From d517e6ec8b40d6415f8418264d6be505104b70f4 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Piotrek=20Reinmar=20Koszuli=C5=84ski?=
 <pkoszulinski@gmail.com>
Date: Thu, 1 May 2014 17:28:28 +0200
Subject: [PATCH 1/2] Focus sourcearea after resizing, because otherwise caret
 ends in editor's UI.

---
 plugins/sourcearea/plugin.js | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/plugins/sourcearea/plugin.js b/plugins/sourcearea/plugin.js
index 79ed298a486..67ac976be4f 100644
--- a/plugins/sourcearea/plugin.js
+++ b/plugins/sourcearea/plugin.js
@@ -77,7 +77,13 @@
 				editor.getCommand( 'source' ).setState( editor.mode == 'source' ? CKEDITOR.TRISTATE_ON : CKEDITOR.TRISTATE_OFF );
 			} );
 
+			var needsFocusHack = CKEDITOR.env.ie && CKEDITOR.env.version == 9;
+
 			function onResize() {
+				// We have to do something with focus on IE9, because if sourcearea had focus
+				// before being resized, the caret ends somewhere in the editor UI (#11839).
+				var wasActive = needsFocusHack && this.equals( CKEDITOR.document.getActive() );
+
 				// Holder rectange size is stretched by textarea,
 				// so hide it just for a moment.
 				this.hide();
@@ -85,6 +91,9 @@
 				this.setStyle( 'width', this.getParent().$.clientWidth + 'px' );
 				// When we have proper holder size, show textarea again.
 				this.show();
+
+				if ( wasActive )
+					this.focus();
 			}
 		}
 	} );

From be0cfb4302452a5badf3819f25c609f07ab096a7 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Piotrek=20Reinmar=20Koszuli=C5=84ski?=
 <pkoszulinski@gmail.com>
Date: Thu, 1 May 2014 17:30:27 +0200
Subject: [PATCH 2/2] Changelog entry.

---
 CHANGES.md | 1 +
 1 file changed, 1 insertion(+)

diff --git a/CHANGES.md b/CHANGES.md
index 57492695cd8..c56a41c33b6 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -13,6 +13,7 @@ Fixed Issues:
 * [#11872](http://dev.ckeditor.com/ticket/11872): Made [`element.addClass()`](http://docs.ckeditor.com/#!/api/CKEDITOR.dom.element-method-addClass) chainable symmetrically to [`element.removeClass()`](http://docs.ckeditor.com/#!/api/CKEDITOR.dom.element-method-removeClass).
 * [#11813](http://dev.ckeditor.com/ticket/11813): Fixed: Link lost while pasting captioned image and restoring undo snapshot ([Enhanced Image](http://ckeditor.com/addon/image2)).
 * [#11814](http://dev.ckeditor.com/ticket/11814): Fixed: _Link_ and _Unlink_ entries persistently displayed in [Enhanced Image](http://ckeditor.com/addon/image2) context menu.
+* [#11839](http://dev.ckeditor.com/ticket/11839): Fixed: [IE9] Caret jumps out of editable when resizing editor in source mode.
 
 Other changes: