#include "frontends/alert.h"
#include <QAbstractItemModel>
-#include <QHeaderView>
+#include <QButtonGroup>
#include <QColor>
#include <QColorDialog>
#include <QCloseEvent>
#include <QFontDatabase>
+#include <QHeaderView>
#include <QScrollBar>
#include <QTextBoundaryFinder>
#include <QTextCursor>