QDebug operator<<(QDebug dbg, const QPageLayout &layout)
{
QDebugStateSaver saver(dbg);
if (layout.isValid()) {
QString output = QStringLiteral("QPageLayout(%1, %2, l:%3 r:%4 t:%5 b:%6 %7)");
QString units;
switch (layout.units()) {
case QPageLayout::Millimeter:
units = QStringLiteral("mm");
break;
case QPageLayout::Point:
units = QStringLiteral("pt");
break;
case QPageLayout::Inch:
units = QStringLiteral("in");
break;
case QPageLayout::Pica:
units = QStringLiteral("pc");
break;
case QPageLayout::Didot:
units = QStringLiteral("DD");
break;
case QPageLayout::Cicero:
units = QStringLiteral("CC");
break;
}
output = output.arg(layout.pageSize().name())
.arg(layout.orientation() == QPageLayout::Portrait ? QStringLiteral("Portrait") : QStringLiteral("Landscape"))
.arg(layout.margins().left())
.arg(layout.margins().right())
.arg(layout.margins().top())
.arg(layout.margins().bottom())
.arg(units);
dbg.nospace() << output;
} else {
dbg.nospace() << "QPageLayout()";
}
return dbg;
}
bool QPlatformPrintDevice::isValidPageLayout(const QPageLayout &layout, int resolution) const
{
// Check the page size is supported
if (!supportedPageSize(layout.pageSize()).isValid())
return false;
// Check the margins are valid
QMarginsF pointMargins = layout.margins(QPageLayout::Point);
QMarginsF printMargins = printableMargins(layout.pageSize(), layout.orientation(), resolution);
return pointMargins.left() >= printMargins.left()
&& pointMargins.right() >= printMargins.right()
&& pointMargins.top() >= printMargins.top()
&& pointMargins.bottom() >= printMargins.bottom();
}
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->windowHandle();
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);
const QMarginsF margins(psd.rtMargin.left, psd.rtMargin.top, psd.rtMargin.right, psd.rtMargin.bottom);
d->printer->setPageMargins(margins / multiplier, layout.units());
// copy from our temp DEVMODE struct
if (!engine->globalDevMode() && hDevMode) {
void *src = GlobalLock(hDevMode);
memcpy(ep->devMode, src, devModeSize);
GlobalUnlock(hDevMode);
}
}
if (!engine->globalDevMode() && hDevMode)
GlobalFree(hDevMode);
GlobalFree(tempDevNames);
done(result);
return result;
}