// Copyright (C) 2016 The Qt Company Ltd. // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0 // designer #include "qdesigner.h" #include "qdesigner_actions.h" #include "qdesigner_server.h" #include "qdesigner_settings.h" #include "qdesigner_workbench.h" #include "mainwindow.h" #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include QT_BEGIN_NAMESPACE using namespace Qt::StringLiterals; static const char *designerApplicationName = "Designer"; static const char designerDisplayName[] = "Qt Designer"; static const char *designerWarningPrefix = "Designer: "; static QtMessageHandler previousMessageHandler = nullptr; static void designerMessageHandler(QtMsgType type, const QMessageLogContext &context, const QString &msg) { // Only Designer warnings are displayed as box QDesigner *designerApp = qDesigner; if (type != QtWarningMsg || !designerApp || !msg.startsWith(QLatin1String(designerWarningPrefix))) { previousMessageHandler(type, context, msg); return; } designerApp->showErrorMessage(msg); } QDesigner::QDesigner(int &argc, char **argv) : QApplication(argc, argv), m_server(nullptr), m_client(nullptr), m_workbench(0), m_suppressNewFormShow(false) { setOrganizationName(u"QtProject"_s); QGuiApplication::setApplicationDisplayName(QLatin1String(designerDisplayName)); setApplicationName(QLatin1String(designerApplicationName)); QDesignerComponents::initializeResources(); #if !defined(Q_OS_OSX) && !defined(Q_OS_WIN) setWindowIcon(QIcon(u":/qt-project.org/designer/images/designer.png"_s)); #endif } QDesigner::~QDesigner() { delete m_workbench; delete m_server; delete m_client; } void QDesigner::showErrorMessage(const QString &message) { // strip the prefix const QString qMessage = message.right(message.size() - int(qstrlen(designerWarningPrefix))); // If there is no main window yet, just store the message. // The QErrorMessage would otherwise be hidden by the main window. if (m_mainWindow) { showErrorMessageBox(qMessage); } else { const QMessageLogContext emptyContext; previousMessageHandler(QtWarningMsg, emptyContext, message); // just in case we crash m_initializationErrors += qMessage; m_initializationErrors += QLatin1Char('\n'); } } void QDesigner::showErrorMessageBox(const QString &msg) { // Manually suppress consecutive messages. // This happens if for example sth is wrong with custom widget creation. // The same warning will be displayed by Widget box D&D and form Drop // while trying to create instance. if (m_errorMessageDialog && m_lastErrorMessage == msg) return; if (!m_errorMessageDialog) { m_lastErrorMessage.clear(); m_errorMessageDialog = new QErrorMessage(m_mainWindow); const QString title = QCoreApplication::translate("QDesigner", "%1 - warning").arg(QLatin1String(designerApplicationName)); m_errorMessageDialog->setWindowTitle(title); m_errorMessageDialog->setMinimumSize(QSize(600, 250)); } m_errorMessageDialog->showMessage(msg); m_lastErrorMessage = msg; } QDesignerWorkbench *QDesigner::workbench() const { return m_workbench; } QDesignerServer *QDesigner::server() const { return m_server; } static void showHelp(QCommandLineParser &parser, const QString &errorMessage = QString()) { QString text; QTextStream str(&text); str << ""; if (!errorMessage.isEmpty()) str << "

" << errorMessage << "

"; str << "

" << parser.helpText().toHtmlEscaped() << "

