1 /* This file is part of Evoral.
2 * Copyright (C) 2008 Dave Robillard <http://drobilla.net>
3 * Copyright (C) 2000-2008 Paul Davis
5 * Evoral is free software; you can redistribute it and/or modify it under the
6 * terms of the GNU General Public License as published by the Free Software
7 * Foundation; either version 2 of the License, or (at your option) any later
10 * Evoral is distributed in the hope that it will be useful, but WITHOUT ANY
11 * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
12 * FOR A PARTICULAR PURPOSE. See the GNU General Public License for details.
14 * You should have received a copy of the GNU General Public License along
15 * with this program; if not, write to the Free Software Foundation, Inc.,
16 * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
20 #include <evoral/ControlSet.hpp>
21 #include <evoral/ControlList.hpp>
22 #include <evoral/Control.hpp>
23 #include <evoral/Event.hpp>
30 ControlSet::ControlSet()
35 ControlSet::add_control(boost::shared_ptr<Control> ac)
37 _controls[ac->parameter()] = ac;
41 ControlSet::what_has_data (set<Parameter>& s) const
43 Glib::Mutex::Lock lm (_control_lock);
44 for (Controls::const_iterator li = _controls.begin(); li != _controls.end(); ++li) {
49 /** If a control for the given parameter does not exist and \a create_if_missing is true,
50 * a control will be created, added to this set, and returned.
51 * If \a create_if_missing is false this function may return null.
53 boost::shared_ptr<Control>
54 ControlSet::control (const Parameter& parameter, bool create_if_missing)
56 Controls::iterator i = _controls.find(parameter);
58 if (i != _controls.end()) {
61 } else if (create_if_missing) {
62 boost::shared_ptr<Control> ac(control_factory(parameter));
67 //warning << "ControlList " << parameter.to_string() << " not found for " << _name << endmsg;
68 return boost::shared_ptr<Control>();
73 ControlSet::find_next_event (nframes_t now, nframes_t end, ControlEvent& next_event) const
75 Controls::const_iterator li;
77 next_event.when = std::numeric_limits<nframes_t>::max();
79 for (li = _controls.begin(); li != _controls.end(); ++li) {
80 ControlList::const_iterator i;
81 boost::shared_ptr<const ControlList> alist (li->second->list());
82 ControlEvent cp (now, 0.0f);
84 for (i = lower_bound (alist->begin(), alist->end(), &cp, ControlList::time_comparator);
85 i != alist->end() && (*i)->when < end; ++i) {
86 if ((*i)->when > now) {
91 if (i != alist->end() && (*i)->when < end) {
92 if ((*i)->when < next_event.when) {
93 next_event.when = (*i)->when;
98 return next_event.when != std::numeric_limits<nframes_t>::max();
104 Glib::Mutex::Lock lm (_control_lock);
106 for (Controls::iterator li = _controls.begin(); li != _controls.end(); ++li)
107 li->second->list()->clear();
111 } // namespace Evoral