自学教程：C++ wizard函数代码示例

void ConclusionPage::initializePage(){	QString licenseText;		if (wizard()->hasVisitedPage(LicenseWizard::Page_Evaluate))	{		licenseText = tr("<u>Evaluation License Agreement:</u>"						"You can use this software for 30 days and make one backup,"						"but you are not allowed to distribute it.");	}		else if (wizard()->hasVisitedPage(LicenseWizard::Page_Details))	{		licenseText = tr("<u>First-Time License Agreement:</u>"						"You cans use this software subject to the license"						"you will receive by email");	}	else	{		licenseText = tr("<u>Upgrade License License Agreement:</u>"						"The software is licensed under the terms of your current license."						);	}		bottomLabel->setText(licenseText);}

bool LoadTokensPage::validatePage(){    // once the import is finished, we call next(); skip validation    if(wizard()->hasTokensData())        return true;    QUrl url = QUrl::fromUserInput(urlLineEdit->text());    if(!url.isValid())    {        QMessageBox::critical(this, tr("Error"), tr("The provided URL is not valid."));        return false;    }    progressLabel->setText(tr("Downloading (0MB)"));    // show an infinite progressbar    progressBar->setMaximum(0);    progressBar->setMinimum(0);    progressBar->setValue(0);    progressLabel->show();    progressBar->show();    wizard()->disableButtons();    setEnabled(false);    if(!nam)        nam = new QNetworkAccessManager(this);    QNetworkReply *reply = nam->get(QNetworkRequest(url));    connect(reply, SIGNAL(finished()), this, SLOT(actDownloadFinishedTokensFile()));    connect(reply, SIGNAL(downloadProgress(qint64, qint64)), this, SLOT(actDownloadProgressTokensFile(qint64, qint64)));    return false;}

void OwncloudOAuthCredsPage::asyncAuthResult(OAuth::Result r, const QString &user,    const QString &token, const QString &refreshToken){    switch (r) {    case OAuth::NotSupported: {        /* OAuth not supported (can't open browser), fallback to HTTP credentials */        OwncloudWizard *ocWizard = qobject_cast<OwncloudWizard *>(wizard());        ocWizard->back();        ocWizard->setAuthType(DetermineAuthTypeJob::Basic);        break;    }    case OAuth::Error:        /* Error while getting the access token.  (Timeout, or the server did not accept our client credentials */        _ui.errorLabel->show();        wizard()->show();        break;    case OAuth::LoggedIn: {        _token = token;        _user = user;        _refreshToken = refreshToken;        OwncloudWizard *ocWizard = qobject_cast<OwncloudWizard *>(wizard());        Q_ASSERT(ocWizard);        emit connectToOCUrl(ocWizard->account()->url().toString());        break;    }    }}

bool LoadTokensPage::validatePage(){    // once the import is finished, we call next(); skip validation    if(wizard()->hasTokensData())        return true;    QUrl url = QUrl::fromUserInput(urlLineEdit->text());    if(!url.isValid())    {        QMessageBox::critical(this, tr("Error"), tr("The provided URL is not valid."));        return false;    }    progressLabel->setText(tr("Downloading (0MB)"));    // show an infinite progressbar    progressBar->setMaximum(0);    progressBar->setMinimum(0);    progressBar->setValue(0);    progressLabel->show();    progressBar->show();    wizard()->disableButtons();    setEnabled(false);    downloadTokensFile(url);    return false;}

void LoadSetsPage::actDownloadFinishedSetsFile(){    progressLabel->hide();    progressBar->hide();    // check for a reply    QNetworkReply *reply = static_cast<QNetworkReply *>(sender());    QNetworkReply::NetworkError errorCode = reply->error();    if (errorCode != QNetworkReply::NoError) {        QMessageBox::critical(this, tr("Error"), tr("Network error: %1.").arg(reply->errorString()));        wizard()->enableButtons();        setEnabled(true);        reply->deleteLater();        return;    }    // save allsets.json url, but only if the user customized it and download was successfull    if(urlLineEdit->text() != QString(ALLSETS_URL))        wizard()->settings->setValue("allsetsurl", urlLineEdit->text());    else        wizard()->settings->remove("allsetsurl");    readSetsFromByteArray(reply->readAll());    reply->deleteLater();}

void NewWizardPage4::fileAccepted(const QString& s)      {      path = s;      templateFileBrowser->show();      if (wizard()->currentPage() == this)            wizard()->next();      }

void OwncloudAdvancedSetupPage::initializePage(){    WizardCommon::initErrorLabel(_ui.errorLabel);    _checking  = false;    _oldLocalFolder = wizard()->property("oldLocalFolder").toString();    _ui.lSelectiveSyncSizeLabel->setText(QString());    _ui.lSyncEverythingSizeLabel->setText(QString());    // call to init label    updateStatus();    // ensure "next" gets the focus, not obSelectLocalFolder    QTimer::singleShot(0, wizard()->button(QWizard::NextButton), SLOT(setFocus()));    auto acc = static_cast<OwncloudWizard *>(wizard())->account();    auto quotaJob = new PropfindJob(acc, _remoteFolder, this);    quotaJob->setProperties(QList<QByteArray>() << "http://owncloud.org/ns:size");    connect(quotaJob, SIGNAL(result(QVariantMap)), SLOT(slotQuotaRetrieved(QVariantMap)));    quotaJob->start();    if (Theme::instance()->wizardSelectiveSyncDefaultNothing()) {        _selectiveSyncBlacklist = QStringList("/");        QTimer::singleShot(0, this, SLOT(slotSelectiveSyncClicked()));    }}

voidPluginsInstallPage::initializePage(){    setTitle( tr( "Your plugins are now being installed" ) );    wizard()->setCommitPage( true );    QAbstractButton* continueButton = wizard()->setButton( FirstRunWizard::NextButton, tr( "Continue" ) );    if ( wizard()->canGoBack() )        wizard()->setButton( FirstRunWizard::BackButton, tr( "<< Back" ) );#ifdef Q_OS_WIN32    if ( wizard()->pluginList()->installList().count() > 0 )    {        // get the install to happen a bit later so that        // we actually show this page of the wizard        // and the user has time to read what's happening        QTimer::singleShot( 1000, this, SLOT(install()) );        continueButton->setEnabled( false );    }    else    {        continueButton->click();    }#endif}

void LoadSetsPage::readSetsFromByteArray(QByteArray data){    // show an infinite progressbar    progressBar->setMaximum(0);    progressBar->setMinimum(0);    progressBar->setValue(0);    progressLabel->setText(tr("Parsing file"));    progressLabel->show();    progressBar->show();    // unzip the file if needed    if(data.startsWith(ZIP_SIGNATURE))    {#ifdef HAS_ZLIB        // zipped file        QBuffer *inBuffer = new QBuffer(&data);        QBuffer *outBuffer = new QBuffer(this);        QString fileName;        UnZip::ErrorCode ec;        UnZip uz;        ec = uz.openArchive(inBuffer);        if (ec != UnZip::Ok) {            zipDownloadFailed(tr("Failed to open Zip archive: %1.").arg(uz.formatError(ec)));            return;        }        if(uz.fileList().size() != 1)        {            zipDownloadFailed(tr("Zip extraction failed: the Zip archive doesn't contain exactly one file."));            return;                    }        fileName = uz.fileList().at(0);        outBuffer->open(QBuffer::ReadWrite);        ec = uz.extractFile(fileName, outBuffer);        if (ec != UnZip::Ok) {            zipDownloadFailed(tr("Zip extraction failed: %1.").arg(uz.formatError(ec)));            uz.closeArchive();            return;        }        future = QtConcurrent::run(wizard()->importer, &OracleImporter::readSetsFromByteArray, outBuffer->data());        watcher.setFuture(future);        return;#else        zipDownloadFailed(tr("Sorry, this version of Oracle does not support zipped files."));        wizard()->enableButtons();        setEnabled(true);        progressLabel->hide();        progressBar->hide();        return;#endif    }     // Start the computation.    future = QtConcurrent::run(wizard()->importer, &OracleImporter::readSetsFromByteArray, data);    watcher.setFuture(future);}

// -----------------------------------------------------------------------------//// -----------------------------------------------------------------------------void GatherDataPage::showEvent(QShowEvent* event){  wizard()->setWindowTitle("MDCTool - Step " + QString::number(wizard()->currentId() + 1) + " of " + QString::number(wizard()->pageIds().size()));  double value = static_cast<double>(wizard()->currentId()) / static_cast<double>(wizard()->pageIds().size());  int progress = static_cast<int>(value * 100);  progressBar->setValue(progress);}

void PHIWizardInstall::finish( bool err ){    if ( err ) wizard()->button( QWizard::CancelButton )->setEnabled( true );    else {        wizard()->button( QWizard::FinishButton )->setEnabled( true );        _box->setEnabled( true );    }}

void SaveSetsPage::initializePage(){    messageLog->clear();    connect(wizard()->importer, SIGNAL(setIndexChanged(int, int, const QString &)), this, SLOT(updateTotalProgress(int, int, const QString &)));    if (!wizard()->importer->startImport())        QMessageBox::critical(this, tr("Error"), tr("No set has been imported."));}

