From 779ec041b598480d9d1b7595c3dbc605bcb70263 Mon Sep 17 00:00:00 2001
From: Paul Davis <paul@linuxaudiosystems.com>
Date: Fri, 27 Nov 2015 16:34:01 -0500
Subject: faderport: basic panning via encoder knob.

Doesn't help with 2=>2 panner, where width control is also required
---
 libs/surfaces/faderport/faderport.cc  | 15 ++++++++-------
 libs/surfaces/faderport/faderport.h   |  3 +++
 libs/surfaces/faderport/operations.cc | 29 +++++++++++++++++++++++++++++
 3 files changed, 40 insertions(+), 7 deletions(-)

(limited to 'libs/surfaces')

diff --git a/libs/surfaces/faderport/faderport.cc b/libs/surfaces/faderport/faderport.cc
index d1266bc3e5..6111a4ef95 100644
--- a/libs/surfaces/faderport/faderport.cc
+++ b/libs/surfaces/faderport/faderport.cc
@@ -44,6 +44,7 @@
 #include "ardour/midi_port.h"
 #include "ardour/midiport_manager.h"
 #include "ardour/monitor_processor.h"
+#include "ardour/profile.h"
 #include "ardour/rc_configuration.h"
 #include "ardour/route.h"
 #include "ardour/session.h"
@@ -316,11 +317,9 @@ void
 FaderPort::encoder_handler (MIDI::Parser &, MIDI::pitchbend_t pb)
 {
 	int delta = 1;
-	if (pb < 8192) {
-		cerr << "Encoder right\n";
-	} else {
+
+	if (pb >= 8192) {
 		delta = -1;
-		cerr << "Encoder left\n";
 	}
 
 	//knob debouncing and hysteresis.  The presonus encoder often sends bursts of events, or goes the wrong direction
@@ -357,11 +356,13 @@ FaderPort::encoder_handler (MIDI::Parser &, MIDI::pitchbend_t pb)
 				gain->set_user(val);
 			}
 		} else {  //pan / balance
-			//ToDo
+			if (!Profile->get_mixbus()) {
+				ardour_pan (delta);
+			} else {
+				mixbus_pan (delta);
+			}
 		}
-
 	}
-
 }
 
 void
diff --git a/libs/surfaces/faderport/faderport.h b/libs/surfaces/faderport/faderport.h
index cb5330f1c0..3af6280e2e 100644
--- a/libs/surfaces/faderport/faderport.h
+++ b/libs/surfaces/faderport/faderport.h
@@ -278,6 +278,9 @@ class FaderPort : public ARDOUR::ControlProtocol, public AbstractUI<FaderPortReq
 	void solo ();
 	void mute ();
 	void rec_enable ();
+
+	void ardour_pan (int);
+	void mixbus_pan (int);
 };
 
 }
diff --git a/libs/surfaces/faderport/operations.cc b/libs/surfaces/faderport/operations.cc
index fd9930be0c..73a8e25f51 100644
--- a/libs/surfaces/faderport/operations.cc
+++ b/libs/surfaces/faderport/operations.cc
@@ -19,6 +19,7 @@
 
 #include "ardour/async_midi_port.h"
 #include "ardour/monitor_processor.h"
+#include "ardour/pannable.h"
 #include "ardour/rc_configuration.h"
 #include "ardour/session.h"
 #include "ardour/track.h"
@@ -205,3 +206,31 @@ FaderPort::use_monitor ()
 	} else {
 	}
 }
+
+void
+FaderPort::ardour_pan (int delta)
+{
+	if (!_current_route) {
+		return;
+	}
+
+	boost::shared_ptr<Pannable> pannable = _current_route->pannable ();
+
+	if (!pannable) {
+		return;
+	}
+
+	boost::shared_ptr<AutomationControl> azimuth = pannable->pan_azimuth_control;
+
+	if (!azimuth) {
+		return;
+	}
+
+	azimuth->set_value (azimuth->interface_to_internal (azimuth->internal_to_interface (azimuth->get_value()) + (delta / 64.0)));
+}
+
+void
+FaderPort::mixbus_pan (int delta)
+{
+
+}
-- 
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