initialize pointer/values

src/platformtheme/kdeplatformfiledialogbase_p.h

@@ -52,7 +52,7 @@ Q_SIGNALS:
 
 protected:
     void closeEvent(QCloseEvent *e) override;
-    QDialogButtonBox *m_buttons;
+    QDialogButtonBox * m_buttons = nullptr;
 };
 
 #endif

src/platformtheme/kdeplatformfiledialoghelper.h

@@ -46,7 +46,7 @@ public:
     QList<QUrl> selectedFiles() override;
 
 protected:
-    KFileWidget *m_fileWidget;
+    KFileWidget *const m_fileWidget;
 };
 
 class KDEPlatformFileDialogHelper : public QPlatformFileDialogHelper
@@ -81,7 +81,7 @@ private Q_SLOTS:
 
 private:
     void restoreSize();
-    KDEPlatformFileDialogBase *m_dialog;
+    KDEPlatformFileDialogBase *m_dialog = nullptr;
     bool m_directorySet = false;
     bool m_fileSelected = false;
     bool m_dialogInitialized = false;

src/platformtheme/kdeplatformsystemtrayicon.cpp

@@ -304,7 +304,6 @@ QAction *SystemTrayMenuItem::action() const
 
 KDEPlatformSystemTrayIcon::KDEPlatformSystemTrayIcon()
     : QPlatformSystemTrayIcon()
-    , m_sni(nullptr)
 {
 }
 

src/platformtheme/kdeplatformsystemtrayicon.h

@@ -115,7 +115,7 @@ public:
     QPlatformMenu *createMenu() const override;
 
 private:
-    KStatusNotifierItem *m_sni;
+    KStatusNotifierItem *m_sni = nullptr;
 };
 
 #endif

src/platformtheme/kdirselectdialog.cpp

@@ -68,8 +68,7 @@ public:
     Private(bool localOnly, KDirSelectDialog *parent)
         : m_parent(parent),
           m_localOnly(localOnly),
-          m_comboLocked(false),
-          m_urlCombo(nullptr)
+          m_comboLocked(false)
     {
     }
 
@@ -87,21 +86,21 @@ public:
     void slotDelete();
     void slotProperties();
 
-    KDirSelectDialog *m_parent;
+    KDirSelectDialog *const m_parent;
     bool m_localOnly : 1;
     bool m_comboLocked : 1;
     QUrl m_rootUrl;
     QUrl m_startDir;
-    KFileTreeView *m_treeView;
-    QMenu *m_contextMenu;
-    KActionCollection *m_actions;
-    KFilePlacesView *m_placesView;
-    KHistoryComboBox *m_urlCombo;
+    KFileTreeView *m_treeView = nullptr;
+    QMenu *m_contextMenu = nullptr;
+    KActionCollection *m_actions = nullptr;
+    KFilePlacesView *m_placesView = nullptr;
+    KHistoryComboBox *m_urlCombo = nullptr;
     QString m_recentDirClass;
     QUrl m_startURL;
-    QAction *moveToTrash;
-    QAction *deleteAction;
-    QAction *showHiddenFoldersAction;
+    QAction *moveToTrash = nullptr;
+    QAction *deleteAction = nullptr;
+    QAction *showHiddenFoldersAction = nullptr;
 };
 
 void KDirSelectDialog::Private::readConfig(const KSharedConfig::Ptr &config, const QString &group)

src/platformtheme/kfiletreeview.cpp

@@ -47,9 +47,9 @@ public:
     void _k_currentChanged(const QModelIndex &, const QModelIndex &);
     void _k_expanded(const QModelIndex &);
 
-    KFileTreeView *q;
-    KDirModel *mSourceModel;
-    KDirSortFilterProxyModel *mProxyModel;
+    KFileTreeView *const q;
+    KDirModel *mSourceModel = nullptr;
+    KDirSortFilterProxyModel *mProxyModel = nullptr;
 };
 
 QUrl KFileTreeView::Private::urlForProxyIndex(const QModelIndex &index) const