qt6-bb10/src/printsupport/dialogs/qpagesetupdialog_win.cpp

/****************************************************************************
**
** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/
**
** This file is part of the QtGui module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** GNU Lesser General Public License Usage
** This file may be used under the terms of the GNU Lesser General Public
** License version 2.1 as published by the Free Software Foundation and
** appearing in the file LICENSE.LGPL included in the packaging of this
** file. Please review the following information to ensure the GNU Lesser
** General Public License version 2.1 requirements will be met:
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU General
** Public License version 3.0 as published by the Free Software Foundation
** and appearing in the file LICENSE.GPL included in the packaging of this
** file. Please review the following information to ensure the GNU General
** Public License version 3.0 requirements will be met:
** http://www.gnu.org/copyleft/gpl.html.
**
** 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 "qpagesetupdialog.h"

#ifndef QT_NO_PRINTDIALOG
#include <qapplication.h>

#include "../kernel/qprintengine_win_p.h"
#include "qabstractpagesetupdialog_p.h"
#include "qprinter.h"
#include <QtGui/qplatformnativeinterface_qpa.h>

QT_BEGIN_NAMESPACE

class QPageSetupDialogPrivate : public QAbstractPageSetupDialogPrivate
{
};

QPageSetupDialog::QPageSetupDialog(QPrinter *printer, QWidget *parent)
    : QAbstractPageSetupDialog(*(new QPageSetupDialogPrivate), printer, parent)
{
}

QPageSetupDialog::QPageSetupDialog(QWidget *parent)
    : QAbstractPageSetupDialog(*(new QPageSetupDialogPrivate), 0, parent)
{
}

int QPageSetupDialog::exec()
{
    Q_D(QPageSetupDialog);

    if (d->printer->outputFormat() != QPrinter::NativeFormat)
        return Rejected;

    QWin32PrintEngine *engine = static_cast<QWin32PrintEngine*>(d->printer->paintEngine());
    QWin32PrintEnginePrivate *ep = static_cast<QWin32PrintEnginePrivate *>(engine->d_ptr.data());

    PAGESETUPDLG psd;
    memset(&psd, 0, sizeof(PAGESETUPDLG));
    psd.lStructSize = sizeof(PAGESETUPDLG);

    // we need a temp DEVMODE struct if we don't have a global DEVMODE
    HGLOBAL hDevMode = 0;
    int devModeSize = 0;
    if (!ep->globalDevMode) {
        devModeSize = sizeof(DEVMODE) + ep->devMode->dmDriverExtra;
        hDevMode = GlobalAlloc(GHND, devModeSize);
        if (hDevMode) {
            void *dest = GlobalLock(hDevMode);
            memcpy(dest, ep->devMode, devModeSize);
            GlobalUnlock(hDevMode);
        }
        psd.hDevMode = hDevMode;
    } else {
        psd.hDevMode = ep->devMode;
    }

    HGLOBAL *tempDevNames = ep->createDevNames();
    psd.hDevNames = tempDevNames;

    QWidget *parent = parentWidget();
    parent = parent ? parent->window() : QApplication::activeWindow();
    Q_ASSERT(!parent ||parent->testAttribute(Qt::WA_WState_Created));

    QWindow *parentWindow = parent->windowHandle();
    psd.hwndOwner = parentWindow ? (HWND)QGuiApplication::platformNativeInterface()->nativeResourceForWindow("handle", parentWindow) : 0;

    psd.Flags = PSD_MARGINS;
    double multiplier = 1;
    switch (QLocale::system().measurementSystem()) {
    case QLocale::MetricSystem:
        psd.Flags |= PSD_INHUNDREDTHSOFMILLIMETERS;
        multiplier = 1;
        break;
    case QLocale::ImperialSystem:
        psd.Flags |= PSD_INTHOUSANDTHSOFINCHES;
        multiplier = 25.4/10;
        break;
    }

    QRect marginRect = ep->getPageMargins();
    psd.rtMargin.left   = marginRect.left()   / multiplier;
    psd.rtMargin.top    = marginRect.top()    / multiplier;
    psd.rtMargin.right  = marginRect.width()  / multiplier;;
    psd.rtMargin.bottom = marginRect.height() / multiplier;;

    bool result = PageSetupDlg(&psd);
    if (result) {
        ep->readDevnames(psd.hDevNames);
        ep->readDevmode(psd.hDevMode);

        QRect theseMargins = QRect(psd.rtMargin.left   * multiplier,
                                   psd.rtMargin.top    * multiplier,
                                   psd.rtMargin.right  * multiplier,
                                   psd.rtMargin.bottom * multiplier);

        if (theseMargins != marginRect) {
            ep->setPageMargins(psd.rtMargin.left   * multiplier,
                               psd.rtMargin.top    * multiplier,
                               psd.rtMargin.right  * multiplier,
                               psd.rtMargin.bottom * multiplier);
        }

        ep->updateCustomPaperSize();

        // copy from our temp DEVMODE struct
        if (!ep->globalDevMode && hDevMode) {
            void *src = GlobalLock(hDevMode);
            memcpy(ep->devMode, src, devModeSize);
            GlobalUnlock(hDevMode);
        }
    }

    if (!ep->globalDevMode && hDevMode)
        GlobalFree(hDevMode);
    GlobalFree(tempDevNames);
    done(result);
    return result;
}

void QPageSetupDialog::setVisible(bool visible)
{
    if (!visible)
        return;
    exec();
}

QT_END_NAMESPACE
#endif