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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0+ OR GPL-3.0 WITH Qt-GPL-exception-1.0
#include "qtdesignerformclasscodegenerator.h"
#include "formtemplatewizardpage.h"
#include <designer/cpp/formclasswizardparameters.h>
#include <utils/codegeneration.h>
#include <coreplugin/icore.h>
#include <cppeditor/abstracteditorsupport.h>
#include <qtsupport/codegenerator.h>
#include <qtsupport/codegensettings.h>
#include <extensionsystem/pluginmanager.h>
#include <QTextStream>
#include <QSettings>
#include <QFileInfo>
#include <QDebug>
static const char uiMemberC[] = "ui";
static const char uiNamespaceC[] = "Ui";
namespace Designer {
namespace Internal {
// Generation code
// Write out how to access the Ui class in the source code.
static inline void writeUiMemberAccess(const QtSupport::CodeGenSettings &fp, QTextStream &str)
{
switch (fp.embedding) {
case QtSupport::CodeGenSettings::PointerAggregatedUiClass:
str << uiMemberC << "->";
break;
case QtSupport::CodeGenSettings::AggregatedUiClass:
str << uiMemberC << '.';
break;
case QtSupport::CodeGenSettings::InheritedUiClass:
break;
}
}
} // namespace Internal
bool QtDesignerFormClassCodeGenerator::generateCpp(const FormClassWizardParameters ¶meters,
QString *header, QString *source, int indentation)
{
QtSupport::CodeGenSettings generationParameters;
generationParameters.fromSettings(Core::ICore::settings());
const QString indent = QString(indentation, ' ');
QString formBaseClass;
QString uiClassName;
if (!QtSupport::CodeGenerator::uiData(parameters.uiTemplate, &formBaseClass, &uiClassName)) {
qWarning("Unable to determine the form base class from %s.", qPrintable(parameters.uiTemplate));
return false;
}
// Build the ui class (Ui::Foo) name relative to the namespace (which is the same):
const QString colonColon = "::";
const int lastSeparator = uiClassName.lastIndexOf(colonColon);
if (lastSeparator != -1)
uiClassName.remove(0, lastSeparator + colonColon.size());
uiClassName.insert(0, uiNamespaceC + colonColon);
// Do we have namespaces?
QStringList namespaceList = parameters.className.split(colonColon);
if (namespaceList.empty()) // Paranoia!
return false;
const QString unqualifiedClassName = namespaceList.takeLast();
const QString headerLicense =
CppEditor::AbstractEditorSupport::licenseTemplate(parameters.headerFile, parameters.className);
const QString sourceLicense =
CppEditor::AbstractEditorSupport::licenseTemplate(parameters.sourceFile, parameters.className);
// Include guards
const QString guard = Utils::headerGuard(parameters.headerFile, namespaceList);
const QString uiInclude = "ui_" + QFileInfo(parameters.uiFile).completeBaseName() + ".h";
// 1) Header file
QTextStream headerStr(header);
headerStr << headerLicense;
if (parameters.usePragmaOnce)
headerStr << "#pragma once\n\n";
else
headerStr << "#ifndef " << guard << "\n#define " << guard << "\n\n";
// Include 'ui_'
if (generationParameters.embedding != QtSupport::CodeGenSettings::PointerAggregatedUiClass) {
Utils::writeIncludeFileDirective(uiInclude, false, headerStr);
} else {
// Todo: Can we obtain the header from the code model for custom widgets?
// Alternatively, from Designer.
if (formBaseClass.startsWith('Q')) {
if (generationParameters.includeQtModule) {
if (generationParameters.addQtVersionCheck) {
Utils::writeBeginQtVersionCheck(headerStr);
Utils::writeIncludeFileDirective("QtWidgets/" + formBaseClass, true, headerStr);
headerStr << "#else\n";
Utils::writeIncludeFileDirective("QtGui/" + formBaseClass, true, headerStr);
headerStr << "#endif\n";
} else {
Utils::writeIncludeFileDirective("QtGui/" + formBaseClass, true, headerStr);
}
} else {
Utils::writeIncludeFileDirective(formBaseClass, true, headerStr);
}
}
}
const QString namespaceIndent = Utils::writeOpeningNameSpaces(namespaceList, QString(),
headerStr);
// Forward-declare the UI class
if (generationParameters.embedding == QtSupport::CodeGenSettings::PointerAggregatedUiClass) {
headerStr << '\n'
<< namespaceIndent << "namespace " << uiNamespaceC << " {\n"
<< namespaceIndent << indent << "class " << Internal::FormTemplateWizardPage::stripNamespaces(uiClassName) << ";\n"
<< namespaceIndent << "}\n";
}
// Class declaration
headerStr << '\n' << namespaceIndent << "class " << unqualifiedClassName
<< " : public " << formBaseClass;
if (generationParameters.embedding == QtSupport::CodeGenSettings::InheritedUiClass)
headerStr << ", private " << uiClassName;
headerStr << "\n{\n" << namespaceIndent << indent << "Q_OBJECT\n\n"
<< namespaceIndent << "public:\n"
<< namespaceIndent << indent << "explicit " << unqualifiedClassName << "(QWidget *parent = nullptr);\n";
if (generationParameters.embedding == QtSupport::CodeGenSettings::PointerAggregatedUiClass)
headerStr << namespaceIndent << indent << "~" << unqualifiedClassName << "();\n";
// retranslation
if (generationParameters.retranslationSupport)
headerStr << '\n' << namespaceIndent << "protected:\n"
<< namespaceIndent << indent << "void changeEvent(QEvent *e);\n";
// Member variable
if (generationParameters.embedding != QtSupport::CodeGenSettings::InheritedUiClass) {
headerStr << '\n' << namespaceIndent << "private:\n"
<< namespaceIndent << indent << uiClassName << ' ';
if (generationParameters.embedding == QtSupport::CodeGenSettings::PointerAggregatedUiClass)
headerStr << '*';
headerStr << uiMemberC << ";\n";
}
headerStr << namespaceIndent << "};\n\n";
Utils::writeClosingNameSpaces(namespaceList, QString(), headerStr);
if (!parameters.usePragmaOnce)
headerStr << "#endif // " << guard << '\n';
// 2) Source file
QTextStream sourceStr(source);
sourceStr << sourceLicense;
Utils::writeIncludeFileDirective(parameters.headerFile, false, sourceStr);
if (generationParameters.embedding == QtSupport::CodeGenSettings::PointerAggregatedUiClass)
Utils::writeIncludeFileDirective(uiInclude, false, sourceStr);
// NameSpaces(
Utils::writeOpeningNameSpaces(namespaceList, QString(), sourceStr);
// Constructor with setupUi
sourceStr << '\n' << namespaceIndent << unqualifiedClassName << "::" << unqualifiedClassName << "(QWidget *parent) :\n"
<< namespaceIndent << indent << formBaseClass << "(parent)";
if (generationParameters.embedding == QtSupport::CodeGenSettings::PointerAggregatedUiClass)
sourceStr << ",\n" << namespaceIndent << indent << uiMemberC << "(new " << uiClassName << ")";
sourceStr << '\n' << namespaceIndent << "{\n" << namespaceIndent << indent;
Internal::writeUiMemberAccess(generationParameters, sourceStr);
sourceStr << "setupUi(this);\n" << namespaceIndent << "}\n";
// Deleting destructor for ptr
if (generationParameters.embedding == QtSupport::CodeGenSettings::PointerAggregatedUiClass) {
sourceStr << '\n' << namespaceIndent << unqualifiedClassName << "::~" << unqualifiedClassName
<< "()\n" << namespaceIndent << "{\n"
<< namespaceIndent << indent << "delete " << uiMemberC << ";\n"
<< namespaceIndent << "}\n";
}
// retranslation
if (generationParameters.retranslationSupport) {
sourceStr << '\n' << namespaceIndent << "void " << unqualifiedClassName << "::" << "changeEvent(QEvent *e)\n"
<< namespaceIndent << "{\n"
<< namespaceIndent << indent << formBaseClass << "::changeEvent(e);\n"
<< namespaceIndent << indent << "switch (e->type()) {\n" << namespaceIndent << indent << "case QEvent::LanguageChange:\n"
<< namespaceIndent << indent << indent;
Internal::writeUiMemberAccess(generationParameters, sourceStr);
sourceStr << "retranslateUi(this);\n"
<< namespaceIndent << indent << indent << "break;\n"
<< namespaceIndent << indent << "default:\n"
<< namespaceIndent << indent << indent << "break;\n"
<< namespaceIndent << indent << "}\n"
<< namespaceIndent << "}\n";
}
Utils::writeClosingNameSpaces(namespaceList, QString(), sourceStr);
return true;
}
QtDesignerFormClassCodeGenerator::QtDesignerFormClassCodeGenerator()
{
setObjectName("QtDesignerFormClassCodeGenerator");
ExtensionSystem::PluginManager::addObject(this);
}
QtDesignerFormClassCodeGenerator::~QtDesignerFormClassCodeGenerator()
{
ExtensionSystem::PluginManager::removeObject(this);
}
QVariant QtDesignerFormClassCodeGenerator::generateFormClassCode(const FormClassWizardParameters ¶meters)
{
QString header;
QString source;
QtDesignerFormClassCodeGenerator::generateCpp(parameters, &header, &source);
QVariantList result;
result << header << source;
return QVariant(result);
}
} // namespace Designer
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