void UIHostNetworkManagerWidget::loadHostNetwork(const CHostNetworkInterface &comInterface, UIDataHostNetwork &data)
{
    /* Gather interface settings: */
    if (comInterface.isOk())
        data.m_interface.m_strName = comInterface.GetName();
    if (comInterface.isOk())
        data.m_interface.m_fDHCPEnabled = comInterface.GetDHCPEnabled();
    if (comInterface.isOk())
        data.m_interface.m_strAddress = comInterface.GetIPAddress();
    if (comInterface.isOk())
        data.m_interface.m_strMask = comInterface.GetNetworkMask();
    if (comInterface.isOk())
        data.m_interface.m_fSupportedIPv6 = comInterface.GetIPV6Supported();
    if (comInterface.isOk())
        data.m_interface.m_strAddress6 = comInterface.GetIPV6Address();
    if (comInterface.isOk())
        data.m_interface.m_strPrefixLength6 = QString::number(comInterface.GetIPV6NetworkMaskPrefixLength());

    /* Get host interface network name for further activities: */
    QString strNetworkName;
    if (comInterface.isOk())
        strNetworkName = comInterface.GetNetworkName();

    /* Show error message if necessary: */
    if (!comInterface.isOk())
        msgCenter().cannotAcquireHostNetworkInterfaceParameter(comInterface, this);

    /* Get VBox for further activities: */
    CVirtualBox comVBox = vboxGlobal().virtualBox();

    /* Find corresponding DHCP server (create if necessary): */
    CDHCPServer comServer = comVBox.FindDHCPServerByNetworkName(strNetworkName);
    if (!comVBox.isOk() || comServer.isNull())
        comServer = comVBox.CreateDHCPServer(strNetworkName);

    /* Show error message if necessary: */
    if (!comVBox.isOk() || comServer.isNull())
        msgCenter().cannotCreateDHCPServer(comVBox, strNetworkName, this);
    else
    {
        /* Gather DHCP server settings: */
        if (comServer.isOk())
            data.m_dhcpserver.m_fEnabled = comServer.GetEnabled();
        if (comServer.isOk())
            data.m_dhcpserver.m_strAddress = comServer.GetIPAddress();
        if (comServer.isOk())
            data.m_dhcpserver.m_strMask = comServer.GetNetworkMask();
        if (comServer.isOk())
            data.m_dhcpserver.m_strLowerAddress = comServer.GetLowerIP();
        if (comServer.isOk())
            data.m_dhcpserver.m_strUpperAddress = comServer.GetUpperIP();

        /* Show error message if necessary: */
        if (!comServer.isOk())
            return msgCenter().cannotAcquireDHCPServerParameter(comServer, this);
    }
}
void UIHostNetworkManagerWidget::sltCreateHostNetwork()
{
    /* Get host for further activities: */
    CHost comHost = vboxGlobal().host();

    /* Create interface: */
    CHostNetworkInterface comInterface;
    CProgress progress = comHost.CreateHostOnlyNetworkInterface(comInterface);

    /* Show error message if necessary: */
    if (!comHost.isOk() || progress.isNull())
        msgCenter().cannotCreateHostNetworkInterface(comHost, this);
    else
    {
        /* Show interface creation progress: */
        msgCenter().showModalProgressDialog(progress, UIHostNetworkManager::tr("Adding network..."), ":/progress_network_interface_90px.png", this, 0);

        /* Show error message if necessary: */
        if (!progress.isOk() || progress.GetResultCode() != 0)
            msgCenter().cannotCreateHostNetworkInterface(progress, this);
        else
        {
            /* Get network name for further activities: */
            const QString strNetworkName = comInterface.GetNetworkName();

            /* Show error message if necessary: */
            if (!comInterface.isOk())
                msgCenter().cannotAcquireHostNetworkInterfaceParameter(comInterface, this);
            else
            {
                /* Get VBox for further activities: */
                CVirtualBox comVBox = vboxGlobal().virtualBox();

                /* Find corresponding DHCP server (create if necessary): */
                CDHCPServer comServer = comVBox.FindDHCPServerByNetworkName(strNetworkName);
                if (!comVBox.isOk() || comServer.isNull())
                    comServer = comVBox.CreateDHCPServer(strNetworkName);

                /* Show error message if necessary: */
                if (!comVBox.isOk() || comServer.isNull())
                    msgCenter().cannotCreateDHCPServer(comVBox, strNetworkName, this);
            }

            /* Add interface to the tree: */
            UIDataHostNetwork data;
            loadHostNetwork(comInterface, data);
            createItemForNetworkHost(data, true);

            /* Adjust tree-widget: */
            sltAdjustTreeWidget();
        }
    }
}
Esempio n. 3
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bool UIWizardCloneVD::copyVirtualDisk()
{
    /* Gather attributes: */
    CMedium sourceVirtualDisk = field("sourceVirtualDisk").value<CMedium>();
    CMediumFormat mediumFormat = field("mediumFormat").value<CMediumFormat>();
    qulonglong uVariant = field("mediumVariant").toULongLong();
    QString strMediumPath = field("mediumPath").toString();
    qulonglong uSize = field("mediumSize").toULongLong();
    /* Check attributes: */
    AssertReturn(!strMediumPath.isNull(), false);
    AssertReturn(uSize > 0, false);

    /* Get VBox object: */
    CVirtualBox vbox = vboxGlobal().virtualBox();

    /* Create new virtual hard-disk: */
    CMedium virtualDisk = vbox.CreateHardDisk(mediumFormat.GetName(), strMediumPath);
    if (!vbox.isOk())
    {
        msgCenter().cannotCreateHardDiskStorage(vbox, strMediumPath, this);
        return false;
    }

    /* Compose medium-variant: */
    QVector<KMediumVariant> variants(sizeof(qulonglong)*8);
    for (int i = 0; i < variants.size(); ++i)
    {
        qulonglong temp = uVariant;
        temp &= 1<<i;
        variants[i] = (KMediumVariant)temp;
    }

    /* Copy existing virtual-disk to the new virtual-disk: */
    CProgress progress = sourceVirtualDisk.CloneTo(virtualDisk, variants, CMedium());
    if (!sourceVirtualDisk.isOk())
    {
        msgCenter().cannotCreateHardDiskStorage(sourceVirtualDisk, strMediumPath, this);
        return false;
    }

    /* Show creation progress: */
    msgCenter().showModalProgressDialog(progress, windowTitle(), ":/progress_media_create_90px.png", this);
    if (progress.GetCanceled())
        return false;
    if (!progress.isOk() || progress.GetResultCode() != 0)
    {
        msgCenter().cannotCreateHardDiskStorage(progress, strMediumPath, this);
        return false;
    }

    /* Remember created virtual-disk: */
    m_virtualDisk = virtualDisk;

