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