From 115141bc210bfa880e0c10f220b82ee28e38f3ad Mon Sep 17 00:00:00 2001
From: Uwe Rathmann <Uwe.Rathmann@tigertal.de>
Date: Thu, 24 Mar 2022 17:33:01 +0100
Subject: [PATCH] reserving memory in advance

---
 src/controls/QskObjectTree.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/controls/QskObjectTree.cpp b/src/controls/QskObjectTree.cpp
index 163a1c7d..9315d882 100644
--- a/src/controls/QskObjectTree.cpp
+++ b/src/controls/QskObjectTree.cpp
@@ -21,6 +21,8 @@ QObjectList QskObjectTree::childNodes( const QObject* object )
     if ( object == nullptr )
     {
         const auto windows = QGuiApplication::topLevelWindows();
+        children.reserve( windows.count() );
+
         for ( auto window : windows )
             children += window;
     }
@@ -43,6 +45,7 @@ QObjectList QskObjectTree::childNodes( const QObject* object )
     else if ( auto item = qobject_cast< const QQuickItem* >( object ) )
     {
         const auto childItems = item->childItems();
+        children.reserve( childItems.count() );
 
         for ( auto child : childItems )
             children += child;