    /* Just close the created medium, it is not necessary yet: */
    m_virtualDisk.Close();

    return true;
}
Esempio n. 4
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bool UIWizardNewVD::createVirtualDisk()
{
    /* Gather attributes: */
    CMediumFormat mediumFormat = field("mediumFormat").value<CMediumFormat>();
    qulonglong uVariant = field("mediumVariant").toULongLong();
    QString strMediumPath = field("mediumPath").toString();
    qulonglong uSize = field("mediumSize").toULongLong();
    /* Check attributes: */
    AssertReturn(!strMediumPath.isNull(), false);
    AssertReturn(uSize > 0, false);

    /* Get VBox object: */
    CVirtualBox vbox = vboxGlobal().virtualBox();

    /* Create new virtual hard-disk: */
    CMedium virtualDisk = vbox.CreateMedium(mediumFormat.GetName(), strMediumPath, KAccessMode_ReadWrite, KDeviceType_HardDisk);
    if (!vbox.isOk())
    {
        msgCenter().cannotCreateHardDiskStorage(vbox, strMediumPath, this);
        return false;
    }

    /* Compose medium-variant: */
    QVector<KMediumVariant> variants(sizeof(qulonglong)*8);
    for (int i = 0; i < variants.size(); ++i)
    {
        qulonglong temp = uVariant;
        temp &= UINT64_C(1)<<i;
        variants[i] = (KMediumVariant)temp;
    }

    /* Create base storage for the new virtual-disk: */
    CProgress progress = virtualDisk.CreateBaseStorage(uSize, variants);
    if (!virtualDisk.isOk())
    {
        msgCenter().cannotCreateHardDiskStorage(virtualDisk, strMediumPath, this);
        return false;
    }

    /* Show creation progress: */
    msgCenter().showModalProgressDialog(progress, windowTitle(), ":/progress_media_create_90px.png", this);
    if (progress.GetCanceled())
        return false;
    if (!progress.isOk() || progress.GetResultCode() != 0)
    {
        msgCenter().cannotCreateHardDiskStorage(progress, strMediumPath, this);
        return false;
    }

    /* Remember created virtual-disk: */
    m_virtualDisk = virtualDisk;

    /* Inform VBoxGlobal about it: */
    vboxGlobal().createMedium(UIMedium(m_virtualDisk, UIMediumType_HardDisk, KMediumState_Created));

    return true;
}
/**
 *  Saves the settings to the (global) extra data area of VirtualBox.
 *
 *  If an error occurs while accessing extra data area, the method immediately
 *  returns and the vbox argument will hold all error info (and therefore
 *  vbox.isOk() will be false to indicate this).
 */
void VBoxGlobalSettings::save (CVirtualBox &vbox) const
{
    for (size_t i = 0; i < SIZEOF_ARRAY (gPropertyMap); i++)
    {
        QVariant value = property (gPropertyMap [i].name);
        Assert (value.isValid() && value.canConvert (QVariant::String));

        vbox.SetExtraData (gPropertyMap [i].publicName, value.toString());
        if (!vbox.isOk())
            return;
    }
}
Esempio n. 6
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bool UIWizardNewVD::createVirtualDisk()
{
    /* Gather attributes: */
    CMediumFormat mediumFormat = field("mediumFormat").value<CMediumFormat>();
    qulonglong uVariant = field("mediumVariant").toULongLong();
    QString strMediumPath = field("mediumPath").toString();
    qulonglong uSize = field("mediumSize").toULongLong();
    /* Check attributes: */
    AssertReturn(!strMediumPath.isNull(), false);
    AssertReturn(uSize > 0, false);

    /* Get vbox object: */
    CVirtualBox vbox = vboxGlobal().virtualBox();

    /* Create new virtual disk: */
    CMedium virtualDisk = vbox.CreateHardDisk(mediumFormat.GetName(), strMediumPath);
    CProgress progress;
    if (!vbox.isOk())
    {
        msgCenter().cannotCreateHardDiskStorage(this, vbox, strMediumPath, virtualDisk, progress);
        return false;
    }

    /* Create base storage for the new hard disk: */
    progress = virtualDisk.CreateBaseStorage(uSize, uVariant);
    if (!virtualDisk.isOk())
    {
        msgCenter().cannotCreateHardDiskStorage(this, vbox, strMediumPath, virtualDisk, progress);
        return false;
    }

    /* Show creation progress: */
    msgCenter().showModalProgressDialog(progress, windowTitle(), ":/progress_media_create_90px.png", this, true);
    if (progress.GetCanceled())
        return false;
    if (!progress.isOk() || progress.GetResultCode() != 0)
    {
        msgCenter().cannotCreateHardDiskStorage(this, vbox, strMediumPath, virtualDisk, progress);
        return false;
    }

    /* Remember created virtual-disk: */
    m_virtualDisk = virtualDisk;

    /* Inform everybody there is a new medium: */
    vboxGlobal().addMedium(UIMedium(m_virtualDisk, UIMediumType_HardDisk, KMediumState_Created));

    return true;
}
/**
 *  Loads the settings from the (global) extra data area of VirtualBox.
 *
 *  If an error occurs while accessing extra data area, the method immediately
 *  returns and the vbox argument will hold all error info (and therefore
 *  vbox.isOk() will be false to indicate this).
 *
 *  If an error occurs while setting the value of some property, the method
 *  also returns immediately. #operator !() will return false in this case
 *  and #lastError() will contain the error message.
 *
 *  @note   This method emits the #propertyChanged() signal.
 */
void VBoxGlobalSettings::load (CVirtualBox &vbox)
{
    for (size_t i = 0; i < SIZEOF_ARRAY(gPropertyMap); i++)
    {
        QString value = vbox.GetExtraData(gPropertyMap[i].publicName);
        if (!vbox.isOk())
            return;
        /* Check for the host key upgrade path. */
        if (   value.isEmpty()
            && QString(gPropertyMap[i].publicName) == "GUI/Input/HostKeyCombination")
            value = vbox.GetExtraData("GUI/Input/HostKey");
        /* Empty value means the key is absent. It is OK, the default will
         * apply. */
        if (value.isEmpty())
            continue;
        /* Try to set the property validating it against rx. */
        setPropertyPrivate(i, value);
        if (!(*this))
            break;
    }
}
Esempio n. 8
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bool UIWizardNewVM::createVM()
{
    /* Get VBox object: */
    CVirtualBox vbox = vboxGlobal().virtualBox();

    /* OS type: */
    CGuestOSType type = field("type").value<CGuestOSType>();
    QString strTypeId = type.GetId();

    /* Create virtual machine: */
    if (m_machine.isNull())
    {
        QVector<QString> groups;
        if (!m_strGroup.isEmpty())
            groups << m_strGroup;
        m_machine = vbox.CreateMachine(field("machineFilePath").toString(),
                                       field("machineBaseName").toString(),
                                       groups, strTypeId, QString());
        if (!vbox.isOk())
        {
            msgCenter().cannotCreateMachine(vbox, this);
            return false;
        }

        /* The First RUN Wizard is to be shown:
         * 1. if we don't attach any virtual hard-drive
         * 2. or attach a new (empty) one.
         * Usually we are assigning extra-data values through UIExtraDataManager,
         * but in that special case VM was not registered yet, so UIExtraDataManager is unaware of it. */
        if (field("virtualDiskId").toString().isNull() || !field("virtualDisk").value<CMedium>().isNull())
            m_machine.SetExtraData(GUI_FirstRun, "yes");
    }

    /* RAM size: */
    m_machine.SetMemorySize(field("ram").toInt());

    /* VRAM size - select maximum between recommended and minimum for fullscreen: */
    m_machine.SetVRAMSize(qMax(type.GetRecommendedVRAM(), (ULONG)(VBoxGlobal::requiredVideoMemory(strTypeId) / _1M)));

    /* Selecting recommended chipset type: */
    m_machine.SetChipsetType(type.GetRecommendedChipset());

    /* Selecting recommended Audio Controller: */
    m_machine.GetAudioAdapter().SetAudioController(type.GetRecommendedAudioController());
    /* And the Audio Codec: */
    m_machine.GetAudioAdapter().SetAudioCodec(type.GetRecommendedAudioCodec());
    /* Enabling audio by default: */
    m_machine.GetAudioAdapter().SetEnabled(true);

    /* Enable the OHCI and EHCI controller by default for new VMs. (new in 2.2): */
    CUSBDeviceFilters usbDeviceFilters = m_machine.GetUSBDeviceFilters();
    bool fOhciEnabled = false;
    if (!usbDeviceFilters.isNull() && type.GetRecommendedUSB3() && m_machine.GetUSBProxyAvailable())
    {
        /* USB 3.0 is only available if the proper ExtPack is installed. */
        CExtPackManager manager = vboxGlobal().virtualBox().GetExtensionPackManager();
        if (manager.IsExtPackUsable(GUI_ExtPackName))
        {
            m_machine.AddUSBController("XHCI", KUSBControllerType_XHCI);
            /* xHci includes OHCI */
            fOhciEnabled = true;
        }
    }
    if (   !fOhciEnabled
        && !usbDeviceFilters.isNull() && type.GetRecommendedUSB() && m_machine.GetUSBProxyAvailable())
    {
        m_machine.AddUSBController("OHCI", KUSBControllerType_OHCI);
        fOhciEnabled = true;
        /* USB 2.0 is only available if the proper ExtPack is installed.
         * Note. Configuring EHCI here and providing messages about
         * the missing extpack isn't exactly clean, but it is a
         * necessary evil to patch over legacy compatability issues
         * introduced by the new distribution model. */
        CExtPackManager manager = vboxGlobal().virtualBox().GetExtensionPackManager();
        if (manager.IsExtPackUsable(GUI_ExtPackName))
            m_machine.AddUSBController("EHCI", KUSBControllerType_EHCI);
    }

    /* Create a floppy controller if recommended: */
    QString strFloppyName = getNextControllerName(KStorageBus_Floppy);
    if (type.GetRecommendedFloppy())
    {
        m_machine.AddStorageController(strFloppyName, KStorageBus_Floppy);
        CStorageController flpCtr = m_machine.GetStorageControllerByName(strFloppyName);
        flpCtr.SetControllerType(KStorageControllerType_I82078);
    }

    /* Create recommended DVD storage controller: */
    KStorageBus strDVDBus = type.GetRecommendedDVDStorageBus();
    QString strDVDName = getNextControllerName(strDVDBus);
    m_machine.AddStorageController(strDVDName, strDVDBus);

    /* Set recommended DVD storage controller type: */
    CStorageController dvdCtr = m_machine.GetStorageControllerByName(strDVDName);
    KStorageControllerType dvdStorageControllerType = type.GetRecommendedDVDStorageController();
    dvdCtr.SetControllerType(dvdStorageControllerType);

    /* Create recommended HD storage controller if it's not the same as the DVD controller: */
    KStorageBus ctrHDBus = type.GetRecommendedHDStorageBus();
    KStorageControllerType hdStorageControllerType = type.GetRecommendedHDStorageController();
    CStorageController hdCtr;
    QString strHDName;
    if (ctrHDBus != strDVDBus || hdStorageControllerType != dvdStorageControllerType)
    {
        strHDName = getNextControllerName(ctrHDBus);
        m_machine.AddStorageController(strHDName, ctrHDBus);
        hdCtr = m_machine.GetStorageControllerByName(strHDName);
        hdCtr.SetControllerType(hdStorageControllerType);
    }
    else
    {
        /* The HD controller is the same as DVD: */
        hdCtr = dvdCtr;
        strHDName = strDVDName;
    }

    /* Liomit the AHCI port count if it's used because windows has trouble with
       too many ports and other guest (OS X in particular) may take extra long
       to boot: */
    if (hdStorageControllerType == KStorageControllerType_IntelAhci)
        hdCtr.SetPortCount(1 + (dvdStorageControllerType == KStorageControllerType_IntelAhci));
    else if (dvdStorageControllerType == KStorageControllerType_IntelAhci)
        dvdCtr.SetPortCount(1);

    /* Turn on PAE, if recommended: */
    m_machine.SetCPUProperty(KCPUPropertyType_PAE, type.GetRecommendedPAE());

    /* Set the recommended triple fault behavior: */
    m_machine.SetCPUProperty(KCPUPropertyType_TripleFaultReset, type.GetRecommendedTFReset());

    /* Set recommended firmware type: */
    KFirmwareType fwType = type.GetRecommendedFirmware();
    m_machine.SetFirmwareType(fwType);

    /* Set recommended human interface device types: */
    if (type.GetRecommendedUSBHID())
    {
        m_machine.SetKeyboardHIDType(KKeyboardHIDType_USBKeyboard);
        m_machine.SetPointingHIDType(KPointingHIDType_USBMouse);
        if (!fOhciEnabled && !usbDeviceFilters.isNull())
            m_machine.AddUSBController("OHCI", KUSBControllerType_OHCI);
    }

    if (type.GetRecommendedUSBTablet())
    {
        m_machine.SetPointingHIDType(KPointingHIDType_USBTablet);
        if (!fOhciEnabled && !usbDeviceFilters.isNull())
            m_machine.AddUSBController("OHCI", KUSBControllerType_OHCI);
    }

    /* Set HPET flag: */
    m_machine.SetHPETEnabled(type.GetRecommendedHPET());

    /* Set UTC flags: */
    m_machine.SetRTCUseUTC(type.GetRecommendedRTCUseUTC());

    /* Set graphic bits: */
    if (type.GetRecommended2DVideoAcceleration())
        m_machine.SetAccelerate2DVideoEnabled(type.GetRecommended2DVideoAcceleration());

    if (type.GetRecommended3DAcceleration())
        m_machine.SetAccelerate3DEnabled(type.GetRecommended3DAcceleration());

    /* Register the VM prior to attaching hard disks: */
    vbox.RegisterMachine(m_machine);
    if (!vbox.isOk())
    {
        msgCenter().cannotRegisterMachine(vbox, m_machine.GetName(), this);
        return false;
    }

    /* Attach default devices: */
    {
        bool success = false;
        QString strMachineId = m_machine.GetId();
        CSession session = vboxGlobal().openSession(strMachineId);
        if (!session.isNull())
        {
            CMachine machine = session.GetMachine();

            QString strId = field("virtualDiskId").toString();
            /* Boot virtual hard drive: */
            if (!strId.isNull())
            {
                UIMedium vmedium = vboxGlobal().medium(strId);
                CMedium medium = vmedium.medium();              // @todo r=dj can this be cached somewhere?
                machine.AttachDevice(strHDName, 0, 0, KDeviceType_HardDisk, medium);
                if (!machine.isOk())
                    msgCenter().cannotAttachDevice(machine, UIMediumType_HardDisk, field("virtualDiskLocation").toString(),
                                                   StorageSlot(ctrHDBus, 0, 0), this);
            }

            /* Attach empty optical drive: */
            machine.AttachDevice(strDVDName, 1, 0, KDeviceType_DVD, CMedium());
            if (!machine.isOk())
                msgCenter().cannotAttachDevice(machine, UIMediumType_DVD, QString(), StorageSlot(strDVDBus, 1, 0), this);


            /* Attach an empty floppy drive if recommended */
            if (type.GetRecommendedFloppy()) {
                machine.AttachDevice(strFloppyName, 0, 0, KDeviceType_Floppy, CMedium());
                if (!machine.isOk())
                    msgCenter().cannotAttachDevice(machine, UIMediumType_Floppy, QString(),
                                                   StorageSlot(KStorageBus_Floppy, 0, 0), this);
            }

            if (machine.isOk())
            {
                machine.SaveSettings();
                if (machine.isOk())
                    success = true;
                else
                    msgCenter().cannotSaveMachineSettings(machine, this);
            }

            session.UnlockMachine();
        }
        if (!success)
        {
            /* Unregister on failure */
            QVector<CMedium> aMedia = m_machine.Unregister(KCleanupMode_UnregisterOnly);   //  @todo replace with DetachAllReturnHardDisksOnly once a progress dialog is in place below
            if (vbox.isOk())
            {
                CProgress progress = m_machine.DeleteConfig(aMedia);
                progress.WaitForCompletion(-1);         // @todo do this nicely with a progress dialog, this can delete lots of files
            }
            return false;
        }
    }

    /* Ensure we don't try to delete a newly created virtual hard drive on success: */
    if (!field("virtualDisk").value<CMedium>().isNull())
        field("virtualDisk").value<CMedium>().detach();

    return true;
}
Esempio n. 9
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bool UIWizardCloneVM::cloneVM()
{
    /* Get clone name: */
    QString strName = field("cloneName").toString();
    /* Should we reinit mac status? */
    bool fReinitMACs = field("reinitMACs").toBool();
    /* Should we create linked clone? */
    bool fLinked = field("linkedClone").toBool();
    /* Get clone mode: */
    KCloneMode cloneMode = (mode() == UIWizardMode_Basic && page(Page3)) ||
                           (mode() == UIWizardMode_Expert && page(PageExpert)) ?
                           field("cloneMode").value<KCloneMode>() : KCloneMode_MachineState;

    /* Get VBox object: */
    CVirtualBox vbox = vboxGlobal().virtualBox();

    /* Prepare machine for cloning: */
    CMachine srcMachine = m_machine;

    /* If the user like to create a linked clone from the current machine, we
     * have to take a little bit more action. First we create an snapshot, so
     * that new differencing images on the source VM are created. Based on that
     * we could use the new snapshot machine for cloning. */
    if (fLinked && m_snapshot.isNull())
    {
        /* Open session: */
        CSession session = vboxGlobal().openSession(m_machine.GetId());
        if (session.isNull())
            return false;

        /* Prepare console: */
        CConsole console = session.GetConsole();

        /* Take the snapshot: */
        QString strSnapshotName = tr("Linked Base for %1 and %2").arg(m_machine.GetName()).arg(strName);
        CProgress progress = console.TakeSnapshot(strSnapshotName, "");

        if (console.isOk())
        {
            /* Show the "Taking Snapshot" progress dialog: */
            msgCenter().showModalProgressDialog(progress, m_machine.GetName(), ":/progress_snapshot_create_90px.png", this, true);

            if (!progress.isOk() || progress.GetResultCode() != 0)
            {
                msgCenter().cannotTakeSnapshot(progress);
                return false;
            }
        }
        else
        {
            msgCenter().cannotTakeSnapshot(console);
            return false;
        }

        /* Unlock machine finally: */
        session.UnlockMachine();

        /* Get the new snapshot and the snapshot machine. */
        const CSnapshot &newSnapshot = m_machine.FindSnapshot(strSnapshotName);
        if (newSnapshot.isNull())
        {
            msgCenter().cannotFindSnapshotByName(this, m_machine, strSnapshotName);
            return false;
        }
        srcMachine = newSnapshot.GetMachine();
    }

    /* Create a new machine object. */
    const QString &strSettingsFile = vbox.ComposeMachineFilename(strName, QString::null /**< @todo group support */, QString::null, QString::null);
    CMachine cloneMachine = vbox.CreateMachine(strSettingsFile, strName, QVector<QString>(), QString::null, QString::null);
    if (!vbox.isOk())
    {
        msgCenter().cannotCreateMachine(vbox, this);
        return false;
    }

    /* Add the keep all MACs option to the import settings when requested. */
    QVector<KCloneOptions> options;
    if (!fReinitMACs)
        options.append(KCloneOptions_KeepAllMACs);
    /* Linked clones requested? */
    if (fLinked)
        options.append(KCloneOptions_Link);

    /* Start cloning. */
    CProgress progress = srcMachine.CloneTo(cloneMachine, cloneMode, options);
    if (!srcMachine.isOk())
    {
        msgCenter().cannotCreateClone(srcMachine, this);
        return false;
    }

    /* Wait until done. */
    msgCenter().showModalProgressDialog(progress, windowTitle(), ":/progress_clone_90px.png", this, true);
    if (progress.GetCanceled())
        return false;
    if (!progress.isOk() || progress.GetResultCode() != 0)
    {
        msgCenter().cannotCreateClone(srcMachine, progress, this);
        return false;
    }

    /* Finally register the clone machine. */
    vbox.RegisterMachine(cloneMachine);
    if (!vbox.isOk())
    {
        msgCenter().cannotRegisterMachine(vbox, cloneMachine, this);
        return false;
    }

    return true;
}
Esempio n. 10
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bool UINewVMWzdPage5::constructMachine()
{
    CVirtualBox vbox = vboxGlobal().virtualBox();

    /* OS type */
    CGuestOSType type = field("type").value<CGuestOSType>();
    AssertMsg(!type.isNull(), ("GuestOSType must return non-null type"));
    QString typeId = type.GetId();

    /* Create a machine with the default settings file location */
    if (m_Machine.isNull())
    {
        m_Machine = vbox.CreateMachine(QString::null,       // auto-compose filename
                                       field("name").toString(),
                                       typeId,
                                       QString::null,       // machine ID
                                       false);              // forceOverwrite
        if (!vbox.isOk())
        {
            msgCenter().cannotCreateMachine(vbox, this);
            return false;
        }

        /* The FirstRun wizard is to be shown only when we don't attach any hard disk or attach a new (empty) one.
         * Selecting an existing hard disk will cancel the wizard. */
        if (field("hardDiskId").toString().isNull() || !field("hardDisk").value<CMedium>().isNull())
            m_Machine.SetExtraData(VBoxDefs::GUI_FirstRun, "yes");
    }

    /* RAM size */
    m_Machine.SetMemorySize(field("ram").toInt());

    /* VRAM size - select maximum between recommended and minimum for fullscreen */
    m_Machine.SetVRAMSize (qMax (type.GetRecommendedVRAM(),
                                (ULONG) (VBoxGlobal::requiredVideoMemory(typeId) / _1M)));

    /* Selecting recommended chipset type */
    m_Machine.SetChipsetType(type.GetRecommendedChipset());

    /* Selecting recommended Audio Controller */
    m_Machine.GetAudioAdapter().SetAudioController(type.GetRecommendedAudioController());
    /* Enabling audio by default */
    m_Machine.GetAudioAdapter().SetEnabled(true);

    /* Enable the OHCI and EHCI controller by default for new VMs. (new in 2.2) */
    CUSBController usbController = m_Machine.GetUSBController();
    if (   !usbController.isNull()
        && usbController.GetProxyAvailable())
    {
        usbController.SetEnabled(true);

        /*
         * USB 2.0 is only available if the proper ExtPack is installed.
         *
         * Note. Configuring EHCI here and providing messages about
         * the missing extpack isn't exactly clean, but it is a
         * necessary evil to patch over legacy compatability issues
         * introduced by the new distribution model.
         */
        CExtPackManager manager = vboxGlobal().virtualBox().GetExtensionPackManager();
        if (manager.IsExtPackUsable(UI_ExtPackName))
            usbController.SetEnabledEhci(true);
    }

    /* Create recommended DVD storage controller */
    KStorageBus ctrDvdBus = type.GetRecommendedDvdStorageBus();
    QString ctrDvdName = getNextControllerName(ctrDvdBus);
    m_Machine.AddStorageController(ctrDvdName, ctrDvdBus);

    /* Set recommended DVD storage controller type */
    CStorageController dvdCtr = m_Machine.GetStorageControllerByName(ctrDvdName);
    KStorageControllerType dvdStorageControllerType = type.GetRecommendedDvdStorageController();
    dvdCtr.SetControllerType(dvdStorageControllerType);

    /* Create recommended HD storage controller if it's not the same as the DVD controller */
    KStorageBus ctrHdBus = type.GetRecommendedHdStorageBus();
    KStorageControllerType hdStorageControllerType = type.GetRecommendedHdStorageController();
    CStorageController hdCtr;
    QString ctrHdName;
    if (ctrHdBus != ctrDvdBus || hdStorageControllerType != dvdStorageControllerType)
    {
        ctrHdName = getNextControllerName(ctrHdBus);
        m_Machine.AddStorageController(ctrHdName, ctrHdBus);
        hdCtr = m_Machine.GetStorageControllerByName(ctrHdName);
        hdCtr.SetControllerType(hdStorageControllerType);

        /* Set the port count to 1 if SATA is used. */
        if (hdStorageControllerType == KStorageControllerType_IntelAhci)
            hdCtr.SetPortCount(1);
    }
    else
    {
        /* The HD controller is the same as DVD */
        hdCtr = dvdCtr;
        ctrHdName = ctrDvdName;
    }

    /* Turn on PAE, if recommended */
    m_Machine.SetCPUProperty(KCPUPropertyType_PAE, type.GetRecommendedPae());

    /* Set recommended firmware type */
    KFirmwareType fwType = type.GetRecommendedFirmware();
    m_Machine.SetFirmwareType(fwType);

    /* Set recommended human interface device types */
    if (type.GetRecommendedUsbHid())
    {
        m_Machine.SetKeyboardHidType(KKeyboardHidType_USBKeyboard);
        m_Machine.SetPointingHidType(KPointingHidType_USBMouse);
        if (!usbController.isNull())
            usbController.SetEnabled(true);
    }

    if (type.GetRecommendedUsbTablet())
    {
        m_Machine.SetPointingHidType(KPointingHidType_USBTablet);
        if (!usbController.isNull())
            usbController.SetEnabled(true);
    }

    /* Set HPET flag */
    m_Machine.SetHpetEnabled(type.GetRecommendedHpet());

    /* Set UTC flags */
    m_Machine.SetRTCUseUTC(type.GetRecommendedRtcUseUtc());

    /* Register the VM prior to attaching hard disks */
    vbox.RegisterMachine(m_Machine);
    if (!vbox.isOk())
    {
        msgCenter().cannotCreateMachine(vbox, m_Machine, this);
        return false;
    }

    /* Attach default devices */
    {
        bool success = false;
        QString machineId = m_Machine.GetId();
        CSession session = vboxGlobal().openSession(machineId);
        if (!session.isNull())
        {
            CMachine m = session.GetMachine();

            QString strId = field("hardDiskId").toString();
            /* Boot hard disk */
            if (!strId.isNull())
            {
                VBoxMedium vmedium = vboxGlobal().findMedium(strId);
                CMedium medium = vmedium.medium();              // @todo r=dj can this be cached somewhere?
                m.AttachDevice(ctrHdName, 0, 0, KDeviceType_HardDisk, medium);
                if (!m.isOk())
                    msgCenter().cannotAttachDevice(m, VBoxDefs::MediumType_HardDisk, field("hardDiskLocation").toString(),
                                                     StorageSlot(ctrHdBus, 0, 0), this);
            }

