C++ QScopedPointer类代码示例

/*!
    \reimp
*/
QIODevice *QNetworkDiskCache::data(const QUrl &url)
{
#if defined(QNETWORKDISKCACHE_DEBUG)
    qDebug() << "QNetworkDiskCache::data()" << url;
#endif
    Q_D(QNetworkDiskCache);
    QScopedPointer<QBuffer> buffer;
    if (!url.isValid())
        return 0;
    if (d->lastItem.metaData.url() == url && d->lastItem.data.isOpen()) {
        buffer.reset(new QBuffer);
        buffer->setData(d->lastItem.data.data());
    } else {
        QScopedPointer<QFile> file(new QFile(d->cacheFileName(url)));
        if (!file->open(QFile::ReadOnly | QIODevice::Unbuffered))
            return 0;

        if (!d->lastItem.read(file.data(), true)) {
            file->close();
            remove(url);
            return 0;
        }
        if (d->lastItem.data.isOpen()) {
            // compressed
            buffer.reset(new QBuffer);
            buffer->setData(d->lastItem.data.data());
        } else {
            buffer.reset(new QBuffer);
            // ### verify that QFile uses the fd size and not the file name
            qint64 size = file->size() - file->pos();
            const uchar *p = 0;
#if !defined(Q_OS_WINCE) && !defined(Q_OS_INTEGRITY)
            p = file->map(file->pos(), size);
#endif
            if (p) {
                buffer->setData((const char *)p, size);
                file.take()->setParent(buffer.data());
            } else {
                buffer->setData(file->readAll());
            }
        }
    }
    buffer->open(QBuffer::ReadOnly);
    return buffer.take();
}

//.........这里部分代码省略.........
    }

    if (exeFile.isEmpty() && sisFile.isEmpty() && 
        (downloadLocalFile.isEmpty() || downloadRemoteFile.isEmpty())) {
        printUsage(outstream, args[0]);
        return 1;
    }

    if (serialPortName.isEmpty()) {
        if (loglevel > 0)
            outstream << "Detecting serial ports" << endl;
        foreach (const SerialPortId &id, enumerateSerialPorts(loglevel)) {
            if (loglevel > 0)
                outstream << "Port Name: " << id.portName << ", "
                     << "Friendly Name:" << id.friendlyName << endl;
            if (!id.friendlyName.isEmpty()
                    && serialPortFriendlyName.isEmpty()
                    && (id.friendlyName.contains("symbian", Qt::CaseInsensitive)
                        || id.friendlyName.contains("s60", Qt::CaseInsensitive)
                        || id.friendlyName.contains("nokia", Qt::CaseInsensitive))) {
                serialPortName = id.portName;
                break;
            } else if (!id.friendlyName.isEmpty()
                    && !serialPortFriendlyName.isEmpty()
                    && id.friendlyName.contains(serialPortFriendlyName)) {
                serialPortName = id.portName;
                break;
            }
        }
        if (serialPortName.isEmpty()) {
            errstream << "No phone found, ensure USB cable is connected or specify manually with -p" << endl;
            return 1;
        }
    }

    QScopedPointer<trk::Launcher> launcher;
    launcher.reset(new trk::Launcher(trk::Launcher::ActionPingOnly));
    QFileInfo info(exeFile);
    if (!sisFile.isEmpty()) {
        launcher->addStartupActions(trk::Launcher::ActionCopyInstall);
        launcher->setCopyFileName(sisFile, "c:\\data\\testtemp.sis");
        launcher->setInstallFileName("c:\\data\\testtemp.sis");
    }
    else if (info.exists()) {
        launcher->addStartupActions(trk::Launcher::ActionCopy);
        launcher->setCopyFileName(exeFile, QString("c:\\sys\\bin\\") + info.fileName());
    }
    if (!exeFile.isEmpty()) {
        launcher->addStartupActions(trk::Launcher::ActionRun);
        launcher->setFileName(QString("c:\\sys\\bin\\") + info.fileName());
        launcher->setCommandLineArgs(cmdLine);
    }
    if (!downloadRemoteFile.isEmpty() && !downloadLocalFile.isEmpty()) {
        launcher->addStartupActions(trk::Launcher::ActionDownload);
        launcher->setDownloadFileName(downloadRemoteFile, downloadLocalFile);
    }
    if (loglevel > 0)
        outstream << "Connecting to target via " << serialPortName << endl;
    launcher->setTrkServerName(serialPortName);

    if (loglevel > 1)
        launcher->setVerbose(1);

    TrkSignalHandler handler;
    handler.setLogLevel(loglevel);

