qt 6.5.1 original

tests/manual/qgraphicslayout/anchorlayout/CMakeLists.txt

@@ -0,0 +1,17 @@
+# Copyright (C) 2022 The Qt Company Ltd.
+# SPDX-License-Identifier: BSD-3-Clause
+
+#####################################################################
+## anchorlayout Binary:
+#####################################################################
+cmake_minimum_required(VERSION 3.16)
+
+qt_internal_add_manual_test(anchorlayout
+    GUI
+    SOURCES
+        main.cpp
+    LIBRARIES
+        Qt::Gui
+        Qt::Widgets
+)
+

tests/manual/qgraphicslayout/anchorlayout/anchorlayout.pro

@@ -0,0 +1,9 @@
+TARGET = anchorlayout
+
+QT += widgets
+
+SOURCES   = main.cpp
+
+# install
+target.path = $$[QT_INSTALL_EXAMPLES]/widgets/graphicsview/anchorlayout
+INSTALLS += target

tests/manual/qgraphicslayout/anchorlayout/main.cpp

@@ -0,0 +1,89 @@
+// Copyright (C) 2016 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
+
+#include <QtWidgets>
+
+static QGraphicsProxyWidget *createItem(const QSizeF &minimum = QSizeF(100.0, 100.0),
+                                        const QSizeF &preferred = QSize(150.0, 100.0),
+                                        const QSizeF &maximum = QSizeF(200.0, 100.0),
+                                        const QString &name = "0")
+{
+    QGraphicsProxyWidget *w = new QGraphicsProxyWidget;
+    w->setWidget(new QPushButton(name));
+    w->setData(0, name);
+    w->setMinimumSize(minimum);
+    w->setPreferredSize(preferred);
+    w->setMaximumSize(maximum);
+
+    w->setSizePolicy(QSizePolicy::Preferred, QSizePolicy::Preferred);
+    return w;
+}
+
+int main(int argc, char **argv)
+{
+    QApplication app(argc, argv);
+
+    QGraphicsScene scene;
+    scene.setSceneRect(0, 0, 800, 480);
+
+    QSizeF minSize(30, 100);
+    QSizeF prefSize(210, 100);
+    QSizeF maxSize(300, 100);
+
+    QGraphicsProxyWidget *a = createItem(minSize, prefSize, maxSize, "A");
+    QGraphicsProxyWidget *b = createItem(minSize, prefSize, maxSize, "B");
+    QGraphicsProxyWidget *c = createItem(minSize, prefSize, maxSize, "C");
+    QGraphicsProxyWidget *d = createItem(minSize, prefSize, maxSize, "D");
+    QGraphicsProxyWidget *e = createItem(minSize, prefSize, maxSize, "E");
+    QGraphicsProxyWidget *f = createItem(QSizeF(30, 50), QSizeF(150, 50), maxSize, "F (overflow)");
+    QGraphicsProxyWidget *g = createItem(QSizeF(30, 50), QSizeF(30, 100), maxSize, "G (overflow)");
+
+    QGraphicsAnchorLayout *l = new QGraphicsAnchorLayout;
+    l->setSpacing(0);
+
+    QGraphicsWidget *w = new QGraphicsWidget(nullptr, Qt::Window);
+    w->setPos(20, 20);
+    w->setLayout(l);
+
+    // vertical
+    l->addAnchor(a, Qt::AnchorTop, l, Qt::AnchorTop);
+    l->addAnchor(b, Qt::AnchorTop, l, Qt::AnchorTop);
+
+    l->addAnchor(c, Qt::AnchorTop, a, Qt::AnchorBottom);
+    l->addAnchor(c, Qt::AnchorTop, b, Qt::AnchorBottom);
+    l->addAnchor(c, Qt::AnchorBottom, d, Qt::AnchorTop);
+    l->addAnchor(c, Qt::AnchorBottom, e, Qt::AnchorTop);
+
+    l->addAnchor(d, Qt::AnchorBottom, l, Qt::AnchorBottom);
+    l->addAnchor(e, Qt::AnchorBottom, l, Qt::AnchorBottom);
+
+    l->addAnchor(c, Qt::AnchorTop, f, Qt::AnchorTop);
+    l->addAnchor(c, Qt::AnchorVerticalCenter, f, Qt::AnchorBottom);
+    l->addAnchor(f, Qt::AnchorBottom, g, Qt::AnchorTop);
+    l->addAnchor(c, Qt::AnchorBottom, g, Qt::AnchorBottom);
+
+    // horizontal
+    l->addAnchor(l, Qt::AnchorLeft, a, Qt::AnchorLeft);
+    l->addAnchor(l, Qt::AnchorLeft, d, Qt::AnchorLeft);
+    l->addAnchor(a, Qt::AnchorRight, b, Qt::AnchorLeft);
+
+    l->addAnchor(a, Qt::AnchorRight, c, Qt::AnchorLeft);
+    l->addAnchor(c, Qt::AnchorRight, e, Qt::AnchorLeft);
+
+    l->addAnchor(b, Qt::AnchorRight, l, Qt::AnchorRight);
+    l->addAnchor(e, Qt::AnchorRight, l, Qt::AnchorRight);
+    l->addAnchor(d, Qt::AnchorRight, e, Qt::AnchorLeft);
+
+    l->addAnchor(l, Qt::AnchorLeft, f, Qt::AnchorLeft);
+    l->addAnchor(l, Qt::AnchorLeft, g, Qt::AnchorLeft);
+    l->addAnchor(f, Qt::AnchorRight, g, Qt::AnchorRight);
+
+
+    scene.addItem(w);
+    scene.setBackgroundBrush(Qt::darkGreen);
+    QGraphicsView view(&scene);
+
+    view.show();
+
+    return app.exec();
+}

tests/manual/qgraphicslayout/flicker/CMakeLists.txt

@@ -0,0 +1,16 @@
+# Copyright (C) 2022 The Qt Company Ltd.
+# SPDX-License-Identifier: BSD-3-Clause
+
+#####################################################################
+## flicker Binary:
+#####################################################################
+
+qt_internal_add_manual_test(flicker
+    GUI
+    SOURCES
+        main.cpp
+        window.cpp window.h
+    LIBRARIES
+        Qt::Gui
+        Qt::Widgets
+)

tests/manual/qgraphicslayout/flicker/flicker.pro

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+QT += widgets
+HEADERS += window.h
+SOURCES += main.cpp window.cpp

tests/manual/qgraphicslayout/flicker/main.cpp

@@ -0,0 +1,18 @@
+// Copyright (C) 2016 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
+
+#include <QMainWindow>
+#include <QApplication>
+#include "window.h"
+
+int main(int argc, char **argv)
+{
+    QApplication app(argc, argv);
+    Window *window = new Window();
+    window->resize(800, 600);
+
+    window->show();
+
+    return app.exec();
+
+}

tests/manual/qgraphicslayout/flicker/window.cpp

@@ -0,0 +1,34 @@
+// Copyright (C) 2020 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
+
+#include "window.h"
+
+void SlowWidget::setGeometry(const QRectF &rect)
+{
+    bool reiterate = false;
+    Statistics &stats = *m_stats;
+    if (stats.relayoutClicked) {
+        ++(stats.setGeometryTracker[this]);
+        ++stats.setGeometryCount;
+        qDebug() << "setGeometryCount:" << stats.setGeometryCount;
+        if (stats.setGeometryTracker.count() == m_window->m_depthSpinBox->value()) {
+            ++stats.currentBenchmarkIteration;
+            qDebug() << "currentBenchmarkIteration:" << stats.currentBenchmarkIteration;
+            if (stats.currentBenchmarkIteration == m_window->m_benchmarkIterationsSpinBox->value()) {
+                if (stats.output)
+                    stats.output->setText(tr("DONE. Elapsed: %1, setGeometryCount: %2").arg(stats.timer.elapsed()).arg(stats.setGeometryCount));
+            } else {
+                reiterate = true;
+            }
+            stats.setGeometryTracker.clear();
+
+        }
+    }
+
+    QGraphicsWidget::setGeometry(rect);
+
+    if (reiterate) {
+        m_window->doAgain();
+        //QTimer::singleShot(0, m_window, SLOT(doAgain()));
+    }
+}

