merge 3.0-panexp (pan experiments) branch, revisions 8534-8585 into 3.0, thus ending...
[ardour2.git] / gtk2_ardour / midi_region_view.cc
blob60e07c17e08fc2784fd68ae741a858b635c53ba7
1 /*
2 Copyright (C) 2001-2007 Paul Davis
3 Author: Dave Robillard
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.
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.
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.
20 #include <cmath>
21 #include <cassert>
22 #include <algorithm>
23 #include <ostream>
25 #include <gtkmm.h>
27 #include <gtkmm2ext/gtk_ui.h>
29 #include <sigc++/signal.h>
31 #include "pbd/memento_command.h"
32 #include "pbd/stateful_diff_command.h"
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"
42 #include "evoral/Parameter.hpp"
43 #include "evoral/MIDIParameters.hpp"
44 #include "evoral/Control.hpp"
45 #include "evoral/midi_util.h"
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 "editor.h"
53 #include "ghostregion.h"
54 #include "gui_thread.h"
55 #include "keyboard.h"
56 #include "midi_cut_buffer.h"
57 #include "midi_list_editor.h"
58 #include "midi_region_view.h"
59 #include "midi_streamview.h"
60 #include "midi_time_axis.h"
61 #include "midi_util.h"
62 #include "note_player.h"
63 #include "public_editor.h"
64 #include "rgb_macros.h"
65 #include "selection.h"
66 #include "simpleline.h"
67 #include "streamview.h"
68 #include "utils.h"
69 #include "mouse_cursors.h"
70 #include "patch_change_dialog.h"
72 #include "i18n.h"
74 using namespace ARDOUR;
75 using namespace PBD;
76 using namespace Editing;
77 using namespace ArdourCanvas;
78 using Gtkmm2ext::Keyboard;
80 MidiRegionView::MidiRegionView (ArdourCanvas::Group *parent, RouteTimeAxisView &tv,
81 boost::shared_ptr<MidiRegion> r, double spu, Gdk::Color const & basic_color)
82 : RegionView (parent, tv, r, spu, basic_color)
83 , _force_channel(-1)
84 , _last_channel_selection(0xFFFF)
85 , _current_range_min(0)
86 , _current_range_max(0)
87 , _model_name(string())
88 , _custom_device_mode(string())
89 , _active_notes(0)
90 , _note_group(new ArdourCanvas::Group(*group))
91 , _note_diff_command (0)
92 , _ghost_note(0)
93 , _drag_rect (0)
94 , _step_edit_cursor (0)
95 , _step_edit_cursor_width (1.0)
96 , _step_edit_cursor_position (0.0)
97 , _channel_selection_scoped_note (0)
98 , _temporary_note_group (0)
99 , _mouse_state(None)
100 , _pressed_button(0)
101 , _sort_needed (true)
102 , _optimization_iterator (_events.end())
103 , _list_editor (0)
104 , no_sound_notes (false)
105 , _last_event_x (0)
106 , _last_event_y (0)
107 , pre_enter_cursor (0)
109 _note_group->raise_to_top();
110 PublicEditor::DropDownKeys.connect (sigc::mem_fun (*this, &MidiRegionView::drop_down_keys));
112 connect_to_diskstream ();
115 MidiRegionView::MidiRegionView (ArdourCanvas::Group *parent, RouteTimeAxisView &tv,
116 boost::shared_ptr<MidiRegion> r, double spu, Gdk::Color& basic_color,
117 TimeAxisViewItem::Visibility visibility)
118 : RegionView (parent, tv, r, spu, basic_color, false, visibility)
119 , _force_channel(-1)
120 , _last_channel_selection(0xFFFF)
121 , _model_name(string())
122 , _custom_device_mode(string())
123 , _active_notes(0)
124 , _note_group(new ArdourCanvas::Group(*parent))
125 , _note_diff_command (0)
126 , _ghost_note(0)
127 , _drag_rect (0)
128 , _step_edit_cursor (0)
129 , _step_edit_cursor_width (1.0)
130 , _step_edit_cursor_position (0.0)
131 , _channel_selection_scoped_note (0)
132 , _temporary_note_group (0)
133 , _mouse_state(None)
134 , _pressed_button(0)
135 , _sort_needed (true)
136 , _optimization_iterator (_events.end())
137 , _list_editor (0)
138 , no_sound_notes (false)
139 , _last_event_x (0)
140 , _last_event_y (0)
142 _note_group->raise_to_top();
143 PublicEditor::DropDownKeys.connect (sigc::mem_fun (*this, &MidiRegionView::drop_down_keys));
145 connect_to_diskstream ();
148 MidiRegionView::MidiRegionView (const MidiRegionView& other)
149 : sigc::trackable(other)
150 , RegionView (other)
151 , _force_channel(-1)
152 , _last_channel_selection(0xFFFF)
153 , _model_name(string())
154 , _custom_device_mode(string())
155 , _active_notes(0)
156 , _note_group(new ArdourCanvas::Group(*get_canvas_group()))
157 , _note_diff_command (0)
158 , _ghost_note(0)
159 , _drag_rect (0)
160 , _step_edit_cursor (0)
161 , _step_edit_cursor_width (1.0)
162 , _step_edit_cursor_position (0.0)
163 , _channel_selection_scoped_note (0)
164 , _temporary_note_group (0)
165 , _mouse_state(None)
166 , _pressed_button(0)
167 , _sort_needed (true)
168 , _optimization_iterator (_events.end())
169 , _list_editor (0)
170 , no_sound_notes (false)
171 , _last_event_x (0)
172 , _last_event_y (0)
174 Gdk::Color c;
175 int r,g,b,a;
177 UINT_TO_RGBA (other.fill_color, &r, &g, &b, &a);
178 c.set_rgb_p (r/255.0, g/255.0, b/255.0);
180 init (c, false);
183 MidiRegionView::MidiRegionView (const MidiRegionView& other, boost::shared_ptr<MidiRegion> region)
184 : RegionView (other, boost::shared_ptr<Region> (region))
185 , _force_channel(-1)
186 , _last_channel_selection(0xFFFF)
187 , _model_name(string())
188 , _custom_device_mode(string())
189 , _active_notes(0)
190 , _note_group(new ArdourCanvas::Group(*get_canvas_group()))
191 , _note_diff_command (0)
192 , _ghost_note(0)
193 , _drag_rect (0)
194 , _step_edit_cursor (0)
195 , _step_edit_cursor_width (1.0)
196 , _step_edit_cursor_position (0.0)
197 , _channel_selection_scoped_note (0)
198 , _temporary_note_group (0)
199 , _mouse_state(None)
200 , _pressed_button(0)
201 , _sort_needed (true)
202 , _optimization_iterator (_events.end())
203 , _list_editor (0)
204 , no_sound_notes (false)
205 , _last_event_x (0)
206 , _last_event_y (0)
208 Gdk::Color c;
209 int r,g,b,a;
211 UINT_TO_RGBA (other.fill_color, &r, &g, &b, &a);
212 c.set_rgb_p (r/255.0, g/255.0, b/255.0);
214 init (c, true);
217 void
218 MidiRegionView::init (Gdk::Color const & basic_color, bool wfd)
220 PublicEditor::DropDownKeys.connect (sigc::mem_fun (*this, &MidiRegionView::drop_down_keys));
222 CanvasNoteEvent::CanvasNoteEventDeleted.connect (note_delete_connection, MISSING_INVALIDATOR,
223 ui_bind (&MidiRegionView::maybe_remove_deleted_note_from_selection, this, _1),
224 gui_context());
226 if (wfd) {
227 midi_region()->midi_source(0)->load_model();
230 _model = midi_region()->midi_source(0)->model();
231 _enable_display = false;
233 RegionView::init (basic_color, false);
235 compute_colors (basic_color);
237 set_height (trackview.current_height());
239 region_muted ();
240 region_sync_changed ();
241 region_resized (ARDOUR::bounds_change);
242 region_locked ();
244 reset_width_dependent_items (_pixel_width);
246 set_colors ();
248 _enable_display = true;
249 if (_model) {
250 if (wfd) {
251 display_model (_model);
255 group->raise_to_top();
256 group->signal_event().connect (sigc::mem_fun (this, &MidiRegionView::canvas_event), false);
258 midi_view()->signal_channel_mode_changed().connect(
259 sigc::mem_fun(this, &MidiRegionView::midi_channel_mode_changed));
261 midi_view()->signal_midi_patch_settings_changed().connect(
262 sigc::mem_fun(this, &MidiRegionView::midi_patch_settings_changed));
264 trackview.editor().SnapChanged.connect (snap_changed_connection, invalidator (*this), ui_bind (&MidiRegionView::snap_changed, this), gui_context ());
266 connect_to_diskstream ();
269 void
270 MidiRegionView::connect_to_diskstream ()
272 midi_view()->midi_track()->DataRecorded.connect (*this, invalidator (*this), ui_bind (&MidiRegionView::data_recorded, this, _1, _2), gui_context ());
275 bool
276 MidiRegionView::canvas_event(GdkEvent* ev)
278 switch (ev->type) {
279 case GDK_ENTER_NOTIFY:
280 case GDK_LEAVE_NOTIFY:
281 _last_event_x = ev->crossing.x;
282 _last_event_y = ev->crossing.y;
283 break;
284 case GDK_MOTION_NOTIFY:
285 _last_event_x = ev->motion.x;
286 _last_event_y = ev->motion.y;
287 break;
288 default:
289 break;
292 if (!trackview.editor().internal_editing()) {
293 return false;
296 /* XXX: note that until version 2.30, the GnomeCanvas did not propagate scroll events
297 to its items, which means that ev->type == GDK_SCROLL will never be seen
300 switch (ev->type) {
301 case GDK_SCROLL:
302 return scroll (&ev->scroll);
304 case GDK_KEY_PRESS:
305 return key_press (&ev->key);
307 case GDK_KEY_RELEASE:
308 return key_release (&ev->key);
310 case GDK_BUTTON_PRESS:
311 return button_press (&ev->button);
313 case GDK_2BUTTON_PRESS:
314 return true;
316 case GDK_BUTTON_RELEASE:
317 return button_release (&ev->button);
319 case GDK_ENTER_NOTIFY:
320 return enter_notify (&ev->crossing);
322 case GDK_LEAVE_NOTIFY:
323 return leave_notify (&ev->crossing);
325 case GDK_MOTION_NOTIFY:
326 return motion (&ev->motion);
328 default:
329 break;
332 return false;
335 void
336 MidiRegionView::remove_ghost_note ()
338 delete _ghost_note;
339 _ghost_note = 0;
342 bool
343 MidiRegionView::enter_notify (GdkEventCrossing* ev)
345 trackview.editor().MouseModeChanged.connect (
346 _mouse_mode_connection, invalidator (*this), ui_bind (&MidiRegionView::mouse_mode_changed, this), gui_context ()
349 Keyboard::magic_widget_grab_focus();
350 group->grab_focus();
352 if (trackview.editor().current_mouse_mode() == MouseRange) {
353 create_ghost_note (ev->x, ev->y);
356 return false;
359 bool
360 MidiRegionView::leave_notify (GdkEventCrossing*)
362 _mouse_mode_connection.disconnect ();
364 trackview.editor().hide_verbose_canvas_cursor ();
365 remove_ghost_note ();
366 return false;
369 void
370 MidiRegionView::mouse_mode_changed ()
372 if (trackview.editor().current_mouse_mode() == MouseRange && trackview.editor().internal_editing()) {
373 create_ghost_note (_last_event_x, _last_event_y);
374 } else {
375 remove_ghost_note ();
376 trackview.editor().hide_verbose_canvas_cursor ();
380 bool
381 MidiRegionView::button_press (GdkEventButton* ev)
383 _last_x = ev->x;
384 _last_y = ev->y;
386 group->w2i (_last_x, _last_y);
388 if (_mouse_state != SelectTouchDragging) {
390 _pressed_button = ev->button;
391 _mouse_state = Pressed;
393 return true;
396 _pressed_button = ev->button;
398 return true;
401 bool
402 MidiRegionView::button_release (GdkEventButton* ev)
404 double event_x, event_y;
405 framepos_t event_frame = 0;
407 event_x = ev->x;
408 event_y = ev->y;
410 group->w2i(event_x, event_y);
411 group->ungrab(ev->time);
413 event_frame = trackview.editor().pixel_to_frame(event_x);
415 switch (_mouse_state) {
416 case Pressed: // Clicked
418 switch (trackview.editor().current_mouse_mode()) {
419 case MouseObject:
420 case MouseTimeFX:
422 clear_selection();
424 if (Keyboard::is_insert_note_event(ev)){
426 double event_x, event_y;
428 event_x = ev->x;
429 event_y = ev->y;
430 group->w2i(event_x, event_y);
432 bool success;
433 Evoral::MusicalTime beats = trackview.editor().get_grid_type_as_beats (success, trackview.editor().pixel_to_frame (event_x));
435 if (!success) {
436 beats = 1;
439 create_note_at (event_x, event_y, beats, true);
442 break;
444 case MouseRange:
446 bool success;
447 Evoral::MusicalTime beats = trackview.editor().get_grid_type_as_beats (success, trackview.editor().pixel_to_frame (event_x));
449 if (!success) {
450 beats = 1;
453 create_note_at (event_x, event_y, beats, true);
455 break;
457 default:
458 break;
461 _mouse_state = None;
462 break;
464 case SelectRectDragging: // Select drag done
466 _mouse_state = None;
467 delete _drag_rect;
468 _drag_rect = 0;
469 break;
471 case AddDragging: // Add drag done
473 _mouse_state = None;
475 if (Keyboard::is_insert_note_event(ev) || trackview.editor().current_mouse_mode() == MouseRange){
477 if (_drag_rect->property_x2() > _drag_rect->property_x1() + 2) {
479 const double x = _drag_rect->property_x1();
480 const double length = trackview.editor().pixel_to_frame (_drag_rect->property_x2() - _drag_rect->property_x1());
482 create_note_at (x, _drag_rect->property_y1(), frames_to_beats(length), true);
486 delete _drag_rect;
487 _drag_rect = 0;
489 create_ghost_note (ev->x, ev->y);
491 default:
492 break;
495 return false;
498 bool
499 MidiRegionView::motion (GdkEventMotion* ev)
501 double event_x, event_y;
502 framepos_t event_frame = 0;
504 event_x = ev->x;
505 event_y = ev->y;
506 group->w2i(event_x, event_y);
508 // convert event_x to global frame
509 event_frame = trackview.editor().pixel_to_frame(event_x) + _region->position();
510 trackview.editor().snap_to(event_frame);
512 // convert event_frame back to local coordinates relative to position
513 event_frame -= _region->position();
515 if (!_ghost_note && trackview.editor().current_mouse_mode() != MouseRange
516 && Keyboard::modifier_state_contains (ev->state, Keyboard::insert_note_modifier())
517 && _mouse_state != AddDragging){
519 create_ghost_note (ev->x, ev->y);
521 else if (_ghost_note && trackview.editor().current_mouse_mode() != MouseRange
522 && Keyboard::modifier_state_contains (ev->state, Keyboard::insert_note_modifier())){
524 update_ghost_note (ev->x, ev->y);
526 else if (_ghost_note && trackview.editor().current_mouse_mode() != MouseRange){
528 delete _ghost_note;
529 _ghost_note = 0;
531 trackview.editor().hide_verbose_canvas_cursor ();
533 else if (_ghost_note && trackview.editor().current_mouse_mode() == MouseRange) {
534 update_ghost_note (ev->x, ev->y);
537 /* any motion immediately hides velocity text that may have been visible */
539 for (Selection::iterator i = _selection.begin(); i != _selection.end(); ++i) {
540 (*i)->hide_velocity ();
543 switch (_mouse_state) {
544 case Pressed: // Maybe start a drag, if we've moved a bit
546 if (fabs (event_x - _last_x) < 1 && fabs (event_y - _last_y) < 1) {
547 /* no appreciable movement since the button was pressed */
548 return false;
551 // Select drag start
552 if (_pressed_button == 1 && trackview.editor().current_mouse_mode() == MouseObject
553 && !Keyboard::modifier_state_contains (ev->state, Keyboard::insert_note_modifier())) {
555 group->grab(GDK_POINTER_MOTION_MASK | GDK_BUTTON_RELEASE_MASK,
556 Gdk::Cursor(Gdk::FLEUR), ev->time);
558 _last_x = event_x;
559 _last_y = event_y;
560 _drag_start_x = event_x;
561 _drag_start_y = event_y;
563 _drag_rect = new ArdourCanvas::SimpleRect(*group);
564 _drag_rect->property_x1() = event_x;
565 _drag_rect->property_y1() = event_y;
566 _drag_rect->property_x2() = event_x;
567 _drag_rect->property_y2() = event_y;
568 _drag_rect->property_outline_what() = 0xFF;
569 _drag_rect->property_outline_color_rgba()
570 = ARDOUR_UI::config()->canvasvar_MidiSelectRectOutline.get();
571 _drag_rect->property_fill_color_rgba()
572 = ARDOUR_UI::config()->canvasvar_MidiSelectRectFill.get();
574 _mouse_state = SelectRectDragging;
575 return true;
577 // Add note drag start
578 } else if (trackview.editor().internal_editing()) {
580 delete _ghost_note;
581 _ghost_note = 0;
583 group->grab(GDK_POINTER_MOTION_MASK | GDK_BUTTON_RELEASE_MASK,
584 Gdk::Cursor(Gdk::FLEUR), ev->time);
586 _last_x = event_x;
587 _last_y = event_y;
588 _drag_start_x = event_x;
589 _drag_start_y = event_y;
591 _drag_rect = new ArdourCanvas::SimpleRect(*group);
592 _drag_rect->property_x1() = trackview.editor().frame_to_pixel(event_frame);
594 _drag_rect->property_y1() = midi_stream_view()->note_to_y(
595 midi_stream_view()->y_to_note(event_y));
596 _drag_rect->property_x2() = trackview.editor().frame_to_pixel(event_frame);
597 _drag_rect->property_y2() = _drag_rect->property_y1()
598 + floor(midi_stream_view()->note_height());
599 _drag_rect->property_outline_what() = 0xFF;
600 _drag_rect->property_outline_color_rgba() = 0xFFFFFF99;
601 _drag_rect->property_fill_color_rgba() = 0xFFFFFF66;
603 _mouse_state = AddDragging;
605 if (_ghost_note){
607 delete _ghost_note;
608 _ghost_note = 0;
610 trackview.editor().hide_verbose_canvas_cursor ();
613 return true;
616 return false;
618 case SelectRectDragging: // Select drag motion
619 case AddDragging: // Add note drag motion
621 if (ev->is_hint) {
622 int t_x;
623 int t_y;
624 GdkModifierType state;
625 gdk_window_get_pointer(ev->window, &t_x, &t_y, &state);
626 event_x = t_x;
627 event_y = t_y;
630 if (_mouse_state == AddDragging){
631 event_x = trackview.editor().frame_to_pixel(event_frame);
634 if (_drag_rect) {
636 if (event_x > _drag_start_x){
637 _drag_rect->property_x2() = event_x;
639 else {
640 _drag_rect->property_x1() = event_x;
644 if (_drag_rect && _mouse_state == SelectRectDragging) {
646 if (event_y > _drag_start_y){
647 _drag_rect->property_y2() = event_y;
649 else {
650 _drag_rect->property_y1() = event_y;
653 update_drag_selection(_drag_start_x, event_x, _drag_start_y, event_y);
656 _last_x = event_x;
657 _last_y = event_y;
659 case SelectTouchDragging:
660 return false;
662 default:
663 break;
666 return false;
670 bool
671 MidiRegionView::scroll (GdkEventScroll* ev)
673 if (_selection.empty()) {
674 return false;
677 trackview.editor().hide_verbose_canvas_cursor ();
679 bool fine = !Keyboard::modifier_state_equals (ev->state, Keyboard::SecondaryModifier);
681 if (ev->direction == GDK_SCROLL_UP) {
682 change_velocities (true, fine, false);
683 } else if (ev->direction == GDK_SCROLL_DOWN) {
684 change_velocities (false, fine, false);
686 return true;
689 bool
690 MidiRegionView::key_press (GdkEventKey* ev)
692 /* since GTK bindings are generally activated on press, and since
693 detectable auto-repeat is the name of the game and only sends
694 repeated presses, carry out key actions at key press, not release.
697 if (ev->keyval == GDK_Alt_L || ev->keyval == GDK_Alt_R){
698 _mouse_state = SelectTouchDragging;
699 return true;
701 } else if (ev->keyval == GDK_Escape) {
702 clear_selection();
703 _mouse_state = None;
705 } else if (ev->keyval == GDK_comma || ev->keyval == GDK_period) {
707 bool start = (ev->keyval == GDK_comma);
708 bool end = (ev->keyval == GDK_period);
709 bool shorter = Keyboard::modifier_state_contains (ev->state, Keyboard::PrimaryModifier);
710 bool fine = Keyboard::modifier_state_contains (ev->state, Keyboard::SecondaryModifier);
712 change_note_lengths (fine, shorter, 0.0, start, end);
714 return true;
716 } else if (ev->keyval == GDK_Delete) {
718 delete_selection();
719 return true;
721 } else if (ev->keyval == GDK_Tab) {
723 if (Keyboard::modifier_state_equals (ev->state, Keyboard::PrimaryModifier)) {
724 goto_previous_note ();
725 } else {
726 goto_next_note ();
728 return true;
730 } else if (ev->keyval == GDK_Up) {
732 bool allow_smush = Keyboard::modifier_state_contains (ev->state, Keyboard::TertiaryModifier);
733 bool fine = !Keyboard::modifier_state_contains (ev->state, Keyboard::SecondaryModifier);
735 if (Keyboard::modifier_state_contains (ev->state, Keyboard::PrimaryModifier)) {
736 change_velocities (true, fine, allow_smush);
737 } else {
738 transpose (true, fine, allow_smush);
740 return true;
742 } else if (ev->keyval == GDK_Down) {
744 bool allow_smush = Keyboard::modifier_state_contains (ev->state, Keyboard::TertiaryModifier);
745 bool fine = !Keyboard::modifier_state_contains (ev->state, Keyboard::SecondaryModifier);
747 if (Keyboard::modifier_state_contains (ev->state, Keyboard::PrimaryModifier)) {
748 change_velocities (false, fine, allow_smush);
749 } else {
750 transpose (false, fine, allow_smush);
752 return true;
754 } else if (ev->keyval == GDK_Left) {
756 nudge_notes (false);
757 return true;
759 } else if (ev->keyval == GDK_Right) {
761 nudge_notes (true);
762 return true;
764 } else if (ev->keyval == GDK_Control_L) {
765 return true;
769 return false;
772 bool
773 MidiRegionView::key_release (GdkEventKey* ev)
775 if (ev->keyval == GDK_Alt_L || ev->keyval == GDK_Alt_R) {
776 _mouse_state = None;
777 return true;
779 return false;
782 void
783 MidiRegionView::show_list_editor ()
785 if (!_list_editor) {
786 _list_editor = new MidiListEditor (trackview.session(), midi_region());
788 _list_editor->present ();
791 /** Add a note to the model, and the view, at a canvas (click) coordinate.
792 * \param x horizontal position in pixels
793 * \param y vertical position in pixels
794 * \param length duration of the note in beats, which will be snapped to the grid
795 * \param sh true to make the note 1 frame shorter than the snapped version of \a length.