    QObject::connect(launcher.data(), SIGNAL(copyingStarted()), &handler, SLOT(copyingStarted()));
    QObject::connect(launcher.data(), SIGNAL(canNotConnect(const QString &)), &handler, SLOT(canNotConnect(const QString &)));
    QObject::connect(launcher.data(), SIGNAL(canNotCreateFile(const QString &, const QString &)), &handler, SLOT(canNotCreateFile(const QString &, const QString &)));
    QObject::connect(launcher.data(), SIGNAL(canNotWriteFile(const QString &, const QString &)), &handler, SLOT(canNotWriteFile(const QString &, const QString &)));
    QObject::connect(launcher.data(), SIGNAL(canNotCloseFile(const QString &, const QString &)), &handler, SLOT(canNotCloseFile(const QString &, const QString &)));
    QObject::connect(launcher.data(), SIGNAL(installingStarted()), &handler, SLOT(installingStarted()));
    QObject::connect(launcher.data(), SIGNAL(canNotInstall(const QString &, const QString &)), &handler, SLOT(canNotInstall(const QString &, const QString &)));
    QObject::connect(launcher.data(), SIGNAL(installingFinished()), &handler, SLOT(installingFinished()));
    QObject::connect(launcher.data(), SIGNAL(startingApplication()), &handler, SLOT(startingApplication()));
    QObject::connect(launcher.data(), SIGNAL(applicationRunning(uint)), &handler, SLOT(applicationRunning(uint)));
    QObject::connect(launcher.data(), SIGNAL(canNotRun(const QString &)), &handler, SLOT(canNotRun(const QString &)));
    QObject::connect(launcher.data(), SIGNAL(applicationOutputReceived(const QString &)), &handler, SLOT(applicationOutputReceived(const QString &)));
    QObject::connect(launcher.data(), SIGNAL(copyProgress(int)), &handler, SLOT(copyProgress(int)));
    QObject::connect(launcher.data(), SIGNAL(stateChanged(int)), &handler, SLOT(stateChanged(int)));
    QObject::connect(launcher.data(), SIGNAL(processStopped(uint,uint,uint,QString)), &handler, SLOT(stopped(uint,uint,uint,QString)));
    QObject::connect(&handler, SIGNAL(resume(uint,uint)), launcher.data(), SLOT(resumeProcess(uint,uint)));
    QObject::connect(&handler, SIGNAL(terminate()), launcher.data(), SLOT(terminate()));
    QObject::connect(launcher.data(), SIGNAL(finished()), &handler, SLOT(finished()));

    QTimer timer;
    timer.setSingleShot(true);
    QObject::connect(&timer, SIGNAL(timeout()), &handler, SLOT(timeout()));
    if (timeout > 0) {
        timer.start(timeout);
    }

    QString errorMessage;
    if (!launcher->startServer(&errorMessage)) {
        errstream << errorMessage << endl;
        return 1;
    }

    return a.exec();
}

void KeePass2Writer::writeDatabase(QIODevice* device, Database* db)
{
    m_error = false;
    m_errorStr.clear();

    QByteArray masterSeed = randomGen()->randomArray(32);
    QByteArray encryptionIV = randomGen()->randomArray(16);
    QByteArray protectedStreamKey = randomGen()->randomArray(32);
    QByteArray startBytes = randomGen()->randomArray(32);
    QByteArray endOfHeader = "\r\n\r\n";

    CryptoHash hash(CryptoHash::Sha256);
    hash.addData(masterSeed);
    Q_ASSERT(!db->transformedMasterKey().isEmpty());
    hash.addData(db->transformedMasterKey());
    QByteArray finalKey = hash.result();

    QBuffer header;
    header.open(QIODevice::WriteOnly);
    m_device = &header;

    CHECK_RETURN(writeData(Endian::int32ToBytes(KeePass2::SIGNATURE_1, KeePass2::BYTEORDER)));
    CHECK_RETURN(writeData(Endian::int32ToBytes(KeePass2::SIGNATURE_2, KeePass2::BYTEORDER)));
    CHECK_RETURN(writeData(Endian::int32ToBytes(KeePass2::FILE_VERSION, KeePass2::BYTEORDER)));

    CHECK_RETURN(writeHeaderField(KeePass2::CipherID, db->cipher().toByteArray()));
    CHECK_RETURN(writeHeaderField(KeePass2::CompressionFlags,
                                  Endian::int32ToBytes(db->compressionAlgo(),
                                                       KeePass2::BYTEORDER)));
    CHECK_RETURN(writeHeaderField(KeePass2::MasterSeed, masterSeed));
    CHECK_RETURN(writeHeaderField(KeePass2::TransformSeed, db->transformSeed()));
    CHECK_RETURN(writeHeaderField(KeePass2::TransformRounds,
                                  Endian::int64ToBytes(db->transformRounds(),
                                                       KeePass2::BYTEORDER)));
    CHECK_RETURN(writeHeaderField(KeePass2::EncryptionIV, encryptionIV));
    CHECK_RETURN(writeHeaderField(KeePass2::ProtectedStreamKey, protectedStreamKey));
    CHECK_RETURN(writeHeaderField(KeePass2::StreamStartBytes, startBytes));
    CHECK_RETURN(writeHeaderField(KeePass2::InnerRandomStreamID,
                                  Endian::int32ToBytes(KeePass2::Salsa20,
                                                       KeePass2::BYTEORDER)));
    CHECK_RETURN(writeHeaderField(KeePass2::EndOfHeader, endOfHeader));

    header.close();
    m_device = device;
    QByteArray headerHash = CryptoHash::hash(header.data(), CryptoHash::Sha256);
    CHECK_RETURN(writeData(header.data()));

    SymmetricCipherStream cipherStream(device, SymmetricCipher::Aes256, SymmetricCipher::Cbc,
                                       SymmetricCipher::Encrypt, finalKey, encryptionIV);
    cipherStream.open(QIODevice::WriteOnly);
    m_device = &cipherStream;
    CHECK_RETURN(writeData(startBytes));

    HashedBlockStream hashedStream(&cipherStream);
    hashedStream.open(QIODevice::WriteOnly);

