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fix math bug with numthreads computation
[ardour2.git] / gtk2_ardour / midi_region_view.cc
blob92fe545c919d91d38e209e76ad6dff2a00bd16ba
1 /*
2 Copyright (C) 2001-2007 Paul Davis
3 Author: Dave Robillard
4
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 2 of the License, or
8 (at your option) any later version.
9
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
14
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
18 */
19
20 #include <cmath>
21 #include <cassert>
22 #include <algorithm>
23 #include <ostream>
24
25 #include <gtkmm.h>
26
27 #include <gtkmm2ext/gtk_ui.h>
28
29 #include <sigc++/signal.h>
30
31 #include "pbd/memento_command.h"
32 #include "pbd/stateful_diff_command.h"
33
34 #include "ardour/playlist.h"
35 #include "ardour/tempo.h"
36 #include "ardour/midi_region.h"
37 #include "ardour/midi_source.h"
38 #include "ardour/midi_model.h"
39 #include "ardour/midi_patch_manager.h"
40 #include "ardour/session.h"
41
42 #include "evoral/Parameter.hpp"
43 #include "evoral/Control.hpp"
44 #include "evoral/midi_util.h"
45
46 #include "automation_region_view.h"
47 #include "automation_time_axis.h"
48 #include "canvas-hit.h"
49 #include "canvas-note.h"
50 #include "canvas-program-change.h"
51 #include "ghostregion.h"
52 #include "gui_thread.h"
53 #include "keyboard.h"
54 #include "midi_cut_buffer.h"
55 #include "midi_list_editor.h"
56 #include "midi_region_view.h"
57 #include "midi_streamview.h"
58 #include "midi_time_axis.h"
59 #include "midi_time_axis.h"
60 #include "midi_util.h"
61 #include "public_editor.h"
62 #include "selection.h"
63 #include "simpleline.h"
64 #include "streamview.h"
65 #include "utils.h"
66
67 #include "i18n.h"
68
69 using namespace ARDOUR;
70 using namespace PBD;
71 using namespace Editing;
72 using namespace ArdourCanvas;
73 using Gtkmm2ext::Keyboard;
74
75 MidiRegionView::MidiRegionView (ArdourCanvas::Group *parent, RouteTimeAxisView &tv,
76 boost::shared_ptr<MidiRegion> r, double spu, Gdk::Color const & basic_color)
77 : RegionView (parent, tv, r, spu, basic_color)
78 , _force_channel(-1)
79 , _last_channel_selection(0xFFFF)
80 , _current_range_min(0)
81 , _current_range_max(0)
82 , _model_name(string())
83 , _custom_device_mode(string())
84 , _active_notes(0)
85 , _note_group(new ArdourCanvas::Group(*parent))
86 , _diff_command(0)
87 , _ghost_note(0)
88 , _drag_rect (0)
89 , _mouse_state(None)
90 , _pressed_button(0)
91 , _sort_needed (true)
92 , _optimization_iterator (_events.end())
93 , _list_editor (0)
94 , no_sound_notes (false)
95 {
96 _note_group->raise_to_top();
97 PublicEditor::DropDownKeys.connect (sigc::mem_fun (*this, &MidiRegionView::drop_down_keys));
98 }
99
100 MidiRegionView::MidiRegionView (ArdourCanvas::Group *parent, RouteTimeAxisView &tv,
101 boost::shared_ptr<MidiRegion> r, double spu, Gdk::Color& basic_color,
102 TimeAxisViewItem::Visibility visibility)
103 : RegionView (parent, tv, r, spu, basic_color, false, visibility)
104 , _force_channel(-1)
105 , _last_channel_selection(0xFFFF)
106 , _model_name(string())
107 , _custom_device_mode(string())
108 , _active_notes(0)
109 , _note_group(new ArdourCanvas::Group(*parent))
110 , _diff_command(0)
111 , _ghost_note(0)
112 , _drag_rect (0)
113 , _mouse_state(None)
114 , _pressed_button(0)
115 , _sort_needed (true)
116 , _optimization_iterator (_events.end())
117 , _list_editor (0)
118 , no_sound_notes (false)
119 {
120 _note_group->raise_to_top();
121 PublicEditor::DropDownKeys.connect (sigc::mem_fun (*this, &MidiRegionView::drop_down_keys));
122 }
123
124 MidiRegionView::MidiRegionView (const MidiRegionView& other)
125 : sigc::trackable(other)
126 , RegionView (other)
127 , _force_channel(-1)
128 , _last_channel_selection(0xFFFF)
129 , _model_name(string())
130 , _custom_device_mode(string())
131 , _active_notes(0)
132 , _note_group(new ArdourCanvas::Group(*get_canvas_group()))
133 , _diff_command(0)
134 , _ghost_note(0)
135 , _drag_rect (0)
136 , _mouse_state(None)
137 , _pressed_button(0)
138 , _sort_needed (true)
139 , _optimization_iterator (_events.end())
140 , _list_editor (0)
141 , no_sound_notes (false)
142 {
143 Gdk::Color c;
144 int r,g,b,a;
145
146 UINT_TO_RGBA (other.fill_color, &r, &g, &b, &a);
147 c.set_rgb_p (r/255.0, g/255.0, b/255.0);
148
149 init (c, false);
150 }
151
152 MidiRegionView::MidiRegionView (const MidiRegionView& other, boost::shared_ptr<MidiRegion> region)
153 : RegionView (other, boost::shared_ptr<Region> (region))
154 , _force_channel(-1)
155 , _last_channel_selection(0xFFFF)
156 , _model_name(string())
157 , _custom_device_mode(string())
158 , _active_notes(0)
159 , _note_group(new ArdourCanvas::Group(*get_canvas_group()))
160 , _diff_command(0)
161 , _ghost_note(0)
162 , _drag_rect (0)
163 , _mouse_state(None)
164 , _pressed_button(0)
165 , _sort_needed (true)
166 , _optimization_iterator (_events.end())
167 , _list_editor (0)
168 , no_sound_notes (false)
169 {
170 Gdk::Color c;
171 int r,g,b,a;
172
173 UINT_TO_RGBA (other.fill_color, &r, &g, &b, &a);
174 c.set_rgb_p (r/255.0, g/255.0, b/255.0);
175
176 init (c, true);
177 }
178
179 void
180 MidiRegionView::init (Gdk::Color const & basic_color, bool wfd)
181 {
182 PublicEditor::DropDownKeys.connect (sigc::mem_fun (*this, &MidiRegionView::drop_down_keys));
183
184 CanvasNoteEvent::CanvasNoteEventDeleted.connect (note_delete_connection, MISSING_INVALIDATOR,
185 ui_bind (&MidiRegionView::maybe_remove_deleted_note_from_selection, this, _1),
186 gui_context());
187
188 if (wfd) {
189 midi_region()->midi_source(0)->load_model();
190 }
191
192 _model = midi_region()->midi_source(0)->model();
193 _enable_display = false;
194
195 RegionView::init (basic_color, false);
196
197 compute_colors (basic_color);
198
199 set_height (trackview.current_height());
200
201 region_muted ();
202 region_sync_changed ();
203 region_resized (ARDOUR::bounds_change);
204 region_locked ();
205
206 reset_width_dependent_items (_pixel_width);
207
208 set_colors ();
209
210 _enable_display = true;
211 if (_model) {
212 if (wfd) {
213 display_model (_model);
214 }
215 }
216
217 group->raise_to_top();
218 group->signal_event().connect (sigc::mem_fun (this, &MidiRegionView::canvas_event), false);
219
220 midi_view()->signal_channel_mode_changed().connect(
221 sigc::mem_fun(this, &MidiRegionView::midi_channel_mode_changed));
222
223 midi_view()->signal_midi_patch_settings_changed().connect(
224 sigc::mem_fun(this, &MidiRegionView::midi_patch_settings_changed));
225
226 trackview.editor().SnapChanged.connect (snap_changed_connection, invalidator (*this), ui_bind (&MidiRegionView::snap_changed, this), gui_context ());
227 }
228
229 bool
230 MidiRegionView::canvas_event(GdkEvent* ev)
231 {
232 if (!trackview.editor().internal_editing()) {
233 return false;
234 }
235
236 /* XXX: note that until version 2.30, the GnomeCanvas did not propagate scroll events
237 to its items, which means that ev->type == GDK_SCROLL will never be seen
238 */
239
240 switch (ev->type) {
241 case GDK_SCROLL:
242 return scroll (&ev->scroll);
243
244 case GDK_KEY_PRESS:
245 return key_press (&ev->key);
246
247 case GDK_KEY_RELEASE:
248 return key_release (&ev->key);
249
250 case GDK_BUTTON_PRESS:
251 return button_press (&ev->button);
252
253 case GDK_2BUTTON_PRESS:
254 return true;
255
256 case GDK_BUTTON_RELEASE:
257 return button_release (&ev->button);
258
259 case GDK_ENTER_NOTIFY:
260 return enter_notify (&ev->crossing);
261
262 case GDK_LEAVE_NOTIFY:
263 return leave_notify (&ev->crossing);
264
265 case GDK_MOTION_NOTIFY:
266 return motion (&ev->motion);
267
268 default:
269 break;
270 }
271
272 return false;
273 }
274
275 bool
276 MidiRegionView::enter_notify (GdkEventCrossing* ev)
277 {
278 /* FIXME: do this on switch to note tool, too, if the pointer is already in */
279
280 Keyboard::magic_widget_grab_focus();
281 group->grab_focus();
282
283 if (trackview.editor().current_mouse_mode() == MouseRange) {
284 create_ghost_note (ev->x, ev->y);
285 }
286
287 return false;
288 }
289
290 bool
291 MidiRegionView::leave_notify (GdkEventCrossing* ev)
292 {
293 trackview.editor().hide_verbose_canvas_cursor ();
294 delete _ghost_note;
295 _ghost_note = 0;
296 return false;
297 }
298
299 bool
300 MidiRegionView::button_press (GdkEventButton* ev)
301 {
302 _last_x = ev->x;
303 _last_y = ev->y;
304 group->w2i (_last_x, _last_y);
305
306 if (_mouse_state != SelectTouchDragging && ev->button == 1) {
307 _pressed_button = ev->button;
308 _mouse_state = Pressed;
309 return true;
310 }
311
312 _pressed_button = ev->button;
313
314 return true;
315 }
316
317 bool
318 MidiRegionView::button_release (GdkEventButton* ev)
319 {
320 double event_x, event_y;
321 nframes64_t event_frame = 0;
322
323 event_x = ev->x;
324 event_y = ev->y;
325 group->w2i(event_x, event_y);
326 group->ungrab(ev->time);
327 event_frame = trackview.editor().pixel_to_frame(event_x);
328
329 if (ev->button == 3) {
330 return false;
331 } else if (_pressed_button != 1) {
332 return false;
333 }
334
335 switch (_mouse_state) {
336 case Pressed: // Clicked
337 switch (trackview.editor().current_mouse_mode()) {
338 case MouseObject:
339 case MouseTimeFX:
340 clear_selection();
341 maybe_select_by_position (ev, event_x, event_y);
342 break;
343
344 case MouseRange:
345 {
346 bool success;
347 Evoral::MusicalTime beats = trackview.editor().get_grid_type_as_beats (success, trackview.editor().pixel_to_frame (event_x));
348 if (!success) {
349 beats = 1;
350 }
351 create_note_at (event_x, event_y, beats, true);
352 break;
353 }
354 default:
355 break;
356 }
357 _mouse_state = None;
358 break;
359 case SelectRectDragging: // Select drag done
360 _mouse_state = None;
361 delete _drag_rect;
362 _drag_rect = 0;
363 break;
364
365 case AddDragging: // Add drag done
366 _mouse_state = None;
367 if (_drag_rect->property_x2() > _drag_rect->property_x1() + 2) {
368 const double x = _drag_rect->property_x1();
369 const double length = trackview.editor().pixel_to_frame
370 (_drag_rect->property_x2() - _drag_rect->property_x1());
371
372 create_note_at (x, _drag_rect->property_y1(), frames_to_beats(length), false);
373 }
374
375 delete _drag_rect;
376 _drag_rect = 0;
377
378 create_ghost_note (ev->x, ev->y);
379
380 default:
381 break;
382 }
383
384 return false;
385 }
386
387 bool
388 MidiRegionView::motion (GdkEventMotion* ev)
389 {
390 double event_x, event_y;
391 nframes64_t event_frame = 0;
392
393 event_x = ev->x;
394 event_y = ev->y;
395 group->w2i(event_x, event_y);
396
397 // convert event_x to global frame
398 event_frame = trackview.editor().pixel_to_frame(event_x) + _region->position();
399 trackview.editor().snap_to(event_frame);
400 // convert event_frame back to local coordinates relative to position
401 event_frame -= _region->position();
402
403 if (_ghost_note) {
404 update_ghost_note (ev->x, ev->y);
405 }
406
407 /* any motion immediately hides velocity text that may have been visible */
408
409 for (Selection::iterator i = _selection.begin(); i != _selection.end(); ++i) {
410 (*i)->hide_velocity ();
411 }
412
413 switch (_mouse_state) {
414 case Pressed: // Maybe start a drag, if we've moved a bit
415
416 if (fabs (event_x - _last_x) < 1 && fabs (event_y - _last_y) < 1) {
417 /* no appreciable movement since the button was pressed */
418 return false;
419 }
420
421 // Select drag start
422 if (_pressed_button == 1 && trackview.editor().current_mouse_mode() == MouseObject) {
423 group->grab(GDK_POINTER_MOTION_MASK | GDK_BUTTON_RELEASE_MASK,
424 Gdk::Cursor(Gdk::FLEUR), ev->time);
425 _last_x = event_x;
426 _last_y = event_y;
427 _drag_start_x = event_x;
428 _drag_start_y = event_y;
429
430 _drag_rect = new ArdourCanvas::SimpleRect(*group);
431 _drag_rect->property_x1() = event_x;
432 _drag_rect->property_y1() = event_y;
433 _drag_rect->property_x2() = event_x;
434 _drag_rect->property_y2() = event_y;
435 _drag_rect->property_outline_what() = 0xFF;
436 _drag_rect->property_outline_color_rgba()
437 = ARDOUR_UI::config()->canvasvar_MidiSelectRectOutline.get();
438 _drag_rect->property_fill_color_rgba()
439 = ARDOUR_UI::config()->canvasvar_MidiSelectRectFill.get();
440
441 _mouse_state = SelectRectDragging;
442 return true;
443
444 // Add note drag start
445 } else if (trackview.editor().internal_editing()) {
446
447 delete _ghost_note;
448 _ghost_note = 0;
449
450 group->grab(GDK_POINTER_MOTION_MASK | GDK_BUTTON_RELEASE_MASK,
451 Gdk::Cursor(Gdk::FLEUR), ev->time);
452 _last_x = event_x;
453 _last_y = event_y;
454 _drag_start_x = event_x;
455 _drag_start_y = event_y;
456
457 _drag_rect = new ArdourCanvas::SimpleRect(*group);
458 _drag_rect->property_x1() = trackview.editor().frame_to_pixel(event_frame);
459
460 _drag_rect->property_y1() = midi_stream_view()->note_to_y(
461 midi_stream_view()->y_to_note(event_y));
462 _drag_rect->property_x2() = trackview.editor().frame_to_pixel(event_frame);
463 _drag_rect->property_y2() = _drag_rect->property_y1()
464 + floor(midi_stream_view()->note_height());
465 _drag_rect->property_outline_what() = 0xFF;
466 _drag_rect->property_outline_color_rgba() = 0xFFFFFF99;
467 _drag_rect->property_fill_color_rgba() = 0xFFFFFF66;
468
469 _mouse_state = AddDragging;
470 return true;
471 }
472
473 return false;
474
475 case SelectRectDragging: // Select drag motion
476 case AddDragging: // Add note drag motion
477 if (ev->is_hint) {
478 int t_x;
479 int t_y;
480 GdkModifierType state;
481 gdk_window_get_pointer(ev->window, &t_x, &t_y, &state);
482 event_x = t_x;
483 event_y = t_y;
484 }
485
486 if (_mouse_state == AddDragging)
487 event_x = trackview.editor().frame_to_pixel(event_frame);
488
489 if (_drag_rect) {
490 if (event_x > _drag_start_x)
491 _drag_rect->property_x2() = event_x;
492 else
493 _drag_rect->property_x1() = event_x;
494 }
495
496 if (_drag_rect && _mouse_state == SelectRectDragging) {
497 if (event_y > _drag_start_y)
498 _drag_rect->property_y2() = event_y;
499 else
500 _drag_rect->property_y1() = event_y;
501
502 update_drag_selection(_drag_start_x, event_x, _drag_start_y, event_y);
503 }
504
505 _last_x = event_x;
506 _last_y = event_y;
507
508 case SelectTouchDragging:
509 return false;
510
511 default:
512 break;
513 }
514
515 return false;
516 }
517
518
519 bool
520 MidiRegionView::scroll (GdkEventScroll* ev)
521 {
522 if (_selection.empty()) {
523 return false;
524 }
525
526 trackview.editor().hide_verbose_canvas_cursor ();
527
528 bool fine = Keyboard::modifier_state_equals (ev->state, Keyboard::SecondaryModifier);
529
530 if (ev->direction == GDK_SCROLL_UP) {
531 change_velocities (true, fine, false);
532 } else if (ev->direction == GDK_SCROLL_DOWN) {
533 change_velocities (false, fine, false);
534 }
535 return true;
536 }
537
538 bool
539 MidiRegionView::key_press (GdkEventKey* ev)
540 {
541 cerr << "MRV key press\n";
542
543 /* since GTK bindings are generally activated on press, and since
544 detectable auto-repeat is the name of the game and only sends
545 repeated presses, carry out key actions at key press, not release.
546 */
547
548 if (ev->keyval == GDK_Alt_L || ev->keyval == GDK_Alt_R){
549 _mouse_state = SelectTouchDragging;
550 return true;
551
552 } else if (ev->keyval == GDK_Escape) {
553 clear_selection();
554 _mouse_state = None;
555
556 } else if (ev->keyval == GDK_comma || ev->keyval == GDK_period) {
557
558 bool start = (ev->keyval == GDK_comma);
559 bool end = (ev->keyval == GDK_period);
560 bool shorter = Keyboard::modifier_state_contains (ev->state, Keyboard::PrimaryModifier);
561 bool fine = Keyboard::modifier_state_contains (ev->state, Keyboard::SecondaryModifier);
562
563 change_note_lengths (fine, shorter, start, end);
564
565 return true;
566
567 } else if (ev->keyval == GDK_Delete) {
568
569 delete_selection();
570 return true;
571
572 } else if (ev->keyval == GDK_Tab) {
573
574 if (Keyboard::modifier_state_equals (ev->state, Keyboard::PrimaryModifier)) {
575 goto_previous_note ();
576 } else {
577 goto_next_note ();
578 }
579 return true;
580
581 } else if (ev->keyval == GDK_Up) {
582
583 bool allow_smush = Keyboard::modifier_state_contains (ev->state, Keyboard::TertiaryModifier);
584 bool fine = !Keyboard::modifier_state_contains (ev->state, Keyboard::SecondaryModifier);
585
586 if (Keyboard::modifier_state_contains (ev->state, Keyboard::PrimaryModifier)) {
587 change_velocities (true, fine, allow_smush);
588 } else {
589 transpose (true, fine, allow_smush);
590 }
591 return true;
592
593 } else if (ev->keyval == GDK_Down) {
594
595 bool allow_smush = Keyboard::modifier_state_contains (ev->state, Keyboard::TertiaryModifier);
596 bool fine = !Keyboard::modifier_state_contains (ev->state, Keyboard::SecondaryModifier);
597
598 if (Keyboard::modifier_state_contains (ev->state, Keyboard::PrimaryModifier)) {
599 change_velocities (false, fine, allow_smush);
600 } else {
601 transpose (false, fine, allow_smush);
602 }
603 return true;
604
605 } else if (ev->keyval == GDK_Left) {
606
607 nudge_notes (false);
608 return true;
609
610 } else if (ev->keyval == GDK_Right) {
611
612 nudge_notes (true);
613 return true;
614
615 } else if (ev->keyval == GDK_Control_L) {
616 return true;
617
618 } else if (ev->keyval == GDK_r) {
619 /* yes, this steals r */
620 if (midi_view()->midi_track()->step_editing()) {
621 midi_view()->step_edit_rest ();
622 cerr << "Stole that r because " << midi_view()->midi_track()->name()
623 << " is step editing!\n";
624 return true;
625 }
626 }
627
628 return false;
629 }
630
631 bool
632 MidiRegionView::key_release (GdkEventKey* ev)
633 {
634 if (ev->keyval == GDK_Alt_L || ev->keyval == GDK_Alt_R) {
635 _mouse_state = None;
636 return true;
637 }
638 return false;
639 }
640
641 void
642 MidiRegionView::show_list_editor ()
643 {
644 if (!_list_editor) {
645 _list_editor = new MidiListEditor (trackview.session(), midi_region());
646 }
647 _list_editor->present ();
648 }
649
650 /** Add a note to the model, and the view, at a canvas (click) coordinate.
651 * \param x horizontal position in pixels
652 * \param y vertical position in pixels
653 * \param length duration of the note in beats, which will be snapped to the grid
654 * \param sh true to make the note 1 frame shorter than the snapped version of \a length.
655 */
656 void
657 MidiRegionView::create_note_at(double x, double y, double length, bool sh)
658 {
659 MidiTimeAxisView* const mtv = dynamic_cast<MidiTimeAxisView*>(&trackview);
660 MidiStreamView* const view = mtv->midi_view();
661
662 double note = midi_stream_view()->y_to_note(y);
663
664 assert(note >= 0.0);
665 assert(note <= 127.0);
666
667 // Start of note in frames relative to region start
668 nframes64_t const start_frames = snap_frame_to_frame(trackview.editor().pixel_to_frame(x));
669 assert(start_frames >= 0);
670
671 // Snap length
672 length = frames_to_beats(
673 snap_frame_to_frame(start_frames + beats_to_frames(length)) - start_frames);
674
675 assert (length != 0);
676
677 if (sh) {
678 length = frames_to_beats (beats_to_frames (length) - 1);
679 }
680
681 const boost::shared_ptr<NoteType> new_note(new NoteType(0,
682 frames_to_beats(start_frames + _region->start()), length,
683 (uint8_t)note, 0x40));
684
685 if (_model->contains (new_note)) {
686 return;
687 }
688
689 view->update_note_range(new_note->note());
690
691 MidiModel::DiffCommand* cmd = _model->new_diff_command("add note");
692 cmd->add(new_note);
693 _model->apply_command(*trackview.session(), cmd);
694
695 play_midi_note (new_note);
696 }
697
698 void
699 MidiRegionView::clear_events()
700 {
701 clear_selection();
702
703 MidiGhostRegion* gr;
704 for (std::vector<GhostRegion*>::iterator g = ghosts.begin(); g != ghosts.end(); ++g) {
705 if ((gr = dynamic_cast<MidiGhostRegion*>(*g)) != 0) {
706 gr->clear_events();
707 }
708 }
709
710 for (Events::iterator i = _events.begin(); i != _events.end(); ++i) {
711 delete *i;
712 }
713
714 _events.clear();
715 _pgm_changes.clear();
716 _sys_exes.clear();
717 _optimization_iterator = _events.end();
718 }
719
720
721 void
722 MidiRegionView::display_model(boost::shared_ptr<MidiModel> model)
723 {
724 _model = model;
725 content_connection.disconnect ();
726 _model->ContentsChanged.connect (content_connection, invalidator (*this), boost::bind (&MidiRegionView::redisplay_model, this), gui_context());
727
728 clear_events ();
729
730 if (_enable_display) {
731 redisplay_model();
732 }
733 }
734
735 void
736 MidiRegionView::start_diff_command(string name)
737 {
738 if (!_diff_command) {
739 _diff_command = _model->new_diff_command(name);
740 }
741 }
742
743 void
744 MidiRegionView::diff_add_note(const boost::shared_ptr<NoteType> note, bool selected, bool show_velocity)
745 {
746 if (_diff_command) {
747 _diff_command->add(note);
748 }
749 if (selected) {
750 _marked_for_selection.insert(note);
751 }
752 if (show_velocity) {
753 _marked_for_velocity.insert(note);
754 }
755 }
756
757 void
758 MidiRegionView::diff_remove_note(ArdourCanvas::CanvasNoteEvent* ev)
759 {
760 if (_diff_command && ev->note()) {
761 _diff_command->remove(ev->note());
762 }
763 }
764
765 void
766 MidiRegionView::diff_add_change (ArdourCanvas::CanvasNoteEvent* ev,
767 MidiModel::DiffCommand::Property property,
768 uint8_t val)
769 {
770 if (_diff_command) {
771 _diff_command->change (ev->note(), property, val);
772 }
773 }
774
775 void
776 MidiRegionView::diff_add_change (ArdourCanvas::CanvasNoteEvent* ev,
777 MidiModel::DiffCommand::Property property,
778 Evoral::MusicalTime val)
779 {
780 if (_diff_command) {
781 _diff_command->change (ev->note(), property, val);
782 }
783 }
784
785 void
786 MidiRegionView::apply_diff ()
787 {
788 bool add_or_remove;
789
790 if (!_diff_command) {
791 return;
792 }
793
794 if ((add_or_remove = _diff_command->adds_or_removes())) {
795 // Mark all selected notes for selection when model reloads
796 for (Selection::iterator i = _selection.begin(); i != _selection.end(); ++i) {
797 _marked_for_selection.insert((*i)->note());
798 }
799 }
800
801 _model->apply_command(*trackview.session(), _diff_command);
802 _diff_command = 0;
803 midi_view()->midi_track()->playlist_modified();
804
805
806 if (add_or_remove) {
807 _marked_for_selection.clear();
808 }
809
810 _marked_for_velocity.clear();
811 }
812
813 void
814 MidiRegionView::apply_diff_as_subcommand()
815 {
816 bool add_or_remove;
817
818 if (!_diff_command) {
819 return;
820 }
821
822 if ((add_or_remove = _diff_command->adds_or_removes())) {
823 // Mark all selected notes for selection when model reloads
824 for (Selection::iterator i = _selection.begin(); i != _selection.end(); ++i) {
825 _marked_for_selection.insert((*i)->note());
826 }
827 }
828
829 _model->apply_command_as_subcommand(*trackview.session(), _diff_command);
830 _diff_command = 0;
831 midi_view()->midi_track()->playlist_modified();
832
833 if (add_or_remove) {
834 _marked_for_selection.clear();
835 }
836 _marked_for_velocity.clear();
837 }
838
839
840 void
841 MidiRegionView::abort_command()
842 {
843 delete _diff_command;
844 _diff_command = 0;
845 clear_selection();
846 }
847
848 CanvasNoteEvent*
849 MidiRegionView::find_canvas_note (boost::shared_ptr<NoteType> note)
850 {
851 if (_optimization_iterator != _events.end()) {
852 ++_optimization_iterator;
853 }
854
855 if (_optimization_iterator != _events.end() && (*_optimization_iterator)->note() == note) {
856 return *_optimization_iterator;
857 }
858
859 for (_optimization_iterator = _events.begin(); _optimization_iterator != _events.end(); ++_optimization_iterator) {
860 if ((*_optimization_iterator)->note() == note) {
861 return *_optimization_iterator;
862 }
863 }
864
865 return 0;
866 }
867
868 void
869 MidiRegionView::get_events (Events& e, Evoral::Sequence<Evoral::MusicalTime>::NoteOperator op, uint8_t val, int chan_mask)
870 {
871 MidiModel::Notes notes;
872 _model->get_notes (notes, op, val, chan_mask);
873
874 for (MidiModel::Notes::iterator n = notes.begin(); n != notes.end(); ++n) {
875 CanvasNoteEvent* cne = find_canvas_note (*n);
876 if (cne) {
877 e.push_back (cne);
878 }
879 }
880 }
881
882 void
883 MidiRegionView::redisplay_model()
884 {
885 // Don't redisplay the model if we're currently recording and displaying that
886 if (_active_notes) {
887 return;
888 }
889
890 if (!_model) {
891 cerr << "MidiRegionView::redisplay_model called without a model" << endmsg;
892 return;
893 }
894
895 for (Events::iterator i = _events.begin(); i != _events.end(); ++i) {
896 (*i)->invalidate ();
897 }
898
899 MidiModel::ReadLock lock(_model->read_lock());
900
901 MidiModel::Notes& notes (_model->notes());
902 _optimization_iterator = _events.begin();
903
904 for (MidiModel::Notes::iterator n = notes.begin(); n != notes.end(); ++n) {
905
906 boost::shared_ptr<NoteType> note (*n);
907 CanvasNoteEvent* cne;
908 bool visible;
909
910 if (note_in_region_range (note, visible)) {
911
912 if ((cne = find_canvas_note (note)) != 0) {
913
914 cne->validate ();
915
916 CanvasNote* cn;
917 CanvasHit* ch;
918
919 if ((cn = dynamic_cast<CanvasNote*>(cne)) != 0) {
920 update_note (cn);
921 } else if ((ch = dynamic_cast<CanvasHit*>(cne)) != 0) {
922 update_hit (ch);
923 }
924
925 if (visible) {
926 cne->show ();
927 } else {
928 cne->hide ();
929 }
930
931 } else {
932
933 add_note (note, visible);
934 }
935
936 } else {
937
938 if ((cne = find_canvas_note (note)) != 0) {
939 cne->validate ();
940 cne->hide ();
941 }
942 }
943 }
944
945
946 /* remove note items that are no longer valid */
947
948 for (Events::iterator i = _events.begin(); i != _events.end(); ) {
949 if (!(*i)->valid ()) {
950 delete *i;
951 i = _events.erase (i);
952 } else {
953 ++i;
954 }
955 }
956
957 display_sysexes();
958 display_program_changes();
959
960 _marked_for_selection.clear ();
961 _marked_for_velocity.clear ();
962
963 /* we may have caused _events to contain things out of order (e.g. if a note
964 moved earlier or later). we don't generally need them in time order, but
965 make a note that a sort is required for those cases that require it.
966 */
967
968 _sort_needed = true;
969 }
970
971 void
972 MidiRegionView::display_program_changes()
973 {
974 boost::shared_ptr<Evoral::Control> control = _model->control(MidiPgmChangeAutomation);
975 if (!control) {
976 return;
977 }
978
979 Glib::Mutex::Lock lock (control->list()->lock());
980
981 uint8_t channel = control->parameter().channel();
982
983 for (AutomationList::const_iterator event = control->list()->begin();
984 event != control->list()->end(); ++event) {
985 double event_time = (*event)->when;
986 double program_number = floor((*event)->value + 0.5);
987
988 // Get current value of bank select MSB at time of the program change
989 Evoral::Parameter bank_select_msb(MidiCCAutomation, channel, MIDI_CTL_MSB_BANK);
990 boost::shared_ptr<Evoral::Control> msb_control = _model->control(bank_select_msb);
991 uint8_t msb = 0;
992 if (msb_control != 0) {
993 msb = uint8_t(floor(msb_control->get_float(true, event_time) + 0.5));
994 }
995
996 // Get current value of bank select LSB at time of the program change
997 Evoral::Parameter bank_select_lsb(MidiCCAutomation, channel, MIDI_CTL_LSB_BANK);
998 boost::shared_ptr<Evoral::Control> lsb_control = _model->control(bank_select_lsb);
999 uint8_t lsb = 0;
1000 if (lsb_control != 0) {
1001 lsb = uint8_t(floor(lsb_control->get_float(true, event_time) + 0.5));
1002 }
1003
1004 MIDI::Name::PatchPrimaryKey patch_key(msb, lsb, program_number);
1005
1006 boost::shared_ptr<MIDI::Name::Patch> patch =
1007 MIDI::Name::MidiPatchManager::instance().find_patch(
1008 _model_name, _custom_device_mode, channel, patch_key);
1009
1010 PCEvent program_change(event_time, uint8_t(program_number), channel);
1011
1012 if (patch != 0) {
1013 add_pgm_change(program_change, patch->name());
1014 } else {
1015 char buf[4];
1016 snprintf(buf, 4, "%d", int(program_number));
1017 add_pgm_change(program_change, buf);
1018 }
1019 }
1020 }
1021
1022 void
1023 MidiRegionView::display_sysexes()
1024 {
1025 for (MidiModel::SysExes::const_iterator i = _model->sysexes().begin(); i != _model->sysexes().end(); ++i) {
1026 Evoral::MusicalTime time = (*i)->time();
1027 assert(time >= 0);
1028
1029 ostringstream str;
1030 str << hex;
1031 for (uint32_t b = 0; b < (*i)->size(); ++b) {
1032 str << int((*i)->buffer()[b]);
1033 if (b != (*i)->size() -1) {
1034 str << " ";
1035 }
1036 }
1037 string text = str.str();
1038
1039 ArdourCanvas::Group* const group = (ArdourCanvas::Group*)get_canvas_group();
1040
1041 const double x = trackview.editor().frame_to_pixel(beats_to_frames(time));
1042
1043 double height = midi_stream_view()->contents_height();
1044
1045 boost::shared_ptr<CanvasSysEx> sysex = boost::shared_ptr<CanvasSysEx>(
1046 new CanvasSysEx(*this, *group, text, height, x, 1.0));
1047
1048 // Show unless program change is beyond the region bounds
1049 if (time - _region->start() >= _region->length() || time < _region->start()) {
1050 sysex->hide();
1051 } else {
1052 sysex->show();
1053 }
1054
1055 _sys_exes.push_back(sysex);
1056 }
1057 }
1058
1059
1060 MidiRegionView::~MidiRegionView ()
1061 {
1062 in_destructor = true;
1063
1064 note_delete_connection.disconnect ();
1065
1066 delete _list_editor;
1067
1068 RegionViewGoingAway (this); /* EMIT_SIGNAL */
1069
1070 if (_active_notes) {
1071 end_write();
1072 }
1073
1074 _selection.clear();
1075 clear_events();
1076 delete _note_group;
1077 delete _diff_command;
1078 }
1079
1080 void
1081 MidiRegionView::region_resized (const PropertyChange& what_changed)
1082 {
1083 RegionView::region_resized(what_changed);
1084
1085 if (what_changed.contains (ARDOUR::Properties::position)) {
1086 set_duration(_region->length(), 0);
1087 if (_enable_display) {
1088 redisplay_model();
1089 }
1090 }
1091 }
1092
1093 void
1094 MidiRegionView::reset_width_dependent_items (double pixel_width)
1095 {
1096 RegionView::reset_width_dependent_items(pixel_width);
1097 assert(_pixel_width == pixel_width);
1098
1099 if (_enable_display) {
1100 redisplay_model();
1101 }
1102 }
1103
1104 void
1105 MidiRegionView::set_height (double height)
1106 {
1107 static const double FUDGE = 2.0;
1108 const double old_height = _height;
1109 RegionView::set_height(height);
1110 _height = height - FUDGE;
1111
1112 apply_note_range(midi_stream_view()->lowest_note(),
1113 midi_stream_view()->highest_note(),
1114 height != old_height + FUDGE);
1115
1116 if (name_pixbuf) {
1117 name_pixbuf->raise_to_top();
1118 }
1119 }
1120
1121
1122 /** Apply the current note range from the stream view
1123 * by repositioning/hiding notes as necessary
1124 */
1125 void
1126 MidiRegionView::apply_note_range (uint8_t min, uint8_t max, bool force)
1127 {
1128 if (!_enable_display) {
1129 return;
1130 }
1131
1132 if (!force && _current_range_min == min && _current_range_max == max) {
1133 return;
1134 }
1135
1136 _current_range_min = min;
1137 _current_range_max = max;
1138
1139 for (Events::const_iterator i = _events.begin(); i != _events.end(); ++i) {
1140 CanvasNoteEvent* event = *i;
1141 boost::shared_ptr<NoteType> note (event->note());
1142
1143 if (note->note() < _current_range_min ||
1144 note->note() > _current_range_max) {
1145 event->hide();
1146 } else {
1147 event->show();
1148 }
1149
1150 if (CanvasNote* cnote = dynamic_cast<CanvasNote*>(event)) {
1151
1152 const double y1 = midi_stream_view()->note_to_y(note->note());
1153 const double y2 = y1 + floor(midi_stream_view()->note_height());
1154
1155 cnote->property_y1() = y1;
1156 cnote->property_y2() = y2;
1157
1158 } else if (CanvasHit* chit = dynamic_cast<CanvasHit*>(event)) {
1159
1160 double x = trackview.editor().frame_to_pixel(
1161 beats_to_frames(note->time()) - _region->start());
1162 const double diamond_size = midi_stream_view()->note_height() / 2.0;
1163 double y = midi_stream_view()->note_to_y(event->note()->note())
1164 + ((diamond_size-2.0) / 4.0);
1165
1166 chit->set_height (diamond_size);
1167 chit->move (x - chit->x1(), y - chit->y1());
1168 chit->show ();
1169 }
1170 }
1171 }
1172
1173 GhostRegion*
1174 MidiRegionView::add_ghost (TimeAxisView& tv)
1175 {
1176 CanvasNote* note;
1177
1178 double unit_position = _region->position () / samples_per_unit;
1179 MidiTimeAxisView* mtv = dynamic_cast<MidiTimeAxisView*>(&tv);
1180 MidiGhostRegion* ghost;
1181
1182 if (mtv && mtv->midi_view()) {
1183 /* if ghost is inserted into midi track, use a dedicated midi ghost canvas group
1184 to allow having midi notes on top of note lines and waveforms.
1185 */
1186 ghost = new MidiGhostRegion (*mtv->midi_view(), trackview, unit_position);
1187 } else {
1188 ghost = new MidiGhostRegion (tv, trackview, unit_position);
1189 }
1190
1191 ghost->set_height ();
1192 ghost->set_duration (_region->length() / samples_per_unit);
1193 ghosts.push_back (ghost);
1194
1195 for (Events::iterator i = _events.begin(); i != _events.end(); ++i) {
1196 if ((note = dynamic_cast<CanvasNote*>(*i)) != 0) {
1197 ghost->add_note(note);
1198 }
1199 }
1200
1201 GhostRegion::CatchDeletion.connect (*this, invalidator (*this), ui_bind (&RegionView::remove_ghost, this, _1), gui_context());
1202
1203 return ghost;
1204 }
1205
1206
1207 /** Begin tracking note state for successive calls to add_event
1208 */
1209 void
1210 MidiRegionView::begin_write()
1211 {
1212 assert(!_active_notes);
1213 _active_notes = new CanvasNote*[128];
1214 for (unsigned i=0; i < 128; ++i) {
1215 _active_notes[i] = 0;
1216 }
1217 }
1218
1219
1220 /** Destroy note state for add_event
1221 */
1222 void
1223 MidiRegionView::end_write()
1224 {
1225 delete[] _active_notes;
1226 _active_notes = 0;
1227 _marked_for_selection.clear();
1228 _marked_for_velocity.clear();
1229 }
1230
1231
1232 /** Resolve an active MIDI note (while recording).
1233 */
1234 void
1235 MidiRegionView::resolve_note(uint8_t note, double end_time)
1236 {
1237 if (midi_view()->note_mode() != Sustained) {
1238 return;
1239 }
1240
1241 if (_active_notes && _active_notes[note]) {
1242 const nframes64_t end_time_frames = beats_to_frames(end_time);
1243 _active_notes[note]->property_x2() = trackview.editor().frame_to_pixel(end_time_frames);
1244 _active_notes[note]->property_outline_what() = (guint32) 0xF; // all edges
1245 _active_notes[note] = 0;
1246 }
1247 }
1248
1249
1250 /** Extend active notes to rightmost edge of region (if length is changed)
1251 */
1252 void
1253 MidiRegionView::extend_active_notes()
1254 {
1255 if (!_active_notes) {
1256 return;
1257 }
1258
1259 for (unsigned i=0; i < 128; ++i) {
1260 if (_active_notes[i]) {
1261 _active_notes[i]->property_x2() = trackview.editor().frame_to_pixel(_region->length());
1262 }
1263 }
1264 }
1265
1266 void
1267 MidiRegionView::play_midi_note(boost::shared_ptr<NoteType> note)
1268 {
1269 if (no_sound_notes || !trackview.editor().sound_notes()) {
1270 return;
1271 }
1272
1273 RouteUI* route_ui = dynamic_cast<RouteUI*> (&trackview);
1274 assert(route_ui);
1275
1276 route_ui->midi_track()->write_immediate_event(
1277 note->on_event().size(), note->on_event().buffer());
1278
1279 const double note_length_beats = (note->off_event().time() - note->on_event().time());
1280 nframes_t note_length_ms = beats_to_frames(note_length_beats)
1281 * (1000 / (double)route_ui->session()->nominal_frame_rate());
1282 Glib::signal_timeout().connect(sigc::bind(sigc::mem_fun(this, &MidiRegionView::play_midi_note_off), note),
1283 note_length_ms, G_PRIORITY_DEFAULT);
1284 }
1285
1286 bool
1287 MidiRegionView::play_midi_note_off(boost::shared_ptr<NoteType> note)
1288 {
1289 RouteUI* route_ui = dynamic_cast<RouteUI*> (&trackview);
1290 assert(route_ui);
1291
1292 route_ui->midi_track()->write_immediate_event(
1293 note->off_event().size(), note->off_event().buffer());
1294
1295 return false;
1296 }
1297
1298 bool
1299 MidiRegionView::note_in_region_range(const boost::shared_ptr<NoteType> note, bool& visible) const
1300 {
1301 const nframes64_t note_start_frames = beats_to_frames(note->time());
1302
1303 bool outside = (note_start_frames - _region->start() >= _region->length()) ||
1304 (note_start_frames < _region->start());
1305
1306 visible = (note->note() >= midi_stream_view()->lowest_note()) &&
1307 (note->note() <= midi_stream_view()->highest_note());
1308
1309 return !outside;
1310 }
1311
1312 void
1313 MidiRegionView::update_note (CanvasNote* ev)
1314 {
1315 boost::shared_ptr<NoteType> note = ev->note();
1316
1317 const nframes64_t note_start_frames = beats_to_frames(note->time());
1318 const nframes64_t note_end_frames = beats_to_frames(note->end_time());
1319
1320 const double x = trackview.editor().frame_to_pixel(note_start_frames - _region->start());
1321 const double y1 = midi_stream_view()->note_to_y(note->note());
1322 const double note_endpixel = trackview.editor().frame_to_pixel(note_end_frames - _region->start());
1323
1324 ev->property_x1() = x;
1325 ev->property_y1() = y1;
1326 if (note->length() > 0) {
1327 ev->property_x2() = note_endpixel;
1328 } else {
1329 ev->property_x2() = trackview.editor().frame_to_pixel(_region->length());
1330 }
1331 ev->property_y2() = y1 + floor(midi_stream_view()->note_height());
1332
1333 if (note->length() == 0) {
1334 if (_active_notes) {
1335 assert(note->note() < 128);
1336 // If this note is already active there's a stuck note,
1337 // finish the old note rectangle
1338 if (_active_notes[note->note()]) {
1339 CanvasNote* const old_rect = _active_notes[note->note()];
1340 boost::shared_ptr<NoteType> old_note = old_rect->note();
1341 old_rect->property_x2() = x;
1342 old_rect->property_outline_what() = (guint32) 0xF;
1343 }
1344 _active_notes[note->note()] = ev;
1345 }
1346 /* outline all but right edge */
1347 ev->property_outline_what() = (guint32) (0x1 & 0x4 & 0x8);
1348 } else {
1349 /* outline all edges */
1350 ev->property_outline_what() = (guint32) 0xF;
1351 }
1352 }
1353
1354 void
1355 MidiRegionView::update_hit (CanvasHit* ev)
1356 {
1357 boost::shared_ptr<NoteType> note = ev->note();
1358
1359 const nframes64_t note_start_frames = beats_to_frames(note->time());
1360 const double x = trackview.editor().frame_to_pixel(note_start_frames - _region->start());
1361 const double diamond_size = midi_stream_view()->note_height() / 2.0;
1362 const double y = midi_stream_view()->note_to_y(note->note()) + ((diamond_size-2) / 4.0);
1363
1364 ev->move_to (x, y);
1365 }
1366
1367 /** Add a MIDI note to the view (with length).
1368 *
1369 * If in sustained mode, notes with length 0 will be considered active
1370 * notes, and resolve_note should be called when the corresponding note off
1371 * event arrives, to properly display the note.
1372 */
1373 void
1374 MidiRegionView::add_note(const boost::shared_ptr<NoteType> note, bool visible)
1375 {
1376 CanvasNoteEvent* event = 0;
1377
1378 assert(note->time() >= 0);
1379 assert(midi_view()->note_mode() == Sustained || midi_view()->note_mode() == Percussive);
1380
1381 ArdourCanvas::Group* const group = (ArdourCanvas::Group*)get_canvas_group();
1382
1383 if (midi_view()->note_mode() == Sustained) {
1384
1385 CanvasNote* ev_rect = new CanvasNote(*this, *group, note);
1386
1387 update_note (ev_rect);
1388
1389 event = ev_rect;
1390
1391 MidiGhostRegion* gr;
1392
1393 for (std::vector<GhostRegion*>::iterator g = ghosts.begin(); g != ghosts.end(); ++g) {
1394 if ((gr = dynamic_cast<MidiGhostRegion*>(*g)) != 0) {
1395 gr->add_note(ev_rect);
1396 }
1397 }
1398
1399 } else if (midi_view()->note_mode() == Percussive) {
1400
1401 const double diamond_size = midi_stream_view()->note_height() / 2.0;
1402
1403 CanvasHit* ev_diamond = new CanvasHit(*this, *group, diamond_size, note);
1404
1405 update_hit (ev_diamond);
1406
1407 event = ev_diamond;
1408
1409 } else {
1410 event = 0;
1411 }
1412
1413 if (event) {
1414 if (_marked_for_selection.find(note) != _marked_for_selection.end()) {
1415 note_selected(event, true);
1416 }
1417
1418 if (_marked_for_velocity.find(note) != _marked_for_velocity.end()) {
1419 event->show_velocity();
1420 }
1421 event->on_channel_selection_change(_last_channel_selection);
1422 _events.push_back(event);
1423
1424 if (visible) {
1425 event->show();
1426 } else {
1427 event->hide ();
1428 }
1429 }
1430 }
1431
1432 void
1433 MidiRegionView::add_note (uint8_t channel, uint8_t number, uint8_t velocity,
1434 Evoral::MusicalTime pos, Evoral::MusicalTime len)
1435 {
1436 boost::shared_ptr<NoteType> new_note (new NoteType (channel, pos, len, number, velocity));
1437
1438 start_diff_command (_("step add"));
1439 diff_add_note (new_note, true, false);
1440 apply_diff();
1441
1442 /* potentially extend region to hold new note */
1443
1444 nframes64_t end_frame = _region->position() + beats_to_frames (new_note->end_time());
1445 nframes64_t region_end = _region->position() + _region->length() - 1;
1446
1447 if (end_frame > region_end) {
1448 _region->set_length (end_frame, this);
1449 } else {
1450 redisplay_model ();
1451 }
1452 }
1453
1454 void
1455 MidiRegionView::add_pgm_change(PCEvent& program, const string& displaytext)
1456 {
1457 assert(program.time >= 0);
1458
1459 ArdourCanvas::Group* const group = (ArdourCanvas::Group*)get_canvas_group();
1460 const double x = trackview.editor().frame_to_pixel(beats_to_frames(program.time));
1461
1462 double height = midi_stream_view()->contents_height();
1463
1464 boost::shared_ptr<CanvasProgramChange> pgm_change = boost::shared_ptr<CanvasProgramChange>(
1465 new CanvasProgramChange(*this, *group,
1466 displaytext,
1467 height,
1468 x, 1.0,
1469 _model_name,
1470 _custom_device_mode,
1471 program.time, program.channel, program.value));
1472
1473 // Show unless program change is beyond the region bounds
1474 if (program.time - _region->start() >= _region->length() || program.time < _region->start()) {
1475 pgm_change->hide();
1476 } else {
1477 pgm_change->show();
1478 }
1479
1480 _pgm_changes.push_back(pgm_change);
1481 }
1482
1483 void
1484 MidiRegionView::get_patch_key_at(double time, uint8_t channel, MIDI::Name::PatchPrimaryKey& key)
1485 {
1486 cerr << "getting patch key at " << time << " for channel " << channel << endl;
1487 Evoral::Parameter bank_select_msb(MidiCCAutomation, channel, MIDI_CTL_MSB_BANK);
1488 boost::shared_ptr<Evoral::Control> msb_control = _model->control(bank_select_msb);
1489 float msb = -1.0;
1490 if (msb_control != 0) {
1491 msb = int(msb_control->get_float(true, time));
1492 cerr << "got msb " << msb;
1493 }
1494
1495 Evoral::Parameter bank_select_lsb(MidiCCAutomation, channel, MIDI_CTL_LSB_BANK);
1496 boost::shared_ptr<Evoral::Control> lsb_control = _model->control(bank_select_lsb);
1497 float lsb = -1.0;
1498 if (lsb_control != 0) {
1499 lsb = lsb_control->get_float(true, time);
1500 cerr << " got lsb " << lsb;
1501 }
1502
1503 Evoral::Parameter program_change(MidiPgmChangeAutomation, channel, 0);
1504 boost::shared_ptr<Evoral::Control> program_control = _model->control(program_change);
1505 float program_number = -1.0;
1506 if (program_control != 0) {
1507 program_number = program_control->get_float(true, time);
1508 cerr << " got program " << program_number << endl;
1509 }
1510
1511 key.msb = (int) floor(msb + 0.5);
1512 key.lsb = (int) floor(lsb + 0.5);
1513 key.program_number = (int) floor(program_number + 0.5);
1514 assert(key.is_sane());
1515 }
1516
1517
1518 void
1519 MidiRegionView::alter_program_change(PCEvent& old_program, const MIDI::Name::PatchPrimaryKey& new_patch)
1520 {
1521 // TODO: Get the real event here and alter them at the original times
1522 Evoral::Parameter bank_select_msb(MidiCCAutomation, old_program.channel, MIDI_CTL_MSB_BANK);
1523 boost::shared_ptr<Evoral::Control> msb_control = _model->control(bank_select_msb);
1524 if (msb_control != 0) {
1525 msb_control->set_float(float(new_patch.msb), true, old_program.time);
1526 }
1527
1528 // TODO: Get the real event here and alter them at the original times
1529 Evoral::Parameter bank_select_lsb(MidiCCAutomation, old_program.channel, MIDI_CTL_LSB_BANK);
1530 boost::shared_ptr<Evoral::Control> lsb_control = _model->control(bank_select_lsb);
1531 if (lsb_control != 0) {
1532 lsb_control->set_float(float(new_patch.lsb), true, old_program.time);
1533 }
1534
1535 Evoral::Parameter program_change(MidiPgmChangeAutomation, old_program.channel, 0);
1536 boost::shared_ptr<Evoral::Control> program_control = _model->control(program_change);
1537
1538 assert(program_control != 0);
1539 program_control->set_float(float(new_patch.program_number), true, old_program.time);
1540
1541 redisplay_model();
1542 }
1543
1544 void
1545 MidiRegionView::program_selected(CanvasProgramChange& program, const MIDI::Name::PatchPrimaryKey& new_patch)
1546 {
1547 PCEvent program_change_event(program.event_time(), program.program(), program.channel());
1548 alter_program_change(program_change_event, new_patch);
1549 }
1550
1551 void
1552 MidiRegionView::previous_program(CanvasProgramChange& program)
1553 {
1554 MIDI::Name::PatchPrimaryKey key;
1555 get_patch_key_at(program.event_time(), program.channel(), key);
1556
1557 boost::shared_ptr<MIDI::Name::Patch> patch =
1558 MIDI::Name::MidiPatchManager::instance().previous_patch(
1559 _model_name,
1560 _custom_device_mode,
1561 program.channel(),
1562 key);
1563
1564 PCEvent program_change_event(program.event_time(), program.program(), program.channel());
1565 if (patch) {
1566 alter_program_change(program_change_event, patch->patch_primary_key());
1567 }
1568 }
1569
1570 void
1571 MidiRegionView::next_program(CanvasProgramChange& program)
1572 {
1573 MIDI::Name::PatchPrimaryKey key;
1574 get_patch_key_at(program.event_time(), program.channel(), key);
1575
1576 boost::shared_ptr<MIDI::Name::Patch> patch =
1577 MIDI::Name::MidiPatchManager::instance().next_patch(
1578 _model_name,
1579 _custom_device_mode,
1580 program.channel(),
1581 key);
1582
1583 PCEvent program_change_event(program.event_time(), program.program(), program.channel());
1584 if (patch) {
1585 alter_program_change(program_change_event, patch->patch_primary_key());
1586 }
1587 }
1588
1589 void
1590 MidiRegionView::maybe_remove_deleted_note_from_selection (CanvasNoteEvent* cne)
1591 {
1592 if (_selection.empty()) {
1593 return;
1594 }
1595
1596 if (_selection.erase (cne) > 0) {
1597 cerr << "Erased a CNE from selection\n";
1598 }
1599 }
1600
1601 void
1602 MidiRegionView::delete_selection()
1603 {
1604 if (_selection.empty()) {
1605 return;
1606 }
1607
1608 start_diff_command (_("delete selection"));
1609
1610 for (Selection::iterator i = _selection.begin(); i != _selection.end(); ++i) {
1611 if ((*i)->selected()) {
1612 _diff_command->remove((*i)->note());
1613 }
1614 }
1615
1616 _selection.clear();
1617
1618 apply_diff ();
1619 }
1620
1621 void
1622 MidiRegionView::delete_note (boost::shared_ptr<NoteType> n)
1623 {
1624 start_diff_command (_("delete note"));
1625 _diff_command->remove (n);
1626 apply_diff ();
1627
1628 trackview.editor().hide_verbose_canvas_cursor ();
1629 }
1630
1631 void
1632 MidiRegionView::clear_selection_except(ArdourCanvas::CanvasNoteEvent* ev)
1633 {
1634 for (Selection::iterator i = _selection.begin(); i != _selection.end(); ++i) {
1635 if ((*i)->selected() && (*i) != ev) {
1636 (*i)->selected(false);
1637 (*i)->hide_velocity();
1638 }
1639 }
1640
1641 _selection.clear();
1642 }
1643
1644 void
1645 MidiRegionView::unique_select(ArdourCanvas::CanvasNoteEvent* ev)
1646 {
1647 for (Selection::iterator i = _selection.begin(); i != _selection.end(); ) {
1648 if ((*i) != ev) {
1649
1650 Selection::iterator tmp = i;
1651 ++tmp;
1652
1653 (*i)->selected (false);
1654 _selection.erase (i);
1655
1656 i = tmp;
1657
1658 } else {
1659 ++i;
1660 }
1661 }
1662
1663 /* don't bother with removing this regionview from the editor selection,
1664 since we're about to add another note, and thus put/keep this
1665 regionview in the editor selection.
1666 */
1667
1668 if (!ev->selected()) {
1669 add_to_selection (ev);
1670 }
1671 }
1672
1673 void
1674 MidiRegionView::select_matching_notes (uint8_t notenum, uint16_t channel_mask, bool add, bool extend)
1675 {
1676 uint8_t low_note = 127;
1677 uint8_t high_note = 0;
1678 MidiModel::Notes& notes (_model->notes());
1679 _optimization_iterator = _events.begin();
1680
1681 if (!add) {
1682 clear_selection ();
1683 }
1684
1685 if (extend && _selection.empty()) {
1686 extend = false;
1687 }
1688
1689 if (extend) {
1690
1691 /* scan existing selection to get note range */
1692
1693 for (Selection::iterator i = _selection.begin(); i != _selection.end(); ++i) {
1694 if ((*i)->note()->note() < low_note) {
1695 low_note = (*i)->note()->note();
1696 }
1697 if ((*i)->note()->note() > high_note) {
1698 high_note = (*i)->note()->note();
1699 }
1700 }
1701
1702 low_note = min (low_note, notenum);
1703 high_note = max (high_note, notenum);
1704 }
1705
1706 no_sound_notes = true;
1707
1708 for (MidiModel::Notes::iterator n = notes.begin(); n != notes.end(); ++n) {
1709
1710 boost::shared_ptr<NoteType> note (*n);
1711 CanvasNoteEvent* cne;
1712 bool select = false;
1713
1714 if (((1 << note->channel()) & channel_mask) != 0) {
1715 if (extend) {
1716 if ((note->note() >= low_note && note->note() <= high_note)) {
1717 select = true;
1718 }
1719 } else if (note->note() == notenum) {
1720 select = true;
1721 }
1722 }
1723
1724 if (select) {
1725 if ((cne = find_canvas_note (note)) != 0) {
1726 // extend is false because we've taken care of it,
1727 // since it extends by time range, not pitch.
1728 note_selected (cne, add, false);
1729 }
1730 }
1731
1732 add = true; // we need to add all remaining matching notes, even if the passed in value was false (for "set")
1733
1734 }
1735
1736 no_sound_notes = false;
1737 }
1738
1739 void
1740 MidiRegionView::toggle_matching_notes (uint8_t notenum, uint16_t channel_mask)
1741 {
1742 MidiModel::Notes& notes (_model->notes());
1743 _optimization_iterator = _events.begin();
1744
1745 for (MidiModel::Notes::iterator n = notes.begin(); n != notes.end(); ++n) {
1746
1747 boost::shared_ptr<NoteType> note (*n);
1748 CanvasNoteEvent* cne;
1749
1750 if (note->note() == notenum && (((0x0001 << note->channel()) & channel_mask) != 0)) {
1751 if ((cne = find_canvas_note (note)) != 0) {
1752 if (cne->selected()) {
1753 note_deselected (cne);
1754 } else {
1755 note_selected (cne, true, false);
1756 }
1757 }
1758 }
1759 }
1760 }
1761
1762 void
1763 MidiRegionView::note_selected(ArdourCanvas::CanvasNoteEvent* ev, bool add, bool extend)
1764 {
1765 if (!add) {
1766 clear_selection_except(ev);
1767 }
1768
1769 if (!extend) {
1770
1771 if (!ev->selected()) {
1772 add_to_selection (ev);
1773 }
1774
1775 } else {
1776 /* find end of latest note selected, select all between that and the start of "ev" */
1777
1778 Evoral::MusicalTime earliest = DBL_MAX;
1779 Evoral::MusicalTime latest = 0;
1780
1781 for (Selection::iterator i = _selection.begin(); i != _selection.end(); ++i) {
1782 if ((*i)->note()->end_time() > latest) {
1783 latest = (*i)->note()->end_time();
1784 }
1785 if ((*i)->note()->time() < earliest) {
1786 earliest = (*i)->note()->time();
1787 }
1788 }
1789
1790 if (ev->note()->end_time() > latest) {
1791 latest = ev->note()->end_time();
1792 }
1793
1794 if (ev->note()->time() < earliest) {
1795 earliest = ev->note()->time();
1796 }
1797
1798 for (Events::iterator i = _events.begin(); i != _events.end(); ++i) {
1799
1800 /* find notes entirely within OR spanning the earliest..latest range */
1801
1802 if (((*i)->note()->time() >= earliest && (*i)->note()->end_time() <= latest) ||
1803 ((*i)->note()->time() <= earliest && (*i)->note()->end_time() >= latest)) {
1804 add_to_selection (*i);
1805 }
1806
1807 #if 0
1808 /* if events were guaranteed to be time sorted, we could do this.
1809 but as of sept 10th 2009, they no longer are.
1810 */
1811
1812 if ((*i)->note()->time() > latest) {
1813 break;
1814 }
1815 #endif
1816 }
1817 }
1818 }
1819
1820 void
1821 MidiRegionView::note_deselected(ArdourCanvas::CanvasNoteEvent* ev)
1822 {
1823 remove_from_selection (ev);
1824 }
1825
1826 void
1827 MidiRegionView::update_drag_selection(double x1, double x2, double y1, double y2)
1828 {
1829 if (x1 > x2) {
1830 swap (x1, x2);
1831 }
1832
1833 if (y1 > y2) {
1834 swap (y1, y2);
1835 }
1836
1837 // TODO: Make this faster by storing the last updated selection rect, and only
1838 // adjusting things that are in the area that appears/disappeared.
1839 // We probably need a tree to be able to find events in O(log(n)) time.
1840
1841 for (Events::iterator i = _events.begin(); i != _events.end(); ++i) {
1842
1843 /* check if any corner of the note is inside the rect
1844
1845 Notes:
1846 1) this is computing "touched by", not "contained by" the rect.
1847 2) this does not require that events be sorted in time.
1848 */
1849
1850 const double ix1 = (*i)->x1();
1851 const double ix2 = (*i)->x2();
1852 const double iy1 = (*i)->y1();
1853 const double iy2 = (*i)->y2();
1854
1855 if ((ix1 >= x1 && ix1 <= x2 && iy1 >= y1 && iy1 <= y2) ||
1856 (ix1 >= x1 && ix1 <= x2 && iy2 >= y1 && iy2 <= y2) ||
1857 (ix2 >= x1 && ix2 <= x2 && iy1 >= y1 && iy1 <= y2) ||
1858 (ix2 >= x1 && ix2 <= x2 && iy2 >= y1 && iy2 <= y2)) {
1859
1860 // Inside rectangle
1861 if (!(*i)->selected()) {
1862 add_to_selection (*i);
1863 }
1864 } else if ((*i)->selected()) {
1865 // Not inside rectangle
1866 remove_from_selection (*i);
1867 }
1868 }
1869 }
1870
1871 void
1872 MidiRegionView::remove_from_selection (CanvasNoteEvent* ev)
1873 {
1874 Selection::iterator i = _selection.find (ev);
1875
1876 if (i != _selection.end()) {
1877 _selection.erase (i);
1878 }
1879
1880 ev->selected (false);
1881 ev->hide_velocity ();
1882
1883 if (_selection.empty()) {
1884 PublicEditor& editor (trackview.editor());
1885 editor.get_selection().remove (this);
1886 }
1887 }
1888
1889 void
1890 MidiRegionView::add_to_selection (CanvasNoteEvent* ev)
1891 {
1892 bool add_mrv_selection = false;
1893
1894 if (_selection.empty()) {
1895 add_mrv_selection = true;
1896 }
1897
1898 if (_selection.insert (ev).second) {
1899 ev->selected (true);
1900 play_midi_note ((ev)->note());
1901 }
1902
1903 if (add_mrv_selection) {
1904 PublicEditor& editor (trackview.editor());
1905 editor.get_selection().add (this);
1906 }
1907 }
1908
1909 void
1910 MidiRegionView::move_selection(double dx, double dy)
1911 {
1912 for (Selection::iterator i = _selection.begin(); i != _selection.end(); ++i) {
1913 (*i)->move_event(dx, dy);
1914 }
1915 }
1916
1917 void
1918 MidiRegionView::note_dropped(CanvasNoteEvent *, double dt, int8_t dnote)
1919 {
1920 assert (!_selection.empty());
1921
1922 uint8_t lowest_note_in_selection = 127;
1923 uint8_t highest_note_in_selection = 0;
1924 uint8_t highest_note_difference = 0;
1925
1926 // find highest and lowest notes first
1927
1928 for (Selection::iterator i = _selection.begin(); i != _selection.end(); ++i) {
1929 uint8_t pitch = (*i)->note()->note();
1930 lowest_note_in_selection = std::min(lowest_note_in_selection, pitch);
1931 highest_note_in_selection = std::max(highest_note_in_selection, pitch);
1932 }
1933
1934 /*
1935 cerr << "dnote: " << (int) dnote << endl;
1936 cerr << "lowest note (streamview): " << int(midi_stream_view()->lowest_note())
1937 << " highest note (streamview): " << int(midi_stream_view()->highest_note()) << endl;
1938 cerr << "lowest note (selection): " << int(lowest_note_in_selection) << " highest note(selection): "
1939 << int(highest_note_in_selection) << endl;
1940 cerr << "selection size: " << _selection.size() << endl;
1941 cerr << "Highest note in selection: " << (int) highest_note_in_selection << endl;
1942 */
1943
1944 // Make sure the note pitch does not exceed the MIDI standard range
1945 if (highest_note_in_selection + dnote > 127) {
1946 highest_note_difference = highest_note_in_selection - 127;
1947 }
1948
1949 start_diff_command(_("move notes"));
1950
1951 for (Selection::iterator i = _selection.begin(); i != _selection.end() ; ++i) {
1952
1953 nframes64_t start_frames = beats_to_frames((*i)->note()->time());
1954
1955 if (dt >= 0) {
1956 start_frames += snap_frame_to_frame(trackview.editor().pixel_to_frame(dt));
1957 } else {
1958 start_frames -= snap_frame_to_frame(trackview.editor().pixel_to_frame(-dt));
1959 }
1960
1961 Evoral::MusicalTime new_time = frames_to_beats(start_frames);
1962
1963 if (new_time < 0) {
1964 continue;
1965 }
1966
1967 diff_add_change (*i, MidiModel::DiffCommand::StartTime, new_time);
1968
1969 uint8_t original_pitch = (*i)->note()->note();
1970 uint8_t new_pitch = original_pitch + dnote - highest_note_difference;
1971
1972 // keep notes in standard midi range
1973 clamp_to_0_127(new_pitch);
1974
1975 // keep original pitch if note is dragged outside valid midi range
1976 if ((original_pitch != 0 && new_pitch == 0)
1977 || (original_pitch != 127 && new_pitch == 127)) {
1978 new_pitch = original_pitch;
1979 }
1980
1981 lowest_note_in_selection = std::min(lowest_note_in_selection, new_pitch);
1982 highest_note_in_selection = std::max(highest_note_in_selection, new_pitch);
1983
1984 diff_add_change (*i, MidiModel::DiffCommand::NoteNumber, new_pitch);
1985 }
1986
1987 apply_diff();
1988
1989 // care about notes being moved beyond the upper/lower bounds on the canvas
1990 if (lowest_note_in_selection < midi_stream_view()->lowest_note() ||
1991 highest_note_in_selection > midi_stream_view()->highest_note()) {
1992 midi_stream_view()->set_note_range(MidiStreamView::ContentsRange);
1993 }
1994 }
1995
1996 nframes64_t
1997 MidiRegionView::snap_pixel_to_frame(double x)
1998 {
1999 PublicEditor& editor = trackview.editor();
2000 // x is region relative, convert it to global absolute frames
2001 nframes64_t frame = editor.pixel_to_frame(x) + _region->position();
2002 editor.snap_to(frame);
2003 return frame - _region->position(); // convert back to region relative
2004 }
2005
2006 nframes64_t
2007 MidiRegionView::snap_frame_to_frame(nframes64_t x)
2008 {
2009 PublicEditor& editor = trackview.editor();
2010 // x is region relative, convert it to global absolute frames
2011 nframes64_t frame = x + _region->position();
2012 editor.snap_to(frame);
2013 return frame - _region->position(); // convert back to region relative
2014 }
2015
2016 double
2017 MidiRegionView::snap_to_pixel(double x)
2018 {
2019 return (double) trackview.editor().frame_to_pixel(snap_pixel_to_frame(x));
2020 }
2021
2022 double
2023 MidiRegionView::get_position_pixels()
2024 {
2025 nframes64_t region_frame = get_position();
2026 return trackview.editor().frame_to_pixel(region_frame);
2027 }
2028
2029 double
2030 MidiRegionView::get_end_position_pixels()
2031 {
2032 nframes64_t frame = get_position() + get_duration ();
2033 return trackview.editor().frame_to_pixel(frame);
2034 }
2035
2036 nframes64_t
2037 MidiRegionView::beats_to_frames(double beats) const
2038 {
2039 return _time_converter.to(beats);
2040 }
2041
2042 double
2043 MidiRegionView::frames_to_beats(nframes64_t frames) const
2044 {
2045 return _time_converter.from(frames);
2046 }
2047
2048 void
2049 MidiRegionView::begin_resizing (bool /*at_front*/)
2050 {
2051 _resize_data.clear();
2052
2053 for (Selection::iterator i = _selection.begin(); i != _selection.end(); ++i) {
2054 CanvasNote *note = dynamic_cast<CanvasNote *> (*i);
2055
2056 // only insert CanvasNotes into the map
2057 if (note) {
2058 NoteResizeData *resize_data = new NoteResizeData();
2059 resize_data->canvas_note = note;
2060
2061 // create a new SimpleRect from the note which will be the resize preview
2062 SimpleRect *resize_rect = new SimpleRect(
2063 *group, note->x1(), note->y1(), note->x2(), note->y2());
2064
2065 // calculate the colors: get the color settings
2066 uint32_t fill_color = UINT_RGBA_CHANGE_A(
2067 ARDOUR_UI::config()->canvasvar_MidiNoteSelected.get(),
2068 128);
2069
2070 // make the resize preview notes more transparent and bright
2071 fill_color = UINT_INTERPOLATE(fill_color, 0xFFFFFF40, 0.5);
2072
2073 // calculate color based on note velocity
2074 resize_rect->property_fill_color_rgba() = UINT_INTERPOLATE(
2075 CanvasNoteEvent::meter_style_fill_color(note->note()->velocity()),
2076 fill_color,
2077 0.85);
2078
2079 resize_rect->property_outline_color_rgba() = CanvasNoteEvent::calculate_outline(
2080 ARDOUR_UI::config()->canvasvar_MidiNoteSelected.get());
2081
2082 resize_data->resize_rect = resize_rect;
2083 _resize_data.push_back(resize_data);
2084 }
2085 }
2086 }
2087
2088 /** Update resizing notes while user drags.
2089 * @param primary `primary' note for the drag; ie the one that is used as the reference in non-relative mode.
2090 * @param at_front which end of the note (true == note on, false == note off)
2091 * @param delta_x change in mouse position since the start of the drag
2092 * @param relative true if relative resizing is taking place, false if absolute resizing. This only makes
2093 * a difference when multiple notes are being resized; in relative mode, each note's length is changed by the
2094 * amount of the drag. In non-relative mode, all selected notes are set to have the same start or end point
2095 * as the \a primary note.
2096 */
2097 void
2098 MidiRegionView::update_resizing (ArdourCanvas::CanvasNote* primary, bool at_front, double delta_x, bool relative)
2099 {
2100 bool cursor_set = false;
2101
2102 for (std::vector<NoteResizeData *>::iterator i = _resize_data.begin(); i != _resize_data.end(); ++i) {
2103 SimpleRect* resize_rect = (*i)->resize_rect;
2104 CanvasNote* canvas_note = (*i)->canvas_note;
2105 double current_x;
2106
2107 if (at_front) {
2108 if (relative) {
2109 current_x = canvas_note->x1() + delta_x;
2110 } else {
2111 current_x = primary->x1() + delta_x;
2112 }
2113 } else {
2114 if (relative) {
2115 current_x = canvas_note->x2() + delta_x;
2116 } else {
2117 current_x = primary->x2() + delta_x;
2118 }
2119 }
2120
2121 if (at_front) {
2122 resize_rect->property_x1() = snap_to_pixel(current_x);
2123 resize_rect->property_x2() = canvas_note->x2();
2124 } else {
2125 resize_rect->property_x2() = snap_to_pixel(current_x);
2126 resize_rect->property_x1() = canvas_note->x1();
2127 }
2128
2129 if (!cursor_set) {
2130 double beats;
2131
2132 beats = snap_pixel_to_frame (current_x);
2133 beats = frames_to_beats (beats);
2134
2135 double len;
2136
2137 if (at_front) {
2138 if (beats < canvas_note->note()->end_time()) {
2139 len = canvas_note->note()->time() - beats;
2140 len += canvas_note->note()->length();
2141 } else {
2142 len = 0;
2143 }
2144 } else {
2145 if (beats >= canvas_note->note()->end_time()) {
2146 len = beats - canvas_note->note()->time();
2147 } else {
2148 len = 0;
2149 }
2150 }
2151
2152 char buf[16];
2153 snprintf (buf, sizeof (buf), "%.3g beats", len);
2154 trackview.editor().show_verbose_canvas_cursor_with (buf);
2155
2156 cursor_set = true;
2157 }
2158
2159 }
2160 }
2161
2162
2163 /** Finish resizing notes when the user releases the mouse button.
2164 * Parameters the same as for \a update_resizing().
2165 */
2166 void
2167 MidiRegionView::commit_resizing (ArdourCanvas::CanvasNote* primary, bool at_front, double delta_x, bool relative)
2168 {
2169 start_diff_command(_("resize notes"));
2170
2171 for (std::vector<NoteResizeData *>::iterator i = _resize_data.begin(); i != _resize_data.end(); ++i) {
2172 CanvasNote* canvas_note = (*i)->canvas_note;
2173 SimpleRect* resize_rect = (*i)->resize_rect;
2174 double current_x;
2175
2176 if (at_front) {
2177 if (relative) {
2178 current_x = canvas_note->x1() + delta_x;
2179 } else {
2180 current_x = primary->x1() + delta_x;
2181 }
2182 } else {
2183 if (relative) {
2184 current_x = canvas_note->x2() + delta_x;
2185 } else {
2186 current_x = primary->x2() + delta_x;
2187 }
2188 }
2189
2190 current_x = snap_pixel_to_frame (current_x);
2191 current_x = frames_to_beats (current_x);
2192
2193 if (at_front && current_x < canvas_note->note()->end_time()) {
2194 diff_add_change (canvas_note, MidiModel::DiffCommand::StartTime, current_x);
2195
2196 double len = canvas_note->note()->time() - current_x;
2197 len += canvas_note->note()->length();
2198
2199 if (len > 0) {
2200 /* XXX convert to beats */
2201 diff_add_change (canvas_note, MidiModel::DiffCommand::Length, len);
2202 }
2203 }
2204
2205 if (!at_front) {
2206 double len = current_x - canvas_note->note()->time();
2207
2208 if (len > 0) {
2209 /* XXX convert to beats */
2210 diff_add_change (canvas_note, MidiModel::DiffCommand::Length, len);
2211 }
2212 }
2213
2214 delete resize_rect;
2215 delete (*i);
2216 }
2217
2218 _resize_data.clear();
2219 apply_diff();
2220 }
2221
2222 void
2223 MidiRegionView::change_note_velocity(CanvasNoteEvent* event, int8_t velocity, bool relative)
2224 {
2225 uint8_t new_velocity;
2226
2227 if (relative) {
2228 new_velocity = event->note()->velocity() + velocity;
2229 clamp_to_0_127(new_velocity);
2230 } else {
2231 new_velocity = velocity;
2232 }
2233
2234 // event->show_velocity ();
2235
2236 diff_add_change (event, MidiModel::DiffCommand::Velocity, new_velocity);
2237 }
2238
2239 void
2240 MidiRegionView::change_note_note (CanvasNoteEvent* event, int8_t note, bool relative)
2241 {
2242 uint8_t new_note;
2243
2244 if (relative) {
2245 new_note = event->note()->note() + note;
2246 } else {
2247 new_note = note;
2248 }
2249
2250 clamp_to_0_127 (new_note);
2251 diff_add_change (event, MidiModel::DiffCommand::NoteNumber, new_note);
2252 }
2253
2254 void
2255 MidiRegionView::trim_note (CanvasNoteEvent* event, Evoral::MusicalTime front_delta, Evoral::MusicalTime end_delta)
2256 {
2257 bool change_start = false;
2258 bool change_length = false;
2259 Evoral::MusicalTime new_start = 0;
2260 Evoral::MusicalTime new_length = 0;
2261
2262 /* NOTE: the semantics of the two delta arguments are slightly subtle:
2263
2264 front_delta: if positive - move the start of the note later in time (shortening it)
2265 if negative - move the start of the note earlier in time (lengthening it)
2266
2267 end_delta: if positive - move the end of the note later in time (lengthening it)
2268 if negative - move the end of the note earlier in time (shortening it)
2269 */
2270
2271 if (front_delta) {
2272 if (front_delta < 0) {
2273
2274 if (event->note()->time() < -front_delta) {
2275 new_start = 0;
2276 } else {
2277 new_start = event->note()->time() + front_delta; // moves earlier
2278 }
2279
2280 /* start moved toward zero, so move the end point out to where it used to be.
2281 Note that front_delta is negative, so this increases the length.
2282 */
2283
2284 new_length = event->note()->length() - front_delta;
2285 change_start = true;
2286 change_length = true;
2287
2288 } else {
2289
2290 Evoral::MusicalTime new_pos = event->note()->time() + front_delta;
2291
2292 if (new_pos < event->note()->end_time()) {
2293 new_start = event->note()->time() + front_delta;
2294 /* start moved toward the end, so move the end point back to where it used to be */
2295 new_length = event->note()->length() - front_delta;
2296 change_start = true;
2297 change_length = true;
2298 }
2299 }
2300
2301 }
2302
2303 if (end_delta) {
2304 bool can_change = true;
2305 if (end_delta < 0) {
2306 if (event->note()->length() < -end_delta) {
2307 can_change = false;
2308 }
2309 }
2310
2311 if (can_change) {
2312 new_length = event->note()->length() + end_delta;
2313 change_length = true;
2314 }
2315 }
2316
2317 if (change_start) {
2318 diff_add_change (event, MidiModel::DiffCommand::StartTime, new_start);
2319 }
2320
2321 if (change_length) {
2322 diff_add_change (event, MidiModel::DiffCommand::Length, new_length);
2323 }
2324 }
2325
2326 void
2327 MidiRegionView::change_note_time (CanvasNoteEvent* event, Evoral::MusicalTime delta, bool relative)
2328 {
2329 Evoral::MusicalTime new_time;
2330
2331 if (relative) {
2332 if (delta < 0.0) {
2333 if (event->note()->time() < -delta) {
2334 new_time = 0;
2335 } else {
2336 new_time = event->note()->time() + delta;
2337 }
2338 } else {
2339 new_time = event->note()->time() + delta;
2340 }
2341 } else {
2342 new_time = delta;
2343 }
2344
2345 diff_add_change (event, MidiModel::DiffCommand::StartTime, new_time);
2346 }
2347
2348 void
2349 MidiRegionView::change_velocities (bool up, bool fine, bool allow_smush)
2350 {
2351 int8_t delta;
2352
2353 if (_selection.empty()) {
2354 return;
2355 }
2356
2357 if (fine) {
2358 delta = 1;
2359 } else {
2360 delta = 10;
2361 }
2362
2363 if (!up) {
2364 delta = -delta;
2365 }
2366
2367 if (!allow_smush) {
2368 for (Selection::iterator i = _selection.begin(); i != _selection.end(); ++i) {
2369 if ((*i)->note()->velocity() + delta == 0 || (*i)->note()->velocity() + delta == 127) {
2370 return;
2371 }
2372 }
2373 }
2374
2375 start_diff_command(_("change velocities"));
2376
2377 for (Selection::iterator i = _selection.begin(); i != _selection.end();) {
2378 Selection::iterator next = i;
2379 ++next;
2380 change_note_velocity (*i, delta, true);
2381 i = next;
2382 }
2383
2384 if (!_selection.empty()) {
2385 char buf[24];
2386 snprintf (buf, sizeof (buf), "Vel %d",
2387 (int) (*_selection.begin())->note()->velocity());
2388 trackview.editor().show_verbose_canvas_cursor_with (buf);
2389 }
2390
2391 apply_diff();
2392 }
2393
2394
2395 void
2396 MidiRegionView::transpose (bool up, bool fine, bool allow_smush)
2397 {
2398 if (_selection.empty()) {
2399 return;
2400 }
2401
2402 int8_t delta;
2403
2404 if (fine) {
2405 delta = 1;
2406 } else {
2407 delta = 12;
2408 }
2409
2410 if (!up) {
2411 delta = -delta;
2412 }
2413
2414 if (!allow_smush) {
2415 for (Selection::iterator i = _selection.begin(); i != _selection.end(); ++i) {
2416 if (!up) {
2417 if ((int8_t) (*i)->note()->note() + delta <= 0) {
2418 return;
2419 }
2420 } else {
2421 if ((int8_t) (*i)->note()->note() + delta > 127) {
2422 return;
2423 }
2424 }
2425 }
2426 }
2427
2428 start_diff_command (_("transpose"));
2429
2430 for (Selection::iterator i = _selection.begin(); i != _selection.end(); ) {
2431 Selection::iterator next = i;
2432 ++next;
2433 change_note_note (*i, delta, true);
2434 i = next;
2435 }
2436
2437 apply_diff ();
2438 }
2439
2440 void
2441 MidiRegionView::change_note_lengths (bool fine, bool shorter, bool start, bool end)
2442 {
2443 Evoral::MusicalTime delta;
2444
2445 if (fine) {
2446 delta = 1.0/128.0;
2447 } else {
2448 /* grab the current grid distance */
2449 bool success;
2450 delta = trackview.editor().get_grid_type_as_beats (success, _region->position());
2451 if (!success) {
2452 /* XXX cannot get grid type as beats ... should always be possible ... FIX ME */
2453 cerr << "Grid type not available as beats - TO BE FIXED\n";
2454 return;
2455 }
2456 }
2457
2458 if (shorter) {
2459 delta = -delta;
2460 }
2461
2462 start_diff_command (_("change note lengths"));
2463
2464 for (Selection::iterator i = _selection.begin(); i != _selection.end(); ) {
2465 Selection::iterator next = i;
2466 ++next;
2467
2468 /* note the negation of the delta for start */
2469
2470 trim_note (*i, (start ? -delta : 0), (end ? delta : 0));
2471 i = next;
2472 }
2473
2474 apply_diff ();
2475
2476 }
2477
2478 void
2479 MidiRegionView::nudge_notes (bool forward)
2480 {
2481 if (_selection.empty()) {
2482 return;
2483 }
2484
2485 /* pick a note as the point along the timeline to get the nudge distance.
2486 its not necessarily the earliest note, so we may want to pull the notes out
2487 into a vector and sort before using the first one.
2488 */
2489
2490 nframes64_t ref_point = _region->position() + beats_to_frames ((*(_selection.begin()))->note()->time());
2491 nframes64_t unused;
2492 nframes64_t distance;
2493
2494 if (trackview.editor().snap_mode() == Editing::SnapOff) {
2495
2496 /* grid is off - use nudge distance */
2497
2498 distance = trackview.editor().get_nudge_distance (ref_point, unused);
2499
2500 } else {
2501
2502 /* use grid */
2503
2504 nframes64_t next_pos = ref_point;
2505
2506 if (forward) {
2507 /* XXX need check on max_frames, but that needs max_frames64 or something */
2508 next_pos += 1;
2509 } else {
2510 if (next_pos == 0) {
2511 return;
2512 }
2513 next_pos -= 1;
2514 }
2515
2516 trackview.editor().snap_to (next_pos, (forward ? 1 : -1), false);
2517 distance = ref_point - next_pos;
2518 }
2519
2520 if (distance == 0) {
2521 return;
2522 }
2523
2524 Evoral::MusicalTime delta = frames_to_beats (fabs (distance));
2525
2526 if (!forward) {
2527 delta = -delta;
2528 }
2529
2530 start_diff_command (_("nudge"));
2531
2532 for (Selection::iterator i = _selection.begin(); i != _selection.end(); ) {
2533 Selection::iterator next = i;
2534 ++next;
2535 change_note_time (*i, delta, true);
2536 i = next;
2537 }
2538
2539 apply_diff ();
2540 }
2541
2542 void
2543 MidiRegionView::change_channel(uint8_t channel)
2544 {
2545 start_diff_command(_("change channel"));
2546 for (Selection::iterator i = _selection.begin(); i != _selection.end(); ++i) {
2547 diff_add_change (*i, MidiModel::DiffCommand::Channel, channel);
2548 }
2549
2550 apply_diff();
2551 }
2552
2553
2554 void
2555 MidiRegionView::note_entered(ArdourCanvas::CanvasNoteEvent* ev)
2556 {
2557 if (_mouse_state == SelectTouchDragging) {
2558 note_selected (ev, true);
2559 }
2560
2561 show_verbose_canvas_cursor (ev->note ());
2562 }
2563
2564 void
2565 MidiRegionView::note_left (ArdourCanvas::CanvasNoteEvent* note)
2566 {
2567 for (Selection::iterator i = _selection.begin(); i != _selection.end(); ++i) {
2568 (*i)->hide_velocity ();
2569 }
2570
2571 trackview.editor().hide_verbose_canvas_cursor ();
2572 }
2573
2574 void
2575 MidiRegionView::switch_source(boost::shared_ptr<Source> src)
2576 {
2577 boost::shared_ptr<MidiSource> msrc = boost::dynamic_pointer_cast<MidiSource>(src);
2578 if (msrc)
2579 display_model(msrc->model());
2580 }
2581
2582 void
2583 MidiRegionView::set_frame_color()
2584 {
2585 if (frame) {
2586 if (_selected && should_show_selection) {
2587 frame->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_SelectedFrameBase.get();
2588 } else {
2589 frame->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_MidiFrameBase.get();
2590 }
2591 }
2592 }
2593
2594 void
2595 MidiRegionView::midi_channel_mode_changed(ChannelMode mode, uint16_t mask)
2596 {
2597 switch (mode) {
2598 case AllChannels:
2599 case FilterChannels:
2600 _force_channel = -1;
2601 break;
2602 case ForceChannel:
2603 _force_channel = mask;
2604 mask = 0xFFFF; // Show all notes as active (below)
2605 };
2606
2607 // Update notes for selection
2608 for (Events::iterator i = _events.begin(); i != _events.end(); ++i) {
2609 (*i)->on_channel_selection_change(mask);
2610 }
2611
2612 _last_channel_selection = mask;
2613 }
2614
2615 void
2616 MidiRegionView::midi_patch_settings_changed(std::string model, std::string custom_device_mode)
2617 {
2618 _model_name = model;
2619 _custom_device_mode = custom_device_mode;
2620 redisplay_model();
2621 }
2622
2623 void
2624 MidiRegionView::cut_copy_clear (Editing::CutCopyOp op)
2625 {
2626 if (_selection.empty()) {
2627 return;
2628 }
2629
2630 PublicEditor& editor (trackview.editor());
2631
2632 switch (op) {
2633 case Cut:
2634 case Copy:
2635 editor.get_cut_buffer().add (selection_as_cut_buffer());
2636 break;
2637 default:
2638 break;
2639 }
2640
2641 if (op != Copy) {
2642
2643 start_diff_command();
2644
2645 for (Selection::iterator i = _selection.begin(); i != _selection.end(); ++i) {
2646 switch (op) {
2647 case Copy:
2648 break;
2649 case Cut:
2650 case Clear:
2651 diff_remove_note (*i);
2652 break;
2653 }
2654 }
2655
2656 apply_diff();
2657 }
2658 }
2659
2660 MidiCutBuffer*
2661 MidiRegionView::selection_as_cut_buffer () const
2662 {
2663 Notes notes;
2664
2665 for (Selection::iterator i = _selection.begin(); i != _selection.end(); ++i) {
2666 NoteType* n = (*i)->note().get();
2667 notes.insert (boost::shared_ptr<NoteType> (new NoteType (*n)));
2668 }
2669
2670 MidiCutBuffer* cb = new MidiCutBuffer (trackview.session());
2671 cb->set (notes);
2672
2673 return cb;
2674 }
2675
2676 void
2677 MidiRegionView::paste (nframes64_t pos, float times, const MidiCutBuffer& mcb)
2678 {
2679 if (mcb.empty()) {
2680 return;
2681 }
2682
2683 start_diff_command (_("paste"));
2684
2685 Evoral::MusicalTime beat_delta;
2686 Evoral::MusicalTime paste_pos_beats;
2687 Evoral::MusicalTime duration;
2688 Evoral::MusicalTime end_point = 0;
2689
2690 duration = (*mcb.notes().rbegin())->end_time() - (*mcb.notes().begin())->time();
2691 paste_pos_beats = frames_to_beats (pos - _region->position());
2692 beat_delta = (*mcb.notes().begin())->time() - paste_pos_beats;
2693 paste_pos_beats = 0;
2694
2695 _selection.clear ();
2696
2697 for (int n = 0; n < (int) times; ++n) {
2698
2699 for (Notes::const_iterator i = mcb.notes().begin(); i != mcb.notes().end(); ++i) {
2700
2701 boost::shared_ptr<NoteType> copied_note (new NoteType (*((*i).get())));
2702 copied_note->set_time (paste_pos_beats + copied_note->time() - beat_delta);
2703
2704 /* make all newly added notes selected */
2705
2706 diff_add_note (copied_note, true);
2707 end_point = copied_note->end_time();
2708 }
2709
2710 paste_pos_beats += duration;
2711 }
2712
2713 /* if we pasted past the current end of the region, extend the region */
2714
2715 nframes64_t end_frame = _region->position() + beats_to_frames (end_point);
2716 nframes64_t region_end = _region->position() + _region->length() - 1;
2717
2718 if (end_frame > region_end) {
2719
2720 trackview.session()->begin_reversible_command (_("paste"));
2721
2722 _region->clear_history ();
2723 _region->set_length (end_frame, this);
2724 trackview.session()->add_command (new StatefulDiffCommand (_region));
2725 }
2726
2727 apply_diff ();
2728 }
2729
2730 struct EventNoteTimeEarlyFirstComparator {
2731 bool operator() (CanvasNoteEvent* a, CanvasNoteEvent* b) {
2732 return a->note()->time() < b->note()->time();
2733 }
2734 };
2735
2736 void
2737 MidiRegionView::time_sort_events ()
2738 {
2739 if (!_sort_needed) {
2740 return;
2741 }
2742
2743 EventNoteTimeEarlyFirstComparator cmp;
2744 _events.sort (cmp);
2745
2746 _sort_needed = false;
2747 }
2748
2749 void
2750 MidiRegionView::goto_next_note ()
2751 {
2752 // nframes64_t pos = -1;
2753 bool use_next = false;
2754
2755 if (_events.back()->selected()) {
2756 return;
2757 }
2758
2759 time_sort_events ();
2760
2761 for (Events::iterator i = _events.begin(); i != _events.end(); ++i) {
2762 if ((*i)->selected()) {
2763 use_next = true;
2764 continue;
2765 } else if (use_next) {
2766 unique_select (*i);
2767 // pos = _region->position() + beats_to_frames ((*i)->note()->time());
2768 return;
2769 }
2770 }
2771
2772 /* use the first one */
2773
2774 unique_select (_events.front());
2775
2776 }
2777
2778 void
2779 MidiRegionView::goto_previous_note ()
2780 {
2781 // nframes64_t pos = -1;
2782 bool use_next = false;
2783
2784 if (_events.front()->selected()) {
2785 return;
2786 }
2787
2788 time_sort_events ();
2789
2790 for (Events::reverse_iterator i = _events.rbegin(); i != _events.rend(); ++i) {
2791 if ((*i)->selected()) {
2792 use_next = true;
2793 continue;
2794 } else if (use_next) {
2795 unique_select (*i);
2796 // pos = _region->position() + beats_to_frames ((*i)->note()->time());
2797 return;
2798 }
2799 }
2800
2801 /* use the last one */
2802
2803 unique_select (*(_events.rbegin()));
2804 }
2805
2806 void
2807 MidiRegionView::selection_as_notelist (Notes& selected, bool allow_all_if_none_selected)
2808 {
2809 bool had_selected = false;
2810
2811 time_sort_events ();
2812
2813 for (Events::iterator i = _events.begin(); i != _events.end(); ++i) {
2814 if ((*i)->selected()) {
2815 selected.insert ((*i)->note());
2816 had_selected = true;
2817 }
2818 }
2819
2820 if (allow_all_if_none_selected && !had_selected) {
2821 for (Events::iterator i = _events.begin(); i != _events.end(); ++i) {
2822 selected.insert ((*i)->note());
2823 }
2824 }
2825 }
2826
2827 void
2828 MidiRegionView::update_ghost_note (double x, double y)
2829 {
2830 _last_ghost_x = x;
2831 _last_ghost_y = y;
2832
2833 group->w2i (x, y);
2834 nframes64_t f = trackview.editor().pixel_to_frame (x) + _region->position ();
2835 trackview.editor().snap_to (f);
2836 f -= _region->position ();
2837
2838 bool success;
2839 Evoral::MusicalTime beats = trackview.editor().get_grid_type_as_beats (success, f);
2840 if (!success) {
2841 beats = 1;
2842 }
2843
2844 double length = frames_to_beats (snap_frame_to_frame (f + beats_to_frames (beats)) - f);
2845
2846 _ghost_note->note()->set_time (frames_to_beats (f + _region->start()));
2847 _ghost_note->note()->set_length (length);
2848 _ghost_note->note()->set_note (midi_stream_view()->y_to_note (y));
2849
2850 update_note (_ghost_note);
2851
2852 show_verbose_canvas_cursor (_ghost_note->note ());
2853 }
2854
2855 void
2856 MidiRegionView::create_ghost_note (double x, double y)
2857 {
2858 delete _ghost_note;
2859 _ghost_note = 0;
2860
2861 boost::shared_ptr<NoteType> g (new NoteType);
2862 _ghost_note = new NoEventCanvasNote (*this, *group, g);
2863 update_ghost_note (x, y);
2864 _ghost_note->show ();
2865
2866 _last_ghost_x = x;
2867 _last_ghost_y = y;
2868
2869 show_verbose_canvas_cursor (_ghost_note->note ());
2870 }
2871
2872 void
2873 MidiRegionView::snap_changed ()
2874 {
2875 if (!_ghost_note) {
2876 return;
2877 }
2878
2879 create_ghost_note (_last_ghost_x, _last_ghost_y);
2880 }
2881
2882 void
2883 MidiRegionView::show_verbose_canvas_cursor (boost::shared_ptr<NoteType> n) const
2884 {
2885 char buf[24];
2886 snprintf (buf, sizeof (buf), "%s (%d)\nVel %d",
2887 Evoral::midi_note_name (n->note()).c_str(),
2888 (int) n->note (),
2889 (int) n->velocity());
2890 trackview.editor().show_verbose_canvas_cursor_with (buf);
2891 }
2892
2893 void
2894 MidiRegionView::drop_down_keys ()
2895 {
2896 _mouse_state = None;
2897 }
2898
2899 void
2900 MidiRegionView::maybe_select_by_position (GdkEventButton* ev, double x, double y)
2901 {
2902 double note = midi_stream_view()->y_to_note(y);
2903 Events e;
2904 MidiTimeAxisView* const mtv = dynamic_cast<MidiTimeAxisView*>(&trackview);
2905
2906 cerr << "Selecting by position\n";
2907
2908 uint16_t chn_mask = mtv->channel_selector().get_selected_channels();
2909
2910 if (Keyboard::modifier_state_equals (ev->state, Keyboard::TertiaryModifier)) {
2911 get_events (e, Evoral::Sequence<Evoral::MusicalTime>::PitchGreaterThanOrEqual, (uint8_t) floor (note), chn_mask);
2912 } else if (Keyboard::modifier_state_equals (ev->state, Keyboard::PrimaryModifier)) {
2913 get_events (e, Evoral::Sequence<Evoral::MusicalTime>::PitchLessThanOrEqual, (uint8_t) floor (note), chn_mask);
2914 } else {
2915 return;
2916 }
2917
2918 bool add_mrv_selection = false;
2919
2920 if (_selection.empty()) {
2921 add_mrv_selection = true;
2922 }
2923
2924 for (Events::iterator i = e.begin(); i != e.end(); ++i) {
2925 if (_selection.insert (*i).second) {
2926 (*i)->selected (true);
2927 }
2928 }
2929
2930 if (add_mrv_selection) {
2931 PublicEditor& editor (trackview.editor());
2932 editor.get_selection().add (this);
2933 }
2934 }
Digital Audio Workstation