Zoom session when the mouse pointer is moved up and down during a playhead drag.
[ardour2.git] / gtk2_ardour / midi_region_view.cc
blob3f0453e3e1af18cef7122912df32a162e2fe284c
1 /*
2 Copyright (C) 2001-2011 Paul Davis
3 Author: David 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 "debug.h"
53 #include "editor.h"
54 #include "ghostregion.h"
55 #include "gui_thread.h"
56 #include "keyboard.h"
57 #include "midi_cut_buffer.h"
58 #include "midi_list_editor.h"
59 #include "midi_region_view.h"
60 #include "midi_streamview.h"
61 #include "midi_time_axis.h"
62 #include "midi_util.h"
63 #include "note_player.h"
64 #include "public_editor.h"
65 #include "rgb_macros.h"
66 #include "selection.h"
67 #include "simpleline.h"
68 #include "streamview.h"
69 #include "utils.h"
70 #include "mouse_cursors.h"
71 #include "patch_change_dialog.h"
72 #include "verbose_cursor.h"
74 #include "i18n.h"
76 using namespace ARDOUR;
77 using namespace PBD;
78 using namespace Editing;
79 using namespace ArdourCanvas;
80 using Gtkmm2ext::Keyboard;
82 MidiRegionView::MidiRegionView (ArdourCanvas::Group *parent, RouteTimeAxisView &tv,
83 boost::shared_ptr<MidiRegion> r, double spu, Gdk::Color const & basic_color)
84 : RegionView (parent, tv, r, spu, basic_color)
85 , _force_channel(-1)
86 , _last_channel_selection(0xFFFF)
87 , _current_range_min(0)
88 , _current_range_max(0)
89 , _model_name(string())
90 , _custom_device_mode(string())
91 , _active_notes(0)
92 , _note_group(new ArdourCanvas::Group(*group))
93 , _note_diff_command (0)
94 , _ghost_note(0)
95 , _drag_rect (0)
96 , _step_edit_cursor (0)
97 , _step_edit_cursor_width (1.0)
98 , _step_edit_cursor_position (0.0)
99 , _channel_selection_scoped_note (0)
100 , _temporary_note_group (0)
101 , _mouse_state(None)
102 , _pressed_button(0)
103 , _sort_needed (true)
104 , _optimization_iterator (_events.end())
105 , _list_editor (0)
106 , _no_sound_notes (false)
107 , _last_event_x (0)
108 , _last_event_y (0)
109 , _pre_enter_cursor (0)
111 _note_group->raise_to_top();
112 PublicEditor::DropDownKeys.connect (sigc::mem_fun (*this, &MidiRegionView::drop_down_keys));
114 connect_to_diskstream ();
117 MidiRegionView::MidiRegionView (ArdourCanvas::Group *parent, RouteTimeAxisView &tv,
118 boost::shared_ptr<MidiRegion> r, double spu, Gdk::Color& basic_color,
119 TimeAxisViewItem::Visibility visibility)
120 : RegionView (parent, tv, r, spu, basic_color, false, visibility)
121 , _force_channel(-1)
122 , _last_channel_selection(0xFFFF)
123 , _model_name(string())
124 , _custom_device_mode(string())
125 , _active_notes(0)
126 , _note_group(new ArdourCanvas::Group(*parent))
127 , _note_diff_command (0)
128 , _ghost_note(0)
129 , _drag_rect (0)
130 , _step_edit_cursor (0)
131 , _step_edit_cursor_width (1.0)
132 , _step_edit_cursor_position (0.0)
133 , _channel_selection_scoped_note (0)
134 , _temporary_note_group (0)
135 , _mouse_state(None)
136 , _pressed_button(0)
137 , _sort_needed (true)
138 , _optimization_iterator (_events.end())
139 , _list_editor (0)
140 , _no_sound_notes (false)
141 , _last_event_x (0)
142 , _last_event_y (0)
144 _note_group->raise_to_top();
145 PublicEditor::DropDownKeys.connect (sigc::mem_fun (*this, &MidiRegionView::drop_down_keys));
147 connect_to_diskstream ();
150 MidiRegionView::MidiRegionView (const MidiRegionView& other)
151 : sigc::trackable(other)
152 , RegionView (other)
153 , _force_channel(-1)
154 , _last_channel_selection(0xFFFF)
155 , _model_name(string())
156 , _custom_device_mode(string())
157 , _active_notes(0)
158 , _note_group(new ArdourCanvas::Group(*get_canvas_group()))
159 , _note_diff_command (0)
160 , _ghost_note(0)
161 , _drag_rect (0)
162 , _step_edit_cursor (0)
163 , _step_edit_cursor_width (1.0)
164 , _step_edit_cursor_position (0.0)
165 , _channel_selection_scoped_note (0)
166 , _temporary_note_group (0)
167 , _mouse_state(None)
168 , _pressed_button(0)
169 , _sort_needed (true)
170 , _optimization_iterator (_events.end())
171 , _list_editor (0)
172 , _no_sound_notes (false)
173 , _last_event_x (0)
174 , _last_event_y (0)
176 Gdk::Color c;
177 int r,g,b,a;
179 UINT_TO_RGBA (other.fill_color, &r, &g, &b, &a);
180 c.set_rgb_p (r/255.0, g/255.0, b/255.0);
182 init (c, false);
185 MidiRegionView::MidiRegionView (const MidiRegionView& other, boost::shared_ptr<MidiRegion> region)
186 : RegionView (other, boost::shared_ptr<Region> (region))
187 , _force_channel(-1)
188 , _last_channel_selection(0xFFFF)
189 , _model_name(string())
190 , _custom_device_mode(string())
191 , _active_notes(0)
192 , _note_group(new ArdourCanvas::Group(*get_canvas_group()))
193 , _note_diff_command (0)
194 , _ghost_note(0)
195 , _drag_rect (0)
196 , _step_edit_cursor (0)
197 , _step_edit_cursor_width (1.0)
198 , _step_edit_cursor_position (0.0)
199 , _channel_selection_scoped_note (0)
200 , _temporary_note_group (0)
201 , _mouse_state(None)
202 , _pressed_button(0)
203 , _sort_needed (true)
204 , _optimization_iterator (_events.end())
205 , _list_editor (0)
206 , _no_sound_notes (false)
207 , _last_event_x (0)
208 , _last_event_y (0)
210 Gdk::Color c;
211 int r,g,b,a;
213 UINT_TO_RGBA (other.fill_color, &r, &g, &b, &a);
214 c.set_rgb_p (r/255.0, g/255.0, b/255.0);
216 init (c, true);
219 void
220 MidiRegionView::init (Gdk::Color const & basic_color, bool wfd)
222 PublicEditor::DropDownKeys.connect (sigc::mem_fun (*this, &MidiRegionView::drop_down_keys));
224 CanvasNoteEvent::CanvasNoteEventDeleted.connect (note_delete_connection, MISSING_INVALIDATOR,
225 ui_bind (&MidiRegionView::maybe_remove_deleted_note_from_selection, this, _1),
226 gui_context());
228 if (wfd) {
229 midi_region()->midi_source(0)->load_model();
232 _model = midi_region()->midi_source(0)->model();
233 _enable_display = false;
235 RegionView::init (basic_color, false);
237 compute_colors (basic_color);
239 set_height (trackview.current_height());
241 region_muted ();
242 region_sync_changed ();
243 region_resized (ARDOUR::bounds_change);
244 region_locked ();
246 reset_width_dependent_items (_pixel_width);
248 set_colors ();
250 _enable_display = true;
251 if (_model) {
252 if (wfd) {
253 display_model (_model);
257 group->raise_to_top();
258 group->signal_event().connect(
259 sigc::mem_fun(this, &MidiRegionView::canvas_event), false);
261 midi_view()->signal_channel_mode_changed().connect(
262 sigc::mem_fun(this, &MidiRegionView::midi_channel_mode_changed));
264 midi_view()->signal_midi_patch_settings_changed().connect(
265 sigc::mem_fun(this, &MidiRegionView::midi_patch_settings_changed));
267 trackview.editor().SnapChanged.connect(snap_changed_connection, invalidator(*this),
268 ui_bind(&MidiRegionView::snap_changed, this),
269 gui_context());
271 connect_to_diskstream ();
274 void
275 MidiRegionView::connect_to_diskstream ()
277 midi_view()->midi_track()->DataRecorded.connect(
278 *this, invalidator(*this),
279 ui_bind(&MidiRegionView::data_recorded, this, _1, _2),
280 gui_context());
283 bool
284 MidiRegionView::canvas_event(GdkEvent* ev)
286 switch (ev->type) {
287 case GDK_ENTER_NOTIFY:
288 case GDK_LEAVE_NOTIFY:
289 _last_event_x = ev->crossing.x;
290 _last_event_y = ev->crossing.y;
291 break;
292 case GDK_MOTION_NOTIFY:
293 _last_event_x = ev->motion.x;
294 _last_event_y = ev->motion.y;
295 break;
296 default:
297 break;
300 if (!trackview.editor().internal_editing()) {
301 return false;
304 switch (ev->type) {
305 case GDK_SCROLL:
306 return scroll (&ev->scroll);
308 case GDK_KEY_PRESS:
309 return key_press (&ev->key);
311 case GDK_KEY_RELEASE:
312 return key_release (&ev->key);
314 case GDK_BUTTON_PRESS:
315 return button_press (&ev->button);
317 case GDK_2BUTTON_PRESS:
318 return true;
320 case GDK_BUTTON_RELEASE:
321 return button_release (&ev->button);
323 case GDK_ENTER_NOTIFY:
324 return enter_notify (&ev->crossing);
326 case GDK_LEAVE_NOTIFY:
327 return leave_notify (&ev->crossing);
329 case GDK_MOTION_NOTIFY:
330 return motion (&ev->motion);
332 default:
333 break;
336 return false;
339 void
340 MidiRegionView::remove_ghost_note ()
342 delete _ghost_note;
343 _ghost_note = 0;
346 bool
347 MidiRegionView::enter_notify (GdkEventCrossing* ev)
349 trackview.editor().MouseModeChanged.connect (
350 _mouse_mode_connection, invalidator (*this), ui_bind (&MidiRegionView::mouse_mode_changed, this), gui_context ()
353 Keyboard::magic_widget_grab_focus();
354 group->grab_focus();
356 if (trackview.editor().current_mouse_mode() == MouseRange) {
357 create_ghost_note (ev->x, ev->y);
360 return false;
363 bool
364 MidiRegionView::leave_notify (GdkEventCrossing*)
366 _mouse_mode_connection.disconnect ();
368 trackview.editor().verbose_cursor()->hide ();
369 remove_ghost_note ();
370 return false;
373 void
374 MidiRegionView::mouse_mode_changed ()
376 if (trackview.editor().current_mouse_mode() == MouseRange && trackview.editor().internal_editing()) {
377 create_ghost_note (_last_event_x, _last_event_y);
378 } else {
379 remove_ghost_note ();
380 trackview.editor().verbose_cursor()->hide ();
384 bool
385 MidiRegionView::button_press (GdkEventButton* ev)
387 if (ev->button != 1) {
388 return false;
391 _last_x = ev->x;
392 _last_y = ev->y;
394 group->w2i (_last_x, _last_y);
396 if (_mouse_state != SelectTouchDragging) {
398 _pressed_button = ev->button;
399 _mouse_state = Pressed;
401 return true;
404 _pressed_button = ev->button;
406 return true;
409 bool
410 MidiRegionView::button_release (GdkEventButton* ev)
412 double event_x, event_y;
413 framepos_t event_frame = 0;
415 if (ev->button != 1) {
416 return false;
419 event_x = ev->x;
420 event_y = ev->y;
422 group->w2i(event_x, event_y);
423 group->ungrab(ev->time);
425 event_frame = trackview.editor().pixel_to_frame(event_x);
427 switch (_mouse_state) {
428 case Pressed: // Clicked
430 switch (trackview.editor().current_mouse_mode()) {
431 case MouseObject:
432 case MouseTimeFX:
434 clear_selection();
436 if (Keyboard::is_insert_note_event(ev)){
438 double event_x, event_y;
440 event_x = ev->x;
441 event_y = ev->y;
442 group->w2i(event_x, event_y);
444 bool success;
445 Evoral::MusicalTime beats = trackview.editor().get_grid_type_as_beats (success, trackview.editor().pixel_to_frame (event_x));
447 if (!success) {
448 beats = 1;
451 create_note_at (event_x, event_y, beats, true);
454 break;
456 case MouseRange:
458 bool success;
459 Evoral::MusicalTime beats = trackview.editor().get_grid_type_as_beats (success, trackview.editor().pixel_to_frame (event_x));
461 if (!success) {
462 beats = 1;
465 create_note_at (event_x, event_y, beats, true);
467 break;
469 default:
470 break;
473 _mouse_state = None;
474 break;
476 case SelectRectDragging: // Select drag done
478 _mouse_state = None;
479 delete _drag_rect;
480 _drag_rect = 0;
481 break;
483 case AddDragging: // Add drag done
485 _mouse_state = None;
487 if (Keyboard::is_insert_note_event(ev) || trackview.editor().current_mouse_mode() == MouseRange){
489 if (_drag_rect->property_x2() > _drag_rect->property_x1() + 2) {
491 const double x = _drag_rect->property_x1();
492 const double length = trackview.editor().pixel_to_frame (_drag_rect->property_x2() - _drag_rect->property_x1());
494 create_note_at (x, _drag_rect->property_y1(), frames_to_beats(length), true);
498 delete _drag_rect;
499 _drag_rect = 0;
501 create_ghost_note (ev->x, ev->y);
503 default:
504 break;
507 return false;
510 bool
511 MidiRegionView::motion (GdkEventMotion* ev)
513 double event_x, event_y;
514 framepos_t event_frame = 0;
516 event_x = ev->x;
517 event_y = ev->y;
518 group->w2i(event_x, event_y);
520 // convert event_x to global frame
521 event_frame = snap_pixel_to_frame (event_x);
523 if (!_ghost_note && trackview.editor().current_mouse_mode() != MouseRange
524 && Keyboard::modifier_state_contains (ev->state, Keyboard::insert_note_modifier())
525 && _mouse_state != AddDragging){
527 create_ghost_note (ev->x, ev->y);
529 else if (_ghost_note && trackview.editor().current_mouse_mode() != MouseRange
530 && Keyboard::modifier_state_contains (ev->state, Keyboard::insert_note_modifier())){
532 update_ghost_note (ev->x, ev->y);
534 else if (_ghost_note && trackview.editor().current_mouse_mode() != MouseRange){
536 delete _ghost_note;
537 _ghost_note = 0;
539 trackview.editor().verbose_cursor()->hide ();
541 else if (_ghost_note && trackview.editor().current_mouse_mode() == MouseRange) {
542 update_ghost_note (ev->x, ev->y);
545 /* any motion immediately hides velocity text that may have been visible */
547 for (Selection::iterator i = _selection.begin(); i != _selection.end(); ++i) {
548 (*i)->hide_velocity ();
551 switch (_mouse_state) {
552 case Pressed: // Maybe start a drag, if we've moved a bit
554 if (fabs (event_x - _last_x) < 1 && fabs (event_y - _last_y) < 1) {
555 /* no appreciable movement since the button was pressed */
556 return false;
559 // Select drag start
560 if (_pressed_button == 1 && trackview.editor().current_mouse_mode() == MouseObject
561 && !Keyboard::modifier_state_contains (ev->state, Keyboard::insert_note_modifier())) {
563 group->grab(GDK_POINTER_MOTION_MASK | GDK_BUTTON_RELEASE_MASK,
564 Gdk::Cursor(Gdk::FLEUR), ev->time);
566 _last_x = event_x;
567 _last_y = event_y;
568 _drag_start_x = event_x;
569 _drag_start_y = event_y;
571 _drag_rect = new ArdourCanvas::SimpleRect(*group);
572 _drag_rect->property_x1() = event_x;
573 _drag_rect->property_y1() = event_y;
574 _drag_rect->property_x2() = event_x;
575 _drag_rect->property_y2() = event_y;
576 _drag_rect->property_outline_what() = 0xFF;
577 _drag_rect->property_outline_color_rgba()
578 = ARDOUR_UI::config()->canvasvar_MidiSelectRectOutline.get();
579 _drag_rect->property_fill_color_rgba()
580 = ARDOUR_UI::config()->canvasvar_MidiSelectRectFill.get();
582 _mouse_state = SelectRectDragging;
583 return true;
585 // Add note drag start
586 } else if (trackview.editor().internal_editing()) {
588 delete _ghost_note;
589 _ghost_note = 0;
591 group->grab(GDK_POINTER_MOTION_MASK | GDK_BUTTON_RELEASE_MASK,
592 Gdk::Cursor(Gdk::FLEUR), ev->time);
594 _last_x = event_x;
595 _last_y = event_y;
596 _drag_start_x = event_x;
597 _drag_start_y = event_y;
599 _drag_rect = new ArdourCanvas::SimpleRect(*group);
600 _drag_rect->property_x1() = trackview.editor().frame_to_pixel(event_frame);
602 _drag_rect->property_y1() = midi_stream_view()->note_to_y(
603 midi_stream_view()->y_to_note(event_y));
604 _drag_rect->property_x2() = trackview.editor().frame_to_pixel(event_frame);
605 _drag_rect->property_y2() = _drag_rect->property_y1()
606 + floor(midi_stream_view()->note_height());
607 _drag_rect->property_outline_what() = 0xFF;
608 _drag_rect->property_outline_color_rgba() = 0xFFFFFF99;
609 _drag_rect->property_fill_color_rgba() = 0xFFFFFF66;
611 _mouse_state = AddDragging;
613 if (_ghost_note){
615 delete _ghost_note;
616 _ghost_note = 0;
618 trackview.editor().verbose_cursor()->hide ();
621 return true;
624 return false;
626 case SelectRectDragging: // Select drag motion
627 case AddDragging: // Add note drag motion
629 if (ev->is_hint) {
630 int t_x;
631 int t_y;
632 GdkModifierType state;
633 gdk_window_get_pointer(ev->window, &t_x, &t_y, &state);
634 event_x = t_x;
635 event_y = t_y;
638 if (_mouse_state == AddDragging){
639 event_x = trackview.editor().frame_to_pixel(event_frame);
642 if (_drag_rect) {
644 if (event_x > _drag_start_x){
645 _drag_rect->property_x2() = event_x;
647 else {
648 _drag_rect->property_x1() = event_x;
652 if (_drag_rect && _mouse_state == SelectRectDragging) {
654 if (event_y > _drag_start_y){
655 _drag_rect->property_y2() = event_y;
657 else {
658 _drag_rect->property_y1() = event_y;
661 update_drag_selection(_drag_start_x, event_x, _drag_start_y, event_y);
664 _last_x = event_x;
665 _last_y = event_y;
667 case SelectTouchDragging:
668 return false;
670 default:
671 break;
674 return false;
678 bool
679 MidiRegionView::scroll (GdkEventScroll* ev)
681 if (_selection.empty()) {
682 return false;
685 trackview.editor().verbose_cursor()->hide ();
687 bool fine = !Keyboard::modifier_state_equals (ev->state, Keyboard::SecondaryModifier);
689 if (ev->direction == GDK_SCROLL_UP) {
690 change_velocities (true, fine, false);
691 } else if (ev->direction == GDK_SCROLL_DOWN) {
692 change_velocities (false, fine, false);
694 return true;
697 bool
698 MidiRegionView::key_press (GdkEventKey* ev)
700 /* since GTK bindings are generally activated on press, and since
701 detectable auto-repeat is the name of the game and only sends
702 repeated presses, carry out key actions at key press, not release.
705 if (ev->keyval == GDK_Alt_L || ev->keyval == GDK_Alt_R){
706 _mouse_state = SelectTouchDragging;
707 return true;
709 } else if (ev->keyval == GDK_Escape) {
710 clear_selection();
711 _mouse_state = None;
713 } else if (ev->keyval == GDK_comma || ev->keyval == GDK_period) {
715 bool start = (ev->keyval == GDK_comma);
716 bool end = (ev->keyval == GDK_period);
717 bool shorter = Keyboard::modifier_state_contains (ev->state, Keyboard::PrimaryModifier);
718 bool fine = Keyboard::modifier_state_contains (ev->state, Keyboard::SecondaryModifier);
720 change_note_lengths (fine, shorter, 0.0, start, end);
722 return true;
724 } else if (ev->keyval == GDK_Delete) {
726 delete_selection();
727 return true;
729 } else if (ev->keyval == GDK_Tab) {
731 if (Keyboard::modifier_state_equals (ev->state, Keyboard::PrimaryModifier)) {
732 goto_previous_note ();
733 } else {
734 goto_next_note ();
736 return true;
738 } else if (ev->keyval == GDK_Up) {
740 bool allow_smush = Keyboard::modifier_state_contains (ev->state, Keyboard::TertiaryModifier);
741 bool fine = !Keyboard::modifier_state_contains (ev->state, Keyboard::SecondaryModifier);
743 if (Keyboard::modifier_state_contains (ev->state, Keyboard::PrimaryModifier)) {
744 change_velocities (true, fine, allow_smush);
745 } else {
746 transpose (true, fine, allow_smush);
748 return true;
750 } else if (ev->keyval == GDK_Down) {
752 bool allow_smush = Keyboard::modifier_state_contains (ev->state, Keyboard::TertiaryModifier);
753 bool fine = !Keyboard::modifier_state_contains (ev->state, Keyboard::SecondaryModifier);
755 if (Keyboard::modifier_state_contains (ev->state, Keyboard::PrimaryModifier)) {
756 change_velocities (false, fine, allow_smush);
757 } else {
758 transpose (false, fine, allow_smush);
760 return true;
762 } else if (ev->keyval == GDK_Left) {
764 nudge_notes (false);
765 return true;
767 } else if (ev->keyval == GDK_Right) {
769 nudge_notes (true);
770 return true;
772 } else if (ev->keyval == GDK_Control_L) {
773 return true;
777 return false;
780 bool
781 MidiRegionView::key_release (GdkEventKey* ev)
783 if (ev->keyval == GDK_Alt_L || ev->keyval == GDK_Alt_R) {
784 _mouse_state = None;
785 return true;
787 return false;
790 void
791 MidiRegionView::show_list_editor ()
793 if (!_list_editor) {
794 _list_editor = new MidiListEditor (trackview.session(), midi_region());
796 _list_editor->present ();
799 /** Add a note to the model, and the view, at a canvas (click) coordinate.
