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__
25 #include <libgnomecanvasmm.h>
26 #include <libgnomecanvasmm/polygon.h>
28 #include "pbd/signals.h"
30 #include "ardour/midi_track.h"
31 #include "ardour/midi_region.h"
32 #include "ardour/midi_model.h"
33 #include "ardour/diskstream.h"
34 #include "ardour/types.h"
37 #include "region_view.h"
38 #include "midi_time_axis.h"
39 #include "time_axis_view_item.h"
40 #include "automation_line.h"
43 #include "canvas-hit.h"
44 #include "canvas-note.h"
45 #include "canvas-note-event.h"
46 #include "canvas_patch_change.h"
47 #include "canvas-sysex.h"
57 struct PatchPrimaryKey;
61 class MidiTimeAxisView;
63 class AutomationTimeAxisView;
64 class AutomationRegionView;
69 class MidiRegionView : public RegionView
72 typedef Evoral::Note<Evoral::MusicalTime> NoteType;
73 typedef Evoral::Sequence<Evoral::MusicalTime>::Notes Notes;
75 MidiRegionView (ArdourCanvas::Group *,
77 boost::shared_ptr<ARDOUR::MidiRegion>,
78 double initial_samples_per_unit,
79 Gdk::Color const & basic_color);
81 MidiRegionView (const MidiRegionView& other);
82 MidiRegionView (const MidiRegionView& other, boost::shared_ptr<ARDOUR::MidiRegion>);
86 virtual void init (Gdk::Color const & basic_color, bool wfd);
88 inline const boost::shared_ptr<ARDOUR::MidiRegion> midi_region() const
89 { return boost::dynamic_pointer_cast<ARDOUR::MidiRegion>(_region); }
91 inline MidiTimeAxisView* midi_view() const
92 { return dynamic_cast<MidiTimeAxisView*>(&trackview); }
94 inline MidiStreamView* midi_stream_view() const
95 { return midi_view()->midi_view(); }
97 void step_add_note (uint8_t channel, uint8_t number, uint8_t velocity,
98 Evoral::MusicalTime pos, Evoral::MusicalTime len);
99 void step_sustain (Evoral::MusicalTime beats);
100 void set_height (double);
101 void apply_note_range(uint8_t lowest, uint8_t highest, bool force=false);
103 inline ARDOUR::ColorMode color_mode() const { return midi_view()->color_mode(); }
105 void set_frame_color();
106 void color_handler ();
108 void show_step_edit_cursor (Evoral::MusicalTime pos);
109 void move_step_edit_cursor (Evoral::MusicalTime pos);
110 void hide_step_edit_cursor ();
111 void set_step_edit_cursor_width (Evoral::MusicalTime beats);
113 void redisplay_model();
115 GhostRegion* add_ghost (TimeAxisView&);
117 void add_note(const boost::shared_ptr<NoteType> note, bool visible);
118 void resolve_note(uint8_t note_num, double end_time);
120 void cut_copy_clear (Editing::CutCopyOp);
121 void paste (framepos_t pos, float times, const MidiCutBuffer&);
123 /** Add a new patch change flag to the canvas.
124 * @param patch the patch change to add
125 * @param the text to display in the flag
127 void add_canvas_patch_change (ARDOUR::MidiModel::PatchChangePtr patch, const std::string& displaytext);
129 /** Look up the given time and channel in the 'automation' and set keys accordingly.
130 * @param time the time of the patch change event
131 * @param channel the MIDI channel of the event
132 * @key a reference to an instance of MIDI::Name::PatchPrimaryKey whose fields will
133 * will be set according to the result of the lookup
135 void get_patch_key_at(double time, uint8_t channel, MIDI::Name::PatchPrimaryKey& key);
137 /** Change old_patch to new_patch.
138 * @param old_patch the canvas patch change which is to be altered
139 * @param new_patch new patch
141 void change_patch_change (ArdourCanvas::CanvasPatchChange& old_patch, const MIDI::Name::PatchPrimaryKey& new_patch);
142 void change_patch_change (ARDOUR::MidiModel::PatchChangePtr, Evoral::PatchChange<Evoral::MusicalTime> const &);
144 void add_patch_change (framecnt_t, Evoral::PatchChange<Evoral::MusicalTime> const &);
145 void move_patch_change (ArdourCanvas::CanvasPatchChange &, Evoral::MusicalTime);
146 void delete_patch_change (ArdourCanvas::CanvasPatchChange *);
147 void edit_patch_change (ArdourCanvas::CanvasPatchChange *);
149 /** Alter a given patch to be its predecessor in the MIDNAM file.
151 void previous_patch (ArdourCanvas::CanvasPatchChange &);
153 /** Alters a given patch to be its successor in the MIDNAM file.
155 void next_patch (ArdourCanvas::CanvasPatchChange &);
157 void previous_bank (ArdourCanvas::CanvasPatchChange &);
158 void next_bank (ArdourCanvas::CanvasPatchChange &);
160 /** Displays all patch change events in the region as flags on the canvas.
162 void display_patch_changes();
164 /** Displays all system exclusive events in the region as flags on the canvas.
166 void display_sysexes();
170 void extend_active_notes();
172 void display_model(boost::shared_ptr<ARDOUR::MidiModel> model);
174 void start_note_diff_command (std::string name = "midi edit");
175 void note_diff_add_change (ArdourCanvas::CanvasNoteEvent* ev, ARDOUR::MidiModel::NoteDiffCommand::Property, uint8_t val);
176 void note_diff_add_change (ArdourCanvas::CanvasNoteEvent* ev, ARDOUR::MidiModel::NoteDiffCommand::Property, Evoral::MusicalTime val);
177 void note_diff_add_note (const boost::shared_ptr<NoteType> note, bool selected, bool show_velocity = false);
178 void note_diff_remove_note (ArdourCanvas::CanvasNoteEvent* ev);
180 void apply_diff (bool as_subcommand = false);
181 void abort_command();
183 void note_entered(ArdourCanvas::CanvasNoteEvent* ev);
184 void note_left(ArdourCanvas::CanvasNoteEvent* ev);
185 void patch_entered (ArdourCanvas::CanvasPatchChange *);
186 void patch_left (ArdourCanvas::CanvasPatchChange *);
187 void note_mouse_position (float xfraction, float yfraction, bool can_set_cursor=true);
188 void unique_select(ArdourCanvas::CanvasNoteEvent* ev);
189 void note_selected(ArdourCanvas::CanvasNoteEvent* ev, bool add, bool extend=false);
190 void note_deselected(ArdourCanvas::CanvasNoteEvent* ev);
191 void delete_selection();
192 void delete_note (boost::shared_ptr<NoteType>);
193 size_t selection_size() { return _selection.size(); }
194 void select_all_notes ();
195 void invert_selection ();
197 void move_selection(double dx, double dy, double cumulative_dy);
198 void note_dropped (ArdourCanvas::CanvasNoteEvent* ev, ARDOUR::frameoffset_t, int8_t d_note);
200 void select_matching_notes (uint8_t notenum, uint16_t channel_mask, bool add, bool extend);
201 void toggle_matching_notes (uint8_t notenum, uint16_t channel_mask);
203 /** Return true iff the note is within the extent of the region.
204 * @param visible will be set to true if the note is within the visible note range, false otherwise.
206 bool note_in_region_range(const boost::shared_ptr<NoteType> note, bool& visible) const;
208 /** Get the region position in pixels relative to session. */
209 double get_position_pixels();
211 /** Get the region end position in pixels relative to session. */
212 double get_end_position_pixels();
214 /** Begin resizing of some notes.
215 * Called by CanvasMidiNote when resizing starts.
216 * @param at_front which end of the note (true == note on, false == note off)
218 void begin_resizing(bool at_front);
220 void update_resizing (ArdourCanvas::CanvasNoteEvent*, bool, double, bool);
221 void commit_resizing (ArdourCanvas::CanvasNoteEvent*, bool, double, bool);
223 /** Change the channel of the selection.
224 * @param channel - the channel number of the new channel, zero-based
226 void change_channel(uint8_t channel);
236 MouseState mouse_state() const { return _mouse_state; }
238 struct NoteResizeData {
239 ArdourCanvas::CanvasNote *canvas_note;
240 ArdourCanvas::SimpleRect *resize_rect;
243 /** Snap a region relative pixel coordinate to pixel units.
244 * @param x a pixel coordinate relative to region start
245 * @return the snapped pixel coordinate relative to region start
247 double snap_to_pixel(double x);
249 /** Snap a region relative pixel coordinate to frame units.
