code_app/app/scantool/mainwindow.cpp

#include "mainwindow.h"
#include "ui_mainwindow.h"
#include <QCloseEvent>
#include <QMessageBox>
#include <QDateTime>
#include <QFileInfo>
#include "base/HGTime.h"
#include "base/HGUtility.h"
#include "base/HGBase64.h"
#include "base/HGCrash.h"
#include "imgproc/HGImgProc.h"
#include "imgproc/HGOCR.h"
#include "huagao/hgscanner_error.h"
#include "dialog_scaninfo.h"
#include "form_saveparam.h"
#include "sqlite3.h"
#include "cJSON.h"
#include "HGString.h"

MainWindow::MainWindow(QWidget *parent)
    : QMainWindow(parent)
    , ui(new Ui::MainWindow)
    , m_dlgAdd(nullptr)
    , m_dlgScanInfo(nullptr)
    , m_devHandle(nullptr)
    , m_scanning(false)
    , m_dpi(200)
    , m_scanFileName("")
    , m_scanImgFmtWriter(nullptr)
    , m_ocrMsgPump(nullptr)
    , m_ocrThread(nullptr)
    , m_timerId(-1)
{
    ui->setupUi(this);
    this->setWindowIcon(QIcon(":images/image_rsc/png/logo.png"));

    HGBase_RegisterCrashFunc(CrashFunc, this);

    ui->pushButtonScan->setEnabled(false);
    ui->pushButtonAdd->setEnabled(false);
    ui->pushButtonModify->setEnabled(false);

    m_trayIcon = new QSystemTrayIcon(this);
    m_trayIcon->setIcon(QIcon(":images/image_rsc/png/logo.png"));
    m_trayIcon->show();
    m_trayIcon->setToolTip(tr("Scan Tool"));

    qRegisterMetaType<QSystemTrayIcon::ActivationReason>("QSystemTrayIcon::ActivationReason");
    connect(m_trayIcon, &QSystemTrayIcon::activated, this, &MainWindow::on_trayActivated);

    m_showAction = new QAction(tr("Show"), this);
    connect(m_showAction, &QAction::triggered, this, &MainWindow::on_showMainWindowDlg);
    m_quitAction = new QAction(tr("Exit"), this);
    connect(m_quitAction, &QAction::triggered, this, &QCoreApplication::quit);   //应用程序的退出

    //创建菜单，添加菜单项
    m_trayIconMenu = new QMenu(this);
    m_trayIconMenu->addAction(m_showAction);
    m_trayIconMenu->addSeparator();   //分割线
    m_trayIconMenu->addAction(m_quitAction);
    //给系统托盘添加右键菜单
    m_trayIcon->setContextMenu(m_trayIconMenu);

    ui->tableWidget->setColumnCount(4);
    ui->tableWidget->setSelectionBehavior(QAbstractItemView::SelectRows);
    ui->tableWidget->setStyleSheet("selection-background-color:rgb(0, 120, 215)");
    ui->tableWidget->setSelectionMode(QAbstractItemView::SingleSelection);
    ui->tableWidget->horizontalHeader()->setFixedHeight(40);
    ui->tableWidget->horizontalHeader()->setStretchLastSection(true);
    ui->tableWidget->setHorizontalHeaderItem(0, new QTableWidgetItem(tr("Device Type")));
    ui->tableWidget->setHorizontalHeaderItem(1, new QTableWidgetItem(tr("Button Id")));
    ui->tableWidget->setHorizontalHeaderItem(2, new QTableWidgetItem(tr("Device Config")));
    ui->tableWidget->setHorizontalHeaderItem(3, new QTableWidgetItem(tr("Save Param")));
    ui->tableWidget->horizontalHeader()->setSectionResizeMode(0, QHeaderView::Stretch);
    ui->tableWidget->horizontalHeader()->setSectionResizeMode(1, QHeaderView::Stretch);
    ui->tableWidget->horizontalHeader()->setSectionResizeMode(2, QHeaderView::Stretch);
    ui->tableWidget->horizontalHeader()->setSectionResizeMode(3, QHeaderView::Stretch);

    LoadCfg();

    ui->tableWidget->setRowCount((int)m_vScanParams.size());
    for (int index = 0; index < (int)m_vScanParams.size(); ++index)
    {
        ui->tableWidget->setRowHeight(index, 30);

        ui->tableWidget->setItem(index, 0, new QTableWidgetItem(QString(m_vScanParams[index].deviceType.c_str())));
        ui->tableWidget->item(index, 0)->setTextAlignment(Qt::AlignCenter);
        ui->tableWidget->item(index, 0)->setFlags(ui->tableWidget->item(index, 0)->flags() & ~Qt::ItemIsEditable);

        QStringList btnTypeStr = {tr("Manual"), tr("Button 1"), tr("Button 2"), tr("Button 3"), tr("Button 4"), tr("Button 5")};
        ui->tableWidget->setItem(index, 1, new QTableWidgetItem(btnTypeStr[m_vScanParams[index].buttonId]));
        ui->tableWidget->item(index, 1)->setTextAlignment(Qt::AlignCenter);
        ui->tableWidget->item(index, 1)->setFlags(ui->tableWidget->item(index, 1)->flags() & ~Qt::ItemIsEditable);

        ui->tableWidget->setItem(index, 2, new QTableWidgetItem(GetDesc(m_vScanParams[index].deviceConfigs)));
        ui->tableWidget->item(index, 2)->setTextAlignment(Qt::AlignCenter);
        ui->tableWidget->item(index, 2)->setFlags(ui->tableWidget->item(index, 2)->flags() & ~Qt::ItemIsEditable);

        ui->tableWidget->setItem(index, 3, new QTableWidgetItem(GetDesc(m_vScanParams[index].saveParam)));
        ui->tableWidget->item(index, 3)->setTextAlignment(Qt::AlignCenter);
        ui->tableWidget->item(index, 3)->setFlags(ui->tableWidget->item(index, 3)->flags() & ~Qt::ItemIsEditable);
    }

    ui->tableWidget->selectRow(0);

    m_dlgScanInfo = new Dialog_ScanInfo(this);

    connect(this, SIGNAL(deviceArrive(QString)), this, SLOT(on_deviceArrive(QString)), Qt::QueuedConnection);
    connect(this, SIGNAL(deviceRemove(QString)), this, SLOT(on_deviceRemove(QString)), Qt::QueuedConnection);
    connect(this, SIGNAL(keyPress(unsigned int)), this, SLOT(on_keyPress(unsigned int)), Qt::QueuedConnection);
    connect(this, SIGNAL(scanWorking()), this, SLOT(on_scanWorking()), Qt::QueuedConnection);
    connect(this, SIGNAL(scanInfo(QString, bool)), this, SLOT(on_scanInfo(QString, bool)), Qt::QueuedConnection);
    connect(this, SIGNAL(scanImage(unsigned int)), this, SLOT(on_scanImage(unsigned int)));
    connect(this, SIGNAL(scanFinish()), this, SLOT(on_scanFinish()), Qt::QueuedConnection);
    connect(this, SIGNAL(saneEventCloseDevice(void*, bool)), this, SLOT(on_saneEventCloseDevice(void*, bool)), Qt::QueuedConnection);

    SANE_Int version_code = 0;
    sane_init_ex(&version_code, sane_ex_callback, this);
}