tests/manual/qgraphicslayout/flicker/window.h

@@ -0,0 +1,247 @@
+// Copyright (C) 2021 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
+
+#ifndef WINDOW_H
+#define WINDOW_H
+
+
+#include <QGraphicsScene>
+#include <QGraphicsWidget>
+#include <QGraphicsLinearLayout>
+#include <QGraphicsView>
+#include <QSpinBox>
+#include <QCheckBox>
+#include <QPushButton>
+#include <QLabel>
+#include <QHBoxLayout>
+#include <QPainter>
+#include <QApplication>
+#include <QThread>
+#include <QMap>
+#include <QElapsedTimer>
+#include <QDebug>
+
+struct Statistics {
+    Statistics() : setGeometryCount(0), sleepMsecs(0), output(0),
+        currentBenchmarkIteration(0), relayoutClicked(false)
+    {
+    }
+    QMap<QGraphicsWidget*, int> setGeometryTracker;
+    QElapsedTimer timer;
+    int setGeometryCount;
+    int sleepMsecs;
+    QLabel *output;
+    void sleep()
+    {
+        QThread::msleep(sleepMsecs);
+    }
+    int currentBenchmarkIteration;
+    bool relayoutClicked;
+
+};
+
+
+class Window;
+
+class SlowWidget : public QGraphicsWidget {
+public:
+    SlowWidget(QGraphicsWidget *w = nullptr, Qt::WindowFlags wFlags = {}) : QGraphicsWidget(w, wFlags)
+    {
+        m_window = 0;
+    }
+
+    void setStats(Statistics *stats)
+    {
+        m_stats = stats;
+    }
+
+    void setWindow(Window *window)
+    {
+        m_window = window;
+    }
+
+    void setGeometry(const QRectF &rect);
+
+    bool event(QEvent *e)
+    {
+        if (e->type() == QEvent::LayoutRequest) {
+            if (m_stats->sleepMsecs > 0) {
+                m_stats->sleep();
+                qDebug("sleep %d ms\n", m_stats->sleepMsecs);
+            }
+        }
+        return QGraphicsWidget::event(e);
+    }
+
+    void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget)
+    {
+        Q_UNUSED(option);
+        Q_UNUSED(widget);
+        painter->setBrush(m_brush);
+        painter->drawRoundedRect(rect(), 25, 25, Qt::RelativeSize);
+        painter->drawLine(rect().topLeft(), rect().bottomRight());
+        painter->drawLine(rect().bottomLeft(), rect().topRight());
+    }
+
+    void setBrush(const QBrush &brush)
+    {
+        m_brush = brush;
+    }
+private:
+    QBrush m_brush;
+    Statistics *m_stats;
+    Window *m_window;
+};
+
+class Window : public QWidget {
+    Q_OBJECT
+public:
+    Window() : QWidget()
+    {
+        QGraphicsView *m_view = new QGraphicsView(&scene);
+
+        m_window = 0;
+        m_leaf = 0;
+
+        m_button = new QPushButton(tr("Relayout"));
+        m_button->setObjectName("button");
+
+        m_sleepLabel = new QLabel(tr("Sleep:"));
+        m_sleepSpinBox = new QSpinBox;
+        m_sleepSpinBox->setRange(0, 1000);
+        m_sleepSpinBox->setSingleStep(10);
+
+        m_depthLabel = new QLabel(tr("Depth:"));
+        m_depthSpinBox = new QSpinBox;
+        m_depthSpinBox->setObjectName("depthSpinBox");
+        m_depthSpinBox->setRange(1, 200);
+        m_depthSpinBox->setSingleStep(5);
+
+        m_benchmarkIterationsLabel = new QLabel(tr("Benchmark iterations"));
+        m_benchmarkIterationsSpinBox = new QSpinBox;
+        m_benchmarkIterationsSpinBox->setObjectName("benchmarkIterationsSpinBox");
+        m_benchmarkIterationsSpinBox->setRange(1, 1000);
+        m_benchmarkIterationsSpinBox->setValue(41);
+        m_benchmarkIterationsSpinBox->setSingleStep(10);
+
+        m_instantCheckBox = new QCheckBox(tr("Instant propagation"));
+        m_instantCheckBox->setObjectName("instantPropagationCheckbox");
+        QGraphicsLayout::setInstantInvalidatePropagation(true);
