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