void QInstallPage::start(){  setSubTitle("Configuring EGSnrc core system");  progressBar->show(); progressBar->reset(); screen->clear();  wizard()->button(QWizard::BackButton)->setEnabled(false);  wizard()->button(QWizard::FinishButton)->setEnabled(false);  installButton->setEnabled(false);  the_time.start();  buildEGSnrc(corespec);}

void QInstallPage::resetPage(){     wizard()->button(QWizard::BackButton)->setEnabled(true);     wizard()->button(QWizard::FinishButton)->setEnabled(true);     //installButton->setText("&Install");     installButton->setEnabled(true);     progressBar->setValue( progressBar->maximum() );     //connect(installButton,SIGNAL(clicked()),this,SLOT(start()));     //qDebug("Total steps = %d",i_config_steps);     timeStamp();}

void OwncloudOAuthCredsPage::initializePage(){    OwncloudWizard *ocWizard = qobject_cast<OwncloudWizard *>(wizard());    Q_ASSERT(ocWizard);    ocWizard->account()->setCredentials(CredentialsFactory::create("http"));    _asyncAuth.reset(new OAuth(ocWizard->account().data(), this));    connect(_asyncAuth.data(), &OAuth::result, this, &OwncloudOAuthCredsPage::asyncAuthResult, Qt::QueuedConnection);    _asyncAuth->start();    wizard()->hide();}

void TourMetadataPage::initializePage(){    setTitle( tr( "Discover more about the artists you love" ) );    wizard()->setButton( FirstRunWizard::NextButton, tr( "Continue" ) );    if ( wizard()->canGoBack() )        wizard()->setButton( FirstRunWizard::BackButton, tr( "<< Back" ) );    wizard()->setButton( FirstRunWizard::SkipButton, tr( "Skip Tour >>" ) );}

void WDWizardPage::showEvent(QShowEvent *event) {    if (wizard()->currentPage() == this) {        setupDialogSize();    }    QAbstractButton *runButton = getRunButton(wizard());    if (NULL != runButton) {        runButton->setVisible(isFinalPage());    }    QWizardPage::showEvent(event);}

/*!    Overrides the QWizardPage::setVisible() function to detect when the page is    entered/left to configure the Next Value button.*/void LabToolCalibrationWizardAnalogOut::setVisible(bool visible){    QWizardPage::setVisible(visible);    if (visible) {        wizard()->setButtonText(QWizard::CustomButton1, tr("Next &Value"));        wizard()->setOption(QWizard::HaveCustomButton1, true);        connect(wizard(), SIGNAL(customButtonClicked(int)),                this, SLOT(nextValueClicked()));    } else {

bool LoadSetsPage::validatePage(){    // once the import is finished, we call next(); skip validation    if (wizard()->importer->getSets().count() > 0)    {        return true;    }    // else, try to import sets    if (urlRadioButton->isChecked())    {        QUrl url = QUrl::fromUserInput(urlLineEdit->text());        if (!url.isValid())        {            QMessageBox::critical(this, tr("Error"), tr("The provided URL is not valid."));            return false;        }        progressLabel->setText(tr("Downloading (0MB)"));        // show an infinite progressbar        progressBar->setMaximum(0);        progressBar->setMinimum(0);        progressBar->setValue(0);        progressLabel->show();        progressBar->show();        wizard()->disableButtons();        setEnabled(false);        downloadSetsFile(url);    }    else if (fileRadioButton->isChecked())    {        QFile setsFile(fileLineEdit->text());        if (!setsFile.exists())        {            QMessageBox::critical(this, tr("Error"), tr("Please choose a file."));            return false;        }        if (!setsFile.open(QIODevice::ReadOnly))        {            QMessageBox::critical(nullptr, tr("Error"), tr("Cannot open file '%1'.").arg(fileLineEdit->text()));            return false;        }        wizard()->disableButtons();        setEnabled(false);        readSetsFromByteArray(setsFile.readAll());    }    return false;}

void DecConclusionPage::initializePage(){    QString source = wizard()->field("source").toString();    sourceLabel_->setText(source);    destinationLabel_->setText(wizard()->field("destination").toString());    QFileInfo file(source);    sizeLabel_->setText(QString().setNum(file.size()));    QWizardPage::initializePage();}

/*!    Overrides the QWizardPage::setVisible() function to detect when the page is    entered/left to configure the ReCalibrate button.*/void LabToolCalibrationWizardAnalogIn::setVisible(bool visible){    QWizardPage::setVisible(visible);    if (visible) {        wizard()->setButtonText(QWizard::CustomButton1, tr("&ReCalibrate"));        wizard()->setOption(QWizard::HaveCustomButton1, true);        connect(wizard(), SIGNAL(customButtonClicked(int)),                this, SLOT(recalibrateClicked()));        wizard()->button(QWizard::CustomButton1)->setEnabled(true);    } else {

//! [28]void ConclusionPage::setVisible(bool visible){    QWizardPage::setVisible(visible);    if (visible) {//! [29]        wizard()->setButtonText(QWizard::CustomButton1, tr("&Print"));        wizard()->setOption(QWizard::HaveCustomButton1, true);        connect(wizard(), SIGNAL(customButtonClicked(int)),                this, SLOT(printButtonClicked()));//! [29]    } else {

voidPluginsInstallPage::install(){#ifdef Q_OS_WIN32    foreach( IPluginInfo* plugin, wizard()->pluginList()->installList() )        plugin->doInstall();#endif    QAbstractButton* continueButton = wizard()->setButton( FirstRunWizard::NextButton, tr( "Continue" ) );    continueButton->setEnabled( true );    QTimer::singleShot( 1000, continueButton, SLOT(click()) );}

voidLoginPage::initializePage(){    setTitle( tr( "Let's get started by connecting your Last.fm account" ) );    wizard()->setButton( FirstRunWizard::NextButton, tr( "Connect Your Account" ) );    QAbstractButton* custom = wizard()->setButton( FirstRunWizard::CustomButton, tr( "Sign up" ) );    QAbstractButton* proxy = wizard()->setButton( FirstRunWizard::BackButton, tr( "Proxy?" ) );    connect( custom, SIGNAL(clicked()), SLOT(onSignUpClicked()));    connect( proxy, SIGNAL(clicked()), SLOT(onProxyClicked()));}

void LoadSetsPage::importFinished(){    wizard()->enableButtons();    setEnabled(true);    progressLabel->hide();    progressBar->hide();    if(watcher.future().result())    {        wizard()->next();    } else {        QMessageBox::critical(this, tr("Error"), tr("The file was retrieved successfully, but it does not contain any sets data."));    }}

void WizardPageMain::updateProjectNameStatus(){	ui->projectNameLineEdit->setPalette( mLocationPaletteOrig );	QFileInfo fi( QDir( ui->locationLineEdit->text() ).absoluteFilePath( ui->projectNameLineEdit->text() ) );	if( fi.exists() ) {		QPalette pal = ui->projectNameLineEdit->palette();		pal.setColor( QPalette::Base, QColor( 0xFF, 0x63, 0x47 ) );		ui->projectNameLineEdit->setPalette( pal );		if( mInitialized )			wizard()->button( QWizard::NextButton )->setEnabled( false );	}	else if( mInitialized )		wizard()->button( QWizard::NextButton )->setEnabled( true );}

void OwncloudWizardResultPage::initializePage(){    /*    const QString localFolder = wizard()->property("localFolder").toString();    QString text;    if( _remoteFolder == QLatin1String("/") || _remoteFolder.isEmpty() ) {        text = tr("Your entire account is synced to the local folder <i>%1</i>")                .arg(QDir::toNativeSeparators(localFolder));    } else {        text = tr("%1 folder <i>%1</i> is synced to local folder <i>%2</i>")                .arg(Theme::instance()->appNameGUI())                .arg(_remoteFolder).arg(QDir::toNativeSeparators(localFolder));    }    _ui.localFolderLabel->setText( text );    */    QStringList folders = wizard()->property("localFolders").value<QStringList>();    foreach (const QString &str, folders) {        qDebug()<<"folder selected : " << str;    }    QListView *list=_ui.listView;    QStringListModel *model = new QStringListModel(this);    model->setStringList(folders);    //list->setViewMode(QListView::IconMode);    list->setModel(model);}

Project* MainWindow::newProject(bool target){	NewProjectWizard wizard(this);	wizard.setTargetPlatformEnabled(target);	if(wizard.exec() == QDialog::Rejected) return 0;	const QString& saveLocation = wizard.saveLocation();		if(QFile::exists(saveLocation)) {		QMessageBox::StandardButton ret = QMessageBox::question(this, tr("Are You Sure?"),			tr("Overwrite ") + saveLocation + "?",			QMessageBox::Yes | QMessageBox::No, QMessageBox::No);					if(ret == QMessageBox::No) return 0;	}		Project* project = Project::create(saveLocation);	if(!project) {		MessageDialog::showError(this, "simple_error", QStringList() <<			tr("Failed to create project.") <<			tr("Attempted save location: ") + saveLocation);		return 0;	}	project->updateSetting(TARGET_KEY, wizard.targetPlatform());	foreach(const QString& setting, wizard.projectType()->defaultSettings()) project->updateSetting(setting, "");	ProjectManager::ref().openProject(project);	return project;}