2 Copyright (C) 2001-2010 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-program-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&);
124 PCEvent(double a_time, uint8_t a_value, uint8_t a_channel)
125 : time(a_time), value(a_value), channel(a_channel) {}
132 /** Add a new program change flag to the canvas.
133 * @param program the MidiRegionView::PCEvent to add
134 * @param the text to display in the flag
136 void add_pgm_change(PCEvent& program, const std::string& displaytext);
138 /** Look up the given time and channel in the 'automation' and set keys accordingly.
139 * @param time the time of the program change event
140 * @param channel the MIDI channel of the event
141 * @key a reference to an instance of MIDI::Name::PatchPrimaryKey whose fields will
142 * will be set according to the result of the lookup
144 void get_patch_key_at(double time, uint8_t channel, MIDI::Name::PatchPrimaryKey& key);
146 /** Change the 'automation' data of old_program to new values which correspond to new_patch.
147 * @param old_program the program change event which is to be altered
148 * @param new_patch the new lsb, msb and program number which are to be set
150 void alter_program_change(PCEvent& old_program, const MIDI::Name::PatchPrimaryKey& new_patch);
152 void move_program_change (PCEvent, double);
154 /** Alter a given program to the new given one.
155 * (Called on context menu select on CanvasProgramChange)
157 void program_selected(
158 ArdourCanvas::CanvasProgramChange& program,
159 const MIDI::Name::PatchPrimaryKey& new_patch);
161 /** Alter a given program to be its predecessor in the MIDNAM file.
163 void previous_program(ArdourCanvas::CanvasProgramChange& program);
165 /** Alters a given program to be its successor in the MIDNAM file.
167 void next_program(ArdourCanvas::CanvasProgramChange& program);
169 /** Displays all program change events in the region as flags on the canvas.
171 void display_program_changes();
173 /** Displays all system exclusive events in the region as flags on the canvas.
175 void display_sysexes();
179 void extend_active_notes();
181 void create_note_at(double x, double y, double length, bool);
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 (ArdourCanvas::CanvasNoteEvent* ev, ARDOUR::MidiModel::NoteDiffCommand::Property, uint8_t val);
187 void note_diff_add_change (ArdourCanvas::CanvasNoteEvent* ev, ARDOUR::MidiModel::NoteDiffCommand::Property, Evoral::MusicalTime 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 (ArdourCanvas::CanvasNoteEvent* ev);
192 void apply_diff_as_subcommand();
193 void abort_command();
195 void note_entered(ArdourCanvas::CanvasNoteEvent* ev);
196 void note_left(ArdourCanvas::CanvasNoteEvent* ev);
197 void note_mouse_position (float xfraction, float yfraction, bool can_set_cursor=true);
198 void unique_select(ArdourCanvas::CanvasNoteEvent* ev);
199 void note_selected(ArdourCanvas::CanvasNoteEvent* ev, bool add, bool extend=false);
200 void note_deselected(ArdourCanvas::CanvasNoteEvent* ev);
201 void delete_selection();
202 void delete_note (boost::shared_ptr<NoteType>);
203 size_t selection_size() { return _selection.size(); }
205 void move_selection(double dx, double dy, double cumulative_dy);
206 void note_dropped (ArdourCanvas::CanvasNoteEvent* ev, ARDOUR::frameoffset_t, int8_t d_note);
208 void select_matching_notes (uint8_t notenum, uint16_t channel_mask, bool add, bool extend);
209 void toggle_matching_notes (uint8_t notenum, uint16_t channel_mask);
211 /** Return true iff the note is within the extent of the region.
212 * @param visible will be set to true if the note is within the visible note range, false otherwise.
214 bool note_in_region_range(const boost::shared_ptr<NoteType> note, bool& visible) const;
216 /** Get the region position in pixels relative to session. */
217 double get_position_pixels();
219 /** Get the region end position in pixels relative to session. */
220 double get_end_position_pixels();
222 /** Begin resizing of some notes.
223 * Called by CanvasMidiNote when resizing starts.
224 * @param at_front which end of the note (true == note on, false == note off)
226 void begin_resizing(bool at_front);
228 void update_resizing (ArdourCanvas::CanvasNoteEvent*, bool, double, bool);
229 void commit_resizing (ArdourCanvas::CanvasNoteEvent*, bool, double, bool);
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);
244 MouseState mouse_state() const { return _mouse_state; }
246 struct NoteResizeData {
247 ArdourCanvas::CanvasNote *canvas_note;
248 ArdourCanvas::SimpleRect *resize_rect;
251 /** Snap a region relative pixel coordinate to pixel units.
252 * @param x a pixel coordinate relative to region start
253 * @return the snapped pixel coordinate relative to region start
255 double snap_to_pixel(double x);
257 /** Snap a region relative pixel coordinate to frame units.
258 * @param x a pixel coordinate relative to region start
259 * @return the snapped framepos_t coordinate relative to region start
261 framepos_t snap_pixel_to_frame(double x);
263 /** Snap a region relative frame coordinate to frame units.
264 * @param x a pixel coordinate relative to region start
265 * @return the snapped framepos_t coordinate relative to region start
267 framepos_t snap_frame_to_frame(framepos_t x);
269 /** Convert a timestamp in beats to frames (both relative to region start) */
270 framepos_t beats_to_frames(double beats) const;
272 /** Convert a timestamp in frames to beats (both relative to region start) */
273 double frames_to_beats(framepos_t) const;
275 void goto_previous_note ();
276 void goto_next_note ();
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);
279 void transpose (bool up, bool fine, bool allow_smush);
280 void nudge_notes (bool forward);
282 void show_list_editor ();
284 void selection_as_notelist (Notes& selected, bool allow_all_if_none_selected = false);
286 void enable_display (bool);
288 void trim_front_starting ();
289 void trim_front_ending ();
292 /** Allows derived types to specify their visibility requirements
293 * to the TimeAxisViewItem parent class.
295 MidiRegionView (ArdourCanvas::Group *,
297 boost::shared_ptr<ARDOUR::MidiRegion>,
298 double samples_per_unit,
299 Gdk::Color& basic_color,
300 TimeAxisViewItem::Visibility);
302 void region_resized (const PBD::PropertyChange&);
304 void set_flags (XMLNode *);
307 void reset_width_dependent_items (double pixel_width);
311 friend class EditNoteDialog;
313 /** Play the NoteOn event of the given note immediately
314 * and schedule the playback of the corresponding NoteOff event.
316 void play_midi_note(boost::shared_ptr<NoteType> note);
317 void play_midi_chord (std::vector<boost::shared_ptr<NoteType> > notes);
319 /** Play the NoteOff-Event of the given note immediately
320 * (scheduled by @ref play_midi_note()).
322 bool play_midi_note_off(boost::shared_ptr<NoteType> note);
326 bool canvas_event(GdkEvent* ev);
327 bool note_canvas_event(GdkEvent* ev);
329 void midi_channel_mode_changed(ARDOUR::ChannelMode mode, uint16_t mask);
330 void midi_patch_settings_changed(std::string model, std::string custom_device_mode);
332 void change_note_channel (ArdourCanvas::CanvasNoteEvent *, int8_t);
333 void change_note_velocity(ArdourCanvas::CanvasNoteEvent* ev, int8_t vel, bool relative=false);
334 void change_note_note(ArdourCanvas::CanvasNoteEvent* ev, int8_t note, bool relative=false);
335 void change_note_time(ArdourCanvas::CanvasNoteEvent* ev, ARDOUR::MidiModel::TimeType, bool relative=false);
336 void change_note_length (ArdourCanvas::CanvasNoteEvent *, ARDOUR::MidiModel::TimeType);
337 void trim_note(ArdourCanvas::CanvasNoteEvent* ev, ARDOUR::MidiModel::TimeType start_delta,
338 ARDOUR::MidiModel::TimeType end_delta);
340 void clear_selection_except(ArdourCanvas::CanvasNoteEvent* ev);
341 void clear_selection() { clear_selection_except(NULL); }
342 void update_drag_selection(double last_x, double x, double last_y, double y);