MainWindow::~MainWindow()
{
    assert(nullptr == m_dlgAdd);
    if (NULL != m_devHandle)
    {
        StopScan();
        sane_close(m_devHandle);
        m_devHandle = NULL;
        m_devName.clear();
    }

    sane_exit();

    delete m_dlgScanInfo;
    delete ui;
}

bool MainWindow::FindScanParam(const std::string &deviceType, unsigned int buttonId, int ignoreIndex)
{
    for (int i = 0; i < (int)m_vScanParams.size(); ++i)
    {
        if (deviceType == m_vScanParams[i].deviceType && buttonId == m_vScanParams[i].buttonId)
        {
            if (-1 == ignoreIndex) // 表示均不忽略
            {
                return true;
            }
            else if (i != ignoreIndex)
            {
                return true;
            }
        }
    }

    return false;
}

void MainWindow::StopScan()
{
    if (m_scanning)
    {
        assert(NULL != m_devHandle);
        sane_cancel(m_devHandle);
        m_scanning = false;
        m_quitAction->setEnabled(true);
        ui->pushButtonAdd->setEnabled(true);
        ui->pushButtonModify->setEnabled(true);
        ui->pushButtonRemove->setEnabled(true);
        ui->comboBox->setEnabled(true);
        ui->pushButtonScan->setEnabled(true);
        m_dpi = 200;
    }
}

std::vector<DeviceConfig> MainWindow::MakeDeviceConfigs(const std::string &str)
{
    std::vector<DeviceConfig> deviceConfigs;

    cJSON* json = cJSON_Parse(str.c_str());
    if (NULL != json)
    {
        cJSON* p = json->child;
        while (NULL != p)
        {
            if (0 != strcmp(p->string, "device_configs"))
            {
                p = p->next;
                continue;
            }

            if (p->type != cJSON_Array)
            {
                break;
            }

            cJSON* pEx = p->child;
            while (NULL != pEx)
            {
                if (pEx->type != cJSON_Object)
                {
                    pEx = pEx->next;
                    continue;
                }

                std::string name;
                int valueType = 0;
                std::string stringValue;
                int intValue = 0;
                double doubleValue = 0;
                bool boolValue = false;

                cJSON* pEx2 = pEx->child;
                while (NULL != pEx2)
                {
                    if (0 == strcmp(pEx2->string, "name") && pEx2->type == cJSON_String)
                    {
                        name = pEx2->valuestring;
                    }
                    else if (0 == strcmp(pEx2->string, "value"))
                    {
                        if (pEx2->type == cJSON_String)
                        {
                            stringValue = pEx2->valuestring;
                        }
                        else if (pEx2->type == cJSON_Number)
                        {
                            intValue = pEx2->valueint;
                            doubleValue = pEx2->valuedouble;
                        }
                        else if (pEx2->type == cJSON_True)
                        {
                            boolValue = true;
                        }
                        else if (pEx2->type == cJSON_False)
                        {
                            boolValue = false;
                        }
                    }
                    else if (0 == strcmp(pEx2->string, "value_type") && pEx2->type == cJSON_Number)
                    {
                        valueType = pEx2->valueint;
                    }

                    pEx2 = pEx2->next;
                }

                DeviceConfig deviceConfig;
                deviceConfig.name = name;
                deviceConfig.valueType = valueType;
                if (1 == deviceConfig.valueType)
                    deviceConfig.stringValue = stringValue;
                else if (2 == deviceConfig.valueType)
                    deviceConfig.intValue = intValue;
                else if (3 == deviceConfig.valueType)
                    deviceConfig.doubleValue = doubleValue;
                else if (4 == deviceConfig.valueType)
                    deviceConfig.boolValue = boolValue;
                else if (5 == deviceConfig.valueType)
                {
                    HGSize length = 0;
                    HGBase_Base64Decode((const HGByte*)stringValue.c_str(), stringValue.size(), NULL, &length);
                    if (length == sizeof(SANE_Gamma))
                    {
                        HGBase_Base64Decode((const HGByte*)stringValue.c_str(), stringValue.size(), (HGByte*)&deviceConfig.gammaValue, &length);
                    }
                }

                deviceConfigs.push_back(deviceConfig);
                pEx = pEx->next;
            }

            break;
        }

        cJSON_Delete(json);
    }

    return deviceConfigs;
}

std::string MainWindow::GetDeviceConfigsStr(const std::vector<DeviceConfig> &deviceConfigs)
{
    std::string str;

    cJSON* json = cJSON_CreateObject();
    if (NULL != json)
    {
        cJSON* array = cJSON_CreateArray();
        for (int i = 0; i < deviceConfigs.size(); ++i)
        {
            cJSON* obj = cJSON_CreateObject();
            cJSON_AddItemToObject(obj, "name", cJSON_CreateString(deviceConfigs[i].name.c_str()));
            cJSON_AddItemToObject(obj, "value_type", cJSON_CreateNumber(deviceConfigs[i].valueType));

            if (1 == deviceConfigs[i].valueType)
            {
                cJSON_AddItemToObject(obj, "value", cJSON_CreateString(deviceConfigs[i].stringValue.c_str()));
            }
            else if (2 == deviceConfigs[i].valueType)
            {
                cJSON_AddItemToObject(obj, "value", cJSON_CreateNumber(deviceConfigs[i].intValue));
            }
            else if (3 == deviceConfigs[i].valueType)
            {
                cJSON_AddItemToObject(obj, "value", cJSON_CreateNumber(deviceConfigs[i].doubleValue));
            }
            else if (4 == deviceConfigs[i].valueType)
            {
                cJSON_AddItemToObject(obj, "value", deviceConfigs[i].boolValue ? cJSON_CreateTrue() : cJSON_CreateFalse());
            }
            else if (5 == deviceConfigs[i].valueType)
            {
                HGSize base64Size = 0;
                HGBase_Base64Encode((const HGByte*)&deviceConfigs[i].gammaValue, sizeof(SANE_Gamma), nullptr, &base64Size);
                char *base64 = (char *)malloc(base64Size + 1);
                HGBase_Base64Encode((const HGByte*)&deviceConfigs[i].gammaValue, sizeof(SANE_Gamma), (HGByte*)base64, &base64Size);
                base64[base64Size] = 0;
                cJSON_AddItemToObject(obj, "value", cJSON_CreateString(base64));
                free(base64);
            }

            cJSON_AddItemToArray(array, obj);
        }

        cJSON_AddItemToObject(json, "device_configs", array);

        char* resp = cJSON_Print(json);
        if (NULL != resp)
        {
            str = resp;
            free(resp);
        }

        cJSON_Delete(json);
    }

    return str;
}

SaveParam MainWindow::MakeSaveParam(const std::string &str)
{
    SaveParam saveParam = Form_SaveParam::GetDefSaveParam();

    cJSON* json = cJSON_Parse(str.c_str());
    if (NULL != json)
    {
        cJSON* p = json->child;
        while (NULL != p)
        {
            if (0 != strcmp(p->string, "save_param"))
            {
                p = p->next;
                continue;
            }

