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183 lines
4.3 KiB
C++
183 lines
4.3 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2015 The Qt Company Ltd.
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** Copyright (C) 2016-2019 Ivailo Monev
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**
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** This file is part of the documentation of the Katie Toolkit.
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**
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** $QT_BEGIN_LICENSE:FDL$
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and The Qt Company. For licensing terms
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** and conditions see http://www.qt.io/terms-conditions. For further
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** information use the contact form at http://www.qt.io/contact-us.
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**
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** GNU Free Documentation License Usage
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** Alternatively, this file may be used under the terms of the GNU Free
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** Documentation License version 1.3 as published by the Free Software
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** Foundation and appearing in the file included in the packaging of
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** this file. Please review the following information to ensure
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** the GNU Free Documentation License version 1.3 requirements
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** will be met: http://www.gnu.org/copyleft/fdl.html.
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include "qprinterinfo.h"
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#include "qprinterinfo_p.h"
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#ifndef QT_NO_PRINTER
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QT_BEGIN_NAMESPACE
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QPrinterInfoPrivate QPrinterInfoPrivate::shared_null;
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/*!
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\class QPrinterInfo
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\brief The QPrinterInfo class gives access to information about
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existing printers.
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\ingroup printing
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Use the static functions to generate a list of QPrinterInfo
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objects. Each QPrinterInfo object in the list represents a single
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printer and can be queried for name, supported paper sizes, and
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whether or not it is the default printer.
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\since 4.4
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*/
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/*!
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\fn QList<QPrinterInfo> QPrinterInfo::availablePrinters()
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Returns a list of available printers on the system.
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*/
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/*!
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\fn QPrinterInfo QPrinterInfo::defaultPrinter()
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Returns the default printer on the system.
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The return value should be checked using isNull() before being
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used, in case there is no default printer.
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\sa isNull()
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*/
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/*!
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Constructs an empty QPrinterInfo object.
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\sa isNull()
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*/
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QPrinterInfo::QPrinterInfo()
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: d_ptr(&QPrinterInfoPrivate::shared_null)
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{
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}
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/*!
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\since 4.8
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Constructs a copy of \a other.
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*/
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QPrinterInfo::QPrinterInfo(const QPrinterInfo &other)
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: d_ptr(new QPrinterInfoPrivate(*other.d_ptr))
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{
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}
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/*!
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Constructs a QPrinterInfo object from \a printer.
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*/
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QPrinterInfo::QPrinterInfo(const QPrinter &printer)
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: d_ptr(&QPrinterInfoPrivate::shared_null)
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{
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foreach (const QPrinterInfo &printerInfo, availablePrinters()) {
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if (printerInfo.printerName() == printer.printerName()) {
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d_ptr.reset(new QPrinterInfoPrivate(*printerInfo.d_ptr));
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break;
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}
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}
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}
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/*!
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\internal
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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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}
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/*!
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Destroys the QPrinterInfo object. References to the values in the
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object become invalid.
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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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\since 4.8
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Sets the QPrinterInfo object to be equal to \a other.
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*/
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QPrinterInfo &QPrinterInfo::operator=(const QPrinterInfo &other)
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{
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Q_ASSERT(d_ptr);
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d_ptr.reset(new QPrinterInfoPrivate(*other.d_ptr));
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return *this;
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}
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/*!
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Returns the name of the printer.
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\sa QPrinter::setPrinterName()
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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->name;
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}
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/*!
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Returns whether this QPrinterInfo object holds a printer definition.
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An empty QPrinterInfo object could result for example from calling
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defaultPrinter() when there are no printers on the system.
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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 == &QPrinterInfoPrivate::shared_null;
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}
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/*!
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Returns whether this printer is the default printer.
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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->isDefault;
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}
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/*!
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\fn QList< QPrinter::PaperSize> QPrinterInfo::supportedPaperSizes() const
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\since 4.4
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Returns a list of supported paper sizes by the printer.
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Not all printer drivers support this query, so the list may be empty.
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On Mac OS X 10.3, this function always returns an empty list.
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*/
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QT_END_NAMESPACE
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#endif // QT_NO_PRINTER
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