1  #pragma once
 2  #include <mutex>
 3  #include <condition_variable>
 4  #include "shortcut_guide.h"
 5  
 6  struct KeyEvent
 7  {
 8      bool key_down;
 9      unsigned vk_code;
10  };
11  
12  class TargetState
13  {
14  public:
15      TargetState() = default;
16      void was_hidden();
17      void exit();
18  
19      void toggle_force_shown();
20      bool active() const;
21  
22  private:
23      std::recursive_mutex mutex;
24      std::condition_variable_any cv;
25      enum State
26      {
27          Hidden,
28          Shown,
29          ForceShown,
30          Exiting
31      };
32      std::atomic<State> state = Hidden;
33  };