diff options
Diffstat (limited to 'libs/surfaces/control_protocol/control_protocol/control_protocol.h')
| -rw-r--r-- | libs/surfaces/control_protocol/control_protocol/control_protocol.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/libs/surfaces/control_protocol/control_protocol/control_protocol.h b/libs/surfaces/control_protocol/control_protocol/control_protocol.h index 8be652b9df..3635b267ce 100644 --- a/libs/surfaces/control_protocol/control_protocol/control_protocol.h +++ b/libs/surfaces/control_protocol/control_protocol/control_protocol.h @@ -45,6 +45,10 @@ class ControlProtocol : public sigc::trackable, public Stateful, public BasicUI virtual int set_active (bool yn) = 0; bool get_active() const { return _active; } + virtual int set_feedback (bool yn) { return 0; } + virtual bool get_feedback () const { return false; } + virtual bool supports_feedback () const { return false; } + sigc::signal<void> ActiveChanged; /* signals that a control protocol can emit and other (presumably graphical) |