6.5.3 clean

tests/manual/examples/widgets/application/CMakeLists.txt

@@ -0,0 +1,54 @@
+# Copyright (C) 2022 The Qt Company Ltd.
+# SPDX-License-Identifier: BSD-3-Clause
+
+cmake_minimum_required(VERSION 3.16)
+project(application LANGUAGES CXX)
+
+if(NOT DEFINED INSTALL_EXAMPLESDIR)
+    set(INSTALL_EXAMPLESDIR "examples")
+endif()
+
+set(INSTALL_EXAMPLEDIR "${INSTALL_EXAMPLESDIR}/widgets/mainwindows/application")
+
+find_package(Qt6 REQUIRED COMPONENTS Core Gui Widgets)
+
+qt_standard_project_setup()
+
+qt_add_executable(application
+    main.cpp
+    mainwindow.cpp mainwindow.h
+)
+
+set_target_properties(application PROPERTIES
+    WIN32_EXECUTABLE TRUE
+    MACOSX_BUNDLE TRUE
+)
+
+target_link_libraries(application PRIVATE
+    Qt6::Core
+    Qt6::Gui
+    Qt6::Widgets
+)
+
+# Resources:
+set(application_resource_files
+    "images/copy.png"
+    "images/cut.png"
+    "images/new.png"
+    "images/open.png"
+    "images/paste.png"
+    "images/save.png"
+)
+
+qt_add_resources(application "application"
+    PREFIX
+        "/"
+    FILES
+        ${application_resource_files}
+)
+
+install(TARGETS application
+    RUNTIME DESTINATION "${INSTALL_EXAMPLEDIR}"
+    BUNDLE DESTINATION "${INSTALL_EXAMPLEDIR}"
+    LIBRARY DESTINATION "${INSTALL_EXAMPLEDIR}"
+)

tests/manual/examples/widgets/application/application.pro

@@ -0,0 +1,13 @@
+QT += widgets
+requires(qtConfig(filedialog))
+
+HEADERS       = mainwindow.h
+SOURCES       = main.cpp \
+                mainwindow.cpp
+#! [0]
+RESOURCES     = application.qrc
+#! [0]
+
+# install
+target.path = $$[QT_INSTALL_EXAMPLES]/widgets/mainwindows/application
+INSTALLS += target

tests/manual/examples/widgets/application/application.qrc

@@ -0,0 +1,10 @@
+<!DOCTYPE RCC><RCC version="1.0">
+<qresource>
+    <file>images/copy.png</file>
+    <file>images/cut.png</file>
+    <file>images/new.png</file>
+    <file>images/open.png</file>
+    <file>images/paste.png</file>
+    <file>images/save.png</file>
+</qresource>
+</RCC>

tests/manual/examples/widgets/application/main.cpp

@@ -0,0 +1,28 @@
+// Copyright (C) 2016 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
+
+#include <QApplication>
+#include <QCommandLineParser>
+#include <QCommandLineOption>
+
+#include "mainwindow.h"
+
+int main(int argc, char *argv[])
+{
+    QApplication app(argc, argv);
+    QCoreApplication::setOrganizationName("QtProject");
+    QCoreApplication::setApplicationName("Application Example");
+    QCoreApplication::setApplicationVersion(QT_VERSION_STR);
+    QCommandLineParser parser;
+    parser.setApplicationDescription(QCoreApplication::applicationName());
+    parser.addHelpOption();
+    parser.addVersionOption();
+    parser.addPositionalArgument("file", "The file to open.");
+    parser.process(app);
+
+    MainWindow mainWin;
+    if (!parser.positionalArguments().isEmpty())
+        mainWin.loadFile(parser.positionalArguments().first());
+    mainWin.show();
+    return app.exec();
+}

tests/manual/examples/widgets/application/mainwindow.cpp

@@ -0,0 +1,306 @@
+// Copyright (C) 2016 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
+
+#include <QtWidgets>
+
+#include "mainwindow.h"
+
+MainWindow::MainWindow()
+    : textEdit(new QPlainTextEdit)
+{
+    setCentralWidget(textEdit);
+
+    createActions();
+    createStatusBar();
+
+    readSettings();
+
+    connect(textEdit->document(), &QTextDocument::contentsChanged,
+            this, &MainWindow::documentWasModified);
+
+#ifndef QT_NO_SESSIONMANAGER
+    connect(qApp, &QGuiApplication::commitDataRequest,
+            this, &MainWindow::commitData);
+#endif
+
+    setCurrentFile(QString());
+    setUnifiedTitleAndToolBarOnMac(true);
+}
+
+void MainWindow::closeEvent(QCloseEvent *event)
+{
+    if (maybeSave()) {
+        writeSettings();
+        event->accept();
+    } else {
+        event->ignore();
+    }
+}
+
+void MainWindow::newFile()
+{
+    if (maybeSave()) {
+        textEdit->clear();
+        setCurrentFile(QString());
+    }
+}
+
+void MainWindow::open()
+{
+    if (maybeSave()) {
+        QString fileName = QFileDialog::getOpenFileName(this);
+        if (!fileName.isEmpty())
+            loadFile(fileName);
+    }
+}
+
+bool MainWindow::save()
+{
+    if (curFile.isEmpty()) {
+        return saveAs();
+    } else {
+        return saveFile(curFile);
+    }
+}
+
+bool MainWindow::saveAs()
+{
+    QFileDialog dialog(this);
+    dialog.setWindowModality(Qt::WindowModal);
+    dialog.setAcceptMode(QFileDialog::AcceptSave);
+    if (dialog.exec() != QDialog::Accepted)
+        return false;
+    return saveFile(dialog.selectedFiles().first());
+}
+
+void MainWindow::about()
+{
+   QMessageBox::about(this, tr("About Application"),
+            tr("The <b>Application</b> example demonstrates how to "
+               "write modern GUI applications using Qt, with a menu bar, "
+               "toolbars, and a status bar."));
+}
+
+void MainWindow::documentWasModified()
+{
+    setWindowModified(textEdit->document()->isModified());
+}
+
+void MainWindow::createActions()
+{
+
+    QMenu *fileMenu = menuBar()->addMenu(tr("&File"));
+    QToolBar *fileToolBar = addToolBar(tr("File"));
+    const QIcon newIcon = QIcon::fromTheme("document-new", QIcon(":/images/new.png"));
+    QAction *newAct = new QAction(newIcon, tr("&New"), this);
+    newAct->setShortcuts(QKeySequence::New);
+    newAct->setStatusTip(tr("Create a new file"));
+    connect(newAct, &QAction::triggered, this, &MainWindow::newFile);
+    fileMenu->addAction(newAct);
+    fileToolBar->addAction(newAct);
+
+    const QIcon openIcon = QIcon::fromTheme("document-open", QIcon(":/images/open.png"));
+    QAction *openAct = new QAction(openIcon, tr("&Open..."), this);
+    openAct->setShortcuts(QKeySequence::Open);
+    openAct->setStatusTip(tr("Open an existing file"));
+    connect(openAct, &QAction::triggered, this, &MainWindow::open);
+    fileMenu->addAction(openAct);
+    fileToolBar->addAction(openAct);
+
+    const QIcon saveIcon = QIcon::fromTheme("document-save", QIcon(":/images/save.png"));
+    QAction *saveAct = new QAction(saveIcon, tr("&Save"), this);
+    saveAct->setShortcuts(QKeySequence::Save);
+    saveAct->setStatusTip(tr("Save the document to disk"));
+    connect(saveAct, &QAction::triggered, this, &MainWindow::save);
+    fileMenu->addAction(saveAct);
+    fileToolBar->addAction(saveAct);
+
+    const QIcon saveAsIcon = QIcon::fromTheme("document-save-as");
+    QAction *saveAsAct = fileMenu->addAction(saveAsIcon, tr("Save &As..."), this, &MainWindow::saveAs);
+    saveAsAct->setShortcuts(QKeySequence::SaveAs);
+    saveAsAct->setStatusTip(tr("Save the document under a new name"));
+
+    fileMenu->addSeparator();
+
+    const QIcon exitIcon = QIcon::fromTheme("application-exit");
+    QAction *exitAct = fileMenu->addAction(exitIcon, tr("E&xit"), this, &QWidget::close);
+    exitAct->setShortcuts(QKeySequence::Quit);
+    exitAct->setStatusTip(tr("Exit the application"));
+
+    QMenu *editMenu = menuBar()->addMenu(tr("&Edit"));
+    QToolBar *editToolBar = addToolBar(tr("Edit"));
+
+#ifndef QT_NO_CLIPBOARD
+    const QIcon cutIcon = QIcon::fromTheme("edit-cut", QIcon(":/images/cut.png"));
+    QAction *cutAct = new QAction(cutIcon, tr("Cu&t"), this);
+    cutAct->setShortcuts(QKeySequence::Cut);
+    cutAct->setStatusTip(tr("Cut the current selection's contents to the "
+                            "clipboard"));
+    connect(cutAct, &QAction::triggered, textEdit, &QPlainTextEdit::cut);
+    editMenu->addAction(cutAct);
+    editToolBar->addAction(cutAct);
+
+    const QIcon copyIcon = QIcon::fromTheme("edit-copy", QIcon(":/images/copy.png"));
+    QAction *copyAct = new QAction(copyIcon, tr("&Copy"), this);
+    copyAct->setShortcuts(QKeySequence::Copy);
+    copyAct->setStatusTip(tr("Copy the current selection's contents to the "
+                             "clipboard"));
+    connect(copyAct, &QAction::triggered, textEdit, &QPlainTextEdit::copy);
+    editMenu->addAction(copyAct);
+    editToolBar->addAction(copyAct);
+
+    const QIcon pasteIcon = QIcon::fromTheme("edit-paste", QIcon(":/images/paste.png"));
+    QAction *pasteAct = new QAction(pasteIcon, tr("&Paste"), this);
+    pasteAct->setShortcuts(QKeySequence::Paste);
+    pasteAct->setStatusTip(tr("Paste the clipboard's contents into the current "
+                              "selection"));
+    connect(pasteAct, &QAction::triggered, textEdit, &QPlainTextEdit::paste);
+    editMenu->addAction(pasteAct);
+    editToolBar->addAction(pasteAct);
+
+    menuBar()->addSeparator();
+
+#endif // !QT_NO_CLIPBOARD
+
+    QMenu *helpMenu = menuBar()->addMenu(tr("&Help"));
+    QAction *aboutAct = helpMenu->addAction(tr("&About"), this, &MainWindow::about);
+    aboutAct->setStatusTip(tr("Show the application's About box"));
+
+    QAction *aboutQtAct = helpMenu->addAction(tr("About &Qt"), qApp, &QApplication::aboutQt);
+    aboutQtAct->setStatusTip(tr("Show the Qt library's About box"));
+
+#ifndef QT_NO_CLIPBOARD
+    cutAct->setEnabled(false);
+    copyAct->setEnabled(false);
+    connect(textEdit, &QPlainTextEdit::copyAvailable, cutAct, &QAction::setEnabled);
+    connect(textEdit, &QPlainTextEdit::copyAvailable, copyAct, &QAction::setEnabled);
+#endif // !QT_NO_CLIPBOARD
+}
+
+void MainWindow::createStatusBar()
+{
+    statusBar()->showMessage(tr("Ready"));
+}
+
+void MainWindow::readSettings()
+{
+    QSettings settings(QCoreApplication::organizationName(), QCoreApplication::applicationName());
+    const QByteArray geometry = settings.value("geometry", QByteArray()).toByteArray();
+    if (geometry.isEmpty()) {
+        const QRect availableGeometry = screen()->availableGeometry();
+        resize(availableGeometry.width() / 3, availableGeometry.height() / 2);
+        move((availableGeometry.width() - width()) / 2,
+             (availableGeometry.height() - height()) / 2);
+    } else {
+        restoreGeometry(geometry);
+    }
+}
+
+void MainWindow::writeSettings()
+{
+    QSettings settings(QCoreApplication::organizationName(), QCoreApplication::applicationName());
+    settings.setValue("geometry", saveGeometry());
+}
+
+bool MainWindow::maybeSave()
+{
+    if (!textEdit->document()->isModified())
+        return true;
+    const QMessageBox::StandardButton ret
+        = QMessageBox::warning(this, tr("Application"),
+                               tr("The document has been modified.\n"
+                                  "Do you want to save your changes?"),
+                               QMessageBox::Save | QMessageBox::Discard | QMessageBox::Cancel);
+    switch (ret) {
+    case QMessageBox::Save:
+        return save();
+    case QMessageBox::Cancel:
+        return false;
+    default:
+        break;
+    }
+    return true;
+}
+
+void MainWindow::loadFile(const QString &fileName)
+{
+    QFile file(fileName);
+    if (!file.open(QFile::ReadOnly | QFile::Text)) {
+        QMessageBox::warning(this, tr("Application"),
+                             tr("Cannot read file %1:\n%2.")
+                             .arg(QDir::toNativeSeparators(fileName), file.errorString()));
+        return;
+    }
+
+    QTextStream in(&file);
+#ifndef QT_NO_CURSOR
+    QGuiApplication::setOverrideCursor(Qt::WaitCursor);
+#endif
+    textEdit->setPlainText(in.readAll());
+#ifndef QT_NO_CURSOR
+    QGuiApplication::restoreOverrideCursor();
+#endif
+
+    setCurrentFile(fileName);
+    statusBar()->showMessage(tr("File loaded"), 2000);
+}
+
+bool MainWindow::saveFile(const QString &fileName)
+{
+    QString errorMessage;
+
+    QGuiApplication::setOverrideCursor(Qt::WaitCursor);
+    QSaveFile file(fileName);
+    if (file.open(QFile::WriteOnly | QFile::Text)) {
+        QTextStream out(&file);
+        out << textEdit->toPlainText();
+        if (!file.commit()) {
+            errorMessage = tr("Cannot write file %1:\n%2.")
+                           .arg(QDir::toNativeSeparators(fileName), file.errorString());
+        }
+    } else {
+        errorMessage = tr("Cannot open file %1 for writing:\n%2.")
+                       .arg(QDir::toNativeSeparators(fileName), file.errorString());
+    }
+    QGuiApplication::restoreOverrideCursor();
+
+    if (!errorMessage.isEmpty()) {
+        QMessageBox::warning(this, tr("Application"), errorMessage);
+        return false;
+    }
+
+    setCurrentFile(fileName);
+    statusBar()->showMessage(tr("File saved"), 2000);
+    return true;
+}
+
+void MainWindow::setCurrentFile(const QString &fileName)
+{
+    curFile = fileName;
+    textEdit->document()->setModified(false);
+    setWindowModified(false);
+
+    QString shownName = curFile;
+    if (curFile.isEmpty())
+        shownName = "untitled.txt";
+    setWindowFilePath(shownName);
+}
+
+QString MainWindow::strippedName(const QString &fullFileName)
+{
+    return QFileInfo(fullFileName).fileName();
+}
+
+#ifndef QT_NO_SESSIONMANAGER
+void MainWindow::commitData(QSessionManager &manager)
+{
+    if (manager.allowsInteraction()) {
+        if (!maybeSave())
+            manager.cancel();
+    } else {
+        // Non-interactive: save without asking
+        if (textEdit->document()->isModified())
+            save();
+    }
+}
+#endif

tests/manual/examples/widgets/application/mainwindow.h

@@ -0,0 +1,53 @@
+// Copyright (C) 2016 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 QAction;
+class QMenu;
+class QPlainTextEdit;
+class QSessionManager;
+QT_END_NAMESPACE
+
+class MainWindow : public QMainWindow
+{
+    Q_OBJECT
+
+public:
+    MainWindow();
+
+    void loadFile(const QString &fileName);
+
+protected:
+    void closeEvent(QCloseEvent *event) override;
+
+private slots:
+    void newFile();
+    void open();
+    bool save();
+    bool saveAs();
+    void about();
+    void documentWasModified();
+#ifndef QT_NO_SESSIONMANAGER
+    void commitData(QSessionManager &);
+#endif
+
+private:
+    void createActions();
+    void createStatusBar();
+    void readSettings();
+    void writeSettings();
+    bool maybeSave();
+    bool saveFile(const QString &fileName);
+    void setCurrentFile(const QString &fileName);
+    QString strippedName(const QString &fullFileName);
+
+    QPlainTextEdit *textEdit;
+    QString curFile;
+};
+
+#endif

tests/manual/examples/widgets/dialogs/classwizard/CMakeLists.txt

@@ -0,0 +1,55 @@
+# Copyright (C) 2022 The Qt Company Ltd.
+# SPDX-License-Identifier: BSD-3-Clause
+
+cmake_minimum_required(VERSION 3.16)
+project(classwizard LANGUAGES CXX)
+
+if(NOT DEFINED INSTALL_EXAMPLESDIR)
+    set(INSTALL_EXAMPLESDIR "examples")
+endif()
+
+set(INSTALL_EXAMPLEDIR "${INSTALL_EXAMPLESDIR}/widgets/dialogs/classwizard")
+
+find_package(Qt6 REQUIRED COMPONENTS Core Gui Widgets)
+
+qt_standard_project_setup()
+
+qt_add_executable(classwizard
+    classwizard.cpp classwizard.h
+    main.cpp
+)
+
+set_target_properties(classwizard PROPERTIES
+    WIN32_EXECUTABLE TRUE
+    MACOSX_BUNDLE TRUE
+)
+
+target_link_libraries(classwizard PRIVATE
+    Qt6::Core
+    Qt6::Gui
+    Qt6::Widgets
+)
+
+# Resources:
+set(classwizard_resource_files
+    "images/background.png"
+    "images/banner.png"
+    "images/logo1.png"
+    "images/logo2.png"
+    "images/logo3.png"
+    "images/watermark1.png"
+    "images/watermark2.png"
+)
+
+qt_add_resources(classwizard "classwizard"
+    PREFIX
+        "/"
+    FILES
+        ${classwizard_resource_files}
+)
+
+install(TARGETS classwizard
+    RUNTIME DESTINATION "${INSTALL_EXAMPLEDIR}"
+    BUNDLE DESTINATION "${INSTALL_EXAMPLEDIR}"
+    LIBRARY DESTINATION "${INSTALL_EXAMPLEDIR}"
+)

