File indexing completed on 2024-05-19 15:09:22

 /*
     SPDX-FileCopyrightText: 2020 Kevin Ottens <kevin.ottens@enioka.com>
     SPDX-FileCopyrightText: 2020 Cyril Rossi <cyril.rossi@enioka.com>
 
     SPDX-License-Identifier: LGPL-2.0-or-later
 */
 
 #include "settingstateproxy.h"
 
 #include <QDebug>
 #include <QMetaMethod>
 
 KCoreConfigSkeleton *SettingStateProxy::configObject() const
 {
     return m_configObject;
 }
 
 void SettingStateProxy::setConfigObject(KCoreConfigSkeleton *configObject)
 {
     if (m_configObject == configObject) {
         return;
     }
 
     if (m_configObject) {
         m_configObject->disconnect(this);
     }
 
     m_configObject = configObject;
     Q_EMIT configObjectChanged();
     updateState();
     connectSetting();
 }
 
 QString SettingStateProxy::settingName() const
 {
     return m_settingName;
 }
 
 void SettingStateProxy::setSettingName(const QString &settingName)
 {
     if (m_settingName == settingName) {
         return;
     }
 
     if (m_configObject) {
         m_configObject->disconnect(this);
     }
 
     m_settingName = settingName;
     Q_EMIT settingNameChanged();
     updateState();
     connectSetting();
 }
 
 bool SettingStateProxy::isImmutable() const
 {
     return m_immutable;
 }
 
 bool SettingStateProxy::isDefaulted() const
 {
     return m_defaulted;
 }
 
 void SettingStateProxy::updateState()
 {
     const auto item = m_configObject ? m_configObject->findItem(m_settingName) : nullptr;
     const auto immutable = item ? item->isImmutable() : false;
     const auto defaulted = item ? item->isDefault() : true;
 
     if (m_immutable != immutable) {
         m_immutable = immutable;
         Q_EMIT immutableChanged();
     }
 
     if (m_defaulted != defaulted) {
         m_defaulted = defaulted;
         Q_EMIT defaultedChanged();
     }
 }
 
 void SettingStateProxy::connectSetting()
 {
     const auto item = m_configObject ? m_configObject->findItem(m_settingName) : nullptr;
     if (!item) {
         return;
     }
 
     const auto updateStateSlotIndex = metaObject()->indexOfMethod("updateState()");
     Q_ASSERT(updateStateSlotIndex >= 0);
     const auto updateStateSlot = metaObject()->method(updateStateSlotIndex);
     Q_ASSERT(updateStateSlot.isValid());
 
     const auto itemHasSignals = dynamic_cast<KConfigCompilerSignallingItem *>(item) || dynamic_cast<KPropertySkeletonItem *>(item);
     if (!itemHasSignals) {
         qWarning() << "Attempting to use SettingStateProxy with a non signalling item:" << m_settingName;
         return;
     }
 
     const auto propertyName = [this] {
         auto name = m_settingName;
         if (name.at(0).isUpper()) {
             name[0] = name[0].toLower();
         }
         return name.toUtf8();
     }();
 
     const auto metaObject = m_configObject->metaObject();
     const auto propertyIndex = metaObject->indexOfProperty(propertyName.constData());
     Q_ASSERT(propertyIndex >= 0);
     const auto property = metaObject->property(propertyIndex);
     Q_ASSERT(property.isValid());
     if (!property.hasNotifySignal()) {
         qWarning() << "Attempting to use SettingStateProxy with a non notifying property:" << propertyName;
         return;
     }
 
     const auto changedSignal = property.notifySignal();
     Q_ASSERT(changedSignal.isValid());
     connect(m_configObject, changedSignal, this, updateStateSlot);
     connect(m_configObject, &KCoreConfigSkeleton::configChanged, this, &SettingStateProxy::updateState);
 }
 
 #include "moc_settingstateproxy.cpp"