From f0a12083473c8bff6764a9ee8dea25e4d9cda0b4 Mon Sep 17 00:00:00 2001
From: wmayer <wmayer@users.sourceforge.net>
Date: Fri, 26 Dec 2014 22:46:02 +0100
Subject: [PATCH] + make undo/redo accessible from drawing view

---
 src/Mod/Drawing/Gui/DrawingView.cpp | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/src/Mod/Drawing/Gui/DrawingView.cpp b/src/Mod/Drawing/Gui/DrawingView.cpp
index b5f0166d5d..3cd5c5e61e 100644
--- a/src/Mod/Drawing/Gui/DrawingView.cpp
+++ b/src/Mod/Drawing/Gui/DrawingView.cpp
@@ -327,6 +327,20 @@ bool DrawingView::onMsg(const char* pMsg, const char** ppReturn)
             return true;
         }
     }
+    else  if(strcmp("Undo",pMsg) == 0 ) {
+        Gui::Document *doc = getGuiDocument();
+        if (doc) {
+            doc->undo(1);
+            return true;
+        }
+    }
+    else  if(strcmp("Redo",pMsg) == 0 ) {
+        Gui::Document *doc = getGuiDocument();
+        if (doc) {
+            doc->redo(1);
+            return true;
+        }
+    }
     return false;
 }
 
@@ -338,6 +352,14 @@ bool DrawingView::onHasMsg(const char* pMsg) const
         return getGuiDocument() != 0;
     else if (strcmp("SaveAs",pMsg) == 0)
         return getGuiDocument() != 0;
+    else if (strcmp("Undo",pMsg) == 0) {
+        App::Document* doc = getAppDocument();
+        return doc && doc->getAvailableUndos() > 0;
+    }
+    else if (strcmp("Redo",pMsg) == 0) {
+        App::Document* doc = getAppDocument();
+        return doc && doc->getAvailableRedos() > 0;
+    }
     else if (strcmp("Print",pMsg) == 0)
         return true;
     else if (strcmp("PrintPreview",pMsg) == 0)