]> git.saurik.com Git - wxWidgets.git/blobdiff - src/msw/ole/dataobj.cpp
fix typo in drawing slider ticks; added assert to check for it (slightly modified...
[wxWidgets.git] / src / msw / ole / dataobj.cpp
index d27cd12afe70c480ec39a3ea38e8f8f2ffce5fbd..3c66ba49e0fab66537bf9364c1514e561053afdd 100644 (file)
 
 #include "wx/msw/dib.h"
 
+#ifdef __WXWINE__
+#define LPDROPFILES DROPFILES*
+#endif
+
 #ifndef CFSTR_SHELLURL
 #define CFSTR_SHELLURL _T("UniformResourceLocator")
 #endif
 
-
 // ----------------------------------------------------------------------------
 // functions
 // ----------------------------------------------------------------------------
@@ -178,7 +181,6 @@ IMPLEMENT_IUNKNOWN_METHODS(wxIEnumFORMATETC)
 
 wxIEnumFORMATETC::wxIEnumFORMATETC(const wxDataFormat *formats, ULONG nCount)
 {
-    m_cRef = 0;
     m_nCurrent = 0;
     m_nCount = nCount;
     m_formats = new CLIPFORMAT[nCount];
@@ -269,7 +271,6 @@ IMPLEMENT_IUNKNOWN_METHODS(wxIDataObject)
 
 wxIDataObject::wxIDataObject(wxDataObject *pDataObject)
 {
-    m_cRef = 0;
     m_pDataObject = pDataObject;
     m_mustDelete = FALSE;
 }
@@ -294,7 +295,7 @@ STDMETHODIMP wxIDataObject::GetData(FORMATETC *pformatetcIn, STGMEDIUM *pmedium)
 
     // for the bitmaps and metafiles we use the handles instead of global memory
     // to pass the data
-    wxDataFormat format = (wxDataFormatId)pformatetcIn->cfFormat;
+    wxDataFormat format = (wxDataFormat::NativeFormat)pformatetcIn->cfFormat;
 
     switch ( format )
     {
@@ -329,7 +330,9 @@ STDMETHODIMP wxIDataObject::GetData(FORMATETC *pformatetcIn, STGMEDIUM *pmedium)
             if ( !format.IsStandard() ) {
                 // for custom formats, put the size with the data - alloc the
                 // space for it
-                size += sizeof(size_t);
+                // MB: not completely sure this is correct,
+                //     even if I can't figure out what's wrong
+                size += m_pDataObject->GetBufferOffset( format );
             }
 
             HGLOBAL hGlobal = GlobalAlloc(GMEM_MOVEABLE | GMEM_SHARE, size);
@@ -391,14 +394,12 @@ STDMETHODIMP wxIDataObject::GetDataHere(FORMATETC *pformatetc,
                     return E_OUTOFMEMORY;
                 }
 
-                if ( !wxDataFormat(pformatetc->cfFormat).IsStandard() ) {
+                wxDataFormat format = pformatetc->cfFormat;
+                if ( !format.IsStandard() ) {
                     // for custom formats, put the size with the data
-                    size_t *p = (size_t *)pBuf;
-                    *p++ = GlobalSize(hGlobal);
-                    pBuf = p;
+                    pBuf = m_pDataObject->SetSizeInBuffer( pBuf, GlobalSize(hGlobal), format );
                 }
 
-                wxDataFormat format = pformatetc->cfFormat;
                 if ( !m_pDataObject->GetDataHere(format, pBuf) )
                     return E_UNEXPECTED;
 
@@ -448,7 +449,7 @@ STDMETHODIMP wxIDataObject::SetData(FORMATETC *pformatetc,
                 }
 
                 // copy data
-                void *pBuf = GlobalLock(pmedium->hGlobal);
+                const void *pBuf = GlobalLock(pmedium->hGlobal);
                 if ( pBuf == NULL ) {
                     wxLogLastError(wxT("GlobalLock"));
 
@@ -469,10 +470,11 @@ STDMETHODIMP wxIDataObject::SetData(FORMATETC *pformatetc,
                         break;
 #if !defined(__WATCOMC__) && ! (defined(__BORLANDC__) && (__BORLANDC__ < 0x500))
                     case CF_UNICODETEXT:
-#if (defined(__BORLANDC__) && (__BORLANDC__ > 0x530))
-                        size = std::wcslen((const wchar_t *)pBuf);
+#if ( defined(__BORLANDC__) && (__BORLANDC__ > 0x530) ) \
+    || ( defined(__MWERKS__) && defined(__WXMSW__) )
+                        size = std::wcslen((const wchar_t *)pBuf) * sizeof(wchar_t);
 #else
-                        size = ::wcslen((const wchar_t *)pBuf);
+                        size = ::wcslen((const wchar_t *)pBuf) * sizeof(wchar_t);
 #endif
                         break;
 #endif
@@ -496,12 +498,10 @@ STDMETHODIMP wxIDataObject::SetData(FORMATETC *pformatetc,
                     default:
                         {
                             // we suppose that the size precedes the data
-                            size_t *p = (size_t *)pBuf;
-                            size = *p++;
-                            pBuf = p;
+                            pBuf = m_pDataObject->GetSizeFromBuffer( pBuf, &size, format );
                             if (! format.IsStandard() ) {
                                 // see GetData for coresponding increment
-                                size -= sizeof(size_t);
+                                size -= m_pDataObject->GetBufferOffset( format  );
                             }
                         }
                 }
@@ -558,7 +558,7 @@ STDMETHODIMP wxIDataObject::QueryGetData(FORMATETC *pformatetc)
     // the only one allowed by current COM implementation
     if ( pformatetc->lindex != -1 ) {
         wxLogTrace(wxTRACE_OleCalls,
-                   wxT("wxIDataObject::QueryGetData: bad lindex %d"),
+                   wxT("wxIDataObject::QueryGetData: bad lindex %ld"),
                    pformatetc->lindex);
 
         return DV_E_LINDEX;
@@ -567,7 +567,7 @@ STDMETHODIMP wxIDataObject::QueryGetData(FORMATETC *pformatetc)
     // we don't support anything other (THUMBNAIL, ICON, DOCPRINT...)
     if ( pformatetc->dwAspect != DVASPECT_CONTENT ) {
         wxLogTrace(wxTRACE_OleCalls,
-                   wxT("wxIDataObject::QueryGetData: bad dwAspect %d"),
+                   wxT("wxIDataObject::QueryGetData: bad dwAspect %ld"),
                    pformatetc->dwAspect);
 
         return DV_E_DVASPECT;
@@ -687,6 +687,29 @@ void wxDataObject::SetAutoDelete()
     m_pIDataObject = NULL;
 }
 
+size_t wxDataObject::GetBufferOffset( const wxDataFormat& WXUNUSED(format) )
+{
+    return sizeof(size_t);
+}
+
+const void* wxDataObject::GetSizeFromBuffer( const void* buffer, size_t* size,
+                                             const wxDataFormat& WXUNUSED(format) )
+{
+    size_t* p = (size_t*)buffer;
+    *size = *p;
+
+    return p + 1;
+}
+
+void* wxDataObject::SetSizeInBuffer( void* buffer, size_t size,
+                                       const wxDataFormat& WXUNUSED(format) )
+{
+    size_t* p = (size_t*)buffer;
+    *p = size;
+
+    return p + 1;
+}
+
 #ifdef __WXDEBUG__
 
 const wxChar *wxDataObject::GetFormatName(wxDataFormat format)
@@ -1044,13 +1067,55 @@ bool wxFileDataObject::GetDataHere(void *pData) const
 // wxURLDataObject
 // ----------------------------------------------------------------------------
 
+class CFSTR_SHELLURLDataObject : public wxCustomDataObject
+{
+public:
+    CFSTR_SHELLURLDataObject() : wxCustomDataObject(CFSTR_SHELLURL) {}
+protected:
+    virtual size_t GetBufferOffset( const wxDataFormat& WXUNUSED(format) )
+    {
+        return 0;
+    }
+
+    virtual const void* GetSizeFromBuffer( const void* buffer, size_t* size,
+                                           const wxDataFormat& WXUNUSED(format) )
+    {
+        // CFSTR_SHELLURL is _always_ ANSI text
+        *size = strlen( (const char*)buffer );
+
+        return buffer;
+    }
+
+    virtual void* SetSizeInBuffer( void* buffer, size_t WXUNUSED(size),
+                                   const wxDataFormat& WXUNUSED(format) )
+    {
+        return buffer;
+    }
+
+#if wxUSE_UNICODE
+    virtual bool GetDataHere( void* buffer ) const
+    {
+        // CFSTR_SHELLURL is _always_ ANSI!
+        wxCharBuffer char_buffer( GetDataSize() );
+        wxCustomDataObject::GetDataHere( (void*)char_buffer.data() );
+        wxString unicode_buffer( char_buffer, wxConvLibc );
+        memcpy( buffer, unicode_buffer.c_str(),
+                ( unicode_buffer.length() + 1 ) * sizeof(wxChar) );
+
+        return TRUE;
+    }
+#endif
+};
+
+
+
 wxURLDataObject::wxURLDataObject()
 {
     // we support CF_TEXT and CFSTR_SHELLURL formats which are basicly the same
-    // but it seems that some browsers only providene of them so we have to
+    // but it seems that some browsers only provide one of them so we have to
     // support both
-    Add(new wxCustomDataObject(CFSTR_SHELLURL));
     Add(new wxTextDataObject);
+    Add(new CFSTR_SHELLURLDataObject());
 
     // we don't have any data yet
     m_dataObjectLast = NULL;
@@ -1075,12 +1140,23 @@ wxString wxURLDataObject::GetURL() const
 
     size_t len = m_dataObjectLast->GetDataSize();
 
-    m_dataObjectLast->GetDataHere(url.GetWriteBuf(len + 1));
+    m_dataObjectLast->GetDataHere(url.GetWriteBuf(len));
     url.UngetWriteBuf();
 
     return url;
 }
 
+void wxURLDataObject::SetURL(const wxString& url)
+{
+    SetData(wxDataFormat(wxUSE_UNICODE ? wxDF_UNICODETEXT : wxDF_TEXT),
+            url.Length()+1, url.c_str());
+
+    // CFSTR_SHELLURL is always supposed to be ANSI...
+    wxWX2MBbuf urlA = (wxWX2MBbuf)url.mbc_str();
+    size_t len = strlen(urlA);
+    SetData(wxDataFormat(CFSTR_SHELLURL), len+1, (const char*)urlA);
+}
+
 // ----------------------------------------------------------------------------
 // private functions
 // ----------------------------------------------------------------------------
@@ -1194,8 +1270,15 @@ wxBitmap wxConvertDIBToBitmap(const LPBITMAPINFO pbmi)
     // BITMAPINFO starts with BITMAPINFOHEADER followed by colour info
     const BITMAPINFOHEADER *pbmih = &pbmi->bmiHeader;
 
+    // biClrUsed has the number of colors, unless it's 0
+    int numColors = pbmih->biClrUsed;
+    if (numColors==0)
+    {
+        numColors = wxGetNumOfBitmapColors(pbmih->biBitCount);
+    }
+
     // offset of image from the beginning of the header
-    DWORD ofs = wxGetNumOfBitmapColors(pbmih->biBitCount) * sizeof(RGBQUAD);
+    DWORD ofs = numColors * sizeof(RGBQUAD);
     void *image = (char *)pbmih + sizeof(BITMAPINFOHEADER) + ofs;
 
     ScreenHDC hdc;