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livetrax/gtk2_ardour/midi_automation_line.cc

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/*
Copyright (C) 2010 Paul Davis
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "ardour/midi_automation_list_binder.h"
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#include "ardour/midi_region.h"
#include "midi++/midnam_patch.h"
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#include "midi_automation_line.h"
#include "midi_time_axis.h"
#include "pbd/i18n.h"
using namespace std;
MidiAutomationLine::MidiAutomationLine (
const std::string& name,
TimeAxisView& tav,
ArdourCanvas::Item& parent,
boost::shared_ptr<ARDOUR::AutomationList> list,
boost::shared_ptr<ARDOUR::MidiRegion> region,
Evoral::Parameter parameter,
Evoral::TimeConverter<double, ARDOUR::samplepos_t>* converter)
: AutomationLine (name, tav, parent, list, parameter, converter)
, _region (region)
, _parameter (parameter)
{
}
MementoCommandBinder<ARDOUR::AutomationList>*
MidiAutomationLine::memento_command_binder ()
{
return new ARDOUR::MidiAutomationListBinder (_region->midi_source(), _parameter);
}
string
MidiAutomationLine::get_verbose_cursor_string (double fraction) const
{
using namespace MIDI::Name;
if (_parameter.type() != ARDOUR::MidiCCAutomation) {
return AutomationLine::get_verbose_cursor_string(fraction);
}
MidiTimeAxisView* const mtv = dynamic_cast<MidiTimeAxisView*>(trackview.get_parent());
if (!mtv) {
return AutomationLine::get_verbose_cursor_string(fraction);
}
boost::shared_ptr<MasterDeviceNames> device_names(mtv->get_device_names());
if (!device_names) {
return AutomationLine::get_verbose_cursor_string(fraction);
}
const std::string& device_mode = mtv->gui_property(X_("midnam-custom-device-mode"));
const uint8_t channel = mtv->get_channel_for_add();
boost::shared_ptr<const ValueNameList> value_names = device_names->value_name_list_by_control(
device_mode, channel, _parameter.id());
if (!value_names) {
return AutomationLine::get_verbose_cursor_string(fraction);
}
const uint16_t cc_value = floor(std::max(std::min(fraction * 127.0, 127.0), 0.0));
boost::shared_ptr<const Value> value = value_names->max_value_below(cc_value);
if (!value) {
return AutomationLine::get_verbose_cursor_string(fraction);
}
return value->name();
}