From 79885fc6add6f0875538f610dfe06dc6bdcee16d Mon Sep 17 00:00:00 2001
From: ed <eddavies95@gmail.com>
Date: Wed, 26 Apr 2017 10:48:59 +0100
Subject: [PATCH] Force TreeView to recalculate its size after restoring item
 openness in TreeView::restoreOpennessState() so that its Viewport scroll
 position is restored correctly

---
 modules/juce_gui_basics/widgets/juce_TreeView.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/modules/juce_gui_basics/widgets/juce_TreeView.cpp b/modules/juce_gui_basics/widgets/juce_TreeView.cpp
index 4e67828a95..abec278526 100644
--- a/modules/juce_gui_basics/widgets/juce_TreeView.cpp
+++ b/modules/juce_gui_basics/widgets/juce_TreeView.cpp
@@ -638,6 +638,9 @@ void TreeView::restoreOpennessState (const XmlElement& newState, const bool rest
     {
         rootItem->restoreOpennessState (newState);
 
+        needsRecalculating = true;
+        recalculateIfNeeded();
+
         if (newState.hasAttribute ("scrollPos"))
             viewport->setViewPosition (viewport->getViewPositionX(),
                                        newState.getIntAttribute ("scrollPos"));