569 lines
15 KiB
C
569 lines
15 KiB
C
/* Metacity main() */
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/*
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* Copyright (C) 2001 Havoc Pennington
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* 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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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
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* 02111-1307, USA.
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*/
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#include <config.h>
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#include "main.h"
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#include "util.h"
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#include "display.h"
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#include "errors.h"
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#include "ui.h"
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#include "session.h"
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#include "prefs.h"
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#include <glib-object.h>
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#include <gmodule.h>
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#ifdef HAVE_GCONF
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#include <gconf/gconf-client.h>
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#endif
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#include <stdlib.h>
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#include <sys/types.h>
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#include <stdio.h>
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#include <string.h>
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#include <signal.h>
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#include <unistd.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <locale.h>
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#include <time.h>
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static MetaExitCode meta_exit_code = META_EXIT_SUCCESS;
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static GMainLoop *meta_main_loop = NULL;
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static gboolean meta_restart_after_quit = FALSE;
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static void prefs_changed_callback (MetaPreference pref,
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gpointer data);
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static void
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log_handler (const gchar *log_domain,
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GLogLevelFlags log_level,
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const gchar *message,
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gpointer user_data)
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{
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meta_warning ("Log level %d: %s\n", log_level, message);
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meta_print_backtrace ();
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}
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static void
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usage (void)
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{
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g_print (_("metacity [--sm-disable] [--sm-client-id=ID] [--sm-save-file=FILENAME] [--display=DISPLAY] [--replace] [--version]\n"));
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exit (1);
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}
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static void
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version (void)
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{
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g_print (_("metacity %s\n"
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"Copyright (C) 2001-2002 Havoc Pennington, Red Hat, Inc., and others\n"
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"This is free software; see the source for copying conditions.\n"
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"There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n"),
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VERSION);
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exit (0);
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}
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#define GNOME_ACCESSIBILITY_KEY "/desktop/gnome/interface/accessibility"
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static char *
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find_accessibility_module (const char *libname)
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{
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char *path;
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char *fname;
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char *retval;
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retval = NULL;
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fname = g_strconcat (libname, "." G_MODULE_SUFFIX, NULL);
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path = g_strconcat (METACITY_LIBDIR"/gtk-2.0/modules", G_DIR_SEPARATOR_S, fname, NULL);
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if (g_file_test (path, G_FILE_TEST_EXISTS))
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retval = path;
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if (path)
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retval = path;
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else
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g_free (path);
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g_free (fname);
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return retval;
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}
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static gboolean
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accessibility_invoke_module (const char *libname,
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gboolean init)
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{
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GModule *handle;
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void (*invoke_fn) (void);
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const char *method;
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gboolean retval = FALSE;
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char *module_name;
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if (init)
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method = "gnome_accessibility_module_init";
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else
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method = "gnome_accessibility_module_shutdown";
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module_name = find_accessibility_module (libname);
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if (!module_name)
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{
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g_warning ("Accessibility: failed to find module '%s' which "
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"is needed to make this application accessible",
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libname);
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}
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else if (!(handle = g_module_open (module_name, G_MODULE_BIND_LAZY)))
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{
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g_warning ("Accessibility: failed to load module '%s': '%s'",
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libname, g_module_error ());
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}
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else if (!g_module_symbol (handle, method, (gpointer *)&invoke_fn))
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{
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g_warning ("Accessibility: error library '%s' does not include "
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"method '%s' required for accessibility support",
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libname, method);
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g_module_close (handle);
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}
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else
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{
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retval = TRUE;
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invoke_fn ();
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}
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g_free (module_name);
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return retval;
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}
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static gboolean
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accessibility_invoke (gboolean init)
