Remove beat entry from meter dialog (beats are not allowed in API), clean up some...
[ardour.git] / gtk2_ardour / editor_mouse.cc
index 86e6a9960af734295f71b091a745a979ecf19c24..b745b93f2cbf332cde95e633000085706bb6a201 100644 (file)
@@ -202,6 +202,53 @@ Editor::mouse_mode_toggled (MouseMode m)
        }
 }      
 
+Gdk::Cursor*
+Editor::which_grabber_cursor ()
+{
+       switch (_edit_point) {
+       case EditAtMouse:
+               return grabber_edit_point_cursor;
+               break;
+       default:
+               return grabber_cursor;
+               break;
+       }
+}
+
+void
+Editor::set_canvas_cursor ()
+{
+       switch (mouse_mode) {
+       case MouseRange:
+               current_canvas_cursor = selector_cursor;
+               break;
+
+       case MouseObject:
+               current_canvas_cursor = which_grabber_cursor();
+               break;
+
+       case MouseGain:
+               current_canvas_cursor = cross_hair_cursor;
+               break;
+
+       case MouseZoom:
+               current_canvas_cursor = zoom_cursor;
+               break;
+
+       case MouseTimeFX:
+               current_canvas_cursor = time_fx_cursor; // just use playhead
+               break;
+
+       case MouseAudition:
+               current_canvas_cursor = speaker_cursor;
+               break;
+       }
+
+       if (is_drawable()) {
+               track_canvas.get_window()->set_cursor(*current_canvas_cursor);
+       }
+}
+
 void
 Editor::set_mouse_mode (MouseMode m, bool force)
 {
@@ -243,7 +290,7 @@ Editor::set_mouse_mode (MouseMode m, bool force)
                }
        }
 
-       /* XXX the hack of unsetting all other buttongs should go 
+       /* XXX the hack of unsetting all other buttons should go 
           away once GTK2 allows us to use regular radio buttons drawn like
           normal buttons, rather than my silly GroupedButton hack.
        */
@@ -253,40 +300,32 @@ Editor::set_mouse_mode (MouseMode m, bool force)
        switch (mouse_mode) {
        case MouseRange:
                mouse_select_button.set_active (true);
-               current_canvas_cursor = selector_cursor;
                break;
 
        case MouseObject:
                mouse_move_button.set_active (true);
-               current_canvas_cursor = grabber_cursor;
                break;
 
        case MouseGain:
                mouse_gain_button.set_active (true);
-               current_canvas_cursor = cross_hair_cursor;
                break;
 
        case MouseZoom:
                mouse_zoom_button.set_active (true);
-               current_canvas_cursor = zoom_cursor;
                break;
 
        case MouseTimeFX:
                mouse_timefx_button.set_active (true);
-               current_canvas_cursor = time_fx_cursor; // just use playhead
                break;
 
        case MouseAudition:
                mouse_audition_button.set_active (true);
-               current_canvas_cursor = speaker_cursor;
                break;
        }
 
        ignore_mouse_mode_toggle = false;
-
-       if (is_drawable()) {
-               track_canvas.get_window()->set_cursor(*current_canvas_cursor);
-       }
+       
+       set_canvas_cursor ();
 }
 
 void
@@ -328,8 +367,6 @@ Editor::step_mouse_mode (bool next)
 void
 Editor::button_selection (ArdourCanvas::Item* item, GdkEvent* event, ItemType item_type)
 {
-       bool commit = false;
-
        /* in object/audition/timefx mode, any button press sets
           the selection if the object can be selected. this is a
           bit of hack, because we want to avoid this if the
@@ -368,18 +405,18 @@ Editor::button_selection (ArdourCanvas::Item* item, GdkEvent* event, ItemType it
        switch (item_type) {
        case RegionItem:
                if (mouse_mode != MouseRange) {
-                       commit = set_selected_regionview_from_click (press, op, true);
+                       set_selected_regionview_from_click (press, op, true);
                } else if (event->type == GDK_BUTTON_PRESS) {
-                       commit = set_selected_track_from_click (press, op, false);
+                       set_selected_track_as_side_effect ();
                }
                break;
                
        case RegionViewNameHighlight:
        case RegionViewName:
                if (mouse_mode != MouseRange) {
-                       commit = set_selected_regionview_from_click (press, op, true);
+                       set_selected_regionview_from_click (press, op, true);
                } else if (event->type == GDK_BUTTON_PRESS) {
-                       commit = set_selected_track_from_click (press, op, false);
+                       set_selected_track_as_side_effect ();
                }
                break;
 
@@ -388,41 +425,37 @@ Editor::button_selection (ArdourCanvas::Item* item, GdkEvent* event, ItemType it
        case FadeOutHandleItem:
        case FadeOutItem:
                if (mouse_mode != MouseRange) {
-                       commit = set_selected_regionview_from_click (press, op, true);
+                       set_selected_regionview_from_click (press, op, true);
                } else if (event->type == GDK_BUTTON_PRESS) {
-                       commit = set_selected_track_from_click (press, op, false);
+                       set_selected_track_as_side_effect ();
                }
                break;
                
        case GainAutomationControlPointItem:
        case PanAutomationControlPointItem:
        case RedirectAutomationControlPointItem:
-               commit = set_selected_track_from_click (press, op, true);
+               set_selected_track_as_side_effect ();
                if (mouse_mode != MouseRange) {
-                       commit |= set_selected_control_point_from_click (op, false);
+                       set_selected_control_point_from_click (op, false);
                }
                break;
                
        case StreamItem:
                /* for context click or range selection, select track */
                if (event->button.button == 3) {
-                       commit = set_selected_track_from_click (press, op, true);
+                       set_selected_track_as_side_effect ();
                } else if (event->type == GDK_BUTTON_PRESS && mouse_mode == MouseRange) {
-                       commit = set_selected_track_from_click (press, op, false);
+                       set_selected_track_as_side_effect ();
                }
                break;
                    
        case AutomationTrackItem:
-               commit = set_selected_track_from_click (press, op, true);
+               set_selected_track_as_side_effect (true);
                break;
                
        default:
                break;
        }
-       
-//     if (commit) {
-//             commit_reversible_command ();
-//     }
 }
 
 const static double ZERO_GAIN_FRACTION = gain_to_slider_position(dB_to_coefficient(0.0));
@@ -463,13 +496,12 @@ Editor::button_press_handler (ArdourCanvas::Item* item, GdkEvent* event, ItemTyp
                        */
                        
                        switch (item_type) {
-                       case EditCursorItem:
                        case PlayheadCursorItem:
                                start_cursor_grab (item, event);
                                return true;
 
                        case MarkerItem:
-                               if (Keyboard::modifier_state_equals (event->button.state, Keyboard::ModifierMask(Keyboard::Control|Keyboard::Shift))) {
+                               if (Keyboard::modifier_state_equals (event->button.state, Keyboard::ModifierMask(Keyboard::PrimaryModifier|Keyboard::TertiaryModifier))) {
                                        hide_marker (item, event);
                                } else {
                                        start_marker_grab (item, event);
@@ -477,7 +509,7 @@ Editor::button_press_handler (ArdourCanvas::Item* item, GdkEvent* event, ItemTyp
                                return true;
 
                        case TempoMarkerItem:
-                               if (Keyboard::modifier_state_contains (event->button.state, Keyboard::Control)) {
+                               if (Keyboard::modifier_state_contains (event->button.state, Keyboard::CopyModifier)) {
                                        start_tempo_marker_copy_grab (item, event);
                                } else {
                                        start_tempo_marker_grab (item, event);
@@ -485,7 +517,7 @@ Editor::button_press_handler (ArdourCanvas::Item* item, GdkEvent* event, ItemTyp
                                return true;
 
