예제 #1
0
        internal static void ClearSelected(TextSource ts)
        {
            var tb = ts.CurrentTB;

            Place start    = tb.Selection.Start;
            Place end      = tb.Selection.End;
            int   fromLine = Math.Min(end.iLine, start.iLine);
            int   toLine   = Math.Max(end.iLine, start.iLine);
            int   fromChar = tb.Selection.FromX;
            int   toChar   = tb.Selection.ToX;

            if (fromLine < 0)
            {
                return;
            }
            //
            if (fromLine == toLine)
            {
                ts[fromLine].RemoveRange(fromChar, toChar - fromChar);
            }
            else
            {
                ts[fromLine].RemoveRange(fromChar, ts[fromLine].Count - fromChar);
                ts[toLine].RemoveRange(0, toChar);
                ts.RemoveLine(fromLine + 1, toLine - fromLine - 1);
                InsertCharCommand.MergeLines(fromLine, ts);
            }
            //
            tb.Selection.Start = new Place(fromChar, fromLine);
            //
            ts.NeedRecalc(new TextSource.TextChangedEventArgs(fromLine, toLine));
        }