various work waveview amplitude mgmt; fix playhead cursor drag from timebar click
[ardour.git] / gtk2_ardour / editor_mouse.cc
index 1724666976ab6205884371a0c7d32cbc98cc4077..0e4b54c7a242c3c1eb28ec1a676cae9577417877 100644 (file)
@@ -24,6 +24,7 @@
 #include <set>
 #include <string>
 #include <algorithm>
+#include <bitset>
 
 #include "pbd/error.h"
 #include "pbd/enumwriter.h"
 #include "gtkmm2ext/utils.h"
 #include "gtkmm2ext/tearoff.h"
 
+#include "canvas/canvas.h"
+
+#include "ardour/audioregion.h"
+#include "ardour/operations.h"
+#include "ardour/playlist.h"
+#include "ardour/profile.h"
+#include "ardour/region_factory.h"
+#include "ardour/route.h"
+#include "ardour/session.h"
+#include "ardour/types.h"
+
 #include "ardour_ui.h"
 #include "actions.h"
-#include "canvas-note.h"
 #include "editor.h"
 #include "time_axis_view.h"
 #include "audio_time_axis.h"
 #include "mouse_cursors.h"
 #include "editor_cursors.h"
 #include "verbose_cursor.h"
-
-#include "ardour/types.h"
-#include "ardour/profile.h"
-#include "ardour/route.h"
-#include "ardour/audio_track.h"
-#include "ardour/playlist.h"
-#include "ardour/audioplaylist.h"
-#include "ardour/audioregion.h"
-#include "ardour/midi_region.h"
-#include "ardour/dB.h"
-#include "ardour/utils.h"
-#include "ardour/region_factory.h"
-#include "ardour/source_factory.h"
-#include "ardour/session.h"
-#include "ardour/operations.h"
-
-#include <bitset>
+#include "note.h"
 
 #include "i18n.h"
 
@@ -107,84 +102,89 @@ Editor::mouse_frame (framepos_t& where, bool& in_track_canvas) const
         }
 
        int x, y;
-       double wx, wy;
-       Gdk::ModifierType mask;
-       Glib::RefPtr<Gdk::Window> canvas_window = const_cast<Editor*>(this)->track_canvas->get_window();
-       Glib::RefPtr<const Gdk::Window> pointer_window;
+       Glib::RefPtr<Gdk::Window> canvas_window = const_cast<Editor*>(this)->_track_canvas->get_window();
 
        if (!canvas_window) {
                return false;
        }
 
-       pointer_window = canvas_window->get_pointer (x, y, mask);
+       Glib::RefPtr<const Gdk::Window> pointer_window = Gdk::Display::get_default()->get_window_at_pointer (x, y);
 
-       if (pointer_window == track_canvas->get_bin_window()) {
-               wx = x;
-               wy = y;
-               in_track_canvas = true;
+       if (!pointer_window) {
+               return false;
+       }
 
-       } else {
+       if (pointer_window != canvas_window && pointer_window != _time_bars_canvas->get_window()) {
                in_track_canvas = false;
-                       return false;
+               return false;
        }
 
+       in_track_canvas = true;
+
        GdkEvent event;
        event.type = GDK_BUTTON_RELEASE;
-       event.button.x = wx;
-       event.button.y = wy;
+       event.button.x = x;
+       event.button.y = y;
+
+       where = window_event_frame (&event, 0, 0);
 
-       where = event_frame (&event, 0, 0);
        return true;
 }
 
 framepos_t
-Editor::event_frame (GdkEvent const * event, double* pcx, double* pcy) const
+Editor::window_event_frame (GdkEvent const * event, double* pcx, double* pcy) const
 {
-       double cx, cy;
+       double x;
+       double y;
 
-       if (pcx == 0) {
-               pcx = &cx;
+       if (!gdk_event_get_coords (event, &x, &y)) {
+               return 0;
        }
-       if (pcy == 0) {
-               pcy = &cy;
+
+       /* event coordinates are in window units, so convert to canvas
+        * (i.e. account for scrolling)
+        */
+
+       ArdourCanvas::Duple d = _track_canvas->window_to_canvas (ArdourCanvas::Duple (x, y));
+
+       if (pcx) {
+               *pcx = d.x;
        }
 
-       *pcx = 0;
-       *pcy = 0;
+       if (pcy) {
+               *pcy = d.y;
+       }
 
-       switch (event->type) {
-       case GDK_BUTTON_RELEASE:
-       case GDK_BUTTON_PRESS:
-       case GDK_2BUTTON_PRESS:
-       case GDK_3BUTTON_PRESS:
-               *pcx = event->button.x;
-               *pcy = event->button.y;
-               _trackview_group->w2i(*pcx, *pcy);
-               break;
-       case GDK_MOTION_NOTIFY:
-               *pcx = event->motion.x;
-               *pcy = event->motion.y;
-               _trackview_group->w2i(*pcx, *pcy);
-               break;
-       case GDK_ENTER_NOTIFY:
-       case GDK_LEAVE_NOTIFY:
-               track_canvas->w2c(event->crossing.x, event->crossing.y, *pcx, *pcy);
-               break;
-       case GDK_KEY_PRESS:
-       case GDK_KEY_RELEASE:
-               // track_canvas->w2c(event->key.x, event->key.y, *pcx, *pcy);
-               break;
-       default:
-               warning << string_compose (_("Editor::event_frame() used on unhandled event type %1"), event->type) << endmsg;
-               break;
+       return pixel_to_sample (d.x);
+}
+
+framepos_t
+Editor::canvas_event_frame (GdkEvent const * event, double* pcx, double* pcy) const
+{
+       double x;
+       double y;
+
+       /* event coordinates are already in canvas units */
+
+       if (!gdk_event_get_coords (event, &x, &y)) {
+               cerr << "!NO c COORDS for event type " << event->type << endl;
+               return 0;
+       }
+
+       if (pcx) {
+               *pcx = x;
        }
 
-       /* note that pixel_to_frame() never returns less than zero, so even if the pixel
+       if (pcy) {
+               *pcy = y;
+       }
+
+       /* note that pixel_to_sample() never returns less than zero, so even if the pixel
           position is negative (as can be the case with motion events in particular),
           the frame location is always positive.
        */
 
-       return pixel_to_frame (*pcx);
+       return pixel_to_sample (x);
 }
 
 Gdk::Cursor*
@@ -205,6 +205,10 @@ Editor::which_grabber_cursor ()
                case MouseTimeFX:
                        c = _cursors->midi_resize;
                        break;
+                       
+               case MouseRange:
+                       c = _cursors->grabber_note;
+                       break;
 
                default:
                        break;
@@ -253,83 +257,79 @@ Editor::set_current_movable (boost::shared_ptr<Movable> m)
 void
 Editor::set_canvas_cursor ()
 {
-       if (_internal_editing) {
-
-               switch (mouse_mode) {
-               case MouseDraw:
-                       current_canvas_cursor = _cursors->midi_pencil;
-                       break;
-
-               case MouseObject:
+       switch (mouse_mode) {
+       case MouseRange:
+               current_canvas_cursor = _cursors->selector;
+               if (_internal_editing) {
                        current_canvas_cursor = which_grabber_cursor();
-                       break;
-
-               case MouseTimeFX:
-                       current_canvas_cursor = _cursors->midi_resize;
-                       break;
-
-               default:
-                       return;
                }
+               break;
 
-       } else {
+       case MouseObject:
+               current_canvas_cursor = which_grabber_cursor();
+               break;
 
-               switch (mouse_mode) {
-               case MouseRange:
-                       current_canvas_cursor = _cursors->selector;
-                       break;
+       case MouseDraw:
+               current_canvas_cursor = _cursors->midi_pencil;
+               break;
 
-               case MouseObject:
-                       current_canvas_cursor = which_grabber_cursor();
-                       break;
+       case MouseGain:
+               current_canvas_cursor = _cursors->cross_hair;
+               break;
 
-               case MouseDraw:
-                       /* shouldn't be possible, but just cover it anyway ... */
-                       current_canvas_cursor = _cursors->midi_pencil;
-                       break;
+       case MouseZoom:
+               if (Keyboard::the_keyboard().key_is_down (GDK_Control_L)) {
+                       current_canvas_cursor = _cursors->zoom_out;
+               } else {
+                       current_canvas_cursor = _cursors->zoom_in;
+               }
+               break;
 
-               case MouseGain:
-                       current_canvas_cursor = _cursors->cross_hair;
-                       break;
+       case MouseTimeFX:
+               current_canvas_cursor = _cursors->time_fx; // just use playhead
+               break;
 
-               case MouseZoom:
-                       if (Keyboard::the_keyboard().key_is_down (GDK_Control_L)) {
-                               current_canvas_cursor = _cursors->zoom_out;
-                       } else {
-                               current_canvas_cursor = _cursors->zoom_in;
-                       }
-                       break;
+       case MouseAudition:
+               current_canvas_cursor = _cursors->speaker;
+               break;
+       }
 
-               case MouseTimeFX:
-                       current_canvas_cursor = _cursors->time_fx; // just use playhead
+       if (!_internal_editing) {
+               switch (_join_object_range_state) {
+               case JOIN_OBJECT_RANGE_NONE:
                        break;
-
-               case MouseAudition:
-                       current_canvas_cursor = _cursors->speaker;
+               case JOIN_OBJECT_RANGE_OBJECT:
+                       current_canvas_cursor = which_grabber_cursor ();
+                       break;
+               case JOIN_OBJECT_RANGE_RANGE:
+                       current_canvas_cursor = _cursors->selector;
                        break;
                }
        }
 
-       switch (_join_object_range_state) {
-       case JOIN_OBJECT_RANGE_NONE:
-               break;
-       case JOIN_OBJECT_RANGE_OBJECT:
-               current_canvas_cursor = which_grabber_cursor ();
-               break;
-       case JOIN_OBJECT_RANGE_RANGE:
-               current_canvas_cursor = _cursors->selector;
-               break;
-       }
-
        /* up-down cursor as a cue that automation can be dragged up and down when in join object/range mode */
-       if (smart_mode_action->get_active()) {
+       if (!_internal_editing && get_smart_mode() ) {
+
                double x, y;
                get_pointer_position (x, y);
-               ArdourCanvas::Item* i = track_canvas->get_item_at (x, y);
-               if (i && i->property_parent() && (*i->property_parent()).get_data (X_("timeselection"))) {
-                       pair<TimeAxisView*, int> tvp = trackview_by_y_position (_last_motion_y + vertical_adjustment.get_value() - canvas_timebars_vsize);
-                       if (dynamic_cast<AutomationTimeAxisView*> (tvp.first)) {
-                               current_canvas_cursor = _cursors->up_down;
+
+               if (x >= 0 && y >= 0) {
+                       
+                       vector<ArdourCanvas::Item const *> items;
+                       
+                       _track_canvas->root()->add_items_at_point (ArdourCanvas::Duple (x,y), items);
+                       
+                       // first item will be the upper most 
+                       
+                       if (!items.empty()) {
+                               const ArdourCanvas::Item* i = items.front();
+                               
+                               if (i && i->parent() && i->parent()->get_data (X_("timeselection"))) {
+                                       pair<TimeAxisView*, int> tvp = trackview_by_y_position (_last_motion_y);
+                                       if (dynamic_cast<AutomationTimeAxisView*> (tvp.first)) {
+                                               current_canvas_cursor = _cursors->up_down;
+                                       }
+                               }
                        }
                }
        }
@@ -337,6 +337,21 @@ Editor::set_canvas_cursor ()
        set_canvas_cursor (current_canvas_cursor, true);
 }
 
+void
+Editor::mouse_mode_object_range_toggled()
+{
+       MouseMode m = mouse_mode;
+       
+       Glib::RefPtr<Action> act = ActionManager::get_action (X_("MouseMode"), X_("set-mouse-mode-range"));
+       assert (act);
+       Glib::RefPtr<ToggleAction> tact = Glib::RefPtr<ToggleAction>::cast_dynamic (act);
+       assert (tact);
+       if (tact->get_active())
+               m = MouseObject;  //Smart mode turned to ON, force editing to Object mode
+       
+       set_mouse_mode(m, true);  //call this so the button styles can get updated
+}
+
 void
 Editor::set_mouse_mode (MouseMode m, bool force)
 {
@@ -389,7 +404,7 @@ Editor::set_mouse_mode (MouseMode m, bool force)
        tact->set_active (false);
        tact->set_active (true);
 
-       MouseModeChanged (); /* EMIT SIGNAL */
+       //NOTE:  this will result in a call to mouse_mode_toggled which does the heavy lifting
 }
 
 void
@@ -450,35 +465,38 @@ Editor::mouse_mode_toggled (MouseMode m)
        default:
                break;
        }
+       
+       if (_session && mouse_mode == MouseAudition) {
+               /* stop transport and reset default speed to avoid oddness with
+                  auditioning */
+               _session->request_transport_speed (0.0, true);
+       }
 
        mouse_mode = m;
 
        instant_save ();
 
-       if (!internal_editing()) {
-               if (mouse_mode != MouseRange && mouse_mode != MouseGain && _join_object_range_state == JOIN_OBJECT_RANGE_NONE) {
-
-                       /* in all modes except range, gain and joined object/range, hide the range selection,
-                          show the object (region) selection.
-                       */
-
-                       for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
-                               (*i)->hide_selection ();
-                       }
-
-               } else {
-
-                       /*
-                         in range or object/range mode, show the range selection.
-                       */
-
-                       for (TrackSelection::iterator i = selection->tracks.begin(); i != selection->tracks.end(); ++i) {
-                               (*i)->show_selection (selection->time);
-                       }
+       //TODO:  set button styles for smart buttons
+/*
+       if ( smart_mode_action->get_active() ) {
+               if( mouse_mode == MouseObject ) { //smart active and object active
+                       smart_mode_button.set_active(1);
+                       smart_mode_button.set_name("smart mode button");
+                       mouse_move_button.set_name("smart mode button");
+               } else {  //smart active but object inactive
+                       smart_mode_button.set_active(0);
+                       smart_mode_button.set_name("smart mode button");
+                       mouse_move_button.set_name("mouse mode button");
                }
+       } else {
+               smart_mode_button.set_active(0);
+               smart_mode_button.set_name("mouse mode button");
+               mouse_move_button.set_name("mouse mode button");
        }
-
+*/
+       
        set_canvas_cursor ();
+       set_gain_envelope_visibility ();
 
        MouseModeChanged (); /* EMIT SIGNAL */
 }
@@ -582,14 +600,12 @@ Editor::button_selection (ArdourCanvas::Item* /*item*/, GdkEvent* event, ItemTyp
        */
 
        if (((mouse_mode != MouseObject) &&
-            (_join_object_range_state != JOIN_OBJECT_RANGE_OBJECT) &&
             (mouse_mode != MouseAudition || item_type != RegionItem) &&
             (mouse_mode != MouseTimeFX || item_type != RegionItem) &&
             (mouse_mode != MouseGain) &&
-            (mouse_mode != MouseRange) &&
             (mouse_mode != MouseDraw)) ||
            ((event->type != GDK_BUTTON_PRESS && event->type != GDK_BUTTON_RELEASE) || event->button.button > 3) ||
-           internal_editing()) {
+           (internal_editing() && mouse_mode != MouseTimeFX)) {
 
                return;
        }
@@ -611,19 +627,23 @@ Editor::button_selection (ArdourCanvas::Item* /*item*/, GdkEvent* event, ItemTyp
 
        switch (item_type) {
        case RegionItem:
-               if (!doing_range_stuff()) {
-                       set_selected_regionview_from_click (press, op);
-               }
-               
-               if (press) {
-                       if (doing_range_stuff()) {
-                               /* don't change the selection unless the
-                                  clicked track is not currently selected. if
-                                  so, "collapse" the selection to just this
-                                  track
-                               */
-                               if (!selection->selected (clicked_axisview)) {
-                                       set_selected_track_as_side_effect (Selection::Set);
+               if (!get_smart_mode() || (_join_object_range_state == JOIN_OBJECT_RANGE_OBJECT)) {
+                       if (press) {
+                               if (mouse_mode != MouseRange) {
+                                       set_selected_regionview_from_click (press, op);
+                               } else {
+                                       /* don't change the selection unless the
+                                          clicked track is not currently selected. if
+                                          so, "collapse" the selection to just this
+                                          track
+                                       */
+                                       if (!selection->selected (clicked_axisview)) {
+                                               set_selected_track_as_side_effect (Selection::Set);
+                                       }
+                               }
+                       } else {
+                               if (mouse_mode != MouseRange) {
+                                       set_selected_regionview_from_click (press, op);
                                }
                        }
                }
@@ -633,23 +653,20 @@ Editor::button_selection (ArdourCanvas::Item* /*item*/, GdkEvent* event, ItemTyp
        case RegionViewName:
        case LeftFrameHandle:
        case RightFrameHandle:
-               if (doing_object_stuff() || (mouse_mode != MouseRange && mouse_mode != MouseObject)) {
+               if ( mouse_mode != MouseRange ) {
                        set_selected_regionview_from_click (press, op);
                } else if (event->type == GDK_BUTTON_PRESS) {
                        set_selected_track_as_side_effect (op);
                }
                break;
 
-
-       case StartCrossFadeItem:
-       case EndCrossFadeItem:
-               break;
-
        case FadeInHandleItem:
        case FadeInItem:
        case FadeOutHandleItem:
        case FadeOutItem:
-               if (doing_object_stuff() || (mouse_mode != MouseRange && mouse_mode != MouseObject)) {
+       case StartCrossFadeItem:
+       case EndCrossFadeItem:
+               if ( mouse_mode != MouseRange ) {
                        set_selected_regionview_from_click (press, op);
                } else if (event->type == GDK_BUTTON_PRESS) {
                        set_selected_track_as_side_effect (op);
@@ -658,7 +675,7 @@ Editor::button_selection (ArdourCanvas::Item* /*item*/, GdkEvent* event, ItemTyp
 
        case ControlPointItem:
                set_selected_track_as_side_effect (op);
-               if (doing_object_stuff() || (mouse_mode != MouseRange && mouse_mode != MouseObject)) {
+               if ( mouse_mode != MouseRange ) {
                        set_selected_control_point_from_click (press, op);
                }
                break;
@@ -691,7 +708,7 @@ Editor::button_press_handler_1 (ArdourCanvas::Item* item, GdkEvent* event, ItemT
 
        switch (item_type) {
        case PlayheadCursorItem:
-               _drags->set (new CursorDrag (this, item, true), event);
+               _drags->set (new CursorDrag (this, *playhead_cursor, true), event);
                return true;
 
        case MarkerItem:
@@ -740,11 +757,16 @@ Editor::button_press_handler_1 (ArdourCanvas::Item* item, GdkEvent* event, ItemT
                }
        }
 
+       case VideoBarItem:
+               _drags->set (new VideoTimeLineDrag (this, item), event);
+               return true;
+               break;
+
        case MarkerBarItem:
        case TempoBarItem:
        case MeterBarItem:
                if (!Keyboard::modifier_state_equals (event->button.state, Keyboard::PrimaryModifier)) {
-                       _drags->set (new CursorDrag (this, &playhead_cursor->canvas_item, false), event);
+                       _drags->set (new CursorDrag (this, *playhead_cursor, false), event);
                }
                return true;
                break;
@@ -752,7 +774,7 @@ Editor::button_press_handler_1 (ArdourCanvas::Item* item, GdkEvent* event, ItemT
 
        case RangeMarkerBarItem:
                if (!Keyboard::modifier_state_equals (event->button.state, Keyboard::PrimaryModifier)) {
-                       _drags->set (new CursorDrag (this, &playhead_cursor->canvas_item, false), event);
+                       _drags->set (new CursorDrag (this, *playhead_cursor, false), event);
                } else {
                        _drags->set (new RangeMarkerBarDrag (this, item, RangeMarkerBarDrag::CreateRangeMarker), event);
                }
@@ -761,7 +783,7 @@ Editor::button_press_handler_1 (ArdourCanvas::Item* item, GdkEvent* event, ItemT
 
        case CdMarkerBarItem:
                if (!Keyboard::modifier_state_equals (event->button.state, Keyboard::PrimaryModifier)) {
-                       _drags->set (new CursorDrag (this, &playhead_cursor->canvas_item, false), event);
+                       _drags->set (new CursorDrag (this, *playhead_cursor, false), event);
                } else {
                        _drags->set (new RangeMarkerBarDrag (this, item, RangeMarkerBarDrag::CreateCDMarker), event);
                }
@@ -770,7 +792,7 @@ Editor::button_press_handler_1 (ArdourCanvas::Item* item, GdkEvent* event, ItemT
 
        case TransportMarkerBarItem:
                if (!Keyboard::modifier_state_equals (event->button.state, Keyboard::PrimaryModifier)) {
-                       _drags->set (new CursorDrag (this, &playhead_cursor->canvas_item, false), event);
+                       _drags->set (new CursorDrag (this, *playhead_cursor, false), event);
                } else {
                        _drags->set (new RangeMarkerBarDrag (this, item, RangeMarkerBarDrag::CreateTransportMarker), event);
                }
@@ -802,6 +824,11 @@ Editor::button_press_handler_1 (ArdourCanvas::Item* item, GdkEvent* event, ItemT
                eff = MouseObject;
        }
 
+       /* there is no Range mode when in internal edit mode */
+       if (eff == MouseRange && internal_editing()) {
+               eff = MouseObject;
+       }
+
        switch (eff) {
        case MouseRange:
                switch (item_type) {
@@ -814,19 +841,18 @@ Editor::button_press_handler_1 (ArdourCanvas::Item* item, GdkEvent* event, ItemT
                        break;
 
                case SelectionItem:
-                       if (Keyboard::modifier_state_contains
-                           (event->button.state, Keyboard::ModifierMask(Keyboard::PrimaryModifier))) {
-                               // contains and not equals because I can't use alt as a modifier alone.
+                       if (Keyboard::modifier_state_contains (event->button.state, Keyboard::ModifierMask(Keyboard::PrimaryModifier|Keyboard::SecondaryModifier))) {
                                start_selection_grab (item, event);
+                               return true;
                        } else if (Keyboard::modifier_state_equals (event->button.state, Keyboard::SecondaryModifier)) {
                                /* grab selection for moving */
                                _drags->set (new SelectionDrag (this, item, SelectionDrag::SelectionMove), event);
                        } else {
-                               double const y = event->button.y + vertical_adjustment.get_value() - canvas_timebars_vsize;
+                               double const y = event->button.y;
                                pair<TimeAxisView*, int> tvp = trackview_by_y_position (y);
                                if (tvp.first) {
                                        AutomationTimeAxisView* atv = dynamic_cast<AutomationTimeAxisView*> (tvp.first);
-                                       if (smart_mode_action->get_active() && atv) {
+                                       if ( get_smart_mode() && atv) {
                                                /* smart "join" mode: drag automation */
                                                _drags->set (new AutomationRangeDrag (this, atv, selection->time), event, _cursors->up_down);
                                        } else {
@@ -845,23 +871,18 @@ Editor::button_press_handler_1 (ArdourCanvas::Item* item, GdkEvent* event, ItemT
                                        return true;
                                } 
                        } else {
-                               _drags->set (new SelectionDrag (this, item, SelectionDrag::CreateSelection), event);
+                               if (Keyboard::modifier_state_equals (event->button.state, Keyboard::RangeSelectModifier)) {
+                                       _drags->set (new SelectionDrag (this, item, SelectionDrag::SelectionExtend), event);
+                               } else {
+                                       _drags->set (new SelectionDrag (this, item, SelectionDrag::CreateSelection), event);
+                               }
                                return true;
                        }
                        break;
 
                case RegionViewNameHighlight:
                        if (!clicked_regionview->region()->locked()) {
-                               RegionSelection s = get_equivalent_regions (selection->regions, Properties::edit.property_id);
-                               _drags->set (new TrimDrag (this, item, clicked_regionview, s.by_layer()), event);
-                               return true;
-                       }
-                       break;
-
-               case LeftFrameHandle:
-               case RightFrameHandle:
-                       if (!internal_editing() && doing_object_stuff() && !clicked_regionview->region()->locked()) {
-                               RegionSelection s = get_equivalent_regions (selection->regions, Properties::edit.property_id);
+                               RegionSelection s = get_equivalent_regions (selection->regions, Properties::select.property_id);
                                _drags->set (new TrimDrag (this, item, clicked_regionview, s.by_layer()), event);
                                return true;
                        }
@@ -869,7 +890,11 @@ Editor::button_press_handler_1 (ArdourCanvas::Item* item, GdkEvent* event, ItemT
 
                default:
                        if (!internal_editing()) {
-                               _drags->set (new SelectionDrag (this, item, SelectionDrag::CreateSelection), event);
+                               if (Keyboard::modifier_state_equals (event->button.state, Keyboard::RangeSelectModifier)) {
+                                       _drags->set (new SelectionDrag (this, item, SelectionDrag::SelectionExtend), event);
+                               } else {
+                                       _drags->set (new SelectionDrag (this, item, SelectionDrag::CreateSelection), event);
+                               }
                        }
                }
                return true;
@@ -880,7 +905,8 @@ Editor::button_press_handler_1 (ArdourCanvas::Item* item, GdkEvent* event, ItemT
                case NoteItem:
                        if (internal_editing()) {
                                /* trim notes if we're in internal edit mode and near the ends of the note */
-                               ArdourCanvas::CanvasNote* cn = dynamic_cast<ArdourCanvas::CanvasNote*> (item);
+                               NoteBase* cn = reinterpret_cast<NoteBase*>(item->get_data ("notebase"));
+                               assert (cn);
                                if (cn && cn->big_enough_to_trim() && cn->mouse_near_ends()) {
                                        _drags->set (new NoteResizeDrag (this, item), event, current_canvas_cursor);
                                } else {
@@ -889,6 +915,14 @@ Editor::button_press_handler_1 (ArdourCanvas::Item* item, GdkEvent* event, ItemT
                                return true;
                        }
                        break;
+               case StreamItem:
+                       if (internal_editing()) {
+                               if (dynamic_cast<MidiTimeAxisView*> (clicked_axisview)) {
+                                       _drags->set (new RegionCreateDrag (this, item, clicked_axisview), event);
+                               }
+                               return true;
+                       }
+                       break;
 
                default:
                        break;
@@ -899,7 +933,8 @@ Editor::button_press_handler_1 (ArdourCanvas::Item* item, GdkEvent* event, ItemT
                switch (item_type) {
                case NoteItem:
                        if (internal_editing()) {
-                               ArdourCanvas::CanvasNoteEvent* cn = dynamic_cast<ArdourCanvas::CanvasNoteEvent*> (item);
+                               NoteBase* cn = reinterpret_cast<NoteBase*> (item->get_data ("notebase"));
+                               assert (cn);
                                if (cn->mouse_near_ends()) {
                                        _drags->set (new NoteResizeDrag (this, item), event, current_canvas_cursor);
                                } else {
@@ -923,24 +958,26 @@ Editor::button_press_handler_1 (ArdourCanvas::Item* item, GdkEvent* event, ItemT
                        switch (item_type) {
                        case FadeInHandleItem:
                        {
-                               RegionSelection s = get_equivalent_regions (selection->regions, Properties::edit.property_id);
+                               RegionSelection s = get_equivalent_regions (selection->regions, Properties::select.property_id);
                                _drags->set (new FadeInDrag (this, item, reinterpret_cast<RegionView*> (item->get_data("regionview")), s), event, _cursors->fade_in);
                                return true;
                        }
 
                        case FadeOutHandleItem:
                        {
-                               RegionSelection s = get_equivalent_regions (selection->regions, Properties::edit.property_id);
+                               RegionSelection s = get_equivalent_regions (selection->regions, Properties::select.property_id);
                                _drags->set (new FadeOutDrag (this, item, reinterpret_cast<RegionView*> (item->get_data("regionview")), s), event, _cursors->fade_out);
                                return true;
                        }
 
                        case StartCrossFadeItem:
-                               _drags->set (new CrossfadeEdgeDrag (this, reinterpret_cast<AudioRegionView*>(item->get_data("regionview")), item, true), event, 0);
-                               break;
-
                        case EndCrossFadeItem:
-                               _drags->set (new CrossfadeEdgeDrag (this, reinterpret_cast<AudioRegionView*>(item->get_data("regionview")), item, false), event, 0);
+                               /* we might allow user to grab inside the fade to trim a region with preserve_fade_anchor.  for not this is not fully implemented */ 
+//                             if (!clicked_regionview->region()->locked()) {
+//                                     RegionSelection s = get_equivalent_regions (selection->regions, Properties::edit.property_id);
+//                                     _drags->set (new TrimDrag (this, item, clicked_regionview, s.by_layer(), true), event);
+//                                     return true;
+//                             }
                                break;
 
                        case FeatureLineItem:
@@ -981,18 +1018,19 @@ Editor::button_press_handler_1 (ArdourCanvas::Item* item, GdkEvent* event, ItemT
                                }
 
 
-                               if (!internal_editing() && (_join_object_range_state == JOIN_OBJECT_RANGE_RANGE && !selection->regions.empty())) {
-                                       _drags->add (new SelectionDrag (this, clicked_axisview->get_selection_rect (clicked_selection)->rect, SelectionDrag::SelectionMove));
-                               }
+//                             if (!internal_editing() && (_join_object_range_state == JOIN_OBJECT_RANGE_RANGE && !selection->regions.empty())) {
+//                                     _drags->add (new SelectionDrag (this, clicked_axisview->get_selection_rect (clicked_selection)->rect, SelectionDrag::SelectionMove));
+//                             }
 
                                _drags->start_grab (event);
+                               return true;
                                break;
 
                        case RegionViewNameHighlight:
                        case LeftFrameHandle:
                         case RightFrameHandle:
                                if (!clicked_regionview->region()->locked()) {
-                                       RegionSelection s = get_equivalent_regions (selection->regions, Properties::edit.property_id);
+                                       RegionSelection s = get_equivalent_regions (selection->regions, Properties::select.property_id);
                                        _drags->set (new TrimDrag (this, item, clicked_regionview, s.by_layer()), event);
                                        return true;
                                }
@@ -1001,7 +1039,7 @@ Editor::button_press_handler_1 (ArdourCanvas::Item* item, GdkEvent* event, ItemT
                        case RegionViewName:
                        {
                                /* rename happens on edit clicks */
-                               RegionSelection s = get_equivalent_regions (selection->regions, Properties::edit.property_id);
+                               RegionSelection s = get_equivalent_regions (selection->regions, Properties::select.property_id);
                                _drags->set (new TrimDrag (this, clicked_regionview->get_name_highlight(), clicked_regionview, s.by_layer()), event);
                                return true;
                                break;
@@ -1034,8 +1072,23 @@ Editor::button_press_handler_1 (ArdourCanvas::Item* item, GdkEvent* event, ItemT
                                AutomationTimeAxisView* atv = dynamic_cast<AutomationTimeAxisView*> (clicked_axisview);
                                assert (atv);
                                if (parent && dynamic_cast<MidiTimeAxisView*> (parent) && atv->show_regions ()) {
-                                       /* create a MIDI region so that we have somewhere to put automation */
-                                       _drags->set (new RegionCreateDrag (this, item, parent), event);
+
+                                       RouteTimeAxisView* p = dynamic_cast<RouteTimeAxisView*> (parent);
+                                       assert (p);
+                                       boost::shared_ptr<Playlist> pl = p->track()->playlist ();
+                                       if (pl->n_regions() == 0) {
+                                               /* Parent has no regions; create one so that we have somewhere to put automation */
+                                               _drags->set (new RegionCreateDrag (this, item, parent), event);
+                                       } else {
+                                               /* See if there's a region before the click that we can extend, and extend it if so */
+                                               framepos_t const t = canvas_event_frame (event);
+                                               boost::shared_ptr<Region> prev = pl->find_next_region (t, End, -1);
+                                               if (!prev) {
+                                                       _drags->set (new RegionCreateDrag (this, item, parent), event);
+                                               } else {
+                                                       prev->set_length (t - prev->position ());
+                                               }
+                                       }
                                } else {
                                        /* rubberband drag to select automation points */
                                        _drags->set (new EditorRubberbandSelectDrag (this, item), event);
@@ -1045,9 +1098,9 @@ Editor::button_press_handler_1 (ArdourCanvas::Item* item, GdkEvent* event, ItemT
 
                        case SelectionItem:
                        {
-                               if (smart_mode_action->get_active()) {
+                               if ( get_smart_mode() ) {
                                        /* we're in "smart" joined mode, and we've clicked on a Selection */
-                                       double const y = event->button.y + vertical_adjustment.get_value() - canvas_timebars_vsize;
+                                       double const y = event->button.y;
                                        pair<TimeAxisView*, int> tvp = trackview_by_y_position (y);
                                        if (tvp.first) {
                                                /* if we're over an automation track, start a drag of its data */
@@ -1059,14 +1112,14 @@ Editor::button_press_handler_1 (ArdourCanvas::Item* item, GdkEvent* event, ItemT
                                                /* if we're over a track and a region, and in the `object' part of a region,
                                                   put a selection around the region and drag both
                                                */
-                                               RouteTimeAxisView* rtv = dynamic_cast<RouteTimeAxisView*> (tvp.first);
+/*                                             RouteTimeAxisView* rtv = dynamic_cast<RouteTimeAxisView*> (tvp.first);
                                                if (rtv && _join_object_range_state == JOIN_OBJECT_RANGE_OBJECT) {
                                                        boost::shared_ptr<Track> t = boost::dynamic_pointer_cast<Track> (rtv->route ());
                                                        if (t) {
                                                                boost::shared_ptr<Playlist> pl = t->playlist ();
                                                                if (pl) {
 
-                                                                       boost::shared_ptr<Region> r = pl->top_region_at (event_frame (event));
+                                                                       boost::shared_ptr<Region> r = pl->top_region_at (canvas_event_frame (event));
                                                                        if (r) {
                                                                                RegionView* rv = rtv->view()->find_view (r);
                                                                                clicked_selection = select_range (rv->region()->position(), 
@@ -1076,10 +1129,12 @@ Editor::button_press_handler_1 (ArdourCanvas::Item* item, GdkEvent* event, ItemT
                                                                                rvs.push_back (rv);
                                                                                _drags->add (new RegionMoveDrag (this, item, rv, rvs, false, false));
                                                                                _drags->start_grab (event);
+                                                                               return true;
                                                                        }
                                                                }
                                                        }
                                                }
+*/
                                        }
                                }
                                break;
@@ -1166,8 +1221,8 @@ Editor::button_press_handler_1 (ArdourCanvas::Item* item, GdkEvent* event, ItemT
                        /* drag notes if we're in internal edit mode */
                        _drags->set (new NoteResizeDrag (this, item), event, current_canvas_cursor);
                        return true;
-               } else if ((!internal_editing() || dynamic_cast<AudioRegionView*> (clicked_regionview)) && clicked_regionview) {
-                       /* do time-FX if we're not in internal edit mode, or we are but we clicked on an audio region */
+               } else if (clicked_regionview) {
+                       /* do time-FX  */
                        _drags->set (new TimeFXDrag (this, item, clicked_regionview, selection->regions.by_layer()), event);
                        return true;
                }
@@ -1256,9 +1311,9 @@ Editor::button_press_handler_2 (ArdourCanvas::Item* item, GdkEvent* event, ItemT
 
        case MouseZoom:
                if (Keyboard::modifier_state_equals (event->button.state, Keyboard::PrimaryModifier)) {
-                       temporal_zoom_to_frame (false, event_frame (event));
+                       temporal_zoom_to_frame (false, canvas_event_frame (event));
                } else {
-                       temporal_zoom_to_frame (true, event_frame(event));
+                       temporal_zoom_to_frame (true, canvas_event_frame(event));
                }
                return true;
                break;
@@ -1277,7 +1332,7 @@ Editor::button_press_handler (ArdourCanvas::Item* item, GdkEvent* event, ItemTyp
                return false;
        }
 
-       Glib::RefPtr<Gdk::Window> canvas_window = const_cast<Editor*>(this)->track_canvas->get_window();
+       Glib::RefPtr<Gdk::Window> canvas_window = const_cast<Editor*>(this)->_track_canvas_viewport->get_window();
 
        if (canvas_window) {
                Glib::RefPtr<const Gdk::Window> pointer_window;
@@ -1287,21 +1342,19 @@ Editor::button_press_handler (ArdourCanvas::Item* item, GdkEvent* event, ItemTyp
 
                pointer_window = canvas_window->get_pointer (x, y, mask);
 
-               if (pointer_window == track_canvas->get_bin_window()) {
-                       track_canvas->window_to_world (x, y, wx, wy);
+               if (pointer_window == _track_canvas->get_window()) {
+                       _track_canvas->window_to_canvas (x, y, wx, wy);
                }
        }
 
         pre_press_cursor = current_canvas_cursor;
        
-       track_canvas->grab_focus();
+       _track_canvas->grab_focus();
 
        if (_session && _session->actively_recording()) {
                return true;
        }
 
-
-
        if (internal_editing()) {
                bool leave_internal_edit_mode = false;
 
@@ -1325,14 +1378,11 @@ Editor::button_press_handler (ArdourCanvas::Item* item, GdkEvent* event, ItemTyp
                case RangeMarkerBarItem:
                case CdMarkerBarItem:
                case TransportMarkerBarItem:
+               case StreamItem:
                        /* button press on these events never does anything to
                           change the editing mode.
                        */
                        break;
-                       
-               case StreamItem:
-                       leave_internal_edit_mode = true;
-                       break;
 
                default:
                        break;
@@ -1354,6 +1404,13 @@ Editor::button_press_handler (ArdourCanvas::Item* item, GdkEvent* event, ItemTyp
                return true;
        }
 
+       //not rolling, range mode click + join_play_range :  locate the PH here
+       if ( !_drags->active () && !_session->transport_rolling() && ( effective_mouse_mode() == MouseRange ) && Config->get_always_play_range() ) {
+               framepos_t where = canvas_event_frame (event, 0, 0);
+               snap_to(where);
+               _session->request_locate (where, false);
+       }
+
        switch (event->button.button) {
        case 1:
                return button_press_handler_1 (item, event, item_type);
@@ -1398,7 +1455,7 @@ Editor::button_release_dispatch (GdkEventButton* ev)
 bool
 Editor::button_release_handler (ArdourCanvas::Item* item, GdkEvent* event, ItemType item_type)
 {
-       framepos_t where = event_frame (event, 0, 0);
+       framepos_t where = canvas_event_frame (event, 0, 0);
        AutomationTimeAxisView* atv = 0;
 
         if (pre_press_cursor) {
@@ -1425,7 +1482,7 @@ Editor::button_release_handler (ArdourCanvas::Item* item, GdkEvent* event, ItemT
                were_dragging = true;
        }
 
-        update_region_layering_order_editor ();
+    update_region_layering_order_editor ();
 
        /* edit events get handled here */
 
@@ -1454,8 +1511,12 @@ Editor::button_release_handler (ArdourCanvas::Item* item, GdkEvent* event, ItemT
                        break;
 
                case NoteItem:
-                       edit_note (item);
+               {
+                       NoteBase* e = reinterpret_cast<NoteBase*> (item->get_data ("notebase"));
+                       assert (e);
+                       edit_notes (e->region_view().selection ());
                        break;
+               }
 
                default:
                        break;
@@ -1464,7 +1525,6 @@ Editor::button_release_handler (ArdourCanvas::Item* item, GdkEvent* event, ItemT
        }
 
        /* context menu events get handled here */
-
        if (Keyboard::is_context_menu_event (&event->button)) {
 
                context_click_event = *event;
@@ -1484,11 +1544,11 @@ Editor::button_release_handler (ArdourCanvas::Item* item, GdkEvent* event, ItemT
                                break;
 
                        case StartCrossFadeItem:
-                               popup_xfade_context_menu (1, event->button.time, item, item_type);
+                               popup_xfade_in_context_menu (1, event->button.time, item, item_type);
                                break;
 
                        case EndCrossFadeItem:
-                               popup_xfade_context_menu (1, event->button.time, item, item_type);
+                               popup_xfade_out_context_menu (1, event->button.time, item, item_type);
                                break;
 
                        case StreamItem:
@@ -1517,6 +1577,7 @@ Editor::button_release_handler (ArdourCanvas::Item* item, GdkEvent* event, ItemT
                        case CdMarkerBarItem:
                        case TempoBarItem:
                        case MeterBarItem:
+                       case VideoBarItem:
                                popup_ruler_menu (where, item_type);
                                break;
 
@@ -1639,7 +1700,7 @@ Editor::button_release_handler (ArdourCanvas::Item* item, GdkEvent* event, ItemT
 
                case MeterBarItem:
                        if (!_dragging_playhead) {
-                               mouse_add_new_meter_event (pixel_to_frame (event->button.x));
+                               mouse_add_new_meter_event (pixel_to_sample (event->button.x));
                        }
                        return true;
                        break;
@@ -1798,8 +1859,9 @@ Editor::enter_handler (ArdourCanvas::Item* item, GdkEvent* event, ItemType item_
        case GainLineItem:
                if (mouse_mode == MouseGain) {
                        ArdourCanvas::Line *line = dynamic_cast<ArdourCanvas::Line *> (item);
-                       if (line)
-                               line->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_EnteredGainLine.get();
+                       if (line) {
+                               line->set_outline_color (ARDOUR_UI::config()->get_canvasvar_EnteredGainLine());
+                       }
                        if (is_drawable()) {
                                set_canvas_cursor (_cursors->fader);
                        }
@@ -1810,7 +1872,7 @@ Editor::enter_handler (ArdourCanvas::Item* item, GdkEvent* event, ItemType item_
                if (mouse_mode == MouseGain || mouse_mode == MouseObject) {
                        ArdourCanvas::Line *line = dynamic_cast<ArdourCanvas::Line *> (item);
                        if (line) {
-                               line->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_EnteredAutomationLine.get();
+                               line->set_outline_color (ARDOUR_UI::config()->get_canvasvar_EnteredAutomationLine());
                        }
                        if (is_drawable()) {
                                set_canvas_cursor (_cursors->fader);
@@ -1819,7 +1881,7 @@ Editor::enter_handler (ArdourCanvas::Item* item, GdkEvent* event, ItemType item_
                break;
 
        case RegionViewNameHighlight:
-               if (is_drawable() && doing_object_stuff() && entered_regionview) {
+               if (is_drawable() && effective_mouse_mode() == MouseObject && entered_regionview) {
                        set_canvas_cursor_for_region_view (event->crossing.x, entered_regionview);
                        _over_region_trim_target = true;
                }
@@ -1827,7 +1889,7 @@ Editor::enter_handler (ArdourCanvas::Item* item, GdkEvent* event, ItemType item_
 
        case LeftFrameHandle:
        case RightFrameHandle:
-               if (is_drawable() && doing_object_stuff() && !internal_editing() && entered_regionview) {
+               if (is_drawable() && effective_mouse_mode() == MouseObject && !internal_editing() && entered_regionview) {
                        set_canvas_cursor_for_region_view (event->crossing.x, entered_regionview);
                }
                 break;
@@ -1918,7 +1980,7 @@ Editor::enter_handler (ArdourCanvas::Item* item, GdkEvent* event, ItemType item_
                        break;
                }
                entered_marker = marker;
-               marker->set_color_rgba (ARDOUR_UI::config()->canvasvar_EnteredMarker.get());
+               marker->set_color_rgba (ARDOUR_UI::config()->get_canvasvar_EnteredMarker());
                // fall through
        case MeterMarkerItem:
        case TempoMarkerItem:
@@ -1929,9 +1991,9 @@ Editor::enter_handler (ArdourCanvas::Item* item, GdkEvent* event, ItemType item_
 
        case FadeInHandleItem:
                if (mouse_mode == MouseObject && !internal_editing()) {
-                       ArdourCanvas::SimpleRect *rect = dynamic_cast<ArdourCanvas::SimpleRect *> (item);
+                       ArdourCanvas::Rectangle *rect = dynamic_cast<ArdourCanvas::Rectangle *> (item);
                        if (rect) {
-                               rect->property_fill_color_rgba() = 0xBBBBBBAA;
+                               rect->set_fill_color (0xBBBBBBAA);
                        }
                        set_canvas_cursor (_cursors->fade_in);
                }
@@ -1939,21 +2001,22 @@ Editor::enter_handler (ArdourCanvas::Item* item, GdkEvent* event, ItemType item_
 
        case FadeOutHandleItem:
                if (mouse_mode == MouseObject && !internal_editing()) {
-                       ArdourCanvas::SimpleRect *rect = dynamic_cast<ArdourCanvas::SimpleRect *> (item);
+                       ArdourCanvas::Rectangle *rect = dynamic_cast<ArdourCanvas::Rectangle *> (item);
                        if (rect) {
-                               rect->property_fill_color_rgba() = 0xBBBBBBAA;
+                               rect->set_fill_color (0xBBBBBBAA);
                        }
                        set_canvas_cursor (_cursors->fade_out);
                }
                break;
        case FeatureLineItem:
-               {
-                       ArdourCanvas::Line *line = dynamic_cast<ArdourCanvas::Line *> (item);
-                       line->property_fill_color_rgba() = 0xFF0000FF;
-               }
-               break;
+       {
+               ArdourCanvas::Line *line = dynamic_cast<ArdourCanvas::Line *> (item);
+               line->set_outline_color (0xFF0000FF);
+       }
+       break;
+       
        case SelectionItem:
-               if (smart_mode_action->get_active()) {
+               if ( get_smart_mode() ) {
                        set_canvas_cursor ();
                }
                break;
@@ -2038,8 +2101,9 @@ Editor::leave_handler (ArdourCanvas::Item* item, GdkEvent*, ItemType item_type)
                al = reinterpret_cast<AutomationLine*> (item->get_data ("line"));
                {
                        ArdourCanvas::Line *line = dynamic_cast<ArdourCanvas::Line *> (item);
-                       if (line)
-                               line->property_fill_color_rgba() = al->get_line_color();
+                       if (line) {
+                               line->set_outline_color (al->get_line_color());
+                       }
                }
                if (is_drawable()) {
                        set_canvas_cursor (current_canvas_cursor);
@@ -2090,10 +2154,9 @@ Editor::leave_handler (ArdourCanvas::Item* item, GdkEvent*, ItemType item_type)
        case FadeOutHandleItem:
                rv = static_cast<RegionView*>(item->get_data ("regionview"));
                {
-                       ArdourCanvas::SimpleRect *rect = dynamic_cast<ArdourCanvas::SimpleRect *> (item);
+                       ArdourCanvas::Rectangle *rect = dynamic_cast<ArdourCanvas::Rectangle *> (item);
                        if (rect) {
-                               rect->property_fill_color_rgba() = rv->get_fill_color();
-                               rect->property_outline_pixels() = 0;
+                               rect->set_fill_color (rv->get_fill_color());
                        }
                }
                set_canvas_cursor (current_canvas_cursor);
@@ -2109,7 +2172,7 @@ Editor::leave_handler (ArdourCanvas::Item* item, GdkEvent*, ItemType item_type)
        case FeatureLineItem:
                {
                        ArdourCanvas::Line *line = dynamic_cast<ArdourCanvas::Line *> (item);
-                       line->property_fill_color_rgba() = (guint) ARDOUR_UI::config()->canvasvar_ZeroLine.get();;
+                       line->set_outline_color (ARDOUR_UI::config()->get_canvasvar_ZeroLine());
                }
                break;
 
@@ -2226,7 +2289,7 @@ Editor::motion_handler (ArdourCanvas::Item* /*item*/, GdkEvent* event, bool from
                   event might do, its a good tradeoff.
                */
 
-               track_canvas->get_pointer (x, y);
+               _track_canvas->get_pointer (x, y);
        }
 
        if (current_stepping_trackview) {
@@ -2242,11 +2305,12 @@ Editor::motion_handler (ArdourCanvas::Item* /*item*/, GdkEvent* event, bool from
 
        JoinObjectRangeState const old = _join_object_range_state;
        update_join_object_range_location (event->motion.x, event->motion.y);
-       if (_join_object_range_state != old) {
+
+       if (!_internal_editing && _join_object_range_state != old) {
                set_canvas_cursor ();
        }
 
-       if (_over_region_trim_target) {
+       if (!_internal_editing && _over_region_trim_target) {
                set_canvas_cursor_for_region_view (event->motion.x, entered_regionview);
        }
 
@@ -2323,12 +2387,13 @@ Editor::edit_control_point (ArdourCanvas::Item* item)
 }
 
 void
-Editor::edit_note (ArdourCanvas::Item* item)
+Editor::edit_notes (MidiRegionView::Selection const & s)
 {
-       ArdourCanvas::CanvasNoteEvent* e = dynamic_cast<ArdourCanvas::CanvasNoteEvent*> (item);
-       assert (e);
-
-       EditNoteDialog d (&e->region_view(), e);
+       if (s.empty ()) {
+               return;
+       }
+       
+       EditNoteDialog d (&(*s.begin())->region_view(), s);
        d.set_position (Gtk::WIN_POS_MOUSE);
        ensure_float (d);
 
@@ -2418,6 +2483,15 @@ Editor::cancel_selection ()
        clicked_selection = 0;
 }
 
+void
+Editor::cancel_time_selection ()
+{
+    for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
+               (*i)->hide_selection ();
+       }
+       selection->time.clear ();
+       clicked_selection = 0;
+}      
 
 void
 Editor::point_trim (GdkEvent* event, framepos_t new_bound)
@@ -2433,10 +2507,6 @@ Editor::point_trim (GdkEvent* event, framepos_t new_bound)
                        for (list<RegionView*>::const_iterator i = selection->regions.by_layer().begin();
                             i != selection->regions.by_layer().end(); ++i)
                        {
-                               if ( (*i) == NULL){
-                                   cerr << "region view contains null region" << endl;
-                               }
-
                                if (!(*i)->region()->locked()) {
                                        (*i)->region()->clear_changes ();
                                        (*i)->region()->trim_front (new_bound);
@@ -2505,14 +2575,11 @@ Editor::hide_marker (ArdourCanvas::Item* item, GdkEvent* /*event*/)
 void
 Editor::reposition_zoom_rect (framepos_t start, framepos_t end)
 {
-       double x1 = frame_to_pixel (start);
-       double x2 = frame_to_pixel (end);
-       double y2 = full_canvas_height - 1.0;
-
-       zoom_rect->property_x1() = x1;
-       zoom_rect->property_y1() = 1.0;
-       zoom_rect->property_x2() = x2;
-       zoom_rect->property_y2() = y2;
+       double x1 = sample_to_pixel (start);
+       double x2 = sample_to_pixel (end);
+       double y2 = _full_canvas_height - 1.0;
+
+       zoom_rect->set (ArdourCanvas::Rect (x1, 1.0, x2, y2));
 }
 
 
@@ -2610,12 +2677,9 @@ Editor::add_region_drag (ArdourCanvas::Item* item, GdkEvent*, RegionView* region
        if (Config->get_edit_mode() == Splice) {
                _drags->add (new RegionSpliceDrag (this, item, region_view, selection->regions.by_layer()));
        } else {
-               RegionSelection s = get_equivalent_regions (selection->regions, ARDOUR::Properties::edit.property_id);
+               RegionSelection s = get_equivalent_regions (selection->regions, ARDOUR::Properties::select.property_id);
                _drags->add (new RegionMoveDrag (this, item, region_view, s.by_layer(), false, false));
        }
-
-       /* sync the canvas to what we think is its current state */
-       update_canvas_now();
 }
 
 void
@@ -2629,7 +2693,7 @@ Editor::add_region_copy_drag (ArdourCanvas::Item* item, GdkEvent*, RegionView* r
 
        _region_motion_group->raise_to_top ();
 
-       RegionSelection s = get_equivalent_regions (selection->regions, ARDOUR::Properties::edit.property_id);
+       RegionSelection s = get_equivalent_regions (selection->regions, ARDOUR::Properties::select.property_id);
        _drags->add (new RegionMoveDrag (this, item, region_view, s.by_layer(), false, true));
 }
 
@@ -2646,7 +2710,7 @@ Editor::add_region_brush_drag (ArdourCanvas::Item* item, GdkEvent*, RegionView*
                return;
        }
 
-       RegionSelection s = get_equivalent_regions (selection->regions, ARDOUR::Properties::edit.property_id);
+       RegionSelection s = get_equivalent_regions (selection->regions, ARDOUR::Properties::select.property_id);
        _drags->add (new RegionMoveDrag (this, item, region_view, s.by_layer(), true, false));
 
        begin_reversible_command (Operations::drag_region_brush);
@@ -2781,7 +2845,7 @@ Editor::update_join_object_range_location (double /*x*/, double y)
           that we're over requires searching the playlist.
        */
 
-       if (!smart_mode_action->get_active() || (mouse_mode != MouseRange && mouse_mode != MouseObject)) {
+       if ( !get_smart_mode() ) {
                _join_object_range_state = JOIN_OBJECT_RANGE_NONE;
                return;
        }
@@ -2793,7 +2857,7 @@ Editor::update_join_object_range_location (double /*x*/, double y)
        }
 
        /* XXX: maybe we should make entered_track work in all cases, rather than resorting to this */
-       pair<TimeAxisView*, int> tvp = trackview_by_y_position (y + vertical_adjustment.get_value() - canvas_timebars_vsize);
+       pair<TimeAxisView*, int> tvp = trackview_by_y_position (y);
 
        if (tvp.first) {
 
@@ -2802,13 +2866,11 @@ Editor::update_join_object_range_location (double /*x*/, double y)
 
                        double cx = 0;
                        double cy = y;
-                       rtv->canvas_display()->w2i (cx, cy);
+                       rtv->canvas_display()->canvas_to_item (cx, cy);
 
                        double const c = cy / (rtv->view()->child_height() - TimeAxisViewItem::NAME_HIGHLIGHT_SIZE);
-                       double d;
-                       double const f = modf (c, &d);
 
-                       _join_object_range_state = f < 0.5 ? JOIN_OBJECT_RANGE_RANGE : JOIN_OBJECT_RANGE_OBJECT;
+                       _join_object_range_state = c <= 0.5 ? JOIN_OBJECT_RANGE_RANGE : JOIN_OBJECT_RANGE_OBJECT;
                }
        }
 }
@@ -2828,7 +2890,7 @@ Editor::effective_mouse_mode () const
 void
 Editor::remove_midi_note (ArdourCanvas::Item* item, GdkEvent *)
 {
-       ArdourCanvas::CanvasNoteEvent* e = dynamic_cast<ArdourCanvas::CanvasNoteEvent*> (item);
+       NoteBase* e = reinterpret_cast<NoteBase*> (item->get_data ("notebase"));
        assert (e);
 
        e->region_view().delete_note (e->note ());
@@ -2837,20 +2899,26 @@ Editor::remove_midi_note (ArdourCanvas::Item* item, GdkEvent *)
 void
 Editor::set_canvas_cursor_for_region_view (double x, RegionView* rv)
 {
+       /* XXX: this check should not be necessary */
+       if (rv == 0) {
+               return;
+       }
+
        assert (rv);
 
        ArdourCanvas::Group* g = rv->get_canvas_group ();
-       ArdourCanvas::Group* p = g->get_parent_group ();
+       ArdourCanvas::Group* p = g->parent ();
 
        /* Compute x in region view parent coordinates */
        double dy = 0;
-       p->w2i (x, dy);
+       p->canvas_to_item (x, dy);
 
-       double x1, x2, y1, y2;
-       g->get_bounds (x1, y1, x2, y2);
+       boost::optional<ArdourCanvas::Rect> item_bbox = g->bounding_box ();
+       assert (item_bbox);
+       ArdourCanvas::Rect parent_bbox = g->item_to_parent (item_bbox.get ());
 
        /* Halfway across the region */
-       double const h = (x1 + x2) / 2;
+       double const h = (parent_bbox.x0 + parent_bbox.x1) / 2;
 
        Trimmable::CanTrim ct = rv->region()->can_trim ();
        if (x <= h) {
@@ -2868,11 +2936,11 @@ Editor::set_canvas_cursor_for_region_view (double x, RegionView* rv)
        }
 }
 
-/** Obtain the pointer position in world coordinates */
+/** Obtain the pointer position in canvas coordinates */
 void
 Editor::get_pointer_position (double& x, double& y) const
 {
        int px, py;
-       track_canvas->get_pointer (px, py);
-       track_canvas->window_to_world (px, py, x, y);
+       _track_canvas->get_pointer (px, py);
+       _track_canvas->window_to_canvas (px, py, x, y);
 }