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Move settings lib into the main code, fixing error logging in it.

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This commit is contained in:
Petr Mrázek
2014-07-01 01:48:09 +02:00
parent 8b86306d48
commit 18a342ef14
33 changed files with 80 additions and 175 deletions
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41
depends/settings/CMakeLists.txt
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@ -1,41 +0,0 @@
project(libSettings)
# Find Qt
find_package(Qt5Core REQUIRED)
# Include Qt headers.
include_directories(${Qt5Base_INCLUDE_DIRS})
include(UseCXX11)
include(Coverage)
set(LIBSETTINGS_SOURCES
libsettings_config.h
inifile.h
inifile.cpp
settingsobject.h
settingsobject.cpp
inisettingsobject.h
inisettingsobject.cpp
setting.h
setting.cpp
overridesetting.h
overridesetting.cpp
)
# Set the include dir path.
set(LIBSETTINGS_INCLUDE_DIR "${CMAKE_CURRENT_SOURCE_DIR}" PARENT_SCOPE)
# Static link!
add_definitions(-DLIBSETTINGS_STATIC)
add_definitions(-DLIBSETTINGS_LIBRARY)
set(CMAKE_POSITION_INDEPENDENT_CODE ON)
add_library(libSettings STATIC ${LIBSETTINGS_SOURCES})
qt5_use_modules(libSettings Core)
target_link_libraries(libSettings)

138
depends/settings/inifile.cpp
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/* Copyright 2013 MultiMC Contributors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "inifile.h"
#include <QFile>
#include <QTextStream>
#include <QStringList>
INIFile::INIFile()
{
}
QString INIFile::unescape(QString orig)
{
QString out;
QChar prev = 0;
for(auto c: orig)
{
if(prev == '\\')
{
if(c == 'n')
out += '\n';
else if (c == 't')
out += '\t';
else
out += c;
prev = 0;
}
else
{
if(c == '\\')
{
prev = c;
continue;
}
out += c;
prev = 0;
}
}
return out;
}
QString INIFile::escape(QString orig)
{
QString out;
for(auto c: orig)
{
if(c == '\n')
out += "\\n";
else if (c == '\t')
out += "\\t";
else if(c == '\\')
out += "\\\\";
else
out += c;
}
return out;
}
bool INIFile::saveFile(QString fileName)
{
// TODO Handle errors.
QFile file(fileName);
file.open(QIODevice::WriteOnly);
QTextStream out(&file);
out.setCodec("UTF-8");
for (Iterator iter = begin(); iter != end(); iter++)
{
QString value = iter.value().toString();
value = escape(value);
out << iter.key() << "=" << value << "\n";
}
return true;
}
bool INIFile::loadFile(QString fileName)
{
QFile file(fileName);
if (!file.open(QIODevice::ReadOnly))
return false;
bool success = loadFile(file.readAll());
file.close();
return success;
}
bool INIFile::loadFile(QByteArray file)
{
QTextStream in(file);
in.setCodec("UTF-8");
QStringList lines = in.readAll().split('\n');
for (int i = 0; i < lines.count(); i++)
{
QString &lineRaw = lines[i];
// Ignore comments.
QString line = lineRaw.left(lineRaw.indexOf('#')).trimmed();
int eqPos = line.indexOf('=');
if (eqPos == -1)
continue;
QString key = line.left(eqPos).trimmed();
QString valueStr = line.right(line.length() - eqPos - 1).trimmed();
valueStr = unescape(valueStr);
QVariant value(valueStr);
this->operator[](key) = value;
}
return true;
}
QVariant INIFile::get(QString key, QVariant def) const
{
if (!this->contains(key))
return def;
else
return this->operator[](key);
}
void INIFile::set(QString key, QVariant val)
{
this->operator[](key) = val;
}

38
depends/settings/inifile.h
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@ -1,38 +0,0 @@
/* Copyright 2013 MultiMC Contributors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#pragma once
#include <QString>
#include <QVariant>
#include <QIODevice>
#include "libsettings_config.h"
// Sectionless INI parser (for instance config files)
class LIBSETTINGS_EXPORT INIFile : public QMap<QString, QVariant>
{
public:
explicit INIFile();
bool loadFile(QByteArray file);
bool loadFile(QString fileName);
bool saveFile(QString fileName);
QVariant get(QString key, QVariant def) const;
void set(QString key, QVariant val);
static QString unescape(QString orig);
static QString escape(QString orig);
};

81
depends/settings/inisettingsobject.cpp
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/* Copyright 2013 MultiMC Contributors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "inisettingsobject.h"
#include "setting.h"
INISettingsObject::INISettingsObject(const QString &path, QObject *parent)
: SettingsObject(parent)
{
m_filePath = path;
m_ini.loadFile(path);
}
void INISettingsObject::setFilePath(const QString &filePath)
{
m_filePath = filePath;
}
bool INISettingsObject::reload()
{
return m_ini.loadFile(m_filePath) && SettingsObject::reload();
}
void INISettingsObject::changeSetting(const Setting &setting, QVariant value)
{
if (contains(setting.id()))
{
// valid value -> set the main config, remove all the sysnonyms
if (value.isValid())
{
auto list = setting.configKeys();
m_ini.set(list.takeFirst(), value);
for(auto iter: list)
m_ini.remove(iter);
}
// invalid -> remove all (just like resetSetting)
else
{
for(auto iter: setting.configKeys())
m_ini.remove(iter);
}
m_ini.saveFile(m_filePath);
}
}
void INISettingsObject::resetSetting(const Setting &setting)
{
// if we have the setting, remove all the synonyms. ALL OF THEM
if (contains(setting.id()))
{
for(auto iter: setting.configKeys())
m_ini.remove(iter);
m_ini.saveFile(m_filePath);
}
}
QVariant INISettingsObject::retrieveValue(const Setting &setting)
{
// if we have the setting, return value of the first matching synonym
if (contains(setting.id()))
{
for(auto iter: setting.configKeys())
{
if(m_ini.contains(iter))
return m_ini[iter];
}
}
return QVariant();
}

63
depends/settings/inisettingsobject.h
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/* Copyright 2013 MultiMC Contributors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#pragma once
#include <QObject>
#include "inifile.h"
#include "settingsobject.h"
#include "libsettings_config.h"
/*!
* \brief A settings object that stores its settings in an INIFile.
*/
class LIBSETTINGS_EXPORT INISettingsObject : public SettingsObject
{
Q_OBJECT
public:
explicit INISettingsObject(const QString &path, QObject *parent = 0);
/*!
* \brief Gets the path to the INI file.
* \return The path to the INI file.
*/
virtual QString filePath() const
{
return m_filePath;
}
/*!
* \brief Sets the path to the INI file and reloads it.
* \param filePath The INI file's new path.
*/
virtual void setFilePath(const QString &filePath);
bool reload() override;
protected
slots:
virtual void changeSetting(const Setting &setting, QVariant value);
virtual void resetSetting(const Setting &setting);
protected:
virtual QVariant retrieveValue(const Setting &setting);
INIFile m_ini;
QString m_filePath;
};

29
depends/settings/libsettings_config.h
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/* Copyright 2013 MultiMC Contributors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#pragma once
#include <QtCore/QtGlobal>
#ifdef LIBSETTINGS_STATIC
#define LIBSETTINGS_EXPORT
#else
#ifdef LIBSETTINGS_LIBRARY
#define LIBSETTINGS_EXPORT Q_DECL_EXPORT
#else
#define LIBSETTINGS_EXPORT Q_DECL_IMPORT
#endif
#endif

30
depends/settings/overridesetting.cpp
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/* Copyright 2013 MultiMC Contributors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "overridesetting.h"
OverrideSetting::OverrideSetting(std::shared_ptr<Setting> other)
: Setting(other->configKeys(), QVariant())
{
m_other = other;
}
QVariant OverrideSetting::defValue() const
{
if (m_other)
return m_other->get();
else
return QVariant();
}

