[this](const QItemSelection & selected, const QItemSelection & deselected)

            {

                if (!selected.length())

                {

                    ui->colorSelector->setDisabled(true);

                    // temporarily block signals because `setColor` emits `colorChanged`

                    bool wasBlocked = ui->colorSelector->blockSignals(true);

                    ui->colorSelector->setColor(QColor(0,0,0,0));

                    ui->colorSelector->blockSignals(wasBlocked);

                }

            });

    connect(ui->colorSelector, &color_widgets::ColorSelector::colorChanged,

            [this](QColor color)

            {

                auto index = ui->tvChannelInfo->selectionModel()->currentIndex();

                ui->tvChannelInfo->model()->setData(index, color, Qt::ForegroundRole);

            });

    connect(model, &QAbstractItemModel::dataChanged,

            [this](const QModelIndex & topLeft, const QModelIndex & bottomRight, const QVector<int> & roles = QVector<int> ())

            {

                auto current = ui->tvChannelInfo->selectionModel()->currentIndex();

                // no current selection

                if (!current.isValid()) return;

                auto mod = ui->tvChannelInfo->model();

                QColor color = mod->data(current, Qt::ForegroundRole).value<QColor>();

                // temporarily block signals because `setColor` emits `colorChanged`

                bool wasBlocked = ui->colorSelector->blockSignals(true);

                ui->colorSelector->setColor(color);

                ui->colorSelector->blockSignals(wasBlocked);

            });

    // reset actions

    connect(&resetAct, &QAction::triggered, model, &ChannelInfoModel::resetInfos);

    connect(&resetNamesAct, &QAction::triggered, model, &ChannelInfoModel::resetNames);

    connect(&resetColorsAct, &QAction::triggered, model, &ChannelInfoModel::resetColors);

    connect(&showAllAct, &QAction::triggered, model, &ChannelInfoModel::resetVisibility);

}

void PlotControlPanel::saveSettings(QSettings* settings)

{

    settings->beginGroup(SettingGroup_Plot);

    settings->setValue(SG_Plot_NumOfSamples, numOfSamples());

    settings->setValue(SG_Plot_AutoScale, autoScale());

    settings->setValue(SG_Plot_YMax, yMax());

    settings->setValue(SG_Plot_YMin, yMin());

    settings->endGroup();

}

void PlotControlPanel::loadSettings(QSettings* settings)

{

    settings->beginGroup(SettingGroup_Plot);

    ui->spNumOfSamples->setValue(

        settings->value(SG_Plot_NumOfSamples, numOfSamples()).toInt());

    ui->cbAutoScale->setChecked(

        settings->value(SG_Plot_AutoScale, autoScale()).toBool());

    ui->spYmax->setValue(settings->value(SG_Plot_YMax, yMax()).toDouble());

    ui->spYmin->setValue(settings->value(SG_Plot_YMin, yMin()).toDouble());

    settings->endGroup();

}

const char SettingGroup_Commands[] = "Commands";

const char SettingGroup_Record[] = "Record";

// mainwindow setting keys

const char SG_MainWindow_Size[] = "size";

const char SG_MainWindow_Pos[] = "pos";

const char SG_MainWindow_ActivePanel[] = "activePanel";

const char SG_MainWindow_HidePanels[] = "hidePanels";

const char SG_MainWindow_Maximized[] = "maximized";

const char SG_MainWindow_State[] = "state";

// port setting keys

const char SG_Port_SelectedPort[] = "selectedPort";

const char SG_Port_BaudRate[] = "baudRate";

const char SG_Port_Parity[] = "parity";

const char SG_Port_DataBits[] = "dataBits";

const char SG_Port_StopBits[] = "stopBits";

const char SG_Port_FlowControl[] = "flowControl";

// data format panel keys

const char SG_DataFormat_Format[] = "format";

// binary stream reader keys

const char SG_Binary_NumOfChannels[] = "numOfChannels";

const char SG_Binary_NumberFormat[] = "numberFormat";

const char SG_Binary_Endianness[] = "endianness";

// ascii reader keys

const char SG_ASCII_NumOfChannels[] = "numOfChannels";

// framed reader keys

const char SG_CustomFrame_NumOfChannels[] = "numOfChannels";

const char SG_CustomFrame_FrameStart[] = "frameStart";

const char SG_CustomFrame_FixedSize[] = "fixedSize";

const char SG_CustomFrame_FrameSize[] = "frameSize";

const char SG_CustomFrame_NumberFormat[] = "numberFormat";

const char SG_CustomFrame_Endianness[] = "endianness";

const char SG_CustomFrame_Checksum[] = "checksum";

const char SG_CustomFrame_DebugMode[] = "debugMode";

// channel manager keys

const char SG_Channels_Channel[] = "channel";

const char SG_Channels_Name[] = "name";

const char SG_Channels_Color[] = "color";

const char SG_Channels_Visible[] = "visible";

// plot settings keys

const char SG_Plot_NumOfSamples[] = "numOfSamples";

const char SG_Plot_AutoScale[] = "autoScale";

const char SG_Plot_YMax[] = "yMax";

const char SG_Plot_YMin[] = "yMin";

const char SG_Plot_DarkBackground[] = "darkBackground";

const char SG_Plot_Grid[] = "grid";

const char SG_Plot_MinorGrid[] = "minorGrid";

const char SG_Plot_Legend[] = "legend";

const char SG_Plot_MultiPlot[] = "multiPlot";

// command setting keys

const char SG_Commands_Command[] = "command";

const char SG_Commands_Name[] = "name";

const char SG_Commands_Type[] = "type";

const char SG_Commands_Data[] = "data";

// record panel settings keys

const char SG_Record_AutoIncrement[]    = "autoIncrement";

const char SG_Record_RecordPaused[]     = "recordPaused";

const char SG_Record_StopOnClose[]      = "stopOnClose";

const char SG_Record_Header[]           = "header";

const char SG_Record_Separator[]        = "separator";

const char SG_Record_DisableBuffering[] = "disableBuffering";

#endif // SETTING_DEFINES_H