250 * @param x a pixel coordinate relative to region start
251 * @return the snapped framepos_t coordinate relative to region start
253 framepos_t snap_pixel_to_frame(double x);
255 /** Convert a timestamp in beats into frames (both relative to region start) */
256 framepos_t region_beats_to_region_frames(double beats) const;
257 /** Convert a timestamp in beats into absolute frames */
258 framepos_t region_beats_to_absolute_frames(double beats) const {
259 return _region->position() + region_beats_to_region_frames (beats);
261 /** Convert a timestamp in frames to beats (both relative to region start) */
262 double region_frames_to_region_beats(framepos_t) const;
264 /** Convert a timestamp in beats measured from source start into absolute frames */
265 framepos_t source_beats_to_absolute_frames(double beats) const;
266 /** Convert a timestamp in beats measured from source start into region-relative frames */
267 framepos_t source_beats_to_region_frames(double beats) const {
268 return source_beats_to_absolute_frames (beats) - _region->position();
270 /** Convert a timestamp in absolute frames to beats measured from source start*/
271 double absolute_frames_to_source_beats(framepos_t) const;
273 void goto_previous_note (bool add_to_selection);
274 void goto_next_note (bool add_to_selection);
275 void change_note_lengths (bool, bool, Evoral::MusicalTime beats, bool start, bool end);
276 void change_velocities (bool up, bool fine, bool allow_smush);
277 void transpose (bool up, bool fine, bool allow_smush);
278 void nudge_notes (bool forward);
279 void channel_edit ();
281 void show_list_editor ();
283 void selection_as_notelist (Notes& selected, bool allow_all_if_none_selected = false);
285 void enable_display (bool);
287 void set_channel_selector_scoped_note(ArdourCanvas::CanvasNoteEvent* note){ _channel_selection_scoped_note = note; }
288 ArdourCanvas::CanvasNoteEvent* channel_selector_scoped_note(){ return _channel_selection_scoped_note; }
290 void trim_front_starting ();
291 void trim_front_ending ();
294 /** Allows derived types to specify their visibility requirements
295 * to the TimeAxisViewItem parent class.
297 MidiRegionView (ArdourCanvas::Group *,
299 boost::shared_ptr<ARDOUR::MidiRegion>,
300 double samples_per_unit,
301 Gdk::Color& basic_color,
302 TimeAxisViewItem::Visibility);
304 void region_resized (const PBD::PropertyChange&);
306 void set_flags (XMLNode *);
309 void reset_width_dependent_items (double pixel_width);
311 void parameter_changed (std::string const & p);
315 /** Emitted when the selection has been cleared in one MidiRegionView */
316 static PBD::Signal1<void, MidiRegionView*> SelectionCleared;
317 PBD::ScopedConnection _selection_cleared_connection;
318 void selection_cleared (MidiRegionView *);
320 friend class EditNoteDialog;
322 void create_note_at(double x, double y, double length, bool, bool);
324 /** Play the NoteOn event of the given note immediately
325 * and schedule the playback of the corresponding NoteOff event.
327 void play_midi_note(boost::shared_ptr<NoteType> note);
328 void play_midi_chord (std::vector<boost::shared_ptr<NoteType> > notes);
330 /** Play the NoteOff-Event of the given note immediately
331 * (scheduled by @ref play_midi_note()).
333 bool play_midi_note_off(boost::shared_ptr<NoteType> note);
337 bool canvas_event(GdkEvent* ev);
338 bool note_canvas_event(GdkEvent* ev);
340 void midi_channel_mode_changed(ARDOUR::ChannelMode mode, uint16_t mask);
341 void midi_patch_settings_changed(std::string model, std::string custom_device_mode);
343 void change_note_channel (ArdourCanvas::CanvasNoteEvent *, int8_t, bool relative=false);
344 void change_note_velocity(ArdourCanvas::CanvasNoteEvent* ev, int8_t vel, bool relative=false);
345 void change_note_note(ArdourCanvas::CanvasNoteEvent* ev, int8_t note, bool relative=false);
346 void change_note_time(ArdourCanvas::CanvasNoteEvent* ev, ARDOUR::MidiModel::TimeType, bool relative=false);
347 void change_note_length (ArdourCanvas::CanvasNoteEvent *, ARDOUR::MidiModel::TimeType);
348 void trim_note(ArdourCanvas::CanvasNoteEvent* ev, ARDOUR::MidiModel::TimeType start_delta,
349 ARDOUR::MidiModel::TimeType end_delta);
351 void clear_selection_except (ArdourCanvas::CanvasNoteEvent* ev, bool signal = true);
352 void clear_selection (bool signal = true) { clear_selection_except (0, signal); }
353 void update_drag_selection (double last_x, double x, double last_y, double y, bool extend);
355 void add_to_selection (ArdourCanvas::CanvasNoteEvent*);
356 void remove_from_selection (ArdourCanvas::CanvasNoteEvent*);
358 void show_verbose_cursor (std::string const &, double, double) const;
359 void show_verbose_cursor (boost::shared_ptr<NoteType>) const;
361 int8_t _force_channel;
362 uint16_t _last_channel_selection;
363 uint8_t _current_range_min;
364 uint8_t _current_range_max;
366 /// MIDNAM information of the current track: Model name of MIDNAM file
367 std::string _model_name;
369 /// MIDNAM information of the current track: CustomDeviceMode
370 std::string _custom_device_mode;
372 typedef std::list<ArdourCanvas::CanvasNoteEvent*> Events;
373 typedef std::vector< boost::shared_ptr<ArdourCanvas::CanvasPatchChange> > PatchChanges;
374 typedef std::vector< boost::shared_ptr<ArdourCanvas::CanvasSysEx> > SysExes;
376 boost::shared_ptr<ARDOUR::MidiModel> _model;
378 PatchChanges _patch_changes;
380 ArdourCanvas::CanvasNote** _active_notes;
381 ArdourCanvas::Group* _note_group;
382 ARDOUR::MidiModel::NoteDiffCommand* _note_diff_command;
383 ArdourCanvas::CanvasNote* _ghost_note;
384 double _last_ghost_x;
385 double _last_ghost_y;
386 double _drag_start_x;
387 double _drag_start_y;
390 ArdourCanvas::SimpleRect* _drag_rect;
391 ArdourCanvas::SimpleRect* _step_edit_cursor;
392 Evoral::MusicalTime _step_edit_cursor_width;
393 Evoral::MusicalTime _step_edit_cursor_position;
394 ArdourCanvas::CanvasNoteEvent* _channel_selection_scoped_note;
397 /** A group used to temporarily reparent _note_group to during start trims, so
398 * that the notes don't move with the parent region view.
400 ArdourCanvas::Group* _temporary_note_group;
402 MouseState _mouse_state;
405 typedef std::set<ArdourCanvas::CanvasNoteEvent*> Selection;
406 /// Currently selected CanvasNoteEvents
407 Selection _selection;
410 void time_sort_events ();
412 MidiCutBuffer* selection_as_cut_buffer () const;
414 /** New notes (created in the current command) which should be selected
415 * when they appear after the command is applied. */
416 std::set< boost::shared_ptr<NoteType> > _marked_for_selection;
418 /** New notes (created in the current command) which should have visible velocity
419 * when they appear after the command is applied. */
420 std::set< boost::shared_ptr<NoteType> > _marked_for_velocity;
422 std::vector<NoteResizeData *> _resize_data;
424 /** connection used to connect to model's ContentChanged signal */
425 PBD::ScopedConnection content_connection;
427 ArdourCanvas::CanvasNoteEvent* find_canvas_note (boost::shared_ptr<NoteType>);
428 Events::iterator _optimization_iterator;
430 void update_note (ArdourCanvas::CanvasNote *, bool update_ghost_regions = true);
431 double update_hit (ArdourCanvas::CanvasHit *);
432 void create_ghost_note (double, double);
433 void update_ghost_note (double, double);
435 MidiListEditor* _list_editor;
436 bool _no_sound_notes;
438 PBD::ScopedConnection note_delete_connection;
439 void maybe_remove_deleted_note_from_selection (ArdourCanvas::CanvasNoteEvent*);
441 void snap_changed ();
442 PBD::ScopedConnection snap_changed_connection;
444 bool motion (GdkEventMotion*);
445 bool scroll (GdkEventScroll*);
446 bool key_press (GdkEventKey*);
447 bool key_release (GdkEventKey*);
448 bool button_press (GdkEventButton*);
449 bool button_release (GdkEventButton*);
450 bool enter_notify (GdkEventCrossing*);
451 bool leave_notify (GdkEventCrossing*);
453 void drop_down_keys ();
454 void maybe_select_by_position (GdkEventButton* ev, double x, double y);
455 void get_events (Events& e, Evoral::Sequence<Evoral::MusicalTime>::NoteOperator op, uint8_t val, int chan_mask = 0);
457 void display_patch_changes_on_channel (uint8_t);
459 void connect_to_diskstream ();
460 void data_recorded (boost::shared_ptr<ARDOUR::MidiBuffer>, boost::weak_ptr<ARDOUR::MidiSource>);
462 void remove_ghost_note ();
463 void mouse_mode_changed ();
464 double _last_event_x;
465 double _last_event_y;
467 framepos_t snap_frame_to_grid_underneath (framepos_t p, framecnt_t &) const;
469 PBD::ScopedConnection _mouse_mode_connection;
471 Gdk::Cursor* _pre_enter_cursor;
475 #endif /* __gtk_ardour_midi_region_view_h__ */