Fix QSettings documentation

QMainWindow::saveGeometry()/restoreGeometry() should be used
to save and restore geometries instead of saving pos/size
since it also works in multiscreen settings.

Pick-to: 6.1
Change-Id: I27cc5ec13e69266367f035796e208d214f84b043
Reviewed-by: Volker Hilsheimer <volker.hilsheimer@qt.io>

1 files changed, 6 insertions, 4 deletions

diff --git a/src/corelib/doc/snippets/settings/settings.cpp b/src/corelib/doc/snippets/settings/settings.cpp
index 49312b9cfc..a3491d8c76 100644
--- a/src/corelib/doc/snippets/settings/settings.cpp
+++ b/src/corelib/doc/snippets/settings/settings.cpp
@@ -152,8 +152,7 @@ void MainWindow::writeSettings()
     QSettings settings("Moose Soft", "Clipper");
 
     settings.beginGroup("MainWindow");
-    settings.setValue("size", size());
-    settings.setValue("pos", pos());
+    settings.setValue("geometry", saveGeometry());
     settings.endGroup();
 }
 //! [16]
@@ -164,8 +163,11 @@ void MainWindow::readSettings()
     QSettings settings("Moose Soft", "Clipper");
 
     settings.beginGroup("MainWindow");
-    resize(settings.value("size", QSize(400, 400)).toSize());
-    move(settings.value("pos", QPoint(200, 200)).toPoint());
+    const auto geometry = settings.value("geometry", QByteArray()).toByteArray();
+    if (geometry.isEmpty())
+        setGeometry(200, 200, 400, 400);
+    else
+        restoreGeometry(geometry)
     settings.endGroup();
 }
 //! [17]