src/motif/dnd.cpp

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