예제 #1
0
        private void OnPostTypeChar(char typedCharacter)
        {
            // When language autoformats, like JS, caret may be in a very different
            // place by now. Check if store caret position still makes sense and
            // if not, reacquire it. In contained language scenario
            // current caret position may be beyond projection boundary like when
            // typing at the end of onclick="return foo(".

            if (!MarkdownEditorPackage.Options.EnableTypeThrough)
            {
                return;
            }

            char completionCharacter = GetCompletionCharacter(typedCharacter);

            if (completionCharacter != '\0')
            {
                var viewCaretPosition = _textView.Caret.Position.BufferPosition;
                _processing = true;

                var bufferCaretPosition = GetCaretPositionInBuffer();
                if (bufferCaretPosition.HasValue)
                {
                    _caretPosition = bufferCaretPosition.Value;
                }
                else if (viewCaretPosition.Position == _textView.TextBuffer.CurrentSnapshot.Length)
                {
                    _caretPosition = _textBuffer.CurrentSnapshot.Length;
                }

                if (_caretPosition > 0)
                {
                    if (CanComplete(_textBuffer, _caretPosition - 1))
                    {
                        ProvisionalText.IgnoreChange = true;
                        _textView.TextBuffer.Replace(new Span(viewCaretPosition, 0), completionCharacter.ToString());
                        ProvisionalText.IgnoreChange = false;

                        _textView.Caret.MoveTo(new SnapshotPoint(_textView.TextBuffer.CurrentSnapshot, viewCaretPosition));

                        var provisionalText = new ProvisionalText(_textView, new Span(viewCaretPosition - 1, 2));
                        provisionalText.OnClose += OnCloseProvisionalText;

                        _provisionalTexts.Add(provisionalText);
                    }
                }
            }

            _processing = false;
        }
예제 #2
0
        private ProvisionalText GetInnerProvisionalText()
        {
            int             minLength = Int32.MaxValue;
            ProvisionalText innerText = null;

            foreach (var pt in _provisionalTexts)
            {
                if (pt.CurrentSpan.Length < minLength)
                {
                    minLength = pt.CurrentSpan.Length;
                    innerText = pt;
                }
            }

            return(innerText);
        }