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/smf_source.h>
33 #include <ardour/region_factory.h>
35 #include "midi_streamview.h"
36 #include "region_view.h"
37 #include "midi_region_view.h"
38 #include "midi_time_axis.h"
39 #include "canvas-simplerect.h"
40 #include "region_selection.h"
41 #include "selection.h"
42 #include "public_editor.h"
43 #include "ardour_ui.h"
44 #include "rgb_macros.h"
45 #include "gui_thread.h"
47 #include "simplerect.h"
51 using namespace ARDOUR;
53 using namespace Editing;
55 MidiStreamView::MidiStreamView (MidiTimeAxisView& tv)
57 , note_range_adjustment(0.0f, 0.0f, 0.0f)
58 , _range(ContentsRange)
59 , _range_sum_cache(-1.0)
64 stream_base_color = ARDOUR_UI::config()->canvasvar_MidiTrackBase.get();
66 stream_base_color = ARDOUR_UI::config()->canvasvar_MidiBusBase.get();
68 use_rec_regions = tv.editor.show_waveforms_recording ();
70 /* use a group dedicated to MIDI underlays. Audio underlays are not in this group. */
71 midi_underlay_group = new ArdourCanvas::Group (*canvas_group);
72 midi_underlay_group->lower_to_bottom();
74 /* put the note lines in the timeaxisview's group, so it
75 can be put below ghost regions from MIDI underlays*/
76 _note_lines = new ArdourCanvas::Lineset(*canvas_group, ArdourCanvas::Lineset::Horizontal);
78 _note_lines->property_x1() = 0;
79 _note_lines->property_y1() = 0;
80 _note_lines->property_x2() = trackview().editor.frame_to_pixel (max_frames);
81 _note_lines->property_y2() = 0;
83 _note_lines->signal_event().connect (bind (mem_fun (_trackview.editor, &PublicEditor::canvas_stream_view_event), _note_lines, &_trackview));
84 _note_lines->lower_to_bottom();
86 note_range_adjustment.signal_value_changed().connect (mem_fun (*this, &MidiStreamView::note_range_adjustment_changed));
87 ColorsChanged.connect(mem_fun(*this, &MidiStreamView::draw_note_lines));
90 MidiStreamView::~MidiStreamView ()
96 MidiStreamView::add_region_view_internal (boost::shared_ptr<Region> r, bool wfd)
98 boost::shared_ptr<MidiRegion> region = boost::dynamic_pointer_cast<MidiRegion> (r);
104 MidiRegionView *region_view;
105 list<RegionView *>::iterator i;
107 for (i = region_views.begin(); i != region_views.end(); ++i) {
108 if ((*i)->region() == r) {
110 /* great. we already have a MidiRegionView for this Region. use it again. */
112 (*i)->set_valid (true);
113 (*i)->enable_display(wfd);
114 display_region(dynamic_cast<MidiRegionView*>(*i), wfd);
120 region_view = new MidiRegionView (canvas_group, _trackview, region,
121 _samples_per_unit, region_color);
123 region_view->init (region_color, false);
124 region_views.push_front (region_view);
126 /* follow global waveform setting */
129 region_view->enable_display(true);
130 region_view->midi_region()->midi_source(0)->load_model();
133 /* display events and find note range */
134 display_region(region_view, wfd);
136 /* always display at least 1 octave range */
137 _highest_note = max(_highest_note, static_cast<uint8_t>(_lowest_note + 11));
139 /* catch regionview going away */
140 region->GoingAway.connect (bind (mem_fun (*this, &MidiStreamView::remove_region_view), region));
142 RegionViewAdded (region_view);
148 MidiStreamView::display_region(MidiRegionView* region_view, bool load_model)
153 boost::shared_ptr<MidiSource> source(region_view->midi_region()->midi_source(0));
156 source->load_model();
158 // Find our note range
160 for (size_t i=0; i < source->model()->n_notes(); ++i)
161 update_bounds(source->model()->note_at(i)->note());
163 // Display region contents
164 region_view->display_model(source->model());
168 MidiStreamView::display_diskstream (boost::shared_ptr<Diskstream> ds)
170 StreamView::display_diskstream(ds);
175 // FIXME: code duplication with AudioStreamView
177 MidiStreamView::redisplay_diskstream ()
179 list<RegionView *>::iterator i, tmp;
181 for (i = region_views.begin(); i != region_views.end(); ++i) {
182 (*i)->enable_display(true); // FIXME: double display, remove
183 (*i)->set_valid (false);
185 /* FIXME: slow. MidiRegionView needs a find_note_range method
186 * that finds the range without wasting time drawing the events */
188 // Load model if it isn't already, to get note range
189 MidiRegionView* mrv = dynamic_cast<MidiRegionView*>(*i);
190 mrv->midi_region()->midi_source(0)->load_model();
193 //_lowest_note = 60; // middle C
194 //_highest_note = _lowest_note + 11;
196 if (_trackview.is_midi_track()) {
197 _trackview.get_diskstream()->playlist()->foreach_region (static_cast<StreamView*>(this), &StreamView::add_region_view);
200 /* Always display at least one octave */
201 if (_highest_note == 127) {
202 if (_lowest_note > (127 - 11))
203 _lowest_note = 127 - 11;
204 } else if (_highest_note < _lowest_note + 11) {
205 _highest_note = _lowest_note + 11;
208 for (i = region_views.begin(); i != region_views.end(); ) {
212 if (!(*i)->is_valid()) {
214 region_views.erase (i);
216 (*i)->enable_display(true);
217 (*i)->set_y_position_and_height(0, height); // apply note range
223 /* now fix layering */
225 for (RegionViewList::iterator i = region_views.begin(); i != region_views.end(); ++i) {
229 note_range_adjustment.set_page_size(_highest_note - _lowest_note);
230 note_range_adjustment.set_value(_lowest_note);
237 MidiStreamView::update_contents_y_position_and_height ()
239 StreamView::update_contents_y_position_and_height();
240 _note_lines->property_y2() = height;
245 MidiStreamView::draw_note_lines()
248 double prev_y = contents_height();
251 _note_lines->clear();
253 for(int i = _lowest_note; i <= _highest_note; ++i) {
254 y = floor(note_to_y(i));
256 _note_lines->add_line(prev_y, 1.0, ARDOUR_UI::config()->canvasvar_PianoRollBlackOutline.get());
264 color = ARDOUR_UI::config()->canvasvar_PianoRollBlack.get();
267 color = ARDOUR_UI::config()->canvasvar_PianoRollWhite.get();
271 if(i == _highest_note) {
272 _note_lines->add_line(y, prev_y - y, color);
275 _note_lines->add_line(y + 1.0, prev_y - y - 1.0, color);
284 MidiStreamView::set_note_range(VisibleNoteRange r)
287 if (r == FullRange) {
294 redisplay_diskstream();
298 MidiStreamView::set_note_range(uint8_t lowest, uint8_t highest) {
299 if(_range == ContentsRange) {
300 _lowest_note = lowest;
301 _highest_note = highest;
303 list<RegionView *>::iterator i;
304 for (i = region_views.begin(); i != region_views.end(); ++i) {
305 (*i)->set_y_position_and_height(0, height); // apply note range
314 MidiStreamView::update_bounds(uint8_t note_num)
316 _lowest_note = min(_lowest_note, note_num);
317 _highest_note = max(_highest_note, note_num);
322 MidiStreamView::setup_rec_box ()
324 // cerr << _trackview.name() << " streamview SRB\n";
326 if (_trackview.session().transport_rolling()) {
329 _trackview.session().record_status() == Session::Recording &&
330 _trackview.get_diskstream()->record_enabled()) {
332 if (use_rec_regions && rec_regions.size() == rec_rects.size()) {
334 /* add a new region, but don't bother if they set use_rec_regions mid-record */
336 MidiRegion::SourceList sources;
338 for (list<sigc::connection>::iterator prc = rec_data_ready_connections.begin(); prc != rec_data_ready_connections.end(); ++prc) {
341 rec_data_ready_connections.clear();
344 boost::shared_ptr<MidiDiskstream> mds = boost::dynamic_pointer_cast<MidiDiskstream>(_trackview.get_diskstream());
347 sources.push_back(mds->write_source());
349 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()))));
353 jack_nframes_t start = 0;
354 if (rec_regions.size() > 0) {
355 start = rec_regions.back().first->position() + _trackview.get_diskstream()->get_captured_frames(rec_regions.size()-1);
358 boost::shared_ptr<MidiRegion> region (boost::dynamic_pointer_cast<MidiRegion>
359 (RegionFactory::create (sources, start, 1 , "", 0, (Region::Flag)(Region::DefaultFlags | Region::DoNotSaveState), false)));
361 region->set_position (_trackview.session().transport_frame(), this);
362 rec_regions.push_back (make_pair(region, (RegionView*)0));
364 // rec regions are destroyed in setup_rec_box
366 /* we add the region later */
369 /* start a new rec box */
371 boost::shared_ptr<MidiTrack> mt = _trackview.midi_track(); /* we know what it is already */
372 boost::shared_ptr<MidiDiskstream> ds = mt->midi_diskstream();
373 jack_nframes_t frame_pos = ds->current_capture_start ();
374 gdouble xstart = _trackview.editor.frame_to_pixel (frame_pos);
378 assert(_trackview.midi_track()->mode() == Normal);
381 fill_color = ARDOUR_UI::config()->canvasvar_RecordingRect.get();
383 ArdourCanvas::SimpleRect * rec_rect = new Gnome::Canvas::SimpleRect (*canvas_group);
384 rec_rect->property_x1() = xstart;
385 rec_rect->property_y1() = 1.0;
386 rec_rect->property_x2() = xend;
387 rec_rect->property_y2() = (double) _trackview.height - 1;
388 rec_rect->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_RecordingRect.get();
389 rec_rect->property_fill_color_rgba() = fill_color;
390 rec_rect->lower_to_bottom();
393 recbox.rectangle = rec_rect;
394 recbox.start = _trackview.session().transport_frame();
397 rec_rects.push_back (recbox);
399 screen_update_connection.disconnect();
400 screen_update_connection = ARDOUR_UI::instance()->SuperRapidScreenUpdate.connect (mem_fun (*this, &MidiStreamView::update_rec_box));
404 } else if (rec_active &&
405 (_trackview.session().record_status() != Session::Recording ||
406 !_trackview.get_diskstream()->record_enabled())) {
408 screen_update_connection.disconnect();
410 rec_updating = false;
416 // cerr << "\tNOT rolling, rec_rects = " << rec_rects.size() << " rec_regions = " << rec_regions.size() << endl;
418 if (!rec_rects.empty() || !rec_regions.empty()) {
420 /* disconnect rapid update */
421 screen_update_connection.disconnect();
423 for (list<sigc::connection>::iterator prc = rec_data_ready_connections.begin(); prc != rec_data_ready_connections.end(); ++prc) {
426 rec_data_ready_connections.clear();
428 rec_updating = false;
431 /* remove temp regions */
433 for (list<pair<boost::shared_ptr<Region>,RegionView*> >::iterator iter = rec_regions.begin(); iter != rec_regions.end();) {
434 list<pair<boost::shared_ptr<Region>,RegionView*> >::iterator tmp;
439 (*iter).first->drop_references ();
446 // cerr << "\tclear " << rec_rects.size() << " rec rects\n";
448 /* transport stopped, clear boxes */
449 for (vector<RecBoxInfo>::iterator iter=rec_rects.begin(); iter != rec_rects.end(); ++iter) {
450 RecBoxInfo &rect = (*iter);
451 delete rect.rectangle;
461 MidiStreamView::update_rec_regions (boost::shared_ptr<MidiModel> data, nframes_t start, nframes_t dur)
463 ENSURE_GUI_THREAD (bind (mem_fun (*this, &MidiStreamView::update_rec_regions), data, start, dur));
465 if (use_rec_regions) {
468 bool update_range = false;
470 for (list<pair<boost::shared_ptr<Region>,RegionView*> >::iterator iter = rec_regions.begin(); iter != rec_regions.end(); n++) {
472 list<pair<boost::shared_ptr<Region>,RegionView*> >::iterator tmp;
477 if (!canvas_item_visible (rec_rects[n].rectangle)) {
478 /* rect already hidden, this region is done */
483 boost::shared_ptr<MidiRegion> region = boost::dynamic_pointer_cast<MidiRegion>(iter->first);
488 nframes_t origlen = region->length();
490 if (region == rec_regions.back().first && rec_active) {
492 if (start >= region->midi_source(0)->timeline_position()) {
494 nframes_t nlen = start + dur - region->position();
496 if (nlen != region->length()) {
499 region->set_position (_trackview.get_diskstream()->get_capture_start_frame(n), this);
500 region->set_length (start + dur - region->position(), this);
501 region->thaw ("updated");
504 /* our special initial length */
505 iter->second = add_region_view_internal (region, false);
506 ((MidiRegionView*)iter->second)->begin_write();
509 /* also update rect */
510 ArdourCanvas::SimpleRect * rect = rec_rects[n].rectangle;
511 gdouble xend = _trackview.editor.frame_to_pixel (region->position() + region->length());
512 rect->property_x2() = xend;
515 MidiRegionView* mrv = (MidiRegionView*)iter->second;
516 for (size_t i=0; i < data->n_notes(); ++i) {
518 // FIXME: slooooooooow!
520 const boost::shared_ptr<Note> note = data->note_at(i);
522 if (note->duration() > 0 && note->end_time() + region->position() > start)
523 mrv->resolve_note(note->note(), note->end_time());
525 if (note->time() + region->position() < start)
528 if (note->time() + region->position() > start + dur)
533 if (note->note() < _lowest_note) {
534 _lowest_note = note->note();
536 } else if (note->note() > _highest_note) {
537 _highest_note = note->note();
542 mrv->extend_active_notes();
548 nframes_t nlen = _trackview.get_diskstream()->get_captured_frames(n);
550 if (nlen != region->length()) {
552 if (region->source(0)->length() >= region->position() + nlen) {
555 region->set_position (_trackview.get_diskstream()->get_capture_start_frame(n), this);
556 region->set_length (nlen, this);
557 region->thaw ("updated");
560 /* our special initial length */
561 iter->second = add_region_view_internal (region, false);
565 ArdourCanvas::Item * rect = rec_rects[n].rectangle;
576 update_contents_y_position_and_height();
581 MidiStreamView::rec_data_range_ready (jack_nframes_t start, jack_nframes_t dur, boost::weak_ptr<Source> weak_src)
583 // this is called from the butler thread for now
585 ENSURE_GUI_THREAD(bind (mem_fun (*this, &MidiStreamView::rec_data_range_ready), start, dur, weak_src));
587 boost::shared_ptr<SMFSource> src (boost::dynamic_pointer_cast<SMFSource>(weak_src.lock()));
589 this->update_rec_regions (src->model(), start, dur);
593 MidiStreamView::color_handler ()
596 //case cMidiTrackBase:
597 if (_trackview.is_midi_track()) {
598 //canvas_rect->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_MidiTrackBase.get();
602 if (!_trackview.is_midi_track()) {
603 //canvas_rect->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_MidiBusBase.get();;
608 MidiStreamView::note_range_adjustment_changed() {
609 double sum = note_range_adjustment.get_value() + note_range_adjustment.get_page_size();
610 int lowest = (int) floor(note_range_adjustment.get_value());
613 if(sum == _range_sum_cache) {
614 //cerr << "cached" << endl;
615 highest = (int) floor(sum);
618 //cerr << "recalc" << endl;
619 highest = lowest + (int) floor(note_range_adjustment.get_page_size());
620 _range_sum_cache = sum;
623 if(lowest == lowest_note() && highest == highest_note()) {
627 //cerr << "note range changed: " << lowest << " " << highest << endl;
628 //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;
630 set_note_range(lowest, highest);