2011-04-28 11:23:42 +00:00
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/****************************************************************************
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**
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2012-01-05 04:03:39 +00:00
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** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
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2012-01-20 03:06:31 +00:00
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** Contact: http://www.qt-project.org/
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2011-04-28 11:23:42 +00:00
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**
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** This file is part of the test suite of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** GNU Lesser General Public License Usage
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2011-05-24 09:34:08 +00:00
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** This file may be used under the terms of the GNU Lesser General Public
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** License version 2.1 as published by the Free Software Foundation and
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** appearing in the file LICENSE.LGPL included in the packaging of this
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** file. Please review the following information to ensure the GNU Lesser
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** General Public License version 2.1 requirements will be met:
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** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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2011-04-28 11:23:42 +00:00
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**
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** In addition, as a special exception, Nokia gives you certain additional
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2011-05-24 09:34:08 +00:00
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** rights. These rights are described in the Nokia Qt LGPL Exception
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2011-04-28 11:23:42 +00:00
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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2011-05-24 09:34:08 +00:00
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU General
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** Public License version 3.0 as published by the Free Software Foundation
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** and appearing in the file LICENSE.GPL included in the packaging of this
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** file. Please review the following information to ensure the GNU General
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** Public License version 3.0 requirements will be met:
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** http://www.gnu.org/copyleft/gpl.html.
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2011-04-28 11:23:42 +00:00
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**
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2011-05-24 09:34:08 +00:00
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** Other Usage
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** Alternatively, this file may be used in accordance with the terms and
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** conditions contained in a signed written agreement between you and Nokia.
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2011-04-28 11:23:42 +00:00
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**
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**
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**
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**
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**
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2012-01-24 06:17:24 +00:00
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**
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2011-04-28 11:23:42 +00:00
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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2011-03-18 15:33:31 +00:00
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#ifndef WINDOW_H
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#define WINDOW_H
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2012-04-12 10:56:20 +00:00
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#include <QtWidgets>
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2011-03-18 15:33:31 +00:00
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struct Statistics {
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2012-04-12 11:59:03 +00:00
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Statistics() : setGeometryCount(0), sleepMsecs(0), output(0),
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currentBenchmarkIteration(0), relayoutClicked(false)
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2011-03-18 15:33:31 +00:00
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{
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}
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QMap<QGraphicsWidget*, int> setGeometryTracker;
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QTime time;
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int setGeometryCount;
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int sleepMsecs;
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QLabel *output;
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void sleep()
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{
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2011-08-15 11:43:45 +00:00
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QThread::msleep(sleepMsecs);
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2011-03-18 15:33:31 +00:00
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}
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int currentBenchmarkIteration;
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bool relayoutClicked;
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};
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class Window;
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class SlowWidget : public QGraphicsWidget {
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public:
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SlowWidget(QGraphicsWidget *w = 0, Qt::WindowFlags wFlags = 0) : QGraphicsWidget(w, wFlags)
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{
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m_window = 0;
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}
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void setStats(Statistics *stats)
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{
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m_stats = stats;
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}
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void setWindow(Window *window)
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{
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m_window = window;
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}
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void setGeometry(const QRectF &rect);
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bool event(QEvent *e)
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{
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if (e->type() == QEvent::LayoutRequest) {
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if (m_stats->sleepMsecs > 0) {
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m_stats->sleep();
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qDebug("sleep %d ms\n", m_stats->sleepMsecs);
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}
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}
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return QGraphicsWidget::event(e);
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}
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void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget)
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{
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Q_UNUSED(option);
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Q_UNUSED(widget);
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painter->setBrush(m_brush);
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painter->drawRoundRect(rect());
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painter->drawLine(rect().topLeft(), rect().bottomRight());
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painter->drawLine(rect().bottomLeft(), rect().topRight());
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}
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void setBrush(const QBrush &brush)
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{
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m_brush = brush;
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}
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private:
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QBrush m_brush;
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Statistics *m_stats;
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Window *m_window;
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};
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class Window : public QWidget {
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Q_OBJECT
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public:
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Window() : QWidget()
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{
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QGraphicsView *m_view = new QGraphicsView(&scene);
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m_window = 0;
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m_leaf = 0;
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m_button = new QPushButton(tr("Relayout"));
