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::Beats> NoteType;
69 typedef Evoral::Sequence<Evoral::Beats>::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::Beats pos, Evoral::Beats len);
103 void step_sustain (Evoral::Beats 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 uint32_t get_fill_color() const;
110 void color_handler ();
112 void show_step_edit_cursor (Evoral::Beats pos);
113 void move_step_edit_cursor (Evoral::Beats pos);
114 void hide_step_edit_cursor ();
115 void set_step_edit_cursor_width (Evoral::Beats beats);
117 void redisplay_model();
119 GhostRegion* add_ghost (TimeAxisView&);
121 NoteBase* add_note(const boost::shared_ptr<NoteType> note, bool visible);
122 void resolve_note(uint8_t note_num, Evoral::Beats end_time);
124 void cut_copy_clear (Editing::CutCopyOp);
125 bool paste (framepos_t pos, const ::Selection& selection, PasteContext& ctx, const int32_t sub_num);
126 void paste_internal (framepos_t pos, unsigned paste_count, float times, const MidiCutBuffer&);
128 void add_canvas_patch_change (ARDOUR::MidiModel::PatchChangePtr patch, const std::string& displaytext, bool);
129 void remove_canvas_patch_change (PatchChange* pc);
131 /** Look up the given time and channel in the 'automation' and set keys accordingly.
132 * @param time the time of the patch change event
133 * @param channel the MIDI channel of the event
134 * @key a reference to an instance of MIDI::Name::PatchPrimaryKey whose fields will
135 * will be set according to the result of the lookup
137 void get_patch_key_at (Evoral::Beats time, uint8_t channel, MIDI::Name::PatchPrimaryKey& key) const;
139 /** Convert a given PatchChange into a PatchPrimaryKey
141 MIDI::Name::PatchPrimaryKey patch_change_to_patch_key (ARDOUR::MidiModel::PatchChangePtr);
143 /** Change old_patch to new_patch.
144 * @param old_patch the canvas patch change which is to be altered
145 * @param new_patch new patch
147 void change_patch_change (PatchChange& old_patch, const MIDI::Name::PatchPrimaryKey& new_patch);
148 void change_patch_change (ARDOUR::MidiModel::PatchChangePtr, Evoral::PatchChange<Evoral::Beats> const &);
150 void add_patch_change (framecnt_t, Evoral::PatchChange<Evoral::Beats> const &);
151 void move_patch_change (PatchChange &, Evoral::Beats);
152 void delete_patch_change (PatchChange *);
153 void edit_patch_change (PatchChange *);
155 void delete_sysex (SysEx*);
157 /** Change a patch to the next or previous bank/program.
158 * @param bank If true, step bank, otherwise, step program.
159 * @param delta Amount to adjust number.
161 void step_patch (PatchChange& patch, bool bank, int delta);
163 /** Displays all patch change events in the region as flags on the canvas.
165 void display_patch_changes();
167 /** Displays all system exclusive events in the region as flags on the canvas.
169 void display_sysexes();
173 void extend_active_notes();
175 void display_model(boost::shared_ptr<ARDOUR::MidiModel> model);
177 void start_note_diff_command (std::string name = "midi edit");
178 void note_diff_add_change (NoteBase* ev, ARDOUR::MidiModel::NoteDiffCommand::Property, uint8_t val);
179 void note_diff_add_change (NoteBase* ev, ARDOUR::MidiModel::NoteDiffCommand::Property, Evoral::Beats val);
180 void note_diff_add_note (const boost::shared_ptr<NoteType> note, bool selected, bool show_velocity = false);
181 void note_diff_remove_note (NoteBase* ev);
183 void apply_diff (bool as_subcommand = false);
184 void abort_command();
186 void note_entered(NoteBase* ev);
187 void note_left(NoteBase* ev);
188 void patch_entered (PatchChange *);
189 void patch_left (PatchChange *);
190 void sysex_entered (SysEx* p);
191 void sysex_left (SysEx* p);
192 void note_mouse_position (float xfraction, float yfraction, bool can_set_cursor=true);
193 void unique_select(NoteBase* ev);
194 void note_selected(NoteBase* ev, bool add, bool extend=false);
195 void note_deselected(NoteBase* ev);
196 void delete_selection();
197 void delete_note (boost::shared_ptr<NoteType>);
198 size_t selection_size() { return _selection.size(); }
199 void select_all_notes ();
200 void select_range(framepos_t start, framepos_t end);
201 void invert_selection ();
203 void move_selection(double dx, double dy, double cumulative_dy);
204 void note_dropped (NoteBase* ev, ARDOUR::frameoffset_t, int8_t d_note);
206 void select_notes (std::list<Evoral::event_id_t>);
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* primary, bool at_front, double delta_x, bool relative, double snap_delta, bool with_snap);
228 void commit_resizing (NoteBase* primary, bool at_front, double delat_x, bool relative, double snap_delta, bool with_snap);
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 struct NoteResizeData {
249 ArdourCanvas::Rectangle *resize_rect;
252 /** Snap a region relative pixel coordinate to pixel units.
