From e93e4e933393ef7d6fdac49c7410d2675ebf7caa Mon Sep 17 00:00:00 2001
From: Nathan Sobo <nathan@github.com>
Date: Tue, 1 Jul 2014 11:34:36 -0600
Subject: [PATCH] Autoscroll to the last cursor in model when inserting text

Fixes #2787
---
 spec/editor-spec.coffee | 11 +++++++++++
 src/selection.coffee    |  1 +
 2 files changed, 12 insertions(+)

diff --git a/spec/editor-spec.coffee b/spec/editor-spec.coffee
index d697b7491..bc227d76b 100644
--- a/spec/editor-spec.coffee
+++ b/spec/editor-spec.coffee
@@ -1483,6 +1483,17 @@ describe "Editor", ->
             expect(cursor1.getBufferPosition()).toEqual [1, 5]
             expect(cursor2.getBufferPosition()).toEqual [2, 7]
 
+          it "autoscrolls to the last cursor", ->
+            editor.manageScrollPosition = true
+            editor.setCursorScreenPosition([1, 2])
+            editor.addCursorAtScreenPosition([10, 4])
+            editor.setLineHeightInPixels(10)
+            editor.setHeight(50)
+
+            expect(editor.getScrollTop()).toBe 0
+            editor.insertText('a')
+            expect(editor.getScrollTop()).toBe 80
+
       describe "when there are multiple non-empty selections", ->
         describe "when the selections are on the same line", ->
           it "replaces each selection range with the inserted characters", ->
diff --git a/src/selection.coffee b/src/selection.coffee
index c27f63f92..2945801d4 100644
--- a/src/selection.coffee
+++ b/src/selection.coffee
@@ -315,6 +315,7 @@ class Selection extends Model
     wasReversed = @isReversed()
     @clear()
     @cursor.needsAutoscroll = @cursor.isLastCursor()
+    @cursor.autoscroll() if @editor.manageScrollPosition and @cursor.isLastCursor()
 
     if options.indentBasis? and not options.autoIndent
       text = @normalizeIndents(text, options.indentBasis)