Move all the things (YES. Move them.)

Also, implemented some basic modlist logic, to be wired up.

18 files changed, 1291 insertions, 0 deletions

diff --git a/depends/settings/CMakeLists.txt b/depends/settings/CMakeLists.txt
new file mode 100644
index 00000000..e5aae0b7
--- /dev/null
+++ b/depends/settings/CMakeLists.txt
@@ -0,0 +1,51 @@
+project(libSettings)
+
+# Find Qt
+find_package(Qt5Core REQUIRED)
+
+# Include Qt headers.
+include_directories(${Qt5Base_INCLUDE_DIRS})
+include_directories(${Qt5Network_INCLUDE_DIRS})
+
+SET(LIBSETTINGS_HEADERS
+include/libsettings_config.h
+
+include/inifile.h
+
+include/settingsobject.h
+include/setting.h
+include/overridesetting.h
+
+include/basicsettingsobject.h
+include/inisettingsobject.h
+
+include/keyring.h
+)
+
+SET(LIBSETTINGS_HEADERS_PRIVATE
+src/stubkeyring.h
+)
+
+SET(LIBSETTINGS_SOURCES
+src/inifile.cpp
+
+src/settingsobject.cpp
+src/setting.cpp
+src/overridesetting.cpp
+
+src/basicsettingsobject.cpp
+src/inisettingsobject.cpp
+
+src/keyring.cpp
+src/stubkeyring.cpp
+)
+
+# Set the include dir path.
+SET(LIBSETTINGS_INCLUDE_DIR "${CMAKE_CURRENT_SOURCE_DIR}/include" PARENT_SCOPE)
+include_directories(${LIBSETTINGS_INCLUDE_DIR})
+
+add_definitions(-DLIBSETTINGS_LIBRARY)
+
+add_library(libSettings SHARED ${LIBSETTINGS_SOURCES} ${LIBSETTINGS_HEADERS} ${LIBSETTINGS_HEADERS_PRIVATE})
+qt5_use_modules(libSettings Core)
+target_link_libraries(libSettings)
diff --git a/depends/settings/include/basicsettingsobject.h b/depends/settings/include/basicsettingsobject.h
new file mode 100644
index 00000000..b7e5851d
--- /dev/null
+++ b/depends/settings/include/basicsettingsobject.h
@@ -0,0 +1,44 @@
+/* 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.
+ */
+
+#ifndef BASICSETTINGSOBJECT_H
+#define BASICSETTINGSOBJECT_H
+
+#include <QObject>
+#include <QSettings>
+
+#include "settingsobject.h"
+
+#include "libsettings_config.h"
+
+/*!
+ * \brief A settings object that stores its settings in a QSettings object.
+ */
+class LIBSETTINGS_EXPORT BasicSettingsObject : public SettingsObject
+{
+	Q_OBJECT
+public:
+	explicit BasicSettingsObject(QObject *parent = 0);
+	
+protected slots:
+	virtual void changeSetting(const Setting &setting, QVariant value);
+	
+protected:
+	virtual QVariant retrieveValue(const Setting &setting);
+	
+	QSettings config;
+};
+
+#endif // BASICSETTINGSOBJECT_H
diff --git a/depends/settings/include/inifile.h b/depends/settings/include/inifile.h
new file mode 100644
index 00000000..94467832
--- /dev/null
+++ b/depends/settings/include/inifile.h
@@ -0,0 +1,38 @@
+/* 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.
+ */
+
+#ifndef INIFILE_H
+#define INIFILE_H
+
+#include <QMap>
+#include <QString>
+#include <QVariant>
+
+#include "libsettings_config.h"
+
+// Sectionless INI parser (for instance config files)
+class LIBSETTINGS_EXPORT INIFile : public QMap<QString, QVariant>
+{
+public:
+	explicit INIFile();
+	
+	bool loadFile(QString fileName);
+	bool saveFile(QString fileName);
+	
+	QVariant get(QString key, QVariant def) const;
+	void set(QString key, QVariant val);
+};
+
+#endif // INIFILE_H
diff --git a/depends/settings/include/inisettingsobject.h b/depends/settings/include/inisettingsobject.h
new file mode 100644
index 00000000..03d6fe05
--- /dev/null
+++ b/depends/settings/include/inisettingsobject.h
@@ -0,0 +1,60 @@
+/* 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.
