--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/tests/benchmarks/qwidget/tst_qwidget.cpp Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,332 @@
+/****************************************************************************
+**
+** 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 test suite 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 <qtest.h>
+#include <QtGui>
+
+class tst_QWidget : public QObject
+{
+ Q_OBJECT
+
+
+private slots:
+ void update_data();
+ void updateOpaque_data();
+ void updateOpaque();
+ void updateTransparent_data();
+ void updateTransparent();
+ void updatePartial_data();
+ void updatePartial();
+ void updateComplex_data();
+ void updateComplex();
+
+ void complexToplevelResize();
+};
+
+class UpdateWidget : public QWidget
+{
+public:
+ UpdateWidget(int rows, int columns) : QWidget(0)
+ {
+ QGridLayout *layout = new QGridLayout;
+ for (int row = 0; row < rows; ++row) {
+ for (int column = 0; column < columns; ++column) {
+ UpdateWidget *widget = new UpdateWidget;
+ widget->setFixedSize(20, 20);
+ layout->addWidget(widget, row, column);
+ children.append(widget);
+ }
+ }
+ setLayout(layout);
+ }
+
+ UpdateWidget(QWidget *parent = 0) : QWidget(parent) {}
+
+ 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;
+};
+
+void tst_QWidget::update_data()
+{
+ QTest::addColumn<int>("rows");
+ QTest::addColumn<int>("columns");
+ QTest::addColumn<int>("numUpdates");
+
+ QTest::newRow("10x10x1") << 10 << 10 << 1;
+ QTest::newRow("10x10x10") << 10 << 10 << 10;
+ QTest::newRow("25x25x1") << 25 << 25 << 1;
+ QTest::newRow("25x25x10") << 25 << 25 << 10;
+ QTest::newRow("25x25x100") << 25 << 25 << 100;
+}
+
+void tst_QWidget::updateOpaque_data()
+{
+ update_data();
+}
+
+void tst_QWidget::updateOpaque()
+{
+ QFETCH(int, rows);
+ QFETCH(int, columns);
+ QFETCH(int, numUpdates);
+
+ UpdateWidget widget(rows, columns);
+ foreach (QWidget *w, widget.children) {
+ w->setAttribute(Qt::WA_OpaquePaintEvent);
+ }
+
+ widget.show();
+ QApplication::processEvents();
+
+ int i = 0;
+ const int n = widget.children.size();
+ QBENCHMARK {
+ for (int j = 0; j < numUpdates; ++j) {
+ widget.children[i]->update();
+ QApplication::processEvents();
+ i = (i + 1) % n;
+ }
+ }
+}
+
+void tst_QWidget::updateTransparent_data()
+{
+ update_data();
+}
+
+void tst_QWidget::updateTransparent()
+{
+ QFETCH(int, rows);
+ QFETCH(int, columns);
+ QFETCH(int, numUpdates);
+
+ UpdateWidget widget(rows, columns);
+ widget.show();
+ QApplication::processEvents();
+
+ int i = 0;
+ const int n = widget.children.size();
+ QBENCHMARK {
+ for (int j = 0; j < numUpdates; ++j) {
+ widget.children[i]->update();
+ QApplication::processEvents();
+ i = (i + 1) % n;
+ }
+ }
+}
+
+void tst_QWidget::updatePartial_data()
+{
+ update_data();
+}
+
+void tst_QWidget::updatePartial()
+{
+ QFETCH(int, rows);
+ QFETCH(int, columns);
+ QFETCH(int, numUpdates);
+
+ UpdateWidget widget(rows, columns);
+ widget.show();
+ QApplication::processEvents();
+
+ int i = 0;
+ const int n = widget.children.size();
+ QBENCHMARK {
+ for (int j = 0; j < numUpdates; ++j) {
+ QWidget *w = widget.children[i];
+ const int x = w->width() / 2;
+ const int y = w->height() / 2;
+ 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();
+ i = (i + 1) % n;
+ }
+ }
+}
+
+void tst_QWidget::updateComplex_data()
+{
+ update_data();
+}
