2 * Copyright (C) 2006-2015 David Robillard <d@drobilla.net>
3 * Copyright (C) 2008-2012 Hans Baier <hansfbaier@googlemail.com>
4 * Copyright (C) 2008-2017 Paul Davis <paul@linuxaudiosystems.com>
5 * Copyright (C) 2009-2012 Carl Hetherington <carl@carlh.net>
6 * Copyright (C) 2015-2016 Tim Mayberry <mojofunk@gmail.com>
7 * Copyright (C) 2015-2017 Nick Mainsbridge <mainsbridge@gmail.com>
8 * Copyright (C) 2015-2017 Robin Gareus <robin@gareus.org>
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
20 * You should have received a copy of the GNU General Public License along
21 * with this program; if not, write to the Free Software Foundation, Inc.,
22 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
25 #ifndef __gtk_ardour_midi_region_view_h__
26 #define __gtk_ardour_midi_region_view_h__
32 #include "pbd/signals.h"
34 #include "ardour/midi_model.h"
35 #include "ardour/types.h"
38 #include "region_view.h"
39 #include "midi_time_axis.h"
40 #include "time_axis_view_item.h"
41 #include "automation_line.h"
52 struct PatchPrimaryKey;
60 class MidiTimeAxisView;
62 class AutomationTimeAxisView;
63 class AutomationRegionView;
71 class MidiRegionView : public RegionView
74 typedef Evoral::Note<Temporal::Beats> NoteType;
75 typedef Evoral::Sequence<Temporal::Beats>::Notes Notes;
77 MidiRegionView (ArdourCanvas::Container* parent,
78 RouteTimeAxisView& tv,
79 boost::shared_ptr<ARDOUR::MidiRegion> r,
80 double samples_per_pixel,
81 uint32_t basic_color);
83 MidiRegionView (ArdourCanvas::Container* parent,
84 RouteTimeAxisView& tv,
85 boost::shared_ptr<ARDOUR::MidiRegion> r,
86 double samples_per_pixel,
89 Visibility visibility);
92 MidiRegionView (const MidiRegionView& other);
93 MidiRegionView (const MidiRegionView& other, boost::shared_ptr<ARDOUR::MidiRegion>);
99 const boost::shared_ptr<ARDOUR::MidiRegion> midi_region() const;
101 inline MidiTimeAxisView* midi_view() const
102 { return dynamic_cast<MidiTimeAxisView*>(&trackview); }
104 inline MidiStreamView* midi_stream_view() const
105 { return midi_view()->midi_view(); }
107 void step_add_note (uint8_t channel, uint8_t number, uint8_t velocity,
108 Temporal::Beats pos, Temporal::Beats len);
109 void step_sustain (Temporal::Beats beats);
110 void set_height (double);
111 void apply_note_range(uint8_t lowest, uint8_t highest, bool force=false);
113 inline ARDOUR::ColorMode color_mode() const { return midi_view()->color_mode(); }
115 uint32_t get_fill_color() const;
116 void color_handler ();
118 void show_step_edit_cursor (Temporal::Beats pos);
119 void move_step_edit_cursor (Temporal::Beats pos);
120 void hide_step_edit_cursor ();
121 void set_step_edit_cursor_width (Temporal::Beats beats);
123 void redisplay_model();
125 GhostRegion* add_ghost (TimeAxisView&);
127 NoteBase* add_note(const boost::shared_ptr<NoteType> note, bool visible);
128 void resolve_note(uint8_t note_num, Temporal::Beats end_time);
130 void cut_copy_clear (Editing::CutCopyOp);
131 bool paste (samplepos_t pos, const ::Selection& selection, PasteContext& ctx, const int32_t sub_num);
132 void paste_internal (samplepos_t pos, unsigned paste_count, float times, const MidiCutBuffer&);
134 void add_canvas_patch_change (ARDOUR::MidiModel::PatchChangePtr patch, const std::string& displaytext, bool);
135 void remove_canvas_patch_change (PatchChange* pc);
137 /** Look up the given time and channel in the 'automation' and set keys accordingly.
