lots more work trying to create a common structure for accessing plugin and MIDNAME patch/preset/program names. still not done

git-svn-id: svn://localhost/ardour2/branches/3.0@12665 d708f5d6-7413-0410-9779-e7cbd77b26cf

1 files changed, 20 insertions, 10 deletions

diff --git a/libs/ardour/ardour/plugin.h b/libs/ardour/ardour/plugin.h
index cfdf0e8121..f33fb9d1e5 100644
--- a/libs/ardour/ardour/plugin.h
+++ b/libs/ardour/ardour/plugin.h
@@ -166,16 +166,17 @@ class Plugin : public PBD::StatefulDestructible, public Latent
 	void monitoring_changed ();
 
 	struct PresetRecord {
-		PresetRecord () : user (true) {}
-		PresetRecord (const std::string& u, const std::string& l, bool s = true) : uri (u), label (l), user (s)  {}
-
-		bool operator!= (PresetRecord const & a) const {
-			return uri != a.uri || label != a.label;
-		}
-
-		std::string uri;
-		std::string label;
-		bool user;
+	    PresetRecord () : number (-1), user (true) {}
+	    PresetRecord (const std::string& u, const std::string& l, int n = -1, bool s = true) : uri (u), label (l), number (n), user (s)  {}
+	    
+	    bool operator!= (PresetRecord const & a) const {
+		    return number != a.number || uri != a.uri || label != a.label;
+	    }
+	    
+	    std::string uri;
+	    std::string label;
+	    int number; // if <0, invalid
+	    bool user;
 	};
 
 	PresetRecord save_preset (std::string);
@@ -188,6 +189,15 @@ class Plugin : public PBD::StatefulDestructible, public Latent
 
 	std::vector<PresetRecord> get_presets ();
 
+        /* This is hard to return a correct value for because most plugin APIs
+	   do not specify plugin behaviour. However, if you want to force
+           the display of plugin built-in preset names rather than MIDI program
+           numbers, return true. If you want a generic description, return
+	   false.
+	*/
+        virtual bool presets_are_MIDI_programs() const { return true; }
+        virtual bool current_preset_uses_general_midi() const { return true; }
+
 	/** @return Last preset to be requested; the settings may have
 	 * been changed since; find out with parameter_changed_since_last_preset.
 	 */