Long live Qt 4.5!

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