    QScopedPointer<QtIOCompressor> ioCompressor;

    if (db->compressionAlgo() == Database::CompressionNone) {
        m_device = &hashedStream;
    }
    else {
        ioCompressor.reset(new QtIOCompressor(&hashedStream));
        ioCompressor->setStreamFormat(QtIOCompressor::GzipFormat);
        ioCompressor->open(QIODevice::WriteOnly);
        m_device = ioCompressor.data();
    }

    KeePass2RandomStream randomStream(protectedStreamKey);

    KeePass2XmlWriter xmlWriter;
    xmlWriter.writeDatabase(m_device, db, &randomStream, headerHash);
}

int QgsAtlasComposition::updateFeatures()
{
  //needs to be called when layer, filter, sort changes

  if ( !mCoverageLayer )
  {
    return 0;
  }

  QgsExpressionContext expressionContext = createExpressionContext();

  updateFilenameExpression();

  // select all features with all attributes
  QgsFeatureRequest req;

  QScopedPointer<QgsExpression> filterExpression;
  if ( mFilterFeatures && !mFeatureFilter.isEmpty() )
  {
    filterExpression.reset( new QgsExpression( mFeatureFilter ) );
    if ( filterExpression->hasParserError() )
    {
      mFilterParserError = filterExpression->parserErrorString();
      return 0;
    }

    //filter good to go
    req.setFilterExpression( mFeatureFilter );
  }
  mFilterParserError = QString();

  QgsFeatureIterator fit = mCoverageLayer->getFeatures( req );

  QScopedPointer<QgsExpression> nameExpression;
  if ( !mPageNameExpression.isEmpty() )
  {
    nameExpression.reset( new QgsExpression( mPageNameExpression ) );
    if ( nameExpression->hasParserError() )
    {
      nameExpression.reset( nullptr );
    }
    nameExpression->prepare( &expressionContext );
  }

  // We cannot use nextFeature() directly since the feature pointer is rewinded by the rendering process
  // We thus store the feature ids for future extraction
  QgsFeature feat;
  mFeatureIds.clear();
  mFeatureKeys.clear();
  int sortIdx = mCoverageLayer->fieldNameIndex( mSortKeyAttributeName );

  while ( fit.nextFeature( feat ) )
  {
    expressionContext.setFeature( feat );

    QString pageName;
    if ( !nameExpression.isNull() )
    {
      QVariant result = nameExpression->evaluate( &expressionContext );
      if ( nameExpression->hasEvalError() )
      {
        QgsMessageLog::logMessage( tr( "Atlas name eval error: %1" ).arg( nameExpression->evalErrorString() ), tr( "Composer" ) );
      }
      pageName = result.toString();
    }

    mFeatureIds.push_back( qMakePair( feat.id(), pageName ) );

    if ( mSortFeatures && sortIdx != -1 )
    {
      mFeatureKeys.insert( feat.id(), feat.attributes().at( sortIdx ) );
    }
  }

  // sort features, if asked for
  if ( !mFeatureKeys.isEmpty() )
  {
    FieldSorter sorter( mFeatureKeys, mSortAscending );
    qSort( mFeatureIds.begin(), mFeatureIds.end(), sorter );
  }

  emit numberFeaturesChanged( mFeatureIds.size() );

  //jump to first feature if currently using an atlas preview
  //need to do this in case filtering/layer change has altered matching features
  if ( mComposition->atlasMode() == QgsComposition::PreviewAtlas )
  {
    firstFeature();
  }

  return mFeatureIds.size();
}

GasSelectionModel *GasSelectionModel::instance()
{
	static QScopedPointer<GasSelectionModel> self(new GasSelectionModel());
	return self.data();
}

WSInfoModel *WSInfoModel::instance()
{
	static QScopedPointer<WSInfoModel> self(new WSInfoModel());
	return self.data();
}

void StateListener::slotStateChanged()
{
    // Get the current file. Are we on a temporary submit editor indicated by
    // temporary path prefix or does the file contains a hash, indicating a project
    // folder?
    State state;
    IDocument *currentDocument = EditorManager::currentDocument();
    if (!currentDocument) {
        state.currentFile.clear();
    } else {
        state.currentFile = currentDocument->filePath().toString();
        if (state.currentFile.isEmpty() || currentDocument->isTemporary())
            state.currentFile = VcsBasePlugin::source(currentDocument);
    }
    QScopedPointer<QFileInfo> currentFileInfo; // Instantiate QFileInfo only once if required.
    if (!state.currentFile.isEmpty()) {
        const bool isTempFile = state.currentFile.startsWith(QDir::tempPath());
        // Quick check: Does it look like a patch?
        const bool isPatch = state.currentFile.endsWith(QLatin1String(".patch"))
                             || state.currentFile.endsWith(QLatin1String(".diff"));
        if (isPatch) {
            // Patch: Figure out a name to display. If it is a temp file, it could be
            // Codepaster. Use the display name of the editor.
            state.currentPatchFile = state.currentFile;
            if (isTempFile)
                state.currentPatchFileDisplayName = displayNameOfEditor(state.currentPatchFile);
            if (state.currentPatchFileDisplayName.isEmpty()) {
                currentFileInfo.reset(new QFileInfo(state.currentFile));
                state.currentPatchFileDisplayName = currentFileInfo->fileName();
            }
        }
        // For actual version control operations on it:
        // Do not show temporary files and project folders ('#')
        if (isTempFile || state.currentFile.contains(QLatin1Char('#')))
            state.currentFile.clear();
    }

