[gnome-builder] preferences: ensure group is made visible when adding custom widget

[Christian Hergert <chergert src gnome org>]

commit affcaf7ef0d51b3e90433165971371d769b35500
Author: Christian Hergert <chergert redhat com>
Date:   Mon Mar 13 23:02:39 2017 -0700

    preferences: ensure group is made visible when adding custom widget
    
    When we add a custom widget, we need to ensure that the group is shown
    so that we don't get in a state where the group is always hidden, such
    as if we do async preference loading.

 libide/preferences/ide-preferences-perspective.c |    6 ++++--
 1 files changed, 4 insertions(+), 2 deletions(-)
---
diff --git a/libide/preferences/ide-preferences-perspective.c 
b/libide/preferences/ide-preferences-perspective.c
index 52f7691..d1120aa 100644
--- a/libide/preferences/ide-preferences-perspective.c
+++ b/libide/preferences/ide-preferences-perspective.c
@@ -839,7 +839,10 @@ ide_preferences_perspective_add_custom (IdePreferences *preferences,
       return 0;
     }
 
-  gtk_widget_set_visible (widget, TRUE);
+  widget_id = ++self->last_widget_id;
+
+  gtk_widget_show (widget);
+  gtk_widget_show (GTK_WIDGET (group));
 
   if (IDE_IS_PREFERENCES_BIN (widget))
     container = IDE_PREFERENCES_BIN (widget);
@@ -853,7 +856,6 @@ ide_preferences_perspective_add_custom (IdePreferences *preferences,
 
   ide_preferences_group_add (group, GTK_WIDGET (container));
 
-  widget_id = ++self->last_widget_id;
   g_hash_table_insert (self->widgets, GINT_TO_POINTER (widget_id), widget);
 
   return widget_id;