File indexing completed on 2024-05-19 04:36:23

 /* This file is part of the TikZKit project.
  *
  * Copyright (C) 2015 Dominik Haumann <dhaumann@kde.org>
  *
  * This library is free software; you can redistribute it and/or modify
  * it under the terms of the GNU Library 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 Library General Public License for more details.
  *
  * You should have received a copy of the GNU Library General Public License
  * along with this library; see the file COPYING.LIB.  If not, see
  * <http://www.gnu.org/licenses/>.
  */
 
 #include "ConfigObject.h"
 
 namespace tikz {
 namespace core {
 
 ConfigObject::ConfigObject(QObject * parent)
     : QObject(parent)
 {
 }
 
 ConfigObject::~ConfigObject()
 {
 }
 
 void ConfigObject::beginConfig()
 {
     Q_ASSERT(m_refCounter >= 0);
     ++m_refCounter;
 }
 
 void ConfigObject::endConfig()
 {
     Q_ASSERT(m_refCounter > 0);
 
     --m_refCounter;
     if (m_refCounter == 0) {
         Q_EMIT changed();
     }
 }
 
 bool ConfigObject::configActive() const
 {
     return m_refCounter > 0;
 }
 
 void ConfigObject::emitChangedIfNeeded()
 {
     if (! configActive()) {
         Q_EMIT changed();
     }
 }
 
 ConfigTransaction::ConfigTransaction(ConfigObject * configObject)
     : m_configObject(configObject)
 {
     Q_ASSERT(configObject);
 
     m_configObject->beginConfig();
 }
 
 ConfigTransaction::~ConfigTransaction()
 {
     endConfig();
 }
 
 void ConfigTransaction::endConfig()
 {
     if (m_configObject) {
         m_configObject->endConfig();
         m_configObject = nullptr;
     }
 }
 
 }
 }
 
 // kate: indent-width 4; replace-tabs on;