bool IsAltTabWindow()

in cpp/ScreenCaptureforHWND/ScreenCaptureforHWND/Win32WindowEnumeration.h [45:88]

• 36 lines of code
• 8 McCabe index (conditional complexity)

bool IsAltTabWindow(Window const& window)
{
    HWND hwnd = window.Hwnd();
    HWND shellWindow = GetShellWindow();

    auto title = window.Title();
    auto className = window.ClassName();

    if (hwnd == shellWindow)
    {
        return false;
    }

    if (title.length() == 0)
    {
        return false;
    }

    if (!IsWindowVisible(hwnd))
    {
        return false;
    }

    if (GetAncestor(hwnd, GA_ROOT) != hwnd)
    {
        return false;
    }

    LONG style = GetWindowLong(hwnd, GWL_STYLE);
    if (!((style & WS_DISABLED) != WS_DISABLED))
    {
        return false;
    }

    DWORD cloaked = FALSE;
    HRESULT hrTemp = DwmGetWindowAttribute(hwnd, DWMWA_CLOAKED, &cloaked, sizeof(cloaked));
    if (SUCCEEDED(hrTemp) &&
        cloaked == DWM_CLOAKED_SHELL)
    {
        return false;
    }

    return true;
}