change design for how certain region list items operate if there are multiple regions...
[ardour.git] / gtk2_ardour / editor.cc
index c5e34c38de020cf29afd94d182d15cb97eec0418..6514f4665aee8d7e005cc3bd69227142cad5797f 100644 (file)
@@ -84,6 +84,7 @@
 #include "gui_thread.h"
 #include "simpleline.h"
 #include "rhythm_ferret.h"
+#include "actions.h"
 
 #ifdef FFT_ANALYSIS
 #include "analysis_window.h"
@@ -153,7 +154,7 @@ static const gchar *_zoom_focus_strings[] = {
        N_("Center"),
        N_("Playhead"),
        N_("Mouse"),
-       N_("Edit Point"),
+       N_("Active Mark"),
        0
 };
 
@@ -182,6 +183,7 @@ 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;
@@ -193,6 +195,15 @@ show_me_the_size (Requisition* r, const char* what)
        cerr << "size of " << what << " = " << r->width << " x " << r->height << endl;
 }
 
+void
+DragInfo::clear_copied_locations ()
+{
+       for (list<Location*>::iterator i = copied_locations.begin(); i != copied_locations.end(); ++i) {
+               delete *i;
+       }
+       copied_locations.clear ();
+}
+
 Editor::Editor ()
        : 
          /* time display buttons */
@@ -207,8 +218,7 @@ Editor::Editor ()
          range_mark_label (_("Range Markers")),
          transport_mark_label (_("Loop/Punch Ranges")),
          cd_mark_label (_("CD Markers")),
-
-         edit_packer (3, 3, true),
+         edit_packer (3, 4, true),
 
          /* the values here don't matter: layout widgets
             reset them as needed.
@@ -217,9 +227,6 @@ Editor::Editor ()
          vertical_adjustment (0.0, 0.0, 10.0, 400.0),
          horizontal_adjustment (0.0, 0.0, 20.0, 1200.0),
 
-         tempo_lines(0),
-         marker_tempo_lines(0),
-
          /* tool bar related */
 
          edit_point_clock (X_("editpoint"), false, X_("EditPointClock"), true),
@@ -247,6 +254,7 @@ Editor::Editor ()
        PublicEditor::_instance = this;
 
        session = 0;
+       _have_idled = false;
 
        selection = new Selection (this);
        cut_buffer = new Selection (this);
@@ -279,6 +287,8 @@ Editor::Editor ()
        bbt_beat_subdivision = 4;
        canvas_width = 0;
        canvas_height = 0;
+       last_autoscroll_x = 0;
+       last_autoscroll_y = 0;
        autoscroll_active = false;
        autoscroll_timeout_tag = -1;
        interthread_progress_window = 0;
@@ -293,8 +303,6 @@ Editor::Editor ()
        _show_waveforms = true;
        _show_waveforms_recording = true;
        first_action_message = 0;
-       export_dialog = 0;
-       export_range_markers_dialog = 0;
        show_gain_after_trim = false;
        ignore_route_list_reorder = false;
        no_route_list_redisplay = false;
@@ -339,13 +347,19 @@ Editor::Editor ()
        last_canvas_frame = 0;
        playhead_cursor = 0;
        button_release_can_deselect = true;
-       canvas_idle_queued = false;
        _dragging_playhead = false;
        _dragging_edit_point = false;
        _dragging_hscrollbar = false;
        select_new_marker = false;
        zoomed_to_region = false;
        rhythm_ferret = 0;
+       allow_vertical_scroll = false;
+       no_save_visual = false;
+       need_resize_line = false;
+       resize_line_y = 0;
+       old_resize_line_y = -1;
+       no_region_list_redisplay = false;
+       resize_idle_id = -1;
 
        _scrubbing = false;
        scrubbing_direction = 0;
@@ -362,12 +376,9 @@ Editor::Editor ()
        range_marker_drag_rect = 0;
        marker_drag_line = 0;
        tempo_map_change_idle_handler_id = -1;
-       canvas_hroizontally_scrolled_handler_id = -1;
        set_midi_edit_mode (MidiEditPencil, true);
        set_mouse_mode (MouseObject, true);
 
-       last_visual_state.frames_per_unit = 0;
-
        frames_per_unit = 2048; /* too early to use reset_zoom () */
        reset_hscrollbar_stepping ();
        
@@ -379,16 +390,10 @@ Editor::Editor ()
        initialize_canvas ();
 
        edit_controls_vbox.set_spacing (0);
-       horizontal_adjustment.signal_value_changed().connect (mem_fun(*this, &Editor::canvas_horizontally_scrolled), false);
+       horizontal_adjustment.signal_value_changed().connect (mem_fun(*this, &Editor::scroll_canvas_horizontally), false);
        vertical_adjustment.signal_value_changed().connect (mem_fun(*this, &Editor::tie_vertical_scrolling), true);
-       
-       track_canvas.set_hadjustment (horizontal_adjustment);
-       track_canvas.set_vadjustment (vertical_adjustment);
-       time_canvas.set_hadjustment (horizontal_adjustment);
+       track_canvas->signal_map_event().connect (mem_fun (*this, &Editor::track_canvas_map_handler));
 
-       track_canvas.signal_map_event().connect (mem_fun (*this, &Editor::track_canvas_map_handler));
-       time_canvas.signal_map_event().connect (mem_fun (*this, &Editor::time_canvas_map_handler));
-       
        controls_layout.add (edit_controls_vbox);
        controls_layout.set_name ("EditControlsBase");
        controls_layout.add_events (Gdk::SCROLL_MASK);
@@ -425,9 +430,8 @@ Editor::Editor ()
        time_canvas_vbox.pack_start (*smpte_ruler, false, false);
        time_canvas_vbox.pack_start (*frames_ruler, false, false);
        time_canvas_vbox.pack_start (*bbt_ruler, false, false);
-       time_canvas_vbox.pack_start (time_canvas, true, true);
-       time_canvas_vbox.set_size_request (-1, (int)(timebar_height * visible_timebars) + 5);
-
+       //time_canvas_vbox.set_size_request (-1, (int)(timebar_height * visible_timebars) + 2);
+       time_canvas_vbox.set_size_request (-1, -1);
        bbt_label.set_name ("EditorTimeButton");
        bbt_label.set_size_request (-1, (int)timebar_height);
        bbt_label.set_alignment (1.0, 0.5);
@@ -444,6 +448,7 @@ Editor::Editor ()
        frame_label.set_size_request (-1, (int)timebar_height);
        frame_label.set_alignment (1.0, 0.5);
        frame_label.set_padding (5,0);
+
        tempo_label.set_name ("EditorTimeButton");
        tempo_label.set_size_request (-1, (int)timebar_height);
        tempo_label.set_alignment (1.0, 0.5);
@@ -468,31 +473,31 @@ Editor::Editor ()
        transport_mark_label.set_size_request (-1, (int)timebar_height);
        transport_mark_label.set_alignment (1.0, 0.5);
        transport_mark_label.set_padding (5,0);
+
+       ruler_label_vbox.pack_start (minsec_label, false, false);
+       ruler_label_vbox.pack_start (smpte_label, false, false);
+       ruler_label_vbox.pack_start (frame_label, false, false);
+       ruler_label_vbox.pack_start (bbt_label, false, false);
        
-       time_button_vbox.pack_start (minsec_label, false, false);
-       time_button_vbox.pack_start (smpte_label, false, false);
-       time_button_vbox.pack_start (frame_label, false, false);
-       time_button_vbox.pack_start (bbt_label, false, false);
+       ruler_label_event_box.add (ruler_label_vbox);   
+       ruler_label_event_box.set_events (Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_MASK);
+       ruler_label_event_box.set_name ("TimebarLabelBase");
+       ruler_label_event_box.signal_button_release_event().connect (mem_fun(*this, &Editor::ruler_label_button_release));
+
        time_button_vbox.pack_start (meter_label, false, false);
        time_button_vbox.pack_start (tempo_label, false, false);
        time_button_vbox.pack_start (mark_label, false, false);
 
        time_button_event_box.add (time_button_vbox);
        time_button_event_box.set_name ("TimebarLabelBase");
-       time_button_frame.set_shadow_type (Gtk::SHADOW_NONE);
-       
        time_button_event_box.set_events (Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_MASK);
        time_button_event_box.signal_button_release_event().connect (mem_fun(*this, &Editor::ruler_label_button_release));
 
-       time_button_frame.add (time_button_event_box);
-       time_button_frame.set_name ("TimebarLabelBase");
-       time_button_frame.set_shadow_type (Gtk::SHADOW_ETCHED_OUT);
-
        /* these enable us to have a dedicated window (for cursor setting, etc.) 
           for the canvas areas.
        */
 
-       track_canvas_event_box.add (track_canvas);
+       track_canvas_event_box.add (*track_canvas);
 
        time_canvas_event_box.add (time_canvas_vbox);
        time_canvas_event_box.set_events (Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_MASK|Gdk::POINTER_MOTION_MASK);
@@ -502,17 +507,36 @@ Editor::Editor ()
        edit_packer.set_homogeneous (false);
        edit_packer.set_border_width (0);
        edit_packer.set_name ("EditorWindow");
+
+#ifndef THE_OLD_WAY
+
+       edit_packer.attach (ruler_label_event_box,   0, 1, 0, 1,    FILL,        SHRINK, 0, 0);
+
+       edit_packer.attach (time_button_event_box,   0, 1, 1, 2,    FILL,        SHRINK, 0, 0);
+       edit_packer.attach (time_canvas_event_box,   1, 2, 0, 1,    FILL|EXPAND, FILL, 0, 0);
+
+       edit_packer.attach (controls_layout,         0, 1, 2, 3,    FILL,        FILL|EXPAND, 0, 0);
+       edit_packer.attach (track_canvas_event_box,  1, 2, 1, 3,    FILL|EXPAND, FILL|EXPAND, 0, 0);
+
+       edit_packer.attach (zoom_box,                0, 1, 3, 4,    FILL,         FILL, 0, 0);
+       edit_packer.attach (edit_hscrollbar,         1, 2, 3, 4,    FILL|EXPAND,  FILL, 0, 0);
+
+       edit_packer.attach (edit_vscrollbar,         3, 4, 2, 3,    FILL,        FILL|EXPAND, 0, 0);
+
+#else
        
