Function ChangeRenderWindow

Source/Player/WinMain.cpp:86–131

}

static void ChangeRenderWindow(HWND hwnd, int width, int height, bool fullscreen) {
    int style = ::GetWindowLong(hwnd, GWL_STYLE);

    if (fullscreen) {
        style &= ~WS_OVERLAPPEDWINDOW;
        style |= WS_POPUP;
        SetWindowLong(hwnd, GWL_STYLE, style);
        SetWindowLong(hwnd, GWL_EXSTYLE, WS_EX_TOPMOST);

        HMENU hmenu = GetMenu(hwnd);
        if (hmenu) {
            SetMenu(hwnd, NULL);
        }
    } else {
        style &= ~WS_POPUP;
        style |= WS_OVERLAPPEDWINDOW;
        SetWindowLong(hwnd, GWL_STYLE, style);
        SetWindowLong(hwnd, GWL_EXSTYLE, 0);
        ShowWindow(hwnd, SW_RESTORE);

        if (hmenu) {
            SetMenu(hwnd, hmenu);
        }
    }

    RECT rect;
    ::SetRect(&rect, 0, 0, width, height);
    ::AdjustWindowRect(&rect, style, 0);
    
    BE1::Rect windowRect;
    windowRect.w = rect.right - rect.left;
    windowRect.h = rect.bottom - rect.top;	

    if (fullscreen) {
        windowRect.x = 0;
        windowRect.y = 0;
    } else {
        windowRect.x = (GetSystemMetrics(SM_CXSCREEN) - windowRect.w) >> 1;
        windowRect.y = (GetSystemMetrics(SM_CYSCREEN) - windowRect.h) >> 1;
    }
    
    ::MoveWindow(hwnd, windowRect.x, windowRect.y, windowRect.w, windowRect.h, FALSE);	

    ::SetForegroundWindow(hwnd);
    ::SetFocus(hwnd);
}

static void DestroyRenderWindow(HWND hwnd) {
    ::DestroyWindow(hwnd);