            if (p->type != cJSON_Object)
            {
                break;
            }

            cJSON* pEx = p->child;
            while (NULL != pEx)
            {
                if (0 == strcmp(pEx->string, "save_path") && pEx->type == cJSON_String)
                {
                    saveParam.savePath = Utf8ToStdString(pEx->valuestring);
                }
                else if (0 == strcmp(pEx->string, "use_subfolder_by_time") && pEx->type == cJSON_True)
                {
                    saveParam.isUseSubfolderByTime = true;
                }
                else if (0 == strcmp(pEx->string, "use_subfolder_by_time") && pEx->type == cJSON_False)
                {
                    saveParam.isUseSubfolderByTime = false;
                }
                else if (0 == strcmp(pEx->string, "use_subfolder_by_blank_pages") && pEx->type == cJSON_True)
                {
                    saveParam.isUseSubfolderByBlankPages = true;
                }
                else if (0 == strcmp(pEx->string, "use_subfolder_by_blank_pages") && pEx->type == cJSON_False)
                {
                    saveParam.isUseSubfolderByBlankPages = false;
                }
                else if (0 == strcmp(pEx->string, "use_subfolder_by_color") && pEx->type == cJSON_True)
                {
                    saveParam.isUseSubfolderByColor = true;
                }
                else if (0 == strcmp(pEx->string, "use_subfolder_by_color") && pEx->type == cJSON_False)
                {
                    saveParam.isUseSubfolderByColor = false;
                }
                else if (0 == strcmp(pEx->string, "jpeg_quality") && pEx->type == cJSON_Number)
                {
                    saveParam.jpegQuality = pEx->valueint;
                }
                else if (0 == strcmp(pEx->string, "tiff_compression_bw") && pEx->type == cJSON_Number)
                {
                    saveParam.tiffCompressionBW = pEx->valueint;
                }
                else if (0 == strcmp(pEx->string, "tiff_compression") && pEx->type == cJSON_Number)
                {
                    saveParam.tiffCompression = pEx->valueint;
                }
                else if (0 == strcmp(pEx->string, "tiff_quality") && pEx->type == cJSON_Number)
                {
                    saveParam.tiffQuality = pEx->valueint;
                }
                else if (0 == strcmp(pEx->string, "filename_prefix") && pEx->type == cJSON_String)
                {
                    saveParam.fileNamePrefix = Utf8ToStdString(pEx->valuestring);
                }
                else if (0 == strcmp(pEx->string, "filename_start_index") && pEx->type == cJSON_Number)
                {
                    saveParam.fileNameStartIndex = pEx->valueint;
                }
                else if (0 == strcmp(pEx->string, "filename_digits") && pEx->type == cJSON_Number)
                {
                    saveParam.fileNameDigits = pEx->valueint;
                }
                else if (0 == strcmp(pEx->string, "filename_odd_even_type") && pEx->type == cJSON_Number)
                {
                    saveParam.fileNameOddEvenType = pEx->valueint;
                }
                else if (0 == strcmp(pEx->string, "filename_ext") && pEx->type == cJSON_String)
                {
                    saveParam.fileNameExt = Utf8ToStdString(pEx->valuestring);
                }
                else if (0 == strcmp(pEx->string, "ocr") && pEx->type == cJSON_True)
                {
                    saveParam.isOcr = true;
                }
                else if (0 == strcmp(pEx->string, "ocr") && pEx->type == cJSON_False)
                {
                    saveParam.isOcr = false;
                }
                else if (0 == strcmp(pEx->string, "save_as_multi_page") && pEx->type == cJSON_True)
                {
                    saveParam.isSaveAsMultiPage = true;
                }
                else if (0 == strcmp(pEx->string, "save_as_multi_page") && pEx->type == cJSON_False)
                {
                    saveParam.isSaveAsMultiPage = false;
                }
                else if (0 == strcmp(pEx->string, "multi_pages_type") && pEx->type == cJSON_Number)
                {
                    saveParam.multiPagesType = pEx->valueint;
                }
                else if (0 == strcmp(pEx->string, "custom_multi_pages") && pEx->type == cJSON_Number)
                {
                    saveParam.customMultiPages = pEx->valueint;
                }

                pEx = pEx->next;
            }

            break;
        }

        cJSON_Delete(json);
    }

    return saveParam;
}

std::string MainWindow::GetSaveParamStr(const SaveParam &saveParam)
{
    std::string str;

    cJSON* json = cJSON_CreateObject();
    if (NULL != json)
    {
        cJSON* obj = cJSON_CreateObject();
        cJSON_AddItemToObject(obj, "save_path", cJSON_CreateString(StdStringToUtf8(saveParam.savePath).c_str()));
        cJSON_AddItemToObject(obj, "use_subfolder_by_time", saveParam.isUseSubfolderByTime ? cJSON_CreateTrue() : cJSON_CreateFalse());
        cJSON_AddItemToObject(obj, "use_subfolder_by_blank_pages", saveParam.isUseSubfolderByBlankPages ? cJSON_CreateTrue() : cJSON_CreateFalse());
        cJSON_AddItemToObject(obj, "use_subfolder_by_color", saveParam.isUseSubfolderByColor ? cJSON_CreateTrue() : cJSON_CreateFalse());
        cJSON_AddItemToObject(obj, "jpeg_quality", cJSON_CreateNumber(saveParam.jpegQuality));
        cJSON_AddItemToObject(obj, "tiff_compression_bw", cJSON_CreateNumber(saveParam.tiffCompressionBW));
        cJSON_AddItemToObject(obj, "tiff_compression", cJSON_CreateNumber(saveParam.tiffCompression));
        cJSON_AddItemToObject(obj, "tiff_quality", cJSON_CreateNumber(saveParam.tiffQuality));
        cJSON_AddItemToObject(obj, "filename_prefix", cJSON_CreateString(StdStringToUtf8(saveParam.fileNamePrefix).c_str()));
        cJSON_AddItemToObject(obj, "filename_start_index", cJSON_CreateNumber(saveParam.fileNameStartIndex));
        cJSON_AddItemToObject(obj, "filename_digits", cJSON_CreateNumber(saveParam.fileNameDigits));
        cJSON_AddItemToObject(obj, "filename_odd_even_type", cJSON_CreateNumber(saveParam.fileNameOddEvenType));
        cJSON_AddItemToObject(obj, "filename_ext", cJSON_CreateString(StdStringToUtf8(saveParam.fileNameExt).c_str()));
        cJSON_AddItemToObject(obj, "ocr", saveParam.isOcr ? cJSON_CreateTrue() : cJSON_CreateFalse());
        cJSON_AddItemToObject(obj, "save_as_multi_page", saveParam.isSaveAsMultiPage ? cJSON_CreateTrue() : cJSON_CreateFalse());
        cJSON_AddItemToObject(obj, "multi_pages_type", cJSON_CreateNumber(saveParam.multiPagesType));
        cJSON_AddItemToObject(obj, "custom_multi_pages", cJSON_CreateNumber(saveParam.customMultiPages));
        cJSON_AddItemToObject(json, "save_param", obj);

        char* resp = cJSON_Print(json);
        if (NULL != resp)
        {
            str = resp;
            free(resp);
        }

        cJSON_Delete(json);
    }

    return str;
}

void MainWindow::LoadCfg()
{
    m_vScanParams.clear();

