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r162@gandalf: fugalh | 2006-06-30 19:30:58 -0600

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some macros for MementoCommand()


git-svn-id: svn://localhost/ardour2/branches/undo@666 d708f5d6-7413-0410-9779-e7cbd77b26cf
This commit is contained in:
Hans Fugal 2006-07-06 18:25:58 +00:00
parent a5386f8d59
commit ab1b29bcb2
1 changed files with 43 additions and 1 deletions
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44
libs/pbd3/pbd/memento_command.h
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@ -24,7 +24,28 @@
#include <pbd/command.h>
#include <sigc++/slot.h>
// TODO: make a macro to make constructing this even easier
#define MEMENTO_COMMAND(obj_T, mem_T, obj, meth) \
(MementoCommand<(obj_T),(mem_T)>((obj),sigc::mem_fun((obj),&(meth)),#meth))
#define MEMENTO_COMMAND_1(obj_T, mem_T, obj, meth, arg1) \
(MementoCommand<(obj_T),(mem_T)>((obj),\
sigc::bind(sigc::mem_fun((obj),\
&(meth)),\
arg1),#meth))
#define MEMENTO_COMMAND_2(obj_T, mem_T, obj, meth, arg1, arg2) \
(MementoCommand<(obj_T),(mem_T)>((obj),\
sigc::bind(sigc::mem_fun((obj),\
&(meth)),\
arg1, arg2),#meth))
#define MEMENTO_COMMAND_3(obj_T, mem_T, obj, meth, arg1, arg2, arg3) \
(MementoCommand<(obj_T),(mem_T)>((obj),\
sigc::bind(sigc::mem_fun((obj),\
&(meth)),\
arg1, arg2, arg3),#meth))
template <class obj_T, class mem_T>
class MementoCommand : public Command
{
@ -35,6 +56,27 @@ class MementoCommand : public Command
std::list<Serializable *> args
)
: obj(obj), action(action), key(key), args(args), memento(obj.get_memento()) {}
MementoCommand(obj_T obj,
sigc::slot<void> action,
std::string key
Serializable *arg1 = 0,
Serializable *arg2 = 0,
Serializable *arg3 = 0
)
: obj(obj), action(action), key(key), memento(obj.get_memento())
{
if (arg1 == 0)
return;
args.push_back(arg1);
if (arg2 == 0)
return;
args.push_back(arg2);
if (arg3 == 0)
return;
args.push_back(arg3);
}
void operator() () { action(); }
void undo() { obj.set_memento(memento); }
virtual XMLNode &serialize()