            /* Attach empty CD/DVD ROM Device */
            m.AttachDevice(ctrDvdName, 1, 0, KDeviceType_DVD, CMedium());
            if (!m.isOk())
                msgCenter().cannotAttachDevice(m, VBoxDefs::MediumType_DVD, QString(), StorageSlot(ctrDvdBus, 1, 0), this);

            if (m.isOk())
            {
                m.SaveSettings();
                if (m.isOk())
                    success = true;
                else
                    msgCenter().cannotSaveMachineSettings(m, this);
            }

            session.UnlockMachine();
        }
        if (!success)
        {
            /* Unregister on failure */
            QVector<CMedium> aMedia = m_Machine.Unregister(KCleanupMode_UnregisterOnly);   //  @todo replace with DetachAllReturnHardDisksOnly once a progress dialog is in place below
            if (vbox.isOk())
            {
                CProgress progress = m_Machine.Delete(aMedia);
                progress.WaitForCompletion(-1);         // @todo do this nicely with a progress dialog, this can delete lots of files
            }
            return false;
        }
    }

    /* Ensure we don't try to delete a newly created hard disk on success */
    if (!field("hardDisk").value<CMedium>().isNull())
        field("hardDisk").value<CMedium>().detach();

    return true;
}
Esempio n. 11
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void UIVMPreviewWindow::sltRecreatePreview()
{
    /* Only do this if we are visible: */
    if (!isVisible())
        return;

    /* Remove preview if any: */
    if (m_pPreviewImg)
    {
        delete m_pPreviewImg;
        m_pPreviewImg = 0;
    }

    /* We are not creating preview for inaccessible VMs: */
    if (m_machineState == KMachineState_Null)
        return;

    if (!m_machine.isNull() && m_vRect.width() > 0 && m_vRect.height() > 0)
    {
        QImage image(size(), QImage::Format_ARGB32);
        image.fill(Qt::transparent);
        QPainter painter(&image);
        bool fDone = false;

        /* Preview enabled? */
        if (m_pUpdateTimer->interval() > 0)
        {
            /* Use the image which may be included in the save state. */
            if (   m_machineState == KMachineState_Saved
                || m_machineState == KMachineState_Restoring)
            {
                ULONG width = 0, height = 0;
                QVector<BYTE> screenData = m_machine.ReadSavedScreenshotPNGToArray(0, width, height);
                if (screenData.size() != 0)
                {
                    QImage shot = QImage::fromData(screenData.data(), screenData.size(), "PNG").scaled(m_vRect.size(), Qt::IgnoreAspectRatio, Qt::SmoothTransformation);
                    dimImage(shot);
                    painter.drawImage(m_vRect.x(), m_vRect.y(), shot);
                    fDone = true;
                }
            }
            /* Use the current VM output. */
            else if (   m_machineState == KMachineState_Running
//                      || m_machineState == KMachineState_Saving /* Not sure if this is valid */
                     || m_machineState == KMachineState_Paused)
            {
                if (m_session.GetState() == KSessionState_Locked)
                {
                    CVirtualBox vbox = vboxGlobal().virtualBox();
                    if (vbox.isOk())
                    {
                        const CConsole& console = m_session.GetConsole();
                        if (!console.isNull())
                        {
                            CDisplay display = console.GetDisplay();
                            /* Todo: correct aspect radio */
//                            ULONG w, h, bpp;
//                            display.GetScreenResolution(0, w, h, bpp);
//                            QImage shot = QImage(w, h, QImage::Format_RGB32);
//                            shot.fill(Qt::black);
//                            display.TakeScreenShot(0, shot.bits(), shot.width(), shot.height());
                            QVector<BYTE> screenData = display.TakeScreenShotToArray(0, m_vRect.width(), m_vRect.height());
                            if (   display.isOk()
                                && screenData.size() != 0)
                            {
                                /* Unfortunately we have to reorder the pixel
                                 * data, cause the VBox API returns RGBA data,
                                 * which is not a format QImage understand.
                                 * Todo: check for 32bit alignment, for both
                                 * the data and the scanlines. Maybe we need to
                                 * copy the data in any case. */
                                uint32_t *d = (uint32_t*)screenData.data();
                                for (int i = 0; i < screenData.size() / 4; ++i)
                                {
                                    uint32_t e = d[i];
                                    d[i] = RT_MAKE_U32_FROM_U8(RT_BYTE3(e), RT_BYTE2(e), RT_BYTE1(e), RT_BYTE4(e));
                                }

                                QImage shot = QImage((uchar*)d, m_vRect.width(), m_vRect.height(), QImage::Format_RGB32);

                                if (m_machineState == KMachineState_Paused)
                                    dimImage(shot);
                                painter.drawImage(m_vRect.x(), m_vRect.y(), shot);
                                fDone = true;
                            }
                        }
                    }
                }
            }
        }
        if (fDone)
            m_pPreviewImg = new QImage(image);
    }
    update();
}
void UIHostNetworkManagerWidget::sltHandleItemChange(QTreeWidgetItem *pItem)
{
    /* Get network item: */
    UIItemHostNetwork *pChangedItem = static_cast<UIItemHostNetwork*>(pItem);
    AssertMsgReturnVoid(pChangedItem, ("Changed item must not be null!\n"));

    /* Get item data: */
    UIDataHostNetwork oldData = *pChangedItem;

    /* Make sure dhcp server status changed: */
    if (   (   oldData.m_dhcpserver.m_fEnabled
            && pChangedItem->checkState(Column_DHCP) == Qt::Checked)
        || (   !oldData.m_dhcpserver.m_fEnabled
            && pChangedItem->checkState(Column_DHCP) == Qt::Unchecked))
        return;

    /* Get host for further activities: */
    CHost comHost = vboxGlobal().host();

    /* Find corresponding interface: */
    CHostNetworkInterface comInterface = comHost.FindHostNetworkInterfaceByName(oldData.m_interface.m_strName);

    /* Show error message if necessary: */
    if (!comHost.isOk() || comInterface.isNull())
        msgCenter().cannotFindHostNetworkInterface(comHost, oldData.m_interface.m_strName, this);
    else
    {
        /* Get network name for further activities: */
        const QString strNetworkName = comInterface.GetNetworkName();

        /* Show error message if necessary: */
        if (!comInterface.isOk())
            msgCenter().cannotAcquireHostNetworkInterfaceParameter(comInterface, this);
        else
        {
            /* Get VBox for further activities: */
            CVirtualBox comVBox = vboxGlobal().virtualBox();

            /* Find corresponding DHCP server (create if necessary): */
            CDHCPServer comServer = comVBox.FindDHCPServerByNetworkName(strNetworkName);
            if (!comVBox.isOk() || comServer.isNull())
                comServer = comVBox.CreateDHCPServer(strNetworkName);

            /* Show error message if necessary: */
            if (!comVBox.isOk() || comServer.isNull())
                msgCenter().cannotCreateDHCPServer(comVBox, strNetworkName, this);
            else
            {
                /* Save whether DHCP server is enabled: */
                if (comServer.isOk())
                    comServer.SetEnabled(!oldData.m_dhcpserver.m_fEnabled);
                /* Save default DHCP server configuration if current is invalid: */
                if (   comServer.isOk()
                    && !oldData.m_dhcpserver.m_fEnabled
                    && (   oldData.m_dhcpserver.m_strAddress == "0.0.0.0"
                        || oldData.m_dhcpserver.m_strMask == "0.0.0.0"
                        || oldData.m_dhcpserver.m_strLowerAddress == "0.0.0.0"
                        || oldData.m_dhcpserver.m_strUpperAddress == "0.0.0.0"))
                {
                    const QStringList &proposal = makeDhcpServerProposal(oldData.m_interface.m_strAddress,
                                                                         oldData.m_interface.m_strMask);
                    comServer.SetConfiguration(proposal.at(0), proposal.at(1), proposal.at(2), proposal.at(3));
                }

                /* Show error message if necessary: */
                if (!comServer.isOk())
                    msgCenter().cannotSaveDHCPServerParameter(comServer, this);
                {
                    /* Update interface in the tree: */
                    UIDataHostNetwork data;
                    loadHostNetwork(comInterface, data);
                    updateItemForNetworkHost(data, true, pChangedItem);

                    /* Make sure current item fetched: */
                    sltHandleCurrentItemChange();

                    /* Adjust tree-widget: */
                    sltAdjustTreeWidget();
                }
            }
        }
    }
}
void UIHostNetworkManagerWidget::sltRemoveHostNetwork()
{
    /* Get network item: */
    UIItemHostNetwork *pItem = static_cast<UIItemHostNetwork*>(m_pTreeWidget->currentItem());
    AssertMsgReturnVoid(pItem, ("Current item must not be null!\n"));

    /* Get interface name: */
    const QString strInterfaceName(pItem->name());

    /* Confirm host network removal: */
    if (!msgCenter().confirmHostOnlyInterfaceRemoval(strInterfaceName, this))
        return;

    /* Get host for further activities: */
    CHost comHost = vboxGlobal().host();

    /* Find corresponding interface: */
    const CHostNetworkInterface &comInterface = comHost.FindHostNetworkInterfaceByName(strInterfaceName);

    /* Show error message if necessary: */
    if (!comHost.isOk() || comInterface.isNull())
        msgCenter().cannotFindHostNetworkInterface(comHost, strInterfaceName, this);
    else
    {
        /* Get network name for further activities: */
        QString strNetworkName;
        if (comInterface.isOk())
            strNetworkName = comInterface.GetNetworkName();
        /* Get interface id for further activities: */
        QUuid uInterfaceId;
        if (comInterface.isOk())
            uInterfaceId = comInterface.GetId();

        /* Show error message if necessary: */
        if (!comInterface.isOk())
            msgCenter().cannotAcquireHostNetworkInterfaceParameter(comInterface, this);
        else
        {
            /* Get VBox for further activities: */
            CVirtualBox comVBox = vboxGlobal().virtualBox();

            /* Find corresponding DHCP server: */
            const CDHCPServer &comServer = comVBox.FindDHCPServerByNetworkName(strNetworkName);
            if (comVBox.isOk() && comServer.isNotNull())
            {
                /* Remove server if any: */
                comVBox.RemoveDHCPServer(comServer);

                /* Show error message if necessary: */
                if (!comVBox.isOk())
                    msgCenter().cannotRemoveDHCPServer(comVBox, strInterfaceName, this);
            }

            /* Remove interface finally: */
            CProgress progress = comHost.RemoveHostOnlyNetworkInterface(uInterfaceId);

            /* Show error message if necessary: */
            if (!comHost.isOk() || progress.isNull())
                msgCenter().cannotRemoveHostNetworkInterface(comHost, strInterfaceName, this);
            else
            {
                /* Show interface removal progress: */
                msgCenter().showModalProgressDialog(progress, UIHostNetworkManager::tr("Removing network..."), ":/progress_network_interface_90px.png", this, 0);

                /* Show error message if necessary: */
                if (!progress.isOk() || progress.GetResultCode() != 0)
                    return msgCenter().cannotRemoveHostNetworkInterface(progress, strInterfaceName, this);
                else
                {
                    /* Remove interface from the tree: */
                    delete pItem;

                    /* Adjust tree-widget: */
                    sltAdjustTreeWidget();
                }
            }
        }
    }
}
void UIHostNetworkManagerWidget::sltApplyHostNetworkDetailsChanges()
{
    /* Get network item: */
    UIItemHostNetwork *pItem = static_cast<UIItemHostNetwork*>(m_pTreeWidget->currentItem());
    AssertMsgReturnVoid(pItem, ("Current item must not be null!\n"));

    /* Get item data: */
    UIDataHostNetwork oldData = *pItem;
    UIDataHostNetwork newData = m_pDetailsWidget->data();

    /* Get host for further activities: */
    CHost comHost = vboxGlobal().host();

    /* Find corresponding interface: */
    CHostNetworkInterface comInterface = comHost.FindHostNetworkInterfaceByName(oldData.m_interface.m_strName);

    /* Show error message if necessary: */
    if (!comHost.isOk() || comInterface.isNull())
        msgCenter().cannotFindHostNetworkInterface(comHost, oldData.m_interface.m_strName, this);
    else
    {
        /* Save automatic interface configuration: */
        if (newData.m_interface.m_fDHCPEnabled)
        {
            if (   comInterface.isOk()
                && !oldData.m_interface.m_fDHCPEnabled)
                comInterface.EnableDynamicIPConfig();
        }
        /* Save manual interface configuration: */
        else
        {
            /* Save IPv4 interface configuration: */
            if (   comInterface.isOk()
                && (   oldData.m_interface.m_fDHCPEnabled
                    || newData.m_interface.m_strAddress != oldData.m_interface.m_strAddress
                    || newData.m_interface.m_strMask != oldData.m_interface.m_strMask))
                comInterface.EnableStaticIPConfig(newData.m_interface.m_strAddress, newData.m_interface.m_strMask);
            /* Save IPv6 interface configuration: */
            if (   comInterface.isOk()
                && newData.m_interface.m_fSupportedIPv6
                && (   oldData.m_interface.m_fDHCPEnabled
                    || newData.m_interface.m_strAddress6 != oldData.m_interface.m_strAddress6
                    || newData.m_interface.m_strPrefixLength6 != oldData.m_interface.m_strPrefixLength6))
                comInterface.EnableStaticIPConfigV6(newData.m_interface.m_strAddress6, newData.m_interface.m_strPrefixLength6.toULong());
        }

        /* Show error message if necessary: */
        if (!comInterface.isOk())
            msgCenter().cannotSaveHostNetworkInterfaceParameter(comInterface, this);
        else
        {
            /* Get network name for further activities: */
            const QString strNetworkName = comInterface.GetNetworkName();

            /* Show error message if necessary: */
            if (!comInterface.isOk())
                msgCenter().cannotAcquireHostNetworkInterfaceParameter(comInterface, this);
            else
            {
                /* Get VBox for further activities: */
                CVirtualBox comVBox = vboxGlobal().virtualBox();

                /* Find corresponding DHCP server (create if necessary): */
                CDHCPServer comServer = comVBox.FindDHCPServerByNetworkName(strNetworkName);
                if (!comVBox.isOk() || comServer.isNull())
                    comServer = comVBox.CreateDHCPServer(strNetworkName);

                /* Show error message if necessary: */
                if (!comVBox.isOk() || comServer.isNull())
                    msgCenter().cannotCreateDHCPServer(comVBox, strNetworkName, this);
                else
                {
                    /* Save whether DHCP server is enabled: */
                    if (   comServer.isOk()
                        && newData.m_dhcpserver.m_fEnabled != oldData.m_dhcpserver.m_fEnabled)
                        comServer.SetEnabled(newData.m_dhcpserver.m_fEnabled);
                    /* Save DHCP server configuration: */
                    if (   comServer.isOk()
                        && newData.m_dhcpserver.m_fEnabled
                        && (   newData.m_dhcpserver.m_strAddress != oldData.m_dhcpserver.m_strAddress
                            || newData.m_dhcpserver.m_strMask != oldData.m_dhcpserver.m_strMask
                            || newData.m_dhcpserver.m_strLowerAddress != oldData.m_dhcpserver.m_strLowerAddress
                            || newData.m_dhcpserver.m_strUpperAddress != oldData.m_dhcpserver.m_strUpperAddress))
                        comServer.SetConfiguration(newData.m_dhcpserver.m_strAddress, newData.m_dhcpserver.m_strMask,
                                                   newData.m_dhcpserver.m_strLowerAddress, newData.m_dhcpserver.m_strUpperAddress);

                    /* Show error message if necessary: */
                    if (!comServer.isOk())
                        msgCenter().cannotSaveDHCPServerParameter(comServer, this);
                }
            }
        }

        /* Find corresponding interface again (if necessary): */
        if (!comInterface.isOk())
        {
            comInterface = comHost.FindHostNetworkInterfaceByName(oldData.m_interface.m_strName);

            /* Show error message if necessary: */
            if (!comHost.isOk() || comInterface.isNull())
                msgCenter().cannotFindHostNetworkInterface(comHost, oldData.m_interface.m_strName, this);
        }

        /* If interface is Ok now: */
        if (comInterface.isNotNull() && comInterface.isOk())
        {
            /* Update interface in the tree: */
            UIDataHostNetwork data;
            loadHostNetwork(comInterface, data);
            updateItemForNetworkHost(data, true, pItem);

            /* Make sure current item fetched: */
            sltHandleCurrentItemChange();

            /* Adjust tree-widget: */
            sltAdjustTreeWidget();
        }
    }
}
bool UICloneVMWizard::createClone(const QString &strName, KCloneMode mode, bool fReinitMACs, bool fLinked /* = false */)
{
    CVirtualBox vbox = vboxGlobal().virtualBox();
    const QString &strSettingsFile = vbox.ComposeMachineFilename(strName, QString::null);

    CMachine srcMachine = m_machine;
    /* If the user like to create a linked clone from the current machine, we
     * have to take a little bit more action. First we create an snapshot, so
     * that new differencing images on the source VM are created. Based on that
     * we could use the new snapshot machine for cloning. */
    if (   fLinked
        && m_snapshot.isNull())
    {
        const QString &strId = m_machine.GetId();
        CSession session = vboxGlobal().openSession(strId);
        if (session.isNull())
            return false;
        CConsole console = session.GetConsole();

        /* Take the snapshot */
        QString strSnapshotName = tr("Linked Base for %1 and %2").arg(m_machine.GetName()).arg(strName);
        CProgress progress = console.TakeSnapshot(strSnapshotName, "");

        if (console.isOk())
        {
            /* Show the "Taking Snapshot" progress dialog */
            msgCenter().showModalProgressDialog(progress, m_machine.GetName(), ":/progress_snapshot_create_90px.png", this, true);

            if (!progress.isOk() || progress.GetResultCode() != 0)
            {
                msgCenter().cannotTakeSnapshot(progress);
                return false;
            }
        }
        else
        {
            msgCenter().cannotTakeSnapshot(console);
            return false;
        }

        /* Unlock machine finally: */
        session.UnlockMachine();

        /* Get the new snapshot and the snapshot machine. */
        const CSnapshot &newSnapshot = m_machine.FindSnapshot(strSnapshotName);
        if (newSnapshot.isNull())
        {
            msgCenter().cannotFindSnapshotByName(this, m_machine, strSnapshotName);
            return false;
        }
        srcMachine = newSnapshot.GetMachine();
    }

    /* Create a new machine object. */
    CMachine cloneMachine = vbox.CreateMachine(strSettingsFile, strName, QString::null, QString::null, false);
    if (!vbox.isOk())
    {
        msgCenter().cannotCreateMachine(vbox, this);
        return false;
    }

    /* Add the keep all MACs option to the import settings when requested. */
    QVector<KCloneOptions> options;
    if (!fReinitMACs)
        options.append(KCloneOptions_KeepAllMACs);
    /* Linked clones requested? */
    if (fLinked)
        options.append(KCloneOptions_Link);

    /* Start cloning. */
    CProgress progress = srcMachine.CloneTo(cloneMachine, mode, options);
    if (!srcMachine.isOk())
    {
        msgCenter().cannotCreateClone(srcMachine, this);
        return false;
    }

    /* Wait until done. */
    msgCenter().showModalProgressDialog(progress, windowTitle(), ":/progress_clone_90px.png", this, true);
    if (progress.GetCanceled())
        return false;
    if (!progress.isOk() || progress.GetResultCode() != 0)
    {
        msgCenter().cannotCreateClone(srcMachine, progress, this);
        return false;
    }

    /* Finally register the clone machine. */
    vbox.RegisterMachine(cloneMachine);
    if (!vbox.isOk())
    {
        msgCenter().cannotRegisterMachine(vbox, cloneMachine, this);
        return false;
    }

    return true;
}