800 * \param x horizontal position in pixels
801 * \param y vertical position in pixels
802 * \param length duration of the note in beats, which will be snapped to the grid
803 * \param sh true to make the note 1 frame shorter than the snapped version of \a length.
805 void
806 MidiRegionView::create_note_at(double x, double y, double length, bool sh)
808 MidiTimeAxisView* const mtv = dynamic_cast<MidiTimeAxisView*>(&trackview);
809 MidiStreamView* const view = mtv->midi_view();
811 double note = view->y_to_note(y);
813 assert(note >= 0.0);
814 assert(note <= 127.0);
816 // Start of note in frames relative to region start
817 framepos_t const start_frames = snap_pixel_to_frame (x);
818 assert(start_frames >= 0);
820 // Snap length
821 length = frames_to_beats(
822 snap_frame_to_frame(start_frames + beats_to_frames(length)) - start_frames);
824 assert (length != 0);
826 if (sh) {
827 length = frames_to_beats (beats_to_frames (length) - 1);
830 const boost::shared_ptr<NoteType> new_note (new NoteType (mtv->get_channel_for_add (),
831 frames_to_beats(start_frames + _region->start()), length,
832 (uint8_t)note, 0x40));
834 if (_model->contains (new_note)) {
835 return;
838 view->update_note_range(new_note->note());
840 MidiModel::NoteDiffCommand* cmd = _model->new_note_diff_command("add note");
841 cmd->add (new_note);
842 _model->apply_command(*trackview.session(), cmd);
844 play_midi_note (new_note);
847 void
848 MidiRegionView::clear_events()
850 clear_selection();
852 MidiGhostRegion* gr;
853 for (std::vector<GhostRegion*>::iterator g = ghosts.begin(); g != ghosts.end(); ++g) {
854 if ((gr = dynamic_cast<MidiGhostRegion*>(*g)) != 0) {
855 gr->clear_events();
859 for (Events::iterator i = _events.begin(); i != _events.end(); ++i) {
860 delete *i;
863 _events.clear();
864 _patch_changes.clear();
865 _sys_exes.clear();
866 _optimization_iterator = _events.end();
869 void
870 MidiRegionView::display_model(boost::shared_ptr<MidiModel> model)
872 _model = model;
874 content_connection.disconnect ();
875 _model->ContentsChanged.connect (content_connection, invalidator (*this), boost::bind (&MidiRegionView::redisplay_model, this), gui_context());
877 clear_events ();
879 if (_enable_display) {
880 redisplay_model();
884 void
885 MidiRegionView::start_note_diff_command (string name)
887 if (!_note_diff_command) {
888 _note_diff_command = _model->new_note_diff_command (name);
892 void
893 MidiRegionView::note_diff_add_note (const boost::shared_ptr<NoteType> note, bool selected, bool show_velocity)
895 if (_note_diff_command) {
896 _note_diff_command->add (note);
898 if (selected) {
899 _marked_for_selection.insert(note);
901 if (show_velocity) {
902 _marked_for_velocity.insert(note);
906 void
907 MidiRegionView::note_diff_remove_note (ArdourCanvas::CanvasNoteEvent* ev)
909 if (_note_diff_command && ev->note()) {
910 _note_diff_command->remove(ev->note());
914 void
915 MidiRegionView::note_diff_add_change (ArdourCanvas::CanvasNoteEvent* ev,
916 MidiModel::NoteDiffCommand::Property property,
917 uint8_t val)
919 if (_note_diff_command) {
920 _note_diff_command->change (ev->note(), property, val);
924 void
925 MidiRegionView::note_diff_add_change (ArdourCanvas::CanvasNoteEvent* ev,
926 MidiModel::NoteDiffCommand::Property property,
927 Evoral::MusicalTime val)
929 if (_note_diff_command) {
930 _note_diff_command->change (ev->note(), property, val);
934 void
935 MidiRegionView::apply_diff (bool as_subcommand)
937 bool add_or_remove;
939 if (!_note_diff_command) {
940 return;
943 if ((add_or_remove = _note_diff_command->adds_or_removes())) {
944 // Mark all selected notes for selection when model reloads
945 for (Selection::iterator i = _selection.begin(); i != _selection.end(); ++i) {
946 _marked_for_selection.insert((*i)->note());
950 if (as_subcommand) {
951 _model->apply_command_as_subcommand (*trackview.session(), _note_diff_command);
952 } else {
953 _model->apply_command (*trackview.session(), _note_diff_command);
956 _note_diff_command = 0;
957 midi_view()->midi_track()->playlist_modified();
959 if (add_or_remove) {
960 _marked_for_selection.clear();
963 _marked_for_velocity.clear();
966 void
967 MidiRegionView::abort_command()
969 delete _note_diff_command;
970 _note_diff_command = 0;
971 clear_selection();
974 CanvasNoteEvent*
975 MidiRegionView::find_canvas_note (boost::shared_ptr<NoteType> note)
977 if (_optimization_iterator != _events.end()) {
978 ++_optimization_iterator;
981 if (_optimization_iterator != _events.end() && (*_optimization_iterator)->note() == note) {
982 return *_optimization_iterator;
985 for (_optimization_iterator = _events.begin(); _optimization_iterator != _events.end(); ++_optimization_iterator) {
986 if ((*_optimization_iterator)->note() == note) {
987 return *_optimization_iterator;
991 return 0;
994 void
995 MidiRegionView::get_events (Events& e, Evoral::Sequence<Evoral::MusicalTime>::NoteOperator op, uint8_t val, int chan_mask)
997 MidiModel::Notes notes;
998 _model->get_notes (notes, op, val, chan_mask);
1000 for (MidiModel::Notes::iterator n = notes.begin(); n != notes.end(); ++n) {
1001 CanvasNoteEvent* cne = find_canvas_note (*n);
1002 if (cne) {
1003 e.push_back (cne);
1008 void
1009 MidiRegionView::redisplay_model()
1011 // Don't redisplay the model if we're currently recording and displaying that
1012 if (_active_notes) {
1013 return;
1016 if (!_model) {
1017 return;
1020 for (Events::iterator i = _events.begin(); i != _events.end(); ++i) {
1021 (*i)->invalidate ();
1024 MidiModel::ReadLock lock(_model->read_lock());
1026 MidiModel::Notes& notes (_model->notes());
1027 _optimization_iterator = _events.begin();
1029 for (MidiModel::Notes::iterator n = notes.begin(); n != notes.end(); ++n) {
1031 boost::shared_ptr<NoteType> note (*n);
1032 CanvasNoteEvent* cne;
1033 bool visible;
1035 if (note_in_region_range (note, visible)) {
1037 if ((cne = find_canvas_note (note)) != 0) {
1039 cne->validate ();
1041 CanvasNote* cn;
1042 CanvasHit* ch;
1044 if ((cn = dynamic_cast<CanvasNote*>(cne)) != 0) {
1045 update_note (cn);
1046 } else if ((ch = dynamic_cast<CanvasHit*>(cne)) != 0) {
1047 update_hit (ch);
1050 if (visible) {
1051 cne->show ();
1052 } else {
1053 cne->hide ();
1056 } else {
1058 add_note (note, visible);
1061 } else {
1063 if ((cne = find_canvas_note (note)) != 0) {
1064 cne->validate ();
1065 cne->hide ();
1071 /* remove note items that are no longer valid */
1073 for (Events::iterator i = _events.begin(); i != _events.end(); ) {
1074 if (!(*i)->valid ()) {
1075 delete *i;
1076 i = _events.erase (i);
1077 } else {
1078 ++i;
1082 _patch_changes.clear();
1083 _sys_exes.clear();
1085 display_sysexes();
1086 display_patch_changes ();
1088 _marked_for_selection.clear ();
1089 _marked_for_velocity.clear ();
1091 /* we may have caused _events to contain things out of order (e.g. if a note
1092 moved earlier or later). we don't generally need them in time order, but
1093 make a note that a sort is required for those cases that require it.
1096 _sort_needed = true;
1099 void
1100 MidiRegionView::display_patch_changes ()
1102 MidiTimeAxisView* const mtv = dynamic_cast<MidiTimeAxisView*>(&trackview);
1103 uint16_t chn_mask = mtv->channel_selector().get_selected_channels();
1105 for (uint8_t i = 0; i < 16; ++i) {
1106 if (chn_mask & (1<<i)) {
1107 display_patch_changes_on_channel (i);
1112 void
1113 MidiRegionView::display_patch_changes_on_channel (uint8_t channel)
1115 for (MidiModel::PatchChanges::const_iterator i = _model->patch_changes().begin(); i != _model->patch_changes().end(); ++i) {
1117 if ((*i)->channel() != channel) {
1118 continue;
1121 MIDI::Name::PatchPrimaryKey patch_key ((*i)->bank_msb (), (*i)->bank_lsb (), (*i)->program ());
1123 boost::shared_ptr<MIDI::Name::Patch> patch =
1124 MIDI::Name::MidiPatchManager::instance().find_patch(
1125 _model_name, _custom_device_mode, channel, patch_key);
1127 if (patch != 0) {
1128 add_canvas_patch_change (*i, patch->name());
1129 } else {
1130 char buf[16];
1131 /* program and bank numbers are zero-based: convert to one-based */
1132 snprintf (buf, 16, "%d\n%d", (*i)->program() + 1, (*i)->bank() + 1);
1133 add_canvas_patch_change (*i, buf);
1138 void
1139 MidiRegionView::display_sysexes()
1141 for (MidiModel::SysExes::const_iterator i = _model->sysexes().begin(); i != _model->sysexes().end(); ++i) {
1142 Evoral::MusicalTime time = (*i)->time();
1143 assert(time >= 0);
1145 ostringstream str;
1146 str << hex;
1147 for (uint32_t b = 0; b < (*i)->size(); ++b) {
1148 str << int((*i)->buffer()[b]);
1149 if (b != (*i)->size() -1) {
1150 str << " ";
1153 string text = str.str();
1155 const double x = trackview.editor().frame_to_pixel(beats_to_frames(time));
1157 double height = midi_stream_view()->contents_height();
1159 boost::shared_ptr<CanvasSysEx> sysex = boost::shared_ptr<CanvasSysEx>(
1160 new CanvasSysEx(*this, *_note_group, text, height, x, 1.0));
1162 // Show unless patch change is beyond the region bounds
1163 if (time - _region->start() >= _region->length() || time < _region->start()) {
1164 sysex->hide();
1165 } else {
1166 sysex->show();
1169 _sys_exes.push_back(sysex);
1174 MidiRegionView::~MidiRegionView ()
1176 in_destructor = true;
1178 trackview.editor().verbose_cursor()->hide ();
1180 note_delete_connection.disconnect ();
1182 delete _list_editor;
1184 RegionViewGoingAway (this); /* EMIT_SIGNAL */
1186 if (_active_notes) {
1187 end_write();
1190 _selection.clear();
1191 clear_events();
1193 delete _note_group;
1194 delete _note_diff_command;
1195 delete _step_edit_cursor;
1196 delete _temporary_note_group;
1199 void
1200 MidiRegionView::region_resized (const PropertyChange& what_changed)
1202 RegionView::region_resized(what_changed);
1204 if (what_changed.contains (ARDOUR::Properties::position)) {
1205 set_duration(_region->length(), 0);
1206 if (_enable_display) {
1207 redisplay_model();
1212 void
1213 MidiRegionView::reset_width_dependent_items (double pixel_width)
1215 RegionView::reset_width_dependent_items(pixel_width);
1216 assert(_pixel_width == pixel_width);
1218 if (_enable_display) {
1219 redisplay_model();
1222 move_step_edit_cursor (_step_edit_cursor_position);
1223 set_step_edit_cursor_width (_step_edit_cursor_width);
1226 void
1227 MidiRegionView::set_height (double height)
1229 static const double FUDGE = 2.0;
1230 const double old_height = _height;
1231 RegionView::set_height(height);
1232 _height = height - FUDGE;
1234 apply_note_range(midi_stream_view()->lowest_note(),
1235 midi_stream_view()->highest_note(),
1236 height != old_height + FUDGE);
1238 if (name_pixbuf) {
1239 name_pixbuf->raise_to_top();
1242 for (PatchChanges::iterator x = _patch_changes.begin(); x != _patch_changes.end(); ++x) {
1243 (*x)->set_height (midi_stream_view()->contents_height());
1246 if (_step_edit_cursor) {
1247 _step_edit_cursor->property_y2() = midi_stream_view()->contents_height();
1252 /** Apply the current note range from the stream view
1253 * by repositioning/hiding notes as necessary
1255 void
1256 MidiRegionView::apply_note_range (uint8_t min, uint8_t max, bool force)
1258 if (!_enable_display) {
1259 return;
1262 if (!force && _current_range_min == min && _current_range_max == max) {
1263 return;
1266 _current_range_min = min;
1267 _current_range_max = max;
1269 for (Events::const_iterator i = _events.begin(); i != _events.end(); ++i) {
1270 CanvasNoteEvent* event = *i;
1271 boost::shared_ptr<NoteType> note (event->note());
1273 if (note->note() < _current_range_min ||
1274 note->note() > _current_range_max) {
1275 event->hide();
1276 } else {
1277 event->show();
1280 if (CanvasNote* cnote = dynamic_cast<CanvasNote*>(event)) {
1282 const double y1 = midi_stream_view()->note_to_y(note->note());
1283 const double y2 = y1 + floor(midi_stream_view()->note_height());
1285 cnote->property_y1() = y1;
1286 cnote->property_y2() = y2;
1288 } else if (CanvasHit* chit = dynamic_cast<CanvasHit*>(event)) {
1290 const double diamond_size = update_hit (chit);
1292 chit->set_height (diamond_size);
1297 GhostRegion*
1298 MidiRegionView::add_ghost (TimeAxisView& tv)
1300 CanvasNote* note;
1302 double unit_position = _region->position () / samples_per_unit;
1303 MidiTimeAxisView* mtv = dynamic_cast<MidiTimeAxisView*>(&tv);
1304 MidiGhostRegion* ghost;
1306 if (mtv && mtv->midi_view()) {
1307 /* if ghost is inserted into midi track, use a dedicated midi ghost canvas group
1308 to allow having midi notes on top of note lines and waveforms.
1310 ghost = new MidiGhostRegion (*mtv->midi_view(), trackview, unit_position);
1311 } else {
1312 ghost = new MidiGhostRegion (tv, trackview, unit_position);
1315 for (Events::iterator i = _events.begin(); i != _events.end(); ++i) {
1316 if ((note = dynamic_cast<CanvasNote*>(*i)) != 0) {
1317 ghost->add_note(note);
1321 ghost->set_height ();
1322 ghost->set_duration (_region->length() / samples_per_unit);
1323 ghosts.push_back (ghost);
1325 GhostRegion::CatchDeletion.connect (*this, invalidator (*this), ui_bind (&RegionView::remove_ghost, this, _1), gui_context());
1327 return ghost;
1331 /** Begin tracking note state for successive calls to add_event
1333 void
1334 MidiRegionView::begin_write()
1336 assert(!_active_notes);
1337 _active_notes = new CanvasNote*[128];
1338 for (unsigned i=0; i < 128; ++i) {
1339 _active_notes[i] = 0;
1344 /** Destroy note state for add_event
1346 void
1347 MidiRegionView::end_write()
1349 delete[] _active_notes;
1350 _active_notes = 0;
1351 _marked_for_selection.clear();
1352 _marked_for_velocity.clear();
1356 /** Resolve an active MIDI note (while recording).
1358 void
1359 MidiRegionView::resolve_note(uint8_t note, double end_time)
1361 if (midi_view()->note_mode() != Sustained) {
1362 return;
1365 if (_active_notes && _active_notes[note]) {
1367 const framepos_t end_time_frames = beats_to_frames(end_time);
1369 _active_notes[note]->property_x2() = trackview.editor().frame_to_pixel(end_time_frames);
1370 _active_notes[note]->property_outline_what() = (guint32) 0xF; // all edges
1371 _active_notes[note] = 0;
1376 /** Extend active notes to rightmost edge of region (if length is changed)
1378 void
1379 MidiRegionView::extend_active_notes()
1381 if (!_active_notes) {
1382 return;
1385 for (unsigned i=0; i < 128; ++i) {
1386 if (_active_notes[i]) {
1387 _active_notes[i]->property_x2() = trackview.editor().frame_to_pixel(_region->length());
1393 void
1394 MidiRegionView::play_midi_note(boost::shared_ptr<NoteType> note)
1396 if (_no_sound_notes || !trackview.editor().sound_notes()) {
1397 return;
1400 RouteUI* route_ui = dynamic_cast<RouteUI*> (&trackview);
1402 if (!route_ui || !route_ui->midi_track()) {
1403 return;
1406 NotePlayer* np = new NotePlayer (route_ui->midi_track());
1407 np->add (note);
1408 np->play ();
1411 void
1412 MidiRegionView::play_midi_chord (vector<boost::shared_ptr<NoteType> > notes)
1414 if (_no_sound_notes || !trackview.editor().sound_notes()) {
1415 return;
1418 RouteUI* route_ui = dynamic_cast<RouteUI*> (&trackview);
1420 if (!route_ui || !route_ui->midi_track()) {
1421 return;
1424 NotePlayer* np = new NotePlayer (route_ui->midi_track());
1426 for (vector<boost::shared_ptr<NoteType> >::iterator n = notes.begin(); n != notes.end(); ++n) {
1427 np->add (*n);
1430 np->play ();
1434 bool
1435 MidiRegionView::note_in_region_range(const boost::shared_ptr<NoteType> note, bool& visible) const
1437 const framepos_t note_start_frames = beats_to_frames(note->time());
1439 bool outside = (note_start_frames - _region->start() >= _region->length()) ||
1440 (note_start_frames < _region->start());
1442 visible = (note->note() >= midi_stream_view()->lowest_note()) &&
1443 (note->note() <= midi_stream_view()->highest_note());
1445 return !outside;
1448 /** Update a canvas note's size from its model note.
1449 * @param ev Canvas note to update.
1450 * @param update_ghost_regions true to update the note in any ghost regions that we have, otherwise false.
1452 void
1453 MidiRegionView::update_note (CanvasNote* ev, bool update_ghost_regions)
1455 boost::shared_ptr<NoteType> note = ev->note();
1457 const framepos_t note_start_frames = beats_to_frames(note->time());
1459 /* trim note display to not overlap the end of its region */
1460 const framepos_t note_end_frames = min (beats_to_frames (note->end_time()), _region->start() + _region->length());
1462 const double x = trackview.editor().frame_to_pixel(note_start_frames - _region->start());
1463 const double y1 = midi_stream_view()->note_to_y(note->note());
1464 const double note_endpixel = trackview.editor().frame_to_pixel(note_end_frames - _region->start());
1466 ev->property_x1() = x;
1467 ev->property_y1() = y1;
1469 if (note->length() > 0) {
1470 ev->property_x2() = note_endpixel;
1471 } else {
1472 ev->property_x2() = trackview.editor().frame_to_pixel(_region->length());
1475 ev->property_y2() = y1 + floor(midi_stream_view()->note_height());
1477 if (note->length() == 0) {
1478 if (_active_notes) {
1479 assert(note->note() < 128);
1480 // If this note is already active there's a stuck note,
1481 // finish the old note rectangle
1482 if (_active_notes[note->note()]) {
1483 CanvasNote* const old_rect = _active_notes[note->note()];
1484 boost::shared_ptr<NoteType> old_note = old_rect->note();
1485 old_rect->property_x2() = x;
1486 old_rect->property_outline_what() = (guint32) 0xF;
1488 _active_notes[note->note()] = ev;
1490 /* outline all but right edge */
1491 ev->property_outline_what() = (guint32) (0x1 & 0x4 & 0x8);
1492 } else {
1493 /* outline all edges */
1494 ev->property_outline_what() = (guint32) 0xF;
1497 if (update_ghost_regions) {
1498 for (std::vector<GhostRegion*>::iterator i = ghosts.begin(); i != ghosts.end(); ++i) {
1499 MidiGhostRegion* gr = dynamic_cast<MidiGhostRegion*> (*i);
1500 if (gr) {
1501 gr->update_note (ev);
1507 double
1508 MidiRegionView::update_hit (CanvasHit* ev)
1510 boost::shared_ptr<NoteType> note = ev->note();
1512 const framepos_t note_start_frames = beats_to_frames(note->time());
1513 const double x = trackview.editor().frame_to_pixel(note_start_frames - _region->start());
1514 const double diamond_size = midi_stream_view()->note_height() / 2.0;
1515 const double y = midi_stream_view()->note_to_y(note->note()) + ((diamond_size-2) / 4.0);
1517 ev->move_to (x, y);
1519 return diamond_size;
1522 /** Add a MIDI note to the view (with length).
