QmlProjectManager: Add new cmake generator

Automatic cmake generation can now be enabled by setting
the qmlproject property enableCMakeGeneration to true

Change-Id: I98523a9479d0cd812e43a9bd0b700120358260f6
Reviewed-by: <github-actions-qt-creator@cristianadam.eu>
Reviewed-by: Qt CI Patch Build Bot <ci_patchbuild_bot@qt.io>
Reviewed-by: Tim Jenssen <tim.jenssen@qt.io>
Reviewed-by: Burak Hancerli <burak.hancerli@qt.io>

src/plugins/qmlprojectmanager/CMakeLists.txt

@@ -50,6 +50,7 @@ extend_qtc_plugin(QmlProjectManager
       cmakeprojectconverterdialog.cpp cmakeprojectconverterdialog.h
       generatecmakelists.cpp generatecmakelists.h
       generatecmakelistsconstants.h
+      cmakegenerator.cpp cmakegenerator.h
       boilerplate.qrc
 )
 
@@ -57,7 +58,7 @@ add_qtc_library(QmlProjectManagerLib OBJECT
     CONDITION Qt6_VERSION VERSION_GREATER_EQUAL 6.4.3
     EXCLUDE_FROM_INSTALL
     DEPENDS
-        QmlJS Utils
+        QmlJS Utils ProjectExplorer
     INCLUDES
         ${CMAKE_CURRENT_LIST_DIR}
     SOURCES_PREFIX ${CMAKE_CURRENT_LIST_DIR}/buildsystem

src/plugins/qmlprojectmanager/buildsystem/projectitem/converters.cpp

@@ -143,6 +143,7 @@ QString jsonToQmlProject(const QJsonObject &rootObject)
         appendString("mainFile", runConfig["mainFile"].toString());
         appendString("mainUiFile", runConfig["mainUiFile"].toString());
         appendString("targetDirectory", deploymentConfig["targetDirectory"].toString());
+        appendBool("enableCMakeGeneration", deploymentConfig["enableCMakeGeneration"].toBool());
         appendBool("widgetApp", runConfig["widgetApp"].toBool());
         appendStringArray("importPaths", rootObject["importPaths"].toVariant().toStringList());
         appendBreak();
@@ -282,7 +283,8 @@ QJsonObject qmlProjectTojson(const Utils::FilePath &projectFile)
                    || propName.contains("mainuifile", Qt::CaseInsensitive)
                    || propName.contains("forcefreetype", Qt::CaseInsensitive)) {
             currentObj = &runConfigObject;
-        } else if (propName.contains("targetdirectory", Qt::CaseInsensitive)) {
+        } else if (propName.contains("targetdirectory", Qt::CaseInsensitive)
+                || propName.contains("enableCMakeGeneration", Qt::CaseInsensitive)) {
             currentObj = &deploymentObject;
         } else if (propName.contains("qtformcus", Qt::CaseInsensitive)) {
             qtForMCUs = value.toBool();

src/plugins/qmlprojectmanager/buildsystem/projectitem/qmlprojectitem.cpp

@@ -422,4 +422,16 @@ void QmlProjectItem::insertAndUpdateProjectFile(const QString &key, const QJsonV
         m_projectFile.writeFileContents(Converters::jsonToQmlProject(m_project).toUtf8());
 }
 
+bool QmlProjectItem::enableCMakeGeneration() const
+{
+    return m_project["deployment"].toObject()["enableCMakeGeneration"].toBool();
+}
+
+void QmlProjectItem::setEnableCMakeGeneration(bool enable)
+{
+    QJsonObject obj = m_project["deployment"].toObject();
+    obj["enableCMakeGeneration"] = enable;
+    insertAndUpdateProjectFile("deployment", obj);
+}
+
 } // namespace QmlProjectManager

src/plugins/qmlprojectmanager/buildsystem/projectitem/qmlprojectitem.h

@@ -88,6 +88,9 @@ public:
 
     QJsonObject project() const;
 
+    bool enableCMakeGeneration() const;
+    void setEnableCMakeGeneration(bool enable);
+
 signals:
     void qmlFilesChanged(const QSet<QString> &, const QSet<QString> &);
 

src/plugins/qmlprojectmanager/buildsystem/qmlbuildsystem.cpp

@@ -77,6 +77,7 @@ void updateMcuBuildStep(Target *target, bool mcuEnabled)
 
 QmlBuildSystem::QmlBuildSystem(Target *target)
     : BuildSystem(target)
+    , m_cmakeGen(new GenerateCmake::CMakeGenerator(this, this))
 {
     // refresh first - project information is used e.g. to decide the default RC's
     refresh(RefreshOptions::Project);
@@ -86,10 +87,12 @@ QmlBuildSystem::QmlBuildSystem(Target *target)
 
     connect(target->project(), &Project::activeTargetChanged, this, [this](Target *target) {
         refresh(RefreshOptions::NoFileRefresh);
+        m_cmakeGen->initialize(qmlProject());
         updateMcuBuildStep(target, qtForMCUs());
     });
     connect(target->project(), &Project::projectFileIsDirty, this, [this]() {
         refresh(RefreshOptions::Project);
+        m_cmakeGen->initialize(qmlProject());
         updateMcuBuildStep(project()->activeTarget(), qtForMCUs());
     });
 
