/*
Copyright (C) 2007 Paul Davis
- Author: Dave Robillard
+ 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
*/
+#include <math.h>
#include <iostream>
-#include "ardour/automatable.h"
#include "ardour/automation_control.h"
+#include "ardour/automation_watch.h"
#include "ardour/event_type_map.h"
#include "ardour/session.h"
+#include "pbd/memento_command.h"
+#include "pbd/stacktrace.h"
+
+#include "i18n.h"
+
+#ifdef COMPILER_MSVC
+#include <float.h>
+// C99 'isfinite()' is not available in MSVC.
+#define isfinite_local(val) (bool)_finite((double)val)
+#else
+#define isfinite_local isfinite
+#endif
+
using namespace std;
using namespace ARDOUR;
using namespace PBD;
-
-AutomationControl::AutomationControl(
- ARDOUR::Session& session,
- const Evoral::Parameter& parameter,
- boost::shared_ptr<ARDOUR::AutomationList> list,
- const string& name)
- : Controllable((name != "") ? name : EventTypeMap::instance().to_symbol(parameter), string("") /* XXX missing URI */)
- , Evoral::Control(parameter, list)
+AutomationControl::AutomationControl(ARDOUR::Session& session,
+ const Evoral::Parameter& parameter,
+ const ParameterDescriptor& desc,
+ boost::shared_ptr<ARDOUR::AutomationList> list,
+ const string& name)
+ : Controllable (name.empty() ? EventTypeMap::instance().to_symbol(parameter) : name)
+ , Evoral::Control(parameter, desc, list)
, _session(session)
+ , _desc(desc)
+{
+}
+
+AutomationControl::~AutomationControl ()
{
}
+bool
+AutomationControl::writable() const
+{
+ boost::shared_ptr<AutomationList> al = alist();
+ if (al) {
+ return al->automation_state() != Play;
+ }
+ return true;
+}
-float
+/** Get the current effective `user' value based on automation state */
+double
AutomationControl::get_value() const
{
bool from_list = _list && ((AutomationList*)_list.get())->automation_playback();
- return Control::get_float(from_list, _session.transport_frame());
+ return Control::get_double (from_list, _session.transport_frame());
}
-
+/** Set the value and do the right thing based on automation state
+ * (e.g. record if necessary, etc.)
+ * @param value `user' value
+ */
void
-AutomationControl::set_value(float value)
+AutomationControl::set_value (double value, PBD::Controllable::GroupControlDisposition /* group_override */)
{
- bool to_list = _list && _session.transport_stopped()
- && ((AutomationList*)_list.get())->automation_write();
+ bool to_list = _list && ((AutomationList*)_list.get())->automation_write();
- Control::set_float(value, to_list, _session.transport_frame());
+ Control::set_double (value, _session.transport_frame(), to_list);
Changed(); /* EMIT SIGNAL */
}
-
void
-AutomationControl::set_list(boost::shared_ptr<Evoral::ControlList> list)
+AutomationControl::set_list (boost::shared_ptr<Evoral::ControlList> list)
{
- Control::set_list(list);
+ Control::set_list (list);
Changed(); /* EMIT SIGNAL */
}
+void
+AutomationControl::set_automation_state (AutoState as)
+{
+ if (_list && as != alist()->automation_state()) {
+
+ alist()->set_automation_state (as);
+ if (_desc.toggled) {
+ return; // No watch for boolean automation
+ }
+
+ if (as == Write) {
+ AutomationWatch::instance().add_automation_watch (shared_from_this());
+ } else if (as == Touch) {
+ if (!touching()) {
+ AutomationWatch::instance().remove_automation_watch (shared_from_this());
+ } else {
+ /* this seems unlikely, but the combination of
+ * a control surface and the mouse could make
+ * it possible to put the control into Touch
+ * mode *while* touching it.
+ */
+ AutomationWatch::instance().add_automation_watch (shared_from_this());
+ }
+ } else {
+ AutomationWatch::instance().remove_automation_watch (shared_from_this());
+ }
+ }
+}
+
+void
+AutomationControl::set_automation_style (AutoStyle as)
+{
+ if (!_list) return;
+ alist()->set_automation_style (as);
+}
+
+void
+AutomationControl::start_touch(double when)
+{
+ if (!_list) {
+ return;
+ }
+
+ if (!touching()) {
+
+ if (alist()->automation_state() == Touch) {
+ /* subtle. aligns the user value with the playback */
+ set_value (get_value (), Controllable::NoGroup);
+ alist()->start_touch (when);
+ if (!_desc.toggled) {
+ AutomationWatch::instance().add_automation_watch (shared_from_this());
+ }
+ }
+ set_touching (true);
+ }
+}
+
+void
+AutomationControl::stop_touch(bool mark, double when)
+{
+ if (!_list) return;
+ if (touching()) {
+ set_touching (false);
+
+ if (alist()->automation_state() == Touch) {
+ alist()->stop_touch (mark, when);
+ if (!_desc.toggled) {
+ AutomationWatch::instance().remove_automation_watch (shared_from_this());
+
+ }
+ }
+ }
+}
+
+void
+AutomationControl::commit_transaction (bool did_write)
+{
+ if (did_write) {
+ if (alist ()->before ()) {
+ _session.begin_reversible_command (string_compose (_("record %1 automation"), name ()));
+ _session.commit_reversible_command (new MementoCommand<AutomationList> (*alist ().get (), alist ()->before (), &alist ()->get_state ()));
+ }
+ } else {
+ alist ()->clear_history ();
+ }
+}
+
+double
+AutomationControl::internal_to_interface (double val) const
+{
+ if (_desc.integer_step) {
+ // both upper and lower are inclusive.
+ val = (val - lower()) / (1 + upper() - lower());
+ } else {
+ val = (val - lower()) / (upper() - lower());
+ }
+
+ if (_desc.logarithmic) {
+ if (val > 0) {
+ val = pow (val, 1./2.0);
+ } else {
+ val = 0;
+ }
+ }
+
+ return val;
+}
+
+double
+AutomationControl::interface_to_internal (double val) const
+{
+ if (!isfinite_local (val)) {
+ val = 0;
+ }
+ if (_desc.logarithmic) {
+ if (val <= 0) {
+ val = 0;
+ } else {
+ val = pow (val, 2.0);
+ }
+ }
+
+ if (_desc.integer_step) {
+ val = lower() + val * (1 + upper() - lower());
+ } else {
+ val = lower() + val * (upper() - lower());
+ }
+
+ if (val < lower()) val = lower();
+ if (val > upper()) val = upper();
+
+ return val;
+}
+
+