update drobilla's fascistic dir-locals.el to force emacs users into whitespace submis...
[ardour.git] / gtk2_ardour / editor_actions.cc
index b276b57f2aa0df21fd6061bbb924a7eab0f4f3aa..8d2754ece9d25c6b36fb6b7736b30a9406442913 100644 (file)
@@ -1,5 +1,5 @@
 /*
-    Copyright (C) 2000-2007 Paul Davis 
+    Copyright (C) 2000-2007 Paul Davis
 
     This program is free software; you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
 
 */
 
+#include <gio/gio.h>
+#include <gtk/gtkiconfactory.h>
+
+#include "gtkmm2ext/tearoff.h"
+
 #include "ardour/ardour.h"
 #include "ardour/profile.h"
+#include "ardour/session.h"
 
 #include "actions.h"
 #include "ardour_ui.h"
 #include "time_axis_view.h"
 #include "utils.h"
 #include "i18n.h"
+#include "audio_time_axis.h"
+#include "editor_group_tabs.h"
+#include "editor_routes.h"
+#include "editor_regions.h"
 
 using namespace Gtk;
 using namespace Glib;
 using namespace std;
-using namespace sigc;
 using namespace ARDOUR;
 using namespace PBD;
 using namespace Editing;
 
+/* Convenience functions to slightly reduce verbosity below */
+
+static RefPtr<Action>
+reg_sens (RefPtr<ActionGroup> group, char const * name, char const * label, sigc::slot<void> slot)
+{
+       RefPtr<Action> act = ActionManager::register_action (group, name, label, slot);
+       ActionManager::session_sensitive_actions.push_back (act);
+       return act;
+}
+
+static void
+toggle_reg_sens (RefPtr<ActionGroup> group, char const * name, char const * label, sigc::slot<void> slot)
+{
+       RefPtr<Action> act = ActionManager::register_toggle_action (group, name, label, slot);
+       ActionManager::session_sensitive_actions.push_back (act);
+}
+
+static void
+radio_reg_sens (RefPtr<ActionGroup> action_group, RadioAction::Group radio_group, char const * name, char const * label, sigc::slot<void> slot)
+{
+       RefPtr<Action> act = ActionManager::register_radio_action (action_group, radio_group, name, label, slot);
+       ActionManager::session_sensitive_actions.push_back (act);
+}
+
 void
 Editor::register_actions ()
 {
        RefPtr<Action> act;
 
        editor_actions = ActionGroup::create (X_("Editor"));
-       
+
        /* non-operative menu items for menu bar */
 
        ActionManager::register_action (editor_actions, X_("AlignMenu"), _("Align"));
@@ -56,10 +89,17 @@ Editor::register_actions ()
        ActionManager::register_action (editor_actions, X_("EditPointMenu"), _("Edit Point"));
        ActionManager::register_action (editor_actions, X_("FadeMenu"), _("Fade"));
        ActionManager::register_action (editor_actions, X_("LatchMenu"), _("Latch"));
-       ActionManager::register_action (editor_actions, X_("Layering"), _("Layering"));
+       ActionManager::register_action (editor_actions, X_("RegionMenu"), _("Region"));
+       ActionManager::register_action (editor_actions, X_("RegionMenuLayering"), _("Layering"));
+       ActionManager::register_action (editor_actions, X_("RegionMenuNudge"), _("Nudge"));
+       ActionManager::register_action (editor_actions, X_("RegionMenuTrim"), _("Trim"));
+       ActionManager::register_action (editor_actions, X_("RegionMenuGain"), _("Gain"));
+       ActionManager::register_action (editor_actions, X_("RegionMenuRanges"), _("Ranges"));
+       ActionManager::register_action (editor_actions, X_("RegionMenuFades"), _("Fades"));
+       ActionManager::register_action (editor_actions, X_("RegionMenuMIDI"), _("MIDI"));
+       ActionManager::register_action (editor_actions, X_("RegionMenuDuplicate"), _("Duplicate"));
        ActionManager::register_action (editor_actions, X_("Link"), _("Link"));
        ActionManager::register_action (editor_actions, X_("ZoomFocusMenu"), _("Zoom Focus"));
-       ActionManager::register_action (editor_actions, X_("KeyMouseActions"), _("Key Mouse"));
        ActionManager::register_action (editor_actions, X_("LocateToMarker"), _("Locate to Markers"));
        ActionManager::register_action (editor_actions, X_("MarkerMenu"), _("Markers"));
        ActionManager::register_action (editor_actions, X_("MeterFalloff"), _("Meter falloff"));
@@ -68,11 +108,9 @@ Editor::register_actions ()
        ActionManager::register_action (editor_actions, X_("Monitoring"), _("Monitoring"));
        ActionManager::register_action (editor_actions, X_("MoveActiveMarkMenu"), _("Active Mark"));
        ActionManager::register_action (editor_actions, X_("MovePlayHeadMenu"), _("Playhead"));
-       ActionManager::register_action (editor_actions, X_("NudgeRegionMenu"), _("Nudge"));
        ActionManager::register_action (editor_actions, X_("PlayMenu"), _("Play"));
        ActionManager::register_action (editor_actions, X_("PrimaryClockMenu"), _("Primary Clock"));
        ActionManager::register_action (editor_actions, X_("Pullup"), _("Pullup / Pulldown"));
-       ActionManager::register_action (editor_actions, X_("RegionMenu"), _("Region"));
        ActionManager::register_action (editor_actions, X_("RegionEditOps"), _("Region operations"));
        ActionManager::register_action (editor_actions, X_("RegionGainMenu"), _("Gain"));
        ActionManager::register_action (editor_actions, X_("RulerMenu"), _("Rulers"));
@@ -92,661 +130,378 @@ Editor::register_actions ()
        ActionManager::register_action (editor_actions, X_("TrackHeightMenu"), _("Height"));
        ActionManager::register_action (editor_actions, X_("TrackMenu"), _("Track"));
        ActionManager::register_action (editor_actions, X_("Tools"), _("Tools"));
-       ActionManager::register_action (editor_actions, X_("TrimMenu"), _("Trim"));
        ActionManager::register_action (editor_actions, X_("View"), _("View"));
-       ActionManager::register_action (editor_actions, X_("WaveformMenu"), _("Waveforms"));
        ActionManager::register_action (editor_actions, X_("ZoomFocus"), _("Zoom Focus"));
        ActionManager::register_action (editor_actions, X_("ZoomMenu"), _("Zoom"));
 
+       register_region_actions ();
+
        /* add named actions for the editor */
 
-       ActionManager::register_toggle_action (editor_actions, "link-region-and-track-selection", _("Link Region/Track Selection"), mem_fun (*this, &Editor::toggle_link_region_and_track_selection));
-       ActionManager::register_toggle_action (editor_actions, "automation-follows-regions", _("Automation Follows Regions"), mem_fun (*this, &Editor::toggle_automation_follows_regions));
-       ActionManager::register_action (editor_actions, "break-drag", _("Break drag"), mem_fun (*this, &Editor::break_drag));
+       ActionManager::register_action (editor_actions, "escape", _("Break drag or deselect all"), sigc::mem_fun (*this, &Editor::escape));
 
-       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_toggle_action (editor_actions, "show-editor-list", _("Show Editor List"), mem_fun (*this, &Editor::editor_list_button_toggled));
-       ActionManager::session_sensitive_actions.push_back (act);
+       toggle_reg_sens (editor_actions, "show-editor-mixer", _("Show Editor Mixer"), sigc::mem_fun (*this, &Editor::editor_mixer_button_toggled));
+       toggle_reg_sens (editor_actions, "show-editor-list", _("Show Editor List"), sigc::mem_fun (*this, &Editor::editor_list_button_toggled));
 
-       RadioAction::Group crossfade_model_group;
+       reg_sens (editor_actions, "playhead-to-next-region-boundary", _("Playhead to Next Region Boundary"), sigc::bind (sigc::mem_fun(*this, &Editor::cursor_to_next_region_boundary), true ));
+       reg_sens (editor_actions, "playhead-to-next-region-boundary-noselection", _("Playhead to Next Region Boundary (No Track Selection)"), sigc::bind (sigc::mem_fun(*this, &Editor::cursor_to_next_region_boundary), false ));
+       reg_sens (editor_actions, "playhead-to-previous-region-boundary", _("Playhead to Previous Region Boundary"), sigc::bind (sigc::mem_fun(*this, &Editor::cursor_to_previous_region_boundary), true));
+       reg_sens (editor_actions, "playhead-to-previous-region-boundary-noselection", _("Playhead to Previous Region Boundary (No Track Selection)"), sigc::bind (sigc::mem_fun(*this, &Editor::cursor_to_previous_region_boundary), false));
 
-       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);
+       reg_sens (editor_actions, "playhead-to-next-region-start", _("Playhead to Next Region Start"), sigc::bind (sigc::mem_fun(*this, &Editor::cursor_to_next_region_point), playhead_cursor, RegionPoint (Start)));
+       reg_sens (editor_actions, "playhead-to-next-region-end", _("Playhead to Next Region End"), sigc::bind (sigc::mem_fun(*this, &Editor::cursor_to_next_region_point), playhead_cursor, RegionPoint (End)));
+       reg_sens (editor_actions, "playhead-to-next-region-sync", _("Playhead to Next Region Sync"), sigc::bind (sigc::mem_fun(*this, &Editor::cursor_to_next_region_point), playhead_cursor, RegionPoint (SyncPoint)));
 
-       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", _("Show"), 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);
+       reg_sens (editor_actions, "playhead-to-previous-region-start", _("Playhead to Previous Region Start"), sigc::bind (sigc::mem_fun(*this, &Editor::cursor_to_previous_region_point), playhead_cursor, RegionPoint (Start)));
+       reg_sens (editor_actions, "playhead-to-previous-region-end", _("Playhead to Previous Region End"), sigc::bind (sigc::mem_fun(*this, &Editor::cursor_to_previous_region_point), playhead_cursor, RegionPoint (End)));
+       reg_sens (editor_actions, "playhead-to-previous-region-sync", _("Playhead to Previous Region Sync"), sigc::bind (sigc::mem_fun(*this, &Editor::cursor_to_previous_region_point), playhead_cursor, RegionPoint (SyncPoint)));
 
-       act = ActionManager::register_toggle_action (editor_actions, "toggle-region-fades", _("Use Region Fades (global)"), mem_fun(*this, &Editor::toggle_region_fades));
-       ActionManager::session_sensitive_actions.push_back (act);
-       act = ActionManager::register_toggle_action (editor_actions, "toggle-region-fades-visible", _("Show Region Fades"), mem_fun(*this, &Editor::toggle_region_fades_visible));
-       ActionManager::session_sensitive_actions.push_back (act);
-       act = ActionManager::register_action (editor_actions, "toggle-selected-region-fade-in", _("Toggle Region Fade In"), bind (mem_fun(*this, &Editor::toggle_selected_region_fades), 1));;
-       ActionManager::session_sensitive_actions.push_back (act);
-       act = ActionManager::register_action (editor_actions, "toggle-selected-region-fade-out", _("Toggle Region Fade Out"), bind (mem_fun(*this, &Editor::toggle_selected_region_fades), -1));;
-       ActionManager::session_sensitive_actions.push_back (act);
-       act = ActionManager::register_action (editor_actions, "toggle-selected-region-fades", _("Toggle Region Fades"), bind (mem_fun(*this, &Editor::toggle_selected_region_fades), 0));
-       ActionManager::session_sensitive_actions.push_back (act);
+       reg_sens (editor_actions, "selected-marker-to-next-region-boundary", _("To Next Region Boundary"), sigc::bind (sigc::mem_fun(*this, &Editor::selected_marker_to_next_region_boundary), true));
+       reg_sens (editor_actions, "selected-marker-to-next-region-boundary-noselection", _("To Next Region Boundary (No Track Selection)"), sigc::bind (sigc::mem_fun(*this, &Editor::selected_marker_to_next_region_boundary), false));
+       reg_sens (editor_actions, "selected-marker-to-previous-region-boundary", _("To Previous Region Boundary"), sigc::bind (sigc::mem_fun(*this, &Editor::selected_marker_to_previous_region_boundary), true));
+       reg_sens (editor_actions, "selected-marker-to-previous-region-boundary-noselection", _("to Previous Region Boundary (No Track Selection)"), sigc::bind (sigc::mem_fun(*this, &Editor::selected_marker_to_previous_region_boundary), false));
 
-       act = ActionManager::register_action (editor_actions, "playhead-to-next-region-boundary", _("Playhead to Next Region Boundary"), bind (mem_fun(*this, &Editor::cursor_to_next_region_boundary), true ));
-       ActionManager::session_sensitive_actions.push_back (act);
-       act = ActionManager::register_action (editor_actions, "playhead-to-next-region-boundary-noselection", _("Playhead to Next Region Boundary (No Track Selection)"), bind (mem_fun(*this, &Editor::cursor_to_next_region_boundary), false ));
-       ActionManager::session_sensitive_actions.push_back (act);
-       act = ActionManager::register_action (editor_actions, "playhead-to-previous-region-boundary", _("Playhead to Previous Region Boundary"), bind (mem_fun(*this, &Editor::cursor_to_previous_region_boundary), true));
-       ActionManager::session_sensitive_actions.push_back (act);
-       act = ActionManager::register_action (editor_actions, "playhead-to-previous-region-boundary-noselection", _("Playhead to Previous Region Boundary (No Track Selection"), bind (mem_fun(*this, &Editor::cursor_to_previous_region_boundary), false));
-       ActionManager::session_sensitive_actions.push_back (act);
+       reg_sens (editor_actions, "edit-cursor-to-next-region-start", _("To Next Region Start"), sigc::bind (sigc::mem_fun(*this, &Editor::selected_marker_to_next_region_point), RegionPoint (Start)));
+       reg_sens (editor_actions, "edit-cursor-to-next-region-end", _("To Next Region End"), sigc::bind (sigc::mem_fun(*this, &Editor::selected_marker_to_next_region_point), RegionPoint (End)));
+       reg_sens (editor_actions, "edit-cursor-to-next-region-sync", _("To Next Region Sync"), sigc::bind (sigc::mem_fun(*this, &Editor::selected_marker_to_next_region_point), RegionPoint (SyncPoint)));
 
-       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)));
-       ActionManager::session_sensitive_actions.push_back (act);
-       act = ActionManager::register_action (editor_actions, "playhead-to-next-region-end", _("Playhead to Next Region End"), bind (mem_fun(*this, &Editor::cursor_to_next_region_point), playhead_cursor, RegionPoint (End)));
-       ActionManager::session_sensitive_actions.push_back (act);
-       act = ActionManager::register_action (editor_actions, "playhead-to-next-region-sync", _("Playhead to Next Region Sync"), bind (mem_fun(*this, &Editor::cursor_to_next_region_point), playhead_cursor, RegionPoint (SyncPoint)));
-       ActionManager::session_sensitive_actions.push_back (act);
+       reg_sens (editor_actions, "edit-cursor-to-previous-region-start", _("To Previous Region Start"), sigc::bind (sigc::mem_fun(*this, &Editor::selected_marker_to_previous_region_point), RegionPoint (Start)));
+       reg_sens (editor_actions, "edit-cursor-to-previous-region-end", _("To Previous Region End"), sigc::bind (sigc::mem_fun(*this, &Editor::selected_marker_to_previous_region_point), RegionPoint (End)));
+       reg_sens (editor_actions, "edit-cursor-to-previous-region-sync", _("To Previous Region Sync"), sigc::bind (sigc::mem_fun(*this, &Editor::selected_marker_to_previous_region_point), RegionPoint (SyncPoint)));
 
-       act = ActionManager::register_action (editor_actions, "playhead-to-previous-region-start", _("Playhead to Previous Region Start"), bind (mem_fun(*this, &Editor::cursor_to_previous_region_point), playhead_cursor, RegionPoint (Start)));
-       ActionManager::session_sensitive_actions.push_back (act);
-       act = ActionManager::register_action (editor_actions, "playhead-to-previous-region-end", _("Playhead to Previous Region End"), bind (mem_fun(*this, &Editor::cursor_to_previous_region_point), playhead_cursor, RegionPoint (End)));
-       ActionManager::session_sensitive_actions.push_back (act);
-       act = ActionManager::register_action (editor_actions, "playhead-to-previous-region-sync", _("Playhead to Previous Region Sync"), bind (mem_fun(*this, &Editor::cursor_to_previous_region_point), playhead_cursor, RegionPoint (SyncPoint)));
-       ActionManager::session_sensitive_actions.push_back (act);
+       reg_sens (editor_actions, "edit-cursor-to-range-start", _("To Range Start"), sigc::mem_fun(*this, &Editor::selected_marker_to_selection_start));
+       reg_sens (editor_actions, "edit-cursor-to-range-end", _("To Range End"), sigc::mem_fun(*this, &Editor::selected_marker_to_selection_end));
 
-       act = ActionManager::register_action (editor_actions, "selected-marker-to-next-region-boundary", _("to Next Region Boundary"), bind (mem_fun(*this, &Editor::selected_marker_to_next_region_boundary), true));
-       ActionManager::session_sensitive_actions.push_back (act);
-       act = ActionManager::register_action (editor_actions, "selected-marker-to-next-region-boundary-noselection", _("to Next Region Boundary (No Track Selection)"), bind (mem_fun(*this, &Editor::selected_marker_to_next_region_boundary), false));
-       ActionManager::session_sensitive_actions.push_back (act);
-       act = ActionManager::register_action (editor_actions, "selected-marker-to-previous-region-boundary", _("to Previous Region Boundary"), bind (mem_fun(*this, &Editor::selected_marker_to_previous_region_boundary), true));
-       ActionManager::session_sensitive_actions.push_back (act);
-       act = ActionManager::register_action (editor_actions, "selected-marker-to-previous-region-boundary-noselection", _("to Previous Region Boundary (No Track Selection)"), bind (mem_fun(*this, &Editor::selected_marker_to_previous_region_boundary), false));
-       ActionManager::session_sensitive_actions.push_back (act);
+       reg_sens (editor_actions, "playhead-to-range-start", _("Playhead to Range Start"), sigc::bind (sigc::mem_fun(*this, &Editor::cursor_to_selection_start), playhead_cursor));
+       reg_sens (editor_actions, "playhead-to-range-end", _("Playhead to Range End"), sigc::bind (sigc::mem_fun(*this, &Editor::cursor_to_selection_end), playhead_cursor));
 
-       act = ActionManager::register_action (editor_actions, "edit-cursor-to-next-region-start", _("To Next Region Start"), bind (mem_fun(*this, &Editor::selected_marker_to_next_region_point), RegionPoint (Start)));
-       ActionManager::session_sensitive_actions.push_back (act);
-       act = ActionManager::register_action (editor_actions, "edit-cursor-to-next-region-end", _("To Next Region End"), bind (mem_fun(*this, &Editor::selected_marker_to_next_region_point), RegionPoint (End)));
-       ActionManager::session_sensitive_actions.push_back (act);
-       act = ActionManager::register_action (editor_actions, "edit-cursor-to-next-region-sync", _("To Next Region Sync"), bind (mem_fun(*this, &Editor::selected_marker_to_next_region_point), RegionPoint (SyncPoint)));
-       ActionManager::session_sensitive_actions.push_back (act);
+       reg_sens (editor_actions, "select-all", _("Select All"), sigc::bind (sigc::mem_fun(*this, &Editor::select_all), Selection::Set));
+       reg_sens (editor_actions, "deselect-all", _("Deselect All"), sigc::mem_fun(*this, &Editor::deselect_all));
+       reg_sens (editor_actions, "invert-selection", _("Invert Selection"), sigc::mem_fun(*this, &Editor::invert_selection));
+       reg_sens (editor_actions, "select-all-after-edit-cursor", _("Select All After Edit Point"), sigc::bind (sigc::mem_fun(*this, &Editor::select_all_selectables_using_edit), true));
+       reg_sens (editor_actions, "select-all-before-edit-cursor", _("Select All Before Edit Point"), sigc::bind (sigc::mem_fun(*this, &Editor::select_all_selectables_using_edit), false));
 
-       act = ActionManager::register_action (editor_actions, "edit-cursor-to-previous-region-start", _("To Previous Region Start"), bind (mem_fun(*this, &Editor::selected_marker_to_previous_region_point), RegionPoint (Start)));
-       ActionManager::session_sensitive_actions.push_back (act);
-       act = ActionManager::register_action (editor_actions, "edit-cursor-to-previous-region-end", _("To Previous Region End"), bind (mem_fun(*this, &Editor::selected_marker_to_previous_region_point), RegionPoint (End)));
-       ActionManager::session_sensitive_actions.push_back (act);
-       act = ActionManager::register_action (editor_actions, "edit-cursor-to-previous-region-sync", _("To Previous Region Sync"), bind (mem_fun(*this, &Editor::selected_marker_to_previous_region_point), RegionPoint (SyncPoint)));
-       ActionManager::session_sensitive_actions.push_back (act);
+       reg_sens (editor_actions, "select-all-between-cursors", _("Select All Overlapping Edit Range"), sigc::bind (sigc::mem_fun(*this, &Editor::select_all_selectables_between), false));
+       reg_sens (editor_actions, "select-all-within-cursors", _("Select All Inside Edit Range"), sigc::bind (sigc::mem_fun(*this, &Editor::select_all_selectables_between), true));
 
-        act = ActionManager::register_action (editor_actions, "edit-cursor-to-range-start", _("To Range Start"), mem_fun(*this, &Editor::selected_marker_to_selection_start));
-       ActionManager::session_sensitive_actions.push_back (act);
-       act = ActionManager::register_action (editor_actions, "edit-cursor-to-range-end", _("To Range End"), mem_fun(*this, &Editor::selected_marker_to_selection_end));
-       ActionManager::session_sensitive_actions.push_back (act);
+       reg_sens (editor_actions, "select-range-between-cursors", _("Select Edit Range"), sigc::mem_fun(*this, &Editor::select_range_between));
 
-       act = ActionManager::register_action (editor_actions, "playhead-to-range-start", _("Playhead to Range Start"), bind (mem_fun(*this, &Editor::cursor_to_selection_start), playhead_cursor));
-       ActionManager::session_sensitive_actions.push_back (act);
-       act = ActionManager::register_action (editor_actions, "playhead-to-range-end", _("Playhead to Range End"), bind (mem_fun(*this, &Editor::cursor_to_selection_end), playhead_cursor));
-       ActionManager::session_sensitive_actions.push_back (act);
+       reg_sens (editor_actions, "select-all-in-punch-range", _("Select All in Punch Range"), sigc::mem_fun(*this, &Editor::select_all_selectables_using_punch));
+       reg_sens (editor_actions, "select-all-in-loop-range", _("Select All in Loop Range"), sigc::mem_fun(*this, &Editor::select_all_selectables_using_loop));
 
-       act = ActionManager::register_action (editor_actions, "select-all", _("Select All"), bind (mem_fun(*this, &Editor::select_all), Selection::Set));
-       ActionManager::session_sensitive_actions.push_back (act);
-       act = ActionManager::register_action (editor_actions, "deselect-all", _("Deselect All"), mem_fun(*this, &Editor::deselect_all));
-       ActionManager::session_sensitive_actions.push_back (act);
-       act = ActionManager::register_action (editor_actions, "invert-selection", _("Invert Selection"), mem_fun(*this, &Editor::invert_selection));
-       ActionManager::session_sensitive_actions.push_back (act);
-       act = ActionManager::register_action (editor_actions, "select-all-after-edit-cursor", _("Select All After Edit Point"), bind (mem_fun(*this, &Editor::select_all_selectables_using_edit), true));
-       ActionManager::session_sensitive_actions.push_back (act);
-       act = ActionManager::register_action (editor_actions, "select-all-before-edit-cursor", _("Select All Before Edit Point"), bind (mem_fun(*this, &Editor::select_all_selectables_using_edit), false));
-       ActionManager::session_sensitive_actions.push_back (act);
+       reg_sens (editor_actions, "select-next-route", _("Select Next Track or Bus"), sigc::mem_fun(*this, &Editor::select_next_route));
+       reg_sens (editor_actions, "select-prev-route", _("Select Previous Track or Bus"), sigc::mem_fun(*this, &Editor::select_prev_route));
 
-       act = ActionManager::register_action (editor_actions, "select-all-between-cursors", _("Select All Overlapping Edit Range"), bind (mem_fun(*this, &Editor::select_all_selectables_between), false));
-       ActionManager::session_sensitive_actions.push_back (act);
-       act = ActionManager::register_action (editor_actions, "select-all-within-cursors", _("Select All Inside Edit Range"), bind (mem_fun(*this, &Editor::select_all_selectables_between), true));
-       ActionManager::session_sensitive_actions.push_back (act);
+       act = reg_sens (editor_actions, "track-record-enable-toggle", _("Toggle Record Enable"), sigc::mem_fun(*this, &Editor::toggle_record_enable));
+       ActionManager::track_selection_sensitive_actions.push_back (act);
 
-       act = ActionManager::register_action (editor_actions, "select-range-between-cursors", _("Select Edit Range"), mem_fun(*this, &Editor::select_range_between));
-       ActionManager::session_sensitive_actions.push_back (act);
+       for (int i = 1; i <= 12; ++i) {
+               string const a = string_compose (X_("save-visual-state-%1"), i);
+               string const n = string_compose (_("Save View %1"), i);
+               reg_sens (editor_actions, a.c_str(), n.c_str(), sigc::bind (sigc::mem_fun (*this, &Editor::start_visual_state_op), i - 1));
+       }
 
-               act = ActionManager::register_action (editor_actions, "select-all-in-punch-range", _("Select All in Punch Range"), mem_fun(*this, &Editor::select_all_selectables_using_punch));
-       ActionManager::session_sensitive_actions.push_back (act);
-               act = ActionManager::register_action (editor_actions, "select-all-in-loop-range", _("Select All in Loop Range"), mem_fun(*this, &Editor::select_all_selectables_using_loop));
-       ActionManager::session_sensitive_actions.push_back (act);
-       
-               act = ActionManager::register_action (editor_actions, "select-next-route", _("Select Next Track/Bus"), mem_fun(*this, &Editor::select_next_route));
-       ActionManager::session_sensitive_actions.push_back (act);
-               act = ActionManager::register_action (editor_actions, "select-prev-route", _("Select Previous Track/Bus"), mem_fun(*this, &Editor::select_prev_route));
-       ActionManager::session_sensitive_actions.push_back (act);
+       for (int i = 1; i <= 12; ++i) {
+               string const a = string_compose (X_("goto-visual-state-%1"), i);
+               string const n = string_compose (_("Goto View %1"), i);
+               reg_sens (editor_actions, a.c_str(), n.c_str(), sigc::bind (sigc::mem_fun (*this, &Editor::cancel_visual_state_op), i - 1));
+       }
        
-               act = ActionManager::register_action (editor_actions, "track-record-enable-toggle", _("Toggle Record Enable"), mem_fun(*this, &Editor::toggle_record_enable));
-       ActionManager::session_sensitive_actions.push_back (act);
-
-
-       act = ActionManager::register_action (editor_actions, "save-visual-state-1", _("Save View 1"), bind (mem_fun (*this, &Editor::start_visual_state_op), 0));
-       ActionManager::session_sensitive_actions.push_back (act);
-       act = ActionManager::register_action (editor_actions, "goto-visual-state-1", _("Goto View 1"), bind (mem_fun (*this, &Editor::cancel_visual_state_op), 0));
-       ActionManager::session_sensitive_actions.push_back (act);
-       act = ActionManager::register_action (editor_actions, "save-visual-state-2", _("Save View 2"), bind (mem_fun (*this, &Editor::start_visual_state_op), 1));
-       ActionManager::session_sensitive_actions.push_back (act);
-       act = ActionManager::register_action (editor_actions, "goto-visual-state-2", _("Goto View 2"), bind (mem_fun (*this, &Editor::cancel_visual_state_op), 1));
-       ActionManager::session_sensitive_actions.push_back (act);
-       act = ActionManager::register_action (editor_actions, "save-visual-state-3", _("Save View 3"), bind (mem_fun (*this, &Editor::start_visual_state_op), 2));
-       ActionManager::session_sensitive_actions.push_back (act);
-       act = ActionManager::register_action (editor_actions, "goto-visual-state-3", _("Goto View 3"), bind (mem_fun (*this, &Editor::cancel_visual_state_op), 2));
-       ActionManager::session_sensitive_actions.push_back (act);
-       act = ActionManager::register_action (editor_actions, "save-visual-state-4", _("Save View 4"), bind (mem_fun (*this, &Editor::start_visual_state_op), 3));
-       ActionManager::session_sensitive_actions.push_back (act);
-       act = ActionManager::register_action (editor_actions, "goto-visual-state-4", _("Goto View 4"), bind (mem_fun (*this, &Editor::cancel_visual_state_op), 3));
-       ActionManager::session_sensitive_actions.push_back (act);
-       act = ActionManager::register_action (editor_actions, "save-visual-state-5", _("Save View 5"), bind (mem_fun (*this, &Editor::start_visual_state_op), 4));
-       ActionManager::session_sensitive_actions.push_back (act);
-       act = ActionManager::register_action (editor_actions, "goto-visual-state-5", _("Goto View 5"), bind (mem_fun (*this, &Editor::cancel_visual_state_op), 4));
-       ActionManager::session_sensitive_actions.push_back (act);
-       act = ActionManager::register_action (editor_actions, "save-visual-state-6", _("Save View 6"), bind (mem_fun (*this, &Editor::start_visual_state_op), 5));
-       ActionManager::session_sensitive_actions.push_back (act);
-       act = ActionManager::register_action (editor_actions, "goto-visual-state-6", _("Goto View 6"), bind (mem_fun (*this, &Editor::cancel_visual_state_op), 5));
-       ActionManager::session_sensitive_actions.push_back (act);
-       act = ActionManager::register_action (editor_actions, "save-visual-state-7", _("Save View 7"), bind (mem_fun (*this, &Editor::start_visual_state_op), 6));
-       ActionManager::session_sensitive_actions.push_back (act);
-       act = ActionManager::register_action (editor_actions, "goto-visual-state-7", _("Goto View 7"), bind (mem_fun (*this, &Editor::cancel_visual_state_op), 6));
-       ActionManager::session_sensitive_actions.push_back (act);
-       act = ActionManager::register_action (editor_actions, "save-visual-state-8", _("Save View 8"), bind (mem_fun (*this, &Editor::start_visual_state_op), 7));
-       ActionManager::session_sensitive_actions.push_back (act);
-       act = ActionManager::register_action (editor_actions, "goto-visual-state-8", _("Goto View 8"), bind (mem_fun (*this, &Editor::cancel_visual_state_op), 7));
-       ActionManager::session_sensitive_actions.push_back (act);
-       act = ActionManager::register_action (editor_actions, "save-visual-state-9", _("Save View 9"), bind (mem_fun (*this, &Editor::start_visual_state_op), 8));
-       ActionManager::session_sensitive_actions.push_back (act);
-       act = ActionManager::register_action (editor_actions, "goto-visual-state-9", _("Goto View 9"), bind (mem_fun (*this, &Editor::cancel_visual_state_op), 8));
-       ActionManager::session_sensitive_actions.push_back (act);
-       act = ActionManager::register_action (editor_actions, "save-visual-state-10", _("Save View 10"), bind (mem_fun (*this, &Editor::start_visual_state_op), 9));
-       ActionManager::session_sensitive_actions.push_back (act);
-       act = ActionManager::register_action (editor_actions, "goto-visual-state-10", _("Goto View 10"), bind (mem_fun (*this, &Editor::cancel_visual_state_op), 9));
-       ActionManager::session_sensitive_actions.push_back (act);
-       act = ActionManager::register_action (editor_actions, "save-visual-state-11", _("Save View 11"), bind (mem_fun (*this, &Editor::start_visual_state_op), 10));
-       ActionManager::session_sensitive_actions.push_back (act);
-       act = ActionManager::register_action (editor_actions, "goto-visual-state-11", _("Goto View 11"), bind (mem_fun (*this, &Editor::cancel_visual_state_op), 10));
-       ActionManager::session_sensitive_actions.push_back (act);
-       act = ActionManager::register_action (editor_actions, "save-visual-state-12", _("Save View 12"), bind (mem_fun (*this, &Editor::start_visual_state_op), 11));
-       ActionManager::session_sensitive_actions.push_back (act);
-       act = ActionManager::register_action (editor_actions, "goto-visual-state-12", _("Goto View 12"), bind (mem_fun (*this, &Editor::cancel_visual_state_op), 11));
-       ActionManager::session_sensitive_actions.push_back (act);
-
-
-       act = ActionManager::register_action (editor_actions, "goto-mark-1", _("Locate to Mark 1"), bind (mem_fun (*this, &Editor::goto_nth_marker), 0));
-       ActionManager::session_sensitive_actions.push_back (act);
-       act = ActionManager::register_action (editor_actions, "goto-mark-2", _("Locate to Mark 2"), bind (mem_fun (*this, &Editor::goto_nth_marker), 1));
-       ActionManager::session_sensitive_actions.push_back (act);
-       act = ActionManager::register_action (editor_actions, "goto-mark-3", _("Locate to Mark 3"), bind (mem_fun (*this, &Editor::goto_nth_marker), 2));
-       ActionManager::session_sensitive_actions.push_back (act);
-       act = ActionManager::register_action (editor_actions, "goto-mark-4", _("Locate to Mark 4"), bind (mem_fun (*this, &Editor::goto_nth_marker), 3));
-       ActionManager::session_sensitive_actions.push_back (act);
-       act = ActionManager::register_action (editor_actions, "goto-mark-5", _("Locate to Mark 5"), bind (mem_fun (*this, &Editor::goto_nth_marker), 4));
-       ActionManager::session_sensitive_actions.push_back (act);
-       act = ActionManager::register_action (editor_actions, "goto-mark-6", _("Locate to Mark 6"), bind (mem_fun (*this, &Editor::goto_nth_marker), 5));
-       ActionManager::session_sensitive_actions.push_back (act);
-       act = ActionManager::register_action (editor_actions, "goto-mark-7", _("Locate to Mark 7"), bind (mem_fun (*this, &Editor::goto_nth_marker), 6));
-       ActionManager::session_sensitive_actions.push_back (act);
-       act = ActionManager::register_action (editor_actions, "goto-mark-8", _("Locate to Mark 8"), bind (mem_fun (*this, &Editor::goto_nth_marker), 7));
-       ActionManager::session_sensitive_actions.push_back (act);
-       act = ActionManager::register_action (editor_actions, "goto-mark-9", _("Locate to Mark 9"), bind (mem_fun (*this, &Editor::goto_nth_marker), 8));
-       ActionManager::session_sensitive_actions.push_back (act);
+       for (int i = 1; i <= 9; ++i) {
+               string const a = string_compose (X_("goto-mark-%1"), i);
+               string const n = string_compose (_("Locate to Mark %1"), i);
+               reg_sens (editor_actions, a.c_str(), n.c_str(), sigc::bind (sigc::mem_fun (*this, &Editor::goto_nth_marker), i - 1));
+       }
 
-       act = ActionManager::register_action (editor_actions, "jump-forward-to-mark", _("Jump Forward to Mark"), mem_fun(*this, &Editor::jump_forward_to_mark));
-       ActionManager::session_sensitive_actions.push_back (act);
-       act = ActionManager::register_action (editor_actions, "jump-backward-to-mark", _("Jump Backward to Mark"), mem_fun(*this, &Editor::jump_backward_to_mark));
-       ActionManager::session_sensitive_actions.push_back (act);
-       act = ActionManager::register_action (editor_actions, "add-location-from-playhead", _("Add Mark from Playhead"), mem_fun(*this, &Editor::add_location_from_playhead_cursor));
-       ActionManager::session_sensitive_actions.push_back (act);
+       reg_sens (editor_actions, "jump-forward-to-mark", _("Jump Forward to Mark"), sigc::mem_fun(*this, &Editor::jump_forward_to_mark));
+       reg_sens (editor_actions, "jump-backward-to-mark", _("Jump Backward to Mark"), sigc::mem_fun(*this, &Editor::jump_backward_to_mark));
+       reg_sens (editor_actions, "add-location-from-playhead", _("Add Mark from Playhead"), sigc::mem_fun(*this, &Editor::add_location_from_playhead_cursor));
 
-       act = ActionManager::register_action (editor_actions, "nudge-forward", _("Nudge Forward"), bind (mem_fun(*this, &Editor::nudge_forward), false, false));
-       ActionManager::session_sensitive_actions.push_back (act);
-       act = ActionManager::register_action (editor_actions, "nudge-next-forward", _("Nudge Next Forward"), bind (mem_fun(*this, &Editor::nudge_forward), true, false));
-       ActionManager::session_sensitive_actions.push_back (act);
-       act = ActionManager::register_action (editor_actions, "nudge-backward", _("Nudge Backward"), bind (mem_fun(*this, &Editor::nudge_backward), false, false));
-       ActionManager::session_sensitive_actions.push_back (act);
-       act = ActionManager::register_action (editor_actions, "nudge-next-backward", _("Nudge Next Backward"), bind (mem_fun(*this, &Editor::nudge_backward), true, false));
-       ActionManager::session_sensitive_actions.push_back (act);
+       reg_sens (editor_actions, "nudge-next-forward", _("Nudge Next Forward"), sigc::bind (sigc::mem_fun(*this, &Editor::nudge_forward), true, false));
+       reg_sens (editor_actions, "nudge-next-backward", _("Nudge Next Backward"), sigc::bind (sigc::mem_fun(*this, &Editor::nudge_backward), true, false));
 
-       act = ActionManager::register_action (editor_actions, "nudge-playhead-forward", _("Nudge Playhead Forward"), bind (mem_fun(*this, &Editor::nudge_forward), false, true));
-       ActionManager::session_sensitive_actions.push_back (act);
-       act = ActionManager::register_action (editor_actions, "nudge-playhead-backward", _("Nudge Playhead Backward"), bind (mem_fun(*this, &Editor::nudge_backward), false, true));
-       ActionManager::session_sensitive_actions.push_back (act);
-       act = ActionManager::register_action (editor_actions, "playhead-forward-to-grid", _("Forward to Grid"), mem_fun(*this, &Editor::playhead_forward_to_grid));
-       ActionManager::session_sensitive_actions.push_back (act);
-       act = ActionManager::register_action (editor_actions, "playhead-backward-to-grid", _("Backward to Grid"), mem_fun(*this, &Editor::playhead_backward_to_grid));
-       ActionManager::session_sensitive_actions.push_back (act);
+       reg_sens (editor_actions, "nudge-playhead-forward", _("Nudge Playhead Forward"), sigc::bind (sigc::mem_fun(*this, &Editor::nudge_forward), false, true));
+       reg_sens (editor_actions, "nudge-playhead-backward", _("Nudge Playhead Backward"), sigc::bind (sigc::mem_fun(*this, &Editor::nudge_backward), false, true));
+       reg_sens (editor_actions, "playhead-forward-to-grid", _("Forward to Grid"), sigc::mem_fun(*this, &Editor::playhead_forward_to_grid));
+       reg_sens (editor_actions, "playhead-backward-to-grid", _("Backward to Grid"), sigc::mem_fun(*this, &Editor::playhead_backward_to_grid));
 
 
-       act = ActionManager::register_action (editor_actions, "temporal-zoom-out", _("Zoom Out"), bind (mem_fun(*this, &Editor::temporal_zoom_step), true));
-       ActionManager::session_sensitive_actions.push_back (act);
-       act = ActionManager::register_action (editor_actions, "temporal-zoom-in", _("Zoom In"), bind (mem_fun(*this, &Editor::temporal_zoom_step), false));
-       ActionManager::session_sensitive_actions.push_back (act);
-       act = ActionManager::register_action (editor_actions, "zoom-to-session", _("Zoom to Session"), mem_fun(*this, &Editor::temporal_zoom_session));
-       ActionManager::session_sensitive_actions.push_back (act);
-       act = ActionManager::register_action (editor_actions, "zoom-to-region", _("Zoom to Region"), bind (mem_fun(*this, &Editor::toggle_zoom_region), false));
-       ActionManager::session_sensitive_actions.push_back (act);
-       act = ActionManager::register_action (editor_actions, "zoom-to-region-both-axes", _("Zoom to Region (W&H)"), bind (mem_fun(*this, &Editor::toggle_zoom_region), true));
-       ActionManager::session_sensitive_actions.push_back (act);
-       act = ActionManager::register_action (editor_actions, "toggle-zoom", _("Toggle Zoom State"), mem_fun(*this, &Editor::swap_visual_state));
-       ActionManager::session_sensitive_actions.push_back (act);
+       reg_sens (editor_actions, "temporal-zoom-out", _("Zoom Out"), sigc::bind (sigc::mem_fun(*this, &Editor::temporal_zoom_step), true));
+       reg_sens (editor_actions, "temporal-zoom-in", _("Zoom In"), sigc::bind (sigc::mem_fun(*this, &Editor::temporal_zoom_step), false));
+       reg_sens (editor_actions, "zoom-to-session", _("Zoom to Session"), sigc::mem_fun(*this, &Editor::temporal_zoom_session));
+       reg_sens (editor_actions, "zoom-to-region", _("Zoom to Region"), sigc::bind (sigc::mem_fun(*this, &Editor::zoom_to_region), false));
+       reg_sens (editor_actions, "zoom-to-region-both-axes", _("Zoom to Region (Width and Height)"), sigc::bind (sigc::mem_fun(*this, &Editor::zoom_to_region), true));
+       reg_sens (editor_actions, "toggle-zoom", _("Toggle Zoom State"), sigc::mem_fun(*this, &Editor::swap_visual_state));
 
-       act = ActionManager::register_action (editor_actions, "move-selected-tracks-up", _("Move Selected Tracks Up"), bind (mem_fun(*this, &Editor::move_selected_tracks), true));
-       ActionManager::session_sensitive_actions.push_back (act);
-       act = ActionManager::register_action (editor_actions, "move-selected-tracks-down", _("Move Selected Tracks Down"), bind (mem_fun(*this, &Editor::move_selected_tracks), false));
-       ActionManager::session_sensitive_actions.push_back (act);
+       reg_sens (editor_actions, "expand-tracks", _("Expand Track Height"), sigc::bind (sigc::mem_fun (*this, &Editor::tav_zoom_step), false));
+       reg_sens (editor_actions, "shrink-tracks", _("Shrink Track Height"), sigc::bind (sigc::mem_fun (*this, &Editor::tav_zoom_step), true));
 
-       act = ActionManager::register_action (editor_actions, "scroll-tracks-up", _("Scroll Tracks Up"), mem_fun(*this, &Editor::scroll_tracks_up));
-       ActionManager::session_sensitive_actions.push_back (act);
-       act = ActionManager::register_action (editor_actions, "scroll-tracks-down", _("Scroll Tracks Down"), mem_fun(*this, &Editor::scroll_tracks_down));
-       ActionManager::session_sensitive_actions.push_back (act);
-       act = ActionManager::register_action (editor_actions, "step-tracks-up", _("Step Tracks Up"), mem_fun(*this, &Editor::scroll_tracks_up_line));
-       ActionManager::session_sensitive_actions.push_back (act);
-       act = ActionManager::register_action (editor_actions, "step-tracks-down", _("Step Tracks Down"), mem_fun(*this, &Editor::scroll_tracks_down_line));
-       ActionManager::session_sensitive_actions.push_back (act);
+       act = reg_sens (editor_actions, "move-selected-tracks-up", _("Move Selected Tracks Up"), sigc::bind (sigc::mem_fun(*_routes, &EditorRoutes::move_selected_tracks), true));
+       ActionManager::track_selection_sensitive_actions.push_back (act);
+       act = reg_sens (editor_actions, "move-selected-tracks-down", _("Move Selected Tracks Down"), sigc::bind (sigc::mem_fun(*_routes, &EditorRoutes::move_selected_tracks), false));
+       ActionManager::track_selection_sensitive_actions.push_back (act);
 