+ */
+
+#ifndef INISETTINGSOBJECT_H
+#define INISETTINGSOBJECT_H
+
+#include <QObject>
+
+#include "inifile.h"
+
+#include "settingsobject.h"
+
+#include "libutil_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);
+	
+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;
+};
+
+#endif // INISETTINGSOBJECT_H
diff --git a/depends/settings/include/keyring.h b/depends/settings/include/keyring.h
new file mode 100644
index 00000000..299b14b0
--- /dev/null
+++ b/depends/settings/include/keyring.h
@@ -0,0 +1,92 @@
+/* Copyright 2013 MultiMC Contributors
+ *
+ * Authors: Orochimarufan <orochimarufan.x3@gmail.com>
+ *
+ * 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.
+ */
+
+#ifndef KEYRING_H
+#define KEYRING_H
+
+#include <QString>
+
+#include "libsettings_config.h"
+
+/**
+ * @file libsettings/include/keyring.h
+ * Access to System Keyrings
+ */
+
+/**
+ * @brief The Keyring class
+ * the System Keyring/Keychain/Wallet/Vault/etc
+ */
+class LIBSETTINGS_EXPORT Keyring
+{
+public:
+	/**
+	 * @brief the System Keyring instance
+	 * @return the Keyring instance
+	 */
+	static Keyring *instance();
+
+	/**
+	 * @brief store a password in the Keyring
+	 * @param service the service name
+	 * @param username the account name
+	 * @param password the password to store
+	 * @return success
+	 */
+	virtual bool storePassword(QString service, QString username, QString password) = 0;
+
+	/**
+	 * @brief get a password from the Keyring
+	 * @param service the service name
+	 * @param username the account name
+	 * @return the password (success=!isNull())
+	 */
+	virtual QString getPassword(QString service, QString username) = 0;
+
+	/**
+	 * @brief lookup a password
+	 * @param service the service name
+	 * @param username the account name
+	 * @return wether the password is available
+	 */
+	virtual bool hasPassword(QString service, QString username) = 0;
+
+	/**
+	 * @brief get a list of all stored accounts.
+	 * @param service the service name
+	 * @return
+	 */
+	virtual QStringList getStoredAccounts(QString service) = 0;
+
+	/**
+	 * @brief Remove the specified account from storage
+	 * @param service the service name
+	 * @param username the account name
+	 * @return
+	 */
+	virtual void removeStoredAccount(QString service, QString username) = 0;
+	
+protected:
+	/// fall back to StubKeyring if false
+	virtual bool isValid() { return false; }
+
+private:
+	static Keyring *m_instance;
+	static void destroy();
+};
+
+#endif // KEYRING_H
diff --git a/depends/settings/include/libsettings_config.h b/depends/settings/include/libsettings_config.h
new file mode 100644
index 00000000..dc8e6228
--- /dev/null
+++ b/depends/settings/include/libsettings_config.h
@@ -0,0 +1,27 @@
+/* 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.
+ */
+
+#ifndef LIBINSTANCE_CONFIG_H
+#define LIBINSTANCE_CONFIG_H
+
+#include <QtCore/QtGlobal>
+
+#ifdef LIBSETTINGS_LIBRARY
+#  define LIBSETTINGS_EXPORT Q_DECL_EXPORT
+#else
+#  define LIBSETTINGS_EXPORT Q_DECL_IMPORT
+#endif
+
+#endif // LIBINSTANCE_CONFIG_H
diff --git a/depends/settings/include/overridesetting.h b/depends/settings/include/overridesetting.h
new file mode 100644
index 00000000..58bb6d40
--- /dev/null
+++ b/depends/settings/include/overridesetting.h
@@ -0,0 +1,43 @@
+/* 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.
+ */
+
+#ifndef OVERRIDESETTING_H
+#define OVERRIDESETTING_H
+
+#include <QObject>
+
+#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(const QString &name, Setting *other, QObject *parent = 0);
+	
+	virtual QVariant defValue() const;
+	
+protected:
+	Setting *m_other;
+};
+
+#endif // OVERRIDESETTING_H
diff --git a/depends/settings/include/setting.h b/depends/settings/include/setting.h
new file mode 100644
index 00000000..a161ab50
--- /dev/null
+++ b/depends/settings/include/setting.h
@@ -0,0 +1,114 @@
+/* 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.
+ */
+
+#ifndef SETTING_H
+#define SETTING_H
+
+#include <QObject>
+#include <QVariant>
+
+#include "libsettings_config.h"
+
+class SettingsObject;
+
+/*!
+ * 
+ */
+class LIBSETTINGS_EXPORT Setting : public QObject
+{
+	Q_OBJECT
+public:
+	/*!
+	 * \brief Constructs a new Setting object with the given parent.
+	 * \param parent The Setting's parent object.
+	 */
+	explicit Setting(QString id, QVariant defVal = QVariant(), QObject *parent = 0);
+	
+	/*!
+	 * \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_id; }
+	
+	/*!
+	 * \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 QString configKey() const { return id(); }
+	
+	/*!
+	 * \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 actual value (I.E. not as a QVariant).
+	 * This function is just shorthand for get().value<T>()
+	 * \return The setting's actual value.
+	 */
+	template<typename T>
+	inline T value() const { return get().value<T>(); }
+	
+	
+	/*!
+	 * \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.
+	 * \param value The new value.
+	 */
+	virtual void reset();
+protected:
+	QString m_id;
+	QVariant m_defVal;
+};
+
+#endif // SETTING_H
diff --git a/depends/settings/include/settingsobject.h b/depends/settings/include/settingsobject.h
new file mode 100644
index 00000000..a2f03699
--- /dev/null
+++ b/depends/settings/include/settingsobject.h
@@ -0,0 +1,192 @@
+/* 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.
+ */
+
+#ifndef SETTINGSOBJECT_H
+#define SETTINGSOBJECT_H
+
+#include <QObject>
+#include <QMap>
+
+#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);
+	
+	/*!
+	 * \brief 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.
+	 * \note Registering a setting object causes the SettingsObject to take ownership
+	 * of the object. This means that setting's parent will be set to the object
+	 * it was registered with. Because the object it was registered with has taken
+	 * ownership, it becomes responsible for managing that setting object's memory.
+	 * \warning Do \b not delete the setting after registering it.
+	 * \param setting A pointer to the setting that will be registered.
+	 * \return True if successful. False if registry failed.
+	 */
+	virtual bool registerSetting(Setting *setting);
+	
+	/*!
+	 * \brief Unregisters the given setting from this SettingsObject and disconnects its signals.
+	 * \note This does not delete the setting. Furthermore, when the setting is 
+	 * unregistered, the SettingsObject drops ownership of the setting. This means
+	 * that if you unregister a setting, its parent is set to null and you become
+	 * responsible for freeing its memory.
+	 * \param setting The setting to unregister.
+	 */
+	virtual void unregisterSetting(Setting *setting);
+	
+	
+	/*!
+	 * \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 []()
+	 */
+	virtual Setting *getSetting(const QString &id) const;
+	
+	/*!
+	 * \brief Same as getSetting()
+	 * \param id The ID of the setting to get.
+	 * \return A pointer to the setting with the given ID. 
+	 * \sa getSetting()
+	 */
+	inline Setting *operator [](const QString &id) { return getSetting(id); }
+	
+	
+	/*!
+	 * \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.
+	 */
+	virtual 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.
+	 */
+	virtual 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.
+	 */
+	virtual void reset(const QString &id) const;
+	
+	/*!
+	 * \brief Gets a QList with pointers to all of the registered settings.
+	 * The order of the entries in the list is undefined.
+	 * \return A QList with pointers to all registered settings.
+	 */
+	virtual QList<Setting *> getSettings();
+	
+	/*!
+	 * \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.
+	 */
+	virtual bool contains(const QString &id);
+	
+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.
+	 */
+	virtual void connectSignals(const Setting &setting);
+	
+	/*!
+	 * \brief Disconnects signals from the given Setting.
+	 * \param setting The setting to disconnect.
+	 */
+	virtual void disconnectSignals(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, Setting *> m_settings;
+};
+
+/*!
+ * \brief A global settings object.
