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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the test suite of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:GPL-EXCEPT$
** 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 The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include <qtest.h>
#include <QtWidgets/QLayout>
#include <QtGui/QPainter>
static void processEvents()
{
QApplication::processEvents();
QApplication::processEvents();
}
class UpdateWidget : public QWidget
{
public:
UpdateWidget(int rows, int columns)
: QWidget(0), rowCount(0), columnCount(0), opaqueChildren(false)
{
fill(rows, columns);
}
UpdateWidget(QWidget *parent = nullptr)
: QWidget(parent), rowCount(0), columnCount(0), opaqueChildren(false) {}
void fill(int rows, int columns)
{
if (rows == rowCount && columns == columnCount)
return;
delete layout();
QGridLayout *layout = new QGridLayout;
rowCount = rows;
columnCount = columns;
for (int row = 0; row < rowCount; ++row) {
for (int column = 0; column < columnCount; ++column) {
UpdateWidget *widget = new UpdateWidget;
widget->setFixedSize(20, 20);
layout->addWidget(widget, row, column);
children.append(widget);
}
}
setLayout(layout);
adjustSize();
QTest::qWait(250);
processEvents();
}
void setOpaqueChildren(bool enable)
{
if (opaqueChildren != enable) {
foreach (QWidget *w, children)
w->setAttribute(Qt::WA_OpaquePaintEvent, enable);
opaqueChildren = enable;
processEvents();
}
}
void paintEvent(QPaintEvent *)
{
static int color = Qt::black;
QPainter painter(this);
painter.fillRect(rect(), Qt::GlobalColor(color));
if (++color > Qt::darkYellow)
color = Qt::black;
}
QRegion updateRegion;
QList<UpdateWidget*> children;
int rowCount;
int columnCount;
bool opaqueChildren;
};
class tst_QWidget : public QObject
{
Q_OBJECT
public slots:
void initTestCase();
void init();
private slots:
void update_data();
void update();
void updatePartial_data();
void updatePartial();
void updateComplex_data();
void updateComplex();
private:
UpdateWidget widget;
};
void tst_QWidget::initTestCase()
{
widget.show();
QVERIFY(QTest::qWaitForWindowExposed(&widget));
QTest::qWait(300);
processEvents();
}
void tst_QWidget::init()
{
QVERIFY(widget.isVisible());
for (int i = 0; i < 3; ++i)
processEvents();
}
void tst_QWidget::update_data()
{
QTest::addColumn<int>("rows");
QTest::addColumn<int>("columns");
QTest::addColumn<int>("numUpdates");
QTest::addColumn<bool>("opaque");
QTest::newRow("10x10x1 transparent") << 10 << 10 << 1 << false;
QTest::newRow("10x10x10 transparent") << 10 << 10 << 10 << false;
QTest::newRow("10x10x100 transparent") << 10 << 10 << 100 << false;
QTest::newRow("10x10x1 opaque") << 10 << 10 << 1 << true;
QTest::newRow("10x10x10 opaque") << 10 << 10 << 10 << true;
QTest::newRow("10x10x100 opaque") << 10 << 10 << 100 << true;
QTest::newRow("25x25x1 transparent ") << 25 << 25 << 1 << false;
QTest::newRow("25x25x10 transparent") << 25 << 25 << 10 << false;
QTest::newRow("25x25x100 transparent") << 25 << 25 << 100 << false;
QTest::newRow("25x25x1 opaque") << 25 << 25 << 1 << true;
QTest::newRow("25x25x10 opaque") << 25 << 25 << 10 << true;
QTest::newRow("25x25x100 opaque") << 25 << 25 << 100 << true;
}
void tst_QWidget::update()
{
QFETCH(int, rows);
QFETCH(int, columns);
QFETCH(int, numUpdates);
QFETCH(bool, opaque);
widget.fill(rows, columns);
widget.setOpaqueChildren(opaque);
QBENCHMARK {
for (int i = 0; i < widget.children.size(); ++i) {
for (int j = 0; j < numUpdates; ++j)
widget.children.at(i)->update();
QApplication::processEvents();
}
}
QApplication::processEvents();
}
void tst_QWidget::updatePartial_data()
{
update_data();
}
void tst_QWidget::updatePartial()
{
QFETCH(int, rows);
QFETCH(int, columns);
QFETCH(int, numUpdates);
QFETCH(bool, opaque);
widget.fill(rows, columns);
widget.setOpaqueChildren(opaque);
QBENCHMARK {
for (int i = 0; i < widget.children.size(); ++i) {
QWidget *w = widget.children[i];
const int x = w->width() / 2;
const int y = w->height() / 2;
for (int j = 0; j < numUpdates; ++j) {
w->update(0, 0, x, y);
w->update(x, 0, x, y);
w->update(0, y, x, y);
w->update(x, y, x, y);
}
QApplication::processEvents();
}
}
}
void tst_QWidget::updateComplex_data()
{
update_data();
}
void tst_QWidget::updateComplex()
{
QFETCH(int, rows);
QFETCH(int, columns);
QFETCH(int, numUpdates);
QFETCH(bool, opaque);
widget.fill(rows, columns);
widget.setOpaqueChildren(opaque);
QBENCHMARK {
for (int i = 0; i < widget.children.size(); ++i) {
QWidget *w = widget.children[i];
const int x = w->width() / 2;
const int y = w->height() / 2;
QRegion r1(0, 0, x, y, QRegion::Ellipse);
QRegion r2(x, y, x, y, QRegion::Ellipse);
for (int j = 0; j < numUpdates; ++j) {
w->update(r1);
w->update(r2);
}
QApplication::processEvents();
}
}
}
QTEST_MAIN(tst_QWidget)
#include "tst_qwidget.moc"
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