// Created: 10.05.98
// RCS-ID: $Id$
// Copyright: (c) 1998 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
-// Licence: wxWidgets licence
+// Licence: wxWindows licence
///////////////////////////////////////////////////////////////////////////////
// ============================================================================
// headers
// ----------------------------------------------------------------------------
-#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
- #pragma implementation "dataobj.h"
-#endif
-
// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
#ifndef WX_PRECOMP
#include "wx/intl.h"
#include "wx/log.h"
+ #include "wx/utils.h"
+ #include "wx/wxcrtvararg.h"
#endif
#include "wx/dataobj.h"
#include "wx/msw/dib.h"
#ifndef CFSTR_SHELLURL
-#define CFSTR_SHELLURL _T("UniformResourceLocator")
+#define CFSTR_SHELLURL wxT("UniformResourceLocator")
#endif
// ----------------------------------------------------------------------------
// functions
// ----------------------------------------------------------------------------
-#ifdef __WXDEBUG__
+#if wxDEBUG_LEVEL
static const wxChar *GetTymedName(DWORD tymed);
-#else // !Debug
+#else // !wxDEBUG_LEVEL
#define GetTymedName(tymed) wxEmptyString
-#endif // Debug/!Debug
+#endif // wxDEBUG_LEVEL/!wxDEBUG_LEVEL
// ----------------------------------------------------------------------------
// wxIEnumFORMATETC interface implementation
wxIEnumFORMATETC(const wxDataFormat* formats, ULONG nCount);
virtual ~wxIEnumFORMATETC() { delete [] m_formats; }
- DECLARE_IUNKNOWN_METHODS;
-
// IEnumFORMATETC
STDMETHODIMP Next(ULONG celt, FORMATETC *rgelt, ULONG *pceltFetched);
STDMETHODIMP Skip(ULONG celt);
STDMETHODIMP Reset();
STDMETHODIMP Clone(IEnumFORMATETC **ppenum);
+ DECLARE_IUNKNOWN_METHODS;
+
private:
CLIPFORMAT *m_formats; // formats we can provide data in
ULONG m_nCount, // number of formats we support
m_nCurrent; // current enum position
- DECLARE_NO_COPY_CLASS(wxIEnumFORMATETC)
+ wxDECLARE_NO_COPY_CLASS(wxIEnumFORMATETC);
};
// ----------------------------------------------------------------------------
virtual ~wxIDataObject();
// normally, wxDataObject controls our lifetime (i.e. we're deleted when it
- // is), but in some cases, the situation is inversed, that is we delete it
+ // is), but in some cases, the situation is reversed, that is we delete it
// when this object is deleted - setting this flag enables such logic
- void SetDeleteFlag() { m_mustDelete = TRUE; }
-
- DECLARE_IUNKNOWN_METHODS;
+ void SetDeleteFlag() { m_mustDelete = true; }
// IDataObject
STDMETHODIMP GetData(FORMATETC *pformatetcIn, STGMEDIUM *pmedium);
STDMETHODIMP DUnadvise(DWORD dwConnection);
STDMETHODIMP EnumDAdvise(IEnumSTATDATA **ppenumAdvise);
+ DECLARE_IUNKNOWN_METHODS;
+
private:
wxDataObject *m_pDataObject; // pointer to C++ class we belong to
bool m_mustDelete;
- DECLARE_NO_COPY_CLASS(wxIDataObject)
+ wxDECLARE_NO_COPY_CLASS(wxIDataObject);
};
// ============================================================================
// wxDataFormat
// ----------------------------------------------------------------------------
-void wxDataFormat::SetId(const wxChar *format)
+void wxDataFormat::SetId(const wxString& format)
