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 "global_signals.h"
39 #include "gui_thread.h"
41 #include "midi_region_view.h"
42 #include "midi_streamview.h"
43 #include "midi_time_axis.h"
44 #include "midi_util.h"
45 #include "public_editor.h"
46 #include "region_selection.h"
47 #include "region_view.h"
48 #include "rgb_macros.h"
49 #include "selection.h"
50 #include "simplerect.h"
54 using namespace ARDOUR;
56 using namespace Editing;
58 MidiStreamView::MidiStreamView (MidiTimeAxisView& tv)
60 , note_range_adjustment(0.0f, 0.0f, 0.0f)
62 , _range_sum_cache(-1.0)
69 /* use a group dedicated to MIDI underlays. Audio underlays are not in this group. */
70 midi_underlay_group = new ArdourCanvas::Group (*_canvas_group);
71 midi_underlay_group->lower_to_bottom();
73 /* put the note lines in the timeaxisview's group, so it
74 can be put below ghost regions from MIDI underlays*/
75 _note_lines = new ArdourCanvas::LineSet(*_canvas_group, ArdourCanvas::LineSet::Horizontal);
77 _note_lines->property_x1() = 0;
78 _note_lines->property_y1() = 0;
79 _note_lines->property_x2() = DBL_MAX;
80 _note_lines->property_y2() = 0;
82 _note_lines->signal_event().connect(sigc::bind(
83 sigc::mem_fun(_trackview.editor(), &PublicEditor::canvas_stream_view_event),
84 _note_lines, &_trackview));
86 _note_lines->lower_to_bottom();
90 ColorsChanged.connect(sigc::mem_fun(*this, &MidiStreamView::color_handler));
92 note_range_adjustment.set_page_size(_highest_note - _lowest_note);
93 note_range_adjustment.set_value(_lowest_note);
95 note_range_adjustment.signal_value_changed().connect(
96 sigc::mem_fun(*this, &MidiStreamView::note_range_adjustment_changed));
99 MidiStreamView::~MidiStreamView ()
104 veto_note_range(uint8_t& min, uint8_t& max)
106 /* Legal notes, thanks */
110 /* Always display at least one octave in [0, 127] */
112 if (min > (127 - 11)) {
115 } else if (max < min + 11) {
116 uint8_t d = 11 - (max - min);
117 if (max + d/2 > 127) {
124 assert(max - min >= 11);
130 MidiStreamView::create_region_view (boost::shared_ptr<Region> r, bool /*wfd*/, bool)
132 boost::shared_ptr<MidiRegion> region = boost::dynamic_pointer_cast<MidiRegion> (r);
138 RegionView* region_view = new MidiRegionView (_canvas_group, _trackview, region,
139 _samples_per_unit, region_color);
141 region_view->init (region_color, false);
147 MidiStreamView::add_region_view_internal (boost::shared_ptr<Region> r, bool wfd, bool recording)
149 boost::shared_ptr<MidiRegion> region = boost::dynamic_pointer_cast<MidiRegion> (r);
155 for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
156 if ((*i)->region() == r) {
158 /* great. we already have a MidiRegionView for this Region. use it again. */
160 (*i)->set_valid (true);
162 display_region(dynamic_cast<MidiRegionView*>(*i), wfd);
168 MidiRegionView* region_view = dynamic_cast<MidiRegionView*> (create_region_view (r, wfd, recording));
169 if (region_view == 0) {
173 region_views.push_front (region_view);
175 /* display events and find note range */
176 display_region (region_view, wfd);
178 /* catch regionview going away */
179 region->DropReferences.connect (*this, invalidator (*this), boost::bind (&MidiStreamView::remove_region_view, this, region), gui_context());
181 RegionViewAdded (region_view);
187 MidiStreamView::display_region(MidiRegionView* region_view, bool load_model)
192 region_view->enable_display(true);
194 boost::shared_ptr<MidiSource> source(region_view->midi_region()->midi_source(0));
197 source->load_model();
200 _range_dirty = update_data_note_range(
201 source->model()->lowest_note(),
202 source->model()->highest_note());
204 // Display region contents
205 region_view->set_height (child_height());
206 region_view->display_model(source->model());
210 MidiStreamView::display_track (boost::shared_ptr<Track> tr)
