Generic Function

Summary

Gets and sets the location of an object inside its parent static-layout.

Package

capi

Signature

static-layout-child-position self => x , y

setf (static-layout-child-position self ) (values x y ) => x , y

Arguments

self

A static-layout or simple-pane.

Values

x , y

The horizontal and vertical coordinates in the static-layout parent of self .

Description

The generic function static-layout-child-position returns as multiple values x , y the coordinates of self inside its parent static-layout.

There is also a setf expansion which sets the location of self in its parent.

Example

(let* ((po (make-instance 'capi:item-pinboard-object 

                          :text "5x5" :x 5 :y 5

                          :graphics-args 

                          '(:background :red)))

       (pl (capi:contain 

            (make-instance 'capi:pinboard-layout 

                           :description (list po)

                           :visible-min-width 200

                           :visible-min-height 200))))

  (capi:execute-with-interface

   (capi:element-interface pl)

   #'(lambda (po)

       (dotimes (x 20)

         (mp:wait-processing-events 1)

         (let ((new-x (* (1+ x) 10))

               (new-y (* 5 (+ 2 x))))

           (setf (capi:item-text po)

                 (format nil "~ax~a" new-x new-y))

           (setf (capi:static-layout-child-position po)

                 (values new-x new-y)))))

   po))

See also

static-layout
static-layout-child-size