+ */
+LIBSETTINGS_EXPORT extern SettingsObject *globalSettings;
+
+#endif // SETTINGSOBJECT_H
diff --git a/depends/settings/src/basicsettingsobject.cpp b/depends/settings/src/basicsettingsobject.cpp
new file mode 100644
index 00000000..484928c8
--- /dev/null
+++ b/depends/settings/src/basicsettingsobject.cpp
@@ -0,0 +1,46 @@
+/* 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 "include/basicsettingsobject.h"
+#include "include/setting.h"
+
+BasicSettingsObject::BasicSettingsObject(QObject *parent) :
+	SettingsObject(parent)
+{
+	
+}
+
+void BasicSettingsObject::changeSetting(const Setting &setting, QVariant value)
+{
+	if (contains(setting.id()))
+	{
+		if(value.isValid())
+			config.setValue(setting.configKey(), value);
+		else
+			config.remove(setting.configKey());
+	}
+}
+
+QVariant BasicSettingsObject::retrieveValue(const Setting &setting)
+{
+	if (contains(setting.id()))
+	{
+		return config.value(setting.configKey());
+	}
+	else
+	{
+		return QVariant();
+	}
+}
diff --git a/depends/settings/src/inifile.cpp b/depends/settings/src/inifile.cpp
new file mode 100644
index 00000000..43545a4a
--- /dev/null
+++ b/depends/settings/src/inifile.cpp
@@ -0,0 +1,86 @@
+/* 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 "include/inifile.h"
+
+#include <QFile>
+#include <QTextStream>
+#include <QStringList>
+
+INIFile::INIFile()
+{
+	
+}
+
+bool INIFile::saveFile(QString fileName)
+{
+	// TODO Handle errors.
+	QFile file(fileName);
+	file.open(QIODevice::WriteOnly);
+	QTextStream out(&file);
+	
+	for (Iterator iter = begin(); iter != end(); iter++)
+	{
+		out << iter.key() << "=" << iter.value().toString() << "\n";
+	}
+	
+	return true;
+}
+
+bool INIFile::loadFile(QString fileName)
+{
+	// TODO Handle errors.
+	QFile file(fileName);
+	file.open(QIODevice::ReadOnly);
+	QTextStream	in(&file);
+	
+	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();
+		
+		QVariant value(valueStr);
+		/*
+		QString dbg = key;
+		dbg += " = ";
+		dbg += valueStr;
+		qDebug(dbg.toLocal8Bit());
+		*/
+		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;
+}
diff --git a/depends/settings/src/inisettingsobject.cpp b/depends/settings/src/inisettingsobject.cpp
new file mode 100644
index 00000000..854421b6
--- /dev/null
+++ b/depends/settings/src/inisettingsobject.cpp
@@ -0,0 +1,62 @@
+/* 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 "include/inisettingsobject.h"
+#include "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;
+}
+
+void INISettingsObject::changeSetting(const Setting &setting, QVariant value)
+{
+	if (contains(setting.id()))
+	{
+		if(value.isValid())
+			m_ini.set(setting.configKey(), value);
+		else
+			m_ini.remove(setting.configKey());
+		m_ini.saveFile(m_filePath);
+	}
+}
+
+void INISettingsObject::resetSetting ( const Setting& setting )
+{
+	if (contains(setting.id()))
+	{
+		m_ini.remove(setting.configKey());
+		m_ini.saveFile(m_filePath);
+	}
+}
+
+QVariant INISettingsObject::retrieveValue(const Setting &setting)
+{
+	if (contains(setting.id()))
+	{
+		return m_ini.get(setting.configKey(), QVariant());
+	}
+	else
+	{
+		return QVariant();
+	}
+}
diff --git a/depends/settings/src/keyring.cpp b/depends/settings/src/keyring.cpp
new file mode 100644
index 00000000..9eaba684
--- /dev/null
+++ b/depends/settings/src/keyring.cpp
@@ -0,0 +1,63 @@
+/* Copyright 2013 MultiMC Contributors
+ *
+ * Authors: Orochimarufan <orochimarufan.x3@gmail.com>
+ *
+ * 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 "include/keyring.h"
+
+#include "osutils.h"
+
+#include "stubkeyring.h"
+
+// system specific keyrings
+/*#if defined(OSX)
+class OSXKeychain;
+#define KEYRING OSXKeychain
+#elif defined(LINUX)
+class XDGKeyring;
+#define KEYRING XDGKeyring
+#elif defined(WINDOWS)
+class Win32Keystore;
+#define KEYRING Win32Keystore
+#else
+#pragma message Keyrings are not supported on your os. Falling back to the insecure StubKeyring
+#endif*/
+
+Keyring *Keyring::instance()
+{
+	if (m_instance == nullptr)
+	{
+#ifdef KEYRING
+		m_instance = new KEYRING();
+		if (!m_instance->isValid())
+		{
+			qWarning("Could not create SystemKeyring! falling back to StubKeyring.");
+			m_instance = new StubKeyring();
+		}
+#else
+		qWarning("Keyrings are not supported on your OS. Fallback StubKeyring is insecure!");