212 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() = child_height ();
300 apply_note_range (lowest_note(), highest_note(), true);
304 MidiStreamView::draw_note_lines()
311 double prev_y = contents_height();
314 _note_lines->clear();
316 if (child_height() < 140){
320 for (int i = lowest_note(); i <= highest_note(); ++i) {
321 y = floor(note_to_y(i));
323 _note_lines->add_line(prev_y, 1.0, ARDOUR_UI::config()->canvasvar_PianoRollBlackOutline.get());
331 color = ARDOUR_UI::config()->canvasvar_PianoRollBlack.get();
334 color = ARDOUR_UI::config()->canvasvar_PianoRollWhite.get();
338 if (i == highest_note()) {
339 _note_lines->add_line(y, prev_y - y, color);
341 _note_lines->add_line(y + 1.0, prev_y - y - 1.0, color);
349 MidiStreamView::set_note_range(VisibleNoteRange r)
351 if (r == FullRange) {
355 _lowest_note = _data_note_min;
356 _highest_note = _data_note_max;
359 apply_note_range(_lowest_note, _highest_note, true);
363 MidiStreamView::apply_note_range(uint8_t lowest, uint8_t highest, bool to_region_views)
365 _highest_note = highest;
366 _lowest_note = lowest;
368 int const range = _highest_note - _lowest_note;
369 int const pixels_per_note = floor (child_height () / range);
371 /* do not grow note height beyond 10 pixels */
372 if (pixels_per_note > 10) {
374 int const available_note_range = floor (child_height() / 10);
375 int additional_notes = available_note_range - range;
377 /* distribute additional notes to higher and lower ranges, clamp at 0 and 127 */
378 for (int i = 0; i < additional_notes; i++){
380 if (i % 2 && _highest_note < 127){
386 else if (_lowest_note > 0){
395 note_range_adjustment.set_page_size(_highest_note - _lowest_note);
396 note_range_adjustment.set_value(_lowest_note);
400 if (to_region_views) {
401 for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
402 ((MidiRegionView*)(*i))->apply_note_range(_lowest_note, _highest_note);
410 MidiStreamView::update_note_range(uint8_t note_num)
412 assert(note_num <= 127);
413 _data_note_min = min(_data_note_min, note_num);
414 _data_note_max = max(_data_note_max, note_num);
418 MidiStreamView::setup_rec_box ()
420 // cerr << _trackview.name() << " streamview SRB\n";
422 if (_trackview.session()->transport_rolling()) {
425 _trackview.session()->record_status() == Session::Recording &&
426 _trackview.track()->record_enabled()) {
428 if (Config->get_show_waveforms_while_recording() && rec_regions.size() == rec_rects.size()) {
430 /* add a new region, but don't bother if they set show-waveforms-while-recording mid-record */
432 MidiRegion::SourceList sources;
434 rec_data_ready_connections.drop_connections ();
436 sources.push_back (_trackview.midi_track()->write_source());
440 framepos_t start = 0;
441 if (rec_regions.size() > 0) {
442 start = rec_regions.back().first->start()
443 + _trackview.track()->get_captured_frames(rec_regions.size()-1);
446 if (!rec_regions.empty()) {
447 MidiRegionView* mrv = dynamic_cast<MidiRegionView*> (rec_regions.back().second);
453 plist.add (ARDOUR::Properties::start, start);
454 plist.add (ARDOUR::Properties::length, 1);
455 plist.add (ARDOUR::Properties::name, string());
456 plist.add (ARDOUR::Properties::layer, 0);
458 boost::shared_ptr<MidiRegion> region (boost::dynamic_pointer_cast<MidiRegion>
459 (RegionFactory::create (sources, plist, false)));
462 region->set_start (_trackview.track()->current_capture_start() - _trackview.track()->get_capture_start_frame (0), this);
463 region->set_position (_trackview.track()->current_capture_start(), this);
464 RegionView* rv = add_region_view_internal (region, false);
465 MidiRegionView* mrv = dynamic_cast<MidiRegionView*> (rv);
468 rec_regions.push_back (make_pair (region, rv));
470 // rec regions are destroyed in setup_rec_box
472 /* we add the region later */
474 setup_new_rec_layer_time (region);
477 /* start a new rec box */
479 boost::shared_ptr<MidiTrack> mt = _trackview.midi_track(); /* we know what it is already */
480 framepos_t const frame_pos = mt->current_capture_start ();
481 gdouble const xstart = _trackview.editor().frame_to_pixel (frame_pos);
482 gdouble const xend = xstart;
485 assert(_trackview.midi_track()->mode() == Normal);
487 fill_color = ARDOUR_UI::config()->canvasvar_RecordingRect.get();
489 ArdourCanvas::SimpleRect * rec_rect = new Gnome::Canvas::SimpleRect (*_canvas_group);
490 rec_rect->property_x1() = xstart;
491 rec_rect->property_y1() = 1.0;
492 rec_rect->property_x2() = xend;
493 rec_rect->property_y2() = (double) _trackview.current_height() - 1;
494 rec_rect->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_RecordingRect.get();
495 rec_rect->property_fill_color_rgba() = fill_color;
496 rec_rect->lower_to_bottom();
499 recbox.rectangle = rec_rect;
500 recbox.start = _trackview.session()->transport_frame();
503 rec_rects.push_back (recbox);
505 screen_update_connection.disconnect();
506 screen_update_connection = ARDOUR_UI::instance()->SuperRapidScreenUpdate.connect (
507 sigc::mem_fun (*this, &MidiStreamView::update_rec_box));
511 } else if (rec_active &&
512 (_trackview.session()->record_status() != Session::Recording ||
513 !_trackview.track()->record_enabled())) {
514 screen_update_connection.disconnect();
516 rec_updating = false;
521 // cerr << "\tNOT rolling, rec_rects = " << rec_rects.size() << " rec_regions = " << rec_regions.size() << endl;
523 if (!rec_rects.empty() || !rec_regions.empty()) {
525 /* disconnect rapid update */
526 screen_update_connection.disconnect();
527 rec_data_ready_connections.drop_connections ();
529 rec_updating = false;
532 /* remove temp regions */
534 for (list<pair<boost::shared_ptr<Region>,RegionView*> >::iterator iter = rec_regions.begin(); iter != rec_regions.end();) {
535 list<pair<boost::shared_ptr<Region>,RegionView*> >::iterator tmp;
540 (*iter).first->drop_references ();
547 // cerr << "\tclear " << rec_rects.size() << " rec rects\n";
549 /* transport stopped, clear boxes */
550 for (vector<RecBoxInfo>::iterator iter=rec_rects.begin(); iter != rec_rects.end(); ++iter) {
551 RecBoxInfo &rect = (*iter);
552 delete rect.rectangle;
562 MidiStreamView::color_handler ()
566 if (_trackview.is_midi_track()) {
567 canvas_rect->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_MidiTrackBase.get();
569 canvas_rect->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_MidiBusBase.get();;
574 MidiStreamView::note_range_adjustment_changed()
576 double sum = note_range_adjustment.get_value() + note_range_adjustment.get_page_size();
577 int lowest = (int) floor(note_range_adjustment.get_value());
580 if (sum == _range_sum_cache) {
581 //cerr << "cached" << endl;
582 highest = (int) floor(sum);
584 //cerr << "recalc" << endl;
585 highest = lowest + (int) floor(note_range_adjustment.get_page_size());
586 _range_sum_cache = sum;
589 if (lowest == _lowest_note && highest == _highest_note) {
593 //cerr << "note range adjustment changed: " << lowest << " " << highest << endl;
594 //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;
596 _lowest_note = lowest;
597 _highest_note = highest;
598 apply_note_range(lowest, highest, true);
602 MidiStreamView::update_rec_box ()
604 StreamView::update_rec_box ();
606 if (rec_regions.empty()) {
610 /* Update the region being recorded to reflect where we currently are */
611 boost::shared_ptr<ARDOUR::Region> region = rec_regions.back().first;
612 region->set_length (_trackview.track()->current_capture_end () - _trackview.track()->current_capture_start(), this);
614 MidiRegionView* mrv = dynamic_cast<MidiRegionView*> (rec_regions.back().second);
615 mrv->extend_active_notes ();