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 _note_lines = new ArdourCanvas::Lineset(*canvas_group, ArdourCanvas::Lineset::Horizontal);
73 _note_lines->property_x1() = 0;
74 _note_lines->property_y1() = 0;
75 _note_lines->property_x2() = trackview().editor.frame_to_pixel (max_frames);
76 _note_lines->property_y2() = 0;
78 _note_lines->signal_event().connect (bind (mem_fun (_trackview.editor, &PublicEditor::canvas_stream_view_event), _note_lines, &_trackview));
80 note_range_adjustment.signal_value_changed().connect (mem_fun (*this, &MidiStreamView::note_range_adjustment_changed));
81 ColorsChanged.connect(mem_fun(*this, &MidiStreamView::draw_note_lines));
84 MidiStreamView::~MidiStreamView ()
90 MidiStreamView::add_region_view_internal (boost::shared_ptr<Region> r, bool wfd)
92 boost::shared_ptr<MidiRegion> region = boost::dynamic_pointer_cast<MidiRegion> (r);
98 MidiRegionView *region_view;
99 list<RegionView *>::iterator i;
101 for (i = region_views.begin(); i != region_views.end(); ++i) {
102 if ((*i)->region() == r) {
104 /* great. we already have a MidiRegionView for this Region. use it again. */
106 (*i)->set_valid (true);
107 (*i)->enable_display(wfd);
108 display_region(dynamic_cast<MidiRegionView*>(*i), wfd);
114 region_view = new MidiRegionView (canvas_group, _trackview, region,
115 _samples_per_unit, region_color);
117 region_view->init (region_color, false);
118 region_views.push_front (region_view);
120 /* follow global waveform setting */
123 region_view->enable_display(true);
124 region_view->midi_region()->midi_source(0)->load_model();
127 /* display events and find note range */
128 display_region(region_view, wfd);
130 /* always display at least 1 octave range */
131 _highest_note = max(_highest_note, static_cast<uint8_t>(_lowest_note + 11));
133 /* catch regionview going away */
134 region->GoingAway.connect (bind (mem_fun (*this, &MidiStreamView::remove_region_view), region));
136 RegionViewAdded (region_view);
142 MidiStreamView::display_region(MidiRegionView* region_view, bool load_model)
147 boost::shared_ptr<MidiSource> source(region_view->midi_region()->midi_source(0));
150 source->load_model();
152 // Find our note range
154 for (size_t i=0; i < source->model()->n_notes(); ++i)
155 update_bounds(source->model()->note_at(i)->note());
157 // Display region contents
158 region_view->display_model(source->model());
162 MidiStreamView::display_diskstream (boost::shared_ptr<Diskstream> ds)
164 StreamView::display_diskstream(ds);
169 // FIXME: code duplication with AudioStreamView
171 MidiStreamView::redisplay_diskstream ()
173 list<RegionView *>::iterator i, tmp;
175 for (i = region_views.begin(); i != region_views.end(); ++i) {
176 (*i)->enable_display(true); // FIXME: double display, remove
177 (*i)->set_valid (false);
179 /* FIXME: slow. MidiRegionView needs a find_note_range method
180 * that finds the range without wasting time drawing the events */
182 // Load model if it isn't already, to get note range
183 MidiRegionView* mrv = dynamic_cast<MidiRegionView*>(*i);
184 mrv->midi_region()->midi_source(0)->load_model();
187 //_lowest_note = 60; // middle C
188 //_highest_note = _lowest_note + 11;
190 if (_trackview.is_midi_track()) {
191 _trackview.get_diskstream()->playlist()->foreach_region (static_cast<StreamView*>(this), &StreamView::add_region_view);
194 /* Always display at least one octave */
195 if (_highest_note == 127) {
196 if (_lowest_note > (127 - 11))
197 _lowest_note = 127 - 11;
198 } else if (_highest_note < _lowest_note + 11) {
199 _highest_note = _lowest_note + 11;
202 for (i = region_views.begin(); i != region_views.end(); ) {
206 if (!(*i)->is_valid()) {
208 region_views.erase (i);
210 (*i)->enable_display(true);
211 (*i)->set_y_position_and_height(0, height); // apply note range
217 /* now fix layering */
219 for (RegionViewList::iterator i = region_views.begin(); i != region_views.end(); ++i) {
223 note_range_adjustment.set_page_size(_highest_note - _lowest_note);
224 note_range_adjustment.set_value(_lowest_note);
231 MidiStreamView::update_contents_y_position_and_height ()
233 StreamView::update_contents_y_position_and_height();
234 _note_lines->property_y2() = height;
239 MidiStreamView::draw_note_lines()
242 double prev_y = contents_height();
245 _note_lines->clear();
247 for(int i = _lowest_note; i <= _highest_note; ++i) {
248 y = floor(note_to_y(i));
