From 135814cf0db708421e784c10a4cf9bbba104e7e1 Mon Sep 17 00:00:00 2001
From: Robin Gareus <robin@gareus.org>
Date: Fri, 24 Apr 2020 00:25:24 +0200
Subject: Expose pan-link via Send API, emit signal on change

---
 libs/ardour/ardour/send.h |  4 ++++
 libs/ardour/send.cc       | 24 ++++++++++++++++++++++++
 2 files changed, 28 insertions(+)

(limited to 'libs')

diff --git a/libs/ardour/ardour/send.h b/libs/ardour/ardour/send.h
index fe66053c02..1957c19a50 100644
--- a/libs/ardour/ardour/send.h
+++ b/libs/ardour/ardour/send.h
@@ -84,6 +84,10 @@ public:
 	void set_remove_on_disconnect (bool b) { _remove_on_disconnect = b; }
 	bool remove_on_disconnect () const { return _remove_on_disconnect; }
 
+	bool has_panner () const;
+	bool panner_linked_to_route () const;
+	void set_panner_linked_to_route (bool);
+
 	uint32_t pans_required() const { return _configured_input.n_audio(); }
 
 	void run (BufferSet& bufs, samplepos_t start_sample, samplepos_t end_sample, double speed, pframes_t nframes, bool);
diff --git a/libs/ardour/send.cc b/libs/ardour/send.cc
index d96bc2db58..283e8d3259 100644
--- a/libs/ardour/send.cc
+++ b/libs/ardour/send.cc
@@ -433,6 +433,30 @@ Send::set_state_2X (const XMLNode& node, int /* version */)
 	return 0;
 }
 
+bool
+Send::has_panner () const
+{
+	/* see InternalSend::run() and Delivery::run */
+	if (_panshell && role () != Listen && _panshell->panner()) {
+		return true; // !_panshell->bypassed ()
+	}
+	return false;
+}
+
+bool
+Send::panner_linked_to_route () const
+{
+	return _panshell ? _panshell->is_linked_to_route() : false;
+}
+
+void
+Send::set_panner_linked_to_route (bool onoff) {
+	if (_panshell) {
+		_panshell->set_linked_to_route (onoff);
+		PropertyChanged (PBD::PropertyChange ()); /* EMIT SIGNAL */
+	}
+}
+
 bool
 Send::can_support_io_configuration (const ChanCount& in, ChanCount& out)
 {
-- 
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