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C-/C++-Quelltext

button = sfg::Button::Create("click");
    button->GetSignal(sfg::Widget::OnLeftClick).Connect(std::bind(&handlButton));
    desktop.Add(button);

C-/C++-Quelltext

void handlButton()
{
    if (button->IsGloballyVisible())
    {
        desktop.Remove(button);
        std::cout << "delete button" << std::endl;
    }
    return;
}

C-/C++-Quelltext

desktop.Update(1.0f);
render_window.clear(sf::Color{ 50, 50, 50 });
sfgui.Display(render_window);
render_window.display();

C-/C++-Quelltext

sf::RenderWindow render_window = { sf::VideoMode{ 400, 400 }, "Test" };
sf::Event event;
sfg::Desktop desktop;
sfg::SFGUI sfgui;
sfg::Button::Ptr button;
size_t timecount = 0;

void handlButton();

int main()
{
    render_window.resetGLStates();

    button = sfg::Button::Create("click");
    button->GetSignal(sfg::Widget::OnLeftClick).Connect(std::bind(&handlButton));
    desktop.Add(button);

    while (render_window.isOpen())
    {
        while (render_window.pollEvent(event))
        {
            if (event.type == sf::Event::Closed)
            {
                render_window.close();
            }

            desktop.HandleEvent(event);         
        }

        desktop.Update(1.0f);
        render_window.clear(sf::Color{ 50, 50, 50 });
        sfgui.Display(render_window);
        render_window.display();

        std::this_thread::sleep_for(std::chrono::milliseconds(100));
        timecount++;
        std::cout << timecount << std::endl;

        if (timecount == 100)
            desktop.RemoveAll();
    }

    return 0;
}

void handlButton()
{
    if (button->IsGloballyVisible())
    {
        desktop.Remove(button);
        std::cout << "delete button" << std::endl;
    }
    return;
}