Projektarbeit_Lichtklavier/MidiProbe.cpp

#include "MidiProbe.h"
#include <QErrorMessage>
#include <string>

MidiProbe::MidiProbe()
{
    midiin = new RtMidiIn();
    portCount = midiin->getPortCount();
}

unsigned int MidiProbe::getPort()
{
    QString selectedPort = "";
    unsigned int i=0;
    if(portCount==0)
    {
        QErrorMessage * message = new QErrorMessage();
        message->setWindowTitle("Fehler!");
        message->setWindowFlags(message->windowFlags()^Qt::WindowContextHelpButtonHint);
        message->setModal(true);
        message->showMessage("Keine MIDI-Geräte erkannt!");
    }
    else if(portCount == 1)     //automatically select port 0 if it is the only one
    {
        return(0);
    }
    else if(portCount == 2)     // let user select port
    {
        for(i=0; i<portCount; i++)
            midiDevices.push_back(QString::fromStdString(midiin->getPortName(i)));

        QInputDialog * dialog = new QInputDialog();
        dialog->setWindowFlags(dialog->windowFlags()^Qt::WindowContextHelpButtonHint);
        dialog->setModal(true);

        selectedPort = dialog->getItem(nullptr, "Bitte ein Midi-Gerät auswählen:", "Midi-Geräte:", midiDevices, 0, true);
        for(i=0; i<portCount; i++)
            if(selectedPort==midiDevices.at(i)) return i;


    }
    return 100;
}