Hack round a maybe delightful (for some values of delightful) and certainly evil...
[ardour.git] / gtk2_ardour / editor_ops.cc
index 751c94fefa7ad0c678ad3aa5b525ac023eb43412..d79f1df47b7410d770d2a54b0f759933b5a0e96f 100644 (file)
 #include "ardour/quantize.h"
 #include "ardour/strip_silence.h"
 #include "ardour/route_group.h"
+#include "ardour/operations.h"
 
 #include "ardour_ui.h"
+#include "debug.h"
 #include "editor.h"
 #include "time_axis_view.h"
 #include "route_time_axis.h"
 #include "quantize_dialog.h"
 #include "interthread_progress_window.h"
 #include "insert_time_dialog.h"
+#include "normalize_dialog.h"
+#include "editor_cursors.h"
+#include "mouse_cursors.h"
+#include "patch_change_dialog.h"
 
 #include "i18n.h"
 
@@ -115,6 +121,8 @@ Editor::redo (uint32_t n)
 void
 Editor::split_regions_at (framepos_t where, RegionSelection& regions)
 {
+       bool frozen = false;
+
        list <boost::shared_ptr<Playlist > > used_playlists;
 
        if (regions.empty()) {
@@ -137,6 +145,9 @@ Editor::split_regions_at (framepos_t where, RegionSelection& regions)
                }
        } else {
                snap_to (where);
+               
+               frozen = true;
+               EditorFreeze(); /* Emit Signal */
        }
 
        for (RegionSelection::iterator a = regions.begin(); a != regions.end(); ) {
@@ -157,10 +168,10 @@ Editor::split_regions_at (framepos_t where, RegionSelection& regions)
 
                boost::shared_ptr<Playlist> pl = (*a)->region()->playlist();
 
-                if (!pl) {
-                        a = tmp;
-                        continue;
-                }
+               if (!pl) {
+                       a = tmp;
+                       continue;
+               }
 
                if (!pl->frozen()) {
                        /* we haven't seen this playlist before */
@@ -171,7 +182,7 @@ Editor::split_regions_at (framepos_t where, RegionSelection& regions)
                }
 
                if (pl) {
-                        pl->clear_changes ();
+                       pl->clear_changes ();
                        pl->split_region ((*a)->region(), where);
                        _session->add_command (new StatefulDiffCommand (pl));
                }
@@ -186,6 +197,10 @@ Editor::split_regions_at (framepos_t where, RegionSelection& regions)
        }
 
        commit_reversible_command ();
+       
+       if (frozen){
+               EditorThaw(); /* Emit Signal */
+       }
 }
 
 boost::shared_ptr<Region>
@@ -305,11 +320,12 @@ Editor::nudge_forward (bool next, bool force_playhead)
 {
        framepos_t distance;
        framepos_t next_distance;
-       RegionSelection rs;
 
-       get_regions_for_action (rs);
+       if (!_session) {
+               return;
+       }
 
-       if (!_session) return;
+       RegionSelection rs = get_regions_from_selection_and_entered ();
 
        if (!force_playhead && !rs.empty()) {
 
@@ -324,7 +340,7 @@ Editor::nudge_forward (bool next, bool force_playhead)
                                distance = next_distance;
                        }
 
-                        r->clear_changes ();
+                       r->clear_changes ();
                        r->set_position (r->position() + distance, this);
                        _session->add_command (new StatefulDiffCommand (r));
                }
@@ -385,11 +401,12 @@ Editor::nudge_backward (bool next, bool force_playhead)
 {
        framepos_t distance;
        framepos_t next_distance;
-       RegionSelection rs;
 
-       get_regions_for_action (rs);
+       if (!_session) {
+               return;
+       }
 
-       if (!_session) return;
+       RegionSelection rs = get_regions_from_selection_and_entered ();
 
        if (!force_playhead && !rs.empty()) {
 
@@ -404,7 +421,7 @@ Editor::nudge_backward (bool next, bool force_playhead)
                                distance = next_distance;
                        }
                         
-                        r->clear_changes ();
+                       r->clear_changes ();
 
                        if (r->position() > distance) {
                                r->set_position (r->position() - distance, this);
@@ -476,63 +493,54 @@ Editor::nudge_backward (bool next, bool force_playhead)
 void
 Editor::nudge_forward_capture_offset ()
 {
-       framepos_t distance;
-       RegionSelection rs;
-
-       get_regions_for_action (rs);
-
-       if (!_session) return;
-
-       if (!rs.empty()) {
-
-               begin_reversible_command (_("nudge forward"));
-
-               distance = _session->worst_output_latency();
-
-               for (RegionSelection::iterator i = rs.begin(); i != rs.end(); ++i) {
-                       boost::shared_ptr<Region> r ((*i)->region());
-
-                        r->clear_changes ();
-                       r->set_position (r->position() + distance, this);
-                       _session->add_command(new StatefulDiffCommand (r));
-               }
-
-               commit_reversible_command ();
+       RegionSelection rs = get_regions_from_selection_and_entered ();
+       
+       if (!_session || rs.empty()) {
+               return;
+       }
 
+       begin_reversible_command (_("nudge forward"));
+       
+       framepos_t const distance = _session->worst_output_latency();
+       
+       for (RegionSelection::iterator i = rs.begin(); i != rs.end(); ++i) {
+               boost::shared_ptr<Region> r ((*i)->region());
+               
+               r->clear_changes ();
+               r->set_position (r->position() + distance, this);
+               _session->add_command(new StatefulDiffCommand (r));
        }
+       
+       commit_reversible_command ();
 }
 
 void
 Editor::nudge_backward_capture_offset ()
 {
-       framepos_t distance;
-       RegionSelection rs;
+       RegionSelection rs = get_regions_from_selection_and_entered ();
 
-       get_regions_for_action (rs);
-
-       if (!_session) return;
-
-       if (!rs.empty()) {
-
-               begin_reversible_command (_("nudge forward"));
-
-               distance = _session->worst_output_latency();
-
-               for (RegionSelection::iterator i = rs.begin(); i != rs.end(); ++i) {
-                       boost::shared_ptr<Region> r ((*i)->region());
+       if (!_session || rs.empty()) {
+               return;
+       }
 
-                        r->clear_changes ();
+       begin_reversible_command (_("nudge forward"));
+       
+       framepos_t const distance = _session->worst_output_latency();
 
-                       if (r->position() > distance) {
-                               r->set_position (r->position() - distance, this);
-                       } else {
-                               r->set_position (0, this);
-                       }
-                       _session->add_command(new StatefulDiffCommand (r));
+       for (RegionSelection::iterator i = rs.begin(); i != rs.end(); ++i) {
+               boost::shared_ptr<Region> r ((*i)->region());
+               
+               r->clear_changes ();
+               
+               if (r->position() > distance) {
+                       r->set_position (r->position() - distance, this);
+               } else {
+                       r->set_position (0, this);
                }
-
-               commit_reversible_command ();
+               _session->add_command(new StatefulDiffCommand (r));
        }
+       
+       commit_reversible_command ();
 }
 
 /* DISPLAY MOTION */
@@ -865,7 +873,7 @@ Editor::cursor_to_region_point (EditorCursor* cursor, RegionPoint point, int32_t
                return;
        }
 
-       switch (point){
+       switch (point) {
        case Start:
                pos = r->first_frame ();
                break;
@@ -913,14 +921,11 @@ void
 Editor::cursor_to_selection_start (EditorCursor *cursor)
 {
        framepos_t pos = 0;
-       RegionSelection rs;
-
-       get_regions_for_action (rs);
 
        switch (mouse_mode) {
        case MouseObject:
-               if (!rs.empty()) {
-                       pos = rs.start();
+               if (!selection->regions.empty()) {
+                       pos = selection->regions.start();
                }
                break;
 
@@ -945,14 +950,11 @@ void
 Editor::cursor_to_selection_end (EditorCursor *cursor)
 {
        framepos_t pos = 0;
-       RegionSelection rs;
-
-       get_regions_for_action (rs);
 
        switch (mouse_mode) {
        case MouseObject:
-               if (!rs.empty()) {
-                       pos = rs.end_frame();
+               if (!selection->regions.empty()) {
+                       pos = selection->regions.end_frame();
                }
                break;
 
@@ -1062,7 +1064,7 @@ Editor::selected_marker_to_region_point (RegionPoint point, int32_t dir)
                return;
        }
 
-       switch (point){
+       switch (point) {
        case Start:
                pos = r->first_frame ();
                break;
@@ -1117,14 +1119,10 @@ Editor::selected_marker_to_selection_start ()
                return;
        }
 
-       RegionSelection rs;
-
-       get_regions_for_action (rs);
-
        switch (mouse_mode) {
        case MouseObject:
-               if (!rs.empty()) {
-                       pos = rs.start();
+               if (!selection->regions.empty()) {
+                       pos = selection->regions.start();
                }
                break;
 
@@ -1156,14 +1154,10 @@ Editor::selected_marker_to_selection_end ()
                return;
        }
 
-       RegionSelection rs;
-
-       get_regions_for_action (rs);
-
        switch (mouse_mode) {
        case MouseObject:
-               if (!rs.empty()) {
-                       pos = rs.end_frame();
+               if (!selection->regions.empty()) {
+                       pos = selection->regions.end_frame();
                }
                break;
 
@@ -1213,68 +1207,6 @@ Editor::scroll_playhead (bool forward)
        _session->request_locate (pos);
 }
 
-void
-Editor::playhead_backward ()
-{
-       framepos_t pos;
-       framepos_t cnt;
-       float prefix;
-       bool was_floating;
-
-       if (get_prefix (prefix, was_floating)) {
-               cnt = 1;
-       } else {
-               if (was_floating) {
-                       cnt = (framepos_t) floor (prefix * _session->frame_rate ());
-               } else {
-                       cnt = (framepos_t) prefix;
-               }
-       }
-
-       pos = playhead_cursor->current_frame;
-
-       if ((framepos_t) pos < cnt) {
-               pos = 0;
-       } else {
-               pos -= cnt;
-       }
-
-       /* XXX this is completely insane. with the current buffering
-          design, we'll force a complete track buffer flush and
-          reload, just to move 1 sample !!!
-       */
-
-       _session->request_locate (pos);
-}
-
-void
-Editor::playhead_forward ()
-{
-       framepos_t pos;
-       framepos_t cnt;
-       bool was_floating;
-       float prefix;
-
-       if (get_prefix (prefix, was_floating)) {
-               cnt = 1;
-       } else {
-               if (was_floating) {
-                       cnt = (framepos_t) floor (prefix * _session->frame_rate ());
-               } else {
-                       cnt = (framepos_t) floor (prefix);
-               }
-       }
-
-       pos = playhead_cursor->current_frame;
-
-       /* XXX this is completely insane. with the current buffering
-          design, we'll force a complete track buffer flush and
-          reload, just to move 1 sample !!!
-       */
-
-       _session->request_locate (pos+cnt);
-}
-
 void
 Editor::cursor_align (bool playhead_to_edit)
 {
@@ -1308,98 +1240,13 @@ Editor::cursor_align (bool playhead_to_edit)
        }
 }
 
