Example #1
0
/**
 * meta_run: (skip)
 *
 * Runs mutter. Call this after completing initialization that doesn't require
 * an event loop.
 *
 * Return value: mutter's exit status
 */
int
meta_run (void)
{
  /* Load prefs */
  meta_prefs_init ();
  meta_prefs_add_listener (prefs_changed_callback, NULL);

  meta_ui_set_current_theme (meta_prefs_get_theme ());

  /* Try to find some theme that'll work if the theme preference
   * doesn't exist.  First try Simple (the default theme) then just
   * try anything in the themes directory.
   */
  if (!meta_ui_have_a_theme ())
    meta_ui_set_current_theme ("Simple");

  if (!meta_ui_have_a_theme ())
    {
      const char *dir_entry = NULL;
      GError *err = NULL;
      GDir   *themes_dir = NULL;

      if (!(themes_dir = g_dir_open (MUTTER_DATADIR"/themes", 0, &err)))
        {
          meta_fatal (_("Failed to scan themes directory: %s\n"), err->message);
          g_error_free (err);
        }
      else
        {
          while (((dir_entry = g_dir_read_name (themes_dir)) != NULL) &&
                 (!meta_ui_have_a_theme ()))
            {
              meta_ui_set_current_theme (dir_entry);
            }

          g_dir_close (themes_dir);
        }
    }

  if (!meta_ui_have_a_theme ())
    meta_fatal (_("Could not find a theme! Be sure %s exists and contains the usual themes.\n"),
                MUTTER_DATADIR"/themes");

  if (!meta_display_open ())
    meta_exit (META_EXIT_ERROR);

  g_main_loop_run (meta_main_loop);

  meta_finalize ();

  return meta_exit_code;
}
Example #2
0
/**
 * prefs_changed_callback:
 * @pref:  Which preference has changed
 * @data:  Arbitrary data (which we ignore)
 *
 * Called on pref changes. (One of several functions of its kind and purpose.)
 *
 * FIXME: Why are these particular prefs handled in main.c and not others?
 *        Should they be?
 */
static void
prefs_changed_callback (MetaPreference pref,
                        gpointer       data)
{
  switch (pref)
    {
    case META_PREF_THEME:
    case META_PREF_DRAGGABLE_BORDER_WIDTH:
      meta_ui_set_current_theme (meta_prefs_get_theme ());
      meta_display_retheme_all ();
      break;

    default:
      /* handled elsewhere or otherwise */
      break;
    }
}
Example #3
0
/**
 * Called on pref changes. (One of several functions of its kind and purpose.)
 *
 * \bug Why are these particular prefs handled in main.c and not others?
 * Should they be?
 *
 * \param pref  Which preference has changed
 * \param data  Arbitrary data (which we ignore)
 */
static void
prefs_changed_callback (MetaPreference pref,
                        gpointer       data)
{
  switch (pref)
    {
    case META_PREF_THEME:
      meta_ui_set_current_theme (meta_prefs_get_theme (), FALSE);
      meta_display_retheme_all ();
      break;

    case META_PREF_CURSOR_THEME:
    case META_PREF_CURSOR_SIZE:
      meta_display_set_cursor_theme (meta_prefs_get_cursor_theme (),
				     meta_prefs_get_cursor_size ());
      break;
    default:
      /* handled elsewhere or otherwise */
      break;
    }
}
Example #4
0
/**
 * meta_run: (skip)
 *
 * Runs muffin. Call this after completing your own initialization.
 *
 * Return value: muffin's exit status
 */
int
meta_run (void)
{
  const gchar *log_domains[] = {
    NULL, G_LOG_DOMAIN, "Gtk", "Gdk", "GLib",
    "Pango", "GLib-GObject", "GThread"
  };
  guint i;

  /* Load prefs */
  meta_prefs_init ();
  meta_prefs_add_listener (prefs_changed_callback, NULL);

  for (i=0; i<G_N_ELEMENTS(log_domains); i++)
    g_log_set_handler (log_domains[i],
                       G_LOG_LEVEL_MASK | G_LOG_FLAG_FATAL | G_LOG_FLAG_RECURSION,
                       log_handler, NULL);

  if (g_getenv ("MUFFIN_G_FATAL_WARNINGS") != NULL)
    g_log_set_always_fatal (G_LOG_LEVEL_MASK);
  
  meta_ui_set_current_theme (meta_prefs_get_theme (), FALSE);

  if (!meta_ui_have_a_theme ())
    {
      meta_ui_set_current_theme ("Default", FALSE);
      meta_warning (_("Could not find theme %s. Falling back to default theme."), meta_prefs_get_theme ());
    }
 
 
  /* Connect to SM as late as possible - but before managing display,
   * or we might try to manage a window before we have the session
   * info
   */
  if (!opt_disable_sm)
    {
      if (opt_client_id == NULL)
        {
          const gchar *desktop_autostart_id;
  
          desktop_autostart_id = g_getenv ("DESKTOP_AUTOSTART_ID");
 
          if (desktop_autostart_id != NULL)
            opt_client_id = g_strdup (desktop_autostart_id);
        }

      /* Unset DESKTOP_AUTOSTART_ID in order to avoid child processes to
       * use the same client id. */
      g_unsetenv ("DESKTOP_AUTOSTART_ID");

      meta_session_init (opt_client_id, opt_save_file);
    }
  /* Free memory possibly allocated by the argument parsing which are
   * no longer needed.
   */
  g_free (opt_save_file);
  g_free (opt_display_name);
  g_free (opt_client_id);

  if (!meta_display_open ())
    meta_exit (META_EXIT_ERROR);
  
  g_main_loop_run (meta_main_loop);

  meta_finalize ();

  return meta_exit_code;
}
Example #5
0
/**
 * meta_run: (skip)
 *
 * Runs muffin. Call this after completing your own initialization.
 *
 * Return value: muffin's exit status
 */
int
meta_run (void)
{
  const gchar *log_domains[] = {
    NULL, G_LOG_DOMAIN, "Gtk", "Gdk", "GLib",
    "Pango", "GLib-GObject", "GThread"
  };
  guint i;

  /* Load prefs */
  meta_prefs_init ();
  meta_prefs_add_listener (prefs_changed_callback, NULL);

  for (i=0; i<G_N_ELEMENTS(log_domains); i++)
    g_log_set_handler (log_domains[i],
                       G_LOG_LEVEL_MASK | G_LOG_FLAG_FATAL | G_LOG_FLAG_RECURSION,
                       log_handler, NULL);

  if (g_getenv ("MUFFIN_G_FATAL_WARNINGS") != NULL)
    g_log_set_always_fatal (G_LOG_LEVEL_MASK);
  
  meta_ui_set_current_theme (meta_prefs_get_theme (), FALSE);

  /* Try to find some theme that'll work if the theme preference
   * doesn't exist.  First try Simple (the default theme) then just
   * try anything in the themes directory.
   */
  if (!meta_ui_have_a_theme ())
    meta_ui_set_current_theme ("Simple", FALSE);
  
  if (!meta_ui_have_a_theme ())
    {
      const char *dir_entry = NULL;
      GError *err = NULL;
      GDir   *themes_dir = NULL;
      
      if (!(themes_dir = g_dir_open (MUFFIN_DATADIR"/themes", 0, &err)))
        {
          meta_fatal (_("Failed to scan themes directory: %s\n"), err->message);
          g_error_free (err);
        } 
      else 
        {
          while (((dir_entry = g_dir_read_name (themes_dir)) != NULL) && 
                 (!meta_ui_have_a_theme ()))
            {
              meta_ui_set_current_theme (dir_entry, FALSE);
            }
          
          g_dir_close (themes_dir);
        }
    }
  
  if (!meta_ui_have_a_theme ())
    meta_fatal (_("Could not find a theme! Be sure %s exists and contains the usual themes.\n"),
                MUFFIN_DATADIR"/themes");
  
  /* Connect to SM as late as possible - but before managing display,
   * or we might try to manage a window before we have the session
   * info
   */
  if (!opt_disable_sm)
    {
      if (opt_client_id == NULL)
        {
          const gchar *desktop_autostart_id;
  
          desktop_autostart_id = g_getenv ("DESKTOP_AUTOSTART_ID");
 
          if (desktop_autostart_id != NULL)
            opt_client_id = g_strdup (desktop_autostart_id);
        }

      /* Unset DESKTOP_AUTOSTART_ID in order to avoid child processes to
       * use the same client id. */
      g_unsetenv ("DESKTOP_AUTOSTART_ID");

      meta_session_init (opt_client_id, opt_save_file);
    }
  /* Free memory possibly allocated by the argument parsing which are
   * no longer needed.
   */
  g_free (opt_save_file);
  g_free (opt_display_name);
  g_free (opt_client_id);

  if (!meta_display_open ())
    meta_exit (META_EXIT_ERROR);
  
  g_main_loop_run (meta_main_loop);

  meta_finalize ();