250 _note_lines->add_line(prev_y, 1.0, ARDOUR_UI::config()->canvasvar_PianoRollBlackOutline.get());
258 color = ARDOUR_UI::config()->canvasvar_PianoRollBlack.get();
261 color = ARDOUR_UI::config()->canvasvar_PianoRollWhite.get();
265 if(i == _highest_note) {
266 _note_lines->add_line(y, prev_y - y, color);
269 _note_lines->add_line(y + 1.0, prev_y - y - 1.0, color);
278 MidiStreamView::set_note_range(VisibleNoteRange r)
281 if (r == FullRange) {
288 redisplay_diskstream();
292 MidiStreamView::set_note_range(uint8_t lowest, uint8_t highest) {
293 if(_range == ContentsRange) {
294 _lowest_note = lowest;
295 _highest_note = highest;
297 list<RegionView *>::iterator i;
298 for (i = region_views.begin(); i != region_views.end(); ++i) {
299 (*i)->set_y_position_and_height(0, height); // apply note range
308 MidiStreamView::update_bounds(uint8_t note_num)
310 _lowest_note = min(_lowest_note, note_num);
311 _highest_note = max(_highest_note, note_num);
316 MidiStreamView::setup_rec_box ()
318 // cerr << _trackview.name() << " streamview SRB\n";
320 if (_trackview.session().transport_rolling()) {
323 _trackview.session().record_status() == Session::Recording &&
324 _trackview.get_diskstream()->record_enabled()) {
326 if (use_rec_regions && rec_regions.size() == rec_rects.size()) {
328 /* add a new region, but don't bother if they set use_rec_regions mid-record */
330 MidiRegion::SourceList sources;
332 for (list<sigc::connection>::iterator prc = rec_data_ready_connections.begin(); prc != rec_data_ready_connections.end(); ++prc) {
335 rec_data_ready_connections.clear();
338 boost::shared_ptr<MidiDiskstream> mds = boost::dynamic_pointer_cast<MidiDiskstream>(_trackview.get_diskstream());
341 sources.push_back(mds->write_source());
343 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()))));
347 jack_nframes_t start = 0;
348 if (rec_regions.size() > 0) {
349 start = rec_regions.back().first->position() + _trackview.get_diskstream()->get_captured_frames(rec_regions.size()-1);
352 boost::shared_ptr<MidiRegion> region (boost::dynamic_pointer_cast<MidiRegion>
353 (RegionFactory::create (sources, start, 1 , "", 0, (Region::Flag)(Region::DefaultFlags | Region::DoNotSaveState), false)));
355 region->set_position (_trackview.session().transport_frame(), this);
356 rec_regions.push_back (make_pair(region, (RegionView*)0));
358 // rec regions are destroyed in setup_rec_box
360 /* we add the region later */
363 /* start a new rec box */
365 boost::shared_ptr<MidiTrack> mt = _trackview.midi_track(); /* we know what it is already */
366 boost::shared_ptr<MidiDiskstream> ds = mt->midi_diskstream();
367 jack_nframes_t frame_pos = ds->current_capture_start ();
368 gdouble xstart = _trackview.editor.frame_to_pixel (frame_pos);
372 assert(_trackview.midi_track()->mode() == Normal);
375 fill_color = ARDOUR_UI::config()->canvasvar_RecordingRect.get();
377 ArdourCanvas::SimpleRect * rec_rect = new Gnome::Canvas::SimpleRect (*canvas_group);
378 rec_rect->property_x1() = xstart;
379 rec_rect->property_y1() = 1.0;
380 rec_rect->property_x2() = xend;
381 rec_rect->property_y2() = (double) _trackview.height - 1;
382 rec_rect->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_RecordingRect.get();
383 rec_rect->property_fill_color_rgba() = fill_color;
384 rec_rect->lower_to_bottom();
387 recbox.rectangle = rec_rect;
388 recbox.start = _trackview.session().transport_frame();
391 rec_rects.push_back (recbox);
393 screen_update_connection.disconnect();
394 screen_update_connection = ARDOUR_UI::instance()->SuperRapidScreenUpdate.connect (mem_fun (*this, &MidiStreamView::update_rec_box));
398 } else if (rec_active &&
399 (_trackview.session().record_status() != Session::Recording ||
400 !_trackview.get_diskstream()->record_enabled())) {
402 screen_update_connection.disconnect();
404 rec_updating = false;
410 // cerr << "\tNOT rolling, rec_rects = " << rec_rects.size() << " rec_regions = " << rec_regions.size() << endl;
412 if (!rec_rects.empty() || !rec_regions.empty()) {
414 /* disconnect rapid update */
415 screen_update_connection.disconnect();
417 for (list<sigc::connection>::iterator prc = rec_data_ready_connections.begin(); prc != rec_data_ready_connections.end(); ++prc) {
420 rec_data_ready_connections.clear();
422 rec_updating = false;
425 /* remove temp regions */
427 for (list<pair<boost::shared_ptr<Region>,RegionView*> >::iterator iter = rec_regions.begin(); iter != rec_regions.end();) {
