2 Copyright (C) 2001-2007 Paul Davis
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
25 #include <gtkmm2ext/gtk_ui.h>
27 #include "ardour/midi_diskstream.h"
28 #include "ardour/midi_playlist.h"
29 #include "ardour/midi_region.h"
30 #include "ardour/midi_source.h"
31 #include "ardour/midi_track.h"
32 #include "ardour/region_factory.h"
33 #include "ardour/smf_source.h"
34 #include "ardour/session.h"
36 #include "ardour_ui.h"
37 #include "canvas-simplerect.h"
38 #include "gui_thread.h"
40 #include "midi_region_view.h"
41 #include "midi_streamview.h"
42 #include "midi_time_axis.h"
43 #include "midi_util.h"
44 #include "public_editor.h"
45 #include "region_selection.h"
46 #include "region_view.h"
47 #include "rgb_macros.h"
48 #include "selection.h"
49 #include "simplerect.h"
53 using namespace ARDOUR;
55 using namespace Editing;
57 MidiStreamView::MidiStreamView (MidiTimeAxisView& tv)
59 , note_range_adjustment(0.0f, 0.0f, 0.0f)
61 , _range_sum_cache(-1.0)
68 stream_base_color = ARDOUR_UI::config()->canvasvar_MidiTrackBase.get();
70 stream_base_color = ARDOUR_UI::config()->canvasvar_MidiBusBase.get();
73 /* use a group dedicated to MIDI underlays. Audio underlays are not in this group. */
74 midi_underlay_group = new ArdourCanvas::Group (*canvas_group);
75 midi_underlay_group->lower_to_bottom();
77 /* put the note lines in the timeaxisview's group, so it
78 can be put below ghost regions from MIDI underlays*/
79 _note_lines = new ArdourCanvas::LineSet(*canvas_group, ArdourCanvas::LineSet::Horizontal);
81 _note_lines->property_x1() = 0;
82 _note_lines->property_y1() = 0;
83 _note_lines->property_x2() = trackview().editor().frame_to_pixel (max_frames);
84 _note_lines->property_y2() = 0;
86 _note_lines->signal_event().connect(sigc::bind(
87 sigc::mem_fun(_trackview.editor(), &PublicEditor::canvas_stream_view_event),
88 _note_lines, &_trackview));
90 _note_lines->lower_to_bottom();
92 ColorsChanged.connect(sigc::mem_fun(*this, &MidiStreamView::draw_note_lines));
94 note_range_adjustment.set_page_size(_highest_note - _lowest_note);
95 note_range_adjustment.set_value(_lowest_note);
97 note_range_adjustment.signal_value_changed().connect(
98 sigc::mem_fun(*this, &MidiStreamView::note_range_adjustment_changed));
101 MidiStreamView::~MidiStreamView ()
106 veto_note_range(uint8_t& min, uint8_t& max)
108 /* Legal notes, thanks */
112 /* Always display at least one octave in [0, 127] */
114 if (min > (127 - 11)) {
117 } else if (max < min + 11) {
118 uint8_t d = 11 - (max - min);
119 if (max + d/2 > 127) {
126 assert(max - min >= 11);
132 MidiStreamView::create_region_view (boost::shared_ptr<Region> r, bool /*wfd*/, bool)
134 boost::shared_ptr<MidiRegion> region = boost::dynamic_pointer_cast<MidiRegion> (r);
140 RegionView* region_view = new MidiRegionView (canvas_group, _trackview, region,
141 _samples_per_unit, region_color);
143 region_view->init (region_color, false);
149 MidiStreamView::add_region_view_internal (boost::shared_ptr<Region> r, bool wfd, bool recording)
151 boost::shared_ptr<MidiRegion> region = boost::dynamic_pointer_cast<MidiRegion> (r);
157 for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
158 if ((*i)->region() == r) {
160 /* great. we already have a MidiRegionView for this Region. use it again. */
162 (*i)->set_valid (true);
164 display_region(dynamic_cast<MidiRegionView*>(*i), wfd);
170 MidiRegionView* region_view = dynamic_cast<MidiRegionView*> (create_region_view (r, wfd, recording));
171 if (region_view == 0) {
175 region_views.push_front (region_view);
177 /* display events and find note range */
178 display_region (region_view, wfd);
180 /* catch regionview going away */
181 region->DropReferences.connect (*this, invalidator (*this), boost::bind (&MidiStreamView::remove_region_view, this, region), gui_context());
183 RegionViewAdded (region_view);
189 MidiStreamView::display_region(MidiRegionView* region_view, bool load_model)
194 region_view->enable_display(true);
196 boost::shared_ptr<MidiSource> source(region_view->midi_region()->midi_source(0));
