1 files changed, 159 insertions, 0 deletions

diff --git a/noncore/multimedia/tonleiter/fretboard.cpp b/noncore/multimedia/tonleiter/fretboard.cpp
new file mode 100644
index 0000000..d8e48d3
--- a/dev/null
+++ b/noncore/multimedia/tonleiter/fretboard.cpp
@@ -0,0 +1,159 @@
+#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));
+                }
+
+            }
+        }
+    }
+}
+//****************************************************************************
+//****************************************************************************