internal static void BreakLines(int iLine, int pos, QText tb)
{
Line newLine = new Line(tb.GenerateUniqueLineId());
for (int i = pos; i < tb[iLine].Count; i++)
newLine.Add(tb[iLine][i]);
tb[iLine].RemoveRange(pos, tb[iLine].Count - pos);
tb.InsertLine(iLine + 1, newLine);
}
internal static void InsertLine(QText tb)
{
if (tb.LinesCount == 0) tb.InsertLine(tb.Selection.Start.iLine + 1, new Line(tb.GenerateUniqueLineId()));
else BreakLines(tb.Selection.Start.iLine, tb.Selection.Start.iChar, tb);
tb.Selection.Start = new Place(0, tb.Selection.Start.iLine + 1);
tb.needRecalc = true;
}