Add HorizontalHeaderView and VerticalHeaderViewv5.15.0-alpha1

[ChangeLog][Controls] Add HorizontalHeaderView and VerticalHeaderView.
They are controls associated with TableView. Support flicking synchronization
Support default, fusion, imagine, material and universal delegate styles.

Fixes: QTPM-1300
Change-Id: Ie3f913dd616cda0d4e5a22a3d95baf71692370fe
Reviewed-by: Volker Hilsheimer <volker.hilsheimer@qt.io>

8 files changed, 850 insertions, 0 deletions

diff --git a/tests/auto/auto.pro b/tests/auto/auto.pro
index 8612e2c1..853c84a8 100644
--- a/tests/auto/auto.pro
+++ b/tests/auto/auto.pro
@@ -14,6 +14,7 @@ SUBDIRS += \
     qquickapplicationwindow \
     qquickcolor \
     qquickdrawer \
+    qquickheaderview \
     qquickiconimage \
     qquickiconlabel \
     qquickimaginestyle \
diff --git a/tests/auto/qquickheaderview/data/Window.qml b/tests/auto/qquickheaderview/data/Window.qml
new file mode 100644
index 00000000..3811904e
--- /dev/null
+++ b/tests/auto/qquickheaderview/data/Window.qml
@@ -0,0 +1,121 @@
+/****************************************************************************
+**
+** Copyright (C) 2020 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the test suite of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** BSD License Usage
+** Alternatively, you may use this file under the terms of the BSD license
+** as follows:
+**
+** "Redistribution and use in source and binary forms, with or without
+** modification, are permitted provided that the following conditions are
+** met:
+**   * Redistributions of source code must retain the above copyright
+**     notice, this list of conditions and the following disclaimer.
+**   * Redistributions in binary form must reproduce the above copyright
+**     notice, this list of conditions and the following disclaimer in
+**     the documentation and/or other materials provided with the
+**     distribution.
+**   * Neither the name of The Qt Company Ltd nor the names of its
+**     contributors may be used to endorse or promote products derived
+**     from this software without specific prior written permission.
+**
+**
+** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+import QtQuick 2.15
+import QtQuick.Window 2.15
+import QtQuick.Controls 2.15
+import TestTableModel 0.1
+import TestTableModelWithHeader 0.1
+import HeaderDataProxyModel 0.1
+
+Window {
+    objectName: "window"
+    width: 400
+    height: 400
+    visible: true
+
+    Component {
+        id: cellDelegate
+        Rectangle {
+            implicitHeight: 25
+            implicitWidth: 50
+            color: "red"
+            Text {
+                text: row + "," + column
+            }
+        }
+    }
+
+    HeaderDataProxyModel {
+        id: pm
+        objectName: "proxyModel"
+    }
+
+    TestTableModel {
+        id: tm
+        objectName: "tableModel"
+        rowCount: 5
+        columnCount: 10
+    }
+
+    TestTableModelWithHeader {
+        id: thm
+        objectName: "tableHeaderModel"
+        rowCount: 5
+        columnCount: 10
+    }
+
+    HorizontalHeaderView {
+        id: hhv
+        objectName: "horizontalHeader"
+        width: 200
+        height: 200
+        model: thm
+        delegate: cellDelegate
+    }
+
+    VerticalHeaderView {
+        id: vhv
+        objectName: "verticalHeader"
+        width: 200
+        height: 200
+        model: thm
+        delegate: cellDelegate
+    }
+
+    TableView {
+        id: tv
+        objectName: "tableView"
+        width: 400
+        height: 400
+        model: thm
+        delegate:cellDelegate
+    }
+}
diff --git a/tests/auto/qquickheaderview/qquickheaderview.pro b/tests/auto/qquickheaderview/qquickheaderview.pro
new file mode 100644
index 00000000..4410c888
--- /dev/null
+++ b/tests/auto/qquickheaderview/qquickheaderview.pro
@@ -0,0 +1,15 @@
+CONFIG += testcase
+TARGET = tst_qquickheaderview
+SOURCES += tst_qquickheaderview.cpp
+
+macos:CONFIG -= app_bundle
+
+QT += core-private gui-private qml-private quick-private testlib quickcontrols2 \
+     quickcontrols2-private quicktemplates2-private quicktemplates2
+
+include (../shared/util.pri)
+
+TESTDATA = data/*
+
+OTHER_FILES += \
+    data/*.qml
diff --git a/tests/auto/qquickheaderview/tst_qquickheaderview.cpp b/tests/auto/qquickheaderview/tst_qquickheaderview.cpp
new file mode 100644
index 00000000..5ce5439d
--- /dev/null
+++ b/tests/auto/qquickheaderview/tst_qquickheaderview.cpp
@@ -0,0 +1,354 @@
+/****************************************************************************
+**
+** Copyright (C) 2020 The Qt Company Ltd.
