M_ViperandClaude Opus 5.5
77bb3e6b9d
Desktop-Icons in eigene Kategorien sortieren: Windows-11-Design (hell/dunkel), Desktop-Boxen, automatisches Einsortieren nach Regeln, Rückgängig, Suche, Infobereich mit Tastenkürzel, Sicherung als ZIP und Installer ohne Adminrechte. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
75 lines
2.8 KiB
C#
75 lines
2.8 KiB
C#
using System.Windows;
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using System.Windows.Media;
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using Microsoft.Win32;
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namespace DeskCore;
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/// <summary>Übernimmt Hell/Dunkel-Modus und Akzentfarbe von Windows – auch live, wenn man sie ändert.</summary>
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public static class Theme
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{
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public static bool IsLight { get; private set; } = true;
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/// <summary>Vom Benutzer gewählter Modus; "System" folgt der Windows-Einstellung.</summary>
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public static DesignMode Mode => AppSettings.Current.Design;
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public static void Init()
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{
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Apply();
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SystemEvents.UserPreferenceChanged += (_, e) =>
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{
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if (e.Category is UserPreferenceCategory.General or UserPreferenceCategory.Color or UserPreferenceCategory.VisualStyle)
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Application.Current.Dispatcher.BeginInvoke(Apply);
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};
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}
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public static void Apply()
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{
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IsLight = Mode switch
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{
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DesignMode.Light => true,
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DesignMode.Dark => false,
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_ => ReadDword(@"Software\Microsoft\Windows\CurrentVersion\Themes\Personalize", "AppsUseLightTheme") != 0,
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};
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var res = Application.Current.Resources;
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res.MergedDictionaries[0] = new ResourceDictionary
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{
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Source = new Uri($"pack://application:,,,/Themes/Colors.{(IsLight ? "Light" : "Dark")}.xaml")
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};
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// DWM speichert die Akzentfarbe als ABGR
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int abgr = ReadDword(@"Software\Microsoft\Windows\DWM", "AccentColor") is var v and not -1 ? v : unchecked((int)0xFFD77800);
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var accent = Color.FromRgb((byte)abgr, (byte)(abgr >> 8), (byte)(abgr >> 16));
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// Wie Windows 11: im Hellmodus etwas dunkler + weiße Schrift, im Dunkelmodus deutlich heller + schwarze Schrift
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var a = IsLight ? Mix(accent, Colors.Black, 0.12) : Mix(accent, Colors.White, 0.45);
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res["AccentBrush"] = Brush(a);
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res["AccentHoverBrush"] = Brush(IsLight ? Mix(a, Colors.White, 0.1) : Mix(a, Colors.Black, 0.1));
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res["OnAccentBrush"] = Brush(IsLight ? Colors.White : Colors.Black);
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res["AccentSubtleBrush"] = Brush(Color.FromArgb(IsLight ? (byte)0x22 : (byte)0x30, a.R, a.G, a.B));
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res["AccentSubtleStrokeBrush"] = Brush(Color.FromArgb(IsLight ? (byte)0x55 : (byte)0x60, a.R, a.G, a.B));
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Changed?.Invoke();
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}
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public static event Action? Changed;
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private static int ReadDword(string key, string name)
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{
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try
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{
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using var k = Registry.CurrentUser.OpenSubKey(key);
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return k?.GetValue(name) is int i ? i : -1;
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}
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catch { return -1; }
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}
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private static Color Mix(Color c, Color with, double t) => Color.FromRgb(
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(byte)(c.R + (with.R - c.R) * t), (byte)(c.G + (with.G - c.G) * t), (byte)(c.B + (with.B - c.B) * t));
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private static SolidColorBrush Brush(Color c)
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{
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var b = new SolidColorBrush(c);
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b.Freeze();
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return b;
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}
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}
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