+        m_instantCheckBox->setChecked(QGraphicsLayout::instantInvalidatePropagation());
+
+        m_resultLabel = new QLabel(tr("Press relayout to start test"));
+
+        QHBoxLayout *hbox = new QHBoxLayout;
+        hbox->addWidget(m_sleepLabel);
+        hbox->addWidget(m_sleepSpinBox);
+        hbox->addWidget(m_depthLabel);
+        hbox->addWidget(m_depthSpinBox);
+        hbox->addWidget(m_benchmarkIterationsLabel);
+        hbox->addWidget(m_benchmarkIterationsSpinBox);
+        hbox->addWidget(m_instantCheckBox);
+        hbox->addWidget(m_resultLabel);
+        hbox->addStretch();
+        hbox->addWidget(m_button);
+
+        QVBoxLayout *vbox = new QVBoxLayout;
+        vbox->addWidget(m_view);
+        vbox->addLayout(hbox);
+        setLayout(vbox);
+
+        metaObject()->connectSlotsByName(this);
+
+        m_depthSpinBox->setValue(20);   // triggers purposedly on_depthSpinBox_valueChanged
+    }
+
+private slots:
+    void on_depthSpinBox_valueChanged(int value)
+    {
+        m_stats.relayoutClicked = false;
+        if (m_window) {
+            QApplication::processEvents();
+            delete m_window;
+        }
+        m_window = new SlowWidget(0, Qt::Window);
+        m_window->setStats(&m_stats);
+        m_window->setWindow(this);
+        QColor col(Qt::black);
+        m_window->setBrush(col);
+        scene.addItem(m_window);
+        m_leaf = 0;
+        const int depth = value;
+        SlowWidget *parent = m_window;
+        for (int i = 1; i < depth; ++i) {
+            QGraphicsLinearLayout *l = new QGraphicsLinearLayout(parent);
+            l->setContentsMargins(2,2,2,2);
+            SlowWidget *child = new SlowWidget;
+            QColor col;
+            col.setHsl(0, 0, 255*i/(depth - 1));
+            child->setBrush(col);
+            child->setStats(&m_stats);
+            child->setWindow(this);
+            l->addItem(child);
+            parent = child;
+        }
+        m_leaf = parent;
+    }
+
+    void on_button_clicked(bool /*check = false*/)
+    {
+        m_stats.relayoutClicked = true;
+        if (m_leaf) {
+            QSizeF sz = m_leaf->size();
+            int w = int(sz.width());
+            w^=16;
+            sz = QSizeF(w,w);
+            m_stats.output = m_resultLabel;
+            m_stats.output->setText(QString("wait..."));
+            m_stats.setGeometryCount = 0;
+            m_stats.setGeometryTracker.clear();
+            m_stats.sleepMsecs = m_sleepSpinBox->value();
+            m_stats.timer.start();
+            m_stats.currentBenchmarkIteration = 0;
+            m_leaf->setMinimumSize(sz);
+            m_leaf->setMaximumSize(sz);
+        }
+    }
+
+    void on_instantPropagationCheckbox_toggled(bool checked)
+    {
+        QGraphicsLayout::setInstantInvalidatePropagation(checked);
+    }
+
+public slots:
+    void doAgain()
+    {
+        if (m_leaf) {
+            QSizeF sz = m_leaf->size();
+            int w = int(sz.width());
+            w^=16;
+            sz = QSizeF(w,w);
+            m_leaf->setMinimumSize(sz);
+            m_leaf->setMaximumSize(sz);
+        }
+    }
+
+private:
+public:
+    QGraphicsScene scene;
+    QGraphicsView *m_view;
+    QPushButton *m_button;
+    QLabel *m_sleepLabel;
+    QSpinBox *m_sleepSpinBox;
+    QLabel *m_depthLabel;
+    QSpinBox *m_depthSpinBox;
+    QLabel *m_benchmarkIterationsLabel;
+    QSpinBox *m_benchmarkIterationsSpinBox;
+    QCheckBox *m_instantCheckBox;
+    QLabel *m_resultLabel;
+    QGraphicsWidget *m_leaf;
+    SlowWidget *m_window;
+    Statistics m_stats;
+
+
+};
+
+
+#endif //WINDOW_H

