// action offset is used here to make it feel "natural" to the user
// to drag a docked pane and suddenly have it become a floating frame.
// Sometimes, however, the offset where the user clicked on the docked
// caption is bigger than the width of the floating frame itself, so
// in that case we need to set the action offset to a sensible value
// action offset is used here to make it feel "natural" to the user
// to drag a docked pane and suddenly have it become a floating frame.
// Sometimes, however, the offset where the user clicked on the docked
// caption is bigger than the width of the floating frame itself, so
// in that case we need to set the action offset to a sensible value