    HGChar cfgPath[256];
    HGBase_GetConfigPath(cfgPath, 256);
    char dbPath[256];
    sprintf(dbPath, "%s%s", cfgPath, "config.db");

    sqlite3 *sqlite = nullptr;
    sqlite3_open_v2(dbPath, &sqlite, SQLITE_OPEN_READONLY | SQLITE_OPEN_NOMUTEX | SQLITE_OPEN_SHAREDCACHE, NULL);
    if (NULL == sqlite)
    {
        return;
    }

    sqlite3_stmt* stmt = NULL;
    char sql[256];
    sprintf(sql, "select * from scan_params");
    int ret = sqlite3_prepare(sqlite, sql, -1, &stmt, NULL);
    if (0 != ret)
    {
        sqlite3_close(sqlite);
        return;
    }

    ret = sqlite3_step(stmt);
    while (SQLITE_ROW == ret)
    {
        int id = sqlite3_column_int(stmt, 0);
        const char* deviceType = (const char*)sqlite3_column_text(stmt, 1);
        int buttonId = sqlite3_column_int(stmt, 2);
        const char* deviceConfigs = (const char*)sqlite3_column_text(stmt, 3);
        const char* saveParam = (const char*)sqlite3_column_text(stmt, 4);

        ScanParam scanParam;
        scanParam.deviceType = deviceType;
        scanParam.buttonId = buttonId;
        scanParam.deviceConfigs = MakeDeviceConfigs(deviceConfigs);
        scanParam.saveParam = MakeSaveParam(saveParam);
        m_vScanParams.push_back(scanParam);

        ret = sqlite3_step(stmt);
    }

    ret = sqlite3_finalize(stmt);
    assert(0 == ret);

    sqlite3_close(sqlite);
}

void MainWindow::SaveCfg()
{
    HGChar cfgPath[256];
    HGBase_GetConfigPath(cfgPath, 256);
    HGBase_CreateDir(cfgPath);
    char dbPath[256];
    sprintf(dbPath, "%s%s", cfgPath, "config.db");
    HGBase_DeleteFile(dbPath);

    sqlite3 *sqlite = nullptr;
    sqlite3_open_v2(dbPath, &sqlite, SQLITE_OPEN_READWRITE | SQLITE_OPEN_CREATE | SQLITE_OPEN_NOMUTEX | SQLITE_OPEN_SHAREDCACHE, NULL);
    if (NULL == sqlite)
    {
        return;
    }

    int ret = sqlite3_exec(sqlite, "create table scan_params (id integer primary key autoincrement, device_type text, "
                 "button_id integer, device_configs text, save_param text)", NULL, NULL, NULL);
    if (0 != ret)
    {
        sqlite3_close(sqlite);
        return;
    }

    for (int i = 0; i < (int)m_vScanParams.size(); ++i)
    {
        std::string deviceConfigsStr = GetDeviceConfigsStr(m_vScanParams[i].deviceConfigs);
        std::string saveParamStr = GetSaveParamStr(m_vScanParams[i].saveParam);

        char *sql = new char [1024 + deviceConfigsStr.size() + saveParamStr.size()];
        sprintf(sql, "insert into scan_params (device_type, button_id, device_configs, save_param) values ('%s', '%d', '%s', '%s')",
                m_vScanParams[i].deviceType.c_str(), m_vScanParams[i].buttonId, deviceConfigsStr.c_str(), saveParamStr.c_str());
        sqlite3_exec(sqlite, sql, NULL, NULL, NULL);
    }

    sqlite3_close(sqlite);
}

QString MainWindow::GetDesc(const std::vector<DeviceConfig> &deviceConfigs)
{
    QString desc = "-";

    return desc;
}

QString MainWindow::GetDesc(const SaveParam &saveParam)
{
    QString desc = "-";

    return desc;
}

void MainWindow::StartScan(unsigned int buttonId)
{
    if (nullptr == m_devHandle)
    {
        QMessageBox::information(this, tr("Tips"), tr("Device is offline"));
        return;
    }

    if (m_scanning || nullptr != m_dlgAdd)
    {
        return;
    }

    std::string deviceType = m_devName.toStdString();
    char v[256] = {0};
    SANE_Status status = sane_control_option(m_devHandle, (SANE_Int)0x886D, SANE_ACTION_GET_VALUE, v, NULL);
    if (SANE_STATUS_GOOD == status)
    {
        deviceType = v;
    }

    ScanParam scanParam;
    bool find = false;
    for (int i = 0; i < (int)m_vScanParams.size(); ++i)
    {
        if (deviceType == m_vScanParams[i].deviceType && buttonId == m_vScanParams[i].buttonId)
        {
            scanParam = m_vScanParams[i];
            find = true;
        }
    }

    if (!find)
    {
        Show();
        ShowAddDialog(buttonId);
        return;
    }

    // 1.恢复默认
    SANE_Int num_dev_options = 0;
    sane_control_option(m_devHandle, 0, SANE_ACTION_GET_VALUE, &num_dev_options, NULL);
    for (int i = 1; i < num_dev_options; ++i)
    {
        const SANE_Option_Descriptor* desp = sane_get_option_descriptor(m_devHandle, i);
        if (NULL == desp)
            continue;

        const char* name = desp->name;
        while (' ' == *name)
            ++name;

        if (0 == strcmp(SANE_STD_OPT_NAME_RESTORE, name) && SANE_TYPE_BUTTON == desp->type)
        {
            sane_control_option(m_devHandle, i, SANE_ACTION_SET_VALUE, NULL, NULL);
            break;
        }
    }

    // 2.设置新的属性
    for (int i = 0; i < (int)scanParam.deviceConfigs.size(); ++i)
    {
        if (5 == scanParam.deviceConfigs[i].valueType)
        {
            sane_control_option(m_devHandle, SANE_OPT_ID_CUSTOM_GAMMA, SANE_ACTION_SET_VALUE, &scanParam.deviceConfigs[i].gammaValue, NULL);
            continue;
        }

        for (int j = 1; j < num_dev_options; ++j)
        {
            const SANE_Option_Descriptor* desp = sane_get_option_descriptor(m_devHandle, j);
            if (NULL == desp)
                continue;

            const char* name = desp->name;
            while (' ' == *name)
                ++name;

            if (0 == strcmp(scanParam.deviceConfigs[i].name.c_str(), name))
            {
                if (SANE_TYPE_STRING == desp->type)
                {
                    sane_control_option(m_devHandle, j, SANE_ACTION_SET_VALUE, (void*)scanParam.deviceConfigs[i].stringValue.c_str(), NULL);
                }
                else if (SANE_TYPE_INT == desp->type)
                {
                    SANE_Int value = scanParam.deviceConfigs[i].intValue;
                    sane_control_option(m_devHandle, j, SANE_ACTION_SET_VALUE, &value, NULL);
                }
                else if (SANE_TYPE_FIXED == desp->type)
                {
                    SANE_Fixed value = SANE_FIX(scanParam.deviceConfigs[i].doubleValue);
                    sane_control_option(m_devHandle, j, SANE_ACTION_SET_VALUE, &value, NULL);
                }
                else if (SANE_TYPE_BOOL == desp->type)
                {
                    SANE_Bool value = (SANE_Bool)scanParam.deviceConfigs[i].boolValue;
                    sane_control_option(m_devHandle, j, SANE_ACTION_SET_VALUE, &value, NULL);
                }

                break;
            }
        }
    }

    // 3. 获取DPI
    for (int i = 1; i < num_dev_options; ++i)
    {
        const SANE_Option_Descriptor* desp = sane_get_option_descriptor(m_devHandle, i);
        if (nullptr == desp)
            continue;

        if (SANE_TYPE_INT == desp->type)
        {
            SANE_Int value = 0;
            sane_control_option(m_devHandle, i, SANE_ACTION_GET_VALUE, &value, nullptr);
            if (0 == strcmp(desp->name, SANE_STD_OPT_NAME_RESOLUTION))
            {
                m_dpi = (HGUInt)value;
            }
        }
    }

