first vaguely working version using PresentationInfo
[ardour.git] / gtk2_ardour / editor_drag.cc
index a7e4d22df151e1f7441127dbdbc7651b0094312d..16b52b9330e24aa53ad8d2ded42e04354b80c162 100644 (file)
@@ -525,12 +525,12 @@ Drag::add_midi_region (MidiTimeAxisView* view, bool commit)
        return boost::shared_ptr<Region>();
 }
 
-struct EditorOrderTimeAxisViewSorter {
+struct PresentationInfoTimeAxisViewSorter {
        bool operator() (TimeAxisView* a, TimeAxisView* b) {
                RouteTimeAxisView* ra = dynamic_cast<RouteTimeAxisView*> (a);
                RouteTimeAxisView* rb = dynamic_cast<RouteTimeAxisView*> (b);
                assert (ra && rb);
-               return ra->route()->order_key () < rb->route()->order_key ();
+               return ra->route()->presentation_info () < rb->route()->presentation_info();
        }
 };
 
@@ -546,7 +546,7 @@ RegionDrag::RegionDrag (Editor* e, ArdourCanvas::Item* i, RegionView* p, list<Re
        */
 
        TrackViewList track_views = _editor->track_views;
-       track_views.sort (EditorOrderTimeAxisViewSorter ());
+       track_views.sort (PresentationInfoTimeAxisViewSorter ());
 
        for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
                _time_axis_views.push_back (*i);
@@ -1397,7 +1397,7 @@ RegionMoveDrag::create_destination_time_axis (boost::shared_ptr<Region> region,
                        if ((Config->get_output_auto_connect() & AutoConnectMaster) && _editor->session()->master_out()) {
                                output_chan =  _editor->session()->master_out()->n_inputs().n_audio();
                        }
-                       audio_tracks = _editor->session()->new_audio_track (region->n_channels(), output_chan, ARDOUR::Normal, 0, 1, region->name());
+                       audio_tracks = _editor->session()->new_audio_track (region->n_channels(), output_chan, 0, 1, region->name(), PresentationInfo::max_order, ARDOUR::Normal);
                        RouteTimeAxisView* rtav = _editor->axis_view_from_route (audio_tracks.front());
                        if (rtav) {
                                rtav->set_height (original->current_height());
@@ -1406,7 +1406,7 @@ RegionMoveDrag::create_destination_time_axis (boost::shared_ptr<Region> region,
                } 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());
+                       midi_tracks = _editor->session()->new_midi_track (one_midi_port, one_midi_port, boost::shared_ptr<ARDOUR::PluginInfo>(), 0, 1, region->name(), PresentationInfo::max_order, ARDOUR::Normal);
                        RouteTimeAxisView* rtav = _editor->axis_view_from_route (midi_tracks.front());
                        if (rtav) {
                                rtav->set_height (original->current_height());
@@ -3115,8 +3115,10 @@ TrimDrag::setup_pointer_frame_offset ()
 }
 
 MeterMarkerDrag::MeterMarkerDrag (Editor* e, ArdourCanvas::Item* i, bool c)
-       : Drag (e, i),
-         _copy (c)
+       : Drag (e, i)
+       , _copy (c)
+       , _old_snap_type (e->snap_type())
+       , _old_snap_mode (e->snap_mode())
        , before_state (0)
 {
        DEBUG_TRACE (DEBUG::Drags, "New MeterMarkerDrag\n");
@@ -3142,12 +3144,7 @@ MeterMarkerDrag::setup_pointer_frame_offset ()
 void
 MeterMarkerDrag::motion (GdkEvent* event, bool first_move)
 {
-       if (!_marker->meter().movable()) {
-               //return;
-       }
-
        if (first_move) {
-
                // create a dummy marker to catch events, then hide it.
 
                char name[64];
@@ -3174,10 +3171,7 @@ MeterMarkerDrag::motion (GdkEvent* event, bool first_move)
                } else {
                        _editor->begin_reversible_command (_("copy meter mark"));
 
-                       Timecode::BBT_Time bbt;
-                       map.bbt_time (adjusted_current_frame (event, false), bbt);
-                       /* round bbt to bars */
-                       map.round_bbt (bbt, -1);
+                       Timecode::BBT_Time bbt = _real_section->bbt();
 
                        /* we can't add a meter where one currently exists */
                        if (_real_section->frame() < adjusted_current_frame (event, false)) {
@@ -3185,32 +3179,31 @@ MeterMarkerDrag::motion (GdkEvent* event, bool first_move)
                        } else {
                                --bbt.bars;
                        }
-                       const double beat = map.bbt_to_beats (bbt);
+                       const double beat = map.beat_at_bbt (bbt);
+                       _real_section = map.add_meter (Meter (_marker->meter().divisions_per_bar(), _marker->meter().note_divisor())
+                                                      , beat, bbt, map.frame_at_bbt (bbt), _real_section->position_lock_style());
 
-                       if (_real_section->position_lock_style() == AudioTime) {
-                               _real_section = map.add_meter (Meter (_marker->meter().divisions_per_bar(), _marker->meter().note_divisor())
-                                                              , map.frame_time (bbt), beat, bbt);
-                       } else {
-                               _real_section = map.add_meter (Meter (_marker->meter().divisions_per_bar(), _marker->meter().note_divisor()), beat, bbt);
-                       }
+               }
+               /* only snap to bars. leave snap mode alone for audio locked meters.*/
+               if (_real_section->position_lock_style() != AudioTime) {
+                       _editor->set_snap_to (SnapToBar);
+                       _editor->set_snap_mode (SnapNormal);
                }
        }
 
-       framepos_t const pf = adjusted_current_frame (event, false);
-       _marker->set_position (pf);
-       if (_marker->meter().position_lock_style() == MusicTime) {
-               TempoMap& map (_editor->session()->tempo_map());
-               Timecode::BBT_Time bbt;
-               map.bbt_time (adjusted_current_frame (event, false), bbt);
-               /* round bbt to bars */
-               map.round_bbt (bbt, -1);
-               const double beat = map.bbt_to_beats (bbt);
-               _editor->session()->tempo_map().gui_move_meter (_real_section, beat);
-       } else {
-               _editor->session()->tempo_map().gui_move_meter (_real_section, pf);
+       framepos_t pf = adjusted_current_frame (event);
+
+       if (_real_section->position_lock_style() == AudioTime && _editor->snap_musical()) {
+               /* never snap to music for audio locked */
+               pf = adjusted_current_frame (event, false);
        }
-       _marker->set_position (pf);
-       show_verbose_cursor_time (pf);
+
+       _editor->session()->tempo_map().gui_move_meter (_real_section, pf);
+
+       /* fake marker meeds to stay under the mouse, unlike the real one. */
+       _marker->set_position (adjusted_current_frame (event, false));
+
+       show_verbose_cursor_time (_real_section->frame());
 }
 
 void
@@ -3223,6 +3216,10 @@ MeterMarkerDrag::finished (GdkEvent* event, bool movement_occurred)
                return;
        }
 
+       /* reinstate old snap setting */
+       _editor->set_snap_to (_old_snap_type);
+       _editor->set_snap_mode (_old_snap_mode);
+
        TempoMap& map (_editor->session()->tempo_map());
 
        XMLNode &after = map.get_state();
@@ -3239,6 +3236,10 @@ MeterMarkerDrag::aborted (bool moved)
 {
        _marker->set_position (_marker->meter().frame ());
        if (moved) {
+               /* reinstate old snap setting */
+               _editor->set_snap_to (_old_snap_type);
+               _editor->set_snap_mode (_old_snap_mode);
+
                _editor->session()->tempo_map().set_state (*before_state, Stateful::current_state_version);
                // delete the dummy marker we used for visual representation while moving.
                // a new visual marker will show up automatically.
@@ -3282,6 +3283,7 @@ TempoMarkerDrag::motion (GdkEvent* event, bool first_move)
        if (!_real_section->active()) {
                return;
        }
+
        if (first_move) {
 
                // mvc drag - create a dummy marker to catch events, hide it.
@@ -3306,126 +3308,71 @@ TempoMarkerDrag::motion (GdkEvent* event, bool first_move)
                TempoMap& map (_editor->session()->tempo_map());
                /* get current state */
                before_state = &map.get_state();
+
                if (!_copy) {
                        _editor->begin_reversible_command (_("move tempo mark"));
-               } else {
-                       _editor->begin_reversible_command (_("copy tempo mark"));
-                       framepos_t frame;
-                       bool use_snap = false;
-
-                       if (!_editor->snap_musical()) {
-                               frame = adjusted_current_frame (event);
-                       } else {
-                               frame = adjusted_current_frame (event, false);
-                               if (ArdourKeyboard::indicates_snap (event->button.state)) {
-                                       if (_editor->snap_mode() == Editing::SnapOff) {
-                                               use_snap = true;
-                                       } else {
-                                               use_snap = false;
-                                       }
-                               } else {
-                                       if (_editor->snap_mode() == Editing::SnapOff) {
-                                               use_snap = false;
-                                       } else {
-                                               use_snap = true;
-                                       }
-                               }
-                       }
 
-                       Timecode::BBT_Time bbt;
-                       map.bbt_time (frame, bbt);
+               } else {
+                       const framepos_t frame = adjusted_current_frame (event) + 1;
 
-                       /* add new tempo section to map, ensuring we don't refer to existing tempos for snap */
+                       _editor->begin_reversible_command (_("copy tempo mark"));
 