-       edit_packer.attach (edit_vscrollbar,         3, 4, 1, 2,    FILL,        FILL|EXPAND, 0, 0);
+       edit_packer.attach (edit_vscrollbar,         0, 1, 0, 4,    FILL,        FILL|EXPAND, 0, 0);
 
-       edit_packer.attach (time_button_frame,       0, 2, 0, 1,    FILL,        SHRINK, 0, 0);
-       edit_packer.attach (time_canvas_event_box,   2, 4, 0, 1,    FILL|EXPAND, FILL, 0, 0);
+       edit_packer.attach (ruler_label_event_box,   1, 2, 0, 1,    FILL,        SHRINK, 0, 0);
+       edit_packer.attach (time_button_event_box,   1, 2, 1, 2,    FILL,        SHRINK, 0, 0);
+       edit_packer.attach (time_canvas_event_box,   2, 3, 0, 1,    FILL|EXPAND, FILL, 0, 0);
 
-       edit_packer.attach (controls_layout,         1, 2, 1, 2,    FILL,        FILL|EXPAND, 0, 0);
-       edit_packer.attach (track_canvas_event_box,  2, 3, 1, 2,    FILL|EXPAND, FILL|EXPAND, 0, 0);
+       edit_packer.attach (controls_layout,         1, 2, 2, 3,    FILL,        FILL|EXPAND, 0, 0);
+       edit_packer.attach (track_canvas_event_box,  2, 3, 1, 3,    FILL|EXPAND, FILL|EXPAND, 0, 0);
 
-       edit_packer.attach (zoom_box,                1, 2, 2, 3,    FILL,         FILL, 0, 0);
-       edit_packer.attach (edit_hscrollbar,         2, 3, 2, 3,    FILL|EXPAND,  FILL, 0, 0);
+       edit_packer.attach (zoom_box,                1, 2, 3, 4,    FILL,         FILL, 0, 0);
+       edit_packer.attach (edit_hscrollbar,         2, 3, 3, 4,    FILL|EXPAND,  FILL, 0, 0);
+#endif
 
        bottom_hbox.set_border_width (2);
        bottom_hbox.set_spacing (3);
@@ -613,6 +637,10 @@ Editor::Editor ()
 
        region_list_display.set_size_request (100, -1);
        region_list_display.set_name ("RegionListDisplay");
+       /* Try to prevent single mouse presses from initiating edits.
+          This relies on a hack in gtktreeview.c:gtk_treeview_button_press()
+       */
+       region_list_display.set_data ("mouse-edits-require-mod1", (gpointer) 0x1);
 
        region_list_model = TreeStore::create (region_list_columns);
        region_list_model->set_sort_func (0, mem_fun (*this, &Editor::region_list_sorter));
@@ -620,7 +648,12 @@ Editor::Editor ()
 
        region_list_display.set_model (region_list_model);
        region_list_display.append_column (_("Regions"), region_list_columns.name);
-       region_list_display.set_headers_visible (false);
+       region_list_display.append_column (_("Start"), region_list_columns.start);
+       region_list_display.append_column (_("End"), region_list_columns.end);
+       region_list_display.append_column (_("Length"), region_list_columns.length);
+       region_list_display.append_column (_("Used"), region_list_columns.used);
+       region_list_display.append_column (_("Path to parent file"), region_list_columns.path);
+       region_list_display.set_headers_visible (true);
 
        CellRendererText* region_name_cell = dynamic_cast<CellRendererText*>(region_list_display.get_column_cell_renderer (0));
        region_name_cell->property_editable() = true;
@@ -635,7 +668,7 @@ Editor::Editor ()
        
        region_list_display.get_selection()->set_mode (SELECTION_MULTIPLE);
        region_list_display.add_object_drag (region_list_columns.region.index(), "regions");
-
+       
        /* setup DnD handling */
        
        list<TargetEntry> region_list_target_table;
@@ -648,8 +681,8 @@ Editor::Editor ()
        region_list_display.signal_drag_data_received().connect (mem_fun(*this, &Editor::region_list_display_drag_data_received));
 
        region_list_scroller.add (region_list_display);
-       region_list_scroller.set_policy (POLICY_NEVER, POLICY_AUTOMATIC);
-
+       region_list_scroller.set_policy (POLICY_AUTOMATIC, POLICY_AUTOMATIC);
+       
        region_list_display.signal_key_press_event().connect (mem_fun(*this, &Editor::region_list_display_key_press));
        region_list_display.signal_key_release_event().connect (mem_fun(*this, &Editor::region_list_display_key_release));
        region_list_display.signal_button_press_event().connect (mem_fun(*this, &Editor::region_list_display_button_press), false);
@@ -657,6 +690,9 @@ Editor::Editor ()
        region_list_display.get_selection()->signal_changed().connect (mem_fun(*this, &Editor::region_list_selection_changed));
        // region_list_display.signal_popup_menu().connect (bind (mem_fun (*this, &Editor::show_region_list_display_context_menu), 1, 0));
        
+       ARDOUR_UI::instance()->secondary_clock.mode_changed.connect (mem_fun(*this, &Editor::redisplay_regions));
+       ARDOUR::Region::RegionPropertyChanged.connect (mem_fun(*this, &Editor::update_region_row));
+       
        named_selection_scroller.add (named_selection_display);
        named_selection_scroller.set_policy (POLICY_NEVER, POLICY_AUTOMATIC);
 
@@ -713,6 +749,7 @@ Editor::Editor ()
        the_notebook.set_scrollable (true);
        the_notebook.popup_enable ();
        the_notebook.set_tab_pos (Gtk::POS_RIGHT);
+       the_notebook.show_all ();
 
        post_maximal_editor_width = 0;
        post_maximal_pane_position = 0;
@@ -748,8 +785,7 @@ Editor::Editor ()
        set_snap_to (snap_type);
        snap_mode = SnapOff;
        set_snap_mode (snap_mode);
-       _edit_point = EditAtMouse;
-       set_edit_point_preference (_edit_point);
+       set_edit_point_preference (EditAtMouse, true);
 
        XMLNode* node = ARDOUR_UI::instance()->editor_settings();
        set_state (*node);
@@ -811,6 +847,7 @@ Editor::Editor ()
        ControlProtocol::ZoomIn.connect (bind (mem_fun (*this, &Editor::temporal_zoom_step), false));
        ControlProtocol::ZoomOut.connect (bind (mem_fun (*this, &Editor::temporal_zoom_step), true));
        ControlProtocol::ScrollTimeline.connect (mem_fun (*this, &Editor::control_scroll));
+       BasicUI::AccessAction.connect (mem_fun (*this, &Editor::access_action));
 
        Config->ParameterChanged.connect (mem_fun (*this, &Editor::parameter_changed));
        Route::SyncOrderKeys.connect (mem_fun (*this, &Editor::sync_order_keys));
@@ -822,8 +859,7 @@ Editor::Editor ()
 Editor::~Editor()
 {
 #ifdef WITH_CMT
-       if(image_socket_listener)
-       {
+       if(image_socket_listener) {
                if(image_socket_listener->is_connected())
                {
                        image_socket_listener->close_connection() ;
@@ -833,6 +869,11 @@ Editor::~Editor()
                image_socket_listener = 0 ;
        }
 #endif
+
+       if (track_canvas) {
+               delete track_canvas;
+               track_canvas = 0;
+       }
 }
 
 void
@@ -954,10 +995,10 @@ Editor::zoom_adjustment_changed ()
 
        if (fpu < 1.0) {
                fpu = 1.0;
-               zoom_range_clock.set ((nframes_t) floor (fpu * canvas_width));
+               zoom_range_clock.set ((nframes64_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 ((nframes_t) floor (fpu * canvas_width));
+               zoom_range_clock.set ((nframes64_t) floor (fpu * canvas_width));
        }
        
        temporal_zoom (fpu);
@@ -977,7 +1018,7 @@ Editor::control_scroll (float fraction)
        /*
                _control_scroll_target is an optional<T>
        
-               it acts like a pointer to an nframes_t, with
+               it acts like a pointer to an nframes64_t, with
                a operator conversion to boolean to check
                that it has a value could possibly use
                playhead_cursor->current_frame to store the
@@ -990,12 +1031,12 @@ Editor::control_scroll (float fraction)
                _dragging_playhead = true;
        }
 
-       if ((fraction < 0.0f) && (*_control_scroll_target < (nframes_t) fabs(step))) {
+       if ((fraction < 0.0f) && (*_control_scroll_target < (nframes64_t) fabs(step))) {
                *_control_scroll_target = 0;
        } else if ((fraction > 0.0f) && (max_frames - *_control_scroll_target < step)) {
                *_control_scroll_target = max_frames - (current_page_frames()*2); // allow room for slop in where the PH is on the screen
        } else {
-               *_control_scroll_target += (nframes_t) floor (step);
+               *_control_scroll_target += (nframes64_t) floor (step);
        }
 
        /* move visuals, we'll catch up with it later */
@@ -1026,7 +1067,7 @@ Editor::control_scroll (float fraction)
 }
 
 bool
-Editor::deferred_control_scroll (nframes_t target)
+Editor::deferred_control_scroll (nframes64_t target)
 {
        session->request_locate (*_control_scroll_target, session->transport_rolling());
        // reset for next stream
@@ -1035,6 +1076,27 @@ Editor::deferred_control_scroll (nframes_t target)
        return false;
 }
 
+void
+Editor::access_action (std::string action_group, std::string action_item)
+{
+       if (!session) {
+               return;
+       }
+
+       ENSURE_GUI_THREAD (bind (mem_fun (*this, &Editor::access_action), action_group, action_item));
+
+       cout<< "OSC: Recieved: "<< action_item << endl;
+
+       RefPtr<Action> act;
+       act = ActionManager::get_action( action_group.c_str(), action_item.c_str() );
+
+       if (act) {
+               act->activate();
+       }
+               
+
+}
+
 void
 Editor::on_realize ()
 {
@@ -1047,6 +1109,7 @@ Editor::start_scrolling ()
 {
        scroll_connection = ARDOUR_UI::instance()->SuperRapidScreenUpdate.connect 
                (mem_fun(*this, &Editor::update_current_screen));
+
 }
 
 void
@@ -1056,7 +1119,7 @@ Editor::stop_scrolling ()
 }
 
 void
-Editor::map_position_change (nframes_t frame)
+Editor::map_position_change (nframes64_t frame)
 {
        ENSURE_GUI_THREAD (bind (mem_fun(*this, &Editor::map_position_change), frame));
 
@@ -1069,7 +1132,7 @@ Editor::map_position_change (nframes_t frame)
 }      
 
 void
-Editor::center_screen (nframes_t frame)
+Editor::center_screen (nframes64_t frame)
 {
        double page = canvas_width * frames_per_unit;
 
@@ -1082,12 +1145,12 @@ Editor::center_screen (nframes_t frame)
 }
 
 void
-Editor::center_screen_internal (nframes_t frame, float page)
+Editor::center_screen_internal (nframes64_t frame, float page)
 {
        page /= 2;
                
        if (frame > page) {
-               frame -= (nframes_t) page;
+               frame -= (nframes64_t) page;
        } else {
                frame = 0;
        }
@@ -1100,15 +1163,16 @@ Editor::handle_new_duration ()
 {
        ENSURE_GUI_THREAD (mem_fun (*this, &Editor::handle_new_duration));
 
-       nframes_t new_end = session->get_maximum_extent() + (nframes_t) floorf (current_page_frames() * 0.10f);
+       nframes64_t new_end = session->get_maximum_extent() + (nframes64_t) floorf (current_page_frames() * 0.10f);
                                  
        if (new_end > last_canvas_frame) {
                last_canvas_frame = new_end;
                horizontal_adjustment.set_upper (last_canvas_frame / frames_per_unit);
-               reset_scrolling_region ();
+               //reset_scrolling_region ();
        }
 
        horizontal_adjustment.set_value (leftmost_frame/frames_per_unit);
+       //cerr << "Editor::handle_new_duration () called ha v:l:u:ps:lcf = " << horizontal_adjustment.get_value() << ":" << horizontal_adjustment.get_lower() << ":" << horizontal_adjustment.get_upper() << ":" << horizontal_adjustment.get_page_size() << ":" << last_canvas_frame << endl;//DEBUG
 }
 
 void
@@ -1150,6 +1214,10 @@ Editor::connect_to_session (Session *t)
 {
        session = t;
 
+       /* there are never any selected regions at startup */
+
+       sensitize_the_right_region_actions (false);
+
        XMLNode* node = ARDOUR_UI::instance()->editor_settings();
        set_state (*node);
 
@@ -1196,6 +1264,9 @@ Editor::connect_to_session (Session *t)
        zoom_range_clock.set_session (session);
        _playlist_selector->set_session (session);
        nudge_clock.set_session (session);
+       nudge_clock.set (session->frame_rate() * 5); // default of 5 seconds
+
+       playhead_cursor->canvas_item.show ();
 
        if (rhythm_ferret) {
                rhythm_ferret->set_session (session);
@@ -1288,12 +1359,23 @@ Editor::connect_to_session (Session *t)
                no_route_list_redisplay = false;
                redisplay_route_list ();
        }
+       
+       switch (snap_type) {
+       case SnapToRegionStart:
+       case SnapToRegionEnd:
+       case SnapToRegionSync:
+       case SnapToRegionBoundary:
+               build_region_boundary_cache ();
+               break;
+
+       default:
+               break;
+       }
 
        /* register for undo history */
-
        session->register_with_memento_command_factory(_id, this);
 
-               start_updating ();
+       start_updating ();
 }
 
 void
@@ -1361,6 +1443,7 @@ Editor::build_cursors ()
        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);
 }
 
@@ -1438,10 +1521,10 @@ 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, nframes_t frame)
+Editor::popup_track_context_menu (int button, int32_t time, ItemType item_type, bool with_selection, nframes64_t frame)
 {
        using namespace Menu_Helpers;
-       Menu* (Editor::*build_menu_function)(nframes_t);
+       Menu* (Editor::*build_menu_function)(nframes64_t);
        Menu *menu;
 
        switch (item_type) {
@@ -1557,7 +1640,7 @@ Editor::popup_track_context_menu (int button, int32_t time, ItemType item_type,
 }
 
 Menu*
-Editor::build_track_context_menu (nframes_t ignored)
+Editor::build_track_context_menu (nframes64_t ignored)
 {
        using namespace Menu_Helpers;
 
@@ -1569,7 +1652,7 @@ Editor::build_track_context_menu (nframes_t ignored)
 }
 
 Menu*
-Editor::build_track_bus_context_menu (nframes_t ignored)
+Editor::build_track_bus_context_menu (nframes64_t ignored)
 {
        using namespace Menu_Helpers;
 
@@ -1581,7 +1664,7 @@ Editor::build_track_bus_context_menu (nframes_t ignored)
 }
 
 Menu*
-Editor::build_track_region_context_menu (nframes_t frame)
+Editor::build_track_region_context_menu (nframes64_t frame)
 {
        using namespace Menu_Helpers;
        MenuList& edit_items  = track_region_context_menu.items();
@@ -1594,10 +1677,20 @@ Editor::build_track_region_context_menu (nframes_t frame)
                boost::shared_ptr<Playlist> pl;
                
                if ((ds = rtv->get_diskstream()) && ((pl = ds->playlist()))) {
-                       Playlist::RegionList* regions = pl->regions_at ((nframes_t) floor ( (double)frame * ds->speed()));
-                       for (Playlist::RegionList::iterator i = regions->begin(); i != regions->end(); ++i) {
-                               add_region_context_items (rtv->view(), (*i), edit_items);
+                       Playlist::RegionList* regions = pl->regions_at ((nframes64_t) floor ( (double)frame * ds->speed()));
+
+                       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
+                               boost::shared_ptr<Region> dummy_region; // = NULL               
+                               add_region_context_items (rtv->view(), dummy_region, edit_items);                       
+                       } else {
+                               for (Playlist::RegionList::iterator i = regions->begin(); i != regions->end(); ++i) {
+                                       add_region_context_items (rtv->view(), (*i), edit_items);
+                               }
                        }
+
                        delete regions;
                }
        }
@@ -1608,7 +1701,7 @@ Editor::build_track_region_context_menu (nframes_t frame)
 }
 
 Menu*
-Editor::build_track_crossfade_context_menu (nframes_t frame)
+Editor::build_track_crossfade_context_menu (nframes64_t frame)
 {
        using namespace Menu_Helpers;
        MenuList& edit_items  = track_crossfade_context_menu.items();
@@ -1634,10 +1727,17 @@ Editor::build_track_crossfade_context_menu (nframes_t frame)
                                add_crossfade_context_items (atv->audio_view(), (*i), edit_items, many);
                        }
 
-                       for (Playlist::RegionList::iterator i = regions->begin(); i != regions->end(); ++i) {
-                               add_region_context_items (atv->audio_view(), (*i), edit_items);
+                       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
+                               boost::shared_ptr<Region> dummy_region; // = NULL               
+                               add_region_context_items (atv->audio_view(), dummy_region, edit_items);                 
+                       } else {
+                               for (Playlist::RegionList::iterator i = regions->begin(); i != regions->end(); ++i) {
+                                       add_region_context_items (atv->audio_view(), (*i), edit_items);
+                               }
                        }
-
                        delete regions;
                }
        }
@@ -1686,7 +1786,7 @@ Editor::analyze_range_selection()
 #endif /* FFT_ANALYSIS */
 
 Menu*
-Editor::build_track_selection_context_menu (nframes_t ignored)
+Editor::build_track_selection_context_menu (nframes64_t ignored)
 {
        using namespace Menu_Helpers;
        MenuList& edit_items  = track_selection_context_menu.items();
@@ -1787,16 +1887,18 @@ Editor::add_region_context_items (StreamView* sv, boost::shared_ptr<Region> regi
        if (region) {
                ar = boost::dynamic_pointer_cast<AudioRegion> (region);
                mr = boost::dynamic_pointer_cast<MidiRegion> (region);
-       }
 
