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/*
* this file was largely taken from the oxygen gtk engine
* Copyright (c) 2010 Hugo Pereira Da Costa <[email protected]>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or(at your option ) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
* MA 02110-1301, USA.
*/
#include "tdegtk-signals.h"
#include "../config.h"
#include <iostream>
#if OXYGEN_DEBUG
static int counter( 0 );
#endif
//____________________________________________________________________
bool Signal::connect( GObject* object, const std::string& signal, GCallback callback, gpointer data, bool after )
{
// make sure that signal is not already connected
assert( _object == 0L && _id == 0 );
// check object
if( !object ) return false;
// first try lookup signal
if( !g_signal_lookup( signal.c_str(), G_OBJECT_TYPE(object) ) )
{
#if OXYGEN_DEBUG
std::cerr << "Oxygen::Signal::connect - signal " << signal << " not installed on widget " << object << std::endl;
#endif
return false;
}
// store attributes and create connection
_object = object;
if(after) _id = g_signal_connect_after( object, signal.c_str(), callback, data );
else _id = g_signal_connect( object, signal.c_str(), callback, data );
#if OXYGEN_DEBUG
++counter;
std::cerr << "Oxygen::Signal::connect - _id: " << _id << " counter: " << counter << std::endl;
#endif
return true;
}
//____________________________________________________________________
void Signal::disconnect( void )
{
// disconnect signal
if( _object && _id > 0 )
{
#if OXYGEN_DEBUG
--counter;
std::cerr << "Oxygen::Signal::disconnect - _id: " << _id << " counter: " << counter << std::endl;
#endif
g_signal_handler_disconnect( _object, _id );
}
// reset members
_object = 0L;
_id = 0;
}
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