Visual tweaks to Soundcloud panel
[ardour.git] / gtk2_ardour / editor_drag.cc
index d451ef4aa941f047822342a41ed2b7dd7abe6437..8869df8cfb41c1571c916f6c9be115062001a779 100644 (file)
 
 #include "ardour/audioengine.h"
 #include "ardour/audioregion.h"
+#include "ardour/audio_track.h"
 #include "ardour/dB.h"
 #include "ardour/midi_region.h"
+#include "ardour/midi_track.h"
 #include "ardour/operations.h"
 #include "ardour/region_factory.h"
 #include "ardour/session.h"
@@ -641,38 +643,40 @@ RegionMotionDrag::y_movement_allowed (int delta_track, double delta_layer) const
 void
 RegionMotionDrag::motion (GdkEvent* event, bool first_move)
 {
-       assert (!_views.empty ());
+       double delta_layer = 0;
+       int delta_time_axis_view = 0;
 
-       /* Find the TimeAxisView that the pointer is now over */
-       pair<TimeAxisView*, double> const tv = _editor->trackview_by_y_position (_drags->current_pointer_y ());
+       assert (!_views.empty ());
 
-       /* Bail early if we're not over a track */
-       RouteTimeAxisView* rtv = dynamic_cast<RouteTimeAxisView*> (tv.first);
+       /* Note: time axis views in this method are often expressed as an index into the _time_axis_views vector */
 
-       if (!rtv || !rtv->is_track()) {
-               _editor->verbose_cursor()->hide ();
-               return;
-       }
+       /* Find the TimeAxisView that the pointer is now over */
+       pair<TimeAxisView*, double> const r = _editor->trackview_by_y_position (_drags->current_pointer_y ());
+       TimeAxisView* tv = r.first;
 
-       if (first_move && tv.first->view()->layer_display() == Stacked) {
-               tv.first->view()->set_layer_display (Expanded);
-       }
+       if (tv) {
 
-       /* Note: time axis views in this method are often expressed as an index into the _time_axis_views vector */
+               double layer = r.second;
+       
+               if (first_move && tv->view()->layer_display() == Stacked) {
+                       tv->view()->set_layer_display (Expanded);
+               }
 
-       /* Here's the current pointer position in terms of time axis view and layer */
-       int const current_pointer_time_axis_view = find_time_axis_view (tv.first);
-       double const current_pointer_layer = tv.first->layer_display() == Overlaid ? 0 : tv.second;
+               /* Here's the current pointer position in terms of time axis view and layer */
+               int const current_pointer_time_axis_view = find_time_axis_view (tv);
+               double const current_pointer_layer = tv->layer_display() == Overlaid ? 0 : layer;
+               
+               /* Work out the change in y */
 
+               delta_time_axis_view = current_pointer_time_axis_view - _last_pointer_time_axis_view;
+               delta_layer = current_pointer_layer - _last_pointer_layer;
+       }
+       
        /* Work out the change in x */
        framepos_t pending_region_position;
        double const x_delta = compute_x_delta (event, &pending_region_position);
 
-       /* Work out the change in y */
-
-       int delta_time_axis_view = current_pointer_time_axis_view - _last_pointer_time_axis_view;
-       double delta_layer = current_pointer_layer - _last_pointer_layer;
-
+       /* Verify change in y */
        if (!y_movement_allowed (delta_time_axis_view, delta_layer)) {
                /* this y movement is not allowed, so do no y movement this time */
                delta_time_axis_view = 0;
@@ -725,59 +729,71 @@ RegionMotionDrag::motion (GdkEvent* event, bool first_move)
                        this_delta_layer = - i->layer;
                }
 
-               /* The TimeAxisView that this region is now on */
-               TimeAxisView* tv = _time_axis_views[i->time_axis_view + delta_time_axis_view];
+               if (tv) {
 
-               /* Ensure it is moved from stacked -> expanded if appropriate */
-               if (tv->view()->layer_display() == Stacked) {
-                       tv->view()->set_layer_display (Expanded);
-               }
+                       /* The TimeAxisView that this region is now on */
+                       TimeAxisView* current_tv = _time_axis_views[i->time_axis_view + delta_time_axis_view];
+
+                       /* Ensure it is moved from stacked -> expanded if appropriate */
+                       if (current_tv->view()->layer_display() == Stacked) {
+                               current_tv->view()->set_layer_display (Expanded);
+                       }
                
-               /* We're only allowed to go -ve in layer on Expanded views */
-               if (tv->view()->layer_display() != Expanded && (i->layer + this_delta_layer) < 0) {
-                       this_delta_layer = - i->layer;
-               }
+                       /* We're only allowed to go -ve in layer on Expanded views */
+                       if (current_tv->view()->layer_display() != Expanded && (i->layer + this_delta_layer) < 0) {
+                               this_delta_layer = - i->layer;
+                       }
                
-               /* Set height */
-               rv->set_height (tv->view()->child_height ());
+                       /* Set height */
+                       rv->set_height (current_tv->view()->child_height ());
                
-               /* Update show/hidden status as the region view may have come from a hidden track,
-                  or have moved to one.
-               */
-               if (tv->hidden ()) {
-                       rv->get_canvas_group()->hide ();
-               } else {
-                       rv->get_canvas_group()->show ();
-               }
+                       /* Update show/hidden status as the region view may have come from a hidden track,
+                          or have moved to one.
+                       */
+                       if (current_tv->hidden ()) {
+                               rv->get_canvas_group()->hide ();
+                       } else {
+                               rv->get_canvas_group()->show ();
+                       }
 
-               /* Update the DraggingView */
-               i->time_axis_view += delta_time_axis_view;
-               i->layer += this_delta_layer;
+                       /* Update the DraggingView */
+                       i->time_axis_view += delta_time_axis_view;
+                       i->layer += this_delta_layer;
 
-               if (_brushing) {
-                       _editor->mouse_brush_insert_region (rv, pending_region_position);
-               } else {
-                       double x = 0;
-                       double y = 0;
+                       if (_brushing) {
+                               _editor->mouse_brush_insert_region (rv, pending_region_position);
+                       } else {
+                               double x = 0;
+                               double y = 0;
 
-                       /* Get the y coordinate of the top of the track that this region is now on */
-                       tv->canvas_display()->item_to_canvas (x, y);
+                               /* Get the y coordinate of the top of the track that this region is now on */
+                               current_tv->canvas_display()->item_to_canvas (x, y);
 
-                       /* And adjust for the layer that it should be on */
-                       StreamView* cv = tv->view ();
-                       switch (cv->layer_display ()) {
-                       case Overlaid:
-                               break;
-                       case Stacked:
-                               y += (cv->layers() - i->layer - 1) * cv->child_height ();
-                               break;
-                       case Expanded:
-                               y += (cv->layers() - i->layer - 0.5) * 2 * cv->child_height ();
-                               break;
-                       }
+                               /* And adjust for the layer that it should be on */
+                               StreamView* cv = current_tv->view ();
+                               switch (cv->layer_display ()) {
+                               case Overlaid:
+                                       break;
+                               case Stacked:
+                                       y += (cv->layers() - i->layer - 1) * cv->child_height ();
+                                       break;
+                               case Expanded:
+                                       y += (cv->layers() - i->layer - 0.5) * 2 * cv->child_height ();
+                                       break;
+                               }
 
-                       /* Now move the region view */
+                               /* Now move the region view */
+                               rv->move (x_delta, y - rv->get_canvas_group()->position().y);
+                       }
+               } else {
+                       double y = 0;
+                       double x = 0;
+                       
+                       TimeAxisView* last = _time_axis_views.back();
+                       last->canvas_display()->item_to_canvas (x, y);
+                       y += last->effective_height();
                        rv->move (x_delta, y - rv->get_canvas_group()->position().y);
+                       i->time_axis_view = -1;
                }
 
        } /* foreach region */
@@ -927,12 +943,36 @@ RegionMoveDrag::finished (GdkEvent* ev, bool movement_occurred)
        _editor->maybe_locate_with_edit_preroll (_editor->get_selection().regions.start());
 }
 
+RouteTimeAxisView*
+RegionMoveDrag::create_destination_time_axis (boost::shared_ptr<Region> region)
+{                      
+       /* Add a new track of the correct type, and return the RouteTimeAxisView that is created to display the
+          new track.
+        */
+                       
+       try {
+               if (boost::dynamic_pointer_cast<AudioRegion> (region)) {
+                       list<boost::shared_ptr<AudioTrack> > audio_tracks;
+                       audio_tracks = _editor->session()->new_audio_track (region->n_channels(), region->n_channels(), ARDOUR::Normal, 0, 1, region->name());
+                       return _editor->axis_view_from_route (audio_tracks.front());
+               } else {
+                       ChanCount one_midi_port (DataType::MIDI, 1);
+                       list<boost::shared_ptr<MidiTrack> > midi_tracks;
+                       midi_tracks = _editor->session()->new_midi_track (one_midi_port, one_midi_port, boost::shared_ptr<ARDOUR::PluginInfo>(), ARDOUR::Normal, 0, 1, region->name());
+                       return _editor->axis_view_from_route (midi_tracks.front());
+               }                                               
+       } catch (...) {
+               error << _("Could not create new track after region placed in the drop zone") << endmsg;
+               return 0;
+       }
+}
+
 void
 RegionMoveDrag::finished_copy (bool const changed_position, bool const /*changed_tracks*/, framecnt_t const drag_delta)
 {
        RegionSelection new_views;
        PlaylistSet modified_playlists;
-       list<RegionView*> views_to_delete;
+       RouteTimeAxisView* new_time_axis_view = 0;      
 
        if (_brushing) {
                /* all changes were made during motion event handlers */
@@ -952,7 +992,9 @@ RegionMoveDrag::finished_copy (bool const changed_position, bool const /*changed
        }
 
        /* insert the regions into their new playlists */
-       for (list<DraggingView>::const_iterator i = _views.begin(); i != _views.end(); ++i) {
+       for (list<DraggingView>::const_iterator i = _views.begin(); i != _views.end();) {
+
+               RouteTimeAxisView* dest_rtv = 0;
 
                if (i->view->region()->locked() || i->view->region()->video_locked()) {
                        continue;
@@ -965,27 +1007,31 @@ RegionMoveDrag::finished_copy (bool const changed_position, bool const /*changed
                } else {
                        where = i->view->region()->position();
                }
-
-               RegionView* new_view = insert_region_into_playlist (
-                       i->view->region(), dynamic_cast<RouteTimeAxisView*> (_time_axis_views[i->time_axis_view]), i->layer, where, modified_playlists
-                       );
-
-               if (new_view == 0) {
-                       continue;
+               
+               if (i->time_axis_view < 0) {
+                       if (!new_time_axis_view) {
+                               new_time_axis_view = create_destination_time_axis (i->view->region());
+                       }
+                       dest_rtv = new_time_axis_view;
+               } else {
+                       dest_rtv = dynamic_cast<RouteTimeAxisView*> (_time_axis_views[i->time_axis_view]);
+               }               
+               
+               if (dest_rtv != 0) {
+                       RegionView* new_view = insert_region_into_playlist (i->view->region(), dest_rtv, i->layer, where, modified_playlists);
+                       if (new_view != 0) {
+                               new_views.push_back (new_view);
+                       }
                }
+       
+               /* Delete the copy of the view that was used for dragging. Need to play safe with the iterator
+                  since deletion will automagically remove it from _views, thus invalidating i as an iterator.
+                */
 
-               new_views.push_back (new_view);
-
-               /* we don't need the copied RegionView any more */
-               views_to_delete.push_back (i->view);
-       }
-
-       /* Delete views that are no longer needed; we can't do this directly in the iteration over _views
-          because when views are deleted they are automagically removed from _views, which messes
-          up the iteration.
-       */
-       for (list<RegionView*>::iterator i = views_to_delete.begin(); i != views_to_delete.end(); ++i) {
-               delete *i;
+               list<DraggingView>::const_iterator next = i;
+               ++next;
+               delete i->view;
+               i = next;
        }
 
        /* If we've created new regions either by copying or moving
@@ -1013,6 +1059,7 @@ RegionMoveDrag::finished_no_copy (
        PlaylistSet modified_playlists;
        PlaylistSet frozen_playlists;
        set<RouteTimeAxisView*> views_to_update;
+       RouteTimeAxisView* new_time_axis_view = 0;
 
        if (_brushing) {
                /* all changes were made during motion event handlers */
@@ -1029,15 +1076,26 @@ RegionMoveDrag::finished_no_copy (
        for (list<DraggingView>::const_iterator i = _views.begin(); i != _views.end(); ) {
 
                RegionView* rv = i->view;
-
-               RouteTimeAxisView* const dest_rtv = dynamic_cast<RouteTimeAxisView*> (_time_axis_views[i->time_axis_view]);
-               double const dest_layer = i->layer;
+               RouteTimeAxisView* dest_rtv = 0;
 
                if (rv->region()->locked() || rv->region()->video_locked()) {
                        ++i;
                        continue;
                }
+               
+               if (i->time_axis_view < 0) {
+                       if (!new_time_axis_view) {
+                               new_time_axis_view = create_destination_time_axis (rv->region());
+                       }
+                       dest_rtv = new_time_axis_view;
+               } else {
+                       dest_rtv = dynamic_cast<RouteTimeAxisView*> (_time_axis_views[i->time_axis_view]);
+               }
+                       
+               assert (dest_rtv);
 
+               double const dest_layer = i->layer;
+               
                views_to_update.insert (dest_rtv);
 
                framepos_t where;
@@ -1077,6 +1135,17 @@ RegionMoveDrag::finished_no_copy (
 
                } else {
 
+                       boost::shared_ptr<Playlist> playlist = dest_rtv->playlist();
+
+                       /* this movement may result in a crossfade being modified, or a layering change,
+                          so we need to get undo data from the playlist as well as the region.
+                       */
+
+                       pair<PlaylistSet::iterator, bool> r = modified_playlists.insert (playlist);
+                       if (r.second) {
+                               playlist->clear_changes ();
+                       }
+
                        rv->region()->clear_changes ();
 
                        /*
@@ -1090,30 +1159,18 @@ RegionMoveDrag::finished_no_copy (
                        rv->drag_end ();
 
                        /* just change the model */
-
-                       boost::shared_ptr<Playlist> playlist = dest_rtv->playlist();
-
                        if (dest_rtv->view()->layer_display() == Stacked || dest_rtv->view()->layer_display() == Expanded) {
                                playlist->set_layer (rv->region(), dest_layer);
                        }
 
                        /* freeze playlist to avoid lots of relayering in the case of a multi-region drag */
 
-                       pair<PlaylistSet::iterator, bool> r = frozen_playlists.insert (playlist);
+                       r = frozen_playlists.insert (playlist);
 
                        if (r.second) {
                                playlist->freeze ();
                        }
 
-                       /* this movement may result in a crossfade being modified, so we need to get undo
-                          data from the playlist as well as the region.
-                       */
-
-                       r = modified_playlists.insert (playlist);
-                       if (r.second) {
-                               playlist->clear_changes ();
-                       }
-
                        rv->region()->set_position (where);
 
                        _editor->session()->add_command (new StatefulDiffCommand (rv->region()));
@@ -1789,9 +1846,10 @@ VideoTimeLineDrag::aborted (bool)
 
 TrimDrag::TrimDrag (Editor* e, ArdourCanvas::Item* i, RegionView* p, list<RegionView*> const & v, bool preserve_fade_anchor)
        : RegionDrag (e, i, p, v)
+       , _preserve_fade_anchor (preserve_fade_anchor)
+       , _jump_position_when_done (false)
 {
        DEBUG_TRACE (DEBUG::Drags, "New TrimDrag\n");
-       _preserve_fade_anchor = preserve_fade_anchor;
 }
 
 void
@@ -1828,6 +1886,10 @@ TrimDrag::start_grab (GdkEvent* event, Gdk::Cursor*)
                }
        }
 
+       if (Keyboard::modifier_state_equals (event->button.state, Keyboard::TertiaryModifier)) {
+               _jump_position_when_done = true;
+       }
+
        switch (_operation) {
        case StartTrim:
                show_verbose_cursor_time (region_start);
@@ -1954,8 +2016,7 @@ TrimDrag::motion (GdkEvent* event, bool first_move)
 
        case ContentsTrim:
                {
-                       frame_delta = (adjusted_current_frame(event) - last_pointer_frame());
-                       // frame_delta = (last_pointer_frame() - adjusted_current_frame(event));
+                       frame_delta = (last_pointer_frame() - adjusted_current_frame(event));
 
                        for (list<DraggingView>::const_iterator i = _views.begin(); i != _views.end(); ++i) {
                                i->view->move_contents (frame_delta);
@@ -2007,6 +2068,9 @@ TrimDrag::finished (GdkEvent* event, bool movement_occurred)
                                                ar->set_fade_in_length(new_length);
                                        }
                                }
+                               if (_jump_position_when_done) {
+                                       i->view->region()->set_position (i->initial_position);
+                               }
                        }
                } else if (_operation == EndTrim) {
                        for (list<DraggingView>::const_iterator i = _views.begin(); i != _views.end(); ++i) {
@@ -2024,6 +2088,9 @@ TrimDrag::finished (GdkEvent* event, bool movement_occurred)
                                                ar->set_fade_out_length(new_length);
                                        }
                                }
+                               if (_jump_position_when_done) {
+                                       i->view->region()->set_position (i->initial_end - i->view->region()->length());
+                               }
                        }
                }