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Doc: Adjust widget printing example to not use removed functions 

QPrinter::pageRect() and paperRect() were deprecated in Qt5 and removed
in Qt6 without adjusting the snippet.

Change-Id: I7787283ccfeeb94bccf464bfee2bcf82f5d3d930
Reviewed-by: Volker Hilsheimer <volker.hilsheimer@qt.io>
bb10
Christian Ehrlicher 2022-07-11 20:48:29 +02:00
parent 1d947bf6a4
commit 78a574f028
1 changed files with 9 additions and 7 deletions
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16
src/printsupport/doc/snippets/widgetprinting.cpp
View File

@ -39,13 +39,16 @@ private slots:
//! [0]
QPainter painter;
painter.begin(&printer);
double xscale = printer.pageRect().width() / double(myWidget->width());
double yscale = printer.pageRect().height() / double(myWidget->height());
const auto pageLayout = printer.pageLayout();
const auto pageRect = pageLayout.paintRectPixels(printer.resolution());
const auto paperRect = pageLayout.fullRectPixels(printer.resolution());
double xscale = pageRect.width() / double(myWidget->width());
double yscale = pageRect.height() / double(myWidget->height());
double scale = qMin(xscale, yscale);
painter.translate(printer.paperRect().x() + printer.pageRect().width()/2,
printer.paperRect().y() + printer.pageRect().height()/2);
painter.translate(pageRect.x() + paperRect.width() / 2.,
pageRect.y() + paperRect.height() / 2.);
painter.scale(scale, scale);
painter.translate(-width()/2, -height()/2);
painter.translate(-myWidget->width() / 2., -myWidget->height() / 2.);
myWidget->render(&painter);
//! [0]
@ -62,9 +65,8 @@ private slots:
dialog.setWindowTitle(tr("Print Document"));
if (editor->textCursor().hasSelection())
dialog.addEnabledOption(QAbstractPrintDialog::PrintSelection);
if (dialog.exec() != QDialog::Accepted) {
if (dialog.exec() != QDialog::Accepted)
return;
}
//! [1]
editor->print(&printer);
#endif