From abb1e4703b737757e20d1e7040943ba4e2483007 Mon Sep 17 00:00:00 2001
From: nightwing <amirjanyan@gmail.com>
Date: Thu, 30 Jan 2014 21:39:44 +0400
Subject: [PATCH] add showLineNumbers fixes #1755, #892

---
 lib/ace/editor.js           |  1 +
 lib/ace/layer/gutter.js     | 15 ++++++++++++++-
 lib/ace/virtual_renderer.js |  7 +++++++
 3 files changed, 22 insertions(+), 1 deletion(-)

diff --git a/lib/ace/editor.js b/lib/ace/editor.js
index 894afee3..4ecab579 100644
--- a/lib/ace/editor.js
+++ b/lib/ace/editor.js
@@ -2423,6 +2423,7 @@ config.defineOptions(Editor.prototype, "editor", {
     printMargin: "renderer",
     fadeFoldWidgets: "renderer",
     showFoldWidgets: "renderer",
+    showLineNumbers: "renderer",
     showGutter: "renderer",
     displayIndentGuides: "renderer",
     fontSize: "renderer",
diff --git a/lib/ace/layer/gutter.js b/lib/ace/layer/gutter.js
index 728bb488..620a2690 100644
--- a/lib/ace/layer/gutter.js
+++ b/lib/ace/layer/gutter.js
@@ -129,7 +129,7 @@ var Gutter = function(parentEl) {
         var firstLineNumber = session.$firstLineNumber;
         var lastLineNumber = 0;
         
-        var gutterRenderer = session.gutterRenderer;
+        var gutterRenderer = session.gutterRenderer || this.$renderer;
 
         var cell = null;
         var index = -1;
@@ -231,6 +231,19 @@ var Gutter = function(parentEl) {
 
     this.$fixedWidth = false;
     
+    this.$showLineNumbers = true;
+    this.$renderer = "";
+    this.setShowLineNumbers = function(show) {
+        this.$renderer = !show && {
+            getWidth: function() {return ""},
+            getText: function() {return ""}
+        };
+    };
+    
+    this.getShowLineNumbers = function() {
+        return this.$showLineNumbers;
+    };
+    
     this.$showFoldWidgets = true;
     this.setShowFoldWidgets = function(show) {
         if (show)
diff --git a/lib/ace/virtual_renderer.js b/lib/ace/virtual_renderer.js
index e15299d8..f1757d92 100644
--- a/lib/ace/virtual_renderer.js
+++ b/lib/ace/virtual_renderer.js
@@ -1619,6 +1619,13 @@ config.defineOptions(VirtualRenderer.prototype, "renderer", {
         set: function(show) {this.$gutterLayer.setShowFoldWidgets(show)},
         initialValue: true
     },
+    showLineNumbers: {
+        set: function(show) {
+            this.$gutterLayer.setShowLineNumbers(show);
+            this.$loop.schedule(this.CHANGE_GUTTER);
+        },
+        initialValue: true
+    },
     displayIndentGuides: {
         set: function(show) {
             if (this.$textLayer.setDisplayIndentGuides(show))