code_app/app/scantool/dialog_add.cpp

#include "dialog_add.h"
#include "ui_dialog_add.h"
#include "mainwindow.h"
#include <QMessageBox>

Dialog_Add::Dialog_Add(SANE_Handle devHandle, class MainWindow *mainWnd, const std::string &deviceType)
    : QDialog(mainWnd)
    , ui(new Ui::Dialog_Add)
    , m_mainWnd(mainWnd)
    , m_index(-1)
{
    ui->setupUi(this);
    setWindowFlags(Qt::Dialog | Qt::WindowCloseButtonHint);
    this->setWindowTitle(tr("Add") + " (" + QString(deviceType.c_str()) + ")");

    ui->comboBoxButtonId->addItem("Manual");
    SANE_Int buttonCount = 0;
    sane_control_option(devHandle, (SANE_Int)0x886E, SANE_ACTION_GET_VALUE, &buttonCount, NULL);
    for (SANE_Int i = 0; i < buttonCount; ++i)
        ui->comboBoxButtonId->addItem(tr("Button ") + QString::number(i + 1));

    m_scanParam.deviceType = deviceType;
    m_scanParam.buttonId = ui->comboBoxButtonId->currentIndex();
    m_scanParam.deviceConfigs.clear();
    m_scanParam.saveParam = Form_SaveParam::GetDefSaveParam();

    m_formDeviceConfig = new Form_DeviceConfig(devHandle, m_scanParam.deviceConfigs, this);
    connect(this, SIGNAL(closeDevice()), m_formDeviceConfig, SLOT(on_closeDevice()));
    m_formSaveParam = new Form_SaveParam(m_scanParam.saveParam, this);
    ui->stackedWidget->addWidget(m_formDeviceConfig);
    ui->stackedWidget->addWidget(m_formSaveParam);
    ui->stackedWidget->setCurrentIndex(0);
}

Dialog_Add::Dialog_Add(SANE_Handle devHandle, class MainWindow *mainWnd, const ScanParam &scanParam, int index)
    : QDialog(mainWnd)
    , ui(new Ui::Dialog_Add)
    , m_mainWnd(mainWnd)
    , m_index(index)
{
    ui->setupUi(this);
    setWindowFlags(Qt::Dialog | Qt::WindowCloseButtonHint);
    this->setWindowTitle(tr("Modify") + " (" + QString(scanParam.deviceType.c_str()) + ")");

    ui->comboBoxButtonId->addItem("Manual");
    SANE_Int buttonCount = 0;
    sane_control_option(devHandle, (SANE_Int)0x886E, SANE_ACTION_GET_VALUE, &buttonCount, NULL);
    for (SANE_Int i = 0; i < buttonCount; ++i)
        ui->comboBoxButtonId->addItem(tr("Button ") + QString::number(i + 1));

    m_scanParam = scanParam;
    ui->comboBoxButtonId->setCurrentIndex(m_scanParam.buttonId);

    m_formDeviceConfig = new Form_DeviceConfig(devHandle, m_scanParam.deviceConfigs, this);
    connect(this, SIGNAL(closeDevice()), m_formDeviceConfig, SLOT(on_closeDevice()));
    m_formSaveParam = new Form_SaveParam(m_scanParam.saveParam, this);
    ui->stackedWidget->addWidget(m_formDeviceConfig);
    ui->stackedWidget->addWidget(m_formSaveParam);
    ui->stackedWidget->setCurrentIndex(0);
}

Dialog_Add::~Dialog_Add()
{
    delete m_formSaveParam;
    m_formSaveParam = nullptr;
    disconnect(this, SIGNAL(closeDevice()), m_formDeviceConfig, SLOT(on_closeDevice()));
    delete m_formDeviceConfig;
    m_formDeviceConfig = nullptr;

    delete ui;
}

ScanParam Dialog_Add::GetScanParam()
{
    return m_scanParam;
}

void Dialog_Add::on_closeDevice()
{
    emit closeDevice();
    reject();
}

void Dialog_Add::on_pushButtonDeviceConfig_clicked()
{
    ui->stackedWidget->setCurrentIndex(0);
}

void Dialog_Add::on_pushButtonSaveParam_clicked()
{
    ui->stackedWidget->setCurrentIndex(1);
}

void Dialog_Add::on_comboBoxButtonId_currentIndexChanged(int index)
{
    m_scanParam.buttonId = index;
}

void Dialog_Add::on_pushButtonOK_clicked()
{
    if (m_mainWnd->FindScanParam(m_scanParam.deviceType, m_scanParam.buttonId, m_index))
    {
        QMessageBox::information(this, tr("Tips"), tr("Item find in list"));
        return;
    }

    m_scanParam.deviceConfigs = m_formDeviceConfig->GetDeviceConfigs();
    m_scanParam.saveParam = m_formSaveParam->GetSaveParam();
    accept();
}

void Dialog_Add::on_pushButtonCancel_clicked()
{
    reject();
}