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m_button->setObjectName("button");
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m_sleepLabel = new QLabel(tr("Sleep:"));
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m_sleepSpinBox = new QSpinBox;
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m_sleepSpinBox->setRange(0, 1000);
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m_sleepSpinBox->setSingleStep(10);
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m_depthLabel = new QLabel(tr("Depth:"));
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m_depthSpinBox = new QSpinBox;
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m_depthSpinBox->setObjectName("depthSpinBox");
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m_depthSpinBox->setRange(1, 200);
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m_depthSpinBox->setSingleStep(5);
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m_benchmarkIterationsLabel = new QLabel(tr("Benchmark iterations"));
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m_benchmarkIterationsSpinBox = new QSpinBox;
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m_benchmarkIterationsSpinBox->setObjectName("benchmarkIterationsSpinBox");
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m_benchmarkIterationsSpinBox->setRange(1, 1000);
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m_benchmarkIterationsSpinBox->setValue(41);
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m_benchmarkIterationsSpinBox->setSingleStep(10);
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m_instantCheckBox = new QCheckBox(tr("Instant propagation"));
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m_instantCheckBox->setObjectName("instantPropagationCheckbox");
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QGraphicsLayout::setInstantInvalidatePropagation(true);
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m_instantCheckBox->setChecked(QGraphicsLayout::instantInvalidatePropagation());
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m_resultLabel = new QLabel(tr("Press relayout to start test"));
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QHBoxLayout *hbox = new QHBoxLayout;
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hbox->addWidget(m_sleepLabel);
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hbox->addWidget(m_sleepSpinBox);
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hbox->addWidget(m_depthLabel);
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hbox->addWidget(m_depthSpinBox);
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hbox->addWidget(m_benchmarkIterationsLabel);
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hbox->addWidget(m_benchmarkIterationsSpinBox);
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hbox->addWidget(m_instantCheckBox);
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hbox->addWidget(m_resultLabel);
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hbox->addStretch();
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hbox->addWidget(m_button);
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QVBoxLayout *vbox = new QVBoxLayout;
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vbox->addWidget(m_view);
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vbox->addLayout(hbox);
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setLayout(vbox);
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metaObject()->connectSlotsByName(this);
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m_depthSpinBox->setValue(20); // triggers purposedly on_depthSpinBox_valueChanged
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}
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private slots:
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void on_depthSpinBox_valueChanged(int value)
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{
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m_stats.relayoutClicked = false;
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if (m_window) {
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QApplication::processEvents();
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delete m_window;
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}
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m_window = new SlowWidget(0, Qt::Window);
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m_window->setStats(&m_stats);
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m_window->setWindow(this);
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QColor col(Qt::black);
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m_window->setBrush(col);
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scene.addItem(m_window);
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m_leaf = 0;
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const int depth = value;
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SlowWidget *parent = m_window;
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for (int i = 1; i < depth; ++i) {
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QGraphicsLinearLayout *l = new QGraphicsLinearLayout(parent);
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l->setContentsMargins(2,2,2,2);
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SlowWidget *child = new SlowWidget;
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QColor col;
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col.setHsl(0, 0, 255*i/(depth - 1));
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child->setBrush(col);
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child->setStats(&m_stats);
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child->setWindow(this);
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l->addItem(child);
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parent = child;
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}
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m_leaf = parent;
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}
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void on_button_clicked(bool /*check = false*/)
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{
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m_stats.relayoutClicked = true;
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if (m_leaf) {
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QSizeF sz = m_leaf->size();
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int w = int(sz.width());
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w^=16;
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sz = QSizeF(w,w);
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m_stats.output = m_resultLabel;
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m_stats.output->setText(QString("wait..."));
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m_stats.setGeometryCount = 0;
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m_stats.setGeometryTracker.clear();
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m_stats.sleepMsecs = m_sleepSpinBox->value();
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m_stats.time.start();
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m_stats.currentBenchmarkIteration = 0;
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m_leaf->setMinimumSize(sz);
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m_leaf->setMaximumSize(sz);
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}
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}
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void on_instantPropagationCheckbox_toggled(bool checked)
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{
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QGraphicsLayout::setInstantInvalidatePropagation(checked);
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}
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public slots:
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void doAgain()
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{
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if (m_leaf) {
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QSizeF sz = m_leaf->size();
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int w = int(sz.width());
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w^=16;
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sz = QSizeF(w,w);
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m_leaf->setMinimumSize(sz);
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m_leaf->setMaximumSize(sz);
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}
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}
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private:
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public:
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QGraphicsScene scene;
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QGraphicsView *m_view;
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QPushButton *m_button;
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QLabel *m_sleepLabel;
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QSpinBox *m_sleepSpinBox;
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QLabel *m_depthLabel;
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QSpinBox *m_depthSpinBox;
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QLabel *m_benchmarkIterationsLabel;
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QSpinBox *m_benchmarkIterationsSpinBox;
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QCheckBox *m_instantCheckBox;
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QLabel *m_resultLabel;
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QGraphicsWidget *m_leaf;
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SlowWidget *m_window;
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Statistics m_stats;
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};
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#endif //WINDOW_H
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