{
- m_format = (wxDataFormat::NativeFormat)::RegisterClipboardFormat(format);
+ m_format = (wxDataFormat::NativeFormat)::RegisterClipboardFormat(format.wx_str());
if ( !m_format )
{
wxLogError(_("Couldn't register clipboard format '%s'."), format);
if ( !len )
{
wxLogError(_("The clipboard format '%d' doesn't exist."), m_format);
+ return wxEmptyString;
}
return s;
wxIDataObject::wxIDataObject(wxDataObject *pDataObject)
{
m_pDataObject = pDataObject;
- m_mustDelete = FALSE;
+ m_mustDelete = false;
}
wxIDataObject::~wxIDataObject()
return DV_E_FORMATETC;
}
- if ( !format.IsStandard() ) {
- // for custom formats, put the size with the data - alloc the
- // space for it
- // MB: not completely sure this is correct,
- // even if I can't figure out what's wrong
- size += m_pDataObject->GetBufferOffset( format );
- }
+ // we may need extra space for the buffer size
+ size += m_pDataObject->GetBufferOffset( format );
HGLOBAL hGlobal = GlobalAlloc(GMEM_MOVEABLE | GMEM_SHARE, size);
if ( hGlobal == NULL ) {
}
wxDataFormat format = pformatetc->cfFormat;
- if ( !format.IsStandard() ) {
- // for custom formats, put the size with the data
- pBuf = m_pDataObject->SetSizeInBuffer( pBuf, GlobalSize(hGlobal), format );
- }
+
+ // possibly put the size in the beginning of the buffer
+ pBuf = m_pDataObject->SetSizeInBuffer
+ (
+ pBuf,
+ ::GlobalSize(hGlobal),
+ format
+ );
if ( !m_pDataObject->GetDataHere(format, pBuf) )
return E_UNEXPECTED;
case CF_OEMTEXT:
size = strlen((const char *)pBuf);
break;
-#if !defined(__WATCOMC__) && ! (defined(__BORLANDC__) && (__BORLANDC__ < 0x500))
+#if !(defined(__BORLANDC__) && (__BORLANDC__ < 0x500))
case CF_UNICODETEXT:
#if ( defined(__BORLANDC__) && (__BORLANDC__ > 0x530) ) \
|| ( defined(__MWERKS__) && defined(__WXMSW__) )
break;
#endif
default:
- {
- // we suppose that the size precedes the data
- pBuf = m_pDataObject->GetSizeFromBuffer( pBuf, &size, format );
- if (! format.IsStandard() ) {
- // see GetData for coresponding increment
- size -= m_pDataObject->GetBufferOffset( format );
- }
- }
+ pBuf = m_pDataObject->
+ GetSizeFromBuffer(pBuf, &size, format);
+ size -= m_pDataObject->GetBufferOffset(format);
}
bool ok = m_pDataObject->SetData(format, size, pBuf);
wxDataObject::Direction dir = dwDir == DATADIR_GET ? wxDataObject::Get
: wxDataObject::Set;
- size_t nFormatCount = m_pDataObject->GetFormatCount(dir);
+ ULONG nFormatCount = wx_truncate_cast(ULONG, m_pDataObject->GetFormatCount(dir));
wxDataFormat format;
wxDataFormat *formats;
formats = nFormatCount == 1 ? &format : new wxDataFormat[nFormatCount];
m_pIDataObject = NULL;
}
-size_t wxDataObject::GetBufferOffset( const wxDataFormat& WXUNUSED(format) )
+size_t wxDataObject::GetBufferOffset(const wxDataFormat& format )
{
- return sizeof(size_t);
+ // if we prepend the size of the data to the buffer itself, account for it
+ return NeedsVerbatimData(format) ? 0 : sizeof(size_t);
}
-const void* wxDataObject::GetSizeFromBuffer( const void* buffer, size_t* size,
- const wxDataFormat& WXUNUSED(format) )
+const void *wxDataObject::GetSizeFromBuffer(const void *buffer,
+ size_t *size,
+ const wxDataFormat& WXUNUSED(format))
{
- size_t* p = (size_t*)buffer;
