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    41 

    42 #include "qprinterinfo.h"

    43 

    44 #include <qstringlist.h>

    45 

    46 #include <qt_windows.h>

    47 

    48 QT_BEGIN_NAMESPACE

    49 

    50 #ifndef QT_NO_PRINTER

    51 

    52 extern QPrinter::PaperSize mapDevmodePaperSize(int s);

    53 

    54 class QPrinterInfoPrivate

    55 {

    56 Q_DECLARE_PUBLIC(QPrinterInfo)

    57 public:

    58     ~QPrinterInfoPrivate();

    59     QPrinterInfoPrivate();

    60     QPrinterInfoPrivate(const QString& name);

    61 

    62 private:

    63     QString                     m_name;

    64     bool                        m_default;

    65     bool                        m_isNull;

    66 

    67     QPrinterInfo*               q_ptr;

    68 };

    69 

    70 static QPrinterInfoPrivate nullQPrinterInfoPrivate;

    71 

    72 class QPrinterInfoPrivateDeleter

    73 {

    74 public:

    75     static inline void cleanup(QPrinterInfoPrivate *d)

    76     {

    77         if (d != &nullQPrinterInfoPrivate)

    78             delete d;

    79     }

    80 };

    81 

    82 /////////////////////////////////////////////////////////////////////////////

    83 /////////////////////////////////////////////////////////////////////////////

    84 

    85 QList<QPrinterInfo> QPrinterInfo::availablePrinters()

    86 {

    87     QList<QPrinterInfo> printers;

    88     LPBYTE buffer;

    89     DWORD needed = 0;

    90     DWORD returned = 0;

    91 

    92     if ( !EnumPrinters(PRINTER_ENUM_LOCAL | PRINTER_ENUM_CONNECTIONS, NULL, 4, 0, 0, &needed, &returned))

    93     {

    94         buffer = new BYTE[needed];

    95         if (!EnumPrinters(PRINTER_ENUM_LOCAL | PRINTER_ENUM_CONNECTIONS , NULL,

    96                            4, buffer, needed, &needed, &returned))

    97         {

    98             delete [] buffer;

    99             return printers;

   100         }

   101         PPRINTER_INFO_4 infoList = reinterpret_cast<PPRINTER_INFO_4>(buffer);

   102         QPrinterInfo defPrn = defaultPrinter();

   103         for (uint i = 0; i < returned; ++i) {

   104             printers.append(QPrinterInfo(QString::fromWCharArray(infoList[i].pPrinterName)));

   105             if (printers.at(i).printerName() == defPrn.printerName())

   106                 printers[i].d_ptr->m_default = true;

   107         }

   108         delete [] buffer;

   109     }

   110 

   111     return printers;

   112 }

   113 

   114 QPrinterInfo QPrinterInfo::defaultPrinter()

   115 {

   116     QString noPrinters(QLatin1String("qt_no_printers"));

   117     wchar_t buffer[256];

   118     GetProfileString(L"windows", L"device", (wchar_t*)noPrinters.utf16(), buffer, 256);

   119     QString output = QString::fromWCharArray(buffer);

   120 

   121     // Filter out the name of the printer, which should be everything

   122     // before a comma.

   123     bool noConfiguredPrinters = (output == noPrinters);

   124     QStringList info = output.split(QLatin1Char(','));

   125     QString printerName = noConfiguredPrinters ? QString() : info.at(0);

   126 

   127     QPrinterInfo prn(printerName);

   128     prn.d_ptr->m_default = true;

   129     if (noConfiguredPrinters)

   130         prn.d_ptr->m_isNull = true;

   131     return prn;

   132 }

   133 

   134 /////////////////////////////////////////////////////////////////////////////

   135 /////////////////////////////////////////////////////////////////////////////

   136 

   137 QPrinterInfo::QPrinterInfo()

   138     : d_ptr(&nullQPrinterInfoPrivate)

   139 {

   140 }

   141 

   142 QPrinterInfo::QPrinterInfo(const QString& name)

   143     : d_ptr(new QPrinterInfoPrivate(name))

   144 {

   145     d_ptr->q_ptr = this;

   146 }

   147 

   148 QPrinterInfo::QPrinterInfo(const QPrinterInfo& src)

   149     : d_ptr(&nullQPrinterInfoPrivate)

   150 {

   151     *this = src;

   152 }

   153 

   154 QPrinterInfo::QPrinterInfo(const QPrinter& prn)

   155     : d_ptr(&nullQPrinterInfoPrivate)

   156 {

   157     QList<QPrinterInfo> list = availablePrinters();

   158     for (int c = 0; c < list.size(); ++c) {

   159         if (prn.printerName() == list[c].printerName()) {

   160             *this = list[c];

   161             return;

   162         }

   163     }

   164 

   165     *this = QPrinterInfo();

   166 }

   167 

   168 QPrinterInfo::~QPrinterInfo()

   169 {

   170 }

   171 

   172 QPrinterInfo& QPrinterInfo::operator=(const QPrinterInfo& src)

   173 {

   174     Q_ASSERT(d_ptr);

   175     d_ptr.reset(new QPrinterInfoPrivate(*src.d_ptr));

   176     d_ptr->q_ptr = this;

   177     return *this;

   178 }

   179 

   180 QString QPrinterInfo::printerName() const

   181 {

   182     const Q_D(QPrinterInfo);

   183     return d->m_name;

   184 }

   185 

   186 bool QPrinterInfo::isNull() const

   187 {

   188     const Q_D(QPrinterInfo);

   189     return d->m_isNull;

   190 }

   191 

   192 bool QPrinterInfo::isDefault() const

   193 {

   194     const Q_D(QPrinterInfo);

   195     return d->m_default;

   196 }

   197 

   198 QList<QPrinter::PaperSize> QPrinterInfo::supportedPaperSizes() const

   199 {

   200     const Q_D(QPrinterInfo);

   201     QList<QPrinter::PaperSize> paperList;

   202 

   203     DWORD size = DeviceCapabilities(reinterpret_cast<const wchar_t*>(d->m_name.utf16()),

   204                                     NULL, DC_PAPERS, NULL, NULL);

   205     if ((int)size == -1)

   206         return paperList;

   207 

   208     wchar_t *papers = new wchar_t[size];

   209     size = DeviceCapabilities(reinterpret_cast<const wchar_t*>(d->m_name.utf16()),

   210                               NULL, DC_PAPERS, papers, NULL);

   211 

   212     for (int c = 0; c < (int)size; ++c) {

   213         paperList.append(mapDevmodePaperSize(papers[c]));

   214     }

   215 

   216     delete [] papers;

   217 

   218     return paperList;

   219 }

   220 

   221 /////////////////////////////////////////////////////////////////////////////

   222 /////////////////////////////////////////////////////////////////////////////

   223 

   224 QPrinterInfoPrivate::QPrinterInfoPrivate() :

   225     m_default(false),

   226     m_isNull(true),

   227     q_ptr(NULL)

   228 {

   229 }

   230 

   231 QPrinterInfoPrivate::QPrinterInfoPrivate(const QString& name) :

   232     m_name(name),

   233     m_default(false),

   234     m_isNull(false),

   235     q_ptr(NULL)

   236 {

   237 }

   238 

   239 QPrinterInfoPrivate::~QPrinterInfoPrivate()

   240 {

   241 }

   242 

   243 #endif // QT_NO_PRINTER

   244 

   245 QT_END_NAMESPACE