Add support for screen overlays / foreign windows

We're not the only one creating native windows. When using the
multimedia API, the multimedia library creates a video window
for video display. Here we need to deal with giving this video
window overlay a proper z-order, otherwise it will never get
visible.

Change-Id: Ibff0382ebee5cda87408b91c8181a4104fc4a1a3
Reviewed-by: Sean Harmer <sean.harmer@kdab.com>
Reviewed-by: Kevin Krammer <kevin.krammer@kdab.com>
Reviewed-by: Robin Burchell <robin+qt@viroteck.net>

1 files changed, 10 insertions, 1 deletions

diff --git a/src/plugins/platforms/qnx/qqnxintegration.cpp b/src/plugins/platforms/qnx/qqnxintegration.cpp
index 43f474a158..40e29981ce 100644
--- a/src/plugins/platforms/qnx/qqnxintegration.cpp
+++ b/src/plugins/platforms/qnx/qqnxintegration.cpp
@@ -46,6 +46,7 @@
 #include "qqnxnavigatoreventhandler.h"
 #include "qqnxrasterbackingstore.h"
 #include "qqnxscreen.h"
+#include "qqnxscreeneventhandler.h"
 #include "qqnxwindow.h"
 #include "qqnxvirtualkeyboard.h"
 #include "qqnxclipboard.h"
@@ -85,6 +86,7 @@ QQnxIntegration::QQnxIntegration()
     , m_paintUsingOpenGL(false)
     , m_eventDispatcher(createUnixEventDispatcher())
     , m_services(0)
+    , m_screenEventHandler(new QQnxScreenEventHandler())
 #ifndef QT_NO_CLIPBOARD
     , m_clipboard(0)
 #endif
@@ -106,7 +108,7 @@ QQnxIntegration::QQnxIntegration()
     QQnxGLContext::initialize();
 
     // Create/start event thread
-    m_eventThread = new QQnxEventThread(m_screenContext);
+    m_eventThread = new QQnxEventThread(m_screenContext, m_screenEventHandler);
     m_eventThread->start();
 
     // Create/start navigator event handler
@@ -145,6 +147,8 @@ QQnxIntegration::~QQnxIntegration()
     qDebug() << "QQnx: platform plugin shutdown begin";
 #endif
 
+    delete m_screenEventHandler;
+
     // Destroy input context
     delete m_inputContext;
 
@@ -342,6 +346,11 @@ void QQnxIntegration::createDisplays()
         QQnxScreen *screen = new QQnxScreen(m_screenContext, displays[i], i==0);
         m_screens.append(screen);
         screenAdded(screen);
+
+        QObject::connect(m_screenEventHandler, SIGNAL(newWindowCreated(void *)),
+                         screen, SLOT(newWindowCreated(void *)));
+        QObject::connect(m_screenEventHandler, SIGNAL(windowClosed(void *)),
+                         screen, SLOT(windowClosed(void *)));
     }
 }