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#ifdef HAVE_STRING_H
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#include <string.h>
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#include <dbus/dbus-glib.h>
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#include <libxfce4util/libxfce4util.h>
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#include "panel-app.h"
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#include "panel-app-messages.h"
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static gboolean opt_version = FALSE;
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static gboolean opt_customize = FALSE;
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static gboolean opt_save = FALSE;
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static gboolean opt_restart = FALSE;
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static gboolean opt_quit = FALSE;
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static gboolean opt_exit = FALSE;
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static gboolean opt_add = FALSE;
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static gchar *opt_client_id = NULL;
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#include <libxfce4ui/libxfce4ui.h>
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#include <common/panel-private.h>
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#include <common/panel-debug.h>
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#include <libxfce4panel/libxfce4panel.h>
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#include <panel/panel-application.h>
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#include <panel/panel-dbus-service.h>
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#include <panel/panel-dbus-client.h>
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#include <panel/panel-preferences-dialog.h>
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static gint opt_preferences = -1;
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static gint opt_add_items = -1;
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static gboolean opt_save = FALSE;
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static gchar *opt_add = NULL;
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static gboolean opt_restart = FALSE;
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static gboolean opt_quit = FALSE;
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static gboolean opt_version = FALSE;
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static gchar *opt_plugin_event = NULL;
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static gchar **opt_arguments = NULL;
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static gboolean sm_client_saved_state = FALSE;
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static gboolean panel_callback_handler (const gchar *name,
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/* command line options */
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#define PANEL_CALLBACK_OPTION G_OPTION_FLAG_OPTIONAL_ARG, G_OPTION_ARG_CALLBACK, panel_callback_handler
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static GOptionEntry option_entries[] =
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{ "version", 'V', 0, G_OPTION_ARG_NONE, &opt_version, N_ ("Print version information and exit"), NULL },
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{ "customize", 'c', 0, G_OPTION_ARG_NONE, &opt_customize, N_ ("Show 'Customize Panel' dialog"), NULL },
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{ "save", 's', 0, G_OPTION_ARG_NONE, &opt_save, N_ ("Save the panel configuration"), NULL },
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{ "restart", 'r', 0, G_OPTION_ARG_NONE, &opt_restart, N_ ("Restart the running instance of xfce4-panel"), NULL },
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{ "quit", 'q', 0, G_OPTION_ARG_NONE, &opt_quit, N_ ("Log out the active session"), NULL },
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{ "exit", 'x', 0, G_OPTION_ARG_NONE, &opt_exit, N_ ("Close all panels and end the program"), NULL },
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{ "add", 'a', 0, G_OPTION_ARG_NONE, &opt_add, N_ ("Show 'Add New Items' dialog"), NULL },
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{ "sm-client-id", 0, G_OPTION_FLAG_HIDDEN, G_OPTION_ARG_STRING, &opt_client_id, NULL, NULL },
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{ "preferences", 'p', PANEL_CALLBACK_OPTION, N_("Show the 'Panel Preferences' dialog"), N_("PANEL-NUMBER") },
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{ "add-items", 'a', PANEL_CALLBACK_OPTION, N_("Show the 'Add New Items' dialog"), N_("PANEL-NUMBER") },
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{ "save", 's', 0, G_OPTION_ARG_NONE, &opt_save, N_("Save the panel configuration"), NULL },
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{ "add", '\0', 0, G_OPTION_ARG_STRING, &opt_add, N_("Add a new plugin to the panel"), N_("PLUGIN-NAME") },
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{ "restart", 'r', 0, G_OPTION_ARG_NONE, &opt_restart, N_("Restart the running panel instance"), NULL },
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{ "quit", 'q', 0, G_OPTION_ARG_NONE, &opt_quit, N_("Quit the running panel instance"), NULL },
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{ "version", 'V', 0, G_OPTION_ARG_NONE, &opt_version, N_("Print version information and exit"), NULL },
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{ "plugin-event", '\0', G_OPTION_FLAG_HIDDEN, G_OPTION_ARG_STRING, &opt_plugin_event, NULL, NULL },
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{ G_OPTION_REMAINING, '\0', 0, G_OPTION_ARG_STRING_ARRAY, &opt_arguments, NULL, NULL },
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panel_callback_handler (const gchar *name,
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panel_return_val_if_fail (name != NULL, FALSE);
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if (strcmp (name, "--preferences") == 0
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|| strcmp (name, "-p") == 0)
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opt_preferences = value != NULL ? MAX (0, atoi (value)) : 0;
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else if (strcmp (name, "--add-items") == 0
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|| strcmp (name, "-a") == 0)
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opt_add_items = value != NULL ? MAX (0, atoi (value)) : 0;
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panel_assert_not_reached ();
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panel_signal_handler (gint signum)
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panel_debug (PANEL_DEBUG_MAIN,
