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#include "pianoscale.h"
#include <qpainter.h>
Menu::PianoScale::PianoScale(QWidget* parent,const char* name,WFlags f)
:QWidget(parent,name,f)
{
QColor black(0,0,0);
QColor white(255,255,255);
QColor mark(255,0,0);
blackBrush=QBrush(black);
whiteBrush=QBrush(white);
markBrush=QBrush(mark);
blackPen=QPen(black);
whitePen=QPen(white);
setBackgroundColor(QColor(0,0,255));
}
//****************************************************************************
Menu::PianoScale::~ PianoScale()
{
}
//****************************************************************************
void Menu::PianoScale::paintEvent(QPaintEvent* pe)
{
QPainter p(this);
QRect mysize=rect();
int pad=10;
int x0=pad;
int y0=pad;
int w0=mysize.width()-2*pad;
int h0=mysize.height()-2*pad;
int keypad=2;
if(mysize.width()>mysize.height())
{
int div=(int)(w0/14.0);
int halftonewidth=(int)(div/3.0);
int halftoneheight=(int)((h0-2*keypad)*0.66);
for(int a=0;a<14;a++)
{
int x=x0+a*div;
p.setPen(blackPen);
p.setBrush(blackBrush);
p.drawRect(x,y0,div,h0);
p.setPen(whitePen);
p.setBrush(whiteBrush);
p.drawRect(x+keypad,y0+keypad,div-2*keypad,h0-2*keypad);
if(a==1 || a==2 || a==4 || a==5 || a==6 || a==8 || a==9 || a==11 || a==12 || a==13)
{
p.setPen(blackPen);
p.setBrush(blackBrush);
p.drawRect(x-halftonewidth,y0+keypad,2*halftonewidth,halftoneheight);
}
}
}
else
{
int div=(int)(w0/7.0);
int halfheight=(int)(h0/2.0);
int halftonewidth=(int)(div/3.0);
int halftoneheight=(int)((halfheight-2*keypad)*0.66);
for(int a=0;a<7;a++)
{
int x=x0+a*div;
p.setPen(blackPen);
p.setBrush(blackBrush);
p.drawRect(x,y0,div,h0);
p.setPen(whitePen);
p.setBrush(whiteBrush);
p.drawRect(x+keypad,y0+keypad,div-2*keypad,halfheight-2*keypad);
p.drawRect(x+keypad,y0+keypad+halfheight,div-2*keypad,halfheight-2*keypad);
if(a==1 || a==2 || a==4 || a==5 || a==6)
{
p.setPen(blackPen);
p.setBrush(blackBrush);
p.drawRect(x-halftonewidth,y0+keypad,2*halftonewidth,halftoneheight);
p.drawRect(x-halftonewidth,y0+keypad+halfheight,2*halftonewidth,halftoneheight);
}
}
}
}
//****************************************************************************
void Menu::PianoScale::mousePressEvent(QMouseEvent* me)
{
}
//****************************************************************************
//****************************************************************************
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