Add API to set TriggerTrack flag

This is intended to decide if a track will be visible on the
Trigger-Tab/Page. It should be kept in sync with trigger-processor
enable.

libs/ardour/ardour/presentation_info.h

@@ -41,6 +41,7 @@ namespace Properties {
 	LIBARDOUR_API extern PBD::PropertyDescriptor<uint32_t> order;
 	LIBARDOUR_API extern PBD::PropertyDescriptor<uint32_t> color;
 	LIBARDOUR_API extern PBD::PropertyDescriptor<bool> selected;
+	LIBARDOUR_API extern PBD::PropertyDescriptor<bool> trigger_track;
 	/* we use this; declared in region.cc */
 	LIBARDOUR_API extern PBD::PropertyDescriptor<bool> hidden;
 }
@@ -128,8 +129,16 @@ class LIBARDOUR_API PresentationInfo : public PBD::Stateful
 		/* bus type for monitor mixes */
 		FoldbackBus = 0x2000,
 
+		/* has TriggerBox, show on TriggerUI page */
+		TriggerTrack = 0x4000,
+
 		/* special mask to delect out "state" bits */
-		StatusMask = (Hidden),
+#ifdef MIXBUS
+		StatusMask = (Hidden | MixbusEditorHidden | TriggerTrack),
+#else
+		StatusMask = (Hidden | TriggerTrack),
+#endif
+
 		/* special mask to delect select type bits */
 		TypeMask = (AudioBus|AudioTrack|MidiTrack|MidiBus|VCA|MasterOut|MonitorOut|Auditioner|FoldbackBus)
 	};
@@ -160,6 +169,7 @@ class LIBARDOUR_API PresentationInfo : public PBD::Stateful
 
 	void set_color (color_t);
 	void set_hidden (bool yn);
+	void set_trigger_track (bool yn);
 	void set_flags (Flag f) { _flags = f; }
 
 	bool order_set() const { return _flags & OrderSet; }
@@ -167,6 +177,7 @@ class LIBARDOUR_API PresentationInfo : public PBD::Stateful
 	int selection_cnt() const { return _selection_cnt; }
 
 	bool hidden() const { return _flags & Hidden; }
+	bool trigger_track () const { return _flags & TriggerTrack; }
 	bool special(bool with_master = true) const { return _flags & ((with_master ? MasterOut : 0)|MonitorOut|Auditioner); }
 
 	bool flag_match (Flag f) const {

libs/ardour/enums.cc

@@ -757,6 +757,10 @@ setup_enum_writer ()
 	REGISTER_CLASS_ENUM (PresentationInfo, Hidden);
 	REGISTER_CLASS_ENUM (PresentationInfo, OrderSet);
 	REGISTER_CLASS_ENUM (PresentationInfo, FoldbackBus);
+	REGISTER_CLASS_ENUM (PresentationInfo, TriggerTrack);
+#ifdef MIXBUS
+	REGISTER_CLASS_ENUM (PresentationInfo, MixbusEditorHidden);
+#endif
 	REGISTER_BITS (_PresentationInfo_Flag);
 
 	REGISTER_CLASS_ENUM (MusicalMode,Dorian);

libs/ardour/luabindings.cc

@@ -1944,7 +1944,9 @@ LuaBindings::common (lua_State* L)
 		.addConst ("Auditioner", ARDOUR::PresentationInfo::Flag(PresentationInfo::Auditioner))
 		.addConst ("Hidden", ARDOUR::PresentationInfo::Flag(PresentationInfo::Hidden))
 		.addConst ("GroupOrderSet", ARDOUR::PresentationInfo::Flag(PresentationInfo::OrderSet))
+		.addConst ("TriggerTrack", ARDOUR::PresentationInfo::Flag(PresentationInfo::TriggerTrack))
 		.addConst ("StatusMask", ARDOUR::PresentationInfo::Flag(PresentationInfo::StatusMask))
+		.addConst ("TypeMask", ARDOUR::PresentationInfo::Flag(PresentationInfo::TypeMask))
 		.endNamespace ()
 		.endNamespace ()
 

libs/ardour/presentation_info.cc

@@ -56,6 +56,7 @@ namespace ARDOUR {
 		PBD::PropertyDescriptor<bool>     selected;
 		PBD::PropertyDescriptor<uint32_t> order;
 		PBD::PropertyDescriptor<uint32_t> color;
+		PBD::PropertyDescriptor<bool>     trigger_track;
 	}
 }
 
@@ -190,6 +191,9 @@ PresentationInfo::set_state (XMLNode const& node, int /* version */)
 		if ((f&Hidden) != (_flags&Hidden)) {
 			pc.add (Properties::hidden);
 		}
+		if ((f&TriggerTrack) != (_flags&TriggerTrack)) {
+			pc.add (Properties::trigger_track);
+		}
 		_flags = f;
 	}
 
@@ -285,6 +289,22 @@ PresentationInfo::set_order (order_t order)
 	}
 }
 
+void
+PresentationInfo::set_trigger_track (bool yn)
+{
+	if (yn != trigger_track ()) {
+
+		if (yn) {
+			_flags = Flag (_flags | TriggerTrack);
+		} else {
+			_flags = Flag (_flags & ~TriggerTrack);
+		}
+
+		send_change (PropertyChange (Properties::trigger_track));
+		send_static_change (PropertyChange (Properties::trigger_track));
+	}
+}
+
 PresentationInfo&
 PresentationInfo::operator= (PresentationInfo const& other)
 {