src/gui/dialogs/qabstractprintdialog.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Wed, 18 Aug 2010 10:37:55 +0300
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/****************************************************************************
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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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#include "qabstractprintdialog_p.h"
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#include "qcoreapplication.h"
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#include "qprintdialog.h"
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#include "qprinter.h"
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#include "private/qprinter_p.h"
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#ifndef QT_NO_PRINTDIALOG
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QT_BEGIN_NAMESPACE
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// hack
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class QPrintDialogPrivate : public QAbstractPrintDialogPrivate
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{
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};
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/*!
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    \class QAbstractPrintDialog
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    \brief The QAbstractPrintDialog class provides a base implementation for
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    print dialogs used to configure printers.
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    \ingroup printing
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    This class implements getter and setter functions that are used to
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    customize settings shown in print dialogs, but it is not used directly.
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    Use QPrintDialog to display a print dialog in your application.
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    \sa QPrintDialog, QPrinter, {Printing with Qt}
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*/
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/*!
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    \enum QAbstractPrintDialog::PrintRange
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    Used to specify the print range selection option.
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    \value AllPages All pages should be printed.
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    \value Selection Only the selection should be printed.
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    \value PageRange The specified page range should be printed.
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    \value CurrentPage Only the currently visible page should be printed.
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    \sa QPrinter::PrintRange
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*/
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/*!
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    \enum QAbstractPrintDialog::PrintDialogOption
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    Used to specify which parts of the print dialog should be visible.
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    \value None None of the options are enabled.
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    \value PrintToFile The print to file option is enabled.
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    \value PrintSelection The print selection option is enabled.
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    \value PrintPageRange The page range selection option is enabled.
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    \value PrintShowPageSize  Show the page size + margins page only if this is enabled.
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    \value PrintCollateCopies The collate copies option is enabled
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    \value PrintCurrentPage The print current page option is enabled
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    This value is obsolete and does nothing since Qt 4.5:
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    \value DontUseSheet In previous versions of Qt, exec() the print dialog
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    would create a sheet by default the dialog was given a parent.
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    This is no longer supported in Qt 4.5.  If you want to use sheets, use
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    QPrintDialog::open() instead.
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*/
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/*!
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    Constructs an abstract print dialog for \a printer with \a parent
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    as parent widget.
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*/
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QAbstractPrintDialog::QAbstractPrintDialog(QPrinter *printer, QWidget *parent)
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    : QDialog(*(new QAbstractPrintDialogPrivate), parent)
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{
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    Q_D(QAbstractPrintDialog);
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    setWindowTitle(QCoreApplication::translate("QPrintDialog", "Print"));
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    d->setPrinter(printer);
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}
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/*!
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     \internal
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*/
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QAbstractPrintDialog::QAbstractPrintDialog(QAbstractPrintDialogPrivate &ptr,
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                                           QPrinter *printer,
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                                           QWidget *parent)
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    : QDialog(ptr, parent)
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{
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    Q_D(QAbstractPrintDialog);
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    setWindowTitle(QCoreApplication::translate("QPrintDialog", "Print"));
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    d->setPrinter(printer);
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}
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/*!
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    \internal
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*/
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QAbstractPrintDialog::~QAbstractPrintDialog()
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{
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    Q_D(QAbstractPrintDialog);
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    if (d->ownsPrinter)
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        delete d->printer;
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}
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/*!
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    Sets the given \a option to be enabled if \a on is true;
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    otherwise, clears the given \a option.
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    \sa options, testOption()
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*/
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void QPrintDialog::setOption(PrintDialogOption option, bool on)
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{
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    Q_D(QPrintDialog);
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    if (!(d->pd->options & option) != !on)
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        setOptions(d->pd->options ^ option);
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}
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/*!
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    Returns true if the given \a option is enabled; otherwise, returns
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    false.
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    \sa options, setOption()
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*/
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bool QPrintDialog::testOption(PrintDialogOption option) const
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{
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    Q_D(const QPrintDialog);
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    return (d->pd->options & option) != 0;
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}
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/*!
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    \property QPrintDialog::options
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    \brief the various options that affect the look and feel of the dialog
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    \since 4.5
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    By default, all options are disabled.
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    Options should be set before showing the dialog. Setting them while the
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    dialog is visible is not guaranteed to have an immediate effect on the
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    dialog (depending on the option and on the platform).
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    \sa setOption(), testOption()
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*/
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void QPrintDialog::setOptions(PrintDialogOptions options)
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{
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    Q_D(QPrintDialog);
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    PrintDialogOptions changed = (options ^ d->pd->options);
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    if (!changed)
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        return;
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    d->pd->options = options;
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}
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QPrintDialog::PrintDialogOptions QPrintDialog::options() const
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{
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    Q_D(const QPrintDialog);
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    return d->pd->options;
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}
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/*!
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    \obsolete
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    Use QPrintDialog::setOptions() instead.
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*/
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void QAbstractPrintDialog::setEnabledOptions(PrintDialogOptions options)
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{
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    Q_D(QAbstractPrintDialog);
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    d->pd->options = options;
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}
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/*!
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    \obsolete
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    Use QPrintDialog::setOption(\a option, true) instead.
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*/
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void QAbstractPrintDialog::addEnabledOption(PrintDialogOption option)
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{
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    Q_D(QAbstractPrintDialog);
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    d->pd->options |= option;
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}
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/*!
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    \obsolete
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    Use QPrintDialog::options() instead.
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*/
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QAbstractPrintDialog::PrintDialogOptions QAbstractPrintDialog::enabledOptions() const
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{
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    Q_D(const QAbstractPrintDialog);
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    return d->pd->options;
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}
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/*!
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    \obsolete
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    Use QPrintDialog::testOption(\a option) instead.
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*/
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bool QAbstractPrintDialog::isOptionEnabled(PrintDialogOption option) const
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{
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    Q_D(const QAbstractPrintDialog);
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    return d->pd->options & option;
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}
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/*!
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    Sets the print range option in to be \a range.
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 */
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void QAbstractPrintDialog::setPrintRange(PrintRange range)
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{
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    Q_D(QAbstractPrintDialog);
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    d->pd->printRange = range;
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}
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/*!
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    Returns the print range.
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*/
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QAbstractPrintDialog::PrintRange QAbstractPrintDialog::printRange() const
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{
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    Q_D(const QAbstractPrintDialog);
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    return d->pd->printRange;
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}
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/*!
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    Sets the page range in this dialog to be from \a min to \a max. This also
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    enables the PrintPageRange option.
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*/
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void QAbstractPrintDialog::setMinMax(int min, int max)
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{
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    Q_D(QAbstractPrintDialog);
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    Q_ASSERT_X(min <= max, "QAbstractPrintDialog::setMinMax",
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               "'min' must be less than or equal to 'max'");
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    d->pd->minPage = min;
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    d->pd->maxPage = max;
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    d->pd->options |= PrintPageRange;
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}
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/*!
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    Returns the minimum page in the page range.
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    By default, this value is set to 1.
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*/
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int QAbstractPrintDialog::minPage() const
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{
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    Q_D(const QAbstractPrintDialog);
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    return d->pd->minPage;
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}
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/*!
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    Returns the maximum page in the page range. As of Qt 4.4, this
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    function returns INT_MAX by default. Previous versions returned 1
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    by default.
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*/
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int QAbstractPrintDialog::maxPage() const
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{
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    Q_D(const QAbstractPrintDialog);
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    return d->pd->maxPage;
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}
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/*!
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    Sets the range in the print dialog to be from \a from to \a to.
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*/
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void QAbstractPrintDialog::setFromTo(int from, int to)
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{
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    Q_D(QAbstractPrintDialog);
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    Q_ASSERT_X(from <= to, "QAbstractPrintDialog::setFromTo",
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               "'from' must be less than or equal to 'to'");
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    d->pd->fromPage = from;
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    d->pd->toPage = to;
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    if (d->pd->minPage == 0 && d->pd->maxPage == 0)
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        setMinMax(1, to);
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}
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/*!
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    Returns the first page to be printed
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    By default, this value is set to 0.
