src/gtk/gsockgtk.cpp

   1 /* -------------------------------------------------------------------------
   2  * Project: GSocket (Generic Socket) for WX
   3  * Name:    gsockgtk.c
   4  * Purpose: GSocket: GTK part
   5  * Licence: The wxWindows licence
   6  * CVSID:   $Id$
   7  * -------------------------------------------------------------------------
   8  */
   9 #include "wx/setup.h"
  10
  11 #if wxUSE_SOCKETS
  12
  13 #include <assert.h>
  14 #include <stdlib.h>
  15 #include <stdio.h>
  16
  17 #include <gdk/gdk.h>
  18 #include <glib.h>
  19
  20 #include "wx/gsocket.h"
  21 #include "wx/unix/gsockunx.h"
  22
  23
  24 void _GSocket_GDK_Input(gpointer data,
  25                         gint source,
  26                         GdkInputCondition condition)
  27 {
  28   GSocket *socket = (GSocket *)data;
  29
  30   if (condition & GDK_INPUT_READ)
  31     socket->Detected_Read();
  32   if (condition & GDK_INPUT_WRITE)
  33     socket->Detected_Write();
  34 }
  35
  36 bool GSocketGUIFunctionsTableConcrete::CanUseEventLoop()
  37 {   return true; }
  38
  39 bool GSocketGUIFunctionsTableConcrete::OnInit(void)
  40 {
  41     return 1;
  42 }
  43
  44 void GSocketGUIFunctionsTableConcrete::OnExit(void)
  45 {
  46 }
  47
  48 bool GSocketGUIFunctionsTableConcrete::Init_Socket(GSocket *socket)
  49 {
  50   gint *m_id;
  51
  52   socket->m_gui_dependent = (char *)malloc(sizeof(gint)*2);
  53   m_id = (gint *)(socket->m_gui_dependent);
  54
  55   m_id[0] = -1;
  56   m_id[1] = -1;
  57
  58   return TRUE;
  59 }
  60
  61 void GSocketGUIFunctionsTableConcrete::Destroy_Socket(GSocket *socket)
  62 {
  63   free(socket->m_gui_dependent);
  64 }
  65
  66 void GSocketGUIFunctionsTableConcrete::Install_Callback(GSocket *socket, GSocketEvent event)
  67 {
  68   gint *m_id = (gint *)(socket->m_gui_dependent);
  69   int c;
  70
  71   if (socket->m_fd == -1)
  72     return;
  73
  74   switch (event)
  75   {
  76     case GSOCK_LOST:       /* fall-through */
  77     case GSOCK_INPUT:      c = 0; break;
  78     case GSOCK_OUTPUT:     c = 1; break;
  79     case GSOCK_CONNECTION: c = ((socket->m_server) ? 0 : 1); break;
  80     default: return;
  81   }
  82
  83   if (m_id[c] != -1)
  84     gdk_input_remove(m_id[c]);
  85
  86   m_id[c] = gdk_input_add(socket->m_fd,
  87                           (c ? GDK_INPUT_WRITE : GDK_INPUT_READ),
  88                           _GSocket_GDK_Input,
  89                           (gpointer)socket);
  90 }
  91
  92 void GSocketGUIFunctionsTableConcrete::Uninstall_Callback(GSocket *socket, GSocketEvent event)
  93 {
  94   gint *m_id = (gint *)(socket->m_gui_dependent);
  95   int c;
  96
  97   assert( m_id != NULL );
  98
  99   switch (event)
 100   {
 101     case GSOCK_LOST:       /* fall-through */
 102     case GSOCK_INPUT:      c = 0; break;
 103     case GSOCK_OUTPUT:     c = 1; break;
 104     case GSOCK_CONNECTION: c = ((socket->m_server) ? 0 : 1); break;
 105     default: return;
 106   }
 107
 108   if (m_id[c] != -1)
 109     gdk_input_remove(m_id[c]);
 110
 111   m_id[c] = -1;
 112 }
 113
 114 void GSocketGUIFunctionsTableConcrete::Enable_Events(GSocket *socket)
 115 {
 116   Install_Callback(socket, GSOCK_INPUT);
 117   Install_Callback(socket, GSOCK_OUTPUT);
 118 }
 119
 120 void GSocketGUIFunctionsTableConcrete::Disable_Events(GSocket *socket)
 121 {
 122   Uninstall_Callback(socket, GSOCK_INPUT);
 123   Uninstall_Callback(socket, GSOCK_OUTPUT);
 124 }
 125
 126 #else /* !wxUSE_SOCKETS */
 127
 128 /* some compilers don't like having empty source files */
 129 static int wxDummyGsockVar = 0;
 130
 131 #endif /* wxUSE_SOCKETS/!wxUSE_SOCKETS */