add crossfade and layering options to menu system; add missing crossfade editor curve image; add control for destructive recording xfade; remove dead options from options editor

git-svn-id: svn://localhost/trunk/ardour2@411 d708f5d6-7413-0410-9779-e7cbd77b26cf

11 files changed, 274 insertions, 168 deletions

diff --git a/gtk2_ardour/actions.cc b/gtk2_ardour/actions.cc
index 137b8b55e5..78acffd6d1 100644
--- a/gtk2_ardour/actions.cc
+++ b/gtk2_ardour/actions.cc
@@ -135,7 +135,6 @@ ActionManager::register_radio_action (RefPtr<ActionGroup> group, RadioAction::Gr
 	return act;
 }
 
-
 RefPtr<Action>
 ActionManager::register_toggle_action (RefPtr<ActionGroup> group, const char * name, const char * label, slot<void> sl, guint key, Gdk::ModifierType mods)
 {
diff --git a/gtk2_ardour/ardour.menus b/gtk2_ardour/ardour.menus
index c4603f060e..3f4b347bc2 100644
--- a/gtk2_ardour/ardour.menus
+++ b/gtk2_ardour/ardour.menus
@@ -62,7 +62,7 @@
                     <menuitem action='ToggleAutoPlay'/>
                     <menuitem action='ToggleAutoReturn'/>
                     <menuitem action='ToggleClick'/>
-                    <menuitem action='ToggleFollowPlayhead'/>
+                    <menuitem action='toggle-follow-playhead'/>
                </menu>
        </menu>
        <menu name='Edit' action='Edit'>
@@ -204,6 +204,19 @@
                    <menuitem action='SoloInPlace'/>
                    <menuitem action='SoloViaBus'/>
                </menu>
+	       <menu action='Crossfades'>
+		   <menuitem action='toggle-xfades-active'/>
+		   <menuitem action='toggle-xfades-visible'/>
+		   <menuitem action='toggle-auto-xfades'/>
+		   <separator/>
+		   <menuitem action='CrossfadesFull'/>
+		   <menuitem action='CrossfadesShort'/>
+	       </menu>
+	       <menu action='Layering'>
+		   <menuitem action='LayerLaterHigher'/>
+		   <menuitem action='LayerMoveAddHigher'/>
+		   <menuitem action='LayerAddHigher'/>
+               </menu>
                <separator/>
                <menuitem action='SendMTC'/>
                <menuitem action='SendMMC'/>
diff --git a/gtk2_ardour/crossfade_edit.cc b/gtk2_ardour/crossfade_edit.cc
index 1b4110be50..451b9781f5 100644
--- a/gtk2_ardour/crossfade_edit.cc
+++ b/gtk2_ardour/crossfade_edit.cc
@@ -212,6 +212,8 @@ CrossfadeEditor::CrossfadeEditor (Session& s, Crossfade& xf, double my, double m
 
 	for (list<Preset*>::iterator i = fade_out_presets->begin(); i != fade_out_presets->end(); ++i) {
 
+		cerr << "looking for xpm " << (*i)->xpm << endl;
+
 		pxmap = manage (new Image (get_xpm((*i)->xpm)));
 		pbutton = manage (new Button);
 		pbutton->add (*pxmap);
diff --git a/gtk2_ardour/editor.cc b/gtk2_ardour/editor.cc
index b68c1d3f6a..9fe0d2767c 100644
--- a/gtk2_ardour/editor.cc
+++ b/gtk2_ardour/editor.cc
@@ -1000,7 +1000,7 @@ Editor::queue_session_control_changed (Session::ControlType t)
 void
 Editor::session_control_changed (Session::ControlType t)
 {
-	// right now we're only tracking the loop and punch state
+	// right now we're only tracking some state here 
 
 	switch (t) {
 	case Session::AutoLoop:
@@ -1011,6 +1011,10 @@ Editor::session_control_changed (Session::ControlType t)
 		update_punch_range_view (true);
 		break;
 
+	case Session::LayeringModel:
+		update_layering_model ();
+		break;
+
 	default:
 		break;
 	}
@@ -1242,6 +1246,32 @@ Editor::connect_to_session (Session *t)
 	session->locations()->StateChanged.connect (mem_fun(*this, &Editor::refresh_location_display_s));
 	session->locations()->end_location()->changed.connect (mem_fun(*this, &Editor::end_location_changed));
 
+	bool yn;
+	RefPtr<Action> act;
+
+	act = ActionManager::get_action (X_("Editor"), X_("toggle-xfades-active"));
+	if (act) {
+		RefPtr<ToggleAction> tact = RefPtr<ToggleAction>::cast_dynamic(act);
+		/* do it twice to force the change */
+		yn = session->get_crossfades_active();
+		tact->set_active (!yn);
+		tact->set_active (yn);
+	}
+
+	act = ActionManager::get_action (X_("Editor"), X_("toggle-auto-xfades"));
+	if (act) {
+		RefPtr<ToggleAction> tact = RefPtr<ToggleAction>::cast_dynamic(act);
+		/* do it twice to force the change */
+		yn = Config->get_auto_xfade ();
+		tact->set_active (!yn);
+		tact->set_active (yn);
+	}
+
+	/* xfade visibility state set from editor::set_state() */
+	
+	update_crossfade_model ();
+	update_layering_model ();
+
 	reset_scrolling_region ();
 
 	redisplay_regions ();
@@ -2198,7 +2228,7 @@ Editor::set_state (const XMLNode& node)
 
 	if ((prop = node.property ("follow-playhead"))) {
 		bool yn = (prop->value() == "yes");
-		RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("ToggleFollowPlayhead"));
+		RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("toggle-follow-playhead"));
 		if (act) {
 			RefPtr<ToggleAction> tact = RefPtr<ToggleAction>::cast_dynamic(act);
 			/* do it twice to force the change */
@@ -2216,7 +2246,7 @@ Editor::set_state (const XMLNode& node)
 	if ((prop = node.property ("xfades-visible"))) {
 		bool yn = (prop->value() == "yes");
 		_xfade_visibility = !yn;
-		set_xfade_visibility (yn);
+		// set_xfade_visibility (yn);
 	}
 
 	if ((prop = node.property ("show-editor-mixer"))) {
@@ -3003,7 +3033,6 @@ Editor::restore_state (State *state)
 
 	*selection = *state->selection;
 	time_selection_changed ();
-	cerr << "RS: RSC\n";
 	region_selection_changed ();   
 
 	/* XXX other selection change handlers? */
@@ -3861,7 +3890,7 @@ Editor::set_show_measures (bool yn)
 void
 Editor::toggle_follow_playhead ()
 {
-	RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("ToggleFollowPlayhead"));
+	RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("toggle-follow-playhead"));
 	if (act) {
 		RefPtr<ToggleAction> tact = RefPtr<ToggleAction>::cast_dynamic(act);
 		set_follow_playhead (tact->get_active());
@@ -4161,3 +4190,51 @@ Editor::on_key_press_event (GdkEventKey* ev)
 	return key_press_focus_accelerator_handler (*this, ev);
 }
 
