Blame tests/testsocket.c

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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 2 -*- */
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/* testsocket.c
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 * Copyright (C) 2001 Red Hat, Inc
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 * Author: Owen Taylor
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 *
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 * This library is free software; you can redistribute it and/or
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 * modify it under the terms of the GNU Library General Public
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 * License as published by the Free Software Foundation; either
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 * version 2 of the License, or (at your option) any later version.
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 *
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 * This library is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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 * Library General Public License for more details.
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 *
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 * You should have received a copy of the GNU Library General Public
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 * License along with this library; if not, write to the
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 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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 * Boston, MA 02111-1307, USA.
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 */
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#undef GTK_DISABLE_DEPRECATED
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#include "config.h"
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#include <gtk/gtk.h>
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#include <string.h>
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#include <stdlib.h>
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#include <stdio.h>
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int n_children = 0;
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GSList *sockets = NULL;
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GtkWidget *window;
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GtkWidget *box;
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typedef struct 
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{
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  GtkWidget *box;
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  GtkWidget *frame;
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  GtkWidget *socket;
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} Socket;
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extern guint32 create_child_plug (guint32  xid,
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				  gboolean local);
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static void
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quit_cb (gpointer        callback_data,
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	 guint           callback_action,
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	 GtkWidget      *widget)
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{
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  GtkWidget *message_dialog = gtk_message_dialog_new (GTK_WINDOW (window), 0,
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						      GTK_MESSAGE_QUESTION,
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						      GTK_BUTTONS_YES_NO,
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						      "Really Quit?");
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  gtk_dialog_set_default_response (GTK_DIALOG (message_dialog), GTK_RESPONSE_NO);
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  if (gtk_dialog_run (GTK_DIALOG (message_dialog)) == GTK_RESPONSE_YES)
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    gtk_widget_destroy (window);
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  gtk_widget_destroy (message_dialog);
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}
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static GtkItemFactoryEntry menu_items[] =
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{
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  { "/_File",            NULL,         NULL,                  0, "<Branch>" },
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  { "/File/_Quit",       "<control>Q", quit_cb,               0 },
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};
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static void
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socket_destroyed (GtkWidget *widget,
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		  Socket    *socket)
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{
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  sockets = g_slist_remove (sockets, socket);
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  g_free (socket);
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}
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static void
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plug_added (GtkWidget *widget,
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	    Socket    *socket)
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{
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  g_print ("Plug added to socket\n");
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  gtk_widget_show (socket->socket);
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  gtk_widget_hide (socket->frame);
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}
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static gboolean
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plug_removed (GtkWidget *widget,
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	      Socket    *socket)
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{
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  g_print ("Plug removed from socket\n");
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  gtk_widget_hide (socket->socket);
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  gtk_widget_show (socket->frame);
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  return TRUE;
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}
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static Socket *
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create_socket (void)
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{
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  GtkWidget *label;
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  Socket *socket = g_new (Socket, 1);
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  socket->box = gtk_vbox_new (FALSE, 0);
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  socket->socket = gtk_socket_new ();
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  gtk_box_pack_start (GTK_BOX (socket->box), socket->socket, TRUE, TRUE, 0);
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  socket->frame = gtk_frame_new (NULL);
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  gtk_frame_set_shadow_type (GTK_FRAME (socket->frame), GTK_SHADOW_IN);
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  gtk_box_pack_start (GTK_BOX (socket->box), socket->frame, TRUE, TRUE, 0);
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  gtk_widget_show (socket->frame);
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  label = gtk_label_new (NULL);
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  gtk_label_set_markup (GTK_LABEL (label), "Empty");
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  gtk_container_add (GTK_CONTAINER (socket->frame), label);
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  gtk_widget_show (label);
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  sockets = g_slist_prepend (sockets, socket);
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  g_signal_connect (socket->socket, "destroy",
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		    G_CALLBACK (socket_destroyed), socket);
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  g_signal_connect (socket->socket, "plug_added",
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		    G_CALLBACK (plug_added), socket);
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  g_signal_connect (socket->socket, "plug_removed",
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		    G_CALLBACK (plug_removed), socket);
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  return socket;
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}
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void
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steal (GtkWidget *window, GtkEntry *entry)
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{
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  guint32 xid;
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  const gchar *text;
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  Socket *socket;
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  text = gtk_entry_get_text (entry);
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  xid = strtol (text, NULL, 0);
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  if (xid == 0)
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    {
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      g_warning ("Invalid window id '%s'\n", text);
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      return;
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    }
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  socket = create_socket ();
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  gtk_box_pack_start (GTK_BOX (box), socket->box, TRUE, TRUE, 0);
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  gtk_widget_show (socket->box);
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  gtk_socket_steal (GTK_SOCKET (socket->socket), xid);
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}
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void
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remove_child (GtkWidget *window)
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{
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  if (sockets)
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    {
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      Socket *socket = sockets->data;
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      gtk_widget_destroy (socket->box);
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    }
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}
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static gboolean
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child_read_watch (GIOChannel *channel, GIOCondition cond, gpointer data)
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{
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  GIOStatus status;
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  GError *error = NULL;
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  char *line;
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  gsize term;
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  int xid;
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  status = g_io_channel_read_line (channel, &line, NULL, &term, &error);
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  switch (status)
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    {
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    case G_IO_STATUS_NORMAL:
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      line[term] = '\0';
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      xid = strtol (line, NULL, 0);
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      if (xid == 0)
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	{
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	  fprintf (stderr, "Invalid window id '%s'\n", line);
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	}
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      else
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	{
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	  Socket *socket = create_socket ();
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	  gtk_box_pack_start (GTK_BOX (box), socket->box, TRUE, TRUE, 0);
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	  gtk_widget_show (socket->box);
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	  gtk_socket_add_id (GTK_SOCKET (socket->socket), xid);
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	}
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      g_free (line);
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      return TRUE;
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    case G_IO_STATUS_AGAIN:
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      return TRUE;
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    case G_IO_STATUS_EOF:
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      n_children--;
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      return FALSE;
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    case G_IO_STATUS_ERROR:
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      fprintf (stderr, "Error reading fd from child: %s\n", error->message);
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      exit (1);
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      return FALSE;
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    default:
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      g_assert_not_reached ();
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      return FALSE;
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    }
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}
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void
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add_child (GtkWidget *window,
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	   gboolean   active)
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{
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  Socket *socket;
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  char *argv[3] = { "./testsocket_child", NULL, NULL };
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  char buffer[20];
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  int out_fd;
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  GIOChannel *channel;
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  GError *error = NULL;
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  if (active)
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    {
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      socket = create_socket ();
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      gtk_box_pack_start (GTK_BOX (box), socket->box, TRUE, TRUE, 0);
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      gtk_widget_show (socket->box);
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      sprintf(buffer, "%#lx", (gulong) gtk_socket_get_id (GTK_SOCKET (socket->socket)));
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      argv[1] = buffer;
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    }
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  if (!g_spawn_async_with_pipes (NULL, argv, NULL, 0, NULL, NULL, NULL, NULL, &out_fd, NULL, &error))
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    {
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      fprintf (stderr, "Can't exec testsocket_child: %s\n", error->message);
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      exit (1);
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    }
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  n_children++;
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  channel = g_io_channel_unix_new (out_fd);
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  g_io_channel_set_close_on_unref (channel, TRUE);
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  g_io_channel_set_flags (channel, G_IO_FLAG_NONBLOCK, &error);
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  if (error)
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    {
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      fprintf (stderr, "Error making channel non-blocking: %s\n", error->message);
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      exit (1);
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    }
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  g_io_add_watch (channel, G_IO_IN | G_IO_HUP, child_read_watch, NULL);
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  g_io_channel_unref (channel);
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}
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void
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add_active_child (GtkWidget *window)
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{
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  add_child (window, TRUE);
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}
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void
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add_passive_child (GtkWidget *window)
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{
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  add_child (window, FALSE);
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}
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void
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add_local_active_child (GtkWidget *window)
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{
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  Socket *socket;
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  socket = create_socket ();
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  gtk_box_pack_start (GTK_BOX (box), socket->box, TRUE, TRUE, 0);
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  gtk_widget_show (socket->box);
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  create_child_plug (gtk_socket_get_id (GTK_SOCKET (socket->socket)), TRUE);
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}
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void
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add_local_passive_child (GtkWidget *window)
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{
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  Socket *socket;
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  GdkNativeWindow xid;
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  socket = create_socket ();
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  gtk_box_pack_start (GTK_BOX (box), socket->box, TRUE, TRUE, 0);
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  gtk_widget_show (socket->box);
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  xid = create_child_plug (0, TRUE);
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  gtk_socket_add_id (GTK_SOCKET (socket->socket), xid);
