[gtk+] widget: Stop using ::map-event

[Matthias Clasen <matthiasc src gnome org>]

commit 1e0ae936feda6eb397d4e31ccf58396589279d16
Author: Matthias Clasen <mclasen redhat com>
Date:   Mon Jan 1 16:57:55 2018 -0500

    widget: Stop using ::map-event
    
    Use ::event here, since we want to drop the event-specific
    signals.

 gtk/gtkwidget.c |   17 +++++++++++------
 1 files changed, 11 insertions(+), 6 deletions(-)
---
diff --git a/gtk/gtkwidget.c b/gtk/gtkwidget.c
index eae51de..5bf6794 100644
--- a/gtk/gtkwidget.c
+++ b/gtk/gtkwidget.c
@@ -3983,13 +3983,18 @@ gtk_widget_real_show (GtkWidget *widget)
     }
 }
 
-static void
+static gboolean
 gtk_widget_show_map_callback (GtkWidget *widget, GdkEvent *event, gint *flag)
 {
-  *flag = TRUE;
-  g_signal_handlers_disconnect_by_func (widget,
-                                       gtk_widget_show_map_callback,
-                                       flag);
+  if (gdk_event_get_event_type (event) == GDK_MAP)
+    {
+      *flag = TRUE;
+      g_signal_handlers_disconnect_by_func (widget,
+                                            gtk_widget_show_map_callback,
+                                           flag);
+    }
+
+  return FALSE;
 }
 
 /**
@@ -4015,7 +4020,7 @@ gtk_widget_show_now (GtkWidget *widget)
     {
       gtk_widget_show (widget);
 
-      g_signal_connect (widget, "map-event",
+      g_signal_connect (widget, "event",
                        G_CALLBACK (gtk_widget_show_map_callback),
                        &flag);