Projektarbeit_Lichtklavier/CircleOfFifths.cpp

#include "CircleOfFifths.h"
#include "MainWindow.h"
#include <QColorDialog>

CircleOfFifths::CircleOfFifths(qreal x, qreal y, qreal w, qreal h, MainWindow * parent): QGraphicsScene(x,y,w,h){
    addItem(circleElements[0] = new CircleElement(parent->colorScale.getToneByName("C")));
    addItem(circleElements[1] = new CircleElement(parent->colorScale.getToneByName("G")));
    addItem(circleElements[2] = new CircleElement(parent->colorScale.getToneByName("D")));
    addItem(circleElements[3] = new CircleElement(parent->colorScale.getToneByName("A")));
    addItem(circleElements[4] = new CircleElement(parent->colorScale.getToneByName("E")));
    addItem(circleElements[5] = new CircleElement(parent->colorScale.getToneByName("H")));
    addItem(circleElements[6] = new CircleElement(parent->colorScale.getToneByName("Fis")));
    addItem(circleElements[7] = new CircleElement(parent->colorScale.getToneByName("Cis")));
    addItem(circleElements[8] = new CircleElement(parent->colorScale.getToneByName("Gis")));
    addItem(circleElements[9] = new CircleElement(parent->colorScale.getToneByName("Dis")));
    addItem(circleElements[10] = new CircleElement(parent->colorScale.getToneByName("Ais")));
    addItem(circleElements[11] = new CircleElement(parent->colorScale.getToneByName("F")));

    for(int i=0; i<12; i++)
        QObject::connect(circleElements[i]->getTone(), &Tone::colorchanged, circleElements[i], &CircleElement::redraw);
};

void CircleOfFifths::mousePressEvent(QGraphicsSceneMouseEvent *event){
    if(event->button() == Qt::LeftButton){
        for(int i=0; i<12; i++){
            if(circleElements[i]->sceneBoundingRect().contains(event->scenePos())){
                circleElements[i]->getTone()->setColor(QColorDialog::getColor(circleElements[i]->getTone()->getColor()));
            }
    }}
};

CircleElement * CircleOfFifths::getCircleElement(int number)const{
    return circleElements[number];
};