138 * @param time the time of the patch change event
139 * @param channel the MIDI channel of the event
140 * @param key a reference to an instance of MIDI::Name::PatchPrimaryKey whose fields will
141 * will be set according to the result of the lookup
143 void get_patch_key_at (Temporal::Beats time, uint8_t channel, MIDI::Name::PatchPrimaryKey& key) const;
145 /** Convert a given PatchChange into a PatchPrimaryKey
147 MIDI::Name::PatchPrimaryKey patch_change_to_patch_key (ARDOUR::MidiModel::PatchChangePtr);
149 /** Change old_patch to new_patch.
150 * @param old_patch the canvas patch change which is to be altered
151 * @param new_patch new patch
153 void change_patch_change (PatchChange& old_patch, const MIDI::Name::PatchPrimaryKey& new_patch);
154 void change_patch_change (ARDOUR::MidiModel::PatchChangePtr, Evoral::PatchChange<Temporal::Beats> const &);
156 void add_patch_change (samplecnt_t, Evoral::PatchChange<Temporal::Beats> const &);
157 void move_patch_change (PatchChange &, Temporal::Beats);
158 void delete_patch_change (PatchChange *);
159 void edit_patch_change (PatchChange *);
161 void delete_sysex (SysEx*);
163 /** Change a patch to the next or previous bank/program.
165 * @param patch The patch-change instance (canvas item)
166 * @param bank If true, step bank, otherwise, step program.
167 * @param delta Amount to adjust number.
169 void step_patch (PatchChange& patch, bool bank, int delta);
171 /** Displays all patch change events in the region as flags on the canvas.
173 void display_patch_changes();
175 /** Displays all system exclusive events in the region as flags on the canvas.
177 void display_sysexes();
181 void extend_active_notes();
183 void display_model(boost::shared_ptr<ARDOUR::MidiModel> model);
185 void start_note_diff_command (std::string name = "midi edit");
186 void note_diff_add_change (NoteBase* ev, ARDOUR::MidiModel::NoteDiffCommand::Property, uint8_t val);
187 void note_diff_add_change (NoteBase* ev, ARDOUR::MidiModel::NoteDiffCommand::Property, Temporal::Beats val);
188 void note_diff_add_note (const boost::shared_ptr<NoteType> note, bool selected, bool show_velocity = false);
189 void note_diff_remove_note (NoteBase* ev);
191 void apply_diff (bool as_subcommand = false, bool was_copy = false);
192 void abort_command();
194 void note_entered(NoteBase* ev);
195 void note_left(NoteBase* ev);
196 void patch_entered (PatchChange *);
197 void patch_left (PatchChange *);
198 void sysex_entered (SysEx* p);
199 void sysex_left (SysEx* p);
200 void note_mouse_position (float xfraction, float yfraction, bool can_set_cursor=true);
201 void unique_select(NoteBase* ev);
202 void note_selected(NoteBase* ev, bool add, bool extend=false);
203 void note_deselected(NoteBase* ev);
204 void delete_selection();
205 void delete_note (boost::shared_ptr<NoteType>);
206 size_t selection_size() { return _selection.size(); }
207 void select_all_notes ();
208 void select_range(samplepos_t start, samplepos_t end);
209 void invert_selection ();
211 Temporal::Beats earliest_in_selection ();
212 void move_selection(double dx, double dy, double cumulative_dy);
213 void note_dropped (NoteBase* ev, double d_qn, int8_t d_note, bool copy);
214 NoteBase* copy_selection (NoteBase* primary);
215 void move_copies(double dx_qn, double dy, double cumulative_dy);
217 void select_notes (std::list<Evoral::event_id_t>);
218 void select_matching_notes (uint8_t notenum, uint16_t channel_mask, bool add, bool extend);
219 void toggle_matching_notes (uint8_t notenum, uint16_t channel_mask);
221 /** Test if a note is within this region's range
223 * @param note the note to test
224 * @param visible will be set to true if the note is within the visible note range, false otherwise.
225 * @return true iff the note is within the (time) extent of the region.
227 bool note_in_region_range(const boost::shared_ptr<NoteType> note, bool& visible) const;
229 /** Get the region position in pixels relative to session. */
230 double get_position_pixels();
232 /** Get the region end position in pixels relative to session. */
233 double get_end_position_pixels();
235 /** Begin resizing of some notes.
236 * Called by CanvasMidiNote when resizing starts.
