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qt5base-lts/tests/manual/qgraphicslayout/flicker/window.h
Friedemann Kleint 37842c2fdb Compile most manual tests with Qt 4. 
Replace <QtWidgets> includes by class includes, remove tests
that do not compile.

Change-Id: I52837e8c567dc8ac365c7d43c37beb9a368f6f72
Reviewed-by: Joerg Bornemann <joerg.bornemann@digia.com>
2013-03-22 19:52:26 +01:00

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/****************************************************************************
**
** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the test suite of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** 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, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, 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.
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef WINDOW_H
#define WINDOW_H
#include <QGraphicsScene>
#include <QGraphicsWidget>
#include <QGraphicsLinearLayout>
#include <QGraphicsView>
#include <QSpinBox>
#include <QCheckBox>
#include <QPushButton>
#include <QLabel>
#include <QHBoxLayout>
#include <QPainter>
#include <QApplication>
#include <QThread>
#include <QMap>
#include <QTime>
#include <QDebug>
struct Statistics {
Statistics() : setGeometryCount(0), sleepMsecs(0), output(0),
currentBenchmarkIteration(0), relayoutClicked(false)
{
}
QMap<QGraphicsWidget*, int> setGeometryTracker;
QTime time;
int setGeometryCount;
int sleepMsecs;
QLabel *output;
void sleep()
{
#if QT_VERSION >= 0x050000
QThread::msleep(sleepMsecs);
#else
qWarning("%s unimplemented", Q_FUNC_INFO);
#endif
}
int currentBenchmarkIteration;
bool relayoutClicked;
};
class Window;
class SlowWidget : public QGraphicsWidget {
public:
SlowWidget(QGraphicsWidget *w = 0, Qt::WindowFlags wFlags = 0) : QGraphicsWidget(w, wFlags)
{
m_window = 0;
}
void setStats(Statistics *stats)
{
m_stats = stats;
}
void setWindow(Window *window)
{
m_window = window;
}
void setGeometry(const QRectF &rect);
bool event(QEvent *e)
{
if (e->type() == QEvent::LayoutRequest) {
if (m_stats->sleepMsecs > 0) {
m_stats->sleep();
qDebug("sleep %d ms\n", m_stats->sleepMsecs);
}
}
return QGraphicsWidget::event(e);
}
void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget)
{
Q_UNUSED(option);
Q_UNUSED(widget);
painter->setBrush(m_brush);
painter->drawRoundRect(rect());
painter->drawLine(rect().topLeft(), rect().bottomRight());
painter->drawLine(rect().bottomLeft(), rect().topRight());
}
void setBrush(const QBrush &brush)
{
m_brush = brush;
}
private:
QBrush m_brush;
Statistics *m_stats;
Window *m_window;
};
class Window : public QWidget {
Q_OBJECT
public:
Window() : QWidget()
{
QGraphicsView *m_view = new QGraphicsView(&scene);
m_window = 0;
m_leaf = 0;
m_button = new QPushButton(tr("Relayout"));
m_button->setObjectName("button");
m_sleepLabel = new QLabel(tr("Sleep:"));
m_sleepSpinBox = new QSpinBox;
m_sleepSpinBox->setRange(0, 1000);
m_sleepSpinBox->setSingleStep(10);
m_depthLabel = new QLabel(tr("Depth:"));
m_depthSpinBox = new QSpinBox;
m_depthSpinBox->setObjectName("depthSpinBox");
m_depthSpinBox->setRange(1, 200);
m_depthSpinBox->setSingleStep(5);
m_benchmarkIterationsLabel = new QLabel(tr("Benchmark iterations"));
