#include "mainwindow.h"
#include "ui_mainwindow.h"
#include <QDockWidget>
#include <QFileDialog>
#include <QMessageBox>
#include <QDateTime>
#include <QLineEdit>
#include <QRegExpValidator>
#include <QStandardPaths>
#include <QDesktopServices>
#include "widget_statusbar.h"
#include "dialog_log.h"
#include "dialog_openimageindex.h"
#include "dialog_saveas.h"
#include "dialog_export.h"
#include "dialog_exportimagefile.h"
#include "dialog_imageinfo.h"
#include "dialog_fullscreen.h"
#include "dialog_imgproc_adjust.h"
#include "dialog_multirotate.h"
#include "dialog_multirotateimagefile.h"
#include "dialog_imgproc_autocrop.h"
#include "dialog_admin.h"
#include "dialog_passwordchange.h"
#include "dialog_insertindex.h"
#include "dialog_aquireinto.h"
#include "dialog_logmanager.h"
#include "dialog_clrcache.h"
#include "dialog_moveto.h"
#include "dialog_imageeditor.h"
#include "hg_settingdialog.h"
#include "base/HGInfo.h"
#include "imgfmt/HGPdf.h"
#include "imgfmt/HGTiff.h"
#include "imgfmt/HGImgFmt.h"
#include "imgproc/HGImgProc.h"
#include "base/HGUtility.h"
#include "HGUIGlobal.h"
#include "../../utility/HGString.h"
#include "app_cfg.h"

#define PASSWORD_KEY 4
#define MY_URL_SCHEME       "inscanner"

MainWindow::MainWindow(QWidget *parent)
    : QMainWindow(parent)
    , ui(new Ui::MainWindow)
    , m_admin_loggedIn(false)
    , m_currFilePath("")
    , m_currIndex(-1)
    , m_multiPageCount(0)
    , m_multiIndex(-1)
    , m_modify(false)
    , m_singleScan(false)
    , m_scanType(0)
    , m_scanInsertPos(-1)
    , m_scanFileName("")
    , m_scanImgFmtWriter(nullptr)
    , m_isScanning(false)
{
    ui->setupUi(this);

    this->setWindowIcon(QIcon(":images/image_rsc/logo/logo.ico"));
    this->setWindowTitle(tr("HuaGoScan"));
    this->setAutoFillBackground(true);
    this->setPalette(QPalette(QColor(240, 240, 240)));

    m_config.load();

    ui->toolBar->addAction(ui->act_scannerSettings);
    ui->toolBar->addAction(ui->act_acquire);
    ui->toolBar->addSeparator();
    ui->toolBar->addAction(ui->act_fitWindowWidth);
    ui->toolBar->addAction(ui->act_fitWindowSize);
    ui->toolBar->addAction(ui->act_zoomIn);
    ui->toolBar->addAction(ui->act_zoomOut);
    ui->toolBar->addAction(ui->act_realSize);
    ui->toolBar->addSeparator();
    ui->toolBar->addAction(ui->act_90Left);
    ui->toolBar->addAction(ui->act_90Right);
    ui->toolBar->addAction(ui->act_imageEdit);
    ui->toolBar->addSeparator();
    ui->toolBar->addAction(ui->act_previous);
    ui->toolBar->addAction(ui->act_next);
    ui->toolBar->addAction(ui->act_previousPage);
    ui->toolBar->addAction(ui->act_nextPage);
    ui->toolBar->addSeparator();
    ui->toolBar->addAction(ui->act_help);

    m_view = new HGImgView(ui->centralwidget);
    ui->verticalLayout->addWidget(m_view);
    ui->centralwidget->setMinimumWidth(160);

    m_thumb = new HGImgThumb(ui->dockWidget);
    ui->dockWidget->setMinimumWidth(200);
    resizeDocks({ui->dockWidget}, {200}, Qt::Horizontal);
    ui->dockWidget->setWidget(m_thumb);
    ui->dockWidget->setTitleBarWidget(new QWidget());
    ui->dockWidget->titleBarWidget()->setVisible(false);

    QRegExp rx("[0-9,-]+$");
    m_multiPageLineEdit = new HGLineEdit(this);
    m_multiPageLineEdit->setValidator(new QRegExpValidator(rx, this));
    m_multiPageLineEdit->setFixedWidth(70);
    m_multiPageLineEdit->setAlignment(Qt::AlignHCenter);
    ui->toolBar->insertWidget(ui->act_nextPage, m_multiPageLineEdit);

    m_wndStatusBar = new Widget_StatusBar(ui->act_zoomIn, ui->act_zoomOut, ui->statusBar);
    ui->statusBar->addWidget(m_wndStatusBar, 1);
    m_dialogLog = new dialog_log(this);

    connect(m_view, SIGNAL(scaleChanged(double)), this, SLOT(on_viewerScale(double)));
    connect(m_view, SIGNAL(mousePos(int, int)), this, SLOT(on_viewerMousePos(int, int)));
    connect(m_view, SIGNAL(drop(const QObject*, const QStringList &)), this, SLOT(on_viewerDrop(const QObject*, const QStringList &)));
    connect(m_view, SIGNAL(doubleClicked()), this, SLOT(on_viewerDblClick()));
    connect(m_thumb, SIGNAL(itemCountChanged(int)), this, SLOT(on_itemCountChanged(int)));
    connect(m_thumb, SIGNAL(itemSelectingChanged()), this, SLOT(on_itemSelectingChanged()));
    connect(m_thumb, SIGNAL(currItemChanged(int)), this, SLOT(on_currItemChanged(int)));
    connect(m_thumb, SIGNAL(itemDoubleClicked(int)), this, SLOT(on_itemDoubleClicked(int)));
    connect(m_thumb, SIGNAL(contextMenuEvent(int)), this, SLOT(on_thumbContextMenu(int)));
    connect(m_thumb, SIGNAL(drop(const QObject*, const QStringList &, int)), this, SLOT(on_thumbDrop(const QObject*, const QStringList &, int)));

    connect(m_multiPageLineEdit, SIGNAL(editingFinished()), this, SLOT(on_multiPageLineEditFinished()));

    m_view->enableScroll(true);
    m_view->setScrollSize(16);
    m_view->setMinScrollSliderSize(20);

    QImage defItemImage(":images/image_rsc/scroll/defItemImage.png");
    m_thumb->setDefItemImage(&defItemImage);
    m_thumb->setType(HGImgThumb::ThumbType_Vert);
    m_thumb->setItemSize(120);
    m_thumb->setScrollSize(16);
    m_thumb->setMinScrollSliderSize(20);
	m_thumb->setItemTextHeight(0);

    QImage nullScrollImage(":images/image_rsc/scroll/nullScrollImage.png");
    m_view->setNullScrollImage(&nullScrollImage);
    m_thumb->setNullScrollImage(&nullScrollImage);

    QImage hScrollImage(":images/image_rsc/scroll/hScrollImage.png");
    m_thumb->setHScrollImage(&hScrollImage, nullptr);
    m_view->setHScrollImage(&hScrollImage, nullptr);
    QImage vScrollImage(":images/image_rsc/scroll/vScrollImage.png");
    m_thumb->setVScrollImage(&vScrollImage, nullptr);
    m_view->setVScrollImage(&vScrollImage, nullptr);

    QImage leftNormalImg(":images/image_rsc/scroll/left_Normal.png");
    QImage leftHotImg(":images/image_rsc/scroll/left_Hot.png");
    QImage leftPushImg(":images/image_rsc/scroll/left_Push.png");
    m_thumb->setHScrollLeftImage(&leftNormalImg, &leftHotImg, &leftPushImg);
    m_view->setHScrollLeftImage(&leftNormalImg, &leftHotImg, &leftPushImg);

    QImage rightNormalImg(":images/image_rsc/scroll/right_Normal.png");
    QImage rightHotImg(":images/image_rsc/scroll/right_Hot.png");
    QImage rightPushImg(":images/image_rsc/scroll/right_Push.png");
    m_thumb->setHScrollRightImage(&rightNormalImg, &rightHotImg, &rightPushImg);
    m_view->setHScrollRightImage(&rightNormalImg, &rightHotImg, &rightPushImg);

    QImage topNormalImg(":images/image_rsc/scroll/top_Normal.png");
    QImage topHotImg(":images/image_rsc/scroll/top_Hot.png");
    QImage topPushImg(":images/image_rsc/scroll/top_Push.png");
    m_thumb->setVScrollTopImage(&topNormalImg, &topHotImg, &topPushImg);
    m_view->setVScrollTopImage(&topNormalImg, &topHotImg, &topPushImg);

    QImage bottomNormalImg(":images/image_rsc/scroll/bottom_Normal.png");
    QImage bottomHotImg(":images/image_rsc/scroll/bottom_Hot.png");
    QImage bottomPushImg(":images/image_rsc/scroll/bottom_Push.png");
    m_thumb->setVScrollBottomImage(&bottomNormalImg, &bottomHotImg, &bottomPushImg);
    m_view->setVScrollBottomImage(&bottomNormalImg, &bottomHotImg, &bottomPushImg);

    HGRect hSliderStretchRect = {4, 0, 196, 16};
    QImage hScrollSliderNormalImage(":images/image_rsc/scroll/hScrollSlider_Normal.png");
    QImage hScrollSliderHotImage(":images/image_rsc/scroll/hScrollSlider_Hot.png");
    QImage hScrollSliderPushImage(":images/image_rsc/scroll/hScrollSlider_Push.png");
    m_thumb->setHScrollSliderImage(&hScrollSliderNormalImage, &hSliderStretchRect,
                                   &hScrollSliderHotImage, &hSliderStretchRect, &hScrollSliderPushImage, &hSliderStretchRect);
    m_view->setHScrollSliderImage(&hScrollSliderNormalImage, &hSliderStretchRect,
                                   &hScrollSliderHotImage, &hSliderStretchRect, &hScrollSliderPushImage, &hSliderStretchRect);

    HGRect vSliderStretchRect = {0, 4, 16, 196};
    QImage vScrollSliderNormalImage(":images/image_rsc/scroll/vScrollSlider_Normal.png");
    QImage vScrollSliderHotImage(":images/image_rsc/scroll/vScrollSlider_Hot.png");
    QImage vScrollSliderPushImage(":images/image_rsc/scroll/vScrollSlider_Push.png");
    m_thumb->setVScrollSliderImage(&vScrollSliderNormalImage, &vSliderStretchRect,
                                   &vScrollSliderHotImage, &vSliderStretchRect, &vScrollSliderPushImage, &vSliderStretchRect);
    m_view->setVScrollSliderImage(&vScrollSliderNormalImage, &vSliderStretchRect,
                                   &vScrollSliderHotImage, &vSliderStretchRect, &vScrollSliderPushImage, &vSliderStretchRect);

