src/x11/gsockx11.c

   1 /* -------------------------------------------------------------------------
   2  * Project: GSocket (Generic Socket) for WX
   3  * Name:    gsockmot.c
   4  * Purpose: GSocket: X11 part
   5  * CVSID:   $Id$
   6  * ------------------------------------------------------------------------- */
   7
   8 #include "wx/setup.h"
   9
  10 #if wxUSE_SOCKETS
  11
  12 #include <stdlib.h>
  13 #include "wx/gsocket.h"
  14 #include "wx/unix/gsockunx.h"
  15
  16 /*
  17  * FIXME: have these in a common header instead of being repeated
  18  * in evtloop.cpp and gsockx11.c
  19  */
  20
  21 typedef void (*wxSocketCallback) (int fd, void* data);
  22
  23 typedef enum
  24 { wxSocketTableInput, wxSocketTableOutput } wxSocketTableType ;
  25
  26 void wxRegisterSocketCallback(int fd, wxSocketTableType socketType, wxSocketCallback cback, void* data);
  27 void wxUnregisterSocketCallback(int fd, wxSocketTableType socketType);
  28
  29
  30 static void _GSocket_X11_Input(int *fid, void* data)
  31 {
  32   GSocket *socket = (GSocket *)data;
  33
  34   _GSocket_Detected_Read(socket);
  35 }
  36
  37 static void _GSocket_X11_Output(int *fid, void* data)
  38 {
  39   GSocket *socket = (GSocket *)data;
  40
  41   _GSocket_Detected_Write(socket);
  42 }
  43
  44 int _GSocket_GUI_Init(GSocket *socket)
  45 {
  46   int *m_id;
  47
  48   socket->m_gui_dependent = (char *)malloc(sizeof(int)*2);
  49   m_id = (int *)(socket->m_gui_dependent);
  50
  51   m_id[0] = -1;
  52   m_id[1] = -1;
  53
  54   return TRUE;
  55 }
  56
  57 void _GSocket_GUI_Destroy(GSocket *socket)
  58 {
  59   free(socket->m_gui_dependent);
  60 }
  61
  62 void _GSocket_Install_Callback(GSocket *socket, GSocketEvent event)
  63 {
  64   int *m_id = (int *)(socket->m_gui_dependent);
  65   int c;
  66
  67   if (socket->m_fd == -1)
  68     return;
  69
  70   switch (event)
  71   {
  72     case GSOCK_LOST:       /* fall-through */
  73     case GSOCK_INPUT:      c = 0; break;
  74     case GSOCK_OUTPUT:     c = 1; break;
  75     case GSOCK_CONNECTION: c = ((socket->m_server) ? 0 : 1); break;
  76     default: return;
  77   }
  78
  79 #if 0
  80   if (m_id[c] != -1)
  81       XtRemoveInput(m_id[c]);
  82 #endif /* 0 */
  83
  84   if (c == 0)
  85   {
  86       m_id[0] = socket->m_fd;
  87
  88       wxRegisterSocketCallback(socket->m_fd, wxSocketTableInput,
  89                                (wxSocketCallback) _GSocket_X11_Input, (void*) socket);
  90   }
  91   else
  92   {
  93       m_id[1] = socket->m_fd;
  94
  95       wxRegisterSocketCallback(socket->m_fd, wxSocketTableOutput,
  96                                (wxSocketCallback) _GSocket_X11_Output, (void*) socket);
  97   }
  98 }
  99
 100 void _GSocket_Uninstall_Callback(GSocket *socket, GSocketEvent event)
 101 {
 102   int *m_id = (int *)(socket->m_gui_dependent);
 103   int c;
 104
 105   switch (event)
 106   {
 107     case GSOCK_LOST:       /* fall-through */
 108     case GSOCK_INPUT:      c = 0; break;
 109     case GSOCK_OUTPUT:     c = 1; break;
 110     case GSOCK_CONNECTION: c = ((socket->m_server) ? 0 : 1); break;
 111     default: return;
 112   }
 113
 114   if (m_id[c] != -1)
 115   {
 116       if (c == 0)
 117           wxUnregisterSocketCallback(m_id[c], wxSocketTableInput);
 118       else
 119           wxUnregisterSocketCallback(m_id[c], wxSocketTableOutput);
 120   }
 121
 122   m_id[c] = -1;
 123 }
 124
 125 void _GSocket_Enable_Events(GSocket *socket)
 126 {
 127   _GSocket_Install_Callback(socket, GSOCK_INPUT);
 128   _GSocket_Install_Callback(socket, GSOCK_OUTPUT);
 129 }
 130
 131 void _GSocket_Disable_Events(GSocket *socket)
 132 {
 133   _GSocket_Uninstall_Callback(socket, GSOCK_INPUT);
 134   _GSocket_Uninstall_Callback(socket, GSOCK_OUTPUT);
 135 }
 136
 137 #else /* !wxUSE_SOCKETS */
 138
 139 /* some compilers don't like having empty source files */
 140 static int wxDummyGsockVar = 0;
 141
 142 #endif /* wxUSE_SOCKETS/!wxUSE_SOCKETS */