bed58e9f37
git-svn-id: svn://localhost/ardour2/branches/3.0@4408 d708f5d6-7413-0410-9779-e7cbd77b26cf
152 lines
4.1 KiB
C++
152 lines
4.1 KiB
C++
/*
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Copyright (C) 2007 Paul Davis
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Author: Dave 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 <pbd/error.h>
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#include "ardour/automation_list.h"
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#include "ardour/automation_control.h"
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#include "ardour/event_type_map.h"
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#include "ardour/automatable.h"
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#include "ardour_ui.h"
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#include "utils.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<AutomationControl> ac, Adjustment* adj)
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: BarController(*adj, ac)
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, _ignore_change(false)
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, _controllable(ac)
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, _adjustment(adj)
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{
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set_name (X_("PluginSlider")); // FIXME: get yer own name!
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set_style (BarController::LeftToRight);
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set_use_parent (true);
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label_callback = sigc::mem_fun(this, &AutomationController::update_label);
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StartGesture.connect (mem_fun(*this, &AutomationController::start_touch));
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StopGesture.connect (mem_fun(*this, &AutomationController::end_touch));
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_adjustment->signal_value_changed().connect (
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mem_fun(*this, &AutomationController::value_adjusted));
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_screen_update_connection = ARDOUR_UI::RapidScreenUpdate.connect (
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mem_fun (*this, &AutomationController::display_effective_value));
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ac->Changed.connect (mem_fun(*this, &AutomationController::value_changed));
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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> parent,
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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(new Gtk::Adjustment(param.normal(), param.min(), param.max()));
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if (!ac) {
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PBD::warning << "Creating AutomationController for " << EventTypeMap::instance().to_symbol(param) << endmsg;
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ac = boost::dynamic_pointer_cast<AutomationControl>(parent->control_factory(param));
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} else {
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assert(ac->parameter() == param);
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}
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return boost::shared_ptr<AutomationController>(new AutomationController(ac, adjustment));
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}
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void
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AutomationController::update_label(char* label, int label_len)
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{
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if (label && label_len) {
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// Hack to display CC rounded to int
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if (_controllable->parameter().type() == MidiCCAutomation)
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snprintf(label, label_len, "%d", (int)_controllable->get_value());
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else
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snprintf(label, label_len, "%.3f", _controllable->get_value());
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}
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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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//if ( ! _controllable->list()->automation_playback())
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// return;
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float value = _controllable->get_value();
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if (_adjustment->get_value() != value) {
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_ignore_change = true;
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_adjustment->set_value (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(_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();
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}
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void
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AutomationController::end_touch()
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{
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_controllable->stop_touch();
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}
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void
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AutomationController::automation_state_changed ()
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{
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ENSURE_GUI_THREAD(mem_fun(*this, &AutomationController::automation_state_changed));
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bool x = (_controllable->automation_state() != Off);
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/* start watching automation so that things move */
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_screen_update_connection.disconnect();
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if (x) {
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_screen_update_connection = ARDOUR_UI::RapidScreenUpdate.connect (
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mem_fun (*this, &AutomationController::display_effective_value));
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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 (
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mem_fun(*this, &AutomationController::display_effective_value));
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}
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