C++ LipstickCompositorWindow类代码示例

void LipstickCompositor::surfaceAboutToBeDestroyed(QWaylandSurface *surface)
{
    Q_ASSERT(surface);
    LipstickCompositorWindow *item = static_cast<LipstickCompositorWindow *>(surface->surfaceItem());
    surface->setSurfaceItem(0);

    if (surface == m_fullscreenSurface)
        setFullscreenSurface(0);

    if (item) {
        int id = item->windowId();

        int gc = ghostWindowCount();
        m_mappedSurfaces.remove(item->windowId());

        emit windowCountChanged();
        emit windowRemoved(item);

        item->m_windowClosed = true;
        item->tryRemove();

        if (gc != ghostWindowCount())
            emit ghostWindowCountChanged();

        windowRemoved(id);

        emit availableWinIdsChanged();
    }
}

void LipstickCompositor::surfaceMapped()
{
    QWaylandSurface *surface = qobject_cast<QWaylandSurface *>(sender());
    //Ignore surface if it's not a window surface
    if (!surface->hasShellSurface())
        return;

    QVariantMap properties = surface->windowProperties();
    QString category = properties.value("CATEGORY").toString();

    if (surface->surfaceItem())
        return;

    // The surface was mapped for the first time
    int id = m_nextWindowId++;
    LipstickCompositorWindow *item = new LipstickCompositorWindow(id, category, surface, contentItem());
    item->setSize(surface->size());
    QObject::connect(item, SIGNAL(destroyed(QObject*)), this, SLOT(windowDestroyed()));
    m_totalWindowCount++;
    m_mappedSurfaces.insert(id, item);

    item->setTouchEventsEnabled(true);

    emit windowCountChanged();
    emit windowAdded(item);

    windowAdded(id);

    emit availableWinIdsChanged();
}

void LipstickCompositor::surfaceSizeChanged()
{
    QWaylandSurface *surface = qobject_cast<QWaylandSurface *>(sender());

    LipstickCompositorWindow *window = static_cast<LipstickCompositorWindow *>(surface->surfaceItem());
    if (window)
        window->setSize(surface->size());
}

// used by mapplauncherd to bring a binary to the front
void WindowModel::launchProcess(const QString &binaryName)
{
    LipstickCompositor *c = LipstickCompositor::instance();
    if (!m_complete || !c)
        return;

    QStringList binaryParts = binaryName.split(QRegExp(QRegExp("\\s+")));

    for (QHash<int, LipstickCompositorWindow *>::ConstIterator iter = c->m_mappedSurfaces.begin();
        iter != c->m_mappedSurfaces.end(); ++iter) {

        LipstickCompositorWindow *win = iter.value();
        if (!approveWindow(win))
            continue;

        QString pidFile = QString::fromLatin1("/proc/%1/cmdline").arg(win->processId());
        QFile f(pidFile);
        if (!f.open(QIODevice::ReadOnly)) {
            qWarning() << Q_FUNC_INFO << "Cannot open cmdline for " << pidFile;
            continue;
        }

        // Command line arguments are split by '\0' in /proc/*/cmdline
        QStringList proc;
        QByteArray data = f.readAll();
        Q_FOREACH (const QByteArray &array, data.split('\0')) {
            QString part = QString::fromUtf8(array);
            if (part.size() > 0) {
                proc << part;
            }
        }

        // Cannot match, as the cmdline has less arguments than then binary part
        if (binaryParts.size() > proc.size()) {
            continue;
        }

        bool match = true;

