From eed9ab2901ca898f361c825a253d1af0ffaab5c9 Mon Sep 17 00:00:00 2001
From: Leandro Melo <leandro.melo@nokia.com>
Date: Fri, 9 Dec 2011 17:36:42 +0100
Subject: [PATCH] Editor: Update layout accordingly when restoring state

Whenever blocks are folded/unfoled we need to request a layout update.

Task-number: QTCREATORBUG-6666
Change-Id: I123b99c697a034cb04871bc41f42eac4f39895a2
Reviewed-by: Daniel Teske <daniel.teske@nokia.com>
Reviewed-by: Eike Ziller <eike.ziller@nokia.com>
Reviewed-by: Leandro Melo <leandro.melo@nokia.com>
---
 src/plugins/texteditor/basetexteditor.cpp | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/src/plugins/texteditor/basetexteditor.cpp b/src/plugins/texteditor/basetexteditor.cpp
index 00baeea31d9..5b41cfea5cb 100644
--- a/src/plugins/texteditor/basetexteditor.cpp
+++ b/src/plugins/texteditor/basetexteditor.cpp
@@ -2206,10 +2206,20 @@ bool BaseTextEditorWidget::restoreState(const QByteArray &state)
         QList<int> collapsedBlocks;
         stream >> collapsedBlocks;
         QTextDocument *doc = document();
+        bool layoutChanged = false;
         foreach(int blockNumber, collapsedBlocks) {
             QTextBlock block = doc->findBlockByNumber(qMax(0, blockNumber));
-            if (block.isValid())
+            if (block.isValid()) {
                 BaseTextDocumentLayout::doFoldOrUnfold(block, false);
+                layoutChanged = true;
+            }
+        }
+        if (layoutChanged) {
+            BaseTextDocumentLayout *documentLayout =
+                    qobject_cast<BaseTextDocumentLayout*>(doc->documentLayout());
+            QTC_ASSERT(documentLayout, return false);
+            documentLayout->requestUpdate();
+            documentLayout->emitDocumentSizeChanged();
         }
     } else {
         if (d->m_displaySettings.m_autoFoldFirstComment)