#define WINVER 0x0501
#define _WIN32_WINNT 0x0501
#include <tchar.h>
#include <assert.h>
#include <windows.h>
#include <commctrl.h>

#define ok(cond, fmt)                    \
if (!(cond))                             \
{                                        \
    MessageBox(NULL, fmt, _T("Error!"),  \
        MB_ICONEXCLAMATION | MB_OK);     \
    exit(1);                             \
}

static LRESULT CALLBACK CustomDrawWndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
    switch(msg) {

    case WM_DESTROY:
        PostQuitMessage(0);
        break;

    default:
        return DefWindowProc(hWnd, msg, wParam, lParam);
    }

    return 0L;
}

int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance,
    LPSTR lpCmdLine, int nCmdShow)
{

    WNDCLASS wc;
    LRESULT   lResult;
    MSG msg;

    /* Create a class to use the custom draw wndproc */
    wc.style = CS_HREDRAW | CS_VREDRAW;
    wc.cbClsExtra = 0;
    wc.cbWndExtra = 0;
    wc.hInstance = GetModuleHandle(NULL);
    wc.hIcon = NULL;
    wc.hCursor = LoadCursor(NULL, IDC_ARROW);
    wc.hbrBackground = GetSysColorBrush(COLOR_WINDOW);
    wc.lpszMenuName = NULL;
    wc.lpszClassName = _T("CustomDrawClass");
    wc.lpfnWndProc = CustomDrawWndProc;
    RegisterClass(&wc);


    HWND hwndMain, hwndTip;
    TOOLINFO toolInfo = { 0 };

    /* Create a main window */
    hwndMain = CreateWindowEx(0, _T("CustomDrawClass"), NULL,
                              WS_CAPTION | WS_SYSMENU | WS_MINIMIZEBOX |
                              WS_MAXIMIZEBOX | WS_VISIBLE,
                              50, 50,
                              300, 300,
                              NULL, NULL, NULL, 0);
    ok(hwndMain != NULL, _T("Creation of main window failed\n"));

    /* Make it show */
    ShowWindow(hwndMain, SW_SHOWNORMAL);

    /* Create Tooltip */
    hwndTip = CreateWindowEx(WS_EX_TOPMOST, TOOLTIPS_CLASS, NULL,
                             TTS_NOPREFIX | TTS_ALWAYSTIP,
                             CW_USEDEFAULT, CW_USEDEFAULT,
                             CW_USEDEFAULT, CW_USEDEFAULT,
                             hwndMain, NULL, GetModuleHandle(NULL), 0);
    ok(hwndTip != NULL, _T("Creation of tooltip window failed\n"));

    /* Make it topmost, as per the MSDN */
    SetWindowPos(hwndTip, HWND_TOPMOST, 0, 0, 0, 0,
          SWP_NOMOVE | SWP_NOSIZE | SWP_NOACTIVATE);

    /* Create a tool */
    toolInfo.cbSize = sizeof(TOOLINFO);
    toolInfo.hwnd = hwndMain;
    toolInfo.hinst = GetModuleHandle(NULL);
    toolInfo.uFlags = TTF_SUBCLASS;
    toolInfo.uId = 0x1234ABCD;
    toolInfo.lpszText = (LPTSTR)_T("This is a test tooltip");
    GetClientRect(hwndMain, &toolInfo.rect);
    lResult = SendMessage(hwndTip, TTM_ADDTOOL, 0, (LPARAM)&toolInfo);
    ok(lResult, _T("Adding the tool to the tooltip failed\n"));


    // Step 3: The Message Loop
    while(GetMessage(&msg, NULL, 0, 0) > 0)
    {
        TranslateMessage(&msg);
        DispatchMessage(&msg);
    }
    return msg.wParam;
}