[gnome-builder] prefs: add grid lines

[Christian Hergert <chergert src gnome org>]

commit 6909b1aee27df200aa671ae8670bd17d9a28ed7d
Author: Christian Hergert <chergert redhat com>
Date:   Fri Nov 6 02:24:05 2015 -0800

    prefs: add grid lines

 libide/preferences/ide-preferences-builtin.c |    5 ++++-
 libide/preferences/ide-preferences-group.c   |    1 +
 2 files changed, 5 insertions(+), 1 deletions(-)
---
diff --git a/libide/preferences/ide-preferences-builtin.c b/libide/preferences/ide-preferences-builtin.c
index 44ebb14..89df557 100644
--- a/libide/preferences/ide-preferences-builtin.c
+++ b/libide/preferences/ide-preferences-builtin.c
@@ -85,7 +85,10 @@ ide_preferences_builtin_register_appearance (IdePreferences *preferences)
       ide_preferences_add_radio (preferences, "appearance", "schemes", "org.gnome.builder.editor", 
"style-scheme-name", variant_str, title, NULL, title, i);
     }
 
-  ide_preferences_add_list_group (preferences, "appearance", "draw-spaces", _("Whitespace Characters"), 300);
+  ide_preferences_add_group (preferences, "appearance", "background", NULL, 300);
+  ide_preferences_add_switch (preferences, "appearance", "background", "org.gnome.builder.editor", 
"show-grid-lines", NULL, _("Grid Pattern"), _("Display a grid pattern beneath the source code"), NULL, 0);
+
+  ide_preferences_add_list_group (preferences, "appearance", "draw-spaces", _("Whitespace Characters"), 400);
   ide_preferences_add_switch (preferences, "appearance", "draw-spaces", "org.gnome.builder.editor", 
"draw-spaces", "\"space\"", _("Spaces"), NULL, NULL, 0);
   ide_preferences_add_switch (preferences, "appearance", "draw-spaces", "org.gnome.builder.editor", 
"draw-spaces", "\"tab\"", _("Tabs"), NULL, NULL, 1);
   ide_preferences_add_switch (preferences, "appearance", "draw-spaces", "org.gnome.builder.editor", 
"draw-spaces", "\"newline\"", _("New line and carriage return"), NULL, NULL, 2);
diff --git a/libide/preferences/ide-preferences-group.c b/libide/preferences/ide-preferences-group.c
index 10cc4e6..0f2b1b7 100644
--- a/libide/preferences/ide-preferences-group.c
+++ b/libide/preferences/ide-preferences-group.c
@@ -93,6 +93,7 @@ ide_preferences_group_set_property (GObject      *object,
 
     case PROP_TITLE:
       gtk_label_set_label (self->title, g_value_get_string (value));
+      gtk_widget_set_visible (GTK_WIDGET (self->title), !!g_value_get_string (value));
       break;
 
     default: