diff options
Diffstat (limited to 'src/serialport/serialportinfo_wince.cpp')
| -rw-r--r-- | src/serialport/serialportinfo_wince.cpp | 136 |
1 files changed, 136 insertions, 0 deletions
diff --git a/src/serialport/serialportinfo_wince.cpp b/src/serialport/serialportinfo_wince.cpp new file mode 100644 index 0000000..1fbbd86 --- /dev/null +++ b/src/serialport/serialportinfo_wince.cpp @@ -0,0 +1,136 @@ +/**************************************************************************** +** +** Copyright (C) 2011-2012 Denis Shienkov <scapig2@yandex.ru> +** Copyright (C) 2011 Sergey Belyashov <Sergey.Belyashov@gmail.com> +** Copyright (C) 2012 Laszlo Papp <lpapp@kde.org> +** Contact: http://www.qt-project.org/ +** +** This file is part of the QtSerialPort module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** GNU Lesser General Public License Usage +** This file may be used under the terms of the GNU Lesser General Public +** License version 2.1 as published by the Free Software Foundation and +** appearing in the file LICENSE.LGPL included in the packaging of this +** file. Please review the following information to ensure the GNU Lesser +** General Public License version 2.1 requirements will be met: +** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Nokia gives you certain additional +** rights. These rights are described in the Nokia Qt LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU General +** Public License version 3.0 as published by the Free Software Foundation +** and appearing in the file LICENSE.GPL included in the packaging of this +** file. Please review the following information to ensure the GNU General +** Public License version 3.0 requirements will be met: +** http://www.gnu.org/copyleft/gpl.html. +** +** Other Usage +** Alternatively, this file may be used in accordance with the terms and +** conditions contained in a signed written agreement between you and Nokia. +** +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "serialportinfo.h" +#include "serialportinfo_p.h" +#include "serialport_win_p.h" + +#include <qt_windows.h> + +#include <QtCore/qvariant.h> +#include <QtCore/qstringlist.h> + +QT_BEGIN_NAMESPACE_SERIALPORT + +const static QString valueName(QLatin1String("FriendlyName")); +static QString findDescription(HKEY parentKeyHandle, const QString &subKey) +{ + QString result; + HKEY hSubKey = 0; + LONG res = ::RegOpenKeyEx(parentKeyHandle, reinterpret_cast<const wchar_t *>(subKey.utf16()), + 0, KEY_QUERY_VALUE | KEY_ENUMERATE_SUB_KEYS, &hSubKey); + + if (res == ERROR_SUCCESS) { + + DWORD dataType = 0; + DWORD dataSize = 0; + res = ::RegQueryValueEx(hSubKey, reinterpret_cast<const wchar_t *>(valueName.utf16()), + NULL, &dataType, NULL, &dataSize); + + if (res == ERROR_SUCCESS) { + QByteArray data(dataSize, 0); + res = ::RegQueryValueEx(hSubKey, reinterpret_cast<const wchar_t *>(valueName.utf16()), + NULL, NULL, + reinterpret_cast<unsigned char *>(data.data()), + &dataSize); + + if (res == ERROR_SUCCESS) { + switch (dataType) { + case REG_EXPAND_SZ: + case REG_SZ: + if (dataSize) + result = QString::fromWCharArray(reinterpret_cast<const wchar_t *>(data.constData())); + break; + default: + break; + } + } + } else { + DWORD index = 0; + dataSize = 255; // Max. key length (see MSDN). + QByteArray data(dataSize, 0); + while (::RegEnumKeyEx(hSubKey, index++, + reinterpret_cast<wchar_t *>(data.data()), &dataSize, + NULL, NULL, NULL, NULL) == ERROR_SUCCESS) { + + result = findDescription(hSubKey, + QString::fromUtf16(reinterpret_cast<ushort *>(data.data()), dataSize)); + if (!result.isEmpty()) + break; + } + } + ::RegCloseKey(hSubKey); + } + return result; +} + +QList<SerialPortInfo> SerialPortInfo::availablePorts() +{ + QList<SerialPortInfo> ports; + + DEVMGR_DEVICE_INFORMATION di; + di.dwSize = sizeof(di); + const HANDLE hSearch = ::FindFirstDevice(DeviceSearchByLegacyName, + L"COM*", + &di); + if (hSearch != INVALID_HANDLE_VALUE) { + do { + SerialPortInfo info; + info.d_ptr->device = QString::fromWCharArray(di.szLegacyName); + info.d_ptr->portName = SerialPortPrivate::portNameFromSystemLocation(info.d_ptr->device); + info.d_ptr->description = findDescription(HKEY_LOCAL_MACHINE, + QString::fromWCharArray(di.szDeviceKey)); + + // Get manufacturer, vendor identifier, product identifier are not + // possible. + + ports.append(info); + + } while (::FindNextDevice(hSearch, &di)); + ::FindClose(hSearch); + } + + return ports; +} + +QT_END_NAMESPACE_SERIALPORT |