Skip non active and hidden tracks with prev/next track. Also prevent ensuring the...
[ardour.git] / gtk2_ardour / editor_ops.cc
index a67a5f4557bd91b80a8a2c0b0ca43d2381877228..b4cb4c688c69f7bffc09f221971e715e4abfacda 100644 (file)
@@ -34,6 +34,8 @@
 #include <gtkmm2ext/utils.h>
 #include <gtkmm2ext/choice.h>
 #include <gtkmm2ext/window_title.h>
+#include <gtkmm2ext/popup.h>
+
 
 #include <ardour/audioengine.h>
 #include <ardour/session.h>
@@ -59,6 +61,7 @@
 #include "audio_time_axis.h"
 #include "automation_time_axis.h"
 #include "streamview.h"
+#include "audio_streamview.h"
 #include "audio_region_view.h"
 #include "rgb_macros.h"
 #include "selection_templates.h"
@@ -106,7 +109,7 @@ Editor::split_region ()
 }
 
 void
-Editor::split_region_at (nframes_t where)
+Editor::split_region_at (nframes64_t where)
 {
        RegionSelection rs;
 
@@ -115,7 +118,7 @@ Editor::split_region_at (nframes_t where)
 }
 
 void
-Editor::split_regions_at (nframes_t where, RegionSelection& regions)
+Editor::split_regions_at (nframes64_t where, RegionSelection& regions)
 {
        if (regions.empty()) {
                return;
@@ -138,7 +141,8 @@ Editor::split_regions_at (nframes_t where, RegionSelection& regions)
        } else {
                snap_to (where);
        }
-               
+
+       cerr << "Split " << regions.size() << " at " << where << endl;
 
        for (RegionSelection::iterator a = regions.begin(); a != regions.end(); ) {
 
@@ -196,46 +200,50 @@ Editor::remove_clicked_region ()
 }
 
 void
-Editor::destroy_clicked_region ()
+Editor::remove_region ()
 {
-       uint32_t selected = selection->regions.size();
-
-       if (!session || !selected) {
-               return;
-       }
 
-       vector<string> choices;
-       string prompt;
+       RegionSelection rs; 
+       get_regions_for_action (rs);
        
-       prompt  = string_compose (_(" This is destructive, will possibly delete audio files\n\
-It cannot be undone\n\
-Do you really want to destroy %1 ?"),
-                          (selected > 1 ? 
-                           _("these regions") : _("this region")));
-
-       choices.push_back (_("No, do nothing."));
-
-       if (selected > 1) {
-               choices.push_back (_("Yes, destroy them."));
-       } else {
-               choices.push_back (_("Yes, destroy it."));
+       if (!session) {
+               return;
        }
 
-       Gtkmm2ext::Choice prompter (prompt, choices);
-       
-       if (prompter.run() == 0) { /* first choice */
+       if (rs.empty()) {
                return;
        }
 
-       if (selected) {
-               list<boost::shared_ptr<Region> > r;
+       begin_reversible_command (_("remove region"));
 
-               for (RegionSelection::iterator i = selection->regions.begin(); i != selection->regions.end(); ++i) {
-                       r.push_back ((*i)->region());
-               }
+       list<boost::shared_ptr<Region> > regions_to_remove;
 
-               session->destroy_regions (r);
-       } 
+       for (RegionSelection::iterator i = rs.begin(); i != rs.end(); ++i) {
+               // we can't just remove the region(s) in this loop because
+               // this removes them from the RegionSelection, and they thus
+               // disappear from underneath the iterator, and the ++i above
+               // SEGVs in a puzzling fashion.
+
+               // so, first iterate over the regions to be removed from rs and
+               // add them to the regions_to_remove list, and then
+               // iterate over the list to actually remove them.
+               
+               regions_to_remove.push_back ((*i)->region());
+       }
+       
+       for (list<boost::shared_ptr<Region> >::iterator rl = regions_to_remove.begin(); rl != regions_to_remove.end(); ++rl) {
+               boost::shared_ptr<Playlist> playlist = (*rl)->playlist();
+               if (!playlist) {
+                       // is this check necessary?
+                       continue;
+               }
+
+               XMLNode &before = playlist->get_state();
+               playlist->remove_region (*rl);
+               XMLNode &after = playlist->get_state();
+               session->add_command(new MementoCommand<Playlist>(*playlist, &before, &after));
+       }
+       commit_reversible_command ();
 }
 
 boost::shared_ptr<Region>
@@ -243,7 +251,7 @@ Editor::select_region_for_operation (int dir, TimeAxisView **tv)
 {
        RegionView* rv;
        boost::shared_ptr<Region> region;
-       nframes_t start = 0;
+       nframes64_t start = 0;
 
        if (selection->time.start () == selection->time.end_frame ()) {
                
@@ -286,7 +294,7 @@ Editor::extend_selection_to_end_of_region (bool next)
 {
        TimeAxisView *tv;
        boost::shared_ptr<Region> region;
-       nframes_t start;
+       nframes64_t start;
 
        if ((region = select_region_for_operation (next ? 1 : 0, &tv)) == 0) {
                return;
@@ -314,7 +322,7 @@ Editor::extend_selection_to_start_of_region (bool previous)
 {
        TimeAxisView *tv;
        boost::shared_ptr<Region> region;
-       nframes_t end;
+       nframes64_t end;
 
        if ((region = select_region_for_operation (previous ? -1 : 0, &tv)) == 0) {
                return;
@@ -363,8 +371,8 @@ Editor::nudge_backward_release (GdkEventButton* ev)
 void
 Editor::nudge_forward (bool next, bool force_playhead)
 {
-       nframes_t distance;
-       nframes_t next_distance;
+       nframes64_t distance;
+       nframes64_t next_distance;
        RegionSelection rs; 
 
        get_regions_for_action (rs);
@@ -396,40 +404,45 @@ Editor::nudge_forward (bool next, bool force_playhead)
        } else if (!force_playhead && !selection->markers.empty()) {
 
                bool is_start;
-               Location* loc = find_location_from_marker (selection->markers.front(), is_start);
-
-               if (loc) {
-
-                       begin_reversible_command (_("nudge location forward"));
-
-                       XMLNode& before (loc->get_state());
 
-                       if (is_start) {
-                               distance = get_nudge_distance (loc->start(), next_distance);
-                               if (next) {
-                                       distance = next_distance;
-                               }
-                               if (max_frames - distance > loc->start() + loc->length()) {
-                                       loc->set_start (loc->start() + distance);
-                               } else {
-                                       loc->set_start (max_frames - loc->length());
-                               }
-                       } else {
-                               distance = get_nudge_distance (loc->end(), next_distance);
-                               if (next) {
-                                       distance = next_distance;
-                               }
-                               if (max_frames - distance > loc->end()) {
-                                       loc->set_end (loc->end() + distance);
+               begin_reversible_command (_("nudge location forward"));
+               
+               for (MarkerSelection::iterator i = selection->markers.begin(); i != selection->markers.end(); ++i) {
+                       
+                       Location* loc = find_location_from_marker ((*i), is_start);
+                       
+                       if (loc) {
+                               
+                               XMLNode& before (loc->get_state());
+                               
+                               if (is_start) {
+                                       distance = get_nudge_distance (loc->start(), next_distance);
+                                       if (next) {
+                                               distance = next_distance;
+                                       }
+                                       if (max_frames - distance > loc->start() + loc->length()) {
+                                               loc->set_start (loc->start() + distance);
+                                       } else {
+                                               loc->set_start (max_frames - loc->length());
+                                       }
                                } else {
-                                       loc->set_end (max_frames);
+                                       distance = get_nudge_distance (loc->end(), next_distance);
+                                       if (next) {
+                                               distance = next_distance;
+                                       }
+                                       if (max_frames - distance > loc->end()) {
+                                               loc->set_end (loc->end() + distance);
+                                       } else {
+                                               loc->set_end (max_frames);
+                                       }
                                }
+                               XMLNode& after (loc->get_state());
+                               session->add_command (new MementoCommand<Location>(*loc, &before, &after));
                        }
-                       XMLNode& after (loc->get_state());
-                       session->add_command (new MementoCommand<Location>(*loc, &before, &after));
-                       commit_reversible_command ();
                }
                
+               commit_reversible_command ();
+               
        } else {
                distance = get_nudge_distance (playhead_cursor->current_frame, next_distance);
                session->request_locate (playhead_cursor->current_frame + distance);
@@ -439,8 +452,8 @@ Editor::nudge_forward (bool next, bool force_playhead)
 void
 Editor::nudge_backward (bool next, bool force_playhead)
 {
-       nframes_t distance;
-       nframes_t next_distance;
+       nframes64_t distance;
+       nframes64_t next_distance;
        RegionSelection rs; 
 
        get_regions_for_action (rs);
@@ -476,41 +489,48 @@ Editor::nudge_backward (bool next, bool force_playhead)
        } else if (!force_playhead && !selection->markers.empty()) {
 
                bool is_start;
-               Location* loc = find_location_from_marker (selection->markers.front(), is_start);
 
-               if (loc) {
-
-                       begin_reversible_command (_("nudge location forward"));
-                       XMLNode& before (loc->get_state());
-
-                       if (is_start) {
-                               distance = get_nudge_distance (loc->start(), next_distance);
-                               if (next) {
-                                       distance = next_distance;
-                               }
-                               if (distance < loc->start()) {
-                                       loc->set_start (loc->start() - distance);
-                               } else {
-                                       loc->set_start (0);
-                               }
-                       } else {
-                               distance = get_nudge_distance (loc->end(), next_distance);
+               begin_reversible_command (_("nudge location forward"));
 
-                               if (next) {
-                                       distance = next_distance;
-                               }
+               for (MarkerSelection::iterator i = selection->markers.begin(); i != selection->markers.end(); ++i) {
 
-                               if (distance < loc->end() - loc->length()) {
-                                       loc->set_end (loc->end() - distance);
+                       Location* loc = find_location_from_marker ((*i), is_start);
+                       
+                       if (loc) {
+                               
+                               XMLNode& before (loc->get_state());
+                       
+                               if (is_start) {
+                                       distance = get_nudge_distance (loc->start(), next_distance);
+                                       if (next) {
+                                               distance = next_distance;
+                                       }
+                                       if (distance < loc->start()) {
+                                               loc->set_start (loc->start() - distance);
+                                       } else {
+                                               loc->set_start (0);
+                                       }
                                } else {
-                                       loc->set_end (loc->length());
+                                       distance = get_nudge_distance (loc->end(), next_distance);
+                                       
+                                       if (next) {
+                                               distance = next_distance;
+                                       }
+                                       
+                                       if (distance < loc->end() - loc->length()) {
+                                               loc->set_end (loc->end() - distance);
+                                       } else {
+                                               loc->set_end (loc->length());
+                                       }
                                }
+                               
+                               XMLNode& after (loc->get_state());
+                               session->add_command (new MementoCommand<Location>(*loc, &before, &after));
                        }
-
-                       XMLNode& after (loc->get_state());
-                       session->add_command (new MementoCommand<Location>(*loc, &before, &after));
                }
-               
+
+               commit_reversible_command ();
+                       
        } else {
 
                distance = get_nudge_distance (playhead_cursor->current_frame, next_distance);
@@ -526,7 +546,7 @@ Editor::nudge_backward (bool next, bool force_playhead)
 void
 Editor::nudge_forward_capture_offset ()
 {
-       nframes_t distance;
+       nframes64_t distance;
        RegionSelection rs; 
 
        get_regions_for_action (rs);
@@ -556,7 +576,7 @@ Editor::nudge_forward_capture_offset ()
 void
 Editor::nudge_backward_capture_offset ()
 {
-       nframes_t distance;
+       nframes64_t distance;
        RegionSelection rs; 
 
        get_regions_for_action (rs);
@@ -605,7 +625,7 @@ Editor::move_to_end ()
 void
 Editor::build_region_boundary_cache ()
 {
-       nframes_t pos = 0;
+       nframes64_t pos = 0;
        vector<RegionPoint> interesting_points;
        boost::shared_ptr<Region> r;
        TrackViewList tracks;
@@ -648,8 +668,8 @@ Editor::build_region_boundary_cache ()
 
        while (pos < session->current_end_frame() && !at_end) {
 
-               nframes_t rpos;
-               nframes_t lpos = max_frames;
+               nframes64_t rpos;
+               nframes64_t lpos = max_frames;
 
                for (vector<RegionPoint>::iterator p = interesting_points.begin(); p != interesting_points.end(); ++p) {
 
@@ -697,7 +717,7 @@ Editor::build_region_boundary_cache ()
                           to sort later.
                        */
 
-                       vector<nframes_t>::iterator ri; 
+                       vector<nframes64_t>::iterator ri; 
                        
                        for (ri = region_boundary_cache.begin(); ri != region_boundary_cache.end(); ++ri) {
                                if (*ri == rpos) {
@@ -719,20 +739,20 @@ Editor::build_region_boundary_cache ()
 }
 
 boost::shared_ptr<Region>
-Editor::find_next_region (nframes_t frame, RegionPoint point, int32_t dir, TrackViewList& tracks, TimeAxisView **ontrack)
+Editor::find_next_region (nframes64_t frame, RegionPoint point, int32_t dir, TrackViewList& tracks, TimeAxisView **ontrack)
 {
        TrackViewList::iterator i;
-       nframes_t closest = max_frames;
+       nframes64_t closest = max_frames;
        boost::shared_ptr<Region> ret;
-       nframes_t rpos = 0;
+       nframes64_t rpos = 0;
 
        float track_speed;
-       nframes_t track_frame;
+       nframes64_t track_frame;
        AudioTimeAxisView *atav;
 
        for (i = tracks.begin(); i != tracks.end(); ++i) {
 
-               nframes_t distance;
+               nframes64_t distance;
                boost::shared_ptr<Region> r;
                
                track_speed = 1.0f;
@@ -864,7 +884,7 @@ void
 Editor::cursor_to_region_point (Cursor* cursor, RegionPoint point, int32_t dir)
 {
        boost::shared_ptr<Region> r;
-       nframes_t pos = cursor->current_frame;
+       nframes64_t pos = cursor->current_frame;
 
        if (!session) {
                return;
@@ -943,7 +963,7 @@ Editor::cursor_to_previous_region_point (Cursor* cursor, RegionPoint point)
 void
 Editor::cursor_to_selection_start (Cursor *cursor)
 {
-       nframes_t pos = 0;
+       nframes64_t pos = 0;
        RegionSelection rs; 
 
        get_regions_for_action (rs);
@@ -975,7 +995,7 @@ Editor::cursor_to_selection_start (Cursor *cursor)
 void
 Editor::cursor_to_selection_end (Cursor *cursor)
 {
-       nframes_t pos = 0;
+       nframes64_t pos = 0;
        RegionSelection rs; 
 
        get_regions_for_action (rs);
@@ -1069,7 +1089,7 @@ void
 Editor::selected_marker_to_region_point (RegionPoint point, int32_t dir)
 {
        boost::shared_ptr<Region> r;
-       nframes_t pos;
+       nframes64_t pos;
        Location* loc;
        bool ignored;
 
@@ -1152,7 +1172,7 @@ Editor::selected_marker_to_previous_region_point (RegionPoint point)
 void
 Editor::selected_marker_to_selection_start ()
 {
-       nframes_t pos = 0;
+       nframes64_t pos = 0;
        Location* loc;
        bool ignored;
 
@@ -1191,7 +1211,7 @@ Editor::selected_marker_to_selection_start ()
 void
 Editor::selected_marker_to_selection_end ()
 {
-       nframes_t pos = 0;
+       nframes64_t pos = 0;
        Location* loc;
        bool ignored;
 
@@ -1230,8 +1250,8 @@ Editor::selected_marker_to_selection_end ()
 void
 Editor::scroll_playhead (bool forward)
 {
-       nframes_t pos = playhead_cursor->current_frame;
-       nframes_t delta = (nframes_t) floor (current_page_frames() / 0.8);
+       nframes64_t pos = playhead_cursor->current_frame;
+       nframes64_t delta = (nframes64_t) floor (current_page_frames() / 0.8);
 
        if (forward) {
                if (pos == max_frames) {
@@ -1263,8 +1283,8 @@ Editor::scroll_playhead (bool forward)
 void
 Editor::playhead_backward ()
 {
-       nframes_t pos;
-       nframes_t cnt;
+       nframes64_t pos;
+       nframes64_t cnt;
        float prefix;
        bool was_floating;
 
@@ -1272,15 +1292,15 @@ Editor::playhead_backward ()
                cnt = 1;
        } else {
                if (was_floating) {
-                       cnt = (nframes_t) floor (prefix * session->frame_rate ());
+                       cnt = (nframes64_t) floor (prefix * session->frame_rate ());
                } else {
-                       cnt = (nframes_t) prefix;
+                       cnt = (nframes64_t) prefix;
                }
        }
 
        pos = playhead_cursor->current_frame;
 
-       if ((nframes_t) pos < cnt) {
+       if ((nframes64_t) pos < cnt) {
                pos = 0;
        } else {
                pos -= cnt;
@@ -1297,8 +1317,8 @@ Editor::playhead_backward ()
 void
 Editor::playhead_forward ()
 {
-       nframes_t pos;
-       nframes_t cnt;
+       nframes64_t pos;
+       nframes64_t cnt;
        bool was_floating;
        float prefix;
 
@@ -1306,9 +1326,9 @@ Editor::playhead_forward ()
                cnt = 1;
        } else {
                if (was_floating) {
-                       cnt = (nframes_t) floor (prefix * session->frame_rate ());
+                       cnt = (nframes64_t) floor (prefix * session->frame_rate ());
                } else {
-                       cnt = (nframes_t) floor (prefix);
+                       cnt = (nframes64_t) floor (prefix);
                }
        }
 
@@ -1368,9 +1388,9 @@ Editor::edit_cursor_backward ()
                cnt = 1;
        } else {
                if (was_floating) {
-                       cnt = (nframes_t) floor (prefix * session->frame_rate ());
+                       cnt = (nframes64_t) floor (prefix * session->frame_rate ());
                } else {
-                       cnt = (nframes_t) prefix;
+                       cnt = (nframes64_t) prefix;
                }
        }
 
@@ -1390,8 +1410,8 @@ Editor::edit_cursor_backward ()
 void
 Editor::edit_cursor_forward ()
 {
-       //nframes_t pos;
-       nframes_t cnt;
+       //nframes64_t pos;
+       nframes64_t cnt;
        bool was_floating;
        float prefix;
 
@@ -1399,9 +1419,9 @@ Editor::edit_cursor_forward ()
                cnt = 1;
        } else {
                if (was_floating) {
-                       cnt = (nframes_t) floor (prefix * session->frame_rate ());
+                       cnt = (nframes64_t) floor (prefix * session->frame_rate ());
                } else {
-                       cnt = (nframes_t) floor (prefix);
+                       cnt = (nframes64_t) floor (prefix);
                }
        }
 
@@ -1414,16 +1434,16 @@ Editor::goto_frame ()
 {
        float prefix;
        bool was_floating;
-       nframes_t frame;
+       nframes64_t frame;
 
        if (get_prefix (prefix, was_floating)) {
                return;
        }
 
        if (was_floating) {
-               frame = (nframes_t) floor (prefix * session->frame_rate());
+               frame = (nframes64_t) floor (prefix * session->frame_rate());
        } else {
-               frame = (nframes_t) floor (prefix);
+               frame = (nframes64_t) floor (prefix);
        }
 
        session->request_locate (frame);
@@ -1432,19 +1452,19 @@ Editor::goto_frame ()
 void
 Editor::scroll_backward (float pages)
 {
-       nframes_t frame;
-       nframes_t one_page = (nframes_t) rint (canvas_width * frames_per_unit);
+       nframes64_t frame;
+       nframes64_t one_page = (nframes64_t) rint (canvas_width * frames_per_unit);
        bool was_floating;
        float prefix;
-       nframes_t cnt;
+       nframes64_t cnt;
        
        if (get_prefix (prefix, was_floating)) {
-               cnt = (nframes_t) floor (pages * one_page);
+               cnt = (nframes64_t) floor (pages * one_page);
        } else {
                if (was_floating) {
-                       cnt = (nframes_t) floor (prefix * session->frame_rate());
+                       cnt = (nframes64_t) floor (prefix * session->frame_rate());
                } else {
-                       cnt = (nframes_t) floor (prefix * one_page);
+                       cnt = (nframes64_t) floor (prefix * one_page);
                }
        }
 
@@ -1460,19 +1480,19 @@ Editor::scroll_backward (float pages)
 void
 Editor::scroll_forward (float pages)
 {
-       nframes_t frame;
-       nframes_t one_page = (nframes_t) rint (canvas_width * frames_per_unit);
+       nframes64_t frame;
+       nframes64_t one_page = (nframes64_t) rint (canvas_width * frames_per_unit);
        bool was_floating;
        float prefix;
-       nframes_t cnt;
+       nframes64_t cnt;
        
        if (get_prefix (prefix, was_floating)) {
-               cnt = (nframes_t) floor (pages * one_page);
+               cnt = (nframes64_t) floor (pages * one_page);
        } else {
                if (was_floating) {
-                       cnt = (nframes_t) floor (prefix * session->frame_rate());
+                       cnt = (nframes64_t) floor (prefix * session->frame_rate());
                } else {
-                       cnt = (nframes_t) floor (prefix * one_page);
+                       cnt = (nframes64_t) floor (prefix * one_page);
                }
        }
 
@@ -1527,7 +1547,7 @@ Editor::scroll_tracks_down_line ()
 {
 
         Gtk::Adjustment* adj = edit_vscrollbar.get_adjustment();
-       double vert_value = adj->get_value() + 20;
+       double vert_value = adj->get_value() + 60;
 
        if (vert_value>adj->get_upper() - canvas_height) {
                vert_value = adj->get_upper() - canvas_height;
@@ -1539,7 +1559,7 @@ void
 Editor::scroll_tracks_up_line ()
 {
         Gtk::Adjustment* adj = edit_vscrollbar.get_adjustment();
-       adj->set_value (adj->get_value() - 20);
+       adj->set_value (adj->get_value() - 60);
 }
 
 /* ZOOM */
@@ -1587,7 +1607,7 @@ Editor::temporal_zoom (gdouble fpu)
 
        nfpu = fpu;
        
-       new_page_size = (nframes_t) floor (canvas_width * nfpu);
+       new_page_size = (nframes64_t) floor (canvas_width * nfpu);
        half_page_size = new_page_size / 2;
 
        switch (zoom_focus) {
@@ -1694,7 +1714,6 @@ Editor::temporal_zoom_region (bool both_axes)
        nframes64_t end = 0;
        RegionSelection rs; 
        set<TimeAxisView*> tracks;
-       double top_y_position = DBL_MAX;
 
        get_regions_for_action (rs);
 
@@ -1713,10 +1732,6 @@ Editor::temporal_zoom_region (bool both_axes)
                }
 
                tracks.insert (&((*i)->get_time_axis_view()));
-
-               if ((*i)->get_time_axis_view().y_position < top_y_position) {
-                       top_y_position = (*i)->get_time_axis_view().y_position;
-               }
        }
 
        /* now comes an "interesting" hack ... make sure we leave a little space
@@ -1729,8 +1744,15 @@ Editor::temporal_zoom_region (bool both_axes)
        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;
-       nframes_t extra_samples = unit_to_frame (one_centimeter_in_pixels);
-       
+
+       if ((start == 0 && end == 0) || end < start) {
+               return;
+       }
+
+       nframes64_t range = end - start;
+       double new_fpu = (double)range / (double)canvas_width;
+       nframes64_t extra_samples = (nframes64_t) floor (one_centimeter_in_pixels * new_fpu);
+
        if (start > extra_samples) {
                start -= extra_samples;
        } else {
@@ -1743,15 +1765,23 @@ Editor::temporal_zoom_region (bool both_axes)
                end = max_frames;
        }
 
+       if (both_axes) {
+               /* save visual state with track states included, and prevent
+                  set_frames_per_unit() from doing it again.
+               */
+               undo_visual_stack.push_back (current_visual_state(true));
+               no_save_visual = true;
+       }
+
        temporal_zoom_by_frame (start, end, "zoom to region");
 
        if (both_axes) {
-               double per_track_height = (canvas_height - 10.0) / tracks.size();
+               uint32_t per_track_height = (uint32_t) floor ((canvas_height - canvas_timebars_vsize - 10.0) / tracks.size());
                
                /* set visible track heights appropriately */
                
                for (set<TimeAxisView*>::iterator t = tracks.begin(); t != tracks.end(); ++t) {
-                       (*t)->set_height_scaling_factor (per_track_height/(*t)->height);
+                       (*t)->set_height (per_track_height);
                }
                
                /* hide irrelevant tracks */
@@ -1767,10 +1797,12 @@ Editor::temporal_zoom_region (bool both_axes)
                no_route_list_redisplay = false;
                redisplay_route_list ();
 
-               vertical_adjustment.set_value (std::max (top_y_position - 5.0, 0.0));
+               vertical_adjustment.set_value (0);
+               no_save_visual = false;
        }
 
        zoomed_to_region = true;
+       redo_visual_stack.push_back (current_visual_state());
 }
 
 void
@@ -1792,8 +1824,8 @@ Editor::temporal_zoom_selection ()
                return;
        }
 
-       nframes_t start = selection->time[clicked_selection].start;
-       nframes_t end = selection->time[clicked_selection].end;
+       nframes64_t start = selection->time[clicked_selection].start;
+       nframes64_t end = selection->time[clicked_selection].end;
 
        temporal_zoom_by_frame (start, end, "zoom to selection");
 }
@@ -1809,7 +1841,7 @@ Editor::temporal_zoom_session ()
 }
 
 void
-Editor::temporal_zoom_by_frame (nframes_t start, nframes_t end, const string & op)
+Editor::temporal_zoom_by_frame (nframes64_t start, nframes64_t end, const string & op)
 {
        if (!session) return;
 
@@ -1817,35 +1849,27 @@ Editor::temporal_zoom_by_frame (nframes_t start, nframes_t end, const string & o
                return;
        }
 
-       nframes_t range = end - start;
+       nframes64_t range = end - start;
 
        double new_fpu = (double)range / (double)canvas_width;
-//     double p2 = 1.0;
-
-//     while (p2 < new_fpu) {
-//             p2 *= 2.0;
-//     }
-//     new_fpu = p2;
        
-       nframes_t new_page = (nframes_t) floor (canvas_width * new_fpu);
-       nframes_t middle = (nframes_t) floor( (double)start + ((double)range / 2.0f ));
-       nframes_t new_leftmost = (nframes_t) floor( (double)middle - ((double)new_page/2.0f));
-
-       if (new_leftmost > middle) new_leftmost = 0;
+       nframes64_t new_page = (nframes64_t) floor (canvas_width * new_fpu);
+       nframes64_t middle = (nframes64_t) floor( (double)start + ((double)range / 2.0f ));
+       nframes64_t new_leftmost = (nframes64_t) floor( (double)middle - ((double)new_page/2.0f));
 
-//     begin_reversible_command (op);
-//     session->add_undo (bind (mem_fun(*this, &Editor::reposition_and_zoom), leftmost_frame, frames_per_unit));
-//     session->add_redo (bind (mem_fun(*this, &Editor::reposition_and_zoom), new_leftmost, new_fpu));
-//     commit_reversible_command ();
+       if (new_leftmost > middle) {
+               new_leftmost = 0;
+       }
 
        reposition_and_zoom (new_leftmost, new_fpu);
 }
 
 void 
-Editor::temporal_zoom_to_frame (bool coarser, nframes_t frame)
+Editor::temporal_zoom_to_frame (bool coarser, nframes64_t frame)
 {
-       if (!session) return;
-       
+       if (!session) {
+               return;
+       }
        double range_before = frame - leftmost_frame;
        double new_fpu;
        
@@ -1859,12 +1883,15 @@ Editor::temporal_zoom_to_frame (bool coarser, nframes_t frame)
                range_before /= 1.61803399;
        }
 
-       if (new_fpu == frames_per_unit) return;
-
-       nframes_t new_leftmost = frame - (nframes_t)range_before;
+       if (new_fpu == frames_per_unit)  {
+               return;
+       }
 
-       if (new_leftmost > frame) new_leftmost = 0;
+       nframes64_t new_leftmost = frame - (nframes64_t)range_before;
 
+       if (new_leftmost > frame) {
+               new_leftmost = 0;
+       }
 //     begin_reversible_command (_("zoom to frame"));
 //     session->add_undo (bind (mem_fun(*this, &Editor::reposition_and_zoom), leftmost_frame, frames_per_unit));
 //     session->add_redo (bind (mem_fun(*this, &Editor::reposition_and_zoom), new_leftmost, new_fpu));
@@ -1926,8 +1953,8 @@ Editor::add_location_from_selection ()
                return;
        }
 
-       nframes_t start = selection->time[clicked_selection].start;
-       nframes_t end = selection->time[clicked_selection].end;
+       nframes64_t start = selection->time[clicked_selection].start;
+       nframes64_t end = selection->time[clicked_selection].end;
 
        session->locations()->next_available_name(rangename,"selection");
        Location *location = new Location (start, end, rangename, Location::IsRangeMarker);
@@ -2079,7 +2106,7 @@ Editor::jump_backward_to_mark ()
 void
 Editor::set_mark ()
 {
-       nframes_t pos;
+       nframes64_t pos;
        float prefix;
        bool was_floating;
        string markername;
@@ -2088,9 +2115,9 @@ Editor::set_mark ()
                pos = session->audible_frame ();
        } else {
                if (was_floating) {
-                       pos = (nframes_t) floor (prefix * session->frame_rate ());
+                       pos = (nframes64_t) floor (prefix * session->frame_rate ());
                } else {
-                       pos = (nframes_t) floor (prefix);
+                       pos = (nframes64_t) floor (prefix);
                }
        }
 
@@ -2177,13 +2204,13 @@ Editor::insert_region_list_drag (boost::shared_ptr<AudioRegion> region, int x, i
        double wx, wy;
        double cx, cy;
        TimeAxisView *tv;
-       nframes_t where;
+       nframes64_t where;
        AudioTimeAxisView *atv = 0;
        boost::shared_ptr<Playlist> playlist;
        
        track_canvas->window_to_world (x, y, wx, wy);
-       wx += horizontal_adjustment.get_value();
-       wy += vertical_adjustment.get_value();
+       //wx += horizontal_adjustment.get_value();
+       //wy += vertical_adjustment.get_value();
 
        GdkEvent event;
        event.type = GDK_BUTTON_RELEASE;
@@ -2593,6 +2620,11 @@ Editor::build_interthread_progress_window ()
 
        interthread_progress_bar.set_orientation (Gtk::PROGRESS_LEFT_TO_RIGHT);
        
+       interthread_progress_window->set_border_width (12);
+       interthread_progress_window->get_vbox()->set_spacing (6);
+
+       interthread_progress_label.set_alignment (0.5, 0.5);
+
        interthread_progress_window->get_vbox()->pack_start (interthread_progress_label, false, false);
        interthread_progress_window->get_vbox()->pack_start (interthread_progress_bar,false, false);
 
@@ -2625,17 +2657,17 @@ Editor::region_from_selection ()
                return;
        }
 
-       nframes_t start = selection->time[clicked_selection].start;
-       nframes_t end = selection->time[clicked_selection].end;
+       nframes64_t start = selection->time[clicked_selection].start;
+       nframes64_t end = selection->time[clicked_selection].end;
 
-       nframes_t selection_cnt = end - start + 1;
+       nframes64_t selection_cnt = end - start + 1;
        
        for (TrackSelection::iterator i = selection->tracks.begin(); i != selection->tracks.end(); ++i) {
                boost::shared_ptr<AudioRegion> current;
                boost::shared_ptr<Region> current_r;
                boost::shared_ptr<Playlist> pl;
 
-               nframes_t internal_start;
+               nframes64_t internal_start;
                string new_name;
 
                if ((pl = (*i)->playlist()) == 0) {
@@ -2663,8 +2695,8 @@ Editor::create_region_from_selection (vector<boost::shared_ptr<AudioRegion> >& n
                return;
        }
 
-       nframes_t start = selection->time[clicked_selection].start;
-       nframes_t end = selection->time[clicked_selection].end;
+       nframes64_t start = selection->time[clicked_selection].start;
+       nframes64_t end = selection->time[clicked_selection].end;
        
        sort_track_selection ();
 
@@ -2673,7 +2705,7 @@ Editor::create_region_from_selection (vector<boost::shared_ptr<AudioRegion> >& n
                boost::shared_ptr<AudioRegion> current;
                boost::shared_ptr<Region> current_r;
                boost::shared_ptr<Playlist> playlist;
-               nframes_t internal_start;
+               nframes64_t internal_start;
                string new_name;
 
                if ((playlist = (*i)->playlist()) == 0) {
@@ -2808,7 +2840,7 @@ Editor::separate_regions_between (const TimeSelection& ts)
                                                sigc::connection c = atv->view()->RegionViewAdded.connect (mem_fun(*this, &Editor::collect_new_region_view));
                                                latest_regionviews.clear ();
 
-                                               playlist->partition ((nframes_t)((*t).start * speed), (nframes_t)((*t).end * speed), true);
+                                               playlist->partition ((nframes64_t)((*t).start * speed), (nframes64_t)((*t).end * speed), true);
 
                                                c.disconnect ();
 
@@ -2925,7 +2957,7 @@ Editor::crop_region_to_selection ()
 }              
 
 void
-Editor::crop_region_to (nframes_t start, nframes_t end)
+Editor::crop_region_to (nframes64_t start, nframes64_t end)
 {
        vector<boost::shared_ptr<Playlist> > playlists;
        boost::shared_ptr<Playlist> playlist;
@@ -2963,9 +2995,9 @@ Editor::crop_region_to (nframes_t start, nframes_t end)
                return;
        }
                
-       nframes_t the_start;
-       nframes_t the_end;
-       nframes_t cnt;
+       nframes64_t the_start;
+       nframes64_t the_end;
+       nframes64_t cnt;
        
        begin_reversible_command (_("trim to selection"));
        
@@ -2983,7 +3015,7 @@ Editor::crop_region_to (nframes_t start, nframes_t end)
                   if the selection extends beyond the region
                */
                
-               the_start = max (the_start, region->position());
+               the_start = max (the_start, (nframes64_t) region->position());
                if (max_frames - the_start < region->length()) {
                        the_end = the_start + region->length() - 1;
                } else {
@@ -3004,7 +3036,7 @@ Editor::crop_region_to (nframes_t start, nframes_t end)
 void
 Editor::region_fill_track ()
 {
-       nframes_t end;
+       nframes64_t end;
        RegionSelection rs; 
 
        get_regions_for_action (rs);
@@ -3067,8 +3099,8 @@ Editor::region_fill_selection ()
        TreeModel::iterator i = region_list_display.get_selection()->get_selected();
        boost::shared_ptr<Region> region = (*i)[region_list_columns.region];
 
-       nframes_t start = selection->time[clicked_selection].start;
-       nframes_t end = selection->time[clicked_selection].end;
+       nframes64_t start = selection->time[clicked_selection].start;
+       nframes64_t end = selection->time[clicked_selection].end;
 
        boost::shared_ptr<Playlist> playlist; 
 
@@ -3076,7 +3108,7 @@ Editor::region_fill_selection ()
                return;
        }
 
-       nframes_t selection_length = end - start;
+       nframes64_t selection_length = end - start;
        float times = (float)selection_length / region->length();
        
        begin_reversible_command (_("fill selection"));
@@ -3136,15 +3168,23 @@ Editor::set_sync_point (nframes64_t where, const RegionSelection& rs)
 void
 Editor::remove_region_sync ()
 {
-       if (clicked_regionview) {
-               boost::shared_ptr<Region> region (clicked_regionview->region());
-               begin_reversible_command (_("remove sync"));
-                XMLNode &before = region->playlist()->get_state();
-               region->clear_sync_position ();
-                XMLNode &after = region->playlist()->get_state();
-               session->add_command(new MementoCommand<Playlist>(*(region->playlist()), &before, &after));
-               commit_reversible_command ();
+       RegionSelection rs; 
+
+       get_regions_for_action (rs);
+
+       if (rs.empty()) {
+               return;
+       }
+
+       begin_reversible_command (_("remove sync"));
+       for (RegionSelection::iterator i = rs.begin(); i != rs.end(); ++i) {
+
+                XMLNode &before = (*i)->region()->playlist()->get_state();
+               (*i)->region()->clear_sync_position ();
+                XMLNode &after = (*i)->region()->playlist()->get_state();
+               session->add_command(new MementoCommand<Playlist>(*((*i)->region()->playlist()), &before, &after));
        }
+       commit_reversible_command ();
 }
 
 void
@@ -3206,18 +3246,19 @@ struct RegionSortByTime {
 };
 
 void
-Editor::align_selection_relative (RegionPoint point, nframes_t position, const RegionSelection& rs)
+Editor::align_selection_relative (RegionPoint point, nframes64_t position, const RegionSelection& rs)
 {
        if (rs.empty()) {
                return;
        }
 
-       nframes_t distance;
-       nframes_t pos = 0;
-       int dir;
+       nframes64_t distance = 0;
+       nframes64_t pos = 0;
+       int dir = 1;
 
        list<RegionView*> sorted;
        rs.by_position (sorted);
+
        boost::shared_ptr<Region> r ((*sorted.begin())->region());
 
        switch (point) {
@@ -3225,7 +3266,6 @@ Editor::align_selection_relative (RegionPoint point, nframes_t position, const R
                pos = position;
                if (position > r->position()) {
                        distance = position - r->position();
-                       dir = 1;
                } else {
                        distance = r->position() - position;
                        dir = -1;
@@ -3236,7 +3276,6 @@ Editor::align_selection_relative (RegionPoint point, nframes_t position, const R
                if (position > r->last_frame()) {
                        distance = position - r->last_frame();
                        pos = r->position() + distance;
-                       dir = 1;
                } else {
                        distance = r->last_frame() - position;
                        pos = r->position() - distance;
@@ -3248,7 +3287,6 @@ Editor::align_selection_relative (RegionPoint point, nframes_t position, const R
                pos = r->adjust_to_sync (position);
                if (pos > r->position()) {
                        distance = pos - r->position();
-                       dir = 1;
                } else {
                        distance = r->position() - pos;
                        dir = -1;
@@ -3294,7 +3332,7 @@ Editor::align_selection_relative (RegionPoint point, nframes_t position, const R
 }
 
 void
-Editor::align_selection (RegionPoint point, nframes_t position, const RegionSelection& rs)
+Editor::align_selection (RegionPoint point, nframes64_t position, const RegionSelection& rs)
 {
        if (rs.empty()) {
                return;
@@ -3310,7 +3348,7 @@ Editor::align_selection (RegionPoint point, nframes_t position, const RegionSele
 }
 
 void
-Editor::align_region (boost::shared_ptr<Region> region, RegionPoint point, nframes_t position)
+Editor::align_region (boost::shared_ptr<Region> region, RegionPoint point, nframes64_t position)
 {
        begin_reversible_command (_("align region"));
        align_region_internal (region, point, position);
@@ -3318,7 +3356,7 @@ Editor::align_region (boost::shared_ptr<Region> region, RegionPoint point, nfram
 }
 
 void
-Editor::align_region_internal (boost::shared_ptr<Region> region, RegionPoint point, nframes_t position)
+Editor::align_region_internal (boost::shared_ptr<Region> region, RegionPoint point, nframes64_t position)
 {
        XMLNode &before = region->playlist()->get_state();
 
@@ -3394,8 +3432,8 @@ Editor::trim_region_to_location (const Location& loc, const char* str)
                }
 
                float speed = 1.0;
-               nframes_t start;
-               nframes_t end;
+               nframes64_t start;
+               nframes64_t end;
 
                if (atav->get_diskstream() != 0) {
                        speed = atav->get_diskstream()->speed();
@@ -3585,7 +3623,7 @@ Editor::freeze_route ()
 }
 
 void
-Editor::bounce_range_selection ()
+Editor::bounce_range_selection (bool replace)
 {
        if (selection->time.empty()) {
                return;
@@ -3593,9 +3631,9 @@ Editor::bounce_range_selection ()
 
        TrackSelection views = selection->tracks;
 
-       nframes_t start = selection->time[clicked_selection].start;
-       nframes_t end = selection->time[clicked_selection].end;
-       nframes_t cnt = end - start + 1;
+       nframes64_t start = selection->time[clicked_selection].start;
+       nframes64_t end = selection->time[clicked_selection].end;
+       nframes64_t cnt = end - start + 1;
 
        begin_reversible_command (_("bounce range"));
 
@@ -3620,7 +3658,15 @@ Editor::bounce_range_selection ()
                itt.progress = false;
 
                 XMLNode &before = playlist->get_state();
-               atv->audio_track()->bounce_range (start, cnt, itt);
+               boost::shared_ptr<Region> r = atv->audio_track()->bounce_range (start, start+cnt, itt);
+               
+               if (replace) {
+                       list<AudioRange> ranges;
+                       ranges.push_back (AudioRange (start, start+cnt, 0));
+                       playlist->cut (ranges); // discard result
+                       playlist->add_region (r, start);
+               }
+
                 XMLNode &after = playlist->get_state();
                session->add_command (new MementoCommand<Playlist> (*playlist, &before, &after));
        }
@@ -3658,6 +3704,19 @@ Editor::cut_copy (CutCopyOp op)
                opname = _("clear");
                break;
        }
+
+       /* if we're deleting something, and the mouse is still pressed,
+          the thing we started a drag for will be gone when we release
+          the mouse button(s). avoid this. see part 2 at the end of
+          this function.
+       */
+
+       if (op == Cut || op == Clear) {
+               if (drag_info.item) {
+                       drag_info.item->ungrab (0);
+                       drag_info.item = 0;
+               }
+       }
        
        cut_buffer->clear ();
 
@@ -3672,6 +3731,8 @@ Editor::cut_copy (CutCopyOp op)
                        Glib::signal_idle().connect (bind (mem_fun(*this, &Editor::really_remove_marker), loc));
                }
 
+               break_drag ();
+
                return;
        }
 
@@ -3736,6 +3797,11 @@ Editor::cut_copy (CutCopyOp op)
        default:
                break;
        }
+
+
+       if (op == Cut || op == Clear) {
+               break_drag ();
+       }
 }
 
 void
@@ -3778,7 +3844,7 @@ Editor::cut_copy_regions (CutCopyOp op, RegionSelection& rs)
 
        vector<PlaylistMapping> pmap;
 
-       nframes_t first_position = max_frames;
+       nframes64_t first_position = max_frames;
        
        set<PlaylistState, lt_playlist> freezelist;
        pair<set<PlaylistState, lt_playlist>::iterator,bool> insert_result;
@@ -3789,7 +3855,7 @@ Editor::cut_copy_regions (CutCopyOp op, RegionSelection& rs)
 
        for (RegionSelection::iterator x = rs.begin(); x != rs.end(); ++x) {
 
-               first_position = min ((*x)->region()->position(), first_position);
+               first_position = min ((nframes64_t) (*x)->region()->position(), first_position);
 
                if (op == Cut || op == Clear) {
                        boost::shared_ptr<AudioPlaylist> pl = boost::dynamic_pointer_cast<AudioPlaylist>((*x)->region()->playlist());
@@ -3945,7 +4011,7 @@ Editor::mouse_paste ()
 }
 
 void
-Editor::paste_internal (nframes_t position, float times)
+Editor::paste_internal (nframes64_t position, float times)
 {
        bool commit = false;
 
@@ -4164,9 +4230,9 @@ void
 Editor::nudge_track (bool use_edit, bool forwards)
 {
        boost::shared_ptr<Playlist> playlist; 
-       nframes_t distance;
-       nframes_t next_distance;
-       nframes_t start;
+       nframes64_t distance;
+       nframes64_t next_distance;
+       nframes64_t start;
 
        if (use_edit) {
                start = get_preferred_edit_position();
@@ -4433,6 +4499,7 @@ Editor::region_selection_op (void (Region::*pmf)(bool), bool yn)
 void
 Editor::external_edit_region ()
 {
+       // XXX shouldn't this use get_regions_for_action(rs) too?       
        if (!clicked_regionview) {
                return;
        }
@@ -4441,7 +4508,7 @@ Editor::external_edit_region ()
 }
 
 void
-Editor::brush (nframes_t pos)
+Editor::brush (nframes64_t pos)
 {
        RegionSelection sel;
        RegionSelection rs; 
@@ -4574,6 +4641,28 @@ Editor::toggle_region_opaque ()
        }
 }
 
+void
+Editor::toggle_record_enable ()
+{
+       bool new_state;
+       bool first = true;
+       for (TrackSelection::iterator i = selection->tracks.begin(); i != selection->tracks.end(); ++i) {
+               RouteTimeAxisView *rtav = dynamic_cast<RouteTimeAxisView *>(*i);
+               if (!rtav)
+                       continue;
+               if (!rtav->is_track())
+                       continue;
+
+               if (first) {
+                       new_state = !rtav->track()->record_enabled();
+                       first = false;
+               }
+
+               rtav->track()->set_record_enable(new_state, this);
+       }
+}
+
+
 void
 Editor::set_fade_length (bool in)
 {
@@ -4594,7 +4683,7 @@ Editor::set_fade_length (bool in)
        }
 
        nframes64_t pos = get_preferred_edit_position();
-       nframes_t len;
+       nframes64_t len;
        char* cmd;
        
        if (pos > rv->region()->last_frame() || pos < rv->region()->first_frame()) {
@@ -4665,7 +4754,7 @@ Editor::toggle_fade_active (bool in)
 
        const char* cmd = (in ? _("toggle fade in active") : _("toggle fade out active"));
        bool have_switch = false;
-       bool yn;
+       bool yn = false;
 
        begin_reversible_command (cmd);
 
@@ -4834,6 +4923,69 @@ Editor::set_fade_out_active (bool yn)
        commit_reversible_command ();
 }
 
+void
+Editor::toggle_selected_region_fades (int dir)
+{
+       RegionSelection rs;
+       RegionSelection::iterator i;
+       boost::shared_ptr<AudioRegion> ar;
+       bool yn;
+
+       get_regions_for_action (rs);
+       
+       if (rs.empty()) {
+               return;
+       }
+
+       for (i = rs.begin(); i != rs.end(); ++i) {
+               if ((ar = boost::dynamic_pointer_cast<AudioRegion>((*i)->region())) != 0) {
+                       if (dir == -1) {
+                               yn = ar->fade_out_active ();
+                       } else {
+                               yn = ar->fade_in_active ();
+                       }
+                       break;
+               }
+       }
+
+       if (i == rs.end()) {
+               return;
+       }
+
+       /* XXX should this undo-able? */
+
+       for (RegionSelection::iterator i = rs.begin(); i != rs.end(); ++i) {
+               if ((ar = boost::dynamic_pointer_cast<AudioRegion>((*i)->region())) == 0) {
+                       continue;
+               }
+               if (dir == 1 || dir == 0) {
+                       ar->set_fade_in_active (!yn);
+               }
+
+               if (dir == -1 || dir == 0) {
+                       ar->set_fade_out_active (!yn);
+               }
+       }
+}
+
+
+/** Update region fade visibility after its configuration has been changed */
+void
+Editor::update_region_fade_visibility ()
+{
+       bool _fade_visibility = Config->get_show_region_fades ();
+
+       for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
+               AudioTimeAxisView* v = dynamic_cast<AudioTimeAxisView*>(*i);
+               if (v) {
+                       if (_fade_visibility) {
+                               v->audio_view()->show_all_fades ();
+                       } else {
+                               v->audio_view()->hide_all_fades ();
+                       }
+               }
+       }
+}
 
 /** Update crossfade visibility after its configuration has been changed */
 void
@@ -4995,17 +5147,26 @@ Editor::select_next_route()
 
        TimeAxisView* current = selection->tracks.front();
 
-       for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
-               if (*i == current) {
-                       ++i;
-                       if (i != track_views.end()) {
-                               selection->set (*i);
-                       } else {
-                               selection->set (*(track_views.begin()));
+       RouteUI *rui;
+       do {
+               for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
+                       if (*i == current) {
+                               ++i;
+                               if (i != track_views.end()) {
+                                       current = (*i);
+                               } else {
+                                       current = (*(track_views.begin()));
+                                       //selection->set (*(track_views.begin()));
+                               }
+                               break;
                        }
-                       break;
                }
-       }
+               rui = dynamic_cast<RouteUI *>(current);
+       } while ( current->hidden() || (rui != NULL && !rui->route()->active()));
+
+       selection->set(current);
+
+       ensure_track_visible(current);
 }
 
 void
@@ -5018,17 +5179,55 @@ Editor::select_prev_route()
 
        TimeAxisView* current = selection->tracks.front();
 
-       for (TrackViewList::reverse_iterator i = track_views.rbegin(); i != track_views.rend(); ++i) {
-               if (*i == current) {
-                       ++i;
-                       if (i != track_views.rend()) {
-                               selection->set (*i);
-                       } else {
-                               selection->set (*(track_views.rbegin()));
+       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()) {
+                                       current = (*i);
+                               } else {
+                                       current = *(track_views.rbegin());
+                               }
+                               break;
                        }
-                       break;
                }
+               rui = dynamic_cast<RouteUI *>(current);
+       } while ( current->hidden() || (rui != NULL && !rui->route()->active()));
+
+       selection->set (current);
+
+       ensure_track_visible(current);
+}
+
+void
+Editor::ensure_track_visible(TimeAxisView *track)
+{
+       if (track->hidden())
+               return;
+
+       double current_view_min_y = vertical_adjustment.get_value();
+       double current_view_max_y = vertical_adjustment.get_value() + vertical_adjustment.get_page_size() - canvas_timebars_vsize;
+
+       double track_min_y = track->y_position;
+       double track_max_y = track->y_position + (double)track->effective_height;
+
+       if (track_min_y >= current_view_min_y &&
+            track_max_y <= current_view_max_y) {
+               return;
+       }
+
+       double new_value;
+
+       if (track_min_y < current_view_min_y) {
+               // Track is above the current view
+               new_value = track_min_y;
+       } else {
+               // Track is below the current view
+               new_value = track->y_position + (double)track->effective_height + canvas_timebars_vsize - vertical_adjustment.get_page_size();
        }
+
+       vertical_adjustment.set_value(new_value);
 }
 
 void
@@ -5038,8 +5237,8 @@ Editor::set_loop_from_selection (bool play)
                return;
        }
 
-       nframes_t start = selection->time[clicked_selection].start;
-       nframes_t end = selection->time[clicked_selection].end;
+       nframes64_t start = selection->time[clicked_selection].start;
+       nframes64_t end = selection->time[clicked_selection].end;
        
        set_loop_range (start, end,  _("set loop range from selection"));
 
@@ -5109,8 +5308,8 @@ Editor::set_punch_from_selection ()
                return;
        }
 
-       nframes_t start = selection->time[clicked_selection].start;
-       nframes_t end = selection->time[clicked_selection].end;
+       nframes64_t start = selection->time[clicked_selection].start;
+       nframes64_t end = selection->time[clicked_selection].end;
        
        set_punch_range (start, end,  _("set punch range from selection"));
 }
@@ -5537,8 +5736,8 @@ Editor::playhead_forward_to_grid ()
 {
        if (!session) return;
        nframes64_t pos = playhead_cursor->current_frame;
-       if (pos < max_frames) {
-               pos++;
+       if (pos < max_frames - 1) {
+               pos += 2;
                snap_to_internal (pos, 1, false);
                session->request_locate (pos);
        }
@@ -5550,8 +5749,8 @@ Editor::playhead_backward_to_grid ()
 {
        if (!session) return;
        nframes64_t pos = playhead_cursor->current_frame;
-       if (pos > 1) {
-               pos--;
+       if (pos > 2) {
+               pos -= 2;
                snap_to_internal (pos, -1, false);
                session->request_locate (pos);
        }
@@ -5739,7 +5938,8 @@ Editor::do_insert_time ()
        RadioButton move_button (group, _("Move"));
        RadioButton split_button (group, _("Split & Later Section Moves"));
        Label intersect_option_label (_("Intersected regions should:"));
-       ToggleButton glue_button (_("Move Glued Regions"));
+       CheckButton glue_button (_("Move Glued Regions"));
+       CheckButton marker_button (_("Move Markers"));
        AudioClock clock ("insertTimeClock", true, X_("InsertTimeClock"), true, true, true);
        HBox clock_box;
 
@@ -5753,6 +5953,7 @@ Editor::do_insert_time ()
        option_box.pack_start (intersect_option_label, false, false);
        option_box.pack_start (button_box, false, false);
        option_box.pack_start (glue_button, false, false);
+       option_box.pack_start (marker_button, false, false);
 
        button_box.pack_start (leave_button, false, false);
        button_box.pack_start (move_button, false, false);
@@ -5771,6 +5972,7 @@ Editor::do_insert_time ()
        glue_button.show ();
        clock.show_all();
        clock_box.show ();
+       marker_button.show ();
 
        d.add_button (Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
        d.add_button (Gtk::Stock::OK, Gtk::RESPONSE_OK);
@@ -5782,7 +5984,7 @@ Editor::do_insert_time ()
                return;
        }
        
-       nframes_t distance = clock.current_duration (pos);
+       nframes64_t distance = clock.current_duration (pos);
 
        if (distance == 0) {
                return;
@@ -5798,11 +6000,12 @@ Editor::do_insert_time ()
                opt = SplitIntersected;
        }
 
-       insert_time (pos, distance, opt, glue_button.get_active());
+       insert_time (pos, distance, opt, glue_button.get_active(), marker_button.get_active());
 }
-                               
+
 void
-Editor::insert_time (nframes64_t pos, nframes64_t frames, InsertTimeOption opt, bool ignore_music_glue)
+Editor::insert_time (nframes64_t pos, nframes64_t frames, InsertTimeOption opt, 
+                    bool ignore_music_glue, bool markers_too)
 {
        bool commit = false;
 
@@ -5833,7 +6036,169 @@ Editor::insert_time (nframes64_t pos, nframes64_t frames, InsertTimeOption opt,
                commit = true;
        }
 
+       if (markers_too) {
+               bool moved = false;
+               XMLNode& before (session->locations()->get_state());
+               Locations::LocationList copy (session->locations()->list());
+
+               for (Locations::LocationList::iterator i = copy.begin(); i != copy.end(); ++i) {
+                       
+                       Locations::LocationList::const_iterator tmp;
+
+                       if ((*i)->start() >= pos) {
+                               (*i)->set_start ((*i)->start() + frames);
+                               if (!(*i)->is_mark()) {
+                                       (*i)->set_end ((*i)->end() + frames);
+                               }
+                               moved = true;
+                       }
+               }
+
+               if (moved) {
+                       XMLNode& after (session->locations()->get_state());
+                       session->add_command (new MementoCommand<Locations>(*session->locations(), &before, &after));
+               }
+       }
+
        if (commit) {
                commit_reversible_command ();
        }
 }
+
+void
+Editor::fit_tracks ()
+{
+       if (selection->tracks.empty()) {
+               return;
+       }
+
+       uint32_t child_heights = 0;
+
+       for (TrackSelection::iterator t = selection->tracks.begin(); t != selection->tracks.end(); ++t) {
+
+               if (!(*t)->marked_for_display()) {
+                       continue;
+               }
+
+               child_heights += ((*t)->effective_height - (*t)->current_height());
+       }
+
+       uint32_t h = (uint32_t) floor ((canvas_height - child_heights - canvas_timebars_vsize)/selection->tracks.size());
+       double first_y_pos = DBL_MAX;
+
+       if (h < TimeAxisView::hSmall) {
+               MessageDialog msg (*this, _("There are too many selected tracks to fit in the current window"));
+               /* too small to be displayed */
+               return;
+       }
+
+       undo_visual_stack.push_back (current_visual_state());
+       
+       /* operate on all tracks, hide unselected ones that are in the middle of selected ones */
+       
+       bool prev_was_selected = false;
+       bool is_selected = selection->selected (track_views.front());
+       bool next_is_selected;
+
+       for (TrackViewList::iterator t = track_views.begin(); t != track_views.end(); ++t) {
+
+               TrackViewList::iterator next;
+               
+               next = t;
+               ++next;
+               
+               if (next != track_views.end()) {
+                       next_is_selected = selection->selected (*next);
+               } else {
+                       next_is_selected = false;
+               }
+
+               if (is_selected) {
+                       (*t)->set_height (h);
+                       first_y_pos = std::min ((*t)->y_position, first_y_pos);
+               } else {
+                       if (prev_was_selected && next_is_selected) {
+                               hide_track_in_display (**t);
+                       }
+               }
+
+               prev_was_selected = is_selected;
+               is_selected = next_is_selected;
+       }
+
+       /* 
+          set the controls_layout height now, because waiting for its size 
+          request signal handler will cause the vertical adjustment setting to fail 
+       */ 
+
+       controls_layout.property_height () = full_canvas_height - canvas_timebars_vsize;
+       vertical_adjustment.set_value (first_y_pos);
+
+       redo_visual_stack.push_back (current_visual_state());
+}
+
+void
+Editor::save_visual_state (uint32_t n)
+{
+       while (visual_states.size() <= n) {
+               visual_states.push_back (0);
+       }
+
+       if (visual_states[n] != 0) {
+               delete visual_states[n];
+       }
+
+       visual_states[n] = current_visual_state (true);
+       gdk_beep ();
+}
+
+void
+Editor::goto_visual_state (uint32_t n)
+{
+       if (visual_states.size() <= n) {
+               return;
+       }
+
+       if (visual_states[n] == 0) {
+               return;
+       }
+
+       use_visual_state (*visual_states[n]);
+}
+
+void
+Editor::start_visual_state_op (uint32_t n)
+{
+       cerr << "Start\n";
+       if (visual_state_op_connection.empty()) {
+               cerr << "\tqueue\n";
+               visual_state_op_connection = Glib::signal_timeout().connect (bind (mem_fun (*this, &Editor::end_visual_state_op), n), 1000);
+       }
+}
+
+void
+Editor::cancel_visual_state_op (uint32_t n)
+{
+       cerr << "Cancel\n";
+       if (!visual_state_op_connection.empty()) {
+               cerr << "\tgoto\n";
+               visual_state_op_connection.disconnect();
+               goto_visual_state (n);
+       } 
+}
+
+bool
+Editor::end_visual_state_op (uint32_t n)
+{
+       visual_state_op_connection.disconnect();
+       save_visual_state (n);
+       
+       PopUp* pup = new PopUp (WIN_POS_MOUSE, 1000, true);
+       char buf[32];
+       snprintf (buf, sizeof (buf), _("Saved view %u"), n+1);
+       pup->set_text (buf);
+       pup->touch();
+
+       return false; // do not call again
+}
+