41
depends/settings/overridesetting.h
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/* Copyright 2013 MultiMC Contributors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#pragma once
#include <QObject>
#include <memory>
#include "setting.h"
#include "libsettings_config.h"
/*!
* \brief A setting that 'overrides another.'
* This means that the setting's default value will be the value of another setting.
* The other setting can be (and usually is) a part of a different SettingsObject
* than this one.
*/
class LIBSETTINGS_EXPORT OverrideSetting : public Setting
{
Q_OBJECT
public:
explicit OverrideSetting(std::shared_ptr<Setting> other);
virtual QVariant defValue() const;
protected:
std::shared_ptr<Setting> m_other;
};

53
depends/settings/setting.cpp
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/* Copyright 2013 MultiMC Contributors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "setting.h"
#include "settingsobject.h"
Setting::Setting(QStringList synonyms, QVariant defVal)
: QObject(), m_synonyms(synonyms), m_defVal(defVal)
{
}
QVariant Setting::get() const
{
SettingsObject *sbase = m_storage;
if (!sbase)
{
return defValue();
}
else
{
QVariant test = sbase->retrieveValue(*this);
if (!test.isValid())
return defValue();
return test;
}
}
QVariant Setting::defValue() const
{
return m_defVal;
}
void Setting::set(QVariant value)
{
emit settingChanged(*this, value);
}
void Setting::reset()
{
emit settingReset(*this);
}

119
depends/settings/setting.h
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/* Copyright 2013 MultiMC Contributors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#pragma once
#include <QObject>
#include <QVariant>
#include <QStringList>
#include <memory>
#include "libsettings_config.h"
class SettingsObject;
/*!
*
*/
class LIBSETTINGS_EXPORT Setting : public QObject
{
Q_OBJECT
public:
/**
* Construct a Setting
*
* Synonyms are all the possible names used in the settings object, in order of preference.
* First synonym is the ID, which identifies the setting in MultiMC.
*
* defVal is the default value that will be returned when the settings object
* doesn't have any value for this setting.
*/
explicit Setting(QStringList synonyms, QVariant defVal = QVariant());
/*!
* \brief Gets this setting's ID.
* This is used to refer to the setting within the application.
* \warning Changing the ID while the setting is registered with a SettingsObject results in
* undefined behavior.
* \return The ID of the setting.
*/
virtual QString id() const
{
return m_synonyms.first();
}
/*!
* \brief Gets this setting's config file key.
* This is used to store the setting's value in the config file. It is usually
* the same as the setting's ID, but it can be different.
* \return The setting's config file key.
*/
virtual QStringList configKeys() const
{
return m_synonyms;
}
/*!
* \brief Gets this setting's value as a QVariant.
* This is done by calling the SettingsObject's retrieveValue() function.
* If this Setting doesn't have a SettingsObject, this returns an invalid QVariant.
* \return QVariant containing this setting's value.
* \sa value()
*/
virtual QVariant get() const;
/*!
* \brief Gets this setting's default value.
* \return The default value of this setting.
*/
virtual QVariant defValue() const;
signals:
/*!
* \brief Signal emitted when this Setting object's value changes.
* \param setting A reference to the Setting that changed.
* \param value This Setting object's new value.
*/
void settingChanged(const Setting &setting, QVariant value);
/*!
* \brief Signal emitted when this Setting object's value resets to default.
* \param setting A reference to the Setting that changed.
*/
void settingReset(const Setting &setting);
public
slots:
/*!
* \brief Changes the setting's value.
* This is done by emitting the settingChanged() signal which will then be
* handled by the SettingsObject object and cause the setting to change.
* \param value The new value.
*/
virtual void set(QVariant value);
/*!
* \brief Reset the setting to default
* This is done by emitting the settingReset() signal which will then be
* handled by the SettingsObject object and cause the setting to change.
*/
virtual void reset();
protected:
friend class SettingsObject;
SettingsObject * m_storage;
QStringList m_synonyms;
QVariant m_defVal;
};

147
depends/settings/settingsobject.cpp
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/* Copyright 2013 MultiMC Contributors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "settingsobject.h"
#include "setting.h"
#include "overridesetting.h"
#include <QVariant>
SettingsObject::SettingsObject(QObject *parent) : QObject(parent)
{
}
SettingsObject::~SettingsObject()
{
m_settings.clear();
}
std::shared_ptr<Setting> SettingsObject::registerOverride(std::shared_ptr<Setting> original)
{
if (contains(original->id()))
{
qDebug(QString("Failed to register setting %1. ID already exists.")
.arg(original->id())
.toUtf8());
return nullptr; // Fail
}
auto override = std::make_shared<OverrideSetting>(original);
override->m_storage = this;
connectSignals(*override);
m_settings.insert(override->id(), override);
return override;
}
std::shared_ptr<Setting> SettingsObject::registerSetting(QStringList synonyms, QVariant defVal)
{
if (synonyms.empty())
return nullptr;
if (contains(synonyms.first()))
{
qDebug(QString("Failed to register setting %1. ID already exists.")
.arg(synonyms.first())
.toUtf8());
return nullptr; // Fail
}
auto setting = std::make_shared<Setting>(synonyms, defVal);
setting->m_storage = this;
connectSignals(*setting);
m_settings.insert(setting->id(), setting);
return setting;
}
/*
bool SettingsObject::registerSetting(Setting *setting)
{
if (contains(setting->id()))
{
qDebug(QString("Failed to register setting %1. ID already exists.")
.arg(setting->id())
.toUtf8());
return false; // Fail
}
m_settings.insert(setting->id(), setting);
setting->setParent(this); // Take ownership.
// Connect signals.
connectSignals(*setting);
// qDebug(QString("Registered setting %1.").arg(setting->id()).toUtf8());
return true;
}
*/
std::shared_ptr<Setting> SettingsObject::getSetting(const QString &id) const
{
// Make sure there is a setting with the given ID.
if (!m_settings.contains(id))
return NULL;
return m_settings[id];
}
QVariant SettingsObject::get(const QString &id) const
{
auto setting = getSetting(id);
return (setting ? setting->get() : QVariant());
}
bool SettingsObject::set(const QString &id, QVariant value)
{
auto setting = getSetting(id);
if (!setting)
{
qDebug(QString("Error changing setting %1. Setting doesn't exist.").arg(id).toUtf8());
return false;
}
else
{
setting->set(value);
return true;
}
}
void SettingsObject::reset(const QString &id) const
{
auto setting = getSetting(id);
if (setting)
setting->reset();
}
bool SettingsObject::contains(const QString &id)
{
return m_settings.contains(id);
}
bool SettingsObject::reload()
{
for (auto setting : m_settings.values())
{
setting->set(setting->get());
}
return true;
}
void SettingsObject::connectSignals(const Setting &setting)
{
connect(&setting, SIGNAL(settingChanged(const Setting &, QVariant)),
SLOT(changeSetting(const Setting &, QVariant)));
connect(&setting, SIGNAL(settingChanged(const Setting &, QVariant)),
SIGNAL(settingChanged(const Setting &, QVariant)));
connect(&setting, SIGNAL(settingReset(Setting)), SLOT(resetSetting(const Setting &)));
connect(&setting, SIGNAL(settingReset(Setting)), SIGNAL(settingReset(const Setting &)));
}

