2 Copyright (C) 2001-2011 Paul Davis
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
19 #ifndef __gtk_ardour_midi_region_view_h__
20 #define __gtk_ardour_midi_region_view_h__
26 #include "pbd/signals.h"
28 #include "ardour/midi_model.h"
29 #include "ardour/types.h"
32 #include "region_view.h"
33 #include "midi_time_axis.h"
34 #include "time_axis_view_item.h"
35 #include "automation_line.h"
46 struct PatchPrimaryKey;
54 class MidiTimeAxisView;
56 class AutomationTimeAxisView;
57 class AutomationRegionView;
65 class MidiRegionView : public RegionView
68 typedef Evoral::Note<Evoral::MusicalTime> NoteType;
69 typedef Evoral::Sequence<Evoral::MusicalTime>::Notes Notes;
71 MidiRegionView (ArdourCanvas::Container* parent,
72 RouteTimeAxisView& tv,
73 boost::shared_ptr<ARDOUR::MidiRegion> r,
74 double samples_per_pixel,
75 uint32_t basic_color);
77 MidiRegionView (ArdourCanvas::Container* parent,
78 RouteTimeAxisView& tv,
79 boost::shared_ptr<ARDOUR::MidiRegion> r,
80 double samples_per_pixel,
83 Visibility visibility);
86 MidiRegionView (const MidiRegionView& other);
87 MidiRegionView (const MidiRegionView& other, boost::shared_ptr<ARDOUR::MidiRegion>);
93 const boost::shared_ptr<ARDOUR::MidiRegion> midi_region() const;
95 inline MidiTimeAxisView* midi_view() const
96 { return dynamic_cast<MidiTimeAxisView*>(&trackview); }
98 inline MidiStreamView* midi_stream_view() const
99 { return midi_view()->midi_view(); }
101 void step_add_note (uint8_t channel, uint8_t number, uint8_t velocity,
102 Evoral::MusicalTime pos, Evoral::MusicalTime len);
103 void step_sustain (Evoral::MusicalTime beats);
104 void set_height (double);
105 void apply_note_range(uint8_t lowest, uint8_t highest, bool force=false);
107 inline ARDOUR::ColorMode color_mode() const { return midi_view()->color_mode(); }
109 void set_frame_color();
110 void color_handler ();
112 uint32_t fill_opacity() const;
114 void show_step_edit_cursor (Evoral::MusicalTime pos);
115 void move_step_edit_cursor (Evoral::MusicalTime pos);
116 void hide_step_edit_cursor ();
117 void set_step_edit_cursor_width (Evoral::MusicalTime beats);
119 void redisplay_model();
121 GhostRegion* add_ghost (TimeAxisView&);
123 void add_note(const boost::shared_ptr<NoteType> note, bool visible);
124 void resolve_note(uint8_t note_num, Evoral::MusicalTime end_time);
126 void cut_copy_clear (Editing::CutCopyOp);
127 bool paste (framepos_t pos, const ::Selection& selection, PasteContext& ctx);
128 void paste_internal (framepos_t pos, unsigned paste_count, float times, const MidiCutBuffer&);
130 void add_canvas_patch_change (ARDOUR::MidiModel::PatchChangePtr patch, const std::string& displaytext, bool);
132 /** Look up the given time and channel in the 'automation' and set keys accordingly.
133 * @param time the time of the patch change event
134 * @param channel the MIDI channel of the event
135 * @key a reference to an instance of MIDI::Name::PatchPrimaryKey whose fields will
136 * will be set according to the result of the lookup
138 void get_patch_key_at (Evoral::MusicalTime time, uint8_t channel, MIDI::Name::PatchPrimaryKey& key) const;
140 /** Convert a given PatchChange into a PatchPrimaryKey
142 MIDI::Name::PatchPrimaryKey patch_change_to_patch_key (ARDOUR::MidiModel::PatchChangePtr);
144 /** Change old_patch to new_patch.
145 * @param old_patch the canvas patch change which is to be altered
146 * @param new_patch new patch
148 void change_patch_change (PatchChange& old_patch, const MIDI::Name::PatchPrimaryKey& new_patch);
149 void change_patch_change (ARDOUR::MidiModel::PatchChangePtr, Evoral::PatchChange<Evoral::MusicalTime> const &);
151 void add_patch_change (framecnt_t, Evoral::PatchChange<Evoral::MusicalTime> const &);
152 void move_patch_change (PatchChange &, Evoral::MusicalTime);
153 void delete_patch_change (PatchChange *);
154 void edit_patch_change (PatchChange *);
156 void delete_sysex (SysEx*);
158 /** Change a patch to the next or previous bank/program.
159 * @param bank If true, step bank, otherwise, step program.
160 * @param delta Amount to adjust number.
162 void step_patch (PatchChange& patch, bool bank, int delta);
164 /** Displays all patch change events in the region as flags on the canvas.
166 void display_patch_changes();
168 /** Displays all system exclusive events in the region as flags on the canvas.
170 void display_sysexes();
174 void extend_active_notes();
176 void display_model(boost::shared_ptr<ARDOUR::MidiModel> model);
178 void start_note_diff_command (std::string name = "midi edit");
179 void note_diff_add_change (NoteBase* ev, ARDOUR::MidiModel::NoteDiffCommand::Property, uint8_t val);
180 void note_diff_add_change (NoteBase* ev, ARDOUR::MidiModel::NoteDiffCommand::Property, Evoral::MusicalTime val);
181 void note_diff_add_note (const boost::shared_ptr<NoteType> note, bool selected, bool show_velocity = false);
182 void note_diff_remove_note (NoteBase* ev);
184 void apply_diff (bool as_subcommand = false);
185 void abort_command();
187 void note_entered(NoteBase* ev);
188 void note_left(NoteBase* ev);
189 void patch_entered (PatchChange *);
190 void patch_left (PatchChange *);
191 void sysex_entered (SysEx* p);
192 void sysex_left (SysEx* p);
193 void note_mouse_position (float xfraction, float yfraction, bool can_set_cursor=true);
194 void unique_select(NoteBase* ev);
195 void note_selected(NoteBase* ev, bool add, bool extend=false);
196 void note_deselected(NoteBase* ev);
197 void delete_selection();
198 void delete_note (boost::shared_ptr<NoteType>);
199 size_t selection_size() { return _selection.size(); }
200 void select_all_notes ();
201 void select_range(framepos_t start, framepos_t end);
202 void invert_selection ();
204 void move_selection(double dx, double dy, double cumulative_dy);
205 void note_dropped (NoteBase* ev, ARDOUR::frameoffset_t, int8_t d_note);
207 void select_matching_notes (uint8_t notenum, uint16_t channel_mask, bool add, bool extend);
208 void toggle_matching_notes (uint8_t notenum, uint16_t channel_mask);
210 /** Return true iff the note is within the extent of the region.
211 * @param visible will be set to true if the note is within the visible note range, false otherwise.
213 bool note_in_region_range(const boost::shared_ptr<NoteType> note, bool& visible) const;
215 /** Get the region position in pixels relative to session. */
216 double get_position_pixels();
218 /** Get the region end position in pixels relative to session. */
219 double get_end_position_pixels();
221 /** Begin resizing of some notes.
222 * Called by CanvasMidiNote when resizing starts.
223 * @param at_front which end of the note (true == note on, false == note off)
225 void begin_resizing(bool at_front);
227 void update_resizing (NoteBase*, bool, double, bool);
228 void commit_resizing (NoteBase*, bool, double, bool);
229 void abort_resizing ();
231 /** Change the channel of the selection.
232 * @param channel - the channel number of the new channel, zero-based
234 void change_channel(uint8_t channel);
241 SelectVerticalDragging,
245 MouseState mouse_state() const { return _mouse_state; }
247 void note_button_release ();
249 struct NoteResizeData {
251 ArdourCanvas::Rectangle *resize_rect;
254 /** Snap a region relative pixel coordinate to pixel units.
255 * @param x a pixel coordinate relative to region start
256 * @return the snapped pixel coordinate relative to region start
258 double snap_to_pixel(double x);
260 /** Snap a region relative pixel coordinate to frame units.
261 * @param x a pixel coordinate relative to region start
262 * @return the snapped framepos_t coordinate relative to region start
264 framepos_t snap_pixel_to_sample(double x);
266 /** Convert a timestamp in beats into frames (both relative to region position) */
267 framepos_t region_beats_to_region_frames(Evoral::MusicalTime beats) const;
268 /** Convert a timestamp in beats into absolute frames */
269 framepos_t region_beats_to_absolute_frames(Evoral::MusicalTime beats) const {
270 return _region->position() + region_beats_to_region_frames (beats);
272 /** Convert a timestamp in frames to beats (both relative to region position) */
273 Evoral::MusicalTime region_frames_to_region_beats(framepos_t) const;
275 /** Convert a timestamp in beats measured from source start into absolute frames */
276 framepos_t source_beats_to_absolute_frames(Evoral::MusicalTime beats) const;
277 /** Convert a timestamp in beats measured from source start into region-relative frames */
278 framepos_t source_beats_to_region_frames(Evoral::MusicalTime beats) const {
279 return source_beats_to_absolute_frames (beats) - _region->position();
281 /** Convert a timestamp in absolute frames to beats measured from source start*/
282 Evoral::MusicalTime absolute_frames_to_source_beats(framepos_t) const;
284 ARDOUR::BeatsFramesConverter const & region_relative_time_converter () const {
285 return _region_relative_time_converter;
288 ARDOUR::BeatsFramesConverter const & source_relative_time_converter () const {
289 return _source_relative_time_converter;
292 void goto_previous_note (bool add_to_selection);
293 void goto_next_note (bool add_to_selection);
294 void change_note_lengths (bool, bool, Evoral::MusicalTime beats, bool start, bool end);
295 void change_velocities (bool up, bool fine, bool allow_smush, bool all_together);
296 void transpose (bool up, bool fine, bool allow_smush);
297 void nudge_notes (bool forward, bool fine);
298 void channel_edit ();
299 void velocity_edit ();
301 void show_list_editor ();
303 typedef std::set<NoteBase*> Selection;
304 Selection selection () const {
308 void selection_as_notelist (Notes& selected, bool allow_all_if_none_selected = false);
310 void enable_display (bool);
312 void set_channel_selector_scoped_note(NoteBase* note){ _channel_selection_scoped_note = note; }
313 NoteBase* channel_selector_scoped_note(){ return _channel_selection_scoped_note; }
315 void trim_front_starting ();
316 void trim_front_ending ();
318 /** Add a note to the model, and the view, at a canvas (click) coordinate.
319 * \param t time in frames relative to the position of the region
320 * \param y vertical position in pixels
321 * \param length duration of the note in beats
322 * \param snap_t true to snap t to the grid, otherwise false.
324 void create_note_at (framepos_t t, double y, Evoral::MusicalTime length, bool snap_t);
326 void clear_selection (bool signal = true) { clear_selection_except (0, signal); }
328 ARDOUR::InstrumentInfo& instrument_info() const;
331 void region_resized (const PBD::PropertyChange&);
333 void set_flags (XMLNode *);
336 void reset_width_dependent_items (double pixel_width);
338 void parameter_changed (std::string const & p);
342 friend class MidiRubberbandSelectDrag;
343 friend class MidiVerticalSelectDrag;
345 /** Emitted when the selection has been cleared in one MidiRegionView,
346 * with the expectation that others will clear their selections in
349 static PBD::Signal1<void, MidiRegionView*> SelectionCleared;
350 PBD::ScopedConnection _selection_cleared_connection;
351 void selection_cleared (MidiRegionView *);
353 /** this handles the case when the "external" world wants us to clear our internal selections
355 PBD::ScopedConnection _clear_midi_selection_connection;
356 void clear_midi_selection () { clear_selection(); }
358 friend class EditNoteDialog;
360 /** Play the NoteOn event of the given note immediately
361 * and schedule the playback of the corresponding NoteOff event.
363 void play_midi_note (boost::shared_ptr<NoteType> note);
364 void start_playing_midi_note (boost::shared_ptr<NoteType> note);
365 void start_playing_midi_chord (std::vector<boost::shared_ptr<NoteType> > notes);
367 void clear_events (bool with_selection_signal = true);
369 bool canvas_group_event(GdkEvent* ev);
370 bool note_canvas_event(GdkEvent* ev);
372 void midi_channel_mode_changed ();
373 PBD::ScopedConnection _channel_mode_changed_connection;
374 void instrument_settings_changed ();
375 PBD::ScopedConnection _instrument_changed_connection;
377 void change_note_channel (NoteBase *, int8_t, bool relative=false);
378 void change_note_velocity(NoteBase* ev, int8_t vel, bool relative=false);
379 void change_note_note(NoteBase* ev, int8_t note, bool relative=false);
380 void change_note_time(NoteBase* ev, ARDOUR::MidiModel::TimeType, bool relative=false);
381 void change_note_length (NoteBase *, ARDOUR::MidiModel::TimeType);
382 void trim_note(NoteBase* ev, ARDOUR::MidiModel::TimeType start_delta,
383 ARDOUR::MidiModel::TimeType end_delta);
385 void clear_selection_except (NoteBase* ev, bool signal = true);
386 void update_drag_selection (framepos_t start, framepos_t end, double y0, double y1, bool extend);
387 void update_vertical_drag_selection (double last_y, double y, bool extend);
389 void add_to_selection (NoteBase*);
390 void remove_from_selection (NoteBase*);
392 void show_verbose_cursor (std::string const &, double, double) const;
393 void show_verbose_cursor (boost::shared_ptr<NoteType>) const;
395 uint8_t _current_range_min;
396 uint8_t _current_range_max;
398 typedef std::list<NoteBase*> Events;
399 typedef std::vector< boost::shared_ptr<PatchChange> > PatchChanges;
400 typedef std::vector< boost::shared_ptr<SysEx> > SysExes;
402 ARDOUR::BeatsFramesConverter _region_relative_time_converter;
403 ARDOUR::BeatsFramesConverter _source_relative_time_converter;
405 boost::shared_ptr<ARDOUR::MidiModel> _model;
407 PatchChanges _patch_changes;
409 Note** _active_notes;
410 ArdourCanvas::Container* _note_group;
411 ARDOUR::MidiModel::NoteDiffCommand* _note_diff_command;
413 double _last_ghost_x;
414 double _last_ghost_y;
415 ArdourCanvas::Rectangle* _step_edit_cursor;
416 Evoral::MusicalTime _step_edit_cursor_width;
417 Evoral::MusicalTime _step_edit_cursor_position;
418 NoteBase* _channel_selection_scoped_note;
420 /** A group used to temporarily reparent _note_group to during start trims, so
421 * that the notes don't move with the parent region view.
423 ArdourCanvas::Container* _temporary_note_group;
425 MouseState _mouse_state;
428 /** Currently selected NoteBase objects */
429 Selection _selection;
432 void time_sort_events ();
434 MidiCutBuffer* selection_as_cut_buffer () const;
436 /** New notes (created in the current command) which should be selected
437 * when they appear after the command is applied. */
438 std::set< boost::shared_ptr<NoteType> > _marked_for_selection;
440 /** New notes (created in the current command) which should have visible velocity
441 * when they appear after the command is applied. */
442 std::set< boost::shared_ptr<NoteType> > _marked_for_velocity;
444 std::vector<NoteResizeData *> _resize_data;
446 /** connection used to connect to model's ContentChanged signal */
447 PBD::ScopedConnection content_connection;
449 NoteBase* find_canvas_note (boost::shared_ptr<NoteType>);
450 Events::iterator _optimization_iterator;
452 void update_note (Note *, bool update_ghost_regions = true);
453 void update_hit (Hit *);
454 void create_ghost_note (double, double);
455 void update_ghost_note (double, double);
457 MidiListEditor* _list_editor;
458 bool _no_sound_notes;
460 PBD::ScopedConnection note_delete_connection;
461 void maybe_remove_deleted_note_from_selection (NoteBase*);
463 void snap_changed ();
464 PBD::ScopedConnection snap_changed_connection;
466 bool motion (GdkEventMotion*);
467 bool scroll (GdkEventScroll*);
468 bool key_press (GdkEventKey*);
469 bool key_release (GdkEventKey*);
470 bool button_press (GdkEventButton*);
471 bool button_release (GdkEventButton*);
472 bool enter_notify (GdkEventCrossing*);
473 bool leave_notify (GdkEventCrossing*);
475 void drop_down_keys ();
476 void maybe_select_by_position (GdkEventButton* ev, double x, double y);
477 void get_events (Events& e, Evoral::Sequence<Evoral::MusicalTime>::NoteOperator op, uint8_t val, int chan_mask = 0);
479 void display_patch_changes_on_channel (uint8_t, bool);
481 void connect_to_diskstream ();
482 void data_recorded (boost::weak_ptr<ARDOUR::MidiSource>);
484 /** Get grid type as beats, or default to 1 if not snapped to beats. */
485 Evoral::MusicalTime get_grid_beats(framepos_t pos) const;
487 void remove_ghost_note ();
488 void mouse_mode_changed ();
489 void enter_internal ();
490 void leave_internal ();
492 double _last_event_x;
493 double _last_event_y;
494 bool _grabbed_keyboard;
497 framepos_t snap_frame_to_grid_underneath (framepos_t p, framecnt_t &) const;
499 PBD::ScopedConnection _mouse_mode_connection;
501 Gdk::Cursor* pre_enter_cursor;
502 Gdk::Cursor* pre_press_cursor;
503 Gdk::Cursor* pre_note_enter_cursor;
505 NotePlayer* _note_player;
507 ARDOUR::ChannelMode get_channel_mode() const;
508 uint16_t get_selected_channels () const;
512 #endif /* __gtk_ardour_midi_region_view_h__ */