  return meta_exit_code;
}
Example #6
0
/**
 * This is where the story begins. It parses commandline options and
 * environment variables, sets up the screen, hands control off to
 * GTK, and cleans up afterwards.
 *
 * \param argc Number of arguments (as usual)
 * \param argv Array of arguments (as usual)
 *
 * \bug It's a bit long. It would be good to split it out into separate
 * functions.
 */
int
main (int argc, char **argv)
{
  struct sigaction act;
  sigset_t empty_mask;
  MetaArguments meta_args;
  const gchar *log_domains[] = {
    NULL, G_LOG_DOMAIN, "Gtk", "Gdk", "GLib",
    "Pango", "GLib-GObject", "GThread"
  };
  guint i;
  GIOChannel *channel;

  if (setlocale (LC_ALL, "") == NULL)
    meta_warning ("Locale not understood by C library, internationalization will not work\n");

  sigemptyset (&empty_mask);
  act.sa_handler = SIG_IGN;
  act.sa_mask    = empty_mask;
  act.sa_flags   = 0;
  if (sigaction (SIGPIPE,  &act, NULL) < 0)
    g_printerr ("Failed to register SIGPIPE handler: %s\n",
                g_strerror (errno));
#ifdef SIGXFSZ
  if (sigaction (SIGXFSZ,  &act, NULL) < 0)
    g_printerr ("Failed to register SIGXFSZ handler: %s\n",
                g_strerror (errno));
#endif

  if (pipe (sigterm_pipe_fds) != 0)
    g_printerr ("Failed to create SIGTERM pipe: %s\n",
                g_strerror (errno));

  channel = g_io_channel_unix_new (sigterm_pipe_fds[0]);
  g_io_channel_set_flags (channel, G_IO_FLAG_NONBLOCK, NULL);
  g_io_add_watch (channel, G_IO_IN, (GIOFunc) on_sigterm, NULL);
  g_io_channel_set_close_on_unref (channel, TRUE);
  g_io_channel_unref (channel);

  act.sa_handler = &sigterm_handler;
  if (sigaction (SIGTERM, &act, NULL) < 0)
    g_printerr ("Failed to register SIGTERM handler: %s\n",
		g_strerror (errno));

  if (g_getenv ("METACITY_VERBOSE"))
    meta_set_verbose (TRUE);
  if (g_getenv ("METACITY_DEBUG"))
    meta_set_debugging (TRUE);

  if (g_get_home_dir ())
    if (chdir (g_get_home_dir ()) < 0)
      meta_warning ("Could not change to home directory %s.\n",
                    g_get_home_dir ());

  meta_print_self_identity ();
  
  bindtextdomain (GETTEXT_PACKAGE, METACITY_LOCALEDIR);
  bind_textdomain_codeset (GETTEXT_PACKAGE, "UTF-8");
  textdomain (GETTEXT_PACKAGE);

  /* Parse command line arguments.*/
  meta_parse_options (&argc, &argv, &meta_args);

  meta_set_syncing (meta_args.sync || (g_getenv ("METACITY_SYNC") != NULL));

  if (meta_args.print_version)
    version ();

  meta_select_display (meta_args.display_name);
  
  if (meta_args.replace_wm)
    meta_set_replace_current_wm (TRUE);

  if (meta_args.save_file && meta_args.client_id)
    meta_fatal ("Can't specify both SM save file and SM client id\n");
  
  meta_main_loop = g_main_loop_new (NULL, FALSE);
  
  meta_ui_init (&argc, &argv);  

  /* must be after UI init so we can override GDK handlers */
  meta_errors_init ();

  /* Load prefs */
  meta_prefs_init ();
  meta_prefs_add_listener (prefs_changed_callback, NULL);


#if 1

  for (i=0; i<G_N_ELEMENTS(log_domains); i++)
    g_log_set_handler (log_domains[i],
                       G_LOG_LEVEL_MASK | G_LOG_FLAG_FATAL | G_LOG_FLAG_RECURSION,
                       log_handler, NULL);

#endif

  if (g_getenv ("METACITY_G_FATAL_WARNINGS") != NULL)
    g_log_set_always_fatal (G_LOG_LEVEL_MASK);
  
  meta_ui_set_current_theme (meta_prefs_get_theme (), FALSE);

  /* Try to find some theme that'll work if the theme preference
   * doesn't exist.  First try Simple (the default theme) then just
   * try anything in the themes directory.
   */
  if (!meta_ui_have_a_theme ())
    meta_ui_set_current_theme ("Simple", FALSE);
  
  if (!meta_ui_have_a_theme ())
    {
      const char *dir_entry = NULL;
      GError *err = NULL;
      GDir   *themes_dir = NULL;
      
      if (!(themes_dir = g_dir_open (METACITY_DATADIR"/themes", 0, &err)))
        {
          meta_fatal (_("Failed to scan themes directory: %s\n"), err->message);
          g_error_free (err);
        } 
      else 
        {
          while (((dir_entry = g_dir_read_name (themes_dir)) != NULL) && 
                 (!meta_ui_have_a_theme ()))
            {
              meta_ui_set_current_theme (dir_entry, FALSE);
            }
          
          g_dir_close (themes_dir);
        }
    }
  
  if (!meta_ui_have_a_theme ())
    meta_fatal (_("Could not find a theme! Be sure %s exists and contains the usual themes.\n"),
                METACITY_DATADIR"/themes");
  
