diff --git a/QtMeshViewer/Source/SettingsWindow.cpp b/QtMeshViewer/Source/SettingsWindow.cpp
index fd0588f..f83b4a5 100644
--- a/QtMeshViewer/Source/SettingsWindow.cpp
+++ b/QtMeshViewer/Source/SettingsWindow.cpp
@@ -12,34 +12,34 @@ SettingsWindow::SettingsWindow(QWidget * parent)
 	setWindowFlags(Qt::Tool | Qt::NoDropShadowWindowHint);
 
 	// light off
-	connect(ui->lightOff_R_LE, SIGNAL(textChanged(QString)), this, SLOT(lightOffRValueChanged(QString)));
-	connect(ui->lightOff_R_S, SIGNAL(valueChanged(int)), this, SLOT(lightOffRValueChanged(int)));
+	connect(ui->lightOff_R_LE, &QLineEdit::textChanged, [this](const QString& value){ui->lightOff_R_S->setValue(value.toInt());});
+	connect(ui->lightOff_R_S, &QSlider::valueChanged, [this](const int& value){ui->lightOff_R_LE->setText(QString::number(value));});
 
-	connect(ui->lightOff_G_LE, SIGNAL(textChanged(QString)), this, SLOT(lightOffGValueChanged(QString)));
-	connect(ui->lightOff_G_S, SIGNAL(valueChanged(int)), this, SLOT(lightOffGValueChanged(int)));
+	connect(ui->lightOff_G_LE, &QLineEdit::textChanged, [this](const QString& value){ui->lightOff_G_S->setValue(value.toInt());});
+	connect(ui->lightOff_G_S, &QSlider::valueChanged, [this](const int& value){ui->lightOff_G_LE->setText(QString::number(value));});
 
-	connect(ui->lightOff_B_LE, SIGNAL(textChanged(QString)), this, SLOT(lightOffBValueChanged(QString)));
-	connect(ui->lightOff_B_S, SIGNAL(valueChanged(int)), this, SLOT(lightOffBValueChanged(int)));
+	connect(ui->lightOff_B_LE, &QLineEdit::textChanged, [this](const QString& value){ui->lightOff_B_S->setValue(value.toInt());});
+	connect(ui->lightOff_B_S, &QSlider::valueChanged, [this](const int& value){ui->lightOff_B_LE->setText(QString::number(value));});
 
 	// light on
-	connect(ui->lightOn_R_LE, SIGNAL(textChanged(QString)), this, SLOT(lightOnRValueChanged(QString)));
-	connect(ui->lightOn_R_S, SIGNAL(valueChanged(int)), this, SLOT(lightOnRValueChanged(int)));
+	connect(ui->lightOn_R_LE, &QLineEdit::textChanged, [this](const QString& value){ui->lightOn_R_S->setValue(value.toInt());});
+	connect(ui->lightOn_R_S, &QSlider::valueChanged, [this](const int& value){ui->lightOn_R_LE->setText(QString::number(value));});
 
-	connect(ui->lightOn_G_LE, SIGNAL(textChanged(QString)), this, SLOT(lightOnGValueChanged(QString)));
-	connect(ui->lightOn_G_S, SIGNAL(valueChanged(int)), this, SLOT(lightOnGValueChanged(int)));
+	connect(ui->lightOn_G_LE, &QLineEdit::textChanged, [this](const QString& value){ui->lightOn_G_S->setValue(value.toInt());});
+	connect(ui->lightOn_G_S, &QSlider::valueChanged, [this](const int& value){ui->lightOn_G_LE->setText(QString::number(value));});
 
-	connect(ui->lightOn_B_LE, SIGNAL(textChanged(QString)), this, SLOT(lightOnBValueChanged(QString)));
-	connect(ui->lightOn_B_S, SIGNAL(valueChanged(int)), this, SLOT(lightOnBValueChanged(int)));
+	connect(ui->lightOn_B_LE, &QLineEdit::textChanged, [this](const QString& value){ui->lightOn_B_S->setValue(value.toInt());});
+	connect(ui->lightOn_B_S, &QSlider::valueChanged, [this](const int& value){ui->lightOn_B_LE->setText(QString::number(value));});
 
 	// light
-	connect(ui->light_R_LE, SIGNAL(textChanged(QString)), this, SLOT(lightRValueChanged(QString)));
-	connect(ui->light_R_S, SIGNAL(valueChanged(int)), this, SLOT(lightRValueChanged(int)));
+	connect(ui->light_R_LE, &QLineEdit::textChanged, [this](const QString& value){ui->light_R_S->setValue(value.toInt());});
+	connect(ui->light_R_S, &QSlider::valueChanged, [this](const int& value){ui->light_R_LE->setText(QString::number(value));});
 
-	connect(ui->light_G_LE, SIGNAL(textChanged(QString)), this, SLOT(lightGValueChanged(QString)));
-	connect(ui->light_G_S, SIGNAL(valueChanged(int)), this, SLOT(lightGValueChanged(int)));
+	connect(ui->light_G_LE, &QLineEdit::textChanged, [this](const QString& value){ui->light_G_S->setValue(value.toInt());});
+	connect(ui->light_G_S, &QSlider::valueChanged, [this](const int& value){ui->light_G_LE->setText(QString::number(value));});
 
