From 0cf61613d9d329535cf965fd5bdd455736043c8e Mon Sep 17 00:00:00 2001
From: Jiri Hnidek <jiri.hnidek@tul.cz>
Date: Thu, 27 Oct 2005 16:54:33 +0000
Subject: [PATCH]  - bug fix: clicking at button "Flip Normals" in button
 window didn't    display changes in 3dview and data wasn't added to undo
 stack too

---
 source/blender/src/buttons_editing.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/source/blender/src/buttons_editing.c b/source/blender/src/buttons_editing.c
index cc3aea42238..5fb2066836d 100644
--- a/source/blender/src/buttons_editing.c
+++ b/source/blender/src/buttons_editing.c
@@ -2988,8 +2988,10 @@ void do_meshbuts(unsigned short event)
 		case B_FLIPNORM:
 			if(G.obedit) {
 				flip_editnormals();
+				DAG_object_flush_update(G.scene, G.obedit, OB_RECALC_DATA);
+				BIF_undo_push("Flip Normals");
+				allqueue(REDRAWVIEW3D, 0);
 			}
-			allqueue(REDRAWVIEW3D, 0);
 			break;
 
 		case B_SLOWERDRAW: