gistfile1.cpp

RenderGUI::RenderGUI(Scene &scene):
    scene(scene),
    renderButtonEvent(0){
    
    render = sfg::Button::Create("Render");
    renderButtonEvent = render->GetSignal(sfg::Widget::OnLeftClick).Connect(std::bind(&RenderGUI::startRenderThread, this));
    
    progress = sfg::ProgressBar::Create();
    
    antialiasing = sfg::CheckButton::Create("AntiAliasing");
    antialiasing->SetActive(scene.useAntiAliasing());
    
    auto box = sfg::Box::Create( sfg::Box::Orientation::VERTICAL, 5.f );
    box->Pack(antialiasing);
    box->Pack(progress);
    box->Pack(render);
    
    window = sfg::Window::Create();
    window->SetTitle("Render");
    window->Add(box);
    window->SetRequisition(sf::Vector2f(300,100));
    window->SetPosition(sf::Vector2f(0,400));
    
}


void RenderGUI::startRenderThread(){
    if(renderThread.joinable()){
        renderThread.detach();
        renderThread.~thread();
    }
    scene.allowRendering(true);
    renderThread = std::thread(&RenderGUI::renderScene, this);
    render->SetLabel("Abort");
    if(renderButtonEvent != 0)
        render->GetSignal(sfg::Widget::OnLeftClick).Disconnect(renderButtonEvent);
    renderButtonEvent = render->GetSignal(sfg::Widget::OnLeftClick).Connect(std::bind( &RenderGUI::startRenderThread, this));
}