scroll-line-items

Arguments: chart-widget

Returns the value of the scroll-line-items property of a chart-widget. The value may be set at creation time by passing the :scroll-line-items initarg, or any time later by calling (setf scroll-line-items).

scroll-line-items is the number of chart items by which a chart-widget will scroll along its item axis when the user presses an arrow key. The value should be a positive integer. The default value is 1, so that the widget will scroll by one chart item each time an arrow key is pressed.

See also scroll-page-portion and scroll-on-drag.

See chart-widget and also cg-chart-widget.htm.

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Created 2019.8.20.