[gtk+/wip/matthiasc/help-overlay] Hide the bottom box in sections until needed

[Matthias Clasen <matthiasc src gnome org>]

commit 2e3e788b0b9d9944ae87032c7b0eac946ef13b70
Author: Matthias Clasen <mclasen redhat com>
Date:   Tue Oct 13 08:58:15 2015 -0400

    Hide the bottom box in sections until needed
    
    This avoids some extraneous whitespace.

 gtk/gtkshortcutssection.c |    5 ++++-
 1 files changed, 4 insertions(+), 1 deletions(-)
---
diff --git a/gtk/gtkshortcutssection.c b/gtk/gtkshortcutssection.c
index 29cd57c..6830957 100644
--- a/gtk/gtkshortcutssection.c
+++ b/gtk/gtkshortcutssection.c
@@ -97,6 +97,8 @@ gtk_shortcuts_section_add (GtkContainer *container,
 
       gtk_container_foreach (GTK_CONTAINER (self->switcher), adjust_page_buttons, &count);
       gtk_widget_set_visible (GTK_WIDGET (self->switcher), (count > 1));
+      if (count > 1)
+        gtk_widget_show (gtk_widget_get_parent (GTK_WIDGET (self->switcher)));
       g_free (title);
     }
   else
@@ -234,6 +236,8 @@ filter_groups_by_view (GtkShortcutsSection *self)
   self->has_filtered_group = FALSE;
   gtk_container_foreach (GTK_CONTAINER (self), update_group_visibility, self);
   gtk_widget_set_visible (GTK_WIDGET (self->show_all), self->has_filtered_group);
+  if (self->has_filtered_group)
+    gtk_widget_show (gtk_widget_get_parent (GTK_WIDGET (self->show_all)));
 }
 
 static void
@@ -269,7 +273,6 @@ gtk_shortcuts_section_init (GtkShortcutsSection *self)
                             G_CALLBACK (filter_groups_by_view), self);
 
   box = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 20);
-  gtk_widget_show (box);
   gtk_container_add (GTK_CONTAINER (self), box);
 
   gtk_box_set_center_widget (GTK_BOX (box), GTK_WIDGET (self->switcher));