                        if (_real_section->position_lock_style() == MusicTime) {
-                               if (use_snap && _editor->snap_type() == SnapToBar) {
-                                       map.round_bbt (bbt, -1);
-                               } else if (use_snap) {
-                                       map.round_bbt (bbt, _editor->get_grid_beat_divisions (0));
-                               }
-                               double const pulse = map.predict_tempo_pulse (_real_section, map.frame_time (bbt));
-                               _real_section = map.add_tempo (_marker->tempo(), pulse, _real_section->type());
+                               _real_section = map.add_tempo (_marker->tempo(), map.pulse_at_frame (frame), 0, _real_section->type(), MusicTime);
                        } else {
-                               if (use_snap && _editor->snap_type() == SnapToBar) {
-                                       map.round_bbt (bbt, -1);
-                               } else if (use_snap) {
-                                       map.round_bbt (bbt, _editor->get_grid_beat_divisions (0));
-                               }
-                               if (use_snap) {
-                                       frame = map.predict_tempo_frame (_real_section, bbt);
-                               }
-                               _real_section = map.add_tempo (_marker->tempo(), frame, _real_section->type());
+                               _real_section = map.add_tempo (_marker->tempo(), 0.0, frame, _real_section->type(), AudioTime);
                        }
                }
 
        }
 
-       framepos_t pf;
-       Tempo const tp = _marker->tempo();
-       if (Keyboard::modifier_state_equals (event->button.state, ArdourKeyboard::constraint_modifier ())) {
+       if (Keyboard::modifier_state_contains (event->button.state, ArdourKeyboard::constraint_modifier ())) {
+               /* use vertical movement to alter tempo .. should be log */
                double new_bpm = _real_section->beats_per_minute() + ((last_pointer_y() - current_pointer_y()) / 5.0);
-               _editor->session()->tempo_map().gui_change_tempo (_real_section, Tempo (new_bpm, _real_section->note_type()));
                stringstream strs;
+
+               _editor->session()->tempo_map().gui_change_tempo (_real_section, Tempo (new_bpm, _real_section->note_type()));
                strs << new_bpm;
                show_verbose_cursor_text (strs.str());
-       } else if (_movable) {
+
+       } else if (_movable && !_real_section->locked_to_meter()) {
+               TempoMap& map (_editor->session()->tempo_map());
+               const bool was_music = _real_section->position_lock_style() == MusicTime;
+
+               const framepos_t pf = adjusted_current_frame (event);
+
                if (!_editor->snap_musical()) {
-                       /* snap normally (this is not self-referential).*/
-                       pf = adjusted_current_frame (event);
-               } else {
-                       /* but this is.
-                          we can't use the map for anything related to tempo,
-                          so we round bbt using meters, which have no dependency
-                          on pulse for this kind of thing.
-                       */
-                       bool use_snap;
-                       TempoMap& map (_editor->session()->tempo_map());
 
-                       pf = adjusted_current_frame (event, false);
-                       if (ArdourKeyboard::indicates_snap (event->button.state)) {
-                               if (_editor->snap_mode() == Editing::SnapOff) {
-                                       use_snap = true;
-                               } else {
-                                       use_snap = false;
-                               }
-                       } else {
-                               if (_editor->snap_mode() == Editing::SnapOff) {
-                                       use_snap = false;
-                               } else {
-                                       use_snap = true;
-                               }
+                       if (was_music) {
+                               _real_section->set_position_lock_style (AudioTime);
                        }
 
-                       Timecode::BBT_Time when;
-                       map.bbt_time (pf, when);
+                       map.gui_move_tempo (_real_section, pf);
 
-                       if (_real_section->position_lock_style() == MusicTime) {
+                       if (was_music) {
+                               _real_section->set_position_lock_style (MusicTime);
+                       }
 
-                               const double pulse = map.predict_tempo_pulse (_real_section, pf);
-                               when = map.pulse_to_bbt (pulse);
-                               if (use_snap && _editor->snap_type() == SnapToBar) {
-                                       map.round_bbt (when, -1);
-                               } else if (use_snap) {
-                                       map.round_bbt (when, _editor->get_grid_beat_divisions (0));
-                               }
-                               const double beat = map.bbt_to_beats (when);
-                               map.gui_move_tempo_beat (_real_section, beat);
-                       } else {
-                               if (use_snap && _editor->snap_type() == SnapToBar) {
-                                       map.round_bbt (when, -1);
-                               } else if (use_snap) {
-                                       map.round_bbt (when, _editor->get_grid_beat_divisions (0));
-                               }
-                               if (use_snap) {
-                                       pf = map.predict_tempo_frame (_real_section, when);
-                               }
-                               map.gui_move_tempo_frame (_real_section, pf);
+               } else {
+
+                       if (!was_music) {
+                               _real_section->set_position_lock_style (MusicTime);
+                       }
+
+                       map.gui_move_tempo (_real_section, pf);
+
+                       if (!was_music) {
+                               _real_section->set_position_lock_style (AudioTime);
                        }
                }
 
                show_verbose_cursor_time (_real_section->frame());
        }
-       _marker->set_position (pf);
+
+       /* this has moved the bar lines themselves, so recalibrate the offset */
+       setup_pointer_frame_offset();
+
+       _marker->set_position (adjusted_current_frame (event, false));
 }
 
 void
@@ -3465,6 +3412,106 @@ TempoMarkerDrag::aborted (bool moved)
        }
 }
 
+BBTRulerDrag::BBTRulerDrag (Editor* e, ArdourCanvas::Item* i)
+       : Drag (e, i)
+       , _pulse (0.0)
+       , _tempo (0)
+       , before_state (0)
+{
+       DEBUG_TRACE (DEBUG::Drags, "New BBTRulerDrag\n");
+
+}
+
+void
+BBTRulerDrag::start_grab (GdkEvent* event, Gdk::Cursor* cursor)
+{
+       Drag::start_grab (event, cursor);
+       TempoMap& map (_editor->session()->tempo_map());
+       _tempo = const_cast<TempoSection*> (&map.tempo_section_at_frame (raw_grab_frame()));
+       ostringstream sstr;
+
+       sstr << "^" << fixed << setprecision(3) << map.tempo_at_frame (adjusted_current_frame (event)).beats_per_minute() << "\n";
+       sstr << "<" << fixed << setprecision(3) << _tempo->beats_per_minute();
+       show_verbose_cursor_text (sstr.str());
+       finished (event, false);
+}
+
+void
+BBTRulerDrag::setup_pointer_frame_offset ()
+{
+       TempoMap& map (_editor->session()->tempo_map());
+       const double beat_at_frame = map.beat_at_frame (raw_grab_frame());
+       const uint32_t divisions = _editor->get_grid_beat_divisions (0);
+       double beat = 0.0;
+
+       if (divisions > 0) {
+               beat = floor (beat_at_frame) + (floor (((beat_at_frame - floor (beat_at_frame)) * divisions)) / divisions);
+       } else {
+               /* while it makes some sense for the user to determine the division to 'grab',
+                  grabbing a bar often leads to confusing results wrt the actual tempo section being altered
+                  and the result over steep tempo curves. Use sixteenths.
+               */
+               beat = floor (beat_at_frame) + (floor (((beat_at_frame - floor (beat_at_frame)) * 4)) / 4);
+       }
+
+       _pulse = map.pulse_at_beat (beat);
+
+       _pointer_frame_offset = raw_grab_frame() - map.frame_at_pulse (_pulse);
+
+}
+
+void
+BBTRulerDrag::motion (GdkEvent* event, bool first_move)
+{
+       TempoMap& map (_editor->session()->tempo_map());
+
+       if (first_move) {
+               /* get current state */
+               before_state = &map.get_state();
+               _editor->begin_reversible_command (_("dilate tempo"));
+       }
+
+       framepos_t pf;
+
+       if (_editor->snap_musical()) {
+               pf = adjusted_current_frame (event, false);
+       } else {
+               pf = adjusted_current_frame (event);
+       }
+
+       if (Keyboard::modifier_state_contains (event->button.state, ArdourKeyboard::constraint_modifier())) {
+               /* adjust previous tempo to match pointer frame */
+               _editor->session()->tempo_map().gui_dilate_tempo (_tempo, map.frame_at_pulse (_pulse), pf, _pulse);
+       }
+       ostringstream sstr;
+       sstr << "^" << fixed << setprecision(3) << map.tempo_at_frame (pf).beats_per_minute() << "\n";
+       sstr << "<" << fixed << setprecision(3) << _tempo->beats_per_minute();
+       show_verbose_cursor_text (sstr.str());
+}
+
+void
+BBTRulerDrag::finished (GdkEvent* event, bool movement_occurred)
+{
+       if (!movement_occurred) {
+               return;
+       }
+
+       TempoMap& map (_editor->session()->tempo_map());
+
+       XMLNode &after = map.get_state();
+       _editor->session()->add_command(new MementoCommand<TempoMap>(map, before_state, &after));
+       _editor->commit_reversible_command ();
+}
+
+void
+BBTRulerDrag::aborted (bool moved)
+{
+       if (moved) {
+               _editor->session()->tempo_map().set_state (*before_state, Stateful::current_state_version);
+       }
+}
+
+
 CursorDrag::CursorDrag (Editor* e, EditorCursor& c, bool s)
        : Drag (e, &c.track_canvas_item(), false)
        , _cursor (c)