Accessor widget-layout-manager - cl-cffi-gtk4 API documentation

Package: gtk

Accessor gtk:widget-layout-manager

Lambda List

gtk:widget-layout-manager (object)

Syntax

(gtk:widget-layout-manager object) => manager
(setf (gtk:widget-layout-manager object) manager)

Arguments

object -- a gtk:widget object
manager -- a gtk:layout-manager object

Details

The accessor for the layout-manager slot of the gtk:widget class gets or sets the layout manager delegate instance that provides an implementation for measuring and allocating the children of the widget.

Examples

Get the layout manager for a button and a grid:

(gtk:widget-layout-manager (make-instance 'gtk:button))
=> #<GTK:BIN-LAYOUT {1005DDB073}>
(gtk:widget-layout-manager (make-instance 'gtk:grid))
=> #<GTK:GRID-LAYOUT {1005DD9863}>