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{
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accessibility_invoke_module ("libgail", init);
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accessibility_invoke_module ("libatk-bridge", init);
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return TRUE;
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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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struct sigaction act;
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sigset_t empty_mask;
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char *display_name;
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int i;
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const char *client_id;
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gboolean disable_sm;
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const char *prev_arg;
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const char *save_file;
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g_set_prgname (argv[0]);
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if (setlocale (LC_ALL, "") == NULL)
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meta_warning ("Locale not understood by C library, internationalization will not work\n");
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sigemptyset (&empty_mask);
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act.sa_handler = SIG_IGN;
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act.sa_mask = empty_mask;
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act.sa_flags = 0;
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if (sigaction (SIGPIPE, &act, 0) < 0)
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g_printerr ("Failed to register SIGPIPE handler: %s\n",
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g_strerror (errno));
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#ifdef SIGXFSZ
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if (sigaction (SIGXFSZ, &act, 0) < 0)
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g_printerr ("Failed to register SIGXFSZ handler: %s\n",
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g_strerror (errno));
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#endif
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if (g_getenv ("METACITY_VERBOSE"))
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meta_set_verbose (TRUE);
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if (g_getenv ("METACITY_DEBUG"))
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meta_set_debugging (TRUE);
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meta_set_syncing (g_getenv ("METACITY_SYNC") != NULL);
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if (g_get_home_dir ())
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chdir (g_get_home_dir ());
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{
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char buf[256];
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GDate d;
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g_date_clear (&d, 1);
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g_date_set_time (&d, time (NULL));
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g_date_strftime (buf, sizeof (buf), "%x", &d);
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meta_verbose ("Metacity version %s running on %s\n", VERSION, buf);
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}
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{
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const char *charset;
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g_get_charset (&charset);
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meta_verbose ("Running in locale \"%s\" with encoding \"%s\"\n",
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setlocale (LC_ALL, NULL), charset);
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}
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bindtextdomain (GETTEXT_PACKAGE, METACITY_LOCALEDIR);
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bind_textdomain_codeset (GETTEXT_PACKAGE, "UTF-8");
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textdomain (GETTEXT_PACKAGE);
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/* Parse options lamely */
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display_name = NULL;
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client_id = NULL;
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save_file = NULL;
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disable_sm = FALSE;
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prev_arg = NULL;
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i = 1;
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while (i < argc)
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{
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const char *arg = argv[i];
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if (strcmp (arg, "--help") == 0 ||
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strcmp (arg, "-h") == 0 ||
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strcmp (arg, "-?") == 0)
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usage ();
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else if (strcmp (arg, "--version") == 0)
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version ();
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else if (strcmp (arg, "--sm-disable") == 0)
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disable_sm = TRUE;
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else if (strcmp (arg, "--replace") == 0)
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meta_set_replace_current_wm (TRUE);
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else if (strstr (arg, "--display=") == arg)
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{
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const char *disp;
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if (display_name != NULL)
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meta_fatal ("Can't specify display twice\n");
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disp = strchr (arg, '=');
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++disp;
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display_name =
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g_strconcat ("DISPLAY=", disp, NULL);
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}
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else if (prev_arg &&
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strcmp (prev_arg, "--display") == 0)
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{
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if (display_name != NULL)
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meta_fatal ("Can't specify display twice\n");
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display_name = g_strconcat ("DISPLAY=", arg, NULL);
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}
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else if (strcmp (arg, "--display") == 0)
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; /* wait for next arg */
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else if (strstr (arg, "--sm-client-id=") == arg)
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{
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const char *id;
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if (client_id)
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meta_fatal ("Can't specify client ID twice\n");
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id = strchr (arg, '=');
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++id;
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client_id = g_strdup (id);
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}
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else if (prev_arg &&
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strcmp (prev_arg, "--sm-client-id") == 0)
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{
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if (client_id)
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meta_fatal ("Can't specify client ID twice\n");
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client_id = g_strdup (arg);
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}
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else if (strcmp (arg, "--sm-client-id") == 0)
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; /* wait for next arg */
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else if (strstr (arg, "--sm-save-file=") == arg)
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{
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const char *file;
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if (save_file)
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meta_fatal ("Can't specify SM save file twice\n");
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file = strchr (arg, '=');
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++file;
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save_file = g_strdup (file);
