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);
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);
130 /** Look up the given time and channel in the 'automation' and set keys accordingly.
131 * @param time the time of the patch change event
132 * @param channel the MIDI channel of the event
133 * @key a reference to an instance of MIDI::Name::PatchPrimaryKey whose fields will
134 * will be set according to the result of the lookup
136 void get_patch_key_at (Evoral::Beats time, uint8_t channel, MIDI::Name::PatchPrimaryKey& key) const;
138 /** Convert a given PatchChange into a PatchPrimaryKey
140 MIDI::Name::PatchPrimaryKey patch_change_to_patch_key (ARDOUR::MidiModel::PatchChangePtr);
142 /** Change old_patch to new_patch.
143 * @param old_patch the canvas patch change which is to be altered
144 * @param new_patch new patch
146 void change_patch_change (PatchChange& old_patch, const MIDI::Name::PatchPrimaryKey& new_patch);
147 void change_patch_change (ARDOUR::MidiModel::PatchChangePtr, Evoral::PatchChange<Evoral::Beats> const &);
149 void add_patch_change (framecnt_t, Evoral::PatchChange<Evoral::Beats> const &);
150 void move_patch_change (PatchChange &, Evoral::Beats);
151 void delete_patch_change (PatchChange *);
152 void edit_patch_change (PatchChange *);
154 void delete_sysex (SysEx*);
156 /** Change a patch to the next or previous bank/program.
157 * @param bank If true, step bank, otherwise, step program.
158 * @param delta Amount to adjust number.
160 void step_patch (PatchChange& patch, bool bank, int delta);
162 /** Displays all patch change events in the region as flags on the canvas.
164 void display_patch_changes();
166 /** Displays all system exclusive events in the region as flags on the canvas.
168 void display_sysexes();
172 void extend_active_notes();
174 void display_model(boost::shared_ptr<ARDOUR::MidiModel> model);
176 void start_note_diff_command (std::string name = "midi edit");
177 void note_diff_add_change (NoteBase* ev, ARDOUR::MidiModel::NoteDiffCommand::Property, uint8_t val);
178 void note_diff_add_change (NoteBase* ev, ARDOUR::MidiModel::NoteDiffCommand::Property, Evoral::Beats val);
179 void note_diff_add_note (const boost::shared_ptr<NoteType> note, bool selected, bool show_velocity = false);
180 void note_diff_remove_note (NoteBase* ev);
182 void apply_diff (bool as_subcommand = false);
183 void abort_command();
185 void note_entered(NoteBase* ev);
186 void note_left(NoteBase* ev);
187 void patch_entered (PatchChange *);
188 void patch_left (PatchChange *);
189 void sysex_entered (SysEx* p);
190 void sysex_left (SysEx* p);
191 void note_mouse_position (float xfraction, float yfraction, bool can_set_cursor=true);
192 void unique_select(NoteBase* ev);
193 void note_selected(NoteBase* ev, bool add, bool extend=false);
194 void note_deselected(NoteBase* ev);
195 void delete_selection();
196 void delete_note (boost::shared_ptr<NoteType>);
197 size_t selection_size() { return _selection.size(); }
198 void select_all_notes ();
199 void select_range(framepos_t start, framepos_t end);
200 void invert_selection ();
202 void move_selection(double dx, double dy, double cumulative_dy);
203 void note_dropped (NoteBase* ev, ARDOUR::frameoffset_t, int8_t d_note);
205 void select_notes (std::list<boost::shared_ptr<NoteType> >);
206 void select_matching_notes (uint8_t notenum, uint16_t channel_mask, bool add, bool extend);
207 void toggle_matching_notes (uint8_t notenum, uint16_t channel_mask);
209 /** Return true iff the note is within the extent of the region.
210 * @param visible will be set to true if the note is within the visible note range, false otherwise.
212 bool note_in_region_range(const boost::shared_ptr<NoteType> note, bool& visible) const;
214 /** Get the region position in pixels relative to session. */
215 double get_position_pixels();
217 /** Get the region end position in pixels relative to session. */
218 double get_end_position_pixels();
220 /** Begin resizing of some notes.
221 * Called by CanvasMidiNote when resizing starts.
222 * @param at_front which end of the note (true == note on, false == note off)
224 void begin_resizing(bool at_front);
226 void update_resizing (NoteBase* primary, bool at_front, double delta_x, bool relative, double snap_delta, bool with_snap);
227 void commit_resizing (NoteBase* primary, bool at_front, double delat_x, bool relative, double snap_delta, bool with_snap);
228 void abort_resizing ();
230 /** Change the channel of the selection.
231 * @param channel - the channel number of the new channel, zero-based
233 void change_channel(uint8_t channel);
240 SelectVerticalDragging,
244 MouseState mouse_state() const { return _mouse_state; }
246 struct NoteResizeData {
248 ArdourCanvas::Rectangle *resize_rect;
251 /** Snap a region relative pixel coordinate to pixel units.
252 * @param x a pixel coordinate relative to region start
253 * @param ensure_snap do not use magnetic snap (required for snap delta calculation)
254 * @return the snapped pixel coordinate relative to region start
256 double snap_to_pixel(double x, bool ensure_snap = false);
258 /** Snap a region relative pixel coordinate to frame units.
259 * @param x a pixel coordinate relative to region start
260 * @param ensure_snap ignore SnapOff and magnetic snap.
261 * Required for inverting snap logic with modifier keys and snap delta calculation.
262 * @return the snapped framepos_t coordinate relative to region start
264 framepos_t snap_pixel_to_sample(double x, bool ensure_snap = false);
266 /** Convert a timestamp in beats into frames (both relative to region position) */
267 framepos_t region_beats_to_region_frames(Evoral::Beats beats) const;
268 /** Convert a timestamp in beats into absolute frames */
269 framepos_t region_beats_to_absolute_frames(Evoral::Beats 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::Beats region_frames_to_region_beats(framepos_t) const;
274 double region_frames_to_region_beats_double(framepos_t) const;
276 /** Convert a timestamp in beats measured from source start into absolute frames */
277 framepos_t source_beats_to_absolute_frames(Evoral::Beats beats) const;
278 /** Convert a timestamp in beats measured from source start into region-relative frames */
279 framepos_t source_beats_to_region_frames(Evoral::Beats beats) const {
280 return source_beats_to_absolute_frames (beats) - _region->position();
282 /** Convert a timestamp in absolute frames to beats measured from source start*/
283 Evoral::Beats absolute_frames_to_source_beats(framepos_t) const;
285 ARDOUR::BeatsFramesConverter const & region_relative_time_converter () const {
286 return _region_relative_time_converter;
289 ARDOUR::BeatsFramesConverter const & source_relative_time_converter () const {
290 return _source_relative_time_converter;
293 ARDOUR::DoubleBeatsFramesConverter const & region_relative_time_converter_double () const {
294 return _region_relative_time_converter_double;
297 void goto_previous_note (bool add_to_selection);
298 void goto_next_note (bool add_to_selection);
299 void change_note_lengths (bool, bool, Evoral::Beats beats, bool start, bool end);
300 void change_velocities (bool up, bool fine, bool allow_smush, bool all_together);
301 void transpose (bool up, bool fine, bool allow_smush);
302 void nudge_notes (bool forward, bool fine);
303 void channel_edit ();
304 void velocity_edit ();
306 void show_list_editor ();
308 typedef std::set<NoteBase*> Selection;
309 Selection selection () const {
313 void selection_as_notelist (Notes& selected, bool allow_all_if_none_selected = false);
315 void enable_display (bool);
317 void set_channel_selector_scoped_note(NoteBase* note){ _channel_selection_scoped_note = note; }
318 NoteBase* channel_selector_scoped_note(){ return _channel_selection_scoped_note; }
320 void trim_front_starting ();
321 void trim_front_ending ();
323 /** Add a note to the model, and the view, at a canvas (click) coordinate.
324 * \param t time in frames relative to the position of the region
325 * \param y vertical position in pixels
326 * \param length duration of the note in beats
327 * \param snap_t true to snap t to the grid, otherwise false.
329 void create_note_at (framepos_t t, double y, Evoral::Beats length, bool snap_t);
331 void clear_selection (bool signal = true) { clear_selection_except (0, signal); }
333 ARDOUR::InstrumentInfo& instrument_info() const;
335 void note_deleted (NoteBase*);
338 void region_resized (const PBD::PropertyChange&);
340 void set_flags (XMLNode *);
343 void reset_width_dependent_items (double pixel_width);
345 void parameter_changed (std::string const & p);
349 friend class MidiRubberbandSelectDrag;
350 friend class MidiVerticalSelectDrag;
352 /** Emitted when the selection has been cleared in one MidiRegionView,
353 * with the expectation that others will clear their selections in
356 static PBD::Signal1<void, MidiRegionView*> SelectionCleared;
357 PBD::ScopedConnection _selection_cleared_connection;
358 void selection_cleared (MidiRegionView *);
360 /** this handles the case when the "external" world wants us to clear our internal selections
362 PBD::ScopedConnection _clear_midi_selection_connection;
363 void clear_midi_selection () { clear_selection(); }
365 friend class EditNoteDialog;
367 /** Play the NoteOn event of the given note immediately
368 * and schedule the playback of the corresponding NoteOff event.
370 void play_midi_note (boost::shared_ptr<NoteType> note);
371 void start_playing_midi_note (boost::shared_ptr<NoteType> note);
372 void start_playing_midi_chord (std::vector<boost::shared_ptr<NoteType> > notes);
374 void clear_events (bool with_selection_signal = true);
376 bool canvas_group_event(GdkEvent* ev);
377 bool note_canvas_event(GdkEvent* ev);
379 void midi_channel_mode_changed ();
380 PBD::ScopedConnection _channel_mode_changed_connection;
381 void instrument_settings_changed ();
382 PBD::ScopedConnection _instrument_changed_connection;
384 void change_note_channel (NoteBase *, int8_t, bool relative=false);
385 void change_note_velocity(NoteBase* ev, int8_t vel, bool relative=false);
386 void change_note_note(NoteBase* ev, int8_t note, bool relative=false);
387 void change_note_time(NoteBase* ev, ARDOUR::MidiModel::TimeType, bool relative=false);
388 void change_note_length (NoteBase *, ARDOUR::MidiModel::TimeType);
389 void trim_note(NoteBase* ev, ARDOUR::MidiModel::TimeType start_delta,
390 ARDOUR::MidiModel::TimeType end_delta);
392 void clear_selection_except (NoteBase* ev, bool signal = true);
393 void update_drag_selection (framepos_t start, framepos_t end, double y0, double y1, bool extend);
394 void update_vertical_drag_selection (double last_y, double y, bool extend);
396 void add_to_selection (NoteBase*);
397 void remove_from_selection (NoteBase*);
399 void show_verbose_cursor (std::string const &, double, double) const;
400 void show_verbose_cursor (boost::shared_ptr<NoteType>) const;
402 uint8_t get_velocity_for_add (ARDOUR::MidiModel::TimeType time) const;
404 uint8_t _current_range_min;
405 uint8_t _current_range_max;
407 typedef std::list<NoteBase*> Events;
408 typedef std::vector< boost::shared_ptr<PatchChange> > PatchChanges;
409 typedef std::vector< boost::shared_ptr<SysEx> > SysExes;
411 ARDOUR::BeatsFramesConverter _region_relative_time_converter;
412 ARDOUR::BeatsFramesConverter _source_relative_time_converter;
413 ARDOUR::DoubleBeatsFramesConverter _region_relative_time_converter_double;
415 boost::shared_ptr<ARDOUR::MidiModel> _model;
417 PatchChanges _patch_changes;
419 Note** _active_notes;
420 ArdourCanvas::Container* _note_group;
421 ARDOUR::MidiModel::NoteDiffCommand* _note_diff_command;
422 NoteBase* _ghost_note;
423 double _last_ghost_x;
424 double _last_ghost_y;
425 ArdourCanvas::Rectangle* _step_edit_cursor;
426 Evoral::Beats _step_edit_cursor_width;
427 Evoral::Beats _step_edit_cursor_position;
428 NoteBase* _channel_selection_scoped_note;
430 /** A group used to temporarily reparent _note_group to during start trims, so
431 * that the notes don't move with the parent region view.
433 ArdourCanvas::Container* _temporary_note_group;
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< boost::shared_ptr<NoteType> > _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 (NoteType);
464 Events::iterator _optimization_iterator;
466 void update_note (NoteBase*, bool update_ghost_regions = true);
467 void update_sustained (Note *, bool update_ghost_regions = true);
468 void update_hit (Hit *, bool update_ghost_regions = true);
470 void create_ghost_note (double, double);
471 void update_ghost_note (double, double);
473 MidiListEditor* _list_editor;
474 bool _no_sound_notes;
476 void snap_changed ();
477 PBD::ScopedConnection snap_changed_connection;
479 bool motion (GdkEventMotion*);
480 bool scroll (GdkEventScroll*);
481 bool key_press (GdkEventKey*);
482 bool key_release (GdkEventKey*);
483 bool button_press (GdkEventButton*);
484 bool button_release (GdkEventButton*);
485 bool enter_notify (GdkEventCrossing*);
486 bool leave_notify (GdkEventCrossing*);
488 void drop_down_keys ();
489 void maybe_select_by_position (GdkEventButton* ev, double x, double y);
490 void get_events (Events& e, Evoral::Sequence<Evoral::Beats>::NoteOperator op, uint8_t val, int chan_mask = 0);
492 void display_patch_changes_on_channel (uint8_t, bool);
494 void connect_to_diskstream ();
495 void data_recorded (boost::weak_ptr<ARDOUR::MidiSource>);
497 /** Get grid type as beats, or default to 1 if not snapped to beats. */
498 Evoral::Beats get_grid_beats(framepos_t pos) const;
500 void remove_ghost_note ();
501 void mouse_mode_changed ();
502 void enter_internal ();
503 void leave_internal ();
504 void hide_verbose_cursor ();
506 framecnt_t _last_display_zoom;
508 double _last_event_x;
509 double _last_event_y;
510 bool _grabbed_keyboard;
513 bool _mouse_changed_selection;
515 framepos_t snap_frame_to_grid_underneath (framepos_t p, framecnt_t &) const;
517 PBD::ScopedConnection _mouse_mode_connection;
519 boost::shared_ptr<CursorContext> _press_cursor_ctx;
521 ARDOUR::ChannelMode get_channel_mode() const;
522 uint16_t get_selected_channels () const;
526 #endif /* __gtk_ardour_midi_region_view_h__ */