    QAction *act_thumbGrid = new QAction(tr("Grid"), this);
    act_thumbGrid->setCheckable(true);
    act_thumbGrid->setChecked(false);
    connect(act_thumbGrid, SIGNAL(triggered(bool)), this, SLOT(on_act_thumbGrid_triggered(bool)));

    m_moveToAction = new QAction(tr("Move To..."), this);
    connect(m_moveToAction, SIGNAL(triggered()), this, SLOT(on_act_moveTo_triggered()));

    m_thumbMenu = new QMenu(this);
    QMenu* menu_imageInsert = new QMenu(tr("Insert files"), m_thumbMenu);

    m_thumbMenu->addAction(ui->act_closeFile);
    m_thumbMenu->addAction(ui->act_closeAll);
    m_thumbMenu->addAction(ui->act_Export);
    m_thumbMenu->addSeparator();
    m_thumbMenu->addAction(m_moveToAction);
    m_thumbMenu->addAction(menu_imageInsert->menuAction());
    m_thumbMenu->addSeparator();
    m_thumbMenu->addAction(act_thumbGrid);
    menu_imageInsert->addAction(ui->act_insert);
    menu_imageInsert->addAction(ui->act_insertFromScanner);

    ui->act_consume->setVisible(false);

    connect(this, SIGNAL(sane_dev_arrive(QString, bool)), this, SLOT(on_sane_dev_arrive(QString, bool)), Qt::QueuedConnection);
    connect(this, SIGNAL(sane_dev_remove(QString)), this, SLOT(on_sane_dev_remove(QString)), Qt::QueuedConnection);
    connect(this, SIGNAL(new_image(void *)), this, SLOT(on_new_image(void *)), Qt::QueuedConnection);
    connect(this, SIGNAL(scan_working(QString)), this, SLOT(on_scan_working(QString)), Qt::QueuedConnection);
    connect(this, SIGNAL(scan_finish(QString, int)), this, SLOT(on_scan_finish(QString, int)), Qt::QueuedConnection);
    connect(this, SIGNAL(sane_dev_error(QString)), this, SLOT(on_sane_dev_error(QString)), Qt::QueuedConnection);
    connect(m_dialogLog, SIGNAL(continueScan()), this, SLOT(on_continueScan()));
    connect(m_dialogLog, SIGNAL(stopScan()), this, SLOT(on_stopScan()));
    connect(m_wndStatusBar, SIGNAL(statusInfoDblClick()), this, SLOT(on_statusInfoDblClick()));

    m_wndStatusBar->setDeviceStatusInfo(tr("nodevice"), false);
    m_dialogLog->addLog(tr("nodevice"), false);
    HGBase_WriteInfo(HGBASE_INFOTYPE_DESC, "%s", getStdString(tr("nodevice")).c_str());
    connect(ui->menu_device, SIGNAL(scanOptionsChanged(const QString&, const QString&, bool)), this, SLOT(on_scanOptions_changed(const QString&, const QString&, bool)));

    QString password = getCfgValue("login", "password", QString(""));
    if (password.isEmpty())
        m_password = "huagoscan";
    else
        m_password = passwordDecrypt(password);

    m_dlgFullScreen = nullptr;
    m_dialogLog->updateStatus(cur_dev_.is_online() && 0 != m_scanType, m_isScanning);
    updateActionStatus();

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

MainWindow::~MainWindow()
{
    if (nullptr != m_dlgFullScreen)
    {
        delete m_dlgFullScreen;
        m_dlgFullScreen = nullptr;
    }

    cur_dev_.close();
    sane_exit();

    delete ui;
}

void MainWindow::exitFullScreen()
{
    assert(nullptr != m_dlgFullScreen);
    this->show();
    delete m_dlgFullScreen;
    m_dlgFullScreen = nullptr;
}

void MainWindow::on_act_90Left_triggered()
{
    if (HGBASE_ERR_OK == m_view->rotateLeft())
    {
        m_modify = true;
        updateStatusBarPixelInfo();
        updateActionStatus();
    }
}

void MainWindow::on_act_90Right_triggered()
{
    if (HGBASE_ERR_OK == m_view->rotateRight())
    {
        m_modify = true;
        updateStatusBarPixelInfo();
        updateActionStatus();
    }
}

void MainWindow::on_act_180_triggered()
{
    if (HGBASE_ERR_OK == m_view->rotate180())
    {
        m_modify = true;
        updateStatusBarPixelInfo();
        updateActionStatus();
    }
}

void MainWindow::on_act_fitWindowSize_triggered()
{
    m_view->fitWndSize();
}

void MainWindow::on_act_fitWindowWidth_triggered()
{
    m_view->fitWndWidth();
}

void MainWindow::on_act_realSize_triggered()
{
    m_view->realSize();
}

void MainWindow::on_act_zoomIn_triggered()
{
    m_view->zoomIn(nullptr);
}

void MainWindow::on_act_zoomOut_triggered()
{
    m_view->zoomOut(nullptr);
}

void MainWindow::on_act_statusBar_triggered(bool checked)
{
    ui->statusBar->setVisible(checked);
}

void MainWindow::on_act_toolBar_triggered(bool checked)
{
    ui->toolBar->setVisible(checked);
}

void MainWindow::on_act_colorInfo_triggered(bool checked)
{
    m_view->showColorInfo(checked);
}

void MainWindow::on_act_fullscreen_triggered()
{
    assert(nullptr == m_dlgFullScreen);

    int count = 0;
    m_thumb->getItemCount(&count);
    if (0 == count || -1 == m_currIndex || -1 == m_multiIndex)
    {
        return;
    }

    QStringList fileNames;
    for (int i = 0; i < count; ++i)
    {
        QString fileName;
        m_thumb->getItemFileName(i, fileName);
        fileNames.append(fileName);
    }

    m_dlgFullScreen = new Dialog_FullScreen(this, fileNames, m_currIndex, m_multiIndex);
    m_dlgFullScreen->show();
    this->hide();
}

void MainWindow::on_itemCountChanged(int count)
{
    m_wndStatusBar->setPageInfo(count, m_currIndex);
    updateActionStatus();
}

void MainWindow::on_itemSelectingChanged()
{
    updateActionStatus();
}

void MainWindow::on_currItemChanged(int index)
{
    HGImage img = nullptr;
    m_view->getImage(&img);
    if (nullptr != img && m_modify && -1 != m_currIndex && m_multiPageCount == 1)
    {
        assert(!m_currFilePath.isEmpty());

        QString newCurrFilePath;
        if (-1 != index)
            m_thumb->getItemFileName(index, newCurrFilePath);

        if (m_currFilePath != newCurrFilePath)
        {
            QMessageBox msg(QMessageBox::Question, tr("Question"),
                            tr("modified, save it?"),
                            QMessageBox::Yes | QMessageBox::No, this);
            msg.setButtonText(QMessageBox::Yes, tr("yes"));
            msg.setButtonText(QMessageBox::No, tr("no"));
            msg.exec();
            if (msg.clickedButton() != msg.button(QMessageBox::Yes))
            {
                m_modify = false;
            }
            else
            {
                on_act_save_triggered();
            }
        }
    }

    if (-1 != index)
    {
        QString oldCurrFilePath = m_currFilePath;
        m_currIndex = index;
        m_thumb->getItemFileName(m_currIndex, m_currFilePath);
        assert(!m_currFilePath.isEmpty());

        if (oldCurrFilePath != m_currFilePath)
        {
            m_multiPageCount = getMultiPageCount();
            m_multiIndex = 0;

            HGImage img2 = createImage();
            if (nullptr != img2)
            {
                m_view->addImage(img2);
                HGBase_DestroyImage(img2);
                m_modify = false;
            }
            else
            {
                m_view->clearImage();
                m_wndStatusBar->setMousePosInfo(0, 0);
                m_modify = false;

                QFileInfo info(m_currFilePath);
                if (!info.isFile())
                {
                    QMessageBox msg(QMessageBox::Question, tr("Question"),
                        tr("file lost, remove it?"),
                        QMessageBox::Yes | QMessageBox::No, this);
                    msg.setButtonText(QMessageBox::Yes, tr("yes"));
                    msg.setButtonText(QMessageBox::No, tr("no"));
                    msg.exec();
                    if (msg.clickedButton() == msg.button(QMessageBox::Yes))
                    {
                        m_thumb->removeItem(index, HGImgThumb::ThumbRemoveFlag_NULL);
                    }
                }
            }
        }
    }
    else
    {
        m_currFilePath.clear();
        m_currIndex = -1;
        m_multiPageCount = 0;
        m_multiIndex = -1;

        m_view->clearImage();
        m_wndStatusBar->setMousePosInfo(0, 0);
        m_modify = false;
    }

    int count = 0;
    m_thumb->getItemCount(&count);
    m_wndStatusBar->setPageInfo(count, m_currIndex);
    updateStatusBarPixelInfo();
    updateActionStatus();
}

void MainWindow::on_itemDoubleClicked(int index)
{
    (void)index;
}

void MainWindow::on_thumbContextMenu(int index)
{
    qDebug("thumbnail menu index=%d", index);

    m_thumbMenu->show();
    m_thumbMenu->popup(QCursor::pos());
    qDebug("show menu");
}

void MainWindow::on_viewerScale(double scale)
{
    m_wndStatusBar->setScale(scale);
}

void MainWindow::on_viewerMousePos(int x, int y)
{
    m_wndStatusBar->setMousePosInfo(x, y);
}

void MainWindow::on_thumbDrop(const QObject *source, const QStringList &fileNames, int pos)
{
    if (source != m_thumb)
        m_thumb->insertItems(fileNames, pos);
    else
        m_thumb->moveItems(fileNames, pos);
}

void MainWindow::on_viewerDrop(const QObject *source, const QStringList &fileNames)
{
    if (source != m_thumb)
        m_thumb->addItems(fileNames);
}

void MainWindow::on_viewerDblClick()
{
    on_act_open_triggered();
}

void MainWindow::on_act_moveTo_triggered()
{
    int count = 0;
    m_thumb->getItemCount(&count);

    Dialog_MoveTo dlg(count, (-1 != m_currIndex) ? m_currIndex : 0, this);
    if (dlg.exec())
    {
        QStringList fileNames;
        for (int i = 0; i < count; ++i)
        {
            bool selected = false;
            m_thumb->itemIsSelect(i, &selected);
            if (selected)
            {
                QString fileName;
                m_thumb->getItemFileName(i, fileName);
                fileNames.append(fileName);
            }
        }

        int pos = dlg.getMovePos();
        m_thumb->moveItems(fileNames, pos);
    }
}

void MainWindow::on_act_thumbGrid_triggered(bool checked)
{
    if (checked)
        m_thumb->setType(HGImgThumb::ThumbType_Grid);
    else
        m_thumb->setType(HGImgThumb::ThumbType_Vert);
}

void MainWindow::on_dialog_adjust_applyToImage(HGImage img)
{
    m_view->addImage(img);
    updateStatusBarPixelInfo();
}

void MainWindow::on_dialog_multirotate_refreshImgFile(const QString &fileName)
{
    m_thumb->refreshItem(fileName);
}

void MainWindow::on_multiPageLineEditFinished()
{
    if (-1 != m_currIndex && m_multiPageCount > 0)
    {
        int multiIndex = m_multiPageLineEdit->text().toInt() - 1;
        if (multiIndex >= 0 && multiIndex < m_multiPageCount)
        {
            m_multiIndex = multiIndex;

            HGImage img = createImage();
            if (nullptr != img)
            {
                m_view->addImage(img);
                HGBase_DestroyImage(img);
                m_modify = false;
            }
            else
            {
                m_view->clearImage();
                m_wndStatusBar->setMousePosInfo(0, 0);
                m_modify = false;
            }

            updateStatusBarPixelInfo();
        }

        updateActionStatus();
    }
}

void MainWindow::on_clearCache()
{
    std::vector<int> removeItems;

    int count = 0;
    m_thumb->getItemCount(&count);
    for (int i = 0; i < count; ++i)
    {
        QString fileName;
        m_thumb->getItemFileName(i, fileName);
        if (0 == fileName.indexOf(Dialog_ClrCache::getCachePath()))
        {
            removeItems.push_back(i);
        }
    }

    m_thumb->removeItems(removeItems, HGImgThumb::ThumbRemoveFlag_NULL);
}

void MainWindow::on_sane_dev_arrive(QString devName, bool opened)
{
    bool reconnected = false;
    if(std::find(dev_schemes_.begin(), dev_schemes_.end(), devName.toStdString()) == dev_schemes_.end())
    {
        // initializing the device configuration ...
        DEVCFG   cfg;
        cfg.name = devName.toStdString();
        m_config.load_scanner_configs(devName, &cfg);
        dev_schemes_.push_back(cfg);
        ui->menu_device->update(&dev_schemes_);