+void
+Editor::update_layering_model ()
+{
+	RefPtr<Action> act;
+
+	switch (session->get_layer_model()) {
+	case Session::LaterHigher:
+		act = ActionManager::get_action (X_("Editor"), X_("LayerLaterHigher"));
+		break;
+	case Session::MoveAddHigher:
+		act = ActionManager::get_action (X_("Editor"), X_("LayerMoveAddHigher"));
+		break;
+	case Session::AddHigher:
+		act = ActionManager::get_action (X_("Editor"), X_("LayerAddHigher"));
+		break;
+	}
+
+	if (act) {
+		RefPtr<RadioAction> ract = RefPtr<RadioAction>::cast_dynamic(act);
+		if (ract && !ract->get_active()) {
+			ract->set_active (true);
+		}
+	}
+}
+
+
+void
+Editor::update_crossfade_model ()
+{
+	RefPtr<Action> act;
+
+	switch (session->get_xfade_model()) {
+	case FullCrossfade:
+		act = ActionManager::get_action (X_("Editor"), X_("CrossfadesFull"));
+		break;
+	case ShortCrossfade:
+		act = ActionManager::get_action (X_("Editor"), X_("CrossfadesShort"));
+		break;
+	}
+
+	if (act) {
+		RefPtr<RadioAction> ract = RefPtr<RadioAction>::cast_dynamic(act);
+		if (ract && !ract->get_active()) {
+			ract->set_active (true);
+		}
+	}
+}
+
diff --git a/gtk2_ardour/editor.h b/gtk2_ardour/editor.h
index 7312c5d596..f0fb67694a 100644
--- a/gtk2_ardour/editor.h
+++ b/gtk2_ardour/editor.h
@@ -300,10 +300,17 @@ class Editor : public PublicEditor
 
 	/* xfades */
 
-	void toggle_xfades_active();
+	void toggle_auto_xfade ();
+	void toggle_xfades_active ();
 	void toggle_xfade_visibility ();
-	void set_xfade_visibility (bool yn);
 	bool xfade_visibility() const { return _xfade_visibility; }
+	void update_crossfade_model ();
+	void set_crossfade_model (ARDOUR::CrossfadeModel);
+
+	/* layers */
+
+	void set_layer_model (ARDOUR::Session::LayerModel);
+	void update_layering_model ();
 
 	/* redirect shared ops menu. caller must free returned menu */
 
diff --git a/gtk2_ardour/editor_actions.cc b/gtk2_ardour/editor_actions.cc
index 049ba48375..97daccfde0 100644
--- a/gtk2_ardour/editor_actions.cc
+++ b/gtk2_ardour/editor_actions.cc
@@ -33,15 +33,29 @@ Editor::register_actions ()
 	ActionManager::register_action (editor_actions, X_("MeterHold"), _("Meter hold"));
 	ActionManager::register_action (editor_actions, X_("MeterFalloff"), _("Meter falloff"));
 	ActionManager::register_action (editor_actions, X_("Solo"), _("Solo"));
+	ActionManager::register_action (editor_actions, X_("Crossfades"), _("Crossfades"));
 	ActionManager::register_action (editor_actions, X_("Monitoring"), _("Monitoring"));
 	ActionManager::register_action (editor_actions, X_("Autoconnect"), _("Autoconnect"));
+	ActionManager::register_action (editor_actions, X_("Layering"), _("Layering"));
 
 	/* add named actions for the editor */
 
+
 	act = ActionManager::register_toggle_action (editor_actions, "show-editor-mixer", _("Show Editor Mixer"), mem_fun (*this, &Editor::editor_mixer_button_toggled));
 	ActionManager::session_sensitive_actions.push_back (act);
 
-	act = ActionManager::register_action (editor_actions, "toggle-xfades-active", _("Toggle Xfades Active"), mem_fun(*this, &Editor::toggle_xfades_active));
+	RadioAction::Group crossfade_model_group;
+
+	act = ActionManager::register_radio_action (editor_actions, crossfade_model_group, "CrossfadesFull", _("Span Entire Overlap"), bind (mem_fun(*this, &Editor::set_crossfade_model), FullCrossfade));
+	ActionManager::session_sensitive_actions.push_back (act);
+	act = ActionManager::register_radio_action (editor_actions, crossfade_model_group, "CrossfadesShort", _("Short"), bind (mem_fun(*this, &Editor::set_crossfade_model), ShortCrossfade));
+	ActionManager::session_sensitive_actions.push_back (act);
+
+	act = ActionManager::register_toggle_action (editor_actions, "toggle-xfades-active", _("Active"), mem_fun(*this, &Editor::toggle_xfades_active));
+	ActionManager::session_sensitive_actions.push_back (act);
+	act = ActionManager::register_toggle_action (editor_actions, "toggle-xfades-visible", _("Visible"), mem_fun(*this, &Editor::toggle_xfade_visibility));
+	ActionManager::session_sensitive_actions.push_back (act);
+	act = ActionManager::register_toggle_action (editor_actions, "toggle-auto-xfades", _("Created Automatically"), mem_fun(*this, &Editor::toggle_auto_xfade));
 	ActionManager::session_sensitive_actions.push_back (act);
 
 	act = ActionManager::register_action (editor_actions, "playhead-to-next-region-start", _("Playhead to Next Region Start"), bind (mem_fun(*this, &Editor::cursor_to_next_region_point), playhead_cursor, RegionPoint (Start)));
@@ -228,7 +242,7 @@ Editor::register_actions ()
 	act = ActionManager::register_action (editor_actions, "extend-range-to-start-of-region", _("Extend Range to Start of Region"), bind (mem_fun(*this, &Editor::extend_selection_to_start_of_region), false));
 	ActionManager::session_sensitive_actions.push_back (act);
 
-	act = ActionManager::register_toggle_action (editor_actions, "ToggleFollowPlayhead", _("Follow Playhead"), (mem_fun(*this, &Editor::toggle_follow_playhead)));
+	act = ActionManager::register_toggle_action (editor_actions, "toggle-follow-playhead", _("Follow Playhead"), (mem_fun(*this, &Editor::toggle_follow_playhead)));
 	ActionManager::session_sensitive_actions.push_back (act);
 	act = ActionManager::register_action (editor_actions, "remove-last-capture", _("Remove Last Capture"), (mem_fun(*this, &Editor::remove_last_capture)));
 	ActionManager::session_sensitive_actions.push_back (act);
@@ -356,6 +370,12 @@ Editor::register_actions ()
 	ActionManager::register_radio_action (editor_actions, meter_hold_group,  X_("MeterHoldMedium"), _("Medium"), bind (mem_fun (*this, &Editor::set_meter_hold), 100));
 	ActionManager::register_radio_action (editor_actions, meter_hold_group,  X_("MeterHoldLong"), _("Long"), bind (mem_fun (*this, &Editor::set_meter_hold), 200));
 
+	RadioAction::Group layer_model_group;
+
+	ActionManager::register_radio_action (editor_actions, layer_model_group,  X_("LayerLaterHigher"), _("Later is Higher"), bind (mem_fun (*this, &Editor::set_layer_model), Session::LaterHigher));
+	ActionManager::register_radio_action (editor_actions, layer_model_group,  X_("LayerMoveAddHigher"), _("Most Recently Moved/Added is Higher"), bind (mem_fun (*this, &Editor::set_layer_model), Session::MoveAddHigher));
+	ActionManager::register_radio_action (editor_actions, layer_model_group,  X_("LayerAddHigher"), _("Most Recently Added is Higher"), bind (mem_fun (*this, &Editor::set_layer_model), Session::AddHigher));
+
 	ActionManager::add_action_group (rl_actions);
 	ActionManager::add_action_group (zoom_actions);
 	ActionManager::add_action_group (mouse_mode_actions);
@@ -393,3 +413,93 @@ Editor::toggle_measure_visibility ()
 	}
 }
 
+void
+Editor::toggle_auto_xfade ()
+{
+	Glib::RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("toggle-auto-xfades"));
+	if (act) {
+		Glib::RefPtr<ToggleAction> tact = Glib::RefPtr<ToggleAction>::cast_dynamic(act);
+		Config->set_auto_xfade (tact->get_active());
+	}
+}
+
+void
+Editor::toggle_xfades_active ()
+{
+	Glib::RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("toggle-xfades-active"));
+	if (session && act) {
+		Glib::RefPtr<ToggleAction> tact = Glib::RefPtr<ToggleAction>::cast_dynamic(act);
+		session->set_crossfades_active (tact->get_active());
+	}
+}
+
+void
+Editor::toggle_xfade_visibility ()
+{
+	Glib::RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("toggle-xfades-visible"));
+	if (session && act) {
+		Glib::RefPtr<ToggleAction> tact = Glib::RefPtr<ToggleAction>::cast_dynamic(act);
+		// set_xfade_visibility (tact->get_active());
+	}
+}
+
+void
+Editor::set_layer_model (Session::LayerModel model)
+{
+	/* this is driven by a toggle on a radio group, and so is invoked twice,
+	   once for the item that became inactive and once for the one that became
+	   active.
+	*/
+
+	RefPtr<Action> act;
+
+	if (session) {
+		switch (model) {
+		case Session::LaterHigher:
+			act = ActionManager::get_action (X_("Editor"), X_("LayerLaterHigher"));
+			break;
+		case Session::MoveAddHigher:
+			act = ActionManager::get_action (X_("Editor"), X_("LayerMoveAddHigher"));
+			break;
+		case Session::AddHigher:
+			act = ActionManager::get_action (X_("Editor"), X_("LayerAddHigher"));
+			break;
+		}
+		
+		if (act) {
+			RefPtr<RadioAction> ract = RefPtr<RadioAction>::cast_dynamic(act);
+			if (ract && ract->get_active()) {
+				session->set_layer_model (model);
+			}
+		}
+	}
+}
+
+void
+Editor::set_crossfade_model (CrossfadeModel model)
+{
+	RefPtr<Action> act;
+
+	/* this is driven by a toggle on a radio group, and so is invoked twice,
+	   once for the item that became inactive and once for the one that became
+	   active.
+	*/
+
+	if (session) {
+		switch (model) {
+		case FullCrossfade:
+			act = ActionManager::get_action (X_("Editor"), X_("CrossfadesFull"));
+			break;
+		case ShortCrossfade:
+			act = ActionManager::get_action (X_("Editor"), X_("CrossfadesShort"));
+			break;
+		}
+		
+		if (act) {
+			RefPtr<RadioAction> ract = RefPtr<RadioAction>::cast_dynamic(act);
+			if (ract && ract->get_active()) {
+				session->set_xfade_model (model);
+			}
+		}
+	}
+}
diff --git a/gtk2_ardour/editor_ops.cc b/gtk2_ardour/editor_ops.cc
index ea24f3cae7..cb9f19c5ed 100644
--- a/gtk2_ardour/editor_ops.cc
+++ b/gtk2_ardour/editor_ops.cc
@@ -3529,26 +3529,6 @@ Editor::nudge_track (bool use_edit_cursor, bool forwards)
 }
 
 void
-Editor::toggle_xfades_active ()
-{
-	if (session) {
-		session->set_crossfades_active (!session->get_crossfades_active());
-	}
-}
-
-void
-Editor::set_xfade_visibility (bool yn)
-{
-	
-}
-
-void
-Editor::toggle_xfade_visibility ()
-{
-	set_xfade_visibility (!xfade_visibility());
-}
-
-void
 Editor::remove_last_capture ()
 {
 	vector<string> choices;
diff --git a/gtk2_ardour/option_editor.cc b/gtk2_ardour/option_editor.cc
index 86e7ff5473..2b81ff29bc 100644
--- a/gtk2_ardour/option_editor.cc
+++ b/gtk2_ardour/option_editor.cc
@@ -47,22 +47,7 @@ using namespace Editing;
 using namespace Gtkmm2ext;
 using namespace std;
 
-static const gchar *lmode_strings[] = {
-	N_("Later regions are higher"),
-	N_("Most recently added/moved/trimmed regions are higher"),
-	N_("Most recently added regions are higher"),
-	0
-};
-
-static const gchar *xfl_strings[] = {
-	N_("Span entire region overlap"),
-	N_("Short fades at the start of the overlap"),
-	0
-};
-
 static vector<string> positional_sync_strings;
-static vector<string> layer_mode_strings;
-static vector<string> xfade_model_strings;
 
 OptionEditor::OptionEditor (ARDOUR_UI& uip, PublicEditor& ed, Mixer_UI& mixui)
 	: Dialog ("option editor"),
@@ -78,12 +63,10 @@ OptionEditor::OptionEditor (ARDOUR_UI& uip, PublicEditor& ed, Mixer_UI& mixui)
 
 	  /* Fades */
 
-	  auto_xfade_button (_("Automatically create crossfades")),
-	  xfade_active_button (_("New full-overlap crossfades are unmuted")),
-	  layer_mode_label (_("Region layering mode")),
-	  xfade_model_label (_("Crossfade model")),
 	  short_xfade_adjustment (0, 1.0, 500.0, 5.0, 100.0),
 	  short_xfade_slider (short_xfade_adjustment),
+	  destructo_xfade_adjustment (0, 1.0, 500.0, 5.0, 100.0),
+	  destructo_xfade_slider (destructo_xfade_adjustment),
 
 	  /* Sync */
 
@@ -119,9 +102,6 @@ OptionEditor::OptionEditor (ARDOUR_UI& uip, PublicEditor& ed, Mixer_UI& mixui)
 	set_name ("OptionsWindow");
 	add_events (Gdk::KEY_PRESS_MASK|Gdk::KEY_RELEASE_MASK);
 	
-	layer_mode_label.set_name ("OptionsLabel");
-	xfade_model_label.set_name ("OptionsLabel");
-	
 	VBox *vbox = get_vbox();
 	set_border_width (3);
 
@@ -171,7 +151,6 @@ OptionEditor::set_session (Session *s)
 	session_raid_entry.set_sensitive (false);
 
 	smpte_fps_combo.set_sensitive (false);
-	layer_mode_combo.set_sensitive (false);
 	short_xfade_slider.set_sensitive (false);
 	smpte_offset_negative_button.set_sensitive (false);
 
@@ -186,7 +165,6 @@ OptionEditor::set_session (Session *s)
 	click_emphasis_path_entry.set_sensitive (true);
 	session_raid_entry.set_sensitive (true);
 	smpte_fps_combo.set_sensitive (true);
-	layer_mode_combo.set_sensitive (true);
 	short_xfade_slider.set_sensitive (true);
 	smpte_offset_negative_button.set_sensitive (true);
 
@@ -238,9 +216,6 @@ OptionEditor::set_session (Session *s)
 	setup_click_editor ();
 	connect_audition_editor ();
 
-	layer_mode_combo.set_active_text (layer_mode_strings[session->get_layer_model()]);
-	xfade_model_combo.set_active_text (xfade_model_strings[session->get_xfade_model()]);
-
 	short_xfade_adjustment.set_value ((Crossfade::short_xfade_length() / (float) session->frame_rate()) * 1000.0);
 
 	add_session_paths ();
@@ -329,74 +304,30 @@ void
 OptionEditor::setup_fade_options ()
 {
 	Gtk::HBox* hbox;
-	vector<string> dumb;
 	
-	auto_xfade_button.set_name ("OptionEditorToggleButton");
-	xfade_active_button.set_name ("OptionEditorToggleButton");
-
-	hbox = manage (new HBox);
-	hbox->set_border_width (12);
-	hbox->pack_start (auto_xfade_button, false, false);
-	fade_packer.pack_start (*hbox, false, false);
-
-	hbox = manage (new HBox);
-	hbox->set_border_width (12);
-	hbox->pack_start (xfade_active_button, false, false);
-	fade_packer.pack_start (*hbox, false, false);
-
-	layer_mode_strings = internationalize (lmode_strings);
-
-	dumb.push_back (lmode_strings[Session::LaterHigher]);
-	dumb.push_back (lmode_strings[Session::MoveAddHigher]);
-	dumb.push_back (lmode_strings[Session::AddHigher]);
-	set_popdown_strings (layer_mode_combo, dumb);
-
-	layer_mode_combo.signal_changed ().connect (mem_fun(*this, &OptionEditor::layer_mode_chosen));
-
-	fixup_combo_size (layer_mode_combo, layer_mode_strings);
-
-	hbox = manage (new HBox);
-	hbox->set_border_width (5);
-	hbox->set_spacing (10);
-	hbox->pack_start (layer_mode_label, false, false);
-	hbox->pack_start (layer_mode_combo, false, false);
-	fade_packer.pack_start (*hbox, false, false);
-
-	xfade_model_strings = internationalize (xfl_strings);
-
-	dumb.clear ();
-	dumb.push_back (xfade_model_strings[FullCrossfade]);
-	dumb.push_back (xfade_model_strings[ShortCrossfade]);
-	set_popdown_strings (xfade_model_combo, dumb);
-
-	xfade_model_combo.signal_changed().connect (mem_fun(*this, &OptionEditor::xfade_model_chosen));
-
-	fixup_combo_size (xfade_model_combo, xfade_model_strings);
-
+	Label* label = manage (new Label (_("Short crossfade length (msecs)")));
+	label->set_name ("OptionsLabel");
+	
 	hbox = manage (new HBox);
 	hbox->set_border_width (5);
 	hbox->set_spacing (10);
-	hbox->pack_start (xfade_model_label, false, false);
-	hbox->pack_start (xfade_model_combo, false, false);
+	hbox->pack_start (*label, false, false);
+	hbox->pack_start (short_xfade_slider, true, true);
 	fade_packer.pack_start (*hbox, false, false);
 
-	auto_xfade_button.set_active (Config->get_auto_xfade());
-	/* xfade and layer mode active requires session */
+	short_xfade_adjustment.signal_value_changed().connect (mem_fun(*this, &OptionEditor::short_xfade_adjustment_changed));
 
-	auto_xfade_button.signal_clicked().connect (mem_fun(*this, &OptionEditor::auto_xfade_clicked));
-	xfade_active_button.signal_clicked().connect (mem_fun(*this, &OptionEditor::xfade_active_clicked));
-	
-	Label* short_xfade_label = manage (new Label (_("Short crossfade length (msecs)")));
-	short_xfade_label->set_name ("OptionsLabel");
+	label = manage (new Label (_("Destructive crossfade length (msecs)")));
+	label->set_name ("OptionsLabel");
 	
 	hbox = manage (new HBox);
 	hbox->set_border_width (5);
 	hbox->set_spacing (10);
-	hbox->pack_start (*short_xfade_label, false, false);
-	hbox->pack_start (short_xfade_slider, true, true);
+	hbox->pack_start (*label, false, false);
+	hbox->pack_start (destructo_xfade_slider, true, true);
 	fade_packer.pack_start (*hbox, false, false);
-
-	short_xfade_adjustment.signal_value_changed().connect (mem_fun(*this, &OptionEditor::short_xfade_adjustment_changed));
+	
+	destructo_xfade_adjustment.signal_value_changed().connect (mem_fun(*this, &OptionEditor::destructo_xfade_adjustment_changed));
 
 	fade_packer.show_all ();
 }
@@ -414,50 +345,16 @@ OptionEditor::short_xfade_adjustment_changed ()
 }
 
 void
-OptionEditor::layer_mode_chosen ()
+OptionEditor::destructo_xfade_adjustment_changed ()
 {
-	if (!session) {
-		return;
-	}
-
-	string which = layer_mode_combo.get_active_text ();
-
-	if (which == layer_mode_strings[Session::LaterHigher]) {
-		session->set_layer_model (Session::LaterHigher);
-	} else if (which == layer_mode_strings[Session::MoveAddHigher]) {
-		session->set_layer_model (Session::MoveAddHigher);
-	} else if (which == layer_mode_strings[Session::AddHigher]) {
-		session->set_layer_model (Session::AddHigher);
-	}
-}
+	float val = destructo_xfade_adjustment.get_value();
 
-void
-OptionEditor::xfade_model_chosen ()
-{
-	if (!session) {
-		return;
-	}
-
-	string which = xfade_model_combo.get_active_text ();
-
-	if (which == xfade_model_strings[FullCrossfade]) {
-		session->set_xfade_model (FullCrossfade);
-	} else if (which == xfade_model_strings[ShortCrossfade]) {
-		session->set_xfade_model (ShortCrossfade);
-	}
-}
-
-void
-OptionEditor::auto_xfade_clicked ()
-{
-	Config->set_auto_xfade (auto_xfade_button.get_active());
-}
-
-void
-OptionEditor::xfade_active_clicked ()
-{
+	/* val is in msecs */
+	
 	if (session) {
-		session->set_crossfades_active (xfade_active_button.get_active());
+		Config->set_destructive_xfade_msecs ((uint32_t) floor (val), session->frame_rate());
+	} else {
+		Config->set_destructive_xfade_msecs ((uint32_t) floor (val), 0);
 	}
 }
 
diff --git a/gtk2_ardour/option_editor.h b/gtk2_ardour/option_editor.h
index e607a9bbb4..4d6736aa84 100644
--- a/gtk2_ardour/option_editor.h
+++ b/gtk2_ardour/option_editor.h
@@ -94,21 +94,14 @@ class OptionEditor : public Gtk::Dialog
 	/* fades */
 
 	Gtk::VBox        fade_packer;
-	Gtk::CheckButton auto_xfade_button;
-	Gtk::CheckButton xfade_active_button;
-	Gtk::Label       layer_mode_label;
-	Gtk::ComboBoxText layer_mode_combo;
-	Gtk::Label       xfade_model_label;
-	Gtk::ComboBoxText xfade_model_combo;
 	Gtk::Adjustment  short_xfade_adjustment;
 	Gtk::HScale      short_xfade_slider;
+	Gtk::Adjustment  destructo_xfade_adjustment;
+	Gtk::HScale      destructo_xfade_slider;
 
-	void auto_xfade_clicked ();
-	void xfade_active_clicked ();
-	void layer_mode_chosen ();
-	void xfade_model_chosen ();
 	void setup_fade_options();
 	void short_xfade_adjustment_changed ();
+	void destructo_xfade_adjustment_changed ();
 
 	/* Sync */
 
diff --git a/gtk2_ardour/pixmaps/regout2.xpm b/gtk2_ardour/pixmaps/regout2.xpm
new file mode 100644
index 0000000000..ddb76df9f9
--- /dev/null
+++ b/gtk2_ardour/pixmaps/regout2.xpm
@@ -0,0 +1,31 @@
+/* XPM */
+static const gchar * regout2_xpm[] = {
+"25 25 3 1",
+" 	c None",
+".	c #FDFD00",
+"+	c #FEFE00",
+"                         ",
+"                         ",
+"   .+.                   ",
+"   +++                   ",
+"   +++                   ",
+"   +++                   ",
+"   .++                   ",
+"    ++                   ",
+"    ++.                  ",
+"    +++                  ",
+"    .++                  ",
+"     +++                 ",
+"      +++                ",
+"      .+++               ",
+"       ++++              ",
+"        ++++             ",
+"         +++++.          ",
+"          .+++++.        ",
+"            .++++++.     ",
+"              .+++++     ",
+"                 .+.     ",
+"                         ",
+"                         ",
+"                         ",
+"                         "};
diff --git a/gtk2_ardour/public_editor.h b/gtk2_ardour/public_editor.h
index 38a73ee9ee..e45b9236ff 100644
--- a/gtk2_ardour/public_editor.h
+++ b/gtk2_ardour/public_editor.h
@@ -111,9 +111,6 @@ class PublicEditor : public Gtk::Window, public Stateful {
 	virtual void set_follow_playhead (bool yn) = 0;
 	virtual void toggle_follow_playhead () = 0;
 	virtual bool follow_playhead() const = 0;
-	virtual void toggle_xfade_visibility () = 0;
-	virtual void set_xfade_visibility (bool yn) = 0;
-	virtual bool xfade_visibility() const = 0;
 	virtual void ensure_float (Gtk::Window&) = 0;
 	virtual void show_window () = 0;
 	virtual TrackViewList* get_valid_views (TimeAxisView*, ARDOUR::RouteGroup* grp = 0) = 0;