src/motif/dnd.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        dnd.cpp
   3 // Purpose:     wxDropTarget, wxDropSource classes
   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 "dnd.h"
  12 #endif
  13
  14 #include "wx/setup.h"
  15
  16 #if wxUSE_DRAG_AND_DROP
  17
  18 #include "wx/dnd.h"
  19 #include "wx/window.h"
  20 #include "wx/app.h"
  21 #include "wx/gdicmn.h"
  22 #include "wx/intl.h"
  23 #include "wx/utils.h"
  24 #include "wx/log.h"
  25
  26 #include <X11/Xlib.h>
  27
  28 // ----------------------------------------------------------------------------
  29 // global
  30 // ----------------------------------------------------------------------------
  31
  32 // ----------------------------------------------------------------------------
  33 // wxDropTarget
  34 // ----------------------------------------------------------------------------
  35
  36 wxDropTarget::wxDropTarget()
  37 {
  38 }
  39
  40 wxDropTarget::~wxDropTarget()
  41 {
  42 }
  43
  44 // ----------------------------------------------------------------------------
  45 // wxTextDropTarget
  46 // ----------------------------------------------------------------------------
  47
  48 bool wxTextDropTarget::OnDrop( long x, long y, const void *data, size_t WXUNUSED(size) )
  49 {
  50   OnDropText( x, y, (const char*)data );
  51   return TRUE;
  52 }
  53
  54 bool wxTextDropTarget::OnDropText( long x, long y, const char *psz )
  55 {
  56   wxLogDebug( "Got dropped text: %s.", psz );
  57   wxLogDebug( "At x: %d, y: %d.", (int)x, (int)y );
  58   return TRUE;
  59 }
  60
  61 size_t wxTextDropTarget::GetFormatCount() const
  62 {
  63   return 1;
  64 }
  65
  66 wxDataFormat wxTextDropTarget::GetFormat(size_t WXUNUSED(n)) const
  67 {
  68   return wxDF_TEXT;
  69 }
  70
  71 // ----------------------------------------------------------------------------
  72 // wxFileDropTarget
  73 // ----------------------------------------------------------------------------
  74
  75 bool wxFileDropTarget::OnDropFiles( long x, long y, size_t nFiles, const char * const aszFiles[] )
  76 {
  77   wxLogDebug( "Got %d dropped files.", (int)nFiles );
  78   wxLogDebug( "At x: %d, y: %d.", (int)x, (int)y );
  79   for (size_t i = 0; i < nFiles; i++)
  80   {
  81     wxLogDebug( aszFiles[i] );
  82   }
  83   return TRUE;
  84 }
  85
  86 bool wxFileDropTarget::OnDrop(long x, long y, const void *data, size_t size )
  87 {
  88   size_t number = 0;
  89   char *text = (char*) data;
  90   for (size_t i = 0; i < size; i++)
  91     if (text[i] == 0) number++;
  92
  93   if (number == 0) return TRUE;
  94
  95   char **files = new char*[number];
  96
  97   text = (char*) data;
  98   for (size_t i = 0; i < number; i++)
  99   {
 100     files[i] = text;
 101     int len = strlen( text );
 102     text += len+1;
 103   }
 104
 105   bool ret = OnDropFiles( x, y, 1, files );
 106
 107   free( files );
 108
 109   return ret;
 110 }
 111
 112 size_t wxFileDropTarget::GetFormatCount() const
 113 {
 114   return 1;
 115 }
 116
 117 wxDataFormat wxFileDropTarget::GetFormat(size_t WXUNUSED(n)) const
 118 {
 119   return wxDF_FILENAME;
 120 }
 121
 122 //-------------------------------------------------------------------------
 123 // wxDropSource
 124 //-------------------------------------------------------------------------
 125
 126 wxDropSource::wxDropSource( wxWindow *win )
 127 {
 128 #if 0
 129   m_window = win;
 130   m_data = (wxDataObject *) NULL;
 131   m_retValue = wxDragCancel;
 132
 133   m_defaultCursor = wxCursor( wxCURSOR_NO_ENTRY );
 134   m_goaheadCursor = wxCursor( wxCURSOR_HAND );
 135 #endif
 136 }
 137
 138 wxDropSource::wxDropSource( wxDataObject &data, wxWindow *win )
 139 {
 140 #if 0
 141   g_blockEventsOnDrag = TRUE;
 142
 143   m_window = win;
 144   m_widget = win->m_widget;
 145   if (win->m_wxwindow) m_widget = win->m_wxwindow;
 146   m_retValue = wxDragCancel;
 147
 148   m_data = &data;
 149
 150   m_defaultCursor = wxCursor( wxCURSOR_NO_ENTRY );
 151   m_goaheadCursor = wxCursor( wxCURSOR_HAND );
 152 #endif
 153 }
 154
 155 void wxDropSource::SetData( wxDataObject &data )
 156 {
 157 //  m_data = &data;
 158 }
 159
 160 wxDropSource::~wxDropSource(void)
 161 {
 162 //  if (m_data) delete m_data;
 163 }
 164
 165 wxDragResult wxDropSource::DoDragDrop( bool WXUNUSED(bAllowMove) )
 166 {
 167   //  wxASSERT_MSG( m_data, "wxDragSource: no data" );
 168
 169   return wxDragNone;
 170 #if 0
 171   if (!m_data) return (wxDragResult) wxDragNone;
 172   if (m_data->GetDataSize() == 0) return (wxDragResult) wxDragNone;
 173
 174   RegisterWindow();
 175
 176   // TODO
 177
 178   UnregisterWindow();
 179
 180   g_blockEventsOnDrag = FALSE;
 181
 182   return m_retValue;
 183 #endif
 184 }
 185
 186 #if 0
 187 void wxDropSource::RegisterWindow(void)
 188 {
 189   if (!m_data) return;
 190
 191   wxString formats;
 192
 193   wxDataFormat df = m_data->GetPreferredFormat();
 194
 195     switch (df)
 196     {
 197       case wxDF_TEXT:
 198         formats += "text/plain";
 199         break;
 200       case wxDF_FILENAME:
 201         formats += "file:ALL";
 202         break;
 203       default:
 204         break;
 205     }
 206
 207   char *str = WXSTRINGCAST formats;
 208
 209   // TODO
 210 }
 211
 212 void wxDropSource::UnregisterWindow(void)
 213 {
 214   if (!m_widget) return;
 215
 216   // TODO
 217 }
 218 #endif
 219
 220 wxPrivateDropTarget::wxPrivateDropTarget()
 221 {
 222     m_id = wxTheApp->GetAppName();
 223 }
 224
 225 size_t wxPrivateDropTarget::GetFormatCount() const
 226 {
 227     return 1;
 228 }
 229
 230 wxDataFormat wxPrivateDropTarget::GetFormat(size_t n) const
 231 {
 232     return wxDF_INVALID;
 233 }
 234
 235 #endif
 236       // wxUSE_DRAG_AND_DROP