app/sources/appsettings.cpp

#include "headers/appsettings.h"

AppSettings::AppSettings(QObject* parent)
    :QObject(parent)
{
    // This is the Constructor of the AppSettings class

    // get writable path to store the settings.ini file
    QString path = QStandardPaths::writableLocation(QStandardPaths::AppDataLocation);

    qDebug() << "app settings path: " << path;

    // create or open the settings.ini file
    this->settingsManager = new QSettings(path+"/settings.ini", QSettings::IniFormat);

    // set the values to their defaults if they haven't been created yet

}

QString AppSettings::read(const QString &key)
{
    // function to read values from the settings file

    // open the value-group
    this->settingsManager->beginGroup("AppSettings");
    // read the value
    QString value = this->settingsManager->value(key, false).toString();
    // close the value-group
    this->settingsManager->endGroup();
    // return the value
    return(value);
}

void AppSettings::write(const QString &key, const QVariant &value)
{
    // function to write values to the settings file

    // open the value-group
    this->settingsManager->beginGroup("AppSettings");
    // write the value
    this->settingsManager->setValue(key, value);
    // close the value-group
    this->settingsManager->endGroup();
}

void AppSettings::setDefault(const QString &key, const QVariant &defaultValue)
{
    // function to create a key (/ setting) with a default value if it hasnt been ceated yet

    // read the current value
    QString value = this->read(key);
    if(value == "false") {
        // if it is nor defined yet, the read function will return "false" (as a string)
        // -> if that is the case -> create the key with the default value
        this->write(key, defaultValue);
    }

}

AppSettings::~AppSettings()
{
    // This is the Destructor of the AppSettings class

    // delete the settings manager
    delete settingsManager;
}