tests/manual/qgraphicslayout/weatheranchorlayout/CMakeLists.txt

@@ -0,0 +1,34 @@
+# Copyright (C) 2022 The Qt Company Ltd.
+# SPDX-License-Identifier: BSD-3-Clause
+
+#####################################################################
+## weatheranchorlayout Binary:
+#####################################################################
+cmake_minimum_required(VERSION 3.16)
+
+qt_internal_add_manual_test(weatheranchorlayout
+    GUI
+    SOURCES
+        main.cpp
+    LIBRARIES
+        Qt::Gui
+        Qt::Widgets
+)
+
+# Resources:
+set(weatheranchorlayout_resource_files
+    "images/5days.jpg"
+    "images/details.jpg"
+    "images/place.jpg"
+    "images/tabbar.jpg"
+    "images/title.jpg"
+    "images/weather-few-clouds.png"
+)
+
+qt_add_resources(weatheranchorlayout "weatheranchorlayout"
+    PREFIX
+        "/"
+    FILES
+        ${weatheranchorlayout_resource_files}
+)
+

tests/manual/qgraphicslayout/weatheranchorlayout/main.cpp

@@ -0,0 +1,239 @@
+// Copyright (C) 2016 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
+
+#include <QApplication>
+#include <QLabel>
+#include <QGraphicsAnchorLayout>
+#include <QGraphicsProxyWidget>
+#include <QGraphicsScene>
+#include <QGraphicsSceneResizeEvent>
+#include <QGraphicsView>
+#include <QGraphicsWidget>
+#include <QPainter>
+#include <QPushButton>
+
+
+class GraphicsView : public QGraphicsView
+{
+public:
+    GraphicsView(QGraphicsScene *scene, QGraphicsWidget *widget)
+        : QGraphicsView(scene), w(widget)
+    {
+    }
+
+    void resizeEvent(QResizeEvent *event) override
+    {
+        w->setGeometry(0, 0, event->size().width(), event->size().height());
+    }
+
+    QGraphicsWidget *w;
+};
+
+class PixmapWidget : public QGraphicsLayoutItem
+{
+public:
+    PixmapWidget(const QPixmap &pix)
+        : QGraphicsLayoutItem(), original(new QGraphicsPixmapItem(pix))
+        , r(QRectF(QPointF(0, 0), pix.size()))
+    {
+        setGraphicsItem(original);
+        original->show();
+    }
+
+    ~PixmapWidget()
+    {
+        setGraphicsItem(nullptr);
+        delete original;
+    }
+
+    void setZValue(qreal z)
+    {
+        original->setZValue(z);
+    }
+
+    void setGeometry(const QRectF &rect) override
+    {
+        original->setTransform(QTransform::fromScale(rect.width() / r.width(),
+                                                     rect.height() / r.height()), true);
+        original->setPos(rect.x(), rect.y());
+        r = rect;
+    }
+
+protected:
+    QSizeF sizeHint(Qt::SizeHint which, const QSizeF &constraint = QSizeF()) const override
+    {
+        Q_UNUSED(constraint);
+        QSizeF sh;
+        switch (which) {
+            case Qt::MinimumSize:
+                sh = QSizeF(0, 0);
+                break;
+            case Qt::PreferredSize:
+                sh = QSizeF(50, 50);
+                break;
+            case Qt::MaximumSize:
+                sh = QSizeF(QWIDGETSIZE_MAX, QWIDGETSIZE_MAX);
+                break;
+            default:
+                break;
+        }
+        return sh;
+    }
+
+private:
+    QGraphicsPixmapItem *original;
+    QRectF r;
+};
+
+
+class PlaceWidget : public QGraphicsWidget
+{
+    Q_OBJECT
+
+public:
+    PlaceWidget(const QPixmap &pix)
+        : QGraphicsWidget()
+        , original(pix)
+        , scaled(pix)
+    {
+    }
+
+    void paint(QPainter *painter, const QStyleOptionGraphicsItem *, QWidget *) override
+    {
+        const QPointF reflection(0, scaled.height() + 2);
+
+        painter->drawPixmap(QPointF(), scaled);
+
+        QPixmap tmp(scaled.size());
+        tmp.fill(Qt::transparent);
+        QPainter p(&tmp);
+
+        // create gradient
+        QPoint p1(scaled.width() / 2, 0);
+        QPoint p2(scaled.width() / 2, scaled.height());
+        QLinearGradient linearGrad(p1, p2);
+        linearGrad.setColorAt(0, QColor(0, 0, 0, 0));
+        linearGrad.setColorAt(0.65, QColor(0, 0, 0, 127));
+        linearGrad.setColorAt(1, QColor(0, 0, 0, 255));
+
+        // apply 'mask'
+        p.setBrush(linearGrad);
+        p.fillRect(0, 0, tmp.width(), tmp.height(), QBrush(linearGrad));
+        p.fillRect(0, 0, tmp.width(), tmp.height(), QBrush(linearGrad));
+
+        // paint the image flipped
+        p.setCompositionMode(QPainter::CompositionMode_DestinationOver);
+        p.drawPixmap(0, 0, QPixmap::fromImage(scaled.toImage().mirrored(false, true)));
+        p.end();
+
+        painter->drawPixmap(reflection, tmp);
+    }
+
+    void resizeEvent(QGraphicsSceneResizeEvent *event) override
+    {
+        QSize newSize = event->newSize().toSize();
+        newSize.setHeight(newSize.height() / 2);
+        scaled = original.scaled(newSize);
+    }
+
+    QRectF boundingRect() const override
+    {
+        QSize size(scaled.width(), scaled.height() * 2 + 2);
+        return QRectF(QPointF(0, 0), size);
+    }
+
+private:
+    QPixmap original;
+    QPixmap scaled;
+};
+
+
+int main(int argc, char *argv[])
+{
+    Q_INIT_RESOURCE(weatheranchorlayout);
+
+    QApplication app(argc, argv);
+
+    QGraphicsScene scene;
+    scene.setSceneRect(0, 0, 800, 480);
+
+    // pixmaps widgets
+    PixmapWidget *title = new PixmapWidget(QPixmap(":/images/title.jpg"));
+    PlaceWidget *place = new PlaceWidget(QPixmap(":/images/place.jpg"));
+    PixmapWidget *details = new PixmapWidget(QPixmap(":/images/5days.jpg"));
+    PixmapWidget *sunnyWeather = new PixmapWidget(QPixmap(":/images/weather-few-clouds.png"));
+    PixmapWidget *tabbar = new PixmapWidget(QPixmap(":/images/tabbar.jpg"));
+
+
+    // setup sizes
+    title->setPreferredSize(QSizeF(348, 45));
+    title->setSizePolicy(QSizePolicy::Minimum, QSizePolicy::Minimum);
+
+    place->setPreferredSize(QSizeF(96, 72));
+    place->setSizePolicy(QSizePolicy::Minimum, QSizePolicy::Minimum);
+
+    details->setMinimumSize(QSizeF(200, 112));
+    details->setPreferredSize(QSizeF(200, 112));
+    details->setSizePolicy(QSizePolicy::Minimum, QSizePolicy::Minimum);
+
+    tabbar->setPreferredSize(QSizeF(70, 24));
+    tabbar->setSizePolicy(QSizePolicy::Minimum, QSizePolicy::Minimum);
+
+    sunnyWeather->setPreferredSize(QSizeF(128, 97));
