split classic and carbon

[wxWidgets.git] / src / mac / classic / dataobj.cpp

diff --git a/src/mac/classic/dataobj.cpp b/src/mac/classic/dataobj.cpp
new file mode 100644 (file)
index 0000000..64dc805
--- /dev/null
+++ b/src/mac/classic/dataobj.cpp
@@ -0,0 +1,308 @@
+///////////////////////////////////////////////////////////////////////////////
+// Name:        mac/dataobj.cpp
+// Purpose:     implementation of wxDataObject class
+// Author:      Stefan Csomor
+// Modified by:
+// Created:     10/21/99
+// RCS-ID:      $Id$
+// Copyright:   (c) 1999 Stefan Csomor
+// Licence:     wxWindows licence
+///////////////////////////////////////////////////////////////////////////////
+
+// ============================================================================
+// declarations
+// ============================================================================
+
+// ----------------------------------------------------------------------------
+// headers
+// ----------------------------------------------------------------------------
+
+#ifdef __GNUG__
+  #pragma implementation "dataobj.h"
+#endif
+
+// For compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"
+
+#ifndef WX_PRECOMP
+#include "wx/intl.h"
+#endif
+#include "wx/defs.h"
+
+#include "wx/log.h"
+#include "wx/dataobj.h"
+#include "wx/mstream.h"
+#include "wx/image.h"
+#include "wx/mac/private.h"
+#include <Scrap.h>
+
+// ----------------------------------------------------------------------------
+// functions
+// ----------------------------------------------------------------------------
+
+// ----------------------------------------------------------------------------
+// wxDataFormat
+// ----------------------------------------------------------------------------
+
+wxDataFormat::wxDataFormat()
+{
+    m_type = wxDF_INVALID;
+    m_format = 0;
+}
+
+wxDataFormat::wxDataFormat(  wxDataFormatId   vType )
+{
+    SetType(vType);
+}
+
+wxDataFormat::wxDataFormat(  const wxChar*  zId)
+{
+    SetId(zId);
+}
+
+wxDataFormat::wxDataFormat(  const wxString&   rId)
+{
+    SetId(rId);
+}
+
+wxDataFormat::wxDataFormat( NativeFormat vFormat)
+{
+    SetId(vFormat);
+}
+
+void wxDataFormat::SetType(  wxDataFormatId  Type )
+{
+    m_type = Type;
+
+    if (m_type == wxDF_TEXT )
+        m_format = kScrapFlavorTypeText;
+    else if (m_type == wxDF_UNICODETEXT )
+        m_format = kScrapFlavorTypeUnicode ;
+    else if (m_type == wxDF_BITMAP || m_type == wxDF_METAFILE )
+        m_format = kScrapFlavorTypePicture;
+    else if (m_type == wxDF_FILENAME)
+        m_format = kDragFlavorTypeHFS ;
+    else
+    {
+       wxFAIL_MSG( wxT("invalid dataformat") );
+
+       // this is '????' but it can't be used in the code because ??' is
+       // parsed as a trigraph!
+       m_format = 0x3f3f3f3f;
+    }
+}
+
+wxString wxDataFormat::GetId() const
+{
+    // note that m_format is not a pointer to string, it *is* itself a 4
+    // character string
+    char text[5] ;
+    strncpy( text , (char*) &m_format , 4 ) ;
+    text[4] = 0 ;
+
+    return wxString::FromAscii( text ) ;
+}
+
+void wxDataFormat::SetId(  NativeFormat  format )
+{
+    m_format = format;
+
+    if (m_format == kScrapFlavorTypeText)
+        m_type = wxDF_TEXT;
+    else if (m_format == kScrapFlavorTypeUnicode )
+        m_type = wxDF_UNICODETEXT;
+    else if (m_format == kScrapFlavorTypePicture)
+        m_type = wxDF_BITMAP;
+    else if (m_format == kDragFlavorTypeHFS )
+        m_type = wxDF_FILENAME;
+    else
+        m_type = wxDF_PRIVATE;
+}
+
+void wxDataFormat::SetId( const wxChar* zId )
+{
+    m_type = wxDF_PRIVATE;
+    m_format = 0;// TODO: get the format gdk_atom_intern( wxMBSTRINGCAST tmp.mbc_str(), FALSE );
+}
+
+//-------------------------------------------------------------------------
+// wxDataObject
+//-------------------------------------------------------------------------
+
+wxDataObject::wxDataObject()
+{
+}
+
+bool wxDataObject::IsSupportedFormat(
+  const wxDataFormat&               rFormat
+, Direction                         vDir
+) const
+{
+    size_t                          nFormatCount = GetFormatCount(vDir);
+
+    if (nFormatCount == 1)
+    {
+        return rFormat == GetPreferredFormat();
+    }
+    else
+    {
+        wxDataFormat* pFormats = new wxDataFormat[nFormatCount];
+        GetAllFormats( pFormats
+                      ,vDir
+                     );
+
+        size_t                      n;
+
+        for (n = 0; n < nFormatCount; n++)
+        {
+            if (pFormats[n] == rFormat)
+                break;
+        }
+
+        delete [] pFormats;
+
+        // found?