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}
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else if (prev_arg &&
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strcmp (prev_arg, "--sm-save-file") == 0)
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{
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if (save_file)
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meta_fatal ("Can't specify SM save file twice\n");
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save_file = g_strdup (arg);
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}
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else if (strcmp (arg, "--sm-save-file") == 0)
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; /* wait for next arg */
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else
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usage ();
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prev_arg = arg;
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++i;
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}
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if (save_file && client_id)
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meta_fatal ("Can't specify both SM save file and SM client id\n");
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meta_main_loop = g_main_loop_new (NULL, FALSE);
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if (display_name == NULL &&
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g_getenv ("METACITY_DISPLAY"))
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{
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meta_verbose ("Using METACITY_DISPLAY %s\n",
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g_getenv ("METACITY_DISPLAY"));
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display_name =
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g_strconcat ("DISPLAY=", g_getenv ("METACITY_DISPLAY"), NULL);
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}
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if (display_name)
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{
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putenv (display_name);
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/* DO NOT FREE display_name, putenv() sucks */
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}
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g_type_init ();
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#ifdef HAVE_SHAPE
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meta_verbose ("Compiled with shape extension\n");
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#else
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meta_verbose ("Compiled without shape extension\n");
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#endif
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#ifdef HAVE_XINERAMA
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meta_topic (META_DEBUG_XINERAMA, "Compiled with Xinerama extension\n");
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#else
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meta_topic (META_DEBUG_XINERAMA, "Compiled without Xinerama extension\n");
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#endif
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#ifdef HAVE_XFREE_XINERAMA
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meta_topic (META_DEBUG_XINERAMA, " (using XFree86 Xinerama)\n");
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#else
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meta_topic (META_DEBUG_XINERAMA, " (not using XFree86 Xinerama)\n");
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#endif
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#ifdef HAVE_SOLARIS_XINERAMA
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meta_topic (META_DEBUG_XINERAMA, " (using Solaris Xinerama)\n");
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#else
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meta_topic (META_DEBUG_XINERAMA, " (not using Solaris Xinerama)\n");
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#endif
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#ifdef HAVE_XSYNC
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meta_verbose ("Compiled with sync extension\n");
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#else
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meta_verbose ("Compiled without sync extension\n");
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#endif
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#ifdef HAVE_RANDR
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meta_verbose ("Compiled with randr extension\n");
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#else
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meta_verbose ("Compiled without randr extension\n");
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#endif
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#ifdef HAVE_STARTUP_NOTIFICATION
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meta_verbose ("Compiled with startup notification\n");
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#else
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meta_verbose ("Compiled without startup notification\n");
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#endif
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#ifdef HAVE_COMPOSITE_EXTENSIONS
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meta_verbose ("Compiled with composite extensions\n");
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#else
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meta_verbose ("Compiled without composite extensions\n");
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#endif
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/* Load prefs */
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meta_prefs_init ();
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meta_prefs_add_listener (prefs_changed_callback, NULL);
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meta_ui_init (&argc, &argv);
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/* must be after UI init so we can override GDK handlers */
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meta_errors_init ();
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#if 1
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g_log_set_handler (NULL,
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G_LOG_LEVEL_MASK | G_LOG_FLAG_FATAL | G_LOG_FLAG_RECURSION,
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log_handler, NULL);
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g_log_set_handler (G_LOG_DOMAIN,
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G_LOG_LEVEL_MASK | G_LOG_FLAG_FATAL | G_LOG_FLAG_RECURSION,
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log_handler, NULL);
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g_log_set_handler ("Gtk",
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G_LOG_LEVEL_MASK | G_LOG_FLAG_FATAL | G_LOG_FLAG_RECURSION,
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log_handler, NULL);
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g_log_set_handler ("Gdk",
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G_LOG_LEVEL_MASK | G_LOG_FLAG_FATAL | G_LOG_FLAG_RECURSION,
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log_handler, NULL);
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g_log_set_handler ("GLib",
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G_LOG_LEVEL_MASK | G_LOG_FLAG_FATAL | G_LOG_FLAG_RECURSION,
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log_handler, NULL);
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g_log_set_handler ("Pango",
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G_LOG_LEVEL_MASK | G_LOG_FLAG_FATAL | G_LOG_FLAG_RECURSION,
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log_handler, NULL);
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g_log_set_handler ("GLib-GObject",
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G_LOG_LEVEL_MASK | G_LOG_FLAG_FATAL | G_LOG_FLAG_RECURSION,
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log_handler, NULL);
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g_log_set_handler ("GThread",
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G_LOG_LEVEL_MASK | G_LOG_FLAG_FATAL | G_LOG_FLAG_RECURSION,
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log_handler, NULL);
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#endif
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if (g_getenv ("METACITY_G_FATAL_WARNINGS") != NULL)
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g_log_set_always_fatal (G_LOG_LEVEL_MASK);
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meta_ui_set_current_theme (meta_prefs_get_theme (), FALSE);
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/* Try to find some theme that'll work if the theme preference
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* doesn't exist. First try Simple (the default theme) then just
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* try anything in the themes directory.
