[gtk+] button: Restore focus

[Emmanuele Bassi <ebassi src gnome org>]

commit 9d06ee637bc8716922ec45fd0d04a6a9fc6c3590
Author: Matthias Clasen <mclasen redhat com>
Date:   Sat Aug 6 10:34:18 2016 -0400

    button: Restore focus
    
    The custom gadget draw function has the side effect of informing
    the gadget machinery wether to draw focus or not. Bring the
    draw function back, just for its boolean return value. We may
    want to find a better solution for this.

 gtk/gtkbutton.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/gtk/gtkbutton.c b/gtk/gtkbutton.c
index b98cb75..2358009 100644
--- a/gtk/gtkbutton.c
+++ b/gtk/gtkbutton.c
@@ -870,7 +870,7 @@ gtk_button_get_render_node (GtkWidget   *widget,
 {
   GskRenderNode *res = gtk_css_gadget_get_render_node (GTK_BUTTON (widget)->priv->gadget,
                                                        renderer,
-                                                       FALSE);
+                                                       gtk_widget_has_visible_focus (widget));
 
   if (res == NULL)
     return NULL;