-       act = ActionManager::register_action (editor_actions, "scroll-backward", _("Scroll Backward"), bind (mem_fun(*this, &Editor::scroll_backward), 0.8f));
-       ActionManager::session_sensitive_actions.push_back (act);
-       act = ActionManager::register_action (editor_actions, "scroll-forward", _("Scroll Forward"), bind (mem_fun(*this, &Editor::scroll_forward), 0.8f));
-       ActionManager::session_sensitive_actions.push_back (act);
-       act = ActionManager::register_action (editor_actions, "goto", _("goto"), mem_fun(*this, &Editor::goto_frame));
-       ActionManager::session_sensitive_actions.push_back (act);
-       act = ActionManager::register_action (editor_actions, "center-playhead", _("Center Playhead"), mem_fun(*this, &Editor::center_playhead));
-       ActionManager::session_sensitive_actions.push_back (act);
-       act = ActionManager::register_action (editor_actions, "center-edit-cursor", _("Center Active Marker"), mem_fun(*this, &Editor::center_edit_point));
-       ActionManager::session_sensitive_actions.push_back (act);
+       act = reg_sens (editor_actions, "scroll-tracks-up", _("Scroll Tracks Up"), sigc::mem_fun(*this, &Editor::scroll_tracks_up));
+       ActionManager::track_selection_sensitive_actions.push_back (act);
+       act = reg_sens (editor_actions, "scroll-tracks-down", _("Scroll Tracks Down"), sigc::mem_fun(*this, &Editor::scroll_tracks_down));
+       ActionManager::track_selection_sensitive_actions.push_back (act);
+       act = reg_sens (editor_actions, "step-tracks-up", _("Step Tracks Up"), sigc::mem_fun(*this, &Editor::scroll_tracks_up_line));
+       ActionManager::track_selection_sensitive_actions.push_back (act);
+       act = reg_sens (editor_actions, "step-tracks-down", _("Step Tracks Down"), sigc::mem_fun(*this, &Editor::scroll_tracks_down_line));
+       ActionManager::track_selection_sensitive_actions.push_back (act);
 
-       act = ActionManager::register_action (editor_actions, "scroll-playhead-forward", _("Playhead Forward"), bind (mem_fun(*this, &Editor::scroll_playhead), true));;
-       ActionManager::session_sensitive_actions.push_back (act);
-       act = ActionManager::register_action (editor_actions, "scroll-playhead-backward", _("Playhead Backward"), bind (mem_fun(*this, &Editor::scroll_playhead), false));
-       ActionManager::session_sensitive_actions.push_back (act);
+       reg_sens (editor_actions, "scroll-backward", _("Scroll Backward"), sigc::bind (sigc::mem_fun(*this, &Editor::scroll_backward), 0.8f));
+       reg_sens (editor_actions, "scroll-forward", _("Scroll Forward"), sigc::bind (sigc::mem_fun(*this, &Editor::scroll_forward), 0.8f));
+       reg_sens (editor_actions, "center-playhead", _("Center Playhead"), sigc::mem_fun(*this, &Editor::center_playhead));
+       reg_sens (editor_actions, "center-edit-cursor", _("Center Edit Point"), sigc::mem_fun(*this, &Editor::center_edit_point));
 
-       act = ActionManager::register_action (editor_actions, "playhead-to-edit", _("Playhead to Active Mark"), bind (mem_fun(*this, &Editor::cursor_align), true));
-       ActionManager::session_sensitive_actions.push_back (act);
-       act = ActionManager::register_action (editor_actions, "edit-to-playhead", _("Active Mark to Playhead"), bind (mem_fun(*this, &Editor::cursor_align), false));
-       ActionManager::session_sensitive_actions.push_back (act);
+       reg_sens (editor_actions, "scroll-playhead-forward", _("Playhead Forward"), sigc::bind (sigc::mem_fun(*this, &Editor::scroll_playhead), true));;
+       reg_sens (editor_actions, "scroll-playhead-backward", _("Playhead Backward"), sigc::bind (sigc::mem_fun(*this, &Editor::scroll_playhead), false));
 
-       act = ActionManager::register_action (editor_actions, "trim-front", _("Trim Start at Edit Point"), mem_fun(*this, &Editor::trim_region_front));
-       ActionManager::session_sensitive_actions.push_back (act);
-       ActionManager::region_selection_sensitive_actions.push_back (act);
-       act = ActionManager::register_action (editor_actions, "trim-back", _("Trim End at Edit Point"), mem_fun(*this, &Editor::trim_region_back));
-       ActionManager::session_sensitive_actions.push_back (act);
-       ActionManager::region_selection_sensitive_actions.push_back (act);
+       reg_sens (editor_actions, "playhead-to-edit", _("Playhead to Active Mark"), sigc::bind (sigc::mem_fun(*this, &Editor::cursor_align), true));
+       reg_sens (editor_actions, "edit-to-playhead", _("Active Mark to Playhead"), sigc::bind (sigc::mem_fun(*this, &Editor::cursor_align), false));
 
-       act = ActionManager::register_action (editor_actions, "trim-from-start", _("Start to Edit Point"), mem_fun(*this, &Editor::trim_region_from_edit_point));
-       ActionManager::session_sensitive_actions.push_back (act);
-       ActionManager::region_selection_sensitive_actions.push_back (act);
-       act = ActionManager::register_action (editor_actions, "trim-to-end", _("Edit Point to End"), mem_fun(*this, &Editor::trim_region_to_edit_point));
-       ActionManager::session_sensitive_actions.push_back (act);
-       ActionManager::region_selection_sensitive_actions.push_back (act);
-       act = ActionManager::register_action (editor_actions, "trim-region-to-loop", _("Trim to Loop"), mem_fun(*this, &Editor::trim_region_to_loop));
-       ActionManager::session_sensitive_actions.push_back (act);
-       ActionManager::region_selection_sensitive_actions.push_back (act);
-       act = ActionManager::register_action (editor_actions, "trim-region-to-punch", _("Trim to Punch"), mem_fun(*this, &Editor::trim_region_to_punch));
-       ActionManager::session_sensitive_actions.push_back (act);
-       ActionManager::region_selection_sensitive_actions.push_back (act);
+       reg_sens (editor_actions, "set-loop-from-edit-range", _("Set Loop from Edit Range"), sigc::bind (sigc::mem_fun(*this, &Editor::set_loop_from_edit_range), false));
+       reg_sens (editor_actions, "set-punch-from-edit-range", _("Set Punch from Edit Range"), sigc::mem_fun(*this, &Editor::set_punch_from_edit_range));
 
-       act = ActionManager::register_action (editor_actions, "trim-to-previous-region", _("Trim to Previous"), mem_fun(*this, &Editor::trim_region_to_previous_region_end));
-       ActionManager::session_sensitive_actions.push_back (act);
-       ActionManager::region_selection_sensitive_actions.push_back (act);
-       act = ActionManager::register_action (editor_actions, "trim-to-next-region", _("Trim to Next"), mem_fun(*this, &Editor::trim_region_to_next_region_start));
-       ActionManager::session_sensitive_actions.push_back (act);
-       ActionManager::region_selection_sensitive_actions.push_back (act);
+       /* this is a duplicated action so that the main menu can use a different label */
+       reg_sens (editor_actions, "main-menu-play-selected-regions", _("Play Selected Regions"), sigc::mem_fun (*this, &Editor::play_selected_region));
+       reg_sens (editor_actions, "play-from-edit-point", _("Play From Edit Point"), sigc::mem_fun(*this, &Editor::play_from_edit_point));
+       reg_sens (editor_actions, "play-from-edit-point-and-return", _("Play from Edit Point and Return"), sigc::mem_fun(*this, &Editor::play_from_edit_point_and_return));
 
-       act = ActionManager::register_action (editor_actions, "set-loop-from-edit-range", _("Set Loop from Edit Range"), bind (mem_fun(*this, &Editor::set_loop_from_edit_range), false));
-       ActionManager::session_sensitive_actions.push_back (act);
-       act = ActionManager::register_action (editor_actions, "set-loop-from-region", _("Set Loop from Region"), bind (mem_fun(*this, &Editor::set_loop_from_region), false));
-       ActionManager::session_sensitive_actions.push_back (act);
-       ActionManager::region_selection_sensitive_actions.push_back (act);
-       act = ActionManager::register_action (editor_actions, "loop-region", _("Loop Region"), bind (mem_fun(*this, &Editor::set_loop_from_region), true));
-       ActionManager::session_sensitive_actions.push_back (act);
-       ActionManager::region_selection_sensitive_actions.push_back (act);
-       act = ActionManager::register_action (editor_actions, "set-punch-from-edit-range", _("Set Punch from Edit Range"), mem_fun(*this, &Editor::set_punch_from_edit_range));
-       ActionManager::session_sensitive_actions.push_back (act);
-       act = ActionManager::register_action (editor_actions, "set-punch-from-region", _("Set Punch From Region"), mem_fun(*this, &Editor::set_punch_from_region));
-       ActionManager::session_sensitive_actions.push_back (act);
-       ActionManager::region_selection_sensitive_actions.push_back (act);
-       act = ActionManager::register_action (editor_actions, "pitch-shift-region", _("Transpose"), mem_fun(*this, &Editor::pitch_shift_regions));
-       ActionManager::session_sensitive_actions.push_back (act);
-       ActionManager::region_selection_sensitive_actions.push_back (act);
-       act = ActionManager::register_action (editor_actions, "toggle-opaque-region", _("Toggle Opaque"), mem_fun(*this, &Editor::toggle_region_opaque));
-       ActionManager::session_sensitive_actions.push_back (act);
-       ActionManager::region_selection_sensitive_actions.push_back (act);
-       act = ActionManager::register_action (editor_actions, "add-range-marker-from-region", _("Add 1 Range Marker"), mem_fun(*this, &Editor::add_location_from_audio_region));
-       ActionManager::session_sensitive_actions.push_back (act);
-       ActionManager::region_selection_sensitive_actions.push_back (act);
-       act = ActionManager::register_action (editor_actions, "add-range-markers-from-region", _("Add Range Marker(s)"), mem_fun(*this, &Editor::add_locations_from_audio_region));
-       ActionManager::session_sensitive_actions.push_back (act);
-       ActionManager::region_selection_sensitive_actions.push_back (act);
-       
-       act = ActionManager::register_action (editor_actions, "set-fade-in-length", _("Set Fade In Length"), bind (mem_fun(*this, &Editor::set_fade_length), true));
-       ActionManager::session_sensitive_actions.push_back (act);
-       act = ActionManager::register_action (editor_actions, "toggle-fade-in-active", _("Toggle Fade In Active"), bind (mem_fun(*this, &Editor::toggle_fade_active), true));
-       ActionManager::session_sensitive_actions.push_back (act);
-       act = ActionManager::register_action (editor_actions, "set-fade-out-length", _("Set Fade Out Length"), bind (mem_fun(*this, &Editor::set_fade_length), false));
-       ActionManager::session_sensitive_actions.push_back (act);
-       act = ActionManager::register_action (editor_actions, "toggle-fade-out-active", _("Toggle Fade Out Active"), bind (mem_fun(*this, &Editor::toggle_fade_active), false));
-       ActionManager::session_sensitive_actions.push_back (act);
-
-       act = ActionManager::register_action (editor_actions, "align-regions-start", _("Align Regions Start"), bind (mem_fun(*this, &Editor::align), ARDOUR::Start));
-       ActionManager::session_sensitive_actions.push_back (act);
-       ActionManager::region_selection_sensitive_actions.push_back (act);
-       act = ActionManager::register_action (editor_actions, "align-regions-start-relative", _("Align Regions Start Relative"), bind (mem_fun(*this, &Editor::align_relative), ARDOUR::Start));
-       ActionManager::session_sensitive_actions.push_back (act);
-       ActionManager::region_selection_sensitive_actions.push_back (act);
-       act = ActionManager::register_action (editor_actions, "align-regions-end", _("Align Regions End"), bind (mem_fun(*this, &Editor::align), ARDOUR::End));
-       ActionManager::session_sensitive_actions.push_back (act);
-       ActionManager::region_selection_sensitive_actions.push_back (act);
-       act = ActionManager::register_action (editor_actions, "align-regions-end-relative", _("Align Regions End Relative"), bind (mem_fun(*this, &Editor::align_relative), ARDOUR::End));
-       ActionManager::session_sensitive_actions.push_back (act);
-       ActionManager::region_selection_sensitive_actions.push_back (act);
+       reg_sens (editor_actions, "play-edit-range", _("Play Edit Range"), sigc::mem_fun(*this, &Editor::play_edit_range));
 
-       act = ActionManager::register_action (editor_actions, "align-regions-sync", _("Align Regions Sync"), bind (mem_fun(*this, &Editor::align), ARDOUR::SyncPoint));
-       ActionManager::session_sensitive_actions.push_back (act);
-       ActionManager::region_selection_sensitive_actions.push_back (act);
-       act = ActionManager::register_action (editor_actions, "align-regions-sync-relative", _("Align Regions Sync Relative"), bind (mem_fun(*this, &Editor::align_relative), ARDOUR::SyncPoint));
-       ActionManager::session_sensitive_actions.push_back (act);
-       ActionManager::region_selection_sensitive_actions.push_back (act);
+       reg_sens (editor_actions, "set-playhead", _("Playhead to Mouse"), sigc::mem_fun(*this, &Editor::set_playhead_cursor));
+       reg_sens (editor_actions, "set-edit-point", _("Active Marker to Mouse"), sigc::mem_fun(*this, &Editor::set_edit_point));
 
-        act = ActionManager::register_action (editor_actions, "play-from-edit-point", _("Play From Edit Point"), mem_fun(*this, &Editor::play_from_edit_point));
-        ActionManager::session_sensitive_actions.push_back (act);
-        act = ActionManager::register_action (editor_actions, "play-from-edit-point-and-return", _("Play from Edit Point & Return"), mem_fun(*this, &Editor::play_from_edit_point_and_return));
-        ActionManager::session_sensitive_actions.push_back (act);
+       reg_sens (editor_actions, "duplicate-range", _("Duplicate Range"), sigc::bind (sigc::mem_fun(*this, &Editor::duplicate_dialog), false));
 
-        act = ActionManager::register_action (editor_actions, "play-edit-range", _("Play Edit Range"), mem_fun(*this, &Editor::play_edit_range));
-        act = ActionManager::register_action (editor_actions, "play-selected-regions", _("Play Selected Region(s)"), mem_fun(*this, &Editor::play_selected_region));
-        ActionManager::session_sensitive_actions.push_back (act);
-       ActionManager::region_selection_sensitive_actions.push_back (act);
-        act = ActionManager::register_action (editor_actions, "brush-at-mouse", _("Brush at Mouse"), mem_fun(*this, &Editor::kbd_brush));
-        ActionManager::session_sensitive_actions.push_back (act);
+       undo_action = reg_sens (editor_actions, "undo", _("Undo"), sigc::bind (sigc::mem_fun(*this, &Editor::undo), 1U));
+       redo_action = reg_sens (editor_actions, "redo", _("Redo"), sigc::bind (sigc::mem_fun(*this, &Editor::redo), 1U));
 
-       act = ActionManager::register_action (editor_actions, "set-playhead", _("Playhead to Mouse"), mem_fun(*this, &Editor::set_playhead_cursor));
-       ActionManager::session_sensitive_actions.push_back (act);
-       act = ActionManager::register_action (editor_actions, "set-edit-point", _("Active Marker to Mouse"), mem_fun(*this, &Editor::set_edit_point));
-       ActionManager::session_sensitive_actions.push_back (act);
+       reg_sens (editor_actions, "export-audio", _("Export Audio"), sigc::mem_fun(*this, &Editor::export_audio));
+       reg_sens (editor_actions, "export-range", _("Export Range"), sigc::mem_fun(*this, &Editor::export_range));
 
-       act = ActionManager::register_action (editor_actions, "duplicate-region", _("Duplicate Region"), bind (mem_fun(*this, &Editor::duplicate_dialog), false));
-       ActionManager::session_sensitive_actions.push_back (act);
-       ActionManager::region_selection_sensitive_actions.push_back (act);
-       act = ActionManager::register_action (editor_actions, "multi-duplicate-region", _("Multi-Duplicate Region"), bind (mem_fun(*this, &Editor::duplicate_dialog), true));
-       ActionManager::session_sensitive_actions.push_back (act);
-       ActionManager::region_selection_sensitive_actions.push_back (act);
-       act = ActionManager::register_action (editor_actions, "duplicate-range", _("Duplicate Range"), bind (mem_fun(*this, &Editor::duplicate_dialog), false));
-       ActionManager::session_sensitive_actions.push_back (act);
-       ActionManager::region_selection_sensitive_actions.push_back (act);
-       act = ActionManager::register_action (editor_actions, "insert-region", _("Insert Region"), mem_fun(*this, &Editor::keyboard_insert_region_list_selection));
-       ActionManager::session_sensitive_actions.push_back (act);
-       ActionManager::region_selection_sensitive_actions.push_back (act);
-       act = ActionManager::register_action (editor_actions, "normalize-region", _("Normalize Region"), mem_fun(*this, &Editor::normalize_region));
-       ActionManager::session_sensitive_actions.push_back (act);
-       ActionManager::region_selection_sensitive_actions.push_back (act);
-       act = ActionManager::register_action (editor_actions, "rename-region", _("Rename"), mem_fun(*this, &Editor::rename_region));
-       ActionManager::session_sensitive_actions.push_back (act);
-       ActionManager::region_selection_sensitive_actions.push_back (act);
-       act = ActionManager::register_action (editor_actions, "auto-rename-region", _("Auto-Rename"), mem_fun(*this, &Editor::rename_region));
-       ActionManager::session_sensitive_actions.push_back (act);
-       ActionManager::region_selection_sensitive_actions.push_back (act);
-       act = ActionManager::register_action (editor_actions, "boost-region-gain", _("Boost Region Gain"), bind (mem_fun(*this, &Editor::adjust_region_scale_amplitude), true));
-       ActionManager::session_sensitive_actions.push_back (act);
-       ActionManager::region_selection_sensitive_actions.push_back (act);
-       act = ActionManager::register_action (editor_actions, "cut-region-gain", _("Cut Region Gain"), bind (mem_fun(*this, &Editor::adjust_region_scale_amplitude), false));
-       ActionManager::session_sensitive_actions.push_back (act);
-       ActionManager::region_selection_sensitive_actions.push_back (act);
-       act = ActionManager::register_action (editor_actions, "split-region", _("Split Region"), mem_fun(*this, &Editor::split));
-        ActionManager::session_sensitive_actions.push_back (act);
-       ActionManager::region_selection_sensitive_actions.push_back (act);
-       act = ActionManager::register_action (editor_actions, "set-region-sync-position", _("Set Region Sync Position"), mem_fun(*this, &Editor::set_region_sync_from_edit_point));
-        ActionManager::session_sensitive_actions.push_back (act);
-       ActionManager::region_selection_sensitive_actions.push_back (act);
-       act = ActionManager::register_action (editor_actions, "remove-region-sync", _("Remove Region Sync"), mem_fun(*this, &Editor::remove_region_sync));
-        ActionManager::session_sensitive_actions.push_back (act);
-       ActionManager::region_selection_sensitive_actions.push_back (act);
-       act = ActionManager::register_action (editor_actions, "raise-region", _("Raise Region"), mem_fun(*this, &Editor::raise_region));
-        ActionManager::session_sensitive_actions.push_back (act);
-       ActionManager::region_selection_sensitive_actions.push_back (act);
-       act = ActionManager::register_action (editor_actions, "lower-region", _("Lower Region"), mem_fun(*this, &Editor::lower_region));
-        ActionManager::session_sensitive_actions.push_back (act);
-       ActionManager::region_selection_sensitive_actions.push_back (act);
-       act = ActionManager::register_action (editor_actions, "export-region", _("Export Region"), mem_fun(*this, &Editor::export_region));
-        ActionManager::session_sensitive_actions.push_back (act);
-       ActionManager::region_selection_sensitive_actions.push_back (act);
-       act = ActionManager::register_toggle_action (editor_actions, "lock-region", _("Lock Region"), mem_fun(*this, &Editor::toggle_region_lock));
-        ActionManager::session_sensitive_actions.push_back (act);
-       ActionManager::region_selection_sensitive_actions.push_back (act);
-       act = ActionManager::register_toggle_action (editor_actions, "glue-region", _("Glue Region to Bars & Beats"), bind (mem_fun (*this, &Editor::set_region_lock_style), Region::MusicTime));
-        ActionManager::session_sensitive_actions.push_back (act);
-       ActionManager::region_selection_sensitive_actions.push_back (act);
-       act = ActionManager::register_action (editor_actions, "naturalize-region", _("Move to Original Position"), mem_fun (*this, &Editor::naturalize));
-        ActionManager::session_sensitive_actions.push_back (act);
-       ActionManager::region_selection_sensitive_actions.push_back (act);
-       act = ActionManager::register_action (editor_actions, "reverse-region", _("Reverse"), mem_fun (*this, &Editor::reverse_region));
-        ActionManager::session_sensitive_actions.push_back (act);
-       ActionManager::region_selection_sensitive_actions.push_back (act);
-       act = ActionManager::register_action (editor_actions, "monoize-region", _("Make mono regions"), (mem_fun(*this, &Editor::split_multichannel_region)));
-        ActionManager::session_sensitive_actions.push_back (act);
-       ActionManager::region_selection_sensitive_actions.push_back (act);
-       act = ActionManager::register_action (editor_actions, "region-fill-track", _("Fill Track"), (mem_fun(*this, &Editor::region_fill_track)));
-        ActionManager::session_sensitive_actions.push_back (act);
-       ActionManager::region_selection_sensitive_actions.push_back (act);
-       act = ActionManager::register_action (editor_actions, "mute-unmute-region", _("Mute/Unmute Region"), mem_fun(*this, &Editor::kbd_mute_unmute_region));
-       ActionManager::session_sensitive_actions.push_back (act);
-       ActionManager::region_selection_sensitive_actions.push_back (act);
-
-       undo_action = act = ActionManager::register_action (editor_actions, "undo", _("Undo"), bind (mem_fun(*this, &Editor::undo), 1U));
-       ActionManager::session_sensitive_actions.push_back (act);
-       redo_action = act = ActionManager::register_action (editor_actions, "redo", _("Redo"), bind (mem_fun(*this, &Editor::redo), 1U));
-       ActionManager::session_sensitive_actions.push_back (act);
-
-       act = ActionManager::register_action (editor_actions, "export-audio", _("Export Audio"), mem_fun(*this, &Editor::export_audio));
-       ActionManager::session_sensitive_actions.push_back (act);
-       act = ActionManager::register_action (editor_actions, "export-range", _("Export Range"), mem_fun(*this, &Editor::export_range));
-       ActionManager::session_sensitive_actions.push_back (act);
-
-       act = ActionManager::register_action (editor_actions, "editor-separate", _("Separate"), mem_fun(*this, &Editor::separate_region_from_selection));
-       ActionManager::session_sensitive_actions.push_back (act);
+       act = reg_sens (editor_actions, "editor-separate", _("Separate"), sigc::mem_fun(*this, &Editor::separate_region_from_selection));
        ActionManager::mouse_edit_point_requires_canvas_actions.push_back (act);
-       act = ActionManager::register_action (editor_actions, "separate-from-punch", _("Separate Using Punch Range"), mem_fun(*this, &Editor::separate_region_from_punch));
-       ActionManager::session_sensitive_actions.push_back (act);
+       
+       act = reg_sens (editor_actions, "separate-from-punch", _("Separate Using Punch Range"), sigc::mem_fun(*this, &Editor::separate_region_from_punch));
        ActionManager::mouse_edit_point_requires_canvas_actions.push_back (act);
-       act = ActionManager::register_action (editor_actions, "separate-from-loop", _("Separate Using Loop Range"), mem_fun(*this, &Editor::separate_region_from_loop));
-       ActionManager::session_sensitive_actions.push_back (act);
+       
+       act = reg_sens (editor_actions, "separate-from-loop", _("Separate Using Loop Range"), sigc::mem_fun(*this, &Editor::separate_region_from_loop));
        ActionManager::mouse_edit_point_requires_canvas_actions.push_back (act);
-       act = ActionManager::register_action (editor_actions, "editor-crop", _("Crop"), mem_fun(*this, &Editor::crop_region_to_selection));
-       ActionManager::session_sensitive_actions.push_back (act);
+       
+       act = reg_sens (editor_actions, "editor-crop", _("Crop"), sigc::mem_fun(*this, &Editor::crop_region_to_selection));
        ActionManager::mouse_edit_point_requires_canvas_actions.push_back (act);
-       act = ActionManager::register_action (editor_actions, "editor-cut", _("Cut"), mem_fun(*this, &Editor::cut));
-       ActionManager::session_sensitive_actions.push_back (act);
+       
+       reg_sens (editor_actions, "editor-cut", _("Cut"), sigc::mem_fun(*this, &Editor::cut));
+       
        /* Note: for now, editor-delete does the exact same thing as editor-cut */
-       act = ActionManager::register_action (editor_actions, "editor-delete", _("Delete"), mem_fun(*this, &Editor::cut));
-       ActionManager::session_sensitive_actions.push_back (act);
-       act = ActionManager::register_action (editor_actions, "editor-copy", _("Copy"), mem_fun(*this, &Editor::copy));
-       ActionManager::session_sensitive_actions.push_back (act);
-       act = ActionManager::register_action (editor_actions, "editor-paste", _("Paste"), mem_fun(*this, &Editor::keyboard_paste));
-       ActionManager::session_sensitive_actions.push_back (act);
+       reg_sens (editor_actions, "editor-delete", _("Delete"), sigc::mem_fun(*this, &Editor::cut));
+       reg_sens (editor_actions, "editor-copy", _("Copy"), sigc::mem_fun(*this, &Editor::copy));
+       reg_sens (editor_actions, "editor-paste", _("Paste"), sigc::mem_fun(*this, &Editor::keyboard_paste));
 
