+
+// A regular QScrollArea has a fixed size and provides scroll bars when the
+// content can't be shown in its entirety. However, we want no horizontal
+// scroll bar and want the scroll area to adjust its width to fit the content
+// instead.
+// Inspired by https://stackoverflow.com/questions/21253755/qscrollarea-with-dynamically-changing-contents?answertab=votes#tab-top
+class QWidthAdjustingScrollArea : public QScrollArea
+{
+ Q_OBJECT
+
+public:
+ QWidthAdjustingScrollArea(QWidget* parent = nullptr);
+ void setWidget(QWidget* w);
+ bool eventFilter(QObject* obj, QEvent* ev);
+};
+
+