2 Copyright (C) 2001-2007 Paul Davis
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.
26 #include <gtkmm2ext/gtk_ui.h>
28 #include <sigc++/signal.h>
30 #include <ardour/playlist.h>
31 #include <ardour/tempo.h>
32 #include <ardour/midi_region.h>
33 #include <ardour/midi_source.h>
34 #include <ardour/midi_diskstream.h>
35 #include <ardour/midi_events.h>
36 #include <ardour/midi_model.h>
38 #include "streamview.h"
39 #include "midi_region_view.h"
40 #include "midi_streamview.h"
41 #include "midi_time_axis.h"
42 #include "simplerect.h"
43 #include "simpleline.h"
44 #include "canvas-hit.h"
45 #include "public_editor.h"
46 #include "ghostregion.h"
47 #include "midi_time_axis.h"
48 #include "automation_time_axis.h"
49 #include "automation_region_view.h"
51 #include "midi_util.h"
52 #include "gui_thread.h"
58 using namespace ARDOUR;
60 using namespace Editing;
61 using namespace ArdourCanvas;
63 MidiRegionView::MidiRegionView (ArdourCanvas::Group *parent, RouteTimeAxisView &tv, boost::shared_ptr<MidiRegion> r, double spu, Gdk::Color& basic_color)
64 : RegionView (parent, tv, r, spu, basic_color)
65 , _default_note_length(0.0)
67 , _note_group(new ArdourCanvas::Group(*parent))
68 , _delta_command(NULL)
72 _note_group->raise_to_top();
75 MidiRegionView::MidiRegionView (ArdourCanvas::Group *parent, RouteTimeAxisView &tv, boost::shared_ptr<MidiRegion> r, double spu, Gdk::Color& basic_color, TimeAxisViewItem::Visibility visibility)
76 : RegionView (parent, tv, r, spu, basic_color, visibility)
77 , _default_note_length(0.0)
79 , _note_group(new ArdourCanvas::Group(*parent))
80 , _delta_command(NULL)
84 _note_group->raise_to_top();
88 MidiRegionView::init (Gdk::Color& basic_color, bool wfd)
91 midi_region()->midi_source(0)->load_model();
93 const Meter& m = trackview.session().tempo_map().meter_at(_region->position());
94 const Tempo& t = trackview.session().tempo_map().tempo_at(_region->position());
95 _default_note_length = m.frames_per_bar(t, trackview.session().frame_rate())
98 _model = midi_region()->midi_source(0)->model();
99 _enable_display = false;
101 RegionView::init(basic_color, false);
103 compute_colors (basic_color);
105 reset_width_dependent_items ((double) _region->length() / samples_per_unit);
107 set_y_position_and_height (0, trackview.height);
110 region_resized (BoundsChanged);
113 _region->StateChanged.connect (mem_fun(*this, &MidiRegionView::region_changed));
117 _enable_display = true;
123 _model->ContentsChanged.connect(sigc::mem_fun(this, &MidiRegionView::redisplay_model));
126 midi_region()->midi_source(0)->Switched.connect(sigc::mem_fun(this, &MidiRegionView::switch_source));
128 group->signal_event().connect (mem_fun (this, &MidiRegionView::canvas_event), false);
133 MidiRegionView::canvas_event(GdkEvent* ev)
135 static bool delete_mod = false;
136 static Editing::MidiEditMode original_mode;
138 static double drag_start_x, drag_start_y;
139 static double last_x, last_y;
140 double event_x, event_y;
141 nframes_t event_frame = 0;
143 static ArdourCanvas::SimpleRect* drag_rect = NULL;
145 if (trackview.editor.current_mouse_mode() != MouseNote)
152 if (ev->key.keyval == GDK_Delete && !delete_mod) {
154 original_mode = trackview.editor.current_midi_edit_mode();
155 trackview.editor.set_midi_edit_mode(MidiEditErase);
156 start_remove_command();
157 _mouse_state = EraseTouchDragging;
158 } else if (ev->key.keyval == GDK_Shift_L || ev->key.keyval == GDK_Control_L) {
159 _mouse_state = SelectTouchDragging;
163 case GDK_KEY_RELEASE:
164 if (ev->key.keyval == GDK_Delete) {
165 if (_mouse_state == EraseTouchDragging) {
