enough with umpteen "i18n.h" files. Consolidate on pbd/i18n.h
[ardour.git] / gtk2_ardour / editor.cc
index 98be85eab79ba76f14fd493502c471a977ef3880..4edf3a5693f5c36e6da277691542cc0c92e1f940 100644 (file)
 #include "gtkmm2ext/bindings.h"
 #include "gtkmm2ext/grouped_buttons.h"
 #include "gtkmm2ext/gtk_ui.h"
-#include "gtkmm2ext/tearoff.h"
+#include <gtkmm2ext/keyboard.h>
 #include "gtkmm2ext/utils.h"
 #include "gtkmm2ext/window_title.h"
 #include "gtkmm2ext/choice.h"
 #include "gtkmm2ext/cell_renderer_pixbuf_toggle.h"
 
+#include "ardour/analysis_graph.h"
 #include "ardour/audio_track.h"
 #include "ardour/audioengine.h"
 #include "ardour/audioregion.h"
 #include "ardour/lmath.h"
 #include "ardour/location.h"
 #include "ardour/profile.h"
+#include "ardour/route.h"
 #include "ardour/route_group.h"
 #include "ardour/session_playlists.h"
 #include "ardour/tempo.h"
 #include "ardour/utils.h"
+#include "ardour/vca_manager.h"
+#include "ardour/vca.h"
 
 #include "canvas/debug.h"
 #include "canvas/text.h"
 #include "editor_routes.h"
 #include "editor_snapshots.h"
 #include "editor_summary.h"
+#include "export_report.h"
 #include "global_port_matrix.h"
 #include "gui_object.h"
 #include "gui_thread.h"
 #include "keyboard.h"
+#include "keyeditor.h"
+#include "luainstance.h"
 #include "marker.h"
 #include "midi_region_view.h"
 #include "midi_time_axis.h"
 #include "region_layering_order_editor.h"
 #include "rgb_macros.h"
 #include "rhythm_ferret.h"
+#include "route_sorter.h"
 #include "selection.h"
+#include "simple_progress_dialog.h"
 #include "sfdb_ui.h"
 #include "tempo_lines.h"
 #include "time_axis_view.h"
 #include "timers.h"
+#include "tooltips.h"
+#include "ui_config.h"
 #include "utils.h"
+#include "vca_time_axis.h"
 #include "verbose_cursor.h"
 
-#include "i18n.h"
+#include "pbd/i18n.h"
 
 using namespace std;
 using namespace ARDOUR;
@@ -205,8 +217,8 @@ static const gchar *_zoom_focus_strings[] = {
        N_("Right"),
        N_("Center"),
        N_("Playhead"),
-       N_("Mouse"),
-       N_("Edit point"),
+       N_("Mouse"),
+       N_("Edit point"),
        0
 };
 
@@ -225,35 +237,85 @@ static const gchar *_rb_opt_strings[] = {
 
 #define COMBO_TRIANGLE_WIDTH 25 // ArdourButton _diameter (11) + 2 * arrow-padding (2*2) + 2 * text-padding (2*5)
 
-static void
-pane_size_watcher (Paned* pane)
-{
-       /* if the handle of a pane vanishes into (at least) the tabs of a notebook,
-          it is:
-
-             X: hard to access
-             Quartz: impossible to access
-             
-          so stop that by preventing it from ever getting too narrow. 35
-          pixels is basically a rough guess at the tab width.
-
-          ugh.
-       */
-
-       int max_width_of_lhs = GTK_WIDGET(pane->gobj())->allocation.width - 35;
-
-       gint pos = pane->get_position ();
-
-       if (pos > max_width_of_lhs) {
-               pane->set_position (max_width_of_lhs);
-       }
-}
-
 Editor::Editor ()
-       : _join_object_range_state (JOIN_OBJECT_RANGE_NONE)
-
+       : PublicEditor (global_hpacker)
+       , editor_mixer_strip_width (Wide)
+       , constructed (false)
+       , _playlist_selector (0)
+       , no_save_visual (false)
+       , leftmost_frame (0)
+       , samples_per_pixel (2048)
+       , zoom_focus (ZoomFocusPlayhead)
+       , mouse_mode (MouseObject)
+       , pre_internal_snap_type (SnapToBeat)
+       , pre_internal_snap_mode (SnapOff)
+       , internal_snap_type (SnapToBeat)
+       , internal_snap_mode (SnapOff)
+       , _join_object_range_state (JOIN_OBJECT_RANGE_NONE)
+       , _notebook_shrunk (false)
+       , location_marker_color (0)
+       , location_range_color (0)
+       , location_loop_color (0)
+       , location_punch_color (0)
+       , location_cd_marker_color (0)
+       , entered_marker (0)
+       , _show_marker_lines (false)
+       , clicked_axisview (0)
+       , clicked_routeview (0)
+       , clicked_regionview (0)
+       , clicked_selection (0)
+       , clicked_control_point (0)
+       , button_release_can_deselect (true)
        , _mouse_changed_selection (false)
-         /* time display buttons */
+       , region_edit_menu_split_item (0)
+       , region_edit_menu_split_multichannel_item (0)
+       , track_region_edit_playlist_menu (0)
+       , track_edit_playlist_submenu (0)
+       , track_selection_edit_playlist_submenu (0)
+       , _popup_region_menu_item (0)
+       , _track_canvas (0)
+       , _track_canvas_viewport (0)
+       , within_track_canvas (false)
+       , _verbose_cursor (0)
+       , tempo_group (0)
+       , meter_group (0)
+       , marker_group (0)
+       , range_marker_group (0)
+       , transport_marker_group (0)
+       , cd_marker_group (0)
+       , _time_markers_group (0)
+       , hv_scroll_group (0)
+       , h_scroll_group (0)
+       , cursor_scroll_group (0)
+       , no_scroll_group (0)
+       , _trackview_group (0)
+       , _drag_motion_group (0)
+       , _canvas_drop_zone (0)
+       , no_ruler_shown_update (false)
+       ,  ruler_grabbed_widget (0)
+       , ruler_dialog (0)
+       , minsec_mark_interval (0)
+       , minsec_mark_modulo (0)
+       , minsec_nmarks (0)
+       , timecode_mark_modulo (0)
+       , timecode_nmarks (0)
+       , _samples_ruler_interval (0)
+       , bbt_bars (0)
+       , bbt_nmarks (0)
+       , bbt_bar_helper_on (0)
+       , bbt_accent_modulo (0)
+       , timecode_ruler (0)
+       , bbt_ruler (0)
+       , samples_ruler (0)
+       , minsec_ruler (0)
+       , visible_timebars (0)
+       , editor_ruler_menu (0)
+       , tempo_bar (0)
+       , meter_bar (0)
+       , marker_bar (0)
+       , range_marker_bar (0)
+       , transport_marker_bar (0)
+       , cd_marker_bar (0)
        , minsec_label (_("Mins:Secs"))
        , bbt_label (_("Bars:Beats"))
        , timecode_label (_("Timecode"))
@@ -265,72 +327,142 @@ Editor::Editor ()
        , transport_mark_label (_("Loop/Punch Ranges"))
        , cd_mark_label (_("CD Markers"))
        , videotl_label (_("Video Timeline"))
+       , videotl_group (0)
+       , playhead_cursor (0)
        , edit_packer (4, 4, true)
-
-         /* the values here don't matter: layout widgets
-            reset them as needed.
-         */
-
        , vertical_adjustment (0.0, 0.0, 10.0, 400.0)
        , horizontal_adjustment (0.0, 0.0, 1e16)
        , unused_adjustment (0.0, 0.0, 10.0, 400.0)
-
        , controls_layout (unused_adjustment, vertical_adjustment)
-
-         /* tool bar related */
-
-       , toolbar_selection_clock_table (2,3)
-       , _mouse_mode_tearoff (0)
-       , automation_mode_button (_("mode"))
-       , _zoom_tearoff (0)
-       , _tools_tearoff (0)
-
-       , _toolbar_viewport (*manage (new Gtk::Adjustment (0, 0, 1e10)), *manage (new Gtk::Adjustment (0, 0, 1e10)))
+       , _scroll_callbacks (0)
+       , _visible_canvas_width (0)
+       , _visible_canvas_height (0)
+       , _full_canvas_height (0)
+       , edit_controls_left_menu (0)
+       , edit_controls_right_menu (0)
+       , last_update_frame (0)
+       , cut_buffer_start (0)
+       , cut_buffer_length (0)
+       , button_bindings (0)
+       , last_paste_pos (0)
+       , paste_count (0)
+       , sfbrowser (0)
+       , current_interthread_info (0)
+       , analysis_window (0)
+       , select_new_marker (false)
+       , last_scrub_x (0)
+       , scrubbing_direction (0)
+       , scrub_reversals (0)
+       , scrub_reverse_distance (0)
+       , have_pending_keyboard_selection (false)
+       , pending_keyboard_selection_start (0)
+       , _snap_type (SnapToBeat)
+       , _snap_mode (SnapOff)
+       , snap_threshold (5.0)
+       , ignore_gui_changes (false)
+       , _drags (new DragManager (this))
+       , lock_dialog (0)
+         /* , last_event_time { 0, 0 } */ /* this initialization style requires C++11 */
+       , _dragging_playhead (false)
+       , _dragging_edit_point (false)
+       , _show_measures (true)
+       , _follow_playhead (true)
+       , _stationary_playhead (false)
+       , _maximised (false)
+       , tempo_lines (0)
+       , global_rect_group (0)
+       , time_line_group (0)
+       , tempo_marker_menu (0)
+       , meter_marker_menu (0)
+       , marker_menu (0)
+       , range_marker_menu (0)
+       , transport_marker_menu (0)
+       , new_transport_marker_menu (0)
+       , cd_marker_menu (0)
+       , marker_menu_item (0)
+       , bbt_beat_subdivision (4)
+       , _visible_track_count (-1)
+       ,  toolbar_selection_clock_table (2,3)
+       ,  automation_mode_button (_("mode"))
+       ,  _toolbar_viewport (*manage (new Gtk::Adjustment (0, 0, 1e10)), *manage (new Gtk::Adjustment (0, 0, 1e10)))
+       , selection (new Selection (this))
+       , cut_buffer (new Selection (this))
+       , _selection_memento (new SelectionMemento())
+       , _all_region_actions_sensitized (false)
+       , _ignore_region_action (false)
+       , _last_region_menu_was_main (false)
+       , _ignore_follow_edits (false)
+       , cd_marker_bar_drag_rect (0)
+       , range_bar_drag_rect (0)
+       , transport_bar_drag_rect (0)
+       , transport_bar_range_rect (0)
+       , transport_bar_preroll_rect (0)
+       , transport_bar_postroll_rect (0)
+       , transport_loop_range_rect (0)
+       , transport_punch_range_rect (0)
+       , transport_punchin_line (0)
+       , transport_punchout_line (0)
+       , transport_preroll_rect (0)
+       , transport_postroll_rect (0)
+       , temp_location (0)
+       , rubberband_rect (0)
+       , _route_groups (0)
+       , _routes (0)
+       , _regions (0)
+       , _snapshots (0)
+       , _locations (0)
+       , autoscroll_horizontal_allowed (false)
+       , autoscroll_vertical_allowed (false)
+       , autoscroll_cnt (0)
+       , autoscroll_widget (0)
+       , show_gain_after_trim (false)
        , selection_op_cmd_depth (0)
        , selection_op_history_it (0)
-
-         /* nudge */
-
-       , nudge_clock (new AudioClock (X_("nudge"), false, X_("nudge"), true, false, true))
-       , meters_running(false)
+       , no_save_instant (false)
+       , current_timefx (0)
+       , current_mixer_strip (0)
+       , show_editor_mixer_when_tracks_arrive (false)
+       ,  nudge_clock (new AudioClock (X_("nudge"), false, X_("nudge"), true, false, true))
+       , current_stepping_trackview (0)
+       , last_track_height_step_timestamp (0)
+       , entered_track (0)
+       , entered_regionview (0)
+       , clear_entered_track (false)
+       , _edit_point (EditAtMouse)
+       , meters_running (false)
+       , rhythm_ferret (0)
+       , _have_idled (false)
+       , resize_idle_id (-1)
+       , _pending_resize_amount (0)
+       , _pending_resize_view (0)
        , _pending_locate_request (false)
        , _pending_initial_locate (false)
+       , _summary (0)
+       , _group_tabs (0)
+       , _last_motion_y (0)
+       , layering_order_editor (0)
        , _last_cut_copy_source_track (0)
-
        , _region_selection_change_updates_region_list (true)
+       , _cursors (0)
        , _following_mixer_selection (false)
        , _control_point_toggled_on_press (false)
        , _stepping_axis_view (0)
        , quantize_dialog (0)
        , _main_menu_disabler (0)
+       , myactions (X_("editor"))
 {
-       constructed = false;
-
        /* we are a singleton */
 
        PublicEditor::_instance = this;
 
        _have_idled = false;
-       
-       selection = new Selection (this);
-       cut_buffer = new Selection (this);
-       _selection_memento = new SelectionMemento ();
+
+       last_event_time.tv_sec = 0;
+       last_event_time.tv_usec = 0;
+
        selection_op_history.clear();
        before.clear();
 
-       clicked_regionview = 0;
-       clicked_axisview = 0;
-       clicked_routeview = 0;
-       clicked_control_point = 0;
-       last_update_frame = 0;
-       last_paste_pos = 0;
-       paste_count = 0;
-       _drags = new DragManager (this);
-       lock_dialog = 0;
-       ruler_dialog = 0;
-       current_mixer_strip = 0;
-       tempo_lines = 0;
-
        snap_type_strings =  I18N (_snap_type_strings);
        snap_mode_strings =  I18N (_snap_mode_strings);
        zoom_focus_strings = I18N (_zoom_focus_strings);
@@ -348,76 +480,17 @@ Editor::Editor ()
        build_snap_type_menu();
        build_edit_point_menu();
 
