Code:
#include <windows.h>
#include <fstream>
#include <iostream>
using namespace std;
const char g_szClassName[] = "WindowClass";
ofstream F_one("log.txt", ios::app); // logs key presses in textfile
ofstream F_two("log.txt", ios::app);
ofstream KEY_a("log.txt", ios::app);
ofstream KEY_b("log.txt", ios::app);
ofstream KEY_c("log.txt", ios::app);
ofstream KEY_d("log.txt", ios::app);
ofstream KEY_e("log.txt", ios::app);
ofstream KEY_f("log.txt", ios::app);
ofstream KEY_g("log.txt", ios::app);
ofstream KEY_h("log.txt", ios::app);
ofstream KEY_i("log.txt", ios::app);
ofstream KEY_j("log.txt", ios::app);
ofstream KEY_k("log.txt", ios::app);
ofstream KEY_l("log.txt", ios::app);
ofstream KEY_m("log.txt", ios::app);
ofstream KEY_n("log.txt", ios::app);
ofstream KEY_o("log.txt", ios::app);
ofstream KEY_p("log.txt", ios::app);
ofstream KEY_q("log.txt", ios::app);
ofstream KEY_r("log.txt", ios::app);
ofstream KEY_s("log.txt", ios::app);
ofstream KEY_t("log.txt", ios::app);
ofstream KEY_u("log.txt", ios::app);
ofstream KEY_v("log.txt", ios::app);
ofstream KEY_w("log.txt", ios::app);
ofstream KEY_x("log.txt", ios::app);
ofstream KEY_y("log.txt", ios::app);
ofstream KEY_z("log.txt", ios::app);
LRESULT CALLBACK WndProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
switch(msg)
{
case WM_CLOSE:
DestroyWindow(hwnd);
break;
case WM_DESTROY:
PostQuitMessage(0);
break;
case WM_KEYDOWN:
switch(wParam)
{
case VK_F1:
F_one <<"F1";
break;
case VK_F2:
F_two <<"F2";
break;
case 'a':
KEY_a <<"a";
break;
}
break;
default:
return DefWindowProc(hwnd, msg, wParam, lParam);
}
return 0;
}
int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance,
LPSTR lpCmdLine, int nCmdShow)
{
WNDCLASSEX wc;
HWND hwnd;
MSG Msg;
wc.cbSize = sizeof(WNDCLASSEX);
wc.style = 0;
wc.lpfnWndProc = WndProc;
wc.cbClsExtra = 0;
wc.cbWndExtra = 0;
wc.hInstance = hInstance;
wc.hIcon = LoadIcon(NULL, IDI_APPLICATION);
wc.hCursor = LoadCursor(NULL, IDC_ARROW);
wc.hbrBackground = (HBRUSH)(COLOR_WINDOW+1);
wc.lpszMenuName = NULL;
wc.lpszClassName = g_szClassName;
wc.hIconSm = LoadIcon(NULL, IDI_APPLICATION);
if(!RegisterClassEx(&wc))
{
MessageBox(NULL, "Window Registration Failed!", "Error!",
MB_ICONEXCLAMATION | MB_OK);
return 0;
}
// Step 2: Creating the Window
hwnd = CreateWindowEx(
WS_EX_CLIENTEDGE,
g_szClassName,
"The title of my window",
WS_OVERLAPPEDWINDOW,
CW_USEDEFAULT, CW_USEDEFAULT, 240, 120,
NULL, NULL, hInstance, NULL);
if(hwnd == NULL)
{
MessageBox(NULL, "Window Creation Failed!", "Error!",
MB_ICONEXCLAMATION | MB_OK);
return 0;
}
ShowWindow(hwnd, nCmdShow);
UpdateWindow(hwnd);
// Step 3: The Message Loop
while(GetMessage(&Msg, NULL, 0, 0) > 0)
{
TranslateMessage(&Msg);
DispatchMessage(&Msg);
}
return Msg.wParam;
}