170 trackview.editor.set_midi_edit_mode(original_mode);
173 } else if (ev->key.keyval == GDK_Shift_L || ev->key.keyval == GDK_Control_L) {
178 case GDK_BUTTON_PRESS:
179 if (_mouse_state != SelectTouchDragging && _mouse_state != EraseTouchDragging)
180 _mouse_state = Pressed;
181 _pressed_button = ev->button.button;
184 case GDK_ENTER_NOTIFY:
185 /* FIXME: do this on switch to note tool, too, if the pointer is already in */
186 Keyboard::magic_widget_grab_focus();
190 case GDK_MOTION_NOTIFY:
191 event_x = ev->motion.x;
192 event_y = ev->motion.y;
193 group->w2i(event_x, event_y);
195 event_frame = trackview.editor.pixel_to_frame(event_x);
196 trackview.editor.snap_to(event_frame);
198 switch (_mouse_state) {
199 case Pressed: // Drag start
202 if (_pressed_button == 1 && trackview.editor.current_midi_edit_mode() == MidiEditSelect) {
203 group->grab(GDK_POINTER_MOTION_MASK | GDK_BUTTON_RELEASE_MASK,
204 Gdk::Cursor(Gdk::FLEUR), ev->motion.time);
207 drag_start_x = event_x;
208 drag_start_y = event_y;
210 drag_rect = new ArdourCanvas::SimpleRect(*group);
211 drag_rect->property_x1() = event_x;
212 drag_rect->property_y1() = event_y;
213 drag_rect->property_x2() = event_x;
214 drag_rect->property_y2() = event_y;
215 drag_rect->property_outline_what() = 0xFF;
216 drag_rect->property_outline_color_rgba()
217 = ARDOUR_UI::config()->canvasvar_MidiSelectRectOutline.get();
218 drag_rect->property_fill_color_rgba()
219 = ARDOUR_UI::config()->canvasvar_MidiSelectRectFill.get();
221 _mouse_state = SelectRectDragging;
224 // Add note drag start
225 } else if (trackview.editor.current_midi_edit_mode() == MidiEditPencil) {
226 group->grab(GDK_POINTER_MOTION_MASK | GDK_BUTTON_RELEASE_MASK,
227 Gdk::Cursor(Gdk::FLEUR), ev->motion.time);
230 drag_start_x = event_x;
231 drag_start_y = event_y;
233 drag_rect = new ArdourCanvas::SimpleRect(*group);
234 drag_rect->property_x1() = trackview.editor.frame_to_pixel(event_frame);
236 drag_rect->property_y1() = midi_stream_view()->note_to_y(midi_stream_view()->y_to_note(event_y));
237 drag_rect->property_x2() = event_x;
238 drag_rect->property_y2() = drag_rect->property_y1() + floor(midi_stream_view()->note_height());
239 drag_rect->property_outline_what() = 0xFF;
240 drag_rect->property_outline_color_rgba() = 0xFFFFFF99;
242 drag_rect->property_fill_color_rgba() = 0xFFFFFF66;
244 _mouse_state = AddDragging;
250 case SelectRectDragging: // Select drag motion
251 case AddDragging: // Add note drag motion
252 if (ev->motion.is_hint) {
255 GdkModifierType state;
256 gdk_window_get_pointer(ev->motion.window, &t_x, &t_y, &state);
261 if (_mouse_state == AddDragging)
262 event_x = trackview.editor.frame_to_pixel(event_frame);
265 if (event_x > drag_start_x)
266 drag_rect->property_x2() = event_x;
268 drag_rect->property_x1() = event_x;
270 if (drag_rect && _mouse_state == SelectRectDragging) {
271 if (event_y > drag_start_y)
272 drag_rect->property_y2() = event_y;
274 drag_rect->property_y1() = event_y;
276 update_drag_selection(drag_start_x, event_x, drag_start_y, event_y);
282 case EraseTouchDragging:
283 case SelectTouchDragging:
291 case GDK_BUTTON_RELEASE:
292 event_x = ev->motion.x;
293 event_y = ev->motion.y;
294 group->w2i(event_x, event_y);
295 group->ungrab(ev->button.time);
296 event_frame = trackview.editor.pixel_to_frame(event_x);
298 switch (_mouse_state) {
299 case Pressed: // Clicked
300 switch (trackview.editor.current_midi_edit_mode()) {
305 trackview.editor.snap_to(event_frame, -1);
306 event_x = trackview.editor.frame_to_pixel(event_frame);