-       snap_threshold = 5.0;
-       bbt_beat_subdivision = 4;
-       _visible_canvas_width = 0;
-       _visible_canvas_height = 0;
-       autoscroll_horizontal_allowed = false;
-       autoscroll_vertical_allowed = false;
-       logo_item = 0;
-
-       analysis_window = 0;
-
-       current_interthread_info = 0;
-       _show_measures = true;
-       _maximised = false;
-       show_gain_after_trim = false;
-
-       have_pending_keyboard_selection = false;
-       _follow_playhead = true;
-        _stationary_playhead = false;
-       editor_ruler_menu = 0;
-       no_ruler_shown_update = false;
-       marker_menu = 0;
-       range_marker_menu = 0;
-       marker_menu_item = 0;
-       tempo_or_meter_marker_menu = 0;
-       transport_marker_menu = 0;
-       new_transport_marker_menu = 0;
-       editor_mixer_strip_width = Wide;
-       show_editor_mixer_when_tracks_arrive = false;
-       region_edit_menu_split_multichannel_item = 0;
-       region_edit_menu_split_item = 0;
-       temp_location = 0;
-       leftmost_frame = 0;
-       current_stepping_trackview = 0;
-       entered_track = 0;
-       entered_regionview = 0;
-       entered_marker = 0;
-       clear_entered_track = false;
-       current_timefx = 0;
-       playhead_cursor = 0;
-       button_release_can_deselect = true;
-       _dragging_playhead = false;
-       _dragging_edit_point = false;
-       select_new_marker = false;
-       rhythm_ferret = 0;
-       layering_order_editor = 0;
-       no_save_visual = false;
-       resize_idle_id = -1;
-       within_track_canvas = false;
-
-       scrubbing_direction = 0;
-
-       sfbrowser = 0;
-
-       location_marker_color = ARDOUR_UI::config()->color ("location marker");
-       location_range_color = ARDOUR_UI::config()->color ("location range");
-       location_cd_marker_color = ARDOUR_UI::config()->color ("location cd marker");
-       location_loop_color = ARDOUR_UI::config()->color ("location loop");
-       location_punch_color = ARDOUR_UI::config()->color ("location punch");
-
-       zoom_focus = ZoomFocusPlayhead;
-       _edit_point = EditAtMouse;
-       _visible_track_count = -1;
-
-       samples_per_pixel = 2048; /* too early to use reset_zoom () */
+       location_marker_color = UIConfiguration::instance().color ("location marker");
+       location_range_color = UIConfiguration::instance().color ("location range");
+       location_cd_marker_color = UIConfiguration::instance().color ("location cd marker");
+       location_loop_color = UIConfiguration::instance().color ("location loop");
+       location_punch_color = UIConfiguration::instance().color ("location punch");
 
        timebar_height = std::max(12., ceil (15. * ARDOUR_UI::ui_scale));
+
        TimeAxisView::setup_sizes ();
        ArdourMarker::setup_sizes (timebar_height);
-
-       _scroll_callbacks = 0;
+       TempoCurve::setup_sizes (timebar_height);
 
        bbt_label.set_name ("EditorRulerLabel");
        bbt_label.set_size_request (-1, (int)timebar_height);
@@ -529,8 +602,8 @@ Editor::Editor ()
        controls_layout.signal_scroll_event().connect (sigc::mem_fun(*this, &Editor::control_layout_scroll), false);
 
        _cursors = new MouseCursors;
-       _cursors->set_cursor_set (ARDOUR_UI::config()->get_icon_set());
-       cerr << "Set cursor set to " << ARDOUR_UI::config()->get_icon_set() << endl;
+       _cursors->set_cursor_set (UIConfiguration::instance().get_icon_set());
+       cerr << "Set cursor set to " << UIConfiguration::instance().get_icon_set() << endl;
 
        /* Push default cursor to ever-present bottom of cursor stack. */
        push_canvas_cursor(_cursors->grabber);
@@ -591,7 +664,18 @@ Editor::Editor ()
 
        _notebook_shrunk = false;
 
-       editor_summary_pane.pack1(edit_packer);
+
+       /* Pick up some settings we need to cache, early */
+
+       XMLNode* settings = ARDOUR_UI::instance()->editor_settings();
+       XMLProperty* prop;
+
+       if (settings && (prop = settings->property ("notebook-shrunk"))) {
+               _notebook_shrunk = string_is_affirmative (prop->value ());
+       }
+
+       editor_summary_pane.set_check_divider_position (true);
+       editor_summary_pane.add (edit_packer);
 
        Button* summary_arrows_left_left = manage (new Button);
        summary_arrows_left_left->add (*manage (new Arrow (ARROW_LEFT, SHADOW_NONE)));
@@ -632,22 +716,39 @@ Editor::Editor ()
        _summary_hbox.pack_start (*summary_arrows_right, false, false);
 
        if (!ARDOUR::Profile->get_trx()) {
-               editor_summary_pane.pack2 (_summary_hbox);
+               editor_summary_pane.add (_summary_hbox);
        }
 
-       edit_pane.pack1 (editor_summary_pane, true, true);
+       edit_pane.set_check_divider_position (true);
+       edit_pane.add (editor_summary_pane);
        if (!ARDOUR::Profile->get_trx()) {
-               edit_pane.pack2 (_the_notebook, false, true);
+               edit_pane.add (_the_notebook);
        }
 
-       editor_summary_pane.signal_size_allocate().connect (sigc::bind (sigc::mem_fun (*this, &Editor::pane_allocation_handler), static_cast<Paned*> (&editor_summary_pane)));
+       edit_pane.set_drag_cursor (*_cursors->expand_left_right);
+       edit_pane.set_child_minsize (_the_notebook, 30); /* rough guess at width of notebook tabs */
+       editor_summary_pane.set_drag_cursor (*_cursors->expand_up_down);
 
-       /* XXX: editor_summary_pane might need similar to the edit_pane */
+       float fract;
 
-       edit_pane.signal_size_allocate().connect (sigc::bind (sigc::mem_fun(*this, &Editor::pane_allocation_handler), static_cast<Paned*> (&edit_pane)));
+       {
+               LocaleGuard lg;
 
-       Glib::PropertyProxy<int> proxy = edit_pane.property_position();
-       proxy.signal_changed().connect (bind (sigc::ptr_fun (pane_size_watcher), static_cast<Paned*> (&edit_pane)));
+               if (!settings || ((prop = settings->property ("edit-horizontal-pane-pos")) == 0) || ((fract = atof (prop->value())) > 1.0)) {
+                       /* initial allocation is 90% to canvas, 10% to notebook */
+                       edit_pane.set_divider (0, 0.90);
+               } else {
+                       edit_pane.set_divider (0, fract);
+               }
+
+               if (!settings || ((prop = settings->property ("edit-vertical-pane-pos")) == 0) || ((fract = atof (prop->value())) > 1.0)) {
+                       /* initial allocation is 90% to canvas, 10% to summary */
+                       editor_summary_pane.set_divider (0, 0.90);
+               } else {
+
+                       editor_summary_pane.set_divider (0, fract);
+               }
+       }
 
        top_hbox.pack_start (toolbar_frame);
 
@@ -656,40 +757,20 @@ Editor::Editor ()
 
        global_vpacker.pack_start (top_hbox, false, false);
        global_vpacker.pack_start (*hbox, true, true);
-
        global_hpacker.pack_start (global_vpacker, true, true);
 
-       set_name ("EditorWindow");
-       add_accel_group (ActionManager::ui_manager->get_accel_group());
-
-       status_bar_hpacker.show ();
+       /* need to show the "contents" widget so that notebook will show if tab is switched to
+        */
 
-       vpacker.pack_end (status_bar_hpacker, false, false);
-       vpacker.pack_end (global_hpacker, true, true);
+       global_hpacker.show ();
 
        /* register actions now so that set_state() can find them and set toggles/checks etc */
 
        register_actions ();
-       /* when we start using our own keybinding system for the editor, this
-        * will be uncommented
-        */
-       // load_bindings ();
+       load_bindings ();
 
        setup_toolbar ();
 
-       set_zoom_focus (zoom_focus);
-       set_visible_track_count (_visible_track_count);
-       _snap_type = SnapToBeat;
-       set_snap_to (_snap_type);
-       _snap_mode = SnapOff;
-       set_snap_mode (_snap_mode);
-       set_mouse_mode (MouseObject, true);
-        pre_internal_snap_type = _snap_type;
-        pre_internal_snap_mode = _snap_mode;
-        internal_snap_type = _snap_type;
-        internal_snap_mode = _snap_mode;
-       set_edit_point_preference (EditAtMouse, true);
-
        _playlist_selector = new PlaylistSelector();
        _playlist_selector->signal_delete_event().connect (sigc::bind (sigc::ptr_fun (just_hide_it), static_cast<Window *> (_playlist_selector)));
 
@@ -705,41 +786,8 @@ Editor::Editor ()
 
        fade_context_menu.set_name ("ArdourContextMenu");
 
-       /* icons, titles, WM stuff */
-
-       list<Glib::RefPtr<Gdk::Pixbuf> > window_icons;
-       Glib::RefPtr<Gdk::Pixbuf> icon;
-
-       if ((icon = ::get_icon ("ardour_icon_16px")) != 0) {
-               window_icons.push_back (icon);
-       }
-       if ((icon = ::get_icon ("ardour_icon_22px")) != 0) {
-               window_icons.push_back (icon);
-       }
-       if ((icon = ::get_icon ("ardour_icon_32px")) != 0) {
-               window_icons.push_back (icon);
-       }
-       if ((icon = ::get_icon ("ardour_icon_48px")) != 0) {
-               window_icons.push_back (icon);
-       }
-       if (!window_icons.empty()) {
-               // set_icon_list (window_icons);
-               set_default_icon_list (window_icons);
-       }
-
-       WindowTitle title(Glib::get_application_name());
-       title += _("Editor");
-       set_title (title.get_string());
-       set_wmclass (X_("ardour_editor"), PROGRAM_NAME);
-
-       add (vpacker);
-       add_events (Gdk::KEY_PRESS_MASK|Gdk::KEY_RELEASE_MASK);
-
-       signal_configure_event().connect (sigc::mem_fun (*ARDOUR_UI::instance(), &ARDOUR_UI::configure_handler));
-       signal_delete_event().connect (sigc::mem_fun (*ARDOUR_UI::instance(), &ARDOUR_UI::exit_on_main_window_close));
-
        Gtkmm2ext::Keyboard::the_keyboard().ZoomVerticalModifierReleased.connect (sigc::mem_fun (*this, &Editor::zoom_vertical_modifier_released));
-       
+
        /* allow external control surfaces/protocols to do various things */
 
        ControlProtocol::ZoomToSession.connect (*this, invalidator (*this), boost::bind (&Editor::temporal_zoom_session, this), gui_context());
@@ -757,20 +805,24 @@ Editor::Editor ()
        ControlProtocol::VerticalZoomInSelected.connect (*this, invalidator (*this), boost::bind (&Editor::control_vertical_zoom_in_selected, this), gui_context());
        ControlProtocol::VerticalZoomOutSelected.connect (*this, invalidator (*this), boost::bind (&Editor::control_vertical_zoom_out_selected, this), gui_context());
 
-       ControlProtocol::AddRouteToSelection.connect (*this, invalidator (*this), boost::bind (&Editor::control_select, this, _1, Selection::Add), gui_context());
-       ControlProtocol::RemoveRouteFromSelection.connect (*this, invalidator (*this), boost::bind (&Editor::control_select, this, _1, Selection::Toggle), gui_context());
-       ControlProtocol::SetRouteSelection.connect (*this, invalidator (*this), boost::bind (&Editor::control_select, this, _1, Selection::Set), gui_context());
-       ControlProtocol::ToggleRouteSelection.connect (*this, invalidator (*this), boost::bind (&Editor::control_select, this, _1, Selection::Toggle), gui_context());
-       ControlProtocol::ClearRouteSelection.connect (*this, invalidator (*this), boost::bind (&Editor::control_unselect, this), gui_context());
+       ControlProtocol::AddStripableToSelection.connect (*this, invalidator (*this), boost::bind (&Editor::control_select, this, _1, Selection::Add), gui_context());
+       ControlProtocol::RemoveStripableFromSelection.connect (*this, invalidator (*this), boost::bind (&Editor::control_select, this, _1, Selection::Toggle), gui_context());
+       ControlProtocol::SetStripableSelection.connect (*this, invalidator (*this), boost::bind (&Editor::control_select, this, _1, Selection::Set), gui_context());
+       ControlProtocol::ToggleStripableSelection.connect (*this, invalidator (*this), boost::bind (&Editor::control_select, this, _1, Selection::Toggle), gui_context());
+       ControlProtocol::ClearStripableSelection.connect (*this, invalidator (*this), boost::bind (&Editor::control_unselect, this), gui_context());
 
        BasicUI::AccessAction.connect (*this, invalidator (*this), boost::bind (&Editor::access_action, this, _1, _2), gui_context());
 
+       /* handle escape */
+
+       ARDOUR_UI::instance()->Escape.connect (*this, invalidator (*this), boost::bind (&Editor::escape, this), gui_context());
+
        /* problematic: has to return a value and thus cannot be x-thread */
 
        Session::AskAboutPlaylistDeletion.connect_same_thread (*this, boost::bind (&Editor::playlist_deletion_dialog, this, _1));
 
        Config->ParameterChanged.connect (*this, invalidator (*this), boost::bind (&Editor::parameter_changed, this, _1), gui_context());
-       ARDOUR_UI::config()->ParameterChanged.connect (sigc::mem_fun (*this, &Editor::ui_parameter_changed));
+       UIConfiguration::instance().ParameterChanged.connect (sigc::mem_fun (*this, &Editor::ui_parameter_changed));
 
        TimeAxisView::CatchDeletion.connect (*this, invalidator (*this), boost::bind (&Editor::timeaxisview_deleted, this, _1), gui_context());
 
@@ -784,12 +836,12 @@ Editor::Editor ()
 
         /* Button bindings */
 
-        button_bindings = new Bindings;
+       button_bindings = new Bindings ("editor-mouse");
 
        XMLNode* node = button_settings();
         if (node) {
                 for (XMLNodeList::const_iterator i = node->children().begin(); i != node->children().end(); ++i) {
-                        button_bindings->load (**i);
+                        button_bindings->load_operation (**i);
                 }
         }
 
@@ -797,10 +849,13 @@ Editor::Editor ()
 
        /* grab current parameter state */
        boost::function<void (string)> pc (boost::bind (&Editor::ui_parameter_changed, this, _1));
-       ARDOUR_UI::config()->map_parameters (pc);
+       UIConfiguration::instance().map_parameters (pc);
 
        setup_fade_images ();
 
+       LuaInstance::instance(); // instantiate
+       LuaInstance::instance()->ActionChanged.connect (sigc::mem_fun (*this, &Editor::set_script_action_name));
+
        instant_save ();
 }
 
@@ -813,6 +868,16 @@ Editor::~Editor()
        delete _drags;
        delete nudge_clock;
        delete quantize_dialog;
+       delete _summary;
+       delete _group_tabs;
+       delete _regions;
+       delete _snapshots;
+       delete _locations;
+       delete _playlist_selector;
+
+       for (list<XMLNode *>::iterator i = selection_op_history.begin(); i != selection_op_history.end(); ++i) {
+               delete *i;
+       }
 }
 
 XMLNode*
@@ -828,25 +893,6 @@ Editor::button_settings () const
        return node;
 }
 
-void
-Editor::add_toplevel_menu (Container& cont)
-{
-       vpacker.pack_start (cont, false, false);
-       cont.show_all ();
-}
-
-void
-Editor::add_transport_frame (Container& cont)
-{
-       if(ARDOUR::Profile->get_mixbus()) {
-               global_vpacker.pack_start (cont, false, false);
-               global_vpacker.reorder_child (cont, 0);
-               cont.show_all ();
-       } else {
-               vpacker.pack_start (cont, false, false);
-       }
-}
-
 bool
 Editor::get_smart_mode () const
 {
@@ -916,48 +962,10 @@ Editor::set_entered_track (TimeAxisView* tav)
        }
 }
 
-void
-Editor::show_window ()
-{
-       if (!is_visible ()) {
-               DisplaySuspender ds;
-               show_all ();
-
-               /* XXX: this is a bit unfortunate; it would probably
-                  be nicer if we could just call show () above rather
-                  than needing the show_all ()
-               */
-
-               /* re-hide stuff if necessary */
-               editor_list_button_toggled ();
-               parameter_changed ("show-summary");
-               parameter_changed ("show-group-tabs");
-               parameter_changed ("show-zoom-tools");
-
-               /* now reset all audio_time_axis heights, because widgets might need
-                  to be re-hidden
-               */
-
-               TimeAxisView *tv;
-
-               for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
-                       tv = (static_cast<TimeAxisView*>(*i));
-                       tv->reset_height ();
-               }
-
-               if (current_mixer_strip) {
-                       current_mixer_strip->hide_things ();
-                       current_mixer_strip->parameter_changed ("mixer-element-visibility");
-               }
-       }
-
-       present ();
-}
-
 void
 Editor::instant_save ()
 {
-       if (!constructed || !ARDOUR_UI::instance()->session_loaded) {
+       if (!constructed || !ARDOUR_UI::instance()->session_loaded || no_save_instant) {
                return;
        }
 
@@ -1005,23 +1013,9 @@ Editor::control_unselect ()
 }
 
 void
-Editor::control_select (uint32_t rid, Selection::Operation op) 
+Editor::control_select (boost::shared_ptr<Stripable> s, Selection::Operation op)
 {
-       /* handles the (static) signal from the ControlProtocol class that
-        * requests setting the selected track to a given RID
-        */
-        
-       if (!_session) {
-               return;
-       }
-
-       boost::shared_ptr<Route> r = _session->route_by_remote_id (rid);
-
-       if (!r) {
-               return;
-       }
-
-       TimeAxisView* tav = axis_view_from_route (r);
+       TimeAxisView* tav = axis_view_from_stripable (s);
 
        if (tav) {
                switch (op) {
@@ -1146,14 +1140,11 @@ Editor::access_action (std::string action_group, std::string action_item)
 void
 Editor::on_realize ()
 {
-       Window::on_realize ();
        Realized ();
 
-       if (ARDOUR_UI::config()->get_lock_gui_after_seconds()) {
+       if (UIConfiguration::instance().get_lock_gui_after_seconds()) {
                start_lock_event_timing ();
        }
-
-       signal_event().connect (sigc::mem_fun (*this, &Editor::generic_event_handler));
 }
 
 void
@@ -1173,7 +1164,9 @@ Editor::generic_event_handler (GdkEvent* ev)
        case GDK_MOTION_NOTIFY:
        case GDK_KEY_PRESS:
        case GDK_KEY_RELEASE:
-               gettimeofday (&last_event_time, 0);
+               if (contents().is_mapped()) {
+                       gettimeofday (&last_event_time, 0);
+               }
                break;
 
        case GDK_LEAVE_NOTIFY:
@@ -1181,14 +1174,14 @@ Editor::generic_event_handler (GdkEvent* ev)
                case GDK_NOTIFY_UNKNOWN:
                case GDK_NOTIFY_INFERIOR:
                case GDK_NOTIFY_ANCESTOR:
-                       break; 
+                       break;
                case GDK_NOTIFY_VIRTUAL:
                case GDK_NOTIFY_NONLINEAR:
                case GDK_NOTIFY_NONLINEAR_VIRTUAL:
                        /* leaving window, so reset focus, thus ending any and
                           all text entry operations.
                        */
-                       reset_focus();
+                       reset_focus (&contents());
                        break;
                }
                break;
@@ -1209,7 +1202,7 @@ Editor::lock_timeout_callback ()
 
        timersub (&now, &last_event_time, &delta);
 
-       if (delta.tv_sec > (time_t) ARDOUR_UI::config()->get_lock_gui_after_seconds()) {
+       if (delta.tv_sec > (time_t) UIConfiguration::instance().get_lock_gui_after_seconds()) {
                lock ();
                /* don't call again. Returning false will effectively
                   disconnect us from the timer callback.
@@ -1270,7 +1263,11 @@ Editor::center_screen_internal (framepos_t frame, float page)
 void
 Editor::update_title ()
 {
-       ENSURE_GUI_THREAD (*this, &Editor::update_title)
+       ENSURE_GUI_THREAD (*this, &Editor::update_title);
+
+       if (!own_window()) {
+               return;
+       }
 
        if (_session) {
                bool dirty = _session->dirty();
@@ -1288,8 +1285,9 @@ Editor::update_title ()
                }
 
                WindowTitle title(session_name);
+               title += S_("Window|Editor");
                title += Glib::get_application_name();
-               set_title (title.get_string());
+               own_window()->set_title (title.get_string());
        } else {
                /* ::session_going_away() will have taken care of it */
        }
@@ -1365,9 +1363,11 @@ Editor::set_session (Session *t)
        _session->StepEditStatusChange.connect (_session_connections, invalidator (*this), boost::bind (&Editor::step_edit_status_change, this, _1), gui_context());
        _session->TransportStateChange.connect (_session_connections, invalidator (*this), boost::bind (&Editor::map_transport_state, this), gui_context());
        _session->PositionChanged.connect (_session_connections, invalidator (*this), boost::bind (&Editor::map_position_change, this, _1), gui_context());
+       _session->vca_manager().VCAAdded.connect (_session_connections, invalidator (*this), boost::bind (&Editor::add_vcas, this, _1), gui_context());
        _session->RouteAdded.connect (_session_connections, invalidator (*this), boost::bind (&Editor::add_routes, this, _1), gui_context());
        _session->DirtyChanged.connect (_session_connections, invalidator (*this), boost::bind (&Editor::update_title, this), gui_context());
        _session->tempo_map().PropertyChanged.connect (_session_connections, invalidator (*this), boost::bind (&Editor::tempo_map_changed, this, _1), gui_context());
+       _session->tempo_map().MetricPositionChanged.connect (_session_connections, invalidator (*this), boost::bind (&Editor::marker_position_changed, this), gui_context());
        _session->Located.connect (_session_connections, invalidator (*this), boost::bind (&Editor::located, this), gui_context());
        _session->config.ParameterChanged.connect (_session_connections, invalidator (*this), boost::bind (&Editor::parameter_changed, this, _1), gui_context());
        _session->StateSaved.connect (_session_connections, invalidator (*this), boost::bind (&Editor::session_state_saved, this, _1), gui_context());
@@ -1406,12 +1406,33 @@ Editor::set_session (Session *t)
                break;
        }
 
+       /* catch up on selection of stripables (other selection state is lost
+        * when a session is closed
+        */
+
+       StripableList sl;
+       TrackViewList tl;
+       _session->get_stripables (sl);
+       for (StripableList::const_iterator s = sl.begin(); s != sl.end(); ++s) {
+               if ((*s)->presentation_info().selected()) {
+                       RouteTimeAxisView* rtav = get_route_view_by_route_id ((*s)->id());
+                       if (rtav) {
+                               tl.push_back (rtav);
+                       }
+               }
+       }
+       if (!tl.empty()) {
+               selection->set (tl);
+       }
+
        /* register for undo history */
        _session->register_with_memento_command_factory(id(), this);
        _session->register_with_memento_command_factory(_selection_memento->id(), _selection_memento);
 
        ActionManager::ui_manager->signal_pre_activate().connect (sigc::mem_fun (*this, &Editor::action_pre_activated));
 
+       LuaInstance::instance()->set_session(_session);
+
        start_updating_meters ();
 }
 
@@ -1455,18 +1476,18 @@ Editor::fill_xfade_menu (Menu_Helpers::MenuList& items, bool start)
                        sigc::bind (sigc::mem_fun (*this, emf), FadeLinear)
                        )
                );
-       
+
        dynamic_cast<ImageMenuItem*>(&items.back())->set_always_show_image ();
-       
+
        items.push_back (
                ImageMenuElem (
                        _("Constant power"),
                        *(*images)[FadeConstantPower],
                        sigc::bind (sigc::mem_fun (*this, emf), FadeConstantPower)
                        ));
-       
+
        dynamic_cast<ImageMenuItem*>(&items.back())->set_always_show_image ();
-       
+
        items.push_back (
                ImageMenuElem (
                        _("Symmetric"),
@@ -1474,25 +1495,25 @@ Editor::fill_xfade_menu (Menu_Helpers::MenuList& items, bool start)
                        sigc::bind (sigc::mem_fun (*this, emf), FadeSymmetric)
                        )
                );
-       
+
        dynamic_cast<ImageMenuItem*>(&items.back())->set_always_show_image ();
-       
+
        items.push_back (
                ImageMenuElem (
                        _("Slow"),
                        *(*images)[FadeSlow],
                        sigc::bind (sigc::mem_fun (*this, emf), FadeSlow)
                        ));
-       
+
        dynamic_cast<ImageMenuItem*>(&items.back())->set_always_show_image ();
-       
+
        items.push_back (
                ImageMenuElem (
                        _("Fast"),
                        *(*images)[FadeFast],
                        sigc::bind (sigc::mem_fun (*this, emf), FadeFast)
                        ));
-       
+
        dynamic_cast<ImageMenuItem*>(&items.back())->set_always_show_image ();
 }
 
@@ -1671,7 +1692,7 @@ Editor::build_track_context_menu ()
 {
        using namespace Menu_Helpers;
 
-       MenuList& edit_items = track_context_menu.items();
+       MenuList& edit_items = track_context_menu.items();
        edit_items.clear();
 
        add_dstream_context_items (edit_items);
@@ -1683,7 +1704,7 @@ Editor::build_track_bus_context_menu ()
 {
        using namespace Menu_Helpers;
 