    // Get the file and its control. Do not use the file unless we find one
    IVersionControl *fileControl = 0;
    if (!state.currentFile.isEmpty()) {
        if (currentFileInfo.isNull())
            currentFileInfo.reset(new QFileInfo(state.currentFile));
        if (currentFileInfo->isDir()) {
            state.currentFile.clear();
            state.currentFileDirectory = currentFileInfo->absoluteFilePath();
        } else {
            state.currentFileDirectory = currentFileInfo->absolutePath();
            state.currentFileName = currentFileInfo->fileName();
        }
        fileControl = VcsManager::findVersionControlForDirectory(
                    state.currentFileDirectory,
                    &state.currentFileTopLevel);
        if (!fileControl)
            state.clearFile();
    }
    // Check for project, find the control
    IVersionControl *projectControl = 0;
    Project *currentProject = ProjectTree::currentProject();
    if (!currentProject)
        currentProject = SessionManager::startupProject();
    if (currentProject) {
        state.currentProjectPath = currentProject->projectDirectory().toString();
        state.currentProjectName = currentProject->displayName();
        projectControl = VcsManager::findVersionControlForDirectory(state.currentProjectPath,
                                                                    &state.currentProjectTopLevel);
        if (projectControl) {
            // If we have both, let the file's one take preference
            if (fileControl && projectControl != fileControl)
                state.clearProject();
        } else {
            state.clearProject(); // No control found
        }
    }
    // Assemble state and emit signal.
    IVersionControl *vc = fileControl;
    if (!vc)
        vc = projectControl;
    if (!vc)
        state.clearPatchFile(); // Need a repository to patch
    if (debug)
        qDebug() << state << (vc ? vc->displayName() : QLatin1String("No version control"));
    EditorManager::updateWindowTitles();
    emit stateChanged(state, vc);
}

QgsLabelFeature* QgsVectorLayerDiagramProvider::registerDiagram( QgsFeature& feat, QgsRenderContext &context, QgsGeometry* obstacleGeometry )
{
  const QgsMapSettings& mapSettings = mEngine->mapSettings();

  QgsDiagramRendererV2* dr = mSettings.renderer;
  if ( dr )
  {
    QList<QgsDiagramSettings> settingList = dr->diagramSettings();
    if ( !settingList.isEmpty() && settingList.at( 0 ).scaleBasedVisibility )
    {
      double minScale = settingList.at( 0 ).minScaleDenominator;
      if ( minScale > 0 && context.rendererScale() < minScale )
      {
        return 0;
      }

      double maxScale = settingList.at( 0 ).maxScaleDenominator;
      if ( maxScale > 0 && context.rendererScale() > maxScale )
      {
        return 0;
      }
    }
  }

  //convert geom to geos
  const QgsGeometry* geom = feat.constGeometry();
  QScopedPointer<QgsGeometry> extentGeom( QgsGeometry::fromRect( mapSettings.visibleExtent() ) );
  if ( !qgsDoubleNear( mapSettings.rotation(), 0.0 ) )
  {
    //PAL features are prerotated, so extent also needs to be unrotated
    extentGeom->rotate( -mapSettings.rotation(), mapSettings.visibleExtent().center() );
  }

  const GEOSGeometry* geos_geom = 0;
  QScopedPointer<QgsGeometry> preparedGeom;
  if ( QgsPalLabeling::geometryRequiresPreparation( geom, context, mSettings.ct, extentGeom.data() ) )
  {
    preparedGeom.reset( QgsPalLabeling::prepareGeometry( geom, context, mSettings.ct, extentGeom.data() ) );
    if ( !preparedGeom.data() )
      return 0;
    geos_geom = preparedGeom.data()->asGeos();
  }
  else
  {
    geos_geom = geom->asGeos();
  }

  if ( geos_geom == 0 )
  {
    return 0; // invalid geometry
  }
  GEOSGeometry* geomCopy = GEOSGeom_clone_r( QgsGeometry::getGEOSHandler(), geos_geom );

  const GEOSGeometry* geosObstacleGeom = 0;
  QScopedPointer<QgsGeometry> scopedObstacleGeom;
  if ( mSettings.obstacle && obstacleGeometry && QgsPalLabeling::geometryRequiresPreparation( obstacleGeometry, context, mSettings.ct, extentGeom.data() ) )
  {
    scopedObstacleGeom.reset( QgsPalLabeling::prepareGeometry( obstacleGeometry, context, mSettings.ct, extentGeom.data() ) );
    geosObstacleGeom = scopedObstacleGeom.data()->asGeos();
  }
  else if ( mSettings.obstacle && obstacleGeometry )
  {
    geosObstacleGeom = obstacleGeometry->asGeos();
  }
  GEOSGeometry* geosObstacleGeomClone = 0;
  if ( geosObstacleGeom )
  {
    geosObstacleGeomClone = GEOSGeom_clone_r( QgsGeometry::getGEOSHandler(), geosObstacleGeom );
  }


  double diagramWidth = 0;
  double diagramHeight = 0;
  if ( dr )
  {
    QSizeF diagSize = dr->sizeMapUnits( feat, context );
    if ( diagSize.isValid() )
    {
      diagramWidth = diagSize.width();
      diagramHeight = diagSize.height();
    }
  }

  //  feature to the layer
  bool alwaysShow = mSettings.showAll;
  int ddColX = mSettings.xPosColumn;
  int ddColY = mSettings.yPosColumn;
  double ddPosX = 0.0;
  double ddPosY = 0.0;
  bool ddPos = ( ddColX >= 0 && ddColY >= 0 );
  if ( ddPos )
  {
    bool posXOk, posYOk;
    ddPosX = feat.attribute( ddColX ).toDouble( &posXOk );
    ddPosY = feat.attribute( ddColY ).toDouble( &posYOk );
    if ( !posXOk || !posYOk )
    {
      ddPos = false;
    }
    else
//.........这里部分代码省略.........

int main(int argc, char *argv[])
{
    /* Workaround Qt platform integration plugin not advertising itself
       as having the following capabilities:
        - QPlatformIntegration::ThreadedOpenGL
        - QPlatformIntegration::BufferQueueingOpenGL
    */
    setenv("QML_FORCE_THREADED_RENDERER", "1", 1);
    setenv("QML_FIXED_ANIMATION_STEP", "1", 1);

    // ignore favorites in unity-scopes-shell plugin
    setenv("UNITY_SCOPES_NO_FAVORITES", "1", 1);

    QGuiApplication::setApplicationName("Unity Scope Tool");
    QGuiApplication *application;
    application = new QGuiApplication(argc, argv);

    QCommandLineParser parser;
    parser.setApplicationDescription("Unity Scope Tool\n\n"
    "This tool allows development and testing of scopes. Running it without\n"
    "any arguments will open a session to all scopes available on the system.\n"
    "Otherwise passing a path to a scope config file will open a session with\n"
    "only that scope (assuming that the binary implementing the scope can be\n"
    "found in the same directory as the config file).");
    QCommandLineOption helpOption = parser.addHelpOption();
    parser.addPositionalArgument("scopes", "Paths to scope config files to spawn, optionally.", "[scopes...]");

    QCommandLineOption includeSystemScopes("include-system-scopes",
        "Initialize the registry with scopes installed on this system");
    QCommandLineOption includeServerScopes("include-server-scopes",
        "Initialize the registry with scopes on the default server");

    parser.addOption(includeServerScopes);
    parser.addOption(includeSystemScopes);

    parser.parse(application->arguments());

    if (parser.isSet(helpOption)) {
        parser.showHelp();
    }

    QStringList extraScopes = parser.positionalArguments();

    QScopedPointer<RegistryTracker> tracker;
    if (!extraScopes.isEmpty()) {
        bool systemScopes = parser.isSet(includeSystemScopes);
        bool serverScopes = parser.isSet(includeServerScopes);
        tracker.reset(new RegistryTracker(extraScopes, systemScopes, serverScopes));
    }

    bindtextdomain("unity8", translationDirectory().toUtf8().data());
    textdomain("unity8");

    QQuickView* view = new QQuickView();
    view->setResizeMode(QQuickView::SizeRootObjectToView);
    view->setTitle(QGuiApplication::applicationName());
    view->engine()->setBaseUrl(QUrl::fromLocalFile(::qmlDirectory()));

    QUrl source(::qmlDirectory() + "/ScopeTool.qml");
    prependImportPaths(view->engine(), ::overrideImportPaths());
    prependImportPaths(view->engine(), ::nonMirImportPaths());
    appendImportPaths(view->engine(), ::fallbackImportPaths());

    view->setSource(source);

    view->show();

    UnixSignalHandler signal_handler([]{
        QGuiApplication::exit(0);
    });
    signal_handler.setupUnixSignalHandlers();

    int result = application->exec();

    delete view;
    delete application;

    return result;
}

DivePlannerPointsModel *DivePlannerPointsModel::instance()
{
	static QScopedPointer<DivePlannerPointsModel> self(new DivePlannerPointsModel());
	return self.data();
}

int main(int argc, char** argv)
{
	QApplication app(argc,argv);

	QStringList args = app.arguments();
	if (args.count() < 2)
	{
		qWarning() << "Usage: qtinspector <pid>|<program> (<args>...)";
		return -1;
	}

	QProcess process;
	int targetPid = args.at(1).toInt();

	// inject the helper library
	QScopedPointer<Injector> injector;
	if (targetPid != 0)
	{
#ifdef Q_OS_UNIX
		injector.reset(new GdbLibraryInjector);
#endif
		if (!injector->inject(targetPid, injectorLibPath(), "qtInspectorInit"))
		{
			return false;
		}
	}
	else
	{
#ifdef Q_OS_UNIX
		injector.reset(new PreloadInjector);
#endif
		QStringList programArgs;
		for (int i=2; i < args.count(); i++)
		{
			programArgs << args.at(i);
		}
		if (!injector->startAndInject(args.at(1),programArgs,injectorLibPath(),"qtInspectorInit",&targetPid))
		{
			return false;
		}
	}

	TargetApplicationProxy proxy;
	if (!proxy.connectToTarget(targetPid))
	{
		qWarning() << "Failed to inject helper library into process <pid>";
	}

	WidgetPicker* picker = new ExternalWidgetPicker(&proxy,0);

