Added old abandoned KDE3 version of the RoseGarden MIDI tool

git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/applications/rosegarden@1097595 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 130 insertions, 0 deletions

diff --git a/src/base/TriggerSegment.cpp b/src/base/TriggerSegment.cpp
new file mode 100644
index 0000000..c4c29de
--- /dev/null
+++ b/src/base/TriggerSegment.cpp
@@ -0,0 +1,130 @@
+// -*- c-basic-offset: 4 -*-
+
+/*
+    Rosegarden
+    A sequencer and musical notation editor.
+
+    This program is Copyright 2000-2008
+        Guillaume Laurent   <[email protected]>,
+        Chris Cannam        <[email protected]>,
+        Richard Bown        <[email protected]>
+
+    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;
+}
+
+}
+