tests/manual/examples/widgets/dialogs/classwizard/classwizard.cpp

@@ -0,0 +1,394 @@
+// Copyright (C) 2016 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
+
+#include <QtWidgets>
+
+#include "classwizard.h"
+
+//! [0] //! [1]
+ClassWizard::ClassWizard(QWidget *parent)
+    : QWizard(parent)
+{
+    addPage(new IntroPage);
+    addPage(new ClassInfoPage);
+    addPage(new CodeStylePage);
+    addPage(new OutputFilesPage);
+    addPage(new ConclusionPage);
+//! [0]
+
+    setPixmap(QWizard::BannerPixmap, QPixmap(":/images/banner.png"));
+    setPixmap(QWizard::BackgroundPixmap, QPixmap(":/images/background.png"));
+
+    setWindowTitle(tr("Class Wizard"));
+//! [2]
+}
+//! [1] //! [2]
+
+//! [3]
+void ClassWizard::accept()
+//! [3] //! [4]
+{
+    QByteArray className = field("className").toByteArray();
+    QByteArray baseClass = field("baseClass").toByteArray();
+    QByteArray macroName = field("macroName").toByteArray();
+    QByteArray baseInclude = field("baseInclude").toByteArray();
+
+    QString outputDir = field("outputDir").toString();
+    QString header = field("header").toString();
+    QString implementation = field("implementation").toString();
+//! [4]
+
+    QByteArray block;
+
+    if (field("comment").toBool()) {
+        block += "/*\n";
+        block += "    " + header.toLatin1() + '\n';
+        block += "*/\n";
+        block += '\n';
+    }
+    if (field("protect").toBool()) {
+        block += "#ifndef " + macroName + '\n';
+        block += "#define " + macroName + '\n';
+        block += '\n';
+    }
+    if (field("includeBase").toBool()) {
+        block += "#include " + baseInclude + '\n';
+        block += '\n';
+    }
+
+    block += "class " + className;
+    if (!baseClass.isEmpty())
+        block += " : public " + baseClass;
+    block += '\n';
+    block += "{\n";
+
+    /* qmake ignore Q_OBJECT */
+
+    if (field("qobjectMacro").toBool()) {
+        block += "    Q_OBJECT\n";
+        block += '\n';
+    }
+    block += "public:\n";
+
+    if (field("qobjectCtor").toBool()) {
+        block += "    " + className + "(QObject *parent = nullptr);\n";
+    } else if (field("qwidgetCtor").toBool()) {
+        block += "    " + className + "(QWidget *parent = nullptr);\n";
+    } else if (field("defaultCtor").toBool()) {
+        block += "    " + className + "();\n";
+        if (field("copyCtor").toBool()) {
+            block += "    " + className + "(const " + className + " &other);\n";
+            block += '\n';
+            block += "    " + className + " &operator=" + "(const " + className
+                     + " &other);\n";
+        }
+    }
+    block += "};\n";
+
+    if (field("protect").toBool()) {
+        block += '\n';
+        block += "#endif\n";
+    }
+
+    QFile headerFile(outputDir + '/' + header);
+    if (!headerFile.open(QFile::WriteOnly | QFile::Text)) {
+        QMessageBox::warning(nullptr, QObject::tr("Simple Wizard"),
+                             QObject::tr("Cannot write file %1:\n%2")
+                             .arg(headerFile.fileName())
+                             .arg(headerFile.errorString()));
+        return;
+    }
+    headerFile.write(block);
+
+    block.clear();
+
+    if (field("comment").toBool()) {
+        block += "/*\n";
+        block += "    " + implementation.toLatin1() + '\n';
+        block += "*/\n";
+        block += '\n';
+    }
+    block += "#include \"" + header.toLatin1() + "\"\n";
+    block += '\n';
+
+    if (field("qobjectCtor").toBool()) {
+        block += className + "::" + className + "(QObject *parent)\n";
+        block += "    : " + baseClass + "(parent)\n";
+        block += "{\n";
+        block += "}\n";
+    } else if (field("qwidgetCtor").toBool()) {
+        block += className + "::" + className + "(QWidget *parent)\n";
+        block += "    : " + baseClass + "(parent)\n";
+        block += "{\n";
+        block += "}\n";
+    } else if (field("defaultCtor").toBool()) {
+        block += className + "::" + className + "()\n";
+        block += "{\n";
+        block += "    // missing code\n";
+        block += "}\n";
+
+        if (field("copyCtor").toBool()) {
+            block += "\n";
+            block += className + "::" + className + "(const " + className
+                     + " &other)\n";
+            block += "{\n";
+            block += "    *this = other;\n";
+            block += "}\n";
+            block += '\n';
+            block += className + " &" + className + "::operator=(const "
+                     + className + " &other)\n";
+            block += "{\n";
+            if (!baseClass.isEmpty())
+                block += "    " + baseClass + "::operator=(other);\n";
+            block += "    // missing code\n";
+            block += "    return *this;\n";
+            block += "}\n";
+        }
+    }
+
+    QFile implementationFile(outputDir + '/' + implementation);
+    if (!implementationFile.open(QFile::WriteOnly | QFile::Text)) {
+        QMessageBox::warning(nullptr, QObject::tr("Simple Wizard"),
+                             QObject::tr("Cannot write file %1:\n%2")
+                             .arg(implementationFile.fileName())
+                             .arg(implementationFile.errorString()));
+        return;
+    }
+    implementationFile.write(block);
+
+//! [5]
+    QDialog::accept();
+//! [5] //! [6]
+}
+//! [6]
+
+//! [7]
+IntroPage::IntroPage(QWidget *parent)
+    : QWizardPage(parent)
+{
+    setTitle(tr("Introduction"));
+    setPixmap(QWizard::WatermarkPixmap, QPixmap(":/images/watermark1.png"));
+
+    label = new QLabel(tr("This wizard will generate a skeleton C++ class "
+                          "definition, including a few functions. You simply "
+                          "need to specify the class name and set a few "
+                          "options to produce a header file and an "
+                          "implementation file for your new C++ class."));
+    label->setWordWrap(true);
+
+    QVBoxLayout *layout = new QVBoxLayout;
+    layout->addWidget(label);
+    setLayout(layout);
+}
+//! [7]
+
+//! [8] //! [9]
+ClassInfoPage::ClassInfoPage(QWidget *parent)
+    : QWizardPage(parent)
+{
+//! [8]
+    setTitle(tr("Class Information"));
+    setSubTitle(tr("Specify basic information about the class for which you "
+                   "want to generate skeleton source code files."));
+    setPixmap(QWizard::LogoPixmap, QPixmap(":/images/logo1.png"));
+
+//! [10]
+    classNameLabel = new QLabel(tr("&Class name:"));
+    classNameLineEdit = new QLineEdit;
+    classNameLabel->setBuddy(classNameLineEdit);
+
+    baseClassLabel = new QLabel(tr("B&ase class:"));
+    baseClassLineEdit = new QLineEdit;
+    baseClassLabel->setBuddy(baseClassLineEdit);
+
+    qobjectMacroCheckBox = new QCheckBox(tr("Generate Q_OBJECT &macro"));
+
+//! [10]
+    groupBox = new QGroupBox(tr("C&onstructor"));
+//! [9]
+
+    qobjectCtorRadioButton = new QRadioButton(tr("&QObject-style constructor"));
+    qwidgetCtorRadioButton = new QRadioButton(tr("Q&Widget-style constructor"));
+    defaultCtorRadioButton = new QRadioButton(tr("&Default constructor"));
+    copyCtorCheckBox = new QCheckBox(tr("&Generate copy constructor and "
+                                        "operator="));
+
+    defaultCtorRadioButton->setChecked(true);
+
+    connect(defaultCtorRadioButton, &QAbstractButton::toggled,
+            copyCtorCheckBox, &QWidget::setEnabled);
+
+//! [11] //! [12]
+    registerField("className*", classNameLineEdit);
+    registerField("baseClass", baseClassLineEdit);
+    registerField("qobjectMacro", qobjectMacroCheckBox);
+//! [11]
+    registerField("qobjectCtor", qobjectCtorRadioButton);
+    registerField("qwidgetCtor", qwidgetCtorRadioButton);
+    registerField("defaultCtor", defaultCtorRadioButton);
+    registerField("copyCtor", copyCtorCheckBox);
+
+    QVBoxLayout *groupBoxLayout = new QVBoxLayout;
+//! [12]
+    groupBoxLayout->addWidget(qobjectCtorRadioButton);
+    groupBoxLayout->addWidget(qwidgetCtorRadioButton);
+    groupBoxLayout->addWidget(defaultCtorRadioButton);
+    groupBoxLayout->addWidget(copyCtorCheckBox);
+    groupBox->setLayout(groupBoxLayout);
+
+    QGridLayout *layout = new QGridLayout;
+    layout->addWidget(classNameLabel, 0, 0);
+    layout->addWidget(classNameLineEdit, 0, 1);
+    layout->addWidget(baseClassLabel, 1, 0);
+    layout->addWidget(baseClassLineEdit, 1, 1);
+    layout->addWidget(qobjectMacroCheckBox, 2, 0, 1, 2);
+    layout->addWidget(groupBox, 3, 0, 1, 2);
+    setLayout(layout);
+//! [13]
+}
+//! [13]
+
+//! [14]
+CodeStylePage::CodeStylePage(QWidget *parent)
+    : QWizardPage(parent)
+{
+    setTitle(tr("Code Style Options"));
+    setSubTitle(tr("Choose the formatting of the generated code."));
+    setPixmap(QWizard::LogoPixmap, QPixmap(":/images/logo2.png"));
+
+    commentCheckBox = new QCheckBox(tr("&Start generated files with a "
+//! [14]
+                                       "comment"));
+    commentCheckBox->setChecked(true);
+
+    protectCheckBox = new QCheckBox(tr("&Protect header file against multiple "
+                                       "inclusions"));
+    protectCheckBox->setChecked(true);
+
+    macroNameLabel = new QLabel(tr("&Macro name:"));
+    macroNameLineEdit = new QLineEdit;
+    macroNameLabel->setBuddy(macroNameLineEdit);
+
+    includeBaseCheckBox = new QCheckBox(tr("&Include base class definition"));
+    baseIncludeLabel = new QLabel(tr("Base class include:"));
+    baseIncludeLineEdit = new QLineEdit;
+    baseIncludeLabel->setBuddy(baseIncludeLineEdit);
+
+    connect(protectCheckBox, &QAbstractButton::toggled,
+            macroNameLabel, &QWidget::setEnabled);
+    connect(protectCheckBox, &QAbstractButton::toggled,
+            macroNameLineEdit, &QWidget::setEnabled);
+    connect(includeBaseCheckBox, &QAbstractButton::toggled,
+            baseIncludeLabel, &QWidget::setEnabled);
+    connect(includeBaseCheckBox, &QAbstractButton::toggled,
+            baseIncludeLineEdit, &QWidget::setEnabled);
+
+    registerField("comment", commentCheckBox);
+    registerField("protect", protectCheckBox);
+    registerField("macroName", macroNameLineEdit);
+    registerField("includeBase", includeBaseCheckBox);
+    registerField("baseInclude", baseIncludeLineEdit);
+
+    QGridLayout *layout = new QGridLayout;
+    layout->setColumnMinimumWidth(0, 20);
+    layout->addWidget(commentCheckBox, 0, 0, 1, 3);
+    layout->addWidget(protectCheckBox, 1, 0, 1, 3);
+    layout->addWidget(macroNameLabel, 2, 1);
+    layout->addWidget(macroNameLineEdit, 2, 2);
+    layout->addWidget(includeBaseCheckBox, 3, 0, 1, 3);
+    layout->addWidget(baseIncludeLabel, 4, 1);
+    layout->addWidget(baseIncludeLineEdit, 4, 2);
+//! [15]
+    setLayout(layout);
+}
+//! [15]
+
+//! [16]
+void CodeStylePage::initializePage()
+{
+    QString className = field("className").toString();
+    macroNameLineEdit->setText(className.toUpper() + "_H");
+
+    QString baseClass = field("baseClass").toString();
+
+    includeBaseCheckBox->setChecked(!baseClass.isEmpty());
+    includeBaseCheckBox->setEnabled(!baseClass.isEmpty());
+    baseIncludeLabel->setEnabled(!baseClass.isEmpty());
+    baseIncludeLineEdit->setEnabled(!baseClass.isEmpty());
+
+    QRegularExpression rx("Q[A-Z].*");
+    if (baseClass.isEmpty()) {
+        baseIncludeLineEdit->clear();
+    } else if (rx.match(baseClass).hasMatch()) {
+        baseIncludeLineEdit->setText('<' + baseClass + '>');
+    } else {
+        baseIncludeLineEdit->setText('"' + baseClass.toLower() + ".h\"");
+    }
+}
+//! [16]
+
+OutputFilesPage::OutputFilesPage(QWidget *parent)
+    : QWizardPage(parent)
+{
+    setTitle(tr("Output Files"));
+    setSubTitle(tr("Specify where you want the wizard to put the generated "
+                   "skeleton code."));
+    setPixmap(QWizard::LogoPixmap, QPixmap(":/images/logo3.png"));
+
+    outputDirLabel = new QLabel(tr("&Output directory:"));
+    outputDirLineEdit = new QLineEdit;
+    outputDirLabel->setBuddy(outputDirLineEdit);
+
+    headerLabel = new QLabel(tr("&Header file name:"));
+    headerLineEdit = new QLineEdit;
+    headerLabel->setBuddy(headerLineEdit);
+
+    implementationLabel = new QLabel(tr("&Implementation file name:"));
+    implementationLineEdit = new QLineEdit;
+    implementationLabel->setBuddy(implementationLineEdit);
+
+    registerField("outputDir*", outputDirLineEdit);
+    registerField("header*", headerLineEdit);
+    registerField("implementation*", implementationLineEdit);
+
+    QGridLayout *layout = new QGridLayout;
+    layout->addWidget(outputDirLabel, 0, 0);
+    layout->addWidget(outputDirLineEdit, 0, 1);
+    layout->addWidget(headerLabel, 1, 0);
+    layout->addWidget(headerLineEdit, 1, 1);
+    layout->addWidget(implementationLabel, 2, 0);
+    layout->addWidget(implementationLineEdit, 2, 1);
+    setLayout(layout);
+}
+
+//! [17]
+void OutputFilesPage::initializePage()
+{
+    QString className = field("className").toString();
+    headerLineEdit->setText(className.toLower() + ".h");
+    implementationLineEdit->setText(className.toLower() + ".cpp");
+    outputDirLineEdit->setText(QDir::toNativeSeparators(QDir::tempPath()));
+}
+//! [17]
+
+ConclusionPage::ConclusionPage(QWidget *parent)
+    : QWizardPage(parent)
+{
+    setTitle(tr("Conclusion"));
+    setPixmap(QWizard::WatermarkPixmap, QPixmap(":/images/watermark2.png"));
+
+    label = new QLabel;
+    label->setWordWrap(true);
+
+    QVBoxLayout *layout = new QVBoxLayout;
+    layout->addWidget(label);
+    setLayout(layout);
+}
+
+void ConclusionPage::initializePage()
+{
+    QString finishText = wizard()->buttonText(QWizard::FinishButton);
+    finishText.remove('&');
+    label->setText(tr("Click %1 to generate the class skeleton.")
+                   .arg(finishText));
+}

tests/manual/examples/widgets/dialogs/classwizard/classwizard.h

@@ -0,0 +1,119 @@
+// Copyright (C) 2016 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
+
+#ifndef CLASSWIZARD_H
+#define CLASSWIZARD_H
+
+#include <QWizard>
+
+QT_BEGIN_NAMESPACE
+class QCheckBox;
+class QGroupBox;
+class QLabel;
+class QLineEdit;
+class QRadioButton;
+QT_END_NAMESPACE
+
+//! [0]
+class ClassWizard : public QWizard
+{
+    Q_OBJECT
+
+public:
+    ClassWizard(QWidget *parent = nullptr);
+
+    void accept() override;
+};
+//! [0]
+
+//! [1]
+class IntroPage : public QWizardPage
+{
+    Q_OBJECT
+
+public:
+    IntroPage(QWidget *parent = nullptr);
+
+private:
+    QLabel *label;
+};
+//! [1]
+
+//! [2]
+class ClassInfoPage : public QWizardPage
+{
+    Q_OBJECT
+
+public:
+    ClassInfoPage(QWidget *parent = nullptr);
+
+private:
+    QLabel *classNameLabel;
+    QLabel *baseClassLabel;
+    QLineEdit *classNameLineEdit;
+    QLineEdit *baseClassLineEdit;
+    QCheckBox *qobjectMacroCheckBox;
+    QGroupBox *groupBox;
+    QRadioButton *qobjectCtorRadioButton;
+    QRadioButton *qwidgetCtorRadioButton;
+    QRadioButton *defaultCtorRadioButton;
+    QCheckBox *copyCtorCheckBox;
+};
+//! [2]
+
+//! [3]
+class CodeStylePage : public QWizardPage
+{
+    Q_OBJECT
+
+public:
+    CodeStylePage(QWidget *parent = nullptr);
+
+protected:
+    void initializePage() override;
+
+private:
+    QCheckBox *commentCheckBox;
+    QCheckBox *protectCheckBox;
+    QCheckBox *includeBaseCheckBox;
+    QLabel *macroNameLabel;
+    QLabel *baseIncludeLabel;
+    QLineEdit *macroNameLineEdit;
+    QLineEdit *baseIncludeLineEdit;
+};
+//! [3]
+
+class OutputFilesPage : public QWizardPage
+{
+    Q_OBJECT
+
+public:
+    OutputFilesPage(QWidget *parent = nullptr);
+
+protected:
+    void initializePage() override;
+
+private:
+    QLabel *outputDirLabel;
+    QLabel *headerLabel;
+    QLabel *implementationLabel;
+    QLineEdit *outputDirLineEdit;
+    QLineEdit *headerLineEdit;
+    QLineEdit *implementationLineEdit;
+};
+
+class ConclusionPage : public QWizardPage
+{
+    Q_OBJECT
+
+public:
+    ConclusionPage(QWidget *parent = nullptr);
+
+protected:
+    void initializePage() override;
+
+private:
+    QLabel *label;
+};
+
+#endif

tests/manual/examples/widgets/dialogs/classwizard/classwizard.pro

@@ -0,0 +1,10 @@
+QT += widgets
+
+HEADERS       = classwizard.h
+SOURCES       = classwizard.cpp \
+                main.cpp
+RESOURCES     = classwizard.qrc
+
+# install
+target.path = $$[QT_INSTALL_EXAMPLES]/widgets/dialogs/classwizard
+INSTALLS += target

tests/manual/examples/widgets/dialogs/classwizard/classwizard.qrc

@@ -0,0 +1,11 @@
+<!DOCTYPE RCC><RCC version="1.0">
+<qresource>
+    <file>images/background.png</file>
+    <file>images/banner.png</file>
+    <file>images/logo1.png</file>
+    <file>images/logo2.png</file>
+    <file>images/logo3.png</file>
+    <file>images/watermark1.png</file>
+    <file>images/watermark2.png</file>
+</qresource>
+</RCC>

tests/manual/examples/widgets/dialogs/classwizard/main.cpp

@@ -0,0 +1,26 @@
+// Copyright (C) 2016 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
+
+#include <QApplication>
+#include <QTranslator>
+#include <QLocale>
+#include <QLibraryInfo>
+
+#include "classwizard.h"
+
+int main(int argc, char *argv[])
+{
+    QApplication app(argc, argv);
+
+#ifndef QT_NO_TRANSLATION
+    QString translatorFileName = QLatin1String("qtbase_");
+    translatorFileName += QLocale::system().name();
+    QTranslator *translator = new QTranslator(&app);
+    if (translator->load(translatorFileName, QLibraryInfo::path(QLibraryInfo::TranslationsPath)))
+        app.installTranslator(translator);
+#endif
+
+    ClassWizard wizard;
+    wizard.show();
+    return app.exec();
+}

tests/manual/examples/widgets/dialogs/extension/CMakeLists.txt

@@ -0,0 +1,37 @@
+# Copyright (C) 2022 The Qt Company Ltd.
+# SPDX-License-Identifier: BSD-3-Clause
+
+cmake_minimum_required(VERSION 3.16)
+project(extension LANGUAGES CXX)
+
+if(NOT DEFINED INSTALL_EXAMPLESDIR)
+    set(INSTALL_EXAMPLESDIR "examples")
+endif()
+
+set(INSTALL_EXAMPLEDIR "${INSTALL_EXAMPLESDIR}/widgets/dialogs/extension")
+
+find_package(Qt6 REQUIRED COMPONENTS Core Gui Widgets)
+
+qt_standard_project_setup()
+
+qt_add_executable(extension
+    finddialog.cpp finddialog.h
+    main.cpp
+)
+
+set_target_properties(extension PROPERTIES
+    WIN32_EXECUTABLE TRUE
+    MACOSX_BUNDLE TRUE
+)
+
+target_link_libraries(extension PRIVATE
+    Qt6::Core
+    Qt6::Gui
+    Qt6::Widgets
+)
+
+install(TARGETS extension
+    RUNTIME DESTINATION "${INSTALL_EXAMPLEDIR}"
+    BUNDLE DESTINATION "${INSTALL_EXAMPLEDIR}"
+    LIBRARY DESTINATION "${INSTALL_EXAMPLEDIR}"
+)

tests/manual/examples/widgets/dialogs/extension/extension.pro

@@ -0,0 +1,9 @@
+QT += widgets
+
+HEADERS       = finddialog.h
+SOURCES       = finddialog.cpp \
+                main.cpp
+
+# install
+target.path = $$[QT_INSTALL_EXAMPLES]/widgets/dialogs/extension
+INSTALLS += target

tests/manual/examples/widgets/dialogs/extension/finddialog.cpp

@@ -0,0 +1,77 @@
+// Copyright (C) 2016 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
+
+#include <QtWidgets>
+
+#include "finddialog.h"
+
+//! [0]
+FindDialog::FindDialog(QWidget *parent)
+    : QDialog(parent)
+{
+    label = new QLabel(tr("Find &what:"));
+    lineEdit = new QLineEdit;
+    label->setBuddy(lineEdit);
+
+    caseCheckBox = new QCheckBox(tr("Match &case"));
+    fromStartCheckBox = new QCheckBox(tr("Search from &start"));
+    fromStartCheckBox->setChecked(true);
+
+//! [1]
+    findButton = new QPushButton(tr("&Find"));
+    findButton->setDefault(true);
+
+    moreButton = new QPushButton(tr("&More"));
+    moreButton->setCheckable(true);
+//! [0]
+    moreButton->setAutoDefault(false);
+
+//! [1]
+
+//! [2]
+    extension = new QWidget;
+
+    wholeWordsCheckBox = new QCheckBox(tr("&Whole words"));
+    backwardCheckBox = new QCheckBox(tr("Search &backward"));
+    searchSelectionCheckBox = new QCheckBox(tr("Search se&lection"));
+//! [2]
+
+//! [3]
+    buttonBox = new QDialogButtonBox(Qt::Vertical);
+    buttonBox->addButton(findButton, QDialogButtonBox::ActionRole);
+    buttonBox->addButton(moreButton, QDialogButtonBox::ActionRole);
+
+    connect(moreButton, &QAbstractButton::toggled, extension, &QWidget::setVisible);
+
+    QVBoxLayout *extensionLayout = new QVBoxLayout;
+    extensionLayout->setContentsMargins(QMargins());
+    extensionLayout->addWidget(wholeWordsCheckBox);
+    extensionLayout->addWidget(backwardCheckBox);
+    extensionLayout->addWidget(searchSelectionCheckBox);
+    extension->setLayout(extensionLayout);
+//! [3]
+
+//! [4]
+    QHBoxLayout *topLeftLayout = new QHBoxLayout;
+    topLeftLayout->addWidget(label);
+    topLeftLayout->addWidget(lineEdit);
+
+    QVBoxLayout *leftLayout = new QVBoxLayout;
+    leftLayout->addLayout(topLeftLayout);
+    leftLayout->addWidget(caseCheckBox);
+    leftLayout->addWidget(fromStartCheckBox);
+
+    QGridLayout *mainLayout = new QGridLayout;
+    mainLayout->setSizeConstraint(QLayout::SetFixedSize);
+    mainLayout->addLayout(leftLayout, 0, 0);
+    mainLayout->addWidget(buttonBox, 0, 1);
+    mainLayout->addWidget(extension, 1, 0, 1, 2);
+    mainLayout->setRowStretch(2, 1);
+
+    setLayout(mainLayout);
+
+    setWindowTitle(tr("Extension"));
+//! [4] //! [5]
+    extension->hide();
+}
+//! [5]

tests/manual/examples/widgets/dialogs/extension/finddialog.h

@@ -0,0 +1,41 @@
+// Copyright (C) 2016 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
+
+#ifndef FINDDIALOG_H
+#define FINDDIALOG_H
+
+#include <QDialog>
+
+QT_BEGIN_NAMESPACE
+class QCheckBox;
+class QDialogButtonBox;
+class QGroupBox;
+class QLabel;
+class QLineEdit;
+class QPushButton;
+QT_END_NAMESPACE
+
+//! [0]
+class FindDialog : public QDialog
+{
+    Q_OBJECT
+
+public:
+    FindDialog(QWidget *parent = nullptr);
+
+private:
+    QLabel *label;
+    QLineEdit *lineEdit;
+    QCheckBox *caseCheckBox;
+    QCheckBox *fromStartCheckBox;
+    QCheckBox *wholeWordsCheckBox;
+    QCheckBox *searchSelectionCheckBox;
+    QCheckBox *backwardCheckBox;
+    QDialogButtonBox *buttonBox;
+    QPushButton *findButton;
+    QPushButton *moreButton;
+    QWidget *extension;
+};
+//! [0]
+
+#endif

tests/manual/examples/widgets/dialogs/extension/main.cpp

@@ -0,0 +1,16 @@
+// Copyright (C) 2016 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
+
+#include <QApplication>
+
+#include "finddialog.h"
+
+int main(int argc, char *argv[])
+{
+    QApplication app(argc, argv);
+    FindDialog dialog;
+
+    dialog.show();
+
+    return app.exec();
+}

tests/manual/examples/widgets/draganddrop/fridgemagnets/CMakeLists.txt

@@ -0,0 +1,50 @@
+# Copyright (C) 2022 The Qt Company Ltd.
+# SPDX-License-Identifier: BSD-3-Clause
+
+cmake_minimum_required(VERSION 3.16)
+project(fridgemagnets LANGUAGES CXX)
+
+if(NOT DEFINED INSTALL_EXAMPLESDIR)
+    set(INSTALL_EXAMPLESDIR "examples")
+endif()
+
+set(INSTALL_EXAMPLEDIR "${INSTALL_EXAMPLESDIR}/widgets/draganddrop/fridgemagnets")
+
+find_package(Qt6 REQUIRED COMPONENTS Core Gui Widgets)
+
+qt_standard_project_setup()
+
+qt_add_executable(fridgemagnets
+    draglabel.cpp draglabel.h
+    dragwidget.cpp dragwidget.h
+    main.cpp
+)
+
+set_target_properties(fridgemagnets PROPERTIES
+    WIN32_EXECUTABLE TRUE
+    MACOSX_BUNDLE TRUE
+)
+
+target_link_libraries(fridgemagnets PRIVATE
+    Qt6::Core
+    Qt6::Gui
+    Qt6::Widgets
+)
+
+# Resources:
+set(fridgemagnets_resource_files
+    "words.txt"
+)
+
+qt_add_resources(fridgemagnets "fridgemagnets"
+    PREFIX
+        "/dictionary"
+    FILES
+        ${fridgemagnets_resource_files}
+)
+
+install(TARGETS fridgemagnets
+    RUNTIME DESTINATION "${INSTALL_EXAMPLEDIR}"
+    BUNDLE DESTINATION "${INSTALL_EXAMPLEDIR}"
+    LIBRARY DESTINATION "${INSTALL_EXAMPLEDIR}"
+)

tests/manual/examples/widgets/draganddrop/fridgemagnets/draglabel.cpp

@@ -0,0 +1,51 @@
+// Copyright (C) 2016 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
+
+#include "draglabel.h"
+
+#include <QtWidgets>
+
+//! [0]
+DragLabel::DragLabel(const QString &text, QWidget *parent)
+    : QLabel(parent)
+{
+    QFontMetrics metric(font());
+    QSize size = metric.size(Qt::TextSingleLine, text);
+
+    QImage image(size.width() + 12, size.height() + 12, QImage::Format_ARGB32_Premultiplied);
+    image.fill(qRgba(0, 0, 0, 0));
+
+    QFont font;
+    font.setStyleStrategy(QFont::ForceOutline);
+//! [0]
+
+//! [1]
+    QLinearGradient gradient(0, 0, 0, image.height()-1);
+    gradient.setColorAt(0.0, Qt::white);
+    gradient.setColorAt(0.2, QColor(200, 200, 255));
+    gradient.setColorAt(0.8, QColor(200, 200, 255));
+    gradient.setColorAt(1.0, QColor(127, 127, 200));
+
+    QPainter painter;
+    painter.begin(&image);
+    painter.setRenderHint(QPainter::Antialiasing);
+    painter.setBrush(gradient);
+    painter.drawRoundedRect(QRectF(0.5, 0.5, image.width()-1, image.height()-1),
+                            25, 25, Qt::RelativeSize);
+
+    painter.setFont(font);
+    painter.setBrush(Qt::black);
+    painter.drawText(QRect(QPoint(6, 6), size), Qt::AlignCenter, text);
+    painter.end();
+//! [1]
+
+//! [2]
+    setPixmap(QPixmap::fromImage(image));
+    m_labelText = text;
+}
+//! [2]
+
+QString DragLabel::labelText() const
+{
+    return m_labelText;
+}

tests/manual/examples/widgets/draganddrop/fridgemagnets/draglabel.h

@@ -0,0 +1,27 @@
+// Copyright (C) 2016 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
+
+#ifndef DRAGLABEL_H
+#define DRAGLABEL_H
+
+#include <QLabel>
+
+QT_BEGIN_NAMESPACE
+class QDragEnterEvent;
+class QDragMoveEvent;
+class QFrame;
+QT_END_NAMESPACE
+
+//! [0]
+class DragLabel : public QLabel
+{
+public:
+    DragLabel(const QString &text, QWidget *parent);
+    QString labelText() const;
+
+private:
+    QString m_labelText;
+};
+//! [0]
+
+#endif // DRAGLABEL_H

tests/manual/examples/widgets/draganddrop/fridgemagnets/dragwidget.cpp

@@ -0,0 +1,176 @@
+// Copyright (C) 2016 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
+
+#include "draglabel.h"
+#include "dragwidget.h"
+
+#include <QtWidgets>
+
+static inline QString fridgetMagnetsMimeType() { return QStringLiteral("application/x-fridgemagnet"); }
+
+//! [0]
+DragWidget::DragWidget(QWidget *parent)
+    : QWidget(parent)
+{
+    QFile dictionaryFile(QStringLiteral(":/dictionary/words.txt"));
+    dictionaryFile.open(QFile::ReadOnly);
+    QTextStream inputStream(&dictionaryFile);
+//! [0]
+
+//! [1]
+    int x = 5;
+    int y = 5;
+
+    while (!inputStream.atEnd()) {
+        QString word;
+        inputStream >> word;
+        if (!word.isEmpty()) {
+            DragLabel *wordLabel = new DragLabel(word, this);
+            wordLabel->move(x, y);
+            wordLabel->show();
+            wordLabel->setAttribute(Qt::WA_DeleteOnClose);
+            x += wordLabel->width() + 2;
+            if (x >= 245) {
+                x = 5;
+                y += wordLabel->height() + 2;
+            }
+        }
+    }
+//! [1]
+
+//! [2]
+    QPalette newPalette = palette();
+    newPalette.setColor(QPalette::Window, Qt::white);
+    setPalette(newPalette);
+
+    setMinimumSize(400, qMax(200, y));
+    setWindowTitle(tr("Fridge Magnets"));
+//! [2] //! [3]
+    setAcceptDrops(true);
+}
+//! [3]
+
+//! [4]
+void DragWidget::dragEnterEvent(QDragEnterEvent *event)
+{
+//! [4] //! [5]
+    if (event->mimeData()->hasFormat(fridgetMagnetsMimeType())) {
+        if (children().contains(event->source())) {
+            event->setDropAction(Qt::MoveAction);
+            event->accept();
+        } else {
+            event->acceptProposedAction();
+//! [5] //! [6]
+        }
+//! [6] //! [7]
+    } else if (event->mimeData()->hasText()) {
+        event->acceptProposedAction();
+    } else {
+        event->ignore();
+    }
+}
+//! [7]
+
+//! [8]
+void DragWidget::dragMoveEvent(QDragMoveEvent *event)
+{
+    if (event->mimeData()->hasFormat(fridgetMagnetsMimeType())) {
+        if (children().contains(event->source())) {
+            event->setDropAction(Qt::MoveAction);
+            event->accept();
+        } else {
+            event->acceptProposedAction();
+        }
+    } else if (event->mimeData()->hasText()) {
+        event->acceptProposedAction();
+    } else {
+        event->ignore();
+    }
+}
+//! [8]
+
+//! [9]
+void DragWidget::dropEvent(QDropEvent *event)
+{
+    if (event->mimeData()->hasFormat(fridgetMagnetsMimeType())) {
+        const QMimeData *mime = event->mimeData();
+//! [9] //! [10]
+        QByteArray itemData = mime->data(fridgetMagnetsMimeType());
+        QDataStream dataStream(&itemData, QIODevice::ReadOnly);
+
+        QString text;
+        QPoint offset;
+        dataStream >> text >> offset;
+//! [10]
+//! [11]
+        DragLabel *newLabel = new DragLabel(text, this);
+        newLabel->move(event->position().toPoint() - offset);
+        newLabel->show();
+        newLabel->setAttribute(Qt::WA_DeleteOnClose);
+
+        if (event->source() == this) {
+            event->setDropAction(Qt::MoveAction);
+            event->accept();
+        } else {
+            event->acceptProposedAction();
+        }
+//! [11] //! [12]
+    } else if (event->mimeData()->hasText()) {
+        QStringList pieces = event->mimeData()->text().split(
+            QRegularExpression(QStringLiteral("\\s+")), Qt::SkipEmptyParts);
+        QPoint position = event->position().toPoint();
+
+        for (const QString &piece : pieces) {
+            DragLabel *newLabel = new DragLabel(piece, this);
+            newLabel->move(position);
+            newLabel->show();
+            newLabel->setAttribute(Qt::WA_DeleteOnClose);
+
+            position += QPoint(newLabel->width(), 0);
+        }
+
+        event->acceptProposedAction();
+    } else {
+        event->ignore();
+    }
+}
+//! [12]
+
+//! [13]
+void DragWidget::mousePressEvent(QMouseEvent *event)
+{
+//! [13]
+//! [14]
+    DragLabel *child = static_cast<DragLabel*>(childAt(event->position().toPoint()));
+    if (!child)
+        return;
+
+    QPoint hotSpot = event->position().toPoint() - child->pos();
+
+    QByteArray itemData;
+    QDataStream dataStream(&itemData, QIODevice::WriteOnly);
+    dataStream << child->labelText() << QPoint(hotSpot);
+//! [14]
+
+//! [15]
+    QMimeData *mimeData = new QMimeData;
+    mimeData->setData(fridgetMagnetsMimeType(), itemData);
+    mimeData->setText(child->labelText());
+//! [15]
+
+//! [16]
+    QDrag *drag = new QDrag(this);
+    drag->setMimeData(mimeData);
+    drag->setPixmap(child->pixmap());
+    drag->setHotSpot(hotSpot);
+
+    child->hide();
+//! [16]
+
+//! [17]
+    if (drag->exec(Qt::MoveAction | Qt::CopyAction, Qt::CopyAction) == Qt::MoveAction)
+        child->close();
+    else
+        child->show();
+}
+//! [17]

tests/manual/examples/widgets/draganddrop/fridgemagnets/dragwidget.h

@@ -0,0 +1,28 @@
+// Copyright (C) 2016 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
+
+#ifndef DRAGWIDGET_H
+#define DRAGWIDGET_H
+
+#include <QWidget>
+
+QT_BEGIN_NAMESPACE
+class QDragEnterEvent;
+class QDropEvent;
+QT_END_NAMESPACE
+
+//! [0]
+class DragWidget : public QWidget
+{
+public:
+    explicit DragWidget(QWidget *parent = nullptr);
+
+protected:
+    void dragEnterEvent(QDragEnterEvent *event) override;
+    void dragMoveEvent(QDragMoveEvent *event) override;
+    void dropEvent(QDropEvent *event) override;
+    void mousePressEvent(QMouseEvent *event) override;
+};
+//! [0]
+
+#endif // DRAGWIDGET_H

tests/manual/examples/widgets/draganddrop/fridgemagnets/fridgemagnets.pro

@@ -0,0 +1,12 @@
+QT += widgets
+
+HEADERS     = draglabel.h \
+              dragwidget.h
+RESOURCES   = fridgemagnets.qrc
+SOURCES     = draglabel.cpp \
+              dragwidget.cpp \
+              main.cpp
+
+# install
+target.path = $$[QT_INSTALL_EXAMPLES]/widgets/draganddrop/fridgemagnets
+INSTALLS += target

tests/manual/examples/widgets/draganddrop/fridgemagnets/fridgemagnets.qrc

@@ -0,0 +1,5 @@
+<!DOCTYPE RCC><RCC version="1.0">
+<qresource prefix="/dictionary">
+   <file>words.txt</file>
+</qresource>
+</RCC>

tests/manual/examples/widgets/draganddrop/fridgemagnets/main.cpp

@@ -0,0 +1,23 @@
+// Copyright (C) 2016 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
+
+#include <QApplication>
+
+#include "dragwidget.h"
+
+int main(int argc, char *argv[])
+{
+    QApplication app(argc, argv);
+#ifdef QT_KEYPAD_NAVIGATION
+    QApplication::setNavigationMode(Qt::NavigationModeCursorAuto);
+#endif
+    DragWidget window;
+
+    bool smallScreen = QApplication::arguments().contains(QStringLiteral("-small-screen"));
+    if (smallScreen)
+        window.showFullScreen();
+    else
+        window.show();
+
+    return app.exec();
+}

tests/manual/examples/widgets/draganddrop/fridgemagnets/words.txt

@@ -0,0 +1,48 @@
+Colorless
+green
+ideas
+sleep
+furiously
+A
+colorless
+green
+idea
+is
+a
+new
+untried
+idea
+that
+is
+without
+vividness
+dull
+and
+unexciting
+To
+sleep
+furiously
+may
+seem
+a
+puzzling
+turn
+of
+phrase
+but
+the
+mind
+in
+sleep
+often
+indeed
+moves
+furiously
+with
+ideas
+and
+images
+flickering
+in
+and
+out

tests/manual/examples/widgets/draganddrop/puzzle/CMakeLists.txt

@@ -0,0 +1,51 @@
+# Copyright (C) 2022 The Qt Company Ltd.
+# SPDX-License-Identifier: BSD-3-Clause
+
+cmake_minimum_required(VERSION 3.16)
+project(puzzle LANGUAGES CXX)
+
+if(NOT DEFINED INSTALL_EXAMPLESDIR)
+    set(INSTALL_EXAMPLESDIR "examples")
+endif()
+
+set(INSTALL_EXAMPLEDIR "${INSTALL_EXAMPLESDIR}/widgets/draganddrop_puzzle")
+
+find_package(Qt6 REQUIRED COMPONENTS Core Gui Widgets)
+
+qt_standard_project_setup()
+
+qt_add_executable(draganddrop_puzzle
+    main.cpp
+    mainwindow.cpp mainwindow.h
+    pieceslist.cpp pieceslist.h
+    puzzlewidget.cpp puzzlewidget.h
+)
+
+set_target_properties(draganddrop_puzzle PROPERTIES
+    WIN32_EXECUTABLE TRUE
+    MACOSX_BUNDLE TRUE
+)
+
+target_link_libraries(draganddrop_puzzle PRIVATE
+    Qt6::Core
+    Qt6::Gui
+    Qt6::Widgets
+)
+
+# Resources:
+set(puzzle_resource_files
+    "example.jpg"
+)
+
+qt_add_resources(draganddrop_puzzle "puzzle"
+    PREFIX
+        "/images"
+    FILES
+        ${puzzle_resource_files}
+)
+
+install(TARGETS draganddrop_puzzle
+    RUNTIME DESTINATION "${INSTALL_EXAMPLEDIR}"
+    BUNDLE DESTINATION "${INSTALL_EXAMPLEDIR}"
+    LIBRARY DESTINATION "${INSTALL_EXAMPLEDIR}"
+)

tests/manual/examples/widgets/draganddrop/puzzle/main.cpp

@@ -0,0 +1,15 @@
+// Copyright (C) 2016 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
+
+#include "mainwindow.h"
+
+#include <QApplication>
+
+int main(int argc, char *argv[])
+{
+    QApplication app(argc, argv);
+    MainWindow window;
+    window.loadImage(QStringLiteral(":/images/example.jpg"));
+    window.show();
+    return app.exec();
+}

tests/manual/examples/widgets/draganddrop/puzzle/mainwindow.cpp

@@ -0,0 +1,118 @@
+// Copyright (C) 2016 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
+
+#include "mainwindow.h"
+#include "pieceslist.h"
+#include "puzzlewidget.h"
+
+#include <QtWidgets>
+#include <stdlib.h>
+
+MainWindow::MainWindow(QWidget *parent)
+    : QMainWindow(parent)
+{
+    setupMenus();
+    setupWidgets();
+
+    setSizePolicy(QSizePolicy(QSizePolicy::Fixed, QSizePolicy::Fixed));
+    setWindowTitle(tr("Puzzle"));
+}
+
+void MainWindow::openImage()
+{
+    const QString directory =
+        QStandardPaths::standardLocations(QStandardPaths::PicturesLocation).value(0, QDir::homePath());
+    QFileDialog dialog(this, tr("Open Image"), directory);
+    dialog.setAcceptMode(QFileDialog::AcceptOpen);
+    dialog.setFileMode(QFileDialog::ExistingFile);
+    QStringList mimeTypeFilters;
+    for (const QByteArray &mimeTypeName : QImageReader::supportedMimeTypes())
+        mimeTypeFilters.append(mimeTypeName);
+    mimeTypeFilters.sort();
+    dialog.setMimeTypeFilters(mimeTypeFilters);
+    dialog.selectMimeTypeFilter("image/jpeg");
+    if (dialog.exec() == QDialog::Accepted)
+        loadImage(dialog.selectedFiles().constFirst());
+}
+
+void MainWindow::loadImage(const QString &fileName)
+{
+    QPixmap newImage;
+    if (!newImage.load(fileName)) {
+        QMessageBox::warning(this, tr("Open Image"),
+                             tr("The image file could not be loaded."),
+                             QMessageBox::Close);
+        return;
+    }
+    puzzleImage = newImage;
+    setupPuzzle();
+}
+
+void MainWindow::setCompleted()
+{
+    QMessageBox::information(this, tr("Puzzle Completed"),
+                             tr("Congratulations! You have completed the puzzle!\n"
+                                "Click OK to start again."),
+                             QMessageBox::Ok);
+
+    setupPuzzle();
+}
+
+void MainWindow::setupPuzzle()
+{
+    int size = qMin(puzzleImage.width(), puzzleImage.height());
+    puzzleImage = puzzleImage.copy((puzzleImage.width() - size) / 2,
+        (puzzleImage.height() - size) / 2, size, size).scaled(puzzleWidget->width(),
+            puzzleWidget->height(), Qt::IgnoreAspectRatio, Qt::SmoothTransformation);
+
+    piecesList->clear();
+
+    for (int y = 0; y < 5; ++y) {
+        for (int x = 0; x < 5; ++x) {
+            int pieceSize = puzzleWidget->pieceSize();
+            QPixmap pieceImage = puzzleImage.copy(x * pieceSize, y * pieceSize, pieceSize, pieceSize);
+            piecesList->addPiece(pieceImage, QPoint(x, y));
+        }
+    }
+
+    for (int i = 0; i < piecesList->count(); ++i) {
+        if (QRandomGenerator::global()->bounded(2) == 1) {
+            QListWidgetItem *item = piecesList->takeItem(i);
+            piecesList->insertItem(0, item);
+        }
+    }
+
+    puzzleWidget->clear();
+}
+
+void MainWindow::setupMenus()
+{
+    QMenu *fileMenu = menuBar()->addMenu(tr("&File"));
+
+    QAction *openAction = fileMenu->addAction(tr("&Open..."), this, &MainWindow::openImage);
+    openAction->setShortcuts(QKeySequence::Open);
+
+    QAction *exitAction = fileMenu->addAction(tr("E&xit"), qApp, &QCoreApplication::quit);
+    exitAction->setShortcuts(QKeySequence::Quit);
+
+    QMenu *gameMenu = menuBar()->addMenu(tr("&Game"));
+
+    gameMenu->addAction(tr("&Restart"), this, &MainWindow::setupPuzzle);
+}
+
+void MainWindow::setupWidgets()
+{
+    QFrame *frame = new QFrame;
+    QHBoxLayout *frameLayout = new QHBoxLayout(frame);
+    puzzleWidget = new PuzzleWidget(400);
+
+    piecesList = new PiecesList(puzzleWidget->pieceSize(), this);
+
+
+    connect(puzzleWidget, &PuzzleWidget::puzzleCompleted,
+            this, &MainWindow::setCompleted, Qt::QueuedConnection);
+
+    frameLayout->addWidget(piecesList);
+    frameLayout->addWidget(puzzleWidget);
+    setCentralWidget(frame);
+}

tests/manual/examples/widgets/draganddrop/puzzle/mainwindow.h

@@ -0,0 +1,40 @@
+// Copyright (C) 2016 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
+
+#ifndef MAINWINDOW_H
+#define MAINWINDOW_H
+
+#include <QMainWindow>
+#include <QPixmap>
+
+class PiecesList;
+class PuzzleWidget;
+QT_BEGIN_NAMESPACE
+class QListWidgetItem;
+QT_END_NAMESPACE
+
+class MainWindow : public QMainWindow
+{
+    Q_OBJECT
+
+public:
+    explicit MainWindow(QWidget *parent = nullptr);
+    void loadImage(const QString &path);
+
+public slots:
+    void openImage();
+    void setupPuzzle();
+
+private slots:
+    void setCompleted();
+
+private:
+    void setupMenus();
+    void setupWidgets();
+
+    QPixmap puzzleImage;
+    PiecesList *piecesList;
+    PuzzleWidget *puzzleWidget;
+};
+
+#endif // MAINWINDOW_H

tests/manual/examples/widgets/draganddrop/puzzle/pieceslist.cpp

@@ -0,0 +1,87 @@
+// Copyright (C) 2016 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
+
+#include "pieceslist.h"
+
+#include <QDrag>
+#include <QDragEnterEvent>
+#include <QMimeData>
+
+PiecesList::PiecesList(int pieceSize, QWidget *parent)
+    : QListWidget(parent), m_PieceSize(pieceSize)
+{
+    setDragEnabled(true);
+    setViewMode(QListView::IconMode);
+    setIconSize(QSize(m_PieceSize, m_PieceSize));
+    setSpacing(10);
+    setAcceptDrops(true);
+    setDropIndicatorShown(true);
+}
+
+void PiecesList::dragEnterEvent(QDragEnterEvent *event)
+{
+    if (event->mimeData()->hasFormat(PiecesList::puzzleMimeType()))
+        event->accept();
+    else
+        event->ignore();
+}
+
+void PiecesList::dragMoveEvent(QDragMoveEvent *event)
+{
+    if (event->mimeData()->hasFormat(PiecesList::puzzleMimeType())) {
+        event->setDropAction(Qt::MoveAction);
+        event->accept();
+    } else {
+        event->ignore();
+    }
+}
+
+void PiecesList::dropEvent(QDropEvent *event)
+{
+    if (event->mimeData()->hasFormat(PiecesList::puzzleMimeType())) {
+        QByteArray pieceData = event->mimeData()->data(PiecesList::puzzleMimeType());
+        QDataStream dataStream(&pieceData, QIODevice::ReadOnly);
+        QPixmap pixmap;
+        QPoint location;
+        dataStream >> pixmap >> location;
+
+        addPiece(pixmap, location);
+
+        event->setDropAction(Qt::MoveAction);
+        event->accept();
+    } else {
+        event->ignore();
+    }
+}
+
+void PiecesList::addPiece(const QPixmap &pixmap, const QPoint &location)
+{
+    QListWidgetItem *pieceItem = new QListWidgetItem(this);
+    pieceItem->setIcon(QIcon(pixmap));
+    pieceItem->setData(Qt::UserRole, QVariant(pixmap));
+    pieceItem->setData(Qt::UserRole+1, location);
+    pieceItem->setFlags(Qt::ItemIsEnabled | Qt::ItemIsSelectable | Qt::ItemIsDragEnabled);
+}
+
+void PiecesList::startDrag(Qt::DropActions /*supportedActions*/)
+{
+    QListWidgetItem *item = currentItem();
+
+    QByteArray itemData;
+    QDataStream dataStream(&itemData, QIODevice::WriteOnly);
+    QPixmap pixmap = qvariant_cast<QPixmap>(item->data(Qt::UserRole));
+    QPoint location = item->data(Qt::UserRole+1).toPoint();
+
+    dataStream << pixmap << location;
+
+    QMimeData *mimeData = new QMimeData;
+    mimeData->setData(PiecesList::puzzleMimeType(), itemData);
+
+    QDrag *drag = new QDrag(this);
+    drag->setMimeData(mimeData);
+    drag->setHotSpot(QPoint(pixmap.width()/2, pixmap.height()/2));
+    drag->setPixmap(pixmap);
+
+    if (drag->exec(Qt::MoveAction) == Qt::MoveAction)
+        delete takeItem(row(item));
+}

tests/manual/examples/widgets/draganddrop/puzzle/pieceslist.h

@@ -0,0 +1,28 @@
+// Copyright (C) 2016 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
+
+#ifndef PIECESLIST_H
+#define PIECESLIST_H
+
+#include <QListWidget>
+
+class PiecesList : public QListWidget
+{
+    Q_OBJECT
+
+public:
+    explicit PiecesList(int pieceSize, QWidget *parent = nullptr);
+    void addPiece(const QPixmap &pixmap, const QPoint &location);
+
+    static QString puzzleMimeType() { return QStringLiteral("image/x-puzzle-piece"); }
+
+protected:
+    void dragEnterEvent(QDragEnterEvent *event) override;
+    void dragMoveEvent(QDragMoveEvent *event) override;
+    void dropEvent(QDropEvent *event) override;
+    void startDrag(Qt::DropActions supportedActions) override;
+
+    int m_PieceSize;
+};
+
+#endif // PIECESLIST_H

tests/manual/examples/widgets/draganddrop/puzzle/puzzle.pro

@@ -0,0 +1,17 @@
+QT += widgets
+requires(qtConfig(filedialog))
+
+HEADERS     = mainwindow.h \
+              pieceslist.h \
+              puzzlewidget.h
+RESOURCES   = puzzle.qrc
+SOURCES     = main.cpp \
+              mainwindow.cpp \
+              pieceslist.cpp \
+              puzzlewidget.cpp
+
+QMAKE_PROJECT_NAME = dndpuzzle
+
+# install
+target.path = $$[QT_INSTALL_EXAMPLES]/widgets/draganddrop/puzzle
+INSTALLS += target

tests/manual/examples/widgets/draganddrop/puzzle/puzzle.qrc

@@ -0,0 +1,5 @@
+<!DOCTYPE RCC><RCC version="1.0">
+<qresource prefix="/images">
+   <file>example.jpg</file>
+</qresource>
+</RCC>

tests/manual/examples/widgets/draganddrop/puzzle/puzzlewidget.cpp

@@ -0,0 +1,167 @@
+// Copyright (C) 2016 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
+
+#include "puzzlewidget.h"
+#include "pieceslist.h"
+
+#include <QDrag>
+#include <QDragEnterEvent>
+#include <QMimeData>
+#include <QPainter>
+
+PuzzleWidget::PuzzleWidget(int imageSize, QWidget *parent)
+    : QWidget(parent), m_ImageSize(imageSize)
+{
+    setAcceptDrops(true);
+    setMinimumSize(m_ImageSize, m_ImageSize);
+    setMaximumSize(m_ImageSize, m_ImageSize);
+}
+
+void PuzzleWidget::clear()
+{
+    pieces.clear();
+    highlightedRect = QRect();
+    inPlace = 0;
+    update();
+}
+
+void PuzzleWidget::dragEnterEvent(QDragEnterEvent *event)
+{
+    if (event->mimeData()->hasFormat(PiecesList::puzzleMimeType()))
+        event->accept();
+    else
+        event->ignore();
+}
+
+void PuzzleWidget::dragLeaveEvent(QDragLeaveEvent *event)
+{
+    QRect updateRect = highlightedRect;
+    highlightedRect = QRect();
+    update(updateRect);
+    event->accept();
+}
+
+void PuzzleWidget::dragMoveEvent(QDragMoveEvent *event)
+{
+    QRect updateRect = highlightedRect.united(targetSquare(event->position().toPoint()));
+
+    if (event->mimeData()->hasFormat(PiecesList::puzzleMimeType())
+        && findPiece(targetSquare(event->position().toPoint())) == -1) {
+
+        highlightedRect = targetSquare(event->position().toPoint());
+        event->setDropAction(Qt::MoveAction);
+        event->accept();
+    } else {
+        highlightedRect = QRect();
+        event->ignore();
+    }
+
+    update(updateRect);
+}
+
+void PuzzleWidget::dropEvent(QDropEvent *event)
+{
+    if (event->mimeData()->hasFormat(PiecesList::puzzleMimeType())
+        && findPiece(targetSquare(event->position().toPoint())) == -1) {
+
+        QByteArray pieceData = event->mimeData()->data(PiecesList::puzzleMimeType());
+        QDataStream dataStream(&pieceData, QIODevice::ReadOnly);
+        Piece piece;
+        piece.rect = targetSquare(event->position().toPoint());
+        dataStream >> piece.pixmap >> piece.location;
+
+        pieces.append(piece);
+
+        highlightedRect = QRect();
+        update(piece.rect);
+
+        event->setDropAction(Qt::MoveAction);
+        event->accept();
+
+        if (piece.location == piece.rect.topLeft() / pieceSize()) {
+            inPlace++;
+            if (inPlace == 25)
+                emit puzzleCompleted();
+        }
+    } else {
+        highlightedRect = QRect();
+        event->ignore();
+    }
+}
+
+int PuzzleWidget::findPiece(const QRect &pieceRect) const
+{
+    for (int i = 0, size = pieces.size(); i < size; ++i) {
+        if (pieces.at(i).rect == pieceRect)
+            return i;
+    }
+    return -1;
+}
+
+void PuzzleWidget::mousePressEvent(QMouseEvent *event)
+{
+    QRect square = targetSquare(event->position().toPoint());
+    const int found = findPiece(square);
+
+    if (found == -1)
+        return;
+
+    Piece piece = pieces.takeAt(found);
+
+    if (piece.location == square.topLeft() / pieceSize())
+        inPlace--;
+
+    update(square);
+
+    QByteArray itemData;
+    QDataStream dataStream(&itemData, QIODevice::WriteOnly);
+
+    dataStream << piece.pixmap << piece.location;
+
+    QMimeData *mimeData = new QMimeData;
+    mimeData->setData(PiecesList::puzzleMimeType(), itemData);
+
+    QDrag *drag = new QDrag(this);
+    drag->setMimeData(mimeData);
+    drag->setHotSpot(event->position().toPoint() - square.topLeft());
+    drag->setPixmap(piece.pixmap);
+
+    if (drag->exec(Qt::MoveAction) != Qt::MoveAction) {
+        pieces.insert(found, piece);
+        update(targetSquare(event->position().toPoint()));
+
+        if (piece.location == square.topLeft() / pieceSize())
+            inPlace++;
+    }
+}
+
+void PuzzleWidget::paintEvent(QPaintEvent *event)
+{
+    QPainter painter(this);
+    painter.fillRect(event->rect(), Qt::white);
+
+    if (highlightedRect.isValid()) {
+        painter.setBrush(QColor("#ffcccc"));
+        painter.setPen(Qt::NoPen);
+        painter.drawRect(highlightedRect.adjusted(0, 0, -1, -1));
+    }
+
+    for (const Piece &piece : pieces)
+        painter.drawPixmap(piece.rect, piece.pixmap);
+}
+
+const QRect PuzzleWidget::targetSquare(const QPoint &position) const
+{
+    QPoint topLeft = QPoint(position.x() / pieceSize(), position.y() / pieceSize()) * pieceSize();
+    return QRect(topLeft, QSize(pieceSize(), pieceSize()));
+}
+
+int PuzzleWidget::pieceSize() const
+{
+    return m_ImageSize / 5;
+}
+
+int PuzzleWidget::imageSize() const
+{
+    return m_ImageSize;
+}

tests/manual/examples/widgets/draganddrop/puzzle/puzzlewidget.h

@@ -0,0 +1,56 @@
+// Copyright (C) 2016 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
+
+#ifndef PUZZLEWIDGET_H
+#define PUZZLEWIDGET_H
+
+#include <QPoint>
+#include <QPixmap>
+#include <QList>
+#include <QWidget>
+
+QT_BEGIN_NAMESPACE
+class QDragEnterEvent;
+class QDropEvent;
+class QMouseEvent;
+QT_END_NAMESPACE
+
+class PuzzleWidget : public QWidget
+{
+    Q_OBJECT
+
+public:
+    explicit PuzzleWidget(int imageSize, QWidget *parent = nullptr);
+    void clear();
+
+    int pieceSize() const;
+    int imageSize() const;
+
+signals:
+    void puzzleCompleted();
+
+protected:
+    void dragEnterEvent(QDragEnterEvent *event) override;
+    void dragLeaveEvent(QDragLeaveEvent *event) override;
+    void dragMoveEvent(QDragMoveEvent *event) override;
+    void dropEvent(QDropEvent *event) override;
+    void mousePressEvent(QMouseEvent *event) override;
+    void paintEvent(QPaintEvent *event) override;
+
+private:
+    struct Piece {
+        QPixmap pixmap;
+        QRect rect;
+        QPoint location;
+    };
+
+    int findPiece(const QRect &pieceRect) const;
+    const QRect targetSquare(const QPoint &position) const;
+
+    QList<Piece> pieces;
+    QRect highlightedRect;
+    int inPlace;
+    int m_ImageSize;
+};
+
+#endif // PUZZLEWIDGET_H

tests/manual/examples/widgets/effects/fademessage/CMakeLists.txt

@@ -0,0 +1,49 @@
+# Copyright (C) 2022 The Qt Company Ltd.
+# SPDX-License-Identifier: BSD-3-Clause
+
+cmake_minimum_required(VERSION 3.16)
+project(fademessage LANGUAGES CXX)
+
+if(NOT DEFINED INSTALL_EXAMPLESDIR)
+    set(INSTALL_EXAMPLESDIR "examples")
+endif()
+
+set(INSTALL_EXAMPLEDIR "${INSTALL_EXAMPLESDIR}/widgets/effects/fademessage")
+
+find_package(Qt6 REQUIRED COMPONENTS Core Gui Widgets)
+
+qt_standard_project_setup()
+
+qt_add_executable(fademessage
+    fademessage.cpp fademessage.h
+    main.cpp
+)
+
+set_target_properties(fademessage PROPERTIES
+    WIN32_EXECUTABLE TRUE
+    MACOSX_BUNDLE TRUE
+)
+
+target_link_libraries(fademessage PRIVATE
+    Qt6::Core
+    Qt6::Gui
+    Qt6::Widgets
+)
+
+# Resources:
+set(fademessage_resource_files
+    "background.jpg"
+)
+
+qt_add_resources(fademessage "fademessage"
+    PREFIX
+        "/"
+    FILES
+        ${fademessage_resource_files}
+)
+
+install(TARGETS fademessage
+    RUNTIME DESTINATION "${INSTALL_EXAMPLEDIR}"
+    BUNDLE DESTINATION "${INSTALL_EXAMPLEDIR}"
+    LIBRARY DESTINATION "${INSTALL_EXAMPLEDIR}"
+)

tests/manual/examples/widgets/effects/fademessage/README

@@ -0,0 +1,2 @@
+The background is taken from a public domain photo at:
+http://www.photos8.com/view/windows_problem_blue-800x600.html

tests/manual/examples/widgets/effects/fademessage/fademessage.cpp

@@ -0,0 +1,91 @@
+// Copyright (C) 2016 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
+
+#include "fademessage.h"
+
+#include <QtWidgets>
+
+FadeMessage::FadeMessage(QWidget *parent): QGraphicsView(parent)
+{
+    setScene(&m_scene);
+    setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
+    setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
+
+    setupScene();
+
+    m_animation = new QPropertyAnimation(m_effect, "strength", this);
+    m_animation->setDuration(500);
+    m_animation->setEasingCurve(QEasingCurve::InOutSine);
+    m_animation->setStartValue(0);
+    m_animation->setEndValue(1);
+
+    setRenderHint(QPainter::Antialiasing, true);
+    setFrameStyle(QFrame::NoFrame);
+}
+
+void FadeMessage::togglePopup()
+{
+    if (m_message->isVisible()) {
+        m_message->setVisible(false);
+        m_animation->setDirection(QAbstractAnimation::Backward);
+    } else {
+        m_message->setVisible(true);
+        m_animation->setDirection(QAbstractAnimation::Forward);
+    }
+    m_animation->start();
+}
+
+void FadeMessage::setupScene()
+{
+    QGraphicsRectItem *parent = m_scene.addRect(0, 0, 800, 600);
+    parent->setPen(Qt::NoPen);
+    parent->setZValue(0);
+
+    QGraphicsPixmapItem *bg = m_scene.addPixmap(QPixmap(":/background.jpg"));
+    bg->setParentItem(parent);
+    bg->setZValue(-1);
+
+    for (int i = 1; i < 5; ++i)
+        for (int j = 2; j < 5; ++j) {
+            QGraphicsRectItem *item = m_scene.addRect(i * 50, (j - 1) * 50, 38, 38);
+            item->setParentItem(parent);
+            item->setZValue(1);
+            int hue = 12 * (i * 5 + j);
+            item->setBrush(QColor::fromHsv(hue, 128, 128));
+        }
+
+    QFont font;
+    font.setPointSize(font.pointSize() * 2);
+    font.setBold(true);
+    QFontMetrics fontMetrics(font);
+    int fh = fontMetrics.height();
+
+    QString sceneText = "Qt Everywhere!";
+    int sceneTextWidth = fontMetrics.horizontalAdvance(sceneText);
+
+    QGraphicsRectItem *block = m_scene.addRect(50, 300, sceneTextWidth, fh + 3);
+    block->setPen(Qt::NoPen);
+    block->setBrush(QColor(102, 153, 51));
+
+    QGraphicsTextItem *text = m_scene.addText(sceneText, font);
+    text->setDefaultTextColor(Qt::white);
+    text->setPos(50, 300);
+    block->setZValue(2);
+    block->hide();
+
+    text->setParentItem(block);
+    m_message = block;
+
+    m_effect = new QGraphicsColorizeEffect;
+    m_effect->setColor(QColor(122, 193, 66));
+    m_effect->setStrength(0);
+    m_effect->setEnabled(true);
+    parent->setGraphicsEffect(m_effect);
+
+    QPushButton *press = new QPushButton;
+    press->setText(tr("Press me"));
+    connect(press, &QAbstractButton::clicked, this, &FadeMessage::togglePopup);
+    m_scene.addWidget(press);
+
+    press->move(300, 500);
+}

tests/manual/examples/widgets/effects/fademessage/fademessage.h

@@ -0,0 +1,33 @@
+// Copyright (C) 2016 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
+
+#ifndef FADEMESSAGE_H
+#define FADEMESSAGE_H
+
+#include <QGraphicsEffect>
+#include <QGraphicsView>
+#include <QPropertyAnimation>
+
+#include "fademessage.h"
+
+class FadeMessage: public QGraphicsView
+{
+    Q_OBJECT
+
+public:
+    FadeMessage(QWidget *parent = nullptr);
+
+private:
+    void setupScene();
+
+private slots:
+    void togglePopup();
+
+private:
+    QGraphicsScene m_scene;
+    QGraphicsColorizeEffect *m_effect;
+    QGraphicsItem *m_message;
+    QPropertyAnimation *m_animation;
+};
+
+#endif // FADEMESSAGE_H

tests/manual/examples/widgets/effects/fademessage/fademessage.pro

@@ -0,0 +1,9 @@
+QT += widgets
+
+SOURCES += main.cpp fademessage.cpp
+HEADERS += fademessage.h
+RESOURCES += fademessage.qrc
+
+# install
+target.path = $$[QT_INSTALL_EXAMPLES]/widgets/effects/fademessage
+INSTALLS += target

tests/manual/examples/widgets/effects/fademessage/fademessage.qrc

@@ -0,0 +1,5 @@
+<RCC>
+    <qresource prefix="/" >
+        <file>background.jpg</file>
+    </qresource>
+</RCC>

tests/manual/examples/widgets/effects/fademessage/main.cpp

@@ -0,0 +1,18 @@
+// Copyright (C) 2016 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
+
+#include <QApplication>
+
+#include "fademessage.h"
+
+int main(int argc, char **argv)
+{
+    QApplication app(argc, argv);
+
+    FadeMessage widget;
+    widget.setWindowTitle(QT_TRANSLATE_NOOP(QGraphicsView, "Popup Message with Effect"));
+    widget.setFixedSize(400, 600);
+    widget.show();
+
+    return app.exec();
+}

tests/manual/examples/widgets/graphicsview/embeddeddialogs/CMakeLists.txt

@@ -0,0 +1,50 @@
+# Copyright (C) 2022 The Qt Company Ltd.
+# SPDX-License-Identifier: BSD-3-Clause
+
+cmake_minimum_required(VERSION 3.16)
+project(embeddeddialogs LANGUAGES CXX)
+
+if(NOT DEFINED INSTALL_EXAMPLESDIR)
+    set(INSTALL_EXAMPLESDIR "examples")
+endif()
+
+set(INSTALL_EXAMPLEDIR "${INSTALL_EXAMPLESDIR}/widgets/graphicsview/embeddeddialogs")
+
+find_package(Qt6 REQUIRED COMPONENTS Core Gui Widgets)
+
+qt_standard_project_setup()
+
+qt_add_executable(embeddeddialogs
+    customproxy.cpp customproxy.h
+    embeddeddialog.cpp embeddeddialog.h embeddeddialog.ui
+    main.cpp
+)
+
+set_target_properties(embeddeddialogs PROPERTIES
+    WIN32_EXECUTABLE TRUE
+    MACOSX_BUNDLE TRUE
+)
+
+target_link_libraries(embeddeddialogs PRIVATE
+    Qt6::Core
+    Qt6::Gui
+    Qt6::Widgets
+)
+
+# Resources:
+set(embeddeddialogs_resource_files
+    "No-Ones-Laughing-3.jpg"
+)
+
+qt_add_resources(embeddeddialogs "embeddeddialogs"
+    PREFIX
+        "/"
+    FILES
+        ${embeddeddialogs_resource_files}
+)
+
+install(TARGETS embeddeddialogs
+    RUNTIME DESTINATION "${INSTALL_EXAMPLEDIR}"
+    BUNDLE DESTINATION "${INSTALL_EXAMPLEDIR}"
+    LIBRARY DESTINATION "${INSTALL_EXAMPLEDIR}"
+)

tests/manual/examples/widgets/graphicsview/embeddeddialogs/customproxy.cpp

@@ -0,0 +1,133 @@
+// Copyright (C) 2016 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
+
+#include "customproxy.h"
+
+#include <QGraphicsScene>
+#include <QPainter>
+#include <QStyleOptionGraphicsItem>
+
+CustomProxy::CustomProxy(QGraphicsItem *parent, Qt::WindowFlags wFlags)
+    : QGraphicsProxyWidget(parent, wFlags), timeLine(new QTimeLine(250, this))
+{
+    connect(timeLine, &QTimeLine::valueChanged,
+            this, &CustomProxy::updateStep);
+    connect(timeLine, &QTimeLine::stateChanged,
+            this, &CustomProxy::stateChanged);
+}
+
+QRectF CustomProxy::boundingRect() const
+{
+    return QGraphicsProxyWidget::boundingRect().adjusted(0, 0, 10, 10);
+}
+
+void CustomProxy::paintWindowFrame(QPainter *painter, const QStyleOptionGraphicsItem *option,
+                                   QWidget *widget)
+{
+    const QColor color(0, 0, 0, 64);
+
+    QRectF r = windowFrameRect();
+    QRectF right(r.right(), r.top() + 10, 10, r.height() - 10);
+    QRectF bottom(r.left() + 10, r.bottom(), r.width(), 10);
+    bool intersectsRight = right.intersects(option->exposedRect);
+    bool intersectsBottom = bottom.intersects(option->exposedRect);
+    if (intersectsRight && intersectsBottom) {
+        QPainterPath path;
+        path.addRect(right);
+        path.addRect(bottom);
+        painter->setPen(Qt::NoPen);
+        painter->setBrush(color);
+        painter->drawPath(path);
+    } else if (intersectsBottom) {
+        painter->fillRect(bottom, color);
+    } else if (intersectsRight) {
+        painter->fillRect(right, color);
+    }
+
+    QGraphicsProxyWidget::paintWindowFrame(painter, option, widget);
+}
+
+void CustomProxy::hoverEnterEvent(QGraphicsSceneHoverEvent *event)
+{
+    QGraphicsProxyWidget::hoverEnterEvent(event);
+    scene()->setActiveWindow(this);
+    if (qFuzzyCompare(timeLine->currentValue(), 1))
+        zoomIn();
+}
+
+void CustomProxy::hoverLeaveEvent(QGraphicsSceneHoverEvent *event)
+{
+    QGraphicsProxyWidget::hoverLeaveEvent(event);
+    if (!popupShown
+            && (timeLine->direction() != QTimeLine::Backward || qFuzzyIsNull(timeLine->currentValue()))) {
+        zoomOut();
+    }
+}
+
+bool CustomProxy::sceneEventFilter(QGraphicsItem *watched, QEvent *event)
+{
+    if (watched->isWindow()
+            && (event->type() == QEvent::UngrabMouse || event->type() == QEvent::GrabMouse)) {
+        popupShown = watched->isVisible();
+        if (!popupShown && !isUnderMouse())
+            zoomOut();
+    }
+    return QGraphicsProxyWidget::sceneEventFilter(watched, event);
+}
+
+QVariant CustomProxy::itemChange(GraphicsItemChange change, const QVariant &value)
+{
+    if (change == ItemChildAddedChange || change == ItemChildRemovedChange) {
+        if (change == ItemChildAddedChange) {
+            currentPopup = qvariant_cast<QGraphicsItem *>(value);
+            currentPopup->setCacheMode(ItemCoordinateCache);
+            if (scene())
+                currentPopup->installSceneEventFilter(this);
+        } else if (scene()) {
+            currentPopup->removeSceneEventFilter(this);
+            currentPopup = nullptr;
+        }
+    } else if (currentPopup && change == ItemSceneHasChanged) {
+        currentPopup->installSceneEventFilter(this);
+    }
+    return QGraphicsProxyWidget::itemChange(change, value);
+}
+
+void CustomProxy::updateStep(qreal step)
+{
+    QRectF r = boundingRect();
+    setTransform(QTransform()
+                 .translate(r.width() / 2, r.height() / 2)
+                 .rotate(step * 30, Qt::XAxis)
+                 .rotate(step * 10, Qt::YAxis)
+                 .rotate(step * 5, Qt::ZAxis)
+                 .scale(1 + 1.5 * step, 1 + 1.5 * step)
+                 .translate(-r.width() / 2, -r.height() / 2));
+}
+
+void CustomProxy::stateChanged(QTimeLine::State state)
+{
+    if (state == QTimeLine::Running) {
+        if (timeLine->direction() == QTimeLine::Forward)
+            setCacheMode(ItemCoordinateCache);
+    } else if (state == QTimeLine::NotRunning) {
+        if (timeLine->direction() == QTimeLine::Backward)
+            setCacheMode(DeviceCoordinateCache);
+    }
+}
+
+void CustomProxy::zoomIn()
+{
+    if (timeLine->direction() != QTimeLine::Forward)
+        timeLine->setDirection(QTimeLine::Forward);
+    if (timeLine->state() == QTimeLine::NotRunning)
+        timeLine->start();
+}
+
+void CustomProxy::zoomOut()
+{
+    if (timeLine->direction() != QTimeLine::Backward)
+        timeLine->setDirection(QTimeLine::Backward);
+    if (timeLine->state() == QTimeLine::NotRunning)
+        timeLine->start();
+}

tests/manual/examples/widgets/graphicsview/embeddeddialogs/customproxy.h

@@ -0,0 +1,39 @@
+// Copyright (C) 2016 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
+
+#ifndef CUSTOMPROXY_H
+#define CUSTOMPROXY_H
+
+#include <QTimeLine>
+#include <QGraphicsProxyWidget>
+
+class CustomProxy : public QGraphicsProxyWidget
+{
+    Q_OBJECT
+
+public:
+    explicit CustomProxy(QGraphicsItem *parent = nullptr, Qt::WindowFlags wFlags = { });
+
+    QRectF boundingRect() const override;
+    void paintWindowFrame(QPainter *painter, const QStyleOptionGraphicsItem *option,
+                          QWidget *widget) override;
+
+protected:
+    void hoverEnterEvent(QGraphicsSceneHoverEvent *event) override;
+    void hoverLeaveEvent(QGraphicsSceneHoverEvent *event) override;
+    bool sceneEventFilter(QGraphicsItem *watched, QEvent *event) override;
+    QVariant itemChange(GraphicsItemChange change, const QVariant &value) override;
+
+private slots:
+    void updateStep(qreal step);
+    void stateChanged(QTimeLine::State);
+    void zoomIn();
+    void zoomOut();
+
+private:
+    QTimeLine *timeLine;
+    QGraphicsItem *currentPopup = nullptr;
+    bool popupShown = false;
+};
+
+#endif // CUSTOMPROXY_H

tests/manual/examples/widgets/graphicsview/embeddeddialogs/embeddeddialog.cpp

@@ -0,0 +1,70 @@
+// Copyright (C) 2016 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
+
+#include "embeddeddialog.h"
+#include "ui_embeddeddialog.h"
+
+#include <QStyleFactory>
+
+EmbeddedDialog::EmbeddedDialog(QWidget *parent)
+    : QDialog(parent)
+    , ui(new Ui::EmbeddedDialog)
+{
+    ui->setupUi(this);
+    ui->layoutDirection->setCurrentIndex(layoutDirection() != Qt::LeftToRight);
+
+    const QStringList styleKeys = QStyleFactory::keys();
+    for (const QString &styleName : styleKeys) {
+        ui->style->addItem(styleName);
+        if (style()->objectName().toLower() == styleName.toLower())
+            ui->style->setCurrentIndex(ui->style->count() - 1);
+    }
+
+    connect(ui->layoutDirection, &QComboBox::activated,
+            this, &EmbeddedDialog::layoutDirectionChanged);
+    connect(ui->spacing, &QSlider::valueChanged,
+            this, &EmbeddedDialog::spacingChanged);
+    connect(ui->fontComboBox, &QFontComboBox::currentFontChanged,
+            this, &EmbeddedDialog::fontChanged);
+    connect(ui->style, &QComboBox::textActivated,
+            this, &EmbeddedDialog::styleChanged);
+}
+
+EmbeddedDialog::~EmbeddedDialog()
+{
+    delete ui;
+}
+
+void EmbeddedDialog::layoutDirectionChanged(int index)
+{
+    setLayoutDirection(index == 0 ? Qt::LeftToRight : Qt::RightToLeft);
+}
+
+void EmbeddedDialog::spacingChanged(int spacing)
+{
+    layout()->setSpacing(spacing);
+    adjustSize();
+}
+
+void EmbeddedDialog::fontChanged(const QFont &font)
+{
+    setFont(font);
+}
+
+static void setStyleHelper(QWidget *widget, QStyle *style)
+{
+    widget->setStyle(style);
+    widget->setPalette(style->standardPalette());
+    const QObjectList children = widget->children();
+    for (QObject *child : children) {
+        if (QWidget *childWidget = qobject_cast<QWidget *>(child))
+            setStyleHelper(childWidget, style);
+    }
+}
+
+void EmbeddedDialog::styleChanged(const QString &styleName)
+{
+    QStyle *style = QStyleFactory::create(styleName);
+    if (style)
+        setStyleHelper(this, style);
+}

tests/manual/examples/widgets/graphicsview/embeddeddialogs/embeddeddialog.h

@@ -0,0 +1,33 @@
+// Copyright (C) 2016 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
+
+#ifndef EMBEDDEDDIALOG_H
+#define EMBEDDEDDIALOG_H
+
+#include <QDialog>
+
+QT_BEGIN_NAMESPACE
+namespace Ui {
+class EmbeddedDialog;
+}
+QT_END_NAMESPACE
+
+class EmbeddedDialog : public QDialog
+{
+    Q_OBJECT
+
+public:
+    EmbeddedDialog(QWidget *parent = nullptr);
+    ~EmbeddedDialog();
+
+private slots:
+    void layoutDirectionChanged(int index);
+    void spacingChanged(int spacing);
+    void fontChanged(const QFont &font);
+    void styleChanged(const QString &styleName);
+
+private:
+    Ui::EmbeddedDialog *ui;
+};
+
+#endif // EMBEDDEDDIALOG_H

tests/manual/examples/widgets/graphicsview/embeddeddialogs/embeddeddialog.ui

@@ -0,0 +1,88 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>EmbeddedDialog</class>
+ <widget class="QDialog" name="EmbeddedDialog">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>407</width>
+    <height>134</height>
+   </rect>
+  </property>
+  <property name="windowTitle">
+   <string>Embedded Dialog</string>
+  </property>
+  <layout class="QFormLayout" name="formLayout">
+   <item row="0" column="0">
+    <widget class="QLabel" name="label">
+     <property name="text">
+      <string>Layout Direction:</string>
+     </property>
+     <property name="buddy">
+      <cstring>layoutDirection</cstring>
+     </property>
+    </widget>
+   </item>
+   <item row="0" column="1">
+    <widget class="QComboBox" name="layoutDirection">
+     <item>
+      <property name="text">
+       <string>Left to Right</string>
+      </property>
+     </item>
+     <item>
+      <property name="text">
+       <string>Right to Left</string>
+      </property>
+     </item>
+    </widget>
+   </item>
+   <item row="1" column="0">
+    <widget class="QLabel" name="label_2">
+     <property name="text">
+      <string>Select Font:</string>
+     </property>
+     <property name="buddy">
+      <cstring>fontComboBox</cstring>
+     </property>
+    </widget>
+   </item>
+   <item row="1" column="1">
+    <widget class="QFontComboBox" name="fontComboBox"/>
+   </item>
+   <item row="2" column="0">
+    <widget class="QLabel" name="label_3">
+     <property name="text">
+      <string>Style:</string>
+     </property>
+     <property name="buddy">
+      <cstring>style</cstring>
+     </property>
+    </widget>
+   </item>
+   <item row="2" column="1">
+    <widget class="QComboBox" name="style"/>
+   </item>
+   <item row="3" column="0">
+    <widget class="QLabel" name="label_4">
+     <property name="text">
+      <string>Layout spacing:</string>
+     </property>
+     <property name="buddy">
+      <cstring>spacing</cstring>
+     </property>
+    </widget>
+   </item>
+   <item row="3" column="1">
+    <widget class="QSlider" name="spacing">
+     <property name="orientation">
+      <enum>Qt::Horizontal</enum>
+     </property>
+    </widget>
+   </item>
+  </layout>
+ </widget>
+ <resources/>
+ <connections/>
+</ui>