	WidgetInspector inspector(&proxy);
	inspector.setWidgetPicker(picker);
	inspector.show();

	int result = app.exec();

	if (process.state() == QProcess::Running && !process.waitForFinished())
	{
		qWarning() << "Failed to wait for process" << process.pid() << "to exit";
	}

	return result;
}

bool QgsComposerAttributeTable::getFeatureAttributes( QList<QgsAttributeMap> &attributeMaps )
{
  if ( !mVectorLayer )
  {
    return false;
  }

  QScopedPointer< QgsExpressionContext > context( createExpressionContext() );
  context->setFields( mVectorLayer->fields() );

  attributeMaps.clear();

  //prepare filter expression
  QScopedPointer<QgsExpression> filterExpression;
  bool activeFilter = false;
  if ( mFilterFeatures && !mFeatureFilter.isEmpty() )
  {
    filterExpression.reset( new QgsExpression( mFeatureFilter ) );
    if ( !filterExpression->hasParserError() )
    {
      activeFilter = true;
    }
  }

  QgsRectangle selectionRect;
  if ( mComposerMap && mShowOnlyVisibleFeatures )
  {
    selectionRect = *mComposerMap->currentMapExtent();
    if ( mVectorLayer && mComposition->mapSettings().hasCrsTransformEnabled() )
    {
      //transform back to layer CRS
      QgsCoordinateTransform coordTransform( mVectorLayer->crs(), mComposition->mapSettings().destinationCrs() );
      try
      {
        selectionRect = coordTransform.transformBoundingBox( selectionRect, QgsCoordinateTransform::ReverseTransform );
      }
      catch ( QgsCsException &cse )
      {
        Q_UNUSED( cse );
        return false;
      }
    }
  }

  QgsFeatureRequest req;
  if ( !selectionRect.isEmpty() )
    req.setFilterRect( selectionRect );

  req.setFlags( mShowOnlyVisibleFeatures ? QgsFeatureRequest::ExactIntersect : QgsFeatureRequest::NoFlags );

  QgsFeature f;
  int counter = 0;
  QgsFeatureIterator fit = mVectorLayer->getFeatures( req );

  while ( fit.nextFeature( f ) && counter < mMaximumNumberOfFeatures )
  {
    context->setFeature( f );
    //check feature against filter
    if ( activeFilter && !filterExpression.isNull() )
    {
      QVariant result = filterExpression->evaluate( context.data() );
      // skip this feature if the filter evaluation is false
      if ( !result.toBool() )
      {
        continue;
      }
    }

    attributeMaps.push_back( QgsAttributeMap() );

    QList<QgsComposerTableColumn*>::const_iterator columnIt = mColumns.constBegin();
    int i = 0;
    for ( ; columnIt != mColumns.constEnd(); ++columnIt )
    {
      int idx = mVectorLayer->fieldNameIndex(( *columnIt )->attribute() );
      if ( idx != -1 )
      {
        attributeMaps.last().insert( i, f.attributes()[idx] );
      }
      else
      {
        // Lets assume it's an expression
        QgsExpression* expression = new QgsExpression(( *columnIt )->attribute() );
        context->lastScope()->setVariable( QString( "_rownum_" ), counter + 1 );
        expression->prepare( context.data() );
        QVariant value = expression->evaluate( context.data() );
        attributeMaps.last().insert( i, value.toString() );
      }

      i++;
    }
    ++counter;
  }

  //sort the list, starting with the last attribute
  QgsComposerAttributeTableCompare c;
  QList< QPair<int, bool> > sortColumns = sortAttributes();
  for ( int i = sortColumns.size() - 1; i >= 0; --i )
  {
    c.setSortColumn( sortColumns.at( i ).first );
//.........这里部分代码省略.........

synthclone::Sample *
SessionSampleData::updateSample(synthclone::Sample &sample, bool forceCopy,
                                QObject *parent)
{
    if (! sampleDirectory) {
        // The session is being unloaded.
        return 0;
    }

    synthclone::SampleInputStream inputStream(sample);

    ChannelConvertAlgorithm channelConvertAlgorithm;
    synthclone::SampleChannelCount inputChannels = inputStream.getChannels();
    if (sampleChannelCount == inputChannels) {
        channelConvertAlgorithm = CHANNELCONVERTALGORITHM_NONE;
    } else if (sampleChannelCount == 1) {
        channelConvertAlgorithm = CHANNELCONVERTALGORITHM_TO_MONO;
    } else if (inputChannels == 1) {
        channelConvertAlgorithm = CHANNELCONVERTALGORITHM_FROM_MONO;
    } else {
        // How does one convert a multi-channel sample to a different channel
        // count that isn't mono?  I'm open to ideas.
        return 0;
    }

    // If the sample rate isn't set, then set it to the sample rate of the new
    // sample.
    synthclone::SampleRate inputSampleRate = inputStream.getSampleRate();
    if (sampleRate == synthclone::SAMPLE_RATE_NOT_SET) {
        setSampleRate(inputSampleRate);
    }

    bool sampleConversionRequired = inputSampleRate != sampleRate;
    QString newPath = createUniqueFile(sampleDirectory);
    if ((channelConvertAlgorithm == CHANNELCONVERTALGORITHM_NONE) &&
            (! sampleConversionRequired) && (! forceCopy)) {
        if (sampleDirectory) {
            if (QFileInfo(sample.getPath()).absolutePath() ==
                    sampleDirectory->absolutePath()) {
                // Nothing needs to be done.
                return &sample;
            }
        }
    }

