ClassView: Modernize

modernize-use-nullptr
modernize-use-auto
modernize-use-override
modernize-use-equals-default
modernize-use-using
modernize-loop-convert

Change-Id: I7dcc03ad38f6f943bc4c8b1049e7069f4b99c985
Reviewed-by: Orgad Shaneh <orgads@gmail.com>

src/plugins/classview/classviewmanager.cpp

@@ -52,7 +52,7 @@ namespace Internal {
 ///////////////////////////////// ManagerPrivate //////////////////////////////////
 
 // static variable initialization
-static Manager *managerInstance = 0;
+static Manager *managerInstance = nullptr;
 
 /*!
     \class ClassView::Internal::Manager
@@ -141,8 +141,6 @@ static Manager *managerInstance = 0;
 class ManagerPrivate
 {
 public:
-    ManagerPrivate() : state(false), disableCodeParser(false) {}
-
     //! State mutex
     QMutex mutexState;
 
@@ -153,10 +151,10 @@ public:
     QThread parserThread;
 
     //! Internal manager state. \sa Manager::state
-    bool state;
+    bool state = false;
 
     //! there is some massive operation ongoing so temporary we should wait
-    bool disableCodeParser;
+    bool disableCodeParser = false;
 };
 
 ///////////////////////////////// Manager //////////////////////////////////
@@ -185,7 +183,7 @@ Manager::~Manager()
     d->parserThread.quit();
     d->parserThread.wait();
     delete d;
-    managerInstance = 0;
+    managerInstance = nullptr;
 }
 
 Manager *Manager::instance()

src/plugins/classview/classviewmanager.h

@@ -42,9 +42,9 @@ class Manager : public QObject
     Q_OBJECT
 
 public:
-    explicit Manager(QObject *parent = 0);
+    explicit Manager(QObject *parent = nullptr);
 
-    virtual ~Manager();
+    ~Manager() override;
 
     //! Get an instance of Manager
     static Manager *instance();

src/plugins/classview/classviewnavigationwidget.cpp

@@ -93,7 +93,7 @@ namespace Internal {
 NavigationWidget::NavigationWidget(QWidget *parent) :
     QWidget(parent)
 {
-    QVBoxLayout *verticalLayout = new QVBoxLayout(this);
+    auto verticalLayout = new QVBoxLayout(this);
     verticalLayout->setSpacing(0);
     verticalLayout->setContentsMargins(0, 0, 0, 0);
     treeView = new ::Utils::NavigationTreeView(this);
@@ -136,9 +136,7 @@ NavigationWidget::NavigationWidget(QWidget *parent) :
             manager, &Manager::onRequestTreeDataUpdate);
 }
 
-NavigationWidget::~NavigationWidget()
-{
-}
+NavigationWidget::~NavigationWidget() = default;
 
 void NavigationWidget::hideEvent(QHideEvent *event)
 {

src/plugins/classview/classviewnavigationwidget.h

@@ -46,8 +46,8 @@ class NavigationWidget : public QWidget
     Q_OBJECT
 
 public:
-    explicit NavigationWidget(QWidget *parent = 0);
-    ~NavigationWidget();
+    explicit NavigationWidget(QWidget *parent = nullptr);
+    ~NavigationWidget() override;
 
     QList<QToolButton *> createToolButtons();
 
@@ -76,10 +76,10 @@ protected:
     void fetchExpandedItems(QStandardItem *item, const QStandardItem *target) const;
 
     //! implements QWidget::hideEvent
-    void hideEvent(QHideEvent *event);
+    void hideEvent(QHideEvent *event) override;
 
