Add ::onDidChangeSoftWrapped to DisplayBuffer and Editor

spec/display-buffer-spec.coffee

@@ -1172,7 +1172,7 @@ describe "DisplayBuffer", ->
     it "recomputes the scroll width when the scoped character widths change in a batch", ->
       operatorWidth = 20
 
-      displayBuffer.on 'character-widths-changed', changedSpy = jasmine.createSpy()
+      displayBuffer.onDidChangeCharacterWidths changedSpy = jasmine.createSpy()
 
       displayBuffer.batchCharacterMeasurement ->
         displayBuffer.setScopedCharWidth(['source.js', 'keyword.operator.js'], '<', operatorWidth)

src/display-buffer.coffee

@@ -109,6 +109,9 @@ class DisplayBuffer extends Model
   onDidChange: (callback) ->
     @emitter.on 'did-change', callback
 
+  onDidChangeCharacterWidths: (callback) ->
+    @emitter.on 'did-change-character-widths', callback
+
   on: (eventName) ->
     switch eventName
       when 'changed'
@@ -117,6 +120,8 @@ class DisplayBuffer extends Model
         Grim.deprecate("Use DisplayBuffer::onDidChangeGrammar instead")
       when 'soft-wrap-changed'
         Grim.deprecate("Use DisplayBuffer::onDidChangeSoftWrap instead")
+      when 'character-widths-changed'
+        Grim.deprecate("Use DisplayBuffer::onDidChangeCharacterWidths instead")
       # else
       #   Grim.deprecate("DisplayBuffer::on is deprecated. Use event subscription methods instead.")
 
@@ -278,6 +283,7 @@ class DisplayBuffer extends Model
   characterWidthsChanged: ->
     @computeScrollWidth()
     @emit 'character-widths-changed', @scopedCharacterWidthsChangeCount
+    @emitter.emit 'did-change-character-widths', @scopedCharacterWidthsChangeCount
 
   clearScopedCharWidths: ->
     @charWidthsByScope = {}

src/editor-component.coffee

@@ -350,7 +350,7 @@ EditorComponent = React.createClass
     @subscribe editor, 'decoration-added', @onDecorationChanged
     @subscribe editor, 'decoration-removed', @onDecorationChanged
     @subscribe editor, 'decoration-updated', @onDecorationChanged
-    @subscribe editor, 'character-widths-changed', @onCharacterWidthsChanged
+    @subscribe editor.onDidChangeCharacterWidths @onCharacterWidthsChanged
     @subscribe editor.$scrollTop.changes, @onScrollTopChanged
     @subscribe editor.$scrollLeft.changes, @requestUpdate
     @subscribe editor.$verticalScrollbarWidth.changes, @requestUpdate

src/editor.coffee

@@ -270,7 +270,6 @@ class Editor extends Model
     @subscribe @displayBuffer, "decoration-added", (args...) => @emit 'decoration-added', args...
     @subscribe @displayBuffer, "decoration-removed", (args...) => @emit 'decoration-removed', args...
     @subscribe @displayBuffer, "decoration-updated", (args...) => @emit 'decoration-updated', args...
-    @subscribe @displayBuffer, "character-widths-changed", (changeCount) => @emit 'character-widths-changed', changeCount
 
   getViewClass: ->
     require './editor-view'
@@ -297,6 +296,9 @@ class Editor extends Model
   onDidChangeGrammar: (callback) ->
     @displayBuffer.onDidChangeGrammar(callback)
 
+  onDidChangeCharacterWidths: (callback) ->
+    @displayBuffer.onDidChangeCharacterWidths(callback)
+
   onDidStopChanging: (callback) ->
     @getBuffer().onDidStopChanging(callback)