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;
63 class MidiRegionView : public RegionView
66 typedef Evoral::Note<Evoral::MusicalTime> NoteType;
67 typedef Evoral::Sequence<Evoral::MusicalTime>::Notes Notes;
69 MidiRegionView (ArdourCanvas::Group *,
71 boost::shared_ptr<ARDOUR::MidiRegion>,
72 double initial_frames_per_pixel,
73 Gdk::Color const & basic_color);
75 MidiRegionView (const MidiRegionView& other);
76 MidiRegionView (const MidiRegionView& other, boost::shared_ptr<ARDOUR::MidiRegion>);
80 virtual void init (Gdk::Color const & basic_color, bool wfd);
82 const boost::shared_ptr<ARDOUR::MidiRegion> midi_region() const;
84 inline MidiTimeAxisView* midi_view() const
85 { return dynamic_cast<MidiTimeAxisView*>(&trackview); }
87 inline MidiStreamView* midi_stream_view() const
88 { return midi_view()->midi_view(); }
90 void step_add_note (uint8_t channel, uint8_t number, uint8_t velocity,
91 Evoral::MusicalTime pos, Evoral::MusicalTime len);
92 void step_sustain (Evoral::MusicalTime beats);
93 void set_height (double);
94 void apply_note_range(uint8_t lowest, uint8_t highest, bool force=false);
96 inline ARDOUR::ColorMode color_mode() const { return midi_view()->color_mode(); }
98 void set_frame_color();
99 void color_handler ();
101 void show_step_edit_cursor (Evoral::MusicalTime pos);
102 void move_step_edit_cursor (Evoral::MusicalTime pos);
103 void hide_step_edit_cursor ();
104 void set_step_edit_cursor_width (Evoral::MusicalTime beats);
106 void redisplay_model();
108 GhostRegion* add_ghost (TimeAxisView&);
110 void add_note(const boost::shared_ptr<NoteType> note, bool visible);
111 void resolve_note(uint8_t note_num, double end_time);
113 void cut_copy_clear (Editing::CutCopyOp);
114 void paste (framepos_t pos, float times, const MidiCutBuffer&);
116 void add_canvas_patch_change (ARDOUR::MidiModel::PatchChangePtr patch, const std::string& displaytext, bool);
118 /** Look up the given time and channel in the 'automation' and set keys accordingly.
119 * @param time the time of the patch change event
120 * @param channel the MIDI channel of the event
121 * @key a reference to an instance of MIDI::Name::PatchPrimaryKey whose fields will
122 * will be set according to the result of the lookup
124 void get_patch_key_at (double time, uint8_t channel, MIDI::Name::PatchPrimaryKey& key) const;
126 /** Convert a given PatchChange into a PatchPrimaryKey
128 MIDI::Name::PatchPrimaryKey patch_change_to_patch_key (ARDOUR::MidiModel::PatchChangePtr);
130 /** Change old_patch to new_patch.
131 * @param old_patch the canvas patch change which is to be altered
132 * @param new_patch new patch
134 void change_patch_change (PatchChange& old_patch, const MIDI::Name::PatchPrimaryKey& new_patch);
135 void change_patch_change (ARDOUR::MidiModel::PatchChangePtr, Evoral::PatchChange<Evoral::MusicalTime> const &);
137 void add_patch_change (framecnt_t, Evoral::PatchChange<Evoral::MusicalTime> const &);
138 void move_patch_change (PatchChange &, Evoral::MusicalTime);
139 void delete_patch_change (PatchChange *);
140 void edit_patch_change (PatchChange *);
142 void delete_sysex (ArdourCanvas::CanvasSysEx*);
144 /** Alter a given patch to be its predecessor in the MIDNAM file.
146 void previous_patch (PatchChange &);
148 /** Alters a given patch to be its successor in the MIDNAM file.
150 void next_patch (PatchChange &);
152 void previous_bank (PatchChange &);
153 void next_bank (PatchChange &);
155 /** Displays all patch change events in the region as flags on the canvas.
157 void display_patch_changes();
159 /** Displays all system exclusive events in the region as flags on the canvas.
