[gtk/wip/chergert/quartz4u] macos: implement has_pending vfunc

[Christian Hergert <chergert src gnome org>]

commit 2816580f099918f860c5706547faff86bd55c2e1
Author: Christian Hergert <chergert redhat com>
Date:   Mon May 4 15:43:14 2020 -0700

    macos: implement has_pending vfunc

 gdk/macos/gdkmacosdisplay.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/gdk/macos/gdkmacosdisplay.c b/gdk/macos/gdkmacosdisplay.c
index 1976fae03e..587b3b5268 100644
--- a/gdk/macos/gdkmacosdisplay.c
+++ b/gdk/macos/gdkmacosdisplay.c
@@ -278,8 +278,8 @@ gdk_macos_display_get_next_serial (GdkDisplay *display)
 static gboolean
 gdk_macos_display_has_pending (GdkDisplay *display)
 {
-  g_warning ("Has pending");
-  return FALSE;
+  return _gdk_event_queue_find_first (display) ||
+         _gdk_macos_event_source_check_pending ();
 }
 
 static void