ladish/grauph/src/libs/engine/events/SetPortValueEvent.cpp

104 lines
2.8 KiB
C++

/* This file is part of Om. Copyright (C) 2006 Dave Robillard.
*
* Om 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.
*
* Om 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 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.,
* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "SetPortValueEvent.h"
#include "Responder.h"
#include "Om.h"
#include "OmApp.h"
#include "PortBase.h"
#include "ClientBroadcaster.h"
#include "Node.h"
#include "ObjectStore.h"
namespace Om {
/** Voice-specific control setting
*/
SetPortValueEvent::SetPortValueEvent(CountedPtr<Responder> responder, size_t voice_num, const string& port_path, sample val)
: Event(responder),
m_voice_num(voice_num),
m_port_path(port_path),
m_val(val),
m_port(NULL),
m_error(NO_ERROR)
{
}
SetPortValueEvent::SetPortValueEvent(CountedPtr<Responder> responder, const string& port_path, sample val)
: Event(responder),
m_voice_num(-1),
m_port_path(port_path),
m_val(val),
m_port(NULL),
m_error(NO_ERROR)
{
}
void
SetPortValueEvent::execute(samplecount offset)
{
if (m_port == NULL)
m_port = om->object_store()->find_port(m_port_path);
if (m_port == NULL) {
m_error = PORT_NOT_FOUND;
} else if (!(m_port->type() == DataType::FLOAT)) {
m_error = TYPE_MISMATCH;
} else {
if (m_voice_num == -1)
((PortBase<sample>*)m_port)->set_value(m_val, offset);
else
((PortBase<sample>*)m_port)->set_value(m_voice_num, m_val, offset);
//((PortBase<sample>*)m_port)->buffer(m_voice_num)->set(m_val, offset); // FIXME: check range
}
}
void
SetPortValueEvent::post_process()
{
if (m_error == NO_ERROR) {
assert(m_port != NULL);
m_responder->respond_ok();
om->client_broadcaster()->send_control_change(m_port_path, m_val);
// Send patch port control change, if this is a bridge port
/*Port* parent_port = m_port->parent_node()->as_port();
if (parent_port != NULL) {
assert(parent_port->type() == DataType::FLOAT);
om->client_broadcaster()->send_control_change(parent_port->path(), m_val);
}*/
} else if (m_error == PORT_NOT_FOUND) {
string msg = "Unable to find port ";
msg.append(m_port_path).append(" for set_port_value");
m_responder->respond_error(msg);
} else if (m_error == TYPE_MISMATCH) {
string msg = "Attempt to set ";
msg.append(m_port_path).append(" to incompatible type");
m_responder->respond_error(msg);
}
}
} // namespace Om