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_playlist.h>
28 #include <ardour/midi_region.h>
29 #include <ardour/midi_source.h>
30 #include <ardour/midi_diskstream.h>
31 #include <ardour/midi_track.h>
32 #include <ardour/midi_events.h>
33 #include <ardour/smf_source.h>
34 #include <ardour/region_factory.h>
36 #include "midi_streamview.h"
37 #include "region_view.h"
38 #include "midi_region_view.h"
39 #include "midi_time_axis.h"
40 #include "canvas-simplerect.h"
41 #include "region_selection.h"
42 #include "selection.h"
43 #include "public_editor.h"
44 #include "ardour_ui.h"
45 #include "rgb_macros.h"
46 #include "gui_thread.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)
59 , _range(ContentsRange)
60 , _range_sum_cache(-1.0)
65 stream_base_color = ARDOUR_UI::config()->canvasvar_MidiTrackBase.get();
67 stream_base_color = ARDOUR_UI::config()->canvasvar_MidiBusBase.get();
69 use_rec_regions = tv.editor.show_waveforms_recording ();
71 /* use a group dedicated to MIDI underlays. Audio underlays are not in this group. */
72 midi_underlay_group = new ArdourCanvas::Group (*canvas_group);
73 midi_underlay_group->lower_to_bottom();
75 /* put the note lines in the timeaxisview's group, so it
76 can be put below ghost regions from MIDI underlays*/
77 _note_lines = new ArdourCanvas::Lineset(*canvas_group, ArdourCanvas::Lineset::Horizontal);
79 _note_lines->property_x1() = 0;
80 _note_lines->property_y1() = 0;
81 _note_lines->property_x2() = trackview().editor.frame_to_pixel (max_frames);
82 _note_lines->property_y2() = 0;
84 _note_lines->signal_event().connect (bind (mem_fun (_trackview.editor, &PublicEditor::canvas_stream_view_event), _note_lines, &_trackview));
85 _note_lines->lower_to_bottom();
87 note_range_adjustment.signal_value_changed().connect (mem_fun (*this, &MidiStreamView::note_range_adjustment_changed));
88 ColorsChanged.connect(mem_fun(*this, &MidiStreamView::draw_note_lines));
91 MidiStreamView::~MidiStreamView ()
97 MidiStreamView::add_region_view_internal (boost::shared_ptr<Region> r, bool wfd)
99 boost::shared_ptr<MidiRegion> region = boost::dynamic_pointer_cast<MidiRegion> (r);
105 MidiRegionView *region_view;
106 list<RegionView *>::iterator i;
108 for (i = region_views.begin(); i != region_views.end(); ++i) {
109 if ((*i)->region() == r) {
111 /* great. we already have a MidiRegionView for this Region. use it again. */
113 (*i)->set_valid (true);
114 (*i)->enable_display(wfd);
115 display_region(dynamic_cast<MidiRegionView*>(*i), wfd);
121 region_view = new MidiRegionView (canvas_group, _trackview, region,
122 _samples_per_unit, region_color);
124 region_view->init (region_color, false);
125 region_views.push_front (region_view);
127 /* follow global waveform setting */
130 region_view->enable_display(true);
131 region_view->midi_region()->midi_source(0)->load_model();
134 /* display events and find note range */
135 display_region(region_view, wfd);
137 /* always display at least 1 octave range */
138 _highest_note = max(_highest_note, static_cast<uint8_t>(_lowest_note + 11));
140 /* catch regionview going away */
141 region->GoingAway.connect (bind (mem_fun (*this, &MidiStreamView::remove_region_view), region));
143 RegionViewAdded (region_view);
149 MidiStreamView::display_region(MidiRegionView* region_view, bool load_model)
154 boost::shared_ptr<MidiSource> source(region_view->midi_region()->midi_source(0));
157 source->load_model();
159 // Find our note range
161 for (size_t i=0; i < source->model()->n_notes(); ++i)
162 update_bounds(source->model()->note_at(i)->note());
164 // Display region contents
165 region_view->display_model(source->model());
169 MidiStreamView::display_diskstream (boost::shared_ptr<Diskstream> ds)
171 StreamView::display_diskstream(ds);
176 // FIXME: code duplication with AudioStreamView
178 MidiStreamView::redisplay_diskstream ()
180 list<RegionView *>::iterator i, tmp;
182 for (i = region_views.begin(); i != region_views.end(); ++i) {
183 (*i)->enable_display(true); // FIXME: double display, remove
184 (*i)->set_valid (false);
186 /* FIXME: slow. MidiRegionView needs a find_note_range method
187 * that finds the range without wasting time drawing the events */
189 // Load model if it isn't already, to get note range
190 MidiRegionView* mrv = dynamic_cast<MidiRegionView*>(*i);
191 mrv->midi_region()->midi_source(0)->load_model();
194 //_lowest_note = 60; // middle C
195 //_highest_note = _lowest_note + 11;
197 if (_trackview.is_midi_track()) {
198 _trackview.get_diskstream()->playlist()->foreach_region (static_cast<StreamView*>(this), &StreamView::add_region_view);
201 /* Always display at least one octave */
202 if (_highest_note == 127) {
203 if (_lowest_note > (127 - 11))
204 _lowest_note = 127 - 11;
205 } else if (_highest_note < _lowest_note + 11) {
206 _highest_note = _lowest_note + 11;
209 for (i = region_views.begin(); i != region_views.end(); ) {
213 if (!(*i)->is_valid()) {
215 region_views.erase (i);
217 (*i)->enable_display(true);
218 (*i)->set_y_position_and_height(0, height); // apply note range
224 /* now fix layering */
226 for (RegionViewList::iterator i = region_views.begin(); i != region_views.end(); ++i) {
230 note_range_adjustment.set_page_size(_highest_note - _lowest_note);
231 note_range_adjustment.set_value(_lowest_note);
238 MidiStreamView::update_contents_y_position_and_height ()
240 StreamView::update_contents_y_position_and_height();
241 _note_lines->property_y2() = height;
246 MidiStreamView::draw_note_lines()
249 double prev_y = contents_height();
252 _note_lines->clear();
254 for(int i = _lowest_note; i <= _highest_note; ++i) {
255 y = floor(note_to_y(i));
257 _note_lines->add_line(prev_y, 1.0, ARDOUR_UI::config()->canvasvar_PianoRollBlackOutline.get());
265 color = ARDOUR_UI::config()->canvasvar_PianoRollBlack.get();
268 color = ARDOUR_UI::config()->canvasvar_PianoRollWhite.get();
272 if(i == _highest_note) {
273 _note_lines->add_line(y, prev_y - y, color);
276 _note_lines->add_line(y + 1.0, prev_y - y - 1.0, color);
285 MidiStreamView::set_note_range(VisibleNoteRange r)
288 if (r == FullRange) {
295 redisplay_diskstream();
299 MidiStreamView::set_note_range(uint8_t lowest, uint8_t highest) {
300 if(_range == ContentsRange) {
301 _lowest_note = lowest;
302 _highest_note = highest;
304 list<RegionView *>::iterator i;
305 for (i = region_views.begin(); i != region_views.end(); ++i) {
306 (*i)->set_y_position_and_height(0, height); // apply note range
315 MidiStreamView::update_bounds(uint8_t note_num)
317 _lowest_note = min(_lowest_note, note_num);
318 _highest_note = max(_highest_note, note_num);
323 MidiStreamView::setup_rec_box ()
325 // cerr << _trackview.name() << " streamview SRB\n";
327 if (_trackview.session().transport_rolling()) {
330 _trackview.session().record_status() == Session::Recording &&
331 _trackview.get_diskstream()->record_enabled()) {
333 if (use_rec_regions && rec_regions.size() == rec_rects.size()) {
335 /* add a new region, but don't bother if they set use_rec_regions mid-record */
337 MidiRegion::SourceList sources;
339 for (list<sigc::connection>::iterator prc = rec_data_ready_connections.begin(); prc != rec_data_ready_connections.end(); ++prc) {
342 rec_data_ready_connections.clear();
345 boost::shared_ptr<MidiDiskstream> mds = boost::dynamic_pointer_cast<MidiDiskstream>(_trackview.get_diskstream());
348 sources.push_back(mds->write_source());
350 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()))));
354 jack_nframes_t start = 0;
355 if (rec_regions.size() > 0) {
356 start = rec_regions.back().first->position() + _trackview.get_diskstream()->get_captured_frames(rec_regions.size()-1);
359 boost::shared_ptr<MidiRegion> region (boost::dynamic_pointer_cast<MidiRegion>
360 (RegionFactory::create (sources, start, 1 , "", 0, (Region::Flag)(Region::DefaultFlags | Region::DoNotSaveState), false)));
362 region->set_position (_trackview.session().transport_frame(), this);
363 rec_regions.push_back (make_pair(region, (RegionView*)0));
365 // rec regions are destroyed in setup_rec_box
367 /* we add the region later */
370 /* start a new rec box */
372 boost::shared_ptr<MidiTrack> mt = _trackview.midi_track(); /* we know what it is already */
373 boost::shared_ptr<MidiDiskstream> ds = mt->midi_diskstream();
374 jack_nframes_t frame_pos = ds->current_capture_start ();
375 gdouble xstart = _trackview.editor.frame_to_pixel (frame_pos);
379 assert(_trackview.midi_track()->mode() == Normal);
382 fill_color = ARDOUR_UI::config()->canvasvar_RecordingRect.get();
384 ArdourCanvas::SimpleRect * rec_rect = new Gnome::Canvas::SimpleRect (*canvas_group);
385 rec_rect->property_x1() = xstart;
386 rec_rect->property_y1() = 1.0;
387 rec_rect->property_x2() = xend;
388 rec_rect->property_y2() = (double) _trackview.height - 1;
389 rec_rect->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_RecordingRect.get();
390 rec_rect->property_fill_color_rgba() = fill_color;
391 rec_rect->lower_to_bottom();
394 recbox.rectangle = rec_rect;
395 recbox.start = _trackview.session().transport_frame();
398 rec_rects.push_back (recbox);
400 screen_update_connection.disconnect();
401 screen_update_connection = ARDOUR_UI::instance()->SuperRapidScreenUpdate.connect (mem_fun (*this, &MidiStreamView::update_rec_box));
405 } else if (rec_active &&
406 (_trackview.session().record_status() != Session::Recording ||
407 !_trackview.get_diskstream()->record_enabled())) {
409 screen_update_connection.disconnect();
411 rec_updating = false;
417 // cerr << "\tNOT rolling, rec_rects = " << rec_rects.size() << " rec_regions = " << rec_regions.size() << endl;
419 if (!rec_rects.empty() || !rec_regions.empty()) {
421 /* disconnect rapid update */
422 screen_update_connection.disconnect();
424 for (list<sigc::connection>::iterator prc = rec_data_ready_connections.begin(); prc != rec_data_ready_connections.end(); ++prc) {
427 rec_data_ready_connections.clear();
429 rec_updating = false;
432 /* remove temp regions */
434 for (list<pair<boost::shared_ptr<Region>,RegionView*> >::iterator iter = rec_regions.begin(); iter != rec_regions.end();) {
435 list<pair<boost::shared_ptr<Region>,RegionView*> >::iterator tmp;
440 (*iter).first->drop_references ();
447 // cerr << "\tclear " << rec_rects.size() << " rec rects\n";
449 /* transport stopped, clear boxes */
450 for (vector<RecBoxInfo>::iterator iter=rec_rects.begin(); iter != rec_rects.end(); ++iter) {
451 RecBoxInfo &rect = (*iter);
452 delete rect.rectangle;
462 MidiStreamView::update_rec_regions (boost::shared_ptr<MidiModel> data, nframes_t start, nframes_t dur)
464 ENSURE_GUI_THREAD (bind (mem_fun (*this, &MidiStreamView::update_rec_regions), data, start, dur));
466 if (use_rec_regions) {
469 bool update_range = false;
471 for (list<pair<boost::shared_ptr<Region>,RegionView*> >::iterator iter = rec_regions.begin(); iter != rec_regions.end(); n++) {
473 list<pair<boost::shared_ptr<Region>,RegionView*> >::iterator tmp;
