Add comment about parameters to coverage() including the end point.
[ardour.git] / gtk2_ardour / editor_ops.cc
index 052fad0f6ba900c8e346be993d992a0e537adaa1..e8ca0e1ee2f7754256fd5f579340cd402c62ed27 100644 (file)
@@ -24,6 +24,7 @@
 #include <cstdlib>
 #include <cmath>
 #include <string>
+#include <limits>
 #include <map>
 #include <set>
 
@@ -47,6 +48,7 @@
 #include "ardour/midi_track.h"
 #include "ardour/operations.h"
 #include "ardour/playlist_factory.h"
+#include "ardour/profile.h"
 #include "ardour/quantize.h"
 #include "ardour/region_factory.h"
 #include "ardour/reverse.h"
@@ -62,6 +64,7 @@
 #include "audio_region_view.h"
 #include "audio_streamview.h"
 #include "audio_time_axis.h"
+#include "automation_region_view.h"
 #include "automation_time_axis.h"
 #include "control_point.h"
 #include "debug.h"
 #include "gui_thread.h"
 #include "insert_time_dialog.h"
 #include "interthread_progress_window.h"
+#include "item_counts.h"
 #include "keyboard.h"
 #include "midi_region_view.h"
+#include "mixer_strip.h"
 #include "mouse_cursors.h"
 #include "normalize_dialog.h"
 #include "patch_change_dialog.h"
@@ -133,6 +138,9 @@ Editor::split_regions_at (framepos_t where, RegionSelection& regions)
 {
        bool frozen = false;
 
+       RegionSelection pre_selected_regions = selection->regions;
+       bool working_on_selection = !pre_selected_regions.empty();
+
        list<boost::shared_ptr<Playlist> > used_playlists;
        list<RouteTimeAxisView*> used_trackviews;
 
@@ -232,10 +240,15 @@ Editor::split_regions_at (framepos_t where, RegionSelection& regions)
                EditorThaw(); /* Emit Signal */
        }
 
-       if (!latest_regionviews.empty()) {
-               selection->add (latest_regionviews);
+       if (ARDOUR::Profile->get_mixbus()) {
+               //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;  its not practical or wanted to follow this edit
+               if( working_on_selection ) {
+                       selection->add ( pre_selected_regions );
+                       selection->add (latest_regionviews);  //these are the new regions created after the split
+               }
+               _ignore_follow_edits = false;
        }
-
 }
 
 /** Move one extreme of the current range selection.  If more than one range is selected,
@@ -636,7 +649,7 @@ Editor::build_region_boundary_cache ()
                break;
        default:
                fatal << string_compose (_("build_region_boundary_cache called with snap_type = %1"), _snap_type) << endmsg;
-               /*NOTREACHED*/
+               abort(); /*NOTREACHED*/
                return;
        }
 
@@ -1359,30 +1372,30 @@ Editor::scroll_down_one_track ()
 {
        TrackViewList::reverse_iterator next = track_views.rend();
        std::pair<TimeAxisView*,double> res;
-       const double bottom_of_trackviews = vertical_adjustment.get_value() + vertical_adjustment.get_page_size() - 1;
+       const double top_of_trackviews = vertical_adjustment.get_value();
 
        for (TrackViewList::reverse_iterator t = track_views.rbegin(); t != track_views.rend(); ++t) {
                if ((*t)->hidden()) {
                        continue;
                }
-               
-               /* If this is the bottom visible trackview, we want to display
-                  the next one.
+
+
+               /* If this is the upper-most visible trackview, we want to display
+                  the one above it (next)
                */
 
-               res = (*t)->covers_y_position (bottom_of_trackviews);
+               res = (*t)->covers_y_position (top_of_trackviews);
 
                if (res.first) {
                        break;
                }
-
-               ++next; // moves "next" towards the "front" since it is a reverse iterator
+               next = t;
        }
 
        /* move to the track below the first one that covers the */
        
        if (next != track_views.rend()) {
-               ensure_time_axis_view_is_visible (**next);
+               ensure_time_axis_view_is_visible (**next, true);
                return true;
        }
 
@@ -1392,11 +1405,10 @@ Editor::scroll_down_one_track ()
 bool
 Editor::scroll_up_one_track ()
 {
-       double vertical_pos = vertical_adjustment.get_value ();
-
        TrackViewList::iterator prev = track_views.end();
        std::pair<TimeAxisView*,double> res;
-
+       double top_of_trackviews = vertical_adjustment.get_value ();
+       
        for (TrackViewList::iterator t = track_views.begin(); t != track_views.end(); ++t) {
 
                if ((*t)->hidden()) {
@@ -1404,10 +1416,9 @@ Editor::scroll_up_one_track ()
                }
 
                /* find the trackview at the top of the trackview group */
-               res = (*t)->covers_y_position (vertical_pos);
+               res = (*t)->covers_y_position (top_of_trackviews);
                
                if (res.first) {
-                       cerr << res.first->name() << " covers the top\n";
                        break;
                }
 
@@ -1415,7 +1426,7 @@ Editor::scroll_up_one_track ()
        }
        
        if (prev != track_views.end()) {
-               ensure_time_axis_view_is_visible (**prev);
+               ensure_time_axis_view_is_visible (**prev, true);
                return true;
        }
 
@@ -1522,7 +1533,7 @@ Editor::temporal_zoom (framecnt_t fpp)
        // would be 4147200000 samples, so 2592000 samples per pixel.
 
        nfpp = min (fpp, (framecnt_t) 2592000);
-       nfpp = max ((framecnt_t) 1, fpp);
+       nfpp = max ((framecnt_t) 1, nfpp);
 
        new_page_size = (framepos_t) floor (_visible_canvas_width * nfpp);
        half_page_size = new_page_size / 2;
@@ -1620,6 +1631,37 @@ Editor::temporal_zoom (framecnt_t fpp)
        reposition_and_zoom (leftmost_after_zoom, nfpp);
 }
 
+void
+Editor::calc_extra_zoom_edges(framepos_t &start, framepos_t &end)
+{
+       /* this func helps make sure we leave a little space
+          at each end of the editor so that the zoom doesn't fit the region
+          precisely to the screen.
+       */
+
+       GdkScreen* screen = gdk_screen_get_default ();
+       const gint pixwidth = gdk_screen_get_width (screen);
+       const gint mmwidth = gdk_screen_get_width_mm (screen);
+       const double pix_per_mm = (double) pixwidth/ (double) mmwidth;
+       const double one_centimeter_in_pixels = pix_per_mm * 10.0;
+
+       const framepos_t range = end - start;
+       const framecnt_t new_fpp = (framecnt_t) ceil ((double) range / (double) _visible_canvas_width);
+       const framepos_t extra_samples = (framepos_t) floor (one_centimeter_in_pixels * new_fpp);
+
+       if (start > extra_samples) {
+               start -= extra_samples;
+       } else {
+               start = 0;
+       }
+
+       if (max_framepos - extra_samples > end) {
+               end += extra_samples;
+       } else {
+               end = max_framepos;
+       }
+}
+
 void
 Editor::temporal_zoom_region (bool both_axes)
 {
@@ -1646,36 +1688,11 @@ Editor::temporal_zoom_region (bool both_axes)
                tracks.insert (&((*i)->get_time_axis_view()));
        }
 
-       /* now comes an "interesting" hack ... make sure we leave a little space
-          at each end of the editor so that the zoom doesn't fit the region
-          precisely to the screen.
-       */
-
-       GdkScreen* screen = gdk_screen_get_default ();
-       gint pixwidth = gdk_screen_get_width (screen);
-       gint mmwidth = gdk_screen_get_width_mm (screen);
-       double pix_per_mm = (double) pixwidth/ (double) mmwidth;
-       double one_centimeter_in_pixels = pix_per_mm * 10.0;
-
        if ((start == 0 && end == 0) || end < start) {
                return;
        }
 
-       framepos_t range = end - start;
-       double new_fpp = (double) range / (double) _visible_canvas_width;
-       framepos_t extra_samples = (framepos_t) floor (one_centimeter_in_pixels * new_fpp);
-
-       if (start > extra_samples) {
-               start -= extra_samples;
-       } else {
-               start = 0;
-       }
-
-       if (max_framepos - extra_samples > end) {
-               end += extra_samples;
-       } else {
-               end = max_framepos;
-       }
+       calc_extra_zoom_edges (start, end);
 
        /* if we're zooming on both axes we need to save track heights etc.
         */
@@ -1718,18 +1735,28 @@ Editor::zoom_to_region (bool both_axes)
 }
 
 void
-Editor::temporal_zoom_selection ()
+Editor::temporal_zoom_selection (bool both_axes)
 {
        if (!selection) return;
 
-       if (selection->time.empty()) {
-               return;
+       //if a range is selected, zoom to that
+       if (!selection->time.empty()) {
+
+               framepos_t start = selection->time.start();
+               framepos_t end = selection->time.end_frame();
+
+               calc_extra_zoom_edges(start, end);
+
+               temporal_zoom_by_frame (start, end);
+
+               if (both_axes)
+                       fit_selected_tracks();
+
+       } else {
+               temporal_zoom_region (both_axes);
        }
 
-       framepos_t start = selection->time[clicked_selection].start;
-       framepos_t end = selection->time[clicked_selection].end;
 
-       temporal_zoom_by_frame (start, end);
 }
 
 void
@@ -1738,13 +1765,28 @@ Editor::temporal_zoom_session ()
        ENSURE_GUI_THREAD (*this, &Editor::temporal_zoom_session)
 
        if (_session) {
-               framecnt_t const l = _session->current_end_frame() - _session->current_start_frame();
-               double s = _session->current_start_frame() - l * 0.01;
-               if (s < 0) {
-                       s = 0;
+               framecnt_t start = _session->current_start_frame();
+               framecnt_t end = _session->current_end_frame();
+
+               if (_session->actively_recording () ) {
+                       framepos_t cur = playhead_cursor->current_frame ();
+                       if (cur > end) {
+                               /* recording beyond the end marker; zoom out
+                                * by 5 seconds more so that if 'follow
+                                * playhead' is active we don't immediately
+                                * scroll.
+                                */
+                               end = cur + _session->frame_rate() * 5;
+                       }
                }
-               framecnt_t const e = _session->current_end_frame() + l * 0.01;
-               temporal_zoom_by_frame (framecnt_t (s), e);
+
+               if ((start == 0 && end == 0) || end < start) {
+                       return;
+               }
+
+               calc_extra_zoom_edges(start, end);
+
+               temporal_zoom_by_frame (start, end);
        }
 }
 
@@ -1759,9 +1801,9 @@ Editor::temporal_zoom_by_frame (framepos_t start, framepos_t end)
 
        framepos_t range = end - start;
 
-       double const new_fpp = (double) range / (double) _visible_canvas_width;
-
-       framepos_t new_page = (framepos_t) floor (_visible_canvas_width * new_fpp);
+       const framecnt_t new_fpp = (framecnt_t) ceil ((double) range / (double) _visible_canvas_width);
+       
+       framepos_t new_page = range;
        framepos_t middle = (framepos_t) floor ((double) start + ((double) range / 2.0f));
        framepos_t new_leftmost = (framepos_t) floor ((double) middle - ((double) new_page / 2.0f));
 
@@ -2078,15 +2120,7 @@ Editor::clear_ranges ()
                _session->begin_reversible_command (_("clear ranges"));
                XMLNode &before = _session->locations()->get_state();
 
-               Location * looploc = _session->locations()->auto_loop_location();
-               Location * punchloc = _session->locations()->auto_punch_location();
-               Location * sessionloc = _session->locations()->session_range_location();
-
                _session->locations()->clear_ranges ();
-               // re-add these
-               if (looploc) _session->locations()->add (looploc);
-               if (punchloc) _session->locations()->add (punchloc);
-               if (sessionloc) _session->locations()->add (sessionloc);
 
                XMLNode &after = _session->locations()->get_state();
                _session->add_command(new MementoCommand<Locations>(*(_session->locations()), &before, &after));
@@ -2267,7 +2301,7 @@ Editor::get_preroll ()
 void
 Editor::maybe_locate_with_edit_preroll ( framepos_t location )
 {
-       if ( _session->transport_rolling() || !Config->get_follow_edits() )
+       if ( _session->transport_rolling() || !Config->get_follow_edits() || _ignore_follow_edits )
                return;
 
        location -= get_preroll();
@@ -2329,8 +2363,8 @@ Editor::loop_location (Location& location)
                tll->set (location.start(), location.end());
 
                // enable looping, reposition and start rolling
-               _session->request_play_loop (true);
                _session->request_locate (tll->start(), true);
+               _session->request_play_loop (true);
        }
 }
 
@@ -2669,6 +2703,7 @@ static void
 add_if_covered (RegionView* rv, const AudioRange* ar, RegionSelection* rs)
 {
        switch (rv->region()->coverage (ar->start, ar->end - 1)) {
+       // n.b. -1 because AudioRange::end is one past the end, but coverage expects inclusive ranges
        case Evoral::OverlapNone:
                break;
        default:
@@ -2788,8 +2823,7 @@ Editor::separate_regions_between (const TimeSelection& ts)
        }
 
        if (in_command) {
-               selection->set (new_selection);
-               set_mouse_mode (MouseObject);
+//             selection->set (new_selection);
 
                commit_reversible_command ();
        }
@@ -3704,7 +3738,14 @@ Editor::bounce_range_selection (bool replace, bool enable_processing)
 void
 Editor::delete_ ()
 {
-       cut_copy (Delete);
+       //special case: if the user is pointing in the editor/mixer strip, they may be trying to delete a plugin.
+       //we need this because the editor-mixer strip is in the editor window, so it doesn't get the bindings from the mix window
+       bool deleted = false;
+       if ( current_mixer_strip && current_mixer_strip == MixerStrip::entered_mixer_strip() )
+               deleted = current_mixer_strip->delete_processors ();
+
+       if (!deleted)
+               cut_copy (Delete);
 }
 
 /** Cut selected regions, automation points or a time range */
@@ -3726,23 +3767,8 @@ Editor::copy ()
 bool
 Editor::can_cut_copy () const
 {
-       switch (effective_mouse_mode()) {
-
-       case MouseObject:
-               if (!selection->regions.empty() || !selection->points.empty()) {
-                       return true;
-               }
-               break;
-
-       case MouseRange:
-               if (!selection->time.empty()) {
-                       return true;
-               }
-               break;
-
-       default:
-               break;
-       }
+       if (!selection->time.empty() || !selection->regions.empty() || !selection->points.empty())
+               return true;
 
        return false;
 }
@@ -3821,80 +3847,48 @@ Editor::cut_copy (CutCopyOp op)
 
        bool did_edit = false;
 
-       switch (effective_mouse_mode()) {
-       case MouseGain:
-               if (!selection->points.empty()) {
-                       begin_reversible_command (opname + _(" points"));
-                       did_edit = true;
-                       cut_copy_points (op);
-                       if (op == Cut || op == Delete) {
-                               selection->clear_points ();
-                       }
-               }
-               break;
-               
-       case MouseObject: 
-
-               if (!selection->regions.empty() || !selection->points.empty()) {
-
-                       string thing_name;
+       if (!selection->regions.empty() || !selection->points.empty()) {
+               begin_reversible_command (opname + ' ' + _("objects"));
+               did_edit = true;
 
-                       if (selection->regions.empty()) {
-                               thing_name = _("points");
-                       } else if (selection->points.empty()) {
-                               thing_name = _("regions");
-                       } else {
-                               thing_name = _("objects");
-                       }
-               
-                       begin_reversible_command (opname + ' ' + thing_name);
-                       did_edit = true;
-
-                       if (!selection->regions.empty()) {
-                               cut_copy_regions (op, selection->regions);
-                               
-                               if (op == Cut || op == Delete) {
-                                       selection->clear_regions ();
-                               }
-                       }
-                       
-                       if (!selection->points.empty()) {
-                               cut_copy_points (op);
-                               
-                               if (op == Cut || op == Delete) {
-                                       selection->clear_points ();
-                               }
-                       }
-               } 
-               break;
+               if (!selection->regions.empty()) {
+                       cut_copy_regions (op, selection->regions);
                        
-       case MouseRange:
-               if (selection->time.empty()) {
-                       framepos_t start, end;
-                       /* no time selection, see if we can get an edit range
-                          and use that.
-                       */
-                       if (get_edit_op_range (start, end)) {
-                               selection->set (start, end);
+                       if (op == Cut || op == Delete) {
+                               selection->clear_regions ();
                        }
                }
-               if (!selection->time.empty()) {
-                       begin_reversible_command (opname + _(" range"));
-
-                       did_edit = true;
-                       cut_copy_ranges (op);
+               
+               if (!selection->points.empty()) {
+                       cut_copy_points (op);
                        
                        if (op == Cut || op == Delete) {
-                               selection->clear_time ();
+                               selection->clear_points ();
                        }
                }
-               break;
+       } else if (selection->time.empty()) {
+               framepos_t start, end;
+               /* no time selection, see if we can get an edit range
+                  and use that.
+               */
+               if (get_edit_op_range (start, end)) {
+                       selection->set (start, end);
+               }
+       } else if (!selection->time.empty()) {
+               begin_reversible_command (opname + ' ' + _("range"));
+
+               did_edit = true;
+               cut_copy_ranges (op);
                
-       default:
-               break;
+               if (op == Cut || op == Delete) {
+                       selection->clear_time ();
+               }
        }
        
        if (did_edit) {
+               /* reset repeated paste state */
+               paste_count    = 0;
+               last_paste_pos = 0;
                commit_reversible_command ();   
        }
        
@@ -3904,10 +3898,11 @@ Editor::cut_copy (CutCopyOp op)
 }
 
 struct AutomationRecord {
-       AutomationRecord () : state (0) {}
-       AutomationRecord (XMLNode* s) : state (s) {}
+       AutomationRecord () : state (0) , line(NULL) {}
+       AutomationRecord (XMLNode* s, const AutomationLine* l) : state (s) , line (l) {}
        
        XMLNode* state; ///< state before any operation
+       const AutomationLine* line; ///< line this came from
        boost::shared_ptr<Evoral::ControlList> copy; ///< copied events for the cut buffer
 };
 
@@ -3930,12 +3925,13 @@ Editor::cut_copy_points (CutCopyOp op)
 
        /* Go through all selected points, making an AutomationRecord for each distinct AutomationList */
        for (PointSelection::iterator i = selection->points.begin(); i != selection->points.end(); ++i) {
-               boost::shared_ptr<AutomationList> al = (*i)->line().the_list();
+               const AutomationLine&                   line = (*i)->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
                           taking a copy of its current state, in case this is needed for undo later.
                        */
-                       lists[al] = AutomationRecord (&al->get_state ());
+                       lists[al] = AutomationRecord (&al->get_state (), &line);
                }
        }
 
@@ -3943,22 +3939,33 @@ Editor::cut_copy_points (CutCopyOp op)
                /* This operation will involve putting things in the cut buffer, so create an empty
                   ControlList for each of our source lists to put the cut buffer data in.
                */
+               framepos_t start = std::numeric_limits<framepos_t>::max();
                for (Lists::iterator i = lists.begin(); i != lists.end(); ++i) {
                        i->second.copy = i->first->create (i->first->parameter ());
+
+                       /* Calculate earliest start position of any point in selection. */
+                       start = std::min(start, i->second.line->session_position(i->first->begin()));
                }
 
                /* Add all selected points to the relevant copy ControlLists */
                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 ();
-                       lists[al].copy->add ((*j)->when, (*j)->value);
+                       lists[al].copy->fast_simple_add ((*j)->when, (*j)->value);
                }
 
+               /* Snap start time backwards, so copy/paste is snap aligned. */
+               snap_to(start, RoundDownMaybe);
+
                for (Lists::iterator i = lists.begin(); i != lists.end(); ++i) {
-                       /* Correct this copy list so that it starts at time 0 */
-                       double const start = i->second.copy->front()->when;
+                       /* Correct this copy list so that it is relative to the earliest
+                          start time, so relative ordering between points is preserved
+                          when copying from several lists. */
+                       const AutomationLine* line        = i->second.line;
+                       const double          line_offset = line->time_converter().from(start);
+
                        for (AutomationList::iterator j = i->second.copy->begin(); j != i->second.copy->end(); ++j) {
-                               (*j)->when -= start;
+                               (*j)->when -= line_offset;
                        }
 
                        /* And add it to the cut buffer */
@@ -3995,12 +4002,22 @@ void
 Editor::cut_copy_midi (CutCopyOp op)
 {
        for (MidiRegionSelection::iterator i = selection->midi_regions.begin(); i != selection->midi_regions.end(); ++i) {
-               MidiRegionView* mrv = *i;
-               mrv->cut_copy_clear (op);
-       }
-}
+               MidiRegionView* mrv = dynamic_cast<MidiRegionView*>(*i);
+               if (mrv) {
+                       mrv->cut_copy_clear (op);
 
+                       /* XXX: not ideal, as there may be more than one track involved in the selection */
+                       _last_cut_copy_source_track = &mrv->get_time_axis_view();
+               }
+       }
 
+       if (!selection->points.empty()) {
+               cut_copy_points (op);
+               if (op == Cut || op == Delete) {
+                       selection->clear_points ();
+               }
+       }
+}
 
 struct lt_playlist {
     bool operator () (const PlaylistState& a, const PlaylistState& b) {
@@ -4341,14 +4358,8 @@ Editor::paste_internal (framepos_t position, float times)
 {
         DEBUG_TRACE (DEBUG::CutNPaste, string_compose ("apparent paste position is %1\n", position));
 
-       if (internal_editing()) {
-               if (cut_buffer->midi_notes.empty()) {
-                       return;
-               }
-       } else {
-               if (cut_buffer->empty()) {
-                       return;
-               }
+       if (cut_buffer->empty(internal_editing())) {
+               return;
        }
 
        if (position == max_framepos) {
@@ -4356,45 +4367,90 @@ Editor::paste_internal (framepos_t position, float times)
                 DEBUG_TRACE (DEBUG::CutNPaste, string_compose ("preferred edit position is %1\n", position));
        }
 
-       TrackViewList ts;
-       TrackViewList::iterator i;
-       size_t nth;
+       if (position == last_paste_pos) {
+               /* repeated paste in the same position */
+               ++paste_count;
+       } else {
+               /* paste in new location, reset repeated paste state */
+               paste_count = 0;
+               last_paste_pos = position;
+       }
 
        /* get everything in the correct order */
 
-       if (_edit_point == Editing::EditAtMouse && entered_track) {
-               /* With the mouse edit point, paste onto the track under the mouse */
-               ts.push_back (entered_track);
-       } else if (!selection->tracks.empty()) {
-               /* Otherwise, if there are some selected tracks, paste to them */
+       TrackViewList ts;
+       if (!selection->tracks.empty()) {
+               /* If there is a track selection, paste into exactly those tracks and
+                  only those tracks.  This allows the user to be explicit and override
+                  the below "do the reasonable thing" logic. */
                ts = selection->tracks.filter_to_unique_playlists ();
                sort_track_selection (ts);
-       } else if (_last_cut_copy_source_track) {
-               /* Otherwise paste to the track that the cut/copy came from;
-                  see discussion in mantis #3333.
-               */
-               ts.push_back (_last_cut_copy_source_track);
+       } else {
+               /* Figure out which track to base the paste at. */
+               TimeAxisView* base_track = NULL;
+               if (_edit_point == Editing::EditAtMouse && entered_track) {
+                       /* With the mouse edit point, paste onto the track under the mouse. */
+                       base_track = entered_track;
+               } else if (_edit_point == Editing::EditAtMouse && entered_regionview) {
+                       /* With the mouse edit point, paste onto the track of the region under the mouse. */
+                       base_track = &entered_regionview->get_time_axis_view();
+               } else if (_last_cut_copy_source_track) {
+                       /* Paste to the track that the cut/copy came from (see mantis #333). */
+                       base_track = _last_cut_copy_source_track;
+               } else {
+                       /* This is "impossible" since we've copied... well, do nothing. */
+                       return;
+               }
+
+               /* Walk up to parent if necessary, so base track is a route. */
+               while (base_track->get_parent()) {
+                       base_track = base_track->get_parent();
+               }
+
+               /* Add base track and all tracks below it.  The paste logic will select
+                  the appropriate object types from the cut buffer in relative order. */
+               for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
+                       if ((*i)->order() >= base_track->order()) {
+                               ts.push_back(*i);
+                       }
+               }
+
+               /* Sort tracks so the nth track of type T will pick the nth object of type T. */
+               sort_track_selection (ts);
+
+               /* Add automation children of each track in order, for pasting several lines. */
+               for (TrackViewList::iterator i = ts.begin(); i != ts.end();) {
+                       /* Add any automation children for pasting several lines */
+                       RouteTimeAxisView* rtv = dynamic_cast<RouteTimeAxisView*>(*i++);
+                       if (!rtv) {
+                               continue;
+                       }
+
+                       typedef RouteTimeAxisView::AutomationTracks ATracks;
+                       const ATracks& atracks = rtv->automation_tracks();
+                       for (ATracks::const_iterator a = atracks.begin(); a != atracks.end(); ++a) {
+                               i = ts.insert(i, a->second.get());
+                               ++i;
+                       }
+               }
+
+               /* We now have a list of trackviews starting at base_track, including
+                  automation children, in the order shown in the editor, e.g. R1,
+                  R1.A1, R1.A2, R2, R2.A1, ... */
        }
 
        if (internal_editing ()) {
 
                /* undo/redo is handled by individual tracks/regions */
 
-               for (nth = 0, i = ts.begin(); i != ts.end(); ++i, ++nth) {
-
-                       RegionSelection rs;
-                       RegionSelection::iterator r;
-                       MidiNoteSelection::iterator cb;
-
-                       get_regions_at (rs, position, ts);
+               RegionSelection rs;
+               get_regions_at (rs, position, ts);
 
-                       for (cb = cut_buffer->midi_notes.begin(), r = rs.begin();
-                            cb != cut_buffer->midi_notes.end() && r != rs.end(); ++r) {
-                               MidiRegionView* mrv = dynamic_cast<MidiRegionView*> (*r);
-                               if (mrv) {
-                                       mrv->paste (position, times, **cb);
-                                       ++cb;
-                               }
+               ItemCounts counts;
+               for (RegionSelection::iterator r = rs.begin(); r != rs.end(); ++r) {
+                       MidiRegionView* mrv = dynamic_cast<MidiRegionView*> (*r);
+                       if (mrv) {
+                               mrv->paste (position, paste_count, times, *cut_buffer, counts);
                        }
                }
 
@@ -4404,8 +4460,9 @@ Editor::paste_internal (framepos_t position, float times)
 
                begin_reversible_command (Operations::paste);
 
-               for (nth = 0, i = ts.begin(); i != ts.end(); ++i, ++nth) {
-                       (*i)->paste (position, times, *cut_buffer, nth);
+               ItemCounts counts;
+               for (TrackViewList::iterator i = ts.begin(); i != ts.end(); ++i) {
+                       (*i)->paste (position, paste_count, times, *cut_buffer, counts);
                }
 
                commit_reversible_command ();
@@ -4793,8 +4850,8 @@ Editor::apply_midi_note_edit_op_to_region (MidiOperator& op, MidiRegionView& mrv
        vector<Evoral::Sequence<Evoral::MusicalTime>::Notes> v;
        v.push_back (selected);
 
-       framepos_t pos_frames = mrv.midi_region()->position() - mrv.midi_region()->start();
-       double     pos_beats  = _session->tempo_map().framewalk_to_beats(0, pos_frames);
+       framepos_t          pos_frames = mrv.midi_region()->position() - mrv.midi_region()->start();
+       Evoral::MusicalTime pos_beats  = _session->tempo_map().framewalk_to_beats(0, pos_frames);
 
        return op (mrv.midi_region()->model(), pos_beats, v);
 }
@@ -4907,7 +4964,7 @@ Editor::quantize_region ()
        qd->hide ();
 
        if (r == Gtk::RESPONSE_OK) {
-               Quantize quant (*_session, qd->snap_start(), qd->snap_end(),
+               Quantize quant (qd->snap_start(), qd->snap_end(),
                                qd->start_grid_size(), qd->end_grid_size(),
                                qd->strength(), qd->swing(), qd->threshold());
 
@@ -4932,7 +4989,7 @@ Editor::insert_patch_change (bool from_context)
        */
        MidiRegionView* first = dynamic_cast<MidiRegionView*> (rs.front ());
 
-       Evoral::PatchChange<Evoral::MusicalTime> empty (0, 0, 0, 0);
+       Evoral::PatchChange<Evoral::MusicalTime> empty (Evoral::MusicalTime(), 0, 0, 0);
         PatchChangeDialog d (0, _session, empty, first->instrument_info(), Gtk::Stock::ADD);
 
        if (d.run() == RESPONSE_CANCEL) {
@@ -5286,6 +5343,22 @@ Editor::toggle_solo_isolate ()
 {
 }
 
+
+void
+Editor::fade_range ()
+{
+       TrackViewList ts = selection->tracks.filter_to_unique_playlists ();
+
+       begin_reversible_command (_("fade range"));
+
+       for (TrackViewList::iterator i = ts.begin(); i != ts.end(); ++i) {
+               (*i)->fade_range (selection->time);
+       }
+
+       commit_reversible_command ();
+}
+
+
 void
 Editor::set_fade_length (bool in)
 {
@@ -5647,7 +5720,7 @@ Editor::select_next_route()
 
        selection->set(current);
 
-       ensure_time_axis_view_is_visible (*current);
+       ensure_time_axis_view_is_visible (*current, false);
 }
 
 void
@@ -5678,7 +5751,7 @@ Editor::select_prev_route()
 
        selection->set (current);
 
-       ensure_time_axis_view_is_visible (*current);
+       ensure_time_axis_view_is_visible (*current, false);
 }
 
 void
@@ -5694,8 +5767,8 @@ Editor::set_loop_from_selection (bool play)
        set_loop_range (start, end,  _("set loop range from selection"));
 
        if (play) {
-               _session->request_play_loop (true);
                _session->request_locate (start, true);
+               _session->request_play_loop (true);
        }
 }
 
@@ -5716,8 +5789,8 @@ Editor::set_loop_from_edit_range (bool play)
        set_loop_range (start, end,  _("set loop range from edit range"));
 
        if (play) {
-               _session->request_play_loop (true);
                _session->request_locate (start, true);
+               _session->request_play_loop (true);
        }
 }
 
@@ -5745,8 +5818,8 @@ Editor::set_loop_from_region (bool play)
        set_loop_range (start, end, _("set loop range from region"));
 
        if (play) {
-               _session->request_play_loop (true);
                _session->request_locate (start, true);
+               _session->request_play_loop (true);
        }
 }
 
@@ -6430,7 +6503,7 @@ Editor::playhead_forward_to_grid ()
        framepos_t pos = playhead_cursor->current_frame ();
        if (pos < max_framepos - 1) {
                pos += 2;
-               snap_to_internal (pos, 1, false);
+               snap_to_internal (pos, RoundUpAlways, false);
                _session->request_locate (pos);
        }
 }
@@ -6446,7 +6519,7 @@ Editor::playhead_backward_to_grid ()
        framepos_t pos = playhead_cursor->current_frame ();
        if (pos > 2) {
                pos -= 2;
-               snap_to_internal (pos, -1, false);
+               snap_to_internal (pos, RoundDownAlways, false);
                _session->request_locate (pos);
        }
 }
@@ -6542,6 +6615,7 @@ edit your ardour.rc file to set the\n\
                return;
        }
 
+       // XXX should be using gettext plural forms, maybe?
        if (ntracks > 1) {
                trackstr = _("tracks");
        } else {
@@ -6568,7 +6642,7 @@ edit your ardour.rc file to set the\n\
                }
        } else if (nbusses) {
                prompt  = string_compose (_("Do you really want to remove %1 %2?\n\n"
-                                           "This action cannot be undon, and the session file will be overwritten"),
+                                           "This action cannot be undone, and the session file will be overwritten"),
                                          nbusses, busstr);
        }
 
@@ -6594,6 +6668,7 @@ edit your ardour.rc file to set the\n\
 
        {
                Session::StateProtector sp (_session);
+               DisplaySuspender ds;
                for (vector<boost::shared_ptr<Route> >::iterator x = routes.begin(); x != routes.end(); ++x) {
                        _session->remove_route (*x);
                }
@@ -6776,6 +6851,7 @@ Editor::fit_selected_tracks ()
                         }
                 }
         }
+
 }
 
 void
@@ -6804,7 +6880,7 @@ Editor::fit_tracks (TrackViewList & tracks)
                  height that will be taken by visible children of selected
                  tracks - height of the ruler/hscroll area 
        */
-       uint32_t h = (uint32_t) floor ((_visible_canvas_height - (child_heights + _trackview_group->canvas_origin().y)) / visible_tracks);
+       uint32_t h = (uint32_t) floor ((trackviews_height() - child_heights) / visible_tracks);
        double first_y_pos = DBL_MAX;
 
        if (h < TimeAxisView::preset_height (HeightSmall)) {
@@ -6827,9 +6903,9 @@ Editor::fit_tracks (TrackViewList & tracks)
                }
        }
 
-       /* operate on all tracks, hide unselected ones that are in the middle of selected ones */
-
-       bool within_selected = false;
+       bool prev_was_selected = false;
+       bool is_selected = tracks.contains (all.front());
+       bool next_is_selected;
 
        for (TrackViewList::iterator t = all.begin(); t != all.end(); ++t) {
 
@@ -6837,16 +6913,26 @@ Editor::fit_tracks (TrackViewList & tracks)
 
                next = t;
                ++next;
-               
+
+               if (next != all.end()) {
+                       next_is_selected = tracks.contains (*next);
+               } else {
+                       next_is_selected = false;
+               }
+
                if ((*t)->marked_for_display ()) {
-                       if (tracks.contains (*t)) { 
+                       if (is_selected) {
                                (*t)->set_height (h);
                                first_y_pos = std::min ((*t)->y_position (), first_y_pos);
-                               within_selected = true;
-                       } else if (within_selected) {
-                               hide_track_in_display (*t);
+                       } else {
+                               if (prev_was_selected && next_is_selected) {
+                                       hide_track_in_display (*t);
+                               }
                        }
                }
+
+               prev_was_selected = is_selected;
+               is_selected = next_is_selected;
        }
 
        /*
@@ -6858,6 +6944,8 @@ Editor::fit_tracks (TrackViewList & tracks)
        vertical_adjustment.set_value (first_y_pos);
 
        redo_visual_stack.push_back (current_visual_state (true));
+
+       visible_tracks_selector.set_text (_("Sel"));
 }
 
 void
@@ -7042,7 +7130,7 @@ Editor::lock ()
 
                ArdourButton* b = manage (new ArdourButton);
                b->set_name ("lock button");
-               b->set_markup (string_compose ("<span size=\"large\" weight=\"bold\">%1</span>", _("Click to unlock")));
+               b->set_text (_("Click to unlock"));
                b->signal_clicked.connect (sigc::mem_fun (*this, &Editor::unlock));
                lock_dialog->get_vbox()->pack_start (*b);
                
@@ -7074,3 +7162,39 @@ Editor::unlock ()
                start_lock_event_timing ();
        }
 }
+
+void
+Editor::bring_in_callback (Gtk::Label* label, uint32_t n, uint32_t total, string name)
+{
+       Gtkmm2ext::UI::instance()->call_slot (invalidator (*this), boost::bind (&Editor::update_bring_in_message, this, label, n, total, name));
+}
+
+void
+Editor::update_bring_in_message (Gtk::Label* label, uint32_t n, uint32_t total, string name)
+{
+       label->set_text (string_compose ("Copying %1, %2 of %3", name, n, total));
+       Gtkmm2ext::UI::instance()->flush_pending ();
+}
+
+void
+Editor::bring_all_sources_into_session ()
+{
+       if (!_session) {
+               return;
+       }
+
+       Gtk::Label msg;
+       ArdourDialog w (_("Moving embedded files into session folder"));
+       w.get_vbox()->pack_start (msg);
+       w.present ();
+       
+       /* flush all pending GUI events because we're about to start copying
+        * files
+        */
+       
+       Gtkmm2ext::UI::instance()->flush_pending ();
+
+       cerr << " Do it\n";
+
+       _session->bring_all_sources_into_session (boost::bind (&Editor::bring_in_callback, this, &msg, _1, _2, _3));
+}