ConstraintLayout.addConstraint

void addConstraint(gtk.constraint.Constraint constraint)

Adds a constraint to the layout manager.

The [gtk.constraint.Constraint.source] and [gtk.constraint.Constraint.target] properties of constraint can be:

  • set to NULL to indicate that the constraint refers to the

widget using layout

  • set to the [gtk.widget.Widget] using layout
  • set to a child of the [gtk.widget.Widget] using layout
  • set to a [gtk.constraint_guide.ConstraintGuide] that is part of layout

The layout acquires the ownership of constraint after calling this function.

Parameters

constrainta [gtk.constraint.Constraint]