[recipes] Fix a corner-case in the chef dialog

[Matthias Clasen <matthiasc src gnome org>]

commit a412074cfc1174aa7828c897457b7dfb8b0dc1c7
Author: Matthias Clasen <mclasen redhat com>
Date:   Tue Jan 31 13:46:03 2017 +0100

    Fix a corner-case in the chef dialog
    
    When it is possible to switch between chefs, but the selected
    chef is readonly, we still need to enable the save button.

 src/gr-chef-dialog.c |   16 ++++++++++++----
 1 files changed, 12 insertions(+), 4 deletions(-)
---
diff --git a/src/gr-chef-dialog.c b/src/gr-chef-dialog.c
index f5ec8e3..d6349f9 100644
--- a/src/gr-chef-dialog.c
+++ b/src/gr-chef-dialog.c
@@ -249,14 +249,12 @@ gr_chef_dialog_set_chef (GrChefDialog *self,
                         gtk_widget_set_sensitive (self->name, FALSE);
                         gtk_widget_set_sensitive (self->description, FALSE);
                         gtk_widget_set_sensitive (self->button, FALSE);
-                        gtk_widget_set_sensitive (self->save_button, FALSE);
                 }
                 else {
                         gtk_widget_set_sensitive (self->fullname, TRUE);
                         gtk_widget_set_sensitive (self->name, TRUE);
                         gtk_widget_set_sensitive (self->description, TRUE);
                         gtk_widget_set_sensitive (self->button, TRUE);
-                        gtk_widget_set_sensitive (self->save_button, TRUE);
                 }
 
                 update_image (self);
@@ -391,8 +389,18 @@ void
 gr_chef_dialog_can_create (GrChefDialog *dialog,
                            gboolean      create)
 {
-        gtk_widget_set_visible (dialog->create_button, create);
-        populate_chef_list (dialog);
+        if (create) {
+                gtk_widget_show (dialog->create_button);
+                populate_chef_list (dialog);
+        }
+        else {
+                gtk_widget_hide (dialog->create_button);
+
+                if (gr_chef_is_readonly (dialog->chef))
+                        gtk_widget_set_sensitive (dialog->save_button, FALSE);
+                else
+                        gtk_widget_set_sensitive (dialog->save_button, TRUE);
+        }
 }
 
 GrChef *