From 82ea33762ffcc75cece3269fedb5380afc86b05d Mon Sep 17 00:00:00 2001
From: Frank Reininghaus <frank78ac@googlemail.com>
Date: Tue, 2 Jul 2013 19:12:08 +0200
Subject: [PATCH] Prevent some unnecessary layoutings when the view size is
 changed

In Icons/Details (Compact) View, no layouting is necessary if the view
height (width) changes.

REVIEW: 111322
---
 src/kitemviews/private/kitemlistviewlayouter.cpp | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/src/kitemviews/private/kitemlistviewlayouter.cpp b/src/kitemviews/private/kitemlistviewlayouter.cpp
index c15b44e13b..da569b3dc6 100644
--- a/src/kitemviews/private/kitemlistviewlayouter.cpp
+++ b/src/kitemviews/private/kitemlistviewlayouter.cpp
@@ -73,8 +73,16 @@ Qt::Orientation KItemListViewLayouter::scrollOrientation() const
 void KItemListViewLayouter::setSize(const QSizeF& size)
 {
     if (m_size != size) {
+        if (m_scrollOrientation == Qt::Vertical) {
+            if (m_size.width() != size.width()) {
+                m_dirty = true;
+            }
+        } else if (m_size.height() != size.height()) {
+            m_dirty = true;
+        }
+
         m_size = size;
-        m_dirty = true;
+        m_visibleIndexesDirty = true;
     }
 }