        // All parts of binaryName must be contained in this order in the
        // process command line to match the given process
        for (int i=0; i<binaryParts.count(); i++) {
            if (proc[i] != binaryParts[i]) {
                match = false;
                break;
            }
        }

        if (match) {
            win->surface()->raiseRequested();
            break;
        }
    }
}

void LipstickCompositor::surfaceTitleChanged()
{
    QWaylandSurface *surface = qobject_cast<QWaylandSurface *>(sender());
    LipstickCompositorWindow *window = static_cast<LipstickCompositorWindow *>(surface->surfaceItem());

    if (window) {
        emit window->titleChanged();

        int windowId = window->windowId();

        for (int ii = 0; ii < m_windowModels.count(); ++ii)
            m_windowModels.at(ii)->titleChanged(windowId);
    }
}

void LipstickCompositor::windowPropertyChanged(const QString &property)
{
    QWaylandSurface *surface = qobject_cast<QWaylandSurface *>(sender());

    if (debug())
        qDebug() << "Window properties changed:" << surface << surface->windowProperties();

    if (property == QLatin1String("MOUSE_REGION")) {
        LipstickCompositorWindow *window = static_cast<LipstickCompositorWindow *>(surface->surfaceItem());
        if (window)
            window->refreshMouseRegion();
    } else if (property == QLatin1String("GRABBED_KEYS")) {
        LipstickCompositorWindow *window = static_cast<LipstickCompositorWindow *>(surface->surfaceItem());
        if (window)
            window->refreshGrabbedKeys();
    }
}

QVariant WindowModel::data(const QModelIndex &index, int role) const
{
    int idx = index.row();
    if (idx < 0 || idx >= m_items.count())
        return QVariant();

    LipstickCompositor *c = LipstickCompositor::instance();
    if (role == Qt::UserRole + 1) {
        return m_items.at(idx);
    } else if (role == Qt::UserRole + 2) {
        QWaylandSurface *s = c->surfaceForId(m_items.at(idx));
        return s?s->processId():0;
    } else if (role == Qt::UserRole + 3) {
        LipstickCompositorWindow *w = static_cast<LipstickCompositorWindow *>(c->windowForId(m_items.at(idx)));
        return w->title();
    } else {
        return QVariant();
    }
}

void HomeApplication::setUpdatesEnabled(bool enabled)
{
    if (updatesEnabled != enabled) {
        updatesEnabled = enabled;

        if (!updatesEnabled) {
            LipstickCompositorWindow *topmostWindow = qobject_cast<LipstickCompositorWindow *>(LipstickCompositor::instance()->windowForId(LipstickCompositor::instance()->topmostWindowId()));
            if (topmostWindow != 0 && topmostWindow->hasFocus()) {
                onUpdatesDisabledUnfocusedWindowId = topmostWindow->windowId();
                LipstickCompositor::instance()->clearKeyboardFocus();
            }
            LipstickCompositor::instance()->hide();
            QGuiApplication::platformNativeInterface()->nativeResourceForIntegration("DisplayOff");
        } else {
            QGuiApplication::platformNativeInterface()->nativeResourceForIntegration("DisplayOn");
            emit LipstickCompositor::instance()->displayAboutToBeOn();
            LipstickCompositor::instance()->showFullScreen();
            if (onUpdatesDisabledUnfocusedWindowId > 0) {
                if (!screenLock->isScreenLocked()) {
                    LipstickCompositorWindow *topmostWindow = qobject_cast<LipstickCompositorWindow *>(LipstickCompositor::instance()->windowForId(LipstickCompositor::instance()->topmostWindowId()));
                    if (topmostWindow != 0 && topmostWindow->windowId() == onUpdatesDisabledUnfocusedWindowId) {
                        topmostWindow->takeFocus();
                    }
                }
                onUpdatesDisabledUnfocusedWindowId = 0;
            }
        }
    }
}

QWaylandSurface *LipstickCompositor::surfaceForId(int id) const
{
    LipstickCompositorWindow *window = m_mappedSurfaces.value(id, 0);
    return window?window->surface():0;
}

void LipstickCompositor::closeClientForWindowId(int id)
{
    LipstickCompositorWindow *window = m_mappedSurfaces.value(id, 0);
    if (window && window->surface())
        destroyClientForSurface(window->surface());
}