2b75c156b6
Change-Id: I6441ff931dbd33b698d762e6f6784898f3f60fe7 Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@theqtcompany.com>
127 lines
5.0 KiB
C++
127 lines
5.0 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2015 The Qt Company Ltd.
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** Contact: http://www.qt.io/licensing/
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**
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** This file is part of the examples of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:BSD$
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** You may use this file under the terms of the BSD license as follows:
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**
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** "Redistribution and use in source and binary forms, with or without
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** modification, are permitted provided that the following conditions are
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** met:
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** * Redistributions of source code must retain the above copyright
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** notice, this list of conditions and the following disclaimer.
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** * Redistributions in binary form must reproduce the above copyright
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** notice, this list of conditions and the following disclaimer in
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** the documentation and/or other materials provided with the
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** distribution.
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** * Neither the name of The Qt Company Ltd nor the names of its
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** contributors may be used to endorse or promote products derived
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** from this software without specific prior written permission.
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**
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**
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** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include <QtWidgets>
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static QGraphicsProxyWidget *createItem(const QSizeF &minimum = QSizeF(100.0, 100.0),
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const QSizeF &preferred = QSize(150.0, 100.0),
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const QSizeF &maximum = QSizeF(200.0, 100.0),
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const QString &name = "0")
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{
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QGraphicsProxyWidget *w = new QGraphicsProxyWidget;
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w->setWidget(new QPushButton(name));
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w->setData(0, name);
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w->setMinimumSize(minimum);
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w->setPreferredSize(preferred);
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w->setMaximumSize(maximum);
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w->setSizePolicy(QSizePolicy::Preferred, QSizePolicy::Preferred);
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return w;
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}
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int main(int argc, char **argv)
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{
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QApplication app(argc, argv);
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QGraphicsScene scene;
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scene.setSceneRect(0, 0, 800, 480);
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QSizeF minSize(30, 100);
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QSizeF prefSize(210, 100);
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QSizeF maxSize(300, 100);
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QGraphicsProxyWidget *a = createItem(minSize, prefSize, maxSize, "A");
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QGraphicsProxyWidget *b = createItem(minSize, prefSize, maxSize, "B");
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QGraphicsProxyWidget *c = createItem(minSize, prefSize, maxSize, "C");
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QGraphicsProxyWidget *d = createItem(minSize, prefSize, maxSize, "D");
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QGraphicsProxyWidget *e = createItem(minSize, prefSize, maxSize, "E");
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QGraphicsProxyWidget *f = createItem(QSizeF(30, 50), QSizeF(150, 50), maxSize, "F (overflow)");
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QGraphicsProxyWidget *g = createItem(QSizeF(30, 50), QSizeF(30, 100), maxSize, "G (overflow)");
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QGraphicsAnchorLayout *l = new QGraphicsAnchorLayout;
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l->setSpacing(0);
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QGraphicsWidget *w = new QGraphicsWidget(0, Qt::Window);
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w->setPos(20, 20);
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w->setLayout(l);
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// vertical
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l->addAnchor(a, Qt::AnchorTop, l, Qt::AnchorTop);
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l->addAnchor(b, Qt::AnchorTop, l, Qt::AnchorTop);
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l->addAnchor(c, Qt::AnchorTop, a, Qt::AnchorBottom);
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l->addAnchor(c, Qt::AnchorTop, b, Qt::AnchorBottom);
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l->addAnchor(c, Qt::AnchorBottom, d, Qt::AnchorTop);
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l->addAnchor(c, Qt::AnchorBottom, e, Qt::AnchorTop);
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l->addAnchor(d, Qt::AnchorBottom, l, Qt::AnchorBottom);
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l->addAnchor(e, Qt::AnchorBottom, l, Qt::AnchorBottom);
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l->addAnchor(c, Qt::AnchorTop, f, Qt::AnchorTop);
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l->addAnchor(c, Qt::AnchorVerticalCenter, f, Qt::AnchorBottom);
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l->addAnchor(f, Qt::AnchorBottom, g, Qt::AnchorTop);
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l->addAnchor(c, Qt::AnchorBottom, g, Qt::AnchorBottom);
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// horizontal
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l->addAnchor(l, Qt::AnchorLeft, a, Qt::AnchorLeft);
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l->addAnchor(l, Qt::AnchorLeft, d, Qt::AnchorLeft);
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l->addAnchor(a, Qt::AnchorRight, b, Qt::AnchorLeft);
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l->addAnchor(a, Qt::AnchorRight, c, Qt::AnchorLeft);
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l->addAnchor(c, Qt::AnchorRight, e, Qt::AnchorLeft);
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l->addAnchor(b, Qt::AnchorRight, l, Qt::AnchorRight);
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l->addAnchor(e, Qt::AnchorRight, l, Qt::AnchorRight);
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l->addAnchor(d, Qt::AnchorRight, e, Qt::AnchorLeft);
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l->addAnchor(l, Qt::AnchorLeft, f, Qt::AnchorLeft);
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l->addAnchor(l, Qt::AnchorLeft, g, Qt::AnchorLeft);
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l->addAnchor(f, Qt::AnchorRight, g, Qt::AnchorRight);
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scene.addItem(w);
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scene.setBackgroundBrush(Qt::darkGreen);
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QGraphicsView view(&scene);
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view.show();
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return app.exec();
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}
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