From d95e90db343e3e9d3900213ce32f4e31648bca59 Mon Sep 17 00:00:00 2001
From: Jonas Kulla <Nyocurio@gmail.com>
Date: Tue, 12 Aug 2014 21:21:16 +0200
Subject: [PATCH] Tone: Add 'valueChanged' signal

---
 src/etc.cpp | 9 +++++++++
 src/etc.h   | 2 ++
 2 files changed, 11 insertions(+)

diff --git a/src/etc.cpp b/src/etc.cpp
index 4c38b39..4eaad9d 100644
--- a/src/etc.cpp
+++ b/src/etc.cpp
@@ -180,30 +180,39 @@ void Tone::set(double red, double green, double blue, double gray)
 	this->gray  = gray;
 
 	updateInternal();
+	valueChanged();
 }
 
 void Tone::setRed(double value)
 {
 	red = value;
 	norm.x = (float) clamp<double>(value, -255, 255) / 255;
+
+	valueChanged();
 }
 
 void Tone::setGreen(double value)
 {
 	green = value;
 	norm.y = (float) clamp<double>(value, -255, 255) / 255;
+
+	valueChanged();
 }
 
 void Tone::setBlue(double value)
 {
 	blue = value;
 	norm.z = (float) clamp<double>(value, -255, 255) / 255;
+
+	valueChanged();
 }
 
 void Tone::setGray(double value)
 {
 	gray = value;
 	norm.w = (float) clamp<double>(value, 0, 255) / 255;
+
+	valueChanged();
 }
 
 /* Serializable */
diff --git a/src/etc.h b/src/etc.h
index 31a8514..202dd9d 100644
--- a/src/etc.h
+++ b/src/etc.h
@@ -134,6 +134,8 @@ struct Tone : public Serializable
 
 	/* Normalized (-1.0 ~ 1.0) */
 	Vec4 norm;
+
+	sigc::signal<void> valueChanged;
 };
 
 struct Rect : public Serializable