internal static Pos WordLeft(EditorControl ctx, Selection sel)
{
var caret = sel.Caret;
var line = ctx.Buffer.Document.Lines[caret.Line];
if (caret.Col > 0)
{
var seps = ctx.AffinityManager.GetAffinity(caret).GetNonWordSymbols(ctx);
var c = line.CharAt(caret.Col - 1);
var strat = SelectWordCommand.GetStrategy(seps, c);
var pos = SelectWordCommand.FindBoundLeft(seps, line, caret.Col - 1, strat);
if (pos < 0)
{
return(LeftCommand.MoveLeft(ctx, sel));
}
if (Math.Abs(pos - caret.Col) > 1 && pos > 0)
{
pos++;
}
return(new Pos(caret.Line, pos));
}
else
{
return(LeftCommand.MoveLeft(ctx, sel));
}
}
internal override ActionResults Execute(Selection sel, params object[] args)
{
var ln = Document.Lines[sel.Caret.Line];
if (sel.Caret.Col == 0)
{
return(base.Execute(sel));
}
var aff = Ed.AffinityManager.GetAffinity(sel.Caret);
var seps = aff.NonWordSymbols ?? Ed.EditorSettings.NonWordSymbols;
var st = SelectWordCommand.GetStrategy(seps, ln.CharAt(sel.Caret.Col - 1));
var col = SelectWordCommand.FindBoundLeft(seps, ln, sel.Caret.Col - 1, st);
sel.End = new Pos(sel.Caret.Line, col != 0 ? col + 1 : col);
return(base.Execute(sel));
}