From 0c54ae8d45449b20afda7a3bc006a90ed0c6952a Mon Sep 17 00:00:00 2001
From: Carl Hetherington <cth@carlh.net>
Date: Fri, 13 Oct 2017 23:39:16 +0100
Subject: [PATCH] Colour axis labels in the audio plot (#835).

---
 ChangeLog              |  4 ++++
 src/wx/audio_dialog.cc |  1 +
 src/wx/audio_plot.cc   | 10 ++++++++++
 src/wx/audio_plot.h    |  2 ++
 4 files changed, 17 insertions(+)

diff --git a/ChangeLog b/ChangeLog
index 2189d8086..72abd516e 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2017-10-13  Carl Hetherington  <cth@carlh.net>
+
+	* Colour axis labels in the audio plot (#835).
+
 2017-10-09  Carl Hetherington  <cth@carlh.net>
 
 	* Version 2.11.26 released.
diff --git a/src/wx/audio_dialog.cc b/src/wx/audio_dialog.cc
index 8a38c8a87..73ddd4c01 100644
--- a/src/wx/audio_dialog.cc
+++ b/src/wx/audio_dialog.cc
@@ -97,6 +97,7 @@ AudioDialog::AudioDialog (wxWindow* parent, shared_ptr<Film> film, shared_ptr<Co
 
 	for (int i = 0; i < _channels; ++i) {
 		_channel_checkbox[i] = new wxCheckBox (this, wxID_ANY, std_to_wx (audio_channel_name (i)));
+		_channel_checkbox[i]->SetForegroundColour(wxColour(_plot->colour(i)));
 		right->Add (_channel_checkbox[i], 0, wxEXPAND | wxALL, 3);
 		_channel_checkbox[i]->Bind (wxEVT_CHECKBOX, boost::bind (&AudioDialog::channel_clicked, this, _1));
 	}
diff --git a/src/wx/audio_plot.cc b/src/wx/audio_plot.cc
index c19ba946a..fe031aaac 100644
--- a/src/wx/audio_plot.cc
+++ b/src/wx/audio_plot.cc
@@ -319,3 +319,13 @@ AudioPlot::get_point (int channel, int point) const
 
 	return p;
 }
+
+/** @param n Channel index.
+ *  @return Colour used by that channel in the plot.
+ */
+wxColour
+AudioPlot::colour (int n) const
+{
+	DCPOMATIC_ASSERT (n < int(_colours.size()));
+	return _colours[n];
+}
diff --git a/src/wx/audio_plot.h b/src/wx/audio_plot.h
index 580bc2d5a..2f4b224e8 100644
--- a/src/wx/audio_plot.h
+++ b/src/wx/audio_plot.h
@@ -38,6 +38,8 @@ public:
 	void set_message (wxString);
 	void set_gain_correction (double gain);
 
+	wxColour colour (int n) const;
+
 	static const int max_smoothing;
 
 private:
-- 
2.30.2