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//=========================================================
// MusE
// Linux Music Editor
// $Id: siglabel.cpp,v 1.1.1.1 2003/10/29 10:06:21 wschweer Exp $
// (C) Copyright 1999 Werner Schweer (ws@seh.de)
//=========================================================
#include "siglabel.h"
#include <stdio.h>
#define TIMER1 400
#define TIMER2 200
#define TIMEC 7
#define TIMER3 100
#define TIMEC2 20
#define TIMER4 50
#include "globals.h"
//---------------------------------------------------------
// SigLabel
// edit Signature Values (4/4)
//---------------------------------------------------------
SigLabel::SigLabel(int a, int b, QWidget* parent) : QLabel(parent)
{
z = n = 0;
setFocusPolicy(NoFocus);
setAlignment(AlignCenter);
setValue(a, b);
}
//---------------------------------------------------------
// mousePressEvent
//---------------------------------------------------------
void SigLabel::mousePressEvent(QMouseEvent* event)
{
int button = event->button();
bool zaehler = event->x() < width() /2;
int zz = z, nn = n;
switch (button) {
case QMouseEvent::LeftButton:
return;
case QMouseEvent::MidButton:
incValue(zaehler, false, zz, nn);
break;
case QMouseEvent::RightButton:
incValue(zaehler, true, zz, nn);
break;
default:
break;
}
if ((zz != z) || (nn != n)) {
setValue(zz, nn);
emit valueChanged(zz, nn);
}
}
//---------------------------------------------------------
// incValue
//---------------------------------------------------------
void SigLabel::incValue(bool zaehler, bool up, int& zz, int& nn)
{
if (!up) {
if (zaehler) {
--zz;
if (zz < 1)
zz = 1;
}
else {
switch (nn) {
case 1: break;
case 2: nn = 1; break;
case 4: nn = 2; break;
case 8: nn = 4; break;
case 16: nn = 8; break;
case 32: nn = 16; break;
case 64: nn = 32; break;
case 128: nn = 64; break;
}
}
}
else {
if (zaehler) {
++zz;
if (zz > 16)
zz = 16;
}
else {
switch (nn) {
case 1: nn = 2; break;
case 2: nn = 4; break;
case 4: nn = 8; break;
case 8: nn = 16; break;
case 16: nn = 32; break;
case 32: nn = 64; break;
case 64: nn = 128; break;
case 128: break;
}
}
}
}
//---------------------------------------------------------
// wheelEvent
//---------------------------------------------------------
void SigLabel::wheelEvent(QWheelEvent* event)
{
bool zaehler = event->x() < width() /2;
int delta = event->delta();
int zz = z, nn = n;
bool inc = delta >= 0;
incValue(zaehler, inc, zz, nn);
if ((zz != z) || (nn != n)) {
setValue(zz, nn);
emit valueChanged(zz, nn);
}
}
//---------------------------------------------------------
// setValue
//---------------------------------------------------------
void SigLabel::setValue(int a, int b)
{
if (a == z && b == n)
return;
z = a;
n = b;
QString sa;
sa.setNum(a);
QString sb;
sb.setNum(b);
QString s = sa + QString("/") + sb;
setText(s);
}
//---------------------------------------------------------
// setFrame
//---------------------------------------------------------
void SigLabel::setFrame(bool flag)
{
setFrameStyle(flag ? Panel | Sunken : NoFrame);
setLineWidth(2);
}
|
