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Patch from Björn Lindqvist to split up main() into more manageable chunks
2005-07-12 Elijah Newren <newren@gmail.com> Patch from Björn Lindqvist to split up main() into more manageable chunks and make use of GOpt. Closes #305331. * src/main.c (usage): remove this function, (meta_print_compilation_info): new function taken from main(), (meta_print_self_identity): new function taken from main(), (struct MetaArguments) new struct to replace some free variables, (meta_parse_options): new funcion taken from main() but now using GOpt, (meta_select_display): new function taken from main()
This commit is contained in:
Elijah Newren
Elijah Newren
parent
d09fb9f806
commit
0e956c674f
14
ChangeLog
14
ChangeLog
@ -1,7 +1,19 @@
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2005-07-12 Elijah Newren <newren@gmail.com>
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Patch from Björn Lindqvist to split up main() into more manageable
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chunks and make use of GOpt. Closes #305331.
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* src/main.c (usage): remove this function,
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(meta_print_compilation_info): new function taken from main(),
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(meta_print_self_identity): new function taken from main(),
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(struct MetaArguments) new struct to replace some free variables,
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(meta_parse_options): new funcion taken from main() but now using
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GOpt, (meta_select_display): new function taken from main()
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2005-07-12 Aivars Kalvans <aivars.kalvans@inbox.lv>
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* src/screen.c (meta_screen_free): free ->xinerama_infos
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Closes bug#307884
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Closes #307884
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2005-07-11 Elijah Newren <newren@gmail.com>
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369
src/main.c
369
src/main.c
@ -63,13 +63,6 @@ log_handler (const gchar *log_domain,
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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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@ -165,184 +158,9 @@ accessibility_invoke (gboolean 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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static void
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meta_print_compilation_info (void)
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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, NULL) < 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, NULL) < 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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@ -383,6 +201,185 @@ main (int argc, char **argv)
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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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}
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static void
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meta_print_self_identity (void)
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{
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char buf[256];
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GDate d;
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const char *charset;
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/* Version and current date. */
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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",
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VERSION, buf);
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/* Locale and encoding. */
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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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/* Compilation settings. */
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meta_print_compilation_info ();
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}
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typedef struct
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{
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gchar *save_file;
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gchar *display_name;
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gchar *client_id;
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gboolean replace_wm;
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gboolean disable_sm;
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gboolean print_version;
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} MetaArguments;
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/**
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* meta_parse_options() parses argc and argv and returns the
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* arguments that Metacity understands in struct
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* MetaArguments. In meta_args.
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*
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* The strange call signature has to be written like it is so
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* that g_option_context_parse() gets a chance to modify argc and
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* argv.
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**/
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static void
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meta_parse_options (int *argc, char ***argv,
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MetaArguments *meta_args)
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{
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MetaArguments my_args = {NULL, NULL, NULL, FALSE, FALSE, FALSE};
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GOptionEntry options[] = {
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{
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"sm-disable", 0, 0, G_OPTION_ARG_NONE,
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&my_args.disable_sm,
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N_("Disable connection to session manager"),
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NULL
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},
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{
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"replace", 0, 0, G_OPTION_ARG_NONE,
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&my_args.replace_wm,
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N_("Replace the running window manager with Metacity"),
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NULL
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},
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{
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"sm-client-id", 0, 0, G_OPTION_ARG_STRING,
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&my_args.client_id,
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N_("Specify session management ID"),
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"ID"
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},
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{
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"display", 0, 0, G_OPTION_ARG_STRING,
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&my_args.display_name, N_("X Display to use"),
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"DISPLAY"
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},
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{
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"sm-save-file", 0, 0, G_OPTION_ARG_FILENAME,
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&my_args.save_file,
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N_("Initialize session from savefile"),
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"FILE"
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},
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{
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"version", 0, 0, G_OPTION_ARG_NONE,
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&my_args.print_version,
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N_("Print version"),
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NULL
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},
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{NULL}
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};
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GOptionContext *ctx;
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GError *error = NULL;
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ctx = g_option_context_new (NULL);
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g_option_context_add_main_entries (ctx, options, "metacity");
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if (!g_option_context_parse (ctx, argc, argv, &error))
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{
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g_print ("metacity: %s\n", error->message);
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exit(1);
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}
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g_option_context_free (ctx);
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/* Return the parsed options through the meta_args param. */
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*meta_args = my_args;
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}
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/**
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* meta_select_display() is a helper function that selects
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* which display Metacity should use. It first tries to use
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* display_name as the display. If display_name is NULL then
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* try to use the environment variable METACITY_DISPLAY. If that
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* also is NULL, use the default - :0.0
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*/
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static
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void meta_select_display (gchar *display_name)
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{
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gchar *envVar = "";
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if (display_name)
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envVar = g_strconcat ("DISPLAY=", display_name, NULL);
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else if (g_getenv ("METACITY_DISPLAY"))
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envVar = g_strconcat ("DISPLAY=",
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g_getenv ("METACITY_DISPLAY"), NULL);
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/* DO NOT FREE envVar, putenv() sucks */
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putenv (envVar);
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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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MetaArguments meta_args;
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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, NULL) < 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, NULL) < 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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meta_print_self_identity ();
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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 command line arguments.*/
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meta_parse_options (&argc, &argv, &meta_args);
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if (meta_args.print_version)
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version ();
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meta_select_display (meta_args.display_name);
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if (meta_args.replace_wm)
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meta_set_replace_current_wm (TRUE);
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if (meta_args.save_file && meta_args.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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g_type_init ();
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/* Load prefs */
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meta_prefs_init ();
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@ -463,8 +460,8 @@ main (int argc, char **argv)
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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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if (!meta_args.disable_sm)
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meta_session_init (meta_args.client_id, meta_args.save_file);
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if (!meta_display_open (NULL))
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meta_exit (META_EXIT_ERROR);
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