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"received signal %s <%d>, %s panel",
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g_strsignal (signum), signum,
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signum == SIGUSR1 ? "restarting" : "quiting");
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panel_dbus_service_exit_panel (signum == SIGUSR1);
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panel_sm_client_quit (XfceSMClient *sm_client)
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panel_return_if_fail (XFCE_IS_SM_CLIENT (sm_client));
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panel_return_if_fail (!panel_dbus_service_get_restart ());
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panel_debug (PANEL_DEBUG_MAIN,
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"terminate panel for session manager");
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panel_sm_client_save_state (XfceSMClient *sm_client,
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PanelApplication *application)
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panel_return_if_fail (XFCE_IS_SM_CLIENT (sm_client));
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panel_return_if_fail (PANEL_IS_APPLICATION (application));
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panel_debug (PANEL_DEBUG_MAIN,
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"save configuration for session manager");
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panel_application_save (application, TRUE);
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sm_client_saved_state = TRUE;
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panel_debug_notify_proxy (void)
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const gchar *proxy_cmd;
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if (G_UNLIKELY (panel_debug_has_domain (PANEL_DEBUG_GDB)))
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else if (G_UNLIKELY (panel_debug_has_domain (PANEL_DEBUG_VALGRIND)))
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proxy_cmd = "valgrind";
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path = g_find_program_in_path (proxy_cmd);
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if (G_LIKELY (path != NULL))
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panel_debug (PANEL_DEBUG_MAIN,
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"running external plugins with %s, logs stored in %s",
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path, g_get_tmp_dir ());
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if (panel_debug_has_domain (PANEL_DEBUG_GDB))
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/* performs sanity checks on the released memory slices */
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g_setenv ("G_SLICE", "debug-blocks", TRUE);
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else if (panel_debug_has_domain (PANEL_DEBUG_VALGRIND))
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/* use g_malloc() and g_free() instead of slices */
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g_setenv ("G_SLICE", "always-malloc", TRUE);
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g_setenv ("G_DEBUG", "gc-friendly", TRUE);
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panel_debug (PANEL_DEBUG_MAIN, "%s not found in PATH", proxy_cmd);
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main (gint argc, gchar **argv)
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/* translation domain */
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xfce_textdomain (GETTEXT_PACKAGE, PACKAGE_LOCALE_DIR, "UTF-8");
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/* application name */
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g_set_application_name (PACKAGE_NAME);
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MARK ("start gtk_init_with_args ()");
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if (!gtk_init_with_args (&argc, &argv, (gchar *) "", option_entries, (gchar *) GETTEXT_PACKAGE, &error))
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/* TRANSLATORS: Errors when gtk_init failed, probably the command
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executed without xserver running */
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g_print ("%s: %s\n", PACKAGE_NAME, error ? error->message : _("Failed to open display"));
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/* handle the options */
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if (G_UNLIKELY (opt_version))
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g_print ("%s %s (Xfce %s)\n\n", PACKAGE_NAME, PACKAGE_VERSION, xfce_version_string ());
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g_print ("%s\n", "Copyright (c) 2004-2009");
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g_print ("\t%s\n\n", _("The Xfce development team. All rights reserved."));
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/* TRANSLATORS: Bug report website, %s points to bugzilla.xfce.org */
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g_print (_("Please report bugs to <%s>."), PACKAGE_BUGREPORT);
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else if (G_UNLIKELY (opt_customize))
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msg = PANEL_APP_CUSTOMIZE;
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else if (G_UNLIKELY (opt_save))
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msg = PANEL_APP_SAVE;
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else if (G_UNLIKELY (opt_restart))
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msg = PANEL_APP_RESTART;
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else if (G_UNLIKELY (opt_quit))
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msg = PANEL_APP_QUIT;
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else if (G_UNLIKELY (opt_exit))
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msg = PANEL_APP_EXIT;
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else if (G_UNLIKELY (opt_add))
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/* handle the message, if there is any */
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if (G_UNLIKELY (msg >= 0))
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if (!panel_app_send (msg))
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if (msg != PANEL_APP_RESTART )
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/* else: continue and start new panel */
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MARK ("start panel_init()");
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msg = panel_app_init ();
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if (G_UNLIKELY (msg == INIT_FAILURE))
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else if (G_UNLIKELY (msg == INIT_RUNNING))
