5.5.1 () QLineEditIconButton::actionEvent QActionEvent(ActionAdded, 0x7fff72ccf790) action: vis= true en= true self vis= false en= true positionSideWidgets hiding action QLineEditIconButton::actionEvent QActionEvent(ActionChanged, 0x7fff72ccf910) action: vis= false en= false self vis= false en= true QToolButton::actionEvent enabled= false event QResizeEvent(200, 23, non-spontaneous) positionSideWidgets >QCoreApplication::exec event QResizeEvent(200, 23) positionSideWidgets QLineEditIconButton::actionEvent QActionEvent(ActionRemoved, 0x7fff72ccf7f0) action: vis= false en= false self vis= false en= false