-       MenuList& edit_items = track_context_menu.items();
+       MenuList& edit_items = track_context_menu.items();
        edit_items.clear();
 
        add_bus_context_items (edit_items);
@@ -1720,7 +1741,103 @@ Editor::build_track_region_context_menu ()
 }
 
 void
-Editor::analyze_region_selection ()
+Editor::loudness_analyze_region_selection ()
+{
+       if (!_session) {
+               return;
+       }
+       Selection& s (PublicEditor::instance ().get_selection ());
+       RegionSelection ars = s.regions;
+       ARDOUR::AnalysisGraph ag (_session);
+       framecnt_t total_work = 0;
+
+       for (RegionSelection::iterator j = ars.begin (); j != ars.end (); ++j) {
+               AudioRegionView* arv = dynamic_cast<AudioRegionView*> (*j);
+               if (!arv) {
+                       continue;
+               }
+               if (!boost::dynamic_pointer_cast<AudioRegion> (arv->region ())) {
+                       continue;
+               }
+               assert (dynamic_cast<RouteTimeAxisView *> (&arv->get_time_axis_view ()));
+               total_work += arv->region ()->length ();
+       }
+
+       SimpleProgressDialog spd (_("Region Loudness Analysis"), sigc::mem_fun (ag, &AnalysisGraph::cancel));
+       ScopedConnection c;
+       ag.set_total_frames (total_work);
+       ag.Progress.connect_same_thread (c, boost::bind (&SimpleProgressDialog::update_progress, &spd, _1, _2));
+       spd.show();
+
+       for (RegionSelection::iterator j = ars.begin (); j != ars.end (); ++j) {
+               AudioRegionView* arv = dynamic_cast<AudioRegionView*> (*j);
+               if (!arv) {
+                       continue;
+               }
+               boost::shared_ptr<AudioRegion> ar = boost::dynamic_pointer_cast<AudioRegion> (arv->region ());
+               if (!ar) {
+                       continue;
+               }
+               ag.analyze_region (ar);
+       }
+       spd.hide();
+       if (!ag.canceled ()) {
+               ExportReport er (_("Audio Report/Analysis"), ag.results ());
+               er.run();
+       }
+}
+
+void
+Editor::loudness_analyze_range_selection ()
+{
+       if (!_session) {
+               return;
+       }
+       Selection& s (PublicEditor::instance ().get_selection ());
+       TimeSelection ts = s.time;
+       ARDOUR::AnalysisGraph ag (_session);
+       framecnt_t total_work = 0;
+
+       for (TrackSelection::iterator i = s.tracks.begin (); i != s.tracks.end (); ++i) {
+               boost::shared_ptr<AudioPlaylist> pl = boost::dynamic_pointer_cast<AudioPlaylist> ((*i)->playlist ());
+               if (!pl) {
+                       continue;
+               }
+               RouteUI *rui = dynamic_cast<RouteUI *> (*i);
+               if (!pl || !rui) {
+                       continue;
+               }
+               for (std::list<AudioRange>::iterator j = ts.begin (); j != ts.end (); ++j) {
+                       total_work += j->length ();
+               }
+       }
+
+       SimpleProgressDialog spd (_("Range Loudness Analysis"), sigc::mem_fun (ag, &AnalysisGraph::cancel));
+       ScopedConnection c;
+       ag.set_total_frames (total_work);
+       ag.Progress.connect_same_thread (c, boost::bind (&SimpleProgressDialog::update_progress, &spd, _1, _2));
+       spd.show();
+
+       for (TrackSelection::iterator i = s.tracks.begin (); i != s.tracks.end (); ++i) {
+               boost::shared_ptr<AudioPlaylist> pl = boost::dynamic_pointer_cast<AudioPlaylist> ((*i)->playlist ());
+               if (!pl) {
+                       continue;
+               }
+               RouteUI *rui = dynamic_cast<RouteUI *> (*i);
+               if (!pl || !rui) {
+                       continue;
+               }
+               ag.analyze_range (rui->route (), pl, ts);
+       }
+       spd.hide();
+       if (!ag.canceled ()) {
+               ExportReport er (_("Audio Report/Analysis"), ag.results ());
+               er.run();
+       }
+}
+
+void
+Editor::spectral_analyze_region_selection ()
 {
        if (analysis_window == 0) {
                analysis_window = new AnalysisWindow();
@@ -1738,7 +1855,7 @@ Editor::analyze_region_selection ()
 }
 
 void
-Editor::analyze_range_selection()
+Editor::spectral_analyze_range_selection()
 {
        if (analysis_window == 0) {
                analysis_window = new AnalysisWindow();
@@ -1832,7 +1949,8 @@ Editor::add_selection_context_items (Menu_Helpers::MenuList& edit_items)
        edit_items.push_back (MenuElem (_("Zoom to Range"), sigc::bind (sigc::mem_fun(*this, &Editor::temporal_zoom_selection), false)));
 
        edit_items.push_back (SeparatorElem());
-       edit_items.push_back (MenuElem (_("Spectral Analysis"), sigc::mem_fun(*this, &Editor::analyze_range_selection)));
+       edit_items.push_back (MenuElem (_("Loudness Analysis"), sigc::mem_fun(*this, &Editor::loudness_analyze_range_selection)));
+       edit_items.push_back (MenuElem (_("Spectral Analysis"), sigc::mem_fun(*this, &Editor::spectral_analyze_range_selection)));
 
        edit_items.push_back (SeparatorElem());
 
@@ -1881,14 +1999,13 @@ Editor::add_selection_context_items (Menu_Helpers::MenuList& edit_items)
 
        edit_items.push_back (SeparatorElem());
        edit_items.push_back (MenuElem (_("Crop Region to Range"), sigc::mem_fun(*this, &Editor::crop_region_to_selection)));
-       edit_items.push_back (MenuElem (_("Fill Range with Region"), sigc::mem_fun(*this, &Editor::region_fill_selection)));
        edit_items.push_back (MenuElem (_("Duplicate Range"), sigc::bind (sigc::mem_fun(*this, &Editor::duplicate_range), false)));
 
        edit_items.push_back (SeparatorElem());
        edit_items.push_back (MenuElem (_("Consolidate Range"), sigc::bind (sigc::mem_fun(*this, &Editor::bounce_range_selection), true, false)));
-       edit_items.push_back (MenuElem (_("Consolidate Range With Processing"), sigc::bind (sigc::mem_fun(*this, &Editor::bounce_range_selection), true, true)));
+       edit_items.push_back (MenuElem (_("Consolidate Range with Processing"), sigc::bind (sigc::mem_fun(*this, &Editor::bounce_range_selection), true, true)));
        edit_items.push_back (MenuElem (_("Bounce Range to Region List"), sigc::bind (sigc::mem_fun(*this, &Editor::bounce_range_selection), false, false)));
-       edit_items.push_back (MenuElem (_("Bounce Range to Region List With Processing"), sigc::bind (sigc::mem_fun(*this, &Editor::bounce_range_selection), false, true)));
+       edit_items.push_back (MenuElem (_("Bounce Range to Region List with Processing"), sigc::bind (sigc::mem_fun(*this, &Editor::bounce_range_selection), false, true)));
        edit_items.push_back (MenuElem (_("Export Range..."), sigc::mem_fun(*this, &Editor::export_selection)));
        if (ARDOUR_UI::instance()->video_timeline->get_duration() > 0) {
                edit_items.push_back (MenuElem (_("Export Video Range..."), sigc::bind (sigc::mem_fun(*(ARDOUR_UI::instance()), &ARDOUR_UI::export_video), true)));
@@ -1907,8 +2024,8 @@ Editor::add_dstream_context_items (Menu_Helpers::MenuList& edit_items)
        MenuList& play_items = play_menu->items();
        play_menu->set_name ("ArdourContextMenu");
 
-       play_items.push_back (MenuElem (_("Play From Edit Point"), sigc::mem_fun(*this, &Editor::play_from_edit_point)));
-       play_items.push_back (MenuElem (_("Play From Start"), sigc::mem_fun(*this, &Editor::play_from_start)));
+       play_items.push_back (MenuElem (_("Play from Edit Point"), sigc::mem_fun(*this, &Editor::play_from_edit_point)));
+       play_items.push_back (MenuElem (_("Play from Start"), sigc::mem_fun(*this, &Editor::play_from_start)));
        play_items.push_back (MenuElem (_("Play Region"), sigc::mem_fun(*this, &Editor::play_selected_region)));
        play_items.push_back (SeparatorElem());
        play_items.push_back (MenuElem (_("Loop Region"), sigc::bind (sigc::mem_fun (*this, &Editor::set_loop_from_region), true)));
@@ -1930,8 +2047,8 @@ Editor::add_dstream_context_items (Menu_Helpers::MenuList& edit_items)
        select_items.push_back (MenuElem (_("Set Range to Punch Range"), sigc::mem_fun(*this, &Editor::set_selection_from_punch)));
        select_items.push_back (MenuElem (_("Set Range to Selected Regions"), sigc::mem_fun(*this, &Editor::set_selection_from_region)));
        select_items.push_back (SeparatorElem());
-       select_items.push_back (MenuElem (_("Select All After Edit Point"), sigc::bind (sigc::mem_fun(*this, &Editor::select_all_selectables_using_edit), true)));
-       select_items.push_back (MenuElem (_("Select All Before Edit Point"), sigc::bind (sigc::mem_fun(*this, &Editor::select_all_selectables_using_edit), false)));
+       select_items.push_back (MenuElem (_("Select All After Edit Point"), sigc::bind (sigc::mem_fun(*this, &Editor::select_all_selectables_using_edit), true, true)));
+       select_items.push_back (MenuElem (_("Select All Before Edit Point"), sigc::bind (sigc::mem_fun(*this, &Editor::select_all_selectables_using_edit), false, true)));
        select_items.push_back (MenuElem (_("Select All After Playhead"), sigc::bind (sigc::mem_fun(*this, &Editor::select_all_selectables_using_cursor), playhead_cursor, true)));
        select_items.push_back (MenuElem (_("Select All Before Playhead"), sigc::bind (sigc::mem_fun(*this, &Editor::select_all_selectables_using_cursor), playhead_cursor, false)));
        select_items.push_back (MenuElem (_("Select All Between Playhead and Edit Point"), sigc::bind (sigc::mem_fun(*this, &Editor::select_all_selectables_between), false)));
@@ -1989,8 +2106,8 @@ Editor::add_bus_context_items (Menu_Helpers::MenuList& edit_items)
        MenuList& play_items = play_menu->items();
        play_menu->set_name ("ArdourContextMenu");
 
-       play_items.push_back (MenuElem (_("Play From Edit Point"), sigc::mem_fun(*this, &Editor::play_from_edit_point)));
-       play_items.push_back (MenuElem (_("Play From Start"), sigc::mem_fun(*this, &Editor::play_from_start)));
+       play_items.push_back (MenuElem (_("Play from Edit Point"), sigc::mem_fun(*this, &Editor::play_from_edit_point)));
+       play_items.push_back (MenuElem (_("Play from Start"), sigc::mem_fun(*this, &Editor::play_from_start)));
        edit_items.push_back (MenuElem (_("Play"), *play_menu));
 
        /* Selection */
@@ -2004,8 +2121,8 @@ Editor::add_bus_context_items (Menu_Helpers::MenuList& edit_items)
        select_items.push_back (MenuElem (_("Invert Selection in Track"), sigc::mem_fun(*this, &Editor::invert_selection_in_track)));
        select_items.push_back (MenuElem (_("Invert Selection"), sigc::mem_fun(*this, &Editor::invert_selection)));
        select_items.push_back (SeparatorElem());
-       select_items.push_back (MenuElem (_("Select All After Edit Point"), sigc::bind (sigc::mem_fun(*this, &Editor::select_all_selectables_using_edit), true)));
-       select_items.push_back (MenuElem (_("Select All Before Edit Point"), sigc::bind (sigc::mem_fun(*this, &Editor::select_all_selectables_using_edit), false)));
+       select_items.push_back (MenuElem (_("Select All After Edit Point"), sigc::bind (sigc::mem_fun(*this, &Editor::select_all_selectables_using_edit), true, true)));
+       select_items.push_back (MenuElem (_("Select All Before Edit Point"), sigc::bind (sigc::mem_fun(*this, &Editor::select_all_selectables_using_edit), false, true)));
        select_items.push_back (MenuElem (_("Select All After Playhead"), sigc::bind (sigc::mem_fun(*this, &Editor::select_all_selectables_using_cursor), playhead_cursor, true)));
        select_items.push_back (MenuElem (_("Select All Before Playhead"), sigc::bind (sigc::mem_fun(*this, &Editor::select_all_selectables_using_cursor), playhead_cursor, false)));
 
@@ -2040,6 +2157,37 @@ Editor::snap_type() const
        return _snap_type;
 }
 
+bool
+Editor::snap_musical() const
+{
+       switch (_snap_type) {
+       case SnapToBeatDiv128:
+       case SnapToBeatDiv64:
+       case SnapToBeatDiv32:
+       case SnapToBeatDiv28:
+       case SnapToBeatDiv24:
+       case SnapToBeatDiv20:
+       case SnapToBeatDiv16:
+       case SnapToBeatDiv14:
+       case SnapToBeatDiv12:
+       case SnapToBeatDiv10:
+       case SnapToBeatDiv8:
+       case SnapToBeatDiv7:
+       case SnapToBeatDiv6:
+       case SnapToBeatDiv5:
+       case SnapToBeatDiv4:
+       case SnapToBeatDiv3:
+       case SnapToBeatDiv2:
+       case SnapToBeat:
+       case SnapToBar:
+               return true;
+       default:
+               break;
+       }
+
+       return false;
+}
+
 SnapMode
 Editor::snap_mode() const
 {
@@ -2090,14 +2238,10 @@ Editor::set_snap_to (SnapType st)
        case SnapToBeatDiv4:
        case SnapToBeatDiv3:
        case SnapToBeatDiv2: {
-               ARDOUR::TempoMap::BBTPointList::const_iterator current_bbt_points_begin;
-               ARDOUR::TempoMap::BBTPointList::const_iterator current_bbt_points_end;
-               
-               compute_current_bbt_points (leftmost_frame, leftmost_frame + current_page_samples(),
-                                           current_bbt_points_begin, current_bbt_points_end);
-               compute_bbt_ruler_scale (leftmost_frame, leftmost_frame + current_page_samples(),
-                                        current_bbt_points_begin, current_bbt_points_end);
-               update_tempo_based_rulers (current_bbt_points_begin, current_bbt_points_end);
+               std::vector<TempoMap::BBTPoint> grid;
+               compute_current_bbt_points (grid, leftmost_frame, leftmost_frame + current_page_samples());
+               compute_bbt_ruler_scale (grid, leftmost_frame, leftmost_frame + current_page_samples());
+               update_tempo_based_rulers (grid);
                break;
        }
 
@@ -2191,54 +2335,14 @@ Editor::set_edit_point_preference (EditPoint ep, bool force)
 }
 
 int
-Editor::set_state (const XMLNode& node, int /*version*/)
+Editor::set_state (const XMLNode& node, int version)
 {
-       const XMLProperty* prop;
-       XMLNode* geometry;
-       int x, y;
-       Gdk::Geometry g;
-
+       XMLProperty const * prop;
        set_id (node);
+       PBD::Unwinder<bool> nsi (no_save_instant, true);
+       LocaleGuard lg;
 
-       g.base_width = default_width;
-       g.base_height = default_height;
-       x = 1;
-       y = 1;
-
-       if ((geometry = find_named_node (node, "geometry")) != 0) {
-
-               XMLProperty* prop;
-
-               if ((prop = geometry->property("x_size")) == 0) {
-                       prop = geometry->property ("x-size");
-               }
-               if (prop) {
-                       g.base_width = atoi(prop->value());
-               }
-               if ((prop = geometry->property("y_size")) == 0) {
-                       prop = geometry->property ("y-size");
-               }
-               if (prop) {
-                       g.base_height = atoi(prop->value());
-               }
-
-               if ((prop = geometry->property ("x_pos")) == 0) {
-                       prop = geometry->property ("x-pos");
-               }
-               if (prop) {
-                       x = atoi (prop->value());
-
-               }
-               if ((prop = geometry->property ("y_pos")) == 0) {
-                       prop = geometry->property ("y-pos");
-               }
-               if (prop) {
-                       y = atoi (prop->value());
-               }
-       }
-
-       set_default_size (g.base_width, g.base_height);
-       move (x, y);
+       Tabbable::set_state (node, version);
 
        if (_session && (prop = node.property ("playhead"))) {
                framepos_t pos;
@@ -2259,6 +2363,8 @@ Editor::set_state (const XMLNode& node, int /*version*/)
 
        if ((prop = node.property ("zoom-focus"))) {
                zoom_focus_selection_done ((ZoomFocus) string_2_enum (prop->value(), zoom_focus));
+       } else {
+               zoom_focus_selection_done (zoom_focus);
        }
 
        if ((prop = node.property ("zoom"))) {
@@ -2275,10 +2381,20 @@ Editor::set_state (const XMLNode& node, int /*version*/)
 
        if ((prop = node.property ("snap-to"))) {
                snap_type_selection_done ((SnapType) string_2_enum (prop->value(), _snap_type));
+               set_snap_to ((SnapType) string_2_enum (prop->value(), _snap_type));
+       } else {
+               set_snap_to (_snap_type);
        }
 
        if ((prop = node.property ("snap-mode"))) {
                snap_mode_selection_done((SnapMode) string_2_enum (prop->value(), _snap_mode));
+               /* set text of Dropdown. in case _snap_mode == SnapOff (default)
+                * snap_mode_selection_done() will only mark an already active item as active
+                * which does not trigger set_text().
+                */
+               set_snap_mode ((SnapMode) string_2_enum (prop->value(), _snap_mode));
+       } else {
+               set_snap_mode (_snap_mode);
        }
 
        if ((prop = node.property ("internal-snap-to"))) {
@@ -2331,6 +2447,8 @@ Editor::set_state (const XMLNode& node, int /*version*/)
 
        if ((prop = node.property ("edit-point"))) {
                set_edit_point_preference ((EditPoint) string_2_enum (prop->value(), _edit_point), true);
+       } else {
+               set_edit_point_preference (_edit_point);
        }
 
        if ((prop = node.property ("show-measures"))) {
@@ -2457,43 +2575,26 @@ Editor::set_state (const XMLNode& node, int /*version*/)
                }
        }
 
-       return 0;
+       return LuaInstance::instance()->set_state(node);
 }
 
 XMLNode&
 Editor::get_state ()
 {
-       XMLNode* node = new XMLNode ("Editor");
+       XMLNode* node = new XMLNode (X_("Editor"));
        char buf[32];
+       LocaleGuard lg;
 
        id().print (buf, sizeof (buf));
        node->add_property ("id", buf);
 
-       if (is_realized()) {
-               Glib::RefPtr<Gdk::Window> win = get_window();
-
-               int x, y, width, height;
-               win->get_root_origin(x, y);
-               win->get_size(width, height);
-
-               XMLNode* geometry = new XMLNode ("geometry");
-
-               snprintf(buf, sizeof(buf), "%d", width);
-               geometry->add_property("x-size", string(buf));
-               snprintf(buf, sizeof(buf), "%d", height);
-               geometry->add_property("y-size", string(buf));
-               snprintf(buf, sizeof(buf), "%d", x);
-               geometry->add_property("x-pos", string(buf));
-               snprintf(buf, sizeof(buf), "%d", y);
-               geometry->add_property("y-pos", string(buf));
-               snprintf(buf,sizeof(buf), "%d",gtk_paned_get_position (static_cast<Paned*>(&edit_pane)->gobj()));
-               geometry->add_property("edit-horizontal-pane-pos", string(buf));
-               geometry->add_property("notebook-shrunk", _notebook_shrunk ? "1" : "0");
-               snprintf(buf,sizeof(buf), "%d",gtk_paned_get_position (static_cast<Paned*>(&editor_summary_pane)->gobj()));
-               geometry->add_property("edit-vertical-pane-pos", string(buf));
+       node->add_child_nocopy (Tabbable::get_state());
 
-               node->add_child_nocopy (*geometry);
-       }
+       snprintf(buf,sizeof(buf), "%f", edit_pane.get_divider ());
+       node->add_property("edit-horizontal-pane-pos", string(buf));
+       node->add_property("notebook-shrunk", _notebook_shrunk ? "1" : "0");
+       snprintf(buf,sizeof(buf), "%f", editor_summary_pane.get_divider());
+       node->add_property("edit-vertical-pane-pos", string(buf));
 
        maybe_add_mixer_strip_width (*node);
 
@@ -2555,6 +2656,9 @@ Editor::get_state ()
        snprintf (buf, sizeof (buf), "%" PRId64, nudge_clock->current_duration());
        node->add_property ("nudge-clock-value", buf);
 
+       node->add_child_nocopy (LuaInstance::instance()->get_action_state());
+       node->add_child_nocopy (LuaInstance::instance()->get_hook_state());
+
        return *node;
 }
 
@@ -2578,9 +2682,9 @@ Editor::trackview_by_y_position (double y, bool trackview_relative_offset) const
        }
 
        for (TrackViewList::const_iterator iter = track_views.begin(); iter != track_views.end(); ++iter) {
-                       
+
                std::pair<TimeAxisView*, double> const r = (*iter)->covers_y_position (y);
-                       
+
                if (r.first) {
                        return r;
                }
@@ -2939,7 +3043,7 @@ Editor::setup_toolbar ()
        if (!ARDOUR::Profile->get_mixbus()) {
                mouse_mode_hbox->pack_start (mouse_cut_button, false, false);
        }
-       
+
        if (!ARDOUR::Profile->get_trx()) {
                mouse_mode_hbox->pack_start (mouse_timefx_button, false, false);
                mouse_mode_hbox->pack_start (mouse_audition_button, false, false);
@@ -2959,24 +3063,8 @@ Editor::setup_toolbar ()
        if (!ARDOUR::Profile->get_trx()) {
                mode_box->pack_start (edit_mode_selector, false, false);
        }
-       mode_box->pack_start (*mouse_mode_box, false, false);
 
-       _mouse_mode_tearoff = manage (new TearOff (*mode_box));
-       _mouse_mode_tearoff->set_name ("MouseModeBase");
-       _mouse_mode_tearoff->tearoff_window().signal_key_press_event().connect (sigc::bind (sigc::ptr_fun (relay_key_press), &_mouse_mode_tearoff->tearoff_window()), false);
-
-       if (Profile->get_sae() || Profile->get_mixbus() ) {
-               _mouse_mode_tearoff->set_can_be_torn_off (false);
-       }
-
-       _mouse_mode_tearoff->Detach.connect (sigc::bind (sigc::mem_fun(*this, &Editor::detach_tearoff), static_cast<Box*>(&toolbar_hbox),
-                                                        &_mouse_mode_tearoff->tearoff_window()));
-       _mouse_mode_tearoff->Attach.connect (sigc::bind (sigc::mem_fun(*this, &Editor::reattach_tearoff), static_cast<Box*> (&toolbar_hbox),
-                                                        &_mouse_mode_tearoff->tearoff_window(), 1));
-       _mouse_mode_tearoff->Hidden.connect (sigc::bind (sigc::mem_fun(*this, &Editor::detach_tearoff), static_cast<Box*>(&toolbar_hbox),
-                                                        &_mouse_mode_tearoff->tearoff_window()));
-       _mouse_mode_tearoff->Visible.connect (sigc::bind (sigc::mem_fun(*this, &Editor::reattach_tearoff), static_cast<Box*> (&toolbar_hbox),
-                                                         &_mouse_mode_tearoff->tearoff_window(), 1));
+       mode_box->pack_start (*mouse_mode_box, false, false);
 
        /* Zoom */
 
@@ -3048,23 +3136,6 @@ Editor::setup_toolbar ()
                _zoom_box.pack_start (tav_expand_button);
        }
 
-       if (!ARDOUR::Profile->get_trx()) {
-               _zoom_tearoff = manage (new TearOff (_zoom_box));
-               
-               _zoom_tearoff->Detach.connect (sigc::bind (sigc::mem_fun(*this, &Editor::detach_tearoff), static_cast<Box*>(&toolbar_hbox),
-                                                          &_zoom_tearoff->tearoff_window()));
-               _zoom_tearoff->Attach.connect (sigc::bind (sigc::mem_fun(*this, &Editor::reattach_tearoff), static_cast<Box*> (&toolbar_hbox),
-                                                          &_zoom_tearoff->tearoff_window(), 0));
-               _zoom_tearoff->Hidden.connect (sigc::bind (sigc::mem_fun(*this, &Editor::detach_tearoff), static_cast<Box*>(&toolbar_hbox),
-                                                          &_zoom_tearoff->tearoff_window()));
-               _zoom_tearoff->Visible.connect (sigc::bind (sigc::mem_fun(*this, &Editor::reattach_tearoff), static_cast<Box*> (&toolbar_hbox),
-                                                           &_zoom_tearoff->tearoff_window(), 0));
-       } 
-
-       if (Profile->get_sae() || Profile->get_mixbus() ) {
-               _zoom_tearoff->set_can_be_torn_off (false);
-       }
-
        snap_box.set_spacing (2);
        snap_box.set_border_width (2);
 
@@ -3097,37 +3168,19 @@ Editor::setup_toolbar ()
        HBox* hbox = manage (new HBox);
        hbox->set_spacing(2);
 
-       _tools_tearoff = manage (new TearOff (*hbox));
-       _tools_tearoff->set_name ("MouseModeBase");
-       _tools_tearoff->tearoff_window().signal_key_press_event().connect (sigc::bind (sigc::ptr_fun (relay_key_press), &_tools_tearoff->tearoff_window()), false);
-
-       if (Profile->get_sae() || Profile->get_mixbus()) {
-               _tools_tearoff->set_can_be_torn_off (false);
-       }
-
-       _tools_tearoff->Detach.connect (sigc::bind (sigc::mem_fun(*this, &Editor::detach_tearoff), static_cast<Box*>(&toolbar_hbox),
-                                                   &_tools_tearoff->tearoff_window()));
-       _tools_tearoff->Attach.connect (sigc::bind (sigc::mem_fun(*this, &Editor::reattach_tearoff), static_cast<Box*> (&toolbar_hbox),
-                                                   &_tools_tearoff->tearoff_window(), 0));
-       _tools_tearoff->Hidden.connect (sigc::bind (sigc::mem_fun(*this, &Editor::detach_tearoff), static_cast<Box*>(&toolbar_hbox),
-                                                   &_tools_tearoff->tearoff_window()));
-       _tools_tearoff->Visible.connect (sigc::bind (sigc::mem_fun(*this, &Editor::reattach_tearoff), static_cast<Box*> (&toolbar_hbox),
-                                                    &_tools_tearoff->tearoff_window(), 0));
-
        toolbar_hbox.set_spacing (2);
        toolbar_hbox.set_border_width (1);
 
-       toolbar_hbox.pack_start (*_mouse_mode_tearoff, false, false);
+       toolbar_hbox.pack_start (*mode_box, false, false);
        if (!ARDOUR::Profile->get_trx()) {
-               toolbar_hbox.pack_start (*_zoom_tearoff, false, false);
-               toolbar_hbox.pack_start (*_tools_tearoff, false, false);
+               toolbar_hbox.pack_start (_zoom_box, false, false);
+               toolbar_hbox.pack_start (*hbox, false, false);
        }
 
        if (!ARDOUR::Profile->get_trx()) {
                hbox->pack_start (snap_box, false, false);
                hbox->pack_start (*nudge_box, false, false);
        }
-       hbox->pack_start (panic_box, false, false);
 
        hbox->show_all ();
 
@@ -3160,7 +3213,7 @@ void
 Editor::build_edit_mode_menu ()
 {
        using namespace Menu_Helpers;
-       
+
        edit_mode_selector.AddMenuElem (MenuElem ( edit_mode_strings[(int)Slide], sigc::bind (sigc::mem_fun(*this, &Editor::edit_mode_selection_done), (EditMode) Slide)));
 //     edit_mode_selector.AddMenuElem (MenuElem ( edit_mode_strings[(int)Splice], sigc::bind (sigc::mem_fun(*this, &Editor::edit_mode_selection_done), (EditMode) Splice)));
        edit_mode_selector.AddMenuElem (MenuElem ( edit_mode_strings[(int)Ripple], sigc::bind (sigc::mem_fun(*this, &Editor::edit_mode_selection_done), (EditMode) Ripple)));
@@ -3224,30 +3277,30 @@ Editor::build_snap_type_menu ()
 void
 Editor::setup_tooltips ()
 {
-       ARDOUR_UI::instance()->set_tip (smart_mode_button, _("Smart Mode (add Range functions to Grab mode)"));
-       ARDOUR_UI::instance()->set_tip (mouse_move_button, _("Grab Mode (select/move objects)"));
-       ARDOUR_UI::instance()->set_tip (mouse_cut_button, _("Cut Mode (split regions)"));
-       ARDOUR_UI::instance()->set_tip (mouse_select_button, _("Range Mode (select time ranges)"));
-       ARDOUR_UI::instance()->set_tip (mouse_draw_button, _("Draw Mode (draw and edit gain/notes/automation)"));
-       ARDOUR_UI::instance()->set_tip (mouse_timefx_button, _("Stretch Mode (time-stretch audio and midi regions, preserving pitch)"));
-       ARDOUR_UI::instance()->set_tip (mouse_audition_button, _("Audition Mode (listen to regions)"));
-       ARDOUR_UI::instance()->set_tip (mouse_content_button, _("Internal Edit Mode (edit notes and automation points)"));
-       ARDOUR_UI::instance()->set_tip (*_group_tabs, _("Groups: click to (de)activate\nContext-click for other operations"));
-       ARDOUR_UI::instance()->set_tip (nudge_forward_button, _("Nudge Region/Selection Later"));
-       ARDOUR_UI::instance()->set_tip (nudge_backward_button, _("Nudge Region/Selection Earlier"));
-       ARDOUR_UI::instance()->set_tip (zoom_in_button, _("Zoom In"));
-       ARDOUR_UI::instance()->set_tip (zoom_out_button, _("Zoom Out"));
-       ARDOUR_UI::instance()->set_tip (zoom_preset_selector, _("Zoom to Time Scale"));
-       ARDOUR_UI::instance()->set_tip (zoom_out_full_button, _("Zoom to Session"));
-       ARDOUR_UI::instance()->set_tip (zoom_focus_selector, _("Zoom focus"));
-       ARDOUR_UI::instance()->set_tip (tav_expand_button, _("Expand Tracks"));
-       ARDOUR_UI::instance()->set_tip (tav_shrink_button, _("Shrink Tracks"));
-       ARDOUR_UI::instance()->set_tip (visible_tracks_selector, _("Number of visible tracks"));
-       ARDOUR_UI::instance()->set_tip (snap_type_selector, _("Snap/Grid Units"));
-       ARDOUR_UI::instance()->set_tip (snap_mode_selector, _("Snap/Grid Mode"));
-       ARDOUR_UI::instance()->set_tip (edit_point_selector, _("Edit point"));
-       ARDOUR_UI::instance()->set_tip (edit_mode_selector, _("Edit Mode"));
-       ARDOUR_UI::instance()->set_tip (nudge_clock, _("Nudge Clock\n(controls distance used to nudge regions and selections)"));
+       set_tooltip (smart_mode_button, _("Smart Mode (add range functions to Grab Mode)"));
+       set_tooltip (mouse_move_button, _("Grab Mode (select/move objects)"));
+       set_tooltip (mouse_cut_button, _("Cut Mode (split regions)"));
+       set_tooltip (mouse_select_button, _("Range Mode (select time ranges)"));
+       set_tooltip (mouse_draw_button, _("Draw Mode (draw and edit gain/notes/automation)"));
+       set_tooltip (mouse_timefx_button, _("Stretch Mode (time-stretch audio and midi regions, preserving pitch)"));
+       set_tooltip (mouse_audition_button, _("Audition Mode (listen to regions)"));
+       set_tooltip (mouse_content_button, _("Internal Edit Mode (edit notes and automation points)"));
+       set_tooltip (*_group_tabs, _("Groups: click to (de)activate\nContext-click for other operations"));
+       set_tooltip (nudge_forward_button, _("Nudge Region/Selection Later"));
+       set_tooltip (nudge_backward_button, _("Nudge Region/Selection Earlier"));
+       set_tooltip (zoom_in_button, _("Zoom In"));
+       set_tooltip (zoom_out_button, _("Zoom Out"));
+       set_tooltip (zoom_preset_selector, _("Zoom to Time Scale"));
+       set_tooltip (zoom_out_full_button, _("Zoom to Session"));
+       set_tooltip (zoom_focus_selector, _("Zoom Focus"));
+       set_tooltip (tav_expand_button, _("Expand Tracks"));
+       set_tooltip (tav_shrink_button, _("Shrink Tracks"));
+       set_tooltip (visible_tracks_selector, _("Number of visible tracks"));
+       set_tooltip (snap_type_selector, _("Snap/Grid Units"));
+       set_tooltip (snap_mode_selector, _("Snap/Grid Mode"));
+       set_tooltip (edit_point_selector, _("Edit Point"));
+       set_tooltip (edit_mode_selector, _("Edit Mode"));
+       set_tooltip (nudge_clock, _("Nudge Clock\n(controls distance used to nudge regions and selections)"));
 }
 
 int
@@ -3391,11 +3444,11 @@ Editor::commit_reversible_selection_op ()
                                    The user has undone some selection ops and then made a new one,
                                    making anything earlier in the list invalid.
                                */
-                               
+
                                list<XMLNode *>::iterator it = selection_op_history.begin();
                                list<XMLNode *>::iterator e_it = it;
                                advance (e_it, selection_op_history_it);
-                               
+
                                for ( ; it != e_it; ++it) {
                                        delete *it;
                                }
@@ -3525,8 +3578,10 @@ Editor::history_changed ()
        if (redo_action && _session) {
                if (_session->redo_depth() == 0) {
                        label = _("Redo");
+                       redo_action->set_sensitive (false);
                } else {
                        label = string_compose(_("Redo (%1)"), _session->next_redo());
+                       redo_action->set_sensitive (true);
                }
                redo_action->property_label() = label;
        }
@@ -3591,7 +3646,7 @@ Editor::duplicate_range (bool with_dialog)
        } else if (get_smart_mode()) {
                if (selection->time.length()) {
                        duplicate_selection (times);
-               } else 
+               } else
                        duplicate_some_regions (rs, times);
        } else {
                duplicate_some_regions (rs, times);
@@ -3609,11 +3664,7 @@ Editor::cycle_edit_mode ()
 {
        switch (Config->get_edit_mode()) {
        case Slide:
-               if (Profile->get_sae()) {
-                       Config->set_edit_mode (Lock);
-               } else {
-                       Config->set_edit_mode (Ripple);
-               }
+               Config->set_edit_mode (Ripple);
                break;
        case Splice:
        case Ripple:
@@ -3755,7 +3806,7 @@ Editor::set_zoom_preset (int64_t ms)
                temporal_zoom_session();
                return;
        }
-       
+
        ARDOUR::framecnt_t const sample_rate = ARDOUR::AudioEngine::instance()->sample_rate();
        temporal_zoom( (sample_rate * ms / 1000) / _visible_canvas_width );
 }
@@ -3770,7 +3821,7 @@ Editor::set_visible_track_count (int32_t n)
           allocation happens, we will get called again and then we can do the
           real work.
        */
-       
+
        if (_visible_canvas_height <= 1) {
                return;
        }
@@ -3778,7 +3829,7 @@ Editor::set_visible_track_count (int32_t n)
        int h;
        string str;
        DisplaySuspender ds;
-       
+
        if (_visible_track_count > 0) {
                h = trackviews_height() / _visible_track_count;
                std::ostringstream s;
@@ -3794,7 +3845,7 @@ Editor::set_visible_track_count (int32_t n)
                h = trackviews_height() / n;
                str = _("All");
        } else {
-               /* negative value means that the visible track count has 
+               /* negative value means that the visible track count has
                   been overridden by explicit track height changes.
                */
                visible_tracks_selector.set_text (X_("*"));
@@ -3804,7 +3855,7 @@ Editor::set_visible_track_count (int32_t n)
        for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
                (*i)->set_height (h, TimeAxisView::HeightPerLane);
        }
-       
+
        if (str != visible_tracks_selector.get_text()) {
                visible_tracks_selector.set_text (str);
        }
@@ -3821,7 +3872,7 @@ bool
 Editor::edit_controls_button_release (GdkEventButton* ev)
 {
        if (Keyboard::is_context_menu_event (ev)) {
-               ARDOUR_UI::instance()->add_route (this);
+               ARDOUR_UI::instance()->add_route ();
        } else if (ev->button == 1) {
                selection->clear_tracks ();
        }
@@ -3881,98 +3932,6 @@ Editor::cycle_zoom_focus ()
        }
 }
 
-void
-Editor::ensure_float (Window& win)
-{
-       win.set_transient_for (*this);
-}
-
-void
-Editor::pane_allocation_handler (Allocation &alloc, Paned* which)
-{
-       /* recover or initialize pane positions. do this here rather than earlier because
-          we don't want the positions to change the child allocations, which they seem to do.
-        */
-
-       int pos;
-       XMLProperty* prop;
-       char buf[32];
-       XMLNode* node = ARDOUR_UI::instance()->editor_settings();
-
-       enum Pane {
-               Horizontal = 0x1,
-               Vertical = 0x2
-       };
-
-       static Pane done;
-
-       XMLNode* geometry = find_named_node (*node, "geometry");
-
-       if (which == static_cast<Paned*> (&edit_pane)) {
-
-               if (done & Horizontal) {
-                       return;
-               }
-
-               if (geometry && (prop = geometry->property ("notebook-shrunk"))) {
-                       _notebook_shrunk = string_is_affirmative (prop->value ());
-               }
-
-               if (!geometry || (prop = geometry->property ("edit-horizontal-pane-pos")) == 0) {
-                       /* initial allocation is 90% to canvas, 10% to notebook */
-                       pos = (int) floor (alloc.get_width() * 0.90f);
-                       snprintf (buf, sizeof(buf), "%d", pos);
-               } else {
-                       pos = atoi (prop->value());
-               }
-
-               if (GTK_WIDGET(edit_pane.gobj())->allocation.width > pos) {
-                       edit_pane.set_position (pos);
-               }
-
-               done = (Pane) (done | Horizontal);
-
-       } else if (which == static_cast<Paned*> (&editor_summary_pane)) {
-
-               if (done & Vertical) {
-                       return;
-               }
-
-               if (!geometry || (prop = geometry->property ("edit-vertical-pane-pos")) == 0) {
-                       /* initial allocation is 90% to canvas, 10% to summary */
-                       pos = (int) floor (alloc.get_height() * 0.90f);
-                       snprintf (buf, sizeof(buf), "%d", pos);
-               } else {
-
-                       pos = atoi (prop->value());
-               }
-
-               if (GTK_WIDGET(editor_summary_pane.gobj())->allocation.height > pos) {
-                       editor_summary_pane.set_position (pos);
-               }
-
-               done = (Pane) (done | Vertical);
-       }
-}
-
-void
-Editor::detach_tearoff (Box* /*b*/, Window* /*w*/)
-{
-       if ((_tools_tearoff->torn_off() || !_tools_tearoff->visible()) && 
-           (_mouse_mode_tearoff->torn_off() || !_mouse_mode_tearoff->visible()) && 
-           (_zoom_tearoff && (_zoom_tearoff->torn_off() || !_zoom_tearoff->visible()))) {
-               top_hbox.remove (toolbar_frame);
-       }
-}
-
-void
-Editor::reattach_tearoff (Box* /*b*/, Window* /*w*/, int32_t /*n*/)
-{
-       if (toolbar_frame.get_parent() == 0) {
-               top_hbox.pack_end (toolbar_frame);
-       }
-}
-
 void
 Editor::set_show_measures (bool yn)
 {
@@ -3984,12 +3943,10 @@ Editor::set_show_measures (bool yn)
                                tempo_lines->show();
                        }
 
-                       ARDOUR::TempoMap::BBTPointList::const_iterator begin;
-                       ARDOUR::TempoMap::BBTPointList::const_iterator end;
-                       
-                       compute_current_bbt_points (leftmost_frame, leftmost_frame + current_page_samples(), begin, end);
-                       draw_measures (begin, end);
-               } 
+                       std::vector<TempoMap::BBTPoint> grid;
+                       compute_current_bbt_points (grid, leftmost_frame, leftmost_frame + current_page_samples());
+                       draw_measures (grid);
+               }
 
                instant_save ();
        }
@@ -4094,6 +4051,47 @@ Editor::get_grid_beat_divisions(framepos_t position)
        return 0;
 }
 
+/** returns the current musical grid divisiions using the supplied modifier mask from a GtkEvent.
+    if the grid is non-musical, returns 0.
+    if the grid is snapped to bars, returns -1.
+    @param event_state the current keyboard modifier mask.
+*/
+unsigned
+Editor::get_grid_music_divisions (uint32_t event_state)
+{
+       if (snap_mode() == Editing::SnapOff && !ArdourKeyboard::indicates_snap (event_state)) {
+               return 0;
+       }
+
+       if (snap_mode() != Editing::SnapOff && ArdourKeyboard::indicates_snap (event_state)) {
+               return 0;
+       }
+
+       switch (_snap_type) {
+       case SnapToBeatDiv128: return 128;
+       case SnapToBeatDiv64:  return 64;
+       case SnapToBeatDiv32:  return 32;
+       case SnapToBeatDiv28:  return 28;
+       case SnapToBeatDiv24:  return 24;
+       case SnapToBeatDiv20:  return 20;
+       case SnapToBeatDiv16:  return 16;
+       case SnapToBeatDiv14:  return 14;
+       case SnapToBeatDiv12:  return 12;
+       case SnapToBeatDiv10:  return 10;
+       case SnapToBeatDiv8:   return 8;
+       case SnapToBeatDiv7:   return 7;
+       case SnapToBeatDiv6:   return 6;
+       case SnapToBeatDiv5:   return 5;
+       case SnapToBeatDiv4:   return 4;
+       case SnapToBeatDiv3:   return 3;
+       case SnapToBeatDiv2:   return 2;
+       case SnapToBeat:       return 1;
+       case SnapToBar :       return -1;
+       default:               return 0;
+       }
+       return 0;
+}
+
 Evoral::Beats
 Editor::get_grid_type_as_beats (bool& success, framepos_t position)
 {
@@ -4109,7 +4107,7 @@ Editor::get_grid_type_as_beats (bool& success, framepos_t position)
                return Evoral::Beats(1.0);
        case SnapToBar:
                if (_session) {
-                       return Evoral::Beats(_session->tempo_map().meter_at (position).divisions_per_bar());
+                       return Evoral::Beats(_session->tempo_map().meter_at_frame (position).divisions_per_bar());
                }
                break;
        default:
@@ -4145,19 +4143,34 @@ Editor::playlist_deletion_dialog (boost::shared_ptr<Playlist> pl)
 
        label.show ();
 
