qt-creator/src/plugins/qtsupport/qtkitinformation.cpp

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#include "qtkitinformation.h"

#include "qtkitconfigwidget.h"
#include "qtsupportconstants.h"
#include "qtversionmanager.h"
#include "qtparser.h"

#include <projectexplorer/kitinformationmacroexpander.h>

#include <utils/buildablehelperlibrary.h>
#include <utils/macroexpander.h>
#include <utils/qtcassert.h>

using namespace ProjectExplorer;
using namespace Utils;

namespace QtSupport {

QtKitInformation::QtKitInformation()
{
    setObjectName(QLatin1String("QtKitInformation"));
    setId(QtKitInformation::id());
    setPriority(26000);

    connect(ProjectExplorer::KitManager::instance(), SIGNAL(kitsLoaded()),
            this, SLOT(kitsWereLoaded()));
}

QVariant QtKitInformation::defaultValue(ProjectExplorer::Kit *k) const
{
    Q_UNUSED(k);

    // find "Qt in PATH":
    Utils::FileName qmake = Utils::BuildableHelperLibrary::findSystemQt(Utils::Environment::systemEnvironment());

    if (qmake.isEmpty())
        return -1;

    QList<BaseQtVersion *> versionList = QtVersionManager::versions();
    BaseQtVersion *fallBack = 0;
    foreach (BaseQtVersion *v, versionList) {
        if (qmake == v->qmakeCommand())
            return v->uniqueId();
        if (v->type() == QLatin1String(QtSupport::Constants::DESKTOPQT) && !fallBack)
            fallBack = v;
    }
    if (fallBack)
        return fallBack->uniqueId();

    return -1;
}

QList<ProjectExplorer::Task> QtKitInformation::validate(const ProjectExplorer::Kit *k) const
{
    QList<ProjectExplorer::Task> result;
    QTC_ASSERT(QtVersionManager::isLoaded(), return result);
    BaseQtVersion *version = qtVersion(k);
    if (!version)
        return result;
    return version->validateKit(k);
}

void QtKitInformation::fix(ProjectExplorer::Kit *k)
{
    QTC_ASSERT(QtVersionManager::isLoaded(), return);
    BaseQtVersion *version = qtVersion(k);
    if (!version && qtVersionId(k) >= 0) {
        qWarning("Qt version is no longer known, removing from kit \"%s\".", qPrintable(k->displayName()));
        setQtVersionId(k, -1);
    }
}

ProjectExplorer::KitConfigWidget *QtKitInformation::createConfigWidget(ProjectExplorer::Kit *k) const
{
    return new Internal::QtKitConfigWidget(k, this);
}

QString QtKitInformation::displayNamePostfix(const ProjectExplorer::Kit *k) const
{
    BaseQtVersion *version = qtVersion(k);
    return version ? version->displayName() : QString();
}

ProjectExplorer::KitInformation::ItemList
QtKitInformation::toUserOutput(const ProjectExplorer::Kit *k) const
{
    BaseQtVersion *version = qtVersion(k);
    return ItemList() << qMakePair(tr("Qt version"), version ? version->displayName() : tr("None"));
}

void QtKitInformation::addToEnvironment(const ProjectExplorer::Kit *k, Utils::Environment &env) const
{
    BaseQtVersion *version = qtVersion(k);
    if (version)
        version->addToEnvironment(k, env);
}

ProjectExplorer::IOutputParser *QtKitInformation::createOutputParser(const ProjectExplorer::Kit *k) const
{
    if (qtVersion(k))
        return new QtParser;
    return 0;
}

bool QtKitInformation::resolveMacro(const ProjectExplorer::Kit *kit, const QString &name, QString *ret) const
{
    if (BaseQtVersion *version = qtVersion(kit)) {
        MacroExpander *expander = version->macroExpander();
        if (expander->resolveMacro(name, ret))
            return true;

        // FIXME: Handle in version expander once we can detect loops.
        if (name == QLatin1String("Qt:name")) {
            *ret = version->displayName();
            return true;
        }
    }

    if (Utils::globalMacroExpander()->resolveMacro(name, ret))
        return true;

    return false;
}

Core::Id QtKitInformation::id()
{
    return "QtSupport.QtInformation";
}

int QtKitInformation::qtVersionId(const ProjectExplorer::Kit *k)
{
    if (!k)
        return -1;

    int id = -1;
    QVariant data = k->value(QtKitInformation::id(), -1);
    if (data.type() == QVariant::Int) {
        bool ok;
        id = data.toInt(&ok);
        if (!ok)
            id = -1;
    } else {
        QString source = data.toString();
        foreach (BaseQtVersion *v, QtVersionManager::versions()) {
            if (v->autodetectionSource() != source)
                continue;
            id = v->uniqueId();
            break;
        }
    }
    return id;
}

void QtKitInformation::setQtVersionId(ProjectExplorer::Kit *k, const int id)
{
    k->setValue(QtKitInformation::id(), id);
}

BaseQtVersion *QtKitInformation::qtVersion(const ProjectExplorer::Kit *k)
{
    return QtVersionManager::version(qtVersionId(k));
}

void QtKitInformation::setQtVersion(ProjectExplorer::Kit *k, const BaseQtVersion *v)
{
    if (!v)
        setQtVersionId(k, -1);
    else
        setQtVersionId(k, v->uniqueId());
}

void QtKitInformation::qtVersionsChanged(const QList<int> &addedIds,
                                         const QList<int> &removedIds,
                                         const QList<int> &changedIds)
{
    Q_UNUSED(addedIds);
    Q_UNUSED(removedIds);
    foreach (ProjectExplorer::Kit *k, ProjectExplorer::KitManager::kits()) {
        if (changedIds.contains(qtVersionId(k))) {
            k->validate(); // Qt version may have become (in)valid
            notifyAboutUpdate(k);
        }
    }
}

void QtKitInformation::kitsWereLoaded()
{
    foreach (ProjectExplorer::Kit *k, ProjectExplorer::KitManager::kits())
        fix(k);

    connect(QtVersionManager::instance(), SIGNAL(qtVersionsChanged(QList<int>,QList<int>,QList<int>)),
            this, SLOT(qtVersionsChanged(QList<int>,QList<int>,QList<int>)));
}

KitMatcher QtKitInformation::platformMatcher(const QString &platform)
{
    return std::function<bool(const Kit *)>([platform](const Kit *kit) -> bool {
        BaseQtVersion *version = QtKitInformation::qtVersion(kit);
        return version && version->platformName() == platform;
    });
}

KitMatcher QtKitInformation::qtVersionMatcher(const Core::FeatureSet &required,
    const QtVersionNumber &min, const QtVersionNumber &max)
{
    return std::function<bool(const Kit *)>([required, min, max](const Kit *kit) -> bool {
        BaseQtVersion *version = QtKitInformation::qtVersion(kit);
        if (!version)
            return false;
        QtVersionNumber current = version->qtVersion();
        if (min.majorVersion > -1 && current < min)
            return false;
        if (max.majorVersion > -1 && current > max)
            return false;
        return version->availableFeatures().contains(required);
    });
}

QSet<QString> QtKitInformation::availablePlatforms(const Kit *k) const
{
    QSet<QString> result;
    BaseQtVersion *version = QtKitInformation::qtVersion(k);
    if (version) {
        QString platform = version->platformName();
        if (!platform.isEmpty())
            result.insert(version->platformName());
    }
    return result;
}

QString QtKitInformation::displayNameForPlatform(const Kit *k, const QString &platform) const
{
    BaseQtVersion *version = QtKitInformation::qtVersion(k);
    if (version && version->platformName() == platform)
        return version->platformDisplayName();
    return QString();
}

Core::FeatureSet QtKitInformation::availableFeatures(const Kit *k) const
{
    BaseQtVersion *version = QtKitInformation::qtVersion(k);
    return version ? version->availableFeatures() : Core::FeatureSet();
}

} // namespace QtSupport