+void MainWindow::speed_lock_clicked()
+{
+ // TODO: Make for a less abrupt transition if we're not already at 100%.
+ ui->speed_slider->setValue(100); // Also actually sets the master speed and updates the label.
+ ui->speed_slider->setEnabled(!ui->speed_lock_btn->isChecked());
+ midi_mapper.set_locked(MIDIMapper::LightState(ui->speed_lock_btn->isChecked()));
+ lock_blink_timeout->stop();
+}
+