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flowcanvas
Connectable.hpp
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/* This file is part of FlowCanvas.
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* Copyright (C) 2007-2009 David Robillard <http://drobilla.net>
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*
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* FlowCanvas is free software; you can redistribute it and/or modify it under the
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* terms of the GNU General Public License as published by the Free Software
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* Foundation; either version 2 of the License, or (at your option) any later
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* version.
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*
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* FlowCanvas is distributed in the hope that it will be useful, but WITHOUT ANY
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* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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* FOR A PARTICULAR PURPOSE. See the GNU General Public License for details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#ifndef FLOWCANVAS_CONNECTABLE_HPP
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#define FLOWCANVAS_CONNECTABLE_HPP
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#include <list>
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#include <boost/shared_ptr.hpp>
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namespace
FlowCanvas {
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class
Connection;
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class
Connectable
{
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public
:
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virtual
~Connectable
() {}
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virtual
Gnome::Art::Point
src_connection_point
() = 0;
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virtual
Gnome::Art::Point
dst_connection_point
(
const
Gnome::Art::Point& src) = 0;
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virtual
Gnome::Art::Point
connection_point_vector
(
double
dx,
double
dy) = 0;
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virtual
void
add_connection
(boost::shared_ptr<Connection> c);
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virtual
void
remove_connection
(boost::shared_ptr<Connection> c);
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virtual
void
move_connections
();
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virtual
void
raise_connections
();
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bool
is_connected_to
(boost::shared_ptr<Connectable> other);
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typedef
std::list< boost::weak_ptr<Connection> >
Connections
;
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Connections
&
connections
() {
return
_connections
; }
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protected
:
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Connections
_connections
;
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};
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}
// namespace FlowCanvas
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#endif // FLOWCANVAS_CONNECTABLE_HPP
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