qt 6.5.1 original

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>