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