-void
-Editor::edit_cursor_backward ()
-{
-       framepos_t pos;
-       framepos_t cnt;
-       float prefix;
-       bool was_floating;
-
-       if (get_prefix (prefix, was_floating)) {
-               cnt = 1;
-       } else {
-               if (was_floating) {
-                       cnt = (framepos_t) floor (prefix * _session->frame_rate ());
-               } else {
-                       cnt = (framepos_t) prefix;
-               }
-       }
-
-       if ((pos = get_preferred_edit_position()) < 0) {
-               return;
-       }
-
-       if (pos < cnt) {
-               pos = 0;
-       } else {
-               pos -= cnt;
-       }
-
-       // EDIT CURSOR edit_cursor->set_position (pos);
-}
-
-void
-Editor::edit_cursor_forward ()
-{
-       //framepos_t pos;
-       framepos_t cnt;
-       bool was_floating;
-       float prefix;
-
-       if (get_prefix (prefix, was_floating)) {
-               cnt = 1;
-       } else {
-               if (was_floating) {
-                       cnt = (framepos_t) floor (prefix * _session->frame_rate ());
-               } else {
-                       cnt = (framepos_t) floor (prefix);
-               }
-       }
-
-       // pos = edit_cursor->current_frame;
-       // EDIT CURSOR edit_cursor->set_position (pos+cnt);
-}
-
-void
-Editor::goto_frame ()
-{
-       float prefix;
-       bool was_floating;
-       framepos_t frame;
-
-       if (get_prefix (prefix, was_floating)) {
-               return;
-       }
-
-       if (was_floating) {
-               frame = (framepos_t) floor (prefix * _session->frame_rate());
-       } else {
-               frame = (framepos_t) floor (prefix);
-       }
-
-       _session->request_locate (frame);
-}
-
 void
 Editor::scroll_backward (float pages)
 {
-       framepos_t frame;
-       framepos_t one_page = (framepos_t) rint (_canvas_width * frames_per_unit);
-       bool was_floating;
-       float prefix;
-       framepos_t cnt;
-
-       if (get_prefix (prefix, was_floating)) {
-               cnt = (framepos_t) floor (pages * one_page);
-       } else {
-               if (was_floating) {
-                       cnt = (framepos_t) floor (prefix * _session->frame_rate());
-               } else {
-                       cnt = (framepos_t) floor (prefix * one_page);
-               }
-       }
+       framepos_t const one_page = (framepos_t) rint (_canvas_width * frames_per_unit);
+       framepos_t const cnt = (framepos_t) floor (pages * one_page);
 
+       framepos_t frame;
        if (leftmost_frame < cnt) {
                frame = 0;
        } else {
@@ -1412,22 +1259,10 @@ Editor::scroll_backward (float pages)
 void
 Editor::scroll_forward (float pages)
 {
-       framepos_t frame;
-       framepos_t one_page = (framepos_t) rint (_canvas_width * frames_per_unit);
-       bool was_floating;
-       float prefix;
-       framepos_t cnt;
-
-       if (get_prefix (prefix, was_floating)) {
-               cnt = (framepos_t) floor (pages * one_page);
-       } else {
-               if (was_floating) {
-                       cnt = (framepos_t) floor (prefix * _session->frame_rate());
-               } else {
-                       cnt = (framepos_t) floor (prefix * one_page);
-               }
-       }
+       framepos_t const one_page = (framepos_t) rint (_canvas_width * frames_per_unit);
+       framepos_t const cnt = (framepos_t) floor (pages * one_page);
 
+       framepos_t frame;
        if (max_framepos - cnt < leftmost_frame) {
                frame = max_framepos - cnt;
        } else {
@@ -1440,38 +1275,18 @@ Editor::scroll_forward (float pages)
 void
 Editor::scroll_tracks_down ()
 {
-       float prefix;
-       bool was_floating;
-       int cnt;
-
-       if (get_prefix (prefix, was_floating)) {
-               cnt = 1;
-       } else {
-               cnt = (int) floor (prefix);
-       }
-
-       double vert_value = vertical_adjustment.get_value() + (cnt *
-               vertical_adjustment.get_page_size());
+       double vert_value = vertical_adjustment.get_value() + vertical_adjustment.get_page_size();
        if (vert_value > vertical_adjustment.get_upper() - _canvas_height) {
                vert_value = vertical_adjustment.get_upper() - _canvas_height;
        }
+       
        vertical_adjustment.set_value (vert_value);
 }
 
 void
 Editor::scroll_tracks_up ()
 {
-       float prefix;
-       bool was_floating;
-       int cnt;
-
-       if (get_prefix (prefix, was_floating)) {
-               cnt = 1;
-       } else {
-               cnt = (int) floor (prefix);
-       }
-
-       vertical_adjustment.set_value (vertical_adjustment.get_value() - (cnt * vertical_adjustment.get_page_size()));
+       vertical_adjustment.set_value (vertical_adjustment.get_value() - vertical_adjustment.get_page_size());
 }
 
 void
@@ -1653,10 +1468,9 @@ Editor::temporal_zoom_region (bool both_axes)
 {
        framepos_t start = max_framepos;
        framepos_t end = 0;
-       RegionSelection rs;
        set<TimeAxisView*> tracks;
 
-       get_regions_for_action (rs);
+       RegionSelection rs = get_regions_from_selection_and_entered ();
 
        if (rs.empty()) {
                return;
@@ -1771,13 +1585,13 @@ Editor::temporal_zoom_session ()
        ENSURE_GUI_THREAD (*this, &Editor::temporal_zoom_session)
 
        if (_session) {
-               nframes_t const l = _session->current_end_frame() - _session->current_start_frame();
+               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;
                }
-               nframes_t const e = _session->current_end_frame() + l * 0.01;
-               temporal_zoom_by_frame (nframes_t (s), e, "zoom to _session");
+               framecnt_t const e = _session->current_end_frame() + l * 0.01;
+               temporal_zoom_by_frame (framecnt_t (s), e, "zoom to _session");
        }
 }
 
@@ -1833,10 +1647,10 @@ Editor::temporal_zoom_to_frame (bool coarser, framepos_t frame)
        if (new_leftmost > frame) {
                new_leftmost = 0;
        }
-//     begin_reversible_command (_("zoom to frame"));
-//     _session->add_undo (sigc::bind (sigc::mem_fun(*this, &Editor::reposition_and_zoom), leftmost_frame, frames_per_unit));
-//     _session->add_redo (sigc::bind (sigc::mem_fun(*this, &Editor::reposition_and_zoom), new_leftmost, new_fpu));
-//     commit_reversible_command ();
+
+       if (new_leftmost < 0) {
+               new_leftmost = 0;
+       }
 
        reposition_and_zoom (new_leftmost, new_fpu);
 }
@@ -1898,9 +1712,9 @@ Editor::add_location_from_selection ()
        Location *location = new Location (*_session, start, end, rangename, Location::IsRangeMarker);
 
        _session->begin_reversible_command (_("add marker"));
-        XMLNode &before = _session->locations()->get_state();
+       XMLNode &before = _session->locations()->get_state();
        _session->locations()->add (location, true);
-        XMLNode &after = _session->locations()->get_state();
+       XMLNode &after = _session->locations()->get_state();
        _session->add_command(new MementoCommand<Locations>(*(_session->locations()), &before, &after));
        _session->commit_reversible_command ();
 }
@@ -1918,9 +1732,9 @@ Editor::add_location_mark (framepos_t where)
        }
        Location *location = new Location (*_session, where, where, markername, Location::IsMark);
        _session->begin_reversible_command (_("add marker"));
-        XMLNode &before = _session->locations()->get_state();
+       XMLNode &before = _session->locations()->get_state();
        _session->locations()->add (location, true);
-        XMLNode &after = _session->locations()->get_state();
+       XMLNode &after = _session->locations()->get_state();
        _session->add_command(new MementoCommand<Locations>(*(_session->locations()), &before, &after));
        _session->commit_reversible_command ();
 }
@@ -1931,18 +1745,17 @@ Editor::add_location_from_playhead_cursor ()
        add_location_mark (_session->audible_frame());
 }
 
+/** Add a range marker around each selected region */
 void
-Editor::add_locations_from_audio_region ()
+Editor::add_locations_from_region ()
 {
-       RegionSelection rs;
-
-       get_regions_for_action (rs);
-
+       RegionSelection rs = get_regions_from_selection_and_entered ();
+       
        if (rs.empty()) {
                return;
        }
 
-       _session->begin_reversible_command (rs.size () > 1 ? _("add markers") : _("add marker"));
+       _session->begin_reversible_command (selection->regions.size () > 1 ? _("add markers") : _("add marker"));
        XMLNode &before = _session->locations()->get_state();
 
        for (RegionSelection::iterator i = rs.begin (); i != rs.end (); ++i) {
@@ -1959,13 +1772,12 @@ Editor::add_locations_from_audio_region ()
        _session->commit_reversible_command ();
 }
 
+/** Add a single range marker around all selected regions */
 void
-Editor::add_location_from_audio_region ()
+Editor::add_location_from_region ()
 {
-       RegionSelection rs;
-
-       get_regions_for_action (rs);
-
+       RegionSelection rs = get_regions_from_selection_and_entered ();
+       
        if (rs.empty()) {
                return;
        }
@@ -1975,7 +1787,7 @@ Editor::add_location_from_audio_region ()
 
        string markername;
 
-       if (rs.size() > 1) {            // more than one region selected
+       if (rs.size() > 1) {
                _session->locations()->next_available_name(markername, "regions");
        } else {
                RegionView* rv = *(rs.begin());
@@ -1988,7 +1800,7 @@ Editor::add_location_from_audio_region ()
        }
 
        // single range spanning all selected
-       Location *location = new Location (*_session, rs.start(), rs.end_frame(), markername, Location::IsRangeMarker);
+       Location *location = new Location (*_session, selection->regions.start(), selection->regions.end_frame(), markername, Location::IsRangeMarker);
        _session->locations()->add (location, true);
 
        XMLNode &after = _session->locations()->get_state();
@@ -1996,59 +1808,6 @@ Editor::add_location_from_audio_region ()
        _session->commit_reversible_command ();
 }
 
-void
-Editor::amplitude_zoom_step (bool in)
-{
-       gdouble zoom = 1.0;
-
-       if (in) {
-               zoom *= 2.0;
-       } else {
-               if (zoom > 2.0) {
-                       zoom /= 2.0;
-               } else {
-                       zoom = 1.0;
-               }
-       }
-
-#ifdef FIX_FOR_CANVAS
-       /* XXX DO SOMETHING */
-#endif
-}
-
-
-/* DELETION */
-
-
-void
-Editor::delete_sample_forward ()
-{
-}
-
-void
-Editor::delete_sample_backward ()
-{
-}
-
-void
-Editor::delete_screen ()
-{
-}
-
-/* SEARCH */
-
-void
-Editor::search_backwards ()
-{
-       /* what ? */
-}
-
-void
-Editor::search_forwards ()
-{
-       /* what ? */
-}
-
 /* MARKS */
 
 void
@@ -2086,25 +1845,15 @@ Editor::jump_backward_to_mark ()
 void
 Editor::set_mark ()
 {
-       framepos_t pos;
-       float prefix;
-       bool was_floating;
-       string markername;
-
-       if (get_prefix (prefix, was_floating)) {
-               pos = _session->audible_frame ();
-       } else {
-               if (was_floating) {
-                       pos = (framepos_t) floor (prefix * _session->frame_rate ());
-               } else {
-                       pos = (framepos_t) floor (prefix);
-               }
-       }
+       framepos_t const pos = _session->audible_frame ();
 
-       _session->locations()->next_available_name(markername,"mark");
-       if (!choose_new_marker_name(markername)) {
+       string markername;
+       _session->locations()->next_available_name (markername, "mark");
+       
+       if (!choose_new_marker_name (markername)) {
                return;
        }
+       
        _session->locations()->add (new Location (*_session, pos, 0, markername, Location::IsMark), true);
 }
 
@@ -2113,9 +1862,9 @@ Editor::clear_markers ()
 {
        if (_session) {
                _session->begin_reversible_command (_("clear markers"));
-                XMLNode &before = _session->locations()->get_state();
+               XMLNode &before = _session->locations()->get_state();
                _session->locations()->clear_markers ();
-                XMLNode &after = _session->locations()->get_state();
+               XMLNode &after = _session->locations()->get_state();
                _session->add_command(new MementoCommand<Locations>(*(_session->locations()), &before, &after));
                _session->commit_reversible_command ();
        }
@@ -2126,7 +1875,7 @@ Editor::clear_ranges ()
 {
        if (_session) {
                _session->begin_reversible_command (_("clear ranges"));
-                XMLNode &before = _session->locations()->get_state();
+               XMLNode &before = _session->locations()->get_state();
 
                Location * looploc = _session->locations()->auto_loop_location();
                Location * punchloc = _session->locations()->auto_punch_location();
@@ -2136,7 +1885,7 @@ Editor::clear_ranges ()
                if (looploc) _session->locations()->add (looploc);
                if (punchloc) _session->locations()->add (punchloc);
 
-                XMLNode &after = _session->locations()->get_state();
+               XMLNode &after = _session->locations()->get_state();
                _session->add_command(new MementoCommand<Locations>(*(_session->locations()), &before, &after));
                _session->commit_reversible_command ();
        }
@@ -2146,9 +1895,9 @@ void
 Editor::clear_locations ()
 {
        _session->begin_reversible_command (_("clear locations"));
-        XMLNode &before = _session->locations()->get_state();
+       XMLNode &before = _session->locations()->get_state();
        _session->locations()->clear ();
-        XMLNode &after = _session->locations()->get_state();
+       XMLNode &after = _session->locations()->get_state();
        _session->add_command(new MementoCommand<Locations>(*(_session->locations()), &before, &after));
        _session->commit_reversible_command ();
        _session->locations()->clear ();
@@ -2217,7 +1966,7 @@ Editor::insert_region_list_drag (boost::shared_ptr<Region> region, int x, int y)
        snap_to (where);
 
        begin_reversible_command (_("insert dragged region"));
-        playlist->clear_changes ();
+       playlist->clear_changes ();
        playlist->add_region (RegionFactory::create (region, true), where, 1.0);
        _session->add_command(new StatefulDiffCommand (playlist));
        commit_reversible_command ();
@@ -2228,7 +1977,7 @@ Editor::insert_route_list_drag (boost::shared_ptr<Route> route, int x, int y)
 {
        double wx, wy;
        double cx, cy;
-       nframes_t where;
+       framepos_t where;
        RouteTimeAxisView *dest_rtv = 0;
        RouteTimeAxisView *source_rtv = 0;
 
@@ -2296,7 +2045,7 @@ Editor::insert_region_list_selection (float times)
        }
 
        begin_reversible_command (_("insert region"));
-        playlist->clear_changes ();
+       playlist->clear_changes ();
        playlist->add_region ((RegionFactory::create (region, true)), get_preferred_edit_position(), times);
        _session->add_command(new StatefulDiffCommand (playlist));
        commit_reversible_command ();
@@ -2390,30 +2139,6 @@ Editor::play_selection ()
        _session->request_play_range (&selection->time, true);
 }
 
-void
-Editor::loop_selected_region ()
-{
-       RegionSelection rs;
-
-       get_regions_for_action (rs);
-
-       if (!rs.empty()) {
-               RegionView *rv = *(rs.begin());
-               Location* tll;
-
-               if ((tll = transport_loop_location()) != 0)  {
-
-                       tll->set (rv->region()->position(), rv->region()->last_frame());
-
-                       // enable looping, reposition and start rolling
-
-                       _session->request_play_loop (true);
-                       _session->request_locate (tll->start(), false);
-                       _session->request_transport_speed (1.0f);
-               }
-       }
-}
-
 void
 Editor::play_location (Location& location)
 {
@@ -2468,7 +2193,7 @@ Editor::lower_region_to_bottom ()
 
 /** Show the region editor for the selected regions */
 void
-Editor::edit_region ()
+Editor::show_region_properties ()
 {
        selection->foreach_regionview (&RegionView::show_region_editor);
 }
@@ -2481,12 +2206,10 @@ Editor::show_midi_list_editor ()
 }
 
 void
-Editor::rename_region()
+Editor::rename_region ()
 {
-       RegionSelection rs;
-
-       get_regions_for_action (rs);
-
+       RegionSelection rs = get_regions_from_selection_and_entered ();
+       
        if (rs.empty()) {
                return;
        }
@@ -2509,7 +2232,7 @@ Editor::rename_region()
        d.set_size_request (300, -1);
        d.set_position (Gtk::WIN_POS_MOUSE);
 
-       entry.set_text (rs.front()->region()->name());
+       entry.set_text (selection->regions.front()->region()->name());
        entry.select_region (0, -1);
 
        entry.signal_activate().connect (sigc::bind (sigc::mem_fun (d, &Dialog::response), RESPONSE_OK));
@@ -2518,17 +2241,19 @@ Editor::rename_region()
 
        entry.grab_focus();
 
-       int ret = d.run();
+       int const ret = d.run();
 
        d.hide ();
 
-       if (ret == RESPONSE_OK) {
-               std::string str = entry.get_text();
-               strip_whitespace_edges (str);
-               if (!str.empty()) {
-                       rs.front()->region()->set_name (str);
-                       _regions->redisplay ();
-               }
+       if (ret != RESPONSE_OK) {
+               return;
+       }
+       
+       std::string str = entry.get_text();
+       strip_whitespace_edges (str);
+       if (!str.empty()) {
+               rs.front()->region()->set_name (str);
+               _regions->redisplay ();
        }
 }
 
@@ -2567,10 +2292,9 @@ Editor::play_selected_region ()
 {
        framepos_t start = max_framepos;
        framepos_t end = 0;
-       RegionSelection rs;
-
-       get_regions_for_action (rs);
 
+       RegionSelection rs = get_regions_from_selection_and_entered ();
+       
        if (rs.empty()) {
                return;
        }
@@ -2681,10 +2405,8 @@ Editor::create_region_from_selection (vector<boost::shared_ptr<Region> >& new_re
 void
 Editor::split_multichannel_region ()
 {
-       RegionSelection rs;
-
-       get_regions_for_action (rs);
-
+       RegionSelection rs = get_regions_from_selection_and_entered ();
+       
        if (rs.empty()) {
                return;
        }
@@ -2802,20 +2524,20 @@ Editor::separate_regions_between (const TimeSelection& ts)
                                                        rtv->view()->foreach_regionview (sigc::bind (
                                                                                sigc::ptr_fun (add_if_covered),
                                                                                &(*t), &new_selection));
-                                                        
+                                                       
                                                        if (!in_command) {
                                                                begin_reversible_command (_("separate"));
                                                                in_command = true;
                                                        }
                                                         
-                                                        /* pick up changes to existing regions */
+                                                       /* pick up changes to existing regions */
 
-                                                        vector<Command*> cmds;
-                                                        playlist->rdiff (cmds);
+                                                       vector<Command*> cmds;
+                                                       playlist->rdiff (cmds);
                                                        _session->add_commands (cmds);
 
-                                                        /* pick up changes to the playlist itself (adds/removes)
-                                                         */
+                                                       /* pick up changes to the playlist itself (adds/removes)
+                                                        */
 
                                                        _session->add_command(new StatefulDiffCommand (playlist));
                                                }
@@ -2907,16 +2629,13 @@ Editor::separate_regions_using_location (Location& loc)
 void
 Editor::separate_under_selected_regions ()
 {
-       RegionSelection rs;
-       get_regions_for_action (rs);
-       
        vector<PlaylistState> playlists;
 
-       if (!_session) {
-               return;
-       }
+       RegionSelection rs;
+       
+       rs = get_regions_from_selection_and_entered();
 
-       if (rs.empty()) {
+       if (!_session || rs.empty()) {
                return;
        }
 
@@ -3065,7 +2784,7 @@ Editor::crop_region_to (framepos_t start, framepos_t end)
                the_end = min (end, the_end);
                cnt = the_end - the_start + 1;
 
-                region->clear_changes ();
+               region->clear_changes ();
                region->trim_to (the_start, cnt, this);
                _session->add_command (new StatefulDiffCommand (region));
        }
@@ -3076,18 +2795,15 @@ Editor::crop_region_to (framepos_t start, framepos_t end)
 void
 Editor::region_fill_track ()
 {
-       framepos_t end;
-       RegionSelection rs;
-
-       get_regions_for_action (rs);
+       RegionSelection rs = get_regions_from_selection_and_entered ();
 
        if (!_session || rs.empty()) {
                return;
        }
 
-       end = _session->current_end_frame ();
+       framepos_t const end = _session->current_end_frame ();
 
-       begin_reversible_command (_("region fill"));
+       begin_reversible_command (Operations::region_fill);
 
        for (RegionSelection::iterator i = rs.begin(); i != rs.end(); ++i) {
 
@@ -3105,7 +2821,7 @@ Editor::region_fill_track ()
                        return;
                }
 
-                pl->clear_changes ();
+               pl->clear_changes ();
                pl->add_region (RegionFactory::create (region, true), region->last_frame(), times);
                _session->add_command (new StatefulDiffCommand (pl));
        }
@@ -3141,7 +2857,7 @@ Editor::region_fill_selection ()
        framepos_t selection_length = end - start;
        float times = (float)selection_length / region->length();
 
-       begin_reversible_command (_("fill selection"));
+       begin_reversible_command (Operations::fill_selection);
 
        for (TrackSelection::iterator i = selection->tracks.begin(); i != selection->tracks.end(); ++i) {
 
@@ -3149,7 +2865,7 @@ Editor::region_fill_selection ()
                        continue;
                }
 
-                playlist->clear_changes ();
+               playlist->clear_changes ();
                playlist->add_region (RegionFactory::create (region, true), start, times);
                _session->add_command (new StatefulDiffCommand (playlist));
        }
@@ -3158,12 +2874,9 @@ Editor::region_fill_selection ()
 }
 
 void
-Editor::set_region_sync_from_edit_point ()
+Editor::set_region_sync_position ()
 {
-       framepos_t where = get_preferred_edit_position ();
-       RegionSelection rs;
-       get_regions_for_action (rs);
-       set_sync_point (where, rs);
+       set_sync_point (get_preferred_edit_position (), get_regions_from_selection_and_edit_point ());
 }
 
 void
@@ -3184,7 +2897,7 @@ Editor::set_sync_point (framepos_t where, const RegionSelection& rs)
                        in_command = true;
                }
 
-                region->clear_changes ();
+               region->clear_changes ();
                region->set_sync_position (where);
                _session->add_command(new StatefulDiffCommand (region));
        }
@@ -3198,73 +2911,66 @@ Editor::set_sync_point (framepos_t where, const RegionSelection& rs)
 void
 Editor::remove_region_sync ()
 {
-       RegionSelection rs;
-
-       get_regions_for_action (rs);
-
+       RegionSelection rs = get_regions_from_selection_and_entered ();
+       
        if (rs.empty()) {
                return;
        }
 
-       begin_reversible_command (_("remove sync"));
+       begin_reversible_command (_("remove region sync"));
+       
        for (RegionSelection::iterator i = rs.begin(); i != rs.end(); ++i) {
 
-                (*i)->region()->clear_changes ();
+               (*i)->region()->clear_changes ();
                (*i)->region()->clear_sync_position ();
                _session->add_command(new StatefulDiffCommand ((*i)->region()));
        }
+       
        commit_reversible_command ();
 }
 
 void
-Editor::naturalize ()
+Editor::naturalize_region ()
 {
-       RegionSelection rs;
-
-       get_regions_for_action (rs);
+       RegionSelection rs = get_regions_from_selection_and_entered ();
 
        if (rs.empty()) {
                return;
        }
 
-       begin_reversible_command (_("naturalize"));
+       if (rs.size() > 1) {
+               begin_reversible_command (_("move regions to original position"));
+       } else {
+               begin_reversible_command (_("move region to original position"));
+       }
+               
        for (RegionSelection::iterator i = rs.begin(); i != rs.end(); ++i) {
                (*i)->region()->clear_changes ();
                (*i)->region()->move_to_natural_position (this);
                _session->add_command (new StatefulDiffCommand ((*i)->region()));
        }
+       
        commit_reversible_command ();
 }
 
 void
-Editor::align (RegionPoint what)
+Editor::align_regions (RegionPoint what)
 {
-       RegionSelection rs;
-
-       get_regions_for_action (rs);
-       framepos_t where = get_preferred_edit_position();
-
-       if (!rs.empty()) {
-               align_selection (what, where, rs);
-       } else {
-
-               RegionSelection rs;
-               get_regions_at (rs, where, selection->tracks);
-               align_selection (what, where, rs);
+       RegionSelection const rs = get_regions_from_selection_and_edit_point ();
+       
+       if (rs.empty()) {
+               return;
        }
-}
 
-void
-Editor::align_relative (RegionPoint what)
-{
-       framepos_t where = get_preferred_edit_position();
-       RegionSelection rs;
+       begin_reversible_command (_("align selection"));
 
-       get_regions_for_action (rs);
+       framepos_t const position = get_preferred_edit_position ();
 
-       if (!rs.empty()) {
-               align_selection_relative (what, where, rs);
+       for (RegionSelection::const_iterator i = rs.begin(); i != rs.end(); ++i) {
+               align_region_internal ((*i)->region(), what, position);
        }
+
+       commit_reversible_command ();
 }
 
 struct RegionSortByTime {
@@ -3274,12 +2980,16 @@ struct RegionSortByTime {
 };
 
 void
-Editor::align_selection_relative (RegionPoint point, framepos_t position, const RegionSelection& rs)
+Editor::align_regions_relative (RegionPoint point)
 {
+       RegionSelection const rs = get_regions_from_selection_and_edit_point ();
+       
        if (rs.empty()) {
                return;
        }
 
+       framepos_t const position = get_preferred_edit_position ();
+
        framepos_t distance = 0;
        framepos_t pos = 0;
        int dir = 1;
@@ -3330,7 +3040,7 @@ Editor::align_selection_relative (RegionPoint point, framepos_t position, const
 
        /* move first one specially */
 
-        r->clear_changes ();
+       r->clear_changes ();
        r->set_position (pos, this);
        _session->add_command(new StatefulDiffCommand (r));
 
@@ -3342,7 +3052,7 @@ Editor::align_selection_relative (RegionPoint point, framepos_t position, const
 
                boost::shared_ptr<Region> region ((*i)->region());
 
-                region->clear_changes ();
+               region->clear_changes ();
 
                if (dir > 0) {
                        region->set_position (region->position() + distance, this);
@@ -3357,22 +3067,6 @@ Editor::align_selection_relative (RegionPoint point, framepos_t position, const
        commit_reversible_command ();
 }
 
-void
-Editor::align_selection (RegionPoint point, framepos_t position, const RegionSelection& rs)
-{
-       if (rs.empty()) {
-               return;
-       }
-
-       begin_reversible_command (_("align selection"));
-
-       for (RegionSelection::const_iterator i = rs.begin(); i != rs.end(); ++i) {
-               align_region_internal ((*i)->region(), point, position);
-       }
-
-       commit_reversible_command ();
-}
-
 void
 Editor::align_region (boost::shared_ptr<Region> region, RegionPoint point, framepos_t position)
 {
@@ -3421,14 +3115,17 @@ void
 Editor::trim_region (bool front)
 {
        framepos_t where = get_preferred_edit_position();
-       RegionSelection rs;
+       RegionSelection rs = get_regions_from_selection_and_edit_point ();
 
-       get_regions_for_action (rs);
+       cerr << "trim regions\n";
 
        if (rs.empty()) {
+               cerr << " no regions\n";
                return;
        }
 
+       cerr << "where = " << where << endl;
+
        begin_reversible_command (front ? _("trim front") : _("trim back"));
 
        for (list<RegionView*>::const_iterator i = rs.by_layer().begin(); i != rs.by_layer().end(); ++i) {
@@ -3469,12 +3166,11 @@ Editor::trim_region_to_punch ()
        }
        trim_region_to_location (*loc, _("trim to punch"));
 }
+
 void
 Editor::trim_region_to_location (const Location& loc, const char* str)
 {
-       RegionSelection rs;
-
-       get_regions_for_action (rs);
+       RegionSelection rs = get_regions_from_selection_and_entered ();
 
        begin_reversible_command (str);
 
@@ -3513,82 +3209,6 @@ Editor::trim_region_to_location (const Location& loc, const char* str)
        commit_reversible_command ();
 }
 
-void
-Editor::trim_region_to_edit_point ()
-{
-       RegionSelection rs;
-
-       get_regions_for_action (rs);
-
-       framepos_t where = get_preferred_edit_position();
-
-       begin_reversible_command (_("trim region start to edit point"));
-
-       for (RegionSelection::iterator x = rs.begin(); x != rs.end(); ++x) {
-               RegionView* rv = (*x);
-
-               /* require region to cover trim */
-               if (!rv->region()->covers (where)) {
-                       continue;
-               }
-
-               RouteTimeAxisView* tav = dynamic_cast<RouteTimeAxisView*> (&rv->get_time_axis_view());
-               if (!tav) {
-                       return;
-               }
-
-               float speed = 1.0;
-
-               if (tav->track() != 0) {
-                       speed = tav->track()->speed();
-               }
-
-                rv->region()->clear_changes ();
-               rv->region()->trim_end (session_frame_to_track_frame(where, speed), this);
-               _session->add_command(new StatefulDiffCommand (rv->region()));
-       }
-
-       commit_reversible_command ();
-}
-
-void
-Editor::trim_region_from_edit_point ()
-{
-       RegionSelection rs;
-
-       get_regions_for_action (rs);
-
-       framepos_t where = get_preferred_edit_position();
-
-       begin_reversible_command (_("trim region end to edit point"));
-
-       for (RegionSelection::iterator x = rs.begin(); x != rs.end(); ++x) {
-               RegionView* rv = (*x);
-
-               /* require region to cover trim */
-               if (!rv->region()->covers (where)) {
-                       continue;
-               }
-
-               RouteTimeAxisView* tav = dynamic_cast<RouteTimeAxisView*> (&rv->get_time_axis_view());
-               if (!tav) {
-                       return;
-               }
-
-               float speed = 1.0;
-
-               if (tav->track() != 0) {
-                       speed = tav->track()->speed();
-               }
-
-                rv->region()->clear_changes ();
-               rv->region()->trim_front (session_frame_to_track_frame(where, speed), this);
-               _session->add_command(new StatefulDiffCommand (rv->region()));
-       }
-
-       commit_reversible_command ();
-}
-
 void
 Editor::trim_region_to_previous_region_end ()
 {
@@ -3604,9 +3224,7 @@ Editor::trim_region_to_next_region_start ()
 void
 Editor::trim_to_region(bool forward)
 {
-       RegionSelection rs;
-
-       get_regions_for_action (rs);
+       RegionSelection rs = get_regions_from_selection_and_entered ();
 
        begin_reversible_command (_("trim to region"));
 
@@ -3636,13 +3254,13 @@ Editor::trim_to_region(bool forward)
                boost::shared_ptr<Region> region = arv->region();
                boost::shared_ptr<Playlist> playlist (region->playlist());
 
-                region->clear_changes ();
+               region->clear_changes ();
 
-               if(forward){
+               if (forward) {
 
                    next_region = playlist->find_next_region (region->first_frame(), Start, 1);
 
-                   if(!next_region){
+                   if (!next_region) {
                        continue;
                    }
 
@@ -3701,6 +3319,19 @@ Editor::freeze_route ()
                return;
        }
 
+       if (!clicked_routeview->track()->bounceable()) {
+               RouteTimeAxisView* rtv = dynamic_cast<RouteTimeAxisView*> (clicked_routeview);
+               if (rtv && !rtv->track()->bounceable()) {
+                       MessageDialog d (
+                               _("This route cannot be frozen because it has more outputs than inputs.  "
+                                 "You can fix this by increasing the number of inputs.")
+                               );
+                       d.set_title (_("Cannot freeze"));
+                       d.run ();
+                       return;
+               }
+       }
+
        InterThreadInfo itt;
        current_interthread_info = &itt;
 
@@ -3708,7 +3339,7 @@ Editor::freeze_route ()
 
        pthread_create_and_store (X_("freezer"), &itt.thread, _freeze_thread, this);
 
-       set_canvas_cursor (wait_cursor);
+       set_canvas_cursor (_cursors->wait);
 
        while (!itt.done && !itt.cancel) {
                gtk_main_iteration ();
@@ -3727,6 +3358,19 @@ Editor::bounce_range_selection (bool replace, bool enable_processing)
 
        TrackSelection views = selection->tracks;
 
+       for (TrackViewList::iterator i = views.begin(); i != views.end(); ++i) {
+               RouteTimeAxisView* rtv = dynamic_cast<RouteTimeAxisView*> (*i);
+               if (rtv && !rtv->track()->bounceable()) {
+                       MessageDialog d (
+                               _("One or more selected tracks cannot be bounced because it has more outputs than inputs.  "
+                                 "You can fix this by increasing the number of inputs on that track.")
+                               );
+                       d.set_title (_("Cannot bounce"));
+                       d.run ();
+                       return;
+               }
+       }
+
        framepos_t start = selection->time[clicked_selection].start;
        framepos_t end = selection->time[clicked_selection].end;
        framepos_t cnt = end - start + 1;
@@ -3749,7 +3393,7 @@ Editor::bounce_range_selection (bool replace, bool enable_processing)
 
                InterThreadInfo itt;
 
-                playlist->clear_changes ();
+               playlist->clear_changes ();
                playlist->clear_owned_changes ();
                
                boost::shared_ptr<Region> r = rtv->track()->bounce_range (start, start+cnt, itt, enable_processing);
@@ -3765,7 +3409,7 @@ Editor::bounce_range_selection (bool replace, bool enable_processing)
                playlist->rdiff (cmds);
                _session->add_commands (cmds);
 
-                _session->add_command (new StatefulDiffCommand (playlist));
+               _session->add_command (new StatefulDiffCommand (playlist));
        }
 
        commit_reversible_command ();
@@ -3881,7 +3525,7 @@ Editor::cut_copy (CutCopyOp op)
                /* we only want to cut regions if some are selected */
 
                if (!selection->regions.empty()) {
-                       get_regions_for_action (rs, false, false);
+                       rs = selection->regions;
                }
 
                switch (current_mouse_mode()) {
@@ -3998,7 +3642,7 @@ Editor::remove_clicked_region ()
        boost::shared_ptr<Playlist> playlist = clicked_routeview->playlist();
 
        begin_reversible_command (_("remove region"));
-        playlist->clear_changes ();
+       playlist->clear_changes ();
        playlist->remove_region (clicked_regionview->region());
        _session->add_command(new StatefulDiffCommand (playlist));
        commit_reversible_command ();
@@ -4009,14 +3653,9 @@ Editor::remove_clicked_region ()
 void
 Editor::remove_selected_regions ()
 {
-       RegionSelection rs;
-       get_regions_for_action (rs);
-
-       if (!_session) {
-               return;
-       }
+       RegionSelection rs = get_regions_from_selection_and_entered ();
 
-       if (rs.empty()) {
+       if (!_session || rs.empty()) {
                return;
        }
 
@@ -4037,7 +3676,7 @@ Editor::remove_selected_regions ()
                regions_to_remove.push_back ((*i)->region());
        }
 
-        vector<boost::shared_ptr<Playlist> > playlists;
+       vector<boost::shared_ptr<Playlist> > playlists;
 
        for (list<boost::shared_ptr<Region> >::iterator rl = regions_to_remove.begin(); rl != regions_to_remove.end(); ++rl) {
 
@@ -4059,7 +3698,7 @@ Editor::remove_selected_regions ()
 
                if (i == playlists.end()) {
 
-                        playlist->clear_changes ();
+                       playlist->clear_changes ();
                        playlist->freeze ();
 
                        playlists.push_back (playlist);
@@ -4093,7 +3732,7 @@ Editor::cut_copy_regions (CutCopyOp op, RegionSelection& rs)
        framepos_t first_position = max_framepos;
 
        typedef set<boost::shared_ptr<Playlist> > FreezeList;
-        FreezeList freezelist;
+       FreezeList freezelist;
 
        /* get ordering correct before we cut/copy */
 
@@ -4117,7 +3756,7 @@ Editor::cut_copy_regions (CutCopyOp op, RegionSelection& rs)
                                }
 
                                if (fl == freezelist.end()) {
-                                        pl->clear_changes();
+                                       pl->clear_changes();
                                        pl->freeze ();
                                        freezelist.insert (pl);
                                }
@@ -4144,9 +3783,9 @@ Editor::cut_copy_regions (CutCopyOp op, RegionSelection& rs)
 
                if (!pl) {
                        /* region not yet associated with a playlist (e.g. unfinished
-                           capture pass.
-                        */
-                        ++x;
+                          capture pass.
+                       */
+                       ++x;
                        continue;
                }
 
@@ -4205,10 +3844,10 @@ Editor::cut_copy_regions (CutCopyOp op, RegionSelection& rs)
        /* the pmap is in the same order as the tracks in which selected regions occured */
 
        for (vector<PlaylistMapping>::iterator i = pmap.begin(); i != pmap.end(); ++i) {
-                if ((*i).pl) {
-                        (*i).pl->thaw();
-                        foo.push_back ((*i).pl);
-                }
+               if ((*i).pl) {
+                       (*i).pl->thaw();
+                       foo.push_back ((*i).pl);
+               }
        }
 
        if (!foo.empty()) {
@@ -4251,6 +3890,7 @@ Editor::cut_copy_ranges (CutCopyOp op)
 void
 Editor::paste (float times)
 {
+        DEBUG_TRACE (DEBUG::CutNPaste, "paste to preferred edit pos\n");
        paste_internal (get_preferred_edit_position(), times);
 }
 
@@ -4271,7 +3911,7 @@ Editor::mouse_paste ()
 void
 Editor::paste_internal (framepos_t position, float times)
 {
-       bool commit = false;
+        DEBUG_TRACE (DEBUG::CutNPaste, string_compose ("apparent paste position is %1\n", position));
 
        if (internal_editing()) {
                if (cut_buffer->midi_notes.empty()) {
@@ -4285,10 +3925,9 @@ Editor::paste_internal (framepos_t position, float times)
 
        if (position == max_framepos) {
                position = get_preferred_edit_position();
+                DEBUG_TRACE (DEBUG::CutNPaste, string_compose ("preferred edit position is %1\n", position));
        }
 
-       begin_reversible_command (_("paste"));
-
        TrackViewList ts;
        TrackViewList::iterator i;
        size_t nth;
@@ -4306,18 +3945,18 @@ Editor::paste_internal (framepos_t position, float times)
                ts.push_back (_last_cut_copy_source_track);
        }
 
-       for (nth = 0, i = ts.begin(); i != ts.end(); ++i, ++nth) {
+       if (internal_editing ()) {
 
                /* undo/redo is handled by individual tracks/regions */
-
-               if (internal_editing()) {
-
+               
+               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);
-
+                       
                        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);
@@ -4326,16 +3965,18 @@ Editor::paste_internal (framepos_t position, float times)
                                        ++cb;
                                }
                        }
+               }
+               
+       } else {
 
-               } else {
+               /* we do redo (do you do voodoo?) */
 
-                       if ((*i)->paste (position, times, *cut_buffer, nth)) {
-                               commit = true;
-                       }
+               begin_reversible_command (Operations::paste);
+               
+               for (nth = 0, i = ts.begin(); i != ts.end(); ++i, ++nth) {
+                       (*i)->paste (position, times, *cut_buffer, nth);
                }
-       }
-
-       if (commit) {
+               
                commit_reversible_command ();
        }
 }
@@ -4347,10 +3988,10 @@ Editor::duplicate_some_regions (RegionSelection& regions, float times)
        RegionSelection sel = regions; // clear (below) may  clear the argument list if its the current region selection
        RegionSelection foo;
 
-       nframes_t const start_frame = regions.start ();
-       nframes_t const end_frame = regions.end_frame ();
+       framepos_t const start_frame = regions.start ();
+       framepos_t const end_frame = regions.end_frame ();
 
-       begin_reversible_command (_("duplicate region"));
+       begin_reversible_command (Operations::duplicate_region);
 
        selection->clear_regions ();
 
@@ -4364,7 +4005,7 @@ Editor::duplicate_some_regions (RegionSelection& regions, float times)
                sigc::connection c = rtv->view()->RegionViewAdded.connect (sigc::mem_fun(*this, &Editor::collect_new_region_view));
 
                playlist = (*i)->region()->playlist();
-                playlist->clear_changes ();
+               playlist->clear_changes ();
                playlist->duplicate (r, end_frame + (r->first_frame() - start_frame), times);
                _session->add_command(new StatefulDiffCommand (playlist));
 
@@ -4405,7 +4046,7 @@ Editor::duplicate_selection (float times)
                if ((playlist = (*i)->playlist()) == 0) {
                        continue;
                }
-                playlist->clear_changes ();
+               playlist->clear_changes ();
                playlist->duplicate (*ri, selection->time[clicked_selection].end, times);
                _session->add_command (new StatefulDiffCommand (playlist));
 
@@ -4447,14 +4088,13 @@ Editor::center_edit_point ()
        center_screen_internal (get_preferred_edit_position(), page);
 }
 
+/** Caller must begin and commit a reversible command */
 void
 Editor::clear_playlist (boost::shared_ptr<Playlist> playlist)
 {
-       begin_reversible_command (_("clear playlist"));
-        playlist->clear_changes ();
+       playlist->clear_changes ();
        playlist->clear ();
        _session->add_command (new StatefulDiffCommand (playlist));
-       commit_reversible_command ();
 }
 
 void
@@ -4487,17 +4127,17 @@ Editor::nudge_track (bool use_edit, bool forwards)
                        continue;
                }
 
-                playlist->clear_changes ();
-                playlist->clear_owned_changes ();
+               playlist->clear_changes ();
+               playlist->clear_owned_changes ();
 
                playlist->nudge_after (start, distance, forwards);
-                
-                vector<Command*> cmds;
-
-                playlist->rdiff (cmds);
+               
+               vector<Command*> cmds;
+               
+               playlist->rdiff (cmds);
                _session->add_commands (cmds);
-
-                _session->add_command (new StatefulDiffCommand (playlist));
+               
+               _session->add_command (new StatefulDiffCommand (playlist));
        }
 
        commit_reversible_command ();
@@ -4524,12 +4164,12 @@ Editor::remove_last_capture ()
 
                if (prompter.run () == 1) {
                        _session->remove_last_capture ();
-                        _regions->redisplay ();
+                       _regions->redisplay ();
                }
 
        } else {
                _session->remove_last_capture();
-                _regions->redisplay ();
+               _regions->redisplay ();
        }
 }
 
@@ -4540,82 +4180,69 @@ Editor::normalize_region ()
                return;
        }
 
-       RegionSelection rs;
-       get_regions_for_action (rs);
-
+       RegionSelection rs = get_regions_from_selection_and_entered ();
+       
        if (rs.empty()) {
                return;
        }
 
-       Dialog dialog (rs.size() > 1 ? _("Normalize regions") : _("Normalize region"));
-
-       VBox vbox;
-       vbox.set_spacing (6);
-       vbox.set_border_width (6);
-       
-       HBox hbox;
-       hbox.set_spacing (6);
-       hbox.set_border_width (6);
-       hbox.pack_start (*manage (new Label (_("Normalize to:"))));
-       SpinButton spin (0.2, 2);
-       spin.set_range (-112, 0);
-       spin.set_increments (0.1, 1);
-       spin.set_value (0);
-       hbox.pack_start (spin);
-       spin.set_value (_last_normalization_value);
-       hbox.pack_start (*manage (new Label (_("dbFS"))));
-       vbox.pack_start (hbox);
-
-       CheckButton* normalize_across_all = manage (new CheckButton (_("Normalize across all selected regions")));
-       vbox.pack_start (*normalize_across_all);
-       if (rs.size() <= 1) {
-               normalize_across_all->set_sensitive (false);
-       }
-
-       vbox.show_all ();
-       
-       dialog.get_vbox()->set_spacing (12);
-       dialog.get_vbox()->pack_start (vbox);
-       dialog.add_button (Stock::CANCEL, RESPONSE_CANCEL);
-       dialog.add_button (_("Normalize"), RESPONSE_ACCEPT);
+       NormalizeDialog dialog (rs.size() > 1);
 
        if (dialog.run () == RESPONSE_CANCEL) {
                return;
        }
 
-       begin_reversible_command (_("normalize"));
-
-       set_canvas_cursor (wait_cursor);
+       set_canvas_cursor (_cursors->wait);
        gdk_flush ();
 
-       double maxamp = 0;
-       if (normalize_across_all->get_active ()) {
-               for (RegionSelection::iterator r = rs.begin(); r != rs.end(); ++r) {
-                       AudioRegionView* const arv = dynamic_cast<AudioRegionView*> (*r);
-                       if (!arv) {
-                               continue;
+       /* XXX: should really only count audio regions here */
+       int const regions = rs.size ();
+
+       /* Make a list of the selected audio regions' maximum amplitudes, and also
+          obtain the maximum amplitude of them all.
+       */
+       list<double> max_amps;
+       double max_amp = 0;
+       for (RegionSelection::const_iterator i = rs.begin(); i != rs.end(); ++i) {
+               AudioRegionView const * arv = dynamic_cast<AudioRegionView const *> (*i);
+               if (arv) {
+                       dialog.descend (1.0 / regions);
+                       double const a = arv->audio_region()->maximum_amplitude (&dialog);
+
+                       if (a == -1) {
+                               /* the user cancelled the operation */
+                               set_canvas_cursor (current_canvas_cursor);
+                               return;
                        }
-                       maxamp = max (maxamp, arv->audio_region()->maximum_amplitude ());
+                       
+                       max_amps.push_back (a);
+                       max_amp = max (max_amp, a);
+                       dialog.ascend ();
                }
        }
+
+       begin_reversible_command (_("normalize"));
+
+       list<double>::const_iterator a = max_amps.begin ();
        
        for (RegionSelection::iterator r = rs.begin(); r != rs.end(); ++r) {
                AudioRegionView* const arv = dynamic_cast<AudioRegionView*> (*r);
                if (!arv) {
                        continue;
                }
+
                arv->region()->clear_changes ();
 
-               double const amp = normalize_across_all->get_active() ? maxamp : arv->audio_region()->maximum_amplitude ();
+               double const amp = dialog.normalize_individually() ? *a : max_amp;
                
-               arv->audio_region()->normalize (amp, spin.get_value ());
+               arv->audio_region()->normalize (amp, dialog.target ());
                _session->add_command (new StatefulDiffCommand (arv->region()));
+
+               ++a;
        }
 
        commit_reversible_command ();
        set_canvas_cursor (current_canvas_cursor);
-
-       _last_normalization_value = spin.get_value ();
 }
 
 
@@ -4626,9 +4253,7 @@ Editor::reset_region_scale_amplitude ()
                return;
        }
 
-       RegionSelection rs;
-
-       get_regions_for_action (rs);
+       RegionSelection rs = get_regions_from_selection_and_entered ();
 
        if (rs.empty()) {
                return;
@@ -4640,7 +4265,7 @@ Editor::reset_region_scale_amplitude ()
                AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(*r);
                if (!arv)
                        continue;
-                arv->region()->clear_changes ();
+               arv->region()->clear_changes ();
                arv->audio_region()->set_scale_amplitude (1.0f);
                _session->add_command (new StatefulDiffCommand (arv->region()));
        }
@@ -4649,51 +4274,33 @@ Editor::reset_region_scale_amplitude ()
 }
 
 void
-Editor::adjust_region_scale_amplitude (bool up)
+Editor::adjust_region_gain (bool up)
 {
-       if (!_session) {
+       RegionSelection rs = get_regions_from_selection_and_entered ();
+
+       if (!_session || rs.empty()) {
                return;
        }
 
-       RegionSelection rs;
-
-       get_regions_for_action (rs);
-
-       if (rs.empty()) {
-               return;
-       }
-
-       begin_reversible_command ("denormalize");
+       begin_reversible_command ("adjust region gain");
 
        for (RegionSelection::iterator r = rs.begin(); r != rs.end(); ++r) {
                AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(*r);
                if (!arv) {
                        continue;
-                }
-
-                arv->region()->clear_changes ();
-                
-               double fraction = gain_to_slider_position (arv->audio_region()->scale_amplitude ());
-
-               if (up) {
-                       fraction += 0.05;
-                       fraction = min (fraction, 1.0);
-               } else {
-                       fraction -= 0.05;
-                       fraction = max (fraction, 0.0);
                }
 
-               if (!up && fraction <= 0) {
-                       continue;
-               }
+               arv->region()->clear_changes ();
 
-               fraction = slider_position_to_gain (fraction);
+               double dB = accurate_coefficient_to_dB (arv->audio_region()->scale_amplitude ());
 
-               if (up && fraction >= 2.0) {
-                       continue;
+               if (up) {
+                       dB += 1;
+               } else {
+                       dB -= 1;
                }
 
-               arv->audio_region()->set_scale_amplitude (fraction);
+               arv->audio_region()->set_scale_amplitude (dB_to_coefficient (dB));
                _session->add_command (new StatefulDiffCommand (arv->region()));
        }
 
@@ -4719,29 +4326,32 @@ Editor::strip_region_silence ()
                return;
        }
 
-       RegionSelection rs;
-       get_regions_for_action (rs);
+       RegionSelection rs = get_regions_from_selection_and_entered ();
 
        if (rs.empty()) {
                return;
        }
 
-       std::list<boost::shared_ptr<AudioRegion> > ar;
+       std::list<RegionView*> audio_only;
 
        for (RegionSelection::iterator i = rs.begin(); i != rs.end(); ++i) {
                AudioRegionView* const arv = dynamic_cast<AudioRegionView*> (*i);
                if (arv) {
-                       ar.push_back (arv->audio_region ());
+                       audio_only.push_back (arv);
                }
        }
 
-       StripSilenceDialog d (_session, ar);
+       StripSilenceDialog d (_session, audio_only);
        int const r = d.run ();
 
-       if (r == Gtk::RESPONSE_OK) {
-               StripSilence s (*_session, d.threshold (), d.minimum_length (), d.fade_length ());
+        d.drop_rects ();
+       
+        if (r == Gtk::RESPONSE_OK) {
+                ARDOUR::AudioIntervalMap silences;
+                d.silences (silences);
+               StripSilence s (*_session, silences, d.fade_length());
                apply_filter (s, _("strip silence"), &d);
-       }
+       } 
 }
 
 Command*
@@ -4759,10 +4369,9 @@ Editor::apply_midi_note_edit_op_to_region (MidiOperator& op, MidiRegionView& mrv
 void
 Editor::apply_midi_note_edit_op (MidiOperator& op)
 {
-       RegionSelection rs;
        Command* cmd;
 
-       get_regions_for_action (rs);
+       RegionSelection rs = get_regions_from_selection_and_entered ();
 
        if (rs.empty()) {
                return;
@@ -4788,15 +4397,12 @@ Editor::apply_midi_note_edit_op (MidiOperator& op)
        }
 
        commit_reversible_command ();
-       rs.clear ();
 }
 
 void
 Editor::fork_region ()
 {
-       RegionSelection rs;
-
-       get_regions_for_action (rs);
+       RegionSelection rs = get_regions_from_selection_and_entered ();
 
        if (rs.empty()) {
                return;
@@ -4804,7 +4410,7 @@ Editor::fork_region ()
 
        begin_reversible_command (_("Fork Region(s)"));
 
-       set_canvas_cursor (wait_cursor);
+       set_canvas_cursor (_cursors->wait);
        gdk_flush ();
 
        for (RegionSelection::iterator r = rs.begin(); r != rs.end(); ) {
@@ -4815,18 +4421,17 @@ Editor::fork_region ()
 
                if (mrv) {
                        boost::shared_ptr<Playlist> playlist = mrv->region()->playlist();
-                        boost::shared_ptr<MidiRegion> newregion = mrv->midi_region()->clone ();
+                       boost::shared_ptr<MidiRegion> newregion = mrv->midi_region()->clone ();
                         
-                        playlist->clear_changes ();
-                        playlist->replace_region (mrv->region(), newregion, mrv->region()->position());
-                        _session->add_command(new StatefulDiffCommand (playlist));
+                       playlist->clear_changes ();
+                       playlist->replace_region (mrv->region(), newregion, mrv->region()->position());
+                       _session->add_command(new StatefulDiffCommand (playlist));
                }
 
                r = tmp;
        }
 
        commit_reversible_command ();
-       rs.clear ();
 
        set_canvas_cursor (current_canvas_cursor);
 }
@@ -4834,10 +4439,29 @@ Editor::fork_region ()
 void
 Editor::quantize_region ()
 {
+       int selected_midi_region_cnt = 0;
+
        if (!_session) {
                return;
        }
 
+       RegionSelection rs = get_regions_from_selection_and_entered ();
+
+       if (rs.empty()) {
+               return;
+       }
+
+       for (RegionSelection::iterator r = rs.begin(); r != rs.end(); ++r) {
+               MidiRegionView* const mrv = dynamic_cast<MidiRegionView*> (*r);
+               if (mrv) {
+                       selected_midi_region_cnt++;
+               }
+       }
+
+       if (selected_midi_region_cnt == 0) {
+               return;
+       }
+
        QuantizeDialog* qd = new QuantizeDialog (*this);
 
        qd->present ();
@@ -4855,11 +4479,36 @@ Editor::quantize_region ()
 }
 
 void
-Editor::apply_filter (Filter& filter, string command, ProgressReporter* progress)
+Editor::insert_patch_change ()
 {
-       RegionSelection rs;
+       RegionSelection rs = get_regions_from_selection_and_entered ();
+       if (rs.empty ()) {
+               return;
+       }
+
+       framepos_t const p = get_preferred_edit_position (false);
+
+       Evoral::PatchChange<Evoral::MusicalTime> empty (0, 0, 0, 0);
+       PatchChangeDialog d (0, _session, empty, Gtk::Stock::ADD);
+       
+       if (d.run() == RESPONSE_CANCEL) {
+               return;
+       }
+
+       for (RegionSelection::iterator i = rs.begin (); i != rs.end(); ++i) {
+               MidiRegionView* const mrv = dynamic_cast<MidiRegionView*> (*i);
+               if (mrv) {
+                       if (p >= mrv->region()->first_frame() && p <= mrv->region()->last_frame()) {
+                               mrv->add_patch_change (p - mrv->region()->position(), d.patch ());
+                       }
+               }
+       }
+}
 
-       get_regions_for_action (rs);
+void
+Editor::apply_filter (Filter& filter, string command, ProgressReporter* progress)
+{
+       RegionSelection rs = get_regions_from_selection_and_entered ();
 
        if (rs.empty()) {
                return;
@@ -4867,7 +4516,7 @@ Editor::apply_filter (Filter& filter, string command, ProgressReporter* progress
 
        begin_reversible_command (command);
 
-       set_canvas_cursor (wait_cursor);
+       set_canvas_cursor (_cursors->wait);
        gdk_flush ();
 
        int n = 0;
@@ -4917,7 +4566,6 @@ Editor::apply_filter (Filter& filter, string command, ProgressReporter* progress
 
                        if (progress) {
                                progress->ascend ();
-                               progress->set_progress (float (n + 1) / N);
                        }
                }
 
@@ -4926,69 +4574,21 @@ Editor::apply_filter (Filter& filter, string command, ProgressReporter* progress
        }
 
        commit_reversible_command ();
-       rs.clear ();
 
   out:
        set_canvas_cursor (current_canvas_cursor);
 }
 
-void
-Editor::region_selection_op (void (Region::*pmf)(void))
-{
-       for (RegionSelection::iterator i = selection->regions.begin(); i != selection->regions.end(); ++i) {
-               Region* region = (*i)->region().get();
-               (region->*pmf)();
-       }
-}
-
-
-void
-Editor::region_selection_op (void (Region::*pmf)(void*), void *arg)
-{
-       for (RegionSelection::iterator i = selection->regions.begin(); i != selection->regions.end(); ++i) {
-               Region* region = (*i)->region().get();
-               (region->*pmf)(arg);
-       }
-}
-
-void
-Editor::region_selection_op (void (Region::*pmf)(bool), bool yn)
-{
-       for (RegionSelection::iterator i = selection->regions.begin(); i != selection->regions.end(); ++i) {
-               Region* region = (*i)->region().get();
-               (region->*pmf)(yn);
-       }
-}
-
 void
 Editor::external_edit_region ()
 {
        /* more to come */
 }
 
-void
-Editor::brush (framepos_t pos)
-{
-       RegionSelection sel;
-       RegionSelection rs;
-
-       get_regions_for_action (rs);
-
-       snap_to (pos);
-
-       if (rs.empty()) {
-               return;
-       }
-
-       for (RegionSelection::iterator i = rs.begin(); i != rs.end(); ++i) {
-               mouse_brush_insert_region ((*i), pos);
-       }
-}
-
 void
 Editor::reset_region_gain_envelopes ()
 {
-       RegionSelection rs = get_equivalent_regions (selection->regions, ARDOUR::Properties::edit.property_id);
+       RegionSelection rs = get_regions_from_selection_and_entered ();
 
        if (!_session || rs.empty()) {
                return;
@@ -5013,7 +4613,11 @@ Editor::reset_region_gain_envelopes ()
 void
 Editor::toggle_gain_envelope_visibility ()
 {
-       RegionSelection rs = get_equivalent_regions (selection->regions, ARDOUR::Properties::edit.property_id);
+       if (_ignore_region_action) {
+               return;
+       }
+       
+       RegionSelection rs = get_regions_from_selection_and_entered ();
 
        if (!_session || rs.empty()) {
                return;
@@ -5024,7 +4628,7 @@ Editor::toggle_gain_envelope_visibility ()
        for (RegionSelection::iterator i = rs.begin(); i != rs.end(); ++i) {
                AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(*i);
                if (arv) {
-                        arv->region()->clear_changes ();
+                       arv->region()->clear_changes ();
                        arv->set_envelope_visible (!arv->envelope_visible());
                        _session->add_command (new StatefulDiffCommand (arv->region()));
                }
@@ -5036,7 +4640,11 @@ Editor::toggle_gain_envelope_visibility ()
 void
 Editor::toggle_gain_envelope_active ()
 {
-       RegionSelection rs = get_equivalent_regions (selection->regions, ARDOUR::Properties::edit.property_id);
+       if (_ignore_region_action) {
+               return;
+       }
+       
+       RegionSelection rs = get_regions_from_selection_and_entered ();
 
        if (!_session || rs.empty()) {
                return;
@@ -5059,13 +4667,17 @@ Editor::toggle_gain_envelope_active ()
 void
 Editor::toggle_region_lock ()
 {
-       RegionSelection rs = get_equivalent_regions (selection->regions, ARDOUR::Properties::edit.property_id);
+       if (_ignore_region_action) {
+               return;
+       }
+
+       RegionSelection rs = get_regions_from_selection_and_entered ();
 
        if (!_session || rs.empty()) {
                return;
        }
 
-       _session->begin_reversible_command (_("region lock"));
+       _session->begin_reversible_command (_("toggle region lock"));
 
        for (RegionSelection::iterator i = rs.begin(); i != rs.end(); ++i) {
                (*i)->region()->clear_changes ();
@@ -5079,7 +4691,11 @@ Editor::toggle_region_lock ()
 void
 Editor::toggle_region_lock_style ()
 {
-       RegionSelection rs = get_equivalent_regions (selection->regions, ARDOUR::Properties::edit.property_id);
+       if (_ignore_region_action) {
+               return;
+       }
+       
+       RegionSelection rs = get_regions_from_selection_and_entered ();
 
        if (!_session || rs.empty()) {
                return;
@@ -5088,7 +4704,7 @@ Editor::toggle_region_lock_style ()
        _session->begin_reversible_command (_("region lock style"));
 
        for (RegionSelection::iterator i = rs.begin(); i != rs.end(); ++i) {
-                (*i)->region()->clear_changes ();
+               (*i)->region()->clear_changes ();
                PositionLockStyle const ns = (*i)->region()->position_lock_style() == AudioTime ? MusicTime : AudioTime;
                (*i)->region()->set_position_lock_style (ns);
                _session->add_command (new StatefulDiffCommand ((*i)->region()));
@@ -5097,37 +4713,20 @@ Editor::toggle_region_lock_style ()
        _session->commit_reversible_command ();
 }
 
-
 void
-Editor::toggle_region_mute ()
+Editor::toggle_opaque_region ()
 {
-       RegionSelection rs = get_equivalent_regions (selection->regions, ARDOUR::Properties::edit.property_id);
-
-       if (!_session || rs.empty()) {
+       if (_ignore_region_action) {
                return;
        }
-
-       _session->begin_reversible_command (_("region mute"));
-
-       for (RegionSelection::iterator i = rs.begin(); i != rs.end(); ++i) {
-               (*i)->region()->clear_changes ();
-               (*i)->region()->set_muted (!(*i)->region()->muted());
-               _session->add_command (new StatefulDiffCommand ((*i)->region()));
-       }
-
-       _session->commit_reversible_command ();
-}
-
-void
-Editor::toggle_region_opaque ()
-{
-       RegionSelection rs = get_equivalent_regions (selection->regions, ARDOUR::Properties::edit.property_id);
+       
+       RegionSelection rs = get_regions_from_selection_and_entered ();
 
        if (!_session || rs.empty()) {
                return;
        }
 
-       _session->begin_reversible_command (_("region opacity"));
+       _session->begin_reversible_command (_("change region opacity"));
 
        for (RegionSelection::iterator i = rs.begin(); i != rs.end(); ++i) {
                (*i)->region()->clear_changes ();
@@ -5163,9 +4762,7 @@ Editor::toggle_record_enable ()
 void
 Editor::set_fade_length (bool in)
 {
-       RegionSelection rs;
-
-       get_regions_for_action (rs, true);
+       RegionSelection rs = get_regions_from_selection_and_entered ();
 
        if (rs.empty()) {
                return;
@@ -5233,63 +4830,10 @@ Editor::set_fade_length (bool in)
        commit_reversible_command ();
 }
 
-void
-Editor::toggle_fade_active (bool in)
-{
-       RegionSelection rs;
-
-       get_regions_for_action (rs);
-
-       if (rs.empty()) {
-               return;
-       }
-
-       const char* cmd = (in ? _("toggle fade in active") : _("toggle fade out active"));
-       bool have_switch = false;
-       bool yn = false;
-
-       begin_reversible_command (cmd);
-
-       for (RegionSelection::iterator x = rs.begin(); x != rs.end(); ++x) {
-               AudioRegionView* tmp = dynamic_cast<AudioRegionView*> (*x);
-
-               if (!tmp) {
-                       return;
-               }
-
-               boost::shared_ptr<AudioRegion> region (tmp->audio_region());
-
-               /* make the behaviour consistent across all regions */
-
-               if (!have_switch) {
-                       if (in) {
-                               yn = region->fade_in_active();
-                       } else {
-                               yn = region->fade_out_active();
-                       }
-                       have_switch = true;
-               }
-
-               region->clear_changes ();
-
-               if (in) {
-                       region->set_fade_in_active (!yn);
-               } else {
-                       region->set_fade_out_active (!yn);
-               }
-               
-               _session->add_command(new StatefulDiffCommand (region));
-       }
-
-       commit_reversible_command ();
-}
-
 void
 Editor::set_fade_in_shape (FadeShape shape)
 {
-       RegionSelection rs;
-
-       get_regions_for_action (rs);
+       RegionSelection rs = get_regions_from_selection_and_entered ();
 
        if (rs.empty()) {
                return;
@@ -5320,9 +4864,7 @@ Editor::set_fade_in_shape (FadeShape shape)
 void
 Editor::set_fade_out_shape (FadeShape shape)
 {
-       RegionSelection rs;
-
-       get_regions_for_action (rs);
+       RegionSelection rs = get_regions_from_selection_and_entered ();
 
        if (rs.empty()) {
                return;
@@ -5352,9 +4894,7 @@ Editor::set_fade_out_shape (FadeShape shape)
 void
 Editor::set_fade_in_active (bool yn)
 {
-       RegionSelection rs;
-
-       get_regions_for_action (rs);
+       RegionSelection rs = get_regions_from_selection_and_entered ();
 
        if (rs.empty()) {
                return;
@@ -5372,7 +4912,7 @@ Editor::set_fade_in_active (bool yn)
 
                boost::shared_ptr<AudioRegion> ar (tmp->audio_region());
                
-                ar->clear_changes ();
+               ar->clear_changes ();
                ar->set_fade_in_active (yn);
                _session->add_command (new StatefulDiffCommand (ar));
        }
@@ -5383,9 +4923,7 @@ Editor::set_fade_in_active (bool yn)
 void
 Editor::set_fade_out_active (bool yn)
 {
-       RegionSelection rs;
-
-       get_regions_for_action (rs);
+       RegionSelection rs = get_regions_from_selection_and_entered ();
 
        if (rs.empty()) {
                return;
@@ -5402,7 +4940,7 @@ Editor::set_fade_out_active (bool yn)
 
                boost::shared_ptr<AudioRegion> ar (tmp->audio_region());
 
-                ar->clear_changes ();
+               ar->clear_changes ();
                ar->set_fade_out_active (yn);
                _session->add_command(new StatefulDiffCommand (ar));
        }
@@ -5411,19 +4949,18 @@ Editor::set_fade_out_active (bool yn)
 }
 
 void
-Editor::toggle_selected_region_fades (int dir)
+Editor::toggle_region_fades (int dir)
 {
-       RegionSelection rs;
-       RegionSelection::iterator i;
        boost::shared_ptr<AudioRegion> ar;
        bool yn;
 
-       get_regions_for_action (rs);
+       RegionSelection rs = get_regions_from_selection_and_entered ();
 
        if (rs.empty()) {
                return;
        }
 
+       RegionSelection::iterator i;    
        for (i = rs.begin(); i != rs.end(); ++i) {
                if ((ar = boost::dynamic_pointer_cast<AudioRegion>((*i)->region())) != 0) {
                        if (dir == -1) {
@@ -5541,20 +5078,18 @@ Editor::set_playhead_cursor ()
 }
 
 void
-Editor::split ()
+Editor::split_region ()
 {
-        if (((mouse_mode == MouseRange) || 
-             (mouse_mode != MouseObject && _join_object_range_state == JOIN_OBJECT_RANGE_RANGE)) && 
-            !selection->time.empty()) {
-                separate_regions_between (selection->time);
-                return;
-        } 
-
-       RegionSelection rs;
+       if (((mouse_mode == MouseRange) || 
+            (mouse_mode != MouseObject && _join_object_range_state == JOIN_OBJECT_RANGE_RANGE)) && 
+           !selection->time.empty()) {
+               separate_regions_between (selection->time);
+               return;
+       } 
 
-       get_regions_for_action (rs, true);
+       RegionSelection rs = get_regions_from_selection_and_edit_point ();
 
-       framepos_t where = get_preferred_edit_position();
+       framepos_t where = get_preferred_edit_position ();
 
        if (rs.empty()) {
                return;
@@ -5664,7 +5199,7 @@ Editor::ensure_track_visible(TimeAxisView *track)
        double const track_max_y = track->y_position () + track->effective_height ();
 
        if (track_min_y >= current_view_min_y &&
-            track_max_y <= current_view_max_y) {
+           track_max_y <= current_view_max_y) {
                return;
        }
 
@@ -5727,9 +5262,7 @@ Editor::set_loop_from_region (bool play)
        framepos_t start = max_framepos;
        framepos_t end = 0;
 
-       RegionSelection rs;
-
-       get_regions_for_action (rs);
+       RegionSelection rs = get_regions_from_selection_and_entered ();
 
        if (rs.empty()) {
                return;
@@ -5788,9 +5321,7 @@ Editor::set_punch_from_region ()
        framepos_t start = max_framepos;
        framepos_t end = 0;
 
-       RegionSelection rs;
-
-       get_regions_for_action (rs);
+       RegionSelection rs = get_regions_from_selection_and_entered ();
 
        if (rs.empty()) {
                return;
@@ -5809,11 +5340,9 @@ Editor::set_punch_from_region ()
 }
 
 void
-Editor::pitch_shift_regions ()
+Editor::pitch_shift_region ()
 {
-       RegionSelection rs;
-
-       get_regions_for_action (rs);
+       RegionSelection rs = get_regions_from_selection_and_entered ();
 
        if (rs.empty()) {
                return;
@@ -5823,17 +5352,11 @@ Editor::pitch_shift_regions ()
 }
 
 void
-Editor::use_region_as_bar ()
+Editor::set_tempo_from_region ()
 {
-       if (!_session) {
-               return;
-       }
-
-       RegionSelection rs;
+       RegionSelection rs = get_regions_from_selection_and_entered ();
 
-       get_regions_for_action (rs);
-
-       if (rs.empty()) {
+       if (!_session || rs.empty()) {
                return;
        }
 
@@ -5942,15 +5465,9 @@ Editor::split_region_at_transients ()
 {
        AnalysisFeatureList positions;
 
-       if (!_session) {
-               return;
-       }
-
-       RegionSelection rs;
+       RegionSelection rs = get_regions_from_selection_and_entered ();
 
-       get_regions_for_action (rs);
-
-       if (rs.empty()) {
+       if (!_session || rs.empty()) {
                return;
        }
 
@@ -5978,11 +5495,13 @@ Editor::split_region_at_transients ()
 }
 
 void
-Editor::split_region_at_points (boost::shared_ptr<Region> r, AnalysisFeatureList& positions, bool can_ferret)
+Editor::split_region_at_points (boost::shared_ptr<Region> r, AnalysisFeatureList& positions, bool can_ferret, bool select_new)
 {
        bool use_rhythmic_rodent = false;
-
+       
        boost::shared_ptr<Playlist> pl = r->playlist();
+       
+       list<boost::shared_ptr<Region> > new_regions;
 
        if (!pl) {
                return;
@@ -5993,7 +5512,7 @@ Editor::split_region_at_points (boost::shared_ptr<Region> r, AnalysisFeatureList
        }
 
 
-       if (positions.size() > 20) {
+       if (positions.size() > 20 && can_ferret) {
                std::string msgstr = string_compose (_("You are about to split\n%1\ninto %2 pieces.\nThis could take a long time."), r->name(), positions.size() + 1);
                MessageDialog msg (msgstr,
                                   false,
@@ -6031,7 +5550,7 @@ Editor::split_region_at_points (boost::shared_ptr<Region> r, AnalysisFeatureList
 
        AnalysisFeatureList::const_iterator x;
 
-        pl->clear_changes ();
+       pl->clear_changes ();
 
        x = positions.begin();
 
@@ -6047,7 +5566,7 @@ Editor::split_region_at_points (boost::shared_ptr<Region> r, AnalysisFeatureList
        while (x != positions.end()) {
          
                /* deal with positons that are out of scope of present region bounds */
-               if (*x <= 0 || *x > r->length()){
+               if (*x <= 0 || *x > r->length()) {
                        ++x;
                        continue;
                }
@@ -6086,8 +5605,13 @@ Editor::split_region_at_points (boost::shared_ptr<Region> r, AnalysisFeatureList
                plist.add (ARDOUR::Properties::layer, 0);
 
                boost::shared_ptr<Region> nr = RegionFactory::create (r->sources(), plist, false);
+
                pl->add_region (nr, r->position() + pos);
 
+               if (select_new) {
+                       new_regions.push_front(nr);
+               }
+
                pos += len;
                ++x;
        }
@@ -6106,11 +5630,21 @@ Editor::split_region_at_points (boost::shared_ptr<Region> r, AnalysisFeatureList
 
        boost::shared_ptr<Region> nr = RegionFactory::create (r->sources(), plist, false);
        pl->add_region (nr, r->position() + pos);
-
        
+       if (select_new) {
+               new_regions.push_front(nr);
+       }
+
        pl->thaw ();
 
        _session->add_command (new StatefulDiffCommand (pl));
+       
+       if (select_new) {
+
+               for (list<boost::shared_ptr<Region> >::iterator i = new_regions.begin(); i != new_regions.end(); ++i){
+                       set_selected_regionview_from_region_list ((*i), Selection::Add);
+               }
+       }
 }
 
 void
@@ -6120,9 +5654,7 @@ Editor::place_transient()
                return;
        }
 
-       RegionSelection rs;
-
-       get_regions_for_action (rs);
+       RegionSelection rs = get_regions_from_selection_and_edit_point ();
 
        if (rs.empty()) {
                return;
@@ -6147,96 +5679,102 @@ Editor::remove_transient(ArdourCanvas::Item* item)
                return;
        }
 
-       ArdourCanvas::SimpleLine* _line = reinterpret_cast<ArdourCanvas::SimpleLine*> (item);
+       ArdourCanvas::Line* _line = reinterpret_cast<ArdourCanvas::Line*> (item);
        assert (_line);
 
        AudioRegionView* _arv = reinterpret_cast<AudioRegionView*> (item->get_data ("regionview"));
-       _arv->remove_transient(_line->property_x1());
+       _arv->remove_transient (*(float*) _line->get_data ("position"));
 }
 
 void
-Editor::snap_regions_to_grid()
+Editor::snap_regions_to_grid ()
 {
-       if (!_session) {
-               return;
-       }
-
-       RegionSelection rs;
-
-       get_regions_for_action (rs);
+       list <boost::shared_ptr<Playlist > > used_playlists;
+       
+       RegionSelection rs = get_regions_from_selection_and_entered ();
 
-       if (rs.empty()) {
+       if (!_session || rs.empty()) {
                return;
        }
        
        _session->begin_reversible_command (_("snap regions to grid"));
        
        for (RegionSelection::iterator r = rs.begin(); r != rs.end(); ++r) {
+         
+               boost::shared_ptr<Playlist> pl = (*r)->region()->playlist();
+         
+               if (!pl->frozen()) {
+                       /* we haven't seen this playlist before */
+
+                       /* remember used playlists so we can thaw them later */
+                       used_playlists.push_back(pl);
+                       pl->freeze();
+               }
+
                framepos_t start_frame = (*r)->region()->first_frame ();
                snap_to (start_frame);
                (*r)->region()->set_position (start_frame, this);
        }
        
+       while (used_playlists.size() > 0) {
+               list <boost::shared_ptr<Playlist > >::iterator i = used_playlists.begin();
+               (*i)->thaw();
+               used_playlists.pop_front();
+       }
+
        _session->commit_reversible_command ();
 }
 
 void
-Editor::close_region_gaps()
-{      
-       if (!_session) {
+Editor::close_region_gaps ()
+{
+       list <boost::shared_ptr<Playlist > > used_playlists;
+       
+       RegionSelection rs = get_regions_from_selection_and_entered ();
+
+       if (!_session || rs.empty()) {
                return;
        }
 
-       RegionSelection rs;
+       Dialog dialog (_("Close Region Gaps"));
 
-       get_regions_for_action (rs);
-       
-       if (rs.empty()) {
-               return;
-       }
-       
-       Dialog dialog (rs.size() > 1 ? _("Conform regions") : _("Conform region"));
-       
-       HBox hbox_crossfade;
-       hbox_crossfade.set_spacing (10);
-       //hbox_crossfade.set_border_width (3);
-       hbox_crossfade.pack_start (*manage (new Label (_("Crossfade length:"))));
+       Table table (2, 3);
+       table.set_spacings (12);
+       table.set_border_width (12);
+       Label* l = manage (new Label (_("Crossfade length")));
+       l->set_alignment (0, 0.5);
+       table.attach (*l, 0, 1, 0, 1);
        
        SpinButton spin_crossfade (1, 0);
        spin_crossfade.set_range (0, 15);
        spin_crossfade.set_increments (1, 1);
-       spin_crossfade.set_value (3);
-       
-       hbox_crossfade.pack_start (spin_crossfade);
-       hbox_crossfade.pack_start (*manage (new Label (_("ms"))));
-       hbox_crossfade.show_all ();
+       spin_crossfade.set_value (5);
+       table.attach (spin_crossfade, 1, 2, 0, 1);
 
-       HBox hbox_pullback;
-       
-       hbox_pullback.set_spacing (10);
-       //hbox_pullback.set_border_width (3);
-       hbox_pullback.pack_start (*manage (new Label (_("Pull-back length:"))));
+       table.attach (*manage (new Label (_("ms"))), 2, 3, 0, 1);
+
+       l = manage (new Label (_("Pull-back length")));
+       l->set_alignment (0, 0.5);
+       table.attach (*l, 0, 1, 1, 2);
        
        SpinButton spin_pullback (1, 0);
-       spin_pullback.set_range (0, 15);
+       spin_pullback.set_range (0, 100);
        spin_pullback.set_increments (1, 1);
-       spin_pullback.set_value (5);
-       
-       hbox_pullback.pack_start (spin_pullback);
-       hbox_pullback.pack_start (*manage (new Label (_("ms"))));
-       hbox_pullback.show_all ();
+       spin_pullback.set_value(30);
+       table.attach (spin_pullback, 1, 2, 1, 2);
+
+       table.attach (*manage (new Label (_("ms"))), 2, 3, 1, 2);
        
-       dialog.get_vbox()->set_spacing (6);
-       dialog.get_vbox()->pack_start (hbox_crossfade);
-       dialog.get_vbox()->pack_start (hbox_pullback);
+       dialog.get_vbox()->pack_start (table);
        dialog.add_button (Stock::CANCEL, RESPONSE_CANCEL);
        dialog.add_button (_("Ok"), RESPONSE_ACCEPT);
+       dialog.show_all ();
 
        if (dialog.run () == RESPONSE_CANCEL) {
                return;
        }
 
-       framepos_t crossfade_len  = spin_crossfade.get_value(); 
+       framepos_t crossfade_len = spin_crossfade.get_value(); 
        framepos_t pull_back_frames = spin_pullback.get_value();
 
        crossfade_len = lrintf (crossfade_len * _session->frame_rate()/1000);
@@ -6245,13 +5783,23 @@ Editor::close_region_gaps()
        /* Iterate over the region list and make adjacent regions overlap by crossfade_len_ms */
        
        _session->begin_reversible_command (_("close region gaps"));
-               
+
        int idx = 0;
        boost::shared_ptr<Region> last_region;
        
        rs.sort_by_position_and_track();
        
        for (RegionSelection::iterator r = rs.begin(); r != rs.end(); ++r) {
+         
+               boost::shared_ptr<Playlist> pl = (*r)->region()->playlist();
+               
+               if (!pl->frozen()) {
+                       /* we haven't seen this playlist before */
+
+                       /* remember used playlists so we can thaw them later */
+                       used_playlists.push_back(pl);
+                       pl->freeze();
+               }
 
                framepos_t position = (*r)->region()->position();
          
@@ -6269,6 +5817,12 @@ Editor::close_region_gaps()
                idx++;
        }
        
+       while (used_playlists.size() > 0) {
+               list <boost::shared_ptr<Playlist > >::iterator i = used_playlists.begin();
+               (*i)->thaw();
+               used_playlists.pop_front();
+       }
+
        _session->commit_reversible_command ();
 }
 
@@ -6277,6 +5831,8 @@ Editor::tab_to_transient (bool forward)
 {
        AnalysisFeatureList positions;
 
+       RegionSelection rs = get_regions_from_selection_and_entered ();
+
        if (!_session) {
                return;
        }
@@ -6306,10 +5862,6 @@ Editor::tab_to_transient (bool forward)
 
        } else {
 
-               RegionSelection rs;
-
-               get_regions_for_action (rs);
-
                if (rs.empty()) {
                        return;
                }
@@ -6380,7 +5932,7 @@ Editor::set_track_height (Height h)
        TrackSelection& ts (selection->tracks);
 
        for (TrackSelection::iterator x = ts.begin(); x != ts.end(); ++x) {
-               (*x)->set_height (h);
+               (*x)->set_height_enum (h);
        }
 }
 
@@ -6403,7 +5955,7 @@ Editor::toggle_tracks_active ()
                                target = !rtv->_route->active();
                                first = false;
                        }
-                       rtv->_route->set_active (target);
+                       rtv->_route->set_active (target, this);
                }
        }
 }
@@ -6424,7 +5976,7 @@ Editor::remove_tracks ()
        const char* trackstr;
        const char* busstr;
        vector<boost::shared_ptr<Route> > routes;
-        bool special_bus = false;
+       bool special_bus = false;
 
        for (TrackSelection::iterator x = ts.begin(); x != ts.end(); ++x) {
                RouteTimeAxisView* rtv = dynamic_cast<RouteTimeAxisView*> (*x);
@@ -6437,31 +5989,31 @@ Editor::remove_tracks ()
                }
                routes.push_back (rtv->_route);
 
-                if (rtv->route()->is_master() || rtv->route()->is_monitor()) {
-                        special_bus = true;
-                }
-        }
+               if (rtv->route()->is_master() || rtv->route()->is_monitor()) {
+                       special_bus = true;
+               }
+       }
 
-        if (special_bus && !Config->get_allow_special_bus_removal()) {
-                MessageDialog msg (_("That would be bad news ...."),
-                                   false,
-                                   Gtk::MESSAGE_INFO,
-                                   Gtk::BUTTONS_OK);
-                msg.set_secondary_text (string_compose (_(
-"Removing the master or monitor bus is such a bad idea\n\
+       if (special_bus && !Config->get_allow_special_bus_removal()) {
+               MessageDialog msg (_("That would be bad news ...."),
+                                  false,
+                                  Gtk::MESSAGE_INFO,
+                                  Gtk::BUTTONS_OK);
+               msg.set_secondary_text (string_compose (_(
+                                                               "Removing the master or monitor bus is such a bad idea\n\
 that %1 is not going to allow it.\n\
 \n\
 If you really want to do this sort of thing\n\
 edit your ardour.rc file to set the\n\
 \"allow-special-bus-removal\" option to be \"yes\""), PROGRAM_NAME));
 
-                msg.present ();
-                msg.run ();
-                return;
-        }
-                
+               msg.present ();
+               msg.run ();
+               return;
+       }
+
        if (ntracks + nbusses == 0) {
-               return;
+               return;
        }
 
        if (ntracks > 1) {
@@ -6490,7 +6042,7 @@ 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 undon, and the session file will be overwritten"),
                                          nbusses, busstr);
        }
 
@@ -6570,7 +6122,7 @@ Editor::insert_time (framepos_t pos, framecnt_t frames, InsertTimeOption opt,
                if (pl) {
 
                        pl->clear_changes ();
-                        pl->clear_owned_changes ();
+                       pl->clear_owned_changes ();
 
                        if (opt == SplitIntersected) {
                                pl->split (pos);
@@ -6578,8 +6130,8 @@ Editor::insert_time (framepos_t pos, framecnt_t frames, InsertTimeOption opt,
 
                        pl->shift (pos, frames, (opt == MoveIntersected), ignore_music_glue);
 
-                        vector<Command*> cmds;
-                        pl->rdiff (cmds);
+                       vector<Command*> cmds;
+                       pl->rdiff (cmds);
                        _session->add_commands (cmds);
                        
                        _session->add_command (new StatefulDiffCommand (pl));
@@ -6644,7 +6196,31 @@ Editor::insert_time (framepos_t pos, framecnt_t frames, InsertTimeOption opt,
 void
 Editor::fit_selected_tracks ()
 {
-       fit_tracks (selection->tracks);
+        if (!selection->tracks.empty()) {
+                fit_tracks (selection->tracks);
+        } else {
+                TrackViewList tvl;
+
+                /* no selected tracks - use tracks with selected regions */
+
+                if (!selection->regions.empty()) {
+                        for (RegionSelection::iterator r = selection->regions.begin(); r != selection->regions.end(); ++r) {
+                                tvl.push_back (&(*r)->get_time_axis_view ());
+                        }
+                        
+                        if (!tvl.empty()) {
+                                fit_tracks (tvl);
+                        }
+                } else if (internal_editing()) {
+                        /* no selected tracks, or regions, but in internal edit mode, so follow the mouse and use
+                           the entered track
+                        */
+                        if (entered_track) {
+                                tvl.push_back (entered_track);
+                                fit_tracks (tvl);
+                        }
+                }
+        }
 }
 
 void
@@ -6655,6 +6231,7 @@ Editor::fit_tracks (TrackViewList & tracks)
        }
 
        uint32_t child_heights = 0;
+       int visible_tracks = 0;
 
        for (TrackSelection::iterator t = tracks.begin(); t != tracks.end(); ++t) {
 
@@ -6663,9 +6240,10 @@ Editor::fit_tracks (TrackViewList & tracks)
                }
 
                child_heights += (*t)->effective_height() - (*t)->current_height();
+               ++visible_tracks;
        }
 
-       uint32_t h = (uint32_t) floor ((_canvas_height - child_heights - canvas_timebars_vsize) / tracks.size());
+       uint32_t h = (uint32_t) floor ((_canvas_height - child_heights - canvas_timebars_vsize) / visible_tracks);
        double first_y_pos = DBL_MAX;
 
        if (h < TimeAxisView::preset_height (HeightSmall)) {
@@ -6706,12 +6284,14 @@ Editor::fit_tracks (TrackViewList & tracks)
                        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);
+               if ((*t)->marked_for_display ()) {
+                       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);
+                               }
                        }
                }
 
@@ -6794,3 +6374,33 @@ Editor::end_visual_state_op (uint32_t n)
        return false; // do not call again
 }
 
+void
+Editor::toggle_region_mute ()
+{
+       if (_ignore_region_action) {
+               return;
+       }
+       
+       RegionSelection rs = get_regions_from_selection_and_entered ();
+
+       if (rs.empty ()) {
+               return;
+       }
+
+       if (rs.size() > 1) {
+               begin_reversible_command (_("mute regions"));
+       } else {
+               begin_reversible_command (_("mute region"));
+       }
+       
+       for (RegionSelection::iterator i = rs.begin(); i != rs.end(); ++i) {
+               
+               (*i)->region()->playlist()->clear_changes ();
+               (*i)->region()->set_muted (!(*i)->region()->muted ());
+               _session->add_command (new StatefulDiffCommand ((*i)->region()->playlist()));
+               
+       }
+       
+       commit_reversible_command ();
+}
+