From f979463cfe5d8b939a1c87119e6d711de6d8902e Mon Sep 17 00:00:00 2001
From: Robin Gareus <robin@gareus.org>
Date: Tue, 30 Jan 2018 15:21:45 +0100
Subject: [PATCH] Add ArdourDropdown API for use as dumb text dropdown.

---
 libs/widgets/ardour_dropdown.cc        | 13 +++++++++++++
 libs/widgets/widgets/ardour_dropdown.h |  5 +++++
 2 files changed, 18 insertions(+)

diff --git a/libs/widgets/ardour_dropdown.cc b/libs/widgets/ardour_dropdown.cc
index 6be0ab84d6..e54213df0e 100644
--- a/libs/widgets/ardour_dropdown.cc
+++ b/libs/widgets/ardour_dropdown.cc
@@ -28,6 +28,7 @@
 #include "pbd/stacktrace.h"
 
 #include "gtkmm2ext/utils.h"
+#include "gtkmm2ext/menu_elems.h"
 #include "gtkmm2ext/rgb_macros.h"
 #include "gtkmm2ext/gui_thread.h"
 
@@ -162,3 +163,15 @@ ArdourDropdown::disable_scrolling()
 {
 	_scrolling_disabled = true;
 }
+
+void
+ArdourDropdown::append_text_item (std::string const& text) {
+	using namespace Gtkmm2ext;
+	AddMenuElem (MenuElemNoMnemonic (text, sigc::bind (sigc::mem_fun (*this, &ArdourDropdown::default_text_handler), text)));
+}
+
+void
+ArdourDropdown::default_text_handler (std::string const& text) {
+	set_text (text);
+	StateChanged (); /* EMIT SIGNAL */
+}
diff --git a/libs/widgets/widgets/ardour_dropdown.h b/libs/widgets/widgets/ardour_dropdown.h
index 93e866d011..bb878c8570 100644
--- a/libs/widgets/widgets/ardour_dropdown.h
+++ b/libs/widgets/widgets/ardour_dropdown.h
@@ -49,6 +49,11 @@ public:
 
 	Gtk::Menu_Helpers::MenuList& items () { return _menu.items (); }
 
+	void append_text_item (std::string const& text);
+
+protected:
+	void default_text_handler (std::string const& text);
+
 private:
 	Gtk::Menu      _menu;