qabstractprintdialog.cpp

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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
 
#include "qabstractprintdialog_p.h"
#include "qcoreapplication.h"
#include "qprintdialog.h"
#include "qprinter.h"
#include "private/qprinter_p.h"
 
QT_BEGIN_NAMESPACE
 
QAbstractPrintDialog::QAbstractPrintDialog(QPrinter *printer, QWidget *parent)
    : QDialog(*(new QAbstractPrintDialogPrivate), parent)
{
    Q_D(QAbstractPrintDialog);
    setWindowTitle(QCoreApplication::translate("QPrintDialog", "Print"));
    d->setPrinter(printer);
    d->minPage = printer->fromPage();
    int to = printer->toPage();
    d->maxPage = to > 0 ? to : INT_MAX;
}
 
QAbstractPrintDialog::QAbstractPrintDialog(QAbstractPrintDialogPrivate &ptr,
                                           QPrinter *printer,
                                           QWidget *parent)
    : QDialog(ptr, parent)
{
    Q_D(QAbstractPrintDialog);
    setWindowTitle(QCoreApplication::translate("QPrintDialog", "Print"));
    d->setPrinter(printer);
}
 
QAbstractPrintDialog::~QAbstractPrintDialog()
{
    Q_D(QAbstractPrintDialog);
    if (d->ownsPrinter)
        delete d->printer;
}
 
void QPrintDialog::setOption(PrintDialogOption option, bool on)
{
    auto *d = static_cast<QAbstractPrintDialogPrivate *>(d_ptr.data());
    if (!(d->options & option) != !on)
        setOptions(d->options ^ option);
}
 
bool QPrintDialog::testOption(PrintDialogOption option) const
{
    auto *d = static_cast<const QAbstractPrintDialogPrivate *>(d_ptr.data());
    return (d->options & option) != 0;
}
 
void QPrintDialog::setOptions(PrintDialogOptions options)
{
    auto *d = static_cast<QAbstractPrintDialogPrivate *>(d_ptr.data());
 
    PrintDialogOptions changed = (options ^ d->options);
    if (!changed)
        return;
 
    d->options = options;
}
 
QPrintDialog::PrintDialogOptions QPrintDialog::options() const
{
    auto *d = static_cast<const QAbstractPrintDialogPrivate *>(d_ptr.data());
    return d->options;
}
 
void QAbstractPrintDialog::setPrintRange(PrintRange range)
{
    Q_D(QAbstractPrintDialog);
    d->printer->setPrintRange(QPrinter::PrintRange(range));
}
 
QAbstractPrintDialog::PrintRange QAbstractPrintDialog::printRange() const
{
    Q_D(const QAbstractPrintDialog);
    return QAbstractPrintDialog::PrintRange(d->pd->printRange);
}
 
void QAbstractPrintDialog::setMinMax(int min, int max)
{
    Q_D(QAbstractPrintDialog);
    Q_ASSERT_X(min <= max, "QAbstractPrintDialog::setMinMax",
               "'min' must be less than or equal to 'max'");
    d->minPage = min;
    d->maxPage = max;
    d->options |= PrintPageRange;
}
 
int QAbstractPrintDialog::minPage() const
{
    Q_D(const QAbstractPrintDialog);
    return d->minPage;
}
 
int QAbstractPrintDialog::maxPage() const
{
    Q_D(const QAbstractPrintDialog);
    return d->maxPage;
}
 
void QAbstractPrintDialog::setFromTo(int from, int to)
{
    Q_D(QAbstractPrintDialog);
    Q_ASSERT_X(from <= to, "QAbstractPrintDialog::setFromTo",
               "'from' must be less than or equal to 'to'");
    d->printer->setFromTo(from, to);
 
    if (d->minPage == 0 && d->maxPage == 0)
        setMinMax(1, to);
}
 
int QAbstractPrintDialog::fromPage() const
{
    Q_D(const QAbstractPrintDialog);
    return d->printer->fromPage();
}
 
int QAbstractPrintDialog::toPage() const
{
    Q_D(const QAbstractPrintDialog);
    return d->printer->toPage();
}
 
 
QPrinter *QAbstractPrintDialog::printer() const
{
    Q_D(const QAbstractPrintDialog);
    return d->printer;
}
 
void QAbstractPrintDialogPrivate::setPrinter(QPrinter *newPrinter)
{
    if (newPrinter) {
        printer = newPrinter;
        ownsPrinter = false;
        if (printer->fromPage() || printer->toPage())
            options |= QAbstractPrintDialog::PrintPageRange;
    } else {
        printer = new QPrinter;
        ownsPrinter = true;
    }
    pd = printer->d_func();
}
 
void QAbstractPrintDialog::setOptionTabs(const QList<QWidget*> &tabs)
{
    Q_D(QAbstractPrintDialog);
    d->setTabs(tabs);
}
 
void QPrintDialog::done(int result)
{
    auto *d = static_cast<QAbstractPrintDialogPrivate *>(d_ptr.data());
    QDialog::done(result);
    if (result == Accepted)
        emit accepted(printer());
    if (d->receiverToDisconnectOnClose) {
        disconnect(this, SIGNAL(accepted(QPrinter*)),
                   d->receiverToDisconnectOnClose, d->memberToDisconnectOnClose);
        d->receiverToDisconnectOnClose = nullptr;
    }
    d->memberToDisconnectOnClose.clear();
}
 
void QPrintDialog::open(QObject *receiver, const char *member)
{
    auto *d = static_cast<QAbstractPrintDialogPrivate *>(d_ptr.data());
    connect(this, SIGNAL(accepted(QPrinter*)), receiver, member);
    d->receiverToDisconnectOnClose = receiver;
    d->memberToDisconnectOnClose = member;
    QDialog::open();
}
 
QT_END_NAMESPACE
 
#include "moc_qabstractprintdialog.cpp"