715 lines
19 KiB
C++
715 lines
19 KiB
C++
/*
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* Copyright (C) 2006-2014 David Robillard <d@drobilla.net>
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* Copyright (C) 2007 Doug McLain <doug@nostar.net>
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* Copyright (C) 2008-2017 Paul Davis <paul@linuxaudiosystems.com>
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* Copyright (C) 2009-2012 Carl Hetherington <carl@carlh.net>
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* Copyright (C) 2014-2019 Robin Gareus <robin@gareus.org>
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* Copyright (C) 2015 Tim Mayberry <mojofunk@gmail.com>
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* Copyright (C) 2016 Nick Mainsbridge <mainsbridge@gmail.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include <cmath>
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#include <utility>
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#include <gtkmm.h>
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#include <gtkmm2ext/gtk_ui.h>
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#include "canvas/line_set.h"
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#include "canvas/rectangle.h"
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#include "ardour/midi_region.h"
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#include "ardour/midi_source.h"
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#include "ardour/midi_track.h"
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#include "ardour/operations.h"
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#include "ardour/region_factory.h"
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#include "ardour/session.h"
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#include "ardour/smf_source.h"
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#include "ardour/evoral_types_convert.h"
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#include "gui_thread.h"
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#include "midi_region_view.h"
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#include "midi_streamview.h"
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#include "midi_time_axis.h"
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#include "midi_util.h"
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#include "public_editor.h"
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#include "region_selection.h"
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#include "region_view.h"
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#include "rgb_macros.h"
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#include "selection.h"
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#include "ui_config.h"
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#include "utils.h"
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#include "pbd/i18n.h"
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using namespace std;
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using namespace ARDOUR;
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using namespace ARDOUR_UI_UTILS;
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using namespace PBD;
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using namespace Editing;
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MidiStreamView::MidiStreamView (MidiTimeAxisView& tv)
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: StreamView (tv)
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, note_range_adjustment(0.0f, 0.0f, 0.0f)
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, _range_dirty(false)
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, _range_sum_cache(-1.0)
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, _lowest_note(UIConfiguration::instance().get_default_lower_midi_note())
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, _highest_note(UIConfiguration::instance().get_default_upper_midi_note())
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, _data_note_min(60)
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, _data_note_max(71)
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, _note_lines (0)
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, _updates_suspended (false)
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{
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/* use a dedicated group for MIDI regions (on top of the grid and lines) */
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_region_group = new ArdourCanvas::Container (_canvas_group);
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_region_group->raise_to_top ();
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_region_group->set_render_with_alpha (UIConfiguration::instance().modifier ("region alpha").a());
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/* put the note lines in the timeaxisview's group, so it
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can be put below ghost regions from MIDI underlays
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*/
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_note_lines = new ArdourCanvas::LineSet (_canvas_group, ArdourCanvas::LineSet::Horizontal);
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_note_lines->Event.connect(
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sigc::bind(sigc::mem_fun(_trackview.editor(),
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&PublicEditor::canvas_stream_view_event),
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_note_lines, &_trackview));
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_note_lines->lower_to_bottom();
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color_handler ();
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UIConfiguration::instance().ColorsChanged.connect(sigc::mem_fun(*this, &MidiStreamView::color_handler));
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UIConfiguration::instance().ParameterChanged.connect(sigc::mem_fun(*this, &MidiStreamView::parameter_changed));
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note_range_adjustment.set_page_size(_highest_note - _lowest_note);
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note_range_adjustment.set_value(_lowest_note);
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note_range_adjustment.signal_value_changed().connect(
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sigc::mem_fun(*this, &MidiStreamView::note_range_adjustment_changed));
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}
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MidiStreamView::~MidiStreamView ()
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{
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}
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void
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MidiStreamView::parameter_changed (string const & param)
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{
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if (param == X_("max-note-height")) {
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apply_note_range (_lowest_note, _highest_note, true);
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} else {
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StreamView::parameter_changed (param);
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}
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}
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RegionView*
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MidiStreamView::create_region_view (std::shared_ptr<Region> r, bool /*wfd*/, bool recording)
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{
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std::shared_ptr<MidiRegion> region = std::dynamic_pointer_cast<MidiRegion> (r);
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if (region == 0) {
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return 0;
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}
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RegionView* region_view = NULL;
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if (recording) {
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region_view = new MidiRegionView (
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_region_group, _trackview, region,
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_samples_per_pixel, region_color, recording,
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TimeAxisViewItem::Visibility(TimeAxisViewItem::ShowFrame));
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} else {
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region_view = new MidiRegionView (_region_group, _trackview, region,
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_samples_per_pixel, region_color);
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}
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region_view->init (false);
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return region_view;
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}
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RegionView*
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MidiStreamView::add_region_view_internal (std::shared_ptr<Region> r, bool wait_for_data, bool recording)
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{
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std::shared_ptr<MidiRegion> region = std::dynamic_pointer_cast<MidiRegion> (r);
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if (!region) {
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return 0;
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}
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for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
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if ((*i)->region() == r) {
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/* great. we already have a MidiRegionView for this Region. use it again. */
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(*i)->set_valid (true);
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display_region (dynamic_cast<MidiRegionView*>(*i), wait_for_data);
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return 0;
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}
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}
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MidiRegionView* region_view = dynamic_cast<MidiRegionView*> (create_region_view (r, wait_for_data, recording));
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if (region_view == 0) {
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return 0;
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}
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region_views.push_front (region_view);
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{
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RegionView::DisplaySuspender ds (*region_view, false);
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display_region (region_view, wait_for_data);
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/* fit note range if we are importing */
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if (_trackview.session()->operation_in_progress (Operations::insert_file)) {
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/* this will call display_region() */
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set_note_range (ContentsRange);
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}
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}
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/* catch regionview going away */
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std::weak_ptr<Region> wr (region); // make this explicit
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region->DropReferences.connect (*this, invalidator (*this), boost::bind (&MidiStreamView::remove_region_view, this, wr), gui_context());
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RegionViewAdded (region_view);
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return region_view;
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}
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void
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MidiStreamView::display_region (MidiRegionView* region_view, bool)
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{
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if (!region_view) {
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return;
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}
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RegionView::DisplaySuspender ds (*region_view, false);
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region_view->set_height (child_height());
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std::shared_ptr<MidiSource> source (region_view->midi_region()->midi_source(0));
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if (!source) {
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error << _("attempt to display MIDI region with no source") << endmsg;
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return;
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}
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if (!source->model()) {
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error << _("attempt to display MIDI region with no model") << endmsg;
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return;
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}
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_range_dirty = update_data_note_range (source->model()->lowest_note(), source->model()->highest_note());
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// Display region contents
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region_view->display_model (source->model());
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}
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void
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MidiStreamView::display_track (std::shared_ptr<Track> tr)
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{
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StreamView::display_track (tr);
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draw_note_lines();
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NoteRangeChanged(); /* EMIT SIGNAL*/
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}
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void
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MidiStreamView::update_contents_metrics(std::shared_ptr<Region> r)
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{
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std::shared_ptr<MidiRegion> mr = std::dynamic_pointer_cast<MidiRegion>(r);
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if (mr) {
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Source::ReaderLock lm (mr->midi_source(0)->mutex());
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_range_dirty = update_data_note_range (mr->model()->lowest_note(), mr->model()->highest_note());
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}
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}
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bool
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MidiStreamView::update_data_note_range(uint8_t min, uint8_t max)
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{
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bool dirty = false;
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if (min < _data_note_min) {
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_data_note_min = min;
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dirty = true;
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}
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if (max > _data_note_max) {
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_data_note_max = max;
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dirty = true;
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}
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return dirty;
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}
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void
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MidiStreamView::set_layer_display (LayerDisplay d)
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{
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//revert this change for now. Although stacked view is weirdly implemented wrt the "scroomer", it is still necessary to manage layered midi regions.
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// if (d != Overlaid) {
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// return;
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// }
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StreamView::set_layer_display (d);
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for (auto& rv : region_views) {
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rv->set_frame_color ();
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}
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}
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void
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MidiStreamView::redisplay_track ()
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{
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if (!_trackview.is_midi_track()) {
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return;
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}
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list<RegionView*>::iterator i;
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// Load models if necessary, and find note range of all our contents
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_range_dirty = false;
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_data_note_min = 127;
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_data_note_max = 0;
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_trackview.track()->playlist()->foreach_region(
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sigc::mem_fun (*this, &StreamView::update_contents_metrics));
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// No notes, use default range
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if (!_range_dirty) {
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_data_note_min = 60;
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_data_note_max = 71;
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}
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vector<RegionView::DisplaySuspender> vds;
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// Flag region views as invalid and disable drawing
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for (i = region_views.begin(); i != region_views.end(); ++i) {
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(*i)->set_valid (false);
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vds.push_back (RegionView::DisplaySuspender (**i, false));
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}
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// Add and display region views, and flag them as valid
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_trackview.track()->playlist()->foreach_region (sigc::hide_return (sigc::mem_fun (*this, &StreamView::add_region_view)));
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// Stack regions by layer, and remove invalid regions
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layer_regions();
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// Update note range (not regions which are correct) and draw note lines
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apply_note_range (_lowest_note, _highest_note, false);
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}
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void
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MidiStreamView::update_contents_height ()
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{
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StreamView::update_contents_height();
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_note_lines->set_extent (ArdourCanvas::COORD_MAX);
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apply_note_range (lowest_note(), highest_note(), true);
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}
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void
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MidiStreamView::draw_note_lines()
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{
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if (!_note_lines || _updates_suspended) {
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return;
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}
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double y;
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double prev_y = 0.;
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uint32_t color;
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ArdourCanvas::LineSet::ResetRAII lr (*_note_lines);
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if (child_height() < 140 || note_height() < 3) {
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/* track is too small for note lines, or there are too many */
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return;
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}
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/* do this is order of highest ... lowest since that matches the
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* coordinate system in which y=0 is at the top
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*/
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for (int i = highest_note() + 1; i >= lowest_note(); --i) {
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y = floor (note_to_y (i));
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/* this is the line actually corresponding to the division
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* between notes
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*/
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if (i <= highest_note()) {
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_note_lines->add_coord (y, 1.0, UIConfiguration::instance().color ("piano roll black outline"));
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}
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/* now add a thicker line/bar which covers the entire vertical
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* height of this note.
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*/
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switch (i % 12) {
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case 1:
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case 3:
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case 6:
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case 8:
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case 10:
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color = UIConfiguration::instance().color_mod ("piano roll black", "piano roll black");
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break;
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default:
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color = UIConfiguration::instance().color_mod ("piano roll white", "piano roll white");
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break;
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}
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double h = y - prev_y;
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double mid = y + (h/2.0);
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/* Cairo: odd width lines must be placed on 0.5 coordinates to be
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* drawn correctly.
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*/
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if (!fmod (h, 2.) && !fmod (mid, 1.)) {
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mid += 0.5;
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}
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if (mid >= 0 && h > 1.0) {
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_note_lines->add_coord (mid, h, color);
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}
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prev_y = y;
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}
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}
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void
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MidiStreamView::set_note_range(VisibleNoteRange r)
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{
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if (r == FullRange) {
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_lowest_note = 0;
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_highest_note = 127;
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} else {
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_lowest_note = _data_note_min;
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_highest_note = _data_note_max;
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}
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apply_note_range(_lowest_note, _highest_note, true);
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}
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void
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MidiStreamView::apply_note_range(uint8_t lowest, uint8_t highest, bool to_region_views)
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{
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_highest_note = highest;
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_lowest_note = lowest;
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float uiscale = UIConfiguration::instance().get_ui_scale();
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uiscale = expf (uiscale) / expf (1.f);
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const int mnh = UIConfiguration::instance().get_max_note_height();
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int const max_note_height = std::max<int> (mnh, mnh * uiscale);
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int const range = _highest_note - _lowest_note;
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int const available_note_range = floor (child_height() / max_note_height);
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int additional_notes = available_note_range - range;
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/* distribute additional notes to higher and lower ranges, clamp at 0 and 127 */
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for (int i = 0; i < additional_notes; i++){
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if (i % 2 && _highest_note < 127){
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_highest_note++;
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}
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else if (i % 2) {
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_lowest_note--;
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}
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else if (_lowest_note > 0){
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_lowest_note--;
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}
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else {
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_highest_note++;
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}
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}
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note_range_adjustment.set_page_size (_highest_note - _lowest_note);
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note_range_adjustment.set_value (_lowest_note);
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draw_note_lines();
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if (to_region_views) {
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apply_note_range_to_regions ();
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}
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NoteRangeChanged(); /* EMIT SIGNAL*/
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}
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void
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MidiStreamView::apply_note_range_to_regions ()
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{
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if (!_updates_suspended) {
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for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
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((MidiRegionView*)(*i))->apply_note_range(_lowest_note, _highest_note);
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}
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}
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}
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void
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MidiStreamView::update_note_range(uint8_t note_num)
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{
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_data_note_min = min(_data_note_min, note_num);
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_data_note_max = max(_data_note_max, note_num);
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}
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void
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MidiStreamView::setup_rec_box ()
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{
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// cerr << _trackview.name() << " streamview SRB\n";
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if (!_trackview.session()->transport_stopped_or_stopping() &&
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(_trackview.session()->transport_rolling() || _trackview.session()->get_record_enabled())) {
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if (!rec_active &&
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_trackview.session()->record_status() == Session::Recording &&
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_trackview.track()->rec_enable_control()->get_value()) {
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if (UIConfiguration::instance().get_show_waveforms_while_recording() && rec_regions.size() == rec_rects.size()) {
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/* add a new region, but don't bother if they set show-waveforms-while-recording mid-record */
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MidiRegion::SourceList sources;
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rec_data_ready_connections.drop_connections ();
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sources.push_back (_trackview.midi_track()->write_source());
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// handle multi
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timepos_t start;
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if (rec_regions.size() > 0) {
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start = rec_regions.back().first->start()
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+ timepos_t (_trackview.track()->get_captured_samples (rec_regions.size() - 1));
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}
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if (!rec_regions.empty()) {
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MidiRegionView* mrv = dynamic_cast<MidiRegionView*> (rec_regions.back().second);
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mrv->end_write ();
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}
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PropertyList plist;
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plist.add (ARDOUR::Properties::start, start);
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plist.add (ARDOUR::Properties::length, timepos_t (Temporal::Beats::ticks (1)));
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/* Just above we're setting this nascent region's length to 1 tick. I think this is so
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that the RegionView gets created with a non-zero width, as apparently creating a
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RegionView with a zero width causes it never to be displayed (there is a warning in
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TimeAxisViewItem::init about this). We don't want to use 1 sample since that results
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in zero length musical time duration.
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*/
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plist.add (ARDOUR::Properties::name, string());
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plist.add (ARDOUR::Properties::layer, 0);
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std::shared_ptr<MidiRegion> region (std::dynamic_pointer_cast<MidiRegion>
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(RegionFactory::create (sources, plist, false)));
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if (region) {
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/* MIDI regions should likely not be positioned using audio time, but this is
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* just a rec-region, so we don't really care
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*/
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region->set_start (timepos_t (_trackview.track()->current_capture_start() - _trackview.track()->get_capture_start_sample (0)));
|
|
region->set_position (timepos_t (_trackview.track()->current_capture_start ()));
|
|
|
|
RegionView* rv = add_region_view_internal (region, false, true);
|
|
MidiRegionView* mrv = dynamic_cast<MidiRegionView*> (rv);
|
|
mrv->begin_write ();
|
|
|
|
/* rec region will be destroyed in setup_rec_box */
|
|
rec_regions.push_back (make_pair (region, rv));
|
|
|
|
/* we add the region later */
|
|
setup_new_rec_layer_time (region);
|
|
} else {
|
|
error << _("failed to create MIDI region") << endmsg;
|
|
}
|
|
}
|
|
|
|
/* start a new rec box */
|
|
|
|
create_rec_box (_trackview.midi_track()->current_capture_start(), 0);
|
|
|
|
} else if (rec_active &&
|
|
(_trackview.session()->record_status() != Session::Recording ||
|
|
!_trackview.track()->rec_enable_control()->get_value())) {
|
|
screen_update_connection.disconnect();
|
|
rec_active = false;
|
|
rec_updating = false;
|
|
}
|
|
|
|
} else {
|
|
|
|
// cerr << "\tNOT rolling, rec_rects = " << rec_rects.size() << " rec_regions = " << rec_regions.size() << endl;
|
|
cleanup_rec_box ();
|
|
|
|
}
|
|
}
|
|
|
|
void
|
|
MidiStreamView::color_handler ()
|
|
{
|
|
_region_group->set_render_with_alpha (UIConfiguration::instance().modifier ("region alpha").a());
|
|
draw_note_lines ();
|
|
|
|
if (_trackview.is_midi_track()) {
|
|
canvas_rect->set_fill_color (UIConfiguration::instance().color_mod ("midi track base", "midi track base"));
|
|
} else {
|
|
canvas_rect->set_fill_color (UIConfiguration::instance().color ("midi bus base"));
|
|
}
|
|
}
|
|
|
|
void
|
|
MidiStreamView::note_range_adjustment_changed()
|
|
{
|
|
double sum = note_range_adjustment.get_value() + note_range_adjustment.get_page_size();
|
|
int lowest = (int) floor(note_range_adjustment.get_value());
|
|
int highest;
|
|
|
|
if (sum == _range_sum_cache) {
|
|
//cerr << "cached" << endl;
|
|
highest = (int) floor(sum);
|
|
} else {
|
|
//cerr << "recalc" << endl;
|
|
highest = lowest + (int) floor(note_range_adjustment.get_page_size());
|
|
_range_sum_cache = sum;
|
|
}
|
|
|
|
if (lowest == _lowest_note && highest == _highest_note) {
|
|
return;
|
|
}
|
|
|
|
//cerr << "note range adjustment changed: " << lowest << " " << highest << endl;
|
|
//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;
|
|
|
|
_lowest_note = lowest;
|
|
_highest_note = highest;
|
|
apply_note_range(lowest, highest, true);
|
|
}
|
|
|
|
void
|
|
MidiStreamView::update_rec_box ()
|
|
{
|
|
StreamView::update_rec_box ();
|
|
|
|
if (rec_regions.empty()) {
|
|
return;
|
|
}
|
|
|
|
/* Update the region being recorded to reflect where we currently are */
|
|
std::shared_ptr<ARDOUR::Region> region = rec_regions.back().first;
|
|
region->set_length (timecnt_t (_trackview.track()->current_capture_end () - _trackview.track()->current_capture_start()));
|
|
|
|
MidiRegionView* mrv = dynamic_cast<MidiRegionView*> (rec_regions.back().second);
|
|
mrv->extend_active_notes ();
|
|
}
|
|
|
|
uint8_t
|
|
MidiStreamView::y_to_note (double y) const
|
|
{
|
|
int const n = ((contents_height() - y) / contents_height() * (double)contents_note_range())
|
|
+ lowest_note();
|
|
|
|
if (n < 0) {
|
|
return 0;
|
|
} else if (n > 127) {
|
|
return 127;
|
|
}
|
|
|
|
/* min due to rounding and/or off-by-one errors */
|
|
return min ((uint8_t) n, highest_note());
|
|
}
|
|
|
|
/** Suspend updates to the regions' note ranges and our
|
|
* note lines until resume_updates() is called.
|
|
*/
|
|
void
|
|
MidiStreamView::suspend_updates ()
|
|
{
|
|
_updates_suspended = true;
|
|
}
|
|
|
|
/** Resume updates to region note ranges and note lines,
|
|
* and update them now.
|
|
*/
|
|
void
|
|
MidiStreamView::resume_updates ()
|
|
{
|
|
_updates_suspended = false;
|
|
|
|
draw_note_lines ();
|
|
apply_note_range_to_regions ();
|
|
|
|
_canvas_group->redraw ();
|
|
}
|
|
|
|
struct RegionPositionSorter {
|
|
bool operator() (RegionView* a, RegionView* b) {
|
|
return a->region()->position() < b->region()->position();
|
|
}
|
|
};
|
|
|
|
bool
|
|
MidiStreamView::paste (timepos_t const & pos, const Selection& selection, PasteContext& ctx)
|
|
{
|
|
/* Paste into the first region which starts on or before pos. Only called when
|
|
using an internal editing tool. */
|
|
|
|
if (region_views.empty()) {
|
|
return false;
|
|
}
|
|
|
|
region_views.sort (RegionView::PositionOrder());
|
|
|
|
list<RegionView*>::const_iterator prev = region_views.begin ();
|
|
|
|
for (list<RegionView*>::const_iterator i = region_views.begin(); i != region_views.end(); ++i) {
|
|
if ((*i)->region()->position() > pos) {
|
|
break;
|
|
}
|
|
prev = i;
|
|
}
|
|
|
|
std::shared_ptr<Region> r = (*prev)->region ();
|
|
|
|
/* If *prev doesn't cover pos, it's no good */
|
|
if (r->position() > pos || ((r->position() + r->length()) < pos)) {
|
|
return false;
|
|
}
|
|
|
|
MidiRegionView* mrv = dynamic_cast<MidiRegionView*> (*prev);
|
|
return mrv ? mrv->paste(pos, selection, ctx) : false;
|
|
}
|
|
|
|
void
|
|
MidiStreamView::get_regions_with_selected_data (RegionSelection& rs)
|
|
{
|
|
for (list<RegionView*>::const_iterator i = region_views.begin(); i != region_views.end(); ++i) {
|
|
MidiRegionView* mrv = dynamic_cast<MidiRegionView*> (*i);
|
|
|
|
if (!mrv) {
|
|
continue;
|
|
}
|
|
|
|
if (!mrv->selection().empty()) {
|
|
rs.add (*i);
|
|
}
|
|
}
|
|
}
|