src/x11/gsockx11.c

   1 /* -------------------------------------------------------------------------
   2  * Project: GSocket (Generic Socket) for WX
   3  * Name:    gsockmot.c
   4  * Purpose: GSocket: X11 part
   5  * Licence: The wxWidgets 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   socket->m_functions->Detected_Read(socket);
  36 }
  37
  38 static void _GSocket_X11_Output(int *fid, void* data)
  39 {
  40   GSocket *socket = (GSocket *)data;
  41
  42   socket->m_functions->Detected_Write(socket);
  43 }
  44
  45 int _GSocket_GUI_Init(void)
  46 {
  47     return 1;
  48 }
  49
  50 void _GSocket_GUI_Cleanup(void)
  51 {
  52 }
  53
  54 int _GSocket_GUI_Init_Socket(GSocket *socket)
  55 {
  56   int *m_id;
  57
  58   socket->m_gui_dependent = (char *)malloc(sizeof(int)*2);
  59   m_id = (int *)(socket->m_gui_dependent);
  60
  61   m_id[0] = -1;
  62   m_id[1] = -1;
  63
  64   return TRUE;
  65 }
  66
  67 void _GSocket_GUI_Destroy_Socket(GSocket *socket)
  68 {
  69   free(socket->m_gui_dependent);
  70 }
  71
  72 void _GSocket_Install_Callback(GSocket *socket, GSocketEvent event)
  73 {
  74   int *m_id = (int *)(socket->m_gui_dependent);
  75   int c;
  76
  77   if (socket->m_fd == -1)
  78     return;
  79
  80   switch (event)
  81   {
  82     case GSOCK_LOST:       /* fall-through */
  83     case GSOCK_INPUT:      c = 0; break;
  84     case GSOCK_OUTPUT:     c = 1; break;
  85     case GSOCK_CONNECTION: c = ((socket->m_server) ? 0 : 1); break;
  86     default: return;
  87   }
  88
  89 #if 0
  90   if (m_id[c] != -1)
  91       XtRemoveInput(m_id[c]);
  92 #endif /* 0 */
  93
  94   if (c == 0)
  95   {
  96       m_id[0] = socket->m_fd;
  97
  98       wxRegisterSocketCallback(socket->m_fd, wxSocketTableInput,
  99                                (wxSocketCallback) _GSocket_X11_Input, (void*) socket);
 100   }
 101   else
 102   {
 103       m_id[1] = socket->m_fd;
 104
 105       wxRegisterSocketCallback(socket->m_fd, wxSocketTableOutput,
 106                                (wxSocketCallback) _GSocket_X11_Output, (void*) socket);
 107   }
 108 }
 109
 110 void _GSocket_Uninstall_Callback(GSocket *socket, GSocketEvent event)
 111 {
 112   int *m_id = (int *)(socket->m_gui_dependent);
 113   int c;
 114
 115   switch (event)
 116   {
 117     case GSOCK_LOST:       /* fall-through */
 118     case GSOCK_INPUT:      c = 0; break;
 119     case GSOCK_OUTPUT:     c = 1; break;
 120     case GSOCK_CONNECTION: c = ((socket->m_server) ? 0 : 1); break;
 121     default: return;
 122   }
 123
 124   if (m_id[c] != -1)
 125   {
 126       if (c == 0)
 127           wxUnregisterSocketCallback(m_id[c], wxSocketTableInput);
 128       else
 129           wxUnregisterSocketCallback(m_id[c], wxSocketTableOutput);
 130   }
 131
 132   m_id[c] = -1;
 133 }
 134
 135 void _GSocket_Enable_Events(GSocket *socket)
 136 {
 137   _GSocket_Install_Callback(socket, GSOCK_INPUT);
 138   _GSocket_Install_Callback(socket, GSOCK_OUTPUT);
 139 }
 140
 141 void _GSocket_Disable_Events(GSocket *socket)
 142 {
 143   _GSocket_Uninstall_Callback(socket, GSOCK_INPUT);
 144   _GSocket_Uninstall_Callback(socket, GSOCK_OUTPUT);
 145 }
 146
 147 #else /* !wxUSE_SOCKETS */
 148
 149 /* some compilers don't like having empty source files */
 150 static int wxDummyGsockVar = 0;
 151
 152 #endif /* wxUSE_SOCKETS/!wxUSE_SOCKETS */