lab 4

#include <fstream>
#include <iostream>
#include <Windows.h>
#include <stdio.h>

using namespace std;

void ExitProgramm();
HHOOK hMouseHook;
HHOOK hKeyboardHook;

LRESULT CALLBACK LowLevelKeyboardProc(int nCode, WPARAM wParam, LPARAM lParam) {
    PKBDLLHOOKSTRUCT p = (PKBDLLHOOKSTRUCT)lParam;

    if (p->vkCode == VK_ESCAPE) {
        printf("<ESC> was pressed\n");
        ExitProgramm();
    }
    return CallNextHookEx(NULL, nCode, wParam, lParam);
}

LRESULT CALLBACK MouseProc(int nCode, WPARAM wParam, LPARAM lParam) {
    MOUSEHOOKSTRUCT* pMouseStruct = (MOUSEHOOKSTRUCT*)lParam;

    if (pMouseStruct != NULL) {
        switch (wParam) {
            case WM_LBUTTONDOWN:  printf("Left button down\n");    break;
            case WM_LBUTTONUP:    printf("Left button up\n");      break;

            case WM_RBUTTONDOWN:  printf("Right button down\n");   break;
            case WM_RBUTTONUP:    printf("Right button up\n");     break;

            case WM_MOUSEMOVE:    printf("Mouse move\n");          break;
            case WM_MOUSEWHEEL:   printf("Mouse wheel scroll\n");  break;
            case WM_MOUSEHWHEEL:  printf("Mouse hwheel scroll\n"); break;
        }
    }
    return CallNextHookEx(NULL, nCode, wParam, lParam);
}

int main() {
    hMouseHook = SetWindowsHookEx(WH_MOUSE_LL, MouseProc, NULL, NULL);
    hKeyboardHook = SetWindowsHookEx(WH_KEYBOARD_LL, LowLevelKeyboardProc, NULL, NULL);
    MSG msg;

    while (!GetMessage(&msg, NULL, NULL, NULL)) {
        TranslateMessage(&msg);
        DispatchMessage(&msg);
    }

    ExitProgramm();
}

void ExitProgramm() {
    UnhookWindowsHookEx(hMouseHook);
    UnhookWindowsHookEx(hKeyboardHook);
    exit(0);
}