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Add Input::Session::exclusive() interface

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This interface allows a GUI client to express the intent to exclusively
observe relative motion events while locking the absolute pointer
position. This patch merely extends the interface without implementing
it.

As this change touches os/include/input/component.h, it moves the
manage/dissolve operations into the class, ensuring the call of
dissolve at destruction time.

Issue #5355
This commit is contained in:
Norman Feske
2024-10-03 17:46:32 +02:00
committed by Christian Helmuth
parent 318d641266
commit d7830a0ce6
10 changed files with 136 additions and 69 deletions
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28
repos/os/include/input_session/input_session.h
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@ -19,7 +19,12 @@
#include <session/session.h>
#include <base/signal.h>
namespace Input { struct Session; }
namespace Input {
using namespace Genode;
struct Session;
}
struct Input::Session : Genode::Session
@ -41,7 +46,7 @@ struct Input::Session : Genode::Session
/**
* Return capability to event buffer dataspace
*/
virtual Genode::Dataspace_capability dataspace() = 0;
virtual Dataspace_capability dataspace() = 0;
/**
* Request input state
@ -60,19 +65,26 @@ struct Input::Session : Genode::Session
/**
* Register signal handler to be notified on arrival of new input
*/
virtual void sigh(Genode::Signal_context_capability) = 0;
virtual void sigh(Signal_context_capability) = 0;
/**
* Express intent to receive relative pointer events exclusively
*/
virtual void exclusive(bool) = 0;
/*********************
** RPC declaration **
*********************/
GENODE_RPC(Rpc_dataspace, Genode::Dataspace_capability, dataspace);
GENODE_RPC(Rpc_pending, bool, pending);
GENODE_RPC(Rpc_flush, int, flush);
GENODE_RPC(Rpc_sigh, void, sigh, Genode::Signal_context_capability);
GENODE_RPC(Rpc_dataspace, Dataspace_capability, dataspace);
GENODE_RPC(Rpc_pending, bool, pending);
GENODE_RPC(Rpc_flush, int, flush);
GENODE_RPC(Rpc_sigh, void, sigh, Signal_context_capability);
GENODE_RPC(Rpc_exclusive, void, exclusive, bool);
GENODE_RPC_INTERFACE(Rpc_dataspace, Rpc_pending, Rpc_flush, Rpc_sigh);
GENODE_RPC_INTERFACE(Rpc_dataspace, Rpc_pending, Rpc_flush, Rpc_sigh,
Rpc_exclusive);
};
#endif /* _INCLUDE__INPUT_SESSION__INPUT_SESSION_H_ */