Add support for platform plugin specific event filters.

The setEventFilter on the platform native interface allows subscribing to
events on the backend by event name.

Change-Id: Ib10077fbc69f0207edbae1177e7bbd18c8d0f9ae
Reviewed-by: Jørgen Lind <jorgen.lind@nokia.com>
Reviewed-by: Michalina Ziemba <michalina.ziemba@nokia.com>

1 files changed, 3 insertions, 0 deletions

diff --git a/src/gui/kernel/qplatformnativeinterface_qpa.h b/src/gui/kernel/qplatformnativeinterface_qpa.h
index 47e2f82810..579a0bcd9b 100644
--- a/src/gui/kernel/qplatformnativeinterface_qpa.h
+++ b/src/gui/kernel/qplatformnativeinterface_qpa.h
@@ -70,6 +70,9 @@ public:
     virtual QVariant windowProperty(QPlatformWindow *window, const QString &name, const QVariant &defaultValue) const;
     virtual void setWindowProperty(QPlatformWindow *window, const QString &name, const QVariant &value);
 
+    typedef bool (*EventFilter)(void *message, long *result);
+    virtual EventFilter setEventFilter(const QByteArray &eventType, EventFilter filter);
+
 Q_SIGNALS:
     void windowPropertyChanged(QPlatformWindow *window, const QString &propertyName);
 };