From 35407c7fe88ae5f55c73eace540c6ed1de37856c Mon Sep 17 00:00:00 2001
From: Robin Gareus <robin@gareus.org>
Date: Tue, 14 Mar 2017 17:03:14 +0100
Subject: [PATCH] Update stripable color on the fly

---
 gtk2_ardour/stripable_colorpicker.cc | 15 ++++++++++++++-
 gtk2_ardour/stripable_colorpicker.h  |  4 ++++
 2 files changed, 18 insertions(+), 1 deletion(-)

diff --git a/gtk2_ardour/stripable_colorpicker.cc b/gtk2_ardour/stripable_colorpicker.cc
index 2e341f4d7e..b9c4990cfe 100644
--- a/gtk2_ardour/stripable_colorpicker.cc
+++ b/gtk2_ardour/stripable_colorpicker.cc
@@ -74,6 +74,7 @@ StripableColorDialog::reset ()
 		_stripable->set_active_color_picker (0);
 	}
 	_stripable.reset ();
+	_color_changed_connection.disconnect ();
 }
 
 void
@@ -91,15 +92,17 @@ StripableColorDialog::popup (boost::shared_ptr<ARDOUR::Stripable> s)
 
 	_stripable = s;
 	_stripable->set_active_color_picker (this);
+	_initial_color = _stripable->presentation_info().color ();
 	set_title (string_compose (_("Color Selection: %1"), s->name()));
 
 	get_colorsel()->set_has_opacity_control (false);
 	get_colorsel()->set_has_palette (true);
 
-	Gdk::Color c = gdk_color_from_rgba (_stripable->presentation_info().color ());
+	Gdk::Color c = gdk_color_from_rgba (_initial_color);
 
 	get_colorsel()->set_previous_color (c);
 	get_colorsel()->set_current_color (c);
+	_color_changed_connection = get_colorsel()->signal_color_changed().connect (sigc::mem_fun (*this, &StripableColorDialog::color_changed));
 
 	present ();
 }
@@ -109,6 +112,16 @@ StripableColorDialog::finish_color_edit (int response)
 {
 	if (_stripable && response == RESPONSE_OK) {
 		_stripable->presentation_info().set_color (gdk_color_to_rgba (get_colorsel()->get_current_color()));
+	} else {
+		_stripable->presentation_info().set_color (_initial_color);
 	}
 	reset ();
 }
+
+void
+StripableColorDialog::color_changed ()
+{
+	if (_stripable) {
+		_stripable->presentation_info().set_color (gdk_color_to_rgba (get_colorsel()->get_current_color()));
+	}
+}
diff --git a/gtk2_ardour/stripable_colorpicker.h b/gtk2_ardour/stripable_colorpicker.h
index d05d67e974..952640da70 100644
--- a/gtk2_ardour/stripable_colorpicker.h
+++ b/gtk2_ardour/stripable_colorpicker.h
@@ -34,8 +34,12 @@ public:
 private:
 	void initialize_color_palette ();
 	void finish_color_edit (int response);
+	void color_changed ();
 
 	boost::shared_ptr<ARDOUR::Stripable> _stripable;
+	ARDOUR::PresentationInfo::color_t _initial_color;
+
+	sigc::connection _color_changed_connection;
 
 
 	static bool palette_initialized;