+void slave_knob(QDial *master, QDial *slave)
+{
+ QWidget::connect(master, &QDial::valueChanged, [slave](int value){
+ slave->blockSignals(true);
+ slave->setValue(value);
+ slave->blockSignals(false);
+ });
+ QWidget::connect(slave, &QDial::valueChanged, [master](int value){
+ master->setValue(value);
+ });
+}
+
+void slave_checkbox(QCheckBox *master, QCheckBox *slave)
+{
+ QWidget::connect(master, &QCheckBox::stateChanged, [slave](int state){
+ slave->blockSignals(true);
+ slave->setCheckState(Qt::CheckState(state));
+ slave->blockSignals(false);
+ });
+ QWidget::connect(slave, &QCheckBox::stateChanged, [master](int state){
+ master->setCheckState(Qt::CheckState(state));
+ });
+}
+