2 Copyright (C) 2001-2007 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"
63 struct PatchPrimaryKey;
67 class MidiTimeAxisView;
69 class AutomationTimeAxisView;
70 class AutomationRegionView;
74 class MidiRegionView : public RegionView
77 typedef Evoral::Note<Evoral::MusicalTime> NoteType;
78 typedef Evoral::Sequence<Evoral::MusicalTime>::Notes Notes;
80 MidiRegionView (ArdourCanvas::Group *,
82 boost::shared_ptr<ARDOUR::MidiRegion>,
83 double initial_samples_per_unit,
84 Gdk::Color const & basic_color);
86 MidiRegionView (const MidiRegionView& other);
87 MidiRegionView (const MidiRegionView& other, boost::shared_ptr<ARDOUR::MidiRegion>);
91 virtual void init (Gdk::Color const & basic_color, bool wfd);
93 inline const boost::shared_ptr<ARDOUR::MidiRegion> midi_region() const
94 { return boost::dynamic_pointer_cast<ARDOUR::MidiRegion>(_region); }
96 inline MidiTimeAxisView* midi_view() const
97 { return dynamic_cast<MidiTimeAxisView*>(&trackview); }
99 inline MidiStreamView* midi_stream_view() const
100 { return midi_view()->midi_view(); }
102 void step_add_note (uint8_t channel, uint8_t number, uint8_t velocity,
103 Evoral::MusicalTime pos, Evoral::MusicalTime len);
105 void set_height (double);
106 void apply_note_range(uint8_t lowest, uint8_t highest, bool force=false);
108 inline ARDOUR::ColorMode color_mode() const { return midi_view()->color_mode(); }
110 void set_frame_color();
111 void color_handler ();
113 void show_step_edit_cursor (Evoral::MusicalTime pos);
114 void move_step_edit_cursor (Evoral::MusicalTime pos);
115 void hide_step_edit_cursor ();
117 void redisplay_model();
119 GhostRegion* add_ghost (TimeAxisView&);
121 void add_note(const boost::shared_ptr<NoteType> note, bool visible);
122 void resolve_note(uint8_t note_num, double end_time);
124 void cut_copy_clear (Editing::CutCopyOp);
125 void paste (nframes64_t pos, float times, const MidiCutBuffer&);
128 PCEvent(double a_time, uint8_t a_value, uint8_t a_channel)
129 : time(a_time), value(a_value), channel(a_channel) {}
136 /** Add a new program change flag to the canvas.
137 * @param program the MidiRegionView::PCEvent to add
138 * @param the text to display in the flag
140 void add_pgm_change(PCEvent& program, const std::string& displaytext);
142 /** Look up the given time and channel in the 'automation' and set keys accordingly.
143 * @param time the time of the program change event
144 * @param channel the MIDI channel of the event
145 * @key a reference to an instance of MIDI::Name::PatchPrimaryKey whose fields will
146 * will be set according to the result of the lookup
148 void get_patch_key_at(double time, uint8_t channel, MIDI::Name::PatchPrimaryKey& key);
150 /** Change the 'automation' data of old_program to new values which correspond to new_patch.
151 * @param old_program the program change event which is to be altered
152 * @param new_patch the new lsb, msb and program number which are to be set
154 void alter_program_change(PCEvent& old_program, const MIDI::Name::PatchPrimaryKey& new_patch);
156 /** Alter a given program to the new given one.
157 * (Called on context menu select on CanvasProgramChange)
159 void program_selected(
160 ArdourCanvas::CanvasProgramChange& program,
161 const MIDI::Name::PatchPrimaryKey& new_patch);
163 /** Alter a given program to be its predecessor in the MIDNAM file.
165 void previous_program(ArdourCanvas::CanvasProgramChange& program);
167 /** Alters a given program to be its successor in the MIDNAM file.
169 void next_program(ArdourCanvas::CanvasProgramChange& program);
171 /** Displays all program change events in the region as flags on the canvas.
173 void display_program_changes();
175 /** Displays all system exclusive events in the region as flags on the canvas.
177 void display_sysexes();
181 void extend_active_notes();
183 void create_note_at(double x, double y, double length, bool);
185 void display_model(boost::shared_ptr<ARDOUR::MidiModel> model);
187 void start_diff_command(std::string name = "midi edit");
188 void diff_add_change(ArdourCanvas::CanvasNoteEvent* ev, ARDOUR::MidiModel::DiffCommand::Property, uint8_t val);
189 void diff_add_change(ArdourCanvas::CanvasNoteEvent* ev, ARDOUR::MidiModel::DiffCommand::Property, Evoral::MusicalTime val);
190 void diff_add_note(const boost::shared_ptr<NoteType> note, bool selected, bool show_velocity=false);
191 void diff_remove_note(ArdourCanvas::CanvasNoteEvent* ev);
194 void apply_diff_as_subcommand();
195 void abort_command();
197 void note_entered(ArdourCanvas::CanvasNoteEvent* ev);
198 void note_left(ArdourCanvas::CanvasNoteEvent* ev);
199 void unique_select(ArdourCanvas::CanvasNoteEvent* ev);
200 void note_selected(ArdourCanvas::CanvasNoteEvent* ev, bool add, bool extend=false);
201 void note_deselected(ArdourCanvas::CanvasNoteEvent* ev);
202 void delete_selection();
203 void delete_note (boost::shared_ptr<NoteType>);
204 size_t selection_size() { return _selection.size(); }
206 void move_selection(double dx, double dy);
207 void note_dropped(ArdourCanvas::CanvasNoteEvent* ev, double d_pixels, int8_t d_note);
209 void select_matching_notes (uint8_t notenum, uint16_t channel_mask, bool add, bool extend);
210 void toggle_matching_notes (uint8_t notenum, uint16_t channel_mask);
212 /** Return true iff the note is within the extent of the region.
213 * @param visible will be set to true if the note is within the visible note range, false otherwise.
215 bool note_in_region_range(const boost::shared_ptr<NoteType> note, bool& visible) const;
217 /** Get the region position in pixels relative to session. */
218 double get_position_pixels();
220 /** Get the region end position in pixels relative to session. */
221 double get_end_position_pixels();
223 /** Begin resizing of some notes.
224 * Called by CanvasMidiNote when resizing starts.
225 * @param at_front which end of the note (true == note on, false == note off)
227 void begin_resizing(bool at_front);
229 void update_resizing (ArdourCanvas::CanvasNote *, bool, double, bool);
230 void commit_resizing (ArdourCanvas::CanvasNote *, bool, double, bool);
232 /** Adjust the velocity on a note, and the selection if applicable.
233 * @param velocity the relative or absolute velocity
234 * @param relative whether velocity is relative or absolute
236 void change_velocity(ArdourCanvas::CanvasNoteEvent* ev, int8_t velocity, bool relative=false);
238 /** Change the channel of the selection.
239 * @param channel - the channel number of the new channel, zero-based
241 void change_channel(uint8_t channel);
251 MouseState mouse_state() const { return _mouse_state; }
253 struct NoteResizeData {
254 ArdourCanvas::CanvasNote *canvas_note;
255 ArdourCanvas::SimpleRect *resize_rect;
258 /** Snap a region relative pixel coordinate to pixel units.
259 * @param x a pixel coordinate relative to region start
260 * @return the snapped pixel coordinate relative to region start
262 double snap_to_pixel(double x);
264 /** Snap a region relative pixel coordinate to frame units.
265 * @param x a pixel coordinate relative to region start
266 * @return the snapped nframes64_t coordinate relative to region start
268 nframes64_t snap_pixel_to_frame(double x);
270 /** Snap a region relative frame coordinate to frame units.
271 * @param x a pixel coordinate relative to region start
272 * @return the snapped nframes64_t coordinate relative to region start
274 nframes64_t snap_frame_to_frame(nframes64_t x);
276 /** Convert a timestamp in beats to frames (both relative to region start) */
277 nframes64_t beats_to_frames(double beats) const;
279 /** Convert a timestamp in frames to beats (both relative to region start) */
280 double frames_to_beats(nframes64_t) const;
282 void goto_previous_note ();
283 void goto_next_note ();
284 void change_note_lengths (bool, bool, bool start, bool end);
285 void change_velocities (bool up, bool fine, bool allow_smush);
286 void transpose (bool up, bool fine, bool allow_smush);
287 void nudge_notes (bool forward);
289 void show_list_editor ();
291 void selection_as_notelist (Notes& selected, bool allow_all_if_none_selected = false);
293 void enable_display (bool);
296 /** Allows derived types to specify their visibility requirements
297 * to the TimeAxisViewItem parent class.
299 MidiRegionView (ArdourCanvas::Group *,
301 boost::shared_ptr<ARDOUR::MidiRegion>,
302 double samples_per_unit,
303 Gdk::Color& basic_color,
304 TimeAxisViewItem::Visibility);
306 void region_resized (const PBD::PropertyChange&);
308 void set_flags (XMLNode *);
311 void reset_width_dependent_items (double pixel_width);
314 /** Play the NoteOn event of the given note immediately
315 * and schedule the playback of the corresponding NoteOff event.
317 void play_midi_note(boost::shared_ptr<NoteType> note);
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);
325 void switch_source(boost::shared_ptr<ARDOUR::Source> src);
327 bool canvas_event(GdkEvent* ev);
328 bool note_canvas_event(GdkEvent* ev);
330 void midi_channel_mode_changed(ARDOUR::ChannelMode mode, uint16_t mask);
331 void midi_patch_settings_changed(std::string model, std::string custom_device_mode);
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 trim_note(ArdourCanvas::CanvasNoteEvent* ev, ARDOUR::MidiModel::TimeType start_delta,
337 ARDOUR::MidiModel::TimeType end_delta);
339 void clear_selection_except(ArdourCanvas::CanvasNoteEvent* ev);
340 void clear_selection() { clear_selection_except(NULL); }
341 void update_drag_selection(double last_x, double x, double last_y, double y);
343 void add_to_selection (ArdourCanvas::CanvasNoteEvent*);
344 void remove_from_selection (ArdourCanvas::CanvasNoteEvent*);
346 int8_t _force_channel;
347 uint16_t _last_channel_selection;
348 uint8_t _current_range_min;
349 uint8_t _current_range_max;
351 /// MIDNAM information of the current track: Model name of MIDNAM file
352 std::string _model_name;
354 /// MIDNAM information of the current track: CustomDeviceMode
355 std::string _custom_device_mode;
357 typedef std::list<ArdourCanvas::CanvasNoteEvent*> Events;
358 typedef std::vector< boost::shared_ptr<ArdourCanvas::CanvasProgramChange> > PgmChanges;
359 typedef std::vector< boost::shared_ptr<ArdourCanvas::CanvasSysEx> > SysExes;
361 boost::shared_ptr<ARDOUR::MidiModel> _model;
363 PgmChanges _pgm_changes;
365 ArdourCanvas::CanvasNote** _active_notes;
366 ArdourCanvas::Group* _note_group;
367 ARDOUR::MidiModel::DiffCommand* _diff_command;
368 ArdourCanvas::CanvasNote* _ghost_note;
369 double _last_ghost_x;
370 double _last_ghost_y;
371 double _drag_start_x;
372 double _drag_start_y;
375 ArdourCanvas::SimpleRect* _drag_rect;
376 ArdourCanvas::Pixbuf* _step_edit_cursor;
378 MouseState _mouse_state;
381 typedef std::set<ArdourCanvas::CanvasNoteEvent*> Selection;
382 /// Currently selected CanvasNoteEvents
383 Selection _selection;
386 void time_sort_events ();
388 MidiCutBuffer* selection_as_cut_buffer () const;
390 /** New notes (created in the current command) which should be selected
391 * when they appear after the command is applied. */
392 std::set< boost::shared_ptr<NoteType> > _marked_for_selection;
394 /** New notes (created in the current command) which should have visible velocity
395 * when they appear after the command is applied. */
396 std::set< boost::shared_ptr<NoteType> > _marked_for_velocity;
398 std::vector<NoteResizeData *> _resize_data;
400 /* connection used to connect to model's ContentChanged signal */
401 PBD::ScopedConnection content_connection;
403 ArdourCanvas::CanvasNoteEvent* find_canvas_note (boost::shared_ptr<NoteType>);
404 Events::iterator _optimization_iterator;
406 void update_note (ArdourCanvas::CanvasNote*);
407 void update_hit (ArdourCanvas::CanvasHit*);
408 void create_ghost_note (double, double);
409 void update_ghost_note (double, double);
411 MidiListEditor* _list_editor;
414 PBD::ScopedConnection note_delete_connection;
415 void maybe_remove_deleted_note_from_selection (ArdourCanvas::CanvasNoteEvent*);
417 void snap_changed ();
418 PBD::ScopedConnection snap_changed_connection;
420 void show_verbose_canvas_cursor (boost::shared_ptr<NoteType>) const;
422 bool motion (GdkEventMotion*);
423 bool scroll (GdkEventScroll*);
424 bool key_press (GdkEventKey*);
425 bool key_release (GdkEventKey*);
426 bool button_press (GdkEventButton*);
427 bool button_release (GdkEventButton*);
428 bool enter_notify (GdkEventCrossing*);
429 bool leave_notify (GdkEventCrossing*);
431 void drop_down_keys ();
432 void maybe_select_by_position (GdkEventButton* ev, double x, double y);
433 void get_events (Events& e, Evoral::Sequence<Evoral::MusicalTime>::NoteOperator op, uint8_t val, int chan_mask = 0);
435 void display_program_changes_on_channel (uint8_t);
440 #endif /* __gtk_ardour_midi_region_view_h__ */