From 54f0113c0c08caf1bf6abc53d6872df6ade8aac5 Mon Sep 17 00:00:00 2001
From: Lukhnos Liu <lukhnos@lukhnos.org>
Date: Wed, 16 Jan 2013 21:42:41 -0800
Subject: [PATCH] Avoid layout when providing cell values (fixes #73)

-tableView:objectValueForTableColumn:row: may call -layoutCandidateView,
which in turn may force the table view to reload; the layout code
should only run after all cell values are provided for to break this
potential cycle.
---
 Source/CandidateUI/VTVerticalCandidateController.m | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/Source/CandidateUI/VTVerticalCandidateController.m b/Source/CandidateUI/VTVerticalCandidateController.m
index b49472f8..7b78bd38 100644
--- a/Source/CandidateUI/VTVerticalCandidateController.m
+++ b/Source/CandidateUI/VTVerticalCandidateController.m
@@ -338,6 +338,12 @@ static const CGFloat kCandidateTextLeftMargin = 8.0;
 }
                            
 - (void)layoutCandidateView
+{
+    [NSObject cancelPreviousPerformRequestsWithTarget:self selector:@selector(deferredLayoutCandidateView) object:nil];
+    [self performSelector:@selector(deferredLayoutCandidateView) withObject:nil afterDelay:0.0];
+}
+
+- (void)deferredLayoutCandidateView
 {
     NSUInteger count = [_delegate candidateCountForController:self];
     if (!count) {