From fef79d46bb54c0e9179e54a0977eeb602e4b2db3 Mon Sep 17 00:00:00 2001
From: Len Ovens <len@ovenwerks.net>
Date: Mon, 4 Jul 2016 20:07:38 -0700
Subject: OSC: Signal for editor mixer change. (Selected or not)

---
 libs/ardour/ardour/session.h |  3 ++-
 libs/ardour/session.cc       |  1 +
 libs/surfaces/osc/osc.cc     | 26 +++++---------------------
 libs/surfaces/osc/osc.h      |  2 +-
 4 files changed, 9 insertions(+), 23 deletions(-)

(limited to 'libs')

diff --git a/libs/ardour/ardour/session.h b/libs/ardour/ardour/session.h
index 61c575e0b2..febfc2eb2f 100644
--- a/libs/ardour/ardour/session.h
+++ b/libs/ardour/ardour/session.h
@@ -823,7 +823,8 @@ class LIBARDOUR_API Session : public PBD::StatefulDestructible, public PBD::Scop
 	boost::shared_ptr<Route> monitor_out() const { return _monitor_out; }
 	boost::shared_ptr<Route> master_out() const { return _master_out; }
 	boost::weak_ptr<Route> get_editor_mixer() const { return _editor_mixer; }
-	void set_editor_mixer (boost::weak_ptr<Route> r) { _editor_mixer = r; }
+	void set_editor_mixer (boost::weak_ptr<Route> r) { _editor_mixer = r; EditorMixerChanged(); }
+	static PBD::Signal0<void> EditorMixerChanged;
 
 	void globally_add_internal_sends (boost::shared_ptr<Route> dest, Placement p, bool);
 	void globally_set_send_gains_from_track (boost::shared_ptr<Route> dest);
diff --git a/libs/ardour/session.cc b/libs/ardour/session.cc
index 94051b0f9d..33d8b08832 100644
--- a/libs/ardour/session.cc
+++ b/libs/ardour/session.cc
@@ -148,6 +148,7 @@ PBD::Signal0<void> Session::Quit;
 PBD::Signal0<void> Session::FeedbackDetected;
 PBD::Signal0<void> Session::SuccessfulGraphSort;
 PBD::Signal2<void,std::string,std::string> Session::VersionMismatch;
+PBD::Signal0<void> Session::EditorMixerChanged;
 
 const framecnt_t Session::bounce_chunk_size = 8192;
 static void clean_up_session_event (SessionEvent* ev) { delete ev; }
diff --git a/libs/surfaces/osc/osc.cc b/libs/surfaces/osc/osc.cc
index 98bf0505f9..f2fd8af867 100644
--- a/libs/surfaces/osc/osc.cc
+++ b/libs/surfaces/osc/osc.cc
@@ -249,8 +249,8 @@ OSC::start ()
 	periodic_connection = periodic_timeout->connect (sigc::mem_fun (*this, &OSC::periodic));
 	periodic_timeout->attach (main_loop()->get_context());
 
-	// catch GUI select changes for GUI_select mode
-	StripableSelectionChanged.connect (session_connections, MISSING_INVALIDATOR, boost::bind (&OSC::gui_selection_changed, this, _1), this);
+	// catch current editor mixer changes for GUI_select mode
+	session->EditorMixerChanged.connect (session_connections, MISSING_INVALIDATOR, boost::bind (&OSC::gui_selection_changed, this), this);
 
 	// catch track reordering
 	// receive routes added
@@ -1226,20 +1226,7 @@ OSC::get_surface (lo_address addr)
 	// if we do this when OSC is started we get the wrong stripable
 	// we don't need this until we actually have a surface to deal with
 	if (!_select) {
-		// guess at which stripable is the current editor mixerstrip
-		// right now just choose the first one we find, may be the wrong one
-		// hopefully we will have access to session->current_strip at some point
-		StripableList stripables;
-
-		session->get_stripables (stripables);
-
-		for (StripableList::iterator it = stripables.begin(); it != stripables.end(); ++it) {
-			boost::shared_ptr<Stripable> s = *it;
-			if (s->is_selected()) {
-				_select = s;
-				break;
-			}
-		}
+		gui_selection_changed();
 	}
 
 	// No surface create one with default values
@@ -2611,13 +2598,11 @@ OSC::route_plugin_parameter_print (int ssid, int piid, int par, lo_message msg)
 }
 
 void
-OSC::gui_selection_changed (StripableNotificationListPtr stripables)
+OSC::gui_selection_changed ()
 {
 	boost::shared_ptr<Stripable> strip;
 
-	if (!stripables->empty()) {
-		strip = boost::dynamic_pointer_cast<Stripable>(session->get_editor_mixer().lock());
-	}
+	strip = boost::dynamic_pointer_cast<Stripable>(session->get_editor_mixer().lock());
 	if (strip) {
 		_select = strip;
 		for (uint32_t it = 0; it < _surface.size(); ++it) {
@@ -2628,7 +2613,6 @@ OSC::gui_selection_changed (StripableNotificationListPtr stripables)
 			}
 		}
 	}
-
 }
 
 // timer callbacks
diff --git a/libs/surfaces/osc/osc.h b/libs/surfaces/osc/osc.h
index d828dffae7..6a38d32a31 100644
--- a/libs/surfaces/osc/osc.h
+++ b/libs/surfaces/osc/osc.h
@@ -486,7 +486,7 @@ class OSC : public ARDOUR::ControlProtocol, public AbstractUI<OSCUIRequest>
 	void end_listen (boost::shared_ptr<ARDOUR::Stripable>, lo_address);
 	void drop_route (boost::weak_ptr<ARDOUR::Stripable>);
 	void route_lost (boost::weak_ptr<ARDOUR::Stripable>);
-	void gui_selection_changed (ARDOUR::StripableNotificationListPtr stripables);
+	void gui_selection_changed (void);
 
 	void route_name_changed (const PBD::PropertyChange&, boost::weak_ptr<ARDOUR::Route> r, lo_address addr);
 	void recalcbanks ();
-- 
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