    // At this point, either some sort of conversion is required, the sample is
    // being moved from outside the sample directory into the sample directory,
    // or a forced copy was requested.

    float *channelBuffer;

    // For some reason, the empty QScopedArrayPointer constructor is not
    // available on the Mac OSX platform.
    QScopedArrayPointer<float> channelBufferPtr(static_cast<float *>(0));

    float *convertBuffer = new float[sampleChannelCount * 512];
    QScopedArrayPointer<float> convertBufferPtr(convertBuffer);
    SampleRateConverter *converter;
    QScopedPointer<SampleRateConverter> converterPtr;
    float *inputBuffer = new float[inputChannels * 512];
    QScopedArrayPointer<float> inputBufferPtr(inputBuffer);
    if (! sampleConversionRequired) {
        channelBuffer = convertBuffer;
        converter = 0;
    } else {
        if (channelConvertAlgorithm != CHANNELCONVERTALGORITHM_NONE) {
            channelBuffer = new float[sampleChannelCount];
            channelBufferPtr.reset(channelBuffer);
        } else {
            channelBuffer = inputBuffer;
        }
        double ratio = static_cast<double>(sampleRate) / inputSampleRate;
        converter = new SampleRateConverter(sampleChannelCount, ratio, this);
        converterPtr.reset(converter);
    }

    // Create the new sample object.
    synthclone::Sample *outputSample = new synthclone::Sample(newPath, parent);
    QScopedPointer<synthclone::Sample> outputSamplePtr(outputSample);
    synthclone::SampleOutputStream
    outputStream(*outputSample, sampleRate, sampleChannelCount);

    // Convert.
    synthclone::SampleFrameCount framesRead;
    long outputFramesUsed;
    do {

        // Get data from input stream.
        framesRead = inputStream.read(inputBuffer, 512);

        // Channel conversion.
        switch (channelConvertAlgorithm) {
        case CHANNELCONVERTALGORITHM_TO_MONO:
            for (int i = 0; i < framesRead; i++) {
                float n = 0.0;
                for (int j = 0; j < inputChannels; j++) {
                    n += inputBuffer[(i * inputChannels) + j];
                }
                channelBuffer[i] = n / inputChannels;
            }
//.........这里部分代码省略.........

void SshKeyExchange::sendNewKeysPacket(const SshIncomingPacket &dhReply,
    const QByteArray &clientId)
{
    const SshKeyExchangeReply &reply
        = dhReply.extractKeyExchangeReply(m_serverHostKeyAlgo);
    if (reply.f <= 0 || reply.f >= m_dhKey->group_p()) {
        throw SSH_SERVER_EXCEPTION(SSH_DISCONNECT_KEY_EXCHANGE_FAILED,
            "Server sent invalid f.");
    }

    QByteArray concatenatedData = AbstractSshPacket::encodeString(clientId);
    concatenatedData += AbstractSshPacket::encodeString(m_serverId);
    concatenatedData += AbstractSshPacket::encodeString(m_clientKexInitPayload);
    concatenatedData += AbstractSshPacket::encodeString(m_serverKexInitPayload);
    concatenatedData += reply.k_s;
    concatenatedData += AbstractSshPacket::encodeMpInt(m_dhKey->get_y());
    concatenatedData += AbstractSshPacket::encodeMpInt(reply.f);
    const BigInt k = power_mod(reply.f, m_dhKey->get_x(), m_dhKey->get_domain().get_p());
    m_k = AbstractSshPacket::encodeMpInt(k);
    concatenatedData += m_k;

    m_hash.reset(get_hash(botanSha1Name()));
    const SecureVector<byte> &hashResult
        = m_hash->process(convertByteArray(concatenatedData),
                        concatenatedData.size());
    m_h = convertByteArray(hashResult);

#ifdef CREATOR_SSH_DEBUG
    printData("Client Id", AbstractSshPacket::encodeString(clientId));
    printData("Server Id", AbstractSshPacket::encodeString(m_serverId));
    printData("Client Payload", AbstractSshPacket::encodeString(m_clientKexInitPayload));
    printData("Server payload", AbstractSshPacket::encodeString(m_serverKexInitPayload));
    printData("K_S", reply.k_s);
    printData("y", AbstractSshPacket::encodeMpInt(m_dhKey->get_y()));
    printData("f", AbstractSshPacket::encodeMpInt(reply.f));
    printData("K", m_k);
    printData("Concatenated data", concatenatedData);
    printData("H", m_h);
#endif // CREATOR_SSH_DEBUG

    QScopedPointer<Public_Key> sigKey;
    QScopedPointer<PK_Verifier> verifier;
    if (m_serverHostKeyAlgo == SshCapabilities::PubKeyDss) {
        const DL_Group group(reply.parameters.at(0), reply.parameters.at(1),
            reply.parameters.at(2));
        DSA_PublicKey * const dsaKey
            = new DSA_PublicKey(group, reply.parameters.at(3));
        sigKey.reset(dsaKey);
        verifier.reset(new PK_Verifier(*dsaKey, botanEmsaAlgoName(SshCapabilities::PubKeyDss)));
    } else if (m_serverHostKeyAlgo == SshCapabilities::PubKeyRsa) {
        RSA_PublicKey * const rsaKey
            = new RSA_PublicKey(reply.parameters.at(1), reply.parameters.at(0));
        sigKey.reset(rsaKey);
        verifier.reset(new PK_Verifier(*rsaKey, botanEmsaAlgoName(SshCapabilities::PubKeyRsa)));
    } else {
        Q_ASSERT(!"Impossible: Neither DSS nor RSA!");
    }
    const byte * const botanH = convertByteArray(m_h);
    const Botan::byte * const botanSig
        = convertByteArray(reply.signatureBlob);
    if (!verifier->verify_message(botanH, m_h.size(), botanSig,
        reply.signatureBlob.size())) {
        throw SSH_SERVER_EXCEPTION(SSH_DISCONNECT_KEY_EXCHANGE_FAILED,
            "Invalid signature in SSH_MSG_KEXDH_REPLY packet.");
    }

    m_sendFacility.sendNewKeysPacket();
}

// The address returned here will only be valid until next time this function is called.
// The program is return bound.
QOpenGLEngineShaderProg *QOpenGLEngineSharedShaders::findProgramInCache(const QOpenGLEngineShaderProg &prog)
{
    for (int i = 0; i < cachedPrograms.size(); ++i) {
        QOpenGLEngineShaderProg *cachedProg = cachedPrograms[i];
        if (*cachedProg == prog) {
            // Move the program to the top of the list as a poor-man's cache algo
            cachedPrograms.move(i, 0);
            cachedProg->program->bind();
            return cachedProg;
        }
    }

    QScopedPointer<QOpenGLEngineShaderProg> newProg;

    do {
        QByteArray fragSource;
        // Insert the custom stage before the srcPixel shader to work around an ATI driver bug
        // where you cannot forward declare a function that takes a sampler as argument.
        if (prog.srcPixelFragShader == CustomImageSrcFragmentShader)
            fragSource.append(prog.customStageSource);
        fragSource.append(qShaderSnippets[prog.mainFragShader]);
        fragSource.append(qShaderSnippets[prog.srcPixelFragShader]);
        if (prog.compositionFragShader)
            fragSource.append(qShaderSnippets[prog.compositionFragShader]);
        if (prog.maskFragShader)
            fragSource.append(qShaderSnippets[prog.maskFragShader]);

        QByteArray vertexSource;
        vertexSource.append(qShaderSnippets[prog.mainVertexShader]);
        vertexSource.append(qShaderSnippets[prog.positionVertexShader]);

        QScopedPointer<QOpenGLShaderProgram> shaderProgram(new QOpenGLShaderProgram);

        CachedShader shaderCache(fragSource, vertexSource);
        bool inCache = shaderCache.load(shaderProgram.data(), QOpenGLContext::currentContext());

        if (!inCache) {

            QScopedPointer<QOpenGLShader> fragShader(new QOpenGLShader(QOpenGLShader::Fragment));
            QByteArray description;
#if defined(QT_DEBUG)
            // Name the shader for easier debugging
            description.append("Fragment shader: main=");
            description.append(snippetNameStr(prog.mainFragShader));
            description.append(", srcPixel=");
            description.append(snippetNameStr(prog.srcPixelFragShader));
            if (prog.compositionFragShader) {
                description.append(", composition=");
                description.append(snippetNameStr(prog.compositionFragShader));
            }
            if (prog.maskFragShader) {
                description.append(", mask=");
                description.append(snippetNameStr(prog.maskFragShader));
            }
            fragShader->setObjectName(QString::fromLatin1(description));
#endif
            if (!fragShader->compileSourceCode(fragSource)) {
                qWarning() << "Warning:" << description << "failed to compile!";
                break;
            }

            QScopedPointer<QOpenGLShader> vertexShader(new QOpenGLShader(QOpenGLShader::Vertex));
#if defined(QT_DEBUG)
            // Name the shader for easier debugging
            description.clear();
            description.append("Vertex shader: main=");
            description.append(snippetNameStr(prog.mainVertexShader));
            description.append(", position=");
            description.append(snippetNameStr(prog.positionVertexShader));
            vertexShader->setObjectName(QString::fromLatin1(description));
#endif
            if (!vertexShader->compileSourceCode(vertexSource)) {
                qWarning() << "Warning:" << description << "failed to compile!";
                break;
            }

            shaders.append(vertexShader.data());
            shaders.append(fragShader.data());
            shaderProgram->addShader(vertexShader.take());
            shaderProgram->addShader(fragShader.take());

            // We have to bind the vertex attribute names before the program is linked:
            shaderProgram->bindAttributeLocation("vertexCoordsArray", QT_VERTEX_COORDS_ATTR);
            if (prog.useTextureCoords)
                shaderProgram->bindAttributeLocation("textureCoordArray", QT_TEXTURE_COORDS_ATTR);
            if (prog.useOpacityAttribute)
                shaderProgram->bindAttributeLocation("opacityArray", QT_OPACITY_ATTR);
            if (prog.usePmvMatrixAttribute) {
                shaderProgram->bindAttributeLocation("pmvMatrix1", QT_PMV_MATRIX_1_ATTR);
                shaderProgram->bindAttributeLocation("pmvMatrix2", QT_PMV_MATRIX_2_ATTR);
                shaderProgram->bindAttributeLocation("pmvMatrix3", QT_PMV_MATRIX_3_ATTR);
            }
        }

        newProg.reset(new QOpenGLEngineShaderProg(prog));
        newProg->program = shaderProgram.take();

        newProg->program->link();
//.........这里部分代码省略.........