+ // Get wheel rotation, positive or negative indicates direction of
+ // rotation. Current devices all send an event when rotation is equal to
+ // +/-WheelDelta, but this allows for finer resolution devices to be
+ // created in the future. Because of this you shouldn't assume that one
+ // event is equal to 1 line or whatever, but you should be able to either
+ // do partial line scrolling or wait until +/-WheelDelta rotation values
+ // have been accumulated before scrolling.
+ int GetWheelRotation() const { return m_wheelRotation; }
+
+ // Get wheel delta, normally 120. This is the threshold for action to be
+ // taken, and one such action (for example, scrolling one increment)
+ // should occur for each delta.
+ int GetWheelDelta() const { return m_wheelDelta; }
+
+ // Returns the configured number of lines (or whatever) to be scrolled per
+ // wheel action. Defaults to one.
+ int GetLinesPerAction() const { return m_linesPerAction; }
+
+