It compiles and runs and seems to still work. Still needed is the actual
serialization. Time to merge back to trunk so things can be tested by all.
git-svn-id: svn://localhost/ardour2/branches/undo@754 d708f5d6-7413-0410-9779-e7cbd77b26cf
Memento(Redo|Undo)Command has a noop for the undo or redo respectively, and
we don't need both before and after state. This is primarily useful for
drag start/finish callbacks, and really only makes sense where wrapped by
(begin|commit)_reversible_command (a composite command).
Also a few more "normal" MementoCommands.
git-svn-id: svn://localhost/ardour2/branches/undo@695 d708f5d6-7413-0410-9779-e7cbd77b26cf
All the obvious MementoCommand grunt work. Now there's some
add_undo/add_redo_no_execute sprinkled around where one is separated from the
other (e.g. in different callbacks) or perhaps even where there's only an undo
and no redo. Also some sigc-based undo/redo pairs that probably need their own
Command class.
git-svn-id: svn://localhost/ardour2/branches/undo@692 d708f5d6-7413-0410-9779-e7cbd77b26cf