                        case MeterMarkerItem:
-                               if (Keyboard::modifier_state_contains (event->button.state, Keyboard::Control)) {
+                               if (Keyboard::modifier_state_contains (event->button.state, Keyboard::CopyModifier)) {
                                        start_meter_marker_copy_grab (item, event);
                                } else {
                                        start_meter_marker_grab (item, event);
@@ -503,6 +535,11 @@ Editor::button_press_handler (ArdourCanvas::Item* item, GdkEvent* event, ItemTyp
                                return true;
                                break;
 
+                       case CdMarkerBarItem:
+                               start_range_markerbar_op (item, event, CreateCDMarker); 
+                               return true;
+                               break;
+
                        case TransportMarkerBarItem:
                                start_range_markerbar_op (item, event, CreateTransportMarker); 
                                return true;
@@ -526,14 +563,13 @@ Editor::button_press_handler (ArdourCanvas::Item* item, GdkEvent* event, ItemTyp
 
                        case SelectionItem:
                                if (Keyboard::modifier_state_contains 
-                                   (event->button.state, Keyboard::ModifierMask(Keyboard::Alt))) {
+                                   (event->button.state, Keyboard::ModifierMask(Keyboard::SecondaryModifier))) {
                                        // contains and not equals because I can't use alt as a modifier alone.
                                        start_selection_grab (item, event);
-                               } else if (Keyboard::modifier_state_equals (event->button.state, Keyboard::Control)) {
+                               } else if (Keyboard::modifier_state_equals (event->button.state, Keyboard::PrimaryModifier)) {
                                        /* grab selection for moving */
                                        start_selection_op (item, event, SelectionMove);
-                               }
-                               else {
+                               } else {
                                        /* this was debated, but decided the more common action was to
                                           make a new selection */
                                        start_selection_op (item, event, CreateSelection);
@@ -547,7 +583,7 @@ Editor::button_press_handler (ArdourCanvas::Item* item, GdkEvent* event, ItemTyp
                        break;
                        
                case MouseObject:
-                       if (Keyboard::modifier_state_contains (event->button.state, Keyboard::ModifierMask(Keyboard::Control|Keyboard::Alt)) &&
+                       if (Keyboard::modifier_state_contains (event->button.state, Keyboard::ModifierMask(Keyboard::PrimaryModifier|Keyboard::SecondaryModifier)) &&
                            event->type == GDK_BUTTON_PRESS) {
                                
                                start_rubberband_select (item, event);
@@ -564,7 +600,7 @@ Editor::button_press_handler (ArdourCanvas::Item* item, GdkEvent* event, ItemTyp
                                        return true;
 
                                case RegionItem:
-                                       if (Keyboard::modifier_state_contains (event->button.state, Keyboard::Control)) {
+                                       if (Keyboard::modifier_state_contains (event->button.state, Keyboard::CopyModifier)) {
                                                start_region_copy_grab (item, event);
                                        } else if (Keyboard::the_keyboard().key_is_down (GDK_b)) {
                                                start_region_brush_grab (item, event);
@@ -710,8 +746,11 @@ Editor::button_press_handler (ArdourCanvas::Item* item, GdkEvent* event, ItemTyp
 
                case MouseAudition:
                        _scrubbing = true;
+                       scrub_reversals = 0;
+                       scrub_reverse_distance = 0;
                        last_scrub_x = event->button.x;
                        scrubbing_direction = 0;
+                       track_canvas.get_window()->set_cursor (*transparent_cursor);
                        /* rest handled in motion & release */
                        break;
 
@@ -726,13 +765,14 @@ Editor::button_press_handler (ArdourCanvas::Item* item, GdkEvent* event, ItemTyp
                        if (event->type == GDK_BUTTON_PRESS) {
                                switch (item_type) {
                                case RegionItem:
-                                       if (Keyboard::modifier_state_contains (event->button.state, Keyboard::Control)) {
+                                       if (Keyboard::modifier_state_contains (event->button.state, Keyboard::CopyModifier)) {
                                                start_region_copy_grab (item, event);
                                        } else {
                                                start_region_grab (item, event);
                                        }
-                                       
+                                       return true;
                                        break;
+
                                case GainAutomationControlPointItem:
                                case PanAutomationControlPointItem:
                                case RedirectAutomationControlPointItem:
@@ -772,7 +812,7 @@ Editor::button_press_handler (ArdourCanvas::Item* item, GdkEvent* event, ItemTyp
                                        
                                
                case MouseZoom:
-                       if (Keyboard::modifier_state_equals (event->button.state, Keyboard::Control)) {
+                       if (Keyboard::modifier_state_equals (event->button.state, Keyboard::PrimaryModifier)) {
                                temporal_zoom_session();
                        } else {
                                temporal_zoom_to_frame (true, event_frame(event));
@@ -801,6 +841,7 @@ bool
 Editor::button_release_handler (ArdourCanvas::Item* item, GdkEvent* event, ItemType item_type)
 {
        nframes_t where = event_frame (event, 0, 0);
+       AutomationTimeAxisView* atv = 0;
 
        /* no action if we're recording */
                                                
@@ -885,7 +926,8 @@ Editor::button_release_handler (ArdourCanvas::Item* item, GdkEvent* event, ItemT
 
                        case MarkerBarItem: 
                        case RangeMarkerBarItem: 
-                       case TransportMarkerBarItem: 
+                       case TransportMarkerBarItem:
+                       case CdMarkerBarItem:
                        case TempoBarItem:
                        case MeterBarItem:
                                popup_ruler_menu (pixel_to_frame(event->button.x), item_type);
@@ -977,7 +1019,6 @@ Editor::button_release_handler (ArdourCanvas::Item* item, GdkEvent* event, ItemT
 
                switch (item_type) {
                /* see comments in button_press_handler */
-               case EditCursorItem:
                case PlayheadCursorItem:
                case MarkerItem:
                case GainLineItem:
@@ -995,6 +1036,14 @@ Editor::button_release_handler (ArdourCanvas::Item* item, GdkEvent* event, ItemT
                        mouse_add_new_marker (where);
                        return true;
 
+               case CdMarkerBarItem:
+                       // if we get here then a dragged range wasn't done
+                       if (!Keyboard::modifier_state_contains (event->button.state, Keyboard::snap_modifier())) {
+                               snap_to (where, 0, true);
+                       }
+                       mouse_add_new_marker (where, true);
+                       return true;
+
                case TempoBarItem:
                        if (!Keyboard::modifier_state_contains (event->button.state, Keyboard::snap_modifier())) {
                                snap_to (where);
@@ -1015,14 +1064,14 @@ Editor::button_release_handler (ArdourCanvas::Item* item, GdkEvent* event, ItemT
                case MouseObject:
                        switch (item_type) {
                        case AutomationTrackItem:
-                               dynamic_cast<AutomationTimeAxisView*>(clicked_trackview)->add_automation_event 
-                                       (item,
-                                        event,
-                                        where,
-                                        event->button.y);
+                               atv = dynamic_cast<AutomationTimeAxisView*>(clicked_trackview);
+                               if (atv) {
+                                       atv->add_automation_event (item, event, where, event->button.y);
+                               }
                                return true;
+                               
                                break;
-
+                               
                        default:
                                break;
                        }
@@ -1053,11 +1102,12 @@ Editor::button_release_handler (ArdourCanvas::Item* item, GdkEvent* event, ItemT
                        
                case MouseAudition:
                        _scrubbing = false;
+                       track_canvas.get_window()->set_cursor (*current_canvas_cursor);
                        if (scrubbing_direction == 0) {
                                /* no drag, just a click */
                                switch (item_type) {
                                case RegionItem:
-                                       audition_selected_region ();
+                                       play_selected_region ();
                                        break;
                                default:
                                        break;
@@ -1083,9 +1133,9 @@ Editor::button_release_handler (ArdourCanvas::Item* item, GdkEvent* event, ItemT
                case MouseObject:
                        switch (item_type) {
                        case RegionItem:
-                               if (Keyboard::modifier_state_equals (event->button.state, Keyboard::Shift)) {
+                               if (Keyboard::modifier_state_equals (event->button.state, Keyboard::TertiaryModifier)) {
                                        raise_region ();
-                               } else if (Keyboard::modifier_state_equals (event->button.state, Keyboard::ModifierMask (Keyboard::Shift|Keyboard::Alt))) {
+                               } else if (Keyboard::modifier_state_equals (event->button.state, Keyboard::ModifierMask (Keyboard::TertiaryModifier|Keyboard::SecondaryModifier))) {
                                        lower_region ();
                                } else {
                                        // Button2 click is unused
@@ -1127,6 +1177,11 @@ Editor::enter_handler (ArdourCanvas::Item* item, GdkEvent* event, ItemType item_
        Marker * marker;
        double fraction;
        
