From ed12f85c88f460c1fc64d8616a630168ee2e8d49 Mon Sep 17 00:00:00 2001
From: Carl Hetherington <carl@carlh.net>
Date: Wed, 21 Mar 2012 14:13:48 +0000
Subject: [PATCH] Add tooltips to plugin controls in the processor box (#4697).

git-svn-id: svn://localhost/ardour2/branches/3.0@11741 d708f5d6-7413-0410-9779-e7cbd77b26cf
---
 gtk2_ardour/processor_box.cc | 23 +++++++++++++++++++++++
 gtk2_ardour/processor_box.h  |  1 +
 2 files changed, 24 insertions(+)

diff --git a/gtk2_ardour/processor_box.cc b/gtk2_ardour/processor_box.cc
index f7168934bb..483bed6197 100644
--- a/gtk2_ardour/processor_box.cc
+++ b/gtk2_ardour/processor_box.cc
@@ -445,6 +445,29 @@ ProcessorEntry::Control::Control (Glib::RefPtr<Gdk::Pixbuf> s, boost::shared_ptr
 	}
 
 	control_changed ();
+	set_tooltip ();
+}
+
+void
+ProcessorEntry::Control::set_tooltip ()
+{
+	boost::shared_ptr<AutomationControl> c = _control.lock ();
+
+	if (!c) {
+		return;
+	}
+	
+	stringstream s;
+	s << _name << ": ";
+	if (c->toggled ()) {
+		s << (c->get_value() > 0.5 ? _("on") : _("off"));
+	} else {
+		s << c->internal_to_interface (c->get_value ());
+	}
+	
+	ARDOUR_UI::instance()->set_tip (_label, s.str ());
+	ARDOUR_UI::instance()->set_tip (_slider, s.str ());
+	ARDOUR_UI::instance()->set_tip (_button, s.str ());
 }
 
 void
diff --git a/gtk2_ardour/processor_box.h b/gtk2_ardour/processor_box.h
index f21fffa3f0..0e6582bb2f 100644
--- a/gtk2_ardour/processor_box.h
+++ b/gtk2_ardour/processor_box.h
@@ -181,6 +181,7 @@ private:
 		void button_clicked ();
 		void control_changed ();
 		std::string state_id () const;
+		void set_tooltip ();
 
 		boost::weak_ptr<ARDOUR::AutomationControl> _control;
 		/* things for a slider */