Clicker

Clicker

#include <windows.h>
#include <tchar.h>
#include <time.h>

LRESULT CALLBACK WindowProc(HWND, UINT, WPARAM, LPARAM);
VOID CALLBACK TimerProc(HWND hwnd, UINT uMsg, UINT_PTR idEvent, DWORD dwTime);
void SetWindowCaption(HWND hwnd);

int clickCount = 0;
int timerCount = 0;

int WINAPI WinMain(HINSTANCE hInst, HINSTANCE hPrevInst, LPSTR lpszCmdLine, int nCmdShow)
{
	TCHAR szClassWindow[] = L"Win32Application";
	int screenWidth = GetSystemMetrics(SM_CXSCREEN);
	int screenHeight = GetSystemMetrics(SM_CYSCREEN);

	HWND hWnd;
	MSG lpMsg;
	WNDCLASSEX wcl;
	wcl.cbSize = sizeof(wcl);
	wcl.style = CS_HREDRAW | CS_VREDRAW;
	wcl.lpfnWndProc = WindowProc;
	wcl.cbClsExtra = 0;
	wcl.cbWndExtra = 0;
	wcl.hInstance = hInst;
	wcl.hIcon = LoadIcon(NULL, IDI_APPLICATION);
	wcl.hCursor = LoadCursor(NULL, IDC_ARROW);
	wcl.hbrBackground = (HBRUSH)GetStockObject(LTGRAY_BRUSH);
	wcl.lpszMenuName = NULL;
	wcl.lpszClassName = szClassWindow;
	wcl.hIconSm = NULL;
	if (!RegisterClassEx(&wcl))
		return 0;
	hWnd = CreateWindowEx(0, szClassWindow, L"Clicker", WS_POPUPWINDOW | WS_CAPTION,
		screenWidth / 2 - 250, screenHeight / 2 - 250, 500, 500, NULL, NULL, hInst, NULL);
	ShowWindow(hWnd, nCmdShow);
	UpdateWindow(hWnd);

	MessageBox(NULL, L"You have to click with the left mouse button somewhere on the gray area, and you have 20 seconds.\n\nClick OK to start.", L"Rules", MB_OK);

	SetWindowCaption(hWnd);

	SetTimer(hWnd, 1, 1000, TimerProc);


	while (GetMessage(&lpMsg, NULL, 0, 0))
	{
		TranslateMessage(&lpMsg);
		DispatchMessage(&lpMsg);
	}
	return lpMsg.wParam;
}

VOID CALLBACK TimerProc(HWND hwnd, UINT uMsg, UINT_PTR idEvent, DWORD dwTime)
{
	timerCount++;

	SetWindowCaption(hwnd);

	if (timerCount == 20)
	{
		KillTimer(hwnd, idEvent);
		TCHAR szResultMessage[100] = {};
		wsprintf(szResultMessage, L"Your result is %d click.\n\nDo you want to paly once again?", clickCount);
		int answer = MessageBox(NULL, szResultMessage, L"Result", MB_YESNO | MB_ICONQUESTION);

		if (answer == IDYES)
		{
			SetTimer(hwnd, idEvent, 1000, TimerProc);
			clickCount = 0;
			timerCount = 0;
			SetWindowCaption(hwnd);
		}
		else
		{
			SendMessage(hwnd, WM_DESTROY, 0, 0);
		}
	}

}

void SetWindowCaption(HWND hwnd)
{	
	TCHAR szWindowCaption[50] = {};
	wsprintf(szWindowCaption, L"%d seonds left", 20 - timerCount);
	SetWindowText(hwnd, szWindowCaption);
}

LRESULT CALLBACK WindowProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
{
	switch (message)
	{
	case WM_DESTROY:
		PostQuitMessage(0);
		break;
	case WM_LBUTTONDOWN:
		clickCount++;
		break;
	default:
		return DefWindowProc(hWnd, message, wParam, lParam);
	}
	return 0;
}