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, 12 insertions, 0 deletions

diff --git a/src/plugins/platforms/xcb/qxcbnativeinterface.cpp b/src/plugins/platforms/xcb/qxcbnativeinterface.cpp
index 52ff30991e..535d66aa39 100644
--- a/src/plugins/platforms/xcb/qxcbnativeinterface.cpp
+++ b/src/plugins/platforms/xcb/qxcbnativeinterface.cpp
@@ -118,6 +118,18 @@ void *QXcbNativeInterface::nativeResourceForWindow(const QByteArray &resourceStr
     return result;
 }
 
+QPlatformNativeInterface::EventFilter QXcbNativeInterface::setEventFilter(const QByteArray &eventType, QPlatformNativeInterface::EventFilter filter)
+{
+    EventFilter oldFilter = m_eventFilters.value(eventType);
+    m_eventFilters.insert(eventType, filter);
+    return oldFilter;
+}
+
+QPlatformNativeInterface::EventFilter QXcbNativeInterface::eventFilterForEventType(const QByteArray& eventType) const
+{
+    return m_eventFilters.value(eventType);
+}
+
 QXcbScreen *QXcbNativeInterface::qPlatformScreenForWindow(QWindow *window)
 {
     QXcbScreen *screen;