X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=libs%2Fevoral%2Fevoral%2FParameter.hpp;h=2164475cf9635f34e73567b08031f4fb94a5815a;hb=2a7ed69c28c5c4606ff13b3605b9bc9c3eba607d;hp=35fae2dee21815bb1302dfe3356efea2a396f070;hpb=0e1c62150a385d7c4259b7e2cd2885392badeed3;p=ardour.git

diff --git a/libs/evoral/evoral/Parameter.hpp b/libs/evoral/evoral/Parameter.hpp
index 35fae2dee2..2164475cf9 100644
--- a/libs/evoral/evoral/Parameter.hpp
+++ b/libs/evoral/evoral/Parameter.hpp
@@ -1,6 +1,5 @@
-
 /* This file is part of Evoral.
- * Copyright (C) 2008 Dave Robillard <http://drobilla.net>
+ * Copyright (C) 2008 David Robillard <http://drobilla.net>
  * Copyright (C) 2000-2008 Paul Davis
  *
  * Evoral is free software; you can redistribute it and/or modify it under the
@@ -25,6 +24,8 @@
 #include <stdint.h>
 #include <boost/shared_ptr.hpp>
 
+#include "evoral/visibility.h"
+
 namespace Evoral {
 
 
@@ -37,7 +38,7 @@ namespace Evoral {
  * This class defines a < operator which is a strict weak ordering, so
  * Parameter may be stored in a std::set, used as a std::map key, etc.
  */
-class Parameter
+class LIBEVORAL_API Parameter
 {
 public:
 	Parameter(uint32_t type, uint8_t channel=0, uint32_t id=0)
@@ -61,33 +62,7 @@ public:
 
 	/** Strict weak ordering
 	 * See: http://www.sgi.com/tech/stl/StrictWeakOrdering.html
-	 * Sort Parameters first according to type then to id and lastly to channel.
-	 *
-	 * Proof:
-	 * <ol>
-	 * <li>Irreflexivity: f(x, x) is false because of the irreflexivity of \c < in each branch.</li>
-	 * <li>Antisymmetry: given x != y, f(x, y) implies !f(y, x) because of the same
-	 *     property of \c < in each branch and the symmetry of operator==. </li>
-	 * <li>Transitivity: let f(x, y) and f(y, z) => f(x, z) be true.
-	 *    We prove by contradiction, assuming the contrary:
-	 *    f(x, y) and f(x, z) hold => !f(x, z)
-	 *
-	 *    That implies one of the following:
-	 *    <ol>
-	 *      <li> x == z which contradicts the assumption f(x, y) and f(y, x)
-	 *                 because of antisymmetry.
-	 *      </li>
-	 *      <li> f(z, x) is true. That would imply that one of the ivars (we call it i)
-	 *           of x is greater than the same ivar in z while all "previous" ivars
-	 *           are equal. That would imply that also in y all those "previous"
-	 *           ivars are equal and because if x.i > z.i it is impossible
-	 *           that there is an y that satisfies x.i < y.i < z.i at the same
-	 *           time which contradicts the assumption.
-	 *      </li>
-	 *      Therefore f(x, z) is true (transitivity)
-	 *    </ol>
-	 * </li>
-	 * </ol>
+	 * Sort Parameters first according to type then to channel and lastly to ID.
 	 */
 	inline bool operator<(const Parameter& other) const {
 		if (_type < other._type) {
@@ -105,20 +80,21 @@ public:
 
 	/** Not used in indentity/comparison */
 	struct Metadata {
-		Metadata(double low=0.0, double high=1.0, double mid=0.0)
-			: min(low), max(high), normal(mid)
+		Metadata(double low=0.0, double high=1.0, double mid=0.0, bool tog=false)
+			: min(low), max(high), normal(mid), toggled(tog)
 		{}
 		double min;
 		double max;
 		double normal;
+		bool   toggled;
 	};
 
-	inline static void set_range(uint32_t type, double min, double max, double normal) {
-		_type_metadata[type] = Metadata(min, max, normal);
+	inline static void set_range(uint32_t type, double min, double max, double normal, bool toggled) {
+		_type_metadata[type] = Metadata(min, max, normal, toggled);
 	}
 
-	inline void set_range(double min, double max, double normal) {
-		_metadata = boost::shared_ptr<Metadata>(new Metadata(min, max, normal));
+	inline void set_range(double min, double max, double normal, bool toggled) {
+		_metadata = boost::shared_ptr<Metadata>(new Metadata(min, max, normal, toggled));
 	}
 
 	inline Metadata& metadata() const {
@@ -128,9 +104,10 @@ public:
 			return _type_metadata[_type];
 	}
 
-	inline double min()    const { return metadata().min; }
-	inline double max()    const { return metadata().max; }
-	inline double normal() const { return metadata().normal; }
+	inline double min()     const { return metadata().min; }
+	inline double max()     const { return metadata().max; }
+	inline double normal()  const { return metadata().normal; }
+	inline double toggled() const { return metadata().toggled; }
 
 protected:
 	// Default copy constructor is ok