Initialize pointer to a default value

src/gui/properties/peersadditiondialog.h

@@ -53,6 +53,6 @@ protected slots:
     void validateInput();
 
 private:
-    Ui::PeersAdditionDialog *m_ui;
+    Ui::PeersAdditionDialog *m_ui = nullptr;
     QVector<BitTorrent::PeerAddress> m_peersList;
 };

src/gui/properties/propertieswidget.cpp

@@ -73,8 +73,6 @@
 PropertiesWidget::PropertiesWidget(QWidget *parent)
     : QWidget(parent)
     , m_ui(new Ui::PropertiesWidget())
-    , m_torrent(nullptr)
-    , m_handleWidth(-1)
 {
     m_ui->setupUi(this);
     setAutoFillBackground(true);

src/gui/properties/propertieswidget.h

@@ -112,18 +112,18 @@ private:
     void openParentFolder(const QModelIndex &index) const;
     Path getFullPath(const QModelIndex &index) const;
 
-    Ui::PropertiesWidget *m_ui;
-    BitTorrent::Torrent *m_torrent;
+    Ui::PropertiesWidget *m_ui = nullptr;
+    BitTorrent::Torrent *m_torrent = nullptr;
     SlideState m_state;
-    TorrentContentFilterModel *m_propListModel;
-    PropListDelegate *m_propListDelegate;
-    PeerListWidget *m_peerList;
-    TrackerListWidget *m_trackerList;
+    TorrentContentFilterModel *m_propListModel = nullptr;
+    PropListDelegate *m_propListDelegate = nullptr;
+    PeerListWidget *m_peerList = nullptr;
+    TrackerListWidget *m_trackerList = nullptr;
     QWidget *m_speedWidget = nullptr;
     QList<int> m_slideSizes;
-    DownloadedPiecesBar *m_downloadedPieces;
-    PieceAvailabilityBar *m_piecesAvailability;
-    PropTabBar *m_tabBar;
-    LineEdit *m_contentFilterLine;
-    int m_handleWidth;
+    DownloadedPiecesBar *m_downloadedPieces = nullptr;
+    PieceAvailabilityBar *m_piecesAvailability = nullptr;
+    PropTabBar *m_tabBar = nullptr;
+    LineEdit *m_contentFilterLine = nullptr;
+    int m_handleWidth = -1;
 };

src/gui/properties/proplistdelegate.h

@@ -69,6 +69,6 @@ signals:
     void filteredFilesChanged() const;
 
 private:
-    PropertiesWidget *m_properties;
+    PropertiesWidget *m_properties = nullptr;
     ProgressBarPainter m_progressBarPainter;
 };

src/gui/properties/proptabbar.cpp

@@ -38,7 +38,6 @@
 
 PropTabBar::PropTabBar(QWidget *parent)
     : QHBoxLayout(parent)
-    , m_currentIndex(-1)
 {
     setAlignment(Qt::AlignLeft | Qt::AlignCenter);
     setSpacing(3);

src/gui/properties/proptabbar.h

@@ -60,6 +60,6 @@ public slots:
     void setCurrentIndex(int index);
 
 private:
-    QButtonGroup *m_btnGroup;
-    int m_currentIndex;
+    QButtonGroup *m_btnGroup = nullptr;
+    int m_currentIndex = -1;
 };

src/gui/properties/speedwidget.h

@@ -49,7 +49,7 @@ public:
     void showPopup() override;
 
 private:
-    QMenu *m_menu;
+    QMenu *m_menu = nullptr;
 };
 
 
@@ -71,13 +71,13 @@ private:
     void loadSettings();
     void saveSettings() const;
 
-    QVBoxLayout *m_layout;
-    QHBoxLayout *m_hlayout;
-    QLabel *m_periodLabel;
-    QComboBox *m_periodCombobox;
-    SpeedPlotView *m_plot;
+    QVBoxLayout *m_layout = nullptr;
+    QHBoxLayout *m_hlayout = nullptr;
+    QLabel *m_periodLabel = nullptr;
+    QComboBox *m_periodCombobox = nullptr;
+    SpeedPlotView *m_plot = nullptr;
 
-    ComboBoxMenuButton *m_graphsButton;
-    QMenu *m_graphsMenu;
+    ComboBoxMenuButton *m_graphsButton = nullptr;
+    QMenu *m_graphsMenu = nullptr;
     QList<QAction *> m_graphsMenuActions;
 };

src/gui/properties/trackerlistwidget.h

@@ -91,9 +91,9 @@ private:
 
     static QStringList headerLabels();
 
-    PropertiesWidget *m_properties;
+    PropertiesWidget *m_properties = nullptr;
     QHash<QString, QTreeWidgetItem *> m_trackerItems;
-    QTreeWidgetItem *m_DHTItem;
-    QTreeWidgetItem *m_PEXItem;
-    QTreeWidgetItem *m_LSDItem;
+    QTreeWidgetItem *m_DHTItem = nullptr;
+    QTreeWidgetItem *m_PEXItem = nullptr;
+    QTreeWidgetItem *m_LSDItem = nullptr;
 };

src/gui/properties/trackersadditiondialog.h

@@ -65,6 +65,6 @@ public slots:
     void torrentListDownloadFinished(const Net::DownloadResult &result);
 
 private:
-    Ui::TrackersAdditionDialog *m_ui;
-    BitTorrent::Torrent *const m_torrent;
+    Ui::TrackersAdditionDialog *m_ui = nullptr;
+    BitTorrent::Torrent *const m_torrent = nullptr;
 };