ScheduleItem
Name
ScheduleItem --  A canvas item for displaying the time structure of a schedule.
Description
 A CompositeCanvasItem for displaying the time structure of a schedule.
Methods
Phase: Creating
- -  setX:-  (int) x Y:-  (int) y-  Position the item on the canvas. 
- -  setStep:-  (unsigned) step-  Set the horizontal spacing of a time step. 
- -  setSchedule: schedule-  Set the schedule to be inspected. 
Phase: Using
- - (void) trigger: widget X:-  (int) x Y:-  (int) y-  Send visual message indicator from browser to some target. 
- - (void) at:-  (timeval_t) tval owner: owner widget: widget x:-  (int) sourceX y:-  (int) sourceY-  Record the screen coordinates associated with a scheduling event. 
- - (void) update-  Redraw widget with current values from Schedule.