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authorLaurent Pinchart <laurent.pinchart@ideasonboard.com>2021-08-27 04:05:33 +0300
committerLaurent Pinchart <laurent.pinchart@ideasonboard.com>2021-09-02 01:16:45 +0300
commit58720e1dc98186e79ef4e758a851b58df562f7b4 (patch)
tree00c8b9701e937dd1d7a47937bf1792cd623ef834 /test/controls
parentc4e2b00d51f150632b203f81866604168d2ac1ff (diff)
libcamera: base: signal: Support connecting signals to functors
It can be useful to connect a signal to a functor, and in particular a lambda function, while still operating in the context of a receiver object (to support both object-based disconnection and queued connections to Object instances). Add a BoundMethodFunctor class to bind a functor, and a corresponding Signal::connect() function. There is no corresponding disconnect() function, as a lambda passed to connect() can't be later passed to disconnect(). Disconnection typically uses disconnect(T *object), which will cover the vast majority of use cases. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Umang Jain <umang.jain@ideasonboard.com>
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