        // statu info ...
        QString info(tr("found device ") +": " + devName);
        m_wndStatusBar->setDeviceStatusInfo(info, false);
        m_dialogLog->addLog(info, false);
        HGBase_WriteInfo(HGBASE_INFOTYPE_DESC, "%s", getStdString(info).c_str());
    }
    else
    {
        // re-connected statu ...
        QString info(devName);
        if(opened)
            info += tr(" reconnected");
        else
            info += "\345\267\262\347\273\217\350\277\236\346\216\245\357\274\214\344\275\206\346\211\223\345\274\200\345\244\261\350\264\245";
        m_wndStatusBar->setDeviceStatusInfo(info, !opened);
        m_dialogLog->addLog(info, !opened);
        HGBase_WriteInfo(!opened ? HGBASE_INFOTYPE_ERROR : HGBASE_INFOTYPE_DESC, "%s", getStdString(info).c_str());
        reconnected = true;
    }

    // enable the device menu item ...
    ui->menu_device->connectedDevice(devName);

    // open it if no device has been opened ...
    if (!cur_dev_.is_online())
    {
        if (cur_dev_.handle() && devName.toStdString() == cur_dev_.name())
        {
            cur_dev_.set_online(true);
        }
        else
        {
            std::vector<DEVCFG>::iterator it = std::find(dev_schemes_.begin(), dev_schemes_.end(), devName.toStdString());
            OPTSCHEME                       *schm = nullptr;

            if(it!= dev_schemes_.end())
                schm = it->get_current();

            open_scanner(devName, schm);
        }
    }

    m_dialogLog->updateStatus(cur_dev_.is_online() && 0 != m_scanType, m_isScanning);
    updateActionStatus();
}

void MainWindow::on_sane_dev_remove(QString devName)
{
    // statu info ...
    QString info(devName + tr(" disconnected"));

    m_wndStatusBar->setDeviceStatusInfo(info, true);
    m_dialogLog->addLog(info, true);
    HGBase_WriteInfo(HGBASE_INFOTYPE_ERROR, "%s", getStdString(info).c_str());

    // enable the device menu item ...
    ui->menu_device->disconnectedDevice(devName);

    // set openning device offline ...
    if(devName.toStdString() == cur_dev_.name())
    {
        cur_dev_.set_online(false);
    }

    m_dialogLog->updateStatus(cur_dev_.is_online() && 0 != m_scanType, m_isScanning);
    updateActionStatus();
}

void MainWindow::on_sane_dev_error(QString errorInfo)
{
    //Error codes operate in slot function: on_scan_finish(QString finishInfo, int err).

    m_wndStatusBar->setDeviceStatusInfo(errorInfo, true);
    m_dialogLog->addLog(errorInfo, true);
    HGBase_WriteInfo(HGBASE_INFOTYPE_ERROR, "%s", getStdString(errorInfo).c_str());
}

void MainWindow::on_new_image(void *img)
{
    HGImage image = (HGImage)img;

    HGUInt dpi = 96;
    SANE_Int num_dev_options = 0;
    sane_control_option(cur_dev_.handle(), 0, SANE_ACTION_GET_VALUE, &num_dev_options, nullptr);
    for (int i = 1; i < num_dev_options; ++i)
    {
        const SANE_Option_Descriptor* desp = sane_get_option_descriptor(cur_dev_.handle(), i);
        if (nullptr == desp)
            continue;

        std::string title = Utf8ToStdString(desp->title);
        TrimString(title);
        HGBase_WriteInfo(HGBASE_INFOTYPE_DESC, "title=%s", title.c_str());

        if (SANE_TYPE_INT == desp->type)
        {
            SANE_Int value = 0;
            sane_control_option(cur_dev_.handle(), i, SANE_ACTION_GET_VALUE, &value, nullptr);
            HGBase_WriteInfo(HGBASE_INFOTYPE_DESC, "		valueType=INT, value=%d", value);

            if (0 == strcmp(title.c_str(), "分辨率"))
            {
                dpi = (HGUInt)value;
            }
        }
    }

    HGBase_SetImageDpi(image, dpi, dpi);

    if (1 == m_scanType)
    {
        QString fileName = getCacheFileName();

        HGImgFmtSaveInfo saveInfo;
        saveInfo.jpegQuality = (HGUInt)m_aquireIntoSaveParam.m_jpegQuality;
        saveInfo.tiffCompression = HGIMGFMT_TIFFCOMP_NONE;
        if (1 == m_aquireIntoSaveParam.m_tiffCompression)
            saveInfo.tiffCompression = HGIMGFMT_TIFFCOMP_LZW;
        else if (2 == m_aquireIntoSaveParam.m_tiffCompression)
            saveInfo.tiffCompression = HGIMGFMT_TIFFCOMP_JPEG;
        saveInfo.tiffJpegQuality = (HGUInt)m_aquireIntoSaveParam.m_tiffQuality;
        HGImgFmt_SaveImage(image, 0, &saveInfo, getStdString(fileName).c_str());

        if (-1 == m_scanInsertPos)
        {
            m_thumb->addItem(fileName);
        }
        else
        {
            m_thumb->insertItem(fileName, m_scanInsertPos);
            ++m_scanInsertPos;
        }
    }
    else if (2 == m_scanType)
    {
        if (m_aquireIntoSaveParam.m_isSaveAsMultiPage)
        {
            if (nullptr == m_scanImgFmtWriter)
            {
                assert(m_scanFileName.isEmpty());
                HGBase_CreateDir(getStdString(m_aquireIntoSaveParam.m_savePath).c_str());

                QString scanFileName;
                while (1)
                {
                    scanFileName = QString(tr("%1%2%3.%4")).arg(m_aquireIntoSaveParam.m_savePath)
                            .arg(m_aquireIntoSaveParam.m_fileNamePrefix)
                            .arg(m_aquireIntoSaveParam.m_fileNameStartIndex, m_aquireIntoSaveParam.m_fileNameDigits, 10, QLatin1Char('0'))
                            .arg(m_aquireIntoSaveParam.m_fileNameExt);
                    QFileInfo fileInfo(scanFileName);
                    if (fileInfo.isFile())
                    {
                        ++m_aquireIntoSaveParam.m_fileNameStartIndex;
                    }
                    else
                    {
                        break;
                    }
                }

                HGImgFmt_OpenImageWriter(getStdString(getStdFileName(scanFileName)).c_str(), 0, &m_scanImgFmtWriter);
                if (nullptr != m_scanImgFmtWriter)
                    m_scanFileName = scanFileName;
            }

            if (nullptr != m_scanImgFmtWriter)
            {
                HGImgFmtSaveInfo saveInfo;
                saveInfo.jpegQuality = (HGUInt)m_aquireIntoSaveParam.m_jpegQuality;
                saveInfo.tiffCompression = HGIMGFMT_TIFFCOMP_NONE;
                if (1 == m_aquireIntoSaveParam.m_tiffCompression)
                    saveInfo.tiffCompression = HGIMGFMT_TIFFCOMP_LZW;
                else if (2 == m_aquireIntoSaveParam.m_tiffCompression)
                    saveInfo.tiffCompression = HGIMGFMT_TIFFCOMP_JPEG;
                saveInfo.tiffJpegQuality = (HGUInt)m_aquireIntoSaveParam.m_tiffQuality;
                HGImgFmt_SaveImageToWriter(m_scanImgFmtWriter, image, &saveInfo);
            }
        }
        else
        {
            assert(m_scanFileName.isEmpty());
            assert(nullptr == m_scanImgFmtWriter);
            HGBase_CreateDir(getStdString(m_aquireIntoSaveParam.m_savePath).c_str());

            QString scanFileName;
            while (1)
            {
                scanFileName = QString(tr("%1%2%3.%4")).arg(m_aquireIntoSaveParam.m_savePath)
                        .arg(m_aquireIntoSaveParam.m_fileNamePrefix)
                        .arg(m_aquireIntoSaveParam.m_fileNameStartIndex, m_aquireIntoSaveParam.m_fileNameDigits, 10, QLatin1Char('0'))
                        .arg(m_aquireIntoSaveParam.m_fileNameExt);
                QFileInfo fileInfo(scanFileName);
                if (fileInfo.isFile())
                {
                    ++m_aquireIntoSaveParam.m_fileNameStartIndex;
                }
                else
                {
                    break;
                }
            }

            HGImgFmtSaveInfo saveInfo;
            saveInfo.jpegQuality = (HGUInt)m_aquireIntoSaveParam.m_jpegQuality;
            saveInfo.tiffCompression = HGIMGFMT_TIFFCOMP_NONE;
            if (1 == m_aquireIntoSaveParam.m_tiffCompression)
                saveInfo.tiffCompression = HGIMGFMT_TIFFCOMP_LZW;
            else if (2 == m_aquireIntoSaveParam.m_tiffCompression)
                saveInfo.tiffCompression = HGIMGFMT_TIFFCOMP_JPEG;
            saveInfo.tiffJpegQuality = (HGUInt)m_aquireIntoSaveParam.m_tiffQuality;
            HGImgFmt_SaveImage(image, 0, &saveInfo, getStdString(scanFileName).c_str());

            m_thumb->addItem(scanFileName);
            ++m_aquireIntoSaveParam.m_fileNameStartIndex;
        }
    }

    HGBase_DestroyImage(image);
}

void MainWindow::on_scan_working(QString workingInfo)
{
    m_wndStatusBar->setDeviceStatusInfo(workingInfo, false);
    m_dialogLog->addLog(workingInfo, false);
    HGBase_WriteInfo(HGBASE_INFOTYPE_DESC, "%s", getStdString(workingInfo).c_str());
}

void MainWindow::on_scan_finish(QString finishInfo, int err)
{
    if (0 == m_scanType)
    {
        if (nullptr != m_scanImgFmtWriter)
        {
            HGImgFmt_CloseImageWriter(m_scanImgFmtWriter);
            m_scanImgFmtWriter = nullptr;
            m_thumb->addItem(m_scanFileName);
            m_scanFileName.clear();
            ++m_aquireIntoSaveParam.m_fileNameStartIndex;
        }
    }

    m_isScanning = false;
    m_thumb->setAcceptDrops(true);
    m_dialogLog->updateStatus(cur_dev_.is_online() && 0 != m_scanType, m_isScanning);
    updateActionStatus();
    m_wndStatusBar->setDeviceStatusInfo(finishInfo, (err != SANE_STATUS_GOOD));
    m_dialogLog->addLog(finishInfo, (err != SANE_STATUS_GOOD));
    HGBase_WriteInfo((err != SANE_STATUS_GOOD) ? HGBASE_INFOTYPE_ERROR : HGBASE_INFOTYPE_DESC, 
        "%s", getStdString(finishInfo).c_str());
}

void MainWindow::on_continueScan()
{
    if (!cur_dev_.is_online() || m_isScanning || 0 == m_scanType)
    {
        return;
    }

    if (!startSpaceCheck(m_dialogLog))
    {
        return;
    }

    startSaveMessageBox(m_dialogLog);

    SANE_Status ret;
    if (m_singleScan)
        ret = sane_io_control(cur_dev_.handle(), IO_CTRL_CODE_TEST_SINGLE, nullptr, nullptr);
    else
        ret = sane_start(cur_dev_.handle());
    if (ret != SANE_STATUS_GOOD)
    {
        m_wndStatusBar->setDeviceStatusInfo(tr("start failed"), true);
        m_dialogLog->addLog(tr("start failed"), true);
        HGBase_WriteInfo(HGBASE_INFOTYPE_ERROR, "%s", getStdString(tr("start failed")).c_str());
    }
    else
    {
        m_isScanning = true;
        m_thumb->setAcceptDrops(false);
        m_dialogLog->updateStatus(cur_dev_.is_online() && 0 != m_scanType, m_isScanning);
        updateActionStatus();
    }

    m_dialogLog->show();
}

void MainWindow::on_stopScan()
{
    m_scanType = 0;
    m_dialogLog->updateStatus(cur_dev_.is_online() && 0 != m_scanType, m_isScanning);

    if (!m_isScanning)
    {
        if (nullptr != m_scanImgFmtWriter)
        {
            HGImgFmt_CloseImageWriter(m_scanImgFmtWriter);
            m_scanImgFmtWriter = nullptr;
            m_thumb->addItem(m_scanFileName);
            m_scanFileName.clear();
            ++m_aquireIntoSaveParam.m_fileNameStartIndex;
        }
    }
    else
    {
        if (cur_dev_.is_online())
        {
            sane_cancel(cur_dev_.handle());
        }
    }
}

void MainWindow::on_statusInfoDblClick()
{
    m_dialogLog->show();
}

void MainWindow::on_act_thumbnailBar_triggered(bool checked)
{
    ui->dockWidget->setVisible(checked);
}

void MainWindow::on_act_previous_triggered()
{
    int count = 0;
    m_thumb->getItemCount(&count);
    if (count > 0 && (-1 == m_currIndex || m_currIndex > 0))
    {
        if (-1 == m_currIndex)
            m_thumb->setCurrItem(0);
        else
            m_thumb->setCurrItem(m_currIndex - 1);
    }
}

void MainWindow::on_act_next_triggered()
{
    int count = 0;
    m_thumb->getItemCount(&count);
    if (count > 0 && (-1 == m_currIndex || m_currIndex < count - 1))
    {
        if (-1 == m_currIndex)
            m_thumb->setCurrItem(0);
        else
            m_thumb->setCurrItem(m_currIndex + 1);
    }
}

void MainWindow::on_act_first_triggered()
{
    int count = 0;
    m_thumb->getItemCount(&count);
    if (count > 0 && 0 != m_currIndex)
    {
        m_thumb->setCurrItem(0);
    }
}

void MainWindow::on_act_last_triggered()
{
    int count = 0;
    m_thumb->getItemCount(&count);
    if (count > 0 && count - 1 != m_currIndex)
    {
        m_thumb->setCurrItem(count - 1);
    }
}

QString MainWindow::getCacheFileName()
{
    QString cachePath = Dialog_ClrCache::getCachePath();
    HGBase_CreateDir(getStdString(cachePath).c_str());

    char uuid[256] = {0};
    HGBase_GetUuid(uuid, 256);
    QString fileName = getStdFileName(cachePath + uuid + ".jpg");
    return fileName;
}

HGImage MainWindow::createImage()
{
    qDebug("createImage");

    assert(-1 != m_currIndex && -1 != m_multiIndex);
    assert(!m_currFilePath.isEmpty());

    HGImage img = nullptr;

    HGPdfReader pdfReader = nullptr;
    HGImgFmt_OpenPdfReader(getStdString(m_currFilePath).c_str(), &pdfReader);
    if (nullptr != pdfReader)
    {
        HGPdfPageInfo pageInfo = {0, 0};
        if (HGBASE_ERR_OK == HGImgFmt_GetPdfPageInfo(pdfReader, (HGUInt)m_multiIndex, &pageInfo))
        {
            float scale = 1.0f;
            if (pageInfo.width < 1600)
                scale = 1600.0f / pageInfo.width;
            HGImgFmt_LoadImageFromPdfReader(pdfReader, (HGUInt)m_multiIndex, scale, scale, HGBASE_IMGTYPE_RGB, HGBASE_IMGORIGIN_TOP, &img);
        }

        HGImgFmt_ClosePdfReader(pdfReader);
    }
    else
    {
        HGImgFmtReader imgFmtReader = nullptr;
        HGImgFmt_OpenImageReader(getStdString(m_currFilePath).c_str(), 0, &imgFmtReader);
        if (nullptr != imgFmtReader)
        {
            HGImgFmt_LoadImageFromReader(imgFmtReader, (HGUInt)m_multiIndex, nullptr, HGBASE_IMGTYPE_RGB, HGBASE_IMGORIGIN_TOP, &img);
            HGImgFmt_CloseImageReader(imgFmtReader);
        }
    }

    return img;
}

int MainWindow::getMultiPageCount()
{
    assert(-1 != m_currIndex);
    assert(!m_currFilePath.isEmpty());

    int count = 0;

    HGImgFmtReader imgFmtReader = nullptr;
    HGImgFmt_OpenImageReader(getStdString(m_currFilePath).c_str(), 0, &imgFmtReader);
    if (nullptr != imgFmtReader)
    {
        HGImgFmt_GetImagePageCount(imgFmtReader, (HGUInt *)&count);
        HGImgFmt_CloseImageReader(imgFmtReader);
    }

    qDebug("pageCount=%d", count);
    return count;
}

void MainWindow::updateStatusBarPixelInfo()
{
    HGImage img = nullptr;
    m_view->getImage(&img);
    if (nullptr == img)
    {
        m_wndStatusBar->setPixelInfo(0, 0, 0);
    }
    else
    {
        HGImageInfo imgInfo;
        HGBase_GetImageInfo(img, &imgInfo);
        int bpp = 0;
        if (HGBASE_IMGTYPE_GRAY == imgInfo.type)
            bpp = 8;
        else if (HGBASE_IMGTYPE_BGR == imgInfo.type || HGBASE_IMGTYPE_RGB == imgInfo.type)
            bpp = 24;
        else
            bpp = 32;
        m_wndStatusBar->setPixelInfo((int)imgInfo.width, (int)imgInfo.height, bpp);
    }
}

void MainWindow::updateActionStatus()
{
    HGImage img = nullptr;
    m_view->getImage(&img);
    int count = 0;
    m_thumb->getItemCount(&count);
    std::vector<int> selectIndexs;
    for (int i = 0; i < count; ++i)
    {
        bool select = false;
        m_thumb->itemIsSelect(i, &select);
        if (select)
            selectIndexs.push_back(i);
    }

    ui->act_open->setEnabled(!cur_dev_.is_online() || !m_isScanning);
    ui->act_insert->setEnabled(!cur_dev_.is_online() || !m_isScanning);
    ui->act_save->setEnabled(nullptr != img && -1 != m_currIndex && m_multiPageCount == 1
        && (!cur_dev_.is_online() || !m_isScanning));
    ui->act_saveAs->setEnabled(nullptr != img);
    ui->act_Export->setEnabled(0 != count && (!cur_dev_.is_online() || !m_isScanning));
    ui->act_closeFile->setEnabled(!selectIndexs.empty() && (!cur_dev_.is_online() || !m_isScanning));
    ui->act_closeAll->setEnabled(0 != count && (!cur_dev_.is_online() || !m_isScanning));
    ui->act_imageInfo->setEnabled(-1 != m_currIndex && (!cur_dev_.is_online() || !m_isScanning));
    ui->menu_multiPages->setEnabled(m_multiPageCount > 1 && (!cur_dev_.is_online() || !m_isScanning));
    ui->act_previous->setEnabled(count > 0 && (-1 == m_currIndex || m_currIndex > 0) 
        && (!cur_dev_.is_online() || !m_isScanning));
    ui->act_next->setEnabled(count > 0 && (-1 == m_currIndex || m_currIndex < count - 1) 
        && (!cur_dev_.is_online() || !m_isScanning));
    ui->act_first->setEnabled(count > 0 && 0 != m_currIndex && (!cur_dev_.is_online() || !m_isScanning));
    ui->act_last->setEnabled(count > 0 && count - 1 != m_currIndex && (!cur_dev_.is_online() || !m_isScanning));
    ui->act_openPageNum->setEnabled(count > 0 && (!cur_dev_.is_online() || !m_isScanning));
    ui->act_previousPage->setEnabled(-1 != m_currIndex && m_multiPageCount > 0 && m_multiIndex > 0
        && (!cur_dev_.is_online() || !m_isScanning));
    ui->act_nextPage->setEnabled(-1 != m_currIndex && m_multiPageCount > 0 && -1 != m_multiIndex && m_multiIndex < m_multiPageCount - 1
        && (!cur_dev_.is_online() || !m_isScanning));
    ui->act_firstPage->setEnabled(-1 != m_currIndex && m_multiPageCount > 0 && 0 != m_multiIndex
        && (!cur_dev_.is_online() || !m_isScanning));
    ui->act_lastPage->setEnabled(-1 != m_currIndex && m_multiPageCount > 0 && m_multiIndex != m_multiPageCount - 1
        && (!cur_dev_.is_online() || !m_isScanning));
    m_multiPageLineEdit->setText(QString("%1/%2").arg(m_multiIndex + 1).arg(m_multiPageCount));
    ui->toolBar->actions().at(16)->setVisible(-1 != m_currIndex && m_multiPageCount > 1 && -1 != m_multiIndex
        && (!cur_dev_.is_online() || !m_isScanning));

    ui->act_imageEdit->setEnabled(nullptr != img);
    ui->act_zoomIn->setEnabled(nullptr != img);
    ui->act_zoomOut->setEnabled(nullptr != img);
    ui->act_fullscreen->setEnabled(count > 0 && -1 != m_currIndex && -1 != m_multiIndex
        && (!cur_dev_.is_online() || !m_isScanning));
    ui->act_fitWindowSize->setEnabled(nullptr != img);
    ui->act_fitWindowWidth->setEnabled(nullptr != img);
    ui->act_realSize->setEnabled(nullptr != img);
    ui->act_90Left->setEnabled(nullptr != img);
    ui->act_90Right->setEnabled(nullptr != img);
    ui->act_180->setEnabled(nullptr != img);
    ui->menu_Auto_Image_Size->setEnabled(nullptr != img);
    ui->act_adjust->setEnabled(nullptr != img);
    ui->act_multiRotate->setEnabled(0 != count && (!cur_dev_.is_online() || !m_isScanning));
    ui->menu_Rotate->setEnabled((0 != count || nullptr != img) && (!cur_dev_.is_online() || !m_isScanning));
    ui->act_autoCrop->setEnabled(nullptr != img);

    ui->act_signIn->setEnabled(!m_admin_loggedIn);
    ui->act_passwordChange->setEnabled(m_admin_loggedIn);
    ui->act_signOut->setEnabled(m_admin_loggedIn);
    ui->act_log->setEnabled(m_admin_loggedIn);
    ui->act_clrCache->setEnabled(m_admin_loggedIn);
    ui->act_consume->setEnabled(m_admin_loggedIn);
    ui->act_clearRoller->setEnabled(m_admin_loggedIn);

    ui->act_acquireInto->setEnabled(cur_dev_.is_online() && !m_isScanning);
    ui->act_acquireSingle->setEnabled(cur_dev_.is_online() && !m_isScanning);
    ui->act_acquire->setEnabled(cur_dev_.is_online() && !m_isScanning);
    ui->act_scannerSettings->setEnabled(cur_dev_.is_online() && !m_isScanning);
    ui->act_insertFromScanner->setEnabled(cur_dev_.is_online() && !m_isScanning);
    ui->menu_scan->setEnabled(cur_dev_.is_online() && !m_isScanning);
    ui->menu_device->setEnabled(!cur_dev_.is_online() || !m_isScanning);

    m_moveToAction->setEnabled(!selectIndexs.empty() && (!cur_dev_.is_online() || !m_isScanning));
}

void MainWindow::startSaveMessageBox(QWidget* parent)
{
    HGImage img = nullptr;
    m_view->getImage(&img);
    if (nullptr != img && m_modify && -1 != m_currIndex && m_multiPageCount == 1)
    {
        QMessageBox msg(QMessageBox::Question, tr("Question"),
                        tr("modified, save it?"),
                        QMessageBox::Yes | QMessageBox::No, parent);
        msg.setButtonText(QMessageBox::Yes, tr("yes"));
        msg.setButtonText(QMessageBox::No, tr("no"));
        msg.exec();
        if (msg.clickedButton() != msg.button(QMessageBox::Yes))
        {
            m_modify = false;
            updateActionStatus();
        }
        else
        {
            on_act_save_triggered();
        }
    }
}

askIfClear MainWindow::startScanMessageBox(QWidget *parent)
{
    QMessageBox box(parent);
    QPushButton* clearBtn = box.addButton(tr("Clear, then start scan"), QMessageBox::ActionRole);
    box.addButton(tr("Do NOT clear, then start scan"), QMessageBox::ActionRole);
    QPushButton* cancelBtn = box.addButton(QMessageBox::Cancel);
    box.setWindowTitle(tr("Question"));
    box.setText(tr("Already exist images in image list.\nDo you want to clear?"));
    box.exec();
    if (box.clickedButton() == cancelBtn)
        return cancelScan;
    else if (box.clickedButton() == clearBtn)
    {
        on_act_closeAll_triggered();
        return clearAndScan;
    }
    return notClearAndScan;
}

bool MainWindow::startSpaceCheck(QWidget* parent)
{
    qint64 space = 0;

    QList<QStorageInfo> storageInfoList = QStorageInfo::mountedVolumes();
    foreach(QStorageInfo storage, storageInfoList)
    {
        QString savePath;
        if (1 == m_scanType)
            savePath = Dialog_ClrCache::getCachePath();
        else if (2 == m_scanType)
            savePath = m_aquireIntoSaveParam.m_savePath;
        if (0 == savePath.indexOf(getStdFileName(storage.rootPath())))
        {
            space = storage.bytesAvailable() / 1024 / 1024;
            break;
        }
    }

    assert(0 != space);
    if (space < 64)
    {
        QMessageBox msg(QMessageBox::Information, tr("Information"),
            tr("Insufficient disk space"), QMessageBox::Yes, parent);
        msg.setButtonText(QMessageBox::Yes, tr("yes"));
        msg.exec();
        return false;
    }

    return true;
}

QString MainWindow::passwordEncrypt(const QString& password)
{
    QString p = password;
    int num = PASSWORD_KEY - p.length() % PASSWORD_KEY;
    for (int i = 0; i < num; i++)
        p.append("+");
    int rows = p.length() / 4;
    QString transcode;
    for (int i = 0; i < PASSWORD_KEY; i++)
        for (int j = 0; j < rows; j++)
            transcode.append(p[i + j * PASSWORD_KEY]);

    return transcode;
}

QString MainWindow::passwordDecrypt(const QString& transcode)
{
    QString t = transcode;
    int cols = t.length() / 4;
    QString password;
    for (int i = 0; i < cols; i++)
        for (int j = 0; j < PASSWORD_KEY; j++)
            password.append(t[i + j * cols]);
    password.remove("+");
    return password;
}

void MainWindow::on_act_openPageNum_triggered()
{
    int count = 0;
    m_thumb->getItemCount(&count);
    if (0 == count)
    {
        return;
    }

    Dialog_OpenImageIndex dlg(count, (-1 == m_currIndex) ? 0 : m_currIndex, this);
    if (dlg.exec())
    {
        int index = dlg.getIndex();
        m_thumb->setCurrItem(index);
    }
}

void MainWindow::on_act_previousPage_triggered()
{
    if (-1 != m_currIndex && m_multiPageCount > 0 && m_multiIndex > 0)
    {
        --m_multiIndex;

        HGImage img = createImage();
        if (nullptr != img)
        {
            m_view->addImage(img);
            HGBase_DestroyImage(img);
            m_modify = false;
        }
        else
        {
            m_view->clearImage();
            m_wndStatusBar->setMousePosInfo(0, 0);
            m_modify = false;
        }

        updateStatusBarPixelInfo();
        updateActionStatus();
    }
}

void MainWindow::on_act_nextPage_triggered()
{
    if (-1 != m_currIndex && m_multiPageCount > 0 && -1 != m_multiIndex && m_multiIndex < m_multiPageCount - 1)
    {
        ++m_multiIndex;

        HGImage img = createImage();
        if (nullptr != img)
        {
            m_view->addImage(img);
            HGBase_DestroyImage(img);
            m_modify = false;
        }
        else
        {
            m_view->clearImage();
            m_wndStatusBar->setMousePosInfo(0, 0);
            m_modify = false;
        }

        updateStatusBarPixelInfo();
        updateActionStatus();
    }
}

void MainWindow::on_act_firstPage_triggered()
{
    if (-1 != m_currIndex && m_multiPageCount > 0 && 0 != m_multiIndex)
    {
        m_multiIndex = 0;

        HGImage img = createImage();
        if (nullptr != img)
        {
            m_view->addImage(img);
            HGBase_DestroyImage(img);
            m_modify = false;
        }
        else
        {
            m_view->clearImage();
            m_wndStatusBar->setMousePosInfo(0, 0);
            m_modify = false;
        }

        updateStatusBarPixelInfo();
        updateActionStatus();
    }
}

void MainWindow::on_act_lastPage_triggered()
{
    if (-1 != m_currIndex && m_multiPageCount > 0 && m_multiIndex != m_multiPageCount - 1)
    {
        m_multiIndex = m_multiPageCount - 1;

        HGImage img = createImage();
        if (nullptr != img)
        {
            m_view->addImage(img);
            HGBase_DestroyImage(img);
            m_modify = false;
        }
        else
        {
            m_view->clearImage();
            m_wndStatusBar->setMousePosInfo(0, 0);
            m_modify = false;
        }

        updateStatusBarPixelInfo();
        updateActionStatus();
    }
}

void MainWindow::on_act_adjust_triggered()
{
    HGImage img = nullptr;
    m_view->getImage(&img);
    if (nullptr == img)
    {
        return;
    }

    Dialog_ImgProc_Adjust dlg(img, this);
    connect(&dlg, SIGNAL(applyToImage(HGImage)), this, SLOT(on_dialog_adjust_applyToImage(HGImage)));
    if (dlg.exec())
    {
        m_view->addImage(dlg.getAfterImage());
        m_modify = true;
    }
    else
    {
        m_view->addImage(dlg.getBeforeImage());
    }

    updateStatusBarPixelInfo();
    updateActionStatus();
    disconnect(&dlg, SIGNAL(applyToImage(HGImage)), this, SLOT(on_dialog_adjust_applyToImage(HGImage)));
}

void MainWindow::on_act_open_triggered()
{
    if (m_isScanning)
    {
        return;
    }

    QStringList fileNames = QFileDialog::getOpenFileNames(nullptr, tr("Open images"), "", "(*.jpg *.jpeg *.png *.bmp *.pdf *.tif *.tiff *.ofd)");
    m_thumb->addItems(fileNames);
}

void MainWindow::on_act_insert_triggered()
{
    if (m_isScanning)
    {
        return;
    }

    QStringList fileNames = QFileDialog::getOpenFileNames(nullptr, tr("Insert images"), "", "(*.jpg *.jpeg *.png *.bmp *.pdf *.tif *.tiff *.ofd)");
    if (-1 != m_currIndex)
        m_thumb->insertItems(fileNames, m_currIndex);
    else
        m_thumb->addItems(fileNames);
}

void MainWindow::on_act_closeFile_triggered()
{
    if (m_isScanning)
    {
        return;
    }

    std::vector<int> selectIndexs;
    int count = 0;
    m_thumb->getItemCount(&count);
    for (int i = 0; i < count; ++i)
    {
        bool select = false;
        m_thumb->itemIsSelect(i, &select);
        if (select)
            selectIndexs.push_back(i);
    }

    if (selectIndexs.empty())
    {
        return;
    }

    if (-1 != m_currIndex)
    {
        bool select = false;
        m_thumb->itemIsSelect(m_currIndex, &select);
        if (select)
        {
            startSaveMessageBox(this);
        }
    }

    m_thumb->removeItems(selectIndexs, HGImgThumb::ThumbRemoveFlag_NULL);
}

void MainWindow::on_act_closeAll_triggered()
{
    if (m_isScanning)
    {
        return;
    }

    int count = 0;
    m_thumb->getItemCount(&count);
    if (0 == count)
    {
        return;
    }

    startSaveMessageBox(this);

    m_thumb->removeAllItems(HGImgThumb::ThumbRemoveFlag_NULL);
}

void MainWindow::on_act_exit_triggered()
{
    close();
}

void MainWindow::on_act_save_triggered()
{
    HGImage img = nullptr;
    m_view->getImage(&img);
    if (nullptr == img || -1 == m_currIndex || 1 != m_multiPageCount)
    {
        return;
    }

    assert(!m_currFilePath.isEmpty());
    if (0 == m_currFilePath.indexOf(Dialog_ClrCache::getCachePath()))
    {
        Dialog_SaveAs dlg(this);
        if (dlg.exec())
        {
            QString savePath = dlg.getSavePath();

            bool find = false;
            int count = 0;
            m_thumb->getItemCount(&count);
            for (int i = 0; i < count; ++i)
            {
                QString fileName;
                m_thumb->getItemFileName(i, fileName);
                assert(!fileName.isEmpty());

                if (fileName == savePath)
                {
                    find = true;
                    break;
                }
            }

            if (!find)
            {
                int jpegQuality = dlg.getJpegQuality();
                int tiffCompressionBW = dlg.getTiffCompressionBW();
                int tiffCompression = dlg.getTiffCompression();
                int tiffQuality = dlg.getTiffQuality();

                HGImgFmtSaveInfo saveInfo;
                saveInfo.jpegQuality = (HGUInt)jpegQuality;
                saveInfo.tiffCompression = HGIMGFMT_TIFFCOMP_NONE;
                if (1 == tiffCompression)
                    saveInfo.tiffCompression = HGIMGFMT_TIFFCOMP_LZW;
                else if (2 == tiffCompression)
                    saveInfo.tiffCompression = HGIMGFMT_TIFFCOMP_JPEG;
                saveInfo.tiffJpegQuality = (HGUInt)tiffQuality;
                if (HGBASE_ERR_OK == HGImgFmt_SaveImage(img, 0, &saveInfo, getStdString(savePath).c_str()))
                {
                    m_thumb->updateItem(m_currIndex, savePath);
                    m_currFilePath = savePath;
                    m_modify = false;
                }
                else
                {
                    QMessageBox::information(this, tr("info"), tr("save failed"));
                }
            }
            else
            {
                QMessageBox::information(this, tr("info"), tr("find savePath in thumbnail"));
            }
        }

        return;
    }

    HGResult saveRet = HGBASE_ERR_FAIL;
    HGUInt fmtType = 0;
    HGImgFmt_GetImgFmtTypeFromFileName(getStdString(m_currFilePath).c_str(), &fmtType);
    if (HGIMGFMT_TYPE_TIFF == fmtType)
    {
        HGUInt compression = HGIMGFMT_TIFFCOMP_LZW;

        HGTiffReader tiffReader = nullptr;
        HGImgFmt_OpenTiffReader(getStdString(m_currFilePath).c_str(), &tiffReader);
        if (nullptr != tiffReader)
        {
            UPTiffLoadInfo tiffInfo;
            HGImgFmt_LoadImageFromTiffReader(tiffReader, 0, &tiffInfo, 0, 0, nullptr);
            compression = tiffInfo.compression;
            HGImgFmt_CloseTiffReader(tiffReader);
        }

        HGUInt xDpi, yDpi;
        HGBase_GetImageDpi(img, &xDpi, &yDpi);
        UPTiffSaveInfo tiffInfo;
        tiffInfo.compression = compression;
        tiffInfo.jpegQuality = 80;
        tiffInfo.resolutionUnit = HGIMGFMT_TIFFRESUNIT_INCH;
        tiffInfo.xResolution = xDpi;
        tiffInfo.yResolution = yDpi;

        HGTiffWriter tiffWriter = nullptr;
        HGImgFmt_OpenTiffWriter(getStdString(m_currFilePath).c_str(), &tiffWriter);
        if (nullptr != tiffWriter)
        {
            saveRet = HGImgFmt_SaveImageToTiffWriter(tiffWriter, img, &tiffInfo);
            HGImgFmt_CloseTiffWriter(tiffWriter);
        }
    }
    else
    {
        saveRet = HGImgFmt_SaveImage(img, 0, nullptr, getStdString(m_currFilePath).c_str());
    }

    if (HGBASE_ERR_OK == saveRet)
    {
        m_thumb->refreshItem(m_currFilePath);
        m_modify = false;
        updateActionStatus();
    }
    else
    {
        QMessageBox::information(this, tr("info"), tr("save failed"));
    }
}

void MainWindow::on_act_saveAs_triggered()
{
    HGImage img = nullptr;
    m_view->getImage(&img);
    if (nullptr == img)
    {
        return;
    }

