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-rw-r--r--examples/graphicsview/basicgraphicslayouts/layoutitem.cpp50
-rw-r--r--examples/graphicsview/basicgraphicslayouts/layoutitem.h12
-rw-r--r--examples/graphicsview/diagramscene/mainwindow.cpp2
-rw-r--r--examples/graphicsview/elasticnodes/node.cpp1
-rw-r--r--examples/graphicsview/flowlayout/flowlayout.cpp210
-rw-r--r--examples/graphicsview/flowlayout/flowlayout.h77
-rw-r--r--examples/graphicsview/flowlayout/flowlayout.pro12
-rw-r--r--examples/graphicsview/flowlayout/main.cpp55
-rw-r--r--examples/graphicsview/flowlayout/window.cpp63
-rw-r--r--examples/graphicsview/flowlayout/window.h48
10 files changed, 516 insertions, 14 deletions
diff --git a/examples/graphicsview/basicgraphicslayouts/layoutitem.cpp b/examples/graphicsview/basicgraphicslayouts/layoutitem.cpp
index 8216b6e..7311b65 100644
--- a/examples/graphicsview/basicgraphicslayouts/layoutitem.cpp
+++ b/examples/graphicsview/basicgraphicslayouts/layoutitem.cpp
@@ -43,19 +43,18 @@
//! [0]
LayoutItem::LayoutItem(QGraphicsItem *parent/* = 0*/)
- : QGraphicsWidget(parent)
+ : QGraphicsLayoutItem(), QGraphicsItem(parent)
{
- pix = new QPixmap(QLatin1String(":/images/block.png"));
- // Do not allow a size smaller than the pixmap with two frames around it.
- setMinimumSize(pix->size() + QSize(12, 12));
+ m_pix = new QPixmap(QLatin1String(":/images/block.png"));
+ setGraphicsItem(this);
}
//! [0]
LayoutItem::~LayoutItem()
{
- delete pix;
+ delete m_pix;
}
-
+
//! [1]
void LayoutItem::paint(QPainter *painter,
const QStyleOptionGraphicsItem *option, QWidget *widget /*= 0*/)
@@ -64,8 +63,8 @@ void LayoutItem::paint(QPainter *painter,
Q_UNUSED(option);
QRectF frame(QPointF(0,0), geometry().size());
- qreal w = pix->width();
- qreal h = pix->height();
+ qreal w = m_pix->width();
+ qreal h = m_pix->height();
QGradientStops stops;
//! [1]
@@ -94,6 +93,39 @@ void LayoutItem::paint(QPainter *painter,
gradient.setStops(stops);
painter->setBrush(QBrush(gradient));
painter->drawRoundedRect(innerFrame, 10.0, 10.0);
- painter->drawPixmap(pixpos, *pix);
+ painter->drawPixmap(pixpos, *m_pix);
}
//! [2]
+
+//! [3]
+QRectF LayoutItem::boundingRect() const
+{
+ return QRectF(QPointF(0,0), geometry().size());
+}
+//! [3]
+
+//! [4]
+void LayoutItem::setGeometry(const QRectF &geom)
+{
+ prepareGeometryChange();
+ QGraphicsLayoutItem::setGeometry(geom);
+ setPos(geom.topLeft());
+}
+//! [4]
+
+//! [5]
+QSizeF LayoutItem::sizeHint(Qt::SizeHint which, const QSizeF &constraint) const
+{
+ switch (which) {
+ case Qt::MinimumSize:
+ case Qt::PreferredSize:
+ // Do not allow a size smaller than the pixmap with two frames around it.