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}
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static const char *
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grab_string (int status)
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{
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  switch (status) {
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  case GDK_GRAB_SUCCESS:          return "GrabSuccess";
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  case GDK_GRAB_ALREADY_GRABBED:  return "AlreadyGrabbed";
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  case GDK_GRAB_INVALID_TIME:     return "GrabInvalidTime";
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  case GDK_GRAB_NOT_VIEWABLE:     return "GrabNotViewable";
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  case GDK_GRAB_FROZEN:           return "GrabFrozen";
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  default:
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    {
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      static char foo [255];
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      sprintf (foo, "unknown status: %d", status);
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      return foo;
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    }
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  }
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}
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static void
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grab_window_toggled (GtkToggleButton *button,
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		     GtkWidget       *widget)
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{
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  if (gtk_toggle_button_get_active (button))
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    {
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      int status;
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      status = gdk_keyboard_grab (widget->window, FALSE, GDK_CURRENT_TIME);
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      if (status != GDK_GRAB_SUCCESS)
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	g_warning ("Could not grab keyboard!  (%s)", grab_string (status));
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    } 
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  else 
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    {
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      gdk_keyboard_ungrab (GDK_CURRENT_TIME);
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    }
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}
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int
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main (int argc, char *argv[])
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{
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  GtkWidget *button;
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  GtkWidget *hbox;
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  GtkWidget *vbox;
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  GtkWidget *entry;
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  GtkWidget *checkbutton;
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  GtkAccelGroup *accel_group;
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  GtkItemFactory *item_factory;
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  gtk_init (&argc, &argv);
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  window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
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  g_signal_connect (window, "destroy",
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		    G_CALLBACK (gtk_main_quit), NULL);
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  gtk_window_set_title (GTK_WINDOW (window), "Socket Test");
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  gtk_container_set_border_width (GTK_CONTAINER (window), 0);
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  vbox = gtk_vbox_new (FALSE, 0);
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  gtk_container_add (GTK_CONTAINER (window), vbox);
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  accel_group = gtk_accel_group_new ();
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  gtk_window_add_accel_group (GTK_WINDOW (window), accel_group);
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  item_factory = gtk_item_factory_new (GTK_TYPE_MENU_BAR, "<main>", accel_group);
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  gtk_item_factory_create_items (item_factory,
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				 G_N_ELEMENTS (menu_items), menu_items,
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				 NULL);
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  gtk_box_pack_start (GTK_BOX (vbox),
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		      gtk_item_factory_get_widget (item_factory, "<main>"),
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		      FALSE, FALSE, 0);
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  button = gtk_button_new_with_label ("Add Active Child");
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  gtk_box_pack_start (GTK_BOX(vbox), button, FALSE, FALSE, 0);
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  g_signal_connect_swapped (button, "clicked",
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			    G_CALLBACK (add_active_child), vbox);
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  button = gtk_button_new_with_label ("Add Passive Child");
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  gtk_box_pack_start (GTK_BOX(vbox), button, FALSE, FALSE, 0);
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  g_signal_connect_swapped (button, "clicked",
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			    G_CALLBACK (add_passive_child), vbox);
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  button = gtk_button_new_with_label ("Add Local Active Child");
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  gtk_box_pack_start (GTK_BOX(vbox), button, FALSE, FALSE, 0);
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  g_signal_connect_swapped (button, "clicked",
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			    G_CALLBACK (add_local_active_child), vbox);
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  button = gtk_button_new_with_label ("Add Local Passive Child");
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  gtk_box_pack_start (GTK_BOX(vbox), button, FALSE, FALSE, 0);
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  g_signal_connect_swapped (button, "clicked",
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			    G_CALLBACK (add_local_passive_child), vbox);
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  button = gtk_button_new_with_label ("Remove Last Child");
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  gtk_box_pack_start (GTK_BOX(vbox), button, FALSE, FALSE, 0);
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  g_signal_connect_swapped (button, "clicked",
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			    G_CALLBACK (remove_child), vbox);
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  checkbutton = gtk_check_button_new_with_label ("Grab keyboard");
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  gtk_box_pack_start (GTK_BOX (vbox), checkbutton, FALSE, FALSE, 0);
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  g_signal_connect (checkbutton, "toggled",
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		    G_CALLBACK (grab_window_toggled),
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		    window);
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  hbox = gtk_hbox_new (FALSE, 0);
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  gtk_box_pack_start (GTK_BOX(vbox), hbox, FALSE, FALSE, 0);
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  entry = gtk_entry_new ();
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  gtk_box_pack_start (GTK_BOX(hbox), entry, FALSE, FALSE, 0);
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  button = gtk_button_new_with_label ("Steal");
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  gtk_box_pack_start (GTK_BOX(hbox), button, FALSE, FALSE, 0);
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  g_signal_connect (button, "clicked",
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		    G_CALLBACK (steal),
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		    entry);
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  hbox = gtk_hbox_new (FALSE, 0);
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  gtk_box_pack_start (GTK_BOX (vbox), hbox, FALSE, FALSE, 0);
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  box = hbox;
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  gtk_widget_show_all (window);
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  gtk_main ();
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  if (n_children)
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    {
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      g_print ("Waiting for children to exit\n");
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      while (n_children)
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	g_main_context_iteration (NULL, TRUE);
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    }
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  return 0;
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}