+       if (last_item_entered != item) {
+               last_item_entered = item;
+               last_item_entered_n = 0;
+       }
+
        switch (item_type) {
        case GainControlPointItem:
                if (mouse_mode == MouseGain) {
@@ -1142,12 +1197,15 @@ Editor::enter_handler (ArdourCanvas::Item* item, GdkEvent* event, ItemType item_
 
                        fraction = 1.0 - (cp->get_y() / cp->line.height());
 
-                       set_verbose_canvas_cursor (cp->line.get_verbose_cursor_string (fraction), at_x, at_y);
-                       show_verbose_canvas_cursor ();
-
-                       if (is_drawable()) {
+                       if (is_drawable() && !_scrubbing) {
                                track_canvas.get_window()->set_cursor (*fader_cursor);
                        }
+
+                       last_item_entered_n++;
+                       set_verbose_canvas_cursor (cp->line.get_verbose_cursor_string (fraction), at_x, at_y);
+                       if (last_item_entered_n < 10) {
+                               show_verbose_canvas_cursor ();
+                       }
                }
                break;
 
@@ -1222,10 +1280,16 @@ Editor::enter_handler (ArdourCanvas::Item* item, GdkEvent* event, ItemType item_
                }
                break;
 
-       case EditCursorItem:
        case PlayheadCursorItem:
                if (is_drawable()) {
-                       track_canvas.get_window()->set_cursor (*grabber_cursor);
+                       switch (_edit_point) {
+                       case EditAtMouse:
+                               track_canvas.get_window()->set_cursor (*grabber_edit_point_cursor);
+                               break;
+                       default:
+                               track_canvas.get_window()->set_cursor (*grabber_cursor);
+                               break;
+                       }
                }
                break;
 
@@ -1269,6 +1333,7 @@ Editor::enter_handler (ArdourCanvas::Item* item, GdkEvent* event, ItemType item_
        case MarkerBarItem:
        case RangeMarkerBarItem:
        case TransportMarkerBarItem:
+       case CdMarkerBarItem:
        case MeterBarItem:
        case TempoBarItem:
                if (is_drawable()) {
@@ -1280,6 +1345,7 @@ Editor::enter_handler (ArdourCanvas::Item* item, GdkEvent* event, ItemType item_
                if ((marker = static_cast<Marker *> (item->get_data ("marker"))) == 0) {
                        break;
                }
+               entered_marker = marker;
                marker->set_color_rgba (ARDOUR_UI::config()->canvasvar_EnteredMarker.get());
                // fall through
        case MeterMarkerItem:
@@ -1363,7 +1429,6 @@ Editor::leave_handler (ArdourCanvas::Item* item, GdkEvent* event, ItemType item_
        case RegionViewNameHighlight:
        case StartSelectionTrimItem:
        case EndSelectionTrimItem:
-       case EditCursorItem:
        case PlayheadCursorItem:
        /* <CMT Additions> */
        case ImageFrameHandleStartItem:
@@ -1402,6 +1467,7 @@ Editor::leave_handler (ArdourCanvas::Item* item, GdkEvent* event, ItemType item_
 
        case RangeMarkerBarItem:
        case TransportMarkerBarItem:
+       case CdMarkerBarItem:
        case MeterBarItem:
        case TempoBarItem:
        case MarkerBarItem:
@@ -1414,8 +1480,10 @@ Editor::leave_handler (ArdourCanvas::Item* item, GdkEvent* event, ItemType item_
                if ((marker = static_cast<Marker *> (item->get_data ("marker"))) == 0) {
                        break;
                }
-               loc = find_location_from_marker (marker, is_start);
-               if (loc) location_flags_changed (loc, this);
+               entered_marker = 0;
+               if ((loc = find_location_from_marker (marker, is_start)) != 0) {
+                       location_flags_changed (loc, this);
+               }
                // fall through
        case MeterMarkerItem:
        case TempoMarkerItem:
@@ -1466,18 +1534,20 @@ Editor::left_automation_track ()
 bool
 Editor::motion_handler (ArdourCanvas::Item* item, GdkEvent* event, ItemType item_type, bool from_autoscroll)
 {
-       gint x, y;
-
-       /* We call this so that MOTION_NOTIFY events continue to be
-          delivered to the canvas. We need to do this because we set
-          Gdk::POINTER_MOTION_HINT_MASK on the canvas. This reduces
-          the density of the events, at the expense of a round-trip
-          to the server. Given that this will mostly occur on cases
-          where DISPLAY = :0.0, and given the cost of what the motion
-          event might do, its a good tradeoff.  
-       */
-
-       track_canvas.get_pointer (x, y);
+       if (event->motion.is_hint) {
+               gint x, y;
+               
+               /* We call this so that MOTION_NOTIFY events continue to be
+                  delivered to the canvas. We need to do this because we set
+                  Gdk::POINTER_MOTION_HINT_MASK on the canvas. This reduces
+                  the density of the events, at the expense of a round-trip
+                  to the server. Given that this will mostly occur on cases
+                  where DISPLAY = :0.0, and given the cost of what the motion
+                  event might do, its a good tradeoff.  
+               */
+               
+               track_canvas.get_pointer (x, y);
+       }
 
        if (current_stepping_trackview) {
                /* don't keep the persistent stepped trackview if the mouse moves */
@@ -1509,39 +1579,67 @@ Editor::motion_handler (ArdourCanvas::Item* item, GdkEvent* event, ItemType item
                                scrubbing_direction = 1;
 
                        } else {
-
                                
                                if (last_scrub_x > drag_info.current_pointer_x) {
-                                       /* move to the left */
+
+                                       /* pointer moved to the left */
                                        
                                        if (scrubbing_direction > 0) {
+
                                                /* we reversed direction to go backwards */
-                                               
-                                               session->request_transport_speed (-0.1);
-                                               
+
+                                               scrub_reversals++;
+                                               scrub_reverse_distance += (int) (last_scrub_x - drag_info.current_pointer_x);
+
                                        } else {
+
                                                /* still moving to the left (backwards) */
                                                
-                                               delta = 0.005 * (last_scrub_x - drag_info.current_pointer_x);
+                                               scrub_reversals = 0;
+                                               scrub_reverse_distance = 0;
+
+                                               delta = 0.01 * (last_scrub_x - drag_info.current_pointer_x);
                                                session->request_transport_speed (session->transport_speed() - delta);
                                        }
                                        
-                                       scrubbing_direction = -1;
-                                       
                                } else {
-                                       /* move to the right */
+                                       /* pointer moved to the right */
+
                                        if (scrubbing_direction < 0) {
                                                /* we reversed direction to go forward */
-                                               
-                                               session->request_transport_speed (0.1);
+
+                                               scrub_reversals++;
+                                               scrub_reverse_distance += (int) (drag_info.current_pointer_x - last_scrub_x);
+
                                        } else {
                                                /* still moving to the right */
+
+                                               scrub_reversals = 0;
+                                               scrub_reverse_distance = 0;
                                                
