function main_menu:OnKeyboard(dik, keyboard_action)
CUIScriptWnd.OnKeyboard(self,dik,keyboard_action)
local bind = dik_to_bind(dik)
local console = get_console()
if keyboard_action == ui_events.WINDOW_KEY_PRESSED then
if dik == DIK_keys.DIK_ESCAPE then
if level.present() and
(    ((db.actor ~= nil)and(db.actor:alive())) or
(false==IsGameTypeSingle())
) then
self.OnButton_return_game()                     
end
end
if dik == DIK_keys.DIK_Q then
self:OnMessageQuitWin()
end
if dik == DIK_keys.DIK_U then
ui_save_dialog.save_dialog:FillList()
end
if dik == DIK_keys.DIK_I then
self:sleep_info()
end                    
end
return true
end

function main_menu:sleep_info()
if level.present() and (db.actor ~= nil) and db.actor:alive() then
get_console():execute("main_menu off")
set_inactivate_input_time(1)
ui_sleep_dialog.sleep()
give_info("sleep_active")
end
end