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, 137 insertions, 0 deletions

diff --git a/src/commands/segment/AddTracksCommand.cpp b/src/commands/segment/AddTracksCommand.cpp
new file mode 100644
index 0000000..1f09227
--- /dev/null
+++ b/src/commands/segment/AddTracksCommand.cpp
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+/* -*- 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   <[email protected]>,
+        Chris Cannam        <[email protected]>,
+        Richard Bown        <[email protected]>
+ 
+    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 "AddTracksCommand.h"
+
+#include "misc/Debug.h"
+#include "base/Composition.h"
+#include "base/MidiProgram.h"
+#include "base/Track.h"
+#include <qstring.h>
+
+
+namespace Rosegarden
+{
+
+AddTracksCommand::AddTracksCommand(Composition *composition,
+                                   unsigned int nbTracks,
+                                   InstrumentId id,
+                                   int position):
+    KNamedCommand(getGlobalName()),
+    m_composition(composition),
+    m_nbNewTracks(nbTracks),
+    m_instrumentId(id),
+    m_position(position),
+    m_detached(false)
+
+{
+}
+
+AddTracksCommand::~AddTracksCommand()
+{
+    if (m_detached) {
+        for (unsigned int i = 0; i < m_newTracks.size(); ++i)
+            delete m_newTracks[i];
+    }
+}
+
+void AddTracksCommand::execute()
+{
+    // Re-attach tracks
+    //
+    if (m_detached) {
+
+        for (unsigned int i = 0; i < m_newTracks.size(); i++) {
+            m_composition->addTrack(m_newTracks[i]);
+        }
+
+        for (TrackPositionMap::iterator i = m_oldPositions.begin();
+             i != m_oldPositions.end(); ++i) {
+
+            int newPosition = i->second + m_nbNewTracks;
+            Track *track = m_composition->getTrackById(i->first);
+            if (track) track->setPosition(newPosition);
+        }
+
+        return;
+    }
+
+    int highPosition = 0;
+
+    for (Composition::trackiterator it = m_composition->getTracks().begin();
+         it != m_composition->getTracks().end(); ++it) {
+
+        int pos = it->second->getPosition();
+
+        if (pos > highPosition) {
+            highPosition = pos;
+        }
+    }
+
+    if (m_position == -1) m_position = highPosition + 1;
+    if (m_position < 0) m_position = 0;
+    if (m_position > highPosition + 1) m_position = highPosition + 1;
+
+    for (Composition::trackiterator it = m_composition->getTracks().begin();
+         it != m_composition->getTracks().end(); ++it) {
+
+        int pos = it->second->getPosition();
+
+        if (pos >= m_position) {
+            m_oldPositions[it->first] = pos;
+            it->second->setPosition(pos + m_nbNewTracks);
+        }
+    }
+
+    for (unsigned int i = 0; i < m_nbNewTracks; ++i) {
+
+        TrackId trackId = m_composition->getNewTrackId();
+        Track *track = new Track(trackId);
+
+        track->setPosition(m_position + i);
+        track->setInstrument(m_instrumentId);
+
+        m_composition->addTrack(track);
+        m_newTracks.push_back(track);
+    }
+}
+
+void AddTracksCommand::unexecute()
+{
+    for (unsigned int i = 0; i < m_newTracks.size(); i++) {
+        m_composition->detachTrack(m_newTracks[i]);
+    }
+
+    for (TrackPositionMap::iterator i = m_oldPositions.begin();
+         i != m_oldPositions.end(); ++i) {
+
+        Track *track = m_composition->getTrackById(i->first);
+        if (track) track->setPosition(i->second);
+    }
+
+    m_detached = true;
+}
+
+}