src/osx/dnd_osx.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/osx/dnd_osx.cpp
   3 // Purpose:     Mac common wxDropTarget, wxDropSource implementations
   4 // Author:      Stefan Csomor
   5 // Modified by:
   6 // Created:     1998-01-01
   7 // RCS-ID:      $Id: dnd.cpp 61724 2009-08-21 10:41:26Z VZ $
   8 // Copyright:   (c) 1998 Stefan Csomor
   9 // Licence:     wxWindows licence
  10 ///////////////////////////////////////////////////////////////////////////////
  11
  12 #include "wx/wxprec.h"
  13
  14 #if wxUSE_DRAG_AND_DROP
  15
  16 #include "wx/dnd.h"
  17
  18 #ifndef WX_PRECOMP
  19     #include "wx/app.h"
  20     #include "wx/toplevel.h"
  21     #include "wx/gdicmn.h"
  22 #endif // WX_PRECOMP
  23
  24 #include "wx/osx/private.h"
  25
  26 //----------------------------------------------------------------------------
  27 // wxDropTarget
  28 //----------------------------------------------------------------------------
  29
  30 wxDragResult wxDropTarget::OnDragOver(
  31     wxCoord WXUNUSED(x), wxCoord WXUNUSED(y),
  32     wxDragResult def )
  33 {
  34     return CurrentDragHasSupportedFormat() ? def : wxDragNone;
  35 }
  36
  37 wxDataFormat wxDropTarget::GetMatchingPair()
  38 {
  39     wxFAIL_MSG("wxDropTarget::GetMatchingPair() not implemented in src/osx/carbon/dnd.cpp");
  40     return wxDF_INVALID;
  41 }
  42
  43 bool wxDropTarget::OnDrop( wxCoord WXUNUSED(x), wxCoord WXUNUSED(y) )
  44 {
  45     if (m_dataObject == NULL)
  46         return false;
  47
  48     return CurrentDragHasSupportedFormat();
  49 }
  50
  51 wxDragResult wxDropTarget::OnData(
  52     wxCoord WXUNUSED(x), wxCoord WXUNUSED(y),
  53     wxDragResult def )
  54 {
  55     if (m_dataObject == NULL)
  56         return wxDragNone;
  57
  58     if (!CurrentDragHasSupportedFormat())
  59         return wxDragNone;
  60
  61     return GetData() ? def : wxDragNone;
  62 }
  63
  64 //-------------------------------------------------------------------------
  65 // wxDropSource
  66 //-------------------------------------------------------------------------
  67
  68 //-----------------------------------------------------------------------------
  69 // drag request
  70
  71 wxDropSource::~wxDropSource()
  72 {
  73 }
  74
  75 bool wxDropSource::MacInstallDefaultCursor(wxDragResult effect)
  76 {
  77     const wxCursor& cursor = GetCursor(effect);
  78     bool result = cursor.Ok();
  79
  80     if ( result )
  81         cursor.MacInstall();
  82
  83     return result;
  84 }
  85
  86 #endif // wxUSE_DRAG_AND_DROP
  87