+** Contact: http://www.qt.io/licensing/
+**
+** This file is part of the test suite of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL3$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see http://www.qt.io/terms-conditions. For further
+** information use the contact form at http://www.qt.io/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 3 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPLv3 included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 3 requirements
+** will be met: https://www.gnu.org/licenses/lgpl.html.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 2.0 or later as published by the Free
+** Software Foundation and appearing in the file LICENSE.GPL included in
+** the packaging of this file. Please review the following information to
+** ensure the GNU General Public License version 2.0 requirements will be
+** met: http://www.gnu.org/licenses/gpl-2.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "../shared/qtest_quickcontrols.h"
+#include "../shared/util.h"
+#include <QtTest/qsignalspy.h>
+#include <QtTest/qtest.h>
+
+#include <QAbstractItemModelTester>
+#include <QtQml/QQmlEngine>
+#include <QtQuick/private/qquickwindow_p.h>
+#include <QtQuickTemplates2/private/qquickapplicationwindow_p.h>
+#include <QtQuickTemplates2/private/qquickheaderview_p.h>
+#include <private/qquickheaderview_p_p.h>
+
+class TestTableModel : public QAbstractTableModel {
+    Q_OBJECT
+    Q_PROPERTY(int rowCount READ rowCount WRITE setRowCount NOTIFY rowCountChanged)
+    Q_PROPERTY(int columnCount READ columnCount WRITE setColumnCount NOTIFY columnCountChanged)
+
+public:
+    TestTableModel(QObject *parent = nullptr)
+        : QAbstractTableModel(parent)
+    {
+    }
+
+    int rowCount(const QModelIndex & = QModelIndex()) const override
+    {
+        return m_rows;
+    }
+    virtual void setRowCount(int count)
+    {
+        beginResetModel();
+        m_rows = count;
+        emit rowCountChanged();
+        endResetModel();
+    }
+
+    int columnCount(const QModelIndex & = QModelIndex()) const override
+    {
+        return m_cols;
+    }
+    virtual void setColumnCount(int count)
+    {
+        beginResetModel();
+        m_cols = count;
+        emit columnCountChanged();
+        endResetModel();
+    }
+
+    int indexValue(const QModelIndex &index) const
+    {
+        return index.row() + (index.column() * rowCount());
+    }
+
+    Q_INVOKABLE QModelIndex toQModelIndex(int serialIndex)
+    {
+        return createIndex(serialIndex % rowCount(), serialIndex / rowCount());
+    }
+
+    Q_INVOKABLE QVariant data(int row, int col)
+    {
+        return data(createIndex(row, col), Qt::DisplayRole);
+    }
+    QVariant data(const QModelIndex &index, int role) const override
+    {
+        if (!index.isValid())
+            return QVariant();
+
+        switch (role) {
+        case Qt::DisplayRole:
+            return QString("%1, %2, checked: %3 ")
+                .arg(index.row())
+                .arg(index.column())
+                .arg(m_checkedCells.contains(indexValue(index)));
+        case Qt::EditRole:
+            return m_checkedCells.contains(indexValue(index));
+        default:
+            return QVariant();
+        }
+    }
+
+    bool setData(const QModelIndex &index, const QVariant &value,
+        int role = Qt::EditRole) override
+    {
+
+        if (role != Qt::EditRole)
+            return false;
+
+        int i = indexValue(index);
+        bool checked = value.toBool();
+        if (checked == m_checkedCells.contains(i))
+            return false;
+
+        if (checked)
