Work towards ParameterDescriptor being used more universally to describe control characteristics.
159 lines
4.5 KiB
C++
159 lines
4.5 KiB
C++
/*
|
|
Copyright (C) 2007 Paul Davis
|
|
Author: David Robillard
|
|
|
|
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 <iomanip>
|
|
#include <cmath>
|
|
|
|
#include "pbd/error.h"
|
|
|
|
#include "ardour/automatable.h"
|
|
#include "ardour/automation_control.h"
|
|
#include "ardour/session.h"
|
|
|
|
#include "ardour_ui.h"
|
|
#include "automation_controller.h"
|
|
#include "gui_thread.h"
|
|
|
|
#include "i18n.h"
|
|
|
|
using namespace ARDOUR;
|
|
using namespace Gtk;
|
|
|
|
AutomationController::AutomationController(boost::shared_ptr<Automatable> printer,
|
|
boost::shared_ptr<AutomationControl> ac,
|
|
Adjustment* adj)
|
|
: BarController (*adj, ac)
|
|
, _ignore_change(false)
|
|
, _printer (printer)
|
|
, _controllable(ac)
|
|
, _adjustment(adj)
|
|
{
|
|
assert (_printer);
|
|
|
|
set_name (X_("ProcessorControlSlider"));
|
|
|
|
StartGesture.connect (sigc::mem_fun(*this, &AutomationController::start_touch));
|
|
StopGesture.connect (sigc::mem_fun(*this, &AutomationController::end_touch));
|
|
|
|
_adjustment->signal_value_changed().connect (
|
|
sigc::mem_fun(*this, &AutomationController::value_adjusted));
|
|
|
|
_screen_update_connection = ARDOUR_UI::RapidScreenUpdate.connect (
|
|
sigc::mem_fun (*this, &AutomationController::display_effective_value));
|
|
|
|
ac->Changed.connect (_changed_connection, invalidator (*this), boost::bind (&AutomationController::value_changed, this), gui_context());
|
|
}
|
|
|
|
AutomationController::~AutomationController()
|
|
{
|
|
}
|
|
|
|
boost::shared_ptr<AutomationController>
|
|
AutomationController::create(boost::shared_ptr<Automatable> printer,
|
|
const Evoral::Parameter& param,
|
|
const ParameterDescriptor& desc,
|
|
boost::shared_ptr<AutomationControl> ac)
|
|
{
|
|
const double lo = ac->internal_to_interface(desc.lower);
|
|
const double up = ac->internal_to_interface(desc.upper);
|
|
const double normal = ac->internal_to_interface(desc.normal);
|
|
double smallstep = desc.smallstep;
|
|
double largestep = desc.largestep;
|
|
if (smallstep == 0.0) {
|
|
smallstep = (up - lo) / 100;
|
|
}
|
|
if (largestep == 0.0) {
|
|
largestep = (up - lo) / 10;
|
|
}
|
|
smallstep = ac->internal_to_interface(smallstep);
|
|
largestep = ac->internal_to_interface(largestep);
|
|
|
|
Gtk::Adjustment* adjustment = manage (
|
|
new Gtk::Adjustment (normal, lo, up, smallstep, largestep));
|
|
|
|
assert (ac);
|
|
assert(ac->parameter() == param);
|
|
return boost::shared_ptr<AutomationController>(new AutomationController(printer, ac, adjustment));
|
|
}
|
|
|
|
std::string
|
|
AutomationController::get_label (double& xpos)
|
|
{
|
|
xpos = 0.5;
|
|
return _printer->value_as_string (_controllable);
|
|
}
|
|
|
|
void
|
|
AutomationController::display_effective_value()
|
|
{
|
|
double const interface_value = _controllable->internal_to_interface(_controllable->get_value());
|
|
|
|
if (_adjustment->get_value () != interface_value) {
|
|
_ignore_change = true;
|
|
_adjustment->set_value (interface_value);
|
|
_ignore_change = false;
|
|
}
|
|
}
|
|
|
|
void
|
|
AutomationController::value_adjusted ()
|
|
{
|
|
if (!_ignore_change) {
|
|
_controllable->set_value (_controllable->interface_to_internal(_adjustment->get_value()));
|
|
}
|
|
}
|
|
|
|
void
|
|
AutomationController::start_touch()
|
|
{
|
|
_controllable->start_touch (_controllable->session().transport_frame());
|
|
}
|
|
|
|
void
|
|
AutomationController::end_touch ()
|
|
{
|
|
if (!_controllable->alist()) return;
|
|
if (_controllable->automation_state() == Touch) {
|
|
|
|
bool mark = false;
|
|
double when = 0;
|
|
|
|
if (_controllable->session().transport_rolling()) {
|
|
mark = true;
|
|
when = _controllable->session().transport_frame();
|
|
}
|
|
|
|
_controllable->stop_touch (mark, when);
|
|
}
|
|
}
|
|
|
|
void
|
|
AutomationController::value_changed ()
|
|
{
|
|
Gtkmm2ext::UI::instance()->call_slot (invalidator (*this), boost::bind (&AutomationController::display_effective_value, this));
|
|
}
|
|
|
|
/** Stop updating our value from our controllable */
|
|
void
|
|
AutomationController::stop_updating ()
|
|
{
|
|
_screen_update_connection.disconnect ();
|
|
}
|