refactored the settings dialog

src/util/.clang-format

@@ -1 +0,0 @@
-../.clang-format

src/util/layoutcreator.hpp

@@ -0,0 +1,103 @@
+#pragma once
+
+#include <QHBoxLayout>
+#include <QWidget>
+
+#include <cassert>
+#include <type_traits>
+
+namespace chatterino {
+namespace util {
+
+template <class T>
+class LayoutCreator
+{
+public:
+    LayoutCreator(T *_item)
+        : item(_item)
+    {
+    }
+
+    T *operator->()
+    {
+        return this->item;
+    }
+
+    T *getElement()
+    {
+        return this->item;
+    }
+
+    template <typename T2>
+    LayoutCreator<T2> append(T2 *_item)
+    {
+        this->_addItem(this->getOrCreateLayout(), _item);
+
+        return LayoutCreator<T2>(_item);
+    }
+
+    template <typename T2, typename... Args>
+    LayoutCreator<T2> emplace(Args &&... args)
+    {
+        T2 *t = new T2(std::forward<Args>(args)...);
+
+        this->_addItem(this->getOrCreateLayout(), t);
+
+        return LayoutCreator<T2>(t);
+    }
+
+    LayoutCreator<T> assign(T **ptr)
+    {
+        *ptr = this->item;
+
+        return *this;
+    }
+
+    template <typename Q = T,
+              typename std::enable_if<std::is_base_of<QLayout, Q>::value, int>::type = 0>
+    LayoutCreator<T> withoutMargin()
+    {
+        this->item->setContentsMargins(0, 0, 0, 0);
+
+        return *this;
+    }
+
+private:
+    T *item;
+
+    template <typename T2,
+              typename std::enable_if<std::is_base_of<QWidget, T2>::value, int>::type = 0>
+    void _addItem(QLayout *layout, T2 *item)
+    {
+        layout->addWidget(item);
+    }
+
+    template <typename T2,
+              typename std::enable_if<std::is_base_of<QLayout, T2>::value, int>::type = 0>
+    void _addItem(QLayout *layout, T2 *item)
+    {
+        QWidget *widget = new QWidget();
+        widget->setLayout(item);
+        layout->addWidget(widget);
+    }
+
+    template <typename Q = T,
+              typename std::enable_if<std::is_base_of<QLayout, Q>::value, int>::type = 0>
+    QLayout *getOrCreateLayout()
+    {
+        return this->item;
+    }
+
+    template <typename Q = T,
+              typename std::enable_if<std::is_base_of<QWidget, Q>::value, int>::type = 0>
+    QLayout *getOrCreateLayout()
+    {
+        if (!this->item->layout()) {
+            this->item->setLayout(new QHBoxLayout());
+        }
+
+        return this->item->layout();
+    }
+};
+}  // namespace util
+}  // namespace chatterino