[frogr] Don't use deprecated gtk_menu_popup() if GTK+ >= 3.22

[Mario Sanchez Prada <msanchez src gnome org>]

commit 3ddbf7125abacf3d032147d6b5d6e9552d002300
Author: Mario Sanchez Prada <msanchez gnome org>
Date:   Mon May 1 02:10:05 2017 +0100

    Don't use deprecated gtk_menu_popup() if GTK+ >= 3.22

 src/frogr-main-view.c |   14 ++++++++++++++
 1 files changed, 14 insertions(+), 0 deletions(-)
---
diff --git a/src/frogr-main-view.c b/src/frogr-main-view.c
index 1ef6b96..c39f848 100644
--- a/src/frogr-main-view.c
+++ b/src/frogr-main-view.c
@@ -1096,8 +1096,17 @@ _on_icon_view_key_press_event (GtkWidget *widget,
       && self->n_selected_pictures > 0)
     {
       GtkMenu *menu = GTK_MENU (self->pictures_ctxt_menu);
+
+#if GTK_CHECK_VERSION (3, 22, 0)
+      gtk_menu_popup_at_widget (menu,
+                                widget,
+                                GDK_GRAVITY_CENTER,
+                                GDK_GRAVITY_CENTER,
+                                (GdkEvent *) event);
+#else
       gtk_menu_popup (menu, NULL, NULL, NULL, NULL,
                       0, gtk_get_current_event_time ());
+#endif
     }
 
   return FALSE;
@@ -1272,10 +1281,15 @@ _on_icon_view_button_press_event (GtkWidget *widget,
       else if (!is_primary_btn && is_single_click)
         {
           /* Show contextual menu */
+#if GTK_CHECK_VERSION (3, 22, 0)
+          gtk_menu_popup_at_pointer (GTK_MENU (self->pictures_ctxt_menu),
+                                     (GdkEvent *) event);
+#else
           gtk_menu_popup (GTK_MENU (self->pictures_ctxt_menu),
               NULL, NULL, NULL, NULL,
               event->button,
               gtk_get_current_event_time ());
+#endif
         }
 
       /* Free */