Generic Function

Summary

The generic function pinboard-object-at-position returns the uppermost pinboard object containing a specified point.

Package

capi

Signature

pinboard-object-at-position pinboard x y

Description

This function returns the uppermost pinboard object in the pinboard that contains the point specified by x and y . It determines this by mapping over every pinboard object within the pinboard until it finds one for which the generic function over-pinboard-object-p returns t.

Example

(setq pinboard 

      (capi:contain 

       (make-instance 

        'capi:pinboard-layout)

       :best-width 300

       :best-height 300))

(make-instance 'capi:item-pinboard-object

               :text "Hello world"

               :x 100 :y 100

               :parent pinboard)

(capi:pinboard-object-at-position pinboard 0 0)

(capi:pinboard-object-at-position pinboard 110 110)

See also

over-pinboard-object-p
pinboard-object-overlap-p
pinboard-object
pinboard-layout