199 source->load_model();
202 _range_dirty = update_data_note_range(
203 source->model()->lowest_note(),
204 source->model()->highest_note());
206 // Display region contents
207 region_view->set_height(height);
208 region_view->display_model(source->model());
212 MidiStreamView::display_track (boost::shared_ptr<Track> tr)
214 StreamView::display_track (tr);
220 MidiStreamView::update_contents_metrics(boost::shared_ptr<Region> r)
222 boost::shared_ptr<MidiRegion> mr = boost::dynamic_pointer_cast<MidiRegion>(r);
224 mr->midi_source(0)->load_model();
225 _range_dirty = update_data_note_range(
226 mr->model()->lowest_note(),
227 mr->model()->highest_note());
232 MidiStreamView::update_data_note_range(uint8_t min, uint8_t max)
235 if (min < _data_note_min) {
236 _data_note_min = min;
239 if (max > _data_note_max) {
240 _data_note_max = max;
247 MidiStreamView::redisplay_track ()
249 if (!_trackview.is_midi_track()) {
253 list<RegionView*>::iterator i;
255 // Load models if necessary, and find note range of all our contents
256 _range_dirty = false;
257 _data_note_min = 127;
259 _trackview.track()->playlist()->foreach_region(
260 sigc::mem_fun (*this, &StreamView::update_contents_metrics)
263 // No notes, use default range
269 // Extend visible range to show newly recorded data, if necessary
270 _lowest_note = std::min(_lowest_note, _data_note_min);
271 _highest_note = std::max(_highest_note, _data_note_max);
273 veto_note_range(_lowest_note, _highest_note);
275 // Flag region views as invalid and disable drawing
276 for (i = region_views.begin(); i != region_views.end(); ++i) {
277 (*i)->set_valid(false);
278 (*i)->enable_display(false);
281 // Add and display region views, and flag them as valid
282 _trackview.track()->playlist()->foreach_region(
283 sigc::hide_return (sigc::mem_fun (*this, &StreamView::add_region_view))
286 // Stack regions by layer, and remove invalid regions
289 // Update note range (not regions which are correct) and draw note lines
290 apply_note_range(_lowest_note, _highest_note, false);
295 MidiStreamView::update_contents_height ()
297 StreamView::update_contents_height();
298 _note_lines->property_y2() = height;
303 MidiStreamView::draw_note_lines()
306 double prev_y = contents_height();
309 _note_lines->clear();
311 for (int i = lowest_note(); i <= highest_note(); ++i) {
312 y = floor(note_to_y(i));
314 _note_lines->add_line(prev_y, 1.0, ARDOUR_UI::config()->canvasvar_PianoRollBlackOutline.get());
322 color = ARDOUR_UI::config()->canvasvar_PianoRollBlack.get();
325 color = ARDOUR_UI::config()->canvasvar_PianoRollWhite.get();
329 if (i == highest_note()) {
330 _note_lines->add_line(y, prev_y - y, color);
332 _note_lines->add_line(y + 1.0, prev_y - y - 1.0, color);
340 MidiStreamView::set_note_range(VisibleNoteRange r)
342 if (r == FullRange) {
346 _lowest_note = _data_note_min;
347 _highest_note = _data_note_max;
350 apply_note_range(_lowest_note, _highest_note, true);
354 MidiStreamView::apply_note_range(uint8_t lowest, uint8_t highest, bool to_region_views)
356 _highest_note = highest;
357 _lowest_note = lowest;
358 note_range_adjustment.set_page_size(_highest_note - _lowest_note);
359 note_range_adjustment.set_value(_lowest_note);
362 if (to_region_views) {
363 for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
364 ((MidiRegionView*)(*i))->apply_note_range(lowest, highest);
372 MidiStreamView::update_note_range(uint8_t note_num)
374 assert(note_num <= 127);
375 _data_note_min = min(_data_note_min, note_num);
376 _data_note_max = max(_data_note_max, note_num);
380 MidiStreamView::setup_rec_box ()
382 // cerr << _trackview.name() << " streamview SRB\n";
384 if (_trackview.session()->transport_rolling()) {
387 _trackview.session()->record_status() == Session::Recording &&
388 _trackview.track()->record_enabled()) {
390 if (Config->get_show_waveforms_while_recording() && rec_regions.size() == rec_rects.size()) {
392 /* add a new region, but don't bother if they set show-waveforms-while-recording mid-record */
394 MidiRegion::SourceList sources;
