+void
+ThemeManager::setup_modifiers ()
+{
+ UIConfiguration* uic (ARDOUR_UI::config());
+ UIConfiguration::Modifiers& modifiers (uic->modifiers);
+ Gtk::HBox* mod_hbox;
+ Gtk::Label* mod_label;
+ Gtk::HScale* mod_scale;
+
+ Gtkmm2ext::container_clear (modifier_vbox);
+
+ for (UIConfiguration::Modifiers::const_iterator m = modifiers.begin(); m != modifiers.end(); ++m) {
+ mod_hbox = manage (new HBox);
+
+ mod_scale = manage (new HScale (0.0, 1.0, 0.01));
+ mod_scale->set_draw_value (false);
+ mod_scale->set_value (m->second.a());
+ mod_scale->set_update_policy (Gtk::UPDATE_DISCONTINUOUS);
+ mod_scale->signal_value_changed().connect (sigc::bind (sigc::mem_fun (*this, &ThemeManager::modifier_edited), mod_scale, m->first));
+
+ mod_label = manage (new Label (m->first));
+
+ mod_hbox->pack_start (*mod_label, false, true, 6);
+ mod_hbox->pack_start (*mod_scale, true, true);
+
+ modifier_vbox.pack_start (*mod_hbox, false, false);
+ }
+
+ modifier_vbox.show_all ();
+
+}
+
+void
+ThemeManager::modifier_edited (Gtk::Range* range, string name)
+{
+ using namespace ArdourCanvas;
+
+ double alpha = range->get_value();
+ SVAModifier svam (SVAModifier::Assign, -1.0, -1.0, alpha);
+ ARDOUR_UI::config()->set_modifier (name, svam);
+}
+