ui->plot->replot();

}

void MainWindow::onNumOfSamplesChanged(int value)

{

    numOfSamples = value;

    channelMan.setNumOfSamples(value);

    ui->plot->replot();

}

void MainWindow::onNumOfChannelsChanged(unsigned value)

{

    unsigned int oldNum = curves.size();

    unsigned numOfChannels = value;

    if (numOfChannels > oldNum)

    {

        // add new channels

        for (unsigned int i = oldNum; i < numOfChannels; i++)

        {

            QwtPlotCurve* curve = new QwtPlotCurve(channelMan.channelName(i));

            // TODO: create a wrapper around FrameBuffer that holds a

            // pointer to it and provides the QwtDataSeries interface,

            // that wrapper should be created for and owned by 'curve'

            curve->setSamples(channelMan.channelBuffer(i));

            curve->setPen(Plot::makeColor(i));

            curve->attach(ui->plot);

            curves.append(curve);

        }

    }

    else if(numOfChannels < oldNum)

    {

        // remove channels

        for (unsigned int i = 0; i < oldNum - numOfChannels; i++)

        {

            // also deletes owned FrameBuffer TODO: which souldn't happen

            delete curves.takeLast();

        }

    }

    ui->plot->replot();

}

void MainWindow::onChannelNameChanged(unsigned channel, QString name)

{

    // This slot is triggered also when a new channel is added, in

    // this case curve list doesn't contain said channel. No worries,

    // since `onNumOfChannelsChanged` slot will update curve list.

    {

        curves[channel]->setTitle(name);

        ui->plot->replot();

    }

}

void MainWindow::onAutoScaleChecked(bool checked)

{

    if (checked)

    {

        ui->plot->setAxis(true);

        ui->lYmin->setEnabled(false);

        ui->lYmax->setEnabled(false);

        ui->spYmin->setEnabled(false);

        ui->spYmax->setEnabled(false);

    }

    else

    {

        ui->lYmin->setEnabled(true);

        ui->lYmax->setEnabled(true);

        ui->spYmin->setEnabled(true);

        ui->spYmax->setEnabled(true);

        ui->plot->setAxis(false,  ui->spYmin->value(), ui->spYmax->value());

    }

}

void MainWindow::onYScaleChanged()

{

    ui->plot->setAxis(false,  ui->spYmin->value(), ui->spYmax->value());

}

void MainWindow::onRangeSelected()

{

    Range r = ui->cbRangePresets->currentData().value<Range>();

    ui->spYmin->setValue(r.rmin);

    ui->spYmax->setValue(r.rmax);

    ui->cbAutoScale->setChecked(false);

}

void MainWindow::onSpsChanged(unsigned sps)

{

    spsLabel.setText(QString::number(sps) + "sps");

}

bool MainWindow::isDemoRunning()

{

    return ui->actionDemoMode->isChecked();