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Diffstat (limited to 'src/gui/painting/qprinterinfo.cpp')
-rw-r--r-- | src/gui/painting/qprinterinfo.cpp | 177 |
1 files changed, 177 insertions, 0 deletions
diff --git a/src/gui/painting/qprinterinfo.cpp b/src/gui/painting/qprinterinfo.cpp new file mode 100644 index 0000000..c00a1cc --- /dev/null +++ b/src/gui/painting/qprinterinfo.cpp @@ -0,0 +1,177 @@ +/**************************************************************************** +** +** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the documentation of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:FDL$ +** GNU Free Documentation License +** Alternatively, this file may be used under the terms of the GNU Free +** Documentation License version 1.3 as published by the Free Software +** Foundation and appearing in the file included in the packaging of +** this file. +** +** 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 "qprinterinfo.h" +#include "qprinterinfo_p.h" + +#ifndef QT_NO_PRINTER + +QT_BEGIN_NAMESPACE + +QPrinterInfoPrivate QPrinterInfoPrivate::shared_null; + + +/*! + \class QPrinterInfo + + \brief The QPrinterInfo class gives access to information about + existing printers. + + \ingroup printing + + Use the static functions to generate a list of QPrinterInfo + objects. Each QPrinterInfo object in the list represents a single + printer and can be queried for name, supported paper sizes, and + whether or not it is the default printer. + + \since 4.4 +*/ + +/*! + \fn QList<QPrinterInfo> QPrinterInfo::availablePrinters() + + Returns a list of available printers on the system. +*/ + +/*! + \fn QPrinterInfo QPrinterInfo::defaultPrinter() + + Returns the default printer on the system. + + The return value should be checked using isNull() before being + used, in case there is no default printer. + + \sa isNull() +*/ + +/*! + Constructs an empty QPrinterInfo object. + + \sa isNull() +*/ +QPrinterInfo::QPrinterInfo() + : d_ptr(&QPrinterInfoPrivate::shared_null) +{ +} + +/*! + \since 4.8 + + Constructs a copy of \a other. +*/ +QPrinterInfo::QPrinterInfo(const QPrinterInfo &other) + : d_ptr(new QPrinterInfoPrivate(*other.d_ptr)) +{ +} + +/*! + Constructs a QPrinterInfo object from \a printer. +*/ +QPrinterInfo::QPrinterInfo(const QPrinter &printer) + : d_ptr(&QPrinterInfoPrivate::shared_null) +{ + foreach (const QPrinterInfo &printerInfo, availablePrinters()) { + if (printerInfo.printerName() == printer.printerName()) { + d_ptr.reset(new QPrinterInfoPrivate(*printerInfo.d_ptr)); + break; + } + } +} + +/*! + \internal +*/ +QPrinterInfo::QPrinterInfo(const QString &name) + : d_ptr(new QPrinterInfoPrivate(name)) +{ +} + +/*! + Destroys the QPrinterInfo object. References to the values in the + object become invalid. +*/ +QPrinterInfo::~QPrinterInfo() +{ +} + +/*! + \since 4.8 + + Sets the QPrinterInfo object to be equal to \a other. +*/ +QPrinterInfo &QPrinterInfo::operator=(const QPrinterInfo &other) +{ + Q_ASSERT(d_ptr); + d_ptr.reset(new QPrinterInfoPrivate(*other.d_ptr)); + return *this; +} + +/*! + Returns the name of the printer. + + \sa QPrinter::setPrinterName() +*/ +QString QPrinterInfo::printerName() const +{ + const Q_D(QPrinterInfo); + return d->name; +} + +/*! + Returns whether this QPrinterInfo object holds a printer definition. + + An empty QPrinterInfo object could result for example from calling + defaultPrinter() when there are no printers on the system. +*/ +bool QPrinterInfo::isNull() const +{ + const Q_D(QPrinterInfo); + return d == &QPrinterInfoPrivate::shared_null; +} + +/*! + Returns whether this printer is the default printer. +*/ +bool QPrinterInfo::isDefault() const +{ + const Q_D(QPrinterInfo); + return d->isDefault; +} + +/*! + \fn QList< QPrinter::PaperSize> QPrinterInfo::supportedPaperSizes() const + \since 4.4 + + Returns a list of supported paper sizes by the printer. + + Not all printer drivers support this query, so the list may be empty. + On Mac OS X 10.3, this function always returns an empty list. +*/ + +QT_END_NAMESPACE + +#endif // QT_NO_PRINTER |