-                                               delta = 0.005 * (drag_info.current_pointer_x - last_scrub_x);
+                                               delta = 0.01 * (drag_info.current_pointer_x - last_scrub_x);
                                                session->request_transport_speed (session->transport_speed() + delta);
                                        }
+                               }
+
+                               /* if there have been more than 2 opposite motion moves detected, or one that moves
+                                  back more than 10 pixels, reverse direction
+                               */
+
+                               if (scrub_reversals >= 2 || scrub_reverse_distance > 10) {
+
+                                       if (scrubbing_direction > 0) {
+                                               /* was forwards, go backwards */
+                                               session->request_transport_speed (-0.1);
+                                               scrubbing_direction = -1;
+                                       } else {
+                                               /* was backwards, go forwards */
+                                               session->request_transport_speed (0.1);
+                                               scrubbing_direction = 1;
+                                       }
                                        
-                                       scrubbing_direction = 1;
+                                       scrub_reverse_distance = 0;
+                                       scrub_reversals = 0;
                                }
                        }
 
@@ -1557,8 +1655,8 @@ Editor::motion_handler (ArdourCanvas::Item* item, GdkEvent* event, ItemType item
                */
                if (!drag_info.move_threshold_passed) {
 
-                       bool x_threshold_passed =  (abs ((nframes64_t) (drag_info.current_pointer_x - drag_info.grab_x)) > 4LL);
-                       bool y_threshold_passed =  (abs ((nframes64_t) (drag_info.current_pointer_y - drag_info.grab_y)) > 4LL);
+                       bool x_threshold_passed =  (::llabs ((nframes64_t) (drag_info.current_pointer_x - drag_info.grab_x)) > 4LL);
+                       bool y_threshold_passed =  (::llabs ((nframes64_t) (drag_info.current_pointer_y - drag_info.grab_y)) > 4LL);
                        
                        drag_info.move_threshold_passed = (x_threshold_passed || y_threshold_passed);
                        
@@ -1576,7 +1674,6 @@ Editor::motion_handler (ArdourCanvas::Item* item, GdkEvent* event, ItemType item
 
        switch (item_type) {
        case PlayheadCursorItem:
-       case EditCursorItem:
        case MarkerItem:
        case GainControlPointItem:
        case RedirectAutomationControlPointItem:
@@ -1653,13 +1750,13 @@ Editor::start_grab (GdkEvent* event, Gdk::Cursor *cursor)
        }
 
        if (cursor == 0) {
-               cursor = grabber_cursor;
+               cursor = which_grabber_cursor ();
        }
 
         // if dragging with button2, the motion is x constrained, with Alt-button2 it is y constrained
 
        if (event->button.button == 2) {
-               if (Keyboard::modifier_state_equals (event->button.state, Keyboard::Alt)) {
+               if (Keyboard::modifier_state_equals (event->button.state, Keyboard::SecondaryModifier)) {
                        drag_info.y_constrained = true;
                        drag_info.x_constrained = false;
                } else {
@@ -1716,7 +1813,7 @@ Editor::swap_grab (ArdourCanvas::Item* new_item, Gdk::Cursor* cursor, uint32_t t
        drag_info.item = new_item;
 
        if (cursor == 0) {
-               cursor = grabber_cursor;
+               cursor = which_grabber_cursor ();
        }
 
        drag_info.item->grab (Gdk::POINTER_MOTION_MASK|Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_MASK, *cursor, time);
@@ -1764,35 +1861,6 @@ Editor::end_grab (ArdourCanvas::Item* item, GdkEvent* event)
        return did_drag;
 }
 
-void
-Editor::set_edit_cursor (GdkEvent* event)
-{
-       nframes_t pointer_frame = event_frame (event);
-
-       if (!Keyboard::modifier_state_contains (event->button.state, Keyboard::snap_modifier())) {
-               if (snap_type != SnapToEditCursor) {
-                       snap_to (pointer_frame);
-               }
-       }
-
-       edit_cursor->set_position (pointer_frame);
-       edit_cursor_clock.set (pointer_frame);
-}
-
-void
-Editor::set_playhead_cursor (GdkEvent* event)
-{
-       nframes_t pointer_frame = event_frame (event);
-
-       if (!Keyboard::modifier_state_contains (event->button.state, Keyboard::snap_modifier())) {
-               snap_to (pointer_frame);
-       }
-
-       if (session) {
-               session->request_locate (pointer_frame, session->transport_rolling());
-       }
-}
-
 void
 Editor::start_fade_in_grab (ArdourCanvas::Item* item, GdkEvent* event)
 {
@@ -1892,6 +1960,7 @@ Editor::fade_in_drag_finished_callback (ArdourCanvas::Item* item, GdkEvent* even
                XMLNode &before = alist.get_state();
 
                tmp->audio_region()->set_fade_in_length (fade_length);
+               tmp->audio_region()->set_fade_in_active (true);
                
                XMLNode &after = alist.get_state();
                session->add_command(new MementoCommand<AutomationList>(alist, &before, &after));
@@ -2008,6 +2077,7 @@ Editor::fade_out_drag_finished_callback (ArdourCanvas::Item* item, GdkEvent* eve
                XMLNode &before = alist.get_state();
                
                tmp->audio_region()->set_fade_out_length (fade_length);
+               tmp->audio_region()->set_fade_out_active (true);
 
                XMLNode &after = alist.get_state();
                session->add_command(new MementoCommand<AutomationList>(alist, &before, &after));
@@ -2063,7 +2133,7 @@ Editor::cursor_drag_motion_callback (ArdourCanvas::Item* item, GdkEvent* event)
        }
        
        if (!Keyboard::modifier_state_contains (event->button.state, Keyboard::snap_modifier())) {
-               if (cursor != edit_cursor || snap_type != SnapToEditCursor) {
+               if (cursor == playhead_cursor) {
                        snap_to (adjusted_frame);
                }
        }
@@ -2072,11 +2142,7 @@ Editor::cursor_drag_motion_callback (ArdourCanvas::Item* item, GdkEvent* event)
 
        cursor->set_position (adjusted_frame);
        
-       if (cursor == edit_cursor) {
-               edit_cursor_clock.set (cursor->current_frame);
-       } else {
-               UpdateAllTransportClocks (cursor->current_frame);
-       }
+       UpdateAllTransportClocks (cursor->current_frame);
 
        show_verbose_time_cursor (cursor->current_frame, 10);
 
@@ -2097,9 +2163,6 @@ Editor::cursor_drag_finished_callback (ArdourCanvas::Item* item, GdkEvent* event
                if (session) {
                        session->request_locate (playhead_cursor->current_frame, drag_info.was_rolling);
                }
-       } else if (item == &edit_cursor->canvas_item) {
-               edit_cursor->set_position (edit_cursor->current_frame);
-               edit_cursor_clock.set (edit_cursor->current_frame);
        } 
 }
 
@@ -2141,14 +2204,16 @@ Editor::start_marker_grab (ArdourCanvas::Item* item, GdkEvent* event)
 
        start_grab (event);
 
+       _dragging_edit_point = true;
+
        drag_info.copied_location = new Location (*location);
        drag_info.pointer_frame_offset = drag_info.grab_frame - (is_start ? location->start() : location->end());       
 
        update_marker_drag_item (location);
 
        if (location->is_mark()) {
-               marker_drag_line->show();
-               marker_drag_line->raise_to_top();
+               // marker_drag_line->show();
+               // marker_drag_line->raise_to_top();
        } else {
                range_marker_drag_rect->show();
                range_marker_drag_rect->raise_to_top();
@@ -2159,6 +2224,23 @@ Editor::start_marker_grab (ArdourCanvas::Item* item, GdkEvent* event)
        } else {
                show_verbose_time_cursor (location->end(), 10);
        }
+
+       Selection::Operation op = Keyboard::selection_type (event->button.state);
+
+       switch (op) {
+       case Selection::Toggle:
+               selection->toggle (marker);
+               break;
+       case Selection::Set:
+               selection->set (marker);
+               break;
+       case Selection::Extend:
+               selection->add (marker);
+               break;
+       case Selection::Add:
+               selection->add (marker);
+               break;
+       }
 }
 
 void
@@ -2171,7 +2253,6 @@ Editor::marker_drag_motion_callback (ArdourCanvas::Item* item, GdkEvent* event)
        bool is_start;
        bool move_both = false;
 
