1 files changed, 12 insertions, 12 deletions

diff --git a/src/server/connectionframe/connectionframe.cpp b/src/server/connectionframe/connectionframe.cpp
index 875e031..e8d8349 100644
--- a/src/server/connectionframe/connectionframe.cpp
+++ b/src/server/connectionframe/connectionframe.cpp
@@ -58,7 +58,7 @@ static QString style_disconnected(
 		QGroupBox { background-color: #7F7F7F; margin: 1px; border-radius: 4px}"
 );
 
-static QIcon *term = NULL, *cam = NULL, *eye = NULL, *lock = NULL;
+static QIcon *term = nullptr, *cam = nullptr, *eye = nullptr, *lock = nullptr;
 
 bool ConnectionFrame::paintDisabled = false;
 
@@ -69,13 +69,13 @@ bool ConnectionFrame::paintDisabled = false;
  * @param height
  */
 ConnectionFrame::ConnectionFrame(MainWindow* main, QWidget *parent, bool fromRoomplan) :
-	QGroupBox(parent), _client(NULL), _timerId(0), _timerCounter(0), _isSelected(false), _isTutor(false),
+	QGroupBox(parent), _client(nullptr), _timerId(0), _timerCounter(0), _isSelected(false), _isTutor(false),
 	_isFromRoomplan(fromRoomplan), _mainWindow(main)
 {
 
 	//defines the ui-stuff
 	// load icons first
-	if (term == NULL) {
+	if (term == nullptr) {
 		term = new QIcon(":terminal");
 		cam = new QIcon(":cf_cam");
 		eye = new QIcon(":cf_eye");
@@ -88,7 +88,7 @@ ConnectionFrame::ConnectionFrame(MainWindow* main, QWidget *parent, bool fromRoo
 	_mainLayout->setAlignment(Qt::AlignHCenter);
 	this->setStyleSheet(style_student);
 
-	_iconLayout = new QBoxLayout(QBoxLayout::RightToLeft, NULL);
+	_iconLayout = new QBoxLayout(QBoxLayout::RightToLeft, nullptr);
 	_iconLayout->setSpacing(1);
 	_iconLayout->setMargin(3);
 
@@ -124,7 +124,7 @@ ConnectionFrame::ConnectionFrame(MainWindow* main, QWidget *parent, bool fromRoo
 
 ConnectionFrame::~ConnectionFrame()
 {
-	if (_client != NULL) {
+	if (_client != nullptr) {
 		_client->deleteLater();
 	}
 	_iconLayout->deleteLater();
@@ -145,7 +145,7 @@ void ConnectionFrame::updateGeometry()
 {
 	const QRect rect = _mainWindow->calcFrameGeometry(this);
 	setGeometry(rect);
-	if (this->_client == NULL)
+	if (this->_client == nullptr)
 		showDefaultThumb();
 }
 
@@ -171,7 +171,7 @@ QLabel* ConnectionFrame::addIcon(const QIcon* icon)
  */
 void ConnectionFrame::assignClient(Client* client)
 {
-	assert(_client == NULL);
+	assert(_client == nullptr);
 	connect( client, SIGNAL(disconnected()), this, SLOT(onClientDisconnected()) );
 	connect( client, SIGNAL(thumbUpdated(Client*, const QImage&)), this, SLOT(onThumbUpdated(Client*, const QImage&)) );
 	connect( client, SIGNAL(vncServerStateChange(Client*)), this, SLOT(updateAppearance()));
@@ -206,7 +206,7 @@ void ConnectionFrame::calcDesiredThumbSize(const QSize &frameSize)
 void ConnectionFrame::updateLabels()
 {
 	_lblHostName->setText(_computerId);
-	if (_client == NULL) {
+	if (_client == nullptr) {
 		_lblUserName->setText(QString());
 		_lblUserName->hide();
 	} else {
@@ -331,7 +331,7 @@ void ConnectionFrame::paintEvent(QPaintEvent *event)
  */
 void ConnectionFrame::timerEvent(QTimerEvent* /* event */ )
 {
-	if (_client == NULL)
+	if (_client == nullptr)
 		return;
 	++_timerCounter;
 	if (_client->isActiveVncServer() && _timerCounter % 5 != 0)
@@ -357,7 +357,7 @@ void ConnectionFrame::setSelection(bool selected)
  */
 void ConnectionFrame::setTutor(bool b)
 {
-	if (_isTutor != b && _client != NULL)
+	if (_isTutor != b && _client != nullptr)
 		_client->setTutor(b);
 	_isTutor = b;
 	this->updateAppearance();
@@ -369,7 +369,7 @@ void ConnectionFrame::setTutor(bool b)
  */
 void ConnectionFrame::updateAppearance()
 {
-	if (_client == NULL) {
+	if (_client == nullptr) {
 		// Unconnected Frame
 		if (_isSelected) {
 			this->setStyleSheet(style_selectedStudent);
@@ -426,7 +426,7 @@ void ConnectionFrame::onClientDisconnected()
 		killTimer(_timerId);
 		_timerId = 0;
 	}
-	_client = NULL;
+	_client = nullptr;
 	updateLabels();
 	updateAppearance();
 	showDefaultThumb();