From 6368d96506d9debd3db1a4b07db1f9dc91c6f1a4 Mon Sep 17 00:00:00 2001
From: Steve Lamerton <steve.lamerton@gmail.com>
Date: Fri, 5 Aug 2011 13:17:19 +0000
Subject: [PATCH] Add undo / redo support to OSX WebKit.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/branches/SOC2011_WEBVIEW@68555 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
---
 include/wx/osx/webview_webkit.h |  8 ++++----
 src/osx/webview_webkit.mm       | 20 ++++++++++++++++++++
 2 files changed, 24 insertions(+), 4 deletions(-)

diff --git a/include/wx/osx/webview_webkit.h b/include/wx/osx/webview_webkit.h
index cf873771a7..047f6c7eb8 100644
--- a/include/wx/osx/webview_webkit.h
+++ b/include/wx/osx/webview_webkit.h
@@ -92,10 +92,10 @@ public:
     virtual void LoadHistoryItem(wxSharedPtr<wxWebHistoryItem> WXUNUSED(item)) {}
     
     //Undo / redo functionality
-    virtual bool CanUndo() { return false; }
-    virtual bool CanRedo() { return false; }
-    virtual void Undo() {}
-    virtual void Redo() {}
+    virtual bool CanUndo();
+    virtual bool CanRedo();
+    virtual void Undo();
+    virtual void Redo();
 
     //Clipboard functions
     virtual bool CanCut() { return false; }
diff --git a/src/osx/webview_webkit.mm b/src/osx/webview_webkit.mm
index 93e345dcc2..763c9097ca 100644
--- a/src/osx/webview_webkit.mm
+++ b/src/osx/webview_webkit.mm
@@ -961,6 +961,26 @@ void wxWebViewWebKit::EnableHistory(bool enable)
     [m_webView setMaintainsBackForwardList:enable];
 }
 
+bool wxWebViewWebKit::CanUndo()
+{
+    return [[m_webView undoManager] canUndo];
+}
+
+bool wxWebViewWebKit::CanRedo()
+{
+    return [[m_webView undoManager] canRedo];
+}
+
+void wxWebViewWebKit::Undo()
+{
+    [[m_webView undoManager] undo];
+}
+
+void wxWebViewWebKit::Redo()
+{
+    [[m_webView undoManager] redo];
+}
+
 //------------------------------------------------------------
 // Listener interfaces
 //------------------------------------------------------------
-- 
2.45.2