set_child_transform
Description:
Sets the transformation for widget.
This is a convenience function that retrieves the [class@Gtk.FixedLayoutChild] instance associated to widget and calls [
method@Gtk.FixedLayoutChild.set_transform].
Parameters:
| this |
a `GtkFixed` |
| widget |
a `GtkWidget`, child of this |
| transform |
the transformation assigned to |