examples/graphicsview/anchorlayout/main.cpp
changeset 0 1918ee327afb
child 3 41300fa6a67c
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/examples/graphicsview/anchorlayout/main.cpp	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,129 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <QGraphicsWidget>
+#include <QGraphicsProxyWidget>
+#include <QGraphicsAnchorLayout>
+#include <QtGui>
+
+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");
+    QGraphicsProxyWidget *g = createItem(QSizeF(30, 50), QSizeF(30, 100), maxSize, "G");
+
+    QGraphicsAnchorLayout *l = new QGraphicsAnchorLayout;
+    l->setSpacing(0);
+
+    QGraphicsWidget *w = new QGraphicsWidget(0, Qt::Window);
+    w->setPos(20, 20);
+    w->setLayout(l);
+
+    // vertical
+    QGraphicsAnchor *anchor = l->addAnchor(a, Qt::AnchorTop, l, Qt::AnchorTop);
+    anchor = l->addAnchor(b, Qt::AnchorTop, l, Qt::AnchorTop);
+
+    anchor = l->addAnchor(c, Qt::AnchorTop, a, Qt::AnchorBottom);
+    anchor = l->addAnchor(c, Qt::AnchorTop, b, Qt::AnchorBottom);
+    anchor = l->addAnchor(c, Qt::AnchorBottom, d, Qt::AnchorTop);
+    anchor = l->addAnchor(c, Qt::AnchorBottom, e, Qt::AnchorTop);
+
+    anchor = l->addAnchor(d, Qt::AnchorBottom, l, Qt::AnchorBottom);
+    anchor = l->addAnchor(e, Qt::AnchorBottom, l, Qt::AnchorBottom);
+
+    anchor = l->addAnchor(c, Qt::AnchorTop, f, Qt::AnchorTop);
+    anchor = l->addAnchor(c, Qt::AnchorVerticalCenter, f, Qt::AnchorBottom);
+    anchor = l->addAnchor(f, Qt::AnchorBottom, g, Qt::AnchorTop);
+    anchor = l->addAnchor(c, Qt::AnchorBottom, g, Qt::AnchorBottom);
+
+    // horizontal
+    anchor = l->addAnchor(l, Qt::AnchorLeft, a, Qt::AnchorLeft);
+    anchor = l->addAnchor(l, Qt::AnchorLeft, d, Qt::AnchorLeft);
+    anchor = l->addAnchor(a, Qt::AnchorRight, b, Qt::AnchorLeft);
+
+    anchor = l->addAnchor(a, Qt::AnchorRight, c, Qt::AnchorLeft);
+    anchor = l->addAnchor(c, Qt::AnchorRight, e, Qt::AnchorLeft);
+
+    anchor = l->addAnchor(b, Qt::AnchorRight, l, Qt::AnchorRight);
+    anchor = l->addAnchor(e, Qt::AnchorRight, l, Qt::AnchorRight);
+    anchor = l->addAnchor(d, Qt::AnchorRight, e, Qt::AnchorLeft);
+
+    anchor = l->addAnchor(l, Qt::AnchorLeft, f, Qt::AnchorLeft);
+    anchor = l->addAnchor(l, Qt::AnchorLeft, g, Qt::AnchorLeft);
+    anchor = l->addAnchor(f, Qt::AnchorRight, g, Qt::AnchorRight);
+
+
+    scene.addItem(w);
+    scene.setBackgroundBrush(Qt::darkGreen);
+    QGraphicsView *view = new QGraphicsView(&scene);
+    view->show();
+
+    return app.exec();
+}