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rosegarden/src/base/TriggerSegment.cpp

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3.2 KiB

/*
Rosegarden
A sequencer and musical notation editor.
This program is Copyright 2000-2008
Guillaume Laurent <glaurent@telegraph-road.org>,
Chris Cannam <cannam@all-day-breakfast.com>,
Richard Bown <bownie@bownie.com>
The moral right of the authors to claim authorship of this work
has been asserted.
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 the Free Software Foundation; either version 2 of the
License, or (at your option) any later version. See the file
COPYING included with this distribution for more information.
*/
#include "TriggerSegment.h"
#include "Segment.h"
#include "Composition.h"
#include "BaseProperties.h"
namespace Rosegarden
{
TriggerSegmentRec::~TriggerSegmentRec()
{
// nothing -- we don't delete the segment here
}
TriggerSegmentRec::TriggerSegmentRec(TriggerSegmentId id,
Segment *segment,
int basePitch,
int baseVelocity,
std::string timeAdjust,
bool retune) :
m_id(id),
m_segment(segment),
m_basePitch(basePitch),
m_baseVelocity(baseVelocity),
m_defaultTimeAdjust(timeAdjust),
m_defaultRetune(retune)
{
if (m_defaultTimeAdjust == "") {
m_defaultTimeAdjust = BaseProperties::TRIGGER_SEGMENT_ADJUST_SQUISH;
}
calculateBases();
updateReferences();
}
TriggerSegmentRec::TriggerSegmentRec(const TriggerSegmentRec &rec) :
m_id(rec.m_id),
m_segment(rec.m_segment),
m_basePitch(rec.m_basePitch),
m_baseVelocity(rec.m_baseVelocity),
m_defaultTimeAdjust(rec.m_defaultTimeAdjust),
m_defaultRetune(rec.m_defaultRetune),
m_references(rec.m_references)
{
// nothing else
}
TriggerSegmentRec &
TriggerSegmentRec::operator=(const TriggerSegmentRec &rec)
{
if (&rec == this) return *this;
m_id = rec.m_id;
m_segment = rec.m_segment;
m_basePitch = rec.m_basePitch;
m_baseVelocity = rec.m_baseVelocity;
m_references = rec.m_references;
return *this;
}
void
TriggerSegmentRec::updateReferences()
{
if (!m_segment) return;
Composition *c = m_segment->getComposition();
if (!c) return;
m_references.clear();
for (Composition::iterator i = c->begin(); i != c->end(); ++i) {
for (Segment::iterator j = (*i)->begin(); j != (*i)->end(); ++j) {
if ((*j)->has(BaseProperties::TRIGGER_SEGMENT_ID) &&
(*j)->get<Int>(BaseProperties::TRIGGER_SEGMENT_ID) == long(m_id)) {
m_references.insert((*i)->getRuntimeId());
break; // from inner loop only: go on to next segment
}
}
}
}
void
TriggerSegmentRec::calculateBases()
{
if (!m_segment) return;
for (Segment::iterator i = m_segment->begin();
m_segment->isBeforeEndMarker(i); ++i) {
if (m_basePitch >= 0 && m_baseVelocity >= 0) return;
if (m_basePitch < 0) {
if ((*i)->has(BaseProperties::PITCH)) {
m_basePitch = (*i)->get<Int>(BaseProperties::PITCH);
}
}
if (m_baseVelocity < 0) {
if ((*i)->has(BaseProperties::VELOCITY)) {
m_baseVelocity = (*i)->get<Int>(BaseProperties::VELOCITY);
}
}
}
if (m_basePitch < 0) m_basePitch = 60;
if (m_baseVelocity < 0) m_baseVelocity = 100;
}
}