The GtkConstraintTarget interface is implemented by objects that can be used as source or target in GtkConstraints.
Besides GtkWidget, it is also implemented by GtkConstraintGuide.
Get the main Gtk struct
the main Gtk struct as a void*
See Implementation
The GtkConstraintTarget interface is implemented by objects that can be used as source or target in GtkConstraints.
Besides GtkWidget, it is also implemented by GtkConstraintGuide.