[gtk/matthiasc/for-master] gdk: Drop an unused function

[Matthias Clasen <matthiasc src gnome org>]

commit 17e6ee02a1ae2bddf8502f518bf74632f2f602e6
Author: Matthias Clasen <mclasen redhat com>
Date:   Wed Oct 7 19:36:07 2020 -0400

    gdk: Drop an unused function
    
    No users of gdk_display_peek_event, so drop it.

 gdk/gdkdisplay.c        | 33 +++------------------------------
 gdk/gdkdisplayprivate.h |  1 -
 2 files changed, 3 insertions(+), 31 deletions(-)
---
diff --git a/gdk/gdkdisplay.c b/gdk/gdkdisplay.c
index 279827fc86..8241764ea1 100644
--- a/gdk/gdkdisplay.c
+++ b/gdk/gdkdisplay.c
@@ -408,13 +408,13 @@ gdk_display_is_closed  (GdkDisplay  *display)
   return display->closed;
 }
 
-/**
+/*<private>
  * gdk_display_get_event:
  * @display: a #GdkDisplay
- * 
+ *
  * Gets the next #GdkEvent to be processed for @display, fetching events from the
  * windowing system if necessary.
- * 
+ *
  * Returns: (nullable) (transfer full): the next #GdkEvent to be processed,
  *   or %NULL if no events are pending
  */
@@ -429,33 +429,6 @@ gdk_display_get_event (GdkDisplay *display)
   return _gdk_event_unqueue (display);
 }
 
-/**
- * gdk_display_peek_event:
- * @display: a #GdkDisplay 
- * 
- * Gets a copy of the first #GdkEvent in the @display’s event queue, without
- * removing the event from the queue.  (Note that this function will
- * not get more events from the windowing system.  It only checks the events
- * that have already been moved to the GDK event queue.)
- * 
- * Returns: (nullable) (transfer full): the first #GdkEvent on the
- *   event queue
- **/
-GdkEvent *
-gdk_display_peek_event (GdkDisplay *display)
-{
-  GList *tmp_list;
-
-  g_return_val_if_fail (GDK_IS_DISPLAY (display), NULL);
-
-  tmp_list = _gdk_event_queue_find_first (display);
-  
-  if (tmp_list != NULL)
-    return gdk_event_ref (tmp_list->data);
-
-  return NULL;
-}
-
 /**
  * gdk_display_put_event:
  * @display: a #GdkDisplay
diff --git a/gdk/gdkdisplayprivate.h b/gdk/gdkdisplayprivate.h
index 3add2aa31f..f9ef10df74 100644
--- a/gdk/gdkdisplayprivate.h
+++ b/gdk/gdkdisplayprivate.h
@@ -241,7 +241,6 @@ void                gdk_display_setting_changed       (GdkDisplay       *display
                                                        const char       *name);
 
 GdkEvent *          gdk_display_get_event             (GdkDisplay       *display);
-GdkEvent *          gdk_display_peek_event            (GdkDisplay       *display);
 gboolean            gdk_display_has_pending           (GdkDisplay       *display);
 
 GdkKeymap *  gdk_display_get_keymap  (GdkDisplay *display);