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*/
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int QAbstractPrintDialog::fromPage() const
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{
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    Q_D(const QAbstractPrintDialog);
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    return d->pd->fromPage;
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}
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/*!
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    Returns the last page to be printed.
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    By default, this value is set to 0.
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*/
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int QAbstractPrintDialog::toPage() const
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{
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    Q_D(const QAbstractPrintDialog);
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    return d->pd->toPage;
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}
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/*!
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    Returns the printer that this printer dialog operates
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    on.
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*/
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QPrinter *QAbstractPrintDialog::printer() const
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{
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    Q_D(const QAbstractPrintDialog);
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    return d->printer;
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}
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void QAbstractPrintDialogPrivate::setPrinter(QPrinter *newPrinter)
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{
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    if (newPrinter) {
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        printer = newPrinter;
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        ownsPrinter = false;
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    } else {
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        printer = new QPrinter;
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        ownsPrinter = true;
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    }
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    pd = printer->d_func();
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}
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/*!
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    \fn int QAbstractPrintDialog::exec()
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    This virtual function is called to pop up the dialog. It must be
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    reimplemented in subclasses.
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*/
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/*!
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    \class QPrintDialog
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    \brief The QPrintDialog class provides a dialog for specifying
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    the printer's configuration.
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    \ingroup standard-dialogs
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    \ingroup printing
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    The dialog allows users to change document-related settings, such
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    as the paper size and orientation, type of print (color or
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    grayscale), range of pages, and number of copies to print.
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    Controls are also provided to enable users to choose from the
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    printers available, including any configured network printers.
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    Typically, QPrintDialog objects are constructed with a QPrinter
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    object, and executed using the exec() function.
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    \snippet doc/src/snippets/code/src_gui_dialogs_qabstractprintdialog.cpp 0
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    If the dialog is accepted by the user, the QPrinter object is
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    correctly configured for printing.
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    \raw HTML
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    <table align="center">
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    <tr><td>
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    \endraw
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    \inlineimage plastique-printdialog.png
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    \raw HTML
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    </td><td>
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    \endraw
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   389
    \inlineimage plastique-printdialog-properties.png
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    \raw HTML
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    </td></tr>
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   392
    </table>
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    \endraw
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   394
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   395
    The printer dialog (shown above in Plastique style) enables access to common
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   396
    printing properties. On X11 platforms that use the CUPS printing system, the
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   397
    settings for each available printer can be modified via the dialog's
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parents:
diff changeset
   398
    \gui{Properties} push button.
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parents:
diff changeset
   399
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   400
    On Windows and Mac OS X, the native print dialog is used, which means that
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parents:
diff changeset
   401
    some QWidget and QDialog properties set on the dialog won't be respected.
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parents:
diff changeset
   402
    The native print dialog on Mac OS X does not support setting printer options,
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   403
    i.e. setOptions() and setOption() have no effect.
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parents:
diff changeset
   404
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parents:
diff changeset
   405
    In Qt 4.4, it was possible to use the static functions to show a sheet on
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parents:
diff changeset
   406
    Mac OS X. This is no longer supported in Qt 4.5. If you want this
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parents:
diff changeset
   407
    functionality, use QPrintDialog::open().
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parents:
diff changeset
   408
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   409
    \sa QPageSetupDialog, QPrinter, {Pixelator Example}, {Order Form Example},
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   410
        {Image Viewer Example}, {Scribble Example}
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parents:
diff changeset
   411
*/
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parents:
diff changeset
   412
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parents:
diff changeset
   413
/*!
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diff changeset
   414
    \fn QPrintDialog::QPrintDialog(QPrinter *printer, QWidget *parent)
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   415
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   416
    Constructs a new modal printer dialog for the given \a printer
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parents:
diff changeset
   417
    with the given \a parent.
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diff changeset
   418
*/
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parents:
diff changeset
   419
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parents:
diff changeset
   420
/*!
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parents:
diff changeset
   421
    \fn QPrintDialog::~QPrintDialog()
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parents:
diff changeset
   422
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diff changeset
   423
    Destroys the print dialog.
