5.3 DUIM-Sheets Module
child-containing-position
Generic function
Summary
Returns the topmost child of the specified sheet that occupies a specified position.
Signature
child-containing-position sheet x y => value
Arguments
- sheet
- An instance of type
<sheet>. - x
- An instance of type
<real>. - y
- An instance of type
<real>.
Values
- value
- An instance of type
false-or(<sheet>).
Library
duim-sheets
Module
duim-sheets
Description
Returns the topmost enabled direct child of sheet whose region contains the position (x,y). The position is expressed in the coordinate system used by sheet.