public bool IndentSelection(bool unindent, bool requireLineSelection)
{
TextIter begin, end;
bool hasSelection = buf.GetSelectionBounds(out begin, out end);
if (!hasSelection)
{
if (requireLineSelection)
{
return(false);
}
else
{
begin = end = buf.GetIterAtMark(buf.InsertMark);
}
}
int y0 = begin.Line, y1 = end.Line;
if (requireLineSelection && y0 == y1)
{
return(false);
}
// If last line isn't selected, it's illogical to indent it.
if (end.StartsLine() && hasSelection && y0 != y1)
{
y1--;
}
using (AtomicUndo a = new AtomicUndo(buf)) {
if (unindent)
{
UnIndentLines(y0, y1);
}
else
{
IndentLines(y0, y1);
}
if (hasSelection)
{
SelectLines(y0, y1);
}
}
return(true);
}
internal void DeleteLine()
{
TextIter start = buf.GetIterAtMark(buf.InsertMark);
TextIter end = start;
if (!end.EndsLine())
{
// Delete up to, but not including, the end-of-line marker
end.ForwardToLineEnd();
}
else
{
// Delete the end-of-line marker
end.Offset++;
}
using (AtomicUndo a = new AtomicUndo(buf))
buf.Delete(ref start, ref end);
}
public void StartAtomicUndo()
{
atomic_undo = new AtomicUndo(this);
}
public void StartAtomicUndo ()
{
atomic_undo = new AtomicUndo (this);
}
public bool IndentSelection (bool unindent, bool requireLineSelection)
{
TextIter begin, end;
bool hasSelection = buf.GetSelectionBounds (out begin, out end);
if (!hasSelection) {
if (requireLineSelection)
return false;
else
begin = end = buf.GetIterAtMark (buf.InsertMark);
}
int y0 = begin.Line, y1 = end.Line;
if (requireLineSelection && y0 == y1)
return false;
// If last line isn't selected, it's illogical to indent it.
if (end.StartsLine() && hasSelection && y0 != y1)
y1--;
using (AtomicUndo a = new AtomicUndo (buf)) {
if (unindent)
UnIndentLines (y0, y1);
else
IndentLines (y0, y1);
if (hasSelection)
SelectLines (y0, y1);
}
return true;
}
internal void DeleteLine ()
{
TextIter start = buf.GetIterAtMark (buf.InsertMark);
TextIter end = start;
if (!end.EndsLine ()) {
// Delete up to, but not including, the end-of-line marker
end.ForwardToLineEnd ();
} else {
// Delete the end-of-line marker
end.Offset++;
}
using (AtomicUndo a = new AtomicUndo (buf))
buf.Delete (ref start, ref end);
}
void DeleteLine()
{
//remove the current line
TextIter iter = buf.GetIterAtMark (buf.InsertMark);
iter.LineOffset = 0;
TextIter end_iter = buf.GetIterAtLine (iter.Line);
end_iter.LineOffset = end_iter.CharsInLine;
using (AtomicUndo a = new AtomicUndo (buf))
buf.Delete (ref iter, ref end_iter);
}
public bool UnIndentSelection()
{
TextIter begin, end;
if (! buf.GetSelectionBounds (out begin, out end))
return false;
int y0 = begin.Line, y1 = end.Line;
// If last line isn't selected, it's illogical to indent it.
if (end.StartsLine())
y1--;
if (y0 == y1)
return false;
using (AtomicUndo a = new AtomicUndo (buf)) {
UnIndentLines (y0, y1);
SelectLines (y0, y1);
}
return true;
}