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Fix corruption of follow playhead state on quit (#4048).
[ardour2.git] / gtk2_ardour / midi_region_view.cc
blob57ad64e0149db2e1bfda711930d7f7cc1fd8b383
1 /*
2 Copyright (C) 2001-2007 Paul Davis
3 Author: David 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/MIDIParameters.hpp"
44 #include "evoral/Control.hpp"
45 #include "evoral/midi_util.h"
46
47 #include "automation_region_view.h"
48 #include "automation_time_axis.h"
49 #include "canvas-hit.h"
50 #include "canvas-note.h"
51 #include "canvas_patch_change.h"
52 #include "debug.h"
53 #include "editor.h"
54 #include "ghostregion.h"
55 #include "gui_thread.h"
56 #include "keyboard.h"
57 #include "midi_cut_buffer.h"
58 #include "midi_list_editor.h"
59 #include "midi_region_view.h"
60 #include "midi_streamview.h"
61 #include "midi_time_axis.h"
62 #include "midi_util.h"
63 #include "note_player.h"
64 #include "public_editor.h"
65 #include "rgb_macros.h"
66 #include "selection.h"
67 #include "simpleline.h"
68 #include "streamview.h"
69 #include "utils.h"
70 #include "mouse_cursors.h"
71 #include "patch_change_dialog.h"
72 #include "verbose_cursor.h"
73
74 #include "i18n.h"
75
76 using namespace ARDOUR;
77 using namespace PBD;
78 using namespace Editing;
79 using namespace ArdourCanvas;
80 using Gtkmm2ext::Keyboard;
81
82 MidiRegionView::MidiRegionView (ArdourCanvas::Group *parent, RouteTimeAxisView &tv,
83 boost::shared_ptr<MidiRegion> r, double spu, Gdk::Color const & basic_color)
84 : RegionView (parent, tv, r, spu, basic_color)
85 , _force_channel(-1)
86 , _last_channel_selection(0xFFFF)
87 , _current_range_min(0)
88 , _current_range_max(0)
89 , _model_name(string())
90 , _custom_device_mode(string())
91 , _active_notes(0)
92 , _note_group(new ArdourCanvas::Group(*group))
93 , _note_diff_command (0)
94 , _ghost_note(0)
95 , _drag_rect (0)
96 , _step_edit_cursor (0)
97 , _step_edit_cursor_width (1.0)
98 , _step_edit_cursor_position (0.0)
99 , _channel_selection_scoped_note (0)
100 , _temporary_note_group (0)
101 , _mouse_state(None)
102 , _pressed_button(0)
103 , _sort_needed (true)
104 , _optimization_iterator (_events.end())
105 , _list_editor (0)
106 , no_sound_notes (false)
107 , _last_event_x (0)
108 , _last_event_y (0)
109 , pre_enter_cursor (0)
110 {
111 _note_group->raise_to_top();
112 PublicEditor::DropDownKeys.connect (sigc::mem_fun (*this, &MidiRegionView::drop_down_keys));
113
114 connect_to_diskstream ();
115 }
116
117 MidiRegionView::MidiRegionView (ArdourCanvas::Group *parent, RouteTimeAxisView &tv,
118 boost::shared_ptr<MidiRegion> r, double spu, Gdk::Color& basic_color,
119 TimeAxisViewItem::Visibility visibility)
120 : RegionView (parent, tv, r, spu, basic_color, false, visibility)
121 , _force_channel(-1)
122 , _last_channel_selection(0xFFFF)
123 , _model_name(string())
124 , _custom_device_mode(string())
125 , _active_notes(0)
126 , _note_group(new ArdourCanvas::Group(*parent))
127 , _note_diff_command (0)
128 , _ghost_note(0)
129 , _drag_rect (0)
130 , _step_edit_cursor (0)
131 , _step_edit_cursor_width (1.0)
132 , _step_edit_cursor_position (0.0)
133 , _channel_selection_scoped_note (0)
134 , _temporary_note_group (0)
135 , _mouse_state(None)
136 , _pressed_button(0)
137 , _sort_needed (true)
138 , _optimization_iterator (_events.end())
139 , _list_editor (0)
140 , no_sound_notes (false)
141 , _last_event_x (0)
142 , _last_event_y (0)
143 {
144 _note_group->raise_to_top();
145 PublicEditor::DropDownKeys.connect (sigc::mem_fun (*this, &MidiRegionView::drop_down_keys));
146
147 connect_to_diskstream ();
148 }
149
150 MidiRegionView::MidiRegionView (const MidiRegionView& other)
151 : sigc::trackable(other)
152 , RegionView (other)
153 , _force_channel(-1)
154 , _last_channel_selection(0xFFFF)
155 , _model_name(string())
156 , _custom_device_mode(string())
157 , _active_notes(0)
158 , _note_group(new ArdourCanvas::Group(*get_canvas_group()))
159 , _note_diff_command (0)
160 , _ghost_note(0)
161 , _drag_rect (0)
162 , _step_edit_cursor (0)
163 , _step_edit_cursor_width (1.0)
164 , _step_edit_cursor_position (0.0)
165 , _channel_selection_scoped_note (0)
166 , _temporary_note_group (0)
167 , _mouse_state(None)
168 , _pressed_button(0)
169 , _sort_needed (true)
170 , _optimization_iterator (_events.end())
171 , _list_editor (0)
172 , no_sound_notes (false)
173 , _last_event_x (0)
174 , _last_event_y (0)
175 {
176 Gdk::Color c;
177 int r,g,b,a;
178
179 UINT_TO_RGBA (other.fill_color, &r, &g, &b, &a);
180 c.set_rgb_p (r/255.0, g/255.0, b/255.0);
181
182 init (c, false);
183 }
184
185 MidiRegionView::MidiRegionView (const MidiRegionView& other, boost::shared_ptr<MidiRegion> region)
186 : RegionView (other, boost::shared_ptr<Region> (region))
187 , _force_channel(-1)
188 , _last_channel_selection(0xFFFF)
189 , _model_name(string())
190 , _custom_device_mode(string())
191 , _active_notes(0)
192 , _note_group(new ArdourCanvas::Group(*get_canvas_group()))
193 , _note_diff_command (0)
194 , _ghost_note(0)
195 , _drag_rect (0)
196 , _step_edit_cursor (0)
197 , _step_edit_cursor_width (1.0)
198 , _step_edit_cursor_position (0.0)
199 , _channel_selection_scoped_note (0)
200 , _temporary_note_group (0)
201 , _mouse_state(None)
202 , _pressed_button(0)
203 , _sort_needed (true)
204 , _optimization_iterator (_events.end())
205 , _list_editor (0)
206 , no_sound_notes (false)
207 , _last_event_x (0)
208 , _last_event_y (0)
209 {
210 Gdk::Color c;
211 int r,g,b,a;
212
213 UINT_TO_RGBA (other.fill_color, &r, &g, &b, &a);
214 c.set_rgb_p (r/255.0, g/255.0, b/255.0);
215
216 init (c, true);
217 }
218
219 void
220 MidiRegionView::init (Gdk::Color const & basic_color, bool wfd)
221 {
222 PublicEditor::DropDownKeys.connect (sigc::mem_fun (*this, &MidiRegionView::drop_down_keys));
223
224 CanvasNoteEvent::CanvasNoteEventDeleted.connect (note_delete_connection, MISSING_INVALIDATOR,
225 ui_bind (&MidiRegionView::maybe_remove_deleted_note_from_selection, this, _1),
226 gui_context());
227
228 if (wfd) {
229 midi_region()->midi_source(0)->load_model();
230 }
231
232 _model = midi_region()->midi_source(0)->model();
233 _enable_display = false;
234
235 RegionView::init (basic_color, false);
236
237 compute_colors (basic_color);
238
239 set_height (trackview.current_height());
240
241 region_muted ();
242 region_sync_changed ();
243 region_resized (ARDOUR::bounds_change);
244 region_locked ();
245
246 reset_width_dependent_items (_pixel_width);
247
248 set_colors ();
249
250 _enable_display = true;
251 if (_model) {
252 if (wfd) {
253 display_model (_model);
254 }
255 }
256
257 group->raise_to_top();
258 group->signal_event().connect (sigc::mem_fun (this, &MidiRegionView::canvas_event), false);
259
260 midi_view()->signal_channel_mode_changed().connect(
261 sigc::mem_fun(this, &MidiRegionView::midi_channel_mode_changed));
262
263 midi_view()->signal_midi_patch_settings_changed().connect(
264 sigc::mem_fun(this, &MidiRegionView::midi_patch_settings_changed));
265
266 trackview.editor().SnapChanged.connect (snap_changed_connection, invalidator (*this), ui_bind (&MidiRegionView::snap_changed, this), gui_context ());
267
268 connect_to_diskstream ();
269 }
270
271 void
272 MidiRegionView::connect_to_diskstream ()
273 {
274 midi_view()->midi_track()->DataRecorded.connect (*this, invalidator (*this), ui_bind (&MidiRegionView::data_recorded, this, _1, _2), gui_context ());
275 }
276
277 bool
278 MidiRegionView::canvas_event(GdkEvent* ev)
279 {
280 switch (ev->type) {
281 case GDK_ENTER_NOTIFY:
282 case GDK_LEAVE_NOTIFY:
283 _last_event_x = ev->crossing.x;
284 _last_event_y = ev->crossing.y;
285 break;
286 case GDK_MOTION_NOTIFY:
287 _last_event_x = ev->motion.x;
288 _last_event_y = ev->motion.y;
289 break;
290 default:
291 break;
292 }
293
294 if (!trackview.editor().internal_editing()) {
295 return false;
296 }
297
298 switch (ev->type) {
299 case GDK_SCROLL:
300 return scroll (&ev->scroll);
301
302 case GDK_KEY_PRESS:
303 return key_press (&ev->key);
304
305 case GDK_KEY_RELEASE:
306 return key_release (&ev->key);
307
308 case GDK_BUTTON_PRESS:
309 return button_press (&ev->button);
310
311 case GDK_2BUTTON_PRESS:
312 return true;
313
314 case GDK_BUTTON_RELEASE:
315 return button_release (&ev->button);
316
317 case GDK_ENTER_NOTIFY:
318 return enter_notify (&ev->crossing);
319
320 case GDK_LEAVE_NOTIFY:
321 return leave_notify (&ev->crossing);
322
323 case GDK_MOTION_NOTIFY:
324 return motion (&ev->motion);
325
326 default:
327 break;
328 }
329
330 return false;
331 }
332
333 void
334 MidiRegionView::remove_ghost_note ()
335 {
336 delete _ghost_note;
337 _ghost_note = 0;
338 }
339
340 bool
341 MidiRegionView::enter_notify (GdkEventCrossing* ev)
342 {
343 trackview.editor().MouseModeChanged.connect (
344 _mouse_mode_connection, invalidator (*this), ui_bind (&MidiRegionView::mouse_mode_changed, this), gui_context ()
345 );
346
347 Keyboard::magic_widget_grab_focus();
348 group->grab_focus();
349
350 if (trackview.editor().current_mouse_mode() == MouseRange) {
351 create_ghost_note (ev->x, ev->y);
352 }
353
354 return false;
355 }
356
357 bool
358 MidiRegionView::leave_notify (GdkEventCrossing*)
359 {
360 _mouse_mode_connection.disconnect ();
361
362 trackview.editor().verbose_cursor()->hide ();
363 remove_ghost_note ();
364 return false;
365 }
366
367 void
368 MidiRegionView::mouse_mode_changed ()
369 {
370 if (trackview.editor().current_mouse_mode() == MouseRange && trackview.editor().internal_editing()) {
371 create_ghost_note (_last_event_x, _last_event_y);
372 } else {
373 remove_ghost_note ();
374 trackview.editor().verbose_cursor()->hide ();
375 }
376 }
377
378 bool
379 MidiRegionView::button_press (GdkEventButton* ev)
380 {
381 if (ev->button != 1) {
382 return false;
383 }
384
385 _last_x = ev->x;
386 _last_y = ev->y;
387
388 group->w2i (_last_x, _last_y);
389
390 if (_mouse_state != SelectTouchDragging) {
391
392 _pressed_button = ev->button;
393 _mouse_state = Pressed;
394
395 return true;
396 }
397
398 _pressed_button = ev->button;
399
400 return true;
401 }
402
403 bool
404 MidiRegionView::button_release (GdkEventButton* ev)
405 {
406 double event_x, event_y;
407 framepos_t event_frame = 0;
408
409 if (ev->button != 1) {
410 return false;
411 }
412
413 event_x = ev->x;
414 event_y = ev->y;
415
416 group->w2i(event_x, event_y);
417 group->ungrab(ev->time);
418
419 event_frame = trackview.editor().pixel_to_frame(event_x);
420
421 switch (_mouse_state) {
422 case Pressed: // Clicked
423
424 switch (trackview.editor().current_mouse_mode()) {
425 case MouseObject:
426 case MouseTimeFX:
427 {
428 clear_selection();
429
430 if (Keyboard::is_insert_note_event(ev)){
431
432 double event_x, event_y;
433
434 event_x = ev->x;
435 event_y = ev->y;
436 group->w2i(event_x, event_y);
437
438 bool success;
439 Evoral::MusicalTime beats = trackview.editor().get_grid_type_as_beats (success, trackview.editor().pixel_to_frame (event_x));
440
441 if (!success) {
442 beats = 1;
443 }
444
445 create_note_at (event_x, event_y, beats, true);
446 }
447
448 break;
449 }
450 case MouseRange:
451 {
452 bool success;
453 Evoral::MusicalTime beats = trackview.editor().get_grid_type_as_beats (success, trackview.editor().pixel_to_frame (event_x));
454
455 if (!success) {
456 beats = 1;
457 }
458
459 create_note_at (event_x, event_y, beats, true);
460
461 break;
462 }
463 default:
464 break;
465 }
466
467 _mouse_state = None;
468 break;
469
470 case SelectRectDragging: // Select drag done
471
472 _mouse_state = None;
473 delete _drag_rect;
474 _drag_rect = 0;
475 break;
476
477 case AddDragging: // Add drag done
478
479 _mouse_state = None;
480
481 if (Keyboard::is_insert_note_event(ev) || trackview.editor().current_mouse_mode() == MouseRange){
482
483 if (_drag_rect->property_x2() > _drag_rect->property_x1() + 2) {
484
485 const double x = _drag_rect->property_x1();
486 const double length = trackview.editor().pixel_to_frame (_drag_rect->property_x2() - _drag_rect->property_x1());
487
488 create_note_at (x, _drag_rect->property_y1(), frames_to_beats(length), true);
489 }
490 }
491
492 delete _drag_rect;
493 _drag_rect = 0;
494
495 create_ghost_note (ev->x, ev->y);
496
497 default:
498 break;
499 }
500
501 return false;
502 }
503
504 bool
505 MidiRegionView::motion (GdkEventMotion* ev)
506 {
507 double event_x, event_y;
508 framepos_t event_frame = 0;
509
510 event_x = ev->x;
511 event_y = ev->y;
512 group->w2i(event_x, event_y);
513
514 // convert event_x to global frame
515 event_frame = snap_pixel_to_frame (event_x);
516
517 if (!_ghost_note && trackview.editor().current_mouse_mode() != MouseRange
518 && Keyboard::modifier_state_contains (ev->state, Keyboard::insert_note_modifier())
519 && _mouse_state != AddDragging){
520
521 create_ghost_note (ev->x, ev->y);
522 }
523 else if (_ghost_note && trackview.editor().current_mouse_mode() != MouseRange
524 && Keyboard::modifier_state_contains (ev->state, Keyboard::insert_note_modifier())){
525
526 update_ghost_note (ev->x, ev->y);
527 }
528 else if (_ghost_note && trackview.editor().current_mouse_mode() != MouseRange){
529
530 delete _ghost_note;
531 _ghost_note = 0;
532
533 trackview.editor().verbose_cursor()->hide ();
534 }
535 else if (_ghost_note && trackview.editor().current_mouse_mode() == MouseRange) {
536 update_ghost_note (ev->x, ev->y);
537 }
538
539 /* any motion immediately hides velocity text that may have been visible */
540
541 for (Selection::iterator i = _selection.begin(); i != _selection.end(); ++i) {
542 (*i)->hide_velocity ();
543 }
544
545 switch (_mouse_state) {
546 case Pressed: // Maybe start a drag, if we've moved a bit
547
548 if (fabs (event_x - _last_x) < 1 && fabs (event_y - _last_y) < 1) {
549 /* no appreciable movement since the button was pressed */
550 return false;
551 }
552
553 // Select drag start
554 if (_pressed_button == 1 && trackview.editor().current_mouse_mode() == MouseObject
555 && !Keyboard::modifier_state_contains (ev->state, Keyboard::insert_note_modifier())) {
556
557 group->grab(GDK_POINTER_MOTION_MASK | GDK_BUTTON_RELEASE_MASK,
558 Gdk::Cursor(Gdk::FLEUR), ev->time);
559
560 _last_x = event_x;
561 _last_y = event_y;
562 _drag_start_x = event_x;
563 _drag_start_y = event_y;
564
565 _drag_rect = new ArdourCanvas::SimpleRect(*group);
566 _drag_rect->property_x1() = event_x;
567 _drag_rect->property_y1() = event_y;
568 _drag_rect->property_x2() = event_x;
569 _drag_rect->property_y2() = event_y;
570 _drag_rect->property_outline_what() = 0xFF;
571 _drag_rect->property_outline_color_rgba()
572 = ARDOUR_UI::config()->canvasvar_MidiSelectRectOutline.get();
573 _drag_rect->property_fill_color_rgba()
574 = ARDOUR_UI::config()->canvasvar_MidiSelectRectFill.get();
575
576 _mouse_state = SelectRectDragging;
577 return true;
578
579 // Add note drag start
580 } else if (trackview.editor().internal_editing()) {
581
582 delete _ghost_note;
583 _ghost_note = 0;
584
585 group->grab(GDK_POINTER_MOTION_MASK | GDK_BUTTON_RELEASE_MASK,
586 Gdk::Cursor(Gdk::FLEUR), ev->time);
587
588 _last_x = event_x;
589 _last_y = event_y;
590 _drag_start_x = event_x;
591 _drag_start_y = event_y;
592
593 _drag_rect = new ArdourCanvas::SimpleRect(*group);
594 _drag_rect->property_x1() = trackview.editor().frame_to_pixel(event_frame);
595
596 _drag_rect->property_y1() = midi_stream_view()->note_to_y(
597 midi_stream_view()->y_to_note(event_y));
598 _drag_rect->property_x2() = trackview.editor().frame_to_pixel(event_frame);
599 _drag_rect->property_y2() = _drag_rect->property_y1()
600 + floor(midi_stream_view()->note_height());
601 _drag_rect->property_outline_what() = 0xFF;
602 _drag_rect->property_outline_color_rgba() = 0xFFFFFF99;
603 _drag_rect->property_fill_color_rgba() = 0xFFFFFF66;
604
605 _mouse_state = AddDragging;
606
607 if (_ghost_note){
608
609 delete _ghost_note;
610 _ghost_note = 0;
611
612 trackview.editor().verbose_cursor()->hide ();
613 }
614
615 return true;
616 }
617
618 return false;
619
620 case SelectRectDragging: // Select drag motion
621 case AddDragging: // Add note drag motion
622
623 if (ev->is_hint) {
624 int t_x;
625 int t_y;
626 GdkModifierType state;
627 gdk_window_get_pointer(ev->window, &t_x, &t_y, &state);
628 event_x = t_x;
629 event_y = t_y;
630 }
631
632 if (_mouse_state == AddDragging){
633 event_x = trackview.editor().frame_to_pixel(event_frame);
634 }
635
636 if (_drag_rect) {
637
638 if (event_x > _drag_start_x){
639 _drag_rect->property_x2() = event_x;
640 }
641 else {
642 _drag_rect->property_x1() = event_x;
643 }
644 }
645
646 if (_drag_rect && _mouse_state == SelectRectDragging) {
647
648 if (event_y > _drag_start_y){
649 _drag_rect->property_y2() = event_y;
650 }
651 else {
652 _drag_rect->property_y1() = event_y;
653 }
654
655 update_drag_selection(_drag_start_x, event_x, _drag_start_y, event_y);
656 }
657
658 _last_x = event_x;
659 _last_y = event_y;
660
661 case SelectTouchDragging:
662 return false;
663
664 default:
665 break;
666 }
667
668 return false;
669 }
670
671
672 bool
673 MidiRegionView::scroll (GdkEventScroll* ev)
674 {
675 if (_selection.empty()) {
676 return false;
677 }
678
679 trackview.editor().verbose_cursor()->hide ();
680
681 bool fine = !Keyboard::modifier_state_equals (ev->state, Keyboard::SecondaryModifier);
682
683 if (ev->direction == GDK_SCROLL_UP) {
684 change_velocities (true, fine, false);
685 } else if (ev->direction == GDK_SCROLL_DOWN) {
686 change_velocities (false, fine, false);
687 }
688 return true;
689 }
690
691 bool
692 MidiRegionView::key_press (GdkEventKey* ev)
693 {
694 /* since GTK bindings are generally activated on press, and since
695 detectable auto-repeat is the name of the game and only sends
696 repeated presses, carry out key actions at key press, not release.
697 */
698
699 if (ev->keyval == GDK_Alt_L || ev->keyval == GDK_Alt_R){
700 _mouse_state = SelectTouchDragging;
701 return true;
702
703 } else if (ev->keyval == GDK_Escape) {
704 clear_selection();
705 _mouse_state = None;
706
707 } else if (ev->keyval == GDK_comma || ev->keyval == GDK_period) {
708
709 bool start = (ev->keyval == GDK_comma);
710 bool end = (ev->keyval == GDK_period);
711 bool shorter = Keyboard::modifier_state_contains (ev->state, Keyboard::PrimaryModifier);
712 bool fine = Keyboard::modifier_state_contains (ev->state, Keyboard::SecondaryModifier);
713
714 change_note_lengths (fine, shorter, 0.0, start, end);
715
716 return true;
717
718 } else if (ev->keyval == GDK_Delete) {
719
720 delete_selection();
721 return true;
722
723 } else if (ev->keyval == GDK_Tab) {
724
725 if (Keyboard::modifier_state_equals (ev->state, Keyboard::PrimaryModifier)) {
726 goto_previous_note ();
727 } else {
728 goto_next_note ();
729 }
730 return true;
731
732 } else if (ev->keyval == GDK_Up) {
733
734 bool allow_smush = Keyboard::modifier_state_contains (ev->state, Keyboard::TertiaryModifier);
735 bool fine = !Keyboard::modifier_state_contains (ev->state, Keyboard::SecondaryModifier);
736
737 if (Keyboard::modifier_state_contains (ev->state, Keyboard::PrimaryModifier)) {
738 change_velocities (true, fine, allow_smush);
739 } else {
740 transpose (true, fine, allow_smush);
741 }
742 return true;
743
744 } else if (ev->keyval == GDK_Down) {
745
746 bool allow_smush = Keyboard::modifier_state_contains (ev->state, Keyboard::TertiaryModifier);
747 bool fine = !Keyboard::modifier_state_contains (ev->state, Keyboard::SecondaryModifier);
748
749 if (Keyboard::modifier_state_contains (ev->state, Keyboard::PrimaryModifier)) {
750 change_velocities (false, fine, allow_smush);
751 } else {
752 transpose (false, fine, allow_smush);
753 }
754 return true;
755
756 } else if (ev->keyval == GDK_Left) {
757
758 nudge_notes (false);
759 return true;
760
761 } else if (ev->keyval == GDK_Right) {
762
763 nudge_notes (true);
764 return true;
765
766 } else if (ev->keyval == GDK_Control_L) {
767 return true;
768
769 }
770
771 return false;
772 }
773
774 bool
775 MidiRegionView::key_release (GdkEventKey* ev)
776 {
777 if (ev->keyval == GDK_Alt_L || ev->keyval == GDK_Alt_R) {
778 _mouse_state = None;
779 return true;
780 }
781 return false;
782 }
783
784 void
785 MidiRegionView::show_list_editor ()
786 {
787 if (!_list_editor) {
788 _list_editor = new MidiListEditor (trackview.session(), midi_region());
789 }
790 _list_editor->present ();
791 }
792
793 /** Add a note to the model, and the view, at a canvas (click) coordinate.
794 * \param x horizontal position in pixels
795 * \param y vertical position in pixels
796 * \param length duration of the note in beats, which will be snapped to the grid
797 * \param sh true to make the note 1 frame shorter than the snapped version of \a length.
