Flags the widget for a rerun of the GtkWidgetClass::size_allocate function.
Use this function instead of [method@Gtk.Widget.queue_resize] when the @widget's size request didn't change but it wants to reposition its contents.
An example user of this function is [method@Gtk.Widget.set_halign].
This function is only for use in widget implementations.
See Implementation
Flags the widget for a rerun of the GtkWidgetClass::size_allocate function.
Use this function instead of [method@Gtk.Widget.queue_resize] when the @widget's size request didn't change but it wants to reposition its contents.
An example user of this function is [method@Gtk.Widget.set_halign].
This function is only for use in widget implementations.