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mousewheelhandler.js
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/goog/events/mousewheelhandler.js
Classes
goog.events.MouseWheelEvent
A base class for mouse wheel events. This is used with the MouseWheelHandler.
goog.events.MouseWheelHandler
This event handler allows you to catch mouse wheel events in a consistent manner.
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Global Functions
goog.events.MouseWheelHandler.
smartScale_
(
mouseWheelDelta
,
scaleFactor
)
⇒
number
Helper for scaling down a mousewheel delta by a scale factor, if appropriate.
Arguments:
mouseWheelDelta
:
number
Delta from a mouse wheel event. Expected to be an integer.
scaleFactor
:
number
Factor to scale the delta down by. Expected to be an integer.
Returns:
number
Scaled-down delta value, or the original delta if the scaleFactor does not appear to be applicable.
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