From 70c578cb5ec2964a75069ed6ca1353627e8cbe55 Mon Sep 17 00:00:00 2001
From: Giulio Camuffo <giulio.camuffo@jollamobile.com>
Date: Tue, 4 Feb 2014 11:28:31 +0200
Subject: [PATCH] Fix the client behavior when showing or hiding a surface
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Reduce the chances of seeing a bad frame.

Change-Id: Idac3450d92210fc5fc33cb68862b089964c9a8ce
Reviewed-by: Jørgen Lind <jorgen.lind@digia.com>
---
 src/plugins/platforms/wayland/qwaylandwindow.cpp | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/src/plugins/platforms/wayland/qwaylandwindow.cpp b/src/plugins/platforms/wayland/qwaylandwindow.cpp
index 67f122fb4a6..920c97780e7 100644
--- a/src/plugins/platforms/wayland/qwaylandwindow.cpp
+++ b/src/plugins/platforms/wayland/qwaylandwindow.cpp
@@ -207,9 +207,6 @@ void QWaylandWindow::setGeometry(const QRect &rect)
 void QWaylandWindow::setVisible(bool visible)
 {
     if (visible) {
-        if (mBuffer)
-            attach(mBuffer->buffer(), 0, 0);
-
         if (window()->type() == Qt::Popup && transientParent()) {
             QWaylandWindow *parent = transientParent();
             mMouseDevice = parent->mMouseDevice;
@@ -230,10 +227,10 @@ void QWaylandWindow::setVisible(bool visible)
         // QWaylandShmBackingStore::beginPaint().
     } else {
         QWindowSystemInterface::handleExposeEvent(window(), QRegion());
+        QWindowSystemInterface::flushWindowSystemEvents();
         attach(static_cast<QWaylandBuffer *>(0), 0, 0);
+        commit();
     }
-    damage(QRect(QPoint(0,0),geometry().size()));
-    commit();
 }