code_app/modules/twainui/hg_settingdialog.h

#ifndef HG_SETTING_DIALOG_H
#define HG_SETTING_DIALOG_H

#include <QtWidgets>
#include <QSettings>
#include <algorithm>
#include "cfg/gb_json.h"
#include "device_menu.h"
#include "twain_user/twainui.h"

class hg_settingdialog : public QDialog
{
    Q_OBJECT

    int                     changed_count_;
    bool                    save_;
    bool                    clicked_gamma_;
    bool                    quit_ = false;
    dev_que                 dev_que_;
    gb::scanner_cfg         *cur_cfg_;
    gb::sane_config_schm    *cur_scheme_;

    void refresh_control_value(int op_id);
    void on_select_scheme(bool apply_to_dev = true);
    QString gen_gamma_file_path(void);

    QMenu       *top_menu_;
    QLineEdit   *edit_name_;
    QPushButton *m_pbtn_addNew;
    QPushButton* m_pbtn_Save;
    QPushButton *m_deleteCur;
    QPushButton *m_deleteAll;
    QLabel      *custom_area_lable_;
    QPushButton *btn_cut_area_;
    QPushButton *btn_gamma_;
    QTextEdit   *sketch_;
    QLineEdit *m_lineEdit_name;
    void create_scheme_management_ui(QVBoxLayout* layout);
    QString find_current_scheme_menu(int *scheme_id = nullptr);

    static std::string  property_combox_data_type_;
    enum _cbox_type
    {
        COMBO_VAL_STRING = 0,
        COMBO_VAL_INT,
        COMBO_VAL_FLOAT,
    };

public:
    explicit hg_settingdialog(SANE_Handle handle, const SANEAPI* saneApi, bool showScan, const char* devName,
                              std::function<void(ui_result)> callback, QWidget *parent = nullptr);
    ~hg_settingdialog();

public:
    static hg_settingdialog *GetSettingDialog();
    void initUi();
    void updateOpt();
    void createUI();
    void updateUIStatus();
    QVector<QWidget*> find_control(int opt_num);
    void keyPressEvent(QKeyEvent *e);
    int get_changed_items(void);
    int getCloseButtonCliked();
    gb::sane_config_schm *getCurScheme();
    void clear_callback(void)
    {
        quit_ = true;
        m_callback = std::function<void(ui_result)>();
    }

public:
    enum closeButtonClicked
    {
        closeButtonOk = 0,
        closeButtonCancel,
        closeButtonNormal,
        closeButtonScan,
    };

    int m_closeButton;

private:
    gb::sane_config_schm* m_scheme;

    static hg_settingdialog *hg_setting_ui_;
    SANEAPI m_saneAPI;
    SANE_Handle m_devHandle;
    bool m_showScan;
    std::string m_devName;
    QTranslator m_translator;
    QTranslator m_translator_qt;
    int m_langCode;

private:
    QString m_qstrFileName;
    QSettings *m_configIniWrite;
    QSettings *m_configIniRead;

private:
    QString md5(QString key);
    const void* find_option_description(int id);    // return const SANE_Option_Descriptor* pointer
    const void* find_option_description(const std::string& title, int* id);    // return const SANE_Option_Descriptor* pointer

    virtual void closeEvent(QCloseEvent* e);
    virtual bool eventFilter(QObject *target, QEvent *event) override;
    bool createMsgBoxUi(bool add, std::string &name);
    std::string getCurUiShemeName(std::string name);
    void save_scheme(void);
    void cancel_setting(void);
    std::string getAppVersion();
    void apply_current_scheme(void);
    void setIcon();
    void updateDefaultScheme();
    void processIniFile();
    void setDefault();

private:
    QVector<QPair<QPair<int, QVariant>, QString>> m_list_IdValueTitle;
    QVector<QPair<const void*, QVariant>> m_list_defaultOptions;    // default values of device
    QVector<QPair<QObject*, QObject*>> m_list_sliderSpinbox;
    QVector<QPair<int, const void*>> m_list_getOpt;
    QVector<std::string> m_list_deviceNames;
    QVector<QWidget*> m_list_widgets;

private slots:
    void slot_checkedClicked();
    void slot_sliderClicked(int value);
    void slot_spinBoxClicked(int value);
    void slot_doubleSpinboxClicked(double value);
    void slot_string_list_comboBoxClicked();
    void slot_pushButtonClicked();
    void slot_cutButtonClicked();
    void slot_gammaButtonClicked();
    void slot_word_list_comboBoxClicked(int value);
    void slot_lineEditInput();
    void slot_buttonAboutClicked();
    void slot_buttonScanClicked();
    void slot_buttonOkClicked();
    void slot_buttonCancelClicked();
    void slot_pushButton_scheme_management(void);
    void on_current_scheme_changed(void);
    void restore_2_default_settings(void);

private:
    int m_dpiId;
    int m_dpiValue;
    int m_paperSizeId;
    QString m_paperSizeValue;
    int m_cutLeftId;
    int m_cutTopId;
    int m_cutRightId;
    int m_cutBottomId;
    double m_cutWidth; // 单位是毫米
    double m_cutHeight; // 单位是毫米
    double m_cutLeftValue; // 单位是毫米
    double m_cutTopValue; // 单位是毫米
    double m_cutRightValue; // 单位是毫米
    double m_cutBottomValue; // 单位是毫米

    int m_colorModeId;
    QString m_colorModeValue;
    SANE_Gamma m_gammaData;
    QComboBox       *comb_;
    std::function<void(ui_result)> m_callback;
};

#endif // HG_SETTING_DIALOG_H