include/wx/mac/classic/dataobj2.h

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        os2/dataobj2.h
   3 // Purpose:     declaration of standard wxDataObjectSimple-derived classes
   4 // Author:      David Webster (adapted from Robert Roebling's gtk port
   5 // Modified by:
   6 // Created:     10/21/99
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) 1998, 1999 Vadim Zeitlin, Robert Roebling
   9 // Licence:     wxWindows licence
  10 ///////////////////////////////////////////////////////////////////////////////
  11
  12 #ifndef _WX_GTK_DATAOBJ2_H_
  13 #define _WX_GTK_DATAOBJ2_H_
  14
  15 // ----------------------------------------------------------------------------
  16 // wxBitmapDataObject is a specialization of wxDataObject for bitmaps
  17 // ----------------------------------------------------------------------------
  18
  19 class WXDLLEXPORT wxBitmapDataObject : public wxBitmapDataObjectBase
  20 {
  21 public:
  22     // ctors
  23     wxBitmapDataObject();
  24     wxBitmapDataObject(const wxBitmap& bitmap);
  25
  26     // destr
  27     virtual ~wxBitmapDataObject();
  28
  29     // override base class virtual to update PNG data too
  30     virtual void SetBitmap(const wxBitmap& bitmap);
  31
  32     // implement base class pure virtuals
  33     // ----------------------------------
  34
  35     virtual size_t GetDataSize() const ;
  36     virtual bool GetDataHere(void *buf) const ;
  37     virtual bool SetData(size_t len, const void *buf);
  38
  39 protected :
  40     void Init() ;
  41     void Clear() ;
  42
  43     void* m_pictHandle ;
  44     bool m_pictCreated ;
  45 private:
  46     // Virtual function hiding supression
  47     size_t GetDataSize(const wxDataFormat& rFormat) const
  48     { return(wxDataObjectSimple::GetDataSize(rFormat)); }
  49     bool GetDataHere(const wxDataFormat& rFormat, void* pBuf) const
  50     { return(wxDataObjectSimple::GetDataHere(rFormat, pBuf)); }
  51     bool SetData(const wxDataFormat& rFormat, size_t nLen, const void* pBuf)
  52     { return(wxDataObjectSimple::SetData(rFormat, nLen, pBuf)); }
  53 };
  54
  55 // ----------------------------------------------------------------------------
  56 // wxFileDataObject is a specialization of wxDataObject for file names
  57 // ----------------------------------------------------------------------------
  58
  59 class WXDLLEXPORT wxFileDataObject : public wxFileDataObjectBase
  60 {
  61 public:
  62     // implement base class pure virtuals
  63     // ----------------------------------
  64
  65     void AddFile( const wxString &filename );
  66
  67     virtual size_t GetDataSize() const;
  68     virtual bool GetDataHere(void *buf) const;
  69     virtual bool SetData(size_t len, const void *buf);
  70
  71 private:
  72     // Virtual function hiding supression
  73     size_t GetDataSize(const wxDataFormat& rFormat) const
  74     { return(wxDataObjectSimple::GetDataSize(rFormat)); }
  75     bool GetDataHere(const wxDataFormat& rFormat, void* pBuf) const
  76     { return(wxDataObjectSimple::GetDataHere(rFormat, pBuf)); }
  77     bool SetData(const wxDataFormat& rFormat, size_t nLen, const void* pBuf)
  78     { return(wxDataObjectSimple::SetData(rFormat, nLen, pBuf)); }
  79 };
  80
  81 #endif // _WX_GTK_DATAOBJ2_H_
  82