798 */
799 void
800 MidiRegionView::create_note_at(double x, double y, double length, bool sh)
801 {
802 MidiTimeAxisView* const mtv = dynamic_cast<MidiTimeAxisView*>(&trackview);
803 MidiStreamView* const view = mtv->midi_view();
804
805 double note = view->y_to_note(y);
806
807 assert(note >= 0.0);
808 assert(note <= 127.0);
809
810 // Start of note in frames relative to region start
811 framepos_t const start_frames = snap_pixel_to_frame (x);
812 assert(start_frames >= 0);
813
814 // Snap length
815 length = frames_to_beats(
816 snap_frame_to_frame(start_frames + beats_to_frames(length)) - start_frames);
817
818 assert (length != 0);
819
820 if (sh) {
821 length = frames_to_beats (beats_to_frames (length) - 1);
822 }
823
824 const boost::shared_ptr<NoteType> new_note (new NoteType (get_channel_for_add (),
825 frames_to_beats(start_frames + _region->start()), length,
826 (uint8_t)note, 0x40));
827
828 if (_model->contains (new_note)) {
829 return;
830 }
831
832 view->update_note_range(new_note->note());
833
834 MidiModel::NoteDiffCommand* cmd = _model->new_note_diff_command("add note");
835 cmd->add (new_note);
836 _model->apply_command(*trackview.session(), cmd);
837
838 play_midi_note (new_note);
839 }
840
841 void
842 MidiRegionView::clear_events()
843 {
844 clear_selection();
845
846 MidiGhostRegion* gr;
847 for (std::vector<GhostRegion*>::iterator g = ghosts.begin(); g != ghosts.end(); ++g) {
848 if ((gr = dynamic_cast<MidiGhostRegion*>(*g)) != 0) {
849 gr->clear_events();
850 }
851 }
852
853 for (Events::iterator i = _events.begin(); i != _events.end(); ++i) {
854 delete *i;
855 }
856
857 _events.clear();
858 _patch_changes.clear();
859 _sys_exes.clear();
860 _optimization_iterator = _events.end();
861 }
862
863 void
864 MidiRegionView::display_model(boost::shared_ptr<MidiModel> model)
865 {
866 _model = model;
867
868 content_connection.disconnect ();
869 _model->ContentsChanged.connect (content_connection, invalidator (*this), boost::bind (&MidiRegionView::redisplay_model, this), gui_context());
870
871 clear_events ();
872
873 if (_enable_display) {
874 redisplay_model();
875 }
876 }
877
878 void
879 MidiRegionView::start_note_diff_command (string name)
880 {
881 if (!_note_diff_command) {
882 _note_diff_command = _model->new_note_diff_command (name);
883 }
884 }
885
886 void
887 MidiRegionView::note_diff_add_note (const boost::shared_ptr<NoteType> note, bool selected, bool show_velocity)
888 {
889 if (_note_diff_command) {
890 _note_diff_command->add (note);
891 }
892 if (selected) {
893 _marked_for_selection.insert(note);
894 }
895 if (show_velocity) {
896 _marked_for_velocity.insert(note);
897 }
898 }
899
900 void
901 MidiRegionView::note_diff_remove_note (ArdourCanvas::CanvasNoteEvent* ev)
902 {
903 if (_note_diff_command && ev->note()) {
904 _note_diff_command->remove(ev->note());
905 }
906 }
907
908 void
909 MidiRegionView::note_diff_add_change (ArdourCanvas::CanvasNoteEvent* ev,
910 MidiModel::NoteDiffCommand::Property property,
911 uint8_t val)
912 {
913 if (_note_diff_command) {
914 _note_diff_command->change (ev->note(), property, val);
915 }
916 }
917
918 void
919 MidiRegionView::note_diff_add_change (ArdourCanvas::CanvasNoteEvent* ev,
920 MidiModel::NoteDiffCommand::Property property,
921 Evoral::MusicalTime val)
922 {
923 if (_note_diff_command) {
924 _note_diff_command->change (ev->note(), property, val);
925 }
926 }
927
928 void
929 MidiRegionView::apply_diff (bool as_subcommand)
930 {
931 bool add_or_remove;
932
933 if (!_note_diff_command) {
934 return;
935 }
936
937 if ((add_or_remove = _note_diff_command->adds_or_removes())) {
938 // Mark all selected notes for selection when model reloads
939 for (Selection::iterator i = _selection.begin(); i != _selection.end(); ++i) {
940 _marked_for_selection.insert((*i)->note());
941 }
942 }
943
944 if (as_subcommand) {
945 _model->apply_command_as_subcommand (*trackview.session(), _note_diff_command);
946 } else {
947 _model->apply_command (*trackview.session(), _note_diff_command);
948 }
949
950 _note_diff_command = 0;
951 midi_view()->midi_track()->playlist_modified();
952
953 if (add_or_remove) {
954 _marked_for_selection.clear();
955 }
956
957 _marked_for_velocity.clear();
958 }
959
960 void
961 MidiRegionView::abort_command()
962 {
963 delete _note_diff_command;
964 _note_diff_command = 0;
965 clear_selection();
966 }
967
968 CanvasNoteEvent*
969 MidiRegionView::find_canvas_note (boost::shared_ptr<NoteType> note)
970 {
971 if (_optimization_iterator != _events.end()) {
972 ++_optimization_iterator;
973 }
974
975 if (_optimization_iterator != _events.end() && (*_optimization_iterator)->note() == note) {
976 return *_optimization_iterator;
977 }
978
979 for (_optimization_iterator = _events.begin(); _optimization_iterator != _events.end(); ++_optimization_iterator) {
980 if ((*_optimization_iterator)->note() == note) {
981 return *_optimization_iterator;
982 }
983 }
984
985 return 0;
986 }
987
988 void
989 MidiRegionView::get_events (Events& e, Evoral::Sequence<Evoral::MusicalTime>::NoteOperator op, uint8_t val, int chan_mask)
990 {
991 MidiModel::Notes notes;
992 _model->get_notes (notes, op, val, chan_mask);
993
994 for (MidiModel::Notes::iterator n = notes.begin(); n != notes.end(); ++n) {
995 CanvasNoteEvent* cne = find_canvas_note (*n);
996 if (cne) {
997 e.push_back (cne);
998 }
999 }
1000 }
1001
1002 void
1003 MidiRegionView::redisplay_model()
1004 {
1005 // Don't redisplay the model if we're currently recording and displaying that
1006 if (_active_notes) {
1007 return;
1008 }
1009
1010 if (!_model) {
1011 return;
1012 }
1013
1014 for (Events::iterator i = _events.begin(); i != _events.end(); ++i) {
1015 (*i)->invalidate ();
1016 }
1017
1018 MidiModel::ReadLock lock(_model->read_lock());
1019
1020 MidiModel::Notes& notes (_model->notes());
1021 _optimization_iterator = _events.begin();
1022
1023 for (MidiModel::Notes::iterator n = notes.begin(); n != notes.end(); ++n) {
1024
1025 boost::shared_ptr<NoteType> note (*n);
1026 CanvasNoteEvent* cne;
1027 bool visible;
1028
1029 if (note_in_region_range (note, visible)) {
1030
1031 if ((cne = find_canvas_note (note)) != 0) {
1032
1033 cne->validate ();
1034
1035 CanvasNote* cn;
1036 CanvasHit* ch;
1037
1038 if ((cn = dynamic_cast<CanvasNote*>(cne)) != 0) {
1039 update_note (cn);
1040 } else if ((ch = dynamic_cast<CanvasHit*>(cne)) != 0) {
1041 update_hit (ch);
1042 }
1043
1044 if (visible) {
1045 cne->show ();
1046 } else {
1047 cne->hide ();
1048 }
1049
1050 } else {
1051
1052 add_note (note, visible);
1053 }
1054
1055 } else {
1056
1057 if ((cne = find_canvas_note (note)) != 0) {
1058 cne->validate ();
1059 cne->hide ();
1060 }
1061 }
1062 }
1063
1064
1065 /* remove note items that are no longer valid */
1066
1067 for (Events::iterator i = _events.begin(); i != _events.end(); ) {
1068 if (!(*i)->valid ()) {
1069 delete *i;
1070 i = _events.erase (i);
1071 } else {
1072 ++i;
1073 }
1074 }
1075
1076 _patch_changes.clear();
1077 _sys_exes.clear();
1078
1079 display_sysexes();
1080 display_patch_changes ();
1081
1082 _marked_for_selection.clear ();
1083 _marked_for_velocity.clear ();
1084
1085 /* we may have caused _events to contain things out of order (e.g. if a note
1086 moved earlier or later). we don't generally need them in time order, but
1087 make a note that a sort is required for those cases that require it.
1088 */
1089
1090 _sort_needed = true;
1091 }
1092
1093 void
1094 MidiRegionView::display_patch_changes ()
1095 {
1096 MidiTimeAxisView* const mtv = dynamic_cast<MidiTimeAxisView*>(&trackview);
1097 uint16_t chn_mask = mtv->channel_selector().get_selected_channels();
1098
1099 for (uint8_t i = 0; i < 16; ++i) {
1100 if (chn_mask & (1<<i)) {
1101 display_patch_changes_on_channel (i);
1102 }
1103 }
1104 }
1105
1106 void
1107 MidiRegionView::display_patch_changes_on_channel (uint8_t channel)
1108 {
1109 for (MidiModel::PatchChanges::const_iterator i = _model->patch_changes().begin(); i != _model->patch_changes().end(); ++i) {
1110
1111 if ((*i)->channel() != channel) {
1112 continue;
1113 }
1114
1115 MIDI::Name::PatchPrimaryKey patch_key ((*i)->bank_msb (), (*i)->bank_lsb (), (*i)->program ());
1116
1117 boost::shared_ptr<MIDI::Name::Patch> patch =
1118 MIDI::Name::MidiPatchManager::instance().find_patch(
1119 _model_name, _custom_device_mode, channel, patch_key);
1120
1121 if (patch != 0) {
1122 add_canvas_patch_change (*i, patch->name());
1123 } else {
1124 char buf[16];
1125 /* program and bank numbers are zero-based: convert to one-based */
1126 snprintf (buf, 16, "%d\n%d", (*i)->program() + 1, (*i)->bank() + 1);
1127 add_canvas_patch_change (*i, buf);
1128 }
1129 }
1130 }
1131
1132 void
1133 MidiRegionView::display_sysexes()
1134 {
1135 for (MidiModel::SysExes::const_iterator i = _model->sysexes().begin(); i != _model->sysexes().end(); ++i) {
1136 Evoral::MusicalTime time = (*i)->time();
1137 assert(time >= 0);
1138
1139 ostringstream str;
1140 str << hex;
1141 for (uint32_t b = 0; b < (*i)->size(); ++b) {
1142 str << int((*i)->buffer()[b]);
1143 if (b != (*i)->size() -1) {
1144 str << " ";
1145 }
1146 }
1147 string text = str.str();
1148
1149 const double x = trackview.editor().frame_to_pixel(beats_to_frames(time));
1150
1151 double height = midi_stream_view()->contents_height();
1152
1153 boost::shared_ptr<CanvasSysEx> sysex = boost::shared_ptr<CanvasSysEx>(
1154 new CanvasSysEx(*this, *_note_group, text, height, x, 1.0));
1155
1156 // Show unless patch change is beyond the region bounds
1157 if (time - _region->start() >= _region->length() || time < _region->start()) {
1158 sysex->hide();
1159 } else {
1160 sysex->show();
1161 }
1162
1163 _sys_exes.push_back(sysex);
1164 }
1165 }
1166
1167
1168 MidiRegionView::~MidiRegionView ()
1169 {
1170 in_destructor = true;
1171
1172 trackview.editor().verbose_cursor()->hide ();
1173
1174 note_delete_connection.disconnect ();
1175
1176 delete _list_editor;
1177
1178 RegionViewGoingAway (this); /* EMIT_SIGNAL */
1179
1180 if (_active_notes) {
1181 end_write();
1182 }
1183
1184 _selection.clear();
1185 clear_events();
1186
1187 delete _note_group;
1188 delete _note_diff_command;
1189 delete _step_edit_cursor;
1190 delete _temporary_note_group;
1191 }
1192
1193 void
1194 MidiRegionView::region_resized (const PropertyChange& what_changed)
1195 {
1196 RegionView::region_resized(what_changed);
1197
1198 if (what_changed.contains (ARDOUR::Properties::position)) {
1199 set_duration(_region->length(), 0);
1200 if (_enable_display) {
1201 redisplay_model();
1202 }
1203 }
1204 }
1205
1206 void
1207 MidiRegionView::reset_width_dependent_items (double pixel_width)
1208 {
1209 RegionView::reset_width_dependent_items(pixel_width);
1210 assert(_pixel_width == pixel_width);
1211
1212 if (_enable_display) {
1213 redisplay_model();
1214 }
1215
1216 move_step_edit_cursor (_step_edit_cursor_position);
1217 set_step_edit_cursor_width (_step_edit_cursor_width);
1218 }
1219
1220 void
1221 MidiRegionView::set_height (double height)
1222 {
1223 static const double FUDGE = 2.0;
1224 const double old_height = _height;
1225 RegionView::set_height(height);
1226 _height = height - FUDGE;
1227
1228 apply_note_range(midi_stream_view()->lowest_note(),
1229 midi_stream_view()->highest_note(),
1230 height != old_height + FUDGE);
1231
1232 if (name_pixbuf) {
1233 name_pixbuf->raise_to_top();
1234 }
1235
1236 for (PatchChanges::iterator x = _patch_changes.begin(); x != _patch_changes.end(); ++x) {
1237 (*x)->set_height (midi_stream_view()->contents_height());
1238 }
1239
1240 if (_step_edit_cursor) {
1241 _step_edit_cursor->property_y2() = midi_stream_view()->contents_height();
1242 }
1243 }
1244
1245
1246 /** Apply the current note range from the stream view
1247 * by repositioning/hiding notes as necessary
1248 */
1249 void
1250 MidiRegionView::apply_note_range (uint8_t min, uint8_t max, bool force)
1251 {
1252 if (!_enable_display) {
1253 return;
1254 }
1255
1256 if (!force && _current_range_min == min && _current_range_max == max) {
1257 return;
1258 }
1259
1260 _current_range_min = min;
1261 _current_range_max = max;
1262
1263 for (Events::const_iterator i = _events.begin(); i != _events.end(); ++i) {
1264 CanvasNoteEvent* event = *i;
1265 boost::shared_ptr<NoteType> note (event->note());
1266
1267 if (note->note() < _current_range_min ||
1268 note->note() > _current_range_max) {
1269 event->hide();
1270 } else {
1271 event->show();
1272 }
1273
1274 if (CanvasNote* cnote = dynamic_cast<CanvasNote*>(event)) {
1275
1276 const double y1 = midi_stream_view()->note_to_y(note->note());
1277 const double y2 = y1 + floor(midi_stream_view()->note_height());
1278
1279 cnote->property_y1() = y1;
1280 cnote->property_y2() = y2;
1281
1282 } else if (CanvasHit* chit = dynamic_cast<CanvasHit*>(event)) {
1283
1284 const double diamond_size = update_hit (chit);
1285
1286 chit->set_height (diamond_size);
1287 }
1288 }
1289 }
1290
1291 GhostRegion*
1292 MidiRegionView::add_ghost (TimeAxisView& tv)
1293 {
1294 CanvasNote* note;
1295
1296 double unit_position = _region->position () / samples_per_unit;
1297 MidiTimeAxisView* mtv = dynamic_cast<MidiTimeAxisView*>(&tv);
1298 MidiGhostRegion* ghost;
1299
1300 if (mtv && mtv->midi_view()) {
1301 /* if ghost is inserted into midi track, use a dedicated midi ghost canvas group
1302 to allow having midi notes on top of note lines and waveforms.
1303 */
1304 ghost = new MidiGhostRegion (*mtv->midi_view(), trackview, unit_position);
1305 } else {
1306 ghost = new MidiGhostRegion (tv, trackview, unit_position);
1307 }
1308
1309 for (Events::iterator i = _events.begin(); i != _events.end(); ++i) {
1310 if ((note = dynamic_cast<CanvasNote*>(*i)) != 0) {
1311 ghost->add_note(note);
1312 }
1313 }
1314
1315 ghost->set_height ();
1316 ghost->set_duration (_region->length() / samples_per_unit);
1317 ghosts.push_back (ghost);
1318
1319 GhostRegion::CatchDeletion.connect (*this, invalidator (*this), ui_bind (&RegionView::remove_ghost, this, _1), gui_context());
1320
1321 return ghost;
1322 }
1323
1324
1325 /** Begin tracking note state for successive calls to add_event
1326 */
1327 void
1328 MidiRegionView::begin_write()
1329 {
1330 assert(!_active_notes);
1331 _active_notes = new CanvasNote*[128];
1332 for (unsigned i=0; i < 128; ++i) {
1333 _active_notes[i] = 0;
1334 }
1335 }
1336
1337
1338 /** Destroy note state for add_event
1339 */
1340 void
1341 MidiRegionView::end_write()
1342 {
1343 delete[] _active_notes;
1344 _active_notes = 0;
1345 _marked_for_selection.clear();
1346 _marked_for_velocity.clear();
1347 }
1348
1349
1350 /** Resolve an active MIDI note (while recording).
