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_rec_regions = tv.editor().show_waveforms_recording ();
75 /* use a group dedicated to MIDI underlays. Audio underlays are not in this group. */
76 midi_underlay_group = new ArdourCanvas::Group (*canvas_group);
77 midi_underlay_group->lower_to_bottom();
79 /* put the note lines in the timeaxisview's group, so it
80 can be put below ghost regions from MIDI underlays*/
81 _note_lines = new ArdourCanvas::LineSet(*canvas_group, ArdourCanvas::LineSet::Horizontal);
83 _note_lines->property_x1() = 0;
84 _note_lines->property_y1() = 0;
85 _note_lines->property_x2() = trackview().editor().frame_to_pixel (max_frames);
86 _note_lines->property_y2() = 0;
88 _note_lines->signal_event().connect(bind(
89 mem_fun(_trackview.editor(), &PublicEditor::canvas_stream_view_event),
90 _note_lines, &_trackview));
92 _note_lines->lower_to_bottom();
94 ColorsChanged.connect(mem_fun(*this, &MidiStreamView::draw_note_lines));
96 note_range_adjustment.set_page_size(_highest_note - _lowest_note);
97 note_range_adjustment.set_value(_lowest_note);
99 note_range_adjustment.signal_value_changed().connect(
100 mem_fun(*this, &MidiStreamView::note_range_adjustment_changed));
103 MidiStreamView::~MidiStreamView ()
108 veto_note_range(uint8_t& min, uint8_t& max)
110 /* Legal notes, thanks */
114 /* Always display at least one octave in [0, 127] */
116 if (min > (127 - 11)) {
119 } else if (max < min + 11) {
120 uint8_t d = 11 - (max - min);
121 if (max + d/2 > 127) {
128 assert(max - min >= 11);
134 MidiStreamView::create_region_view (boost::shared_ptr<Region> r, bool /*wfd*/, bool)
136 boost::shared_ptr<MidiRegion> region = boost::dynamic_pointer_cast<MidiRegion> (r);
142 RegionView* region_view = new MidiRegionView (canvas_group, _trackview, region,
143 _samples_per_unit, region_color);
145 region_view->init (region_color, false);
151 MidiStreamView::add_region_view_internal (boost::shared_ptr<Region> r, bool wfd, bool recording)
153 boost::shared_ptr<MidiRegion> region = boost::dynamic_pointer_cast<MidiRegion> (r);
159 for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
160 if ((*i)->region() == r) {
162 /* great. we already have a MidiRegionView for this Region. use it again. */
164 (*i)->set_valid (true);
166 display_region(dynamic_cast<MidiRegionView*>(*i), wfd);
172 MidiRegionView* region_view = dynamic_cast<MidiRegionView*> (create_region_view (r, wfd, recording));
173 if (region_view == 0) {
177 region_views.push_front (region_view);
179 /* display events and find note range */
180 display_region (region_view, wfd);
182 /* catch regionview going away */
183 region->GoingAway.connect (bind (mem_fun (*this, &MidiStreamView::remove_region_view), region));
185 RegionViewAdded (region_view);
191 MidiStreamView::display_region(MidiRegionView* region_view, bool load_model)
196 region_view->enable_display(true);
198 boost::shared_ptr<MidiSource> source(region_view->midi_region()->midi_source(0));
201 source->load_model();
204 _range_dirty = update_data_note_range(
205 source->model()->lowest_note(),
206 source->model()->highest_note());
208 // Display region contents
209 region_view->set_height(height);
210 region_view->display_model(source->model());
214 MidiStreamView::display_diskstream (boost::shared_ptr<Diskstream> ds)
216 StreamView::display_diskstream(ds);
222 MidiStreamView::update_contents_metrics(boost::shared_ptr<Region> r)
224 boost::shared_ptr<MidiRegion> mr = boost::dynamic_pointer_cast<MidiRegion>(r);
226 mr->midi_source(0)->load_model();
227 _range_dirty = update_data_note_range(
228 mr->model()->lowest_note(),
229 mr->model()->highest_note());
234 MidiStreamView::update_data_note_range(uint8_t min, uint8_t max)
237 if (min < _data_note_min) {
238 _data_note_min = min;
241 if (max > _data_note_max) {
242 _data_note_max = max;
249 MidiStreamView::redisplay_diskstream ()
251 if (!_trackview.is_midi_track()) {
255 list<RegionView*>::iterator i;
257 // Load models if necessary, and find note range of all our contents
258 _range_dirty = false;
259 _data_note_min = 127;
261 _trackview.get_diskstream()->playlist()->foreach_region(
262 sigc::mem_fun (*this, &StreamView::update_contents_metrics)
265 // No notes, use default range
271 // Extend visible range to show newly recorded data, if necessary
272 _lowest_note = std::min(_lowest_note, _data_note_min);
273 _highest_note = std::max(_highest_note, _data_note_max);
275 veto_note_range(_lowest_note, _highest_note);
277 // Flag region views as invalid and disable drawing
278 for (i = region_views.begin(); i != region_views.end(); ++i) {
279 (*i)->set_valid(false);
280 (*i)->enable_display(false);
