Merge branch 'master' into cairocanvas
[ardour.git] / gtk2_ardour / editor_selection.cc
index 4fc418b8b3d8023d7cb593e1d813d4144780b937..065cfdbcba42fb323049b0b5cf4dd8f0e8a692d6 100644 (file)
 
 #include "pbd/stacktrace.h"
 
-#include "ardour/session.h"
+#include "ardour/midi_region.h"
 #include "ardour/playlist.h"
-#include "ardour/route_group.h"
 #include "ardour/profile.h"
+#include "ardour/route_group.h"
+#include "ardour/session.h"
+
+#include "control_protocol/control_protocol.h"
 
 #include "editor.h"
 #include "actions.h"
@@ -35,6 +38,8 @@
 #include "automation_line.h"
 #include "control_point.h"
 #include "editor_regions.h"
+#include "editor_cursors.h"
+#include "midi_region_view.h"
 
 #include "i18n.h"
 
@@ -48,9 +53,9 @@ using namespace Editing;
 
 struct TrackViewByPositionSorter
 {
-    bool operator() (const TimeAxisView* a, const TimeAxisView *b) {
-           return a->y_position() < b->y_position();
-    }
+       bool operator() (const TimeAxisView* a, const TimeAxisView *b) {
+               return a->y_position() < b->y_position();
+       }
 };
 
 bool
@@ -174,27 +179,26 @@ Editor::select_all_tracks ()
  *  tracks, in which case nothing will happen unless `force' is true.
  */
 void
-Editor::set_selected_track_as_side_effect (Selection::Operation op, bool /*force*/)
+Editor::set_selected_track_as_side_effect (Selection::Operation op)
 {
        if (!clicked_axisview) {
                return;
        }
 
-#if 1
-        if (!clicked_routeview) {
-                return;
-        }
+       if (!clicked_routeview) {
+               return;
+       }
+
+       bool had_tracks = !selection->tracks.empty();
+       RouteGroup* group = clicked_routeview->route()->route_group();
+       RouteGroup& arg (_session->all_route_group());
 
-        bool had_tracks = !selection->tracks.empty();
-        RouteGroup* group = clicked_routeview->route()->route_group();
-        RouteGroup& arg (_session->all_route_group());
-        
        switch (op) {
-       case Selection::Toggle: 
+       case Selection::Toggle:
                if (selection->selected (clicked_axisview)) {
                        if (arg.is_select() && arg.is_active()) {
                                for (TrackViewList::iterator i = track_views.begin(); i != track_views.end (); ++i) {
-                                        selection->remove(*i);
+                                       selection->remove(*i);
                                }
                        } else if (group && group->is_active()) {
                                for (TrackViewList::iterator i = track_views.begin(); i != track_views.end (); ++i) {
@@ -203,77 +207,64 @@ Editor::set_selected_track_as_side_effect (Selection::Operation op, bool /*force
                                }
                        } else {
                                selection->remove (clicked_axisview);
-                        }
+                       }
                } else {
                        if (arg.is_select() && arg.is_active()) {
                                for (TrackViewList::iterator i = track_views.begin(); i != track_views.end (); ++i) {
-                                               selection->add(*i);
+                                       selection->add(*i);
                                }
                        } else if (group && group->is_active()) {
                                for (TrackViewList::iterator i = track_views.begin(); i != track_views.end (); ++i) {
                                        if ( (*i)->route_group() == group)
                                                selection->add(*i);
                                }
-                        } else {
-                                selection->add (clicked_axisview);
-                        }
+                       } else {
+                               selection->add (clicked_axisview);
+                       }
                }
-                break;
-       
-       case Selection::Add: 
+               break;
+
+       case Selection::Add:
                if (!had_tracks && arg.is_select() && arg.is_active()) {
-                        /* nothing was selected already, and all group is active etc. so use
-                           all tracks.
-                        */
+                       /* nothing was selected already, and all group is active etc. so use
+                          all tracks.
+                       */
                        for (TrackViewList::iterator i = track_views.begin(); i != track_views.end (); ++i) {
-                                       selection->add(*i);
+                               selection->add(*i);
                        }
                } else if (group && group->is_active()) {
                        for (TrackViewList::iterator i  = track_views.begin(); i != track_views.end (); ++i) {
                                if ((*i)->route_group() == group)
                                        selection->add(*i);
                        }
-                } else {
+               } else {
                        selection->add (clicked_axisview);
-                }
-                break;
-               
+               }
+               break;
+
        case Selection::Set:
-                selection->clear();
+               selection->clear();
                if (!had_tracks && arg.is_select() && arg.is_active()) {
-                        /* nothing was selected already, and all group is active etc. so use
-                           all tracks.
-                        */
+                       /* nothing was selected already, and all group is active etc. so use
+                          all tracks.
+                       */
                        for (TrackViewList::iterator i = track_views.begin(); i != track_views.end (); ++i) {
-                                       selection->add(*i);
+                               selection->add(*i);
                        }
                } else if (group && group->is_active()) {
                        for (TrackViewList::iterator i  = track_views.begin(); i != track_views.end (); ++i) {
                                if ((*i)->route_group() == group)
                                        selection->add(*i);
                        }
-                } else {
+               } else {
                        selection->set (clicked_axisview);
-                }
-                break;
-       
-       case Selection::Extend: 
-               selection->clear();
-               cerr << ("Editor::set_selected_track_as_side_effect  case  Selection::Add  not yet implemented\n");
-                break;
-       }
-
-#else // the older version
-
-       if (!selection->tracks.empty()) {
-               if (!selection->selected (clicked_axisview)) {
-                       selection->add (clicked_axisview);
                }
+               break;
 
-       } else if (force) {
-               selection->set (clicked_axisview);
+       case Selection::Extend:
+               selection->clear();
+               break;
        }
-#endif
 }
 
 void
@@ -321,21 +312,45 @@ Editor::set_selected_track_from_click (bool press, Selection::Operation op, bool
 }
 
 bool
-Editor::set_selected_control_point_from_click (Selection::Operation op, bool /*no_remove*/)
+Editor::set_selected_control_point_from_click (bool press, Selection::Operation op)
 {
        if (!clicked_control_point) {
                return false;
        }
-       
+
        switch (op) {
        case Selection::Set:
-               selection->set (clicked_control_point);
+               if (press) {
+                       selection->set (clicked_control_point);
+               }
                break;
        case Selection::Add:
-               selection->add (clicked_control_point);
+               if (press) {
+                       selection->add (clicked_control_point);
+               }
                break;
        case Selection::Toggle:
-               selection->toggle (clicked_control_point);
+               /* This is a bit of a hack; if we Primary-Click-Drag a control
+                  point (for push drag) we want the point we clicked on to be
+                  selected, otherwise we end up confusingly dragging an
+                  unselected point.  So here we ensure that the point is selected
+                  after the press, and if we subsequently get a release (meaning no
+                  drag occurred) we set things up so that the toggle has happened.
+               */
+               if (press && !selection->selected (clicked_control_point)) {
+                       /* This is the button press, and the control point is not selected; make it so,
+                          in case this press leads to a drag.  Also note that having done this, we don't
+                          need to toggle again on release.
+                       */
+                       selection->toggle (clicked_control_point);
+                       _control_point_toggled_on_press = true;
+               } else if (!press && !_control_point_toggled_on_press) {
+                       /* This is the release, and the point wasn't toggled on the press, so do it now */
+                       selection->toggle (clicked_control_point);
+               } else {
+                       /* Reset our flag */
+                       _control_point_toggled_on_press = false;
+               }
                break;
        case Selection::Extend:
                /* XXX */
@@ -348,11 +363,11 @@ Editor::set_selected_control_point_from_click (Selection::Operation op, bool /*n
 void
 Editor::get_onscreen_tracks (TrackViewList& tvl)
 {
-       for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
-               if ((*i)->y_position() < _canvas_height) {
-                       tvl.push_back (*i);
-               }
-       }
+       for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
+               if ((*i)->y_position() < _visible_canvas_height) {
+                       tvl.push_back (*i);
+               }
+       }
 }
 
 /** Call a slot for a given `basis' track and also for any track that is in the same
@@ -392,7 +407,64 @@ Editor::mapover_tracks (sigc::slot<void, RouteTimeAxisView&, uint32_t> sl, TimeA
 
        /* call the slots */
        uint32_t const sz = tracks.size ();
-       
+
+       for (set<RouteTimeAxisView*>::iterator i = tracks.begin(); i != tracks.end(); ++i) {
+               sl (**i, sz);
+       }
+}
+
+/** Call a slot for a given `basis' track and also for any track that is in the same
+ *  active route group with a particular set of properties.
+ *
+ *  @param sl Slot to call.
+ *  @param basis Basis track.
+ *  @param prop Properties that active edit groups must share to be included in the map.
+ */
+
+void
+Editor::mapover_tracks_with_unique_playlists (sigc::slot<void, RouteTimeAxisView&, uint32_t> sl, TimeAxisView* basis, PBD::PropertyID prop) const
+{
+       RouteTimeAxisView* route_basis = dynamic_cast<RouteTimeAxisView*> (basis);
+       set<boost::shared_ptr<Playlist> > playlists;
+
+       if (route_basis == 0) {
+               return;
+       }
+
+       set<RouteTimeAxisView*> tracks;
+       tracks.insert (route_basis);
+
+       RouteGroup* group = route_basis->route()->route_group(); // could be null, not a problem
+
+       if (group && group->enabled_property(prop) && group->enabled_property (Properties::active.property_id) ) {
+
+               /* the basis is a member of an active route group, with the appropriate
+                  properties; find other members */
+
+               for (TrackViewList::const_iterator i = track_views.begin(); i != track_views.end(); ++i) {
+                       RouteTimeAxisView* v = dynamic_cast<RouteTimeAxisView*> (*i);
+
+                       if (v && v->route()->route_group() == group) {
+                               
+                               boost::shared_ptr<Track> t = v->track();
+                               if (t) {
+                                       if (playlists.insert (t->playlist()).second) {
+                                               /* haven't seen this playlist yet */
+                                               tracks.insert (v);
+                                       }
+                               } else {
+                                       /* not actually a "Track", but a timeaxis view that
+                                          we should mapover anyway.
+                                       */
+                                       tracks.insert (v);
+                               }
+                       }
+               }
+       }
+
+       /* call the slots */
+       uint32_t const sz = tracks.size ();
+
        for (set<RouteTimeAxisView*>::iterator i = tracks.begin(); i != tracks.end(); ++i) {
                sl (**i, sz);
        }
@@ -430,7 +502,7 @@ Editor::mapped_get_equivalent_regions (RouteTimeAxisView& tv, uint32_t, RegionVi
 void
 Editor::get_equivalent_regions (RegionView* basis, vector<RegionView*>& equivalent_regions, PBD::PropertyID property) const
 {
-       mapover_tracks (sigc::bind (sigc::mem_fun (*this, &Editor::mapped_get_equivalent_regions), basis, &equivalent_regions), &basis->get_time_axis_view(), property);
+       mapover_tracks_with_unique_playlists (sigc::bind (sigc::mem_fun (*this, &Editor::mapped_get_equivalent_regions), basis, &equivalent_regions), &basis->get_time_axis_view(), property);
 
        /* add clicked regionview since we skipped all other regions in the same track as the one it was in */
 
@@ -446,10 +518,9 @@ Editor::get_equivalent_regions (RegionSelection & basis, PBD::PropertyID prop) c
 
                vector<RegionView*> eq;
 
-               mapover_tracks (
+               mapover_tracks_with_unique_playlists (
                        sigc::bind (sigc::mem_fun (*this, &Editor::mapped_get_equivalent_regions), *i, &eq),
-                       &(*i)->get_time_axis_view(), prop
-                       );
+                       &(*i)->get_time_axis_view(), prop);
 
                for (vector<RegionView*>::iterator j = eq.begin(); j != eq.end(); ++j) {
                        equivalent.add (*j);
@@ -461,7 +532,6 @@ Editor::get_equivalent_regions (RegionSelection & basis, PBD::PropertyID prop) c
        return equivalent;
 }
 
-
 int
 Editor::get_regionview_count_from_region_list (boost::shared_ptr<Region> region)
 {
@@ -501,7 +571,7 @@ Editor::get_regionview_count_from_region_list (boost::shared_ptr<Region> region)
 
 
 bool
-Editor::set_selected_regionview_from_click (bool press, Selection::Operation op, bool /*no_track_remove*/)
+Editor::set_selected_regionview_from_click (bool press, Selection::Operation op)
 {
        vector<RegionView*> all_equivalent_regions;
        bool commit = false;
@@ -516,10 +586,8 @@ Editor::set_selected_regionview_from_click (bool press, Selection::Operation op,
 
        if (op == Selection::Toggle || op == Selection::Set) {
 
-
                switch (op) {
                case Selection::Toggle:
-
                        if (selection->selected (clicked_regionview)) {
                                if (press) {
 
@@ -530,7 +598,6 @@ Editor::set_selected_regionview_from_click (bool press, Selection::Operation op,
                                        button_release_can_deselect = true;
 
                                } else {
-
                                        if (button_release_can_deselect) {
 
                                                /* just remove this one region, but only on a permitted button release */
@@ -615,7 +682,7 @@ Editor::set_selected_regionview_from_click (bool press, Selection::Operation op,
                        /* 2. figure out the boundaries for our search for new objects */
 
                        switch (clicked_regionview->region()->coverage (first_frame, last_frame)) {
-                       case OverlapNone:
+                       case Evoral::OverlapNone:
                                if (last_frame < clicked_regionview->region()->first_frame()) {
                                        first_frame = last_frame;
                                        last_frame = clicked_regionview->region()->last_frame();
@@ -625,7 +692,7 @@ Editor::set_selected_regionview_from_click (bool press, Selection::Operation op,
                                }
                                break;
 
-                       case OverlapExternal:
+                       case Evoral::OverlapExternal:
                                if (last_frame < clicked_regionview->region()->first_frame()) {
                                        first_frame = last_frame;
                                        last_frame = clicked_regionview->region()->last_frame();
@@ -635,7 +702,7 @@ Editor::set_selected_regionview_from_click (bool press, Selection::Operation op,
                                }
                                break;
 
-                       case OverlapInternal:
+                       case Evoral::OverlapInternal:
                                if (last_frame < clicked_regionview->region()->first_frame()) {
                                        first_frame = last_frame;
                                        last_frame = clicked_regionview->region()->last_frame();
@@ -645,8 +712,8 @@ Editor::set_selected_regionview_from_click (bool press, Selection::Operation op,
                                }
                                break;
 
-                       case OverlapStart:
-                       case OverlapEnd:
+                       case Evoral::OverlapStart:
+                       case Evoral::OverlapEnd:
                                /* nothing to do except add clicked region to selection, since it
                                   overlaps with the existing selection in this track.
                                */
@@ -684,7 +751,7 @@ Editor::set_selected_regionview_from_click (bool press, Selection::Operation op,
                                relevant_tracks.insert (r);
                        }
                }
-               
+
                set<RouteTimeAxisView*> already_in_selection;
 
                if (relevant_tracks.empty()) {
@@ -712,7 +779,7 @@ Editor::set_selected_regionview_from_click (bool press, Selection::Operation op,
 
                                        RouteTimeAxisView* closest = 0;
                                        int distance = INT_MAX;
-                                       int key = rtv->route()->order_key ("editor");
+                                       int key = rtv->route()->order_key (EditorSort);
 
                                        for (RegionSelection::iterator x = selection->regions.begin(); x != selection->regions.end(); ++x) {
 
@@ -727,7 +794,7 @@ Editor::set_selected_regionview_from_click (bool press, Selection::Operation op,
                                                        if (result.second) {
                                                                /* newly added to already_in_selection */
 
-                                                               int d = artv->route()->order_key ("editor");
+                                                               int d = artv->route()->order_key (EditorSort);
 
                                                                d -= key;
 
@@ -743,7 +810,7 @@ Editor::set_selected_regionview_from_click (bool press, Selection::Operation op,
 
                                                /* now add all tracks between that one and this one */
 
-                                               int okey = closest->route()->order_key ("editor");
+                                               int okey = closest->route()->order_key (EditorSort);
 
                                                if (okey > key) {
                                                        swap (okey, key);
@@ -753,7 +820,7 @@ Editor::set_selected_regionview_from_click (bool press, Selection::Operation op,
                                                        RouteTimeAxisView* artv = dynamic_cast<RouteTimeAxisView*>(*x);
                                                        if (artv && artv != rtv) {
 
-                                                               int k = artv->route()->order_key ("editor");
+                                                               int k = artv->route()->order_key (EditorSort);
 
                                                                if (k >= okey && k <= key) {
 
@@ -764,8 +831,8 @@ Editor::set_selected_regionview_from_click (bool press, Selection::Operation op,
                                                                        */
 
                                                                        if (find (already_in_selection.begin(),
-                                                                                 already_in_selection.end(),
-                                                                                 artv) == already_in_selection.end()) {
+                                                                                 already_in_selection.end(),
+                                                                                 artv) == already_in_selection.end()) {
 
                                                                                relevant_tracks.insert (artv);
                                                                        }
@@ -778,7 +845,7 @@ Editor::set_selected_regionview_from_click (bool press, Selection::Operation op,
                }
 
                /* 3. find all selectable objects (regionviews in this case) between that one and the end of the
-                          one that was clicked.
+                  one that was clicked.
                */
 
                for (set<RouteTimeAxisView*>::iterator t = relevant_tracks.begin(); t != relevant_tracks.end(); ++t) {
@@ -803,7 +870,7 @@ Editor::set_selected_regionview_from_click (bool press, Selection::Operation op,
                }
        }
 
-  out:
+out:
        return commit;
 }
 
@@ -813,7 +880,7 @@ Editor::set_selected_regionview_from_region_list (boost::shared_ptr<Region> regi
 {
        vector<RegionView*> all_equivalent_regions;
 
-       get_regions_corresponding_to (region, all_equivalent_regions);
+       get_regions_corresponding_to (region, all_equivalent_regions, region->whole_file());
 
        if (all_equivalent_regions.empty()) {
                return;
@@ -882,27 +949,39 @@ Editor::track_selection_changed ()
                break;
        }
 
+       RouteNotificationListPtr routes (new RouteNotificationList);
+
        for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
 
-                bool yn = (find (selection->tracks.begin(), selection->tracks.end(), *i) != selection->tracks.end());
-                
-                (*i)->set_selected (yn);
-                
-                TimeAxisView::Children c = (*i)->get_child_list ();
-                for (TimeAxisView::Children::iterator j = c.begin(); j != c.end(); ++j) {
-                        (*j)->set_selected (find (selection->tracks.begin(), selection->tracks.end(), j->get()) != selection->tracks.end());
-                }
-
-                if (yn && 
-                    ((mouse_mode == MouseRange) || 
-                     ((mouse_mode == MouseObject) && (_join_object_range_state == JOIN_OBJECT_RANGE_OBJECT)))) {
-                        (*i)->reshow_selection (selection->time);
-                } else {
-                        (*i)->hide_selection ();
-                }
-        }
+               bool yn = (find (selection->tracks.begin(), selection->tracks.end(), *i) != selection->tracks.end());
+
+               (*i)->set_selected (yn);
+
+               TimeAxisView::Children c = (*i)->get_child_list ();
+               for (TimeAxisView::Children::iterator j = c.begin(); j != c.end(); ++j) {
+                       (*j)->set_selected (find (selection->tracks.begin(), selection->tracks.end(), j->get()) != selection->tracks.end());
+               }
+
+               if (yn) {
+                       (*i)->reshow_selection (selection->time);
+               } else {
+                       (*i)->hide_selection ();
+               }
+
+
+               if (yn) {
+                       RouteTimeAxisView* rtav = dynamic_cast<RouteTimeAxisView*> (*i);
+                       if (rtav) {
+                               routes->push_back (rtav->route());
+                       }
+               }
+       }
 
        ActionManager::set_sensitive (ActionManager::track_selection_sensitive_actions, !selection->tracks.empty());
+
+       /* notify control protocols */
+       
+       ControlProtocol::TrackSelectionChanged (routes);
 }
 
 void
@@ -925,29 +1004,284 @@ Editor::time_selection_changed ()
        } else {
                ActionManager::set_sensitive (ActionManager::time_selection_sensitive_actions, true);
        }
+
+       if (_session && Config->get_always_play_range() && !_session->transport_rolling() && !selection->time.empty()) {
+               _session->request_locate (selection->time.start());
+       }
 }
 
+/** Set all region actions to have a given sensitivity */
 void
-Editor::sensitize_the_right_region_actions (bool have_selected_regions)
+Editor::sensitize_all_region_actions (bool s)
 {
-       for (vector<Glib::RefPtr<Action> >::iterator x = ActionManager::region_selection_sensitive_actions.begin();
-            x != ActionManager::region_selection_sensitive_actions.end(); ++x) {
+       Glib::ListHandle<Glib::RefPtr<Action> > all = _region_actions->get_actions ();
 
-               string accel_path = (*x)->get_accel_path ();
-               AccelKey key;
+       for (Glib::ListHandle<Glib::RefPtr<Action> >::iterator i = all.begin(); i != all.end(); ++i) {
+               (*i)->set_sensitive (s);
+       }
 
-               /* if there is an accelerator, it should always be sensitive
-                  to allow for keyboard ops on entered regions.
-               */
+       _all_region_actions_sensitized = s;
+}
+
+/** Sensitize region-based actions based on the selection ONLY, ignoring the entered_regionview.
+ *  This method should be called just before displaying a Region menu.  When a Region menu is not
+ *  currently being shown, all region actions are sensitized so that hotkey-triggered actions
+ *  on entered_regionviews work without having to check sensitivity every time the selection or
+ *  entered_regionview changes.
+ *
+ *  This method also sets up toggle action state as appropriate.
+ */
+void
+Editor::sensitize_the_right_region_actions ()
+{
+
+       RegionSelection rs = get_regions_from_selection_and_entered ();
+       sensitize_all_region_actions (!rs.empty ());
+
+       _ignore_region_action = true;
+
+       /* Look through the regions that are selected and make notes about what we have got */
+
+       bool have_audio = false;
+       bool have_multichannel_audio = false;
+       bool have_midi = false;
+       bool have_locked = false;
+       bool have_unlocked = false;
+       bool have_video_locked = false;
+       bool have_video_unlocked = false;
+       bool have_position_lock_style_audio = false;
+       bool have_position_lock_style_music = false;
+       bool have_muted = false;
+       bool have_unmuted = false;
+       bool have_opaque = false;
+       bool have_non_opaque = false;
+       bool have_not_at_natural_position = false;
+       bool have_envelope_active = false;
+       bool have_envelope_inactive = false;
+       bool have_non_unity_scale_amplitude = false;
+       bool have_compound_regions = false;
+       bool have_inactive_fade_in = false;
+       bool have_inactive_fade_out = false;
+       bool have_active_fade_in = false;
+       bool have_active_fade_out = false;
+
+       for (list<RegionView*>::const_iterator i = rs.begin(); i != rs.end(); ++i) {
+
+               boost::shared_ptr<Region> r = (*i)->region ();
+               boost::shared_ptr<AudioRegion> ar = boost::dynamic_pointer_cast<AudioRegion> (r);
+
+               if (ar) {
+                       have_audio = true;
+                       if (ar->n_channels() > 1) {
+                               have_multichannel_audio = true;
+                       }
+               }
+
+               if (boost::dynamic_pointer_cast<MidiRegion> (r)) {
+                       have_midi = true;
+               }
+
+               if (r->is_compound()) {
+                       have_compound_regions = true;
+               }
+
+               if (r->locked()) {
+                       have_locked = true;
+               } else {
+                       have_unlocked = true;
+               }
+
+               if (r->video_locked()) {
+                       have_video_locked = true;
+               } else {
+                       have_video_unlocked = true;
+               }
+
+               if (r->position_lock_style() == MusicTime) {
+                       have_position_lock_style_music = true;
+               } else {
+                       have_position_lock_style_audio = true;
+               }
+
+               if (r->muted()) {
+                       have_muted = true;
+               } else {
+                       have_unmuted = true;
+               }
+
+               if (r->opaque()) {
+                       have_opaque = true;
+               } else {
+                       have_non_opaque = true;
+               }
+
+               if (!r->at_natural_position()) {
+                       have_not_at_natural_position = true;
+               }
+
+               if (ar) {
+                       if (ar->envelope_active()) {
+                               have_envelope_active = true;
+                       } else {
+                               have_envelope_inactive = true;
+                       }
+
+                       if (ar->scale_amplitude() != 1) {
+                               have_non_unity_scale_amplitude = true;
+                       }
 
-               bool known = ActionManager::lookup_entry (accel_path, key);
+                       if (ar->fade_in_active ()) {
+                               have_active_fade_in = true;
+                       } else {
+                               have_inactive_fade_in = true;
+                       }
+
+                       if (ar->fade_out_active ()) {
+                               have_active_fade_out = true;
+                       } else {
+                               have_inactive_fade_out = true;
+                       }
+               }
+       }
 
-               if (known && ((key.get_key() != GDK_VoidSymbol) && (key.get_key() != 0))) {
-                       (*x)->set_sensitive (true);
+       if (rs.size() > 1) {
+               _region_actions->get_action("show-region-list-editor")->set_sensitive (false);
+               _region_actions->get_action("show-region-properties")->set_sensitive (false);
+               _region_actions->get_action("rename-region")->set_sensitive (false);
+               if (have_audio) {
+                       /* XXX need to check whether there is than 1 per
+                          playlist, because otherwise this makes no sense.
+                       */
+                       _region_actions->get_action("combine-regions")->set_sensitive (true);
                } else {
-                       (*x)->set_sensitive (have_selected_regions);
+                       _region_actions->get_action("combine-regions")->set_sensitive (false);
+               }
+       } else if (rs.size() == 1) {
+               _region_actions->get_action("add-range-markers-from-region")->set_sensitive (false);
+               _region_actions->get_action("close-region-gaps")->set_sensitive (false);
+               _region_actions->get_action("combine-regions")->set_sensitive (false);
+       }
+
+       if (!have_multichannel_audio) {
+               _region_actions->get_action("split-multichannel-region")->set_sensitive (false);
+       }
+
+       if (!have_midi) {
+               editor_menu_actions->get_action("RegionMenuMIDI")->set_sensitive (false);
+               _region_actions->get_action("show-region-list-editor")->set_sensitive (false);
+               _region_actions->get_action("quantize-region")->set_sensitive (false);
+               _region_actions->get_action("fork-region")->set_sensitive (false);
+               _region_actions->get_action("insert-patch-change-context")->set_sensitive (false);
+               _region_actions->get_action("insert-patch-change")->set_sensitive (false);
+               _region_actions->get_action("transpose-region")->set_sensitive (false);
+       } else {
+               editor_menu_actions->get_action("RegionMenuMIDI")->set_sensitive (true);
+               /* others were already marked sensitive */
+       }
+
+       if (_edit_point == EditAtMouse) {
+               _region_actions->get_action("set-region-sync-position")->set_sensitive (false);
+               _region_actions->get_action("trim-front")->set_sensitive (false);
+               _region_actions->get_action("trim-back")->set_sensitive (false);
+               _region_actions->get_action("split-region")->set_sensitive (false);
+               _region_actions->get_action("place-transient")->set_sensitive (false);
+       }
+
+       if (have_compound_regions) {
+               _region_actions->get_action("uncombine-regions")->set_sensitive (true);
+       } else {
+               _region_actions->get_action("uncombine-regions")->set_sensitive (false);
+       }
+
+       if (have_audio) {
+
+               if (have_envelope_active && !have_envelope_inactive) {
+                       Glib::RefPtr<ToggleAction>::cast_dynamic (_region_actions->get_action("toggle-region-gain-envelope-active"))->set_active ();
+               } else if (have_envelope_active && have_envelope_inactive) {
+                       // Glib::RefPtr<ToggleAction>::cast_dynamic (_region_actions->get_action("toggle-region-gain-envelope-active"))->set_inconsistent ();
                }
+
+       } else {
+
+               _region_actions->get_action("analyze-region")->set_sensitive (false);
+               _region_actions->get_action("reset-region-gain-envelopes")->set_sensitive (false);
+               _region_actions->get_action("toggle-region-gain-envelope-active")->set_sensitive (false);
+               _region_actions->get_action("pitch-shift-region")->set_sensitive (false);
+
+       }
+
+       if (!have_non_unity_scale_amplitude || !have_audio) {
+               _region_actions->get_action("reset-region-scale-amplitude")->set_sensitive (false);
+       }
+
+       Glib::RefPtr<ToggleAction> a = Glib::RefPtr<ToggleAction>::cast_dynamic (_region_actions->get_action("toggle-region-lock"));
+       a->set_active (have_locked && !have_unlocked);
+       if (have_locked && have_unlocked) {
+               // a->set_inconsistent ();
+       }
+
+       a = Glib::RefPtr<ToggleAction>::cast_dynamic (_region_actions->get_action("toggle-region-video-lock"));
+       a->set_active (have_video_locked && !have_video_unlocked);
+       if (have_video_locked && have_video_unlocked) {
+               // a->set_inconsistent ();
+       }
+
+       a = Glib::RefPtr<ToggleAction>::cast_dynamic (_region_actions->get_action("toggle-region-lock-style"));
+       a->set_active (have_position_lock_style_music && !have_position_lock_style_audio);
+
+       if (have_position_lock_style_music && have_position_lock_style_audio) {
+               // a->set_inconsistent ();
+       }
+
+       a = Glib::RefPtr<ToggleAction>::cast_dynamic (_region_actions->get_action("toggle-region-mute"));
+       a->set_active (have_muted && !have_unmuted);
+       if (have_muted && have_unmuted) {
+               // a->set_inconsistent ();
+       }
+
+       a = Glib::RefPtr<ToggleAction>::cast_dynamic (_region_actions->get_action("toggle-opaque-region"));
+       a->set_active (have_opaque && !have_non_opaque);
+       if (have_opaque && have_non_opaque) {
+               // a->set_inconsistent ();
+       }
+
+       if (!have_not_at_natural_position) {
+               _region_actions->get_action("naturalize-region")->set_sensitive (false);
+       }
+
+       /* XXX: should also check that there is a track of the appropriate type for the selected region */
+       if (_edit_point == EditAtMouse || _regions->get_single_selection() == 0 || selection->tracks.empty()) {
+               _region_actions->get_action("insert-region-from-region-list")->set_sensitive (false);
+       } else {
+               _region_actions->get_action("insert-region-from-region-list")->set_sensitive (true);
+       }
+
+       a = Glib::RefPtr<ToggleAction>::cast_dynamic (_region_actions->get_action("toggle-region-fade-in"));
+       a->set_active (have_active_fade_in && !have_inactive_fade_in);
+       if (have_active_fade_in && have_inactive_fade_in) {
+               // a->set_inconsistent ();
+       }
+
+       a = Glib::RefPtr<ToggleAction>::cast_dynamic (_region_actions->get_action("toggle-region-fade-out"));
+       a->set_active (have_active_fade_out && !have_inactive_fade_out);
+
+       if (have_active_fade_out && have_inactive_fade_out) {
+               // a->set_inconsistent ();
+       }
+       
+       bool const have_active_fade = have_active_fade_in || have_active_fade_out;
+       bool const have_inactive_fade = have_inactive_fade_in || have_inactive_fade_out;
+
+       a = Glib::RefPtr<ToggleAction>::cast_dynamic (_region_actions->get_action("toggle-region-fades"));
+       a->set_active (have_active_fade && !have_inactive_fade);
+
+       if (have_active_fade && have_inactive_fade) {
+               // a->set_inconsistent ();
        }
+       
+       _ignore_region_action = false;
+
+       _all_region_actions_sensitized = false;
 }
 
 
@@ -965,14 +1299,23 @@ Editor::region_selection_changed ()
                (*i)->set_selected_regionviews (selection->regions);
        }
 
-        if (_region_selection_change_updates_region_list) {
-                _regions->set_selected (selection->regions);
-        }
-
-       sensitize_the_right_region_actions (!selection->regions.empty());
+       if (_region_selection_change_updates_region_list) {
+               _regions->set_selected (selection->regions);
+       }
 
        _regions->block_change_connection (false);
        editor_regions_selection_changed_connection.block(false);
+
+       if (!_all_region_actions_sensitized) {
+               /* This selection change might have changed what region actions
+                  are allowed, so sensitize them all in case a key is pressed.
+               */
+               sensitize_all_region_actions (true);
+       }
+
+       if (_session && !_session->transport_rolling() && !selection->regions.empty()) {
+               maybe_locate_with_edit_preroll (selection->regions.start());
+       }
 }
 
 void
@@ -1010,17 +1353,64 @@ Editor::select_all_in_track (Selection::Operation op)
        }
 }
 
+void
+Editor::select_all_internal_edit (Selection::Operation)
+{
+       for (RegionSelection::iterator i = selection->regions.begin(); i != selection->regions.end(); ++i) {
+               MidiRegionView* mrv = dynamic_cast<MidiRegionView*>(*i);
+               if (mrv) {
+                       mrv->select_all_notes ();
+               }
+       }
+}
+
 void
 Editor::select_all (Selection::Operation op)
 {
        list<Selectable *> touched;
 
-       for (TrackViewList::iterator iter = track_views.begin(); iter != track_views.end(); ++iter) {
+       TrackViewList ts;
+
+       if (selection->tracks.empty()) {
+               if (entered_track) {
+                       ts.push_back (entered_track);
+               } else {
+                       ts = track_views;
+               }
+       } else {
+               ts = selection->tracks;
+       }
+
+       if (_internal_editing) {
+
+               bool midi_selected = false;
+
+               for (TrackViewList::iterator iter = ts.begin(); iter != ts.end(); ++iter) {
+                       if ((*iter)->hidden()) {
+                               continue;
+                       }
+                       
+                       RouteTimeAxisView* rtav = dynamic_cast<RouteTimeAxisView*> (*iter);
+
+                       if (rtav && rtav->is_midi_track()) {
+                               midi_selected = true;
+                               break;
+                       }
+               }
+
+               if (midi_selected) {
+                       select_all_internal_edit (op);
+                       return;
+               }
+       }
+
+       for (TrackViewList::iterator iter = ts.begin(); iter != ts.end(); ++iter) {
                if ((*iter)->hidden()) {
                        continue;
                }
                (*iter)->get_selectables (0, max_framepos, 0, DBL_MAX, touched);
        }
+
        begin_reversible_command (_("select all"));
        switch (op) {
        case Selection::Add:
@@ -1038,6 +1428,7 @@ Editor::select_all (Selection::Operation op)
        }
        commit_reversible_command ();
 }
+
 void
 Editor::invert_selection_in_track ()
 {
@@ -1056,6 +1447,16 @@ Editor::invert_selection ()
 {
        list<Selectable *> touched;
 
+       if (_internal_editing) {
+               for (RegionSelection::iterator i = selection->regions.begin(); i != selection->regions.end(); ++i) {
+                       MidiRegionView* mrv = dynamic_cast<MidiRegionView*>(*i);
+                       if (mrv) {
+                               mrv->invert_selection ();
+                       }
+               }
+               return;
+       }
+
        for (TrackViewList::iterator iter = track_views.begin(); iter != track_views.end(); ++iter) {
                if ((*iter)->hidden()) {
                        continue;
@@ -1073,15 +1474,13 @@ Editor::invert_selection ()
  *  @param preserve_if_selected true to leave the current selection alone if we're adding to the selection and all of the selectables
  *  within the region are already selected.
  */
-bool
-Editor::select_all_within (
-       framepos_t start, framepos_t end, double top, double bot, const TrackViewList& tracklist, Selection::Operation op, bool preserve_if_selected
-       )
+void
+Editor::select_all_within (framepos_t start, framepos_t end, double top, double bot, const TrackViewList& tracklist, Selection::Operation op, bool preserve_if_selected)
 {
        list<Selectable*> found;
 
        for (TrackViewList::const_iterator iter = tracklist.begin(); iter != tracklist.end(); ++iter) {
-               
+
                if ((*iter)->hidden()) {
                        continue;
                }
@@ -1090,7 +1489,7 @@ Editor::select_all_within (
        }
 
        if (found.empty()) {
-               return false;
+               return;
        }
 
        if (preserve_if_selected && op != Selection::Toggle) {
@@ -1100,7 +1499,7 @@ Editor::select_all_within (
                }
 
                if (i == found.end()) {
-                       return false;
+                       return;
                }
        }
 
@@ -1121,8 +1520,6 @@ Editor::select_all_within (
        }
 
        commit_reversible_command ();
-
-       return !found.empty();
 }
 
 void
@@ -1275,24 +1672,37 @@ Editor::select_all_selectables_using_loop()
 void
 Editor::select_all_selectables_using_cursor (EditorCursor *cursor, bool after)
 {
-        framepos_t start;
+       framepos_t start;
        framepos_t end;
        list<Selectable *> touched;
 
        if (after) {
-               begin_reversible_command (_("select all after cursor"));
-               start = cursor->current_frame ;
+               start = cursor->current_frame();
                end = _session->current_end_frame();
        } else {
-               if (cursor->current_frame > 0) {
-                       begin_reversible_command (_("select all before cursor"));
+               if (cursor->current_frame() > 0) {
                        start = 0;
-                       end = cursor->current_frame - 1;
+                       end = cursor->current_frame() - 1;
                } else {
                        return;
                }
        }
 
+       if (_internal_editing) {
+               for (RegionSelection::iterator i = selection->regions.begin(); i != selection->regions.end(); ++i) {
+                       MidiRegionView* mrv = dynamic_cast<MidiRegionView*>(*i);
+                       if (mrv) {
+                               mrv->select_range (start, end);
+                       }
+               }
+               return;
+       }
+
+       if (after) {
+               begin_reversible_command (_("select all after cursor"));
+       } else {
+               begin_reversible_command (_("select all before cursor"));
+       }
 
        TrackViewList* ts;
 
@@ -1315,17 +1725,15 @@ Editor::select_all_selectables_using_cursor (EditorCursor *cursor, bool after)
 void
 Editor::select_all_selectables_using_edit (bool after)
 {
-        framepos_t start;
+       framepos_t start;
        framepos_t end;
        list<Selectable *> touched;
 
        if (after) {
-               begin_reversible_command (_("select all after edit"));
                start = get_preferred_edit_position();
                end = _session->current_end_frame();
        } else {
                if ((end = get_preferred_edit_position()) > 1) {
-                       begin_reversible_command (_("select all before edit"));
                        start = 0;
                        end -= 1;
                } else {
@@ -1333,6 +1741,19 @@ Editor::select_all_selectables_using_edit (bool after)
                }
        }
 
+       if (_internal_editing) {
+               for (RegionSelection::iterator i = selection->regions.begin(); i != selection->regions.end(); ++i) {
+                       MidiRegionView* mrv = dynamic_cast<MidiRegionView*>(*i);
+                       mrv->select_range (start, end);
+               }
+               return;
+       }
+
+       if (after) {
+               begin_reversible_command (_("select all after edit"));
+       } else {
+               begin_reversible_command (_("select all before edit"));
+       }
 
        TrackViewList* ts;
 
@@ -1355,7 +1776,7 @@ Editor::select_all_selectables_using_edit (bool after)
 void
 Editor::select_all_selectables_between (bool /*within*/)
 {
-        framepos_t start;
+       framepos_t start;
        framepos_t end;
        list<Selectable *> touched;
 
@@ -1363,6 +1784,14 @@ Editor::select_all_selectables_between (bool /*within*/)
                return;
        }
 
+       if (_internal_editing) {
+               for (RegionSelection::iterator i = selection->regions.begin(); i != selection->regions.end(); ++i) {
+                       MidiRegionView* mrv = dynamic_cast<MidiRegionView*>(*i);
+                       mrv->select_range (start, end);
+               }
+               return;
+       }
+
        TrackViewList* ts;
 
        if (selection->tracks.empty()) {
@@ -1384,12 +1813,12 @@ Editor::select_all_selectables_between (bool /*within*/)
 void
 Editor::select_range_between ()
 {
-        framepos_t start;
+       framepos_t start;
        framepos_t end;
 
-        if (mouse_mode == MouseRange && !selection->time.empty()) {
-                selection->clear_time ();
-        }
+       if ( !selection->time.empty() ) {
+               selection->clear_time ();
+       }
 
        if (!get_edit_op_range (start, end)) {
                return;
@@ -1405,9 +1834,9 @@ Editor::get_edit_op_range (framepos_t& start, framepos_t& end) const
        framepos_t m;
        bool ignored;
 
-       /* in range mode, use any existing selection */
+       /* if an explicit range exists, use it */
 
-       if (mouse_mode == MouseRange && !selection->time.empty()) {
+       if (!selection->time.empty()) {
                /* we know that these are ordered */
                start = selection->time.start();
                end = selection->time.end_frame();
@@ -1417,7 +1846,7 @@ Editor::get_edit_op_range (framepos_t& start, framepos_t& end) const
        if (!mouse_frame (m, ignored)) {
                /* mouse is not in a canvas, try playhead+selected marker.
                   this is probably most true when using menus.
-                */
+               */
 
                if (selection->markers.empty()) {
                        return false;
@@ -1457,9 +1886,9 @@ Editor::get_edit_op_range (framepos_t& start, framepos_t& end) const
                        if (selection->markers.empty()) {
 
                                MessageDialog win (_("No edit range defined"),
-                                                  false,
-                                                  MESSAGE_INFO,
-                                                  BUTTONS_OK);
+                                                  false,
+                                                  MESSAGE_INFO,
+                                                  BUTTONS_OK);
 
                                win.set_secondary_text (
                                        _("the edit point is Selected Marker\nbut there is no selected marker."));
@@ -1503,13 +1932,9 @@ Editor::deselect_all ()
 }
 
 long
-Editor::select_range_around_region (RegionView* rv)
+Editor::select_range (framepos_t s, framepos_t e)
 {
-       assert (rv);
-       
-       selection->set (&rv->get_time_axis_view());
-       
+       selection->add (clicked_axisview);
        selection->time.clear ();
-       boost::shared_ptr<Region> r = rv->region ();
-       return selection->set (r->position(), r->position() + r->length());
+       return selection->set (s, e);
 }