FP8: Fix Mixbus solo-state and indicate implicit solo (blink)

libs/surfaces/faderport8/actions.cc

@@ -307,6 +307,9 @@ void
 FaderPort8::button_solo_clear ()
 {
 	bool soloing = session->soloing() || session->listening();
+#ifdef MIXBUS
+	soloing |= session->mixbus_soloed();
+#endif
 	if (soloing) {
 		StripableList all;
 		session->get_stripables (all);
@@ -314,9 +317,9 @@ FaderPort8::button_solo_clear ()
 			if ((*i)->is_master() || (*i)->is_auditioner() || (*i)->is_monitor()) {
 				continue;
 			}
-			boost::shared_ptr<AutomationControl> ac = (*i)->solo_control();
+			boost::shared_ptr<SoloControl> sc = (*i)->solo_control();
-			if (ac && ac->get_value () > 0) {
+			if (sc && sc->self_soloed ()) {
-				_solo_state.push_back (boost::weak_ptr<AutomationControl>(ac));
+				_solo_state.push_back (boost::weak_ptr<AutomationControl>(sc));
 			}
 		}
 		AccessAction ("Main", "cancel-solo");

libs/surfaces/faderport8/callbacks.cc

@@ -187,6 +187,9 @@ void
 FaderPort8::notify_solo_changed ()
 {
 	bool soloing = session->soloing() || session->listening();
+#ifdef MIXBUS
+	soloing |= session->mixbus_soloed();
+#endif
 	_ctrls.button (FP8Controls::BtnSoloClear).set_active (soloing);
 #ifdef FP8_MUTESOLO_UNDO
 	if (soloing) {

libs/surfaces/faderport8/fp8_button.h

@@ -106,20 +106,22 @@ public:
 		return true;
 	}
 
-	void ignore_release () {
+	virtual void ignore_release () {
 		if (_pressed) {
 			_ignore_release = true;
 		}
 	}
 
+	bool blinking () const { return _blinking; }
+
 	void set_blinking (bool yes) {
 		if (yes && !_blinking) {
 			_blinking = true;
 			_base.BlinkIt.connect_same_thread (_blink_connection, boost::bind (&FP8ButtonBase::blink, this, _1));
 		} else if (!yes && _blinking) {
 			_blink_connection.disconnect ();
-			blink (true);
 			_blinking = false;
+			blink (true);
 		}
 	}
 
@@ -360,14 +362,12 @@ private:
 // short press: activate in press, deactivate on release,
 // long press + hold, activate on press, de-activate directly on release
 // e.g. mute/solo  press + hold => changed()
-class FP8MomentaryButton : public FP8ButtonInterface
+class FP8MomentaryButton : public FP8ButtonBase
 {
 public:
 	FP8MomentaryButton (FP8Base& b, uint8_t id)
-		: _base (b)
+		: FP8ButtonBase (b)
 		, _midi_id (id)
-		, _pressed (false)
-		, _active (false)
 	{}
 
 	~FP8MomentaryButton () {
@@ -391,6 +391,8 @@ public:
 		_hold_connection.disconnect ();
 	}
 
+	void ignore_release () { }
+
 	bool midi_event (bool a)
 	{
 		if (a == _pressed) {
@@ -423,12 +425,18 @@ public:
 	}
 
 protected:
-	FP8Base& _base;
+	void blink (bool onoff)
+	{
+		if (!blinking ()) {
+			_base.tx_midi3 (0x90, _midi_id, _active ? 0x7f : 0x00);
+			return;
+		}
+		_base.tx_midi3 (0x90, _midi_id, onoff ? 0x7f : 0x00);
+	}
+
 	uint8_t  _midi_id; // MIDI-note
-	bool     _pressed;
 	bool     _momentaty;
 	bool     _was_active_on_press;
-	bool     _active;
 
 private:
 	bool hold_timeout ()

libs/surfaces/faderport8/fp8_strip.cc

@@ -91,6 +91,7 @@ FP8Strip::initialize ()
 	 * ie from FaderPort8::connected()
 	 */
 	_solo.set_active (false);
+	_solo.set_blinking (false);
 	_mute.set_active (false);
 
 	/* reset momentary button state */
@@ -414,8 +415,16 @@ void
 FP8Strip::notify_solo_changed ()
 {
 	if (_solo_ctrl) {
-		_solo.set_active (_solo_ctrl->get_value () > 0);
+		boost::shared_ptr<SoloControl> sc = boost::dynamic_pointer_cast<SoloControl> (_solo_ctrl);
+		if (sc) {
+			_solo.set_blinking (sc->soloed_by_others () && !sc->self_soloed ());
+			_solo.set_active (sc->self_soloed ());
+		} else {
+			_solo.set_blinking (false);
+			_solo.set_active (_solo_ctrl->get_value () > 0);
+		}
 	} else {
+		_solo.set_blinking (false);
 		_solo.set_active (false);
 	}
 }