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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 "gatetime.h"
#include "song.h"
#include "tb1.h"
//---------------------------------------------------------
// GateTime
//---------------------------------------------------------
GateTime::GateTime(QWidget*)
: MidiCmdDialog()
{
setWindowTitle(tr("MusE: Modify Gate Time"));
QWidget* gateTime = new QWidget;
gt.setupUi(gateTime);
layout->addWidget(gateTime);
layout->addStretch(10);
_rateVal = 0;
_offsetVal = 0;
gt.rate->setValue(_rateVal);
gt.offset->setValue(_offsetVal);
}
//---------------------------------------------------------
// accept
//---------------------------------------------------------
void GateTime::accept()
{
_rateVal = gt.rate->value();
_offsetVal = gt.offset->value();
MidiCmdDialog::accept();
}
//---------------------------------------------------------
// MidifyGateTime
//---------------------------------------------------------
ModifyGateTimeCmd::ModifyGateTimeCmd(MidiEditor* e)
: MidiCmd(e)
{
dialog = 0;
}
//---------------------------------------------------------
// guiDialog
//---------------------------------------------------------
MidiCmdDialog* ModifyGateTimeCmd::guiDialog()
{
if (dialog == 0)
dialog = new GateTime(0);
return dialog;
}
//---------------------------------------------------------
// process
//---------------------------------------------------------
void ModifyGateTimeCmd::process(CItemList* items)
{
int rate = dialog->rateVal();
int offset = dialog->offsetVal();
for (iCItem k = items->begin(); k != items->end(); ++k) {
CItem* item = k->second;
Event event = item->event;
if (event.type() != Note)
continue;
if (itemInRange(item)) {
unsigned len = event.lenTick();
len = rate ? (len * 100) / rate : 1;
len += offset;
if (len <= 1)
len = 1;
if (event.lenTick() != len) {
Event newEvent = event.clone();
newEvent.setLenTick(len);
changeEvent(event, newEvent, item->part);
}
}
}
}
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