meta-c copies text in selection

spec/atom/selection-spec.coffee

@@ -88,3 +88,20 @@ describe "Selection", ->
       expect(selection.regions.length).toBe 3
       expect(selection.find('.selection').length).toBe 3
 
+  describe ".copy()", ->
+    beforeEach ->
+      atom.native.writeToPasteboard('first')
+      expect(atom.native.readFromPasteboard()).toBe 'first'
+
+    it "places selected text on the clipboard", ->
+      selection.setRange new Range([0,4], [0,13])
+      selection.copy()
+      expect(atom.native.readFromPasteboard()).toBe 'quicksort'
+
+    it "places nothing on the clipboard when there is no selection", ->
+      selection.setRange new Range([0,4], [0,4])
+      selection.copy()
+      expect(atom.native.readFromPasteboard()).toBe 'first'
+
+
+

src/atom/buffer.coffee

@@ -17,6 +17,15 @@ class Buffer
   setText: (text) ->
     @lines = text.split('\n')
 
+  getTextInRange: (range) ->
+    if range.start.row == range.end.row
+      return @lines[range.start.row][range.start.column...range.end.column]
+
+    text = @lines[range.start.row][range.start.column..]
+    for row in [range.start.row...range.end.row]
+      text += @lines[row]
+    text += @lines[range.end.row][0...range.end.column]
+
   getLines: ->
     @lines
 

src/atom/editor.coffee

@@ -41,6 +41,7 @@ class Editor extends Template
         enter: 'newline'
         backspace: 'backspace'
         delete: 'delete'
+        'meta-c': 'copy'
 
       @on 'move-right', => @moveCursorRight()
       @on 'move-left', => @moveCursorLeft()
@@ -53,6 +54,7 @@ class Editor extends Template
       @on 'newline', =>  @insertNewline()
       @on 'backspace', => @backspace()
       @on 'delete', => @delete()
+      @on 'copy', => @copyText()
 
 
     buildCursorAndSelection: ->
@@ -190,4 +192,6 @@ class Editor extends Template
     insertNewline: -> @selection.insertNewline()
     backspace: -> @selection.backspace()
     delete: -> @selection.delete()
+    copySelection: -> @selection().copy()
+
 

src/atom/selection.coffee

@@ -150,3 +150,9 @@ class Selection extends Template
     moveCursorToLineStart: ->
       @cursor.moveToLineStart()
 
+    copy: ->
+      return if @isEmpty()
+
+      text = @editor.buffer.getTextInRange @getRange()
+      atom.native.writeToPasteboard text
+

src/stdlib/native.coffee

@@ -42,6 +42,11 @@ class Native
     pb.declareTypes_owner [OSX.NSStringPboardType], null
     pb.setString_forType text, OSX.NSStringPboardType
 
+  readFromPasteboard: (text) ->
+    pb = OSX.NSPasteboard.generalPasteboard
+    results = pb.readObjectsForClasses_options [OSX.NSString], null
+    results?[0]?.toString()
+
   resetMainMenu: (menu) ->
     OSX.NSApp.resetMainMenu