src/gtk/sockgtk.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/gtk/sockgtk.cpp
   3 // Purpose:     implementation of wxGTK-specific socket event handling
   4 // Author:      Guilhem Lavaux, Vadim Zeitlin
   5 // Created:     1999
   6 // RCS-ID:      $Id$
   7 // Copyright:   (c) 1999, 2007 wxWidgets dev team
   8 //              (c) 2009 Vadim Zeitlin
   9 // Licence:     wxWindows licence
  10 ///////////////////////////////////////////////////////////////////////////////
  11
  12 // For compilers that support precompilation, includes "wx.h".
  13 #include "wx/wxprec.h"
  14
  15 #if wxUSE_SOCKETS && defined(__UNIX__)
  16
  17 #include "wx/apptrait.h"
  18 #include "wx/private/fdiomanager.h"
  19
  20 #include <glib.h>
  21
  22 extern "C" {
  23 static gboolean wxSocket_Input(GIOChannel*, GIOCondition condition, gpointer data)
  24 {
  25     wxFDIOHandler * const handler = static_cast<wxFDIOHandler *>(data);
  26
  27     if (condition & G_IO_IN)
  28     {
  29         handler->OnReadWaiting();
  30
  31         // we could have lost connection while reading in which case we
  32         // shouldn't call OnWriteWaiting() as the socket is now closed and it
  33         // would assert
  34         if ( !handler->IsOk() )
  35             return true;
  36     }
  37
  38     if (condition & G_IO_OUT)
  39         handler->OnWriteWaiting();
  40
  41     return true;
  42 }
  43 }
  44
  45 class GTKFDIOManager : public wxFDIOManager
  46 {
  47 public:
  48     virtual int AddInput(wxFDIOHandler *handler, int fd, Direction d)
  49     {
  50         return g_io_add_watch(
  51             g_io_channel_unix_new(fd),
  52             d == OUTPUT ? G_IO_OUT : G_IO_IN,
  53             wxSocket_Input,
  54             handler);
  55     }
  56
  57     virtual void
  58     RemoveInput(wxFDIOHandler* WXUNUSED(handler), int fd, Direction WXUNUSED(d))
  59     {
  60         g_source_remove(fd);
  61     }
  62 };
  63
  64 wxFDIOManager *wxGUIAppTraits::GetFDIOManager()
  65 {
  66     static GTKFDIOManager s_manager;
  67     return &s_manager;
  68 }
  69
  70 #endif // wxUSE_SOCKETS && __UNIX__