307 create_note_at(event_x, event_y, _default_note_length);
313 case SelectRectDragging: // Select drag done
318 case AddDragging: // Add drag done
320 if (drag_rect->property_x2() > drag_rect->property_x1() + 2) {
321 create_note_at(drag_rect->property_x1(), drag_rect->property_y1(),
322 trackview.editor.pixel_to_frame(
323 drag_rect->property_x2() - drag_rect->property_x1()));
341 /** Add a note to the model, and the view, at a canvas (click) coordinate */
343 MidiRegionView::create_note_at(double x, double y, double dur)
345 MidiTimeAxisView* const mtv = dynamic_cast<MidiTimeAxisView*>(&trackview);
346 MidiStreamView* const view = mtv->midi_view();
348 double note = midi_stream_view()->y_to_note(y);
351 assert(note <= 127.0);
353 const nframes_t stamp = trackview.editor.pixel_to_frame (x);
355 //assert(stamp <= _region->length());
357 //const Meter& m = trackview.session().tempo_map().meter_at(stamp);
358 //const Tempo& t = trackview.session().tempo_map().tempo_at(stamp);
359 //double dur = m.frames_per_bar(t, trackview.session().frame_rate()) / m.beats_per_bar();
361 // Add a 1 beat long note (for now)
362 const boost::shared_ptr<Note> new_note(new Note(stamp, dur, (uint8_t)note, 0x40));
364 view->update_bounds(new_note->note());
366 MidiModel::DeltaCommand* cmd = _model->new_delta_command("add note");
368 _model->apply_command(cmd);
370 //add_note(new_note);
375 MidiRegionView::clear_events()
377 for (std::vector<CanvasMidiEvent*>::iterator i = _events.begin(); i != _events.end(); ++i)
385 MidiRegionView::display_model(boost::shared_ptr<MidiModel> model)
395 MidiRegionView::redisplay_model()
397 // Don't redisplay the model if we're currently recording and displaying that
408 for (size_t i=0; i < _model->n_notes(); ++i)
409 add_note(_model->note_at(i));
413 /*for (Automatable::Controls::const_iterator i = _model->controls().begin();
414 i != _model->controls().end(); ++i) {
418 boost::shared_ptr<AutomationTimeAxisView> at
419 = midi_view()->automation_child(i->second->parameter());
423 Gdk::Color col = midi_stream_view()->get_region_color();
425 boost::shared_ptr<AutomationRegionView> arv;
428 Glib::Mutex::Lock list_lock (i->second->list()->lock());
430 arv = boost::shared_ptr<AutomationRegionView>(
431 new AutomationRegionView(at->canvas_display,
432 *at.get(), _region, i->second->list(),
433 midi_stream_view()->get_samples_per_unit(), col));
436 arv->set_duration(_region->length(), this);
437 arv->init(col, true);
439 _automation_children.insert(std::make_pair(i->second->parameter(), arv));
442 _model->read_unlock();
445 cerr << "MidiRegionView::redisplay_model called without a model" << endmsg;
450 MidiRegionView::~MidiRegionView ()
452 in_destructor = true;
458 RegionViewGoingAway (this); /* EMIT_SIGNAL */
463 MidiRegionView::region_resized (Change what_changed)
465 RegionView::region_resized(what_changed);
467 if (what_changed & ARDOUR::PositionChanged) {
472 } else if (what_changed & Change (StartChanged)) {
474 //cerr << "MIDI RV START CHANGED" << endl;
476 } else if (what_changed & Change (LengthChanged)) {
478 //cerr << "MIDI RV LENGTH CHANGED" << endl;
484 MidiRegionView::reset_width_dependent_items (double pixel_width)
486 RegionView::reset_width_dependent_items(pixel_width);
487 assert(_pixel_width == pixel_width);
494 MidiRegionView::set_y_position_and_height (double y, double h)
496 RegionView::set_y_position_and_height(y, h - 1);
498 if (_enable_display) {
502 for (std::vector<CanvasMidiEvent*>::const_iterator i = _events.begin(); i != _events.end(); ++i) {
503 CanvasNote* note = dynamic_cast<CanvasNote*>(*i);
