licensewizard.cpp Example File

dialogs/licensewizard/licensewizard.cpp
/**************************************************************************** ** ** Copyright (C) 2016 The Qt Company Ltd. ** Contact: https://www.qt.io/licensing/ ** ** This file is part of the examples of the Qt Toolkit. ** ** $QT_BEGIN_LICENSE:BSD$ ** Commercial License Usage ** Licensees holding valid commercial Qt licenses may use this file in ** accordance with the commercial license agreement provided with the ** Software or, alternatively, in accordance with the terms contained in ** a written agreement between you and The Qt Company. For licensing terms ** and conditions see https://www.qt.io/terms-conditions. For further ** information use the contact form at https://www.qt.io/contact-us. ** ** BSD License Usage ** Alternatively, you may use this file under the terms of the BSD license ** as follows: ** ** "Redistribution and use in source and binary forms, with or without ** modification, are permitted provided that the following conditions are ** met: ** * Redistributions of source code must retain the above copyright ** notice, this list of conditions and the following disclaimer. ** * Redistributions in binary form must reproduce the above copyright ** notice, this list of conditions and the following disclaimer in ** the documentation and/or other materials provided with the ** distribution. ** * Neither the name of The Qt Company Ltd nor the names of its ** contributors may be used to endorse or promote products derived ** from this software without specific prior written permission. ** ** ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT ** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR ** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT ** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, ** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT ** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, ** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY ** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT ** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE ** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." ** ** $QT_END_LICENSE$ ** ****************************************************************************/
#include <QtWidgets> #if defined(QT_PRINTSUPPORT_LIB) #include <QtPrintSupport/qtprintsupportglobal.h> #if QT_CONFIG(printdialog) #include <QPrinter> #include <QPrintDialog> #endif #endif #include "licensewizard.h" QString emailRegExp = QStringLiteral(".+@.+"); LicenseWizard::LicenseWizard(QWidget *parent) : QWizard(parent) { setPage(Page_Intro, new IntroPage); setPage(Page_Evaluate, new EvaluatePage); setPage(Page_Register, new RegisterPage); setPage(Page_Details, new DetailsPage); setPage(Page_Conclusion, new ConclusionPage); setStartId(Page_Intro); #ifndef Q_OS_MAC setWizardStyle(ModernStyle); #endif setOption(HaveHelpButton, true); setPixmap(QWizard::LogoPixmap, QPixmap(":/images/logo.png")); connect(this, &QWizard::helpRequested, this, &LicenseWizard::showHelp); setWindowTitle(tr("License Wizard")); } void LicenseWizard::showHelp() { static QString lastHelpMessage; QString message; switch (currentId()) { case Page_Intro: message = tr("The decision you make here will affect which page you " "get to see next."); break; case Page_Evaluate: message = tr("Make sure to provide a valid email address, such as " "toni.buddenbrook@example.de."); break; case Page_Register: message = tr("If you don't provide an upgrade key, you will be " "asked to fill in your details."); break; case Page_Details: message = tr("Make sure to provide a valid email address, such as " "thomas.gradgrind@example.co.uk."); break; case Page_Conclusion: message = tr("You must accept the terms and conditions of the " "license to proceed."); break; default: message = tr("This help is likely not to be of any help."); } if (lastHelpMessage == message) message = tr("Sorry, I already gave what help I could. " "Maybe you should try asking a human?"); QMessageBox::information(this, tr("License Wizard Help"), message); lastHelpMessage = message; } IntroPage::IntroPage(QWidget *parent) : QWizardPage(parent) { setTitle(tr("Introduction")); setPixmap(QWizard::WatermarkPixmap, QPixmap(":/images/watermark.png")); topLabel = new QLabel(tr("This wizard will help you register your copy of " "<i>Super Product One</i>™ or start " "evaluating the product.")); topLabel->setWordWrap(true); registerRadioButton = new QRadioButton(tr("&Register your copy")); evaluateRadioButton = new QRadioButton(tr("&Evaluate the product for 30 " "days")); registerRadioButton->setChecked(true); QVBoxLayout *layout = new QVBoxLayout; layout->addWidget(topLabel); layout->addWidget(registerRadioButton); layout->addWidget(evaluateRadioButton); setLayout(layout); } int IntroPage::nextId() const { if (evaluateRadioButton->isChecked()) { return LicenseWizard::Page_Evaluate; } else { return LicenseWizard::Page_Register; } } EvaluatePage::EvaluatePage(QWidget *parent) : QWizardPage(parent) { setTitle(tr("Evaluate <i>Super Product One</i>™")); setSubTitle(tr("Please fill both fields. Make sure to provide a valid " "email address (e.g., john.smith@example.com).")); nameLabel = new QLabel(tr("N&ame:")); nameLineEdit = new QLineEdit; nameLabel->setBuddy(nameLineEdit); emailLabel = new QLabel(tr("&Email address:")); emailLineEdit = new QLineEdit; emailLineEdit->setValidator(new QRegularExpressionValidator(QRegularExpression(emailRegExp), this)); emailLabel->setBuddy(emailLineEdit); registerField("evaluate.name*", nameLineEdit); registerField("evaluate.email*", emailLineEdit); QGridLayout *layout = new QGridLayout; layout->addWidget(nameLabel, 0, 0); layout->addWidget(nameLineEdit, 0, 1); layout->addWidget(emailLabel, 1, 0); layout->addWidget(emailLineEdit, 1, 1); setLayout(layout); } int EvaluatePage::nextId() const { return LicenseWizard::Page_Conclusion; } RegisterPage::RegisterPage(QWidget *parent) : QWizardPage(parent) { setTitle(tr("Register Your Copy of <i>Super Product One</i>™")); setSubTitle(tr("If you have an upgrade key, please fill in " "the appropriate field.")); nameLabel = new QLabel(tr("N&ame:")); nameLineEdit = new QLineEdit; nameLabel->setBuddy(nameLineEdit); upgradeKeyLabel = new QLabel(tr("&Upgrade key:")); upgradeKeyLineEdit = new QLineEdit; upgradeKeyLabel->setBuddy(upgradeKeyLineEdit); registerField("register.name*", nameLineEdit); registerField("register.upgradeKey", upgradeKeyLineEdit); QGridLayout *layout = new QGridLayout; layout->addWidget(nameLabel, 0, 0); layout->addWidget(nameLineEdit, 0, 1); layout->addWidget(upgradeKeyLabel, 1, 0); layout->addWidget(upgradeKeyLineEdit, 1, 1); setLayout(layout); } int RegisterPage::nextId() const { if (upgradeKeyLineEdit->text().isEmpty()) { return LicenseWizard::Page_Details; } else { return LicenseWizard::Page_Conclusion; } } DetailsPage::DetailsPage(QWidget *parent) : QWizardPage(parent) { setTitle(tr("Fill In Your Details")); setSubTitle(tr("Please fill all three fields. Make sure to provide a valid " "email address (e.g., tanaka.aya@example.co.jp).")); companyLabel = new QLabel(tr("&Company name:")); companyLineEdit = new QLineEdit; companyLabel->setBuddy(companyLineEdit); emailLabel = new QLabel(tr("&Email address:")); emailLineEdit = new QLineEdit; emailLineEdit->setValidator(new QRegularExpressionValidator(QRegularExpression(emailRegExp), this)); emailLabel->setBuddy(emailLineEdit); postalLabel = new QLabel(tr("&Postal address:")); postalLineEdit = new QLineEdit; postalLabel->setBuddy(postalLineEdit); registerField("details.company*", companyLineEdit); registerField("details.email*", emailLineEdit); registerField("details.postal*", postalLineEdit); QGridLayout *layout = new QGridLayout; layout->addWidget(companyLabel, 0, 0); layout->addWidget(companyLineEdit, 0, 1); layout->addWidget(emailLabel, 1, 0); layout->addWidget(emailLineEdit, 1, 1); layout->addWidget(postalLabel, 2, 0); layout->addWidget(postalLineEdit, 2, 1); setLayout(layout); } int DetailsPage::nextId() const { return LicenseWizard::Page_Conclusion; } ConclusionPage::ConclusionPage(QWidget *parent) : QWizardPage(parent) { setTitle(tr("Complete Your Registration")); setPixmap(QWizard::WatermarkPixmap, QPixmap(":/images/watermark.png")); bottomLabel = new QLabel; bottomLabel->setWordWrap(true); agreeCheckBox = new QCheckBox(tr("I agree to the terms of the license")); registerField("conclusion.agree*", agreeCheckBox); QVBoxLayout *layout = new QVBoxLayout; layout->addWidget(bottomLabel); layout->addWidget(agreeCheckBox); setLayout(layout); } int ConclusionPage::nextId() const { return -1; } 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 can use this software subject to the license " "you will receive by email."); } else { licenseText = tr("<u>Upgrade License Agreement:</u> " "This software is licensed under the terms of your " "current license."); } bottomLabel->setText(licenseText); } void ConclusionPage::setVisible(bool visible) { QWizardPage::setVisible(visible); if (visible) { wizard()->setButtonText(QWizard::CustomButton1, tr("&Print")); wizard()->setOption(QWizard::HaveCustomButton1, true); connect(wizard(), &QWizard::customButtonClicked, this, &ConclusionPage::printButtonClicked); } else { wizard()->setOption(QWizard::HaveCustomButton1, false); disconnect(wizard(), &QWizard::customButtonClicked, this, &ConclusionPage::printButtonClicked); } } void ConclusionPage::printButtonClicked() { #if QT_CONFIG(printdialog) QPrinter printer; QPrintDialog dialog(&printer, this); if (dialog.exec()) QMessageBox::warning(this, tr("Print License"), tr("As an environmentally friendly measure, the " "license text will not actually be printed.")); #endif }