mainwindow.h

#ifndef MAINWINDOW_H
#define MAINWINDOW_H

#include "model/project.h"

#include "ui/widgets/projectbrowser.h"
#include "sheetview.h"
#include "ui/vim.h"

#include <QAction>
#include <QMainWindow>
#include <QKeyEvent>
#include <QList>

QT_BEGIN_NAMESPACE
namespace Ui { class MainWindow; }
QT_END_NAMESPACE

class MainWindow : public QMainWindow
{
    Q_OBJECT
public:
    // CONSTRUCTORS
    explicit MainWindow(QWidget *parent = nullptr);
    ~MainWindow();
    static MainWindow *getInstance();

    // GETTERS
    QTabWidget *getTabWidget() const;
    int getTabId() const;
    SheetView *getTab(int index = -1);
    SheetScene *scene();
    Sheet *getSheet(int index = -1);
    bool isOpen(Sheet *sheet);

    // SETTERS
    void setTabId(int id);
    void setVimStatus(const QString &status);
    void setActiveProject(Project *project);

    // USER ACTIONS
    void nextTab(Vim::N n = 1);
    void prevTab(Vim::N n = 1);
    void appendSheet(Vim::N n);
    void newSheetBefore(Vim::N n = 1);
    void newSheetAfter(Vim::N n = 1);
    void closeTab(Vim::N = 0);
    void sheetSettings(Vim::N = 0);
    void newProject();
    void open();
    void save();
    void saveAs();
    void projectSettings();
    void preferences();
    void print();
    void help();
    void takeScreenshot();
    void toggleDeveloperHints();
    void openProjectsFromFiles(const QStringList &filenames, int active = -1);
    int openSheet(Sheet *sheet, int index = -1);
    void closeSheet(Sheet *sheet);
    void closeProject(Project *project);
    void closeSheetsForProject(Project *project);

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

    // OVERRIDE QMainWindow
    QMenu *createPopupMenu() override;

private slots:
    // SLOTS
    void onTabCloseRequested(int index);

private:
    // HELPERS
    bool processVimAction(const Vim::Action &action);
    void setupActions();
    void setupIcons();
    QMenu *getPopupMenu();
    void clearTabs();
    void showMenubarPermanently(bool show);
    void restoreSettings();
    void saveSettings();

private:
    // ATTRIBUTES
    Ui::MainWindow *ui;
    ProjectManager *projects;
    bool menuBarShownPermanently = true;
    QMenu *popupMenu{};

    static MainWindow *instance;
};
#endif // MAINWINDOW_H