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//=========================================================
// MusE
// Linux Music Editor
// $Id: poslabel.cpp,v 1.1.1.1 2003/10/29 10:06:23 wschweer Exp $
// (C) Copyright 2001 Werner Schweer (ws@seh.de)
//=========================================================
#include <cmath>
#include <qapplication.h>
#include <qstyle.h>
#include "poslabel.h"
#include "sig.h"
#include "tempo.h"
#include "globals.h"
extern int mtcType;
//---------------------------------------------------------
// PosLabel
//---------------------------------------------------------
PosLabel::PosLabel(QWidget* parent, const char* name)
: QLabel(parent, name)
{
_tickValue = 0;
_sampleValue = 0;
_smpte = false;
setFrameStyle(WinPanel | Sunken);
setLineWidth(2);
setMidLineWidth(3);
int fw = style().pixelMetric(QStyle::PM_DefaultFrameWidth, this);
setIndent(fw);
updateValue();
}
//---------------------------------------------------------
// sizeHint
//---------------------------------------------------------
QSize PosLabel::sizeHint() const
{
QFontMetrics fm(font());
int fw = style().pixelMetric(QStyle::PM_DefaultFrameWidth, this);
int h = fm.height() + fw * 2;
int w;
if (_smpte)
w = 2 + fm.width('9') * 9 + fm.width(':') * 3 + fw * 4;
else
w = 2 + fm.width('9') * 9 + fm.width('.') * 2 + fw * 4;
return QSize(w, h).expandedTo(QApplication::globalStrut());
}
//---------------------------------------------------------
// updateValue
//---------------------------------------------------------
void PosLabel::updateValue()
{
QString s;
if (_smpte) {
double time = double(_sampleValue) / double(sampleRate);
int min = int(time) / 60;
int sec = int(time) % 60;
double rest = time - (min * 60 + sec);
switch(mtcType) {
case 0: // 24 frames sec
rest *= 24;
break;
case 1: // 25
rest *= 25;
break;
case 2: // 30 drop frame
rest *= 30;
break;
case 3: // 30 non drop frame
rest *= 30;
break;
}
int frame = int(rest);
int subframe = int((rest-frame)*100);
s.sprintf("%03d:%02d:%02d:%02d", min, sec, frame, subframe);
}
else {
int bar, beat, tick;
sigmap.tickValues(_tickValue, &bar, &beat, &tick);
s.sprintf("%04d.%02d.%03d", bar+1, beat+1, tick);
}
setText(s);
}
//---------------------------------------------------------
// setSampleValue
//---------------------------------------------------------
void PosLabel::setSampleValue(int val)
{
if (val == _sampleValue)
return;
_sampleValue = val;
updateValue();
}
//---------------------------------------------------------
// setTickValue
//---------------------------------------------------------
void PosLabel::setTickValue(int val)
{
if (val == _tickValue)
return;
_tickValue = val;
updateValue();
}
//---------------------------------------------------------
// setValue
//---------------------------------------------------------
void PosLabel::setValue(int val)
{
int oval = _smpte ? _sampleValue : _tickValue;
if (val == oval)
return;
if (_smpte)
_sampleValue = val;
else
_tickValue = val;
updateValue();
}
//---------------------------------------------------------
// setSmpte
//---------------------------------------------------------
void PosLabel::setSmpte(bool val)
{
_smpte = val;
if (val)
_sampleValue = lrint(tempomap.tick2time(_tickValue) * sampleRate);
else
_tickValue = tempomap.time2tick(double(_sampleValue) / double(sampleRate));
updateValue();
}
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