXUNUSED(len), const void *buf)
 {
 }
 
 bool wxBitmapDataObject::SetData(size_t WXUNUSED(len), const void *buf)
 {

+#if wxUSE_WXDIB

     const BITMAPINFO * const pbmi = (const BITMAPINFO *)buf;
 
     HBITMAP hbmp = wxDIB::ConvertToBitmap(pbmi);
     const BITMAPINFO * const pbmi = (const BITMAPINFO *)buf;
 
     HBITMAP hbmp = wxDIB::ConvertToBitmap(pbmi);


@@ -798,6 +797,9 @@ bool wxBitmapDataObject::SetData(size_t WXUNUSED(len), const void *buf)
     SetBitmap(bitmap);
 
     return TRUE;
     SetBitmap(bitmap);
 
     return TRUE;

+#else
+    return FALSE;
+#endif

 }
 
 // ----------------------------------------------------------------------------
 }
 
 // ----------------------------------------------------------------------------


@@ -973,12 +975,7 @@ bool wxBitmapDataObject::SetData(const wxDataFormat& format,
 
 bool wxFileDataObject::SetData(size_t WXUNUSED(size), const void *pData)
 {
 
 bool wxFileDataObject::SetData(size_t WXUNUSED(size), const void *pData)
 {

-//FIX ME  __DIGITALMARS__   
-#if defined (__DIGITALMARS__)
-    //DragQueryFile not in any library
-    wxLogDebug(wxT("In wxFileDataObject::SetData code not executed - no Digital Mars library "));
-    return FALSE;
-#endif
+#ifndef __WXWINCE__

     m_filenames.Empty();
 
     // the documentation states that the first member of DROPFILES structure is
     m_filenames.Empty();
 
     // the documentation states that the first member of DROPFILES structure is


@@ -1001,8 +998,7 @@ bool wxFileDataObject::SetData(size_t WXUNUSED(size), const void *pData)
         // +1 for terminating NUL
         len = ::DragQueryFile(hdrop, n, NULL, 0) + 1;
 
         // +1 for terminating NUL
         len = ::DragQueryFile(hdrop, n, NULL, 0) + 1;
 

-        UINT len2 = ::DragQueryFile(hdrop, n, str.GetWriteBuf(len), len);
-        str.UngetWriteBuf();
+        UINT len2 = ::DragQueryFile(hdrop, n, wxStringBuffer(str, len), len);

         m_filenames.Add(str);
 
         if ( len2 != len - 1 ) {
         m_filenames.Add(str);
 
         if ( len2 != len - 1 ) {


@@ -1012,6 +1008,9 @@ bool wxFileDataObject::SetData(size_t WXUNUSED(size), const void *pData)
     }
 
     return TRUE;
     }
 
     return TRUE;

+#else
+    return FALSE;
+#endif

 }
 
 void wxFileDataObject::AddFile(const wxString& file)
 }
 
 void wxFileDataObject::AddFile(const wxString& file)


@@ -1024,6 +1023,7 @@ void wxFileDataObject::AddFile(const wxString& file)
 
 size_t wxFileDataObject::GetDataSize() const
 {
 
 size_t wxFileDataObject::GetDataSize() const
 {

+#ifndef __WXWINCE__

     // size returned will be the size of the DROPFILES structure,
     // plus the list of filesnames (null byte separated), plus
     // a double null at the end
     // size returned will be the size of the DROPFILES structure,
     // plus the list of filesnames (null byte separated), plus
     // a double null at the end


@@ -1043,10 +1043,14 @@ size_t wxFileDataObject::GetDataSize() const
     }
 
     return sz;
     }
 
     return sz;

+#else
+    return 0;
+#endif

 }
 
 bool wxFileDataObject::GetDataHere(void *pData) const
 {
 }
 
 bool wxFileDataObject::GetDataHere(void *pData) const
 {

+#ifndef __WXWINCE__

     // pData points to an externally allocated memory block
     // created using the size returned by GetDataSize()
 
     // pData points to an externally allocated memory block
     // created using the size returned by GetDataSize()
 


@@ -1083,6 +1087,9 @@ bool wxFileDataObject::GetDataHere(void *pData) const
     *pbuf = wxT('\0');
 
     return TRUE;
     *pbuf = wxT('\0');
 
     return TRUE;

+#else
+    return FALSE;
+#endif

 }
 
 // ----------------------------------------------------------------------------
 }
 
 // ----------------------------------------------------------------------------


@@ -1126,7 +1133,12 @@ protected:
 
         return TRUE;
     }
 
         return TRUE;
     }

+    virtual bool GetDataHere(const wxDataFormat& WXUNUSED(format),
+                             void *buf) const
+        { return GetDataHere(buf); }

 #endif
 #endif

+
+    DECLARE_NO_COPY_CLASS(CFSTR_SHELLURLDataObject)

 };
 
 
 };
 
 


@@ -1162,8 +1174,7 @@ wxString wxURLDataObject::GetURL() const
 
     size_t len = m_dataObjectLast->GetDataSize();
 
 
     size_t len = m_dataObjectLast->GetDataSize();
 

-    m_dataObjectLast->GetDataHere(url.GetWriteBuf(len));
-    url.UngetWriteBuf();
+    m_dataObjectLast->GetDataHere(wxStringBuffer(url, len));

 
     return url;
 }
 
     return url;
 }