From c68d5fac7dae7ac7990e7976d891e2b3bb429808 Mon Sep 17 00:00:00 2001
From: Nathan Sobo <nathan@github.com>
Date: Wed, 14 Nov 2012 13:07:42 -0700
Subject: [PATCH] Attach precipitating bufferChange to `DisplayBuffer` change
 events

The gutter can use this to determine if the change might have altered line numbers, for example if it's inside a fold.
---
 src/app/display-buffer.coffee | 2 +-
 src/app/edit-session.coffee   | 2 +-
 src/app/selection.coffee      | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/app/display-buffer.coffee b/src/app/display-buffer.coffee
index b4f07877f..50d355cb7 100644
--- a/src/app/display-buffer.coffee
+++ b/src/app/display-buffer.coffee
@@ -207,7 +207,7 @@ class DisplayBuffer
     @trigger 'change',
       oldRange: oldScreenRange
       newRange: newScreenRange
-      bufferChanged: true
+      bufferChange: e.bufferChange
       lineNumbersChanged: !e.oldRange.coversSameRows(newRange) or !oldScreenRange.coversSameRows(newScreenRange)
 
   buildLineForBufferRow: (bufferRow) ->
diff --git a/src/app/edit-session.coffee b/src/app/edit-session.coffee
index 1d5e947c2..f78dcb228 100644
--- a/src/app/edit-session.coffee
+++ b/src/app/edit-session.coffee
@@ -61,7 +61,7 @@ class EditSession
 
     @displayBuffer.on "change.edit-session-#{@id}", (e) =>
       @trigger 'screen-lines-change', e
-      unless e.bufferChanged
+      unless e.bufferChange
         anchor.refreshScreenPosition() for anchor in @getAnchors()
 
   destroy: ->
diff --git a/src/app/selection.coffee b/src/app/selection.coffee
index 1f8d6f9f0..916ac7af2 100644
--- a/src/app/selection.coffee
+++ b/src/app/selection.coffee
@@ -13,7 +13,7 @@ class Selection
     @cursor.selection = this
 
     @cursor.on 'change-screen-position.selection', (e) =>
-      @screenRangeChanged() unless e.bufferChanged
+      @screenRangeChanged() unless e.bufferChange
 
     @cursor.on 'destroy.selection', =>
       @cursor = null