ryujinx-ryubing/src/Ryujinx/UI/Views/Input/LedInputView.axaml

<UserControl xmlns="https://github.com/avaloniaui"
             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
             xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
             xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
             xmlns:controls="clr-namespace:Ryujinx.Ava.UI.Controls"
             xmlns:ui="clr-namespace:FluentAvalonia.UI.Controls;assembly=FluentAvalonia"
             xmlns:ext="clr-namespace:Ryujinx.Ava.Common.Markup"
             xmlns:viewModels="clr-namespace:Ryujinx.Ava.UI.ViewModels.Input"
             mc:Ignorable="d" d:DesignWidth="800" d:DesignHeight="450"
             x:DataType="viewModels:LedInputViewModel"
             x:Class="Ryujinx.UI.Views.Input.LedInputView">
    <StackPanel Orientation="Vertical" HorizontalAlignment="Center">
        <StackPanel Orientation="Horizontal" IsVisible="{Binding ParentModel.CanClearLed}">
            <TextBlock MinWidth="75" MaxWidth="200" Text="{ext:Locale ControllerSettingsLedColorDisable}" />
            <CheckBox
                Margin="5"
                MinWidth="0"
                IsChecked="{Binding TurnOffLed, Mode=TwoWay}"
                Command="{Binding LedDisabledChanged}">
            </CheckBox>
        </StackPanel>
        <StackPanel Orientation="Horizontal" IsEnabled="{Binding !TurnOffLed}">
            <TextBlock MinWidth="75" MaxWidth="200" Text="{ext:Locale ControllerSettingsLedColorRainbow}" />
            <CheckBox
                Margin="5"
                MinWidth="0"
                IsChecked="{Binding UseRainbowLed, Mode=TwoWay}">
            </CheckBox>
        </StackPanel>
        <StackPanel Orientation="Horizontal" IsEnabled="{Binding !TurnOffLed}">
            <TextBlock MinWidth="75" MaxWidth="200" Text="{ext:Locale ControllerSettingsLedColorRainbowSpeed}" />
            <Slider HorizontalAlignment="Center" 
                    Value="{Binding RainbowSpeed}"
                    Width="175"
                    Margin="0,-3,0,0"
                    Height="32"
                    Padding="0,-5"
                    TickFrequency="0.25"
                    IsSnapToTickEnabled="True"
                    VerticalAlignment="Center"
                    Minimum="1"
                    Maximum="10" />
            <TextBlock Margin="5,0"
                       MinWidth="75"
                       Text="{Binding RainbowSpeed}"/>
        </StackPanel>
        <StackPanel Orientation="Horizontal" IsEnabled="{Binding ShowLedColorPicker}">
            <TextBlock MinWidth="75" MaxWidth="200" Text="{ext:Locale ControllerSettingsLedColor}" />
            <ui:ColorPickerButton
                Margin="5"
                IsMoreButtonVisible="False"
                UseColorPalette="False"
                UseColorTriangle="False"
                UseColorWheel="False"
                ShowAcceptDismissButtons="False"
                IsAlphaEnabled="False"
                AttachedToVisualTree="ColorPickerButton_OnAttachedToVisualTree"
                ColorChanged="ColorPickerButton_OnColorChanged"
                Color="{Binding LedColor, Mode=TwoWay}">
            </ui:ColorPickerButton>
        </StackPanel>
    </StackPanel>
</UserControl>