aboutToHide() signal is connected each time the menu is shown instead of being connected only once in setTimelineMenu().
This should result in slotUngrabHack() beign called multiple times when the menu is hidden
*aboutToHide()* signal is connected each time the menu is shown instead of being connected only once in *setTimelineMenu()*.
This should result in *slotUngrabHack()* beign called multiple times when the menu is hidden