static void on_xserver_stop(void *data,int pid, int status)
{
LXSession *s=data;
LXSession *greeter;
g_message("xserver stop, restart. return status %x\n",status);
stop_pid(pid);
s->server = -1;
lxsession_stop(s);
greeter=lxsession_find_greeter();
if(s->greeter || !greeter)
{
s->greeter=TRUE;
xconn_close(s->dpy);
s->dpy=NULL;
lxdm_startx(s);
ui_drop();
ui_prepare();
lxsession_set_active(greeter);
}
else
{
lxsession_free(s);
lxsession_set_active(greeter);
}
}
static void lxsession_stop(LXSession *s)
{
if(s->greeter)
{
ui_drop();
s->greeter=FALSE;
}
if(s->child>0)
{
lxcom_del_child_watch(s->child);
killpg(s->child, SIGHUP);
stop_pid(s->child);
s->child = -1;
}
if( s->server > 0 )
{
xconn_clean(s->dpy);
}
lxdm_auth_session_end(&s->auth);
#if HAVE_LIBCK_CONNECTOR
if( s->ckc != NULL )
{
DBusError error;
dbus_error_init(&error);
ck_connector_close_session(s->ckc, &error);
if(dbus_error_is_set(&error))
{
dbus_error_free(&error);
}
ck_connector_unref(s->ckc);
s->ckc=NULL;
}
#endif
s->idle=TRUE;
}
static void lxsession_free(LXSession *s)
{
if(!s)
return;
session_list=g_slist_remove(session_list,s);
lxsession_stop(s);
if(s->server)
{
if(s->dpy)
{
xconn_close(s->dpy);
s->dpy=NULL;
}
stop_pid(s->server);
s->server=0;
}
g_free(s->option);
g_strfreev(s->env);
g_free(s);
}
static void on_active_window_changed(WnckScreen *screen,
WnckWindow *previously_active_window,
gpointer user_data)
{
GList *window_l;
WnckWindow *active_window = wnck_screen_get_active_window(screen);
WnckWorkspace *active_workspace = wnck_screen_get_active_workspace(screen);
GList *pids_current = NULL;
GList *pids_other = NULL;
for (window_l = wnck_screen_get_windows(screen); window_l != NULL; window_l = window_l->next) {
WnckWindow *window = WNCK_WINDOW(window_l->data);
WnckApplication *app = wnck_application_get(wnck_window_get_group_leader(window));
WnckWorkspace *w_workspace = wnck_window_get_workspace(window);
if (!w_workspace)
continue;
GList *app_window_l;
int w_pid = wnck_application_get_pid(app);
if (w_workspace == active_workspace) {
GList *g = g_list_find(pids_current, GINT_TO_POINTER(w_pid));
if (!g) pids_current = g_list_append(pids_current, GINT_TO_POINTER(w_pid));
} else {
GList *g = g_list_find(pids_other, GINT_TO_POINTER(w_pid));
if (!g) pids_other = g_list_append(pids_other, GINT_TO_POINTER(w_pid));
}
}
for (; pids_other != NULL; pids_other = pids_other->next) {
GList *g = g_list_find(pids_current, pids_other->data);
if (g)
g_print("Another window of this application is active\n");
else
g_print("PID: %d\n", stop_pid(GPOINTER_TO_INT(pids_other->data)));
}
for (; pids_current != NULL; pids_current = pids_current->next) {
cont_pid(GPOINTER_TO_INT(pids_current->data));
}
g_print("-----\n");
}
int main()
{
pololu_3pi_init(2000);
play_mode(PLAY_CHECK);
clear();
// start receiving data at 115.2 kbaud
serial_set_baud_rate(115200);
serial_receive_ring(buffer, 100);
while(1)
{
// wait for a command
char command = read_next_byte();
// The list of commands is below: add your own simply by
// choosing a command byte and introducing another case
// statement.
switch(command)
{
case (char)0x00:
// silent error - probable master resetting
break;
case (char)0x81:
send_signature();
break;
case (char)0x86:
send_raw_sensor_values();
break;
case (char)0x87:
send_calibrated_sensor_values(1);
break;
case (char)0xB0:
send_trimpot();
break;
case (char)0xB1:
send_battery_millivolts();
break;
case (char)0xB3:
do_play();
break;
case (char)0xB4:
calibrate_line_sensors(IR_EMITTERS_ON);
send_calibrated_sensor_values(1);
break;
case (char)0xB5:
line_sensors_reset_calibration();
break;
case (char)0xB6:
send_line_position();
break;
case (char)0xB7:
do_clear();
break;
case (char)0xB8:
do_print();
break;
case (char)0xB9:
do_lcd_goto_xy();
break;
case (char)0xBA:
auto_calibrate();
break;
case (char)0xBB:
set_pid();
break;
case (char)0xBC:
stop_pid();
break;
case (char)0xC1:
m1_forward();
break;
case (char)0xC2:
m1_backward();
break;
case (char)0xC5:
m2_forward();
break;
case (char)0xC6:
m2_backward();
break;
default:
clear();
print("Bad cmd");
lcd_goto_xy(0,1);
print_hex_byte(command);
play("o7l16crc");
continue; // bad command
}
}
}