Make send automation work (#4734).
[ardour.git] / gtk2_ardour / editor.cc
index 67e89e9e3ce6e9c09757469b7bce40dd2d922823..e17c8046c47f5021166d0f3c99bb95260f781b81 100644 (file)
@@ -43,6 +43,7 @@
 #include "pbd/enumwriter.h"
 #include "pbd/memento_command.h"
 #include "pbd/unknown_type.h"
+#include "pbd/unwind.h"
 
 #include <glibmm/miscutils.h>
 #include <gtkmm/image.h>
 #include "gtkmm2ext/choice.h"
 #include "gtkmm2ext/cell_renderer_pixbuf_toggle.h"
 
-#include "ardour/audio_diskstream.h"
 #include "ardour/audio_track.h"
-#include "ardour/audioplaylist.h"
+#include "ardour/audioengine.h"
 #include "ardour/audioregion.h"
 #include "ardour/location.h"
-#include "ardour/midi_region.h"
-#include "ardour/plugin_manager.h"
 #include "ardour/profile.h"
 #include "ardour/route_group.h"
-#include "ardour/session_directory.h"
-#include "ardour/session_route.h"
-#include "ardour/session_state_utils.h"
+#include "ardour/session_playlists.h"
 #include "ardour/tempo.h"
 #include "ardour/utils.h"
-#include "ardour/session_playlists.h"
-#include "ardour/audioengine.h"
 
 #include "control_protocol/control_protocol.h"
 
 #include "audio_time_axis.h"
 #include "automation_time_axis.h"
 #include "bundle_manager.h"
+#include "button_joiner.h"
 #include "canvas-noevent-text.h"
 #include "canvas_impl.h"
 #include "crossfade_edit.h"
-#include "crossfade_view.h"
 #include "debug.h"
 #include "editing.h"
 #include "editor.h"
 #include "marker.h"
 #include "midi_time_axis.h"
 #include "mixer_strip.h"
+#include "mixer_ui.h"
 #include "mouse_cursors.h"
 #include "playlist_selector.h"
 #include "public_editor.h"
@@ -149,6 +144,8 @@ static const gchar *_snap_type_strings[] = {
        N_("Timecode Minutes"),
        N_("Seconds"),
        N_("Minutes"),
+       N_("Beats/128"),
+       N_("Beats/64"),
        N_("Beats/32"),
        N_("Beats/28"),
        N_("Beats/24"),
@@ -262,14 +259,13 @@ Editor::Editor ()
 
          /* tool bar related */
 
-       , zoom_range_clock (new AudioClock (X_("zoomrange"), false, X_("ZoomRangeClock"), true, false, true))
+       , zoom_range_clock (new AudioClock (X_("zoomrange"), false, X_("zoom range"), true, false, true))
 
        , 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)))
-       , midi_panic_button (_("Panic"))
 
 #ifdef WITH_CMT
        , image_socket_listener(0)
@@ -277,13 +273,15 @@ Editor::Editor ()
 
          /* nudge */
 
-       , nudge_clock (new AudioClock (X_("nudge"), false, X_("NudgeClock"), true, false, true))
+       , nudge_clock (new AudioClock (X_("nudge"), false, X_("nudge"), true, false, true))
        , meters_running(false)
        , _pending_locate_request (false)
        , _pending_initial_locate (false)
        , _last_cut_copy_source_track (0)
 
        , _region_selection_change_updates_region_list (true)
+       , _following_mixer_selection (false)
+       , _control_point_toggled_on_press (false)
 {
        constructed = false;
 
@@ -299,13 +297,11 @@ Editor::Editor ()
        clicked_regionview = 0;
        clicked_axisview = 0;
        clicked_routeview = 0;
-       clicked_crossfadeview = 0;
        clicked_control_point = 0;
        last_update_frame = 0;
         pre_press_cursor = 0;
        _drags = new DragManager (this);
        current_mixer_strip = 0;
-       current_bbt_points = 0;
        tempo_lines = 0;
 
        snap_type_strings =  I18N (_snap_type_strings);
@@ -331,13 +327,12 @@ Editor::Editor ()
 
        current_interthread_info = 0;
        _show_measures = true;
+       _maximised = false;
        show_gain_after_trim = false;
-       last_item_entered = 0;
 
        have_pending_keyboard_selection = false;
        _follow_playhead = true;
         _stationary_playhead = false;
-       _xfade_visibility = true;
        editor_ruler_menu = 0;
        no_ruler_shown_update = false;
        marker_menu = 0;
@@ -367,6 +362,7 @@ Editor::Editor ()
        layering_order_editor = 0;
        no_save_visual = false;
        resize_idle_id = -1;
+       within_track_canvas = false;
 
        scrubbing_direction = 0;
 
@@ -547,7 +543,7 @@ Editor::Editor ()
        add_notebook_page (_("Regions"), _regions->widget ());
        add_notebook_page (_("Tracks & Busses"), _routes->widget ());
        add_notebook_page (_("Snapshots"), _snapshots->widget ());
-       add_notebook_page (_("Route Groups"), _route_groups->widget ());
+       add_notebook_page (_("Track & Bus Groups"), _route_groups->widget ());
        add_notebook_page (_("Ranges & Marks"), _locations->widget ());
 
        _the_notebook.set_show_tabs (true);
@@ -556,10 +552,6 @@ Editor::Editor ()
        _the_notebook.set_tab_pos (Gtk::POS_RIGHT);
        _the_notebook.show_all ();
 
-       post_maximal_editor_width = 0;
-       post_maximal_horizontal_pane_position = 0;
-       post_maximal_editor_height = 0;
-       post_maximal_vertical_pane_position = 0;
        _notebook_shrunk = false;
 
        editor_summary_pane.pack1(edit_packer);
@@ -637,9 +629,12 @@ Editor::Editor ()
        /* 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 ();
 
        setup_toolbar ();
-       setup_midi_toolbar ();
 
        _snap_type = SnapToBeat;
        set_snap_to (_snap_type);
@@ -647,12 +642,16 @@ Editor::Editor ()
        set_snap_mode (_snap_mode);
        set_mouse_mode (MouseObject, true);
         pre_internal_mouse_mode = MouseObject;
+        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)));
 
-       RegionView::RegionViewGoingAway.connect (*this, invalidator (*this),  ui_bind (&Editor::catch_vanishing_regionview, this, _1), gui_context());
+       RegionView::RegionViewGoingAway.connect (*this, invalidator (*this),  boost::bind (&Editor::catch_vanishing_regionview, this, _1), gui_context());
 
        /* nudge stuff */
 
@@ -702,17 +701,33 @@ Editor::Editor ()
        ControlProtocol::ZoomToSession.connect (*this, invalidator (*this), boost::bind (&Editor::temporal_zoom_session, this), gui_context());
        ControlProtocol::ZoomIn.connect (*this, invalidator (*this), boost::bind (&Editor::temporal_zoom_step, this, false), gui_context());
        ControlProtocol::ZoomOut.connect (*this, invalidator (*this), boost::bind (&Editor::temporal_zoom_step, this, true), gui_context());
-       ControlProtocol::ScrollTimeline.connect (*this, invalidator (*this), ui_bind (&Editor::control_scroll, this, _1), gui_context());
-       ControlProtocol::SelectByRID.connect (*this, invalidator (*this), ui_bind (&Editor::control_select, this, _1), gui_context());
-       BasicUI::AccessAction.connect (*this, invalidator (*this), ui_bind (&Editor::access_action, this, _1, _2), gui_context());
+       ControlProtocol::Undo.connect (*this, invalidator (*this), boost::bind (&Editor::undo, this, true), gui_context());
+       ControlProtocol::Redo.connect (*this, invalidator (*this), boost::bind (&Editor::redo, this, true), gui_context());
+       ControlProtocol::ScrollTimeline.connect (*this, invalidator (*this), boost::bind (&Editor::control_scroll, this, _1), gui_context());
+       ControlProtocol::StepTracksUp.connect (*this, invalidator (*this), boost::bind (&Editor::control_step_tracks_up, this), gui_context());
+       ControlProtocol::StepTracksDown.connect (*this, invalidator (*this), boost::bind (&Editor::control_step_tracks_down, this), gui_context());
+       ControlProtocol::GotoView.connect (*this, invalidator (*this), boost::bind (&Editor::control_view, this, _1), gui_context());
+       ControlProtocol::CloseDialog.connect (*this, invalidator (*this), Keyboard::close_current_dialog, gui_context());
+       ControlProtocol::VerticalZoomInAll.connect (*this, invalidator (*this), boost::bind (&Editor::control_vertical_zoom_in_all, this), gui_context());
+       ControlProtocol::VerticalZoomOutAll.connect (*this, invalidator (*this), boost::bind (&Editor::control_vertical_zoom_out_all, this), gui_context());
+       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());
+
+       BasicUI::AccessAction.connect (*this, invalidator (*this), boost::bind (&Editor::access_action, this, _1, _2), 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), ui_bind (&Editor::parameter_changed, this, _1), gui_context());
+       Config->ParameterChanged.connect (*this, invalidator (*this), boost::bind (&Editor::parameter_changed, this, _1), gui_context());
 
-       TimeAxisView::CatchDeletion.connect (*this, invalidator (*this), ui_bind (&Editor::timeaxisview_deleted, this, _1), gui_context());
+       TimeAxisView::CatchDeletion.connect (*this, invalidator (*this), boost::bind (&Editor::timeaxisview_deleted, this, _1), gui_context());
 
        _ignore_region_action = false;
        _last_region_menu_was_main = false;
@@ -766,7 +781,6 @@ Editor::button_settings () const
        XMLNode* node = find_named_node (*settings, X_("Buttons"));
 
        if (!node) {
-                cerr << "new empty Button node\n";
                node = new XMLNode (X_("Buttons"));
        }
 
@@ -871,6 +885,7 @@ Editor::show_window ()
 
                if (current_mixer_strip) {
                        current_mixer_strip->hide_things ();
+                       current_mixer_strip->parameter_changed ("mixer-strip-visibility");
                }
        }
 
@@ -912,7 +927,43 @@ Editor::zoom_adjustment_changed ()
 }
 
 void
-Editor::control_select (uint32_t rid) 
+Editor::control_vertical_zoom_in_all ()
+{
+       tav_zoom_smooth (false, true);
+}
+
+void
+Editor::control_vertical_zoom_out_all ()
+{
+       tav_zoom_smooth (true, true);
+}
+
+void
+Editor::control_vertical_zoom_in_selected ()
+{
+       tav_zoom_smooth (false, false);
+}
+
+void
+Editor::control_vertical_zoom_out_selected ()
+{
+       tav_zoom_smooth (true, false);
+}
+
+void
+Editor::control_view (uint32_t view)
+{
+       goto_visual_state (view);
+}
+
+void
+Editor::control_unselect ()
+{
+       selection->clear_tracks ();
+}
+
+void
+Editor::control_select (uint32_t rid, Selection::Operation op) 
 {
        /* handles the (static) signal from the ControlProtocol class that
         * requests setting the selected track to a given RID
@@ -931,12 +982,36 @@ Editor::control_select (uint32_t rid)
        TimeAxisView* tav = axis_view_from_route (r);
 
        if (tav) {
-               selection->set (tav);
+               switch (op) {
+               case Selection::Add:
+                       selection->add (tav);
+                       break;
+               case Selection::Toggle:
+                       selection->toggle (tav);
+                       break;
+               case Selection::Extend:
+                       break;
+               case Selection::Set:
+                       selection->set (tav);
+                       break;
+               }
        } else {
                selection->clear_tracks ();
        }
 }
 
+void
+Editor::control_step_tracks_up ()
+{
+       scroll_tracks_up_line ();
+}
+
+void
+Editor::control_step_tracks_down ()
+{
+       scroll_tracks_down_line ();
+}
+
 void
 Editor::control_scroll (float fraction)
 {
@@ -1190,34 +1265,21 @@ Editor::set_session (Session *t)
           but use Gtkmm2ext::UI::instance()->call_slot();
        */
 
-       _session->StepEditStatusChange.connect (_session_connections, invalidator (*this), ui_bind(&Editor::step_edit_status_change, this, _1), gui_context());
+       _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), ui_bind (&Editor::map_position_change, this, _1), gui_context());
-       _session->RouteAdded.connect (_session_connections, invalidator (*this), ui_bind (&Editor::handle_new_route, this, _1), gui_context());
+       _session->PositionChanged.connect (_session_connections, invalidator (*this), boost::bind (&Editor::map_position_change, this, _1), gui_context());
+       _session->RouteAdded.connect (_session_connections, invalidator (*this), boost::bind (&Editor::handle_new_route, 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), ui_bind (&Editor::tempo_map_changed, this, _1), gui_context());
+       _session->tempo_map().PropertyChanged.connect (_session_connections, invalidator (*this), boost::bind (&Editor::tempo_map_changed, this, _1), gui_context());
        _session->Located.connect (_session_connections, invalidator (*this), boost::bind (&Editor::located, this), gui_context());
-       _session->config.ParameterChanged.connect (_session_connections, invalidator (*this), ui_bind (&Editor::parameter_changed, this, _1), gui_context());
-       _session->StateSaved.connect (_session_connections, invalidator (*this), ui_bind (&Editor::session_state_saved, this, _1), gui_context());
-       _session->locations()->added.connect (_session_connections, invalidator (*this), ui_bind (&Editor::add_new_location, this, _1), gui_context());
-       _session->locations()->removed.connect (_session_connections, invalidator (*this), ui_bind (&Editor::location_gone, this, _1), 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());
+       _session->locations()->added.connect (_session_connections, invalidator (*this), boost::bind (&Editor::add_new_location, this, _1), gui_context());
+       _session->locations()->removed.connect (_session_connections, invalidator (*this), boost::bind (&Editor::location_gone, this, _1), gui_context());
        _session->locations()->changed.connect (_session_connections, invalidator (*this), boost::bind (&Editor::refresh_location_display, this), gui_context());
-       _session->locations()->StateChanged.connect (_session_connections, invalidator (*this), ui_bind (&Editor::refresh_location_display, this), gui_context());
+       _session->locations()->StateChanged.connect (_session_connections, invalidator (*this), boost::bind (&Editor::refresh_location_display, this), gui_context());
        _session->history().Changed.connect (_session_connections, invalidator (*this), boost::bind (&Editor::history_changed, this), gui_context());
 
-       if (Profile->get_sae()) {
-               Timecode::BBT_Time bbt;
-               bbt.bars = 0;
-               bbt.beats = 0;
-               bbt.ticks = 120;
-               framepos_t pos = _session->tempo_map().bbt_duration_at (0, bbt, 1);
-               nudge_clock->set_mode(AudioClock::BBT);
-               nudge_clock->set (pos, true, 0, AudioClock::BBT);
-
-       } else {
-               nudge_clock->set (_session->frame_rate() * 5, true, 0, AudioClock::Timecode); // default of 5 seconds
-       }
-
        playhead_cursor->canvas_item.show ();
 
        boost::function<void (string)> pc (boost::bind (&Editor::parameter_changed, this, _1));
@@ -1273,6 +1335,101 @@ Editor::action_pre_activated (Glib::RefPtr<Action> const & a)
        }
 }
 
+void
+Editor::fill_xfade_menu (Menu_Helpers::MenuList& items, bool start)
+{
+       using namespace Menu_Helpers;
+
+       void (Editor::*emf)(FadeShape);
+       std::map<ARDOUR::FadeShape,Gtk::Image*>* images;
+
+       if (start) {
+               images = &_xfade_in_images;
+               emf = &Editor::set_fade_in_shape;
+       } else {
+               images = &_xfade_out_images;
+               emf = &Editor::set_fade_out_shape;
+       }
+
+       items.push_back (
+               ImageMenuElem (
+                       _("Linear (for highly correlated material)"),
+                       *(*images)[FadeLinear],
+                       sigc::bind (sigc::mem_fun (*this, emf), FadeLinear)
+                       )
+               );
+       
+       dynamic_cast<ImageMenuItem*>(&items.back())->set_always_show_image ();
+       
+       items.push_back (
+               ImageMenuElem (
+                       _("ConstantPower"),
+                       *(*images)[FadeConstantPower],
+                       sigc::bind (sigc::mem_fun (*this, emf), FadeConstantPower)
+                       ));
+       
+       dynamic_cast<ImageMenuItem*>(&items.back())->set_always_show_image ();
+       
+       items.push_back (
+               ImageMenuElem (
+                       _("Symmetric"),
+                       *(*images)[FadeSymmetric],
+                       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 ();
+}
+
+/** Pop up a context menu for when the user clicks on a start crossfade */
+void
+Editor::popup_xfade_in_context_menu (int button, int32_t time, ArdourCanvas::Item* item, ItemType item_type)
+{
+       using namespace Menu_Helpers;
+
+       MenuList& items (xfade_in_context_menu.items());
+
+       if (items.empty()) {
+               fill_xfade_menu (items, true);
+       }
+
+       xfade_in_context_menu.popup (button, time);
+}
+
+/** Pop up a context menu for when the user clicks on an end crossfade */
+void
+Editor::popup_xfade_out_context_menu (int button, int32_t time, ArdourCanvas::Item* item, ItemType item_type)
+{
+       using namespace Menu_Helpers;
+
+       MenuList& items (xfade_out_context_menu.items());
+
+       if (items.empty()) {
+               fill_xfade_menu (items, false);
+       }
+
+       xfade_out_context_menu.popup (button, time);
+}
+
+
 /** Pop up a context menu for when the user clicks on a fade in or fade out */
 void
 Editor::popup_fade_context_menu (int button, int32_t time, ArdourCanvas::Item* item, ItemType item_type)
@@ -1286,7 +1443,6 @@ Editor::popup_fade_context_menu (int button, int32_t time, ArdourCanvas::Item* i
        }
 
        MenuList& items (fade_context_menu.items());
-
        items.clear ();
 
        switch (item_type) {
@@ -1297,16 +1453,16 @@ Editor::popup_fade_context_menu (int button, int32_t time, ArdourCanvas::Item* i
                } else {
                        items.push_back (MenuElem (_("Activate"), sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_in_active), true)));
                }
-
+               
                items.push_back (SeparatorElem());
-
+               
                if (Profile->get_sae()) {
-
+                       
                        items.push_back (MenuElem (_("Linear"), sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_in_shape), FadeLinear)));
                        items.push_back (MenuElem (_("Slowest"), sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_in_shape), FadeFast)));
-
+                       
                } else {
-
+                       
                        items.push_back (
                                ImageMenuElem (
                                        _("Linear"),
@@ -1314,41 +1470,39 @@ Editor::popup_fade_context_menu (int button, int32_t time, ArdourCanvas::Item* i
                                        sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_in_shape), FadeLinear)
                                        )
                                );
-
+                               
                        dynamic_cast<ImageMenuItem*>(&items.back())->set_always_show_image ();
-
+                               
                        items.push_back (
                                ImageMenuElem (
-                                       _("Slowest"),
-                                       *_fade_in_images[FadeFast],
-                                       sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_in_shape), FadeFast)
+                                       _("Slow"),
+                                       *_fade_in_images[FadeSlow],
+                                       sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_in_shape), FadeSlow)
                                        ));
-
+                               
                        dynamic_cast<ImageMenuItem*>(&items.back())->set_always_show_image ();
-
+                               
                        items.push_back (
                                ImageMenuElem (
-                                       _("Slow"),
-                                       *_fade_in_images[FadeLogB],
-                                       sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_in_shape), FadeLogB)
+                                       _("Fast"),
+                                       *_fade_in_images[FadeFast],
+                                       sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_in_shape), FadeFast)
                                        ));
-
+                               
                        dynamic_cast<ImageMenuItem*>(&items.back())->set_always_show_image ();
-
+                               
                        items.push_back (
                                ImageMenuElem (
-                                       _("Fast"),
-                                       *_fade_in_images[FadeLogA],
-                                       sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_in_shape), FadeLogA)
+                                       _("Symmetric"),
+                                       *_fade_in_images[FadeSymmetric],
+                                       sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_in_shape), FadeSymmetric)
                                        ));
-
-                       dynamic_cast<ImageMenuItem*>(&items.back())->set_always_show_image ();
-
+                               
                        items.push_back (
                                ImageMenuElem (
-                                       _("Fastest"),
-                                       *_fade_in_images[FadeSlow],
-                                       sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_in_shape), FadeSlow)
+                                       _("Constant Power"),
+                                       *_fade_in_images[FadeConstantPower],
+                                       sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_in_shape), FadeConstantPower)
                                        ));
 
                        dynamic_cast<ImageMenuItem*>(&items.back())->set_always_show_image ();
@@ -1383,8 +1537,8 @@ Editor::popup_fade_context_menu (int button, int32_t time, ArdourCanvas::Item* i
 
                        items.push_back (
                                ImageMenuElem (
-                                       _("Slowest"),
-                                       *_fade_out_images[FadeFast],
+                                       _("Slow"),
+                                       *_fade_out_images[FadeSlow],
                                        sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_out_shape), FadeSlow)
                                        ));
 
@@ -1392,27 +1546,25 @@ Editor::popup_fade_context_menu (int button, int32_t time, ArdourCanvas::Item* i
 
                        items.push_back (
                                ImageMenuElem (
-                                       _("Slow"),
-                                       *_fade_out_images[FadeLogB],
-                                       sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_out_shape), FadeLogA)
+                                       _("Fast"),
+                                       *_fade_out_images[FadeFast],
+                                       sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_out_shape), FadeFast)
                                        ));
 
                        dynamic_cast<ImageMenuItem*>(&items.back())->set_always_show_image ();
 
                        items.push_back (
                                ImageMenuElem (
-                                       _("Fast"),
-                                       *_fade_out_images[FadeLogA],
-                                       sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_out_shape), FadeLogB)
+                                       _("Symmetric"),
+                                       *_fade_out_images[FadeSymmetric],
+                                       sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_out_shape), FadeSymmetric)
                                        ));
 
-                       dynamic_cast<ImageMenuItem*>(&items.back())->set_always_show_image ();
-
                        items.push_back (
                                ImageMenuElem (
-                                       _("Fastest"),
-                                       *_fade_out_images[FadeSlow],
-                                       sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_out_shape), FadeFast)
+                                       _("Constant Power"),
+                                       *_fade_out_images[FadeConstantPower],
+                                       sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_out_shape), FadeConstantPower)
                                        ));
 
                        dynamic_cast<ImageMenuItem*>(&items.back())->set_always_show_image ();
@@ -1458,10 +1610,6 @@ Editor::popup_track_context_menu (int button, int32_t time, ItemType item_type,
                }
                break;
 
-       case CrossfadeViewItem:
-               build_menu_function = &Editor::build_track_crossfade_context_menu;
-               break;
-
        case StreamItem:
                if (clicked_routeview->track()) {
                        build_menu_function = &Editor::build_track_context_menu;
@@ -1507,9 +1655,6 @@ Editor::popup_track_context_menu (int button, int32_t time, ItemType item_type,
        case SelectionItem:
                break;
 
-       case CrossfadeViewItem:
-               break;
-
        case StreamItem:
                break;
 
@@ -1594,11 +1739,6 @@ Editor::build_track_region_context_menu ()
        region_edit_menu_split_item = 0;
        region_edit_menu_split_multichannel_item = 0;
 
-       /* we might try to use items that are currently attached to a crossfade menu,
-          so clear that, too.
-       */
-       track_crossfade_context_menu.items().clear ();
-
        RouteTimeAxisView* rtv = dynamic_cast<RouteTimeAxisView*> (clicked_axisview);
 
        if (rtv) {
@@ -1615,54 +1755,6 @@ Editor::build_track_region_context_menu ()
        return &track_region_context_menu;
 }
 
-Menu*
-Editor::build_track_crossfade_context_menu ()
-{
-       using namespace Menu_Helpers;
-       MenuList& edit_items  = track_crossfade_context_menu.items();
-       edit_items.clear ();
-
-       /* we might try to use items that are currently attached to a crossfade menu,
-          so clear that, too.
-       */
-       track_region_context_menu.items().clear ();
-
-       AudioTimeAxisView* atv = dynamic_cast<AudioTimeAxisView*> (clicked_axisview);
-
-       if (atv) {
-               boost::shared_ptr<Track> tr;
-               boost::shared_ptr<Playlist> pl;
-               boost::shared_ptr<AudioPlaylist> apl;
-
-               if ((tr = atv->track()) && ((pl = tr->playlist()) != 0) && ((apl = boost::dynamic_pointer_cast<AudioPlaylist> (pl)) != 0)) {
-
-                       AudioPlaylist::Crossfades xfades;
-                       framepos_t where;
-                       bool ignored;
-
-                       /* The xfade menu is a bit of a special case, as we always use the mouse position
-                          to decide whether or not to display it (rather than the edit point).  No particularly
-                          strong reasons for this, other than it is a bit surprising to right-click on a xfade
-                          and not get a menu.
-                       */
-                       mouse_frame (where, ignored);
-                       apl->crossfades_at (where, xfades);
-
-                       bool const many = xfades.size() > 1;
-
-                       for (AudioPlaylist::Crossfades::iterator i = xfades.begin(); i != xfades.end(); ++i) {
-                               add_crossfade_context_items (atv->audio_view(), (*i), edit_items, many);
-                       }
-
-                       add_region_context_items (edit_items, tr);
-               }
-       }
-
-       add_dstream_context_items (edit_items);
-
-       return &track_crossfade_context_menu;
-}
-
 void
 Editor::analyze_region_selection ()
 {
@@ -1713,66 +1805,6 @@ Editor::build_track_selection_context_menu ()
        return &track_selection_context_menu;
 }
 
-/** Add context menu items relevant to crossfades.
- * @param edit_items List to add the items to.
- */
-void
-Editor::add_crossfade_context_items (AudioStreamView* /*view*/, boost::shared_ptr<Crossfade> xfade, Menu_Helpers::MenuList& edit_items, bool many)
-{
-       using namespace Menu_Helpers;
-       Menu     *xfade_menu = manage (new Menu);
-       MenuList& items       = xfade_menu->items();
-       xfade_menu->set_name ("ArdourContextMenu");
-       string str;
-
-       if (xfade->active()) {
-               str = _("Mute");
-       } else {
-               str = _("Unmute");
-       }
-
-       items.push_back (MenuElem (str, sigc::bind (sigc::mem_fun(*this, &Editor::toggle_xfade_active), boost::weak_ptr<Crossfade> (xfade))));
-       items.push_back (MenuElem (_("Edit..."), sigc::bind (sigc::mem_fun(*this, &Editor::edit_xfade), boost::weak_ptr<Crossfade> (xfade))));
-
-       if (xfade->can_follow_overlap()) {
-
-               if (xfade->following_overlap()) {
-                       str = _("Convert to Short");
-               } else {
-                       str = _("Convert to Full");
-               }
-
-               items.push_back (MenuElem (str, sigc::bind (sigc::mem_fun(*this, &Editor::toggle_xfade_length), xfade)));
-       }
-
-       if (many) {
-               str = xfade->out()->name();
-               str += "->";
-               str += xfade->in()->name();
-       } else {
-               str = _("Crossfade");
-       }
-
-       edit_items.push_back (MenuElem (str, *xfade_menu));
-       edit_items.push_back (SeparatorElem());
-}
-
-void
-Editor::xfade_edit_left_region ()
-{
-       if (clicked_crossfadeview) {
-               clicked_crossfadeview->left_view.show_region_editor ();
-       }
-}
-
-void
-Editor::xfade_edit_right_region ()
-{
-       if (clicked_crossfadeview) {
-               clicked_crossfadeview->right_view.show_region_editor ();
-       }
-}
-
 void
 Editor::add_region_context_items (Menu_Helpers::MenuList& edit_items, boost::shared_ptr<Track> track)
 {
@@ -1804,18 +1836,11 @@ Editor::add_region_context_items (Menu_Helpers::MenuList& edit_items, boost::sha
                _popup_region_menu_item->set_label (menu_item_name);
        }
 
-       /* Use the mouse position rather than the edit point to decide whether to show the `choose top region'
-          dialogue.  If we use the edit point it gets a bit messy because the user still has to click over
-          *some* region in order to get the region context menu stuff to be displayed at all.
-       */
-
-       framepos_t mouse;
-       bool ignored;
-       mouse_frame (mouse, ignored);
+       const framepos_t position = get_preferred_edit_position (false, true);
 
        edit_items.push_back (*_popup_region_menu_item);
-       if (track->playlist()->count_regions_at (mouse) > 1 && (layering_order_editor == 0 || !layering_order_editor->is_visible ())) {
-               edit_items.push_back (*manage (_region_actions->get_action ("choose-top-region")->create_menu_item ()));
+       if (track->playlist()->count_regions_at (position) > 1 && (layering_order_editor == 0 || !layering_order_editor->is_visible ())) {
+               edit_items.push_back (*manage (_region_actions->get_action ("choose-top-region-context-menu")->create_menu_item ()));
        }
        edit_items.push_back (SeparatorElem());
 }
@@ -1943,7 +1968,7 @@ Editor::add_dstream_context_items (Menu_Helpers::MenuList& edit_items)
 
        cutnpaste_items.push_back (MenuElem (_("Cut"), sigc::mem_fun(*this, &Editor::cut)));
        cutnpaste_items.push_back (MenuElem (_("Copy"), sigc::mem_fun(*this, &Editor::copy)));
-       cutnpaste_items.push_back (MenuElem (_("Paste"), sigc::bind (sigc::mem_fun(*this, &Editor::paste), 1.0f)));
+       cutnpaste_items.push_back (MenuElem (_("Paste"), sigc::bind (sigc::mem_fun(*this, &Editor::paste), 1.0f, true)));
 
        cutnpaste_items.push_back (SeparatorElem());
 
@@ -1965,10 +1990,10 @@ Editor::add_dstream_context_items (Menu_Helpers::MenuList& edit_items)
        nudge_menu->set_name ("ArdourContextMenu");
 
        edit_items.push_back (SeparatorElem());
-       nudge_items.push_back (MenuElem (_("Nudge Entire Track Forward"), (sigc::bind (sigc::mem_fun(*this, &Editor::nudge_track), false, true))));
-       nudge_items.push_back (MenuElem (_("Nudge Track After Edit Point Forward"), (sigc::bind (sigc::mem_fun(*this, &Editor::nudge_track), true, true))));
-       nudge_items.push_back (MenuElem (_("Nudge Entire Track Backward"), (sigc::bind (sigc::mem_fun(*this, &Editor::nudge_track), false, false))));
-       nudge_items.push_back (MenuElem (_("Nudge Track After Edit Point Backward"), (sigc::bind (sigc::mem_fun(*this, &Editor::nudge_track), true, false))));
+       nudge_items.push_back (MenuElem (_("Nudge Entire Track Later"), (sigc::bind (sigc::mem_fun(*this, &Editor::nudge_track), false, true))));
+       nudge_items.push_back (MenuElem (_("Nudge Track After Edit Point Later"), (sigc::bind (sigc::mem_fun(*this, &Editor::nudge_track), true, true))));
+       nudge_items.push_back (MenuElem (_("Nudge Entire Track Earlier"), (sigc::bind (sigc::mem_fun(*this, &Editor::nudge_track), false, false))));
+       nudge_items.push_back (MenuElem (_("Nudge Track After Edit Point Earlier"), (sigc::bind (sigc::mem_fun(*this, &Editor::nudge_track), true, false))));
 
        edit_items.push_back (MenuElem (_("Nudge"), *nudge_menu));
 }
@@ -2014,17 +2039,17 @@ Editor::add_bus_context_items (Menu_Helpers::MenuList& edit_items)
 
        cutnpaste_items.push_back (MenuElem (_("Cut"), sigc::mem_fun(*this, &Editor::cut)));
        cutnpaste_items.push_back (MenuElem (_("Copy"), sigc::mem_fun(*this, &Editor::copy)));
-       cutnpaste_items.push_back (MenuElem (_("Paste"), sigc::bind (sigc::mem_fun(*this, &Editor::paste), 1.0f)));
+       cutnpaste_items.push_back (MenuElem (_("Paste"), sigc::bind (sigc::mem_fun(*this, &Editor::paste), 1.0f, true)));
 
        Menu *nudge_menu = manage (new Menu());
        MenuList& nudge_items = nudge_menu->items();
        nudge_menu->set_name ("ArdourContextMenu");
 
        edit_items.push_back (SeparatorElem());
-       nudge_items.push_back (MenuElem (_("Nudge Entire Track Forward"), (sigc::bind (sigc::mem_fun(*this, &Editor::nudge_track), false, true))));
-       nudge_items.push_back (MenuElem (_("Nudge Track After Edit Point Forward"), (sigc::bind (sigc::mem_fun(*this, &Editor::nudge_track), true, true))));
-       nudge_items.push_back (MenuElem (_("Nudge Entire Track Backward"), (sigc::bind (sigc::mem_fun(*this, &Editor::nudge_track), false, false))));
-       nudge_items.push_back (MenuElem (_("Nudge Track After Edit Point Backward"), (sigc::bind (sigc::mem_fun(*this, &Editor::nudge_track), true, false))));
+       nudge_items.push_back (MenuElem (_("Nudge Entire Track Later"), (sigc::bind (sigc::mem_fun(*this, &Editor::nudge_track), false, true))));
+       nudge_items.push_back (MenuElem (_("Nudge Track After Edit Point Later"), (sigc::bind (sigc::mem_fun(*this, &Editor::nudge_track), true, true))));
+       nudge_items.push_back (MenuElem (_("Nudge Entire Track Earlier"), (sigc::bind (sigc::mem_fun(*this, &Editor::nudge_track), false, false))));
+       nudge_items.push_back (MenuElem (_("Nudge Track After Edit Point Earlier"), (sigc::bind (sigc::mem_fun(*this, &Editor::nudge_track), true, false))));
 
        edit_items.push_back (MenuElem (_("Nudge"), *nudge_menu));
 }
@@ -2062,6 +2087,8 @@ Editor::set_snap_to (SnapType st)
        instant_save ();
 
        switch (_snap_type) {
+       case SnapToBeatDiv128:
+       case SnapToBeatDiv64:
        case SnapToBeatDiv32:
        case SnapToBeatDiv28:
        case SnapToBeatDiv24:
@@ -2220,7 +2247,7 @@ Editor::set_state (const XMLNode& node, int /*version*/)
        }
 
        if ((prop = node.property ("zoom-focus"))) {
-               set_zoom_focus ((ZoomFocus) atoi (prop->value()));
+               set_zoom_focus ((ZoomFocus) string_2_enum (prop->value(), zoom_focus));
        }
 
        if ((prop = node.property ("zoom"))) {
@@ -2230,11 +2257,27 @@ Editor::set_state (const XMLNode& node, int /*version*/)
        }
 
        if ((prop = node.property ("snap-to"))) {
-               set_snap_to ((SnapType) atoi (prop->value()));
+               set_snap_to ((SnapType) string_2_enum (prop->value(), _snap_type));
        }
 
        if ((prop = node.property ("snap-mode"))) {
-               set_snap_mode ((SnapMode) atoi (prop->value()));
+               set_snap_mode ((SnapMode) string_2_enum (prop->value(), _snap_mode));
+       }
+
+       if ((prop = node.property ("internal-snap-to"))) {
+               internal_snap_type = (SnapType) string_2_enum (prop->value(), internal_snap_type);
+       }
+
+       if ((prop = node.property ("internal-snap-mode"))) {
+               internal_snap_mode = (SnapMode) string_2_enum (prop->value(), internal_snap_mode);
+       }
+
+       if ((prop = node.property ("pre-internal-snap-to"))) {
+               pre_internal_snap_type = (SnapType) string_2_enum (prop->value(), pre_internal_snap_type);
+       }
+
+       if ((prop = node.property ("pre-internal-snap-mode"))) {
+               pre_internal_snap_mode = (SnapMode) string_2_enum (prop->value(), pre_internal_snap_mode);
        }
 
        if ((prop = node.property ("mouse-mode"))) {
@@ -2247,6 +2290,9 @@ Editor::set_state (const XMLNode& node, int /*version*/)
        if ((prop = node.property ("left-frame")) != 0) {
                framepos_t pos;
                if (sscanf (prop->value().c_str(), "%" PRId64, &pos) == 1) {
+                       if (pos < 0) {
+                               pos = 0;
+                       }
                        reset_x_origin (pos);
                }
        }
@@ -2266,7 +2312,7 @@ Editor::set_state (const XMLNode& node, int /*version*/)
        }
 
        if ((prop = node.property ("join-object-range"))) {
-               join_object_range_button.set_active (string_is_affirmative (prop->value ()));
+               ActionManager::set_toggle_action ("MouseMode", "set-mouse-mode-object-range", string_is_affirmative (prop->value ()));
        }
 
        if ((prop = node.property ("edit-point"))) {
@@ -2314,12 +2360,6 @@ Editor::set_state (const XMLNode& node, int /*version*/)
                _regions->reset_sort_type ((RegionListSortType) string_2_enum (prop->value(), st), true);
        }
 
-       if ((prop = node.property ("xfades-visible"))) {
-               bool yn = string_is_affirmative (prop->value());
-               _xfade_visibility = !yn;
-               // set_xfade_visibility (yn);
-       }
-
        if ((prop = node.property ("show-editor-mixer"))) {
 
                Glib::RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("show-editor-mixer"));
@@ -2368,6 +2408,22 @@ Editor::set_state (const XMLNode& node, int /*version*/)
                _regions->set_state (**i);
        }
 
+       if ((prop = node.property ("maximised"))) {
+               bool yn = string_is_affirmative (prop->value());
+               if (yn) {
+                       ActionManager::do_action ("Common", "ToggleMaximalEditor");
+               }
+       }
+
+       if ((prop = node.property ("nudge-clock-value"))) {
+               framepos_t f;
+               sscanf (prop->value().c_str(), "%" PRId64, &f);
+               nudge_clock->set (f);
+       } else {
+               nudge_clock->set_mode (AudioClock::Timecode);
+               nudge_clock->set (_session->frame_rate() * 5, true);
+       }
+
        return 0;
 }
 
@@ -2400,8 +2456,6 @@ Editor::get_state ()
                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",pre_maximal_horizontal_pane_position);
-               geometry->add_property("pre-maximal-horizontal-pane-position", string(buf));
                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));
 
@@ -2410,15 +2464,15 @@ Editor::get_state ()
 
        maybe_add_mixer_strip_width (*node);
 
-       snprintf (buf, sizeof(buf), "%d", (int) zoom_focus);
-       node->add_property ("zoom-focus", buf);
+       node->add_property ("zoom-focus", enum_2_string (zoom_focus));
        snprintf (buf, sizeof(buf), "%f", frames_per_unit);
        node->add_property ("zoom", buf);
-       snprintf (buf, sizeof(buf), "%d", (int) _snap_type);
-       node->add_property ("snap-to", buf);
-       snprintf (buf, sizeof(buf), "%d", (int) _snap_mode);
-       node->add_property ("snap-mode", buf);
-
+       node->add_property ("snap-to", enum_2_string (_snap_type));
+       node->add_property ("snap-mode", enum_2_string (_snap_mode));
+       node->add_property ("internal-snap-to", enum_2_string (internal_snap_type));
+       node->add_property ("internal-snap-mode", enum_2_string (internal_snap_mode));
+       node->add_property ("pre-internal-snap-to", enum_2_string (pre_internal_snap_type));
+       node->add_property ("pre-internal-snap-mode", enum_2_string (pre_internal_snap_mode));
        node->add_property ("edit-point", enum_2_string (_edit_point));
 
        snprintf (buf, sizeof (buf), "%" PRIi64, playhead_cursor->current_frame);
@@ -2429,13 +2483,13 @@ Editor::get_state ()
        node->add_property ("y-origin", buf);
 
        node->add_property ("show-measures", _show_measures ? "yes" : "no");
+       node->add_property ("maximised", _maximised ? "yes" : "no");
        node->add_property ("follow-playhead", _follow_playhead ? "yes" : "no");
        node->add_property ("stationary-playhead", _stationary_playhead ? "yes" : "no");
-       node->add_property ("xfades-visible", _xfade_visibility ? "yes" : "no");
        node->add_property ("region-list-sort-type", enum_2_string (_regions->sort_type ()));
        node->add_property ("mouse-mode", enum2str(mouse_mode));
        node->add_property ("internal-edit", _internal_editing ? "yes" : "no");
-       node->add_property ("join-object-range", join_object_range_button.get_active () ? "yes" : "no");
+       node->add_property ("join-object-range", smart_mode_action->get_active () ? "yes" : "no");
 
        Glib::RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("show-editor-mixer"));
        if (act) {
@@ -2463,6 +2517,9 @@ Editor::get_state ()
        node->add_child_nocopy (selection->get_state ());
        node->add_child_nocopy (_regions->get_state ());
 
+       snprintf (buf, sizeof (buf), "%" PRId64, nudge_clock->current_duration());
+       node->add_property ("nudge-clock-value", buf);
+
        return *node;
 }
 
@@ -2471,14 +2528,14 @@ Editor::get_state ()
 /** @param y y offset from the top of all trackviews.
  *  @return pair: TimeAxisView that y is over, layer index.
  *  TimeAxisView may be 0.  Layer index is the layer number if the TimeAxisView is valid and is
- *  in stacked region display mode, otherwise 0.
+ *  in stacked or expanded region display mode, otherwise 0.
  */
-std::pair<TimeAxisView *, layer_t>
+std::pair<TimeAxisView *, double>
 Editor::trackview_by_y_position (double y)
 {
        for (TrackViewList::iterator iter = track_views.begin(); iter != track_views.end(); ++iter) {
 
-               std::pair<TimeAxisView*, int> const r = (*iter)->covers_y_position (y);
+               std::pair<TimeAxisView*, double> const r = (*iter)->covers_y_position (y);
                if (r.first) {
                        return r;
                }
@@ -2624,6 +2681,12 @@ Editor::snap_to_internal (framepos_t& start, int32_t direction, bool for_mark)
                start = _session->tempo_map().round_to_beat (start, direction);
                break;
 
+       case SnapToBeatDiv128:
+               start = _session->tempo_map().round_to_beat_subdivision (start, 128, direction);
+               break;
+       case SnapToBeatDiv64:
+               start = _session->tempo_map().round_to_beat_subdivision (start, 64, direction);
+               break;
        case SnapToBeatDiv32:
                start = _session->tempo_map().round_to_beat_subdivision (start, 32, direction);
                break;
@@ -2756,27 +2819,51 @@ Editor::setup_toolbar ()
        mode_box->set_border_width (2);
        mode_box->set_spacing(4);
 
-       /* table containing mode buttons */
-
-       HBox* mouse_mode_button_box = manage (new HBox ());
-
-       if (Profile->get_sae()) {
-               mouse_mode_button_box->pack_start (mouse_move_button);
-       } else {
-               mouse_mode_button_box->pack_start (mouse_move_button);
-               mouse_mode_button_box->pack_start (join_object_range_button);
-               mouse_mode_button_box->pack_start (mouse_select_button);
-       }
-
-       mouse_mode_button_box->pack_start (mouse_zoom_button);
-
-       if (!Profile->get_sae()) {
-               mouse_mode_button_box->pack_start (mouse_gain_button);
-       }
-
-       mouse_mode_button_box->pack_start (mouse_timefx_button);
-       mouse_mode_button_box->pack_start (mouse_audition_button);
-       mouse_mode_button_box->pack_start (internal_edit_button);
+       HBox* mouse_mode_box = manage (new HBox);
+       HBox* mouse_mode_hbox1 = manage (new HBox);
+       HBox* mouse_mode_hbox2 = manage (new HBox);
+       VBox* mouse_mode_vbox1 = manage (new VBox);
+       VBox* mouse_mode_vbox2 = manage (new VBox);
+       Alignment* mouse_mode_align1 = manage (new Alignment);
+       Alignment* mouse_mode_align2 = manage (new Alignment);
+
+       Glib::RefPtr<SizeGroup> mouse_mode_size_group = SizeGroup::create (SIZE_GROUP_BOTH);
+       mouse_mode_size_group->add_widget (mouse_move_button);
+       mouse_mode_size_group->add_widget (mouse_select_button);
+       mouse_mode_size_group->add_widget (mouse_zoom_button);
+       mouse_mode_size_group->add_widget (mouse_gain_button);
+       mouse_mode_size_group->add_widget (mouse_timefx_button);
+       mouse_mode_size_group->add_widget (mouse_audition_button);
+       mouse_mode_size_group->add_widget (mouse_draw_button);
+       mouse_mode_size_group->add_widget (internal_edit_button);
+
+       /* make them just a bit bigger */
+       mouse_move_button.set_size_request (-1, 25);
+
+       smart_mode_joiner = manage (new ButtonJoiner ("mouse mode button", mouse_move_button, mouse_select_button, true));
+       smart_mode_joiner->set_related_action (smart_mode_action);
+
+       mouse_mode_hbox2->set_spacing (2);
+       mouse_mode_box->set_spacing (2);
+
+       mouse_mode_hbox1->pack_start (*smart_mode_joiner, false, false);
+       mouse_mode_hbox2->pack_start (mouse_zoom_button, false, false);
+       mouse_mode_hbox2->pack_start (mouse_gain_button, false, false);
+       mouse_mode_hbox2->pack_start (mouse_timefx_button, false, false);
+       mouse_mode_hbox2->pack_start (mouse_audition_button, false, false);
+       mouse_mode_hbox2->pack_start (mouse_draw_button, false, false);
+       mouse_mode_hbox2->pack_start (internal_edit_button, false, false);
+
+       mouse_mode_vbox1->pack_start (*mouse_mode_hbox1, false, false);
+       mouse_mode_vbox2->pack_start (*mouse_mode_hbox2, false, false);
+
+       mouse_mode_align1->add (*mouse_mode_vbox1);
+       mouse_mode_align1->set (0.5, 1.0, 0.0, 0.0);
+       mouse_mode_align2->add (*mouse_mode_vbox2);
+       mouse_mode_align2->set (0.5, 1.0, 0.0, 0.0);
+
+       mouse_mode_box->pack_start (*mouse_mode_align1, false, false);
+       mouse_mode_box->pack_start (*mouse_mode_align2, false, false);
 
        edit_mode_strings.push_back (edit_mode_to_string (Slide));
        if (!Profile->get_sae()) {
@@ -2785,11 +2872,11 @@ Editor::setup_toolbar ()
        edit_mode_strings.push_back (edit_mode_to_string (Lock));
 
        edit_mode_selector.set_name ("EditModeSelector");
-       set_popdown_strings (edit_mode_selector, edit_mode_strings, true);
+       set_popdown_strings (edit_mode_selector, edit_mode_strings);
        edit_mode_selector.signal_changed().connect (sigc::mem_fun(*this, &Editor::edit_mode_selection_done));
 
-       mode_box->pack_start (edit_mode_selector);
-       mode_box->pack_start (*mouse_mode_button_box);
+       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");
@@ -2808,64 +2895,46 @@ Editor::setup_toolbar ()
        _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));
 
-       mouse_move_button.set_mode (false);
-       mouse_select_button.set_mode (false);
-       mouse_gain_button.set_mode (false);
-       mouse_zoom_button.set_mode (false);
-       mouse_timefx_button.set_mode (false);
-       mouse_audition_button.set_mode (false);
-       join_object_range_button.set_mode (false);
-
-       mouse_move_button.set_name ("MouseModeButton");
-       mouse_select_button.set_name ("MouseModeButton");
-       mouse_gain_button.set_name ("MouseModeButton");
-       mouse_zoom_button.set_name ("MouseModeButton");
-       mouse_timefx_button.set_name ("MouseModeButton");
-       mouse_audition_button.set_name ("MouseModeButton");
-       internal_edit_button.set_name ("MouseModeButton");
-       join_object_range_button.set_name ("MouseModeButton");
-
-       mouse_move_button.unset_flags (CAN_FOCUS);
-       mouse_select_button.unset_flags (CAN_FOCUS);
-       mouse_gain_button.unset_flags (CAN_FOCUS);
-       mouse_zoom_button.unset_flags (CAN_FOCUS);
-       mouse_timefx_button.unset_flags (CAN_FOCUS);
-       mouse_audition_button.unset_flags (CAN_FOCUS);
-       internal_edit_button.unset_flags (CAN_FOCUS);
-       join_object_range_button.unset_flags (CAN_FOCUS);
-
        /* Zoom */
 
-       _zoom_box.set_spacing (1);
-       _zoom_box.set_border_width (0);
+       _zoom_box.set_spacing (2);
+       _zoom_box.set_border_width (2);
+
+       RefPtr<Action> act;
 
-       zoom_in_button.set_name ("EditorTimeButton");
-       zoom_in_button.set_image (*(manage (new Image (::get_icon ("zoom_in")))));
-       zoom_in_button.signal_clicked().connect (sigc::bind (sigc::mem_fun(*this, &Editor::temporal_zoom_step), false));
+       zoom_in_button.set_name ("zoom button");
+       zoom_in_button.set_image (::get_icon ("zoom_in"));
+       zoom_in_button.set_tweaks (ArdourButton::ShowClick);
+       act = ActionManager::get_action (X_("Editor"), X_("temporal-zoom-in"));
+       zoom_in_button.set_related_action (act);
 
-       zoom_out_button.set_name ("EditorTimeButton");
-       zoom_out_button.set_image (*(manage (new Image (::get_icon ("zoom_out")))));
-       zoom_out_button.signal_clicked().connect (sigc::bind (sigc::mem_fun(*this, &Editor::temporal_zoom_step), true));
+       zoom_out_button.set_name ("zoom button");
+       zoom_out_button.set_image (::get_icon ("zoom_out"));
+       zoom_out_button.set_tweaks (ArdourButton::ShowClick);
+       act = ActionManager::get_action (X_("Editor"), X_("temporal-zoom-out"));
+       zoom_out_button.set_related_action (act);
 
-       zoom_out_full_button.set_name ("EditorTimeButton");
-       zoom_out_full_button.set_image (*(manage (new Image (::get_icon ("zoom_full")))));
-       zoom_out_full_button.signal_clicked().connect (sigc::mem_fun(*this, &Editor::temporal_zoom_session));
+       zoom_out_full_button.set_name ("zoom button");
+       zoom_out_full_button.set_image (::get_icon ("zoom_full"));
+       zoom_out_full_button.set_tweaks (ArdourButton::ShowClick);
+       act = ActionManager::get_action (X_("Editor"), X_("zoom-to-session"));
+       zoom_out_full_button.set_related_action (act);
 
        zoom_focus_selector.set_name ("ZoomFocusSelector");
-       set_popdown_strings (zoom_focus_selector, zoom_focus_strings, true);
+       set_popdown_strings (zoom_focus_selector, zoom_focus_strings);
        zoom_focus_selector.signal_changed().connect (sigc::mem_fun(*this, &Editor::zoom_focus_selection_done));
 
        _zoom_box.pack_start (zoom_out_button, false, false);
        _zoom_box.pack_start (zoom_in_button, false, false);
        _zoom_box.pack_start (zoom_out_full_button, false, false);
 
-       _zoom_box.pack_start (zoom_focus_selector);
+       _zoom_box.pack_start (zoom_focus_selector, false, false);
 
        /* Track zoom buttons */
        tav_expand_button.set_name ("TrackHeightButton");
        tav_expand_button.set_size_request (-1, 20);
        tav_expand_button.add (*(manage (new Image (::get_icon ("tav_exp")))));
-       RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("expand-tracks"));
+       act = ActionManager::get_action (X_("Editor"), X_("expand-tracks"));
        act->connect_proxy (tav_expand_button);
 
        tav_shrink_button.set_name ("TrackHeightButton");
@@ -2892,15 +2961,15 @@ Editor::setup_toolbar ()
        snap_box.set_border_width (2);
 
        snap_type_selector.set_name ("SnapTypeSelector");
-       set_popdown_strings (snap_type_selector, snap_type_strings, true);
+       set_popdown_strings (snap_type_selector, snap_type_strings);
        snap_type_selector.signal_changed().connect (sigc::mem_fun(*this, &Editor::snap_type_selection_done));
 
        snap_mode_selector.set_name ("SnapModeSelector");
-       set_popdown_strings (snap_mode_selector, snap_mode_strings, true);
+       set_popdown_strings (snap_mode_selector, snap_mode_strings);
        snap_mode_selector.signal_changed().connect (sigc::mem_fun(*this, &Editor::snap_mode_selection_done));
 
        edit_point_selector.set_name ("EditPointSelector");
-       set_popdown_strings (edit_point_selector, edit_point_strings, true);
+       set_popdown_strings (edit_point_selector, edit_point_strings);
        edit_point_selector.signal_changed().connect (sigc::mem_fun(*this, &Editor::edit_point_selection_done));
 
        snap_box.pack_start (snap_mode_selector, false, false);
@@ -2910,7 +2979,7 @@ Editor::setup_toolbar ()
        /* Nudge */
 
        HBox *nudge_box = manage (new HBox);
-       nudge_box->set_spacing(1);
+       nudge_box->set_spacing (2);
        nudge_box->set_border_width (2);
 
        nudge_forward_button.signal_button_release_event().connect (sigc::mem_fun(*this, &Editor::nudge_forward_release), false);
@@ -2970,23 +3039,23 @@ Editor::setup_toolbar ()
        toolbar_frame.set_shadow_type (SHADOW_OUT);
        toolbar_frame.set_name ("BaseFrame");
        toolbar_frame.add (_toolbar_viewport);
-
-        DPIReset.connect (sigc::mem_fun (*this, &Editor::resize_text_widgets));
 }
 
 void
 Editor::setup_tooltips ()
 {
        ARDOUR_UI::instance()->set_tip (mouse_move_button, _("Select/Move Objects"));
+       ARDOUR_UI::instance()->set_tip (mouse_select_button, _("Select/Move Ranges"));
+       ARDOUR_UI::instance()->set_tip (mouse_draw_button, _("Draw/Edit MIDI Notes"));
        ARDOUR_UI::instance()->set_tip (mouse_gain_button, _("Draw Region Gain"));
        ARDOUR_UI::instance()->set_tip (mouse_zoom_button, _("Select Zoom Range"));
        ARDOUR_UI::instance()->set_tip (mouse_timefx_button, _("Stretch/Shrink Regions and MIDI Notes"));
        ARDOUR_UI::instance()->set_tip (mouse_audition_button, _("Listen to Specific Regions"));
-       ARDOUR_UI::instance()->set_tip (join_object_range_button, _("Select/Move Objects or Ranges"));
+       ARDOUR_UI::instance()->set_tip (smart_mode_joiner, _("Smart Mode (Select/Move Objects + Ranges)"));
        ARDOUR_UI::instance()->set_tip (internal_edit_button, _("Edit Region Contents (e.g. notes)"));
        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 Forwards"));
-       ARDOUR_UI::instance()->set_tip (nudge_backward_button, _("Nudge Region/Selection Backwards"));
+       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_out_full_button, _("Zoom to Session"));
@@ -2996,39 +3065,8 @@ Editor::setup_tooltips ()
        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 (midi_sound_notes, _("Sound Notes"));
-       ARDOUR_UI::instance()->set_tip (midi_panic_button, _("Send note off and reset controller messages on all MIDI channels"));
        ARDOUR_UI::instance()->set_tip (edit_mode_selector, _("Edit Mode"));
-}
-
-void
-Editor::midi_panic ()
-{
-       cerr << "MIDI panic\n";
-
-       if (_session) {
-               _session->midi_panic();
-       }
-}
-
-void
-Editor::setup_midi_toolbar ()
-{
-       RefPtr<Action> act;
-
-       /* Midi sound notes */
-       midi_sound_notes.add (*(manage (new Image (::get_icon("midi_sound_notes")))));
-       midi_sound_notes.unset_flags (CAN_FOCUS);
-       midi_sound_notes.set_name (X_("MidiSoundNotesButton"));
-
-       /* Panic */
-
-       act = ActionManager::get_action (X_("MIDI"), X_("panic"));
-       midi_panic_button.set_name("MidiPanicButton");
-       act->connect_proxy (midi_panic_button);
-
-       panic_box.pack_start (midi_sound_notes , true, true);
-       panic_box.pack_start (midi_panic_button, true, true);
+       ARDOUR_UI::instance()->set_tip (nudge_clock, _("Nudge Clock\n(controls distance used to nudge regions and selections)"));
 }
 
 int
@@ -3111,14 +3149,13 @@ Editor::convert_drop_to_paths (
 
                if ((*i).substr (0,7) == "file://") {
 
-                       string p = *i;
-                       PBD::url_decode (p);
+                       string const p = PBD::url_decode (*i);
 
                        // scan forward past three slashes
 
                        string::size_type slashcnt = 0;
                        string::size_type n = 0;
-                       string::iterator x = p.begin();
+                       string::const_iterator x = p.begin();
 
                        while (slashcnt < 3 && x != p.end()) {
                                if ((*x) == '/') {
@@ -3162,16 +3199,6 @@ Editor::map_transport_state ()
 
 /* UNDO/REDO */
 
-Editor::State::State (PublicEditor const * e)
-{
-       selection = new Selection (e);
-}
-
-Editor::State::~State ()
-{
-       delete selection;
-}
-
 void
 Editor::begin_reversible_command (string name)
 {
@@ -3203,9 +3230,9 @@ Editor::history_changed ()
 
        if (undo_action && _session) {
                if (_session->undo_depth() == 0) {
-                       label = _("Undo");
+                       label = S_("Command|Undo");
                } else {
-                       label = string_compose(_("Undo (%1)"), _session->next_undo());
+                       label = string_compose(S_("Command|Undo (%1)"), _session->next_undo());
                }
                undo_action->property_label() = label;
        }
@@ -3359,6 +3386,10 @@ Editor::snap_type_selection_done ()
                snaptype = SnapToBeatDiv28;
        } else if (choice == _("Beats/32")) {
                snaptype = SnapToBeatDiv32;
+       } else if (choice == _("Beats/64")) {
+               snaptype = SnapToBeatDiv64;
+       } else if (choice == _("Beats/128")) {
+               snaptype = SnapToBeatDiv128;
        } else if (choice == _("Beats")) {
                snaptype = SnapToBeat;
        } else if (choice == _("Bars")) {
@@ -3558,10 +3589,6 @@ Editor::pane_allocation_handler (Allocation &alloc, Paned* which)
                        _notebook_shrunk = string_is_affirmative (prop->value ());
                }
 
-               if (geometry && (prop = geometry->property ("pre-maximal-horizontal-pane-position"))) {
-                       pre_maximal_horizontal_pane_position = atoi (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);
@@ -3572,9 +3599,6 @@ Editor::pane_allocation_handler (Allocation &alloc, Paned* which)
 
                if (GTK_WIDGET(edit_pane.gobj())->allocation.width > pos) {
                        edit_pane.set_position (pos);
-                       if (pre_maximal_horizontal_pane_position == 0) {
-                               pre_maximal_horizontal_pane_position = pos;
-                       }
                }
 
                done = (Pane) (done | Horizontal);
@@ -3590,12 +3614,12 @@ Editor::pane_allocation_handler (Allocation &alloc, Paned* which)
                        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);
-                       pre_maximal_vertical_pane_position = pos;
                }
 
                done = (Pane) (done | Vertical);
@@ -3605,7 +3629,9 @@ Editor::pane_allocation_handler (Allocation &alloc, Paned* which)
 void
 Editor::detach_tearoff (Box* /*b*/, Window* /*w*/)
 {
-       if (_tools_tearoff->torn_off() && _mouse_mode_tearoff->torn_off()) {
+       if ((_tools_tearoff->torn_off() || !_tools_tearoff->visible()) && 
+           (_mouse_mode_tearoff->torn_off() || !_mouse_mode_tearoff->visible()) && 
+           (_zoom_tearoff->torn_off() || !_zoom_tearoff->visible())) {
                top_hbox.remove (toolbar_frame);
        }
 }
@@ -3681,51 +3707,6 @@ Editor::set_stationary_playhead (bool yn)
        }
 }
 
-void
-Editor::toggle_xfade_active (boost::weak_ptr<Crossfade> wxfade)
-{
-       boost::shared_ptr<Crossfade> xfade (wxfade.lock());
-       if (xfade) {
-               xfade->set_active (!xfade->active());
-       }
-}
-
-void
-Editor::toggle_xfade_length (boost::weak_ptr<Crossfade> wxfade)
-{
-       boost::shared_ptr<Crossfade> xfade (wxfade.lock());
-       if (xfade) {
-               xfade->set_follow_overlap (!xfade->following_overlap());
-       }
-}
-
-void
-Editor::edit_xfade (boost::weak_ptr<Crossfade> wxfade)
-{
-       boost::shared_ptr<Crossfade> xfade (wxfade.lock());
-
-       if (!xfade) {
-               return;
-       }
-
-       CrossfadeEditor cew (_session, xfade, xfade->fade_in().get_min_y(), 1.0);
-
-       ensure_float (cew);
-
-       switch (cew.run ()) {
-       case RESPONSE_ACCEPT:
-               break;
-       default:
-               return;
-       }
-
-       cew.apply ();
-       PropertyChange all_crossfade_properties;
-       all_crossfade_properties.add (ARDOUR::Properties::active);
-       all_crossfade_properties.add (ARDOUR::Properties::follow_overlap);
-       xfade->PropertyChanged (all_crossfade_properties);
-}
-
 PlaylistSelector&
 Editor::playlist_selector () const
 {
@@ -3742,6 +3723,12 @@ Editor::get_grid_type_as_beats (bool& success, framepos_t position)
                return 1.0;
                break;
 
+       case SnapToBeatDiv128:
+               return 1.0/128.0;
+               break;
+       case SnapToBeatDiv64:
+               return 1.0/64.0;
+               break;
        case SnapToBeatDiv32:
                return 1.0/32.0;
                break;
@@ -3790,7 +3777,7 @@ Editor::get_grid_type_as_beats (bool& success, framepos_t position)
 
        case SnapToBar:
                if (_session) {
-                       return _session->tempo_map().meter_at (position).beats_per_bar();
+                       return _session->tempo_map().meter_at (position).divisions_per_bar();
                }
                break;
 
@@ -3944,95 +3931,40 @@ Editor::session_state_saved (string)
 void
 Editor::maximise_editing_space ()
 {
-       _mouse_mode_tearoff->set_visible (false);
-       _tools_tearoff->set_visible (false);
-       _zoom_tearoff->set_visible (false);
-
-       pre_maximal_horizontal_pane_position = edit_pane.get_position ();
-       pre_maximal_vertical_pane_position = editor_summary_pane.get_position ();
-       pre_maximal_editor_width = this->get_width ();
-       pre_maximal_editor_height = this->get_height ();
-
-       if (post_maximal_horizontal_pane_position == 0) {
-               post_maximal_horizontal_pane_position = edit_pane.get_width();
-       }
-
-       if (post_maximal_vertical_pane_position == 0) {
-               post_maximal_vertical_pane_position = editor_summary_pane.get_height();
+       if (_maximised) {
+               return;
        }
 
        fullscreen ();
 
-       if (post_maximal_editor_width) {
-               edit_pane.set_position (post_maximal_horizontal_pane_position -
-                       abs(post_maximal_editor_width - pre_maximal_editor_width));
-       } else {
-               edit_pane.set_position (post_maximal_horizontal_pane_position);
-       }
-
-       /* Hack: we must do this in an idle handler for it to work; see comment in
-          restore_editing_space()
-       */
-          
-       Glib::signal_idle().connect (
-               sigc::bind (
-                       sigc::mem_fun (*this, &Editor::idle_reset_vertical_pane_position),
-                       post_maximal_vertical_pane_position
-                       )
-               );
-
-       if (Config->get_keep_tearoffs()) {
-               _mouse_mode_tearoff->set_visible (true);
-               _tools_tearoff->set_visible (true);
-               if (Config->get_show_zoom_tools ()) {
-                       _zoom_tearoff->set_visible (true);
-               }
+       if (!Config->get_keep_tearoffs()) {
+               /* these calls will leave each tearoff visible *if* it is torn off, 
+                  but invisible otherwise.
+               */
+               _mouse_mode_tearoff->set_visible (false);
+               _tools_tearoff->set_visible (false);
+               _zoom_tearoff->set_visible (false);
        }
 
-}
-
-bool
-Editor::idle_reset_vertical_pane_position (int p)
-{
-       editor_summary_pane.set_position (p);
-       return false;
+       _maximised = true;
 }
 
 void
 Editor::restore_editing_space ()
 {
-       // user changed width/height of panes during fullscreen
-
-       if (post_maximal_horizontal_pane_position != edit_pane.get_position()) {
-               post_maximal_horizontal_pane_position = edit_pane.get_position();
-       }
-
-       if (post_maximal_vertical_pane_position != editor_summary_pane.get_position()) {
-               post_maximal_vertical_pane_position = editor_summary_pane.get_position();
+       if (!_maximised) {
+               return;
        }
 
        unfullscreen();
 