1524 * If in sustained mode, notes with length 0 will be considered active
1525 * notes, and resolve_note should be called when the corresponding note off
1526 * event arrives, to properly display the note.
1528 void
1529 MidiRegionView::add_note(const boost::shared_ptr<NoteType> note, bool visible)
1531 CanvasNoteEvent* event = 0;
1533 assert(note->time() >= 0);
1534 assert(midi_view()->note_mode() == Sustained || midi_view()->note_mode() == Percussive);
1536 //ArdourCanvas::Group* const group = (ArdourCanvas::Group*) get_canvas_group();
1538 if (midi_view()->note_mode() == Sustained) {
1540 CanvasNote* ev_rect = new CanvasNote(*this, *_note_group, note);
1542 update_note (ev_rect);
1544 event = ev_rect;
1546 MidiGhostRegion* gr;
1548 for (std::vector<GhostRegion*>::iterator g = ghosts.begin(); g != ghosts.end(); ++g) {
1549 if ((gr = dynamic_cast<MidiGhostRegion*>(*g)) != 0) {
1550 gr->add_note(ev_rect);
1554 } else if (midi_view()->note_mode() == Percussive) {
1556 const double diamond_size = midi_stream_view()->note_height() / 2.0;
1558 CanvasHit* ev_diamond = new CanvasHit(*this, *_note_group, diamond_size, note);
1560 update_hit (ev_diamond);
1562 event = ev_diamond;
1564 } else {
1565 event = 0;
1568 if (event) {
1569 if (_marked_for_selection.find(note) != _marked_for_selection.end()) {
1570 note_selected(event, true);
1573 if (_marked_for_velocity.find(note) != _marked_for_velocity.end()) {
1574 event->show_velocity();
1577 event->on_channel_selection_change(_last_channel_selection);
1578 _events.push_back(event);
1580 if (visible) {
1581 event->show();
1582 } else {
1583 event->hide ();
1587 MidiTimeAxisView* const mtv = dynamic_cast<MidiTimeAxisView*>(&trackview);
1588 MidiStreamView* const view = mtv->midi_view();
1590 view->update_note_range(note->note());
1593 void
1594 MidiRegionView::step_add_note (uint8_t channel, uint8_t number, uint8_t velocity,
1595 Evoral::MusicalTime pos, Evoral::MusicalTime len)
1597 boost::shared_ptr<NoteType> new_note (new NoteType (channel, pos, len, number, velocity));
1599 /* potentially extend region to hold new note */
1601 framepos_t end_frame = _region->position() + beats_to_frames (new_note->end_time());
1602 framepos_t region_end = _region->position() + _region->length() - 1;
1604 if (end_frame > region_end) {
1605 _region->set_length (end_frame - _region->position(), this);
1608 MidiTimeAxisView* const mtv = dynamic_cast<MidiTimeAxisView*>(&trackview);
1609 MidiStreamView* const view = mtv->midi_view();
1611 view->update_note_range(new_note->note());
1613 _marked_for_selection.clear ();
1614 clear_selection ();
1616 start_note_diff_command (_("step add"));
1617 note_diff_add_note (new_note, true, false);
1618 apply_diff();
1620 // last_step_edit_note = new_note;
1623 void
1624 MidiRegionView::step_sustain (Evoral::MusicalTime beats)
1626 change_note_lengths (false, false, beats, false, true);
1629 void
1630 MidiRegionView::add_canvas_patch_change (MidiModel::PatchChangePtr patch, const string& displaytext)
1632 assert (patch->time() >= 0);
1634 const double x = trackview.editor().frame_to_pixel (beats_to_frames (patch->time()));
1636 double const height = midi_stream_view()->contents_height();
1638 boost::shared_ptr<CanvasPatchChange> patch_change = boost::shared_ptr<CanvasPatchChange>(
1639 new CanvasPatchChange(*this, *_note_group,
1640 displaytext,
1641 height,
1642 x, 1.0,
1643 _model_name,
1644 _custom_device_mode,
1645 patch)
1648 // Show unless patch change is beyond the region bounds
1649 if (patch->time() - _region->start() >= _region->length() || patch->time() < _region->start()) {
1650 patch_change->hide();
1651 } else {
1652 patch_change->show();
1655 _patch_changes.push_back (patch_change);
1658 void
1659 MidiRegionView::get_patch_key_at (Evoral::MusicalTime time, uint8_t channel, MIDI::Name::PatchPrimaryKey& key)
1661 MidiModel::PatchChanges::iterator i = _model->patch_change_lower_bound (time);
1662 while (i != _model->patch_changes().end() && (*i)->channel() != channel) {
1663 ++i;
1666 if (i != _model->patch_changes().end()) {
1667 key.msb = (*i)->bank_msb ();
1668 key.lsb = (*i)->bank_lsb ();
1669 key.program_number = (*i)->program ();
1670 } else {
1671 key.msb = key.lsb = key.program_number = 0;
1674 assert (key.is_sane());
1678 void
1679 MidiRegionView::change_patch_change (CanvasPatchChange& pc, const MIDI::Name::PatchPrimaryKey& new_patch)
1681 MidiModel::PatchChangeDiffCommand* c = _model->new_patch_change_diff_command (_("alter patch change"));
1683 if (pc.patch()->program() != new_patch.program_number) {
1684 c->change_program (pc.patch (), new_patch.program_number);
1687 int const new_bank = (new_patch.msb << 7) | new_patch.lsb;
1688 if (pc.patch()->bank() != new_bank) {
1689 c->change_bank (pc.patch (), new_bank);
1692 _model->apply_command (*trackview.session(), c);
1694 _patch_changes.clear ();
1695 display_patch_changes ();
1698 void
1699 MidiRegionView::change_patch_change (MidiModel::PatchChangePtr old_change, const Evoral::PatchChange<Evoral::MusicalTime> & new_change)
1701 MidiModel::PatchChangeDiffCommand* c = _model->new_patch_change_diff_command (_("alter patch change"));
1703 if (old_change->time() != new_change.time()) {
1704 c->change_time (old_change, new_change.time());
1707 if (old_change->channel() != new_change.channel()) {
1708 c->change_channel (old_change, new_change.channel());
1711 if (old_change->program() != new_change.program()) {
1712 c->change_program (old_change, new_change.program());
1715 if (old_change->bank() != new_change.bank()) {
1716 c->change_bank (old_change, new_change.bank());
1719 _model->apply_command (*trackview.session(), c);
1721 _patch_changes.clear ();
1722 display_patch_changes ();
1725 /** Add a patch change to the region.
1726 * @param t Time in frames relative to region position
1727 * @param patch Patch to add; time and channel are ignored (time is converted from t, and channel comes from
1728 * MidiTimeAxisView::get_channel_for_add())
1730 void
1731 MidiRegionView::add_patch_change (framecnt_t t, Evoral::PatchChange<Evoral::MusicalTime> const & patch)
1733 MidiTimeAxisView* const mtv = dynamic_cast<MidiTimeAxisView*>(&trackview);
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()), mtv->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().verbose_cursor()->hide ();
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 return snap_frame_to_frame (editor.pixel_to_frame (x));
2243 /** Snap a frame offset within our region using the current snap settings.
2244 * @param x Frame offset from this region's position.
2245 * @return Snapped frame offset from this region's position.
2247 frameoffset_t
2248 MidiRegionView::snap_frame_to_frame (frameoffset_t x)
2250 PublicEditor& editor = trackview.editor();
2252 /* x is region relative, convert it to global absolute frames */
2253 framepos_t const session_frame = x + _region->position();
2255 /* try a snap in either direction */
2256 framepos_t frame = session_frame;
2257 editor.snap_to (frame, 0);
2259 /* if we went off the beginning of the region, snap forwards */
2260 if (frame < _region->position ()) {
2261 frame = session_frame;
2262 editor.snap_to (frame, 1);
2265 /* back to region relative */
2266 return frame - _region->position();
2269 double
2270 MidiRegionView::snap_to_pixel(double x)
2272 return (double) trackview.editor().frame_to_pixel(snap_pixel_to_frame(x));
2275 double
2276 MidiRegionView::get_position_pixels()
2278 framepos_t region_frame = get_position();
2279 return trackview.editor().frame_to_pixel(region_frame);
2282 double
2283 MidiRegionView::get_end_position_pixels()
2285 framepos_t frame = get_position() + get_duration ();
2286 return trackview.editor().frame_to_pixel(frame);
2289 framepos_t
2290 MidiRegionView::beats_to_frames(double beats) const
2292 return _time_converter.to(beats);
2295 double
2296 MidiRegionView::frames_to_beats(framepos_t frames) const
2298 return _time_converter.from(frames);
2301 void
2302 MidiRegionView::begin_resizing (bool /*at_front*/)
2304 _resize_data.clear();
2306 for (Selection::iterator i = _selection.begin(); i != _selection.end(); ++i) {
2307 CanvasNote *note = dynamic_cast<CanvasNote *> (*i);
2309 // only insert CanvasNotes into the map
2310 if (note) {
2311 NoteResizeData *resize_data = new NoteResizeData();
2312 resize_data->canvas_note = note;
2314 // create a new SimpleRect from the note which will be the resize preview
2315 SimpleRect *resize_rect = new SimpleRect(
2316 *_note_group, note->x1(), note->y1(), note->x2(), note->y2());
2318 // calculate the colors: get the color settings
2319 uint32_t fill_color = UINT_RGBA_CHANGE_A(
2320 ARDOUR_UI::config()->canvasvar_MidiNoteSelected.get(),
2321 128);
2323 // make the resize preview notes more transparent and bright
2324 fill_color = UINT_INTERPOLATE(fill_color, 0xFFFFFF40, 0.5);
2326 // calculate color based on note velocity
2327 resize_rect->property_fill_color_rgba() = UINT_INTERPOLATE(
2328 CanvasNoteEvent::meter_style_fill_color(note->note()->velocity(), note->selected()),
2329 fill_color,
2330 0.85);
2332 resize_rect->property_outline_color_rgba() = CanvasNoteEvent::calculate_outline(
2333 ARDOUR_UI::config()->canvasvar_MidiNoteSelected.get());
2335 resize_data->resize_rect = resize_rect;
2336 _resize_data.push_back(resize_data);
2341 /** Update resizing notes while user drags.
2342 * @param primary `primary' note for the drag; ie the one that is used as the reference in non-relative mode.
2343 * @param at_front which end of the note (true == note on, false == note off)
2344 * @param delta_x change in mouse position since the start of the drag
2345 * @param relative true if relative resizing is taking place, false if absolute resizing. This only makes
2346 * a difference when multiple notes are being resized; in relative mode, each note's length is changed by the
2347 * amount of the drag. In non-relative mode, all selected notes are set to have the same start or end point
2348 * as the \a primary note.
2350 void
2351 MidiRegionView::update_resizing (ArdourCanvas::CanvasNoteEvent* primary, bool at_front, double delta_x, bool relative)
2353 bool cursor_set = false;
2355 for (std::vector<NoteResizeData *>::iterator i = _resize_data.begin(); i != _resize_data.end(); ++i) {
2356 SimpleRect* resize_rect = (*i)->resize_rect;
2357 CanvasNote* canvas_note = (*i)->canvas_note;
2358 double current_x;
2360 if (at_front) {
2361 if (relative) {
2362 current_x = canvas_note->x1() + delta_x;
2363 } else {
2364 current_x = primary->x1() + delta_x;
2366 } else {
2367 if (relative) {
2368 current_x = canvas_note->x2() + delta_x;
2369 } else {
2370 current_x = primary->x2() + delta_x;
2374 if (at_front) {
2375 resize_rect->property_x1() = snap_to_pixel(current_x);
2376 resize_rect->property_x2() = canvas_note->x2();
2377 } else {
2378 resize_rect->property_x2() = snap_to_pixel(current_x);
2379 resize_rect->property_x1() = canvas_note->x1();
2382 if (!cursor_set) {
2383 double beats;
2385 beats = snap_pixel_to_frame (current_x);
2386 beats = frames_to_beats (beats);
2388 double len;
2390 if (at_front) {
2391 if (beats < canvas_note->note()->end_time()) {
2392 len = canvas_note->note()->time() - beats;
2393 len += canvas_note->note()->length();
2394 } else {
2395 len = 0;
2397 } else {
2398 if (beats >= canvas_note->note()->time()) {
2399 len = beats - canvas_note->note()->time();
2400 } else {
2401 len = 0;
2405 char buf[16];
2406 snprintf (buf, sizeof (buf), "%.3g beats", len);
2407 show_verbose_cursor (buf, 0, 0);
2409 cursor_set = true;
2416 /** Finish resizing notes when the user releases the mouse button.
2417 * Parameters the same as for \a update_resizing().
2419 void
2420 MidiRegionView::commit_resizing (ArdourCanvas::CanvasNoteEvent* primary, bool at_front, double delta_x, bool relative)
2422 start_note_diff_command (_("resize notes"));
2424 for (std::vector<NoteResizeData *>::iterator i = _resize_data.begin(); i != _resize_data.end(); ++i) {
2425 CanvasNote* canvas_note = (*i)->canvas_note;
2426 SimpleRect* resize_rect = (*i)->resize_rect;
2427 double current_x;
2429 if (at_front) {
2430 if (relative) {
2431 current_x = canvas_note->x1() + delta_x;
2432 } else {
2433 current_x = primary->x1() + delta_x;
2435 } else {
2436 if (relative) {
2437 current_x = canvas_note->x2() + delta_x;
2438 } else {
2439 current_x = primary->x2() + delta_x;
2443 current_x = snap_pixel_to_frame (current_x);
2444 current_x = frames_to_beats (current_x);
2446 if (at_front && current_x < canvas_note->note()->end_time()) {
2447 note_diff_add_change (canvas_note, MidiModel::NoteDiffCommand::StartTime, current_x);
2449 double len = canvas_note->note()->time() - current_x;
2450 len += canvas_note->note()->length();
2452 if (len > 0) {
2453 /* XXX convert to beats */
2454 note_diff_add_change (canvas_note, MidiModel::NoteDiffCommand::Length, len);
2458 if (!at_front) {
2459 double len = current_x - canvas_note->note()->time();
2461 if (len > 0) {
2462 /* XXX convert to beats */
2463 note_diff_add_change (canvas_note, MidiModel::NoteDiffCommand::Length, len);
2467 delete resize_rect;
2468 delete (*i);
2471 _resize_data.clear();
2472 apply_diff();
2475 void
2476 MidiRegionView::change_note_channel (CanvasNoteEvent* event, int8_t channel)
2478 note_diff_add_change (event, MidiModel::NoteDiffCommand::Channel, (uint8_t) channel);
2481 void
2482 MidiRegionView::change_note_velocity(CanvasNoteEvent* event, int8_t velocity, bool relative)
2484 uint8_t new_velocity;
2486 if (relative) {
2487 new_velocity = event->note()->velocity() + velocity;
2488 clamp_to_0_127(new_velocity);
2489 } else {
2490 new_velocity = velocity;
2493 event->set_selected (event->selected()); // change color
2495 note_diff_add_change (event, MidiModel::NoteDiffCommand::Velocity, new_velocity);
2498 void
2499 MidiRegionView::change_note_note (CanvasNoteEvent* event, int8_t note, bool relative)
2501 uint8_t new_note;
2503 if (relative) {
2504 new_note = event->note()->note() + note;
2505 } else {
2506 new_note = note;
2509 clamp_to_0_127 (new_note);
2510 note_diff_add_change (event, MidiModel::NoteDiffCommand::NoteNumber, new_note);
2513 void
2514 MidiRegionView::trim_note (CanvasNoteEvent* event, Evoral::MusicalTime front_delta, Evoral::MusicalTime end_delta)
2516 bool change_start = false;
2517 bool change_length = false;
2518 Evoral::MusicalTime new_start = 0;
2519 Evoral::MusicalTime new_length = 0;
2521 /* NOTE: the semantics of the two delta arguments are slightly subtle:
2523 front_delta: if positive - move the start of the note later in time (shortening it)
2524 if negative - move the start of the note earlier in time (lengthening it)
2526 end_delta: if positive - move the end of the note later in time (lengthening it)
2527 if negative - move the end of the note earlier in time (shortening it)
2530 if (front_delta) {
2531 if (front_delta < 0) {
2533 if (event->note()->time() < -front_delta) {
2534 new_start = 0;
2535 } else {
2536 new_start = event->note()->time() + front_delta; // moves earlier
2539 /* start moved toward zero, so move the end point out to where it used to be.
2540 Note that front_delta is negative, so this increases the length.
2543 new_length = event->note()->length() - front_delta;
2544 change_start = true;
2545 change_length = true;
2547 } else {
2549 Evoral::MusicalTime new_pos = event->note()->time() + front_delta;
2551 if (new_pos < event->note()->end_time()) {
2552 new_start = event->note()->time() + front_delta;
2553 /* start moved toward the end, so move the end point back to where it used to be */
2554 new_length = event->note()->length() - front_delta;
2555 change_start = true;
2556 change_length = true;
2562 if (end_delta) {
2563 bool can_change = true;
2564 if (end_delta < 0) {
2565 if (event->note()->length() < -end_delta) {
2566 can_change = false;
2570 if (can_change) {
2571 new_length = event->note()->length() + end_delta;
2572 change_length = true;
2576 if (change_start) {
2577 note_diff_add_change (event, MidiModel::NoteDiffCommand::StartTime, new_start);
2580 if (change_length) {
2581 note_diff_add_change (event, MidiModel::NoteDiffCommand::Length, new_length);
2585 void
2586 MidiRegionView::change_note_time (CanvasNoteEvent* event, Evoral::MusicalTime delta, bool relative)
2588 Evoral::MusicalTime new_time;
2590 if (relative) {
2591 if (delta < 0.0) {
2592 if (event->note()->time() < -delta) {
2593 new_time = 0;
2594 } else {
2595 new_time = event->note()->time() + delta;
2597 } else {
2598 new_time = event->note()->time() + delta;
2600 } else {
2601 new_time = delta;
2604 note_diff_add_change (event, MidiModel::NoteDiffCommand::StartTime, new_time);
2607 void
2608 MidiRegionView::change_note_length (CanvasNoteEvent* event, Evoral::MusicalTime t)
2610 note_diff_add_change (event, MidiModel::NoteDiffCommand::Length, t);
2613 void
2614 MidiRegionView::change_velocities (bool up, bool fine, bool allow_smush)
2616 int8_t delta;
2618 if (_selection.empty()) {
2619 return;
2622 if (fine) {
2623 delta = 1;
2624 } else {
2625 delta = 10;
2628 if (!up) {
2629 delta = -delta;
2632 if (!allow_smush) {
2633 for (Selection::iterator i = _selection.begin(); i != _selection.end(); ++i) {
2634 if ((*i)->note()->velocity() + delta == 0 || (*i)->note()->velocity() + delta == 127) {
2635 return;
2640 start_note_diff_command (_("change velocities"));
2642 for (Selection::iterator i = _selection.begin(); i != _selection.end();) {
2643 Selection::iterator next = i;
2644 ++next;
2645 change_note_velocity (*i, delta, true);
2646 i = next;
2649 apply_diff();
2651 if (!_selection.empty()) {
2652 char buf[24];
2653 snprintf (buf, sizeof (buf), "Vel %d",
2654 (int) (*_selection.begin())->note()->velocity());
2655 show_verbose_cursor (buf, 10, 10);
2660 void
2661 MidiRegionView::transpose (bool up, bool fine, bool allow_smush)
2663 if (_selection.empty()) {
2664 return;
2667 int8_t delta;
2669 if (fine) {
2670 delta = 1;
2671 } else {
2672 delta = 12;
2675 if (!up) {
2676 delta = -delta;
2679 if (!allow_smush) {
2680 for (Selection::iterator i = _selection.begin(); i != _selection.end(); ++i) {
2681 if (!up) {
2682 if ((int8_t) (*i)->note()->note() + delta <= 0) {
2683 return;
2685 } else {
2686 if ((int8_t) (*i)->note()->note() + delta > 127) {
2687 return;
2693 start_note_diff_command (_("transpose"));
2695 for (Selection::iterator i = _selection.begin(); i != _selection.end(); ) {
2696 Selection::iterator next = i;
2697 ++next;
2698 change_note_note (*i, delta, true);
2699 i = next;
2702 apply_diff ();
2705 void
2706 MidiRegionView::change_note_lengths (bool fine, bool shorter, Evoral::MusicalTime delta, bool start, bool end)
2708 if (delta == 0.0) {
2709 if (fine) {
2710 delta = 1.0/128.0;
2711 } else {
2712 /* grab the current grid distance */
2713 bool success;
2714 delta = trackview.editor().get_grid_type_as_beats (success, _region->position());
2715 if (!success) {
2716 /* XXX cannot get grid type as beats ... should always be possible ... FIX ME */
2717 cerr << "Grid type not available as beats - TO BE FIXED\n";
2718 return;
2723 if (shorter) {
2724 delta = -delta;
2727 start_note_diff_command (_("change note lengths"));
2729 for (Selection::iterator i = _selection.begin(); i != _selection.end(); ) {
2730 Selection::iterator next = i;
2731 ++next;
2733 /* note the negation of the delta for start */
2735 trim_note (*i, (start ? -delta : 0), (end ? delta : 0));
2736 i = next;
2739 apply_diff ();
2743 void
2744 MidiRegionView::nudge_notes (bool forward)
2746 if (_selection.empty()) {
2747 return;
2750 /* pick a note as the point along the timeline to get the nudge distance.
2751 its not necessarily the earliest note, so we may want to pull the notes out
2752 into a vector and sort before using the first one.
2755 framepos_t ref_point = _region->position() + beats_to_frames ((*(_selection.begin()))->note()->time());
2756 framepos_t unused;
2757 framepos_t distance;
2759 if (trackview.editor().snap_mode() == Editing::SnapOff) {
2761 /* grid is off - use nudge distance */
2763 distance = trackview.editor().get_nudge_distance (ref_point, unused);
2765 } else {
2767 /* use grid */
2769 framepos_t next_pos = ref_point;
2771 if (forward) {
2772 if (max_framepos - 1 < next_pos) {
2773 next_pos += 1;
2775 } else {
2776 if (next_pos == 0) {
2777 return;
2779 next_pos -= 1;
2782 trackview.editor().snap_to (next_pos, (forward ? 1 : -1), false);
2783 distance = ref_point - next_pos;
2786 if (distance == 0) {
2787 return;
2790 Evoral::MusicalTime delta = frames_to_beats (fabs (distance));
2792 if (!forward) {
2793 delta = -delta;
2796 start_note_diff_command (_("nudge"));
2798 for (Selection::iterator i = _selection.begin(); i != _selection.end(); ) {
2799 Selection::iterator next = i;
2800 ++next;
2801 change_note_time (*i, delta, true);
2802 i = next;
2805 apply_diff ();
2808 void
2809 MidiRegionView::change_channel(uint8_t channel)
2811 start_note_diff_command(_("change channel"));
2812 for (Selection::iterator i = _selection.begin(); i != _selection.end(); ++i) {
2813 note_diff_add_change (*i, MidiModel::NoteDiffCommand::Channel, channel);
2816 apply_diff();
2820 void
2821 MidiRegionView::note_entered(ArdourCanvas::CanvasNoteEvent* ev)
2823 Editor* editor = dynamic_cast<Editor*>(&trackview.editor());
2825 _pre_enter_cursor = editor->get_canvas_cursor ();
2827 if (_mouse_state == SelectTouchDragging) {
2828 note_selected (ev, true);
2831 show_verbose_cursor (ev->note ());
2834 void
2835 MidiRegionView::note_left (ArdourCanvas::CanvasNoteEvent*)
2837 Editor* editor = dynamic_cast<Editor*>(&trackview.editor());
2839 for (Selection::iterator i = _selection.begin(); i != _selection.end(); ++i) {
2840 (*i)->hide_velocity ();
2843 editor->verbose_cursor()->hide ();
2845 if (_pre_enter_cursor) {
2846 editor->set_canvas_cursor (_pre_enter_cursor);
2847 _pre_enter_cursor = 0;
2851 void
2852 MidiRegionView::patch_entered (ArdourCanvas::CanvasPatchChange* ev)
2854 ostringstream s;
2855 s << ((int) ev->patch()->program() + 1) << ":" << (ev->patch()->bank() + 1);
2856 show_verbose_cursor (s.str(), 10, 20);
2859 void
2860 MidiRegionView::patch_left (ArdourCanvas::CanvasPatchChange *)
2862 trackview.editor().verbose_cursor()->hide ();
2865 void
2866 MidiRegionView::note_mouse_position (float x_fraction, float /*y_fraction*/, bool can_set_cursor)
2868 Editor* editor = dynamic_cast<Editor*>(&trackview.editor());
2870 if (x_fraction > 0.0 && x_fraction < 0.25) {
2871 editor->set_canvas_cursor (editor->cursors()->left_side_trim);
2872 } else if (x_fraction >= 0.75 && x_fraction < 1.0) {
2873 editor->set_canvas_cursor (editor->cursors()->right_side_trim);
2874 } else {
2875 if (_pre_enter_cursor && can_set_cursor) {
2876 editor->set_canvas_cursor (_pre_enter_cursor);
2881 void
2882 MidiRegionView::set_frame_color()
2884 uint32_t f;
2886 TimeAxisViewItem::set_frame_color ();
2888 if (!frame) {
2889 return;
2892 if (_selected) {
2893 f = ARDOUR_UI::config()->canvasvar_SelectedFrameBase.get();
2894 } else if (high_enough_for_name) {
2895 f= ARDOUR_UI::config()->canvasvar_MidiFrameBase.get();
2896 } else {
2897 f = fill_color;
2900 if (!rect_visible) {
2901 f = UINT_RGBA_CHANGE_A (f, 0);
2904 frame->property_fill_color_rgba() = f;
2907 void
2908 MidiRegionView::midi_channel_mode_changed(ChannelMode mode, uint16_t mask)
2910 switch (mode) {
2911 case AllChannels:
2912 case FilterChannels:
2913 _force_channel = -1;
2914 break;
2915 case ForceChannel:
2916 _force_channel = mask;
2917 mask = 0xFFFF; // Show all notes as active (below)
2920 // Update notes for selection
2921 for (Events::iterator i = _events.begin(); i != _events.end(); ++i) {
2922 (*i)->on_channel_selection_change(mask);
2925 _last_channel_selection = mask;
2927 _patch_changes.clear ();
2928 display_patch_changes ();
2931 void
2932 MidiRegionView::midi_patch_settings_changed(std::string model, std::string custom_device_mode)
2934 _model_name = model;
2935 _custom_device_mode = custom_device_mode;
2936 redisplay_model();
2939 void
2940 MidiRegionView::cut_copy_clear (Editing::CutCopyOp op)
2942 if (_selection.empty()) {
2943 return;
2946 PublicEditor& editor (trackview.editor());
2948 switch (op) {
2949 case Cut:
2950 case Copy:
2951 editor.get_cut_buffer().add (selection_as_cut_buffer());
2952 break;
2953 default:
2954 break;
2957 if (op != Copy) {
2959 start_note_diff_command();
2961 for (Selection::iterator i = _selection.begin(); i != _selection.end(); ++i) {
2962 switch (op) {
2963 case Copy:
2964 break;
2965 case Cut:
2966 case Clear:
2967 note_diff_remove_note (*i);
2968 break;
2972 apply_diff();
2976 MidiCutBuffer*
2977 MidiRegionView::selection_as_cut_buffer () const
2979 Notes notes;
2981 for (Selection::iterator i = _selection.begin(); i != _selection.end(); ++i) {
2982 NoteType* n = (*i)->note().get();
2983 notes.insert (boost::shared_ptr<NoteType> (new NoteType (*n)));
2986 MidiCutBuffer* cb = new MidiCutBuffer (trackview.session());
2987 cb->set (notes);
2989 return cb;
2992 /** This method handles undo */
2993 void
2994 MidiRegionView::paste (framepos_t pos, float times, const MidiCutBuffer& mcb)
2996 if (mcb.empty()) {
2997 return;
3000 DEBUG_TRACE (DEBUG::CutNPaste, string_compose ("MIDI paste @ %1 times %2\n", pos, times));
3002 trackview.session()->begin_reversible_command (_("paste"));
3004 start_note_diff_command (_("paste"));
3006 Evoral::MusicalTime beat_delta;
3007 Evoral::MusicalTime paste_pos_beats;
3008 Evoral::MusicalTime duration;
3009 Evoral::MusicalTime end_point = 0;
3011 duration = (*mcb.notes().rbegin())->end_time() - (*mcb.notes().begin())->time();
3012 paste_pos_beats = frames_to_beats (pos - _region->position());
3013 beat_delta = (*mcb.notes().begin())->time() - paste_pos_beats;
3014 paste_pos_beats = 0;
3016 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",
3017 (*mcb.notes().begin())->time(),
3018 (*mcb.notes().rbegin())->end_time(),
3019 duration, pos, _region->position(),
3020 paste_pos_beats, beat_delta));
3022 clear_selection ();
3024 for (int n = 0; n < (int) times; ++n) {
3026 for (Notes::const_iterator i = mcb.notes().begin(); i != mcb.notes().end(); ++i) {
3028 boost::shared_ptr<NoteType> copied_note (new NoteType (*((*i).get())));
3029 copied_note->set_time (paste_pos_beats + copied_note->time() - beat_delta);
3031 /* make all newly added notes selected */
3033 note_diff_add_note (copied_note, true);
3034 end_point = copied_note->end_time();
3037 paste_pos_beats += duration;
3040 /* if we pasted past the current end of the region, extend the region */
3042 framepos_t end_frame = _region->position() + beats_to_frames (end_point);
3043 framepos_t region_end = _region->position() + _region->length() - 1;
3045 if (end_frame > region_end) {
3047 DEBUG_TRACE (DEBUG::CutNPaste, string_compose ("Paste extended region from %1 to %2\n", region_end, end_frame));
3049 _region->clear_changes ();
3050 _region->set_length (end_frame, this);
3051 trackview.session()->add_command (new StatefulDiffCommand (_region));
3054 apply_diff (true);
3056 trackview.session()->commit_reversible_command ();
3059 struct EventNoteTimeEarlyFirstComparator {
3060 bool operator() (CanvasNoteEvent* a, CanvasNoteEvent* b) {
3061 return a->note()->time() < b->note()->time();
3065 void
3066 MidiRegionView::time_sort_events ()
3068 if (!_sort_needed) {
3069 return;
3072 EventNoteTimeEarlyFirstComparator cmp;
3073 _events.sort (cmp);
3075 _sort_needed = false;
3078 void
3079 MidiRegionView::goto_next_note ()
3081 // framepos_t pos = -1;
3082 bool use_next = false;
3084 if (_events.back()->selected()) {
3085 return;
3088 time_sort_events ();
3090 for (Events::iterator i = _events.begin(); i != _events.end(); ++i) {
3091 if ((*i)->selected()) {
3092 use_next = true;
3093 continue;
3094 } else if (use_next) {
3095 unique_select (*i);
3096 // pos = _region->position() + beats_to_frames ((*i)->note()->time());
3097 return;
3101 /* use the first one */
3103 unique_select (_events.front());
3107 void
3108 MidiRegionView::goto_previous_note ()
3110 // framepos_t pos = -1;
3111 bool use_next = false;
3113 if (_events.front()->selected()) {
3114 return;
3117 time_sort_events ();
3119 for (Events::reverse_iterator i = _events.rbegin(); i != _events.rend(); ++i) {
3120 if ((*i)->selected()) {
