From d05dfa6efe2131f468cca75dd407f0a992dceb4e Mon Sep 17 00:00:00 2001
From: Antonio Scandurra <me@as-cii.com>
Date: Wed, 17 Feb 2016 10:29:38 +0100
Subject: [PATCH] :racehorse: Update lines state only in pre-measurement phase

---
 src/text-editor-presenter.coffee | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/src/text-editor-presenter.coffee b/src/text-editor-presenter.coffee
index 147eaa962..48f269b9d 100644
--- a/src/text-editor-presenter.coffee
+++ b/src/text-editor-presenter.coffee
@@ -90,7 +90,7 @@ class TextEditorPresenter
       @updateLineDecorations()
       @updateBlockDecorations()
 
-    @updateTilesState()
+    @updateTilesState(true)
 
     @updating = false
     @state
@@ -112,7 +112,7 @@ class TextEditorPresenter
     @updateHiddenInputState()
     @updateContentState()
     @updateHighlightDecorations() if @shouldUpdateDecorations
-    @updateTilesState()
+    @updateTilesState(false)
     @updateCursorsState()
     @updateOverlaysState()
     @updateLineNumberGutterState()
@@ -327,7 +327,7 @@ class TextEditorPresenter
   clearScreenRowsToMeasure: ->
     @screenRowsToMeasure = []
 
-  updateTilesState: ->
+  updateTilesState: (updateLinesState) ->
     return unless @startRow? and @endRow? and @lineHeight?
 
     screenRows = @getScreenRows()
@@ -367,8 +367,9 @@ class TextEditorPresenter
       gutterTile.display = "block"
       gutterTile.zIndex = zIndex
 
-      @updateLinesState(tile, rowsWithinTile)
-      @updateLineNumbersState(gutterTile, rowsWithinTile)
+      if updateLinesState
+        @updateLinesState(tile, rowsWithinTile)
+        @updateLineNumbersState(gutterTile, rowsWithinTile)
 
       visibleTiles[tileStartRow] = true
       zIndex++