private static CommandResult CmdClearScreen(ICommandTarget target)
{
TerminalDocument doc = TerminalCommandTarget.AsTerminalDocument(target);
if (doc == null)
{
return(CommandResult.Ignored);
}
TerminalControl tc = TerminalCommandTarget.AsTerminalControl(target);
lock (doc) {
GLine l = doc.TopLine;
int top_id = l.ID;
int limit = l.ID + doc.TerminalHeight;
while (l != null && l.ID < limit)
{
l.Clear();
l = l.NextLine;
}
doc.CurrentLineNumber = top_id;
doc.CaretColumn = 0;
doc.InvalidatedRegion.InvalidatedAll = true;
if (tc != null)
{
tc.ITextSelection.Clear();
tc.Invalidate();
}
}
return(CommandResult.Succeeded);
}
private static CommandResult CmdClearBuffer(ICommandTarget target)
{
TerminalDocument doc = TerminalCommandTarget.AsTerminalDocument(target);
if (doc == null)
{
return(CommandResult.Ignored);
}
ITerminalControlHost session = TerminalCommandTarget.AsTerminal(target);
TerminalControl tc = TerminalCommandTarget.AsTerminalControl(target);
lock (doc) {
doc.Clear();
session.Terminal.AdjustTransientScrollBar();
if (tc != null)
{
tc.ITextSelection.Clear();
tc.Invalidate();
}
}
return(CommandResult.Succeeded);
}
