include/wx/osx/dataobj2.h

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        wx/osx/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 // Copyright:   (c) 1998, 1999 Vadim Zeitlin, Robert Roebling
   8 // Licence:     wxWindows licence
   9 ///////////////////////////////////////////////////////////////////////////////
  10
  11 #ifndef _WX_MAC_DATAOBJ2_H_
  12 #define _WX_MAC_DATAOBJ2_H_
  13
  14 // ----------------------------------------------------------------------------
  15 // wxBitmapDataObject is a specialization of wxDataObject for bitmaps
  16 // ----------------------------------------------------------------------------
  17
  18 class WXDLLIMPEXP_CORE wxBitmapDataObject : public wxBitmapDataObjectBase
  19 {
  20 public:
  21     // ctors
  22     wxBitmapDataObject();
  23     wxBitmapDataObject(const wxBitmap& bitmap);
  24
  25     // destr
  26     virtual ~wxBitmapDataObject();
  27
  28     // override base class virtual to update PNG data too
  29     virtual void SetBitmap(const wxBitmap& bitmap);
  30
  31     // implement base class pure virtuals
  32     // ----------------------------------
  33
  34     virtual size_t GetDataSize() const ;
  35     virtual bool GetDataHere(void *buf) const ;
  36     virtual bool SetData(size_t len, const void *buf);
  37     // Must provide overloads to avoid hiding them (and warnings about it)
  38     virtual size_t GetDataSize(const wxDataFormat&) const
  39     {
  40         return GetDataSize();
  41     }
  42     virtual bool GetDataHere(const wxDataFormat&, void *buf) const
  43     {
  44         return GetDataHere(buf);
  45     }
  46     virtual bool SetData(const wxDataFormat&, size_t len, const void *buf)
  47     {
  48         return SetData(len, buf);
  49     }
  50
  51 protected :
  52     void Init() ;
  53     void Clear() ;
  54
  55     void* m_pictHandle ;
  56     bool m_pictCreated ;
  57 };
  58
  59 // ----------------------------------------------------------------------------
  60 // wxFileDataObject is a specialization of wxDataObject for file names
  61 // ----------------------------------------------------------------------------
  62
  63 class WXDLLIMPEXP_CORE 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     // Must provide overloads to avoid hiding them (and warnings about it)
  75     virtual size_t GetDataSize(const wxDataFormat&) const
  76     {
  77         return GetDataSize();
  78     }
  79     virtual bool GetDataHere(const wxDataFormat&, void *buf) const
  80     {
  81         return GetDataHere(buf);
  82     }
  83     virtual bool SetData(const wxDataFormat&, size_t len, const void *buf)
  84     {
  85         return SetData(len, buf);
  86     }
  87 protected:
  88     // translates the filenames stored into a utf8 encoded char stream
  89     void GetFileNames(wxCharBuffer &buf) const ;
  90 };
  91
  92 #endif // _WX_MAC_DATAOBJ2_H_
  93