From 5c2e560fe94e00502b7de811cd33c4da08b18c2b Mon Sep 17 00:00:00 2001
From: Kevin Krammer <kevin.krammer.qnx@kdab.com>
Date: Fri, 20 Apr 2012 17:53:54 +0200
Subject: [PATCH] Send Expose event when top level window becomes visible

Change-Id: I0b45c27fa03bbe073c88ce8d01d9fb283f4051c1
Reviewed-by: Nicolas Arnaud-Cormos <nicolas@kdab.com>
Reviewed-by: Rafael Roquetto <rafael.roquetto@kdab.com>
Reviewed-by: Sean Harmer <sean.harmer@kdab.com>
Reviewed-by: Robin Burchell <robin+qt@viroteck.net>
---
 src/plugins/platforms/qnx/qqnxwindow.cpp | 8 ++++++++
 src/plugins/platforms/qnx/qqnxwindow.h   | 2 ++
 2 files changed, 10 insertions(+)

diff --git a/src/plugins/platforms/qnx/qqnxwindow.cpp b/src/plugins/platforms/qnx/qqnxwindow.cpp
index 2b41631d06..85c3e495f8 100644
--- a/src/plugins/platforms/qnx/qqnxwindow.cpp
+++ b/src/plugins/platforms/qnx/qqnxwindow.cpp
@@ -240,6 +240,9 @@ void QQnxWindow::setVisible(bool visible)
     root->updateVisibility(root->m_visible);
 
     window()->requestActivateWindow();
+
+    if (window()->isTopLevel() && visible)
+        QWindowSystemInterface::handleExposeEvent(window(), window()->geometry());
 }
 
 void QQnxWindow::updateVisibility(bool parentVisible)
@@ -278,6 +281,11 @@ void QQnxWindow::setOpacity(qreal level)
     //       the transparency will look wrong...
 }
 
+bool QQnxWindow::isExposed() const
+{
+    return m_visible;
+}
+
 void QQnxWindow::setBufferSize(const QSize &size)
 {
 #if defined(QQNXWINDOW_DEBUG)
diff --git a/src/plugins/platforms/qnx/qqnxwindow.h b/src/plugins/platforms/qnx/qqnxwindow.h
index 63e71c0bf8..fc27c128b6 100644
--- a/src/plugins/platforms/qnx/qqnxwindow.h
+++ b/src/plugins/platforms/qnx/qqnxwindow.h
@@ -73,6 +73,8 @@ public:
     void setVisible(bool visible);
     void setOpacity(qreal level);
 
+    bool isExposed() const;
+
     WId winId() const { return (WId)m_window; }
     screen_window_t nativeHandle() const { return m_window; }