r162@gandalf: fugalh | 2006-06-30 19:30:58 -0600
some macros for MementoCommand() git-svn-id: svn://localhost/ardour2/branches/undo@666 d708f5d6-7413-0410-9779-e7cbd77b26cf
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@ -24,7 +24,28 @@
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#include <pbd/command.h>
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#include <pbd/command.h>
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#include <sigc++/slot.h>
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#include <sigc++/slot.h>
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// TODO: make a macro to make constructing this even easier
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#define MEMENTO_COMMAND(obj_T, mem_T, obj, meth) \
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(MementoCommand<(obj_T),(mem_T)>((obj),sigc::mem_fun((obj),&(meth)),#meth))
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#define MEMENTO_COMMAND_1(obj_T, mem_T, obj, meth, arg1) \
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(MementoCommand<(obj_T),(mem_T)>((obj),\
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sigc::bind(sigc::mem_fun((obj),\
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&(meth)),\
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arg1),#meth))
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#define MEMENTO_COMMAND_2(obj_T, mem_T, obj, meth, arg1, arg2) \
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(MementoCommand<(obj_T),(mem_T)>((obj),\
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sigc::bind(sigc::mem_fun((obj),\
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&(meth)),\
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arg1, arg2),#meth))
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#define MEMENTO_COMMAND_3(obj_T, mem_T, obj, meth, arg1, arg2, arg3) \
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(MementoCommand<(obj_T),(mem_T)>((obj),\
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sigc::bind(sigc::mem_fun((obj),\
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&(meth)),\
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arg1, arg2, arg3),#meth))
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template <class obj_T, class mem_T>
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template <class obj_T, class mem_T>
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class MementoCommand : public Command
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class MementoCommand : public Command
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{
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{
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@ -35,6 +56,27 @@ class MementoCommand : public Command
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std::list<Serializable *> args
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std::list<Serializable *> args
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)
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)
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: obj(obj), action(action), key(key), args(args), memento(obj.get_memento()) {}
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: obj(obj), action(action), key(key), args(args), memento(obj.get_memento()) {}
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MementoCommand(obj_T obj,
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sigc::slot<void> action,
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std::string key
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Serializable *arg1 = 0,
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Serializable *arg2 = 0,
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Serializable *arg3 = 0
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)
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: obj(obj), action(action), key(key), memento(obj.get_memento())
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{
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if (arg1 == 0)
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return;
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args.push_back(arg1);
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if (arg2 == 0)
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return;
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args.push_back(arg2);
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if (arg3 == 0)
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return;
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args.push_back(arg3);
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}
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void operator() () { action(); }
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void operator() () { action(); }
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void undo() { obj.set_memento(memento); }
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void undo() { obj.set_memento(memento); }
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virtual XMLNode &serialize()
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virtual XMLNode &serialize()
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