[Launcher] use .net WPF

.github/actions/spell-check/expect.txt

@@ -127,6 +127,7 @@ boxmodel
 BPBF
 bpmf
 bpp
+Breadcrumb
 Browsable
 BROWSEINFO
 bsd
@@ -328,6 +329,7 @@ DEVMODEW
 DEVMON
 devpkey
 DEVSOURCE
+DGR
 DIIRFLAG
 dimm
 DISABLEASACTIONKEY
@@ -1840,3 +1842,5 @@ zonable
 zoneset
 Zoneszonabletester
 zzz
+
+

.github/actions/spell-check/patterns.txt

@@ -131,7 +131,7 @@ _mm_(?!dd)\w+
 
 # hit-count: 4 file-count: 4
 # microsoft
-\b(?:https?://|)(?:(?:(?:blogs|download\.visualstudio|docs|msdn2?|research)\.|)microsoft|blogs\.msdn)\.co(?:m|\.\w\w)/[-_a-zA-Z0-9()=./%]*
+\b(?:https?://|)(?:(?:(?:blogs|download\.visualstudio|developer|docs|msdn2?|research)\.|)microsoft|blogs\.msdn)\.co(?:m|\.\w\w)/[-_a-zA-Z0-9()=./%]*
 
 aka\.ms/[a-zA-Z0-9]+
 

src/modules/launcher/PowerLauncher/App.xaml

@@ -8,8 +8,6 @@
     <Application.Resources>
         <ResourceDictionary>
             <ResourceDictionary.MergedDictionaries>
-                <ui:ThemesDictionary Theme="Dark" />
-                <ui:ControlsDictionary />
                 <ResourceDictionary Source="pack://application:,,,/Styles/Styles.xaml" />
             </ResourceDictionary.MergedDictionaries>
         </ResourceDictionary>

src/modules/launcher/PowerLauncher/Helper/AnimationFactorToValueConverter.cs

@@ -0,0 +1,45 @@
+// 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.
+
+// https://github.com/dotnet/wpf/blob/main/src/Microsoft.DotNet.Wpf/src/Themes/PresentationFramework.Fluent/Controls/AnimationFactorToValueConverter.cs
+using System;
+using System.Collections.Generic;
+using System.Globalization;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows.Data;
+
+#pragma warning disable IDE0130 // Namespace does not match folder structure
+namespace Fluent.Controls
+#pragma warning restore IDE0130 // Namespace does not match folder structure
+{
+    internal sealed class AnimationFactorToValueConverter : IMultiValueConverter
+    {
+        public object Convert(object[] values, Type targetType, object parameter, CultureInfo culture)
+        {
+            if (values[0] is not double completeValue)
+            {
+                return 0.0;
+            }
+
+            if (values[1] is not double factor)
+            {
+                return 0.0;
+            }
+
+            if (parameter is "negative")
+            {
+                factor = -factor;
+            }
+
+            return factor * completeValue;
+        }
+
+        public object[] ConvertBack(object value, Type[] targetTypes, object parameter, CultureInfo culture)
+        {
+            throw new NotImplementedException();
+        }
+    }
+}

src/modules/launcher/PowerLauncher/Helper/FallbackBrushConverter.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.
+
+// Copied from https://github.com/dotnet/wpf/blob/main/src/Microsoft.DotNet.Wpf/src/Themes/PresentationFramework.Fluent/Controls/FallbackBrushConverter.cs
+using System;
+using System.Collections.Generic;
+using System.Globalization;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+using System.Windows.Data;
+
+using System.Windows.Media;
+
+#pragma warning disable IDE0130 // Namespace does not match folder structure
+namespace Fluent.Controls
+#pragma warning restore IDE0130 // Namespace does not match folder structure
+{
+    internal sealed class FallbackBrushConverter : IValueConverter
+    {
+        public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
+        {
+            if (value is SolidColorBrush brush)
+            {
+                return brush;
+            }
+
+            if (value is Color color)
+            {
+                return new SolidColorBrush(color);
+            }
+
+            // We draw red to visibly see an invalid bind in the UI.
+            return Brushes.Red;
+        }
+
+        public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
+        {
+            throw new NotImplementedException();
+        }
+    }
+}

src/modules/launcher/PowerLauncher/Helper/ThemeExtensions.cs

@@ -2,46 +2,71 @@
 // 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 System.Globalization;
 using System.Linq;
 
 using ManagedCommon;
 using Microsoft.Win32;
-using Wpf.Ui.Appearance;
 
 namespace PowerLauncher.Helper
 {
     public static class ThemeExtensions
     {
-        public static Theme ToTheme(this ApplicationTheme applicationTheme)
+        public static Theme GetCurrentTheme()
         {
-            return applicationTheme switch
+            // Check for high-contrast mode
+            Theme highContrastTheme = GetHighContrastBaseType();
+            if (highContrastTheme != Theme.Light)
             {
-                ApplicationTheme.Dark => Theme.Dark,
-                ApplicationTheme.Light => Theme.Light,
-                ApplicationTheme.HighContrast => GetHighContrastBaseType(),
-                _ => Theme.Light,
-            };
+                return highContrastTheme;
+            }
+
+            // Check if the system is using dark or light mode
+            return IsSystemDarkMode() ? Theme.Dark : Theme.Light;
         }
 
-        private static Theme GetHighContrastBaseType()
+        private static bool IsSystemDarkMode()
         {
-            string registryKey = @"HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Themes";
-            string theme = (string)Registry.GetValue(registryKey, "CurrentTheme", string.Empty);
-            theme = theme.Split('\\').Last().Split('.').First().ToString();
+            const string registryKey = @"HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Themes\Personalize";
+            const string registryValue = "AppsUseLightTheme";
 
-            switch (theme)
+            // Retrieve the registry value, which is a DWORD (0 or 1)
+            object registryValueObj = Registry.GetValue(registryKey, registryValue, null);
+            if (registryValueObj != null)
             {
-                case "hc1":
-                    return Theme.HighContrastOne;
-                case "hc2":
-                    return Theme.HighContrastTwo;
-                case "hcwhite":
-                    return Theme.HighContrastWhite;
-                case "hcblack":
-                    return Theme.HighContrastBlack;
-                default:
-                    return Theme.HighContrastOne;
+                // 0 = Dark mode, 1 = Light mode
+                bool isLightMode = Convert.ToBoolean((int)registryValueObj, CultureInfo.InvariantCulture);
+                return !isLightMode; // Invert because 0 = Dark
             }
+            else
+            {
+                // Default to Light theme if the registry key is missing
+                return false; // Default to dark mode assumption
+            }
+        }
+
+        public static Theme GetHighContrastBaseType()
+        {
+            const string registryKey = @"HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Themes";
+            const string registryValue = "CurrentTheme";
+
+            string themePath = (string)Registry.GetValue(registryKey, registryValue, string.Empty);
+            if (string.IsNullOrEmpty(themePath))
+            {
+                return Theme.Light; // Default to light theme if missing
+            }
+
+            string theme = themePath.Split('\\').Last().Split('.').First().ToLowerInvariant();
+
+            return theme switch
+            {
+                "hc1" => Theme.HighContrastOne,
+                "hc2" => Theme.HighContrastTwo,
+                "hcwhite" => Theme.HighContrastWhite,
+                "hcblack" => Theme.HighContrastBlack,
+                _ => Theme.Light,
+            };
         }
     }
 }