[gtk+] Avoid emitting ::style-set by name

[Matthias Clasen <matthiasc src gnome org>]

commit 0f116135f4a5033ce4e9dfa19f10624701fa615c
Author: Matthias Clasen <mclasen redhat com>
Date:   Fri May 6 10:12:14 2016 -0400

    Avoid emitting ::style-set by name
    
    GtkStyle is deprecated, but we still emit ::style-set quite
    a bit, so lets at least not be slow while doing it.

 gtk/deprecated/gtkstyle.c |    2 --
 gtk/gtkwidget.c           |    5 +++--
 2 files changed, 3 insertions(+), 4 deletions(-)
---
diff --git a/gtk/deprecated/gtkstyle.c b/gtk/deprecated/gtkstyle.c
index 7bef213..403c460 100644
--- a/gtk/deprecated/gtkstyle.c
+++ b/gtk/deprecated/gtkstyle.c
@@ -4154,8 +4154,6 @@ gtk_widget_ensure_style (GtkWidget *widget)
     {
       g_object_unref (style);
       _gtk_widget_set_style (widget, NULL);
-
-      g_signal_emit_by_name (widget, "style-set", 0, NULL);
     }
 }
 
diff --git a/gtk/gtkwidget.c b/gtk/gtkwidget.c
index 473dc5b..f8f08ee 100644
--- a/gtk/gtkwidget.c
+++ b/gtk/gtkwidget.c
@@ -5439,9 +5439,9 @@ gtk_widget_realize (GtkWidget *widget)
       if (priv->parent && !_gtk_widget_get_realized (priv->parent))
        gtk_widget_realize (priv->parent);
 
-      G_GNUC_BEGIN_IGNORE_DEPRECATIONS;
+      G_GNUC_BEGIN_IGNORE_DEPRECATIONS
       gtk_widget_ensure_style (widget);
-      G_GNUC_END_IGNORE_DEPRECATIONS;
+      G_GNUC_END_IGNORE_DEPRECATIONS
 
       if (priv->style_update_pending)
         g_signal_emit (widget, widget_signals[STYLE_UPDATED], 0);
@@ -16599,6 +16599,7 @@ void
 _gtk_widget_set_style (GtkWidget *widget,
                        GtkStyle  *style)
 {
+  g_signal_emit (widget, widget_signals[STYLE_SET], 0, widget->priv->style);
   widget->priv->style = style;
 }