From e777727be96dff1f949e7f920495b8093dbd9589 Mon Sep 17 00:00:00 2001
From: Max Lapan <max.lapan@gmail.com>
Date: Wed, 17 Mar 2010 18:45:34 +0300
Subject: [PATCH] Make settings a singleton.

---
 mainwidget.cpp |    2 +-
 settings.cpp   |   11 +++++++++++
 settings.hpp   |    3 ++-
 3 files changed, 14 insertions(+), 2 deletions(-)

diff --git a/mainwidget.cpp b/mainwidget.cpp
index 2a97dbc..f4aa592 100644
--- a/mainwidget.cpp
+++ b/mainwidget.cpp
@@ -24,7 +24,7 @@ MainWidget::MainWidget ()
 
     _traffic = new Traffic;
     _regions = new RegionsTable;
-    _settings = new Settings;
+    _settings = Settings::instance ();
 
     QHBoxLayout *layout = new QHBoxLayout;
     layout->addWidget (_light);
diff --git a/settings.cpp b/settings.cpp
index a08f07f..021ea4f 100644
--- a/settings.cpp
+++ b/settings.cpp
@@ -2,6 +2,17 @@
 #include <settings.hpp>
 
 
+static Settings* _settings;
+
+
+Settings* Settings::instance ()
+{
+    if (!_settings)
+        _settings = new Settings;
+    return _settings;
+}
+
+
 Settings::Settings ()
 {
     load ();
diff --git a/settings.hpp b/settings.hpp
index 1953f76..19b00f4 100644
--- a/settings.hpp
+++ b/settings.hpp
@@ -58,8 +58,9 @@ private:
     int intervalIndex2Minutes (int index) const;
     int minutes2IntervalIndex (int minutes) const;
 
-public:
     Settings ();
+public:
+    static Settings* instance ();
 
     void load ();
     void save ();
-- 
1.7.9.5