added category navigation to general settings

src/util/LayoutHelper.hpp

@@ -1,13 +1,18 @@
 #pragma once
 
 #include <QLayout>
-#include <QWidget>
 #include <boost/variant.hpp>
 
+class QWidget;
+class QScrollArea;
+
 namespace chatterino {
 
 using LayoutItem = boost::variant<QWidget *, QLayout *>;
 
+QWidget *wrapLayout(QLayout *layout);
+QScrollArea *makeScrollArea(LayoutItem item);
+
 template <typename T>
 T *makeLayout(std::initializer_list<LayoutItem> items)
 {
@@ -26,9 +31,19 @@ T *makeLayout(std::initializer_list<LayoutItem> items)
         }
     }
 
+    t->setContentsMargins(0, 0, 0, 0);
+
     return t;
 }
 
+template <typename T>
+T *makeStretchingLayout(std::initializer_list<LayoutItem> items)
+{
+    auto layout = makeLayout<T>(items);
+    layout->addStretch(1);
+    return layout;
+}
+
 template <typename T, typename With>
 T *makeWidget(With with)
 {