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//=========================================================
// MusE
// Linux Music Editor
// $Id: sigscale.cpp,v 1.6 2004/04/11 13:03:32 wschweer Exp $
// (C) Copyright 1999 Werner Schweer (ws@seh.de)
//=========================================================
#include <values.h>
#include <qpainter.h>
#include <qtooltip.h>
//Added by qt3to4:
#include <QEvent>
#include <QMouseEvent>
#include "al/sig.h" // Tim.
#include "globals.h"
#include "midieditor.h"
#include "sigscale.h"
#include "song.h"
#include "gconfig.h"
//---------------------------------------------------------
// SigScale
//---------------------------------------------------------
SigScale::SigScale(int* r, QWidget* parent, int xs)
: View(parent, xs, 1)
{
QToolTip::add(this, tr("signature scale"));
raster = r;
pos[0] = song->cpos();
pos[1] = song->lpos();
pos[2] = song->rpos();
button = Qt::NoButton;
setMouseTracking(true);
connect(song, SIGNAL(posChanged(int, unsigned, bool)), this, SLOT(setPos(int, unsigned, bool)));
setFixedHeight(18);
}
//---------------------------------------------------------
// setPos
//---------------------------------------------------------
void SigScale::setPos(int idx, unsigned val, bool)
{
if (val == pos[idx])
return;
unsigned opos = mapx(pos[idx]);
pos[idx] = val;
if (!isVisible())
return;
val = mapx(val);
int x = -9;
int w = 18;
if (opos > val) {
w += opos - val;
x += val;
}
else {
w += val - opos;
x += opos;
}
redraw(QRect(x, 0, w, height()));
}
void SigScale::viewMousePressEvent(QMouseEvent* event)
{
button = event->button();
viewMouseMoveEvent(event);
}
void SigScale::viewMouseReleaseEvent(QMouseEvent*)
{
button = Qt::NoButton;
}
void SigScale::viewMouseMoveEvent(QMouseEvent* event)
{
int x = AL::sigmap.raster(event->x(), *raster);
emit timeChanged(x);
int i;
switch (button) {
case Qt::LeftButton:
i = 0;
break;
case Qt::MidButton:
i = 1;
break;
case Qt::RightButton:
i = 2;
break;
default:
return;
}
Pos p(x, true);
song->setPos(i, p);
}
//---------------------------------------------------------
// leaveEvent
//---------------------------------------------------------
void SigScale::leaveEvent(QEvent*)
{
// emit timeChanged(MAXINT);
}
//---------------------------------------------------------
// draw
//---------------------------------------------------------
void SigScale::pdraw(QPainter& p, const QRect& r)
{
int x = r.x();
int w = r.width();
int h = height();
if (x < 0)
x = 0;
p.setFont(config.fonts[3]);
///for (ciSigEvent si = sigmap.begin(); si != sigmap.end(); ++si) {
for (AL::ciSigEvent si = AL::sigmap.begin(); si != AL::sigmap.end(); ++si) {
///SigEvent* e = si->second;
AL::SigEvent* e = si->second;
int xp = mapx(e->tick);
if (xp > x+w)
break;
if (xp+40 < x)
continue;
p.drawLine(xp, 0, xp, h/2);
p.drawLine(xp, h/2, xp+5, h/2);
QString s;
s.sprintf("%d/%d", e->sig.z, e->sig.n);
p.drawText(xp+8, h-6, s);
}
//---------------------------------------------------
// draw location marker
//---------------------------------------------------
p.setPen(Qt::red);
int xp = mapx(pos[0]);
if (xp >= x && xp < x+w)
p.drawLine(xp, 0, xp, h);
p.setPen(Qt::blue);
xp = mapx(pos[1]);
if (xp >= x && xp < x+w)
p.drawLine(xp, 0, xp, h);
xp = mapx(pos[2]);
if (xp >= x && xp < x+w)
p.drawLine(xp, 0, xp, h);
}
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