Triple click selects line under cursor

spec/atom/editor-spec.coffee

@@ -291,9 +291,36 @@ describe "Editor", ->
           expect(editor.getCursorPosition()).toEqual(row: 0, column: 0)
           [pageX, pageY] = window.pixelPositionForPoint(editor, [0, 8])
           editor.lines.trigger mousedownEvent({pageX, pageY, originalEvent: {detail: 1}})
+          $(document).trigger 'mouseup'
           editor.lines.trigger mousedownEvent({pageX, pageY, originalEvent: {detail: 2}})
           expect(editor.getSelectedText()).toBe "quicksort"
 
+      describe "when it is clicked more then twice (tripple, quadruple, etc...)", ->
+        it "selects the line under the cursor", ->
+          expect(editor.getCursorPosition()).toEqual(row: 0, column: 0)
+
+          # Triple click
+          [pageX, pageY] = window.pixelPositionForPoint(editor, [1, 8])
+          editor.lines.trigger mousedownEvent({pageX, pageY, originalEvent: {detail: 1}})
+          $(document).trigger 'mouseup'
+          editor.lines.trigger mousedownEvent({pageX, pageY, originalEvent: {detail: 2}})
+          $(document).trigger 'mouseup'
+          editor.lines.trigger mousedownEvent({pageX, pageY, originalEvent: {detail: 3}})
+          expect(editor.getSelectedText()).toBe "  var sort = function(items) {"
+          $(document).trigger 'mouseup'
+
+          # Quad click
+          [pageX, pageY] = window.pixelPositionForPoint(editor, [2, 3])
+          editor.lines.trigger mousedownEvent({pageX, pageY, originalEvent: {detail: 1}})
+          $(document).trigger 'mouseup'
+          editor.lines.trigger mousedownEvent({pageX, pageY, originalEvent: {detail: 2}})
+          $(document).trigger 'mouseup'
+          editor.lines.trigger mousedownEvent({pageX, pageY, originalEvent: {detail: 3}})
+          $(document).trigger 'mouseup'
+          editor.lines.trigger mousedownEvent({pageX, pageY, originalEvent: {detail: 4}})
+          expect(editor.getSelectedText()).toBe "    if (items.length <= 1) return items;"
+          $(document).trigger 'mouseup'
+
   describe "selection", ->
     selection = null
 

spec/atom/selection-spec.coffee

@@ -184,7 +184,8 @@ describe "Selection", ->
          selection.selectWord()
          expect(selection.getText()).toBe ''
 
-
-
-
-
+  describe ".selectLine()", ->
+    it "selects the entire line the cursor is on", ->
+       editor.setCursorPosition [1,2]
+       selection.selectLine()
+       expect(selection.getText()).toBe "  var sort = function(items) {"

src/atom/editor.coffee

@@ -83,10 +83,12 @@ class Editor extends Template
 
         if clickCount == 1
           @setCursorPosition @pointFromMouseEvent(e)
-          @selectTextOnMouseMovement()
         else if clickCount == 2
           @selection.selectWord()
-          @selectTextOnMouseMovement()
+        else if clickCount >= 3
+          @selection.selectLine()
+
+        @selectTextOnMouseMovement()
 
       @hiddenInput.on "textInput", (e) =>
         @insertText(e.originalEvent.data)

src/atom/selection.coffee

@@ -114,6 +114,10 @@ class Selection extends Template
       range = new Range([row, column + startOffset], [row, column + endOffset])
       @setRange range
 
+    selectLine: ->
+      row = @cursor.getRow()
+      @setRange new Range([row, 0], [row, @editor.getCurrentLine().length])
+
     selectRight: ->
       @modifySelection =>
         @cursor.moveRight()