code_app/app/scantool/mainwindow.h

#ifndef MAINWINDOW_H
#define MAINWINDOW_H

#include <QMainWindow>
#include <QSystemTrayIcon>
#include <QMenu>
#include <string>
#include <vector>
#include "sane/sane_ex.h"
#include "sane/sane_option_definitions.h"
#include "base/HGImage.h"
#include "base/HGThread.h"
#include "base/HGMsgPump.h"
#include "imgfmt/HGImgFmt.h"
#include "dialog_add.h"

QT_BEGIN_NAMESPACE
namespace Ui { class MainWindow; }
QT_END_NAMESPACE

class MainWindow : public QMainWindow
{
    Q_OBJECT

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

    bool FindScanParam(const std::string &deviceType, unsigned int buttonId, int ignoreIndex);
    void StopScan();

private:
    void LoadCfg();
    void SaveCfg();
    QString GetDesc(const std::vector<DeviceConfig> &deviceConfigs);
    QString GetDesc(const SaveParam &saveParam);
    void StartScan(unsigned int buttonId);
    void AddManualScanParam();
    void SaveImage(HGImage image);
    static int sane_ex_callback(SANE_Handle hdev, int code, void* data, unsigned int* len, void* param);
    static void HGAPI ocrThreadFunc(HGThread thread, HGPointer param);
    static void HGAPI ocrMsgPumpFunc(HGMsgPump msgPump, const HGMsg* msg, HGPointer param);

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

signals:
    void deviceArrive(QString devName);
    void deviceRemove(QString devName);
    void keyPress(unsigned int buttonId);
    void scanWorking();
    void scanInfo(QString info, bool error);
    void scanImage(unsigned int count);
    void scanFinish();

private slots:
    void on_deviceArrive(QString devName);
    void on_deviceRemove(QString devName);
    void on_keyPress(unsigned int buttonId);
    void on_scanWorking();
    void on_scanInfo(QString info, bool error);
    void on_scanImage(unsigned int count);
    void on_scanFinish();
    void on_comboBox_currentIndexChanged(const QString &arg1);
    void on_pushButtonScan_clicked();
    void on_trayActivated(QSystemTrayIcon::ActivationReason reason);
    void on_showMainWindowDlg();
    void on_pushButtonAdd_clicked();
    void on_pushButtonModify_clicked();
    void on_pushButtonRemove_clicked();

private:
    Ui::MainWindow *ui;

    QSystemTrayIcon* m_trayIcon;
    QAction *m_showAction;
    QAction *m_quitAction;
    QMenu *m_trayIconMenu;
    std::vector<ScanParam> m_vScanParams;
    class Dialog_Add *m_dlgAdd;

    class Dialog_ScanInfo *m_dlgScanInfo;
    QString m_devName;
    SANE_Handle m_devHandle;
    bool m_scanning;
    HGUInt m_dpi;

    QString m_scanFileName;
    HGImgFmtWriter m_scanImgFmtWriter;
    SaveParam m_aquireIntoSaveParam;
    bool m_aquireIntoInBlank;
    int m_aquireIntoBatchStartIndex;
    int m_aquireIntoPageIndex;
    int m_aquireIntoMultiPageCount;
    HGMsgPump m_ocrMsgPump;
    HGThread m_ocrThread;
};
#endif // MAINWINDOW_H