253 * @param x a pixel coordinate relative to region start
254 * @param ensure_snap do not use magnetic snap (required for snap delta calculation)
255 * @return the snapped pixel coordinate relative to region start
257 double snap_to_pixel(double x, bool ensure_snap = false);
259 /** Snap a region relative pixel coordinate to frame units.
260 * @param x a pixel coordinate relative to region start
261 * @param ensure_snap ignore SnapOff and magnetic snap.
262 * Required for inverting snap logic with modifier keys and snap delta calculation.
263 * @return the snapped framepos_t coordinate relative to region start
265 framepos_t snap_pixel_to_sample(double x, bool ensure_snap = false);
267 /** Convert a timestamp in beats into frames (both relative to region position) */
268 framepos_t region_beats_to_region_frames(Evoral::Beats beats) const;
269 /** Convert a timestamp in beats into absolute frames */
270 framepos_t region_beats_to_absolute_frames(Evoral::Beats beats) const {
271 return _region->position() + region_beats_to_region_frames (beats);
273 /** Convert a timestamp in frames to beats (both relative to region position) */
274 Evoral::Beats region_frames_to_region_beats(framepos_t) const;
275 double region_frames_to_region_beats_double(framepos_t) const;
277 /** Convert a timestamp in beats measured from source start into absolute frames */
278 framepos_t source_beats_to_absolute_frames(Evoral::Beats beats) const;
279 /** Convert a timestamp in beats measured from source start into region-relative frames */
280 framepos_t source_beats_to_region_frames(Evoral::Beats beats) const {
281 return source_beats_to_absolute_frames (beats) - _region->position();
283 /** Convert a timestamp in absolute frames to beats measured from source start*/
284 Evoral::Beats absolute_frames_to_source_beats(framepos_t) const;
286 ARDOUR::BeatsFramesConverter const & region_relative_time_converter () const {
287 return _region_relative_time_converter;
290 ARDOUR::BeatsFramesConverter const & source_relative_time_converter () const {
291 return _source_relative_time_converter;
294 ARDOUR::DoubleBeatsFramesConverter const & region_relative_time_converter_double () const {
295 return _region_relative_time_converter_double;
298 void goto_previous_note (bool add_to_selection);
299 void goto_next_note (bool add_to_selection);
300 void change_note_lengths (bool, bool, Evoral::Beats beats, bool start, bool end);
301 void change_velocities (bool up, bool fine, bool allow_smush, bool all_together);
302 void transpose (bool up, bool fine, bool allow_smush);
303 void nudge_notes (bool forward, bool fine);
304 void channel_edit ();
305 void velocity_edit ();
307 void show_list_editor ();
309 typedef std::set<NoteBase*> Selection;
310 Selection selection () const {
314 void selection_as_notelist (Notes& selected, bool allow_all_if_none_selected = false);
316 void enable_display (bool);
318 void set_channel_selector_scoped_note(NoteBase* note){ _channel_selection_scoped_note = note; }
319 NoteBase* channel_selector_scoped_note(){ return _channel_selection_scoped_note; }
321 void trim_front_starting ();
322 void trim_front_ending ();
324 /** Add a note to the model, and the view, at a canvas (click) coordinate.
