Ejemplo n.º 1
0
        public void AddCharToCurrentLine(char c)
        {
            updateJustCurrentLine = true;
            bool passRemoveSelectedText = false;

#if DEBUG
            if (dbugEnableTextManRecorder)
            {
                _dbugActivityRecorder.WriteInfo("TxLMan::AddCharToCurrentLine " + c);
                _dbugActivityRecorder.BeginContext();
            }
#endif
            if (SelectionRange != null)
            {
#if DEBUG
                if (dbugEnableTextManRecorder)
                {
                    _dbugActivityRecorder.WriteInfo(SelectionRange);
                }
#endif
                RemoveSelectedText();
                passRemoveSelectedText = true;
            }
            if (passRemoveSelectedText && c == ' ')
            {
            }
            else
            {
                commandHistory.AddDocAction(
                    new DocActionCharTyping(c, textLineWriter.LineNumber, textLineWriter.ProperCharIndex));
            }

            textLineWriter.AddCharacter(c);
#if DEBUG
            if (dbugEnableTextManRecorder)
            {
                _dbugActivityRecorder.EndContext();
            }
#endif
        }
Ejemplo n.º 2
0
        public void SetCurrentCharIndex(int newCharIndexPointTo)
        {
#if DEBUG
            if (dbugTextManRecorder != null)
            {
                dbugTextManRecorder.WriteInfo("TextLineReader::CharIndex_set=" + newCharIndexPointTo);
                dbugTextManRecorder.BeginContext();
            }
#endif
            if (newCharIndexPointTo < 0 || newCharIndexPointTo > currentLine.CharCount)
            {
                throw new NotSupportedException("index out of range");
            }


            if (newCharIndexPointTo == 0)
            {
                caret_char_index = 0;
                caretXPos        = 0;
                rCharOffset      = 0;
                rPixelOffset     = 0;
                currentTextRun   = currentLine.FirstRun;
            }
            else
            {
                int diff = newCharIndexPointTo - caret_char_index;
                switch (diff)
                {
                case 0:
                {
                    return;
                }

                default:
                {
                    if (diff > 0)
                    {
                        do
                        {
                            if (rCharOffset + currentTextRun.CharacterCount > newCharIndexPointTo)
                            {
                                caret_char_index = newCharIndexPointTo;
                                caretXPos        = rPixelOffset + currentTextRun.GetRunWidth(caret_char_index - rCharOffset);
#if DEBUG
                                if (dbugTextManRecorder != null)
                                {
                                    dbugTextManRecorder.EndContext();
                                }
#endif

                                return;
                            }
                        } while (MoveToNextTextRun());
                        caret_char_index = rCharOffset + currentTextRun.CharacterCount;
                        caretXPos        = rPixelOffset + currentTextRun.Width;
                        return;
                    }
                    else
                    {
                        do
                        {
                            if (rCharOffset - 1 < newCharIndexPointTo)
                            {
                                caret_char_index = newCharIndexPointTo;
                                caretXPos        = rPixelOffset + currentTextRun.GetRunWidth(caret_char_index - rCharOffset);
#if DEBUG
                                if (dbugTextManRecorder != null)
                                {
                                    dbugTextManRecorder.EndContext();
                                }
#endif
                                return;
                            }
                        } while (MoveToPreviousTextRun());
                        caret_char_index = 0;
                        caretXPos        = 0;
                    }
                }
                break;
                }
            }
#if DEBUG
            if (dbugTextManRecorder != null)
            {
                dbugTextManRecorder.EndContext();
            }
#endif
        }