+       dialog.add_button (_("Delete All Unused"), RESPONSE_YES); // needs clarification. this and all remaining ones
        dialog.add_button (_("Delete Playlist"), RESPONSE_ACCEPT);
-       dialog.add_button (_("Keep Playlist"), RESPONSE_REJECT);
+       Button* keep = dialog.add_button (_("Keep Playlist"), RESPONSE_REJECT);
+       dialog.add_button (_("Keep Remaining"), RESPONSE_NO); // ditto
        dialog.add_button (_("Cancel"), RESPONSE_CANCEL);
 
+       // by default gtk uses the left most button
+       keep->grab_focus ();
+
        switch (dialog.run ()) {
+       case RESPONSE_NO:
+               /* keep this and all remaining ones */
+               return -2;
+               break;
+
+       case RESPONSE_YES:
+               /* delete this and all others */
+               return 2;
+               break;
+
        case RESPONSE_ACCEPT:
                /* delete the playlist */
-               return 0;
+               return 1;
                break;
 
        case RESPONSE_REJECT:
                /* keep the playlist */
-               return 1;
+               return 0;
                break;
 
        default:
@@ -4237,25 +4250,6 @@ Editor::session_state_saved (string)
        _snapshots->redisplay ();
 }
 
-void
-Editor::update_tearoff_visibility()
-{
-       bool visible = ARDOUR_UI::config()->get_keep_tearoffs();
-       _mouse_mode_tearoff->set_visible (visible);
-       _tools_tearoff->set_visible (visible);
-       if (_zoom_tearoff) {
-               _zoom_tearoff->set_visible (visible);
-       }
-}
-
-void
-Editor::reattach_all_tearoffs ()
-{
-       if (_mouse_mode_tearoff) _mouse_mode_tearoff->put_it_back ();
-       if (_tools_tearoff) _tools_tearoff->put_it_back ();
-       if (_zoom_tearoff) _zoom_tearoff->put_it_back ();
-}
-
 void
 Editor::maximise_editing_space ()
 {
@@ -4263,9 +4257,12 @@ Editor::maximise_editing_space ()
                return;
        }
 
-       fullscreen ();
+       Gtk::Window* toplevel = current_toplevel();
 
-       _maximised = true;
+       if (toplevel) {
+               toplevel->fullscreen ();
+               _maximised = true;
+       }
 }
 
 void
@@ -4275,9 +4272,12 @@ Editor::restore_editing_space ()
                return;
        }
 
-       unfullscreen();
+       Gtk::Window* toplevel = current_toplevel();
 
-       _maximised = false;
+       if (toplevel) {
+               toplevel->unfullscreen();
+               _maximised = false;
+       }
 }
 
 /**
@@ -4292,7 +4292,7 @@ Editor::new_playlists (TimeAxisView* v)
        begin_reversible_command (_("new playlists"));
        vector<boost::shared_ptr<ARDOUR::Playlist> > playlists;
        _session->playlists->get (playlists);
-       mapover_tracks (sigc::bind (sigc::mem_fun (*this, &Editor::mapped_use_new_playlist), playlists), v, ARDOUR::Properties::select.property_id);
+       mapover_tracks (sigc::bind (sigc::mem_fun (*this, &Editor::mapped_use_new_playlist), playlists), v, ARDOUR::Properties::group_select.property_id);
        commit_reversible_command ();
 }
 
@@ -4308,7 +4308,7 @@ Editor::copy_playlists (TimeAxisView* v)
        begin_reversible_command (_("copy playlists"));
        vector<boost::shared_ptr<ARDOUR::Playlist> > playlists;
        _session->playlists->get (playlists);
-       mapover_tracks (sigc::bind (sigc::mem_fun (*this, &Editor::mapped_use_copy_playlist), playlists), v, ARDOUR::Properties::select.property_id);
+       mapover_tracks (sigc::bind (sigc::mem_fun (*this, &Editor::mapped_use_copy_playlist), playlists), v, ARDOUR::Properties::group_select.property_id);
        commit_reversible_command ();
 }
 
@@ -4320,10 +4320,10 @@ Editor::copy_playlists (TimeAxisView* v)
 void
 Editor::clear_playlists (TimeAxisView* v)
 {
-       begin_reversible_command (_("clear playlists"));        
+       begin_reversible_command (_("clear playlists"));
        vector<boost::shared_ptr<ARDOUR::Playlist> > playlists;
        _session->playlists->get (playlists);
-       mapover_tracks (sigc::mem_fun (*this, &Editor::mapped_clear_playlist), v, ARDOUR::Properties::select.property_id);
+       mapover_tracks (sigc::mem_fun (*this, &Editor::mapped_clear_playlist), v, ARDOUR::Properties::group_select.property_id);
        commit_reversible_command ();
 }
 
@@ -4345,19 +4345,6 @@ Editor::mapped_clear_playlist (RouteTimeAxisView& atv, uint32_t /*sz*/)
        atv.clear_playlist ();
 }
 
-bool
-Editor::on_key_press_event (GdkEventKey* ev)
-{
-       return key_press_focus_accelerator_handler (*this, ev);
-}
-
-bool
-Editor::on_key_release_event (GdkEventKey* ev)
-{
-       return Gtk::Window::on_key_release_event (ev);
-       // return key_press_focus_accelerator_handler (*this, ev);
-}
-
 double
 Editor::get_y_origin () const
 {
@@ -4425,8 +4412,8 @@ Editor::current_visual_state (bool with_tracks)
        vs->leftmost_frame = leftmost_frame;
        vs->zoom_focus = zoom_focus;
 
-       if (with_tracks) {      
-               *vs->gui_state = *ARDOUR_UI::instance()->gui_object_state;
+       if (with_tracks) {
+               vs->gui_state->set_state (ARDOUR_UI::instance()->gui_object_state->get_state());
        }
 
        return vs;
@@ -4489,11 +4476,11 @@ Editor::use_visual_state (VisualState& vs)
 
        set_zoom_focus (vs.zoom_focus);
        reposition_and_zoom (vs.leftmost_frame, vs.samples_per_pixel);
-       
+
        if (vs.gui_state) {
-               *ARDOUR_UI::instance()->gui_object_state = *vs.gui_state;
-               
-               for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {    
+               ARDOUR_UI::instance()->gui_object_state->set_state (vs.gui_state->get_state());
+
+               for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
                        (*i)->clear_property_cache();
                        (*i)->reset_visual_state ();
                }
@@ -4603,7 +4590,7 @@ Editor::idle_visual_changer ()
 
        pending_visual_change.idle_handler_id = -1;
        pending_visual_change.being_handled = true;
-       
+
        VisualChange vc = pending_visual_change;
 
        pending_visual_change.pending = (VisualChange::Type) 0;
@@ -4625,14 +4612,10 @@ Editor::visual_changer (const VisualChange& vc)
 
                compute_fixed_ruler_scale ();
 
-               ARDOUR::TempoMap::BBTPointList::const_iterator current_bbt_points_begin;
-               ARDOUR::TempoMap::BBTPointList::const_iterator current_bbt_points_end;
-               
-               compute_current_bbt_points (vc.time_origin, pending_visual_change.time_origin + current_page_samples(),
-                                           current_bbt_points_begin, current_bbt_points_end);
-               compute_bbt_ruler_scale (vc.time_origin, pending_visual_change.time_origin + current_page_samples(),
-                                        current_bbt_points_begin, current_bbt_points_end);
-               update_tempo_based_rulers (current_bbt_points_begin, current_bbt_points_end);
+               std::vector<TempoMap::BBTPoint> grid;
+               compute_current_bbt_points (grid, vc.time_origin, pending_visual_change.time_origin + current_page_samples());
+               compute_bbt_ruler_scale (grid, vc.time_origin, pending_visual_change.time_origin + current_page_samples());
+               update_tempo_based_rulers (grid);
 
                update_video_timeline();
        }
@@ -4704,10 +4687,7 @@ Editor::get_preferred_edit_position (EditIgnoreOption ignore, bool from_context_
        switch (ep) {
        case EditAtPlayhead:
                if (_dragging_playhead) {
-                       if (!mouse_frame (where, ignored)) {
-                               /* XXX not right but what can we do ? */
-                               return 0;
-                       }
+                       where = *_control_scroll_target;
                } else {
                        where = _session->audible_frame();
                }
@@ -4902,7 +4882,7 @@ Editor::get_regions_from_selection_and_edit_point ()
                if (!tracks.empty()) {
                        /* no region selected or entered, but some selected tracks:
                         * act on all regions on the selected tracks at the edit point
-                        */ 
+                        */
                        framepos_t const where = get_preferred_edit_position ();
                        get_regions_at(regions, where, tracks);
                }
@@ -4939,7 +4919,7 @@ Editor::get_regions_from_selection_and_mouse (framepos_t pos)
                if (!tracks.empty()) {
                        /* no region selected or entered, but some selected tracks:
                         * act on all regions on the selected tracks at the edit point
-                        */ 
+                        */
                        get_regions_at(regions, pos, tracks);
                }
        }
@@ -4953,7 +4933,7 @@ Editor::get_regions_from_selection_and_mouse (framepos_t pos)
  */
 
 RegionSelection
-Editor::get_regions_from_selection_and_entered ()
+Editor::get_regions_from_selection_and_entered () const
 {
        RegionSelection regions = selection->regions;
 
@@ -4969,17 +4949,17 @@ Editor::get_regionviews_by_id (PBD::ID const id, RegionSelection & regions) cons
 {
        for (TrackViewList::const_iterator i = track_views.begin(); i != track_views.end(); ++i) {
                RouteTimeAxisView* rtav;
-               
+
                if ((rtav = dynamic_cast<RouteTimeAxisView*> (*i)) != 0) {
                        boost::shared_ptr<Playlist> pl;
                        std::vector<boost::shared_ptr<Region> > results;
                        boost::shared_ptr<Track> tr;
-                       
+
                        if ((tr = rtav->track()) == 0) {
                                /* bus */
                                continue;
                        }
-                       
+
                        if ((pl = (tr->playlist())) != 0) {
                                boost::shared_ptr<Region> r = pl->region_by_id (id);
                                if (r) {
@@ -5005,7 +4985,7 @@ Editor::get_per_region_note_selection (list<pair<PBD::ID, set<boost::shared_ptr<
                        mtav->get_per_region_note_selection (selection);
                }
        }
-       
+
 }
 
 void
@@ -5061,10 +5041,10 @@ void
 Editor::first_idle ()
 {
        MessageDialog* dialog = 0;
-       
+
        if (track_views.size() > 1) {
+               Timers::TimerSuspender t;
                dialog = new MessageDialog (
-                       *this,
                        string_compose (_("Please wait while %1 loads visual data."), PROGRAM_NAME),
                        true
                        );
@@ -5205,16 +5185,13 @@ Editor::region_view_removed ()
        _summary->set_background_dirty ();
 }
 
-RouteTimeAxisView*
-Editor::axis_view_from_route (boost::shared_ptr<Route> r) const
+TimeAxisView*
+Editor::axis_view_from_stripable (boost::shared_ptr<Stripable> s) const
 {
-       TrackViewList::const_iterator j = track_views.begin ();
-       while (j != track_views.end()) {
-               RouteTimeAxisView* rtv = dynamic_cast<RouteTimeAxisView*> (*j);
-               if (rtv && rtv->route() == r) {
-                       return rtv;
+       for (TrackViewList::const_iterator j = track_views.begin (); j != track_views.end(); ++j) {
+               if ((*j)->stripable() == s) {
+                       return *j;
                }
-               ++j;
        }
 
        return 0;
@@ -5227,7 +5204,7 @@ Editor::axis_views_from_routes (boost::shared_ptr<RouteList> r) const
        TrackViewList t;
 
        for (RouteList::const_iterator i = r->begin(); i != r->end(); ++i) {
-               TimeAxisView* tv = axis_view_from_route (*i);
+               TimeAxisView* tv = axis_view_from_stripable (*i);
                if (tv) {
                        t.push_back (tv);
                }
@@ -5254,56 +5231,94 @@ Editor::resume_route_redisplay ()
 }
 
 void
-Editor::add_routes (RouteList& routes)
+Editor::add_vcas (VCAList& vlist)
 {
-       ENSURE_GUI_THREAD (*this, &Editor::handle_new_route, routes)
+       StripableList sl;
+
+       for (VCAList::iterator v = vlist.begin(); v != vlist.end(); ++v) {
+               sl.push_back (boost::dynamic_pointer_cast<Stripable> (*v));
+       }
 
-       RouteTimeAxisView *rtv;
-       list<RouteTimeAxisView*> new_views;
+       add_stripables (sl);
+}
+
+void
+Editor::add_routes (RouteList& rlist)
+{
+       StripableList sl;
+
+       for (RouteList::iterator r = rlist.begin(); r != rlist.end(); ++r) {
+               sl.push_back (*r);
+       }
+
+       add_stripables (sl);
+}
+
+void
+Editor::add_stripables (StripableList& sl)
+{
+       list<TimeAxisView*> new_views;
+       boost::shared_ptr<VCA> v;
+       boost::shared_ptr<Route> r;
        TrackViewList new_selection;
        bool from_scratch = (track_views.size() == 0);
 
