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"
35 #include "ardour_ui.h"
36 #include "canvas-simplerect.h"
37 #include "gui_thread.h"
39 #include "midi_region_view.h"
40 #include "midi_streamview.h"
41 #include "midi_time_axis.h"
42 #include "midi_util.h"
43 #include "public_editor.h"
44 #include "region_selection.h"
45 #include "region_view.h"
46 #include "rgb_macros.h"
47 #include "selection.h"
48 #include "simplerect.h"
52 using namespace ARDOUR;
54 using namespace Editing;
56 MidiStreamView::MidiStreamView (MidiTimeAxisView& tv)
58 , note_range_adjustment(0.0f, 0.0f, 0.0f)
60 , _range_sum_cache(-1.0)
67 stream_base_color = ARDOUR_UI::config()->canvasvar_MidiTrackBase.get();
69 stream_base_color = ARDOUR_UI::config()->canvasvar_MidiBusBase.get();
72 use_rec_regions = tv.editor().show_waveforms_recording ();
74 /* use a group dedicated to MIDI underlays. Audio underlays are not in this group. */
75 midi_underlay_group = new ArdourCanvas::Group (*canvas_group);
76 midi_underlay_group->lower_to_bottom();
78 /* put the note lines in the timeaxisview's group, so it
79 can be put below ghost regions from MIDI underlays*/
80 _note_lines = new ArdourCanvas::LineSet(*canvas_group, ArdourCanvas::LineSet::Horizontal);
82 _note_lines->property_x1() = 0;
83 _note_lines->property_y1() = 0;
84 _note_lines->property_x2() = trackview().editor().frame_to_pixel (max_frames);
85 _note_lines->property_y2() = 0;
87 _note_lines->signal_event().connect(bind(
88 mem_fun(_trackview.editor(), &PublicEditor::canvas_stream_view_event),
89 _note_lines, &_trackview));
91 _note_lines->lower_to_bottom();
93 ColorsChanged.connect(mem_fun(*this, &MidiStreamView::draw_note_lines));
95 note_range_adjustment.set_page_size(_highest_note - _lowest_note);
96 note_range_adjustment.set_value(_lowest_note);
98 note_range_adjustment.signal_value_changed().connect(
99 mem_fun(*this, &MidiStreamView::note_range_adjustment_changed));
102 MidiStreamView::~MidiStreamView ()
107 veto_note_range(uint8_t& min, uint8_t& max)
109 /* Legal notes, thanks */
113 /* Always display at least one octave in [0, 127] */
115 if (min > (127 - 11)) {
118 } else if (max < min + 11) {
119 uint8_t d = 11 - (max - min);
120 if (max + d/2 > 127) {
127 assert(max - min >= 11);
133 MidiStreamView::create_region_view (boost::shared_ptr<Region> r, bool wfd, bool)
135 boost::shared_ptr<MidiRegion> region = boost::dynamic_pointer_cast<MidiRegion> (r);
141 RegionView* region_view = new MidiRegionView (canvas_group, _trackview, region,
142 _samples_per_unit, region_color);
144 region_view->init (region_color, false);
150 MidiStreamView::add_region_view_internal (boost::shared_ptr<Region> r, bool wfd, bool recording)
152 boost::shared_ptr<MidiRegion> region = boost::dynamic_pointer_cast<MidiRegion> (r);
158 for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
159 if ((*i)->region() == r) {
161 /* great. we already have a MidiRegionView for this Region. use it again. */
163 (*i)->set_valid (true);
165 display_region(dynamic_cast<MidiRegionView*>(*i), wfd);
171 MidiRegionView* region_view = dynamic_cast<MidiRegionView*> (create_region_view (r, wfd, recording));
172 if (region_view == 0) {
176 region_views.push_front (region_view);
178 /* display events and find note range */
179 display_region (region_view, wfd);
181 /* catch regionview going away */
182 region->GoingAway.connect (bind (mem_fun (*this, &MidiStreamView::remove_region_view), region));
184 RegionViewAdded (region_view);
190 MidiStreamView::display_region(MidiRegionView* region_view, bool load_model)
195 region_view->enable_display(true);
197 boost::shared_ptr<MidiSource> source(region_view->midi_region()->midi_source(0));
200 source->load_model();
203 _range_dirty = update_data_note_range(
204 source->model()->lowest_note(),
205 source->model()->highest_note());
207 // Display region contents
208 region_view->set_height(height);
209 region_view->display_model(source->model());
213 MidiStreamView::display_diskstream (boost::shared_ptr<Diskstream> ds)
215 StreamView::display_diskstream(ds);
221 MidiStreamView::update_contents_metrics(boost::shared_ptr<Region> r)
223 boost::shared_ptr<MidiRegion> mr = boost::dynamic_pointer_cast<MidiRegion>(r);
225 mr->midi_source(0)->load_model();
226 _range_dirty = update_data_note_range(
227 mr->model()->lowest_note(),
228 mr->model()->highest_note());
233 MidiStreamView::update_data_note_range(uint8_t min, uint8_t max)
236 if (min < _data_note_min) {
237 _data_note_min = min;
240 if (max > _data_note_max) {
241 _data_note_max = max;
248 MidiStreamView::redisplay_diskstream ()
250 if (!_trackview.is_midi_track()) {
254 list<RegionView*>::iterator i;
256 // Load models if necessary, and find note range of all our contents
257 _range_dirty = false;
258 _data_note_min = 127;
260 _trackview.get_diskstream()->playlist()->foreach_region(
261 sigc::mem_fun (*this, &StreamView::update_contents_metrics)
264 // No notes, use default range
270 // Extend visible range to show newly recorded data, if necessary
271 _lowest_note = std::min(_lowest_note, _data_note_min);
272 _highest_note = std::max(_highest_note, _data_note_max);
274 veto_note_range(_lowest_note, _highest_note);
276 // Flag region views as invalid and disable drawing
277 for (i = region_views.begin(); i != region_views.end(); ++i) {
278 (*i)->set_valid(false);
279 (*i)->enable_display(false);
282 // Add and display region views, and flag them as valid
283 _trackview.get_diskstream()->playlist()->foreach_region(
284 sigc::hide_return (sigc::mem_fun (*this, &StreamView::add_region_view))
287 // Stack regions by layer, and remove invalid regions
290 // Update note range (not regions which are correct) and draw note lines
291 apply_note_range(_lowest_note, _highest_note, false);
296 MidiStreamView::update_contents_height ()
298 StreamView::update_contents_height();
299 _note_lines->property_y2() = height;
304 MidiStreamView::draw_note_lines()
307 double prev_y = contents_height();
310 _note_lines->clear();
312 for (int i = lowest_note(); i <= highest_note(); ++i) {
313 y = floor(note_to_y(i));
315 _note_lines->add_line(prev_y, 1.0, ARDOUR_UI::config()->canvasvar_PianoRollBlackOutline.get());
323 color = ARDOUR_UI::config()->canvasvar_PianoRollBlack.get();
326 color = ARDOUR_UI::config()->canvasvar_PianoRollWhite.get();
330 if (i == highest_note()) {
331 _note_lines->add_line(y, prev_y - y, color);
333 _note_lines->add_line(y + 1.0, prev_y - y - 1.0, color);
341 MidiStreamView::set_note_range(VisibleNoteRange r)
343 if (r == FullRange) {
347 _lowest_note = _data_note_min;
348 _highest_note = _data_note_max;
351 apply_note_range(_lowest_note, _highest_note, true);
355 MidiStreamView::apply_note_range(uint8_t lowest, uint8_t highest, bool to_region_views)
357 _highest_note = highest;
358 _lowest_note = lowest;
359 note_range_adjustment.set_page_size(_highest_note - _lowest_note);
360 note_range_adjustment.set_value(_lowest_note);
363 if (to_region_views) {
364 for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
365 ((MidiRegionView*)(*i))->apply_note_range(lowest, highest);
373 MidiStreamView::update_note_range(uint8_t note_num)
375 assert(note_num <= 127);
376 _data_note_min = min(_data_note_min, note_num);
377 _data_note_max = max(_data_note_max, note_num);
381 MidiStreamView::setup_rec_box ()
383 // cerr << _trackview.name() << " streamview SRB\n";
385 if (_trackview.session().transport_rolling()) {
388 _trackview.session().record_status() == Session::Recording &&
389 _trackview.get_diskstream()->record_enabled()) {
391 if (use_rec_regions && rec_regions.size() == rec_rects.size()) {
393 /* add a new region, but don't bother if they set use_rec_regions mid-record */
395 MidiRegion::SourceList sources;
397 for (list<sigc::connection>::iterator prc = rec_data_ready_connections.begin(); prc != rec_data_ready_connections.end(); ++prc) {
400 rec_data_ready_connections.clear();
403 boost::shared_ptr<MidiDiskstream> mds = boost::dynamic_pointer_cast<MidiDiskstream>(_trackview.get_diskstream());
406 sources.push_back(mds->write_source());
408 rec_data_ready_connections.push_back (mds->write_source()->ViewDataRangeReady.connect (bind (mem_fun (*this, &MidiStreamView::rec_data_range_ready), boost::weak_ptr<Source>(mds->write_source()))));
412 jack_nframes_t start = 0;
413 if (rec_regions.size() > 0) {
414 start = rec_regions.back().first->position() + _trackview.get_diskstream()->get_captured_frames(rec_regions.size()-1);
417 boost::shared_ptr<MidiRegion> region (boost::dynamic_pointer_cast<MidiRegion>
418 (RegionFactory::create (sources, start, 1 , "", 0, Region::DefaultFlags, false)));
420 region->block_property_changes ();
421 region->set_position (_trackview.session().transport_frame(), this);
422 rec_regions.push_back (make_pair(region, (RegionView*)0));
424 // rec regions are destroyed in setup_rec_box
426 /* we add the region later */
429 /* start a new rec box */
431 boost::shared_ptr<MidiTrack> mt = _trackview.midi_track(); /* we know what it is already */
432 boost::shared_ptr<MidiDiskstream> ds = mt->midi_diskstream();
433 jack_nframes_t frame_pos = ds->current_capture_start ();
434 gdouble xstart = _trackview.editor().frame_to_pixel (frame_pos);
438 assert(_trackview.midi_track()->mode() == Normal);
441 fill_color = ARDOUR_UI::config()->canvasvar_RecordingRect.get();
443 ArdourCanvas::SimpleRect * rec_rect = new Gnome::Canvas::SimpleRect (*canvas_group);
444 rec_rect->property_x1() = xstart;
445 rec_rect->property_y1() = 1.0;
446 rec_rect->property_x2() = xend;
447 rec_rect->property_y2() = (double) _trackview.current_height() - 1;
448 rec_rect->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_RecordingRect.get();
449 rec_rect->property_fill_color_rgba() = fill_color;
450 rec_rect->lower_to_bottom();
453 recbox.rectangle = rec_rect;
454 recbox.start = _trackview.session().transport_frame();
457 rec_rects.push_back (recbox);
459 screen_update_connection.disconnect();
460 screen_update_connection = ARDOUR_UI::instance()->SuperRapidScreenUpdate.connect (mem_fun (*this, &MidiStreamView::update_rec_box));
464 } else if (rec_active &&
465 (_trackview.session().record_status() != Session::Recording ||
466 !_trackview.get_diskstream()->record_enabled())) {
468 screen_update_connection.disconnect();
470 rec_updating = false;
476 // cerr << "\tNOT rolling, rec_rects = " << rec_rects.size() << " rec_regions = " << rec_regions.size() << endl;
478 if (!rec_rects.empty() || !rec_regions.empty()) {
480 /* disconnect rapid update */
481 screen_update_connection.disconnect();
483 for (list<sigc::connection>::iterator prc = rec_data_ready_connections.begin(); prc != rec_data_ready_connections.end(); ++prc) {
486 rec_data_ready_connections.clear();
488 rec_updating = false;
491 /* remove temp regions */
493 for (list<pair<boost::shared_ptr<Region>,RegionView*> >::iterator iter = rec_regions.begin(); iter != rec_regions.end();) {
494 list<pair<boost::shared_ptr<Region>,RegionView*> >::iterator tmp;
499 (*iter).first->drop_references ();
506 // cerr << "\tclear " << rec_rects.size() << " rec rects\n";
508 /* transport stopped, clear boxes */
509 for (vector<RecBoxInfo>::iterator iter=rec_rects.begin(); iter != rec_rects.end(); ++iter) {
510 RecBoxInfo &rect = (*iter);
511 delete rect.rectangle;
521 MidiStreamView::update_rec_regions (boost::shared_ptr<MidiModel> data, nframes_t start, nframes_t dur)
523 ENSURE_GUI_THREAD (bind (mem_fun (*this, &MidiStreamView::update_rec_regions), data, start, dur));
525 if (use_rec_regions) {
528 bool update_range = false;
530 for (list<pair<boost::shared_ptr<Region>,RegionView*> >::iterator iter = rec_regions.begin(); iter != rec_regions.end(); n++) {
532 list<pair<boost::shared_ptr<Region>,RegionView*> >::iterator tmp;
537 boost::shared_ptr<MidiRegion> region = boost::dynamic_pointer_cast<MidiRegion>(iter->first);
538 if (!region || !iter->second) {
543 if (!canvas_item_visible (rec_rects[n].rectangle)) {
544 /* rect already hidden, this region is done */
549 nframes_t origlen = region->length();
551 if (region == rec_regions.back().first && rec_active) {
553 if (start >= region->midi_source(0)->timeline_position()) {
555 nframes_t nlen = start + dur - region->position();
557 if (nlen != region->length()) {
560 region->set_position (_trackview.get_diskstream()->get_capture_start_frame(n), this);
561 region->set_length (start + dur - region->position(), this);
562 region->thaw ("updated");
565 /* our special initial length */
566 iter->second = add_region_view_internal (region, false);
567 ((MidiRegionView*)iter->second)->begin_write();
570 /* also update rect */
571 ArdourCanvas::SimpleRect * rect = rec_rects[n].rectangle;
572 gdouble xend = _trackview.editor().frame_to_pixel (region->position() + region->length());
573 rect->property_x2() = xend;
576 MidiRegionView* mrv = (MidiRegionView*)iter->second;
577 for (size_t i=0; i < data->n_notes(); ++i) {
579 // FIXME: slooooooooow!
581 const boost::shared_ptr<MidiRegionView::NoteType> note = data->note_at(i);
583 if (note->length() > 0 && note->end_time() + region->position() > start)
584 mrv->resolve_note(note->note(), note->end_time());
586 if (note->time() + region->position() < start)
589 if (note->time() + region->position() > start + dur)
594 if (note->note() < _lowest_note) {
595 _lowest_note = note->note();
597 } else if (note->note() > _highest_note) {
598 _highest_note = note->note();
603 mrv->extend_active_notes();
609 nframes_t nlen = _trackview.get_diskstream()->get_captured_frames(n);
611 if (nlen != region->length()) {
613 if (region->source_length(0) >= region->position() + nlen) {
616 region->set_position (_trackview.get_diskstream()->get_capture_start_frame(n), this);
617 region->set_length (nlen, this);
618 region->thaw ("updated");
621 /* our special initial length */
622 iter->second = add_region_view_internal (region, false);
626 ArdourCanvas::Item * rect = rec_rects[n].rectangle;
637 update_contents_height();
642 MidiStreamView::rec_data_range_ready (jack_nframes_t start, jack_nframes_t dur, boost::weak_ptr<Source> weak_src)
644 // this is called from the butler thread for now
646 ENSURE_GUI_THREAD(bind (mem_fun (*this, &MidiStreamView::rec_data_range_ready), start, dur, weak_src));
648 boost::shared_ptr<SMFSource> src (boost::dynamic_pointer_cast<SMFSource>(weak_src.lock()));
650 this->update_rec_regions (src->model(), start, dur);
654 MidiStreamView::color_handler ()
656 //case cMidiTrackBase:
657 if (_trackview.is_midi_track()) {
658 //canvas_rect->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_MidiTrackBase.get();
662 if (!_trackview.is_midi_track()) {
663 //canvas_rect->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_MidiBusBase.get();;
668 MidiStreamView::note_range_adjustment_changed()
670 double sum = note_range_adjustment.get_value() + note_range_adjustment.get_page_size();
671 int lowest = (int) floor(note_range_adjustment.get_value());
674 if (sum == _range_sum_cache) {
675 //cerr << "cached" << endl;
676 highest = (int) floor(sum);
678 //cerr << "recalc" << endl;
679 highest = lowest + (int) floor(note_range_adjustment.get_page_size());
680 _range_sum_cache = sum;
683 if (lowest == _lowest_note && highest == _highest_note) {
687 //cerr << "note range adjustment changed: " << lowest << " " << highest << endl;
688 //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;
690 _lowest_note = lowest;
691 _highest_note = highest;
692 apply_note_range(lowest, highest, true);