179
depends/settings/settingsobject.h
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@ -1,179 +0,0 @@
/* Copyright 2013 MultiMC Contributors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#pragma once
#include <QObject>
#include <QMap>
#include <QStringList>
#include <QVariant>
#include <memory>
#include "libsettings_config.h"
class Setting;
/*!
* \brief The SettingsObject handles communicating settings between the application and a
*settings file.
* The class keeps a list of Setting objects. Each Setting object represents one
* of the application's settings. These Setting objects are registered with
* a SettingsObject and can be managed similarly to the way a list works.
*
* \author Andrew Okin
* \date 2/22/2013
*
* \sa Setting
*/
class LIBSETTINGS_EXPORT SettingsObject : public QObject
{
Q_OBJECT
public:
explicit SettingsObject(QObject *parent = 0);
virtual ~SettingsObject();
/*!
* Registers an override setting for the given original setting in this settings object
*
* This will fail if there is already a setting with the same ID as
* the one that is being registered.
* \return A valid Setting shared pointer if successful.
*/
std::shared_ptr<Setting> registerOverride(std::shared_ptr<Setting> original);
/*!
* Registers the given setting with this SettingsObject and connects the necessary signals.
*
* This will fail if there is already a setting with the same ID as
* the one that is being registered.
* \return A valid Setting shared pointer if successful.
*/
std::shared_ptr<Setting> registerSetting(QStringList synonyms,
QVariant defVal = QVariant());
/*!
* Registers the given setting with this SettingsObject and connects the necessary signals.
*
* This will fail if there is already a setting with the same ID as
* the one that is being registered.
* \return A valid Setting shared pointer if successful.
*/
std::shared_ptr<Setting> registerSetting(QString id, QVariant defVal = QVariant())
{
return registerSetting(QStringList(id), defVal);
}
/*!
* \brief Gets the setting with the given ID.
* \param id The ID of the setting to get.
* \return A pointer to the setting with the given ID.
* Returns null if there is no setting with the given ID.
* \sa operator []()
*/
std::shared_ptr<Setting> getSetting(const QString &id) const;
/*!
* \brief Gets the value of the setting with the given ID.
* \param id The ID of the setting to get.
* \return The setting's value as a QVariant.
* If no setting with the given ID exists, returns an invalid QVariant.
*/
QVariant get(const QString &id) const;
/*!
* \brief Sets the value of the setting with the given ID.
* If no setting with the given ID exists, returns false and logs to qDebug
* \param id The ID of the setting to change.
* \param value The new value of the setting.
* \return True if successful, false if it failed.
*/
bool set(const QString &id, QVariant value);
/*!
* \brief Reverts the setting with the given ID to default.
* \param id The ID of the setting to reset.
*/
void reset(const QString &id) const;
/*!
* \brief Checks if this SettingsObject contains a setting with the given ID.
* \param id The ID to check for.
* \return True if the SettingsObject has a setting with the given ID.
*/
bool contains(const QString &id);
/*!
* \brief Reloads the settings and emit signals for changed settings
* \return True if reloading was successful
*/
virtual bool reload();
signals:
/*!
* \brief Signal emitted when one of this SettingsObject object's settings changes.
* This is usually just connected directly to each Setting object's
* settingChanged() signals.
* \param setting A reference to the Setting object that changed.
* \param value The Setting object's new value.
*/
void settingChanged(const Setting &setting, QVariant value);
/*!
* \brief Signal emitted when one of this SettingsObject object's settings resets.
* This is usually just connected directly to each Setting object's
* settingReset() signals.
* \param setting A reference to the Setting object that changed.
*/
void settingReset(const Setting &setting);
protected
slots:
/*!
* \brief Changes a setting.
* This slot is usually connected to each Setting object's
* settingChanged() signal. The signal is emitted, causing this slot
* to update the setting's value in the config file.
* \param setting A reference to the Setting object that changed.
* \param value The setting's new value.
*/
virtual void changeSetting(const Setting &setting, QVariant value) = 0;
/*!
* \brief Resets a setting.
* This slot is usually connected to each Setting object's
* settingReset() signal. The signal is emitted, causing this slot
* to update the setting's value in the config file.
* \param setting A reference to the Setting object that changed.
*/
virtual void resetSetting(const Setting &setting) = 0;
protected:
/*!
* \brief Connects the necessary signals to the given Setting.
* \param setting The setting to connect.
*/
void connectSignals(const Setting &setting);
/*!
* \brief Function used by Setting objects to get their values from the SettingsObject.
* \param setting The
* \return
*/
virtual QVariant retrieveValue(const Setting &setting) = 0;
friend class Setting;
private:
QMap<QString, std::shared_ptr<Setting>> m_settings;
};