public void FindCurrentHitWord(out int startAt, out int len)
{
if (currentTextRun == null)
{
startAt = 0;
len = 0;
return;
}
//
//we read entire line
//and send to line parser to parse a word
StringBuilder stbuilder = new StringBuilder();
currentLine.CopyLineContent(stbuilder);
string lineContent = stbuilder.ToString();
//find char at
TextBufferSpan textBufferSpan = new TextBufferSpan(lineContent.ToCharArray());
ILineSegmentList segmentList = this.Root.TextServices.BreakToLineSegments(ref textBufferSpan);
if (segmentList != null)
{
int segcount = segmentList.Count;
for (int i = 0; i < segcount; ++i)
{
ILineSegment seg = segmentList[i];
if (seg.StartAt + seg.Length >= caret_char_index)
{
//stop at this segment
startAt = seg.StartAt;
len = seg.Length;
return;
}
}
}
else
{
//TODO: review here
//this is a bug!!!
}
//?
startAt = 0;
len = 0;
}
public static void InnerCopyLineContent(EditableTextLine line, StringBuilder stBuilder)
{
line.CopyLineContent(stBuilder);
}
public void CopyLineContent(StringBuilder stBuilder)
{
currentLine.CopyLineContent(stBuilder);
}