283 // Add and display region views, and flag them as valid
284 _trackview.get_diskstream()->playlist()->foreach_region(
285 sigc::hide_return (sigc::mem_fun (*this, &StreamView::add_region_view))
288 // Stack regions by layer, and remove invalid regions
291 // Update note range (not regions which are correct) and draw note lines
292 apply_note_range(_lowest_note, _highest_note, false);
297 MidiStreamView::update_contents_height ()
299 StreamView::update_contents_height();
300 _note_lines->property_y2() = height;
305 MidiStreamView::draw_note_lines()
308 double prev_y = contents_height();
311 _note_lines->clear();
313 for (int i = lowest_note(); i <= highest_note(); ++i) {
314 y = floor(note_to_y(i));
316 _note_lines->add_line(prev_y, 1.0, ARDOUR_UI::config()->canvasvar_PianoRollBlackOutline.get());
324 color = ARDOUR_UI::config()->canvasvar_PianoRollBlack.get();
327 color = ARDOUR_UI::config()->canvasvar_PianoRollWhite.get();
331 if (i == highest_note()) {
332 _note_lines->add_line(y, prev_y - y, color);
334 _note_lines->add_line(y + 1.0, prev_y - y - 1.0, color);
342 MidiStreamView::set_note_range(VisibleNoteRange r)
344 if (r == FullRange) {
348 _lowest_note = _data_note_min;
349 _highest_note = _data_note_max;
352 apply_note_range(_lowest_note, _highest_note, true);
356 MidiStreamView::apply_note_range(uint8_t lowest, uint8_t highest, bool to_region_views)
358 _highest_note = highest;
359 _lowest_note = lowest;
360 note_range_adjustment.set_page_size(_highest_note - _lowest_note);
361 note_range_adjustment.set_value(_lowest_note);
364 if (to_region_views) {
365 for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
366 ((MidiRegionView*)(*i))->apply_note_range(lowest, highest);
374 MidiStreamView::update_note_range(uint8_t note_num)
376 assert(note_num <= 127);
377 _data_note_min = min(_data_note_min, note_num);
378 _data_note_max = max(_data_note_max, note_num);
382 MidiStreamView::setup_rec_box ()
384 // cerr << _trackview.name() << " streamview SRB\n";
386 if (_trackview.session().transport_rolling()) {
389 _trackview.session().record_status() == Session::Recording &&
390 _trackview.get_diskstream()->record_enabled()) {
392 if (use_rec_regions && rec_regions.size() == rec_rects.size()) {
394 /* add a new region, but don't bother if they set use_rec_regions mid-record */
396 MidiRegion::SourceList sources;
398 for (list<sigc::connection>::iterator prc = rec_data_ready_connections.begin();
399 prc != rec_data_ready_connections.end(); ++prc) {
402 rec_data_ready_connections.clear();
404 boost::shared_ptr<MidiDiskstream> mds = _trackview.midi_track()->midi_diskstream();
406 sources.push_back(mds->write_source());
408 rec_data_ready_connections.push_back (mds->write_source()->ViewDataRangeReady.connect (bind (
409 mem_fun (*this, &MidiStreamView::rec_data_range_ready),
410 boost::weak_ptr<Source>(mds->write_source()))));
415 if (rec_regions.size() > 0) {
416 start = rec_regions.back().first->start()
417 + _trackview.get_diskstream()->get_captured_frames(rec_regions.size()-1);
420 boost::shared_ptr<MidiRegion> region (boost::dynamic_pointer_cast<MidiRegion>
421 (RegionFactory::create (sources, start, 1 , "", 0, Region::DefaultFlags, false)));
424 region->block_property_changes ();
425 region->set_position (_trackview.session().transport_frame(), this);
426 rec_regions.push_back (make_pair(region, (RegionView*)0));
428 // rec regions are destroyed in setup_rec_box
430 /* we add the region later */
433 /* start a new rec box */
435 boost::shared_ptr<MidiTrack> mt = _trackview.midi_track(); /* we know what it is already */
436 boost::shared_ptr<MidiDiskstream> ds = mt->midi_diskstream();
437 nframes_t frame_pos = ds->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 mem_fun (*this, &MidiStreamView::update_rec_box));
469 } else if (rec_active &&
470 (_trackview.session().record_status() != Session::Recording ||
471 !_trackview.get_diskstream()->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();
486 for (list<sigc::connection>::iterator prc = rec_data_ready_connections.begin();
487 prc != rec_data_ready_connections.end(); ++prc) {
490 rec_data_ready_connections.clear();
492 rec_updating = false;
495 /* remove temp regions */
497 for (list<pair<boost::shared_ptr<Region>,RegionView*> >::iterator iter = rec_regions.begin(); iter != rec_regions.end();) {
498 list<pair<boost::shared_ptr<Region>,RegionView*> >::iterator tmp;
503 (*iter).first->drop_references ();
510 // cerr << "\tclear " << rec_rects.size() << " rec rects\n";
512 /* transport stopped, clear boxes */
513 for (vector<RecBoxInfo>::iterator iter=rec_rects.begin(); iter != rec_rects.end(); ++iter) {
514 RecBoxInfo &rect = (*iter);
515 delete rect.rectangle;
525 MidiStreamView::update_rec_regions (boost::shared_ptr<MidiModel> data, nframes_t start, nframes_t dur)
527 ENSURE_GUI_THREAD (bind (mem_fun (*this, &MidiStreamView::update_rec_regions), data, start, dur));
529 if (use_rec_regions) {
532 bool update_range = false;
534 for (list<pair<boost::shared_ptr<Region>,RegionView*> >::iterator iter = rec_regions.begin();
535 iter != rec_regions.end(); n++) {
537 list<pair<boost::shared_ptr<Region>,RegionView*> >::iterator tmp = iter;
540 if (!canvas_item_visible (rec_rects[n].rectangle)) {
541 /* rect already hidden, this region is done */
546 boost::shared_ptr<MidiRegion> region = boost::dynamic_pointer_cast<MidiRegion>(iter->first);
552 nframes_t origlen = region->length();
554 if (region == rec_regions.back().first && rec_active) {
556 if (start >= region->midi_source(0)->timeline_position()) {
558 nframes_t nlen = start + dur - region->position();
560 if (nlen != region->length()) {
563 region->set_position (_trackview.get_diskstream()->get_capture_start_frame(n), this);
564 region->set_length (start + dur - region->position(), this);
565 region->thaw ("updated");
568 /* our special initial length */
569 iter->second = add_region_view_internal (region, false);
570 ((MidiRegionView*)iter->second)->begin_write();
573 /* also update rect */
574 ArdourCanvas::SimpleRect * rect = rec_rects[n].rectangle;
575 gdouble xend = _trackview.editor().frame_to_pixel (region->position() + region->length());
576 rect->property_x2() = xend;
578 ARDOUR::BeatsFramesConverter tconv(_trackview.session().tempo_map(), region->position());
579 const MidiModel::TimeType start_beats = tconv.from(start);
582 MidiRegionView* mrv = (MidiRegionView*)iter->second;
584 for (MidiModel::Notes::const_iterator i = data->note_lower_bound(start_beats);
585 i != data->notes().end(); ++i) {
587 const boost::shared_ptr<MidiRegionView::NoteType>& note = *i;
589 nframes_t note_start_frames = tconv.to(note->time());
590 nframes_t note_end_frames = tconv.to(note->end_time());
592 if (note->length() > 0 && note_end_frames + region->position() > start)
593 mrv->resolve_note(note->note(), note_end_frames);
595 if (note_start_frames + region->position() < start) {
599 if (note_start_frames + region->position() > start + dur) {
603 if (note->note() < _lowest_note) {
604 _lowest_note = note->note();
606 } else if (note->note() > _highest_note) {
607 _highest_note = note->note();
611 mrv->add_note (note, !update_range);
614 mrv->extend_active_notes();
620 nframes_t nlen = _trackview.get_diskstream()->get_captured_frames(n);
622 if (nlen != region->length()) {
624 if (region->source_length(0) >= region->position() + nlen) {
627 region->set_position (_trackview.get_diskstream()->get_capture_start_frame(n), this);
628 region->set_length (nlen, this);
629 region->thaw ("updated");
632 /* our special initial length */
633 iter->second = add_region_view_internal (region, false);
637 ArdourCanvas::Item * rect = rec_rects[n].rectangle;
648 update_contents_height();
653 MidiStreamView::rec_data_range_ready (nframes_t start, nframes_t cnt, boost::weak_ptr<Source> weak_src)
655 // this is called from the butler thread for now
657 ENSURE_GUI_THREAD(bind (mem_fun (*this, &MidiStreamView::rec_data_range_ready), start, cnt, weak_src));
659 boost::shared_ptr<SMFSource> src (boost::dynamic_pointer_cast<SMFSource>(weak_src.lock()));
665 if (start + cnt > last_rec_data_frame) {
666 last_rec_data_frame = start + cnt;
669 this->update_rec_regions (src->model(), start, cnt);
673 MidiStreamView::color_handler ()
675 //case cMidiTrackBase:
676 if (_trackview.is_midi_track()) {
677 //canvas_rect->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_MidiTrackBase.get();
681 if (!_trackview.is_midi_track()) {
682 //canvas_rect->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_MidiBusBase.get();;
687 MidiStreamView::note_range_adjustment_changed()
689 double sum = note_range_adjustment.get_value() + note_range_adjustment.get_page_size();
690 int lowest = (int) floor(note_range_adjustment.get_value());
693 if (sum == _range_sum_cache) {
694 //cerr << "cached" << endl;
695 highest = (int) floor(sum);
697 //cerr << "recalc" << endl;
698 highest = lowest + (int) floor(note_range_adjustment.get_page_size());
699 _range_sum_cache = sum;
702 if (lowest == _lowest_note && highest == _highest_note) {
706 //cerr << "note range adjustment changed: " << lowest << " " << highest << endl;
707 //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;
709 _lowest_note = lowest;
710 _highest_note = highest;
711 apply_note_range(lowest, highest, true);