-- ViewerAdjust.tip; Last Edited by McGregor, September 14, 1982 9:05 am
-- Copyright Ó 1991 by Xerox Corporation. All rights reserved.
-- Last Edited by: Maxwell, May 20, 1983 8:01 am

SELECT TRIGGER FROM

Mouse => Coords, Move;

Red Up => Coords, End;
Red Down => SELECT ENABLE FROM
 Blue Down => Abort;
 Yellow Down => Abort;
 ENDCASE;

Yellow Up => Coords, End;
Yellow Down => SELECT ENABLE FROM
 Blue Down => Abort;
 Red Down => Abort;
 ENDCASE;

Blue Up => Coords, End;
Blue Down => SELECT ENABLE FROM
 Red Down => Abort;
 Yellow Down => Abort;
 ENDCASE;

ENDCASE.