class ContextMenuConnector registers a native preview event handler (in method #init), but never releases it. This is both a problem of memory (widget never get released, including all stuff hanging on those objects) and of performance (more and more handlers have to be invoked with every native event)
class ContextMenuConnector registers a native preview event handler (in method #init), but never releases it. This is both a problem of memory (widget never get released, including all stuff hanging on those objects) and of performance (more and more handlers have to be invoked with every native event)