Method WinNativeWidget

DSView/pv/winnativewidget.cpp:60–120

-----------------------------WinNativeWidget

//-----------------------------WinNativeWidget 
WinNativeWidget::WinNativeWidget(const int x, const int y, const int width, 
        const int height, QColor backColor)
{   
    _childWindow = nullptr;
    _childWidget = nullptr;
    _hWnd = NULL;
    _event_callback = NULL;
    _is_lose_foreground = false;
    _hCurrentMonitor = NULL;
    _shadow = NULL; 
    _titleBarWidget = NULL;

    _is_native_border = IsWin11OrGreater();

    _border_color = QColor(0x80,0x80,0x80);
    int r = backColor.red();
    int g = backColor.green();
    int b = backColor.blue();

    HINSTANCE hInstance = GetModuleHandle(nullptr);
    WNDCLASSEX wcx;
    memset(&wcx, 0, sizeof(WNDCLASSEXW));

    wcx.cbSize = sizeof(WNDCLASSEX);
    wcx.style = CS_HREDRAW | CS_VREDRAW;
    wcx.hInstance = hInstance;
    wcx.lpfnWndProc = WndProc;
    wcx.cbClsExtra = 0;
    wcx.cbWndExtra = 0;
    wcx.lpszClassName = L"DSViewWindowClass";
    wcx.hCursor = LoadCursor(hInstance, IDC_ARROW);
    wcx.hbrBackground = CreateSolidBrush(RGB(r, g, b));
 
    RegisterClassEx(&wcx);
    if (FAILED(RegisterClassEx(&wcx)))
    {
        dsv_info("ERROR: can't register window class");
        assert(false);
    }
 
    _hWnd = CreateWindow(L"DSViewWindowClass", L"DSView",
            //WS_POPUP | WS_CAPTION | WS_SYSMENU | WS_MINIMIZEBOX | WS_MAXIMIZEBOX | WS_THICKFRAME | WS_CLIPCHILDREN,
            WS_OVERLAPPEDWINDOW | WS_CLIPCHILDREN | WS_CLIPSIBLINGS, 
            x, y, width, height,
            NULL, NULL, hInstance, NULL);

    if (!_hWnd)
    {
        dsv_info("ERROR: can't create naitive window");
        assert(false);
    }
    
    SetWindowLongPtr(_hWnd, GWLP_USERDATA, reinterpret_cast<LONG_PTR>(this));
    SetWindowPos(_hWnd, NULL, 0, 0, 0, 0, SWP_FRAMECHANGED | SWP_NOMOVE | SWP_NOSIZE);

    if (!_is_native_border){
        _shadow = new WinShadow(_hWnd, NULL);
        _shadow->createWinId();