public override void Redo(Gtk.TextBuffer buffer)
{
RemoveSplitTags(buffer);
Gtk.TextIter start_iter = buffer.GetIterAtOffset(start);
Gtk.TextIter end_iter = buffer.GetIterAtOffset(end);
buffer.Delete(ref start_iter, ref end_iter);
buffer.MoveMark(buffer.InsertMark, buffer.GetIterAtOffset(start));
buffer.MoveMark(buffer.SelectionBound, buffer.GetIterAtOffset(start));
}
public override void Undo(Gtk.TextBuffer buffer)
{
int tag_images = GetSplitOffset();
Gtk.TextIter start_iter = buffer.GetIterAtOffset(index - tag_images);
Gtk.TextIter end_iter = buffer.GetIterAtOffset(index - tag_images + chop.Length);
buffer.Delete(ref start_iter, ref end_iter);
buffer.MoveMark(buffer.InsertMark, buffer.GetIterAtOffset(index - tag_images));
buffer.MoveMark(buffer.SelectionBound, buffer.GetIterAtOffset(index - tag_images));
ApplySplitTags(buffer);
}
public override void Undo(Gtk.TextBuffer buffer)
{
// Tag images change the offset by one, but only when deleting.
Gtk.TextIter start_iter = buffer.GetIterAtOffset(Offset);
Gtk.TextIter end_iter = buffer.GetIterAtOffset(Offset + chop.Length + 1);
buffer.Delete(ref start_iter, ref end_iter);
buffer.MoveMark(buffer.InsertMark, buffer.GetIterAtOffset(Offset));
buffer.MoveMark(buffer.SelectionBound, buffer.GetIterAtOffset(Offset));
Tag.WidgetLocation = null;
ApplySplitTags(buffer);
}
public void Erase()
{
Gtk.TextIter start_iter = Start;
Gtk.TextIter end_iter = End;
buffer.Delete(ref start_iter, ref end_iter);
}