-	connect(ui->light_B_LE, SIGNAL(textChanged(QString)), this, SLOT(lightBValueChanged(QString)));
-	connect(ui->light_B_S, SIGNAL(valueChanged(int)), this, SLOT(lightBValueChanged(int)));
+	connect(ui->light_B_LE, &QLineEdit::textChanged, [this](const QString& value){ui->light_B_S->setValue(value.toInt());});
+	connect(ui->light_B_S, &QSlider::valueChanged, [this](const int& value){ui->light_B_LE->setText(QString::number(value));});
 
 
 	connect(ui->checkAutoColor, &QCheckBox::toggled, this, &SettingsWindow::autoColorToggled);
@@ -53,146 +53,7 @@ SettingsWindow::~SettingsWindow()
 }
 
 ////////////////////////////////////////////////////////////////////////////////
-// Slider - LineEdit connections
-
-#pragma region light off
-
-void SettingsWindow::lightOffRValueChanged(QString value)
-{
-	ui->lightOff_R_S->setValue(value.toInt());
-}
-
-void SettingsWindow::lightOffRValueChanged(int value)
-{
-	ui->lightOff_R_LE->setText(QString::number(value));
-}
-
-void SettingsWindow::lightOffGValueChanged(QString value)
-{
-	ui->lightOff_G_S->setValue(value.toInt());
-}
-
-void SettingsWindow::lightOffGValueChanged(int value)
-{
-	ui->lightOff_G_LE->setText(QString::number(value));
-}
-
-void SettingsWindow::lightOffBValueChanged(QString value)
-{
-	ui->lightOff_B_S->setValue(value.toInt());
-}
-
-void SettingsWindow::lightOffBValueChanged(int value)
-{
-	ui->lightOff_B_LE->setText(QString::number(value));
-}
-
-#pragma endregion
-
-#pragma region light on
-
-void SettingsWindow::lightOnRValueChanged(QString value)
-{
-	ui->lightOn_R_S->setValue(value.toInt());
-}
-
-void SettingsWindow::lightOnRValueChanged(int value)
-{
-	ui->lightOn_R_LE->setText(QString::number(value));
-}
-
-void SettingsWindow::lightOnGValueChanged(QString value)
-{
-	ui->lightOn_G_S->setValue(value.toInt());
-}
-
-void SettingsWindow::lightOnGValueChanged(int value)
-{
-	ui->lightOn_G_LE->setText(QString::number(value));
-}
-
-void SettingsWindow::lightOnBValueChanged(QString value)
-{
-	ui->lightOn_B_S->setValue(value.toInt());
-}
-
-void SettingsWindow::lightOnBValueChanged(int value)
-{
-	ui->lightOn_B_LE->setText(QString::number(value));
-}
-
-#pragma endregion
-
-#pragma region light
-
-void SettingsWindow::lightRValueChanged(QString value)
-{
-	ui->light_R_S->setValue(value.toInt());
-
-	if (ui->checkAutoColor->isChecked())
-	{
-		ui->lightOn_R_LE->setText(QString::number((int)(value.toInt() / 50)));
-		ui->lightOn_R_S->setValue((int)(value.toInt() / 50));
-	}
-}
-
-void SettingsWindow::lightRValueChanged(int value)
-{
-	ui->light_R_LE->setText(QString::number(value));
-
-	if (ui->checkAutoColor->isChecked())
-	{
-		ui->lightOn_R_LE->setText(QString::number((int)(value / 50)));
-		ui->lightOn_R_S->setValue((int)(value / 50));
-	}
-}
-
-void SettingsWindow::lightGValueChanged(QString value)
-{
-	ui->light_G_S->setValue(value.toInt());
-
-	if (ui->checkAutoColor->isChecked())
-	{
-		ui->lightOn_G_LE->setText(QString::number((int)(value.toInt() / 50)));
-		ui->lightOn_G_S->setValue((int)(value.toInt() / 50));
-	}
-}
-
-void SettingsWindow::lightGValueChanged(int value)
-{
-	ui->light_G_LE->setText(QString::number(value));
-
-	if (ui->checkAutoColor->isChecked())
-	{
-		ui->lightOn_G_LE->setText(QString::number((int)(value / 50)));
-		ui->lightOn_G_S->setValue((int)(value / 50));
-	}
-}
-
-void SettingsWindow::lightBValueChanged(QString value)
-{
-	ui->light_B_S->setValue(value.toInt());
-
-	if (ui->checkAutoColor->isChecked())
-	{
-		ui->lightOn_B_LE->setText(QString::number((int)(value.toInt() / 50)));
-		ui->lightOn_B_S->setValue((int)(value.toInt() / 50));
-	}
-}
-
-void SettingsWindow::lightBValueChanged(int value)
-{
-	ui->light_B_LE->setText(QString::number(value));
-
-	if (ui->checkAutoColor->isChecked())
-	{
-		ui->lightOn_B_LE->setText(QString::number((int)(value / 50)));
-		ui->lightOn_B_S->setValue((int)(value / 50));
-	}
-}
-
-#pragma endregion
-
+// connection slots
 
 void SettingsWindow::autoColorToggled()
 {