-       for (RouteList::iterator x = routes.begin(); x != routes.end(); ++x) {
-               boost::shared_ptr<Route> route = (*x);
+       sl.sort (StripablePresentationInfoSorter());
 
-               if (route->is_auditioner() || route->is_monitor()) {
-                       continue;
-               }
+       for (StripableList::iterator s = sl.begin(); s != sl.end(); ++s) {
 
-               DataType dt = route->input()->default_type();
+               if ((v = boost::dynamic_pointer_cast<VCA> (*s)) != 0) {
 
-               if (dt == ARDOUR::DataType::AUDIO) {
-                       rtv = new AudioTimeAxisView (*this, _session, *_track_canvas);
-                       rtv->set_route (route);
-               } else if (dt == ARDOUR::DataType::MIDI) {
-                       rtv = new MidiTimeAxisView (*this, _session, *_track_canvas);
-                       rtv->set_route (route);
-               } else {
-                       throw unknown_type();
-               }
+                       VCATimeAxisView* vtv = new VCATimeAxisView (*this, _session, *_track_canvas);
+                       vtv->set_vca (v);
+                       new_views.push_back (vtv);
 
-               new_views.push_back (rtv);
-               track_views.push_back (rtv);
-               new_selection.push_back (rtv);
+               } else if ((r = boost::dynamic_pointer_cast<Route> (*s)) != 0) {
 
-               rtv->effective_gain_display ();
+                       if (r->is_auditioner() || r->is_monitor()) {
+                               continue;
+                       }
 
-               rtv->view()->RegionViewAdded.connect (sigc::mem_fun (*this, &Editor::region_view_added));
-               rtv->view()->RegionViewRemoved.connect (sigc::mem_fun (*this, &Editor::region_view_removed));
+                       RouteTimeAxisView* rtv;
+                       DataType dt = r->input()->default_type();
+
+                       if (dt == ARDOUR::DataType::AUDIO) {
+                               rtv = new AudioTimeAxisView (*this, _session, *_track_canvas);
+                               rtv->set_route (r);
+                       } else if (dt == ARDOUR::DataType::MIDI) {
+                               rtv = new MidiTimeAxisView (*this, _session, *_track_canvas);
+                               rtv->set_route (r);
+                       } else {
+                               throw unknown_type();
+                       }
+
+                       new_views.push_back (rtv);
+                       track_views.push_back (rtv);
+                       new_selection.push_back (rtv);
+
+                       rtv->effective_gain_display ();
+
+                       rtv->view()->RegionViewAdded.connect (sigc::mem_fun (*this, &Editor::region_view_added));
+                       rtv->view()->RegionViewRemoved.connect (sigc::mem_fun (*this, &Editor::region_view_removed));
+               }
        }
 
        if (new_views.size() > 0) {
-               _routes->routes_added (new_views);
-               _summary->routes_added (new_views);
+               _routes->time_axis_views_added (new_views);
+               //_summary->routes_added (new_selection); /* XXX requires RouteTimeAxisViewList */
        }
 
-       if (!from_scratch) {
+       /* note: !new_selection.empty() means that we got some routes rather
+        * than just VCAs
+        */
+
+       if (!from_scratch && !new_selection.empty()) {
                selection->tracks.clear();
                selection->add (new_selection);
                begin_selection_op_history();
        }
 
-       if (show_editor_mixer_when_tracks_arrive) {
+       if (show_editor_mixer_when_tracks_arrive && !new_selection.empty()) {
                show_editor_mixer (true);
        }
 
@@ -5597,7 +5612,7 @@ Editor::reset_x_origin_to_follow_playhead ()
                } else {
 
                        framepos_t l = 0;
-                       
+
                        if (frame < leftmost_frame) {
                                /* moving left */
                                if (_session->transport_rolling()) {
@@ -5621,7 +5636,7 @@ Editor::reset_x_origin_to_follow_playhead ()
                        if (l < 0) {
                                l = 0;
                        }
-                       
+
                        center_screen_internal (l + (current_page_samples() / 2), current_page_samples ());
                }
        }
@@ -5637,7 +5652,7 @@ Editor::super_rapid_screen_update ()
        /* METERING / MIXER STRIPS */
 
        /* update track meters, if required */
-       if (is_mapped() && meters_running) {
+       if (contents().is_mapped() && meters_running) {
                RouteTimeAxisView* rtv;
                for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
                        if ((rtv = dynamic_cast<RouteTimeAxisView*>(*i)) != 0) {
@@ -5688,9 +5703,9 @@ Editor::super_rapid_screen_update ()
 
                } else {
 
-                       if (!_dragging_playhead && _session->requested_return_frame() < 0 && !pending_visual_change.being_handled) {
+                       if (!_dragging_playhead && _follow_playhead && _session->requested_return_frame() < 0 && !pending_visual_change.being_handled) {
                                framepos_t const frame = playhead_cursor->current_frame ();
-                               double target = ((double)frame - (double)current_page_samples()/3.0);
+                               double target = ((double)frame - (double)current_page_samples()/2.0);
                                if (target <= 0.0) {
                                        target = 0.0;
                                }
@@ -5766,17 +5781,43 @@ Editor::session_going_away ()
        clear_marker_display ();
 
        stop_step_editing ();
-       
-       /* get rid of any existing editor mixer strip */
 
-       WindowTitle title(Glib::get_application_name());
-       title += _("Editor");
+       if (own_window()) {
+
+               /* get rid of any existing editor mixer strip */
 
-       set_title (title.get_string());
+               WindowTitle title(Glib::get_application_name());
+               title += _("Editor");
+
+               own_window()->set_title (title.get_string());
+       }
 
        SessionHandlePtr::session_going_away ();
 }
 
+void
+Editor::trigger_script (int i)
+{
+       LuaInstance::instance()-> call_action (i);
+}
+
+void
+Editor::set_script_action_name (int i, const std::string& n)
+{
+       string const a = string_compose (X_("script-action-%1"), i + 1);
+       Glib::RefPtr<Action> act = ActionManager::get_action(X_("Editor"), a.c_str());
+       assert (act);
+       if (n.empty ()) {
+               act->set_label (string_compose (_("Unset #%1"), i + 1));
+               act->set_tooltip (_("no action bound"));
+               act->set_sensitive (false);
+       } else {
+               act->set_label (n);
+               act->set_tooltip (n);
+               act->set_sensitive (true);
+       }
+       KeyEditor::UpdateBindings ();
+}
 
 void
 Editor::show_editor_list (bool yn)
@@ -5842,7 +5883,7 @@ Editor::setup_fade_images ()
        _fade_out_images[FadeFast] = new Gtk::Image (get_icon_path (X_("fadeout-fast-cut")));
        _fade_out_images[FadeSlow] = new Gtk::Image (get_icon_path (X_("fadeout-slow-cut")));
        _fade_out_images[FadeConstantPower] = new Gtk::Image (get_icon_path (X_("fadeout-constant-power")));
-       
+
        _xfade_in_images[FadeLinear] = new Gtk::Image (get_icon_path (X_("fadein-linear")));
        _xfade_in_images[FadeSymmetric] = new Gtk::Image (get_icon_path (X_("fadein-symmetric")));
        _xfade_in_images[FadeFast] = new Gtk::Image (get_icon_path (X_("fadein-fast-cut")));
@@ -5892,16 +5933,16 @@ Editor::notebook_tab_clicked (GdkEventButton* ev, Gtk::Widget* page)
 
                if (_notebook_shrunk) {
                        if (pre_notebook_shrink_pane_width) {
-                               edit_pane.set_position (*pre_notebook_shrink_pane_width);
+                               edit_pane.set_divider (0, *pre_notebook_shrink_pane_width);
                        }
                        _notebook_shrunk = false;
                } else {
-                       pre_notebook_shrink_pane_width = edit_pane.get_position();
+                       pre_notebook_shrink_pane_width = edit_pane.get_divider();
 
                        /* this expands the LHS of the edit pane to cover the notebook
                           PAGE but leaves the tabs visible.
                         */
-                       edit_pane.set_position (edit_pane.get_position() + page->get_width());
+                       edit_pane.set_divider (0, edit_pane.get_divider() + page->get_width());
                        _notebook_shrunk = true;
                }
        }
@@ -5913,10 +5954,10 @@ void
 Editor::popup_control_point_context_menu (ArdourCanvas::Item* item, GdkEvent* event)
 {
        using namespace Menu_Helpers;
-       
+
        MenuList& items = _control_point_context_menu.items ();
        items.clear ();
-       
+
        items.push_back (MenuElem (_("Edit..."), sigc::bind (sigc::mem_fun (*this, &Editor::edit_control_point), item)));
        items.push_back (MenuElem (_("Delete"), sigc::bind (sigc::mem_fun (*this, &Editor::remove_control_point), item)));
        if (!can_remove_control_point (item)) {
@@ -5942,20 +5983,41 @@ Editor::popup_note_context_menu (ArdourCanvas::Item* item, GdkEvent* event)
 
        MidiRegionView&       mrv = note->region_view();
        const RegionSelection rs  = get_regions_from_selection_and_entered ();
+       const uint32_t sel_size = mrv.selection_size ();
 
        MenuList& items = _note_context_menu.items();
        items.clear();
 
-       items.push_back(MenuElem(_("Delete"),
-                                sigc::mem_fun(mrv, &MidiRegionView::delete_selection)));
+       if (sel_size > 0) {
+               items.push_back(MenuElem(_("Delete"),
+                                        sigc::mem_fun(mrv, &MidiRegionView::delete_selection)));
+       }
+
        items.push_back(MenuElem(_("Edit..."),
-                                sigc::bind(sigc::mem_fun(*this, &Editor::edit_notes), &mrv)));
+                                sigc::bind(sigc::mem_fun(*this, &Editor::edit_notes), &mrv)));
+       if (sel_size != 1) {
+               items.back().set_sensitive (false);
+       }
+
+       items.push_back(MenuElem(_("Transpose..."),
+                                sigc::bind(sigc::mem_fun(*this, &Editor::transpose_regions), rs)));
+
+
        items.push_back(MenuElem(_("Legatize"),
-                                sigc::bind(sigc::mem_fun(*this, &Editor::legatize_regions), rs, false)));
+                                sigc::bind(sigc::mem_fun(*this, &Editor::legatize_regions), rs, false)));
+       if (sel_size < 2) {
+               items.back().set_sensitive (false);
+       }
+
        items.push_back(MenuElem(_("Quantize..."),
                                 sigc::bind(sigc::mem_fun(*this, &Editor::quantize_regions), rs)));
+
        items.push_back(MenuElem(_("Remove Overlap"),
-                                sigc::bind(sigc::mem_fun(*this, &Editor::legatize_regions), rs, true)));
+                                sigc::bind(sigc::mem_fun(*this, &Editor::legatize_regions), rs, true)));
+       if (sel_size < 2) {
+               items.back().set_sensitive (false);
+       }
+
        items.push_back(MenuElem(_("Transform..."),
                                 sigc::bind(sigc::mem_fun(*this, &Editor::transform_regions), rs)));
 
@@ -5975,11 +6037,67 @@ Editor::ui_parameter_changed (string parameter)
                while (!_cursor_stack.empty()) {
                        _cursor_stack.pop_back();
                }
-               _cursors->set_cursor_set (ARDOUR_UI::config()->get_icon_set());
+               _cursors->set_cursor_set (UIConfiguration::instance().get_icon_set());
                _cursor_stack.push_back(_cursors->grabber);
+               edit_pane.set_drag_cursor (*_cursors->expand_left_right);
+               editor_summary_pane.set_drag_cursor (*_cursors->expand_up_down);
+
        } else if (parameter == "draggable-playhead") {
                if (_verbose_cursor) {
-                       playhead_cursor->set_sensitive (ARDOUR_UI::config()->get_draggable_playhead());
+                       playhead_cursor->set_sensitive (UIConfiguration::instance().get_draggable_playhead());
                }
        }
 }
+
+Gtk::Window*
+Editor::use_own_window (bool and_fill_it)
+{
+       bool new_window = !own_window();
+
+       Gtk::Window* win = Tabbable::use_own_window (and_fill_it);
+
+       if (win && new_window) {
+               win->set_name ("EditorWindow");
+
+               ARDOUR_UI::instance()->setup_toplevel_window (*win, _("Editor"), this);
+
+               // win->signal_realize().connect (*this, &Editor::on_realize);
+               win->signal_event().connect (sigc::bind (sigc::ptr_fun (&Keyboard::catch_user_event_for_pre_dialog_focus), win));
+               win->signal_event().connect (sigc::mem_fun (*this, &Editor::generic_event_handler));
+               win->set_data ("ardour-bindings", bindings);
+
+               update_title ();
+       }
+
+       DisplaySuspender ds;
+       contents().show_all ();
+
+       /* XXX: this is a bit unfortunate; it would probably
+          be nicer if we could just call show () above rather
+          than needing the show_all ()
+       */
+
+       /* re-hide stuff if necessary */
+       editor_list_button_toggled ();
+       parameter_changed ("show-summary");
+       parameter_changed ("show-group-tabs");
+       parameter_changed ("show-zoom-tools");
+
+       /* now reset all audio_time_axis heights, because widgets might need
+          to be re-hidden
+       */
+
+       TimeAxisView *tv;
+
+       for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
+               tv = (static_cast<TimeAxisView*>(*i));
+               tv->reset_height ();
+       }
+
+       if (current_mixer_strip) {
+               current_mixer_strip->hide_things ();
+               current_mixer_strip->parameter_changed ("mixer-element-visibility");
+       }
+
+       return win;
+}