Tooltip widget. Can be attached to one or more elements and is shown, with a
slight delay, when the the cursor is over the element or the element gains
focus.
Popup position implementation that positions the popup (the tooltip in this
case) based on the cursor position. It's positioned below the cursor to the
right if there's enough room to fit all of it inside the Viewport. Otherwise
it's displayed as far right as possible either above or below the element.
Used to position tooltips triggered by the cursor.
Popup position implementation that positions the popup (the tooltip in this
case) based on the element position. It's positioned below the element to the
right if there's enough room to fit all of it inside the Viewport. Otherwise
it's displayed as far right as possible either above or below the element.
Used to position tooltips triggered by focus changes.