Method update_device_info

DSView/pv/dialogs/calibration.cpp:130–233

}

void Calibration::update_device_info()
{ 
    if (_device_agent->have_instance() == false){
        assert(false);
    }

    for(std::list<QSlider *>::const_iterator i = _slider_list.begin();
        i != _slider_list.end(); i++) {
        (*i)->setParent(NULL);
        _flayout->removeWidget((*i));
        delete (*i);
    }

    _slider_list.clear();
    for(std::list<QLabel *>::const_iterator i = _label_list.begin();
        i != _label_list.end(); i++) {
        (*i)->setParent(NULL);
        _flayout->removeWidget((*i));
        delete (*i);
    }
    _label_list.clear();

    _flayout->setSpacing(15);

    for (const GSList *l = _device_agent->get_channels(); l; l = l->next) {
        sr_channel *const probe = (sr_channel*)l->data;
        assert(probe);

        uint64_t vgain = 0, vgain_default = 0;
        int vgain_range = 0;
        
        _device_agent->get_config_uint64(SR_CONF_PROBE_VGAIN, vgain, probe, NULL);
        _device_agent->get_config_uint64(SR_CONF_PROBE_VGAIN_DEFAULT, vgain_default, probe, NULL);   
        _device_agent->get_config_uint16(SR_CONF_PROBE_VGAIN_RANGE, vgain_range, probe, NULL);

        QSlider *gain_slider = new QSlider(Qt::Horizontal, this);
        gain_slider->setRange(-vgain_range/2, vgain_range/2);
        gain_slider->setValue(vgain - vgain_default);
        gain_slider->setObjectName(VGAIN+probe->index);
        QString gain_string = CHANNEL_LABEL + QString::number(probe->index) + VGAIN;
        QLabel *gain_label = new QLabel(gain_string, this);
        ui::adjust_label_size(gain_label, ui::ADJUST_HEIGHT);
        gain_slider->setFixedHeight(gain_label->size().height());
        gain_label->setAlignment(Qt::AlignVCenter);        
        _flayout->addRow(gain_label, gain_slider);
        _slider_list.push_back(gain_slider);
        _label_list.push_back(gain_label);

        uint64_t voff = 0;
        uint16_t voff_range = 0;
        int v;
 
        if (_device_agent->get_config_uint16(SR_CONF_PROBE_PREOFF, v, probe, NULL)) {
            voff = (uint64_t)v;
        }
        if (_device_agent->get_config_uint16(SR_CONF_PROBE_PREOFF_MARGIN, v, probe, NULL)) {
            voff_range = (uint16_t)v;
        }