removed settings namespace

setting.h

@@ -0,0 +1,83 @@
+#ifndef SETTING_H
+#define SETTING_H
+
+#include <QSettings>
+#include <QString>
+#include <boost/signals2.hpp>
+
+namespace chatterino {
+
+class BaseSetting
+{
+public:
+    BaseSetting(const QString &_name)
+        : name(_name)
+    {
+    }
+
+    virtual void save(QSettings &settings) = 0;
+    virtual void load(const QSettings &settings) = 0;
+
+    const QString &
+    getName() const
+    {
+        return this->name;
+    }
+
+private:
+    QString name;
+};
+
+template <typename T>
+class Setting : public BaseSetting
+{
+public:
+    Setting(std::vector<std::reference_wrapper<BaseSetting>> &settingItems,
+            const QString &_name, const T &defaultValue)
+        : BaseSetting(_name)
+        , value(defaultValue)
+    {
+        settingItems.push_back(*this);
+    }
+
+    const T &
+    get() const
+    {
+        return this->value;
+    }
+
+    void
+    set(const T &newValue)
+    {
+        if (this->value != newValue) {
+            this->value = newValue;
+
+            this->valueChanged(newValue);
+        }
+    }
+
+    virtual void
+    save(QSettings &settings) final
+    {
+        settings.setValue(this->getName(), QVariant::fromValue(this->value));
+    }
+
+    virtual void
+    load(const QSettings &settings) final
+    {
+        QVariant newValue = settings.value(this->getName(), QVariant());
+        if (newValue.isValid()) {
+            assert(newValue.canConvert<T>());
+            this->set(newValue.value<T>());
+        }
+    }
+
+    boost::signals2::signal<void(const T &newValue)> valueChanged;
+
+private:
+    T value;
+};
+
+}  // namespace chatterino
+
+#endif  // SETTING_H