+ return m_pix->size() + QSize(12, 12);
+ case Qt::MaximumSize:
+ return QSizeF(1000,1000);
+ default:
+ break;
+ }
+ return constraint;
+}
+//! [5]
diff --git a/examples/graphicsview/basicgraphicslayouts/layoutitem.h b/examples/graphicsview/basicgraphicslayouts/layoutitem.h
index cbda636..8ec9038 100644
--- a/examples/graphicsview/basicgraphicslayouts/layoutitem.h
+++ b/examples/graphicsview/basicgraphicslayouts/layoutitem.h
@@ -44,18 +44,22 @@
#include <QtGui>
//! [0]
-class LayoutItem : public QGraphicsWidget
+class LayoutItem : public QGraphicsLayoutItem, public QGraphicsItem
{
- Q_OBJECT
-
public:
LayoutItem(QGraphicsItem *parent = 0);
~LayoutItem();
+ // Inherited from QGraphicsLayoutItem
+ void setGeometry(const QRectF &geom);
+ QSizeF sizeHint(Qt::SizeHint which, const QSizeF &constraint = QSizeF()) const;
+
+ // Inherited from QGraphicsItem
+ QRectF boundingRect() const;
void paint(QPainter *painter, const QStyleOptionGraphicsItem *option,
QWidget *widget = 0);
private:
- QPixmap *pix;
+ QPixmap *m_pix;
};
//! [0]
diff --git a/examples/graphicsview/diagramscene/mainwindow.cpp b/examples/graphicsview/diagramscene/mainwindow.cpp
index b536a7a..78fac30 100644
--- a/examples/graphicsview/diagramscene/mainwindow.cpp
+++ b/examples/graphicsview/diagramscene/mainwindow.cpp
@@ -401,7 +401,7 @@ void MainWindow::createActions()
this, SLOT(deleteItem()));
exitAction = new QAction(tr("E&xit"), this);
- exitAction->setShortcut(tr("Ctrl+X"));
+ exitAction->setShortcuts(QKeySequence::Quit);
exitAction->setStatusTip(tr("Quit Scenediagram example"));
connect(exitAction, SIGNAL(triggered()), this, SLOT(close()));
diff --git a/examples/graphicsview/elasticnodes/node.cpp b/examples/graphicsview/elasticnodes/node.cpp
index 6942fa0..53fe994 100644
--- a/examples/graphicsview/elasticnodes/node.cpp
+++ b/examples/graphicsview/elasticnodes/node.cpp
@@ -52,6 +52,7 @@ Node::Node(GraphWidget *graphWidget)
: graph(graphWidget)
{
setFlag(ItemIsMovable);
+ setFlag(ItemSendsGeometryChanges);
setCacheMode(DeviceCoordinateCache);
setZValue(1);
}
diff --git a/examples/graphicsview/flowlayout/flowlayout.cpp b/examples/graphicsview/flowlayout/flowlayout.cpp
new file mode 100644
index 0000000..d36c37f
--- /dev/null
+++ b/examples/graphicsview/flowlayout/flowlayout.cpp
@@ -0,0 +1,210 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (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 either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** 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 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 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 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "flowlayout.h"
+#include <QtGui/qwidget.h>
+#include <QtCore/qmath.h>
+
+FlowLayout::FlowLayout()
+{
+ m_spacing[0] = 6;
+ m_spacing[1] = 6;
+ QSizePolicy sp = sizePolicy();
+ sp.setHeightForWidth(true);
+ setSizePolicy(sp);
+}
+
+void FlowLayout::insertItem(int index, QGraphicsLayoutItem *item)
+{
+ item->setParentLayoutItem(this);
+ if (uint(index) > uint(m_items.count()))
+ index = m_items.count();
+ m_items.insert(index, item);
+ invalidate();
+}
+
+int FlowLayout::count() const
+{
+ return m_items.count();
+}
+
+QGraphicsLayoutItem *FlowLayout::itemAt(int index) const
+{
+ return m_items.value(index);
+}
+
+void FlowLayout::removeAt(int index)
+{
+ m_items.removeAt(index);
+ invalidate();
+}
+
+qreal FlowLayout::spacing(Qt::Orientation o) const
+{
+ return m_spacing[int(o) - 1];
+}
+
+void FlowLayout::setSpacing(Qt::Orientations o, qreal spacing)
+{
+ if (o & Qt::Horizontal)
+ m_spacing[0] = spacing;
+ if (o & Qt::Vertical)
+ m_spacing[1] = spacing;
+}
+
+void FlowLayout::setGeometry(const QRectF &geom)
+{
+ QGraphicsLayout::setGeometry(geom);
+ doLayout(geom, true);
+}
+
+qreal FlowLayout::doLayout(const QRectF &geom, bool applyNewGeometry) const
+{
+ QPointF tl = geom.topLeft();
+ qreal maxw = geom.width();
+
+ qreal left, top, right, bottom;
