From dfdf07c21ae8cf91cf98c90d182652a00f080225 Mon Sep 17 00:00:00 2001
From: Campbell Barton <ideasman42@gmail.com>
Date: Mon, 14 Jan 2013 20:04:36 +0000
Subject: fix [#33831] "Alt" key is "Alt Window Deactivated" Patch from Patrick
 Zulke (pazul)

---
 intern/ghost/intern/GHOST_SystemX11.cpp | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'intern')

diff --git a/intern/ghost/intern/GHOST_SystemX11.cpp b/intern/ghost/intern/GHOST_SystemX11.cpp
index f5cb0d9323c..4abcfcc73ae 100644
--- a/intern/ghost/intern/GHOST_SystemX11.cpp
+++ b/intern/ghost/intern/GHOST_SystemX11.cpp
@@ -785,6 +785,11 @@ GHOST_SystemX11::processEvent(XEvent *xe)
 		
 			/* May have to look at the type of event and filter some out. */
 
+			if (xfe.detail != NotifyNonlinear) {
+				/* Needed for Ubuntu-Unity, see bug [#33831]  */
+				break;
+			}
+
 			GHOST_TEventType gtype = (xfe.type == FocusIn) ? 
 			                         GHOST_kEventWindowActivate : GHOST_kEventWindowDeactivate;
 
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