Merge commit 'b134b2b5c4564cdb92187d469d8f14324e56d1de'

Author: lindexi

Blog/RallreakechuFeakenalldea/RallreakechuFeakenalldea.Desktop/Properties/launchSettings.json

@@ -2,7 +2,7 @@
   "profiles": {
     "RallreakechuFeakenalldea.Desktop": {
       "commandName": "Project",
-      "commandLineArgs": "C:\\lindexi\\TestFile_GBK.txt"
+      "commandLineArgs": "C:\\lindexi\\TestFile.txt"
     }
   }
 }

Blog/RallreakechuFeakenalldea/SimpleWrite/ViewModels/StatusViewModel.cs

@@ -1,6 +1,7 @@
 using SimpleWrite.Models;
 
 using System;
+using Avalonia.Threading;
 
 namespace SimpleWrite.ViewModels;
 
@@ -42,7 +43,12 @@ public string StatusText
     public void SetCurrentCaretInfoText(string currentCaretInfoText)
     {
         _currentCaretInfoText = currentCaretInfoText;
-        OnPropertyChanged(nameof(StatusText));
+
+        // 放在后台执行，防止在主线程访问 Render 之后，执行强行渲染导致布局完成更新光标信息，从而触发 Avalonia 已知问题： 禁止在 Render 时执行 InvalidVisual 方法
+        _ = Dispatcher.UIThread.InvokeAsync(() =>
+        {
+            OnPropertyChanged(nameof(StatusText));
+        }, DispatcherPriority.Background);
     }
 
     private string? _currentCaretInfoText;

Blog/RallreakechuFeakenalldea/SimpleWrite/Views/Components/MainEditorView.axaml.cs

@@ -74,8 +74,6 @@ private void UpdateCurrentEditorMode(EditorModel editorModel)
         CurrentTextEditor = textEditor;
     }
 
-    
-
     private TextEditor _currentTextEditor = null!;
 
     public TextEditor CurrentTextEditor

Blog/RallreakechuFeakenalldea/SimpleWrite/Views/Components/StatusBar.axaml.cs

@@ -54,8 +54,20 @@ private void UpdateTextEditor(TextEditor textEditor)
     {
         _currentTextEditor = textEditor;
 
+        _currentTextEditor.CurrentSelectionChanged -= CurrentTextEditor_CurrentSelectionChanged;
         _currentTextEditor.CurrentSelectionChanged += CurrentTextEditor_CurrentSelectionChanged;
+
+        _currentTextEditor.LayoutCompleted -=
+            OnLayoutCompleted;
+        _currentTextEditor.LayoutCompleted +=
+            OnLayoutCompleted;
+
         SetCurrentCaretInfoText(textEditor.CurrentSelection);
+
+        void OnLayoutCompleted(object? sender, LayoutCompletedEventArgs e)
+        {
+            SetCurrentCaretInfoText(textEditor.CurrentSelection);
+        }
     }
 
     private void CurrentTextEditor_CurrentSelectionChanged(object? sender, TextEditorValueChangeEventArgs<Selection> e)
@@ -66,25 +78,39 @@ private void CurrentTextEditor_CurrentSelectionChanged(object? sender, TextEdito
 
     private void SetCurrentCaretInfoText(in Selection selection)
     {
+        string caretInfo;
+
         if (selection.IsEmpty)
         {
             CaretOffset caretOffset = selection.StartOffset;
             if (caretOffset.IsAtLineStart)
             {
-                ViewModel.SetCurrentCaretInfoText($"光标位置: {caretOffset.Offset} 处于行首");
+                caretInfo = $"光标位置: {caretOffset.Offset} 处于行首";
             }
             else
             {
-                ViewModel.SetCurrentCaretInfoText($"光标位置: {caretOffset.Offset}");
+                caretInfo = $"光标位置: {caretOffset.Offset}";
             }
         }
         else
         {
-            ViewModel.SetCurrentCaretInfoText
-            (
-                $"选择范围: {selection.StartOffset.Offset} - {selection.EndOffset.Offset} 长度: {selection.Length}"
-            );
+            caretInfo =
+             $"选择范围: {selection.StartOffset.Offset} - {selection.EndOffset.Offset} 长度: {selection.Length}";
         }
+
+        // 添加段落信息
+        if (_currentTextEditor != null)
+        {
+            if (_currentTextEditor.TextEditorCore.TryGetRenderInfo(out var renderInfoProvider))
+            {
+                CaretOffset caretOffset = selection.StartOffset;
+                var caretRenderInfo = renderInfoProvider.GetCaretRenderInfo(caretOffset);
+                
+                caretInfo += $" 第 {caretRenderInfo.ParagraphIndex.Index} 段 {caretRenderInfo.LineIndex} 行，行内第 {caretRenderInfo.HitLineCharOffset.Offset} 个字符";
+            }
+        }
+
+        ViewModel.SetCurrentCaretInfoText(caretInfo);
     }
 
     private TextEditor? _currentTextEditor;