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, 7 insertions, 1 deletions

diff --git a/src/plugins/platforms/qnx/qqnxscreeneventhandler.h b/src/plugins/platforms/qnx/qqnxscreeneventhandler.h
index 365351766c..06cc7a0b32 100644
--- a/src/plugins/platforms/qnx/qqnxscreeneventhandler.h
+++ b/src/plugins/platforms/qnx/qqnxscreeneventhandler.h
@@ -48,8 +48,9 @@
 
 QT_BEGIN_NAMESPACE
 
-class QQnxScreenEventHandler
+class QQnxScreenEventHandler : public QObject
 {
+    Q_OBJECT
 public:
     QQnxScreenEventHandler();
 
@@ -58,11 +59,16 @@ public:
 
     static void injectKeyboardEvent(int flags, int sym, int mod, int scan, int cap);
 
+Q_SIGNALS:
+    void newWindowCreated(void *window);
+    void windowClosed(void *window);
+
 private:
     void handleKeyboardEvent(screen_event_t event);
     void handlePointerEvent(screen_event_t event);
     void handleTouchEvent(screen_event_t event, int qnxType);
     void handleCloseEvent(screen_event_t event);
+    void handleCreateEvent(screen_event_t event);
 
 private:
     enum {