-
        nframes_t newframe;
        if (drag_info.pointer_frame_offset <= drag_info.current_pointer_frame) {
                newframe = drag_info.current_pointer_frame - drag_info.pointer_frame_offset;
@@ -2191,7 +2272,13 @@ Editor::marker_drag_motion_callback (ArdourCanvas::Item* item, GdkEvent* event)
 
        /* call this to find out if its the start or end */
        
-       real_location = find_location_from_marker (marker, is_start);
+       if ((real_location = find_location_from_marker (marker, is_start)) == 0) {
+               return;
+       }
+
+       if (real_location->locked()) {
+               return;
+       }
 
        /* use the copy that we're "dragging" around */
        
@@ -2199,7 +2286,7 @@ Editor::marker_drag_motion_callback (ArdourCanvas::Item* item, GdkEvent* event)
 
        f_delta = copy_location->end() - copy_location->start();
        
-       if (Keyboard::modifier_state_equals (event->button.state, Keyboard::Control)) {
+       if (Keyboard::modifier_state_equals (event->button.state, Keyboard::PrimaryModifier)) {
                move_both = true;
        }
 
@@ -2246,7 +2333,8 @@ Editor::marker_drag_motion_callback (ArdourCanvas::Item* item, GdkEvent* event)
 
        LocationMarkers* lm = find_location_markers (real_location);
        lm->set_position (copy_location->start(), copy_location->end());
-       
+       edit_point_clock.set (copy_location->start());
+
        show_verbose_time_cursor (newframe, 10);
 }
 
@@ -2257,17 +2345,23 @@ Editor::marker_drag_finished_callback (ArdourCanvas::Item* item, GdkEvent* event
                marker_drag_motion_callback (item, event);
 
        }
+
+       _dragging_edit_point = false;
        
        Marker* marker = (Marker *) drag_info.data;
        bool is_start;
 
-
        begin_reversible_command ( _("move marker") );
        XMLNode &before = session->locations()->get_state();
        
        Location * location = find_location_from_marker (marker, is_start);
-       
+
        if (location) {
+
+               if (location->locked()) {
+                       return;
+               }
+
                if (location->is_mark()) {
                        location->set_start (drag_info.copied_location->start());
                } else {
@@ -2303,6 +2397,7 @@ Editor::start_meter_marker_grab (ArdourCanvas::Item* item, GdkEvent* event)
        }
 
        drag_info.item = item;
+       drag_info.copy = false;
        drag_info.data = marker;
        drag_info.motion_callback = &Editor::meter_marker_drag_motion_callback;
        drag_info.finished_callback = &Editor::meter_marker_drag_finished_callback;
@@ -2432,6 +2527,7 @@ Editor::start_tempo_marker_grab (ArdourCanvas::Item* item, GdkEvent* event)
        }
 
        drag_info.item = item;
+       drag_info.copy = false;
        drag_info.data = marker;
        drag_info.motion_callback = &Editor::tempo_marker_drag_motion_callback;
        drag_info.finished_callback = &Editor::tempo_marker_drag_finished_callback;
@@ -2617,7 +2713,7 @@ Editor::control_point_drag_motion_callback (ArdourCanvas::Item* item, GdkEvent*
        double dx = drag_info.current_pointer_x - drag_info.last_pointer_x;
        double dy = drag_info.current_pointer_y - drag_info.last_pointer_y;
 
-       if (event->button.state & Keyboard::Alt) {
+       if (event->button.state & Keyboard::SecondaryModifier) {
                dx *= 0.1;
                dy *= 0.1;
        }
@@ -2664,7 +2760,7 @@ Editor::control_point_drag_motion_callback (ArdourCanvas::Item* item, GdkEvent*
 
        bool push;
 
-       if (Keyboard::modifier_state_contains (event->button.state, Keyboard::Control)) {
+       if (Keyboard::modifier_state_contains (event->button.state, Keyboard::PrimaryModifier)) {
                push = true;
        } else {
                push = false;
@@ -2686,7 +2782,7 @@ Editor::control_point_drag_finished_callback (ArdourCanvas::Item* item, GdkEvent
 
                /* just a click */
                
-               if ((event->type == GDK_BUTTON_RELEASE) && (event->button.button == 1) && Keyboard::modifier_state_equals (event->button.state, Keyboard::Shift)) {
+               if ((event->type == GDK_BUTTON_RELEASE) && (event->button.button == 1) && Keyboard::modifier_state_equals (event->button.state, Keyboard::TertiaryModifier)) {
                        reset_point_selection ();
                }
 
@@ -2767,7 +2863,7 @@ Editor::line_drag_motion_callback (ArdourCanvas::Item* item, GdkEvent* event)
 
        double dy = drag_info.current_pointer_y - drag_info.last_pointer_y;
 
-       if (event->button.state & Keyboard::Alt) {
+       if (event->button.state & Keyboard::SecondaryModifier) {
                dy *= 0.1;
        }
 
@@ -2798,7 +2894,7 @@ Editor::line_drag_motion_callback (ArdourCanvas::Item* item, GdkEvent* event)
 
        bool push;
 
-       if (Keyboard::modifier_state_contains (event->button.state, Keyboard::Control)) {
+       if (Keyboard::modifier_state_contains (event->button.state, Keyboard::PrimaryModifier)) {
                push = false;
        } else {
                push = true;
@@ -2827,8 +2923,14 @@ Editor::start_region_grab (ArdourCanvas::Item* item, GdkEvent* event)
        drag_info.copy = false;
        drag_info.item = item;
        drag_info.data = clicked_regionview;
-       drag_info.motion_callback = &Editor::region_drag_motion_callback;
-       drag_info.finished_callback = &Editor::region_drag_finished_callback;
+
+       if (Config->get_edit_mode() == Splice) {
+               drag_info.motion_callback = &Editor::region_drag_splice_motion_callback;
+               drag_info.finished_callback = &Editor::region_drag_splice_finished_callback;
+       } else {
+               drag_info.motion_callback = &Editor::region_drag_motion_callback;
+               drag_info.finished_callback = &Editor::region_drag_finished_callback;
+       }
 
        start_grab (event);
 
@@ -2885,7 +2987,7 @@ Editor::start_region_copy_grab (ArdourCanvas::Item* item, GdkEvent* event)
 void
 Editor::start_region_brush_grab (ArdourCanvas::Item* item, GdkEvent* event)
 {
-       if (selection->regions.empty() || clicked_regionview == 0) {
+       if (selection->regions.empty() || clicked_regionview == 0 || Config->get_edit_mode() == Splice) {
                return;
        }
 
@@ -2916,18 +3018,8 @@ Editor::start_region_brush_grab (ArdourCanvas::Item* item, GdkEvent* event)
 }
 
 void
-Editor::region_drag_motion_callback (ArdourCanvas::Item* item, GdkEvent* event)
+Editor::possibly_copy_regions_during_grab (GdkEvent* event)
 {
-       double x_delta;
-       double y_delta = 0;
-       RegionView* rv = reinterpret_cast<RegionView*> (drag_info.data); 
-       nframes_t pending_region_position = 0;
-       int32_t pointer_y_span = 0, canvas_pointer_y_span = 0, original_pointer_order;
-       int32_t visible_y_high = 0, visible_y_low = 512;  //high meaning higher numbered.. not the height on the screen
-       bool clamp_y_axis = false;
-       vector<int32_t>  height_list(512) ;
-       vector<int32_t>::iterator j;
-
        if (drag_info.copy && drag_info.move_threshold_passed && drag_info.want_move_threshold) {
 
                drag_info.want_move_threshold = false; // don't copy again
@@ -2962,31 +3054,130 @@ Editor::region_drag_motion_callback (ArdourCanvas::Item* item, GdkEvent* event)
                /* reset selection to new regionviews */
                
                selection->set (new_regionviews);
-               
+
                /* reset drag_info data to reflect the fact that we are dragging the copies */
                
                drag_info.data = new_regionviews.front();
 
                swap_grab (new_regionviews.front()->get_canvas_group (), 0, event->motion.time);
        }
+}
 
+bool
+Editor::check_region_drag_possible (AudioTimeAxisView** tv)
+{
        /* Which trackview is this ? */
 
        TimeAxisView* tvp = trackview_by_y_position (drag_info.current_pointer_y);
-       AudioTimeAxisView* tv = dynamic_cast<AudioTimeAxisView*>(tvp);
+       (*tv) = dynamic_cast<AudioTimeAxisView*>(tvp);
 
        /* The region motion is only processed if the pointer is over
           an audio track.
        */
        
-       if (!tv || !tv->is_audio_track()) {
+       if (!(*tv) || !(*tv)->is_audio_track()) {
                /* To make sure we hide the verbose canvas cursor when the mouse is 
                   not held over and audiotrack. 
                */
                hide_verbose_canvas_cursor ();
-               return;
+               return false;
        }
        
+       return true;
+}
+
+struct RegionSelectionByPosition {
+    bool operator() (RegionView*a, RegionView* b) {
+           return a->region()->position () < b->region()->position();
+    }
+};
+
+void
+Editor::region_drag_splice_motion_callback (ArdourCanvas::Item* item, GdkEvent* event)
+{
+       AudioTimeAxisView* tv;
+       
+       if (!check_region_drag_possible (&tv)) {
+               return;
+       }
+
+       if (!drag_info.move_threshold_passed) {
+               return;
+       }
+
+       int dir;
+
+       if (drag_info.current_pointer_x - drag_info.grab_x > 0) {
+               dir = 1;
+       } else {
+               dir = -1;
+       }
+
+       RegionSelection copy (selection->regions);
+
+       RegionSelectionByPosition cmp;
+       copy.sort (cmp);
+
+       for (RegionSelection::iterator i = copy.begin(); i != copy.end(); ++i) {
+
+               AudioTimeAxisView* atv = dynamic_cast<AudioTimeAxisView*> (&(*i)->get_time_axis_view());
+
+               if (!atv) {
+                       continue;
+               }
+
+               boost::shared_ptr<Playlist> playlist;
+
+               if ((playlist = atv->playlist()) == 0) {
+                       continue;
+               }
+
+               if (!playlist->region_is_shuffle_constrained ((*i)->region())) {
+                       continue;
+               } 
+
+               if (dir > 0) {
+                       if (drag_info.current_pointer_frame < (*i)->region()->last_frame() + 1) {
+                               continue;
+                       }
+               } else {
+                       if (drag_info.current_pointer_frame > (*i)->region()->first_frame()) {
+                               continue;
+                       }
+               }
+
+               
+               playlist->shuffle ((*i)->region(), dir);
+
+               drag_info.grab_x = drag_info.current_pointer_x;
+       }
+}
+
+void
+Editor::region_drag_splice_finished_callback (ArdourCanvas::Item* item, GdkEvent* event)
+{
+}
+
+void
+Editor::region_drag_motion_callback (ArdourCanvas::Item* item, GdkEvent* event)
+{
+       double x_delta;
+       double y_delta = 0;
+       RegionView* rv = reinterpret_cast<RegionView*> (drag_info.data); 
+       nframes_t pending_region_position = 0;
+       int32_t pointer_y_span = 0, canvas_pointer_y_span = 0, original_pointer_order;
+       int32_t visible_y_high = 0, visible_y_low = 512;  //high meaning higher numbered.. not the height on the screen
+       bool clamp_y_axis = false;
+       vector<int32_t>  height_list(512) ;
+       vector<int32_t>::iterator j;
+       AudioTimeAxisView* tv;
+
+       possibly_copy_regions_during_grab (event);
+
+       if (!check_region_drag_possible (&tv)) {
+               return;
+       }
+
        original_pointer_order = drag_info.last_trackview->order;
                
        /************************************************************
@@ -2998,7 +3189,7 @@ Editor::region_drag_motion_callback (ArdourCanvas::Item* item, GdkEvent* event)
                pointer_y_span = 0;
                goto y_axis_done;
        }
-       
+
        if ((pointer_y_span = (drag_info.last_trackview->order - tv->order)) != 0) {
 
                int32_t children = 0, numtracks = 0;
@@ -3152,30 +3343,34 @@ Editor::region_drag_motion_callback (ArdourCanvas::Item* item, GdkEvent* event)
           the region would be if we moved it by that much.
        */
 
-       if (drag_info.move_threshold_passed) {
+       if ( drag_info.move_threshold_passed ) {
 
                if (drag_info.current_pointer_frame > drag_info.pointer_frame_offset) {
 
                        nframes_t sync_frame;
                        nframes_t sync_offset;
                        int32_t sync_dir;
-           
+
                        pending_region_position = drag_info.current_pointer_frame - drag_info.pointer_frame_offset;
 
                        sync_offset = rv->region()->sync_offset (sync_dir);
-                       sync_frame = rv->region()->adjust_to_sync (pending_region_position);
 
-                       /* we snap if the snap modifier is not enabled.
+                       /* we don't handle a sync point that lies before zero.
                         */
+                       if (sync_dir >= 0 || (sync_dir < 0 && pending_region_position >= sync_offset)) {
+                               sync_frame = pending_region_position + (sync_dir*sync_offset);
+
+                               /* we snap if the snap modifier is not enabled.
+                                */
            
-                       if (!Keyboard::modifier_state_contains (event->button.state, Keyboard::snap_modifier())) {
-                               snap_to (sync_frame);   
-                       }
+                               if (!Keyboard::modifier_state_contains (event->button.state, Keyboard::snap_modifier())) {
+                                       snap_to (sync_frame);   
+                               }
            
-                       if (sync_frame - sync_offset <= sync_frame) {
-                               pending_region_position = sync_frame - (sync_dir*sync_offset);
+                               pending_region_position = rv->region()->adjust_to_sync (sync_frame);
+
                        } else {
-                               pending_region_position = 0;
+                               pending_region_position = drag_info.last_frame_position;
                        }
            
                } else {
@@ -3188,9 +3383,10 @@ Editor::region_drag_motion_callback (ArdourCanvas::Item* item, GdkEvent* event)
          
                // printf ("3: pending_region_position= %lu    %lu\n", pending_region_position, drag_info.last_frame_position );
          
-               if (pending_region_position != drag_info.last_frame_position && !drag_info.x_constrained) {
+               bool x_move_allowed = ( !drag_info.x_constrained && (Config->get_edit_mode() != Lock)) || ( drag_info.x_constrained && (Config->get_edit_mode() == Lock)) ;
+               if ( pending_region_position != drag_info.last_frame_position && x_move_allowed ) {
 
-                       /* now compute the canvas unit distance we need to move the regiondrag_info.last_trackview->order
+                       /* now compute the canvas unit distance we need to move the regionview
                           to make it appear at the new location.
                        */
 
@@ -3211,7 +3407,7 @@ Editor::region_drag_motion_callback (ArdourCanvas::Item* item, GdkEvent* event)
 
                x_delta = 0;
        }
-
+       
        /*************************************************************
                         PREPARE TO MOVE
        ************************************************************/
@@ -3262,7 +3458,7 @@ Editor::region_drag_motion_callback (ArdourCanvas::Item* item, GdkEvent* event)
 
                pair<set<boost::shared_ptr<Playlist> >::iterator,bool> insert_result;
                const list<RegionView*>& layered_regions = selection->regions.by_layer();
-
+               
                for (list<RegionView*>::const_iterator i = layered_regions.begin(); i != layered_regions.end(); ++i) {
            
                        RegionView* rv = (*i);
@@ -3368,7 +3564,7 @@ Editor::region_drag_motion_callback (ArdourCanvas::Item* item, GdkEvent* event)
                                cursor_group->raise_to_top();
                                rv->fake_set_opaque (true);
                        }
-                       
+
                        if (drag_info.brushing) {
                                mouse_brush_insert_region (rv, pending_region_position);
                        } else {
@@ -3419,6 +3615,11 @@ Editor::region_drag_finished_callback (ArdourCanvas::Item* item, GdkEvent* event
 
        region_drag_motion_callback (item, event);
 
+       if (Config->get_edit_mode() == Splice && !pre_drag_region_selection.empty()) {
+               selection->set (pre_drag_region_selection);
+               pre_drag_region_selection.clear ();
+       }
+
        if (drag_info.brushing) {
                /* all changes were made during motion event handlers */
                
@@ -3514,7 +3715,7 @@ Editor::region_drag_finished_callback (ArdourCanvas::Item* item, GdkEvent* event
                                copies.push_back (rv);
                        }
 
-                       latest_regionview = 0;
+                       latest_regionviews.clear ();
                        
                        sigc::connection c = atv2->view()->RegionViewAdded.connect (mem_fun(*this, &Editor::collect_new_region_view));
                        session->add_command (new MementoCommand<Playlist>(*to_playlist, &to_playlist->get_state(), 0));        
@@ -3522,8 +3723,8 @@ Editor::region_drag_finished_callback (ArdourCanvas::Item* item, GdkEvent* event
                        session->add_command (new MementoCommand<Playlist>(*to_playlist, 0, &to_playlist->get_state()));        
                        c.disconnect ();
                                                              
-                       if (latest_regionview) {
-                               new_selection.push_back (latest_regionview);
+                       if (!latest_regionviews.empty()) {
+                               new_selection.insert (new_selection.end(), latest_regionviews.begin(), latest_regionviews.end());
                        }
 
                        /* OK, this is where it gets tricky. If the playlist was being used by >1 tracks, and the region
@@ -3618,14 +3819,15 @@ Editor::region_drag_finished_callback (ArdourCanvas::Item* item, GdkEvent* event
 
                                /* add it */
 
-                               latest_regionview = 0;
+                               latest_regionviews.clear ();
                                sigc::connection c = atv->view()->RegionViewAdded.connect (mem_fun(*this, &Editor::collect_new_region_view));
                                to_playlist->add_region (newregion, (nframes_t) (where * atv->get_diskstream()->speed()));
                                c.disconnect ();
-                               
-                               if (latest_regionview) {
-                                       atv->reveal_dependent_views (*latest_regionview);
-                                       selection->add (latest_regionview);
+
+                               if (!latest_regionviews.empty()) {
+                                       // XXX why just the first one ? we only expect one
+                                       atv->reveal_dependent_views (*latest_regionviews.front());
+                                       selection->add (latest_regionviews);
                                }
                                
                                /* if the original region was locked, we don't care for the new one */
@@ -3668,7 +3870,7 @@ Editor::region_view_item_click (AudioRegionView& rv, GdkEventButton* event)
           this is an alignment click (control used)
        */
        
-       if (Keyboard::modifier_state_contains (event->state, Keyboard::Control)) {
+       if (Keyboard::modifier_state_contains (event->state, Keyboard::PrimaryModifier)) {
                TimeAxisView* tv = &rv.get_time_axis_view();
                AudioTimeAxisView* atv = dynamic_cast<AudioTimeAxisView*>(tv);
                double speed = 1.0;
@@ -3680,11 +3882,11 @@ Editor::region_view_item_click (AudioRegionView& rv, GdkEventButton* event)
 
                if (where >= 0) {
 
-                       if (Keyboard::modifier_state_equals (event->state, Keyboard::ModifierMask (Keyboard::Control|Keyboard::Alt))) {
+                       if (Keyboard::modifier_state_equals (event->state, Keyboard::ModifierMask (Keyboard::PrimaryModifier|Keyboard::SecondaryModifier))) {
                                
                                align_region (rv.region(), SyncPoint, (nframes_t) (where * speed));
                                
-                       } else if (Keyboard::modifier_state_equals (event->state, Keyboard::ModifierMask (Keyboard::Control|Keyboard::Shift))) {
+                       } else if (Keyboard::modifier_state_equals (event->state, Keyboard::ModifierMask (Keyboard::PrimaryModifier|Keyboard::TertiaryModifier))) {
                                
                                align_region (rv.region(), End, (nframes_t) (where * speed));
                                
@@ -3823,7 +4025,7 @@ Editor::show_verbose_duration_cursor (nframes_t start, nframes_t end, double off
 void
 Editor::collect_new_region_view (RegionView* rv)
 {
-       latest_regionview = rv;
+       latest_regionviews.push_back (rv);
 }
 
 void
@@ -3853,7 +4055,7 @@ Editor::start_selection_grab (ArdourCanvas::Item* item, GdkEvent* event)
           set the regionview we want to then drag.
        */
        
-       latest_regionview = 0;
+       latest_regionviews.clear();
        sigc::connection c = clicked_audio_trackview->view()->RegionViewAdded.connect (mem_fun(*this, &Editor::collect_new_region_view));
        
        /* A selection grab currently creates two undo/redo operations, one for 
@@ -3873,24 +4075,25 @@ Editor::start_selection_grab (ArdourCanvas::Item* item, GdkEvent* event)
        
        c.disconnect ();
        
-       if (latest_regionview == 0) {
+       if (latest_regionviews.empty()) {
                /* something went wrong */
                return;
        }
 
        /* we need to deselect all other regionviews, and select this one
-          i'm ignoring undo stuff, because the region creation will take care of it */
-       selection->set (latest_regionview);
+          i'm ignoring undo stuff, because the region creation will take care of it 
+       */
+       selection->set (latest_regionviews);
        
-       drag_info.item = latest_regionview->get_canvas_group();
-       drag_info.data = latest_regionview;
+       drag_info.item = latest_regionviews.front()->get_canvas_group();
+       drag_info.data = latest_regionviews.front();
        drag_info.motion_callback = &Editor::region_drag_motion_callback;
        drag_info.finished_callback = &Editor::region_drag_finished_callback;
 
        start_grab (event);
        
        drag_info.last_trackview = clicked_trackview;
-       drag_info.last_frame_position = latest_regionview->region()->position();
+       drag_info.last_frame_position = latest_regionviews.front()->region()->position();
        drag_info.pointer_frame_offset = drag_info.grab_frame - drag_info.last_frame_position;
        
        show_verbose_time_cursor (drag_info.last_frame_position, 10);
@@ -3902,10 +4105,8 @@ Editor::cancel_selection ()
         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
                (*i)->hide_selection ();
        }
-       begin_reversible_command (_("cancel selection"));
        selection->clear ();
        clicked_selection = 0;
-       commit_reversible_command ();
 }      
 
 void
@@ -3926,7 +4127,7 @@ Editor::start_selection_op (ArdourCanvas::Item* item, GdkEvent* event, Selection
 
        switch (op) {
        case CreateSelection:
-               if (Keyboard::modifier_state_equals (event->button.state, Keyboard::Shift)) {
+               if (Keyboard::modifier_state_equals (event->button.state, Keyboard::TertiaryModifier)) {
                        drag_info.copy = true;
                } else {
                        drag_info.copy = false;
@@ -4141,7 +4342,7 @@ Editor::start_trim (ArdourCanvas::Item* item, GdkEvent* event)
 
        start_grab (event, trimmer_cursor);
        
-       if (Keyboard::modifier_state_equals (event->button.state, Keyboard::Control)) {
+       if (Keyboard::modifier_state_equals (event->button.state, Keyboard::PrimaryModifier)) {
                trim_op = ContentsTrim;
        } else {
                /* These will get overridden for a point trim.*/
@@ -4268,7 +4469,7 @@ Editor::trim_motion_callback (ArdourCanvas::Item* item, GdkEvent* event)
                {
                        bool swap_direction = false;
 
-                       if (Keyboard::modifier_state_equals (event->button.state, Keyboard::Control)) {
+                       if (Keyboard::modifier_state_equals (event->button.state, Keyboard::PrimaryModifier)) {
                                swap_direction = true;
                        }
                        
@@ -4409,7 +4610,7 @@ Editor::trim_finished_callback (ArdourCanvas::Item* item, GdkEvent* event)
        if (!drag_info.first_move) {
                trim_motion_callback (item, event);
                
-               if (!clicked_regionview->get_selected()) {
+               if (!selection->selected (clicked_regionview)) {
                        thaw_region_after_trim (*clicked_regionview);           
                } else {
                        
@@ -4451,7 +4652,7 @@ Editor::point_trim (GdkEvent* event)
                trim_op = StartTrim;
                begin_reversible_command (_("Start point trim"));
 
-               if (rv->get_selected()) {
+               if (selection->selected (rv)) {
 
                        for (list<RegionView*>::const_iterator i = selection->regions.by_layer().begin();
                             i != selection->regions.by_layer().end(); ++i)
@@ -4483,7 +4684,7 @@ Editor::point_trim (GdkEvent* event)
                trim_op = EndTrim;
                begin_reversible_command (_("End point trim"));
 
-               if (rv->get_selected()) {
+               if (selection->selected (rv)) {
                        
                        for (list<RegionView*>::const_iterator i = selection->regions.by_layer().begin(); i != selection->regions.by_layer().end(); ++i)
                        {
@@ -4569,8 +4770,9 @@ Editor::start_range_markerbar_op (ArdourCanvas::Item* item, GdkEvent* event, Ran
        switch (op) {
        case CreateRangeMarker:
        case CreateTransportMarker:
-               
-               if (Keyboard::modifier_state_equals (event->button.state, Keyboard::Shift)) {
+       case CreateCDMarker:
+       
+               if (Keyboard::modifier_state_equals (event->button.state, Keyboard::TertiaryModifier)) {
                        drag_info.copy = true;
                } else {
                        drag_info.copy = false;
@@ -4588,7 +4790,23 @@ Editor::drag_range_markerbar_op (ArdourCanvas::Item* item, GdkEvent* event)
 {
        nframes_t start = 0;
        nframes_t end = 0;
-       ArdourCanvas::SimpleRect *crect = (range_marker_op == CreateRangeMarker) ? range_bar_drag_rect: transport_bar_drag_rect;
+       ArdourCanvas::SimpleRect *crect;
+
+       switch (range_marker_op) {
+       case CreateRangeMarker:
+               crect = range_bar_drag_rect;
+               break;
+       case CreateTransportMarker:
+               crect = transport_bar_drag_rect;
+               break;
+       case CreateCDMarker:
+               crect = cd_marker_bar_drag_rect;
+               break;
+       default:
+               cerr << "Error: unknown range marker op passed to Editor::drag_range_markerbar_op ()" << endl;
+               return;
+               break;
+       }
        
        if (!Keyboard::modifier_state_contains (event->button.state, Keyboard::snap_modifier())) {
                snap_to (drag_info.current_pointer_frame);
@@ -4603,6 +4821,7 @@ Editor::drag_range_markerbar_op (ArdourCanvas::Item* item, GdkEvent* event)
        switch (range_marker_op) {
        case CreateRangeMarker:
        case CreateTransportMarker:
+       case CreateCDMarker:
                if (drag_info.first_move) {
                        snap_to (drag_info.grab_frame);
                }
@@ -4660,23 +4879,32 @@ Editor::end_range_markerbar_op (ArdourCanvas::Item* item, GdkEvent* event)
 {
        Location * newloc = 0;
        string rangename;
+       int flags;
        
        if (!drag_info.first_move) {
                drag_range_markerbar_op (item, event);
 
                switch (range_marker_op) {
                case CreateRangeMarker:
+               case CreateCDMarker:
                    {
                        begin_reversible_command (_("new range marker"));
                         XMLNode &before = session->locations()->get_state();
                        session->locations()->next_available_name(rangename,"unnamed");
-                       newloc = new Location(temp_location->start(), temp_location->end(), rangename, Location::IsRangeMarker);
+                       if (range_marker_op == CreateCDMarker) {
+                               flags =  Location::IsRangeMarker|Location::IsCDMarker;
+                               cd_marker_bar_drag_rect->hide();
+                       }
+                       else {
+                               flags =  Location::IsRangeMarker;
+                               range_bar_drag_rect->hide();
+                       }
+                       newloc = new Location(temp_location->start(), temp_location->end(), rangename, (Location::Flags) flags);
                        session->locations()->add (newloc, true);
                         XMLNode &after = session->locations()->get_state();
                        session->add_command(new MementoCommand<Locations>(*(session->locations()), &before, &after));
                        commit_reversible_command ();
                        
-                       range_bar_drag_rect->hide();
                        range_marker_drag_rect->hide();
                        break;
                    }
@@ -4690,7 +4918,7 @@ Editor::end_range_markerbar_op (ArdourCanvas::Item* item, GdkEvent* event)
        } else {
                /* just a click, no pointer movement. remember that context menu stuff was handled elsewhere */
 
-               if (Keyboard::no_modifier_keys_pressed (&event->button)) {
+               if (Keyboard::no_modifier_keys_pressed (&event->button) && range_marker_op != CreateCDMarker) {
 
                        nframes_t start;
                        nframes_t end;
@@ -4842,7 +5070,7 @@ Editor::drag_rubberband_select (ArdourCanvas::Item* item, GdkEvent* event)
                return;
        }
 
-       if (!Keyboard::modifier_state_contains (event->button.state, Keyboard::snap_modifier())) {
+       if (!Keyboard::modifier_state_contains (event->button.state, Keyboard::snap_modifier()) && Config->get_rubberbanding_snaps_to_grid()) {
                if (drag_info.first_move) {
                        snap_to (drag_info.grab_frame);
                } 
@@ -5006,11 +5234,20 @@ Editor::end_time_fx (ArdourCanvas::Item* item, GdkEvent* event)
        }
        
        nframes_t newlen = drag_info.last_pointer_frame - clicked_regionview->region()->position();
+#ifdef USE_RUBBERBAND
+       float percentage = (float) ((double) newlen / (double) clicked_regionview->region()->length());
+#else
        float percentage = (float) ((double) newlen - (double) clicked_regionview->region()->length()) / ((double) newlen) * 100.0f;
-       
+#endif 
+
        begin_reversible_command (_("timestretch"));
 
-       if (run_timestretch (selection->regions, percentage) == 0) {
+       // XXX how do timeFX on multiple regions ?
+
+       RegionSelection rs;
+       rs.add (clicked_regionview);
+
+       if (time_stretch (rs, percentage) == 0) {
                session->commit_reversible_command ();
        }
 }
@@ -5032,9 +5269,7 @@ Editor::mouse_brush_insert_region (RegionView* rv, nframes_t pos)
        }
 
        switch (snap_type) {
-       case SnapToFrame:
        case SnapToMark:
-       case SnapToEditCursor:
                return;
 
        default: