It is worth mentioning that the effective %GTK_STATE_FLAG_INSENSITIVE
state will be returned, that is, also based on parent insensitivity,
even if @widget itself is sensitive.
Also note that if you are looking for a way to obtain the
[flags@Gtk.StateFlags] to pass to a [class@Gtk.StyleContext]
method, you should look at [method@Gtk.StyleContext.get_state].
Returns the widget state as a flag set.
It is worth mentioning that the effective %GTK_STATE_FLAG_INSENSITIVE state will be returned, that is, also based on parent insensitivity, even if @widget itself is sensitive.
Also note that if you are looking for a way to obtain the [flags@Gtk.StateFlags] to pass to a [class@Gtk.StyleContext] method, you should look at [method@Gtk.StyleContext.get_state].