@param pixels number of pixels to scroll, > 0 = scroll left,
< 0 scroll right
@param adjustScrollBar
true= the scroll thumb will be moved to reflect the new scroll offset.
false = the scroll thumb will not be moved
@return
true=the widget was scrolled
false=the widget was not scrolled, the given offset is not valid.
Scrolls the widget horizontally.
@param pixels number of pixels to scroll, > 0 = scroll left, < 0 scroll right @param adjustScrollBar true= the scroll thumb will be moved to reflect the new scroll offset. false = the scroll thumb will not be moved @return true=the widget was scrolled false=the widget was not scrolled, the given offset is not valid.