src/gtk/gsockgtk.c

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