Re-enalbe delayed save, destroying window foces ave to be called

gui/mainwindow.cpp

@@ -907,7 +907,7 @@ MainWindow::~MainWindow()
     }
     Settings::self()->saveHiddenPages(hiddenPages);
     streamsPage->save();
-    Settings::self()->save();
+    Settings::self()->save(true);
     disconnect(MPDConnection::self(), 0, 0, 0);
     if (Settings::self()->stopOnExit()) {
         emit stop();

gui/settings.cpp

@@ -34,6 +34,7 @@
 #include "kwallet.h"
 #include <QtGui/QApplication>
 #include <QtGui/QWidget>
+#include <QtCore/QTimer>
 
 K_GLOBAL_STATIC(Settings, instance)
 #endif
@@ -52,7 +53,8 @@ Settings * Settings::self()
 }
 
 Settings::Settings()
-    : ver(-1)
+    : timer(0)
+    , ver(-1)
     #ifdef ENABLE_KDE_SUPPORT
     , cfg(KGlobal::config(), "General")
     , wallet(0)
@@ -507,13 +509,28 @@ void Settings::saveStopFadeDuration(int v)
     SET_VALUE("stopFadeDuration", v);
 }
 
-void Settings::save()
+void Settings::save(bool force)
 {
-    SET_VALUE("version", PACKAGE_VERSION);
-    #ifdef ENABLE_KDE_SUPPORT
-    KGlobal::config()->sync();
-    #else
-    cfg.sync();
-    #endif
+    if (force) {
+        SET_VALUE("version", PACKAGE_VERSION);
+        #ifdef ENABLE_KDE_SUPPORT
+        KGlobal::config()->sync();
+        #else
+        cfg.sync();
+        #endif
+        if (timer) {
+            timer->stop();
+        }
+    } else {
+        if (!timer) {
+            timer=new QTimer(this);
+            connect(timer, SIGNAL(timeout()), this, SLOT(actualSave()));
+        }
+        timer->start(30*1000);
+    }
 }
 
+void Settings::actualSave()
+{
+    save(true);
+}

gui/settings.h

@@ -36,8 +36,12 @@ class Wallet;
 
 #define CANTATA_MAKE_VERSION(a, b, c) (((a) << 16) | ((b) << 8) | (c))
 
+class QTimer;
+
 class Settings : public QObject
 {
+    Q_OBJECT
+
 public:
     enum Constants
     {
@@ -125,13 +129,17 @@ public:
     void saveDevicesView(int v);
     #endif
     void saveStopFadeDuration(int v);
-    void save();
+    void save(bool force=false);
     #ifdef ENABLE_KDE_SUPPORT
     bool openWallet();
     #endif
 
+private Q_SLOTS:
+    void actualSave();
+
 private:
     QString mpdDirSetting;
+    QTimer *timer;
     int ver;
     #ifdef ENABLE_KDE_SUPPORT
     KConfigGroup cfg;