/****************************************************************************+
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**+
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** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).+
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** All rights reserved.+
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** Contact: Nokia Corporation (qt-info@nokia.com)+
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**+
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** This file is part of the tools applications of the Qt Toolkit.+
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**+
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** $QT_BEGIN_LICENSE:LGPL$+
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** No Commercial Usage+
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** This file contains pre-release code and may not be distributed.+
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** You may use this file in accordance with the terms and conditions+
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** contained in the Technology Preview License Agreement accompanying+
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** this package.+
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**+
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** GNU Lesser General Public License Usage+
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** Alternatively, this file may be used under the terms of the GNU Lesser+
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** General Public License version 2.1 as published by the Free Software+
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** Foundation and appearing in the file LICENSE.LGPL included in the+
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** packaging of this file.  Please review the following information to+
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** ensure the GNU Lesser General Public License version 2.1 requirements+
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.+
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**+
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** In addition, as a special exception, Nokia gives you certain additional+
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** rights.  These rights are described in the Nokia Qt LGPL Exception+
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.+
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**+
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** If you have questions regarding the use of this file, please contact+
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** Nokia at qt-info@nokia.com.+
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**+
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**+
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**+
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**+
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**+
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**+
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**+
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**+
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** $QT_END_LICENSE$+
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**+
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****************************************************************************/+
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+
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#include "serenum.h"+
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#include <QByteArray>+
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#include <QString>+
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#include <QDebug>+
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#include <windows.h>+
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#include <windef.h>+
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#include <setupapi.h>+
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#include <devguid.h>+
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#include <winreg.h>+
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#include <shlwapi.h>+
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+
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//{4d36e978-e325-11ce-bfc1-08002be10318}+
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//DEFINE_GUID(GUID_DEVCLASS_PORTS, 0x4D36E978, 0xE325, 0x11CE, 0xBF, 0xC1, 0x08, 0x00, 0x2B, 0xE1, 0x03, 0x18 );+
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+
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QList<SerialPortId> enumerateSerialPorts()+
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{+
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    DWORD index=0;+
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    SP_DEVINFO_DATA info;+
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    GUID guid = GUID_DEVCLASS_PORTS;+
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    HDEVINFO infoset = SetupDiGetClassDevs(&guid, 0, 0, DIGCF_PRESENT);+
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    QString valueName(16384, 0);+
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    QList<SerialPortId> list;+
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+
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    for (index=0;;index++) {+
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        ZeroMemory(&info, sizeof(SP_DEVINFO_DATA));+
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        info.cbSize = sizeof(SP_DEVINFO_DATA);+
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        if (!SetupDiEnumDeviceInfo(infoset, index, &info))+
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            break;+
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        QString friendlyName;+
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        QString portName;+
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        DWORD size=0;+
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        SetupDiGetDeviceRegistryProperty(infoset, &info, SPDRP_FRIENDLYNAME, 0, 0, 0, &size);+
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        QByteArray ba(size, 0);+
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        if(SetupDiGetDeviceRegistryProperty(infoset, &info, SPDRP_FRIENDLYNAME, 0, (BYTE*)(ba.data()), size, 0)) {+
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            friendlyName = QString((const QChar*)(ba.constData()), ba.size() / 2 - 1);+
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        }+
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        HKEY key = SetupDiOpenDevRegKey(infoset, &info, DICS_FLAG_GLOBAL, 0, DIREG_DEV, KEY_READ);+
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        if(key != INVALID_HANDLE_VALUE) {+
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            //RegGetValue not supported on XP, SHRegGetValue not supported by mingw, so use the old method of enumerating all the values+
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            for (DWORD dwi=0;;dwi++) {+
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                DWORD vsize = valueName.size();+
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                if (ERROR_SUCCESS == RegEnumValue(key, dwi, (WCHAR*)(valueName.data()), &vsize, 0, 0, 0, &size)) {+
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                    if (valueName.startsWith("PortName")) {+
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                       QByteArray ba(size, 0);+
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                       vsize = valueName.size();+
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                       if(ERROR_SUCCESS == RegEnumValue(key, dwi, (WCHAR*)(valueName.data()), &vsize, 0, 0, (BYTE*)(ba.data()), &size)) {+
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                           portName = QString((const QChar*)(ba.constData()), ba.size() / 2 - 1);+
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                       }+
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                   }+
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                } else {+
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                    break;+
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                }+
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            }+
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            RegCloseKey(key);+
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        }+
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        SerialPortId id;+
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        id.portName = portName;+
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        id.friendlyName = friendlyName;+
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        list.append(id);+
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    }+
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    SetupDiDestroyDeviceInfoList(infoset);+
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    return list;+
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}+
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+
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