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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 "qpagesetupdialog.h"
#include <qapplication.h>
#include <private/qprintengine_win_p.h>
#include "qpagesetupdialog_p.h"
#include "qprinter.h"
#include <qpa/qplatformnativeinterface.h>
QT_BEGIN_NAMESPACE
QPageSetupDialog::QPageSetupDialog(QPrinter *printer, QWidget *parent)
: QDialog(*(new QPageSetupDialogPrivate(printer)), parent)
{
setWindowTitle(QCoreApplication::translate("QPrintPreviewDialog", "Page Setup"));
setAttribute(Qt::WA_DontShowOnScreen);
}
QPageSetupDialog::QPageSetupDialog(QWidget *parent)
: QDialog(*(new QPageSetupDialogPrivate(0)), parent)
{
setWindowTitle(QCoreApplication::translate("QPrintPreviewDialog", "Page Setup"));
setAttribute(Qt::WA_DontShowOnScreen);
}
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 (!engine->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 = engine->globalDevMode();
}
HGLOBAL *tempDevNames = engine->createGlobalDevNames();
psd.hDevNames = tempDevNames;
QWidget *parent = parentWidget();
parent = parent ? parent->window() : QApplication::activeWindow();
Q_ASSERT(!parent ||parent->testAttribute(Qt::WA_WState_Created));
QWindow *parentWindow = parent ? parent->windowHandle() : 0;
psd.hwndOwner = parentWindow ? (HWND)QGuiApplication::platformNativeInterface()->nativeResourceForWindow("handle", parentWindow) : 0;
psd.Flags = PSD_MARGINS;
QPageLayout layout = d->printer->pageLayout();
switch (layout.units()) {
case QPageLayout::Millimeter:
case QPageLayout::Inch:
break;
case QPageLayout::Point:
case QPageLayout::Pica:
case QPageLayout::Didot:
case QPageLayout::Cicero:
layout.setUnits(QLocale::system().measurementSystem() == QLocale::MetricSystem ? QPageLayout::Millimeter
: QPageLayout::Inch);
break;
}
qreal multiplier = 1.0;
if (layout.units() == QPageLayout::Millimeter) {
psd.Flags |= PSD_INHUNDREDTHSOFMILLIMETERS;
multiplier = 100.0;
} else { // QPageLayout::Inch)
psd.Flags |= PSD_INTHOUSANDTHSOFINCHES;
multiplier = 1000.0;
}
psd.rtMargin.left = layout.margins().left() * multiplier;
psd.rtMargin.top = layout.margins().top() * multiplier;
psd.rtMargin.right = layout.margins().right() * multiplier;
psd.rtMargin.bottom = layout.margins().bottom() * multiplier;
QDialog::setVisible(true);
bool result = PageSetupDlg(&psd);
QDialog::setVisible(false);
if (result) {
engine->setGlobalDevMode(psd.hDevNames, psd.hDevMode);
QPageSize pageSize;
// try to read orientation and paper size ID from the dialog's devmode struct
if (psd.hDevMode) {
DEVMODE *rDevmode = reinterpret_cast<DEVMODE*>(GlobalLock(psd.hDevMode));
if (rDevmode->dmFields & DM_ORIENTATION) {
layout.setOrientation(rDevmode->dmOrientation == DMORIENT_PORTRAIT
? QPageLayout::Portrait : QPageLayout::Landscape);
}
if (rDevmode->dmFields & DM_PAPERSIZE)
pageSize = QPageSize::id(rDevmode->dmPaperSize);
GlobalUnlock(rDevmode);
}
// fall back to use our own matching, and assume that paper that's wider than long means landscape
if (!pageSize.isValid() || pageSize.id() == QPageSize::Custom) {
QSizeF unitSize(psd.ptPaperSize.x / multiplier, psd.ptPaperSize.y / multiplier);
if (unitSize.width() > unitSize.height()) {
layout.setOrientation(QPageLayout::Landscape);
unitSize.transpose();
} else {
layout.setOrientation(QPageLayout::Portrait);
}
pageSize = QPageSize(unitSize, layout.units() == QPageLayout::Inch
? QPageSize::Inch : QPageSize::Millimeter);
}
layout.setPageSize(pageSize);
const QMarginsF margins(psd.rtMargin.left, psd.rtMargin.top, psd.rtMargin.right, psd.rtMargin.bottom);
layout.setMargins(margins / multiplier);
d->printer->setPageLayout(layout);
// copy from our temp DEVMODE struct
if (!engine->globalDevMode() && hDevMode) {
// Make sure memory is allocated
if (ep->ownsDevMode && ep->devMode)
free(ep->devMode);
ep->devMode = (DEVMODE *) malloc(devModeSize);
ep->ownsDevMode = true;
// Copy
void *src = GlobalLock(hDevMode);
memcpy(ep->devMode, src, devModeSize);
GlobalUnlock(hDevMode);
}
}
if (!engine->globalDevMode() && hDevMode)
GlobalFree(hDevMode);
GlobalFree(tempDevNames);
done(result);
return result;
}
void QPageSetupDialog::setVisible(bool visible)
{
if (!visible)
return;
exec();
}
QT_END_NAMESPACE
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