include/wx/msw/ole/dataobj2.h

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        wx/msw/ole/dataobj2.h
   3 // Purpose:     second part of platform specific wxDataObject header -
   4 //              declarations of predefined wxDataObjectSimple-derived classes
   5 // Author:      Vadim Zeitlin
   6 // Modified by:
   7 // Created:     21.10.99
   8 // RCS-ID:      $Id$
   9 // Copyright:   (c) 1999 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
  10 // Licence:     wxWindows licence
  11 ///////////////////////////////////////////////////////////////////////////////
  12
  13 #ifndef _WX_MSW_OLE_DATAOBJ2_H
  14 #define _WX_MSW_OLE_DATAOBJ2_H
  15
  16 // ----------------------------------------------------------------------------
  17 // wxBitmapDataObject is a specialization of wxDataObject for bitmap data
  18 //
  19 // NB: in fact, under MSW we support CF_DIB (and not CF_BITMAP) clipboard
  20 //     format and we also provide wxBitmapDataObject2 for CF_BITMAP (which is
  21 //     rarely used). This is ugly, but I haven't found a solution for it yet.
  22 // ----------------------------------------------------------------------------
  23
  24 class WXDLLEXPORT wxBitmapDataObject : public wxBitmapDataObjectBase
  25 {
  26 public:
  27     // ctors
  28     wxBitmapDataObject(const wxBitmap& bitmap = wxNullBitmap)
  29         : wxBitmapDataObjectBase(bitmap)
  30         {
  31             SetFormat(wxDF_DIB);
  32
  33             m_data = NULL;
  34         }
  35
  36     // implement base class pure virtuals
  37     virtual size_t GetDataSize() const;
  38     virtual bool GetDataHere(void *buf) const;
  39     virtual bool SetData(size_t len, const void *buf);
  40
  41 private:
  42     // the DIB data
  43     void /* BITMAPINFO */ *m_data;
  44
  45     DECLARE_NO_COPY_CLASS(wxBitmapDataObject)
  46 };
  47
  48 // ----------------------------------------------------------------------------
  49 // wxBitmapDataObject2 - a data object for CF_BITMAP
  50 //
  51 // FIXME did I already mention it was ugly?
  52 // ----------------------------------------------------------------------------
  53
  54 class WXDLLEXPORT wxBitmapDataObject2 : public wxBitmapDataObjectBase
  55 {
  56 public:
  57     // ctors
  58     wxBitmapDataObject2(const wxBitmap& bitmap = wxNullBitmap)
  59         : wxBitmapDataObjectBase(bitmap)
  60         {
  61         }
  62
  63     // implement base class pure virtuals
  64     virtual size_t GetDataSize() const;
  65     virtual bool GetDataHere(void *buf) const;
  66     virtual bool SetData(size_t len, const void *buf);
  67 };
  68
  69 // ----------------------------------------------------------------------------
  70 // wxFileDataObject - data object for CF_HDROP
  71 // ----------------------------------------------------------------------------
  72
  73 class WXDLLEXPORT wxFileDataObject : public wxFileDataObjectBase
  74 {
  75 public:
  76     // implement base class pure virtuals
  77     virtual bool SetData(size_t len, const void *buf);
  78     virtual size_t GetDataSize() const;
  79     virtual bool GetDataHere(void *pData) const;
  80     virtual void AddFile(const wxString& file);
  81 };
  82
  83 // ----------------------------------------------------------------------------
  84 // wxURLDataObject: data object for URLs
  85 // ----------------------------------------------------------------------------
  86
  87 class WXDLLEXPORT wxURLDataObject : public wxDataObjectComposite
  88 {
  89 public:
  90     wxURLDataObject();
  91
  92     // return the URL as string
  93     wxString GetURL() const;
  94
  95     // Set a string as the URL in the data object
  96     void SetURL(const wxString& url);
  97
  98     // override to set m_textFormat
  99     virtual bool SetData(const wxDataFormat& format,
 100                          size_t len,
 101                          const void *buf);
 102
 103 private:
 104     // last data object we got data in
 105     wxDataObjectSimple *m_dataObjectLast;
 106
 107     DECLARE_NO_COPY_CLASS(wxURLDataObject)
 108 };
 109
 110 #endif // _WX_MSW_OLE_DATAOBJ2_H