internal static void BreakLines(int iLine, int pos, TextSource ts)
{
var newLine = ts.CreateLine();
for (var i = pos; i < ts[iLine].Count; i++)
{
newLine.Add(ts[iLine][i]);
}
ts[iLine].RemoveRange(pos, ts[iLine].Count - pos);
ts.InsertLine(iLine + 1, newLine);
}
internal static void InsertLine(TextSource ts)
{
var tb = ts.CurrentTextBox;
if (!tb.Multiline && tb.LinesCount > 0)
{
return;
}
if (ts.Count == 0)
{
ts.InsertLine(0, ts.CreateLine());
}
else
{
BreakLines(tb.Selection.Start.Line, tb.Selection.Start.Char, ts);
}
tb.Selection.Start = new Place(0, tb.Selection.Start.Line + 1);
ts.NeedRecalc(new TextSource.TextChangedEventArgs(0, 1));
}
internal static void InsertLine(TextSource ts)
{
var tb = ts.CurrentTB;
if (!tb.Multiline && tb.LinesCount > 0)
return;
if (ts.Count == 0)
ts.InsertLine(0, ts.CreateLine());
else
BreakLines(tb.Selection.Start.iLine, tb.Selection.Start.iChar, ts);
tb.Selection.Start = new Place(0, tb.Selection.Start.iLine + 1);
ts.NeedRecalc(new TextSource.TextChangedEventArgs(0, 1));
}
internal static void BreakLines(int iLine, int pos, TextSource ts)
{
Line newLine = ts.CreateLine();
for(int i=pos;i<ts[iLine].Count;i++)
newLine.Add(ts[iLine][i]);
ts[iLine].RemoveRange(pos, ts[iLine].Count - pos);
//
ts.InsertLine(iLine+1, newLine);
}
/// <summary>
/// Chop an existing line into two lines.
/// This means that this method is also called when pressing enter on the start of a line.
/// </summary>
/// <param name="iLine"></param>
/// <param name="pos"></param>
/// <param name="ts"></param>
internal static void BreakLines(int iLine, int pos, TextSource ts)
{
Line newLine = ts.CreateLine();
EolFormat format = EolFormat.None;
if (iLine < ts.Count - 1)
{
// breaking in the middle of an existing line
format = ts[iLine].EolFormat;
}
newLine.EolFormat = format;
for (int i = pos; i < ts[iLine].Count; i++)
newLine.Add(ts[iLine][i]);
ts[iLine].RemoveRange(pos, ts[iLine].Count - pos);
//
ts.InsertLine(iLine + 1, newLine);
}