qt4project.cpp

    emit runConfigurationsEnabledStateChanged();
    emit targetInformationChanged();
}

ProjectExplorer::ToolChain::ToolChainType Qt4Project::toolChainType(BuildConfiguration *configuration) const
{
    ToolChain::ToolChainType originalType = ToolChain::ToolChainType(configuration->value("ToolChain").toInt());
    ToolChain::ToolChainType type = originalType;
    const QtVersion *version = qtVersion(configuration);
    if (!version->possibleToolChainTypes().contains(type)) // use default tool chain
        type = version->defaultToolchainType();
    if (type != originalType)
        const_cast<Qt4Project *>(this)->setToolChainType(configuration, type);
    return type;
}

QString Qt4Project::extractSpecFromArgumentList(const QStringList &list, QString directory, QtVersion *version)
{
    int index = list.indexOf("-spec");
    if (index == -1)
        index = list.indexOf("-platform");
    if (index == -1)
        return QString();

    ++index;

    if (index >= list.length())
        return QString();

    QString baseMkspecDir = version->versionInfo().value("QMAKE_MKSPECS");    
    if (baseMkspecDir.isEmpty())
        baseMkspecDir = version->versionInfo().value("QT_INSTALL_DATA") + "/mkspecs";

    QString parsedSpec = QDir::cleanPath(list.at(index));
#ifdef Q_OS_WIN
    baseMkspecDir = baseMkspecDir.toLower();
    parsedSpec = parsedSpec.toLower();
#endif
    // if the path is relative it can be
    // relative to the working directory (as found in the Makefiles)
    // or relatively to the mkspec directory
    // if it is the former we need to get the canonical form
    // for the other one we don't need to do anything
    if (QFileInfo(parsedSpec).isRelative()) {
        if(QFileInfo(directory + "/" + parsedSpec).exists()) {
            parsedSpec = QDir::cleanPath(directory + "/" + parsedSpec);
#ifdef Q_OS_WIN
            parsedSpec = parsedSpec.toLower();
#endif
        } else {
            parsedSpec = baseMkspecDir + "/" + parsedSpec;
        }
    }

    QFileInfo f2(parsedSpec);
    while (f2.isSymLink()) {
        parsedSpec = f2.symLinkTarget();
        f2.setFile(parsedSpec);
    }

    if (parsedSpec.startsWith(baseMkspecDir)) {
        parsedSpec = parsedSpec.mid(baseMkspecDir.length() + 1);
    } else {
        QString sourceMkSpecPath = version->sourcePath() + "/mkspecs";
        if (parsedSpec.startsWith(sourceMkSpecPath)) {
            parsedSpec = parsedSpec.mid(sourceMkSpecPath.length() + 1);
        }
    }
#ifdef Q_OS_WIN
    parsedSpec = parsedSpec.toLower();
#endif
    return parsedSpec;

}

BuildConfigWidget *Qt4Project::createConfigWidget()
{
    return new Qt4ProjectConfigWidget(this);
}

QList<BuildConfigWidget*> Qt4Project::subConfigWidgets()
{
    QList<BuildConfigWidget*> subWidgets;
    subWidgets << new Qt4BuildEnvironmentWidget(this);
    return subWidgets;
}

void Qt4Project::collectApplicationProFiles(QList<Qt4ProFileNode *> &list, Qt4ProFileNode *node)
{
    if (node->projectType() == Internal::ApplicationTemplate
        || node->projectType() == Internal::ScriptTemplate) {
        list.append(node);
    }
    foreach (ProjectNode *n, node->subProjectNodes()) {
        Qt4ProFileNode *qt4ProFileNode = qobject_cast<Qt4ProFileNode *>(n);
        if (qt4ProFileNode)
            collectApplicationProFiles(list, qt4ProFileNode);
    }
}

void Qt4Project::foldersAboutToBeAdded(FolderNode *, const QList<FolderNode*> &nodes)
{
    QList<Qt4ProFileNode *> list;
    foreach (FolderNode *node, nodes) {
        Qt4ProFileNode *qt4ProFileNode = qobject_cast<Qt4ProFileNode *>(node);
        if (qt4ProFileNode)
            collectApplicationProFiles(list, qt4ProFileNode);
    }
    m_applicationProFileChange = list;
}

void Qt4Project::checkForNewApplicationProjects()
{
    // Check all new project nodes
    // against all runConfigurations

    foreach (Qt4ProFileNode *qt4proFile, m_applicationProFileChange) {
        bool found = false;
        foreach (RunConfiguration *rc, runConfigurations()) {
            Qt4RunConfiguration *qtrc = qobject_cast<Qt4RunConfiguration *>(rc);
            if (qtrc && qtrc->proFilePath() == qt4proFile->path()) {
                found = true;
                break;
            }
        }
        if (!found) {
            Qt4RunConfiguration *newRc = new Qt4RunConfiguration(this, qt4proFile->path());
            addRunConfiguration(newRc);
            m_isApplication = true;
        }
    }
}

void Qt4Project::checkForDeletedApplicationProjects()
{
    QStringList paths;
    foreach (Qt4ProFileNode * node, applicationProFiles())
        paths.append(node->path());

