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feat(Avalonia): add fully functional LogViewer
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+407
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4 files changed

+407
-94
lines changed

‎SnapX.Avalonia/Views/LogViewer.axaml‎

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<windowing:AppWindow
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Closed="AppWindow_OnClosed"
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Height="800"
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Loaded="AppWindow_OnLoaded"
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Title="Log Viewer"
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Width="900"
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x:Class="SnapX.Avalonia.Views.LogViewer"
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xmlns="https://github.com/avaloniaui"
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xmlns:utils="clr-namespace:SnapX.Core.Utils;assembly=SnapX.Core"
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xmlns:windowing="clr-namespace:FluentAvalonia.UI.Windowing;assembly=FluentAvalonia"
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xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
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<DockPanel>
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<StackPanel
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DockPanel.Dock="Bottom"
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HorizontalAlignment="Right"
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Margin="10"
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Orientation="Horizontal"
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Spacing="8">
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<Button Click="CopyButton_OnClick" Content="Copy" />
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<Button Click="UploadLogButton_OnClick" Content="Upload" />
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<Button Click="OpenLogFolderButton_OnClick" Content="Open Log Folder" />
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<Button Click="ClearButton_OnClick" Content="Clear" />
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<Button Click="Close_Click" Content="{x:Static utils:Lang.Close}" />
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</StackPanel>
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<ScrollViewer VerticalScrollBarVisibility="Auto" x:Name="ScrollViewer">
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<StackPanel Margin="10" Spacing="10">
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<SelectableTextBlock
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FontSize="16"
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SizeChanged="LogTextBlock_OnSizeChanged"
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TextWrapping="Wrap"
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x:Name="LogTextBlock" />
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</StackPanel>
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</ScrollViewer>
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</DockPanel>
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</windowing:AppWindow>

