Fix some memory leaks

Task-number: QTCREATORBUG-7645

Change-Id: I34253d063a20ebf927bf651cf68af4fe1b71bc89
Reviewed-by: hjk <qthjk@ovi.com>

src/libs/utils/historycompleter.cpp

@@ -233,6 +233,11 @@ HistoryCompleter::HistoryCompleter(QSettings *settings, QObject *parent)
     view->setItemDelegate(delegate);
 }
 
+HistoryCompleter::~HistoryCompleter()
+{
+    delete d;
+}
+
 int HistoryCompleter::historySize() const
 {
     return d->model->rowCount();

src/libs/utils/historycompleter.h

@@ -49,6 +49,7 @@ class QTCREATOR_UTILS_EXPORT HistoryCompleter : public QCompleter
 
 public:
     HistoryCompleter(QSettings *settings, QObject *parent);
+    ~HistoryCompleter();
     int historySize() const;
     int maximalHistorySize() const;
     void setMaximalHistorySize(int numberOfEntries);

src/plugins/analyzerbase/analyzermanager.cpp

@@ -665,7 +665,7 @@ void AnalyzerManagerPrivate::addTool(IAnalyzerTool *tool, const StartModes &mode
         QString actionName = tool->actionName(mode);
         Id menuGroup = tool->menuGroup(mode);
         Id actionId = tool->actionId(mode);
-        QAction *action = new QAction(actionName, 0);
+        QAction *action = new QAction(actionName, this);
         Command *command = Core::ActionManager::registerAction(action, actionId, Context(C_GLOBAL));
         m_menu->addAction(command, menuGroup);
         command->action()->setData(int(StartLocal));

src/plugins/fakevim/fakevimplugin.cpp

@@ -1757,7 +1757,9 @@ ExtensionSystem::IPlugin::ShutdownFlag FakeVimPlugin::aboutToShutdown()
 void FakeVimPlugin::extensionsInitialized()
 {
     d->m_statusBar = new Core::StatusBarWidget;
-    d->m_statusBar->setWidget(new MiniBuffer);
+    MiniBuffer *miniBuffer = new MiniBuffer;
+    addAutoReleasedObject(miniBuffer);
+    d->m_statusBar->setWidget(miniBuffer);
     d->m_statusBar->setPosition(StatusBarWidget::Last);
     addAutoReleasedObject(d->m_statusBar);
 }

src/plugins/projectexplorer/projectexplorer.cpp

@@ -379,6 +379,7 @@ bool ProjectExplorerPlugin::initialize(const QStringList &arguments, QString *er
             this, SLOT(updateWelcomePage()));
 
     d->m_proWindow = new ProjectWindow;
+    addAutoReleasedObject(d->m_proWindow);
 
     Core::Context globalcontext(Core::Constants::C_GLOBAL);
     Core::Context projecTreeContext(Constants::C_PROJECT_TREE);

src/plugins/texteditor/codestylepool.cpp

@@ -54,6 +54,7 @@ public:
     CodeStylePoolPrivate()
         : m_factory(0)
     {}
+    ~CodeStylePoolPrivate();
 
     QString generateUniqueId(const QString &id) const;
 
@@ -65,6 +66,11 @@ public:
     QString m_settingsPath;
 };
 
+CodeStylePoolPrivate::~CodeStylePoolPrivate()
+{
+    delete m_factory;
+}
+
 QString CodeStylePoolPrivate::generateUniqueId(const QString &id) const
 {
     if (!id.isEmpty() && !m_idToCodeStyle.contains(id))

src/plugins/welcome/welcomeplugin.cpp

@@ -126,11 +126,13 @@ private:
     QHBoxLayout * buttonLayout;
     QList<QObject*> m_pluginList;
     int m_activePlugin;
+    NetworkAccessManagerFactory *m_networkAccessManagerFactory;
 };
 
 // ---  WelcomeMode
 WelcomeMode::WelcomeMode() :
     m_activePlugin(0)
+    , m_networkAccessManagerFactory(new NetworkAccessManagerFactory)
 {
     setDisplayName(tr("Welcome"));
     setIcon(QIcon(QLatin1String(Core::Constants::ICON_QTLOGO_32)));
@@ -181,6 +183,7 @@ WelcomeMode::~WelcomeMode()
     QSettings *settings = Core::ICore::settings();
     settings->setValue(QLatin1String(currentPageSettingsKeyC), activePlugin());
     delete m_modeWidget;
+    delete m_networkAccessManagerFactory;
 }
 
 bool sortFunction(Utils::IWelcomePage * a, Utils::IWelcomePage *b)
@@ -235,7 +238,7 @@ void WelcomeMode::initPlugins()
     engine->setImportPathList(importPathList);
     if (!debug)
         engine->setOutputWarningsToStandardError(false);
-    engine->setNetworkAccessManagerFactory(new NetworkAccessManagerFactory);
+    engine->setNetworkAccessManagerFactory(m_networkAccessManagerFactory);
     QString pluginPath = QCoreApplication::applicationDirPath();
 #ifdef Q_OS_MAC
     pluginPath += QLatin1String("/../PlugIns");