introduce GUIObjectState; massive, pervasive changes in visibility and height managem...
[ardour.git] / gtk2_ardour / editor.cc
index ce174630279b19d5fdf34c21bf0f38b9217aaf65..814ea66b3dd78dffc8e5c47328dcdc08a8382105 100644 (file)
@@ -19,7 +19,6 @@
 
 /* Note: public Editor methods are documented in public_editor.h */
 
-#define __STDC_LIMIT_MACROS 1
 #include <stdint.h>
 #include <unistd.h>
 #include <cstdlib>
 #include <gdkmm/color.h>
 #include <gdkmm/bitmap.h>
 
-#include <gtkmm2ext/grouped_buttons.h>
-#include <gtkmm2ext/gtk_ui.h>
-#include <gtkmm2ext/tearoff.h>
-#include <gtkmm2ext/utils.h>
-#include <gtkmm2ext/window_title.h>
-#include <gtkmm2ext/choice.h>
-#include <gtkmm2ext/cell_renderer_pixbuf_toggle.h>
+#include "gtkmm2ext/bindings.h"
+#include "gtkmm2ext/grouped_buttons.h"
+#include "gtkmm2ext/gtk_ui.h"
+#include "gtkmm2ext/tearoff.h"
+#include "gtkmm2ext/utils.h"
+#include "gtkmm2ext/window_title.h"
+#include "gtkmm2ext/choice.h"
+#include "gtkmm2ext/cell_renderer_pixbuf_toggle.h"
 
 #include "ardour/audio_diskstream.h"
 #include "ardour/audio_track.h"
 
 #include "control_protocol/control_protocol.h"
 
-#include "editor.h"
-#include "keyboard.h"
-#include "marker.h"
-#include "playlist_selector.h"
+#include "actions.h"
+#include "actions.h"
+#include "analysis_window.h"
+#include "audio_clock.h"
 #include "audio_region_view.h"
-#include "rgb_macros.h"
-#include "selection.h"
 #include "audio_streamview.h"
-#include "time_axis_view.h"
 #include "audio_time_axis.h"
-#include "utils.h"
-#include "crossfade_view.h"
+#include "automation_time_axis.h"
+#include "bundle_manager.h"
 #include "canvas-noevent-text.h"
-#include "editing.h"
-#include "public_editor.h"
-#include "crossfade_edit.h"
 #include "canvas_impl.h"
-#include "actions.h"
-#include "sfdb_ui.h"
-#include "gui_thread.h"
-#include "simpleline.h"
-#include "rhythm_ferret.h"
-#include "actions.h"
-#include "tempo_lines.h"
-#include "analysis_window.h"
-#include "bundle_manager.h"
-#include "global_port_matrix.h"
+#include "crossfade_edit.h"
+#include "crossfade_view.h"
+#include "debug.h"
+#include "editing.h"
+#include "editor.h"
+#include "editor_cursors.h"
 #include "editor_drag.h"
 #include "editor_group_tabs.h"
-#include "automation_time_axis.h"
-#include "editor_routes.h"
-#include "midi_time_axis.h"
-#include "mixer_strip.h"
-#include "editor_route_groups.h"
-#include "editor_regions.h"
 #include "editor_locations.h"
+#include "editor_regions.h"
+#include "editor_route_groups.h"
+#include "editor_routes.h"
 #include "editor_snapshots.h"
 #include "editor_summary.h"
+#include "global_port_matrix.h"
+#include "gui_object.h"
+#include "gui_thread.h"
+#include "keyboard.h"
+#include "marker.h"
+#include "midi_time_axis.h"
+#include "mixer_strip.h"
+#include "mouse_cursors.h"
+#include "playlist_selector.h"
+#include "public_editor.h"
 #include "region_layering_order_editor.h"
+#include "rgb_macros.h"
+#include "rhythm_ferret.h"
+#include "selection.h"
+#include "sfdb_ui.h"
+#include "simpleline.h"
+#include "tempo_lines.h"
+#include "time_axis_view.h"
+#include "utils.h"
 
 #include "i18n.h"
 
@@ -137,8 +142,6 @@ using Gtkmm2ext::Keyboard;
 
 const double Editor::timebar_height = 15.0;
 
-#include "editor_xpms"
-
 static const gchar *_snap_type_strings[] = {
        N_("CD Frames"),
        N_("Timecode Frames"),
@@ -208,32 +211,6 @@ static const gchar *_rb_opt_strings[] = {
 };
 #endif
 
-/* Soundfile  drag-n-drop */
-
-Gdk::Cursor* Editor::cross_hair_cursor = 0;
-Gdk::Cursor* Editor::selector_cursor = 0;
-Gdk::Cursor* Editor::trimmer_cursor = 0;
-Gdk::Cursor* Editor::left_side_trim_cursor = 0;
-Gdk::Cursor* Editor::right_side_trim_cursor = 0;
-Gdk::Cursor* Editor::fade_in_cursor = 0;
-Gdk::Cursor* Editor::fade_out_cursor = 0;
-Gdk::Cursor* Editor::grabber_cursor = 0;
-Gdk::Cursor* Editor::grabber_note_cursor = 0;
-Gdk::Cursor* Editor::grabber_edit_point_cursor = 0;
-Gdk::Cursor* Editor::zoom_in_cursor = 0;
-Gdk::Cursor* Editor::zoom_out_cursor = 0;
-Gdk::Cursor* Editor::time_fx_cursor = 0;
-Gdk::Cursor* Editor::fader_cursor = 0;
-Gdk::Cursor* Editor::speaker_cursor = 0;
-Gdk::Cursor* Editor::midi_pencil_cursor = 0;
-Gdk::Cursor* Editor::midi_select_cursor = 0;
-Gdk::Cursor* Editor::midi_resize_cursor = 0;
-Gdk::Cursor* Editor::midi_erase_cursor = 0;
-Gdk::Cursor* Editor::wait_cursor = 0;
-Gdk::Cursor* Editor::timebar_cursor = 0;
-Gdk::Cursor* Editor::transparent_cursor = 0;
-Gdk::Cursor* Editor::up_down_cursor = 0;
-
 void
 show_me_the_size (Requisition* r, const char* what)
 {
@@ -244,20 +221,20 @@ show_me_the_size (Requisition* r, const char* what)
 static void
 pane_size_watcher (Paned* pane)
 {
-       /* if the handle of a pane vanishes into (at least) the tabs of a notebook,
-          it is no longer accessible. so stop that. this doesn't happen on X11,
-          just the quartz backend.
+       /* if the handle of a pane vanishes into (at least) the tabs of a notebook,
+          it is no longer accessible. so stop that. this doesn't happen on X11,
+          just the quartz backend.
 
-          ugh.
-       */
+          ugh.
+       */
 
-       int max_width_of_lhs = GTK_WIDGET(pane->gobj())->allocation.width - 25;
+       int max_width_of_lhs = GTK_WIDGET(pane->gobj())->allocation.width - 25;
 
-       gint pos = pane->get_position ();
+       gint pos = pane->get_position ();
 
-       if (pos > max_width_of_lhs) {
-               pane->set_position (max_width_of_lhs);
-       }
+       if (pos > max_width_of_lhs) {
+               pane->set_position (max_width_of_lhs);
+       }
 }
 #endif
 
@@ -268,7 +245,7 @@ Editor::Editor ()
        , minsec_label (_("Mins:Secs"))
        , bbt_label (_("Bars:Beats"))
        , timecode_label (_("Timecode"))
-       , frame_label (_("Samples"))
+       , samples_label (_("Samples"))
        , tempo_label (_("Tempo"))
        , meter_label (_("Meter"))
        , mark_label (_("Location Markers"))
@@ -285,13 +262,14 @@ Editor::Editor ()
 
          /* tool bar related */
 
-       , zoom_range_clock (X_("zoomrange"), false, X_("ZoomRangeClock"), true, false, true)
+       , zoom_range_clock (new AudioClock (X_("zoomrange"), false, X_("ZoomRangeClock"), true, false, true))
 
        , toolbar_selection_clock_table (2,3)
 
        , automation_mode_button (_("mode"))
        , global_automation_button (_("automation"))
 
+       , _toolbar_viewport (*manage (new Gtk::Adjustment (0, 0, 1e10)), *manage (new Gtk::Adjustment (0, 0, 1e10)))
        , midi_panic_button (_("Panic"))
 
 #ifdef WITH_CMT
@@ -300,7 +278,7 @@ Editor::Editor ()
 
          /* nudge */
 
-       , nudge_clock (X_("nudge"), false, X_("NudgeClock"), true, false, true)
+       , nudge_clock (new AudioClock (X_("nudge"), false, X_("NudgeClock"), true, false, true))
        , meters_running(false)
        , _pending_locate_request (false)
        , _pending_initial_locate (false)
@@ -355,7 +333,6 @@ Editor::Editor ()
        current_interthread_info = 0;
        _show_measures = true;
        show_gain_after_trim = false;
-       verbose_cursor_on = true;
        last_item_entered = 0;
 
        have_pending_keyboard_selection = false;
@@ -365,7 +342,6 @@ Editor::Editor ()
        editor_ruler_menu = 0;
        no_ruler_shown_update = false;
        marker_menu = 0;
-       session_range_marker_menu = 0;
        range_marker_menu = 0;
        marker_menu_item = 0;
        tempo_or_meter_marker_menu = 0;
@@ -389,8 +365,7 @@ Editor::Editor ()
        _dragging_edit_point = false;
        select_new_marker = false;
        rhythm_ferret = 0;
-        layering_order_editor = 0;
-       _bundle_manager = 0;
+       layering_order_editor = 0;
        no_save_visual = false;
        resize_idle_id = -1;
 
@@ -414,7 +389,7 @@ Editor::Editor ()
 
        zoom_focus = ZoomFocusLeft;
        set_zoom_focus (ZoomFocusLeft);
-       zoom_range_clock.ValueChanged.connect (sigc::mem_fun(*this, &Editor::zoom_adjustment_changed));
+       zoom_range_clock->ValueChanged.connect (sigc::mem_fun(*this, &Editor::zoom_adjustment_changed));
 
        bbt_label.set_name ("EditorTimeButton");
        bbt_label.set_size_request (-1, (int)timebar_height);
@@ -434,12 +409,12 @@ Editor::Editor ()
        timecode_label.set_padding (5,0);
        timecode_label.hide ();
        timecode_label.set_no_show_all();
-       frame_label.set_name ("EditorTimeButton");
-       frame_label.set_size_request (-1, (int)timebar_height);
-       frame_label.set_alignment (1.0, 0.5);
-       frame_label.set_padding (5,0);
-       frame_label.hide ();
-       frame_label.set_no_show_all();
+       samples_label.set_name ("EditorTimeButton");
+       samples_label.set_size_request (-1, (int)timebar_height);
+       samples_label.set_alignment (1.0, 0.5);
+       samples_label.set_padding (5,0);
+       samples_label.hide ();
+       samples_label.set_no_show_all();
 
        tempo_label.set_name ("EditorTimeButton");
        tempo_label.set_size_request (-1, (int)timebar_height);
@@ -447,30 +422,35 @@ Editor::Editor ()
        tempo_label.set_padding (5,0);
        tempo_label.hide();
        tempo_label.set_no_show_all();
+
        meter_label.set_name ("EditorTimeButton");
        meter_label.set_size_request (-1, (int)timebar_height);
        meter_label.set_alignment (1.0, 0.5);
        meter_label.set_padding (5,0);
        meter_label.hide();
        meter_label.set_no_show_all();
+
        mark_label.set_name ("EditorTimeButton");
        mark_label.set_size_request (-1, (int)timebar_height);
        mark_label.set_alignment (1.0, 0.5);
        mark_label.set_padding (5,0);
        mark_label.hide();
        mark_label.set_no_show_all();
+
        cd_mark_label.set_name ("EditorTimeButton");
        cd_mark_label.set_size_request (-1, (int)timebar_height);
        cd_mark_label.set_alignment (1.0, 0.5);
        cd_mark_label.set_padding (5,0);
        cd_mark_label.hide();
        cd_mark_label.set_no_show_all();
+
        range_mark_label.set_name ("EditorTimeButton");
        range_mark_label.set_size_request (-1, (int)timebar_height);
        range_mark_label.set_alignment (1.0, 0.5);
        range_mark_label.set_padding (5,0);
        range_mark_label.hide();
        range_mark_label.set_no_show_all();
+
        transport_mark_label.set_name ("EditorTimeButton");
        transport_mark_label.set_size_request (-1, (int)timebar_height);
        transport_mark_label.set_alignment (1.0, 0.5);
@@ -480,11 +460,14 @@ Editor::Editor ()
 
        initialize_rulers ();
        initialize_canvas ();
+
        _summary = new EditorSummary (this);
 
        selection->TimeChanged.connect (sigc::mem_fun(*this, &Editor::time_selection_changed));
        selection->TracksChanged.connect (sigc::mem_fun(*this, &Editor::track_selection_changed));
+
        editor_regions_selection_changed_connection = selection->RegionsChanged.connect (sigc::mem_fun(*this, &Editor::region_selection_changed));
+
        selection->PointsChanged.connect (sigc::mem_fun(*this, &Editor::point_selection_changed));
        selection->MarkersChanged.connect (sigc::mem_fun(*this, &Editor::marker_selection_changed));
 
@@ -504,15 +487,16 @@ Editor::Editor ()
 
        controls_layout.add_events (Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_MASK|Gdk::ENTER_NOTIFY_MASK|Gdk::LEAVE_NOTIFY_MASK);
        controls_layout.signal_button_release_event().connect (sigc::mem_fun(*this, &Editor::edit_controls_button_release));
-       controls_layout_size_request_connection = controls_layout.signal_size_request().connect (sigc::mem_fun (*this, &Editor::controls_layout_size_request));
 
-       build_cursors ();
+       _cursors = new MouseCursors;
 
        ArdourCanvas::Canvas* time_pad = manage(new ArdourCanvas::Canvas());
        ArdourCanvas::SimpleLine* pad_line_1 = manage(new ArdourCanvas::SimpleLine(*time_pad->root(),
                        0.0, 1.0, 100.0, 1.0));
+
        pad_line_1->property_color_rgba() = 0xFF0000FF;
        pad_line_1->show();
+
        time_pad->show();
 
        time_canvas_vbox.set_size_request (-1, (int)(timebar_height * visible_timebars) + 2);
@@ -561,74 +545,68 @@ Editor::Editor ()
        _snapshots = new EditorSnapshots (this);
        _locations = new EditorLocations (this);
 
-       Gtk::Label* nlabel;
-
-       nlabel = manage (new Label (_("Regions")));
-       nlabel->set_angle (-90);
-       the_notebook.append_page (_regions->widget (), *nlabel);
-       nlabel = manage (new Label (_("Tracks & Busses")));
-       nlabel->set_angle (-90);
-       the_notebook.append_page (_routes->widget (), *nlabel);
-       nlabel = manage (new Label (_("Snapshots")));
-       nlabel->set_angle (-90);
-       the_notebook.append_page (_snapshots->widget (), *nlabel);
-       nlabel = manage (new Label (_("Route Groups")));
-       nlabel->set_angle (-90);
-       the_notebook.append_page (_route_groups->widget (), *nlabel);
-       nlabel = manage (new Label (_("Ranges & Marks")));
-       nlabel->set_angle (-90);
-       the_notebook.append_page (_locations->widget (), *nlabel);
-
-       the_notebook.set_show_tabs (true);
-       the_notebook.set_scrollable (true);
-       the_notebook.popup_disable ();
-       the_notebook.set_tab_pos (Gtk::POS_RIGHT);
-       the_notebook.show_all ();
-       
+       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 (_("Ranges & Marks"), _locations->widget ());
+
+       _the_notebook.set_show_tabs (true);
+       _the_notebook.set_scrollable (true);
+       _the_notebook.popup_disable ();
+       _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);
 
        Button* summary_arrows_left_left = manage (new Button);
        summary_arrows_left_left->add (*manage (new Arrow (ARROW_LEFT, SHADOW_NONE)));
-       summary_arrows_left_left->signal_pressed().connect (sigc::hide_return (sigc::mem_fun (*this, &Editor::horizontal_scroll_left_press)));
-       summary_arrows_left_left->signal_released().connect (sigc::mem_fun (*this, &Editor::horizontal_scroll_left_release));
+       summary_arrows_left_left->signal_pressed().connect (sigc::hide_return (sigc::bind (sigc::mem_fun (*this, &Editor::scroll_press), LEFT)));
+       summary_arrows_left_left->signal_released().connect (sigc::mem_fun (*this, &Editor::scroll_release));
+
        Button* summary_arrows_left_right = manage (new Button);
        summary_arrows_left_right->add (*manage (new Arrow (ARROW_RIGHT, SHADOW_NONE)));
-       summary_arrows_left_right->signal_pressed().connect (sigc::hide_return (sigc::mem_fun (*this, &Editor::horizontal_scroll_right_press)));
-       summary_arrows_left_right->signal_released().connect (sigc::mem_fun (*this, &Editor::horizontal_scroll_right_release));
+       summary_arrows_left_right->signal_pressed().connect (sigc::hide_return (sigc::bind (sigc::mem_fun (*this, &Editor::scroll_press), RIGHT)));
+       summary_arrows_left_right->signal_released().connect (sigc::mem_fun (*this, &Editor::scroll_release));
+
        VBox* summary_arrows_left = manage (new VBox);
        summary_arrows_left->pack_start (*summary_arrows_left_left);
        summary_arrows_left->pack_start (*summary_arrows_left_right);
 
-       Button* summary_arrows_right_left = manage (new Button);
-       summary_arrows_right_left->add (*manage (new Arrow (ARROW_LEFT, SHADOW_NONE)));
-       summary_arrows_right_left->signal_pressed().connect (sigc::hide_return (sigc::mem_fun (*this, &Editor::horizontal_scroll_left_press)));
-       summary_arrows_right_left->signal_released().connect (sigc::mem_fun (*this, &Editor::horizontal_scroll_left_release));
-       Button* summary_arrows_right_right = manage (new Button);
-       summary_arrows_right_right->add (*manage (new Arrow (ARROW_RIGHT, SHADOW_NONE)));
-       summary_arrows_right_right->signal_pressed().connect (sigc::hide_return (sigc::mem_fun (*this, &Editor::horizontal_scroll_right_press)));
-       summary_arrows_right_right->signal_released().connect (sigc::mem_fun (*this, &Editor::horizontal_scroll_right_release));
+       Button* summary_arrows_right_up = manage (new Button);
+       summary_arrows_right_up->add (*manage (new Arrow (ARROW_UP, SHADOW_NONE)));
+       summary_arrows_right_up->signal_pressed().connect (sigc::hide_return (sigc::bind (sigc::mem_fun (*this, &Editor::scroll_press), UP)));
+       summary_arrows_right_up->signal_released().connect (sigc::mem_fun (*this, &Editor::scroll_release));
+
+       Button* summary_arrows_right_down = manage (new Button);
+       summary_arrows_right_down->add (*manage (new Arrow (ARROW_DOWN, SHADOW_NONE)));
+       summary_arrows_right_down->signal_pressed().connect (sigc::hide_return (sigc::bind (sigc::mem_fun (*this, &Editor::scroll_press), DOWN)));
+       summary_arrows_right_down->signal_released().connect (sigc::mem_fun (*this, &Editor::scroll_release));
+
        VBox* summary_arrows_right = manage (new VBox);
-       summary_arrows_right->pack_start (*summary_arrows_right_left);
-       summary_arrows_right->pack_start (*summary_arrows_right_right);
+       summary_arrows_right->pack_start (*summary_arrows_right_up);
+       summary_arrows_right->pack_start (*summary_arrows_right_down);
 
        Frame* summary_frame = manage (new Frame);
        summary_frame->set_shadow_type (Gtk::SHADOW_ETCHED_IN);
+
        summary_frame->add (*_summary);
        summary_frame->show ();
 
        _summary_hbox.pack_start (*summary_arrows_left, false, false);
        _summary_hbox.pack_start (*summary_frame, true, true);
        _summary_hbox.pack_start (*summary_arrows_right, false, false);
-       
+
        editor_summary_pane.pack2 (_summary_hbox);
 
        edit_pane.pack1 (editor_summary_pane, true, true);
-       edit_pane.pack2 (the_notebook, false, true);
+       edit_pane.pack2 (_the_notebook, false, true);
 
        editor_summary_pane.signal_size_allocate().connect (sigc::bind (sigc::mem_fun (*this, &Editor::pane_allocation_handler), static_cast<Paned*> (&editor_summary_pane)));
 
@@ -636,10 +614,10 @@ Editor::Editor ()
 
        edit_pane.signal_size_allocate().connect (sigc::bind (sigc::mem_fun(*this, &Editor::pane_allocation_handler), static_cast<Paned*> (&edit_pane)));
 #ifdef GTKOSX
-        Glib::PropertyProxy<int> proxy = edit_pane.property_position();
-        proxy.signal_changed().connect (bind (sigc::ptr_fun (pane_size_watcher), static_cast<Paned*> (&edit_pane)));
+       Glib::PropertyProxy<int> proxy = edit_pane.property_position();
+       proxy.signal_changed().connect (bind (sigc::ptr_fun (pane_size_watcher), static_cast<Paned*> (&edit_pane)));
 #endif
-       top_hbox.pack_start (toolbar_frame, false, true);
+       top_hbox.pack_start (toolbar_frame);
 
        HBox *hbox = manage (new HBox);
        hbox->pack_start (edit_pane, true, true);
@@ -669,6 +647,7 @@ Editor::Editor ()
        _snap_mode = SnapOff;
        set_snap_mode (_snap_mode);
        set_mouse_mode (MouseObject, true);
+        pre_internal_mouse_mode = MouseObject;
        set_edit_point_preference (EditAtMouse, true);
 
        _playlist_selector = new PlaylistSelector();
@@ -704,7 +683,7 @@ Editor::Editor ()
                window_icons.push_back (icon);
        }
        if (!window_icons.empty()) {
-               set_icon_list (window_icons);
+               // set_icon_list (window_icons);
                set_default_icon_list (window_icons);
        }
 
@@ -726,7 +705,7 @@ Editor::Editor ()
        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());
        BasicUI::AccessAction.connect (*this, invalidator (*this), ui_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));
@@ -735,7 +714,23 @@ Editor::Editor ()
 
        TimeAxisView::CatchDeletion.connect (*this, invalidator (*this), ui_bind (&Editor::timeaxisview_deleted, this, _1), gui_context());
 
-       _last_normalization_value = 0;
+       _ignore_region_action = false;
+       _last_region_menu_was_main = false;
+       _popup_region_menu_item = 0;
+
+       _show_marker_lines = false;
+       _over_region_trim_target = false;
+
+        /* Button bindings */
+
+        button_bindings = new Bindings;
+
+       XMLNode* node = button_settings();
+        if (node) {
+                for (XMLNodeList::const_iterator i = node->children().begin(); i != node->children().end(); ++i) {
+                        button_bindings->load (**i);
+                }
+        }
 
        constructed = true;
        instant_save ();
@@ -756,13 +751,28 @@ Editor::~Editor()
                image_socket_listener = 0 ;
        }
 #endif
-        
+
+        delete button_bindings;
        delete _routes;
        delete _route_groups;
        delete track_canvas;
        delete _drags;
 }
 
+XMLNode*
+Editor::button_settings () const
+{
+       XMLNode* settings = ARDOUR_UI::instance()->editor_settings();
+       XMLNode* node = find_named_node (*settings, X_("Buttons"));
+
+       if (!node) {
+                cerr << "new empty Button node\n";
+               node = new XMLNode (X_("Buttons"));
+       }
+
+       return node;
+}
+
 void
 Editor::add_toplevel_controls (Container& cont)
 {
@@ -788,6 +798,12 @@ Editor::catch_vanishing_regionview (RegionView *rv)
        if (entered_regionview == rv) {
                set_entered_regionview (0);
        }
+
+       if (!_all_region_actions_sensitized) {
+               sensitize_all_region_actions (true);
+       }
+
+       _over_region_trim_target = false;
 }
 
 void
@@ -804,6 +820,13 @@ Editor::set_entered_regionview (RegionView* rv)
        if ((entered_regionview = rv) != 0) {
                entered_regionview->entered (internal_editing ());
        }
+
+       if (!_all_region_actions_sensitized && _last_region_menu_was_main) {
+               /* This RegionView entry might have changed what region actions
+                  are allowed, so sensitize them all in case a key is pressed.
+               */
+               sensitize_all_region_actions (true);
+       }
 }
 
 void
@@ -821,16 +844,19 @@ Editor::set_entered_track (TimeAxisView* tav)
 void
 Editor::show_window ()
 {
-       if (! is_visible ()) {
+       if (!is_visible ()) {
                show_all ();
 
-               /* re-hide editor list if necessary */
-               editor_list_button_toggled ();
+               /* XXX: this is a bit unfortunate; it would probably
+                  be nicer if we could just call show () above rather
+                  than needing the show_all ()
+               */
 
-               /* re-hide summary widget if necessary */
+               /* re-hide stuff if necessary */
+               editor_list_button_toggled ();
                parameter_changed ("show-summary");
-
-               parameter_changed ("show-edit-group-tabs");
+               parameter_changed ("show-group-tabs");
+               parameter_changed ("show-zoom-tools");
 
                /* now reset all audio_time_axis heights, because widgets might need
                   to be re-hidden
@@ -842,6 +868,10 @@ Editor::show_window ()
                        tv = (static_cast<TimeAxisView*>(*i));
                        tv->reset_height ();
                }
+
+               if (current_mixer_strip) {
+                       current_mixer_strip->hide_things ();
+               }
        }
 
        present ();
@@ -868,14 +898,14 @@ Editor::zoom_adjustment_changed ()
                return;
        }
 
-       double fpu = zoom_range_clock.current_duration() / _canvas_width;
+       double fpu = zoom_range_clock->current_duration() / _canvas_width;
 
        if (fpu < 1.0) {
                fpu = 1.0;
-               zoom_range_clock.set ((framepos_t) floor (fpu * _canvas_width));
+               zoom_range_clock->set ((framepos_t) floor (fpu * _canvas_width));
        } else if (fpu > _session->current_end_frame() / _canvas_width) {
                fpu = _session->current_end_frame() / _canvas_width;
-               zoom_range_clock.set ((framepos_t) floor (fpu * _canvas_width));
+               zoom_range_clock->set ((framepos_t) floor (fpu * _canvas_width));
        }
 
        temporal_zoom (fpu);
@@ -1056,9 +1086,9 @@ Editor::set_session (Session *t)
                return;
        }
 
-       zoom_range_clock.set_session (_session);
+       zoom_range_clock->set_session (_session);
        _playlist_selector->set_session (_session);
-       nudge_clock.set_session (_session);
+       nudge_clock->set_session (_session);
        _summary->set_session (_session);
        _group_tabs->set_session (_session);
        _route_groups->set_session (_session);
@@ -1081,9 +1111,6 @@ Editor::set_session (Session *t)
 
        compute_fixed_ruler_scale ();
 
-       /* there are never any selected regions at startup */
-       sensitize_the_right_region_actions (false);
-
        XMLNode* node = ARDOUR_UI::instance()->editor_settings();
        set_state (*node, Stateful::loading_state_version);
 
@@ -1099,12 +1126,11 @@ 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), ui_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->DirtyChanged.connect (_session_connections, invalidator (*this), boost::bind (&Editor::update_title, this), gui_context());
-       _session->TimecodeOffsetChanged.connect (_session_connections, invalidator (*this), boost::bind (&Editor::update_just_timecode, this), gui_context());
        _session->tempo_map().PropertyChanged.connect (_session_connections, invalidator (*this), ui_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());
@@ -1112,20 +1138,20 @@ Editor::set_session (Session *t)
        _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->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_s, this, _1), gui_context());
+       _session->locations()->StateChanged.connect (_session_connections, invalidator (*this), ui_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()) {
-               BBT_Time bbt;
+               Timecode::BBT_Time bbt;
                bbt.bars = 0;
                bbt.beats = 0;
                bbt.ticks = 120;
-               nframes_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);
+               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
+               nudge_clock->set (_session->frame_rate() * 5, true, 0, AudioClock::Timecode); // default of 5 seconds
        }
 
        playhead_cursor->canvas_item.show ();
@@ -1133,9 +1159,11 @@ Editor::set_session (Session *t)
        Location* loc = _session->locations()->auto_loop_location();
        if (loc == 0) {
                loc = new Location (*_session, 0, _session->current_end_frame(), _("Loop"),(Location::Flags) (Location::IsAutoLoop | Location::IsHidden));
+
                if (loc->start() == loc->end()) {
                        loc->set_end (loc->start() + 1);
                }
+
                _session->locations()->add (loc, false);
                _session->set_auto_loop_location (loc);
        } else {
@@ -1144,11 +1172,14 @@ Editor::set_session (Session *t)
        }
 
        loc = _session->locations()->auto_punch_location();
+
        if (loc == 0) {
                loc = new Location (*_session, 0, _session->current_end_frame(), _("Punch"), (Location::Flags) (Location::IsAutoPunch | Location::IsHidden));
+
                if (loc->start() == loc->end()) {
                        loc->set_end (loc->start() + 1);
                }
+
                _session->locations()->add (loc, false);
                _session->set_auto_punch_location (loc);
        } else {
@@ -1173,7 +1204,7 @@ Editor::set_session (Session *t)
        super_rapid_screen_update_connection = ARDOUR_UI::instance()->SuperRapidScreenUpdate.connect (
                sigc::mem_fun (*this, &Editor::super_rapid_screen_update)
                );
-       
+
        switch (_snap_type) {
        case SnapToRegionStart:
        case SnapToRegionEnd:
@@ -1189,105 +1220,26 @@ Editor::set_session (Session *t)
        /* register for undo history */
        _session->register_with_memento_command_factory(_id, this);
 
+       ActionManager::ui_manager->signal_pre_activate().connect (sigc::mem_fun (*this, &Editor::action_pre_activated));
+
        start_updating_meters ();
 }
 
 void
-Editor::build_cursors ()
+Editor::action_pre_activated (Glib::RefPtr<Action> const & a)
 {
-       using namespace Gdk;
-
-       {
-               Glib::RefPtr<Gdk::Pixbuf> zoom_in_cursor_pixbuf (::get_icon ("zoom_in_cursor"));
-               zoom_in_cursor = new Gdk::Cursor (Gdk::Display::get_default(), zoom_in_cursor_pixbuf, 5, 5);
-       }
-
-       {
-               Glib::RefPtr<Gdk::Pixbuf> zoom_out_cursor_pixbuf (::get_icon ("zoom_out_cursor"));
-               zoom_out_cursor = new Gdk::Cursor (Gdk::Display::get_default(), zoom_out_cursor_pixbuf, 5, 5);
-       }
-       
-       Gdk::Color fbg ("#ffffff" );
-       Gdk::Color ffg  ("#000000" );
-
-       {
-               RefPtr<Bitmap> source, mask;
-
-               source = Bitmap::create (fader_cursor_bits, fader_cursor_width, fader_cursor_height);
-               mask = Bitmap::create (fader_cursor_mask_bits, fader_cursor_width, fader_cursor_height);
-               fader_cursor = new Gdk::Cursor (source, mask, ffg, fbg, fader_cursor_x_hot, fader_cursor_y_hot);
-       }
-
-       {
-               RefPtr<Bitmap> source, mask;
-               source = Bitmap::create (speaker_cursor_bits, speaker_cursor_width, speaker_cursor_height);
-               mask = Bitmap::create (speaker_cursor_mask_bits, speaker_cursor_width, speaker_cursor_height);
-               speaker_cursor = new Gdk::Cursor (source, mask, ffg, fbg, speaker_cursor_x_hot, speaker_cursor_y_hot);
-       }
-
-       {
-               RefPtr<Bitmap> bits;
-               char pix[4] = { 0, 0, 0, 0 };
-               bits = Bitmap::create (pix, 2, 2);
-               Gdk::Color c;
-               transparent_cursor = new Gdk::Cursor (bits, bits, c, c, 0, 0);
-       }
-
-       {
-               RefPtr<Bitmap> bits;
-               char pix[4] = { 0, 0, 0, 0 };
-               bits = Bitmap::create (pix, 2, 2);
-               Gdk::Color c;
-               transparent_cursor = new Gdk::Cursor (bits, bits, c, c, 0, 0);
-       }
-
-       {
-               Glib::RefPtr<Gdk::Pixbuf> grabber_pixbuf (::get_icon ("grabber"));
-               grabber_cursor = new Gdk::Cursor (Gdk::Display::get_default(), grabber_pixbuf, 5, 0);
-       }
-
-       {
-               Glib::RefPtr<Gdk::Pixbuf> grabber_note_pixbuf (::get_icon ("grabber_note"));
-               grabber_note_cursor = new Gdk::Cursor (Gdk::Display::get_default(), grabber_note_pixbuf, 5, 10);
-       }
-
-       {
-               Glib::RefPtr<Gdk::Pixbuf> grabber_edit_point_pixbuf (::get_icon ("grabber_edit_point"));
-               grabber_edit_point_cursor = new Gdk::Cursor (Gdk::Display::get_default(), grabber_edit_point_pixbuf, 5, 17);
-       }
-
-       cross_hair_cursor = new Gdk::Cursor (CROSSHAIR);
-       trimmer_cursor =  new Gdk::Cursor (SB_H_DOUBLE_ARROW);
-
-       {
-               Glib::RefPtr<Gdk::Pixbuf> apixbuf (::get_icon ("trim_left_cursor"));
-               left_side_trim_cursor = new Gdk::Cursor (Gdk::Display::get_default(), apixbuf, 5, 11);
-       }
+       if (a->get_name() == "RegionMenu") {
+               /* When the main menu's region menu is opened, we setup the actions so that they look right
+                  in the menu.  I can't find a way of getting a signal when this menu is subsequently closed,
+                  so we resensitize all region actions when the entered regionview or the region selection
+                  changes.  HOWEVER we can't always resensitize on entered_regionview change because that
+                  happens after the region context menu is opened.  So we set a flag here, too.
 
-       {
-               Glib::RefPtr<Gdk::Pixbuf> apixbuf (::get_icon ("trim_right_cursor"));
-               right_side_trim_cursor = new Gdk::Cursor (Gdk::Display::get_default(), apixbuf, 23, 11);
-       }
-
-       {
-               Glib::RefPtr<Gdk::Pixbuf> apixbuf (::get_icon ("fade_in_cursor"));
-               fade_in_cursor = new Gdk::Cursor (Gdk::Display::get_default(), apixbuf, 0, 40);
-       }
-
-       {
-               Glib::RefPtr<Gdk::Pixbuf> apixbuf (::get_icon ("fade_out_cursor"));
-               fade_out_cursor = new Gdk::Cursor (Gdk::Display::get_default(), apixbuf, 27, 40);
+                  What a carry on :(
+               */
+               sensitize_the_right_region_actions ();
+               _last_region_menu_was_main = true;
        }
-
-       selector_cursor = new Gdk::Cursor (XTERM);
-       time_fx_cursor = new Gdk::Cursor (SIZING);
-       wait_cursor = new Gdk::Cursor  (WATCH);
-       timebar_cursor = new Gdk::Cursor(LEFT_PTR);
-       midi_pencil_cursor = new Gdk::Cursor (PENCIL);
-       midi_select_cursor = new Gdk::Cursor (CENTER_PTR);
-       midi_resize_cursor = new Gdk::Cursor (SIZING);
-       midi_erase_cursor = new Gdk::Cursor (DRAPED_BOX);
-       up_down_cursor = new Gdk::Cursor (Gdk::SB_V_DOUBLE_ARROW);
 }
 
 /** Pop up a context menu for when the user clicks on a fade in or fade out */
@@ -1318,10 +1270,10 @@ Editor::popup_fade_context_menu (int button, int32_t time, ArdourCanvas::Item* i
                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 (
@@ -1340,34 +1292,34 @@ Editor::popup_fade_context_menu (int button, int32_t time, ArdourCanvas::Item* i
                                        *_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 (
                                        _("Slow"),
                                        *_fade_in_images[FadeLogB],
                                        sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_in_shape), FadeLogB)
                                        ));
-                       
+
                        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)
                                        ));
-                       
+
                        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)
                                        ));
-                       
+
                        dynamic_cast<ImageMenuItem*>(&items.back())->set_always_show_image ();
                }
 
@@ -1404,34 +1356,34 @@ Editor::popup_fade_context_menu (int button, int32_t time, ArdourCanvas::Item* i
                                        *_fade_out_images[FadeFast],
                                        sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_out_shape), FadeSlow)
                                        ));
-                       
+
                        dynamic_cast<ImageMenuItem*>(&items.back())->set_always_show_image ();
-                       
+
                        items.push_back (
                                ImageMenuElem (
                                        _("Slow"),
                                        *_fade_out_images[FadeLogB],
                                        sigc::bind (sigc::mem_fun (*this, &Editor::set_fade_out_shape), FadeLogA)
                                        ));
-                       
+
                        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)
                                        ));
-                       
+
                        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)
                                        ));
-                       
+
                        dynamic_cast<ImageMenuItem*>(&items.back())->set_always_show_image ();
                }
 
@@ -1448,10 +1400,10 @@ Editor::popup_fade_context_menu (int button, int32_t time, ArdourCanvas::Item* i
 }
 
 void
-Editor::popup_track_context_menu (int button, int32_t time, ItemType item_type, bool with_selection, framepos_t frame)
+Editor::popup_track_context_menu (int button, int32_t time, ItemType item_type, bool with_selection)
 {
        using namespace Menu_Helpers;
-       Menu* (Editor::*build_menu_function)(framepos_t);
+       Menu* (Editor::*build_menu_function)();
        Menu *menu;
 
        switch (item_type) {
@@ -1492,7 +1444,7 @@ Editor::popup_track_context_menu (int button, int32_t time, ItemType item_type,
                return;
        }
 
-       menu = (this->*build_menu_function)(frame);
+       menu = (this->*build_menu_function)();
        menu->set_name ("ArdourContextMenu");
 
        /* now handle specific situations */
@@ -1501,8 +1453,8 @@ Editor::popup_track_context_menu (int button, int32_t time, ItemType item_type,
        case RegionItem:
        case RegionViewName:
        case RegionViewNameHighlight:
-        case LeftFrameHandle:
-        case RightFrameHandle:
+       case LeftFrameHandle:
+       case RightFrameHandle:
                if (!with_selection) {
                        if (region_edit_menu_split_item) {
                                if (clicked_regionview && clicked_regionview->region()->covers (get_preferred_edit_position())) {
@@ -1564,11 +1516,18 @@ Editor::popup_track_context_menu (int button, int32_t time, ItemType item_type,
                clicked_routeview->build_underlay_menu(menu);
        }
 
+       /* When the region menu is opened, we setup the actions so that they look right
+          in the menu.
+       */
+       sensitize_the_right_region_actions ();
+       _last_region_menu_was_main = false;
+
+       menu->signal_hide().connect (sigc::bind (sigc::mem_fun (*this, &Editor::sensitize_all_region_actions), true));
        menu->popup (button, time);
 }
 
 Menu*
-Editor::build_track_context_menu (framepos_t)
+Editor::build_track_context_menu ()
 {
        using namespace Menu_Helpers;
 
@@ -1580,7 +1539,7 @@ Editor::build_track_context_menu (framepos_t)
 }
 
 Menu*
-Editor::build_track_bus_context_menu (framepos_t)
+Editor::build_track_bus_context_menu ()
 {
        using namespace Menu_Helpers;
 
@@ -1592,7 +1551,7 @@ Editor::build_track_bus_context_menu (framepos_t)
 }
 
 Menu*
-Editor::build_track_region_context_menu (framepos_t frame)
+Editor::build_track_region_context_menu ()
 {
        using namespace Menu_Helpers;
        MenuList& edit_items  = track_region_context_menu.items();
@@ -1604,36 +1563,19 @@ Editor::build_track_region_context_menu (framepos_t frame)
        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) {
                boost::shared_ptr<Track> tr;
                boost::shared_ptr<Playlist> pl;
 
-               /* Don't offer a region submenu if we are in internal edit mode, as we don't select regions in this
-                  mode and so offering region context is somewhat confusing.
-               */
-               if ((tr = rtv->track()) && ((pl = tr->playlist())) && !internal_editing()) {
-                        framepos_t framepos = (framepos_t) floor ((double)frame * tr->speed());
-                        uint32_t regions_at = pl->count_regions_at (framepos);
-                        list<boost::shared_ptr<Region> > regions_for_menu;
-
-                       if (selection->regions.size() > 1) {
-                               // there's already a multiple selection: just add a
-                               // single region context menu that will act on all
-                               // selected regions
-
-                               for (RegionSelection::iterator i = selection->regions.begin(); i != selection->regions.end(); ++i) {
-                                       regions_for_menu.push_back ((*i)->region ());
-                               }
-                        } else {
-                                boost::shared_ptr<Region> top_region = pl->top_region_at (framepos);
-                                if (top_region) {
-                                        regions_for_menu.push_back (top_region);
-                                }
-                        }
-
-                        add_region_context_items (rtv->view(), regions_for_menu, edit_items, framepos, regions_at > 1);
+               if ((tr = rtv->track())) {
+                       add_region_context_items (edit_items, tr);
                }
        }
 
@@ -1643,12 +1585,17 @@ Editor::build_track_region_context_menu (framepos_t frame)
 }
 
 Menu*
-Editor::build_track_crossfade_context_menu (framepos_t frame)
+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) {
@@ -1659,35 +1606,24 @@ Editor::build_track_crossfade_context_menu (framepos_t frame)
                if ((tr = atv->track()) && ((pl = tr->playlist()) != 0) && ((apl = boost::dynamic_pointer_cast<AudioPlaylist> (pl)) != 0)) {
 
                        AudioPlaylist::Crossfades xfades;
+                       framepos_t where;
+                       bool ignored;
 
-                       apl->crossfades_at (frame, xfades);
+                       /* 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 many = xfades.size() > 1;
+                       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);
                        }
 
-                       framepos_t framepos = (framepos_t) floor ((double)frame * tr->speed());
-                       uint32_t regions_at = pl->count_regions_at (framepos);
-                        list<boost::shared_ptr<Region> > regions_for_menu;
-
-                       if (selection->regions.size() > 1) {
-                               // there's already a multiple selection: just add a
-                               // single region context menu that will act on all
-                               // selected regions
-
-                               for (RegionSelection::iterator i = selection->regions.begin(); i != selection->regions.end(); ++i) {
-                                       regions_for_menu.push_back ((*i)->region ());
-                               }
-                        } else {
-                                boost::shared_ptr<Region> top_region = pl->top_region_at (framepos);
-                                if (top_region) {
-                                        regions_for_menu.push_back (top_region);
-                                }
-                        }
-                        
-                        add_region_context_items (atv->audio_view(), regions_for_menu, edit_items, framepos, regions_at > 1);
+                       add_region_context_items (edit_items, tr);
                }
        }
 
@@ -1697,7 +1633,7 @@ Editor::build_track_crossfade_context_menu (framepos_t frame)
 }
 
 void
-Editor::analyze_region_selection()
+Editor::analyze_region_selection ()
 {
        if (analysis_window == 0) {
                analysis_window = new AnalysisWindow();
@@ -1733,7 +1669,7 @@ Editor::analyze_range_selection()
 }
 
 Menu*
-Editor::build_track_selection_context_menu (framepos_t)
+Editor::build_track_selection_context_menu ()
 {
        using namespace Menu_Helpers;
        MenuList& edit_items  = track_selection_context_menu.items();
@@ -1807,313 +1743,48 @@ Editor::xfade_edit_right_region ()
 }
 
 void
-Editor::add_region_context_items (StreamView* sv, list<boost::shared_ptr<Region> > regions, Menu_Helpers::MenuList& edit_items,
-                                  framepos_t position, bool multiple_regions_at_position)
+Editor::add_region_context_items (Menu_Helpers::MenuList& edit_items, boost::shared_ptr<Track> track)
 {
        using namespace Menu_Helpers;
-       Gtk::MenuItem* foo_item;
-       Menu     *region_menu = manage (new Menu);
-       MenuList& items       = region_menu->items();
-       region_menu->set_name ("ArdourContextMenu");
-
-       /* Look through the regions that we are handling and make notes about what we have got */
-       
-       bool have_audio = false;
-       bool have_midi = false;
-       bool have_locked = false;
-       bool have_unlocked = false;
-       bool have_position_lock_style_audio = false;
-       bool have_position_lock_style_music = false;
-       bool have_muted = false;
-       bool have_unmuted = false;
-       bool have_opaque = false;
-       bool have_non_opaque = false;
-       bool have_not_at_natural_position = false;
-       bool have_envelope_visible = false;
-       bool have_envelope_invisible = false;
-       bool have_envelope_active = false;
-       bool have_envelope_inactive = false;
-       bool have_non_unity_scale_amplitude = false;
-
-       for (list<boost::shared_ptr<Region> >::const_iterator i = regions.begin(); i != regions.end(); ++i) {
-               boost::shared_ptr<AudioRegion> ar = boost::dynamic_pointer_cast<AudioRegion> (*i);
-               if (ar) {
-                       have_audio = true;
-               }
-               if (boost::dynamic_pointer_cast<MidiRegion> (*i)) {
-                       have_midi = true;
-               }
-
-               if ((*i)->locked()) {
-                       have_locked = true;
-               } else {
-                       have_unlocked = true;
-               }
-
-               if ((*i)->position_lock_style() == MusicTime) {
-                       have_position_lock_style_music = true;
-               } else {
-                       have_position_lock_style_audio = true;
-               }
-
-               if ((*i)->muted()) {
-                       have_muted = true;
-               } else {
-                       have_unmuted = true;
-               }
-
-               if ((*i)->opaque()) {
-                       have_opaque = true;
-               } else {
-                       have_non_opaque = true;
-               }
-
-               if (!(*i)->at_natural_position()) {
-                       have_not_at_natural_position = true;
-               }
-
-               if (ar) {
-                        /* its a bit unfortunate that "envelope visible" is a view-only
-                           property. we have to find the regionview to able to check
-                           its current setting.
-                        */
-
-                       RegionView* rv = sv->find_view (ar);
-                        have_envelope_invisible = true;
-
-                        if (rv) {
-                                AudioRegionView* arv = dynamic_cast<AudioRegionView*> (rv);
-                                if (arv && arv->envelope_visible()) {
-                                        have_envelope_visible = true;
-                                }
-                       }
-
-                       if (ar->envelope_active()) {
-                               have_envelope_active = true;
-                       } else {
-                               have_envelope_inactive = true;
-                       }
-
-                       if (ar->scale_amplitude() != 1) {
-                               have_non_unity_scale_amplitude = true;
-                       }
-               }
-       }
-
-       if (regions.size() == 1) {
-
-               /* when this particular menu pops up, make the relevant region
-                  become selected.
-               */
-
-               region_menu->signal_map_event().connect (
-                       sigc::bind (sigc::mem_fun(*this, &Editor::set_selected_regionview_from_map_event), sv, boost::weak_ptr<Region> (regions.front()))
-                       );
-
-               items.push_back (MenuElem (_("Rename..."), sigc::mem_fun(*this, &Editor::rename_region)));
-               
-               if (have_midi) {
-                       items.push_back (MenuElem (_("List Editor..."), sigc::mem_fun(*this, &Editor::show_midi_list_editor)));
-               }
-               
-               items.push_back (MenuElem (_("Region Properties..."), sigc::mem_fun(*this, &Editor::edit_region)));
-       }
-
-       items.push_back (MenuElem (_("Raise to Top Layer"), sigc::mem_fun(*this, &Editor::raise_region_to_top)));
-       items.push_back (MenuElem (_("Lower to Bottom Layer"), sigc::mem_fun  (*this, &Editor::lower_region_to_bottom)));
-       items.push_back (SeparatorElem());
-       items.push_back (MenuElem (_("Define Sync Point"), sigc::mem_fun(*this, &Editor::set_region_sync_from_edit_point)));
-       if (_edit_point == EditAtMouse) {
-               items.back ().set_sensitive (false);
-       }
-       items.push_back (MenuElem (_("Remove Sync Point"), sigc::mem_fun(*this, &Editor::remove_region_sync)));
-       items.push_back (SeparatorElem());
-
-       items.push_back (MenuElem (_("Audition"), sigc::mem_fun(*this, &Editor::play_selected_region)));
-       items.push_back (MenuElem (_("Export..."), sigc::mem_fun(*this, &Editor::export_region)));
-       items.push_back (MenuElem (_("Bounce"), sigc::mem_fun(*this, &Editor::bounce_region_selection)));
-
-       if (have_audio) {
-               items.push_back (MenuElem (_("Spectral Analysis..."), sigc::mem_fun(*this, &Editor::analyze_region_selection)));
-       }
-
-       items.push_back (SeparatorElem());
-
-       items.push_back (CheckMenuElem (_("Lock")));
-       CheckMenuItem* region_lock_item = static_cast<CheckMenuItem*>(&items.back());
-       if (have_locked && !have_unlocked) {
-               region_lock_item->set_active();
-       } else if (have_locked && have_unlocked) {
-               region_lock_item->set_inconsistent ();
-       }
-       region_lock_item->signal_activate().connect (sigc::mem_fun(*this, &Editor::toggle_region_lock));
-
-       items.push_back (CheckMenuElem (_("Glue to Bars and Beats")));
-       CheckMenuItem* bbt_glue_item = static_cast<CheckMenuItem*>(&items.back());
-
-       if (have_position_lock_style_music && !have_position_lock_style_audio) {
-               bbt_glue_item->set_active ();
-       } else if (have_position_lock_style_music && have_position_lock_style_audio) {
-               bbt_glue_item->set_inconsistent ();
-       }
-
-       bbt_glue_item->signal_activate().connect (sigc::mem_fun (*this, &Editor::toggle_region_lock_style));
-
-       items.push_back (CheckMenuElem (_("Mute")));
-       CheckMenuItem* region_mute_item = static_cast<CheckMenuItem*>(&items.back());
-
-       if (have_muted && !have_unmuted) {
-               region_mute_item->set_active();
-       } else if (have_muted && have_unmuted) {
-               region_mute_item->set_inconsistent ();
-       }
-        
-       region_mute_item->signal_activate().connect (sigc::mem_fun(*this, &Editor::toggle_region_mute));
-       
-        items.push_back (MenuElem (_("Transpose..."), mem_fun(*this, &Editor::pitch_shift_regions)));
-
-       if (!Profile->get_sae()) {
-               items.push_back (CheckMenuElem (_("Opaque")));
-               CheckMenuItem* region_opaque_item = static_cast<CheckMenuItem*>(&items.back());
-               if (have_opaque && !have_non_opaque) {
-                       region_opaque_item->set_active();
-               } else if (have_opaque && have_non_opaque) {
-                       region_opaque_item->set_inconsistent ();
-               }
-               region_opaque_item->signal_activate().connect (sigc::mem_fun(*this, &Editor::toggle_region_opaque));
-       }
-
-       items.push_back (CheckMenuElem (_("Original Position"), sigc::mem_fun(*this, &Editor::naturalize)));
-       if (!have_not_at_natural_position) {
-               items.back().set_sensitive (false);
-       }
-
-       items.push_back (SeparatorElem());
-
-       if (have_audio) {
-
-               if (!Profile->get_sae()) {
-                       items.push_back (MenuElem (_("Reset Envelope"), sigc::mem_fun(*this, &Editor::reset_region_gain_envelopes)));
-
-                       items.push_back (CheckMenuElem (_("Envelope Visible")));
-                       CheckMenuItem* region_envelope_visible_item = static_cast<CheckMenuItem*> (&items.back());
-                       if (have_envelope_visible && !have_envelope_invisible) {
-                               region_envelope_visible_item->set_active ();
-                       } else if (have_envelope_visible && have_envelope_invisible) {
-                               region_envelope_visible_item->set_inconsistent ();
-                       }
-                       region_envelope_visible_item->signal_activate().connect (sigc::mem_fun(*this, &Editor::toggle_gain_envelope_visibility));
-
-                       items.push_back (CheckMenuElem (_("Envelope Active")));
-                       CheckMenuItem* region_envelope_active_item = static_cast<CheckMenuItem*> (&items.back());
-
-                       if (have_envelope_active && !have_envelope_inactive) {
-                               region_envelope_active_item->set_active ();
-                       } else if (have_envelope_active && have_envelope_inactive) {
-                               region_envelope_active_item->set_inconsistent ();
-                       }
-
-                       region_envelope_active_item->signal_activate().connect (sigc::mem_fun(*this, &Editor::toggle_gain_envelope_active));
-                       items.push_back (SeparatorElem());
-               }
-
-               items.push_back (MenuElem (_("Normalize..."), sigc::mem_fun(*this, &Editor::normalize_region)));
-               if (have_non_unity_scale_amplitude) {
-                       items.push_back (MenuElem (_("Reset Gain"), sigc::mem_fun(*this, &Editor::reset_region_scale_amplitude)));
-               }
-
-       } else if (have_midi) {
-               items.push_back (MenuElem (_("Quantize"), sigc::mem_fun(*this, &Editor::quantize_region)));
-               items.push_back (MenuElem (_("Fork"), sigc::mem_fun(*this, &Editor::fork_region)));
-               items.push_back (SeparatorElem());
-       }
-
-       items.push_back (MenuElem (_("Strip Silence..."), sigc::mem_fun (*this, &Editor::strip_region_silence)));
-       items.push_back (MenuElem (_("Reverse"), sigc::mem_fun(*this, &Editor::reverse_region)));
-       items.push_back (SeparatorElem());
-
-       /* range related stuff */
-
-       items.push_back (MenuElem (_("Add Single Range"), sigc::mem_fun (*this, &Editor::add_location_from_audio_region)));
-       items.push_back (MenuElem (_("Add Range Markers"), sigc::mem_fun (*this, &Editor::add_locations_from_audio_region)));
-       if (selection->regions.size() < 2) {
-               items.back().set_sensitive (false);
-       }
-
-       items.push_back (MenuElem (_("Set Range Selection"), sigc::mem_fun (*this, &Editor::set_selection_from_region)));
-       items.push_back (SeparatorElem());
-
-       /* Nudge region */
-
-       Menu *nudge_menu = manage (new Menu());
-       MenuList& nudge_items = nudge_menu->items();
-       nudge_menu->set_name ("ArdourContextMenu");
-
-       nudge_items.push_back (MenuElem (_("Nudge Forward"), (sigc::bind (sigc::mem_fun(*this, &Editor::nudge_forward), false, false))));
-       nudge_items.push_back (MenuElem (_("Nudge Backward"), (sigc::bind (sigc::mem_fun(*this, &Editor::nudge_backward), false, false))));
-       nudge_items.push_back (MenuElem (_("Nudge Forward by Capture Offset"), (sigc::mem_fun(*this, &Editor::nudge_forward_capture_offset))));
-       nudge_items.push_back (MenuElem (_("Nudge Backward by Capture Offset"), (sigc::mem_fun(*this, &Editor::nudge_backward_capture_offset))));
-
-       items.push_back (MenuElem (_("Nudge"), *nudge_menu));
-       items.push_back (SeparatorElem());
-
-       Menu *trim_menu = manage (new Menu);
-       MenuList& trim_items = trim_menu->items();
-       trim_menu->set_name ("ArdourContextMenu");
-
-       trim_items.push_back (MenuElem (_("Start to Edit Point"), sigc::mem_fun(*this, &Editor::trim_region_from_edit_point)));
-       foo_item = &trim_items.back();
-       if (_edit_point == EditAtMouse) {
-               foo_item->set_sensitive (false);
-       }
-       trim_items.push_back (MenuElem (_("Edit Point to End"), sigc::mem_fun(*this, &Editor::trim_region_to_edit_point)));
-       foo_item = &trim_items.back();
-       if (_edit_point == EditAtMouse) {
-               foo_item->set_sensitive (false);
-       }
-       trim_items.push_back (MenuElem (_("Trim to Loop"), sigc::mem_fun(*this, &Editor::trim_region_to_loop)));
-       trim_items.push_back (MenuElem (_("Trim to Punch"), sigc::mem_fun(*this, &Editor::trim_region_to_punch)));
-
-       items.push_back (MenuElem (_("Trim"), *trim_menu));
-       items.push_back (SeparatorElem());
-
-       items.push_back (MenuElem (_("Split"), (sigc::mem_fun(*this, &Editor::split))));
-       region_edit_menu_split_item = &items.back();
-
-       if (_edit_point == EditAtMouse) {
-               region_edit_menu_split_item->set_sensitive (false);
-       }
-
-       if (have_audio) {
-               items.push_back (MenuElem (_("Make Mono Regions"), (sigc::mem_fun(*this, &Editor::split_multichannel_region))));
-               region_edit_menu_split_multichannel_item = &items.back();
-       }
-
-       items.push_back (MenuElem (_("Duplicate"), (sigc::bind (sigc::mem_fun(*this, &Editor::duplicate_dialog), false))));
-       items.push_back (MenuElem (_("Multi-Duplicate..."), (sigc::bind (sigc::mem_fun(*this, &Editor::duplicate_dialog), true))));
-       items.push_back (MenuElem (_("Fill Track"), (sigc::mem_fun(*this, &Editor::region_fill_track))));
-       items.push_back (SeparatorElem());
-       items.push_back (MenuElem (_("Remove"), sigc::mem_fun(*this, &Editor::remove_selected_regions)));
 
        /* OK, stick the region submenu at the top of the list, and then add
           the standard items.
        */
 
+       RegionSelection rs = get_regions_from_selection_and_entered ();
+
+       string::size_type pos = 0;
+       string menu_item_name = (rs.size() == 1) ? rs.front()->region()->name() : _("Selected Regions");
+
        /* we have to hack up the region name because "_" has a special
           meaning for menu titles.
        */
 
-       string::size_type pos = 0;
-       string menu_item_name = (regions.size() == 1) ? regions.front()->name() : _("Selected Regions");
-
        while ((pos = menu_item_name.find ("_", pos)) != string::npos) {
                menu_item_name.replace (pos, 1, "__");
                pos += 2;
        }
 
-       edit_items.push_back (MenuElem (menu_item_name, *region_menu));
-       if (multiple_regions_at_position && (layering_order_editor == 0 || !layering_order_editor->is_visible ())) {
-               edit_items.push_back (MenuElem (_("Choose Top Region..."), (bind (mem_fun(*this, &Editor::change_region_layering_order), position))));
+       if (_popup_region_menu_item == 0) {
+               _popup_region_menu_item = new MenuItem (menu_item_name);
+               _popup_region_menu_item->set_submenu (*dynamic_cast<Menu*> (ActionManager::get_widget (X_("/PopupRegionMenu"))));
+               _popup_region_menu_item->show ();
+       } else {
+               _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);
+
+       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 ()));
        }
        edit_items.push_back (SeparatorElem());
 }
@@ -2132,14 +1803,38 @@ Editor::add_selection_context_items (Menu_Helpers::MenuList& edit_items)
        edit_items.push_back (SeparatorElem());
        edit_items.push_back (MenuElem (_("Spectral Analysis"), sigc::mem_fun(*this, &Editor::analyze_range_selection)));
 
-       if (!selection->regions.empty()) {
-               edit_items.push_back (SeparatorElem());
-               edit_items.push_back (MenuElem (_("Extend Range to End of Region"), sigc::bind (sigc::mem_fun(*this, &Editor::extend_selection_to_end_of_region), false)));
-               edit_items.push_back (MenuElem (_("Extend Range to Start of Region"), sigc::bind (sigc::mem_fun(*this, &Editor::extend_selection_to_start_of_region), false)));
-       }
+       edit_items.push_back (SeparatorElem());
+
+       edit_items.push_back (
+               MenuElem (
+                       _("Move Range Start to Previous Region Boundary"),
+                       sigc::bind (sigc::mem_fun (*this, &Editor::move_range_selection_start_or_end_to_region_boundary), false, false)
+                       )
+               );
+
+       edit_items.push_back (
+               MenuElem (
+                       _("Move Range Start to Next Region Boundary"),
+                       sigc::bind (sigc::mem_fun (*this, &Editor::move_range_selection_start_or_end_to_region_boundary), false, true)
+                       )
+               );
+
+       edit_items.push_back (
+               MenuElem (
+                       _("Move Range End to Previous Region Boundary"),
+                       sigc::bind (sigc::mem_fun (*this, &Editor::move_range_selection_start_or_end_to_region_boundary), true, false)
+                       )
+               );
+
+       edit_items.push_back (
+               MenuElem (
+                       _("Move Range End to Next Region Boundary"),
+                       sigc::bind (sigc::mem_fun (*this, &Editor::move_range_selection_start_or_end_to_region_boundary), true, true)
+                       )
+               );
 
        edit_items.push_back (SeparatorElem());
-       edit_items.push_back (MenuElem (_("Convert to region in-place"), mem_fun(*this, &Editor::separate_region_from_selection)));
+       edit_items.push_back (MenuElem (_("Convert to Region In-Place"), mem_fun(*this, &Editor::separate_region_from_selection)));
        edit_items.push_back (MenuElem (_("Convert to Region in Region List"), sigc::mem_fun(*this, &Editor::new_region_from_selection)));
 
        edit_items.push_back (SeparatorElem());
@@ -2181,7 +1876,7 @@ Editor::add_dstream_context_items (Menu_Helpers::MenuList& edit_items)
        play_items.push_back (MenuElem (_("Play From Start"), sigc::mem_fun(*this, &Editor::play_from_start)));
        play_items.push_back (MenuElem (_("Play Region"), sigc::mem_fun(*this, &Editor::play_selected_region)));
        play_items.push_back (SeparatorElem());
-       play_items.push_back (MenuElem (_("Loop Region"), sigc::mem_fun(*this, &Editor::loop_selected_region)));
+       play_items.push_back (MenuElem (_("Loop Region"), sigc::bind (sigc::mem_fun (*this, &Editor::set_loop_from_region), true)));
 
        edit_items.push_back (MenuElem (_("Play"), *play_menu));
 
@@ -2221,8 +1916,8 @@ Editor::add_dstream_context_items (Menu_Helpers::MenuList& edit_items)
 
        cutnpaste_items.push_back (SeparatorElem());
 
-       cutnpaste_items.push_back (MenuElem (_("Align"), sigc::bind (sigc::mem_fun(*this, &Editor::align), ARDOUR::SyncPoint)));
-       cutnpaste_items.push_back (MenuElem (_("Align Relative"), sigc::bind (sigc::mem_fun(*this, &Editor::align_relative), ARDOUR::SyncPoint)));
+       cutnpaste_items.push_back (MenuElem (_("Align"), sigc::bind (sigc::mem_fun (*this, &Editor::align_regions), ARDOUR::SyncPoint)));
+       cutnpaste_items.push_back (MenuElem (_("Align Relative"), sigc::bind (sigc::mem_fun (*this, &Editor::align_regions_relative), ARDOUR::SyncPoint)));
 
        edit_items.push_back (MenuElem (_("Edit"), *cutnpaste_menu));
 
@@ -2436,7 +2131,7 @@ Editor::set_state (const XMLNode& node, int /*version*/)
 {
        const XMLProperty* prop;
        XMLNode* geometry;
-       int x, y, xoff, yoff;
+       int x, y;
        Gdk::Geometry g;
 
        if ((prop = node.property ("id")) != 0) {
@@ -2447,8 +2142,6 @@ Editor::set_state (const XMLNode& node, int /*version*/)
        g.base_height = default_height;
        x = 1;
        y = 1;
-       xoff = 0;
-       yoff = 21;
 
        if ((geometry = find_named_node (node, "geometry")) != 0) {
 
@@ -2480,19 +2173,6 @@ Editor::set_state (const XMLNode& node, int /*version*/)
                if (prop) {
                        y = atoi (prop->value());
                }
-
-               if ((prop = geometry->property ("x_off")) == 0) {
-                       prop = geometry->property ("x-off");
-               }
-               if (prop) {
-                       xoff = atoi (prop->value());
-               }
-               if ((prop = geometry->property ("y_off")) == 0) {
-                       prop = geometry->property ("y-off");
-               }
-               if (prop) {
-                       yoff = atoi (prop->value());
-               }
        }
 
        set_default_size (g.base_width, g.base_height);
@@ -2500,12 +2180,12 @@ Editor::set_state (const XMLNode& node, int /*version*/)
 
        if (_session && (prop = node.property ("playhead"))) {
                framepos_t pos;
-                sscanf (prop->value().c_str(), "%" PRIi64, &pos);
+               sscanf (prop->value().c_str(), "%" PRIi64, &pos);
                playhead_cursor->set_position (pos);
        } else {
                playhead_cursor->set_position (0);
        }
-       
+
        if ((prop = node.property ("mixer-width"))) {
                editor_mixer_strip_width = Width (string_2_enum (prop->value(), editor_mixer_strip_width));
        }
@@ -2535,7 +2215,7 @@ Editor::set_state (const XMLNode& node, int /*version*/)
                set_mouse_mode (MouseObject, true);
        }
 
-       if ((prop = node.property ("left-frame")) != 0){
+       if ((prop = node.property ("left-frame")) != 0) {
                framepos_t pos;
                if (sscanf (prop->value().c_str(), "%" PRId64, &pos) == 1) {
                        reset_x_origin (pos);
@@ -2588,18 +2268,18 @@ Editor::set_state (const XMLNode& node, int /*version*/)
                }
        }
 
-        if ((prop = node.property ("stationary-playhead"))) {
-                bool yn = (prop->value() == "yes");
-                set_stationary_playhead (yn);
-                RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("toggle-stationary-playhead"));
-                if (act) {
-                        RefPtr<ToggleAction> tact = RefPtr<ToggleAction>::cast_dynamic(act);
-                        if (tact->get_active() != yn) {
-                                tact->set_active (yn);
-                        }
-                }
-        }
-        
+       if ((prop = node.property ("stationary-playhead"))) {
+               bool yn = (prop->value() == "yes");
+               set_stationary_playhead (yn);
+               RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("toggle-stationary-playhead"));
+               if (act) {
+                       RefPtr<ToggleAction> tact = RefPtr<ToggleAction>::cast_dynamic(act);
+                       if (tact->get_active() != yn) {
+                               tact->set_active (yn);
+                       }
+               }
+       }
+
        if ((prop = node.property ("region-list-sort-type"))) {
                RegionListSortType st;
                _regions->reset_sort_type ((RegionListSortType) string_2_enum (prop->value(), st), true);
@@ -2614,36 +2294,43 @@ Editor::set_state (const XMLNode& node, int /*version*/)
        if ((prop = node.property ("show-editor-mixer"))) {
 
                Glib::RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("show-editor-mixer"));
-               if (act) {
+               assert (act);
 
-                       Glib::RefPtr<ToggleAction> tact = Glib::RefPtr<ToggleAction>::cast_dynamic(act);
-                       bool yn = string_is_affirmative (prop->value());
+               Glib::RefPtr<ToggleAction> tact = Glib::RefPtr<ToggleAction>::cast_dynamic(act);
+               bool yn = string_is_affirmative (prop->value());
 
-                       /* do it twice to force the change */
+               /* do it twice to force the change */
 
-                       tact->set_active (!yn);
-                       tact->set_active (yn);
-               }
+               tact->set_active (!yn);
+               tact->set_active (yn);
        }
 
        if ((prop = node.property ("show-editor-list"))) {
 
                Glib::RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("show-editor-list"));
-               assert(act);
-               if (act) {
+               assert (act);
 
-                       Glib::RefPtr<ToggleAction> tact = Glib::RefPtr<ToggleAction>::cast_dynamic(act);
-                       bool yn = string_is_affirmative (prop->value());
+               Glib::RefPtr<ToggleAction> tact = Glib::RefPtr<ToggleAction>::cast_dynamic(act);
+               bool yn = string_is_affirmative (prop->value());
 
-                       /* do it twice to force the change */
+               /* do it twice to force the change */
 
-                       tact->set_active (!yn);
-                       tact->set_active (yn);
-               }
+               tact->set_active (!yn);
+               tact->set_active (yn);
        }
 
        if ((prop = node.property (X_("editor-list-page")))) {
-               the_notebook.set_current_page (atoi (prop->value ()));
+               _the_notebook.set_current_page (atoi (prop->value ()));
+       }
+
+       if ((prop = node.property (X_("show-marker-lines")))) {
+               Glib::RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("show-marker-lines"));
+               assert (act);
+               Glib::RefPtr<ToggleAction> tact = Glib::RefPtr<ToggleAction>::cast_dynamic (act);
+               bool yn = string_is_affirmative (prop->value ());
+
+               tact->set_active (!yn);
+               tact->set_active (yn);
        }
 
        XMLNodeList children = node.children ();
@@ -2667,9 +2354,8 @@ Editor::get_state ()
        if (is_realized()) {
                Glib::RefPtr<Gdk::Window> win = get_window();
 
-               int x, y, xoff, yoff, width, height;
+               int x, y, width, height;
                win->get_root_origin(x, y);
-               win->get_position(xoff, yoff);
                win->get_size(width, height);
 
                XMLNode* geometry = new XMLNode ("geometry");
@@ -2682,12 +2368,11 @@ Editor::get_state ()
                geometry->add_property("x-pos", string(buf));
                snprintf(buf, sizeof(buf), "%d", y);
                geometry->add_property("y-pos", string(buf));
-               snprintf(buf, sizeof(buf), "%d", xoff);
-               geometry->add_property("x-off", string(buf));
-               snprintf(buf, sizeof(buf), "%d", yoff);
-               geometry->add_property("y-off", string(buf));
                snprintf(buf,sizeof(buf), "%d",gtk_paned_get_position (static_cast<Paned*>(&edit_pane)->gobj()));
                geometry->add_property("edit-horizontal-pane-pos", string(buf));
+               geometry->add_property("notebook-shrunk", _notebook_shrunk ? "1" : "0");
+               snprintf(buf,sizeof(buf), "%d",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));
 
@@ -2716,7 +2401,7 @@ Editor::get_state ()
 
        node->add_property ("show-measures", _show_measures ? "yes" : "no");
        node->add_property ("follow-playhead", _follow_playhead ? "yes" : "no");
-        node->add_property ("stationary-playhead", _stationary_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));
@@ -2735,12 +2420,20 @@ Editor::get_state ()
                node->add_property (X_("show-editor-list"), tact->get_active() ? "yes" : "no");
        }
 
-       snprintf (buf, sizeof (buf), "%d", the_notebook.get_current_page ());
+       snprintf (buf, sizeof (buf), "%d", _the_notebook.get_current_page ());
        node->add_property (X_("editor-list-page"), buf);
 
+        if (button_bindings) {
+                XMLNode* bb = new XMLNode (X_("Buttons"));
+                button_bindings->save (*bb);
+                node->add_child_nocopy (*bb);
+        }
+
+       node->add_property (X_("show-marker-lines"), _show_marker_lines ? "yes" : "no");
+
        node->add_child_nocopy (selection->get_state ());
        node->add_child_nocopy (_regions->get_state ());
-       
+
        return *node;
 }
 
@@ -2814,11 +2507,10 @@ Editor::timecode_snap_to_internal (framepos_t& start, int32_t direction, bool /*
                break;
 
        case SnapToTimecodeSeconds:
-               if (_session->timecode_offset_negative())
-               {
-                       start += _session->timecode_offset ();
+               if (_session->config.get_timecode_offset_negative()) {
+                       start += _session->config.get_timecode_offset ();
                } else {
-                       start -= _session->timecode_offset ();
+                       start -= _session->config.get_timecode_offset ();
                }
                if (((direction == 0) && (start % one_timecode_second > one_timecode_second / 2)) || direction > 0) {
                        start = (framepos_t) ceil ((double) start / one_timecode_second) * one_timecode_second;
@@ -2826,31 +2518,28 @@ Editor::timecode_snap_to_internal (framepos_t& start, int32_t direction, bool /*
                        start = (framepos_t) floor ((double) start / one_timecode_second) * one_timecode_second;
                }
 
-               if (_session->timecode_offset_negative())
-               {
-                       start -= _session->timecode_offset ();
+               if (_session->config.get_timecode_offset_negative()) {
+                       start -= _session->config.get_timecode_offset ();
                } else {
-                       start += _session->timecode_offset ();
+                       start += _session->config.get_timecode_offset ();
                }
                break;
 
        case SnapToTimecodeMinutes:
-               if (_session->timecode_offset_negative())
-               {
-                       start += _session->timecode_offset ();
+               if (_session->config.get_timecode_offset_negative()) {
+                       start += _session->config.get_timecode_offset ();
                } else {
-                       start -= _session->timecode_offset ();
+                       start -= _session->config.get_timecode_offset ();
                }
                if (((direction == 0) && (start % one_timecode_minute > one_timecode_minute / 2)) || direction > 0) {
                        start = (framepos_t) ceil ((double) start / one_timecode_minute) * one_timecode_minute;
                } else {
                        start = (framepos_t) floor ((double) start / one_timecode_minute) * one_timecode_minute;
                }
-               if (_session->timecode_offset_negative())
-               {
-                       start -= _session->timecode_offset ();
+               if (_session->config.get_timecode_offset_negative()) {
+                       start -= _session->config.get_timecode_offset ();
                } else {
-                       start += _session->timecode_offset ();
+                       start += _session->config.get_timecode_offset ();
                }
                break;
        default:
@@ -3034,19 +2723,6 @@ Editor::snap_to_internal (framepos_t& start, int32_t direction, bool for_mark)
 void
 Editor::setup_toolbar ()
 {
-       string pixmap_path;
-
-       /* Mode Buttons (tool selection) */
-
-       mouse_move_button.set_relief(Gtk::RELIEF_NONE);
-       mouse_select_button.set_relief(Gtk::RELIEF_NONE);
-       mouse_gain_button.set_relief(Gtk::RELIEF_NONE);
-       mouse_zoom_button.set_relief(Gtk::RELIEF_NONE);
-       mouse_timefx_button.set_relief(Gtk::RELIEF_NONE);
-       mouse_audition_button.set_relief(Gtk::RELIEF_NONE);
-       // internal_edit_button.set_relief(Gtk::RELIEF_NONE);
-       join_object_range_button.set_relief(Gtk::RELIEF_NONE);
-
        HBox* mode_box = manage(new HBox);
        mode_box->set_border_width (2);
        mode_box->set_spacing(4);
@@ -3073,7 +2749,6 @@ Editor::setup_toolbar ()
        mouse_mode_button_box->pack_start (mouse_audition_button);
        mouse_mode_button_box->pack_start (internal_edit_button);
 
-       vector<string> edit_mode_strings;
        edit_mode_strings.push_back (edit_mode_to_string (Slide));
        if (!Profile->get_sae()) {
                edit_mode_strings.push_back (edit_mode_to_string (Splice));
@@ -3096,13 +2771,13 @@ Editor::setup_toolbar ()
        }
 
        _mouse_mode_tearoff->Detach.connect (sigc::bind (sigc::mem_fun(*this, &Editor::detach_tearoff), static_cast<Box*>(&toolbar_hbox),
-                                                         &_mouse_mode_tearoff->tearoff_window()));
+                                                        &_mouse_mode_tearoff->tearoff_window()));
        _mouse_mode_tearoff->Attach.connect (sigc::bind (sigc::mem_fun(*this, &Editor::reattach_tearoff), static_cast<Box*> (&toolbar_hbox),
-                                                         &_mouse_mode_tearoff->tearoff_window(), 1));
+                                                        &_mouse_mode_tearoff->tearoff_window(), 1));
        _mouse_mode_tearoff->Hidden.connect (sigc::bind (sigc::mem_fun(*this, &Editor::detach_tearoff), static_cast<Box*>(&toolbar_hbox),
-                                                         &_mouse_mode_tearoff->tearoff_window()));
+                                                        &_mouse_mode_tearoff->tearoff_window()));
        _mouse_mode_tearoff->Visible.connect (sigc::bind (sigc::mem_fun(*this, &Editor::reattach_tearoff), static_cast<Box*> (&toolbar_hbox),
-                                                          &_mouse_mode_tearoff->tearoff_window(), 1));
+                                                         &_mouse_mode_tearoff->tearoff_window(), 1));
 
        mouse_move_button.set_mode (false);
        mouse_select_button.set_mode (false);
@@ -3136,15 +2811,15 @@ Editor::setup_toolbar ()
        _zoom_box.set_border_width (0);
 
        zoom_in_button.set_name ("EditorTimeButton");
-       zoom_in_button.set_image (*(manage (new Image (Stock::ZOOM_IN, Gtk::ICON_SIZE_MENU))));
+       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_out_button.set_name ("EditorTimeButton");
-       zoom_out_button.set_image (*(manage (new Image (Stock::ZOOM_OUT, Gtk::ICON_SIZE_MENU))));
+       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_full_button.set_name ("EditorTimeButton");
-       zoom_out_full_button.set_image (*(manage (new Image (Stock::ZOOM_100, Gtk::ICON_SIZE_MENU))));
+       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_focus_selector.set_name ("ZoomFocusSelector");
@@ -3156,21 +2831,23 @@ Editor::setup_toolbar ()
        _zoom_box.pack_start (zoom_out_full_button, false, false);
 
        _zoom_box.pack_start (zoom_focus_selector);
-       
+
        /* 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")))));
-       tav_expand_button.signal_clicked().connect (sigc::bind (sigc::mem_fun(*this, &Editor::tav_zoom_step), true));
+       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->connect_proxy (tav_expand_button);
 
        tav_shrink_button.set_name ("TrackHeightButton");
-       tav_shrink_button.set_size_request(-1,20);
-       tav_shrink_button.add (*(manage (new Image (::get_icon("tav_shrink")))));
-       tav_shrink_button.signal_clicked().connect (sigc::bind (sigc::mem_fun(*this, &Editor::tav_zoom_step), false));
+       tav_shrink_button.set_size_request (-1, 20);
+       tav_shrink_button.add (*(manage (new Image (::get_icon ("tav_shrink")))));
+       act = ActionManager::get_action (X_("Editor"), X_("shrink-tracks"));
+       act->connect_proxy (tav_shrink_button);
 
        _zoom_box.pack_start (tav_shrink_button);
        _zoom_box.pack_start (tav_expand_button);
-       
+
        _zoom_tearoff = manage (new TearOff (_zoom_box));
 
        _zoom_tearoff->Detach.connect (sigc::bind (sigc::mem_fun(*this, &Editor::detach_tearoff), static_cast<Box*>(&toolbar_hbox),
@@ -3181,7 +2858,7 @@ Editor::setup_toolbar ()
                                                   &_zoom_tearoff->tearoff_window()));
        _zoom_tearoff->Visible.connect (sigc::bind (sigc::mem_fun(*this, &Editor::reattach_tearoff), static_cast<Box*> (&toolbar_hbox),
                                                    &_zoom_tearoff->tearoff_window(), 0));
-       
+
        snap_box.set_spacing (1);
        snap_box.set_border_width (2);
 
@@ -3212,7 +2889,7 @@ Editor::setup_toolbar ()
 
        nudge_box->pack_start (nudge_backward_button, false, false);
        nudge_box->pack_start (nudge_forward_button, false, false);
-       nudge_box->pack_start (nudge_clock, false, false);
+       nudge_box->pack_start (*nudge_clock, false, false);
 
 
        /* Pack everything in... */
@@ -3223,19 +2900,19 @@ Editor::setup_toolbar ()
        _tools_tearoff = manage (new TearOff (*hbox));
        _tools_tearoff->set_name ("MouseModeBase");
        _tools_tearoff->tearoff_window().signal_key_press_event().connect (sigc::bind (sigc::ptr_fun (relay_key_press), &_tools_tearoff->tearoff_window()), false);
-        
+
        if (Profile->get_sae()) {
                _tools_tearoff->set_can_be_torn_off (false);
        }
 
        _tools_tearoff->Detach.connect (sigc::bind (sigc::mem_fun(*this, &Editor::detach_tearoff), static_cast<Box*>(&toolbar_hbox),
-                                                    &_tools_tearoff->tearoff_window()));
+                                                   &_tools_tearoff->tearoff_window()));
        _tools_tearoff->Attach.connect (sigc::bind (sigc::mem_fun(*this, &Editor::reattach_tearoff), static_cast<Box*> (&toolbar_hbox),
-                                                    &_tools_tearoff->tearoff_window(), 0));
+                                                   &_tools_tearoff->tearoff_window(), 0));
        _tools_tearoff->Hidden.connect (sigc::bind (sigc::mem_fun(*this, &Editor::detach_tearoff), static_cast<Box*>(&toolbar_hbox),
-                                                    &_tools_tearoff->tearoff_window()));
+                                                   &_tools_tearoff->tearoff_window()));
        _tools_tearoff->Visible.connect (sigc::bind (sigc::mem_fun(*this, &Editor::reattach_tearoff), static_cast<Box*> (&toolbar_hbox),
-                                                     &_tools_tearoff->tearoff_window(), 0));
+                                                    &_tools_tearoff->tearoff_window(), 0));
 
        toolbar_hbox.set_spacing (10);
        toolbar_hbox.set_border_width (1);
@@ -3245,7 +2922,11 @@ Editor::setup_toolbar ()
        toolbar_hbox.pack_start (*_tools_tearoff, false, false);
 
        hbox->pack_start (snap_box, false, false);
-       hbox->pack_start (*nudge_box, false, false);
+        if (!Profile->get_small_screen()) {
+                hbox->pack_start (*nudge_box, false, false);
+        } else {
+                ARDOUR_UI::instance()->editor_transport_box().pack_start (*nudge_box, false, false);
+        }
        hbox->pack_start (panic_box, false, false);
 
        hbox->show_all ();
@@ -3253,9 +2934,15 @@ Editor::setup_toolbar ()
        toolbar_base.set_name ("ToolBarBase");
        toolbar_base.add (toolbar_hbox);
 
+       _toolbar_viewport.add (toolbar_base);
+       /* stick to the required height but allow width to vary if there's not enough room */
+       _toolbar_viewport.set_size_request (1, -1);
+
        toolbar_frame.set_shadow_type (SHADOW_OUT);
        toolbar_frame.set_name ("BaseFrame");
-       toolbar_frame.add (toolbar_base);
+       toolbar_frame.add (_toolbar_viewport);
+
+        DPIReset.connect (sigc::mem_fun (*this, &Editor::resize_text_widgets));
 }
 
 void
@@ -3268,7 +2955,7 @@ Editor::setup_tooltips ()
        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 (internal_edit_button, _("Edit Region Contents (e.g. notes)"));
-       ARDOUR_UI::instance()->set_tip (*_group_tabs, _("Groups: context-click for possible operations"));
+       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 (zoom_in_button, _("Zoom In"));
@@ -3302,7 +2989,6 @@ Editor::setup_midi_toolbar ()
 
        /* Midi sound notes */
        midi_sound_notes.add (*(manage (new Image (::get_icon("midi_sound_notes")))));
-       midi_sound_notes.set_relief(Gtk::RELIEF_NONE);
        midi_sound_notes.unset_flags (CAN_FOCUS);
 
        /* Panic */
@@ -3328,7 +3014,7 @@ Editor::convert_drop_to_paths (
        if (_session == 0) {
                return -1;
        }
-        
+
        vector<string> uris = data.get_uris();
 
        if (uris.empty()) {
@@ -3465,34 +3151,18 @@ Editor::begin_reversible_command (string name)
 }
 
 void
-Editor::commit_reversible_command ()
+Editor::begin_reversible_command (GQuark q)
 {
        if (_session) {
-               _session->commit_reversible_command ();
-       }
-}
-
-void
-Editor::set_route_group_solo (Route& route, bool yn)
-{
-       RouteGroup *route_group;
-
-       if ((route_group = route.route_group()) != 0) {
-               route_group->apply (&Route::set_solo, yn, this);
-       } else {
-               route.set_solo (yn, this);
+               _session->begin_reversible_command (q);
        }
 }
 
 void
-Editor::set_route_group_mute (Route& route, bool yn)
+Editor::commit_reversible_command ()
 {
-       RouteGroup *route_group = 0;
-
-       if ((route_group = route.route_group()) != 0) {
-               route_group->apply (&Route::set_mute, yn, this);
-       } else {
-               route.set_mute (yn, this);
+       if (_session) {
+               _session->commit_reversible_command ();
        }
 }
 
@@ -3531,14 +3201,10 @@ Editor::duplicate_dialog (bool with_dialog)
                }
        }
 
-       RegionSelection rs;
-       get_regions_for_action (rs);
+       RegionSelection rs = get_regions_from_selection_and_entered ();
 
-       if (mouse_mode != MouseRange) {
-
-               if (rs.empty()) {
-                       return;
-               }
+       if (mouse_mode != MouseRange && rs.empty()) {
+               return;
        }
 
        if (with_dialog) {
@@ -3591,79 +3257,6 @@ Editor::duplicate_dialog (bool with_dialog)
        }
 }
 
-void
-Editor::show_verbose_canvas_cursor ()
-{
-       verbose_canvas_cursor->raise_to_top();
-       verbose_canvas_cursor->show();
-       verbose_cursor_visible = true;
-}
-
-void
-Editor::hide_verbose_canvas_cursor ()
-{
-       verbose_canvas_cursor->hide();
-       verbose_cursor_visible = false;
-}
-
-double
-Editor::clamp_verbose_cursor_x (double x)
-{
-       if (x < 0) {
-               x = 0;
-       } else {
-               x = min (_canvas_width - 200.0, x);
-       }
-       return x;
-}
-
-double
-Editor::clamp_verbose_cursor_y (double y)
-{
-       if (y < canvas_timebars_vsize) {
-               y = canvas_timebars_vsize;
-       } else {
-               y = min (_canvas_height - 50, y);
-       }
-       return y;
-}
-
-void
-Editor::show_verbose_canvas_cursor_with (const string & txt, int32_t xoffset, int32_t yoffset)
-{
-       verbose_canvas_cursor->property_text() = txt.c_str();
-
-       int x, y;
-       double wx, wy;
-
-       track_canvas->get_pointer (x, y);
-       track_canvas->window_to_world (x, y, wx, wy);
-
-        wx += xoffset;
-        wy += yoffset;
-
-       /* don't get too close to the edge */
-       verbose_canvas_cursor->property_x() = clamp_verbose_cursor_x (wx);
-       verbose_canvas_cursor->property_y() = clamp_verbose_cursor_y (wy);
-
-       show_verbose_canvas_cursor ();
-}
-
-void
-Editor::set_verbose_canvas_cursor (const string & txt, double x, double y)
-{
-       verbose_canvas_cursor->property_text() = txt.c_str();
-       /* don't get too close to the edge */
-       verbose_canvas_cursor->property_x() = clamp_verbose_cursor_x (x);
-       verbose_canvas_cursor->property_y() = clamp_verbose_cursor_y (y);
-}
-
-void
-Editor::set_verbose_canvas_cursor_text (const string & txt)
-{
-       verbose_canvas_cursor->property_text() = txt.c_str();
-}
-
 void
 Editor::set_edit_mode (EditMode m)
 {
@@ -3693,7 +3286,11 @@ Editor::cycle_edit_mode ()
 void
 Editor::edit_mode_selection_done ()
 {
-       Config->set_edit_mode (string_to_edit_mode (edit_mode_selector.get_active_text ()));
+        string s = edit_mode_selector.get_active_text ();
+
+        if (!s.empty()) {
+                Config->set_edit_mode (string_to_edit_mode (s));
+        }
 }
 
 void
@@ -3855,16 +3452,19 @@ Editor::zoom_focus_selection_done ()
        }
 }
 
-gint
+bool
 Editor::edit_controls_button_release (GdkEventButton* ev)
 {
        if (Keyboard::is_context_menu_event (ev)) {
                ARDOUR_UI::instance()->add_route (this);
+       } else if (ev->button == 1) {
+               selection->clear_tracks ();
        }
-       return TRUE;
+
+       return true;
 }
 
-gint
+bool
 Editor::mouse_select_button_release (GdkEventButton* ev)
 {
        /* this handles just right-clicks */
@@ -3887,9 +3487,6 @@ Editor::set_zoom_focus (ZoomFocus f)
 
        if (zoom_focus != f) {
                zoom_focus = f;
-
-               ZoomFocusChanged (); /* EMIT_SIGNAL */
-
                instant_save ();
        }
 }
@@ -3911,7 +3508,6 @@ Editor::pane_allocation_handler (Allocation &alloc, Paned* which)
        XMLProperty* prop;
        char buf[32];
        XMLNode* node = ARDOUR_UI::instance()->editor_settings();
-       int width, height;
 
        enum Pane {
                Horizontal = 0x1,
@@ -3919,23 +3515,8 @@ Editor::pane_allocation_handler (Allocation &alloc, Paned* which)
        };
 
        static Pane done;
-       
-       XMLNode* geometry;
-
-       width = default_width;
-       height = default_height;
-
-       if ((geometry = find_named_node (*node, "geometry")) != 0) {
 
-               prop = geometry->property ("x-size");
-               if (prop) {
-                       width = atoi (prop->value());
-               }
-               prop = geometry->property ("y-size");
-               if (prop) {
-                       height = atoi (prop->value());
-               }
-       }
+       XMLNode* geometry = find_named_node (*node, "geometry");
 
        if (which == static_cast<Paned*> (&edit_pane)) {
 
@@ -3943,6 +3524,14 @@ Editor::pane_allocation_handler (Allocation &alloc, Paned* which)
                        return;
                }
 
+               if (geometry && (prop = geometry->property ("notebook-shrunk"))) {
+                       _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);
@@ -3953,11 +3542,13 @@ Editor::pane_allocation_handler (Allocation &alloc, Paned* which)
 
                if (GTK_WIDGET(edit_pane.gobj())->allocation.width > pos) {
                        edit_pane.set_position (pos);
-                       pre_maximal_horizontal_pane_position = pos;
+                       if (pre_maximal_horizontal_pane_position == 0) {
+                               pre_maximal_horizontal_pane_position = pos;
+                       }
                }
 
                done = (Pane) (done | Horizontal);
-               
+
        } else if (which == static_cast<Paned*> (&editor_summary_pane)) {
 
                if (done & Vertical) {
@@ -4022,11 +3613,14 @@ Editor::toggle_follow_playhead ()
        }
 }
 
+/** @param yn true to follow playhead, otherwise false.
+ *  @param catch_up true to reset the editor view to show the playhead (if yn == true), otherwise false.
+ */
 void
-Editor::set_follow_playhead (bool yn)
+Editor::set_follow_playhead (bool yn, bool catch_up)
 {
        if (_follow_playhead != yn) {
-               if ((_follow_playhead = yn) == true) {
+               if ((_follow_playhead = yn) == true && catch_up) {
                        /* catch up */
                        reset_x_origin_to_follow_playhead ();
                }
@@ -4037,24 +3631,24 @@ Editor::set_follow_playhead (bool yn)
 void
 Editor::toggle_stationary_playhead ()
 {
-       RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("toggle-stationary-playhead"));
-       if (act) {
-               RefPtr<ToggleAction> tact = RefPtr<ToggleAction>::cast_dynamic(act);
-               set_stationary_playhead (tact->get_active());
-       }
+       RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("toggle-stationary-playhead"));
+       if (act) {
+               RefPtr<ToggleAction> tact = RefPtr<ToggleAction>::cast_dynamic(act);
+               set_stationary_playhead (tact->get_active());
+       }
 }
 
 void
 Editor::set_stationary_playhead (bool yn)
 {
-       if (_stationary_playhead != yn) {
-               if ((_stationary_playhead = yn) == true) {
-                       /* catch up */
-                       // FIXME need a 3.0 equivalent of this 2.X call
-                       // update_current_screen ();
-               }
-               instant_save ();
-       }
+       if (_stationary_playhead != yn) {
+               if ((_stationary_playhead = yn) == true) {
+                       /* catch up */
+                       // FIXME need a 3.0 equivalent of this 2.X call
+                       // update_current_screen ();
+               }
+               instant_save ();
+       }
 }
 
 void
@@ -4193,7 +3787,7 @@ Editor::get_nudge_distance (framepos_t pos, framecnt_t& next)
 {
        framecnt_t ret;
 
-       ret = nudge_clock.current_duration (pos);
+       ret = nudge_clock->current_duration (pos);
        next = ret + 1; /* XXXX fix me */
 
        return ret;
@@ -4204,8 +3798,8 @@ Editor::playlist_deletion_dialog (boost::shared_ptr<Playlist> pl)
 {
        ArdourDialog dialog (_("Playlist Deletion"));
        Label  label (string_compose (_("Playlist %1 is currently unused.\n"
-                                       "If left alone, no audio files used by it will be cleaned.\n"
-                                       "If deleted, audio files used by it alone by will cleaned."),
+                                       "If it is kept, its audio files will not be cleaned.\n"
+                                       "If it is deleted, audio files used by it alone will be cleaned."),
                                      pl->name()));
 
        dialog.set_position (WIN_POS_CENTER);
@@ -4213,8 +3807,8 @@ Editor::playlist_deletion_dialog (boost::shared_ptr<Playlist> pl)
 
        label.show ();
 
-       dialog.add_button (_("Delete playlist"), RESPONSE_ACCEPT);
-       dialog.add_button (_("Keep playlist"), RESPONSE_REJECT);
+       dialog.add_button (_("Delete Playlist"), RESPONSE_ACCEPT);
+       dialog.add_button (_("Keep Playlist"), RESPONSE_REJECT);
        dialog.add_button (_("Cancel"), RESPONSE_CANCEL);
 
        switch (dialog.run ()) {
@@ -4313,7 +3907,7 @@ Editor::control_layout_scroll (GdkEventScroll* ev)
 void
 Editor::session_state_saved (string)
 {
-       update_title ();        
+       update_title ();
        _snapshots->redisplay ();
 }
 
@@ -4336,7 +3930,7 @@ Editor::maximise_editing_space ()
        if (post_maximal_vertical_pane_position == 0) {
                post_maximal_vertical_pane_position = editor_summary_pane.get_height();
        }
-       
+
        fullscreen ();
 
        if (post_maximal_editor_width) {
@@ -4356,8 +3950,11 @@ Editor::maximise_editing_space ()
        if (Config->get_keep_tearoffs()) {
                _mouse_mode_tearoff->set_visible (true);
                _tools_tearoff->set_visible (true);
-               _zoom_tearoff->set_visible (true);
+               if (Config->get_show_zoom_tools ()) {
+                       _zoom_tearoff->set_visible (true);
+               }
        }
+
 }
 
 void
@@ -4372,12 +3969,14 @@ Editor::restore_editing_space ()
        if (post_maximal_vertical_pane_position != editor_summary_pane.get_position()) {
                post_maximal_vertical_pane_position = editor_summary_pane.get_position();
        }
-       
+
        unfullscreen();
 
        _mouse_mode_tearoff->set_visible (true);
        _tools_tearoff->set_visible (true);
-       _zoom_tearoff->set_visible (true);
+       if (Config->get_show_zoom_tools ()) {
+               _zoom_tearoff->set_visible (true);
+       }
        post_maximal_editor_width = this->get_width();
        post_maximal_editor_height = this->get_height();
 
@@ -4495,6 +4094,16 @@ Editor::reposition_and_zoom (framepos_t frame, double fpu)
        }
 }
 
+Editor::VisualState::VisualState ()
+       : gui_state (new GUIObjectState)
+{
+}
+
+Editor::VisualState::~VisualState ()
+{
+       delete gui_state;
+}
+
 Editor::VisualState*
 Editor::current_visual_state (bool with_tracks)
 {
@@ -4504,10 +4113,8 @@ Editor::current_visual_state (bool with_tracks)
        vs->leftmost_frame = leftmost_frame;
        vs->zoom_focus = zoom_focus;
 
-       if (with_tracks) {
-               for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
-                       vs->track_states.push_back (TAVState ((*i), &(*i)->get_state()));
-               }
+       if (with_tracks) {      
+               *(vs->gui_state) = *ARDOUR_UI::instance()->gui_object_state;
        }
 
        return vs;
@@ -4562,22 +4169,14 @@ 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 (list<TAVState>::iterator i = vs.track_states.begin(); i != vs.track_states.end(); ++i) {
-               TrackViewList::iterator t;
-
-               /* check if the track still exists - it could have been deleted */
-
-               if ((t = find (track_views.begin(), track_views.end(), i->first)) != track_views.end()) {
-                       (*t)->set_state (*(i->second), Stateful::loading_state_version);
-               }
-       }
-
-
-       if (!vs.track_states.empty()) {
-               _routes->update_visibility ();
+       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;
@@ -4621,8 +4220,8 @@ Editor::post_zoom ()
 
        framepos_t frames = (framepos_t) floor (frames_per_unit * _canvas_width);
 
-       if (frames_per_unit != zoom_range_clock.current_duration()) {
-               zoom_range_clock.set (frames);
+       if (frames_per_unit != zoom_range_clock->current_duration()) {
+               zoom_range_clock->set (frames);
        }
 
        if (mouse_mode == MouseRange && selection->time.start () != selection->time.end_frame ()) {
@@ -4642,6 +4241,8 @@ Editor::post_zoom ()
        refresh_location_display();
        _summary->set_overlays_dirty ();
 
+       update_marker_labels ();
+
        instant_save ();
 }
 
@@ -4691,7 +4292,19 @@ Editor::idle_visual_changer ()
        VisualChange::Type p = pending_visual_change.pending;
        pending_visual_change.pending = (VisualChange::Type) 0;
 
-       double last_time_origin = horizontal_position ();
+       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);
@@ -4746,6 +4359,7 @@ Editor::get_preferred_edit_position (bool ignore_playhead)
        EditPoint ep = _edit_point;
 
        if (entered_marker) {
+                DEBUG_TRACE (DEBUG::CutNPaste, string_compose ("GPEP: use entered marker @ %1\n", entered_marker->position()));
                return entered_marker->position();
        }
 
@@ -4756,6 +4370,7 @@ Editor::get_preferred_edit_position (bool ignore_playhead)
        switch (ep) {
        case EditAtPlayhead:
                where = _session->audible_frame();
+                DEBUG_TRACE (DEBUG::CutNPaste, string_compose ("GPEP: use playhead @ %1\n", where));
                break;
 
        case EditAtSelectedMarker:
@@ -4768,6 +4383,7 @@ Editor::get_preferred_edit_position (bool ignore_playhead)
                                } else {
                                        where = loc->end();
                                }
+                                DEBUG_TRACE (DEBUG::CutNPaste, string_compose ("GPEP: use selected marker @ %1\n", where));
                                break;
                        }
                }
@@ -4780,6 +4396,7 @@ Editor::get_preferred_edit_position (bool ignore_playhead)
                        return 0;
                }
                snap_to (where);
+                DEBUG_TRACE (DEBUG::CutNPaste, string_compose ("GPEP: use mouse @ %1\n", where));
                break;
        }
 
@@ -4858,7 +4475,9 @@ Editor::get_regions_at (RegionSelection& rs, framepos_t where, const TrackViewLi
        }
 
        for (TrackViewList::const_iterator t = tracks->begin(); t != tracks->end(); ++t) {
+
                RouteTimeAxisView* rtv = dynamic_cast<RouteTimeAxisView*>(*t);
+
                if (rtv) {
                        boost::shared_ptr<Track> tr;
                        boost::shared_ptr<Playlist> pl;
@@ -4866,7 +4485,7 @@ Editor::get_regions_at (RegionSelection& rs, framepos_t where, const TrackViewLi
                        if ((tr = rtv->track()) && ((pl = tr->playlist()))) {
 
                                Playlist::RegionList* regions = pl->regions_at (
-                                               (framepos_t) floor ( (double)where * tr->speed()));
+                                               (framepos_t) floor ( (double) where * tr->speed()));
 
                                for (Playlist::RegionList::iterator i = regions->begin(); i != regions->end(); ++i) {
                                        RegionView* rv = rtv->view()->find_view (*i);
@@ -4901,7 +4520,7 @@ Editor::get_regions_after (RegionSelection& rs, framepos_t where, const TrackVie
                        if ((tr = rtv->track()) && ((pl = tr->playlist()))) {
 
                                Playlist::RegionList* regions = pl->regions_touched (
-                                        (framepos_t) floor ( (double)where * tr->speed()), max_framepos);
+                                       (framepos_t) floor ( (double)where * tr->speed()), max_framepos);
 
                                for (Playlist::RegionList::iterator i = regions->begin(); i != regions->end(); ++i) {
 
@@ -4918,47 +4537,96 @@ Editor::get_regions_after (RegionSelection& rs, framepos_t where, const TrackVie
        }
 }
 
-/** Find all regions which are either:
- *      - selected or
- *      - the entered_regionview (if allow_entered == true) or
- *      - under the preferred edit position AND on a selected track, or on a track
- *        which is in the same active edit-enable route group as a selected region (if allow_edit_position == true)
- *  @param rs Returned region list.
- *  @param allow_entered true to include the entered_regionview in the list.
+/** Start with regions that are selected.  Then add equivalent regions
+ *  on tracks in the same active edit-enabled route group as any of
+ *  the regions that we started with.
  */
-void
-Editor::get_regions_for_action (RegionSelection& rs, bool allow_entered, bool allow_edit_position)
+
+RegionSelection
+Editor::get_regions_from_selection ()
+{
+       return get_equivalent_regions (selection->regions, ARDOUR::Properties::edit.property_id);
+}
+
+/** Get regions using the following method:
+ *
+ *  Make an initial region list using the selected regions, unless
+ *  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.
+ *
+ *  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.
+ *
+ *  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.
+ *
+ *  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
+ *  modes only describe a time.  Hence if the edit point is `mouse' we
+ *  ignore selected tracks, as we assume the user means something by
+ *  pointing at a particular track.  Also in this case we take note of
+ *  the region directly under the edit point, as there is always just one
+ *  (rather than possibly several with non-mouse edit points).
+ */
+
+RegionSelection
+Editor::get_regions_from_selection_and_edit_point ()
 {
-       /* Start with selected regions */
-       rs = selection->regions;
+       RegionSelection regions;
 
-       /* Add the entered_regionview, if requested */
-       if (allow_entered && entered_regionview) {
-               rs.add (entered_regionview);
+       if (_edit_point == EditAtMouse && entered_regionview && !selection->regions.contains (entered_regionview)) {
+               regions.add (entered_regionview);
+       } else {
+               regions = selection->regions;
        }
 
-       if (allow_edit_position) {
+       TrackViewList tracks;
 
-               TrackViewList tracks = selection->tracks;
+       if (_edit_point != EditAtMouse) {
+               tracks = selection->tracks;
+       }
 
-               /* tracks is currently the set of selected tracks; add any other tracks that
-                * have regions that are in the same edit-activated route group as one of
-                * our regions */
-               for (RegionSelection::iterator i = rs.begin (); i != rs.end(); ++i) {
+       /* Add any other tracks that have 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) {
 
-                       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()));
-                       }
-                       
-               }
+               RouteGroup* g = (*i)->get_time_axis_view().route_group ();
 
-               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 (rs, where, tracks);
+               if (g && g->is_active() && g->is_edit()) {
+                       tracks.add (axis_views_from_routes (g->route_list()));
                }
        }
+
+       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);
+       }
+
+       return regions;
+}
+
+/** Start with regions that are selected, or the entered regionview if none are selected.
+ *  Then add equivalent regions on tracks in the same active edit-enabled route group as any
+ *  of the regions that we started with.
+ */
+
+RegionSelection
+Editor::get_regions_from_selection_and_entered ()
+{
+       RegionSelection regions = selection->regions;
+
+       if (regions.empty() && entered_regionview) {
+               regions.add (entered_regionview);
+       }
+
+       return get_equivalent_regions (regions, ARDOUR::Properties::edit.property_id);
 }
 
 void
@@ -5089,7 +4757,7 @@ Editor::idle_resize ()
                }
        }
 
-        _pending_resize_amount = 0;
+       _pending_resize_amount = 0;
        flush_canvas ();
        _group_tabs->set_dirty ();
        resize_idle_id = -1;
@@ -5117,6 +4785,12 @@ Editor::region_view_added (RegionView *)
        _summary->set_dirty ();
 }
 
+void
+Editor::region_view_removed ()
+{
+       _summary->set_dirty ();
+}
+
 TimeAxisView*
 Editor::axis_view_from_route (boost::shared_ptr<Route> r) const
 {
@@ -5167,9 +4841,11 @@ Editor::handle_new_route (RouteList& routes)
                DataType dt = route->input()->default_type();
 
                if (dt == ARDOUR::DataType::AUDIO) {
-                       rtv = new AudioTimeAxisView (*this, _session, route, *track_canvas);
+                       rtv = new AudioTimeAxisView (*this, _session, *track_canvas);
+                       rtv->set_route (route);
                } else if (dt == ARDOUR::DataType::MIDI) {
-                       rtv = new MidiTimeAxisView (*this, _session, route, *track_canvas);
+                       rtv = new MidiTimeAxisView (*this, _session, *track_canvas);
+                       rtv->set_route (route);
                } else {
                        throw unknown_type();
                }
@@ -5179,18 +4855,24 @@ Editor::handle_new_route (RouteList& routes)
 
                rtv->effective_gain_display ();
 
+                if (internal_editing()) {
+                        rtv->enter_internal_edit_mode ();
+                } else {
+                        rtv->leave_internal_edit_mode ();
+                }
+
                rtv->view()->RegionViewAdded.connect (sigc::mem_fun (*this, &Editor::region_view_added));
+               rtv->view()->RegionViewRemoved.connect (sigc::mem_fun (*this, &Editor::region_view_removed));
        }
 
        _routes->routes_added (new_views);
+       _summary->routes_added (new_views);
 
        if (show_editor_mixer_when_tracks_arrive) {
                show_editor_mixer (true);
        }
 
        editor_list_button.set_sensitive (true);
-
-       _summary->set_dirty ();
 }
 
 void
@@ -5204,7 +4886,7 @@ Editor::timeaxisview_deleted (TimeAxisView *tv)
        ENSURE_GUI_THREAD (*this, &Editor::timeaxisview_deleted, tv);
 
        RouteTimeAxisView* rtav = dynamic_cast<RouteTimeAxisView*> (tv);
-       
+
        _routes->route_removed (tv);
 
        if (tv == entered_track) {
@@ -5232,7 +4914,7 @@ Editor::timeaxisview_deleted (TimeAxisView *tv)
 
        if (rtav) {
                route = rtav->route ();
-       } 
+       }
 
        if (current_mixer_strip && current_mixer_strip->route() == route) {
 
@@ -5245,31 +4927,43 @@ Editor::timeaxisview_deleted (TimeAxisView *tv)
                } else {
                        next_tv = (*i);
                }
-               
-               
+
+
                if (next_tv) {
                        set_selected_mixer_strip (*next_tv);
                } else {
                        /* make the editor mixer strip go away setting the
                         * button to inactive (which also unticks the menu option)
                         */
-                       
+
                        ActionManager::uncheck_toggleaction ("<Actions>/Editor/show-editor-mixer");
                }
-       } 
+       }
 }
 
 void
-Editor::hide_track_in_display (TimeAxisView* tv, bool /*temponly*/)
+Editor::hide_track_in_display (TimeAxisView* tv, bool apply_to_selection)
 {
-       RouteTimeAxisView* rtv = dynamic_cast<RouteTimeAxisView*> (tv);
+       if (apply_to_selection) {
+               for (TrackSelection::iterator i = selection->tracks.begin(); i != selection->tracks.end(); ) {
 
-       if (rtv && current_mixer_strip && (rtv->route() == current_mixer_strip->route())) {
-               // this will hide the mixer strip
-               set_selected_mixer_strip (*tv);
-       }
+                       TrackSelection::iterator j = i;
+                       ++j;
+
+                       hide_track_in_display (*i, false);
+
+                       i = j;
+               }
+       } else {
+               RouteTimeAxisView* rtv = dynamic_cast<RouteTimeAxisView*> (tv);
+
+               if (rtv && current_mixer_strip && (rtv->route() == current_mixer_strip->route())) {
+                       // this will hide the mixer strip
+                       set_selected_mixer_strip (*tv);
+               }
 
-       _routes->hide_track_in_display (*tv);
+               _routes->hide_track_in_display (*tv);
+       }
 }
 
 bool
@@ -5370,11 +5064,11 @@ Editor::show_region_in_region_list ()
 void
 Editor::step_edit_status_change (bool yn)
 {
-        if (yn) {
-                start_step_editing ();
-        } else {
-                stop_step_editing ();
-        }
+       if (yn) {
+               start_step_editing ();
+       } else {
+               stop_step_editing ();
+       }
 }
 
 void
@@ -5403,52 +5097,40 @@ Editor::check_step_edit ()
 }
 
 bool
-Editor::horizontal_scroll_left_press ()
+Editor::scroll_press (Direction dir)
 {
        ++_scroll_callbacks;
-       
+
        if (_scroll_connection.connected() && _scroll_callbacks < 5) {
                /* delay the first auto-repeat */
                return true;
        }
-               
-       double x = leftmost_position() - current_page_frames() / 5;
-       if (x < 0) {
-               x = 0;
-       }
-       
-       reset_x_origin (x);
 
-       /* do hacky auto-repeat */
-       if (!_scroll_connection.connected ()) {
-               _scroll_connection = Glib::signal_timeout().connect (sigc::mem_fun (*this, &Editor::horizontal_scroll_left_press), 100);
-               _scroll_callbacks = 0;
-       }
+       switch (dir) {
+       case LEFT:
+               scroll_backward (1);
+               break;
 
-       return true;
-}
+       case RIGHT:
+               scroll_forward (1);
+               break;
 
-void
-Editor::horizontal_scroll_left_release ()
-{
-       _scroll_connection.disconnect ();
-}
+       case UP:
+               scroll_tracks_up_line ();
+               break;
 
-bool
-Editor::horizontal_scroll_right_press ()
-{
-       ++_scroll_callbacks;
-       
-       if (_scroll_connection.connected() && _scroll_callbacks < 5) {
-               /* delay the first auto-repeat */
-               return true;
+       case DOWN:
+               scroll_tracks_down_line ();
+               break;
        }
 
-       reset_x_origin (leftmost_position() + current_page_frames() / 5);
-
        /* do hacky auto-repeat */
        if (!_scroll_connection.connected ()) {
-               _scroll_connection = Glib::signal_timeout().connect (sigc::mem_fun (*this, &Editor::horizontal_scroll_right_press), 100);
+
+               _scroll_connection = Glib::signal_timeout().connect (
+                       sigc::bind (sigc::mem_fun (*this, &Editor::scroll_press), dir), 100
+                       );
+
                _scroll_callbacks = 0;
        }
 
@@ -5456,7 +5138,7 @@ Editor::horizontal_scroll_right_press ()
 }
 
 void
-Editor::horizontal_scroll_right_release ()
+Editor::scroll_release ()
 {
        _scroll_connection.disconnect ();
 }
@@ -5470,15 +5152,15 @@ Editor::reset_x_origin_to_follow_playhead ()
        if (frame < leftmost_frame || frame > leftmost_frame + current_page_frames()) {
 
                if (_session->transport_speed() < 0) {
-                       
+
                        if (frame > (current_page_frames() / 2)) {
                                center_screen (frame-(current_page_frames()/2));
                        } else {
                                center_screen (current_page_frames()/2);
                        }
-                       
+
                } else {
-                                               
+
                        if (frame < leftmost_frame) {
                                /* moving left */
                                framepos_t l = 0;
@@ -5489,11 +5171,11 @@ Editor::reset_x_origin_to_follow_playhead ()
                                        /* 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 ());
                        } else {
                                /* moving right */
@@ -5555,34 +5237,34 @@ Editor::super_rapid_screen_update ()
                        playhead_cursor->set_position (frame);
                }
 
-                if (!_stationary_playhead) {
+               if (!_stationary_playhead) {
 
-                        if (!_dragging_playhead && _follow_playhead && _session->requested_return_frame() < 0) {
-                                reset_x_origin_to_follow_playhead ();
-                        }
+                       if (!_dragging_playhead && _follow_playhead && _session->requested_return_frame() < 0) {
+                               reset_x_origin_to_follow_playhead ();
+                       }
 
-                } else {
-                       
-                        /* don't do continuous scroll till the new position is in the rightmost quarter of the
-                           editor canvas
-                        */
-#if 0                        
-                        // FIXME DO SOMETHING THAT WORKS HERE - this is 2.X code                         
-                        double target = ((double)frame - (double)current_page_frames()/2.0) / frames_per_unit;
-                        if (target <= 0.0) {
-                                target = 0.0;
-                        }
-                        if (fabs(target - current) < current_page_frames() / frames_per_unit) {
-                                target = (target * 0.15) + (current * 0.85);
-                        } else {
-                                /* relax */
-                        }
-                        
-                        current = target;
-                        set_horizontal_position (current);
+               } else {
+
+                       /* don't do continuous scroll till the new position is in the rightmost quarter of the
+                          editor canvas
+                       */
+#if 0
+                       // FIXME DO SOMETHING THAT WORKS HERE - this is 2.X code
+                       double target = ((double)frame - (double)current_page_frames()/2.0) / frames_per_unit;
+                       if (target <= 0.0) {
+                               target = 0.0;
+                       }
+                       if (fabs(target - current) < current_page_frames() / frames_per_unit) {
+                               target = (target * 0.15) + (current * 0.85);
+                       } else {
+                               /* relax */
+                       }
+
+                       current = target;
+                       set_horizontal_position (current);
 #endif
-                }
-               
+               }
+
        }
 }
 
@@ -5595,7 +5277,7 @@ Editor::session_going_away ()
        _session_connections.drop_connections ();
 
        super_rapid_screen_update_connection.disconnect ();
-       
+
        selection->clear ();
        cut_buffer->clear ();
 
@@ -5635,8 +5317,8 @@ Editor::session_going_away ()
        }
        track_views.clear ();
 
-       zoom_range_clock.set_session (0);
-       nudge_clock.set_session (0);
+       zoom_range_clock->set_session (0);
+       nudge_clock->set_session (0);
 
        editor_list_button.set_active(false);
        editor_list_button.set_sensitive(false);
@@ -5664,47 +5346,49 @@ void
 Editor::show_editor_list (bool yn)
 {
        if (yn) {
-               the_notebook.show();
+               _the_notebook.show ();
        } else {
-               the_notebook.hide();
+               _the_notebook.hide ();
        }
 }
 
 void
-Editor::change_region_layering_order (framepos_t position)
+Editor::change_region_layering_order ()
 {
-        if (!clicked_routeview) {
-                if (layering_order_editor) {
-                        layering_order_editor->hide ();
-                }
+       framepos_t const position = get_preferred_edit_position ();
+
+       if (!clicked_routeview) {
+               if (layering_order_editor) {
+                       layering_order_editor->hide ();
+               }
                return;
        }
 
-        boost::shared_ptr<Track> track = boost::dynamic_pointer_cast<Track> (clicked_routeview->route());
+       boost::shared_ptr<Track> track = boost::dynamic_pointer_cast<Track> (clicked_routeview->route());
 
-        if (!track) {
-                return;
-        }
+       if (!track) {
+               return;
+       }
 
        boost::shared_ptr<Playlist> pl = track->playlist();
 
        if (!pl) {
-                return;
-        }
-                
-        if (layering_order_editor == 0) {
-                layering_order_editor = new RegionLayeringOrderEditor(*this);
-        }
+               return;
+       }
 
-        layering_order_editor->set_context (clicked_routeview->name(), _session, pl, position);
-        layering_order_editor->maybe_present ();
+       if (layering_order_editor == 0) {
+               layering_order_editor = new RegionLayeringOrderEditor(*this);
+       }
+
+       layering_order_editor->set_context (clicked_routeview->name(), _session, pl, position);
+       layering_order_editor->maybe_present ();
 }
 
 void
-Editor::update_region_layering_order_editor (framepos_t frame)
+Editor::update_region_layering_order_editor ()
 {
        if (layering_order_editor && layering_order_editor->is_visible ()) {
-               change_region_layering_order (frame);
+               change_region_layering_order ();
        }
 }
 
@@ -5724,3 +5408,60 @@ Editor::setup_fade_images ()
        _fade_out_images[FadeSlow] = new Gtk::Image (get_icon_path (X_("crossfade-out-long-cut")));
 }
 
+
+/** @return Gtk::manage()d menu item for a given action from `editor_actions' */
+Gtk::MenuItem&
+Editor::action_menu_item (std::string const & name)
+{
+       Glib::RefPtr<Action> a = editor_actions->get_action (name);
+       assert (a);
+
+       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)
+{
+       EventBox* b = manage (new EventBox);
+       b->signal_button_press_event().connect (sigc::bind (sigc::mem_fun (*this, &Editor::notebook_tab_clicked), &widget));
+       Label* l = manage (new Label (name));
+       l->set_angle (-90);
+       b->add (*l);
+       b->show_all ();
+       _the_notebook.append_page (widget, *b);
+}
+
+bool
+Editor::notebook_tab_clicked (GdkEventButton* ev, Gtk::Widget* page)
+{
+       if (ev->type == GDK_BUTTON_PRESS || ev->type == GDK_2BUTTON_PRESS) {
+               _the_notebook.set_current_page (_the_notebook.page_num (*page));
+       }
+
+       if (ev->type == GDK_2BUTTON_PRESS) {
+
+               /* double-click on a notebook tab shrinks or expands the notebook */
+
+               if (_notebook_shrunk) {
+                       edit_pane.set_position (pre_maximal_horizontal_pane_position);
+                       _notebook_shrunk = false;
+               } else {
+                       pre_maximal_horizontal_pane_position = edit_pane.get_position ();
+                       edit_pane.set_position (edit_pane.get_position() + page->get_width());
+                       _notebook_shrunk = true;
+               }
+       }
+
+       return true;
+}
+