From f2aac0bcae701a91926f7c63bf0ef6f68d952858 Mon Sep 17 00:00:00 2001
From: Len Ovens <len@ovenwerks.net>
Date: Mon, 15 May 2017 19:37:39 -0700
Subject: [PATCH] OSC: Add /strip/fader/touch

---
 libs/surfaces/osc/osc.cc | 96 +++++++++++++++++++++++++++++++++-------
 libs/surfaces/osc/osc.h  |  1 +
 2 files changed, 82 insertions(+), 15 deletions(-)

diff --git a/libs/surfaces/osc/osc.cc b/libs/surfaces/osc/osc.cc
index 2553499ad1..ff9e8aaf90 100644
--- a/libs/surfaces/osc/osc.cc
+++ b/libs/surfaces/osc/osc.cc
@@ -862,6 +862,10 @@ OSC::catchall (const char *path, const char* types, lo_arg **argv, int argc, lo_
 	if (strstr (path, "/automation")) {
 		ret = set_automation (path, argv, argc, msg);
 
+	} else
+	if (strstr (path, "/touch")) {
+		ret = touch_detect (path, argv, argc, msg);
+
 	} else
 	if (len >= 17 && !strcmp (&path[len-15], "/#current_value")) {
 		current_value_query (path, len, argv, argc, msg);
@@ -2207,24 +2211,22 @@ OSC::set_automation (const char *path, lo_arg **argv, int argc, lo_message msg)
 	uint32_t ctr = 0;
 	uint32_t aut = 0;
 
+	if (argc) {
+		if (argv[argc - 1]->f) {
+			aut = (int)argv[argc - 1]->f;
+		} else {
+			aut = argv[argc - 1]->i;
+		}
+	}
+
 	//parse path first to find stripable
 	if (!strncmp (path, "/strip/", 7)) {
 		// find ssid and stripable
 		if (argc > 1) {
 			strp = get_strip (argv[0]->i, get_address (msg));
-			if (argv[1]->f) {
-				aut = (int)argv[1]->f;
-			} else {
-				aut = argv[1]->i;
-			}
 		} else {
 			uint32_t ssid = atoi (&(strrchr (path, '/' ))[1]);
 			strp = get_strip (ssid, get_address (msg));
-			if (argv[0]->f) {
-				aut = (int)argv[0]->f;
-			} else {
-				aut = argv[0]->i;
-			}
 		}
 		ctr = 7;
 	} else if (!strncmp (path, "/select/", 8)) {
@@ -2233,11 +2235,6 @@ OSC::set_automation (const char *path, lo_arg **argv, int argc, lo_message msg)
 		} else {
 			strp = ControlProtocol::first_selected_stripable();
 		}
-		if (argv[0]->f) {
-			aut = (int)argv[0]->f;
-		} else {
-			aut = argv[0]->i;
-		}
 		ctr = 8;
 	} else {
 		return ret;
@@ -2283,6 +2280,75 @@ OSC::set_automation (const char *path, lo_arg **argv, int argc, lo_message msg)
 	return ret;
 }
 
+int
+OSC::touch_detect (const char *path, lo_arg **argv, int argc, lo_message msg)
+{
+	if (!session) return -1;
+
+	int ret = 1;
+	OSCSurface *sur = get_surface(get_address (msg));
+	boost::shared_ptr<Stripable> strp = boost::shared_ptr<Stripable>();
+	uint32_t ctr = 0;
+	uint32_t touch = 0;
+
+	if (argc) {
+		if (argv[argc - 1]->f) {
+			touch = (int)argv[argc - 1]->f;
+		} else {
+			touch = argv[argc - 1]->i;
+		}
+	}
+
+	//parse path first to find stripable
+	if (!strncmp (path, "/strip/", 7)) {
+		// find ssid and stripable
+		if (argc > 1) {
+			strp = get_strip (argv[0]->i, get_address (msg));
+		} else {
+			uint32_t ssid = atoi (&(strrchr (path, '/' ))[1]);
+			strp = get_strip (ssid, get_address (msg));
+		}
+		ctr = 7;
+	} else if (!strncmp (path, "/select/", 8)) {
+		if (sur->expand_enable && sur->expand) {
+			strp = get_strip (sur->expand, get_address (msg));
+		} else {
+			strp = ControlProtocol::first_selected_stripable();
+		}
+		ctr = 8;
+	} else {
+		return ret;
+	}
+	if (strp) {
+		boost::shared_ptr<AutomationControl> control = boost::shared_ptr<AutomationControl>();
+		// other automatable controls can be added by repeating the next 6.5 lines
+		if ((!strncmp (&path[ctr], "fader", 5)) || (!strncmp (&path[ctr], "gain", 4))) {
+			if (strp->gain_control ()) {
+				control = strp->gain_control ();
+			} else {
+				PBD::warning << "No fader for this strip" << endmsg;
+			}
+		} else {
+			PBD::warning << "Automation not available for " << path << endmsg;
+		}
+
+		if (control) {
+			if (touch) {
+				//start touch
+				if (!control->touching ()) {
+					control->start_touch (control->session().transport_frame());
+				}
+			} else {
+				// end touch
+				control->stop_touch (true, control->session().transport_frame());
+			}
+
+		}
+	}
+
+	return ret;
+}
+
 int
 OSC::route_mute (int ssid, int yn, lo_message msg)
 {
diff --git a/libs/surfaces/osc/osc.h b/libs/surfaces/osc/osc.h
index c21ea1dc0a..b87994c30e 100644
--- a/libs/surfaces/osc/osc.h
+++ b/libs/surfaces/osc/osc.h
@@ -231,6 +231,7 @@ class OSC : public ARDOUR::ControlProtocol, public AbstractUI<OSCUIRequest>
 	static int _catchall (const char *path, const char *types, lo_arg **argv, int argc, void *data, void *user_data);
 
 	int set_automation (const char *path, lo_arg **argv, int argc, lo_message msg);
+	int touch_detect (const char *path, lo_arg **argv, int argc, lo_message msg);
 
 	int route_get_sends (lo_message msg);
 	int route_get_receives(lo_message msg);