[recipes] Fix some regressions in ingredient list handling

[Matthias Clasen <matthiasc src gnome org>]

commit 6314c64ed24b7f8ca953eed80edbd4b2b30e61d2
Author: Matthias Clasen <mclasen redhat com>
Date:   Sun May 7 21:36:01 2017 -0400

    Fix some regressions in ingredient list handling
    
    Bring back the behavior where we allow editing list titles if
    there is more than one list, but default to "Ingredients" for
    the case of a single list.

 src/gr-edit-page.c |   25 ++++++++++++++++++++++---
 1 files changed, 22 insertions(+), 3 deletions(-)
---
diff --git a/src/gr-edit-page.c b/src/gr-edit-page.c
index e42cfce..835578a 100644
--- a/src/gr-edit-page.c
+++ b/src/gr-edit-page.c
@@ -1158,9 +1158,27 @@ get_spiciness (GrEditPage *page)
 }
 
 static void
-remove_list2 (GrIngredientsViewer *viewer, GrEditPage *page)
+update_editable_titles (GrEditPage *page)
+{
+        GList *children, *l;
+        gboolean editable_title;
+
+        children = gtk_container_get_children (GTK_CONTAINER (page->ingredients_box));
+
+        editable_title = children->next != NULL;
+
+        for (l = children; l; l = l->next) {
+                GrIngredientsViewer *list = l->data;
+                g_object_set (list, "editable-title", editable_title, NULL);
+        }
+        g_list_free (children);
+}
+
+static void
+remove_list (GrIngredientsViewer *viewer, GrEditPage *page)
 {
         gtk_widget_destroy (GTK_WIDGET (viewer));
+        update_editable_titles (page);
 }
 
 static void
@@ -1203,7 +1221,7 @@ add_list_full (GrEditPage *page,
         g_signal_connect_swapped (list, "notify::title", G_CALLBACK (set_unsaved), page);
         g_signal_connect_swapped (list, "notify::ingredients", G_CALLBACK (set_unsaved), page);
         g_signal_connect (list, "notify::active", G_CALLBACK (active_changed), page);
-        g_signal_connect (list, "delete", G_CALLBACK (remove_list2), page);
+        g_signal_connect (list, "delete", G_CALLBACK (remove_list), page);
 
         gtk_container_add (GTK_CONTAINER (page->ingredients_box), list);
 }
@@ -1212,6 +1230,7 @@ static void
 add_list (GrEditPage *page)
 {
         add_list_full (page, "", "", TRUE);
+        update_editable_titles (page);
 }
 
 static void
@@ -1221,7 +1240,7 @@ populate_ingredients (GrEditPage *page,
         container_remove_all (GTK_CONTAINER (page->ingredients_box));
 
         if (strcmp (text, "") == 0) {
-                add_list_full (page, "", "", FALSE);
+                add_list_full (page, _("Ingredients"), "", FALSE);
         }
         else {
                 g_autoptr(GrIngredientsList) ingredients = NULL;