+		m_instance = new StubKeyring();
+#endif
+		atexit(Keyring::destroy);
+	}
+	return m_instance;
+}
+
+void Keyring::destroy()
+{
+	delete m_instance;
+}
+
+Keyring *Keyring::m_instance;
diff --git a/depends/settings/src/overridesetting.cpp b/depends/settings/src/overridesetting.cpp
new file mode 100644
index 00000000..eafb298f
--- /dev/null
+++ b/depends/settings/src/overridesetting.cpp
@@ -0,0 +1,30 @@
+/* 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 "include/overridesetting.h"
+
+OverrideSetting::OverrideSetting(const QString &name, Setting *other, QObject *parent) :
+	Setting(name, QVariant(), parent)
+{
+	m_other = other;
+}
+
+QVariant OverrideSetting::defValue() const
+{
+	if (m_other)
+		return m_other->get();
+	else
+		return QVariant();
+}
diff --git a/depends/settings/src/setting.cpp b/depends/settings/src/setting.cpp
new file mode 100644
index 00000000..8e60af06
--- /dev/null
+++ b/depends/settings/src/setting.cpp
@@ -0,0 +1,54 @@
+/* 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 "include/setting.h"
+#include "include/settingsobject.h"
+
+Setting::Setting(QString id, QVariant defVal, QObject *parent) :
+	QObject(parent), m_id(id), m_defVal(defVal)
+{
+	
+}
+
+QVariant Setting::get() const
+{
+	SettingsObject *sbase = qobject_cast<SettingsObject *>(parent());
+	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);
+}
diff --git a/depends/settings/src/settingsobject.cpp b/depends/settings/src/settingsobject.cpp
new file mode 100644
index 00000000..bf7b8825
--- /dev/null
+++ b/depends/settings/src/settingsobject.cpp
@@ -0,0 +1,144 @@
+/* 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 "include/settingsobject.h"
+#include "include/setting.h"
+
+#include <QVariant>
+
+SettingsObject *globalSettings;
+
+SettingsObject::SettingsObject(QObject *parent) :
+	QObject(parent)
+{
+	
+}
+
+bool SettingsObject::registerSetting(Setting *setting)
+{
+	// Check if setting is null or we already have a setting with the same ID.
+	if (!setting)
+	{
+		qDebug(QString("Failed to register setting. Setting is null.").
+			   arg(setting->id()).toUtf8());
+		return false; // Fail
+	}
+	
+	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;
+}
+
+void SettingsObject::unregisterSetting(Setting *setting)
+{
+	if (!setting || !m_settings.contains(setting->id()))
+		return; // We can't unregister something that's not registered.
+	
+	m_settings.remove(setting->id());
+	
+	// Disconnect signals.
+	disconnectSignals(*setting);
+	
+	setting->setParent(NULL); // Drop ownership.
+}
+
+
+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
+{
+	Setting *setting = getSetting(id);
+	return (setting ? setting->get() : QVariant());
+}
+
+bool SettingsObject::set(const QString &id, QVariant value)
+{
+	Setting *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
+{
+	Setting *setting = getSetting(id);
+	if(setting)
+		setting->reset();
+}
+
+
+QList<Setting *> SettingsObject::getSettings()
+{
+	return m_settings.values();
+}
+
+bool SettingsObject::contains(const QString &id)
+{
+	return m_settings.contains(id);
+}
+
+
+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 &)));
+}
+
+void SettingsObject::disconnectSignals(const Setting &setting)
+{
+	setting.disconnect(SIGNAL(settingChanged(const Setting &, QVariant)),
+					   this, SLOT(changeSetting(const Setting &, QVariant)));
+	setting.disconnect(SIGNAL(settingChanged(const Setting &, QVariant)),
+					   this, SIGNAL(settingChanged(const Setting &, QVariant)));
+	
+	setting.disconnect(SIGNAL(settingReset(const Setting &, QVariant)),
+					   this, SLOT(resetSetting(const Setting &, QVariant)));
+	setting.disconnect(SIGNAL(settingReset(const Setting &, QVariant)),
+					   this, SIGNAL(settingReset(const Setting &, QVariant)));
+}
diff --git a/depends/settings/src/stubkeyring.cpp b/depends/settings/src/stubkeyring.cpp
new file mode 100644
index 00000000..cf814d2f
--- /dev/null
+++ b/depends/settings/src/stubkeyring.cpp
@@ -0,0 +1,104 @@
+/* Copyright 2013 MultiMC Contributors
+ *
+ * Authors: Orochimarufan <orochimarufan.x3@gmail.com>
+ *
+ * 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 "stubkeyring.h"
+
+#include <QStringList>
+
+// Scrambling
+// this is NOT SAFE, but it's not plain either.
