ImageBrowser.h

#ifndef IMAGEBROWSER_H
#define IMAGEBROWSER_H
 
#include <QWidget>
#include <QMap>
#include <QString>
#include <QStringList>
#include <QImage>
#include <memory>
 
class ImageCore;
class ImageInfoWindow;
 
namespace Ui {
class ImageBrowser;
}
 
class ImageBrowser : public QWidget {
    Q_OBJECT
 
public:
    enum class ErrorType {
        IMAGEREQ_OVERFLOW, 
        IMAGEREQ_UNDERFLOW, 
        IMAGEREQ_LOST, 
        IMAGEREQ_EMPTY 
    };
 
    explicit ImageBrowser(QWidget* parent = nullptr);
 
    void enDirSupports(const QString& where);
 
    void enDirSupports(const QString& where, const QStringList& prefixs);
 
    void remove_from_name(const QStringList& names);
 
    bool is_fileview_visible() const;
 
    void show_from_name(const QString& name);
 
    void show_from_index(const int index);
 
    QStringList from_name(const QStringList& names);
 
    ~ImageBrowser();
 
public slots:
    void oppose_fileview_visible();
 
    void show_next();
 
    void show_start();
 
    void show_end();
 
    void show_prev();
 
    void show_infoWindow();
 
    void remove_select();
 
    void clear();
 
signals:
    void errorOccur(const ImageBrowser::ErrorType e);
 
private:
    Ui::ImageBrowser* ui;
 
    std::unique_ptr<ImageCore> core;
 
    QMap<QString, QString> mappings;
 
    void init_memory();
 
    void init_connections();
 
    void enmappings(const QStringList& paths);
 
    void demappings(const QStringList& removeWhat);
 
    void process_set_images(const QString& images);
 
    void reset_listwidgets();
 
    QImage current_image;
 
    int current_index { -1 };
 
    ImageInfoWindow* infoWindow;
};
 
#endif // IMAGEBROWSER_H