    // 4.保存配置
    assert(m_scanFileName.isEmpty());
    assert(nullptr == m_scanImgFmtWriter);
    m_aquireIntoSaveParam = scanParam.saveParam;
    m_aquireIntoInBlank = true;
    m_aquireIntoBatchStartIndex = 0;
    m_aquireIntoPageIndex = 0;
    m_aquireIntoMultiPageCount = 0;

    QDateTime dateTime = QDateTime::currentDateTime();
    if (m_aquireIntoSaveParam.isUseSubfolderByTime)
    {
#ifdef HG_CMP_MSC
        std::string newPath = m_aquireIntoSaveParam.savePath + dateTime.toString("yyyy-MM-dd").toStdString() + "\\";
#else
        std::string newPath = m_aquireIntoSaveParam.savePath + dateTime.toString("yyyy-MM-dd").toStdString() + "/";
#endif
        m_aquireIntoSaveParam.savePath = newPath;
    }

    if (m_aquireIntoSaveParam.isOcr)
    {
        HGBase_CreateMsgPump(&m_ocrMsgPump);
        HGBase_OpenThread(ocrThreadFunc, this, &m_ocrThread);
    }

    m_scanning = true;
    m_quitAction->setEnabled(false);
    ui->pushButtonAdd->setEnabled(false);
    ui->pushButtonModify->setEnabled(false);
    ui->pushButtonRemove->setEnabled(false);
    ui->comboBox->setEnabled(false);
    ui->pushButtonScan->setEnabled(false);
    status = sane_start(m_devHandle);
    if (SANE_STATUS_GOOD != status)
    {
        if (NULL != m_ocrMsgPump)
        {
            HGBase_ExitMsgPump(m_ocrMsgPump);
            HGBase_CloseThread(m_ocrThread);
            m_ocrThread = NULL;
            HGBase_DestroyMsgPump(m_ocrMsgPump);
            m_ocrMsgPump = NULL;
        }

        m_scanning = false;
        m_quitAction->setEnabled(true);
        ui->pushButtonAdd->setEnabled(true);
        ui->pushButtonModify->setEnabled(true);
        ui->pushButtonRemove->setEnabled(true);
        ui->comboBox->setEnabled(true);
        ui->pushButtonScan->setEnabled(true);
        m_dpi = 200;

        emit scanWorking();
        emit scanInfo((const char*)sane_strstatus(status), true);
        emit scanFinish();
        return;
    }
}

void MainWindow::SaveImage(HGImage image)
{
    if (m_aquireIntoSaveParam.isSaveAsMultiPage)
    {
        if (nullptr == m_scanImgFmtWriter)
        {
            assert(m_scanFileName.isEmpty());
            HGBase_CreateDir(m_aquireIntoSaveParam.savePath.c_str());

            QString scanFileName;
            while (1)
            {
                scanFileName = QString::fromLocal8Bit(m_aquireIntoSaveParam.savePath.c_str()) + QString::fromLocal8Bit(m_aquireIntoSaveParam.fileNamePrefix.c_str())
                    + QString("%1.%2").arg(m_aquireIntoSaveParam.fileNameStartIndex, m_aquireIntoSaveParam.fileNameDigits, 10, QLatin1Char('0'))
                    .arg(QString::fromLocal8Bit(m_aquireIntoSaveParam.fileNameExt.c_str()));
                QFileInfo fileInfo(scanFileName);
                if (fileInfo.isFile())
                {
                    ++m_aquireIntoSaveParam.fileNameStartIndex;
                }
                else
                {
                    break;
                }
            }

            HGUInt fmtType = 0;
            if (nullptr != m_ocrMsgPump)
            {
                fmtType = HGIMGFMT_TYPE_TIFF;
            }

            HGImgFmt_OpenImageWriter(scanFileName.toLocal8Bit().toStdString().c_str(), fmtType, &m_scanImgFmtWriter);
            if (nullptr != m_scanImgFmtWriter)
            {
                m_scanFileName = scanFileName;
            }
        }

        if (nullptr != m_scanImgFmtWriter)
        {
            HGImgFmtSaveInfo saveInfo;
            saveInfo.jpegQuality = (HGUInt)m_aquireIntoSaveParam.jpegQuality;
            saveInfo.tiffCompression = HGIMGFMT_TIFFCOMP_NONE;
            saveInfo.tiffJpegQuality = (HGUInt)m_aquireIntoSaveParam.tiffQuality;

            HGImageInfo imgInfo;
            HGBase_GetImageInfo(image, &imgInfo);
            if (HGBASE_IMGTYPE_BINARY == imgInfo.type)
            {
                if (1 == m_aquireIntoSaveParam.tiffCompressionBW)
                    saveInfo.tiffCompression = HGIMGFMT_TIFFCOMP_LZW;
                else if (2 == m_aquireIntoSaveParam.tiffCompressionBW)
                    saveInfo.tiffCompression = HGIMGFMT_TIFFCOMP_CCITTFAX4;
            }
            else
            {
                if (1 == m_aquireIntoSaveParam.tiffCompression)
                    saveInfo.tiffCompression = HGIMGFMT_TIFFCOMP_LZW;
                else if (2 == m_aquireIntoSaveParam.tiffCompression)
                    saveInfo.tiffCompression = HGIMGFMT_TIFFCOMP_JPEG;
            }

            if (nullptr != m_ocrMsgPump)
            {
                saveInfo.jpegQuality = 100;
                saveInfo.tiffCompression = HGIMGFMT_TIFFCOMP_NONE;
                saveInfo.tiffJpegQuality = 100;
            }

            if (HGBASE_ERR_OK == HGImgFmt_SaveImageToWriter(m_scanImgFmtWriter, image, &saveInfo))
            {
                ++m_aquireIntoMultiPageCount;
                if (1 == m_aquireIntoSaveParam.multiPagesType && m_aquireIntoMultiPageCount == m_aquireIntoSaveParam.customMultiPages)
                {
                    HGImgFmt_CloseImageWriter(m_scanImgFmtWriter);
                    m_scanImgFmtWriter = nullptr;

                    if (nullptr != m_ocrMsgPump)
                    {
                        QString *filePath = new QString(m_scanFileName);
                        HGMsg msg;
                        msg.id = 1;
                        msg.data = filePath;
                        if (HGBASE_ERR_OK != HGBase_PostPumpMessage(m_ocrMsgPump, &msg))
                        {
                            delete filePath;
                        }
                    }

                    m_scanFileName.clear();
                    ++m_aquireIntoSaveParam.fileNameStartIndex;
                    m_aquireIntoMultiPageCount = 0;
                }
            }
        }
    }
    else
    {
        assert(nullptr == m_scanImgFmtWriter);

        QString savePath = QString::fromLocal8Bit(m_aquireIntoSaveParam.savePath.c_str());
        if (m_aquireIntoSaveParam.isUseSubfolderByBlankPages)
        {
            HGBool isBlank = HGFALSE;
            HGImgProc_ImageBlankCheck(image, nullptr, &isBlank);
            if (isBlank)
            {
                m_aquireIntoInBlank = true;
            }
            else
            {
                if (m_aquireIntoInBlank)
                {
                    ++m_aquireIntoBatchStartIndex;
                }

                m_aquireIntoInBlank = false;
            }

            char batchDir[20];
            sprintf(batchDir, "batch%d", m_aquireIntoBatchStartIndex);
#ifdef HG_CMP_MSC
            savePath = savePath + batchDir + "\\";
#else
            savePath = savePath + batchDir + "/";
#endif
        }

        if (m_aquireIntoSaveParam.isUseSubfolderByColor)
        {
            QString colorModeName;
            HGImageInfo imgInfo;
            HGBase_GetImageInfo(image, &imgInfo);
            if (HGBASE_IMGTYPE_BINARY == imgInfo.type)
                colorModeName = tr("binary");
            else if (HGBASE_IMGTYPE_GRAY == imgInfo.type)
                colorModeName = tr("gray");
            else
                colorModeName = tr("rgb");
#ifdef HG_CMP_MSC
            savePath = savePath + colorModeName + "\\";
#else
            savePath = savePath + colorModeName + "/";
#endif
        }

        HGBase_CreateDir(savePath.toLocal8Bit().toStdString().c_str());

        while (1)
        {
            m_scanFileName = savePath + QString::fromLocal8Bit(m_aquireIntoSaveParam.fileNamePrefix.c_str()) + QString("%1.%2")
                .arg(m_aquireIntoSaveParam.fileNameStartIndex, m_aquireIntoSaveParam.fileNameDigits, 10, QLatin1Char('0'))
                .arg(QString::fromLocal8Bit(m_aquireIntoSaveParam.fileNameExt.c_str()));
            QFileInfo fileInfo(m_scanFileName);
            if (fileInfo.isFile())
            {
                ++m_aquireIntoSaveParam.fileNameStartIndex;
            }
            else
            {
                break;
            }
        }

        HGImgFmtSaveInfo saveInfo;
        saveInfo.jpegQuality = (HGUInt)m_aquireIntoSaveParam.jpegQuality;
        saveInfo.tiffCompression = HGIMGFMT_TIFFCOMP_NONE;
        saveInfo.tiffJpegQuality = (HGUInt)m_aquireIntoSaveParam.tiffQuality;

        HGImageInfo imgInfo;
        HGBase_GetImageInfo(image, &imgInfo);
        if (HGBASE_IMGTYPE_BINARY == imgInfo.type)
        {
            if (1 == m_aquireIntoSaveParam.tiffCompressionBW)
                saveInfo.tiffCompression = HGIMGFMT_TIFFCOMP_LZW;
            else if (2 == m_aquireIntoSaveParam.tiffCompressionBW)
                saveInfo.tiffCompression = HGIMGFMT_TIFFCOMP_CCITTFAX4;
        }
        else
        {
            if (1 == m_aquireIntoSaveParam.tiffCompression)
                saveInfo.tiffCompression = HGIMGFMT_TIFFCOMP_LZW;
            else if (2 == m_aquireIntoSaveParam.tiffCompression)
                saveInfo.tiffCompression = HGIMGFMT_TIFFCOMP_JPEG;
        }

        HGUInt fmtType = 0;
        if (nullptr != m_ocrMsgPump)
        {
            fmtType = HGIMGFMT_TYPE_TIFF;
            saveInfo.jpegQuality = 100;
            saveInfo.tiffCompression = HGIMGFMT_TIFFCOMP_NONE;
            saveInfo.tiffJpegQuality = 100;
        }

        if (HGBASE_ERR_OK == HGImgFmt_SaveImage(image, fmtType, &saveInfo, m_scanFileName.toLocal8Bit().toStdString().c_str()))
        {
            if (nullptr != m_ocrMsgPump)
            {
                QString *filePath = new QString(m_scanFileName);
                HGMsg msg;
                msg.id = 1;
                msg.data = filePath;
                if (HGBASE_ERR_OK != HGBase_PostPumpMessage(m_ocrMsgPump, &msg))
                {
                    delete filePath;
                }
            }

            ++m_aquireIntoSaveParam.fileNameStartIndex;
        }

        m_scanFileName.clear();
    }
}

void MainWindow::Show()
{
    show();
    if (isMaximized())
        showMaximized();
    else
        showNormal();
    raise();
}

void MainWindow::ShowAddDialog(unsigned int buttonId)
{
    if (nullptr == m_devHandle)
    {
        QMessageBox::information(this, tr("Tips"), tr("Device is offline"));
        return;
    }

    std::string deviceType = m_devName.toStdString();
    char v[256] = {0};
    SANE_Status status = sane_control_option(m_devHandle, (SANE_Int)0x886D, SANE_ACTION_GET_VALUE, v, NULL);
    if (SANE_STATUS_GOOD == status)
    {
        deviceType = v;
    }

    assert(nullptr == m_dlgAdd);
    m_dlgAdd = new Dialog_Add(m_devHandle, this, deviceType, buttonId);
    connect(this, SIGNAL(closeDevice()), m_dlgAdd, SLOT(on_closeDevice()));
    if (m_dlgAdd->exec())
    {
        ScanParam scanParam = m_dlgAdd->GetScanParam();
        m_vScanParams.push_back(scanParam);
        SaveCfg();

        ui->tableWidget->setRowCount((int)m_vScanParams.size());
        int index = (int)m_vScanParams.size() - 1;

        ui->tableWidget->setRowHeight(index, 30);

        ui->tableWidget->setItem(index, 0, new QTableWidgetItem(QString(m_vScanParams[index].deviceType.c_str())));
        ui->tableWidget->item(index, 0)->setTextAlignment(Qt::AlignCenter);
        ui->tableWidget->item(index, 0)->setFlags(ui->tableWidget->item(index, 0)->flags() & ~Qt::ItemIsEditable);

        QStringList btnTypeStr = {tr("Manual"), tr("Button 1"), tr("Button 2"), tr("Button 3"), tr("Button 4"), tr("Button 5")};
        ui->tableWidget->setItem(index, 1, new QTableWidgetItem(btnTypeStr[m_vScanParams[index].buttonId]));
        ui->tableWidget->item(index, 1)->setTextAlignment(Qt::AlignCenter);
        ui->tableWidget->item(index, 1)->setFlags(ui->tableWidget->item(index, 1)->flags() & ~Qt::ItemIsEditable);

        ui->tableWidget->setItem(index, 2, new QTableWidgetItem(GetDesc(m_vScanParams[index].deviceConfigs)));
        ui->tableWidget->item(index, 2)->setTextAlignment(Qt::AlignCenter);
        ui->tableWidget->item(index, 2)->setFlags(ui->tableWidget->item(index, 2)->flags() & ~Qt::ItemIsEditable);

        ui->tableWidget->setItem(index, 3, new QTableWidgetItem(GetDesc(m_vScanParams[index].saveParam)));
        ui->tableWidget->item(index, 3)->setTextAlignment(Qt::AlignCenter);
        ui->tableWidget->item(index, 3)->setFlags(ui->tableWidget->item(index, 3)->flags() & ~Qt::ItemIsEditable);

        ui->tableWidget->selectRow(index);
    }

    disconnect(this, SIGNAL(closeDevice()), m_dlgAdd, SLOT(on_closeDevice()));
    delete m_dlgAdd;
    m_dlgAdd = nullptr;
}

int MainWindow::sane_ex_callback(SANE_Handle hdev, int code, void* data, unsigned int* len, void* param)
{
    (void)hdev;
    (void)len;

