Clementine-audio-player-Mac.../src/core/signalchecker.h

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/* This file is part of Clementine.
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Copyright 2012, 2014, John Maguire <john.maguire@gmail.com>
Copyright 2014, Krzysztof Sobiecki <sobkas@gmail.com>
Clementine is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
Clementine is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Clementine. If not, see <http://www.gnu.org/licenses/>.
*/
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#ifndef CORE_SIGNALCHECKER_H_
#define CORE_SIGNALCHECKER_H_
#include <glib-object.h>
#include <boost/function_types/function_arity.hpp>
#include <boost/typeof/typeof.hpp>
// Do not call this directly, use CHECKED_GCONNECT instead.
bool CheckedGConnect(gpointer source, const char* signal, GCallback callback,
gpointer data, const int callback_param_count);
#define FUNCTION_ARITY(callback) \
boost::function_types::function_arity<BOOST_TYPEOF(callback)>::value
#define CHECKED_GCONNECT(source, signal, callback, data) \
CheckedGConnect(source, signal, G_CALLBACK(callback), data, \
FUNCTION_ARITY(callback));
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#endif // CORE_SIGNALCHECKER_H_