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Diffstat (limited to 'src/tools/uic/cpp/cppwritedeclaration.cpp')
-rw-r--r-- | src/tools/uic/cpp/cppwritedeclaration.cpp | 279 |
1 files changed, 279 insertions, 0 deletions
diff --git a/src/tools/uic/cpp/cppwritedeclaration.cpp b/src/tools/uic/cpp/cppwritedeclaration.cpp new file mode 100644 index 0000000..a3d3fa3 --- /dev/null +++ b/src/tools/uic/cpp/cppwritedeclaration.cpp @@ -0,0 +1,279 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Contact: Qt Software Information (qt-info@nokia.com) +** +** This file is part of the tools applications of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** No Commercial Usage +** This file contains pre-release code and may not be distributed. +** You may use this file in accordance with the terms and conditions +** contained in the either Technology Preview License Agreement or the +** Beta Release License Agreement. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 2.1 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 2.1 requirements +** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Nokia gives you certain +** additional rights. These rights are described in the Nokia Qt LGPL +** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this +** package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 3.0 as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU General Public License version 3.0 requirements will be +** met: http://www.gnu.org/copyleft/gpl.html. +** +** If you are unsure which license is appropriate for your use, please +** contact the sales department at qt-sales@nokia.com. +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "cppwritedeclaration.h" +#include "cppwriteicondeclaration.h" +#include "cppwriteinitialization.h" +#include "cppwriteiconinitialization.h" +#include "cppextractimages.h" +#include "driver.h" +#include "ui4.h" +#include "uic.h" +#include "databaseinfo.h" +#include "customwidgetsinfo.h" + +#include <QtCore/QTextStream> +#include <QtCore/QDebug> + +QT_BEGIN_NAMESPACE + +namespace { + void openNameSpaces(const QStringList &namespaceList, QTextStream &output) { + if (namespaceList.empty()) + return; + const QStringList::const_iterator cend = namespaceList.constEnd(); + for (QStringList::const_iterator it = namespaceList.constBegin(); it != cend; ++it) { + if (!it->isEmpty()) { + output << "namespace " << *it << " {\n"; + } + } + } + + void closeNameSpaces(const QStringList &namespaceList, QTextStream &output) { + if (namespaceList.empty()) + return; + + QListIterator<QString> it(namespaceList); + it.toBack(); + while (it.hasPrevious()) { + const QString ns = it.previous(); + if (!ns.isEmpty()) { + output << "} // namespace " << ns << "\n"; + } + } + } + + void writeScriptContextClass(const QString &indent, QTextStream &str) { + str << indent << "class ScriptContext\n" + << indent << "{\n" + << indent << "public:\n" + << indent << " void run(const QString &script, QWidget *widget, const QWidgetList &childWidgets)\n" + << indent << " {\n" + << indent << " QScriptValue widgetObject = scriptEngine.newQObject(widget);\n" + << indent << " QScriptValue childWidgetArray = scriptEngine.newArray (childWidgets.size());\n" + << indent << " for (int i = 0; i < childWidgets.size(); i++)\n" + << indent << " childWidgetArray.setProperty(i, scriptEngine.newQObject(childWidgets[i]));\n" + << indent << " QScriptContext *ctx = scriptEngine.pushContext();\n" + << indent << " ctx ->activationObject().setProperty(QLatin1String(\"widget\"), widgetObject);\n" + << indent << " ctx ->activationObject().setProperty(QLatin1String(\"childWidgets\"), childWidgetArray);\n\n" + << indent << " scriptEngine.evaluate(script);\n" + << indent << " if (scriptEngine.hasUncaughtException ()) {\n" + << indent << " qWarning() << \"An exception occurred at line \" << scriptEngine.uncaughtExceptionLineNumber()\n" + << indent << " << \" of the script for \" << widget->objectName() << \": \" << engineError() << '\\n'\n" + << indent << " << script;\n" + << indent << " }\n\n" + << indent << " scriptEngine.popContext();\n" + << indent << " }\n\n" + << indent << "private:\n" + << indent << " QString engineError()\n" + << indent << " {\n" + << indent << " QScriptValue error = scriptEngine.evaluate(\"Error\");\n" + << indent << " return error.toString();\n" + << indent << " }\n\n" + << indent << " QScriptEngine scriptEngine;\n" + << indent << "};\n\n"; + } +} + +namespace CPP { + +WriteDeclaration::WriteDeclaration(Uic *uic, bool activateScripts) : + m_uic(uic), + m_driver(uic->driver()), + m_output(uic->output()), + m_option(uic->option()), + m_activateScripts(activateScripts) +{ +} + +void WriteDeclaration::acceptUI(DomUI *node) +{ + QString qualifiedClassName = node->elementClass() + m_option.postfix; + QString className = qualifiedClassName; + + QString varName = m_driver->findOrInsertWidget(node->elementWidget()); + QString widgetClassName = node->elementWidget()->attributeClass(); + + QString exportMacro = node->elementExportMacro(); + if (!exportMacro.isEmpty()) + exportMacro.append(QLatin1Char(' ')); + + QStringList namespaceList = qualifiedClassName.split(QLatin1String("::")); + if (namespaceList.count()) { + className = namespaceList.last(); + namespaceList.removeLast(); + } + + // This is a bit of the hack but covers the cases Qt in/without namespaces + // and User defined classes in/without namespaces. The "strange" case + // is a User using Qt-in-namespace having his own classes not in a namespace. + // In this case the generated Ui helper classes will also end up in + // the Qt namespace (which is harmless, but not "pretty") + const bool needsMacro = namespaceList.count() == 0 + || namespaceList[0] == QLatin1String("qdesigner_internal"); + + if (needsMacro) + m_output << "QT_BEGIN_NAMESPACE\n\n"; + + openNameSpaces(namespaceList, m_output); + + if (namespaceList.count()) + m_output << "\n"; + + m_output << "class " << exportMacro << m_option.prefix << className << "\n" + << "{\n" + << "public:\n"; + + const QStringList connections = m_uic->databaseInfo()->connections(); + for (int i=0; i<connections.size(); ++i) { + const QString connection = connections.at(i); + + if (connection == QLatin1String("(default)")) + continue; + + m_output << m_option.indent << "QSqlDatabase " << connection << "Connection;\n"; + } + + TreeWalker::acceptWidget(node->elementWidget()); + if (const DomButtonGroups *domButtonGroups = node->elementButtonGroups()) + acceptButtonGroups(domButtonGroups); + + m_output << "\n"; + + WriteInitialization(m_uic, m_activateScripts).acceptUI(node); + + if (node->elementImages()) { + if (m_option.extractImages) { + ExtractImages(m_uic->option()).acceptUI(node); + } else { + m_output << "\n" + << "protected:\n" + << m_option.indent << "enum IconID\n" + << m_option.indent << "{\n"; + WriteIconDeclaration(m_uic).acceptUI(node); + + m_output << m_option.indent << m_option.indent << "unknown_ID\n" + << m_option.indent << "};\n"; + + WriteIconInitialization(m_uic).acceptUI(node); + } + } + + if (m_activateScripts) { + m_output << "\nprivate:\n\n"; + writeScriptContextClass(m_option.indent, m_output); + } + + m_output << "};\n\n"; + + closeNameSpaces(namespaceList, m_output); + + if (namespaceList.count()) + m_output << "\n"; + + if (m_option.generateNamespace && !m_option.prefix.isEmpty()) { + namespaceList.append(QLatin1String("Ui")); + + openNameSpaces(namespaceList, m_output); + + m_output << m_option.indent << "class " << exportMacro << className << ": public " << m_option.prefix << className << " {};\n"; + + closeNameSpaces(namespaceList, m_output); + + if (namespaceList.count()) + m_output << "\n"; + } + + if (needsMacro) + m_output << "QT_END_NAMESPACE\n\n"; +} + +void WriteDeclaration::acceptWidget(DomWidget *node) +{ + QString className = QLatin1String("QWidget"); + if (node->hasAttributeClass()) + className = node->attributeClass(); + + m_output << m_option.indent << m_uic->customWidgetsInfo()->realClassName(className) << " *" << m_driver->findOrInsertWidget(node) << ";\n"; + + TreeWalker::acceptWidget(node); +} + +void WriteDeclaration::acceptSpacer(DomSpacer *node) +{ + m_output << m_option.indent << "QSpacerItem *" << m_driver->findOrInsertSpacer(node) << ";\n"; + TreeWalker::acceptSpacer(node); +} + +void WriteDeclaration::acceptLayout(DomLayout *node) +{ + QString className = QLatin1String("QLayout"); + if (node->hasAttributeClass()) + className = node->attributeClass(); + + m_output << m_option.indent << className << " *" << m_driver->findOrInsertLayout(node) << ";\n"; + + TreeWalker::acceptLayout(node); +} + +void WriteDeclaration::acceptActionGroup(DomActionGroup *node) +{ + m_output << m_option.indent << "QActionGroup *" << m_driver->findOrInsertActionGroup(node) << ";\n"; + + TreeWalker::acceptActionGroup(node); +} + +void WriteDeclaration::acceptAction(DomAction *node) +{ + m_output << m_option.indent << "QAction *" << m_driver->findOrInsertAction(node) << ";\n"; + + TreeWalker::acceptAction(node); +} + +void WriteDeclaration::acceptButtonGroup(const DomButtonGroup *buttonGroup) +{ + m_output << m_option.indent << "QButtonGroup *" << m_driver->findOrInsertButtonGroup(buttonGroup) << ";\n"; + TreeWalker::acceptButtonGroup(buttonGroup); +} + +} // namespace CPP + +QT_END_NAMESPACE |