5.3 DUIM-Sheets Module
do-children-containing-position
Generic function
Summary
Invokes a function on any children that occupy a specified position in the specified sheet.
Signature
do-children-containing-position function sheet x y => ()
Arguments
- function
- An instance of type
<function>. - sheet
- An instance of type
<sheet>. - x
- An instance of type
<real>. - y
- An instance of type
<real>.
Values
None
Library
duim-sheets
Module
duim-sheets
Description
Invokes function on any children that occupy position (x, y) in sheet. This is used by child-containing-position to ascertain which children occupy the position. The function child-containing-position then decides which of the children returned is the topmost direct enabled child.