#pragma hdrstop
#endif
+#if wxUSE_DATAOBJ
+
#ifndef WX_PRECOMP
#include "wx/app.h"
#include "wx/debug.h"
// ----------------------------------------------------------------------------
static wxDataFormat dataFormatInvalid;
-const wxDataFormat& wxFormatInvalid = dataFormatInvalid;
+WXDLLEXPORT const wxDataFormat& wxFormatInvalid = dataFormatInvalid;
// ============================================================================
// implementation
{
}
+bool wxDataObjectBase::IsSupported(const wxDataFormat& format,
+ Direction dir) const
+{
+ size_t nFormatCount = GetFormatCount(dir);
+ if ( nFormatCount == 1 )
+ {
+ return format == GetPreferredFormat(dir);
+ }
+ else
+ {
+ wxDataFormat *formats = new wxDataFormat[nFormatCount];
+ GetAllFormats(formats, dir);
+
+ size_t n;
+ for ( n = 0; n < nFormatCount; n++ )
+ {
+ if ( formats[n] == format )
+ break;
+ }
+
+ delete [] formats;
+
+ // found?
+ return n < nFormatCount;
+ }
+}
+
// ----------------------------------------------------------------------------
// wxDataObjectComposite
// ----------------------------------------------------------------------------
return dataObj->GetFormat();
}
+#if defined(__WXMSW__)
+
+size_t wxDataObjectComposite::GetBufferOffset( const wxDataFormat& format )
+{
+ wxDataObjectSimple *dataObj = GetObject(format);
+
+ wxCHECK_MSG( dataObj, FALSE,
+ wxT("unsupported format in wxDataObjectComposite"));
+
+ return dataObj->GetBufferOffset( format );
+}
+
+const void* wxDataObjectComposite::GetSizeFromBuffer( const void* buffer,
+ size_t* size,
+ const wxDataFormat& format )
+{
+ wxDataObjectSimple *dataObj = GetObject(format);
+
+ wxCHECK_MSG( dataObj, FALSE,
+ wxT("unsupported format in wxDataObjectComposite"));
+
+ return dataObj->GetSizeFromBuffer( buffer, size, format );
+}
+
+void* wxDataObjectComposite::SetSizeInBuffer( void* buffer, size_t size,
+ const wxDataFormat& format )
+{
+ wxDataObjectSimple *dataObj = GetObject(format);
+
+ wxCHECK_MSG( dataObj, FALSE,
+ wxT("unsupported format in wxDataObjectComposite"));
+
+ return dataObj->SetSizeInBuffer( buffer, size, format );
+}
+
+#endif
+
size_t wxDataObjectComposite::GetFormatCount(Direction WXUNUSED(dir)) const
{
// TODO what about the Get/Set only formats?
size_t wxTextDataObject::GetDataSize() const
{
- return GetTextLength();
+ return GetTextLength() * sizeof(wxChar);
}
bool wxTextDataObject::GetDataHere(void *buf) const
{
- strcpy((char *)buf, GetText().mb_str());
+ wxStrcpy((wxChar *)buf, GetText().c_str());
return TRUE;
}
bool wxTextDataObject::SetData(size_t WXUNUSED(len), const void *buf)
{
- SetText(wxString((const char *)buf));
+ SetText(wxString((const wxChar *)buf));
return TRUE;
}
wxCustomDataObject::wxCustomDataObject(const wxDataFormat& format)
: wxDataObjectSimple(format)
{
+ m_data = (void *)NULL;
}
-
wxCustomDataObject::~wxCustomDataObject()
{
Free();
void wxCustomDataObject::Free()
{
- delete [] m_data;
+ delete [] (char *)m_data;
m_size = 0;
m_data = (void *)NULL;
}
return TRUE;
}
+// ============================================================================
+// some common dnd related code
+// ============================================================================
+
+#if wxUSE_DRAG_AND_DROP
+
+#include "wx/dnd.h"
+
+// ----------------------------------------------------------------------------
+// wxTextDropTarget
+// ----------------------------------------------------------------------------
+
+// NB: we can't use "new" in ctor initializer lists because this provokes an
+// internal compiler error with VC++ 5.0 (hey, even gcc compiles this!),
+// so use SetDataObject() instead
+
+wxTextDropTarget::wxTextDropTarget()
+{
+ SetDataObject(new wxTextDataObject);
+}
+
+wxDragResult wxTextDropTarget::OnData(wxCoord x, wxCoord y, wxDragResult def)
+{
+ if ( !GetData() )
+ return wxDragNone;
+
+ wxTextDataObject *dobj = (wxTextDataObject *)m_dataObject;
+ return OnDropText(x, y, dobj->GetText()) ? def : wxDragNone;
+}
+
+// ----------------------------------------------------------------------------
+// wxFileDropTarget
+// ----------------------------------------------------------------------------
+
+wxFileDropTarget::wxFileDropTarget()
+{
+ SetDataObject(new wxFileDataObject);
+}
+
+wxDragResult wxFileDropTarget::OnData(wxCoord x, wxCoord y, wxDragResult def)
+{
+ if ( !GetData() )
+ return wxDragNone;
+
+ wxFileDataObject *dobj = (wxFileDataObject *)m_dataObject;
+ return OnDropFiles(x, y, dobj->GetFilenames()) ? def : wxDragNone;
+}
+
+#endif // wxUSE_DRAG_AND_DROP
+
+#endif // wxUSE_DATAOBJ