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//=========================================================
// MusE
// Linux Music Editor
// $Id: tscale.cpp,v 1.1.1.1 2003/10/29 10:06:13 wschweer Exp $
// (C) Copyright 1999 Werner Schweer (ws@seh.de)
//=========================================================
#include <stdio.h>
#include "tscale.h"
#include "globals.h"
//---------------------------------------------------------
// TScale
//---------------------------------------------------------
TScale::TScale(QWidget* parent, int ymag)
: View(parent, 1, ymag)
{
setFont(font3);
int w = 4 * QFontMetrics(font4).width('0');
setFixedWidth(w);
setMouseTracking(true);
}
//---------------------------------------------------------
// draw
//---------------------------------------------------------
void TScale::pdraw(QPainter& p, const QRect& r)
{
int y = r.y();
int h = r.height();
p.setFont(font4);
QString s;
for (int i = 30000; i <= 250000; i += 10000) {
int yy = mapy(280000 - i);
if (yy < y)
break;
if (yy-15 > y+h)
continue;
p.drawLine(0, yy, width(), yy);
s.setNum(i/1000);
QFontMetrics fm(font4);
p.drawText(width() - fm.width(s) - 1, yy-2, s);
}
}
void TScale::viewMouseMoveEvent(QMouseEvent* event)
{
emit tempoChanged(280000 - event->y());
}
void TScale::leaveEvent(QEvent*)
{
emit tempoChanged(-1);
}
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