[gtk/readonly-events-1: 29/32] display: Stop using gdk_event_copy

[Matthias Clasen <matthiasc src gnome org>]

commit 2779cff248306d357ab4e7a318084bf5367c4b4a
Author: Matthias Clasen <mclasen redhat com>
Date:   Sat Feb 15 14:19:50 2020 -0500

    display: Stop using gdk_event_copy
    
    Events are effectively readonly in GDK now, so we can just
    take a reference, no need for a copy.

 gdk/gdkdisplay.c | 17 ++++-------------
 1 file changed, 4 insertions(+), 13 deletions(-)
---
diff --git a/gdk/gdkdisplay.c b/gdk/gdkdisplay.c
index 91c303688a..cb0a5eaa24 100644
--- a/gdk/gdkdisplay.c
+++ b/gdk/gdkdisplay.c
@@ -89,8 +89,6 @@ enum {
 
 static void gdk_display_dispose     (GObject         *object);
 static void gdk_display_finalize    (GObject         *object);
-static void gdk_display_put_event_nocopy (GdkDisplay *display,
-                                          GdkEvent   *event);
 
 
 static GdkAppLaunchContext *gdk_display_real_get_app_launch_context (GdkDisplay *display);
@@ -476,19 +474,12 @@ gdk_display_peek_event (GdkDisplay *display)
   return NULL;
 }
 
-static void
-gdk_display_put_event_nocopy (GdkDisplay *display,
-                              GdkEvent   *event)
-{
-  _gdk_event_queue_append (display, event);
-}
-
 /**
  * gdk_display_put_event:
  * @display: a #GdkDisplay
- * @event: a #GdkEvent.
+ * @event (transfer none): a #GdkEvent.
  *
- * Appends a copy of the given event onto the front of the event
+ * Appends the given event onto the front of the event
  * queue for @display.
  **/
 void
@@ -498,7 +489,7 @@ gdk_display_put_event (GdkDisplay     *display,
   g_return_if_fail (GDK_IS_DISPLAY (display));
   g_return_if_fail (event != NULL);
 
-  gdk_display_put_event_nocopy (display, gdk_event_copy (event));
+  _gdk_event_queue_append (display, gdk_event_ref ((GdkEvent *)event));
 }
 
 static void
@@ -520,7 +511,7 @@ generate_grab_broken_event (GdkDisplay *display,
                                          grab_surface,
                                          implicit);
 
-      gdk_display_put_event_nocopy (display, event);
+      _gdk_event_queue_append (display, event);
     }
 }