tests/manual/examples/widgets/graphicsview/embeddeddialogs/embeddeddialogs.pro

@@ -0,0 +1,18 @@
+QT += widgets
+requires(qtConfig(fontcombobox))
+
+SOURCES += main.cpp
+SOURCES += customproxy.cpp embeddeddialog.cpp
+HEADERS += customproxy.h embeddeddialog.h
+
+FORMS += embeddeddialog.ui
+RESOURCES += embeddeddialogs.qrc
+
+build_all:!build_pass {
+    CONFIG -= build_all
+    CONFIG += release
+}
+
+# install
+target.path = $$[QT_INSTALL_EXAMPLES]/widgets/graphicsview/embeddeddialogs
+INSTALLS += target

tests/manual/examples/widgets/graphicsview/embeddeddialogs/embeddeddialogs.qrc

@@ -0,0 +1,5 @@
+<RCC>
+    <qresource>
+        <file>No-Ones-Laughing-3.jpg</file>
+    </qresource>
+</RCC>

tests/manual/examples/widgets/graphicsview/embeddeddialogs/main.cpp

@@ -0,0 +1,42 @@
+// Copyright (C) 2016 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
+
+#include "customproxy.h"
+#include "embeddeddialog.h"
+
+#include <QApplication>
+#include <QGraphicsScene>
+#include <QGraphicsView>
+
+int main(int argc, char *argv[])
+{
+    QApplication app(argc, argv);
+
+    QGraphicsScene scene;
+    scene.setStickyFocus(true);
+    const int gridSize = 10;
+
+    for (int y = 0; y < gridSize; ++y) {
+        for (int x = 0; x < gridSize; ++x) {
+            CustomProxy *proxy = new CustomProxy(nullptr, Qt::Window);
+            proxy->setWidget(new EmbeddedDialog);
+
+            QRectF rect = proxy->boundingRect();
+
+            proxy->setPos(x * rect.width() * 1.05, y * rect.height() * 1.05);
+            proxy->setCacheMode(QGraphicsItem::DeviceCoordinateCache);
+
+            scene.addItem(proxy);
+        }
+    }
+    scene.setSceneRect(scene.itemsBoundingRect());
+
+    QGraphicsView view(&scene);
+    view.scale(0.5, 0.5);
+    view.setRenderHints(view.renderHints() | QPainter::Antialiasing | QPainter::SmoothPixmapTransform);
+    view.setBackgroundBrush(QPixmap(":/No-Ones-Laughing-3.jpg"));
+    view.setViewportUpdateMode(QGraphicsView::BoundingRectViewportUpdate);
+    view.show();
+    view.setWindowTitle("Embedded Dialogs Example");
+    return app.exec();
+}

tests/manual/examples/widgets/graphicsview/flowlayout/CMakeLists.txt

@@ -0,0 +1,38 @@
+# Copyright (C) 2022 The Qt Company Ltd.
+# SPDX-License-Identifier: BSD-3-Clause
+
+cmake_minimum_required(VERSION 3.16)
+project(flowlayout LANGUAGES CXX)
+
+if(NOT DEFINED INSTALL_EXAMPLESDIR)
+    set(INSTALL_EXAMPLESDIR "examples")
+endif()
+
+set(INSTALL_EXAMPLEDIR "${INSTALL_EXAMPLESDIR}/widgets/graphicsview_flowlayout")
+
+find_package(Qt6 REQUIRED COMPONENTS Core Gui Widgets)
+
+qt_standard_project_setup()
+
+qt_add_executable(graphicsview_flowlayout
+    flowlayout.cpp flowlayout.h
+    main.cpp
+    window.cpp window.h
+)
+
+set_target_properties(graphicsview_flowlayout PROPERTIES
+    WIN32_EXECUTABLE TRUE
+    MACOSX_BUNDLE TRUE
+)
+
+target_link_libraries(graphicsview_flowlayout PRIVATE
+    Qt6::Core
+    Qt6::Gui
+    Qt6::Widgets
+)
+
+install(TARGETS graphicsview_flowlayout
+    RUNTIME DESTINATION "${INSTALL_EXAMPLEDIR}"
+    BUNDLE DESTINATION "${INSTALL_EXAMPLEDIR}"
+    LIBRARY DESTINATION "${INSTALL_EXAMPLEDIR}"
+)

tests/manual/examples/widgets/graphicsview/flowlayout/flowlayout.cpp

@@ -0,0 +1,170 @@
+// Copyright (C) 2016 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
+
+#include "flowlayout.h"
+
+#include <QtMath>
+
+FlowLayout::FlowLayout(QGraphicsLayoutItem *parent) : QGraphicsLayout(parent)
+{
+    QSizePolicy sp = sizePolicy();
+    sp.setHeightForWidth(true);
+    setSizePolicy(sp);
+}
+
+void FlowLayout::insertItem(int index, QGraphicsLayoutItem *item)
+{
+    item->setParentLayoutItem(this);
+    if (index > m_items.count() || index < 0)
+        index = m_items.count();
+    m_items.insert(index, item);
+    invalidate();
+}
+
+int FlowLayout::count() const
+{
+    return m_items.count();
+}
+
+QGraphicsLayoutItem *FlowLayout::itemAt(int index) const
+{
+    return m_items.value(index);
+}
+
+void FlowLayout::removeAt(int index)
+{
+    m_items.removeAt(index);
+    invalidate();
+}
+
+qreal FlowLayout::spacing(Qt::Orientation o) const
+{
+    return m_spacing[int(o) - 1];
+}
+
+void FlowLayout::setSpacing(Qt::Orientations o, qreal spacing)
+{
+    if (o & Qt::Horizontal)
+        m_spacing[0] = spacing;
+    if (o & Qt::Vertical)
+        m_spacing[1] = spacing;
+}
+
+void FlowLayout::setGeometry(const QRectF &geom)
+{
+    QGraphicsLayout::setGeometry(geom);
+    doLayout(geom, true);
+}
+
+qreal FlowLayout::doLayout(const QRectF &geom, bool applyNewGeometry) const
+{
+    qreal left, top, right, bottom;
+    getContentsMargins(&left, &top, &right, &bottom);
+    const qreal maxw = geom.width() - left - right;
+
+    qreal x = 0;
+    qreal y = 0;
+    qreal maxRowHeight = 0;
+    QSizeF pref;
+    for (QGraphicsLayoutItem *item : m_items) {
+        pref = item->effectiveSizeHint(Qt::PreferredSize);
+        maxRowHeight = qMax(maxRowHeight, pref.height());
+
+        qreal next_x;
+        next_x = x + pref.width();
+        if (next_x > maxw) {
+            if (qFuzzyIsNull(x)) {
+                pref.setWidth(maxw);
+            } else {
+                x = 0;
+                next_x = pref.width();
+            }
+            y += maxRowHeight + spacing(Qt::Vertical);
+            maxRowHeight = 0;
+        }
+
+        if (applyNewGeometry)
+            item->setGeometry(QRectF(QPointF(left + x, top + y), pref));
+        x = next_x + spacing(Qt::Horizontal);
+    }
+    maxRowHeight = qMax(maxRowHeight, pref.height());
+    return top + y + maxRowHeight + bottom;
+}
+
+QSizeF FlowLayout::minSize(const QSizeF &constraint) const
+{
+    QSizeF size(0, 0);
+    qreal left, top, right, bottom;
+    getContentsMargins(&left, &top, &right, &bottom);
+    if (constraint.width() >= 0) {   // height for width
+        const qreal height = doLayout(QRectF(QPointF(0,0), constraint), false);
+        size = QSizeF(constraint.width(), height);
+    } else if (constraint.height() >= 0) {  // width for height?
+        // not supported
+    } else {
+        for (const QGraphicsLayoutItem *item : std::as_const(m_items))
+            size = size.expandedTo(item->effectiveSizeHint(Qt::MinimumSize));
+        size += QSizeF(left + right, top + bottom);
+    }
+    return size;
+}
+
+QSizeF FlowLayout::prefSize() const
+{
+    qreal left, right;
+    getContentsMargins(&left, nullptr, &right, nullptr);
+
+    qreal maxh = 0;
+    qreal totalWidth = 0;
+    for (const QGraphicsLayoutItem *item : std::as_const(m_items)) {
+        if (totalWidth > 0)
+            totalWidth += spacing(Qt::Horizontal);
+        QSizeF pref = item->effectiveSizeHint(Qt::PreferredSize);
+        totalWidth += pref.width();
+        maxh = qMax(maxh, pref.height());
+    }
+    maxh += spacing(Qt::Vertical);
+
+    const qreal goldenAspectRatio = 1.61803399;
+    qreal w = qSqrt(totalWidth * maxh * goldenAspectRatio) + left + right;
+
+    return minSize(QSizeF(w, -1));
+}
+
+QSizeF FlowLayout::maxSize() const
+{
+    qreal totalWidth = 0;
+    qreal totalHeight = 0;
+    for (const QGraphicsLayoutItem *item : std::as_const(m_items)) {
+        if (totalWidth > 0)
+            totalWidth += spacing(Qt::Horizontal);
+        if (totalHeight > 0)
+            totalHeight += spacing(Qt::Vertical);
+        QSizeF pref = item->effectiveSizeHint(Qt::PreferredSize);
+        totalWidth += pref.width();
+        totalHeight += pref.height();
+    }
+
+    qreal left, top, right, bottom;
+    getContentsMargins(&left, &top, &right, &bottom);
+    return QSizeF(left + totalWidth + right, top + totalHeight + bottom);
+}
+
+QSizeF FlowLayout::sizeHint(Qt::SizeHint which, const QSizeF &constraint) const
+{
+    QSizeF sh = constraint;
+    switch (which) {
+    case Qt::PreferredSize:
+        sh = prefSize();
+        break;
+    case Qt::MinimumSize:
+        sh = minSize(constraint);
+        break;
+    case Qt::MaximumSize:
+        sh = maxSize();
+        break;
+    default:
+        break;
+    }
+    return sh;
+}

tests/manual/examples/widgets/graphicsview/flowlayout/flowlayout.h

@@ -0,0 +1,44 @@
+// Copyright (C) 2016 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
+
+#ifndef FLOWLAYOUT_H
+#define FLOWLAYOUT_H
+
+#include <QGraphicsLayout>
+
+class FlowLayout : public QGraphicsLayout
+{
+public:
+    FlowLayout(QGraphicsLayoutItem *parent = nullptr);
+    inline void addItem(QGraphicsLayoutItem *item);
+    void insertItem(int index, QGraphicsLayoutItem *item);
+    void setSpacing(Qt::Orientations o, qreal spacing);
+    qreal spacing(Qt::Orientation o) const;
+
+    // inherited functions
+    void setGeometry(const QRectF &geom) override;
+
+    int count() const override;
+    QGraphicsLayoutItem *itemAt(int index) const override;
+    void removeAt(int index) override;
+
+protected:
+    QSizeF sizeHint(Qt::SizeHint which, const QSizeF &constraint = QSizeF()) const override;
+
+private:
+    qreal doLayout(const QRectF &geom, bool applyNewGeometry) const;
+    QSizeF minSize(const QSizeF &constraint) const;
+    QSizeF prefSize() const;
+    QSizeF maxSize() const;
+
+    QList<QGraphicsLayoutItem *> m_items;
+    qreal m_spacing[2] = {6, 6};
+};
+
+
+inline void FlowLayout::addItem(QGraphicsLayoutItem *item)
+{
+    insertItem(-1, item);
+}
+
+#endif // FLOWLAYOUT_H

tests/manual/examples/widgets/graphicsview/flowlayout/flowlayout.pro

@@ -0,0 +1,10 @@
+QT += widgets
+
+QMAKE_PROJECT_NAME = flowlayout_graphicsview
+
+HEADERS += flowlayout.h window.h
+SOURCES += flowlayout.cpp main.cpp window.cpp
+
+# install
+target.path = $$[QT_INSTALL_EXAMPLES]/widgets/graphicsview/flowlayout
+INSTALLS += target

tests/manual/examples/widgets/graphicsview/flowlayout/main.cpp

@@ -0,0 +1,24 @@
+// Copyright (C) 2016 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
+//! [1]
+#include "window.h"
+
+#include <QApplication>
+#include <QGraphicsView>
+
+
+int main(int argc, char *argv[])
+{
+    QApplication app(argc, argv);
+
+    QGraphicsScene scene;
+    QGraphicsView view(&scene);
+    Window *w = new Window;
+    scene.addItem(w);
+
+    view.resize(400, 300);
+    view.show();
+
+    return app.exec();
+}
+//! [1]

tests/manual/examples/widgets/graphicsview/flowlayout/window.cpp

@@ -0,0 +1,24 @@
+// Copyright (C) 2016 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
+
+#include "window.h"
+#include "flowlayout.h"
+
+#include <QGraphicsProxyWidget>
+#include <QLabel>
+
+Window::Window(QGraphicsItem *parent) : QGraphicsWidget(parent, Qt::Window)
+{
+    FlowLayout *lay = new FlowLayout;
+    const QString sentence(QLatin1String("I am not bothered by the fact that I am unknown."
+                                         " I am bothered when I do not know others. (Confucius)"));
+    const QList<QStringView> words = QStringView{ sentence }.split(QLatin1Char(' '), Qt::SkipEmptyParts);
+    for (const QStringView &word : words) {
+        QGraphicsProxyWidget *proxy = new QGraphicsProxyWidget(this);
+        QLabel *label = new QLabel(word.toString());
+        label->setFrameStyle(QFrame::Box | QFrame::Plain);
+        proxy->setWidget(label);
+        lay->addItem(proxy);
+    }
+    setLayout(lay);
+}

tests/manual/examples/widgets/graphicsview/flowlayout/window.h

@@ -0,0 +1,16 @@
+// Copyright (C) 2016 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
+
+#ifndef WINDOW_H
+#define WINDOW_H
+
+#include <QGraphicsWidget>
+
+class Window : public QGraphicsWidget
+{
+    Q_OBJECT
+public:
+    Window(QGraphicsItem *parent = nullptr);
+};
+
+#endif // WINDOW_H

tests/manual/examples/widgets/itemviews/chart/CMakeLists.txt

@@ -0,0 +1,56 @@
+# Copyright (C) 2022 The Qt Company Ltd.
+# SPDX-License-Identifier: BSD-3-Clause
+
+cmake_minimum_required(VERSION 3.16)
+project(chart LANGUAGES CXX)
+
+if(NOT DEFINED INSTALL_EXAMPLESDIR)
+    set(INSTALL_EXAMPLESDIR "examples")
+endif()
+
+set(INSTALL_EXAMPLEDIR "${INSTALL_EXAMPLESDIR}/widgets/itemviews/chart")
+
+find_package(Qt6 REQUIRED COMPONENTS Core Gui Widgets)
+
+qt_standard_project_setup()
+
+qt_add_executable(chart
+    main.cpp
+    mainwindow.cpp mainwindow.h
+    pieview.cpp pieview.h
+)
+
+set_target_properties(chart PROPERTIES
+    WIN32_EXECUTABLE TRUE
+    MACOSX_BUNDLE TRUE
+)
+
+target_link_libraries(chart PRIVATE
+    Qt6::Core
+    Qt6::Gui
+    Qt6::Widgets
+)
+
+# Resources:
+set(chart_resource_files
+    "qtdata.cht"
+)
+
+qt_add_resources(chart "chart"
+    PREFIX
+        "/Charts"
+    FILES
+        ${chart_resource_files}
+)
+
+if(UNIX AND NOT APPLE AND NOT HAIKU AND NOT INTEGRITY AND NOT VXWORKS)
+    target_link_libraries(chart PRIVATE
+        m
+    )
+endif()
+
+install(TARGETS chart
+    RUNTIME DESTINATION "${INSTALL_EXAMPLEDIR}"
+    BUNDLE DESTINATION "${INSTALL_EXAMPLEDIR}"
+    LIBRARY DESTINATION "${INSTALL_EXAMPLEDIR}"
+)

tests/manual/examples/widgets/itemviews/chart/chart.pro

@@ -0,0 +1,14 @@
+QT += widgets
+requires(qtConfig(filedialog))
+
+HEADERS     = mainwindow.h \
+              pieview.h
+RESOURCES   = chart.qrc
+SOURCES     = main.cpp \
+              mainwindow.cpp \
+              pieview.cpp
+unix:!mac:!vxworks:!integrity:!haiku:LIBS += -lm
+
+# install
+target.path = $$[QT_INSTALL_EXAMPLES]/widgets/itemviews/chart
+INSTALLS += target

tests/manual/examples/widgets/itemviews/chart/chart.qrc

@@ -0,0 +1,5 @@
+<!DOCTYPE RCC><RCC version="1.0">
+<qresource prefix="/Charts" >
+   <file>qtdata.cht</file>
+</qresource>
+</RCC>

tests/manual/examples/widgets/itemviews/chart/main.cpp

@@ -0,0 +1,14 @@
+// Copyright (C) 2016 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
+
+#include <QApplication>
+
+#include "mainwindow.h"
+
+int main(int argc, char *argv[])
+{
+    QApplication app(argc, argv);
+    MainWindow window;
+    window.show();
+    return app.exec();
+}

tests/manual/examples/widgets/itemviews/chart/mainwindow.cpp

@@ -0,0 +1,136 @@
+// Copyright (C) 2016 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
+
+#include "pieview.h"
+#include "mainwindow.h"
+
+#include <QtWidgets>
+
+MainWindow::MainWindow(QWidget *parent)
+    : QMainWindow(parent)
+{
+    QMenu *fileMenu = new QMenu(tr("&File"), this);
+    QAction *openAction = fileMenu->addAction(tr("&Open..."));
+    openAction->setShortcuts(QKeySequence::Open);
+    QAction *saveAction = fileMenu->addAction(tr("&Save As..."));
+    saveAction->setShortcuts(QKeySequence::SaveAs);
+    QAction *quitAction = fileMenu->addAction(tr("E&xit"));
+    quitAction->setShortcuts(QKeySequence::Quit);
+
+    setupModel();
+    setupViews();
+
+    connect(openAction, &QAction::triggered, this, &MainWindow::openFile);
+    connect(saveAction, &QAction::triggered, this, &MainWindow::saveFile);
+    connect(quitAction, &QAction::triggered, qApp, &QCoreApplication::quit);
+
+    menuBar()->addMenu(fileMenu);
+    statusBar();
+
+    loadFile(":/Charts/qtdata.cht");
+
+    setWindowTitle(tr("Chart"));
+    resize(870, 550);
+}
+
+void MainWindow::setupModel()
+{
+    model = new QStandardItemModel(8, 2, this);
+    model->setHeaderData(0, Qt::Horizontal, tr("Label"));
+    model->setHeaderData(1, Qt::Horizontal, tr("Quantity"));
+}
+
+void MainWindow::setupViews()
+{
+    QSplitter *splitter = new QSplitter;
+    QTableView *table = new QTableView;
+    pieChart = new PieView;
+    splitter->addWidget(table);
+    splitter->addWidget(pieChart);
+    splitter->setStretchFactor(0, 0);
+    splitter->setStretchFactor(1, 1);
+
+    table->setModel(model);
+    pieChart->setModel(model);
+
+    QItemSelectionModel *selectionModel = new QItemSelectionModel(model);
+    table->setSelectionModel(selectionModel);
+    pieChart->setSelectionModel(selectionModel);
+
+    QHeaderView *headerView = table->horizontalHeader();
+    headerView->setStretchLastSection(true);
+
+    setCentralWidget(splitter);
+}
+
+void MainWindow::openFile()
+{
+    const QString fileName =
+        QFileDialog::getOpenFileName(this, tr("Choose a data file"), "", "*.cht");
+    if (!fileName.isEmpty())
+        loadFile(fileName);
+}
+
+void MainWindow::loadFile(const QString &fileName)
+{
+    QFile file(fileName);
+    if (!file.open(QFile::ReadOnly | QFile::Text))
+        return;
+
+    QTextStream stream(&file);
+
+    model->removeRows(0, model->rowCount(QModelIndex()), QModelIndex());
+
+    int row = 0;
+    while (!stream.atEnd()) {
+        const QString line = stream.readLine();
+        if (!line.isEmpty()) {
+            model->insertRows(row, 1, QModelIndex());
+
+            const QStringList pieces = line.split(QLatin1Char(','), Qt::SkipEmptyParts);
+            if (pieces.size() < 3)
+                continue;
+            model->setData(model->index(row, 0, QModelIndex()),
+                           pieces.value(0));
+            model->setData(model->index(row, 1, QModelIndex()),
+                           pieces.value(1));
+            model->setData(model->index(row, 0, QModelIndex()),
+                           QColor(pieces.value(2)), Qt::DecorationRole);
+            row++;
+        }
+    };
+
+    file.close();
+    statusBar()->showMessage(tr("Loaded %1").arg(fileName), 2000);
+}
+
+void MainWindow::saveFile()
+{
+    QString fileName = QFileDialog::getSaveFileName(this,
+        tr("Save file as"), "", "*.cht");
+
+    if (fileName.isEmpty())
+        return;
+
+    QFile file(fileName);
+    if (!file.open(QFile::WriteOnly | QFile::Text))
+        return;
+
+    QTextStream stream(&file);
+    for (int row = 0; row < model->rowCount(QModelIndex()); ++row) {
+
+        QStringList pieces;
+
+        pieces.append(model->data(model->index(row, 0, QModelIndex()),
+                                  Qt::DisplayRole).toString());
+        pieces.append(model->data(model->index(row, 1, QModelIndex()),
+                                  Qt::DisplayRole).toString());
+        pieces.append(model->data(model->index(row, 0, QModelIndex()),
+                                  Qt::DecorationRole).toString());
+
+        stream << pieces.join(',') << "\n";
+    }
+
+    file.close();
+    statusBar()->showMessage(tr("Saved %1").arg(fileName), 2000);
+}

tests/manual/examples/widgets/itemviews/chart/mainwindow.h

@@ -0,0 +1,34 @@
+// Copyright (C) 2016 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 QAbstractItemModel;
+class QAbstractItemView;
+QT_END_NAMESPACE
+
+class MainWindow : public QMainWindow
+{
+    Q_OBJECT
+
+public:
+    MainWindow(QWidget *parent = nullptr);
+
+private slots:
+    void openFile();
+    void saveFile();
+
+private:
+    void setupModel();
+    void setupViews();
+    void loadFile(const QString &path);
+
+    QAbstractItemModel *model = nullptr;
+    QAbstractItemView *pieChart = nullptr;
+};
+
+#endif // MAINWINDOW_H

tests/manual/examples/widgets/itemviews/chart/pieview.cpp

@@ -0,0 +1,506 @@
+// Copyright (C) 2016 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
+
+#include "pieview.h"
+
+#include <QtWidgets>
+
+PieView::PieView(QWidget *parent)
+    : QAbstractItemView(parent)
+{
+    horizontalScrollBar()->setRange(0, 0);
+    verticalScrollBar()->setRange(0, 0);
+}
+
+void PieView::dataChanged(const QModelIndex &topLeft, const QModelIndex &bottomRight,
+                          const QList<int> &roles)
+{
+    QAbstractItemView::dataChanged(topLeft, bottomRight, roles);
+
+    if (!roles.contains(Qt::DisplayRole))
+        return;
+
+    validItems = 0;
+    totalValue = 0.0;
+
+    for (int row = 0; row < model()->rowCount(rootIndex()); ++row) {
+
+        QModelIndex index = model()->index(row, 1, rootIndex());
+        double value = model()->data(index, Qt::DisplayRole).toDouble();
+
+        if (value > 0.0) {
+            totalValue += value;
+            validItems++;
+        }
+    }
+    viewport()->update();
+}
+
+bool PieView::edit(const QModelIndex &index, EditTrigger trigger, QEvent *event)
+{
+    if (index.column() == 0)
+        return QAbstractItemView::edit(index, trigger, event);
+    else
+        return false;
+}
+
+/*
+    Returns the item that covers the coordinate given in the view.
+*/
+
+QModelIndex PieView::indexAt(const QPoint &point) const
+{
+    if (validItems == 0)
+        return QModelIndex();
+
+    // Transform the view coordinates into contents widget coordinates.
+    int wx = point.x() + horizontalScrollBar()->value();
+    int wy = point.y() + verticalScrollBar()->value();
+
+    if (wx < totalSize) {
+        double cx = wx - totalSize / 2;
+        double cy = totalSize / 2 - wy; // positive cy for items above the center
+
+        // Determine the distance from the center point of the pie chart.
+        double d = std::sqrt(std::pow(cx, 2) + std::pow(cy, 2));
+
+        if (d == 0 || d > pieSize / 2)
+            return QModelIndex();
+
+        // Determine the angle of the point.
+        double angle = qRadiansToDegrees(std::atan2(cy, cx));
+        if (angle < 0)
+            angle = 360 + angle;
+
+        // Find the relevant slice of the pie.
+        double startAngle = 0.0;
+
+        for (int row = 0; row < model()->rowCount(rootIndex()); ++row) {
+
+            QModelIndex index = model()->index(row, 1, rootIndex());
+            double value = model()->data(index).toDouble();
+
+            if (value > 0.0) {
+                double sliceAngle = 360 * value / totalValue;
+
+                if (angle >= startAngle && angle < (startAngle + sliceAngle))
+                    return model()->index(row, 1, rootIndex());
+
+                startAngle += sliceAngle;
+            }
+        }
+    } else {
+        QStyleOptionViewItem option;
+        initViewItemOption(&option);
+        double itemHeight = QFontMetrics(option.font).height();
+        int listItem = int((wy - margin) / itemHeight);
+        int validRow = 0;
+
+        for (int row = 0; row < model()->rowCount(rootIndex()); ++row) {
+
+            QModelIndex index = model()->index(row, 1, rootIndex());
+            if (model()->data(index).toDouble() > 0.0) {
+
+                if (listItem == validRow)
+                    return model()->index(row, 0, rootIndex());
+
+                // Update the list index that corresponds to the next valid row.
+                ++validRow;
+            }
+        }
+    }
+
+    return QModelIndex();
+}
+
+bool PieView::isIndexHidden(const QModelIndex & /*index*/) const
+{
+    return false;
+}
+
+/*
+    Returns the rectangle of the item at position \a index in the
+    model. The rectangle is in contents coordinates.
+*/
+
+QRect PieView::itemRect(const QModelIndex &index) const
+{
+    if (!index.isValid())
+        return QRect();
+
+    // Check whether the index's row is in the list of rows represented
+    // by slices.
+    QModelIndex valueIndex;
+
+    if (index.column() != 1)
+        valueIndex = model()->index(index.row(), 1, rootIndex());
+    else
+        valueIndex = index;
+
+    if (model()->data(valueIndex).toDouble() <= 0.0)
+        return QRect();
+
+    int listItem = 0;
+    for (int row = index.row()-1; row >= 0; --row) {
+        if (model()->data(model()->index(row, 1, rootIndex())).toDouble() > 0.0)
+            listItem++;
+    }
+
+    switch (index.column()) {
+    case 0: {
+        QStyleOptionViewItem option;
+        initViewItemOption(&option);
+        const qreal itemHeight = QFontMetricsF(option.font).height();
+        return QRect(totalSize,
+                     qRound(margin + listItem * itemHeight),
+                     totalSize - margin, qRound(itemHeight));
+    }
+    case 1:
+        return viewport()->rect();
+    }
+    return QRect();
+}
+
+QRegion PieView::itemRegion(const QModelIndex &index) const
+{
+    if (!index.isValid())
+        return QRegion();
+
+    if (index.column() != 1)
+        return itemRect(index);
+
+    if (model()->data(index).toDouble() <= 0.0)
+        return QRegion();
+
+    double startAngle = 0.0;
+    for (int row = 0; row < model()->rowCount(rootIndex()); ++row) {
+
+        QModelIndex sliceIndex = model()->index(row, 1, rootIndex());
+        double value = model()->data(sliceIndex).toDouble();
+
+        if (value > 0.0) {
+            double angle = 360 * value / totalValue;
+
+            if (sliceIndex == index) {
+                QPainterPath slicePath;
+                slicePath.moveTo(totalSize / 2, totalSize / 2);
+                slicePath.arcTo(margin, margin, margin + pieSize, margin + pieSize,
+                                startAngle, angle);
+                slicePath.closeSubpath();
+
+                return QRegion(slicePath.toFillPolygon().toPolygon());
+            }
+
+            startAngle += angle;
+        }
+    }
+
+    return QRegion();
+}
+
+int PieView::horizontalOffset() const
+{
+    return horizontalScrollBar()->value();
+}
+
+void PieView::mousePressEvent(QMouseEvent *event)
+{
+    QAbstractItemView::mousePressEvent(event);
+    origin = event->position().toPoint();
+    if (!rubberBand)
+        rubberBand = new QRubberBand(QRubberBand::Rectangle, viewport());
+    rubberBand->setGeometry(QRect(origin, QSize()));
+    rubberBand->show();
+}
+
+void PieView::mouseMoveEvent(QMouseEvent *event)
+{
+    if (rubberBand)
+        rubberBand->setGeometry(QRect(origin, event->position().toPoint()).normalized());
+    QAbstractItemView::mouseMoveEvent(event);
+}
+
+void PieView::mouseReleaseEvent(QMouseEvent *event)
+{
+    QAbstractItemView::mouseReleaseEvent(event);
+    if (rubberBand)
+        rubberBand->hide();
+    viewport()->update();
+}
+
+QModelIndex PieView::moveCursor(QAbstractItemView::CursorAction cursorAction,
+                                Qt::KeyboardModifiers /*modifiers*/)
+{
+    QModelIndex current = currentIndex();
+
+    switch (cursorAction) {
+        case MoveLeft:
+        case MoveUp:
+            if (current.row() > 0)
+                current = model()->index(current.row() - 1, current.column(),
+                                         rootIndex());
+            else
+                current = model()->index(0, current.column(), rootIndex());
+            break;
+        case MoveRight:
+        case MoveDown:
+            if (current.row() < rows(current) - 1)
+                current = model()->index(current.row() + 1, current.column(),
+                                         rootIndex());
+            else
+                current = model()->index(rows(current) - 1, current.column(),
+                                         rootIndex());
+            break;
+        default:
+            break;
+    }
+
+    viewport()->update();
+    return current;
+}
+
+void PieView::paintEvent(QPaintEvent *event)
+{
+    QItemSelectionModel *selections = selectionModel();
+    QStyleOptionViewItem option;
+    initViewItemOption(&option);
+
+    QBrush background = option.palette.base();
+    QPen foreground(option.palette.color(QPalette::WindowText));
+
+    QPainter painter(viewport());
+    painter.setRenderHint(QPainter::Antialiasing);
+
+    painter.fillRect(event->rect(), background);
+    painter.setPen(foreground);
+
+    // Viewport rectangles
+    QRect pieRect = QRect(margin, margin, pieSize, pieSize);
+
+    if (validItems <= 0)
+        return;
+
+    painter.save();
+    painter.translate(pieRect.x() - horizontalScrollBar()->value(),
+                      pieRect.y() - verticalScrollBar()->value());
+    painter.drawEllipse(0, 0, pieSize, pieSize);
+    double startAngle = 0.0;
+    int row;
+
+    for (row = 0; row < model()->rowCount(rootIndex()); ++row) {
+        QModelIndex index = model()->index(row, 1, rootIndex());
+        double value = model()->data(index).toDouble();
+
+        if (value > 0.0) {
+            double angle = 360 * value / totalValue;
+
+            QModelIndex colorIndex = model()->index(row, 0, rootIndex());
+            QColor color = QColor(model()->data(colorIndex, Qt::DecorationRole).toString());
+
+            if (currentIndex() == index)
+                painter.setBrush(QBrush(color, Qt::Dense4Pattern));
+            else if (selections->isSelected(index))
+                painter.setBrush(QBrush(color, Qt::Dense3Pattern));
+            else
+                painter.setBrush(QBrush(color));
+
+            painter.drawPie(0, 0, pieSize, pieSize, int(startAngle*16), int(angle*16));
+
+            startAngle += angle;
+        }
+    }
+    painter.restore();
+
+    for (row = 0; row < model()->rowCount(rootIndex()); ++row) {
+        QModelIndex index = model()->index(row, 1, rootIndex());
+        double value = model()->data(index).toDouble();
+
+        if (value > 0.0) {
+            QModelIndex labelIndex = model()->index(row, 0, rootIndex());
+
+            QStyleOptionViewItem option;
+            initViewItemOption(&option);
+
+            option.rect = visualRect(labelIndex);
+            if (selections->isSelected(labelIndex))
+                option.state |= QStyle::State_Selected;
+            if (currentIndex() == labelIndex)
+                option.state |= QStyle::State_HasFocus;
+            itemDelegate()->paint(&painter, option, labelIndex);
+        }
+    }
+}
+
+void PieView::resizeEvent(QResizeEvent * /* event */)
+{
+    updateGeometries();
+}
+
+int PieView::rows(const QModelIndex &index) const
+{
+    return model()->rowCount(model()->parent(index));
+}
+
+void PieView::rowsInserted(const QModelIndex &parent, int start, int end)
+{
+    for (int row = start; row <= end; ++row) {
+        QModelIndex index = model()->index(row, 1, rootIndex());
+        double value = model()->data(index).toDouble();
+
+        if (value > 0.0) {
+            totalValue += value;
+            ++validItems;
+        }
+    }
+
+    QAbstractItemView::rowsInserted(parent, start, end);
+}
+
+void PieView::rowsAboutToBeRemoved(const QModelIndex &parent, int start, int end)
+{
+    for (int row = start; row <= end; ++row) {
+        QModelIndex index = model()->index(row, 1, rootIndex());
+        double value = model()->data(index).toDouble();
+        if (value > 0.0) {
+            totalValue -= value;
+            --validItems;
+        }
+    }
+
+    QAbstractItemView::rowsAboutToBeRemoved(parent, start, end);
+}
+
+void PieView::scrollContentsBy(int dx, int dy)
+{
+    viewport()->scroll(dx, dy);
+}
+
+void PieView::scrollTo(const QModelIndex &index, ScrollHint)
+{
+    QRect area = viewport()->rect();
+    QRect rect = visualRect(index);
+
+    if (rect.left() < area.left()) {
+        horizontalScrollBar()->setValue(
+            horizontalScrollBar()->value() + rect.left() - area.left());
+    } else if (rect.right() > area.right()) {
+        horizontalScrollBar()->setValue(
+            horizontalScrollBar()->value() + qMin(
+                rect.right() - area.right(), rect.left() - area.left()));
+    }
+
+    if (rect.top() < area.top()) {
+        verticalScrollBar()->setValue(
+            verticalScrollBar()->value() + rect.top() - area.top());
+    } else if (rect.bottom() > area.bottom()) {
+        verticalScrollBar()->setValue(
+            verticalScrollBar()->value() + qMin(
+                rect.bottom() - area.bottom(), rect.top() - area.top()));
+    }
+
+    update();
+}
+
+/*
+    Find the indices corresponding to the extent of the selection.
+*/
+
+void PieView::setSelection(const QRect &rect, QItemSelectionModel::SelectionFlags command)
+{
+    // Use content widget coordinates because we will use the itemRegion()
+    // function to check for intersections.
+
+    QRect contentsRect = rect.translated(
+                            horizontalScrollBar()->value(),
+                            verticalScrollBar()->value()).normalized();
+
+    int rows = model()->rowCount(rootIndex());
+    int columns = model()->columnCount(rootIndex());
+    QModelIndexList indexes;
+
+    for (int row = 0; row < rows; ++row) {
+        for (int column = 0; column < columns; ++column) {
+            QModelIndex index = model()->index(row, column, rootIndex());
+            QRegion region = itemRegion(index);
+            if (region.intersects(contentsRect))
+                indexes.append(index);
+        }
+    }
+
+    if (indexes.size() > 0) {
+        int firstRow = indexes.at(0).row();
+        int lastRow = firstRow;
+        int firstColumn = indexes.at(0).column();
+        int lastColumn = firstColumn;
+
+        for (int i = 1; i < indexes.size(); ++i) {
+            firstRow = qMin(firstRow, indexes.at(i).row());
+            lastRow = qMax(lastRow, indexes.at(i).row());
+            firstColumn = qMin(firstColumn, indexes.at(i).column());
+            lastColumn = qMax(lastColumn, indexes.at(i).column());
+        }
+
+        QItemSelection selection(
+            model()->index(firstRow, firstColumn, rootIndex()),
+            model()->index(lastRow, lastColumn, rootIndex()));
+        selectionModel()->select(selection, command);
+    } else {
+        QModelIndex noIndex;
+        QItemSelection selection(noIndex, noIndex);
+        selectionModel()->select(selection, command);
+    }
+
+    update();
+}
+
+void PieView::updateGeometries()
+{
+    horizontalScrollBar()->setPageStep(viewport()->width());
+    horizontalScrollBar()->setRange(0, qMax(0, 2 * totalSize - viewport()->width()));
+    verticalScrollBar()->setPageStep(viewport()->height());
+    verticalScrollBar()->setRange(0, qMax(0, totalSize - viewport()->height()));
+}
+
+int PieView::verticalOffset() const
+{
+    return verticalScrollBar()->value();
+}
+
+/*
+    Returns the position of the item in viewport coordinates.
+*/
+
+QRect PieView::visualRect(const QModelIndex &index) const
+{
+    QRect rect = itemRect(index);
+    if (!rect.isValid())
+        return rect;
+
+    return QRect(rect.left() - horizontalScrollBar()->value(),
+                 rect.top() - verticalScrollBar()->value(),
+                 rect.width(), rect.height());
+}
+
+/*
+    Returns a region corresponding to the selection in viewport coordinates.
+*/
+
+QRegion PieView::visualRegionForSelection(const QItemSelection &selection) const
+{
+    int ranges = selection.count();
+
+    if (ranges == 0)
+        return QRect();
+
+    QRegion region;
+    for (int i = 0; i < ranges; ++i) {
+        const QItemSelectionRange &range = selection.at(i);
+        for (int row = range.top(); row <= range.bottom(); ++row) {
+            for (int col = range.left(); col <= range.right(); ++col) {
+                QModelIndex index = model()->index(row, col, rootIndex());
+                region += visualRect(index);
+            }
+        }
+    }
+    return region;
+}

tests/manual/examples/widgets/itemviews/chart/pieview.h

@@ -0,0 +1,66 @@
+// Copyright (C) 2016 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
+
+#ifndef PIEVIEW_H
+#define PIEVIEW_H
+
+#include <QAbstractItemView>
+
+//! [0]
+class PieView : public QAbstractItemView
+{
+    Q_OBJECT
+
+public:
+    PieView(QWidget *parent = nullptr);
+
+    QRect visualRect(const QModelIndex &index) const override;
+    void scrollTo(const QModelIndex &index, ScrollHint hint = EnsureVisible) override;
+    QModelIndex indexAt(const QPoint &point) const override;
+
+protected slots:
+    void dataChanged(const QModelIndex &topLeft, const QModelIndex &bottomRight,
+                     const QList<int> &roles = QList<int>()) override;
+    void rowsInserted(const QModelIndex &parent, int start, int end) override;
+    void rowsAboutToBeRemoved(const QModelIndex &parent, int start, int end) override;
+
+protected:
+    bool edit(const QModelIndex &index, EditTrigger trigger, QEvent *event) override;
+    QModelIndex moveCursor(QAbstractItemView::CursorAction cursorAction,
+                           Qt::KeyboardModifiers modifiers) override;
+
+    int horizontalOffset() const override;
+    int verticalOffset() const override;
+
+    bool isIndexHidden(const QModelIndex &index) const override;
+
+    void setSelection(const QRect&, QItemSelectionModel::SelectionFlags command) override;
+
+    void mousePressEvent(QMouseEvent *event) override;
+
+    void mouseMoveEvent(QMouseEvent *event) override;
+    void mouseReleaseEvent(QMouseEvent *event) override;
+
+    void paintEvent(QPaintEvent *event) override;
+    void resizeEvent(QResizeEvent *event) override;
+    void scrollContentsBy(int dx, int dy) override;
+
+    QRegion visualRegionForSelection(const QItemSelection &selection) const override;
+
+private:
+    QRect itemRect(const QModelIndex &item) const;
+    QRegion itemRegion(const QModelIndex &index) const;
+    int rows(const QModelIndex &index = QModelIndex()) const;
+    void updateGeometries() override;
+
+    int margin = 0;
+    int totalSize = 300;
+    int pieSize = totalSize - 2 * margin;
+    int validItems = 0;
+    double totalValue = 0.0;
+    QRubberBand *rubberBand = nullptr;
+    QPoint origin;
+};
+//! [0]
+
+#endif // PIEVIEW_H