  /* Connect to SM as late as possible - but before managing display,
   * or we might try to manage a window before we have the session
   * info
   */
  if (!meta_args.disable_sm)
    {
      if (meta_args.client_id == NULL)
        {
          const gchar *desktop_autostart_id;
  
          desktop_autostart_id = g_getenv ("DESKTOP_AUTOSTART_ID");
 
          if (desktop_autostart_id != NULL)
            meta_args.client_id = g_strdup (desktop_autostart_id);
        }

      /* Unset DESKTOP_AUTOSTART_ID in order to avoid child processes to
       * use the same client id. */
      g_unsetenv ("DESKTOP_AUTOSTART_ID");

      meta_session_init (meta_args.client_id, meta_args.save_file);
    }
  /* Free memory possibly allocated by the argument parsing which are
   * no longer needed.
   */
  g_free (meta_args.save_file);
  g_free (meta_args.display_name);
  g_free (meta_args.client_id);

  if (meta_args.composite || meta_args.no_composite)
    meta_prefs_set_compositing_manager (meta_args.composite);

  if (meta_args.no_force_fullscreen)
    meta_prefs_set_force_fullscreen (FALSE);

  if (!meta_display_open ())
    meta_exit (META_EXIT_ERROR);
  
  g_main_loop_run (meta_main_loop);

  meta_finalize ();

  if (meta_restart_after_quit)
    {
      GError *err;

      err = NULL;
      if (!g_spawn_async (NULL,
                          argv,
                          NULL,
                          G_SPAWN_SEARCH_PATH,
                          NULL,
                          NULL,
                          NULL,
                          &err))
        {
          meta_fatal (_("Failed to restart: %s\n"),
                      err->message);
          g_error_free (err); /* not reached anyhow */
          meta_exit_code = META_EXIT_ERROR;
        }
    }
  
  return meta_exit_code;
}
Example #7
0
/**
 * meta_run: (skip)
 *
 * Runs mutter. Call this after completing initialization that doesn't require
 * an event loop.
 *
 * Return value: mutter's exit status
 */
int
meta_run (void)
{
  const gchar *log_domains[] = {
    NULL, G_LOG_DOMAIN, "Gtk", "Gdk", "GLib",
    "Pango", "GLib-GObject", "GThread"
  };
  guint i;

  /* Load prefs */
  meta_prefs_init ();
  meta_prefs_add_listener (prefs_changed_callback, NULL);

  for (i=0; i<G_N_ELEMENTS(log_domains); i++)
    g_log_set_handler (log_domains[i],
                       G_LOG_LEVEL_MASK | G_LOG_FLAG_FATAL | G_LOG_FLAG_RECURSION,
                       log_handler, NULL);

  if (g_getenv ("MUTTER_G_FATAL_WARNINGS") != NULL)
    g_log_set_always_fatal (G_LOG_LEVEL_MASK);
  
  meta_ui_set_current_theme (meta_prefs_get_theme ());

  /* Try to find some theme that'll work if the theme preference
   * doesn't exist.  First try Simple (the default theme) then just
   * try anything in the themes directory.
   */
  if (!meta_ui_have_a_theme ())
    meta_ui_set_current_theme ("Simple");
  
  if (!meta_ui_have_a_theme ())
    {
      const char *dir_entry = NULL;
      GError *err = NULL;
      GDir   *themes_dir = NULL;
      
      if (!(themes_dir = g_dir_open (MUTTER_DATADIR"/themes", 0, &err)))
        {
          meta_fatal (_("Failed to scan themes directory: %s\n"), err->message);
          g_error_free (err);
        } 
      else 
        {
          while (((dir_entry = g_dir_read_name (themes_dir)) != NULL) && 
                 (!meta_ui_have_a_theme ()))
            {
              meta_ui_set_current_theme (dir_entry);
            }
          
          g_dir_close (themes_dir);
        }
    }
  
  if (!meta_ui_have_a_theme ())
    meta_fatal (_("Could not find a theme! Be sure %s exists and contains the usual themes.\n"),
                MUTTER_DATADIR"/themes");

  if (!meta_display_open ())
    meta_exit (META_EXIT_ERROR);
  
  g_main_loop_run (meta_main_loop);

  meta_finalize ();

  return meta_exit_code;
}