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author | Carl Hetherington <carl@carlh.net> | 2010-02-09 14:44:24 +0000 |
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committer | Carl Hetherington <carl@carlh.net> | 2010-02-09 14:44:24 +0000 |
commit | 5526aa29359a955eccc91527d8875b85eb298860 (patch) | |
tree | aba024ea4c8c60f65c2003881dda96f65abc4f54 /libs/pbd/pbd/stateful_diff_command.h | |
parent | a5c59175eb561cca6b704d6c50ee20290cc9a210 (diff) |
Add missing files from previous commit.
git-svn-id: svn://localhost/ardour2/branches/3.0@6665 d708f5d6-7413-0410-9779-e7cbd77b26cf
Diffstat (limited to 'libs/pbd/pbd/stateful_diff_command.h')
-rw-r--r-- | libs/pbd/pbd/stateful_diff_command.h | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/libs/pbd/pbd/stateful_diff_command.h b/libs/pbd/pbd/stateful_diff_command.h new file mode 100644 index 0000000000..b02d7a669e --- /dev/null +++ b/libs/pbd/pbd/stateful_diff_command.h @@ -0,0 +1,47 @@ +/* + Copyright (C) 2010 Paul Davis + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + +*/ + +#include "pbd/command.h" + +namespace PBD +{ + +class Stateful; + +/** A Command which stores its action as the differences between the before and after + * state of a Stateful object. + */ +class StatefulDiffCommand : public Command +{ +public: + StatefulDiffCommand (Stateful* s); + ~StatefulDiffCommand (); + + void operator() (); + void undo (); + + XMLNode& get_state (); + +private: + Stateful* _object; ///< the object in question + XMLNode* _before; ///< XML node containing the previous values of XML properties which changed + XMLNode* _after; ///< XML node containing the new values of XML properties which changed +}; + +}; |