504 if (note && note->note()) {
505 const double y1 = midi_stream_view()->note_to_y(note->note()->note());
506 const double y2 = y1 + floor(midi_stream_view()->note_height());
508 note->property_y1() = y1;
509 note->property_y2() = y2;
513 _model->read_unlock();
517 name_text->raise_to_top();
522 MidiRegionView::add_ghost (AutomationTimeAxisView& atv)
524 RouteTimeAxisView* rtv = dynamic_cast<RouteTimeAxisView*>(&trackview);
527 double unit_position = _region->position () / samples_per_unit;
528 GhostRegion* ghost = new GhostRegion (atv, unit_position);
530 ghost->set_height ();
531 ghost->set_duration (_region->length() / samples_per_unit);
532 ghosts.push_back (ghost);
534 ghost->GoingAway.connect (mem_fun(*this, &MidiRegionView::remove_ghost));
540 /** Begin tracking note state for successive calls to add_event
543 MidiRegionView::begin_write()
545 assert(!_active_notes);
546 _active_notes = new CanvasNote*[128];
547 for (unsigned i=0; i < 128; ++i)
548 _active_notes[i] = NULL;
552 /** Destroy note state for add_event
555 MidiRegionView::end_write()
557 delete[] _active_notes;
558 _active_notes = NULL;
562 /** Resolve an active MIDI note (while recording).
565 MidiRegionView::resolve_note(uint8_t note, double end_time)
567 if (midi_view()->note_mode() != Sustained)
570 if (_active_notes && _active_notes[note]) {
571 _active_notes[note]->property_x2() = trackview.editor.frame_to_pixel((nframes_t)end_time);
572 _active_notes[note]->property_outline_what() = (guint32) 0xF; // all edges
573 _active_notes[note] = NULL;
578 /** Extend active notes to rightmost edge of region (if length is changed)
581 MidiRegionView::extend_active_notes()
586 for (unsigned i=0; i < 128; ++i)
587 if (_active_notes[i])
588 _active_notes[i]->property_x2() = trackview.editor.frame_to_pixel(_region->length());
592 /** Add a MIDI note to the view (with duration).
594 * If in sustained mode, notes with duration 0 will be considered active
595 * notes, and resolve_note should be called when the corresponding note off
596 * event arrives, to properly display the note.
599 MidiRegionView::add_note(const boost::shared_ptr<Note> note)
601 assert(note->time() >= 0);
602 //assert(note->time() < _region->length());
604 ArdourCanvas::Group* const group = (ArdourCanvas::Group*)get_canvas_group();
606 if (midi_view()->note_mode() == Sustained) {
608 //cerr << "MRV::add_note sustained " << note->note() << " @ " << note->time()
609 // << " .. " << note->end_time() << endl;
611 const double y1 = midi_stream_view()->note_to_y(note->note());
613 CanvasNote* ev_rect = new CanvasNote(*this, *group, note);
614 ev_rect->property_x1() = trackview.editor.frame_to_pixel((nframes_t)note->time());
615 ev_rect->property_y1() = y1;
616 if (note->duration() > 0)
617 ev_rect->property_x2() = trackview.editor.frame_to_pixel((nframes_t)(note->end_time()));
619 ev_rect->property_x2() = trackview.editor.frame_to_pixel(_region->length());
620 ev_rect->property_y2() = y1 + floor(midi_stream_view()->note_height());
622 ev_rect->property_fill_color_rgba() = note_fill_color(note->velocity());
623 ev_rect->property_outline_color_rgba() = note_outline_color(note->velocity());
625 if (note->duration() == 0) {
626 _active_notes[note->note()] = ev_rect;
627 /* outline all but right edge */
628 ev_rect->property_outline_what() = (guint32) (0x1 & 0x4 & 0x8);
630 /* outline all edges */
631 ev_rect->property_outline_what() = (guint32) 0xF;
635 _events.push_back(ev_rect);
637 } else if (midi_view()->note_mode() == Percussive) {
