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ab1b29bcb2
some macros for MementoCommand() git-svn-id: svn://localhost/ardour2/branches/undo@666 d708f5d6-7413-0410-9779-e7cbd77b26cf
96 lines
3.4 KiB
C++
96 lines
3.4 KiB
C++
/*
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Copyright (C) 2006 Hans Fugal & Paul Davis
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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$Id: /local/undo/libs/pbd3/pbd/undo.h 132 2006-06-29T18:45:16.609763Z fugalh $
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*/
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#ifndef __lib_pbd_memento_command_h__
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#define __lib_pbd_memento_command_h__
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#include <pbd/command.h>
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#include <sigc++/slot.h>
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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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class MementoCommand : public Command
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{
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public:
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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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std::list<Serializable *> args
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)
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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 undo() { obj.set_memento(memento); }
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virtual XMLNode &serialize()
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{
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// obj.id
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// key
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// args
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}
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protected:
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obj_T &obj;
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mem_T memento;
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sigc::slot<void> action;
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std::string key;
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std::list<Serializable*> args;
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};
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#endif // __lib_pbd_memento_h__
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