+ getContentsMargins(&left, &top, &right, &bottom);
+ maxw = maxw - left - right;
+ qreal x = 0;
+ qreal y = 0;
+ qreal maxRowHeight = 0;
+ QSizeF pref;
+ for (int i = 0; i < m_items.count(); ++i) {
+ QGraphicsLayoutItem *item = m_items.at(i);
+ pref = item->effectiveSizeHint(Qt::PreferredSize);
+ maxRowHeight = qMax(maxRowHeight, pref.height());
+
+ qreal next_x;
+ next_x = x + pref.width();
+ if (next_x > maxw) {
+ if (x == 0) {
+ pref.setWidth(maxw);
+ } else {
+ x = 0;
+ next_x = pref.width();
+ }
+ y += maxRowHeight + spacing(Qt::Vertical);
+ maxRowHeight = 0;
+ }
+
+ if (applyNewGeometry)
+ item->setGeometry(QRectF(QPointF(left + x, top + y), pref));
+ x = next_x + spacing(Qt::Horizontal);
+ }
+ maxRowHeight = qMax(maxRowHeight, pref.height());
+ return top + y + maxRowHeight + bottom;
+}
+
+QSizeF FlowLayout::minSize(const QSizeF &constraint) const
+{
+ QSizeF size(0, 0);
+ qreal left, top, right, bottom;
+ getContentsMargins(&left, &top, &right, &bottom);
+ if (constraint.width() > 0) { // height for width
+ qreal height = doLayout(QRectF(QPointF(0,0), constraint), false);
+ size = QSizeF(constraint.width(), height);
+ } else {
+ QGraphicsLayoutItem *item;
+ foreach (item, m_items)
+ size = size.expandedTo(item->effectiveSizeHint(Qt::MinimumSize));
+ size += QSize(left + right, top + bottom);
+ }
+ return size;
+}
+
+QSizeF FlowLayout::prefSize() const
+{
+ qreal left, top, right, bottom;
+ getContentsMargins(&left, &top, &right, &bottom);
+
+ QGraphicsLayoutItem *item;
+ qreal maxh = 0;
+ qreal totalWidth = 0;
+ foreach (item, m_items) {
+ if (totalWidth > 0)
+ totalWidth += spacing(Qt::Horizontal);
+ QSizeF pref = item->effectiveSizeHint(Qt::PreferredSize);
+ totalWidth += pref.width();
+ maxh = qMax(maxh, pref.height());
+ }
+ maxh += spacing(Qt::Vertical);
+
+ const qreal goldenAspectRatio = 1.61803399;
+ qreal w = qSqrt(totalWidth * maxh * goldenAspectRatio) + left + right;
+
+ return minSize(QSizeF(w, -1));
+}
+
+QSizeF FlowLayout::maxSize() const
+{
+ QGraphicsLayoutItem *item;
+ qreal totalWidth = 0;
+ qreal totalHeight = 0;
+ foreach (item, m_items) {
+ if (totalWidth > 0)
+ totalWidth += spacing(Qt::Horizontal);
+ if (totalHeight > 0)
+ totalHeight += spacing(Qt::Vertical);
+ QSizeF pref = item->effectiveSizeHint(Qt::PreferredSize);
+ totalWidth += pref.width();
+ totalHeight += pref.height();
+ }
+
+ qreal left, top, right, bottom;
+ getContentsMargins(&left, &top, &right, &bottom);
+ return QSizeF(left + totalWidth + right, top + totalHeight + bottom);
+}
+
+QSizeF FlowLayout::sizeHint(Qt::SizeHint which, const QSizeF &constraint) const
+{
+ switch (which) {
+ case Qt::PreferredSize:
+ return prefSize();
+ case Qt::MinimumSize:
+ return minSize(constraint);
+ case Qt::MaximumSize:
+ return maxSize();
+ default:
+ break;
+ }
+ return constraint;
+}
diff --git a/examples/graphicsview/flowlayout/flowlayout.h b/examples/graphicsview/flowlayout/flowlayout.h
new file mode 100644
index 0000000..c1e5635
--- /dev/null
+++ b/examples/graphicsview/flowlayout/flowlayout.h
@@ -0,0 +1,77 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (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 either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** 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 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 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 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <QtGui/qgraphicslayout.h>
+
+class FlowLayout : public QGraphicsLayout
+{
+public:
+ FlowLayout();
+ inline void addItem(QGraphicsLayoutItem *item);
+ void insertItem(int index, QGraphicsLayoutItem *item);
+ void setSpacing(Qt::Orientations o, qreal spacing);
+ qreal spacing(Qt::Orientation o) const;
+
+ // inherited functions
+ void setGeometry(const QRectF &geom);
+
+ int count() const;
+ QGraphicsLayoutItem *itemAt(int index) const;
+ void removeAt(int index);
+
+protected:
+ QSizeF sizeHint(Qt::SizeHint which, const QSizeF &constraint = QSizeF()) const;
+
+private:
+ qreal doLayout(const QRectF &geom, bool applyNewGeometry) const;
+ QSizeF minSize(const QSizeF &constraint) const;
+ QSizeF prefSize() const;
+ QSizeF maxSize() const;
+
+ QList<QGraphicsLayoutItem*> m_items;
+ qreal m_spacing[2];
+};
+
+
+inline void FlowLayout::addItem(QGraphicsLayoutItem *item)
+{
+ insertItem(-1, item);
+}
diff --git a/examples/graphicsview/flowlayout/flowlayout.pro b/examples/graphicsview/flowlayout/flowlayout.pro
new file mode 100644
index 0000000..c029d6c
--- /dev/null
+++ b/examples/graphicsview/flowlayout/flowlayout.pro
@@ -0,0 +1,12 @@
+######################################################################
+# Automatically generated by qmake (2.01a) ma 30. mar 12:46:15 2009
+######################################################################
+
+TEMPLATE = app
+TARGET =
+DEPENDPATH += .
+INCLUDEPATH += .
+
+# Input
+HEADERS += flowlayout.h window.h
+SOURCES += flowlayout.cpp main.cpp window.cpp
diff --git a/examples/graphicsview/flowlayout/main.cpp b/examples/graphicsview/flowlayout/main.cpp
new file mode 100644
index 0000000..d1a40c7
--- /dev/null
+++ b/examples/graphicsview/flowlayout/main.cpp
@@ -0,0 +1,55 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (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 either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** 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 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 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 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <QtGui>
+#include "window.h"
+
+int main(int argc, char **argv)
+{
+ QApplication app(argc, argv);
+
+ QGraphicsScene scene;
+ QGraphicsView *view = new QGraphicsView(&scene);
+ Window *w = new Window;
+ scene.addItem(w);
+ view->show();
+ return app.exec();
+}
diff --git a/examples/graphicsview/flowlayout/window.cpp b/examples/graphicsview/flowlayout/window.cpp
new file mode 100644
index 0000000..dd53b56
--- /dev/null
+++ b/examples/graphicsview/flowlayout/window.cpp
@@ -0,0 +1,63 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (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 either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** 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 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 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 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <QtGui/qgraphicsproxywidget.h>
+#include <QtGui/qlabel.h>
+#include "flowlayout.h"
+#include "window.h"
+
+Window::Window()
+: QGraphicsWidget(0, Qt::Window)
+{
+ FlowLayout *lay = new FlowLayout;
+ QLatin1String wiseWords("I am not bothered by the fact that I am unknown."
+ "I am bothered when I do not know others. (Confucius)");
+ QString sentence(wiseWords);
+ QStringList words = sentence.split(QLatin1Char(' '), QString::SkipEmptyParts);
+ for (int i = 0; i < words.count(); ++i) {
+ QGraphicsProxyWidget *proxy = new QGraphicsProxyWidget(this);
+ QLabel *label = new QLabel(words.at(i));
+ label->setFrameStyle(QFrame::Box | QFrame::Plain);
+ proxy->setWidget(label);
+ lay->addItem(proxy);
+ }
+ setLayout(lay);
+}
diff --git a/examples/graphicsview/flowlayout/window.h b/examples/graphicsview/flowlayout/window.h
new file mode 100644
index 0000000..6d315f5
--- /dev/null
+++ b/examples/graphicsview/flowlayout/window.h
@@ -0,0 +1,48 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (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 either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** 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 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 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 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <QtGui/qgraphicswidget.h>
+
+class Window : public QGraphicsWidget {
+ Q_OBJECT
+public:
+ Window();
+};