797 void
798 MidiRegionView::create_note_at(double x, double y, double length, bool sh)
800 MidiTimeAxisView* const mtv = dynamic_cast<MidiTimeAxisView*>(&trackview);
801 MidiStreamView* const view = mtv->midi_view();
803 double note = view->y_to_note(y);
805 assert(note >= 0.0);
806 assert(note <= 127.0);
808 // Start of note in frames relative to region start
809 framepos_t const start_frames = snap_frame_to_frame(trackview.editor().pixel_to_frame(x));
810 assert(start_frames >= 0);
812 // Snap length
813 length = frames_to_beats(
814 snap_frame_to_frame(start_frames + beats_to_frames(length)) - start_frames);
816 assert (length != 0);
818 if (sh) {
819 length = frames_to_beats (beats_to_frames (length) - 1);
822 const boost::shared_ptr<NoteType> new_note (new NoteType (get_channel_for_add (),
823 frames_to_beats(start_frames + _region->start()), length,
824 (uint8_t)note, 0x40));
826 if (_model->contains (new_note)) {
827 return;
830 view->update_note_range(new_note->note());
832 MidiModel::NoteDiffCommand* cmd = _model->new_note_diff_command("add note");
833 cmd->add (new_note);
834 _model->apply_command(*trackview.session(), cmd);
836 play_midi_note (new_note);
839 void
840 MidiRegionView::clear_events()
842 clear_selection();
844 MidiGhostRegion* gr;
845 for (std::vector<GhostRegion*>::iterator g = ghosts.begin(); g != ghosts.end(); ++g) {
846 if ((gr = dynamic_cast<MidiGhostRegion*>(*g)) != 0) {
847 gr->clear_events();
851 for (Events::iterator i = _events.begin(); i != _events.end(); ++i) {
852 delete *i;
855 _events.clear();
856 _patch_changes.clear();
857 _sys_exes.clear();
858 _optimization_iterator = _events.end();
861 void
862 MidiRegionView::display_model(boost::shared_ptr<MidiModel> model)
864 _model = model;
866 content_connection.disconnect ();
867 _model->ContentsChanged.connect (content_connection, invalidator (*this), boost::bind (&MidiRegionView::redisplay_model, this), gui_context());
869 clear_events ();
871 if (_enable_display) {
872 redisplay_model();
876 void
877 MidiRegionView::start_note_diff_command (string name)
879 if (!_note_diff_command) {
880 _note_diff_command = _model->new_note_diff_command (name);
884 void
885 MidiRegionView::note_diff_add_note (const boost::shared_ptr<NoteType> note, bool selected, bool show_velocity)
887 if (_note_diff_command) {
888 _note_diff_command->add (note);
890 if (selected) {
891 _marked_for_selection.insert(note);
893 if (show_velocity) {
894 _marked_for_velocity.insert(note);
898 void
899 MidiRegionView::note_diff_remove_note (ArdourCanvas::CanvasNoteEvent* ev)
901 if (_note_diff_command && ev->note()) {
902 _note_diff_command->remove(ev->note());
906 void
907 MidiRegionView::note_diff_add_change (ArdourCanvas::CanvasNoteEvent* ev,
908 MidiModel::NoteDiffCommand::Property property,
909 uint8_t val)
911 if (_note_diff_command) {
912 _note_diff_command->change (ev->note(), property, val);
916 void
917 MidiRegionView::note_diff_add_change (ArdourCanvas::CanvasNoteEvent* ev,
918 MidiModel::NoteDiffCommand::Property property,
919 Evoral::MusicalTime val)
921 if (_note_diff_command) {
922 _note_diff_command->change (ev->note(), property, val);
926 void
927 MidiRegionView::apply_diff ()
929 bool add_or_remove;
931 if (!_note_diff_command) {
932 return;
935 if ((add_or_remove = _note_diff_command->adds_or_removes())) {
936 // Mark all selected notes for selection when model reloads
937 for (Selection::iterator i = _selection.begin(); i != _selection.end(); ++i) {
938 _marked_for_selection.insert((*i)->note());
942 _model->apply_command(*trackview.session(), _note_diff_command);
943 _note_diff_command = 0;
944 midi_view()->midi_track()->playlist_modified();
946 if (add_or_remove) {
947 _marked_for_selection.clear();
950 _marked_for_velocity.clear();
953 void
954 MidiRegionView::apply_diff_as_subcommand ()
956 bool add_or_remove;
958 if (!_note_diff_command) {
959 return;
962 if ((add_or_remove = _note_diff_command->adds_or_removes())) {
963 // Mark all selected notes for selection when model reloads
964 for (Selection::iterator i = _selection.begin(); i != _selection.end(); ++i) {
965 _marked_for_selection.insert((*i)->note());
969 _model->apply_command_as_subcommand(*trackview.session(), _note_diff_command);
970 _note_diff_command = 0;
971 midi_view()->midi_track()->playlist_modified();
973 if (add_or_remove) {
974 _marked_for_selection.clear();
976 _marked_for_velocity.clear();
980 void
981 MidiRegionView::abort_command()
983 delete _note_diff_command;
984 _note_diff_command = 0;
985 clear_selection();
988 CanvasNoteEvent*
989 MidiRegionView::find_canvas_note (boost::shared_ptr<NoteType> note)
991 if (_optimization_iterator != _events.end()) {
992 ++_optimization_iterator;
995 if (_optimization_iterator != _events.end() && (*_optimization_iterator)->note() == note) {
996 return *_optimization_iterator;
999 for (_optimization_iterator = _events.begin(); _optimization_iterator != _events.end(); ++_optimization_iterator) {
1000 if ((*_optimization_iterator)->note() == note) {
1001 return *_optimization_iterator;
1005 return 0;
1008 void
1009 MidiRegionView::get_events (Events& e, Evoral::Sequence<Evoral::MusicalTime>::NoteOperator op, uint8_t val, int chan_mask)
1011 MidiModel::Notes notes;
1012 _model->get_notes (notes, op, val, chan_mask);
1014 for (MidiModel::Notes::iterator n = notes.begin(); n != notes.end(); ++n) {
1015 CanvasNoteEvent* cne = find_canvas_note (*n);
1016 if (cne) {
1017 e.push_back (cne);
1022 void
1023 MidiRegionView::redisplay_model()
1025 // Don't redisplay the model if we're currently recording and displaying that
1026 if (_active_notes) {
1027 return;
1030 if (!_model) {
1031 cerr << "MidiRegionView::redisplay_model called without a model" << endmsg;
1032 return;
1035 for (Events::iterator i = _events.begin(); i != _events.end(); ++i) {
1036 (*i)->invalidate ();
1039 MidiModel::ReadLock lock(_model->read_lock());
1041 MidiModel::Notes& notes (_model->notes());
1042 _optimization_iterator = _events.begin();
1044 for (MidiModel::Notes::iterator n = notes.begin(); n != notes.end(); ++n) {
1046 boost::shared_ptr<NoteType> note (*n);
1047 CanvasNoteEvent* cne;
1048 bool visible;
1050 if (note_in_region_range (note, visible)) {
1052 if ((cne = find_canvas_note (note)) != 0) {
1054 cne->validate ();
1056 CanvasNote* cn;
1057 CanvasHit* ch;
1059 if ((cn = dynamic_cast<CanvasNote*>(cne)) != 0) {
1060 update_note (cn);
1061 } else if ((ch = dynamic_cast<CanvasHit*>(cne)) != 0) {
1062 update_hit (ch);
1065 if (visible) {
1066 cne->show ();
1067 } else {
1068 cne->hide ();
1071 } else {
1073 add_note (note, visible);
1076 } else {
1078 if ((cne = find_canvas_note (note)) != 0) {
1079 cne->validate ();
1080 cne->hide ();
1086 /* remove note items that are no longer valid */
1088 for (Events::iterator i = _events.begin(); i != _events.end(); ) {
1089 if (!(*i)->valid ()) {
1090 delete *i;
1091 i = _events.erase (i);
1092 } else {
1093 ++i;
1097 _patch_changes.clear();
1098 _sys_exes.clear();
1100 display_sysexes();
1101 display_patch_changes ();
1103 _marked_for_selection.clear ();
1104 _marked_for_velocity.clear ();
1106 /* we may have caused _events to contain things out of order (e.g. if a note
1107 moved earlier or later). we don't generally need them in time order, but
1108 make a note that a sort is required for those cases that require it.
1111 _sort_needed = true;
1114 void
1115 MidiRegionView::display_patch_changes ()
1117 MidiTimeAxisView* const mtv = dynamic_cast<MidiTimeAxisView*>(&trackview);
1118 uint16_t chn_mask = mtv->channel_selector().get_selected_channels();
1120 for (uint8_t i = 0; i < 16; ++i) {
1121 if (chn_mask & (1<<i)) {
1122 display_patch_changes_on_channel (i);
1127 void
1128 MidiRegionView::display_patch_changes_on_channel (uint8_t channel)
1130 for (MidiModel::PatchChanges::const_iterator i = _model->patch_changes().begin(); i != _model->patch_changes().end(); ++i) {
1132 if ((*i)->channel() != channel) {
1133 continue;
1136 MIDI::Name::PatchPrimaryKey patch_key ((*i)->bank_msb (), (*i)->bank_lsb (), (*i)->program ());
1138 boost::shared_ptr<MIDI::Name::Patch> patch =
1139 MIDI::Name::MidiPatchManager::instance().find_patch(
1140 _model_name, _custom_device_mode, channel, patch_key);
1142 if (patch != 0) {
1143 add_canvas_patch_change (*i, patch->name());
1144 } else {
1145 char buf[4];
1146 // program_number is zero-based: convert to one-based
1147 snprintf (buf, 4, "%d", (*i)->program() + 1);
1148 add_canvas_patch_change (*i, buf);
1153 void
1154 MidiRegionView::display_sysexes()
1156 for (MidiModel::SysExes::const_iterator i = _model->sysexes().begin(); i != _model->sysexes().end(); ++i) {
1157 Evoral::MusicalTime time = (*i)->time();
1158 assert(time >= 0);
1160 ostringstream str;
1161 str << hex;
1162 for (uint32_t b = 0; b < (*i)->size(); ++b) {
1163 str << int((*i)->buffer()[b]);
1164 if (b != (*i)->size() -1) {
1165 str << " ";
1168 string text = str.str();
1170 const double x = trackview.editor().frame_to_pixel(beats_to_frames(time));
1172 double height = midi_stream_view()->contents_height();
1174 boost::shared_ptr<CanvasSysEx> sysex = boost::shared_ptr<CanvasSysEx>(
1175 new CanvasSysEx(*this, *_note_group, text, height, x, 1.0));
1177 // Show unless patch change is beyond the region bounds
1178 if (time - _region->start() >= _region->length() || time < _region->start()) {
1179 sysex->hide();
1180 } else {
1181 sysex->show();
1184 _sys_exes.push_back(sysex);
1189 MidiRegionView::~MidiRegionView ()
1191 in_destructor = true;
1193 trackview.editor().hide_verbose_canvas_cursor ();
1195 note_delete_connection.disconnect ();
1197 delete _list_editor;
1199 RegionViewGoingAway (this); /* EMIT_SIGNAL */
1201 if (_active_notes) {
1202 end_write();
1205 _selection.clear();
1206 clear_events();
1208 delete _note_group;
1209 delete _note_diff_command;
1210 delete _step_edit_cursor;
1211 delete _temporary_note_group;
1214 void
1215 MidiRegionView::region_resized (const PropertyChange& what_changed)
1217 RegionView::region_resized(what_changed);
1219 if (what_changed.contains (ARDOUR::Properties::position)) {
1220 set_duration(_region->length(), 0);
1221 if (_enable_display) {
1222 redisplay_model();
1227 void
1228 MidiRegionView::reset_width_dependent_items (double pixel_width)
1230 RegionView::reset_width_dependent_items(pixel_width);
1231 assert(_pixel_width == pixel_width);
1233 if (_enable_display) {
1234 redisplay_model();
1237 move_step_edit_cursor (_step_edit_cursor_position);
1238 set_step_edit_cursor_width (_step_edit_cursor_width);
1241 void
1242 MidiRegionView::set_height (double height)
1244 static const double FUDGE = 2.0;
1245 const double old_height = _height;
1246 RegionView::set_height(height);
1247 _height = height - FUDGE;
1249 apply_note_range(midi_stream_view()->lowest_note(),
1250 midi_stream_view()->highest_note(),
1251 height != old_height + FUDGE);
1253 if (name_pixbuf) {
1254 name_pixbuf->raise_to_top();
1257 for (PatchChanges::iterator x = _patch_changes.begin(); x != _patch_changes.end(); ++x) {
1258 (*x)->set_height (midi_stream_view()->contents_height());
1261 if (_step_edit_cursor) {
1262 _step_edit_cursor->property_y2() = midi_stream_view()->contents_height();
1267 /** Apply the current note range from the stream view
1268 * by repositioning/hiding notes as necessary
1270 void
1271 MidiRegionView::apply_note_range (uint8_t min, uint8_t max, bool force)
1273 if (!_enable_display) {
1274 return;
1277 if (!force && _current_range_min == min && _current_range_max == max) {
1278 return;
1281 _current_range_min = min;
1282 _current_range_max = max;
1284 for (Events::const_iterator i = _events.begin(); i != _events.end(); ++i) {
1285 CanvasNoteEvent* event = *i;
1286 boost::shared_ptr<NoteType> note (event->note());
1288 if (note->note() < _current_range_min ||
1289 note->note() > _current_range_max) {
1290 event->hide();
1291 } else {
1292 event->show();
1295 if (CanvasNote* cnote = dynamic_cast<CanvasNote*>(event)) {
1297 const double y1 = midi_stream_view()->note_to_y(note->note());
1298 const double y2 = y1 + floor(midi_stream_view()->note_height());
1300 cnote->property_y1() = y1;
1301 cnote->property_y2() = y2;
1303 } else if (CanvasHit* chit = dynamic_cast<CanvasHit*>(event)) {
1305 const double diamond_size = update_hit (chit);
1307 chit->set_height (diamond_size);
1312 GhostRegion*
1313 MidiRegionView::add_ghost (TimeAxisView& tv)
1315 CanvasNote* note;
1317 double unit_position = _region->position () / samples_per_unit;
1318 MidiTimeAxisView* mtv = dynamic_cast<MidiTimeAxisView*>(&tv);
1319 MidiGhostRegion* ghost;
1321 if (mtv && mtv->midi_view()) {
1322 /* if ghost is inserted into midi track, use a dedicated midi ghost canvas group
1323 to allow having midi notes on top of note lines and waveforms.