@@ -220,6 +223,13 @@ void QmlBuildSystem::initProjectItem()
             &QmlProjectItem::qmlFilesChanged,
             this,
             &QmlBuildSystem::refreshFiles);
+
+    connect(m_projectItem.get(),
+            &QmlProjectItem::qmlFilesChanged,
+            m_cmakeGen,
+            &GenerateCmake::CMakeGenerator::update);
+
+    m_cmakeGen->setEnabled(m_projectItem->enableCMakeGeneration());
 }
 
 void QmlBuildSystem::parseProjectFiles()

src/plugins/qmlprojectmanager/buildsystem/qmlbuildsystem.h

@@ -8,6 +8,8 @@
 #include "../qmlprojectmanager_global.h"
 #include <projectexplorer/buildsystem.h>
 
+#include "qmlprojectmanager/cmakegen/cmakegenerator.h"
+
 namespace QmlProjectManager {
 
 class QmlProject;
@@ -122,6 +124,8 @@ private:
     void registerMenuButtons();
     void updateDeploymentData();
     friend class FilesUpdateBlocker;
+
+    GenerateCmake::CMakeGenerator* m_cmakeGen;
 };
 
 } // namespace QmlProjectManager

src/plugins/qmlprojectmanager/cmakegen/boilerplate.qrc

@@ -1,5 +1,8 @@
 <RCC>
     <qresource prefix="/boilerplatetemplates">
+        <file>gencmakeroot.tpl</file>
+        <file>gencmakemodule.tpl</file>
+        <file>gencmakeheadercomponents.tpl</file>
         <file>qmlprojectmaincpp.tpl</file>
         <file>qmlprojectmaincppheader.tpl</file>
         <file>qmlprojectenvheader.tpl</file>

src/plugins/qmlprojectmanager/cmakegen/cmakegenerator.cpp

@@ -0,0 +1,550 @@
+// Copyright (C) 2023 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
+
+#include "cmakegenerator.h"
+#include "generatecmakelistsconstants.h"
+
+#include "projectexplorer/projectmanager.h"
+#include "projectexplorer/projectnodes.h"
+#include "qmlprojectmanager/qmlproject.h"
+
+#include <QRegularExpression>
+
+#include <set>
+
+namespace QmlProjectManager {
+
+namespace GenerateCmake {
+
+const char TEMPLATE_CMAKELISTS_ROOT[] = ":/boilerplatetemplates/gencmakeroot.tpl";
+const char TEMPLATE_CMAKELISTS_MODULE[] = ":/boilerplatetemplates/gencmakemodule.tpl";
+
+const char TEMPLATE_QMLMODULES[] = ":/boilerplatetemplates/qmlprojectmodules.tpl";
+const char TEMPLATE_SOURCE_MAIN[] = ":/boilerplatetemplates/qmlprojectmaincpp.tpl";
+const char TEMPLATE_HEADER_IMPORT_COMPS[] = ":/boilerplatetemplates/gencmakeheadercomponents.tpl";
+const char TEMPLATE_HEADER_IMPORT_PLUGINS[] = ":/boilerplatetemplates/qmlprojectmaincppheader.tpl";
+const char TEMPLATE_HEADER_ENVIRONMENT[] = ":/boilerplatetemplates/qmlprojectenvheader.tpl";
+
+const char DO_NOT_EDIT_FILE_COMMENT[] =
+"### This file is automatically generated by Qt Design Studio.\n"
+"### Do not change\n\n";
+
+const char ADD_SUBDIR[] = "add_subdirectory(%1)\n";
+
+const char BIG_RESOURCE_TEMPLATE[] = R"(
+qt6_add_resources(%1 %2
+    BIG_RESOURCES
+    PREFIX "%3"
+    VERSION 1.0
+    FILES %4
+))";
+
+CMakeGenerator::CMakeGenerator(QmlBuildSystem *bs, QObject *parent)
+    : QObject(parent)
+    , m_root(std::make_shared<Node>())
+    , m_buildSystem(bs)
+{}
+
+void CMakeGenerator::setEnabled(bool enabled)
+{
+    m_enabled = enabled;
+}
+
+void CMakeGenerator::initialize(QmlProject *project)
+{
+    if (!m_enabled)
+        return;
+
+    m_srcs.clear();
+    m_moduleNames.clear();
+
+    m_root = std::make_shared<Node>();
+    m_root->name = QString("Root");
+    m_root->dir = project->rootProjectDirectory();
+
+    m_projectName = project->displayName();
+
+    ProjectExplorer::ProjectNode *rootProjectNode = project->rootProjectNode();
+    parseNodeTree(m_root, rootProjectNode);
+    parseSourceTree();
+
+    createCMakeFiles(m_root);
+    createEntryPoints(m_root);
+}
+
+void CMakeGenerator::update(const QSet<QString> &added, const QSet<QString> &removed)
+{
+    if (!m_enabled)
+        return;
+
+    std::set<NodePtr> dirtyModules;
+    for (const QString &add : added) {
+        const Utils::FilePath path = Utils::FilePath::fromString(add);
+        if (auto node = findOrCreateNode(m_root, path)) {
+            insertFile(node, path);
+            if (auto module = findModuleFor(node))
+                dirtyModules.insert(module);
+        } else {
+            qDebug() << "CmakeGen: Failed to find Folder node " << path;
+        }
+    }
+
+    for (const QString &remove : removed) {
+        const Utils::FilePath path = Utils::FilePath::fromString(remove);
+        if (auto node = findNode(m_root, path)) {
+            removeFile(node, path);
+            if (auto module = findModuleFor(node))
+                dirtyModules.insert(module);
+        }
+    }
+
+    for (auto module : dirtyModules)
+        createModuleCMakeFile(module);
+}
+
+std::vector<Utils::FilePath> CMakeGenerator::qmlFiles(const NodePtr &node) const
+{
+    std::vector<Utils::FilePath> out = node->files;
+    for (const NodePtr &child : node->subdirs) {
+        if (child->module)
+            continue;
+
+        auto childFiles = qmlFiles(child);
+        out.insert(out.end(), childFiles.begin(), childFiles.end());
+    }
+    return out;
+}
+
+std::vector<Utils::FilePath> CMakeGenerator::singletons(const NodePtr &node) const
+{
+    std::vector<Utils::FilePath> out = node->singletons;
+    for (const NodePtr &child : node->subdirs) {
+        if (child->module)
+            continue;
+
+        auto childFiles = singletons(child);
+        out.insert(out.end(), childFiles.begin(), childFiles.end());
+    }
+    return out;
+}
+
+std::vector<Utils::FilePath> CMakeGenerator::resources(const NodePtr &node) const
+{
+    std::vector<Utils::FilePath> out = node->resources;
+    for (const NodePtr &child : node->subdirs) {
+        if (child->module)
+            continue;
+
+        auto childFiles = resources(child);
+        out.insert(out.end(), childFiles.begin(), childFiles.end());
+    }
+    return out;
+}
+
+std::vector<Utils::FilePath> CMakeGenerator::sources(const NodePtr &node) const
+{
+    std::vector<Utils::FilePath> out = node->sources;
+    for (const NodePtr &child : node->subdirs) {
+        if (child->module)
+            continue;
+
+        auto childFiles = sources(child);
+        out.insert(out.end(), childFiles.begin(), childFiles.end());
+    }
+    return out;
+}
+
+void CMakeGenerator::createCMakeFiles(const NodePtr &node) const
+{
+    if (node->name == "Root") {
+        createMainCMakeFile(node);
+        createQmlModuleFile(node);
+    } else if (node->module || hasChildModule(node)) {
+        createModuleCMakeFile(node);
+    }
+    for (const NodePtr &n : node->subdirs)
+        createCMakeFiles(n);
+}
+
+void CMakeGenerator::createMainCMakeFile(const NodePtr &node) const
+{
+    const QString appName = m_projectName + "App";
+
+    const QString qtcontrolsConfFile = makeEnvironmentVariable(Constants::ENV_VARIABLE_CONTROLCONF);
+
+    QString fileSection = "";
+    if (!qtcontrolsConfFile.isEmpty())
+        fileSection = QString("    FILES\n        %1").arg(qtcontrolsConfFile);
+
+    const QString fileTemplate = readTemplate(TEMPLATE_CMAKELISTS_ROOT);
+    const QString fileContent = fileTemplate.arg(appName, m_srcs.join(" "), fileSection);
+
+    const Utils::FilePath file = node->dir.pathAppended("CMakeLists.txt");
+    writeFile(file, fileContent);
+}
+
+void CMakeGenerator::createQmlModuleFile(const NodePtr &node) const
+{
+    const QString appName = m_projectName + "App";
+
+    QString subdirIncludes;
+    for (const NodePtr &n : node->subdirs)
+        subdirIncludes.append(QString(ADD_SUBDIR).arg(n->name));
+
+    QString modulesAsPlugins;
+    for (const QString &moduleName : m_moduleNames)
+        modulesAsPlugins.append("    " + moduleName + "plugin\n");
+
+    const QString fileTemplate = readTemplate(TEMPLATE_QMLMODULES);
+    const QString fileContent = fileTemplate.arg(appName, subdirIncludes, modulesAsPlugins);
+
+    const Utils::FilePath file = node->dir.pathAppended("qmlModules");
+    writeFile(file, fileContent);
+}
+
+void CMakeGenerator::createModuleCMakeFile(const NodePtr &node) const
+{
+    QString subDirContent;
+    for (const NodePtr &n : node->subdirs) {
+        if (n->module || hasChildModule(n))
+            subDirContent.append(QString(ADD_SUBDIR).arg(n->dir.fileName()));
+    }
+
+    QString content;
+    if (!node->module && hasChildModule(node)) {
+        content.append(DO_NOT_EDIT_FILE_COMMENT);
+        content.append(subDirContent);
+        Utils::FilePath file = node->dir.pathAppended("CMakeLists.txt");
+        writeFile(file, content);
+        return;
+    }
+
+    auto makeRelative = [](const Utils::FilePath &base,
+                           const Utils::FilePath &converted) -> QString {
+        return "\"" + Utils::FilePath::calcRelativePath(converted.toString(), base.toString()) + "\"";
+    };
+
+    QString uri = node->uri;
+    if (uri.isEmpty())
+        uri = node->dir.baseName();
+
+    const QString setProperties(
+        "set_source_files_properties(%1\n    PROPERTIES\n        %2 %3\n)\n\n");
+
+    for (const Utils::FilePath &path : node->singletons) {
+        content.append(setProperties.arg(path.fileName()).arg("QT_QML_SINGLETON_TYPE").arg("true"));
+    }
+
+    if (!subDirContent.isEmpty())
+        content.append(subDirContent);
+
+    QString qmlFileContent;
+    for (const Utils::FilePath &path : qmlFiles(node)) {
+        qmlFileContent.append(QString("        %1\n").arg(makeRelative(node->dir, path)));
+    }
+
+    QString moduleContent;
+    if (!qmlFileContent.isEmpty())
+        moduleContent.append(QString("    QML_FILES\n%1").arg(qmlFileContent));
+
+    std::vector<QString> bigResources;
+    QString resourceFiles;
+    for (const Utils::FilePath &path : resources(node)) {
+        if (path.fileSize() > 5000000) {
+            bigResources.push_back(makeRelative(node->dir, path));
+            continue;
+        }
+        resourceFiles.append(QString("        %1\n").arg(makeRelative(node->dir, path)));
+    }
+
+    if (!resourceFiles.isEmpty())
+        moduleContent.append(QString("    RESOURCES\n%1").arg(resourceFiles));
+
+    QString bigResourceContent;
+    if (!bigResources.empty()) {
+        QString resourceContent;
+        for (const QString &res : bigResources)
+            resourceContent.append(QString("\n    %1").arg(res));
+
+        const QString prefixPath = QString(uri).replace('.', '/');
+        const QString prefix = "/qt/qml/" + prefixPath;
+        const QString resourceName = node->name + "BigResource";
+
+        bigResourceContent = QString::fromUtf8(BIG_RESOURCE_TEMPLATE, -1)
+                                 .arg(node->name, resourceName, prefix, resourceContent);
+    }
+
+    const QString fileTemplate = readTemplate(TEMPLATE_CMAKELISTS_MODULE);
+    const QString fileContent =
+        fileTemplate.arg(content, node->name, uri, moduleContent, bigResourceContent);
+
+    const Utils::FilePath file = node->dir.pathAppended("CMakeLists.txt");
+    writeFile(file, fileContent);
+}
+
+void CMakeGenerator::createEntryPoints(const NodePtr &node) const
+{
+    createMainCppFile(node);
+}
+
+void CMakeGenerator::createMainCppFile(const NodePtr &node) const
+{
+    const Utils::FilePath srcDir = node->dir.pathAppended(Constants::DIRNAME_CPP);
+    if (!srcDir.exists()) {
+        srcDir.createDir();
+
+        const Utils::FilePath componentsHeaderPath = srcDir.pathAppended(
+            "import_qml_components_plugins.h");
+        const QString componentsHeaderContent = readTemplate(TEMPLATE_HEADER_IMPORT_COMPS);
+        writeFile(componentsHeaderPath, componentsHeaderContent);
+
+        const Utils::FilePath cppFilePath = srcDir.pathAppended("main.cpp");
+        const QString cppContent = readTemplate(TEMPLATE_SOURCE_MAIN);
+        writeFile(cppFilePath, cppContent);
+
+        const Utils::FilePath envHeaderPath = srcDir.pathAppended("app_environment.h");
+        if (m_buildSystem) {
+            QString environment;
+            const QString qtcontrolsConfFile = makeEnvironmentVariable(
+                Constants::ENV_VARIABLE_CONTROLCONF);
+            for (Utils::EnvironmentItem &envItem : m_buildSystem->environment()) {
+                QString key = envItem.name;
+                QString value = envItem.value;
+                if (value == qtcontrolsConfFile)
+                    value.prepend(":/");
+                environment.append(QString("    qputenv(\"%1\", \"%2\");\n").arg(key).arg(value));
+            }
+            const QString envHeaderContent = readTemplate(TEMPLATE_HEADER_ENVIRONMENT).arg(environment);
+            writeFile(envHeaderPath, envHeaderContent);
+        }
+    }
+
+    QString moduleContent;
+    for (const QString &module : m_moduleNames)
+        moduleContent.append(QString("Q_IMPORT_QML_PLUGIN(%1)\n").arg(module + "Plugin"));
+
+    const QString headerContent = readTemplate(TEMPLATE_HEADER_IMPORT_PLUGINS).arg(moduleContent);
+    const Utils::FilePath headerFilePath = srcDir.pathAppended("import_qml_plugins.h");
+    writeFile(headerFilePath, headerContent);
+}
+
+void CMakeGenerator::writeFile(const Utils::FilePath &path, const QString &content) const
+{
+    QFile fileHandle(path.toString());
+    fileHandle.open(QIODevice::WriteOnly);
+    QTextStream stream(&fileHandle);
+    stream << content;
+    fileHandle.close();
+}
+
+QString CMakeGenerator::makeEnvironmentVariable(const QString &key) const
+{
+    QString value = {};
+
+    if (m_buildSystem) {
+        auto envItems = m_buildSystem->environment();
+        auto confEnv = std::find_if(envItems.begin(),
+                                    envItems.end(),
+                                    [key](Utils::NameValueItem &item) { return item.name == key; });
+        if (confEnv != envItems.end())
+            value = confEnv->value;
+    }
+    return value;
+}
+
+QString CMakeGenerator::readTemplate(const QString &templatePath) const
+{
+    QFile templatefile(templatePath);
+    templatefile.open(QIODevice::ReadOnly);
+    QTextStream stream(&templatefile);
+    QString content = stream.readAll();
+    templatefile.close();
+    return content;
+}
+
+void CMakeGenerator::readQmlDir(const Utils::FilePath &filePath, NodePtr &node) const
+{
+    node->module = true;
+
+    QFile f(filePath.toString());
+    f.open(QIODevice::ReadOnly);
+    QTextStream stream(&f);
+
+    Utils::FilePath dir = filePath.parentDir();
+    while (!stream.atEnd()) {
+        const QString line = stream.readLine();
+        const QStringList tokenizedLine = line.split(QRegularExpression("\\s+"));
+        const QString maybeFileName = tokenizedLine.last();
+        if (tokenizedLine.first().compare("module", Qt::CaseInsensitive) == 0) {
+            node->uri = tokenizedLine.last();
+            node->name = QString(node->uri).replace('.', '_');
+        } else if (maybeFileName.endsWith(".qml", Qt::CaseInsensitive)) {
+            Utils::FilePath tmp = dir.pathAppended(maybeFileName);
+            if (tokenizedLine.first() == "singleton")
+                node->singletons.push_back(tmp);
+        }
+    }
+
+    f.close();
+}
+
+CMakeGenerator::NodePtr CMakeGenerator::findModuleFor(const NodePtr &node) const
+{
+    NodePtr current = node;
+    while (current->parent) {
+        if (current->module)
+            return current;
+
+        current = current->parent;
+    }
+    return nullptr;
+}
+
+CMakeGenerator::NodePtr CMakeGenerator::findNode(NodePtr &node, const Utils::FilePath &path) const
+{
+    const Utils::FilePath parentDir = path.parentDir();
+    for (NodePtr &child : node->subdirs) {
+        if (child->dir == parentDir)
+            return child;
+        if (path.isChildOf(child->dir))
+            return findNode(child, path);
+    }
+    return nullptr;
+}
+
+CMakeGenerator::NodePtr CMakeGenerator::findOrCreateNode(NodePtr &node,
+                                                         const Utils::FilePath &path) const
+{
+    if (auto found = findNode(node, path))
+        return found;
+
+    if (!path.isChildOf(node->dir))
+        return nullptr;
+
+    const Utils::FilePath parentDir = path.parentDir();
+    const Utils::FilePath relative = parentDir.relativeChildPath(node->dir);
+    const QChar separator = relative.pathComponentSeparator();
+    const QList<QStringView> components = relative.pathView().split(separator);
+
+    NodePtr last = node;
+    for (const auto &comp : components) {
+        NodePtr newNode = std::make_shared<Node>();
+        newNode->parent = last;
+        newNode->name = comp.toString();
+        newNode->dir = last->dir.pathAppended(comp.toString());
+        last->subdirs.push_back(newNode);
+        last = newNode;
+    }
+    return last;
+}
+
+void CMakeGenerator::insertFile(NodePtr &node, const Utils::FilePath &path) const
+{
+    if (path.fileName() == "qmldir") {
+        readQmlDir(path, node);
+    } else if (path.suffix() == "qml" || path.suffix() == "ui.qml") {
+        node->files.push_back(path);
+    } else if (path.suffix() == "cpp") {
+        node->sources.push_back(path);
+    } else if (isResource(path)) {
+        node->resources.push_back(path);
+    }
+}
+
+void CMakeGenerator::removeFile(NodePtr &node, const Utils::FilePath &path) const
+{
+    if (path.fileName() == "qmldir") {
+        node->module = false;
+        node->singletons.clear();
+        node->uri = "";
+        node->name = path.parentDir().fileName();
+
+    } else if (path.suffix() == "qml") {
+        auto iter = std::find(node->files.begin(), node->files.end(), path);
+        if (iter != node->files.end())
+            node->files.erase(iter);
+    } else if (isResource(path)) {
+        auto iter = std::find(node->resources.begin(), node->resources.end(), path);
+        if (iter != node->resources.end())
+            node->resources.erase(iter);
+    }
+}
+
+bool CMakeGenerator::hasChildModule(const NodePtr &node) const
+{
+    for (const NodePtr &child : node->subdirs) {
+        if (child->module)
+            return true;
+        if (hasChildModule(child))
+            return true;
+    }
+    return false;
+}
+
+bool CMakeGenerator::isResource(const Utils::FilePath &path) const
+{
+    static const QStringList suffixes = {
+        "json", "mesh", "dae", "qad", "hints", "png", "hdr", "ttf", "jpg",
+        "JPG", "js", "qsb", "frag", "frag.qsb", "vert", "vert.qsb", "svg", "ktx"};
+    return suffixes.contains(path.suffix());
+}
+
+void CMakeGenerator::printNodeTree(const NodePtr &generatorNode, size_t indent) const
+{
+    auto addIndent = [](size_t level) -> QString {
+        QString str;
+        for (size_t i = 0; i < level; ++i)
+            str += "    ";
+        return str;
+    };
+
+    qDebug() << addIndent(indent) << "GeneratorNode: " << generatorNode->name;
+    qDebug() << addIndent(indent) << "directory: " << generatorNode->dir;
+    qDebug() << addIndent(indent) << "files: " << generatorNode->files;
+    qDebug() << addIndent(indent) << "singletons: " << generatorNode->singletons;
+    qDebug() << addIndent(indent) << "resources: " << generatorNode->resources;
+    qDebug() << addIndent(indent) << "sources: " << generatorNode->sources;
+
+    for (const auto &child : generatorNode->subdirs)
+        printNodeTree(child, indent + 1);
+}
+
+void CMakeGenerator::parseNodeTree(NodePtr &generatorNode,
+                                   const ProjectExplorer::FolderNode *folderNode)
+{
+    for (const auto *childNode : folderNode->nodes()) {
+        if (const auto *subFolderNode = childNode->asFolderNode()) {
+            CMakeGenerator::NodePtr childGeneratorNode = std::make_shared<Node>();
+            childGeneratorNode->parent = generatorNode;
+            childGeneratorNode->name = subFolderNode->displayName();
+            childGeneratorNode->dir = subFolderNode->filePath();
+            parseNodeTree(childGeneratorNode, subFolderNode);
+            generatorNode->subdirs.push_back(childGeneratorNode);
+        } else if (auto *fileNode = childNode->asFileNode()) {
+            insertFile(generatorNode, fileNode->filePath());
+        }
+    }
+
+    if (generatorNode->name == "content")
+        generatorNode->module = true;
+
+    if (generatorNode->module)
+        m_moduleNames.push_back(generatorNode->name);
+}
+
+void CMakeGenerator::parseSourceTree()
+{
+    m_srcs.clear();
+    const QString srcDir = m_root->dir.pathAppended(Constants::DIRNAME_CPP).path();
+    QDirIterator it(srcDir, QStringList({"*.cpp"}), QDir::Files, QDirIterator::Subdirectories);
+    while (it.hasNext()) {
+        QString relative = Utils::FilePath::calcRelativePath(it.next(), m_root->dir.path());
+        m_srcs.push_back(relative);
+    }
+
+    if (m_srcs.empty())
+        m_srcs.push_back("src/main.cpp");
+}
+
+} // namespace GenerateCmake
+} // namespace QmlProjectManager

src/plugins/qmlprojectmanager/cmakegen/cmakegenerator.h

@@ -0,0 +1,101 @@
+// Copyright (C) 2023 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
+#pragma once
+
+#include "utils/filepath.h"
+
+#include <QObject>
+
+namespace ProjectExplorer {
+class FolderNode;
+}
+
+namespace QmlProjectManager {
+
+class QmlProject;
+class QmlBuildSystem;
+
+namespace GenerateCmake {
+
+// TODO:
+// - Create "module" for src dir
+// - Replace AppName in templates with ${CMAKE_PROJECT_NAME}
+// - Introduce Blacklist (designer)
+
+class CMakeGenerator : public QObject
+{
+    Q_OBJECT
+
+public:
+    CMakeGenerator(QmlBuildSystem *bs, QObject *parent = nullptr);
+
+    void setEnabled(bool enabled);
+
+    void initialize(QmlProject *project);
+
+    void update(const QSet<QString> &added, const QSet<QString> &removed);
+
+private:
+    struct Node
+    {
+        std::shared_ptr<Node> parent = nullptr;
+        bool module = false;
+
+        QString uri;
+        QString name;
+        Utils::FilePath dir;
+
+        std::vector<std::shared_ptr<Node>> subdirs;
+        std::vector<Utils::FilePath> files;
+        std::vector<Utils::FilePath> singletons;
+        std::vector<Utils::FilePath> resources;
+        std::vector<Utils::FilePath> sources;
+    };
+
+    using NodePtr = std::shared_ptr<Node>;
+
+    std::vector<Utils::FilePath> qmlFiles(const NodePtr &node) const;
+    std::vector<Utils::FilePath> singletons(const NodePtr &node) const;
+    std::vector<Utils::FilePath> resources(const NodePtr &node) const;
+    std::vector<Utils::FilePath> sources(const NodePtr &node) const;
+
+    void createCMakeFiles(const NodePtr &node) const;
+
+    void createQmlModuleFile(const NodePtr &node) const;
+    void createMainCMakeFile(const NodePtr &node) const;
+    void createModuleCMakeFile(const NodePtr &node) const;
+
+    void createEntryPoints(const NodePtr &node) const;
+    void createMainCppFile(const NodePtr &node) const;
+    void writeFile(const Utils::FilePath &path, const QString &content) const;
+
+    QString makeEnvironmentVariable(const QString &key) const;
+
+    QString readTemplate(const QString &templatePath) const;
+    void readQmlDir(const Utils::FilePath &filePath, NodePtr &node) const;
+
+    NodePtr findModuleFor(const NodePtr &node) const;
+    NodePtr findNode(NodePtr &node, const Utils::FilePath &path) const;
+    NodePtr findOrCreateNode(NodePtr &node, const Utils::FilePath &path) const;
+
+    void insertFile(NodePtr &node, const Utils::FilePath &path) const;
+    void removeFile(NodePtr &node, const Utils::FilePath &path) const;
+
+    bool hasChildModule(const NodePtr &node) const;
+    bool isResource(const Utils::FilePath &path) const;
+
+    void printNodeTree(const NodePtr &generatorNode, size_t indent = 0) const;
+
+    void parseNodeTree(NodePtr &generatorNode, const ProjectExplorer::FolderNode *folderNode);
+    void parseSourceTree();
+
+    bool m_enabled = false;
+    QString m_projectName = {};
+    NodePtr m_root = {};
+    QStringList m_srcs = {};
+    std::vector<QString> m_moduleNames = {};
+    QmlBuildSystem *m_buildSystem = nullptr;
+};
+
+} // namespace GenerateCmake
+} // namespace QmlProjectManager

src/plugins/qmlprojectmanager/cmakegen/gencmakeheadercomponents.tpl

@@ -0,0 +1,19 @@
+/*
+ * This file is automatically generated by Qt Design Studio.
+ * Do not change.
+*/
+
+#include "qqmlextensionplugin.h"
+
+#ifdef BUILD_QDS_COMPONENTS
+
+Q_IMPORT_QML_PLUGIN(QtQuick_Studio_ComponentsPlugin)
+Q_IMPORT_QML_PLUGIN(QtQuick_Studio_EffectsPlugin)
+Q_IMPORT_QML_PLUGIN(QtQuick_Studio_ApplicationPlugin)
+Q_IMPORT_QML_PLUGIN(FlowViewPlugin)
+Q_IMPORT_QML_PLUGIN(QtQuick_Studio_LogicHelperPlugin)
+Q_IMPORT_QML_PLUGIN(QtQuick_Studio_MultiTextPlugin)
+Q_IMPORT_QML_PLUGIN(QtQuick_Studio_EventSimulatorPlugin)
+Q_IMPORT_QML_PLUGIN(QtQuick_Studio_EventSystemPlugin)
+
+#endif

src/plugins/qmlprojectmanager/cmakegen/gencmakemodule.tpl

@@ -0,0 +1,14 @@
+### This file is automatically generated by Qt Design Studio.
+### Do not change
+
+%1
+
+qt_add_library(%2 STATIC)
+qt6_add_qml_module(%2
+    URI "%3"
+    VERSION 1.0
+    RESOURCE_PREFIX "/qt/qml"
+%4
+)
+
+%5

src/plugins/qmlprojectmanager/cmakegen/gencmakeroot.tpl

@@ -0,0 +1,52 @@
+cmake_minimum_required(VERSION 3.21.1)
+
+option(LINK_INSIGHT "Link Qt Insight Tracker library" ON)
+option(BUILD_QDS_COMPONENTS "Build design studio components" ON)
+
+project(%1 LANGUAGES CXX)
+
+set(CMAKE_AUTOMOC ON)
+set(CMAKE_INCLUDE_CURRENT_DIR ON)
+set(QT_QML_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/qml)
+set(QML_IMPORT_PATH ${QT_QML_OUTPUT_DIRECTORY}
+    CACHE STRING "Import paths for Qt Creator's code model"
+    FORCE
+)
+
+find_package(Qt6 6.2 REQUIRED COMPONENTS Core Gui Qml Quick)
+
+if (Qt6_VERSION VERSION_GREATER_EQUAL 6.3)
+    qt_standard_project_setup()
+endif()
+
+qt_add_executable(%1 %2)
+
+qt_add_resources(%1 "configuration"
+    PREFIX "/"
+%3
+)
+
+target_link_libraries(%1 PRIVATE
+    Qt${QT_VERSION_MAJOR}::Core
+    Qt${QT_VERSION_MAJOR}::Gui
+    Qt${QT_VERSION_MAJOR}::Quick
+    Qt${QT_VERSION_MAJOR}::Qml
+)
+
+if (BUILD_QDS_COMPONENTS)
+    include(${CMAKE_CURRENT_SOURCE_DIR}/qmlcomponents OPTIONAL)
+endif()
+
+include(${CMAKE_CURRENT_SOURCE_DIR}/qmlmodules)
+
+if (LINK_INSIGHT)
+    include(${CMAKE_CURRENT_SOURCE_DIR}/insight OPTIONAL)
+endif ()
+
+include(GNUInstallDirs)
+install(TARGETS %1
+  BUNDLE DESTINATION .
+  LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
+  RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
+)
+

tests/unit/tests/unittests/qmlprojectmanager/data/converter/test-set-1/testfile.jsontoqml

@@ -7,6 +7,7 @@ Project {
     mainFile: "content/App.qml"
     mainUiFile: "content/Screen01.ui.qml"
     targetDirectory: "/opt/UntitledProject13"
+    enableCMakeGeneration: false
     widgetApp: true
     importPaths: [ "imports","asset_imports" ]
 

tests/unit/tests/unittests/qmlprojectmanager/data/converter/test-set-1/testfile.qmlproject

@@ -90,6 +90,8 @@ Project {
     /* Required for deployment */
     targetDirectory: "/opt/UntitledProject13"
 
+    enableCMakeGeneration: false
+
     qdsVersion: "4.0"
 
     quickVersion: "6.2"

tests/unit/tests/unittests/qmlprojectmanager/data/converter/test-set-1/testfile.qmltojson

@@ -1,5 +1,6 @@
 {
     "deployment": {
+        "enableCMakeGeneration": false,
         "targetDirectory": "/opt/UntitledProject13"
     },
     "environment": {

tests/unit/tests/unittests/qmlprojectmanager/data/converter/test-set-2/testfile.jsontoqml

@@ -6,6 +6,7 @@ import QmlProject
 Project {
     mainFile: "fileSelectors.qml"
     targetDirectory: "/opt/fileSelectors"
+    enableCMakeGeneration: false
     widgetApp: false
     importPaths: [ "imports" ]
 

tests/unit/tests/unittests/qmlprojectmanager/data/converter/test-set-2/testfile.qmlproject

@@ -44,4 +44,6 @@ Project {
 
     /* Required for deployment */
     targetDirectory: "/opt/fileSelectors"
+
+    enableCMakeGeneration: false
 }

tests/unit/tests/unittests/qmlprojectmanager/data/converter/test-set-2/testfile.qmltojson

@@ -1,5 +1,6 @@
 {
     "deployment": {
+        "enableCMakeGeneration": false,
         "targetDirectory": "/opt/fileSelectors"
     },
     "environment": {

tests/unit/tests/unittests/qmlprojectmanager/data/converter/test-set-3/testfile.jsontoqml

@@ -7,6 +7,7 @@ Project {
     mainFile: "content/App.qml"
     mainUiFile: "content/Screen01.ui.qml"
     targetDirectory: "/opt/UntitledProject13"
+    enableCMakeGeneration: false
     widgetApp: true
     importPaths: [ "imports","asset_imports" ]
 

tests/unit/tests/unittests/qmlprojectmanager/data/converter/test-set-3/testfile.qmlproject

@@ -90,6 +90,8 @@ Project {
     /* Required for deployment */
     QDS.targetDirectory: "/opt/UntitledProject13"
 
+    QDS.enableCMakeGeneration: false
+
     QDS.qdsVersion: "4.0"
 
     QDS.quickVersion: "6.2"

tests/unit/tests/unittests/qmlprojectmanager/data/converter/test-set-3/testfile.qmltojson

@@ -1,5 +1,6 @@
 {
     "deployment": {
+        "enableCMakeGeneration": false,
         "targetDirectory": "/opt/UntitledProject13"
     },
     "environment": {

tests/unit/tests/unittests/qmlprojectmanager/data/converter/test-set-mcu-1/testfile.jsontoqml

@@ -6,6 +6,7 @@ import QmlProject
 Project {
     mainFile: "Main.qml"
     targetDirectory: "/opt/UntitledProject13"
+    enableCMakeGeneration: false
     widgetApp: true
     importPaths: [ "imports","asset_imports" ]
 

tests/unit/tests/unittests/qmlprojectmanager/data/converter/test-set-mcu-2/testfile.jsontoqml

@@ -4,6 +4,7 @@
 import QmlProject
 
 Project {
+    enableCMakeGeneration: false
     widgetApp: false
 
     qt6Project: false

tests/unit/tests/unittests/qmlprojectmanager/data/getter-setter/empty.qmlproject

@@ -11,6 +11,7 @@ Project {
     
     importPaths: [ ]
     targetDirectory: ""
+    enableCMakeGeneration: false
     fileSelectors: [ ]
 
     qdsVersion: ""

tests/unit/tests/unittests/qmlprojectmanager/data/getter-setter/with_qds_prefix.qmlproject

@@ -11,6 +11,7 @@ Project {
 
     QDS.importPaths: [ "imports", "asset_imports" ]
     QDS.targetDirectory: "/opt/targetDirectory"
+    QDS.enableCMakeGeneration: true
     QDS.fileSelectors: [ "WXGA", "darkTheme", "ShowIndicator"]
 
     QDS.qdsVersion: "3.9"

tests/unit/tests/unittests/qmlprojectmanager/data/getter-setter/without_qds_prefix.qmlproject

@@ -11,6 +11,7 @@ Project {
 
     importPaths: [ "imports", "asset_imports" ]
     targetDirectory: "/opt/targetDirectory"
+    enableCMakeGeneration: true
     fileSelectors: [ "WXGA", "darkTheme", "ShowIndicator"]
 
     qdsVersion: "3.9"

tests/unit/tests/unittests/qmlprojectmanager/projectitem-test.cpp

@@ -121,6 +121,13 @@ TEST_F(QmlProjectItem, get_with_qds_prefix_tar_get_with_qds_prefix_directory)
     ASSERT_THAT(targetDirectory, Eq("/opt/targetDirectory"));
 }
 
+TEST_F(QmlProjectItem, get_with_qds_prefix_enable_cmake_generation)
+{
+    auto enable = projectItemWithQdsPrefix->enableCMakeGeneration();
+
+    ASSERT_TRUE(enable);
+}
+
 TEST_F(QmlProjectItem, get_with_qds_prefix_import_paths)
 {
     auto importPaths = projectItemWithQdsPrefix->importPaths();
@@ -266,6 +273,13 @@ TEST_F(QmlProjectItem, get_without_qds_prefix_tar_get_without_qds_prefix_directo
     ASSERT_THAT(targetDirectory, Eq("/opt/targetDirectory"));
 }
 
+TEST_F(QmlProjectItem, get_without_qds_prefix_enable_cmake_generation)
+{
+    auto enable = projectItemWithoutQdsPrefix->enableCMakeGeneration();
+
+    ASSERT_TRUE(enable);
+}
+
 TEST_F(QmlProjectItem, get_without_qds_prefix_import_paths)
 {
     auto importPaths = projectItemWithoutQdsPrefix->importPaths();
@@ -413,6 +427,13 @@ TEST_F(QmlProjectItem, get_empty_tar_get_empty_directory)
     ASSERT_THAT(targetDirectory, IsEmpty());
 }
 
+TEST_F(QmlProjectItem, get_empty_enable_cmake_generation)
+{
+    auto enable = projectItemEmpty->enableCMakeGeneration();
+
+    ASSERT_FALSE(enable);
+}
+
 TEST_F(QmlProjectItem, get_empty_import_paths)
 {
     auto importPaths = projectItemEmpty->importPaths();
@@ -677,6 +698,13 @@ TEST_F(QmlProjectItem, set_design_studio_version)
     ASSERT_EQ(projectItemSetters->versionDesignStudio(), "6");
 }
 
+TEST_F(QmlProjectItem, set_enable_cmake_generation)
+{
+    projectItemSetters->setEnableCMakeGeneration(true);
+
+    ASSERT_EQ(projectItemSetters->enableCMakeGeneration(), true);
+}
+
 // TODO: We should move these 2 tests into the integration tests
 TEST_F(QmlProjectItem, test_file_filters)
 {