You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
101 lines
2.8 KiB
101 lines
2.8 KiB
/*
|
|
* this file was largely taken from the oxygen gtk engine
|
|
* Copyright (c) 2010 Hugo Pereira Da Costa <hugo@oxygen-icons.org>
|
|
* Copyright (c) 2010 Ruslan Kabatsayev <b7.10110111@gmail.com>
|
|
*
|
|
* 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-hooks.h"
|
|
#include "../config.h"
|
|
|
|
#include <cassert>
|
|
#include <iostream>
|
|
|
|
#if TDEGTK_DEBUG
|
|
static int counter( 0 );
|
|
#endif
|
|
|
|
//__________________________________________________________________
|
|
bool Hook::connect( const std::string& signal, GType typeId, GSignalEmissionHook hookFunction, gpointer data )
|
|
{
|
|
// make sure that signal is not already connected
|
|
assert( _signalId == 0 && _hookId == 0 );
|
|
|
|
// check type id
|
|
if( !g_type_class_peek( typeId ) )
|
|
{
|
|
|
|
#if TDEGTK_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 TDEGTK_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 TDEGTK_DEBUG
|
|
++counter;
|
|
std::cerr << "Oxygen::Hook::connect - hook: " << _hookId << " counter: " << counter << std::endl;
|
|
#endif
|
|
|
|
return true;
|
|
|
|
}
|
|
|
|
//____________________________________________________________________
|
|
void Hook::disconnect( void )
|
|
{
|
|
|
|
// disconnect signal
|
|
if( _signalId > 0 && _hookId > 0 )
|
|
{
|
|
|
|
#if TDEGTK_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;
|
|
|
|
}
|
|
|