tests/manual/examples/widgets/itemviews/chart/qtdata.cht

@@ -0,0 +1,14 @@
+Scientific Research,21,#99e600
+Engineering & Design,18,#99cc00
+Automotive,14,#99b300
+Aerospace,13,#9f991a
+Automation & Machine Tools,13,#a48033
+Medical & Bioinformatics,13,#a9664d
+Imaging & Special Effects,12,#ae4d66
+Defense,11,#b33380
+Test & Measurement Systems,9,#a64086
+Oil & Gas,9,#994d8d
+Entertainment & Broadcasting,7,#8d5a93
+Financial,6,#806699
+Consumer Electronics,4,#8073a6
+Other,38,#8080b3

tests/manual/examples/widgets/itemviews/dirview/CMakeLists.txt

@@ -0,0 +1,36 @@
+# Copyright (C) 2022 The Qt Company Ltd.
+# SPDX-License-Identifier: BSD-3-Clause
+
+cmake_minimum_required(VERSION 3.16)
+project(dirview LANGUAGES CXX)
+
+if(NOT DEFINED INSTALL_EXAMPLESDIR)
+    set(INSTALL_EXAMPLESDIR "examples")
+endif()
+
+set(INSTALL_EXAMPLEDIR "${INSTALL_EXAMPLESDIR}/widgets/itemviews/dirview")
+
+find_package(Qt6 REQUIRED COMPONENTS Core Gui Widgets)
+
+qt_standard_project_setup()
+
+qt_add_executable(dirview
+    main.cpp
+)
+
+set_target_properties(dirview PROPERTIES
+    WIN32_EXECUTABLE TRUE
+    MACOSX_BUNDLE TRUE
+)
+
+target_link_libraries(dirview PRIVATE
+    Qt6::Core
+    Qt6::Gui
+    Qt6::Widgets
+)
+
+install(TARGETS dirview
+    RUNTIME DESTINATION "${INSTALL_EXAMPLEDIR}"
+    BUNDLE DESTINATION "${INSTALL_EXAMPLEDIR}"
+    LIBRARY DESTINATION "${INSTALL_EXAMPLEDIR}"
+)

tests/manual/examples/widgets/itemviews/dirview/dirview.pro

@@ -0,0 +1,8 @@
+QT += widgets
+requires(qtConfig(treeview))
+
+SOURCES       = main.cpp
+
+# install
+target.path = $$[QT_INSTALL_EXAMPLES]/widgets/itemviews/dirview
+INSTALLS += target

tests/manual/examples/widgets/itemviews/dirview/main.cpp

@@ -0,0 +1,62 @@
+// Copyright (C) 2020 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
+
+#include <QApplication>
+#include <QFileSystemModel>
+#include <QFileIconProvider>
+#include <QScreen>
+#include <QScroller>
+#include <QTreeView>
+#include <QCommandLineParser>
+#include <QCommandLineOption>
+
+int main(int argc, char *argv[])
+{
+    QApplication app(argc, argv);
+
+    QCoreApplication::setApplicationVersion(QT_VERSION_STR);
+    QCommandLineParser parser;
+    parser.setApplicationDescription("Qt Dir View Example");
+    parser.addHelpOption();
+    parser.addVersionOption();
+    QCommandLineOption dontUseCustomDirectoryIconsOption("c", "Set QFileSystemModel::DontUseCustomDirectoryIcons");
+    parser.addOption(dontUseCustomDirectoryIconsOption);
+    QCommandLineOption dontWatchOption("w", "Set QFileSystemModel::DontWatch");
+    parser.addOption(dontWatchOption);
+    parser.addPositionalArgument("directory", "The directory to start in.");
+    parser.process(app);
+    const QString rootPath = parser.positionalArguments().isEmpty()
+        ? QString() : parser.positionalArguments().first();
+
+    QFileSystemModel model;
+    QFileIconProvider iconProvider;
+    model.setIconProvider(&iconProvider);
+    model.setRootPath("");
+    if (parser.isSet(dontUseCustomDirectoryIconsOption))
+        model.setOption(QFileSystemModel::DontUseCustomDirectoryIcons);
+    if (parser.isSet(dontWatchOption))
+        model.setOption(QFileSystemModel::DontWatchForChanges);
+    QTreeView tree;
+    tree.setModel(&model);
+    if (!rootPath.isEmpty()) {
+        const QModelIndex rootIndex = model.index(QDir::cleanPath(rootPath));
+        if (rootIndex.isValid())
+            tree.setRootIndex(rootIndex);
+    }
+
+    // Demonstrating look and feel features
+    tree.setAnimated(false);
+    tree.setIndentation(20);
+    tree.setSortingEnabled(true);
+    const QSize availableSize = tree.screen()->availableGeometry().size();
+    tree.resize(availableSize / 2);
+    tree.setColumnWidth(0, tree.width() / 3);
+
+    // Make it flickable on touchscreens
+    QScroller::grabGesture(&tree, QScroller::TouchGesture);
+
+    tree.setWindowTitle(QObject::tr("Dir View"));
+    tree.show();
+
+    return app.exec();
+}

tests/manual/examples/widgets/itemviews/interview/CMakeLists.txt

@@ -0,0 +1,51 @@
+# Copyright (C) 2022 The Qt Company Ltd.
+# SPDX-License-Identifier: BSD-3-Clause
+
+cmake_minimum_required(VERSION 3.16)
+project(interview LANGUAGES CXX)
+
+if(NOT DEFINED INSTALL_EXAMPLESDIR)
+    set(INSTALL_EXAMPLESDIR "examples")
+endif()
+
+set(INSTALL_EXAMPLEDIR "${INSTALL_EXAMPLESDIR}/widgets/itemviews/interview")
+
+find_package(Qt6 REQUIRED COMPONENTS Core Gui Widgets)
+
+qt_standard_project_setup()
+
+qt_add_executable(interview
+    main.cpp
+    model.cpp model.h
+)
+
+set_target_properties(interview PROPERTIES
+    WIN32_EXECUTABLE TRUE
+    MACOSX_BUNDLE TRUE
+)
+
+target_link_libraries(interview PRIVATE
+    Qt6::Core
+    Qt6::Gui
+    Qt6::Widgets
+)
+
+# Resources:
+set(interview_resource_files
+    "images/folder.png"
+    "images/interview.png"
+    "images/services.png"
+)
+
+qt_add_resources(interview "interview"
+    PREFIX
+        "/"
+    FILES
+        ${interview_resource_files}
+)
+
+install(TARGETS interview
+    RUNTIME DESTINATION "${INSTALL_EXAMPLEDIR}"
+    BUNDLE DESTINATION "${INSTALL_EXAMPLEDIR}"
+    LIBRARY DESTINATION "${INSTALL_EXAMPLEDIR}"
+)

tests/manual/examples/widgets/itemviews/interview/README

@@ -0,0 +1,2 @@
+The interview example shows the same model and selection being shared
+between three different views.

tests/manual/examples/widgets/itemviews/interview/interview.pro

@@ -0,0 +1,16 @@
+TEMPLATE = app
+QT += widgets
+requires(qtConfig(treeview))
+
+HEADERS += model.h
+SOURCES += model.cpp main.cpp
+RESOURCES += interview.qrc
+
+build_all:!build_pass {
+    CONFIG -= build_all
+    CONFIG += release
+}
+
+# install
+target.path = $$[QT_INSTALL_EXAMPLES]/widgets/itemviews/interview
+INSTALLS += target

tests/manual/examples/widgets/itemviews/interview/interview.qrc

@@ -0,0 +1,7 @@
+<!DOCTYPE RCC><RCC version="1.0">
+<qresource prefix="/">
+	<file>images/folder.png</file>
+	<file>images/services.png</file>
+	<file>images/interview.png</file>
+</qresource>
+</RCC>

tests/manual/examples/widgets/itemviews/interview/main.cpp

@@ -0,0 +1,55 @@
+// Copyright (C) 2016 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
+
+#include "model.h"
+
+#include <QApplication>
+#include <QHeaderView>
+#include <QListView>
+#include <QSplitter>
+#include <QTableView>
+#include <QTreeView>
+
+int main(int argc, char *argv[])
+{
+    QApplication app(argc, argv);
+    QSplitter page;
+
+    QAbstractItemModel *data = new Model(1000, 10, &page);
+    QItemSelectionModel *selections = new QItemSelectionModel(data);
+
+    QTableView *table = new QTableView;
+    table->setModel(data);
+    table->setSelectionModel(selections);
+    table->horizontalHeader()->setSectionsMovable(true);
+    table->verticalHeader()->setSectionsMovable(true);
+    // Set StaticContents to enable minimal repaints on resizes.
+    table->viewport()->setAttribute(Qt::WA_StaticContents);
+    page.addWidget(table);
+
+    QTreeView *tree = new QTreeView;
+    tree->setModel(data);
+    tree->setSelectionModel(selections);
+    tree->setUniformRowHeights(true);
+    tree->header()->setStretchLastSection(false);
+    tree->viewport()->setAttribute(Qt::WA_StaticContents);
+    // Disable the focus rect to get minimal repaints when scrolling on Mac.
+    tree->setAttribute(Qt::WA_MacShowFocusRect, false);
+    page.addWidget(tree);
+
+    QListView *list = new QListView;
+    list->setModel(data);
+    list->setSelectionModel(selections);
+    list->setViewMode(QListView::IconMode);
+    list->setSelectionMode(QAbstractItemView::ExtendedSelection);
+    list->setAlternatingRowColors(false);
+    list->viewport()->setAttribute(Qt::WA_StaticContents);
+    list->setAttribute(Qt::WA_MacShowFocusRect, false);
+    page.addWidget(list);
+
+    page.setWindowIcon(QPixmap(":/images/interview.png"));
+    page.setWindowTitle("Interview");
+    page.show();
+
+    return app.exec();
+}

tests/manual/examples/widgets/itemviews/interview/model.cpp

@@ -0,0 +1,110 @@
+// Copyright (C) 2016 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
+
+#include "model.h"
+
+#include <QPixmap>
+
+Model::Model(int rows, int columns, QObject *parent)
+    : QAbstractItemModel(parent),
+      services(QPixmap(":/images/services.png")),
+      rc(rows),
+      cc(columns),
+      tree(new QList<Node>(rows, Node()))
+{
+
+}
+
+Model::~Model()
+{
+    delete tree;
+}
+
+QModelIndex Model::index(int row, int column, const QModelIndex &parent) const
+{
+    if (row < rc && row >= 0 && column < cc && column >= 0) {
+        Node *parentNode = static_cast<Node*>(parent.internalPointer());
+        Node *childNode = node(row, parentNode);
+        if (childNode)
+            return createIndex(row, column, childNode);
+    }
+    return QModelIndex();
+}
+
+QModelIndex Model::parent(const QModelIndex &child) const
+{
+    if (child.isValid()) {
+        Node *childNode = static_cast<Node*>(child.internalPointer());
+        Node *parentNode = parent(childNode);
+        if (parentNode)
+            return createIndex(row(parentNode), 0, parentNode);
+    }
+    return QModelIndex();
+}
+
+int Model::rowCount(const QModelIndex &parent) const
+{
+    return (parent.isValid() && parent.column() != 0) ? 0 : rc;
+}
+
+int Model::columnCount(const QModelIndex &parent) const
+{
+    Q_UNUSED(parent);
+    return cc;
+}
+
+QVariant Model::data(const QModelIndex &index, int role) const
+{
+    if (!index.isValid())
+        return QVariant();
+    if (role == Qt::DisplayRole)
+        return QVariant("Item " + QString::number(index.row()) + ':' + QString::number(index.column()));
+    if (role == Qt::DecorationRole) {
+        if (index.column() == 0)
+            return iconProvider.icon(QFileIconProvider::Folder);
+        return iconProvider.icon(QFileIconProvider::File);
+    }
+    return QVariant();
+}
+
+QVariant Model::headerData(int section, Qt::Orientation orientation, int role) const
+{
+    if (role == Qt::DisplayRole)
+        return QString::number(section);
+    if (role == Qt::DecorationRole)
+        return QVariant::fromValue(services);
+    return QAbstractItemModel::headerData(section, orientation, role);
+}
+
+bool Model::hasChildren(const QModelIndex &parent) const
+{
+    if (parent.isValid() && parent.column() != 0)
+        return false;
+    return rc > 0 && cc > 0;
+}
+
+Qt::ItemFlags Model::flags(const QModelIndex &index) const
+{
+    if (!index.isValid())
+        return {};
+    return Qt::ItemIsDragEnabled|QAbstractItemModel::flags(index);
+}
+
+Model::Node *Model::node(int row, Node *parent) const
+{
+    if (parent && !parent->children)
+        parent->children = new QList<Node>(rc, Node(parent));
+    QList<Node> *v = parent ? parent->children : tree;
+    return const_cast<Node*>(&(v->at(row)));
+}
+
+Model::Node *Model::parent(Node *child) const
+{
+    return child ? child->parent : nullptr;
+}
+
+int Model::row(Node *node) const
+{
+    const Node *first = node->parent ? &(node->parent->children->at(0)) : &(tree->at(0));
+    return node - first;
+}

tests/manual/examples/widgets/itemviews/interview/model.h

@@ -0,0 +1,53 @@
+// Copyright (C) 2016 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
+
+#ifndef MODEL_H
+#define MODEL_H
+
+#include <QAbstractItemModel>
+#include <QFileIconProvider>
+#include <QIcon>
+#include <QList>
+
+class Model : public QAbstractItemModel
+{
+    Q_OBJECT
+
+public:
+    Model(int rows, int columns, QObject *parent = nullptr);
+    ~Model();
+
+    QModelIndex index(int row, int column, const QModelIndex &parent) const override;
+    QModelIndex parent(const QModelIndex &child) const override;
+
+    int rowCount(const QModelIndex &parent) const override;
+    int columnCount(const QModelIndex &parent) const override;
+
+    QVariant data(const QModelIndex &index, int role) const override;
+    QVariant headerData(int section, Qt::Orientation orientation, int role) const override;
+
+    bool hasChildren(const QModelIndex &parent) const override;
+    Qt::ItemFlags flags(const QModelIndex &index) const override;
+
+private:
+
+    struct Node
+    {
+        Node(Node *parent = nullptr) : parent(parent), children(nullptr) {}
+        ~Node() { delete children; }
+        Node *parent;
+        QList<Node> *children;
+    };
+
+    Node *node(int row, Node *parent) const;
+    Node *parent(Node *child) const;
+    int row(Node *node) const;
+
+    QIcon services;
+    int rc;
+    int cc;
+    QList<Node> *tree;
+    QFileIconProvider iconProvider;
+};
+
+#endif // MODEL_H

tests/manual/examples/widgets/itemviews/pixelator/CMakeLists.txt

@@ -0,0 +1,58 @@
+# Copyright (C) 2022 The Qt Company Ltd.
+# SPDX-License-Identifier: BSD-3-Clause
+
+cmake_minimum_required(VERSION 3.16)
+project(pixelator LANGUAGES CXX)
+
+if(NOT DEFINED INSTALL_EXAMPLESDIR)
+    set(INSTALL_EXAMPLESDIR "examples")
+endif()
+
+set(INSTALL_EXAMPLEDIR "${INSTALL_EXAMPLESDIR}/widgets/itemviews/pixelator")
+
+find_package(Qt6
+    REQUIRED COMPONENTS Core Gui Widgets
+    OPTIONAL_COMPONENTS PrintSupport
+)
+
+qt_standard_project_setup()
+
+qt_add_executable(pixelator
+    imagemodel.cpp imagemodel.h
+    main.cpp
+    mainwindow.cpp mainwindow.h
+    pixeldelegate.cpp pixeldelegate.h
+)
+
+set_target_properties(pixelator PROPERTIES
+    WIN32_EXECUTABLE TRUE
+    MACOSX_BUNDLE TRUE
+)
+
+target_link_libraries(pixelator PRIVATE
+    Qt6::Core
+    Qt6::Gui
+    Qt6::Widgets
+)
+
+if(TARGET Qt6::PrintSupport)
+    target_link_libraries(pixelator PRIVATE Qt6::PrintSupport)
+endif()
+
+# Resources:
+set(images_resource_files
+    "images/qt.png"
+)
+
+qt_add_resources(pixelator "images"
+    PREFIX
+        "/"
+    FILES
+        ${images_resource_files}
+)
+
+install(TARGETS pixelator
+    RUNTIME DESTINATION "${INSTALL_EXAMPLEDIR}"
+    BUNDLE DESTINATION "${INSTALL_EXAMPLEDIR}"
+    LIBRARY DESTINATION "${INSTALL_EXAMPLEDIR}"
+)

tests/manual/examples/widgets/itemviews/pixelator/imagemodel.cpp

@@ -0,0 +1,53 @@
+// Copyright (C) 2016 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
+
+#include "imagemodel.h"
+
+//! [0]
+ImageModel::ImageModel(QObject *parent)
+    : QAbstractTableModel(parent)
+{
+}
+//! [0]
+
+//! [1]
+void ImageModel::setImage(const QImage &image)
+{
+    beginResetModel();
+    modelImage = image;
+    endResetModel();
+}
+//! [1]
+
+//! [2]
+int ImageModel::rowCount(const QModelIndex & /* parent */) const
+{
+    return modelImage.height();
+}
+
+int ImageModel::columnCount(const QModelIndex & /* parent */) const
+//! [2] //! [3]
+{
+    return modelImage.width();
+}
+//! [3]
+
+//! [4]
+QVariant ImageModel::data(const QModelIndex &index, int role) const
+{
+    if (!index.isValid() || role != Qt::DisplayRole)
+        return QVariant();
+    return qGray(modelImage.pixel(index.column(), index.row()));
+}
+//! [4]
+
+//! [5]
+QVariant ImageModel::headerData(int /* section */,
+                                Qt::Orientation /* orientation */,
+                                int role) const
+{
+    if (role == Qt::SizeHintRole)
+        return QSize(1, 1);
+    return QVariant();
+}
+//! [5]

tests/manual/examples/widgets/itemviews/pixelator/imagemodel.h

@@ -0,0 +1,31 @@
+// Copyright (C) 2016 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
+
+#ifndef IMAGEMODEL_H
+#define IMAGEMODEL_H
+
+#include <QAbstractTableModel>
+#include <QImage>
+
+//! [0]
+class ImageModel : public QAbstractTableModel
+{
+    Q_OBJECT
+
+public:
+    ImageModel(QObject *parent = nullptr);
+
+    void setImage(const QImage &image);
+
+    int rowCount(const QModelIndex &parent = QModelIndex()) const override;
+    int columnCount(const QModelIndex &parent = QModelIndex()) const override;
+
+    QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const override;
+    QVariant headerData(int section, Qt::Orientation orientation, int role = Qt::DisplayRole) const override;
+
+private:
+    QImage modelImage;
+};
+//! [0]
+
+#endif // IMAGEMODEL_H