Add method for cutting text to the end of the buffer line

src/selection.coffee

@@ -257,10 +257,15 @@ class Selection extends Model
     @modifySelection => @cursor.moveToFirstCharacterOfLine()
 
   # Public: Selects all the text from the current cursor position to the end of
-  # the line.
+  # the screen line.
   selectToEndOfLine: ->
     @modifySelection => @cursor.moveToEndOfScreenLine()
 
+  # Public: Selects all the text from the current cursor position to the end of
+  # the buffer line.
+  selectToEndOfBufferLine: ->
+    @modifySelection => @cursor.moveToEndOfLine()
+
   # Public: Selects all the text from the current cursor position to the
   # beginning of the word.
   selectToBeginningOfWord: ->
@@ -572,11 +577,16 @@ class Selection extends Model
   toggleLineComments: ->
     @editor.toggleLineCommentsForBufferRows(@getBufferRowRange()...)
 
-  # Public: Cuts the selection until the end of the line.
+  # Public: Cuts the selection until the end of the screen line.
   cutToEndOfLine: (maintainClipboard) ->
     @selectToEndOfLine() if @isEmpty()
     @cut(maintainClipboard)
 
+  # Public: Cuts the selection until the end of the buffer line.
+  cutToEndOfBufferLine: (maintainClipboard) ->
+    @selectToEndOfBufferLine() if @isEmpty()
+    @cut(maintainClipboard)
+
   # Public: Copies the selection to the clipboard and then deletes it.
   #
   # * `maintainClipboard` {Boolean} (default: false) See {::copy}

src/text-editor-element.coffee

@@ -299,6 +299,7 @@ atom.commands.add 'atom-text-editor', stopEventPropagationAndGroupUndo(
   'editor:delete-to-end-of-subword': -> @deleteToEndOfSubword()
   'editor:delete-line': -> @deleteLine()
   'editor:cut-to-end-of-line': -> @cutToEndOfLine()
+  'editor:cut-to-end-of-buffer-line': -> @cutToEndOfBufferLine()
   'editor:transpose': -> @transpose()
   'editor:upper-case': -> @upperCase()
   'editor:lower-case': -> @lowerCase()

src/text-editor.coffee

@@ -2664,7 +2664,7 @@ class TextEditor extends Model
       @emitter.emit 'did-insert-text', didInsertEvent
 
   # Essential: For each selection, if the selection is empty, cut all characters
-  # of the containing line following the cursor. Otherwise cut the selected
+  # of the containing screen line following the cursor. Otherwise cut the selected
   # text.
   cutToEndOfLine: ->
     maintainClipboard = false
@@ -2672,6 +2672,15 @@ class TextEditor extends Model
       selection.cutToEndOfLine(maintainClipboard)
       maintainClipboard = true
 
+  # Essential: For each selection, if the selection is empty, cut all characters
+  # of the containing buffer line following the cursor. Otherwise cut the
+  # selected text.
+  cutToEndOfBufferLine: ->
+    maintainClipboard = false
+    @mutateSelectedText (selection) ->
+      selection.cutToEndOfBufferLine(maintainClipboard)
+      maintainClipboard = true
+
   ###
   Section: Folds
   ###