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use entered track for fit-tracks if in internal edit mode and no tracks or regions...
[ardour2.git] / gtk2_ardour / midi_region_view.cc
blobf7b9c8f9e0cc5808ed16afd16822ea61d81f77ee
1 /*
2 Copyright (C) 2001-2007 Paul Davis
3 Author: Dave Robillard
4
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 2 of the License, or
8 (at your option) any later version.
9
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
14
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
18 */
19
20 #include <cmath>
21 #include <cassert>
22 #include <algorithm>
23 #include <ostream>
24
25 #include <gtkmm.h>
26
27 #include <gtkmm2ext/gtk_ui.h>
28
29 #include <sigc++/signal.h>
30
31 #include "pbd/memento_command.h"
32 #include "pbd/stateful_diff_command.h"
33
34 #include "ardour/playlist.h"
35 #include "ardour/tempo.h"
36 #include "ardour/midi_region.h"
37 #include "ardour/midi_source.h"
38 #include "ardour/midi_model.h"
39 #include "ardour/midi_patch_manager.h"
40 #include "ardour/session.h"
41
42 #include "evoral/Parameter.hpp"
43 #include "evoral/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
73 #include "i18n.h"
74
75 using namespace ARDOUR;
76 using namespace PBD;
77 using namespace Editing;
78 using namespace ArdourCanvas;
79 using Gtkmm2ext::Keyboard;
80
81 MidiRegionView::MidiRegionView (ArdourCanvas::Group *parent, RouteTimeAxisView &tv,
82 boost::shared_ptr<MidiRegion> r, double spu, Gdk::Color const & basic_color)
83 : RegionView (parent, tv, r, spu, basic_color)
84 , _force_channel(-1)
85 , _last_channel_selection(0xFFFF)
86 , _current_range_min(0)
87 , _current_range_max(0)
88 , _model_name(string())
89 , _custom_device_mode(string())
90 , _active_notes(0)
91 , _note_group(new ArdourCanvas::Group(*group))
92 , _note_diff_command (0)
93 , _ghost_note(0)
94 , _drag_rect (0)
95 , _step_edit_cursor (0)
96 , _step_edit_cursor_width (1.0)
97 , _step_edit_cursor_position (0.0)
98 , _channel_selection_scoped_note (0)
99 , _temporary_note_group (0)
100 , _mouse_state(None)
101 , _pressed_button(0)
102 , _sort_needed (true)
103 , _optimization_iterator (_events.end())
104 , _list_editor (0)
105 , no_sound_notes (false)
106 , _last_event_x (0)
107 , _last_event_y (0)
108 , pre_enter_cursor (0)
109 {
110 _note_group->raise_to_top();
111 PublicEditor::DropDownKeys.connect (sigc::mem_fun (*this, &MidiRegionView::drop_down_keys));
112
113 connect_to_diskstream ();
114 }
115
116 MidiRegionView::MidiRegionView (ArdourCanvas::Group *parent, RouteTimeAxisView &tv,
117 boost::shared_ptr<MidiRegion> r, double spu, Gdk::Color& basic_color,
118 TimeAxisViewItem::Visibility visibility)
119 : RegionView (parent, tv, r, spu, basic_color, false, visibility)
120 , _force_channel(-1)
121 , _last_channel_selection(0xFFFF)
122 , _model_name(string())
123 , _custom_device_mode(string())
124 , _active_notes(0)
125 , _note_group(new ArdourCanvas::Group(*parent))
126 , _note_diff_command (0)
127 , _ghost_note(0)
128 , _drag_rect (0)
129 , _step_edit_cursor (0)
130 , _step_edit_cursor_width (1.0)
131 , _step_edit_cursor_position (0.0)
132 , _channel_selection_scoped_note (0)
133 , _temporary_note_group (0)
134 , _mouse_state(None)
135 , _pressed_button(0)
136 , _sort_needed (true)
137 , _optimization_iterator (_events.end())
138 , _list_editor (0)
139 , no_sound_notes (false)
140 , _last_event_x (0)
141 , _last_event_y (0)
142 {
143 _note_group->raise_to_top();
144 PublicEditor::DropDownKeys.connect (sigc::mem_fun (*this, &MidiRegionView::drop_down_keys));
145
146 connect_to_diskstream ();
147 }
148
149 MidiRegionView::MidiRegionView (const MidiRegionView& other)
150 : sigc::trackable(other)
151 , RegionView (other)
152 , _force_channel(-1)
153 , _last_channel_selection(0xFFFF)
154 , _model_name(string())
155 , _custom_device_mode(string())
156 , _active_notes(0)
157 , _note_group(new ArdourCanvas::Group(*get_canvas_group()))
158 , _note_diff_command (0)
159 , _ghost_note(0)
160 , _drag_rect (0)
161 , _step_edit_cursor (0)
162 , _step_edit_cursor_width (1.0)
163 , _step_edit_cursor_position (0.0)
164 , _channel_selection_scoped_note (0)
165 , _temporary_note_group (0)
166 , _mouse_state(None)
167 , _pressed_button(0)
168 , _sort_needed (true)
169 , _optimization_iterator (_events.end())
170 , _list_editor (0)
171 , no_sound_notes (false)
172 , _last_event_x (0)
173 , _last_event_y (0)
174 {
175 Gdk::Color c;
176 int r,g,b,a;
177
178 UINT_TO_RGBA (other.fill_color, &r, &g, &b, &a);
179 c.set_rgb_p (r/255.0, g/255.0, b/255.0);
180
181 init (c, false);
182 }
183
184 MidiRegionView::MidiRegionView (const MidiRegionView& other, boost::shared_ptr<MidiRegion> region)
185 : RegionView (other, boost::shared_ptr<Region> (region))
186 , _force_channel(-1)
187 , _last_channel_selection(0xFFFF)
188 , _model_name(string())
189 , _custom_device_mode(string())
190 , _active_notes(0)
191 , _note_group(new ArdourCanvas::Group(*get_canvas_group()))
192 , _note_diff_command (0)
193 , _ghost_note(0)
194 , _drag_rect (0)
195 , _step_edit_cursor (0)
196 , _step_edit_cursor_width (1.0)
197 , _step_edit_cursor_position (0.0)
198 , _channel_selection_scoped_note (0)
199 , _temporary_note_group (0)
200 , _mouse_state(None)
201 , _pressed_button(0)
202 , _sort_needed (true)
203 , _optimization_iterator (_events.end())
204 , _list_editor (0)
205 , no_sound_notes (false)
206 , _last_event_x (0)
207 , _last_event_y (0)
208 {
209 Gdk::Color c;
210 int r,g,b,a;
211
212 UINT_TO_RGBA (other.fill_color, &r, &g, &b, &a);
213 c.set_rgb_p (r/255.0, g/255.0, b/255.0);
214
215 init (c, true);
216 }
217
218 void
219 MidiRegionView::init (Gdk::Color const & basic_color, bool wfd)
220 {
221 PublicEditor::DropDownKeys.connect (sigc::mem_fun (*this, &MidiRegionView::drop_down_keys));
222
223 CanvasNoteEvent::CanvasNoteEventDeleted.connect (note_delete_connection, MISSING_INVALIDATOR,
224 ui_bind (&MidiRegionView::maybe_remove_deleted_note_from_selection, this, _1),
225 gui_context());
226
227 if (wfd) {
228 midi_region()->midi_source(0)->load_model();
229 }
230
231 _model = midi_region()->midi_source(0)->model();
232 _enable_display = false;
233
234 RegionView::init (basic_color, false);
235
236 compute_colors (basic_color);
237
238 set_height (trackview.current_height());
239
240 region_muted ();
241 region_sync_changed ();
242 region_resized (ARDOUR::bounds_change);
243 region_locked ();
244
245 reset_width_dependent_items (_pixel_width);
246
247 set_colors ();
248
249 _enable_display = true;
250 if (_model) {
251 if (wfd) {
252 display_model (_model);
253 }
254 }
255
256 group->raise_to_top();
257 group->signal_event().connect (sigc::mem_fun (this, &MidiRegionView::canvas_event), false);
258
259 midi_view()->signal_channel_mode_changed().connect(
260 sigc::mem_fun(this, &MidiRegionView::midi_channel_mode_changed));
261
262 midi_view()->signal_midi_patch_settings_changed().connect(
263 sigc::mem_fun(this, &MidiRegionView::midi_patch_settings_changed));
264
265 trackview.editor().SnapChanged.connect (snap_changed_connection, invalidator (*this), ui_bind (&MidiRegionView::snap_changed, this), gui_context ());
266
267 connect_to_diskstream ();
268 }
269
270 void
271 MidiRegionView::connect_to_diskstream ()
272 {
273 midi_view()->midi_track()->DataRecorded.connect (*this, invalidator (*this), ui_bind (&MidiRegionView::data_recorded, this, _1, _2), gui_context ());
274 }
275
276 bool
277 MidiRegionView::canvas_event(GdkEvent* ev)
278 {
279 switch (ev->type) {
280 case GDK_ENTER_NOTIFY:
281 case GDK_LEAVE_NOTIFY:
282 _last_event_x = ev->crossing.x;
283 _last_event_y = ev->crossing.y;
284 break;
285 case GDK_MOTION_NOTIFY:
286 _last_event_x = ev->motion.x;
287 _last_event_y = ev->motion.y;
288 break;
289 default:
290 break;
291 }
292
293 if (!trackview.editor().internal_editing()) {
294 return false;
295 }
296
297 switch (ev->type) {
298 case GDK_SCROLL:
299 return scroll (&ev->scroll);
300
301 case GDK_KEY_PRESS:
302 return key_press (&ev->key);
303
304 case GDK_KEY_RELEASE:
305 return key_release (&ev->key);
306
307 case GDK_BUTTON_PRESS:
308 return button_press (&ev->button);
309
310 case GDK_2BUTTON_PRESS:
311 return true;
312
313 case GDK_BUTTON_RELEASE:
314 return button_release (&ev->button);
315
316 case GDK_ENTER_NOTIFY:
317 return enter_notify (&ev->crossing);
318
319 case GDK_LEAVE_NOTIFY:
320 return leave_notify (&ev->crossing);
321
322 case GDK_MOTION_NOTIFY:
323 return motion (&ev->motion);
324
325 default:
326 break;
327 }
328
329 return false;
330 }
331
332 void
333 MidiRegionView::remove_ghost_note ()
334 {
335 delete _ghost_note;
336 _ghost_note = 0;
337 }
338
339 bool
340 MidiRegionView::enter_notify (GdkEventCrossing* ev)
341 {
342 trackview.editor().MouseModeChanged.connect (
343 _mouse_mode_connection, invalidator (*this), ui_bind (&MidiRegionView::mouse_mode_changed, this), gui_context ()
344 );
345
346 Keyboard::magic_widget_grab_focus();
347 group->grab_focus();
348
349 if (trackview.editor().current_mouse_mode() == MouseRange) {
350 create_ghost_note (ev->x, ev->y);
351 }
352
353 return false;
354 }
355
356 bool
357 MidiRegionView::leave_notify (GdkEventCrossing*)
358 {
359 _mouse_mode_connection.disconnect ();
360
361 trackview.editor().hide_verbose_canvas_cursor ();
362 remove_ghost_note ();
363 return false;
364 }
365
366 void
367 MidiRegionView::mouse_mode_changed ()
368 {
369 if (trackview.editor().current_mouse_mode() == MouseRange && trackview.editor().internal_editing()) {
370 create_ghost_note (_last_event_x, _last_event_y);
371 } else {
372 remove_ghost_note ();
373 trackview.editor().hide_verbose_canvas_cursor ();
374 }
375 }
376
377 bool
378 MidiRegionView::button_press (GdkEventButton* ev)
379 {
380 _last_x = ev->x;
381 _last_y = ev->y;
382
383 group->w2i (_last_x, _last_y);
384
385 if (_mouse_state != SelectTouchDragging) {
386
387 _pressed_button = ev->button;
388 _mouse_state = Pressed;
389
390 return true;
391 }
392
393 _pressed_button = ev->button;
394
395 return true;
396 }
397
398 bool
399 MidiRegionView::button_release (GdkEventButton* ev)
400 {
401 double event_x, event_y;
402 framepos_t event_frame = 0;
403
404 event_x = ev->x;
405 event_y = ev->y;
406
407 group->w2i(event_x, event_y);
408 group->ungrab(ev->time);
409
410 event_frame = trackview.editor().pixel_to_frame(event_x);
411
412 switch (_mouse_state) {
413 case Pressed: // Clicked
414
415 switch (trackview.editor().current_mouse_mode()) {
416 case MouseObject:
417 case MouseTimeFX:
418 {
419 clear_selection();
420
421 if (Keyboard::is_insert_note_event(ev)){
422
423 double event_x, event_y;
424
425 event_x = ev->x;
426 event_y = ev->y;
427 group->w2i(event_x, event_y);
428
429 bool success;
430 Evoral::MusicalTime beats = trackview.editor().get_grid_type_as_beats (success, trackview.editor().pixel_to_frame (event_x));
431
432 if (!success) {
433 beats = 1;
434 }
435
436 create_note_at (event_x, event_y, beats, true);
437 }
438
439 break;
440 }
441 case MouseRange:
442 {
443 bool success;
444 Evoral::MusicalTime beats = trackview.editor().get_grid_type_as_beats (success, trackview.editor().pixel_to_frame (event_x));
445
446 if (!success) {
447 beats = 1;
448 }
449
450 create_note_at (event_x, event_y, beats, true);
451
452 break;
453 }
454 default:
455 break;
456 }
457
458 _mouse_state = None;
459 break;
460
461 case SelectRectDragging: // Select drag done
462
463 _mouse_state = None;
464 delete _drag_rect;
465 _drag_rect = 0;
466 break;
467
468 case AddDragging: // Add drag done
469
470 _mouse_state = None;
471
472 if (Keyboard::is_insert_note_event(ev) || trackview.editor().current_mouse_mode() == MouseRange){
473
474 if (_drag_rect->property_x2() > _drag_rect->property_x1() + 2) {
475
476 const double x = _drag_rect->property_x1();
477 const double length = trackview.editor().pixel_to_frame (_drag_rect->property_x2() - _drag_rect->property_x1());
478
479 create_note_at (x, _drag_rect->property_y1(), frames_to_beats(length), true);
480 }
481 }
482
483 delete _drag_rect;
484 _drag_rect = 0;
485
486 create_ghost_note (ev->x, ev->y);
487
488 default:
489 break;
490 }
491
492 return false;
493 }
494
495 bool
496 MidiRegionView::motion (GdkEventMotion* ev)
497 {
498 double event_x, event_y;
499 framepos_t event_frame = 0;
500
501 event_x = ev->x;
502 event_y = ev->y;
503 group->w2i(event_x, event_y);
504
505 // convert event_x to global frame
506 event_frame = trackview.editor().pixel_to_frame(event_x) + _region->position();
507 trackview.editor().snap_to(event_frame);
508
509 // convert event_frame back to local coordinates relative to position
510 event_frame -= _region->position();
511
512 if (!_ghost_note && trackview.editor().current_mouse_mode() != MouseRange
513 && Keyboard::modifier_state_contains (ev->state, Keyboard::insert_note_modifier())
514 && _mouse_state != AddDragging){
515
516 create_ghost_note (ev->x, ev->y);
517 }
518 else if (_ghost_note && trackview.editor().current_mouse_mode() != MouseRange
519 && Keyboard::modifier_state_contains (ev->state, Keyboard::insert_note_modifier())){
520
521 update_ghost_note (ev->x, ev->y);
522 }
523 else if (_ghost_note && trackview.editor().current_mouse_mode() != MouseRange){
524
525 delete _ghost_note;
526 _ghost_note = 0;
527
528 trackview.editor().hide_verbose_canvas_cursor ();
529 }
530 else if (_ghost_note && trackview.editor().current_mouse_mode() == MouseRange) {
531 update_ghost_note (ev->x, ev->y);
532 }
533
534 /* any motion immediately hides velocity text that may have been visible */
535
536 for (Selection::iterator i = _selection.begin(); i != _selection.end(); ++i) {
537 (*i)->hide_velocity ();
538 }
539
540 switch (_mouse_state) {
541 case Pressed: // Maybe start a drag, if we've moved a bit
542
543 if (fabs (event_x - _last_x) < 1 && fabs (event_y - _last_y) < 1) {
544 /* no appreciable movement since the button was pressed */
545 return false;
546 }
547
548 // Select drag start
549 if (_pressed_button == 1 && trackview.editor().current_mouse_mode() == MouseObject
550 && !Keyboard::modifier_state_contains (ev->state, Keyboard::insert_note_modifier())) {
551
552 group->grab(GDK_POINTER_MOTION_MASK | GDK_BUTTON_RELEASE_MASK,
553 Gdk::Cursor(Gdk::FLEUR), ev->time);
554
555 _last_x = event_x;
556 _last_y = event_y;
557 _drag_start_x = event_x;
558 _drag_start_y = event_y;
559
560 _drag_rect = new ArdourCanvas::SimpleRect(*group);
561 _drag_rect->property_x1() = event_x;
562 _drag_rect->property_y1() = event_y;
563 _drag_rect->property_x2() = event_x;
564 _drag_rect->property_y2() = event_y;
565 _drag_rect->property_outline_what() = 0xFF;
566 _drag_rect->property_outline_color_rgba()
567 = ARDOUR_UI::config()->canvasvar_MidiSelectRectOutline.get();
568 _drag_rect->property_fill_color_rgba()
569 = ARDOUR_UI::config()->canvasvar_MidiSelectRectFill.get();
570
571 _mouse_state = SelectRectDragging;
572 return true;
573
574 // Add note drag start
575 } else if (trackview.editor().internal_editing()) {
576
577 delete _ghost_note;
578 _ghost_note = 0;
579
580 group->grab(GDK_POINTER_MOTION_MASK | GDK_BUTTON_RELEASE_MASK,
581 Gdk::Cursor(Gdk::FLEUR), ev->time);
582
583 _last_x = event_x;
584 _last_y = event_y;
585 _drag_start_x = event_x;
586 _drag_start_y = event_y;
587
588 _drag_rect = new ArdourCanvas::SimpleRect(*group);
589 _drag_rect->property_x1() = trackview.editor().frame_to_pixel(event_frame);
590
591 _drag_rect->property_y1() = midi_stream_view()->note_to_y(
592 midi_stream_view()->y_to_note(event_y));
593 _drag_rect->property_x2() = trackview.editor().frame_to_pixel(event_frame);
594 _drag_rect->property_y2() = _drag_rect->property_y1()
595 + floor(midi_stream_view()->note_height());
596 _drag_rect->property_outline_what() = 0xFF;
597 _drag_rect->property_outline_color_rgba() = 0xFFFFFF99;
598 _drag_rect->property_fill_color_rgba() = 0xFFFFFF66;
599
600 _mouse_state = AddDragging;
601
602 if (_ghost_note){
603
604 delete _ghost_note;
605 _ghost_note = 0;
606
607 trackview.editor().hide_verbose_canvas_cursor ();
608 }
609
610 return true;
611 }
612
613 return false;
614
615 case SelectRectDragging: // Select drag motion
616 case AddDragging: // Add note drag motion
617
618 if (ev->is_hint) {
619 int t_x;
620 int t_y;
621 GdkModifierType state;
622 gdk_window_get_pointer(ev->window, &t_x, &t_y, &state);
623 event_x = t_x;
624 event_y = t_y;
625 }
626
627 if (_mouse_state == AddDragging){
628 event_x = trackview.editor().frame_to_pixel(event_frame);
629 }
630
631 if (_drag_rect) {
632
633 if (event_x > _drag_start_x){
634 _drag_rect->property_x2() = event_x;
635 }
636 else {
637 _drag_rect->property_x1() = event_x;
638 }
639 }
640
641 if (_drag_rect && _mouse_state == SelectRectDragging) {
642
643 if (event_y > _drag_start_y){
644 _drag_rect->property_y2() = event_y;
645 }
646 else {
647 _drag_rect->property_y1() = event_y;
648 }
649
650 update_drag_selection(_drag_start_x, event_x, _drag_start_y, event_y);
651 }
652
653 _last_x = event_x;
654 _last_y = event_y;
655
656 case SelectTouchDragging:
657 return false;
658
659 default:
660 break;
661 }
662
663 return false;
664 }
665
666
667 bool
668 MidiRegionView::scroll (GdkEventScroll* ev)
669 {
670 if (_selection.empty()) {
671 return false;
672 }
673
674 trackview.editor().hide_verbose_canvas_cursor ();
675
676 bool fine = !Keyboard::modifier_state_equals (ev->state, Keyboard::SecondaryModifier);
677
678 if (ev->direction == GDK_SCROLL_UP) {
679 change_velocities (true, fine, false);
680 } else if (ev->direction == GDK_SCROLL_DOWN) {
681 change_velocities (false, fine, false);
682 }
683 return true;
684 }
685
686 bool
687 MidiRegionView::key_press (GdkEventKey* ev)
688 {
689 /* since GTK bindings are generally activated on press, and since
690 detectable auto-repeat is the name of the game and only sends
691 repeated presses, carry out key actions at key press, not release.
692 */
693
694 if (ev->keyval == GDK_Alt_L || ev->keyval == GDK_Alt_R){
695 _mouse_state = SelectTouchDragging;
696 return true;
697
698 } else if (ev->keyval == GDK_Escape) {
699 clear_selection();
700 _mouse_state = None;
701
702 } else if (ev->keyval == GDK_comma || ev->keyval == GDK_period) {
703
704 bool start = (ev->keyval == GDK_comma);
705 bool end = (ev->keyval == GDK_period);
706 bool shorter = Keyboard::modifier_state_contains (ev->state, Keyboard::PrimaryModifier);
707 bool fine = Keyboard::modifier_state_contains (ev->state, Keyboard::SecondaryModifier);
708
709 change_note_lengths (fine, shorter, 0.0, start, end);
710
711 return true;
712
713 } else if (ev->keyval == GDK_Delete) {
714
715 delete_selection();
716 return true;
717
718 } else if (ev->keyval == GDK_Tab) {
719
720 if (Keyboard::modifier_state_equals (ev->state, Keyboard::PrimaryModifier)) {
721 goto_previous_note ();
722 } else {
723 goto_next_note ();
724 }
725 return true;
726
727 } else if (ev->keyval == GDK_Up) {
728
729 bool allow_smush = Keyboard::modifier_state_contains (ev->state, Keyboard::TertiaryModifier);
730 bool fine = !Keyboard::modifier_state_contains (ev->state, Keyboard::SecondaryModifier);
731
732 if (Keyboard::modifier_state_contains (ev->state, Keyboard::PrimaryModifier)) {
733 change_velocities (true, fine, allow_smush);
734 } else {
735 transpose (true, fine, allow_smush);
736 }
737 return true;
738
739 } else if (ev->keyval == GDK_Down) {
740
741 bool allow_smush = Keyboard::modifier_state_contains (ev->state, Keyboard::TertiaryModifier);
742 bool fine = !Keyboard::modifier_state_contains (ev->state, Keyboard::SecondaryModifier);
743
744 if (Keyboard::modifier_state_contains (ev->state, Keyboard::PrimaryModifier)) {
745 change_velocities (false, fine, allow_smush);
746 } else {
747 transpose (false, fine, allow_smush);
748 }
749 return true;
750
751 } else if (ev->keyval == GDK_Left) {
752
753 nudge_notes (false);
754 return true;
755
756 } else if (ev->keyval == GDK_Right) {
757
758 nudge_notes (true);
759 return true;
760
761 } else if (ev->keyval == GDK_Control_L) {
762 return true;
763
764 }
765
766 return false;
767 }
768
769 bool
770 MidiRegionView::key_release (GdkEventKey* ev)
771 {
772 if (ev->keyval == GDK_Alt_L || ev->keyval == GDK_Alt_R) {
773 _mouse_state = None;
774 return true;
775 }
776 return false;
777 }
778
779 void
780 MidiRegionView::show_list_editor ()
781 {
782 if (!_list_editor) {
783 _list_editor = new MidiListEditor (trackview.session(), midi_region());
784 }
785 _list_editor->present ();
786 }
787
788 /** Add a note to the model, and the view, at a canvas (click) coordinate.
789 * \param x horizontal position in pixels
790 * \param y vertical position in pixels
791 * \param length duration of the note in beats, which will be snapped to the grid
792 * \param sh true to make the note 1 frame shorter than the snapped version of \a length.
793 */
794 void
795 MidiRegionView::create_note_at(double x, double y, double length, bool sh)
796 {
797 MidiTimeAxisView* const mtv = dynamic_cast<MidiTimeAxisView*>(&trackview);
798 MidiStreamView* const view = mtv->midi_view();
799
800 double note = view->y_to_note(y);
801
802 assert(note >= 0.0);
803 assert(note <= 127.0);
804
805 // Start of note in frames relative to region start
806 framepos_t const start_frames = snap_frame_to_frame(trackview.editor().pixel_to_frame(x));
807 assert(start_frames >= 0);
808
809 // Snap length
810 length = frames_to_beats(
811 snap_frame_to_frame(start_frames + beats_to_frames(length)) - start_frames);
812
813 assert (length != 0);
814
815 if (sh) {
816 length = frames_to_beats (beats_to_frames (length) - 1);
817 }
818
819 const boost::shared_ptr<NoteType> new_note (new NoteType (get_channel_for_add (),
820 frames_to_beats(start_frames + _region->start()), length,
821 (uint8_t)note, 0x40));
822
823 if (_model->contains (new_note)) {
824 return;
825 }
826
827 view->update_note_range(new_note->note());
828
829 MidiModel::NoteDiffCommand* cmd = _model->new_note_diff_command("add note");
830 cmd->add (new_note);
831 _model->apply_command(*trackview.session(), cmd);
832
833 play_midi_note (new_note);
834 }
835
836 void
837 MidiRegionView::clear_events()
838 {
839 clear_selection();
840
841 MidiGhostRegion* gr;
842 for (std::vector<GhostRegion*>::iterator g = ghosts.begin(); g != ghosts.end(); ++g) {
843 if ((gr = dynamic_cast<MidiGhostRegion*>(*g)) != 0) {
844 gr->clear_events();
845 }
846 }
847
848 for (Events::iterator i = _events.begin(); i != _events.end(); ++i) {
849 delete *i;
850 }
851
852 _events.clear();
853 _patch_changes.clear();
854 _sys_exes.clear();
855 _optimization_iterator = _events.end();
856 }
857
858 void
859 MidiRegionView::display_model(boost::shared_ptr<MidiModel> model)
860 {
861 _model = model;
862
863 content_connection.disconnect ();
864 _model->ContentsChanged.connect (content_connection, invalidator (*this), boost::bind (&MidiRegionView::redisplay_model, this), gui_context());
865
866 clear_events ();
867
868 if (_enable_display) {
869 redisplay_model();
870 }
871 }
872
873 void
874 MidiRegionView::start_note_diff_command (string name)
875 {
876 if (!_note_diff_command) {
877 _note_diff_command = _model->new_note_diff_command (name);
878 }
879 }
880
881 void
882 MidiRegionView::note_diff_add_note (const boost::shared_ptr<NoteType> note, bool selected, bool show_velocity)
883 {
884 if (_note_diff_command) {
885 _note_diff_command->add (note);
886 }
887 if (selected) {
888 _marked_for_selection.insert(note);
889 }
890 if (show_velocity) {
891 _marked_for_velocity.insert(note);
892 }
893 }
894
895 void
896 MidiRegionView::note_diff_remove_note (ArdourCanvas::CanvasNoteEvent* ev)
897 {
898 if (_note_diff_command && ev->note()) {
899 _note_diff_command->remove(ev->note());
900 }
901 }
902
903 void
904 MidiRegionView::note_diff_add_change (ArdourCanvas::CanvasNoteEvent* ev,
905 MidiModel::NoteDiffCommand::Property property,
906 uint8_t val)
907 {
908 if (_note_diff_command) {
909 _note_diff_command->change (ev->note(), property, val);
910 }
911 }
912
913 void
914 MidiRegionView::note_diff_add_change (ArdourCanvas::CanvasNoteEvent* ev,
915 MidiModel::NoteDiffCommand::Property property,
916 Evoral::MusicalTime val)
917 {
918 if (_note_diff_command) {
919 _note_diff_command->change (ev->note(), property, val);
920 }
921 }
922
923 void
924 MidiRegionView::apply_diff ()
925 {
926 bool add_or_remove;
927
928 if (!_note_diff_command) {
929 return;
930 }
931
932 if ((add_or_remove = _note_diff_command->adds_or_removes())) {
933 // Mark all selected notes for selection when model reloads
934 for (Selection::iterator i = _selection.begin(); i != _selection.end(); ++i) {
935 _marked_for_selection.insert((*i)->note());
936 }
937 }
938
939 _model->apply_command(*trackview.session(), _note_diff_command);
940 _note_diff_command = 0;
941 midi_view()->midi_track()->playlist_modified();
942
943 if (add_or_remove) {
944 _marked_for_selection.clear();
945 }
946
947 _marked_for_velocity.clear();
948 }
949
950 void
951 MidiRegionView::apply_diff_as_subcommand ()
952 {
953 bool add_or_remove;
954
955 if (!_note_diff_command) {
956 return;
957 }
958
959 if ((add_or_remove = _note_diff_command->adds_or_removes())) {
960 // Mark all selected notes for selection when model reloads
961 for (Selection::iterator i = _selection.begin(); i != _selection.end(); ++i) {
962 _marked_for_selection.insert((*i)->note());
963 }
964 }
965
966 _model->apply_command_as_subcommand(*trackview.session(), _note_diff_command);
967 _note_diff_command = 0;
968 midi_view()->midi_track()->playlist_modified();
969
970 if (add_or_remove) {
971 _marked_for_selection.clear();
972 }
973 _marked_for_velocity.clear();
974 }
975
976
977 void
978 MidiRegionView::abort_command()
979 {
980 delete _note_diff_command;
981 _note_diff_command = 0;
982 clear_selection();
983 }
984
985 CanvasNoteEvent*
986 MidiRegionView::find_canvas_note (boost::shared_ptr<NoteType> note)
987 {
988 if (_optimization_iterator != _events.end()) {
989 ++_optimization_iterator;
990 }
991
992 if (_optimization_iterator != _events.end() && (*_optimization_iterator)->note() == note) {
993 return *_optimization_iterator;
994 }
995
996 for (_optimization_iterator = _events.begin(); _optimization_iterator != _events.end(); ++_optimization_iterator) {
997 if ((*_optimization_iterator)->note() == note) {
998 return *_optimization_iterator;
999 }
1000 }
1001
1002 return 0;
1003 }
1004
1005 void
1006 MidiRegionView::get_events (Events& e, Evoral::Sequence<Evoral::MusicalTime>::NoteOperator op, uint8_t val, int chan_mask)
1007 {
1008 MidiModel::Notes notes;
1009 _model->get_notes (notes, op, val, chan_mask);
1010
1011 for (MidiModel::Notes::iterator n = notes.begin(); n != notes.end(); ++n) {
1012 CanvasNoteEvent* cne = find_canvas_note (*n);
1013 if (cne) {
1014 e.push_back (cne);
1015 }
1016 }
1017 }
1018
1019 void
1020 MidiRegionView::redisplay_model()
1021 {
1022 // Don't redisplay the model if we're currently recording and displaying that
1023 if (_active_notes) {
1024 return;
1025 }
1026
1027 if (!_model) {
1028 cerr << "MidiRegionView::redisplay_model called without a model" << endmsg;
1029 return;
1030 }
1031
1032 for (Events::iterator i = _events.begin(); i != _events.end(); ++i) {
1033 (*i)->invalidate ();
1034 }
1035
1036 MidiModel::ReadLock lock(_model->read_lock());
1037
1038 MidiModel::Notes& notes (_model->notes());
1039 _optimization_iterator = _events.begin();
1040
1041 for (MidiModel::Notes::iterator n = notes.begin(); n != notes.end(); ++n) {
1042
1043 boost::shared_ptr<NoteType> note (*n);
1044 CanvasNoteEvent* cne;
1045 bool visible;
1046
1047 if (note_in_region_range (note, visible)) {
1048
1049 if ((cne = find_canvas_note (note)) != 0) {
1050
1051 cne->validate ();
1052
1053 CanvasNote* cn;
1054 CanvasHit* ch;
1055
1056 if ((cn = dynamic_cast<CanvasNote*>(cne)) != 0) {
1057 update_note (cn);
1058 } else if ((ch = dynamic_cast<CanvasHit*>(cne)) != 0) {
1059 update_hit (ch);
1060 }
1061
1062 if (visible) {
1063 cne->show ();
1064 } else {
1065 cne->hide ();
1066 }
1067
1068 } else {
1069
1070 add_note (note, visible);
1071 }
1072
1073 } else {
1074
1075 if ((cne = find_canvas_note (note)) != 0) {
1076 cne->validate ();
1077 cne->hide ();
1078 }
1079 }
1080 }
1081
1082
1083 /* remove note items that are no longer valid */
1084
1085 for (Events::iterator i = _events.begin(); i != _events.end(); ) {
1086 if (!(*i)->valid ()) {
1087 delete *i;
1088 i = _events.erase (i);
1089 } else {
1090 ++i;
1091 }
1092 }
1093
1094 _patch_changes.clear();
1095 _sys_exes.clear();
1096
1097 display_sysexes();
1098 display_patch_changes ();
1099
1100 _marked_for_selection.clear ();
1101 _marked_for_velocity.clear ();
1102
1103 /* we may have caused _events to contain things out of order (e.g. if a note
1104 moved earlier or later). we don't generally need them in time order, but
1105 make a note that a sort is required for those cases that require it.
1106 */
1107
1108 _sort_needed = true;
1109 }
1110
1111 void
1112 MidiRegionView::display_patch_changes ()
1113 {
1114 MidiTimeAxisView* const mtv = dynamic_cast<MidiTimeAxisView*>(&trackview);
1115 uint16_t chn_mask = mtv->channel_selector().get_selected_channels();
1116
1117 for (uint8_t i = 0; i < 16; ++i) {
1118 if (chn_mask & (1<<i)) {
1119 display_patch_changes_on_channel (i);
1120 }
1121 }
1122 }
1123
1124 void
1125 MidiRegionView::display_patch_changes_on_channel (uint8_t channel)
1126 {
1127 for (MidiModel::PatchChanges::const_iterator i = _model->patch_changes().begin(); i != _model->patch_changes().end(); ++i) {
1128
1129 if ((*i)->channel() != channel) {
1130 continue;
1131 }
1132
1133 MIDI::Name::PatchPrimaryKey patch_key ((*i)->bank_msb (), (*i)->bank_lsb (), (*i)->program ());
1134
1135 boost::shared_ptr<MIDI::Name::Patch> patch =
1136 MIDI::Name::MidiPatchManager::instance().find_patch(
1137 _model_name, _custom_device_mode, channel, patch_key);
1138
1139 if (patch != 0) {
1140 add_canvas_patch_change (*i, patch->name());
1141 } else {
1142 char buf[16];
1143 /* program and bank numbers are zero-based: convert to one-based */
1144 snprintf (buf, 16, "%d\n%d", (*i)->program() + 1, (*i)->bank() + 1);
1145 add_canvas_patch_change (*i, buf);
1146 }
1147 }
1148 }
1149
1150 void
1151 MidiRegionView::display_sysexes()
1152 {
1153 for (MidiModel::SysExes::const_iterator i = _model->sysexes().begin(); i != _model->sysexes().end(); ++i) {
1154 Evoral::MusicalTime time = (*i)->time();
1155 assert(time >= 0);
1156
1157 ostringstream str;
1158 str << hex;
1159 for (uint32_t b = 0; b < (*i)->size(); ++b) {
1160 str << int((*i)->buffer()[b]);
1161 if (b != (*i)->size() -1) {
1162 str << " ";
1163 }
1164 }
1165 string text = str.str();
1166
1167 const double x = trackview.editor().frame_to_pixel(beats_to_frames(time));
1168
1169 double height = midi_stream_view()->contents_height();
1170
1171 boost::shared_ptr<CanvasSysEx> sysex = boost::shared_ptr<CanvasSysEx>(
1172 new CanvasSysEx(*this, *_note_group, text, height, x, 1.0));
1173
1174 // Show unless patch change is beyond the region bounds
1175 if (time - _region->start() >= _region->length() || time < _region->start()) {
1176 sysex->hide();
1177 } else {
1178 sysex->show();
1179 }
1180
1181 _sys_exes.push_back(sysex);
1182 }
1183 }
1184
1185
1186 MidiRegionView::~MidiRegionView ()
1187 {
1188 in_destructor = true;
1189
1190 trackview.editor().hide_verbose_canvas_cursor ();
1191
1192 note_delete_connection.disconnect ();
1193
1194 delete _list_editor;
1195
1196 RegionViewGoingAway (this); /* EMIT_SIGNAL */
1197
1198 if (_active_notes) {
1199 end_write();
1200 }
1201
1202 _selection.clear();
1203 clear_events();
1204
1205 delete _note_group;
1206 delete _note_diff_command;
1207 delete _step_edit_cursor;
1208 delete _temporary_note_group;
1209 }
1210
1211 void
1212 MidiRegionView::region_resized (const PropertyChange& what_changed)
1213 {
1214 RegionView::region_resized(what_changed);
1215
1216 if (what_changed.contains (ARDOUR::Properties::position)) {
1217 set_duration(_region->length(), 0);
1218 if (_enable_display) {
1219 redisplay_model();
1220 }
1221 }
1222 }
1223
1224 void
1225 MidiRegionView::reset_width_dependent_items (double pixel_width)
1226 {
1227 RegionView::reset_width_dependent_items(pixel_width);
1228 assert(_pixel_width == pixel_width);
1229
1230 if (_enable_display) {
1231 redisplay_model();
1232 }
1233
1234 move_step_edit_cursor (_step_edit_cursor_position);
1235 set_step_edit_cursor_width (_step_edit_cursor_width);
1236 }
1237
1238 void
1239 MidiRegionView::set_height (double height)
1240 {
1241 static const double FUDGE = 2.0;
1242 const double old_height = _height;
1243 RegionView::set_height(height);
1244 _height = height - FUDGE;
1245
1246 apply_note_range(midi_stream_view()->lowest_note(),
1247 midi_stream_view()->highest_note(),
1248 height != old_height + FUDGE);
1249
1250 if (name_pixbuf) {
1251 name_pixbuf->raise_to_top();
1252 }
1253
1254 for (PatchChanges::iterator x = _patch_changes.begin(); x != _patch_changes.end(); ++x) {
1255 (*x)->set_height (midi_stream_view()->contents_height());
1256 }
1257
1258 if (_step_edit_cursor) {
1259 _step_edit_cursor->property_y2() = midi_stream_view()->contents_height();
1260 }
1261 }
1262
1263
1264 /** Apply the current note range from the stream view
1265 * by repositioning/hiding notes as necessary
1266 */
1267 void
1268 MidiRegionView::apply_note_range (uint8_t min, uint8_t max, bool force)
1269 {
1270 if (!_enable_display) {
1271 return;
1272 }
1273
1274 if (!force && _current_range_min == min && _current_range_max == max) {
1275 return;
1276 }
1277
1278 _current_range_min = min;
1279 _current_range_max = max;
1280
1281 for (Events::const_iterator i = _events.begin(); i != _events.end(); ++i) {
1282 CanvasNoteEvent* event = *i;
1283 boost::shared_ptr<NoteType> note (event->note());
1284
1285 if (note->note() < _current_range_min ||
1286 note->note() > _current_range_max) {
1287 event->hide();
1288 } else {
1289 event->show();
1290 }
1291
1292 if (CanvasNote* cnote = dynamic_cast<CanvasNote*>(event)) {
1293
1294 const double y1 = midi_stream_view()->note_to_y(note->note());
1295 const double y2 = y1 + floor(midi_stream_view()->note_height());
1296
1297 cnote->property_y1() = y1;
1298 cnote->property_y2() = y2;
1299
1300 } else if (CanvasHit* chit = dynamic_cast<CanvasHit*>(event)) {
1301
1302 const double diamond_size = update_hit (chit);
1303
1304 chit->set_height (diamond_size);
1305 }
1306 }
1307 }
1308
1309 GhostRegion*
1310 MidiRegionView::add_ghost (TimeAxisView& tv)
1311 {
1312 CanvasNote* note;
1313
1314 double unit_position = _region->position () / samples_per_unit;
1315 MidiTimeAxisView* mtv = dynamic_cast<MidiTimeAxisView*>(&tv);
1316 MidiGhostRegion* ghost;
1317
1318 if (mtv && mtv->midi_view()) {
1319 /* if ghost is inserted into midi track, use a dedicated midi ghost canvas group
1320 to allow having midi notes on top of note lines and waveforms.
1321 */
1322 ghost = new MidiGhostRegion (*mtv->midi_view(), trackview, unit_position);
1323 } else {
1324 ghost = new MidiGhostRegion (tv, trackview, unit_position);
1325 }
1326
1327 for (Events::iterator i = _events.begin(); i != _events.end(); ++i) {
1328 if ((note = dynamic_cast<CanvasNote*>(*i)) != 0) {
1329 ghost->add_note(note);
1330 }
1331 }
1332
1333 ghost->set_height ();
1334 ghost->set_duration (_region->length() / samples_per_unit);
1335 ghosts.push_back (ghost);
1336
1337 GhostRegion::CatchDeletion.connect (*this, invalidator (*this), ui_bind (&RegionView::remove_ghost, this, _1), gui_context());
1338
1339 return ghost;
1340 }
1341
1342
1343 /** Begin tracking note state for successive calls to add_event
1344 */
1345 void
1346 MidiRegionView::begin_write()
1347 {
1348 assert(!_active_notes);
1349 _active_notes = new CanvasNote*[128];
1350 for (unsigned i=0; i < 128; ++i) {
1351 _active_notes[i] = 0;
1352 }
1353 }
1354
1355
1356 /** Destroy note state for add_event
1357 */
1358 void
1359 MidiRegionView::end_write()
1360 {
1361 delete[] _active_notes;
1362 _active_notes = 0;
1363 _marked_for_selection.clear();
1364 _marked_for_velocity.clear();
1365 }
1366
1367
1368 /** Resolve an active MIDI note (while recording).
1369 */
1370 void
1371 MidiRegionView::resolve_note(uint8_t note, double end_time)
1372 {
1373 if (midi_view()->note_mode() != Sustained) {
1374 return;
1375 }
1376
1377 if (_active_notes && _active_notes[note]) {
1378
1379 const framepos_t end_time_frames = beats_to_frames(end_time);
1380
1381 _active_notes[note]->property_x2() = trackview.editor().frame_to_pixel(end_time_frames);
1382 _active_notes[note]->property_outline_what() = (guint32) 0xF; // all edges
1383 _active_notes[note] = 0;
1384 }
1385 }
1386
1387
1388 /** Extend active notes to rightmost edge of region (if length is changed)
1389 */
1390 void
1391 MidiRegionView::extend_active_notes()
1392 {
1393 if (!_active_notes) {
1394 return;
1395 }
1396
1397 for (unsigned i=0; i < 128; ++i) {
1398 if (_active_notes[i]) {
1399 _active_notes[i]->property_x2() = trackview.editor().frame_to_pixel(_region->length());
1400 }
1401 }
1402 }
1403
1404
1405 void
1406 MidiRegionView::play_midi_note(boost::shared_ptr<NoteType> note)
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 np->add (note);
1420 np->play ();
1421 }
1422
1423 void
1424 MidiRegionView::play_midi_chord (vector<boost::shared_ptr<NoteType> > notes)
1425 {
1426 if (no_sound_notes || !trackview.editor().sound_notes()) {
1427 return;
1428 }
1429
1430 RouteUI* route_ui = dynamic_cast<RouteUI*> (&trackview);
1431
1432 if (!route_ui || !route_ui->midi_track()) {
1433 return;
1434 }
1435
1436 NotePlayer* np = new NotePlayer (route_ui->midi_track());
1437
1438 for (vector<boost::shared_ptr<NoteType> >::iterator n = notes.begin(); n != notes.end(); ++n) {
1439 np->add (*n);
1440 }
1441
1442 np->play ();
1443 }
1444
1445
1446 bool
1447 MidiRegionView::note_in_region_range(const boost::shared_ptr<NoteType> note, bool& visible) const
1448 {
1449 const framepos_t note_start_frames = beats_to_frames(note->time());
1450
1451 bool outside = (note_start_frames - _region->start() >= _region->length()) ||
1452 (note_start_frames < _region->start());
1453
1454 visible = (note->note() >= midi_stream_view()->lowest_note()) &&
1455 (note->note() <= midi_stream_view()->highest_note());
1456
1457 return !outside;
1458 }
1459
1460 /** Update a canvas note's size from its model note.
1461 * @param ev Canvas note to update.
1462 * @param update_ghost_regions true to update the note in any ghost regions that we have, otherwise false.
1463 */
1464 void
1465 MidiRegionView::update_note (CanvasNote* ev, bool update_ghost_regions)
1466 {
1467 boost::shared_ptr<NoteType> note = ev->note();
1468
1469 const framepos_t note_start_frames = beats_to_frames(note->time());
1470
1471 /* trim note display to not overlap the end of its region */
1472 const framepos_t note_end_frames = min (beats_to_frames (note->end_time()), _region->start() + _region->length());
1473
1474 const double x = trackview.editor().frame_to_pixel(note_start_frames - _region->start());
1475 const double y1 = midi_stream_view()->note_to_y(note->note());
1476 const double note_endpixel = trackview.editor().frame_to_pixel(note_end_frames - _region->start());
1477
1478 ev->property_x1() = x;
1479 ev->property_y1() = y1;
1480
1481 if (note->length() > 0) {
1482 ev->property_x2() = note_endpixel;
1483 } else {
1484 ev->property_x2() = trackview.editor().frame_to_pixel(_region->length());
1485 }
1486
1487 ev->property_y2() = y1 + floor(midi_stream_view()->note_height());
1488
1489 if (note->length() == 0) {
1490 if (_active_notes) {
1491 assert(note->note() < 128);
1492 // If this note is already active there's a stuck note,
1493 // finish the old note rectangle
1494 if (_active_notes[note->note()]) {
1495 CanvasNote* const old_rect = _active_notes[note->note()];
1496 boost::shared_ptr<NoteType> old_note = old_rect->note();
1497 old_rect->property_x2() = x;
1498 old_rect->property_outline_what() = (guint32) 0xF;
1499 }
1500 _active_notes[note->note()] = ev;
1501 }
1502 /* outline all but right edge */
1503 ev->property_outline_what() = (guint32) (0x1 & 0x4 & 0x8);
1504 } else {
1505 /* outline all edges */
1506 ev->property_outline_what() = (guint32) 0xF;
1507 }
1508
1509 if (update_ghost_regions) {
1510 for (std::vector<GhostRegion*>::iterator i = ghosts.begin(); i != ghosts.end(); ++i) {
1511 MidiGhostRegion* gr = dynamic_cast<MidiGhostRegion*> (*i);
1512 if (gr) {
1513 gr->update_note (ev);
1514 }
1515 }
1516 }
1517 }
1518
1519 double
1520 MidiRegionView::update_hit (CanvasHit* ev)
1521 {
1522 boost::shared_ptr<NoteType> note = ev->note();
1523
1524 const framepos_t note_start_frames = beats_to_frames(note->time());
1525 const double x = trackview.editor().frame_to_pixel(note_start_frames - _region->start());
1526 const double diamond_size = midi_stream_view()->note_height() / 2.0;
1527 const double y = midi_stream_view()->note_to_y(note->note()) + ((diamond_size-2) / 4.0);
1528
1529 ev->move_to (x, y);
1530
1531 return diamond_size;
1532 }
1533
1534 /** Add a MIDI note to the view (with length).
1535 *
1536 * If in sustained mode, notes with length 0 will be considered active
1537 * notes, and resolve_note should be called when the corresponding note off
1538 * event arrives, to properly display the note.
1539 */
1540 void
1541 MidiRegionView::add_note(const boost::shared_ptr<NoteType> note, bool visible)
1542 {
1543 CanvasNoteEvent* event = 0;
1544
1545 assert(note->time() >= 0);
1546 assert(midi_view()->note_mode() == Sustained || midi_view()->note_mode() == Percussive);
1547
1548 //ArdourCanvas::Group* const group = (ArdourCanvas::Group*) get_canvas_group();
1549
1550 if (midi_view()->note_mode() == Sustained) {
1551
1552 CanvasNote* ev_rect = new CanvasNote(*this, *_note_group, note);
1553
1554 update_note (ev_rect);
1555
1556 event = ev_rect;
1557
1558 MidiGhostRegion* gr;
1559
1560 for (std::vector<GhostRegion*>::iterator g = ghosts.begin(); g != ghosts.end(); ++g) {
1561 if ((gr = dynamic_cast<MidiGhostRegion*>(*g)) != 0) {
1562 gr->add_note(ev_rect);
1563 }
1564 }
1565
1566 } else if (midi_view()->note_mode() == Percussive) {
1567
1568 const double diamond_size = midi_stream_view()->note_height() / 2.0;
1569
1570 CanvasHit* ev_diamond = new CanvasHit(*this, *_note_group, diamond_size, note);
1571
1572 update_hit (ev_diamond);
1573
1574 event = ev_diamond;
1575
1576 } else {
1577 event = 0;
1578 }
1579
1580 if (event) {
1581 if (_marked_for_selection.find(note) != _marked_for_selection.end()) {
1582 note_selected(event, true);
1583 }
1584
1585 if (_marked_for_velocity.find(note) != _marked_for_velocity.end()) {
1586 event->show_velocity();
1587 }
1588
1589 event->on_channel_selection_change(_last_channel_selection);
1590 _events.push_back(event);
1591
1592 if (visible) {
1593 event->show();
1594 } else {
1595 event->hide ();
1596 }
1597 }
1598
1599 MidiTimeAxisView* const mtv = dynamic_cast<MidiTimeAxisView*>(&trackview);
1600 MidiStreamView* const view = mtv->midi_view();
1601
1602 view->update_note_range(note->note());
1603 }
1604
1605 void
1606 MidiRegionView::step_add_note (uint8_t channel, uint8_t number, uint8_t velocity,
1607 Evoral::MusicalTime pos, Evoral::MusicalTime len)
1608 {
1609 boost::shared_ptr<NoteType> new_note (new NoteType (channel, pos, len, number, velocity));
1610
1611 /* potentially extend region to hold new note */
1612
1613 framepos_t end_frame = _region->position() + beats_to_frames (new_note->end_time());
1614 framepos_t region_end = _region->position() + _region->length() - 1;
1615
1616 if (end_frame > region_end) {
1617 _region->set_length (end_frame - _region->position(), this);
1618 }
1619
1620 MidiTimeAxisView* const mtv = dynamic_cast<MidiTimeAxisView*>(&trackview);
1621 MidiStreamView* const view = mtv->midi_view();
1622
1623 view->update_note_range(new_note->note());
1624
1625 _marked_for_selection.clear ();
1626 clear_selection ();
1627
1628 start_note_diff_command (_("step add"));
1629 note_diff_add_note (new_note, true, false);
1630 apply_diff();
1631
1632 // last_step_edit_note = new_note;
1633 }
1634
1635 void
1636 MidiRegionView::step_sustain (Evoral::MusicalTime beats)
1637 {
1638 change_note_lengths (false, false, beats, false, true);
1639 }
1640
1641 void
1642 MidiRegionView::add_canvas_patch_change (MidiModel::PatchChangePtr patch, const string& displaytext)
1643 {
1644 assert (patch->time() >= 0);
1645
1646 const double x = trackview.editor().frame_to_pixel (beats_to_frames (patch->time()));
1647
1648 double const height = midi_stream_view()->contents_height();
1649
1650 boost::shared_ptr<CanvasPatchChange> patch_change = boost::shared_ptr<CanvasPatchChange>(
1651 new CanvasPatchChange(*this, *_note_group,
1652 displaytext,
1653 height,
1654 x, 1.0,
1655 _model_name,
1656 _custom_device_mode,
1657 patch)
1658 );
1659
1660 // Show unless patch change is beyond the region bounds
1661 if (patch->time() - _region->start() >= _region->length() || patch->time() < _region->start()) {
1662 patch_change->hide();
1663 } else {
1664 patch_change->show();
1665 }
1666
1667 _patch_changes.push_back (patch_change);
1668 }
1669
1670 void
1671 MidiRegionView::get_patch_key_at (Evoral::MusicalTime time, uint8_t channel, MIDI::Name::PatchPrimaryKey& key)
1672 {
1673 MidiModel::PatchChanges::iterator i = _model->patch_change_lower_bound (time);
1674 while (i != _model->patch_changes().end() && (*i)->channel() != channel) {
1675 ++i;
1676 }
1677
1678 if (i != _model->patch_changes().end()) {
1679 key.msb = (*i)->bank_msb ();
1680 key.lsb = (*i)->bank_lsb ();
1681 key.program_number = (*i)->program ();
1682 } else {
1683 key.msb = key.lsb = key.program_number = 0;
1684 }
1685
1686 assert (key.is_sane());
1687 }
1688
1689
1690 void
1691 MidiRegionView::change_patch_change (CanvasPatchChange& pc, const MIDI::Name::PatchPrimaryKey& new_patch)
1692 {
1693 MidiModel::PatchChangeDiffCommand* c = _model->new_patch_change_diff_command (_("alter patch change"));
1694
1695 if (pc.patch()->program() != new_patch.program_number) {
1696 c->change_program (pc.patch (), new_patch.program_number);
1697 }
1698
1699 int const new_bank = (new_patch.msb << 7) | new_patch.lsb;
1700 if (pc.patch()->bank() != new_bank) {
1701 c->change_bank (pc.patch (), new_bank);
1702 }
1703
1704 _model->apply_command (*trackview.session(), c);
1705
1706 _patch_changes.clear ();
1707 display_patch_changes ();
1708 }
1709
1710 void
1711 MidiRegionView::change_patch_change (MidiModel::PatchChangePtr old_change, const Evoral::PatchChange<Evoral::MusicalTime> & new_change)
1712 {
1713 MidiModel::PatchChangeDiffCommand* c = _model->new_patch_change_diff_command (_("alter patch change"));
1714
1715 if (old_change->time() != new_change.time()) {
1716 c->change_time (old_change, new_change.time());
1717 }
1718
1719 if (old_change->channel() != new_change.channel()) {
1720 c->change_channel (old_change, new_change.channel());
1721 }
1722
1723 if (old_change->program() != new_change.program()) {
1724 c->change_program (old_change, new_change.program());
1725 }
1726
1727 if (old_change->bank() != new_change.bank()) {
1728 c->change_bank (old_change, new_change.bank());
1729 }
1730
1731 _model->apply_command (*trackview.session(), c);
1732
1733 _patch_changes.clear ();
1734 display_patch_changes ();
1735 }
1736
1737 /** Add a patch change to the region.
1738 * @param t Time in frames relative to region position
1739 * @param patch Patch to add; time and channel are ignored (time is converted from t, and channel comes from
1740 * get_channel_for_add())
1741 */
1742 void
1743 MidiRegionView::add_patch_change (framecnt_t t, Evoral::PatchChange<Evoral::MusicalTime> const & patch)
1744 {
1745 MidiModel::PatchChangeDiffCommand* c = _model->new_patch_change_diff_command (_("add patch change"));
1746 c->add (MidiModel::PatchChangePtr (
1747 new Evoral::PatchChange<Evoral::MusicalTime> (
1748 frames_to_beats (t + midi_region()->start()), get_channel_for_add(), patch.program(), patch.bank()
1749 )
1750 ));
1751
1752 _model->apply_command (*trackview.session(), c);
1753
1754 _patch_changes.clear ();
1755 display_patch_changes ();
1756 }
1757
1758 void
1759 MidiRegionView::move_patch_change (CanvasPatchChange& pc, Evoral::MusicalTime t)
1760 {
1761 MidiModel::PatchChangeDiffCommand* c = _model->new_patch_change_diff_command (_("move patch change"));
1762 c->change_time (pc.patch (), t);
1763 _model->apply_command (*trackview.session(), c);
1764
1765 _patch_changes.clear ();
1766 display_patch_changes ();
1767 }
1768
1769 void
1770 MidiRegionView::delete_patch_change (CanvasPatchChange* pc)
1771 {
1772 MidiModel::PatchChangeDiffCommand* c = _model->new_patch_change_diff_command (_("delete patch change"));
1773 c->remove (pc->patch ());
1774 _model->apply_command (*trackview.session(), c);
1775
1776 _patch_changes.clear ();
1777 display_patch_changes ();
1778 }
1779
1780 void
1781 MidiRegionView::previous_patch (CanvasPatchChange& patch)
1782 {
1783 if (patch.patch()->program() < 127) {
1784 MIDI::Name::PatchPrimaryKey key;
1785 get_patch_key_at (patch.patch()->time(), patch.patch()->channel(), key);
1786 key.program_number++;
1787 change_patch_change (patch, key);
1788 }
1789 }
1790
1791 void
1792 MidiRegionView::next_patch (CanvasPatchChange& patch)
1793 {
1794 if (patch.patch()->program() > 0) {
1795 MIDI::Name::PatchPrimaryKey key;
1796 get_patch_key_at (patch.patch()->time(), patch.patch()->channel(), key);
1797 key.program_number--;
1798 change_patch_change (patch, key);
1799 }
1800 }
1801
1802 void
1803 MidiRegionView::maybe_remove_deleted_note_from_selection (CanvasNoteEvent* cne)
1804 {
1805 if (_selection.empty()) {
1806 return;
1807 }
1808
1809 if (_selection.erase (cne) > 0) {
1810 cerr << "Erased a CNE from selection\n";
1811 }
1812 }
1813
1814 void
1815 MidiRegionView::delete_selection()
1816 {
1817 if (_selection.empty()) {
1818 return;
1819 }
1820
1821 start_note_diff_command (_("delete selection"));
1822
1823 for (Selection::iterator i = _selection.begin(); i != _selection.end(); ++i) {
1824 if ((*i)->selected()) {
1825 _note_diff_command->remove((*i)->note());
1826 }
1827 }
1828
1829 _selection.clear();
1830
1831 apply_diff ();
1832 }
1833
1834 void
1835 MidiRegionView::delete_note (boost::shared_ptr<NoteType> n)
1836 {
1837 start_note_diff_command (_("delete note"));
1838 _note_diff_command->remove (n);
1839 apply_diff ();
1840
1841 trackview.editor().hide_verbose_canvas_cursor ();
1842 }
1843
1844 void
1845 MidiRegionView::clear_selection_except(ArdourCanvas::CanvasNoteEvent* ev)
1846 {
1847 for (Selection::iterator i = _selection.begin(); i != _selection.end(); ++i) {
1848 if ((*i)->selected() && (*i) != ev) {
1849 (*i)->set_selected(false);
1850 (*i)->hide_velocity();
1851 }
1852 }
1853
1854 _selection.clear();
1855 }
1856
1857 void
1858 MidiRegionView::unique_select(ArdourCanvas::CanvasNoteEvent* ev)
1859 {
1860 for (Selection::iterator i = _selection.begin(); i != _selection.end(); ) {
1861 if ((*i) != ev) {
1862
1863 Selection::iterator tmp = i;
1864 ++tmp;
1865
1866 (*i)->set_selected (false);
1867 _selection.erase (i);
1868
1869 i = tmp;
1870
1871 } else {
1872 ++i;
1873 }
1874 }
1875
1876 /* don't bother with removing this regionview from the editor selection,
1877 since we're about to add another note, and thus put/keep this
1878 regionview in the editor selection.
1879 */
1880
1881 if (!ev->selected()) {
1882 add_to_selection (ev);
1883 }
1884 }
1885
1886 void
1887 MidiRegionView::select_all_notes ()
1888 {
1889 clear_selection ();
1890
1891 for (Events::iterator i = _events.begin(); i != _events.end(); ++i) {
1892 add_to_selection (*i);
1893 }
1894 }
1895
1896 void
1897 MidiRegionView::select_matching_notes (uint8_t notenum, uint16_t channel_mask, bool add, bool extend)
1898 {
1899 uint8_t low_note = 127;
1900 uint8_t high_note = 0;
1901 MidiModel::Notes& notes (_model->notes());
1902 _optimization_iterator = _events.begin();
1903
1904 if (!add) {
1905 clear_selection ();
1906 }
1907
1908 if (extend && _selection.empty()) {
1909 extend = false;
1910 }
1911
1912 if (extend) {
1913
1914 /* scan existing selection to get note range */
1915
1916 for (Selection::iterator i = _selection.begin(); i != _selection.end(); ++i) {
1917 if ((*i)->note()->note() < low_note) {
1918 low_note = (*i)->note()->note();
1919 }
1920 if ((*i)->note()->note() > high_note) {
1921 high_note = (*i)->note()->note();
1922 }
1923 }
1924
1925 low_note = min (low_note, notenum);
1926 high_note = max (high_note, notenum);
1927 }
1928
1929 no_sound_notes = true;
1930
1931 for (MidiModel::Notes::iterator n = notes.begin(); n != notes.end(); ++n) {
1932
1933 boost::shared_ptr<NoteType> note (*n);
1934 CanvasNoteEvent* cne;
1935 bool select = false;
1936
1937 if (((1 << note->channel()) & channel_mask) != 0) {
1938 if (extend) {
1939 if ((note->note() >= low_note && note->note() <= high_note)) {
1940 select = true;
1941 }
1942 } else if (note->note() == notenum) {
1943 select = true;
1944 }
1945 }
1946
1947 if (select) {
1948 if ((cne = find_canvas_note (note)) != 0) {
1949 // extend is false because we've taken care of it,
1950 // since it extends by time range, not pitch.
1951 note_selected (cne, add, false);
1952 }
1953 }
1954
1955 add = true; // we need to add all remaining matching notes, even if the passed in value was false (for "set")
1956
1957 }
1958
1959 no_sound_notes = false;
1960 }
1961
1962 void
1963 MidiRegionView::toggle_matching_notes (uint8_t notenum, uint16_t channel_mask)
1964 {
1965 MidiModel::Notes& notes (_model->notes());
1966 _optimization_iterator = _events.begin();
1967
1968 for (MidiModel::Notes::iterator n = notes.begin(); n != notes.end(); ++n) {
1969
1970 boost::shared_ptr<NoteType> note (*n);
1971 CanvasNoteEvent* cne;
1972
1973 if (note->note() == notenum && (((0x0001 << note->channel()) & channel_mask) != 0)) {
1974 if ((cne = find_canvas_note (note)) != 0) {
1975 if (cne->selected()) {
1976 note_deselected (cne);
1977 } else {
1978 note_selected (cne, true, false);
1979 }
1980 }
1981 }
1982 }
1983 }
1984
1985 void
1986 MidiRegionView::note_selected(ArdourCanvas::CanvasNoteEvent* ev, bool add, bool extend)
1987 {
1988 if (!add) {
1989 clear_selection_except(ev);
1990 }
1991
1992 if (!extend) {
1993
1994 if (!ev->selected()) {
1995 add_to_selection (ev);
1996 }
1997
1998 } else {
1999 /* find end of latest note selected, select all between that and the start of "ev" */
2000
2001 Evoral::MusicalTime earliest = Evoral::MaxMusicalTime;
2002 Evoral::MusicalTime latest = 0;
2003
2004 for (Selection::iterator i = _selection.begin(); i != _selection.end(); ++i) {
2005 if ((*i)->note()->end_time() > latest) {
2006 latest = (*i)->note()->end_time();
2007 }
2008 if ((*i)->note()->time() < earliest) {
2009 earliest = (*i)->note()->time();
2010 }
2011 }
2012
2013 if (ev->note()->end_time() > latest) {
2014 latest = ev->note()->end_time();
2015 }
2016
2017 if (ev->note()->time() < earliest) {
2018 earliest = ev->note()->time();
2019 }
2020
2021 for (Events::iterator i = _events.begin(); i != _events.end(); ++i) {
2022
2023 /* find notes entirely within OR spanning the earliest..latest range */
2024
2025 if (((*i)->note()->time() >= earliest && (*i)->note()->end_time() <= latest) ||
2026 ((*i)->note()->time() <= earliest && (*i)->note()->end_time() >= latest)) {
2027 add_to_selection (*i);
2028 }
2029
2030 #if 0
2031 /* if events were guaranteed to be time sorted, we could do this.
2032 but as of sept 10th 2009, they no longer are.
2033 */
2034
2035 if ((*i)->note()->time() > latest) {
2036 break;
2037 }
2038 #endif
2039 }
2040 }
2041 }
2042
2043 void
2044 MidiRegionView::note_deselected(ArdourCanvas::CanvasNoteEvent* ev)
2045 {
2046 remove_from_selection (ev);
2047 }
2048
2049 void
2050 MidiRegionView::update_drag_selection(double x1, double x2, double y1, double y2)
2051 {
2052 if (x1 > x2) {
2053 swap (x1, x2);
2054 }
2055
2056 if (y1 > y2) {
2057 swap (y1, y2);
2058 }
2059
2060 // TODO: Make this faster by storing the last updated selection rect, and only
2061 // adjusting things that are in the area that appears/disappeared.
2062 // We probably need a tree to be able to find events in O(log(n)) time.
2063
2064 for (Events::iterator i = _events.begin(); i != _events.end(); ++i) {
2065
2066 /* check if any corner of the note is inside the rect
2067
2068 Notes:
2069 1) this is computing "touched by", not "contained by" the rect.
2070 2) this does not require that events be sorted in time.
2071 */
2072
2073 const double ix1 = (*i)->x1();
2074 const double ix2 = (*i)->x2();
2075 const double iy1 = (*i)->y1();
2076 const double iy2 = (*i)->y2();
2077
2078 if ((ix1 >= x1 && ix1 <= x2 && iy1 >= y1 && iy1 <= y2) ||
2079 (ix1 >= x1 && ix1 <= x2 && iy2 >= y1 && iy2 <= y2) ||
2080 (ix2 >= x1 && ix2 <= x2 && iy1 >= y1 && iy1 <= y2) ||
2081 (ix2 >= x1 && ix2 <= x2 && iy2 >= y1 && iy2 <= y2)) {
2082
2083 // Inside rectangle
2084 if (!(*i)->selected()) {
2085 add_to_selection (*i);
2086 }
2087 } else if ((*i)->selected()) {
2088 // Not inside rectangle
2089 remove_from_selection (*i);
2090 }
2091 }
2092 }
2093
2094 void
2095 MidiRegionView::remove_from_selection (CanvasNoteEvent* ev)
2096 {
2097 Selection::iterator i = _selection.find (ev);
2098
2099 if (i != _selection.end()) {
2100 _selection.erase (i);
2101 }
2102
2103 ev->set_selected (false);
2104 ev->hide_velocity ();
2105
2106 if (_selection.empty()) {
2107 PublicEditor& editor (trackview.editor());
2108 editor.get_selection().remove (this);
2109 }
2110 }
2111
2112 void
2113 MidiRegionView::add_to_selection (CanvasNoteEvent* ev)
2114 {
2115 bool add_mrv_selection = false;
2116
2117 if (_selection.empty()) {
2118 add_mrv_selection = true;
2119 }
2120
2121 if (_selection.insert (ev).second) {
2122 ev->set_selected (true);
2123 play_midi_note ((ev)->note());
2124 }
2125
2126 if (add_mrv_selection) {
2127 PublicEditor& editor (trackview.editor());
2128 editor.get_selection().add (this);
2129 }
2130 }
2131
2132 void
2133 MidiRegionView::move_selection(double dx, double dy, double cumulative_dy)
2134 {
2135 typedef vector<boost::shared_ptr<NoteType> > PossibleChord;
2136 PossibleChord to_play;
2137 Evoral::MusicalTime earliest = Evoral::MaxMusicalTime;
2138
2139 for (Selection::iterator i = _selection.begin(); i != _selection.end(); ++i) {
2140 if ((*i)->note()->time() < earliest) {
2141 earliest = (*i)->note()->time();
2142 }
2143 }
2144
2145 for (Selection::iterator i = _selection.begin(); i != _selection.end(); ++i) {
2146 if (Evoral::musical_time_equal ((*i)->note()->time(), earliest)) {
2147 to_play.push_back ((*i)->note());
2148 }
2149 (*i)->move_event(dx, dy);
2150 }
2151
2152 if (dy && !_selection.empty() && !no_sound_notes && trackview.editor().sound_notes()) {
2153
2154 if (to_play.size() > 1) {
2155
2156 PossibleChord shifted;
2157
2158 for (PossibleChord::iterator n = to_play.begin(); n != to_play.end(); ++n) {
2159 boost::shared_ptr<NoteType> moved_note (new NoteType (**n));
2160 moved_note->set_note (moved_note->note() + cumulative_dy);
2161 shifted.push_back (moved_note);
2162 }
2163
2164 play_midi_chord (shifted);
2165
2166 } else if (!to_play.empty()) {
2167
2168 boost::shared_ptr<NoteType> moved_note (new NoteType (*to_play.front()));
2169 moved_note->set_note (moved_note->note() + cumulative_dy);
2170 play_midi_note (moved_note);
2171 }
2172 }
2173 }
2174
2175 void
2176 MidiRegionView::note_dropped(CanvasNoteEvent *, frameoffset_t dt, int8_t dnote)
2177 {
2178 assert (!_selection.empty());
2179
2180 uint8_t lowest_note_in_selection = 127;
2181 uint8_t highest_note_in_selection = 0;
2182 uint8_t highest_note_difference = 0;
2183
2184 // find highest and lowest notes first
2185
2186 for (Selection::iterator i = _selection.begin(); i != _selection.end(); ++i) {
2187 uint8_t pitch = (*i)->note()->note();
2188 lowest_note_in_selection = std::min(lowest_note_in_selection, pitch);
2189 highest_note_in_selection = std::max(highest_note_in_selection, pitch);
2190 }
2191
2192 /*
2193 cerr << "dnote: " << (int) dnote << endl;
2194 cerr << "lowest note (streamview): " << int(midi_stream_view()->lowest_note())
2195 << " highest note (streamview): " << int(midi_stream_view()->highest_note()) << endl;
2196 cerr << "lowest note (selection): " << int(lowest_note_in_selection) << " highest note(selection): "
2197 << int(highest_note_in_selection) << endl;
2198 cerr << "selection size: " << _selection.size() << endl;
2199 cerr << "Highest note in selection: " << (int) highest_note_in_selection << endl;
2200 */
2201
2202 // Make sure the note pitch does not exceed the MIDI standard range
2203 if (highest_note_in_selection + dnote > 127) {
2204 highest_note_difference = highest_note_in_selection - 127;
2205 }
2206
2207 start_note_diff_command (_("move notes"));
2208
2209 for (Selection::iterator i = _selection.begin(); i != _selection.end() ; ++i) {
2210
2211 Evoral::MusicalTime new_time = frames_to_beats (beats_to_frames ((*i)->note()->time()) + dt);
2212
2213 if (new_time < 0) {
2214 continue;
2215 }
2216
2217 note_diff_add_change (*i, MidiModel::NoteDiffCommand::StartTime, new_time);
2218
2219 uint8_t original_pitch = (*i)->note()->note();
2220 uint8_t new_pitch = original_pitch + dnote - highest_note_difference;
2221
2222 // keep notes in standard midi range
2223 clamp_to_0_127(new_pitch);
2224
2225 // keep original pitch if note is dragged outside valid midi range
2226 if ((original_pitch != 0 && new_pitch == 0)
2227 || (original_pitch != 127 && new_pitch == 127)) {
2228 new_pitch = original_pitch;
2229 }
2230
2231 lowest_note_in_selection = std::min(lowest_note_in_selection, new_pitch);
2232 highest_note_in_selection = std::max(highest_note_in_selection, new_pitch);
2233
2234 note_diff_add_change (*i, MidiModel::NoteDiffCommand::NoteNumber, new_pitch);
2235 }
2236
2237 apply_diff();
2238
2239 // care about notes being moved beyond the upper/lower bounds on the canvas
2240 if (lowest_note_in_selection < midi_stream_view()->lowest_note() ||
2241 highest_note_in_selection > midi_stream_view()->highest_note()) {
2242 midi_stream_view()->set_note_range(MidiStreamView::ContentsRange);
2243 }
2244 }
2245
2246 framepos_t
2247 MidiRegionView::snap_pixel_to_frame(double x)
2248 {
2249 PublicEditor& editor = trackview.editor();
2250 // x is region relative, convert it to global absolute frames
2251 framepos_t frame = editor.pixel_to_frame(x) + _region->position();
2252 editor.snap_to(frame);
2253 return frame - _region->position(); // convert back to region relative
2254 }
2255
2256 framepos_t
2257 MidiRegionView::snap_frame_to_frame(framepos_t x)
2258 {
2259 PublicEditor& editor = trackview.editor();
2260 // x is region relative, convert it to global absolute frames
2261 framepos_t frame = x + _region->position();
2262 editor.snap_to(frame);
2263 return frame - _region->position(); // convert back to region relative
2264 }
2265
2266 double
2267 MidiRegionView::snap_to_pixel(double x)
2268 {
2269 return (double) trackview.editor().frame_to_pixel(snap_pixel_to_frame(x));
2270 }
2271
2272 double
2273 MidiRegionView::get_position_pixels()
2274 {
2275 framepos_t region_frame = get_position();
2276 return trackview.editor().frame_to_pixel(region_frame);
2277 }
2278
2279 double
2280 MidiRegionView::get_end_position_pixels()
2281 {
2282 framepos_t frame = get_position() + get_duration ();
2283 return trackview.editor().frame_to_pixel(frame);
2284 }
2285
2286 framepos_t
2287 MidiRegionView::beats_to_frames(double beats) const
2288 {
2289 return _time_converter.to(beats);
2290 }
2291
2292 double
2293 MidiRegionView::frames_to_beats(framepos_t frames) const
2294 {
2295 return _time_converter.from(frames);
2296 }
2297
2298 void
2299 MidiRegionView::begin_resizing (bool /*at_front*/)
2300 {
2301 _resize_data.clear();
2302
2303 for (Selection::iterator i = _selection.begin(); i != _selection.end(); ++i) {
2304 CanvasNote *note = dynamic_cast<CanvasNote *> (*i);
2305
2306 // only insert CanvasNotes into the map
2307 if (note) {
2308 NoteResizeData *resize_data = new NoteResizeData();
2309 resize_data->canvas_note = note;
2310
2311 // create a new SimpleRect from the note which will be the resize preview
2312 SimpleRect *resize_rect = new SimpleRect(
2313 *_note_group, note->x1(), note->y1(), note->x2(), note->y2());
2314
2315 // calculate the colors: get the color settings
2316 uint32_t fill_color = UINT_RGBA_CHANGE_A(
2317 ARDOUR_UI::config()->canvasvar_MidiNoteSelected.get(),
2318 128);
2319
2320 // make the resize preview notes more transparent and bright
2321 fill_color = UINT_INTERPOLATE(fill_color, 0xFFFFFF40, 0.5);
2322
2323 // calculate color based on note velocity
2324 resize_rect->property_fill_color_rgba() = UINT_INTERPOLATE(
2325 CanvasNoteEvent::meter_style_fill_color(note->note()->velocity(), note->selected()),
2326 fill_color,
2327 0.85);
2328
2329 resize_rect->property_outline_color_rgba() = CanvasNoteEvent::calculate_outline(
2330 ARDOUR_UI::config()->canvasvar_MidiNoteSelected.get());
2331
2332 resize_data->resize_rect = resize_rect;
2333 _resize_data.push_back(resize_data);
2334 }
2335 }
2336 }
2337
2338 /** Update resizing notes while user drags.
2339 * @param primary `primary' note for the drag; ie the one that is used as the reference in non-relative mode.
2340 * @param at_front which end of the note (true == note on, false == note off)
2341 * @param delta_x change in mouse position since the start of the drag
2342 * @param relative true if relative resizing is taking place, false if absolute resizing. This only makes
2343 * a difference when multiple notes are being resized; in relative mode, each note's length is changed by the
2344 * amount of the drag. In non-relative mode, all selected notes are set to have the same start or end point
2345 * as the \a primary note.
2346 */
2347 void
2348 MidiRegionView::update_resizing (ArdourCanvas::CanvasNoteEvent* primary, bool at_front, double delta_x, bool relative)
2349 {
2350 bool cursor_set = false;
2351
2352 for (std::vector<NoteResizeData *>::iterator i = _resize_data.begin(); i != _resize_data.end(); ++i) {
2353 SimpleRect* resize_rect = (*i)->resize_rect;
2354 CanvasNote* canvas_note = (*i)->canvas_note;
2355 double current_x;
2356
2357 if (at_front) {
2358 if (relative) {
2359 current_x = canvas_note->x1() + delta_x;
2360 } else {
2361 current_x = primary->x1() + delta_x;
2362 }
2363 } else {
2364 if (relative) {
2365 current_x = canvas_note->x2() + delta_x;
2366 } else {
2367 current_x = primary->x2() + delta_x;
2368 }
2369 }
2370
2371 if (at_front) {
2372 resize_rect->property_x1() = snap_to_pixel(current_x);
2373 resize_rect->property_x2() = canvas_note->x2();
2374 } else {
2375 resize_rect->property_x2() = snap_to_pixel(current_x);
2376 resize_rect->property_x1() = canvas_note->x1();
2377 }
2378
2379 if (!cursor_set) {
2380 double beats;
2381
2382 beats = snap_pixel_to_frame (current_x);
2383 beats = frames_to_beats (beats);
2384
2385 double len;
2386
2387 if (at_front) {
2388 if (beats < canvas_note->note()->end_time()) {
2389 len = canvas_note->note()->time() - beats;
2390 len += canvas_note->note()->length();
2391 } else {
2392 len = 0;
2393 }
2394 } else {
2395 if (beats >= canvas_note->note()->time()) {
2396 len = beats - canvas_note->note()->time();
2397 } else {
2398 len = 0;
2399 }
2400 }
2401
2402 char buf[16];
2403 snprintf (buf, sizeof (buf), "%.3g beats", len);
2404 trackview.editor().show_verbose_canvas_cursor_with (buf);
2405
2406 cursor_set = true;
2407 }
2408
2409 }
2410 }
2411
2412
2413 /** Finish resizing notes when the user releases the mouse button.
2414 * Parameters the same as for \a update_resizing().
2415 */
2416 void
2417 MidiRegionView::commit_resizing (ArdourCanvas::CanvasNoteEvent* primary, bool at_front, double delta_x, bool relative)
2418 {
2419 start_note_diff_command (_("resize notes"));
2420
2421 for (std::vector<NoteResizeData *>::iterator i = _resize_data.begin(); i != _resize_data.end(); ++i) {
2422 CanvasNote* canvas_note = (*i)->canvas_note;
2423 SimpleRect* resize_rect = (*i)->resize_rect;
2424 double current_x;
2425
2426 if (at_front) {
2427 if (relative) {
2428 current_x = canvas_note->x1() + delta_x;
2429 } else {
2430 current_x = primary->x1() + delta_x;
2431 }
2432 } else {
2433 if (relative) {
2434 current_x = canvas_note->x2() + delta_x;
2435 } else {
2436 current_x = primary->x2() + delta_x;
2437 }
2438 }
2439
2440 current_x = snap_pixel_to_frame (current_x);
2441 current_x = frames_to_beats (current_x);
2442
2443 if (at_front && current_x < canvas_note->note()->end_time()) {
2444 note_diff_add_change (canvas_note, MidiModel::NoteDiffCommand::StartTime, current_x);
2445
2446 double len = canvas_note->note()->time() - current_x;
2447 len += canvas_note->note()->length();
2448
2449 if (len > 0) {
2450 /* XXX convert to beats */
2451 note_diff_add_change (canvas_note, MidiModel::NoteDiffCommand::Length, len);
2452 }
2453 }
2454
2455 if (!at_front) {
2456 double len = current_x - canvas_note->note()->time();
2457
2458 if (len > 0) {
2459 /* XXX convert to beats */
2460 note_diff_add_change (canvas_note, MidiModel::NoteDiffCommand::Length, len);
2461 }
2462 }
2463
2464 delete resize_rect;
2465 delete (*i);
2466 }
2467
2468 _resize_data.clear();
2469 apply_diff();
2470 }
2471
2472 void
2473 MidiRegionView::change_note_channel (CanvasNoteEvent* event, int8_t channel)
2474 {
2475 note_diff_add_change (event, MidiModel::NoteDiffCommand::Channel, (uint8_t) channel);
2476 }
2477
2478 void
2479 MidiRegionView::change_note_velocity(CanvasNoteEvent* event, int8_t velocity, bool relative)
2480 {
2481 uint8_t new_velocity;
2482
2483 if (relative) {
2484 new_velocity = event->note()->velocity() + velocity;
2485 clamp_to_0_127(new_velocity);
2486 } else {
2487 new_velocity = velocity;
2488 }
2489
2490 event->set_selected (event->selected()); // change color
2491
2492 note_diff_add_change (event, MidiModel::NoteDiffCommand::Velocity, new_velocity);
2493 }
2494
2495 void
2496 MidiRegionView::change_note_note (CanvasNoteEvent* event, int8_t note, bool relative)
2497 {
2498 uint8_t new_note;
2499
2500 if (relative) {
2501 new_note = event->note()->note() + note;
2502 } else {
2503 new_note = note;
2504 }
2505
2506 clamp_to_0_127 (new_note);
2507 note_diff_add_change (event, MidiModel::NoteDiffCommand::NoteNumber, new_note);
2508 }
2509
2510 void
2511 MidiRegionView::trim_note (CanvasNoteEvent* event, Evoral::MusicalTime front_delta, Evoral::MusicalTime end_delta)
2512 {
2513 bool change_start = false;
2514 bool change_length = false;
2515 Evoral::MusicalTime new_start = 0;
2516 Evoral::MusicalTime new_length = 0;
2517
2518 /* NOTE: the semantics of the two delta arguments are slightly subtle:
2519
2520 front_delta: if positive - move the start of the note later in time (shortening it)
2521 if negative - move the start of the note earlier in time (lengthening it)
2522
2523 end_delta: if positive - move the end of the note later in time (lengthening it)
2524 if negative - move the end of the note earlier in time (shortening it)
2525 */
2526
2527 if (front_delta) {
2528 if (front_delta < 0) {
2529
2530 if (event->note()->time() < -front_delta) {
2531 new_start = 0;
2532 } else {
2533 new_start = event->note()->time() + front_delta; // moves earlier
2534 }
2535
2536 /* start moved toward zero, so move the end point out to where it used to be.
2537 Note that front_delta is negative, so this increases the length.
2538 */
2539
2540 new_length = event->note()->length() - front_delta;
2541 change_start = true;
2542 change_length = true;
2543
2544 } else {
2545
2546 Evoral::MusicalTime new_pos = event->note()->time() + front_delta;
2547
2548 if (new_pos < event->note()->end_time()) {
2549 new_start = event->note()->time() + front_delta;
2550 /* start moved toward the end, so move the end point back to where it used to be */
2551 new_length = event->note()->length() - front_delta;
2552 change_start = true;
2553 change_length = true;
2554 }
2555 }
2556
2557 }
2558
2559 if (end_delta) {
2560 bool can_change = true;
2561 if (end_delta < 0) {
2562 if (event->note()->length() < -end_delta) {
2563 can_change = false;
2564 }
2565 }
2566
2567 if (can_change) {
2568 new_length = event->note()->length() + end_delta;
2569 change_length = true;
2570 }
2571 }
2572
2573 if (change_start) {
2574 note_diff_add_change (event, MidiModel::NoteDiffCommand::StartTime, new_start);
2575 }
2576
2577 if (change_length) {
2578 note_diff_add_change (event, MidiModel::NoteDiffCommand::Length, new_length);
2579 }
2580 }
2581
2582 void
2583 MidiRegionView::change_note_time (CanvasNoteEvent* event, Evoral::MusicalTime delta, bool relative)
2584 {
2585 Evoral::MusicalTime new_time;
2586
2587 if (relative) {
2588 if (delta < 0.0) {
2589 if (event->note()->time() < -delta) {
2590 new_time = 0;
2591 } else {
2592 new_time = event->note()->time() + delta;
2593 }
2594 } else {
2595 new_time = event->note()->time() + delta;
2596 }
2597 } else {
2598 new_time = delta;
2599 }
2600
2601 note_diff_add_change (event, MidiModel::NoteDiffCommand::StartTime, new_time);
2602 }
2603
2604 void
2605 MidiRegionView::change_note_length (CanvasNoteEvent* event, Evoral::MusicalTime t)
2606 {
2607 note_diff_add_change (event, MidiModel::NoteDiffCommand::Length, t);
2608 }
2609
2610 void
2611 MidiRegionView::change_velocities (bool up, bool fine, bool allow_smush)
2612 {
2613 int8_t delta;
2614
2615 if (_selection.empty()) {
2616 return;
2617 }
2618
2619 if (fine) {
2620 delta = 1;
2621 } else {
2622 delta = 10;
2623 }
2624
2625 if (!up) {
2626 delta = -delta;
2627 }
2628
2629 if (!allow_smush) {
2630 for (Selection::iterator i = _selection.begin(); i != _selection.end(); ++i) {
2631 if ((*i)->note()->velocity() + delta == 0 || (*i)->note()->velocity() + delta == 127) {
2632 return;
2633 }
2634 }
2635 }
2636
2637 start_note_diff_command (_("change velocities"));
2638
2639 for (Selection::iterator i = _selection.begin(); i != _selection.end();) {
2640 Selection::iterator next = i;
2641 ++next;
2642 change_note_velocity (*i, delta, true);
2643 i = next;
2644 }
2645
2646 apply_diff();
2647
2648 if (!_selection.empty()) {
2649 char buf[24];
2650 snprintf (buf, sizeof (buf), "Vel %d",
2651 (int) (*_selection.begin())->note()->velocity());
2652 trackview.editor().show_verbose_canvas_cursor_with (buf, 10, 10);
2653 }
2654 }
2655
2656
2657 void
2658 MidiRegionView::transpose (bool up, bool fine, bool allow_smush)
2659 {
2660 if (_selection.empty()) {
2661 return;
2662 }
2663
2664 int8_t delta;
2665
2666 if (fine) {
2667 delta = 1;
2668 } else {
2669 delta = 12;
2670 }
2671
2672 if (!up) {
2673 delta = -delta;
2674 }
2675
2676 if (!allow_smush) {
2677 for (Selection::iterator i = _selection.begin(); i != _selection.end(); ++i) {
2678 if (!up) {
2679 if ((int8_t) (*i)->note()->note() + delta <= 0) {
2680 return;
2681 }
2682 } else {
2683 if ((int8_t) (*i)->note()->note() + delta > 127) {
2684 return;
2685 }
2686 }
2687 }
2688 }
2689
2690 start_note_diff_command (_("transpose"));
2691
2692 for (Selection::iterator i = _selection.begin(); i != _selection.end(); ) {
2693 Selection::iterator next = i;
2694 ++next;
2695 change_note_note (*i, delta, true);
2696 i = next;
2697 }
2698
2699 apply_diff ();
2700 }
2701
2702 void
2703 MidiRegionView::change_note_lengths (bool fine, bool shorter, Evoral::MusicalTime delta, bool start, bool end)
2704 {
2705 if (delta == 0.0) {
2706 if (fine) {
2707 delta = 1.0/128.0;
2708 } else {
2709 /* grab the current grid distance */
2710 bool success;
2711 delta = trackview.editor().get_grid_type_as_beats (success, _region->position());
2712 if (!success) {
2713 /* XXX cannot get grid type as beats ... should always be possible ... FIX ME */
2714 cerr << "Grid type not available as beats - TO BE FIXED\n";
2715 return;
2716 }
2717 }
2718 }
2719
2720 if (shorter) {
2721 delta = -delta;
2722 }
2723
2724 start_note_diff_command (_("change note lengths"));
2725
2726 for (Selection::iterator i = _selection.begin(); i != _selection.end(); ) {
2727 Selection::iterator next = i;
2728 ++next;
2729
2730 /* note the negation of the delta for start */
2731
2732 trim_note (*i, (start ? -delta : 0), (end ? delta : 0));
2733 i = next;
2734 }
2735
2736 apply_diff ();
2737
2738 }
2739
2740 void
2741 MidiRegionView::nudge_notes (bool forward)
2742 {
2743 if (_selection.empty()) {
2744 return;
2745 }
2746
2747 /* pick a note as the point along the timeline to get the nudge distance.
2748 its not necessarily the earliest note, so we may want to pull the notes out
2749 into a vector and sort before using the first one.
2750 */
2751
2752 framepos_t ref_point = _region->position() + beats_to_frames ((*(_selection.begin()))->note()->time());
2753 framepos_t unused;
2754 framepos_t distance;
2755
2756 if (trackview.editor().snap_mode() == Editing::SnapOff) {
2757
2758 /* grid is off - use nudge distance */
2759
2760 distance = trackview.editor().get_nudge_distance (ref_point, unused);
2761
2762 } else {
2763
2764 /* use grid */
2765
2766 framepos_t next_pos = ref_point;
2767
2768 if (forward) {
2769 if (max_framepos - 1 < next_pos) {
2770 next_pos += 1;
2771 }
2772 } else {
2773 if (next_pos == 0) {
2774 return;
2775 }
2776 next_pos -= 1;
2777 }
2778
2779 trackview.editor().snap_to (next_pos, (forward ? 1 : -1), false);
2780 distance = ref_point - next_pos;
2781 }
2782
2783 if (distance == 0) {
2784 return;
2785 }
2786
2787 Evoral::MusicalTime delta = frames_to_beats (fabs (distance));
2788
2789 if (!forward) {
2790 delta = -delta;
2791 }
2792
2793 start_note_diff_command (_("nudge"));
2794
2795 for (Selection::iterator i = _selection.begin(); i != _selection.end(); ) {
2796 Selection::iterator next = i;
2797 ++next;
2798 change_note_time (*i, delta, true);
2799 i = next;
2800 }
2801
2802 apply_diff ();
2803 }
2804
2805 void
2806 MidiRegionView::change_channel(uint8_t channel)
2807 {
2808 start_note_diff_command(_("change channel"));
2809 for (Selection::iterator i = _selection.begin(); i != _selection.end(); ++i) {
2810 note_diff_add_change (*i, MidiModel::NoteDiffCommand::Channel, channel);
2811 }
2812
2813 apply_diff();
2814 }
2815
2816
2817 void
2818 MidiRegionView::note_entered(ArdourCanvas::CanvasNoteEvent* ev)
2819 {
2820 Editor* editor = dynamic_cast<Editor*>(&trackview.editor());
2821
2822 pre_enter_cursor = editor->get_canvas_cursor ();
2823
2824 if (_mouse_state == SelectTouchDragging) {
2825 note_selected (ev, true);
2826 }
2827
2828 show_verbose_canvas_cursor (ev->note ());
2829 }
2830
2831 void
2832 MidiRegionView::note_left (ArdourCanvas::CanvasNoteEvent*)
2833 {
2834 Editor* editor = dynamic_cast<Editor*>(&trackview.editor());
2835
2836 for (Selection::iterator i = _selection.begin(); i != _selection.end(); ++i) {
2837 (*i)->hide_velocity ();
2838 }
2839
2840 editor->hide_verbose_canvas_cursor ();
2841
2842 if (pre_enter_cursor) {
2843 editor->set_canvas_cursor (pre_enter_cursor);
2844 pre_enter_cursor = 0;
2845 }
2846 }
2847
2848 void
2849 MidiRegionView::patch_entered (ArdourCanvas::CanvasPatchChange* ev)
2850 {
2851 ostringstream s;
2852 s << ((int) ev->patch()->program() + 1) << ":" << (ev->patch()->bank() + 1);
2853 trackview.editor().show_verbose_canvas_cursor_with (s.str().c_str(), 10, 20);
2854 }
2855
2856 void
2857 MidiRegionView::patch_left (ArdourCanvas::CanvasPatchChange *)
2858 {
2859 trackview.editor().hide_verbose_canvas_cursor ();
2860 }
2861
2862 void
2863 MidiRegionView::note_mouse_position (float x_fraction, float /*y_fraction*/, bool can_set_cursor)
2864 {
2865 Editor* editor = dynamic_cast<Editor*>(&trackview.editor());
2866
2867 if (x_fraction > 0.0 && x_fraction < 0.25) {
2868 editor->set_canvas_cursor (editor->cursors()->left_side_trim);
2869 } else if (x_fraction >= 0.75 && x_fraction < 1.0) {
2870 editor->set_canvas_cursor (editor->cursors()->right_side_trim);
2871 } else {
2872 if (pre_enter_cursor && can_set_cursor) {
2873 editor->set_canvas_cursor (pre_enter_cursor);
2874 }
2875 }
2876 }
2877
2878 void
2879 MidiRegionView::set_frame_color()
2880 {
2881 if (!frame) {
2882 return;
2883 }
2884
2885 if (_selected) {
2886 frame->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_SelectedFrameBase.get();
2887 } else if (high_enough_for_name) {
2888 frame->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_MidiFrameBase.get();
2889 } else {
2890 frame->property_fill_color_rgba() = fill_color;
2891 }
2892 }
2893
2894 void
2895 MidiRegionView::midi_channel_mode_changed(ChannelMode mode, uint16_t mask)
2896 {
2897 switch (mode) {
2898 case AllChannels:
2899 case FilterChannels:
2900 _force_channel = -1;
2901 break;
2902 case ForceChannel:
2903 _force_channel = mask;
2904 mask = 0xFFFF; // Show all notes as active (below)
2905 };
2906
2907 // Update notes for selection
2908 for (Events::iterator i = _events.begin(); i != _events.end(); ++i) {
2909 (*i)->on_channel_selection_change(mask);
2910 }
2911
2912 _last_channel_selection = mask;
2913
2914 _patch_changes.clear ();
2915 display_patch_changes ();
2916 }
2917
2918 void
2919 MidiRegionView::midi_patch_settings_changed(std::string model, std::string custom_device_mode)
2920 {
2921 _model_name = model;
2922 _custom_device_mode = custom_device_mode;
2923 redisplay_model();
2924 }
2925
2926 void
2927 MidiRegionView::cut_copy_clear (Editing::CutCopyOp op)
2928 {
2929 if (_selection.empty()) {
2930 return;
2931 }
2932
2933 PublicEditor& editor (trackview.editor());
2934
2935 switch (op) {
2936 case Cut:
2937 case Copy:
2938 editor.get_cut_buffer().add (selection_as_cut_buffer());
2939 break;
2940 default:
2941 break;
2942 }
2943
2944 if (op != Copy) {
2945
2946 start_note_diff_command();
2947
2948 for (Selection::iterator i = _selection.begin(); i != _selection.end(); ++i) {
2949 switch (op) {
2950 case Copy:
2951 break;
2952 case Cut:
2953 case Clear:
2954 note_diff_remove_note (*i);
2955 break;
2956 }
2957 }
2958
2959 apply_diff();
2960 }
2961 }
2962
2963 MidiCutBuffer*
2964 MidiRegionView::selection_as_cut_buffer () const
2965 {
2966 Notes notes;
2967
2968 for (Selection::iterator i = _selection.begin(); i != _selection.end(); ++i) {
2969 NoteType* n = (*i)->note().get();
2970 notes.insert (boost::shared_ptr<NoteType> (new NoteType (*n)));
2971 }
2972
2973 MidiCutBuffer* cb = new MidiCutBuffer (trackview.session());
2974 cb->set (notes);
2975
2976 return cb;
2977 }
2978
2979 void
2980 MidiRegionView::paste (framepos_t pos, float times, const MidiCutBuffer& mcb)
2981 {
2982 if (mcb.empty()) {
2983 return;
2984 }
2985
2986 DEBUG_TRACE (DEBUG::CutNPaste, string_compose ("MIDI paste @ %1 times %2\n", pos, times));
2987
2988 start_note_diff_command (_("paste"));
2989
2990 Evoral::MusicalTime beat_delta;
2991 Evoral::MusicalTime paste_pos_beats;
2992 Evoral::MusicalTime duration;
2993 Evoral::MusicalTime end_point = 0;
2994
2995 duration = (*mcb.notes().rbegin())->end_time() - (*mcb.notes().begin())->time();
2996 paste_pos_beats = frames_to_beats (pos - _region->position());
2997 beat_delta = (*mcb.notes().begin())->time() - paste_pos_beats;
2998 paste_pos_beats = 0;
2999
3000 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",
3001 (*mcb.notes().begin())->time(),
3002 (*mcb.notes().rbegin())->end_time(),
3003 duration, pos, _region->position(),
3004 paste_pos_beats, beat_delta));
3005
3006 clear_selection ();
3007
3008 for (int n = 0; n < (int) times; ++n) {
3009
3010 for (Notes::const_iterator i = mcb.notes().begin(); i != mcb.notes().end(); ++i) {
3011
3012 boost::shared_ptr<NoteType> copied_note (new NoteType (*((*i).get())));
3013 copied_note->set_time (paste_pos_beats + copied_note->time() - beat_delta);
3014
3015 /* make all newly added notes selected */
3016
3017 note_diff_add_note (copied_note, true);
3018 end_point = copied_note->end_time();
3019 }
3020
3021 paste_pos_beats += duration;
3022 }
3023
3024 /* if we pasted past the current end of the region, extend the region */
3025
3026 framepos_t end_frame = _region->position() + beats_to_frames (end_point);
3027 framepos_t region_end = _region->position() + _region->length() - 1;
3028
3029 if (end_frame > region_end) {
3030
3031 DEBUG_TRACE (DEBUG::CutNPaste, string_compose ("Paste extended region from %1 to %2\n", region_end, end_frame));
3032
3033 trackview.session()->begin_reversible_command (_("paste"));
3034
3035 _region->clear_changes ();
3036 _region->set_length (end_frame, this);
3037 trackview.session()->add_command (new StatefulDiffCommand (_region));
3038 }
3039
3040 apply_diff ();
3041 }
3042
3043 struct EventNoteTimeEarlyFirstComparator {
3044 bool operator() (CanvasNoteEvent* a, CanvasNoteEvent* b) {
3045 return a->note()->time() < b->note()->time();
3046 }
3047 };
3048
3049 void
3050 MidiRegionView::time_sort_events ()
3051 {
3052 if (!_sort_needed) {
3053 return;
3054 }
3055
3056 EventNoteTimeEarlyFirstComparator cmp;
3057 _events.sort (cmp);
3058
3059 _sort_needed = false;
3060 }
3061
3062 void
3063 MidiRegionView::goto_next_note ()
3064 {
3065 // framepos_t pos = -1;
3066 bool use_next = false;
3067
3068 if (_events.back()->selected()) {
3069 return;
3070 }
3071
3072 time_sort_events ();
3073
3074 for (Events::iterator i = _events.begin(); i != _events.end(); ++i) {
3075 if ((*i)->selected()) {
3076 use_next = true;
3077 continue;
3078 } else if (use_next) {
3079 unique_select (*i);
3080 // pos = _region->position() + beats_to_frames ((*i)->note()->time());
3081 return;
3082 }
3083 }
3084
3085 /* use the first one */
3086
3087 unique_select (_events.front());
3088
3089 }
3090
3091 void
3092 MidiRegionView::goto_previous_note ()
3093 {
3094 // framepos_t pos = -1;
3095 bool use_next = false;
3096
3097 if (_events.front()->selected()) {
3098 return;
3099 }
3100
3101 time_sort_events ();
3102
3103 for (Events::reverse_iterator i = _events.rbegin(); i != _events.rend(); ++i) {
3104 if ((*i)->selected()) {
3105 use_next = true;
3106 continue;
3107 } else if (use_next) {
3108 unique_select (*i);
3109 // pos = _region->position() + beats_to_frames ((*i)->note()->time());
3110 return;
3111 }
3112 }
3113
3114 /* use the last one */
3115
3116 unique_select (*(_events.rbegin()));
3117 }
3118
3119 void
3120 MidiRegionView::selection_as_notelist (Notes& selected, bool allow_all_if_none_selected)
3121 {
3122 bool had_selected = false;
3123
3124 time_sort_events ();
3125
3126 for (Events::iterator i = _events.begin(); i != _events.end(); ++i) {
3127 if ((*i)->selected()) {
3128 selected.insert ((*i)->note());
3129 had_selected = true;
3130 }
3131 }
3132
3133 if (allow_all_if_none_selected && !had_selected) {
3134 for (Events::iterator i = _events.begin(); i != _events.end(); ++i) {
3135 selected.insert ((*i)->note());
3136 }
3137 }
3138 }
3139
3140 void
3141 MidiRegionView::update_ghost_note (double x, double y)
3142 {
3143 _last_ghost_x = x;
3144 _last_ghost_y = y;
3145
3146 _note_group->w2i (x, y);
3147 framepos_t f = trackview.editor().pixel_to_frame (x) + _region->position ();
3148 trackview.editor().snap_to (f);
3149 f -= _region->position ();
3150
3151 bool success;
3152 Evoral::MusicalTime beats = trackview.editor().get_grid_type_as_beats (success, f);
3153
3154 if (!success) {
3155 beats = 1;
3156 }
3157
3158 double length = frames_to_beats (snap_frame_to_frame (f + beats_to_frames (beats)) - f);
3159
3160 _ghost_note->note()->set_time (frames_to_beats (f + _region->start()));
3161 _ghost_note->note()->set_length (length);
3162 _ghost_note->note()->set_note (midi_stream_view()->y_to_note (y));
3163
3164 /* the ghost note does not appear in ghost regions, so pass false in here */
3165 update_note (_ghost_note, false);
3166
3167 show_verbose_canvas_cursor (_ghost_note->note ());
3168 }
3169
3170 void
3171 MidiRegionView::create_ghost_note (double x, double y)
3172 {
3173 delete _ghost_note;
3174 _ghost_note = 0;
3175
3176 boost::shared_ptr<NoteType> g (new NoteType);
3177 _ghost_note = new NoEventCanvasNote (*this, *_note_group, g);
3178 update_ghost_note (x, y);
3179 _ghost_note->show ();
3180
3181 _last_ghost_x = x;
3182 _last_ghost_y = y;
3183
3184 show_verbose_canvas_cursor (_ghost_note->note ());
3185 }
3186
3187 void
3188 MidiRegionView::snap_changed ()
3189 {
3190 if (!_ghost_note) {
3191 return;
3192 }
3193
3194 create_ghost_note (_last_ghost_x, _last_ghost_y);
3195 }
3196
3197 void
3198 MidiRegionView::show_verbose_canvas_cursor (boost::shared_ptr<NoteType> n) const
3199 {
3200 char buf[24];
3201 snprintf (buf, sizeof (buf), "%s (%d)\nVel %d",
3202 Evoral::midi_note_name (n->note()).c_str(),
3203 (int) n->note (),
3204 (int) n->velocity());
3205 trackview.editor().show_verbose_canvas_cursor_with (buf, 10, 20);
3206 }
3207
3208 void
3209 MidiRegionView::drop_down_keys ()
3210 {
3211 _mouse_state = None;
3212 }
3213
3214 void
3215 MidiRegionView::maybe_select_by_position (GdkEventButton* ev, double /*x*/, double y)
3216 {
3217 double note = midi_stream_view()->y_to_note(y);
3218 Events e;
3219 MidiTimeAxisView* const mtv = dynamic_cast<MidiTimeAxisView*>(&trackview);
3220
3221 uint16_t chn_mask = mtv->channel_selector().get_selected_channels();
3222
3223 if (Keyboard::modifier_state_equals (ev->state, Keyboard::TertiaryModifier)) {
3224 get_events (e, Evoral::Sequence<Evoral::MusicalTime>::PitchGreaterThanOrEqual, (uint8_t) floor (note), chn_mask);
3225 } else if (Keyboard::modifier_state_equals (ev->state, Keyboard::PrimaryModifier)) {
3226 get_events (e, Evoral::Sequence<Evoral::MusicalTime>::PitchLessThanOrEqual, (uint8_t) floor (note), chn_mask);
3227 } else {
3228 return;
3229 }
3230
3231 bool add_mrv_selection = false;
3232
3233 if (_selection.empty()) {
3234 add_mrv_selection = true;
3235 }
3236
3237 for (Events::iterator i = e.begin(); i != e.end(); ++i) {
3238 if (_selection.insert (*i).second) {
3239 (*i)->set_selected (true);
3240 }
3241 }
3242
3243 if (add_mrv_selection) {
3244 PublicEditor& editor (trackview.editor());
3245 editor.get_selection().add (this);
3246 }
3247 }
3248
3249 void
3250 MidiRegionView::color_handler ()
3251 {
3252 RegionView::color_handler ();
3253
3254 for (Events::iterator i = _events.begin(); i != _events.end(); ++i) {
3255 (*i)->set_selected ((*i)->selected()); // will change color
3256 }
3257
3258 /* XXX probably more to do here */
3259 }
3260
3261 void
3262 MidiRegionView::enable_display (bool yn)
3263 {
3264 RegionView::enable_display (yn);
3265 if (yn) {
3266 redisplay_model ();
3267 }
3268 }
3269
3270 void
3271 MidiRegionView::show_step_edit_cursor (Evoral::MusicalTime pos)
3272 {
3273 if (_step_edit_cursor == 0) {
3274 ArdourCanvas::Group* const group = (ArdourCanvas::Group*)get_canvas_group();
3275
3276 _step_edit_cursor = new ArdourCanvas::SimpleRect (*group);
3277 _step_edit_cursor->property_y1() = 0;
3278 _step_edit_cursor->property_y2() = midi_stream_view()->contents_height();
3279 _step_edit_cursor->property_fill_color_rgba() = RGBA_TO_UINT (45,0,0,90);
3280 _step_edit_cursor->property_outline_color_rgba() = RGBA_TO_UINT (85,0,0,90);
3281 }
3282
3283 move_step_edit_cursor (pos);
3284 _step_edit_cursor->show ();
3285 }
3286
3287 void
3288 MidiRegionView::move_step_edit_cursor (Evoral::MusicalTime pos)
3289 {
3290 _step_edit_cursor_position = pos;
3291
3292 if (_step_edit_cursor) {
3293 double pixel = trackview.editor().frame_to_pixel (beats_to_frames (pos));
3294 _step_edit_cursor->property_x1() = pixel;
3295 set_step_edit_cursor_width (_step_edit_cursor_width);
3296 }
3297 }
3298
3299 void
3300 MidiRegionView::hide_step_edit_cursor ()
3301 {
3302 if (_step_edit_cursor) {
3303 _step_edit_cursor->hide ();
3304 }
3305 }
3306
3307 void
3308 MidiRegionView::set_step_edit_cursor_width (Evoral::MusicalTime beats)
3309 {
3310 _step_edit_cursor_width = beats;
3311
3312 if (_step_edit_cursor) {
3313 _step_edit_cursor->property_x2() = _step_edit_cursor->property_x1() + trackview.editor().frame_to_pixel (beats_to_frames (beats));
3314 }
3315 }
3316
3317 /** Called when a diskstream on our track has received some data. Update the view, if applicable.
3318 * @param buf Data that has been recorded.
3319 * @param w Source that this data will end up in.
3320 */
3321 void
3322 MidiRegionView::data_recorded (boost::shared_ptr<MidiBuffer> buf, boost::weak_ptr<MidiSource> w)
3323 {
3324 if (!_active_notes) {
3325 /* we aren't actively being recorded to */
3326 return;
3327 }
3328
3329 boost::shared_ptr<MidiSource> src = w.lock ();
3330 if (!src || src != midi_region()->midi_source()) {
3331 /* recorded data was not destined for our source */
3332 return;
3333 }
3334
3335 MidiTimeAxisView* mtv = dynamic_cast<MidiTimeAxisView*> (&trackview);
3336 BeatsFramesConverter converter (trackview.session()->tempo_map(), mtv->midi_track()->get_capture_start_frame (0));
3337
3338 framepos_t back = max_framepos;
3339
3340 for (MidiBuffer::iterator i = buf->begin(); i != buf->end(); ++i) {
3341 Evoral::MIDIEvent<MidiBuffer::TimeType> const ev (*i, false);
3342 assert (ev.buffer ());
3343
3344 Evoral::MusicalTime const time_beats = converter.from (ev.time () - converter.origin_b ());
3345
3346 if (ev.type() == MIDI_CMD_NOTE_ON) {
3347
3348 boost::shared_ptr<Evoral::Note<Evoral::MusicalTime> > note (
3349 new Evoral::Note<Evoral::MusicalTime> (ev.channel(), time_beats, 0, ev.note(), ev.velocity())
3350 );
3351
3352 add_note (note, true);
3353
3354 /* fix up our note range */
3355 if (ev.note() < _current_range_min) {
3356 midi_stream_view()->apply_note_range (ev.note(), _current_range_max, true);
3357 } else if (ev.note() > _current_range_max) {
3358 midi_stream_view()->apply_note_range (_current_range_min, ev.note(), true);
3359 }
3360
3361 } else if (ev.type() == MIDI_CMD_NOTE_OFF) {
3362 resolve_note (ev.note (), time_beats);
3363 }
3364
3365 back = ev.time ();
3366 }
3367
3368 midi_stream_view()->check_record_layers (region(), back);
3369 }
3370
3371 void
3372 MidiRegionView::trim_front_starting ()
3373 {
3374 /* Reparent the note group to the region view's parent, so that it doesn't change
3375 when the region view is trimmed.
3376 */
3377 _temporary_note_group = new ArdourCanvas::Group (*group->property_parent ());
3378 _temporary_note_group->move (group->property_x(), group->property_y());
3379 _note_group->reparent (*_temporary_note_group);
3380 }
3381
3382 void
3383 MidiRegionView::trim_front_ending ()
3384 {
3385 _note_group->reparent (*group);
3386 delete _temporary_note_group;
3387 _temporary_note_group = 0;
3388
3389 if (_region->start() < 0) {
3390 /* Trim drag made start time -ve; fix this */
3391 midi_region()->fix_negative_start ();
3392 }
3393 }
3394
3395 /** @return channel (counted from 0) to add an event to, based on the current setting
3396 * of the channel selector.
3397 */
3398 uint8_t
3399 MidiRegionView::get_channel_for_add () const
3400 {
3401 MidiTimeAxisView* const mtv = dynamic_cast<MidiTimeAxisView*>(&trackview);
3402 uint16_t const chn_mask = mtv->channel_selector().get_selected_channels();
3403 int chn_cnt = 0;
3404 uint8_t channel = 0;
3405
3406 /* pick the highest selected channel, unless all channels are selected,
3407 which is interpreted to mean channel 1 (zero)
3408 */
3409
3410 for (uint16_t i = 0; i < 16; ++i) {
3411 if (chn_mask & (1<<i)) {
3412 channel = i;
3413 chn_cnt++;
3414 }
3415 }
3416
3417 if (chn_cnt == 16) {
3418 channel = 0;
3419 }
3420
3421 return channel;
3422 }
3423
3424 void
3425 MidiRegionView::edit_patch_change (ArdourCanvas::CanvasPatchChange* pc)
3426 {
3427 PatchChangeDialog d (&_time_converter, trackview.session(), *pc->patch (), Gtk::Stock::APPLY);
3428 if (d.run () != Gtk::RESPONSE_ACCEPT) {
3429 return;
3430 }
3431
3432 change_patch_change (pc->patch(), d.patch ());
3433 }
Digital Audio Workstation