Text not displayed in code completion window when AvalonEdit used from c# code #433

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opened 2024-11-02 07:43:30 -05:00 by ankyo · 0 comments

ankyo commented

2024-11-02 07:43:30 -05:00

(Migrated from github.com)

public class VariableCompletionData : ICompletionData
{
  public IImage? Image => null;

  public string Text { get; }

  // Use this property if you want to show a fancy UIElement in the list.
  public object Content => Text;

  public object Description => "Description for " + Text;

  public double Priority { get; } = 0;

  public VariableCompletionData(string text)
  {
    Text = text;
  }

  public void Complete(TextArea textArea, ISegment completionSegment, EventArgs insertionRequestEventArgs)
  {
    textArea.Document.Replace(completionSegment, Text);
  }
}

private void TextArea_TextEntering(object? sender, TextInputEventArgs e)
{
  if (e.Text?.Length > 0 && _completionWindow != null)
  {
    if (!char.IsLetterOrDigit(e.Text[0]))
    {
      // Whenever a non-letter is typed while the completion window is open,
      // insert the currently selected element.
      _completionWindow.CompletionList.RequestInsertion(e);
    }
  }
}

private void TextArea_TextEntered(object? sender, TextInputEventArgs e)
{
  if (e.Text == ".")
  {
    _completionWindow = new CompletionWindow(Editor.TextArea);
    _completionWindow.Closed += (o, args) => _completionWindow = null;

    var data = _completionWindow.CompletionList.CompletionData;

    data.Add(new VariableCompletionData("Item1"));
    data.Add(new VariableCompletionData("Item2"));
    data.Add(new VariableCompletionData("Item3"));
    data.Add(new VariableCompletionData("Item4"));
    data.Add(new VariableCompletionData("Item5"));
    data.Add(new VariableCompletionData("Item6"));
    data.Add(new VariableCompletionData("Item7"));
    data.Add(new VariableCompletionData("Item8"));
    data.Add(new VariableCompletionData("Item9"));
    data.Add(new VariableCompletionData("Item10"));
    data.Add(new VariableCompletionData("Item11"));
    data.Add(new VariableCompletionData("Item12"));
    data.Add(new VariableCompletionData("Item13"));

    _completionWindow.Show();
  }
}

![20241102203136](https://github.com/user-attachments/assets/e223cf4b-92c4-4cc1-9fa6-be8dba709753) ```cs public class VariableCompletionData : ICompletionData { public IImage? Image => null; public string Text { get; } // Use this property if you want to show a fancy UIElement in the list. public object Content => Text; public object Description => "Description for " + Text; public double Priority { get; } = 0; public VariableCompletionData(string text) { Text = text; } public void Complete(TextArea textArea, ISegment completionSegment, EventArgs insertionRequestEventArgs) { textArea.Document.Replace(completionSegment, Text); } } ``` ```cs private void TextArea_TextEntering(object? sender, TextInputEventArgs e) { if (e.Text?.Length > 0 && _completionWindow != null) { if (!char.IsLetterOrDigit(e.Text[0])) { // Whenever a non-letter is typed while the completion window is open, // insert the currently selected element. _completionWindow.CompletionList.RequestInsertion(e); } } } private void TextArea_TextEntered(object? sender, TextInputEventArgs e) { if (e.Text == ".") { _completionWindow = new CompletionWindow(Editor.TextArea); _completionWindow.Closed += (o, args) => _completionWindow = null; var data = _completionWindow.CompletionList.CompletionData; data.Add(new VariableCompletionData("Item1")); data.Add(new VariableCompletionData("Item2")); data.Add(new VariableCompletionData("Item3")); data.Add(new VariableCompletionData("Item4")); data.Add(new VariableCompletionData("Item5")); data.Add(new VariableCompletionData("Item6")); data.Add(new VariableCompletionData("Item7")); data.Add(new VariableCompletionData("Item8")); data.Add(new VariableCompletionData("Item9")); data.Add(new VariableCompletionData("Item10")); data.Add(new VariableCompletionData("Item11")); data.Add(new VariableCompletionData("Item12")); data.Add(new VariableCompletionData("Item13")); _completionWindow.Show(); } } ```

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gh-icsharpcode/AvalonEdit#433

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