-       _mouse_mode_tearoff->set_visible (true);
-       _tools_tearoff->set_visible (true);
-       if (Config->get_show_zoom_tools ()) {
+       if (!Config->get_keep_tearoffs()) {
+               _mouse_mode_tearoff->set_visible (true);
+               _tools_tearoff->set_visible (true);
                _zoom_tearoff->set_visible (true);
        }
-       post_maximal_editor_width = this->get_width();
-       post_maximal_editor_height = this->get_height();
-
-       edit_pane.set_position (pre_maximal_horizontal_pane_position + abs(this->get_width() - pre_maximal_editor_width));
 
-       /* This is a bit of a hack, but it seems that if you set the vertical pane position
-          here it gets reset to some wrong value after this method has finished.  Doing
-          the setup in an idle callback seems to work.
-       */
-       Glib::signal_idle().connect (
-               sigc::bind (
-                       sigc::mem_fun (*this, &Editor::idle_reset_vertical_pane_position),
-                       pre_maximal_vertical_pane_position
-                       )
-               );
+       _maximised = false;
 }
 
 /**
@@ -4145,8 +4077,8 @@ Editor::reposition_and_zoom (framepos_t frame, double fpu)
        }
 }
 
-Editor::VisualState::VisualState ()
-       : gui_state (new GUIObjectState)
+Editor::VisualState::VisualState (bool with_tracks)
+       : gui_state (with_tracks ? new GUIObjectState : 0)
 {
 }
 
@@ -4158,14 +4090,14 @@ Editor::VisualState::~VisualState ()
 Editor::VisualState*
 Editor::current_visual_state (bool with_tracks)
 {
-       VisualState* vs = new VisualState;
+       VisualState* vs = new VisualState (with_tracks);
        vs->y_position = vertical_adjustment.get_value();
        vs->frames_per_unit = frames_per_unit;
        vs->leftmost_frame = leftmost_frame;
        vs->zoom_focus = zoom_focus;
 
        if (with_tracks) {      
-               *(vs->gui_state) = *ARDOUR_UI::instance()->gui_object_state;
+               *vs->gui_state = *ARDOUR_UI::instance()->gui_object_state;
        }
 
        return vs;
@@ -4178,10 +4110,12 @@ Editor::undo_visual_state ()
                return;
        }
 
-       redo_visual_stack.push_back (current_visual_state());
-
        VisualState* vs = undo_visual_stack.back();
        undo_visual_stack.pop_back();
+
+
+       redo_visual_stack.push_back (current_visual_state (vs ? vs->gui_state != 0 : false));
+
        use_visual_state (*vs);
 }
 
@@ -4192,10 +4126,11 @@ Editor::redo_visual_state ()
                return;
        }
 
-       undo_visual_stack.push_back (current_visual_state());
-
        VisualState* vs = redo_visual_stack.back();
        redo_visual_stack.pop_back();
+
+       undo_visual_stack.push_back (current_visual_state (vs ? vs->gui_state != 0 : false));
+
        use_visual_state (*vs);
 }
 
@@ -4212,7 +4147,7 @@ Editor::swap_visual_state ()
 void
 Editor::use_visual_state (VisualState& vs)
 {
-       no_save_visual = true;
+       PBD::Unwinder<bool> nsv (no_save_visual, true);
 
        _routes->suspend_redisplay ();
 
@@ -4221,16 +4156,16 @@ Editor::use_visual_state (VisualState& vs)
        set_zoom_focus (vs.zoom_focus);
        reposition_and_zoom (vs.leftmost_frame, vs.frames_per_unit);
        
-       *ARDOUR_UI::instance()->gui_object_state = *vs.gui_state;
-
-       for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {    
-               (*i)->reset_visual_state ();
+       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) {    
+                       (*i)->reset_visual_state ();
+               }
        }
 
        _routes->update_visibility ();
        _routes->resume_redisplay ();
-
-       no_save_visual = false;
 }
 
 void
@@ -4275,7 +4210,11 @@ Editor::post_zoom ()
                zoom_range_clock->set (frames);
        }
 
-       if (mouse_mode == MouseRange && selection->time.start () != selection->time.end_frame ()) {
+       bool const showing_time_selection =
+               mouse_mode == MouseRange ||
+               (mouse_mode == MouseObject && _join_object_range_state != JOIN_OBJECT_RANGE_NONE);
+
+       if (showing_time_selection && selection->time.start () != selection->time.end_frame ()) {
                for (TrackViewList::iterator i = selection->tracks.begin(); i != selection->tracks.end(); ++i) {
                        (*i)->reshow_selection (selection->time);
                }
@@ -4345,18 +4284,6 @@ Editor::idle_visual_changer ()
 
        double const last_time_origin = horizontal_position ();
 
-       if (p & VisualChange::TimeOrigin) {
-               /* This is a bit of a hack, but set_frames_per_unit
-                  below will (if called) end up with the
-                  CrossfadeViews looking at Editor::leftmost_frame,
-                  and if we're changing origin and zoom in the same
-                  operation it will be the wrong value unless we
-                  update it here.
-               */
-
-               leftmost_frame = pending_visual_change.time_origin;
-       }
-
        if (p & VisualChange::ZoomLevel) {
                set_frames_per_unit (pending_visual_change.frames_per_unit);
 
@@ -4391,24 +4318,23 @@ struct EditorOrderTimeAxisSorter {
 };
 
 void
-Editor::sort_track_selection (TrackViewList* sel)
+Editor::sort_track_selection (TrackViewList& sel)
 {
        EditorOrderTimeAxisSorter cmp;
-
-       if (sel) {
-               sel->sort (cmp);
-       } else {
-               selection->tracks.sort (cmp);
-       }
+       sel.sort (cmp);
 }
 
 framepos_t
-Editor::get_preferred_edit_position (bool ignore_playhead)
+Editor::get_preferred_edit_position (bool ignore_playhead, bool from_context_menu)
 {
        bool ignored;
        framepos_t where = 0;
        EditPoint ep = _edit_point;
 
+       if (from_context_menu && (ep == EditAtMouse)) {
+               return  event_frame (&context_click_event, 0, 0);
+       }
+
        if (entered_marker) {
                 DEBUG_TRACE (DEBUG::CutNPaste, string_compose ("GPEP: use entered marker @ %1\n", entered_marker->position()));
                return entered_marker->position();
@@ -4535,17 +4461,15 @@ Editor::get_regions_at (RegionSelection& rs, framepos_t where, const TrackViewLi
 
                        if ((tr = rtv->track()) && ((pl = tr->playlist()))) {
 
-                               Playlist::RegionList* regions = pl->regions_at (
+                               boost::shared_ptr<RegionList> regions = pl->regions_at (
                                                (framepos_t) floor ( (double) where * tr->speed()));
 
-                               for (Playlist::RegionList::iterator i = regions->begin(); i != regions->end(); ++i) {
+                               for (RegionList::iterator i = regions->begin(); i != regions->end(); ++i) {
                                        RegionView* rv = rtv->view()->find_view (*i);
                                        if (rv) {
                                                rs.add (rv);
                                        }
                                }
-
-                               delete regions;
                        }
                }
        }
@@ -4570,10 +4494,10 @@ Editor::get_regions_after (RegionSelection& rs, framepos_t where, const TrackVie
 
                        if ((tr = rtv->track()) && ((pl = tr->playlist()))) {
 
-                               Playlist::RegionList* regions = pl->regions_touched (
+                               boost::shared_ptr<RegionList> regions = pl->regions_touched (
                                        (framepos_t) floor ( (double)where * tr->speed()), max_framepos);
 
-                               for (Playlist::RegionList::iterator i = regions->begin(); i != regions->end(); ++i) {
+                               for (RegionList::iterator i = regions->begin(); i != regions->end(); ++i) {
 
                                        RegionView* rv = rtv->view()->find_view (*i);
 
@@ -4581,8 +4505,6 @@ Editor::get_regions_after (RegionSelection& rs, framepos_t where, const TrackVie
                                                rs.push_back (rv);
                                        }
                                }
-
-                               delete regions;
                        }
                }
        }
@@ -4605,16 +4527,15 @@ Editor::get_regions_from_selection ()
  *  the edit point is `mouse' and the mouse is over an unselected
  *  region.  In this case, start with just that region.
  *
- *  Then, make an initial track list of the tracks that these
- *  regions are on, and if the edit point is not `mouse', add the
- *  selected tracks.
+ *  Then, add equivalent regions in active edit groups to the region list.
  *
- *  Look at this track list and add any other tracks that are on the
- *  same active edit-enabled route group as one of the initial tracks.
+ *  Then, search the list of selected tracks to find any selected tracks which
+ *  do not contain regions already in the region list. If there are no selected
+ *  tracks and 'No Selection = All Tracks' is active, search all tracks rather
+ *  than just the selected.
  *
- *  Finally take the initial region list and add any regions that are
- *  under the edit point on one of the tracks on the track list to get
- *  the returned region list.
+ *  Add any regions that are under the edit point on these tracks to get the
+ *  returned region list.
  *
  *  The rationale here is that the mouse edit point is special in that
  *  its position describes both a time and a track; the other edit
@@ -4642,22 +4563,40 @@ Editor::get_regions_from_selection_and_edit_point ()
                tracks = selection->tracks;
        }
 
-       /* Add any other tracks that have regions that are in the same
+       /* Add any other regions that are in the same
           edit-activated route group as one of our regions.
         */
-       for (RegionSelection::iterator i = regions.begin (); i != regions.end(); ++i) {
+       regions = get_equivalent_regions (regions, ARDOUR::Properties::edit.property_id);
+       framepos_t const where = get_preferred_edit_position ();
 