1351 */
1352 void
1353 MidiRegionView::resolve_note(uint8_t note, double end_time)
1354 {
1355 if (midi_view()->note_mode() != Sustained) {
1356 return;
1357 }
1358
1359 if (_active_notes && _active_notes[note]) {
1360
1361 const framepos_t end_time_frames = beats_to_frames(end_time);
1362
1363 _active_notes[note]->property_x2() = trackview.editor().frame_to_pixel(end_time_frames);
1364 _active_notes[note]->property_outline_what() = (guint32) 0xF; // all edges
1365 _active_notes[note] = 0;
1366 }
1367 }
1368
1369
1370 /** Extend active notes to rightmost edge of region (if length is changed)
1371 */
1372 void
1373 MidiRegionView::extend_active_notes()
1374 {
1375 if (!_active_notes) {
1376 return;
1377 }
1378
1379 for (unsigned i=0; i < 128; ++i) {
1380 if (_active_notes[i]) {
1381 _active_notes[i]->property_x2() = trackview.editor().frame_to_pixel(_region->length());
1382 }
1383 }
1384 }
1385
1386
1387 void
1388 MidiRegionView::play_midi_note(boost::shared_ptr<NoteType> note)
1389 {
1390 if (no_sound_notes || !trackview.editor().sound_notes()) {
1391 return;
1392 }
1393
1394 RouteUI* route_ui = dynamic_cast<RouteUI*> (&trackview);
1395
1396 if (!route_ui || !route_ui->midi_track()) {
1397 return;
1398 }
1399
1400 NotePlayer* np = new NotePlayer (route_ui->midi_track());
1401 np->add (note);
1402 np->play ();
1403 }
1404
1405 void
1406 MidiRegionView::play_midi_chord (vector<boost::shared_ptr<NoteType> > notes)
1407 {
1408 if (no_sound_notes || !trackview.editor().sound_notes()) {
1409 return;
1410 }
1411
1412 RouteUI* route_ui = dynamic_cast<RouteUI*> (&trackview);
1413
1414 if (!route_ui || !route_ui->midi_track()) {
1415 return;
1416 }
1417
1418 NotePlayer* np = new NotePlayer (route_ui->midi_track());
1419
1420 for (vector<boost::shared_ptr<NoteType> >::iterator n = notes.begin(); n != notes.end(); ++n) {
1421 np->add (*n);
1422 }
1423
1424 np->play ();
1425 }
1426
1427
1428 bool
1429 MidiRegionView::note_in_region_range(const boost::shared_ptr<NoteType> note, bool& visible) const
1430 {
1431 const framepos_t note_start_frames = beats_to_frames(note->time());
1432
1433 bool outside = (note_start_frames - _region->start() >= _region->length()) ||
1434 (note_start_frames < _region->start());
1435
1436 visible = (note->note() >= midi_stream_view()->lowest_note()) &&
1437 (note->note() <= midi_stream_view()->highest_note());
1438
1439 return !outside;
1440 }
1441
1442 /** Update a canvas note's size from its model note.
1443 * @param ev Canvas note to update.
1444 * @param update_ghost_regions true to update the note in any ghost regions that we have, otherwise false.
1445 */
1446 void
1447 MidiRegionView::update_note (CanvasNote* ev, bool update_ghost_regions)
1448 {
1449 boost::shared_ptr<NoteType> note = ev->note();
1450
1451 const framepos_t note_start_frames = beats_to_frames(note->time());
1452
1453 /* trim note display to not overlap the end of its region */
1454 const framepos_t note_end_frames = min (beats_to_frames (note->end_time()), _region->start() + _region->length());
1455
1456 const double x = trackview.editor().frame_to_pixel(note_start_frames - _region->start());
1457 const double y1 = midi_stream_view()->note_to_y(note->note());
1458 const double note_endpixel = trackview.editor().frame_to_pixel(note_end_frames - _region->start());
1459
1460 ev->property_x1() = x;
1461 ev->property_y1() = y1;
1462
1463 if (note->length() > 0) {
1464 ev->property_x2() = note_endpixel;
1465 } else {
1466 ev->property_x2() = trackview.editor().frame_to_pixel(_region->length());
1467 }
1468
1469 ev->property_y2() = y1 + floor(midi_stream_view()->note_height());
1470
1471 if (note->length() == 0) {
1472 if (_active_notes) {
1473 assert(note->note() < 128);
1474 // If this note is already active there's a stuck note,
1475 // finish the old note rectangle
1476 if (_active_notes[note->note()]) {
1477 CanvasNote* const old_rect = _active_notes[note->note()];
1478 boost::shared_ptr<NoteType> old_note = old_rect->note();
1479 old_rect->property_x2() = x;
1480 old_rect->property_outline_what() = (guint32) 0xF;
1481 }
1482 _active_notes[note->note()] = ev;
1483 }
1484 /* outline all but right edge */
1485 ev->property_outline_what() = (guint32) (0x1 & 0x4 & 0x8);
1486 } else {
1487 /* outline all edges */
1488 ev->property_outline_what() = (guint32) 0xF;
1489 }
1490
1491 if (update_ghost_regions) {
1492 for (std::vector<GhostRegion*>::iterator i = ghosts.begin(); i != ghosts.end(); ++i) {
1493 MidiGhostRegion* gr = dynamic_cast<MidiGhostRegion*> (*i);
1494 if (gr) {
1495 gr->update_note (ev);
1496 }
1497 }
1498 }
1499 }
1500
1501 double
1502 MidiRegionView::update_hit (CanvasHit* ev)
1503 {
1504 boost::shared_ptr<NoteType> note = ev->note();
1505
1506 const framepos_t note_start_frames = beats_to_frames(note->time());
1507 const double x = trackview.editor().frame_to_pixel(note_start_frames - _region->start());
1508 const double diamond_size = midi_stream_view()->note_height() / 2.0;
1509 const double y = midi_stream_view()->note_to_y(note->note()) + ((diamond_size-2) / 4.0);
1510
1511 ev->move_to (x, y);
1512
1513 return diamond_size;
1514 }
1515
1516 /** Add a MIDI note to the view (with length).
1517 *
1518 * If in sustained mode, notes with length 0 will be considered active
1519 * notes, and resolve_note should be called when the corresponding note off
1520 * event arrives, to properly display the note.
1521 */
1522 void
1523 MidiRegionView::add_note(const boost::shared_ptr<NoteType> note, bool visible)
1524 {
1525 CanvasNoteEvent* event = 0;
1526
1527 assert(note->time() >= 0);
1528 assert(midi_view()->note_mode() == Sustained || midi_view()->note_mode() == Percussive);
1529
1530 //ArdourCanvas::Group* const group = (ArdourCanvas::Group*) get_canvas_group();
1531
1532 if (midi_view()->note_mode() == Sustained) {
1533
1534 CanvasNote* ev_rect = new CanvasNote(*this, *_note_group, note);
1535
1536 update_note (ev_rect);
1537
1538 event = ev_rect;
1539
1540 MidiGhostRegion* gr;
1541
1542 for (std::vector<GhostRegion*>::iterator g = ghosts.begin(); g != ghosts.end(); ++g) {
1543 if ((gr = dynamic_cast<MidiGhostRegion*>(*g)) != 0) {
1544 gr->add_note(ev_rect);
1545 }
1546 }
1547
1548 } else if (midi_view()->note_mode() == Percussive) {
1549
1550 const double diamond_size = midi_stream_view()->note_height() / 2.0;
1551
1552 CanvasHit* ev_diamond = new CanvasHit(*this, *_note_group, diamond_size, note);
1553
1554 update_hit (ev_diamond);
1555
1556 event = ev_diamond;
1557
1558 } else {
1559 event = 0;
1560 }
1561
1562 if (event) {
1563 if (_marked_for_selection.find(note) != _marked_for_selection.end()) {
1564 note_selected(event, true);
1565 }
1566
1567 if (_marked_for_velocity.find(note) != _marked_for_velocity.end()) {
1568 event->show_velocity();
1569 }
1570
1571 event->on_channel_selection_change(_last_channel_selection);
1572 _events.push_back(event);
1573
1574 if (visible) {
1575 event->show();
1576 } else {
1577 event->hide ();
1578 }
1579 }
1580
1581 MidiTimeAxisView* const mtv = dynamic_cast<MidiTimeAxisView*>(&trackview);
1582 MidiStreamView* const view = mtv->midi_view();
1583
1584 view->update_note_range(note->note());
1585 }
1586
1587 void
1588 MidiRegionView::step_add_note (uint8_t channel, uint8_t number, uint8_t velocity,
1589 Evoral::MusicalTime pos, Evoral::MusicalTime len)
1590 {
1591 boost::shared_ptr<NoteType> new_note (new NoteType (channel, pos, len, number, velocity));
1592
1593 /* potentially extend region to hold new note */
1594
1595 framepos_t end_frame = _region->position() + beats_to_frames (new_note->end_time());
1596 framepos_t region_end = _region->position() + _region->length() - 1;
1597
1598 if (end_frame > region_end) {
1599 _region->set_length (end_frame - _region->position(), this);
1600 }
1601
1602 MidiTimeAxisView* const mtv = dynamic_cast<MidiTimeAxisView*>(&trackview);
1603 MidiStreamView* const view = mtv->midi_view();
1604
1605 view->update_note_range(new_note->note());
1606
1607 _marked_for_selection.clear ();
1608 clear_selection ();
1609
1610 start_note_diff_command (_("step add"));
1611 note_diff_add_note (new_note, true, false);
1612 apply_diff();
1613
1614 // last_step_edit_note = new_note;
1615 }
1616
1617 void
1618 MidiRegionView::step_sustain (Evoral::MusicalTime beats)
1619 {
1620 change_note_lengths (false, false, beats, false, true);
1621 }
1622
1623 void
1624 MidiRegionView::add_canvas_patch_change (MidiModel::PatchChangePtr patch, const string& displaytext)
1625 {
1626 assert (patch->time() >= 0);
1627
1628 const double x = trackview.editor().frame_to_pixel (beats_to_frames (patch->time()));
1629
1630 double const height = midi_stream_view()->contents_height();
1631
1632 boost::shared_ptr<CanvasPatchChange> patch_change = boost::shared_ptr<CanvasPatchChange>(
1633 new CanvasPatchChange(*this, *_note_group,
1634 displaytext,
1635 height,
1636 x, 1.0,
1637 _model_name,
1638 _custom_device_mode,
1639 patch)
1640 );
1641
1642 // Show unless patch change is beyond the region bounds
1643 if (patch->time() - _region->start() >= _region->length() || patch->time() < _region->start()) {
1644 patch_change->hide();
1645 } else {
1646 patch_change->show();
1647 }
1648
1649 _patch_changes.push_back (patch_change);
1650 }
1651
1652 void
1653 MidiRegionView::get_patch_key_at (Evoral::MusicalTime time, uint8_t channel, MIDI::Name::PatchPrimaryKey& key)
1654 {
1655 MidiModel::PatchChanges::iterator i = _model->patch_change_lower_bound (time);
1656 while (i != _model->patch_changes().end() && (*i)->channel() != channel) {
1657 ++i;
1658 }
1659
1660 if (i != _model->patch_changes().end()) {
1661 key.msb = (*i)->bank_msb ();
1662 key.lsb = (*i)->bank_lsb ();
1663 key.program_number = (*i)->program ();
1664 } else {
1665 key.msb = key.lsb = key.program_number = 0;
1666 }
1667
1668 assert (key.is_sane());
1669 }
1670
1671
1672 void
1673 MidiRegionView::change_patch_change (CanvasPatchChange& pc, const MIDI::Name::PatchPrimaryKey& new_patch)
1674 {
1675 MidiModel::PatchChangeDiffCommand* c = _model->new_patch_change_diff_command (_("alter patch change"));
1676
1677 if (pc.patch()->program() != new_patch.program_number) {
1678 c->change_program (pc.patch (), new_patch.program_number);
1679 }
1680
1681 int const new_bank = (new_patch.msb << 7) | new_patch.lsb;
1682 if (pc.patch()->bank() != new_bank) {
1683 c->change_bank (pc.patch (), new_bank);
1684 }
1685
1686 _model->apply_command (*trackview.session(), c);
1687
1688 _patch_changes.clear ();
1689 display_patch_changes ();
1690 }
1691
1692 void
1693 MidiRegionView::change_patch_change (MidiModel::PatchChangePtr old_change, const Evoral::PatchChange<Evoral::MusicalTime> & new_change)
1694 {
1695 MidiModel::PatchChangeDiffCommand* c = _model->new_patch_change_diff_command (_("alter patch change"));
1696
1697 if (old_change->time() != new_change.time()) {
1698 c->change_time (old_change, new_change.time());
1699 }
1700
1701 if (old_change->channel() != new_change.channel()) {
1702 c->change_channel (old_change, new_change.channel());
1703 }
1704
1705 if (old_change->program() != new_change.program()) {
1706 c->change_program (old_change, new_change.program());
1707 }
1708
1709 if (old_change->bank() != new_change.bank()) {
1710 c->change_bank (old_change, new_change.bank());
1711 }
1712
1713 _model->apply_command (*trackview.session(), c);
1714
1715 _patch_changes.clear ();
1716 display_patch_changes ();
1717 }
1718
1719 /** Add a patch change to the region.
1720 * @param t Time in frames relative to region position
1721 * @param patch Patch to add; time and channel are ignored (time is converted from t, and channel comes from
1722 * get_channel_for_add())
1723 */
1724 void
1725 MidiRegionView::add_patch_change (framecnt_t t, Evoral::PatchChange<Evoral::MusicalTime> const & patch)
1726 {
1727 MidiModel::PatchChangeDiffCommand* c = _model->new_patch_change_diff_command (_("add patch change"));
1728 c->add (MidiModel::PatchChangePtr (
1729 new Evoral::PatchChange<Evoral::MusicalTime> (
1730 frames_to_beats (t + midi_region()->start()), get_channel_for_add(), patch.program(), patch.bank()
1731 )
1732 ));
1733
1734 _model->apply_command (*trackview.session(), c);
1735
1736 _patch_changes.clear ();
1737 display_patch_changes ();
1738 }
1739
1740 void
1741 MidiRegionView::move_patch_change (CanvasPatchChange& pc, Evoral::MusicalTime t)
1742 {
1743 MidiModel::PatchChangeDiffCommand* c = _model->new_patch_change_diff_command (_("move patch change"));
1744 c->change_time (pc.patch (), t);
1745 _model->apply_command (*trackview.session(), c);
1746
1747 _patch_changes.clear ();
1748 display_patch_changes ();
1749 }
1750
1751 void
1752 MidiRegionView::delete_patch_change (CanvasPatchChange* pc)
1753 {
1754 MidiModel::PatchChangeDiffCommand* c = _model->new_patch_change_diff_command (_("delete patch change"));
1755 c->remove (pc->patch ());
1756 _model->apply_command (*trackview.session(), c);
1757
1758 _patch_changes.clear ();
1759 display_patch_changes ();
1760 }
1761
1762 void
1763 MidiRegionView::previous_patch (CanvasPatchChange& patch)
1764 {
1765 if (patch.patch()->program() < 127) {
1766 MIDI::Name::PatchPrimaryKey key;
1767 get_patch_key_at (patch.patch()->time(), patch.patch()->channel(), key);
1768 key.program_number++;
1769 change_patch_change (patch, key);
1770 }
1771 }
1772
1773 void
1774 MidiRegionView::next_patch (CanvasPatchChange& patch)
1775 {
1776 if (patch.patch()->program() > 0) {
1777 MIDI::Name::PatchPrimaryKey key;
1778 get_patch_key_at (patch.patch()->time(), patch.patch()->channel(), key);
1779 key.program_number--;
1780 change_patch_change (patch, key);
1781 }
1782 }
1783
1784 void
1785 MidiRegionView::maybe_remove_deleted_note_from_selection (CanvasNoteEvent* cne)
1786 {
1787 if (_selection.empty()) {
1788 return;
1789 }
1790
1791 if (_selection.erase (cne) > 0) {
1792 cerr << "Erased a CNE from selection\n";
1793 }
1794 }
1795
1796 void
1797 MidiRegionView::delete_selection()
1798 {
1799 if (_selection.empty()) {
1800 return;
1801 }
1802
1803 start_note_diff_command (_("delete selection"));
1804
1805 for (Selection::iterator i = _selection.begin(); i != _selection.end(); ++i) {
1806 if ((*i)->selected()) {
1807 _note_diff_command->remove((*i)->note());
1808 }
1809 }
1810
1811 _selection.clear();
1812
1813 apply_diff ();
1814 }
1815
1816 void
1817 MidiRegionView::delete_note (boost::shared_ptr<NoteType> n)
1818 {
1819 start_note_diff_command (_("delete note"));
1820 _note_diff_command->remove (n);
1821 apply_diff ();
1822
1823 trackview.editor().verbose_cursor()->hide ();
1824 }
1825
1826 void
1827 MidiRegionView::clear_selection_except(ArdourCanvas::CanvasNoteEvent* ev)
1828 {
1829 for (Selection::iterator i = _selection.begin(); i != _selection.end(); ++i) {
1830 if ((*i)->selected() && (*i) != ev) {
1831 (*i)->set_selected(false);
1832 (*i)->hide_velocity();
1833 }
1834 }
1835
1836 _selection.clear();
1837 }
1838
1839 void
1840 MidiRegionView::unique_select(ArdourCanvas::CanvasNoteEvent* ev)
1841 {
1842 for (Selection::iterator i = _selection.begin(); i != _selection.end(); ) {
1843 if ((*i) != ev) {
1844
1845 Selection::iterator tmp = i;
1846 ++tmp;
1847
1848 (*i)->set_selected (false);
1849 _selection.erase (i);
1850
1851 i = tmp;
1852
1853 } else {
1854 ++i;
1855 }
1856 }
1857
1858 /* don't bother with removing this regionview from the editor selection,
1859 since we're about to add another note, and thus put/keep this
1860 regionview in the editor selection.
1861 */
1862
1863 if (!ev->selected()) {
1864 add_to_selection (ev);
1865 }
1866 }
1867
1868 void
1869 MidiRegionView::select_all_notes ()
1870 {
1871 clear_selection ();
1872
1873 for (Events::iterator i = _events.begin(); i != _events.end(); ++i) {
1874 add_to_selection (*i);
1875 }
1876 }
1877
1878 void
1879 MidiRegionView::select_matching_notes (uint8_t notenum, uint16_t channel_mask, bool add, bool extend)
1880 {
1881 uint8_t low_note = 127;
1882 uint8_t high_note = 0;
1883 MidiModel::Notes& notes (_model->notes());
1884 _optimization_iterator = _events.begin();
1885
1886 if (!add) {
1887 clear_selection ();
1888 }
1889
1890 if (extend && _selection.empty()) {
1891 extend = false;
1892 }
1893
1894 if (extend) {
1895
1896 /* scan existing selection to get note range */
1897
1898 for (Selection::iterator i = _selection.begin(); i != _selection.end(); ++i) {
1899 if ((*i)->note()->note() < low_note) {
1900 low_note = (*i)->note()->note();
1901 }
1902 if ((*i)->note()->note() > high_note) {
1903 high_note = (*i)->note()->note();
1904 }
1905 }
1906
1907 low_note = min (low_note, notenum);
1908 high_note = max (high_note, notenum);
1909 }
1910
1911 no_sound_notes = true;
1912
1913 for (MidiModel::Notes::iterator n = notes.begin(); n != notes.end(); ++n) {
1914
1915 boost::shared_ptr<NoteType> note (*n);
1916 CanvasNoteEvent* cne;
1917 bool select = false;
1918
1919 if (((1 << note->channel()) & channel_mask) != 0) {
1920 if (extend) {
1921 if ((note->note() >= low_note && note->note() <= high_note)) {
1922 select = true;
1923 }
1924 } else if (note->note() == notenum) {
1925 select = true;
1926 }
1927 }
1928
1929 if (select) {
1930 if ((cne = find_canvas_note (note)) != 0) {
1931 // extend is false because we've taken care of it,
1932 // since it extends by time range, not pitch.
1933 note_selected (cne, add, false);
1934 }
1935 }
1936
1937 add = true; // we need to add all remaining matching notes, even if the passed in value was false (for "set")
1938
1939 }
1940
1941 no_sound_notes = false;
1942 }
1943
1944 void
1945 MidiRegionView::toggle_matching_notes (uint8_t notenum, uint16_t channel_mask)
1946 {
1947 MidiModel::Notes& notes (_model->notes());
1948 _optimization_iterator = _events.begin();
1949
1950 for (MidiModel::Notes::iterator n = notes.begin(); n != notes.end(); ++n) {
1951
1952 boost::shared_ptr<NoteType> note (*n);
1953 CanvasNoteEvent* cne;
1954
1955 if (note->note() == notenum && (((0x0001 << note->channel()) & channel_mask) != 0)) {
1956 if ((cne = find_canvas_note (note)) != 0) {
1957 if (cne->selected()) {
1958 note_deselected (cne);
1959 } else {
1960 note_selected (cne, true, false);
1961 }
1962 }
1963 }
1964 }
1965 }
1966
1967 void
1968 MidiRegionView::note_selected(ArdourCanvas::CanvasNoteEvent* ev, bool add, bool extend)
1969 {
1970 if (!add) {
1971 clear_selection_except(ev);
1972 }
1973
1974 if (!extend) {
1975
1976 if (!ev->selected()) {
1977 add_to_selection (ev);
1978 }
1979
1980 } else {
1981 /* find end of latest note selected, select all between that and the start of "ev" */
1982
1983 Evoral::MusicalTime earliest = Evoral::MaxMusicalTime;
1984 Evoral::MusicalTime latest = 0;
1985
1986 for (Selection::iterator i = _selection.begin(); i != _selection.end(); ++i) {
1987 if ((*i)->note()->end_time() > latest) {
1988 latest = (*i)->note()->end_time();
1989 }
1990 if ((*i)->note()->time() < earliest) {
1991 earliest = (*i)->note()->time();
1992 }
1993 }
1994
1995 if (ev->note()->end_time() > latest) {
1996 latest = ev->note()->end_time();
1997 }
1998
1999 if (ev->note()->time() < earliest) {
2000 earliest = ev->note()->time();
2001 }
2002
2003 for (Events::iterator i = _events.begin(); i != _events.end(); ++i) {
2004
2005 /* find notes entirely within OR spanning the earliest..latest range */
2006
2007 if (((*i)->note()->time() >= earliest && (*i)->note()->end_time() <= latest) ||
2008 ((*i)->note()->time() <= earliest && (*i)->note()->end_time() >= latest)) {
2009 add_to_selection (*i);
2010 }
2011
2012 #if 0
2013 /* if events were guaranteed to be time sorted, we could do this.
2014 but as of sept 10th 2009, they no longer are.
2015 */
2016
2017 if ((*i)->note()->time() > latest) {
2018 break;
2019 }
2020 #endif
2021 }
2022 }
2023 }
2024
2025 void
2026 MidiRegionView::note_deselected(ArdourCanvas::CanvasNoteEvent* ev)
2027 {
2028 remove_from_selection (ev);
2029 }
2030
2031 void
2032 MidiRegionView::update_drag_selection(double x1, double x2, double y1, double y2)
2033 {
2034 if (x1 > x2) {
2035 swap (x1, x2);
2036 }
2037
2038 if (y1 > y2) {
2039 swap (y1, y2);
2040 }
2041
2042 // TODO: Make this faster by storing the last updated selection rect, and only
2043 // adjusting things that are in the area that appears/disappeared.
2044 // We probably need a tree to be able to find events in O(log(n)) time.
2045
2046 for (Events::iterator i = _events.begin(); i != _events.end(); ++i) {
2047
2048 /* check if any corner of the note is inside the rect
2049
2050 Notes:
2051 1) this is computing "touched by", not "contained by" the rect.
2052 2) this does not require that events be sorted in time.
2053 */
2054
2055 const double ix1 = (*i)->x1();
2056 const double ix2 = (*i)->x2();
2057 const double iy1 = (*i)->y1();
2058 const double iy2 = (*i)->y2();
2059
2060 if ((ix1 >= x1 && ix1 <= x2 && iy1 >= y1 && iy1 <= y2) ||
2061 (ix1 >= x1 && ix1 <= x2 && iy2 >= y1 && iy2 <= y2) ||
2062 (ix2 >= x1 && ix2 <= x2 && iy1 >= y1 && iy1 <= y2) ||
2063 (ix2 >= x1 && ix2 <= x2 && iy2 >= y1 && iy2 <= y2)) {
2064
2065 // Inside rectangle
2066 if (!(*i)->selected()) {
2067 add_to_selection (*i);
2068 }
2069 } else if ((*i)->selected()) {
2070 // Not inside rectangle
2071 remove_from_selection (*i);
2072 }
2073 }
2074 }
2075
2076 void
2077 MidiRegionView::remove_from_selection (CanvasNoteEvent* ev)
2078 {
2079 Selection::iterator i = _selection.find (ev);
2080
2081 if (i != _selection.end()) {
2082 _selection.erase (i);
2083 }
2084
2085 ev->set_selected (false);
2086 ev->hide_velocity ();
2087
2088 if (_selection.empty()) {
2089 PublicEditor& editor (trackview.editor());
2090 editor.get_selection().remove (this);
2091 }
2092 }
2093
2094 void
2095 MidiRegionView::add_to_selection (CanvasNoteEvent* ev)
2096 {
2097 bool add_mrv_selection = false;
2098
2099 if (_selection.empty()) {
2100 add_mrv_selection = true;
2101 }
2102
2103 if (_selection.insert (ev).second) {
2104 ev->set_selected (true);
2105 play_midi_note ((ev)->note());
2106 }
2107
2108 if (add_mrv_selection) {
2109 PublicEditor& editor (trackview.editor());
2110 editor.get_selection().add (this);
2111 }
2112 }
2113
2114 void
2115 MidiRegionView::move_selection(double dx, double dy, double cumulative_dy)
2116 {
2117 typedef vector<boost::shared_ptr<NoteType> > PossibleChord;
2118 PossibleChord to_play;
2119 Evoral::MusicalTime earliest = Evoral::MaxMusicalTime;
2120
2121 for (Selection::iterator i = _selection.begin(); i != _selection.end(); ++i) {
2122 if ((*i)->note()->time() < earliest) {
2123 earliest = (*i)->note()->time();
2124 }
2125 }
2126
2127 for (Selection::iterator i = _selection.begin(); i != _selection.end(); ++i) {
2128 if (Evoral::musical_time_equal ((*i)->note()->time(), earliest)) {
2129 to_play.push_back ((*i)->note());
2130 }
2131 (*i)->move_event(dx, dy);
2132 }
2133
2134 if (dy && !_selection.empty() && !no_sound_notes && trackview.editor().sound_notes()) {
2135
2136 if (to_play.size() > 1) {
2137
2138 PossibleChord shifted;
2139
2140 for (PossibleChord::iterator n = to_play.begin(); n != to_play.end(); ++n) {
2141 boost::shared_ptr<NoteType> moved_note (new NoteType (**n));
2142 moved_note->set_note (moved_note->note() + cumulative_dy);
2143 shifted.push_back (moved_note);
2144 }
2145
2146 play_midi_chord (shifted);
2147
2148 } else if (!to_play.empty()) {
2149
2150 boost::shared_ptr<NoteType> moved_note (new NoteType (*to_play.front()));
2151 moved_note->set_note (moved_note->note() + cumulative_dy);
2152 play_midi_note (moved_note);
2153 }
2154 }
2155 }
2156
2157 void
2158 MidiRegionView::note_dropped(CanvasNoteEvent *, frameoffset_t dt, int8_t dnote)
2159 {
2160 assert (!_selection.empty());
2161
2162 uint8_t lowest_note_in_selection = 127;
2163 uint8_t highest_note_in_selection = 0;
2164 uint8_t highest_note_difference = 0;
2165
2166 // find highest and lowest notes first
2167
2168 for (Selection::iterator i = _selection.begin(); i != _selection.end(); ++i) {
2169 uint8_t pitch = (*i)->note()->note();
2170 lowest_note_in_selection = std::min(lowest_note_in_selection, pitch);
2171 highest_note_in_selection = std::max(highest_note_in_selection, pitch);
2172 }
2173
2174 /*
2175 cerr << "dnote: " << (int) dnote << endl;
2176 cerr << "lowest note (streamview): " << int(midi_stream_view()->lowest_note())
2177 << " highest note (streamview): " << int(midi_stream_view()->highest_note()) << endl;
2178 cerr << "lowest note (selection): " << int(lowest_note_in_selection) << " highest note(selection): "
2179 << int(highest_note_in_selection) << endl;
2180 cerr << "selection size: " << _selection.size() << endl;
2181 cerr << "Highest note in selection: " << (int) highest_note_in_selection << endl;
2182 */
2183
2184 // Make sure the note pitch does not exceed the MIDI standard range
2185 if (highest_note_in_selection + dnote > 127) {
2186 highest_note_difference = highest_note_in_selection - 127;
2187 }
2188
2189 start_note_diff_command (_("move notes"));
2190
2191 for (Selection::iterator i = _selection.begin(); i != _selection.end() ; ++i) {
2192
2193 Evoral::MusicalTime new_time = frames_to_beats (beats_to_frames ((*i)->note()->time()) + dt);
2194
2195 if (new_time < 0) {
2196 continue;
2197 }
2198
2199 note_diff_add_change (*i, MidiModel::NoteDiffCommand::StartTime, new_time);
2200
2201 uint8_t original_pitch = (*i)->note()->note();
2202 uint8_t new_pitch = original_pitch + dnote - highest_note_difference;
2203
2204 // keep notes in standard midi range
2205 clamp_to_0_127(new_pitch);
2206
2207 // keep original pitch if note is dragged outside valid midi range
2208 if ((original_pitch != 0 && new_pitch == 0)
2209 || (original_pitch != 127 && new_pitch == 127)) {
2210 new_pitch = original_pitch;
2211 }
2212
2213 lowest_note_in_selection = std::min(lowest_note_in_selection, new_pitch);
2214 highest_note_in_selection = std::max(highest_note_in_selection, new_pitch);
2215
2216 note_diff_add_change (*i, MidiModel::NoteDiffCommand::NoteNumber, new_pitch);
2217 }
2218
2219 apply_diff();
2220
2221 // care about notes being moved beyond the upper/lower bounds on the canvas
2222 if (lowest_note_in_selection < midi_stream_view()->lowest_note() ||
2223 highest_note_in_selection > midi_stream_view()->highest_note()) {
2224 midi_stream_view()->set_note_range(MidiStreamView::ContentsRange);
2225 }
2226 }
2227
2228 framepos_t
2229 MidiRegionView::snap_pixel_to_frame(double x)
2230 {
2231 PublicEditor& editor (trackview.editor());
2232 return snap_frame_to_frame (editor.pixel_to_frame (x));
2233 }
2234
2235 /** Snap a frame offset within our region using the current snap settings.
2236 * @param x Frame offset from this region's position.
2237 * @return Snapped frame offset from this region's position.
2238 */
2239 frameoffset_t
2240 MidiRegionView::snap_frame_to_frame (frameoffset_t x)
2241 {
2242 PublicEditor& editor = trackview.editor();
2243
2244 /* x is region relative, convert it to global absolute frames */
2245 framepos_t const session_frame = x + _region->position();
2246
2247 /* try a snap in either direction */
2248 framepos_t frame = session_frame;
2249 editor.snap_to (frame, 0);
2250
2251 /* if we went off the beginning of the region, snap forwards */
2252 if (frame < _region->position ()) {
2253 frame = session_frame;
2254 editor.snap_to (frame, 1);
2255 }
2256
2257 /* back to region relative */
2258 return frame - _region->position();
2259 }
2260
2261 double
2262 MidiRegionView::snap_to_pixel(double x)
2263 {
2264 return (double) trackview.editor().frame_to_pixel(snap_pixel_to_frame(x));
2265 }
2266
2267 double
2268 MidiRegionView::get_position_pixels()
2269 {
2270 framepos_t region_frame = get_position();
2271 return trackview.editor().frame_to_pixel(region_frame);
2272 }
2273
2274 double
2275 MidiRegionView::get_end_position_pixels()
2276 {
2277 framepos_t frame = get_position() + get_duration ();
2278 return trackview.editor().frame_to_pixel(frame);
2279 }
2280
2281 framepos_t
2282 MidiRegionView::beats_to_frames(double beats) const
2283 {
2284 return _time_converter.to(beats);
2285 }
2286
2287 double
2288 MidiRegionView::frames_to_beats(framepos_t frames) const
2289 {
2290 return _time_converter.from(frames);
2291 }
2292
2293 void
2294 MidiRegionView::begin_resizing (bool /*at_front*/)
2295 {
2296 _resize_data.clear();
2297
2298 for (Selection::iterator i = _selection.begin(); i != _selection.end(); ++i) {
2299 CanvasNote *note = dynamic_cast<CanvasNote *> (*i);
2300
2301 // only insert CanvasNotes into the map
2302 if (note) {
2303 NoteResizeData *resize_data = new NoteResizeData();
2304 resize_data->canvas_note = note;
2305
2306 // create a new SimpleRect from the note which will be the resize preview
2307 SimpleRect *resize_rect = new SimpleRect(
2308 *_note_group, note->x1(), note->y1(), note->x2(), note->y2());
2309
2310 // calculate the colors: get the color settings
2311 uint32_t fill_color = UINT_RGBA_CHANGE_A(
2312 ARDOUR_UI::config()->canvasvar_MidiNoteSelected.get(),
2313 128);
2314
2315 // make the resize preview notes more transparent and bright
2316 fill_color = UINT_INTERPOLATE(fill_color, 0xFFFFFF40, 0.5);
2317
2318 // calculate color based on note velocity
2319 resize_rect->property_fill_color_rgba() = UINT_INTERPOLATE(
2320 CanvasNoteEvent::meter_style_fill_color(note->note()->velocity(), note->selected()),
2321 fill_color,
2322 0.85);
2323
2324 resize_rect->property_outline_color_rgba() = CanvasNoteEvent::calculate_outline(
2325 ARDOUR_UI::config()->canvasvar_MidiNoteSelected.get());
2326
2327 resize_data->resize_rect = resize_rect;
2328 _resize_data.push_back(resize_data);
2329 }
2330 }
2331 }
2332
2333 /** Update resizing notes while user drags.
2334 * @param primary `primary' note for the drag; ie the one that is used as the reference in non-relative mode.
2335 * @param at_front which end of the note (true == note on, false == note off)
2336 * @param delta_x change in mouse position since the start of the drag
2337 * @param relative true if relative resizing is taking place, false if absolute resizing. This only makes
2338 * a difference when multiple notes are being resized; in relative mode, each note's length is changed by the
2339 * amount of the drag. In non-relative mode, all selected notes are set to have the same start or end point
2340 * as the \a primary note.
2341 */
2342 void
2343 MidiRegionView::update_resizing (ArdourCanvas::CanvasNoteEvent* primary, bool at_front, double delta_x, bool relative)
2344 {
2345 bool cursor_set = false;
2346
2347 for (std::vector<NoteResizeData *>::iterator i = _resize_data.begin(); i != _resize_data.end(); ++i) {
2348 SimpleRect* resize_rect = (*i)->resize_rect;
2349 CanvasNote* canvas_note = (*i)->canvas_note;
2350 double current_x;
2351
2352 if (at_front) {
2353 if (relative) {
2354 current_x = canvas_note->x1() + delta_x;
2355 } else {
2356 current_x = primary->x1() + delta_x;
2357 }
2358 } else {
2359 if (relative) {
2360 current_x = canvas_note->x2() + delta_x;
2361 } else {
2362 current_x = primary->x2() + delta_x;
2363 }
2364 }
2365
2366 if (at_front) {
2367 resize_rect->property_x1() = snap_to_pixel(current_x);
2368 resize_rect->property_x2() = canvas_note->x2();
2369 } else {
2370 resize_rect->property_x2() = snap_to_pixel(current_x);
2371 resize_rect->property_x1() = canvas_note->x1();
2372 }
2373
2374 if (!cursor_set) {
2375 double beats;
2376
2377 beats = snap_pixel_to_frame (current_x);
2378 beats = frames_to_beats (beats);
2379
2380 double len;
2381
2382 if (at_front) {
2383 if (beats < canvas_note->note()->end_time()) {
2384 len = canvas_note->note()->time() - beats;
2385 len += canvas_note->note()->length();
2386 } else {
2387 len = 0;
2388 }
2389 } else {
2390 if (beats >= canvas_note->note()->time()) {
2391 len = beats - canvas_note->note()->time();
2392 } else {
2393 len = 0;
2394 }
2395 }
2396
2397 char buf[16];
2398 snprintf (buf, sizeof (buf), "%.3g beats", len);
2399 show_verbose_cursor (buf, 0, 0);
2400
2401 cursor_set = true;
2402 }
2403
2404 }
2405 }
2406
2407
2408 /** Finish resizing notes when the user releases the mouse button.
2409 * Parameters the same as for \a update_resizing().
2410 */
2411 void
2412 MidiRegionView::commit_resizing (ArdourCanvas::CanvasNoteEvent* primary, bool at_front, double delta_x, bool relative)
2413 {
2414 start_note_diff_command (_("resize notes"));
2415
2416 for (std::vector<NoteResizeData *>::iterator i = _resize_data.begin(); i != _resize_data.end(); ++i) {
2417 CanvasNote* canvas_note = (*i)->canvas_note;
2418 SimpleRect* resize_rect = (*i)->resize_rect;
2419 double current_x;
2420
2421 if (at_front) {
2422 if (relative) {
2423 current_x = canvas_note->x1() + delta_x;
2424 } else {
2425 current_x = primary->x1() + delta_x;
2426 }
2427 } else {
2428 if (relative) {
2429 current_x = canvas_note->x2() + delta_x;
2430 } else {
2431 current_x = primary->x2() + delta_x;
2432 }
2433 }
2434
2435 current_x = snap_pixel_to_frame (current_x);
2436 current_x = frames_to_beats (current_x);
2437
2438 if (at_front && current_x < canvas_note->note()->end_time()) {
2439 note_diff_add_change (canvas_note, MidiModel::NoteDiffCommand::StartTime, current_x);
2440
2441 double len = canvas_note->note()->time() - current_x;
2442 len += canvas_note->note()->length();
2443
2444 if (len > 0) {
2445 /* XXX convert to beats */
2446 note_diff_add_change (canvas_note, MidiModel::NoteDiffCommand::Length, len);
2447 }
2448 }
2449
2450 if (!at_front) {
2451 double len = current_x - canvas_note->note()->time();
2452
2453 if (len > 0) {
2454 /* XXX convert to beats */
2455 note_diff_add_change (canvas_note, MidiModel::NoteDiffCommand::Length, len);
2456 }
2457 }
2458
2459 delete resize_rect;
2460 delete (*i);
2461 }
2462
2463 _resize_data.clear();
2464 apply_diff();
2465 }
2466
2467 void
2468 MidiRegionView::change_note_channel (CanvasNoteEvent* event, int8_t channel)
2469 {
2470 note_diff_add_change (event, MidiModel::NoteDiffCommand::Channel, (uint8_t) channel);
2471 }
2472
2473 void
2474 MidiRegionView::change_note_velocity(CanvasNoteEvent* event, int8_t velocity, bool relative)
2475 {
2476 uint8_t new_velocity;
2477
2478 if (relative) {
2479 new_velocity = event->note()->velocity() + velocity;
2480 clamp_to_0_127(new_velocity);
2481 } else {
2482 new_velocity = velocity;
2483 }
2484
2485 event->set_selected (event->selected()); // change color
2486
2487 note_diff_add_change (event, MidiModel::NoteDiffCommand::Velocity, new_velocity);
2488 }
2489
2490 void
2491 MidiRegionView::change_note_note (CanvasNoteEvent* event, int8_t note, bool relative)
2492 {
2493 uint8_t new_note;
2494
2495 if (relative) {
2496 new_note = event->note()->note() + note;
2497 } else {
2498 new_note = note;
2499 }
2500
2501 clamp_to_0_127 (new_note);
2502 note_diff_add_change (event, MidiModel::NoteDiffCommand::NoteNumber, new_note);
2503 }
2504
2505 void
2506 MidiRegionView::trim_note (CanvasNoteEvent* event, Evoral::MusicalTime front_delta, Evoral::MusicalTime end_delta)
2507 {
2508 bool change_start = false;
2509 bool change_length = false;
2510 Evoral::MusicalTime new_start = 0;
2511 Evoral::MusicalTime new_length = 0;
2512
2513 /* NOTE: the semantics of the two delta arguments are slightly subtle:
2514
2515 front_delta: if positive - move the start of the note later in time (shortening it)
2516 if negative - move the start of the note earlier in time (lengthening it)
2517
2518 end_delta: if positive - move the end of the note later in time (lengthening it)
2519 if negative - move the end of the note earlier in time (shortening it)
2520 */
2521
2522 if (front_delta) {
2523 if (front_delta < 0) {
2524
2525 if (event->note()->time() < -front_delta) {
2526 new_start = 0;
2527 } else {
2528 new_start = event->note()->time() + front_delta; // moves earlier
2529 }
2530
2531 /* start moved toward zero, so move the end point out to where it used to be.
2532 Note that front_delta is negative, so this increases the length.
2533 */
2534
2535 new_length = event->note()->length() - front_delta;
2536 change_start = true;
2537 change_length = true;
2538
2539 } else {
2540
2541 Evoral::MusicalTime new_pos = event->note()->time() + front_delta;
2542
2543 if (new_pos < event->note()->end_time()) {
2544 new_start = event->note()->time() + front_delta;
2545 /* start moved toward the end, so move the end point back to where it used to be */
2546 new_length = event->note()->length() - front_delta;
2547 change_start = true;
2548 change_length = true;
2549 }
2550 }
2551
2552 }
2553
2554 if (end_delta) {
2555 bool can_change = true;
2556 if (end_delta < 0) {
2557 if (event->note()->length() < -end_delta) {
2558 can_change = false;
2559 }
2560 }
2561
2562 if (can_change) {
2563 new_length = event->note()->length() + end_delta;
2564 change_length = true;
2565 }
2566 }
2567
2568 if (change_start) {
2569 note_diff_add_change (event, MidiModel::NoteDiffCommand::StartTime, new_start);
2570 }
2571
2572 if (change_length) {
2573 note_diff_add_change (event, MidiModel::NoteDiffCommand::Length, new_length);
2574 }
2575 }
2576
2577 void
2578 MidiRegionView::change_note_time (CanvasNoteEvent* event, Evoral::MusicalTime delta, bool relative)
2579 {
2580 Evoral::MusicalTime new_time;
2581
2582 if (relative) {
2583 if (delta < 0.0) {
2584 if (event->note()->time() < -delta) {
2585 new_time = 0;
2586 } else {
2587 new_time = event->note()->time() + delta;
2588 }
2589 } else {
2590 new_time = event->note()->time() + delta;
2591 }
2592 } else {
2593 new_time = delta;
2594 }
2595
2596 note_diff_add_change (event, MidiModel::NoteDiffCommand::StartTime, new_time);
2597 }
2598
2599 void
2600 MidiRegionView::change_note_length (CanvasNoteEvent* event, Evoral::MusicalTime t)
2601 {
2602 note_diff_add_change (event, MidiModel::NoteDiffCommand::Length, t);
2603 }
2604
2605 void
2606 MidiRegionView::change_velocities (bool up, bool fine, bool allow_smush)
2607 {
2608 int8_t delta;
2609
2610 if (_selection.empty()) {
2611 return;
2612 }
2613
2614 if (fine) {
2615 delta = 1;
2616 } else {
2617 delta = 10;
2618 }
2619
2620 if (!up) {
2621 delta = -delta;
2622 }
2623
2624 if (!allow_smush) {
2625 for (Selection::iterator i = _selection.begin(); i != _selection.end(); ++i) {
2626 if ((*i)->note()->velocity() + delta == 0 || (*i)->note()->velocity() + delta == 127) {
2627 return;
2628 }
2629 }
2630 }
2631
2632 start_note_diff_command (_("change velocities"));
2633
2634 for (Selection::iterator i = _selection.begin(); i != _selection.end();) {
2635 Selection::iterator next = i;
2636 ++next;
2637 change_note_velocity (*i, delta, true);
2638 i = next;
2639 }
2640
2641 apply_diff();
2642
2643 if (!_selection.empty()) {
2644 char buf[24];
2645 snprintf (buf, sizeof (buf), "Vel %d",
2646 (int) (*_selection.begin())->note()->velocity());
2647 show_verbose_cursor (buf, 10, 10);
2648 }
2649 }
2650
2651
2652 void
2653 MidiRegionView::transpose (bool up, bool fine, bool allow_smush)
2654 {
2655 if (_selection.empty()) {
2656 return;
2657 }
2658
2659 int8_t delta;
2660
2661 if (fine) {
2662 delta = 1;
2663 } else {
2664 delta = 12;
2665 }
2666
2667 if (!up) {
2668 delta = -delta;
2669 }
2670
2671 if (!allow_smush) {
2672 for (Selection::iterator i = _selection.begin(); i != _selection.end(); ++i) {
2673 if (!up) {
2674 if ((int8_t) (*i)->note()->note() + delta <= 0) {
2675 return;
2676 }
2677 } else {
2678 if ((int8_t) (*i)->note()->note() + delta > 127) {
2679 return;
2680 }
2681 }
2682 }
2683 }
2684
2685 start_note_diff_command (_("transpose"));
2686
2687 for (Selection::iterator i = _selection.begin(); i != _selection.end(); ) {
2688 Selection::iterator next = i;
2689 ++next;
2690 change_note_note (*i, delta, true);
2691 i = next;
2692 }
2693
2694 apply_diff ();
2695 }
2696
2697 void
2698 MidiRegionView::change_note_lengths (bool fine, bool shorter, Evoral::MusicalTime delta, bool start, bool end)
2699 {
2700 if (delta == 0.0) {
2701 if (fine) {
2702 delta = 1.0/128.0;
2703 } else {
2704 /* grab the current grid distance */
2705 bool success;
2706 delta = trackview.editor().get_grid_type_as_beats (success, _region->position());
2707 if (!success) {
2708 /* XXX cannot get grid type as beats ... should always be possible ... FIX ME */
2709 cerr << "Grid type not available as beats - TO BE FIXED\n";
2710 return;
2711 }
2712 }
2713 }
2714
2715 if (shorter) {
2716 delta = -delta;
2717 }
2718
2719 start_note_diff_command (_("change note lengths"));
2720
2721 for (Selection::iterator i = _selection.begin(); i != _selection.end(); ) {
2722 Selection::iterator next = i;
2723 ++next;
2724
2725 /* note the negation of the delta for start */
2726
2727 trim_note (*i, (start ? -delta : 0), (end ? delta : 0));
2728 i = next;
2729 }
2730
2731 apply_diff ();
2732
2733 }
2734
2735 void
2736 MidiRegionView::nudge_notes (bool forward)
2737 {
2738 if (_selection.empty()) {
2739 return;
2740 }
2741
2742 /* pick a note as the point along the timeline to get the nudge distance.
2743 its not necessarily the earliest note, so we may want to pull the notes out
2744 into a vector and sort before using the first one.
2745 */
2746
2747 framepos_t ref_point = _region->position() + beats_to_frames ((*(_selection.begin()))->note()->time());
2748 framepos_t unused;
2749 framepos_t distance;
2750
2751 if (trackview.editor().snap_mode() == Editing::SnapOff) {
2752
2753 /* grid is off - use nudge distance */
2754
2755 distance = trackview.editor().get_nudge_distance (ref_point, unused);
2756
2757 } else {
2758
2759 /* use grid */
2760
2761 framepos_t next_pos = ref_point;
2762
2763 if (forward) {
2764 if (max_framepos - 1 < next_pos) {
2765 next_pos += 1;
2766 }
2767 } else {
2768 if (next_pos == 0) {
2769 return;
2770 }
2771 next_pos -= 1;
2772 }
2773
2774 trackview.editor().snap_to (next_pos, (forward ? 1 : -1), false);
2775 distance = ref_point - next_pos;
2776 }
2777
2778 if (distance == 0) {
2779 return;
2780 }
2781
2782 Evoral::MusicalTime delta = frames_to_beats (fabs (distance));
2783
2784 if (!forward) {
2785 delta = -delta;
2786 }
2787
2788 start_note_diff_command (_("nudge"));
2789
2790 for (Selection::iterator i = _selection.begin(); i != _selection.end(); ) {
2791 Selection::iterator next = i;
2792 ++next;
2793 change_note_time (*i, delta, true);
2794 i = next;
2795 }
2796
2797 apply_diff ();
2798 }
2799
2800 void
2801 MidiRegionView::change_channel(uint8_t channel)
2802 {
2803 start_note_diff_command(_("change channel"));
2804 for (Selection::iterator i = _selection.begin(); i != _selection.end(); ++i) {
2805 note_diff_add_change (*i, MidiModel::NoteDiffCommand::Channel, channel);
2806 }
2807
2808 apply_diff();
2809 }
2810
2811
2812 void
2813 MidiRegionView::note_entered(ArdourCanvas::CanvasNoteEvent* ev)
2814 {
2815 Editor* editor = dynamic_cast<Editor*>(&trackview.editor());
2816
2817 pre_enter_cursor = editor->get_canvas_cursor ();
2818
2819 if (_mouse_state == SelectTouchDragging) {
2820 note_selected (ev, true);
2821 }
2822
2823 show_verbose_cursor (ev->note ());
2824 }
2825
2826 void
2827 MidiRegionView::note_left (ArdourCanvas::CanvasNoteEvent*)
2828 {
2829 Editor* editor = dynamic_cast<Editor*>(&trackview.editor());
2830
2831 for (Selection::iterator i = _selection.begin(); i != _selection.end(); ++i) {
2832 (*i)->hide_velocity ();
2833 }
2834
2835 editor->verbose_cursor()->hide ();
2836
2837 if (pre_enter_cursor) {
2838 editor->set_canvas_cursor (pre_enter_cursor);
2839 pre_enter_cursor = 0;
2840 }
2841 }
2842
2843 void
2844 MidiRegionView::patch_entered (ArdourCanvas::CanvasPatchChange* ev)
2845 {
2846 ostringstream s;
2847 s << ((int) ev->patch()->program() + 1) << ":" << (ev->patch()->bank() + 1);
2848 show_verbose_cursor (s.str(), 10, 20);
2849 }
2850
2851 void
2852 MidiRegionView::patch_left (ArdourCanvas::CanvasPatchChange *)
2853 {
2854 trackview.editor().verbose_cursor()->hide ();
2855 }
2856
2857 void
2858 MidiRegionView::note_mouse_position (float x_fraction, float /*y_fraction*/, bool can_set_cursor)
2859 {
2860 Editor* editor = dynamic_cast<Editor*>(&trackview.editor());
2861
2862 if (x_fraction > 0.0 && x_fraction < 0.25) {
2863 editor->set_canvas_cursor (editor->cursors()->left_side_trim);
2864 } else if (x_fraction >= 0.75 && x_fraction < 1.0) {
2865 editor->set_canvas_cursor (editor->cursors()->right_side_trim);
2866 } else {
2867 if (pre_enter_cursor && can_set_cursor) {
2868 editor->set_canvas_cursor (pre_enter_cursor);
2869 }
2870 }
2871 }
2872
2873 void
2874 MidiRegionView::set_frame_color()
2875 {
2876 uint32_t f;
2877
2878 TimeAxisViewItem::set_frame_color ();
2879
2880 if (!frame) {
2881 return;
2882 }
2883
2884 if (_selected) {
2885 f = ARDOUR_UI::config()->canvasvar_SelectedFrameBase.get();
2886 } else if (high_enough_for_name) {
2887 f= ARDOUR_UI::config()->canvasvar_MidiFrameBase.get();
2888 } else {
2889 f = fill_color;
2890 }
2891
2892 if (!rect_visible) {
2893 f = UINT_RGBA_CHANGE_A (f, 0);
2894 }
2895
2896 frame->property_fill_color_rgba() = f;
2897 }
2898
2899 void
2900 MidiRegionView::midi_channel_mode_changed(ChannelMode mode, uint16_t mask)
2901 {
2902 switch (mode) {
2903 case AllChannels:
2904 case FilterChannels:
2905 _force_channel = -1;
2906 break;
2907 case ForceChannel:
2908 _force_channel = mask;
2909 mask = 0xFFFF; // Show all notes as active (below)
2910 };
2911
2912 // Update notes for selection
2913 for (Events::iterator i = _events.begin(); i != _events.end(); ++i) {
2914 (*i)->on_channel_selection_change(mask);
2915 }
2916
2917 _last_channel_selection = mask;
2918
2919 _patch_changes.clear ();
2920 display_patch_changes ();
2921 }
2922
2923 void
2924 MidiRegionView::midi_patch_settings_changed(std::string model, std::string custom_device_mode)
2925 {
2926 _model_name = model;
2927 _custom_device_mode = custom_device_mode;
2928 redisplay_model();
2929 }
2930
2931 void
2932 MidiRegionView::cut_copy_clear (Editing::CutCopyOp op)
2933 {
2934 if (_selection.empty()) {
2935 return;
2936 }
2937
2938 PublicEditor& editor (trackview.editor());
2939
2940 switch (op) {
2941 case Cut:
2942 case Copy:
2943 editor.get_cut_buffer().add (selection_as_cut_buffer());
2944 break;
2945 default:
2946 break;
2947 }
2948
2949 if (op != Copy) {
2950
2951 start_note_diff_command();
2952
2953 for (Selection::iterator i = _selection.begin(); i != _selection.end(); ++i) {
2954 switch (op) {
2955 case Copy:
2956 break;
2957 case Cut:
2958 case Clear:
2959 note_diff_remove_note (*i);
2960 break;
2961 }
2962 }
2963
2964 apply_diff();
2965 }
2966 }
2967
2968 MidiCutBuffer*
2969 MidiRegionView::selection_as_cut_buffer () const
2970 {
2971 Notes notes;
2972
2973 for (Selection::iterator i = _selection.begin(); i != _selection.end(); ++i) {
2974 NoteType* n = (*i)->note().get();
2975 notes.insert (boost::shared_ptr<NoteType> (new NoteType (*n)));
2976 }
2977
2978 MidiCutBuffer* cb = new MidiCutBuffer (trackview.session());
2979 cb->set (notes);
2980
2981 return cb;
2982 }
2983
2984 /** This method handles undo */
2985 void
2986 MidiRegionView::paste (framepos_t pos, float times, const MidiCutBuffer& mcb)
2987 {
2988 if (mcb.empty()) {
2989 return;
2990 }
2991
2992 DEBUG_TRACE (DEBUG::CutNPaste, string_compose ("MIDI paste @ %1 times %2\n", pos, times));
2993
2994 trackview.session()->begin_reversible_command (_("paste"));
2995
2996 start_note_diff_command (_("paste"));
2997
2998 Evoral::MusicalTime beat_delta;
2999 Evoral::MusicalTime paste_pos_beats;
3000 Evoral::MusicalTime duration;
3001 Evoral::MusicalTime end_point = 0;
3002
3003 duration = (*mcb.notes().rbegin())->end_time() - (*mcb.notes().begin())->time();
3004 paste_pos_beats = frames_to_beats (pos - _region->position());
3005 beat_delta = (*mcb.notes().begin())->time() - paste_pos_beats;
3006 paste_pos_beats = 0;
3007
3008 DEBUG_TRACE (DEBUG::CutNPaste, string_compose ("Paste data spans from %1 to %2 (%3) ; paste pos beats = %4 (based on %5 - %6 ; beat delta = %7\n",
3009 (*mcb.notes().begin())->time(),
3010 (*mcb.notes().rbegin())->end_time(),
3011 duration, pos, _region->position(),
3012 paste_pos_beats, beat_delta));
3013
3014 clear_selection ();
3015
3016 for (int n = 0; n < (int) times; ++n) {
3017
3018 for (Notes::const_iterator i = mcb.notes().begin(); i != mcb.notes().end(); ++i) {
3019
3020 boost::shared_ptr<NoteType> copied_note (new NoteType (*((*i).get())));
3021 copied_note->set_time (paste_pos_beats + copied_note->time() - beat_delta);
3022
3023 /* make all newly added notes selected */
3024
3025 note_diff_add_note (copied_note, true);
3026 end_point = copied_note->end_time();
3027 }
3028
3029 paste_pos_beats += duration;
3030 }
3031
3032 /* if we pasted past the current end of the region, extend the region */
3033
3034 framepos_t end_frame = _region->position() + beats_to_frames (end_point);
3035 framepos_t region_end = _region->position() + _region->length() - 1;
3036
3037 if (end_frame > region_end) {
3038
3039 DEBUG_TRACE (DEBUG::CutNPaste, string_compose ("Paste extended region from %1 to %2\n", region_end, end_frame));
3040
3041 _region->clear_changes ();
3042 _region->set_length (end_frame, this);
3043 trackview.session()->add_command (new StatefulDiffCommand (_region));
3044 }
3045
3046 apply_diff (true);
3047
3048 trackview.session()->commit_reversible_command ();
3049 }
3050
3051 struct EventNoteTimeEarlyFirstComparator {
3052 bool operator() (CanvasNoteEvent* a, CanvasNoteEvent* b) {
3053 return a->note()->time() < b->note()->time();
3054 }
3055 };
3056
3057 void
3058 MidiRegionView::time_sort_events ()
3059 {
3060 if (!_sort_needed) {
3061 return;
3062 }
3063
3064 EventNoteTimeEarlyFirstComparator cmp;
3065 _events.sort (cmp);
3066
3067 _sort_needed = false;
3068 }
3069
3070 void
3071 MidiRegionView::goto_next_note ()
3072 {
3073 // framepos_t pos = -1;
3074 bool use_next = false;
3075
3076 if (_events.back()->selected()) {
3077 return;
3078 }
3079
3080 time_sort_events ();
3081
3082 for (Events::iterator i = _events.begin(); i != _events.end(); ++i) {
3083 if ((*i)->selected()) {
3084 use_next = true;
3085 continue;
3086 } else if (use_next) {
3087 unique_select (*i);
3088 // pos = _region->position() + beats_to_frames ((*i)->note()->time());
3089 return;
3090 }
3091 }
3092
3093 /* use the first one */
3094
3095 unique_select (_events.front());
3096
3097 }
3098
3099 void
3100 MidiRegionView::goto_previous_note ()
3101 {
3102 // framepos_t pos = -1;
3103 bool use_next = false;
3104
3105 if (_events.front()->selected()) {
3106 return;
3107 }
3108
3109 time_sort_events ();
3110
3111 for (Events::reverse_iterator i = _events.rbegin(); i != _events.rend(); ++i) {
3112 if ((*i)->selected()) {
3113 use_next = true;
3114 continue;
3115 } else if (use_next) {
3116 unique_select (*i);
3117 // pos = _region->position() + beats_to_frames ((*i)->note()->time());
3118 return;
3119 }
3120 }
3121
3122 /* use the last one */
3123
3124 unique_select (*(_events.rbegin()));
3125 }
3126
3127 void
3128 MidiRegionView::selection_as_notelist (Notes& selected, bool allow_all_if_none_selected)
3129 {
3130 bool had_selected = false;
3131
3132 time_sort_events ();
3133
3134 for (Events::iterator i = _events.begin(); i != _events.end(); ++i) {
3135 if ((*i)->selected()) {
3136 selected.insert ((*i)->note());
3137 had_selected = true;
3138 }
3139 }
3140
3141 if (allow_all_if_none_selected && !had_selected) {
3142 for (Events::iterator i = _events.begin(); i != _events.end(); ++i) {
3143 selected.insert ((*i)->note());
3144 }
3145 }
3146 }
3147
3148 void
3149 MidiRegionView::update_ghost_note (double x, double y)
3150 {
3151 _last_ghost_x = x;
3152 _last_ghost_y = y;
3153
3154 _note_group->w2i (x, y);
3155 framepos_t const f = snap_pixel_to_frame (x);
3156
3157 bool success;
3158 Evoral::MusicalTime beats = trackview.editor().get_grid_type_as_beats (success, f);
3159
3160 if (!success) {
3161 beats = 1;
3162 }
3163
3164 double length = frames_to_beats (snap_frame_to_frame (f + beats_to_frames (beats)) - f);
3165
3166 _ghost_note->note()->set_time (frames_to_beats (f + _region->start()));
3167 _ghost_note->note()->set_length (length);
3168 _ghost_note->note()->set_note (midi_stream_view()->y_to_note (y));
3169
3170 /* the ghost note does not appear in ghost regions, so pass false in here */
3171 update_note (_ghost_note, false);
3172
3173 show_verbose_cursor (_ghost_note->note ());
3174 }
3175
3176 void
3177 MidiRegionView::create_ghost_note (double x, double y)
3178 {
3179 delete _ghost_note;
3180 _ghost_note = 0;
3181
3182 boost::shared_ptr<NoteType> g (new NoteType);
3183 _ghost_note = new NoEventCanvasNote (*this, *_note_group, g);
3184 _ghost_note->property_outline_color_rgba() = 0x000000aa;
3185 update_ghost_note (x, y);
3186 _ghost_note->show ();
3187
3188 _last_ghost_x = x;
3189 _last_ghost_y = y;
3190
3191 show_verbose_cursor (_ghost_note->note ());
3192 }
3193
3194 void
3195 MidiRegionView::snap_changed ()
3196 {
3197 if (!_ghost_note) {
3198 return;
3199 }
3200
3201 create_ghost_note (_last_ghost_x, _last_ghost_y);
3202 }
3203
3204 void
3205 MidiRegionView::drop_down_keys ()
3206 {
3207 _mouse_state = None;
3208 }
3209
3210 void
3211 MidiRegionView::maybe_select_by_position (GdkEventButton* ev, double /*x*/, double y)
3212 {
3213 double note = midi_stream_view()->y_to_note(y);
3214 Events e;
3215 MidiTimeAxisView* const mtv = dynamic_cast<MidiTimeAxisView*>(&trackview);
3216
3217 uint16_t chn_mask = mtv->channel_selector().get_selected_channels();
3218
3219 if (Keyboard::modifier_state_equals (ev->state, Keyboard::TertiaryModifier)) {
3220 get_events (e, Evoral::Sequence<Evoral::MusicalTime>::PitchGreaterThanOrEqual, (uint8_t) floor (note), chn_mask);
3221 } else if (Keyboard::modifier_state_equals (ev->state, Keyboard::PrimaryModifier)) {
3222 get_events (e, Evoral::Sequence<Evoral::MusicalTime>::PitchLessThanOrEqual, (uint8_t) floor (note), chn_mask);
3223 } else {
3224 return;
3225 }
3226
3227 bool add_mrv_selection = false;
3228
3229 if (_selection.empty()) {
3230 add_mrv_selection = true;
3231 }
3232
3233 for (Events::iterator i = e.begin(); i != e.end(); ++i) {
3234 if (_selection.insert (*i).second) {
3235 (*i)->set_selected (true);
3236 }
3237 }
3238
3239 if (add_mrv_selection) {
3240 PublicEditor& editor (trackview.editor());
3241 editor.get_selection().add (this);
3242 }
3243 }
3244
3245 void
3246 MidiRegionView::color_handler ()
3247 {
3248 RegionView::color_handler ();
3249
3250 for (Events::iterator i = _events.begin(); i != _events.end(); ++i) {
3251 (*i)->set_selected ((*i)->selected()); // will change color
3252 }
3253
3254 /* XXX probably more to do here */
3255 }
3256
3257 void
3258 MidiRegionView::enable_display (bool yn)
3259 {
3260 RegionView::enable_display (yn);
3261 if (yn) {
3262 redisplay_model ();
3263 }
3264 }
3265
3266 void
3267 MidiRegionView::show_step_edit_cursor (Evoral::MusicalTime pos)
3268 {
3269 if (_step_edit_cursor == 0) {
3270 ArdourCanvas::Group* const group = (ArdourCanvas::Group*)get_canvas_group();
3271
3272 _step_edit_cursor = new ArdourCanvas::SimpleRect (*group);
3273 _step_edit_cursor->property_y1() = 0;
3274 _step_edit_cursor->property_y2() = midi_stream_view()->contents_height();
3275 _step_edit_cursor->property_fill_color_rgba() = RGBA_TO_UINT (45,0,0,90);
3276 _step_edit_cursor->property_outline_color_rgba() = RGBA_TO_UINT (85,0,0,90);
3277 }
3278
3279 move_step_edit_cursor (pos);
3280 _step_edit_cursor->show ();
3281 }
3282
3283 void
3284 MidiRegionView::move_step_edit_cursor (Evoral::MusicalTime pos)
3285 {
3286 _step_edit_cursor_position = pos;
3287
3288 if (_step_edit_cursor) {
3289 double pixel = trackview.editor().frame_to_pixel (beats_to_frames (pos));
3290 _step_edit_cursor->property_x1() = pixel;
3291 set_step_edit_cursor_width (_step_edit_cursor_width);
3292 }
3293 }
3294
3295 void
3296 MidiRegionView::hide_step_edit_cursor ()
3297 {
3298 if (_step_edit_cursor) {
3299 _step_edit_cursor->hide ();
3300 }
3301 }
3302
3303 void
3304 MidiRegionView::set_step_edit_cursor_width (Evoral::MusicalTime beats)
3305 {
3306 _step_edit_cursor_width = beats;
3307
3308 if (_step_edit_cursor) {
3309 _step_edit_cursor->property_x2() = _step_edit_cursor->property_x1() + trackview.editor().frame_to_pixel (beats_to_frames (beats));
3310 }
3311 }
3312
3313 /** Called when a diskstream on our track has received some data. Update the view, if applicable.
3314 * @param buf Data that has been recorded.
3315 * @param w Source that this data will end up in.
3316 */
3317 void
3318 MidiRegionView::data_recorded (boost::shared_ptr<MidiBuffer> buf, boost::weak_ptr<MidiSource> w)
3319 {
3320 if (!_active_notes) {
3321 /* we aren't actively being recorded to */
3322 return;
3323 }
3324
3325 boost::shared_ptr<MidiSource> src = w.lock ();
3326 if (!src || src != midi_region()->midi_source()) {
3327 /* recorded data was not destined for our source */
3328 return;
3329 }
3330
3331 MidiTimeAxisView* mtv = dynamic_cast<MidiTimeAxisView*> (&trackview);
3332 BeatsFramesConverter converter (trackview.session()->tempo_map(), mtv->midi_track()->get_capture_start_frame (0));
3333
3334 framepos_t back = max_framepos;
3335
3336 for (MidiBuffer::iterator i = buf->begin(); i != buf->end(); ++i) {
3337 Evoral::MIDIEvent<MidiBuffer::TimeType> const ev (*i, false);
3338 assert (ev.buffer ());
3339
3340 Evoral::MusicalTime const time_beats = converter.from (ev.time () - converter.origin_b ());
3341
3342 if (ev.type() == MIDI_CMD_NOTE_ON) {
3343
3344 boost::shared_ptr<NoteType> note (
3345 new NoteType (ev.channel(), time_beats, 0, ev.note(), ev.velocity())
3346 );
3347
3348 add_note (note, true);
3349
3350 /* fix up our note range */
3351 if (ev.note() < _current_range_min) {
3352 midi_stream_view()->apply_note_range (ev.note(), _current_range_max, true);
3353 } else if (ev.note() > _current_range_max) {
3354 midi_stream_view()->apply_note_range (_current_range_min, ev.note(), true);
3355 }
3356
3357 } else if (ev.type() == MIDI_CMD_NOTE_OFF) {
3358 resolve_note (ev.note (), time_beats);
3359 }
3360
3361 back = ev.time ();
3362 }
3363
3364 midi_stream_view()->check_record_layers (region(), back);
3365 }
3366
3367 void
3368 MidiRegionView::trim_front_starting ()
3369 {
3370 /* Reparent the note group to the region view's parent, so that it doesn't change
3371 when the region view is trimmed.
3372 */
3373 _temporary_note_group = new ArdourCanvas::Group (*group->property_parent ());
3374 _temporary_note_group->move (group->property_x(), group->property_y());
3375 _note_group->reparent (*_temporary_note_group);
3376 }
3377
3378 void
3379 MidiRegionView::trim_front_ending ()
3380 {
3381 _note_group->reparent (*group);
3382 delete _temporary_note_group;
3383 _temporary_note_group = 0;
3384
3385 if (_region->start() < 0) {
3386 /* Trim drag made start time -ve; fix this */
3387 midi_region()->fix_negative_start ();
3388 }
3389 }
3390
3391 /** @return channel (counted from 0) to add an event to, based on the current setting
3392 * of the channel selector.
3393 */
3394 uint8_t
3395 MidiRegionView::get_channel_for_add () const
3396 {
3397 MidiTimeAxisView* const mtv = dynamic_cast<MidiTimeAxisView*>(&trackview);
3398 uint16_t const chn_mask = mtv->channel_selector().get_selected_channels();
3399 int chn_cnt = 0;
3400 uint8_t channel = 0;
3401
3402 /* pick the highest selected channel, unless all channels are selected,
3403 which is interpreted to mean channel 1 (zero)
3404 */
3405
3406 for (uint16_t i = 0; i < 16; ++i) {
3407 if (chn_mask & (1<<i)) {
3408 channel = i;
3409 chn_cnt++;
3410 }
3411 }
3412
3413 if (chn_cnt == 16) {
3414 channel = 0;
3415 }
3416
3417 return channel;
3418 }
3419
3420 void
3421 MidiRegionView::edit_patch_change (ArdourCanvas::CanvasPatchChange* pc)
3422 {
3423 PatchChangeDialog d (&_time_converter, trackview.session(), *pc->patch (), Gtk::Stock::APPLY);
3424 if (d.run () != Gtk::RESPONSE_ACCEPT) {
3425 return;
3426 }
3427
3428 change_patch_change (pc->patch(), d.patch ());
3429 }
3430
3431
3432 void
3433 MidiRegionView::show_verbose_cursor (boost::shared_ptr<NoteType> n) const
3434 {
3435 char buf[24];
3436 snprintf (buf, sizeof (buf), "%s (%d) Chn %d\nVel %d",
3437 Evoral::midi_note_name (n->note()).c_str(),
3438 (int) n->note (),
3439 (int) n->channel() + 1,
3440 (int) n->velocity());
3441
3442 show_verbose_cursor (buf, 10, 20);
3443 }
3444
3445 void
3446 MidiRegionView::show_verbose_cursor (string const & text, double xoffset, double yoffset) const
3447 {
3448 double wx, wy;
3449
3450 trackview.editor().get_pointer_position (wx, wy);
3451
3452 wx += xoffset;
3453 wy += yoffset;
3454
3455 trackview.editor().verbose_cursor()->set (text, wx, wy);
3456 trackview.editor().verbose_cursor()->show ();
3457 }
Digital Audio Workstation