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
wxSocket_GDK_Input(gpointer data,gint WXUNUSED (source),GdkInputCondition condition)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:
AddInput(wxFDIOHandler * handler,int fd,Direction d)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
RemoveInput(wxFDIOHandler * WXUNUSED (handler),int fd,Direction WXUNUSED (d))67     RemoveInput(wxFDIOHandler* WXUNUSED(handler), int fd, Direction WXUNUSED(d))
68     {
69         gdk_input_remove(fd);
70     }
71 };
72 
GetFDIOManager()73 wxFDIOManager *wxGUIAppTraits::GetFDIOManager()
74 {
75     static GTKFDIOManager s_manager;
76     return &s_manager;
77 }
78 
79 #endif // wxUSE_SOCKETS
80