[seahorse] PGP: hint user that key name is not long enough.

[Niels De Graef <nielsdg src gnome org>]

commit 0b857fa086072a070c989984ef1956ea6b7ec957
Author: Niels De Graef <nielsdegraef gmail com>
Date:   Fri Aug 3 02:36:30 2018 +0200

    PGP: hint user that key name is not long enough.
    
    That way, they know why they can't click the create button.
    
    Fixes [bug 395805](https://bugzilla.gnome.org/show_bug.cgi?id=395805).

 pgp/seahorse-gpgme-generate.c | 16 ++++++++++++++--
 1 file changed, 14 insertions(+), 2 deletions(-)
---
diff --git a/pgp/seahorse-gpgme-generate.c b/pgp/seahorse-gpgme-generate.c
index 71b3421d..3060a11f 100644
--- a/pgp/seahorse-gpgme-generate.c
+++ b/pgp/seahorse-gpgme-generate.c
@@ -347,16 +347,28 @@ on_gpgme_generate_entry_changed (GtkEditable *editable,
     SeahorseWidget *swidget = SEAHORSE_WIDGET (user_data);
     GtkWidget *widget;
     gchar *name;
+       gboolean name_long_enough;
 
     /* A 5 character name is required */
     widget = seahorse_widget_get_widget (swidget, "name-entry");
     g_return_if_fail (widget != NULL);
     name = g_strdup (gtk_entry_get_text (GTK_ENTRY (widget)));
-    
+       name_long_enough = name && strlen (g_strstrip (name)) >= 5;
+
+       /* If not, show the user and disable the create button */
+       if (!name_long_enough) {
+               g_object_set (widget,
+                       "secondary-icon-name", "dialog-warning-symbolic",
+                       "secondary-icon-tooltip-text", _("Name must be at least 5 characters long."),
+                       NULL);
+       } else {
+               g_object_set (widget, "secondary-icon-name", NULL, NULL);
+       }
+
     widget = seahorse_widget_get_widget (swidget, "ok");
     g_return_if_fail (widget != NULL);
     
-    gtk_widget_set_sensitive (widget, name && strlen (g_strstrip (name)) >= 5);
+    gtk_widget_set_sensitive (widget, name_long_enough);
     g_free (name);
 }