src/x11/gsockx11.c

   1 /* -------------------------------------------------------------------------
   2  * Project: GSocket (Generic Socket) for WX
   3  * Name:    gsockmot.c
   4  * Purpose: GSocket: X11 part
   5  * Licence: The wxWindows licence
   6  * CVSID:   $Id$
   7  * ------------------------------------------------------------------------- */
   8
   9 #include "wx/setup.h"
  10
  11 #if wxUSE_SOCKETS
  12
  13 #include <stdlib.h>
  14 #include "wx/gsocket.h"
  15 #include "wx/unix/gsockunx.h"
  16
  17 /*
  18  * FIXME: have these in a common header instead of being repeated
  19  * in evtloop.cpp and gsockx11.c
  20  */
  21
  22 typedef void (*wxSocketCallback) (int fd, void* data);
  23
  24 typedef enum
  25 { wxSocketTableInput, wxSocketTableOutput } wxSocketTableType ;
  26
  27 void wxRegisterSocketCallback(int fd, wxSocketTableType socketType, wxSocketCallback cback, void* data);
  28 void wxUnregisterSocketCallback(int fd, wxSocketTableType socketType);
  29
  30
  31 static void _GSocket_X11_Input(int *fid, void* data)
  32 {
  33   GSocket *socket = (GSocket *)data;
  34
  35   _GSocket_Detected_Read(socket);
  36 }
  37
  38 static void _GSocket_X11_Output(int *fid, void* data)
  39 {
  40   GSocket *socket = (GSocket *)data;
  41
  42   _GSocket_Detected_Write(socket);
  43 }
  44
  45 int _GSocket_GUI_Init(GSocket *socket)
  46 {
  47   int *m_id;
  48
  49   socket->m_gui_dependent = (char *)malloc(sizeof(int)*2);
  50   m_id = (int *)(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(GSocket *socket)
  59 {
  60   free(socket->m_gui_dependent);
  61 }
  62
  63 void _GSocket_Install_Callback(GSocket *socket, GSocketEvent event)
  64 {
  65   int *m_id = (int *)(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 0
  81   if (m_id[c] != -1)
  82       XtRemoveInput(m_id[c]);
  83 #endif /* 0 */
  84
  85   if (c == 0)
  86   {
  87       m_id[0] = socket->m_fd;
  88
  89       wxRegisterSocketCallback(socket->m_fd, wxSocketTableInput,
  90                                (wxSocketCallback) _GSocket_X11_Input, (void*) socket);
  91   }
  92   else
  93   {
  94       m_id[1] = socket->m_fd;
  95
  96       wxRegisterSocketCallback(socket->m_fd, wxSocketTableOutput,
  97                                (wxSocketCallback) _GSocket_X11_Output, (void*) socket);
  98   }
  99 }
 100
 101 void _GSocket_Uninstall_Callback(GSocket *socket, GSocketEvent event)
 102 {
 103   int *m_id = (int *)(socket->m_gui_dependent);
 104   int c;
 105
 106   switch (event)
 107   {
 108     case GSOCK_LOST:       /* fall-through */
 109     case GSOCK_INPUT:      c = 0; break;
 110     case GSOCK_OUTPUT:     c = 1; break;
 111     case GSOCK_CONNECTION: c = ((socket->m_server) ? 0 : 1); break;
 112     default: return;
 113   }
 114
 115   if (m_id[c] != -1)
 116   {
 117       if (c == 0)
 118           wxUnregisterSocketCallback(m_id[c], wxSocketTableInput);
 119       else
 120           wxUnregisterSocketCallback(m_id[c], wxSocketTableOutput);
 121   }
 122
 123   m_id[c] = -1;
 124 }
 125
 126 void _GSocket_Enable_Events(GSocket *socket)
 127 {
 128   _GSocket_Install_Callback(socket, GSOCK_INPUT);
 129   _GSocket_Install_Callback(socket, GSOCK_OUTPUT);
 130 }
 131
 132 void _GSocket_Disable_Events(GSocket *socket)
 133 {
 134   _GSocket_Uninstall_Callback(socket, GSOCK_INPUT);
 135   _GSocket_Uninstall_Callback(socket, GSOCK_OUTPUT);
 136 }
 137
 138 #else /* !wxUSE_SOCKETS */
 139
 140 /* some compilers don't like having empty source files */
 141 static int wxDummyGsockVar = 0;
 142
 143 #endif /* wxUSE_SOCKETS/!wxUSE_SOCKETS */