ensure that most recently stripable is visible in editor
[ardour.git] / gtk2_ardour / editor_ops.cc
index f094c793ace62a0033a53b8fee782f7ac62e427a..4df88b90252a7200014cffa138a0f85d4729bf53 100644 (file)
@@ -82,6 +82,7 @@
 #include "item_counts.h"
 #include "keyboard.h"
 #include "midi_region_view.h"
+#include "mixer_ui.h"
 #include "mixer_strip.h"
 #include "mouse_cursors.h"
 #include "normalize_dialog.h"
 #include "transform_dialog.h"
 #include "ui_config.h"
 
-#include "i18n.h"
+#include "pbd/i18n.h"
 
 using namespace std;
 using namespace ARDOUR;
@@ -119,6 +120,13 @@ using Gtkmm2ext::Keyboard;
 void
 Editor::undo (uint32_t n)
 {
+       if (_session && _session->actively_recording()) {
+               /* no undo allowed while recording. Session will check also,
+                  but we don't even want to get to that.
+               */
+               return;
+       }
+
        if (_drags->active ()) {
                _drags->abort ();
        }
@@ -136,12 +144,19 @@ Editor::undo (uint32_t n)
 void
 Editor::redo (uint32_t n)
 {
+       if (_session && _session->actively_recording()) {
+               /* no redo allowed while recording. Session will check also,
+                  but we don't even want to get to that.
+               */
+               return;
+       }
+
        if (_drags->active ()) {
                _drags->abort ();
        }
 
        if (_session) {
-               _session->redo (n);
+       _session->redo (n);
                if (_session->redo_depth() == 0) {
                        redo_action->set_sensitive(false);
                }
@@ -151,7 +166,8 @@ Editor::redo (uint32_t n)
 }
 
 void
-Editor::split_regions_at (framepos_t where, RegionSelection& regions)
+Editor::split_regions_at (framepos_t where, RegionSelection& regions, const int32_t sub_num,
+                          bool snap_frame)
 {
        bool frozen = false;
 
@@ -177,10 +193,14 @@ Editor::split_regions_at (framepos_t where, RegionSelection& regions)
                case SnapToRegionEnd:
                        break;
                default:
-                       snap_to (where);
+                       if (snap_frame) {
+                               snap_to (where);
+                       }
                }
        } else {
-               snap_to (where);
+               if (snap_frame) {
+                       snap_to (where);
+               }
 
                frozen = true;
                EditorFreeze(); /* Emit Signal */
@@ -226,7 +246,7 @@ Editor::split_regions_at (framepos_t where, RegionSelection& regions)
 
                if (pl) {
                        pl->clear_changes ();
-                       pl->split_region ((*a)->region(), where);
+                       pl->split_region ((*a)->region(), where, sub_num);
                        _session->add_command (new StatefulDiffCommand (pl));
                }
 
@@ -258,7 +278,6 @@ Editor::split_regions_at (framepos_t where, RegionSelection& regions)
        if (working_on_selection) {
                // IFF we were working on selected regions, try to reinstate the other region selections that existed before the freeze/thaw.
 
-               _ignore_follow_edits = true;  // a split will change the region selection in mysterious ways;  it's not practical or wanted to follow this edit
                RegionSelectionAfterSplit rsas = Config->get_region_selection_after_split();
                /* There are three classes of regions that we might want selected after
                   splitting selected regions:
@@ -285,13 +304,10 @@ Editor::split_regions_at (framepos_t where, RegionSelection& regions)
                                }
                        }
                }
-               _ignore_follow_edits = false;
        } else {
-               _ignore_follow_edits = true;
                if( working_on_selection ) {
                        selection->add (latest_regionviews);  //these are the new regions created after the split
                }
-               _ignore_follow_edits = false;
        }
 
        commit_reversible_command ();
@@ -404,6 +420,7 @@ Editor::nudge_forward (bool next, bool force_playhead)
 
                bool is_start;
                bool in_command = false;
+               const int32_t divisions = get_grid_music_divisions (0);
 
                for (MarkerSelection::iterator i = selection->markers.begin(); i != selection->markers.end(); ++i) {
 
@@ -419,9 +436,9 @@ Editor::nudge_forward (bool next, bool force_playhead)
                                                distance = next_distance;
                                        }
                                        if (max_framepos - distance > loc->start() + loc->length()) {
-                                               loc->set_start (loc->start() + distance);
+                                               loc->set_start (loc->start() + distance, false, true, divisions);
                                        } else {
-                                               loc->set_start (max_framepos - loc->length());
+                                               loc->set_start (max_framepos - loc->length(), false, true, divisions);
                                        }
                                } else {
                                        distance = get_nudge_distance (loc->end(), next_distance);
@@ -429,9 +446,12 @@ Editor::nudge_forward (bool next, bool force_playhead)
                                                distance = next_distance;
                                        }
                                        if (max_framepos - distance > loc->end()) {
-                                               loc->set_end (loc->end() + distance);
+                                               loc->set_end (loc->end() + distance, false, true, divisions);
                                        } else {
-                                               loc->set_end (max_framepos);
+                                               loc->set_end (max_framepos, false, true, divisions);
+                                       }
+                                       if (loc->is_session_range()) {
+                                               _session->set_end_is_free (false);
                                        }
                                }
                                if (!in_command) {
@@ -508,9 +528,9 @@ Editor::nudge_backward (bool next, bool force_playhead)
                                                distance = next_distance;
                                        }
                                        if (distance < loc->start()) {
-                                               loc->set_start (loc->start() - distance);
+                                               loc->set_start (loc->start() - distance, false, true, get_grid_music_divisions(0));
                                        } else {
-                                               loc->set_start (0);
+                                               loc->set_start (0, false, true, get_grid_music_divisions(0));
                                        }
                                } else {
                                        distance = get_nudge_distance (loc->end(), next_distance);
@@ -520,9 +540,12 @@ Editor::nudge_backward (bool next, bool force_playhead)
                                        }
 
                                        if (distance < loc->end() - loc->length()) {
-                                               loc->set_end (loc->end() - distance);
+                                               loc->set_end (loc->end() - distance, false, true, get_grid_music_divisions(0));
                                        } else {
-                                               loc->set_end (loc->length());
+                                               loc->set_end (loc->length(), false, true, get_grid_music_divisions(0));
+                                       }
+                                       if (loc->is_session_range()) {
+                                               _session->set_end_is_free (false);
                                        }
                                }
                                if (!in_command) {
@@ -1133,7 +1156,7 @@ Editor::selected_marker_to_region_boundary (bool with_selection, int32_t dir)
                return;
        }
 
-       loc->move_to (target);
+       loc->move_to (target, 0);
 }
 
 void
@@ -1210,7 +1233,7 @@ Editor::selected_marker_to_region_point (RegionPoint point, int32_t dir)
 
        pos = track_frame_to_session_frame(pos, speed);
 
-       loc->move_to (pos);
+       loc->move_to (pos, 0);
 }
 
 void
@@ -1257,7 +1280,7 @@ Editor::selected_marker_to_selection_start ()
                return;
        }
 
-       loc->move_to (pos);
+       loc->move_to (pos, 0);
 }
 
 void
@@ -1292,7 +1315,7 @@ Editor::selected_marker_to_selection_end ()
                return;
        }
 
-       loc->move_to (pos);
+       loc->move_to (pos, 0);
 }
 
 void
@@ -1344,6 +1367,7 @@ Editor::cursor_align (bool playhead_to_edit)
                _session->request_locate (selection->markers.front()->position(), _session->transport_rolling());
 
        } else {
+               const int32_t divisions = get_grid_music_divisions (0);
                /* move selected markers to playhead */
 
                for (MarkerSelection::iterator i = selection->markers.begin(); i != selection->markers.end(); ++i) {
@@ -1352,10 +1376,10 @@ Editor::cursor_align (bool playhead_to_edit)
                        Location* loc = find_location_from_marker (*i, ignored);
 
                        if (loc->is_mark()) {
-                               loc->set_start (playhead_cursor->current_frame ());
+                               loc->set_start (playhead_cursor->current_frame (), false, true, divisions);
                        } else {
                                loc->set (playhead_cursor->current_frame (),
-                                         playhead_cursor->current_frame () + loc->length());
+                                         playhead_cursor->current_frame () + loc->length(), true, divisions);
                        }
                }
        }
@@ -1689,25 +1713,43 @@ Editor::tav_zoom_smooth (bool coarser, bool force_all)
 }
 
 void
-Editor::temporal_zoom_step_mouse_focus (bool coarser)
+Editor::temporal_zoom_step_mouse_focus_scale (bool zoom_out, double scale)
 {
        Editing::ZoomFocus temp_focus = zoom_focus;
        zoom_focus = Editing::ZoomFocusMouse;
-       temporal_zoom_step (coarser);
+       temporal_zoom_step_scale (zoom_out, scale);
        zoom_focus = temp_focus;
 }
 
 void
-Editor::temporal_zoom_step (bool coarser)
+Editor::temporal_zoom_step_mouse_focus (bool zoom_out)
 {
-       ENSURE_GUI_THREAD (*this, &Editor::temporal_zoom_step, coarser)
+       temporal_zoom_step_mouse_focus_scale (zoom_out, 2.0);
+}
+
+void
+Editor::temporal_zoom_step (bool zoom_out)
+{
+       temporal_zoom_step_scale (zoom_out, 2.0);
+}
+
+void
+Editor::temporal_zoom_step_scale (bool zoom_out, double scale)
+{
+       ENSURE_GUI_THREAD (*this, &Editor::temporal_zoom_step, zoom_out, scale)
 
        framecnt_t nspp = samples_per_pixel;
 
-       if (coarser) {
-               nspp *= 2;
+       if (zoom_out) {
+               nspp *= scale;
+               if (nspp == samples_per_pixel) {
+                       nspp *= 2.0;
+               }
        } else {
-               nspp /= 2;
+               nspp /= scale;
+               if (nspp == samples_per_pixel) {
+                       nspp /= 2.0;
+               }
        }
 
        temporal_zoom (nspp);
@@ -1729,6 +1771,7 @@ Editor::temporal_zoom (framecnt_t fpp)
        framepos_t leftmost_after_zoom = 0;
        framepos_t where;
        bool in_track_canvas;
+       bool use_mouse_frame = true;
        framecnt_t nfpp;
        double l;
 
@@ -1789,18 +1832,13 @@ Editor::temporal_zoom (framecnt_t fpp)
        case ZoomFocusMouse:
                /* try to keep the mouse over the same point in the display */
 
-               if (!mouse_frame (where, in_track_canvas)) {
-                       /* use playhead instead */
-                       where = playhead_cursor->current_frame ();
-
-                       if (where < half_page_size) {
-                               leftmost_after_zoom = 0;
-                       } else {
-                               leftmost_after_zoom = where - half_page_size;
-                       }
-
-               } else {
+               if (_drags->active()) {
+                       where = _drags->current_pointer_frame ();
+               } else if (!mouse_frame (where, in_track_canvas)) {
+                       use_mouse_frame = false;
+               }
 
+               if (use_mouse_frame) {
                        l = - ((new_page_size * ((where - current_leftmost)/(double)current_page)) - where);
 
                        if (l < 0) {
@@ -1810,8 +1848,16 @@ Editor::temporal_zoom (framecnt_t fpp)
                        } else {
                                leftmost_after_zoom = (framepos_t) l;
                        }
-               }
+               } else {
+                       /* use playhead instead */
+                       where = playhead_cursor->current_frame ();
 
+                       if (where < half_page_size) {
+                               leftmost_after_zoom = 0;
+                       } else {
+                               leftmost_after_zoom = where - half_page_size;
+                       }
+               }
                break;
 
        case ZoomFocusEdit:
@@ -1874,53 +1920,6 @@ Editor::calc_extra_zoom_edges(framepos_t &start, framepos_t &end)
        }
 }
 
-void
-Editor::temporal_zoom_region (bool both_axes)
-{
-       framepos_t start = max_framepos;
-       framepos_t end = 0;
-       set<TimeAxisView*> tracks;
-
-       if ( !get_selection_extents(start, end) )
-               return;
-
-       calc_extra_zoom_edges (start, end);
-
-       /* if we're zooming on both axes we need to save track heights etc.
-        */
-
-       undo_visual_stack.push_back (current_visual_state (both_axes));
-
-       PBD::Unwinder<bool> nsv (no_save_visual, true);
-
-       temporal_zoom_by_frame (start, end);
-
-       if (both_axes) {
-               uint32_t per_track_height = (uint32_t) floor ((_visible_canvas_height - 10.0) / tracks.size());
-
-               /* set visible track heights appropriately */
-
-               for (set<TimeAxisView*>::iterator t = tracks.begin(); t != tracks.end(); ++t) {
-                       (*t)->set_height (per_track_height);
-               }
-
-               /* hide irrelevant tracks */
-
-               DisplaySuspender ds;
-
-               for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
-                       if (find (tracks.begin(), tracks.end(), (*i)) == tracks.end()) {
-                               hide_track_in_display (*i);
-                       }
-               }
-
-               vertical_adjustment.set_value (0.0);
-       }
-
-       redo_visual_stack.push_back (current_visual_state (both_axes));
-}
-
-
 bool
 Editor::get_selection_extents (framepos_t &start, framepos_t &end) const
 {
@@ -1962,7 +1961,7 @@ Editor::get_selection_extents (framepos_t &start, framepos_t &end) const
 
 
 void
-Editor::temporal_zoom_selection (bool both_axes)
+Editor::temporal_zoom_selection (Editing::ZoomAxis axes)
 {
        if (!selection) return;
 
@@ -1970,23 +1969,18 @@ Editor::temporal_zoom_selection (bool both_axes)
 
        //ToDo:  if control points are selected, zoom to that
 
-       //if region(s) are selected, zoom to that
-       if ( !selection->regions.empty() )
-               temporal_zoom_region (both_axes);
-
-       //if a range is selected, zoom to that
-       if (!selection->time.empty()) {
+       if (axes == Horizontal || axes == Both) {
 
-               framepos_t start,  end;
+               framepos_t start, end;
                if (get_selection_extents (start, end)) {
-                       calc_extra_zoom_edges(start, end);
+                       calc_extra_zoom_edges (start, end);
                        temporal_zoom_by_frame (start, end);
                }
-
-               if (both_axes)
-                       fit_selection();
        }
 
+       if (axes == Vertical || axes == Both) {
+               fit_selection ();
+       }
 }
 
 void
@@ -2153,7 +2147,7 @@ Editor::add_location_from_selection ()
        framepos_t end = selection->time[clicked_selection].end;
 
        _session->locations()->next_available_name(rangename,"selection");
-       Location *location = new Location (*_session, start, end, rangename, Location::IsRangeMarker);
+       Location *location = new Location (*_session, start, end, rangename, Location::IsRangeMarker, get_grid_music_divisions(0));
 
        begin_reversible_command (_("add marker"));
 
@@ -2176,7 +2170,7 @@ Editor::add_location_mark (framepos_t where)
        if (!choose_new_marker_name(markername)) {
                return;
        }
-       Location *location = new Location (*_session, where, where, markername, Location::IsMark);
+       Location *location = new Location (*_session, where, where, markername, Location::IsMark, get_grid_music_divisions (0));
        begin_reversible_command (_("add marker"));
 
        XMLNode &before = _session->locations()->get_state();
@@ -2233,6 +2227,18 @@ Editor::set_session_end_from_playhead ()
 
                commit_reversible_command ();
        }
+
+       _session->set_end_is_free (false);
+}
+
+
+void
+Editor::toggle_location_at_playhead_cursor ()
+{
+       if (!do_remove_location_at_playhead_cursor())
+       {
+               add_location_from_playhead_cursor();
+       }
 }
 
 void
@@ -2241,13 +2247,13 @@ Editor::add_location_from_playhead_cursor ()
        add_location_mark (_session->audible_frame());
 }
 
-void
-Editor::remove_location_at_playhead_cursor ()
+bool
+Editor::do_remove_location_at_playhead_cursor ()
 {
+       bool removed = false;
        if (_session) {
                //set up for undo
                XMLNode &before = _session->locations()->get_state();
-               bool removed = false;
 
                //find location(s) at this time
                Locations::LocationList locs;
@@ -2267,6 +2273,13 @@ Editor::remove_location_at_playhead_cursor ()
                        commit_reversible_command ();
                }
        }
+       return removed;
+}
+
+void
+Editor::remove_location_at_playhead_cursor ()
+{
+       do_remove_location_at_playhead_cursor ();
 }
 
 /** Add a range marker around each selected region */
@@ -2286,7 +2299,7 @@ Editor::add_locations_from_region ()
 
                boost::shared_ptr<Region> region = (*i)->region ();
 
-               Location *location = new Location (*_session, region->position(), region->last_frame(), region->name(), Location::IsRangeMarker);
+               Location *location = new Location (*_session, region->position(), region->last_frame(), region->name(), Location::IsRangeMarker, 0);
 
                _session->locations()->add (location, true);
                commit = true;
@@ -2327,7 +2340,7 @@ Editor::add_location_from_region ()
        }
 
        // single range spanning all selected
-       Location *location = new Location (*_session, selection->regions.start(), selection->regions.end_frame(), markername, Location::IsRangeMarker);
+       Location *location = new Location (*_session, selection->regions.start(), selection->regions.end_frame(), markername, Location::IsRangeMarker, 0);
        _session->locations()->add (location, true);
 
        begin_reversible_command (_("add marker"));
@@ -2363,6 +2376,14 @@ Editor::jump_backward_to_mark ()
 
        framepos_t pos = _session->locations()->first_mark_before (playhead_cursor->current_frame());
 
+       //handle the case where we are rolling, and we're less than one-half second past the mark, we want to go to the prior mark...
+       if ( _session->transport_rolling() ) {
+               if ( (playhead_cursor->current_frame() - pos) < _session->frame_rate()/2 ) {
+                       framepos_t prior = _session->locations()->first_mark_before ( pos );
+                       pos = prior;
+               }
+       }
+
        if (pos < 0) {
                return;
        }
@@ -2382,7 +2403,7 @@ Editor::set_mark ()
                return;
        }
 
-       _session->locations()->add (new Location (*_session, pos, 0, markername, Location::IsMark), true);
+       _session->locations()->add (new Location (*_session, pos, 0, markername, Location::IsMark, 0), true);
 }
 
 void
@@ -2574,7 +2595,7 @@ Editor::play_from_edit_point_and_return ()
 void
 Editor::play_selection ()
 {
-       framepos_t start, end;
+       framepos_t start, end;
        if (!get_selection_extents ( start, end))
                return;
 
@@ -2585,24 +2606,19 @@ Editor::play_selection ()
        _session->request_play_range (&lar, true);
 }
 
-framepos_t
-Editor::get_preroll ()
-{
-       return Config->get_preroll_seconds() * _session->frame_rate();
-}
-
 
 void
-Editor::maybe_locate_with_edit_preroll ( framepos_t location )
+Editor::maybe_locate_with_edit_preroll (framepos_t location)
 {
-       if ( _session->transport_rolling() || !UIConfiguration::instance().get_follow_edits() || _ignore_follow_edits || _session->config.get_external_sync() )
+       if ( _session->transport_rolling() || !UIConfiguration::instance().get_follow_edits() || _session->config.get_external_sync() )
                return;
 
-       location -= get_preroll();
+       location -= _session->preroll_samples (location);
 
        //don't try to locate before the beginning of time
-       if ( location < 0 )
+       if (location < 0) {
                location = 0;
+       }
 
        //if follow_playhead is on, keep the playhead on the screen
        if ( _follow_playhead )
@@ -2615,15 +2631,15 @@ Editor::maybe_locate_with_edit_preroll ( framepos_t location )
 void
 Editor::play_with_preroll ()
 {
-       {
-               framepos_t preroll = get_preroll();
-
-               framepos_t start, end;
-               if (!get_selection_extents ( start, end))
-                       return;
+       framepos_t start, end;
+       if ( UIConfiguration::instance().get_follow_edits() && get_selection_extents ( start, end) ) {
+               const framepos_t preroll = _session->preroll_samples (start);
 
-               if (start > preroll)
+               framepos_t ret = start;
+               
+               if (start > preroll) {
                        start = start - preroll;
+               }
 
                end = end + preroll;  //"post-roll"
 
@@ -2632,9 +2648,30 @@ Editor::play_with_preroll ()
                lar.push_back (ar);
 
                _session->request_play_range (&lar, true);
+               _session->set_requested_return_frame (ret);  //force auto-return to return to range start, without the preroll
+       } else {
+               framepos_t ph = playhead_cursor->current_frame ();
+               const framepos_t preroll = _session->preroll_samples (ph);
+               framepos_t start;
+               if (ph > preroll) {
+                       start = ph - preroll; 
+               } else {
+                       start = 0;
+               }
+               _session->request_locate (start, true);
+               _session->set_requested_return_frame (ph);  //force auto-return to return to playhead location, without the preroll
        }
 }
 
+void
+Editor::rec_with_preroll ()
+{
+       framepos_t ph = playhead_cursor->current_frame ();
+       framepos_t preroll = _session->preroll_samples (ph);
+       _session->request_preroll_record_trim (ph, preroll);
+}
+
+
 void
 Editor::play_location (Location& location)
 {
@@ -3043,62 +3080,63 @@ Editor::separate_regions_between (const TimeSelection& ts)
 
        for (TrackSelection::iterator i = tmptracks.begin(); i != tmptracks.end(); ++i) {
 
-               RouteTimeAxisView* rtv;
+               RouteTimeAxisView* rtv = dynamic_cast<RouteTimeAxisView*> ((*i));
 
-               if ((rtv = dynamic_cast<RouteTimeAxisView*> ((*i))) != 0) {
+               if (!rtv) {
+                       continue;
+               }
 
-                       if (rtv->is_track()) {
+               if (!rtv->is_track()) {
+                       continue;
+               }
 
-                               /* no edits to destructive tracks */
+               /* no edits to destructive tracks */
 
-                               if (rtv->track()->destructive()) {
-                                       continue;
-                               }
-
-                               if ((playlist = rtv->playlist()) != 0) {
+               if (rtv->track()->destructive()) {
+                       continue;
+               }
 
-                                       playlist->clear_changes ();
+               if ((playlist = rtv->playlist()) != 0) {
 
-                                       /* XXX need to consider musical time selections here at some point */
+                       playlist->clear_changes ();
 
-                                       double speed = rtv->track()->speed();
+                       /* XXX need to consider musical time selections here at some point */
 
+                       double speed = rtv->track()->speed();
 
-                                       for (list<AudioRange>::const_iterator t = ts.begin(); t != ts.end(); ++t) {
+                       for (list<AudioRange>::const_iterator t = ts.begin(); t != ts.end(); ++t) {
 
-                                               sigc::connection c = rtv->view()->RegionViewAdded.connect (
-                                                               sigc::mem_fun(*this, &Editor::collect_new_region_view));
+                               sigc::connection c = rtv->view()->RegionViewAdded.connect (
+                                       sigc::mem_fun(*this, &Editor::collect_new_region_view));
 
-                                               latest_regionviews.clear ();
+                               latest_regionviews.clear ();
 
-                                               playlist->partition ((framepos_t)((*t).start * speed),
-                                                               (framepos_t)((*t).end * speed), false);
+                               playlist->partition ((framepos_t)((*t).start * speed),
+                                                    (framepos_t)((*t).end * speed), false);
 
-                                               c.disconnect ();
+                               c.disconnect ();
 
-                                               if (!latest_regionviews.empty()) {
+                               if (!latest_regionviews.empty()) {
 
-                                                       rtv->view()->foreach_regionview (sigc::bind (
-                                                                               sigc::ptr_fun (add_if_covered),
-                                                                               &(*t), &new_selection));
+                                       rtv->view()->foreach_regionview (sigc::bind (
+                                                                                sigc::ptr_fun (add_if_covered),
+                                                                                &(*t), &new_selection));
 
-                                                       if (!in_command) {
-                                                               begin_reversible_command (_("separate"));
-                                                               in_command = true;
-                                                       }
+                                       if (!in_command) {
+                                               begin_reversible_command (_("separate"));
+                                               in_command = true;
+                                       }
 
-                                                       /* pick up changes to existing regions */
+                                       /* pick up changes to existing regions */
 
-                                                       vector<Command*> cmds;
-                                                       playlist->rdiff (cmds);
-                                                       _session->add_commands (cmds);
+                                       vector<Command*> cmds;
+                                       playlist->rdiff (cmds);
+                                       _session->add_commands (cmds);
 
-                                                       /* pick up changes to the playlist itself (adds/removes)
-                                                        */
+                                       /* pick up changes to the playlist itself (adds/removes)
+                                        */
 
-                                                       _session->add_command(new StatefulDiffCommand (playlist));
-                                               }
-                                       }
+                                       _session->add_command(new StatefulDiffCommand (playlist));
                                }
                        }
                }
@@ -3218,7 +3256,7 @@ Editor::separate_under_selected_regions ()
 
                if (!playlist) {
                        // is this check necessary?
-                       continue;
+                       continue;
                }
 
                vector<PlaylistState>::iterator i;
@@ -3293,17 +3331,18 @@ Editor::crop_region_to (framepos_t start, framepos_t end)
 
        for (TrackSelection::iterator i = ts.begin(); i != ts.end(); ++i) {
 
-               RouteTimeAxisView* rtv;
+               RouteTimeAxisView* rtv = dynamic_cast<RouteTimeAxisView*> ((*i));
 
-               if ((rtv = dynamic_cast<RouteTimeAxisView*> ((*i))) != 0) {
+               if (!rtv) {
+                       continue;
+               }
 
-                       boost::shared_ptr<Track> t = rtv->track();
+               boost::shared_ptr<Track> t = rtv->track();
 
-                       if (t != 0 && ! t->destructive()) {
+               if (t != 0 && ! t->destructive()) {
 
-                               if ((playlist = rtv->playlist()) != 0) {
-                                       playlists.push_back (playlist);
-                               }
+                       if ((playlist = rtv->playlist()) != 0) {
+                               playlists.push_back (playlist);
                        }
                }
        }
@@ -3392,7 +3431,7 @@ Editor::region_fill_track ()
                sigc::connection c = rtv->view()->RegionViewAdded.connect (sigc::mem_fun(*this, &Editor::collect_new_region_view));
 
                framepos_t const position = end_frame + (r->first_frame() - start_frame + 1);
-               playlist = (*i)->region()->playlist();
+               playlist = (*i)->region()->playlist();
                playlist->clear_changes ();
                playlist->duplicate_until (r, position, gap, end);
                _session->add_command(new StatefulDiffCommand (playlist));
@@ -3666,10 +3705,8 @@ Editor::trim_region (bool front)
 
                        if (front) {
                                (*i)->region()->trim_front (where);
-                               maybe_locate_with_edit_preroll ( where );
                        } else {
                                (*i)->region()->trim_end (where);
-                               maybe_locate_with_edit_preroll ( where );
                        }
 
                        _session->add_command (new StatefulDiffCommand ((*i)->region()));
@@ -3957,9 +3994,9 @@ Editor::bounce_range_selection (bool replace, bool enable_processing)
 
        for (TrackViewList::iterator i = views.begin(); i != views.end(); ++i) {
 
-               RouteTimeAxisView* rtv;
+               RouteTimeAxisView* rtv = dynamic_cast<RouteTimeAxisView*> (*i);
 
-               if ((rtv = dynamic_cast<RouteTimeAxisView*> (*i)) == 0) {
+               if (!rtv) {
                        continue;
                }
 
@@ -4168,6 +4205,7 @@ Editor::cut_copy (CutCopyOp op)
        }
 }
 
+
 struct AutomationRecord {
        AutomationRecord () : state (0) , line(NULL) {}
        AutomationRecord (XMLNode* s, const AutomationLine* l) : state (s) , line (l) {}
@@ -4176,7 +4214,11 @@ struct AutomationRecord {
        const AutomationLine* line; ///< line this came from
        boost::shared_ptr<Evoral::ControlList> copy; ///< copied events for the cut buffer
 };
-
+struct PointsSelectionPositionSorter {
+       bool operator() (ControlPoint* a, ControlPoint* b) {
+               return (*(a->model()))->when < (*(b->model()))->when;
+       }
+};
 /** Cut, copy or clear selected automation points.
  *  @param op Operation (Cut, Copy or Clear)
  */
@@ -4194,9 +4236,12 @@ Editor::cut_copy_points (Editing::CutCopyOp op, Evoral::Beats earliest, bool mid
        typedef std::map<boost::shared_ptr<AutomationList>, AutomationRecord> Lists;
        Lists lists;
 
+       /* user could select points in any order */
+       selection->points.sort(PointsSelectionPositionSorter ());
+       
        /* Go through all selected points, making an AutomationRecord for each distinct AutomationList */
-       for (PointSelection::iterator i = selection->points.begin(); i != selection->points.end(); ++i) {
-               const AutomationLine&                   line = (*i)->line();
+       for (PointSelection::iterator sel_point = selection->points.begin(); sel_point != selection->points.end(); ++sel_point) {
+               const AutomationLine&                   line = (*sel_point)->line();
                const boost::shared_ptr<AutomationList> al   = line.the_list();
                if (lists.find (al) == lists.end ()) {
                        /* We haven't seen this list yet, so make a record for it.  This includes
@@ -4216,17 +4261,17 @@ Editor::cut_copy_points (Editing::CutCopyOp op, Evoral::Beats earliest, bool mid
 
                /* Add all selected points to the relevant copy ControlLists */
                framepos_t start = std::numeric_limits<framepos_t>::max();
-               for (PointSelection::iterator i = selection->points.begin(); i != selection->points.end(); ++i) {
-                       boost::shared_ptr<AutomationList> al = (*i)->line().the_list();
-                       AutomationList::const_iterator    j  = (*i)->model();
+               for (PointSelection::iterator sel_point = selection->points.begin(); sel_point != selection->points.end(); ++sel_point) {
+                       boost::shared_ptr<AutomationList>    al = (*sel_point)->line().the_list();
+                       AutomationList::const_iterator ctrl_evt = (*sel_point)->model ();
 
-                       lists[al].copy->fast_simple_add ((*j)->when, (*j)->value);
+                       lists[al].copy->fast_simple_add ((*ctrl_evt)->when, (*ctrl_evt)->value);
                        if (midi) {
                                /* Update earliest MIDI start time in beats */
-                               earliest = std::min(earliest, Evoral::Beats((*j)->when));
+                               earliest = std::min(earliest, Evoral::Beats((*ctrl_evt)->when));
                        } else {
                                /* Update earliest session start time in frames */
-                               start = std::min(start, (*i)->line().session_position(j));
+                               start = std::min(start, (*sel_point)->line().session_position(ctrl_evt));
                        }
                }
 
@@ -4249,12 +4294,13 @@ Editor::cut_copy_points (Editing::CutCopyOp op, Evoral::Beats earliest, bool mid
                           start time, so relative ordering between points is preserved
                           when copying from several lists and the paste starts at the
                           earliest copied piece of data. */
-                       for (AutomationList::iterator j = i->second.copy->begin(); j != i->second.copy->end(); ++j) {
-                               (*j)->when -= line_offset;
+                       boost::shared_ptr<Evoral::ControlList> &al_cpy = i->second.copy;
+                       for (AutomationList::iterator ctrl_evt = al_cpy->begin(); ctrl_evt != al_cpy->end(); ++ctrl_evt) {
+                               (*ctrl_evt)->when -= line_offset;
                        }
 
                        /* And add it to the cut buffer */
-                       cut_buffer->add (i->second.copy);
+                       cut_buffer->add (al_cpy);
                }
        }
 
@@ -4266,9 +4312,22 @@ Editor::cut_copy_points (Editing::CutCopyOp op, Evoral::Beats earliest, bool mid
                }
 
                /* Remove each selected point from its AutomationList */
-               for (PointSelection::iterator i = selection->points.begin(); i != selection->points.end(); ++i) {
-                       boost::shared_ptr<AutomationList> al = (*i)->line().the_list();
-                       al->erase ((*i)->model ());
+               for (PointSelection::iterator sel_point = selection->points.begin(); sel_point != selection->points.end(); ++sel_point) {
+                       AutomationLine& line = (*sel_point)->line ();
+                       boost::shared_ptr<AutomationList> al = line.the_list();
+
+                       bool erase = true;
+                       
+                       if (dynamic_cast<AudioRegionGainLine*> (&line)) {
+                               /* removing of first and last gain point in region gain lines is prohibited*/
+                               if (line.is_last_point (*(*sel_point)) || line.is_first_point (*(*sel_point))) {
+                                       erase = false;
+                               }
+                       }
+
+                       if(erase) {
+                               al->erase ((*sel_point)->model ());
+                       }
                }
 
                /* Thaw the lists and add undo records for them */
@@ -4384,7 +4443,7 @@ Editor::remove_selected_regions ()
 
                if (!playlist) {
                        // is this check necessary?
-                       continue;
+                       continue;
                }
 
                /* get_regions_from_selection_and_entered() guarantees that
@@ -4633,7 +4692,7 @@ Editor::paste (float times, bool from_context)
 {
         DEBUG_TRACE (DEBUG::CutNPaste, "paste to preferred edit pos\n");
 
-       paste_internal (get_preferred_edit_position (EDIT_IGNORE_NONE, from_context), times);
+       paste_internal (get_preferred_edit_position (EDIT_IGNORE_NONE, from_context), times, get_grid_music_divisions (0));
 }
 
 void
@@ -4647,11 +4706,11 @@ Editor::mouse_paste ()
        }
 
        snap_to (where);
-       paste_internal (where, 1);
+       paste_internal (where, 1, get_grid_music_divisions (0));
 }
 
 void
-Editor::paste_internal (framepos_t position, float times)
+Editor::paste_internal (framepos_t position, float times, const int32_t sub_num)
 {
         DEBUG_TRACE (DEBUG::CutNPaste, string_compose ("apparent paste position is %1\n", position));
 
@@ -4744,7 +4803,7 @@ Editor::paste_internal (framepos_t position, float times)
               "greedy" paste from one automation type to another. */
 
            PasteContext ctx(paste_count, times, ItemCounts(), true);
-           ts.front()->paste (position, *cut_buffer, ctx);
+           ts.front()->paste (position, *cut_buffer, ctx, sub_num);
 
        } else {
 
@@ -4752,13 +4811,20 @@ Editor::paste_internal (framepos_t position, float times)
 
                PasteContext ctx(paste_count, times, ItemCounts(), false);
                for (TrackViewList::iterator i = ts.begin(); i != ts.end(); ++i) {
-                       (*i)->paste (position, *cut_buffer, ctx);
+                       (*i)->paste (position, *cut_buffer, ctx, sub_num);
                }
        }
 
        commit_reversible_command ();
 }
 
+void
+Editor::duplicate_regions (float times)
+{
+       RegionSelection rs (get_regions_from_selection_and_entered());
+       duplicate_some_regions (rs, times);
+}
+
 void
 Editor::duplicate_some_regions (RegionSelection& regions, float times)
 {
@@ -4788,7 +4854,7 @@ Editor::duplicate_some_regions (RegionSelection& regions, float times)
                sigc::connection c = rtv->view()->RegionViewAdded.connect (sigc::mem_fun(*this, &Editor::collect_new_region_view));
 
                framepos_t const position = end_frame + (r->first_frame() - start_frame + 1);
-               playlist = (*i)->region()->playlist();
+               playlist = (*i)->region()->playlist();
                playlist->clear_changes ();
                playlist->duplicate (r, position, gap, times);
                _session->add_command(new StatefulDiffCommand (playlist));
@@ -4839,18 +4905,19 @@ Editor::duplicate_selection (float times)
        }
 
        if (in_command) {
-               // now "move" range selection to after the current range selection
-               framecnt_t distance = 0;
+               if (times == 1.0f) {
+                       // now "move" range selection to after the current range selection
+                       framecnt_t distance = 0;
 
-               if (clicked_selection) {
-                       distance = selection->time[clicked_selection].end -
-                                  selection->time[clicked_selection].start;
-               } else {
-                       distance = selection->time.end_frame() - selection->time.start();
-               }
-
-               selection->move_time (distance);
+                       if (clicked_selection) {
+                               distance =
+                                   selection->time[clicked_selection].end - selection->time[clicked_selection].start;
+                       } else {
+                               distance = selection->time.end_frame () - selection->time.start ();
+                       }
 
+                       selection->move_time (distance);
+               }
                commit_reversible_command ();
        }
 }
@@ -4986,7 +5053,7 @@ Editor::normalize_region ()
 
        NormalizeDialog dialog (rs.size() > 1);
 
-       if (dialog.run () == RESPONSE_CANCEL) {
+       if (dialog.run () != RESPONSE_ACCEPT) {
                return;
        }
 
@@ -5000,25 +5067,36 @@ Editor::normalize_region ()
           obtain the maximum amplitude of them all.
        */
        list<double> max_amps;
+       list<double> rms_vals;
        double max_amp = 0;
+       double max_rms = 0;
+       bool use_rms = dialog.constrain_rms ();
+
        for (RegionSelection::const_iterator i = rs.begin(); i != rs.end(); ++i) {
                AudioRegionView const * arv = dynamic_cast<AudioRegionView const *> (*i);
-               if (arv) {
-                       dialog.descend (1.0 / regions);
-                       double const a = arv->audio_region()->maximum_amplitude (&dialog);
-
-                       if (a == -1) {
-                               /* the user cancelled the operation */
-                               return;
-                       }
+               if (!arv) {
+                       continue;
+               }
+               dialog.descend (1.0 / regions);
+               double const a = arv->audio_region()->maximum_amplitude (&dialog);
+               if (use_rms) {
+                       double r = arv->audio_region()->rms (&dialog);
+                       max_rms = max (max_rms, r);
+                       rms_vals.push_back (r);
+               }
 
-                       max_amps.push_back (a);
-                       max_amp = max (max_amp, a);
-                       dialog.ascend ();
+               if (a == -1) {
+                       /* the user cancelled the operation */
+                       return;
                }
+
+               max_amps.push_back (a);
+               max_amp = max (max_amp, a);
+               dialog.ascend ();
        }
 
        list<double>::const_iterator a = max_amps.begin ();
+       list<double>::const_iterator l = rms_vals.begin ();
        bool in_command = false;
 
        for (RegionSelection::iterator r = rs.begin(); r != rs.end(); ++r) {
@@ -5029,9 +5107,21 @@ Editor::normalize_region ()
 
                arv->region()->clear_changes ();
 
-               double const amp = dialog.normalize_individually() ? *a : max_amp;
+               double amp = dialog.normalize_individually() ? *a : max_amp;
+               double target = dialog.target_peak (); // dB
+
+               if (use_rms) {
+                       double const amp_rms = dialog.normalize_individually() ? *l : max_rms;
+                       const double t_rms = dialog.target_rms ();
+                       const gain_t c_peak = dB_to_coefficient (target);
+                       const gain_t c_rms  = dB_to_coefficient (t_rms);
+                       if ((amp_rms / c_rms) > (amp / c_peak)) {
+                               amp = amp_rms;
+                               target = t_rms;
+                       }
+               }
 
-               arv->audio_region()->normalize (amp, dialog.target ());
+               arv->audio_region()->normalize (amp, target);
 
                if (!in_command) {
                        begin_reversible_command (_("normalize"));
@@ -5040,6 +5130,7 @@ Editor::normalize_region ()
                _session->add_command (new StatefulDiffCommand (arv->region()));
 
                ++a;
+               ++l;
        }
 
        if (in_command) {
@@ -5182,8 +5273,7 @@ Editor::apply_midi_note_edit_op_to_region (MidiOperator& op, MidiRegionView& mrv
        vector<Evoral::Sequence<Evoral::Beats>::Notes> v;
        v.push_back (selected);
 
-       framepos_t    pos_frames = mrv.midi_region()->position() - mrv.midi_region()->start();
-       Evoral::Beats pos_beats  = _session->tempo_map().framewalk_to_beats(0, pos_frames);
+       Evoral::Beats pos_beats  = Evoral::Beats (mrv.midi_region()->beat()) - mrv.midi_region()->start_beats();
 
        return op (mrv.midi_region()->model(), pos_beats, v);
 }
@@ -5288,6 +5378,11 @@ Editor::quantize_regions (const RegionSelection& rs)
                quantize_dialog = new QuantizeDialog (*this);
        }
 
+       if (quantize_dialog->is_mapped()) {
+               /* in progress already */
+               return;
+       }
+
        quantize_dialog->present ();
        const int r = quantize_dialog->run ();
        quantize_dialog->hide ();
@@ -5699,11 +5794,11 @@ Editor::toggle_record_enable ()
                        continue;
 
                if (first) {
-                       new_state = !rtav->track()->record_enabled();
+                       new_state = !rtav->track()->rec_enable_control()->get_value();
                        first = false;
                }
 
-               rtav->track()->set_record_enabled (new_state, Controllable::UseGroup);
+               rtav->track()->rec_enable_control()->set_value (new_state, Controllable::UseGroup);
        }
 }
 
@@ -5712,7 +5807,7 @@ Editor::toggle_solo ()
 {
        bool new_state = false;
        bool first = true;
-       boost::shared_ptr<RouteList> rl (new RouteList);
+       boost::shared_ptr<ControlList> cl (new ControlList);
 
        for (TrackSelection::iterator i = selection->tracks.begin(); i != selection->tracks.end(); ++i) {
                RouteTimeAxisView *rtav = dynamic_cast<RouteTimeAxisView *>(*i);
@@ -5726,10 +5821,10 @@ Editor::toggle_solo ()
                        first = false;
                }
 
-               rl->push_back (rtav->route());
+               cl->push_back (rtav->route()->solo_control());
        }
 
-       _session->set_solo (rl, new_state, Session::rt_cleanup, Controllable::UseGroup);
+       _session->set_controls (cl, new_state ? 1.0 : 0.0, Controllable::UseGroup);
 }
 
 void
@@ -5754,7 +5849,7 @@ Editor::toggle_mute ()
                rl->push_back (rtav->route());
        }
 
-       _session->set_mute (rl, new_state, Session::rt_cleanup, Controllable::UseGroup);
+       _session->set_controls (route_list_to_control_list (rl, &Stripable::mute_control), new_state, Controllable::UseGroup);
 }
 
 void
@@ -6095,7 +6190,7 @@ Editor::set_edit_point ()
                Location* loc = find_location_from_marker (selection->markers.front(), ignored);
 
                if (loc) {
-                       loc->move_to (where);
+                       loc->move_to (where, get_grid_music_divisions(0));
                }
        }
 }
@@ -6120,9 +6215,11 @@ Editor::set_playhead_cursor ()
                }
        }
 
-       if (UIConfiguration::instance().get_follow_edits() && (!_session || !_session->config.get_external_sync())) {
-               cancel_time_selection();
-       }
+//not sure what this was for;  remove it for now.
+//     if (UIConfiguration::instance().get_follow_edits() && (!_session || !_session->config.get_external_sync())) {
+//             cancel_time_selection();
+//     }
+
 }
 
 void
@@ -6149,16 +6246,14 @@ Editor::split_region ()
                        return;
                }
 
-               split_regions_at (where, rs);
+               if (snap_musical()) {
+                       split_regions_at (where, rs, get_grid_music_divisions (0));
+               } else {
+                       split_regions_at (where, rs, 0);
+               }
        }
 }
 
-struct EditorOrderRouteSorter {
-    bool operator() (boost::shared_ptr<Route> a, boost::shared_ptr<Route> b) {
-           return a->order_key () < b->order_key ();
-    }
-};
-
 void
 Editor::select_next_route()
 {
@@ -6172,6 +6267,7 @@ Editor::select_next_route()
        RouteUI *rui;
        do {
                for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
+
                        if (*i == current) {
                                ++i;
                                if (i != track_views.end()) {
@@ -6183,10 +6279,12 @@ Editor::select_next_route()
                                break;
                        }
                }
+
                rui = dynamic_cast<RouteUI *>(current);
-       } while ( current->hidden() || (rui != NULL && !rui->route()->active()));
 
-       selection->set(current);
+       } while (current->hidden() || (rui == NULL) || !rui->route()->active());
+
+       selection->set (current);
 
        ensure_time_axis_view_is_visible (*current, false);
 }
@@ -6204,6 +6302,7 @@ Editor::select_prev_route()
        RouteUI *rui;
        do {
                for (TrackViewList::reverse_iterator i = track_views.rbegin(); i != track_views.rend(); ++i) {
+
                        if (*i == current) {
                                ++i;
                                if (i != track_views.rend()) {
@@ -6215,7 +6314,8 @@ Editor::select_prev_route()
                        }
                }
                rui = dynamic_cast<RouteUI *>(current);
-       } while ( current->hidden() || (rui != NULL && !rui->route()->active()));
+
+       } while (current->hidden() || (rui == NULL) || !rui->route()->active());
 
        selection->set (current);
 
@@ -6269,6 +6369,59 @@ Editor::set_punch_from_selection ()
        set_punch_range (start, end,  _("set punch range from selection"));
 }
 
+void
+Editor::set_auto_punch_range ()
+{
+       // auto punch in/out button from a single button
+       // If Punch In is unset, set punch range from playhead to end, enable punch in
+       // If Punch In is set, the next punch sets Punch Out, unless the playhead has been
+       //   rewound beyond the Punch In marker, in which case that marker will be moved back
+       //   to the current playhead position.
+       // If punch out is set, it clears the punch range and Punch In/Out buttons
+
+       if (_session == 0) {
+               return;
+       }
+
+       Location* tpl = transport_punch_location();
+       framepos_t now = playhead_cursor->current_frame();
+       framepos_t begin = now;
+       framepos_t end = _session->current_end_frame();
+
+       if (!_session->config.get_punch_in()) {
+               // First Press - set punch in and create range from here to eternity
+               set_punch_range (begin, end, _("Auto Punch In"));
+               _session->config.set_punch_in(true);
+       } else if (tpl && !_session->config.get_punch_out()) {
+               // Second press - update end range marker and set punch_out
+               if (now < tpl->start()) {
+                       // playhead has been rewound - move start back  and pretend nothing happened
+                       begin = now;
+                       set_punch_range (begin, end, _("Auto Punch In/Out"));
+               } else {
+                       // normal case for 2nd press - set the punch out
+                       end = playhead_cursor->current_frame ();
+                       set_punch_range (tpl->start(), now, _("Auto Punch In/Out"));
+                       _session->config.set_punch_out(true);
+               }
+       } else  {
+               if (_session->config.get_punch_out()) {
+                       _session->config.set_punch_out(false);
+               }
+
+               if (_session->config.get_punch_in()) {
+                       _session->config.set_punch_in(false);
+               }
+
+               if (tpl)
+               {
+                       // third press - unset punch in/out and remove range
+                       _session->locations()->remove(tpl);
+               }
+       }
+
+}
+
 void
 Editor::set_session_extents_from_selection ()
 {
@@ -6282,11 +6435,11 @@ Editor::set_session_extents_from_selection ()
 
        Location* loc;
        if ((loc = _session->locations()->session_range_location()) == 0) {
-               _session->set_session_extents ( start, end );  // this will create a new session range;  no need for UNDO
+               _session->set_session_extents (start, end);  // this will create a new session range;  no need for UNDO
        } else {
                XMLNode &before = loc->get_state();
 
-               _session->set_session_extents ( start, end );
+               _session->set_session_extents (start, end);
 
                XMLNode &after = loc->get_state();
 
@@ -6296,6 +6449,8 @@ Editor::set_session_extents_from_selection ()
 
                commit_reversible_command ();
        }
+
+       _session->set_end_is_free (false);
 }
 
 void
@@ -6476,7 +6631,7 @@ Editor::define_one_bar (framepos_t start, framepos_t end)
 {
        framepos_t length = end - start;
 
-       const Meter& m (_session->tempo_map().meter_at (start));
+       const Meter& m (_session->tempo_map().meter_at_frame (start));
 
        /* length = 1 bar */
 
@@ -6501,7 +6656,7 @@ Editor::define_one_bar (framepos_t start, framepos_t end)
 
        */
 
-       const TempoSection& t (_session->tempo_map().tempo_section_at (start));
+       const TempoSection& t (_session->tempo_map().tempo_section_at_frame (start));
 
        bool do_global = false;
 
@@ -6552,9 +6707,8 @@ Editor::define_one_bar (framepos_t start, framepos_t end)
        } else if (t.frame() == start) {
                _session->tempo_map().change_existing_tempo_at (start, beats_per_minute, t.note_type());
        } else {
-               Timecode::BBT_Time bbt;
-               _session->tempo_map().bbt_time (start, bbt);
-               _session->tempo_map().add_tempo (Tempo (beats_per_minute, t.note_type()), bbt, TempoSection::Type::Constant);
+               const Tempo tempo (beats_per_minute, t.note_type());
+               _session->tempo_map().add_tempo (tempo, 0.0, start, TempoSection::Constant, AudioTime);
        }
 
        XMLNode& after (_session->tempo_map().get_state());
@@ -6927,9 +7081,11 @@ Editor::close_region_gaps ()
                        continue;
                }
 
+               (*r)->region()->clear_changes ();
                (*r)->region()->trim_front( (position - pull_back_frames));
                last_region->trim_end( (position - pull_back_frames + crossfade_len));
 
+               _session->add_command (new StatefulDiffCommand ((*r)->region()));
                last_region = (*r)->region();
 
                idx++;
@@ -7205,8 +7361,28 @@ edit your ardour.rc file to set the\n\
                return;
        }
 
+       if (current_mixer_strip && routes.size () > 1 && std::find (routes.begin(), routes.end(), current_mixer_strip->route()) != routes.end ()) {
+               /* Route deletion calls Editor::timeaxisview_deleted() iteratively (for each deleted
+                * route). If the deleted route is currently displayed in the Editor-Mixer (highly
+                * likely because deletion requires selection) this will call
+                * Editor::set_selected_mixer_strip () which is expensive ( MixerStrip::set_route() ).
+                * It's likewise likely that the route that has just been displayed in the
+                * Editor-Mixer will be next in line for deletion.
+                *
+                * So simply switch to the master-bus (if present)
+                */
+               for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
+                       if ((*i)->stripable ()->is_master ()) {
+                               set_selected_mixer_strip (*(*i));
+                               break;
+                       }
+               }
+       }
+
        {
+               PresentationInfo::ChangeSuspender cs;
                DisplaySuspender ds;
+
                boost::shared_ptr<RouteList> rl (new RouteList);
                for (vector<boost::shared_ptr<Route> >::iterator x = routes.begin(); x != routes.end(); ++x) {
                        rl->push_back (*x);
@@ -7238,7 +7414,7 @@ Editor::do_insert_time ()
        }
 
        insert_time (
-               get_preferred_edit_position (EDIT_IGNORE_MOUSE),
+               d.position(),
                d.distance(),
                d.intersected_region_action (),
                d.all_playlists(),
@@ -7295,7 +7471,8 @@ Editor::insert_time (
                        (*i)->clear_owned_changes ();
 
                        if (opt == SplitIntersected) {
-                               (*i)->split (pos);
+                               /* non musical split */
+                               (*i)->split (pos, 0);
                        }
 
                        (*i)->shift (pos, frames, (opt == MoveIntersected), ignore_music_glue);
@@ -7325,6 +7502,7 @@ Editor::insert_time (
        /* markers */
        if (markers_too) {
                bool moved = false;
+               const int32_t divisions = get_grid_music_divisions (0);
                XMLNode& before (_session->locations()->get_state());
                Locations::LocationList copy (_session->locations()->list());
 
@@ -7341,9 +7519,9 @@ Editor::insert_time (
                                if ((*i)->start() >= pos) {
                                        // move end first, in case we're moving by more than the length of the range
                                        if (!(*i)->is_mark()) {
-                                               (*i)->set_end ((*i)->end() + frames);
+                                               (*i)->set_end ((*i)->end() + frames, false, true, divisions);
                                        }
-                                       (*i)->set_start ((*i)->start() + frames);
+                                       (*i)->set_start ((*i)->start() + frames, false, true, divisions);
                                        moved = true;
                                }
 
@@ -7386,7 +7564,6 @@ Editor::do_remove_time ()
                return;
        }
 
-       framepos_t pos = get_preferred_edit_position (EDIT_IGNORE_MOUSE);
        InsertRemoveTimeDialog d (*this, true);
 
        int response = d.run ();
@@ -7402,7 +7579,7 @@ Editor::do_remove_time ()
        }
 
        remove_time (
-               pos,
+               d.position(),
                distance,
                SplitIntersected,
                d.move_glued(),
@@ -7457,6 +7634,7 @@ Editor::remove_time (framepos_t pos, framecnt_t frames, InsertTimeOption opt,
                }
        }
 
+       const int32_t divisions = get_grid_music_divisions (0);
        std::list<Location*> loc_kill_list;
 
        /* markers */
@@ -7485,20 +7663,20 @@ Editor::remove_time (framepos_t pos, framecnt_t frames, InsertTimeOption opt,
                                                // if we're removing more time than the length of the range
                                                if ((*i)->start() >= pos && (*i)->start() < pos+frames) {
                                                        // start is within cut
-                                                       (*i)->set_start (pos);  // bring the start marker to the beginning of the cut
+                                                       (*i)->set_start (pos, false, true,divisions);  // bring the start marker to the beginning of the cut
                                                        moved = true;
                                                } else if ((*i)->start() >= pos+frames) {
                                                        // start (and thus entire range) lies beyond end of cut
-                                                       (*i)->set_start ((*i)->start() - frames); // slip the start marker back
+                                                       (*i)->set_start ((*i)->start() - frames, false, true, divisions); // slip the start marker back
                                                        moved = true;
                                                }
                                                if ((*i)->end() >= pos && (*i)->end() < pos+frames) {
                                                        // end is inside cut
-                                                       (*i)->set_end (pos);  // bring the end to the cut
+                                                       (*i)->set_end (pos, false, true, divisions);  // bring the end to the cut
                                                        moved = true;
                                                } else if ((*i)->end() >= pos+frames) {
                                                        // end is beyond end of cut
-                                                       (*i)->set_end ((*i)->end() - frames); // slip the end marker back
+                                                       (*i)->set_end ((*i)->end() - frames, false, true, divisions); // slip the end marker back
                                                        moved = true;
                                                }
 
@@ -7507,7 +7685,7 @@ Editor::remove_time (framepos_t pos, framecnt_t frames, InsertTimeOption opt,
                                        loc_kill_list.push_back(*i);
                                        moved = true;
                                } else if ((*i)->start() >= pos) {
-                                       (*i)->set_start ((*i)->start() -frames);
+                                       (*i)->set_start ((*i)->start() -frames, false, true, divisions);
                                        moved = true;
                                }
 
@@ -7845,6 +8023,8 @@ Editor::toggle_midi_input_active (bool flip_others)
        _session->set_exclusive_input_active (rl, onoff, flip_others);
 }
 
+static bool ok_fine (GdkEventAny*) { return true; }
+
 void
 Editor::lock ()
 {
@@ -7853,6 +8033,7 @@ Editor::lock ()
 
                Gtk::Image* padlock = manage (new Gtk::Image (ARDOUR_UI_UTILS::get_icon ("padlock_closed")));
                lock_dialog->get_vbox()->pack_start (*padlock);
+               lock_dialog->signal_delete_event ().connect (sigc::ptr_fun (ok_fine));
 
                ArdourButton* b = manage (new ArdourButton);
                b->set_name ("lock button");
@@ -7868,6 +8049,8 @@ Editor::lock ()
        _main_menu_disabler = new MainMenuDisabler;
 
        lock_dialog->present ();
+
+       lock_dialog->get_window()->set_decorations (Gdk::WMDecoration (0));
 }
 
 void
@@ -7894,7 +8077,7 @@ Editor::update_bring_in_message (Gtk::Label* label, uint32_t n, uint32_t total,
 {
        Timers::TimerSuspender t;
        label->set_text (string_compose ("Copying %1, %2 of %3", name, n, total));
-       Gtkmm2ext::UI::instance()->flush_pending ();
+       Gtkmm2ext::UI::instance()->flush_pending (1);
 }
 
 void
@@ -7914,7 +8097,7 @@ Editor::bring_all_sources_into_session ()
         */
 
        Timers::TimerSuspender t;
-       Gtkmm2ext::UI::instance()->flush_pending ();
+       Gtkmm2ext::UI::instance()->flush_pending (3);
 
        cerr << " Do it\n";