"; QMessageBox box(errorMessage.isEmpty() ? QMessageBox::Information : QMessageBox::Warning, QGuiApplication::applicationDisplayName(), text, QMessageBox::Ok); box.setTextInteractionFlags(Qt::TextBrowserInteraction); box.exec(); } struct Options { QStringList files; QString resourceDir{QLibraryInfo::path(QLibraryInfo::TranslationsPath)}; bool server{false}; quint16 clientPort{0}; bool enableInternalDynamicProperties{false}; }; static inline QDesigner::ParseArgumentsResult parseDesignerCommandLineArguments(QCommandLineParser &parser, Options *options, QString *errorMessage) { parser.setApplicationDescription(u"Qt Designer " QT_VERSION_STR "\n\nUI designer for QWidget-based applications."_s); const QCommandLineOption helpOption = parser.addHelpOption(); parser.setSingleDashWordOptionMode(QCommandLineParser::ParseAsLongOptions); const QCommandLineOption serverOption(u"server"_s, u"Server mode"_s); parser.addOption(serverOption); const QCommandLineOption clientOption(u"client"_s, u"Client mode"_s, u"port"_s); parser.addOption(clientOption); const QCommandLineOption resourceDirOption(u"resourcedir"_s, u"Resource directory"_s, u"directory"_s); parser.addOption(resourceDirOption); const QCommandLineOption internalDynamicPropertyOption(u"enableinternaldynamicproperties"_s, u"Enable internal dynamic properties"_s); parser.addOption(internalDynamicPropertyOption); parser.addPositionalArgument(u"files"_s, u"The UI files to open."_s); if (!parser.parse(QCoreApplication::arguments())) { *errorMessage = parser.errorText(); return QDesigner::ParseArgumentsError; } if (parser.isSet(helpOption)) return QDesigner::ParseArgumentsHelpRequested; // There is no way to retrieve the complete help text from QCommandLineParser, // so, call process() to display it. if (parser.isSet(u"help-all"_s)) parser.process(QCoreApplication::arguments()); // exits options->server = parser.isSet(serverOption); if (parser.isSet(clientOption)) { bool ok; options->clientPort = parser.value(clientOption).toUShort(&ok); if (!ok) { *errorMessage = u"Non-numeric argument specified for -client"_s; return QDesigner::ParseArgumentsError; } } if (parser.isSet(resourceDirOption)) options->resourceDir = parser.value(resourceDirOption); options->enableInternalDynamicProperties = parser.isSet(internalDynamicPropertyOption); options->files = parser.positionalArguments(); return QDesigner::ParseArgumentsSuccess; } QDesigner::ParseArgumentsResult QDesigner::parseCommandLineArguments() { QString errorMessage; Options options; QCommandLineParser parser; const ParseArgumentsResult result = parseDesignerCommandLineArguments(parser, &options, &errorMessage); if (result != ParseArgumentsSuccess) { showHelp(parser, errorMessage); return result; } // initialize the sub components if (options.clientPort) m_client = new QDesignerClient(options.clientPort, this); if (options.server) { m_server = new QDesignerServer(); printf("%d\n", m_server->serverPort()); fflush(stdout); } if (options.enableInternalDynamicProperties) QDesignerPropertySheet::setInternalDynamicPropertiesEnabled(true); std::unique_ptr designerTranslator(new QTranslator(this)); if (designerTranslator->load(QLocale(), u"designer"_s, u"_"_s, options.resourceDir)) { installTranslator(designerTranslator.release()); std::unique_ptr qtTranslator(new QTranslator(this)); if (qtTranslator->load(QLocale(), u"qt"_s, u"_"_s, options.resourceDir)) installTranslator(qtTranslator.release()); } m_workbench = new QDesignerWorkbench(); emit initialized(); previousMessageHandler = qInstallMessageHandler(designerMessageHandler); // Warn when loading faulty forms Q_ASSERT(previousMessageHandler); m_suppressNewFormShow = m_workbench->readInBackup(); for (auto fileName : std::as_const(options.files)) { // Ensure absolute paths for recent file list to be unique const QFileInfo fi(fileName); if (fi.exists() && fi.isRelative()) fileName = fi.absoluteFilePath(); m_workbench->readInForm(fileName); } if ( m_workbench->formWindowCount()) m_suppressNewFormShow = true; // Show up error box with parent now if something went wrong if (m_initializationErrors.isEmpty()) { if (!m_suppressNewFormShow && QDesignerSettings(m_workbench->core()).showNewFormOnStartup()) QTimer::singleShot(100, this, &QDesigner::callCreateForm); // won't show anything if suppressed } else { showErrorMessageBox(m_initializationErrors); m_initializationErrors.clear(); } return result; } bool QDesigner::event(QEvent *ev) { bool eaten; switch (ev->type()) { case QEvent::FileOpen: // Set it true first since, if it's a Qt 3 form, the messagebox from convert will fire the timer. m_suppressNewFormShow = true; if (!m_workbench->readInForm(static_cast(ev)->file())) m_suppressNewFormShow = false; eaten = true; break; case QEvent::Close: { QCloseEvent *closeEvent = static_cast(ev); closeEvent->setAccepted(m_workbench->handleClose()); if (closeEvent->isAccepted()) { // We're going down, make sure that we don't get our settings saved twice. if (m_mainWindow) m_mainWindow->setCloseEventPolicy(MainWindowBase::AcceptCloseEvents); eaten = QApplication::event(ev); } eaten = true; break; } default: eaten = QApplication::event(ev); break; } return eaten; } void QDesigner::setMainWindow(MainWindowBase *tw) { m_mainWindow = tw; } MainWindowBase *QDesigner::mainWindow() const { return m_mainWindow; } void QDesigner::callCreateForm() { if (!m_suppressNewFormShow) m_workbench->actionManager()->createForm(); } QT_END_NAMESPACE