ardour/livetrax
13
0
Fork 0
Code

r183@gandalf: fugalh | 2006-07-17 19:01:39 -0600

Browse Source 
Use XMLNode instead of templating memento types.


git-svn-id: svn://localhost/ardour2/branches/undo@683 d708f5d6-7413-0410-9779-e7cbd77b26cf
This commit is contained in:
Hans Fugal 2006-07-18 17:46:20 +00:00
parent 0bd3b0b670
commit 72168803ee
1 changed files with 9 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
libs/pbd3/pbd/memento_command.h
View File

@ -24,13 +24,17 @@
#include <pbd/command.h>
#include <sigc++/slot.h>
template <class obj_T, class mem_T>
/** This command class is initialized with before and after mementos
* (from Stateful::get_state()), so undo becomes restoring the before
* memento, and redo is restoring the after memento.
*/
template <class obj_T>
class MementoCommand : public Command
{
public:
MementoCommand(obj_T &obj,
mem_T before,
mem_T after
XMLNode &before,
XMLNode &after
)
: obj(obj), before(before), after(after) {}
void operator() () { obj.set_memento(after); }
@ -41,9 +45,10 @@ class MementoCommand : public Command
// key is "MementoCommand" or something
// before and after mementos
}
// TODO does this need a copy constructor?
protected:
obj_T &obj;
mem_T before, after;
XMLNode &before, &after;
};
#endif // __lib_pbd_memento_h__