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*/
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if (!meta_ui_have_a_theme ())
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meta_ui_set_current_theme ("Simple", FALSE);
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if (!meta_ui_have_a_theme ())
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{
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const char *dir_entry = NULL;
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GError *err = NULL;
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GDir *themes_dir = NULL;
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if (!(themes_dir = g_dir_open (METACITY_DATADIR"/themes", 0, &err)))
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{
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meta_fatal (_("Failed to scan themes directory: %s\n"), err->message);
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g_error_free (err);
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}
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else
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{
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while (((dir_entry = g_dir_read_name (themes_dir)) != NULL) &&
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(!meta_ui_have_a_theme ()))
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{
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meta_ui_set_current_theme (dir_entry, FALSE);
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}
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g_dir_close (themes_dir);
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}
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}
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|
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if (!meta_ui_have_a_theme ())
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meta_fatal (_("Could not find a theme! Be sure %s exists and contains the usual themes."),
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METACITY_DATADIR"/themes");
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|
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/* Connect to SM as late as possible - but before managing display,
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* or we might try to manage a window before we have the session
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* info
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*/
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if (!disable_sm)
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meta_session_init (client_id, save_file);
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|
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if (!meta_display_open (NULL))
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meta_exit (META_EXIT_ERROR);
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|
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{
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gboolean do_init_a11y;
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do_init_a11y = FALSE;
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|
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#ifdef HAVE_GCONF
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do_init_a11y = gconf_client_get_bool (
|
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gconf_client_get_default (),
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GNOME_ACCESSIBILITY_KEY, NULL);
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#endif
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|
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if (do_init_a11y)
|
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accessibility_invoke (TRUE);
|
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}
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|
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g_main_run (meta_main_loop);
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{
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GSList *displays;
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GSList *tmp;
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|
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/* we need a copy since closing the display removes it
|
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* from the list
|
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*/
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displays = g_slist_copy (meta_displays_list ());
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tmp = displays;
|
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while (tmp != NULL)
|
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{
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meta_display_close (tmp->data);
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tmp = tmp->next;
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}
|
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g_slist_free (displays);
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}
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|
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meta_session_shutdown ();
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|
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if (meta_restart_after_quit)
|
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{
|
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GError *err;
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|
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err = NULL;
|
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if (!g_spawn_async (NULL,
|
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argv,
|
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NULL,
|
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G_SPAWN_SEARCH_PATH,
|
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NULL,
|
|
NULL,
|
|
NULL,
|
|
&err))
|
|
{
|
|
meta_fatal (_("Failed to restart: %s\n"),
|
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err->message);
|
|
g_error_free (err); /* not reached anyhow */
|
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meta_exit_code = META_EXIT_ERROR;
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}
|
|
}
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|
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return meta_exit_code;
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}
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|
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GMainLoop*
|
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meta_get_main_loop (void)
|
|
{
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|
return meta_main_loop;
|
|
}
|
|
|
|
void
|
|
meta_quit (MetaExitCode code)
|
|
{
|
|
meta_exit_code = code;
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|
|
if (g_main_is_running (meta_main_loop))
|
|
g_main_quit (meta_main_loop);
|
|
}
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|
|
void
|
|
meta_restart (void)
|
|
{
|
|
meta_restart_after_quit = TRUE;
|
|
meta_quit (META_EXIT_SUCCESS);
|
|
}
|
|
|
|
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;
|
|
|
|
default:
|
|
/* handled elsewhere or otherwise */
|
|
break;
|
|
}
|
|
}
|