Package com.google.gwt.event.dom.client

Class MouseWheelEvent

    • Method Detail

      • getType

        public static DomEvent.Type<MouseWheelHandler> getType()
        Gets the event type associated with mouse wheel events.
        Returns:
        the handler type

      • getDeltaY

        @Deprecated
public int getDeltaY()
        Deprecated.
        use getNativeDeltaY() instead
        Get the sign of the change in the mouse wheel position along the Y-axis; -1 if the mouse wheel is moving north (toward the top of the screen) or 1 if the mouse wheel is moving south (toward the bottom of the screen).
        Returns:
        the sign of the delta of the mouse wheel along the y axis

      • getNativeDeltaY

        public double getNativeDeltaY()
        Get the change in the mouse wheel position along the Y-axis; -1 if the mouse wheel is moving north (toward the top of the screen) or 1 if the mouse wheel is moving south (toward the bottom of the screen). Note that the return values are not normalized for browsers and OSs.
        Returns:
        the sign of the delta of the mouse wheel along the y axis

      • isNorth

        public boolean isNorth()
        Convenience method that returns true if getDeltaY() is a negative value (ie, the velocity is directed toward the top of the screen).
        Returns:
        true if the velocity is directed toward the top of the screen

      • isSouth

        public boolean isSouth()
        Convenience method that returns true if getDeltaY() is a positive value (ie, the velocity is directed toward the bottom of the screen).
        Returns:
        true if the velocity is directed toward the bottom of the screen