[accounts-dialog] Pay attention to PolicyKit changes

[Matthias Clasen <matthiasc src gnome org>]

commit b407743a2092b26b1f7c2795f0ef91b27e7e4bbc
Author: Matthias Clasen <mclasen redhat com>
Date:   Wed Jan 20 13:30:39 2010 -0500

    Pay attention to PolicyKit changes
    
    ...and update widget sensitivity/visibility.

 src/main.c |   30 ++++++++++++++++++++++++------
 1 files changed, 24 insertions(+), 6 deletions(-)
---
diff --git a/src/main.c b/src/main.c
index 43db271..668b508 100644
--- a/src/main.c
+++ b/src/main.c
@@ -608,14 +608,15 @@ update_add_button (GObject           *source,
                 g_object_unref (result);
         }
 
-        if (!is_authorized) {
-                gtk_widget_set_sensitive (get_widget (d, "add-user-button"), FALSE);
-        }
+        gtk_widget_set_sensitive (get_widget (d, "add-user-button"), is_authorized);
 
         if (!gtk_widget_is_sensitive (get_widget (d, "add-user-button")) &&
             !gtk_widget_is_sensitive (get_widget (d, "delete-user-button"))) {
                 gtk_widget_hide (get_widget (d, "add-delete-buttonbox"));
         }
+	else {
+        	gtk_widget_show (get_widget (d, "add-delete-buttonbox"));
+	}
 }
 
 static void
@@ -647,14 +648,15 @@ update_delete_button (GObject           *source,
                 g_object_unref (result);
         }
 
-        if (!is_authorized) {
-                gtk_widget_set_sensitive (get_widget (d, "delete-user-button"), FALSE);
-        }
+        gtk_widget_set_sensitive (get_widget (d, "delete-user-button"), is_authorized);
 
         if (!gtk_widget_is_sensitive (get_widget (d, "add-user-button")) &&
             !gtk_widget_is_sensitive (get_widget (d, "delete-user-button"))) {
                 gtk_widget_hide (get_widget (d, "add-delete-buttonbox"));
         }
+	else {
+        	gtk_widget_show (get_widget (d, "add-delete-buttonbox"));
+	}
 }
 
 static void
@@ -685,6 +687,20 @@ update_create_buttons (UserAccountDialog *d)
 }
 
 static void
+authorizations_changed (PolkitAuthority *authority,
+			gpointer         data)
+{
+	UserAccountDialog *d = data;
+        UmUser *user;
+
+	update_create_buttons (d);
+        user = get_selected_user (d);
+	if (user) {
+		update_change_buttons (d, user);
+	}
+}
+
+static void
 selected_user_changed (GtkTreeSelection *selection, UserAccountDialog *d)
 {
         GtkWidget *widget;
@@ -1129,6 +1145,8 @@ main (int argc, char *argv[])
         }
 
         d->authority = polkit_authority_get ();
+	g_signal_connect (d->authority, "changed",
+			  G_CALLBACK (authorizations_changed), d);
 
         setup_main_window (d);
         d->login_options = um_login_options_new (d->builder);