include/wx/motif/dataobj.h

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        dataobj.h
   3 // Purpose:     declaration of the wxDataObject class
   4 // Author:      Julian Smart
   5 // RCS-ID:      $Id$
   6 // Copyright:   (c) 1998 Julian Smart
   7 // Licence:     wxWindows licence
   8 ///////////////////////////////////////////////////////////////////////////////
   9
  10 #ifndef _WX_DATAOBJ_H_
  11 #define _WX_DATAOBJ_H_
  12
  13 #ifdef __GNUG__
  14 #pragma interface
  15 #endif
  16
  17 #include "wx/defs.h"
  18 #include "wx/object.h"
  19 #include "wx/string.h"
  20 #include "wx/bitmap.h"
  21
  22 //-------------------------------------------------------------------------
  23 // classes
  24 //-------------------------------------------------------------------------
  25
  26 class WXDLLEXPORT wxDataObject;
  27 class WXDLLEXPORT wxTextDataObject;
  28 class WXDLLEXPORT wxBitmapDataObject;
  29 class WXDLLEXPORT wxPrivateDataObject;
  30 class WXDLLEXPORT wxFileDataObject;
  31
  32 //-------------------------------------------------------------------------
  33 // wxDataObject
  34 //-------------------------------------------------------------------------
  35
  36 class WXDLLEXPORT wxDataObject: public wxObject
  37 {
  38   DECLARE_ABSTRACT_CLASS( wxDataObject )
  39
  40 public:
  41
  42   wxDataObject() {}
  43   ~wxDataObject() {}
  44
  45   virtual wxDataFormat GetFormat() const = 0;
  46
  47   // implementation
  48 };
  49
  50 // ----------------------------------------------------------------------------
  51 // wxTextDataObject is a specialization of wxDataObject for text data
  52 // ----------------------------------------------------------------------------
  53
  54 class WXDLLEXPORT wxTextDataObject : public wxDataObject
  55 {
  56   DECLARE_DYNAMIC_CLASS( wxTextDataObject )
  57
  58 public:
  59
  60   wxTextDataObject() {}
  61   wxTextDataObject( const wxString& strText )
  62     : m_strText(strText) { }
  63
  64   virtual wxDataFormat GetFormat() const
  65     { return wxDF_TEXT; }
  66
  67   void SetText( const wxString& strText)
  68     { m_strText = strText; }
  69
  70   wxString GetText() const
  71     { return m_strText; }
  72
  73 private:
  74   wxString  m_strText;
  75
  76 };
  77
  78 // ----------------------------------------------------------------------------
  79 // wxFileDataObject is a specialization of wxDataObject for file names
  80 // ----------------------------------------------------------------------------
  81
  82 class WXDLLEXPORT wxFileDataObject : public wxDataObject
  83 {
  84   DECLARE_DYNAMIC_CLASS( wxFileDataObject )
  85
  86 public:
  87
  88   wxFileDataObject(void) {}
  89
  90   virtual wxDataFormat GetFormat() const
  91     { return wxDF_FILENAME; }
  92
  93   void AddFile( const wxString &file )
  94     { m_files += file; m_files += (char)0; }
  95
  96   wxString GetFiles() const
  97     { return m_files; }
  98
  99 private:
 100   wxString  m_files;
 101
 102 };
 103
 104 // ----------------------------------------------------------------------------
 105 // wxBitmapDataObject is a specialization of wxDataObject for bitmaps
 106 // ----------------------------------------------------------------------------
 107
 108 class WXDLLEXPORT wxBitmapDataObject : public wxDataObject
 109 {
 110   DECLARE_DYNAMIC_CLASS( wxBitmapDataObject )
 111
 112 public:
 113
 114   wxBitmapDataObject(void) {}
 115
 116   virtual wxDataFormat GetFormat() const
 117     { return wxDF_BITMAP; }
 118
 119   void SetBitmap( const wxBitmap &bitmap )
 120     { m_bitmap = bitmap; }
 121
 122   wxBitmap GetBitmap() const
 123     { return m_bitmap; }
 124
 125 private:
 126   wxBitmap  m_bitmap;
 127 };
 128
 129 // ----------------------------------------------------------------------------
 130 // wxPrivateDataObject is a specialization of wxDataObject for app specific data
 131 // ----------------------------------------------------------------------------
 132
 133 class WXDLLEXPORT wxPrivateDataObject : public wxDataObject
 134 {
 135   DECLARE_DYNAMIC_CLASS( wxPrivateDataObject )
 136
 137 public:
 138
 139   wxPrivateDataObject();
 140
 141   ~wxPrivateDataObject();
 142
 143   virtual wxDataFormat GetFormat() const
 144     { return wxDF_PRIVATE; }
 145
 146   // the string ID identifies the format of clipboard or DnD data. a word
 147   // processor would e.g. add a wxTextDataObject and a wxPrivateDataObject
 148   // to the clipboard - the latter with the Id "WXWORD_FORMAT".
 149
 150   void SetId( const wxString& id )
 151     { m_id = id; }
 152
 153   wxString GetId() const
 154     { return m_id; }
 155
 156   // will make internal copy
 157   void SetData( const char *data, size_t size );
 158
 159   size_t GetDataSize() const
 160     { return m_size; }
 161
 162   char* GetData() const
 163     { return m_data; }
 164
 165 private:
 166   size_t     m_size;
 167   char*      m_data;
 168   wxString   m_id;
 169 };
 170
 171
 172 #endif
 173        //_WX_DATAOBJ_H_
 174