ryujinx/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 Margin="10" HorizontalAlignment="Center">
        <CheckBox Margin="0,0,0,2.5" IsChecked="{Binding TurnOffLed, Mode=TwoWay}"
                  Command="{Binding LedDisabledChanged}" IsVisible="{Binding ParentModel.CanClearLed}">
            <TextBlock Text="{ext:Locale ControllerSettingsLedColorDisable}" />
        </CheckBox>
        <CheckBox Margin="0,0,0,2.5" IsChecked="{Binding UseRainbowLed, Mode=TwoWay}">
            <TextBlock Text="{ext:Locale ControllerSettingsLedColorRainbow}" />
        </CheckBox>
        <StackPanel Orientation="Horizontal" Margin="0,0,0,2.5" IsEnabled="{Binding !TurnOffLed}">
            <TextBlock Margin="0,0,10,0" VerticalAlignment="Center" Text="{ext:Locale ControllerSettingsLedColorRainbowSpeed}" />
            <controls:SliderScroll
                Width="150"
                VerticalAlignment="Center"
                Value="{Binding RainbowSpeed}"
                TickFrequency="0.25"
                IsSnapToTickEnabled="True"
                LargeChange="1"
                SmallChange="0.25"
                Minimum="0"
                Maximum="10" />
            <TextBlock Width="40" Margin="5,0,0,1" VerticalAlignment="Center" Text="{Binding RainbowSpeedText}" />
        </StackPanel>
        <StackPanel Orientation="Horizontal" IsEnabled="{Binding ShowLedColorPicker}">
            <TextBlock VerticalAlignment="Center" Text="{ext:Locale ControllerSettingsLedColor}" />
            <ColorPicker
                Margin="20,0,0,0"
                IsAlphaEnabled="False"
                AttachedToVisualTree="ColorPicker_OnAttachedToVisualTree"
                ColorChanged="ColorPicker_OnColorChanged"
                Color="{Binding LedColor, Mode=TwoWay}">
            </ColorPicker>
        </StackPanel>
    </StackPanel>
</UserControl>