From 4495f98dcec83c2726cedf9aba5afd3c1d97ddea Mon Sep 17 00:00:00 2001
From: Siegfried-Angel Gevatter Pujals <rainct@ubuntu.com>
Date: Sun, 9 Aug 2009 03:34:35 +0200
Subject: [PATCH] Fix negative height request in WellGrid

When WellGrid had no child it was doing a division by zero,
which screwed up the calculation for the height request and
having it ask for a negative number. This commit fixes this
by always requesting 0 in this case.
---
 js/ui/appDisplay.js | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/js/ui/appDisplay.js b/js/ui/appDisplay.js
index f9924046f..1558f71f7 100644
--- a/js/ui/appDisplay.js
+++ b/js/ui/appDisplay.js
@@ -686,6 +686,8 @@ WellGrid.prototype = {
         let columnsNatural;
         let i;
         let children = this._getItemChildren();
+        if (children.length == 0)
+            return [0, WELL_DEFAULT_COLUMNS, 0, 0];
         let nColumns;
         if (children.length < WELL_DEFAULT_COLUMNS)
             nColumns = children.length;