Add initialColumn options to Workspace::open

This options works similarly to the existing initialLine option

spec/editor-spec.coffee

@@ -43,6 +43,19 @@ describe "Editor", ->
       runs ->
         buffer = editor.buffer
         expect(editor.getCursor().getBufferPosition().row).toEqual 5
+        expect(editor.getCursor().getBufferPosition().column).toEqual 0
+
+  describe "when the editor is constructed with an initialColumn option", ->
+    it "positions the cursor on the specified column", ->
+      editor = null
+
+      waitsForPromise ->
+        atom.workspace.open('sample.less', initialColumn: 8).then (o) -> editor = o
+
+      runs ->
+        buffer = editor.buffer
+        expect(editor.getCursor().getBufferPosition().row).toEqual 0
+        expect(editor.getCursor().getBufferPosition().column).toEqual 8
 
   describe ".copy()", ->
     it "returns a different edit session with the same initial state", ->

src/editor.coffee

@@ -152,7 +152,7 @@ class Editor extends Model
   @delegatesProperties '$lineHeight', '$defaultCharWidth', '$height', '$width',
     '$scrollTop', '$scrollLeft', 'manageScrollPosition', toProperty: 'displayBuffer'
 
-  constructor: ({@softTabs, initialLine, tabLength, softWrap, @displayBuffer, buffer, registerEditor, suppressCursorCreation}) ->
+  constructor: ({@softTabs, initialLine, initialColumn, tabLength, softWrap, @displayBuffer, buffer, registerEditor, suppressCursorCreation}) ->
     super
 
     @cursors = []
@@ -170,11 +170,9 @@ class Editor extends Model
     @subscribeToDisplayBuffer()
 
     if @getCursors().length is 0 and not suppressCursorCreation
-      if initialLine
-        position = [initialLine, 0]
-      else
-        position = [0, 0]
-      @addCursorAtBufferPosition(position)
+      initialLine = Math.max(parseInt(initialLine) or 0, 0)
+      initialColumn = Math.max(parseInt(initialColumn) or 0, 0)
+      @addCursorAtBufferPosition([initialLine, initialColumn])
 
     @languageMode = new LanguageMode(this)
 

src/workspace.coffee

@@ -84,6 +84,8 @@ class Workspace extends Model
   # options  - An optional options {Object}
   #   :initialLine - A {Number} indicating which row to move the cursor to
   #                  initially. Defaults to `0`.
+  #   :initialColumn - A {Number} indicating which column to move the cursor to
+  #                    initially. Defaults to `0`.
   #   :split - Either 'left' or 'right'. If 'left', the item will be opened in
   #            leftmost pane of the current active pane's row. If 'right', the
   #            item will be opened in the rightmost pane of the current active
@@ -124,12 +126,14 @@ class Workspace extends Model
   # options  - An optional options {Object}
   #   :initialLine - A {Number} indicating which row to move the cursor to
   #                  initially. Defaults to `0`.
+  #   :initialColumn - A {Number} indicating which column to move the cursor to
+  #                    initially. Defaults to `0`.
   #   :activatePane - A {Boolean} indicating whether to call {Pane::activate} on
   #                   the containing pane. Defaults to `true`.
   openSync: (uri='', options={}) ->
     deprecate("Don't use the `changeFocus` option") if options.changeFocus?
 
-    {initialLine} = options
+    {initialLine, initialColumn} = options
     # TODO: Remove deprecated changeFocus option
     activatePane = options.activatePane ? options.changeFocus ? true
     uri = atom.project.resolve(uri)
@@ -137,7 +141,7 @@ class Workspace extends Model
     item = @activePane.itemForUri(uri)
     if uri
       item ?= opener(uri, options) for opener in @getOpeners() when !item
-    item ?= atom.project.openSync(uri, {initialLine})
+    item ?= atom.project.openSync(uri, {initialLine, initialColumn})
 
     @activePane.activateItem(item)
     @itemOpened(item)