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parents:
diff changeset
   424
*/
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parents:
diff changeset
   425
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parents:
diff changeset
   426
/*!
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parents:
diff changeset
   427
    \fn int QPrintDialog::exec()
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parents:
diff changeset
   428
    \reimp
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parents:
diff changeset
   429
*/
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parents:
diff changeset
   430
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parents:
diff changeset
   431
/*!
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parents:
diff changeset
   432
    \since 4.4
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parents:
diff changeset
   433
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parents:
diff changeset
   434
    Set a list of widgets as \a tabs to be shown on the print dialog, if supported.
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parents:
diff changeset
   435
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parents:
diff changeset
   436
    Currently this option is only supported on X11.
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parents:
diff changeset
   437
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parents:
diff changeset
   438
    Setting the option tabs will transfer their ownership to the print dialog.
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parents:
diff changeset
   439
*/
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parents:
diff changeset
   440
void QAbstractPrintDialog::setOptionTabs(const QList<QWidget*> &tabs)
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parents:
diff changeset
   441
{
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parents:
diff changeset
   442
    Q_D(QAbstractPrintDialog);
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parents:
diff changeset
   443
    d->setTabs(tabs);
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parents:
diff changeset
   444
}
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parents:
diff changeset
   445
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parents:
diff changeset
   446
/*!
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parents:
diff changeset
   447
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parents:
diff changeset
   448
    \fn void QPrintDialog::accepted(QPrinter *printer)
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parents:
diff changeset
   449
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parents:
diff changeset
   450
    This signal is emitted when the user accepts the values set in the print dialog.
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parents:
diff changeset
   451
    The \a printer parameter includes the printer that the settings were applied to.
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parents:
diff changeset
   452
*/
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parents:
diff changeset
   453
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parents:
diff changeset
   454
/*!
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parents:
diff changeset
   455
    \fn QPrinter *QPrintDialog::printer()
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parents:
diff changeset
   456
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parents:
diff changeset
   457
    Returns the printer that this printer dialog operates
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parents:
diff changeset
   458
    on. This can be useful when using the QPrintDialog::open() method.
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Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   459
*/
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parents:
diff changeset
   460
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parents:
diff changeset
   461
/*!
1918ee327afb Revision: 200952
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parents:
diff changeset
   462
  Closes the dialog and sets its result code to \a result. If this dialog
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   463
  is shown with exec(), done() causes the local event loop to finish,
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Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   464
  and exec() to return \a result.
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parents:
diff changeset
   465
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parents:
diff changeset
   466
  \sa QDialog::done()
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Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   467
*/
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parents:
diff changeset
   468
void QPrintDialog::done(int result)
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Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   469
{
1918ee327afb Revision: 200952
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parents:
diff changeset
   470
    Q_D(QPrintDialog);
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   471
    QDialog::done(result);
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   472
    if (result == Accepted)
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Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   473
        emit accepted(printer());
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parents:
diff changeset
   474
    if (d->receiverToDisconnectOnClose) {
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   475
        disconnect(this, SIGNAL(accepted(QPrinter*)),
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   476
                   d->receiverToDisconnectOnClose, d->memberToDisconnectOnClose);
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Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   477
        d->receiverToDisconnectOnClose = 0;
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parents:
diff changeset
   478
    }
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Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   479
    d->memberToDisconnectOnClose.clear();
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Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   480
}
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Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   481
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Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   482
/*!
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Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   483
    \since 4.5
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Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   484
    \overload
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Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   485
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Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   486
    Opens the dialog and connects its accepted() signal to the slot specified
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   487
    by \a receiver and \a member.
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   488
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Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   489
    The signal will be disconnected from the slot when the dialog is closed.
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Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   490
*/
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Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   491
void QPrintDialog::open(QObject *receiver, const char *member)
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{
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    Q_D(QPrintDialog);
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    connect(this, SIGNAL(accepted(QPrinter*)), receiver, member);
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    d->receiverToDisconnectOnClose = receiver;
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    d->memberToDisconnectOnClose = member;
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    QDialog::open();
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}
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QT_END_NAMESPACE
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#endif // QT_NO_PRINTDIALOG