+
+void tst_QWidget::updateComplex()
+{
+ QFETCH(int, rows);
+ QFETCH(int, columns);
+ QFETCH(int, numUpdates);
+
+ UpdateWidget widget(rows, columns);
+ widget.show();
+ QApplication::processEvents();
+
+ int i = 0;
+ const int n = widget.children.size();
+ QBENCHMARK {
+ for (int j = 0; j < numUpdates; ++j) {
+ QWidget *w = widget.children[i];
+ const int x = w->width() / 2;
+ const int y = w->height() / 2;
+ w->update(QRegion(0, 0, x, y, QRegion::Ellipse));
+ w->update(QRegion(x, y, x, y, QRegion::Ellipse));
+ QApplication::processEvents();
+ i = (i + 1) % n;
+ }
+ }
+}
+
+class ResizeWidget : public QWidget
+{
+public:
+ ResizeWidget();
+};
+
+ResizeWidget::ResizeWidget() : QWidget(0)
+{
+ QBoxLayout *topLayout = new QVBoxLayout;
+
+ QMenuBar *menubar = new QMenuBar;
+ QMenu* popup = menubar->addMenu("&File");
+ popup->addAction("&Quit", qApp, SLOT(quit()));
+ topLayout->setMenuBar(menubar);
+
+ QBoxLayout *buttons = new QHBoxLayout;
+ buttons->setMargin(5);
+ buttons->addStretch(10);
+ for (int i = 1; i <= 4; i++ ) {
+ QPushButton* button = new QPushButton;
+ button->setText(QString("Button %1").arg(i));
+ buttons->addWidget(button);
+ }
+ topLayout->addLayout(buttons);
+
+ buttons = new QHBoxLayout;
+ buttons->addStretch(10);
+ for (int i = 11; i <= 16; i++) {
+ QPushButton* button = new QPushButton;
+ button->setText(QString("Button %1").arg(i));
+ buttons->addWidget(button);
+ }
+ topLayout->addLayout(buttons);
+
+ QBoxLayout *buttons2 = new QHBoxLayout;
+ buttons2->addStretch(10);
+ topLayout->addLayout(buttons2);
+
+ QPushButton *button = new QPushButton;
+ button->setText("Button five");
+ buttons2->addWidget(button);
+
+ button = new QPushButton;
+ button->setText("Button 6");
+ buttons2->addWidget(button);
+
+ QTextEdit *bigWidget = new QTextEdit;
+ bigWidget->setText("This widget will get all the remaining space");
+ bigWidget->setFrameStyle(QFrame::Panel | QFrame::Plain);
+ topLayout->addWidget(bigWidget);
+
+ const int numRows = 6;
+ const int labelCol = 0;
+ const int linedCol = 1;
+ const int multiCol = 2;
+
+ QGridLayout *grid = new QGridLayout;
+ for (int row = 0; row < numRows; row++) {
+ QLineEdit *lineEdit = new QLineEdit;
+ grid->addWidget(lineEdit, row, linedCol);
+ QLabel *label = new QLabel(QString("Line &%1").arg(row + 1));
+ grid->addWidget(label, row, labelCol);
+ }
+ topLayout->addLayout(grid);
+
+ QTextEdit *multiLineEdit = new QTextEdit;
+ grid->addWidget(multiLineEdit, 0, labelCol + 1, multiCol, multiCol);
+
+ grid->setColumnStretch(linedCol, 10);
+ grid->setColumnStretch(multiCol, 20);
+
+ QLabel* statusBar = new QLabel;
+ statusBar->setText("Let's pretend this is a status bar");
+ statusBar->setFrameStyle(QFrame::Panel | QFrame::Sunken);
+ statusBar->setFixedHeight(statusBar->sizeHint().height());
+ statusBar->setAlignment(Qt::AlignVCenter | Qt::AlignLeft);
+ topLayout->addWidget(statusBar);
+
+ topLayout->activate();
+ setLayout(topLayout);
+}
+
+void tst_QWidget::complexToplevelResize()
+{
+ ResizeWidget w;
+ w.show();
+
+ QApplication::processEvents();
+
+ const int minSize = 100;
+ const int maxSize = 800;
+ int size = minSize;
+
+ QBENCHMARK {
+ w.resize(size, size);
+ size = qMax(minSize, (size + 10) % maxSize);
+ QApplication::processEvents();
+ QApplication::processEvents();
+ }
+}
+
+QTEST_MAIN(tst_QWidget)
+
+#include "tst_qwidget.moc"