code_app/modules/twainui/dialog_twain_source_select.cpp

#include "dialog_twain_source_select.h"
#include "ui_dialog_twain_source_select.h"

Dialog_Twain_Source_Select::Dialog_Twain_Source_Select(const std::vector<TW_IDENTITY> &vds,
                                                       const std::string &defDSName, QWidget *parent) :
    QDialog(parent),
    ui(new Ui::Dialog_Twain_Source_Select)
{
    ui->setupUi(this);

    m_vSource = vds;
    memset(&m_ds, 0, sizeof(TW_IDENTITY));

    setWindowFlags(Qt::Dialog | Qt::WindowCloseButtonHint);

    for (int i = 0; i < m_vSource.size(); ++i)
    {
        char name[256];
        sprintf(name, "%s %u.%u", m_vSource[i].ProductName, m_vSource[i].Version.MajorNum, m_vSource[i].Version.MinorNum);
        ui->listWidget->addItem(name);

        if (0 == strcmp(m_vSource[i].ProductName, defDSName.c_str()))
        {
            ui->listWidget->setCurrentItem(ui->listWidget->item(i));
        }
    }

    QListWidgetItem *item = ui->listWidget->currentItem();
    if (item == nullptr)
        ui->listWidget->setCurrentRow(0);
}

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

void Dialog_Twain_Source_Select::GetIdentify(TW_IDENTITY *ds)
{
    memcpy(ds, &m_ds, sizeof(TW_IDENTITY));
}

void Dialog_Twain_Source_Select::keyPressEvent(QKeyEvent *e)
{
    if (e->key() == Qt::Key_Escape)
    {
        e->ignore();
    }
}

void Dialog_Twain_Source_Select::on_pushButton_OK_clicked()
{
    int index = ui->listWidget->currentRow();
    if (index < 0)
    {
        return;
    }

    memcpy(&m_ds, &m_vSource[index], sizeof(TW_IDENTITY));
    accept();
}

void Dialog_Twain_Source_Select::on_pushButton_Cancel_clicked()
{
    reject();
}

void Dialog_Twain_Source_Select::on_listWidget_itemDoubleClicked(QListWidgetItem *item)
{
    on_pushButton_OK_clicked();
}