[gtk/matthiasc/for-master: 1/2] text history: Update state when enabled changes

[Matthias Clasen <matthiasc src gnome org>]

commit 4d45c2669cff32c9d9855ba08f7841975ac585f1
Author: Matthias Clasen <mclasen redhat com>
Date:   Sun Sep 6 16:59:56 2020 -0400

    text history: Update state when enabled changes
    
    This makes can-undo go FALSE when we disable the
    text history, as it should.

 gtk/gtktexthistory.c | 2 ++
 1 file changed, 2 insertions(+)
---
diff --git a/gtk/gtktexthistory.c b/gtk/gtktexthistory.c
index fc80b892a5..645d1822eb 100644
--- a/gtk/gtktexthistory.c
+++ b/gtk/gtktexthistory.c
@@ -1037,6 +1037,8 @@ gtk_text_history_set_enabled (GtkTextHistory *self,
           clear_action_queue (&self->undo_queue);
           clear_action_queue (&self->redo_queue);
         }
+
+      gtk_text_history_update_state (self);
     }
 }