    MainWindow* p = (MainWindow*)param;
    switch (code)
    {
    case SANE_EVENT_DEVICE_ARRIVED:
        {
            SANE_Device* sane_dev = (SANE_Device*)data;
            emit p->deviceArrive(sane_dev->name);
        }
        break;
    case SANE_EVENT_DEVICE_LEFT:
        {
            SANE_Device* sane_dev = (SANE_Device*)data;
            emit p->deviceRemove(sane_dev->name);
        }
    break;
    case SANE_EVENT_WORKING:
        {
            emit p->scanWorking();
            emit p->scanInfo((const char*)data, false);
        }
        break;
    case SANE_EVENT_SCAN_FINISHED:
        {
            emit p->scanInfo((const char*)data, (0 != *len));
            emit p->scanFinish();
        }
        break;
    case SANE_EVENT_STATUS:
        {
            //emit p->scanInfo((const char*)data, false);
        }
        break;
    case SANE_EVENT_ERROR:
        {
            //emit p->scanInfo((const char*)data, (0 != *len));
        }
        break;
    case SANE_EVENT_DEV_KEY_PRESSED:
        {
            emit p->keyPress(*len);
        }
        break;
    case SANE_EVENT_START_AS_SERVICE:
        {
            return 1;
        }
        break;
    case SANE_EVENT_SCANNER_CLOSED:
        {
            bool isOnline = *(bool*)data;
            emit p->saneEventCloseDevice((void*)hdev, isOnline);
        }
        break;
    case SANE_EVENT_IMAGE_OK:
        {
            ++p->m_aquireIntoPageIndex;
            emit p->scanImage(p->m_aquireIntoPageIndex);

            if ((1 == p->m_aquireIntoSaveParam.fileNameOddEvenType && 1 != p->m_aquireIntoPageIndex % 2)
                || (2 == p->m_aquireIntoSaveParam.fileNameOddEvenType && 0 != p->m_aquireIntoPageIndex % 2))
            {
                // 跳过
            }
            else
            {
                SANE_Image* sane_img = (SANE_Image*)data;

                HGUInt imgType = 0;
                if (sane_img->header.format == SANE_FRAME_GRAY)
                {
                    if (1 == sane_img->header.depth)
                        imgType = HGBASE_IMGTYPE_BINARY;
                    else if (8 == sane_img->header.depth)
                        imgType = HGBASE_IMGTYPE_GRAY;
                }
                else if (sane_img->header.format == SANE_FRAME_RGB)
                    imgType = HGBASE_IMGTYPE_RGB;

                HGByte* data = sane_img->data;
                HGImageInfo imgInfo = { (HGUInt)sane_img->header.pixels_per_line, (HGUInt)sane_img->header.lines,
                                       imgType, (HGUInt)sane_img->header.bytes_per_line, HGBASE_IMGORIGIN_TOP };

                HGImage img = NULL;
                HGBase_CreateImageFromData(data, &imgInfo, NULL, 0, HGBASE_IMGORIGIN_TOP, &img);
                if (NULL != img)
                {
                    HGBase_SetImageDpi(img, p->m_dpi, p->m_dpi);
                    p->SaveImage(img);
                    HGBase_DestroyImage(img);
                }
            }
        }
        break;
    }

    return 0;
}

void MainWindow::ocrThreadFunc(HGThread thread, HGPointer param)
{
    MainWindow *p = (MainWindow*)param;
    HGBase_RunMsgPump(p->m_ocrMsgPump, ocrMsgPumpFunc, param);
}

void MainWindow::ocrMsgPumpFunc(HGMsgPump msgPump, const HGMsg *msg, HGPointer param)
{
    MainWindow *p = (MainWindow*)param;
    if (msg->id == 1)
    {
        QString *filePath = (QString *)msg->data;

        HGOCRMgr ocrMgr = NULL;
        HGImgProc_CreateOCRMgr(HGIMGPROC_OCRALGO_DEFAULT, &ocrMgr);
        if (NULL != ocrMgr)
        {
            HGImgFmtReader reader = NULL;
            HGImgFmt_OpenImageReader(filePath->toLocal8Bit().toStdString().c_str(), 0, &reader);
            if (NULL != reader)
            {
                HGUInt count = 0;
                HGImgFmt_GetImagePageCount(reader, &count);
                for (HGUInt i = 0; i < count; ++i)
                {
                    HGImage image = NULL;
                    HGImgFmt_LoadImageFromReader(reader, i, NULL, 0, 0, &image);
                    if (NULL != image)
                    {
                        HGImgProc_AddToImageOCRList(ocrMgr, image);
                        HGBase_DestroyImage(image);
                    }
                }

                HGImgFmt_CloseImageReader(reader);
            }

            //HGBase_DeleteFile(filePath->toLocal8Bit().toStdString().c_str());
            HGImgProc_ImageListOCRToFile(ocrMgr, 0, filePath->toLocal8Bit().toStdString().c_str(), NULL, NULL);

            HGImgProc_DestroyOCRMgr(ocrMgr);
        }

        delete filePath;
    }
}

void MainWindow::CrashFunc(HGPointer crashAddr, HGPointer param)
{
    HGChar crashName[256];
    HGBase_GetLogFilePath(crashName, 256);
    strcat(crashName, "crash.dmp");
    if (HGBASE_ERR_OK == HGBase_MakeCrashFile(crashName))
    {
        HGChar excpStr[64];
#ifdef HG_64BIT
        sprintf(excpStr, "0x%016p", crashAddr);
#else
        sprintf(excpStr, "0x%08p", crashAddr);
#endif
    }
}

void MainWindow::closeEvent(QCloseEvent *e)
{
    if (m_trayIcon->isVisible())   //托盘是显示的
    {
        hide(); // 隐藏主窗口
        e->ignore(); //忽略关闭事件，这样才不会关闭程序
    }
}

void MainWindow::timerEvent(QTimerEvent *e)
{
    if (e->timerId() == m_timerId)
    {
        SANE_Status status = sane_open(ui->comboBox->currentText().toStdString().c_str(), &m_devHandle);
        if (SANE_STATUS_GOOD == status)
        {
            m_devName = ui->comboBox->currentText();
            ui->pushButtonScan->setEnabled(true);
            ui->pushButtonAdd->setEnabled(true);
            ui->pushButtonModify->setEnabled(true);

            this->killTimer(m_timerId);
            m_timerId = -1;
        }
    }
}

void MainWindow::on_deviceArrive(QString devName)
{
    if (devName.contains("306") || devName.contains("307") || devName.contains("358"))
        ui->comboBox->addItem(devName);
}