-       /* when this particular menu pops up, make the relevant region 
-          become selected.
-       */
+               /* when this particular menu pops up, make the relevant region 
+                  become selected.
+               */
 
-       region_menu->signal_map_event().connect (bind (mem_fun(*this, &Editor::set_selected_regionview_from_map_event), sv, boost::weak_ptr<Region>(region)));
+               region_menu->signal_map_event().connect (
+                       bind (mem_fun(*this, &Editor::set_selected_regionview_from_map_event), sv, boost::weak_ptr<Region>(region)));
+               
+               items.push_back (MenuElem (_("Rename"), mem_fun(*this, &Editor::rename_region)));
+               items.push_back (MenuElem (_("Popup region editor"), mem_fun(*this, &Editor::edit_region)));
+       }
 
-       items.push_back (MenuElem (_("Rename"), mem_fun(*this, &Editor::rename_region)));
-       items.push_back (MenuElem (_("Popup region editor"), mem_fun(*this, &Editor::edit_region)));
        items.push_back (MenuElem (_("Raise to top layer"), mem_fun(*this, &Editor::raise_region_to_top)));
        items.push_back (MenuElem (_("Lower to bottom layer"), mem_fun  (*this, &Editor::lower_region_to_bottom)));
        items.push_back (SeparatorElem());
@@ -1809,25 +1911,33 @@ Editor::add_region_context_items (StreamView* sv, boost::shared_ptr<Region> regi
        items.push_back (MenuElem (_("Bounce"), mem_fun(*this, &Editor::bounce_region_selection)));
 
 #ifdef FFT_ANALYSIS
-       if (ar)
-               items.push_back (MenuElem (_("Analyze region"), mem_fun(*this, &Editor::analyze_region_selection)));
+       if (ar) {
+               items.push_back (MenuElem (_("Spectral Analysis"), mem_fun(*this, &Editor::analyze_region_selection)));
+       }
 #endif
 
        items.push_back (SeparatorElem());
 
        sigc::connection fooc;
+       boost::shared_ptr<Region> region_to_check;
+
+       if (region) {
+               region_to_check = region;
+       } else {
+               region_to_check = selection->regions.front()->region();
+       }
 
        items.push_back (CheckMenuElem (_("Lock")));
        CheckMenuItem* region_lock_item = static_cast<CheckMenuItem*>(&items.back());
-       if (region->locked()) {
+       if (region_to_check->locked()) {
                region_lock_item->set_active();
        }
        region_lock_item->signal_activate().connect (mem_fun(*this, &Editor::toggle_region_lock));
-
+       
        items.push_back (CheckMenuElem (_("Glue to Bars&Beats")));
        CheckMenuItem* bbt_glue_item = static_cast<CheckMenuItem*>(&items.back());
-
-       switch (region->positional_lock_style()) {
+       
+       switch (region_to_check->positional_lock_style()) {
        case Region::MusicTime:
                bbt_glue_item->set_active (true);
                break;
@@ -1835,13 +1945,13 @@ Editor::add_region_context_items (StreamView* sv, boost::shared_ptr<Region> regi
                bbt_glue_item->set_active (false);
                break;
        }
-
+       
        bbt_glue_item->signal_activate().connect (bind (mem_fun (*this, &Editor::set_region_lock_style), Region::MusicTime));
-
+       
        items.push_back (CheckMenuElem (_("Mute")));
        CheckMenuItem* region_mute_item = static_cast<CheckMenuItem*>(&items.back());
        fooc = region_mute_item->signal_activate().connect (mem_fun(*this, &Editor::toggle_region_mute));
-       if (region->muted()) {
+       if (region_to_check->muted()) {
                fooc.block (true);
                region_mute_item->set_active();
                fooc.block (false);
@@ -1851,15 +1961,15 @@ Editor::add_region_context_items (StreamView* sv, boost::shared_ptr<Region> regi
                items.push_back (CheckMenuElem (_("Opaque")));
                CheckMenuItem* region_opaque_item = static_cast<CheckMenuItem*>(&items.back());
                fooc = region_opaque_item->signal_activate().connect (mem_fun(*this, &Editor::toggle_region_opaque));
-               if (region->opaque()) {
+               if (region_to_check->opaque()) {
                        fooc.block (true);
                        region_opaque_item->set_active();
                        fooc.block (false);
                }
        }
-
+       
        items.push_back (CheckMenuElem (_("Original position"), mem_fun(*this, &Editor::naturalize)));
-       if (region->at_natural_position()) {
+       if (region_to_check->at_natural_position()) {
                items.back().set_sensitive (false);
        }
        
@@ -1951,7 +2061,7 @@ Editor::add_region_context_items (StreamView* sv, boost::shared_ptr<Region> regi
        items.push_back (MenuElem (_("Multi-Duplicate"), (bind (mem_fun(*this, &Editor::duplicate_dialog), true))));
        items.push_back (MenuElem (_("Fill Track"), (mem_fun(*this, &Editor::region_fill_track))));
        items.push_back (SeparatorElem());
-       items.push_back (MenuElem (_("Remove"), mem_fun(*this, &Editor::remove_clicked_region)));
+       items.push_back (MenuElem (_("Remove"), mem_fun(*this, &Editor::remove_selected_regions)));
 
        /* OK, stick the region submenu at the top of the list, and then add
           the standard items.
@@ -1962,7 +2072,7 @@ Editor::add_region_context_items (StreamView* sv, boost::shared_ptr<Region> regi
        */
 
        string::size_type pos = 0;
-       string menu_item_name = region->name();
+       string menu_item_name = (region) ? region->name() : _("Selected regions");
 
        while ((pos = menu_item_name.find ("_", pos)) != string::npos) {
                menu_item_name.replace (pos, 1, "__");
@@ -1989,7 +2099,7 @@ Editor::add_selection_context_items (Menu_Helpers::MenuList& edit_items)
 
 #ifdef FFT_ANALYSIS
        items.push_back (SeparatorElem());
-       items.push_back (MenuElem (_("Analyze range"), mem_fun(*this, &Editor::analyze_range_selection)));
+       items.push_back (MenuElem (_("Spectral Analysis"), mem_fun(*this, &Editor::analyze_range_selection)));
 #endif
        
        items.push_back (SeparatorElem());
@@ -2015,8 +2125,9 @@ Editor::add_selection_context_items (Menu_Helpers::MenuList& edit_items)
        items.push_back (MenuElem (_("Duplicate range"), bind (mem_fun(*this, &Editor::duplicate_dialog), false)));
        items.push_back (MenuElem (_("Create chunk from range"), mem_fun(*this, &Editor::create_named_selection)));
        items.push_back (SeparatorElem());
-       items.push_back (MenuElem (_("Bounce range"), mem_fun(*this, &Editor::bounce_range_selection)));
-       items.push_back (MenuElem (_("Export range"), mem_fun(*this, &Editor::export_selection)));
+       items.push_back (MenuElem (_("Consolidate range"), bind (mem_fun(*this, &Editor::bounce_range_selection), true)));
+       items.push_back (MenuElem (_("Bounce range to region list"), bind (mem_fun(*this, &Editor::bounce_range_selection), false)));
+       items.push_back (MenuElem (_("Export range"), mem_fun(*this, &Editor::export_range)));
 }
 
        
@@ -2090,7 +2201,7 @@ Editor::add_dstream_context_items (Menu_Helpers::MenuList& edit_items)
        
        edit_items.push_back (SeparatorElem());
        edit_items.push_back (MenuElem (_("Insert Selected Region"), bind (mem_fun(*this, &Editor::insert_region_list_selection), 1.0f)));
-       edit_items.push_back (MenuElem (_("Insert Existing Audio"), bind (mem_fun(*this, &Editor::add_external_audio_action), ImportToTrack)));
+       edit_items.push_back (MenuElem (_("Insert Existing Media"), bind (mem_fun(*this, &Editor::add_external_audio_action), ImportToTrack)));
 
        /* Nudge track */
 
@@ -2163,19 +2274,18 @@ Editor::add_bus_context_items (Menu_Helpers::MenuList& edit_items)
        edit_items.push_back (MenuElem (_("Nudge"), *nudge_menu));
 }
 
-/* CURSOR SETTING AND MARKS AND STUFF */
-
 void
 Editor::set_snap_to (SnapType st)
-{      
-   unsigned int snap_ind = (unsigned int)st;
-       snap_type = st;
-
-   if ( snap_ind > snap_type_strings.size() - 1 ) {
-      snap_ind = 0;
-      snap_type = (SnapType)snap_ind;
-   }
+{
+       unsigned int snap_ind = (unsigned int)st;
 
+       snap_type = st;
+       
+       if (snap_ind > snap_type_strings.size() - 1) {
+               snap_ind = 0;
+               snap_type = (SnapType)snap_ind;
+       }
+       
        string str = snap_type_strings[snap_ind];
 
        if (str != snap_type_selector.get_active_text()) {
@@ -2190,9 +2300,17 @@ Editor::set_snap_to (SnapType st)
        case SnapToAEighthBeat:
        case SnapToAQuarterBeat:
        case SnapToAThirdBeat:
-                compute_bbt_ruler_scale (leftmost_frame, leftmost_frame + (nframes_t)(canvas_width * frames_per_unit));
-                update_tempo_based_rulers ();
+               compute_bbt_ruler_scale (leftmost_frame, leftmost_frame + (nframes_t)(edit_packer.get_width() * frames_per_unit));
+               update_tempo_based_rulers ();
+               break;
+
+       case SnapToRegionStart:
+       case SnapToRegionEnd:
+       case SnapToRegionSync:
+       case SnapToRegionBoundary:
+               build_region_boundary_cache ();
                break;
+
        default:
                /* relax */
                break;
@@ -2212,9 +2330,9 @@ Editor::set_snap_mode (SnapMode mode)
        instant_save ();
 }
 void
-Editor::set_edit_point_preference (EditPoint ep)
+Editor::set_edit_point_preference (EditPoint ep, bool force)
 {
-       bool changed = _edit_point != ep;
+       bool changed = (_edit_point != ep);
 
