From 8765359db2ba3f655009c1248155862dd60b89c5 Mon Sep 17 00:00:00 2001
From: Paul Davis <paul@linuxaudiosystems.com>
Date: Tue, 24 Nov 2015 21:10:22 -0500
Subject: [PATCH] faderport: after connecting, turn off all lights, then party
 with them, then turn them all off

---
 libs/surfaces/faderport/faderport.cc | 40 +++++++++++++++++++++++++---
 libs/surfaces/faderport/faderport.h  |  7 ++++-
 2 files changed, 43 insertions(+), 4 deletions(-)

diff --git a/libs/surfaces/faderport/faderport.cc b/libs/surfaces/faderport/faderport.cc
index 11aefa0566..fc8d42f4cb 100644
--- a/libs/surfaces/faderport/faderport.cc
+++ b/libs/surfaces/faderport/faderport.cc
@@ -17,11 +17,12 @@
 
 */
 
-#include <stdint.h>
-
+#include <cstdlib>
 #include <sstream>
 #include <algorithm>
 
+#include <stdint.h>
+
 #include <glibmm/fileutils.h>
 #include <glibmm/miscutils.h>
 
@@ -167,10 +168,34 @@ FaderPort::~FaderPort ()
 	tear_down_gui ();
 }
 
+void
+FaderPort::all_lights_out ()
+{
+	for (ButtonMap::iterator b = buttons.begin(); b != buttons.end(); ++b) {
+		b->second.set_led_state (_output_port, false);
+		g_usleep (1000);
+	}
+}
+
+void
+FaderPort::party ()
+{
+	for (int n = 0; n < 5; ++n) {
+		for (ButtonMap::iterator b = buttons.begin(); b != buttons.end(); ++b) {
+			b->second.set_led_state (_output_port, random() % 3);
+			g_usleep (1000);
+		}
+		g_usleep (250000);
+	}
+
+	all_lights_out ();
+}
+
+
 FaderPort::ButtonInfo&
 FaderPort::button_info (ButtonID id) const
 {
-	map<ButtonID,ButtonInfo>::const_iterator b = buttons.find (id);
+	ButtonMap::const_iterator b = buttons.find (id);
 	assert (b != buttons.end());
 	return const_cast<ButtonInfo&>(b->second);
 }
@@ -240,6 +265,10 @@ FaderPort::sysex_handler (MIDI::Parser &p, MIDI::byte *buf, size_t sz)
 		native[2] = 0x64;
 
 		_output_port->write (native, 3, 0);
+
+		g_usleep (10000);
+		all_lights_out ();
+		party ();
 	}
 }
 
@@ -524,6 +553,11 @@ FaderPort::ButtonInfo::set_led_state (boost::shared_ptr<MIDI::Port> port, int on
 		return;
 	}
 
+	if (out < 0) {
+		/* fader button ID - no LED */
+		return;
+	}
+
 	MIDI::byte buf[3];
 	buf[0] = 0xa0;
 	buf[1] = out;
diff --git a/libs/surfaces/faderport/faderport.h b/libs/surfaces/faderport/faderport.h
index 570a4f3c18..82006a3507 100644
--- a/libs/surfaces/faderport/faderport.h
+++ b/libs/surfaces/faderport/faderport.h
@@ -239,8 +239,13 @@ class FaderPort : public ARDOUR::ControlProtocol {
 		} on_release;
 	};
 
-	std::map<ButtonID,ButtonInfo> buttons;
+	typedef std::map<ButtonID,ButtonInfo> ButtonMap;
+
+	ButtonMap buttons;
 	ButtonInfo& button_info (ButtonID) const;
+
+	void all_lights_out ();
+	void party ();
 };
 
 }