From 2d6f56d8fd73263aea7fff93131e937b9064d801 Mon Sep 17 00:00:00 2001
From: nightwing <amirjanyan@gmail.com>
Date: Mon, 26 Aug 2013 21:44:30 +0400
Subject: [PATCH] provide oldSize in resize event

---
 lib/ace/virtual_renderer.js | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)

diff --git a/lib/ace/virtual_renderer.js b/lib/ace/virtual_renderer.js
index ab529919..b73f96aa 100644
--- a/lib/ace/virtual_renderer.js
+++ b/lib/ace/virtual_renderer.js
@@ -344,7 +344,7 @@ var VirtualRenderer = function(container, theme) {
         if (force)
             this.$renderChanges(changes, true);
         else
-            this.$loop.schedule(changes || this.$changes);
+            this.$loop.schedule(changes | this.$changes);
 
         if (this.resizing)
             this.resizing = 0;
@@ -353,6 +353,12 @@ var VirtualRenderer = function(container, theme) {
     this.$updateCachedSize = function(force, gutterWidth, width, height) {
         var changes = 0;
         var size = this.$size;
+        var oldSize = {
+            width: size.width,
+            height: size.height,
+            scrollerHeight: size.scrollerHeight,
+            scrollerWidth: size.scrollerWidth
+        };
         if (height && (force || size.height != height)) {
             size.height = height;
             changes = this.CHANGE_SIZE;
@@ -394,7 +400,7 @@ var VirtualRenderer = function(container, theme) {
         }
         
         if (changes)
-            this._signal("resize");
+            this._signal("resize", oldSize);
 
         return changes;
     };
@@ -402,7 +408,7 @@ var VirtualRenderer = function(container, theme) {
     this.onGutterResize = function() {
         var gutterWidth = this.$showGutter ? this.$gutter.offsetWidth : 0;
         if (gutterWidth != this.gutterWidth)
-            this.$changes != this.$updateCachedSize(true, gutterWidth, this.$size.width, this.$size.height);
+            this.$changes |= this.$updateCachedSize(true, gutterWidth, this.$size.width, this.$size.height);
 
         if (this.session.getUseWrapMode() && this.adjustWrapLimit())
             this.$loop.schedule(this.CHANGE_FULL);