        _edit_point = ep;
        string str = edit_point_strings[(int)ep];
@@ -2225,32 +2343,57 @@ Editor::set_edit_point_preference (EditPoint ep)
 
        set_canvas_cursor ();
 
-       if (!changed) {
+       if (!force && !changed) {
                return;
        }
 
-       if (Profile->get_sae()) {
-
-               switch (zoom_focus) {
-               case ZoomFocusMouse:
-               case ZoomFocusPlayhead:
-               case ZoomFocusEdit:
-                       switch (_edit_point) {
-                       case EditAtMouse:
-                               set_zoom_focus (ZoomFocusMouse);
-                               break;
-                       case EditAtPlayhead:
-                               set_zoom_focus (ZoomFocusPlayhead);
-                               break;
-                       case EditAtSelectedMarker:
-                               set_zoom_focus (ZoomFocusEdit);
-                               break;
-                       }
+       switch (zoom_focus) {
+       case ZoomFocusMouse:
+       case ZoomFocusPlayhead:
+       case ZoomFocusEdit:
+               switch (_edit_point) {
+               case EditAtMouse:
+                       set_zoom_focus (ZoomFocusMouse);
                        break;
-               default:
+               case EditAtPlayhead:
+                       set_zoom_focus (ZoomFocusPlayhead);
+                       break;
+               case EditAtSelectedMarker:
+                       set_zoom_focus (ZoomFocusEdit);
                        break;
                }
-       } 
+               break;
+       default:
+               break;
+       }
+
+       const char* action;
+
+       switch (_edit_point) {
+       case EditAtPlayhead:
+               action = "edit-at-playhead";
+               break;
+       case EditAtSelectedMarker:
+               action = "edit-at-marker";
+               break;
+       case EditAtMouse:
+               action = "edit-at-mouse";
+               break;
+       }
+
+       Glib::RefPtr<Action> act = ActionManager::get_action ("Editor", action);
+       if (act) {
+               Glib::RefPtr<RadioAction>::cast_dynamic(act)->set_active (true);
+       }
+
+       nframes64_t foo;
+       bool in_track_canvas;
+
+       if (!mouse_frame (foo, in_track_canvas)) {
+               in_track_canvas = false;
+       }
+
+       reset_canvas_action_sensitivity (in_track_canvas);
 
        instant_save ();
 }
@@ -2290,7 +2433,7 @@ Editor::set_state (const XMLNode& node)
        move (x, y);
 
        if (session && (prop = node.property ("playhead"))) {
-               nframes_t pos = atol (prop->value().c_str());
+               nframes64_t pos = atol (prop->value().c_str());
                playhead_cursor->set_position (pos);
        } else {
                playhead_cursor->set_position (0);
@@ -2325,7 +2468,7 @@ Editor::set_state (const XMLNode& node)
        }
 
        if ((prop = node.property ("edit-point"))) {
-               set_edit_point_preference ((EditPoint) string_2_enum (prop->value(), _edit_point));
+               set_edit_point_preference ((EditPoint) string_2_enum (prop->value(), _edit_point), true);
        }
 
        if ((prop = node.property ("mouse-mode"))) {
@@ -2340,7 +2483,7 @@ Editor::set_state (const XMLNode& node)
        if ((prop = node.property ("show-waveforms"))) {
                bool yn = (prop->value() == "yes");
                _show_waveforms = !yn;
-               RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("ToggleWaveformVisibility"));
+               RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("toggle-waveform-visible"));
                if (act) {
                        RefPtr<ToggleAction> tact = RefPtr<ToggleAction>::cast_dynamic(act);
                        /* do it twice to force the change */
@@ -2481,7 +2624,7 @@ Editor::get_state ()
 
        node->add_property ("edit-point", enum_2_string (_edit_point));
 
-       snprintf (buf, sizeof (buf), "%" PRIu32, playhead_cursor->current_frame);
+       snprintf (buf, sizeof (buf), "%" PRIi64, playhead_cursor->current_frame);
        node->add_property ("playhead", buf);
 
        node->add_property ("show-waveforms", _show_waveforms ? "yes" : "no");
@@ -2527,13 +2670,19 @@ Editor::trackview_by_y_position (double y)
 void
 Editor::snap_to (nframes64_t& start, int32_t direction, bool for_mark)
 {
-       Location* before = 0;
-       Location* after = 0;
-
        if (!session || snap_mode == SnapOff) {
                return;
        }
 
+       snap_to_internal (start, direction, for_mark);
+}
+
+void
+Editor::snap_to_internal (nframes64_t& start, int32_t direction, bool for_mark)
+{
+       Location* before = 0;
+       Location* after = 0;
+
        const nframes64_t one_second = session->frame_rate();
        const nframes64_t one_minute = session->frame_rate() * 60;
        const nframes64_t one_smpte_second = (nframes64_t)(rint(session->smpte_frames_per_second()) * session->frames_per_smpte_frame());
@@ -2542,18 +2691,18 @@ Editor::snap_to (nframes64_t& start, int32_t direction, bool for_mark)
 
        switch (snap_type) {
        case SnapToCDFrame:
-               if (direction) {
-                       start = (nframes_t) ceil ((double) start / (one_second / 75)) * (one_second / 75);
+               if (((direction == 0) && (start % (one_second/75) > (one_second/75) / 2)) || (direction > 0)) {
+                       start = (nframes64_t) ceil ((double) start / (one_second / 75)) * (one_second / 75);
                } else {
-                       start = (nframes_t) floor ((double) start / (one_second / 75)) * (one_second / 75);
+                       start = (nframes64_t) floor ((double) start / (one_second / 75)) * (one_second / 75);
                }
                break;
 
        case SnapToSMPTEFrame:
-               if (fmod((double)start, (double)session->frames_per_smpte_frame()) > (session->frames_per_smpte_frame() / 2)) {
-                       start = (nframes_t) (ceil ((double) start / session->frames_per_smpte_frame()) * session->frames_per_smpte_frame());
+               if (((direction == 0) && (fmod((double)start, (double)session->frames_per_smpte_frame()) > (session->frames_per_smpte_frame() / 2))) || (direction > 0)) {
+                       start = (nframes64_t) (ceil ((double) start / session->frames_per_smpte_frame()) * session->frames_per_smpte_frame());
                } else {
-                       start = (nframes_t) (floor ((double) start / session->frames_per_smpte_frame()) *  session->frames_per_smpte_frame());
+                       start = (nframes64_t) (floor ((double) start / session->frames_per_smpte_frame()) *  session->frames_per_smpte_frame());
                }
                break;
 
@@ -2564,10 +2713,10 @@ Editor::snap_to (nframes64_t& start, int32_t direction, bool for_mark)
                } else {
                        start -= session->smpte_offset ();
                }    
-               if (start % one_smpte_second > one_smpte_second / 2) {
-                       start = (nframes_t) ceil ((double) start / one_smpte_second) * one_smpte_second;
+               if (((direction == 0) && (start % one_smpte_second > one_smpte_second / 2)) || direction > 0) {
+                       start = (nframes64_t) ceil ((double) start / one_smpte_second) * one_smpte_second;
                } else {
-                       start = (nframes_t) floor ((double) start / one_smpte_second) * one_smpte_second;
+                       start = (nframes64_t) floor ((double) start / one_smpte_second) * one_smpte_second;
                }
                
                if (session->smpte_offset_negative())
@@ -2585,10 +2734,10 @@ Editor::snap_to (nframes64_t& start, int32_t direction, bool for_mark)
                } else {
                        start -= session->smpte_offset ();
                }
-               if (start % one_smpte_minute > one_smpte_minute / 2) {
-                       start = (nframes_t) ceil ((double) start / one_smpte_minute) * one_smpte_minute;
+               if (((direction == 0) && (start % one_smpte_minute > one_smpte_minute / 2)) || direction > 0) {
+                       start = (nframes64_t) ceil ((double) start / one_smpte_minute) * one_smpte_minute;
                } else {
-                       start = (nframes_t) floor ((double) start / one_smpte_minute) * one_smpte_minute;
+                       start = (nframes64_t) floor ((double) start / one_smpte_minute) * one_smpte_minute;
                }
                if (session->smpte_offset_negative())
                {
@@ -2599,18 +2748,18 @@ Editor::snap_to (nframes64_t& start, int32_t direction, bool for_mark)
                break;
                
        case SnapToSeconds:
-               if (start % one_second > one_second / 2) {
-                       start = (nframes_t) ceil ((double) start / one_second) * one_second;
+               if (((direction == 0) && (start % one_second > one_second / 2)) || (direction > 0)) {
+                       start = (nframes64_t) ceil ((double) start / one_second) * one_second;
                } else {
-                       start = (nframes_t) floor ((double) start / one_second) * one_second;
+                       start = (nframes64_t) floor ((double) start / one_second) * one_second;
                }
                break;
                
        case SnapToMinutes:
-               if (start % one_minute > one_minute / 2) {
-                       start = (nframes_t) ceil ((double) start / one_minute) * one_minute;
+               if (((direction == 0) && (start % one_minute > one_minute / 2)) || (direction > 0)) {
+                       start = (nframes64_t) ceil ((double) start / one_minute) * one_minute;
                } else {
-                       start = (nframes_t) floor ((double) start / one_minute) * one_minute;
+                       start = (nframes64_t) floor ((double) start / one_minute) * one_minute;
                }
                break;
 
@@ -2687,7 +2836,7 @@ Editor::snap_to (nframes64_t& start, int32_t direction, bool for_mark)
        case SnapToRegionSync:
        case SnapToRegionBoundary:
                if (!region_boundary_cache.empty()) {
-                       vector<nframes_t>::iterator i;
+                       vector<nframes64_t>::iterator i;
 
                        if (direction > 0) {
                                i = std::upper_bound (region_boundary_cache.begin(), region_boundary_cache.end(), start);
@@ -2696,11 +2845,19 @@ Editor::snap_to (nframes64_t& start, int32_t direction, bool for_mark)
                        }
                        
                        if (i != region_boundary_cache.end()) {
+
+                               /* lower bound doesn't quite to the right thing for our purposes */
+
+                               if (direction < 0 && i != region_boundary_cache.begin()) {
+                                       --i;
+                               }
+
                                start = *i;
+
                        } else {
                                start = region_boundary_cache.back();
                        }
-               }
+               } 
                break;
        }
 
@@ -2729,7 +2886,7 @@ Editor::snap_to (nframes64_t& start, int32_t direction, bool for_mark)
 }
 
 double
-Editor::snap_length_beats (nframes_t start)
+Editor::snap_length_beats (nframes64_t start)
 {
        if (!session) {
                return 1.0;
@@ -3019,6 +3176,9 @@ Editor::setup_midi_toolbar ()
        midi_tool_select_button.add (*(manage (new Image (::get_icon("midi_tool_select")))));
        midi_tool_select_button.set_relief(Gtk::RELIEF_NONE);
        midi_tool_buttons.push_back (&midi_tool_select_button);
+       midi_tool_resize_button.add (*(manage (new Image (::get_icon("strip_width")))));
+       midi_tool_resize_button.set_relief(Gtk::RELIEF_NONE);
+       midi_tool_buttons.push_back (&midi_tool_resize_button);
        midi_tool_erase_button.add (*(manage (new Image (::get_icon("midi_tool_erase")))));
        midi_tool_erase_button.set_relief(Gtk::RELIEF_NONE);
        midi_tool_buttons.push_back (&midi_tool_erase_button);
@@ -3028,29 +3188,34 @@ Editor::setup_midi_toolbar ()
        midi_tool_button_set = new GroupedButtons (midi_tool_buttons);
 
        midi_tool_button_box.set_border_width (2);
-       midi_tool_button_box.set_spacing(4);
        midi_tool_button_box.set_spacing(1);
        midi_tool_button_box.pack_start(midi_tool_pencil_button, true, true);
        midi_tool_button_box.pack_start(midi_tool_select_button, true, true);
+       midi_tool_button_box.pack_start(midi_tool_resize_button, true, true);
        midi_tool_button_box.pack_start(midi_tool_erase_button, true, true);
        midi_tool_button_box.set_homogeneous(true);
 
        midi_tool_pencil_button.set_name ("MouseModeButton");
        midi_tool_select_button.set_name ("MouseModeButton");
+       midi_tool_resize_button.set_name ("MouseModeButton");
        midi_tool_erase_button.set_name ("MouseModeButton");
 
        ARDOUR_UI::instance()->tooltips().set_tip (midi_tool_pencil_button, _("Add/Move/Stretch Notes"));
        ARDOUR_UI::instance()->tooltips().set_tip (midi_tool_select_button, _("Select/Move Notes"));
+       ARDOUR_UI::instance()->tooltips().set_tip (midi_tool_resize_button, _("Resize Notes"));
        ARDOUR_UI::instance()->tooltips().set_tip (midi_tool_erase_button, _("Erase Notes"));
 
        midi_tool_pencil_button.unset_flags (CAN_FOCUS);
        midi_tool_select_button.unset_flags (CAN_FOCUS);
+       midi_tool_resize_button.unset_flags (CAN_FOCUS);
        midi_tool_erase_button.unset_flags (CAN_FOCUS);
        
        midi_tool_pencil_button.signal_toggled().connect (bind (mem_fun(*this,
                                &Editor::midi_edit_mode_toggled), Editing::MidiEditPencil));
        midi_tool_select_button.signal_toggled().connect (bind (mem_fun(*this,
                                &Editor::midi_edit_mode_toggled), Editing::MidiEditSelect));
+       midi_tool_resize_button.signal_toggled().connect (bind (mem_fun(*this,
+                               &Editor::midi_edit_mode_toggled), Editing::MidiEditResize));
        midi_tool_erase_button.signal_toggled().connect (bind (mem_fun(*this,
                                &Editor::midi_edit_mode_toggled), Editing::MidiEditErase));
        
@@ -3401,13 +3566,23 @@ Editor::hide_verbose_canvas_cursor ()
 double
 Editor::clamp_verbose_cursor_x (double x)
 {
-       return min (horizontal_adjustment.get_value() + canvas_width - 75.0, x);
+       if (x < 0) {
+               x = 0;
+       } else {
+               x = min (canvas_width - 200.0, x);
+       }
+       return x;
 }
 
 double
 Editor::clamp_verbose_cursor_y (double y)
 {
-       return min (vertical_adjustment.get_value() + canvas_height - 50.0, y);
+       if (y < canvas_timebars_vsize) {
+               y = canvas_timebars_vsize;
+       } else {
+               y = min (canvas_height - 50, y);
+       }
+       return y;
 }
 
 void
@@ -3416,7 +3591,7 @@ 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_x (y);
+       verbose_canvas_cursor->property_y() = clamp_verbose_cursor_y (y);
 }
 
 void
@@ -3596,7 +3771,9 @@ Editor::zoom_focus_selection_done ()
                focus_type = ZoomFocusPlayhead;
        } else if (choice == _("Edit")) {
                focus_type = ZoomFocusEdit;
-       } else if (choice == _("Edit Point")) {
+       } else if (choice == _("Active Mark")) {
+               focus_type = ZoomFocusEdit;
+       } else if (choice == _("Active Mark")) {
                focus_type = ZoomFocusEdit;
        } else {
                focus_type = ZoomFocusMouse;
@@ -3646,7 +3823,7 @@ Editor::get_valid_views (TimeAxisView* track, RouteGroup* group)
                        v->push_back (*i);
                }
 
-       } else if (track != 0 && group == 0 || (track != 0 && group != 0 && !group->is_active())) {
+       } else if ((track != 0 && group == 0) || (track != 0 && group != 0 && !group->is_active())) {
                
                /* just the view for this track
                 */
@@ -3728,7 +3905,7 @@ Editor::pane_allocation_handler (Allocation &alloc, Paned* which)
                } else {
                        pos = atoi (prop->value());
                }
-               
+
                if ((done = GTK_WIDGET(edit_pane.gobj())->allocation.width > pos)) {
                        edit_pane.set_position (pos);
                        pre_maximal_pane_position = pos;
@@ -3836,10 +4013,10 @@ Editor::playlist_selector () const
        return *_playlist_selector;
 }
 
-nframes_t
-Editor::get_nudge_distance (nframes_t pos, nframes_t& next)
+nframes64_t
+Editor::get_nudge_distance (nframes64_t pos, nframes64_t& next)
 {
-       nframes_t ret;
+       nframes64_t ret;
 
        ret = nudge_clock.current_duration (pos);
        next = ret + 1; /* XXXX fix me */
@@ -3851,7 +4028,8 @@ void
 Editor::end_location_changed (Location* location)
 {
        ENSURE_GUI_THREAD (bind (mem_fun(*this, &Editor::end_location_changed), location));
-       reset_scrolling_region ();
+       //reset_scrolling_region ();
+       horizontal_adjustment.set_upper ( location->start());
 }
 
 int
@@ -3891,7 +4069,7 @@ Editor::playlist_deletion_dialog (boost::shared_ptr<Playlist> pl)
 }
 
 bool
-Editor::audio_region_selection_covers (nframes_t where)
+Editor::audio_region_selection_covers (nframes64_t where)
 {
        for (RegionSelection::iterator a = selection->regions.begin(); a != selection->regions.end(); ++a) {
                if ((*a)->region()->covers (where)) {
@@ -3910,6 +4088,15 @@ Editor::prepare_for_cleanup ()
 
        selection->clear_regions ();
        selection->clear_playlists ();
+
+       no_region_list_redisplay = true;
+}
+
+void
+Editor::finish_cleanup ()
+{
+       no_region_list_redisplay = false;
+       redisplay_regions ();
 }
 
 Location*
@@ -4113,8 +4300,6 @@ Editor::session_state_saved (string snap_name)
 void
 Editor::maximise_editing_space ()
 {
-       initial_ruler_update_required = true;
-
        mouse_mode_tearoff->set_visible (false);
        tools_tearoff->set_visible (false);
 
@@ -4125,8 +4310,8 @@ Editor::maximise_editing_space ()
                post_maximal_pane_position = edit_pane.get_width();
        }
 
-
        fullscreen();
+
        if(post_maximal_editor_width) {
                edit_pane.set_position (post_maximal_pane_position - 
                        abs(post_maximal_editor_width - pre_maximal_editor_width));
@@ -4138,9 +4323,8 @@ Editor::maximise_editing_space ()
 void
 Editor::restore_editing_space ()
 {
-       initial_ruler_update_required = true;
-
        // user changed width of pane during fullscreen
+
        if(post_maximal_pane_position != edit_pane.get_position()) {
                post_maximal_pane_position = edit_pane.get_position();
        }
@@ -4151,10 +4335,7 @@ Editor::restore_editing_space ()
        tools_tearoff->set_visible (true);
        post_maximal_editor_width = this->get_width();
 
-
-       edit_pane.set_position (
-               pre_maximal_pane_position + abs(this->get_width() - pre_maximal_editor_width)
-       );
+       edit_pane.set_position (pre_maximal_pane_position + abs(this->get_width() - pre_maximal_editor_width));
 }
 
 /**
@@ -4231,8 +4412,9 @@ Editor::on_key_release_event (GdkEventKey* ev)
 }
 
 void
-Editor::reset_x_origin (nframes_t frame)
+Editor::reset_x_origin (nframes64_t frame)
 {
+       //cerr << "resetting x origin" << endl;
        queue_visual_change (frame);
 }
 
@@ -4243,28 +4425,97 @@ Editor::reset_zoom (double fpu)
 }
 
 void
-Editor::reposition_and_zoom (nframes_t frame, double fpu)
+Editor::reposition_and_zoom (nframes64_t frame, double fpu)
 {
+       //cerr << "Editor::reposition_and_zoom () called ha v:l:u:ps:fpu = " << horizontal_adjustment.get_value() << ":" << horizontal_adjustment.get_lower() << ":" << horizontal_adjustment.get_upper() << ":" << horizontal_adjustment.get_page_size() << ":" << frames_per_unit << endl;//DEBUG
        reset_x_origin (frame);
        reset_zoom (fpu);
+
+       if (!no_save_visual) {
+               undo_visual_stack.push_back (current_visual_state(false));
+       }
+}
+
+Editor::VisualState*
+Editor::current_visual_state (bool with_tracks)
+{
+       VisualState* vs = new VisualState;
+       vs->y_position = vertical_adjustment.get_value();
+       vs->frames_per_unit = frames_per_unit;
+       vs->leftmost_frame = leftmost_frame;
+       vs->zoom_focus = zoom_focus;
+       vs->zoomed_to_region = zoomed_to_region;
+
+       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()));
+               }
+       }
+       
+       return vs;
 }
 
 void
-Editor::swap_visual_state ()
+Editor::undo_visual_state ()
 {
-       if (last_visual_state.frames_per_unit == 0) {
-               // never set
+       if (undo_visual_stack.empty()) {
                return;
        }
 
-       /* note: the correct functionality here is very dependent on the ordering of 
-          setting zoom focus, horizontal position and finally zoom. this is because
-          it is set_frames_per_unit() that overwrites last_visual_state.
-       */
+       VisualState* vs = undo_visual_stack.back();
+       undo_visual_stack.pop_back();
+       use_visual_state (*vs);
+       redo_visual_stack.push_back (vs);
+}
 
-       set_zoom_focus (last_visual_state.zoom_focus);
-       reposition_and_zoom (last_visual_state.leftmost_frame, last_visual_state.frames_per_unit);
-       zoomed_to_region = false;
+void
+Editor::redo_visual_state ()
+{
+       if (redo_visual_stack.empty()) {
+               return;
+       }
+
+       VisualState* vs = redo_visual_stack.back();
+       redo_visual_stack.pop_back();
+       use_visual_state (*vs);
+       undo_visual_stack.push_back (vs);
+}
+
+void
+Editor::swap_visual_state ()
+{
+       if (undo_visual_stack.empty()) {
+               redo_visual_state ();
+       } else {
+               undo_visual_state ();
+       }
+}
+
+void
+Editor::use_visual_state (VisualState& vs)
+{
+       no_save_visual = true;
+
+       vertical_adjustment.set_value (vs.y_position);
+
+       set_zoom_focus (vs.zoom_focus);
+       reposition_and_zoom (vs.leftmost_frame, vs.frames_per_unit);
+
+       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));
+               }
+       }
+
+       if (!vs.track_states.empty()) {
+               update_route_visibility ();
+       } 
+       
+       no_save_visual = false;
 }
 
 void
@@ -4291,14 +4542,6 @@ Editor::set_frames_per_unit (double fpu)
                return;
        }
 
-       if (fpu == frames_per_unit) {
-               return;
-       }
-       
-       last_visual_state.frames_per_unit = frames_per_unit;
-       last_visual_state.leftmost_frame = leftmost_frame;
-       last_visual_state.zoom_focus = zoom_focus;
-
        frames_per_unit = fpu;
        post_zoom ();
 }
@@ -4308,7 +4551,7 @@ Editor::post_zoom ()
 {
        // convert fpu to frame count
 
-       nframes_t frames = (nframes_t) floor (frames_per_unit * canvas_width);
+       nframes64_t frames = (nframes64_t) floor (frames_per_unit * canvas_width);
 
        if (frames_per_unit != zoom_range_clock.current_duration()) {
                zoom_range_clock.set (frames);
@@ -4329,20 +4572,24 @@ Editor::post_zoom ()
        ZoomChanged (); /* EMIT_SIGNAL */
 
        reset_hscrollbar_stepping ();
-       reset_scrolling_region ();
+       //reset_scrolling_region ();
 
-       if (playhead_cursor) playhead_cursor->set_position (playhead_cursor->current_frame);
+       if (playhead_cursor) {
+               playhead_cursor->set_position (playhead_cursor->current_frame);
+       }
 
        instant_save ();
 }
 
 void
-Editor::queue_visual_change (nframes_t where)
+Editor::queue_visual_change (nframes64_t where)
 {
-       pending_visual_change.pending = VisualChange::Type (pending_visual_change.pending | VisualChange::TimeOrigin);
-       pending_visual_change.time_origin = where;
-       
+//     pending_visual_change.pending = VisualChange::Type (pending_visual_change.pending | VisualChange::TimeOrigin);
+//     pending_visual_change.time_origin = where;
+
        if (pending_visual_change.idle_handler_id < 0) {
+               pending_visual_change.pending = VisualChange::Type (pending_visual_change.pending | VisualChange::TimeOrigin);
+               pending_visual_change.time_origin = where;
                pending_visual_change.idle_handler_id = g_idle_add (_idle_visual_changer, this);
        }
 }
@@ -4369,30 +4616,41 @@ int
 Editor::idle_visual_changer ()
 {
        VisualChange::Type p = pending_visual_change.pending;
-
        pending_visual_change.pending = (VisualChange::Type) 0;
 
        if (p & VisualChange::ZoomLevel) {
                set_frames_per_unit (pending_visual_change.frames_per_unit);
 
-               compute_fixed_ruler_scale ();
-               compute_current_bbt_points(pending_visual_change.time_origin, pending_visual_change.time_origin + (nframes_t)(canvas_width * pending_visual_change.frames_per_unit));
-               compute_bbt_ruler_scale (pending_visual_change.time_origin, pending_visual_change.time_origin + (nframes_t)(canvas_width * pending_visual_change.frames_per_unit));
+               compute_fixed_ruler_scale ();
+               compute_current_bbt_points(pending_visual_change.time_origin, pending_visual_change.time_origin + (nframes_t)(edit_packer.get_width() * pending_visual_change.frames_per_unit));
+               compute_bbt_ruler_scale (pending_visual_change.time_origin, pending_visual_change.time_origin + (nframes_t)(edit_packer.get_width() * pending_visual_change.frames_per_unit));
                update_tempo_based_rulers ();
        }
        if (p & VisualChange::TimeOrigin) {
-               
-               nframes_t time_origin = (nframes_t) floor (horizontal_adjustment.get_value() * frames_per_unit);
 
-               if (time_origin != pending_visual_change.time_origin) {
-                       horizontal_adjustment.set_value (pending_visual_change.time_origin/frames_per_unit);
+               nframes64_t csf, cef;
+               nframes64_t current_time_origin = (nframes64_t) floor (horizontal_adjustment.get_value() * frames_per_unit);
+
+               if (session) {
+                       csf = session->current_start_frame();
+                       cef = session->current_end_frame() + (current_page_frames() / 24);// Add a little extra so we can see the end marker
+               }
+
+               /* if we seek beyond the current end of the canvas, move the end */
+
+               if (current_time_origin != pending_visual_change.time_origin) {
+                       //if (horizontal_adjustment.get_upper() < pending_visual_change.time_origin) {
+                       last_canvas_frame = (cef > (pending_visual_change.time_origin + current_page_frames())) ? cef : pending_visual_change.time_origin + current_page_frames();
+                       horizontal_adjustment.set_upper ((cef - csf) / frames_per_unit);
+                       //}
+                       horizontal_adjustment.set_value (pending_visual_change.time_origin / frames_per_unit);
                } else {
                        update_fixed_rulers();
                        redisplay_tempo (true);
                }
        }
+       //cerr << "Editor::idle_visual_changer () called ha v:l:u:ps:fpu = " << horizontal_adjustment.get_value() << ":" << horizontal_adjustment.get_lower() << ":" << horizontal_adjustment.get_upper() << ":" << horizontal_adjustment.get_page_size() << ":" << frames_per_unit << endl;//DEBUG
        pending_visual_change.idle_handler_id = -1;
-
        return 0; /* this is always a one-shot call */
 }
 
@@ -4463,7 +4721,7 @@ Editor::get_preferred_edit_position (bool ignore_playhead)
 }
 
 void
-Editor::set_loop_range (nframes_t start, nframes_t end, string cmd)
+Editor::set_loop_range (nframes64_t start, nframes64_t end, string cmd)
 {
        if (!session) return;
 
@@ -4478,8 +4736,7 @@ Editor::set_loop_range (nframes_t start, nframes_t end, string cmd)
                session->set_auto_loop_location (loc);
                 XMLNode &after = session->locations()->get_state();
                session->add_command (new MementoCommand<Locations>(*(session->locations()), &before, &after));
-       }
-       else {
+       } else {
                 XMLNode &before = tll->get_state();
                tll->set_hidden (false, this);
                tll->set (start, end);
@@ -4491,7 +4748,7 @@ Editor::set_loop_range (nframes_t start, nframes_t end, string cmd)
 }
 
 void
-Editor::set_punch_range (nframes_t start, nframes_t end, string cmd)
+Editor::set_punch_range (nframes64_t start, nframes64_t end, string cmd)
 {
        if (!session) return;
 
@@ -4539,14 +4796,14 @@ Editor::get_regions_at (RegionSelection& rs, nframes64_t where, const TrackSelec
                        
                        if ((ds = atv->get_diskstream()) && ((pl = ds->playlist()))) {
 
-                               Playlist::RegionList* regions = pl->regions_at ((nframes_t) floor ( (double)where * ds->speed()));
+                               Playlist::RegionList* regions = pl->regions_at ((nframes64_t) floor ( (double)where * ds->speed()));
 
                                for (Playlist::RegionList::iterator i = regions->begin(); i != regions->end(); ++i) {
 
                                        RegionView* rv = atv->audio_view()->find_view (*i);
 
                                        if (rv) {
-                                               rs.push_back (rv);
+                                               rs.add (rv);
                                        }
                                }
 
@@ -4577,7 +4834,7 @@ Editor::get_regions_after (RegionSelection& rs, nframes64_t where, const TrackSe
                        
                        if ((ds = atv->get_diskstream()) && ((pl = ds->playlist()))) {
 
-                               Playlist::RegionList* regions = pl->regions_touched ((nframes_t) floor ( (double)where * ds->speed()), max_frames);
+                               Playlist::RegionList* regions = pl->regions_touched ((nframes64_t) floor ( (double)where * ds->speed()), max_frames);
 
                                for (Playlist::RegionList::iterator i = regions->begin(); i != regions->end(); ++i) {
 
@@ -4597,21 +4854,24 @@ Editor::get_regions_after (RegionSelection& rs, nframes64_t where, const TrackSe
 void
 Editor::get_regions_for_action (RegionSelection& rs, bool allow_entered)
 {
-       bool use_regions_at = true;
-
        if (selection->regions.empty()) {
 
                if (selection->tracks.empty()) {
 
-                       /* no regions or tracks selected, but entered regionview is valid
-                          and we're in object mode - just use entered regionview
+                       /* no regions or tracks selected
                        */
                        
-                       if (entered_regionview && (mouse_mode == Editing::MouseObject)) {
+                       if (entered_regionview && mouse_mode == Editing::MouseObject) {
+
+                               /*  entered regionview is valid and we're in object mode - 
+                                   just use entered regionview
+                               */
+
                                rs.add (entered_regionview);
-                               return;
                        }
 
+                       return;
+
                } else {
 
                        /* no regions selected, so get all regions at the edit point across
@@ -4694,3 +4954,198 @@ Editor::show_rhythm_ferret ()
        rhythm_ferret->show ();
        rhythm_ferret->present ();
 }
+
+void
+Editor::first_idle ()
+{
+       MessageDialog* dialog = 0;
+
+       if (track_views.size() > 1) { 
+               dialog = new MessageDialog (*this, 
+                                           _("Please wait while Ardour loads visual data"),
+                                           true,
+                                           Gtk::MESSAGE_INFO,
+                                           Gtk::BUTTONS_NONE);
+               dialog->present ();
+               ARDOUR_UI::instance()->flush_pending ();
+       }
+
+       for (TrackViewList::iterator t = track_views.begin(); t != track_views.end(); ++t) {
+               (*t)->first_idle();
+       }
+       
+       if (dialog) {
+               delete dialog;
+       }
+
+       _have_idled = true;
+}
+
+void
+Editor::start_resize_line_ops ()
+{
+#if 0
+       old_resize_line_y = -1;
+       resize_line_y = -1;
+       need_resize_line = true;
+#endif 
+}
+
+void
+Editor::end_resize_line_ops ()
+{
+#if 0
+       need_resize_line = false;
+
+       if (old_resize_line_y >= 0) {
+               Gdk::Rectangle r (0, old_resize_line_y, (int) canvas_width, 3);
+               Glib::RefPtr<Gdk::Window> win = get_window();
+               cerr << "Final invalidation at " << old_resize_line_y << endl;
+               win->invalidate_rect (r, false);
+       }
+#endif
+}
+
+void
+Editor::queue_draw_resize_line (int at)
+{
+#if 0  
+       Glib::RefPtr<Gdk::Window> win = get_window();
+
+       resize_line_y = at;
+
+       if (win && canvas_width) {
+
+               int controls_width = controls_layout.get_width();
+               int xroot, discard;
+               
+               controls_layout.get_window()->get_origin (xroot, discard);
+
+               if (old_resize_line_y >= 0) {
+                       
+                       /* redraw where it used to be */
+                       
+                       
+                       Gdk::Rectangle r (0, old_resize_line_y - 1, controls_width + (int) canvas_width, 3);
+                       win->invalidate_rect (r, true);
+                       cerr << "invalidate " << xroot << "," << old_resize_line_y - 1 << ' ' 
+                            << controls_width + canvas_width << " x 3\n";
+               }
+
+               /* draw where it is */
+
+               Gdk::Rectangle r (0, at - 1, controls_width + (int) canvas_width, 3);
+               win->invalidate_rect (r, true);
+       }
+#endif
+}
+
+bool
+Editor::on_expose_event (GdkEventExpose* ev)
+{
+       /* cerr << "+++ editor expose "
+            << ev->area.x << ',' << ev->area.y
+            << ' '
+            << ev->area.width << " x " << ev->area.height
+            << " need reize ? " << need_resize_line
+            << endl;
+       */
+       bool ret = Window::on_expose_event (ev);
+
+#if 0
+       if (need_resize_line) {
+               
+               int xroot, yroot, discard;
+               int controls_width;
+
+               /* Our root coordinates for drawing the line will be the left edge 
+                  of the track controls, and the upper left edge of our own window.
+               */
+
+               get_window()->get_origin (discard, yroot);
+               controls_layout.get_window()->get_origin (xroot, discard);
+               controls_width = controls_layout.get_width();
+               
+               GdkRectangle lr;
+               GdkRectangle intersection;
+
+               lr.x = 0;
+               lr.y = resize_line_y;
+               lr.width = controls_width + (int) canvas_width;
+               lr.height = 3;
+
+               if (gdk_rectangle_intersect (&lr, &ev->area, &intersection)) {
+                       
+                       Glib::RefPtr<Gtk::Style> style (get_style());
+                       Glib::RefPtr<Gdk::GC> black_gc (style->get_black_gc ());
+                       Glib::RefPtr<Gdk::GC> gc = wrap (black_gc->gobj_copy(), false);
+
+                       /* draw on root window */
+
+                       GdkWindow* win = gdk_get_default_root_window();
+                       
+                       gc->set_subwindow (Gdk::INCLUDE_INFERIORS);
+                       gc->set_line_attributes (3, Gdk::LINE_SOLID, 
+                                                Gdk::CAP_NOT_LAST,
+                                                Gdk::JOIN_MITER);
+                       
+                       gdk_draw_line (win, gc->gobj(), 
+                                      0,
+                                      resize_line_y, 
+                                      (int) canvas_width + controls_width,
+                                      resize_line_y);
+#if 0
+                       cerr << "drew line @ " << xroot << ", " << yroot + resize_line_y 
+                            << " to " << xroot + (int) canvas_width + controls_width
+                            << ", " << yroot + resize_line_y
+                            << endl;
+#endif
+                       old_resize_line_y = resize_line_y;
+                       cerr << "NEXT EXPOSE SHOULD BE AT " << old_resize_line_y << endl;
+               } else {
+                       cerr << "no intersect with "
+                            << lr.x << ',' << lr.y
+                            << ' '
+                            << lr.width << " x " << lr.height
+                            << endl;
+               }
+       }
+
+       //cerr << "--- editor expose\n";
+#endif
+
+       return ret;
+}
+
+static gboolean
+_idle_resizer (gpointer arg)
+{
+       return ((Editor*)arg)->idle_resize ();
+}
+
+void
+Editor::add_to_idle_resize (TimeAxisView* view, uint32_t h)
+{
+       if (resize_idle_id < 0) {
+               resize_idle_id = g_idle_add (_idle_resizer, this);
+       }
+
+       resize_idle_target = h;
+
+       pending_resizes.push_back (view);
+
+       if (selection->selected (view) && !selection->tracks.empty()) {
+               pending_resizes.insert (pending_resizes.end(), selection->tracks.begin(), selection->tracks.end());
+       }
+}
+
+bool
+Editor::idle_resize ()
+{
+       for (vector<TimeAxisView*>::iterator i = pending_resizes.begin(); i != pending_resizes.end(); ++i) {
+               (*i)->idle_resize (resize_idle_target);
+       }
+       pending_resizes.clear();
+       resize_idle_id = -1;
+       return false;
+}