478 if (!canvas_item_visible (rec_rects[n].rectangle)) {
479 /* rect already hidden, this region is done */
484 boost::shared_ptr<MidiRegion> region = boost::dynamic_pointer_cast<MidiRegion>(iter->first);
489 nframes_t origlen = region->length();
491 if (region == rec_regions.back().first && rec_active) {
493 if (start >= region->midi_source(0)->timeline_position()) {
495 nframes_t nlen = start + dur - region->position();
497 if (nlen != region->length()) {
500 region->set_position (_trackview.get_diskstream()->get_capture_start_frame(n), this);
501 region->set_length (start + dur - region->position(), this);
502 region->thaw ("updated");
505 /* our special initial length */
506 iter->second = add_region_view_internal (region, false);
507 ((MidiRegionView*)iter->second)->begin_write();
510 /* also update rect */
511 ArdourCanvas::SimpleRect * rect = rec_rects[n].rectangle;
512 gdouble xend = _trackview.editor.frame_to_pixel (region->position() + region->length());
513 rect->property_x2() = xend;
516 MidiRegionView* mrv = (MidiRegionView*)iter->second;
517 for (size_t i=0; i < data->n_notes(); ++i) {
519 // FIXME: slooooooooow!
521 const boost::shared_ptr<Note> note = data->note_at(i);
523 if (note->duration() > 0 && note->end_time() + region->position() > start)
524 mrv->resolve_note(note->note(), note->end_time());
526 if (note->time() + region->position() < start)
529 if (note->time() + region->position() > start + dur)
534 if (note->note() < _lowest_note) {
535 _lowest_note = note->note();
537 } else if (note->note() > _highest_note) {
538 _highest_note = note->note();
543 mrv->extend_active_notes();
549 nframes_t nlen = _trackview.get_diskstream()->get_captured_frames(n);
551 if (nlen != region->length()) {
553 if (region->source(0)->length() >= region->position() + nlen) {
556 region->set_position (_trackview.get_diskstream()->get_capture_start_frame(n), this);
557 region->set_length (nlen, this);
558 region->thaw ("updated");
561 /* our special initial length */
562 iter->second = add_region_view_internal (region, false);
566 ArdourCanvas::Item * rect = rec_rects[n].rectangle;
577 update_contents_y_position_and_height();
582 MidiStreamView::rec_data_range_ready (jack_nframes_t start, jack_nframes_t dur, boost::weak_ptr<Source> weak_src)
584 // this is called from the butler thread for now
586 ENSURE_GUI_THREAD(bind (mem_fun (*this, &MidiStreamView::rec_data_range_ready), start, dur, weak_src));
588 boost::shared_ptr<SMFSource> src (boost::dynamic_pointer_cast<SMFSource>(weak_src.lock()));
590 this->update_rec_regions (src->model(), start, dur);
594 MidiStreamView::color_handler ()
597 //case cMidiTrackBase:
598 if (_trackview.is_midi_track()) {
599 //canvas_rect->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_MidiTrackBase.get();
603 if (!_trackview.is_midi_track()) {
604 //canvas_rect->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_MidiBusBase.get();;
609 MidiStreamView::note_range_adjustment_changed() {
610 double sum = note_range_adjustment.get_value() + note_range_adjustment.get_page_size();
611 int lowest = (int) floor(note_range_adjustment.get_value());
614 if(sum == _range_sum_cache) {
615 //cerr << "cached" << endl;
616 highest = (int) floor(sum);
619 //cerr << "recalc" << endl;
620 highest = lowest + (int) floor(note_range_adjustment.get_page_size());
621 _range_sum_cache = sum;
624 if(lowest == lowest_note() && highest == highest_note()) {
628 //cerr << "note range changed: " << lowest << " " << highest << endl;
629 //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;
631 set_note_range(lowest, highest);