Remove the 'sdi' example

It is essentially the same as the other mainwindow examples, showing
how to create a text editor. The only special code here is the tiling of
the different main windows, which - without any documentation or
explanation - is neither very helpful, nor relevant in 2023.

Pick-to: 6.5
Change-Id: I48b92b1cf057f586e0d2842d1c0a3312154e9a13
Reviewed-by: Axel Spoerl <axel.spoerl@qt.io>

1 files changed, 0 insertions, 37 deletions

diff --git a/examples/widgets/mainwindows/sdi/main.cpp b/examples/widgets/mainwindows/sdi/main.cpp
deleted file mode 100644
index 139bc45690..0000000000
--- a/examples/widgets/mainwindows/sdi/main.cpp
+++ /dev/null
@@ -1,37 +0,0 @@
-// Copyright (C) 2016 The Qt Company Ltd.
-// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
-
-#include <QApplication>
-#include <QCommandLineParser>
-
-#include "mainwindow.h"
-
-int main(int argc, char *argv[])
-{
-    Q_INIT_RESOURCE(sdi);
-    QApplication app(argc, argv);
-    QCoreApplication::setApplicationName("SDI Example");
-    QCoreApplication::setOrganizationName("QtProject");
-    QCoreApplication::setApplicationVersion(QT_VERSION_STR);
-    QCommandLineParser parser;
-    parser.setApplicationDescription(QCoreApplication::applicationName());
-    parser.addHelpOption();
-    parser.addVersionOption();
-    parser.addPositionalArgument("file", "The file(s) to open.");
-    parser.process(app);
-
-    MainWindow *mainWin = nullptr;
-    const QStringList posArgs = parser.positionalArguments();
-    for (const QString &file : posArgs) {
-        MainWindow *newWin = new MainWindow(file);
-        newWin->tile(mainWin);
-        newWin->show();
-        mainWin = newWin;
-    }
-
-    if (!mainWin)
-        mainWin = new MainWindow;
-    mainWin->show();
-
-    return app.exec();
-}