/*
Example usage of MidiController() by Mr Goil
*/


kbd = new KeyboardController();
register_controller(kbd);
kbd.released_q = function() { quit(); }

// put something on the stage
i = new ImageLayer(100,100);
i.open("scripts/1steps063.jpg");
add_layer(i);

x = 0;
y = 0;

mc = new MidiController();
register_controller(mc);

// use 'aconnect -li' or aconnectgui to determine port values
ret = mc.connect_from(0, 20, 0);
echo("connect: " + ret);
ret = mc.connect_from(0, 20, 0);     // just test:
echo("connect: " + ret);             // -16 device busy
ret = mc.connect_from(0, 123, 456);  // illegal
echo("connect: " + ret);             // -22 Invalid argument

// assign callbacks
mc.event_ctrl = function (ch, func, value) {
    midi_event("event_ctrl", ch, func, value);
}

mc.event_pitch = function (ch, func, value) {
    midi_event("event_pitch", ch, func, value);
}

mc.event_noteon = function (ch, func, value) {
    midi_event("event_noteon", ch, func, value);
}

mc.event_noteoff = function (ch, func, value) {
    midi_event("event_noteoff", ch, func, value);
}

mc.event_pgmchange = function (ch, func, value) {
    midi_event("event_pgm", ch, func, value);
}

function midi_event(what, ch, func, value) {
    echo("midi js " + what +  " called " + ch + ", " + func + ", " + value); 
    if ( func % 2 )
        x = value;
    else
        y = value;
    i.set_position(x,y);
}


/*
[chris@hirnlego ~/Software/FREEJ/brain]$ aconnect -li
client 0: 'System' [type=Kernel]
    0 'Timer           '
    1 'Announce        '
        Verbinde mit: 15:0, 130:0, 131:0
client 14: 'Midi Through' [type=Kernel]
    0 'Midi Through Port-0'
client 20: 'UC-33 USB MIDI Controller' [type=Kernel]
    0 'UC-33 USB MIDI Controller MIDI '
    1 'UC-33 USB MIDI Controller MIDI '

[chris@hirnlego ~/Software/FREEJ/brain]$ aconnect -lo
client 14: 'Midi Through' [type=Kernel]
    0 'Midi Through Port-0'
client 20: 'UC-33 USB MIDI Controller' [type=Kernel]
    0 'UC-33 USB MIDI Controller MIDI '
client 128: 'freej MidiController' [type=Benutzer]
    0 'MIDI IN         '
    1 'MIDI IN 2       '
client 129: 'freej MidiController' [type=Benutzer]
    0 'MIDI IN         '
    1 'MIDI IN 2       '
*/