src/gtk/gsockgtk.c

   1 /* -------------------------------------------------------------------------
   2  * Project: GSocket (Generic Socket) for WX
   3  * Name:    gsockgtk.c
   4  * Purpose: GSocket: GTK part
   5  * Licence: The wxWidgets 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->m_functions->Detected_Read(socket);
  32   if (condition & GDK_INPUT_WRITE)
  33     socket->m_functions->Detected_Write(socket);
  34 }
  35
  36 int _GSocket_GUI_Init(void)
  37 {
  38     return 1;
  39 }
  40
  41 void _GSocket_GUI_Cleanup(void)
  42 {
  43 }
  44
  45 int _GSocket_GUI_Init_Socket(GSocket *socket)
  46 {
  47   gint *m_id;
  48
  49   socket->m_gui_dependent = (char *)malloc(sizeof(gint)*2);
  50   m_id = (gint *)(socket->m_gui_dependent);
  51
  52   m_id[0] = -1;
  53   m_id[1] = -1;
  54
  55   return TRUE;
  56 }
  57
  58 void _GSocket_GUI_Destroy_Socket(GSocket *socket)
  59 {
  60   free(socket->m_gui_dependent);
  61 }
  62
  63 void _GSocket_Install_Callback(GSocket *socket, GSocketEvent event)
  64 {
  65   gint *m_id = (gint *)(socket->m_gui_dependent);
  66   int c;
  67
  68   if (socket->m_fd == -1)
  69     return;
  70
  71   switch (event)
  72   {
  73     case GSOCK_LOST:       /* fall-through */
  74     case GSOCK_INPUT:      c = 0; break;
  75     case GSOCK_OUTPUT:     c = 1; break;
  76     case GSOCK_CONNECTION: c = ((socket->m_server) ? 0 : 1); break;
  77     default: return;
  78   }
  79
  80   if (m_id[c] != -1)
  81     gdk_input_remove(m_id[c]);
  82
  83   m_id[c] = gdk_input_add(socket->m_fd,
  84                           (c ? GDK_INPUT_WRITE : GDK_INPUT_READ),
  85                           _GSocket_GDK_Input,
  86                           (gpointer)socket);
  87 }
  88
  89 void _GSocket_Uninstall_Callback(GSocket *socket, GSocketEvent event)
  90 {
  91   gint *m_id = (gint *)(socket->m_gui_dependent);
  92   int c;
  93
  94   assert( m_id != NULL );
  95
  96   switch (event)
  97   {
  98     case GSOCK_LOST:       /* fall-through */
  99     case GSOCK_INPUT:      c = 0; break;
 100     case GSOCK_OUTPUT:     c = 1; break;
 101     case GSOCK_CONNECTION: c = ((socket->m_server) ? 0 : 1); break;
 102     default: return;
 103   }
 104
 105   if (m_id[c] != -1)
 106     gdk_input_remove(m_id[c]);
 107
 108   m_id[c] = -1;
 109 }
 110
 111 void _GSocket_Enable_Events(GSocket *socket)
 112 {
 113   _GSocket_Install_Callback(socket, GSOCK_INPUT);
 114   _GSocket_Install_Callback(socket, GSOCK_OUTPUT);
 115 }
 116
 117 void _GSocket_Disable_Events(GSocket *socket)
 118 {
 119   _GSocket_Uninstall_Callback(socket, GSOCK_INPUT);
 120   _GSocket_Uninstall_Callback(socket, GSOCK_OUTPUT);
 121 }
 122
 123 #else /* !wxUSE_SOCKETS */
 124
 125 /* some compilers don't like having empty source files */
 126 static int wxDummyGsockVar = 0;
 127
 128 #endif /* wxUSE_SOCKETS/!wxUSE_SOCKETS */