1325 ghost = new MidiGhostRegion (*mtv->midi_view(), trackview, unit_position);
1326 } else {
1327 ghost = new MidiGhostRegion (tv, trackview, unit_position);
1330 ghost->set_height ();
1331 ghost->set_duration (_region->length() / samples_per_unit);
1332 ghosts.push_back (ghost);
1334 for (Events::iterator i = _events.begin(); i != _events.end(); ++i) {
1335 if ((note = dynamic_cast<CanvasNote*>(*i)) != 0) {
1336 ghost->add_note(note);
1340 GhostRegion::CatchDeletion.connect (*this, invalidator (*this), ui_bind (&RegionView::remove_ghost, this, _1), gui_context());
1342 return ghost;
1346 /** Begin tracking note state for successive calls to add_event
1348 void
1349 MidiRegionView::begin_write()
1351 assert(!_active_notes);
1352 _active_notes = new CanvasNote*[128];
1353 for (unsigned i=0; i < 128; ++i) {
1354 _active_notes[i] = 0;
1359 /** Destroy note state for add_event
1361 void
1362 MidiRegionView::end_write()
1364 delete[] _active_notes;
1365 _active_notes = 0;
1366 _marked_for_selection.clear();
1367 _marked_for_velocity.clear();
1371 /** Resolve an active MIDI note (while recording).
1373 void
1374 MidiRegionView::resolve_note(uint8_t note, double end_time)
1376 if (midi_view()->note_mode() != Sustained) {
1377 return;
1380 if (_active_notes && _active_notes[note]) {
1382 const framepos_t end_time_frames = beats_to_frames(end_time);
1384 _active_notes[note]->property_x2() = trackview.editor().frame_to_pixel(end_time_frames);
1385 _active_notes[note]->property_outline_what() = (guint32) 0xF; // all edges
1386 _active_notes[note] = 0;
1391 /** Extend active notes to rightmost edge of region (if length is changed)
1393 void
1394 MidiRegionView::extend_active_notes()
1396 if (!_active_notes) {
1397 return;
1400 for (unsigned i=0; i < 128; ++i) {
1401 if (_active_notes[i]) {
1402 _active_notes[i]->property_x2() = trackview.editor().frame_to_pixel(_region->length());
1408 void
1409 MidiRegionView::play_midi_note(boost::shared_ptr<NoteType> note)
1411 if (no_sound_notes || !trackview.editor().sound_notes()) {
1412 return;
1415 RouteUI* route_ui = dynamic_cast<RouteUI*> (&trackview);
1417 if (!route_ui || !route_ui->midi_track()) {
1418 return;
1421 NotePlayer* np = new NotePlayer (route_ui->midi_track());
1422 np->add (note);
1423 np->play ();
1426 void
1427 MidiRegionView::play_midi_chord (vector<boost::shared_ptr<NoteType> > notes)
1429 if (no_sound_notes || !trackview.editor().sound_notes()) {
1430 return;
1433 RouteUI* route_ui = dynamic_cast<RouteUI*> (&trackview);
1435 if (!route_ui || !route_ui->midi_track()) {
1436 return;
1439 NotePlayer* np = new NotePlayer (route_ui->midi_track());
1441 for (vector<boost::shared_ptr<NoteType> >::iterator n = notes.begin(); n != notes.end(); ++n) {
1442 np->add (*n);
1445 np->play ();
1449 bool
1450 MidiRegionView::note_in_region_range(const boost::shared_ptr<NoteType> note, bool& visible) const
1452 const framepos_t note_start_frames = beats_to_frames(note->time());
1454 bool outside = (note_start_frames - _region->start() >= _region->length()) ||
1455 (note_start_frames < _region->start());
1457 visible = (note->note() >= midi_stream_view()->lowest_note()) &&
1458 (note->note() <= midi_stream_view()->highest_note());
1460 return !outside;
1463 void
1464 MidiRegionView::update_note (CanvasNote* ev)
1466 boost::shared_ptr<NoteType> note = ev->note();
1468 const framepos_t note_start_frames = beats_to_frames(note->time());
1470 /* trim note display to not overlap the end of its region */
1471 const framepos_t note_end_frames = min (beats_to_frames (note->end_time()), _region->start() + _region->length());
1473 const double x = trackview.editor().frame_to_pixel(note_start_frames - _region->start());
1474 const double y1 = midi_stream_view()->note_to_y(note->note());
1475 const double note_endpixel = trackview.editor().frame_to_pixel(note_end_frames - _region->start());
1477 ev->property_x1() = x;
1478 ev->property_y1() = y1;
1480 if (note->length() > 0) {
1481 ev->property_x2() = note_endpixel;
1482 } else {
1483 ev->property_x2() = trackview.editor().frame_to_pixel(_region->length());
1486 ev->property_y2() = y1 + floor(midi_stream_view()->note_height());
1488 if (note->length() == 0) {
1489 if (_active_notes) {
1490 assert(note->note() < 128);
1491 // If this note is already active there's a stuck note,
1492 // finish the old note rectangle
1493 if (_active_notes[note->note()]) {
1494 CanvasNote* const old_rect = _active_notes[note->note()];
1495 boost::shared_ptr<NoteType> old_note = old_rect->note();
1496 old_rect->property_x2() = x;
1497 old_rect->property_outline_what() = (guint32) 0xF;
1499 _active_notes[note->note()] = ev;
1501 /* outline all but right edge */
1502 ev->property_outline_what() = (guint32) (0x1 & 0x4 & 0x8);
1503 } else {
1504 /* outline all edges */
1505 ev->property_outline_what() = (guint32) 0xF;
1509 double
1510 MidiRegionView::update_hit (CanvasHit* ev)
1512 boost::shared_ptr<NoteType> note = ev->note();
1514 const framepos_t note_start_frames = beats_to_frames(note->time());
1515 const double x = trackview.editor().frame_to_pixel(note_start_frames - _region->start());
1516 const double diamond_size = midi_stream_view()->note_height() / 2.0;
1517 const double y = midi_stream_view()->note_to_y(note->note()) + ((diamond_size-2) / 4.0);
1519 ev->move_to (x, y);
1521 return diamond_size;
1524 /** Add a MIDI note to the view (with length).
1526 * If in sustained mode, notes with length 0 will be considered active
1527 * notes, and resolve_note should be called when the corresponding note off
1528 * event arrives, to properly display the note.
1530 void
1531 MidiRegionView::add_note(const boost::shared_ptr<NoteType> note, bool visible)
1533 CanvasNoteEvent* event = 0;
1535 assert(note->time() >= 0);
1536 assert(midi_view()->note_mode() == Sustained || midi_view()->note_mode() == Percussive);
1538 //ArdourCanvas::Group* const group = (ArdourCanvas::Group*) get_canvas_group();
1540 if (midi_view()->note_mode() == Sustained) {
1542 CanvasNote* ev_rect = new CanvasNote(*this, *_note_group, note);
1544 update_note (ev_rect);
1546 event = ev_rect;
1548 MidiGhostRegion* gr;
1550 for (std::vector<GhostRegion*>::iterator g = ghosts.begin(); g != ghosts.end(); ++g) {
1551 if ((gr = dynamic_cast<MidiGhostRegion*>(*g)) != 0) {
1552 gr->add_note(ev_rect);
1556 } else if (midi_view()->note_mode() == Percussive) {
1558 const double diamond_size = midi_stream_view()->note_height() / 2.0;
1560 CanvasHit* ev_diamond = new CanvasHit(*this, *_note_group, diamond_size, note);
1562 update_hit (ev_diamond);
1564 event = ev_diamond;
1566 } else {
1567 event = 0;
1570 if (event) {
1571 if (_marked_for_selection.find(note) != _marked_for_selection.end()) {
1572 note_selected(event, true);
1575 if (_marked_for_velocity.find(note) != _marked_for_velocity.end()) {
1576 event->show_velocity();
1579 event->on_channel_selection_change(_last_channel_selection);
1580 _events.push_back(event);
1582 if (visible) {
1583 event->show();
1584 } else {
1585 event->hide ();
1589 MidiTimeAxisView* const mtv = dynamic_cast<MidiTimeAxisView*>(&trackview);
1590 MidiStreamView* const view = mtv->midi_view();
1592 view->update_note_range(note->note());
1595 void
1596 MidiRegionView::step_add_note (uint8_t channel, uint8_t number, uint8_t velocity,
1597 Evoral::MusicalTime pos, Evoral::MusicalTime len)
1599 boost::shared_ptr<NoteType> new_note (new NoteType (channel, pos, len, number, velocity));
1601 /* potentially extend region to hold new note */
1603 framepos_t end_frame = _region->position() + beats_to_frames (new_note->end_time());
1604 framepos_t region_end = _region->position() + _region->length() - 1;
1606 if (end_frame > region_end) {
1607 _region->set_length (end_frame - _region->position(), this);
1610 MidiTimeAxisView* const mtv = dynamic_cast<MidiTimeAxisView*>(&trackview);
1611 MidiStreamView* const view = mtv->midi_view();
1613 view->update_note_range(new_note->note());
1615 _marked_for_selection.clear ();
1616 clear_selection ();
1618 start_note_diff_command (_("step add"));
1619 note_diff_add_note (new_note, true, false);
1620 apply_diff();
1622 // last_step_edit_note = new_note;
1625 void
1626 MidiRegionView::step_sustain (Evoral::MusicalTime beats)
1628 change_note_lengths (false, false, beats, false, true);
1631 void
1632 MidiRegionView::add_canvas_patch_change (MidiModel::PatchChangePtr patch, const string& displaytext)
1634 assert (patch->time() >= 0);
1636 const double x = trackview.editor().frame_to_pixel (beats_to_frames (patch->time()));
1638 double const height = midi_stream_view()->contents_height();
1640 boost::shared_ptr<CanvasPatchChange> patch_change = boost::shared_ptr<CanvasPatchChange>(
1641 new CanvasPatchChange(*this, *_note_group,
1642 displaytext,
1643 height,
1644 x, 1.0,
1645 _model_name,
1646 _custom_device_mode,
1647 patch)
1650 // Show unless patch change is beyond the region bounds
1651 if (patch->time() - _region->start() >= _region->length() || patch->time() < _region->start()) {
1652 patch_change->hide();
1653 } else {
1654 patch_change->show();
1657 _patch_changes.push_back (patch_change);
1660 void
1661 MidiRegionView::get_patch_key_at (Evoral::MusicalTime time, uint8_t channel, MIDI::Name::PatchPrimaryKey& key)
1663 MidiModel::PatchChanges::iterator i = _model->patch_change_lower_bound (time);
1664 while (i != _model->patch_changes().end() && (*i)->channel() != channel) {
1665 ++i;
1668 if (i != _model->patch_changes().end()) {
1669 key.msb = (*i)->bank_msb ();
1670 key.lsb = (*i)->bank_lsb ();
1671 key.program_number = (*i)->program ();
1672 } else {
1673 key.msb = key.lsb = key.program_number = 0;
1676 assert (key.is_sane());
1680 void
1681 MidiRegionView::change_patch_change (CanvasPatchChange& pc, const MIDI::Name::PatchPrimaryKey& new_patch)
1683 MidiModel::PatchChangeDiffCommand* c = _model->new_patch_change_diff_command (_("alter patch change"));
1685 if (pc.patch()->program() != new_patch.program_number) {
1686 c->change_program (pc.patch (), new_patch.program_number);
1689 int const new_bank = (new_patch.msb << 7) | new_patch.lsb;
1690 if (pc.patch()->bank() != new_bank) {
1691 c->change_bank (pc.patch (), new_bank);
1694 _model->apply_command (*trackview.session(), c);
1696 _patch_changes.clear ();
1697 display_patch_changes ();
1700 void
1701 MidiRegionView::change_patch_change (MidiModel::PatchChangePtr old_change, const Evoral::PatchChange<Evoral::MusicalTime> & new_change)
1703 MidiModel::PatchChangeDiffCommand* c = _model->new_patch_change_diff_command (_("alter patch change"));
1705 if (old_change->time() != new_change.time()) {
1706 c->change_time (old_change, new_change.time());
1709 if (old_change->channel() != new_change.channel()) {
1710 c->change_channel (old_change, new_change.channel());
1713 if (old_change->program() != new_change.program()) {
1714 c->change_program (old_change, new_change.program());
1717 if (old_change->bank() != new_change.bank()) {
1718 c->change_bank (old_change, new_change.bank());
1721 _model->apply_command (*trackview.session(), c);
1723 _patch_changes.clear ();
1724 display_patch_changes ();
1727 /** Add a patch change to the region.
1728 * @param t Time in frames relative to region position
1729 * @param patch Patch to add; time and channel are ignored (time is converted from t, and channel comes from
1730 * get_channel_for_add())
1732 void
1733 MidiRegionView::add_patch_change (framecnt_t t, Evoral::PatchChange<Evoral::MusicalTime> const & patch)
1735 MidiModel::PatchChangeDiffCommand* c = _model->new_patch_change_diff_command (_("add patch change"));
1736 c->add (MidiModel::PatchChangePtr (
1737 new Evoral::PatchChange<Evoral::MusicalTime> (
1738 frames_to_beats (t + midi_region()->start()), get_channel_for_add(), patch.program(), patch.bank()
1742 _model->apply_command (*trackview.session(), c);
1744 _patch_changes.clear ();
1745 display_patch_changes ();
1748 void
1749 MidiRegionView::move_patch_change (CanvasPatchChange& pc, Evoral::MusicalTime t)
1751 MidiModel::PatchChangeDiffCommand* c = _model->new_patch_change_diff_command (_("move patch change"));
1752 c->change_time (pc.patch (), t);
1753 _model->apply_command (*trackview.session(), c);
1755 _patch_changes.clear ();
1756 display_patch_changes ();
1759 void
1760 MidiRegionView::delete_patch_change (CanvasPatchChange* pc)
1762 MidiModel::PatchChangeDiffCommand* c = _model->new_patch_change_diff_command (_("delete patch change"));
1763 c->remove (pc->patch ());
1764 _model->apply_command (*trackview.session(), c);
1766 _patch_changes.clear ();
1767 display_patch_changes ();
1770 void
1771 MidiRegionView::previous_patch (CanvasPatchChange& patch)
1773 if (patch.patch()->program() < 127) {
1774 MIDI::Name::PatchPrimaryKey key;
1775 get_patch_key_at (patch.patch()->time(), patch.patch()->channel(), key);
1776 key.program_number++;
1777 change_patch_change (patch, key);
1781 void
1782 MidiRegionView::next_patch (CanvasPatchChange& patch)
1784 if (patch.patch()->program() > 0) {
1785 MIDI::Name::PatchPrimaryKey key;
1786 get_patch_key_at (patch.patch()->time(), patch.patch()->channel(), key);
1787 key.program_number--;
1788 change_patch_change (patch, key);
1792 void
1793 MidiRegionView::maybe_remove_deleted_note_from_selection (CanvasNoteEvent* cne)
1795 if (_selection.empty()) {
1796 return;
1799 if (_selection.erase (cne) > 0) {
1800 cerr << "Erased a CNE from selection\n";
1804 void
1805 MidiRegionView::delete_selection()
1807 if (_selection.empty()) {
1808 return;
1811 start_note_diff_command (_("delete selection"));
1813 for (Selection::iterator i = _selection.begin(); i != _selection.end(); ++i) {
1814 if ((*i)->selected()) {
1815 _note_diff_command->remove((*i)->note());
1819 _selection.clear();
1821 apply_diff ();
1824 void
1825 MidiRegionView::delete_note (boost::shared_ptr<NoteType> n)
1827 start_note_diff_command (_("delete note"));
1828 _note_diff_command->remove (n);
1829 apply_diff ();
1831 trackview.editor().hide_verbose_canvas_cursor ();
1834 void
1835 MidiRegionView::clear_selection_except(ArdourCanvas::CanvasNoteEvent* ev)
1837 for (Selection::iterator i = _selection.begin(); i != _selection.end(); ++i) {
1838 if ((*i)->selected() && (*i) != ev) {
1839 (*i)->set_selected(false);
1840 (*i)->hide_velocity();
1844 _selection.clear();
1847 void
1848 MidiRegionView::unique_select(ArdourCanvas::CanvasNoteEvent* ev)
1850 for (Selection::iterator i = _selection.begin(); i != _selection.end(); ) {
1851 if ((*i) != ev) {
1853 Selection::iterator tmp = i;
1854 ++tmp;
1856 (*i)->set_selected (false);
1857 _selection.erase (i);
1859 i = tmp;
1861 } else {
1862 ++i;
1866 /* don't bother with removing this regionview from the editor selection,
1867 since we're about to add another note, and thus put/keep this
1868 regionview in the editor selection.
1871 if (!ev->selected()) {
1872 add_to_selection (ev);
1876 void
1877 MidiRegionView::select_all_notes ()
1879 clear_selection ();
1881 for (Events::iterator i = _events.begin(); i != _events.end(); ++i) {
1882 add_to_selection (*i);
1886 void
1887 MidiRegionView::select_matching_notes (uint8_t notenum, uint16_t channel_mask, bool add, bool extend)
1889 uint8_t low_note = 127;
1890 uint8_t high_note = 0;
1891 MidiModel::Notes& notes (_model->notes());
1892 _optimization_iterator = _events.begin();
1894 if (!add) {
1895 clear_selection ();
1898 if (extend && _selection.empty()) {
1899 extend = false;
1902 if (extend) {
1904 /* scan existing selection to get note range */
1906 for (Selection::iterator i = _selection.begin(); i != _selection.end(); ++i) {
1907 if ((*i)->note()->note() < low_note) {
1908 low_note = (*i)->note()->note();
1910 if ((*i)->note()->note() > high_note) {
1911 high_note = (*i)->note()->note();
1915 low_note = min (low_note, notenum);
1916 high_note = max (high_note, notenum);
1919 no_sound_notes = true;
1921 for (MidiModel::Notes::iterator n = notes.begin(); n != notes.end(); ++n) {
1923 boost::shared_ptr<NoteType> note (*n);
1924 CanvasNoteEvent* cne;
1925 bool select = false;
1927 if (((1 << note->channel()) & channel_mask) != 0) {
1928 if (extend) {
1929 if ((note->note() >= low_note && note->note() <= high_note)) {
1930 select = true;
1932 } else if (note->note() == notenum) {
1933 select = true;
1937 if (select) {
1938 if ((cne = find_canvas_note (note)) != 0) {
1939 // extend is false because we've taken care of it,
1940 // since it extends by time range, not pitch.
1941 note_selected (cne, add, false);
1945 add = true; // we need to add all remaining matching notes, even if the passed in value was false (for "set")
1949 no_sound_notes = false;
1952 void
1953 MidiRegionView::toggle_matching_notes (uint8_t notenum, uint16_t channel_mask)
1955 MidiModel::Notes& notes (_model->notes());
1956 _optimization_iterator = _events.begin();
1958 for (MidiModel::Notes::iterator n = notes.begin(); n != notes.end(); ++n) {
1960 boost::shared_ptr<NoteType> note (*n);
1961 CanvasNoteEvent* cne;
1963 if (note->note() == notenum && (((0x0001 << note->channel()) & channel_mask) != 0)) {
1964 if ((cne = find_canvas_note (note)) != 0) {
1965 if (cne->selected()) {
1966 note_deselected (cne);
1967 } else {
1968 note_selected (cne, true, false);
1975 void
1976 MidiRegionView::note_selected(ArdourCanvas::CanvasNoteEvent* ev, bool add, bool extend)
1978 if (!add) {
1979 clear_selection_except(ev);
1982 if (!extend) {
1984 if (!ev->selected()) {
1985 add_to_selection (ev);
1988 } else {
1989 /* find end of latest note selected, select all between that and the start of "ev" */
1991 Evoral::MusicalTime earliest = Evoral::MaxMusicalTime;
1992 Evoral::MusicalTime latest = 0;
1994 for (Selection::iterator i = _selection.begin(); i != _selection.end(); ++i) {
1995 if ((*i)->note()->end_time() > latest) {
1996 latest = (*i)->note()->end_time();
1998 if ((*i)->note()->time() < earliest) {
1999 earliest = (*i)->note()->time();
2003 if (ev->note()->end_time() > latest) {
2004 latest = ev->note()->end_time();
2007 if (ev->note()->time() < earliest) {
2008 earliest = ev->note()->time();
2011 for (Events::iterator i = _events.begin(); i != _events.end(); ++i) {
2013 /* find notes entirely within OR spanning the earliest..latest range */
2015 if (((*i)->note()->time() >= earliest && (*i)->note()->end_time() <= latest) ||
2016 ((*i)->note()->time() <= earliest && (*i)->note()->end_time() >= latest)) {
2017 add_to_selection (*i);
2020 #if 0
2021 /* if events were guaranteed to be time sorted, we could do this.
2022 but as of sept 10th 2009, they no longer are.
2025 if ((*i)->note()->time() > latest) {
2026 break;
2028 #endif
2033 void
2034 MidiRegionView::note_deselected(ArdourCanvas::CanvasNoteEvent* ev)
2036 remove_from_selection (ev);
2039 void
2040 MidiRegionView::update_drag_selection(double x1, double x2, double y1, double y2)
2042 if (x1 > x2) {
2043 swap (x1, x2);
2046 if (y1 > y2) {
2047 swap (y1, y2);
2050 // TODO: Make this faster by storing the last updated selection rect, and only
2051 // adjusting things that are in the area that appears/disappeared.
2052 // We probably need a tree to be able to find events in O(log(n)) time.
2054 for (Events::iterator i = _events.begin(); i != _events.end(); ++i) {
2056 /* check if any corner of the note is inside the rect
2058 Notes:
2059 1) this is computing "touched by", not "contained by" the rect.
2060 2) this does not require that events be sorted in time.
2063 const double ix1 = (*i)->x1();
2064 const double ix2 = (*i)->x2();
2065 const double iy1 = (*i)->y1();
2066 const double iy2 = (*i)->y2();
2068 if ((ix1 >= x1 && ix1 <= x2 && iy1 >= y1 && iy1 <= y2) ||
2069 (ix1 >= x1 && ix1 <= x2 && iy2 >= y1 && iy2 <= y2) ||
2070 (ix2 >= x1 && ix2 <= x2 && iy1 >= y1 && iy1 <= y2) ||
2071 (ix2 >= x1 && ix2 <= x2 && iy2 >= y1 && iy2 <= y2)) {
2073 // Inside rectangle
2074 if (!(*i)->selected()) {
2075 add_to_selection (*i);
2077 } else if ((*i)->selected()) {
2078 // Not inside rectangle
2079 remove_from_selection (*i);
2084 void
2085 MidiRegionView::remove_from_selection (CanvasNoteEvent* ev)
2087 Selection::iterator i = _selection.find (ev);
2089 if (i != _selection.end()) {
2090 _selection.erase (i);
2093 ev->set_selected (false);
2094 ev->hide_velocity ();
2096 if (_selection.empty()) {
2097 PublicEditor& editor (trackview.editor());
2098 editor.get_selection().remove (this);
2102 void
2103 MidiRegionView::add_to_selection (CanvasNoteEvent* ev)
2105 bool add_mrv_selection = false;
2107 if (_selection.empty()) {
2108 add_mrv_selection = true;
2111 if (_selection.insert (ev).second) {
2112 ev->set_selected (true);
2113 play_midi_note ((ev)->note());
2116 if (add_mrv_selection) {
2117 PublicEditor& editor (trackview.editor());
2118 editor.get_selection().add (this);
2122 void
2123 MidiRegionView::move_selection(double dx, double dy, double cumulative_dy)
2125 typedef vector<boost::shared_ptr<NoteType> > PossibleChord;
2126 PossibleChord to_play;
2127 Evoral::MusicalTime earliest = Evoral::MaxMusicalTime;
2129 for (Selection::iterator i = _selection.begin(); i != _selection.end(); ++i) {
2130 if ((*i)->note()->time() < earliest) {
2131 earliest = (*i)->note()->time();
2135 for (Selection::iterator i = _selection.begin(); i != _selection.end(); ++i) {
2136 if (Evoral::musical_time_equal ((*i)->note()->time(), earliest)) {
2137 to_play.push_back ((*i)->note());
2139 (*i)->move_event(dx, dy);
2142 if (dy && !_selection.empty() && !no_sound_notes && trackview.editor().sound_notes()) {
2144 if (to_play.size() > 1) {
2146 PossibleChord shifted;
2148 for (PossibleChord::iterator n = to_play.begin(); n != to_play.end(); ++n) {
2149 boost::shared_ptr<NoteType> moved_note (new NoteType (**n));
2150 moved_note->set_note (moved_note->note() + cumulative_dy);
2151 shifted.push_back (moved_note);
2154 play_midi_chord (shifted);
2156 } else if (!to_play.empty()) {
2158 boost::shared_ptr<NoteType> moved_note (new NoteType (*to_play.front()));
2159 moved_note->set_note (moved_note->note() + cumulative_dy);
2160 play_midi_note (moved_note);
2165 void
2166 MidiRegionView::note_dropped(CanvasNoteEvent *, frameoffset_t dt, int8_t dnote)
2168 assert (!_selection.empty());
2170 uint8_t lowest_note_in_selection = 127;
2171 uint8_t highest_note_in_selection = 0;
2172 uint8_t highest_note_difference = 0;
2174 // find highest and lowest notes first
2176 for (Selection::iterator i = _selection.begin(); i != _selection.end(); ++i) {
2177 uint8_t pitch = (*i)->note()->note();
2178 lowest_note_in_selection = std::min(lowest_note_in_selection, pitch);
2179 highest_note_in_selection = std::max(highest_note_in_selection, pitch);
2183 cerr << "dnote: " << (int) dnote << endl;
2184 cerr << "lowest note (streamview): " << int(midi_stream_view()->lowest_note())
2185 << " highest note (streamview): " << int(midi_stream_view()->highest_note()) << endl;
2186 cerr << "lowest note (selection): " << int(lowest_note_in_selection) << " highest note(selection): "
2187 << int(highest_note_in_selection) << endl;
2188 cerr << "selection size: " << _selection.size() << endl;
2189 cerr << "Highest note in selection: " << (int) highest_note_in_selection << endl;
2192 // Make sure the note pitch does not exceed the MIDI standard range
2193 if (highest_note_in_selection + dnote > 127) {
2194 highest_note_difference = highest_note_in_selection - 127;
2197 start_note_diff_command (_("move notes"));
2199 for (Selection::iterator i = _selection.begin(); i != _selection.end() ; ++i) {
2201 Evoral::MusicalTime new_time = frames_to_beats (beats_to_frames ((*i)->note()->time()) + dt);
2203 if (new_time < 0) {
2204 continue;
2207 note_diff_add_change (*i, MidiModel::NoteDiffCommand::StartTime, new_time);
2209 uint8_t original_pitch = (*i)->note()->note();
2210 uint8_t new_pitch = original_pitch + dnote - highest_note_difference;
2212 // keep notes in standard midi range
2213 clamp_to_0_127(new_pitch);
2215 // keep original pitch if note is dragged outside valid midi range
2216 if ((original_pitch != 0 && new_pitch == 0)
2217 || (original_pitch != 127 && new_pitch == 127)) {
2218 new_pitch = original_pitch;
2221 lowest_note_in_selection = std::min(lowest_note_in_selection, new_pitch);
2222 highest_note_in_selection = std::max(highest_note_in_selection, new_pitch);
2224 note_diff_add_change (*i, MidiModel::NoteDiffCommand::NoteNumber, new_pitch);
2227 apply_diff();
2229 // care about notes being moved beyond the upper/lower bounds on the canvas
2230 if (lowest_note_in_selection < midi_stream_view()->lowest_note() ||
2231 highest_note_in_selection > midi_stream_view()->highest_note()) {
2232 midi_stream_view()->set_note_range(MidiStreamView::ContentsRange);
2236 framepos_t
2237 MidiRegionView::snap_pixel_to_frame(double x)
2239 PublicEditor& editor = trackview.editor();
2240 // x is region relative, convert it to global absolute frames
2241 framepos_t frame = editor.pixel_to_frame(x) + _region->position();
2242 editor.snap_to(frame);
2243 return frame - _region->position(); // convert back to region relative
2246 framepos_t
2247 MidiRegionView::snap_frame_to_frame(framepos_t x)
2249 PublicEditor& editor = trackview.editor();
2250 // x is region relative, convert it to global absolute frames
2251 framepos_t frame = x + _region->position();
2252 editor.snap_to(frame);
2253 return frame - _region->position(); // convert back to region relative
2256 double
2257 MidiRegionView::snap_to_pixel(double x)
2259 return (double) trackview.editor().frame_to_pixel(snap_pixel_to_frame(x));
2262 double
2263 MidiRegionView::get_position_pixels()
2265 framepos_t region_frame = get_position();
2266 return trackview.editor().frame_to_pixel(region_frame);
2269 double
2270 MidiRegionView::get_end_position_pixels()
2272 framepos_t frame = get_position() + get_duration ();
2273 return trackview.editor().frame_to_pixel(frame);
2276 framepos_t
2277 MidiRegionView::beats_to_frames(double beats) const
2279 return _time_converter.to(beats);
2282 double
2283 MidiRegionView::frames_to_beats(framepos_t frames) const
2285 return _time_converter.from(frames);
2288 void
2289 MidiRegionView::begin_resizing (bool /*at_front*/)
2291 _resize_data.clear();
2293 for (Selection::iterator i = _selection.begin(); i != _selection.end(); ++i) {
2294 CanvasNote *note = dynamic_cast<CanvasNote *> (*i);
2296 // only insert CanvasNotes into the map
2297 if (note) {
2298 NoteResizeData *resize_data = new NoteResizeData();
2299 resize_data->canvas_note = note;
2301 // create a new SimpleRect from the note which will be the resize preview
2302 SimpleRect *resize_rect = new SimpleRect(
2303 *_note_group, note->x1(), note->y1(), note->x2(), note->y2());
2305 // calculate the colors: get the color settings
2306 uint32_t fill_color = UINT_RGBA_CHANGE_A(
2307 ARDOUR_UI::config()->canvasvar_MidiNoteSelected.get(),
2308 128);
2310 // make the resize preview notes more transparent and bright
2311 fill_color = UINT_INTERPOLATE(fill_color, 0xFFFFFF40, 0.5);
2313 // calculate color based on note velocity
2314 resize_rect->property_fill_color_rgba() = UINT_INTERPOLATE(
2315 CanvasNoteEvent::meter_style_fill_color(note->note()->velocity(), note->selected()),
2316 fill_color,
2317 0.85);
2319 resize_rect->property_outline_color_rgba() = CanvasNoteEvent::calculate_outline(
2320 ARDOUR_UI::config()->canvasvar_MidiNoteSelected.get());
2322 resize_data->resize_rect = resize_rect;
2323 _resize_data.push_back(resize_data);
2328 /** Update resizing notes while user drags.
2329 * @param primary `primary' note for the drag; ie the one that is used as the reference in non-relative mode.
2330 * @param at_front which end of the note (true == note on, false == note off)
2331 * @param delta_x change in mouse position since the start of the drag
2332 * @param relative true if relative resizing is taking place, false if absolute resizing. This only makes
2333 * a difference when multiple notes are being resized; in relative mode, each note's length is changed by the
2334 * amount of the drag. In non-relative mode, all selected notes are set to have the same start or end point
2335 * as the \a primary note.
2337 void
2338 MidiRegionView::update_resizing (ArdourCanvas::CanvasNoteEvent* primary, bool at_front, double delta_x, bool relative)
2340 bool cursor_set = false;
2342 for (std::vector<NoteResizeData *>::iterator i = _resize_data.begin(); i != _resize_data.end(); ++i) {
2343 SimpleRect* resize_rect = (*i)->resize_rect;
2344 CanvasNote* canvas_note = (*i)->canvas_note;
2345 double current_x;
2347 if (at_front) {
2348 if (relative) {
2349 current_x = canvas_note->x1() + delta_x;
2350 } else {
2351 current_x = primary->x1() + delta_x;
2353 } else {
2354 if (relative) {
2355 current_x = canvas_note->x2() + delta_x;
2356 } else {
2357 current_x = primary->x2() + delta_x;
2361 if (at_front) {
2362 resize_rect->property_x1() = snap_to_pixel(current_x);
2363 resize_rect->property_x2() = canvas_note->x2();
2364 } else {
2365 resize_rect->property_x2() = snap_to_pixel(current_x);
2366 resize_rect->property_x1() = canvas_note->x1();
2369 if (!cursor_set) {
2370 double beats;
2372 beats = snap_pixel_to_frame (current_x);
2373 beats = frames_to_beats (beats);
2375 double len;
2377 if (at_front) {
2378 if (beats < canvas_note->note()->end_time()) {
2379 len = canvas_note->note()->time() - beats;
2380 len += canvas_note->note()->length();
2381 } else {
2382 len = 0;
2384 } else {
2385 if (beats >= canvas_note->note()->time()) {
2386 len = beats - canvas_note->note()->time();
2387 } else {
2388 len = 0;
2392 char buf[16];
2393 snprintf (buf, sizeof (buf), "%.3g beats", len);
2394 trackview.editor().show_verbose_canvas_cursor_with (buf);
2396 cursor_set = true;
2403 /** Finish resizing notes when the user releases the mouse button.
2404 * Parameters the same as for \a update_resizing().
2406 void
2407 MidiRegionView::commit_resizing (ArdourCanvas::CanvasNoteEvent* primary, bool at_front, double delta_x, bool relative)
2409 start_note_diff_command (_("resize notes"));
2411 for (std::vector<NoteResizeData *>::iterator i = _resize_data.begin(); i != _resize_data.end(); ++i) {
2412 CanvasNote* canvas_note = (*i)->canvas_note;
2413 SimpleRect* resize_rect = (*i)->resize_rect;
2414 double current_x;
2416 if (at_front) {
2417 if (relative) {
2418 current_x = canvas_note->x1() + delta_x;
2419 } else {
2420 current_x = primary->x1() + delta_x;
2422 } else {
2423 if (relative) {
2424 current_x = canvas_note->x2() + delta_x;
2425 } else {
2426 current_x = primary->x2() + delta_x;
2430 current_x = snap_pixel_to_frame (current_x);
2431 current_x = frames_to_beats (current_x);
2433 if (at_front && current_x < canvas_note->note()->end_time()) {
2434 note_diff_add_change (canvas_note, MidiModel::NoteDiffCommand::StartTime, current_x);
2436 double len = canvas_note->note()->time() - current_x;
2437 len += canvas_note->note()->length();
2439 if (len > 0) {
2440 /* XXX convert to beats */
2441 note_diff_add_change (canvas_note, MidiModel::NoteDiffCommand::Length, len);
2445 if (!at_front) {
2446 double len = current_x - canvas_note->note()->time();
2448 if (len > 0) {
2449 /* XXX convert to beats */
2450 note_diff_add_change (canvas_note, MidiModel::NoteDiffCommand::Length, len);
2454 delete resize_rect;
2455 delete (*i);
2458 _resize_data.clear();
2459 apply_diff();
2462 void
2463 MidiRegionView::change_note_channel (CanvasNoteEvent* event, int8_t channel)
2465 note_diff_add_change (event, MidiModel::NoteDiffCommand::Channel, (uint8_t) channel);
2468 void
2469 MidiRegionView::change_note_velocity(CanvasNoteEvent* event, int8_t velocity, bool relative)
2471 uint8_t new_velocity;
2473 if (relative) {
2474 new_velocity = event->note()->velocity() + velocity;
2475 clamp_to_0_127(new_velocity);
2476 } else {
2477 new_velocity = velocity;
2480 event->set_selected (event->selected()); // change color
2482 note_diff_add_change (event, MidiModel::NoteDiffCommand::Velocity, new_velocity);
2485 void
2486 MidiRegionView::change_note_note (CanvasNoteEvent* event, int8_t note, bool relative)
2488 uint8_t new_note;
2490 if (relative) {
2491 new_note = event->note()->note() + note;
2492 } else {
2493 new_note = note;
2496 clamp_to_0_127 (new_note);
2497 note_diff_add_change (event, MidiModel::NoteDiffCommand::NoteNumber, new_note);
2500 void
2501 MidiRegionView::trim_note (CanvasNoteEvent* event, Evoral::MusicalTime front_delta, Evoral::MusicalTime end_delta)
2503 bool change_start = false;
2504 bool change_length = false;
2505 Evoral::MusicalTime new_start = 0;
2506 Evoral::MusicalTime new_length = 0;
2508 /* NOTE: the semantics of the two delta arguments are slightly subtle:
2510 front_delta: if positive - move the start of the note later in time (shortening it)
2511 if negative - move the start of the note earlier in time (lengthening it)
2513 end_delta: if positive - move the end of the note later in time (lengthening it)
2514 if negative - move the end of the note earlier in time (shortening it)
2517 if (front_delta) {
2518 if (front_delta < 0) {
2520 if (event->note()->time() < -front_delta) {
2521 new_start = 0;
2522 } else {
2523 new_start = event->note()->time() + front_delta; // moves earlier
2526 /* start moved toward zero, so move the end point out to where it used to be.
2527 Note that front_delta is negative, so this increases the length.
2530 new_length = event->note()->length() - front_delta;
2531 change_start = true;
2532 change_length = true;
2534 } else {
2536 Evoral::MusicalTime new_pos = event->note()->time() + front_delta;
2538 if (new_pos < event->note()->end_time()) {
2539 new_start = event->note()->time() + front_delta;
2540 /* start moved toward the end, so move the end point back to where it used to be */
2541 new_length = event->note()->length() - front_delta;
2542 change_start = true;
2543 change_length = true;
2549 if (end_delta) {
2550 bool can_change = true;
2551 if (end_delta < 0) {
2552 if (event->note()->length() < -end_delta) {
2553 can_change = false;
2557 if (can_change) {
2558 new_length = event->note()->length() + end_delta;
2559 change_length = true;
2563 if (change_start) {
2564 note_diff_add_change (event, MidiModel::NoteDiffCommand::StartTime, new_start);
2567 if (change_length) {
2568 note_diff_add_change (event, MidiModel::NoteDiffCommand::Length, new_length);
2572 void
2573 MidiRegionView::change_note_time (CanvasNoteEvent* event, Evoral::MusicalTime delta, bool relative)
2575 Evoral::MusicalTime new_time;
2577 if (relative) {
2578 if (delta < 0.0) {
2579 if (event->note()->time() < -delta) {
2580 new_time = 0;
2581 } else {
2582 new_time = event->note()->time() + delta;
2584 } else {
2585 new_time = event->note()->time() + delta;
2587 } else {
2588 new_time = delta;
2591 note_diff_add_change (event, MidiModel::NoteDiffCommand::StartTime, new_time);
2594 void
2595 MidiRegionView::change_note_length (CanvasNoteEvent* event, Evoral::MusicalTime t)
2597 note_diff_add_change (event, MidiModel::NoteDiffCommand::Length, t);
2600 void
2601 MidiRegionView::change_velocities (bool up, bool fine, bool allow_smush)
2603 int8_t delta;
2605 if (_selection.empty()) {
2606 return;
2609 if (fine) {
2610 delta = 1;
2611 } else {
2612 delta = 10;
2615 if (!up) {
2616 delta = -delta;
2619 if (!allow_smush) {
2620 for (Selection::iterator i = _selection.begin(); i != _selection.end(); ++i) {
2621 if ((*i)->note()->velocity() + delta == 0 || (*i)->note()->velocity() + delta == 127) {
2622 return;
2627 start_note_diff_command (_("change velocities"));
2629 for (Selection::iterator i = _selection.begin(); i != _selection.end();) {
2630 Selection::iterator next = i;
2631 ++next;
2632 change_note_velocity (*i, delta, true);
2633 i = next;
2636 apply_diff();
2638 if (!_selection.empty()) {
2639 char buf[24];
2640 snprintf (buf, sizeof (buf), "Vel %d",
2641 (int) (*_selection.begin())->note()->velocity());
2642 trackview.editor().show_verbose_canvas_cursor_with (buf, 10, 10);
2647 void
2648 MidiRegionView::transpose (bool up, bool fine, bool allow_smush)
2650 if (_selection.empty()) {
2651 return;
2654 int8_t delta;
2656 if (fine) {
2657 delta = 1;
2658 } else {
2659 delta = 12;
2662 if (!up) {
2663 delta = -delta;
2666 if (!allow_smush) {
2667 for (Selection::iterator i = _selection.begin(); i != _selection.end(); ++i) {
2668 if (!up) {
2669 if ((int8_t) (*i)->note()->note() + delta <= 0) {
2670 return;
2672 } else {
2673 if ((int8_t) (*i)->note()->note() + delta > 127) {
2674 return;
2680 start_note_diff_command (_("transpose"));
2682 for (Selection::iterator i = _selection.begin(); i != _selection.end(); ) {
2683 Selection::iterator next = i;
2684 ++next;
2685 change_note_note (*i, delta, true);
2686 i = next;
2689 apply_diff ();
2692 void
2693 MidiRegionView::change_note_lengths (bool fine, bool shorter, Evoral::MusicalTime delta, bool start, bool end)
2695 if (delta == 0.0) {
2696 if (fine) {
2697 delta = 1.0/128.0;
2698 } else {
2699 /* grab the current grid distance */
2700 bool success;
2701 delta = trackview.editor().get_grid_type_as_beats (success, _region->position());
2702 if (!success) {
2703 /* XXX cannot get grid type as beats ... should always be possible ... FIX ME */
2704 cerr << "Grid type not available as beats - TO BE FIXED\n";
2705 return;
2710 if (shorter) {
2711 delta = -delta;
2714 start_note_diff_command (_("change note lengths"));
2716 for (Selection::iterator i = _selection.begin(); i != _selection.end(); ) {
2717 Selection::iterator next = i;
2718 ++next;
2720 /* note the negation of the delta for start */
2722 trim_note (*i, (start ? -delta : 0), (end ? delta : 0));
2723 i = next;
2726 apply_diff ();
2730 void
2731 MidiRegionView::nudge_notes (bool forward)
2733 if (_selection.empty()) {
2734 return;
2737 /* pick a note as the point along the timeline to get the nudge distance.
2738 its not necessarily the earliest note, so we may want to pull the notes out
2739 into a vector and sort before using the first one.
2742 framepos_t ref_point = _region->position() + beats_to_frames ((*(_selection.begin()))->note()->time());
2743 framepos_t unused;
2744 framepos_t distance;
2746 if (trackview.editor().snap_mode() == Editing::SnapOff) {
2748 /* grid is off - use nudge distance */
2750 distance = trackview.editor().get_nudge_distance (ref_point, unused);
2752 } else {
2754 /* use grid */
2756 framepos_t next_pos = ref_point;
2758 if (forward) {
2759 if (max_framepos - 1 < next_pos) {
2760 next_pos += 1;
2762 } else {
2763 if (next_pos == 0) {
2764 return;
2766 next_pos -= 1;
2769 trackview.editor().snap_to (next_pos, (forward ? 1 : -1), false);
2770 distance = ref_point - next_pos;
2773 if (distance == 0) {
2774 return;
2777 Evoral::MusicalTime delta = frames_to_beats (fabs (distance));
2779 if (!forward) {
2780 delta = -delta;
2783 start_note_diff_command (_("nudge"));
2785 for (Selection::iterator i = _selection.begin(); i != _selection.end(); ) {
2786 Selection::iterator next = i;
2787 ++next;
2788 change_note_time (*i, delta, true);
2789 i = next;
2792 apply_diff ();
2795 void
2796 MidiRegionView::change_channel(uint8_t channel)
2798 start_note_diff_command(_("change channel"));
2799 for (Selection::iterator i = _selection.begin(); i != _selection.end(); ++i) {
2800 note_diff_add_change (*i, MidiModel::NoteDiffCommand::Channel, channel);
2803 apply_diff();
2807 void
2808 MidiRegionView::note_entered(ArdourCanvas::CanvasNoteEvent* ev)
2810 Editor* editor = dynamic_cast<Editor*>(&trackview.editor());
2812 pre_enter_cursor = editor->get_canvas_cursor ();
2814 if (_mouse_state == SelectTouchDragging) {
2815 note_selected (ev, true);
2818 show_verbose_canvas_cursor (ev->note ());
2821 void
2822 MidiRegionView::note_left (ArdourCanvas::CanvasNoteEvent*)
2824 Editor* editor = dynamic_cast<Editor*>(&trackview.editor());
2826 for (Selection::iterator i = _selection.begin(); i != _selection.end(); ++i) {
2827 (*i)->hide_velocity ();
2830 editor->hide_verbose_canvas_cursor ();
2832 if (pre_enter_cursor) {
2833 editor->set_canvas_cursor (pre_enter_cursor);
2834 pre_enter_cursor = 0;
2838 void
2839 MidiRegionView::patch_entered (ArdourCanvas::CanvasPatchChange* ev)
2841 ostringstream s;
2842 s << ((int) ev->patch()->program() + 1) << ":" << (ev->patch()->bank() + 1);
2843 trackview.editor().show_verbose_canvas_cursor_with (s.str().c_str(), 10, 20);
2846 void
2847 MidiRegionView::patch_left (ArdourCanvas::CanvasPatchChange *)
2849 trackview.editor().hide_verbose_canvas_cursor ();
2852 void
2853 MidiRegionView::note_mouse_position (float x_fraction, float /*y_fraction*/, bool can_set_cursor)
2855 Editor* editor = dynamic_cast<Editor*>(&trackview.editor());
2857 if (x_fraction > 0.0 && x_fraction < 0.25) {
2858 editor->set_canvas_cursor (editor->cursors()->left_side_trim);
2859 } else if (x_fraction >= 0.75 && x_fraction < 1.0) {
2860 editor->set_canvas_cursor (editor->cursors()->right_side_trim);
2861 } else {
2862 if (pre_enter_cursor && can_set_cursor) {
2863 editor->set_canvas_cursor (pre_enter_cursor);
2868 void
2869 MidiRegionView::set_frame_color()
2871 if (frame) {
2872 if (_selected && should_show_selection) {
2873 frame->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_SelectedFrameBase.get();
2874 } else {
2875 frame->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_MidiFrameBase.get();
2880 void
2881 MidiRegionView::midi_channel_mode_changed(ChannelMode mode, uint16_t mask)
2883 switch (mode) {
2884 case AllChannels:
2885 case FilterChannels:
2886 _force_channel = -1;
2887 break;
2888 case ForceChannel:
2889 _force_channel = mask;
2890 mask = 0xFFFF; // Show all notes as active (below)
2893 // Update notes for selection
2894 for (Events::iterator i = _events.begin(); i != _events.end(); ++i) {
2895 (*i)->on_channel_selection_change(mask);
2898 _last_channel_selection = mask;
2900 _patch_changes.clear ();
2901 display_patch_changes ();
2904 void
2905 MidiRegionView::midi_patch_settings_changed(std::string model, std::string custom_device_mode)
2907 _model_name = model;
2908 _custom_device_mode = custom_device_mode;
2909 redisplay_model();
2912 void
2913 MidiRegionView::cut_copy_clear (Editing::CutCopyOp op)
2915 if (_selection.empty()) {
2916 return;
2919 PublicEditor& editor (trackview.editor());
2921 switch (op) {
2922 case Cut:
2923 case Copy:
2924 editor.get_cut_buffer().add (selection_as_cut_buffer());
2925 break;
2926 default:
2927 break;
2930 if (op != Copy) {
2932 start_note_diff_command();
2934 for (Selection::iterator i = _selection.begin(); i != _selection.end(); ++i) {
2935 switch (op) {
2936 case Copy:
2937 break;
2938 case Cut:
2939 case Clear:
2940 note_diff_remove_note (*i);
2941 break;
2945 apply_diff();
2949 MidiCutBuffer*
2950 MidiRegionView::selection_as_cut_buffer () const
2952 Notes notes;
2954 for (Selection::iterator i = _selection.begin(); i != _selection.end(); ++i) {
2955 NoteType* n = (*i)->note().get();
2956 notes.insert (boost::shared_ptr<NoteType> (new NoteType (*n)));
2959 MidiCutBuffer* cb = new MidiCutBuffer (trackview.session());
2960 cb->set (notes);
2962 return cb;
2965 void
2966 MidiRegionView::paste (framepos_t pos, float times, const MidiCutBuffer& mcb)
2968 if (mcb.empty()) {
2969 return;
2972 start_note_diff_command (_("paste"));
2974 Evoral::MusicalTime beat_delta;
2975 Evoral::MusicalTime paste_pos_beats;
2976 Evoral::MusicalTime duration;
2977 Evoral::MusicalTime end_point = 0;
2979 duration = (*mcb.notes().rbegin())->end_time() - (*mcb.notes().begin())->time();
2980 paste_pos_beats = frames_to_beats (pos - _region->position());
2981 beat_delta = (*mcb.notes().begin())->time() - paste_pos_beats;
2982 paste_pos_beats = 0;
2984 clear_selection ();
2986 for (int n = 0; n < (int) times; ++n) {
2988 for (Notes::const_iterator i = mcb.notes().begin(); i != mcb.notes().end(); ++i) {
2990 boost::shared_ptr<NoteType> copied_note (new NoteType (*((*i).get())));
2991 copied_note->set_time (paste_pos_beats + copied_note->time() - beat_delta);
