public void StartSelect()
{
if (_lineEditor != null)
{
_selectionRange = new VisualSelectionRange(_textLayer, GetCurrentPointInfo(), GetCurrentPointInfo());
}
#if DEBUG
if (dbugEnableTextManRecorder)
{
_dbugActivityRecorder.WriteInfo("TxLMan::StartSelect");
}
#endif
}
public void SetCurrentCharIndex2(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
{
caret_char_index = 0;
_caretXPos = 0;
_rCharOffset = 0;
_rPixelOffset = 0;
_currentTextRun = _currentLine.FirstRun;
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;
// 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
}