+        return n < nFormatCount;
+    }
+}
+
+// ----------------------------------------------------------------------------
+// wxFileDataObject
+// ----------------------------------------------------------------------------
+
+bool wxFileDataObject::GetDataHere(
+  void*                             pBuf
+) const
+{
+    wxString                        sFilenames;
+
+    for (size_t i = 0; i < m_filenames.GetCount(); i++)
+    {
+        sFilenames += m_filenames[i];
+        sFilenames += (wxChar)0;
+    }
+
+    memcpy(pBuf, sFilenames.mbc_str(), sFilenames.Len() + 1);
+    return TRUE;
+}
+
+size_t wxFileDataObject::GetDataSize() const
+{
+    size_t nRes = 0;
+
+    for (size_t i = 0; i < m_filenames.GetCount(); i++)
+    {
+        nRes += m_filenames[i].Len();
+        nRes += 1;
+    }
+
+    return nRes + 1;
+}
+
+bool wxFileDataObject::SetData(
+  size_t                            WXUNUSED(nSize)
+, const void*                       pBuf
+)
+{
+    m_filenames.Empty();
+
+    AddFile(wxString::FromAscii((char*)pBuf));
+
+    return TRUE;
+}
+
+void wxFileDataObject::AddFile(
+  const wxString&                   rFilename
+)
+{
+    m_filenames.Add(rFilename);
+}
+
+// ----------------------------------------------------------------------------
+// wxBitmapDataObject
+// ----------------------------------------------------------------------------
+
+wxBitmapDataObject::wxBitmapDataObject()
+{
+    Init();
+}
+
+wxBitmapDataObject::wxBitmapDataObject(
+  const wxBitmap& rBitmap
+)
+: wxBitmapDataObjectBase(rBitmap)
+{
+    Init();
+    if ( m_bitmap.Ok() )
+    {
+        m_pictHandle = m_bitmap.GetPict( &m_pictCreated ) ;
+    }
+}
+
+wxBitmapDataObject::~wxBitmapDataObject()
+{
+    Clear();
+}
+
+void wxBitmapDataObject::SetBitmap(
+  const wxBitmap&                   rBitmap
+)
+{
+    Clear();
+    wxBitmapDataObjectBase::SetBitmap(rBitmap);
+    if ( m_bitmap.Ok() )
+    {
+        m_pictHandle = m_bitmap.GetPict( &m_pictCreated ) ;
+    }
+}
+
+void wxBitmapDataObject::Init() 
+{ 
+    m_pictHandle = NULL ;
+    m_pictCreated = false ;
+} 
+
+void wxBitmapDataObject::Clear() 
+{
+    if ( m_pictCreated && m_pictHandle )
+    {
+        KillPicture( (PicHandle) m_pictHandle ) ;
+    }
+    m_pictHandle = NULL ;
+}
+
+bool wxBitmapDataObject::GetDataHere(
+  void*                             pBuf
+) const
+{
+    if (!m_pictHandle)
+    {
+        wxFAIL_MSG(wxT("attempt to copy empty bitmap failed"));
+        return FALSE;
+    }
+    memcpy(pBuf, *(Handle)m_pictHandle, GetHandleSize((Handle)m_pictHandle));
+    return TRUE;
+}
+
+size_t wxBitmapDataObject::GetDataSize() const
+{
+    return GetHandleSize((Handle)m_pictHandle) ;
+}
+
+bool wxBitmapDataObject::SetData(
+  size_t                            nSize
+, const void*                       pBuf
+)
+{
+    Clear();
+    PicHandle picHandle = (PicHandle) NewHandle( nSize ) ;
+    memcpy( *picHandle , pBuf , nSize ) ;
+    m_pictHandle = picHandle ;
+    m_pictCreated = false ;
+    Rect frame = (**picHandle).picFrame ;
+    
+    m_bitmap.SetPict( picHandle ) ;
+    m_bitmap.SetWidth( frame.right - frame.left ) ;
+    m_bitmap.SetHeight( frame.bottom - frame.top ) ;
+    return m_bitmap.Ok();
+}