639 //cerr << "MRV::add_note percussive " << note->note() << " @ " << note->time() << endl;
641 const double diamond_size = midi_stream_view()->note_height() / 2.0;
642 const double x = trackview.editor.frame_to_pixel((nframes_t)note->time());
643 const double y = midi_stream_view()->note_to_y(note->note()) + ((diamond_size-2) / 4.0);
645 CanvasHit* ev_diamond = new CanvasHit(*this, *group, diamond_size);
646 ev_diamond->move(x, y);
648 ev_diamond->property_fill_color_rgba() = note_fill_color(note->velocity());
649 ev_diamond->property_outline_color_rgba() = note_outline_color(note->velocity());
650 _events.push_back(ev_diamond);
655 MidiRegionView::delete_selection()
657 assert(_delta_command);
659 for (Selection::iterator i = _selection.begin(); i != _selection.end(); ++i)
660 if ((*i)->selected())
661 _delta_command->remove((*i)->note());
667 MidiRegionView::clear_selection_except(ArdourCanvas::CanvasMidiEvent* ev)
669 for (Selection::iterator i = _selection.begin(); i != _selection.end(); ++i)
670 if ((*i)->selected() && (*i) != ev)
671 (*i)->selected(false);
677 MidiRegionView::unique_select(ArdourCanvas::CanvasMidiEvent* ev)
679 for (Selection::iterator i = _selection.begin(); i != _selection.end(); ++i)
681 (*i)->selected(false);
684 _selection.insert(ev);
686 if ( ! ev->selected())
691 MidiRegionView::note_selected(ArdourCanvas::CanvasMidiEvent* ev, bool add)
694 clear_selection_except(ev);
696 _selection.insert(ev);
698 if ( ! ev->selected())
704 MidiRegionView::note_deselected(ArdourCanvas::CanvasMidiEvent* ev, bool add)
707 clear_selection_except(ev);
709 _selection.erase(ev);
717 MidiRegionView::update_drag_selection(double x1, double x2, double y1, double y2)
719 const double last_y = std::min(y1, y2);
720 const double y = std::max(y1, y2);
722 // FIXME: so, so, so much slower than this should be
725 for (std::vector<CanvasMidiEvent*>::iterator i = _events.begin(); i != _events.end(); ++i) {
726 if ((*i)->x1() >= x1 && (*i)->x1() <= x2 && (*i)->y1() >= last_y && (*i)->y1() <= y) {
727 (*i)->selected(true);
728 _selection.insert(*i);
730 (*i)->selected(false);
731 _selection.erase(*i);
735 for (std::vector<CanvasMidiEvent*>::iterator i = _events.begin(); i != _events.end(); ++i) {
736 if ((*i)->x2() <= x1 && (*i)->x2() >= x2 && (*i)->y1() >= last_y && (*i)->y1() <= y) {
737 (*i)->selected(true);
738 _selection.insert(*i);
740 (*i)->selected(false);
741 _selection.erase(*i);
749 MidiRegionView::move_selection(double dx, double dy)
751 for (Selection::iterator i = _selection.begin(); i != _selection.end(); ++i)
752 (*i)->item()->move(dx, dy);
757 MidiRegionView::note_dropped(CanvasMidiEvent* ev, double dt, uint8_t dnote)
759 // TODO: This would be faster/nicer with a MoveCommand that doesn't need to copy...
760 if (_selection.find(ev) != _selection.end()) {
761 start_delta_command();
763 for (Selection::iterator i = _selection.begin(); i != _selection.end(); ++i) {
764 command_remove_note(*i);
765 const boost::shared_ptr<Note> copy(new Note(*(*i)->note().get()));
767 copy->set_time((*i)->note()->time() + dt);
768 copy->set_note((*i)->note()->note() + dnote);
770 command_add_note(copy);
778 MidiRegionView::note_entered(ArdourCanvas::CanvasMidiEvent* ev)
780 if (ev->note() && _mouse_state == EraseTouchDragging) {
781 start_delta_command();
783 _delta_command->remove(ev->note());
784 } else if (_mouse_state == SelectTouchDragging) {
785 note_selected(ev, true);
791 MidiRegionView::switch_source(boost::shared_ptr<Source> src)
793 boost::shared_ptr<MidiSource> msrc = boost::dynamic_pointer_cast<MidiSource>(src);
795 display_model(msrc->model());