396 rec_data_ready_connections.drop_connections ();
398 sources.push_back (_trackview.midi_track()->write_source());
400 _trackview.midi_track()->write_source()->ViewDataRangeReady.connect
401 (rec_data_ready_connections,
403 ui_bind (&MidiStreamView::rec_data_range_ready, this, _1, _2, boost::weak_ptr<Source>(_trackview.midi_track()->write_source())),
409 if (rec_regions.size() > 0) {
410 start = rec_regions.back().first->start()
411 + _trackview.track()->get_captured_frames(rec_regions.size()-1);
416 plist.add (ARDOUR::Properties::start, start);
417 plist.add (ARDOUR::Properties::length, 1);
418 plist.add (ARDOUR::Properties::name, string());
419 plist.add (ARDOUR::Properties::layer, 0);
421 boost::shared_ptr<MidiRegion> region (boost::dynamic_pointer_cast<MidiRegion>
422 (RegionFactory::create (sources, plist, false)));
425 region->block_property_changes ();
426 region->set_position (_trackview.session()->transport_frame(), this);
427 rec_regions.push_back (make_pair(region, (RegionView*)0));
429 // rec regions are destroyed in setup_rec_box
431 /* we add the region later */
434 /* start a new rec box */
436 boost::shared_ptr<MidiTrack> mt = _trackview.midi_track(); /* we know what it is already */
437 nframes_t frame_pos = mt->current_capture_start ();
438 gdouble xstart = _trackview.editor().frame_to_pixel (frame_pos);
442 assert(_trackview.midi_track()->mode() == Normal);
445 fill_color = ARDOUR_UI::config()->canvasvar_RecordingRect.get();
447 ArdourCanvas::SimpleRect * rec_rect = new Gnome::Canvas::SimpleRect (*canvas_group);
448 rec_rect->property_x1() = xstart;
449 rec_rect->property_y1() = 1.0;
450 rec_rect->property_x2() = xend;
451 rec_rect->property_y2() = (double) _trackview.current_height() - 1;
452 rec_rect->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_RecordingRect.get();
453 rec_rect->property_fill_color_rgba() = fill_color;
454 rec_rect->lower_to_bottom();
457 recbox.rectangle = rec_rect;
458 recbox.start = _trackview.session()->transport_frame();
461 rec_rects.push_back (recbox);
463 screen_update_connection.disconnect();
464 screen_update_connection = ARDOUR_UI::instance()->SuperRapidScreenUpdate.connect (
465 sigc::mem_fun (*this, &MidiStreamView::update_rec_box));
469 } else if (rec_active &&
470 (_trackview.session()->record_status() != Session::Recording ||
471 !_trackview.track()->record_enabled())) {
472 screen_update_connection.disconnect();
474 rec_updating = false;
479 // cerr << "\tNOT rolling, rec_rects = " << rec_rects.size() << " rec_regions = " << rec_regions.size() << endl;
481 if (!rec_rects.empty() || !rec_regions.empty()) {
483 /* disconnect rapid update */
484 screen_update_connection.disconnect();
485 rec_data_ready_connections.drop_connections ();
487 rec_updating = false;
490 /* remove temp regions */
492 for (list<pair<boost::shared_ptr<Region>,RegionView*> >::iterator iter = rec_regions.begin(); iter != rec_regions.end();) {
493 list<pair<boost::shared_ptr<Region>,RegionView*> >::iterator tmp;
498 (*iter).first->drop_references ();
505 // cerr << "\tclear " << rec_rects.size() << " rec rects\n";
507 /* transport stopped, clear boxes */
508 for (vector<RecBoxInfo>::iterator iter=rec_rects.begin(); iter != rec_rects.end(); ++iter) {
509 RecBoxInfo &rect = (*iter);
510 delete rect.rectangle;
520 MidiStreamView::update_rec_regions (boost::shared_ptr<MidiModel> data, nframes_t start, nframes_t dur)
522 ENSURE_GUI_THREAD (*this, &MidiStreamView::update_rec_regions, data, start, dur)
524 if (Config->get_show_waveforms_while_recording ()) {
527 bool update_range = false;
529 for (list<pair<boost::shared_ptr<Region>,RegionView*> >::iterator iter = rec_regions.begin();
530 iter != rec_regions.end(); n++) {
532 list<pair<boost::shared_ptr<Region>,RegionView*> >::iterator tmp = iter;
535 if (!canvas_item_visible (rec_rects[n].rectangle)) {
536 /* rect already hidden, this region is done */
541 boost::shared_ptr<MidiRegion> region = boost::dynamic_pointer_cast<MidiRegion>(iter->first);
547 nframes_t origlen = region->length();
549 if (region == rec_regions.back().first && rec_active) {
551 if (start >= region->midi_source(0)->timeline_position()) {
553 nframes_t nlen = start + dur - region->position();
555 if (nlen != region->length()) {
557 region->suspend_property_changes ();
558 region->set_position (_trackview.track()->get_capture_start_frame(n), this);
559 region->set_length (start + dur - region->position(), this);
560 region->resume_property_changes ();
563 /* our special initial length */
564 iter->second = add_region_view_internal (region, false);
565 ((MidiRegionView*)iter->second)->begin_write();
568 /* also update rect */
569 ArdourCanvas::SimpleRect * rect = rec_rects[n].rectangle;
570 gdouble xend = _trackview.editor().frame_to_pixel (region->position() + region->length());
571 rect->property_x2() = xend;
573 ARDOUR::BeatsFramesConverter tconv(_trackview.session()->tempo_map(), region->position());
574 const MidiModel::TimeType start_beats = tconv.from(start);
577 MidiRegionView* mrv = (MidiRegionView*)iter->second;
579 for (MidiModel::Notes::const_iterator i = data->note_lower_bound(start_beats);
580 i != data->notes().end(); ++i) {
582 const boost::shared_ptr<MidiRegionView::NoteType>& note = *i;
584 nframes_t note_start_frames = tconv.to(note->time());
585 nframes_t note_end_frames = tconv.to(note->end_time());
587 if (note->length() > 0 && note_end_frames + region->position() > start)
588 mrv->resolve_note(note->note(), note_end_frames);
590 if (note_start_frames + region->position() < start) {
594 if (note_start_frames + region->position() > start + dur) {
598 if (note->note() < _lowest_note) {
599 _lowest_note = note->note();
601 } else if (note->note() > _highest_note) {
602 _highest_note = note->note();
606 mrv->add_note (note, !update_range);
609 mrv->extend_active_notes();
615 nframes_t nlen = _trackview.track()->get_captured_frames(n);
617 if (nlen != region->length()) {
619 if (region->source_length(0) >= region->position() + nlen) {
621 region->suspend_property_changes ();
622 region->set_position (_trackview.track()->get_capture_start_frame(n), this);
623 region->set_length (nlen, this);
624 region->resume_property_changes ();
627 /* our special initial length */
628 iter->second = add_region_view_internal (region, false);
632 ArdourCanvas::Item * rect = rec_rects[n].rectangle;
643 update_contents_height();
648 MidiStreamView::rec_data_range_ready (nframes_t start, nframes_t cnt, boost::weak_ptr<Source> weak_src)
650 // this is called from the butler thread for now
652 ENSURE_GUI_THREAD (*this, &MidiStreamView::rec_data_range_ready, start, cnt, weak_src)
654 boost::shared_ptr<SMFSource> src (boost::dynamic_pointer_cast<SMFSource>(weak_src.lock()));
660 if (start + cnt > last_rec_data_frame) {
661 last_rec_data_frame = start + cnt;
664 this->update_rec_regions (src->model(), start, cnt);
668 MidiStreamView::color_handler ()
670 //case cMidiTrackBase:
671 if (_trackview.is_midi_track()) {
672 //canvas_rect->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_MidiTrackBase.get();
676 if (!_trackview.is_midi_track()) {
677 //canvas_rect->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_MidiBusBase.get();;
682 MidiStreamView::note_range_adjustment_changed()
684 double sum = note_range_adjustment.get_value() + note_range_adjustment.get_page_size();
685 int lowest = (int) floor(note_range_adjustment.get_value());
688 if (sum == _range_sum_cache) {
689 //cerr << "cached" << endl;
690 highest = (int) floor(sum);
692 //cerr << "recalc" << endl;
693 highest = lowest + (int) floor(note_range_adjustment.get_page_size());
694 _range_sum_cache = sum;
697 if (lowest == _lowest_note && highest == _highest_note) {
701 //cerr << "note range adjustment changed: " << lowest << " " << highest << endl;
702 //cerr << " val=" << v_zoom_adjustment.get_value() << " page=" << v_zoom_adjustment.get_page_size() << " sum=" << v_zoom_adjustment.get_value() + v_zoom_adjustment.get_page_size() << endl;
704 _lowest_note = lowest;
705 _highest_note = highest;
706 apply_note_range(lowest, highest, true);