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, 147 insertions, 0 deletions

diff --git a/src/commands/studio/ModifyDeviceMappingCommand.cpp b/src/commands/studio/ModifyDeviceMappingCommand.cpp
new file mode 100644
index 0000000..6f02d8d
--- /dev/null
+++ b/src/commands/studio/ModifyDeviceMappingCommand.cpp
@@ -0,0 +1,147 @@
+/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */
+
+/*
+    Rosegarden
+    A MIDI and audio 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        <richard.bown@ferventsoftware.com>
+ 
+    The moral rights of Guillaume Laurent, Chris Cannam, and Richard
+    Bown to claim authorship of this work have been asserted.
+ 
+    Other copyrights also apply to some parts of this work.  Please
+    see the AUTHORS file and individual file headers for details.
+ 
+    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 "ModifyDeviceMappingCommand.h"
+
+#include "misc/Debug.h"
+#include "base/Composition.h"
+#include "base/Device.h"
+#include "base/Instrument.h"
+#include "base/MidiProgram.h"
+#include "base/Studio.h"
+#include "base/Track.h"
+#include "document/RosegardenGUIDoc.h"
+#include <qstring.h>
+
+
+namespace Rosegarden
+{
+
+ModifyDeviceMappingCommand::ModifyDeviceMappingCommand(
+    RosegardenGUIDoc *doc,
+    DeviceId fromDevice,
+    DeviceId toDevice):
+        KNamedCommand(getGlobalName()),
+        m_composition(&doc->getComposition()),
+        m_studio(&doc->getStudio()),
+        m_fromDevice(fromDevice),
+        m_toDevice(toDevice)
+{}
+
+void
+ModifyDeviceMappingCommand::execute()
+{
+    Composition::trackcontainer &tracks =
+        m_composition->getTracks();
+    Composition::trackcontainer::iterator it = tracks.begin();
+    Instrument *instr = 0;
+    int index = 0;
+
+    for (; it != tracks.end(); it++) {
+        instr = m_studio->getInstrumentById(it->second->getInstrument());
+        if (!instr || !instr->getDevice())
+            continue;
+
+        if (instr->getDevice()->getId() == m_fromDevice) {
+            // if source and target are MIDI
+            if (m_studio->getDevice(m_fromDevice)->getType() ==
+                    Device::Midi &&
+                    m_studio->getDevice(m_toDevice)->getType() ==
+                    Device::Midi) {
+                // Try to match channels on the target device
+                //
+                MidiByte channel = instr->getMidiChannel();
+
+                InstrumentList destList = m_studio->
+                                          getDevice(m_toDevice)->getPresentationInstruments();
+
+                InstrumentList::iterator dIt = destList.begin();
+
+                for (; dIt != destList.end(); dIt++) {
+                    if ((*dIt)->getMidiChannel() == channel) {
+                        break;
+                    }
+                }
+
+                // Failure to match anything and there's no Instruments
+                // at all in the destination.  Skip to next source Instrument.
+                //
+                if (dIt == destList.end() || destList.size() == 0)
+                    continue;
+
+
+                RG_DEBUG << " Track " << it->first
+                << ", setting Instrument to "
+                << (*dIt)->getId() << endl;
+
+                // store "to" and "from" values
+                //
+                m_mapping.push_back(
+                    std::pair < TrackId,
+                    InstrumentId >
+                    (it->first,
+                     instr->getId()));
+
+                it->second->setInstrument((*dIt)->getId());
+            } else // audio is involved in the mapping - use indexes
+            {
+                // assign by index numbers
+                InstrumentList destList = m_studio->
+                                          getDevice(m_toDevice)->getPresentationInstruments();
+
+                // skip if we can't match
+                //
+                if (index > (int)(destList.size() - 1))
+                    continue;
+
+                m_mapping.push_back(
+                    std::pair < TrackId,
+                    InstrumentId >
+                    (it->first,
+                     instr->getId()));
+
+                it->second->setInstrument(destList[index]->getId());
+            }
+
+            index++;
+        }
+    }
+
+}
+
+void
+ModifyDeviceMappingCommand::unexecute()
+{
+    std::vector<std::pair<TrackId, InstrumentId> >
+    ::iterator it = m_mapping.begin();
+    Track *track = 0;
+
+    for (; it != m_mapping.end(); it++) {
+        track = m_composition->getTrackById(it->first);
+        track->setInstrument(it->second);
+    }
+}
+
+}