src/motif/dataobj.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        dataobj.cpp
   3 // Purpose:     wxDataObject class
   4 // Author:      Julian Smart
   5 // Id:          $Id$
   6 // Copyright:   (c) 1998 Julian Smart
   7 // Licence:     wxWindows licence
   8 ///////////////////////////////////////////////////////////////////////////////
   9
  10 #ifdef __GNUG__
  11 #pragma implementation "dataobj.h"
  12 #endif
  13
  14 #include "wx/defs.h"
  15
  16 #if wxUSE_CLIPBOARD
  17
  18 #include "wx/dataobj.h"
  19 #include "wx/app.h"
  20
  21 #include <Xm/Xm.h>
  22 #include "wx/utils.h"
  23
  24 //-------------------------------------------------------------------------
  25 // global data
  26 //-------------------------------------------------------------------------
  27
  28 Atom  g_textAtom = 0;
  29
  30 //-------------------------------------------------------------------------
  31 // wxDataFormat
  32 //-------------------------------------------------------------------------
  33
  34 wxDataFormat::wxDataFormat()
  35 {
  36     if (!g_textAtom) g_textAtom = XInternAtom( (Display*) wxGetDisplay(), "STRING", FALSE );
  37     m_type = wxDF_INVALID;
  38     m_hasAtom = FALSE;
  39     m_atom = (Atom) 0;
  40 }
  41
  42 wxDataFormat::wxDataFormat( wxDataFormatId type )
  43 {
  44     if (!g_textAtom) g_textAtom = XInternAtom( (Display*) wxGetDisplay(), "STRING", FALSE );
  45     SetType( type );
  46 }
  47
  48 wxDataFormat::wxDataFormat( const wxChar *id )
  49 {
  50     if (!g_textAtom) g_textAtom = XInternAtom( (Display*) wxGetDisplay(), "STRING", FALSE );
  51     SetId( id );
  52 }
  53
  54 wxDataFormat::wxDataFormat( const wxString &id )
  55 {
  56     if (!g_textAtom) g_textAtom = XInternAtom( (Display*) wxGetDisplay(), "STRING", FALSE );
  57     SetId( id );
  58 }
  59
  60 wxDataFormat::wxDataFormat( const wxDataFormat &format )
  61 {
  62     if (!g_textAtom) g_textAtom = XInternAtom( (Display*) wxGetDisplay(), "STRING", FALSE );
  63     m_type = format.GetType();
  64     m_id = format.GetId();
  65     m_hasAtom = TRUE;
  66     m_atom = ((wxDataFormat &)format).GetAtom();    // const_cast
  67 }
  68
  69 wxDataFormat::wxDataFormat( const Atom atom )
  70 {
  71     if (!g_textAtom) g_textAtom = XInternAtom( (Display*) wxGetDisplay(), "STRING", FALSE );
  72     m_hasAtom = TRUE;
  73
  74     m_atom = atom;
  75
  76     if (m_atom == g_textAtom)
  77     {
  78         m_type = wxDF_TEXT;
  79     } else
  80 /*
  81     if (m_atom == GDK_TARGET_BITMAP)
  82     {
  83         m_type = wxDF_BITMAP;
  84     } else
  85 */
  86     {
  87         m_type = wxDF_PRIVATE;
  88         m_id = XGetAtomName( (Display*) wxGetDisplay(),  m_atom );
  89
  90         if (m_id == wxT("file:ALL"))
  91         {
  92             m_type = wxDF_FILENAME;
  93         }
  94     }
  95 }
  96
  97 void wxDataFormat::SetType( wxDataFormatId type )
  98 {
  99     m_type = type;
 100
 101     if (m_type == wxDF_TEXT)
 102     {
 103         m_id = wxT("STRING");
 104     }
 105     else
 106     if (m_type == wxDF_BITMAP)
 107     {
 108         m_id = wxT("BITMAP");
 109     }
 110     else
 111     if (m_type == wxDF_FILENAME)
 112     {
 113         m_id = wxT("file:ALL");
 114     }
 115     else
 116     {
 117        wxFAIL_MSG( wxT("invalid dataformat") );
 118     }
 119
 120     m_hasAtom = FALSE;
 121 }
 122
 123 void wxDataFormat::SetId( const wxChar *id )
 124 {
 125     m_type = wxDF_PRIVATE;
 126     m_id = id;
 127     m_hasAtom = FALSE;
 128 }
 129
 130 Atom wxDataFormat::GetAtom()
 131 {
 132     if (!m_hasAtom)
 133     {
 134         m_hasAtom = TRUE;
 135
 136         if (m_type == wxDF_TEXT)
 137         {
 138             m_atom = g_textAtom;
 139         }
 140         else
 141 /*
 142         if (m_type == wxDF_BITMAP)
 143         {
 144             m_atom = GDK_TARGET_BITMAP;
 145         }
 146         else
 147 */
 148         if (m_type == wxDF_PRIVATE)
 149         {
 150             m_atom = XInternAtom( (Display*) wxGetDisplay(), wxMBSTRINGCAST m_id.mbc_str(), FALSE );
 151         }
 152         else
 153         if (m_type == wxDF_FILENAME)
 154         {
 155             m_atom = XInternAtom( (Display*) wxGetDisplay(), "file:ALL", FALSE );
 156         }
 157         else
 158         {
 159             m_hasAtom = FALSE;
 160             m_atom = (Atom) 0;
 161         }
 162     }
 163
 164     return m_atom;
 165 }
 166
 167 #if 0
 168
 169 // ----------------------------------------------------------------------------
 170 // wxPrivateDataObject
 171 // ----------------------------------------------------------------------------
 172
 173 IMPLEMENT_DYNAMIC_CLASS( wxPrivateDataObject, wxDataObject )
 174
 175 void wxPrivateDataObject::Free()
 176 {
 177     if ( m_data )
 178         free(m_data);
 179 }
 180
 181 wxPrivateDataObject::wxPrivateDataObject()
 182 {
 183     wxString id = wxT("application/");
 184     id += wxTheApp->GetAppName();
 185
 186     m_format.SetId( id );
 187
 188     m_size = 0;
 189     m_data = (void *)NULL;
 190 }
 191
 192 void wxPrivateDataObject::SetData( const void *data, size_t size )
 193 {
 194     Free();
 195
 196     m_size = size;
 197     m_data = malloc(size);
 198
 199     memcpy( m_data, data, size );
 200 }
 201
 202 void wxPrivateDataObject::WriteData( void *dest ) const
 203 {
 204     WriteData( m_data, dest );
 205 }
 206
 207 size_t wxPrivateDataObject::GetSize() const
 208 {
 209     return m_size;
 210 }
 211
 212 void wxPrivateDataObject::WriteData( const void *data, void *dest ) const
 213 {
 214     memcpy( dest, data, GetSize() );
 215 }
 216
 217 #endif // 0
 218
 219 #endif // wxUSE_CLIPBOARD