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#include "fretboard.h"
#include <qpainter.h>
FretBoard::FretBoard(TonleiterData* data,QWidget* parent,const char* name,WFlags f)
:QWidget(parent,name,f),data(data)
{
setBackgroundColor(QColor(0,0,0));
fretpen=QPen(QColor(155,155,155),0);
markerbrush=QBrush(QColor(155,155,155));
stringpen=QPen(QColor(255,255,255),3);
connect(data,SIGNAL(dataChange()),this,SLOT(dataChange()));
}
//****************************************************************************
FretBoard::~FretBoard()
{
}
//****************************************************************************
void FretBoard::dataChange()
{
repaint(true);
}
//****************************************************************************
void FretBoard::paintEvent(QPaintEvent* pe)
{
Q_UNUSED(pe);
int instid=data->getCurrentInstrumentID();
inst=data->getInstrument(instid);
//qDebug("inst %d is %s",instid,inst.instName().data());
QRect mysize=rect();
xmargin=(int)(mysize.width()*0.05);
xmin=2*xmargin;
xmax=mysize.width()-xmargin;
xwidth=xmax-xmin;
ymargin=(int)(mysize.height()*0.1);
ymin=ymargin;
ymax=mysize.height()-2*ymargin;
yheight=ymax-ymin;
QPainter p(this);
paintBoard(&p);
paintFrets(&p);
paintStrings(&p);
paintScale(&p);
}
//****************************************************************************
void FretBoard::resizeEvent(QResizeEvent* re)
{
Q_UNUSED(re);
}
//****************************************************************************
void FretBoard::paintBoard(QPainter* p)
{
//debug
QColor bgc=QColor(142,138,120);
p->setPen(QPen(bgc,5));
p->setBrush(QBrush(bgc));
p->drawRect(xmin,ymin,xwidth,yheight);
}
//****************************************************************************
void FretBoard::paintFrets(QPainter* p)
{
//draw frets
p->setPen(fretpen);
p->setBrush(markerbrush);
fretdist=(double)(xwidth)/(double)(inst.noOfFrets());
int markerwidth = (int)(fretdist/4.0);
if(markerwidth>5)
markerwidth=5;
else if(markerwidth<2)
markerwidth=2;
for(int f=0;f<=inst.noOfFrets();f++)
{
int fretpos=(int)(fretdist*f);
p->drawLine(fretpos+xmin,ymin,fretpos+xmin,ymax);
int above_octave=f%12;
int octave=(f-above_octave)/12;
int marker=f-12*octave;
if(marker==5 || marker==7 || marker==9)
{
p->drawEllipse(fretpos+xmin,ymax+ymargin,markerwidth,markerwidth);
}
else if(marker==0 && f!=0)
{
p->drawEllipse(fretpos+xmin,ymax+ymargin+2*markerwidth,markerwidth,markerwidth);
p->drawEllipse(fretpos+xmin,ymax+ymargin-2*markerwidth,markerwidth,markerwidth);
}
}
}
//****************************************************************************
void FretBoard::paintStrings(QPainter* p)
{
//draw strings
p->setPen(stringpen);
stringdist=(double)(yheight)/(double)(inst.noOfStrings()-1);
for(int s=0;s<inst.noOfStrings();s++)
{
int stringpos=(int)(stringdist*s);
p->drawLine(xmin,stringpos+ymin,xmax,stringpos+ymin);
int stinglabelid=inst.noOfStrings()-(s+1);
QString label=Note::getNameOfNote(inst.string(stinglabelid));
p->drawText(xmargin/2,stringpos+ymin,label);
}
}
//****************************************************************************
void FretBoard::paintScale(QPainter* p)
{
int dotsize=10;
int scaleid=data->getCurrentScaleID();
Scale scale=data->getScale(scaleid);
int colorstart=255%inst.noOfOctaves();
int colorintervall=(255-colorstart)/inst.noOfOctaves();
for(int s=0;s<inst.noOfStrings();s++)
{
int y=(int)(stringdist*s)+ymin;
int stingid=inst.noOfStrings()-(s+1);
for(int f=0;f<=inst.noOfFrets();f++)
{
int note=inst.string(stingid)+f;
if(scale.noteInScale(data->getCurrentBaseNote(),note))
{
int x=(int)(fretdist*f)+xmin;
int octave=Note::octaveOfBaseNote(data->getCurrentBaseNote(),note);
if(octave>5) octave=5;
p->setPen(QColor(255,0,0));
int c=colorstart+octave*colorintervall;
QColor dotcolor(c,c,255);
p->setBrush(dotcolor);
p->drawEllipse(x-dotsize/2,y-dotsize/2,dotsize,dotsize);
if(data->isDrawNames())
{
p->setPen(QColor(0,255,0));
p->drawText(x-dotsize/2,y-dotsize/2,Note::getNameOfNote(note));
}
}
}
}
}
//****************************************************************************
//****************************************************************************
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