- *size = *p;
+ // hack: the third parameter is declared non-const in Wine's headers so
+ // cast away the const
+ const size_t realsz = ::HeapSize(::GetProcessHeap(), 0,
+ const_cast<void*>(buffer));
+ if ( realsz == (size_t)-1 )
+ {
+ // note that HeapSize() does not set last error
+ wxLogApiError(wxT("HeapSize"), 0);
+ return NULL;
+ }
- return p + 1;
+ *size = realsz;
+
+ return buffer;
}
void* wxDataObject::SetSizeInBuffer( void* buffer, size_t size,
- const wxDataFormat& WXUNUSED(format) )
+ const wxDataFormat& format )
{
- size_t* p = (size_t*)buffer;
- *p = size;
+ size_t* p = (size_t *)buffer;
+ if ( !NeedsVerbatimData(format) )
+ {
+ // prepend the size to the data and skip it
+ *p++ = size;
+ }
- return p + 1;
+ return p;
}
-#ifdef __WXDEBUG__
+#if wxDEBUG_LEVEL
const wxChar *wxDataObject::GetFormatName(wxDataFormat format)
{
#endif // VC++
}
-#endif // Debug
+#endif // wxDEBUG_LEVEL
// ----------------------------------------------------------------------------
// wxBitmapDataObject supports CF_DIB format
return wxDIB::ConvertFromBitmap(pbi, GetHbitmapOf(GetBitmap())) != 0;
#else
- return FALSE;
+ wxUnusedVar(buf);
+ return false;
#endif
}
SetBitmap(bitmap);
- return TRUE;
+ return true;
#else
- return FALSE;
+ wxUnusedVar(buf);
+ return false;
#endif
}
// we put a bitmap handle into pBuf
*(WXHBITMAP *)pBuf = GetBitmap().GetHBITMAP();
- return TRUE;
+ return true;
}
bool wxBitmapDataObject2::SetData(size_t WXUNUSED(len), const void *pBuf)
if ( !bitmap.Ok() ) {
wxFAIL_MSG(wxT("pasting/dropping invalid bitmap"));
- return FALSE;
+ return false;
}
SetBitmap(bitmap);
- return TRUE;
+ return true;
}
#if 0
{
wxLogLastError(wxT("GetDIBits"));
- return FALSE;
+ return false;
}
}
else // CF_BITMAP
*(HBITMAP *)pBuf = hbmp;
}
- return TRUE;
+ return true;
}
bool wxBitmapDataObject::SetData(const wxDataFormat& format,
wxASSERT_MSG( m_bitmap.Ok(), wxT("pasting invalid bitmap") );
- return TRUE;
+ return true;
}
#endif // 0
// wxFileDataObject
// ----------------------------------------------------------------------------
-bool wxFileDataObject::SetData(size_t WXUNUSED(size), const void *pData)
+bool wxFileDataObject::SetData(size_t WXUNUSED(size),
+ const void *WXUNUSED_IN_WINCE(pData))
{
#ifndef __WXWINCE__
m_filenames.Empty();
}
}
- return TRUE;
+ return true;
#else
- return FALSE;
+ return false;
#endif
}
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
// if no filenames in list, size is 0
- if ( m_filenames.GetCount() == 0 )
+ if ( m_filenames.empty() )
return 0;
+#if wxUSE_UNICODE_MSLU
+ size_t sizeOfChar;
+ if ( wxGetOsVersion() == wxOS_WINDOWS_9X )
+ {
+ // Win9x always uses ANSI file names and MSLU doesn't help with this
+ sizeOfChar = sizeof(char);
+ }
+ else
+ {
+ sizeOfChar = sizeof(wxChar);
+ }
+#else // !wxUSE_UNICODE_MSLU
+ static const size_t sizeOfChar = sizeof(wxChar);
+#endif // wxUSE_UNICODE_MSLU/!wxUSE_UNICODE_MSLU
+
// inital size of DROPFILES struct + null byte
- size_t sz = sizeof(DROPFILES) + 1;
+ size_t sz = sizeof(DROPFILES) + sizeOfChar;
- size_t count = m_filenames.GetCount();
+ const size_t count = m_filenames.size();
for ( size_t i = 0; i < count; i++ )
{
// add filename length plus null byte