+int scrambler = 0x9586309;
+
+QString scramble(QString in_)
+{
+	QByteArray in = in_.toUtf8();
+	QByteArray out;
+	for (int i = 0; i<in.length(); i++)
+		out.append(in.at(i) ^ scrambler);
+	return QString::fromUtf8(out);
+}
+
+inline QString base64(QString in)
+{
+	return QString(in.toUtf8().toBase64());
+}
+inline QString unbase64(QString in)
+{
+	return QString::fromUtf8(QByteArray::fromBase64(in.toLatin1()));
+}
+
+inline QString scramble64(QString in)
+{
+	return base64(scramble(in));
+}
+inline QString unscramble64(QString in)
+{
+	return scramble(unbase64(in));
+}
+
+// StubKeyring implementation
+inline QString generateKey(QString service, QString username)
+{
+	return QString("%1/%2").arg(base64(service)).arg(scramble64(username));
+}
+
+bool StubKeyring::storePassword(QString service, QString username, QString password)
+{
+	m_settings.setValue(generateKey(service, username), scramble64(password));
+	return true;
+}
+
+QString StubKeyring::getPassword(QString service, QString username)
+{
+	QString key = generateKey(service, username);
+	if (!m_settings.contains(key))
+		return QString();
+	return unscramble64(m_settings.value(key).toString());
+}
+
+bool StubKeyring::hasPassword(QString service, QString username)
+{
+	return m_settings.contains(generateKey(service, username));
+}
+
+QStringList StubKeyring::getStoredAccounts(QString service)
+{
+	service = base64(service).append('/');
+	QStringList out;
+	QStringList in(m_settings.allKeys());
+	QStringListIterator it(in);
+	while(it.hasNext())
+	{
+		QString c = it.next();
+		if (c.startsWith(service))
+			out << unscramble64(c.mid(service.length()));
+	}
+	return out;
+}
+
+void StubKeyring::removeStoredAccount ( QString service, QString username )
+{
+	QString key = generateKey(service, username);
+	m_settings.remove(key);
+}
+
+//FIXME: this needs tweaking/changes for user account level storage
+StubKeyring::StubKeyring() :
+//	m_settings(QSettings::UserScope, "Orochimarufan", "Keyring")
+	m_settings("keyring.cfg", QSettings::IniFormat)
+{
+}
diff --git a/depends/settings/src/stubkeyring.h b/depends/settings/src/stubkeyring.h
new file mode 100644
index 00000000..45791c85
--- /dev/null
+++ b/depends/settings/src/stubkeyring.h
@@ -0,0 +1,41 @@
+/* Copyright 2013 MultiMC Contributors
+ *
+ * Authors: Orochimarufan <orochimarufan.x3@gmail.com>
+ *
+ * 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.
+ */
+
+#ifndef STUBKEYRING_H
+#define STUBKEYRING_H
+
+#include "include/keyring.h"
+
+#include <QSettings>
+
+class StubKeyring : public Keyring
+{
+public:
+	virtual bool storePassword(QString service, QString username, QString password);
+	virtual QString getPassword(QString service, QString username);
+	virtual bool hasPassword(QString service, QString username);
+	virtual QStringList getStoredAccounts(QString service);
+	virtual void removeStoredAccount(QString service, QString username);
+private:
+	friend class Keyring;
+	explicit StubKeyring();
+	virtual bool isValid() { return true; }
+
+	QSettings m_settings;
+};
+
+#endif // STUBKEYRING_H