#include "stdafx.h"
#include "Input-Hook.h"



#ifdef _MANAGED
#pragma managed(push, off)
#endif

HINSTANCE hDLL;

BOOL APIENTRY DllMain(HMODULE hModule, DWORD  ul_reason_for_call, LPVOID lpReserved) {
    if(ul_reason_for_call == DLL_PROCESS_ATTACH)  // When initializing....
    {
        hDLL = hModule;
        // We don't need thread notifications for what we're doing.  Thus, get
        // rid of them, thereby eliminating some of the overhead of this DLL
        DisableThreadLibraryCalls( hModule );
    }

    return TRUE;
}

// This segment must be defined as SHARED in the .DEF
#pragma data_seg (".HookSection")
// Shared instance for all processes.
HHOOK hookKeyboard = NULL;
#pragma data_seg ()

INPUTHOOK_API LRESULT CALLBACK LowLevelKeyboardProc(int nCode, WPARAM wParam, LPARAM lParam) {
    Beep(0x300, 80); return 0;
    KBDLLHOOKSTRUCT* keyboard = (KBDLLHOOKSTRUCT*)lParam;
    bool keydown = wParam == 0x100 ? true : false;

    if (keyboard->vkCode == 0x57) { // W
        if (keydown) {
            Beep(0x300, 80);
        } else {
            Beep(0x200, 80);
        }
    }

    return 0;//CallNextHookEx(hookKeyboard, nCode, wParam, lParam);
}

INPUTHOOK_API void InstallInputHook()
{

    hookKeyboard = SetWindowsHookEx(WH_KEYBOARD_LL, LowLevelKeyboardProc, NULL, 0);
    OutputDebugString( "INPUTHOOK hook installed.\n" );
}

INPUTHOOK_API void RemoveInputHook()
{
    UnhookWindowsHookEx(hookKeyboard);
    OutputDebugString( "INPUTHOOK hook removed.\n" );
}


#ifdef _MANAGED
#pragma managed(pop)
#endif