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Update MsgView.axaml.cs

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xujie86 2025-09-25 06:57:58 +08:00 committed by GitHub
parent 6d45efc9e6
commit fafdbb42ca
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1 changed files with 17 additions and 10 deletions
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27
v2rayN/v2rayN.Desktop/Views/MsgView.axaml.cs
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@ -5,12 +5,15 @@ using Avalonia.ReactiveUI;
using Avalonia.Threading;
using ReactiveUI;
using v2rayN.Desktop.Common;
using System.Text;
namespace v2rayN.Desktop.Views;
public partial class MsgView : ReactiveUserControl<MsgViewModel>
{
private readonly ScrollViewer _scrollViewer;
private const int _maxLines = 320; // 实际保留的行数
private const int _trimLines = 350; // 超过此阈值时裁剪
private int _lastShownLength = 0;
public MsgView()
@ -32,8 +35,7 @@ public partial class MsgView : ReactiveUserControl<MsgViewModel>
switch (action)
{
case EViewAction.DispatcherShowMsg:
if (obj is null)
return false;
if (obj is null) return false;
Dispatcher.UIThread.Post(() =>
ShowMsg(obj),
@ -46,16 +48,20 @@ public partial class MsgView : ReactiveUserControl<MsgViewModel>
private void ShowMsg(object msg)
{
var newText = msg?.ToString() ?? string.Empty;
txtMsg.Text += newText;
if (txtMsg.Text is { } old && newText.Length >= _lastShownLength && newText.AsSpan(0, _lastShownLength).SequenceEqual(old))
var lines = txtMsg.Text.Split(Environment.NewLine);
if (lines.Length > _trimLines)
{
var delta = newText.AsSpan(_lastShownLength);
if (!delta.IsEmpty)
txtMsg.Text += delta.ToString();
}
else
{
txtMsg.Text = newText;
var sb = new StringBuilder();
int start = lines.Length - _maxLines;
for (int i = start; i < lines.Length; i++)
{
sb.Append(lines[i]);
if (i < lines.Length - 1)
sb.Append(Environment.NewLine);
}
txtMsg.Text = sb.ToString();
}
_lastShownLength = txtMsg.Text.Length;
@ -70,6 +76,7 @@ public partial class MsgView : ReactiveUserControl<MsgViewModel>
{
ViewModel?.ClearMsg();
txtMsg.Text = "";
_lastShownLength = 0;
}
private void menuMsgViewSelectAll_Click(object? sender, RoutedEventArgs e)