3121 use_next = true;
3122 continue;
3123 } else if (use_next) {
3124 unique_select (*i);
3125 // pos = _region->position() + beats_to_frames ((*i)->note()->time());
3126 return;
3130 /* use the last one */
3132 unique_select (*(_events.rbegin()));
3135 void
3136 MidiRegionView::selection_as_notelist (Notes& selected, bool allow_all_if_none_selected)
3138 bool had_selected = false;
3140 time_sort_events ();
3142 for (Events::iterator i = _events.begin(); i != _events.end(); ++i) {
3143 if ((*i)->selected()) {
3144 selected.insert ((*i)->note());
3145 had_selected = true;
3149 if (allow_all_if_none_selected && !had_selected) {
3150 for (Events::iterator i = _events.begin(); i != _events.end(); ++i) {
3151 selected.insert ((*i)->note());
3156 void
3157 MidiRegionView::update_ghost_note (double x, double y)
3159 MidiTimeAxisView* const mtv = dynamic_cast<MidiTimeAxisView*>(&trackview);
3161 _last_ghost_x = x;
3162 _last_ghost_y = y;
3164 _note_group->w2i (x, y);
3165 framepos_t const f = snap_pixel_to_frame (x);
3167 bool success;
3168 Evoral::MusicalTime beats = trackview.editor().get_grid_type_as_beats (success, f);
3170 if (!success) {
3171 beats = 1;
3174 double length = frames_to_beats (snap_frame_to_frame (f + beats_to_frames (beats)) - f);
3176 _ghost_note->note()->set_time (frames_to_beats (f + _region->start()));
3177 _ghost_note->note()->set_length (length);
3178 _ghost_note->note()->set_note (midi_stream_view()->y_to_note (y));
3179 _ghost_note->note()->set_channel (mtv->get_channel_for_add ());
3181 /* the ghost note does not appear in ghost regions, so pass false in here */
3182 update_note (_ghost_note, false);
3184 show_verbose_cursor (_ghost_note->note ());
3187 void
3188 MidiRegionView::create_ghost_note (double x, double y)
3190 delete _ghost_note;
3191 _ghost_note = 0;
3193 boost::shared_ptr<NoteType> g (new NoteType);
3194 _ghost_note = new NoEventCanvasNote (*this, *_note_group, g);
3195 _ghost_note->property_outline_color_rgba() = 0x000000aa;
3196 update_ghost_note (x, y);
3197 _ghost_note->show ();
3199 _last_ghost_x = x;
3200 _last_ghost_y = y;
3202 show_verbose_cursor (_ghost_note->note ());
3205 void
3206 MidiRegionView::snap_changed ()
3208 if (!_ghost_note) {
3209 return;
3212 create_ghost_note (_last_ghost_x, _last_ghost_y);
3215 void
3216 MidiRegionView::drop_down_keys ()
3218 _mouse_state = None;
3221 void
3222 MidiRegionView::maybe_select_by_position (GdkEventButton* ev, double /*x*/, double y)
3224 double note = midi_stream_view()->y_to_note(y);
3225 Events e;
3226 MidiTimeAxisView* const mtv = dynamic_cast<MidiTimeAxisView*>(&trackview);
3228 uint16_t chn_mask = mtv->channel_selector().get_selected_channels();
3230 if (Keyboard::modifier_state_equals (ev->state, Keyboard::TertiaryModifier)) {
3231 get_events (e, Evoral::Sequence<Evoral::MusicalTime>::PitchGreaterThanOrEqual, (uint8_t) floor (note), chn_mask);
3232 } else if (Keyboard::modifier_state_equals (ev->state, Keyboard::PrimaryModifier)) {
3233 get_events (e, Evoral::Sequence<Evoral::MusicalTime>::PitchLessThanOrEqual, (uint8_t) floor (note), chn_mask);
3234 } else {
3235 return;
3238 bool add_mrv_selection = false;
3240 if (_selection.empty()) {
3241 add_mrv_selection = true;
3244 for (Events::iterator i = e.begin(); i != e.end(); ++i) {
3245 if (_selection.insert (*i).second) {
3246 (*i)->set_selected (true);
3250 if (add_mrv_selection) {
3251 PublicEditor& editor (trackview.editor());
3252 editor.get_selection().add (this);
3256 void
3257 MidiRegionView::color_handler ()
3259 RegionView::color_handler ();
3261 for (Events::iterator i = _events.begin(); i != _events.end(); ++i) {
3262 (*i)->set_selected ((*i)->selected()); // will change color
3265 /* XXX probably more to do here */
3268 void
3269 MidiRegionView::enable_display (bool yn)
3271 RegionView::enable_display (yn);
3272 if (yn) {
3273 redisplay_model ();
3277 void
3278 MidiRegionView::show_step_edit_cursor (Evoral::MusicalTime pos)
3280 if (_step_edit_cursor == 0) {
3281 ArdourCanvas::Group* const group = (ArdourCanvas::Group*)get_canvas_group();
3283 _step_edit_cursor = new ArdourCanvas::SimpleRect (*group);
3284 _step_edit_cursor->property_y1() = 0;
3285 _step_edit_cursor->property_y2() = midi_stream_view()->contents_height();
3286 _step_edit_cursor->property_fill_color_rgba() = RGBA_TO_UINT (45,0,0,90);
3287 _step_edit_cursor->property_outline_color_rgba() = RGBA_TO_UINT (85,0,0,90);
3290 move_step_edit_cursor (pos);
3291 _step_edit_cursor->show ();
3294 void
3295 MidiRegionView::move_step_edit_cursor (Evoral::MusicalTime pos)
3297 _step_edit_cursor_position = pos;
3299 if (_step_edit_cursor) {
3300 double pixel = trackview.editor().frame_to_pixel (beats_to_frames (pos));
3301 _step_edit_cursor->property_x1() = pixel;
3302 set_step_edit_cursor_width (_step_edit_cursor_width);
3306 void
3307 MidiRegionView::hide_step_edit_cursor ()
3309 if (_step_edit_cursor) {
3310 _step_edit_cursor->hide ();
3314 void
3315 MidiRegionView::set_step_edit_cursor_width (Evoral::MusicalTime beats)
3317 _step_edit_cursor_width = beats;
3319 if (_step_edit_cursor) {
3320 _step_edit_cursor->property_x2() = _step_edit_cursor->property_x1() + trackview.editor().frame_to_pixel (beats_to_frames (beats));
3324 /** Called when a diskstream on our track has received some data. Update the view, if applicable.
3325 * @param buf Data that has been recorded.
3326 * @param w Source that this data will end up in.
3328 void
3329 MidiRegionView::data_recorded (boost::shared_ptr<MidiBuffer> buf, boost::weak_ptr<MidiSource> w)
3331 if (!_active_notes) {
3332 /* we aren't actively being recorded to */
3333 return;
3336 boost::shared_ptr<MidiSource> src = w.lock ();
3337 if (!src || src != midi_region()->midi_source()) {
3338 /* recorded data was not destined for our source */
3339 return;
3342 MidiTimeAxisView* mtv = dynamic_cast<MidiTimeAxisView*> (&trackview);
3343 BeatsFramesConverter converter (trackview.session()->tempo_map(), mtv->midi_track()->get_capture_start_frame (0));
3345 framepos_t back = max_framepos;
3347 for (MidiBuffer::iterator i = buf->begin(); i != buf->end(); ++i) {
3348 Evoral::MIDIEvent<MidiBuffer::TimeType> const ev (*i, false);
3349 assert (ev.buffer ());
3351 Evoral::MusicalTime const time_beats = converter.from (ev.time () - converter.origin_b ());
3353 if (ev.type() == MIDI_CMD_NOTE_ON) {
3355 boost::shared_ptr<NoteType> note (
3356 new NoteType (ev.channel(), time_beats, 0, ev.note(), ev.velocity())
3359 add_note (note, true);
3361 /* fix up our note range */
3362 if (ev.note() < _current_range_min) {
3363 midi_stream_view()->apply_note_range (ev.note(), _current_range_max, true);
3364 } else if (ev.note() > _current_range_max) {
3365 midi_stream_view()->apply_note_range (_current_range_min, ev.note(), true);
3368 } else if (ev.type() == MIDI_CMD_NOTE_OFF) {
3369 resolve_note (ev.note (), time_beats);
3372 back = ev.time ();
3375 midi_stream_view()->check_record_layers (region(), back);
3378 void
3379 MidiRegionView::trim_front_starting ()
3381 /* Reparent the note group to the region view's parent, so that it doesn't change
3382 when the region view is trimmed.
3384 _temporary_note_group = new ArdourCanvas::Group (*group->property_parent ());
3385 _temporary_note_group->move (group->property_x(), group->property_y());
3386 _note_group->reparent (*_temporary_note_group);
3389 void
3390 MidiRegionView::trim_front_ending ()
3392 _note_group->reparent (*group);
3393 delete _temporary_note_group;
3394 _temporary_note_group = 0;
3396 if (_region->start() < 0) {
3397 /* Trim drag made start time -ve; fix this */
3398 midi_region()->fix_negative_start ();
3402 void
3403 MidiRegionView::edit_patch_change (ArdourCanvas::CanvasPatchChange* pc)
3405 PatchChangeDialog d (&_time_converter, trackview.session(), *pc->patch (), Gtk::Stock::APPLY);
3406 if (d.run () != Gtk::RESPONSE_ACCEPT) {
3407 return;
3410 change_patch_change (pc->patch(), d.patch ());
3414 void
3415 MidiRegionView::show_verbose_cursor (boost::shared_ptr<NoteType> n) const
3417 char buf[24];
3418 snprintf (buf, sizeof (buf), "%s (%d) Chn %d\nVel %d",
3419 Evoral::midi_note_name (n->note()).c_str(),
3420 (int) n->note (),
3421 (int) n->channel() + 1,
3422 (int) n->velocity());
3424 show_verbose_cursor (buf, 10, 20);
3427 void
3428 MidiRegionView::show_verbose_cursor (string const & text, double xoffset, double yoffset) const
3430 double wx, wy;
3432 trackview.editor().get_pointer_position (wx, wy);
3434 wx += xoffset;
3435 wy += yoffset;
3437 trackview.editor().verbose_cursor()->set (text, wx, wy);
3438 trackview.editor().verbose_cursor()->show ();