private void ShowSettings()
        {
            _keyboardListener.ClearEvent();

            var panel = new Panel(new Vector2(650, 650), PanelSkin.Fancy);

            panel.AddChild(new Header("Paramètres du jeu"));
            panel.AddChild(new HorizontalLine());

            var settingsPanel = new Panel(new Vector2(600, 100), PanelSkin.None, Anchor.Auto);

            settingsPanel.AddChild(new Paragraph("Volume audio"));
            settingsPanel.AddChild(new Slider(0, 100).Apply((ref Slider slider) => {
                slider.Value          = (PCGame.SoundVolume * 100f).Round();
                slider.OnValueChange += entity => PCGame.SoundVolume = ((Slider)entity).Value / 100f;
            }));

            panel.AddChild(settingsPanel);

            var settingsKeysPanel =
                new Panel(new Vector2(600, 350), PanelSkin.None, Anchor.Auto)
            {
                PanelOverflowBehavior = PanelOverflowBehavior.VerticalScroll
            };

            foreach (GameKeys.GKeys gk in Enum.GetValues(typeof(GameKeys.GKeys)))
            {
                var(description, key) = GameKeys.GetKey(gk);

                settingsKeysPanel.AddChild(new Paragraph(description));

                var btn = new Button(key.ToString())
                {
                    ToggleMode = true,
                    OnClick    = entity => {
                        foreach (var child in settingsKeysPanel.GetChildren())
                        {
                            if (!ReferenceEquals(child, entity) && child is Button b)
                            {
                                b.Checked = false;
                            }
                        }
                    }
                };

                _keyboardListener.OnKeyPressedEventArg += k => {
                    if (btn.Checked)
                    {
                        GameKeys.SetKey(gk, k);
                        btn.ButtonParagraph.Text = k.ToString();
                    }
                };

                settingsKeysPanel.AddChild(btn);
            }

            panel.AddChild(settingsKeysPanel);

            panel.AddChild(new Button("Fermer").Apply((ref Button btn) =>
                                                      btn.OnClick = entity => panel.RemoveFromParent()));

            UserInterface.Active.AddEntity(panel);
        }
    }