From 06bb4e6a55f5f6983d94fef2b25afc0a70f7b8d9 Mon Sep 17 00:00:00 2001
From: Joel Holdsworth <joel@airwebreathe.org.uk>
Date: Thu, 5 Sep 2013 13:58:28 +0100
Subject: [PATCH] Added DecodeSignal default colours

---
 pv/sigsession.cpp        |  3 ++-
 pv/view/decodesignal.cpp | 14 ++++++++++++--
 pv/view/decodesignal.h   |  5 ++++-
 3 files changed, 18 insertions(+), 4 deletions(-)

diff --git a/pv/sigsession.cpp b/pv/sigsession.cpp
index ffe37d20..1ee5e003 100644
--- a/pv/sigsession.cpp
+++ b/pv/sigsession.cpp
@@ -209,7 +209,8 @@ void SigSession::add_decoder(srd_decoder *const dec,
 		shared_ptr<data::Decoder> decoder(
 			new data::Decoder(dec, probes));
 		shared_ptr<view::DecodeSignal> d(
-			new view::DecodeSignal(*this, decoder));
+			new view::DecodeSignal(*this, decoder,
+				_decode_traces.size()));
 		_decode_traces.push_back(d);
 	}
 	signals_changed();
diff --git a/pv/view/decodesignal.cpp b/pv/view/decodesignal.cpp
index f6611a0f..514fbca3 100644
--- a/pv/view/decodesignal.cpp
+++ b/pv/view/decodesignal.cpp
@@ -22,8 +22,11 @@ extern "C" {
 #include <libsigrokdecode/libsigrokdecode.h>
 }
 
+#include <extdef.h>
+
 #include "decodesignal.h"
 
+#include <pv/sigsession.h>
 #include <pv/data/decoder.h>
 #include <pv/view/view.h>
 #include <pv/view/decode/annotation.h>
@@ -34,14 +37,21 @@ using namespace std;
 namespace pv {
 namespace view {
 
+const QColor DecodeSignal::DecodeColours[4] = {
+	QColor(0xEF, 0x29, 0x29),	// Red
+	QColor(0xFC, 0xE9, 0x4F),	// Yellow
+	QColor(0x8A, 0xE2, 0x34),	// Green
+	QColor(0x72, 0x9F, 0xCF)	// Blue
+};
+
 DecodeSignal::DecodeSignal(pv::SigSession &session,
-	boost::shared_ptr<pv::data::Decoder> decoder) :
+	boost::shared_ptr<pv::data::Decoder> decoder, int index) :
 	Trace(session, QString(decoder->get_decoder()->name)),
 	_decoder(decoder)
 {
 	assert(_decoder);
 
-	_colour = Qt::red;
+	_colour = DecodeColours[index % countof(DecodeColours)];
 }
 
 void DecodeSignal::init_context_bar_actions(QWidget *parent)
diff --git a/pv/view/decodesignal.h b/pv/view/decodesignal.h
index 271937b8..a9ff265e 100644
--- a/pv/view/decodesignal.h
+++ b/pv/view/decodesignal.h
@@ -37,9 +37,12 @@ class DecodeSignal : public Trace
 {
 	Q_OBJECT
 
+private:
+	static const QColor DecodeColours[4];
+
 public:
 	DecodeSignal(pv::SigSession &session,
-		boost::shared_ptr<pv::data::Decoder> decoder);
+		boost::shared_ptr<pv::data::Decoder> decoder, int index);
 
 	void init_context_bar_actions(QWidget *parent);
 
-- 
2.30.2