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dd3683bc06
There is one single place in AutomationLine code where we need to callback to its AutomationTimeAxisView, if it is part of one, regarding automation state. This permits that to happen
99 lines
3.2 KiB
C++
99 lines
3.2 KiB
C++
/*
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* Copyright (C) 2010-2012 Carl Hetherington <carl@carlh.net>
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* Copyright (C) 2010-2014 David Robillard <d@drobilla.net>
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* Copyright (C) 2010-2017 Paul Davis <paul@linuxaudiosystems.com>
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* Copyright (C) 2013-2019 Robin Gareus <robin@gareus.org>
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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 "ardour/midi_automation_list_binder.h"
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#include "ardour/midi_region.h"
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#include "midi++/midnam_patch.h"
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#include "midi_automation_line.h"
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#include "midi_time_axis.h"
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#include "pbd/i18n.h"
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using namespace std;
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MidiAutomationLine::MidiAutomationLine (
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const std::string& name,
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TimeAxisView& tav,
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ArdourCanvas::Item& parent,
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std::shared_ptr<ARDOUR::AutomationList> list,
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std::shared_ptr<ARDOUR::MidiRegion> region,
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Evoral::Parameter parameter)
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: EditorAutomationLine (name, tav, parent, list, parameter)
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, _region (region)
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, _parameter (parameter)
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{
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}
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MementoCommandBinder<ARDOUR::AutomationList>*
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MidiAutomationLine::memento_command_binder ()
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{
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/* some weirdness here since _region->midi_source() returns a
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* shared_ptr<> but the binder accepts a reference.
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*/
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return new ARDOUR::MidiAutomationListBinder (*(_region->midi_source().get()), _parameter);
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}
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Temporal::timepos_t
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MidiAutomationLine::get_origin() const
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{
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/* Events in the automation list are relative to the start of the
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source, not the start of the region, so we need to use the
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position-of-the-start-of-the-source, rather than just the
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position-of-the-region.
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*/
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return _region->source_position();
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}
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string
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MidiAutomationLine::get_verbose_cursor_string (double fraction) const
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{
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using namespace MIDI::Name;
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if (_parameter.type() != ARDOUR::MidiCCAutomation) {
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return EditorAutomationLine::get_verbose_cursor_string(fraction);
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}
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MidiTimeAxisView* const mtv = dynamic_cast<MidiTimeAxisView*>(trackview.get_parent());
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if (!mtv) {
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return EditorAutomationLine::get_verbose_cursor_string(fraction);
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}
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const uint8_t channel = mtv->get_preferred_midi_channel();
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std::shared_ptr<const ValueNameList> value_names = mtv->route()->instrument_info().value_name_list_by_control (channel, _parameter.id());
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if (!value_names) {
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return EditorAutomationLine::get_verbose_cursor_string(fraction);
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}
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const uint16_t cc_value = floor(std::max(std::min(fraction * 127.0, 127.0), 0.0));
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std::shared_ptr<const Value> value = value_names->max_value_below(cc_value);
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if (!value) {
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return EditorAutomationLine::get_verbose_cursor_string(fraction);
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}
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return value->name();
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}
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