QmlDesigner: QmlPuppet as standalone tool

The qmlpuppet is now a standalone tool. There is new a library too with
the communication code. That is shared between the designer and the
puppet. It's in a .cmake file so it can be included by the standalone
tool if it is not part of a designer build.

Task-number: QDS-5879
Change-Id: I2bc2a0b463fbb3e0c8c23d182abfd368cf87e968
Reviewed-by: Thomas Hartmann <thomas.hartmann@qt.io>
Reviewed-by: <github-actions-qt-creator@cristianadam.eu>
Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org>

src/libs/qmlpuppetcommunication/commands/view3dactioncommand.cpp

@@ -0,0 +1,79 @@
+// Copyright (C) 2020 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0 WITH Qt-GPL-exception-1.0
+
+#include "view3dactioncommand.h"
+
+#include <QDebug>
+#include <QDataStream>
+
+namespace QmlDesigner {
+
+View3DActionCommand::View3DActionCommand(View3DActionType type, const QVariant &value)
+    : m_type(type)
+    , m_value(value)
+{
+}
+
+bool View3DActionCommand::isEnabled() const
+{
+    return m_value.toBool();
+}
+
+QVariant View3DActionCommand::value() const
+{
+    return m_value;
+}
+
+View3DActionType View3DActionCommand::type() const
+{
+    return m_type;
+}
+
+int View3DActionCommand::position() const
+{
+    bool ok = false;
+    int result = m_value.toInt(&ok);
+    if (!ok) {
+        qWarning() << "View3DActionCommand: returning a position that is not int; command type = "
+                   << m_type;
+    }
+
+    return result;
+}
+
+QDataStream &operator<<(QDataStream &out, const View3DActionCommand &command)
+{
+    out << command.value();
+    out << command.type();
+
+    return out;
+}
+
+QDataStream &operator>>(QDataStream &in, View3DActionCommand &command)
+{
+    in >> command.m_value;
+    in >> command.m_type;
+
+    return in;
+}
+
+QDebug operator<<(QDebug debug, const View3DActionCommand &command)
+{
+    return debug.nospace() << "View3DActionCommand(type: "
+                           << command.m_type << ","
+                           << command.m_value << ")\n";
+}
+
+template<typename Enumeration>
+constexpr std::underlying_type_t<Enumeration> to_underlying(Enumeration enumeration) noexcept
+{
+    static_assert(std::is_enum_v<Enumeration>, "to_underlying expect an enumeration");
+    return static_cast<std::underlying_type_t<Enumeration>>(enumeration);
+}
+
+QDebug operator<<(QDebug debug, View3DActionType type)
+{
+    return debug.nospace() << to_underlying(type);
+}
+
+} // namespace QmlDesigner