+            m_checkedCells.insert(i);
+        else
+            m_checkedCells.remove(i);
+
+        emit dataChanged(index, index, { role });
+        return true;
+    }
+
+    Q_INVOKABLE QHash<int, QByteArray> roleNames() const override
+    {
+        return {
+            { Qt::DisplayRole, "display" },
+            { Qt::EditRole, "edit" }
+        };
+    }
+
+signals:
+    void rowCountChanged();
+    void columnCountChanged();
+
+private:
+    int m_rows = 0;
+    int m_cols = 0;
+
+    QSet<int> m_checkedCells;
+};
+
+class TestTableModelWithHeader : public TestTableModel {
+
+    Q_OBJECT
+public:
+    void setRowCount(int count) override
+    {
+        vData.resize(count);
+        TestTableModel::setRowCount(count);
+    }
+
+    void setColumnCount(int count) override
+    {
+        hData.resize(count);
+        TestTableModel::setColumnCount(count);
+    }
+    Q_INVOKABLE QVariant headerData(int section, Qt::Orientation orientation,
+        int role = Qt::DisplayRole) const override
+    {
+        auto sectionCount = orientation == Qt::Horizontal ? columnCount() : rowCount();
+        if (section < 0 || section >= sectionCount)
+            return QVariant();
+        switch (role) {
+        case Qt::DisplayRole:
+        case Qt::EditRole: {
+            auto &data = orientation == Qt::Horizontal ? hData : vData;
+            return data[section].toString();
+        }
+        default:
+            return QVariant();
+        }
+    }
+    Q_INVOKABLE bool setHeaderData(int section, Qt::Orientation orientation,
+        const QVariant &value, int role = Qt::EditRole) override
+    {
+        qDebug() << Q_FUNC_INFO
+                 << "section:" << section
+                 << "orient:" << orientation
+                 << "value:" << value
+                 << "role:" << QAbstractItemModel::roleNames()[role];
+        auto sectionCount = orientation == Qt::Horizontal ? columnCount() : rowCount();
+        if (section < 0 || section >= sectionCount)
+            return false;
+        auto &data = orientation == Qt::Horizontal ? hData : vData;
+        data[section] = value;
+        emit headerDataChanged(orientation, section, section);
+        return true;
+    }
+
+private:
+    QVector<QVariant> hData, vData;
+};
+
+class tst_QQuickHeaderView : public QQmlDataTest {
+    Q_OBJECT
+
+private slots:
+    void initTestCase() override;
+    void cleanupTestCase();
+    void init();
+    void cleanup();
+
+    void defaults();
+    void testHeaderDataProxyModel();
+    void testOrientation();
+    void testModel();
+
+private:
+    QQmlEngine *engine;
+    QString errorString;
+
+    std::unique_ptr<QObject> rootObjectFromQml(const char *file)
+    {
+        auto component = new QQmlComponent(engine);
+        component->loadUrl(testFileUrl(file));
+        auto root = component->create();
+        if (!root)
+            errorString = component->errorString();
+        return std::unique_ptr<QObject>(new QObject(root));
+    }
+};
+
+void tst_QQuickHeaderView::initTestCase()
+{
+    QQmlDataTest::initTestCase();
+    qmlRegisterType<TestTableModel>("TestTableModel", 0, 1, "TestTableModel");
+    qmlRegisterType<TestTableModelWithHeader>("TestTableModelWithHeader", 0, 1, "TestTableModelWithHeader");
+    qmlRegisterType<QHeaderDataProxyModel>("HeaderDataProxyModel", 0, 1, "HeaderDataProxyModel");
+}
+
+void tst_QQuickHeaderView::cleanupTestCase()
+{
+}
+
+void tst_QQuickHeaderView::init()
+{
+    engine = new QQmlEngine(this);
+}
+
+void tst_QQuickHeaderView::cleanup()
+{
+    if (engine) {
+        delete engine;
+        engine = nullptr;
+    }
+}
+
+void tst_QQuickHeaderView::defaults()
+{
+    QQmlComponent component(engine);
+    component.loadUrl(testFileUrl("Window.qml"));
+
+    QScopedPointer<QObject> root(component.create());
+    QVERIFY2(root, qPrintable(component.errorString()));
+
+    auto hhv = root->findChild<QQuickHorizontalHeaderView *>("horizontalHeader");
+    QVERIFY(hhv);
+    auto vhv = root->findChild<QQuickVerticalHeaderView *>("verticalHeader");
+    QVERIFY(vhv);
+    auto tm = root->findChild<TestTableModel *>("tableModel");
+    QVERIFY(tm);
+    auto pm = root->findChild<QHeaderDataProxyModel *>("proxyModel");
+    QVERIFY(pm);
+    auto tv = root->findChild<QQuickTableView *>("tableView");
+    QVERIFY(tv);
+}
+
+void tst_QQuickHeaderView::testHeaderDataProxyModel()
+{
+    TestTableModel model;
+    model.setColumnCount(10);
+    model.setRowCount(7);
+    QHeaderDataProxyModel model2;
+    model2.setSourceModel(&model);
+    QAbstractItemModelTester tester(&model2, QAbstractItemModelTester::FailureReportingMode::QtTest);
+}
+
+void tst_QQuickHeaderView::testOrientation()
+{
+    QQmlComponent component(engine);
+    component.loadUrl(testFileUrl("Window.qml"));
+
+    QScopedPointer<QObject> root(component.create());
+    QVERIFY2(root, qPrintable(component.errorString()));
+
+    auto hhv = root->findChild<QQuickHorizontalHeaderView *>("horizontalHeader");
+    QVERIFY(hhv);
+    QCOMPARE(hhv->columns(), 10);
+    QCOMPARE(hhv->rows(), 1);
+    auto vhv = root->findChild<QQuickVerticalHeaderView *>("verticalHeader");
+    QVERIFY(vhv);
+
+    hhv->setSyncDirection(Qt::Vertical);
+    hhv->flick(10, 20);
+
+    vhv->setSyncDirection(Qt::Horizontal);
+    vhv->flick(20, 10);
+
+    QVERIFY(QTest::qWaitForWindowActive(qobject_cast<QWindow *>(root.data())));
+    // Explicitly setting a different synDirection is ignored
+    QCOMPARE(hhv->syncDirection(), Qt::Horizontal);
+    QCOMPARE(hhv->flickableDirection(), QQuickFlickable::HorizontalFlick);
+    QCOMPARE(vhv->syncDirection(), Qt::Vertical);
+    QCOMPARE(vhv->flickableDirection(), QQuickFlickable::VerticalFlick);
+}
+
+void tst_QQuickHeaderView::testModel()
+{
+    QQmlComponent component(engine);
+    component.loadUrl(testFileUrl("Window.qml"));
+
+    QScopedPointer<QObject> root(component.create());
+    QVERIFY2(root, qPrintable(component.errorString()));
+
+    auto hhv = root->findChild<QQuickHorizontalHeaderView *>("horizontalHeader");
+    QVERIFY(hhv);
+    auto thm = root->findChild<TestTableModel *>("tableHeaderModel");
+    QVERIFY(thm);
+    auto pm = root->findChild<QHeaderDataProxyModel *>("proxyModel");
+    QVERIFY(pm);
+
+    QSignalSpy modelChangedSpy(hhv, SIGNAL(modelChanged()));
+    QVERIFY(modelChangedSpy.isValid());
+
+    hhv->setModel(QVariant::fromValue(thm));
+    QCOMPARE(modelChangedSpy.count(), 0);
+
+    hhv->setModel(QVariant::fromValue(pm));
+    QCOMPARE(modelChangedSpy.count(), 1);
+
+    TestTableModel ttm2;
+    ttm2.setRowCount(100);
+    ttm2.setColumnCount(30);
+    hhv->setModel(QVariant::fromValue(&ttm2));
+    QCOMPARE(modelChangedSpy.count(), 2);
+}
+
+QTEST_MAIN(tst_QQuickHeaderView)
+
+#include "tst_qquickheaderview.moc"
diff --git a/tests/manual/headerview/headerview.pro b/tests/manual/headerview/headerview.pro
new file mode 100644
index 00000000..474cc921
--- /dev/null
+++ b/tests/manual/headerview/headerview.pro
@@ -0,0 +1,10 @@
+TEMPLATE = app
+TARGET = headerview
+QT += qml quick quick-private quickcontrols2 quickcontrols2-private \
+      quicktemplates2-private quicktemplates2
+SOURCES += main.cpp
+RESOURCES += main.qml
+# Default rules for deployment.
+qnx: target.path = /tmp/$${TARGET}/bin
+else: unix:!android: target.path = /opt/$${TARGET}/bin
+!isEmpty(target.path): INSTALLS += target
diff --git a/tests/manual/headerview/main.cpp b/tests/manual/headerview/main.cpp
new file mode 100644
index 00000000..4c1e611c
--- /dev/null
+++ b/tests/manual/headerview/main.cpp
@@ -0,0 +1,218 @@
+/****************************************************************************
+**
+** Copyright (C) 2020 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the QtQuick module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 3 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL3 included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 3 requirements
+** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 2.0 or (at your option) the GNU General
+** Public license version 3 or any later version approved by the KDE Free
+** Qt Foundation. The licenses are as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-2.0.html and
+** https://www.gnu.org/licenses/gpl-3.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <QAbstractTableModel>
+#include <QDebug>
+#include <QGuiApplication>
+#include <QQmlApplicationEngine>
+
+class TestTableModel : public QAbstractTableModel {
+    Q_OBJECT
+    Q_PROPERTY(int rowCount READ rowCount WRITE setRowCount NOTIFY rowCountChanged)
+    Q_PROPERTY(int columnCount READ columnCount WRITE setColumnCount NOTIFY columnCountChanged)
+
+public:
+    TestTableModel(QObject *parent = nullptr)
+        : QAbstractTableModel(parent)
+    {
+    }
+
+    int rowCount(const QModelIndex & = QModelIndex()) const override
+    {
+        return m_rows;
+    }
+    virtual void setRowCount(int count)
+    {
+        beginResetModel();
+        m_rows = count;
+        emit rowCountChanged();
+        endResetModel();
+    }
+
+    int columnCount(const QModelIndex & = QModelIndex()) const override
+    {
+        return m_cols;
+    }
+    virtual void setColumnCount(int count)
+    {
+        beginResetModel();
+        m_cols = count;
+        emit columnCountChanged();
+        endResetModel();
+    }
+
+    int indexValue(const QModelIndex &index) const
+    {
+        return index.row() + (index.column() * rowCount());
+    }
+
+    Q_INVOKABLE QModelIndex toQModelIndex(int serialIndex)
+    {
+        return createIndex(serialIndex % rowCount(), serialIndex / rowCount());
+    }
+
+    Q_INVOKABLE QVariant data(int row, int col)
+    {
+        return data(createIndex(row, col), Qt::DisplayRole);
+    }
+    QVariant data(const QModelIndex &index, int role) const override
+    {
+        if (!index.isValid())
+            return QVariant();
+
+        switch (role) {
+        case Qt::DisplayRole:
+            return QLatin1String("Foo");
+        case Qt::EditRole:
+            return m_checkedCells.contains(indexValue(index));
+        default:
+            return QVariant();
+        }
+    }
+
+    bool setData(const QModelIndex &index, const QVariant &value,
+        int role = Qt::EditRole) override
+    {
+
+        if (role != Qt::EditRole)
+            return false;
+
+        int i = indexValue(index);
+        bool checked = value.toBool();
+        if (checked == m_checkedCells.contains(i))
+            return false;
+
+        if (checked)
+            m_checkedCells.insert(i);
+        else
+            m_checkedCells.remove(i);
+
+        emit dataChanged(index, index, { role });
+        return true;
+    }
+
+    Q_INVOKABLE QHash<int, QByteArray> roleNames() const override
+    {
+        return {
+            { Qt::DisplayRole, "display" },
+            { Qt::EditRole, "edit" }
+        };
+    }
+
+signals:
+    void rowCountChanged();
+    void columnCountChanged();
+
+private:
+    int m_rows = 0;
+    int m_cols = 0;
+
+    QSet<int> m_checkedCells;
+};
+
+class TestTableModelWithHeader : public TestTableModel {
+
+    Q_OBJECT
+public:
+    void setRowCount(int count) override
+    {
+        vData.resize(count);
+        TestTableModel::setRowCount(count);
+    }
+
+    void setColumnCount(int count) override
+    {
+        hData.resize(count);
+        TestTableModel::setColumnCount(count);
+    }
+
+    Q_INVOKABLE QVariant headerData(int section, Qt::Orientation orientation,
+        int role = Qt::DisplayRole) const override
+    {
+        const bool isHorizontal = orientation == Qt::Horizontal;
+        auto sectionCount = isHorizontal ? columnCount() : rowCount();
+        if (section < 0 || section >= sectionCount)
+            return QVariant();
+        switch (role) {
+        case Qt::DisplayRole:
+            return (isHorizontal ? QString::fromLatin1("Column %1") : QString::fromLatin1("Row %1")).arg(section);
+        case Qt::EditRole: {
+            auto &data = isHorizontal ? hData : vData;
+            return data[section].toString();
+        }
+        default:
+            return QVariant();
+        }
+    }
+
+    Q_INVOKABLE bool setHeaderData(int section, Qt::Orientation orientation,
+        const QVariant &value, int role = Qt::EditRole) override
+    {
+        qDebug() << Q_FUNC_INFO
+                 << "section:" << section
+                 << "orient:" << orientation
+                 << "value:" << value
+                 << "role:" << QAbstractItemModel::roleNames()[role];
+        auto sectionCount = orientation == Qt::Horizontal ? columnCount() : rowCount();
+        if (section < 0 || section >= sectionCount)
+            return false;
+        auto &data = orientation == Qt::Horizontal ? hData : vData;
+        data[section] = value;
+        emit headerDataChanged(orientation, section, section);
+        return true;
+    }
+
+private:
+    QVector<QVariant> hData, vData;
+};
+
+int main(int argc, char *argv[])
+{
+    QCoreApplication::setAttribute(Qt::AA_EnableHighDpiScaling);
+    QGuiApplication app(argc, argv);
+
+    qmlRegisterType<TestTableModel>("TestTableModel", 0, 1, "TestTableModel");
+    qmlRegisterType<TestTableModelWithHeader>("TestTableModelWithHeader", 0, 1, "TestTableModelWithHeader");
+    QQmlApplicationEngine engine;
+    engine.load(QUrl(QStringLiteral("qrc:/main.qml")));
+
+    return app.exec();
+}
+
+#include "main.moc"
diff --git a/tests/manual/headerview/main.qml b/tests/manual/headerview/main.qml
new file mode 100644
index 00000000..2919f1b2
--- /dev/null
+++ b/tests/manual/headerview/main.qml
@@ -0,0 +1,130 @@
+/****************************************************************************
+**
+** Copyright (C) 2020 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the test suite of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** BSD License Usage
+** Alternatively, you may use this file under the terms of the BSD license
+** as follows:
+**
+** "Redistribution and use in source and binary forms, with or without
+** modification, are permitted provided that the following conditions are
+** met:
+**   * Redistributions of source code must retain the above copyright
+**     notice, this list of conditions and the following disclaimer.
+**   * Redistributions in binary form must reproduce the above copyright
+**     notice, this list of conditions and the following disclaimer in
+**     the documentation and/or other materials provided with the
+**     distribution.
+**   * Neither the name of The Qt Company Ltd nor the names of its
+**     contributors may be used to endorse or promote products derived
+**     from this software without specific prior written permission.
+**
+**
+** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+import QtQml.Models 2.15
+import QtQuick 2.15
+import QtQuick.Controls 2.15
+import QtQuick.Shapes 1.15
+import QtQuick.Window 2.15
+import Qt.labs.qmlmodels 1.0
+import TestTableModelWithHeader 0.1
+
+Window {
+    visible: true
+    width: 640
+    height: 480
+    title: qsTr("HeaderView Test")
+
+    TestTableModelWithHeader {
+        id: tableModel
+        rowCount: 50
+        columnCount: 80
+    }
+
+    TableView {
+        id: tableView
+        anchors.top: parent.top
+        anchors.topMargin: horizontalHeader.height + rowSpacing
+        anchors.left: parent.left
+        anchors.leftMargin: verticalHeader.width + columnSpacing
+        model: tableModel
+        rightMargin: 100
+        bottomMargin: 100
+        columnSpacing: 4
+        rowSpacing: 4
+        syncDirection: Qt.Vertical | Qt.Horizontal
+        implicitWidth: parent.width + columnSpacing
+        implicitHeight: parent.height + rowSpacing
+        clip: true
+        delegate: Rectangle {
+            implicitWidth: 150
+            implicitHeight: 50
+            color: "#e6ecf5"
+
+            CheckBox {
+                anchors.fill: parent
+                text: model.display
+                checked: model.edit
+                leftPadding: 12
+                onClicked: model.edit = checked
+            }
+        }
+    }
+
+    HorizontalHeaderView {
+        id: horizontalHeader
+        objectName: "horizontalHeader"
+        height: contentHeight
+        width: syncView.width
+        anchors.top: parent.top
+        anchors.left: tableView.left
+        syncView: tableView
+        clip: true
+    }
+
+    VerticalHeaderView {
+        id: verticalHeader
+        objectName: "verticalHeader"
+        width: contentWidth
+        height: syncView.height
+        anchors.top: tableView.top
+        syncView: tableView
+        clip: true
+    }
+
+    ToolButton {
+        width: verticalHeader.width
+        height: horizontalHeader.height
+        onClicked: {
+            horizontalHeader.contentX = 0
+            verticalHeader.contentY = 0
+        }
+    }
+}
diff --git a/tests/manual/manual.pro b/tests/manual/manual.pro
index d23b4494..fba3c12a 100644
--- a/tests/manual/manual.pro
+++ b/tests/manual/manual.pro
@@ -3,6 +3,7 @@ SUBDIRS += \
     buttons \
     gifs \
     fonts \
+    headerview \
     screenshots \
     styles \
     testbench