161 void display_sysexes();
165 void extend_active_notes();
167 void display_model(boost::shared_ptr<ARDOUR::MidiModel> model);
169 void start_note_diff_command (std::string name = "midi edit");
170 void note_diff_add_change (ArdourCanvas::CanvasNoteEvent* ev, ARDOUR::MidiModel::NoteDiffCommand::Property, uint8_t val);
171 void note_diff_add_change (ArdourCanvas::CanvasNoteEvent* ev, ARDOUR::MidiModel::NoteDiffCommand::Property, Evoral::MusicalTime val);
172 void note_diff_add_note (const boost::shared_ptr<NoteType> note, bool selected, bool show_velocity = false);
173 void note_diff_remove_note (ArdourCanvas::CanvasNoteEvent* ev);
175 void apply_diff (bool as_subcommand = false);
176 void abort_command();
178 void note_entered(ArdourCanvas::CanvasNoteEvent* ev);
179 void note_left(ArdourCanvas::CanvasNoteEvent* ev);
180 void patch_entered (PatchChange *);
181 void patch_left (PatchChange *);
182 void sysex_entered (ArdourCanvas::CanvasSysEx* p);
183 void sysex_left (ArdourCanvas::CanvasSysEx* p);
184 void note_mouse_position (float xfraction, float yfraction, bool can_set_cursor=true);
185 void unique_select(ArdourCanvas::CanvasNoteEvent* ev);
186 void note_selected(ArdourCanvas::CanvasNoteEvent* ev, bool add, bool extend=false);
187 void note_deselected(ArdourCanvas::CanvasNoteEvent* ev);
188 void delete_selection();
189 void delete_note (boost::shared_ptr<NoteType>);
190 size_t selection_size() { return _selection.size(); }
191 void select_all_notes ();
192 void select_range(framepos_t start, framepos_t end);
193 void invert_selection ();
195 void move_selection(double dx, double dy, double cumulative_dy);
196 void note_dropped (ArdourCanvas::CanvasNoteEvent* ev, ARDOUR::frameoffset_t, int8_t d_note);
198 void select_matching_notes (uint8_t notenum, uint16_t channel_mask, bool add, bool extend);
199 void toggle_matching_notes (uint8_t notenum, uint16_t channel_mask);
201 /** Return true iff the note is within the extent of the region.
202 * @param visible will be set to true if the note is within the visible note range, false otherwise.
204 bool note_in_region_range(const boost::shared_ptr<NoteType> note, bool& visible) const;
206 /** Get the region position in pixels relative to session. */
207 double get_position_pixels();
209 /** Get the region end position in pixels relative to session. */
210 double get_end_position_pixels();
212 /** Begin resizing of some notes.
213 * Called by CanvasMidiNote when resizing starts.
214 * @param at_front which end of the note (true == note on, false == note off)
216 void begin_resizing(bool at_front);
218 void update_resizing (ArdourCanvas::CanvasNoteEvent*, bool, double, bool);
219 void commit_resizing (ArdourCanvas::CanvasNoteEvent*, bool, double, bool);
220 void abort_resizing ();
222 /** Change the channel of the selection.
223 * @param channel - the channel number of the new channel, zero-based
225 void change_channel(uint8_t channel);
232 SelectVerticalDragging,
236 MouseState mouse_state() const { return _mouse_state; }
238 void note_button_release ();
240 struct NoteResizeData {
242 ArdourCanvas::Rectangle *resize_rect;
245 /** Snap a region relative pixel coordinate to pixel units.
246 * @param x a pixel coordinate relative to region start
247 * @return the snapped pixel coordinate relative to region start
249 double snap_to_pixel(double x);
251 /** Snap a region relative pixel coordinate to frame units.
252 * @param x a pixel coordinate relative to region start
253 * @return the snapped framepos_t coordinate relative to region start
255 framepos_t snap_pixel_to_frame(double x);
257 /** Convert a timestamp in beats into frames (both relative to region position) */
258 framepos_t region_beats_to_region_frames(double beats) const;
259 /** Convert a timestamp in beats into absolute frames */
260 framepos_t region_beats_to_absolute_frames(double beats) const {
261 return _region->position() + region_beats_to_region_frames (beats);
263 /** Convert a timestamp in frames to beats (both relative to region position) */
264 double region_frames_to_region_beats(framepos_t) const;
266 /** Convert a timestamp in beats measured from source start into absolute frames */
267 framepos_t source_beats_to_absolute_frames(double beats) const;
268 /** Convert a timestamp in beats measured from source start into region-relative frames */
269 framepos_t source_beats_to_region_frames(double beats) const {
270 return source_beats_to_absolute_frames (beats) - _region->position();
272 /** Convert a timestamp in absolute frames to beats measured from source start*/
273 double absolute_frames_to_source_beats(framepos_t) const;
275 void goto_previous_note (bool add_to_selection);
276 void goto_next_note (bool add_to_selection);
277 void change_note_lengths (bool, bool, Evoral::MusicalTime beats, bool start, bool end);
278 void change_velocities (bool up, bool fine, bool allow_smush, bool all_together);
279 void transpose (bool up, bool fine, bool allow_smush);
280 void nudge_notes (bool forward);
281 void channel_edit ();
282 void velocity_edit ();
284 void show_list_editor ();
286 typedef std::set<ArdourCanvas::CanvasNoteEvent*> Selection;
287 Selection selection () const {
291 void selection_as_notelist (Notes& selected, bool allow_all_if_none_selected = false);
293 void enable_display (bool);
295 void set_channel_selector_scoped_note(ArdourCanvas::CanvasNoteEvent* note){ _channel_selection_scoped_note = note; }
296 ArdourCanvas::CanvasNoteEvent* channel_selector_scoped_note(){ return _channel_selection_scoped_note; }
298 void trim_front_starting ();
299 void trim_front_ending ();
301 void create_note_at (framepos_t, double, double, bool);
303 void clear_selection (bool signal = true) { clear_selection_except (0, signal); }
305 ARDOUR::InstrumentInfo& instrument_info() const;
308 /** Allows derived types to specify their visibility requirements
309 * to the TimeAxisViewItem parent class.
311 MidiRegionView (ArdourCanvas::Group *,
313 boost::shared_ptr<ARDOUR::MidiRegion>,
314 double frames_per_pixel,
315 Gdk::Color& basic_color,
316 TimeAxisViewItem::Visibility);
318 void region_resized (const PBD::PropertyChange&);
320 void set_flags (XMLNode *);
323 void reset_width_dependent_items (double pixel_width);
325 void parameter_changed (std::string const & p);
329 friend class MidiRubberbandSelectDrag;
330 friend class MidiVerticalSelectDrag;
332 /** Emitted when the selection has been cleared in one MidiRegionView,
333 * with the expectation that others will clear their selections in
336 static PBD::Signal1<void, MidiRegionView*> SelectionCleared;
337 PBD::ScopedConnection _selection_cleared_connection;
338 void selection_cleared (MidiRegionView *);
340 friend class EditNoteDialog;
342 /** Play the NoteOn event of the given note immediately
343 * and schedule the playback of the corresponding NoteOff event.
345 void play_midi_note (boost::shared_ptr<NoteType> note);
346 void start_playing_midi_note (boost::shared_ptr<NoteType> note);
347 void start_playing_midi_chord (std::vector<boost::shared_ptr<NoteType> > notes);
349 void clear_events (bool with_selection_signal = true);
351 bool canvas_event(GdkEvent* ev);
352 bool note_canvas_event(GdkEvent* ev);
354 void midi_channel_mode_changed ();
355 PBD::ScopedConnection _channel_mode_changed_connection;
356 void instrument_settings_changed ();
357 PBD::ScopedConnection _instrument_changed_connection;
359 void change_note_channel (ArdourCanvas::CanvasNoteEvent *, int8_t, bool relative=false);
360 void change_note_velocity(ArdourCanvas::CanvasNoteEvent* ev, int8_t vel, bool relative=false);
361 void change_note_note(ArdourCanvas::CanvasNoteEvent* ev, int8_t note, bool relative=false);
362 void change_note_time(ArdourCanvas::CanvasNoteEvent* ev, ARDOUR::MidiModel::TimeType, bool relative=false);
363 void change_note_length (ArdourCanvas::CanvasNoteEvent *, ARDOUR::MidiModel::TimeType);
364 void trim_note(ArdourCanvas::CanvasNoteEvent* ev, ARDOUR::MidiModel::TimeType start_delta,
365 ARDOUR::MidiModel::TimeType end_delta);
367 void clear_selection_except (ArdourCanvas::CanvasNoteEvent* ev, bool signal = true);
368 void update_drag_selection (double last_x, double x, double last_y, double y, bool extend);
369 void update_vertical_drag_selection (double last_y, double y, bool extend);
371 void add_to_selection (ArdourCanvas::CanvasNoteEvent*);
372 void remove_from_selection (ArdourCanvas::CanvasNoteEvent*);
374 void show_verbose_cursor (std::string const &, double, double) const;
375 void show_verbose_cursor (boost::shared_ptr<NoteType>) const;
377 uint8_t _current_range_min;
378 uint8_t _current_range_max;
380 typedef std::list<ArdourCanvas::CanvasNoteEvent*> Events;
381 typedef std::vector< boost::shared_ptr<PatchChange> > PatchChanges;
382 typedef std::vector< boost::shared_ptr<ArdourCanvas::CanvasSysEx> > SysExes;
384 boost::shared_ptr<ARDOUR::MidiModel> _model;
386 PatchChanges _patch_changes;
388 ArdourCanvas::CanvasNote** _active_notes;
389 ArdourCanvas::Group* _note_group;
390 ARDOUR::MidiModel::NoteDiffCommand* _note_diff_command;
391 ArdourCanvas::CanvasNote* _ghost_note;
392 double _last_ghost_x;
393 double _last_ghost_y;
394 ArdourCanvas::Rectangle* _step_edit_cursor;
395 Evoral::MusicalTime _step_edit_cursor_width;
396 Evoral::MusicalTime _step_edit_cursor_position;
397 ArdourCanvas::CanvasNoteEvent* _channel_selection_scoped_note;
400 /** A group used to temporarily reparent _note_group to during start trims, so
401 * that the notes don't move with the parent region view.
403 ArdourCanvas::Group* _temporary_note_group;
405 MouseState _mouse_state;
408 /** Currently selected CanvasNoteEvents */
409 Selection _selection;
412 void time_sort_events ();
414 MidiCutBuffer* selection_as_cut_buffer () const;
416 /** New notes (created in the current command) which should be selected
417 * when they appear after the command is applied. */
418 std::set< boost::shared_ptr<NoteType> > _marked_for_selection;
420 /** New notes (created in the current command) which should have visible velocity
421 * when they appear after the command is applied. */
422 std::set< boost::shared_ptr<NoteType> > _marked_for_velocity;
424 std::vector<NoteResizeData *> _resize_data;
426 /** connection used to connect to model's ContentChanged signal */
427 PBD::ScopedConnection content_connection;
429 NoteBase* find_canvas_note (boost::shared_ptr<NoteType>);
430 Events::iterator _optimization_iterator;
432 void update_note (Note *, bool update_ghost_regions = true);
433 double update_hit (Hit *);
434 void create_ghost_note (double, double);
435 void update_ghost_note (double, double);
437 MidiListEditor* _list_editor;
438 bool _no_sound_notes;
440 PBD::ScopedConnection note_delete_connection;
441 void maybe_remove_deleted_note_from_selection (NoteBase*);
443 void snap_changed ();
444 PBD::ScopedConnection snap_changed_connection;
446 bool motion (GdkEventMotion*);
447 bool scroll (GdkEventScroll*);
448 bool key_press (GdkEventKey*);
449 bool key_release (GdkEventKey*);
450 bool button_press (GdkEventButton*);
451 bool button_release (GdkEventButton*);
452 bool enter_notify (GdkEventCrossing*);
453 bool leave_notify (GdkEventCrossing*);
455 void drop_down_keys ();
456 void maybe_select_by_position (GdkEventButton* ev, double x, double y);
457 void get_events (Events& e, Evoral::Sequence<Evoral::MusicalTime>::NoteOperator op, uint8_t val, int chan_mask = 0);
459 void display_patch_changes_on_channel (uint8_t, bool);
461 void connect_to_diskstream ();
462 void data_recorded (boost::weak_ptr<ARDOUR::MidiSource>);
464 void remove_ghost_note ();
465 void mouse_mode_changed ();
466 double _last_event_x;
467 double _last_event_y;
469 framepos_t snap_frame_to_grid_underneath (framepos_t p, framecnt_t &) const;
471 PBD::ScopedConnection _mouse_mode_connection;
473 Gdk::Cursor* pre_enter_cursor;
474 Gdk::Cursor* pre_press_cursor;
476 NotePlayer* _note_player;
478 ARDOUR::ChannelMode get_channel_mode() const;
479 uint16_t get_selected_channels () const;
483 #endif /* __gtk_ardour_midi_region_view_h__ */