+    sunnyWeather->setSizePolicy(QSizePolicy::Minimum, QSizePolicy::Minimum);
+    sunnyWeather->setZValue(9999);
+
+    // start anchor layout
+    QGraphicsAnchorLayout *layout = new QGraphicsAnchorLayout;
+    layout->setSpacing(0);
+
+    // setup the main widget
+    QGraphicsWidget *widget = new QGraphicsWidget(nullptr, Qt::Window);
+    QPalette p;
+    p.setColor(QPalette::Window, Qt::black);
+    widget->setPalette(p);
+    widget->setPos(20, 20);
+    widget->setLayout(layout);
+
+    // vertical anchors
+    QGraphicsAnchor *anchor = layout->addAnchor(title, Qt::AnchorTop, layout, Qt::AnchorTop);
+    anchor = layout->addAnchor(place, Qt::AnchorTop, title, Qt::AnchorBottom);
+    anchor->setSpacing(12);
+    anchor = layout->addAnchor(place, Qt::AnchorBottom, layout, Qt::AnchorBottom);
+    anchor->setSpacing(12);
+
+    anchor = layout->addAnchor(sunnyWeather, Qt::AnchorTop, title, Qt::AnchorTop);
+    anchor = layout->addAnchor(sunnyWeather, Qt::AnchorBottom, layout, Qt::AnchorVerticalCenter);
+
+    anchor = layout->addAnchor(tabbar, Qt::AnchorTop, title, Qt::AnchorBottom);
+    anchor->setSpacing(5);
+    anchor = layout->addAnchor(details, Qt::AnchorTop, tabbar, Qt::AnchorBottom);
+    anchor->setSpacing(2);
+    anchor = layout->addAnchor(details, Qt::AnchorBottom, layout, Qt::AnchorBottom);
+    anchor->setSpacing(12);
+
+    // horizontal anchors
+    anchor = layout->addAnchor(layout, Qt::AnchorLeft, title, Qt::AnchorLeft);
+    anchor = layout->addAnchor(title, Qt::AnchorRight, layout, Qt::AnchorRight);
+
+    anchor = layout->addAnchor(place, Qt::AnchorLeft, layout, Qt::AnchorLeft);
+    anchor->setSpacing(15);
+    anchor = layout->addAnchor(place, Qt::AnchorRight, details, Qt::AnchorLeft);
+    anchor->setSpacing(35);
+
+    anchor = layout->addAnchor(sunnyWeather, Qt::AnchorLeft, place, Qt::AnchorHorizontalCenter);
+    anchor = layout->addAnchor(sunnyWeather, Qt::AnchorRight, layout, Qt::AnchorHorizontalCenter);
+
+    anchor = layout->addAnchor(tabbar, Qt::AnchorHorizontalCenter, details, Qt::AnchorHorizontalCenter);
+    anchor = layout->addAnchor(details, Qt::AnchorRight, layout, Qt::AnchorRight);
+
+    // QGV setup
+    scene.addItem(widget);
+    scene.setBackgroundBrush(Qt::white);
+    QGraphicsView *view = new QGraphicsView(&scene);
+    view->show();
+
+    return app.exec();
+}
+
+#include "main.moc"

tests/manual/qgraphicslayout/weatheranchorlayout/weatheranchorlayout.pro

@@ -0,0 +1,8 @@
+QT += widgets
+
+SOURCES += main.cpp
+RESOURCES += weatheranchorlayout.qrc
+
+# install
+target.path = $$[QT_INSTALL_EXAMPLES]/widgets/graphicsview/weatheranchorlayout
+INSTALLS += target

tests/manual/qgraphicslayout/weatheranchorlayout/weatheranchorlayout.qrc

@@ -0,0 +1,10 @@
+<!DOCTYPE RCC><RCC version="1.0">
+<qresource>
+    <file>images/5days.jpg</file>
+    <file>images/title.jpg</file>
+    <file>images/place.jpg</file>
+    <file>images/tabbar.jpg</file>
+    <file>images/details.jpg</file>
+    <file>images/weather-few-clouds.png</file>
+</qresource>
+</RCC>