bool Window::EnableFullscreen(std::size_t w, std::size_t h, std::size_t bpp)
    {
        // Find out the name of the device this window
        // is on (this is for multi-monitor setups)
        HMONITOR hMonitor = MonitorFromWindow(m_handle->hWnd, MONITOR_DEFAULTTOPRIMARY);
        MONITORINFOEX monInfo;
        memset(&monInfo, 0, sizeof(MONITORINFOEX));
        monInfo.cbSize = sizeof(MONITORINFOEX);
        GetMonitorInfo(hMonitor, &monInfo);

        // Find the requested device mode
        DEVMODE dmode;
        bool foundMode = false;
        memset(&dmode, 0, sizeof(DEVMODE));
        dmode.dmSize = sizeof(DEVMODE);
        for(int i=0 ; EnumDisplaySettings(monInfo.szDevice, i, &dmode) && !foundMode ; ++i)
        {
            foundMode = (dmode.dmPelsWidth==(DWORD)w) &&
                        (dmode.dmPelsHeight==(DWORD)h) &&
                        (dmode.dmBitsPerPel==(DWORD)bpp);
        }
        if(!foundMode) return false;
        dmode.dmFields = DM_BITSPERPEL | DM_PELSWIDTH | DM_PELSHEIGHT;

        // If we're switching from a windowed mode to this fullscreen
        // mode, save some information about the window so that it can
        // be restored when switching back to windowed mode
        DWORD style=0, exstyle=0;
        if(!m_fullscreen)
        {
            // Save the current window position/size
            RECT rect;
            GetWindowRect(m_handle->hWnd, &rect);
            m_windowedX = rect.left;
            m_windowedY = rect.top;
            m_windowedWidth = rect.right - rect.left;
            m_windowedHeight = rect.bottom - rect.top;

            // Save the window style and set it for fullscreen mode
            style = GetWindowLongPtr(m_handle->hWnd, GWL_STYLE);
            exstyle = GetWindowLongPtr(m_handle->hWnd, GWL_EXSTYLE);
            SetWindowLongPtr(m_handle->hWnd, GWL_STYLE, style & (~WS_OVERLAPPEDWINDOW));
            SetWindowLongPtr(m_handle->hWnd, GWL_EXSTYLE, exstyle | WS_EX_APPWINDOW | WS_EX_TOPMOST);
        }

        // Attempt to change the resolution
        LONG ret = ChangeDisplaySettingsEx(monInfo.szDevice, &dmode, NULL, CDS_FULLSCREEN, NULL);
        //LONG ret = ChangeDisplaySettings(&dmode, CDS_FULLSCREEN);
        bool ok = (ret == DISP_CHANGE_SUCCESSFUL);
        if(ok) m_fullscreen = true;

        // If all was good resize & reposition the window
        // to match the new resolution on the correct monitor
        if(ok)
        {
            // We need to call GetMonitorInfo() again becase
            // details may have changed with the resolution
            GetMonitorInfo(hMonitor, &monInfo);

            // Set the window's size and position so
            // that it covers the entire screen
            SetWindowPos(m_handle->hWnd, NULL, monInfo.rcMonitor.left, monInfo.rcMonitor.top, (int)w, (int)h,
                         SWP_NOACTIVATE | SWP_NOCOPYBITS | SWP_NOOWNERZORDER | SWP_NOREPOSITION | SWP_NOZORDER);
        }

        // If the attempt failed and we weren't already
        // in fullscreen mode, restore the window styles
        else if(!m_fullscreen)
        {
            SetWindowLongPtr(m_handle->hWnd, GWL_STYLE, style);
            SetWindowLongPtr(m_handle->hWnd, GWL_EXSTYLE, exstyle);
        }

        return ok;
    }

    void Window::DisableFullscreen()
    {
        if(m_fullscreen)
        {
            // Find out the name of the device this window
            // is on (this is for multi-monitor setups)
            HMONITOR hMonitor = MonitorFromWindow(m_handle->hWnd, MONITOR_DEFAULTTOPRIMARY);
            MONITORINFOEX monInfo;
            memset(&monInfo, 0, sizeof(MONITORINFOEX));
            monInfo.cbSize = sizeof(MONITORINFOEX);
            GetMonitorInfo(hMonitor, &monInfo);

            // Restore the display resolution
            ChangeDisplaySettingsEx(monInfo.szDevice, NULL, NULL, 0, NULL);
            //ChangeDisplaySettings(NULL, 0);
            m_fullscreen = false;

            // Restore the window styles
            DWORD style = GetWindowLongPtr(m_handle->hWnd, GWL_STYLE);
            DWORD exstyle = GetWindowLongPtr(m_handle->hWnd, GWL_EXSTYLE);
            SetWindowLongPtr(m_handle->hWnd, GWL_STYLE, style | WS_OVERLAPPEDWINDOW);
            SetWindowLongPtr(m_handle->hWnd, GWL_EXSTYLE, exstyle & (~(WS_EX_APPWINDOW | WS_EX_TOPMOST)));

            // Restore the window size/position
            SetPosition(m_windowedX, m_windowedY);
            SetSize(m_windowedWidth, m_windowedHeight);
        }
    }