Update Qt versions when refresh button is pressed.

At the moment you need to close and reopen the preferences dialog though.

src/plugins/qt4projectmanager/qt-s60/qt-s60-todo.txt

+* When the refresh button in the SDK option page is pressed
+  the qtoptionspage is not updated to reflect the new versions
+  though we update them in S60Manager

src/plugins/qt4projectmanager/qt-s60/qt-s60.pri

@@ -11,5 +11,5 @@ SUPPORT_QT_S60 = $$(QTCREATOR_WITH_S60)
         $$PWD/s60devicespreferencepane.h \
         $$PWD/s60manager.h
 
-    FORMS   += $$PWD/s60devicespreferencepane.ui
+    OTHER_FILES += qt-s60-todo.txt
 }

src/plugins/qt4projectmanager/qt-s60/s60devices.cpp

@@ -115,6 +115,7 @@ bool S60Devices::detectQtForDevices()
         }
         qtDll.close();
     }
+    emit qtVersionsChanged();
     return true;
 }
 

src/plugins/qt4projectmanager/qt-s60/s60devices.h

@@ -27,6 +27,10 @@ public:
     QList<Device> devices() const;
     bool detectQtForDevices();
     Device deviceForRoot(const QString &epocRoot) const;
+
+signals:
+    void qtVersionsChanged();
+
 private:
     QString m_errorString;
     QList<Device> m_devices;

src/plugins/qt4projectmanager/qt-s60/s60manager.cpp

@@ -50,6 +50,8 @@ S60Manager::S60Manager(QObject *parent)
     ExtensionSystem::PluginManager::instance()
             ->addObject(m_devicesPreferencePane);
     updateQtVersions();
+    connect(m_devices, SIGNAL(qtVersionsChanged()),
+            this, SLOT(updateQtVersions()));
 }
 
 S60Manager::~S60Manager()

src/plugins/qt4projectmanager/qt-s60/s60manager.h

@@ -46,6 +46,8 @@ class S60Manager : public QObject
 public:
     S60Manager(QObject *parent = 0);
     ~S60Manager();
+
+private slots:
     void updateQtVersions();
 
 private: