From b6aaa5dfd2d5a4da040965b51218a0467cd17f56 Mon Sep 17 00:00:00 2001
From: Miikka Heikkinen <miikka.heikkinen@qt.io>
Date: Tue, 31 Aug 2021 13:04:25 +0300
Subject: [PATCH] QmlDesigner: Fix root item size on new project launch

Resizing the window doesn't actually trigger rerendering of the
root item image in single item rendering, so we ensure that happens
by making root item size dirty.

Fixes: QDS-4957
Change-Id: I08750c855458cc309a2683e56557c42dc7c49274
Reviewed-by: Mahmoud Badri <mahmoud.badri@qt.io>
Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org>
---
 .../qml/qmlpuppet/qml2puppet/instances/qt5nodeinstanceserver.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/share/qtcreator/qml/qmlpuppet/qml2puppet/instances/qt5nodeinstanceserver.cpp b/share/qtcreator/qml/qmlpuppet/qml2puppet/instances/qt5nodeinstanceserver.cpp
index d4a33d91524..fe3e1edabd7 100644
--- a/share/qtcreator/qml/qmlpuppet/qml2puppet/instances/qt5nodeinstanceserver.cpp
+++ b/share/qtcreator/qml/qmlpuppet/qml2puppet/instances/qt5nodeinstanceserver.cpp
@@ -154,6 +154,7 @@ void Qt5NodeInstanceServer::resizeCanvasToRootItem()
         m_viewData.contentItem->setPosition(-m_viewData.rootItem->position());
 #endif
     quickWindow()->resize(rootNodeInstance().boundingRect().size().toSize());
+    DesignerSupport::addDirty(rootNodeInstance().rootQuickItem(), QQuickDesignerSupport::Size);
 }
 
 void Qt5NodeInstanceServer::resetAllItems()