diff options
| -rw-r--r-- | mate-session/gsm-manager.c | 86 |
1 files changed, 67 insertions, 19 deletions
diff --git a/mate-session/gsm-manager.c b/mate-session/gsm-manager.c index de29f8f..02758f5 100644 --- a/mate-session/gsm-manager.c +++ b/mate-session/gsm-manager.c @@ -973,6 +973,20 @@ cancel_end_session (GsmManager *manager) start_phase (manager); } +static gboolean +is_program_in_path (const char *program) +{ + char *tmp = g_find_program_in_path (program); + if (tmp != NULL) + { + g_free (tmp); + return TRUE; + } + else + { + return FALSE; + } +} static void manager_switch_user (GsmManager *manager) @@ -981,41 +995,75 @@ manager_switch_user (GsmManager *manager) gboolean res; char *command; - command = g_strdup_printf ("%s %s", - MDM_FLEXISERVER_COMMAND, - MDM_FLEXISERVER_ARGS); + if (is_program_in_path (MDM_FLEXISERVER_COMMAND)) { + /* MDM */ + command = g_strdup_printf ("%s %s", + MDM_FLEXISERVER_COMMAND, + MDM_FLEXISERVER_ARGS); - error = NULL; - res = gdk_spawn_command_line_on_screen (gdk_screen_get_default (), - command, - &error); + error = NULL; + res = gdk_spawn_command_line_on_screen (gdk_screen_get_default (), + command, + &error); - g_free (command); + g_free (command); - if (! res) { - g_debug ("GsmManager: Unable to start MDM greeter: %s", error->message); - g_error_free (error); - - /* MDM not found, so we try to use gdmflexiserver from GDM */ - - char *gdm_command; - - gdm_command = g_strdup_printf ("%s %s", + if (! res) { + g_debug ("GsmManager: Unable to start MDM greeter: %s", error->message); + g_error_free (error); + } + } + else if (is_program_in_path (GDM_FLEXISERVER_COMMAND)) { + /* GDM */ + command = g_strdup_printf ("%s %s", GDM_FLEXISERVER_COMMAND, GDM_FLEXISERVER_ARGS); error = NULL; res = gdk_spawn_command_line_on_screen (gdk_screen_get_default (), - gdm_command, + command, &error); - g_free (gdm_command); + g_free (command); if (! res) { g_debug ("GsmManager: Unable to start GDM greeter: %s", error->message); g_error_free (error); } } + else { + /* LightDM */ + const gchar *xdg_seat_path = g_getenv ("XDG_SEAT_PATH"); + if (xdg_seat_path != NULL) { + GDBusProxyFlags flags = G_DBUS_PROXY_FLAGS_DO_NOT_AUTO_START; + GDBusProxy *proxy = NULL; + error = NULL; + + proxy = g_dbus_proxy_new_for_bus_sync(G_BUS_TYPE_SYSTEM, + flags, + NULL, + "org.freedesktop.DisplayManager", + xdg_seat_path, + "org.freedesktop.DisplayManager.Seat", + NULL, + &error); + if (proxy != NULL) { + g_dbus_proxy_call (proxy, + "SwitchToGreeter", + g_variant_new ("()"), + G_DBUS_CALL_FLAGS_NONE, + -1, + NULL, + NULL, + NULL); + g_object_unref (proxy); + } + else { + g_debug ("GsmManager: Unable to start LightDM greeter: %s", error->message); + g_error_free (error); + } + } + } } static gboolean |