Update settings config.

src/settings-ui/Microsoft.PowerToys.Settings.UI.Library/ViewModels/EspressoViewModel.cs

@@ -63,6 +63,22 @@ namespace Microsoft.PowerToys.Settings.UI.Library.ViewModels
             }
         }
 
+        public EspressoMode Mode
+        {
+            get => _mode;
+            set
+            {
+                if (_mode != value)
+                {
+                    _mode = value;
+                    OnPropertyChanged(nameof(Mode));
+
+                    Settings.Properties.Mode = value;
+                    NotifyPropertyChanged();
+                }
+            }
+        }
+
         public bool KeepDisplayOn
         {
             get => _keepDisplayOn;

src/settings-ui/Microsoft.PowerToys.Settings.UI/Converters/EspressoModeToBoolConverter.cs

@@ -0,0 +1,44 @@
+// Copyright (c) Microsoft Corporation
+// The Microsoft Corporation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+using System;
+using Microsoft.PowerToys.Settings.UI.Library;
+using Windows.UI.Xaml.Data;
+
+namespace Microsoft.PowerToys.Settings.UI.Converters
+{
+    public sealed class EspressoModeToBoolConverter : IValueConverter
+    {
+        public object Convert(object value, Type targetType, object parameter, string language)
+        {
+            if (targetType != typeof(bool))
+            {
+                throw new InvalidOperationException("The target type needs to be a boolean.");
+            }
+
+            switch ((EspressoMode)value)
+            {
+                case EspressoMode.INDEFINITE:
+                    return true;
+                case EspressoMode.TIMED:
+                    return false;
+            }
+
+            return false;
+        }
+
+        public object ConvertBack(object value, Type targetType, object parameter, string language)
+        {
+            switch ((bool)value)
+            {
+                case true:
+                    return EspressoMode.INDEFINITE;
+                case false:
+                    return EspressoMode.TIMED;
+            }
+
+            return EspressoMode.INDEFINITE;
+        }
+    }
+}

src/settings-ui/Microsoft.PowerToys.Settings.UI/Converters/EspressoModeToReverseBoolConverter.cs

@@ -0,0 +1,44 @@
+// Copyright (c) Microsoft Corporation
+// The Microsoft Corporation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+using System;
+using Microsoft.PowerToys.Settings.UI.Library;
+using Windows.UI.Xaml.Data;
+
+namespace Microsoft.PowerToys.Settings.UI.Converters
+{
+    public sealed class EspressoModeToReverseBoolConverter : IValueConverter
+    {
+        public object Convert(object value, Type targetType, object parameter, string language)
+        {
+            if (targetType != typeof(bool))
+            {
+                throw new InvalidOperationException("The target type needs to be a boolean.");
+            }
+
+            switch ((EspressoMode)value)
+            {
+                case EspressoMode.INDEFINITE:
+                    return false;
+                case EspressoMode.TIMED:
+                    return true;
+            }
+
+            return false;
+        }
+
+        public object ConvertBack(object value, Type targetType, object parameter, string language)
+        {
+            switch ((bool)value)
+            {
+                case false:
+                    return EspressoMode.INDEFINITE;
+                case true:
+                    return EspressoMode.TIMED;
+            }
+
+            return EspressoMode.INDEFINITE;
+        }
+    }
+}

src/settings-ui/Microsoft.PowerToys.Settings.UI/Microsoft.PowerToys.Settings.UI.csproj

@@ -105,6 +105,8 @@
     <Compile Include="Controls\ShortcutVisualControl.xaml.cs">
       <DependentUpon>ShortcutVisualControl.xaml</DependentUpon>
     </Compile>
+    <Compile Include="Converters\EspressoModeToBoolConverter.cs" />
+    <Compile Include="Converters\EspressoModeToReverseBoolConverter.cs" />
     <Compile Include="Converters\ModuleEnabledToForegroundConverter.cs" />
     <Compile Include="Generated Files\AssemblyInfo.cs">
       <SubType>Code</SubType>

src/settings-ui/Microsoft.PowerToys.Settings.UI/Views/EspressoPage.xaml

@@ -6,6 +6,7 @@
     xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
     xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
     xmlns:muxc="using:Microsoft.UI.Xaml.Controls"
+    xmlns:c="using:Microsoft.PowerToys.Settings.UI.Converters"
     xmlns:Custom="using:Microsoft.PowerToys.Settings.UI.Controls"
     xmlns:Color="using:Microsoft.PowerToys.Settings.UI.Library.ViewModels" xmlns:Interactivity="using:Microsoft.Xaml.Interactivity" xmlns:Core="using:Microsoft.Xaml.Interactions.Core"
     mc:Ignorable="d"
@@ -14,6 +15,11 @@
     Background="{ThemeResource ApplicationPageBackgroundThemeBrush}"
     AutomationProperties.LandmarkType="Main">
 
+    <Page.Resources>
+        <c:EspressoModeToBoolConverter x:Key="EspressoModeToBoolConverter" />
+        <c:EspressoModeToReverseBoolConverter x:Key="EspressoModeToReverseBoolConverter" />
+    </Page.Resources>
+    
     <Grid RowSpacing="{StaticResource DefaultRowSpacing}">
         <VisualStateManager.VisualStateGroups>
             <VisualStateGroup x:Name="LayoutVisualStates">
@@ -70,7 +76,8 @@
 
             <StackPanel Margin="{StaticResource MediumTopMargin}">
                 <RadioButton x:Uid="Espresso_IndefiniteKeepAwake"
-                             IsEnabled="{Binding IsEnabled}">
+                             IsEnabled="{Binding IsEnabled}"
+                             IsChecked="{Binding Mode, Mode=TwoWay, Converter={StaticResource EspressoModeToBoolConverter}}">
                     <RadioButton.Content>
                         <TextBlock TextWrapping="WrapWholeWords" LineHeight="20">
                         <Run x:Uid="Espresso_IndefiniteKeepAwakeContent"/>
@@ -81,7 +88,8 @@
                     </RadioButton.Content>
                 </RadioButton>
                 <RadioButton x:Uid="Espresso_TemporaryKeepAwake"
-                             IsEnabled="{Binding IsEnabled}">
+                             IsEnabled="{Binding IsEnabled}"
+                             IsChecked="{Binding Mode, Mode=TwoWay, Converter={StaticResource EspressoModeToReverseBoolConverter}}">
                     <RadioButton.Content>
                         <TextBlock TextWrapping="WrapWholeWords" LineHeight="20">
                         <Run x:Uid="Espresso_TemporaryKeepAwakeContent"/>