It is the case on Linux. Both GTK and Qt have this built in for a while now: https://developer.gnome.org/gtk3/stable/GtkScrolledWindow.html#GtkScrolledWindow--

It is the case on Linux. Both GTK and Qt have this built in for a while now: https://developer.gnome.org/gtk3/stable/GtkScrolledWindow.html#GtkScrolledWindow--kinetic-scrolling https://developer.gnome.org/gtk3/stable/GtkScrolledWindow.ht... https://doc.qt.io/qt-5/qscroller.html https://doc.qt.io/qt-5/qscroller.html Why it's not working on your applications is a different question.