344 void add_to_selection (ArdourCanvas::CanvasNoteEvent*);
345 void remove_from_selection (ArdourCanvas::CanvasNoteEvent*);
347 int8_t _force_channel;
348 uint16_t _last_channel_selection;
349 uint8_t _current_range_min;
350 uint8_t _current_range_max;
352 /// MIDNAM information of the current track: Model name of MIDNAM file
353 std::string _model_name;
355 /// MIDNAM information of the current track: CustomDeviceMode
356 std::string _custom_device_mode;
358 typedef std::list<ArdourCanvas::CanvasNoteEvent*> Events;
359 typedef std::vector< boost::shared_ptr<ArdourCanvas::CanvasProgramChange> > PgmChanges;
360 typedef std::vector< boost::shared_ptr<ArdourCanvas::CanvasSysEx> > SysExes;
362 boost::shared_ptr<ARDOUR::MidiModel> _model;
364 PgmChanges _pgm_changes;
366 ArdourCanvas::CanvasNote** _active_notes;
367 ArdourCanvas::Group* _note_group;
368 ARDOUR::MidiModel::NoteDiffCommand* _note_diff_command;
369 ArdourCanvas::CanvasNote* _ghost_note;
370 double _last_ghost_x;
371 double _last_ghost_y;
372 double _drag_start_x;
373 double _drag_start_y;
376 ArdourCanvas::SimpleRect* _drag_rect;
377 ArdourCanvas::SimpleRect* _step_edit_cursor;
378 Evoral::MusicalTime _step_edit_cursor_width;
379 Evoral::MusicalTime _step_edit_cursor_position;
381 /** A group used to temporarily reparent _note_group to during start trims, so
382 * that the notes don't move with the parent region view.
384 ArdourCanvas::Group* _temporary_note_group;
386 MouseState _mouse_state;
389 typedef std::set<ArdourCanvas::CanvasNoteEvent*> Selection;
390 /// Currently selected CanvasNoteEvents
391 Selection _selection;
394 void time_sort_events ();
396 MidiCutBuffer* selection_as_cut_buffer () const;
398 /** New notes (created in the current command) which should be selected
399 * when they appear after the command is applied. */
400 std::set< boost::shared_ptr<NoteType> > _marked_for_selection;
402 /** New notes (created in the current command) which should have visible velocity
403 * when they appear after the command is applied. */
404 std::set< boost::shared_ptr<NoteType> > _marked_for_velocity;
406 std::vector<NoteResizeData *> _resize_data;
408 /** connection used to connect to model's ContentChanged signal */
409 PBD::ScopedConnection content_connection;
411 ArdourCanvas::CanvasNoteEvent* find_canvas_note (boost::shared_ptr<NoteType>);
412 Events::iterator _optimization_iterator;
414 void update_note (ArdourCanvas::CanvasNote*);
415 double update_hit (ArdourCanvas::CanvasHit *);
416 void create_ghost_note (double, double);
417 void update_ghost_note (double, double);
419 MidiListEditor* _list_editor;
422 PBD::ScopedConnection note_delete_connection;
423 void maybe_remove_deleted_note_from_selection (ArdourCanvas::CanvasNoteEvent*);
425 void snap_changed ();
426 PBD::ScopedConnection snap_changed_connection;
428 void show_verbose_canvas_cursor (boost::shared_ptr<NoteType>) const;
430 bool motion (GdkEventMotion*);
431 bool scroll (GdkEventScroll*);
432 bool key_press (GdkEventKey*);
433 bool key_release (GdkEventKey*);
434 bool button_press (GdkEventButton*);
435 bool button_release (GdkEventButton*);
436 bool enter_notify (GdkEventCrossing*);
437 bool leave_notify (GdkEventCrossing*);
439 void drop_down_keys ();
440 void maybe_select_by_position (GdkEventButton* ev, double x, double y);
441 void get_events (Events& e, Evoral::Sequence<Evoral::MusicalTime>::NoteOperator op, uint8_t val, int chan_mask = 0);
443 void display_program_changes_on_channel (uint8_t);
445 void connect_to_diskstream ();
446 void data_recorded (boost::shared_ptr<ARDOUR::MidiBuffer>, boost::weak_ptr<ARDOUR::MidiSource>);
448 void remove_ghost_note ();
449 void mouse_mode_changed ();
450 double _last_event_x;
451 double _last_event_y;
453 PBD::ScopedConnection _mouse_mode_connection;
455 Gdk::Cursor* pre_enter_cursor;
459 #endif /* __gtk_ardour_midi_region_view_h__ */