Some clang-tidy -use-modernize-nullptr

Change-Id: I1bed5e85a5b7948d08502a72a10f80baa075c204
Reviewed-by: Thomas Hartmann <thomas.hartmann@qt.io>

src/libs/ssh/sftpfilesystemmodel.cpp

@@ -46,7 +46,7 @@ class SftpDirNode;
 class SftpFileNode
 {
 public:
-    SftpFileNode() : parent(0) { }
+    SftpFileNode() : parent(nullptr) { }
     virtual ~SftpFileNode() { }
 
     QString path;
@@ -98,9 +98,9 @@ using namespace Internal;
 SftpFileSystemModel::SftpFileSystemModel(QObject *parent)
     : QAbstractItemModel(parent), d(new SftpFileSystemModelPrivate)
 {
-    d->sshConnection = 0;
+    d->sshConnection = nullptr;
     d->rootDirectory = QLatin1Char('/');
-    d->rootNode = 0;
+    d->rootNode = nullptr;
     d->statJobId = SftpInvalidJob;
 }
 
@@ -131,7 +131,7 @@ void SftpFileSystemModel::setRootDirectory(const QString &path)
     beginResetModel();
     d->rootDirectory = path;
     delete d->rootNode;
-    d->rootNode = 0;
+    d->rootNode = nullptr;
     d->lsOps.clear();
     d->statJobId = SftpInvalidJob;
     endResetModel();
@@ -262,17 +262,17 @@ void SftpFileSystemModel::statRootDirectory()
 void SftpFileSystemModel::shutDown()
 {
     if (d->sftpSession) {
-        disconnect(d->sftpSession.get(), 0, this, 0);
+        disconnect(d->sftpSession.get(), nullptr, this, nullptr);
         d->sftpSession->quit();
         d->sftpSession.release()->deleteLater();
     }
     if (d->sshConnection) {
-        disconnect(d->sshConnection, 0, this, 0);
+        disconnect(d->sshConnection, nullptr, this, nullptr);
         QSsh::releaseConnection(d->sshConnection);
-        d->sshConnection = 0;
+        d->sshConnection = nullptr;
     }
     delete d->rootNode;
-    d->rootNode = 0;
+    d->rootNode = nullptr;
 }
 
 void SftpFileSystemModel::handleSshConnectionFailure()

src/libs/ssh/sftpfilesystemmodel.h

@@ -41,7 +41,7 @@ class QSSH_EXPORT SftpFileSystemModel : public QAbstractItemModel
 {
     Q_OBJECT
 public:
-    explicit SftpFileSystemModel(QObject *parent = 0);
+    explicit SftpFileSystemModel(QObject *parent = nullptr);
     ~SftpFileSystemModel();
 
     /*

src/libs/ssh/sshconnection.h

@@ -99,7 +99,7 @@ class QSSH_EXPORT SshConnection : public QObject
 public:
     enum State { Unconnected, Connecting, Connected, Disconnecting };
 
-    explicit SshConnection(const SshConnectionParameters &serverInfo, QObject *parent = 0);
+    explicit SshConnection(const SshConnectionParameters &serverInfo, QObject *parent = nullptr);
 
     void connectToHost();
     void disconnectFromHost();

src/libs/ssh/sshconnectionmanager.cpp

@@ -70,7 +70,7 @@ public:
     ~SshConnectionManager()
     {
         foreach (const UnaquiredConnection &connection, m_unacquiredConnections) {
-            disconnect(connection.connection, 0, this, 0);
+            disconnect(connection.connection, nullptr, this, nullptr);
             delete connection.connection;
         }
 
@@ -162,7 +162,7 @@ public:
         }
 
         if (doDelete) {
-            disconnect(connection, 0, this, 0);
+            disconnect(connection, nullptr, this, nullptr);
             m_deprecatedConnections.removeAll(connection);
             connection->deleteLater();
         }
@@ -175,7 +175,7 @@ public:
         for (int i = 0; i < m_unacquiredConnections.count(); ++i) {
             SshConnection * const connection = m_unacquiredConnections.at(i).connection;
             if (connection->connectionParameters() == sshParams) {
-                disconnect(connection, 0, this, 0);
+                disconnect(connection, nullptr, this, nullptr);
                 delete connection;
                 m_unacquiredConnections.removeAt(i);
                 break;
@@ -205,7 +205,7 @@ private:
             return;
 
         if (m_unacquiredConnections.removeOne(UnaquiredConnection(currentConnection))) {
-            disconnect(currentConnection, 0, this, 0);
+            disconnect(currentConnection, nullptr, this, nullptr);
             currentConnection->deleteLater();
         }
     }
@@ -216,7 +216,7 @@ private:
         for (int i = m_unacquiredConnections.count() - 1; i >= 0; --i) {
             UnaquiredConnection &c = m_unacquiredConnections[i];
             if (c.scheduledForRemoval) {
-                disconnect(c.connection, 0, this, 0);
+                disconnect(c.connection, nullptr, this, nullptr);
                 c.connection->deleteLater();
                 m_unacquiredConnections.removeAt(i);
             } else {

src/libs/ssh/sshkeycreationdialog.h

@@ -37,7 +37,7 @@ class QSSH_EXPORT SshKeyCreationDialog : public QDialog
 {
     Q_OBJECT
 public:
-    SshKeyCreationDialog(QWidget *parent = 0);
+    SshKeyCreationDialog(QWidget *parent = nullptr);
     ~SshKeyCreationDialog();
 
     QString privateKeyFilePath() const;

src/libs/ssh/sshremoteprocessrunner.cpp

@@ -189,9 +189,9 @@ void SshRemoteProcessRunner::setState(int newState)
             d->m_process.release()->deleteLater();
         }
         if (d->m_connection) {
-            disconnect(d->m_connection, 0, this, 0);
+            disconnect(d->m_connection, nullptr, this, nullptr);
             QSsh::releaseConnection(d->m_connection);
-            d->m_connection = 0;
+            d->m_connection = nullptr;
         }
     }
 }

src/libs/ssh/sshremoteprocessrunner.h

@@ -36,7 +36,7 @@ class QSSH_EXPORT SshRemoteProcessRunner : public QObject
     Q_OBJECT
 
 public:
-    SshRemoteProcessRunner(QObject *parent = 0);
+    SshRemoteProcessRunner(QObject *parent = nullptr);
     ~SshRemoteProcessRunner();
 
     void run(const QString &command, const SshConnectionParameters &sshParams);