void MainWindow::on_deviceRemove(QString devName)
{
    if (devName == m_devName)
    {
        assert(nullptr != m_devHandle);
        StopScan();
        emit closeDevice();
        sane_close(m_devHandle);
        m_devHandle = NULL;
        m_devName.clear();

        ui->pushButtonScan->setEnabled(false);
        ui->pushButtonAdd->setEnabled(false);
        ui->pushButtonModify->setEnabled(false);
    }

    for (int i = 0; i < ui->comboBox->count(); ++i)
    {
        if (ui->comboBox->itemText(i) == devName)
        {
            ui->comboBox->removeItem(i);
            break;
        }
    }
}

void MainWindow::on_keyPress(unsigned int buttonId)
{
    assert(nullptr != m_devHandle);
    StartScan(buttonId);
}

void MainWindow::on_scanWorking()
{
    m_dlgScanInfo->Start();
}

void MainWindow::on_scanInfo(QString info, bool error)
{
    m_dlgScanInfo->SetScanInfo(info, error);
}

void MainWindow::on_scanImage(unsigned int count)
{
    m_dlgScanInfo->SetScanCount(count);
}

void MainWindow::on_scanFinish()
{
    if (nullptr != m_scanImgFmtWriter)
    {
        HGImgFmt_CloseImageWriter(m_scanImgFmtWriter);
        m_scanImgFmtWriter = nullptr;

        if (nullptr != m_ocrMsgPump)
        {
            QString *filePath = new QString(m_scanFileName);
            HGMsg msg;
            msg.id = 1;
            msg.data = filePath;
            if (HGBASE_ERR_OK != HGBase_PostPumpMessage(m_ocrMsgPump, &msg))
            {
                delete filePath;
            }
        }

        m_scanFileName.clear();
        ++m_aquireIntoSaveParam.fileNameStartIndex;
        m_aquireIntoMultiPageCount = 0;
    }

    if (NULL != m_ocrMsgPump)
    {
        HGBase_ExitMsgPump(m_ocrMsgPump);
        HGBase_CloseThread(m_ocrThread);
        m_ocrThread = NULL;
        HGBase_DestroyMsgPump(m_ocrMsgPump);
        m_ocrMsgPump = NULL;
    }

    StopScan();
    m_dlgScanInfo->Finish();
}

void MainWindow::on_comboBox_currentIndexChanged(const QString &arg1)
{
    if (-1 != m_timerId)
    {
        this->killTimer(m_timerId);
        m_timerId = -1;
    }

    if (NULL != m_devHandle)
    {
        StopScan();
        emit closeDevice();
        sane_close(m_devHandle);
        m_devHandle = NULL;
        m_devName.clear();

        ui->pushButtonScan->setEnabled(false);
        ui->pushButtonAdd->setEnabled(false);
        ui->pushButtonModify->setEnabled(false);
    }

    SANE_Status status = sane_open(arg1.toStdString().c_str(), &m_devHandle);
    if (SANE_STATUS_GOOD == status)
    {
        m_devName = arg1;

        ui->pushButtonScan->setEnabled(true);
        ui->pushButtonAdd->setEnabled(true);
        ui->pushButtonModify->setEnabled(true);
    }
    else
    {
        m_timerId = this->startTimer(5000);
    }
}

void MainWindow::on_pushButtonScan_clicked()
{
    assert(!m_scanning && nullptr == m_dlgAdd);
    StartScan(0);
}

void MainWindow::on_trayActivated(QSystemTrayIcon::ActivationReason reason)
{
    if (QSystemTrayIcon::Trigger == reason)
    {

    }
    else if (QSystemTrayIcon::DoubleClick == reason)
    {
        Show();
    }
    else if (QSystemTrayIcon::MiddleClick == reason)
    {

    }
}

void MainWindow::on_showMainWindowDlg()
{
    Show();
}

void MainWindow::on_saneEventCloseDevice(void* devHandle, bool isOnline)
{
    assert(nullptr != m_devHandle || nullptr != devHandle);
    if (devHandle != m_devHandle)
        return;

    StopScan();
    emit closeDevice();
    sane_close(m_devHandle);
    m_devHandle = NULL;
    m_devName.clear();

    ui->pushButtonScan->setEnabled(false);
    ui->pushButtonAdd->setEnabled(false);
    ui->pushButtonModify->setEnabled(false);

    if (-1 != m_timerId)
    {
        this->killTimer(m_timerId);
        m_timerId = -1;
    }

    if (isOnline)
        m_timerId = this->startTimer(5000);
}

void MainWindow:: on_pushButtonAdd_clicked()
{
    ShowAddDialog(0);
}

void MainWindow::on_pushButtonModify_clicked()
{
    int index = ui->tableWidget->currentRow();
    if (-1 == index)
    {
        QMessageBox::information(this, tr("Tips"), tr("No item selected"));
        return;
    }

    if (nullptr == m_devHandle)
    {
        QMessageBox::information(this, tr("Tips"), tr("Device is offline"));
        return;
    }

    std::string deviceType = m_devName.toStdString();
    char v[256] = {0};
    SANE_Status status = sane_control_option(m_devHandle, (SANE_Int)0x886D, SANE_ACTION_GET_VALUE, v, NULL);
    if (SANE_STATUS_GOOD == status)
    {
        deviceType = v;
    }

    if (deviceType != m_vScanParams[index].deviceType)
    {
        QMessageBox::information(this, tr("Tips"), tr("Device type mismatch"));
        return;
    }

    assert(nullptr == m_dlgAdd);
    m_dlgAdd = new Dialog_Add(m_devHandle, this, m_vScanParams[index], index);
    connect(this, SIGNAL(closeDevice()), m_dlgAdd, SLOT(on_closeDevice()));
    if (m_dlgAdd->exec())
    {
        ScanParam scanParam = m_dlgAdd->GetScanParam();
        m_vScanParams[index] = scanParam;
        SaveCfg();

        ui->tableWidget->item(index, 0)->setText(QString::fromStdString(m_vScanParams[index].deviceType));

        QStringList btnTypeStr = {tr("Manual"), tr("Button 1"), tr("Button 2"), tr("Button 3"), tr("Button 4"), tr("Button 5")};
        ui->tableWidget->item(index, 1)->setText(btnTypeStr[m_vScanParams[index].buttonId]);

        ui->tableWidget->item(index, 2)->setText(GetDesc(m_vScanParams[index].deviceConfigs));
        ui->tableWidget->item(index, 3)->setText(GetDesc(m_vScanParams[index].saveParam));
    }

    disconnect(this, SIGNAL(closeDevice()), m_dlgAdd, SLOT(on_closeDevice()));
    delete m_dlgAdd;
    m_dlgAdd = nullptr;
}

void MainWindow::on_pushButtonRemove_clicked()
{
    int index = ui->tableWidget->currentRow();
    if (-1 == index)
    {
        QMessageBox::information(this, tr("Tips"), tr("No item selected"));
        return;
    }

    QMessageBox msg(QMessageBox::Question, tr("Question"),
                            tr("Are you sure you want to remove the item?"),
                            QMessageBox::Yes | QMessageBox::No, this);
    msg.exec();
    if (msg.clickedButton() != msg.button(QMessageBox::Yes))
    {
        return;
    }

    m_vScanParams.erase(m_vScanParams.begin() + index);
    SaveCfg();
    ui->tableWidget->removeRow(index);
}