325 * \param t time in frames relative to the position of the region
326 * \param y vertical position in pixels
327 * \param length duration of the note in beats
328 * \param state the keyboard modifier mask for the canvas event (click).
329 * \param shift_snap true alters snap behavior to round down always (false if the gui has already done that).
331 void create_note_at (framepos_t t, double y, Evoral::Beats length, uint32_t state, bool shift_snap);
333 /** An external request to clear the note selection, remove MRV from editor
336 void clear_selection ();
338 ARDOUR::InstrumentInfo& instrument_info() const;
340 void note_deleted (NoteBase*);
342 void show_verbose_cursor_for_new_note_value(boost::shared_ptr<NoteType> current_note,
343 uint8_t new_note) const;
346 void region_resized (const PBD::PropertyChange&);
348 void set_flags (XMLNode *);
351 void reset_width_dependent_items (double pixel_width);
353 void parameter_changed (std::string const & p);
357 friend class MidiRubberbandSelectDrag;
358 friend class MidiVerticalSelectDrag;
359 friend class NoteDrag;
360 friend class NoteCreateDrag;
361 friend class HitCreateDrag;
363 friend class EditNoteDialog;
365 /** Play the NoteOn event of the given note immediately
366 * and schedule the playback of the corresponding NoteOff event.
368 void play_midi_note (boost::shared_ptr<NoteType> note);
369 void start_playing_midi_note (boost::shared_ptr<NoteType> note);
370 void start_playing_midi_chord (std::vector<boost::shared_ptr<NoteType> > notes);
372 /** Clear the note selection of just this midi region
374 void clear_selection_internal ();
376 void clear_editor_note_selection ();
378 void clear_events ();
380 bool canvas_group_event(GdkEvent* ev);
381 bool note_canvas_event(GdkEvent* ev);
383 void midi_channel_mode_changed ();
384 PBD::ScopedConnection _channel_mode_changed_connection;
385 void instrument_settings_changed ();
386 PBD::ScopedConnection _instrument_changed_connection;
388 void change_note_channel (NoteBase *, int8_t, bool relative=false);
389 void change_note_velocity(NoteBase* ev, int8_t vel, bool relative=false);
390 void change_note_note(NoteBase* ev, int8_t note, bool relative=false);
391 void change_note_time(NoteBase* ev, ARDOUR::MidiModel::TimeType, bool relative=false);
392 void change_note_length (NoteBase *, ARDOUR::MidiModel::TimeType);
393 void trim_note(NoteBase* ev, ARDOUR::MidiModel::TimeType start_delta,
394 ARDOUR::MidiModel::TimeType end_delta);
396 void update_drag_selection (framepos_t start, framepos_t end, double y0, double y1, bool extend);
397 void update_vertical_drag_selection (double last_y, double y, bool extend);
399 void add_to_selection (NoteBase*);
400 void remove_from_selection (NoteBase*);
402 std::string get_note_name (boost::shared_ptr<NoteType> note, uint8_t note_value) const;
404 void show_verbose_cursor (std::string const &, double, double) const;
405 void show_verbose_cursor (boost::shared_ptr<NoteType>) const;
407 uint8_t get_velocity_for_add (ARDOUR::MidiModel::TimeType time) const;
409 uint8_t _current_range_min;
410 uint8_t _current_range_max;
412 typedef std::list<NoteBase*> Events;
413 typedef std::vector< boost::shared_ptr<PatchChange> > PatchChanges;
414 typedef std::vector< boost::shared_ptr<SysEx> > SysExes;
416 ARDOUR::BeatsFramesConverter _region_relative_time_converter;
417 ARDOUR::BeatsFramesConverter _source_relative_time_converter;
418 ARDOUR::DoubleBeatsFramesConverter _region_relative_time_converter_double;
420 boost::shared_ptr<ARDOUR::MidiModel> _model;
422 PatchChanges _patch_changes;
424 Note** _active_notes;
425 ArdourCanvas::Container* _note_group;
426 ARDOUR::MidiModel::NoteDiffCommand* _note_diff_command;
427 NoteBase* _ghost_note;
428 double _last_ghost_x;
429 double _last_ghost_y;
430 ArdourCanvas::Rectangle* _step_edit_cursor;
431 Evoral::Beats _step_edit_cursor_width;
432 Evoral::Beats _step_edit_cursor_position;
433 NoteBase* _channel_selection_scoped_note;
435 MouseState _mouse_state;
438 /** Currently selected NoteBase objects */
439 Selection _selection;
442 void time_sort_events ();
444 MidiCutBuffer* selection_as_cut_buffer () const;
446 /** New notes (created in the current command) which should be selected
447 * when they appear after the command is applied. */
448 std::set< boost::shared_ptr<NoteType> > _marked_for_selection;
450 /** Notes that should be selected when the model is redisplayed. */
451 std::set<Evoral::event_id_t> _pending_note_selection;
453 /** New notes (created in the current command) which should have visible velocity
454 * when they appear after the command is applied. */
455 std::set< boost::shared_ptr<NoteType> > _marked_for_velocity;
457 std::vector<NoteResizeData *> _resize_data;
459 /** connection used to connect to model's ContentChanged signal */
460 PBD::ScopedConnection content_connection;
462 NoteBase* find_canvas_note (boost::shared_ptr<NoteType>);
463 NoteBase* find_canvas_note (Evoral::event_id_t id);
464 Events::iterator _optimization_iterator;
466 boost::shared_ptr<PatchChange> find_canvas_patch_change (ARDOUR::MidiModel::PatchChangePtr p);
468 void update_note (NoteBase*, bool update_ghost_regions = true);
469 void update_sustained (Note *, bool update_ghost_regions = true);
470 void update_hit (Hit *, bool update_ghost_regions = true);
472 void create_ghost_note (double, double, uint32_t state);
473 void update_ghost_note (double, double, uint32_t state);
475 MidiListEditor* _list_editor;
476 bool _no_sound_notes;
478 void snap_changed ();
479 PBD::ScopedConnection snap_changed_connection;
481 bool motion (GdkEventMotion*);
482 bool scroll (GdkEventScroll*);
483 bool key_press (GdkEventKey*);
484 bool key_release (GdkEventKey*);
485 bool button_press (GdkEventButton*);
486 bool button_release (GdkEventButton*);
487 bool enter_notify (GdkEventCrossing*);
488 bool leave_notify (GdkEventCrossing*);
490 void drop_down_keys ();
491 void maybe_select_by_position (GdkEventButton* ev, double x, double y);
492 void get_events (Events& e, Evoral::Sequence<Evoral::Beats>::NoteOperator op, uint8_t val, int chan_mask = 0);
494 void display_patch_changes_on_channel (uint8_t, bool);
496 void connect_to_diskstream ();
497 void data_recorded (boost::weak_ptr<ARDOUR::MidiSource>);
499 /** Get grid type as beats, or default to 1 if not snapped to beats. */
500 Evoral::Beats get_grid_beats(framepos_t pos) const;
502 void remove_ghost_note ();
503 void mouse_mode_changed ();
504 void enter_internal (uint32_t state);
505 void leave_internal ();
506 void hide_verbose_cursor ();
508 framecnt_t _last_display_zoom;
510 double _last_event_x;
511 double _last_event_y;
512 bool _grabbed_keyboard;
514 NoteBase* _entered_note;
516 bool _mouse_changed_selection;
518 ArdourCanvas::Color _patch_change_outline;
519 ArdourCanvas::Color _patch_change_fill;
521 Evoral::Beats snap_frame_to_grid_underneath (framepos_t p, int32_t divisions, bool shift_snap) const;
523 PBD::ScopedConnection _mouse_mode_connection;
525 boost::shared_ptr<CursorContext> _press_cursor_ctx;
527 ARDOUR::ChannelMode get_channel_mode() const;
528 uint16_t get_selected_channels () const;
530 inline double contents_height() const { return (_height - TimeAxisViewItem::NAME_HIGHLIGHT_SIZE - 2); }
531 inline double contents_note_range () const { return (double)(_current_range_max - _current_range_min + 1); }
532 inline double note_height() const { return contents_height() / contents_note_range(); }
534 double note_to_y (uint8_t note) const;
535 uint8_t y_to_note (double y) const;
539 #endif /* __gtk_ardour_midi_region_view_h__ */