m_benchmarkIterationsSpinBox = new QSpinBox;
m_benchmarkIterationsSpinBox->setObjectName("benchmarkIterationsSpinBox");
m_benchmarkIterationsSpinBox->setRange(1, 1000);
m_benchmarkIterationsSpinBox->setValue(41);
m_benchmarkIterationsSpinBox->setSingleStep(10);
m_instantCheckBox = new QCheckBox(tr("Instant propagation"));
m_instantCheckBox->setObjectName("instantPropagationCheckbox");
QGraphicsLayout::setInstantInvalidatePropagation(true);
m_instantCheckBox->setChecked(QGraphicsLayout::instantInvalidatePropagation());
m_resultLabel = new QLabel(tr("Press relayout to start test"));
QHBoxLayout *hbox = new QHBoxLayout;
hbox->addWidget(m_sleepLabel);
hbox->addWidget(m_sleepSpinBox);
hbox->addWidget(m_depthLabel);
hbox->addWidget(m_depthSpinBox);
hbox->addWidget(m_benchmarkIterationsLabel);
hbox->addWidget(m_benchmarkIterationsSpinBox);
hbox->addWidget(m_instantCheckBox);
hbox->addWidget(m_resultLabel);
hbox->addStretch();
hbox->addWidget(m_button);
QVBoxLayout *vbox = new QVBoxLayout;
vbox->addWidget(m_view);
vbox->addLayout(hbox);
setLayout(vbox);
metaObject()->connectSlotsByName(this);
m_depthSpinBox->setValue(20); // triggers purposedly on_depthSpinBox_valueChanged
}
private slots:
void on_depthSpinBox_valueChanged(int value)
{
m_stats.relayoutClicked = false;
if (m_window) {
QApplication::processEvents();
delete m_window;
}
m_window = new SlowWidget(0, Qt::Window);
m_window->setStats(&m_stats);
m_window->setWindow(this);
QColor col(Qt::black);
m_window->setBrush(col);
scene.addItem(m_window);
m_leaf = 0;
const int depth = value;
SlowWidget *parent = m_window;
for (int i = 1; i < depth; ++i) {
QGraphicsLinearLayout *l = new QGraphicsLinearLayout(parent);
l->setContentsMargins(2,2,2,2);
SlowWidget *child = new SlowWidget;
QColor col;
col.setHsl(0, 0, 255*i/(depth - 1));
child->setBrush(col);
child->setStats(&m_stats);
child->setWindow(this);
l->addItem(child);
parent = child;
}
m_leaf = parent;
}
void on_button_clicked(bool /*check = false*/)
{
m_stats.relayoutClicked = true;
if (m_leaf) {
QSizeF sz = m_leaf->size();
int w = int(sz.width());
w^=16;
sz = QSizeF(w,w);
m_stats.output = m_resultLabel;
m_stats.output->setText(QString("wait..."));
m_stats.setGeometryCount = 0;
m_stats.setGeometryTracker.clear();
m_stats.sleepMsecs = m_sleepSpinBox->value();
m_stats.time.start();
m_stats.currentBenchmarkIteration = 0;
m_leaf->setMinimumSize(sz);
m_leaf->setMaximumSize(sz);
}
}
void on_instantPropagationCheckbox_toggled(bool checked)
{
QGraphicsLayout::setInstantInvalidatePropagation(checked);
}
public slots:
void doAgain()
{
if (m_leaf) {
QSizeF sz = m_leaf->size();
int w = int(sz.width());
w^=16;
sz = QSizeF(w,w);
m_leaf->setMinimumSize(sz);
m_leaf->setMaximumSize(sz);
}
}
private:
public:
QGraphicsScene scene;
QGraphicsView *m_view;
QPushButton *m_button;
QLabel *m_sleepLabel;
QSpinBox *m_sleepSpinBox;
QLabel *m_depthLabel;
QSpinBox *m_depthSpinBox;
QLabel *m_benchmarkIterationsLabel;
QSpinBox *m_benchmarkIterationsSpinBox;
QCheckBox *m_instantCheckBox;
QLabel *m_resultLabel;
QGraphicsWidget *m_leaf;
SlowWidget *m_window;
Statistics m_stats;
};
#endif //WINDOW_H
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