src/gtk/sockgtk.cpp

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