-               RouteGroup* g = (*i)->get_time_axis_view().route_group ();
-
-               if (g && g->is_active() && g->is_edit()) {
-                       tracks.add (axis_views_from_routes (g->route_list()));
-               }
+       if (_route_groups->all_group_active_button().get_active() && tracks.empty()) {
+               /* tracks is empty (no track selected), and 'No Selection = All Tracks'
+                * is enabled, so consider all tracks
+                */
+               tracks = track_views; 
        }
 
        if (!tracks.empty()) {
-               /* now find regions that are at the edit position on those tracks */
-               framepos_t const where = get_preferred_edit_position ();
-               get_regions_at (regions, where, tracks);
+               /* now search the selected tracks for tracks which don't
+                  already contain regions to be acted upon, and get regions at
+                  the edit point on those tracks too.
+                */
+               TrackViewList tracks_without_relevant_regions;
+
+               for (TrackViewList::iterator t = tracks.begin (); t != tracks.end (); ++t) {
+                       if (!regions.involves (**t)) {
+                               /* there are no equivalent regions on this track */
+                               tracks_without_relevant_regions.push_back (*t);
+                       }
+               }
+
+               if (!tracks_without_relevant_regions.empty()) {
+                       /* there are some selected tracks with neither selected
+                        * regions or their equivalents: act upon all regions in
+                        * those tracks
+                        */
+                       get_regions_at (regions, where, tracks_without_relevant_regions);
+               }
        }
 
        return regions;
@@ -4729,13 +4668,13 @@ void
 Editor::first_idle ()
 {
        MessageDialog* dialog = 0;
-
+       
        if (track_views.size() > 1) {
-               dialog = new MessageDialog (*this,
-                                           string_compose (_("Please wait while %1 loads visual data"), PROGRAM_NAME),
-                                           true,
-                                           Gtk::MESSAGE_INFO,
-                                           Gtk::BUTTONS_NONE);
+               dialog = new MessageDialog (
+                       *this,
+                       string_compose (_("Please wait while %1 loads visual data."), PROGRAM_NAME),
+                       true
+                       );
                dialog->present ();
                ARDOUR_UI::instance()->flush_pending ();
        }
@@ -4748,7 +4687,6 @@ Editor::first_idle ()
        _routes->redisplay ();
 
        delete dialog;
-
        _have_idled = true;
 }
 
@@ -5038,7 +4976,7 @@ Editor::foreach_time_axis_view (sigc::slot<void,TimeAxisView&> theslot)
 
 /** Find a RouteTimeAxisView by the ID of its route */
 RouteTimeAxisView*
-Editor::get_route_view_by_route_id (PBD::ID& id) const
+Editor::get_route_view_by_route_id (const PBD::ID& id) const
 {
        RouteTimeAxisView* v;
 
@@ -5212,32 +5150,33 @@ Editor::reset_x_origin_to_follow_playhead ()
 
                } else {
 
+                       framepos_t l = 0;
+                       
                        if (frame < leftmost_frame) {
                                /* moving left */
-                               framepos_t l = 0;
                                if (_session->transport_rolling()) {
                                        /* rolling; end up with the playhead at the right of the page */
                                        l = frame - current_page_frames ();
                                } else {
-                                       /* not rolling: end up with the playhead 3/4 of the way along the page */
-                                       l = frame - (3 * current_page_frames() / 4);
-                               }
-
-                               if (l < 0) {
-                                       l = 0;
+                                       /* not rolling: end up with the playhead 1/4 of the way along the page */
+                                       l = frame - current_page_frames() / 4;
                                }
-
-                               center_screen_internal (l + (current_page_frames() / 2), current_page_frames ());
                        } else {
                                /* moving right */
                                if (_session->transport_rolling()) {
                                        /* rolling: end up with the playhead on the left of the page */
-                                       center_screen_internal (frame + (current_page_frames() / 2), current_page_frames ());
+                                       l = frame;
                                } else {
-                                       /* not rolling: end up with the playhead 1/4 of the way along the page */
-                                       center_screen_internal (frame + (current_page_frames() / 4), current_page_frames ());
+                                       /* not rolling: end up with the playhead 3/4 of the way along the page */
+                                       l = frame - 3 * current_page_frames() / 4;
                                }
                        }
+
+                       if (l < 0) {
+                               l = 0;
+                       }
+                       
+                       center_screen_internal (l + (current_page_frames() / 2), current_page_frames ());
                }
        }
 }
@@ -5335,7 +5274,6 @@ Editor::session_going_away ()
        clicked_regionview = 0;
        clicked_axisview = 0;
        clicked_routeview = 0;
-       clicked_crossfadeview = 0;
        entered_regionview = 0;
        entered_track = 0;
        last_update_frame = 0;
@@ -5379,8 +5317,7 @@ Editor::session_going_away ()
        hide_measures ();
        clear_marker_display ();
 
-       delete current_bbt_points;
-       current_bbt_points = 0;
+       current_bbt_points_begin = current_bbt_points_end;
 
        /* get rid of any existing editor mixer strip */
 
@@ -5404,9 +5341,9 @@ Editor::show_editor_list (bool yn)
 }
 
 void
-Editor::change_region_layering_order ()
+Editor::change_region_layering_order (bool from_context_menu)
 {
-       framepos_t const position = get_preferred_edit_position ();
+       const framepos_t position = get_preferred_edit_position (false, from_context_menu);
 
        if (!clicked_routeview) {
                if (layering_order_editor) {
@@ -5428,10 +5365,11 @@ Editor::change_region_layering_order ()
        }
 
        if (layering_order_editor == 0) {
-               layering_order_editor = new RegionLayeringOrderEditor(*this);
+               layering_order_editor = new RegionLayeringOrderEditor (*this);
+               layering_order_editor->set_position (WIN_POS_MOUSE);
        }
 
-       layering_order_editor->set_context (clicked_routeview->name(), _session, pl, position);
+       layering_order_editor->set_context (clicked_routeview->name(), _session, clicked_routeview, pl, position);
        layering_order_editor->maybe_present ();
 }
 
@@ -5439,26 +5377,38 @@ void
 Editor::update_region_layering_order_editor ()
 {
        if (layering_order_editor && layering_order_editor->is_visible ()) {
-               change_region_layering_order ();
+               change_region_layering_order (true);
        }
 }
 
 void
 Editor::setup_fade_images ()
 {
-       _fade_in_images[FadeLinear] = new Gtk::Image (get_icon_path (X_("crossfade-in-linear")));
-       _fade_in_images[FadeFast] = new Gtk::Image (get_icon_path (X_("crossfade-in-short-cut")));
-       _fade_in_images[FadeLogB] = new Gtk::Image (get_icon_path (X_("crossfade-in-slow-cut")));
-       _fade_in_images[FadeLogA] = new Gtk::Image (get_icon_path (X_("crossfade-in-fast-cut")));
-       _fade_in_images[FadeSlow] = new Gtk::Image (get_icon_path (X_("crossfade-in-long-cut")));
+       _fade_in_images[FadeLinear] = new Gtk::Image (get_icon_path (X_("fadein-linear")));
+       _fade_in_images[FadeSymmetric] = new Gtk::Image (get_icon_path (X_("fadein-short-cut")));
+       _fade_in_images[FadeFast] = new Gtk::Image (get_icon_path (X_("fadein-slow-cut")));
+       _fade_in_images[FadeSlow] = new Gtk::Image (get_icon_path (X_("fadein-fast-cut")));
+       _fade_in_images[FadeConstantPower] = new Gtk::Image (get_icon_path (X_("fadein-long-cut")));
+
+       _fade_out_images[FadeLinear] = new Gtk::Image (get_icon_path (X_("fadeout-linear")));
+       _fade_out_images[FadeSymmetric] = new Gtk::Image (get_icon_path (X_("fadeout-short-cut")));
+       _fade_out_images[FadeFast] = new Gtk::Image (get_icon_path (X_("fadeout-slow-cut")));
+       _fade_out_images[FadeSlow] = new Gtk::Image (get_icon_path (X_("fadeout-fast-cut")));
+       _fade_out_images[FadeConstantPower] = new Gtk::Image (get_icon_path (X_("fadeout-long-cut")));
+       
+       _xfade_in_images[FadeLinear] = new Gtk::Image (get_icon_path (X_("fadeout-linear")));
+       _xfade_in_images[FadeSymmetric] = new Gtk::Image (get_icon_path (X_("fadeout-short-cut")));
+       _xfade_in_images[FadeFast] = new Gtk::Image (get_icon_path (X_("fadeout-slow-cut")));
+       _xfade_in_images[FadeSlow] = new Gtk::Image (get_icon_path (X_("fadeout-fast-cut")));
+       _xfade_in_images[FadeConstantPower] = new Gtk::Image (get_icon_path (X_("fadeout-long-cut")));
 
-       _fade_out_images[FadeLinear] = new Gtk::Image (get_icon_path (X_("crossfade-out-linear")));
-       _fade_out_images[FadeFast] = new Gtk::Image (get_icon_path (X_("crossfade-out-short-cut")));
-       _fade_out_images[FadeLogB] = new Gtk::Image (get_icon_path (X_("crossfade-out-slow-cut")));
-       _fade_out_images[FadeLogA] = new Gtk::Image (get_icon_path (X_("crossfade-out-fast-cut")));
-       _fade_out_images[FadeSlow] = new Gtk::Image (get_icon_path (X_("crossfade-out-long-cut")));
-}
+       _xfade_out_images[FadeLinear] = new Gtk::Image (get_icon_path (X_("fadeout-linear")));
+       _xfade_out_images[FadeSymmetric] = new Gtk::Image (get_icon_path (X_("fadeout-short-cut")));
+       _xfade_out_images[FadeFast] = new Gtk::Image (get_icon_path (X_("fadeout-slow-cut")));
+       _xfade_out_images[FadeSlow] = new Gtk::Image (get_icon_path (X_("fadeout-fast-cut")));
+       _xfade_out_images[FadeConstantPower] = new Gtk::Image (get_icon_path (X_("fadeout-long-cut")));
 
+}
 
 /** @return Gtk::manage()d menu item for a given action from `editor_actions' */
 Gtk::MenuItem&
@@ -5470,16 +5420,6 @@ Editor::action_menu_item (std::string const & name)
        return *manage (a->create_menu_item ());
 }
 
-void
-Editor::resize_text_widgets ()
-{
-        set_size_request_to_display_given_text (edit_mode_selector, edit_mode_strings, COMBO_FUDGE+10, 15);
-        set_size_request_to_display_given_text (zoom_focus_selector, zoom_focus_strings, COMBO_FUDGE+10, 15);
-        set_size_request_to_display_given_text (snap_type_selector, snap_type_strings, COMBO_FUDGE+10, 15);
-        set_size_request_to_display_given_text (snap_mode_selector, snap_mode_strings, COMBO_FUDGE+10, 15);
-        set_size_request_to_display_given_text (edit_point_selector, edit_point_strings, COMBO_FUDGE+10, 15);
-}
-
 void
 Editor::add_notebook_page (string const & name, Gtk::Widget& widget)
 {
@@ -5504,10 +5444,16 @@ Editor::notebook_tab_clicked (GdkEventButton* ev, Gtk::Widget* page)
                /* double-click on a notebook tab shrinks or expands the notebook */
 
                if (_notebook_shrunk) {
-                       edit_pane.set_position (pre_maximal_horizontal_pane_position);
+                       if (pre_notebook_shrink_pane_width) {
+                               edit_pane.set_position (*pre_notebook_shrink_pane_width);
+                       }
                        _notebook_shrunk = false;
                } else {
-                       pre_maximal_horizontal_pane_position = edit_pane.get_position ();
+                       pre_notebook_shrink_pane_width = edit_pane.get_position();
+
+                       /* 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());
                        _notebook_shrunk = true;
                }
@@ -5532,3 +5478,4 @@ Editor::popup_control_point_context_menu (ArdourCanvas::Item* item, GdkEvent* ev
 
        _control_point_context_menu.popup (event->button.button, event->button.time);
 }
+