src/gtk1/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 // Licence:     wxWindows licence
   9 ///////////////////////////////////////////////////////////////////////////////
  10
  11 // For compilers that support precompilation, includes "wx.h".
  12 #include "wx/wxprec.h"
  13
  14 #if wxUSE_SOCKETS
  15
  16 #include <stdlib.h>
  17 #include <stdio.h>
  18
  19 #include <gdk/gdk.h>
  20 #include <glib.h>
  21
  22 #include "wx/private/socket.h"
  23 #include "wx/apptrait.h"
  24
  25 extern "C" {
  26 static
  27 void wxSocket_GDK_Input(gpointer data,
  28                         gint WXUNUSED(source),
  29                         GdkInputCondition condition)
  30 {
  31     wxSocketImplUnix * const handler = static_cast<wxSocketImplUnix *>(data);
  32
  33     if ( condition & GDK_INPUT_READ )
  34     {
  35         handler->OnReadWaiting();
  36
  37         // we could have lost connection while reading in which case we
  38         // shouldn't call OnWriteWaiting() as the socket is now closed and it
  39         // would assert
  40         if ( handler->m_fd == INVALID_SOCKET )
  41             return;
  42     }
  43
  44     if ( condition & GDK_INPUT_WRITE )
  45         handler->OnWriteWaiting();
  46 }
  47 }
  48
  49 class GTKSocketManager : public wxSocketInputBasedManager
  50 {
  51 public:
  52     virtual int AddInput(wxSocketImplUnix *handler, int fd, SocketDir d)
  53     {
  54         return gdk_input_add
  55                (
  56                     fd,
  57                     d == FD_OUTPUT ? GDK_INPUT_WRITE : GDK_INPUT_READ,
  58                     wxSocket_GDK_Input,
  59                     handler
  60                );
  61     }
  62
  63     virtual void RemoveInput(int fd)
  64     {
  65         gdk_input_remove(fd);
  66     }
  67 };
  68
  69 wxSocketManager *wxGUIAppTraits::GetSocketManager()
  70 {
  71     static GTKSocketManager s_manager;
  72     return &s_manager;
  73 }
  74
  75 #endif // wxUSE_SOCKETS