/****************************************************************************+
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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 QtGui module 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 "qprinterinfo.h"+
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+
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#include <qstringlist.h>+
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+
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#include <qt_windows.h>+
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+
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QT_BEGIN_NAMESPACE+
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+
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#ifndef QT_NO_PRINTER+
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+
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extern QPrinter::PaperSize mapDevmodePaperSize(int s);+
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+
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class QPrinterInfoPrivate+
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{+
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Q_DECLARE_PUBLIC(QPrinterInfo)+
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public:+
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    ~QPrinterInfoPrivate();+
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    QPrinterInfoPrivate();+
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    QPrinterInfoPrivate(const QString& name);+
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+
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private:+
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    QString                     m_name;+
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    bool                        m_default;+
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    bool                        m_isNull;+
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+
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    QPrinterInfo*               q_ptr;+
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};+
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+
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static QPrinterInfoPrivate nullQPrinterInfoPrivate;+
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+
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class QPrinterInfoPrivateDeleter+
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{+
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public:+
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    static inline void cleanup(QPrinterInfoPrivate *d)+
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    {+
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        if (d != &nullQPrinterInfoPrivate)+
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            delete d;+
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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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QList<QPrinterInfo> QPrinterInfo::availablePrinters()+
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{+
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    QList<QPrinterInfo> printers;+
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    LPBYTE buffer;+
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    DWORD needed = 0;+
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    DWORD returned = 0;+
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+
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    if ( !EnumPrinters(PRINTER_ENUM_LOCAL | PRINTER_ENUM_CONNECTIONS, NULL, 4, 0, 0, &needed, &returned))+
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    {+
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        buffer = new BYTE[needed];+
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        if (!EnumPrinters(PRINTER_ENUM_LOCAL | PRINTER_ENUM_CONNECTIONS , NULL,+
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                           4, buffer, needed, &needed, &returned))+
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        {+
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            delete [] buffer;+
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            return printers;+
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        }+
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        PPRINTER_INFO_4 infoList = reinterpret_cast<PPRINTER_INFO_4>(buffer);+
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        QPrinterInfo defPrn = defaultPrinter();+
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        for (uint i = 0; i < returned; ++i) {+
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            printers.append(QPrinterInfo(QString::fromWCharArray(infoList[i].pPrinterName)));+
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            if (printers.at(i).printerName() == defPrn.printerName())+
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                printers[i].d_ptr->m_default = true;+
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        }+
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        delete [] buffer;+
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    }+
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+
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    return printers;+
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}+
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+
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QPrinterInfo QPrinterInfo::defaultPrinter()+
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{+
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    QString noPrinters(QLatin1String("qt_no_printers"));+
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    wchar_t buffer[256];+
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    GetProfileString(L"windows", L"device", (wchar_t*)noPrinters.utf16(), buffer, 256);+
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    QString output = QString::fromWCharArray(buffer);+
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+
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    // Filter out the name of the printer, which should be everything+
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    // before a comma.+
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    bool noConfiguredPrinters = (output == noPrinters);+
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    QStringList info = output.split(QLatin1Char(','));+
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    QString printerName = noConfiguredPrinters ? QString() : info.at(0);+
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+
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    QPrinterInfo prn(printerName);+
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    prn.d_ptr->m_default = true;+
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    if (noConfiguredPrinters)+
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        prn.d_ptr->m_isNull = true;+
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    return prn;+
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}+
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+
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/////////////////////////////////////////////////////////////////////////////+
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/////////////////////////////////////////////////////////////////////////////+
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+
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QPrinterInfo::QPrinterInfo()+
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    : d_ptr(&nullQPrinterInfoPrivate)+
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{+
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}+
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+
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QPrinterInfo::QPrinterInfo(const QString& name)+
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    : d_ptr(new QPrinterInfoPrivate(name))+
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{+
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    d_ptr->q_ptr = this;+
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}+
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+
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QPrinterInfo::QPrinterInfo(const QPrinterInfo& src)+
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    : d_ptr(&nullQPrinterInfoPrivate)+
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{+
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    *this = src;+
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}+
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+
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QPrinterInfo::QPrinterInfo(const QPrinter& prn)+
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    : d_ptr(&nullQPrinterInfoPrivate)+
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{+
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    QList<QPrinterInfo> list = availablePrinters();+
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    for (int c = 0; c < list.size(); ++c) {+
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        if (prn.printerName() == list[c].printerName()) {+
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            *this = list[c];+
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            return;+
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        }+
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    }+
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+
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    *this = QPrinterInfo();+
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}+
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+
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QPrinterInfo::~QPrinterInfo()+
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{+
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}+
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+
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QPrinterInfo& QPrinterInfo::operator=(const QPrinterInfo& src)+
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{+
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    Q_ASSERT(d_ptr);+
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    d_ptr.reset(new QPrinterInfoPrivate(*src.d_ptr));+
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    d_ptr->q_ptr = this;+
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    return *this;+
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}+
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+
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QString QPrinterInfo::printerName() const+
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{+
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    const Q_D(QPrinterInfo);+
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    return d->m_name;+
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}+
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+
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bool QPrinterInfo::isNull() const+
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{+
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    const Q_D(QPrinterInfo);+
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    return d->m_isNull;+
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}+
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+
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bool QPrinterInfo::isDefault() const+
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{+
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    const Q_D(QPrinterInfo);+
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    return d->m_default;+
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}+
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+
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QList<QPrinter::PaperSize> QPrinterInfo::supportedPaperSizes() const+
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{+
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    const Q_D(QPrinterInfo);+
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    QList<QPrinter::PaperSize> paperList;+
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+
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    DWORD size = DeviceCapabilities(reinterpret_cast<const wchar_t*>(d->m_name.utf16()),+
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                                    NULL, DC_PAPERS, NULL, NULL);+
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    if ((int)size == -1)+
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        return paperList;+
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+
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    wchar_t *papers = new wchar_t[size];+
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    size = DeviceCapabilities(reinterpret_cast<const wchar_t*>(d->m_name.utf16()),+
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                              NULL, DC_PAPERS, papers, NULL);+
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+
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    for (int c = 0; c < (int)size; ++c) {+
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        paperList.append(mapDevmodePaperSize(papers[c]));+
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    }+
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+
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    delete [] papers;+
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+
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    return paperList;+
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}+
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+
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/////////////////////////////////////////////////////////////////////////////+
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/////////////////////////////////////////////////////////////////////////////+
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+
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QPrinterInfoPrivate::QPrinterInfoPrivate() :+
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    m_default(false),+
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    m_isNull(true),+
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    q_ptr(NULL)+
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{+
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}+
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+
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QPrinterInfoPrivate::QPrinterInfoPrivate(const QString& name) :+
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    m_name(name),+
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    m_default(false),+
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    m_isNull(false),+
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    q_ptr(NULL)+
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{+
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}+
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+
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QPrinterInfoPrivate::~QPrinterInfoPrivate()+
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{+
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}+
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+
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#endif // QT_NO_PRINTER+
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+
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QT_END_NAMESPACE+
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