//    qDebug()<<"Still existing paths :"<<paths;

    QList<Qt4RunConfiguration *> removeList;
    foreach (RunConfiguration *rc, runConfigurations()) {
        if (Qt4RunConfiguration *qt4rc = qobject_cast<Qt4RunConfiguration *>(rc)) {
            if (!paths.contains(qt4rc->proFilePath())) {
                removeList.append(qt4rc);
//                qDebug()<<"Removing runConfiguration for "<<qt4rc->proFilePath();
            }
        }
    }

    bool resetActiveRunConfiguration = false;
    foreach (Qt4RunConfiguration *qt4rc, removeList) {
        removeRunConfiguration(qt4rc);
        if (activeRunConfiguration() == qt4rc)
            resetActiveRunConfiguration = true;
    }

    if (runConfigurations().isEmpty()) {
        RunConfiguration *rc = new ProjectExplorer::CustomExecutableRunConfiguration(this);
        addRunConfiguration(rc);
        setActiveRunConfiguration(rc);
        m_isApplication = false;
    } else if (resetActiveRunConfiguration) {
        setActiveRunConfiguration(runConfigurations().first());
    }
}

QList<Qt4ProFileNode *> Qt4Project::applicationProFiles() const
{
    QList<Qt4ProFileNode *> list;
    collectApplicationProFiles(list, rootProjectNode());
    return list;
}

void Qt4Project::projectTypeChanged(Qt4ProFileNode *node, const Qt4ProjectType oldType, const Qt4ProjectType newType)
{
    if (oldType == Internal::ApplicationTemplate
        || oldType == Internal::ScriptTemplate) {
        // check wheter we need to delete a Run Configuration
        checkForDeletedApplicationProjects();
    }

    if (newType == Internal::ApplicationTemplate
        || newType == Internal::ScriptTemplate) {
        // add a new Run Configuration
        m_applicationProFileChange.clear();
        m_applicationProFileChange.append(node);
        checkForNewApplicationProjects();
    }
}

void Qt4Project::proFileUpdated(Qt4ProjectManager::Internal::Qt4ProFileNode *node)
{
    foreach (RunConfiguration *rc, runConfigurations()) {
        if (Qt4RunConfiguration *qt4rc = qobject_cast<Qt4RunConfiguration *>(rc)) {
            if (qt4rc->proFilePath() == node->path()) {
                qt4rc->invalidateCachedTargetInformation();
            }
        }
    }
}

QMakeStep *Qt4Project::qmakeStep() const
{
    QMakeStep *qs = 0;
    foreach(BuildStep *bs, buildSteps())
        if ((qs = qobject_cast<QMakeStep *>(bs)) != 0)
            return qs;
    return 0;
}

MakeStep *Qt4Project::makeStep() const
{
    MakeStep *qs = 0;
    foreach(BuildStep *bs, buildSteps())
        if ((qs = qobject_cast<MakeStep *>(bs)) != 0)
            return qs;
    return 0;
}

bool Qt4Project::hasSubNode(Qt4PriFileNode *root, const QString &path)
{
    if (root->path() == path)
        return true;
    foreach (FolderNode *fn, root->subFolderNodes()) {
        if (qobject_cast<Qt4ProFileNode *>(fn)) {
            // we aren't interested in pro file nodes
        } else if (Qt4PriFileNode *qt4prifilenode = qobject_cast<Qt4PriFileNode *>(fn)) {
            if (hasSubNode(qt4prifilenode, path))
                return true;
        }
    }
    return false;
}

void Qt4Project::findProFile(const QString& fileName, Qt4ProFileNode *root, QList<Qt4ProFileNode *> &list)
{
    if (hasSubNode(root, fileName))
        list.append(root);

    foreach (FolderNode *fn, root->subFolderNodes())
        if (Qt4ProFileNode *qt4proFileNode =  qobject_cast<Qt4ProFileNode *>(fn))
            findProFile(fileName, qt4proFileNode, list);
}

void Qt4Project::notifyChanged(const QString &name)
{
    if (files(Qt4Project::ExcludeGeneratedFiles).contains(name)) {
        QList<Qt4ProFileNode *> list;
        findProFile(name, rootProjectNode(), list);
        foreach(Qt4ProFileNode *node, list)
            node->update();
    }
}

void Qt4Project::invalidateCachedTargetInformation()
{
    emit targetInformationChanged();
}

void Qt4Project::emitBuildDirectoryChanged()
{
    emit buildDirectoryChanged();
}

// We match -spec and -platfrom separetly
// We ignore -cache, because qmake contained a bug that it didn't
// mention the -cache in the Makefile
// That means changing the -cache option in the additional arguments
// does not automatically rerun qmake. Alas, we could try more
// intelligent matching for -cache, but i guess people rarely
// do use that.

QStringList Qt4Project::removeSpecFromArgumentList(const QStringList &old)
{
    if (!old.contains("-spec") && !old.contains("-platform") && !old.contains("-cache"))
        return old;
    QStringList newList;
    bool ignoreNext = false;
    foreach(const QString &item, old) {
        if (ignoreNext) {
            ignoreNext = false;
        } else if (item == "-spec" || item == "-platform" || item == "-cache") {
            ignoreNext = true;
        } else {
            newList << item;
        }
    }
    return newList;
}

// returns true if both are equal
bool Qt4Project::compareBuildConfigurationToImportFrom(BuildConfiguration *configuration, const QString &workingDirectory)
{
    QMakeStep *qs = qmakeStep();
    if (QDir(workingDirectory).exists(QLatin1String("Makefile")) && qs) {
        QString qmakePath = QtVersionManager::findQMakeBinaryFromMakefile(workingDirectory);
        QtVersion *version = qtVersion(configuration);
        if (version->qmakeCommand() == qmakePath) {
            // same qtversion
            QPair<QtVersion::QmakeBuildConfigs, QStringList> result =
                    QtVersionManager::scanMakeFile(workingDirectory, version->defaultBuildConfig());
            if (QtVersion::QmakeBuildConfig(configuration->value("buildConfiguration").toInt()) == result.first) {
                // The QMake Build Configuration are the same,
                // now compare arguments lists
                // we have to compare without the spec/platform cmd argument
                // and compare that on its own
                QString actualSpec = extractSpecFromArgumentList(qs->value(configuration->name(), "qmakeArgs").toStringList(), workingDirectory, version);
                if (actualSpec.isEmpty()) {
                    // Easy one the user has choosen not to override the settings
                    actualSpec = version->mkspec();
                }

                QString parsedSpec = extractSpecFromArgumentList(result.second, workingDirectory, version);
                QStringList actualArgs = removeSpecFromArgumentList(qs->value(configuration->name(), "qmakeArgs").toStringList());
                QStringList parsedArgs = removeSpecFromArgumentList(result.second);

                if (debug) {
                    qDebug()<<"Actual args:"<<actualArgs;
                    qDebug()<<"Parsed args:"<<parsedArgs;
                    qDebug()<<"Actual spec:"<<actualSpec;
                    qDebug()<<"Parsed spec:"<<parsedSpec;
                }

                if (actualArgs == parsedArgs) {
                    // Specs match exactly
                    if (actualSpec == parsedSpec)
                        return true;
                    // Actual spec is the default one
//                    qDebug()<<"AS vs VS"<<actualSpec<<version->mkspec();
                    if ((actualSpec == version->mkspec() || actualSpec == "default")
                        && (parsedSpec == version->mkspec() || parsedSpec == "default" || parsedSpec.isEmpty()))
                        return true;
                }
            }
        }
    }
    return false;
}


/*!
  Handle special case were a subproject of the qt directory is opened, and
  qt was configured to be built as a shadow build -> also build in the sub-
  project in the correct shadow build directory.
  */

// TODO this function should be called on project first load
// and it should check against all configured qt versions ?
//void Qt4Project::detectQtShadowBuild(const QString &buildConfiguration) const
//{
//    if (project()->activeBuildConfiguration() == buildConfiguration)
//        return;
//
//    const QString currentQtDir = static_cast<Qt4Project *>(project())->qtDir(buildConfiguration);
//    const QString qtSourceDir = static_cast<Qt4Project *>(project())->qtVersion(buildConfiguration)->sourcePath();
//
//    // if the project is a sub-project of Qt and Qt was shadow-built then automatically
//    // adjust the build directory of the sub-project.
//    if (project()->file()->fileName().startsWith(qtSourceDir) && qtSourceDir != currentQtDir) {
//        project()->setValue(buildConfiguration, "useShadowBuild", true);
//        QString buildDir = QFileInfo(project()->file()->fileName()).absolutePath();
//        buildDir.replace(qtSourceDir, currentQtDir);
//        project()->setValue(buildConfiguration, "buildDirectory", buildDir);
//        project()->setValue(buildConfiguration, "autoShadowBuild", true);
//    }
//}