From f24a045e11707af85797a27d55eee14ebc6b5836 Mon Sep 17 00:00:00 2001
From: Nathan Sobo <nathan@github.com>
Date: Mon, 27 Feb 2012 13:07:59 -0700
Subject: [PATCH] Cursor can move to last row when lines are wrapped

---
 spec/atom/editor-spec.coffee | 7 +++++++
 src/atom/cursor.coffee       | 6 +-----
 src/atom/editor.coffee       | 6 ++++++
 3 files changed, 14 insertions(+), 5 deletions(-)

diff --git a/spec/atom/editor-spec.coffee b/spec/atom/editor-spec.coffee
index 1c3b235d3..ca3fd36c7 100644
--- a/spec/atom/editor-spec.coffee
+++ b/spec/atom/editor-spec.coffee
@@ -98,6 +98,13 @@ describe "Editor", ->
         $(window).trigger 'resize'
         expect(editor.setMaxLineLength).not.toHaveBeenCalled()
 
+      it "allows the cursor to move down to the last line", ->
+        _.times editor.lastScreenRow(), -> editor.moveCursorDown()
+        expect(editor.getCursorScreenPosition()).toEqual [editor.lastScreenRow(), 0]
+        editor.moveCursorDown()
+        expect(editor.getCursorScreenPosition()).toEqual [editor.lastScreenRow(), 2]
+
+
   describe "cursor movement", ->
     describe ".setCursorScreenPosition({row, column})", ->
       beforeEach ->
diff --git a/src/atom/cursor.coffee b/src/atom/cursor.coffee
index 87dfab2cf..f52460f41 100644
--- a/src/atom/cursor.coffee
+++ b/src/atom/cursor.coffee
@@ -60,11 +60,7 @@ class Cursor extends View
   moveDown: ->
     { row, column } = @getScreenPosition()
     column = @goalColumn if @goalColumn?
-    if row < @editor.buffer.numLines() - 1
-      @setScreenPosition({row: row + 1, column: column})
-    else
-      @moveToLineEnd()
-
+    @setScreenPosition({row: row + 1, column: column})
     @goalColumn = column
 
   moveToLineEnd: ->
diff --git a/src/atom/editor.coffee b/src/atom/editor.coffee
index d690a4565..b822d41af 100644
--- a/src/atom/editor.coffee
+++ b/src/atom/editor.coffee
@@ -141,6 +141,12 @@ class Editor extends View
   linesForScreenRows: (start, end) ->
     @lineWrapper.linesForScreenRows(start, end)
 
+  screenLineCount: ->
+    @lineWrapper.lineCount()
+
+  lastScreenRow: ->
+    @screenLineCount() - 1
+
   setBuffer: (@buffer) ->
     @highlighter = new Highlighter(@buffer)
     @lineFolder = new LineFolder(@highlighter)