237 * @param at_front which end of the note (true == note on, false == note off)
239 void begin_resizing(bool at_front);
241 void update_resizing (NoteBase* primary, bool at_front, double delta_x, bool relative, double snap_delta, bool with_snap);
242 void commit_resizing (NoteBase* primary, bool at_front, double delat_x, bool relative, double snap_delta, bool with_snap);
243 void abort_resizing ();
245 /** Change the channel of the selection.
246 * @param channel - the channel number of the new channel, zero-based
248 void change_channel(uint8_t channel);
255 SelectVerticalDragging,
259 MouseState mouse_state() const { return _mouse_state; }
261 struct NoteResizeData {
263 ArdourCanvas::Rectangle *resize_rect;
266 /** Snap a region relative pixel coordinate to pixel units.
267 * @param x a pixel coordinate relative to region start
268 * @param ensure_snap do not use magnetic snap (required for snap delta calculation)
269 * @return the snapped pixel coordinate relative to region start
271 double snap_to_pixel(double x, bool ensure_snap = false);
273 /** Snap a region relative pixel coordinate to sample units.
274 * @param x a pixel coordinate relative to region start
275 * @param ensure_snap ignore SnapOff and magnetic snap.
276 * Required for inverting snap logic with modifier keys and snap delta calculation.
277 * @return the snapped samplepos_t coordinate relative to region start
279 samplepos_t snap_pixel_to_sample(double x, bool ensure_snap = false);
281 /** Convert a timestamp in beats into samples (both relative to region position) */
282 samplepos_t region_beats_to_region_samples(Temporal::Beats beats) const;
283 /** Convert a timestamp in beats into absolute samples */
284 samplepos_t region_beats_to_absolute_samples(Temporal::Beats beats) const {
285 return _region->position() + region_beats_to_region_samples (beats);
287 /** Convert a timestamp in samples to beats (both relative to region position) */
288 Temporal::Beats region_samples_to_region_beats(samplepos_t) const;
289 double region_samples_to_region_beats_double(samplepos_t) const;
291 /** Convert a timestamp in beats measured from source start into absolute samples */
292 samplepos_t source_beats_to_absolute_samples(Temporal::Beats beats) const;
293 /** Convert a timestamp in beats measured from source start into region-relative samples */
294 samplepos_t source_beats_to_region_samples(Temporal::Beats beats) const {
295 return source_beats_to_absolute_samples (beats) - _region->position();
297 /** Convert a timestamp in absolute samples to beats measured from source start*/
298 Temporal::Beats absolute_samples_to_source_beats(samplepos_t) const;
300 ARDOUR::BeatsSamplesConverter const & region_relative_time_converter () const {
301 return _region_relative_time_converter;
304 ARDOUR::BeatsSamplesConverter const & source_relative_time_converter () const {
305 return _source_relative_time_converter;
308 ARDOUR::DoubleBeatsSamplesConverter const & region_relative_time_converter_double () const {
309 return _region_relative_time_converter_double;
312 double session_relative_qn (double qn) const;
314 void goto_previous_note (bool add_to_selection);
315 void goto_next_note (bool add_to_selection);
316 void change_note_lengths (bool, bool, Temporal::Beats beats, bool start, bool end);
317 void change_velocities (bool up, bool fine, bool allow_smush, bool all_together);
318 void transpose (bool up, bool fine, bool allow_smush);
319 void nudge_notes (bool forward, bool fine);
320 void channel_edit ();
321 void velocity_edit ();
323 void show_list_editor ();
325 typedef std::set<NoteBase*> Selection;
326 Selection selection () const {
330 void selection_as_notelist (Notes& selected, bool allow_all_if_none_selected = false);
332 void enable_display (bool);
334 void set_channel_selector_scoped_note(NoteBase* note){ _channel_selection_scoped_note = note; }
335 NoteBase* channel_selector_scoped_note(){ return _channel_selection_scoped_note; }
337 void trim_front_starting ();
338 void trim_front_ending ();
340 /** Add a note to the model, and the view, at a canvas (click) coordinate.
341 * \param t time in samples relative to the position of the region
342 * \param y vertical position in pixels
343 * \param length duration of the note in beats
344 * \param state the keyboard modifier mask for the canvas event (click).
345 * \param shift_snap true alters snap behavior to round down always (false if the gui has already done that).
347 void create_note_at (samplepos_t t, double y, Temporal::Beats length, uint32_t state, bool shift_snap);
349 /** An external request to clear the note selection, remove MRV from editor
352 void clear_selection ();
354 ARDOUR::InstrumentInfo& instrument_info() const;
356 void note_deleted (NoteBase*);
358 void show_verbose_cursor_for_new_note_value(boost::shared_ptr<NoteType> current_note,
359 uint8_t new_note) const;
362 void region_resized (const PBD::PropertyChange&);
364 void set_flags (XMLNode *);
367 void reset_width_dependent_items (double pixel_width);
369 void parameter_changed (std::string const & p);
373 friend class MidiRubberbandSelectDrag;
374 friend class MidiVerticalSelectDrag;
375 friend class NoteDrag;
376 friend class NoteCreateDrag;
377 friend class HitCreateDrag;
378 friend class MidiGhostRegion;
380 friend class EditNoteDialog;
382 /** Play the NoteOn event of the given note immediately
383 * and schedule the playback of the corresponding NoteOff event.
385 void play_midi_note (boost::shared_ptr<NoteType> note);
386 void start_playing_midi_note (boost::shared_ptr<NoteType> note);
387 void start_playing_midi_chord (std::vector<boost::shared_ptr<NoteType> > notes);
389 /** Clear the note selection of just this midi region
391 void clear_selection_internal ();
393 void clear_editor_note_selection ();
395 void clear_events ();
397 bool canvas_group_event(GdkEvent* ev);
398 bool note_canvas_event(GdkEvent* ev);
400 void midi_channel_mode_changed ();
401 PBD::ScopedConnection _channel_mode_changed_connection;
402 void instrument_settings_changed ();
403 PBD::ScopedConnection _instrument_changed_connection;
405 void change_note_channel (NoteBase *, int8_t, bool relative=false);
406 void change_note_velocity(NoteBase* ev, int8_t vel, bool relative=false);
407 void change_note_note(NoteBase* ev, int8_t note, bool relative=false);
408 void change_note_time(NoteBase* ev, ARDOUR::MidiModel::TimeType, bool relative=false);
409 void change_note_length (NoteBase *, ARDOUR::MidiModel::TimeType);
410 void trim_note(NoteBase* ev, ARDOUR::MidiModel::TimeType start_delta,
411 ARDOUR::MidiModel::TimeType end_delta);
413 void update_drag_selection (samplepos_t start, samplepos_t end, double y0, double y1, bool extend);
414 void update_vertical_drag_selection (double last_y, double y, bool extend);
416 void add_to_selection (NoteBase*);
417 void remove_from_selection (NoteBase*);
419 std::string get_note_name (boost::shared_ptr<NoteType> note, uint8_t note_value) const;
421 void show_verbose_cursor (std::string const &, double, double) const;
422 void show_verbose_cursor (boost::shared_ptr<NoteType>) const;
424 uint8_t get_velocity_for_add (ARDOUR::MidiModel::TimeType time) const;
426 uint8_t _current_range_min;
427 uint8_t _current_range_max;
429 typedef boost::unordered_map<boost::shared_ptr<NoteType>, NoteBase*> Events;
430 typedef boost::unordered_map<ARDOUR::MidiModel::PatchChangePtr, boost::shared_ptr<PatchChange> > PatchChanges;
431 typedef boost::unordered_map<ARDOUR::MidiModel::constSysExPtr, boost::shared_ptr<SysEx> > SysExes;
432 typedef std::vector<NoteBase*> CopyDragEvents;
434 ARDOUR::BeatsSamplesConverter _region_relative_time_converter;
435 ARDOUR::BeatsSamplesConverter _source_relative_time_converter;
436 ARDOUR::DoubleBeatsSamplesConverter _region_relative_time_converter_double;
438 boost::shared_ptr<ARDOUR::MidiModel> _model;
440 CopyDragEvents _copy_drag_events;
441 PatchChanges _patch_changes;
443 Note** _active_notes;
444 ArdourCanvas::Container* _note_group;
445 ARDOUR::MidiModel::NoteDiffCommand* _note_diff_command;
446 NoteBase* _ghost_note;
447 double _last_ghost_x;
448 double _last_ghost_y;
449 ArdourCanvas::Rectangle* _step_edit_cursor;
450 Temporal::Beats _step_edit_cursor_width;
451 Temporal::Beats _step_edit_cursor_position;
452 NoteBase* _channel_selection_scoped_note;
454 MouseState _mouse_state;
457 /** Currently selected NoteBase objects */
458 Selection _selection;
460 MidiCutBuffer* selection_as_cut_buffer () const;
462 /** New notes (created in the current command) which should be selected
463 * when they appear after the command is applied. */
464 std::set< boost::shared_ptr<NoteType> > _marked_for_selection;
466 /** Notes that should be selected when the model is redisplayed. */
467 std::set<Evoral::event_id_t> _pending_note_selection;
469 /** New notes (created in the current command) which should have visible velocity
470 * when they appear after the command is applied. */
471 std::set< boost::shared_ptr<NoteType> > _marked_for_velocity;
473 std::vector<NoteResizeData *> _resize_data;
475 /** connection used to connect to model's ContentChanged signal */
476 PBD::ScopedConnection content_connection;
478 NoteBase* find_canvas_note (boost::shared_ptr<NoteType>);
479 NoteBase* find_canvas_note (Evoral::event_id_t id);
480 Events::iterator _optimization_iterator;
482 boost::shared_ptr<PatchChange> find_canvas_patch_change (ARDOUR::MidiModel::PatchChangePtr p);
483 boost::shared_ptr<SysEx> find_canvas_sys_ex (ARDOUR::MidiModel::SysExPtr s);
485 void update_note (NoteBase*, bool update_ghost_regions = true);
486 void update_sustained (Note *, bool update_ghost_regions = true);
487 void update_hit (Hit *, bool update_ghost_regions = true);
489 void create_ghost_note (double, double, uint32_t state);
490 void update_ghost_note (double, double, uint32_t state);
492 MidiListEditor* _list_editor;
493 bool _no_sound_notes;
495 void snap_changed ();
496 PBD::ScopedConnection snap_changed_connection;
498 bool motion (GdkEventMotion*);
499 bool scroll (GdkEventScroll*);
500 bool key_press (GdkEventKey*);
501 bool key_release (GdkEventKey*);
502 bool button_press (GdkEventButton*);
503 bool button_release (GdkEventButton*);
504 bool enter_notify (GdkEventCrossing*);
505 bool leave_notify (GdkEventCrossing*);
507 void drop_down_keys ();
508 void maybe_select_by_position (GdkEventButton* ev, double x, double y);
509 void get_events (Events& e, Evoral::Sequence<Temporal::Beats>::NoteOperator op, uint8_t val, int chan_mask = 0);
511 void display_patch_changes_on_channel (uint8_t, bool);
513 void connect_to_diskstream ();
514 void data_recorded (boost::weak_ptr<ARDOUR::MidiSource>);
516 /** Get grid type as beats, or default to 1 if not snapped to beats. */
517 Temporal::Beats get_grid_beats(samplepos_t pos) const;
519 void remove_ghost_note ();
520 void mouse_mode_changed ();
521 void enter_internal (uint32_t state);
522 void leave_internal ();
523 void hide_verbose_cursor ();
525 samplecnt_t _last_display_zoom;
527 double _last_event_x;
528 double _last_event_y;
529 bool _grabbed_keyboard;
531 NoteBase* _entered_note;
533 bool _mouse_changed_selection;
535 Gtkmm2ext::Color _patch_change_outline;
536 Gtkmm2ext::Color _patch_change_fill;
538 Temporal::Beats snap_sample_to_grid_underneath (samplepos_t p, int32_t divisions, bool shift_snap) const;
540 PBD::ScopedConnection _mouse_mode_connection;
542 boost::shared_ptr<CursorContext> _press_cursor_ctx;
544 ARDOUR::ChannelMode get_channel_mode() const;
545 uint16_t get_selected_channels () const;
547 inline double contents_height() const { return (_height - TimeAxisViewItem::NAME_HIGHLIGHT_SIZE - 2); }
548 inline double contents_note_range () const { return (double)(_current_range_max - _current_range_min + 1); }
549 inline double note_height() const { return contents_height() / contents_note_range(); }
551 double note_to_y (uint8_t note) const;
552 uint8_t y_to_note (double y) const;
556 #endif /* __gtk_ardour_midi_region_view_h__ */