forked from qt-creator/qt-creator
QmlProfiler: first commit
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Christiaan Janssen
309
src/plugins/qmlprofiler/tracewindow.cpp
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309
src/plugins/qmlprofiler/tracewindow.cpp
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/**************************************************************************
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**
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** This file is part of Qt Creator
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**
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** Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
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**
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** Commercial Usage
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**
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** Licensees holding valid Qt Commercial licenses may use this file in
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** accordance with the Qt Commercial License Agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and Nokia.
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**
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** GNU Lesser General Public License Usage
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**
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** If you are unsure which license is appropriate for your use, please
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** contact the sales department at http://qt.nokia.com/contact.
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**
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**************************************************************************/
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#include "tracewindow.h"
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#include <QtCore/qdebug.h>
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#include <QtCore/qstringlist.h>
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#include <QtCore/qdatastream.h>
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#include <QtCore/qmargins.h>
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#include <QtGui/qapplication.h>
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#include <QtGui/qpainter.h>
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#include <QtGui/qboxlayout.h>
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#include <QtGui/qevent.h>
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#include <QtCore/qstack.h>
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#include <QtOpenGL/QGLWidget>
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#include <QGraphicsObject>
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#include <QtDeclarative/qdeclarativeview.h>
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#include <QtDeclarative/qdeclarativecontext.h>
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#include <QtDeclarative/qdeclarative.h>
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#include "qmlprofilerplugin.h"
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//#include <jsdebuggeragent.h>
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//#include <qdeclarativeviewobserver.h>
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#define GAP_TIME 150
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struct Location
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{
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Location() : line(-1) {}
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Location(const QString &file, int lineNumber) : fileName(file), line(lineNumber) {}
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QString fileName;
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int line;
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};
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class TracePlugin : public QDeclarativeDebugClient
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{
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Q_OBJECT
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Q_PROPERTY(bool recording READ recording WRITE setRecording NOTIFY recordingChanged)
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public:
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TracePlugin(QDeclarativeDebugConnection *client);
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enum EventType {
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FramePaint,
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Mouse,
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Key,
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MaximumEventType
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};
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enum Message {
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Event,
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RangeStart,
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RangeData,
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RangeLocation,
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RangeEnd,
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Complete,
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MaximumMessage
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};
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enum RangeType {
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Painting,
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Compiling,
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Creating,
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Binding,
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HandlingSignal,
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MaximumRangeType
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};
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bool recording() const
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{
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return m_recording;
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}
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public slots:
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void setRecording(bool);
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signals:
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void complete();
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void gap(qint64);
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void event(int event, qint64 time);
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void range(int type, qint64 startTime, qint64 length, const QStringList &data, const QString &fileName, int line);
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void sample(int, int, int, bool);
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void recordingChanged(bool arg);
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void enabled();
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protected:
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virtual void statusChanged(Status);
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virtual void messageReceived(const QByteArray &);
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private:
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qint64 m_inProgressRanges;
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QStack<qint64> m_rangeStartTimes[MaximumRangeType];
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QStack<QStringList> m_rangeDatas[MaximumRangeType];
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QStack<Location> m_rangeLocations[MaximumRangeType];
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int m_rangeCount[MaximumRangeType];
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qint64 m_maximumTime;
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bool m_recording;
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};
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TracePlugin::TracePlugin(QDeclarativeDebugConnection *client)
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: QDeclarativeDebugClient(QLatin1String("CanvasFrameRate"), client), m_inProgressRanges(0), m_maximumTime(0), m_recording(false)
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{
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::memset(m_rangeCount, 0, MaximumRangeType * sizeof(int));
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}
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void TracePlugin::setRecording(bool v)
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{
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if (v == m_recording)
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return;
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QByteArray ba;
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QDataStream stream(&ba, QIODevice::WriteOnly);
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stream << v;
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sendMessage(ba);
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m_recording = v;
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emit recordingChanged(v);
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}
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void TracePlugin::statusChanged(Status status)
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{
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if (status == Enabled) {
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m_recording = !m_recording;
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setRecording(!m_recording);
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emit enabled();
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}
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}
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void TracePlugin::messageReceived(const QByteArray &data)