- sz += m_filenames[i].Len() + 1;
+ size_t len;
+#if wxUSE_UNICODE_MSLU
+ if ( sizeOfChar == sizeof(char) )
+ len = strlen(m_filenames[i].mb_str(*wxConvFileName));
+ else
+#endif // wxUSE_UNICODE_MSLU
+ len = m_filenames[i].length();
+
+ sz += (len + 1) * sizeOfChar;
}
return sz;
#endif
}
-bool wxFileDataObject::GetDataHere(void *pData) const
+bool wxFileDataObject::GetDataHere(void *WXUNUSED_IN_WINCE(pData)) const
{
#ifndef __WXWINCE__
// pData points to an externally allocated memory block
// created using the size returned by GetDataSize()
// if pData is NULL, or there are no files, return
- if ( !pData || m_filenames.GetCount() == 0 )
- return FALSE;
+ if ( !pData || m_filenames.empty() )
+ return false;
// convert data pointer to a DROPFILES struct pointer
LPDROPFILES pDrop = (LPDROPFILES) pData;
// initialize DROPFILES struct
pDrop->pFiles = sizeof(DROPFILES);
pDrop->fNC = FALSE; // not non-client coords
-#if wxUSE_UNICODE
- pDrop->fWide = TRUE;
-#else // ANSI
- pDrop->fWide = FALSE;
-#endif // Unicode/Ansi
+#if wxUSE_UNICODE_MSLU
+ pDrop->fWide = wxGetOsVersion() != wxOS_WINDOWS_9X ? TRUE : FALSE;
+#else
+ pDrop->fWide = wxUSE_UNICODE;
+#endif
+
+ const size_t sizeOfChar = pDrop->fWide ? sizeof(wchar_t) : sizeof(char);
// set start of filenames list (null separated)
- wxChar *pbuf = (wxChar*) ((BYTE *)pDrop + sizeof(DROPFILES));
+ BYTE *pbuf = (BYTE *)(pDrop + 1);
- size_t count = m_filenames.GetCount();
- for (size_t i = 0; i < count; i++ )
+ const size_t count = m_filenames.size();
+ for ( size_t i = 0; i < count; i++ )
{
// copy filename to pbuf and add null terminator
- size_t len = m_filenames[i].Len();
- memcpy(pbuf, m_filenames[i], len*sizeof(wxChar));
- pbuf += len;
- *pbuf++ = wxT('\0');
+ size_t len;
+#if wxUSE_UNICODE_MSLU
+ if ( sizeOfChar == sizeof(char) )
+ {
+ wxCharBuffer buf(m_filenames[i].mb_str(*wxConvFileName));
+ len = strlen(buf);
+ memcpy(pbuf, buf, len*sizeOfChar);
+ }
+ else
+#endif // wxUSE_UNICODE_MSLU
+ {
+ len = m_filenames[i].length();
+ memcpy(pbuf, m_filenames[i].wx_str(), len*sizeOfChar);
+ }
+
+ pbuf += len*sizeOfChar;
+
+ memset(pbuf, 0, sizeOfChar);
+ pbuf += sizeOfChar;
}
// add final null terminator
- *pbuf = wxT('\0');
+ memset(pbuf, 0, sizeOfChar);
- return TRUE;
+ return true;
#else
- return FALSE;
+ return false;
#endif
}
// wxURLDataObject
// ----------------------------------------------------------------------------
+// Work around bug in Wine headers
+#if defined(__WINE__) && defined(CFSTR_SHELLURL) && wxUSE_UNICODE
+#undef CFSTR_SHELLURL
+#define CFSTR_SHELLURL wxT("CFSTR_SHELLURL")
+#endif
+
class CFSTR_SHELLURLDataObject : public wxCustomDataObject
{
public:
CFSTR_SHELLURLDataObject() : wxCustomDataObject(CFSTR_SHELLURL) {}
-protected:
+
virtual size_t GetBufferOffset( const wxDataFormat& WXUNUSED(format) )
{
return 0;
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;
- }
- virtual bool GetDataHere(const wxDataFormat& WXUNUSED(format),
- void *buf) const
- { return GetDataHere(buf); }
-#endif
-
- DECLARE_NO_COPY_CLASS(CFSTR_SHELLURLDataObject)
+ wxDECLARE_NO_COPY_CLASS(CFSTR_SHELLURLDataObject);
};
-wxURLDataObject::wxURLDataObject()
+wxURLDataObject::wxURLDataObject(const wxString& url)
{
- // we support CF_TEXT and CFSTR_SHELLURL formats which are basicly the same
- // but it seems that some browsers only provide one of them so we have to
- // support both
+ // we support CF_TEXT and CFSTR_SHELLURL formats which are basically the
+ // same but it seems that some browsers only provide one of them so we have
+ // to support both
Add(new wxTextDataObject);
Add(new CFSTR_SHELLURLDataObject());
// we don't have any data yet
m_dataObjectLast = NULL;
+
+ if ( !url.empty() )
+ SetURL(url);
}
bool wxURLDataObject::SetData(const wxDataFormat& format,
wxString wxURLDataObject::GetURL() const
{
wxString url;
- wxCHECK_MSG( m_dataObjectLast, url, _T("no data in wxURLDataObject") );
+ wxCHECK_MSG( m_dataObjectLast, url, wxT("no data in wxURLDataObject") );
- size_t len = m_dataObjectLast->GetDataSize();
+ if ( m_dataObjectLast->GetPreferredFormat() == CFSTR_SHELLURL )
+ {
+ const size_t len = m_dataObjectLast->GetDataSize();
+ if ( !len )
+ return wxString();
- m_dataObjectLast->GetDataHere(wxStringBuffer(url, len));
+ // CFSTR_SHELLURL is always ANSI so we need to convert it from it in
+ // Unicode build
+#if wxUSE_UNICODE
+ wxCharBuffer buf(len);
+
+ if ( m_dataObjectLast->GetDataHere(buf.data()) )
+ url = buf;
+#else // !wxUSE_UNICODE
+ // in ANSI build no conversion is necessary
+ m_dataObjectLast->GetDataHere(wxStringBuffer(url, len));
+#endif // wxUSE_UNICODE/!wxUSE_UNICODE
+ }
+ else // must be wxTextDataObject
+ {
+ url = static_cast<wxTextDataObject *>(m_dataObjectLast)->GetText();
+ }
return url;
}
void wxURLDataObject::SetURL(const wxString& url)
{
- SetData(wxDataFormat(wxUSE_UNICODE ? wxDF_UNICODETEXT : wxDF_TEXT),
- url.Length()+1, url.c_str());
+ wxCharBuffer urlMB(url.mb_str());
+ if ( urlMB )
+ {
+ const size_t len = strlen(urlMB);
+
+#if !wxUSE_UNICODE
+ // wxTextDataObject takes the number of characters in the string, not
+ // the size of the buffer (which would be len+1)
+ SetData(wxDF_TEXT, len, urlMB);
+#endif // !wxUSE_UNICODE
+
+ // however CFSTR_SHELLURLDataObject doesn't append NUL automatically
+ // but we probably still want to have it on the clipboard (just to be
+ // safe), so do append it
+ SetData(wxDataFormat(CFSTR_SHELLURL), len + 1, urlMB);
+ }
- // 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);
+#if wxUSE_UNICODE
+ SetData(wxDF_UNICODETEXT, url.length()*sizeof(wxChar), url.wc_str());
+#endif
}
// ----------------------------------------------------------------------------
// private functions
// ----------------------------------------------------------------------------
-#ifdef __WXDEBUG__
+#if wxDEBUG_LEVEL
static const wxChar *GetTymedName(DWORD tymed)
{
#endif // Debug
#else // not using OLE at all
+
// ----------------------------------------------------------------------------
// wxDataObject
// ----------------------------------------------------------------------------
{
}
-#ifdef __WXDEBUG__
-const wxChar *wxDataObject::GetFormatName(wxDataFormat format)
+const wxChar *wxDataObject::GetFormatName(wxDataFormat WXUNUSED(format))
{
return NULL;
}
-#endif
-#endif
+#endif // wxUSE_DATAOBJ
+
+#endif // wxUSE_OLE/!wxUSE_OLE
-#endif
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