    Dialog_SaveAs dlg(this);
    if (dlg.exec())
    {
        QString savePath = dlg.getSavePath();

        bool find = false;
        int count = 0;
        m_thumb->getItemCount(&count);
        for (int i = 0; i < count; ++i)
        {
            QString fileName;
            m_thumb->getItemFileName(i, fileName);
            assert(!fileName.isEmpty());

            if (fileName == savePath)
            {
                find = true;
                break;
            }
        }

        if (!find)
        {
            int jpegQuality = dlg.getJpegQuality();
            int tiffCompressionBW = dlg.getTiffCompressionBW();
            int tiffCompression = dlg.getTiffCompression();
            int tiffQuality = dlg.getTiffQuality();

            HGImgFmtSaveInfo saveInfo;
            saveInfo.jpegQuality = (HGUInt)jpegQuality;
            saveInfo.tiffCompression = HGIMGFMT_TIFFCOMP_NONE;
            if (1 == tiffCompression)
                saveInfo.tiffCompression = HGIMGFMT_TIFFCOMP_LZW;
            else if (2 == tiffCompression)
                saveInfo.tiffCompression = HGIMGFMT_TIFFCOMP_JPEG;
            saveInfo.tiffJpegQuality = (HGUInt)tiffQuality;
            if (HGBASE_ERR_OK == HGImgFmt_SaveImage(img, 0, &saveInfo, getStdString(savePath).c_str()))
            {

            }
            else
            {
                QMessageBox::information(this, tr("info"), tr("save failed"));
            }
        }
        else
        {
            QMessageBox::information(this, tr("info"), tr("find savePath in thumbnail"));
        }
    }
}

void MainWindow::on_act_Export_triggered()
{
    int count = 0;
    m_thumb->getItemCount(&count);
    if (0 == count)
    {
        return;
    }

    std::vector<int> selectIndexs;
    for (int i = 0; i < count; ++i)
    {
        bool select = false;
        m_thumb->itemIsSelect(i, &select);
        if (select)
            selectIndexs.push_back(i);
    }

    Dialog_Export dlg(count, selectIndexs, this);
    if (dlg.exec())
    {
        QStringList srcFiles;

        std::vector<int> saveIndexs;
        dlg.getSaveIndexs(saveIndexs);
        for (size_t i = 0; i < saveIndexs.size(); ++i)
        {
            QString fileName;
            m_thumb->getItemFileName(saveIndexs[i], fileName);
            srcFiles.append(fileName);
        }

        if (!srcFiles.isEmpty())
        {
            QString savePath = dlg.getSavePath();
            QString saveName = dlg.getSaveName();
            QString saveExt = dlg.getSaveExt();
            bool isSaveAsMulti = dlg.isSaveAsMultiPage();
            int jpegQuality = dlg.getJpegQuality();
            int tiffCompressionBW = dlg.getTiffCompressionBW();
            int tiffCompression = dlg.getTiffCompression();
            int tiffQuality = dlg.getTiffQuality();

            Dialog_ExportImageFile dlgExport(savePath, saveName, saveExt, isSaveAsMulti, jpegQuality,
                tiffCompressionBW, tiffCompression, tiffQuality, srcFiles, this);
            dlgExport.exec();
        }
    }
}

void MainWindow::on_act_imageInfo_triggered()
{
    if (-1 == m_currIndex)
    {
        return;
    }

    assert(!m_currFilePath.isEmpty());
    QFileInfo info(m_currFilePath);

    HGImgFmtLoadInfo imgInfo;
    memset(&imgInfo, 0, sizeof(HGImgFmtLoadInfo));

    HGImgFmtReader imgFmtReader = nullptr;
    HGImgFmt_OpenImageReader(getStdString(m_currFilePath).c_str(), 0, &imgFmtReader);
    if (nullptr != imgFmtReader)
    {
        HGImgFmt_LoadImageFromReader(imgFmtReader, (HGUInt)m_multiIndex, &imgInfo, 0, 0, nullptr);
        HGImgFmt_CloseImageReader(imgFmtReader);
    }

    QStringList fileKeys;
    fileKeys << tr("File name") << tr("File path") << tr("File size") << tr("Creation date/time") << tr("Modified date/time") << tr("Accessed date/time");

    QStringList fileValues;
    fileValues.append(info.completeBaseName());//add Filename
    fileValues.append(info.absoluteFilePath());//add Filepath
    qint64 size_B = info.size();
    QDateTime c_date = info.birthTime();
    QString createTime = c_date.toString("yyyy-MM-dd hh:mm:ss");
    fileValues.append(createTime);//add File created time
    QDateTime m_date = info.lastModified();
    QString modifiedTime = m_date.toString("yyyy-MM-dd hh:mm:ss");
    fileValues.append(modifiedTime);//add File modified time
    QDateTime r_date = info.lastRead();
    QString accessTime = r_date.toString("yyyy-MM-dd hh:mm:ss");
    fileValues.append(accessTime);//add File access time

    double s = size_B;
    int unit = 0;
    while (true)
    {
        if (s > 1024.0)
        {
            s /= 1024.0;
            unit += 1;
        }
        else
            break;
    }
    QString unitstring = unit == 3 ? "GB" : (unit == 2 ? "MB" : (unit == 1 ? "KB" : "B"));
    QString sstring = QString::number(s, 'f', 2);
    QString Bstring = QString::number(size_B);
    int commaNum = Bstring.size() / 3;
    if (Bstring.size() % 3 == 0)
        commaNum -= 1;
    int offset = 0;
    for (int i = 0; i < commaNum; i++)
    {
        Bstring.insert(Bstring.size() - 3 - offset * 4, ",");
        offset += 1;
    }
    fileValues.insert(2, sstring + " " + unitstring + " (" + Bstring + ")");//add Filesize

    QStringList imageKeys;
    imageKeys << tr("Format") << tr("Width") << tr("Height") << tr("depth") << tr("Color model") << tr("DPI") << tr("Print size") << tr("Frame");
    QStringList imageValues;
    imageValues.append(info.suffix());//add image format
    imageValues.append(QString::number(imgInfo.width));//add image width
    imageValues.append(QString::number(imgInfo.height));//add image height

    int depth = (int)imgInfo.bpp;
    imageValues.append(QString::number(depth));//add image depth
    imageValues.append(depth == 0 ? tr("None") : (depth == 1 ? tr("Mono") : (depth == 8 ? tr("Gray") : tr("Color"))));//add image color
    QString dpi = QString::number(imgInfo.xDpi) + " x " + QString::number(imgInfo.yDpi);
    imageValues.append(dpi);//add image dpi

    double cm_x = (0 == imgInfo.xDpi) ? 0 : 2.54 * imgInfo.width / imgInfo.xDpi;
    double cm_y = (0 == imgInfo.yDpi) ? 0 : 2.54 * imgInfo.height / imgInfo.yDpi;
    QString cm_printsize = QString::number(cm_x, 'f', 2) + " x " + QString::number(cm_y, 'f', 2) + " cm";
    double inch_x = cm_x / 2.54;
    double inch_y = cm_y / 2.54;
    QString inch_printsize = QString::number(inch_x, 'f', 2) + " x " + QString::number(inch_y, 'f', 2) + " inches";
    imageValues.append(cm_printsize + ", " + inch_printsize);//add image print size
    imageValues.append(QString::number(m_multiIndex));

    Dialog_ImageInfo d(fileKeys, fileValues, imageKeys, imageValues, this);
    d.exec();
}

void MainWindow::closeEvent(QCloseEvent *e)
{
    if (m_isScanning)
    {
        QMessageBox::warning(this, tr("Warning"), tr("Device is Running!\nPlease finish scanning first."));
        e->ignore();
        return;
    }

    bool cache_saved = true;
    int count = 0;
    m_thumb->getItemCount(&count);
    for (int i = 0; i < count; ++i)
    {
        QString fileName;
        m_thumb->getItemFileName(i, fileName);
        if (0 == fileName.indexOf(Dialog_ClrCache::getCachePath()))
        {
            cache_saved = false;
            break;
        }
    }

    if (!cache_saved || m_modify)
    {
        QMessageBox msg(QMessageBox::Question, tr("Question"),
                        tr("There are pictures that have not been saved.\nAre you sure to close?"),
                        QMessageBox::Yes | QMessageBox::No, this);
        msg.setButtonText(QMessageBox::Yes, tr("yes"));
        msg.setButtonText(QMessageBox::No, tr("no"));
        msg.exec();
        if (msg.clickedButton() != msg.button(QMessageBox::Yes))
        {
            e->ignore();
            return;
        }
    }
    else
    {
        QMessageBox msg(QMessageBox::Question, tr("tips"),
                        tr("Are you sure to close?"),
                        QMessageBox::Yes | QMessageBox::No, this);
        msg.setButtonText(QMessageBox::Yes, tr("yes"));
        msg.setButtonText(QMessageBox::No, tr("no"));
        msg.exec();
        if (msg.clickedButton() != msg.button(QMessageBox::Yes))
        {
            e->ignore();
            return;
        }
    }

    QDir dir = QDir(Dialog_ClrCache::getCachePath());
    dir.removeRecursively();
    QMainWindow::closeEvent(e);
}

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_Ex* sane_dev = (SANE_Device_Ex*)data;
            emit p->sane_dev_arrive(sane_dev->name, sane_dev->openned == SANE_TRUE);
        }
        break;
    case SANE_EVENT_DEVICE_LEFT:
        {
            SANE_Device* sane_dev = (SANE_Device*)data;
            emit p->sane_dev_remove(sane_dev->name);
        }
        break;
    case SANE_EVENT_STATUS:
        {
        }
        break;
    case SANE_EVENT_ERROR:
        {
            QString errorInfo((char*)data);
            emit p->sane_dev_error(errorInfo);
        }
        break;
    case SANE_EVENT_WORKING:
        {
            QString workingInfo((char*)data);
            emit p->scan_working(workingInfo);
        }
        break;
    case SANE_EVENT_IMAGE_OK:
        {
            SANE_Image *sane_img = (SANE_Image *)data;

            HGUInt imgType = 0;
            if (sane_img->header.format == SANE_FRAME_GRAY)
                imgType = HGBASE_IMGTYPE_GRAY;
            else if (sane_img->header.format == SANE_FRAME_RGB)
                imgType = HGBASE_IMGTYPE_RGB;

            HGByte *imgData = 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 = nullptr;
            HGBase_CreateImageFromData(imgData, &imgInfo, nullptr, imgType, HGBASE_IMGORIGIN_TOP, &img);
            if (nullptr != img)
            {
                emit p->new_image(img);
            }
        }
        break;
    case SANE_EVENT_SCAN_FINISHED:
        {
            int err = len ? (int)(*len) : 0;
            QString finishInfo((char*)data);
            emit p->scan_finish(finishInfo, err);
        }
        break;
    }

    return 0;
}

void MainWindow::on_act_multiRotate_triggered()
{
    int count = 0;
    m_thumb->getItemCount(&count);
    if (0 == count)
    {
        return;
    }

    Dialog_MultiRotate dlg(this);
    if (dlg.exec())
    {
        int rotateType = dlg.getRotateType();
        int rotatePageType = dlg.getRotatePageType();

        QStringList fileList;
        switch (rotatePageType)
        {
        case 0:
            {
                if (-1 != m_currIndex)
                {
                    assert(!m_currFilePath.isEmpty());
                    fileList.append(m_currFilePath);
                }
            }
            break;
        case 1:
            {
                for (int i = 0; i < count; ++i)
                {
                    bool selected = false;
                    m_thumb->itemIsSelect(i, &selected);
                    if (selected)
                    {
                        QString fileName;
                        m_thumb->getItemFileName(i, fileName);
                        fileList.append(fileName);
                    }
                }
            }
            break;
        case 2:
            {
                for (int i = 0; i < count; ++i)
                {
                    if ((i + 1) % 2 != 0)
                    {
                        QString fileName;
                        m_thumb->getItemFileName(i, fileName);
                        fileList.append(fileName);
                    }
                }
            }
            break;
        case 3:
            {
                for (int i = 0; i < count; ++i)
                {
                    if ((i + 1) % 2 == 0)
                    {
                        QString fileName;
                        m_thumb->getItemFileName(i, fileName);
                        fileList.append(fileName);
                    }
                }
            }
            break;
        case 4:
            {
                for (int i = 0; i < count; ++i)
                {
                    QString fileName;
                    m_thumb->getItemFileName(i, fileName);
                    fileList.append(fileName);
                }
            }
            break;
        }

        if (!fileList.isEmpty())
        {
            Dialog_MultiRotateImageFile processDlg(fileList, rotateType, this);
            connect(&processDlg, SIGNAL(refreshImageFile(const QString &)), this, SLOT(on_dialog_multirotate_refreshImgFile(const QString &)));
            processDlg.exec();
            disconnect(&processDlg, SIGNAL(refreshImageFile(const QString &)), this, SLOT(on_dialog_multirotate_refreshImgFile(const QString &)));
        }
    }
}

void MainWindow::on_act_autoCrop_triggered()
{
    HGImage img = nullptr;
    m_view->getImage(&img);
    if (nullptr == img)
    {
        return;
    }

    Dialog_ImgProc_AutoCrop dlg(this);
    if (dlg.exec())
    {
        bool isCrop = dlg.isCrop();
        bool isDeskew = dlg.isDeskew();
        bool isFillBlank = dlg.isFillBlank();
        bool isConvex = dlg.isConvex();
        bool isAutoColor = dlg.isAutoColor();
        bool isUseAdvParam = dlg.isUseAdvancedParam();
        int threshold = dlg.getThreshold();
        int noise = dlg.getNoise();
        int indent = dlg.getIndent();

        HGImgAutoCropParam autoCropParam;

        if (isFillBlank)
        {
            autoCropParam.convex = (HGBool)isConvex;
            autoCropParam.fillColor = (HGBool)isAutoColor;
        }
        else
        {
            autoCropParam.convex = HGTRUE;
            autoCropParam.fillColor = HGFALSE;
        }

        if (isUseAdvParam)
        {
            autoCropParam.threshold = threshold;
            autoCropParam.noise = noise;
            autoCropParam.indent = indent;
        }
        else
        {
            autoCropParam.threshold = 40.0;
            autoCropParam.noise = 8;
            autoCropParam.indent = 5;
        }

        HGImageInfo imgInfo;
        HGBase_GetImageInfo(img, &imgInfo);

        HGImage destImage = nullptr;
        HGImgProc_ImageAutoCrop(img, (HGBool)isCrop, (HGBool)isDeskew, (HGBool)isFillBlank, &autoCropParam, imgInfo.width, imgInfo.height,
            HGBASE_IMGTYPE_RGB, HGBASE_IMGORIGIN_TOP, &destImage);
        if (nullptr != destImage)
        {
            m_view->addImage(destImage);
            HGBase_DestroyImage(destImage);
            m_modify = true;

            updateStatusBarPixelInfo();
            updateActionStatus();
        }
    }
}

void MainWindow::on_act_signIn_triggered()
{
    if (m_admin_loggedIn)
    {
        return;
    }

    Dialog_Admin dlg(m_password, this);
    m_admin_loggedIn = dlg.exec();
    updateActionStatus();
}

void MainWindow::on_act_passwordChange_triggered()
{
    if (!m_admin_loggedIn)
    {
        return;
    }

    Dialog_PasswordChange dlg(m_password, this);
    if (dlg.exec())
    {
        m_password = dlg.getNewPassword();
        saveCfgValue("login", "password", passwordEncrypt(m_password));
    }
}

void MainWindow::on_act_signOut_triggered()
{
    if (!m_admin_loggedIn)
    {
        return;
    }

    QMessageBox msg(QMessageBox::Question, tr("Question"),
            tr("Sure to sign out administrator account?"), QMessageBox::Yes | QMessageBox::No);
    msg.setButtonText(QMessageBox::Yes, tr("yes"));
    msg.setButtonText(QMessageBox::No, tr("no"));
    msg.exec();
    if(msg.clickedButton() == msg.button(QMessageBox::Yes))
    {
        m_admin_loggedIn = false;
        updateActionStatus();
    }
}

void MainWindow::on_act_log_triggered()
{
    if (!m_admin_loggedIn)
    {
        return;
    }

    Dialog_LogManager d(this);
    d.setWindowFlags(Qt::Dialog | Qt::WindowCloseButtonHint);
    d.exec();
}

void MainWindow::on_act_clrCache_triggered()
{
    if (!m_admin_loggedIn)
    {
        return;
    }

    Dialog_ClrCache dlg(this);
    dlg.setWindowFlags(Qt::Dialog | Qt::WindowCloseButtonHint);
    connect(&dlg, SIGNAL(clearCache()), this, SLOT(on_clearCache()));
    dlg.exec();
    disconnect(&dlg, SIGNAL(clearCache()), this, SLOT(on_clearCache()));
}

void MainWindow::on_act_consume_triggered()
{
    if (!m_admin_loggedIn)
    {
        return;
    }
}

void MainWindow::on_act_clearRoller_triggered()
{
    if (!m_admin_loggedIn)
    {
        return;
    }

    if(QMessageBox::question(this, QString::fromStdString("\347\241\256\350\256\244\346\223\215\344\275\234")
            , QString::fromStdString("\346\202\250\347\241\256\345\256\232\350\246\201\346\270\205\351\231\244\346\273\232\350\275\264\350\256\241\346\225\260\345\220\227\357\274\237"))
            != QMessageBox::Yes)
        return;

    unsigned int count = 0;
    int ret = sane_io_control(cur_dev_.handle(), IO_CTRL_CODE_CLEAR_ROLLER_COUNT, nullptr, &count);

    if(ret == SANE_STATUS_GOOD)
        QMessageBox::information(this, tr("hint"), tr("Roller scanned count has been set to 0."));
    else
        QMessageBox::information(this, tr("hint"), tr("Roller scanned count reset failed."));
}

void MainWindow::on_act_help_triggered()
{
#if defined(HG_CMP_MSC)
    QString filename = QApplication::applicationDirPath() +  "/HuaGoScan_App_Help_manual.pdf";
#else
    QString filename = "/opt/apps/com.huagaochina.huagoscan/entries/help/HuaGoScan_App_Help_manual.pdf";
#endif

    QFileInfo info(filename);
    if (!info.exists())
        QMessageBox::warning(this, tr("Error"), tr("Document missing! It would be deleted or renamed."));
    else
        QDesktopServices::openUrl(QUrl::fromLocalFile(filename));
}

void MainWindow::my_url_handler(const QUrl& url)
{
    std::string to(url.url().toStdString());

    if(to.find("://clear-roller") != std::string::npos)
    {
        if(QMessageBox::question(this, QString::fromStdString("\347\241\256\350\256\244\346\223\215\344\275\234")
                , QString::fromStdString("\346\202\250\347\241\256\345\256\232\350\246\201\346\270\205\351\231\244\346\273\232\350\275\264\350\256\241\346\225\260\345\220\227\357\274\237"))
                == QMessageBox::Yes)
        {
            unsigned int count = 0;
            int ret = sane_io_control(cur_dev_.handle(), IO_CTRL_CODE_CLEAR_ROLLER_COUNT, nullptr, &count);

            QString info;
            if(ret == SANE_STATUS_GOOD)
            {
                info = tr("Roller scanned count has been set to 0.");

                // +请重新进入关于界面以获取最新值
                info += QString::fromStdString("\350\257\267\351\207\215\346\226\260\350\277\233\345\205\245\345\205\263\344\272\216\347\225\214\351\235\242\344\273\245\350\216\267\345\217\226\346\234\200\346\226\260\345\200\274");
            }
            else
                info = tr("Roller scanned count reset failed.");

            QMessageBox::information(this, tr("hint"), info);
        }
    }
}
void MainWindow::on_act_about_triggered()
{
    QString company;
    QString appName;
    QString copyRight;
    QString developer;
    QString website;
    QString contact;
    QString afterSelesContact;
    QString address;
    QString navigation;

    SANE_About  *about = nullptr;
    unsigned int len = 0;
    QString title(tr("About %1").arg(company)),
            content(tr("<p>%1</p>"
                       "<p>Version: %2"
                       "<br>CopyRight: &#169; %3</p>"
                       "<p>%4%5%6%7%8%9</p>")
                   .arg(appName).arg("v2.0.9.061").arg(copyRight).arg(developer).arg(website).arg(contact).arg(afterSelesContact).arg(address).arg(navigation));

    QDesktopServices::setUrlHandler(MY_URL_SCHEME, this, "my_url_handler");
    if (sane_io_control(cur_dev_.handle(), IO_CTRL_CODE_ABOUT_INFO, about, &len) == SANE_STATUS_NO_MEM)
    {
        about = (SANE_About*)malloc(len + 128);
        if (about)
        {
            memset(about, 0, len + 128);
            if (sane_io_control(cur_dev_.handle(), IO_CTRL_CODE_ABOUT_INFO, about, &len) == SANE_STATUS_GOOD)
            {
                title = tr("about %1").arg(QString::fromStdString(about->title));
                content = tr("<p>Version: %1</p>").arg(QString::fromStdString(about->version));
                content += tr("<p>CopyRight: &#169; %1</p>").arg(QString::fromStdString(about->copyright));
                for (int i = 0; about->appendix[i].key; ++i)
                {
                    if(about->appendix[i].url)
                        content += tr("<p>%1: <a href='%2'>%3</a>").arg(about->appendix[i].key).arg(about->appendix[i].url).arg(about->appendix[i].content);
                    else
                        content += tr("<p>%1: %2").arg(about->appendix[i].key).arg(about->appendix[i].content);
                    if(m_admin_loggedIn
                            && strcmp(about->appendix[i].key, "\346\273\232\350\275\264\345\274\240\346\225\260") == 0
                            && atoi(about->appendix[i].content) > 0)
                    {
                        char    url[128] = {0};
                        sprintf(url, "&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<a href=%s://clear-roller>\346\270\205\351\231\244</a>", MY_URL_SCHEME);
                        content += QString::fromStdString(url);
                    }
                    content += "</p>";
                }
            }
            free(about);
        }
    }
    QMessageBox::about(this, title, content);
    QDesktopServices::unsetUrlHandler(MY_URL_SCHEME);
}

void MainWindow::on_act_scannerSettings_triggered()
{
    if (!cur_dev_.is_online() || m_isScanning)
    {
        return;
    }

    DEVCFG cfg;
    std::vector<DEVCFG>::iterator it = std::find(dev_schemes_.begin(), dev_schemes_.end(), cur_dev_.name());
    cfg.name = cur_dev_.name();
    if(it != dev_schemes_.end())
    {
        cfg = *it;
        dev_schemes_.erase(it);
    }
    hg_settingdialog dlg(cur_dev_.handle(), this, &cfg);
    dlg.set_config_file(&m_config);
    dlg.exec();
    int changes = dlg.get_changed_items();
    dev_schemes_.insert(dev_schemes_.begin(), cfg);
    if(changes)
    {
        m_config.save_scanner_configs(&cfg);
        ui->menu_device->update(&dev_schemes_);

        QString dev(QString::fromStdString(cfg.name)), scheme("");
        if(cfg.get_current())
            scheme = QString::fromStdString(cfg.get_current()->name);
        else if(cfg.schemes.size())
            scheme = QString::fromStdString(cfg.schemes[0].name);
        ui->menu_device->setOptionChecked(dev, scheme, true);

        setWindowTitle(dev + "(" + scheme + ")");
    }
}

void MainWindow::on_act_acquire_triggered()
{
    if (!cur_dev_.is_online() || m_isScanning)
    {
        return;
    }

    int count = 0;
    m_thumb->getItemCount(&count);
    if (count != 0)
    {
        int result = startScanMessageBox(this);
        if (cancelScan == result)
            return;
    }

    m_singleScan = false;
    m_scanType = 1;
    m_scanInsertPos = -1;

    if (!startSpaceCheck(this))
    {
        m_dialogLog->updateStatus(cur_dev_.is_online() && 0 != m_scanType, m_isScanning);
        return;
    }

    startSaveMessageBox(this);

