From c8d7d44bfb10c3aa2f088a3d40c38d25a24b1764 Mon Sep 17 00:00:00 2001
From: Thomas Hartmann <thomas.hartmann@qt.io>
Date: Mon, 25 May 2020 14:45:55 +0200
Subject: [PATCH] QmlDesigner: Fix changePreviewImageSize

If the size is invalid set the default size.
Invalid size most likely means the setting was removed.

Change-Id: I3f1dad5bdac799673d37036099d954caab9aca19
Reviewed-by: Michael Winkelmann <michael.winkelmann@qt.io>
Reviewed-by: Thomas Hartmann <thomas.hartmann@qt.io>
---
 .../qml2puppet/instances/qt5previewnodeinstanceserver.cpp      | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/share/qtcreator/qml/qmlpuppet/qml2puppet/instances/qt5previewnodeinstanceserver.cpp b/share/qtcreator/qml/qmlpuppet/qml2puppet/instances/qt5previewnodeinstanceserver.cpp
index 758f7f0c8f9..a54dfbb82b6 100644
--- a/share/qtcreator/qml/qmlpuppet/qml2puppet/instances/qt5previewnodeinstanceserver.cpp
+++ b/share/qtcreator/qml/qmlpuppet/qml2puppet/instances/qt5previewnodeinstanceserver.cpp
@@ -122,6 +122,9 @@ void Qt5PreviewNodeInstanceServer::changePreviewImageSize(
 {
     m_previewSize = command.size;
 
+    if (!command.size.isValid())
+        m_previewSize = {160, 160};
+
     collectItemChangesAndSendChangeCommands();
 }