1 files changed, 104 insertions, 0 deletions
diff --git a/src/widgets/doc/snippets/include/mainwindow.h b/src/widgets/doc/snippets/include/mainwindow.h
new file mode 100644
index 00000000000..1e9c54a3cf7
--- /dev/null
+++ b/src/widgets/doc/snippets/include/mainwindow.h
@@ -0,0 +1,104 @@
+// 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