Method setLayer

shared/java/Window.java:56–69

(@Nullable Layer layer)

    }

    @NotNull @Contract("-> this")
    public Window setLayer(@Nullable Layer layer) {
        assert _onUIThread() : "Should be run on UI thread";
        if (_layer != null) {
            _layer.close();
            _layer = null;
        }
        if (layer != null) {
            layer.attach(this);
            _layer = layer;
            accept(EventWindowScreenChange.INSTANCE);
        }
        return this;
    }

    /**
     * <p>Enables complex text input on this window.</p>