mainwindow.h

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// Copyright (C) 2025 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
 
#ifndef MAINWINDOW_H
#define MAINWINDOW_H
 
#include <QMainWindow>
 
QT_BEGIN_NAMESPACE
 
class QWidget;
class QAction;
 
class QTableWidget;
class QListWidget;
class QTreeWidget;
class QDockWidget;
 
class QTableView;
class QListView;
 
class QTextBrowser;
 
class QListWidgetItem;
class QTreeWidgetItem;
 
class QAbstractItemModel;
class QItemSelectionModel;
 
class MainWindow : public QMainWindow
{
    Q_OBJECT
 
public:
    MainWindow();
    MainWindow(QWidget *parent = nullptr);
 
    void setupContents();
    void setupDockWindow();
    void setupMenus();
    void setupTableItems();
    void setupTreeItems();
 
    void updateText(QListWidgetItem *item);
    void updateMenus(QTreeWidgetItem *current);
    void updateSortItems();
    void updateSelection(const QItemSelection &selected,
                         const QItemSelection &deselected);
 
    void createMenus();
    void createToolBars();
    void createDockWidgets();
 
    void sortAscending();
    void sortDescending();
 
    void insertItem();
    void removeItem();
 
    void changeWidth();
    void changeHeight();
    void changeCurrent(const QModelIndex &current,
                       const QModelIndex &previous);
 
    void findItems();
    void averageItems();
    void sumItems();
 
private:
    void setupListItems();
 
    void fillSelection();
    void clearSelection();
    void selectAll();
 
    QTextBrowser *textBrowser;
    QListWidget *headingList;
    QDockWidget *contentsWindow;
 
    QAction *insertAction;
    QAction *removeAction;
    QAction *ascendingAction;
    QAction *descendingAction;
    QAction *autoSortAction;
    QAction *findItemsAction;
 
    //! [0]
    QTableWidget *tableWidget;
    //! [0]
 
    QTreeWidget *treeWidget;
    QListWidget *listWidget;
 
    QAbstractItemModel *model;
    QItemSelectionModel *selectionModel;
 
    QTableView *table;
    QListView *listView;
 
};
 
QT_END_NAMESPACE
 
#endif