428 list<pair<boost::shared_ptr<Region>,RegionView*> >::iterator tmp;
433 (*iter).first->drop_references ();
440 // cerr << "\tclear " << rec_rects.size() << " rec rects\n";
442 /* transport stopped, clear boxes */
443 for (vector<RecBoxInfo>::iterator iter=rec_rects.begin(); iter != rec_rects.end(); ++iter) {
444 RecBoxInfo &rect = (*iter);
445 delete rect.rectangle;
455 MidiStreamView::update_rec_regions (boost::shared_ptr<MidiModel> data, nframes_t start, nframes_t dur)
457 ENSURE_GUI_THREAD (bind (mem_fun (*this, &MidiStreamView::update_rec_regions), data, start, dur));
459 if (use_rec_regions) {
462 bool update_range = false;
464 for (list<pair<boost::shared_ptr<Region>,RegionView*> >::iterator iter = rec_regions.begin(); iter != rec_regions.end(); n++) {
466 list<pair<boost::shared_ptr<Region>,RegionView*> >::iterator tmp;
471 if (!canvas_item_visible (rec_rects[n].rectangle)) {
472 /* rect already hidden, this region is done */
477 boost::shared_ptr<MidiRegion> region = boost::dynamic_pointer_cast<MidiRegion>(iter->first);
482 nframes_t origlen = region->length();
484 if (region == rec_regions.back().first && rec_active) {
486 if (start >= region->midi_source(0)->timeline_position()) {
488 nframes_t nlen = start + dur - region->position();
490 if (nlen != region->length()) {
493 region->set_position (_trackview.get_diskstream()->get_capture_start_frame(n), this);
494 region->set_length (start + dur - region->position(), this);
495 region->thaw ("updated");
498 /* our special initial length */
499 iter->second = add_region_view_internal (region, false);
500 ((MidiRegionView*)iter->second)->begin_write();
503 /* also update rect */
504 ArdourCanvas::SimpleRect * rect = rec_rects[n].rectangle;
505 gdouble xend = _trackview.editor.frame_to_pixel (region->position() + region->length());
506 rect->property_x2() = xend;
509 MidiRegionView* mrv = (MidiRegionView*)iter->second;
510 for (size_t i=0; i < data->n_notes(); ++i) {
512 // FIXME: slooooooooow!
514 const boost::shared_ptr<Note> note = data->note_at(i);
516 if (note->duration() > 0 && note->end_time() + region->position() > start)
517 mrv->resolve_note(note->note(), note->end_time());
519 if (note->time() + region->position() < start)
522 if (note->time() + region->position() > start + dur)
527 if (note->note() < _lowest_note) {
528 _lowest_note = note->note();
530 } else if (note->note() > _highest_note) {
531 _highest_note = note->note();
536 mrv->extend_active_notes();
542 nframes_t nlen = _trackview.get_diskstream()->get_captured_frames(n);
544 if (nlen != region->length()) {
546 if (region->source(0)->length() >= region->position() + nlen) {
549 region->set_position (_trackview.get_diskstream()->get_capture_start_frame(n), this);
550 region->set_length (nlen, this);
551 region->thaw ("updated");
554 /* our special initial length */
555 iter->second = add_region_view_internal (region, false);
559 ArdourCanvas::Item * rect = rec_rects[n].rectangle;
570 update_contents_y_position_and_height();
575 MidiStreamView::rec_data_range_ready (jack_nframes_t start, jack_nframes_t dur, boost::weak_ptr<Source> weak_src)
577 // this is called from the butler thread for now
579 ENSURE_GUI_THREAD(bind (mem_fun (*this, &MidiStreamView::rec_data_range_ready), start, dur, weak_src));
581 boost::shared_ptr<SMFSource> src (boost::dynamic_pointer_cast<SMFSource>(weak_src.lock()));
583 this->update_rec_regions (src->model(), start, dur);
587 MidiStreamView::color_handler ()
590 //case cMidiTrackBase:
591 if (_trackview.is_midi_track()) {
592 //canvas_rect->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_MidiTrackBase.get();
596 if (!_trackview.is_midi_track()) {
597 //canvas_rect->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_MidiBusBase.get();;
602 MidiStreamView::note_range_adjustment_changed() {
603 double sum = note_range_adjustment.get_value() + note_range_adjustment.get_page_size();
604 int lowest = (int) floor(note_range_adjustment.get_value());
607 if(sum == _range_sum_cache) {
608 //cerr << "cached" << endl;
609 highest = (int) floor(sum);
612 //cerr << "recalc" << endl;
613 highest = lowest + (int) floor(note_range_adjustment.get_page_size());
614 _range_sum_cache = sum;
617 if(lowest == lowest_note() && highest == highest_note()) {
621 //cerr << "note range changed: " << lowest << " " << highest << endl;
622 //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;
624 set_note_range(lowest, highest);