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{
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QByteArray rwData = data;
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QDataStream stream(&rwData, QIODevice::ReadOnly);
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qint64 time;
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int messageType;
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stream >> time >> messageType;
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// qDebug() << __FUNCTION__ << messageType;
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if (messageType >= MaximumMessage)
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return;
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if (time > (m_maximumTime + GAP_TIME) && 0 == m_inProgressRanges)
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emit gap(time);
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if (messageType == Event) {
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int event;
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stream >> event;
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if (event < MaximumEventType) {
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emit this->event((EventType)event, time);
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m_maximumTime = qMax(time, m_maximumTime);
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}
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} else if (messageType == Complete) {
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emit complete();
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} else {
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int range;
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stream >> range;
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if (range >= MaximumRangeType)
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return;
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if (messageType == RangeStart) {
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m_rangeStartTimes[range].push(time);
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m_inProgressRanges |= (1 << range);
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++m_rangeCount[range];
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} else if (messageType == RangeData) {
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QString data;
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stream >> data;
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int count = m_rangeCount[range];
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if (count > 0) {
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while (m_rangeDatas[range].count() < count)
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m_rangeDatas[range].push(QStringList());
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m_rangeDatas[range][count-1] << data;
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}
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} else if (messageType == RangeLocation) {
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QString fileName;
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int line;
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stream >> fileName >> line;
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if (m_rangeCount[range] > 0) {
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m_rangeLocations[range].push(Location(fileName, line));
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}
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} else {
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if (m_rangeCount[range] > 0) {
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--m_rangeCount[range];
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if (m_inProgressRanges & (1 << range))
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m_inProgressRanges &= ~(1 << range);
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m_maximumTime = qMax(time, m_maximumTime);
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QStringList data = m_rangeDatas[range].count() ? m_rangeDatas[range].pop() : QStringList();
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Location location = m_rangeLocations[range].count() ? m_rangeLocations[range].pop() : Location();
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qint64 startTime = m_rangeStartTimes[range].pop();
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emit this->range((RangeType)range, startTime, time - startTime, data, location.fileName, location.line);
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if (m_rangeCount[range] == 0) {
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int count = m_rangeDatas[range].count() +
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m_rangeStartTimes[range].count() +
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m_rangeLocations[range].count();
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if (count != 0)
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qWarning() << "incorrectly nested data";
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}
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}
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}
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}
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}
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TraceWindow::TraceWindow(QWidget *parent)
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: QWidget(parent),
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m_plugin(0), m_recordAtStart(false)
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{
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setObjectName(tr("Qml Perfomance Monitor"));
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QVBoxLayout *groupLayout = new QVBoxLayout;
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groupLayout->setContentsMargins(0, 0, 0, 0);
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groupLayout->setSpacing(0);
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m_view = new QDeclarativeView(this);
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if (Analyzer::Internal::QmlProfilerPlugin::debugOutput) {
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//new QmlJSDebugger::JSDebuggerAgent(m_view->engine());
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//new QmlJSDebugger::QDeclarativeViewObserver(m_view, m_view);
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}
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m_view->setViewport(new QGLWidget());
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m_view->setResizeMode(QDeclarativeView::SizeRootObjectToView);
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m_view->setFocus();
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groupLayout->addWidget(m_view);
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setLayout(groupLayout);
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// Maximum height: 5 rows of 50 pixels + scrollbar of 50 pixels
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setMinimumHeight(300);
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setMaximumHeight(300);
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}
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TraceWindow::~TraceWindow()
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{
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delete m_plugin;
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}
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void TraceWindow::reset(QDeclarativeDebugConnection *conn)
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{
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if (m_plugin)
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disconnect(m_plugin,SIGNAL(complete()), this, SIGNAL(viewUpdated()));
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delete m_plugin;
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m_plugin = new TracePlugin(conn);
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connect(m_plugin,SIGNAL(complete()), this, SIGNAL(viewUpdated()));
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if (m_recordAtStart)
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m_plugin->setRecording(true);
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m_view->rootContext()->setContextProperty("connection", m_plugin);
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m_view->setSource(QUrl("qrc:/qml/MainView.qml"));
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connect(m_view->rootObject(), SIGNAL(updateCursorPosition()), this, SLOT(updateCursorPosition()));
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}
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void TraceWindow::updateCursorPosition()
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{
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emit gotoSourceLocation(m_view->rootObject()->property("fileName").toString(),
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m_view->rootObject()->property("lineNumber").toInt());
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}
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void TraceWindow::setRecordAtStart(bool record)
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{
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m_recordAtStart = record;
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}
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void TraceWindow::setRecording(bool recording)
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{
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m_plugin->setRecording(recording);
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}
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#include "tracewindow.moc"
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