code_app/app/scanner/mainwindow.h

#ifndef MAINWINDOW_H
#define MAINWINDOW_H

#include <QMainWindow>
#include <QLineEdit>
#include "HGImgView.h"
#include "HGImgThumb.h"
#include "sane/sane_ex.h"
#include "config.h"
#include "dialog_aquireinto.h"
#include "imgfmt/HGImgFmt.h"
#include "device_menu.h"
#include "sane_device.h"

QT_BEGIN_NAMESPACE
namespace Ui { class MainWindow; }
QT_END_NAMESPACE

class HGLineEdit : public QLineEdit
{
    Q_OBJECT
public:
    HGLineEdit(QWidget* parent)
        : QLineEdit(parent)
    {

    }

protected:
    void focusInEvent(QFocusEvent* e)
    {
        (void)e;
        QString text = this->text();
        QStringList list = text.split("/");
        text = list.first();
        this->setText(text);
        this->selectAll();

        QLineEdit::focusInEvent(e);
    }
};

enum askIfClear
{
    cancelScan = 0,
    clearAndScan,
    notClearAndScan
};

class MainWindow : public QMainWindow
{
    Q_OBJECT

public:
    MainWindow(QWidget *parent = nullptr);
    virtual ~MainWindow() override;

    void exitFullScreen();
    static HGResult saveImage(HGImage image, const HGImgFmtSaveInfo* info, bool ocr, const HGChar *fileName);

private slots:
    void on_act_90Left_triggered();

    void on_act_90Right_triggered();

    void on_act_180_triggered();

    void on_act_fitWindowSize_triggered();

    void on_act_fitWindowWidth_triggered();

    void on_act_realSize_triggered();

    void on_act_zoomIn_triggered();

    void on_act_zoomOut_triggered();

    void on_act_statusBar_triggered(bool checked);

    void on_act_toolBar_triggered(bool checked);

    void on_act_colorInfo_triggered(bool checked);

    void on_act_fullscreen_triggered();

signals:
    void sane_dev_arrive(QString devName, bool opened);
    void sane_dev_remove(QString devName);
    void sane_dev_error(QString errorInfo);
    void new_image(void *img);
    void scan_working(QString workingInfo);
    void scan_finish(QString finishInfo, int err);

private slots:
    void on_itemCountChanged(int count);
    void on_itemSelectingChanged();
    void on_currItemChanged(int index);
    void on_itemDoubleClicked(int index);
    void on_thumbContextMenu(int index);
    void on_viewerScale(double scale);
    void on_viewerMousePos(int x, int y);
    void on_thumbDrop(const QObject *source, const QStringList &fileNames, int pos);
    void on_viewerDrop(const QObject *source, const QStringList &fileNames);
    void on_viewerDblClick();
    void on_act_moveTo_triggered();
    void on_act_thumbGrid_triggered(bool checked);
    void on_dialog_adjust_applyToImage(HGImage img);
    void on_dialog_multirotate_refreshImgFile(const QString &fileName);
    void on_multiPageLineEditFinished();
    void on_clearCache();
    void on_sane_dev_arrive(QString devName, bool opened);
    void on_sane_dev_remove(QString devName);
    void on_sane_dev_error(QString errorInfo);
    void on_new_image(void *img);
    void on_scan_working(QString workingInfo);
    void on_scan_finish(QString finishInfo, int err);
    void on_export_scanned_image(void);
    void on_continueScan();
    void on_stopScan();
    void on_statusInfoDblClick();

    void on_act_thumbnailBar_triggered(bool checked);

    void on_act_previous_triggered();

    void on_act_next_triggered();

    void on_act_first_triggered();

    void on_act_last_triggered();

    void on_act_openPageNum_triggered();

    void on_act_previousPage_triggered();

    void on_act_nextPage_triggered();

    void on_act_firstPage_triggered();

    void on_act_lastPage_triggered();

    void on_act_adjust_triggered();

    void on_act_open_triggered();

    void on_act_insert_triggered();

    void on_act_closeFile_triggered();

    void on_act_closeAll_triggered();

    void on_act_exit_triggered();

    void on_act_save_triggered();

    void on_act_saveAs_triggered();

    void on_act_Export_triggered();

    void on_act_imageInfo_triggered();

    void on_act_multiRotate_triggered();

    void on_act_autoCrop_triggered();

    void on_act_signIn_triggered();

    void on_act_passwordChange_triggered();

    void on_act_signOut_triggered();

    void on_act_log_triggered();

    void on_act_clrCache_triggered();

    void on_act_consume_triggered();

    void on_act_clearRoller_triggered();

    void on_act_help_triggered();

    void on_act_about_triggered();

    void on_act_scannerSettings_triggered();

    void on_act_acquire_triggered();

    void on_act_acquireSingle_triggered();

    void on_act_acquireInto_triggered();

    void on_act_insertFromScanner_triggered();

    void on_act_imageEdit_triggered();

    void on_scanOptions_changed(const QString &device, const QString &option, bool checked_now);

    void on_act_sortPages_triggered();

public slots:
    void my_url_handler(const QUrl& url);

protected:
    virtual void closeEvent(QCloseEvent *e) override;

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

    HGUInt getDpi();
    QString getCacheFileName(HGImage img);
    HGImage createImage();
    int getMultiPageCount();
    void updateStatusBarPixelInfo();
    void updateActionStatus();
    void startSaveMessageBox(QWidget* parent);
    askIfClear startScanMessageBox(QWidget* parent);
    bool startSpaceCheck(QWidget* parent);
    QString passwordEncrypt(const QString& password);
    QString passwordDecrypt(const QString& transcode);
    bool open_scanner(const QString& name, OPTSCHEME* schm);
    bool judgeDiskSpace(QString currentPath);

private:
    Ui::MainWindow *ui;
    QString m_password;
    bool m_admin_loggedIn;
    HGImgView *m_view;
    HGImgThumb *m_thumb;
    QMenu *m_thumbMenu;
    QAction *m_moveToAction;

    config              m_config;
    sane_dev            cur_dev_;
    std::vector<DEVCFG> dev_schemes_;

    HGUInt m_dpi;
    QString m_currFilePath;
    int m_currIndex;
    int m_multiPageCount;
    int m_multiIndex;
    bool m_modify; // m_view上面的图像是否改变
    bool m_singleScan; // 是否单张扫描
    int m_scanType; // 1-扫描到缓存目录，2-扫描到本地目录
    int m_scanInsertPos; // 扫描插入位置,-1表示插入到最后
    QString m_scanFileName;
    HGImgFmtWriter m_scanImgFmtWriter;
    AquireIntoSaveParam m_aquireIntoSaveParam;
    bool m_aquireIntoInBlank;
    int m_aquireIntoBatchStartIndex;
    int m_aquireIntoPageIndex;
    int m_aquireIntoMultiPageCount;
    bool m_isScanning;

    class HGLineEdit* m_multiPageLineEdit;
    class Widget_StatusBar *m_wndStatusBar;
    class dialog_log *m_dialogLog;
    class Dialog_FullScreen *m_dlgFullScreen;
};
#endif // MAINWINDOW_H