QmlDesigner: Preview size is now changeable

You can now change the preview size with
rootModelNode.setAuxiliaryData("previewSize@Internal", size);
If size is null it will use the bounding box size.

Change-Id: Icbe747ccc5a2e26e79783825d2ed94ecc640012b
Reviewed-by: Michael Winkelmann <michael.winkelmann@qt.io>
Reviewed-by: Thomas Hartmann <thomas.hartmann@qt.io>

share/qtcreator/qml/qmlpuppet/commands/changelanguagecommand.h

@@ -32,9 +32,6 @@ namespace QmlDesigner {
 
 class ChangeLanguageCommand
 {
-public:
-    friend QDataStream &operator>>(QDataStream &in, ChangeLanguageCommand &command);
-
 public:
     ChangeLanguageCommand() = default;
     ChangeLanguageCommand(const QString &language)

share/qtcreator/qml/qmlpuppet/commands/changepreviewimagesizecommand.cpp

@@ -0,0 +1,44 @@
+/****************************************************************************
+**
+** Copyright (C) 2020 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of Qt Creator.
+**
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 as published by the Free Software
+** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
+**
+****************************************************************************/
+#include "changepreviewimagesizecommand.h"
+
+namespace QmlDesigner {
+
+QDataStream &operator<<(QDataStream &out, const ChangePreviewImageSizeCommand &command)
+{
+    return out << command.size;
+}
+
+QDataStream &operator>>(QDataStream &in, ChangePreviewImageSizeCommand &command)
+{
+    return in >> command.size;
+}
+
+QDebug operator<<(QDebug debug, const ChangePreviewImageSizeCommand &command)
+{
+    return debug.nospace() << "ChangePreviewImageSizeCommand(" << command.size << ")";
+}
+
+} // namespace QmlDesigner

share/qtcreator/qml/qmlpuppet/commands/changepreviewimagesizecommand.h

@@ -0,0 +1,50 @@
+/****************************************************************************
+**
+** Copyright (C) 2020 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of Qt Creator.
+**
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 as published by the Free Software
+** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
+**
+****************************************************************************/
+#pragma once
+
+#include <QMetaType>
+#include <QSize>
+
+namespace QmlDesigner {
+
+class ChangePreviewImageSizeCommand
+{
+public:
+    ChangePreviewImageSizeCommand() = default;
+    ChangePreviewImageSizeCommand(const QSize &size)
+        : size(size)
+    {}
+
+    friend QDataStream &operator<<(QDataStream &out, const ChangePreviewImageSizeCommand &command);
+    friend QDataStream &operator>>(QDataStream &in, ChangePreviewImageSizeCommand &command);
+    friend QDebug operator<<(QDebug debug, const ChangePreviewImageSizeCommand &command);
+
+public:
+    QSize size;
+};
+
+} // namespace QmlDesigner
+
+Q_DECLARE_METATYPE(QmlDesigner::ChangePreviewImageSizeCommand)

share/qtcreator/qml/qmlpuppet/commands/commands.pri

@@ -1,6 +1,7 @@
 INCLUDEPATH += $$PWD/
 
-HEADERS += $$PWD/synchronizecommand.h
+HEADERS += $$PWD/synchronizecommand.h \
+HEADERS += $$PWD/changepreviewimagesizecommand.h
 HEADERS += $$PWD/changelanguagecommand.h
 HEADERS += $$PWD//debugoutputcommand.h
 HEADERS += $$PWD/endpuppetcommand.h
@@ -34,6 +35,7 @@ HEADERS += $$PWD/inputeventcommand.h
 HEADERS += $$PWD/view3dactioncommand.h
 
 SOURCES += $$PWD/synchronizecommand.cpp
+SOURCES += $$PWD/changepreviewimagesizecommand.cpp
 SOURCES += $$PWD/changelanguagecommand.cpp
 SOURCES += $$PWD/debugoutputcommand.cpp
 SOURCES += $$PWD/endpuppetcommand.cpp