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>
29 ControlSet::ControlSet()
34 ControlSet::add_control(boost::shared_ptr<Control> ac)
36 _controls[ac->parameter()] = ac;
40 ControlSet::what_has_data (set<Parameter>& s) const
42 Glib::Mutex::Lock lm (_control_lock);
43 Controls::const_iterator li;
45 // FIXME: correct semantics?
46 for (li = _controls.begin(); li != _controls.end(); ++li) {
47 s.insert ((*li).first);
51 /** If \a create_if_missing is true, a control list will be created and returned
52 * if one does not already exists. Otherwise NULL will be returned if a control list
53 * for \a parameter does not exist.
55 boost::shared_ptr<Control>
56 ControlSet::control (Parameter parameter, bool create_if_missing)
58 Controls::iterator i = _controls.find(parameter);
60 if (i != _controls.end()) {
63 } else if (create_if_missing) {
64 boost::shared_ptr<ControlList> al (control_list_factory(parameter));
65 boost::shared_ptr<Control> ac(control_factory(al));
70 //warning << "ControlList " << parameter.to_string() << " not found for " << _name << endmsg;
71 return boost::shared_ptr<Control>();
75 boost::shared_ptr<const Control>
76 ControlSet::control (Parameter parameter) const
78 Controls::const_iterator i = _controls.find(parameter);
80 if (i != _controls.end()) {
83 //warning << "ControlList " << parameter.to_string() << " not found for " << _name << endmsg;
84 return boost::shared_ptr<Control>();
89 ControlSet::find_next_event (nframes_t now, nframes_t end, ControlEvent& next_event) const
91 Controls::const_iterator li;
93 next_event.when = std::numeric_limits<nframes_t>::max();
95 for (li = _controls.begin(); li != _controls.end(); ++li) {
96 ControlList::const_iterator i;
97 boost::shared_ptr<const ControlList> alist (li->second->list());
98 ControlEvent cp (now, 0.0f);
100 for (i = lower_bound (alist->begin(), alist->end(), &cp, ControlList::time_comparator);
101 i != alist->end() && (*i)->when < end; ++i) {
102 if ((*i)->when > now) {
107 if (i != alist->end() && (*i)->when < end) {
108 if ((*i)->when < next_event.when) {
109 next_event.when = (*i)->when;
114 return next_event.when != std::numeric_limits<nframes_t>::max();
120 Glib::Mutex::Lock lm (_control_lock);
122 for (Controls::iterator li = _controls.begin(); li != _controls.end(); ++li)
123 li->second->list()->clear();
126 boost::shared_ptr<Control>
127 ControlSet::control_factory(boost::shared_ptr<ControlList> list) const
129 return boost::shared_ptr<Control>(new Control(list));
132 boost::shared_ptr<ControlList>
133 ControlSet::control_list_factory(const Parameter& param) const
135 return boost::shared_ptr<ControlList>(new ControlList(param));
139 } // namespace Evoral