From bde025168953f2093c2b957ca978be90e8602de4 Mon Sep 17 00:00:00 2001
From: Kevin Krammer <kevin.krammer.qnx@kdab.com>
Date: Wed, 29 Feb 2012 14:00:14 +0100
Subject: Fixing z-ordering of windows
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The application root window is at z-order == 0, all platform windows created
for Qt windows are its descendants, so their base value for z-order needs
to be 1.

Backport of qtbase 117bdad3f270a4c0589cff332a7a8e904263de08

Change-Id: Ic1fb91c30559177bc094a5db96e4088860a8d6ac
Reviewed-by: Sean Harmer <sh@theharmers.co.uk>
Reviewed-by: Nick Ratelle <nratelle@qnx.com>
Reviewed-by: Rafael Roquetto <rafael.roquetto@kdab.com>
Reviewed-by: Jørgen Lind <jorgen.lind@nokia.com>
---
 src/plugins/platforms/blackberry/qbbscreen.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/plugins/platforms/blackberry/qbbscreen.cpp b/src/plugins/platforms/blackberry/qbbscreen.cpp
index b2a1c8d..3ea0e40 100644
--- a/src/plugins/platforms/blackberry/qbbscreen.cpp
+++ b/src/plugins/platforms/blackberry/qbbscreen.cpp
@@ -294,7 +294,7 @@ void QBBScreen::updateHierarchy()
     QList<QBBWindow*>::iterator it;
     QList<QPlatformScreen *>::iterator sit;
     QMap<QPlatformScreen *, int> map;
-    int topZorder = 0;
+    int topZorder = 1; // root window is z-order 0, all "top" level windows are "above" it
 
     for (sit = sScreens.begin(); sit != sScreens.end(); sit++)
         map[*sit] = 0;
-- 
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