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