constraint layout: Notice when guides change

We need to queue a resize here.

diff --git a/gtk/gtkconstraintguide.c b/gtk/gtkconstraintguide.c
index 608c253fcec211600cd8e13bb5aa10537588e17b..00fb30eb82e65981fd8e184546a8def2805e517c 100644 (file)
--- a/gtk/gtkconstraintguide.c
+++ b/gtk/gtkconstraintguide.c
@@ -166,6 +166,8 @@ gtk_constraint_guide_update_constraint (GtkConstraintGuide *guide,
                                               gtk_constraint_expression_new (guide->values[index]),
                                               GTK_CONSTRAINT_WEIGHT_REQUIRED);
     }
+
+  gtk_layout_manager_layout_changed (GTK_LAYOUT_MANAGER (guide->layout));
 }
 
 void