File indexing completed on 2024-05-12 17:05:48

 /*
     this file is part of the oxygen gtk engine
     SPDX-FileCopyrightText: 2010 Hugo Pereira Da Costa <hugo.pereira@free.fr>
     SPDX-FileCopyrightText: 2010 Ruslan Kabatsayev <b7.10110111@gmail.com>
 
     SPDX-License-Identifier: LGPL-2.0-or-later
 */
 
 #include "oxygenhook.h"
 #include "../config.h"
 
 #include <cassert>
 #include <iostream>
 
 namespace Oxygen
 {
 
     #if OXYGEN_DEBUG
     static int counter( 0 );
     #endif
 
     //__________________________________________________________________
     bool Hook::connect( const std::string& signal, GType typeId, GSignalEmissionHook hookFunction, gpointer data )
     {
 #if DISABLE_SIGNAL_HOOKS
         return false;
 #endif
         // make sure that signal is not already connected
         assert( _signalId == 0 && _hookId == 0 );
 
         // check type id
         if( !g_type_class_peek( typeId ) )
         {
 
             #if OXYGEN_DEBUG
             std::cerr << "Oxygen::Hook::connect - typeId " << g_type_name(typeId) << " not yet installed" << std::endl;
             #endif
 
             g_type_class_ref( typeId );
 
         }
 
         // store signal id
         _signalId = g_signal_lookup( signal.c_str(), typeId );
         if( !_signalId )
         {
 
             #if OXYGEN_DEBUG
             std::cerr << "Oxygen::Hook::connect - signal " << signal << " not installed." << std::endl;
             #endif
 
             return false;
 
         }
 
         // store attributes and create connection
         _hookId = g_signal_add_emission_hook(
             _signalId,
             (GQuark)0L,
             hookFunction,
             data, 0L);
 
         #if OXYGEN_DEBUG
         ++counter;
         std::cerr << "Oxygen::Hook::connect - hook: " << _hookId << " counter: " << counter << std::endl;
         #endif
 
         return true;
 
     }
 
     //____________________________________________________________________
     void Hook::disconnect( void )
     {
 #if DISABLE_SIGNAL_HOOKS
         return;
 #endif
 
         // disconnect signal
         if( _signalId > 0 && _hookId > 0 )
         {
 
             #if OXYGEN_DEBUG
             --counter;
             std::cerr << "Oxygen::Hook::disconnect - hook: " << _hookId << " counter: " << counter << std::endl;
             #endif
 
             g_signal_remove_emission_hook( _signalId, _hookId );
 
         }
 
         _signalId = 0;
         _hookId = 0;
 
     }
 
 }