From 4bfcb2febe076a0fa65f03d0826ce46157de5876 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Jan-Arve=20S=C3=A6ther?= Date: Fri, 1 Apr 2011 14:50:18 +0200 Subject: Benchmark for layout hierarchies (cherry picked from commit cb503a3f4901c0b017374f099b0de8c0c4c50648) --- tests/benchmarks/gui/graphicsview/graphicsview.pro | 1 + .../qgraphicslayout/qgraphicslayout.pro | 6 + .../qgraphicslayout/tst_qgraphicslayout.cpp | 153 +++++++++++++++++++++ 3 files changed, 160 insertions(+) create mode 100644 tests/benchmarks/gui/graphicsview/qgraphicslayout/qgraphicslayout.pro create mode 100644 tests/benchmarks/gui/graphicsview/qgraphicslayout/tst_qgraphicslayout.cpp (limited to 'tests/benchmarks') diff --git a/tests/benchmarks/gui/graphicsview/graphicsview.pro b/tests/benchmarks/gui/graphicsview/graphicsview.pro index e4fed197e9..1509466728 100644 --- a/tests/benchmarks/gui/graphicsview/graphicsview.pro +++ b/tests/benchmarks/gui/graphicsview/graphicsview.pro @@ -3,6 +3,7 @@ SUBDIRS = \ functional \ qgraphicsanchorlayout \ qgraphicsitem \ + qgraphicslayout \ qgraphicsscene \ qgraphicsview \ qgraphicswidget diff --git a/tests/benchmarks/gui/graphicsview/qgraphicslayout/qgraphicslayout.pro b/tests/benchmarks/gui/graphicsview/qgraphicslayout/qgraphicslayout.pro new file mode 100644 index 0000000000..19e2979d98 --- /dev/null +++ b/tests/benchmarks/gui/graphicsview/qgraphicslayout/qgraphicslayout.pro @@ -0,0 +1,6 @@ +load(qttest_p4) +TEMPLATE = app +TARGET = tst_bench_qgraphicslayout + +SOURCES += tst_qgraphicslayout.cpp + diff --git a/tests/benchmarks/gui/graphicsview/qgraphicslayout/tst_qgraphicslayout.cpp b/tests/benchmarks/gui/graphicsview/qgraphicslayout/tst_qgraphicslayout.cpp new file mode 100644 index 0000000000..4bdcfb3ecf --- /dev/null +++ b/tests/benchmarks/gui/graphicsview/qgraphicslayout/tst_qgraphicslayout.cpp @@ -0,0 +1,153 @@ +/**************************************************************************** +** +** Copyright (C) 2011 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 +#include +#include +#include +#include + +class tst_QGraphicsLayout : public QObject +{ + Q_OBJECT +public: + tst_QGraphicsLayout() {} + ~tst_QGraphicsLayout() {} + +private slots: + void invalidate(); +}; + + +class RectWidget : public QGraphicsWidget +{ +public: + RectWidget(QGraphicsItem *parent = 0, Qt::WindowFlags wFlags = 0) : QGraphicsWidget(parent, wFlags), setGeometryCalls(0) {} + + void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget) + { + Q_UNUSED(option); + Q_UNUSED(widget); + painter->drawRoundRect(rect()); + painter->drawLine(rect().topLeft(), rect().bottomRight()); + painter->drawLine(rect().bottomLeft(), rect().topRight()); + } + + void setGeometry(const QRectF &rect) + { + //qDebug() << "setGeometry():" << this->data(0).toString(); + setGeometryCalls->insert(this, rect); + QGraphicsWidget::setGeometry(rect); + } + + void callUpdateGeometry() { + QGraphicsWidget::updateGeometry(); + } + + QMap *setGeometryCalls; +}; + +/** + * Test to see how much time is needed to resize all widgets in a + * layout-widget-layout-widget-.... hierarchy from the point where a + * leaf widget changes its size hint. (updateGeometry() is called). + * + * If you run the test for 4.7 you'll get some really high numbers, but + * that's because they also include painting (and possible processing of + * some other events). + */ +void tst_QGraphicsLayout::invalidate() +{ + QGraphicsLayout::setInstantInvalidatePropagation(true); + QGraphicsScene scene; + QGraphicsView *view = new QGraphicsView(&scene); + QMap setGeometryCalls; + + RectWidget *window = new RectWidget(0, Qt::Window); + window->setGeometryCalls = &setGeometryCalls; + window->setData(0, QString(QChar('a'))); + + scene.addItem(window); + RectWidget *leaf = 0; + const int depth = 100; + RectWidget *parent = window; + for (int i = 1; i < depth; ++i) { + QGraphicsLinearLayout *l = new QGraphicsLinearLayout(parent); + l->setContentsMargins(0,0,0,0); + RectWidget *child = new RectWidget; + child->setData(0, QString(QChar('a' + i))); + child->setGeometryCalls = &setGeometryCalls; + l->addItem(child); + parent = child; + } + leaf = parent; + leaf->setMinimumSize(QSizeF(1,1)); + + view->show(); + + QTest::qWaitForWindowShown(view); + + // ...then measure... + + int pass = 1; + + // should be as small as possible, to reduce overhead of painting + QSizeF size(1, 1); + setGeometryCalls.clear(); + QBENCHMARK { + leaf->setMinimumSize(size); + leaf->setMaximumSize(size); + while (setGeometryCalls.count() < depth) { + QApplication::sendPostedEvents(); + } + // force a resize on each widget, this will ensure + // that each iteration will resize all 50 widgets + int w = int(size.width()); + w^=2; + size.setWidth(w); + } + delete view; + QGraphicsLayout::setInstantInvalidatePropagation(false); +} + +QTEST_MAIN(tst_QGraphicsLayout) + +#include "tst_qgraphicslayout.moc" -- cgit v1.2.3