     //! implements QWidget::showEvent
-    void showEvent(QShowEvent *event);
+    void showEvent(QShowEvent *event) override;
 
 private:
     Utils::NavigationTreeView *treeView;

src/plugins/classview/classviewnavigationwidgetfactory.cpp

@@ -58,7 +58,7 @@ NavigationWidgetFactory::NavigationWidgetFactory()
 Core::NavigationView NavigationWidgetFactory::createWidget()
 {
     Core::NavigationView navigationView;
-    NavigationWidget *widget = new NavigationWidget();
+    auto widget = new NavigationWidget();
     navigationView.widget = widget;
     navigationView.dockToolBarWidgets = widget->createToolButtons();
     return navigationView;
@@ -77,7 +77,7 @@ static QString settingsPrefix(int position)
 
 void NavigationWidgetFactory::saveSettings(QSettings *settings, int position, QWidget *widget)
 {
-    NavigationWidget *pw = qobject_cast<NavigationWidget *>(widget);
+    auto pw = qobject_cast<NavigationWidget *>(widget);
     QTC_ASSERT(pw, return);
 
     // .beginGroup is not used - to prevent simultaneous access
@@ -87,7 +87,7 @@ void NavigationWidgetFactory::saveSettings(QSettings *settings, int position, QW
 
 void NavigationWidgetFactory::restoreSettings(QSettings *settings, int position, QWidget *widget)
 {
-    NavigationWidget *pw = qobject_cast<NavigationWidget *>(widget);
+    auto pw = qobject_cast<NavigationWidget *>(widget);
     QTC_ASSERT(pw, return);
 
     // .beginGroup is not used - to prevent simultaneous access

src/plugins/classview/classviewparser.cpp

@@ -92,10 +92,7 @@ namespace Internal {
 class ParserPrivate
 {
 public:
-    typedef QHash<QString, CPlusPlus::Document::Ptr>::const_iterator CitDocumentList;
-
-    //! Constructor
-    ParserPrivate() : flatMode(false) {}
+    using CitDocumentList = QHash<QString, CPlusPlus::Document::Ptr>::const_iterator;
 
     //! Get document from documentList
     CPlusPlus::Document::Ptr document(const QString &fileName) const;
@@ -142,7 +139,7 @@ public:
     ParserTreeItem::ConstPtr rootItem;
 
     //! Flat mode
-    bool flatMode;
+    bool flatMode = false;
 };
 
 CPlusPlus::Document::Ptr ParserPrivate::document(const QString &fileName) const

src/plugins/classview/classviewparser.h

@@ -50,8 +50,8 @@ class Parser : public QObject
     Q_OBJECT
 
 public:
-    explicit Parser(QObject *parent = 0);
-    ~Parser();
+    explicit Parser(QObject *parent = nullptr);
+    ~Parser() override;
 
     bool canFetchMore(QStandardItem *item, bool skipRoot = false) const;
 
@@ -86,8 +86,8 @@ public:
     void setFlatMode(bool flat);
 
 protected:
-    typedef QHash<QString, unsigned>::const_iterator CitCachedDocTreeRevision;
-    typedef QHash<QString, QStringList>::const_iterator CitCachedPrjFileLists;
+    using CitCachedDocTreeRevision = QHash<QString, unsigned>::const_iterator;
+    using CitCachedPrjFileLists = QHash<QString, QStringList>::const_iterator;
 
     void onResetDataDone();
 

src/plugins/classview/classviewparsertreeitem.cpp

@@ -295,7 +295,7 @@ void ParserTreeItem::convertTo(QStandardItem *item) const
         ++curHash;
     }
 
-    typedef QMap<SymbolInformation, ParserTreeItem::Ptr>::const_iterator MapCitSymbolInformations;
+    using MapCitSymbolInformations = QMap<SymbolInformation, ParserTreeItem::Ptr>::const_iterator;
     // add to item
     MapCitSymbolInformations cur = map.constBegin();
     MapCitSymbolInformations end = map.constEnd();
@@ -303,7 +303,7 @@ void ParserTreeItem::convertTo(QStandardItem *item) const
         const SymbolInformation &inf = cur.key();
         ParserTreeItem::Ptr ptr = cur.value();
 
-        QStandardItem *add = new QStandardItem();
+        auto add = new QStandardItem;
         Utils::setSymbolInformationToItem(inf, add);
         if (!ptr.isNull()) {
             // icon

src/plugins/classview/classviewparsertreeitem.h

@@ -41,8 +41,8 @@ class ParserTreeItemPrivate;
 class ParserTreeItem
 {
 public:
-    typedef QSharedPointer<ParserTreeItem> Ptr;
-    typedef QSharedPointer<const ParserTreeItem> ConstPtr;
+    using Ptr = QSharedPointer<ParserTreeItem>;
+    using ConstPtr = QSharedPointer<const ParserTreeItem>;
 
 public:
     ParserTreeItem();
@@ -91,7 +91,7 @@ protected:
     ParserTreeItem &operator=(const ParserTreeItem &other);
 
 private:
-    typedef QHash<SymbolInformation, ParserTreeItem::Ptr>::const_iterator CitSymbolInformations;
+    using CitSymbolInformations = QHash<SymbolInformation, ParserTreeItem::Ptr>::const_iterator;
     //! Private class data pointer
     ParserTreeItemPrivate *d;
 };

src/plugins/classview/classviewtreeitemmodel.cpp

@@ -46,9 +46,7 @@ TreeItemModel::TreeItemModel(QObject *parent)
 {
 }
 
-TreeItemModel::~TreeItemModel()
-{
-}
+TreeItemModel::~TreeItemModel() = default;
 
 QVariant TreeItemModel::data(const QModelIndex &index, int role) const
 {
@@ -136,7 +134,7 @@ QMimeData *TreeItemModel::mimeData(const QModelIndexList &indexes) const
     }
     if (mimeData->files().isEmpty()) {
         delete mimeData;
-        return 0;
+        return nullptr;
     }
     return mimeData;
 }

src/plugins/classview/classviewtreeitemmodel.h

@@ -37,19 +37,19 @@ class TreeItemModel : public QStandardItemModel
     Q_OBJECT
 
 public:
-    explicit TreeItemModel(QObject *parent = 0);
-    virtual ~TreeItemModel();
+    explicit TreeItemModel(QObject *parent = nullptr);
+    ~TreeItemModel() override;
 
     void moveRootToTarget(const QStandardItem *target);
 
-    QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const;
-    bool canFetchMore(const QModelIndex &parent) const;
-    void fetchMore(const QModelIndex &parent);
-    bool hasChildren(const QModelIndex &parent = QModelIndex()) const;
+    QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const override;
+    bool canFetchMore(const QModelIndex &parent) const override;
+    void fetchMore(const QModelIndex &parent) override;
+    bool hasChildren(const QModelIndex &parent = QModelIndex()) const override;
 
-    Qt::DropActions supportedDragActions() const;
-    QStringList mimeTypes() const;
-    QMimeData *mimeData(const QModelIndexList &indexes) const;
+    Qt::DropActions supportedDragActions() const override;
+    QStringList mimeTypes() const override;
+    QMimeData *mimeData(const QModelIndexList &indexes) const override;
 
 private:
     //! private class data pointer

src/plugins/classview/classviewutils.cpp

@@ -72,9 +72,7 @@ const int IconSortOrder[] = {
 
 namespace Internal {
 
-Utils::Utils()
-{
-}
+Utils::Utils() = default;
 
 /*!
     Converts internal location container to QVariant compatible.
@@ -120,9 +118,8 @@ int Utils::iconTypeSortOrder(int icon)
 
     // initialization
     if (sortOrder.isEmpty()) {
-        for (unsigned i = 0 ;
-             i < sizeof(Constants::IconSortOrder) / sizeof(Constants::IconSortOrder[0]) ; ++i)
-            sortOrder.insert(Constants::IconSortOrder[i], sortOrder.count());
+        for (int i : Constants::IconSortOrder)
+            sortOrder.insert(i, sortOrder.count());
     }
 
     // if it is missing - return the same value