[gtk/matthiasc/for-master] gdk: Drop some unused private api

[Matthias Clasen <matthiasc src gnome org>]

commit aaf7a4722977e64d14d4d9122618d7da54ba006e
Author: Matthias Clasen <mclasen redhat com>
Date:   Wed Oct 7 19:36:07 2020 -0400

    gdk: Drop some unused private api
    
    No users of gdk_display_peek_event, gdk_display_has_pending
    _gdk_display_event_data_copy or _gdk_display_event_data_free,
    so drop all of these, and related vfuncs.

 gdk/gdkdisplay.c        | 80 ++-----------------------------------------------
 gdk/gdkdisplayprivate.h |  7 -----
 gdk/gdkevents.c         |  4 ---
 3 files changed, 3 insertions(+), 88 deletions(-)
---
diff --git a/gdk/gdkdisplay.c b/gdk/gdkdisplay.c
index 279827fc86..8fccd2a521 100644
--- a/gdk/gdkdisplay.c
+++ b/gdk/gdkdisplay.c
@@ -131,19 +131,6 @@ gdk_display_real_opened (GdkDisplay *display)
   _gdk_display_manager_add_display (gdk_display_manager_get (), display);
 }
 
-static void
-gdk_display_real_event_data_copy (GdkDisplay     *display,
-                                  GdkEvent       *src,
-                                  GdkEvent       *dst)
-{
-}
-
-static void
-gdk_display_real_event_data_free (GdkDisplay     *display,
-                                  GdkEvent       *dst)
-{
-}
-
 static GdkSeat *
 gdk_display_real_get_default_seat (GdkDisplay *display)
 {
@@ -165,8 +152,6 @@ gdk_display_class_init (GdkDisplayClass *class)
   class->get_app_launch_context = gdk_display_real_get_app_launch_context;
   class->opened = gdk_display_real_opened;
   class->make_default = gdk_display_real_make_default;
-  class->event_data_copy = gdk_display_real_event_data_copy;
-  class->event_data_free = gdk_display_real_event_data_free;
   class->get_default_seat = gdk_display_real_get_default_seat;
 
   /**
@@ -408,13 +393,13 @@ 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 +414,6 @@ 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
@@ -1113,23 +1071,6 @@ gdk_display_open (const char *display_name)
                                            display_name);
 }
 
-/**
- * gdk_display_has_pending:
- * @display: a #GdkDisplay
- *
- * Returns whether the display has events that are waiting
- * to be processed.
- *
- * Returns: %TRUE if there are events ready to be processed.
- */
-gboolean
-gdk_display_has_pending (GdkDisplay *display)
-{
-  g_return_val_if_fail (GDK_IS_DISPLAY (display), FALSE);
-
-  return GDK_DISPLAY_GET_CLASS (display)->has_pending (display);
-}
-
 gulong
 _gdk_display_get_next_serial (GdkDisplay *display)
 {
@@ -1193,21 +1134,6 @@ _gdk_display_unpause_events (GdkDisplay *display)
   display->event_pause_count--;
 }
 
-void
-_gdk_display_event_data_copy (GdkDisplay     *display,
-                              GdkEvent       *event,
-                              GdkEvent       *new_event)
-{
-  GDK_DISPLAY_GET_CLASS (display)->event_data_copy (display, event, new_event);
-}
-
-void
-_gdk_display_event_data_free (GdkDisplay *display,
-                              GdkEvent   *event)
-{
-  GDK_DISPLAY_GET_CLASS (display)->event_data_free (display, event);
-}
-
 GdkSurface *
 gdk_display_create_surface (GdkDisplay     *display,
                             GdkSurfaceType  surface_type,
diff --git a/gdk/gdkdisplayprivate.h b/gdk/gdkdisplayprivate.h
index 3add2aa31f..5484f93792 100644
--- a/gdk/gdkdisplayprivate.h
+++ b/gdk/gdkdisplayprivate.h
@@ -135,11 +135,6 @@ struct _GdkDisplayClass
                                                          const char *startup_id);
   const char *              (*get_startup_notification_id) (GdkDisplay  *display);
 
-  void                       (*event_data_copy) (GdkDisplay     *display,
-                                                 GdkEvent       *event,
-                                                 GdkEvent       *new_event);
-  void                       (*event_data_free) (GdkDisplay     *display,
-                                                 GdkEvent       *event);
   GdkSurface *               (*create_surface) (GdkDisplay     *display,
                                                 GdkSurfaceType  surface_type,
                                                 GdkSurface     *parent,
@@ -241,8 +236,6 @@ 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);
 
diff --git a/gdk/gdkevents.c b/gdk/gdkevents.c
index e1b78a3de9..c768d22f23 100644
--- a/gdk/gdkevents.c
+++ b/gdk/gdkevents.c
@@ -147,10 +147,6 @@ value_event_lcopy_value (const GValue *value,
 static void
 gdk_event_finalize (GdkEvent *self)
 {
-  GdkDisplay *display = gdk_event_get_display (self);
-  if (display != NULL)
-    _gdk_display_event_data_free (display, self);
-
   g_clear_object (&self->surface);
   g_clear_object (&self->device);