[gtk/readonly-events-1] Stop exporting gtk_get_event_widget

[Matthias Clasen <matthiasc src gnome org>]

commit 36df45d925467ad8d35c42b2ff5b49491e052ada
Author: Matthias Clasen <mclasen redhat com>
Date:   Thu Feb 20 21:28:05 2020 -0500

    Stop exporting gtk_get_event_widget
    
    This is non-essential convenience API, and we
    don't really expose events to applications anymore.

 gtk/gtkmain.h    | 2 --
 gtk/gtkprivate.h | 2 ++
 2 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/gtk/gtkmain.h b/gtk/gtkmain.h
index f253dae595..f6e8ae2b04 100644
--- a/gtk/gtkmain.h
+++ b/gtk/gtkmain.h
@@ -131,8 +131,6 @@ gboolean   gtk_get_current_event_state  (GdkModifierType *state);
 GDK_AVAILABLE_IN_ALL
 GdkDevice *gtk_get_current_event_device (void);
 
-GDK_AVAILABLE_IN_ALL
-GtkWidget *gtk_get_event_widget         (GdkEvent  *event);
 
 G_END_DECLS
 
diff --git a/gtk/gtkprivate.h b/gtk/gtkprivate.h
index 13bbc058e1..2d42f384bf 100644
--- a/gtk/gtkprivate.h
+++ b/gtk/gtkprivate.h
@@ -97,6 +97,8 @@ gboolean   gtk_propagate_event          (GtkWidget       *widget,
                                          GdkEvent        *event);
 void       gtk_main_do_event       (GdkEvent           *event);
 
+GtkWidget *gtk_get_event_widget         (GdkEvent  *event);
+
 gdouble _gtk_get_slowdown (void);
 void    _gtk_set_slowdown (gdouble slowdown_factor);