[seahorse] catalog: don't use deprecated Gtk.Menu.popup()

[Niels De Graef <nielsdg src gnome org>]

commit aff8d432ed427c44f790229cc663d2e1a0001942
Author: Niels De Graef <nielsdegraef gmail com>
Date:   Mon Aug 13 22:43:30 2018 +0200

    catalog: don't use deprecated Gtk.Menu.popup()

 common/catalog.vala              | 27 +++++++++++----------------
 pgp/seahorse-keyserver-results.c |  4 ++--
 src/key-manager.vala             |  4 ++--
 3 files changed, 15 insertions(+), 20 deletions(-)
---
diff --git a/common/catalog.vala b/common/catalog.vala
index 44130ee0..62895129 100644
--- a/common/catalog.vala
+++ b/common/catalog.vala
@@ -193,22 +193,17 @@ public abstract class Catalog : Gtk.ApplicationWindow {
                Viewable.view(obj, this);
        }
 
-       public void show_context_menu(string name,
-                                     uint button,
-                                     uint time)
-       {
-               var path = "/%s".printf(name);
-               var menu = this._ui_manager.get_widget(path);
-
-               if (menu == null)
-                       return;
-               if (menu is Gtk.Menu) {
-                       ((Gtk.Menu)menu).popup(null, null, null, button, time);
-                       menu.show();
-               } else {
-                       GLib.warning("the object /%s isn't a menu", name);
-               }
-       }
+    public void show_context_menu(string name, Gdk.Event? event) {
+        var widget = this._ui_manager.get_widget("/%s".printf(name));
+
+        Gtk.Menu? menu = widget as Gtk.Menu;
+        if (menu == null) {
+            warning("the object /%s isn't a menu", name);
+            return;
+        }
+        menu.popup_at_pointer(event);
+        menu.show();
+    }
 
        private GLib.List<Gtk.ActionGroup> lookup_actions_for_objects (GLib.List<GLib.Object> objects) {
                var table = new GLib.HashTable<Gtk.ActionGroup, weak Gtk.ActionGroup>(GLib.direct_hash, 
GLib.direct_equal);
diff --git a/pgp/seahorse-keyserver-results.c b/pgp/seahorse-keyserver-results.c
index 0bf404d9..eee6a2c1 100644
--- a/pgp/seahorse-keyserver-results.c
+++ b/pgp/seahorse-keyserver-results.c
@@ -109,7 +109,7 @@ on_key_list_button_pressed (GtkTreeView* view, GdkEventButton* event, SeahorseKe
        if (event->button == 3)
                seahorse_catalog_show_context_menu (SEAHORSE_CATALOG (self),
                                                   SEAHORSE_CATALOG_MENU_OBJECT,
-                                                  event->button, event->time);
+                                                  event);
        return FALSE;
 }
 
@@ -125,7 +125,7 @@ on_key_list_popup_menu (GtkTreeView* view, SeahorseKeyserverResults* self)
        if (objects != NULL)
                seahorse_catalog_show_context_menu (SEAHORSE_CATALOG (self),
                                                   SEAHORSE_CATALOG_MENU_OBJECT,
-                                                  0, gtk_get_current_event_time ());
+                                                  NULL);
        g_list_free (objects);
        return TRUE;
 }
diff --git a/src/key-manager.vala b/src/key-manager.vala
index e4710ebd..9768b8cc 100644
--- a/src/key-manager.vala
+++ b/src/key-manager.vala
@@ -195,7 +195,7 @@ public class Seahorse.KeyManager : Catalog {
 
     private bool on_keymanager_key_list_button_pressed(Gdk.EventButton event) {
         if (event.button == 3)
-            show_context_menu(Catalog.MENU_OBJECT, event.button, event.time);
+            show_context_menu(Catalog.MENU_OBJECT, event);
 
         return false;
     }
@@ -203,7 +203,7 @@ public class Seahorse.KeyManager : Catalog {
     private bool on_keymanager_key_list_popup_menu() {
         GLib.List<GLib.Object> objects = get_selected_objects();
         if (objects != null)
-            show_context_menu(Catalog.MENU_OBJECT, 0, Gtk.get_current_event_time());
+            show_context_menu(Catalog.MENU_OBJECT, null);
         return false;
     }