    SANE_Status ret = sane_start(cur_dev_.handle());
    if (ret != SANE_STATUS_GOOD)
    {
        m_dialogLog->updateStatus(cur_dev_.is_online() && 0 != m_scanType, m_isScanning);
        m_wndStatusBar->setDeviceStatusInfo(tr("start failed"), true);
        m_dialogLog->addLog(tr("start failed"), true);
        HGBase_WriteInfo(HGBASE_INFOTYPE_ERROR, "%s", getStdString(tr("start failed")).c_str());
    }
    else
    {
        m_isScanning = true;
        m_thumb->setAcceptDrops(false);
        m_dialogLog->updateStatus(cur_dev_.is_online() && 0 != m_scanType, m_isScanning);
        updateActionStatus();
    }

    m_dialogLog->show();
}

void MainWindow::on_act_acquireSingle_triggered()
{
    if (!cur_dev_.is_online() || m_isScanning)
    {
        return;
    }

    int count = 0;
    m_thumb->getItemCount(&count);
    if (count != 0)
    {
        int result = startScanMessageBox(this);
        if (cancelScan == result)
            return;
    }

    m_singleScan = true;
    m_scanType = 1;
    m_scanInsertPos = -1;

    if (!startSpaceCheck(this))
    {
        m_dialogLog->updateStatus(cur_dev_.is_online() && 0 != m_scanType, m_isScanning);
        return;
    }

    startSaveMessageBox(this);

    SANE_Status ret = sane_io_control(cur_dev_.handle(), IO_CTRL_CODE_TEST_SINGLE, nullptr, nullptr);
    if (ret != SANE_STATUS_GOOD)
    {
        m_dialogLog->updateStatus(cur_dev_.is_online() && 0 != m_scanType, m_isScanning);
        m_wndStatusBar->setDeviceStatusInfo(tr("start failed"), true);
        m_dialogLog->addLog(tr("start failed"), true);
        HGBase_WriteInfo(HGBASE_INFOTYPE_ERROR, "%s", getStdString(tr("start failed")).c_str());
    }
    else
    {
        m_isScanning = true;
        m_thumb->setAcceptDrops(false);
        m_dialogLog->updateStatus(cur_dev_.is_online() && 0 != m_scanType, m_isScanning);
        updateActionStatus();
    }

    m_dialogLog->show();
}

void MainWindow::on_act_acquireInto_triggered()
{
    if (!cur_dev_.is_online() || m_isScanning)
    {
        return;
    }

    int count = 0;
    m_thumb->getItemCount(&count);
    if (count != 0)
    {
        int result = startScanMessageBox(this);
        if (cancelScan == result)
            return;
    }

    Dialog_AquireInto dlg(this);
    if (dlg.exec())
    {
        m_singleScan = false;
        m_scanType = 2;
        m_aquireIntoSaveParam = dlg.getSaveParam();

        if (m_aquireIntoSaveParam.m_isUseSubfolderByTime)
        {
            QDate date = QDate::currentDate();
            QString newSavePath = m_aquireIntoSaveParam.m_savePath + date.toString("yyyy-MM-dd") + "/";
            m_aquireIntoSaveParam.m_savePath = getStdFileName(newSavePath);
        }

        if (!startSpaceCheck(this))
        {
            m_dialogLog->updateStatus(cur_dev_.is_online() && 0 != m_scanType, m_isScanning);
            return;
        }

        startSaveMessageBox(this);

        SANE_Status ret = sane_start(cur_dev_.handle());
        if (ret != SANE_STATUS_GOOD)
        {
            m_dialogLog->updateStatus(cur_dev_.is_online() && 0 != m_scanType, m_isScanning);
            m_wndStatusBar->setDeviceStatusInfo(tr("start failed"), true);
            m_dialogLog->addLog(tr("start failed"), true);
            HGBase_WriteInfo(HGBASE_INFOTYPE_ERROR, "%s", getStdString(tr("start failed")).c_str());
        }
        else
        {
            m_isScanning = true;
            m_thumb->setAcceptDrops(false);
            m_dialogLog->updateStatus(cur_dev_.is_online() && 0 != m_scanType, m_isScanning);
            updateActionStatus();
        }

        m_dialogLog->show();
    }
}

void MainWindow::on_act_insertFromScanner_triggered()
{
    if (!cur_dev_.is_online() || m_isScanning)
    {
        return;
    }

    Dialog_InsertIndex dlg(this);
    if (dlg.exec())
    {
        m_singleScan = false;
        m_scanType = 1;
        m_scanInsertPos = -1;

        int count = 0;
        m_thumb->getItemCount(&count);
        switch (dlg.selectedLocation())
        {
        case 0:
            m_scanInsertPos = 0;
            break;
        case 1:
            if (-1 != m_currIndex)
                m_scanInsertPos = m_currIndex;
            break;
        case 2:
            if (-1 != m_currIndex)
                m_scanInsertPos = m_currIndex + 1;
            break;
        case 3:
            m_scanInsertPos = count;
            break;
        }

        if (!startSpaceCheck(this))
        {
            m_dialogLog->updateStatus(cur_dev_.is_online() && 0 != m_scanType, m_isScanning);
            return;
        }

        startSaveMessageBox(this);

        SANE_Status ret = sane_start(cur_dev_.handle());
        if (ret != SANE_STATUS_GOOD)
        {
            m_dialogLog->updateStatus(cur_dev_.is_online() && 0 != m_scanType, m_isScanning);
            m_wndStatusBar->setDeviceStatusInfo(tr("start failed"), true);
            m_dialogLog->addLog(tr("start failed"), true);
            HGBase_WriteInfo(HGBASE_INFOTYPE_ERROR, "%s", getStdString(tr("start failed")).c_str());
        }
        else
        {
            m_isScanning = true;
            m_thumb->setAcceptDrops(false);
            m_dialogLog->updateStatus(cur_dev_.is_online() && 0 != m_scanType, m_isScanning);
            updateActionStatus();
        }

        m_dialogLog->show();
    }
}


void MainWindow::on_act_imageEdit_triggered()
{
    HGImage img = nullptr;
    m_view->getImage(&img);
    if (nullptr == img)
    {
        return;
    }

    HGImageInfo info;
    HGBase_GetImageInfo(img, &info);

    QImage::Format fmt = QImage::Format_Invalid;
    if (info.type == HGBASE_IMGTYPE_GRAY)
        fmt = QImage::Format_Grayscale8;
    else if (info.type == HGBASE_IMGTYPE_RGB)
        fmt = QImage::Format_RGB888;
    if (QImage::Format_Invalid == fmt)
    {
        return;
    }

    HGByte *data = nullptr;
    HGBase_GetImageData(img, &data);
    QImage image(data, (int)info.width, (int)info.height, (int)info.widthStep, fmt);
    if (image.isNull())
    {
        return;
    }

    Dialog_ImageEditor dlg(this);
    dlg.setImage(image);
    if (dlg.exec())
    {
        QImage image = dlg.exportImage();
        if (!image.isNull())
        {
            info.width = (HGUInt)image.width();
            info.height = (HGUInt)image.height();
            info.type = 0;
            if (QImage::Format_Grayscale8 == image.format())
                info.type = HGBASE_IMGTYPE_GRAY;
            else if (QImage::Format_RGB888 == image.format())
                info.type = HGBASE_IMGTYPE_RGB;
            info.widthStep = (HGUInt)image.bytesPerLine();
            info.origin = HGBASE_IMGORIGIN_TOP;

            HGImage img = nullptr;
            HGBase_CreateImageWithData((HGByte *)image.bits(), &info, nullptr, &img);
            if (nullptr != img)
            {
                m_view->addImage(img);
                m_modify = true;
                HGBase_DestroyImage(img);
            }
        }
    }
}

bool MainWindow::open_scanner(const QString& name, OPTSCHEME* schm)
{
    bool ret = cur_dev_.open(name.toStdString());
    QString info(tr("open scanner ") + " " + name + " ");
    QString title(tr("app name"));

    if(ret)
    {
        title = name;
        info += tr("success");
        m_wndStatusBar->setDeviceStatusInfo(info, false);
        m_dialogLog->addLog(info, false);
        HGBase_WriteInfo(HGBASE_INFOTYPE_DESC, "%s", getStdString(info).c_str());

        bool apply = false;
        if(schm)
        {
            apply = cur_dev_.apply_setting(schm);
            info = tr("apply setting ") + QString::fromStdString(schm->name) + (apply ? tr(" success") : tr(" failed"));
            ui->menu_device->setOptionChecked(name, QString::fromStdString(schm->name), apply);
            if(apply)
                title += "(" + QString::fromStdString(schm->name) + ")";
        }

        if(!apply)
        {
            DEVCFG  first;
            if(first.schemes.size())
            {
                ui->menu_device->setOptionChecked(name, QString::fromStdString(first.schemes[0].name), true);
                title += "(" + QString::fromStdString(first.schemes[0].name) + ")";
            }
        }
    }
    else
    {
        info += tr("failed");
        m_wndStatusBar->setDeviceStatusInfo(info, true);
        m_dialogLog->addLog(info, true);
        HGBase_WriteInfo(HGBASE_INFOTYPE_ERROR, "%s", getStdString(info).c_str());
    }

    m_dialogLog->updateStatus(cur_dev_.is_online() && 0 != m_scanType, m_isScanning);
    updateActionStatus();
    setWindowTitle(title);
    return ret;
}

void MainWindow::on_scanOptions_changed(const QString &device, const QString &option, bool checked_now)
{
    QString title(tr("app name"));
    if(checked_now)
    {
        OPTSCHEME *schm = nullptr;
        int        ind = config::find_config(device, dev_schemes_);

        if(ind == -1)
        {
            QString info(tr("lost config") + ": " + device);
            m_wndStatusBar->setDeviceStatusInfo(info, true);
            m_dialogLog->addLog(info, true);
            HGBase_WriteInfo(HGBASE_INFOTYPE_ERROR, "%s", getStdString(info).c_str());

            if(cur_dev_.name() != device.toStdString())
                open_scanner(device, nullptr);
            return;
        }

        DEVCFG& cfg = dev_schemes_[ind];
        std::vector<OPTSCHEME>::iterator it = std::find(cfg.schemes.begin(), cfg.schemes.end(), option.toStdString());
        if(it != cfg.schemes.end())
            schm = &(*it);
        if(cur_dev_.name() != device.toStdString())
        {
            if(!open_scanner(device, schm))
                m_dialogLog->show();
            return;
        }

        QString info(tr("apply setting") + " '" + option + "' ");
        bool ok = cur_dev_.apply_setting(schm);   // check result ?
        if(ok)
        {
            info += tr("success");
            cfg.select(option.toStdString().c_str());
        }
        else
        {
            ui->menu_device->setOptionChecked(device, option, false);
            {
                DEVCFG  init;
                if(init.schemes.size())
                {
                    std::string name(init.schemes[0].name);
                    cfg.select(name.c_str());
                    ui->menu_device->setOptionChecked(device, QString::fromStdString(name), true);
                }
            }
            info += tr("failed");
        }

        m_config.save_scanner_configs(&cfg);
        m_wndStatusBar->setDeviceStatusInfo(info, !ok);
        m_dialogLog->addLog(info, !ok);
        HGBase_WriteInfo(!ok ? HGBASE_INFOTYPE_ERROR : HGBASE_INFOTYPE_DESC, "%s", getStdString(info).c_str());
        title = device + "(" + option + ")";
    }
    else
    {
        cur_dev_.close();
    }

    m_dialogLog->updateStatus(cur_dev_.is_online() && 0 != m_scanType, m_isScanning);
    updateActionStatus();
    setWindowTitle(title);
}