+public class MidiListener extends AbstractScrollItem {
+
+ public static final int MIDI = 0;
+ public static final int KEYS = 1;
+ public static final int APC = 2;
+
+ private boolean enabled = false;
+ private final String name;
+
+ MidiListener(MidiInputDevice d) {
+ mode = MIDI;
+ d.createInput(this);
+ name = d.getName();
+ }
+
+ class NoteMeta {
+ int channel;
+ int number;
+ NoteMeta(int channel, int number) {
+ this.channel = channel;
+ this.number = number;
+ }
+ }
+
+ final Map<Character, NoteMeta> keyToNote = new HashMap<Character, NoteMeta>();
+
+ private final int mode;
+ private int octaveShift = 0;
+
+ MidiListener(int mode) {
+ this.mode = mode;
+ switch (mode) {
+ case APC:
+ name = "QWERTY (APC Mode)";
+ mapAPC();
+ break;
+ default:
+ case KEYS:
+ name = "QWERTY (Key Mode)";
+ mapKeys();
+ break;
+ }
+ }
+
+ private void mapAPC() {
+ mapNote('1', 0, 53);
+ mapNote('2', 1, 53);
+ mapNote('3', 2, 53);
+ mapNote('4', 3, 53);
+ mapNote('5', 4, 53);
+ mapNote('6', 5, 53);
+ mapNote('q', 0, 54);
+ mapNote('w', 1, 54);
+ mapNote('e', 2, 54);
+ mapNote('r', 3, 54);
+ mapNote('t', 4, 54);
+ mapNote('y', 5, 54);
+ mapNote('a', 0, 55);
+ mapNote('s', 1, 55);
+ mapNote('d', 2, 55);
+ mapNote('f', 3, 55);
+ mapNote('g', 4, 55);
+ mapNote('h', 5, 55);
+ mapNote('z', 0, 56);
+ mapNote('x', 1, 56);
+ mapNote('c', 2, 56);
+ mapNote('v', 3, 56);
+ mapNote('b', 4, 56);
+ mapNote('n', 5, 56);
+ registerKeyEvent(this);
+ }
+
+ private void mapKeys() {
+ int note = 48;
+ mapNote('a', 1, note++);
+ mapNote('w', 1, note++);
+ mapNote('s', 1, note++);
+ mapNote('e', 1, note++);
+ mapNote('d', 1, note++);
+ mapNote('f', 1, note++);
+ mapNote('t', 1, note++);
+ mapNote('g', 1, note++);
+ mapNote('y', 1, note++);
+ mapNote('h', 1, note++);
+ mapNote('u', 1, note++);
+ mapNote('j', 1, note++);
+ mapNote('k', 1, note++);
+ mapNote('o', 1, note++);
+ mapNote('l', 1, note++);
+ registerKeyEvent(this);
+ }
+
+ void mapNote(char ch, int channel, int number) {
+ keyToNote.put(ch, new NoteMeta(channel, number));
+ }
+
+ public String getLabel() {
+ return name;
+ }
+
+ public void keyEvent(KeyEvent e) {
+ if (!enabled) {
+ return;
+ }
+ char c = Character.toLowerCase(e.getKeyChar());
+ NoteMeta nm = keyToNote.get(c);
+ if (nm != null) {
+ switch (e.getID()) {
+ case KeyEvent.KEY_PRESSED:
+ noteOnReceived(new Note(Note.NOTE_ON, nm.channel, nm.number + octaveShift*12, 127));
+ break;
+ case KeyEvent.KEY_RELEASED:
+ noteOffReceived(new Note(Note.NOTE_OFF, nm.channel, nm.number + octaveShift*12, 0));
+ break;
+ }
+ }
+ if ((mode == KEYS) && (e.getID() == KeyEvent.KEY_PRESSED)) {
+ switch (c) {
+ case 'z':
+ octaveShift = constrain(octaveShift-1, -4, 4);
+ break;
+ case 'x':
+ octaveShift = constrain(octaveShift+1, -4, 4);
+ break;
+ }
+ }
+ }
+
+ public boolean isEnabled() {
+ return enabled;
+ }
+
+ public boolean isSelected() {
+ return enabled;
+ }
+
+ public void onMousePressed() {
+ setEnabled(!enabled);
+ }
+
+ public MidiListener setEnabled(boolean enabled) {
+ if (enabled != this.enabled) {
+ this.enabled = enabled;
+ uiMidi.redraw();
+ }
+ return this;
+ }
+
+ private SCPattern getFocusedPattern() {
+ return (SCPattern) uiMidi.getFocusedDeck().getActivePattern();
+ }
+
+ void programChangeReceived(ProgramChange pc) {
+ if (!enabled) {
+ return;
+ }
+ if (uiMidi.logMidi()) {
+ println(getLabel() + " :: Program Change :: " + pc.getNumber());
+ }
+ }
+
+ void controllerChangeReceived(rwmidi.Controller cc) {
+ if (!enabled) {
+ return;
+ }
+ if (uiMidi.logMidi()) {
+ println(getLabel() + " :: Controller :: " + cc.getCC() + ":" + cc.getValue());
+ }
+ getFocusedPattern().controllerChangeReceived(cc);