A scroll event holds information about events sent from stand-alone scrollbars and sliders. Note that starting from Widgets 2.1, scrolled windows send the ScrollWinEvent which does not derive from CommandEvent, but from Event directly – don’t confuse these two kinds of events and use the event table macros mentioned below only for the scrollbar-like controls.
Note that unless specifying a scroll control identifier, you will need to test for scrollbar orientation with ScrollEvent#get_orientation, since horizontal and vertical scroll events are processed using the same event handler.
ScrollBar, Slider, SpinButton,
ScrollWinEvent, Event handling overview
ScrollEvent.new(TYPE commandType = 0, Integer id = 0,
Integer pos = 0,
Integer orientation = 0)Constructor.
Integer get_orientation()Returns HORIZONTAL or VERTICAL, depending on the orientation of the scrollbar.
Integer get_position()Returns the position of the scrollbar.
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