149 lines
4.0 KiB
C++
149 lines
4.0 KiB
C++
/*
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Copyright (C) 2007 Paul Davis
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Author: David Robillard
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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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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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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include <iomanip>
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#include <cmath>
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#include "pbd/error.h"
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#include "ardour/automatable.h"
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#include "ardour/automation_control.h"
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#include "ardour/session.h"
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#include "ardour_ui.h"
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#include "automation_controller.h"
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#include "gui_thread.h"
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#include "i18n.h"
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using namespace ARDOUR;
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using namespace Gtk;
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AutomationController::AutomationController(boost::shared_ptr<Automatable> printer, boost::shared_ptr<AutomationControl> ac, Adjustment* adj)
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: BarController (*adj, ac)
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, _ignore_change(false)
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, _printer (printer)
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, _controllable(ac)
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, _adjustment(adj)
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{
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assert (_printer);
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set_name (X_("ProcessorControlSlider"));
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StartGesture.connect (sigc::mem_fun(*this, &AutomationController::start_touch));
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StopGesture.connect (sigc::mem_fun(*this, &AutomationController::end_touch));
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_adjustment->signal_value_changed().connect (
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sigc::mem_fun(*this, &AutomationController::value_adjusted));
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_screen_update_connection = ARDOUR_UI::RapidScreenUpdate.connect (
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sigc::mem_fun (*this, &AutomationController::display_effective_value));
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ac->Changed.connect (_changed_connection, invalidator (*this), boost::bind (&AutomationController::value_changed, this), gui_context());
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}
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AutomationController::~AutomationController()
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{
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}
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boost::shared_ptr<AutomationController>
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AutomationController::create(
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boost::shared_ptr<Automatable> printer,
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const Evoral::Parameter& param,
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boost::shared_ptr<AutomationControl> ac)
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{
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Gtk::Adjustment* adjustment = manage (
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new Gtk::Adjustment (
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ac->internal_to_interface (param.normal()),
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ac->internal_to_interface (param.min()),
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ac->internal_to_interface (param.max()),
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(param.max() - param.min()) / 100.0,
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(param.max() - param.min()) / 10.0
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)
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);
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assert (ac);
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assert(ac->parameter() == param);
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return boost::shared_ptr<AutomationController>(new AutomationController(printer, ac, adjustment));
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}
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std::string
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AutomationController::get_label (double& xpos)
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{
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xpos = 0.5;
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return _printer->value_as_string (_controllable);
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}
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void
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AutomationController::display_effective_value()
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{
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double const interface_value = _controllable->internal_to_interface (_controllable->get_value());
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if (_adjustment->get_value () != interface_value) {
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_ignore_change = true;
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_adjustment->set_value (interface_value);
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_ignore_change = false;
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}
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}
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void
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AutomationController::value_adjusted ()
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{
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if (!_ignore_change) {
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_controllable->set_value (_controllable->interface_to_internal (_adjustment->get_value()));
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}
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}
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void
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AutomationController::start_touch()
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{
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_controllable->start_touch (_controllable->session().transport_frame());
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}
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void
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AutomationController::end_touch ()
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{
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if (_controllable->automation_state() == Touch) {
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bool mark = false;
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double when = 0;
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if (_controllable->session().transport_rolling()) {
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mark = true;
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when = _controllable->session().transport_frame();
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}
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_controllable->stop_touch (mark, when);
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}
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}
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void
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AutomationController::value_changed ()
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{
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Gtkmm2ext::UI::instance()->call_slot (invalidator (*this), boost::bind (&AutomationController::display_effective_value, this));
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}
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/** Stop updating our value from our controllable */
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void
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AutomationController::stop_updating ()
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{
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_screen_update_connection.disconnect ();
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}
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