include/wx/mac/carbon/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     ~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     // Must provide overloads to avoid hiding them (and warnings about it)
  39     virtual size_t GetDataSize(const wxDataFormat&) const
  40     {
  41         return GetDataSize();
  42     }
  43     virtual bool GetDataHere(const wxDataFormat&, void *buf) const
  44     {
  45         return GetDataHere(buf);
  46     }
  47     virtual bool SetData(const wxDataFormat&, size_t len, const void *buf)
  48     {
  49         return SetData(len, buf);
  50     }
  51
  52 protected :
  53     void Init() ;
  54     void Clear() ;
  55
  56     void* m_pictHandle ;
  57     bool m_pictCreated ;
  58 };
  59
  60 // ----------------------------------------------------------------------------
  61 // wxFileDataObject is a specialization of wxDataObject for file names
  62 // ----------------------------------------------------------------------------
  63
  64 class WXDLLEXPORT wxFileDataObject : public wxFileDataObjectBase
  65 {
  66 public:
  67     // implement base class pure virtuals
  68     // ----------------------------------
  69
  70     void AddFile( const wxString &filename );
  71
  72     virtual size_t GetDataSize() const;
  73     virtual bool GetDataHere(void *buf) const;
  74     virtual bool SetData(size_t len, const void *buf);
  75     // Must provide overloads to avoid hiding them (and warnings about it)
  76     virtual size_t GetDataSize(const wxDataFormat&) const
  77     {
  78         return GetDataSize();
  79     }
  80     virtual bool GetDataHere(const wxDataFormat&, void *buf) const
  81     {
  82         return GetDataHere(buf);
  83     }
  84     virtual bool SetData(const wxDataFormat&, size_t len, const void *buf)
  85     {
  86         return SetData(len, buf);
  87     }
  88 };
  89
  90 #endif // _WX_GTK_DATAOBJ2_H_
  91