2993 /* make all newly added notes selected */
2995 note_diff_add_note (copied_note, true);
2996 end_point = copied_note->end_time();
2999 paste_pos_beats += duration;
3002 /* if we pasted past the current end of the region, extend the region */
3004 framepos_t end_frame = _region->position() + beats_to_frames (end_point);
3005 framepos_t region_end = _region->position() + _region->length() - 1;
3007 if (end_frame > region_end) {
3009 trackview.session()->begin_reversible_command (_("paste"));
3011 _region->clear_changes ();
3012 _region->set_length (end_frame, this);
3013 trackview.session()->add_command (new StatefulDiffCommand (_region));
3016 apply_diff ();
3019 struct EventNoteTimeEarlyFirstComparator {
3020 bool operator() (CanvasNoteEvent* a, CanvasNoteEvent* b) {
3021 return a->note()->time() < b->note()->time();
3025 void
3026 MidiRegionView::time_sort_events ()
3028 if (!_sort_needed) {
3029 return;
3032 EventNoteTimeEarlyFirstComparator cmp;
3033 _events.sort (cmp);
3035 _sort_needed = false;
3038 void
3039 MidiRegionView::goto_next_note ()
3041 // framepos_t pos = -1;
3042 bool use_next = false;
3044 if (_events.back()->selected()) {
3045 return;
3048 time_sort_events ();
3050 for (Events::iterator i = _events.begin(); i != _events.end(); ++i) {
3051 if ((*i)->selected()) {
3052 use_next = true;
3053 continue;
3054 } else if (use_next) {
3055 unique_select (*i);
3056 // pos = _region->position() + beats_to_frames ((*i)->note()->time());
3057 return;
3061 /* use the first one */
3063 unique_select (_events.front());
3067 void
3068 MidiRegionView::goto_previous_note ()
3070 // framepos_t pos = -1;
3071 bool use_next = false;
3073 if (_events.front()->selected()) {
3074 return;
3077 time_sort_events ();
3079 for (Events::reverse_iterator i = _events.rbegin(); i != _events.rend(); ++i) {
3080 if ((*i)->selected()) {
3081 use_next = true;
3082 continue;
3083 } else if (use_next) {
3084 unique_select (*i);
3085 // pos = _region->position() + beats_to_frames ((*i)->note()->time());
3086 return;
3090 /* use the last one */
3092 unique_select (*(_events.rbegin()));
3095 void
3096 MidiRegionView::selection_as_notelist (Notes& selected, bool allow_all_if_none_selected)
3098 bool had_selected = false;
3100 time_sort_events ();
3102 for (Events::iterator i = _events.begin(); i != _events.end(); ++i) {
3103 if ((*i)->selected()) {
3104 selected.insert ((*i)->note());
3105 had_selected = true;
3109 if (allow_all_if_none_selected && !had_selected) {
3110 for (Events::iterator i = _events.begin(); i != _events.end(); ++i) {
3111 selected.insert ((*i)->note());
3116 void
3117 MidiRegionView::update_ghost_note (double x, double y)
3119 _last_ghost_x = x;
3120 _last_ghost_y = y;
3122 _note_group->w2i (x, y);
3123 framepos_t f = trackview.editor().pixel_to_frame (x) + _region->position ();
3124 trackview.editor().snap_to (f);
3125 f -= _region->position ();
3127 bool success;
3128 Evoral::MusicalTime beats = trackview.editor().get_grid_type_as_beats (success, f);
3130 if (!success) {
3131 beats = 1;
3134 double length = frames_to_beats (snap_frame_to_frame (f + beats_to_frames (beats)) - f);
3136 _ghost_note->note()->set_time (frames_to_beats (f + _region->start()));
3137 _ghost_note->note()->set_length (length);
3138 _ghost_note->note()->set_note (midi_stream_view()->y_to_note (y));
3140 update_note (_ghost_note);
3142 show_verbose_canvas_cursor (_ghost_note->note ());
3145 void
3146 MidiRegionView::create_ghost_note (double x, double y)
3148 delete _ghost_note;
3149 _ghost_note = 0;
3151 boost::shared_ptr<NoteType> g (new NoteType);
3152 _ghost_note = new NoEventCanvasNote (*this, *_note_group, g);
3153 update_ghost_note (x, y);
3154 _ghost_note->show ();
3156 _last_ghost_x = x;
3157 _last_ghost_y = y;
3159 show_verbose_canvas_cursor (_ghost_note->note ());
3162 void
3163 MidiRegionView::snap_changed ()
3165 if (!_ghost_note) {
3166 return;
3169 create_ghost_note (_last_ghost_x, _last_ghost_y);
3172 void
3173 MidiRegionView::show_verbose_canvas_cursor (boost::shared_ptr<NoteType> n) const
3175 char buf[24];
3176 snprintf (buf, sizeof (buf), "%s (%d)\nVel %d",
3177 Evoral::midi_note_name (n->note()).c_str(),
3178 (int) n->note (),
3179 (int) n->velocity());
3180 trackview.editor().show_verbose_canvas_cursor_with (buf, 10, 20);
3183 void
3184 MidiRegionView::drop_down_keys ()
3186 _mouse_state = None;
3189 void
3190 MidiRegionView::maybe_select_by_position (GdkEventButton* ev, double /*x*/, double y)
3192 double note = midi_stream_view()->y_to_note(y);
3193 Events e;
3194 MidiTimeAxisView* const mtv = dynamic_cast<MidiTimeAxisView*>(&trackview);
3196 uint16_t chn_mask = mtv->channel_selector().get_selected_channels();
3198 if (Keyboard::modifier_state_equals (ev->state, Keyboard::TertiaryModifier)) {
3199 get_events (e, Evoral::Sequence<Evoral::MusicalTime>::PitchGreaterThanOrEqual, (uint8_t) floor (note), chn_mask);
3200 } else if (Keyboard::modifier_state_equals (ev->state, Keyboard::PrimaryModifier)) {
3201 get_events (e, Evoral::Sequence<Evoral::MusicalTime>::PitchLessThanOrEqual, (uint8_t) floor (note), chn_mask);
3202 } else {
3203 return;
3206 bool add_mrv_selection = false;
3208 if (_selection.empty()) {
3209 add_mrv_selection = true;
3212 for (Events::iterator i = e.begin(); i != e.end(); ++i) {
3213 if (_selection.insert (*i).second) {
3214 (*i)->set_selected (true);
3218 if (add_mrv_selection) {
3219 PublicEditor& editor (trackview.editor());
3220 editor.get_selection().add (this);
3224 void
3225 MidiRegionView::color_handler ()
3227 RegionView::color_handler ();
3229 for (Events::iterator i = _events.begin(); i != _events.end(); ++i) {
3230 (*i)->set_selected ((*i)->selected()); // will change color
3233 /* XXX probably more to do here */
3236 void
3237 MidiRegionView::enable_display (bool yn)
3239 RegionView::enable_display (yn);
3240 if (yn) {
3241 redisplay_model ();
3245 void
3246 MidiRegionView::show_step_edit_cursor (Evoral::MusicalTime pos)
3248 if (_step_edit_cursor == 0) {
3249 ArdourCanvas::Group* const group = (ArdourCanvas::Group*)get_canvas_group();
3251 _step_edit_cursor = new ArdourCanvas::SimpleRect (*group);
3252 _step_edit_cursor->property_y1() = 0;
3253 _step_edit_cursor->property_y2() = midi_stream_view()->contents_height();
3254 _step_edit_cursor->property_fill_color_rgba() = RGBA_TO_UINT (45,0,0,90);
3255 _step_edit_cursor->property_outline_color_rgba() = RGBA_TO_UINT (85,0,0,90);
3258 move_step_edit_cursor (pos);
3259 _step_edit_cursor->show ();
3262 void
3263 MidiRegionView::move_step_edit_cursor (Evoral::MusicalTime pos)
3265 _step_edit_cursor_position = pos;
3267 if (_step_edit_cursor) {
3268 double pixel = trackview.editor().frame_to_pixel (beats_to_frames (pos));
3269 _step_edit_cursor->property_x1() = pixel;
3270 set_step_edit_cursor_width (_step_edit_cursor_width);
3274 void
3275 MidiRegionView::hide_step_edit_cursor ()
3277 if (_step_edit_cursor) {
3278 _step_edit_cursor->hide ();
3282 void
3283 MidiRegionView::set_step_edit_cursor_width (Evoral::MusicalTime beats)
3285 _step_edit_cursor_width = beats;
3287 if (_step_edit_cursor) {
3288 _step_edit_cursor->property_x2() = _step_edit_cursor->property_x1() + trackview.editor().frame_to_pixel (beats_to_frames (beats));
3292 /** Called when a diskstream on our track has received some data. Update the view, if applicable.
3293 * @param buf Data that has been recorded.
3294 * @param w Source that this data will end up in.
3296 void
3297 MidiRegionView::data_recorded (boost::shared_ptr<MidiBuffer> buf, boost::weak_ptr<MidiSource> w)
3299 if (!_active_notes) {
3300 /* we aren't actively being recorded to */
3301 return;
3304 boost::shared_ptr<MidiSource> src = w.lock ();
3305 if (!src || src != midi_region()->midi_source()) {
3306 /* recorded data was not destined for our source */
3307 return;
3310 MidiTimeAxisView* mtv = dynamic_cast<MidiTimeAxisView*> (&trackview);
3311 BeatsFramesConverter converter (trackview.session()->tempo_map(), mtv->midi_track()->get_capture_start_frame (0));
3313 framepos_t back = max_framepos;
3315 for (MidiBuffer::iterator i = buf->begin(); i != buf->end(); ++i) {
3316 Evoral::MIDIEvent<MidiBuffer::TimeType> const ev (*i, false);
3317 assert (ev.buffer ());
3319 Evoral::MusicalTime const time_beats = converter.from (ev.time () - converter.origin_b ());
3321 if (ev.type() == MIDI_CMD_NOTE_ON) {
3323 boost::shared_ptr<Evoral::Note<Evoral::MusicalTime> > note (
3324 new Evoral::Note<Evoral::MusicalTime> (ev.channel(), time_beats, 0, ev.note(), ev.velocity())
3327 add_note (note, true);
3329 /* fix up our note range */
3330 if (ev.note() < _current_range_min) {
3331 midi_stream_view()->apply_note_range (ev.note(), _current_range_max, true);
3332 } else if (ev.note() > _current_range_max) {
3333 midi_stream_view()->apply_note_range (_current_range_min, ev.note(), true);
3336 } else if (ev.type() == MIDI_CMD_NOTE_OFF) {
3337 resolve_note (ev.note (), time_beats);
3340 back = ev.time ();
3343 midi_stream_view()->check_record_layers (region(), back);
3346 void
3347 MidiRegionView::trim_front_starting ()
3349 /* Reparent the note group to the region view's parent, so that it doesn't change
3350 when the region view is trimmed.
3352 _temporary_note_group = new ArdourCanvas::Group (*group->property_parent ());
3353 _temporary_note_group->move (group->property_x(), group->property_y());
3354 _note_group->reparent (*_temporary_note_group);
3357 void
3358 MidiRegionView::trim_front_ending ()
3360 _note_group->reparent (*group);
3361 delete _temporary_note_group;
3362 _temporary_note_group = 0;
3364 if (_region->start() < 0) {
3365 /* Trim drag made start time -ve; fix this */
3366 midi_region()->fix_negative_start ();
3370 /** @return channel (counted from 0) to add an event to, based on the current setting
3371 * of the channel selector.
3373 uint8_t
3374 MidiRegionView::get_channel_for_add () const
3376 MidiTimeAxisView* const mtv = dynamic_cast<MidiTimeAxisView*>(&trackview);
3377 uint16_t const chn_mask = mtv->channel_selector().get_selected_channels();
3378 int chn_cnt = 0;
3379 uint8_t channel = 0;
3381 /* pick the highest selected channel, unless all channels are selected,
3382 which is interpreted to mean channel 1 (zero)
3385 for (uint16_t i = 0; i < 16; ++i) {
3386 if (chn_mask & (1<<i)) {
3387 channel = i;
3388 chn_cnt++;
3392 if (chn_cnt == 16) {
3393 channel = 0;
3396 return channel;
3399 void
3400 MidiRegionView::edit_patch_change (ArdourCanvas::CanvasPatchChange* pc)
3402 PatchChangeDialog d (&_time_converter, trackview.session(), *pc->patch (), Gtk::Stock::APPLY);
3403 if (d.run () != Gtk::RESPONSE_ACCEPT) {
3404 return;
3407 change_patch_change (pc->patch(), d.patch ());