From f6eb3c220b17ecb56befe1a1ea2241ca6d5ab0c8 Mon Sep 17 00:00:00 2001
From: jkobus <jaroslaw.kobus@theqtcompany.com>
Date: Wed, 19 Nov 2014 15:45:41 +0100
Subject: QTreeWidget: optimize childrenCheckState

When we met at least one checked child
and at least one unchecked child
return immediately PartiallyChecked state
(no need to check other children state).

Change-Id: I17ec07a925667231a1d809695f347a0f3cfffa0e
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@theqtcompany.com>
---
 src/widgets/itemviews/qtreewidget.cpp | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

(limited to 'src/widgets/itemviews/qtreewidget.cpp')

diff --git a/src/widgets/itemviews/qtreewidget.cpp b/src/widgets/itemviews/qtreewidget.cpp
index 0a4e57812a..704f8975b9 100644
--- a/src/widgets/itemviews/qtreewidget.cpp
+++ b/src/widgets/itemviews/qtreewidget.cpp
@@ -2153,10 +2153,11 @@ QVariant QTreeWidgetItem::childrenCheckState(int column) const
         default:
             return Qt::PartiallyChecked;
         }
+
+        if (uncheckedChildren && checkedChildren)
+            return Qt::PartiallyChecked;
     }
 
-    if (uncheckedChildren && checkedChildren)
-        return Qt::PartiallyChecked;
     if (uncheckedChildren)
         return Qt::Unchecked;
     else if (checkedChildren)
-- 
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