code_app/modules/twainui/dialog_device_select.cpp

#include "dialog_device_select.h"
#include "ui_dialog_device_select.h"

Dialog_device_select::Dialog_device_select(const std::vector<DEVQUEUI>& devs, QWidget *parent) :
    QDialog(parent),
    ui(new Ui::Dialog_device_select)
  , m_devId(-1)
  , m_devs(devs)
{
    ui->setupUi(this);

    for (int i = 0; i < m_devs.size(); ++i)
    {
        ui->listWidget->addItem(QString::fromStdString(m_devs[i].name));
    }
}

Dialog_device_select::~Dialog_device_select()
{
    delete ui;
}

int Dialog_device_select::getDevId()
{
    return m_devId;
}

void Dialog_device_select::on_pbtn_ok_clicked()
{
    if (ui->listWidget->count() == 0)
    {
        m_devId = -1;
    }
    else
    {
        std::string selectDev = ui->listWidget->currentItem()->text().toStdString();

        for (int i = 0; i < m_devs.size(); ++i)
        {
            if (m_devs[i].name == selectDev)
            {
                m_devId = m_devs[i].id;
                break;
            }
            else
            {
                m_devId = -1;
            }
        }
    }

    accept();
}

void Dialog_device_select::on_pbtn_cancel_clicked()
{
    m_devId = -1;
    reject();
}