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
  14 #if defined( __VMS ) && defined( __ia64 )
  15 // Work around for a bug in the C++ compiler on OpenVMS IA64
  16 # include <time.h>
  17 #endif
  18
  19 #include "wx/wxprec.h"
  20
  21 #if wxUSE_SOCKETS
  22
  23 #include <gdk/gdk.h>
  24 #include <glib.h>
  25
  26 #include "wx/apptrait.h"
  27 #include "wx/private/fdiomanager.h"
  28
  29 extern "C" {
  30 static
  31 void wxSocket_GDK_Input(gpointer data,
  32                         gint WXUNUSED(source),
  33                         GdkInputCondition condition)
  34 {
  35     wxFDIOHandler * const handler = static_cast<wxFDIOHandler *>(data);
  36
  37     if ( condition & GDK_INPUT_READ )
  38     {
  39         handler->OnReadWaiting();
  40
  41         // we could have lost connection while reading in which case we
  42         // shouldn't call OnWriteWaiting() as the socket is now closed and it
  43         // would assert
  44         if ( !handler->IsOk() )
  45             return;
  46     }
  47
  48     if ( condition & GDK_INPUT_WRITE )
  49         handler->OnWriteWaiting();
  50 }
  51 }
  52
  53 class GTKFDIOManager : public wxFDIOManager
  54 {
  55 public:
  56     virtual int AddInput(wxFDIOHandler *handler, int fd, Direction d)
  57     {
  58         return gdk_input_add
  59                (
  60                     fd,
  61                     d == OUTPUT ? GDK_INPUT_WRITE : GDK_INPUT_READ,
  62                     wxSocket_GDK_Input,
  63                     handler
  64                );
  65     }
  66
  67     virtual void
  68     RemoveInput(wxFDIOHandler* WXUNUSED(handler), int fd, Direction WXUNUSED(d))
  69     {
  70         gdk_input_remove(fd);
  71     }
  72 };
  73
  74 wxFDIOManager *wxGUIAppTraits::GetFDIOManager()
  75 {
  76     static GTKFDIOManager s_manager;
  77     return &s_manager;
  78 }
  79
  80 #endif // wxUSE_SOCKETS