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