examples: Remove shell example

We did not document it anywhere, the code is rather dated, and if we
want to promote QML as a scripting engine/an interpreter, we would need
to invest quite a bit more effort into a showcase.

Thus, remove the example for now.

Pick-to: 6.5
Task-number: QTBUG-110649
Change-Id: Ie23b26379e7ea72271d793a6928a3757cde2cb12
Reviewed-by: Ulf Hermann <ulf.hermann@qt.io>

examples/qml/CMakeLists.txt

@@ -3,7 +3,6 @@
 
 add_subdirectory(referenceexamples)
 add_subdirectory(tutorials)
-qt_internal_add_example(shell)
 if(TARGET Qt::Quick)
     qt_internal_add_example(qmlextensionplugins)
     if (TARGET Qt::lupdate)

examples/qml/qml.pro

@@ -8,8 +8,7 @@ qtHaveModule(quick) {
 
 SUBDIRS += \
           referenceexamples \
-          tutorials \
+          tutorials
-          shell
 
 EXAMPLE_FILES = \
     dynamicscene \

examples/qml/shell/CMakeLists.txt

@@ -1,47 +0,0 @@
-# Copyright (C) 2022 The Qt Company Ltd.
-# SPDX-License-Identifier: BSD-3-Clause
-
-cmake_minimum_required(VERSION 3.16)
-project(shell LANGUAGES CXX)
-
-set(CMAKE_AUTOMOC ON)
-
-if(NOT DEFINED INSTALL_EXAMPLESDIR)
-    set(INSTALL_EXAMPLESDIR "examples")
-endif()
-
-set(INSTALL_EXAMPLEDIR "${INSTALL_EXAMPLESDIR}/qml/shell")
-
-find_package(Qt6 REQUIRED COMPONENTS Core Qml)
-
-qt_add_executable(shell
-    main.cpp
-)
-
-set_target_properties(shell PROPERTIES
-    WIN32_EXECUTABLE TRUE
-    MACOSX_BUNDLE TRUE
-)
-
-target_link_libraries(shell PUBLIC
-    Qt::Core
-    Qt::Qml
-)
-
-if(WIN32)
-    set_target_properties(shell PROPERTIES
-        WIN32_EXECUTABLE FALSE
-    )
-endif()
-
-if(APPLE)
-    set_target_properties(shell PROPERTIES
-        MACOSX_BUNDLE FALSE
-    )
-endif()
-
-install(TARGETS shell
-    RUNTIME DESTINATION "${INSTALL_EXAMPLEDIR}"
-    BUNDLE DESTINATION "${INSTALL_EXAMPLEDIR}"
-    LIBRARY DESTINATION "${INSTALL_EXAMPLEDIR}"
-)

examples/qml/shell/main.cpp

@@ -1,116 +0,0 @@
-// Copyright (C) 2017 The Qt Company Ltd.
-// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
-
-
-#include <QtCore/qfile.h>
-#include <QtCore/qtextstream.h>
-#include <QtCore/qstringlist.h>
-#include <QtCore/qscopedpointer.h>
-
-#include <QtCore/QCoreApplication>
-
-#include <QtQml/qjsengine.h>
-
-#include <stdlib.h>
-
-
-class CommandInterface : public QObject
-{
-    Q_OBJECT
-public:
-    Q_INVOKABLE void quit() { m_wantsToQuit = true; }
-    static bool wantsToQuit() { return m_wantsToQuit; }
-private:
-    static bool m_wantsToQuit;
-};
-
-bool CommandInterface::m_wantsToQuit = false;
-
-
-static void interactive(QJSEngine *eng)
-{
-    QTextStream qin(stdin, QFile::ReadOnly);
-    const char *prompt = "qs> ";
-
-    forever {
-        QString line;
-
-        printf("%s", prompt);
-        fflush(stdout);
-
-        line = qin.readLine();
-        if (line.isNull())
-            break;
-
-        if (line.trimmed().isEmpty())
-            continue;
-
-        line += QLatin1Char('\n');
-
-        QJSValue result = eng->evaluate(line, QLatin1String("typein"));
-
-        fprintf(stderr, "%s\n", qPrintable(result.toString()));
-
-        if (CommandInterface::wantsToQuit())
-            break;
-    }
-}
-
-int main(int argc, char *argv[])
-{
-    QCoreApplication app(argc, argv);
-    QScopedPointer<QJSEngine> eng(new QJSEngine());
-    {
-        QJSValue globalObject = eng->globalObject();
-        QJSValue interface = eng->newQObject(new CommandInterface);
-        globalObject.setProperty("qt", interface);
-    }
-
-    if (! *++argv) {
-        interactive(eng.data());
-        return EXIT_SUCCESS;
-    }
-
-    while (const char *arg = *argv++) {
-        QString fileName = QString::fromLocal8Bit(arg);
-
-        if (fileName == QLatin1String("-i")) {
-            interactive(eng.data());
-            break;
-        }
-
-        QString contents;
-        int lineNumber = 1;
-
-        if (fileName == QLatin1String("-")) {
-            QTextStream stream(stdin, QFile::ReadOnly);
-            contents = stream.readAll();
-        } else {
-            QFile file(fileName);
-            if (file.open(QFile::ReadOnly)) {
-                QTextStream stream(&file);
-                contents = stream.readAll();
-                file.close();
-
-                // strip off #!/usr/bin/env qjs line
-                if (contents.startsWith("#!")) {
-                    contents.remove(0, contents.indexOf("\n"));
-                    ++lineNumber;
-                }
-            }
-        }
-
-        if (contents.isEmpty())
-            continue;
-
-        QJSValue result = eng->evaluate(contents, fileName, lineNumber);
-        if (result.isError()) {
-            fprintf (stderr, "    %s\n\n", qPrintable(result.toString()));
-            return EXIT_FAILURE;
-        }
-    }
-
-    return EXIT_SUCCESS;
-}
-
-#include <main.moc>

examples/qml/shell/shell.pro

@@ -1,9 +0,0 @@
-QT = core qml
-
-win32: CONFIG += console
-mac:CONFIG -= app_bundle
-
-SOURCES += main.cpp
-
-target.path = $$[QT_INSTALL_EXAMPLES]/qml/shell
-INSTALLS += target