Daniel Clark
76 lines
2.4 KiB
C#
76 lines
2.4 KiB
C#
using Avalonia;
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using Avalonia.Controls;
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using Avalonia.Media;
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using Avalonia.Media.Immutable;
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using FluentAvalonia.Styling;
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using FluentAvalonia.UI.Controls;
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using FluentAvalonia.UI.Media;
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using PropertyChanged;
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using System;
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using System.Runtime.InteropServices;
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namespace Builder;
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[DoNotNotify]
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public partial class MainWindow : CoreWindow
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{
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public MainWindow()
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{
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InitializeComponent();
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}
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protected override void OnOpened(EventArgs args)
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{
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if (AvaloniaLocator.Current.GetService<FluentAvaloniaTheme>() is FluentAvaloniaTheme theme)
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{
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theme.RequestedThemeChanged += OnRequestedThemeChanged;
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if (RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
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{
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if (IsWindows11 && theme.RequestedTheme != FluentAvaloniaTheme.HighContrastModeString)
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{
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TransparencyBackgroundFallback = Brushes.Transparent;
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TransparencyLevelHint = WindowTransparencyLevel.Mica;
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TryEnableMicaEffect(theme);
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}
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}
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}
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base.OnOpened(args);
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}
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private void OnRequestedThemeChanged(FluentAvaloniaTheme sender, RequestedThemeChangedEventArgs args)
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{
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if (RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
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{
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if (IsWindows11 && args.NewTheme != FluentAvaloniaTheme.HighContrastModeString)
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{
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TryEnableMicaEffect(sender);
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}
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else if (args.NewTheme == FluentAvaloniaTheme.HighContrastModeString)
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{
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SetValue(BackgroundProperty, AvaloniaProperty.UnsetValue);
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}
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}
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}
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private void TryEnableMicaEffect(FluentAvaloniaTheme theme)
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{
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if (theme.RequestedTheme == FluentAvaloniaTheme.DarkModeString)
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{
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Color2 color = this.TryFindResource("SolidBackgroundFillColorBase", out object? value) ? (Color2)(Color)value! : new Color2(32, 32, 32);
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color = color.LightenPercent(-0.5f);
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Background = new ImmutableSolidColorBrush(color, 0.78);
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}
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else if (theme.RequestedTheme == FluentAvaloniaTheme.LightModeString)
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{
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Color2 color = this.TryFindResource("SolidBackgroundFillColorBase", out object? value) ? (Color2)(Color)value! : new Color2(243, 243, 243);
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color = color.LightenPercent(0.5f);
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Background = new ImmutableSolidColorBrush(color, 0.9);
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}
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}
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}
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