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, 181 insertions, 0 deletions

diff --git a/src/sound/ControlBlock.cpp b/src/sound/ControlBlock.cpp
new file mode 100644
index 0000000..d0bb6a8
--- /dev/null
+++ b/src/sound/ControlBlock.cpp
@@ -0,0 +1,181 @@
+// -*- c-basic-offset: 4 -*-
+
+/*
+    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 <cstring>
+
+#include "ControlBlock.h"
+
+namespace Rosegarden
+{
+
+ControlBlock::ControlBlock(unsigned int maxTrackId)
+        : m_maxTrackId(maxTrackId),
+        m_solo(false),
+        m_routing(true),
+        m_thruFilter(0),
+        m_recordFilter(0),
+        m_selectedTrack(0)
+{
+    m_metronomeInfo.muted = true;
+    m_metronomeInfo.instrumentId = 0;
+    for (unsigned int i = 0; i < CONTROLBLOCK_MAX_NB_TRACKS; ++i) {
+        m_trackInfo[i].muted = true;
+        m_trackInfo[i].deleted = true;
+        m_trackInfo[i].armed = true;
+        m_trackInfo[i].instrumentId = 0;
+    }
+}
+
+ControlBlock::ControlBlock()
+{
+    // DO NOT initialize anything - this ctor is meant to be used by
+    // the sequencer, through a placement new over an mmapped file.
+}
+
+void ControlBlock::updateTrackData(Track* t)
+{
+    if (t) {
+        setInstrumentForTrack(t->getId(), t->getInstrument());
+        setTrackArmed(t->getId(), t->isArmed());
+        setTrackMuted(t->getId(), t->isMuted());
+        setTrackDeleted(t->getId(), false);
+        setTrackChannelFilter(t->getId(), t->getMidiInputChannel());
+        setTrackDeviceFilter(t->getId(), t->getMidiInputDevice());
+        if (t->getId() > m_maxTrackId)
+            m_maxTrackId = t->getId();
+    }
+}
+
+void ControlBlock::setInstrumentForTrack(TrackId trackId, InstrumentId instId)
+{
+    if (trackId < CONTROLBLOCK_MAX_NB_TRACKS)
+        m_trackInfo[trackId].instrumentId = instId;
+}
+
+InstrumentId ControlBlock::getInstrumentForTrack(TrackId trackId) const
+{
+    if (trackId < CONTROLBLOCK_MAX_NB_TRACKS)
+        return m_trackInfo[trackId].instrumentId;
+    return 0;
+}
+
+void ControlBlock::setTrackMuted(TrackId trackId, bool mute)
+{
+    if (trackId < CONTROLBLOCK_MAX_NB_TRACKS)
+        m_trackInfo[trackId].muted = mute;
+}
+
+bool ControlBlock::isTrackMuted(TrackId trackId) const
+{
+    if (trackId < CONTROLBLOCK_MAX_NB_TRACKS)
+        return m_trackInfo[trackId].muted;
+    return true;
+}
+
+void ControlBlock::setTrackArmed(TrackId trackId, bool armed)
+{
+    if (trackId < CONTROLBLOCK_MAX_NB_TRACKS)
+        m_trackInfo[trackId].armed = armed;
+}
+
+bool ControlBlock::isTrackArmed(TrackId trackId) const
+{
+    if (trackId < CONTROLBLOCK_MAX_NB_TRACKS)
+        return m_trackInfo[trackId].armed;
+    return false;
+}
+
+void ControlBlock::setTrackDeleted(TrackId trackId, bool deleted)
+{
+    if (trackId < CONTROLBLOCK_MAX_NB_TRACKS)
+        m_trackInfo[trackId].deleted = deleted;
+}
+
+bool ControlBlock::isTrackDeleted(TrackId trackId) const
+{
+    if (trackId < CONTROLBLOCK_MAX_NB_TRACKS)
+        return m_trackInfo[trackId].deleted;
+    return true;
+}
+
+void ControlBlock::setTrackChannelFilter(TrackId trackId, char channel)
+{
+    if (trackId < CONTROLBLOCK_MAX_NB_TRACKS)
+        m_trackInfo[trackId].channelFilter = channel;
+}
+
+char ControlBlock::getTrackChannelFilter(TrackId trackId) const
+{
+    if (trackId < CONTROLBLOCK_MAX_NB_TRACKS)
+        return m_trackInfo[trackId].channelFilter;
+    return -1;
+}
+
+void ControlBlock::setTrackDeviceFilter(TrackId trackId, DeviceId device)
+{
+    if (trackId < CONTROLBLOCK_MAX_NB_TRACKS)
+        m_trackInfo[trackId].deviceFilter = device;
+}
+
+DeviceId ControlBlock::getTrackDeviceFilter(TrackId trackId) const
+{
+    if (trackId < CONTROLBLOCK_MAX_NB_TRACKS)
+        return m_trackInfo[trackId].deviceFilter;
+    return Device::ALL_DEVICES;
+}
+
+bool ControlBlock::isInstrumentMuted(InstrumentId instrumentId) const
+{
+    for (unsigned int i = 0; i <= m_maxTrackId; ++i) {
+        if (m_trackInfo[i].instrumentId == instrumentId &&
+                !m_trackInfo[i].deleted && !m_trackInfo[i].muted)
+            return false;
+    }
+    return true;
+}
+
+bool ControlBlock::isInstrumentUnused(InstrumentId instrumentId) const
+{
+    for (unsigned int i = 0; i <= m_maxTrackId; ++i) {
+        if (m_trackInfo[i].instrumentId == instrumentId &&
+                !m_trackInfo[i].deleted)
+            return false;
+    }
+    return true;
+}
+
+InstrumentId ControlBlock::getInstrumentForEvent(unsigned int dev, unsigned int chan)
+{
+    for (unsigned int i = 0; i <= m_maxTrackId; ++i) {
+        if (!m_trackInfo[i].deleted && m_trackInfo[i].armed) {
+            if (((m_trackInfo[i].deviceFilter == Device::ALL_DEVICES) ||
+                    (m_trackInfo[i].deviceFilter == dev)) &&
+                    ((m_trackInfo[i].channelFilter == -1) ||
+                     (m_trackInfo[i].channelFilter == chan)))
+                return m_trackInfo[i].instrumentId;
+        }
+    }
+    // There is not a matching filter, return the selected track instrument
+    return getInstrumentForTrack(getSelectedTrack());
+}
+
+
+}