src/mainwindow.h

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#pragma once

#include <QByteArray>
#include <QMainWindow>

class QTreeView;
class QListView;
class QLabel;
class QStackedWidget;
class QMenuBar;
class QDockWidget;
class FsDirModel;
class QListWidget;
class QTableWidget;
class QLineEdit;
class QPushButton;
class QCompleter;
class QPoint;
class ImageModel;
class ImageViewWidget;
class PathCompleterModel;
class PreferencesDialog;

class MainWindow : public QMainWindow
{
    Q_OBJECT

public:
    explicit MainWindow(QWidget *parent = nullptr);
    void openPath(const QString &path);

private:
    void setupUi();
    void setupConnections();
    void setupMenuBar();
    void loadPreferences();
    void savePreferences();
    void onPreferencesTriggered();
    void resetLayoutToDefault();
    void navigateToFolder(const QByteArray &path);
    void navigateToFolder(const QString &path);  // convenience: converts via QFile::encodeName
    void selectPreviousFolderIfExists();
    void setFullScreenMode(bool fullScreen);
    void loadVisibleThumbnails();
    void showPreview(const QModelIndex &index);
    void updateExifInfo(const QByteArray &path);
    void enterSingleImageMode(const QModelIndex &index);
    void leaveSingleImageMode();
    void onEditCaption();
    void showImageContextMenu(const QPoint &pos);
    void onPathEntered();
    void updatePathField(const QByteArray &path);
    QList<QByteArray> computeNeighborPaths(const QModelIndex &index) const;
    QByteArray siblingFolder(int delta) const;
    void navigateToPrevFolder();
    void navigateToNextFolder();

    void keyPressEvent(QKeyEvent *event) override;
    bool eventFilter(QObject *obj, QEvent *event) override;
    void closeEvent(QCloseEvent *event) override;

    FsDirModel *m_dirModel;
    ImageModel *m_imageModel;

    QTreeView *m_treeView;
    QListWidget *m_rootList;
    QListView *m_listView;
    QLabel *m_previewLabel;
    QLineEdit *m_pathEdit = nullptr;
    QPushButton *m_goButton = nullptr;
    QPushButton *m_prevFolderButton = nullptr;
    QPushButton *m_nextFolderButton = nullptr;
    PathCompleterModel *m_pathCompleterModel = nullptr;
    QCompleter *m_pathCompleter = nullptr;

    QStackedWidget *m_stack;
    QString m_backgroundColorPreference = "black";
    int m_folderCacheSizePreference = 4;
    QString m_thumbnailCacheSizePreference = "normal";
    QWidget *m_browserPage;
    ImageViewWidget *m_imageView;
    bool m_wasMaximized = false;
    bool m_imageViewWasFullScreen = false;
    QByteArray m_previousFolderPath;
    QMenuBar *m_menuBar = nullptr;
    QDockWidget *m_rootDock = nullptr;
    QDockWidget *m_folderDock = nullptr;
    QDockWidget *m_previewDock = nullptr;
    QDockWidget *m_exifDock = nullptr;
    QTableWidget *m_exifTable = nullptr;
    bool m_rootDockWasVisible = true;
    bool m_folderDockWasVisible = true;
    bool m_previewDockWasVisible = true;
    bool m_exifDockWasVisible = true;
    bool m_lockDockingPreference = false;

    void applyDockLocking(bool lock);
};