src/gtk1/sockgtk.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/gtk1/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
  16
  17 #include <gdk/gdk.h>
  18 #include <glib.h>
  19
  20 #include "wx/apptrait.h"
  21 #include "wx/private/fdiomanager.h"
  22
  23 extern "C" {
  24 static
  25 void wxSocket_GDK_Input(gpointer data,
  26                         gint WXUNUSED(source),
  27                         GdkInputCondition condition)
  28 {
  29     wxFDIOHandler * const handler = static_cast<wxFDIOHandler *>(data);
  30
  31     if ( condition & GDK_INPUT_READ )
  32     {
  33         handler->OnReadWaiting();
  34
  35         // we could have lost connection while reading in which case we
  36         // shouldn't call OnWriteWaiting() as the socket is now closed and it
  37         // would assert
  38         if ( !handler->IsOk() )
  39             return;
  40     }
  41
  42     if ( condition & GDK_INPUT_WRITE )
  43         handler->OnWriteWaiting();
  44 }
  45 }
  46
  47 class GTKFDIOManager : public wxFDIOManager
  48 {
  49 public:
  50     virtual int AddInput(wxFDIOHandler *handler, int fd, Direction d)
  51     {
  52         return gdk_input_add
  53                (
  54                     fd,
  55                     d == OUTPUT ? GDK_INPUT_WRITE : GDK_INPUT_READ,
  56                     wxSocket_GDK_Input,
  57                     handler
  58                );
  59     }
  60
  61     virtual void
  62     RemoveInput(wxFDIOHandler* WXUNUSED(handler), int fd, Direction WXUNUSED(d))
  63     {
  64         gdk_input_remove(fd);
  65     }
  66 };
  67
  68 wxFDIOManager *wxGUIAppTraits::GetFDIOManager()
  69 {
  70     static GTKFDIOManager s_manager;
  71     return &s_manager;
  72 }
  73
  74 #endif // wxUSE_SOCKETS