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g_message (_("Xfce4-panel already running"));
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MARK ("start panel_app_run()");
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msg = panel_app_run (opt_client_id);
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MARK ("end panel_app_run()");
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if (G_UNLIKELY (msg == RUN_RESTART))
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g_message (_("Restarting xfce4-panel..."));
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execvp (argv[0], argv);
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return G_UNLIKELY (msg == RUN_FAILURE) ? EXIT_FAILURE : EXIT_SUCCESS;
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GOptionContext *context;
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PanelApplication *application;
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GError *error = NULL;
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PanelDBusService *dbus_service;
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gboolean succeed = FALSE;
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const gint signums[] = { SIGINT, SIGQUIT, SIGTERM, SIGABRT, SIGUSR1 };
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const gchar *error_msg;
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XfceSMClient *sm_client;
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panel_debug (PANEL_DEBUG_MAIN,
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"version %s on gtk+ %d.%d.%d (%d.%d.%d), glib %d.%d.%d (%d.%d.%d)",
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LIBXFCE4PANEL_VERSION,
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gtk_major_version, gtk_minor_version, gtk_micro_version,
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GTK_MAJOR_VERSION, GTK_MINOR_VERSION, GTK_MICRO_VERSION,
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glib_major_version, glib_minor_version, glib_micro_version,
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GLIB_MAJOR_VERSION, GLIB_MINOR_VERSION, GLIB_MICRO_VERSION);
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/* inform the user about usage of gdb/valgrind */
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panel_debug_notify_proxy ();
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/* set translation domain */
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xfce_textdomain (GETTEXT_PACKAGE, PACKAGE_LOCALE_DIR, "UTF-8");
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#ifdef G_ENABLE_DEBUG
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/* do NOT remove this line for now, If something doesn't work,
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* fix your code instead! */
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g_log_set_always_fatal (G_LOG_LEVEL_CRITICAL | G_LOG_LEVEL_WARNING);
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/* parse context options */
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context = g_option_context_new (_("[ARGUMENTS...]"));
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g_option_context_add_main_entries (context, option_entries, GETTEXT_PACKAGE);
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g_option_context_add_group (context, gtk_get_option_group (TRUE));
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g_option_context_add_group (context, xfce_sm_client_get_option_group (argc, argv));
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if (!g_option_context_parse (context, &argc, &argv, &error))
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g_print ("%s: %s.\n", PACKAGE_NAME, error->message);
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g_print (_("Type \"%s --help\" for usage."), G_LOG_DOMAIN);
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g_error_free (error);
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g_option_context_free (context);
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gtk_init (&argc, &argv);
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/* print version information */
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if (opt_arguments != NULL && *opt_arguments != NULL)
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g_print ("%s (%s)", *opt_arguments, PACKAGE_NAME);
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g_print ("%s", PACKAGE_NAME);
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g_print (" %s (Xfce %s)\n\n", PACKAGE_VERSION, xfce_version_string ());
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g_print ("%s\n", "Copyright (c) 2004-2011");
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g_print ("\t%s\n\n", _("The Xfce development team. All rights reserved."));
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g_print (_("Please report bugs to <%s>."), PACKAGE_BUGREPORT);
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else if (opt_preferences >= 0)
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/* send a signal to the running instance to show the preferences dialog */
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succeed = panel_dbus_client_display_preferences_dialog (opt_preferences, &error);
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else if (opt_add_items >= 0)
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/* send a signal to the running instance to show the add items dialog */
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succeed = panel_dbus_client_display_items_dialog (opt_add_items, &error);
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/* send a save signal to the running instance */
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succeed = panel_dbus_client_save (&error);
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else if (opt_add != NULL)
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/* send a add-new-item signal to the running instance */
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succeed = panel_dbus_client_add_new_item (opt_add, opt_arguments, &error);
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else if (opt_restart || opt_quit)
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/* send a terminate signal to the running instance */
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succeed = panel_dbus_client_terminate (opt_restart, &error);
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else if (opt_plugin_event != NULL)
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/* send the plugin event to the running instance */
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succeed = panel_dbus_client_plugin_event (opt_plugin_event, &error);
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/* start dbus service */
