From f37b744ed56c68a3a935b71a03ccdfb06fbab0b8 Mon Sep 17 00:00:00 2001
From: Ben Whittaker <ben@benw.ca>
Date: Mon, 4 Oct 2021 18:45:57 -0400
Subject: [PATCH] Layout: defer initial update until first render

---
 modules/Layout.js | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/modules/Layout.js b/modules/Layout.js
index 69f257b3b..087aff249 100644
--- a/modules/Layout.js
+++ b/modules/Layout.js
@@ -140,7 +140,7 @@ function Layout(layout, buttons, options) {
     if (l.c) l.c.forEach(idRecurser);
   }
   idRecurser(layout);
-  this.update();
+  this.updateNeeded = true;
 }
 
 Layout.prototype.remove = function (l) {
@@ -196,6 +196,7 @@ function prepareLazyRender(l, rectsToClear, drawList, rects, parentBg) {
 
 Layout.prototype.render = function (l) {
   if (!l) l = this._l;
+  if (this.updateNeeded) this.update();
 
   function render(l) {"ram"
     g.reset();
@@ -309,6 +310,7 @@ Layout.prototype.debug = function(l,c) {
   if (l.c) l.c.forEach(n => this.debug(n,c));
 };
 Layout.prototype.update = function() {
+  delete this.updateNeeded;
   var l = this._l;
   var w = g.getWidth();
   var y = this.yOffset;