‎SnapX.Avalonia/Views/LogViewer.axaml.cs‎

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using Avalonia;
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using Avalonia.Controls;
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using Avalonia.Controls.Documents;
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using Avalonia.Interactivity;
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using Avalonia.Media;
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using Avalonia.Threading;
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using FluentAvalonia.UI.Windowing;
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using Serilog.Events;
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using SnapX.Core;
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using SnapX.Core.Upload;
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using SnapX.Core.Utils;
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namespace SnapX.Avalonia.Views;
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public partial class LogViewer : AppWindow
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{
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private ScrollViewer? _scrollViewer;
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private SelectableTextBlock? _logTextBlock;
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private int _lastDisplayedLogCount;
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private DispatcherTimer _refreshTimer;
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public LogViewer()
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{
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InitializeComponent();
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_refreshTimer = new DispatcherTimer
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{
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Interval = TimeSpan.FromMilliseconds(10)
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};
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_refreshTimer.Tick += (_, _) => RefreshLogs();
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}
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private void AppWindow_OnLoaded(object? sender, RoutedEventArgs e)
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{
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_scrollViewer = this.FindControl<ScrollViewer>("ScrollViewer");
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_logTextBlock = this.FindControl<SelectableTextBlock>("LogTextBlock");
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_lastDisplayedLogCount = 0;
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_refreshTimer.Start();
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}
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private void AppWindow_OnClosed(object? sender, EventArgs e)
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{
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_lastDisplayedLogCount = 0;
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_refreshTimer.Stop();
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}
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private void Close_Click(object? sender, RoutedEventArgs e) => Close();
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private void RefreshLogs()
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{
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if (DebugHelper.LogEvents.Count() <= _lastDisplayedLogCount) return;
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for (var i = _lastDisplayedLogCount; i < DebugHelper.LogEvents.Count(); i++)
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{
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var logEvent = DebugHelper.LogEvents.ElementAt(i);
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var timestamp = logEvent.Timestamp.ToString("hh:mm:ss");
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var level = logEvent.Level.ToString().ToUpper();
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if (level == "INFORMATION") level = "INFO";
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var message = logEvent.RenderMessage();
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if (_logTextBlock is null)
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{
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DebugHelper.WriteLine($"{nameof(RefreshLogs)}: {nameof(_logTextBlock)} is null!");
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return;
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}
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_logTextBlock.Inlines!.Add(new Run($"{timestamp} ")
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{
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Foreground = Brushes.DimGray // Use DimGray for a softer grey that works well on dark backgrounds
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});
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_logTextBlock.Inlines.Add(new Run($"[{level}] ")
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{
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Foreground = GetBrushForLevel(logEvent.Level)
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});
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_logTextBlock.Inlines.Add(new Run($"{message}\n")
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{
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Foreground = Brushes.White
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});
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if (logEvent.Exception != null)
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{
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_logTextBlock.Inlines.Add(new Run(logEvent.Exception + "\n")
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{
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Foreground = Brushes.DarkRed
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});
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}
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_lastDisplayedLogCount = DebugHelper.LogEvents.Count();
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}
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}
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private IBrush GetBrushForLevel(LogEventLevel level)
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{
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return level switch
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{
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LogEventLevel.Verbose => new LinearGradientBrush
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{
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StartPoint = new RelativePoint(0, 0, RelativeUnit.Relative),
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EndPoint = new RelativePoint(1, 1, RelativeUnit.Relative),
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GradientStops = new GradientStops
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{
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new GradientStop(Color.FromRgb(60, 60, 60), 0),
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new GradientStop(Color.FromRgb(40, 40, 40), 1)
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}
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},
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LogEventLevel.Debug => new LinearGradientBrush
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{
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StartPoint = new RelativePoint(0, 0, RelativeUnit.Relative),
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EndPoint = new RelativePoint(1, 1, RelativeUnit.Relative),
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GradientStops = new GradientStops
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{
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new GradientStop(Color.FromRgb(50, 100, 150), 0),
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new GradientStop(Color.FromRgb(30, 70, 120), 1)
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}
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},
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LogEventLevel.Information => new LinearGradientBrush
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{
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StartPoint = new RelativePoint(0, 0, RelativeUnit.Relative),
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EndPoint = new RelativePoint(1, 1, RelativeUnit.Relative),
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GradientStops = new GradientStops
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{
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new GradientStop(Color.FromRgb(70, 130, 70), 0),
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new GradientStop(Color.FromRgb(40, 90, 40), 1)
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}
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},
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LogEventLevel.Warning => new LinearGradientBrush
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{
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StartPoint = new RelativePoint(0, 0, RelativeUnit.Relative),
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EndPoint = new RelativePoint(1, 1, RelativeUnit.Relative),
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GradientStops = new GradientStops
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{
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new GradientStop(Color.FromRgb(200, 160, 0), 0),
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new GradientStop(Color.FromRgb(150, 110, 0), 1)
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}
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},
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LogEventLevel.Error => new LinearGradientBrush
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{
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StartPoint = new RelativePoint(0, 0, RelativeUnit.Relative),
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EndPoint = new RelativePoint(1, 1, RelativeUnit.Relative),
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GradientStops = new GradientStops
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{
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new GradientStop(Color.FromRgb(180, 50, 50), 0),
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new GradientStop(Color.FromRgb(130, 30, 30), 1)
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}
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},
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LogEventLevel.Fatal => new LinearGradientBrush
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{
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StartPoint = new RelativePoint(0, 0, RelativeUnit.Relative),
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EndPoint = new RelativePoint(1, 1, RelativeUnit.Relative),
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GradientStops = new GradientStops
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{
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new GradientStop(Color.FromRgb(100, 0, 0), 0),
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new GradientStop(Color.FromRgb(30, 0, 0), 1)
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}
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},
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_ => new SolidColorBrush(Colors.DimGray)
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};
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}
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private void ClearButton_OnClick(object? Sender, RoutedEventArgs E)
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{
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_logTextBlock?.Inlines?.Clear();
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}
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private void OpenLogFolderButton_OnClick(object? Sender, RoutedEventArgs E)
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{
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URLHelpers.OpenURL(Core.SnapX.LogsFolder);
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}
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private void UploadLogButton_OnClick(object? Sender, RoutedEventArgs E)
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{
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UploadManager.UploadText(_logTextBlock.Inlines?.OfType<Run>()
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.Aggregate("", (current, run) => current + run.Text)!);
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}
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private void CopyButton_OnClick(object? Sender, RoutedEventArgs E)
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{
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Clipboard?.SetTextAsync(_logTextBlock.Inlines?.OfType<Run>().Aggregate("", (current, run) => current + run.Text)!);
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}
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private void LogTextBlock_OnSizeChanged(object? Sender, SizeChangedEventArgs e)
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{
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if (!e.HeightChanged || _scrollViewer is null) return;
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var shouldScrollToEnd = Math.Abs(_scrollViewer.Offset.Y - _scrollViewer.Extent.Height + _scrollViewer.Viewport.Height) < 5; // Very small tolerance!
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if (shouldScrollToEnd) _scrollViewer.ScrollToEnd();
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}
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}

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