-       act = ActionManager::register_action (editor_actions, "quantize-region", _("Quantize Region"), mem_fun(*this, &Editor::quantize_region));
-       ActionManager::session_sensitive_actions.push_back (act);
-       ActionManager::region_selection_sensitive_actions.push_back (act);
-       
-       act = ActionManager::register_action (editor_actions, "set-tempo-from-region", _("Set Tempo from Region=Bar"), mem_fun(*this, &Editor::use_region_as_bar));
-       ActionManager::session_sensitive_actions.push_back (act);
-       ActionManager::region_selection_sensitive_actions.push_back (act);
-       act = ActionManager::register_action (editor_actions, "set-tempo-from-edit-range", _("Set Tempo from Edit Range=Bar"), mem_fun(*this, &Editor::use_range_as_bar));
-       ActionManager::session_sensitive_actions.push_back (act);
+       reg_sens (editor_actions, "set-tempo-from-edit-range", _("Set Tempo from Edit Range = Bar"), sigc::mem_fun(*this, &Editor::use_range_as_bar));
 
-       act = ActionManager::register_action (editor_actions, "split-region-at-transients", _("Split Regions At Percussion Onsets"), mem_fun(*this, &Editor::split_region_at_transients));
-       ActionManager::session_sensitive_actions.push_back (act);
-       ActionManager::region_selection_sensitive_actions.push_back (act);
-       act = ActionManager::register_action (editor_actions, "toggle-rhythm-ferret", _("Rhythm Ferret"), mem_fun(*this, &Editor::show_rhythm_ferret));
-       ActionManager::session_sensitive_actions.push_back (act);
-       act = ActionManager::register_action (editor_actions, "toggle-bundle-manager", _("Bundle Manager"), mem_fun (*this, &Editor::show_bundle_manager));
-       ActionManager::session_sensitive_actions.push_back (act);
-       act = ActionManager::register_action (editor_actions, "toggle-audio-connection-manager", _("Audio Connection Manager"), bind (mem_fun (*this, &Editor::show_global_port_matrix), ARDOUR::DataType::AUDIO));
-       ActionManager::session_sensitive_actions.push_back (act);
-       act = ActionManager::register_action (editor_actions, "toggle-midi-connection-manager", _("MIDI Connection Manager"), bind (mem_fun (*this, &Editor::show_global_port_matrix), ARDOUR::DataType::MIDI));
-       ActionManager::session_sensitive_actions.push_back (act);
+       toggle_reg_sens (editor_actions, "toggle-log-window", _("Log"),
+                       sigc::mem_fun (ARDOUR_UI::instance(), &ARDOUR_UI::toggle_errors));
 
-       act = ActionManager::register_action (editor_actions, "tab-to-transient-forwards", _("Move Forward to Transient"), bind (mem_fun(*this, &Editor::tab_to_transient), true));
-       ActionManager::session_sensitive_actions.push_back (act);
-       act = ActionManager::register_action (editor_actions, "tab-to-transient-backwards", _("Move Backwards to Transient"), bind (mem_fun(*this, &Editor::tab_to_transient), false));
-       ActionManager::session_sensitive_actions.push_back (act);
+       reg_sens (editor_actions, "tab-to-transient-forwards", _("Move Forward to Transient"), sigc::bind (sigc::mem_fun(*this, &Editor::tab_to_transient), true));
+       reg_sens (editor_actions, "tab-to-transient-backwards", _("Move Backwards to Transient"), sigc::bind (sigc::mem_fun(*this, &Editor::tab_to_transient), false));
 
-       act = ActionManager::register_action (editor_actions, "crop", _("Crop"), mem_fun(*this, &Editor::crop_region_to_selection));
-       ActionManager::session_sensitive_actions.push_back (act);
-       act = ActionManager::register_action (editor_actions, "insert-chunk", _("Insert Chunk"), bind (mem_fun(*this, &Editor::paste_named_selection), 1.0f));
-       ActionManager::session_sensitive_actions.push_back (act);
+       reg_sens (editor_actions, "crop", _("Crop"), sigc::mem_fun(*this, &Editor::crop_region_to_selection));
 
-       act = ActionManager::register_action (editor_actions, "split-at-edit-cursor", _("Split At Edit Point"), mem_fun(*this, &Editor::split_region));
-       ActionManager::edit_point_in_region_sensitive_actions.push_back (act);
+       reg_sens (editor_actions, "start-range", _("Start Range"), sigc::mem_fun(*this, &Editor::keyboard_selection_begin));
+       reg_sens (editor_actions, "finish-range", _("Finish Range"), sigc::bind (sigc::mem_fun(*this, &Editor::keyboard_selection_finish), false));
+       reg_sens (editor_actions, "finish-add-range", _("Finish Add Range"), sigc::bind (sigc::mem_fun(*this, &Editor::keyboard_selection_finish), true));
 
-       act = ActionManager::register_action (editor_actions, "start-range", _("Start Range"), mem_fun(*this, &Editor::keyboard_selection_begin));
-       ActionManager::session_sensitive_actions.push_back (act);
-       act = ActionManager::register_action (editor_actions, "finish-range", _("Finish Range"), bind (mem_fun(*this, &Editor::keyboard_selection_finish), false));
-       ActionManager::session_sensitive_actions.push_back (act);
-       act = ActionManager::register_action (editor_actions, "finish-add-range", _("Finish add Range"), bind (mem_fun(*this, &Editor::keyboard_selection_finish), true));
-       ActionManager::session_sensitive_actions.push_back (act);
+       reg_sens (editor_actions, "extend-range-to-end-of-region", _("Extend Range to End of Region"), sigc::bind (sigc::mem_fun(*this, &Editor::extend_selection_to_end_of_region), false));
+       reg_sens (editor_actions, "extend-range-to-start-of-region", _("Extend Range to Start of Region"), sigc::bind (sigc::mem_fun(*this, &Editor::extend_selection_to_start_of_region), false));
 
-       act = ActionManager::register_action (editor_actions, "extend-range-to-end-of-region", _("Extend Range to End of Region"), bind (mem_fun(*this, &Editor::extend_selection_to_end_of_region), false));
-       ActionManager::session_sensitive_actions.push_back (act);
-       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);
+       toggle_reg_sens (editor_actions, "toggle-follow-playhead", _("Follow Playhead"), (sigc::mem_fun(*this, &Editor::toggle_follow_playhead)));
+       act = reg_sens (editor_actions, "remove-last-capture", _("Remove Last Capture"), (sigc::mem_fun(*this, &Editor::remove_last_capture)));
 
-       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);
+       ActionManager::register_toggle_action (editor_actions, "toggle-stationary-playhead", _("Stationary Playhead"), (mem_fun(*this, &Editor::toggle_stationary_playhead)));
 
-       act = ActionManager::register_action (editor_actions, "insert-time", _("Insert Time"), (mem_fun(*this, &Editor::do_insert_time)));
-       ActionManager::session_sensitive_actions.push_back (act);
+       act = reg_sens (editor_actions, "insert-time", _("Insert Time"), (sigc::mem_fun(*this, &Editor::do_insert_time)));
        ActionManager::track_selection_sensitive_actions.push_back (act);
 
-       act = ActionManager::register_action (editor_actions, "toggle-track-active", _("Toggle Active"), (mem_fun(*this, &Editor::toggle_tracks_active)));
-       ActionManager::session_sensitive_actions.push_back (act);
+       act = reg_sens (editor_actions, "toggle-track-active", _("Toggle Active"), (sigc::mem_fun(*this, &Editor::toggle_tracks_active)));
        ActionManager::track_selection_sensitive_actions.push_back (act);
        if (Profile->get_sae()) {
-               act = ActionManager::register_action (editor_actions, "remove-track", _("Delete"), (mem_fun(*this, &Editor::remove_tracks)));
+               act = reg_sens (editor_actions, "remove-track", _("Delete"), (sigc::mem_fun(*this, &Editor::remove_tracks)));
        } else {
-               act = ActionManager::register_action (editor_actions, "remove-track", _("Remove"), (mem_fun(*this, &Editor::remove_tracks)));
+               act = reg_sens (editor_actions, "remove-track", _("Remove"), (sigc::mem_fun(*this, &Editor::remove_tracks)));
        }
-       ActionManager::session_sensitive_actions.push_back (act);
        ActionManager::track_selection_sensitive_actions.push_back (act);
 
-       act = ActionManager::register_action (editor_actions, "fit-tracks", _("Fit Selected Tracks"), (mem_fun(*this, &Editor::fit_tracks)));
-       ActionManager::session_sensitive_actions.push_back (act);
-       act = ActionManager::register_action (editor_actions, "track-height-largest", _("Largest"), bind (
-                       mem_fun(*this, &Editor::set_track_height), TimeAxisView::hLargest));
-       ActionManager::session_sensitive_actions.push_back (act);
+       reg_sens (editor_actions, "fit-tracks", _("Fit Selected Tracks"), sigc::mem_fun(*this, &Editor::fit_selected_tracks));
+
+       act = reg_sens (editor_actions, "track-height-largest", _("Largest"), sigc::bind (
+                               sigc::mem_fun(*this, &Editor::set_track_height), HeightLargest));
        ActionManager::track_selection_sensitive_actions.push_back (act);
-       act = ActionManager::register_action (editor_actions, "track-height-larger", _("Larger"), bind (
-                       mem_fun(*this, &Editor::set_track_height), TimeAxisView::hLarger));
-       ActionManager::session_sensitive_actions.push_back (act);
+       act = reg_sens (editor_actions, "track-height-larger", _("Larger"), sigc::bind (
+                               sigc::mem_fun(*this, &Editor::set_track_height), HeightLarger));
        ActionManager::track_selection_sensitive_actions.push_back (act);
-       act = ActionManager::register_action (editor_actions, "track-height-large", _("Large"), bind (
-                       mem_fun(*this, &Editor::set_track_height), TimeAxisView::hLarge));
-       ActionManager::session_sensitive_actions.push_back (act);
+       act = reg_sens (editor_actions, "track-height-large", _("Large"), sigc::bind (
+                               sigc::mem_fun(*this, &Editor::set_track_height), HeightLarge));
        ActionManager::track_selection_sensitive_actions.push_back (act);
-       act = ActionManager::register_action (editor_actions, "track-height-normal", _("Normal"), bind (
-                       mem_fun(*this, &Editor::set_track_height), TimeAxisView::hNormal));
-       ActionManager::session_sensitive_actions.push_back (act);
+       act = reg_sens (editor_actions, "track-height-normal", _("Normal"), sigc::bind (
+                               sigc::mem_fun(*this, &Editor::set_track_height), HeightNormal));
        ActionManager::track_selection_sensitive_actions.push_back (act);
-       act = ActionManager::register_action (editor_actions, "track-height-small", _("Small"), bind (
-                       mem_fun(*this, &Editor::set_track_height), TimeAxisView::hSmall));
+       act = reg_sens (editor_actions, "track-height-small", _("Small"), sigc::bind (
+                               sigc::mem_fun(*this, &Editor::set_track_height), HeightSmall));
        ActionManager::track_selection_sensitive_actions.push_back (act);
-       ActionManager::session_sensitive_actions.push_back (act);
        ActionManager::track_selection_sensitive_actions.push_back (act);
-       act = ActionManager::register_action (editor_actions, "track-height-smaller", _("Smaller"), bind (
-                       mem_fun(*this, &Editor::set_track_height), TimeAxisView::hSmaller));
-       ActionManager::session_sensitive_actions.push_back (act);
+       act = reg_sens (editor_actions, "track-height-smaller", _("Smaller"), sigc::bind (
+                               sigc::mem_fun(*this, &Editor::set_track_height), HeightSmaller));
        ActionManager::track_selection_sensitive_actions.push_back (act);
 
        Glib::RefPtr<ActionGroup> zoom_actions = ActionGroup::create (X_("Zoom"));
        RadioAction::Group zoom_group;
 
-       ActionManager::register_radio_action (zoom_actions, zoom_group, "zoom-focus-left", _("Zoom Focus Left"), bind (mem_fun(*this, &Editor::zoom_focus_chosen), Editing::ZoomFocusLeft));
-       ActionManager::session_sensitive_actions.push_back (act);
-       ActionManager::register_radio_action (zoom_actions, zoom_group, "zoom-focus-right", _("Zoom Focus Right"), bind (mem_fun(*this, &Editor::zoom_focus_chosen), Editing::ZoomFocusRight));
-       ActionManager::session_sensitive_actions.push_back (act);
-       ActionManager::register_radio_action (zoom_actions, zoom_group, "zoom-focus-center", _("Zoom Focus Center"), bind (mem_fun(*this, &Editor::zoom_focus_chosen), Editing::ZoomFocusCenter));
-       ActionManager::session_sensitive_actions.push_back (act);
-       ActionManager::register_radio_action (zoom_actions, zoom_group, "zoom-focus-playhead", _("Zoom Focus Playhead"), bind (mem_fun(*this, &Editor::zoom_focus_chosen), Editing::ZoomFocusPlayhead));
-       ActionManager::session_sensitive_actions.push_back (act);
-       ActionManager::register_radio_action (zoom_actions, zoom_group, "zoom-focus-mouse", _("Zoom Focus Mouse"), bind (mem_fun(*this, &Editor::zoom_focus_chosen), Editing::ZoomFocusMouse));
-       ActionManager::session_sensitive_actions.push_back (act);
-       ActionManager::register_radio_action (zoom_actions, zoom_group, "zoom-focus-edit", _("Zoom Focus Edit"), bind (mem_fun(*this, &Editor::zoom_focus_chosen), Editing::ZoomFocusEdit));
-       ActionManager::session_sensitive_actions.push_back (act);
+       radio_reg_sens (zoom_actions, zoom_group, "zoom-focus-left", _("Zoom Focus Left"), sigc::bind (sigc::mem_fun(*this, &Editor::zoom_focus_chosen), Editing::ZoomFocusLeft));
+       radio_reg_sens (zoom_actions, zoom_group, "zoom-focus-right", _("Zoom Focus Right"), sigc::bind (sigc::mem_fun(*this, &Editor::zoom_focus_chosen), Editing::ZoomFocusRight));
+       radio_reg_sens (zoom_actions, zoom_group, "zoom-focus-center", _("Zoom Focus Center"), sigc::bind (sigc::mem_fun(*this, &Editor::zoom_focus_chosen), Editing::ZoomFocusCenter));
+       radio_reg_sens (zoom_actions, zoom_group, "zoom-focus-playhead", _("Zoom Focus Playhead"), sigc::bind (sigc::mem_fun(*this, &Editor::zoom_focus_chosen), Editing::ZoomFocusPlayhead));
+       radio_reg_sens (zoom_actions, zoom_group, "zoom-focus-mouse", _("Zoom Focus Mouse"), sigc::bind (sigc::mem_fun(*this, &Editor::zoom_focus_chosen), Editing::ZoomFocusMouse));
+       radio_reg_sens (zoom_actions, zoom_group, "zoom-focus-edit", _("Zoom Focus Edit Point"), sigc::bind (sigc::mem_fun(*this, &Editor::zoom_focus_chosen), Editing::ZoomFocusEdit));
 
        Glib::RefPtr<ActionGroup> mouse_mode_actions = ActionGroup::create (X_("MouseMode"));
        RadioAction::Group mouse_mode_group;
 
-       ActionManager::register_radio_action (mouse_mode_actions, mouse_mode_group, "set-mouse-mode-object", _("Object Tool"), bind (mem_fun(*this, &Editor::set_mouse_mode), Editing::MouseObject, false));
-       ActionManager::register_radio_action (mouse_mode_actions, mouse_mode_group, "set-mouse-mode-range", _("Range Tool"), bind (mem_fun(*this, &Editor::set_mouse_mode), Editing::MouseRange, false));
-       ActionManager::register_radio_action (mouse_mode_actions, mouse_mode_group, "set-mouse-mode-gain", _("Gain Tool"), bind (mem_fun(*this, &Editor::set_mouse_mode), Editing::MouseGain, false));
-       ActionManager::register_radio_action (mouse_mode_actions, mouse_mode_group, "set-mouse-mode-zoom", _("Zoom Tool"), bind (mem_fun(*this, &Editor::set_mouse_mode), Editing::MouseZoom, false));
-       ActionManager::register_radio_action (mouse_mode_actions, mouse_mode_group, "set-mouse-mode-timefx", _("Timefx Tool"), bind (mem_fun(*this, &Editor::set_mouse_mode), Editing::MouseTimeFX, false));
-       ActionManager::register_radio_action (mouse_mode_actions, mouse_mode_group, "set-mouse-mode-note", _("Note Tool"), bind (mem_fun(*this, &Editor::set_mouse_mode), Editing::MouseNote, false));
+       act = ActionManager::register_radio_action (mouse_mode_actions, mouse_mode_group, "set-mouse-mode-object", _("Object Tool"), sigc::bind (sigc::mem_fun(*this, &Editor::mouse_mode_toggled), Editing::MouseObject));
+       act->connect_proxy (mouse_move_button);
+       mouse_move_button.set_image (*(manage (new Image (::get_icon("tool_object")))));
+       mouse_move_button.set_label ("");
+       mouse_move_button.set_name ("MouseModeButton");
+       mouse_move_button.get_image ()->show ();
+
+       act = ActionManager::register_radio_action (mouse_mode_actions, mouse_mode_group, "set-mouse-mode-range", _("Range Tool"), sigc::bind (sigc::mem_fun(*this, &Editor::mouse_mode_toggled), Editing::MouseRange));
+       act->connect_proxy (mouse_select_button);
+       mouse_select_button.set_image (*(manage (new Image (::get_icon("tool_range")))));
+       mouse_select_button.set_label ("");
+       mouse_select_button.set_name ("MouseModeButton");
+       mouse_select_button.get_image ()->show ();
+
+       act = ActionManager::register_toggle_action (mouse_mode_actions, "set-mouse-mode-object-range", _("Link Object / Range Tools"), sigc::mem_fun (*this, &Editor::mouse_mode_object_range_toggled));
+       act->connect_proxy (join_object_range_button);
+       join_object_range_button.set_image (*(manage (new Image (::get_icon ("tool_object_range")))));
+       join_object_range_button.set_label ("");
+       join_object_range_button.set_name ("MouseModeButton");
+       join_object_range_button.get_image ()->show ();
+
+       act = ActionManager::register_radio_action (mouse_mode_actions, mouse_mode_group, "set-mouse-mode-gain", _("Gain Tool"), sigc::bind (mem_fun(*this, &Editor::mouse_mode_toggled), Editing::MouseGain));
+       act->connect_proxy (mouse_gain_button);
+       mouse_gain_button.set_image (*(manage (new Image (::get_icon("tool_gain")))));
+       mouse_gain_button.set_label ("");
+       mouse_gain_button.set_name ("MouseModeButton");
+       mouse_gain_button.get_image ()->show ();
+
+       act = ActionManager::register_radio_action (mouse_mode_actions, mouse_mode_group, "set-mouse-mode-zoom", _("Zoom Tool"), sigc::bind (sigc::mem_fun(*this, &Editor::mouse_mode_toggled), Editing::MouseZoom));
+       act->connect_proxy (mouse_zoom_button);
+       mouse_zoom_button.set_image (*(manage (new Image (::get_icon("tool_zoom")))));
+       mouse_zoom_button.set_label ("");
+       mouse_zoom_button.set_name ("MouseModeButton");
+       mouse_zoom_button.get_image ()->show ();
+
+       act = ActionManager::register_radio_action (mouse_mode_actions, mouse_mode_group, "set-mouse-mode-audition", _("Audition Tool"), sigc::bind (sigc::mem_fun(*this, &Editor::mouse_mode_toggled), Editing::MouseAudition));
+       act->connect_proxy (mouse_audition_button);
+       mouse_audition_button.set_image (*(manage (new Image (::get_icon("tool_audition")))));
+       mouse_audition_button.set_label ("");
+       mouse_audition_button.set_name ("MouseModeButton");
+       mouse_audition_button.get_image ()->show ();
+
+       act = ActionManager::register_radio_action (mouse_mode_actions, mouse_mode_group, "set-mouse-mode-timefx", _("Time FX Tool"), sigc::bind (sigc::mem_fun(*this, &Editor::mouse_mode_toggled), Editing::MouseTimeFX));
+       act->connect_proxy (mouse_timefx_button);
+       mouse_timefx_button.set_image (*(manage (new Image (::get_icon("tool_stretch")))));
+       mouse_timefx_button.set_label ("");
+       mouse_timefx_button.set_name ("MouseModeButton");
+       mouse_timefx_button.get_image ()->show ();
+
+       ActionManager::register_action (editor_actions, "step-mouse-mode", _("Step Mouse Mode"), sigc::bind (sigc::mem_fun(*this, &Editor::step_mouse_mode), true));
+
+       act = ActionManager::register_toggle_action (mouse_mode_actions, "toggle-internal-edit", _("Edit MIDI"), sigc::mem_fun(*this, &Editor::toggle_internal_editing));
+       act->connect_proxy (internal_edit_button);
+       internal_edit_button.set_image (*(manage (new Image (::get_icon("tool_note")))));
+       internal_edit_button.set_label ("");
+       internal_edit_button.set_name ("MouseModeButton");
+       internal_edit_button.get_image ()->show ();
 
-       ActionManager::register_action (editor_actions, "step-mouse-mode", _("Step Mouse Mode"), bind (mem_fun(*this, &Editor::step_mouse_mode), true));
-       
        RadioAction::Group edit_point_group;
-       ActionManager::register_radio_action (editor_actions, edit_point_group, X_("edit-at-playhead"), _("Playhead"), (bind (mem_fun(*this, &Editor::edit_point_chosen), Editing::EditAtPlayhead)));
-       ActionManager::register_radio_action (editor_actions, edit_point_group, X_("edit-at-mouse"), _("Mouse"), (bind (mem_fun(*this, &Editor::edit_point_chosen), Editing::EditAtPlayhead)));
-       ActionManager::register_radio_action (editor_actions, edit_point_group, X_("edit-at-selected-marker"), _("Marker"), (bind (mem_fun(*this, &Editor::edit_point_chosen), Editing::EditAtPlayhead)));
+       ActionManager::register_radio_action (editor_actions, edit_point_group, X_("edit-at-playhead"), _("Playhead"), (sigc::bind (sigc::mem_fun(*this, &Editor::edit_point_chosen), Editing::EditAtPlayhead)));
+       ActionManager::register_radio_action (editor_actions, edit_point_group, X_("edit-at-mouse"), _("Mouse"), (sigc::bind (sigc::mem_fun(*this, &Editor::edit_point_chosen), Editing::EditAtPlayhead)));
+       ActionManager::register_radio_action (editor_actions, edit_point_group, X_("edit-at-selected-marker"), _("Marker"), (sigc::bind (sigc::mem_fun(*this, &Editor::edit_point_chosen), Editing::EditAtPlayhead)));
 
-       ActionManager::register_action (editor_actions, "cycle-edit-point", _("Change edit point"), bind (mem_fun (*this, &Editor::cycle_edit_point), false));
-       ActionManager::register_action (editor_actions, "cycle-edit-point-with-marker", _("Change edit point (w/Marker)"), bind (mem_fun (*this, &Editor::cycle_edit_point), true));
+       ActionManager::register_action (editor_actions, "cycle-edit-point", _("Change Edit Point"), sigc::bind (sigc::mem_fun (*this, &Editor::cycle_edit_point), false));
+       ActionManager::register_action (editor_actions, "cycle-edit-point-with-marker", _("Change Edit Point Including Marker"), sigc::bind (sigc::mem_fun (*this, &Editor::cycle_edit_point), true));
        if (!Profile->get_sae()) {
-               ActionManager::register_action (editor_actions, "set-edit-splice", _("Splice"), bind (mem_fun (*this, &Editor::set_edit_mode), Splice));
+               ActionManager::register_action (editor_actions, "set-edit-splice", _("Splice"), sigc::bind (sigc::mem_fun (*this, &Editor::set_edit_mode), Splice));
        }
-       ActionManager::register_action (editor_actions, "set-edit-slide", _("Slide"), bind (mem_fun (*this, &Editor::set_edit_mode), Slide));
-       ActionManager::register_action (editor_actions, "set-edit-lock", _("Lock"), bind (mem_fun (*this, &Editor::set_edit_mode), Lock));
-       ActionManager::register_action (editor_actions, "toggle-edit-mode", _("Toggle Edit Mode"), mem_fun (*this, &Editor::cycle_edit_mode));
+       ActionManager::register_action (editor_actions, "set-edit-slide", _("Slide"), sigc::bind (sigc::mem_fun (*this, &Editor::set_edit_mode), Slide));
+       ActionManager::register_action (editor_actions, "set-edit-lock", _("Lock"), sigc::bind (sigc::mem_fun (*this, &Editor::set_edit_mode), Lock));
+       ActionManager::register_action (editor_actions, "toggle-edit-mode", _("Toggle Edit Mode"), sigc::mem_fun (*this, &Editor::cycle_edit_mode));
 
        ActionManager::register_action (editor_actions, X_("SnapTo"), _("Snap to"));
        ActionManager::register_action (editor_actions, X_("SnapMode"), _("Snap Mode"));
 
        RadioAction::Group snap_mode_group;
-       ActionManager::register_radio_action (editor_actions, snap_mode_group, X_("snap-off"), _("No Grid"), (bind (mem_fun(*this, &Editor::snap_mode_chosen), Editing::SnapOff)));
-       ActionManager::register_radio_action (editor_actions, snap_mode_group, X_("snap-normal"), _("Grid"), (bind (mem_fun(*this, &Editor::snap_mode_chosen), Editing::SnapNormal)));
-       ActionManager::register_radio_action (editor_actions, snap_mode_group, X_("snap-magnetic"), _("Magnetic"), (bind (mem_fun(*this, &Editor::snap_mode_chosen), Editing::SnapMagnetic)));
+       ActionManager::register_radio_action (editor_actions, snap_mode_group, X_("snap-off"), _("No Grid"), (sigc::bind (sigc::mem_fun(*this, &Editor::snap_mode_chosen), Editing::SnapOff)));
+       ActionManager::register_radio_action (editor_actions, snap_mode_group, X_("snap-normal"), _("Grid"), (sigc::bind (sigc::mem_fun(*this, &Editor::snap_mode_chosen), Editing::SnapNormal)));
+       ActionManager::register_radio_action (editor_actions, snap_mode_group, X_("snap-magnetic"), _("Magnetic"), (sigc::bind (sigc::mem_fun(*this, &Editor::snap_mode_chosen), Editing::SnapMagnetic)));
 
-       ActionManager::register_action (editor_actions, X_("cycle-snap-mode"), _("Next Snap Mode"), mem_fun (*this, &Editor::cycle_snap_mode));
-       ActionManager::register_action (editor_actions, X_("cycle-snap-choice"), _("Next Snap Choice"), mem_fun (*this, &Editor::cycle_snap_choice));
+       ActionManager::register_action (editor_actions, X_("cycle-snap-mode"), _("Next Snap Mode"), sigc::mem_fun (*this, &Editor::cycle_snap_mode));
+       ActionManager::register_action (editor_actions, X_("cycle-snap-choice"), _("Next Snap Choice"), sigc::mem_fun (*this, &Editor::cycle_snap_choice));
 
        Glib::RefPtr<ActionGroup> snap_actions = ActionGroup::create (X_("Snap"));
        RadioAction::Group snap_choice_group;
 
-       ActionManager::register_radio_action (snap_actions, snap_choice_group, X_("snap-to-cd-frame"), _("Snap to CD Frame"), (bind (mem_fun(*this, &Editor::snap_type_chosen), Editing::SnapToCDFrame)));
-       ActionManager::register_radio_action (snap_actions, snap_choice_group, X_("snap-to-smpte-frame"), _("Snap to SMPTE frame"), (bind (mem_fun(*this, &Editor::snap_type_chosen), Editing::SnapToSMPTEFrame)));
-       ActionManager::register_radio_action (snap_actions, snap_choice_group, X_("snap-to-smpte-seconds"), _("Snap to SMPTE seconds"), (bind (mem_fun(*this, &Editor::snap_type_chosen), Editing::SnapToSMPTESeconds)));
-       ActionManager::register_radio_action (snap_actions, snap_choice_group, X_("snap-to-smpte-minutes"), _("Snap to SMPTE minutes"), (bind (mem_fun(*this, &Editor::snap_type_chosen), Editing::SnapToSMPTEMinutes)));
-       ActionManager::register_radio_action (snap_actions, snap_choice_group, X_("snap-to-seconds"), _("Snap to Seconds"), (bind (mem_fun(*this, &Editor::snap_type_chosen), Editing::SnapToSeconds)));
-       ActionManager::register_radio_action (snap_actions, snap_choice_group, X_("snap-to-minutes"), _("Snap to Minutes"), (bind (mem_fun(*this, &Editor::snap_type_chosen), Editing::SnapToMinutes)));
-       ActionManager::register_radio_action (snap_actions, snap_choice_group, X_("snap-to-thirtyseconds"), _("Snap to Thirtyseconds"), (bind (mem_fun(*this, &Editor::snap_type_chosen), Editing::SnapToAThirtysecondBeat)));
-       ActionManager::register_radio_action (snap_actions, snap_choice_group, X_("snap-to-asixteenthbeat"), _("Snap to Asixteenthbeat"), (bind (mem_fun(*this, &Editor::snap_type_chosen), Editing::SnapToASixteenthBeat)));
-       ActionManager::register_radio_action (snap_actions, snap_choice_group, X_("snap-to-eighths"), _("Snap to Eighths"), (bind (mem_fun(*this, &Editor::snap_type_chosen), Editing::SnapToAEighthBeat)));
-       ActionManager::register_radio_action (snap_actions, snap_choice_group, X_("snap-to-quarters"), _("Snap to Quarters"), (bind (mem_fun(*this, &Editor::snap_type_chosen), Editing::SnapToAQuarterBeat)));
-       ActionManager::register_radio_action (snap_actions, snap_choice_group, X_("snap-to-thirds"), _("Snap to Thirds"), (bind (mem_fun(*this, &Editor::snap_type_chosen), Editing::SnapToAThirdBeat)));
-       ActionManager::register_radio_action (snap_actions, snap_choice_group, X_("snap-to-beat"), _("Snap to Beat"), (bind (mem_fun(*this, &Editor::snap_type_chosen), Editing::SnapToBeat)));
-       ActionManager::register_radio_action (snap_actions, snap_choice_group, X_("snap-to-bar"), _("Snap to Bar"), (bind (mem_fun(*this, &Editor::snap_type_chosen), Editing::SnapToBar)));
-       ActionManager::register_radio_action (snap_actions, snap_choice_group, X_("snap-to-mark"), _("Snap to Mark"), (bind (mem_fun(*this, &Editor::snap_type_chosen), Editing::SnapToMark)));
-       ActionManager::register_radio_action (snap_actions, snap_choice_group, X_("snap-to-region-start"), _("Snap to Region start"), (bind (mem_fun(*this, &Editor::snap_type_chosen), Editing::SnapToRegionStart)));
-       ActionManager::register_radio_action (snap_actions, snap_choice_group, X_("snap-to-region-end"), _("Snap to Region End"), (bind (mem_fun(*this, &Editor::snap_type_chosen), Editing::SnapToRegionEnd)));
-       ActionManager::register_radio_action (snap_actions, snap_choice_group, X_("snap-to-region-sync"), _("Snap to Region Sync"), (bind (mem_fun(*this, &Editor::snap_type_chosen), Editing::SnapToRegionSync)));
-       ActionManager::register_radio_action (snap_actions, snap_choice_group, X_("snap-to-region-boundary"), _("Snap to Region Boundary"), (bind (mem_fun(*this, &Editor::snap_type_chosen), Editing::SnapToRegionBoundary)));
+       ActionManager::register_radio_action (snap_actions, snap_choice_group, X_("snap-to-cd-frame"), _("Snap to CD Frame"), (sigc::bind (sigc::mem_fun(*this, &Editor::snap_type_chosen), Editing::SnapToCDFrame)));
+       ActionManager::register_radio_action (snap_actions, snap_choice_group, X_("snap-to-timecode-frame"), _("Snap to Timecode Frame"), (sigc::bind (sigc::mem_fun(*this, &Editor::snap_type_chosen), Editing::SnapToTimecodeFrame)));
+       ActionManager::register_radio_action (snap_actions, snap_choice_group, X_("snap-to-timecode-seconds"), _("Snap to Timecode Seconds"), (sigc::bind (sigc::mem_fun(*this, &Editor::snap_type_chosen), Editing::SnapToTimecodeSeconds)));
+       ActionManager::register_radio_action (snap_actions, snap_choice_group, X_("snap-to-timecode-minutes"), _("Snap to Timecode Minutes"), (sigc::bind (sigc::mem_fun(*this, &Editor::snap_type_chosen), Editing::SnapToTimecodeMinutes)));
+       ActionManager::register_radio_action (snap_actions, snap_choice_group, X_("snap-to-seconds"), _("Snap to Seconds"), (sigc::bind (sigc::mem_fun(*this, &Editor::snap_type_chosen), Editing::SnapToSeconds)));
+       ActionManager::register_radio_action (snap_actions, snap_choice_group, X_("snap-to-minutes"), _("Snap to Minutes"), (sigc::bind (sigc::mem_fun(*this, &Editor::snap_type_chosen), Editing::SnapToMinutes)));
+
+       ActionManager::register_radio_action (snap_actions, snap_choice_group, X_("snap-to-thirtyseconds"), _("Snap to Thirty Seconds"), (sigc::bind (sigc::mem_fun(*this, &Editor::snap_type_chosen), Editing::SnapToBeatDiv32)));
+       ActionManager::register_radio_action (snap_actions, snap_choice_group, X_("snap-to-twentyeighths"), _("Snap to Twenty Eighths"), (sigc::bind (sigc::mem_fun(*this, &Editor::snap_type_chosen), Editing::SnapToBeatDiv28)));
+       ActionManager::register_radio_action (snap_actions, snap_choice_group, X_("snap-to-twentyfourths"), _("Snap to Twenty Fourths"), (sigc::bind (sigc::mem_fun(*this, &Editor::snap_type_chosen), Editing::SnapToBeatDiv24)));
+       ActionManager::register_radio_action (snap_actions, snap_choice_group, X_("snap-to-twentieths"), _("Snap to Twentieths"), (sigc::bind (sigc::mem_fun(*this, &Editor::snap_type_chosen), Editing::SnapToBeatDiv20)));
+       ActionManager::register_radio_action (snap_actions, snap_choice_group, X_("snap-to-asixteenthbeat"), _("Snap to Sixteenths"), (sigc::bind (sigc::mem_fun(*this, &Editor::snap_type_chosen), Editing::SnapToBeatDiv16)));
+       ActionManager::register_radio_action (snap_actions, snap_choice_group, X_("snap-to-fourteenths"), _("Snap to Fourteenths"), (sigc::bind (sigc::mem_fun(*this, &Editor::snap_type_chosen), Editing::SnapToBeatDiv14)));
+       ActionManager::register_radio_action (snap_actions, snap_choice_group, X_("snap-to-twelfths"), _("Snap to Tweflths"), (sigc::bind (sigc::mem_fun(*this, &Editor::snap_type_chosen), Editing::SnapToBeatDiv12)));
+       ActionManager::register_radio_action (snap_actions, snap_choice_group, X_("snap-to-tenths"), _("Snap to Tenths"), (sigc::bind (sigc::mem_fun(*this, &Editor::snap_type_chosen), Editing::SnapToBeatDiv10)));
+       ActionManager::register_radio_action (snap_actions, snap_choice_group, X_("snap-to-eighths"), _("Snap to Eighths"), (sigc::bind (sigc::mem_fun(*this, &Editor::snap_type_chosen), Editing::SnapToBeatDiv8)));
+       ActionManager::register_radio_action (snap_actions, snap_choice_group, X_("snap-to-sevenths"), _("Snap to Sevenths"), (sigc::bind (sigc::mem_fun(*this, &Editor::snap_type_chosen), Editing::SnapToBeatDiv7)));
+       ActionManager::register_radio_action (snap_actions, snap_choice_group, X_("snap-to-sixths"), _("Snap to Sixths"), (sigc::bind (sigc::mem_fun(*this, &Editor::snap_type_chosen), Editing::SnapToBeatDiv6)));
+       ActionManager::register_radio_action (snap_actions, snap_choice_group, X_("snap-to-fifths"), _("Snap to Fifths"), (sigc::bind (sigc::mem_fun(*this, &Editor::snap_type_chosen), Editing::SnapToBeatDiv5)));
+       ActionManager::register_radio_action (snap_actions, snap_choice_group, X_("snap-to-quarters"), _("Snap to Quarters"), (sigc::bind (sigc::mem_fun(*this, &Editor::snap_type_chosen), Editing::SnapToBeatDiv4)));
+       ActionManager::register_radio_action (snap_actions, snap_choice_group, X_("snap-to-thirds"), _("Snap to Thirds"), (sigc::bind (sigc::mem_fun(*this, &Editor::snap_type_chosen), Editing::SnapToBeatDiv3)));
+       ActionManager::register_radio_action (snap_actions, snap_choice_group, X_("snap-to-halves"), _("Snap to Halves"), (sigc::bind (sigc::mem_fun(*this, &Editor::snap_type_chosen), Editing::SnapToBeatDiv2)));
+
+       ActionManager::register_radio_action (snap_actions, snap_choice_group, X_("snap-to-beat"), _("Snap to Beat"), (sigc::bind (sigc::mem_fun(*this, &Editor::snap_type_chosen), Editing::SnapToBeat)));
+       ActionManager::register_radio_action (snap_actions, snap_choice_group, X_("snap-to-bar"), _("Snap to Bar"), (sigc::bind (sigc::mem_fun(*this, &Editor::snap_type_chosen), Editing::SnapToBar)));
+       ActionManager::register_radio_action (snap_actions, snap_choice_group, X_("snap-to-mark"), _("Snap to Mark"), (sigc::bind (sigc::mem_fun(*this, &Editor::snap_type_chosen), Editing::SnapToMark)));
+       ActionManager::register_radio_action (snap_actions, snap_choice_group, X_("snap-to-region-start"), _("Snap to Region Start"), (sigc::bind (sigc::mem_fun(*this, &Editor::snap_type_chosen), Editing::SnapToRegionStart)));
+       ActionManager::register_radio_action (snap_actions, snap_choice_group, X_("snap-to-region-end"), _("Snap to Region End"), (sigc::bind (sigc::mem_fun(*this, &Editor::snap_type_chosen), Editing::SnapToRegionEnd)));
+       ActionManager::register_radio_action (snap_actions, snap_choice_group, X_("snap-to-region-sync"), _("Snap to Region Sync"), (sigc::bind (sigc::mem_fun(*this, &Editor::snap_type_chosen), Editing::SnapToRegionSync)));
+       ActionManager::register_radio_action (snap_actions, snap_choice_group, X_("snap-to-region-boundary"), _("Snap to Region Boundary"), (sigc::bind (sigc::mem_fun(*this, &Editor::snap_type_chosen), Editing::SnapToRegionBoundary)));
+
+       ActionManager::register_toggle_action (editor_actions, X_("show-marker-lines"), _("Show Marker Lines"), sigc::mem_fun (*this, &Editor::toggle_marker_lines));
 
        /* RULERS */
-       
+
        Glib::RefPtr<ActionGroup> ruler_actions = ActionGroup::create (X_("Rulers"));
-       ruler_tempo_action = Glib::RefPtr<ToggleAction>::cast_static (ActionManager::register_toggle_action (ruler_actions, X_("toggle-tempo-ruler"), _("Tempo"), bind (mem_fun(*this, &Editor::toggle_ruler_visibility), ruler_time_tempo)));
-       ruler_meter_action = Glib::RefPtr<ToggleAction>::cast_static (ActionManager::register_toggle_action (ruler_actions, X_("toggle-meter-ruler"), _("Meter"), bind (mem_fun(*this, &Editor::toggle_ruler_visibility), ruler_time_meter)));
-       ruler_range_action = Glib::RefPtr<ToggleAction>::cast_static (ActionManager::register_toggle_action (ruler_actions, X_("toggle-range-ruler"), _("Ranges"), bind (mem_fun(*this, &Editor::toggle_ruler_visibility), ruler_time_range_marker)));
-       ruler_marker_action = Glib::RefPtr<ToggleAction>::cast_static (ActionManager::register_toggle_action (ruler_actions, X_("toggle-marker-ruler"), _("Markers"), bind (mem_fun(*this, &Editor::toggle_ruler_visibility), ruler_time_marker)));
-       ruler_cd_marker_action = Glib::RefPtr<ToggleAction>::cast_static (ActionManager::register_toggle_action (ruler_actions, X_("toggle-cd-marker-ruler"), _("CD Markers"), bind (mem_fun(*this, &Editor::toggle_ruler_visibility), ruler_time_cd_marker)));
-       ruler_loop_punch_action = Glib::RefPtr<ToggleAction>::cast_static (ActionManager::register_toggle_action (ruler_actions, X_("toggle-loop-punch-ruler"), _("Loop/Punch"), bind (mem_fun(*this, &Editor::toggle_ruler_visibility), ruler_time_transport_marker)));
-       ruler_bbt_action = Glib::RefPtr<ToggleAction>::cast_static (ActionManager::register_toggle_action (ruler_actions, X_("toggle-bbt-ruler"), _("Bars & Beats"), bind (mem_fun(*this, &Editor::toggle_ruler_visibility), ruler_metric_frames)));
-       ruler_samples_action = Glib::RefPtr<ToggleAction>::cast_static (ActionManager::register_toggle_action (ruler_actions, X_("toggle-samples-ruler"), _("Samples"), bind (mem_fun(*this, &Editor::toggle_ruler_visibility), ruler_metric_bbt)));
-       ruler_timecode_action = Glib::RefPtr<ToggleAction>::cast_static (ActionManager::register_toggle_action (ruler_actions, X_("toggle-timecode-ruler"), _("Timecode"), bind (mem_fun(*this, &Editor::toggle_ruler_visibility), ruler_metric_smpte)));
-       ruler_minsec_action = Glib::RefPtr<ToggleAction>::cast_static (ActionManager::register_toggle_action (ruler_actions, X_("toggle-minsec-ruler"), _("Min:Sec"), bind (mem_fun(*this, &Editor::toggle_ruler_visibility), ruler_metric_minsec)));
+       ruler_tempo_action = Glib::RefPtr<ToggleAction>::cast_static (ActionManager::register_toggle_action (ruler_actions, X_("toggle-tempo-ruler"), _("Tempo"), sigc::bind (sigc::mem_fun(*this, &Editor::toggle_ruler_visibility), ruler_time_tempo)));
+       ruler_meter_action = Glib::RefPtr<ToggleAction>::cast_static (ActionManager::register_toggle_action (ruler_actions, X_("toggle-meter-ruler"), _("Meter"), sigc::bind (sigc::mem_fun(*this, &Editor::toggle_ruler_visibility), ruler_time_meter)));
+       ruler_range_action = Glib::RefPtr<ToggleAction>::cast_static (ActionManager::register_toggle_action (ruler_actions, X_("toggle-range-ruler"), _("Ranges"), sigc::bind (sigc::mem_fun(*this, &Editor::toggle_ruler_visibility), ruler_time_range_marker)));
+       ruler_marker_action = Glib::RefPtr<ToggleAction>::cast_static (ActionManager::register_toggle_action (ruler_actions, X_("toggle-marker-ruler"), _("Markers"), sigc::bind (sigc::mem_fun(*this, &Editor::toggle_ruler_visibility), ruler_time_marker)));
+       ruler_cd_marker_action = Glib::RefPtr<ToggleAction>::cast_static (ActionManager::register_toggle_action (ruler_actions, X_("toggle-cd-marker-ruler"), _("CD Markers"), sigc::bind (sigc::mem_fun(*this, &Editor::toggle_ruler_visibility), ruler_time_cd_marker)));
+       ruler_loop_punch_action = Glib::RefPtr<ToggleAction>::cast_static (ActionManager::register_toggle_action (ruler_actions, X_("toggle-loop-punch-ruler"), _("Loop/Punch"), sigc::bind (sigc::mem_fun(*this, &Editor::toggle_ruler_visibility), ruler_time_transport_marker)));
+       ruler_bbt_action = Glib::RefPtr<ToggleAction>::cast_static (ActionManager::register_toggle_action (ruler_actions, X_("toggle-bbt-ruler"), _("Bars & Beats"), sigc::bind (sigc::mem_fun(*this, &Editor::toggle_ruler_visibility), ruler_metric_bbt)));
+       ruler_samples_action = Glib::RefPtr<ToggleAction>::cast_static (ActionManager::register_toggle_action (ruler_actions, X_("toggle-samples-ruler"), _("Samples"), sigc::bind (sigc::mem_fun(*this, &Editor::toggle_ruler_visibility), ruler_metric_samples)));
+       ruler_timecode_action = Glib::RefPtr<ToggleAction>::cast_static (ActionManager::register_toggle_action (ruler_actions, X_("toggle-timecode-ruler"), _("Timecode"), sigc::bind (sigc::mem_fun(*this, &Editor::toggle_ruler_visibility), ruler_metric_timecode)));
+       ruler_minsec_action = Glib::RefPtr<ToggleAction>::cast_static (ActionManager::register_toggle_action (ruler_actions, X_("toggle-minsec-ruler"), _("Min:Sec"), sigc::bind (sigc::mem_fun(*this, &Editor::toggle_ruler_visibility), ruler_metric_minsec)));
 
        /* set defaults here */
 
@@ -770,7 +525,7 @@ Editor::register_actions ()
        }
        ruler_samples_action->set_active (false);
        no_ruler_shown_update = false;
-       
+
        /* REGION LIST */
 
        Glib::RefPtr<ActionGroup> rl_actions = ActionGroup::create (X_("RegionList"));
@@ -780,107 +535,73 @@ Editor::register_actions ()
        /* the region list popup menu */
        ActionManager::register_action (rl_actions, X_("RegionListSort"), _("Sort"));
 
-       act = ActionManager::register_action (rl_actions, X_("rlAudition"), _("Audition"), mem_fun(*this, &Editor::audition_region_from_region_list));
+       act = ActionManager::register_action (rl_actions, X_("rlAudition"), _("Audition"), sigc::mem_fun(*this, &Editor::audition_region_from_region_list));
        ActionManager::region_list_selection_sensitive_actions.push_back (act);
-       act = ActionManager::register_action (rl_actions, X_("rlHide"), _("Hide"), mem_fun(*this, &Editor::hide_region_from_region_list));
+       
+       act = ActionManager::register_action (rl_actions, X_("rlHide"), _("Hide"), sigc::mem_fun(*this, &Editor::hide_region_from_region_list));
        ActionManager::region_list_selection_sensitive_actions.push_back (act);
-       act = ActionManager::register_action (rl_actions, X_("rlRemove"), _("Remove"), mem_fun (*this, &Editor::remove_region_from_region_list));
+       
+       act = ActionManager::register_action (rl_actions, X_("rlShow"), _("Show"), sigc::mem_fun(*this, &Editor::show_region_in_region_list));
        ActionManager::region_list_selection_sensitive_actions.push_back (act);
-       ActionManager::register_toggle_action (rl_actions, X_("rlShowAll"), _("Show All"), mem_fun(*this, &Editor::toggle_full_region_list));
-       ActionManager::register_toggle_action (rl_actions, X_("rlShowAuto"), _("Show Automatic Regions"), mem_fun(*this, &Editor::toggle_show_auto_regions));
-
+       
+       ActionManager::register_toggle_action (rl_actions, X_("rlShowAll"), _("Show All"), sigc::mem_fun(*_regions, &EditorRegions::toggle_full));
+       ActionManager::register_toggle_action (rl_actions, X_("rlShowAuto"), _("Show Automatic Regions"), sigc::mem_fun (*_regions, &EditorRegions::toggle_show_auto_regions));
+       
        ActionManager::register_radio_action (rl_actions, sort_order_group, X_("SortAscending"),  _("Ascending"),
-                              bind (mem_fun(*this, &Editor::reset_region_list_sort_direction), true));
+                       sigc::bind (sigc::mem_fun (*_regions, &EditorRegions::reset_sort_direction), true));
        ActionManager::register_radio_action (rl_actions, sort_order_group, X_("SortDescending"),   _("Descending"),
-                              bind (mem_fun(*this, &Editor::reset_region_list_sort_direction), false));
-       
+                       sigc::bind (sigc::mem_fun (*_regions, &EditorRegions::reset_sort_direction), false));
+
        ActionManager::register_radio_action (rl_actions, sort_type_group, X_("SortByRegionName"),  _("By Region Name"),
-                              bind (mem_fun(*this, &Editor::reset_region_list_sort_type), ByName));
+                       sigc::bind (sigc::mem_fun (*_regions, &EditorRegions::reset_sort_type), ByName, false));
        ActionManager::register_radio_action (rl_actions, sort_type_group, X_("SortByRegionLength"),  _("By Region Length"),
-                              bind (mem_fun(*this, &Editor::reset_region_list_sort_type), ByLength));
+                       sigc::bind (sigc::mem_fun (*_regions, &EditorRegions::reset_sort_type), ByLength, false));
        ActionManager::register_radio_action (rl_actions, sort_type_group, X_("SortByRegionPosition"),  _("By Region Position"),
-                              bind (mem_fun(*this, &Editor::reset_region_list_sort_type), ByPosition));
+                       sigc::bind (sigc::mem_fun (*_regions, &EditorRegions::reset_sort_type), ByPosition, false));
        ActionManager::register_radio_action (rl_actions, sort_type_group, X_("SortByRegionTimestamp"),  _("By Region Timestamp"),
-                              bind (mem_fun(*this, &Editor::reset_region_list_sort_type), ByTimestamp));
+                       sigc::bind (sigc::mem_fun (*_regions, &EditorRegions::reset_sort_type), ByTimestamp, false));
        ActionManager::register_radio_action (rl_actions, sort_type_group, X_("SortByRegionStartinFile"),  _("By Region Start in File"),
-                              bind (mem_fun(*this, &Editor::reset_region_list_sort_type), ByStartInFile));
+                       sigc::bind (sigc::mem_fun (*_regions, &EditorRegions::reset_sort_type), ByStartInFile, false));
        ActionManager::register_radio_action (rl_actions, sort_type_group, X_("SortByRegionEndinFile"),  _("By Region End in File"),
-                              bind (mem_fun(*this, &Editor::reset_region_list_sort_type), ByEndInFile));
+                       sigc::bind (sigc::mem_fun (*_regions, &EditorRegions::reset_sort_type), ByEndInFile, false));
        ActionManager::register_radio_action (rl_actions, sort_type_group, X_("SortBySourceFileName"),  _("By Source File Name"),
-                              bind (mem_fun(*this, &Editor::reset_region_list_sort_type), BySourceFileName));
+                       sigc::bind (sigc::mem_fun (*_regions, &EditorRegions::reset_sort_type), BySourceFileName, false));
        ActionManager::register_radio_action (rl_actions, sort_type_group, X_("SortBySourceFileLength"),  _("By Source File Length"),
-                              bind (mem_fun(*this, &Editor::reset_region_list_sort_type), BySourceFileLength));
+                       sigc::bind (sigc::mem_fun (*_regions, &EditorRegions::reset_sort_type), BySourceFileLength, false));
        ActionManager::register_radio_action (rl_actions, sort_type_group, X_("SortBySourceFileCreationDate"),  _("By Source File Creation Date"),
-                              bind (mem_fun(*this, &Editor::reset_region_list_sort_type), BySourceFileCreationDate));
+                       sigc::bind (sigc::mem_fun (*_regions, &EditorRegions::reset_sort_type), BySourceFileCreationDate, false));
        ActionManager::register_radio_action (rl_actions, sort_type_group, X_("SortBySourceFilesystem"),  _("By Source Filesystem"),
-                              bind (mem_fun(*this, &Editor::reset_region_list_sort_type), BySourceFileFS));
+                       sigc::bind (sigc::mem_fun (*_regions, &EditorRegions::reset_sort_type), BySourceFileFS, false));
 
+       ActionManager::register_action (rl_actions, X_("removeUnusedRegions"), _("Delete Unused"), sigc::mem_fun(*_regions, &EditorRegions::delete_unused_regions));
 
        /* the next two are duplicate items with different names for use in two different contexts */
 
-       act = ActionManager::register_action (editor_actions, X_("addExistingAudioFiles"), _("Import"), mem_fun (*this, &Editor::external_audio_dialog));
-       ActionManager::session_sensitive_actions.push_back (act);
-       act = ActionManager::register_action (editor_actions, X_("addExternalAudioToRegionList"), _("Import to Region List"), bind (mem_fun(*this, &Editor::add_external_audio_action), ImportAsRegion));
-       ActionManager::session_sensitive_actions.push_back (act);
-       
-       ActionManager::register_action (editor_actions, X_("importFromSession"), _("Import From Session"), mem_fun(*this, &Editor::session_import_dialog));
+       act = reg_sens (editor_actions, X_("addExistingAudioFiles"), _("Import"), sigc::mem_fun (*this, &Editor::external_audio_dialog));
+       ActionManager::write_sensitive_actions.push_back (act);
 
-       act = ActionManager::register_toggle_action (editor_actions, X_("toggle-waveform-visible"), _("Show Waveforms"), mem_fun (*this, &Editor::toggle_waveform_visibility));
-       ActionManager::track_selection_sensitive_actions.push_back (act);
+       act = reg_sens (editor_actions, X_("addExternalAudioToRegionList"), _("Import to Region List..."), sigc::bind (sigc::mem_fun(*this, &Editor::add_external_audio_action), ImportAsRegion));
+       ActionManager::write_sensitive_actions.push_back (act);
 
-       ActionManager::register_toggle_action (editor_actions, X_("ToggleWaveformsWhileRecording"), _("Show Waveforms While Recording"), mem_fun (*this, &Editor::toggle_waveforms_while_recording));
-       ActionManager::register_toggle_action (editor_actions, X_("ToggleMeasureVisibility"), _("Show Measures"), mem_fun (*this, &Editor::toggle_measure_visibility));
-       
+       act = ActionManager::register_action (editor_actions, X_("importFromSession"), _("Import From Session"), sigc::mem_fun(*this, &Editor::session_import_dialog));
+       ActionManager::write_sensitive_actions.push_back (act);
 
-       RadioAction::Group waveform_scale_group;
-       act = ActionManager::register_radio_action (editor_actions, waveform_scale_group, X_("linear-waveforms"), _("Linear"), bind (mem_fun (*this, &Editor::waveform_scale_chosen), Editing::LinearWaveform));
-       ActionManager::track_selection_sensitive_actions.push_back (act);
-       act = ActionManager::register_radio_action (editor_actions, waveform_scale_group, X_("logarithmic-waveforms"), _("Logarithmic"), bind (mem_fun (*this, &Editor::waveform_scale_chosen), Editing::LogWaveform));
-       ActionManager::track_selection_sensitive_actions.push_back (act);
+       ActionManager::register_toggle_action (editor_actions, X_("ToggleSummary"), _("Show Summary"), sigc::mem_fun (*this, &Editor::set_summary));
+
+       ActionManager::register_toggle_action (editor_actions, X_("ToggleGroupTabs"), _("Show Group Tabs"), sigc::mem_fun (*this, &Editor::set_group_tabs));
+
+       ActionManager::register_toggle_action (editor_actions, X_("ToggleMeasureVisibility"), _("Show Measures"), sigc::mem_fun (*this, &Editor::toggle_measure_visibility));
 
        /* if there is a logo in the editor canvas, its always visible at startup */
 
-       act = ActionManager::register_toggle_action (editor_actions, X_("ToggleLogoVisibility"), _("Show Logo"), mem_fun (*this, &Editor::toggle_logo_visibility));
+       act = ActionManager::register_toggle_action (editor_actions, X_("ToggleLogoVisibility"), _("Show Logo"), sigc::mem_fun (*this, &Editor::toggle_logo_visibility));
        Glib::RefPtr<ToggleAction> tact = Glib::RefPtr<ToggleAction>::cast_dynamic(act);
        tact->set_active (true);
 
-       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), 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), 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), AddHigher));
+       /* MIDI */
 
-       RadioAction::Group smpte_group;
-
-       ActionManager::register_radio_action (editor_actions, smpte_group,  X_("Smpte23976"), _("23.976"), bind (mem_fun (*this, &Editor::smpte_fps_chosen), smpte_23976));
-       ActionManager::register_radio_action (editor_actions, smpte_group,  X_("Smpte24"), _("24"), bind (mem_fun (*this, &Editor::smpte_fps_chosen), smpte_24));
-       ActionManager::register_radio_action (editor_actions, smpte_group,  X_("Smpte24976"), _("24.976"), bind (mem_fun (*this, &Editor::smpte_fps_chosen), smpte_24976));
-       ActionManager::register_radio_action (editor_actions, smpte_group,  X_("Smpte25"), _("25"), bind (mem_fun (*this, &Editor::smpte_fps_chosen), smpte_25));
-       ActionManager::register_radio_action (editor_actions, smpte_group,  X_("Smpte2997"), _("29.97"), bind (mem_fun (*this, &Editor::smpte_fps_chosen), smpte_2997));
-       ActionManager::register_radio_action (editor_actions, smpte_group,  X_("Smpte2997drop"), _("29.97 drop"), bind (mem_fun (*this, &Editor::smpte_fps_chosen), smpte_2997drop));
-       ActionManager::register_radio_action (editor_actions, smpte_group,  X_("Smpte30"), _("30"), bind (mem_fun (*this, &Editor::smpte_fps_chosen), smpte_30));
-       ActionManager::register_radio_action (editor_actions, smpte_group,  X_("Smpte30drop"), _("30 drop"), bind (mem_fun (*this, &Editor::smpte_fps_chosen), smpte_30drop));
-       ActionManager::register_radio_action (editor_actions, smpte_group,  X_("Smpte5994"), _("59.94"), bind (mem_fun (*this, &Editor::smpte_fps_chosen), smpte_5994));
-       ActionManager::register_radio_action (editor_actions, smpte_group,  X_("Smpte60"), _("60"), bind (mem_fun (*this, &Editor::smpte_fps_chosen), smpte_60));
-
-       RadioAction::Group pullup_group;
-
-       ActionManager::register_radio_action (editor_actions, pullup_group,  X_("PullupPlus4Plus1"), _("+4.1667% + 0.1%"), bind (mem_fun (*this, &Editor::video_pullup_chosen), Session::pullup_Plus4Plus1));
-       ActionManager::register_radio_action (editor_actions, pullup_group,  X_("PullupPlus4"), _("+4.1667%"), bind (mem_fun (*this, &Editor::video_pullup_chosen), Session::pullup_Plus4));
-       ActionManager::register_radio_action (editor_actions, pullup_group,  X_("PullupPlus4Minus1"), _("+4.1667% - 0.1%"), bind (mem_fun (*this, &Editor::video_pullup_chosen), Session::pullup_Plus4Minus1));
-       ActionManager::register_radio_action (editor_actions, pullup_group,  X_("PullupPlus1"), _("+ 0.1%"), bind (mem_fun (*this, &Editor::video_pullup_chosen), Session::pullup_Plus1));
-       ActionManager::register_radio_action (editor_actions, pullup_group,  X_("PullupNone"), _("None"), bind (mem_fun (*this, &Editor::video_pullup_chosen), Session::pullup_None));
-       ActionManager::register_radio_action (editor_actions, pullup_group,  X_("PullupMinus1"), _("- 0.1%"), bind (mem_fun (*this, &Editor::video_pullup_chosen), Session::pullup_Minus1));
-       ActionManager::register_radio_action (editor_actions, pullup_group,  X_("PullupMinus4Plus1"), _("-4.1667% + 0.1%"), bind (mem_fun (*this, &Editor::video_pullup_chosen), Session::pullup_Minus4Plus1));
-       ActionManager::register_radio_action (editor_actions, pullup_group,  X_("PullupMinus4"), _("-4.1667%"), bind (mem_fun (*this, &Editor::video_pullup_chosen), Session::pullup_Minus4));
-       ActionManager::register_radio_action (editor_actions, pullup_group,  X_("PullupMinus4Minus1"), _("-4.1667% - 0.1%"), bind (mem_fun (*this, &Editor::video_pullup_chosen), Session::pullup_Minus4Minus1));
-
-       RadioAction::Group subframe_group;
-
-       ActionManager::register_radio_action (editor_actions, subframe_group,  X_("Subframes80"), _("80 per frame"), bind (mem_fun (*this, 
-&Editor::subframes_per_frame_chosen), 80));
-       ActionManager::register_radio_action (editor_actions, subframe_group,  X_("Subframes100"), _("100 per frame"), bind (mem_fun (*this, 
-&Editor::subframes_per_frame_chosen), 100));
+       Glib::RefPtr<ActionGroup> midi_actions = ActionGroup::create (X_("MIDI"));
+       ActionManager::register_action (midi_actions, X_("panic"), _("Panic"), sigc::mem_fun(*this, &Editor::midi_panic));
 
        ActionManager::add_action_group (rl_actions);
        ActionManager::add_action_group (ruler_actions);
@@ -888,6 +609,7 @@ Editor::register_actions ()
        ActionManager::add_action_group (mouse_mode_actions);
        ActionManager::add_action_group (snap_actions);
        ActionManager::add_action_group (editor_actions);
+       ActionManager::add_action_group (midi_actions);
 }
 
 void
@@ -900,13 +622,13 @@ Editor::toggle_ruler_visibility (RulerType rt)
        }
 
        switch (rt) {
-       case ruler_metric_smpte:
+       case ruler_metric_timecode:
                action = "toggle-timecode-ruler";
                break;
        case ruler_metric_bbt:
                action = "toggle-bbt-ruler";
                break;
-       case ruler_metric_frames:
+       case ruler_metric_samples:
                action = "toggle-samples-ruler";
                break;
        case ruler_metric_minsec:
@@ -933,6 +655,7 @@ Editor::toggle_ruler_visibility (RulerType rt)
        }
 
        Glib::RefPtr<Action> act = ActionManager::get_action (X_("Rulers"), action);
+       
        if (act) {
                Glib::RefPtr<ToggleAction> tact = Glib::RefPtr<ToggleAction>::cast_dynamic(act);
                update_ruler_visibility ();
@@ -941,275 +664,48 @@ Editor::toggle_ruler_visibility (RulerType rt)
 }
 
 void
-Editor::toggle_waveform_visibility ()
-{
-       Glib::RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("toggle-waveform-visible"));
-       if (act) {
-               Glib::RefPtr<ToggleAction> tact = Glib::RefPtr<ToggleAction>::cast_dynamic(act);
-               set_show_waveforms (tact->get_active());
-       }
-}
-
-void
-Editor::toggle_waveforms_while_recording ()
-{
-       Glib::RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("ToggleWaveformsWhileRecording"));
-       if (act) {
-               Glib::RefPtr<ToggleAction> tact = Glib::RefPtr<ToggleAction>::cast_dynamic(act);
-               set_show_waveforms_recording (tact->get_active());
-       }
-}
-
-void
-Editor::toggle_measure_visibility ()
-{
-       Glib::RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("ToggleMeasureVisibility"));
-       if (act) {
-               Glib::RefPtr<ToggleAction> tact = Glib::RefPtr<ToggleAction>::cast_dynamic(act);
-               set_show_measures (tact->get_active());
-       }
-}
-
-void
-Editor::toggle_logo_visibility ()
-{
-       Glib::RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("ToggleLogoVisibility"));
-
-       if (act) {
-               Glib::RefPtr<ToggleAction> tact = Glib::RefPtr<ToggleAction>::cast_dynamic(act);
-               if (logo_item) {
-                       if (tact->get_active()) {
-                               logo_item->show ();
-                       } else {
-                               logo_item->hide ();
-                       }
-               }
-       }
-}
-
-void
-Editor::waveform_scale_chosen (Editing::WaveformScale ws)
-{
-       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.
-       */
-
-       switch (ws) {
-       case LinearWaveform:
-               act = ActionManager::get_action (X_("Editor"), X_("linear-waveforms"));
-               break;
-       case LogWaveform:
-               act = ActionManager::get_action (X_("Editor"), X_("logarithmic-waveforms"));
-               break;
-       }
-       
-       if (act) {
-               RefPtr<RadioAction> ract = RefPtr<RadioAction>::cast_dynamic(act);
-               if (ract && ract->get_active()) {
-                       set_waveform_scale (ws);
-               }
-       }
-}
-
-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.
-       */
-
-       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->config.set_xfade_model (model);
-               }
-       }
-}
-
-void
-Editor::update_crossfade_model ()
+Editor::set_summary ()
 {
-       RefPtr<Action> act;
-
-       switch (session->config.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;
-       }
-
+       Glib::RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("ToggleSummary"));
        if (act) {
-               RefPtr<RadioAction> ract = RefPtr<RadioAction>::cast_dynamic(act);
-               if (ract && !ract->get_active()) {
-                       ract->set_active (true);
-               }
+               Glib::RefPtr<ToggleAction> tact = Glib::RefPtr<ToggleAction>::cast_dynamic (act);
+               _session->config.set_show_summary (tact->get_active ());
        }
 }
 
-
-void
-Editor::update_smpte_mode ()
-{
-       ENSURE_GUI_THREAD(mem_fun(*this, &Editor::update_smpte_mode));
-
-       RefPtr<Action> act;
-       const char* action = 0;
-
-       switch (session->config.get_smpte_format()) {
-       case smpte_23976:
-               action = X_("Smpte23976");
-               break;
-       case smpte_24:
-               action = X_("Smpte24");
-               break;
-       case smpte_24976:
-               action = X_("Smpte24976");
-               break;
-       case smpte_25:
-               action = X_("Smpte25");
-               break;
-       case smpte_2997:
-               action = X_("Smpte2997");
-               break;
-       case smpte_2997drop:
-               action = X_("Smpte2997drop");
-               break;
-       case smpte_30:
-               action = X_("Smpte30");
-               break;
-       case smpte_30drop:
-               action = X_("Smpte30drop");
-               break;
-       case smpte_5994:
-               action = X_("Smpte5994");
-               break;
-       case smpte_60:
-               action = X_("Smpte60");
-               break;
-       }
-
-       act = ActionManager::get_action (X_("Editor"), action);
-
-       if (act) {
-               RefPtr<RadioAction> ract = RefPtr<RadioAction>::cast_dynamic(act);
-               if (ract && !ract->get_active()) {
-                       ract->set_active (true);
-               }
-       }
-}
-
-void
-Editor::update_video_pullup ()
-{
-       ENSURE_GUI_THREAD (mem_fun(*this, &Editor::update_video_pullup));
-
-       RefPtr<Action> act;
-       const char* action = 0;
-
-       float pullup = Config->get_video_pullup();
-
-       if ( pullup < (-4.1667 - 0.1) * 0.99) {
-               action = X_("PullupMinus4Minus1");
-       } else if ( pullup < (-4.1667) * 0.99 ) {
-               action = X_("PullupMinus4");
-       } else if ( pullup < (-4.1667 + 0.1) * 0.99 ) {
-               action = X_("PullupMinus4Plus1");
-       } else if ( pullup < (-0.1) * 0.99 ) {
-               action = X_("PullupMinus1");
-       } else if (pullup > (4.1667 + 0.1) * 0.99 ) {
-               action = X_("PullupPlus4Plus1");
-       } else if ( pullup > (4.1667) * 0.99 ) {
-               action = X_("PullupPlus4");
-       } else if ( pullup > (4.1667 - 0.1) * 0.99) {
-               action = X_("PullupPlus4Minus1");
-       } else if ( pullup > (0.1) * 0.99 ) {
-               action = X_("PullupPlus1");
-       } else {
-               action = X_("PullupNone");
-       }
-
-       act = ActionManager::get_action (X_("Editor"), action);
-
-       if (act) {
-               RefPtr<RadioAction> ract = RefPtr<RadioAction>::cast_dynamic(act);
-               if (ract && !ract->get_active()) {
-                       ract->set_active (true);
-               }
-       }
-}
-
-void
-Editor::update_layering_model ()
-{
-       RefPtr<Action> act;
-
-       assert (session);
-
-       switch (session->config.get_layer_model()) {
-       case LaterHigher:
-               act = ActionManager::get_action (X_("Editor"), X_("LayerLaterHigher"));
-               break;
-       case MoveAddHigher:
-               act = ActionManager::get_action (X_("Editor"), X_("LayerMoveAddHigher"));
-               break;
-       case AddHigher:
-               act = ActionManager::get_action (X_("Editor"), X_("LayerAddHigher"));
-               break;
-       }
-
+void
+Editor::set_group_tabs ()
+{
+       Glib::RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("ToggleGroupTabs"));
        if (act) {
-               RefPtr<RadioAction> ract = RefPtr<RadioAction>::cast_dynamic(act);
-               if (ract && !ract->get_active()) {
-                       ract->set_active (true);
-               }
+               Glib::RefPtr<ToggleAction> tact = Glib::RefPtr<ToggleAction>::cast_dynamic (act);
+               _session->config.set_show_group_tabs (tact->get_active ());
        }
 }
 
 void
-Editor::set_layer_model (LayerModel model)
+Editor::toggle_measure_visibility ()
 {
-       /* 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.
-       */
-
-       assert (session);
+       Glib::RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("ToggleMeasureVisibility"));
+       if (act) {
+               Glib::RefPtr<ToggleAction> tact = Glib::RefPtr<ToggleAction>::cast_dynamic(act);
+               set_show_measures (tact->get_active());
+       }
+}
 
-       RefPtr<Action> act;
+void
+Editor::toggle_logo_visibility ()
+{
+       Glib::RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("ToggleLogoVisibility"));
 
-       switch (model) {
-       case LaterHigher:
-               act = ActionManager::get_action (X_("Editor"), X_("LayerLaterHigher"));
-               break;
-       case MoveAddHigher:
-               act = ActionManager::get_action (X_("Editor"), X_("LayerMoveAddHigher"));
-               break;
-       case 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->config.get_layer_model() != model) {
-                       session->config.set_layer_model (model);
+               Glib::RefPtr<ToggleAction> tact = Glib::RefPtr<ToggleAction>::cast_dynamic(act);
+               if (logo_item) {
+                       if (tact->get_active()) {
+                               logo_item->show ();
+                       } else {
+                               logo_item->hide ();
+                       }
                }
        }
 }
@@ -1217,22 +713,21 @@ Editor::set_layer_model (LayerModel model)
 RefPtr<RadioAction>
 Editor::snap_type_action (SnapType type)
 {
-
        const char* action = 0;
        RefPtr<Action> act;
-       
+
        switch (type) {
        case Editing::SnapToCDFrame:
                action = "snap-to-cd-frame";
                break;
-       case Editing::SnapToSMPTEFrame:
-               action = "snap-to-smpte-frame";
+       case Editing::SnapToTimecodeFrame:
+               action = "snap-to-timecode-frame";
                break;
-       case Editing::SnapToSMPTESeconds:
-               action = "snap-to-smpte-seconds";
+       case Editing::SnapToTimecodeSeconds:
+               action = "snap-to-timecode-seconds";
                break;
-       case Editing::SnapToSMPTEMinutes:
-               action = "snap-to-smpte-minutes";
+       case Editing::SnapToTimecodeMinutes:
+               action = "snap-to-timecode-minutes";
                break;
        case Editing::SnapToSeconds:
                action = "snap-to-seconds";
@@ -1240,21 +735,51 @@ Editor::snap_type_action (SnapType type)
        case Editing::SnapToMinutes:
                action = "snap-to-minutes";
                break;
-       case Editing::SnapToAThirtysecondBeat:
+       case Editing::SnapToBeatDiv32:
                action = "snap-to-thirtyseconds";
                break;
-       case Editing::SnapToASixteenthBeat:
+       case Editing::SnapToBeatDiv28:
+               action = "snap-to-twentyeighths";
+               break;
+       case Editing::SnapToBeatDiv24:
+               action = "snap-to-twentyfourths";
+               break;
+       case Editing::SnapToBeatDiv20:
+               action = "snap-to-twentieths";
+               break;
+       case Editing::SnapToBeatDiv16:
                action = "snap-to-asixteenthbeat";
                break;
-       case Editing::SnapToAEighthBeat:
+       case Editing::SnapToBeatDiv14:
+               action = "snap-to-fourteenths";
+               break;
+       case Editing::SnapToBeatDiv12:
+               action = "snap-to-twelfths";
+               break;
+       case Editing::SnapToBeatDiv10:
+               action = "snap-to-tenths";
+               break;
+       case Editing::SnapToBeatDiv8:
                action = "snap-to-eighths";
                break;
-       case Editing::SnapToAQuarterBeat:
+       case Editing::SnapToBeatDiv7:
+               action = "snap-to-sevenths";
+               break;
+       case Editing::SnapToBeatDiv6:
+               action = "snap-to-sixths";
+               break;
+       case Editing::SnapToBeatDiv5:
+               action = "snap-to-fifths";
+               break;
+       case Editing::SnapToBeatDiv4:
                action = "snap-to-quarters";
                break;
-       case Editing::SnapToAThirdBeat:
+       case Editing::SnapToBeatDiv3:
                action = "snap-to-thirds";
                break;
+       case Editing::SnapToBeatDiv2:
+               action = "snap-to-halves";
+               break;
        case Editing::SnapToBeat:
                action = "snap-to-beat";
                break;
@@ -1296,38 +821,68 @@ Editor::snap_type_action (SnapType type)
 void
 Editor::cycle_snap_choice()
 {
-       switch (snap_type) {
+       switch (_snap_type) {
        case Editing::SnapToCDFrame:
-               set_snap_to (Editing::SnapToSMPTEFrame);
+               set_snap_to (Editing::SnapToTimecodeFrame);
                break;
-       case Editing::SnapToSMPTEFrame:
-               set_snap_to (Editing::SnapToSMPTESeconds);
+       case Editing::SnapToTimecodeFrame:
+               set_snap_to (Editing::SnapToTimecodeSeconds);
                break;
-       case Editing::SnapToSMPTESeconds:
-               set_snap_to (Editing::SnapToSMPTEMinutes);
+       case Editing::SnapToTimecodeSeconds:
+               set_snap_to (Editing::SnapToTimecodeMinutes);
                break;
-       case Editing::SnapToSMPTEMinutes:
+       case Editing::SnapToTimecodeMinutes:
                set_snap_to (Editing::SnapToSeconds);
                break;
        case Editing::SnapToSeconds:
                set_snap_to (Editing::SnapToMinutes);
                break;
        case Editing::SnapToMinutes:
-               set_snap_to (Editing::SnapToAThirtysecondBeat);
+               set_snap_to (Editing::SnapToBeatDiv32);
+               break;
+       case Editing::SnapToBeatDiv32:
+               set_snap_to (Editing::SnapToBeatDiv28);
                break;
-       case Editing::SnapToAThirtysecondBeat:
-               set_snap_to (Editing::SnapToASixteenthBeat);
+       case Editing::SnapToBeatDiv28:
+               set_snap_to (Editing::SnapToBeatDiv24);
                break;
-       case Editing::SnapToASixteenthBeat:
-               set_snap_to (Editing::SnapToAEighthBeat);
+       case Editing::SnapToBeatDiv24:
+               set_snap_to (Editing::SnapToBeatDiv20);
                break;
-       case Editing::SnapToAEighthBeat:
-               set_snap_to (Editing::SnapToAQuarterBeat);
+       case Editing::SnapToBeatDiv20:
+               set_snap_to (Editing::SnapToBeatDiv16);
                break;
-       case Editing::SnapToAQuarterBeat:
-               set_snap_to (Editing::SnapToAThirdBeat);
+       case Editing::SnapToBeatDiv16:
+               set_snap_to (Editing::SnapToBeatDiv14);
                break;
-       case Editing::SnapToAThirdBeat:
+       case Editing::SnapToBeatDiv14:
+               set_snap_to (Editing::SnapToBeatDiv12);
+               break;
+       case Editing::SnapToBeatDiv12:
+               set_snap_to (Editing::SnapToBeatDiv10);
+               break;
+       case Editing::SnapToBeatDiv10:
+               set_snap_to (Editing::SnapToBeatDiv8);
+               break;
+       case Editing::SnapToBeatDiv8:
+               set_snap_to (Editing::SnapToBeatDiv7);
+               break;
+       case Editing::SnapToBeatDiv7:
+               set_snap_to (Editing::SnapToBeatDiv6);
+               break;
+       case Editing::SnapToBeatDiv6:
+               set_snap_to (Editing::SnapToBeatDiv5);
+               break;
+       case Editing::SnapToBeatDiv5:
+               set_snap_to (Editing::SnapToBeatDiv4);
+               break;
+       case Editing::SnapToBeatDiv4:
+               set_snap_to (Editing::SnapToBeatDiv3);
+               break;
+       case Editing::SnapToBeatDiv3:
+               set_snap_to (Editing::SnapToBeatDiv2);
+               break;
+       case Editing::SnapToBeatDiv2:
                set_snap_to (Editing::SnapToBeat);
                break;
        case Editing::SnapToBeat:
@@ -1374,7 +929,7 @@ Editor::snap_mode_action (SnapMode mode)
 {
        const char* action = 0;
        RefPtr<Action> act;
-       
+
        switch (mode) {
        case Editing::SnapOff:
                action = X_("snap-off");
@@ -1389,13 +944,13 @@ Editor::snap_mode_action (SnapMode mode)
                fatal << string_compose (_("programming error: %1: %2"), "Editor: impossible snap mode type", (int) mode) << endmsg;
                /*NOTREACHED*/
        }
-       
+
        act = ActionManager::get_action (X_("Editor"), action);
-       
+
        if (act) {
                RefPtr<RadioAction> ract = RefPtr<RadioAction>::cast_dynamic(act);
                return ract;
-               
+
        } else  {
                error << string_compose (_("programming error: %1: %2"), "Editor::snap_mode_chosen could not find action to match mode.", action) << endmsg;
                return RefPtr<RadioAction> ();
@@ -1405,7 +960,7 @@ Editor::snap_mode_action (SnapMode mode)
 void
 Editor::cycle_snap_mode ()
 {
-       switch (snap_mode) {
+       switch (_snap_mode) {
        case SnapOff:
                set_snap_mode (SnapNormal);
                break;
@@ -1438,7 +993,7 @@ Editor::edit_point_action (EditPoint ep)
 {
        const char* action = 0;
        RefPtr<Action> act;
-       
+
        switch (ep) {
        case Editing::EditAtPlayhead:
                action = X_("edit-at-playhead");
@@ -1453,13 +1008,13 @@ Editor::edit_point_action (EditPoint ep)
                fatal << string_compose (_("programming error: %1: %2"), "Editor: impossible edit point type", (int) ep) << endmsg;
                /*NOTREACHED*/
        }
-       
+
        act = ActionManager::get_action (X_("Editor"), action);
-       
+
        if (act) {
                RefPtr<RadioAction> ract = RefPtr<RadioAction>::cast_dynamic(act);
                return ract;
-               
+
        } else  {
                error << string_compose (_("programming error: %1: %2"), "Editor::edit_point_action could not find action to match edit point.", action) << endmsg;
                return RefPtr<RadioAction> ();
@@ -1487,7 +1042,7 @@ Editor::zoom_focus_action (ZoomFocus focus)
 {
        const char* action = 0;
        RefPtr<Action> act;
-       
+
        switch (focus) {
        case ZoomFocusLeft:
                action = X_("zoom-focus-left");
@@ -1511,9 +1066,9 @@ Editor::zoom_focus_action (ZoomFocus focus)
                fatal << string_compose (_("programming error: %1: %2"), "Editor: impossible focus type", (int) focus) << endmsg;
                /*NOTREACHED*/
        }
-       
+
        act = ActionManager::get_action (X_("Zoom"), action);
-       
+
        if (act) {
                RefPtr<RadioAction> ract = RefPtr<RadioAction>::cast_dynamic(act);
                return ract;
@@ -1539,244 +1094,13 @@ Editor::zoom_focus_chosen (ZoomFocus focus)
        }
 }
 
-void
-Editor::smpte_fps_chosen (SmpteFormat format)
-{
-       /* 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) {
-
-               RefPtr<Action> act;
-
-               switch (format) {
-                       case smpte_23976: 
-                               act = ActionManager::get_action (X_("Editor"), X_("Smpte23976"));
-                        break;
-                       case smpte_24: 
-                               act = ActionManager::get_action (X_("Editor"), X_("Smpte24"));
-                        break;
-                       case smpte_24976: 
-                               act = ActionManager::get_action (X_("Editor"), X_("Smpte24976"));
-                        break;
-                       case smpte_25: 
-                               act = ActionManager::get_action (X_("Editor"), X_("Smpte25"));
-                        break;
-                       case smpte_2997: 
-                               act = ActionManager::get_action (X_("Editor"), X_("Smpte2997"));
-                        break;
-                       case smpte_2997drop: 
-                               act = ActionManager::get_action (X_("Editor"), X_("Smpte2997drop"));
-                        break;
-                       case smpte_30: 
-                               act = ActionManager::get_action (X_("Editor"), X_("Smpte30"));
-                        break;
-                       case smpte_30drop: 
-                               act = ActionManager::get_action (X_("Editor"), X_("Smpte30drop"));
-                        break;
-                       case smpte_5994: 
-                               act = ActionManager::get_action (X_("Editor"), X_("Smpte5994"));
-                        break;
-                       case smpte_60: 
-                               act = ActionManager::get_action (X_("Editor"), X_("Smpte60"));
-                        break;
-                       default:
-                               cerr << "Editor received unexpected smpte type" << endl;
-               }
-
-               if (act) {
-                       RefPtr<RadioAction> ract = RefPtr<RadioAction>::cast_dynamic(act);
-                       if (ract && ract->get_active()) {
-                               session->set_smpte_format (format);
-                       }
-               }
-       }
-}
-
-void
-Editor::video_pullup_chosen (Session::PullupFormat pullup)
-{
-       /* 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.
-       */
-
-       const char* action = 0;
-
-       RefPtr<Action> act;
-       
-       float pull = 0.0;
-       
-       switch (pullup) {
-       case Session::pullup_Plus4Plus1:
-               pull = 4.1667 + 0.1;
-               action = X_("PullupPlus4Plus1");
-               break;
-       case Session::pullup_Plus4:
-               pull = 4.1667;
-               action = X_("PullupPlus4");
-               break;
-       case Session::pullup_Plus4Minus1:
-               pull = 4.1667 - 0.1;
-               action = X_("PullupPlus4Minus1");
-               break;
-       case Session::pullup_Plus1:
-               pull = 0.1;
-               action = X_("PullupPlus1");
-               break;
-       case Session::pullup_None:
-               pull = 0.0;
-               action = X_("PullupNone");
-               break;
-       case Session::pullup_Minus1:
-               pull = -0.1;
-               action = X_("PullupMinus1");
-               break;
-       case Session::pullup_Minus4Plus1:
-               pull = -4.1667 + 0.1;
-               action = X_("PullupMinus4Plus1");
-               break;
-       case Session::pullup_Minus4:
-               pull = -4.1667;
-               action = X_("PullupMinus4");
-               break;
-       case Session::pullup_Minus4Minus1:
-               pull = -4.1667 - 0.1;
-               action = X_("PullupMinus4Minus1");
-               break;
-       default:
-               fatal << string_compose (_("programming error: %1"), "Session received unexpected pullup type") << endmsg;
-               /*NOTREACHED*/
-       }
-       
-       act = ActionManager::get_action (X_("Editor"), action);
-       
-       if (act) {
-               RefPtr<RadioAction> ract = RefPtr<RadioAction>::cast_dynamic(act);
-               if (ract && ract->get_active()) {
-                       Config->set_video_pullup ( pull );
-               }
-               
-       } else  {
-               error << string_compose (_("programming error: %1"), "Editor::video_pullup_chosen could not find action to match pullup.") << endmsg;
-       }
-}
-
-void
-Editor::update_subframes_per_frame ()
-{
-       ENSURE_GUI_THREAD (mem_fun(*this, &Editor::update_subframes_per_frame));
-
-       RefPtr<Action> act;
-       const char* action = 0;
-
-       uint32_t const sfpf = session->config.get_subframes_per_frame();
-
-       if (sfpf == 80) {
-               action = X_("Subframes80");
-       } else if (sfpf == 100) {
-               action = X_("Subframes100");
-       } else {
-               warning << string_compose (_("Configuraton is using unhandled subframes per frame value: %1"), sfpf) << endmsg;
-               /*NOTREACHED*/
-               return;
-       }
-
-       act = ActionManager::get_action (X_("Editor"), action);
-
-       if (act) {
-               RefPtr<RadioAction> ract = RefPtr<RadioAction>::cast_dynamic(act);
-               if (ract && !ract->get_active()) {
-                       ract->set_active (true);
-               }
-       }
-}
-
-void
-Editor::subframes_per_frame_chosen (uint32_t sfpf)
-{
-       /* 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.
-       */
-
-       const char* action = 0;
-
-       RefPtr<Action> act;
-       
-       if (sfpf == 80) {
-               action = X_("Subframes80");
-       } else if (sfpf == 100) {       
-               action = X_("Subframes100");
-       } else {
-               fatal << string_compose (_("programming error: %1 %2"), "Session received unexpected subframes per frame value: ", sfpf) << endmsg;
-               /*NOTREACHED*/
-       }
-       
-       act = ActionManager::get_action (X_("Editor"), action);
-       
-       if (act) {
-               RefPtr<RadioAction> ract = RefPtr<RadioAction>::cast_dynamic(act);
-               if (ract && ract->get_active()) {
-                       session->config.set_subframes_per_frame ((uint32_t) rint (sfpf));
-               }
-               
-       } else  {
-               error << string_compose (_("programming error: %1"), "Editor::subframes_per_frame_chosen could not find action to match value.") << endmsg;
-       }
-}
-
-void
-Editor::toggle_region_fades ()
-{
-       ActionManager::toggle_config_state_foo ("Editor", "toggle-region-fades", mem_fun (session->config, &SessionConfiguration::set_use_region_fades), mem_fun (session->config, &SessionConfiguration::get_use_region_fades));
-}
-
-void
-Editor::toggle_region_fades_visible ()
-{
-       ActionManager::toggle_config_state_foo ("Editor", "toggle-region-fades-visible", mem_fun (session->config, &SessionConfiguration::set_show_region_fades), mem_fun (session->config, &SessionConfiguration::get_show_region_fades));
-}
-
-void
-Editor::toggle_auto_xfade ()
-{
-       ActionManager::toggle_config_state_foo ("Editor", "toggle-auto-xfades", mem_fun (session->config, &SessionConfiguration::set_auto_xfade), mem_fun (session->config, &SessionConfiguration::get_auto_xfade));
-}
-
-void
-Editor::toggle_xfades_active ()
-{
-       ActionManager::toggle_config_state_foo ("Editor", "toggle-xfades-active", mem_fun (session->config, &SessionConfiguration::set_xfades_active), mem_fun (session->config, &SessionConfiguration::get_xfades_active));
-}
-
-void
-Editor::toggle_xfade_visibility ()
-{
-       ActionManager::toggle_config_state_foo ("Editor", "toggle-xfades-visible", mem_fun (session->config, &SessionConfiguration::set_xfades_visible), mem_fun (session->config, &SessionConfiguration::get_xfades_visible));
-}
-
-void
-Editor::toggle_link_region_and_track_selection ()
-{
-       ActionManager::toggle_config_state ("Editor", "link-region-and-track-selection", &RCConfiguration::set_link_region_and_track_selection, &RCConfiguration::get_link_region_and_track_selection);
-}
-
-void
-Editor::toggle_automation_follows_regions ()
-{
-       ActionManager::toggle_config_state ("Editor", "automation-follows-regions", &RCConfiguration::set_automation_follows_regions, &RCConfiguration::get_automation_follows_regions);
-}
-
 /** A Configuration parameter has changed.
  * @param parameter_name Name of the changed parameter.
  */
 void
 Editor::parameter_changed (std::string p)
 {
-       ENSURE_GUI_THREAD (bind (mem_fun (*this, &Editor::parameter_changed), p));
+       ENSURE_GUI_THREAD (*this, &Editor::parameter_changed, p)
 
        if (p == "auto-loop") {
                update_loop_range_view (true);
@@ -1784,38 +1108,56 @@ Editor::parameter_changed (std::string p)
                update_punch_range_view (true);
        } else if (p == "punch-out") {
                update_punch_range_view (true);
-       } else if (p == "layer-model") {
-               update_layering_model ();
-       } else if (p == "smpte-format") {
-               update_smpte_mode ();
-               update_just_smpte ();
-       } else if (p == "video-pullup") {
-               update_video_pullup ();
-       } else if (p == "xfades-active") {
-               ActionManager::map_some_state ("Editor", "toggle-xfades-active", mem_fun (session->config, &SessionConfiguration::get_xfades_active));
+       } else if (p == "timecode-format") {
+               update_just_timecode ();
        } else if (p == "xfades-visible") {
-               ActionManager::map_some_state ("Editor", "toggle-xfades-visible", mem_fun (session->config, &SessionConfiguration::get_xfades_visible));
                update_xfade_visibility ();
        } else if (p == "show-region-fades") {
-               ActionManager::map_some_state ("Editor", "toggle-region-fades-visible", mem_fun (session->config, &SessionConfiguration::get_show_region_fades));
                update_region_fade_visibility ();
-       } else if (p == "use-region-fades") {
-               ActionManager::map_some_state ("Editor", "toggle-region-fades", mem_fun (session->config, &SessionConfiguration::get_use_region_fades));
-       } else if (p == "auto-xfade") {
-               ActionManager::map_some_state ("Editor", "toggle-auto-xfades", mem_fun (session->config, &SessionConfiguration::get_auto_xfade));
-       } else if (p == "xfade-model") {
-               update_crossfade_model ();
        } else if (p == "edit-mode") {
                edit_mode_selector.set_active_text (edit_mode_to_string (Config->get_edit_mode()));
        } else if (p == "subframes-per-frame") {
-               update_subframes_per_frame ();
-               update_just_smpte ();
+               update_just_timecode ();
        } else if (p == "show-track-meters") {
                toggle_meter_updating();
-       } else if (p == "link-region-and-track-selection") {
-               ActionManager::map_some_state ("Editor", "link-region-and-track-selection", &RCConfiguration::get_link_region_and_track_selection);
-       } else if (p == "automation-follows-regions") {
-               ActionManager::map_some_state ("Editor", "automation-follows-regions", &RCConfiguration::get_automation_follows_regions);
+       } else if (p == "show-summary") {
+
+               bool const s = _session->config.get_show_summary ();
+               if (s) {
+                       _summary_hbox.show ();
+               } else {
+                       _summary_hbox.hide ();
+               }
+
+               Glib::RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("ToggleSummary"));
+               if (act) {
+                       Glib::RefPtr<ToggleAction> tact = Glib::RefPtr<ToggleAction>::cast_dynamic (act);
+                       if (tact->get_active () != s) {
+                               tact->set_active (s);
+                       }
+               }
+       } else if (p == "show-group-tabs") {
+
+               bool const s = _session->config.get_show_group_tabs ();
+               if (s) {
+                       _group_tabs->show ();
+               } else {
+                       _group_tabs->hide ();
+               }
+
+                reset_controls_layout_width ();
+
+               Glib::RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("ToggleGroupTabs"));
+               if (act) {
+                       Glib::RefPtr<ToggleAction> tact = Glib::RefPtr<ToggleAction>::cast_dynamic (act);
+                       if (tact->get_active () != s) {
+                               tact->set_active (s);
+                       }
+               }
+       } else if (p == "timecode-offset" || p == "timecode-offset-negative") {
+               update_just_timecode ();
+       } else if (p == "show-zoom-tools") {
+               _zoom_tearoff->set_visible (Config->get_show_zoom_tools(), true);
        }
 }
 
@@ -1832,9 +1174,286 @@ Editor::reset_canvas_action_sensitivity (bool onoff)
                onoff = true;
        }
 
-       for (vector<Glib::RefPtr<Action> >::iterator x = ActionManager::mouse_edit_point_requires_canvas_actions.begin();  
+       for (vector<Glib::RefPtr<Action> >::iterator x = ActionManager::mouse_edit_point_requires_canvas_actions.begin();
             x != ActionManager::mouse_edit_point_requires_canvas_actions.end(); ++x) {
                (*x)->set_sensitive (onoff);
        }
 }
 
+void
+Editor::toggle_internal_editing ()
+{
+       Glib::RefPtr<Gtk::Action> act = ActionManager::get_action (X_("MouseMode"), X_("toggle-internal-edit"));
+       if (act) {
+               Glib::RefPtr<Gtk::ToggleAction> tact = Glib::RefPtr<Gtk::ToggleAction>::cast_dynamic(act);
+               set_internal_edit (tact->get_active());
+       }
+}
+
+
+void
+Editor::register_region_actions ()
+{
+       _region_actions = ActionGroup::create (X_("Region"));
+       
+       /* PART 1: actions that operate on the selection, and for which the edit point type and location is irrelevant */
+
+       /* Remove selected regions */
+       reg_sens (_region_actions, "remove-region", _("Remove"), sigc::mem_fun (*this, &Editor::remove_selected_regions));
+       
+       /* Offer dialogue box to rename the first selected region */
+       reg_sens (_region_actions, "rename-region", _("Rename..."), sigc::mem_fun (*this, &Editor::rename_region));
+       
+       /* Raise all selected regions by 1 layer */
+       reg_sens (_region_actions, "raise-region", _("Raise"), sigc::mem_fun (*this, &Editor::raise_region));
+
+       /* Raise all selected regions to the top */
+       reg_sens (_region_actions, "raise-region-to-top", _("Raise to Top"), sigc::mem_fun (*this, &Editor::raise_region_to_top));
+       
+       /* Lower all selected regions by 1 layer */
+       reg_sens (_region_actions, "lower-region", _("Lower"), sigc::mem_fun (*this, &Editor::lower_region));
+
+       /* Lower all selected regions to the bottom */
+       reg_sens (_region_actions, "lower-region-to-bottom", _("Lower to Bottom"), sigc::mem_fun (*this, &Editor::lower_region_to_bottom));
+       
+       /* Move selected regions to their original (`natural') position */
+       reg_sens (_region_actions, "naturalize-region", _("Move to Original Position"), sigc::mem_fun (*this, &Editor::naturalize_region));
+       
+       /* Toggle `locked' status of selected regions */
+       toggle_reg_sens (_region_actions, "toggle-region-lock", _("Lock"), sigc::mem_fun(*this, &Editor::toggle_region_lock));
+
+       toggle_reg_sens (
+               _region_actions,
+               "toggle-region-lock-style",
+               _("Glue to Bars and Beats"),
+               sigc::mem_fun (*this, &Editor::toggle_region_lock_style)
+               );
+       
+       /* Remove sync points from selected regions */
+       reg_sens (_region_actions, "remove-region-sync", _("Remove Sync"), sigc::mem_fun(*this, &Editor::remove_region_sync));
+       
+       /* Mute or unmute selected regions */
+       toggle_reg_sens (_region_actions, "toggle-region-mute", _("Mute"), sigc::mem_fun(*this, &Editor::toggle_region_mute));
+       
+       /* Open the normalize dialogue to operate on the selected regions */
+       reg_sens (_region_actions, "normalize-region", _("Normalize..."), sigc::mem_fun(*this, &Editor::normalize_region));
+       
+       /* Reverse selected regions */
+       reg_sens (_region_actions, "reverse-region", _("Reverse"), sigc::mem_fun (*this, &Editor::reverse_region));
+       
+       /* Split selected multi-channel regions into mono regions */
+       reg_sens (_region_actions, "split-multichannel-region", _("Make Mono Regions"), sigc::mem_fun (*this, &Editor::split_multichannel_region));
+       
+       /* Boost selected region gain */
+       reg_sens (_region_actions, "boost-region-gain", _("Boost Gain"), sigc::bind (sigc::mem_fun(*this, &Editor::adjust_region_gain), true));
+       
+       /* Cut selected region gain */
+       reg_sens (_region_actions, "cut-region-gain", _("Cut Gain"), sigc::bind (sigc::mem_fun(*this, &Editor::adjust_region_gain), false));
+       
+       /* Open the pitch shift dialogue for the selected regions */
+       reg_sens (_region_actions, "pitch-shift-region", _("Transpose"), sigc::mem_fun (*this, &Editor::pitch_shift_region));
+       
+       /* Toggle selected region opacity */
+       toggle_reg_sens (_region_actions, "toggle-opaque-region", _("Opaque"), sigc::mem_fun (*this, &Editor::toggle_opaque_region));
+       
+       /* Toggle active status of selected regions' fade in */
+       toggle_reg_sens (
+               _region_actions, "toggle-region-fade-in", _("Fade In"), sigc::bind (sigc::mem_fun (*this, &Editor::toggle_region_fades), 1)
+               );
+       
+       /* Toggle active status of selected regions' fade out */
+       toggle_reg_sens (
+               _region_actions, "toggle-region-fade-out", _("Fade Out"), sigc::bind (sigc::mem_fun(*this, &Editor::toggle_region_fades), -1)
+               );
+       
+       /* Toggle active status of selected regions' fade in and out */
+       toggle_reg_sens (
+               _region_actions, "toggle-region-fades", _("Fades"), sigc::bind (sigc::mem_fun(*this, &Editor::toggle_region_fades), 0)
+               );
+       
+       /* Open the dialogue to duplicate selected regions */
+       reg_sens (_region_actions, "duplicate-region", _("Duplicate"), sigc::bind (sigc::mem_fun (*this, &Editor::duplicate_dialog), false));
+       
+       /* Open the dialogue to duplicate selected regions multiple times */
+       reg_sens (
+               _region_actions,
+               "multi-duplicate-region",
+               _("Multi-Duplicate..."),
+               sigc::bind (sigc::mem_fun(*this, &Editor::duplicate_dialog), true)
+               );
+       
+       /* Fill tracks with selected regions */
+       reg_sens (_region_actions, "region-fill-track", _("Fill Track"), sigc::mem_fun (*this, &Editor::region_fill_track));
+       
+       /* Set up the loop range from the selected regions */
+       reg_sens (
+               _region_actions, "set-loop-from-region", _("Set Loop Range"), sigc::bind (sigc::mem_fun (*this, &Editor::set_loop_from_region), false)
+               );
+       
+       /* Set up the loop range from the selected regions, and start playback of it */
+       reg_sens (_region_actions, "loop-region", _("Loop"), sigc::bind  (sigc::mem_fun(*this, &Editor::set_loop_from_region), true));
+       
+       /* Set the punch range from the selected regions */
+       reg_sens (_region_actions, "set-punch-from-region", _("Set Punch"), sigc::mem_fun (*this, &Editor::set_punch_from_region));
+       
+       /* Add a single range marker around all selected regions */
+       reg_sens (
+               _region_actions, "add-range-marker-from-region", _("Add 1 Range Marker"), sigc::mem_fun (*this, &Editor::add_location_from_region)
+               );
+       
+       /* Add a range marker around each selected region */
+       reg_sens (
+               _region_actions, "add-range-markers-from-region", _("Add Range Marker(s)"), sigc::mem_fun (*this, &Editor::add_locations_from_region)
+               );
+
+       /* Snap selected regions to the grid */
+       reg_sens (_region_actions, "snap-regions-to-grid", _("Snap to Grid"), sigc::mem_fun (*this, &Editor::snap_regions_to_grid));
+
+       /* Close gaps in selected regions */
+       reg_sens (_region_actions, "close-region-gaps", _("Close Gaps"), sigc::mem_fun (*this, &Editor::close_region_gaps));
+
+       /* Open the Rhythm Ferret dialogue for the selected regions */
+       reg_sens (_region_actions, "show-rhythm-ferret", _("Rhythm Ferret..."), sigc::mem_fun (*this, &Editor::show_rhythm_ferret));
+
+       /* Export the first selected region */
+       reg_sens (_region_actions, "export-region", _("Export..."), sigc::mem_fun (*this, &Editor::export_region));
+
+       /* Separate under selected regions: XXX not sure what this does */
+       reg_sens (
+               _region_actions,
+               "separate-under-region",
+               _("Separate Under"),
+               sigc::mem_fun (*this, &Editor::separate_under_selected_regions)
+               );
+
+       reg_sens (_region_actions, "set-fade-in-length", _("Set Fade In Length"), sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_length), true));
+       reg_sens (_region_actions, "set-fade-out-length", _("Set Fade Out Length"), sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_length), false));
+       reg_sens (_region_actions, "set-tempo-from-region", _("Set Tempo from Region = Bar"), sigc::mem_fun (*this, &Editor::set_tempo_from_region));
+
+       reg_sens (
+               _region_actions,
+               "split-region-at-transients",
+               _("Split at Percussion Onsets"),
+               sigc::mem_fun(*this, &Editor::split_region_at_transients)
+               );
+
+       /* Open the list editor dialogue for the selected regions */
+       reg_sens (_region_actions, "show-region-list-editor", _("List Editor..."), sigc::mem_fun (*this, &Editor::show_midi_list_editor));
+
+       /* Open the region properties dialogue for the selected regions */
+       reg_sens (_region_actions, "show-region-properties", _("Properties..."), sigc::mem_fun (*this, &Editor::show_region_properties));
+
+       reg_sens (_region_actions, "play-selected-regions", _("Play"), sigc::mem_fun(*this, &Editor::play_selected_region));
+
+       reg_sens (_region_actions, "bounce-region", _("Bounce"), sigc::mem_fun (*this, &Editor::bounce_region_selection));
+
+       reg_sens (_region_actions, "analyze-region", _("Spectral Analysis..."), sigc::mem_fun (*this, &Editor::analyze_region_selection));
+
+       reg_sens (_region_actions, "reset-region-gain-envelopes", _("Reset Envelope"), sigc::mem_fun (*this, &Editor::reset_region_gain_envelopes));
+
+       reg_sens (_region_actions, "reset-region-scale-amplitude", _("Reset Gain"), sigc::mem_fun (*this, &Editor::reset_region_scale_amplitude));
+
+       toggle_reg_sens (
+               _region_actions,
+               "toggle-region-gain-envelope-visible",
+               _("Envelope Visible"),
+               sigc::mem_fun (*this, &Editor::toggle_gain_envelope_visibility)
+               );
+
+       toggle_reg_sens (
+               _region_actions,
+               "toggle-region-gain-envelope-active",
+               _("Envelope Active"),
+               sigc::mem_fun (*this, &Editor::toggle_gain_envelope_active)
+               );
+
+       reg_sens (_region_actions, "quantize-region", _("Quantize"), sigc::mem_fun (*this, &Editor::quantize_region));
+       reg_sens (_region_actions, "insert-patch-change", _("Insert Patch Change..."), sigc::mem_fun (*this, &Editor::insert_patch_change));
+       reg_sens (_region_actions, "fork-region", _("Fork"), sigc::mem_fun (*this, &Editor::fork_region));
+       reg_sens (_region_actions, "strip-region-silence", _("Strip Silence..."), sigc::mem_fun (*this, &Editor::strip_region_silence));
+       reg_sens (_region_actions, "set-selection-from-region", _("Set Range Selection"), sigc::mem_fun (*this, &Editor::set_selection_from_region));
+
+       reg_sens (_region_actions, "nudge-forward", _("Nudge Forward"), sigc::bind (sigc::mem_fun (*this, &Editor::nudge_forward), false, false));
+       reg_sens (_region_actions, "nudge-backward", _("Nudge Backward"), sigc::bind (sigc::mem_fun (*this, &Editor::nudge_backward), false, false));
+
+       reg_sens (
+               _region_actions,
+               "nudge-forward-by-capture-offset",
+               _("Nudge Forward by Capture Offset"),
+               sigc::mem_fun (*this, &Editor::nudge_forward_capture_offset)
+               );
+       
+       reg_sens (
+               _region_actions,
+               "nudge-backward-by-capture-offset",
+               _("Nudge Backward by Capture Offset"),
+               sigc::mem_fun (*this, &Editor::nudge_backward_capture_offset)
+               );
+
+       reg_sens (_region_actions, "trim-region-to-loop", _("Trim to Loop"), sigc::mem_fun (*this, &Editor::trim_region_to_loop));
+       reg_sens (_region_actions, "trim-region-to-punch", _("Trim to Punch"), sigc::mem_fun (*this, &Editor::trim_region_to_punch));
+       
+       reg_sens (_region_actions, "trim-to-previous-region", _("Trim to Previous"), sigc::mem_fun(*this, &Editor::trim_region_to_previous_region_end));
+       reg_sens (_region_actions, "trim-to-next-region", _("Trim to Next"), sigc::mem_fun(*this, &Editor::trim_region_to_next_region_start));
+
+       /* PART 2: actions that are not related to the selection, but for which the edit point type and location is important */
+
+       reg_sens (
+               _region_actions,
+               "insert-region-from-region-list",
+               _("Insert Region From Region List"),
+               sigc::bind (sigc::mem_fun (*this, &Editor::insert_region_list_selection), 1)
+               );
+
+       /* PART 3: actions that operate on the selection and also require the edit point location */
+
+       reg_sens (_region_actions, "set-region-sync-position", _("Set Sync Position"), sigc::mem_fun (*this, &Editor::set_region_sync_position));
+       reg_sens (_region_actions, "place-transient", _("Place Transient"), sigc::mem_fun (*this, &Editor::place_transient));
+       reg_sens (_region_actions, "split-region", _("Split"), sigc::mem_fun (*this, &Editor::split_region));
+       reg_sens (_region_actions, "trim-front", _("Trim Start at Edit Point"), sigc::mem_fun (*this, &Editor::trim_region_front));
+       reg_sens (_region_actions, "trim-back", _("Trim End at Edit Point"), sigc::mem_fun (*this, &Editor::trim_region_back));
+
+       reg_sens (
+               _region_actions,
+               "align-regions-start",
+               _("Align Start"),
+               sigc::bind (sigc::mem_fun(*this, &Editor::align_regions), ARDOUR::Start)
+               );
+       
+       reg_sens (
+               _region_actions,
+               "align-regions-start-relative",
+               _("Align Start Relative"),
+               sigc::bind (sigc::mem_fun (*this, &Editor::align_regions_relative), ARDOUR::Start)
+               );
+       
+       reg_sens (_region_actions, "align-regions-end", _("Align End"), sigc::bind (sigc::mem_fun (*this, &Editor::align_regions), ARDOUR::End));
+
+       reg_sens (
+               _region_actions,
+               "align-regions-end-relative",
+               _("Align End Relative"),
+               sigc::bind (sigc::mem_fun(*this, &Editor::align_regions_relative), ARDOUR::End)
+               );
+
+       reg_sens (
+               _region_actions,
+               "align-regions-sync",
+               _("Align Sync"),
+               sigc::bind (sigc::mem_fun(*this, &Editor::align_regions), ARDOUR::SyncPoint)
+               );
+       
+       reg_sens (
+               _region_actions,
+               "align-regions-sync-relative",
+               _("Align Sync Relative"),
+               sigc::bind (sigc::mem_fun (*this, &Editor::align_regions_relative), ARDOUR::SyncPoint)
+               );
+
+       Glib::RefPtr<Action> a = reg_sens (_region_actions, "choose-top-region", _("Choose Top..."), mem_fun (*this, &Editor::change_region_layering_order));
+       a->set_accel_group (get_accel_group ());
+
+       _all_region_actions_sensitized = true;
+
+       ActionManager::add_action_group (_region_actions);
+}