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//=============================================================================
// MusE
// Linux Music Editor
// $Id:$
//
// Copyright (C) 2002-2006 by Werner Schweer and others
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License version 2.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
//=============================================================================
#include "transpose.h"
#include "track.h"
#include "song.h"
#include "event.h"
#include "audio.h"
#include "part.h"
//---------------------------------------------------------
// Transpose
//---------------------------------------------------------
Transpose::Transpose(QWidget* parent)
: QDialog(parent)
{
setupUi(this);
if (song->lpos() != song->rpos()) {
time_selected->setChecked(true);
}
else {
// time_all->setChecked(true);
ButtonGroup1->setEnabled(false);
}
// parts_all->setSelected(true);
}
//---------------------------------------------------------
// accept
//---------------------------------------------------------
void Transpose::accept()
{
int left = 0, right = 0;
int dv = delta->value();
TrackList *tracks = song->tracks();
if (time_selected->isChecked()) {
left = song->lpos();
right = song->rpos();
}
else {
left = 0;
right = song->len();
}
song->startUndo();
for (iTrack t = tracks->begin(); t != tracks->end(); ++t) {
if (((*t)->type() != Track::MIDI)
|| !(parts_all->isChecked() || (*t)->selected()))
continue;
PartList *pl = (*t)->parts();
for (iPart p = pl->begin(); p != pl->end(); ++p) {
Part *mp = p->second;
EventList* el = mp->events();
for (iEvent i = el->begin(); i != el->end(); ++i) {
Event oe = i->second;
int tick = oe.tick();
if (tick > right)
break;
if (tick < left)
continue;
Event ne = oe.clone();
ne.setA(oe.dataA() + dv );
audio->msgChangeEvent(oe, ne, mp, false);
}
}
}
song->endUndo(SC_EVENT_MODIFIED);
close();
}
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