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dbus_service = panel_dbus_service_get ();
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if (!panel_dbus_service_is_owner (dbus_service))
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/* quit without error if an instance is running */
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g_print ("%s: %s\n\n", G_LOG_DOMAIN, _("There is already a running instance"));
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/* start session management */
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sm_client = xfce_sm_client_get ();
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xfce_sm_client_set_restart_style (sm_client, XFCE_SM_CLIENT_RESTART_IMMEDIATELY);
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xfce_sm_client_set_priority (sm_client, XFCE_SM_CLIENT_PRIORITY_CORE);
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g_signal_connect (G_OBJECT (sm_client), "quit",
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G_CALLBACK (panel_sm_client_quit), NULL);
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if (!xfce_sm_client_connect (sm_client, &error))
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g_printerr ("%s: Failed to connect to session manager: %s\n",
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G_LOG_DOMAIN, error->message);
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g_clear_error (&error);
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/* setup signal handlers to properly quit the main loop */
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for (i = 0; i < G_N_ELEMENTS (signums); i++)
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signal (signums[i], panel_signal_handler);
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application = panel_application_get ();
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/* save the state before the quit signal if we can, this is a bit safer */
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g_signal_connect (G_OBJECT (sm_client), "save-state",
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G_CALLBACK (panel_sm_client_save_state), application);
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/* open dialog if we started from launch_panel */
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if (opt_preferences >= 0)
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panel_preferences_dialog_show (panel_application_get_nth_window (application, opt_preferences));
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/* make sure there are no incomming events when we close */
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g_object_unref (G_OBJECT (dbus_service));
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/* destroy all the opened dialogs */
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panel_application_destroy_dialogs (application);
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/* only save if we do not quit by the sm client */
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if (!sm_client_saved_state)
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panel_application_save (application, TRUE);
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g_object_unref (G_OBJECT (application));
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g_object_unref (G_OBJECT (sm_client));
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if (panel_dbus_service_get_restart ())
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/* spawn ourselfs again */
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g_print ("%s: %s\n\n", G_LOG_DOMAIN, _("Restarting..."));
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g_spawn_command_line_async (argv[0], NULL);
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/* stop any running startup notification */
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gdk_notify_startup_complete ();
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if (G_UNLIKELY (error != NULL))
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/* get suitable error message */
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if (opt_preferences >= 0)
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error_msg = _("Failed to show the preferences dialog");
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else if (opt_add_items >= 0)
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error_msg = _("Failed to show the add new items dialog");
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error_msg = _("Failed to save the panel configuration");
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error_msg = _("Failed to add a plugin to the panel");
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else if (opt_restart)
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error_msg = _("Failed to restart the panel");
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error_msg = _("Failed to quit the panel");
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error_msg = _("Failed to send D-Bus message");
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/* show understandable message for this common error */
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if (error->code == DBUS_GERROR_NAME_HAS_NO_OWNER)
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/* normally start the panel */
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if (opt_preferences >= 0)
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g_clear_error (&error);
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if (xfce_dialog_confirm (NULL, GTK_STOCK_EXECUTE, NULL,
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_("Do you want to start the panel? If you do, make sure "
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"you save the session on logout, so the panel is "
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"automatically started the next time you login."),
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_("No running instance of %s was found"), G_LOG_DOMAIN))
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panel_debug (PANEL_DEBUG_MAIN, "user confirmed to start the panel");
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/* I18N: %s is replaced with xfce4-panel */
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g_clear_error (&error);
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g_set_error (&error, 0, 0, _("No running instance of %s was found"), G_LOG_DOMAIN);
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/* show error dialog */
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xfce_dialog_show_error (NULL, error, "%s", error_msg);
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g_error_free (error);
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return succeed ? EXIT_SUCCESS : EXIT_FAILURE;
added
removed
panel/main.c
