Qt.git - Qt s a cross-platform application framework that is used for developing application software that can be run on various software and hardware platforms with little or no change in the underlying codebase, while still being a native application with native capabilities and speed.

diff options

Diffstat (limited to 'doc/src/snippets/declarative/column')

-rw-r--r--

doc/src/snippets/declarative/column/column.qml

-rw-r--r--

doc/src/snippets/declarative/column/vertical-positioner-transition.qml

-rw-r--r--

doc/src/snippets/declarative/column/vertical-positioner.qml

3 files changed, 3 insertions, 3 deletions

/**************************************************************************** ** ** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). ** All rights reserved. ** Contact: Nokia Corporation (qt-info@nokia.com) ** ** This file is part of the QtTest module 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 "QtTest/qbenchmark.h" #include "QtTest/private/qbenchmark_p.h" #include "QtTest/private/qbenchmarkmetric_p.h" #ifdef QT_GUI_LIB #include <QtGui/qapplication.h> #endif #include <QtCore/qprocess.h> #include <QtCore/qdir.h> #include <QtCore/qset.h> #include <QtCore/qdebug.h> QT_BEGIN_NAMESPACE QBenchmarkGlobalData *QBenchmarkGlobalData::current; QBenchmarkGlobalData::QBenchmarkGlobalData() : measurer(0) , walltimeMinimum(-1) , iterationCount(-1) , medianIterationCount(-1) , createChart(false) , verboseOutput(false) , mode_(WallTime) { setMode(mode_); } QBenchmarkGlobalData::~QBenchmarkGlobalData() { delete measurer; QBenchmarkGlobalData::current = 0; } void QBenchmarkGlobalData::setMode(Mode mode) { mode_ = mode; if (measurer) delete measurer; measurer = createMeasurer(); } QBenchmarkMeasurerBase * QBenchmarkGlobalData::createMeasurer() { QBenchmarkMeasurerBase *measurer = 0; if (0) { #ifdef QTESTLIB_USE_VALGRIND } else if (mode_ == CallgrindChildProcess || mode_ == CallgrindParentProcess) { measurer = new QBenchmarkCallgrindMeasurer; #endif #ifdef HAVE_TICK_COUNTER } else if (mode_ == TickCounter) { measurer = new QBenchmarkTickMeasurer; #endif } else if (mode_ == EventCounter) { measurer = new QBenchmarkEvent; } else { measurer = new QBenchmarkTimeMeasurer; } measurer->init(); return measurer; } int QBenchmarkGlobalData::adjustMedianIterationCount() { if (medianIterationCount != -1) { return medianIterationCount; } else { return measurer->adjustMedianCount(1); } } QBenchmarkTestMethodData *QBenchmarkTestMethodData::current; QBenchmarkTestMethodData::QBenchmarkTestMethodData() :resultAccepted(false), runOnce(false), iterationCount(-1) { } QBenchmarkTestMethodData::~QBenchmarkTestMethodData() { QBenchmarkTestMethodData::current = 0; } void QBenchmarkTestMethodData::beginDataRun() { iterationCount = adjustIterationCount(1); } void QBenchmarkTestMethodData::endDataRun() { } int QBenchmarkTestMethodData::adjustIterationCount(int suggestion) { // Let the -iterations option override the measurer. if (QBenchmarkGlobalData::current->iterationCount != -1) { iterationCount = QBenchmarkGlobalData::current->iterationCount; } else { iterationCount = QBenchmarkGlobalData::current->measurer->adjustIterationCount(suggestion); } return iterationCount; } void QBenchmarkTestMethodData::setResult( qreal value, QTest::QBenchmarkMetric metric, bool setByMacro) { bool accepted = false; // Always accept the result if the iteration count has been // specified on the command line with -iterations. if (QBenchmarkGlobalData::current->iterationCount != -1) accepted = true; if (QBenchmarkTestMethodData::current->runOnce || !setByMacro) { iterationCount = 1; accepted = true; } // Test the result directly without calling the measurer if the minimum time // has been specifed on the command line with -minimumvalue. else if (QBenchmarkGlobalData::current->walltimeMinimum != -1) accepted = (value > QBenchmarkGlobalData::current->walltimeMinimum); else accepted = QBenchmarkGlobalData::current->measurer->isMeasurementAccepted(value); // Accept the result or double the number of iterations. if (accepted) resultAccepted = true; else iterationCount *= 2; this->result = QBenchmarkResult( QBenchmarkGlobalData::current->context, value, iterationCount, metric, setByMacro); } /*! \class QTest::QBenchmarkIterationController \internal The QBenchmarkIterationController class is used by the QBENCHMARK macro to drive the benchmarking loop. It is repsonsible for starting and stopping the timing measurements as well as calling the result reporting functions. */ /*! \internal */ QTest::QBenchmarkIterationController::QBenchmarkIterationController(RunMode runMode) { i = 0; if (runMode == RunOnce) QBenchmarkTestMethodData::current->runOnce = true; QTest::beginBenchmarkMeasurement(); } QTest::QBenchmarkIterationController::QBenchmarkIterationController() { i = 0; QTest::beginBenchmarkMeasurement(); } /*! \internal */ QTest::QBenchmarkIterationController::~QBenchmarkIterationController() { const qreal result = QTest::endBenchmarkMeasurement(); QBenchmarkTestMethodData::current->setResult(result, QBenchmarkGlobalData::current->measurer->metricType()); } /*! \internal */ bool QTest::QBenchmarkIterationController::isDone() { if (QBenchmarkTestMethodData::current->runOnce) return i > 0; return i >= QTest::iterationCount(); } /*! \internal */ void QTest::QBenchmarkIterationController::next() { ++i; } /*! \internal */ int QTest::iterationCount() { return QBenchmarkTestMethodData::current->iterationCount; } /*! \internal */ void QTest::setIterationCountHint(int count) { QBenchmarkTestMethodData::current->adjustIterationCount(count); } /*! \internal */ void QTest::setIterationCount(int count) { QBenchmarkTestMethodData::current->iterationCount = count; QBenchmarkTestMethodData::current->resultAccepted = true; } /*! \internal */ void QTest::beginBenchmarkMeasurement() { QBenchmarkGlobalData::current->measurer->start(); // the clock is ticking after the line above, don't add code here. } /*! \internal */ quint64 QTest::endBenchmarkMeasurement() { // the clock is ticking before the line below, don't add code here. return QBenchmarkGlobalData::current->measurer->stop(); } /*! Sets the benchmark result for this test function to \a result. Use this function if you want to report benchmark results without using the QBENCHMARK macro. Use \a metric to specify how QTestLib should interpret the results. The context for the result will be the test function name and any data tag from the _data function. This function can only be called once in each test function, subsequent calls will replace the earlier reported results. Note that the -iterations command line argument has no effect on test functions without the QBENCHMARK macro. \since 4.7 */ void QTest::setBenchmarkResult(qreal result, QTest::QBenchmarkMetric metric) { QBenchmarkTestMethodData::current->setResult(result, metric, false); } template <typename T> Q_TYPENAME T::value_type qAverage(const T &container) { Q_TYPENAME T::const_iterator it = container.constBegin(); Q_TYPENAME T::const_iterator end = container.constEnd(); Q_TYPENAME T::value_type acc = Q_TYPENAME T::value_type(); int count = 0; while (it != end) { acc += *it; ++it; ++count; } return acc / count; } QT_END_NAMESPACE


context:
space:
mode: