1  #pragma once
 2  #include <common/hooks/LowlevelKeyboardEvent.h>
 3  #include <common/utils/EventWaiter.h>
 4  #include <keyboardmanager/common/Input.h>
 5  #include "State.h"
 6  
 7  class KeyboardManager
 8  {
 9  public:
10      static const inline DWORD StartHookMessageID = WM_APP + 1;
11  
12      // Constructor
13      KeyboardManager();
14  
15      ~KeyboardManager()
16      {
17          if (editorIsRunningEvent)
18          {
19              CloseHandle(editorIsRunningEvent);
20          }
21      }
22  
23      void StartLowlevelKeyboardHook();
24      void StopLowlevelKeyboardHook();
25  
26      bool HasRegisteredRemappings() const;
27  
28  private:
29      // Returns whether there are any remappings available without waiting for settings to load
30      bool HasRegisteredRemappingsUnchecked() const;
31  
32      // Contains the non localized module name
33      std::wstring moduleName = KeyboardManagerConstants::ModuleName;
34  
35      // Low level hook handles
36      static HHOOK hookHandle;
37  
38      // Required for Unhook in old versions of Windows
39      static HHOOK hookHandleCopy;
40  
41      // Static pointer to the current KeyboardManager object required for accessing the HandleKeyboardHookEvent function in the hook procedure
42      // Only global or static variables can be accessed in a hook procedure CALLBACK
43      static KeyboardManager* keyboardManagerObjectPtr;
44  
45      // Variable which stores all the state information to be shared between the UI and back-end
46      State state;
47  
48      // Object of class which implements InputInterface. Required for calling library functions while enabling testing
49      KeyboardManagerInput::Input inputHandler;
50  
51      // Auto reset event for waiting for settings changes. The event is signaled when settings are changed
52      EventWaiter settingsEventWaiter;
53  
54      std::atomic_bool loadingSettings = false;
55  
56      HANDLE editorIsRunningEvent = nullptr;
57  
58      // Hook procedure definition
59      static LRESULT CALLBACK HookProc(int nCode, WPARAM wParam, LPARAM lParam);
60  
61      // Load settings from the file.
62      void LoadSettings();
63  
64      // Function called by the hook procedure to handle the events. This is the starting point function for remapping
65      intptr_t HandleKeyboardHookEvent(LowlevelKeyboardEvent* data) noexcept;
66  };