internal Caret(TextArea textArea)
{
this.textArea = textArea;
this.textView = textArea.TextView;
position = new TextViewPosition(1, 1, 0);
ime = new ImeSupport(textArea);
caretAdorner = new CaretLayer(textView);
textView.InsertLayer(caretAdorner, KnownLayer.Caret, LayerInsertionPosition.Replace);
textView.VisualLinesChanged += TextView_VisualLinesChanged;
textView.ScrollOffsetChanged += TextView_ScrollOffsetChanged;
}
internal Caret(TextArea textArea)
{
this.textArea = textArea;
this.textView = textArea.TextView;
position = new TextViewPosition(1, 1, 0);
ime = new ImeSupport(textArea);
caretAdorner = new CaretLayer(textView);
textView.InsertLayer(caretAdorner, KnownLayer.Caret, LayerInsertionPosition.Replace);
textView.VisualLinesChanged += TextView_VisualLinesChanged;
textView.ScrollOffsetChanged += TextView_ScrollOffsetChanged;
}
/// <summary>
/// Creates a new TextArea instance.
/// </summary>
protected TextArea(TextView textView)
{
if (textView == null)
throw new ArgumentNullException("textView");
this.textView = textView;
this.Options = textView.Options;
selection = emptySelection = new EmptySelection(this);
textView.Services.AddService(typeof(TextArea), this);
textView.LineTransformers.Add(new SelectionColorizer(this));
textView.InsertLayer(new SelectionLayer(this), KnownLayer.Selection, LayerInsertionPosition.Replace);
caret = new Caret(this);
caret.PositionChanged += (sender, e) => RequestSelectionValidation();
ime = new ImeSupport(this);
leftMargins.CollectionChanged += leftMargins_CollectionChanged;
this.DefaultInputHandler = new TextAreaDefaultInputHandler(this);
this.ActiveInputHandler = this.DefaultInputHandler;
}
