queue-repaint [Generic Function]
Summary: Requests that a repaint event for the region region be placed in the input queue of the sheet sheet . A program that reads events out of the queue will be expected to call handle-event for the repaint region; the method for that generic function on repaint events will generally call repaint-sheet .
handle-repaint [Generic Function]
Summary: Implements repainting for a given sheet class. It may only be called on a sheet that has an associated medium. sheet and region are as for dispatch-repaint .
repaint-sheet [Generic Function]
Arguments: sheet medium region
Summary: Recursively causes repainting of the sheet sheet and any of its children that overlap the region region . medium is the medium to use for the repainting; if it is nil , handle-repaint will allocate a medium and associate it with the sheet. handle-repaint will call repaint-sheet on sheet , and then call handle-repaint on all of the children of sheet .
Common Lisp Interface Manager 2.0 User's Guide - 7 Aug 2017