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 #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
  16     #pragma interface "dataobj.h"
  17 #endif
  18
  19 // ----------------------------------------------------------------------------
  20 // wxBitmapDataObject is a specialization of wxDataObject for bitmaps
  21 // ----------------------------------------------------------------------------
  22
  23 class WXDLLEXPORT wxBitmapDataObject : public wxBitmapDataObjectBase
  24 {
  25 public:
  26     // ctors
  27     wxBitmapDataObject();
  28     wxBitmapDataObject(const wxBitmap& bitmap);
  29
  30     // destr
  31     ~wxBitmapDataObject();
  32
  33     // override base class virtual to update PNG data too
  34     virtual void SetBitmap(const wxBitmap& bitmap);
  35
  36     // implement base class pure virtuals
  37     // ----------------------------------
  38
  39     virtual size_t GetDataSize() const ;
  40     virtual bool GetDataHere(void *buf) const ;
  41     virtual bool SetData(size_t len, const void *buf);
  42
  43 protected :
  44     void Init() ;
  45     void Clear() ;
  46
  47     void* m_pictHandle ;
  48     bool m_pictCreated ;
  49 private:
  50     // Virtual function hiding supression
  51     size_t GetDataSize(const wxDataFormat& rFormat) const
  52     { return(wxDataObjectSimple::GetDataSize(rFormat)); }
  53     bool GetDataHere(const wxDataFormat& rFormat, void* pBuf) const
  54     { return(wxDataObjectSimple::GetDataHere(rFormat, pBuf)); }
  55     bool SetData(const wxDataFormat& rFormat, size_t nLen, const void* pBuf)
  56     { return(wxDataObjectSimple::SetData(rFormat, nLen, pBuf)); }
  57 };
  58
  59 // ----------------------------------------------------------------------------
  60 // wxFileDataObject is a specialization of wxDataObject for file names
  61 // ----------------------------------------------------------------------------
  62
  63 class WXDLLEXPORT wxFileDataObject : public wxFileDataObjectBase
  64 {
  65 public:
  66     // implement base class pure virtuals
  67     // ----------------------------------
  68
  69     void AddFile( const wxString &filename );
  70
  71     virtual size_t GetDataSize() const;
  72     virtual bool GetDataHere(void *buf) const;
  73     virtual bool SetData(size_t len, const void *buf);
  74
  75 private:
  76     // Virtual function hiding supression
  77     size_t GetDataSize(const wxDataFormat& rFormat) const
  78     { return(wxDataObjectSimple::GetDataSize(rFormat)); }
  79     bool GetDataHere(const wxDataFormat& rFormat, void* pBuf) const
  80     { return(wxDataObjectSimple::GetDataHere(rFormat, pBuf)); }
  81     bool SetData(const wxDataFormat& rFormat, size_t nLen, const void* pBuf)
  82     { return(wxDataObjectSimple::SetData(rFormat, nLen, pBuf)); }
  83 };
  84
  85 #endif // _WX_GTK_DATAOBJ2_H_
  86